diff options
| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 22:20:36 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 22:20:36 (GMT) |
| commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
| tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/char/drm | |
| download | linux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz | |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'drivers/char/drm')
86 files changed, 47878 insertions, 0 deletions
diff --git a/drivers/char/drm/Kconfig b/drivers/char/drm/Kconfig new file mode 100644 index 0000000..d9a0299 --- /dev/null +++ b/drivers/char/drm/Kconfig @@ -0,0 +1,98 @@ +# +# Drm device configuration +# +# This driver provides support for the +# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. +# +config DRM + tristate "Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)" + depends on AGP || AGP=n + help + Kernel-level support for the Direct Rendering Infrastructure (DRI) + introduced in XFree86 4.0. If you say Y here, you need to select + the module that's right for your graphics card from the list below. + These modules provide support for synchronization, security, and + DMA transfers. Please see <http://dri.sourceforge.net/> for more + details. You should also select and configure AGP + (/dev/agpgart) support. + +config DRM_TDFX + tristate "3dfx Banshee/Voodoo3+" + depends on DRM && PCI + help + Choose this option if you have a 3dfx Banshee or Voodoo3 (or later), + graphics card. If M is selected, the module will be called tdfx. + +config DRM_GAMMA + tristate "3dlabs GMX 2000" + depends on DRM && BROKEN + help + This is the old gamma driver, please tell me if it might actually + work. + +config DRM_R128 + tristate "ATI Rage 128" + depends on DRM && PCI + help + Choose this option if you have an ATI Rage 128 graphics card. If M + is selected, the module will be called r128. AGP support for + this card is strongly suggested (unless you have a PCI version). + +config DRM_RADEON + tristate "ATI Radeon" + depends on DRM && PCI + help + Choose this option if you have an ATI Radeon graphics card. There + are both PCI and AGP versions. You don't need to choose this to + run the Radeon in plain VGA mode. There is a product page at + <http://www.ati.com/na/pages/products/pc/radeon32/index.html>. + If M is selected, the module will be called radeon. + +config DRM_I810 + tristate "Intel I810" + depends on DRM && AGP && AGP_INTEL + help + Choose this option if you have an Intel I810 graphics card. If M is + selected, the module will be called i810. AGP support is required + for this driver to work. + +choice + prompt "Intel 830M, 845G, 852GM, 855GM, 865G" + depends on DRM && AGP && AGP_INTEL + optional + +config DRM_I830 + tristate "i830 driver" + help + Choose this option if you have a system that has Intel 830M, 845G, + 852GM, 855GM or 865G integrated graphics. If M is selected, the + module will be called i830. AGP support is required for this driver + to work. This driver will eventually be replaced by the i915 one. + +config DRM_I915 + tristate "i915 driver" + help + Choose this option if you have a system that has Intel 830M, 845G, + 852GM, 855GM 865G or 915G integrated graphics. If M is selected, the + module will be called i915. AGP support is required for this driver + to work. This driver will eventually replace the I830 driver, when + later release of X start to use the new DDX and DRI. + +endchoice + +config DRM_MGA + tristate "Matrox g200/g400" + depends on DRM && AGP + help + Choose this option if you have a Matrox G200, G400 or G450 graphics + card. If M is selected, the module will be called mga. AGP + support is required for this driver to work. + +config DRM_SIS + tristate "SiS video cards" + depends on DRM && AGP + help + Choose this option if you have a SiS 630 or compatible video + chipset. If M is selected the module will be called sis. AGP + support is required for this driver to work. + diff --git a/drivers/char/drm/Makefile b/drivers/char/drm/Makefile new file mode 100644 index 0000000..23ab263 --- /dev/null +++ b/drivers/char/drm/Makefile @@ -0,0 +1,33 @@ +# +# Makefile for the drm device driver. This driver provides support for the +# Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. + +drm-objs := drm_auth.o drm_bufs.o drm_context.o drm_dma.o drm_drawable.o \ + drm_drv.o drm_fops.o drm_init.o drm_ioctl.o drm_irq.o \ + drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \ + drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \ + drm_sysfs.o + +gamma-objs := gamma_drv.o gamma_dma.o +tdfx-objs := tdfx_drv.o +r128-objs := r128_drv.o r128_cce.o r128_state.o r128_irq.o +mga-objs := mga_drv.o mga_dma.o mga_state.o mga_warp.o mga_irq.o +i810-objs := i810_drv.o i810_dma.o +i830-objs := i830_drv.o i830_dma.o i830_irq.o +i915-objs := i915_drv.o i915_dma.o i915_irq.o i915_mem.o +radeon-objs := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o radeon_irq.o +ffb-objs := ffb_drv.o ffb_context.o +sis-objs := sis_drv.o sis_ds.o sis_mm.o + +obj-$(CONFIG_DRM) += drm.o +obj-$(CONFIG_DRM_GAMMA) += gamma.o +obj-$(CONFIG_DRM_TDFX) += tdfx.o +obj-$(CONFIG_DRM_R128) += r128.o +obj-$(CONFIG_DRM_RADEON)+= radeon.o +obj-$(CONFIG_DRM_MGA) += mga.o +obj-$(CONFIG_DRM_I810) += i810.o +obj-$(CONFIG_DRM_I830) += i830.o +obj-$(CONFIG_DRM_I915) += i915.o +obj-$(CONFIG_DRM_FFB) += ffb.o +obj-$(CONFIG_DRM_SIS) += sis.o + diff --git a/drivers/char/drm/README.drm b/drivers/char/drm/README.drm new file mode 100644 index 0000000..6441e01 --- /dev/null +++ b/drivers/char/drm/README.drm @@ -0,0 +1,46 @@ +************************************************************ +* For the very latest on DRI development, please see: * +* http://dri.sourceforge.net/ * +************************************************************ + +The Direct Rendering Manager (drm) is a device-independent kernel-level +device driver that provides support for the XFree86 Direct Rendering +Infrastructure (DRI). + +The DRM supports the Direct Rendering Infrastructure (DRI) in four major +ways: + + 1. The DRM provides synchronized access to the graphics hardware via + the use of an optimized two-tiered lock. + + 2. The DRM enforces the DRI security policy for access to the graphics + hardware by only allowing authenticated X11 clients access to + restricted regions of memory. + + 3. The DRM provides a generic DMA engine, complete with multiple + queues and the ability to detect the need for an OpenGL context + switch. + + 4. The DRM is extensible via the use of small device-specific modules + that rely extensively on the API exported by the DRM module. + + +Documentation on the DRI is available from: + http://precisioninsight.com/piinsights.html + +For specific information about kernel-level support, see: + + The Direct Rendering Manager, Kernel Support for the Direct Rendering + Infrastructure + http://precisioninsight.com/dr/drm.html + + Hardware Locking for the Direct Rendering Infrastructure + http://precisioninsight.com/dr/locking.html + + A Security Analysis of the Direct Rendering Infrastructure + http://precisioninsight.com/dr/security.html + +************************************************************ +* For the very latest on DRI development, please see: * +* http://dri.sourceforge.net/ * +************************************************************ diff --git a/drivers/char/drm/ati_pcigart.c b/drivers/char/drm/ati_pcigart.c new file mode 100644 index 0000000..fdca187 --- /dev/null +++ b/drivers/char/drm/ati_pcigart.c @@ -0,0 +1,208 @@ +/** + * \file ati_pcigart.h + * ATI PCI GART support + * + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Wed Dec 13 21:52:19 2000 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +#if PAGE_SIZE == 65536 +# define ATI_PCIGART_TABLE_ORDER 0 +# define ATI_PCIGART_TABLE_PAGES (1 << 0) +#elif PAGE_SIZE == 16384 +# define ATI_PCIGART_TABLE_ORDER 1 +# define ATI_PCIGART_TABLE_PAGES (1 << 1) +#elif PAGE_SIZE == 8192 +# define ATI_PCIGART_TABLE_ORDER 2 +# define ATI_PCIGART_TABLE_PAGES (1 << 2) +#elif PAGE_SIZE == 4096 +# define ATI_PCIGART_TABLE_ORDER 3 +# define ATI_PCIGART_TABLE_PAGES (1 << 3) +#else +# error - PAGE_SIZE not 64K, 16K, 8K or 4K +#endif + +# define ATI_MAX_PCIGART_PAGES 8192 /**< 32 MB aperture, 4K pages */ +# define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */ + +unsigned long drm_ati_alloc_pcigart_table( void ) +{ + unsigned long address; + struct page *page; + int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + address = __get_free_pages( GFP_KERNEL, ATI_PCIGART_TABLE_ORDER ); + if ( address == 0UL ) { + return 0; + } + + page = virt_to_page( address ); + + for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) { + get_page(page); + SetPageReserved( page ); + } + + DRM_DEBUG( "%s: returning 0x%08lx\n", __FUNCTION__, address ); + return address; +} + +static void drm_ati_free_pcigart_table( unsigned long address ) +{ + struct page *page; + int i; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + page = virt_to_page( address ); + + for ( i = 0 ; i < ATI_PCIGART_TABLE_PAGES ; i++, page++ ) { + __put_page(page); + ClearPageReserved( page ); + } + + free_pages( address, ATI_PCIGART_TABLE_ORDER ); +} + +int drm_ati_pcigart_cleanup( drm_device_t *dev, + unsigned long addr, + dma_addr_t bus_addr) +{ + drm_sg_mem_t *entry = dev->sg; + unsigned long pages; + int i; + + /* we need to support large memory configurations */ + if ( !entry ) { + DRM_ERROR( "no scatter/gather memory!\n" ); + return 0; + } + + if ( bus_addr ) { + pci_unmap_single(dev->pdev, bus_addr, + ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, + PCI_DMA_TODEVICE); + + pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) + ? entry->pages : ATI_MAX_PCIGART_PAGES; + + for ( i = 0 ; i < pages ; i++ ) { + if ( !entry->busaddr[i] ) break; + pci_unmap_single(dev->pdev, entry->busaddr[i], + PAGE_SIZE, PCI_DMA_TODEVICE); + } + } + + if ( addr ) { + drm_ati_free_pcigart_table( addr ); + } + + return 1; +} +EXPORT_SYMBOL(drm_ati_pcigart_cleanup); + +int drm_ati_pcigart_init( drm_device_t *dev, + unsigned long *addr, + dma_addr_t *bus_addr) +{ + drm_sg_mem_t *entry = dev->sg; + unsigned long address = 0; + unsigned long pages; + u32 *pci_gart, page_base, bus_address = 0; + int i, j, ret = 0; + + if ( !entry ) { + DRM_ERROR( "no scatter/gather memory!\n" ); + goto done; + } + + address = drm_ati_alloc_pcigart_table(); + if ( !address ) { + DRM_ERROR( "cannot allocate PCI GART page!\n" ); + goto done; + } + + if ( !dev->pdev ) { + DRM_ERROR( "PCI device unknown!\n" ); + goto done; + } + + bus_address = pci_map_single(dev->pdev, (void *)address, + ATI_PCIGART_TABLE_PAGES * PAGE_SIZE, + PCI_DMA_TODEVICE); + if (bus_address == 0) { + DRM_ERROR( "unable to map PCIGART pages!\n" ); + drm_ati_free_pcigart_table( address ); + address = 0; + goto done; + } + + pci_gart = (u32 *)address; + + pages = ( entry->pages <= ATI_MAX_PCIGART_PAGES ) + ? entry->pages : ATI_MAX_PCIGART_PAGES; + + memset( pci_gart, 0, ATI_MAX_PCIGART_PAGES * sizeof(u32) ); + + for ( i = 0 ; i < pages ; i++ ) { + /* we need to support large memory configurations */ + entry->busaddr[i] = pci_map_single(dev->pdev, + page_address( entry->pagelist[i] ), + PAGE_SIZE, + PCI_DMA_TODEVICE); + if (entry->busaddr[i] == 0) { + DRM_ERROR( "unable to map PCIGART pages!\n" ); + drm_ati_pcigart_cleanup( dev, address, bus_address ); + address = 0; + bus_address = 0; + goto done; + } + page_base = (u32) entry->busaddr[i]; + + for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) { + *pci_gart++ = cpu_to_le32( page_base ); + page_base += ATI_PCIGART_PAGE_SIZE; + } + } + + ret = 1; + +#if defined(__i386__) || defined(__x86_64__) + wbinvd(); +#else + mb(); +#endif + +done: + *addr = address; + *bus_addr = bus_address; + return ret; +} +EXPORT_SYMBOL(drm_ati_pcigart_init); diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h new file mode 100644 index 0000000..5873052 --- /dev/null +++ b/drivers/char/drm/drm.h @@ -0,0 +1,675 @@ +/** + * \file drm.h + * Header for the Direct Rendering Manager + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * + * \par Acknowledgments: + * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic \c cmpxchg. + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef _DRM_H_ +#define _DRM_H_ + +#if defined(__linux__) +#include <linux/config.h> +#include <asm/ioctl.h> /* For _IO* macros */ +#define DRM_IOCTL_NR(n) _IOC_NR(n) +#define DRM_IOC_VOID _IOC_NONE +#define DRM_IOC_READ _IOC_READ +#define DRM_IOC_WRITE _IOC_WRITE +#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE +#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) +#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) +#if defined(__FreeBSD__) && defined(IN_MODULE) +/* Prevent name collision when including sys/ioccom.h */ +#undef ioctl +#include <sys/ioccom.h> +#define ioctl(a,b,c) xf86ioctl(a,b,c) +#else +#include <sys/ioccom.h> +#endif /* __FreeBSD__ && xf86ioctl */ +#define DRM_IOCTL_NR(n) ((n) & 0xff) +#define DRM_IOC_VOID IOC_VOID +#define DRM_IOC_READ IOC_OUT +#define DRM_IOC_WRITE IOC_IN +#define DRM_IOC_READWRITE IOC_INOUT +#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size) +#endif + +#define XFREE86_VERSION(major,minor,patch,snap) \ + ((major << 16) | (minor << 8) | patch) + +#ifndef CONFIG_XFREE86_VERSION +#define CONFIG_XFREE86_VERSION XFREE86_VERSION(4,1,0,0) +#endif + +#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0) +#define DRM_PROC_DEVICES "/proc/devices" +#define DRM_PROC_MISC "/proc/misc" +#define DRM_PROC_DRM "/proc/drm" +#define DRM_DEV_DRM "/dev/drm" +#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP) +#define DRM_DEV_UID 0 +#define DRM_DEV_GID 0 +#endif + +#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0) +#define DRM_MAJOR 226 +#define DRM_MAX_MINOR 15 +#endif +#define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */ +#define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */ +#define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */ +#define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */ + +#define _DRM_LOCK_HELD 0x80000000 /**< Hardware lock is held */ +#define _DRM_LOCK_CONT 0x40000000 /**< Hardware lock is contended */ +#define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD) +#define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT) +#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT)) + + +typedef unsigned long drm_handle_t; +typedef unsigned int drm_context_t; +typedef unsigned int drm_drawable_t; +typedef unsigned int drm_magic_t; + + +/** + * Cliprect. + * + * \warning: If you change this structure, make sure you change + * XF86DRIClipRectRec in the server as well + * + * \note KW: Actually it's illegal to change either for + * backwards-compatibility reasons. + */ +typedef struct drm_clip_rect { + unsigned short x1; + unsigned short y1; + unsigned short x2; + unsigned short y2; +} drm_clip_rect_t; + + +/** + * Texture region, + */ +typedef struct drm_tex_region { + unsigned char next; + unsigned char prev; + unsigned char in_use; + unsigned char padding; + unsigned int age; +} drm_tex_region_t; + +/** + * Hardware lock. + * + * The lock structure is a simple cache-line aligned integer. To avoid + * processor bus contention on a multiprocessor system, there should not be any + * other data stored in the same cache line. + */ +typedef struct drm_hw_lock { + __volatile__ unsigned int lock; /**< lock variable */ + char padding[60]; /**< Pad to cache line */ +} drm_hw_lock_t; + + +/** + * DRM_IOCTL_VERSION ioctl argument type. + * + * \sa drmGetVersion(). + */ +typedef struct drm_version { + int version_major; /**< Major version */ + int version_minor; /**< Minor version */ + int version_patchlevel;/**< Patch level */ + size_t name_len; /**< Length of name buffer */ + char __user *name; /**< Name of driver */ + size_t date_len; /**< Length of date buffer */ + char __user *date; /**< User-space buffer to hold date */ + size_t desc_len; /**< Length of desc buffer */ + char __user *desc; /**< User-space buffer to hold desc */ +} drm_version_t; + + +/** + * DRM_IOCTL_GET_UNIQUE ioctl argument type. + * + * \sa drmGetBusid() and drmSetBusId(). + */ +typedef struct drm_unique { + size_t unique_len; /**< Length of unique */ + char __user *unique; /**< Unique name for driver instantiation */ +} drm_unique_t; + + +typedef struct drm_list { + int count; /**< Length of user-space structures */ + drm_version_t __user *version; +} drm_list_t; + + +typedef struct drm_block { + int unused; +} drm_block_t; + + +/** + * DRM_IOCTL_CONTROL ioctl argument type. + * + * \sa drmCtlInstHandler() and drmCtlUninstHandler(). + */ +typedef struct drm_control { + enum { + DRM_ADD_COMMAND, + DRM_RM_COMMAND, + DRM_INST_HANDLER, + DRM_UNINST_HANDLER + } func; + int irq; +} drm_control_t; + + +/** + * Type of memory to map. + */ +typedef enum drm_map_type { + _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */ + _DRM_REGISTERS = 1, /**< no caching, no core dump */ + _DRM_SHM = 2, /**< shared, cached */ + _DRM_AGP = 3, /**< AGP/GART */ + _DRM_SCATTER_GATHER = 4 /**< Scatter/gather memory for PCI DMA */ +} drm_map_type_t; + + +/** + * Memory mapping flags. + */ +typedef enum drm_map_flags { + _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */ + _DRM_READ_ONLY = 0x02, + _DRM_LOCKED = 0x04, /**< shared, cached, locked */ + _DRM_KERNEL = 0x08, /**< kernel requires access */ + _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */ + _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */ + _DRM_REMOVABLE = 0x40 /**< Removable mapping */ +} drm_map_flags_t; + + +typedef struct drm_ctx_priv_map { + unsigned int ctx_id; /**< Context requesting private mapping */ + void *handle; /**< Handle of map */ +} drm_ctx_priv_map_t; + + +/** + * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls + * argument type. + * + * \sa drmAddMap(). + */ +typedef struct drm_map { + unsigned long offset; /**< Requested physical address (0 for SAREA)*/ + unsigned long size; /**< Requested physical size (bytes) */ + drm_map_type_t type; /**< Type of memory to map */ + drm_map_flags_t flags; /**< Flags */ + void *handle; /**< User-space: "Handle" to pass to mmap() */ + /**< Kernel-space: kernel-virtual address */ + int mtrr; /**< MTRR slot used */ + /* Private data */ +} drm_map_t; + + +/** + * DRM_IOCTL_GET_CLIENT ioctl argument type. + */ +typedef struct drm_client { + int idx; /**< Which client desired? */ + int auth; /**< Is client authenticated? */ + unsigned long pid; /**< Process ID */ + unsigned long uid; /**< User ID */ + unsigned long magic; /**< Magic */ + unsigned long iocs; /**< Ioctl count */ +} drm_client_t; + + +typedef enum { + _DRM_STAT_LOCK, + _DRM_STAT_OPENS, + _DRM_STAT_CLOSES, + _DRM_STAT_IOCTLS, + _DRM_STAT_LOCKS, + _DRM_STAT_UNLOCKS, + _DRM_STAT_VALUE, /**< Generic value */ + _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */ + _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */ + + _DRM_STAT_IRQ, /**< IRQ */ + _DRM_STAT_PRIMARY, /**< Primary DMA bytes */ + _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */ + _DRM_STAT_DMA, /**< DMA */ + _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */ + _DRM_STAT_MISSED /**< Missed DMA opportunity */ + + /* Add to the *END* of the list */ +} drm_stat_type_t; + + +/** + * DRM_IOCTL_GET_STATS ioctl argument type. + */ +typedef struct drm_stats { + unsigned long count; + struct { + unsigned long value; + drm_stat_type_t type; + } data[15]; +} drm_stats_t; + + +/** + * Hardware locking flags. + */ +typedef enum drm_lock_flags { + _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */ + _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */ + _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */ + _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */ + /* These *HALT* flags aren't supported yet + -- they will be used to support the + full-screen DGA-like mode. */ + _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */ + _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */ +} drm_lock_flags_t; + + +/** + * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type. + * + * \sa drmGetLock() and drmUnlock(). + */ +typedef struct drm_lock { + int context; + drm_lock_flags_t flags; +} drm_lock_t; + + +/** + * DMA flags + * + * \warning + * These values \e must match xf86drm.h. + * + * \sa drm_dma. + */ +typedef enum drm_dma_flags { + /* Flags for DMA buffer dispatch */ + _DRM_DMA_BLOCK = 0x01, /**< + * Block until buffer dispatched. + * + * \note The buffer may not yet have + * been processed by the hardware -- + * getting a hardware lock with the + * hardware quiescent will ensure + * that the buffer has been + * processed. + */ + _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */ + _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */ + + /* Flags for DMA buffer request */ + _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */ + _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */ + _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */ +} drm_dma_flags_t; + + +/** + * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type. + * + * \sa drmAddBufs(). + */ +typedef struct drm_buf_desc { + int count; /**< Number of buffers of this size */ + int size; /**< Size in bytes */ + int low_mark; /**< Low water mark */ + int high_mark; /**< High water mark */ + enum { + _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */ + _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */ + _DRM_SG_BUFFER = 0x04 /**< Scatter/gather memory buffer */ + } flags; + unsigned long agp_start; /**< + * Start address of where the AGP buffers are + * in the AGP aperture + */ +} drm_buf_desc_t; + + +/** + * DRM_IOCTL_INFO_BUFS ioctl argument type. + */ +typedef struct drm_buf_info { + int count; /**< Entries in list */ + drm_buf_desc_t __user *list; +} drm_buf_info_t; + + +/** + * DRM_IOCTL_FREE_BUFS ioctl argument type. + */ +typedef struct drm_buf_free { + int count; + int __user *list; +} drm_buf_free_t; + + +/** + * Buffer information + * + * \sa drm_buf_map. + */ +typedef struct drm_buf_pub { + int idx; /**< Index into the master buffer list */ + int total; /**< Buffer size */ + int used; /**< Amount of buffer in use (for DMA) */ + void __user *address; /**< Address of buffer */ +} drm_buf_pub_t; + + +/** + * DRM_IOCTL_MAP_BUFS ioctl argument type. + */ +typedef struct drm_buf_map { + int count; /**< Length of the buffer list */ + void __user *virtual; /**< Mmap'd area in user-virtual */ + drm_buf_pub_t __user *list; /**< Buffer information */ +} drm_buf_map_t; + + +/** + * DRM_IOCTL_DMA ioctl argument type. + * + * Indices here refer to the offset into the buffer list in drm_buf_get. + * + * \sa drmDMA(). + */ +typedef struct drm_dma { + int context; /**< Context handle */ + int send_count; /**< Number of buffers to send */ + int __user *send_indices; /**< List of handles to buffers */ + int __user *send_sizes; /**< Lengths of data to send */ + drm_dma_flags_t flags; /**< Flags */ + int request_count; /**< Number of buffers requested */ + int request_size; /**< Desired size for buffers */ + int __user *request_indices; /**< Buffer information */ + int __user *request_sizes; + int granted_count; /**< Number of buffers granted */ +} drm_dma_t; + + +typedef enum { + _DRM_CONTEXT_PRESERVED = 0x01, + _DRM_CONTEXT_2DONLY = 0x02 +} drm_ctx_flags_t; + + +/** + * DRM_IOCTL_ADD_CTX ioctl argument type. + * + * \sa drmCreateContext() and drmDestroyContext(). + */ +typedef struct drm_ctx { + drm_context_t handle; + drm_ctx_flags_t flags; +} drm_ctx_t; + + +/** + * DRM_IOCTL_RES_CTX ioctl argument type. + */ +typedef struct drm_ctx_res { + int count; + drm_ctx_t __user *contexts; +} drm_ctx_res_t; + + +/** + * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type. + */ +typedef struct drm_draw { + drm_drawable_t handle; +} drm_draw_t; + + +/** + * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type. + */ +typedef struct drm_auth { + drm_magic_t magic; +} drm_auth_t; + + +/** + * DRM_IOCTL_IRQ_BUSID ioctl argument type. + * + * \sa drmGetInterruptFromBusID(). + */ +typedef struct drm_irq_busid { + int irq; /**< IRQ number */ + int busnum; /**< bus number */ + int devnum; /**< device number */ + int funcnum; /**< function number */ +} drm_irq_busid_t; + + +typedef enum { + _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ + _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ +} drm_vblank_seq_type_t; + + +#define _DRM_VBLANK_FLAGS_MASK _DRM_VBLANK_SIGNAL + + +struct drm_wait_vblank_request { + drm_vblank_seq_type_t type; + unsigned int sequence; + unsigned long signal; +}; + + +struct drm_wait_vblank_reply { + drm_vblank_seq_type_t type; + unsigned int sequence; + long tval_sec; + long tval_usec; +}; + + +/** + * DRM_IOCTL_WAIT_VBLANK ioctl argument type. + * + * \sa drmWaitVBlank(). + */ +typedef union drm_wait_vblank { + struct drm_wait_vblank_request request; + struct drm_wait_vblank_reply reply; +} drm_wait_vblank_t; + + +/** + * DRM_IOCTL_AGP_ENABLE ioctl argument type. + * + * \sa drmAgpEnable(). + */ +typedef struct drm_agp_mode { + unsigned long mode; /**< AGP mode */ +} drm_agp_mode_t; + + +/** + * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type. + * + * \sa drmAgpAlloc() and drmAgpFree(). + */ +typedef struct drm_agp_buffer { + unsigned long size; /**< In bytes -- will round to page boundary */ + unsigned long handle; /**< Used for binding / unbinding */ + unsigned long type; /**< Type of memory to allocate */ + unsigned long physical; /**< Physical used by i810 */ +} drm_agp_buffer_t; + + +/** + * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type. + * + * \sa drmAgpBind() and drmAgpUnbind(). + */ +typedef struct drm_agp_binding { + unsigned long handle; /**< From drm_agp_buffer */ + unsigned long offset; /**< In bytes -- will round to page boundary */ +} drm_agp_binding_t; + + +/** + * DRM_IOCTL_AGP_INFO ioctl argument type. + * + * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(), + * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(), + * drmAgpVendorId() and drmAgpDeviceId(). + */ +typedef struct drm_agp_info { + int agp_version_major; + int agp_version_minor; + unsigned long mode; + unsigned long aperture_base; /* physical address */ + unsigned long aperture_size; /* bytes */ + unsigned long memory_allowed; /* bytes */ + unsigned long memory_used; + + /* PCI information */ + unsigned short id_vendor; + unsigned short id_device; +} drm_agp_info_t; + + +/** + * DRM_IOCTL_SG_ALLOC ioctl argument type. + */ +typedef struct drm_scatter_gather { + unsigned long size; /**< In bytes -- will round to page boundary */ + unsigned long handle; /**< Used for mapping / unmapping */ +} drm_scatter_gather_t; + +/** + * DRM_IOCTL_SET_VERSION ioctl argument type. + */ +typedef struct drm_set_version { + int drm_di_major; + int drm_di_minor; + int drm_dd_major; + int drm_dd_minor; +} drm_set_version_t; + + +#define DRM_IOCTL_BASE 'd' +#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr) +#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type) +#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type) +#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type) + +#define DRM_IOCTL_VERSION DRM_IOWR(0x00, drm_version_t) +#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t) +#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, drm_auth_t) +#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, drm_irq_busid_t) +#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, drm_map_t) +#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, drm_client_t) +#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, drm_stats_t) +#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, drm_set_version_t) + +#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm_unique_t) +#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, drm_auth_t) +#define DRM_IOCTL_BLOCK DRM_IOWR(0x12, drm_block_t) +#define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, drm_block_t) +#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, drm_control_t) +#define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, drm_map_t) +#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, drm_buf_desc_t) +#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, drm_buf_desc_t) +#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm_buf_info_t) +#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm_buf_map_t) +#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm_buf_free_t) + +#define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, drm_map_t) + +#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, drm_ctx_priv_map_t) +#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, drm_ctx_priv_map_t) + +#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, drm_ctx_t) +#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, drm_ctx_t) +#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, drm_ctx_t) +#define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, drm_ctx_t) +#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, drm_ctx_t) +#define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, drm_ctx_t) +#define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, drm_ctx_res_t) +#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, drm_draw_t) +#define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, drm_draw_t) +#define DRM_IOCTL_DMA DRM_IOWR(0x29, drm_dma_t) +#define DRM_IOCTL_LOCK DRM_IOW( 0x2a, drm_lock_t) +#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, drm_lock_t) +#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, drm_lock_t) + +#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30) +#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31) +#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, drm_agp_mode_t) +#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, drm_agp_info_t) +#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, drm_agp_buffer_t) +#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, drm_agp_buffer_t) +#define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, drm_agp_binding_t) +#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, drm_agp_binding_t) + +#define DRM_IOCTL_SG_ALLOC DRM_IOW( 0x38, drm_scatter_gather_t) +#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, drm_scatter_gather_t) + +#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, drm_wait_vblank_t) + +/** + * Device specific ioctls should only be in their respective headers + * The device specific ioctl range is from 0x40 to 0x79. + * + * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and + * drmCommandReadWrite(). + */ +#define DRM_COMMAND_BASE 0x40 + +#endif diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h new file mode 100644 index 0000000..21f4c54 --- /dev/null +++ b/drivers/char/drm/drmP.h @@ -0,0 +1,1073 @@ +/** + * \file drmP.h + * Private header for Direct Rendering Manager + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _DRM_P_H_ +#define _DRM_P_H_ + +/* If you want the memory alloc debug functionality, change define below */ +/* #define DEBUG_MEMORY */ + +#ifdef __KERNEL__ +#ifdef __alpha__ +/* add include of current.h so that "current" is defined + * before static inline funcs in wait.h. Doing this so we + * can build the DRM (part of PI DRI). 4/21/2000 S + B */ +#include <asm/current.h> +#endif /* __alpha__ */ +#include <linux/config.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/miscdevice.h> +#include <linux/fs.h> +#include <linux/proc_fs.h> +#include <linux/init.h> +#include <linux/file.h> +#include <linux/pci.h> +#include <linux/version.h> +#include <linux/jiffies.h> +#include <linux/smp_lock.h> /* For (un)lock_kernel */ +#include <linux/mm.h> +#include <linux/cdev.h> +#if defined(__alpha__) || defined(__powerpc__) +#include <asm/pgtable.h> /* For pte_wrprotect */ +#endif +#include <asm/io.h> +#include <asm/mman.h> +#include <asm/uaccess.h> +#ifdef CONFIG_MTRR +#include <asm/mtrr.h> +#endif +#if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) +#include <linux/types.h> +#include <linux/agp_backend.h> +#endif +#include <linux/workqueue.h> +#include <linux/poll.h> +#include <asm/pgalloc.h> +#include "drm.h" + +#define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) +#define __OS_HAS_MTRR (defined(CONFIG_MTRR)) + +#include "drm_os_linux.h" + +/***********************************************************************/ +/** \name DRM template customization defaults */ +/*@{*/ + +/* driver capabilities and requirements mask */ +#define DRIVER_USE_AGP 0x1 +#define DRIVER_REQUIRE_AGP 0x2 +#define DRIVER_USE_MTRR 0x4 +#define DRIVER_PCI_DMA 0x8 +#define DRIVER_SG 0x10 +#define DRIVER_HAVE_DMA 0x20 +#define DRIVER_HAVE_IRQ 0x40 +#define DRIVER_IRQ_SHARED 0x80 +#define DRIVER_IRQ_VBL 0x100 +#define DRIVER_DMA_QUEUE 0x200 + +/***********************************************************************/ +/** \name Begin the DRM... */ +/*@{*/ + +#define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then + also include looping detection. */ + +#define DRM_HASH_SIZE 16 /**< Size of key hash table. Must be power of 2. */ +#define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ +#define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ +#define DRM_LOOPING_LIMIT 5000000 +#define DRM_BSZ 1024 /**< Buffer size for /dev/drm? output */ +#define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ +#define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ + +#define DRM_FLAG_DEBUG 0x01 + +#define DRM_MEM_DMA 0 +#define DRM_MEM_SAREA 1 +#define DRM_MEM_DRIVER 2 +#define DRM_MEM_MAGIC 3 +#define DRM_MEM_IOCTLS 4 +#define DRM_MEM_MAPS 5 +#define DRM_MEM_VMAS 6 +#define DRM_MEM_BUFS 7 +#define DRM_MEM_SEGS 8 +#define DRM_MEM_PAGES 9 +#define DRM_MEM_FILES 10 +#define DRM_MEM_QUEUES 11 +#define DRM_MEM_CMDS 12 +#define DRM_MEM_MAPPINGS 13 +#define DRM_MEM_BUFLISTS 14 +#define DRM_MEM_AGPLISTS 15 +#define DRM_MEM_TOTALAGP 16 +#define DRM_MEM_BOUNDAGP 17 +#define DRM_MEM_CTXBITMAP 18 +#define DRM_MEM_STUB 19 +#define DRM_MEM_SGLISTS 20 +#define DRM_MEM_CTXLIST 21 + +#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) + +/*@}*/ + + +/***********************************************************************/ +/** \name Backward compatibility section */ +/*@{*/ + +#ifndef MODULE_LICENSE +#define MODULE_LICENSE(x) +#endif + +#ifndef preempt_disable +#define preempt_disable() +#define preempt_enable() +#endif + +#ifndef pte_offset_map +#define pte_offset_map pte_offset +#define pte_unmap(pte) +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19) +static inline struct page * vmalloc_to_page(void * vmalloc_addr) +{ + unsigned long addr = (unsigned long) vmalloc_addr; + struct page *page = NULL; + pgd_t *pgd = pgd_offset_k(addr); + pmd_t *pmd; + pte_t *ptep, pte; + + if (!pgd_none(*pgd)) { + pmd = pmd_offset(pgd, addr); + if (!pmd_none(*pmd)) { + preempt_disable(); + ptep = pte_offset_map(pmd, addr); + pte = *ptep; + if (pte_present(pte)) + page = pte_page(pte); + pte_unmap(ptep); + preempt_enable(); + } + } + return page; +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +#define DRM_RPR_ARG(vma) +#else +#define DRM_RPR_ARG(vma) vma, +#endif + +#define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT) + +/*@}*/ + + +/***********************************************************************/ +/** \name Macros to make printk easier */ +/*@{*/ + +/** + * Error output. + * + * \param fmt printf() like format string. + * \param arg arguments + */ +#define DRM_ERROR(fmt, arg...) \ + printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __FUNCTION__ , ##arg) + +/** + * Memory error output. + * + * \param area memory area where the error occurred. + * \param fmt printf() like format string. + * \param arg arguments + */ +#define DRM_MEM_ERROR(area, fmt, arg...) \ + printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __FUNCTION__, \ + drm_mem_stats[area].name , ##arg) + +#define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) + +/** + * Debug output. + * + * \param fmt printf() like format string. + * \param arg arguments + */ +#if DRM_DEBUG_CODE +#define DRM_DEBUG(fmt, arg...) \ + do { \ + if ( drm_debug ) \ + printk(KERN_DEBUG \ + "[" DRM_NAME ":%s] " fmt , \ + __FUNCTION__ , ##arg); \ + } while (0) +#else +#define DRM_DEBUG(fmt, arg...) do { } while (0) +#endif + +#define DRM_PROC_LIMIT (PAGE_SIZE-80) + +#define DRM_PROC_PRINT(fmt, arg...) \ + len += sprintf(&buf[len], fmt , ##arg); \ + if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } + +#define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ + len += sprintf(&buf[len], fmt , ##arg); \ + if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } + +/*@}*/ + + +/***********************************************************************/ +/** \name Internal types and structures */ +/*@{*/ + +#define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0])) +#define DRM_MIN(a,b) ((a)<(b)?(a):(b)) +#define DRM_MAX(a,b) ((a)>(b)?(a):(b)) + +#define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) +#define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) +#define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) + +#define DRM_IF_VERSION(maj, min) (maj << 16 | min) +/** + * Get the private SAREA mapping. + * + * \param _dev DRM device. + * \param _ctx context number. + * \param _map output mapping. + */ +#define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ + (_map) = (_dev)->context_sareas[_ctx]; \ +} while(0) + +/** + * Test that the hardware lock is held by the caller, returning otherwise. + * + * \param dev DRM device. + * \param filp file pointer of the caller. + */ +#define LOCK_TEST_WITH_RETURN( dev, filp ) \ +do { \ + if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \ + dev->lock.filp != filp ) { \ + DRM_ERROR( "%s called without lock held\n", \ + __FUNCTION__ ); \ + return -EINVAL; \ + } \ +} while (0) + +/** + * Copy and IOCTL return string to user space + */ +#define DRM_COPY( name, value ) \ + len = strlen( value ); \ + if ( len > name##_len ) len = name##_len; \ + name##_len = strlen( value ); \ + if ( len && name ) { \ + if ( copy_to_user( name, value, len ) ) \ + return -EFAULT; \ + } + +/** + * Ioctl function type. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg argument. + */ +typedef int drm_ioctl_t( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +typedef struct drm_ioctl_desc { + drm_ioctl_t *func; + int auth_needed; + int root_only; +} drm_ioctl_desc_t; + +typedef struct drm_devstate { + pid_t owner; /**< X server pid holding x_lock */ +} drm_devstate_t; + +typedef struct drm_magic_entry { + drm_magic_t magic; + struct drm_file *priv; + struct drm_magic_entry *next; +} drm_magic_entry_t; + +typedef struct drm_magic_head { + struct drm_magic_entry *head; + struct drm_magic_entry *tail; +} drm_magic_head_t; + +typedef struct drm_vma_entry { + struct vm_area_struct *vma; + struct drm_vma_entry *next; + pid_t pid; +} drm_vma_entry_t; + +/** + * DMA buffer. + */ +typedef struct drm_buf { + int idx; /**< Index into master buflist */ + int total; /**< Buffer size */ + int order; /**< log-base-2(total) */ + int used; /**< Amount of buffer in use (for DMA) */ + unsigned long offset; /**< Byte offset (used internally) */ + void *address; /**< Address of buffer */ + unsigned long bus_address; /**< Bus address of buffer */ + struct drm_buf *next; /**< Kernel-only: used for free list */ + __volatile__ int waiting; /**< On kernel DMA queue */ + __volatile__ int pending; /**< On hardware DMA queue */ + wait_queue_head_t dma_wait; /**< Processes waiting */ + struct file *filp; /**< Pointer to holding file descr */ + int context; /**< Kernel queue for this buffer */ + int while_locked;/**< Dispatch this buffer while locked */ + enum { + DRM_LIST_NONE = 0, + DRM_LIST_FREE = 1, + DRM_LIST_WAIT = 2, + DRM_LIST_PEND = 3, + DRM_LIST_PRIO = 4, + DRM_LIST_RECLAIM = 5 + } list; /**< Which list we're on */ + + int dev_priv_size; /**< Size of buffer private storage */ + void *dev_private; /**< Per-buffer private storage */ +} drm_buf_t; + + +/** bufs is one longer than it has to be */ +typedef struct drm_waitlist { + int count; /**< Number of possible buffers */ + drm_buf_t **bufs; /**< List of pointers to buffers */ + drm_buf_t **rp; /**< Read pointer */ + drm_buf_t **wp; /**< Write pointer */ + drm_buf_t **end; /**< End pointer */ + spinlock_t read_lock; + spinlock_t write_lock; +} drm_waitlist_t; + +typedef struct drm_freelist { + int initialized; /**< Freelist in use */ + atomic_t count; /**< Number of free buffers */ + drm_buf_t *next; /**< End pointer */ + + wait_queue_head_t waiting; /**< Processes waiting on free bufs */ + int low_mark; /**< Low water mark */ + int high_mark; /**< High water mark */ + atomic_t wfh; /**< If waiting for high mark */ + spinlock_t lock; +} drm_freelist_t; + +/** + * Buffer entry. There is one of this for each buffer size order. + */ +typedef struct drm_buf_entry { + int buf_size; /**< size */ + int buf_count; /**< number of buffers */ + drm_buf_t *buflist; /**< buffer list */ + int seg_count; + int page_order; + unsigned long *seglist; + + drm_freelist_t freelist; +} drm_buf_entry_t; + +/** File private data */ +typedef struct drm_file { + int authenticated; + int minor; + pid_t pid; + uid_t uid; + drm_magic_t magic; + unsigned long ioctl_count; + struct drm_file *next; + struct drm_file *prev; + struct drm_head *head; + int remove_auth_on_close; + unsigned long lock_count; + void *driver_priv; +} drm_file_t; + +/** Wait queue */ +typedef struct drm_queue { + atomic_t use_count; /**< Outstanding uses (+1) */ + atomic_t finalization; /**< Finalization in progress */ + atomic_t block_count; /**< Count of processes waiting */ + atomic_t block_read; /**< Queue blocked for reads */ + wait_queue_head_t read_queue; /**< Processes waiting on block_read */ + atomic_t block_write; /**< Queue blocked for writes */ + wait_queue_head_t write_queue; /**< Processes waiting on block_write */ +#if 1 + atomic_t total_queued; /**< Total queued statistic */ + atomic_t total_flushed;/**< Total flushes statistic */ + atomic_t total_locks; /**< Total locks statistics */ +#endif + drm_ctx_flags_t flags; /**< Context preserving and 2D-only */ + drm_waitlist_t waitlist; /**< Pending buffers */ + wait_queue_head_t flush_queue; /**< Processes waiting until flush */ +} drm_queue_t; + +/** + * Lock data. + */ +typedef struct drm_lock_data { + drm_hw_lock_t *hw_lock; /**< Hardware lock */ + struct file *filp; /**< File descr of lock holder (0=kernel) */ + wait_queue_head_t lock_queue; /**< Queue of blocked processes */ + unsigned long lock_time; /**< Time of last lock in jiffies */ +} drm_lock_data_t; + +/** + * DMA data. + */ +typedef struct drm_device_dma { + + drm_buf_entry_t bufs[DRM_MAX_ORDER+1]; /**< buffers, grouped by their size order */ + int buf_count; /**< total number of buffers */ + drm_buf_t **buflist; /**< Vector of pointers into drm_device_dma::bufs */ + int seg_count; + int page_count; /**< number of pages */ + unsigned long *pagelist; /**< page list */ + unsigned long byte_count; + enum { + _DRM_DMA_USE_AGP = 0x01, + _DRM_DMA_USE_SG = 0x02 + } flags; + +} drm_device_dma_t; + +/** + * AGP memory entry. Stored as a doubly linked list. + */ +typedef struct drm_agp_mem { + unsigned long handle; /**< handle */ + DRM_AGP_MEM *memory; + unsigned long bound; /**< address */ + int pages; + struct drm_agp_mem *prev; /**< previous entry */ + struct drm_agp_mem *next; /**< next entry */ +} drm_agp_mem_t; + +/** + * AGP data. + * + * \sa drm_agp_init() and drm_device::agp. + */ +typedef struct drm_agp_head { + DRM_AGP_KERN agp_info; /**< AGP device information */ + drm_agp_mem_t *memory; /**< memory entries */ + unsigned long mode; /**< AGP mode */ + struct agp_bridge_data *bridge; + int enabled; /**< whether the AGP bus as been enabled */ + int acquired; /**< whether the AGP device has been acquired */ + unsigned long base; + int agp_mtrr; + int cant_use_aperture; + unsigned long page_mask; +} drm_agp_head_t; + +/** + * Scatter-gather memory. + */ +typedef struct drm_sg_mem { + unsigned long handle; + void *virtual; + int pages; + struct page **pagelist; + dma_addr_t *busaddr; +} drm_sg_mem_t; + +typedef struct drm_sigdata { + int context; + drm_hw_lock_t *lock; +} drm_sigdata_t; + +/** + * Mappings list + */ +typedef struct drm_map_list { + struct list_head head; /**< list head */ + drm_map_t *map; /**< mapping */ +} drm_map_list_t; + +typedef drm_map_t drm_local_map_t; + +/** + * Context handle list + */ +typedef struct drm_ctx_list { + struct list_head head; /**< list head */ + drm_context_t handle; /**< context handle */ + drm_file_t *tag; /**< associated fd private data */ +} drm_ctx_list_t; + + +typedef struct drm_vbl_sig { + struct list_head head; + unsigned int sequence; + struct siginfo info; + struct task_struct *task; +} drm_vbl_sig_t; + + +/** + * DRM driver structure. This structure represent the common code for + * a family of cards. There will one drm_device for each card present + * in this family + */ +struct drm_device; + +struct drm_driver { + int (*preinit)(struct drm_device *, unsigned long flags); + void (*prerelease)(struct drm_device *, struct file *filp); + void (*pretakedown)(struct drm_device *); + int (*postcleanup)(struct drm_device *); + int (*presetup)(struct drm_device *); + int (*postsetup)(struct drm_device *); + int (*dma_ioctl)( DRM_IOCTL_ARGS ); + int (*open_helper)(struct drm_device *, drm_file_t *); + void (*free_filp_priv)(struct drm_device *, drm_file_t *); + void (*release)(struct drm_device *, struct file *filp); + void (*dma_ready)(struct drm_device *); + int (*dma_quiescent)(struct drm_device *); + int (*context_ctor)(struct drm_device *dev, int context); + int (*context_dtor)(struct drm_device *dev, int context); + int (*kernel_context_switch)(struct drm_device *dev, int old, int new); + void (*kernel_context_switch_unlock)(struct drm_device *dev, drm_lock_t *lock); + int (*vblank_wait)(struct drm_device *dev, unsigned int *sequence); + /* these have to be filled in */ + int (*postinit)(struct drm_device *, unsigned long flags); + irqreturn_t (*irq_handler)( DRM_IRQ_ARGS ); + void (*irq_preinstall)(struct drm_device *dev); + void (*irq_postinstall)(struct drm_device *dev); + void (*irq_uninstall)(struct drm_device *dev); + void (*reclaim_buffers)(struct drm_device *dev, struct file *filp); + unsigned long (*get_map_ofs)(drm_map_t *map); + unsigned long (*get_reg_ofs)(struct drm_device *dev); + void (*set_version)(struct drm_device *dev, drm_set_version_t *sv); + int (*version)(drm_version_t *version); + u32 driver_features; + int dev_priv_size; + drm_ioctl_desc_t *ioctls; + int num_ioctls; + struct file_operations fops; + struct pci_driver pci_driver; +}; + +/** + * DRM head structure. This structure represent a video head on a card + * that may contain multiple heads. Embed one per head of these in the + * private drm_device structure. + */ +typedef struct drm_head { + int minor; /**< Minor device number */ + struct drm_device *dev; + struct proc_dir_entry *dev_root; /**< proc directory entry */ + dev_t device; /**< Device number for mknod */ + struct class_device *dev_class; +} drm_head_t; + +/** + * DRM device structure. This structure represent a complete card that + * may contain multiple heads. + */ +typedef struct drm_device { + char *unique; /**< Unique identifier: e.g., busid */ + int unique_len; /**< Length of unique field */ + char *devname; /**< For /proc/interrupts */ + int if_version; /**< Highest interface version set */ + + int blocked; /**< Blocked due to VC switch? */ + + /** \name Locks */ + /*@{*/ + spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ + struct semaphore struct_sem; /**< For others */ + /*@}*/ + + /** \name Usage Counters */ + /*@{*/ + int open_count; /**< Outstanding files open */ + atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ + atomic_t vma_count; /**< Outstanding vma areas open */ + int buf_use; /**< Buffers in use -- cannot alloc */ + atomic_t buf_alloc; /**< Buffer allocation in progress */ + /*@}*/ + + /** \name Performance counters */ + /*@{*/ + unsigned long counters; + drm_stat_type_t types[15]; + atomic_t counts[15]; + /*@}*/ + + /** \name Authentication */ + /*@{*/ + drm_file_t *file_first; /**< file list head */ + drm_file_t *file_last; /**< file list tail */ + drm_magic_head_t magiclist[DRM_HASH_SIZE]; /**< magic hash table */ + /*@}*/ + + /** \name Memory management */ + /*@{*/ + drm_map_list_t *maplist; /**< Linked list of regions */ + int map_count; /**< Number of mappable regions */ + + /** \name Context handle management */ + /*@{*/ + drm_ctx_list_t *ctxlist; /**< Linked list of context handles */ + int ctx_count; /**< Number of context handles */ + struct semaphore ctxlist_sem; /**< For ctxlist */ + + drm_map_t **context_sareas; /**< per-context SAREA's */ + int max_context; + + drm_vma_entry_t *vmalist; /**< List of vmas (for debugging) */ + drm_lock_data_t lock; /**< Information on hardware lock */ + /*@}*/ + + /** \name DMA queues (contexts) */ + /*@{*/ + int queue_count; /**< Number of active DMA queues */ + int queue_reserved; /**< Number of reserved DMA queues */ + int queue_slots; /**< Actual length of queuelist */ + drm_queue_t **queuelist; /**< Vector of pointers to DMA queues */ + drm_device_dma_t *dma; /**< Optional pointer for DMA support */ + /*@}*/ + + /** \name Context support */ + /*@{*/ + int irq; /**< Interrupt used by board */ + int irq_enabled; /**< True if irq handler is enabled */ + __volatile__ long context_flag; /**< Context swapping flag */ + __volatile__ long interrupt_flag; /**< Interruption handler flag */ + __volatile__ long dma_flag; /**< DMA dispatch flag */ + struct timer_list timer; /**< Timer for delaying ctx switch */ + wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ + int last_checked; /**< Last context checked for DMA */ + int last_context; /**< Last current context */ + unsigned long last_switch; /**< jiffies at last context switch */ + /*@}*/ + + struct work_struct work; + /** \name VBLANK IRQ support */ + /*@{*/ + + wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ + atomic_t vbl_received; + spinlock_t vbl_lock; + drm_vbl_sig_t vbl_sigs; /**< signal list to send on VBLANK */ + unsigned int vbl_pending; + + /*@}*/ + cycles_t ctx_start; + cycles_t lck_start; + + char buf[DRM_BSZ]; /**< Output buffer */ + char *buf_rp; /**< Read pointer */ + char *buf_wp; /**< Write pointer */ + char *buf_end; /**< End pointer */ + struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ + wait_queue_head_t buf_readers; /**< Processes waiting to read */ + wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ + + drm_agp_head_t *agp; /**< AGP data */ + + struct pci_dev *pdev; /**< PCI device structure */ + int pci_domain; /**< PCI bus domain number */ + int pci_bus; /**< PCI bus number */ + int pci_slot; /**< PCI slot number */ + int pci_func; /**< PCI function number */ +#ifdef __alpha__ +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3) + struct pci_controler *hose; +#else + struct pci_controller *hose; +#endif +#endif + drm_sg_mem_t *sg; /**< Scatter gather memory */ + unsigned long *ctx_bitmap; /**< context bitmap */ + void *dev_private; /**< device private data */ + drm_sigdata_t sigdata; /**< For block_all_signals */ + sigset_t sigmask; + + struct drm_driver *driver; + drm_local_map_t *agp_buffer_map; + drm_head_t primary; /**< primary screen head */ +} drm_device_t; + +static __inline__ int drm_core_check_feature(struct drm_device *dev, int feature) +{ + return ((dev->driver->driver_features & feature) ? 1 : 0); +} + +#if __OS_HAS_AGP +static inline int drm_core_has_AGP(struct drm_device *dev) +{ + return drm_core_check_feature(dev, DRIVER_USE_AGP); +} +#else +#define drm_core_has_AGP(dev) (0) +#endif + +#if __OS_HAS_MTRR +static inline int drm_core_has_MTRR(struct drm_device *dev) +{ + return drm_core_check_feature(dev, DRIVER_USE_MTRR); +} +#else +#define drm_core_has_MTRR(dev) (0) +#endif + +/******************************************************************/ +/** \name Internal function definitions */ +/*@{*/ + + /* Misc. support (drm_init.h) */ +extern int drm_flags; +extern void drm_parse_options( char *s ); +extern int drm_cpu_valid( void ); + + /* Driver support (drm_drv.h) */ +extern int drm_init(struct drm_driver *driver); +extern void drm_exit(struct drm_driver *driver); +extern int drm_version(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_takedown(drm_device_t * dev); + + /* Device support (drm_fops.h) */ +extern int drm_open(struct inode *inode, struct file *filp); +extern int drm_stub_open(struct inode *inode, struct file *filp); +extern int drm_open_helper(struct inode *inode, struct file *filp, + drm_device_t *dev); +extern int drm_flush(struct file *filp); +extern int drm_fasync(int fd, struct file *filp, int on); +extern int drm_release(struct inode *inode, struct file *filp); + + /* Mapping support (drm_vm.h) */ +extern void drm_vm_open(struct vm_area_struct *vma); +extern void drm_vm_close(struct vm_area_struct *vma); +extern void drm_vm_shm_close(struct vm_area_struct *vma); +extern int drm_mmap_dma(struct file *filp, + struct vm_area_struct *vma); +extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); +extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); +extern ssize_t drm_read(struct file *filp, char __user *buf, size_t count, loff_t *off); + + /* Memory management support (drm_memory.h) */ +#include "drm_memory.h" +extern void drm_mem_init(void); +extern int drm_mem_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +extern void *drm_calloc(size_t nmemb, size_t size, int area); +extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, + int area); +extern unsigned long drm_alloc_pages(int order, int area); +extern void drm_free_pages(unsigned long address, int order, + int area); +extern void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t *dev); +extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size, + drm_device_t *dev); +extern void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev); + +extern DRM_AGP_MEM *drm_alloc_agp(struct agp_bridge_data *bridge, int pages, u32 type); +extern int drm_free_agp(DRM_AGP_MEM *handle, int pages); +extern int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start); +extern int drm_unbind_agp(DRM_AGP_MEM *handle); + + /* Misc. IOCTL support (drm_ioctl.h) */ +extern int drm_irq_by_busid(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_getunique(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_setunique(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_getmap(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_getclient(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_getstats(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_setversion(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + /* Context IOCTL support (drm_context.h) */ +extern int drm_resctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_addctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_modctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_getctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_switchctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_newctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_rmctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern int drm_context_switch(drm_device_t *dev, int old, int new); +extern int drm_context_switch_complete(drm_device_t *dev, int new); + +extern int drm_ctxbitmap_init( drm_device_t *dev ); +extern void drm_ctxbitmap_cleanup( drm_device_t *dev ); +extern void drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle ); + +extern int drm_setsareactx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_getsareactx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + /* Drawable IOCTL support (drm_drawable.h) */ +extern int drm_adddraw(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_rmdraw(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + + /* Authentication IOCTL support (drm_auth.h) */ +extern int drm_add_magic(drm_device_t *dev, drm_file_t *priv, + drm_magic_t magic); +extern int drm_remove_magic(drm_device_t *dev, drm_magic_t magic); +extern int drm_getmagic(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_authmagic(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + /* Placeholder for ioctls past */ +extern int drm_noop(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + /* Locking IOCTL support (drm_lock.h) */ +extern int drm_lock(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_unlock(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_lock_take(__volatile__ unsigned int *lock, + unsigned int context); +extern int drm_lock_transfer(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int drm_lock_free(drm_device_t *dev, + __volatile__ unsigned int *lock, + unsigned int context); +extern int drm_notifier(void *priv); + + /* Buffer management support (drm_bufs.h) */ +extern int drm_order( unsigned long size ); +extern int drm_addmap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_rmmap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_addbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_infobufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_markbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_freebufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_mapbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + + /* DMA support (drm_dma.h) */ +extern int drm_dma_setup(drm_device_t *dev); +extern void drm_dma_takedown(drm_device_t *dev); +extern void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf); +extern void drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp); + + /* IRQ support (drm_irq.h) */ +extern int drm_control( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int drm_irq_install( drm_device_t *dev ); +extern int drm_irq_uninstall( drm_device_t *dev ); +extern irqreturn_t drm_irq_handler( DRM_IRQ_ARGS ); +extern void drm_driver_irq_preinstall( drm_device_t *dev ); +extern void drm_driver_irq_postinstall( drm_device_t *dev ); +extern void drm_driver_irq_uninstall( drm_device_t *dev ); + +extern int drm_wait_vblank(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq); +extern void drm_vbl_send_signals( drm_device_t *dev ); + + /* AGP/GART support (drm_agpsupport.h) */ +extern drm_agp_head_t *drm_agp_init(drm_device_t *dev); +extern int drm_agp_acquire(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern void drm_agp_do_release(drm_device_t *dev); +extern int drm_agp_release(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_agp_enable(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_agp_info(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_agp_alloc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_agp_free(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_agp_unbind(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_agp_bind(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); +extern int drm_agp_free_memory(DRM_AGP_MEM *handle); +extern int drm_agp_bind_memory(DRM_AGP_MEM *handle, off_t start); +extern int drm_agp_unbind_memory(DRM_AGP_MEM *handle); + + /* Stub support (drm_stub.h) */ +extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, + struct drm_driver *driver); +extern int drm_put_dev(drm_device_t * dev); +extern int drm_get_head(drm_device_t * dev, drm_head_t *head); +extern int drm_put_head(drm_head_t * head); +extern unsigned int drm_debug; +extern unsigned int drm_cards_limit; +extern drm_head_t **drm_heads; +extern struct drm_sysfs_class *drm_class; +extern struct proc_dir_entry *drm_proc_root; + + /* Proc support (drm_proc.h) */ +extern int drm_proc_init(drm_device_t *dev, + int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root); +extern int drm_proc_cleanup(int minor, + struct proc_dir_entry *root, + struct proc_dir_entry *dev_root); + + /* Scatter Gather Support (drm_scatter.h) */ +extern void drm_sg_cleanup(drm_sg_mem_t *entry); +extern int drm_sg_alloc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int drm_sg_free(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); + + /* ATI PCIGART support (ati_pcigart.h) */ +extern int drm_ati_pcigart_init(drm_device_t *dev, + unsigned long *addr, + dma_addr_t *bus_addr); +extern int drm_ati_pcigart_cleanup(drm_device_t *dev, + unsigned long addr, + dma_addr_t bus_addr); + +extern void *drm_pci_alloc(drm_device_t * dev, size_t size, + size_t align, dma_addr_t maxaddr, + dma_addr_t * busaddr); + +extern void drm_pci_free(drm_device_t * dev, size_t size, + void *vaddr, dma_addr_t busaddr); + + /* sysfs support (drm_sysfs.c) */ +struct drm_sysfs_class; +extern struct drm_sysfs_class *drm_sysfs_create(struct module *owner, + char *name); +extern void drm_sysfs_destroy(struct drm_sysfs_class *cs); +extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, + dev_t dev, + struct device *device, + const char *fmt, ...); +extern void drm_sysfs_device_remove(dev_t dev); + + +/* Inline replacements for DRM_IOREMAP macros */ +static __inline__ void drm_core_ioremap(struct drm_map *map, struct drm_device *dev) +{ + map->handle = drm_ioremap( map->offset, map->size, dev ); +} + +static __inline__ void drm_core_ioremap_nocache(struct drm_map *map, struct drm_device *dev) +{ + map->handle = drm_ioremap_nocache(map->offset, map->size, dev); +} + +static __inline__ void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev) +{ + if ( map->handle && map->size ) + drm_ioremapfree( map->handle, map->size, dev ); +} + +static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, unsigned long offset) +{ + struct list_head *_list; + list_for_each( _list, &dev->maplist->head ) { + drm_map_list_t *_entry = list_entry( _list, drm_map_list_t, head ); + if ( _entry->map && + _entry->map->offset == offset ) { + return _entry->map; + } + } + return NULL; +} + +static __inline__ void drm_core_dropmap(struct drm_map *map) +{ +} + +#ifndef DEBUG_MEMORY +/** Wrapper around kmalloc() */ +static __inline__ void *drm_alloc(size_t size, int area) +{ + return kmalloc(size, GFP_KERNEL); +} + +/** Wrapper around kfree() */ +static __inline__ void drm_free(void *pt, size_t size, int area) +{ + kfree(pt); +} +#else +extern void *drm_alloc(size_t size, int area); +extern void drm_free(void *pt, size_t size, int area); +#endif + +/*@}*/ + +extern unsigned long drm_core_get_map_ofs(drm_map_t *map); +extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); + +#endif /* __KERNEL__ */ +#endif diff --git a/drivers/char/drm/drm_agpsupport.c b/drivers/char/drm/drm_agpsupport.c new file mode 100644 index 0000000..8d94c0b --- /dev/null +++ b/drivers/char/drm/drm_agpsupport.c @@ -0,0 +1,448 @@ +/** + * \file drm_agpsupport.h + * DRM support for AGP/GART backend + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include <linux/module.h> + +#if __OS_HAS_AGP + +/** + * AGP information ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a (output) drm_agp_info structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device has been initialized and acquired and fills in the + * drm_agp_info structure with the information in drm_agp_head::agp_info. + */ +int drm_agp_info(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + DRM_AGP_KERN *kern; + drm_agp_info_t info; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + + kern = &dev->agp->agp_info; + info.agp_version_major = kern->version.major; + info.agp_version_minor = kern->version.minor; + info.mode = kern->mode; + info.aperture_base = kern->aper_base; + info.aperture_size = kern->aper_size * 1024 * 1024; + info.memory_allowed = kern->max_memory << PAGE_SHIFT; + info.memory_used = kern->current_memory << PAGE_SHIFT; + info.id_vendor = kern->device->vendor; + info.id_device = kern->device->device; + + if (copy_to_user((drm_agp_info_t __user *)arg, &info, sizeof(info))) + return -EFAULT; + return 0; +} + +/** + * Acquire the AGP device (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device hasn't been acquired before and calls + * agp_acquire(). + */ +int drm_agp_acquire(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + if (!dev->agp) + return -ENODEV; + if (dev->agp->acquired) + return -EBUSY; + if (!(dev->agp->bridge = agp_backend_acquire(dev->pdev))) + return -ENODEV; + dev->agp->acquired = 1; + return 0; +} + +/** + * Release the AGP device (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device has been acquired and calls agp_backend_release(). + */ +int drm_agp_release(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + agp_backend_release(dev->agp->bridge); + dev->agp->acquired = 0; + return 0; + +} + +/** + * Release the AGP device. + * + * Calls agp_backend_release(). + */ +void drm_agp_do_release(drm_device_t *dev) +{ + agp_backend_release(dev->agp->bridge); +} + +/** + * Enable the AGP bus. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_mode structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device has been acquired but not enabled, and calls + * agp_enable(). + */ +int drm_agp_enable(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_mode_t mode; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + + if (copy_from_user(&mode, (drm_agp_mode_t __user *)arg, sizeof(mode))) + return -EFAULT; + + dev->agp->mode = mode.mode; + agp_enable(dev->agp->bridge, mode.mode); + dev->agp->base = dev->agp->agp_info.aper_base; + dev->agp->enabled = 1; + return 0; +} + +/** + * Allocate AGP memory. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_buffer structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and has been acquired, allocates the + * memory via alloc_agp() and creates a drm_agp_mem entry for it. + */ +int drm_agp_alloc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + DRM_AGP_MEM *memory; + unsigned long pages; + u32 type; + drm_agp_buffer_t __user *argp = (void __user *)arg; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + if (!(entry = drm_alloc(sizeof(*entry), DRM_MEM_AGPLISTS))) + return -ENOMEM; + + memset(entry, 0, sizeof(*entry)); + + pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; + type = (u32) request.type; + + if (!(memory = drm_alloc_agp(dev->agp->bridge, pages, type))) { + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -ENOMEM; + } + + entry->handle = (unsigned long)memory->key + 1; + entry->memory = memory; + entry->bound = 0; + entry->pages = pages; + entry->prev = NULL; + entry->next = dev->agp->memory; + if (dev->agp->memory) + dev->agp->memory->prev = entry; + dev->agp->memory = entry; + + request.handle = entry->handle; + request.physical = memory->physical; + + if (copy_to_user(argp, &request, sizeof(request))) { + dev->agp->memory = entry->next; + dev->agp->memory->prev = NULL; + drm_free_agp(memory, pages); + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return -EFAULT; + } + return 0; +} + +/** + * Search for the AGP memory entry associated with a handle. + * + * \param dev DRM device structure. + * \param handle AGP memory handle. + * \return pointer to the drm_agp_mem structure associated with \p handle. + * + * Walks through drm_agp_head::memory until finding a matching handle. + */ +static drm_agp_mem_t *drm_agp_lookup_entry(drm_device_t *dev, + unsigned long handle) +{ + drm_agp_mem_t *entry; + + for (entry = dev->agp->memory; entry; entry = entry->next) { + if (entry->handle == handle) + return entry; + } + return NULL; +} + +/** + * Unbind AGP memory from the GATT (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_binding structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and acquired, looks-up the AGP memory + * entry and passes it to the unbind_agp() function. + */ +int drm_agp_unbind(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + int ret; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + return -EINVAL; + if (!entry->bound) + return -EINVAL; + ret = drm_unbind_agp(entry->memory); + if (ret == 0) + entry->bound = 0; + return ret; +} + +/** + * Bind AGP memory into the GATT (ioctl) + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_binding structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and has been acquired and that no memory + * is currently bound into the GATT. Looks-up the AGP memory entry and passes + * it to bind_agp() function. + */ +int drm_agp_bind(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_binding_t request; + drm_agp_mem_t *entry; + int retcode; + int page; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, (drm_agp_binding_t __user *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + return -EINVAL; + if (entry->bound) + return -EINVAL; + page = (request.offset + PAGE_SIZE - 1) / PAGE_SIZE; + if ((retcode = drm_bind_agp(entry->memory, page))) + return retcode; + entry->bound = dev->agp->base + (page << PAGE_SHIFT); + DRM_DEBUG("base = 0x%lx entry->bound = 0x%lx\n", + dev->agp->base, entry->bound); + return 0; +} + +/** + * Free AGP memory (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_agp_buffer structure. + * \return zero on success or a negative number on failure. + * + * Verifies the AGP device is present and has been acquired and looks up the + * AGP memory entry. If the memory it's currently bound, unbind it via + * unbind_agp(). Frees it via free_agp() as well as the entry itself + * and unlinks from the doubly linked list it's inserted in. + */ +int drm_agp_free(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_agp_buffer_t request; + drm_agp_mem_t *entry; + + if (!dev->agp || !dev->agp->acquired) + return -EINVAL; + if (copy_from_user(&request, (drm_agp_buffer_t __user *)arg, sizeof(request))) + return -EFAULT; + if (!(entry = drm_agp_lookup_entry(dev, request.handle))) + return -EINVAL; + if (entry->bound) + drm_unbind_agp(entry->memory); + + if (entry->prev) + entry->prev->next = entry->next; + else + dev->agp->memory = entry->next; + + if (entry->next) + entry->next->prev = entry->prev; + + drm_free_agp(entry->memory, entry->pages); + drm_free(entry, sizeof(*entry), DRM_MEM_AGPLISTS); + return 0; +} + +/** + * Initialize the AGP resources. + * + * \return pointer to a drm_agp_head structure. + * + */ +drm_agp_head_t *drm_agp_init(drm_device_t *dev) +{ + drm_agp_head_t *head = NULL; + + if (!(head = drm_alloc(sizeof(*head), DRM_MEM_AGPLISTS))) + return NULL; + memset((void *)head, 0, sizeof(*head)); + head->bridge = agp_find_bridge(dev->pdev); + if (!head->bridge) { + if (!(head->bridge = agp_backend_acquire(dev->pdev))) { + drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); + return NULL; + } + agp_copy_info(head->bridge, &head->agp_info); + agp_backend_release(head->bridge); + } else { + agp_copy_info(head->bridge, &head->agp_info); + } + if (head->agp_info.chipset == NOT_SUPPORTED) { + drm_free(head, sizeof(*head), DRM_MEM_AGPLISTS); + return NULL; + } + head->memory = NULL; +#if LINUX_VERSION_CODE <= 0x020408 + head->cant_use_aperture = 0; + head->page_mask = ~(0xfff); +#else + head->cant_use_aperture = head->agp_info.cant_use_aperture; + head->page_mask = head->agp_info.page_mask; +#endif + + return head; +} + +/** Calls agp_allocate_memory() */ +DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type) +{ + return agp_allocate_memory(bridge, pages, type); +} + +/** Calls agp_free_memory() */ +int drm_agp_free_memory(DRM_AGP_MEM *handle) +{ + if (!handle) + return 0; + agp_free_memory(handle); + return 1; +} + +/** Calls agp_bind_memory() */ +int drm_agp_bind_memory(DRM_AGP_MEM *handle, off_t start) +{ + if (!handle) + return -EINVAL; + return agp_bind_memory(handle, start); +} + +/** Calls agp_unbind_memory() */ +int drm_agp_unbind_memory(DRM_AGP_MEM *handle) +{ + if (!handle) + return -EINVAL; + return agp_unbind_memory(handle); +} + +#endif /* __OS_HAS_AGP */ diff --git a/drivers/char/drm/drm_auth.c b/drivers/char/drm/drm_auth.c new file mode 100644 index 0000000..b428761 --- /dev/null +++ b/drivers/char/drm/drm_auth.c @@ -0,0 +1,230 @@ +/** + * \file drm_auth.h + * IOCTLs for authentication + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Generate a hash key from a magic. + * + * \param magic magic. + * \return hash key. + * + * The key is the modulus of the hash table size, #DRM_HASH_SIZE, which must be + * a power of 2. + */ +static int drm_hash_magic(drm_magic_t magic) +{ + return magic & (DRM_HASH_SIZE-1); +} + +/** + * Find the file with the given magic number. + * + * \param dev DRM device. + * \param magic magic number. + * + * Searches in drm_device::magiclist within all files with the same hash key + * the one with matching magic number, while holding the drm_device::struct_sem + * lock. + */ +static drm_file_t *drm_find_file(drm_device_t *dev, drm_magic_t magic) +{ + drm_file_t *retval = NULL; + drm_magic_entry_t *pt; + int hash = drm_hash_magic(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; pt = pt->next) { + if (pt->magic == magic) { + retval = pt->priv; + break; + } + } + up(&dev->struct_sem); + return retval; +} + +/** + * Adds a magic number. + * + * \param dev DRM device. + * \param priv file private data. + * \param magic magic number. + * + * Creates a drm_magic_entry structure and appends to the linked list + * associated the magic number hash key in drm_device::magiclist, while holding + * the drm_device::struct_sem lock. + */ +int drm_add_magic(drm_device_t *dev, drm_file_t *priv, drm_magic_t magic) +{ + int hash; + drm_magic_entry_t *entry; + + DRM_DEBUG("%d\n", magic); + + hash = drm_hash_magic(magic); + entry = drm_alloc(sizeof(*entry), DRM_MEM_MAGIC); + if (!entry) return -ENOMEM; + memset(entry, 0, sizeof(*entry)); + entry->magic = magic; + entry->priv = priv; + entry->next = NULL; + + down(&dev->struct_sem); + if (dev->magiclist[hash].tail) { + dev->magiclist[hash].tail->next = entry; + dev->magiclist[hash].tail = entry; + } else { + dev->magiclist[hash].head = entry; + dev->magiclist[hash].tail = entry; + } + up(&dev->struct_sem); + + return 0; +} + +/** + * Remove a magic number. + * + * \param dev DRM device. + * \param magic magic number. + * + * Searches and unlinks the entry in drm_device::magiclist with the magic + * number hash key, while holding the drm_device::struct_sem lock. + */ +int drm_remove_magic(drm_device_t *dev, drm_magic_t magic) +{ + drm_magic_entry_t *prev = NULL; + drm_magic_entry_t *pt; + int hash; + + + DRM_DEBUG("%d\n", magic); + hash = drm_hash_magic(magic); + + down(&dev->struct_sem); + for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) { + if (pt->magic == magic) { + if (dev->magiclist[hash].head == pt) { + dev->magiclist[hash].head = pt->next; + } + if (dev->magiclist[hash].tail == pt) { + dev->magiclist[hash].tail = prev; + } + if (prev) { + prev->next = pt->next; + } + up(&dev->struct_sem); + return 0; + } + } + up(&dev->struct_sem); + + drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC); + + return -EINVAL; +} + +/** + * Get a unique magic number (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a resulting drm_auth structure. + * \return zero on success, or a negative number on failure. + * + * If there is a magic number in drm_file::magic then use it, otherwise + * searches an unique non-zero magic number and add it associating it with \p + * filp. + */ +int drm_getmagic(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + static drm_magic_t sequence = 0; + static DEFINE_SPINLOCK(lock); + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_auth_t auth; + + /* Find unique magic */ + if (priv->magic) { + auth.magic = priv->magic; + } else { + do { + spin_lock(&lock); + if (!sequence) ++sequence; /* reserve 0 */ + auth.magic = sequence++; + spin_unlock(&lock); + } while (drm_find_file(dev, auth.magic)); + priv->magic = auth.magic; + drm_add_magic(dev, priv, auth.magic); + } + + DRM_DEBUG("%u\n", auth.magic); + if (copy_to_user((drm_auth_t __user *)arg, &auth, sizeof(auth))) + return -EFAULT; + return 0; +} + +/** + * Authenticate with a magic. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_auth structure. + * \return zero if authentication successed, or a negative number otherwise. + * + * Checks if \p filp is associated with the magic number passed in \arg. + */ +int drm_authmagic(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_auth_t auth; + drm_file_t *file; + + if (copy_from_user(&auth, (drm_auth_t __user *)arg, sizeof(auth))) + return -EFAULT; + DRM_DEBUG("%u\n", auth.magic); + if ((file = drm_find_file(dev, auth.magic))) { + file->authenticated = 1; + drm_remove_magic(dev, auth.magic); + return 0; + } + return -EINVAL; +} diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c new file mode 100644 index 0000000..4113bcb --- /dev/null +++ b/drivers/char/drm/drm_bufs.c @@ -0,0 +1,1270 @@ +/** + * \file drm_bufs.h + * Generic buffer template + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <linux/vmalloc.h> +#include "drmP.h" + +/** + * Compute size order. Returns the exponent of the smaller power of two which + * is greater or equal to given number. + * + * \param size size. + * \return order. + * + * \todo Can be made faster. + */ +int drm_order( unsigned long size ) +{ + int order; + unsigned long tmp; + + for (order = 0, tmp = size >> 1; tmp; tmp >>= 1, order++) + ; + + if (size & (size - 1)) + ++order; + + return order; +} +EXPORT_SYMBOL(drm_order); + +/** + * Ioctl to specify a range of memory that is available for mapping by a non-root process. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_map structure. + * \return zero on success or a negative value on error. + * + * Adjusts the memory offset to its absolute value according to the mapping + * type. Adds the map to the map list drm_device::maplist. Adds MTRR's where + * applicable and if supported by the kernel. + */ +int drm_addmap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_map_t *map; + drm_map_t __user *argp = (void __user *)arg; + drm_map_list_t *list; + + if ( !(filp->f_mode & 3) ) return -EACCES; /* Require read/write */ + + map = drm_alloc( sizeof(*map), DRM_MEM_MAPS ); + if ( !map ) + return -ENOMEM; + + if ( copy_from_user( map, argp, sizeof(*map) ) ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EFAULT; + } + + /* Only allow shared memory to be removable since we only keep enough + * book keeping information about shared memory to allow for removal + * when processes fork. + */ + if ( (map->flags & _DRM_REMOVABLE) && map->type != _DRM_SHM ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + DRM_DEBUG( "offset = 0x%08lx, size = 0x%08lx, type = %d\n", + map->offset, map->size, map->type ); + if ( (map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK)) ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + map->mtrr = -1; + map->handle = NULL; + + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: +#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) + if ( map->offset + map->size < map->offset || + map->offset < virt_to_phys(high_memory) ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } +#endif +#ifdef __alpha__ + map->offset += dev->hose->mem_space->start; +#endif + if (drm_core_has_MTRR(dev)) { + if ( map->type == _DRM_FRAME_BUFFER || + (map->flags & _DRM_WRITE_COMBINING) ) { + map->mtrr = mtrr_add( map->offset, map->size, + MTRR_TYPE_WRCOMB, 1 ); + } + } + if (map->type == _DRM_REGISTERS) + map->handle = drm_ioremap( map->offset, map->size, + dev ); + break; + + case _DRM_SHM: + map->handle = vmalloc_32(map->size); + DRM_DEBUG( "%lu %d %p\n", + map->size, drm_order( map->size ), map->handle ); + if ( !map->handle ) { + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -ENOMEM; + } + map->offset = (unsigned long)map->handle; + if ( map->flags & _DRM_CONTAINS_LOCK ) { + /* Prevent a 2nd X Server from creating a 2nd lock */ + if (dev->lock.hw_lock != NULL) { + vfree( map->handle ); + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EBUSY; + } + dev->sigdata.lock = + dev->lock.hw_lock = map->handle; /* Pointer to lock */ + } + break; + case _DRM_AGP: + if (drm_core_has_AGP(dev)) { +#ifdef __alpha__ + map->offset += dev->hose->mem_space->start; +#endif + map->offset += dev->agp->base; + map->mtrr = dev->agp->agp_mtrr; /* for getmap */ + } + break; + case _DRM_SCATTER_GATHER: + if (!dev->sg) { + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + return -EINVAL; + } + map->offset += dev->sg->handle; + break; + + default: + drm_free( map, sizeof(*map), DRM_MEM_MAPS ); + return -EINVAL; + } + + list = drm_alloc(sizeof(*list), DRM_MEM_MAPS); + if(!list) { + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + return -EINVAL; + } + memset(list, 0, sizeof(*list)); + list->map = map; + + down(&dev->struct_sem); + list_add(&list->head, &dev->maplist->head); + up(&dev->struct_sem); + + if ( copy_to_user( argp, map, sizeof(*map) ) ) + return -EFAULT; + if ( map->type != _DRM_SHM ) { + if ( copy_to_user( &argp->handle, + &map->offset, + sizeof(map->offset) ) ) + return -EFAULT; + } + return 0; +} + + +/** + * Remove a map private from list and deallocate resources if the mapping + * isn't in use. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_map_t structure. + * \return zero on success or a negative value on error. + * + * Searches the map on drm_device::maplist, removes it from the list, see if + * its being used, and free any associate resource (such as MTRR's) if it's not + * being on use. + * + * \sa addmap(). + */ +int drm_rmmap(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + struct list_head *list; + drm_map_list_t *r_list = NULL; + drm_vma_entry_t *pt, *prev; + drm_map_t *map; + drm_map_t request; + int found_maps = 0; + + if (copy_from_user(&request, (drm_map_t __user *)arg, + sizeof(request))) { + return -EFAULT; + } + + down(&dev->struct_sem); + list = &dev->maplist->head; + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + + if(r_list->map && + r_list->map->handle == request.handle && + r_list->map->flags & _DRM_REMOVABLE) break; + } + + /* List has wrapped around to the head pointer, or its empty we didn't + * find anything. + */ + if(list == (&dev->maplist->head)) { + up(&dev->struct_sem); + return -EINVAL; + } + map = r_list->map; + list_del(list); + drm_free(list, sizeof(*list), DRM_MEM_MAPS); + + for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + if (pt->vma->vm_private_data == map) found_maps++; + } + + if(!found_maps) { + switch (map->type) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: + if (drm_core_has_MTRR(dev)) { + if (map->mtrr >= 0) { + int retcode; + retcode = mtrr_del(map->mtrr, + map->offset, + map->size); + DRM_DEBUG("mtrr_del = %d\n", retcode); + } + } + drm_ioremapfree(map->handle, map->size, dev); + break; + case _DRM_SHM: + vfree(map->handle); + break; + case _DRM_AGP: + case _DRM_SCATTER_GATHER: + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + up(&dev->struct_sem); + return 0; +} + +/** + * Cleanup after an error on one of the addbufs() functions. + * + * \param entry buffer entry where the error occurred. + * + * Frees any pages and buffers associated with the given entry. + */ +static void drm_cleanup_buf_error(drm_device_t *dev, drm_buf_entry_t *entry) +{ + int i; + + if (entry->seg_count) { + for (i = 0; i < entry->seg_count; i++) { + if (entry->seglist[i]) { + drm_free_pages(entry->seglist[i], + entry->page_order, + DRM_MEM_DMA); + } + } + drm_free(entry->seglist, + entry->seg_count * + sizeof(*entry->seglist), + DRM_MEM_SEGS); + + entry->seg_count = 0; + } + + if (entry->buf_count) { + for (i = 0; i < entry->buf_count; i++) { + if (entry->buflist[i].dev_private) { + drm_free(entry->buflist[i].dev_private, + entry->buflist[i].dev_priv_size, + DRM_MEM_BUFS); + } + } + drm_free(entry->buflist, + entry->buf_count * + sizeof(*entry->buflist), + DRM_MEM_BUFS); + + entry->buf_count = 0; + } +} + +#if __OS_HAS_AGP +/** + * Add AGP buffers for DMA transfers (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_desc_t request. + * \return zero on success or a negative number on failure. + * + * After some sanity checks creates a drm_buf structure for each buffer and + * reallocates the buffer list of the same size order to accommodate the new + * buffers. + */ +int drm_addbufs_agp( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + drm_buf_t **temp_buflist; + drm_buf_desc_t __user *argp = (void __user *)arg; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, argp, + sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = drm_order( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = dev->agp->base + request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %lu\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + if (count < 0 || count > 4096) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -EINVAL; + } + + entry->buflist = drm_alloc( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); + buf->bus_address = agp_offset + offset; + buf->address = (void *)(agp_offset + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->filp = NULL; + + buf->dev_priv_size = dev->driver->dev_priv_size; + buf->dev_private = drm_alloc( buf->dev_priv_size, + DRM_MEM_BUFS ); + if(!buf->dev_private) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( buf->dev_private, 0, buf->dev_priv_size ); + + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + temp_buflist = drm_realloc( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + if(!temp_buflist) { + /* Free the entry because it isn't valid */ + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + dma->buflist = temp_buflist; + + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_AGP; + + atomic_dec( &dev->buf_alloc ); + return 0; +} +#endif /* __OS_HAS_AGP */ + +int drm_addbufs_pci( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int count; + int order; + int size; + int total; + int page_order; + drm_buf_entry_t *entry; + unsigned long page; + drm_buf_t *buf; + int alignment; + unsigned long offset; + int i; + int byte_count; + int page_count; + unsigned long *temp_pagelist; + drm_buf_t **temp_buflist; + drm_buf_desc_t __user *argp = (void __user *)arg; + + if (!drm_core_check_feature(dev, DRIVER_PCI_DMA)) return -EINVAL; + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = drm_order( request.size ); + size = 1 << order; + + DRM_DEBUG( "count=%d, size=%d (%d), order=%d, queue_count=%d\n", + request.count, request.size, size, + order, dev->queue_count ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + if (count < 0 || count > 4096) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -EINVAL; + } + + entry->buflist = drm_alloc( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->seglist = drm_alloc( count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + if ( !entry->seglist ) { + drm_free( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->seglist, 0, count * sizeof(*entry->seglist) ); + + /* Keep the original pagelist until we know all the allocations + * have succeeded + */ + temp_pagelist = drm_alloc( (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + if (!temp_pagelist) { + drm_free( entry->buflist, + count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + drm_free( entry->seglist, + count * sizeof(*entry->seglist), + DRM_MEM_SEGS ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memcpy(temp_pagelist, + dma->pagelist, + dma->page_count * sizeof(*dma->pagelist)); + DRM_DEBUG( "pagelist: %d entries\n", + dma->page_count + (count << page_order) ); + + entry->buf_size = size; + entry->page_order = page_order; + byte_count = 0; + page_count = 0; + + while ( entry->buf_count < count ) { + page = drm_alloc_pages( page_order, DRM_MEM_DMA ); + if ( !page ) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + entry->seg_count = count; + drm_cleanup_buf_error(dev, entry); + drm_free( temp_pagelist, + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + entry->seglist[entry->seg_count++] = page; + for ( i = 0 ; i < (1 << page_order) ; i++ ) { + DRM_DEBUG( "page %d @ 0x%08lx\n", + dma->page_count + page_count, + page + PAGE_SIZE * i ); + temp_pagelist[dma->page_count + page_count++] + = page + PAGE_SIZE * i; + } + for ( offset = 0 ; + offset + size <= total && entry->buf_count < count ; + offset += alignment, ++entry->buf_count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + buf->offset = (dma->byte_count + byte_count + offset); + buf->address = (void *)(page + offset); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->filp = NULL; + + buf->dev_priv_size = dev->driver->dev_priv_size; + buf->dev_private = drm_alloc( buf->dev_priv_size, + DRM_MEM_BUFS ); + if(!buf->dev_private) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + entry->seg_count = count; + drm_cleanup_buf_error(dev,entry); + drm_free( temp_pagelist, + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( buf->dev_private, 0, buf->dev_priv_size ); + + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + } + byte_count += PAGE_SIZE << page_order; + } + + temp_buflist = drm_realloc( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + if (!temp_buflist) { + /* Free the entry because it isn't valid */ + drm_cleanup_buf_error(dev,entry); + drm_free( temp_pagelist, + (dma->page_count + (count << page_order)) + * sizeof(*dma->pagelist), + DRM_MEM_PAGES ); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + dma->buflist = temp_buflist; + + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + /* No allocations failed, so now we can replace the orginal pagelist + * with the new one. + */ + if (dma->page_count) { + drm_free(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); + } + dma->pagelist = temp_pagelist; + + dma->buf_count += entry->buf_count; + dma->seg_count += entry->seg_count; + dma->page_count += entry->seg_count << page_order; + dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order); + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + atomic_dec( &dev->buf_alloc ); + return 0; + +} + +int drm_addbufs_sg( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t __user *argp = (void __user *)arg; + drm_buf_desc_t request; + drm_buf_entry_t *entry; + drm_buf_t *buf; + unsigned long offset; + unsigned long agp_offset; + int count; + int order; + int size; + int alignment; + int page_order; + int total; + int byte_count; + int i; + drm_buf_t **temp_buflist; + + if (!drm_core_check_feature(dev, DRIVER_SG)) return -EINVAL; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + count = request.count; + order = drm_order( request.size ); + size = 1 << order; + + alignment = (request.flags & _DRM_PAGE_ALIGN) + ? PAGE_ALIGN(size) : size; + page_order = order - PAGE_SHIFT > 0 ? order - PAGE_SHIFT : 0; + total = PAGE_SIZE << page_order; + + byte_count = 0; + agp_offset = request.agp_start; + + DRM_DEBUG( "count: %d\n", count ); + DRM_DEBUG( "order: %d\n", order ); + DRM_DEBUG( "size: %d\n", size ); + DRM_DEBUG( "agp_offset: %lu\n", agp_offset ); + DRM_DEBUG( "alignment: %d\n", alignment ); + DRM_DEBUG( "page_order: %d\n", page_order ); + DRM_DEBUG( "total: %d\n", total ); + + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + if ( dev->queue_count ) return -EBUSY; /* Not while in use */ + + spin_lock( &dev->count_lock ); + if ( dev->buf_use ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + atomic_inc( &dev->buf_alloc ); + spin_unlock( &dev->count_lock ); + + down( &dev->struct_sem ); + entry = &dma->bufs[order]; + if ( entry->buf_count ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; /* May only call once for each order */ + } + + if (count < 0 || count > 4096) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -EINVAL; + } + + entry->buflist = drm_alloc( count * sizeof(*entry->buflist), + DRM_MEM_BUFS ); + if ( !entry->buflist ) { + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + memset( entry->buflist, 0, count * sizeof(*entry->buflist) ); + + entry->buf_size = size; + entry->page_order = page_order; + + offset = 0; + + while ( entry->buf_count < count ) { + buf = &entry->buflist[entry->buf_count]; + buf->idx = dma->buf_count + entry->buf_count; + buf->total = alignment; + buf->order = order; + buf->used = 0; + + buf->offset = (dma->byte_count + offset); + buf->bus_address = agp_offset + offset; + buf->address = (void *)(agp_offset + offset + dev->sg->handle); + buf->next = NULL; + buf->waiting = 0; + buf->pending = 0; + init_waitqueue_head( &buf->dma_wait ); + buf->filp = NULL; + + buf->dev_priv_size = dev->driver->dev_priv_size; + buf->dev_private = drm_alloc( buf->dev_priv_size, + DRM_MEM_BUFS ); + if(!buf->dev_private) { + /* Set count correctly so we free the proper amount. */ + entry->buf_count = count; + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + + memset( buf->dev_private, 0, buf->dev_priv_size ); + + DRM_DEBUG( "buffer %d @ %p\n", + entry->buf_count, buf->address ); + + offset += alignment; + entry->buf_count++; + byte_count += PAGE_SIZE << page_order; + } + + DRM_DEBUG( "byte_count: %d\n", byte_count ); + + temp_buflist = drm_realloc( dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + (dma->buf_count + entry->buf_count) + * sizeof(*dma->buflist), + DRM_MEM_BUFS ); + if(!temp_buflist) { + /* Free the entry because it isn't valid */ + drm_cleanup_buf_error(dev,entry); + up( &dev->struct_sem ); + atomic_dec( &dev->buf_alloc ); + return -ENOMEM; + } + dma->buflist = temp_buflist; + + for ( i = 0 ; i < entry->buf_count ; i++ ) { + dma->buflist[i + dma->buf_count] = &entry->buflist[i]; + } + + dma->buf_count += entry->buf_count; + dma->byte_count += byte_count; + + DRM_DEBUG( "dma->buf_count : %d\n", dma->buf_count ); + DRM_DEBUG( "entry->buf_count : %d\n", entry->buf_count ); + + up( &dev->struct_sem ); + + request.count = entry->buf_count; + request.size = size; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + dma->flags = _DRM_DMA_USE_SG; + + atomic_dec( &dev->buf_alloc ); + return 0; +} + +/** + * Add buffers for DMA transfers (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_desc_t request. + * \return zero on success or a negative number on failure. + * + * According with the memory type specified in drm_buf_desc::flags and the + * build options, it dispatches the call either to addbufs_agp(), + * addbufs_sg() or addbufs_pci() for AGP, scatter-gather or consistent + * PCI memory respectively. + */ +int drm_addbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_buf_desc_t request; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( copy_from_user( &request, (drm_buf_desc_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + +#if __OS_HAS_AGP + if ( request.flags & _DRM_AGP_BUFFER ) + return drm_addbufs_agp( inode, filp, cmd, arg ); + else +#endif + if ( request.flags & _DRM_SG_BUFFER ) + return drm_addbufs_sg( inode, filp, cmd, arg ); + else + return drm_addbufs_pci( inode, filp, cmd, arg ); +} + + +/** + * Get information about the buffer mappings. + * + * This was originally mean for debugging purposes, or by a sophisticated + * client library to determine how best to use the available buffers (e.g., + * large buffers can be used for image transfer). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_info structure. + * \return zero on success or a negative number on failure. + * + * Increments drm_device::buf_use while holding the drm_device::count_lock + * lock, preventing of allocating more buffers after this call. Information + * about each requested buffer is then copied into user space. + */ +int drm_infobufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_info_t request; + drm_buf_info_t __user *argp = (void __user *)arg; + int i; + int count; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + ++dev->buf_use; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) ++count; + } + + DRM_DEBUG( "count = %d\n", count ); + + if ( request.count >= count ) { + for ( i = 0, count = 0 ; i < DRM_MAX_ORDER + 1 ; i++ ) { + if ( dma->bufs[i].buf_count ) { + drm_buf_desc_t __user *to = &request.list[count]; + drm_buf_entry_t *from = &dma->bufs[i]; + drm_freelist_t *list = &dma->bufs[i].freelist; + if ( copy_to_user( &to->count, + &from->buf_count, + sizeof(from->buf_count) ) || + copy_to_user( &to->size, + &from->buf_size, + sizeof(from->buf_size) ) || + copy_to_user( &to->low_mark, + &list->low_mark, + sizeof(list->low_mark) ) || + copy_to_user( &to->high_mark, + &list->high_mark, + sizeof(list->high_mark) ) ) + return -EFAULT; + + DRM_DEBUG( "%d %d %d %d %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].buf_size, + dma->bufs[i].freelist.low_mark, + dma->bufs[i].freelist.high_mark ); + ++count; + } + } + } + request.count = count; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + return 0; +} + +/** + * Specifies a low and high water mark for buffer allocation + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg a pointer to a drm_buf_desc structure. + * \return zero on success or a negative number on failure. + * + * Verifies that the size order is bounded between the admissible orders and + * updates the respective drm_device_dma::bufs entry low and high water mark. + * + * \note This ioctl is deprecated and mostly never used. + */ +int drm_markbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_desc_t request; + int order; + drm_buf_entry_t *entry; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_desc_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d, %d, %d\n", + request.size, request.low_mark, request.high_mark ); + order = drm_order( request.size ); + if ( order < DRM_MIN_ORDER || order > DRM_MAX_ORDER ) return -EINVAL; + entry = &dma->bufs[order]; + + if ( request.low_mark < 0 || request.low_mark > entry->buf_count ) + return -EINVAL; + if ( request.high_mark < 0 || request.high_mark > entry->buf_count ) + return -EINVAL; + + entry->freelist.low_mark = request.low_mark; + entry->freelist.high_mark = request.high_mark; + + return 0; +} + +/** + * Unreserve the buffers in list, previously reserved using drmDMA. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_free structure. + * \return zero on success or a negative number on failure. + * + * Calls free_buffer() for each used buffer. + * This function is primarily used for debugging. + */ +int drm_freebufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_free_t request; + int i; + int idx; + drm_buf_t *buf; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + if ( copy_from_user( &request, + (drm_buf_free_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", request.count ); + for ( i = 0 ; i < request.count ; i++ ) { + if ( copy_from_user( &idx, + &request.list[i], + sizeof(idx) ) ) + return -EFAULT; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "Index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + return -EINVAL; + } + buf = dma->buflist[idx]; + if ( buf->filp != filp ) { + DRM_ERROR( "Process %d freeing buffer not owned\n", + current->pid ); + return -EINVAL; + } + drm_free_buffer( dev, buf ); + } + + return 0; +} + +/** + * Maps all of the DMA buffers into client-virtual space (ioctl). + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg pointer to a drm_buf_map structure. + * \return zero on success or a negative number on failure. + * + * Maps the AGP or SG buffer region with do_mmap(), and copies information + * about each buffer into user space. The PCI buffers are already mapped on the + * addbufs_pci() call. + */ +int drm_mapbufs( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_buf_map_t __user *argp = (void __user *)arg; + int retcode = 0; + const int zero = 0; + unsigned long virtual; + unsigned long address; + drm_buf_map_t request; + int i; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + return -EINVAL; + + if ( !dma ) return -EINVAL; + + spin_lock( &dev->count_lock ); + if ( atomic_read( &dev->buf_alloc ) ) { + spin_unlock( &dev->count_lock ); + return -EBUSY; + } + dev->buf_use++; /* Can't allocate more after this call */ + spin_unlock( &dev->count_lock ); + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + if ( request.count >= dma->buf_count ) { + if ((drm_core_has_AGP(dev) && (dma->flags & _DRM_DMA_USE_AGP)) || + (drm_core_check_feature(dev, DRIVER_SG) && (dma->flags & _DRM_DMA_USE_SG)) ) { + drm_map_t *map = dev->agp_buffer_map; + + if ( !map ) { + retcode = -EINVAL; + goto done; + } + +#if LINUX_VERSION_CODE <= 0x020402 + down( ¤t->mm->mmap_sem ); +#else + down_write( ¤t->mm->mmap_sem ); +#endif + virtual = do_mmap( filp, 0, map->size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + (unsigned long)map->offset ); +#if LINUX_VERSION_CODE <= 0x020402 + up( ¤t->mm->mmap_sem ); +#else + up_write( ¤t->mm->mmap_sem ); +#endif + } else { +#if LINUX_VERSION_CODE <= 0x020402 + down( ¤t->mm->mmap_sem ); +#else + down_write( ¤t->mm->mmap_sem ); +#endif + virtual = do_mmap( filp, 0, dma->byte_count, + PROT_READ | PROT_WRITE, + MAP_SHARED, 0 ); +#if LINUX_VERSION_CODE <= 0x020402 + up( ¤t->mm->mmap_sem ); +#else + up_write( ¤t->mm->mmap_sem ); +#endif + } + if ( virtual > -1024UL ) { + /* Real error */ + retcode = (signed long)virtual; + goto done; + } + request.virtual = (void __user *)virtual; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + if ( copy_to_user( &request.list[i].idx, + &dma->buflist[i]->idx, + sizeof(request.list[0].idx) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].total, + &dma->buflist[i]->total, + sizeof(request.list[0].total) ) ) { + retcode = -EFAULT; + goto done; + } + if ( copy_to_user( &request.list[i].used, + &zero, + sizeof(zero) ) ) { + retcode = -EFAULT; + goto done; + } + address = virtual + dma->buflist[i]->offset; /* *** */ + if ( copy_to_user( &request.list[i].address, + &address, + sizeof(address) ) ) { + retcode = -EFAULT; + goto done; + } + } + } + done: + request.count = dma->buf_count; + DRM_DEBUG( "%d buffers, retcode = %d\n", request.count, retcode ); + + if ( copy_to_user( argp, &request, sizeof(request) ) ) + return -EFAULT; + + return retcode; +} + diff --git a/drivers/char/drm/drm_context.c b/drivers/char/drm/drm_context.c new file mode 100644 index 0000000..f15c86c --- /dev/null +++ b/drivers/char/drm/drm_context.c @@ -0,0 +1,578 @@ +/** + * \file drm_context.h + * IOCTLs for generic contexts + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * ChangeLog: + * 2001-11-16 Torsten Duwe <duwe@caldera.de> + * added context constructor/destructor hooks, + * needed by SiS driver's memory management. + */ + +#include "drmP.h" + +/******************************************************************/ +/** \name Context bitmap support */ +/*@{*/ + +/** + * Free a handle from the context bitmap. + * + * \param dev DRM device. + * \param ctx_handle context handle. + * + * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry + * in drm_device::context_sareas, while holding the drm_device::struct_sem + * lock. + */ +void drm_ctxbitmap_free( drm_device_t *dev, int ctx_handle ) +{ + if ( ctx_handle < 0 ) goto failed; + if ( !dev->ctx_bitmap ) goto failed; + + if ( ctx_handle < DRM_MAX_CTXBITMAP ) { + down(&dev->struct_sem); + clear_bit( ctx_handle, dev->ctx_bitmap ); + dev->context_sareas[ctx_handle] = NULL; + up(&dev->struct_sem); + return; + } +failed: + DRM_ERROR( "Attempt to free invalid context handle: %d\n", + ctx_handle ); + return; +} + +/** + * Context bitmap allocation. + * + * \param dev DRM device. + * \return (non-negative) context handle on success or a negative number on failure. + * + * Find the first zero bit in drm_device::ctx_bitmap and (re)allocates + * drm_device::context_sareas to accommodate the new entry while holding the + * drm_device::struct_sem lock. + */ +int drm_ctxbitmap_next( drm_device_t *dev ) +{ + int bit; + + if(!dev->ctx_bitmap) return -1; + + down(&dev->struct_sem); + bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP ); + if ( bit < DRM_MAX_CTXBITMAP ) { + set_bit( bit, dev->ctx_bitmap ); + DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit ); + if((bit+1) > dev->max_context) { + dev->max_context = (bit+1); + if(dev->context_sareas) { + drm_map_t **ctx_sareas; + + ctx_sareas = drm_realloc(dev->context_sareas, + (dev->max_context - 1) * + sizeof(*dev->context_sareas), + dev->max_context * + sizeof(*dev->context_sareas), + DRM_MEM_MAPS); + if(!ctx_sareas) { + clear_bit(bit, dev->ctx_bitmap); + up(&dev->struct_sem); + return -1; + } + dev->context_sareas = ctx_sareas; + dev->context_sareas[bit] = NULL; + } else { + /* max_context == 1 at this point */ + dev->context_sareas = drm_alloc( + dev->max_context * + sizeof(*dev->context_sareas), + DRM_MEM_MAPS); + if(!dev->context_sareas) { + clear_bit(bit, dev->ctx_bitmap); + up(&dev->struct_sem); + return -1; + } + dev->context_sareas[bit] = NULL; + } + } + up(&dev->struct_sem); + return bit; + } + up(&dev->struct_sem); + return -1; +} + +/** + * Context bitmap initialization. + * + * \param dev DRM device. + * + * Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding + * the drm_device::struct_sem lock. + */ +int drm_ctxbitmap_init( drm_device_t *dev ) +{ + int i; + int temp; + + down(&dev->struct_sem); + dev->ctx_bitmap = (unsigned long *) drm_alloc( PAGE_SIZE, + DRM_MEM_CTXBITMAP ); + if ( dev->ctx_bitmap == NULL ) { + up(&dev->struct_sem); + return -ENOMEM; + } + memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE ); + dev->context_sareas = NULL; + dev->max_context = -1; + up(&dev->struct_sem); + + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + temp = drm_ctxbitmap_next( dev ); + DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp ); + } + + return 0; +} + +/** + * Context bitmap cleanup. + * + * \param dev DRM device. + * + * Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding + * the drm_device::struct_sem lock. + */ +void drm_ctxbitmap_cleanup( drm_device_t *dev ) +{ + down(&dev->struct_sem); + if( dev->context_sareas ) drm_free( dev->context_sareas, + sizeof(*dev->context_sareas) * + dev->max_context, + DRM_MEM_MAPS ); + drm_free( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP ); + up(&dev->struct_sem); +} + +/*@}*/ + +/******************************************************************/ +/** \name Per Context SAREA Support */ +/*@{*/ + +/** + * Get per-context SAREA. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx_priv_map structure. + * \return zero on success or a negative number on failure. + * + * Gets the map from drm_device::context_sareas with the handle specified and + * returns its handle. + */ +int drm_getsareactx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ctx_priv_map_t __user *argp = (void __user *)arg; + drm_ctx_priv_map_t request; + drm_map_t *map; + + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + + down(&dev->struct_sem); + if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) { + up(&dev->struct_sem); + return -EINVAL; + } + + map = dev->context_sareas[request.ctx_id]; + up(&dev->struct_sem); + + request.handle = map->handle; + if (copy_to_user(argp, &request, sizeof(request))) + return -EFAULT; + return 0; +} + +/** + * Set per-context SAREA. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx_priv_map structure. + * \return zero on success or a negative number on failure. + * + * Searches the mapping specified in \p arg and update the entry in + * drm_device::context_sareas with it. + */ +int drm_setsareactx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ctx_priv_map_t request; + drm_map_t *map = NULL; + drm_map_list_t *r_list = NULL; + struct list_head *list; + + if (copy_from_user(&request, + (drm_ctx_priv_map_t __user *)arg, + sizeof(request))) + return -EFAULT; + + down(&dev->struct_sem); + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + if(r_list->map && + r_list->map->handle == request.handle) + goto found; + } +bad: + up(&dev->struct_sem); + return -EINVAL; + +found: + map = r_list->map; + if (!map) goto bad; + if (dev->max_context < 0) + goto bad; + if (request.ctx_id >= (unsigned) dev->max_context) + goto bad; + dev->context_sareas[request.ctx_id] = map; + up(&dev->struct_sem); + return 0; +} + +/*@}*/ + +/******************************************************************/ +/** \name The actual DRM context handling routines */ +/*@{*/ + +/** + * Switch context. + * + * \param dev DRM device. + * \param old old context handle. + * \param new new context handle. + * \return zero on success or a negative number on failure. + * + * Attempt to set drm_device::context_flag. + */ +int drm_context_switch( drm_device_t *dev, int old, int new ) +{ + if ( test_and_set_bit( 0, &dev->context_flag ) ) { + DRM_ERROR( "Reentering -- FIXME\n" ); + return -EBUSY; + } + + + DRM_DEBUG( "Context switch from %d to %d\n", old, new ); + + if ( new == dev->last_context ) { + clear_bit( 0, &dev->context_flag ); + return 0; + } + + return 0; +} + +/** + * Complete context switch. + * + * \param dev DRM device. + * \param new new context handle. + * \return zero on success or a negative number on failure. + * + * Updates drm_device::last_context and drm_device::last_switch. Verifies the + * hardware lock is held, clears the drm_device::context_flag and wakes up + * drm_device::context_wait. + */ +int drm_context_switch_complete( drm_device_t *dev, int new ) +{ + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) { + DRM_ERROR( "Lock isn't held after context switch\n" ); + } + + /* If a context switch is ever initiated + when the kernel holds the lock, release + that lock here. */ + clear_bit( 0, &dev->context_flag ); + wake_up( &dev->context_wait ); + + return 0; +} + +/** + * Reserve contexts. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx_res structure. + * \return zero on success or a negative number on failure. + */ +int drm_resctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_res_t res; + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + int i; + + if ( copy_from_user( &res, argp, sizeof(res) ) ) + return -EFAULT; + + if ( res.count >= DRM_RESERVED_CONTEXTS ) { + memset( &ctx, 0, sizeof(ctx) ); + for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) { + ctx.handle = i; + if ( copy_to_user( &res.contexts[i], + &i, sizeof(i) ) ) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + + if ( copy_to_user( argp, &res, sizeof(res) ) ) + return -EFAULT; + return 0; +} + +/** + * Add context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * Get a new handle for the context and copy to userspace. + */ +int drm_addctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ctx_list_t * ctx_entry; + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, argp, sizeof(ctx) ) ) + return -EFAULT; + + ctx.handle = drm_ctxbitmap_next( dev ); + if ( ctx.handle == DRM_KERNEL_CONTEXT ) { + /* Skip kernel's context and get a new one. */ + ctx.handle = drm_ctxbitmap_next( dev ); + } + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == -1 ) { + DRM_DEBUG( "Not enough free contexts.\n" ); + /* Should this return -EBUSY instead? */ + return -ENOMEM; + } + + if ( ctx.handle != DRM_KERNEL_CONTEXT ) + { + if (dev->driver->context_ctor) + dev->driver->context_ctor(dev, ctx.handle); + } + + ctx_entry = drm_alloc( sizeof(*ctx_entry), DRM_MEM_CTXLIST ); + if ( !ctx_entry ) { + DRM_DEBUG("out of memory\n"); + return -ENOMEM; + } + + INIT_LIST_HEAD( &ctx_entry->head ); + ctx_entry->handle = ctx.handle; + ctx_entry->tag = priv; + + down( &dev->ctxlist_sem ); + list_add( &ctx_entry->head, &dev->ctxlist->head ); + ++dev->ctx_count; + up( &dev->ctxlist_sem ); + + if ( copy_to_user( argp, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +int drm_modctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + /* This does nothing */ + return 0; +} + +/** + * Get context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + */ +int drm_getctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, argp, sizeof(ctx) ) ) + return -EFAULT; + + /* This is 0, because we don't handle any context flags */ + ctx.flags = 0; + + if ( copy_to_user( argp, &ctx, sizeof(ctx) ) ) + return -EFAULT; + return 0; +} + +/** + * Switch context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * Calls context_switch(). + */ +int drm_switchctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + return drm_context_switch( dev, dev->last_context, ctx.handle ); +} + +/** + * New context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * Calls context_switch_complete(). + */ +int drm_newctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + drm_context_switch_complete( dev, ctx.handle ); + + return 0; +} + +/** + * Remove context. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument pointing to a drm_ctx structure. + * \return zero on success or a negative number on failure. + * + * If not the special kernel context, calls ctxbitmap_free() to free the specified context. + */ +int drm_rmctx( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ctx_t ctx; + + if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) ) + return -EFAULT; + + DRM_DEBUG( "%d\n", ctx.handle ); + if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) { + priv->remove_auth_on_close = 1; + } + if ( ctx.handle != DRM_KERNEL_CONTEXT ) { + if (dev->driver->context_dtor) + dev->driver->context_dtor(dev, ctx.handle); + drm_ctxbitmap_free( dev, ctx.handle ); + } + + down( &dev->ctxlist_sem ); + if ( !list_empty( &dev->ctxlist->head ) ) { + drm_ctx_list_t *pos, *n; + + list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) { + if ( pos->handle == ctx.handle ) { + list_del( &pos->head ); + drm_free( pos, sizeof(*pos), DRM_MEM_CTXLIST ); + --dev->ctx_count; + } + } + } + up( &dev->ctxlist_sem ); + + return 0; +} + +/*@}*/ + diff --git a/drivers/char/drm/drm_core.h b/drivers/char/drm/drm_core.h new file mode 100644 index 0000000..cc97bb9 --- /dev/null +++ b/drivers/char/drm/drm_core.h @@ -0,0 +1,34 @@ +/* + * Copyright 2004 Jon Smirl <jonsmirl@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sub license, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#define CORE_AUTHOR "Gareth Hughes, Leif Delgass, José Fonseca, Jon Smirl" + +#define CORE_NAME "drm" +#define CORE_DESC "DRM shared core routines" +#define CORE_DATE "20040925" + +#define DRM_IF_MAJOR 1 +#define DRM_IF_MINOR 2 + +#define CORE_MAJOR 1 +#define CORE_MINOR 0 +#define CORE_PATCHLEVEL 0 diff --git a/drivers/char/drm/drm_dma.c b/drivers/char/drm/drm_dma.c new file mode 100644 index 0000000..4a28c05 --- /dev/null +++ b/drivers/char/drm/drm_dma.c @@ -0,0 +1,180 @@ +/** + * \file drm_dma.h + * DMA IOCTL and function support + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Initialize the DMA data. + * + * \param dev DRM device. + * \return zero on success or a negative value on failure. + * + * Allocate and initialize a drm_device_dma structure. + */ +int drm_dma_setup( drm_device_t *dev ) +{ + int i; + + dev->dma = drm_alloc( sizeof(*dev->dma), DRM_MEM_DRIVER ); + if ( !dev->dma ) + return -ENOMEM; + + memset( dev->dma, 0, sizeof(*dev->dma) ); + + for ( i = 0 ; i <= DRM_MAX_ORDER ; i++ ) + memset(&dev->dma->bufs[i], 0, sizeof(dev->dma->bufs[0])); + + return 0; +} + +/** + * Cleanup the DMA resources. + * + * \param dev DRM device. + * + * Free all pages associated with DMA buffers, the buffers and pages lists, and + * finally the the drm_device::dma structure itself. + */ +void drm_dma_takedown(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + int i, j; + + if (!dma) return; + + /* Clear dma buffers */ + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].seg_count) { + DRM_DEBUG("order %d: buf_count = %d," + " seg_count = %d\n", + i, + dma->bufs[i].buf_count, + dma->bufs[i].seg_count); + for (j = 0; j < dma->bufs[i].seg_count; j++) { + if (dma->bufs[i].seglist[j]) { + drm_free_pages(dma->bufs[i].seglist[j], + dma->bufs[i].page_order, + DRM_MEM_DMA); + } + } + drm_free(dma->bufs[i].seglist, + dma->bufs[i].seg_count + * sizeof(*dma->bufs[0].seglist), + DRM_MEM_SEGS); + } + if (dma->bufs[i].buf_count) { + for (j = 0; j < dma->bufs[i].buf_count; j++) { + if (dma->bufs[i].buflist[j].dev_private) { + drm_free(dma->bufs[i].buflist[j].dev_private, + dma->bufs[i].buflist[j].dev_priv_size, + DRM_MEM_BUFS); + } + } + drm_free(dma->bufs[i].buflist, + dma->bufs[i].buf_count * + sizeof(*dma->bufs[0].buflist), + DRM_MEM_BUFS); + } + } + + if (dma->buflist) { + drm_free(dma->buflist, + dma->buf_count * sizeof(*dma->buflist), + DRM_MEM_BUFS); + } + + if (dma->pagelist) { + drm_free(dma->pagelist, + dma->page_count * sizeof(*dma->pagelist), + DRM_MEM_PAGES); + } + drm_free(dev->dma, sizeof(*dev->dma), DRM_MEM_DRIVER); + dev->dma = NULL; +} + + +/** + * Free a buffer. + * + * \param dev DRM device. + * \param buf buffer to free. + * + * Resets the fields of \p buf. + */ +void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf) +{ + if (!buf) return; + + buf->waiting = 0; + buf->pending = 0; + buf->filp = NULL; + buf->used = 0; + + if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && waitqueue_active(&buf->dma_wait)) { + wake_up_interruptible(&buf->dma_wait); + } +} + +/** + * Reclaim the buffers. + * + * \param filp file pointer. + * + * Frees each buffer associated with \p filp not already on the hardware. + */ +void drm_core_reclaim_buffers(drm_device_t *dev, struct file *filp) +{ + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return; + for (i = 0; i < dma->buf_count; i++) { + if (dma->buflist[i]->filp == filp) { + switch (dma->buflist[i]->list) { + case DRM_LIST_NONE: + drm_free_buffer(dev, dma->buflist[i]); + break; + case DRM_LIST_WAIT: + dma->buflist[i]->list = DRM_LIST_RECLAIM; + break; + default: + /* Buffer already on hardware. */ + break; + } + } + } +} +EXPORT_SYMBOL(drm_core_reclaim_buffers); + diff --git a/drivers/char/drm/drm_drawable.c b/drivers/char/drm/drm_drawable.c new file mode 100644 index 0000000..e8e8e42 --- /dev/null +++ b/drivers/char/drm/drm_drawable.c @@ -0,0 +1,56 @@ +/** + * \file drm_drawable.h + * IOCTLs for drawables + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** No-op. */ +int drm_adddraw(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_draw_t draw; + + draw.handle = 0; /* NOOP */ + DRM_DEBUG("%d\n", draw.handle); + if (copy_to_user((drm_draw_t __user *)arg, &draw, sizeof(draw))) + return -EFAULT; + return 0; +} + +/** No-op. */ +int drm_rmdraw(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + return 0; /* NOOP */ +} diff --git a/drivers/char/drm/drm_drv.c b/drivers/char/drm/drm_drv.c new file mode 100644 index 0000000..1e37ed0 --- /dev/null +++ b/drivers/char/drm/drm_drv.c @@ -0,0 +1,531 @@ +/** + * \file drm_drv.h + * Generic driver template + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + * + * To use this template, you must at least define the following (samples + * given for the MGA driver): + * + * \code + * #define DRIVER_AUTHOR "VA Linux Systems, Inc." + * + * #define DRIVER_NAME "mga" + * #define DRIVER_DESC "Matrox G200/G400" + * #define DRIVER_DATE "20001127" + * + * #define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( mga_ioctls ) + * + * #define drm_x mga_##x + * \endcode + */ + +/* + * Created: Thu Nov 23 03:10:50 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include "drm_core.h" + +/** Ioctl table */ +drm_ioctl_desc_t drm_ioctls[] = { + [DRM_IOCTL_NR(DRM_IOCTL_VERSION)] = { drm_version, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE)] = { drm_getunique, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAGIC)] = { drm_getmagic, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_IRQ_BUSID)] = { drm_irq_by_busid, 0, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP)] = { drm_getmap, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CLIENT)] = { drm_getclient, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_STATS)] = { drm_getstats, 0, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SET_VERSION)] = { drm_setversion, 0, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_UNIQUE)] = { drm_setunique, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_BLOCK)] = { drm_noop, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNBLOCK)] = { drm_noop, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AUTH_MAGIC)] = { drm_authmagic, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_MAP)] = { drm_addmap, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_MAP)] = { drm_rmmap, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_SET_SAREA_CTX)] = { drm_setsareactx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_SAREA_CTX)] = { drm_getsareactx, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)] = { drm_addctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)] = { drm_rmctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)] = { drm_modctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)] = { drm_getctx, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)] = { drm_switchctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)] = { drm_newctx, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)] = { drm_resctx, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_DRAW)] = { drm_adddraw, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_RM_DRAW)] = { drm_rmdraw, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_LOCK)] = { drm_lock, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_UNLOCK)] = { drm_unlock, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_FINISH)] = { drm_noop, 1, 0 }, + + [DRM_IOCTL_NR(DRM_IOCTL_ADD_BUFS)] = { drm_addbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_MARK_BUFS)] = { drm_markbufs, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_INFO_BUFS)] = { drm_infobufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_MAP_BUFS)] = { drm_mapbufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_FREE_BUFS)] = { drm_freebufs, 1, 0 }, + /* The DRM_IOCTL_DMA ioctl should be defined by the driver. */ + + [DRM_IOCTL_NR(DRM_IOCTL_CONTROL)] = { drm_control, 1, 1 }, + +#if __OS_HAS_AGP + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE)] = { drm_agp_acquire, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_RELEASE)] = { drm_agp_release, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ENABLE)] = { drm_agp_enable, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_INFO)] = { drm_agp_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_ALLOC)] = { drm_agp_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_FREE)] = { drm_agp_free, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_BIND)] = { drm_agp_bind, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_AGP_UNBIND)] = { drm_agp_unbind, 1, 1 }, +#endif + + [DRM_IOCTL_NR(DRM_IOCTL_SG_ALLOC)] = { drm_sg_alloc, 1, 1 }, + [DRM_IOCTL_NR(DRM_IOCTL_SG_FREE)] = { drm_sg_free, 1, 1 }, + + [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK)] = { drm_wait_vblank, 0, 0 }, +}; + +#define DRIVER_IOCTL_COUNT DRM_ARRAY_SIZE( drm_ioctls ) + +/** + * Take down the DRM device. + * + * \param dev DRM device structure. + * + * Frees every resource in \p dev. + * + * \sa drm_device and setup(). + */ +int drm_takedown( drm_device_t *dev ) +{ + drm_magic_entry_t *pt, *next; + drm_map_t *map; + drm_map_list_t *r_list; + struct list_head *list, *list_next; + drm_vma_entry_t *vma, *vma_next; + int i; + + DRM_DEBUG( "\n" ); + + if (dev->driver->pretakedown) + dev->driver->pretakedown(dev); + + if (dev->unique) { + drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER); + dev->unique = NULL; + dev->unique_len = 0; + } + + if ( dev->irq_enabled ) drm_irq_uninstall( dev ); + + down( &dev->struct_sem ); + del_timer( &dev->timer ); + + /* Clear pid list */ + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + for ( pt = dev->magiclist[i].head ; pt ; pt = next ) { + next = pt->next; + drm_free( pt, sizeof(*pt), DRM_MEM_MAGIC ); + } + dev->magiclist[i].head = dev->magiclist[i].tail = NULL; + } + + /* Clear AGP information */ + if (drm_core_has_AGP(dev) && dev->agp) { + drm_agp_mem_t *entry; + drm_agp_mem_t *nexte; + + /* Remove AGP resources, but leave dev->agp + intact until drv_cleanup is called. */ + for ( entry = dev->agp->memory ; entry ; entry = nexte ) { + nexte = entry->next; + if ( entry->bound ) drm_unbind_agp( entry->memory ); + drm_free_agp( entry->memory, entry->pages ); + drm_free( entry, sizeof(*entry), DRM_MEM_AGPLISTS ); + } + dev->agp->memory = NULL; + + if ( dev->agp->acquired ) drm_agp_do_release(dev); + + dev->agp->acquired = 0; + dev->agp->enabled = 0; + } + + /* Clear vma list (only built for debugging) */ + if ( dev->vmalist ) { + for ( vma = dev->vmalist ; vma ; vma = vma_next ) { + vma_next = vma->next; + drm_free( vma, sizeof(*vma), DRM_MEM_VMAS ); + } + dev->vmalist = NULL; + } + + if( dev->maplist ) { + list_for_each_safe( list, list_next, &dev->maplist->head ) { + r_list = (drm_map_list_t *)list; + + if ( ( map = r_list->map ) ) { + switch ( map->type ) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: + if (drm_core_has_MTRR(dev)) { + if ( map->mtrr >= 0 ) { + int retcode; + retcode = mtrr_del( map->mtrr, + map->offset, + map->size ); + DRM_DEBUG( "mtrr_del=%d\n", retcode ); + } + } + drm_ioremapfree( map->handle, map->size, dev ); + break; + case _DRM_SHM: + vfree(map->handle); + break; + + case _DRM_AGP: + /* Do nothing here, because this is all + * handled in the AGP/GART driver. + */ + break; + case _DRM_SCATTER_GATHER: + /* Handle it */ + if (drm_core_check_feature(dev, DRIVER_SG) && dev->sg) { + drm_sg_cleanup(dev->sg); + dev->sg = NULL; + } + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + list_del( list ); + drm_free(r_list, sizeof(*r_list), DRM_MEM_MAPS); + } + drm_free(dev->maplist, sizeof(*dev->maplist), DRM_MEM_MAPS); + dev->maplist = NULL; + } + + if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist ) { + for ( i = 0 ; i < dev->queue_count ; i++ ) { + if ( dev->queuelist[i] ) { + drm_free( dev->queuelist[i], + sizeof(*dev->queuelist[0]), + DRM_MEM_QUEUES ); + dev->queuelist[i] = NULL; + } + } + drm_free( dev->queuelist, + dev->queue_slots * sizeof(*dev->queuelist), + DRM_MEM_QUEUES ); + dev->queuelist = NULL; + } + dev->queue_count = 0; + + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + drm_dma_takedown( dev ); + + if ( dev->lock.hw_lock ) { + dev->sigdata.lock = dev->lock.hw_lock = NULL; /* SHM removed */ + dev->lock.filp = NULL; + wake_up_interruptible( &dev->lock.lock_queue ); + } + up( &dev->struct_sem ); + + return 0; +} + + + +/** + * Module initialization. Called via init_module at module load time, or via + * linux/init/main.c (this is not currently supported). + * + * \return zero on success or a negative number on failure. + * + * Initializes an array of drm_device structures, and attempts to + * initialize all available devices, using consecutive minors, registering the + * stubs and initializing the AGP device. + * + * Expands the \c DRIVER_PREINIT and \c DRIVER_POST_INIT macros before and + * after the initialization for driver customization. + */ +int drm_init( struct drm_driver *driver ) +{ + struct pci_dev *pdev = NULL; + struct pci_device_id *pid; + int i; + + DRM_DEBUG( "\n" ); + + drm_mem_init(); + + for (i=0; driver->pci_driver.id_table[i].vendor != 0; i++) { + pid = (struct pci_device_id *)&driver->pci_driver.id_table[i]; + + pdev=NULL; + /* pass back in pdev to account for multiple identical cards */ + while ((pdev = pci_get_subsys(pid->vendor, pid->device, pid->subvendor, pid->subdevice, pdev)) != NULL) { + /* stealth mode requires a manual probe */ + pci_dev_get(pdev); + drm_get_dev(pdev, pid, driver); + } + } + return 0; +} +EXPORT_SYMBOL(drm_init); + +/** + * Called via cleanup_module() at module unload time. + * + * Cleans up all DRM device, calling takedown(). + * + * \sa drm_init(). + */ +static void drm_cleanup( drm_device_t *dev ) +{ + DRM_DEBUG( "\n" ); + + if (!dev) { + DRM_ERROR("cleanup called no dev\n"); + return; + } + + drm_takedown( dev ); + + drm_ctxbitmap_cleanup( dev ); + + if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) && + dev->agp && dev->agp->agp_mtrr >= 0) { + int retval; + retval = mtrr_del( dev->agp->agp_mtrr, + dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024 ); + DRM_DEBUG( "mtrr_del=%d\n", retval ); + } + + if (drm_core_has_AGP(dev) && dev->agp ) { + drm_free( dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS ); + dev->agp = NULL; + } + + if (dev->driver->postcleanup) + dev->driver->postcleanup(dev); + + drm_put_head(&dev->primary); + if ( drm_put_dev(dev) ) + DRM_ERROR( "Cannot unload module\n" ); +} + +void drm_exit (struct drm_driver *driver) +{ + int i; + drm_device_t *dev = NULL; + drm_head_t *head; + + DRM_DEBUG( "\n" ); + + for (i = 0; i < drm_cards_limit; i++) { + head = drm_heads[i]; + if (!head) + continue; + if (!head->dev) + continue; + if (head->dev->driver!=driver) + continue; + dev=head->dev; + } + if (dev) { + /* release the pci driver */ + if (dev->pdev) + pci_dev_put(dev->pdev); + drm_cleanup(dev); + } + DRM_INFO( "Module unloaded\n" ); +} +EXPORT_SYMBOL(drm_exit); + +/** File operations structure */ +static struct file_operations drm_stub_fops = { + .owner = THIS_MODULE, + .open = drm_stub_open +}; + +static int __init drm_core_init(void) +{ + int ret = -ENOMEM; + + drm_cards_limit = (drm_cards_limit < DRM_MAX_MINOR + 1 ? drm_cards_limit : DRM_MAX_MINOR + 1); + drm_heads = drm_calloc(drm_cards_limit, + sizeof(*drm_heads), DRM_MEM_STUB); + if(!drm_heads) + goto err_p1; + + if (register_chrdev(DRM_MAJOR, "drm", &drm_stub_fops)) + goto err_p1; + + drm_class = drm_sysfs_create(THIS_MODULE, "drm"); + if (IS_ERR(drm_class)) { + printk (KERN_ERR "DRM: Error creating drm class.\n"); + ret = PTR_ERR(drm_class); + goto err_p2; + } + + drm_proc_root = create_proc_entry("dri", S_IFDIR, NULL); + if (!drm_proc_root) { + DRM_ERROR("Cannot create /proc/dri\n"); + ret = -1; + goto err_p3; + } + + DRM_INFO( "Initialized %s %d.%d.%d %s\n", + CORE_NAME, CORE_MAJOR, CORE_MINOR, CORE_PATCHLEVEL, + CORE_DATE); + return 0; +err_p3: + drm_sysfs_destroy(drm_class); +err_p2: + unregister_chrdev(DRM_MAJOR, "drm"); + drm_free(drm_heads, sizeof(*drm_heads) * drm_cards_limit, DRM_MEM_STUB); +err_p1: + return ret; +} + +static void __exit drm_core_exit (void) +{ + remove_proc_entry("dri", NULL); + drm_sysfs_destroy(drm_class); + + unregister_chrdev(DRM_MAJOR, "drm"); + + drm_free(drm_heads, sizeof(*drm_heads) * + drm_cards_limit, DRM_MEM_STUB); +} + + +module_init( drm_core_init ); +module_exit( drm_core_exit ); + + +/** + * Get version information + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_version structure. + * \return zero on success or negative number on failure. + * + * Fills in the version information in \p arg. + */ +int drm_version( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_version_t __user *argp = (void __user *)arg; + drm_version_t version; + int ret; + + if ( copy_from_user( &version, argp, sizeof(version) ) ) + return -EFAULT; + + /* version is a required function to return the personality module version */ + if ((ret = dev->driver->version(&version))) + return ret; + + if ( copy_to_user( argp, &version, sizeof(version) ) ) + return -EFAULT; + return 0; +} + + + +/** + * Called whenever a process performs an ioctl on /dev/drm. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or negative number on failure. + * + * Looks up the ioctl function in the ::ioctls table, checking for root + * previleges if so required, and dispatches to the respective function. + */ +int drm_ioctl( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_ioctl_desc_t *ioctl; + drm_ioctl_t *func; + unsigned int nr = DRM_IOCTL_NR(cmd); + int retcode = -EINVAL; + + atomic_inc( &dev->ioctl_count ); + atomic_inc( &dev->counts[_DRM_STAT_IOCTLS] ); + ++priv->ioctl_count; + + DRM_DEBUG( "pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n", + current->pid, cmd, nr, (long)old_encode_dev(priv->head->device), + priv->authenticated ); + + if (nr < DRIVER_IOCTL_COUNT) + ioctl = &drm_ioctls[nr]; + else if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) + ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE]; + else + goto err_i1; + + func = ioctl->func; + /* is there a local override? */ + if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) + func = dev->driver->dma_ioctl; + + if ( !func ) { + DRM_DEBUG( "no function\n" ); + retcode = -EINVAL; + } else if ( ( ioctl->root_only && !capable( CAP_SYS_ADMIN ) )|| + ( ioctl->auth_needed && !priv->authenticated ) ) { + retcode = -EACCES; + } else { + retcode = func( inode, filp, cmd, arg ); + } + +err_i1: + atomic_dec( &dev->ioctl_count ); + if (retcode) DRM_DEBUG( "ret = %x\n", retcode); + return retcode; +} +EXPORT_SYMBOL(drm_ioctl); + diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c new file mode 100644 index 0000000..9067942 --- /dev/null +++ b/drivers/char/drm/drm_fops.c @@ -0,0 +1,451 @@ +/** + * \file drm_fops.h + * File operations for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Daryll Strauss <daryll@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include <linux/poll.h> + +static int drm_setup( drm_device_t *dev ) +{ + int i; + int ret; + + if (dev->driver->presetup) + { + ret=dev->driver->presetup(dev); + if (ret!=0) + return ret; + } + + atomic_set( &dev->ioctl_count, 0 ); + atomic_set( &dev->vma_count, 0 ); + dev->buf_use = 0; + atomic_set( &dev->buf_alloc, 0 ); + + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + { + i = drm_dma_setup( dev ); + if ( i < 0 ) + return i; + } + + for ( i = 0 ; i < DRM_ARRAY_SIZE(dev->counts) ; i++ ) + atomic_set( &dev->counts[i], 0 ); + + for ( i = 0 ; i < DRM_HASH_SIZE ; i++ ) { + dev->magiclist[i].head = NULL; + dev->magiclist[i].tail = NULL; + } + + dev->maplist = drm_alloc(sizeof(*dev->maplist), + DRM_MEM_MAPS); + if(dev->maplist == NULL) return -ENOMEM; + memset(dev->maplist, 0, sizeof(*dev->maplist)); + INIT_LIST_HEAD(&dev->maplist->head); + + dev->ctxlist = drm_alloc(sizeof(*dev->ctxlist), + DRM_MEM_CTXLIST); + if(dev->ctxlist == NULL) return -ENOMEM; + memset(dev->ctxlist, 0, sizeof(*dev->ctxlist)); + INIT_LIST_HEAD(&dev->ctxlist->head); + + dev->vmalist = NULL; + dev->sigdata.lock = dev->lock.hw_lock = NULL; + init_waitqueue_head( &dev->lock.lock_queue ); + dev->queue_count = 0; + dev->queue_reserved = 0; + dev->queue_slots = 0; + dev->queuelist = NULL; + dev->irq_enabled = 0; + dev->context_flag = 0; + dev->interrupt_flag = 0; + dev->dma_flag = 0; + dev->last_context = 0; + dev->last_switch = 0; + dev->last_checked = 0; + init_waitqueue_head( &dev->context_wait ); + dev->if_version = 0; + + dev->ctx_start = 0; + dev->lck_start = 0; + + dev->buf_rp = dev->buf; + dev->buf_wp = dev->buf; + dev->buf_end = dev->buf + DRM_BSZ; + dev->buf_async = NULL; + init_waitqueue_head( &dev->buf_readers ); + init_waitqueue_head( &dev->buf_writers ); + + DRM_DEBUG( "\n" ); + + /* + * The kernel's context could be created here, but is now created + * in drm_dma_enqueue. This is more resource-efficient for + * hardware that does not do DMA, but may mean that + * drm_select_queue fails between the time the interrupt is + * initialized and the time the queues are initialized. + */ + if (dev->driver->postsetup) + dev->driver->postsetup(dev); + + return 0; +} + +/** + * Open file. + * + * \param inode device inode + * \param filp file pointer. + * \return zero on success or a negative number on failure. + * + * Searches the DRM device with the same minor number, calls open_helper(), and + * increments the device open count. If the open count was previous at zero, + * i.e., it's the first that the device is open, then calls setup(). + */ +int drm_open( struct inode *inode, struct file *filp ) +{ + drm_device_t *dev = NULL; + int minor = iminor(inode); + int retcode = 0; + + if (!((minor >= 0) && (minor < drm_cards_limit))) + return -ENODEV; + + if (!drm_heads[minor]) + return -ENODEV; + + if (!(dev = drm_heads[minor]->dev)) + return -ENODEV; + + retcode = drm_open_helper( inode, filp, dev ); + if ( !retcode ) { + atomic_inc( &dev->counts[_DRM_STAT_OPENS] ); + spin_lock( &dev->count_lock ); + if ( !dev->open_count++ ) { + spin_unlock( &dev->count_lock ); + return drm_setup( dev ); + } + spin_unlock( &dev->count_lock ); + } + + return retcode; +} +EXPORT_SYMBOL(drm_open); + +/** + * Release file. + * + * \param inode device inode + * \param filp file pointer. + * \return zero on success or a negative number on failure. + * + * If the hardware lock is held then free it, and take it again for the kernel + * context since it's necessary to reclaim buffers. Unlink the file private + * data from its list and free it. Decreases the open count and if it reaches + * zero calls takedown(). + */ +int drm_release( struct inode *inode, struct file *filp ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + int retcode = 0; + + lock_kernel(); + dev = priv->head->dev; + + DRM_DEBUG( "open_count = %d\n", dev->open_count ); + + if (dev->driver->prerelease) + dev->driver->prerelease(dev, filp); + + /* ======================================================== + * Begin inline drm_release + */ + + DRM_DEBUG( "pid = %d, device = 0x%lx, open_count = %d\n", + current->pid, (long)old_encode_dev(priv->head->device), dev->open_count ); + + if ( priv->lock_count && dev->lock.hw_lock && + _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) && + dev->lock.filp == filp ) { + DRM_DEBUG( "File %p released, freeing lock for context %d\n", + filp, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + if (dev->driver->release) + dev->driver->release(dev, filp); + + drm_lock_free( dev, &dev->lock.hw_lock->lock, + _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock) ); + + /* FIXME: may require heavy-handed reset of + hardware at this point, possibly + processed via a callback to the X + server. */ + } + else if ( dev->driver->release && priv->lock_count && dev->lock.hw_lock ) { + /* The lock is required to reclaim buffers */ + DECLARE_WAITQUEUE( entry, current ); + + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + retcode = -EINTR; + break; + } + if ( drm_lock_take( &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + dev->lock.filp = filp; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + /* Contention */ + schedule(); + if ( signal_pending( current ) ) { + retcode = -ERESTARTSYS; + break; + } + } + __set_current_state(TASK_RUNNING); + remove_wait_queue( &dev->lock.lock_queue, &entry ); + if( !retcode ) { + if (dev->driver->release) + dev->driver->release(dev, filp); + drm_lock_free( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + } + } + + if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) + { + dev->driver->reclaim_buffers(dev, filp); + } + + drm_fasync( -1, filp, 0 ); + + down( &dev->ctxlist_sem ); + if ( !list_empty( &dev->ctxlist->head ) ) { + drm_ctx_list_t *pos, *n; + + list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) { + if ( pos->tag == priv && + pos->handle != DRM_KERNEL_CONTEXT ) { + if (dev->driver->context_dtor) + dev->driver->context_dtor(dev, pos->handle); + + drm_ctxbitmap_free( dev, pos->handle ); + + list_del( &pos->head ); + drm_free( pos, sizeof(*pos), DRM_MEM_CTXLIST ); + --dev->ctx_count; + } + } + } + up( &dev->ctxlist_sem ); + + down( &dev->struct_sem ); + if ( priv->remove_auth_on_close == 1 ) { + drm_file_t *temp = dev->file_first; + while ( temp ) { + temp->authenticated = 0; + temp = temp->next; + } + } + if ( priv->prev ) { + priv->prev->next = priv->next; + } else { + dev->file_first = priv->next; + } + if ( priv->next ) { + priv->next->prev = priv->prev; + } else { + dev->file_last = priv->prev; + } + up( &dev->struct_sem ); + + if (dev->driver->free_filp_priv) + dev->driver->free_filp_priv(dev, priv); + + drm_free( priv, sizeof(*priv), DRM_MEM_FILES ); + + /* ======================================================== + * End inline drm_release + */ + + atomic_inc( &dev->counts[_DRM_STAT_CLOSES] ); + spin_lock( &dev->count_lock ); + if ( !--dev->open_count ) { + if ( atomic_read( &dev->ioctl_count ) || dev->blocked ) { + DRM_ERROR( "Device busy: %d %d\n", + atomic_read( &dev->ioctl_count ), + dev->blocked ); + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return -EBUSY; + } + spin_unlock( &dev->count_lock ); + unlock_kernel(); + return drm_takedown( dev ); + } + spin_unlock( &dev->count_lock ); + + unlock_kernel(); + + return retcode; +} +EXPORT_SYMBOL(drm_release); + +/** + * Called whenever a process opens /dev/drm. + * + * \param inode device inode. + * \param filp file pointer. + * \param dev device. + * \return zero on success or a negative number on failure. + * + * Creates and initializes a drm_file structure for the file private data in \p + * filp and add it into the double linked list in \p dev. + */ +int drm_open_helper(struct inode *inode, struct file *filp, drm_device_t *dev) +{ + int minor = iminor(inode); + drm_file_t *priv; + int ret; + + if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ + if (!drm_cpu_valid()) return -EINVAL; + + DRM_DEBUG("pid = %d, minor = %d\n", current->pid, minor); + + priv = drm_alloc(sizeof(*priv), DRM_MEM_FILES); + if(!priv) return -ENOMEM; + + memset(priv, 0, sizeof(*priv)); + filp->private_data = priv; + priv->uid = current->euid; + priv->pid = current->pid; + priv->minor = minor; + priv->head = drm_heads[minor]; + priv->ioctl_count = 0; + priv->authenticated = capable(CAP_SYS_ADMIN); + priv->lock_count = 0; + + if (dev->driver->open_helper) { + ret=dev->driver->open_helper(dev, priv); + if (ret < 0) + goto out_free; + } + + down(&dev->struct_sem); + if (!dev->file_last) { + priv->next = NULL; + priv->prev = NULL; + dev->file_first = priv; + dev->file_last = priv; + } else { + priv->next = NULL; + priv->prev = dev->file_last; + dev->file_last->next = priv; + dev->file_last = priv; + } + up(&dev->struct_sem); + +#ifdef __alpha__ + /* + * Default the hose + */ + if (!dev->hose) { + struct pci_dev *pci_dev; + pci_dev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, NULL); + if (pci_dev) { + dev->hose = pci_dev->sysdata; + pci_dev_put(pci_dev); + } + if (!dev->hose) { + struct pci_bus *b = pci_bus_b(pci_root_buses.next); + if (b) dev->hose = b->sysdata; + } + } +#endif + + return 0; +out_free: + drm_free(priv, sizeof(*priv), DRM_MEM_FILES); + filp->private_data=NULL; + return ret; +} + +/** No-op. */ +int drm_flush(struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", + current->pid, (long)old_encode_dev(priv->head->device), dev->open_count); + return 0; +} +EXPORT_SYMBOL(drm_flush); + +/** No-op. */ +int drm_fasync(int fd, struct file *filp, int on) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + int retcode; + + DRM_DEBUG("fd = %d, device = 0x%lx\n", fd, (long)old_encode_dev(priv->head->device)); + retcode = fasync_helper(fd, filp, on, &dev->buf_async); + if (retcode < 0) return retcode; + return 0; +} +EXPORT_SYMBOL(drm_fasync); + +/** No-op. */ +unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) +{ + return 0; +} +EXPORT_SYMBOL(drm_poll); + + +/** No-op. */ +ssize_t drm_read(struct file *filp, char __user *buf, size_t count, loff_t *off) +{ + return 0; +} diff --git a/drivers/char/drm/drm_init.c b/drivers/char/drm/drm_init.c new file mode 100644 index 0000000..62883b7 --- /dev/null +++ b/drivers/char/drm/drm_init.c @@ -0,0 +1,52 @@ +/** + * \file drm_init.h + * Setup/Cleanup for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Check whether DRI will run on this CPU. + * + * \return non-zero if the DRI will run on this CPU, or zero otherwise. + */ +int drm_cpu_valid(void) +{ +#if defined(__i386__) + if (boot_cpu_data.x86 == 3) return 0; /* No cmpxchg on a 386 */ +#endif +#if defined(__sparc__) && !defined(__sparc_v9__) + return 0; /* No cmpxchg before v9 sparc. */ +#endif + return 1; +} diff --git a/drivers/char/drm/drm_ioctl.c b/drivers/char/drm/drm_ioctl.c new file mode 100644 index 0000000..39afda0 --- /dev/null +++ b/drivers/char/drm/drm_ioctl.c @@ -0,0 +1,370 @@ +/** + * \file drm_ioctl.h + * IOCTL processing for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#include "drm_core.h" + +#include "linux/pci.h" + +/** + * Get the bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_unique structure. + * \return zero on success or a negative number on failure. + * + * Copies the bus id from drm_device::unique into user space. + */ +int drm_getunique(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_unique_t __user *argp = (void __user *)arg; + drm_unique_t u; + + if (copy_from_user(&u, argp, sizeof(u))) + return -EFAULT; + if (u.unique_len >= dev->unique_len) { + if (copy_to_user(u.unique, dev->unique, dev->unique_len)) + return -EFAULT; + } + u.unique_len = dev->unique_len; + if (copy_to_user(argp, &u, sizeof(u))) + return -EFAULT; + return 0; +} + +/** + * Set the bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_unique structure. + * \return zero on success or a negative number on failure. + * + * Copies the bus id from userspace into drm_device::unique, and verifies that + * it matches the device this DRM is attached to (EINVAL otherwise). Deprecated + * in interface version 1.1 and will return EBUSY when setversion has requested + * version 1.1 or greater. + */ +int drm_setunique(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_unique_t u; + int domain, bus, slot, func, ret; + + if (dev->unique_len || dev->unique) return -EBUSY; + + if (copy_from_user(&u, (drm_unique_t __user *)arg, sizeof(u))) + return -EFAULT; + + if (!u.unique_len || u.unique_len > 1024) return -EINVAL; + + dev->unique_len = u.unique_len; + dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER); + if(!dev->unique) return -ENOMEM; + if (copy_from_user(dev->unique, u.unique, dev->unique_len)) + return -EFAULT; + + dev->unique[dev->unique_len] = '\0'; + + dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + strlen(dev->unique) + 2, + DRM_MEM_DRIVER); + if (!dev->devname) + return -ENOMEM; + + sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique); + + /* Return error if the busid submitted doesn't match the device's actual + * busid. + */ + ret = sscanf(dev->unique, "PCI:%d:%d:%d", &bus, &slot, &func); + if (ret != 3) + return DRM_ERR(EINVAL); + domain = bus >> 8; + bus &= 0xff; + + if ((domain != dev->pci_domain) || + (bus != dev->pci_bus) || + (slot != dev->pci_slot) || + (func != dev->pci_func)) + return -EINVAL; + + return 0; +} + +static int +drm_set_busid(drm_device_t *dev) +{ + if (dev->unique != NULL) + return EBUSY; + + dev->unique_len = 20; + dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER); + if (dev->unique == NULL) + return ENOMEM; + + snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d", + dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); + + dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len + 2, + DRM_MEM_DRIVER); + if (dev->devname == NULL) + return ENOMEM; + + sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique); + + return 0; +} + + +/** + * Get a mapping information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_map structure. + * + * \return zero on success or a negative number on failure. + * + * Searches for the mapping with the specified offset and copies its information + * into userspace + */ +int drm_getmap( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_map_t __user *argp = (void __user *)arg; + drm_map_t map; + drm_map_list_t *r_list = NULL; + struct list_head *list; + int idx; + int i; + + if (copy_from_user(&map, argp, sizeof(map))) + return -EFAULT; + idx = map.offset; + + down(&dev->struct_sem); + if (idx < 0) { + up(&dev->struct_sem); + return -EINVAL; + } + + i = 0; + list_for_each(list, &dev->maplist->head) { + if(i == idx) { + r_list = list_entry(list, drm_map_list_t, head); + break; + } + i++; + } + if(!r_list || !r_list->map) { + up(&dev->struct_sem); + return -EINVAL; + } + + map.offset = r_list->map->offset; + map.size = r_list->map->size; + map.type = r_list->map->type; + map.flags = r_list->map->flags; + map.handle = r_list->map->handle; + map.mtrr = r_list->map->mtrr; + up(&dev->struct_sem); + + if (copy_to_user(argp, &map, sizeof(map))) return -EFAULT; + return 0; +} + +/** + * Get client information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_client structure. + * + * \return zero on success or a negative number on failure. + * + * Searches for the client with the specified index and copies its information + * into userspace + */ +int drm_getclient( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_client_t __user *argp = (void __user *)arg; + drm_client_t client; + drm_file_t *pt; + int idx; + int i; + + if (copy_from_user(&client, argp, sizeof(client))) + return -EFAULT; + idx = client.idx; + down(&dev->struct_sem); + for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) + ; + + if (!pt) { + up(&dev->struct_sem); + return -EINVAL; + } + client.auth = pt->authenticated; + client.pid = pt->pid; + client.uid = pt->uid; + client.magic = pt->magic; + client.iocs = pt->ioctl_count; + up(&dev->struct_sem); + + if (copy_to_user((drm_client_t __user *)arg, &client, sizeof(client))) + return -EFAULT; + return 0; +} + +/** + * Get statistics information. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_stats structure. + * + * \return zero on success or a negative number on failure. + */ +int drm_getstats( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_stats_t stats; + int i; + + memset(&stats, 0, sizeof(stats)); + + down(&dev->struct_sem); + + for (i = 0; i < dev->counters; i++) { + if (dev->types[i] == _DRM_STAT_LOCK) + stats.data[i].value + = (dev->lock.hw_lock + ? dev->lock.hw_lock->lock : 0); + else + stats.data[i].value = atomic_read(&dev->counts[i]); + stats.data[i].type = dev->types[i]; + } + + stats.count = dev->counters; + + up(&dev->struct_sem); + + if (copy_to_user((drm_stats_t __user *)arg, &stats, sizeof(stats))) + return -EFAULT; + return 0; +} + +/** + * Setversion ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_lock structure. + * \return zero on success or negative number on failure. + * + * Sets the requested interface version + */ +int drm_setversion(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_set_version_t sv; + drm_set_version_t retv; + int if_version; + drm_set_version_t __user *argp = (void __user *)data; + drm_version_t version; + + DRM_COPY_FROM_USER_IOCTL(sv, argp, sizeof(sv)); + + memset(&version, 0, sizeof(version)); + + dev->driver->version(&version); + retv.drm_di_major = DRM_IF_MAJOR; + retv.drm_di_minor = DRM_IF_MINOR; + retv.drm_dd_major = version.version_major; + retv.drm_dd_minor = version.version_minor; + + DRM_COPY_TO_USER_IOCTL(argp, retv, sizeof(sv)); + + if (sv.drm_di_major != -1) { + if (sv.drm_di_major != DRM_IF_MAJOR || + sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) + return EINVAL; + if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); + dev->if_version = DRM_MAX(if_version, dev->if_version); + if (sv.drm_di_minor >= 1) { + /* + * Version 1.1 includes tying of DRM to specific device + */ + drm_set_busid(dev); + } + } + + if (sv.drm_dd_major != -1) { + if (sv.drm_dd_major != version.version_major || + sv.drm_dd_minor < 0 || sv.drm_dd_minor > version.version_minor) + return EINVAL; + + if (dev->driver->set_version) + dev->driver->set_version(dev, &sv); + } + return 0; +} + +/** No-op ioctl. */ +int drm_noop(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + DRM_DEBUG("\n"); + return 0; +} diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c new file mode 100644 index 0000000..2e236eb --- /dev/null +++ b/drivers/char/drm/drm_irq.c @@ -0,0 +1,370 @@ +/** + * \file drm_irq.h + * IRQ support + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +#include <linux/interrupt.h> /* For task queue support */ + +/** + * Get interrupt from bus id. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_irq_busid structure. + * \return zero on success or a negative number on failure. + * + * Finds the PCI device with the specified bus id and gets its IRQ number. + * This IOCTL is deprecated, and will now return EINVAL for any busid not equal + * to that of the device that this DRM instance attached to. + */ +int drm_irq_by_busid(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_irq_busid_t __user *argp = (void __user *)arg; + drm_irq_busid_t p; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return -EINVAL; + + if (copy_from_user(&p, argp, sizeof(p))) + return -EFAULT; + + if ((p.busnum >> 8) != dev->pci_domain || + (p.busnum & 0xff) != dev->pci_bus || + p.devnum != dev->pci_slot || + p.funcnum != dev->pci_func) + return -EINVAL; + + p.irq = dev->irq; + + DRM_DEBUG("%d:%d:%d => IRQ %d\n", + p.busnum, p.devnum, p.funcnum, p.irq); + if (copy_to_user(argp, &p, sizeof(p))) + return -EFAULT; + return 0; +} + +/** + * Install IRQ handler. + * + * \param dev DRM device. + * \param irq IRQ number. + * + * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver + * \c drm_driver_irq_preinstall() and \c drm_driver_irq_postinstall() functions + * before and after the installation. + */ +int drm_irq_install( drm_device_t *dev ) +{ + int ret; + unsigned long sh_flags=0; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return -EINVAL; + + if ( dev->irq == 0 ) + return -EINVAL; + + down( &dev->struct_sem ); + + /* Driver must have been initialized */ + if ( !dev->dev_private ) { + up( &dev->struct_sem ); + return -EINVAL; + } + + if ( dev->irq_enabled ) { + up( &dev->struct_sem ); + return -EBUSY; + } + dev->irq_enabled = 1; + up( &dev->struct_sem ); + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); + + if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) { + init_waitqueue_head(&dev->vbl_queue); + + spin_lock_init( &dev->vbl_lock ); + + INIT_LIST_HEAD( &dev->vbl_sigs.head ); + + dev->vbl_pending = 0; + } + + /* Before installing handler */ + dev->driver->irq_preinstall(dev); + + /* Install handler */ + if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED)) + sh_flags = SA_SHIRQ; + + ret = request_irq( dev->irq, dev->driver->irq_handler, + sh_flags, dev->devname, dev ); + if ( ret < 0 ) { + down( &dev->struct_sem ); + dev->irq_enabled = 0; + up( &dev->struct_sem ); + return ret; + } + + /* After installing handler */ + dev->driver->irq_postinstall(dev); + + return 0; +} + +/** + * Uninstall the IRQ handler. + * + * \param dev DRM device. + * + * Calls the driver's \c drm_driver_irq_uninstall() function, and stops the irq. + */ +int drm_irq_uninstall( drm_device_t *dev ) +{ + int irq_enabled; + + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return -EINVAL; + + down( &dev->struct_sem ); + irq_enabled = dev->irq_enabled; + dev->irq_enabled = 0; + up( &dev->struct_sem ); + + if ( !irq_enabled ) + return -EINVAL; + + DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq ); + + dev->driver->irq_uninstall(dev); + + free_irq( dev->irq, dev ); + + return 0; +} +EXPORT_SYMBOL(drm_irq_uninstall); + +/** + * IRQ control ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_control structure. + * \return zero on success or a negative number on failure. + * + * Calls irq_install() or irq_uninstall() according to \p arg. + */ +int drm_control( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_control_t ctl; + + /* if we haven't irq we fallback for compatibility reasons - this used to be a separate function in drm_dma.h */ + + if ( copy_from_user( &ctl, (drm_control_t __user *)arg, sizeof(ctl) ) ) + return -EFAULT; + + switch ( ctl.func ) { + case DRM_INST_HANDLER: + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return 0; + if (dev->if_version < DRM_IF_VERSION(1, 2) && + ctl.irq != dev->irq) + return -EINVAL; + return drm_irq_install( dev ); + case DRM_UNINST_HANDLER: + if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + return 0; + return drm_irq_uninstall( dev ); + default: + return -EINVAL; + } +} + +/** + * Wait for VBLANK. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param data user argument, pointing to a drm_wait_vblank structure. + * \return zero on success or a negative number on failure. + * + * Verifies the IRQ is installed. + * + * If a signal is requested checks if this task has already scheduled the same signal + * for the same vblank sequence number - nothing to be done in + * that case. If the number of tasks waiting for the interrupt exceeds 100 the + * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this + * task. + * + * If a signal is not requested, then calls vblank_wait(). + */ +int drm_wait_vblank( DRM_IOCTL_ARGS ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_wait_vblank_t __user *argp = (void __user *)data; + drm_wait_vblank_t vblwait; + struct timeval now; + int ret = 0; + unsigned int flags; + + if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL)) + return -EINVAL; + + if (!dev->irq) + return -EINVAL; + + DRM_COPY_FROM_USER_IOCTL( vblwait, argp, sizeof(vblwait) ); + + switch ( vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK ) { + case _DRM_VBLANK_RELATIVE: + vblwait.request.sequence += atomic_read( &dev->vbl_received ); + vblwait.request.type &= ~_DRM_VBLANK_RELATIVE; + case _DRM_VBLANK_ABSOLUTE: + break; + default: + return -EINVAL; + } + + flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; + + if ( flags & _DRM_VBLANK_SIGNAL ) { + unsigned long irqflags; + drm_vbl_sig_t *vbl_sig; + + vblwait.reply.sequence = atomic_read( &dev->vbl_received ); + + spin_lock_irqsave( &dev->vbl_lock, irqflags ); + + /* Check if this task has already scheduled the same signal + * for the same vblank sequence number; nothing to be done in + * that case + */ + list_for_each_entry( vbl_sig, &dev->vbl_sigs.head, head ) { + if (vbl_sig->sequence == vblwait.request.sequence + && vbl_sig->info.si_signo == vblwait.request.signal + && vbl_sig->task == current) + { + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + goto done; + } + } + + if ( dev->vbl_pending >= 100 ) { + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + return -EBUSY; + } + + dev->vbl_pending++; + + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + + if ( !( vbl_sig = drm_alloc( sizeof( drm_vbl_sig_t ), DRM_MEM_DRIVER ) ) ) { + return -ENOMEM; + } + + memset( (void *)vbl_sig, 0, sizeof(*vbl_sig) ); + + vbl_sig->sequence = vblwait.request.sequence; + vbl_sig->info.si_signo = vblwait.request.signal; + vbl_sig->task = current; + + spin_lock_irqsave( &dev->vbl_lock, irqflags ); + + list_add_tail( (struct list_head *) vbl_sig, &dev->vbl_sigs.head ); + + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); + } else { + if (dev->driver->vblank_wait) + ret = dev->driver->vblank_wait( dev, &vblwait.request.sequence ); + + do_gettimeofday( &now ); + vblwait.reply.tval_sec = now.tv_sec; + vblwait.reply.tval_usec = now.tv_usec; + } + +done: + DRM_COPY_TO_USER_IOCTL( argp, vblwait, sizeof(vblwait) ); + + return ret; +} + +/** + * Send the VBLANK signals. + * + * \param dev DRM device. + * + * Sends a signal for each task in drm_device::vbl_sigs and empties the list. + * + * If a signal is not requested, then calls vblank_wait(). + */ +void drm_vbl_send_signals( drm_device_t *dev ) +{ + struct list_head *list, *tmp; + drm_vbl_sig_t *vbl_sig; + unsigned int vbl_seq = atomic_read( &dev->vbl_received ); + unsigned long flags; + + spin_lock_irqsave( &dev->vbl_lock, flags ); + + list_for_each_safe( list, tmp, &dev->vbl_sigs.head ) { + vbl_sig = list_entry( list, drm_vbl_sig_t, head ); + if ( ( vbl_seq - vbl_sig->sequence ) <= (1<<23) ) { + vbl_sig->info.si_code = vbl_seq; + send_sig_info( vbl_sig->info.si_signo, &vbl_sig->info, vbl_sig->task ); + + list_del( list ); + + drm_free( vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER ); + + dev->vbl_pending--; + } + } + + spin_unlock_irqrestore( &dev->vbl_lock, flags ); +} +EXPORT_SYMBOL(drm_vbl_send_signals); + + diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c new file mode 100644 index 0000000..d0d6fc6 --- /dev/null +++ b/drivers/char/drm/drm_lock.c @@ -0,0 +1,303 @@ +/** + * \file drm_lock.h + * IOCTLs for locking + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +/** + * Lock ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_lock structure. + * \return zero on success or negative number on failure. + * + * Add the current task to the lock wait queue, and attempt to take to lock. + */ +int drm_lock( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + DECLARE_WAITQUEUE( entry, current ); + drm_lock_t lock; + int ret = 0; + + ++priv->lock_count; + + if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + DRM_DEBUG( "%d (pid %d) requests lock (0x%08x), flags = 0x%08x\n", + lock.context, current->pid, + dev->lock.hw_lock->lock, lock.flags ); + + if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE)) + if ( lock.context < 0 ) + return -EINVAL; + + add_wait_queue( &dev->lock.lock_queue, &entry ); + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + if ( !dev->lock.hw_lock ) { + /* Device has been unregistered */ + ret = -EINTR; + break; + } + if ( drm_lock_take( &dev->lock.hw_lock->lock, + lock.context ) ) { + dev->lock.filp = filp; + dev->lock.lock_time = jiffies; + atomic_inc( &dev->counts[_DRM_STAT_LOCKS] ); + break; /* Got lock */ + } + + /* Contention */ + schedule(); + if ( signal_pending( current ) ) { + ret = -ERESTARTSYS; + break; + } + } + __set_current_state(TASK_RUNNING); + remove_wait_queue( &dev->lock.lock_queue, &entry ); + + sigemptyset( &dev->sigmask ); + sigaddset( &dev->sigmask, SIGSTOP ); + sigaddset( &dev->sigmask, SIGTSTP ); + sigaddset( &dev->sigmask, SIGTTIN ); + sigaddset( &dev->sigmask, SIGTTOU ); + dev->sigdata.context = lock.context; + dev->sigdata.lock = dev->lock.hw_lock; + block_all_signals( drm_notifier, + &dev->sigdata, &dev->sigmask ); + + if (dev->driver->dma_ready && (lock.flags & _DRM_LOCK_READY)) + dev->driver->dma_ready(dev); + + if ( dev->driver->dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT )) + return dev->driver->dma_quiescent(dev); + + /* dev->driver->kernel_context_switch isn't used by any of the x86 + * drivers but is used by the Sparc driver. + */ + + if (dev->driver->kernel_context_switch && + dev->last_context != lock.context) { + dev->driver->kernel_context_switch(dev, dev->last_context, + lock.context); + } + DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); + + return ret; +} + +/** + * Unlock ioctl. + * + * \param inode device inode. + * \param filp file pointer. + * \param cmd command. + * \param arg user argument, pointing to a drm_lock structure. + * \return zero on success or negative number on failure. + * + * Transfer and free the lock. + */ +int drm_unlock( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_lock_t lock; + + if ( copy_from_user( &lock, (drm_lock_t __user *)arg, sizeof(lock) ) ) + return -EFAULT; + + if ( lock.context == DRM_KERNEL_CONTEXT ) { + DRM_ERROR( "Process %d using kernel context %d\n", + current->pid, lock.context ); + return -EINVAL; + } + + atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] ); + + /* kernel_context_switch isn't used by any of the x86 drm + * modules but is required by the Sparc driver. + */ + if (dev->driver->kernel_context_switch_unlock) + dev->driver->kernel_context_switch_unlock(dev, &lock); + else { + drm_lock_transfer( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ); + + if ( drm_lock_free( dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT ) ) { + DRM_ERROR( "\n" ); + } + } + + unblock_all_signals(); + return 0; +} + +/** + * Take the heavyweight lock. + * + * \param lock lock pointer. + * \param context locking context. + * \return one if the lock is held, or zero otherwise. + * + * Attempt to mark the lock as held by the given context, via the \p cmpxchg instruction. + */ +int drm_lock_take(__volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + do { + old = *lock; + if (old & _DRM_LOCK_HELD) new = old | _DRM_LOCK_CONT; + else new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCKING_CONTEXT(old) == context) { + if (old & _DRM_LOCK_HELD) { + if (context != DRM_KERNEL_CONTEXT) { + DRM_ERROR("%d holds heavyweight lock\n", + context); + } + return 0; + } + } + if (new == (context | _DRM_LOCK_HELD)) { + /* Have lock */ + return 1; + } + return 0; +} + +/** + * This takes a lock forcibly and hands it to context. Should ONLY be used + * inside *_unlock to give lock to kernel before calling *_dma_schedule. + * + * \param dev DRM device. + * \param lock lock pointer. + * \param context locking context. + * \return always one. + * + * Resets the lock file pointer. + * Marks the lock as held by the given context, via the \p cmpxchg instruction. + */ +int drm_lock_transfer(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + dev->lock.filp = NULL; + do { + old = *lock; + new = context | _DRM_LOCK_HELD; + prev = cmpxchg(lock, old, new); + } while (prev != old); + return 1; +} + +/** + * Free lock. + * + * \param dev DRM device. + * \param lock lock. + * \param context context. + * + * Resets the lock file pointer. + * Marks the lock as not held, via the \p cmpxchg instruction. Wakes any task + * waiting on the lock queue. + */ +int drm_lock_free(drm_device_t *dev, + __volatile__ unsigned int *lock, unsigned int context) +{ + unsigned int old, new, prev; + + dev->lock.filp = NULL; + do { + old = *lock; + new = 0; + prev = cmpxchg(lock, old, new); + } while (prev != old); + if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) { + DRM_ERROR("%d freed heavyweight lock held by %d\n", + context, + _DRM_LOCKING_CONTEXT(old)); + return 1; + } + wake_up_interruptible(&dev->lock.lock_queue); + return 0; +} + +/** + * If we get here, it means that the process has called DRM_IOCTL_LOCK + * without calling DRM_IOCTL_UNLOCK. + * + * If the lock is not held, then let the signal proceed as usual. If the lock + * is held, then set the contended flag and keep the signal blocked. + * + * \param priv pointer to a drm_sigdata structure. + * \return one if the signal should be delivered normally, or zero if the + * signal should be blocked. + */ +int drm_notifier(void *priv) +{ + drm_sigdata_t *s = (drm_sigdata_t *)priv; + unsigned int old, new, prev; + + + /* Allow signal delivery if lock isn't held */ + if (!s->lock || !_DRM_LOCK_IS_HELD(s->lock->lock) + || _DRM_LOCKING_CONTEXT(s->lock->lock) != s->context) return 1; + + /* Otherwise, set flag to force call to + drmUnlock */ + do { + old = s->lock->lock; + new = old | _DRM_LOCK_CONT; + prev = cmpxchg(&s->lock->lock, old, new); + } while (prev != old); + return 0; +} diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c new file mode 100644 index 0000000..7f53f75 --- /dev/null +++ b/drivers/char/drm/drm_memory.c @@ -0,0 +1,181 @@ +/** + * \file drm_memory.h + * Memory management wrappers for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <linux/config.h> +#include <linux/highmem.h> +#include "drmP.h" + +#ifdef DEBUG_MEMORY +#include "drm_memory_debug.h" +#else + +/** No-op. */ +void drm_mem_init(void) +{ +} + +/** + * Called when "/proc/dri/%dev%/mem" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param len requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * No-op. + */ +int drm_mem_info(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + return 0; +} + +/** Wrapper around kmalloc() */ +void *drm_calloc(size_t nmemb, size_t size, int area) +{ + void *addr; + + addr = kmalloc(size * nmemb, GFP_KERNEL); + if (addr != NULL) + memset((void *)addr, 0, size * nmemb); + + return addr; +} +EXPORT_SYMBOL(drm_calloc); + +/** Wrapper around kmalloc() and kfree() */ +void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = kmalloc(size, GFP_KERNEL))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + kfree(oldpt); + } + return pt; +} + +/** + * Allocate pages. + * + * \param order size order. + * \param area memory area. (Not used.) + * \return page address on success, or zero on failure. + * + * Allocate and reserve free pages. + */ +unsigned long drm_alloc_pages(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) + return 0; + + /* Zero */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + + return address; +} + +/** + * Free pages. + * + * \param address address of the pages to free. + * \param order size order. + * \param area memory area. (Not used.) + * + * Unreserve and free pages allocated by alloc_pages(). + */ +void drm_free_pages(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + if (!address) + return; + + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + + free_pages(address, order); +} + + +#if __OS_HAS_AGP +/** Wrapper around agp_allocate_memory() */ +DRM_AGP_MEM *drm_alloc_agp(struct agp_bridge_data *bridge, int pages, u32 type) +{ + return drm_agp_allocate_memory(bridge, pages, type); +} + +/** Wrapper around agp_free_memory() */ +int drm_free_agp(DRM_AGP_MEM *handle, int pages) +{ + return drm_agp_free_memory(handle) ? 0 : -EINVAL; +} + +/** Wrapper around agp_bind_memory() */ +int drm_bind_agp(DRM_AGP_MEM *handle, unsigned int start) +{ + return drm_agp_bind_memory(handle, start); +} + +/** Wrapper around agp_unbind_memory() */ +int drm_unbind_agp(DRM_AGP_MEM *handle) +{ + return drm_agp_unbind_memory(handle); +} +#endif /* agp */ +#endif /* debug_memory */ diff --git a/drivers/char/drm/drm_memory.h b/drivers/char/drm/drm_memory.h new file mode 100644 index 0000000..422b942 --- /dev/null +++ b/drivers/char/drm/drm_memory.h @@ -0,0 +1,197 @@ +/** + * \file drm_memory.h + * Memory management wrappers for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Thu Feb 4 14:00:34 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <linux/config.h> +#include <linux/highmem.h> +#include <linux/vmalloc.h> +#include "drmP.h" + +/** + * Cut down version of drm_memory_debug.h, which used to be called + * drm_memory.h. + */ + +#if __OS_HAS_AGP + +#include <linux/vmalloc.h> + +#ifdef HAVE_PAGE_AGP +#include <asm/agp.h> +#else +# ifdef __powerpc__ +# define PAGE_AGP __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE) +# else +# define PAGE_AGP PAGE_KERNEL +# endif +#endif + +/* + * Find the drm_map that covers the range [offset, offset+size). + */ +static inline drm_map_t * +drm_lookup_map (unsigned long offset, unsigned long size, drm_device_t *dev) +{ + struct list_head *list; + drm_map_list_t *r_list; + drm_map_t *map; + + list_for_each(list, &dev->maplist->head) { + r_list = (drm_map_list_t *) list; + map = r_list->map; + if (!map) + continue; + if (map->offset <= offset && (offset + size) <= (map->offset + map->size)) + return map; + } + return NULL; +} + +static inline void * +agp_remap (unsigned long offset, unsigned long size, drm_device_t *dev) +{ + unsigned long *phys_addr_map, i, num_pages = PAGE_ALIGN(size) / PAGE_SIZE; + struct drm_agp_mem *agpmem; + struct page **page_map; + void *addr; + + size = PAGE_ALIGN(size); + +#ifdef __alpha__ + offset -= dev->hose->mem_space->start; +#endif + + for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) + if (agpmem->bound <= offset + && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >= (offset + size)) + break; + if (!agpmem) + return NULL; + + /* + * OK, we're mapping AGP space on a chipset/platform on which memory accesses by + * the CPU do not get remapped by the GART. We fix this by using the kernel's + * page-table instead (that's probably faster anyhow...). + */ + /* note: use vmalloc() because num_pages could be large... */ + page_map = vmalloc(num_pages * sizeof(struct page *)); + if (!page_map) + return NULL; + + phys_addr_map = agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE; + for (i = 0; i < num_pages; ++i) + page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT); + addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP); + vfree(page_map); + + return addr; +} + +static inline unsigned long +drm_follow_page (void *vaddr) +{ + pgd_t *pgd = pgd_offset_k((unsigned long) vaddr); + pud_t *pud = pud_offset(pgd, (unsigned long) vaddr); + pmd_t *pmd = pmd_offset(pud, (unsigned long) vaddr); + pte_t *ptep = pte_offset_kernel(pmd, (unsigned long) vaddr); + return pte_pfn(*ptep) << PAGE_SHIFT; +} + +#else /* __OS_HAS_AGP */ + +static inline drm_map_t *drm_lookup_map(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + return NULL; +} + +static inline void *agp_remap(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + return NULL; +} + +static inline unsigned long drm_follow_page (void *vaddr) +{ + return 0; +} + +#endif + +static inline void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) { + drm_map_t *map = drm_lookup_map(offset, size, dev); + + if (map && map->type == _DRM_AGP) + return agp_remap(offset, size, dev); + } + return ioremap(offset, size); +} + +static inline void *drm_ioremap_nocache(unsigned long offset, unsigned long size, + drm_device_t *dev) +{ + if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture) { + drm_map_t *map = drm_lookup_map(offset, size, dev); + + if (map && map->type == _DRM_AGP) + return agp_remap(offset, size, dev); + } + return ioremap_nocache(offset, size); +} + +static inline void drm_ioremapfree(void *pt, unsigned long size, drm_device_t *dev) +{ + /* + * This is a bit ugly. It would be much cleaner if the DRM API would use separate + * routines for handling mappings in the AGP space. Hopefully this can be done in + * a future revision of the interface... + */ + if (drm_core_has_AGP(dev) && dev->agp && dev->agp->cant_use_aperture + && ((unsigned long) pt >= VMALLOC_START && (unsigned long) pt < VMALLOC_END)) + { + unsigned long offset; + drm_map_t *map; + + offset = drm_follow_page(pt) | ((unsigned long) pt & ~PAGE_MASK); + map = drm_lookup_map(offset, size, dev); + if (map && map->type == _DRM_AGP) { + vunmap(pt); + return; + } + } + + iounmap(pt); +} + + diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h new file mode 100644 index 0000000..2c82e69 --- /dev/null +++ b/drivers/char/drm/drm_memory_debug.h @@ -0,0 +1,459 @@ +/** + * \file drm_memory.h + * Memory management wrappers for DRM. + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <linux/config.h> +#include "drmP.h" + +typedef struct drm_mem_stats { + const char *name; + int succeed_count; + int free_count; + int fail_count; + unsigned long bytes_allocated; + unsigned long bytes_freed; +} drm_mem_stats_t; + +static DEFINE_SPINLOCK(DRM(mem_lock)); +static unsigned long DRM(ram_available) = 0; /* In pages */ +static unsigned long DRM(ram_used) = 0; +static drm_mem_stats_t DRM(mem_stats)[] = { + [DRM_MEM_DMA] = { "dmabufs" }, + [DRM_MEM_SAREA] = { "sareas" }, + [DRM_MEM_DRIVER] = { "driver" }, + [DRM_MEM_MAGIC] = { "magic" }, + [DRM_MEM_IOCTLS] = { "ioctltab" }, + [DRM_MEM_MAPS] = { "maplist" }, + [DRM_MEM_VMAS] = { "vmalist" }, + [DRM_MEM_BUFS] = { "buflist" }, + [DRM_MEM_SEGS] = { "seglist" }, + [DRM_MEM_PAGES] = { "pagelist" }, + [DRM_MEM_FILES] = { "files" }, + [DRM_MEM_QUEUES] = { "queues" }, + [DRM_MEM_CMDS] = { "commands" }, + [DRM_MEM_MAPPINGS] = { "mappings" }, + [DRM_MEM_BUFLISTS] = { "buflists" }, + [DRM_MEM_AGPLISTS] = { "agplist" }, + [DRM_MEM_SGLISTS] = { "sglist" }, + [DRM_MEM_TOTALAGP] = { "totalagp" }, + [DRM_MEM_BOUNDAGP] = { "boundagp" }, + [DRM_MEM_CTXBITMAP] = { "ctxbitmap"}, + [DRM_MEM_CTXLIST] = { "ctxlist" }, + [DRM_MEM_STUB] = { "stub" }, + { NULL, 0, } /* Last entry must be null */ +}; + +void DRM(mem_init)(void) +{ + drm_mem_stats_t *mem; + struct sysinfo si; + + for (mem = DRM(mem_stats); mem->name; ++mem) { + mem->succeed_count = 0; + mem->free_count = 0; + mem->fail_count = 0; + mem->bytes_allocated = 0; + mem->bytes_freed = 0; + } + + si_meminfo(&si); + DRM(ram_available) = si.totalram; + DRM(ram_used) = 0; +} + +/* drm_mem_info is called whenever a process reads /dev/drm/mem. */ + +static int DRM(_mem_info)(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_mem_stats_t *pt; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *eof = 0; + *start = &buf[offset]; + + DRM_PROC_PRINT(" total counts " + " | outstanding \n"); + DRM_PROC_PRINT("type alloc freed fail bytes freed" + " | allocs bytes\n\n"); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "system", 0, 0, 0, + DRM(ram_available) << (PAGE_SHIFT - 10)); + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB |\n", + "locked", 0, 0, 0, DRM(ram_used) >> 10); + DRM_PROC_PRINT("\n"); + for (pt = DRM(mem_stats); pt->name; pt++) { + DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n", + pt->name, + pt->succeed_count, + pt->free_count, + pt->fail_count, + pt->bytes_allocated, + pt->bytes_freed, + pt->succeed_count - pt->free_count, + (long)pt->bytes_allocated + - (long)pt->bytes_freed); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +int DRM(mem_info)(char *buf, char **start, off_t offset, + int len, int *eof, void *data) +{ + int ret; + + spin_lock(&DRM(mem_lock)); + ret = DRM(_mem_info)(buf, start, offset, len, eof, data); + spin_unlock(&DRM(mem_lock)); + return ret; +} + +void *DRM(alloc)(size_t size, int area) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(area, "Allocating 0 bytes\n"); + return NULL; + } + + if (!(pt = kmalloc(size, GFP_KERNEL))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); + return pt; +} + +void *DRM(calloc)(size_t nmemb, size_t size, int area) +{ + void *addr; + + addr = DRM(alloc)(nmemb * size, area); + if (addr != NULL) + memset((void *)addr, 0, size * nmemb); + + return addr; +} + +void *DRM(realloc)(void *oldpt, size_t oldsize, size_t size, int area) +{ + void *pt; + + if (!(pt = DRM(alloc)(size, area))) return NULL; + if (oldpt && oldsize) { + memcpy(pt, oldpt, oldsize); + DRM(free)(oldpt, oldsize, area); + } + return pt; +} + +void DRM(free)(void *pt, size_t size, int area) +{ + int alloc_count; + int free_count; + + if (!pt) DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n"); + else kfree(pt); + spin_lock(&DRM(mem_lock)); + DRM(mem_stats)[area].bytes_freed += size; + free_count = ++DRM(mem_stats)[area].free_count; + alloc_count = DRM(mem_stats)[area].succeed_count; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +unsigned long DRM(alloc_pages)(int order, int area) +{ + unsigned long address; + unsigned long bytes = PAGE_SIZE << order; + unsigned long addr; + unsigned int sz; + + spin_lock(&DRM(mem_lock)); + if ((DRM(ram_used) >> PAGE_SHIFT) + > (DRM_RAM_PERCENT * DRM(ram_available)) / 100) { + spin_unlock(&DRM(mem_lock)); + return 0; + } + spin_unlock(&DRM(mem_lock)); + + address = __get_free_pages(GFP_KERNEL, order); + if (!address) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].fail_count; + spin_unlock(&DRM(mem_lock)); + return 0; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_allocated += bytes; + DRM(ram_used) += bytes; + spin_unlock(&DRM(mem_lock)); + + + /* Zero outside the lock */ + memset((void *)address, 0, bytes); + + /* Reserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + + return address; +} + +void DRM(free_pages)(unsigned long address, int order, int area) +{ + unsigned long bytes = PAGE_SIZE << order; + int alloc_count; + int free_count; + unsigned long addr; + unsigned int sz; + + if (!address) { + DRM_MEM_ERROR(area, "Attempt to free address 0\n"); + } else { + /* Unreserve */ + for (addr = address, sz = bytes; + sz > 0; + addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + free_pages(address, order); + } + + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[area].free_count; + alloc_count = DRM(mem_stats)[area].succeed_count; + DRM(mem_stats)[area].bytes_freed += bytes; + DRM(ram_used) -= bytes; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +void *DRM(ioremap)(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Mapping 0 bytes at 0x%08lx\n", offset); + return NULL; + } + + if (!(pt = drm_ioremap(offset, size, dev))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); + return pt; +} + +void *DRM(ioremap_nocache)(unsigned long offset, unsigned long size, drm_device_t *dev) +{ + void *pt; + + if (!size) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Mapping 0 bytes at 0x%08lx\n", offset); + return NULL; + } + + if (!(pt = drm_ioremap_nocache(offset, size, dev))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_allocated += size; + spin_unlock(&DRM(mem_lock)); + return pt; +} + +void DRM(ioremapfree)(void *pt, unsigned long size, drm_device_t *dev) +{ + int alloc_count; + int free_count; + + if (!pt) + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Attempt to free NULL pointer\n"); + else + drm_ioremapfree(pt, size, dev); + + spin_lock(&DRM(mem_lock)); + DRM(mem_stats)[DRM_MEM_MAPPINGS].bytes_freed += size; + free_count = ++DRM(mem_stats)[DRM_MEM_MAPPINGS].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_MAPPINGS].succeed_count; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_MAPPINGS, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +} + +#if __OS_HAS_AGP + +DRM_AGP_MEM *DRM(alloc_agp)(int pages, u32 type) +{ + DRM_AGP_MEM *handle; + + if (!pages) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n"); + return NULL; + } + + if ((handle = DRM(agp_allocate_memory)(pages, type))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_allocated + += pages << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + return handle; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_TOTALAGP].fail_count; + spin_unlock(&DRM(mem_lock)); + return NULL; +} + +int DRM(free_agp)(DRM_AGP_MEM *handle, int pages) +{ + int alloc_count; + int free_count; + int retval = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Attempt to free NULL AGP handle\n"); + return retval; + } + + if (DRM(agp_free_memory)(handle)) { + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[DRM_MEM_TOTALAGP].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_TOTALAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_TOTALAGP].bytes_freed + += pages << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_TOTALAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return 0; + } + return retval; +} + +int DRM(bind_agp)(DRM_AGP_MEM *handle, unsigned int start) +{ + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to bind NULL AGP handle\n"); + return retcode; + } + + if (!(retcode = DRM(agp_bind_memory)(handle, start))) { + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_allocated + += handle->page_count << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + return retcode; + } + spin_lock(&DRM(mem_lock)); + ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].fail_count; + spin_unlock(&DRM(mem_lock)); + return retcode; +} + +int DRM(unbind_agp)(DRM_AGP_MEM *handle) +{ + int alloc_count; + int free_count; + int retcode = -EINVAL; + + if (!handle) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Attempt to unbind NULL AGP handle\n"); + return retcode; + } + + if ((retcode = DRM(agp_unbind_memory)(handle))) return retcode; + spin_lock(&DRM(mem_lock)); + free_count = ++DRM(mem_stats)[DRM_MEM_BOUNDAGP].free_count; + alloc_count = DRM(mem_stats)[DRM_MEM_BOUNDAGP].succeed_count; + DRM(mem_stats)[DRM_MEM_BOUNDAGP].bytes_freed + += handle->page_count << PAGE_SHIFT; + spin_unlock(&DRM(mem_lock)); + if (free_count > alloc_count) { + DRM_MEM_ERROR(DRM_MEM_BOUNDAGP, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } + return retcode; +} +#endif diff --git a/drivers/char/drm/drm_os_linux.h b/drivers/char/drm/drm_os_linux.h new file mode 100644 index 0000000..b14cd37 --- /dev/null +++ b/drivers/char/drm/drm_os_linux.h @@ -0,0 +1,149 @@ +/** + * \file drm_os_linux.h + * OS abstraction macros. + */ + + +#include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> + +/** File pointer type */ +#define DRMFILE struct file * +/** Ioctl arguments */ +#define DRM_IOCTL_ARGS struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data +#define DRM_ERR(d) -(d) +/** Current process ID */ +#define DRM_CURRENTPID current->pid +#define DRM_UDELAY(d) udelay(d) +/** Read a byte from a MMIO region */ +#define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset)) +/** Read a word from a MMIO region */ +#define DRM_READ16(map, offset) readw(((void __iomem *)(map)->handle) + (offset)) +/** Read a dword from a MMIO region */ +#define DRM_READ32(map, offset) readl(((void __iomem *)(map)->handle) + (offset)) +/** Write a byte into a MMIO region */ +#define DRM_WRITE8(map, offset, val) writeb(val, ((void __iomem *)(map)->handle) + (offset)) +/** Write a word into a MMIO region */ +#define DRM_WRITE16(map, offset, val) writew(val, ((void __iomem *)(map)->handle) + (offset)) +/** Write a dword into a MMIO region */ +#define DRM_WRITE32(map, offset, val) writel(val, ((void __iomem *)(map)->handle) + (offset)) +/** Read memory barrier */ +#define DRM_READMEMORYBARRIER() rmb() +/** Write memory barrier */ +#define DRM_WRITEMEMORYBARRIER() wmb() +/** Read/write memory barrier */ +#define DRM_MEMORYBARRIER() mb() +/** DRM device local declaration */ +#define DRM_DEVICE drm_file_t *priv = filp->private_data; \ + drm_device_t *dev = priv->head->dev + +/** IRQ handler arguments and return type and values */ +#define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs + +/** AGP types */ +#if __OS_HAS_AGP +#define DRM_AGP_MEM struct agp_memory +#define DRM_AGP_KERN struct agp_kern_info +#else +/* define some dummy types for non AGP supporting kernels */ +struct no_agp_kern { + unsigned long aper_base; + unsigned long aper_size; +}; +#define DRM_AGP_MEM int +#define DRM_AGP_KERN struct no_agp_kern +#endif + +#if !(__OS_HAS_MTRR) +static __inline__ int mtrr_add (unsigned long base, unsigned long size, + unsigned int type, char increment) +{ + return -ENODEV; +} + +static __inline__ int mtrr_del (int reg, unsigned long base, + unsigned long size) +{ + return -ENODEV; +} +#define MTRR_TYPE_WRCOMB 1 + +#endif + +/** Task queue handler arguments */ +#define DRM_TASKQUEUE_ARGS void *arg + +/** For data going into the kernel through the ioctl argument */ +#define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3) \ + if ( copy_from_user(&arg1, arg2, arg3) ) \ + return -EFAULT +/** For data going from the kernel through the ioctl argument */ +#define DRM_COPY_TO_USER_IOCTL(arg1, arg2, arg3) \ + if ( copy_to_user(arg1, &arg2, arg3) ) \ + return -EFAULT +/** Other copying of data to kernel space */ +#define DRM_COPY_FROM_USER(arg1, arg2, arg3) \ + copy_from_user(arg1, arg2, arg3) +/** Other copying of data from kernel space */ +#define DRM_COPY_TO_USER(arg1, arg2, arg3) \ + copy_to_user(arg1, arg2, arg3) +/* Macros for copyfrom user, but checking readability only once */ +#define DRM_VERIFYAREA_READ( uaddr, size ) \ + (access_ok( VERIFY_READ, uaddr, size ) ? 0 : -EFAULT) +#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \ + __copy_from_user(arg1, arg2, arg3) +#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \ + __copy_to_user(arg1, arg2, arg3) +#define DRM_GET_USER_UNCHECKED(val, uaddr) \ + __get_user(val, uaddr) + +#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data + +/** + * Get the pointer to the SAREA. + * + * Searches the SAREA on the mapping lists and points drm_device::sarea to it. + */ +#define DRM_GETSAREA() \ +do { \ + drm_map_list_t *entry; \ + list_for_each_entry( entry, &dev->maplist->head, head ) { \ + if ( entry->map && \ + entry->map->type == _DRM_SHM && \ + (entry->map->flags & _DRM_CONTAINS_LOCK) ) { \ + dev_priv->sarea = entry->map; \ + break; \ + } \ + } \ +} while (0) + +#define DRM_HZ HZ + +#define DRM_WAIT_ON( ret, queue, timeout, condition ) \ +do { \ + DECLARE_WAITQUEUE(entry, current); \ + unsigned long end = jiffies + (timeout); \ + add_wait_queue(&(queue), &entry); \ + \ + for (;;) { \ + __set_current_state(TASK_INTERRUPTIBLE); \ + if (condition) \ + break; \ + if (time_after_eq(jiffies, end)) { \ + ret = -EBUSY; \ + break; \ + } \ + schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \ + if (signal_pending(current)) { \ + ret = -EINTR; \ + break; \ + } \ + } \ + __set_current_state(TASK_RUNNING); \ + remove_wait_queue(&(queue), &entry); \ +} while (0) + + +#define DRM_WAKEUP( queue ) wake_up_interruptible( queue ) +#define DRM_INIT_WAITQUEUE( queue ) init_waitqueue_head( queue ) + diff --git a/drivers/char/drm/drm_pci.c b/drivers/char/drm/drm_pci.c new file mode 100644 index 0000000..192e876 --- /dev/null +++ b/drivers/char/drm/drm_pci.c @@ -0,0 +1,140 @@ +/* drm_pci.h -- PCI DMA memory management wrappers for DRM -*- linux-c -*- */ +/** + * \file drm_pci.c + * \brief Functions and ioctls to manage PCI memory + * + * \warning These interfaces aren't stable yet. + * + * \todo Implement the remaining ioctl's for the PCI pools. + * \todo The wrappers here are so thin that they would be better off inlined.. + * + * \author Jose Fonseca <jrfonseca@tungstengraphics.com> + * \author Leif Delgass <ldelgass@retinalburn.net> + */ + +/* + * Copyright 2003 Jos�Fonseca. + * Copyright 2003 Leif Delgass. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include <linux/pci.h> +#include "drmP.h" + +/**********************************************************************/ +/** \name PCI memory */ +/*@{*/ + +/** + * \brief Allocate a PCI consistent memory block, for DMA. + */ +void *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, + dma_addr_t maxaddr, dma_addr_t * busaddr) +{ + void *address; +#if DRM_DEBUG_MEMORY + int area = DRM_MEM_DMA; + + spin_lock(&drm_mem_lock); + if ((drm_ram_used >> PAGE_SHIFT) + > (DRM_RAM_PERCENT * drm_ram_available) / 100) { + spin_unlock(&drm_mem_lock); + return 0; + } + spin_unlock(&drm_mem_lock); +#endif + + /* pci_alloc_consistent only guarantees alignment to the smallest + * PAGE_SIZE order which is greater than or equal to the requested size. + * Return NULL here for now to make sure nobody tries for larger alignment + */ + if (align > size) + return NULL; + + if (pci_set_dma_mask(dev->pdev, maxaddr) != 0) { + DRM_ERROR("Setting pci dma mask failed\n"); + return NULL; + } + + address = pci_alloc_consistent(dev->pdev, size, busaddr); + +#if DRM_DEBUG_MEMORY + if (address == NULL) { + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].fail_count; + spin_unlock(&drm_mem_lock); + return NULL; + } + + spin_lock(&drm_mem_lock); + ++drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_allocated += size; + drm_ram_used += size; + spin_unlock(&drm_mem_lock); +#else + if (address == NULL) + return NULL; +#endif + + memset(address, 0, size); + + return address; +} +EXPORT_SYMBOL(drm_pci_alloc); + +/** + * \brief Free a PCI consistent memory block. + */ +void +drm_pci_free(drm_device_t * dev, size_t size, void *vaddr, dma_addr_t busaddr) +{ +#if DRM_DEBUG_MEMORY + int area = DRM_MEM_DMA; + int alloc_count; + int free_count; +#endif + + if (!vaddr) { +#if DRM_DEBUG_MEMORY + DRM_MEM_ERROR(area, "Attempt to free address 0\n"); +#endif + } else { + pci_free_consistent(dev->pdev, size, vaddr, busaddr); + } + +#if DRM_DEBUG_MEMORY + spin_lock(&drm_mem_lock); + free_count = ++drm_mem_stats[area].free_count; + alloc_count = drm_mem_stats[area].succeed_count; + drm_mem_stats[area].bytes_freed += size; + drm_ram_used -= size; + spin_unlock(&drm_mem_lock); + if (free_count > alloc_count) { + DRM_MEM_ERROR(area, + "Excess frees: %d frees, %d allocs\n", + free_count, alloc_count); + } +#endif + +} +EXPORT_SYMBOL(drm_pci_free); + +/*@}*/ diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h new file mode 100644 index 0000000..54a2914 --- /dev/null +++ b/drivers/char/drm/drm_pciids.h @@ -0,0 +1,224 @@ +/* + This file is auto-generated from the drm_pciids.txt in the DRM CVS + Please contact dri-devel@lists.sf.net to add new cards to this list +*/ +#define radeon_PCI_IDS \ + {0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP}, \ + {0x1002, 0x4137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP}, \ + {0x1002, 0x4144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ + {0x1002, 0x4145, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ + {0x1002, 0x4146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ + {0x1002, 0x4147, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ + {0x1002, 0x4150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4153, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4156, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4237, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS250|CHIP_IS_IGP}, \ + {0x1002, 0x4242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x4243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x4336, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4337, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4437, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS250|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ + {0x1002, 0x4965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ + {0x1002, 0x4966, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ + {0x1002, 0x4967, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ + {0x1002, 0x4C57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C58, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C59, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C5A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C65, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ + {0x1002, 0x5145, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ + {0x1002, 0x5146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ + {0x1002, 0x5147, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ + {0x1002, 0x5148, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x5149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x514A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x514B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x514C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x514D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x514E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x514F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x5157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \ + {0x1002, 0x5158, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \ + {0x1002, 0x5159, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ + {0x1002, 0x515A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ + {0x1002, 0x515E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ + {0x1002, 0x5168, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x5169, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x516A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x516B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x516C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ + {0x1002, 0x5834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ + {0x1002, 0x5835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ + {0x1002, 0x5837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ + {0x1002, 0x5960, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5961, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5962, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5963, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5968, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ + {0x1002, 0x596A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x596B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5c61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5c62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5c63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5c64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0, 0, 0} + +#define r128_PCI_IDS \ + {0x1002, 0x4c45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4d46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4d4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5041, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5042, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5043, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5044, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5045, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5046, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5047, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5048, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5049, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x504A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x504B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x504C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x504D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x504E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x504F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5051, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5052, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5053, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5054, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5055, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5056, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5057, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5245, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5246, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5247, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x524b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x524c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x534d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5446, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x544C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x5452, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define mga_PCI_IDS \ + {0x102b, 0x0521, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x102b, 0x0525, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x102b, 0x2527, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define mach64_PCI_IDS \ + {0x1002, 0x4749, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4750, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4751, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4742, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4744, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c51, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c42, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x474c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x474f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4752, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4753, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x474d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x474e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c53, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1002, 0x4c4e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define sisdrv_PCI_IDS \ + {0x1039, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1039, 0x5300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1039, 0x6300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1039, 0x7300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define tdfx_PCI_IDS \ + {0x121a, 0x0003, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x121a, 0x0004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x121a, 0x0005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x121a, 0x0007, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x121a, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x121a, 0x000b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define viadrv_PCI_IDS \ + {0x1106, 0x3022, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x3122, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x7205, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x1106, 0x7204, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define i810_PCI_IDS \ + {0x8086, 0x7121, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x7123, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x7125, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x1132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define i830_PCI_IDS \ + {0x8086, 0x3577, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x2562, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x3582, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x2572, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define gamma_PCI_IDS \ + {0x3d3d, 0x0008, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define savage_PCI_IDS \ + {0x5333, 0x8a22, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8a23, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c10, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c11, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c12, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c13, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c22, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c24, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c2a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c2b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c2c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c2d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c2e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8c2f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8a25, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8d01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8d02, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x5333, 0x8d04, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + +#define ffb_PCI_IDS \ + {0, 0, 0} + +#define i915_PCI_IDS \ + {0x8086, 0x3577, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x2562, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x3582, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x2572, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x2582, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0x8086, 0x2592, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \ + {0, 0, 0} + diff --git a/drivers/char/drm/drm_proc.c b/drivers/char/drm/drm_proc.c new file mode 100644 index 0000000..6e06e8c --- /dev/null +++ b/drivers/char/drm/drm_proc.c @@ -0,0 +1,539 @@ +/** + * \file drm_proc.h + * /proc support for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + * + * \par Acknowledgements: + * Matthew J Sottek <matthew.j.sottek@intel.com> sent in a patch to fix + * the problem with the proc files not outputting all their information. + */ + +/* + * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" + +static int drm_name_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_vm_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_clients_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_queues_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +static int drm_bufs_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#if DRM_DEBUG_CODE +static int drm_vma_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data); +#endif + +/** + * Proc file list. + */ +struct drm_proc_list { + const char *name; /**< file name */ + int (*f)(char *, char **, off_t, int, int *, void *); /**< proc callback*/ +} drm_proc_list[] = { + { "name", drm_name_info }, + { "mem", drm_mem_info }, + { "vm", drm_vm_info }, + { "clients", drm_clients_info }, + { "queues", drm_queues_info }, + { "bufs", drm_bufs_info }, +#if DRM_DEBUG_CODE + { "vma", drm_vma_info }, +#endif +}; +#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0])) + +/** + * Initialize the DRI proc filesystem for a device. + * + * \param dev DRM device. + * \param minor device minor number. + * \param root DRI proc dir entry. + * \param dev_root resulting DRI device proc dir entry. + * \return root entry pointer on success, or NULL on failure. + * + * Create the DRI proc root entry "/proc/dri", the device proc root entry + * "/proc/dri/%minor%/", and each entry in proc_list as + * "/proc/dri/%minor%/%name%". + */ +int drm_proc_init(drm_device_t *dev, int minor, + struct proc_dir_entry *root, + struct proc_dir_entry **dev_root) +{ + struct proc_dir_entry *ent; + int i, j; + char name[64]; + + sprintf(name, "%d", minor); + *dev_root = create_proc_entry(name, S_IFDIR, root); + if (!*dev_root) { + DRM_ERROR("Cannot create /proc/dri/%s\n", name); + return -1; + } + + for (i = 0; i < DRM_PROC_ENTRIES; i++) { + ent = create_proc_entry(drm_proc_list[i].name, + S_IFREG|S_IRUGO, *dev_root); + if (!ent) { + DRM_ERROR("Cannot create /proc/dri/%s/%s\n", + name, drm_proc_list[i].name); + for (j = 0; j < i; j++) + remove_proc_entry(drm_proc_list[i].name, + *dev_root); + remove_proc_entry(name, root); + return -1; + } + ent->read_proc = drm_proc_list[i].f; + ent->data = dev; + } + + return 0; +} + + +/** + * Cleanup the proc filesystem resources. + * + * \param minor device minor number. + * \param root DRI proc dir entry. + * \param dev_root DRI device proc dir entry. + * \return always zero. + * + * Remove all proc entries created by proc_init(). + */ +int drm_proc_cleanup(int minor, struct proc_dir_entry *root, + struct proc_dir_entry *dev_root) +{ + int i; + char name[64]; + + if (!root || !dev_root) return 0; + + for (i = 0; i < DRM_PROC_ENTRIES; i++) + remove_proc_entry(drm_proc_list[i].name, dev_root); + sprintf(name, "%d", minor); + remove_proc_entry(name, root); + + return 0; +} + +/** + * Called when "/proc/dri/.../name" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * Prints the device name together with the bus id if available. + */ +static int drm_name_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + if (dev->unique) { + DRM_PROC_PRINT("%s %s %s\n", + dev->driver->pci_driver.name, pci_name(dev->pdev), dev->unique); + } else { + DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, pci_name(dev->pdev)); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Called when "/proc/dri/.../vm" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + * + * Prints information about all mappings in drm_device::maplist. + */ +static int drm__vm_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_map_t *map; + drm_map_list_t *r_list; + struct list_head *list; + + /* Hardcoded from _DRM_FRAME_BUFFER, + _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and + _DRM_SCATTER_GATHER. */ + const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; + const char *type; + int i; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("slot offset size type flags " + "address mtrr\n\n"); + i = 0; + if (dev->maplist != NULL) list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + map = r_list->map; + if(!map) continue; + if (map->type < 0 || map->type > 4) type = "??"; + else type = types[map->type]; + DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", + i, + map->offset, + map->size, + type, + map->flags, + (unsigned long)map->handle); + if (map->mtrr < 0) { + DRM_PROC_PRINT("none\n"); + } else { + DRM_PROC_PRINT("%4d\n", map->mtrr); + } + i++; + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _vm_info() while holding the drm_device::struct_sem lock. + */ +static int drm_vm_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__vm_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/** + * Called when "/proc/dri/.../queues" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + */ +static int drm__queues_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + int i; + drm_queue_t *q; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT(" ctx/flags use fin" + " blk/rw/rwf wait flushed queued" + " locks\n\n"); + for (i = 0; i < dev->queue_count; i++) { + q = dev->queuelist[i]; + atomic_inc(&q->use_count); + DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), + "%5d/0x%03x %5d %5d" + " %5d/%c%c/%c%c%c %5Zd\n", + i, + q->flags, + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count), + atomic_read(&q->block_read) ? 'r' : '-', + atomic_read(&q->block_write) ? 'w' : '-', + waitqueue_active(&q->read_queue) ? 'r':'-', + waitqueue_active(&q->write_queue) ? 'w':'-', + waitqueue_active(&q->flush_queue) ? 'f':'-', + DRM_BUFCOUNT(&q->waitlist)); + atomic_dec(&q->use_count); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _queues_info() while holding the drm_device::struct_sem lock. + */ +static int drm_queues_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__queues_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/** + * Called when "/proc/dri/.../bufs" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + */ +static int drm__bufs_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma || offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); + for (i = 0; i <= DRM_MAX_ORDER; i++) { + if (dma->bufs[i].buf_count) + DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", + i, + dma->bufs[i].buf_size, + dma->bufs[i].buf_count, + atomic_read(&dma->bufs[i] + .freelist.count), + dma->bufs[i].seg_count, + dma->bufs[i].seg_count + *(1 << dma->bufs[i].page_order), + (dma->bufs[i].seg_count + * (1 << dma->bufs[i].page_order)) + * PAGE_SIZE / 1024); + } + DRM_PROC_PRINT("\n"); + for (i = 0; i < dma->buf_count; i++) { + if (i && !(i%32)) DRM_PROC_PRINT("\n"); + DRM_PROC_PRINT(" %d", dma->buflist[i]->list); + } + DRM_PROC_PRINT("\n"); + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _bufs_info() while holding the drm_device::struct_sem lock. + */ +static int drm_bufs_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__bufs_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +/** + * Called when "/proc/dri/.../clients" is read. + * + * \param buf output buffer. + * \param start start of output data. + * \param offset requested start offset. + * \param request requested number of bytes. + * \param eof whether there is no more data to return. + * \param data private data. + * \return number of written bytes. + */ +static int drm__clients_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_file_t *priv; + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); + for (priv = dev->file_first; priv; priv = priv->next) { + DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", + priv->authenticated ? 'y' : 'n', + priv->minor, + priv->pid, + priv->uid, + priv->magic, + priv->ioctl_count); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +/** + * Simply calls _clients_info() while holding the drm_device::struct_sem lock. + */ +static int drm_clients_info(char *buf, char **start, off_t offset, + int request, int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__clients_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} + +#if DRM_DEBUG_CODE + +static int drm__vma_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int len = 0; + drm_vma_entry_t *pt; + struct vm_area_struct *vma; +#if defined(__i386__) + unsigned int pgprot; +#endif + + if (offset > DRM_PROC_LIMIT) { + *eof = 1; + return 0; + } + + *start = &buf[offset]; + *eof = 0; + + DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", + atomic_read(&dev->vma_count), + high_memory, virt_to_phys(high_memory)); + for (pt = dev->vmalist; pt; pt = pt->next) { + if (!(vma = pt->vma)) continue; + DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx", + pt->pid, + vma->vm_start, + vma->vm_end, + vma->vm_flags & VM_READ ? 'r' : '-', + vma->vm_flags & VM_WRITE ? 'w' : '-', + vma->vm_flags & VM_EXEC ? 'x' : '-', + vma->vm_flags & VM_MAYSHARE ? 's' : 'p', + vma->vm_flags & VM_LOCKED ? 'l' : '-', + vma->vm_flags & VM_IO ? 'i' : '-', + VM_OFFSET(vma)); + +#if defined(__i386__) + pgprot = pgprot_val(vma->vm_page_prot); + DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", + pgprot & _PAGE_PRESENT ? 'p' : '-', + pgprot & _PAGE_RW ? 'w' : 'r', + pgprot & _PAGE_USER ? 'u' : 's', + pgprot & _PAGE_PWT ? 't' : 'b', + pgprot & _PAGE_PCD ? 'u' : 'c', + pgprot & _PAGE_ACCESSED ? 'a' : '-', + pgprot & _PAGE_DIRTY ? 'd' : '-', + pgprot & _PAGE_PSE ? 'm' : 'k', + pgprot & _PAGE_GLOBAL ? 'g' : 'l' ); +#endif + DRM_PROC_PRINT("\n"); + } + + if (len > request + offset) return request; + *eof = 1; + return len - offset; +} + +static int drm_vma_info(char *buf, char **start, off_t offset, int request, + int *eof, void *data) +{ + drm_device_t *dev = (drm_device_t *)data; + int ret; + + down(&dev->struct_sem); + ret = drm__vma_info(buf, start, offset, request, eof, data); + up(&dev->struct_sem); + return ret; +} +#endif + + diff --git a/drivers/char/drm/drm_sarea.h b/drivers/char/drm/drm_sarea.h new file mode 100644 index 0000000..de782ed --- /dev/null +++ b/drivers/char/drm/drm_sarea.h @@ -0,0 +1,78 @@ +/** + * \file drm_sarea.h + * \brief SAREA definitions + * + * \author Michel Dänzer <michel@daenzer.net> + */ + +/* + * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef _DRM_SAREA_H_ +#define _DRM_SAREA_H_ + +#include "drm.h" + +/* SAREA area needs to be at least a page */ +#if defined(__alpha__) +#define SAREA_MAX 0x2000 +#elif defined(__ia64__) +#define SAREA_MAX 0x10000 /* 64kB */ +#else +/* Intel 830M driver needs at least 8k SAREA */ +#define SAREA_MAX 0x2000 +#endif + +/** Maximum number of drawables in the SAREA */ +#define SAREA_MAX_DRAWABLES 256 + +#define SAREA_DRAWABLE_CLAIMED_ENTRY 0x80000000 + +/** SAREA drawable */ +typedef struct drm_sarea_drawable { + unsigned int stamp; + unsigned int flags; +} drm_sarea_drawable_t; + +/** SAREA frame */ +typedef struct drm_sarea_frame { + unsigned int x; + unsigned int y; + unsigned int width; + unsigned int height; + unsigned int fullscreen; +} drm_sarea_frame_t; + +/** SAREA */ +typedef struct drm_sarea { + /** first thing is always the DRM locking structure */ + drm_hw_lock_t lock; + /** \todo Use readers/writer lock for drm_sarea::drawable_lock */ + drm_hw_lock_t drawable_lock; + drm_sarea_drawable_t drawableTable[SAREA_MAX_DRAWABLES]; /**< drawables */ + drm_sarea_frame_t frame; /**< frame */ + drm_context_t dummy_context; +} drm_sarea_t; + +#endif /* _DRM_SAREA_H_ */ diff --git a/drivers/char/drm/drm_scatter.c b/drivers/char/drm/drm_scatter.c new file mode 100644 index 0000000..54fddb6 --- /dev/null +++ b/drivers/char/drm/drm_scatter.c @@ -0,0 +1,231 @@ +/** + * \file drm_scatter.h + * IOCTLs to manage scatter/gather memory + * + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Mon Dec 18 23:20:54 2000 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <linux/config.h> +#include <linux/vmalloc.h> +#include "drmP.h" + +#define DEBUG_SCATTER 0 + +void drm_sg_cleanup( drm_sg_mem_t *entry ) +{ + struct page *page; + int i; + + for ( i = 0 ; i < entry->pages ; i++ ) { + page = entry->pagelist[i]; + if ( page ) + ClearPageReserved( page ); + } + + vfree( entry->virtual ); + + drm_free( entry->busaddr, + entry->pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + drm_free( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + drm_free( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); +} + +int drm_sg_alloc( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_scatter_gather_t __user *argp = (void __user *)arg; + drm_scatter_gather_t request; + drm_sg_mem_t *entry; + unsigned long pages, i, j; + + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + if (!drm_core_check_feature(dev, DRIVER_SG)) + return -EINVAL; + + if ( dev->sg ) + return -EINVAL; + + if ( copy_from_user( &request, argp, sizeof(request) ) ) + return -EFAULT; + + entry = drm_alloc( sizeof(*entry), DRM_MEM_SGLISTS ); + if ( !entry ) + return -ENOMEM; + + memset( entry, 0, sizeof(*entry) ); + + pages = (request.size + PAGE_SIZE - 1) / PAGE_SIZE; + DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages ); + + entry->pages = pages; + entry->pagelist = drm_alloc( pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + if ( !entry->pagelist ) { + drm_free( entry, sizeof(*entry), DRM_MEM_SGLISTS ); + return -ENOMEM; + } + + memset(entry->pagelist, 0, pages * sizeof(*entry->pagelist)); + + entry->busaddr = drm_alloc( pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + if ( !entry->busaddr ) { + drm_free( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + drm_free( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); + return -ENOMEM; + } + memset( (void *)entry->busaddr, 0, pages * sizeof(*entry->busaddr) ); + + entry->virtual = vmalloc_32( pages << PAGE_SHIFT ); + if ( !entry->virtual ) { + drm_free( entry->busaddr, + entry->pages * sizeof(*entry->busaddr), + DRM_MEM_PAGES ); + drm_free( entry->pagelist, + entry->pages * sizeof(*entry->pagelist), + DRM_MEM_PAGES ); + drm_free( entry, + sizeof(*entry), + DRM_MEM_SGLISTS ); + return -ENOMEM; + } + + /* This also forces the mapping of COW pages, so our page list + * will be valid. Please don't remove it... + */ + memset( entry->virtual, 0, pages << PAGE_SHIFT ); + + entry->handle = (unsigned long)entry->virtual; + + DRM_DEBUG( "sg alloc handle = %08lx\n", entry->handle ); + DRM_DEBUG( "sg alloc virtual = %p\n", entry->virtual ); + + for ( i = entry->handle, j = 0 ; j < pages ; i += PAGE_SIZE, j++ ) { + entry->pagelist[j] = vmalloc_to_page((void *)i); + if (!entry->pagelist[j]) + goto failed; + SetPageReserved(entry->pagelist[j]); + } + + request.handle = entry->handle; + + if ( copy_to_user( argp, &request, sizeof(request) ) ) { + drm_sg_cleanup( entry ); + return -EFAULT; + } + + dev->sg = entry; + +#if DEBUG_SCATTER + /* Verify that each page points to its virtual address, and vice + * versa. + */ + { + int error = 0; + + for ( i = 0 ; i < pages ; i++ ) { + unsigned long *tmp; + + tmp = page_address( entry->pagelist[i] ); + for ( j = 0 ; + j < PAGE_SIZE / sizeof(unsigned long) ; + j++, tmp++ ) { + *tmp = 0xcafebabe; + } + tmp = (unsigned long *)((u8 *)entry->virtual + + (PAGE_SIZE * i)); + for( j = 0 ; + j < PAGE_SIZE / sizeof(unsigned long) ; + j++, tmp++ ) { + if ( *tmp != 0xcafebabe && error == 0 ) { + error = 1; + DRM_ERROR( "Scatter allocation error, " + "pagelist does not match " + "virtual mapping\n" ); + } + } + tmp = page_address( entry->pagelist[i] ); + for(j = 0 ; + j < PAGE_SIZE / sizeof(unsigned long) ; + j++, tmp++) { + *tmp = 0; + } + } + if (error == 0) + DRM_ERROR( "Scatter allocation matches pagelist\n" ); + } +#endif + + return 0; + + failed: + drm_sg_cleanup( entry ); + return -ENOMEM; +} + +int drm_sg_free( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_scatter_gather_t request; + drm_sg_mem_t *entry; + + if (!drm_core_check_feature(dev, DRIVER_SG)) + return -EINVAL; + + if ( copy_from_user( &request, + (drm_scatter_gather_t __user *)arg, + sizeof(request) ) ) + return -EFAULT; + + entry = dev->sg; + dev->sg = NULL; + + if ( !entry || entry->handle != request.handle ) + return -EINVAL; + + DRM_DEBUG( "sg free virtual = %p\n", entry->virtual ); + + drm_sg_cleanup( entry ); + + return 0; +} diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c new file mode 100644 index 0000000..8ccbdef --- /dev/null +++ b/drivers/char/drm/drm_stub.c @@ -0,0 +1,319 @@ +/** + * \file drm_stub.h + * Stub support + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + */ + +/* + * Created: Fri Jan 19 10:48:35 2001 by faith@acm.org + * + * Copyright 2001 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <linux/module.h> +#include <linux/moduleparam.h> +#include "drmP.h" +#include "drm_core.h" + +unsigned int drm_cards_limit = 16; /* Enough for one machine */ +unsigned int drm_debug = 0; /* 1 to enable debug output */ +EXPORT_SYMBOL(drm_debug); + +MODULE_AUTHOR( CORE_AUTHOR ); +MODULE_DESCRIPTION( CORE_DESC ); +MODULE_LICENSE("GPL and additional rights"); +MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards"); +MODULE_PARM_DESC(debug, "Enable debug output"); + +module_param_named(cards_limit, drm_cards_limit, int, 0444); +module_param_named(debug, drm_debug, int, 0666); + +drm_head_t **drm_heads; +struct drm_sysfs_class *drm_class; +struct proc_dir_entry *drm_proc_root; + +static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver) +{ + int retcode; + + spin_lock_init(&dev->count_lock); + init_timer( &dev->timer ); + sema_init( &dev->struct_sem, 1 ); + sema_init( &dev->ctxlist_sem, 1 ); + + dev->pdev = pdev; + +#ifdef __alpha__ + dev->hose = pdev->sysdata; + dev->pci_domain = dev->hose->bus->number; +#else + dev->pci_domain = 0; +#endif + dev->pci_bus = pdev->bus->number; + dev->pci_slot = PCI_SLOT(pdev->devfn); + dev->pci_func = PCI_FUNC(pdev->devfn); + dev->irq = pdev->irq; + + /* the DRM has 6 basic counters */ + dev->counters = 6; + dev->types[0] = _DRM_STAT_LOCK; + dev->types[1] = _DRM_STAT_OPENS; + dev->types[2] = _DRM_STAT_CLOSES; + dev->types[3] = _DRM_STAT_IOCTLS; + dev->types[4] = _DRM_STAT_LOCKS; + dev->types[5] = _DRM_STAT_UNLOCKS; + + dev->driver = driver; + + if (dev->driver->preinit) + if ((retcode = dev->driver->preinit(dev, ent->driver_data))) + goto error_out_unreg; + + if (drm_core_has_AGP(dev)) { + dev->agp = drm_agp_init(dev); + if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) { + DRM_ERROR( "Cannot initialize the agpgart module.\n" ); + retcode = -EINVAL; + goto error_out_unreg; + } + if (drm_core_has_MTRR(dev)) { + if (dev->agp) + dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size*1024*1024, + MTRR_TYPE_WRCOMB, + 1 ); + } + } + + retcode = drm_ctxbitmap_init( dev ); + if( retcode ) { + DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); + goto error_out_unreg; + } + + return 0; + +error_out_unreg: + drm_takedown(dev); + return retcode; +} + +/** + * File \c open operation. + * + * \param inode device inode. + * \param filp file pointer. + * + * Puts the dev->fops corresponding to the device minor number into + * \p filp, call the \c open method, and restore the file operations. + */ +int drm_stub_open(struct inode *inode, struct file *filp) +{ + drm_device_t *dev = NULL; + int minor = iminor(inode); + int err = -ENODEV; + struct file_operations *old_fops; + + DRM_DEBUG("\n"); + + if (!((minor >= 0) && (minor < drm_cards_limit))) + return -ENODEV; + + if (!drm_heads[minor]) + return -ENODEV; + + if (!(dev = drm_heads[minor]->dev)) + return -ENODEV; + + old_fops = filp->f_op; + filp->f_op = fops_get(&dev->driver->fops); + if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) { + fops_put(filp->f_op); + filp->f_op = fops_get(old_fops); + } + fops_put(old_fops); + + return err; +} + + +/** + * Register. + * + * \param pdev - PCI device structure + * \param ent entry from the PCI ID table with device type flags + * \return zero on success or a negative number on failure. + * + * Attempt to gets inter module "drm" information. If we are first + * then register the character device and inter module information. + * Try and register, if we fail to register, backout previous work. + */ +int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, + struct drm_driver *driver) +{ + drm_device_t *dev; + int ret; + + DRM_DEBUG("\n"); + + dev = drm_calloc(1, sizeof(*dev), DRM_MEM_STUB); + if (!dev) + return -ENOMEM; + + pci_enable_device(pdev); + + if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) { + printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); + goto err_g1; + } + if ((ret = drm_get_head(dev, &dev->primary))) + goto err_g1; + + /* postinit is a required function to display the signon banner */ + /* drivers add secondary heads here if needed */ + if ((ret = dev->driver->postinit(dev, ent->driver_data))) + goto err_g1; + + return 0; + +err_g1: + drm_free(dev, sizeof(*dev), DRM_MEM_STUB); + return ret; +} +EXPORT_SYMBOL(drm_get_dev); + +/** + * Get a secondary minor number. + * + * \param dev device data structure + * \param sec-minor structure to hold the assigned minor + * \return negative number on failure. + * + * Search an empty entry and initialize it to the given parameters, and + * create the proc init entry via proc_init(). This routines assigns + * minor numbers to secondary heads of multi-headed cards + */ +int drm_get_head(drm_device_t *dev, drm_head_t *head) +{ + drm_head_t **heads = drm_heads; + int ret; + int minor; + + DRM_DEBUG("\n"); + + for (minor = 0; minor < drm_cards_limit; minor++, heads++) { + if (!*heads) { + + *head = (drm_head_t) { + .dev = dev, + .device = MKDEV(DRM_MAJOR, minor), + .minor = minor, + }; + + if ((ret = drm_proc_init(dev, minor, drm_proc_root, &head->dev_root))) { + printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n"); + goto err_g1; + } + + + head->dev_class = drm_sysfs_device_add(drm_class, + MKDEV(DRM_MAJOR, + minor), + &dev->pdev->dev, + "card%d", minor); + if (IS_ERR(head->dev_class)) { + printk(KERN_ERR "DRM: Error sysfs_device_add.\n"); + ret = PTR_ERR(head->dev_class); + goto err_g2; + } + *heads = head; + + DRM_DEBUG("new minor assigned %d\n", minor); + return 0; + } + } + DRM_ERROR("out of minors\n"); + return -ENOMEM; +err_g2: + drm_proc_cleanup(minor, drm_proc_root, head->dev_root); +err_g1: + *head = (drm_head_t) {.dev = NULL}; + return ret; +} + + +/** + * Put a device minor number. + * + * \param dev device data structure + * \return always zero + * + * Cleans up the proc resources. If it is the last minor then release the foreign + * "drm" data, otherwise unregisters the "drm" data, frees the dev list and + * unregisters the character device. + */ +int drm_put_dev(drm_device_t * dev) +{ + DRM_DEBUG("release primary %s\n", dev->driver->pci_driver.name); + + if (dev->unique) { + drm_free(dev->unique, strlen(dev->unique) + 1, DRM_MEM_DRIVER); + dev->unique = NULL; + dev->unique_len = 0; + } + if (dev->devname) { + drm_free(dev->devname, strlen(dev->devname) + 1, + DRM_MEM_DRIVER); + dev->devname = NULL; + } + drm_free(dev, sizeof(*dev), DRM_MEM_STUB); + return 0; +} + +/** + * Put a secondary minor number. + * + * \param sec_minor - structure to be released + * \return always zero + * + * Cleans up the proc resources. Not legal for this to be the + * last minor released. + * + */ +int drm_put_head(drm_head_t *head) +{ + int minor = head->minor; + + DRM_DEBUG("release secondary minor %d\n", minor); + + drm_proc_cleanup(minor, drm_proc_root, head->dev_root); + drm_sysfs_device_remove(MKDEV(DRM_MAJOR, head->minor)); + + *head = (drm_head_t){.dev = NULL}; + + drm_heads[minor] = NULL; + + return 0; +} + diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c new file mode 100644 index 0000000..2fc10c4 --- /dev/null +++ b/drivers/char/drm/drm_sysfs.c @@ -0,0 +1,208 @@ +/* + * drm_sysfs.c - Modifications to drm_sysfs_class.c to support + * extra sysfs attribute from DRM. Normal drm_sysfs_class + * does not allow adding attributes. + * + * Copyright (c) 2004 Jon Smirl <jonsmirl@gmail.com> + * Copyright (c) 2003-2004 Greg Kroah-Hartman <greg@kroah.com> + * Copyright (c) 2003-2004 IBM Corp. + * + * This file is released under the GPLv2 + * + */ + +#include <linux/config.h> +#include <linux/device.h> +#include <linux/kdev_t.h> +#include <linux/err.h> + +#include "drm_core.h" + +struct drm_sysfs_class { + struct class_device_attribute attr; + struct class class; +}; +#define to_drm_sysfs_class(d) container_of(d, struct drm_sysfs_class, class) + +struct simple_dev { + struct list_head node; + dev_t dev; + struct class_device class_dev; +}; +#define to_simple_dev(d) container_of(d, struct simple_dev, class_dev) + +static LIST_HEAD(simple_dev_list); +static DEFINE_SPINLOCK(simple_dev_list_lock); + +static void release_simple_dev(struct class_device *class_dev) +{ + struct simple_dev *s_dev = to_simple_dev(class_dev); + kfree(s_dev); +} + +static ssize_t show_dev(struct class_device *class_dev, char *buf) +{ + struct simple_dev *s_dev = to_simple_dev(class_dev); + return print_dev_t(buf, s_dev->dev); +} + +static void drm_sysfs_class_release(struct class *class) +{ + struct drm_sysfs_class *cs = to_drm_sysfs_class(class); + kfree(cs); +} + +/* Display the version of drm_core. This doesn't work right in current design */ +static ssize_t version_show(struct class *dev, char *buf) +{ + return sprintf(buf, "%s %d.%d.%d %s\n", CORE_NAME, CORE_MAJOR, + CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE); +} + +static CLASS_ATTR(version, S_IRUGO, version_show, NULL); + +/** + * drm_sysfs_create - create a struct drm_sysfs_class structure + * @owner: pointer to the module that is to "own" this struct drm_sysfs_class + * @name: pointer to a string for the name of this class. + * + * This is used to create a struct drm_sysfs_class pointer that can then be used + * in calls to drm_sysfs_device_add(). + * + * Note, the pointer created here is to be destroyed when finished by making a + * call to drm_sysfs_destroy(). + */ +struct drm_sysfs_class *drm_sysfs_create(struct module *owner, char *name) +{ + struct drm_sysfs_class *cs; + int retval; + + cs = kmalloc(sizeof(*cs), GFP_KERNEL); + if (!cs) { + retval = -ENOMEM; + goto error; + } + memset(cs, 0x00, sizeof(*cs)); + + cs->class.name = name; + cs->class.class_release = drm_sysfs_class_release; + cs->class.release = release_simple_dev; + + cs->attr.attr.name = "dev"; + cs->attr.attr.mode = S_IRUGO; + cs->attr.attr.owner = owner; + cs->attr.show = show_dev; + cs->attr.store = NULL; + + retval = class_register(&cs->class); + if (retval) + goto error; + class_create_file(&cs->class, &class_attr_version); + + return cs; + + error: + kfree(cs); + return ERR_PTR(retval); +} + +/** + * drm_sysfs_destroy - destroys a struct drm_sysfs_class structure + * @cs: pointer to the struct drm_sysfs_class that is to be destroyed + * + * Note, the pointer to be destroyed must have been created with a call to + * drm_sysfs_create(). + */ +void drm_sysfs_destroy(struct drm_sysfs_class *cs) +{ + if ((cs == NULL) || (IS_ERR(cs))) + return; + + class_unregister(&cs->class); +} + +/** + * drm_sysfs_device_add - adds a class device to sysfs for a character driver + * @cs: pointer to the struct drm_sysfs_class that this device should be registered to. + * @dev: the dev_t for the device to be added. + * @device: a pointer to a struct device that is assiociated with this class device. + * @fmt: string for the class device's name + * + * A struct class_device will be created in sysfs, registered to the specified + * class. A "dev" file will be created, showing the dev_t for the device. The + * pointer to the struct class_device will be returned from the call. Any further + * sysfs files that might be required can be created using this pointer. + * Note: the struct drm_sysfs_class passed to this function must have previously been + * created with a call to drm_sysfs_create(). + */ +struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs, dev_t dev, + struct device *device, + const char *fmt, ...) +{ + va_list args; + struct simple_dev *s_dev = NULL; + int retval; + + if ((cs == NULL) || (IS_ERR(cs))) { + retval = -ENODEV; + goto error; + } + + s_dev = kmalloc(sizeof(*s_dev), GFP_KERNEL); + if (!s_dev) { + retval = -ENOMEM; + goto error; + } + memset(s_dev, 0x00, sizeof(*s_dev)); + + s_dev->dev = dev; + s_dev->class_dev.dev = device; + s_dev->class_dev.class = &cs->class; + + va_start(args, fmt); + vsnprintf(s_dev->class_dev.class_id, BUS_ID_SIZE, fmt, args); + va_end(args); + retval = class_device_register(&s_dev->class_dev); + if (retval) + goto error; + + class_device_create_file(&s_dev->class_dev, &cs->attr); + + spin_lock(&simple_dev_list_lock); + list_add(&s_dev->node, &simple_dev_list); + spin_unlock(&simple_dev_list_lock); + + return &s_dev->class_dev; + + error: + kfree(s_dev); + return ERR_PTR(retval); +} + +/** + * drm_sysfs_device_remove - removes a class device that was created with drm_sysfs_device_add() + * @dev: the dev_t of the device that was previously registered. + * + * This call unregisters and cleans up a class device that was created with a + * call to drm_sysfs_device_add() + */ +void drm_sysfs_device_remove(dev_t dev) +{ + struct simple_dev *s_dev = NULL; + int found = 0; + + spin_lock(&simple_dev_list_lock); + list_for_each_entry(s_dev, &simple_dev_list, node) { + if (s_dev->dev == dev) { + found = 1; + break; + } + } + if (found) { + list_del(&s_dev->node); + spin_unlock(&simple_dev_list_lock); + class_device_unregister(&s_dev->class_dev); + } else { + spin_unlock(&simple_dev_list_lock); + } +} diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c new file mode 100644 index 0000000..fc72f30 --- /dev/null +++ b/drivers/char/drm/drm_vm.c @@ -0,0 +1,678 @@ +/** + * \file drm_vm.h + * Memory mapping for DRM + * + * \author Rickard E. (Rik) Faith <faith@valinux.com> + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Created: Mon Jan 4 08:58:31 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "drmP.h" +#if defined(__ia64__) +#include <linux/efi.h> +#endif + + +/** + * \c nopage method for AGP virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Find the right map and if it's AGP memory find the real physical page to + * map, get the page, increment the use count and return it. + */ +#if __OS_HAS_AGP +static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->head->dev; + drm_map_t *map = NULL; + drm_map_list_t *r_list; + struct list_head *list; + + /* + * Find the right map + */ + if (!drm_core_has_AGP(dev)) + goto vm_nopage_error; + + if(!dev->agp || !dev->agp->cant_use_aperture) goto vm_nopage_error; + + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + map = r_list->map; + if (!map) continue; + if (map->offset == VM_OFFSET(vma)) break; + } + + if (map && map->type == _DRM_AGP) { + unsigned long offset = address - vma->vm_start; + unsigned long baddr = VM_OFFSET(vma) + offset; + struct drm_agp_mem *agpmem; + struct page *page; + +#ifdef __alpha__ + /* + * Adjust to a bus-relative address + */ + baddr -= dev->hose->mem_space->start; +#endif + + /* + * It's AGP memory - find the real physical page to map + */ + for(agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next) { + if (agpmem->bound <= baddr && + agpmem->bound + agpmem->pages * PAGE_SIZE > baddr) + break; + } + + if (!agpmem) goto vm_nopage_error; + + /* + * Get the page, inc the use count, and return it + */ + offset = (baddr - agpmem->bound) >> PAGE_SHIFT; + page = virt_to_page(__va(agpmem->memory->memory[offset])); + get_page(page); + + DRM_DEBUG("baddr = 0x%lx page = 0x%p, offset = 0x%lx, count=%d\n", + baddr, __va(agpmem->memory->memory[offset]), offset, + page_count(page)); + + return page; + } +vm_nopage_error: + return NOPAGE_SIGBUS; /* Disallow mremap */ +} +#else /* __OS_HAS_AGP */ +static __inline__ struct page *drm_do_vm_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + return NOPAGE_SIGBUS; +} +#endif /* __OS_HAS_AGP */ + +/** + * \c nopage method for shared virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Get the the mapping, find the real physical page to map, get the page, and + * return it. + */ +static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_map_t *map = (drm_map_t *)vma->vm_private_data; + unsigned long offset; + unsigned long i; + struct page *page; + + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!map) return NOPAGE_OOM; /* Nothing allocated */ + + offset = address - vma->vm_start; + i = (unsigned long)map->handle + offset; + page = vmalloc_to_page((void *)i); + if (!page) + return NOPAGE_OOM; + get_page(page); + + DRM_DEBUG("shm_nopage 0x%lx\n", address); + return page; +} + + +/** + * \c close method for shared virtual memory. + * + * \param vma virtual memory area. + * + * Deletes map information if we are the last + * person to close a mapping and it's not in the global maplist. + */ +void drm_vm_shm_close(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->head->dev; + drm_vma_entry_t *pt, *prev, *next; + drm_map_t *map; + drm_map_list_t *r_list; + struct list_head *list; + int found_maps = 0; + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_dec(&dev->vma_count); + + map = vma->vm_private_data; + + down(&dev->struct_sem); + for (pt = dev->vmalist, prev = NULL; pt; pt = next) { + next = pt->next; + if (pt->vma->vm_private_data == map) found_maps++; + if (pt->vma == vma) { + if (prev) { + prev->next = pt->next; + } else { + dev->vmalist = pt->next; + } + drm_free(pt, sizeof(*pt), DRM_MEM_VMAS); + } else { + prev = pt; + } + } + /* We were the only map that was found */ + if(found_maps == 1 && + map->flags & _DRM_REMOVABLE) { + /* Check to see if we are in the maplist, if we are not, then + * we delete this mappings information. + */ + found_maps = 0; + list = &dev->maplist->head; + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + if (r_list->map == map) found_maps++; + } + + if(!found_maps) { + switch (map->type) { + case _DRM_REGISTERS: + case _DRM_FRAME_BUFFER: + if (drm_core_has_MTRR(dev) && map->mtrr >= 0) { + int retcode; + retcode = mtrr_del(map->mtrr, + map->offset, + map->size); + DRM_DEBUG("mtrr_del = %d\n", retcode); + } + drm_ioremapfree(map->handle, map->size, dev); + break; + case _DRM_SHM: + vfree(map->handle); + break; + case _DRM_AGP: + case _DRM_SCATTER_GATHER: + break; + } + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + } + } + up(&dev->struct_sem); +} + +/** + * \c nopage method for DMA virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Determine the page number from the page offset and get it from drm_device_dma::pagelist. + */ +static __inline__ struct page *drm_do_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + unsigned long offset; + unsigned long page_nr; + struct page *page; + + if (!dma) return NOPAGE_SIGBUS; /* Error */ + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!dma->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ + + offset = address - vma->vm_start; /* vm_[pg]off[set] should be 0 */ + page_nr = offset >> PAGE_SHIFT; + page = virt_to_page((dma->pagelist[page_nr] + + (offset & (~PAGE_MASK)))); + + get_page(page); + + DRM_DEBUG("dma_nopage 0x%lx (page %lu)\n", address, page_nr); + return page; +} + +/** + * \c nopage method for scatter-gather virtual memory. + * + * \param vma virtual memory area. + * \param address access address. + * \return pointer to the page structure. + * + * Determine the map offset from the page offset and get it from drm_sg_mem::pagelist. + */ +static __inline__ struct page *drm_do_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address) +{ + drm_map_t *map = (drm_map_t *)vma->vm_private_data; + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->head->dev; + drm_sg_mem_t *entry = dev->sg; + unsigned long offset; + unsigned long map_offset; + unsigned long page_offset; + struct page *page; + + if (!entry) return NOPAGE_SIGBUS; /* Error */ + if (address > vma->vm_end) return NOPAGE_SIGBUS; /* Disallow mremap */ + if (!entry->pagelist) return NOPAGE_OOM ; /* Nothing allocated */ + + + offset = address - vma->vm_start; + map_offset = map->offset - dev->sg->handle; + page_offset = (offset >> PAGE_SHIFT) + (map_offset >> PAGE_SHIFT); + page = entry->pagelist[page_offset]; + get_page(page); + + return page; +} + + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0) + +static struct page *drm_vm_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_nopage(vma, address); +} + +static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_shm_nopage(vma, address); +} + +static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_dma_nopage(vma, address); +} + +static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address, + int *type) { + if (type) *type = VM_FAULT_MINOR; + return drm_do_vm_sg_nopage(vma, address); +} + +#else /* LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,0) */ + +static struct page *drm_vm_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_nopage(vma, address); +} + +static struct page *drm_vm_shm_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_shm_nopage(vma, address); +} + +static struct page *drm_vm_dma_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_dma_nopage(vma, address); +} + +static struct page *drm_vm_sg_nopage(struct vm_area_struct *vma, + unsigned long address, + int unused) { + return drm_do_vm_sg_nopage(vma, address); +} + +#endif + + +/** AGP virtual memory operations */ +static struct vm_operations_struct drm_vm_ops = { + .nopage = drm_vm_nopage, + .open = drm_vm_open, + .close = drm_vm_close, +}; + +/** Shared virtual memory operations */ +static struct vm_operations_struct drm_vm_shm_ops = { + .nopage = drm_vm_shm_nopage, + .open = drm_vm_open, + .close = drm_vm_shm_close, +}; + +/** DMA virtual memory operations */ +static struct vm_operations_struct drm_vm_dma_ops = { + .nopage = drm_vm_dma_nopage, + .open = drm_vm_open, + .close = drm_vm_close, +}; + +/** Scatter-gather virtual memory operations */ +static struct vm_operations_struct drm_vm_sg_ops = { + .nopage = drm_vm_sg_nopage, + .open = drm_vm_open, + .close = drm_vm_close, +}; + + +/** + * \c open method for shared virtual memory. + * + * \param vma virtual memory area. + * + * Create a new drm_vma_entry structure as the \p vma private data entry and + * add it to drm_device::vmalist. + */ +void drm_vm_open(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->head->dev; + drm_vma_entry_t *vma_entry; + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_inc(&dev->vma_count); + + vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS); + if (vma_entry) { + down(&dev->struct_sem); + vma_entry->vma = vma; + vma_entry->next = dev->vmalist; + vma_entry->pid = current->pid; + dev->vmalist = vma_entry; + up(&dev->struct_sem); + } +} + +/** + * \c close method for all virtual memory types. + * + * \param vma virtual memory area. + * + * Search the \p vma private data entry in drm_device::vmalist, unlink it, and + * free it. + */ +void drm_vm_close(struct vm_area_struct *vma) +{ + drm_file_t *priv = vma->vm_file->private_data; + drm_device_t *dev = priv->head->dev; + drm_vma_entry_t *pt, *prev; + + DRM_DEBUG("0x%08lx,0x%08lx\n", + vma->vm_start, vma->vm_end - vma->vm_start); + atomic_dec(&dev->vma_count); + + down(&dev->struct_sem); + for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) { + if (pt->vma == vma) { + if (prev) { + prev->next = pt->next; + } else { + dev->vmalist = pt->next; + } + drm_free(pt, sizeof(*pt), DRM_MEM_VMAS); + break; + } + } + up(&dev->struct_sem); +} + +/** + * mmap DMA memory. + * + * \param filp file pointer. + * \param vma virtual memory area. + * \return zero on success or a negative number on failure. + * + * Sets the virtual memory area operations structure to vm_dma_ops, the file + * pointer, and calls vm_open(). + */ +int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_device_dma_t *dma; + unsigned long length = vma->vm_end - vma->vm_start; + + lock_kernel(); + dev = priv->head->dev; + dma = dev->dma; + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + /* Length must match exact page count */ + if (!dma || (length >> PAGE_SHIFT) != dma->page_count) { + unlock_kernel(); + return -EINVAL; + } + unlock_kernel(); + + vma->vm_ops = &drm_vm_dma_ops; + +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ +#else + vma->vm_flags |= VM_RESERVED; /* Don't swap */ +#endif + + vma->vm_file = filp; /* Needed for drm_vm_open() */ + drm_vm_open(vma); + return 0; +} + +unsigned long drm_core_get_map_ofs(drm_map_t *map) +{ + return map->offset; +} +EXPORT_SYMBOL(drm_core_get_map_ofs); + +unsigned long drm_core_get_reg_ofs(struct drm_device *dev) +{ +#ifdef __alpha__ + return dev->hose->dense_mem_base - dev->hose->mem_space->start; +#else + return 0; +#endif +} +EXPORT_SYMBOL(drm_core_get_reg_ofs); + +/** + * mmap DMA memory. + * + * \param filp file pointer. + * \param vma virtual memory area. + * \return zero on success or a negative number on failure. + * + * If the virtual memory area has no offset associated with it then it's a DMA + * area, so calls mmap_dma(). Otherwise searches the map in drm_device::maplist, + * checks that the restricted flag is not set, sets the virtual memory operations + * according to the mapping type and remaps the pages. Finally sets the file + * pointer and calls vm_open(). + */ +int drm_mmap(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_map_t *map = NULL; + drm_map_list_t *r_list; + unsigned long offset = 0; + struct list_head *list; + + DRM_DEBUG("start = 0x%lx, end = 0x%lx, offset = 0x%lx\n", + vma->vm_start, vma->vm_end, VM_OFFSET(vma)); + + if ( !priv->authenticated ) return -EACCES; + + /* We check for "dma". On Apple's UniNorth, it's valid to have + * the AGP mapped at physical address 0 + * --BenH. + */ + if (!VM_OFFSET(vma) +#if __OS_HAS_AGP + && (!dev->agp || dev->agp->agp_info.device->vendor != PCI_VENDOR_ID_APPLE) +#endif + ) + return drm_mmap_dma(filp, vma); + + /* A sequential search of a linked list is + fine here because: 1) there will only be + about 5-10 entries in the list and, 2) a + DRI client only has to do this mapping + once, so it doesn't have to be optimized + for performance, even if the list was a + bit longer. */ + list_for_each(list, &dev->maplist->head) { + unsigned long off; + + r_list = list_entry(list, drm_map_list_t, head); + map = r_list->map; + if (!map) continue; + off = dev->driver->get_map_ofs(map); + if (off == VM_OFFSET(vma)) break; + } + + if (!map || ((map->flags&_DRM_RESTRICTED) && !capable(CAP_SYS_ADMIN))) + return -EPERM; + + /* Check for valid size. */ + if (map->size != vma->vm_end - vma->vm_start) return -EINVAL; + + if (!capable(CAP_SYS_ADMIN) && (map->flags & _DRM_READ_ONLY)) { + vma->vm_flags &= ~(VM_WRITE | VM_MAYWRITE); +#if defined(__i386__) || defined(__x86_64__) + pgprot_val(vma->vm_page_prot) &= ~_PAGE_RW; +#else + /* Ye gads this is ugly. With more thought + we could move this up higher and use + `protection_map' instead. */ + vma->vm_page_prot = __pgprot(pte_val(pte_wrprotect( + __pte(pgprot_val(vma->vm_page_prot))))); +#endif + } + + switch (map->type) { + case _DRM_AGP: + if (drm_core_has_AGP(dev) && dev->agp->cant_use_aperture) { + /* + * On some platforms we can't talk to bus dma address from the CPU, so for + * memory of type DRM_AGP, we'll deal with sorting out the real physical + * pages and mappings in nopage() + */ +#if defined(__powerpc__) + pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE; +#endif + vma->vm_ops = &drm_vm_ops; + break; + } + /* fall through to _DRM_FRAME_BUFFER... */ + case _DRM_FRAME_BUFFER: + case _DRM_REGISTERS: + if (VM_OFFSET(vma) >= __pa(high_memory)) { +#if defined(__i386__) || defined(__x86_64__) + if (boot_cpu_data.x86 > 3 && map->type != _DRM_AGP) { + pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; + pgprot_val(vma->vm_page_prot) &= ~_PAGE_PWT; + } +#elif defined(__powerpc__) + pgprot_val(vma->vm_page_prot) |= _PAGE_NO_CACHE | _PAGE_GUARDED; +#endif + vma->vm_flags |= VM_IO; /* not in core dump */ + } +#if defined(__ia64__) + if (efi_range_is_wc(vma->vm_start, vma->vm_end - + vma->vm_start)) + vma->vm_page_prot = + pgprot_writecombine(vma->vm_page_prot); + else + vma->vm_page_prot = + pgprot_noncached(vma->vm_page_prot); +#endif + offset = dev->driver->get_reg_ofs(dev); +#ifdef __sparc__ + if (io_remap_pfn_range(DRM_RPR_ARG(vma) vma->vm_start, + (VM_OFFSET(vma) + offset) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) +#else + if (io_remap_pfn_range(vma, vma->vm_start, + (VM_OFFSET(vma) + offset) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) +#endif + return -EAGAIN; + DRM_DEBUG(" Type = %d; start = 0x%lx, end = 0x%lx," + " offset = 0x%lx\n", + map->type, + vma->vm_start, vma->vm_end, VM_OFFSET(vma) + offset); + vma->vm_ops = &drm_vm_ops; + break; + case _DRM_SHM: + vma->vm_ops = &drm_vm_shm_ops; + vma->vm_private_data = (void *)map; + /* Don't let this area swap. Change when + DRM_KERNEL advisory is supported. */ +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED; +#else + vma->vm_flags |= VM_RESERVED; +#endif + break; + case _DRM_SCATTER_GATHER: + vma->vm_ops = &drm_vm_sg_ops; + vma->vm_private_data = (void *)map; +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED; +#else + vma->vm_flags |= VM_RESERVED; +#endif + break; + default: + return -EINVAL; /* This should never happen. */ + } +#if LINUX_VERSION_CODE <= 0x02040e /* KERNEL_VERSION(2,4,14) */ + vma->vm_flags |= VM_LOCKED | VM_SHM; /* Don't swap */ +#else + vma->vm_flags |= VM_RESERVED; /* Don't swap */ +#endif + + vma->vm_file = filp; /* Needed for drm_vm_open() */ + drm_vm_open(vma); + return 0; +} +EXPORT_SYMBOL(drm_mmap); diff --git a/drivers/char/drm/ffb_context.c b/drivers/char/drm/ffb_context.c new file mode 100644 index 0000000..f518120 --- /dev/null +++ b/drivers/char/drm/ffb_context.c @@ -0,0 +1,551 @@ +/* $Id: ffb_context.c,v 1.5 2001/08/09 17:47:51 davem Exp $ + * ffb_context.c: Creator/Creator3D DRI/DRM context switching. + * + * Copyright (C) 2000 David S. Miller (davem@redhat.com) + * + * Almost entirely stolen from tdfx_context.c, see there + * for authors. + */ + +#include <linux/sched.h> +#include <asm/upa.h> + +#include "ffb.h" +#include "drmP.h" + +#include "ffb_drv.h" + +static int DRM(alloc_queue)(drm_device_t *dev, int is_2d_only) +{ + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + int i; + + for (i = 0; i < FFB_MAX_CTXS; i++) { + if (fpriv->hw_state[i] == NULL) + break; + } + if (i == FFB_MAX_CTXS) + return -1; + + fpriv->hw_state[i] = kmalloc(sizeof(struct ffb_hw_context), GFP_KERNEL); + if (fpriv->hw_state[i] == NULL) + return -1; + + fpriv->hw_state[i]->is_2d_only = is_2d_only; + + /* Plus one because 0 is the special DRM_KERNEL_CONTEXT. */ + return i + 1; +} + +static void ffb_save_context(ffb_dev_priv_t *fpriv, int idx) +{ + ffb_fbcPtr ffb = fpriv->regs; + struct ffb_hw_context *ctx; + int i; + + ctx = fpriv->hw_state[idx - 1]; + if (idx == 0 || ctx == NULL) + return; + + if (ctx->is_2d_only) { + /* 2D applications only care about certain pieces + * of state. + */ + ctx->drawop = upa_readl(&ffb->drawop); + ctx->ppc = upa_readl(&ffb->ppc); + ctx->wid = upa_readl(&ffb->wid); + ctx->fg = upa_readl(&ffb->fg); + ctx->bg = upa_readl(&ffb->bg); + ctx->xclip = upa_readl(&ffb->xclip); + ctx->fbc = upa_readl(&ffb->fbc); + ctx->rop = upa_readl(&ffb->rop); + ctx->cmp = upa_readl(&ffb->cmp); + ctx->matchab = upa_readl(&ffb->matchab); + ctx->magnab = upa_readl(&ffb->magnab); + ctx->pmask = upa_readl(&ffb->pmask); + ctx->xpmask = upa_readl(&ffb->xpmask); + ctx->lpat = upa_readl(&ffb->lpat); + ctx->fontxy = upa_readl(&ffb->fontxy); + ctx->fontw = upa_readl(&ffb->fontw); + ctx->fontinc = upa_readl(&ffb->fontinc); + + /* stencil/stencilctl only exists on FFB2+ and later + * due to the introduction of 3DRAM-III. + */ + if (fpriv->ffb_type == ffb2_vertical_plus || + fpriv->ffb_type == ffb2_horizontal_plus) { + ctx->stencil = upa_readl(&ffb->stencil); + ctx->stencilctl = upa_readl(&ffb->stencilctl); + } + + for (i = 0; i < 32; i++) + ctx->area_pattern[i] = upa_readl(&ffb->pattern[i]); + ctx->ucsr = upa_readl(&ffb->ucsr); + return; + } + + /* Fetch drawop. */ + ctx->drawop = upa_readl(&ffb->drawop); + + /* If we were saving the vertex registers, this is where + * we would do it. We would save 32 32-bit words starting + * at ffb->suvtx. + */ + + /* Capture rendering attributes. */ + + ctx->ppc = upa_readl(&ffb->ppc); /* Pixel Processor Control */ + ctx->wid = upa_readl(&ffb->wid); /* Current WID */ + ctx->fg = upa_readl(&ffb->fg); /* Constant FG color */ + ctx->bg = upa_readl(&ffb->bg); /* Constant BG color */ + ctx->consty = upa_readl(&ffb->consty); /* Constant Y */ + ctx->constz = upa_readl(&ffb->constz); /* Constant Z */ + ctx->xclip = upa_readl(&ffb->xclip); /* X plane clip */ + ctx->dcss = upa_readl(&ffb->dcss); /* Depth Cue Scale Slope */ + ctx->vclipmin = upa_readl(&ffb->vclipmin); /* Primary XY clip, minimum */ + ctx->vclipmax = upa_readl(&ffb->vclipmax); /* Primary XY clip, maximum */ + ctx->vclipzmin = upa_readl(&ffb->vclipzmin); /* Primary Z clip, minimum */ + ctx->vclipzmax = upa_readl(&ffb->vclipzmax); /* Primary Z clip, maximum */ + ctx->dcsf = upa_readl(&ffb->dcsf); /* Depth Cue Scale Front Bound */ + ctx->dcsb = upa_readl(&ffb->dcsb); /* Depth Cue Scale Back Bound */ + ctx->dczf = upa_readl(&ffb->dczf); /* Depth Cue Scale Z Front */ + ctx->dczb = upa_readl(&ffb->dczb); /* Depth Cue Scale Z Back */ + ctx->blendc = upa_readl(&ffb->blendc); /* Alpha Blend Control */ + ctx->blendc1 = upa_readl(&ffb->blendc1); /* Alpha Blend Color 1 */ + ctx->blendc2 = upa_readl(&ffb->blendc2); /* Alpha Blend Color 2 */ + ctx->fbc = upa_readl(&ffb->fbc); /* Frame Buffer Control */ + ctx->rop = upa_readl(&ffb->rop); /* Raster Operation */ + ctx->cmp = upa_readl(&ffb->cmp); /* Compare Controls */ + ctx->matchab = upa_readl(&ffb->matchab); /* Buffer A/B Match Ops */ + ctx->matchc = upa_readl(&ffb->matchc); /* Buffer C Match Ops */ + ctx->magnab = upa_readl(&ffb->magnab); /* Buffer A/B Magnitude Ops */ + ctx->magnc = upa_readl(&ffb->magnc); /* Buffer C Magnitude Ops */ + ctx->pmask = upa_readl(&ffb->pmask); /* RGB Plane Mask */ + ctx->xpmask = upa_readl(&ffb->xpmask); /* X Plane Mask */ + ctx->ypmask = upa_readl(&ffb->ypmask); /* Y Plane Mask */ + ctx->zpmask = upa_readl(&ffb->zpmask); /* Z Plane Mask */ + + /* Auxiliary Clips. */ + ctx->auxclip0min = upa_readl(&ffb->auxclip[0].min); + ctx->auxclip0max = upa_readl(&ffb->auxclip[0].max); + ctx->auxclip1min = upa_readl(&ffb->auxclip[1].min); + ctx->auxclip1max = upa_readl(&ffb->auxclip[1].max); + ctx->auxclip2min = upa_readl(&ffb->auxclip[2].min); + ctx->auxclip2max = upa_readl(&ffb->auxclip[2].max); + ctx->auxclip3min = upa_readl(&ffb->auxclip[3].min); + ctx->auxclip3max = upa_readl(&ffb->auxclip[3].max); + + ctx->lpat = upa_readl(&ffb->lpat); /* Line Pattern */ + ctx->fontxy = upa_readl(&ffb->fontxy); /* XY Font Coordinate */ + ctx->fontw = upa_readl(&ffb->fontw); /* Font Width */ + ctx->fontinc = upa_readl(&ffb->fontinc); /* Font X/Y Increment */ + + /* These registers/features only exist on FFB2 and later chips. */ + if (fpriv->ffb_type >= ffb2_prototype) { + ctx->dcss1 = upa_readl(&ffb->dcss1); /* Depth Cue Scale Slope 1 */ + ctx->dcss2 = upa_readl(&ffb->dcss2); /* Depth Cue Scale Slope 2 */ + ctx->dcss2 = upa_readl(&ffb->dcss3); /* Depth Cue Scale Slope 3 */ + ctx->dcs2 = upa_readl(&ffb->dcs2); /* Depth Cue Scale 2 */ + ctx->dcs3 = upa_readl(&ffb->dcs3); /* Depth Cue Scale 3 */ + ctx->dcs4 = upa_readl(&ffb->dcs4); /* Depth Cue Scale 4 */ + ctx->dcd2 = upa_readl(&ffb->dcd2); /* Depth Cue Depth 2 */ + ctx->dcd3 = upa_readl(&ffb->dcd3); /* Depth Cue Depth 3 */ + ctx->dcd4 = upa_readl(&ffb->dcd4); /* Depth Cue Depth 4 */ + + /* And stencil/stencilctl only exists on FFB2+ and later + * due to the introduction of 3DRAM-III. + */ + if (fpriv->ffb_type == ffb2_vertical_plus || + fpriv->ffb_type == ffb2_horizontal_plus) { + ctx->stencil = upa_readl(&ffb->stencil); + ctx->stencilctl = upa_readl(&ffb->stencilctl); + } + } + + /* Save the 32x32 area pattern. */ + for (i = 0; i < 32; i++) + ctx->area_pattern[i] = upa_readl(&ffb->pattern[i]); + + /* Finally, stash away the User Constol/Status Register. */ + ctx->ucsr = upa_readl(&ffb->ucsr); +} + +static void ffb_restore_context(ffb_dev_priv_t *fpriv, int old, int idx) +{ + ffb_fbcPtr ffb = fpriv->regs; + struct ffb_hw_context *ctx; + int i; + + ctx = fpriv->hw_state[idx - 1]; + if (idx == 0 || ctx == NULL) + return; + + if (ctx->is_2d_only) { + /* 2D applications only care about certain pieces + * of state. + */ + upa_writel(ctx->drawop, &ffb->drawop); + + /* If we were restoring the vertex registers, this is where + * we would do it. We would restore 32 32-bit words starting + * at ffb->suvtx. + */ + + upa_writel(ctx->ppc, &ffb->ppc); + upa_writel(ctx->wid, &ffb->wid); + upa_writel(ctx->fg, &ffb->fg); + upa_writel(ctx->bg, &ffb->bg); + upa_writel(ctx->xclip, &ffb->xclip); + upa_writel(ctx->fbc, &ffb->fbc); + upa_writel(ctx->rop, &ffb->rop); + upa_writel(ctx->cmp, &ffb->cmp); + upa_writel(ctx->matchab, &ffb->matchab); + upa_writel(ctx->magnab, &ffb->magnab); + upa_writel(ctx->pmask, &ffb->pmask); + upa_writel(ctx->xpmask, &ffb->xpmask); + upa_writel(ctx->lpat, &ffb->lpat); + upa_writel(ctx->fontxy, &ffb->fontxy); + upa_writel(ctx->fontw, &ffb->fontw); + upa_writel(ctx->fontinc, &ffb->fontinc); + + /* stencil/stencilctl only exists on FFB2+ and later + * due to the introduction of 3DRAM-III. + */ + if (fpriv->ffb_type == ffb2_vertical_plus || + fpriv->ffb_type == ffb2_horizontal_plus) { + upa_writel(ctx->stencil, &ffb->stencil); + upa_writel(ctx->stencilctl, &ffb->stencilctl); + upa_writel(0x80000000, &ffb->fbc); + upa_writel((ctx->stencilctl | 0x80000), + &ffb->rawstencilctl); + upa_writel(ctx->fbc, &ffb->fbc); + } + + for (i = 0; i < 32; i++) + upa_writel(ctx->area_pattern[i], &ffb->pattern[i]); + upa_writel((ctx->ucsr & 0xf0000), &ffb->ucsr); + return; + } + + /* Restore drawop. */ + upa_writel(ctx->drawop, &ffb->drawop); + + /* If we were restoring the vertex registers, this is where + * we would do it. We would restore 32 32-bit words starting + * at ffb->suvtx. + */ + + /* Restore rendering attributes. */ + + upa_writel(ctx->ppc, &ffb->ppc); /* Pixel Processor Control */ + upa_writel(ctx->wid, &ffb->wid); /* Current WID */ + upa_writel(ctx->fg, &ffb->fg); /* Constant FG color */ + upa_writel(ctx->bg, &ffb->bg); /* Constant BG color */ + upa_writel(ctx->consty, &ffb->consty); /* Constant Y */ + upa_writel(ctx->constz, &ffb->constz); /* Constant Z */ + upa_writel(ctx->xclip, &ffb->xclip); /* X plane clip */ + upa_writel(ctx->dcss, &ffb->dcss); /* Depth Cue Scale Slope */ + upa_writel(ctx->vclipmin, &ffb->vclipmin); /* Primary XY clip, minimum */ + upa_writel(ctx->vclipmax, &ffb->vclipmax); /* Primary XY clip, maximum */ + upa_writel(ctx->vclipzmin, &ffb->vclipzmin); /* Primary Z clip, minimum */ + upa_writel(ctx->vclipzmax, &ffb->vclipzmax); /* Primary Z clip, maximum */ + upa_writel(ctx->dcsf, &ffb->dcsf); /* Depth Cue Scale Front Bound */ + upa_writel(ctx->dcsb, &ffb->dcsb); /* Depth Cue Scale Back Bound */ + upa_writel(ctx->dczf, &ffb->dczf); /* Depth Cue Scale Z Front */ + upa_writel(ctx->dczb, &ffb->dczb); /* Depth Cue Scale Z Back */ + upa_writel(ctx->blendc, &ffb->blendc); /* Alpha Blend Control */ + upa_writel(ctx->blendc1, &ffb->blendc1); /* Alpha Blend Color 1 */ + upa_writel(ctx->blendc2, &ffb->blendc2); /* Alpha Blend Color 2 */ + upa_writel(ctx->fbc, &ffb->fbc); /* Frame Buffer Control */ + upa_writel(ctx->rop, &ffb->rop); /* Raster Operation */ + upa_writel(ctx->cmp, &ffb->cmp); /* Compare Controls */ + upa_writel(ctx->matchab, &ffb->matchab); /* Buffer A/B Match Ops */ + upa_writel(ctx->matchc, &ffb->matchc); /* Buffer C Match Ops */ + upa_writel(ctx->magnab, &ffb->magnab); /* Buffer A/B Magnitude Ops */ + upa_writel(ctx->magnc, &ffb->magnc); /* Buffer C Magnitude Ops */ + upa_writel(ctx->pmask, &ffb->pmask); /* RGB Plane Mask */ + upa_writel(ctx->xpmask, &ffb->xpmask); /* X Plane Mask */ + upa_writel(ctx->ypmask, &ffb->ypmask); /* Y Plane Mask */ + upa_writel(ctx->zpmask, &ffb->zpmask); /* Z Plane Mask */ + + /* Auxiliary Clips. */ + upa_writel(ctx->auxclip0min, &ffb->auxclip[0].min); + upa_writel(ctx->auxclip0max, &ffb->auxclip[0].max); + upa_writel(ctx->auxclip1min, &ffb->auxclip[1].min); + upa_writel(ctx->auxclip1max, &ffb->auxclip[1].max); + upa_writel(ctx->auxclip2min, &ffb->auxclip[2].min); + upa_writel(ctx->auxclip2max, &ffb->auxclip[2].max); + upa_writel(ctx->auxclip3min, &ffb->auxclip[3].min); + upa_writel(ctx->auxclip3max, &ffb->auxclip[3].max); + + upa_writel(ctx->lpat, &ffb->lpat); /* Line Pattern */ + upa_writel(ctx->fontxy, &ffb->fontxy); /* XY Font Coordinate */ + upa_writel(ctx->fontw, &ffb->fontw); /* Font Width */ + upa_writel(ctx->fontinc, &ffb->fontinc); /* Font X/Y Increment */ + + /* These registers/features only exist on FFB2 and later chips. */ + if (fpriv->ffb_type >= ffb2_prototype) { + upa_writel(ctx->dcss1, &ffb->dcss1); /* Depth Cue Scale Slope 1 */ + upa_writel(ctx->dcss2, &ffb->dcss2); /* Depth Cue Scale Slope 2 */ + upa_writel(ctx->dcss3, &ffb->dcss2); /* Depth Cue Scale Slope 3 */ + upa_writel(ctx->dcs2, &ffb->dcs2); /* Depth Cue Scale 2 */ + upa_writel(ctx->dcs3, &ffb->dcs3); /* Depth Cue Scale 3 */ + upa_writel(ctx->dcs4, &ffb->dcs4); /* Depth Cue Scale 4 */ + upa_writel(ctx->dcd2, &ffb->dcd2); /* Depth Cue Depth 2 */ + upa_writel(ctx->dcd3, &ffb->dcd3); /* Depth Cue Depth 3 */ + upa_writel(ctx->dcd4, &ffb->dcd4); /* Depth Cue Depth 4 */ + + /* And stencil/stencilctl only exists on FFB2+ and later + * due to the introduction of 3DRAM-III. + */ + if (fpriv->ffb_type == ffb2_vertical_plus || + fpriv->ffb_type == ffb2_horizontal_plus) { + /* Unfortunately, there is a hardware bug on + * the FFB2+ chips which prevents a normal write + * to the stencil control register from working + * as it should. + * + * The state controlled by the FFB stencilctl register + * really gets transferred to the per-buffer instances + * of the stencilctl register in the 3DRAM chips. + * + * The bug is that FFB does not update buffer C correctly, + * so we have to do it by hand for them. + */ + + /* This will update buffers A and B. */ + upa_writel(ctx->stencil, &ffb->stencil); + upa_writel(ctx->stencilctl, &ffb->stencilctl); + + /* Force FFB to use buffer C 3dram regs. */ + upa_writel(0x80000000, &ffb->fbc); + upa_writel((ctx->stencilctl | 0x80000), + &ffb->rawstencilctl); + + /* Now restore the correct FBC controls. */ + upa_writel(ctx->fbc, &ffb->fbc); + } + } + + /* Restore the 32x32 area pattern. */ + for (i = 0; i < 32; i++) + upa_writel(ctx->area_pattern[i], &ffb->pattern[i]); + + /* Finally, stash away the User Constol/Status Register. + * The only state we really preserve here is the picking + * control. + */ + upa_writel((ctx->ucsr & 0xf0000), &ffb->ucsr); +} + +#define FFB_UCSR_FB_BUSY 0x01000000 +#define FFB_UCSR_RP_BUSY 0x02000000 +#define FFB_UCSR_ALL_BUSY (FFB_UCSR_RP_BUSY|FFB_UCSR_FB_BUSY) + +static void FFBWait(ffb_fbcPtr ffb) +{ + int limit = 100000; + + do { + u32 regval = upa_readl(&ffb->ucsr); + + if ((regval & FFB_UCSR_ALL_BUSY) == 0) + break; + } while (--limit); +} + +int ffb_driver_context_switch(drm_device_t *dev, int old, int new) +{ + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + +#ifdef DRM_DMA_HISTOGRAM + dev->ctx_start = get_cycles(); +#endif + + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new == dev->last_context || + dev->last_context == 0) { + dev->last_context = new; + return 0; + } + + FFBWait(fpriv->regs); + ffb_save_context(fpriv, old); + ffb_restore_context(fpriv, old, new); + FFBWait(fpriv->regs); + + dev->last_context = new; + + return 0; +} + +int ffb_driver_resctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); + if (copy_from_user(&res, (drm_ctx_res_t __user *)arg, sizeof(res))) + return -EFAULT; + if (res.count >= DRM_RESERVED_CONTEXTS) { + memset(&ctx, 0, sizeof(ctx)); + for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { + ctx.handle = i; + if (copy_to_user(&res.contexts[i], + &i, + sizeof(i))) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + if (copy_to_user((drm_ctx_res_t __user *)arg, &res, sizeof(res))) + return -EFAULT; + return 0; +} + + +int ffb_driver_addctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + int idx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + idx = DRM(alloc_queue)(dev, (ctx.flags & _DRM_CONTEXT_2DONLY)); + if (idx < 0) + return -ENFILE; + + DRM_DEBUG("%d\n", ctx.handle); + ctx.handle = idx; + if (copy_to_user((drm_ctx_t __user *)arg, &ctx, sizeof(ctx))) + return -EFAULT; + return 0; +} + +int ffb_driver_modctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + struct ffb_hw_context *hwctx; + drm_ctx_t ctx; + int idx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + + idx = ctx.handle; + if (idx <= 0 || idx >= FFB_MAX_CTXS) + return -EINVAL; + + hwctx = fpriv->hw_state[idx - 1]; + if (hwctx == NULL) + return -EINVAL; + + if ((ctx.flags & _DRM_CONTEXT_2DONLY) == 0) + hwctx->is_2d_only = 0; + else + hwctx->is_2d_only = 1; + + return 0; +} + +int ffb_driver_getctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + struct ffb_hw_context *hwctx; + drm_ctx_t ctx; + int idx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + + idx = ctx.handle; + if (idx <= 0 || idx >= FFB_MAX_CTXS) + return -EINVAL; + + hwctx = fpriv->hw_state[idx - 1]; + if (hwctx == NULL) + return -EINVAL; + + if (hwctx->is_2d_only != 0) + ctx.flags = _DRM_CONTEXT_2DONLY; + else + ctx.flags = 0; + + if (copy_to_user((drm_ctx_t __user *)arg, &ctx, sizeof(ctx))) + return -EFAULT; + + return 0; +} + +int ffb_driver_switchctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + return ffb_driver_context_switch(dev, dev->last_context, ctx.handle); +} + +int ffb_driver_newctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + + return 0; +} + +int ffb_driver_rmctx(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_ctx_t ctx; + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + int idx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + + idx = ctx.handle - 1; + if (idx < 0 || idx >= FFB_MAX_CTXS) + return -EINVAL; + + if (fpriv->hw_state[idx] != NULL) { + kfree(fpriv->hw_state[idx]); + fpriv->hw_state[idx] = NULL; + } + return 0; +} + +void ffb_set_context_ioctls(void) +{ + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_ADD_CTX)].func = ffb_driver_addctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_RM_CTX)].func = ffb_driver_rmctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_MOD_CTX)].func = ffb_driver_modctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_GET_CTX)].func = ffb_driver_getctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_SWITCH_CTX)].func = ffb_driver_switchctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_NEW_CTX)].func = ffb_driver_newctx; + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_RES_CTX)].func = ffb_driver_resctx; + +} diff --git a/drivers/char/drm/ffb_drv.c b/drivers/char/drm/ffb_drv.c new file mode 100644 index 0000000..ec614ff --- /dev/null +++ b/drivers/char/drm/ffb_drv.c @@ -0,0 +1,365 @@ +/* $Id: ffb_drv.c,v 1.16 2001/10/18 16:00:24 davem Exp $ + * ffb_drv.c: Creator/Creator3D direct rendering driver. + * + * Copyright (C) 2000 David S. Miller (davem@redhat.com) + */ + +#include <linux/config.h> +#include "ffb.h" +#include "drmP.h" + +#include "ffb_drv.h" + +#include <linux/sched.h> +#include <linux/smp_lock.h> +#include <asm/shmparam.h> +#include <asm/oplib.h> +#include <asm/upa.h> + +#define DRIVER_AUTHOR "David S. Miller" + +#define DRIVER_NAME "ffb" +#define DRIVER_DESC "Creator/Creator3D" +#define DRIVER_DATE "20000517" + +#define DRIVER_MAJOR 0 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 1 + +typedef struct _ffb_position_t { + int node; + int root; +} ffb_position_t; + +static ffb_position_t *ffb_position; + +static void get_ffb_type(ffb_dev_priv_t *ffb_priv, int instance) +{ + volatile unsigned char *strap_bits; + unsigned char val; + + strap_bits = (volatile unsigned char *) + (ffb_priv->card_phys_base + 0x00200000UL); + + /* Don't ask, you have to read the value twice for whatever + * reason to get correct contents. + */ + val = upa_readb(strap_bits); + val = upa_readb(strap_bits); + switch (val & 0x78) { + case (0x0 << 5) | (0x0 << 3): + ffb_priv->ffb_type = ffb1_prototype; + printk("ffb%d: Detected FFB1 pre-FCS prototype\n", instance); + break; + case (0x0 << 5) | (0x1 << 3): + ffb_priv->ffb_type = ffb1_standard; + printk("ffb%d: Detected FFB1\n", instance); + break; + case (0x0 << 5) | (0x3 << 3): + ffb_priv->ffb_type = ffb1_speedsort; + printk("ffb%d: Detected FFB1-SpeedSort\n", instance); + break; + case (0x1 << 5) | (0x0 << 3): + ffb_priv->ffb_type = ffb2_prototype; + printk("ffb%d: Detected FFB2/vertical pre-FCS prototype\n", instance); + break; + case (0x1 << 5) | (0x1 << 3): + ffb_priv->ffb_type = ffb2_vertical; + printk("ffb%d: Detected FFB2/vertical\n", instance); + break; + case (0x1 << 5) | (0x2 << 3): + ffb_priv->ffb_type = ffb2_vertical_plus; + printk("ffb%d: Detected FFB2+/vertical\n", instance); + break; + case (0x2 << 5) | (0x0 << 3): + ffb_priv->ffb_type = ffb2_horizontal; + printk("ffb%d: Detected FFB2/horizontal\n", instance); + break; + case (0x2 << 5) | (0x2 << 3): + ffb_priv->ffb_type = ffb2_horizontal; + printk("ffb%d: Detected FFB2+/horizontal\n", instance); + break; + default: + ffb_priv->ffb_type = ffb2_vertical; + printk("ffb%d: Unknown boardID[%08x], assuming FFB2\n", instance, val); + break; + }; +} + +static void ffb_apply_upa_parent_ranges(int parent, + struct linux_prom64_registers *regs) +{ + struct linux_prom64_ranges ranges[PROMREG_MAX]; + char name[128]; + int len, i; + + prom_getproperty(parent, "name", name, sizeof(name)); + if (strcmp(name, "upa") != 0) + return; + + len = prom_getproperty(parent, "ranges", (void *) ranges, sizeof(ranges)); + if (len <= 0) + return; + + len /= sizeof(struct linux_prom64_ranges); + for (i = 0; i < len; i++) { + struct linux_prom64_ranges *rng = &ranges[i]; + u64 phys_addr = regs->phys_addr; + + if (phys_addr >= rng->ot_child_base && + phys_addr < (rng->ot_child_base + rng->or_size)) { + regs->phys_addr -= rng->ot_child_base; + regs->phys_addr += rng->ot_parent_base; + return; + } + } + + return; +} + +static int ffb_init_one(drm_device_t *dev, int prom_node, int parent_node, + int instance) +{ + struct linux_prom64_registers regs[2*PROMREG_MAX]; + ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private; + int i; + + ffb_priv->prom_node = prom_node; + if (prom_getproperty(ffb_priv->prom_node, "reg", + (void *)regs, sizeof(regs)) <= 0) { + return -EINVAL; + } + ffb_apply_upa_parent_ranges(parent_node, ®s[0]); + ffb_priv->card_phys_base = regs[0].phys_addr; + ffb_priv->regs = (ffb_fbcPtr) + (regs[0].phys_addr + 0x00600000UL); + get_ffb_type(ffb_priv, instance); + for (i = 0; i < FFB_MAX_CTXS; i++) + ffb_priv->hw_state[i] = NULL; + + return 0; +} + +static drm_map_t *ffb_find_map(struct file *filp, unsigned long off) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_map_list_t *r_list; + struct list_head *list; + drm_map_t *map; + + if (!priv || (dev = priv->dev) == NULL) + return NULL; + + list_for_each(list, &dev->maplist->head) { + unsigned long uoff; + + r_list = (drm_map_list_t *)list; + map = r_list->map; + if (!map) + continue; + uoff = (map->offset & 0xffffffff); + if (uoff == off) + return map; + } + + return NULL; +} + +unsigned long ffb_get_unmapped_area(struct file *filp, + unsigned long hint, + unsigned long len, + unsigned long pgoff, + unsigned long flags) +{ + drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT); + unsigned long addr = -ENOMEM; + + if (!map) + return get_unmapped_area(NULL, hint, len, pgoff, flags); + + if (map->type == _DRM_FRAME_BUFFER || + map->type == _DRM_REGISTERS) { +#ifdef HAVE_ARCH_FB_UNMAPPED_AREA + addr = get_fb_unmapped_area(filp, hint, len, pgoff, flags); +#else + addr = get_unmapped_area(NULL, hint, len, pgoff, flags); +#endif + } else if (map->type == _DRM_SHM && SHMLBA > PAGE_SIZE) { + unsigned long slack = SHMLBA - PAGE_SIZE; + + addr = get_unmapped_area(NULL, hint, len + slack, pgoff, flags); + if (!(addr & ~PAGE_MASK)) { + unsigned long kvirt = (unsigned long) map->handle; + + if ((kvirt & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) { + unsigned long koff, aoff; + + koff = kvirt & (SHMLBA - 1); + aoff = addr & (SHMLBA - 1); + if (koff < aoff) + koff += SHMLBA; + + addr += (koff - aoff); + } + } + } else { + addr = get_unmapped_area(NULL, hint, len, pgoff, flags); + } + + return addr; +} + +static int ffb_presetup(drm_device_t *dev) +{ + ffb_dev_priv_t *ffb_priv; + int ret = 0; + int i = 0; + + /* Check for the case where no device was found. */ + if (ffb_position == NULL) + return -ENODEV; + + /* code used to use numdevs no numdevs anymore */ + ffb_priv = kmalloc(sizeof(ffb_dev_priv_t), GFP_KERNEL); + if (!ffb_priv) + return -ENOMEM; + memset(ffb_priv, 0, sizeof(*ffb_priv)); + dev->dev_private = ffb_priv; + + ret = ffb_init_one(dev, + ffb_position[i].node, + ffb_position[i].root, + i); + return ret; +} + +static void ffb_driver_release(drm_device_t *dev, struct file *filp) +{ + ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; + int context = _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock); + int idx; + + idx = context - 1; + if (fpriv && + context != DRM_KERNEL_CONTEXT && + fpriv->hw_state[idx] != NULL) { + kfree(fpriv->hw_state[idx]); + fpriv->hw_state[idx] = NULL; + } +} + +static void ffb_driver_pretakedown(drm_device_t *dev) +{ + if (dev->dev_private) kfree(dev->dev_private); +} + +static int ffb_driver_postcleanup(drm_device_t *dev) +{ + if (ffb_position != NULL) kfree(ffb_position); + return 0; +} + +static void ffb_driver_kernel_context_switch_unlock(struct drm_device *dev, drm_lock_t *lock) +{ + dev->lock.filp = 0; + { + __volatile__ unsigned int *plock = &dev->lock.hw_lock->lock; + unsigned int old, new, prev, ctx; + + ctx = lock->context; + do { + old = *plock; + new = ctx; + prev = cmpxchg(plock, old, new); + } while (prev != old); + } + wake_up_interruptible(&dev->lock.lock_queue); +} + +static unsigned long ffb_driver_get_map_ofs(drm_map_t *map) +{ + return (map->offset & 0xffffffff); +} + +static unsigned long ffb_driver_get_reg_ofs(drm_device_t *dev) +{ + ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private; + + if (ffb_priv) + return ffb_priv->card_phys_base; + + return 0; +} + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->minor + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static drm_ioctl_desc_t ioctls[] = { + +}; + +static struct drm_driver driver = { + .driver_features = 0, + .dev_priv_size = sizeof(u32), + .release = ffb_driver_release, + .presetup = ffb_presetup, + .pretakedown = ffb_driver_pretakedown, + .postcleanup = ffb_driver_postcleanup, + .kernel_context_switch = ffb_driver_context_switch, + .kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock, + .get_map_ofs = ffb_driver_get_map_ofs, + .get_reg_ofs = ffb_driver_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = ioctls, + .num_ioctls = DRM_ARRAY_SIZE(ioctls), + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, +}; + +static int __init ffb_init(void) +{ + return -ENODEV; +} + +static void __exit ffb_exit(void) +{ +} + +module_init(ffb_init); +module_exit(ffb_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/ffb_drv.h b/drivers/char/drm/ffb_drv.h new file mode 100644 index 0000000..8bf7f1e1 --- /dev/null +++ b/drivers/char/drm/ffb_drv.h @@ -0,0 +1,286 @@ +/* $Id: ffb_drv.h,v 1.1 2000/06/01 04:24:39 davem Exp $ + * ffb_drv.h: Creator/Creator3D direct rendering driver. + * + * Copyright (C) 2000 David S. Miller (davem@redhat.com) + */ + +/* Auxilliary clips. */ +typedef struct { + volatile unsigned int min; + volatile unsigned int max; +} ffb_auxclip, *ffb_auxclipPtr; + +/* FFB register set. */ +typedef struct _ffb_fbc { + /* Next vertex registers, on the right we list which drawops + * use said register and the logical name the register has in + * that context. + */ /* DESCRIPTION DRAWOP(NAME) */ +/*0x00*/unsigned int pad1[3]; /* Reserved */ +/*0x0c*/volatile unsigned int alpha; /* ALPHA Transparency */ +/*0x10*/volatile unsigned int red; /* RED */ +/*0x14*/volatile unsigned int green; /* GREEN */ +/*0x18*/volatile unsigned int blue; /* BLUE */ +/*0x1c*/volatile unsigned int z; /* DEPTH */ +/*0x20*/volatile unsigned int y; /* Y triangle(DOYF) */ + /* aadot(DYF) */ + /* ddline(DYF) */ + /* aaline(DYF) */ +/*0x24*/volatile unsigned int x; /* X triangle(DOXF) */ + /* aadot(DXF) */ + /* ddline(DXF) */ + /* aaline(DXF) */ +/*0x28*/unsigned int pad2[2]; /* Reserved */ +/*0x30*/volatile unsigned int ryf; /* Y (alias to DOYF) ddline(RYF) */ + /* aaline(RYF) */ + /* triangle(RYF) */ +/*0x34*/volatile unsigned int rxf; /* X ddline(RXF) */ + /* aaline(RXF) */ + /* triangle(RXF) */ +/*0x38*/unsigned int pad3[2]; /* Reserved */ +/*0x40*/volatile unsigned int dmyf; /* Y (alias to DOYF) triangle(DMYF) */ +/*0x44*/volatile unsigned int dmxf; /* X triangle(DMXF) */ +/*0x48*/unsigned int pad4[2]; /* Reserved */ +/*0x50*/volatile unsigned int ebyi; /* Y (alias to RYI) polygon(EBYI) */ +/*0x54*/volatile unsigned int ebxi; /* X polygon(EBXI) */ +/*0x58*/unsigned int pad5[2]; /* Reserved */ +/*0x60*/volatile unsigned int by; /* Y brline(RYI) */ + /* fastfill(OP) */ + /* polygon(YI) */ + /* rectangle(YI) */ + /* bcopy(SRCY) */ + /* vscroll(SRCY) */ +/*0x64*/volatile unsigned int bx; /* X brline(RXI) */ + /* polygon(XI) */ + /* rectangle(XI) */ + /* bcopy(SRCX) */ + /* vscroll(SRCX) */ + /* fastfill(GO) */ +/*0x68*/volatile unsigned int dy; /* destination Y fastfill(DSTY) */ + /* bcopy(DSRY) */ + /* vscroll(DSRY) */ +/*0x6c*/volatile unsigned int dx; /* destination X fastfill(DSTX) */ + /* bcopy(DSTX) */ + /* vscroll(DSTX) */ +/*0x70*/volatile unsigned int bh; /* Y (alias to RYI) brline(DYI) */ + /* dot(DYI) */ + /* polygon(ETYI) */ + /* Height fastfill(H) */ + /* bcopy(H) */ + /* vscroll(H) */ + /* Y count fastfill(NY) */ +/*0x74*/volatile unsigned int bw; /* X dot(DXI) */ + /* brline(DXI) */ + /* polygon(ETXI) */ + /* fastfill(W) */ + /* bcopy(W) */ + /* vscroll(W) */ + /* fastfill(NX) */ +/*0x78*/unsigned int pad6[2]; /* Reserved */ +/*0x80*/unsigned int pad7[32]; /* Reserved */ + + /* Setup Unit's vertex state register */ +/*100*/ volatile unsigned int suvtx; +/*104*/ unsigned int pad8[63]; /* Reserved */ + + /* Frame Buffer Control Registers */ +/*200*/ volatile unsigned int ppc; /* Pixel Processor Control */ +/*204*/ volatile unsigned int wid; /* Current WID */ +/*208*/ volatile unsigned int fg; /* FG data */ +/*20c*/ volatile unsigned int bg; /* BG data */ +/*210*/ volatile unsigned int consty; /* Constant Y */ +/*214*/ volatile unsigned int constz; /* Constant Z */ +/*218*/ volatile unsigned int xclip; /* X Clip */ +/*21c*/ volatile unsigned int dcss; /* Depth Cue Scale Slope */ +/*220*/ volatile unsigned int vclipmin; /* Viewclip XY Min Bounds */ +/*224*/ volatile unsigned int vclipmax; /* Viewclip XY Max Bounds */ +/*228*/ volatile unsigned int vclipzmin; /* Viewclip Z Min Bounds */ +/*22c*/ volatile unsigned int vclipzmax; /* Viewclip Z Max Bounds */ +/*230*/ volatile unsigned int dcsf; /* Depth Cue Scale Front Bound */ +/*234*/ volatile unsigned int dcsb; /* Depth Cue Scale Back Bound */ +/*238*/ volatile unsigned int dczf; /* Depth Cue Z Front */ +/*23c*/ volatile unsigned int dczb; /* Depth Cue Z Back */ +/*240*/ unsigned int pad9; /* Reserved */ +/*244*/ volatile unsigned int blendc; /* Alpha Blend Control */ +/*248*/ volatile unsigned int blendc1; /* Alpha Blend Color 1 */ +/*24c*/ volatile unsigned int blendc2; /* Alpha Blend Color 2 */ +/*250*/ volatile unsigned int fbramitc; /* FB RAM Interleave Test Control */ +/*254*/ volatile unsigned int fbc; /* Frame Buffer Control */ +/*258*/ volatile unsigned int rop; /* Raster OPeration */ +/*25c*/ volatile unsigned int cmp; /* Frame Buffer Compare */ +/*260*/ volatile unsigned int matchab; /* Buffer AB Match Mask */ +/*264*/ volatile unsigned int matchc; /* Buffer C(YZ) Match Mask */ +/*268*/ volatile unsigned int magnab; /* Buffer AB Magnitude Mask */ +/*26c*/ volatile unsigned int magnc; /* Buffer C(YZ) Magnitude Mask */ +/*270*/ volatile unsigned int fbcfg0; /* Frame Buffer Config 0 */ +/*274*/ volatile unsigned int fbcfg1; /* Frame Buffer Config 1 */ +/*278*/ volatile unsigned int fbcfg2; /* Frame Buffer Config 2 */ +/*27c*/ volatile unsigned int fbcfg3; /* Frame Buffer Config 3 */ +/*280*/ volatile unsigned int ppcfg; /* Pixel Processor Config */ +/*284*/ volatile unsigned int pick; /* Picking Control */ +/*288*/ volatile unsigned int fillmode; /* FillMode */ +/*28c*/ volatile unsigned int fbramwac; /* FB RAM Write Address Control */ +/*290*/ volatile unsigned int pmask; /* RGB PlaneMask */ +/*294*/ volatile unsigned int xpmask; /* X PlaneMask */ +/*298*/ volatile unsigned int ypmask; /* Y PlaneMask */ +/*29c*/ volatile unsigned int zpmask; /* Z PlaneMask */ +/*2a0*/ ffb_auxclip auxclip[4]; /* Auxilliary Viewport Clip */ + + /* New 3dRAM III support regs */ +/*2c0*/ volatile unsigned int rawblend2; +/*2c4*/ volatile unsigned int rawpreblend; +/*2c8*/ volatile unsigned int rawstencil; +/*2cc*/ volatile unsigned int rawstencilctl; +/*2d0*/ volatile unsigned int threedram1; +/*2d4*/ volatile unsigned int threedram2; +/*2d8*/ volatile unsigned int passin; +/*2dc*/ volatile unsigned int rawclrdepth; +/*2e0*/ volatile unsigned int rawpmask; +/*2e4*/ volatile unsigned int rawcsrc; +/*2e8*/ volatile unsigned int rawmatch; +/*2ec*/ volatile unsigned int rawmagn; +/*2f0*/ volatile unsigned int rawropblend; +/*2f4*/ volatile unsigned int rawcmp; +/*2f8*/ volatile unsigned int rawwac; +/*2fc*/ volatile unsigned int fbramid; + +/*300*/ volatile unsigned int drawop; /* Draw OPeration */ +/*304*/ unsigned int pad10[2]; /* Reserved */ +/*30c*/ volatile unsigned int lpat; /* Line Pattern control */ +/*310*/ unsigned int pad11; /* Reserved */ +/*314*/ volatile unsigned int fontxy; /* XY Font coordinate */ +/*318*/ volatile unsigned int fontw; /* Font Width */ +/*31c*/ volatile unsigned int fontinc; /* Font Increment */ +/*320*/ volatile unsigned int font; /* Font bits */ +/*324*/ unsigned int pad12[3]; /* Reserved */ +/*330*/ volatile unsigned int blend2; +/*334*/ volatile unsigned int preblend; +/*338*/ volatile unsigned int stencil; +/*33c*/ volatile unsigned int stencilctl; + +/*340*/ unsigned int pad13[4]; /* Reserved */ +/*350*/ volatile unsigned int dcss1; /* Depth Cue Scale Slope 1 */ +/*354*/ volatile unsigned int dcss2; /* Depth Cue Scale Slope 2 */ +/*358*/ volatile unsigned int dcss3; /* Depth Cue Scale Slope 3 */ +/*35c*/ volatile unsigned int widpmask; +/*360*/ volatile unsigned int dcs2; +/*364*/ volatile unsigned int dcs3; +/*368*/ volatile unsigned int dcs4; +/*36c*/ unsigned int pad14; /* Reserved */ +/*370*/ volatile unsigned int dcd2; +/*374*/ volatile unsigned int dcd3; +/*378*/ volatile unsigned int dcd4; +/*37c*/ unsigned int pad15; /* Reserved */ +/*380*/ volatile unsigned int pattern[32]; /* area Pattern */ +/*400*/ unsigned int pad16[8]; /* Reserved */ +/*420*/ volatile unsigned int reset; /* chip RESET */ +/*424*/ unsigned int pad17[247]; /* Reserved */ +/*800*/ volatile unsigned int devid; /* Device ID */ +/*804*/ unsigned int pad18[63]; /* Reserved */ +/*900*/ volatile unsigned int ucsr; /* User Control & Status Register */ +/*904*/ unsigned int pad19[31]; /* Reserved */ +/*980*/ volatile unsigned int mer; /* Mode Enable Register */ +/*984*/ unsigned int pad20[1439]; /* Reserved */ +} ffb_fbc, *ffb_fbcPtr; + +struct ffb_hw_context { + int is_2d_only; + + unsigned int ppc; + unsigned int wid; + unsigned int fg; + unsigned int bg; + unsigned int consty; + unsigned int constz; + unsigned int xclip; + unsigned int dcss; + unsigned int vclipmin; + unsigned int vclipmax; + unsigned int vclipzmin; + unsigned int vclipzmax; + unsigned int dcsf; + unsigned int dcsb; + unsigned int dczf; + unsigned int dczb; + unsigned int blendc; + unsigned int blendc1; + unsigned int blendc2; + unsigned int fbc; + unsigned int rop; + unsigned int cmp; + unsigned int matchab; + unsigned int matchc; + unsigned int magnab; + unsigned int magnc; + unsigned int pmask; + unsigned int xpmask; + unsigned int ypmask; + unsigned int zpmask; + unsigned int auxclip0min; + unsigned int auxclip0max; + unsigned int auxclip1min; + unsigned int auxclip1max; + unsigned int auxclip2min; + unsigned int auxclip2max; + unsigned int auxclip3min; + unsigned int auxclip3max; + unsigned int drawop; + unsigned int lpat; + unsigned int fontxy; + unsigned int fontw; + unsigned int fontinc; + unsigned int area_pattern[32]; + unsigned int ucsr; + unsigned int stencil; + unsigned int stencilctl; + unsigned int dcss1; + unsigned int dcss2; + unsigned int dcss3; + unsigned int dcs2; + unsigned int dcs3; + unsigned int dcs4; + unsigned int dcd2; + unsigned int dcd3; + unsigned int dcd4; + unsigned int mer; +}; + +#define FFB_MAX_CTXS 32 + +enum ffb_chip_type { + ffb1_prototype = 0, /* Early pre-FCS FFB */ + ffb1_standard, /* First FCS FFB, 100Mhz UPA, 66MHz gclk */ + ffb1_speedsort, /* Second FCS FFB, 100Mhz UPA, 75MHz gclk */ + ffb2_prototype, /* Early pre-FCS vertical FFB2 */ + ffb2_vertical, /* First FCS FFB2/vertical, 100Mhz UPA, 100MHZ gclk, + 75(SingleBuffer)/83(DoubleBuffer) MHz fclk */ + ffb2_vertical_plus, /* Second FCS FFB2/vertical, same timings */ + ffb2_horizontal, /* First FCS FFB2/horizontal, same timings as FFB2/vert */ + ffb2_horizontal_plus, /* Second FCS FFB2/horizontal, same timings */ + afb_m3, /* FCS Elite3D, 3 float chips */ + afb_m6 /* FCS Elite3D, 6 float chips */ +}; + +typedef struct ffb_dev_priv { + /* Misc software state. */ + int prom_node; + enum ffb_chip_type ffb_type; + u64 card_phys_base; + struct miscdevice miscdev; + + /* Controller registers. */ + ffb_fbcPtr regs; + + /* Context table. */ + struct ffb_hw_context *hw_state[FFB_MAX_CTXS]; +} ffb_dev_priv_t; + +extern unsigned long ffb_get_unmapped_area(struct file *filp, + unsigned long hint, + unsigned long len, + unsigned long pgoff, + unsigned long flags); +extern void ffb_set_context_ioctls(void); +extern drm_ioctl_desc_t DRM(ioctls)[]; + +extern int ffb_driver_context_switch(drm_device_t *dev, int old, int new); diff --git a/drivers/char/drm/gamma_context.h b/drivers/char/drm/gamma_context.h new file mode 100644 index 0000000..d11b507 --- /dev/null +++ b/drivers/char/drm/gamma_context.h @@ -0,0 +1,492 @@ +/* drm_context.h -- IOCTLs for generic contexts -*- linux-c -*- + * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * ChangeLog: + * 2001-11-16 Torsten Duwe <duwe@caldera.de> + * added context constructor/destructor hooks, + * needed by SiS driver's memory management. + */ + +/* ================================================================ + * Old-style context support -- only used by gamma. + */ + + +/* The drm_read and drm_write_string code (especially that which manages + the circular buffer), is based on Alessandro Rubini's LINUX DEVICE + DRIVERS (Cambridge: O'Reilly, 1998), pages 111-113. */ + +ssize_t gamma_fops_read(struct file *filp, char __user *buf, size_t count, loff_t *off) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int left; + int avail; + int send; + int cur; + + DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); + + while (dev->buf_rp == dev->buf_wp) { + DRM_DEBUG(" sleeping\n"); + if (filp->f_flags & O_NONBLOCK) { + return -EAGAIN; + } + interruptible_sleep_on(&dev->buf_readers); + if (signal_pending(current)) { + DRM_DEBUG(" interrupted\n"); + return -ERESTARTSYS; + } + DRM_DEBUG(" awake\n"); + } + + left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; + avail = DRM_BSZ - left; + send = DRM_MIN(avail, count); + + while (send) { + if (dev->buf_wp > dev->buf_rp) { + cur = DRM_MIN(send, dev->buf_wp - dev->buf_rp); + } else { + cur = DRM_MIN(send, dev->buf_end - dev->buf_rp); + } + if (copy_to_user(buf, dev->buf_rp, cur)) + return -EFAULT; + dev->buf_rp += cur; + if (dev->buf_rp == dev->buf_end) dev->buf_rp = dev->buf; + send -= cur; + } + + wake_up_interruptible(&dev->buf_writers); + return DRM_MIN(avail, count); +} + + +/* In an incredibly convoluted setup, the kernel module actually calls + * back into the X server to perform context switches on behalf of the + * 3d clients. + */ +int DRM(write_string)(drm_device_t *dev, const char *s) +{ + int left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; + int send = strlen(s); + int count; + + DRM_DEBUG("%d left, %d to send (%p, %p)\n", + left, send, dev->buf_rp, dev->buf_wp); + + if (left == 1 || dev->buf_wp != dev->buf_rp) { + DRM_ERROR("Buffer not empty (%d left, wp = %p, rp = %p)\n", + left, + dev->buf_wp, + dev->buf_rp); + } + + while (send) { + if (dev->buf_wp >= dev->buf_rp) { + count = DRM_MIN(send, dev->buf_end - dev->buf_wp); + if (count == left) --count; /* Leave a hole */ + } else { + count = DRM_MIN(send, dev->buf_rp - dev->buf_wp - 1); + } + strncpy(dev->buf_wp, s, count); + dev->buf_wp += count; + if (dev->buf_wp == dev->buf_end) dev->buf_wp = dev->buf; + send -= count; + } + + if (dev->buf_async) kill_fasync(&dev->buf_async, SIGIO, POLL_IN); + + DRM_DEBUG("waking\n"); + wake_up_interruptible(&dev->buf_readers); + return 0; +} + +unsigned int gamma_fops_poll(struct file *filp, struct poll_table_struct *wait) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + poll_wait(filp, &dev->buf_readers, wait); + if (dev->buf_wp != dev->buf_rp) return POLLIN | POLLRDNORM; + return 0; +} + +int DRM(context_switch)(drm_device_t *dev, int old, int new) +{ + char buf[64]; + drm_queue_t *q; + + if (test_and_set_bit(0, &dev->context_flag)) { + DRM_ERROR("Reentering -- FIXME\n"); + return -EBUSY; + } + + DRM_DEBUG("Context switch from %d to %d\n", old, new); + + if (new >= dev->queue_count) { + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + if (new == dev->last_context) { + clear_bit(0, &dev->context_flag); + return 0; + } + + q = dev->queuelist[new]; + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + atomic_dec(&q->use_count); + clear_bit(0, &dev->context_flag); + return -EINVAL; + } + + /* This causes the X server to wake up & do a bunch of hardware + * interaction to actually effect the context switch. + */ + sprintf(buf, "C %d %d\n", old, new); + DRM(write_string)(dev, buf); + + atomic_dec(&q->use_count); + + return 0; +} + +int DRM(context_switch_complete)(drm_device_t *dev, int new) +{ + drm_device_dma_t *dma = dev->dma; + + dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ + dev->last_switch = jiffies; + + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("Lock isn't held after context switch\n"); + } + + if (!dma || !(dma->next_buffer && dma->next_buffer->while_locked)) { + if (DRM(lock_free)(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("Cannot free lock\n"); + } + } + + clear_bit(0, &dev->context_flag); + wake_up_interruptible(&dev->context_wait); + + return 0; +} + +static int DRM(init_queue)(drm_device_t *dev, drm_queue_t *q, drm_ctx_t *ctx) +{ + DRM_DEBUG("\n"); + + if (atomic_read(&q->use_count) != 1 + || atomic_read(&q->finalization) + || atomic_read(&q->block_count)) { + DRM_ERROR("New queue is already in use: u%d f%d b%d\n", + atomic_read(&q->use_count), + atomic_read(&q->finalization), + atomic_read(&q->block_count)); + } + + atomic_set(&q->finalization, 0); + atomic_set(&q->block_count, 0); + atomic_set(&q->block_read, 0); + atomic_set(&q->block_write, 0); + atomic_set(&q->total_queued, 0); + atomic_set(&q->total_flushed, 0); + atomic_set(&q->total_locks, 0); + + init_waitqueue_head(&q->write_queue); + init_waitqueue_head(&q->read_queue); + init_waitqueue_head(&q->flush_queue); + + q->flags = ctx->flags; + + DRM(waitlist_create)(&q->waitlist, dev->dma->buf_count); + + return 0; +} + + +/* drm_alloc_queue: +PRE: 1) dev->queuelist[0..dev->queue_count] is allocated and will not + disappear (so all deallocation must be done after IOCTLs are off) + 2) dev->queue_count < dev->queue_slots + 3) dev->queuelist[i].use_count == 0 and + dev->queuelist[i].finalization == 0 if i not in use +POST: 1) dev->queuelist[i].use_count == 1 + 2) dev->queue_count < dev->queue_slots */ + +static int DRM(alloc_queue)(drm_device_t *dev) +{ + int i; + drm_queue_t *queue; + int oldslots; + int newslots; + /* Check for a free queue */ + for (i = 0; i < dev->queue_count; i++) { + atomic_inc(&dev->queuelist[i]->use_count); + if (atomic_read(&dev->queuelist[i]->use_count) == 1 + && !atomic_read(&dev->queuelist[i]->finalization)) { + DRM_DEBUG("%d (free)\n", i); + return i; + } + atomic_dec(&dev->queuelist[i]->use_count); + } + /* Allocate a new queue */ + down(&dev->struct_sem); + + queue = DRM(alloc)(sizeof(*queue), DRM_MEM_QUEUES); + memset(queue, 0, sizeof(*queue)); + atomic_set(&queue->use_count, 1); + + ++dev->queue_count; + if (dev->queue_count >= dev->queue_slots) { + oldslots = dev->queue_slots * sizeof(*dev->queuelist); + if (!dev->queue_slots) dev->queue_slots = 1; + dev->queue_slots *= 2; + newslots = dev->queue_slots * sizeof(*dev->queuelist); + + dev->queuelist = DRM(realloc)(dev->queuelist, + oldslots, + newslots, + DRM_MEM_QUEUES); + if (!dev->queuelist) { + up(&dev->struct_sem); + DRM_DEBUG("out of memory\n"); + return -ENOMEM; + } + } + dev->queuelist[dev->queue_count-1] = queue; + + up(&dev->struct_sem); + DRM_DEBUG("%d (new)\n", dev->queue_count - 1); + return dev->queue_count - 1; +} + +int DRM(resctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_ctx_res_t __user *argp = (void __user *)arg; + drm_ctx_res_t res; + drm_ctx_t ctx; + int i; + + DRM_DEBUG("%d\n", DRM_RESERVED_CONTEXTS); + if (copy_from_user(&res, argp, sizeof(res))) + return -EFAULT; + if (res.count >= DRM_RESERVED_CONTEXTS) { + memset(&ctx, 0, sizeof(ctx)); + for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { + ctx.handle = i; + if (copy_to_user(&res.contexts[i], + &i, + sizeof(i))) + return -EFAULT; + } + } + res.count = DRM_RESERVED_CONTEXTS; + if (copy_to_user(argp, &res, sizeof(res))) + return -EFAULT; + return 0; +} + +int DRM(addctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_ctx_t __user *argp = (void __user *)arg; + + if (copy_from_user(&ctx, argp, sizeof(ctx))) + return -EFAULT; + if ((ctx.handle = DRM(alloc_queue)(dev)) == DRM_KERNEL_CONTEXT) { + /* Init kernel's context and get a new one. */ + DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); + ctx.handle = DRM(alloc_queue)(dev); + } + DRM(init_queue)(dev, dev->queuelist[ctx.handle], &ctx); + DRM_DEBUG("%d\n", ctx.handle); + if (copy_to_user(argp, &ctx, sizeof(ctx))) + return -EFAULT; + return 0; +} + +int DRM(modctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle < 0 || ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + if (DRM_BUFCOUNT(&q->waitlist)) { + atomic_dec(&q->use_count); + return -EBUSY; + } + + q->flags = ctx.flags; + + atomic_dec(&q->use_count); + return 0; +} + +int DRM(getctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t __user *argp = (void __user *)arg; + drm_ctx_t ctx; + drm_queue_t *q; + + if (copy_from_user(&ctx, argp, sizeof(ctx))) + return -EFAULT; + + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + ctx.flags = q->flags; + atomic_dec(&q->use_count); + + if (copy_to_user(argp, &ctx, sizeof(ctx))) + return -EFAULT; + + return 0; +} + +int DRM(switchctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + return DRM(context_switch)(dev, dev->last_context, ctx.handle); +} + +int DRM(newctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + DRM(context_switch_complete)(dev, ctx.handle); + + return 0; +} + +int DRM(rmctx)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_t ctx; + drm_queue_t *q; + drm_buf_t *buf; + + if (copy_from_user(&ctx, (drm_ctx_t __user *)arg, sizeof(ctx))) + return -EFAULT; + DRM_DEBUG("%d\n", ctx.handle); + + if (ctx.handle >= dev->queue_count) return -EINVAL; + q = dev->queuelist[ctx.handle]; + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) == 1) { + /* No longer in use */ + atomic_dec(&q->use_count); + return -EINVAL; + } + + atomic_inc(&q->finalization); /* Mark queue in finalization state */ + atomic_sub(2, &q->use_count); /* Mark queue as unused (pending + finalization) */ + + while (test_and_set_bit(0, &dev->interrupt_flag)) { + schedule(); + if (signal_pending(current)) { + clear_bit(0, &dev->interrupt_flag); + return -EINTR; + } + } + /* Remove queued buffers */ + while ((buf = DRM(waitlist_get)(&q->waitlist))) { + DRM(free_buffer)(dev, buf); + } + clear_bit(0, &dev->interrupt_flag); + + /* Wakeup blocked processes */ + wake_up_interruptible(&q->read_queue); + wake_up_interruptible(&q->write_queue); + wake_up_interruptible(&q->flush_queue); + + /* Finalization over. Queue is made + available when both use_count and + finalization become 0, which won't + happen until all the waiting processes + stop waiting. */ + atomic_dec(&q->finalization); + return 0; +} + diff --git a/drivers/char/drm/gamma_dma.c b/drivers/char/drm/gamma_dma.c new file mode 100644 index 0000000..e486fb8 --- /dev/null +++ b/drivers/char/drm/gamma_dma.c @@ -0,0 +1,946 @@ +/* gamma_dma.c -- DMA support for GMX 2000 -*- linux-c -*- + * Created: Fri Mar 19 14:30:16 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#include "gamma.h" +#include "drmP.h" +#include "drm.h" +#include "gamma_drm.h" +#include "gamma_drv.h" + +#include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> + +static inline void gamma_dma_dispatch(drm_device_t *dev, unsigned long address, + unsigned long length) +{ + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + mb(); + while ( GAMMA_READ(GAMMA_INFIFOSPACE) < 2) + cpu_relax(); + + GAMMA_WRITE(GAMMA_DMAADDRESS, address); + + while (GAMMA_READ(GAMMA_GCOMMANDSTATUS) != 4) + cpu_relax(); + + GAMMA_WRITE(GAMMA_DMACOUNT, length / 4); +} + +void gamma_dma_quiescent_single(drm_device_t *dev) +{ + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + while (GAMMA_READ(GAMMA_DMACOUNT)) + cpu_relax(); + + while (GAMMA_READ(GAMMA_INFIFOSPACE) < 2) + cpu_relax(); + + GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10); + GAMMA_WRITE(GAMMA_SYNC, 0); + + do { + while (!GAMMA_READ(GAMMA_OUTFIFOWORDS)) + cpu_relax(); + } while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG); +} + +void gamma_dma_quiescent_dual(drm_device_t *dev) +{ + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + while (GAMMA_READ(GAMMA_DMACOUNT)) + cpu_relax(); + + while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3) + cpu_relax(); + + GAMMA_WRITE(GAMMA_BROADCASTMASK, 3); + GAMMA_WRITE(GAMMA_FILTERMODE, 1 << 10); + GAMMA_WRITE(GAMMA_SYNC, 0); + + /* Read from first MX */ + do { + while (!GAMMA_READ(GAMMA_OUTFIFOWORDS)) + cpu_relax(); + } while (GAMMA_READ(GAMMA_OUTPUTFIFO) != GAMMA_SYNC_TAG); + + /* Read from second MX */ + do { + while (!GAMMA_READ(GAMMA_OUTFIFOWORDS + 0x10000)) + cpu_relax(); + } while (GAMMA_READ(GAMMA_OUTPUTFIFO + 0x10000) != GAMMA_SYNC_TAG); +} + +void gamma_dma_ready(drm_device_t *dev) +{ + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + while (GAMMA_READ(GAMMA_DMACOUNT)) + cpu_relax(); +} + +static inline int gamma_dma_is_ready(drm_device_t *dev) +{ + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + return (!GAMMA_READ(GAMMA_DMACOUNT)); +} + +irqreturn_t gamma_driver_irq_handler( DRM_IRQ_ARGS ) +{ + drm_device_t *dev = (drm_device_t *)arg; + drm_device_dma_t *dma = dev->dma; + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + + /* FIXME: should check whether we're actually interested in the interrupt? */ + atomic_inc(&dev->counts[6]); /* _DRM_STAT_IRQ */ + + while (GAMMA_READ(GAMMA_INFIFOSPACE) < 3) + cpu_relax(); + + GAMMA_WRITE(GAMMA_GDELAYTIMER, 0xc350/2); /* 0x05S */ + GAMMA_WRITE(GAMMA_GCOMMANDINTFLAGS, 8); + GAMMA_WRITE(GAMMA_GINTFLAGS, 0x2001); + if (gamma_dma_is_ready(dev)) { + /* Free previous buffer */ + if (test_and_set_bit(0, &dev->dma_flag)) + return IRQ_HANDLED; + if (dma->this_buffer) { + gamma_free_buffer(dev, dma->this_buffer); + dma->this_buffer = NULL; + } + clear_bit(0, &dev->dma_flag); + + /* Dispatch new buffer */ + schedule_work(&dev->work); + } + return IRQ_HANDLED; +} + +/* Only called by gamma_dma_schedule. */ +static int gamma_do_dma(drm_device_t *dev, int locked) +{ + unsigned long address; + unsigned long length; + drm_buf_t *buf; + int retcode = 0; + drm_device_dma_t *dma = dev->dma; + + if (test_and_set_bit(0, &dev->dma_flag)) return -EBUSY; + + + if (!dma->next_buffer) { + DRM_ERROR("No next_buffer\n"); + clear_bit(0, &dev->dma_flag); + return -EINVAL; + } + + buf = dma->next_buffer; + /* WE NOW ARE ON LOGICAL PAGES!! - using page table setup in dma_init */ + /* So we pass the buffer index value into the physical page offset */ + address = buf->idx << 12; + length = buf->used; + + DRM_DEBUG("context %d, buffer %d (%ld bytes)\n", + buf->context, buf->idx, length); + + if (buf->list == DRM_LIST_RECLAIM) { + gamma_clear_next_buffer(dev); + gamma_free_buffer(dev, buf); + clear_bit(0, &dev->dma_flag); + return -EINVAL; + } + + if (!length) { + DRM_ERROR("0 length buffer\n"); + gamma_clear_next_buffer(dev); + gamma_free_buffer(dev, buf); + clear_bit(0, &dev->dma_flag); + return 0; + } + + if (!gamma_dma_is_ready(dev)) { + clear_bit(0, &dev->dma_flag); + return -EBUSY; + } + + if (buf->while_locked) { + if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) { + DRM_ERROR("Dispatching buffer %d from pid %d" + " \"while locked\", but no lock held\n", + buf->idx, current->pid); + } + } else { + if (!locked && !gamma_lock_take(&dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + clear_bit(0, &dev->dma_flag); + return -EBUSY; + } + } + + if (dev->last_context != buf->context + && !(dev->queuelist[buf->context]->flags + & _DRM_CONTEXT_PRESERVED)) { + /* PRE: dev->last_context != buf->context */ + if (DRM(context_switch)(dev, dev->last_context, + buf->context)) { + DRM(clear_next_buffer)(dev); + DRM(free_buffer)(dev, buf); + } + retcode = -EBUSY; + goto cleanup; + + /* POST: we will wait for the context + switch and will dispatch on a later call + when dev->last_context == buf->context. + NOTE WE HOLD THE LOCK THROUGHOUT THIS + TIME! */ + } + + gamma_clear_next_buffer(dev); + buf->pending = 1; + buf->waiting = 0; + buf->list = DRM_LIST_PEND; + + /* WE NOW ARE ON LOGICAL PAGES!!! - overriding address */ + address = buf->idx << 12; + + gamma_dma_dispatch(dev, address, length); + gamma_free_buffer(dev, dma->this_buffer); + dma->this_buffer = buf; + + atomic_inc(&dev->counts[7]); /* _DRM_STAT_DMA */ + atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */ + + if (!buf->while_locked && !dev->context_flag && !locked) { + if (gamma_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("\n"); + } + } +cleanup: + + clear_bit(0, &dev->dma_flag); + + + return retcode; +} + +static void gamma_dma_timer_bh(unsigned long dev) +{ + gamma_dma_schedule((drm_device_t *)dev, 0); +} + +void gamma_irq_immediate_bh(void *dev) +{ + gamma_dma_schedule(dev, 0); +} + +int gamma_dma_schedule(drm_device_t *dev, int locked) +{ + int next; + drm_queue_t *q; + drm_buf_t *buf; + int retcode = 0; + int processed = 0; + int missed; + int expire = 20; + drm_device_dma_t *dma = dev->dma; + + if (test_and_set_bit(0, &dev->interrupt_flag)) { + /* Not reentrant */ + atomic_inc(&dev->counts[10]); /* _DRM_STAT_MISSED */ + return -EBUSY; + } + missed = atomic_read(&dev->counts[10]); + + +again: + if (dev->context_flag) { + clear_bit(0, &dev->interrupt_flag); + return -EBUSY; + } + if (dma->next_buffer) { + /* Unsent buffer that was previously + selected, but that couldn't be sent + because the lock could not be obtained + or the DMA engine wasn't ready. Try + again. */ + if (!(retcode = gamma_do_dma(dev, locked))) ++processed; + } else { + do { + next = gamma_select_queue(dev, gamma_dma_timer_bh); + if (next >= 0) { + q = dev->queuelist[next]; + buf = gamma_waitlist_get(&q->waitlist); + dma->next_buffer = buf; + dma->next_queue = q; + if (buf && buf->list == DRM_LIST_RECLAIM) { + gamma_clear_next_buffer(dev); + gamma_free_buffer(dev, buf); + } + } + } while (next >= 0 && !dma->next_buffer); + if (dma->next_buffer) { + if (!(retcode = gamma_do_dma(dev, locked))) { + ++processed; + } + } + } + + if (--expire) { + if (missed != atomic_read(&dev->counts[10])) { + if (gamma_dma_is_ready(dev)) goto again; + } + if (processed && gamma_dma_is_ready(dev)) { + processed = 0; + goto again; + } + } + + clear_bit(0, &dev->interrupt_flag); + + return retcode; +} + +static int gamma_dma_priority(struct file *filp, + drm_device_t *dev, drm_dma_t *d) +{ + unsigned long address; + unsigned long length; + int must_free = 0; + int retcode = 0; + int i; + int idx; + drm_buf_t *buf; + drm_buf_t *last_buf = NULL; + drm_device_dma_t *dma = dev->dma; + int *send_indices = NULL; + int *send_sizes = NULL; + + DECLARE_WAITQUEUE(entry, current); + + /* Turn off interrupt handling */ + while (test_and_set_bit(0, &dev->interrupt_flag)) { + schedule(); + if (signal_pending(current)) return -EINTR; + } + if (!(d->flags & _DRM_DMA_WHILE_LOCKED)) { + while (!gamma_lock_take(&dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + schedule(); + if (signal_pending(current)) { + clear_bit(0, &dev->interrupt_flag); + return -EINTR; + } + } + ++must_free; + } + + send_indices = DRM(alloc)(d->send_count * sizeof(*send_indices), + DRM_MEM_DRIVER); + if (send_indices == NULL) + return -ENOMEM; + if (copy_from_user(send_indices, d->send_indices, + d->send_count * sizeof(*send_indices))) { + retcode = -EFAULT; + goto cleanup; + } + + send_sizes = DRM(alloc)(d->send_count * sizeof(*send_sizes), + DRM_MEM_DRIVER); + if (send_sizes == NULL) + return -ENOMEM; + if (copy_from_user(send_sizes, d->send_sizes, + d->send_count * sizeof(*send_sizes))) { + retcode = -EFAULT; + goto cleanup; + } + + for (i = 0; i < d->send_count; i++) { + idx = send_indices[i]; + if (idx < 0 || idx >= dma->buf_count) { + DRM_ERROR("Index %d (of %d max)\n", + send_indices[i], dma->buf_count - 1); + continue; + } + buf = dma->buflist[ idx ]; + if (buf->filp != filp) { + DRM_ERROR("Process %d using buffer not owned\n", + current->pid); + retcode = -EINVAL; + goto cleanup; + } + if (buf->list != DRM_LIST_NONE) { + DRM_ERROR("Process %d using buffer on list %d\n", + current->pid, buf->list); + retcode = -EINVAL; + goto cleanup; + } + /* This isn't a race condition on + buf->list, since our concern is the + buffer reclaim during the time the + process closes the /dev/drm? handle, so + it can't also be doing DMA. */ + buf->list = DRM_LIST_PRIO; + buf->used = send_sizes[i]; + buf->context = d->context; + buf->while_locked = d->flags & _DRM_DMA_WHILE_LOCKED; + address = (unsigned long)buf->address; + length = buf->used; + if (!length) { + DRM_ERROR("0 length buffer\n"); + } + if (buf->pending) { + DRM_ERROR("Sending pending buffer:" + " buffer %d, offset %d\n", + send_indices[i], i); + retcode = -EINVAL; + goto cleanup; + } + if (buf->waiting) { + DRM_ERROR("Sending waiting buffer:" + " buffer %d, offset %d\n", + send_indices[i], i); + retcode = -EINVAL; + goto cleanup; + } + buf->pending = 1; + + if (dev->last_context != buf->context + && !(dev->queuelist[buf->context]->flags + & _DRM_CONTEXT_PRESERVED)) { + add_wait_queue(&dev->context_wait, &entry); + current->state = TASK_INTERRUPTIBLE; + /* PRE: dev->last_context != buf->context */ + DRM(context_switch)(dev, dev->last_context, + buf->context); + /* POST: we will wait for the context + switch and will dispatch on a later call + when dev->last_context == buf->context. + NOTE WE HOLD THE LOCK THROUGHOUT THIS + TIME! */ + schedule(); + current->state = TASK_RUNNING; + remove_wait_queue(&dev->context_wait, &entry); + if (signal_pending(current)) { + retcode = -EINTR; + goto cleanup; + } + if (dev->last_context != buf->context) { + DRM_ERROR("Context mismatch: %d %d\n", + dev->last_context, + buf->context); + } + } + + gamma_dma_dispatch(dev, address, length); + atomic_inc(&dev->counts[9]); /* _DRM_STAT_SPECIAL */ + atomic_add(length, &dev->counts[8]); /* _DRM_STAT_PRIMARY */ + + if (last_buf) { + gamma_free_buffer(dev, last_buf); + } + last_buf = buf; + } + + +cleanup: + if (last_buf) { + gamma_dma_ready(dev); + gamma_free_buffer(dev, last_buf); + } + if (send_indices) + DRM(free)(send_indices, d->send_count * sizeof(*send_indices), + DRM_MEM_DRIVER); + if (send_sizes) + DRM(free)(send_sizes, d->send_count * sizeof(*send_sizes), + DRM_MEM_DRIVER); + + if (must_free && !dev->context_flag) { + if (gamma_lock_free(dev, &dev->lock.hw_lock->lock, + DRM_KERNEL_CONTEXT)) { + DRM_ERROR("\n"); + } + } + clear_bit(0, &dev->interrupt_flag); + return retcode; +} + +static int gamma_dma_send_buffers(struct file *filp, + drm_device_t *dev, drm_dma_t *d) +{ + DECLARE_WAITQUEUE(entry, current); + drm_buf_t *last_buf = NULL; + int retcode = 0; + drm_device_dma_t *dma = dev->dma; + int send_index; + + if (get_user(send_index, &d->send_indices[d->send_count-1])) + return -EFAULT; + + if (d->flags & _DRM_DMA_BLOCK) { + last_buf = dma->buflist[send_index]; + add_wait_queue(&last_buf->dma_wait, &entry); + } + + if ((retcode = gamma_dma_enqueue(filp, d))) { + if (d->flags & _DRM_DMA_BLOCK) + remove_wait_queue(&last_buf->dma_wait, &entry); + return retcode; + } + + gamma_dma_schedule(dev, 0); + + if (d->flags & _DRM_DMA_BLOCK) { + DRM_DEBUG("%d waiting\n", current->pid); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!last_buf->waiting && !last_buf->pending) + break; /* finished */ + schedule(); + if (signal_pending(current)) { + retcode = -EINTR; /* Can't restart */ + break; + } + } + current->state = TASK_RUNNING; + DRM_DEBUG("%d running\n", current->pid); + remove_wait_queue(&last_buf->dma_wait, &entry); + if (!retcode + || (last_buf->list==DRM_LIST_PEND && !last_buf->pending)) { + if (!waitqueue_active(&last_buf->dma_wait)) { + gamma_free_buffer(dev, last_buf); + } + } + if (retcode) { + DRM_ERROR("ctx%d w%d p%d c%ld i%d l%d pid:%d\n", + d->context, + last_buf->waiting, + last_buf->pending, + (long)DRM_WAITCOUNT(dev, d->context), + last_buf->idx, + last_buf->list, + current->pid); + } + } + return retcode; +} + +int gamma_dma(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_device_dma_t *dma = dev->dma; + int retcode = 0; + drm_dma_t __user *argp = (void __user *)arg; + drm_dma_t d; + + if (copy_from_user(&d, argp, sizeof(d))) + return -EFAULT; + + if (d.send_count < 0 || d.send_count > dma->buf_count) { + DRM_ERROR("Process %d trying to send %d buffers (of %d max)\n", + current->pid, d.send_count, dma->buf_count); + return -EINVAL; + } + + if (d.request_count < 0 || d.request_count > dma->buf_count) { + DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n", + current->pid, d.request_count, dma->buf_count); + return -EINVAL; + } + + if (d.send_count) { + if (d.flags & _DRM_DMA_PRIORITY) + retcode = gamma_dma_priority(filp, dev, &d); + else + retcode = gamma_dma_send_buffers(filp, dev, &d); + } + + d.granted_count = 0; + + if (!retcode && d.request_count) { + retcode = gamma_dma_get_buffers(filp, &d); + } + + DRM_DEBUG("%d returning, granted = %d\n", + current->pid, d.granted_count); + if (copy_to_user(argp, &d, sizeof(d))) + return -EFAULT; + + return retcode; +} + +/* ============================================================= + * DMA initialization, cleanup + */ + +static int gamma_do_init_dma( drm_device_t *dev, drm_gamma_init_t *init ) +{ + drm_gamma_private_t *dev_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + int i; + struct list_head *list; + unsigned long *pgt; + + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + dev_priv = DRM(alloc)( sizeof(drm_gamma_private_t), + DRM_MEM_DRIVER ); + if ( !dev_priv ) + return -ENOMEM; + + dev->dev_private = (void *)dev_priv; + + memset( dev_priv, 0, sizeof(drm_gamma_private_t) ); + + dev_priv->num_rast = init->num_rast; + + list_for_each(list, &dev->maplist->head) { + drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); + if( r_list->map && + r_list->map->type == _DRM_SHM && + r_list->map->flags & _DRM_CONTAINS_LOCK ) { + dev_priv->sarea = r_list->map; + break; + } + } + + dev_priv->mmio0 = drm_core_findmap(dev, init->mmio0); + dev_priv->mmio1 = drm_core_findmap(dev, init->mmio1); + dev_priv->mmio2 = drm_core_findmap(dev, init->mmio2); + dev_priv->mmio3 = drm_core_findmap(dev, init->mmio3); + + dev_priv->sarea_priv = (drm_gamma_sarea_t *) + ((u8 *)dev_priv->sarea->handle + + init->sarea_priv_offset); + + if (init->pcimode) { + buf = dma->buflist[GLINT_DRI_BUF_COUNT]; + pgt = buf->address; + + for (i = 0; i < GLINT_DRI_BUF_COUNT; i++) { + buf = dma->buflist[i]; + *pgt = virt_to_phys((void*)buf->address) | 0x07; + pgt++; + } + + buf = dma->buflist[GLINT_DRI_BUF_COUNT]; + } else { + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + drm_core_ioremap( dev->agp_buffer_map, dev); + + buf = dma->buflist[GLINT_DRI_BUF_COUNT]; + pgt = buf->address; + + for (i = 0; i < GLINT_DRI_BUF_COUNT; i++) { + buf = dma->buflist[i]; + *pgt = (unsigned long)buf->address + 0x07; + pgt++; + } + + buf = dma->buflist[GLINT_DRI_BUF_COUNT]; + + while (GAMMA_READ(GAMMA_INFIFOSPACE) < 1); + GAMMA_WRITE( GAMMA_GDMACONTROL, 0xe); + } + while (GAMMA_READ(GAMMA_INFIFOSPACE) < 2); + GAMMA_WRITE( GAMMA_PAGETABLEADDR, virt_to_phys((void*)buf->address) ); + GAMMA_WRITE( GAMMA_PAGETABLELENGTH, 2 ); + + return 0; +} + +int gamma_do_cleanup_dma( drm_device_t *dev ) +{ + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) + if ( dev->irq_enabled ) + DRM(irq_uninstall)(dev); + + if ( dev->dev_private ) { + + if ( dev->agp_buffer_map != NULL ) + drm_core_ioremapfree( dev->agp_buffer_map, dev ); + + DRM(free)( dev->dev_private, sizeof(drm_gamma_private_t), + DRM_MEM_DRIVER ); + dev->dev_private = NULL; + } + + return 0; +} + +int gamma_dma_init( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_gamma_init_t init; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( copy_from_user( &init, (drm_gamma_init_t __user *)arg, sizeof(init) ) ) + return -EFAULT; + + switch ( init.func ) { + case GAMMA_INIT_DMA: + return gamma_do_init_dma( dev, &init ); + case GAMMA_CLEANUP_DMA: + return gamma_do_cleanup_dma( dev ); + } + + return -EINVAL; +} + +static int gamma_do_copy_dma( drm_device_t *dev, drm_gamma_copy_t *copy ) +{ + drm_device_dma_t *dma = dev->dma; + unsigned int *screenbuf; + + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + /* We've DRM_RESTRICTED this DMA buffer */ + + screenbuf = dma->buflist[ GLINT_DRI_BUF_COUNT + 1 ]->address; + +#if 0 + *buffer++ = 0x180; /* Tag (FilterMode) */ + *buffer++ = 0x200; /* Allow FBColor through */ + *buffer++ = 0x53B; /* Tag */ + *buffer++ = copy->Pitch; + *buffer++ = 0x53A; /* Tag */ + *buffer++ = copy->SrcAddress; + *buffer++ = 0x539; /* Tag */ + *buffer++ = copy->WidthHeight; /* Initiates transfer */ + *buffer++ = 0x53C; /* Tag - DMAOutputAddress */ + *buffer++ = virt_to_phys((void*)screenbuf); + *buffer++ = 0x53D; /* Tag - DMAOutputCount */ + *buffer++ = copy->Count; /* Reads HostOutFifo BLOCKS until ..*/ + + /* Data now sitting in dma->buflist[ GLINT_DRI_BUF_COUNT + 1 ] */ + /* Now put it back to the screen */ + + *buffer++ = 0x180; /* Tag (FilterMode) */ + *buffer++ = 0x400; /* Allow Sync through */ + *buffer++ = 0x538; /* Tag - DMARectangleReadTarget */ + *buffer++ = 0x155; /* FBSourceData | count */ + *buffer++ = 0x537; /* Tag */ + *buffer++ = copy->Pitch; + *buffer++ = 0x536; /* Tag */ + *buffer++ = copy->DstAddress; + *buffer++ = 0x535; /* Tag */ + *buffer++ = copy->WidthHeight; /* Initiates transfer */ + *buffer++ = 0x530; /* Tag - DMAAddr */ + *buffer++ = virt_to_phys((void*)screenbuf); + *buffer++ = 0x531; + *buffer++ = copy->Count; /* initiates DMA transfer of color data */ +#endif + + /* need to dispatch it now */ + + return 0; +} + +int gamma_dma_copy( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_gamma_copy_t copy; + + if ( copy_from_user( ©, (drm_gamma_copy_t __user *)arg, sizeof(copy) ) ) + return -EFAULT; + + return gamma_do_copy_dma( dev, © ); +} + +/* ============================================================= + * Per Context SAREA Support + */ + +int gamma_getsareactx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_priv_map_t __user *argp = (void __user *)arg; + drm_ctx_priv_map_t request; + drm_map_t *map; + + if (copy_from_user(&request, argp, sizeof(request))) + return -EFAULT; + + down(&dev->struct_sem); + if ((int)request.ctx_id >= dev->max_context) { + up(&dev->struct_sem); + return -EINVAL; + } + + map = dev->context_sareas[request.ctx_id]; + up(&dev->struct_sem); + + request.handle = map->handle; + if (copy_to_user(argp, &request, sizeof(request))) + return -EFAULT; + return 0; +} + +int gamma_setsareactx(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + drm_ctx_priv_map_t request; + drm_map_t *map = NULL; + drm_map_list_t *r_list; + struct list_head *list; + + if (copy_from_user(&request, + (drm_ctx_priv_map_t __user *)arg, + sizeof(request))) + return -EFAULT; + + down(&dev->struct_sem); + r_list = NULL; + list_for_each(list, &dev->maplist->head) { + r_list = list_entry(list, drm_map_list_t, head); + if(r_list->map && + r_list->map->handle == request.handle) break; + } + if (list == &(dev->maplist->head)) { + up(&dev->struct_sem); + return -EINVAL; + } + map = r_list->map; + up(&dev->struct_sem); + + if (!map) return -EINVAL; + + down(&dev->struct_sem); + if ((int)request.ctx_id >= dev->max_context) { + up(&dev->struct_sem); + return -EINVAL; + } + dev->context_sareas[request.ctx_id] = map; + up(&dev->struct_sem); + return 0; +} + +void gamma_driver_irq_preinstall( drm_device_t *dev ) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + + while(GAMMA_READ(GAMMA_INFIFOSPACE) < 2) + cpu_relax(); + + GAMMA_WRITE( GAMMA_GCOMMANDMODE, 0x00000004 ); + GAMMA_WRITE( GAMMA_GDMACONTROL, 0x00000000 ); +} + +void gamma_driver_irq_postinstall( drm_device_t *dev ) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + + while(GAMMA_READ(GAMMA_INFIFOSPACE) < 3) + cpu_relax(); + + GAMMA_WRITE( GAMMA_GINTENABLE, 0x00002001 ); + GAMMA_WRITE( GAMMA_COMMANDINTENABLE, 0x00000008 ); + GAMMA_WRITE( GAMMA_GDELAYTIMER, 0x00039090 ); +} + +void gamma_driver_irq_uninstall( drm_device_t *dev ) { + drm_gamma_private_t *dev_priv = + (drm_gamma_private_t *)dev->dev_private; + if (!dev_priv) + return; + + while(GAMMA_READ(GAMMA_INFIFOSPACE) < 3) + cpu_relax(); + + GAMMA_WRITE( GAMMA_GDELAYTIMER, 0x00000000 ); + GAMMA_WRITE( GAMMA_COMMANDINTENABLE, 0x00000000 ); + GAMMA_WRITE( GAMMA_GINTENABLE, 0x00000000 ); +} + +extern drm_ioctl_desc_t DRM(ioctls)[]; + +static int gamma_driver_preinit(drm_device_t *dev) +{ + /* reset the finish ioctl */ + DRM(ioctls)[DRM_IOCTL_NR(DRM_IOCTL_FINISH)].func = DRM(finish); + return 0; +} + +static void gamma_driver_pretakedown(drm_device_t *dev) +{ + gamma_do_cleanup_dma(dev); +} + +static void gamma_driver_dma_ready(drm_device_t *dev) +{ + gamma_dma_ready(dev); +} + +static int gamma_driver_dma_quiescent(drm_device_t *dev) +{ + drm_gamma_private_t *dev_priv = ( + drm_gamma_private_t *)dev->dev_private; + if (dev_priv->num_rast == 2) + gamma_dma_quiescent_dual(dev); + else gamma_dma_quiescent_single(dev); + return 0; +} + +void gamma_driver_register_fns(drm_device_t *dev) +{ + dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ; + DRM(fops).read = gamma_fops_read; + DRM(fops).poll = gamma_fops_poll; + dev->driver.preinit = gamma_driver_preinit; + dev->driver.pretakedown = gamma_driver_pretakedown; + dev->driver.dma_ready = gamma_driver_dma_ready; + dev->driver.dma_quiescent = gamma_driver_dma_quiescent; + dev->driver.dma_flush_block_and_flush = gamma_flush_block_and_flush; + dev->driver.dma_flush_unblock = gamma_flush_unblock; +} diff --git a/drivers/char/drm/gamma_drm.h b/drivers/char/drm/gamma_drm.h new file mode 100644 index 0000000..20819de --- /dev/null +++ b/drivers/char/drm/gamma_drm.h @@ -0,0 +1,90 @@ +#ifndef _GAMMA_DRM_H_ +#define _GAMMA_DRM_H_ + +typedef struct _drm_gamma_tex_region { + unsigned char next, prev; /* indices to form a circular LRU */ + unsigned char in_use; /* owned by a client, or free? */ + int age; /* tracked by clients to update local LRU's */ +} drm_gamma_tex_region_t; + +typedef struct { + unsigned int GDeltaMode; + unsigned int GDepthMode; + unsigned int GGeometryMode; + unsigned int GTransformMode; +} drm_gamma_context_regs_t; + +typedef struct _drm_gamma_sarea { + drm_gamma_context_regs_t context_state; + + unsigned int dirty; + + + /* Maintain an LRU of contiguous regions of texture space. If + * you think you own a region of texture memory, and it has an + * age different to the one you set, then you are mistaken and + * it has been stolen by another client. If global texAge + * hasn't changed, there is no need to walk the list. + * + * These regions can be used as a proxy for the fine-grained + * texture information of other clients - by maintaining them + * in the same lru which is used to age their own textures, + * clients have an approximate lru for the whole of global + * texture space, and can make informed decisions as to which + * areas to kick out. There is no need to choose whether to + * kick out your own texture or someone else's - simply eject + * them all in LRU order. + */ + +#define GAMMA_NR_TEX_REGIONS 64 + drm_gamma_tex_region_t texList[GAMMA_NR_TEX_REGIONS+1]; + /* Last elt is sentinal */ + int texAge; /* last time texture was uploaded */ + int last_enqueue; /* last time a buffer was enqueued */ + int last_dispatch; /* age of the most recently dispatched buffer */ + int last_quiescent; /* */ + int ctxOwner; /* last context to upload state */ + + int vertex_prim; +} drm_gamma_sarea_t; + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmGamma.h) + */ + +/* Gamma specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_IOCTL_GAMMA_INIT DRM_IOW( 0x40, drm_gamma_init_t) +#define DRM_IOCTL_GAMMA_COPY DRM_IOW( 0x41, drm_gamma_copy_t) + +typedef struct drm_gamma_copy { + unsigned int DMAOutputAddress; + unsigned int DMAOutputCount; + unsigned int DMAReadGLINTSource; + unsigned int DMARectangleWriteAddress; + unsigned int DMARectangleWriteLinePitch; + unsigned int DMARectangleWrite; + unsigned int DMARectangleReadAddress; + unsigned int DMARectangleReadLinePitch; + unsigned int DMARectangleRead; + unsigned int DMARectangleReadTarget; +} drm_gamma_copy_t; + +typedef struct drm_gamma_init { + enum { + GAMMA_INIT_DMA = 0x01, + GAMMA_CLEANUP_DMA = 0x02 + } func; + + int sarea_priv_offset; + int pcimode; + unsigned int mmio0; + unsigned int mmio1; + unsigned int mmio2; + unsigned int mmio3; + unsigned int buffers_offset; + int num_rast; +} drm_gamma_init_t; + +#endif /* _GAMMA_DRM_H_ */ diff --git a/drivers/char/drm/gamma_drv.c b/drivers/char/drm/gamma_drv.c new file mode 100644 index 0000000..e7e64b6 --- /dev/null +++ b/drivers/char/drm/gamma_drv.c @@ -0,0 +1,59 @@ +/* gamma.c -- 3dlabs GMX 2000 driver -*- linux-c -*- + * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/config.h> +#include "gamma.h" +#include "drmP.h" +#include "drm.h" +#include "gamma_drm.h" +#include "gamma_drv.h" + +#include "drm_auth.h" +#include "drm_agpsupport.h" +#include "drm_bufs.h" +#include "gamma_context.h" /* NOTE! */ +#include "drm_dma.h" +#include "gamma_old_dma.h" /* NOTE */ +#include "drm_drawable.h" +#include "drm_drv.h" + +#include "drm_fops.h" +#include "drm_init.h" +#include "drm_ioctl.h" +#include "drm_irq.h" +#include "gamma_lists.h" /* NOTE */ +#include "drm_lock.h" +#include "gamma_lock.h" /* NOTE */ +#include "drm_memory.h" +#include "drm_proc.h" +#include "drm_vm.h" +#include "drm_stub.h" +#include "drm_scatter.h" diff --git a/drivers/char/drm/gamma_drv.h b/drivers/char/drm/gamma_drv.h new file mode 100644 index 0000000..146fcc6 --- /dev/null +++ b/drivers/char/drm/gamma_drv.h @@ -0,0 +1,147 @@ +/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- linux-c -*- + * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#ifndef _GAMMA_DRV_H_ +#define _GAMMA_DRV_H_ + +typedef struct drm_gamma_private { + drm_gamma_sarea_t *sarea_priv; + drm_map_t *sarea; + drm_map_t *mmio0; + drm_map_t *mmio1; + drm_map_t *mmio2; + drm_map_t *mmio3; + int num_rast; +} drm_gamma_private_t; + + /* gamma_dma.c */ +extern int gamma_dma_init( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int gamma_dma_copy( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern int gamma_do_cleanup_dma( drm_device_t *dev ); +extern void gamma_dma_ready(drm_device_t *dev); +extern void gamma_dma_quiescent_single(drm_device_t *dev); +extern void gamma_dma_quiescent_dual(drm_device_t *dev); + + /* gamma_dma.c */ +extern int gamma_dma_schedule(drm_device_t *dev, int locked); +extern int gamma_dma(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int gamma_find_devices(void); +extern int gamma_found(void); + +/* Gamma-specific code pulled from drm_fops.h: + */ +extern int DRM(finish)(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg); +extern int DRM(flush_unblock)(drm_device_t *dev, int context, + drm_lock_flags_t flags); +extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags); + +/* Gamma-specific code pulled from drm_dma.h: + */ +extern void DRM(clear_next_buffer)(drm_device_t *dev); +extern int DRM(select_queue)(drm_device_t *dev, + void (*wrapper)(unsigned long)); +extern int DRM(dma_enqueue)(struct file *filp, drm_dma_t *dma); +extern int DRM(dma_get_buffers)(struct file *filp, drm_dma_t *dma); + + +/* Gamma-specific code pulled from drm_lists.h (now renamed gamma_lists.h): + */ +extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count); +extern int DRM(waitlist_destroy)(drm_waitlist_t *bl); +extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf); +extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl); +extern int DRM(freelist_create)(drm_freelist_t *bl, int count); +extern int DRM(freelist_destroy)(drm_freelist_t *bl); +extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, + drm_buf_t *buf); +extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block); + +/* externs for gamma changes to the ops */ +extern struct file_operations DRM(fops); +extern unsigned int gamma_fops_poll(struct file *filp, struct poll_table_struct *wait); +extern ssize_t gamma_fops_read(struct file *filp, char __user *buf, size_t count, loff_t *off); + + +#define GLINT_DRI_BUF_COUNT 256 + +#define GAMMA_OFF(reg) \ + ((reg < 0x1000) \ + ? reg \ + : ((reg < 0x10000) \ + ? (reg - 0x1000) \ + : ((reg < 0x11000) \ + ? (reg - 0x10000) \ + : (reg - 0x11000)))) + +#define GAMMA_BASE(reg) ((unsigned long) \ + ((reg < 0x1000) ? dev_priv->mmio0->handle : \ + ((reg < 0x10000) ? dev_priv->mmio1->handle : \ + ((reg < 0x11000) ? dev_priv->mmio2->handle : \ + dev_priv->mmio3->handle)))) +#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg)) +#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg) +#define GAMMA_READ(reg) GAMMA_DEREF(reg) +#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0) + +#define GAMMA_BROADCASTMASK 0x9378 +#define GAMMA_COMMANDINTENABLE 0x0c48 +#define GAMMA_DMAADDRESS 0x0028 +#define GAMMA_DMACOUNT 0x0030 +#define GAMMA_FILTERMODE 0x8c00 +#define GAMMA_GCOMMANDINTFLAGS 0x0c50 +#define GAMMA_GCOMMANDMODE 0x0c40 +#define GAMMA_QUEUED_DMA_MODE 1<<1 +#define GAMMA_GCOMMANDSTATUS 0x0c60 +#define GAMMA_GDELAYTIMER 0x0c38 +#define GAMMA_GDMACONTROL 0x0060 +#define GAMMA_USE_AGP 1<<1 +#define GAMMA_GINTENABLE 0x0808 +#define GAMMA_GINTFLAGS 0x0810 +#define GAMMA_INFIFOSPACE 0x0018 +#define GAMMA_OUTFIFOWORDS 0x0020 +#define GAMMA_OUTPUTFIFO 0x2000 +#define GAMMA_SYNC 0x8c40 +#define GAMMA_SYNC_TAG 0x0188 +#define GAMMA_PAGETABLEADDR 0x0C00 +#define GAMMA_PAGETABLELENGTH 0x0C08 + +#define GAMMA_PASSTHROUGH 0x1FE +#define GAMMA_DMAADDRTAG 0x530 +#define GAMMA_DMACOUNTTAG 0x531 +#define GAMMA_COMMANDINTTAG 0x532 + +#endif diff --git a/drivers/char/drm/gamma_lists.h b/drivers/char/drm/gamma_lists.h new file mode 100644 index 0000000..2d93f41 --- /dev/null +++ b/drivers/char/drm/gamma_lists.h @@ -0,0 +1,215 @@ +/* drm_lists.h -- Buffer list handling routines -*- linux-c -*- + * Created: Mon Apr 19 20:54:22 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" + + +int DRM(waitlist_create)(drm_waitlist_t *bl, int count) +{ + if (bl->count) return -EINVAL; + + bl->bufs = DRM(alloc)((bl->count + 2) * sizeof(*bl->bufs), + DRM_MEM_BUFLISTS); + + if(!bl->bufs) return -ENOMEM; + memset(bl->bufs, 0, sizeof(*bl->bufs)); + bl->count = count; + bl->rp = bl->bufs; + bl->wp = bl->bufs; + bl->end = &bl->bufs[bl->count+1]; + spin_lock_init(&bl->write_lock); + spin_lock_init(&bl->read_lock); + return 0; +} + +int DRM(waitlist_destroy)(drm_waitlist_t *bl) +{ + if (bl->rp != bl->wp) return -EINVAL; + if (bl->bufs) DRM(free)(bl->bufs, + (bl->count + 2) * sizeof(*bl->bufs), + DRM_MEM_BUFLISTS); + bl->count = 0; + bl->bufs = NULL; + bl->rp = NULL; + bl->wp = NULL; + bl->end = NULL; + return 0; +} + +int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf) +{ + int left; + unsigned long flags; + + left = DRM_LEFTCOUNT(bl); + if (!left) { + DRM_ERROR("Overflow while adding buffer %d from filp %p\n", + buf->idx, buf->filp); + return -EINVAL; + } + buf->list = DRM_LIST_WAIT; + + spin_lock_irqsave(&bl->write_lock, flags); + *bl->wp = buf; + if (++bl->wp >= bl->end) bl->wp = bl->bufs; + spin_unlock_irqrestore(&bl->write_lock, flags); + + return 0; +} + +drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl) +{ + drm_buf_t *buf; + unsigned long flags; + + spin_lock_irqsave(&bl->read_lock, flags); + buf = *bl->rp; + if (bl->rp == bl->wp) { + spin_unlock_irqrestore(&bl->read_lock, flags); + return NULL; + } + if (++bl->rp >= bl->end) bl->rp = bl->bufs; + spin_unlock_irqrestore(&bl->read_lock, flags); + + return buf; +} + +int DRM(freelist_create)(drm_freelist_t *bl, int count) +{ + atomic_set(&bl->count, 0); + bl->next = NULL; + init_waitqueue_head(&bl->waiting); + bl->low_mark = 0; + bl->high_mark = 0; + atomic_set(&bl->wfh, 0); + spin_lock_init(&bl->lock); + ++bl->initialized; + return 0; +} + +int DRM(freelist_destroy)(drm_freelist_t *bl) +{ + atomic_set(&bl->count, 0); + bl->next = NULL; + return 0; +} + +int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl, drm_buf_t *buf) +{ + drm_device_dma_t *dma = dev->dma; + + if (!dma) { + DRM_ERROR("No DMA support\n"); + return 1; + } + + if (buf->waiting || buf->pending || buf->list == DRM_LIST_FREE) { + DRM_ERROR("Freed buffer %d: w%d, p%d, l%d\n", + buf->idx, buf->waiting, buf->pending, buf->list); + } + if (!bl) return 1; + buf->list = DRM_LIST_FREE; + + spin_lock(&bl->lock); + buf->next = bl->next; + bl->next = buf; + spin_unlock(&bl->lock); + + atomic_inc(&bl->count); + if (atomic_read(&bl->count) > dma->buf_count) { + DRM_ERROR("%d of %d buffers free after addition of %d\n", + atomic_read(&bl->count), dma->buf_count, buf->idx); + return 1; + } + /* Check for high water mark */ + if (atomic_read(&bl->wfh) && atomic_read(&bl->count)>=bl->high_mark) { + atomic_set(&bl->wfh, 0); + wake_up_interruptible(&bl->waiting); + } + return 0; +} + +static drm_buf_t *DRM(freelist_try)(drm_freelist_t *bl) +{ + drm_buf_t *buf; + + if (!bl) return NULL; + + /* Get buffer */ + spin_lock(&bl->lock); + if (!bl->next) { + spin_unlock(&bl->lock); + return NULL; + } + buf = bl->next; + bl->next = bl->next->next; + spin_unlock(&bl->lock); + + atomic_dec(&bl->count); + buf->next = NULL; + buf->list = DRM_LIST_NONE; + if (buf->waiting || buf->pending) { + DRM_ERROR("Free buffer %d: w%d, p%d, l%d\n", + buf->idx, buf->waiting, buf->pending, buf->list); + } + + return buf; +} + +drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block) +{ + drm_buf_t *buf = NULL; + DECLARE_WAITQUEUE(entry, current); + + if (!bl || !bl->initialized) return NULL; + + /* Check for low water mark */ + if (atomic_read(&bl->count) <= bl->low_mark) /* Became low */ + atomic_set(&bl->wfh, 1); + if (atomic_read(&bl->wfh)) { + if (block) { + add_wait_queue(&bl->waiting, &entry); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!atomic_read(&bl->wfh) + && (buf = DRM(freelist_try)(bl))) break; + schedule(); + if (signal_pending(current)) break; + } + current->state = TASK_RUNNING; + remove_wait_queue(&bl->waiting, &entry); + } + return buf; + } + + return DRM(freelist_try)(bl); +} + diff --git a/drivers/char/drm/gamma_lock.h b/drivers/char/drm/gamma_lock.h new file mode 100644 index 0000000..ddec67e --- /dev/null +++ b/drivers/char/drm/gamma_lock.h @@ -0,0 +1,140 @@ +/* lock.c -- IOCTLs for locking -*- linux-c -*- + * Created: Tue Feb 2 08:37:54 1999 by faith@valinux.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + + +/* Gamma-specific code extracted from drm_lock.h: + */ +static int DRM(flush_queue)(drm_device_t *dev, int context) +{ + DECLARE_WAITQUEUE(entry, current); + int ret = 0; + drm_queue_t *q = dev->queuelist[context]; + + DRM_DEBUG("\n"); + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) > 1) { + atomic_inc(&q->block_write); + add_wait_queue(&q->flush_queue, &entry); + atomic_inc(&q->block_count); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!DRM_BUFCOUNT(&q->waitlist)) break; + schedule(); + if (signal_pending(current)) { + ret = -EINTR; /* Can't restart */ + break; + } + } + atomic_dec(&q->block_count); + current->state = TASK_RUNNING; + remove_wait_queue(&q->flush_queue, &entry); + } + atomic_dec(&q->use_count); + + /* NOTE: block_write is still incremented! + Use drm_flush_unlock_queue to decrement. */ + return ret; +} + +static int DRM(flush_unblock_queue)(drm_device_t *dev, int context) +{ + drm_queue_t *q = dev->queuelist[context]; + + DRM_DEBUG("\n"); + + atomic_inc(&q->use_count); + if (atomic_read(&q->use_count) > 1) { + if (atomic_read(&q->block_write)) { + atomic_dec(&q->block_write); + wake_up_interruptible(&q->write_queue); + } + } + atomic_dec(&q->use_count); + return 0; +} + +int DRM(flush_block_and_flush)(drm_device_t *dev, int context, + drm_lock_flags_t flags) +{ + int ret = 0; + int i; + + DRM_DEBUG("\n"); + + if (flags & _DRM_LOCK_FLUSH) { + ret = DRM(flush_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_queue)(dev, context); + } + if (flags & _DRM_LOCK_FLUSH_ALL) { + for (i = 0; !ret && i < dev->queue_count; i++) { + ret = DRM(flush_queue)(dev, i); + } + } + return ret; +} + +int DRM(flush_unblock)(drm_device_t *dev, int context, drm_lock_flags_t flags) +{ + int ret = 0; + int i; + + DRM_DEBUG("\n"); + + if (flags & _DRM_LOCK_FLUSH) { + ret = DRM(flush_unblock_queue)(dev, DRM_KERNEL_CONTEXT); + if (!ret) ret = DRM(flush_unblock_queue)(dev, context); + } + if (flags & _DRM_LOCK_FLUSH_ALL) { + for (i = 0; !ret && i < dev->queue_count; i++) { + ret = DRM(flush_unblock_queue)(dev, i); + } + } + + return ret; +} + +int DRM(finish)(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int ret = 0; + drm_lock_t lock; + + DRM_DEBUG("\n"); + + if (copy_from_user(&lock, (drm_lock_t __user *)arg, sizeof(lock))) + return -EFAULT; + ret = DRM(flush_block_and_flush)(dev, lock.context, lock.flags); + DRM(flush_unblock)(dev, lock.context, lock.flags); + return ret; +} diff --git a/drivers/char/drm/gamma_old_dma.h b/drivers/char/drm/gamma_old_dma.h new file mode 100644 index 0000000..abdd454 --- /dev/null +++ b/drivers/char/drm/gamma_old_dma.h @@ -0,0 +1,313 @@ +/* drm_dma.c -- DMA IOCTL and function support -*- linux-c -*- + * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com + * + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + + +/* Gamma-specific code pulled from drm_dma.h: + */ + +void DRM(clear_next_buffer)(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + + dma->next_buffer = NULL; + if (dma->next_queue && !DRM_BUFCOUNT(&dma->next_queue->waitlist)) { + wake_up_interruptible(&dma->next_queue->flush_queue); + } + dma->next_queue = NULL; +} + +int DRM(select_queue)(drm_device_t *dev, void (*wrapper)(unsigned long)) +{ + int i; + int candidate = -1; + int j = jiffies; + + if (!dev) { + DRM_ERROR("No device\n"); + return -1; + } + if (!dev->queuelist || !dev->queuelist[DRM_KERNEL_CONTEXT]) { + /* This only happens between the time the + interrupt is initialized and the time + the queues are initialized. */ + return -1; + } + + /* Doing "while locked" DMA? */ + if (DRM_WAITCOUNT(dev, DRM_KERNEL_CONTEXT)) { + return DRM_KERNEL_CONTEXT; + } + + /* If there are buffers on the last_context + queue, and we have not been executing + this context very long, continue to + execute this context. */ + if (dev->last_switch <= j + && dev->last_switch + DRM_TIME_SLICE > j + && DRM_WAITCOUNT(dev, dev->last_context)) { + return dev->last_context; + } + + /* Otherwise, find a candidate */ + for (i = dev->last_checked + 1; i < dev->queue_count; i++) { + if (DRM_WAITCOUNT(dev, i)) { + candidate = dev->last_checked = i; + break; + } + } + + if (candidate < 0) { + for (i = 0; i < dev->queue_count; i++) { + if (DRM_WAITCOUNT(dev, i)) { + candidate = dev->last_checked = i; + break; + } + } + } + + if (wrapper + && candidate >= 0 + && candidate != dev->last_context + && dev->last_switch <= j + && dev->last_switch + DRM_TIME_SLICE > j) { + if (dev->timer.expires != dev->last_switch + DRM_TIME_SLICE) { + del_timer(&dev->timer); + dev->timer.function = wrapper; + dev->timer.data = (unsigned long)dev; + dev->timer.expires = dev->last_switch+DRM_TIME_SLICE; + add_timer(&dev->timer); + } + return -1; + } + + return candidate; +} + + +int DRM(dma_enqueue)(struct file *filp, drm_dma_t *d) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int i; + drm_queue_t *q; + drm_buf_t *buf; + int idx; + int while_locked = 0; + drm_device_dma_t *dma = dev->dma; + int *ind; + int err; + DECLARE_WAITQUEUE(entry, current); + + DRM_DEBUG("%d\n", d->send_count); + + if (d->flags & _DRM_DMA_WHILE_LOCKED) { + int context = dev->lock.hw_lock->lock; + + if (!_DRM_LOCK_IS_HELD(context)) { + DRM_ERROR("No lock held during \"while locked\"" + " request\n"); + return -EINVAL; + } + if (d->context != _DRM_LOCKING_CONTEXT(context) + && _DRM_LOCKING_CONTEXT(context) != DRM_KERNEL_CONTEXT) { + DRM_ERROR("Lock held by %d while %d makes" + " \"while locked\" request\n", + _DRM_LOCKING_CONTEXT(context), + d->context); + return -EINVAL; + } + q = dev->queuelist[DRM_KERNEL_CONTEXT]; + while_locked = 1; + } else { + q = dev->queuelist[d->context]; + } + + + atomic_inc(&q->use_count); + if (atomic_read(&q->block_write)) { + add_wait_queue(&q->write_queue, &entry); + atomic_inc(&q->block_count); + for (;;) { + current->state = TASK_INTERRUPTIBLE; + if (!atomic_read(&q->block_write)) break; + schedule(); + if (signal_pending(current)) { + atomic_dec(&q->use_count); + remove_wait_queue(&q->write_queue, &entry); + return -EINTR; + } + } + atomic_dec(&q->block_count); + current->state = TASK_RUNNING; + remove_wait_queue(&q->write_queue, &entry); + } + + ind = DRM(alloc)(d->send_count * sizeof(int), DRM_MEM_DRIVER); + if (!ind) + return -ENOMEM; + + if (copy_from_user(ind, d->send_indices, d->send_count * sizeof(int))) { + err = -EFAULT; + goto out; + } + + err = -EINVAL; + for (i = 0; i < d->send_count; i++) { + idx = ind[i]; + if (idx < 0 || idx >= dma->buf_count) { + DRM_ERROR("Index %d (of %d max)\n", + ind[i], dma->buf_count - 1); + goto out; + } + buf = dma->buflist[ idx ]; + if (buf->filp != filp) { + DRM_ERROR("Process %d using buffer not owned\n", + current->pid); + goto out; + } + if (buf->list != DRM_LIST_NONE) { + DRM_ERROR("Process %d using buffer %d on list %d\n", + current->pid, buf->idx, buf->list); + goto out; + } + buf->used = ind[i]; + buf->while_locked = while_locked; + buf->context = d->context; + if (!buf->used) { + DRM_ERROR("Queueing 0 length buffer\n"); + } + if (buf->pending) { + DRM_ERROR("Queueing pending buffer:" + " buffer %d, offset %d\n", + ind[i], i); + goto out; + } + if (buf->waiting) { + DRM_ERROR("Queueing waiting buffer:" + " buffer %d, offset %d\n", + ind[i], i); + goto out; + } + buf->waiting = 1; + if (atomic_read(&q->use_count) == 1 + || atomic_read(&q->finalization)) { + DRM(free_buffer)(dev, buf); + } else { + DRM(waitlist_put)(&q->waitlist, buf); + atomic_inc(&q->total_queued); + } + } + atomic_dec(&q->use_count); + + return 0; + +out: + DRM(free)(ind, d->send_count * sizeof(int), DRM_MEM_DRIVER); + atomic_dec(&q->use_count); + return err; +} + +static int DRM(dma_get_buffers_of_order)(struct file *filp, drm_dma_t *d, + int order) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + int i; + drm_buf_t *buf; + drm_device_dma_t *dma = dev->dma; + + for (i = d->granted_count; i < d->request_count; i++) { + buf = DRM(freelist_get)(&dma->bufs[order].freelist, + d->flags & _DRM_DMA_WAIT); + if (!buf) break; + if (buf->pending || buf->waiting) { + DRM_ERROR("Free buffer %d in use: filp %p (w%d, p%d)\n", + buf->idx, + buf->filp, + buf->waiting, + buf->pending); + } + buf->filp = filp; + if (copy_to_user(&d->request_indices[i], + &buf->idx, + sizeof(buf->idx))) + return -EFAULT; + + if (copy_to_user(&d->request_sizes[i], + &buf->total, + sizeof(buf->total))) + return -EFAULT; + + ++d->granted_count; + } + return 0; +} + + +int DRM(dma_get_buffers)(struct file *filp, drm_dma_t *dma) +{ + int order; + int retcode = 0; + int tmp_order; + + order = DRM(order)(dma->request_size); + + dma->granted_count = 0; + retcode = DRM(dma_get_buffers_of_order)(filp, dma, order); + + if (dma->granted_count < dma->request_count + && (dma->flags & _DRM_DMA_SMALLER_OK)) { + for (tmp_order = order - 1; + !retcode + && dma->granted_count < dma->request_count + && tmp_order >= DRM_MIN_ORDER; + --tmp_order) { + + retcode = DRM(dma_get_buffers_of_order)(filp, dma, + tmp_order); + } + } + + if (dma->granted_count < dma->request_count + && (dma->flags & _DRM_DMA_LARGER_OK)) { + for (tmp_order = order + 1; + !retcode + && dma->granted_count < dma->request_count + && tmp_order <= DRM_MAX_ORDER; + ++tmp_order) { + + retcode = DRM(dma_get_buffers_of_order)(filp, dma, + tmp_order); + } + } + return 0; +} + diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c new file mode 100644 index 0000000..24857cc --- /dev/null +++ b/drivers/char/drm/i810_dma.c @@ -0,0 +1,1385 @@ +/* i810_dma.c -- DMA support for the i810 -*- linux-c -*- + * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + * + */ + +#include "drmP.h" +#include "drm.h" +#include "i810_drm.h" +#include "i810_drv.h" +#include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> +#include <linux/pagemap.h> + +#define I810_BUF_FREE 2 +#define I810_BUF_CLIENT 1 +#define I810_BUF_HARDWARE 0 + +#define I810_BUF_UNMAPPED 0 +#define I810_BUF_MAPPED 1 + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,2) +#define down_write down +#define up_write up +#endif + +static drm_buf_t *i810_freelist_get(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + int i; + int used; + + /* Linear search might not be the best solution */ + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + /* In use is already a pointer */ + used = cmpxchg(buf_priv->in_use, I810_BUF_FREE, + I810_BUF_CLIENT); + if (used == I810_BUF_FREE) { + return buf; + } + } + return NULL; +} + +/* This should only be called if the buffer is not sent to the hardware + * yet, the hardware updates in use for us once its on the ring buffer. + */ + +static int i810_freelist_put(drm_device_t *dev, drm_buf_t *buf) +{ + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + int used; + + /* In use is already a pointer */ + used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, I810_BUF_FREE); + if (used != I810_BUF_CLIENT) { + DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); + return -EINVAL; + } + + return 0; +} + +static struct file_operations i810_buffer_fops = { + .open = drm_open, + .flush = drm_flush, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = i810_mmap_buffers, + .fasync = drm_fasync, +}; + +int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_i810_private_t *dev_priv; + drm_buf_t *buf; + drm_i810_buf_priv_t *buf_priv; + + lock_kernel(); + dev = priv->head->dev; + dev_priv = dev->dev_private; + buf = dev_priv->mmap_buffer; + buf_priv = buf->dev_private; + + vma->vm_flags |= (VM_IO | VM_DONTCOPY); + vma->vm_file = filp; + + buf_priv->currently_mapped = I810_BUF_MAPPED; + unlock_kernel(); + + if (io_remap_pfn_range(vma, vma->vm_start, + VM_OFFSET(vma) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) return -EAGAIN; + return 0; +} + +static int i810_map_buffer(drm_buf_t *buf, struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + drm_i810_private_t *dev_priv = dev->dev_private; + struct file_operations *old_fops; + int retcode = 0; + + if (buf_priv->currently_mapped == I810_BUF_MAPPED) + return -EINVAL; + + down_write( ¤t->mm->mmap_sem ); + old_fops = filp->f_op; + filp->f_op = &i810_buffer_fops; + dev_priv->mmap_buffer = buf; + buf_priv->virtual = (void *)do_mmap(filp, 0, buf->total, + PROT_READ|PROT_WRITE, + MAP_SHARED, + buf->bus_address); + dev_priv->mmap_buffer = NULL; + filp->f_op = old_fops; + if ((unsigned long)buf_priv->virtual > -1024UL) { + /* Real error */ + DRM_ERROR("mmap error\n"); + retcode = (signed int)buf_priv->virtual; + buf_priv->virtual = NULL; + } + up_write( ¤t->mm->mmap_sem ); + + return retcode; +} + +static int i810_unmap_buffer(drm_buf_t *buf) +{ + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + int retcode = 0; + + if (buf_priv->currently_mapped != I810_BUF_MAPPED) + return -EINVAL; + + down_write(¤t->mm->mmap_sem); + retcode = do_munmap(current->mm, + (unsigned long)buf_priv->virtual, + (size_t) buf->total); + up_write(¤t->mm->mmap_sem); + + buf_priv->currently_mapped = I810_BUF_UNMAPPED; + buf_priv->virtual = NULL; + + return retcode; +} + +static int i810_dma_get_buffer(drm_device_t *dev, drm_i810_dma_t *d, + struct file *filp) +{ + drm_buf_t *buf; + drm_i810_buf_priv_t *buf_priv; + int retcode = 0; + + buf = i810_freelist_get(dev); + if (!buf) { + retcode = -ENOMEM; + DRM_DEBUG("retcode=%d\n", retcode); + return retcode; + } + + retcode = i810_map_buffer(buf, filp); + if (retcode) { + i810_freelist_put(dev, buf); + DRM_ERROR("mapbuf failed, retcode %d\n", retcode); + return retcode; + } + buf->filp = filp; + buf_priv = buf->dev_private; + d->granted = 1; + d->request_idx = buf->idx; + d->request_size = buf->total; + d->virtual = buf_priv->virtual; + + return retcode; +} + +static int i810_dma_cleanup(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ) && dev->irq_enabled) + drm_irq_uninstall(dev); + + if (dev->dev_private) { + int i; + drm_i810_private_t *dev_priv = + (drm_i810_private_t *) dev->dev_private; + + if (dev_priv->ring.virtual_start) { + drm_ioremapfree((void *) dev_priv->ring.virtual_start, + dev_priv->ring.Size, dev); + } + if (dev_priv->hw_status_page) { + pci_free_consistent(dev->pdev, PAGE_SIZE, + dev_priv->hw_status_page, + dev_priv->dma_status_page); + /* Need to rewrite hardware status page */ + I810_WRITE(0x02080, 0x1ffff000); + } + drm_free(dev->dev_private, sizeof(drm_i810_private_t), + DRM_MEM_DRIVER); + dev->dev_private = NULL; + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + if ( buf_priv->kernel_virtual && buf->total ) + drm_ioremapfree(buf_priv->kernel_virtual, buf->total, dev); + } + } + return 0; +} + +static int i810_wait_ring(drm_device_t *dev, int n) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_ring_buffer_t *ring = &(dev_priv->ring); + int iters = 0; + unsigned long end; + unsigned int last_head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + + end = jiffies + (HZ*3); + while (ring->space < n) { + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->space = ring->head - (ring->tail+8); + if (ring->space < 0) ring->space += ring->Size; + + if (ring->head != last_head) { + end = jiffies + (HZ*3); + last_head = ring->head; + } + + iters++; + if (time_before(end, jiffies)) { + DRM_ERROR("space: %d wanted %d\n", ring->space, n); + DRM_ERROR("lockup\n"); + goto out_wait_ring; + } + udelay(1); + } + +out_wait_ring: + return iters; +} + +static void i810_kernel_lost_context(drm_device_t *dev) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_ring_buffer_t *ring = &(dev_priv->ring); + + ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->tail = I810_READ(LP_RING + RING_TAIL); + ring->space = ring->head - (ring->tail+8); + if (ring->space < 0) ring->space += ring->Size; +} + +static int i810_freelist_init(drm_device_t *dev, drm_i810_private_t *dev_priv) +{ + drm_device_dma_t *dma = dev->dma; + int my_idx = 24; + u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx); + int i; + + if (dma->buf_count > 1019) { + /* Not enough space in the status page for the freelist */ + return -EINVAL; + } + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + + buf_priv->in_use = hw_status++; + buf_priv->my_use_idx = my_idx; + my_idx += 4; + + *buf_priv->in_use = I810_BUF_FREE; + + buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, + buf->total, dev); + } + return 0; +} + +static int i810_dma_initialize(drm_device_t *dev, + drm_i810_private_t *dev_priv, + drm_i810_init_t *init) +{ + struct list_head *list; + + memset(dev_priv, 0, sizeof(drm_i810_private_t)); + + list_for_each(list, &dev->maplist->head) { + drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); + if (r_list->map && + r_list->map->type == _DRM_SHM && + r_list->map->flags & _DRM_CONTAINS_LOCK ) { + dev_priv->sarea_map = r_list->map; + break; + } + } + if (!dev_priv->sarea_map) { + dev->dev_private = (void *)dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("can not find sarea!\n"); + return -EINVAL; + } + dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio_map) { + dev->dev_private = (void *)dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("can not find mmio map!\n"); + return -EINVAL; + } + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + if (!dev->agp_buffer_map) { + dev->dev_private = (void *)dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("can not find dma buffer map!\n"); + return -EINVAL; + } + + dev_priv->sarea_priv = (drm_i810_sarea_t *) + ((u8 *)dev_priv->sarea_map->handle + + init->sarea_priv_offset); + + dev_priv->ring.Start = init->ring_start; + dev_priv->ring.End = init->ring_end; + dev_priv->ring.Size = init->ring_size; + + dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + + init->ring_start, + init->ring_size, dev); + + if (dev_priv->ring.virtual_start == NULL) { + dev->dev_private = (void *) dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("can not ioremap virtual address for" + " ring buffer\n"); + return -ENOMEM; + } + + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + + dev_priv->w = init->w; + dev_priv->h = init->h; + dev_priv->pitch = init->pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->depth_offset = init->depth_offset; + dev_priv->front_offset = init->front_offset; + + dev_priv->overlay_offset = init->overlay_offset; + dev_priv->overlay_physical = init->overlay_physical; + + dev_priv->front_di1 = init->front_offset | init->pitch_bits; + dev_priv->back_di1 = init->back_offset | init->pitch_bits; + dev_priv->zi1 = init->depth_offset | init->pitch_bits; + + /* Program Hardware Status Page */ + dev_priv->hw_status_page = + pci_alloc_consistent(dev->pdev, PAGE_SIZE, + &dev_priv->dma_status_page); + if (!dev_priv->hw_status_page) { + dev->dev_private = (void *)dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("Can not allocate hardware status page\n"); + return -ENOMEM; + } + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + + I810_WRITE(0x02080, dev_priv->dma_status_page); + DRM_DEBUG("Enabled hardware status page\n"); + + /* Now we need to init our freelist */ + if (i810_freelist_init(dev, dev_priv) != 0) { + dev->dev_private = (void *)dev_priv; + i810_dma_cleanup(dev); + DRM_ERROR("Not enough space in the status page for" + " the freelist\n"); + return -ENOMEM; + } + dev->dev_private = (void *)dev_priv; + + return 0; +} + +/* i810 DRM version 1.1 used a smaller init structure with different + * ordering of values than is currently used (drm >= 1.2). There is + * no defined way to detect the XFree version to correct this problem, + * however by checking using this procedure we can detect the correct + * thing to do. + * + * #1 Read the Smaller init structure from user-space + * #2 Verify the overlay_physical is a valid physical address, or NULL + * If it isn't then we have a v1.1 client. Fix up params. + * If it is, then we have a 1.2 client... get the rest of the data. + */ +static int i810_dma_init_compat(drm_i810_init_t *init, unsigned long arg) +{ + + /* Get v1.1 init data */ + if (copy_from_user(init, (drm_i810_pre12_init_t __user *)arg, + sizeof(drm_i810_pre12_init_t))) { + return -EFAULT; + } + + if ((!init->overlay_physical) || (init->overlay_physical > 4096)) { + + /* This is a v1.2 client, just get the v1.2 init data */ + DRM_INFO("Using POST v1.2 init.\n"); + if (copy_from_user(init, (drm_i810_init_t __user *)arg, + sizeof(drm_i810_init_t))) { + return -EFAULT; + } + } else { + + /* This is a v1.1 client, fix the params */ + DRM_INFO("Using PRE v1.2 init.\n"); + init->pitch_bits = init->h; + init->pitch = init->w; + init->h = init->overlay_physical; + init->w = init->overlay_offset; + init->overlay_physical = 0; + init->overlay_offset = 0; + } + + return 0; +} + +static int i810_dma_init(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv; + drm_i810_init_t init; + int retcode = 0; + + /* Get only the init func */ + if (copy_from_user(&init, (void __user *)arg, sizeof(drm_i810_init_func_t))) + return -EFAULT; + + switch(init.func) { + case I810_INIT_DMA: + /* This case is for backward compatibility. It + * handles XFree 4.1.0 and 4.2.0, and has to + * do some parameter checking as described below. + * It will someday go away. + */ + retcode = i810_dma_init_compat(&init, arg); + if (retcode) + return retcode; + + dev_priv = drm_alloc(sizeof(drm_i810_private_t), + DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + retcode = i810_dma_initialize(dev, dev_priv, &init); + break; + + default: + case I810_INIT_DMA_1_4: + DRM_INFO("Using v1.4 init.\n"); + if (copy_from_user(&init, (drm_i810_init_t __user *)arg, + sizeof(drm_i810_init_t))) { + return -EFAULT; + } + dev_priv = drm_alloc(sizeof(drm_i810_private_t), + DRM_MEM_DRIVER); + if (dev_priv == NULL) + return -ENOMEM; + retcode = i810_dma_initialize(dev, dev_priv, &init); + break; + + case I810_CLEANUP_DMA: + DRM_INFO("DMA Cleanup\n"); + retcode = i810_dma_cleanup(dev); + break; + } + + return retcode; +} + + + +/* Most efficient way to verify state for the i810 is as it is + * emitted. Non-conformant state is silently dropped. + * + * Use 'volatile' & local var tmp to force the emitted values to be + * identical to the verified ones. + */ +static void i810EmitContextVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + int i, j = 0; + unsigned int tmp; + RING_LOCALS; + + BEGIN_LP_RING( I810_CTX_SETUP_SIZE ); + + OUT_RING( GFX_OP_COLOR_FACTOR ); + OUT_RING( code[I810_CTXREG_CF1] ); + + OUT_RING( GFX_OP_STIPPLE ); + OUT_RING( code[I810_CTXREG_ST1] ); + + for ( i = 4 ; i < I810_CTX_SETUP_SIZE ; i++ ) { + tmp = code[i]; + + if ((tmp & (7<<29)) == (3<<29) && + (tmp & (0x1f<<24)) < (0x1d<<24)) + { + OUT_RING( tmp ); + j++; + } + else printk("constext state dropped!!!\n"); + } + + if (j & 1) + OUT_RING( 0 ); + + ADVANCE_LP_RING(); +} + +static void i810EmitTexVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + int i, j = 0; + unsigned int tmp; + RING_LOCALS; + + BEGIN_LP_RING( I810_TEX_SETUP_SIZE ); + + OUT_RING( GFX_OP_MAP_INFO ); + OUT_RING( code[I810_TEXREG_MI1] ); + OUT_RING( code[I810_TEXREG_MI2] ); + OUT_RING( code[I810_TEXREG_MI3] ); + + for ( i = 4 ; i < I810_TEX_SETUP_SIZE ; i++ ) { + tmp = code[i]; + + if ((tmp & (7<<29)) == (3<<29) && + (tmp & (0x1f<<24)) < (0x1d<<24)) + { + OUT_RING( tmp ); + j++; + } + else printk("texture state dropped!!!\n"); + } + + if (j & 1) + OUT_RING( 0 ); + + ADVANCE_LP_RING(); +} + + +/* Need to do some additional checking when setting the dest buffer. + */ +static void i810EmitDestVerified( drm_device_t *dev, + volatile unsigned int *code ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + unsigned int tmp; + RING_LOCALS; + + BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 ); + + tmp = code[I810_DESTREG_DI1]; + if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { + OUT_RING( CMD_OP_DESTBUFFER_INFO ); + OUT_RING( tmp ); + } else + DRM_DEBUG("bad di1 %x (allow %x or %x)\n", + tmp, dev_priv->front_di1, dev_priv->back_di1); + + /* invarient: + */ + OUT_RING( CMD_OP_Z_BUFFER_INFO ); + OUT_RING( dev_priv->zi1 ); + + OUT_RING( GFX_OP_DESTBUFFER_VARS ); + OUT_RING( code[I810_DESTREG_DV1] ); + + OUT_RING( GFX_OP_DRAWRECT_INFO ); + OUT_RING( code[I810_DESTREG_DR1] ); + OUT_RING( code[I810_DESTREG_DR2] ); + OUT_RING( code[I810_DESTREG_DR3] ); + OUT_RING( code[I810_DESTREG_DR4] ); + OUT_RING( 0 ); + + ADVANCE_LP_RING(); +} + + + +static void i810EmitState( drm_device_t *dev ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + + DRM_DEBUG("%s %x\n", __FUNCTION__, dirty); + + if (dirty & I810_UPLOAD_BUFFERS) { + i810EmitDestVerified( dev, sarea_priv->BufferState ); + sarea_priv->dirty &= ~I810_UPLOAD_BUFFERS; + } + + if (dirty & I810_UPLOAD_CTX) { + i810EmitContextVerified( dev, sarea_priv->ContextState ); + sarea_priv->dirty &= ~I810_UPLOAD_CTX; + } + + if (dirty & I810_UPLOAD_TEX0) { + i810EmitTexVerified( dev, sarea_priv->TexState[0] ); + sarea_priv->dirty &= ~I810_UPLOAD_TEX0; + } + + if (dirty & I810_UPLOAD_TEX1) { + i810EmitTexVerified( dev, sarea_priv->TexState[1] ); + sarea_priv->dirty &= ~I810_UPLOAD_TEX1; + } +} + + + +/* need to verify + */ +static void i810_dma_dispatch_clear( drm_device_t *dev, int flags, + unsigned int clear_color, + unsigned int clear_zval ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int pitch = dev_priv->pitch; + int cpp = 2; + int i; + RING_LOCALS; + + if ( dev_priv->current_page == 1 ) { + unsigned int tmp = flags; + + flags &= ~(I810_FRONT | I810_BACK); + if (tmp & I810_FRONT) flags |= I810_BACK; + if (tmp & I810_BACK) flags |= I810_FRONT; + } + + i810_kernel_lost_context(dev); + + if (nbox > I810_NR_SAREA_CLIPRECTS) + nbox = I810_NR_SAREA_CLIPRECTS; + + for (i = 0 ; i < nbox ; i++, pbox++) { + unsigned int x = pbox->x1; + unsigned int y = pbox->y1; + unsigned int width = (pbox->x2 - x) * cpp; + unsigned int height = pbox->y2 - y; + unsigned int start = y * pitch + x * cpp; + + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > dev_priv->w || + pbox->y2 > dev_priv->h) + continue; + + if ( flags & I810_FRONT ) { + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | + BR00_OP_COLOR_BLT | 0x3 ); + OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); + OUT_RING( (height << 16) | width ); + OUT_RING( start ); + OUT_RING( clear_color ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } + + if ( flags & I810_BACK ) { + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | + BR00_OP_COLOR_BLT | 0x3 ); + OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); + OUT_RING( (height << 16) | width ); + OUT_RING( dev_priv->back_offset + start ); + OUT_RING( clear_color ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } + + if ( flags & I810_DEPTH ) { + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | + BR00_OP_COLOR_BLT | 0x3 ); + OUT_RING( BR13_SOLID_PATTERN | (0xF0 << 16) | pitch ); + OUT_RING( (height << 16) | width ); + OUT_RING( dev_priv->depth_offset + start ); + OUT_RING( clear_zval ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } + } +} + +static void i810_dma_dispatch_swap( drm_device_t *dev ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int pitch = dev_priv->pitch; + int cpp = 2; + int i; + RING_LOCALS; + + DRM_DEBUG("swapbuffers\n"); + + i810_kernel_lost_context(dev); + + if (nbox > I810_NR_SAREA_CLIPRECTS) + nbox = I810_NR_SAREA_CLIPRECTS; + + for (i = 0 ; i < nbox; i++, pbox++) + { + unsigned int w = pbox->x2 - pbox->x1; + unsigned int h = pbox->y2 - pbox->y1; + unsigned int dst = pbox->x1*cpp + pbox->y1*pitch; + unsigned int start = dst; + + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > dev_priv->w || + pbox->y2 > dev_priv->h) + continue; + + BEGIN_LP_RING( 6 ); + OUT_RING( BR00_BITBLT_CLIENT | BR00_OP_SRC_COPY_BLT | 0x4 ); + OUT_RING( pitch | (0xCC << 16)); + OUT_RING( (h << 16) | (w * cpp)); + if (dev_priv->current_page == 0) + OUT_RING(dev_priv->front_offset + start); + else + OUT_RING(dev_priv->back_offset + start); + OUT_RING( pitch ); + if (dev_priv->current_page == 0) + OUT_RING(dev_priv->back_offset + start); + else + OUT_RING(dev_priv->front_offset + start); + ADVANCE_LP_RING(); + } +} + + +static void i810_dma_dispatch_vertex(drm_device_t *dev, + drm_buf_t *buf, + int discard, + int used) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_clip_rect_t *box = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + unsigned long address = (unsigned long)buf->bus_address; + unsigned long start = address - dev->agp->base; + int i = 0; + RING_LOCALS; + + i810_kernel_lost_context(dev); + + if (nbox > I810_NR_SAREA_CLIPRECTS) + nbox = I810_NR_SAREA_CLIPRECTS; + + if (used > 4*1024) + used = 0; + + if (sarea_priv->dirty) + i810EmitState( dev ); + + if (buf_priv->currently_mapped == I810_BUF_MAPPED) { + unsigned int prim = (sarea_priv->vertex_prim & PR_MASK); + + *(u32 *)buf_priv->kernel_virtual = ((GFX_OP_PRIMITIVE | prim | ((used/4)-2))); + + if (used & 4) { + *(u32 *)((u32)buf_priv->kernel_virtual + used) = 0; + used += 4; + } + + i810_unmap_buffer(buf); + } + + if (used) { + do { + if (i < nbox) { + BEGIN_LP_RING(4); + OUT_RING( GFX_OP_SCISSOR | SC_UPDATE_SCISSOR | + SC_ENABLE ); + OUT_RING( GFX_OP_SCISSOR_INFO ); + OUT_RING( box[i].x1 | (box[i].y1<<16) ); + OUT_RING( (box[i].x2-1) | ((box[i].y2-1)<<16) ); + ADVANCE_LP_RING(); + } + + BEGIN_LP_RING(4); + OUT_RING( CMD_OP_BATCH_BUFFER ); + OUT_RING( start | BB1_PROTECTED ); + OUT_RING( start + used - 4 ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + } while (++i < nbox); + } + + if (discard) { + dev_priv->counter++; + + (void) cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + I810_BUF_HARDWARE); + + BEGIN_LP_RING(8); + OUT_RING( CMD_STORE_DWORD_IDX ); + OUT_RING( 20 ); + OUT_RING( dev_priv->counter ); + OUT_RING( CMD_STORE_DWORD_IDX ); + OUT_RING( buf_priv->my_use_idx ); + OUT_RING( I810_BUF_FREE ); + OUT_RING( CMD_REPORT_HEAD ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } +} + +static void i810_dma_dispatch_flip( drm_device_t *dev ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + int pitch = dev_priv->pitch; + RING_LOCALS; + + DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pf_current_page); + + i810_kernel_lost_context(dev); + + BEGIN_LP_RING( 2 ); + OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + BEGIN_LP_RING( I810_DEST_SETUP_SIZE + 2 ); + /* On i815 at least ASYNC is buggy */ + /* pitch<<5 is from 11.2.8 p158, + its the pitch / 8 then left shifted 8, + so (pitch >> 3) << 8 */ + OUT_RING( CMD_OP_FRONTBUFFER_INFO | (pitch<<5) /*| ASYNC_FLIP */ ); + if ( dev_priv->current_page == 0 ) { + OUT_RING( dev_priv->back_offset ); + dev_priv->current_page = 1; + } else { + OUT_RING( dev_priv->front_offset ); + dev_priv->current_page = 0; + } + OUT_RING(0); + ADVANCE_LP_RING(); + + BEGIN_LP_RING(2); + OUT_RING( CMD_OP_WAIT_FOR_EVENT | WAIT_FOR_PLANE_A_FLIP ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; + +} + +static void i810_dma_quiescent(drm_device_t *dev) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + +/* printk("%s\n", __FUNCTION__); */ + + i810_kernel_lost_context(dev); + + BEGIN_LP_RING(4); + OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); + OUT_RING( CMD_REPORT_HEAD ); + OUT_RING( 0 ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + i810_wait_ring( dev, dev_priv->ring.Size - 8 ); +} + +static int i810_flush_queue(drm_device_t *dev) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + int i, ret = 0; + RING_LOCALS; + +/* printk("%s\n", __FUNCTION__); */ + + i810_kernel_lost_context(dev); + + BEGIN_LP_RING(2); + OUT_RING( CMD_REPORT_HEAD ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + i810_wait_ring( dev, dev_priv->ring.Size - 8 ); + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + + int used = cmpxchg(buf_priv->in_use, I810_BUF_HARDWARE, + I810_BUF_FREE); + + if (used == I810_BUF_HARDWARE) + DRM_DEBUG("reclaimed from HARDWARE\n"); + if (used == I810_BUF_CLIENT) + DRM_DEBUG("still on client\n"); + } + + return ret; +} + +/* Must be called with the lock held */ +void i810_reclaim_buffers(drm_device_t *dev, struct file *filp) +{ + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return; + if (!dev->dev_private) return; + if (!dma->buflist) return; + + i810_flush_queue(dev); + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + + if (buf->filp == filp && buf_priv) { + int used = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + I810_BUF_FREE); + + if (used == I810_BUF_CLIENT) + DRM_DEBUG("reclaimed from client\n"); + if (buf_priv->currently_mapped == I810_BUF_MAPPED) + buf_priv->currently_mapped = I810_BUF_UNMAPPED; + } + } +} + +int i810_flush_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + LOCK_TEST_WITH_RETURN(dev, filp); + + i810_flush_queue(dev); + return 0; +} + + +static int i810_dma_vertex(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; + drm_i810_vertex_t vertex; + + if (copy_from_user(&vertex, (drm_i810_vertex_t __user *)arg, sizeof(vertex))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + DRM_DEBUG("i810 dma vertex, idx %d used %d discard %d\n", + vertex.idx, vertex.used, vertex.discard); + + if (vertex.idx < 0 || vertex.idx > dma->buf_count) + return -EINVAL; + + i810_dma_dispatch_vertex( dev, + dma->buflist[ vertex.idx ], + vertex.discard, vertex.used ); + + atomic_add(vertex.used, &dev->counts[_DRM_STAT_SECONDARY]); + atomic_inc(&dev->counts[_DRM_STAT_DMA]); + sarea_priv->last_enqueue = dev_priv->counter-1; + sarea_priv->last_dispatch = (int) hw_status[5]; + + return 0; +} + + + +static int i810_clear_bufs(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_clear_t clear; + + if (copy_from_user(&clear, (drm_i810_clear_t __user *)arg, sizeof(clear))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + /* GH: Someone's doing nasty things... */ + if (!dev->dev_private) { + return -EINVAL; + } + + i810_dma_dispatch_clear( dev, clear.flags, + clear.clear_color, + clear.clear_depth ); + return 0; +} + +static int i810_swap_bufs(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + DRM_DEBUG("i810_swap_bufs\n"); + + LOCK_TEST_WITH_RETURN(dev, filp); + + i810_dma_dispatch_swap( dev ); + return 0; +} + +static int i810_getage(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; + + sarea_priv->last_dispatch = (int) hw_status[5]; + return 0; +} + +static int i810_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + int retcode = 0; + drm_i810_dma_t d; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; + + if (copy_from_user(&d, (drm_i810_dma_t __user *)arg, sizeof(d))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + d.granted = 0; + + retcode = i810_dma_get_buffer(dev, &d, filp); + + DRM_DEBUG("i810_dma: %d returning %d, granted = %d\n", + current->pid, retcode, d.granted); + + if (copy_to_user((drm_dma_t __user *)arg, &d, sizeof(d))) + return -EFAULT; + sarea_priv->last_dispatch = (int) hw_status[5]; + + return retcode; +} + +static int i810_copybuf(struct inode *inode, + struct file *filp, unsigned int cmd, unsigned long arg) +{ + /* Never copy - 2.4.x doesn't need it */ + return 0; +} + +static int i810_docopy(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + /* Never copy - 2.4.x doesn't need it */ + return 0; +} + +static void i810_dma_dispatch_mc(drm_device_t *dev, drm_buf_t *buf, int used, + unsigned int last_render) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + drm_i810_buf_priv_t *buf_priv = buf->dev_private; + drm_i810_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned long address = (unsigned long)buf->bus_address; + unsigned long start = address - dev->agp->base; + int u; + RING_LOCALS; + + i810_kernel_lost_context(dev); + + u = cmpxchg(buf_priv->in_use, I810_BUF_CLIENT, + I810_BUF_HARDWARE); + if (u != I810_BUF_CLIENT) { + DRM_DEBUG("MC found buffer that isn't mine!\n"); + } + + if (used > 4*1024) + used = 0; + + sarea_priv->dirty = 0x7f; + + DRM_DEBUG("dispatch mc addr 0x%lx, used 0x%x\n", + address, used); + + dev_priv->counter++; + DRM_DEBUG("dispatch counter : %ld\n", dev_priv->counter); + DRM_DEBUG("i810_dma_dispatch_mc\n"); + DRM_DEBUG("start : %lx\n", start); + DRM_DEBUG("used : %d\n", used); + DRM_DEBUG("start + used - 4 : %ld\n", start + used - 4); + + if (buf_priv->currently_mapped == I810_BUF_MAPPED) { + if (used & 4) { + *(u32 *)((u32)buf_priv->virtual + used) = 0; + used += 4; + } + + i810_unmap_buffer(buf); + } + BEGIN_LP_RING(4); + OUT_RING( CMD_OP_BATCH_BUFFER ); + OUT_RING( start | BB1_PROTECTED ); + OUT_RING( start + used - 4 ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + + BEGIN_LP_RING(8); + OUT_RING( CMD_STORE_DWORD_IDX ); + OUT_RING( buf_priv->my_use_idx ); + OUT_RING( I810_BUF_FREE ); + OUT_RING( 0 ); + + OUT_RING( CMD_STORE_DWORD_IDX ); + OUT_RING( 16 ); + OUT_RING( last_render ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); +} + +static int i810_dma_mc(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i810_sarea_t *sarea_priv = (drm_i810_sarea_t *) + dev_priv->sarea_priv; + drm_i810_mc_t mc; + + if (copy_from_user(&mc, (drm_i810_mc_t __user *)arg, sizeof(mc))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + if (mc.idx >= dma->buf_count || mc.idx < 0) + return -EINVAL; + + i810_dma_dispatch_mc(dev, dma->buflist[mc.idx], mc.used, + mc.last_render ); + + atomic_add(mc.used, &dev->counts[_DRM_STAT_SECONDARY]); + atomic_inc(&dev->counts[_DRM_STAT_DMA]); + sarea_priv->last_enqueue = dev_priv->counter-1; + sarea_priv->last_dispatch = (int) hw_status[5]; + + return 0; +} + +static int i810_rstatus(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + + return (int)(((u32 *)(dev_priv->hw_status_page))[4]); +} + +static int i810_ov0_info(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + drm_i810_overlay_t data; + + data.offset = dev_priv->overlay_offset; + data.physical = dev_priv->overlay_physical; + if (copy_to_user((drm_i810_overlay_t __user *)arg,&data,sizeof(data))) + return -EFAULT; + return 0; +} + +static int i810_fstatus(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + + LOCK_TEST_WITH_RETURN(dev, filp); + + return I810_READ(0x30008); +} + +static int i810_ov0_flip(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv = (drm_i810_private_t *)dev->dev_private; + + LOCK_TEST_WITH_RETURN(dev, filp); + + //Tell the overlay to update + I810_WRITE(0x30000,dev_priv->overlay_physical | 0x80000000); + + return 0; +} + + +/* Not sure why this isn't set all the time: + */ +static void i810_do_init_pageflip( drm_device_t *dev ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + dev_priv->page_flipping = 1; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; +} + +static int i810_do_cleanup_pageflip( drm_device_t *dev ) +{ + drm_i810_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + if (dev_priv->current_page != 0) + i810_dma_dispatch_flip( dev ); + + dev_priv->page_flipping = 0; + return 0; +} + +static int i810_flip_bufs(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i810_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + + LOCK_TEST_WITH_RETURN(dev, filp); + + if (!dev_priv->page_flipping) + i810_do_init_pageflip( dev ); + + i810_dma_dispatch_flip( dev ); + return 0; +} + +void i810_driver_pretakedown(drm_device_t *dev) +{ + i810_dma_cleanup( dev ); +} + +void i810_driver_prerelease(drm_device_t *dev, DRMFILE filp) +{ + if (dev->dev_private) { + drm_i810_private_t *dev_priv = dev->dev_private; + if (dev_priv->page_flipping) { + i810_do_cleanup_pageflip(dev); + } + } +} + +void i810_driver_release(drm_device_t *dev, struct file *filp) +{ + i810_reclaim_buffers(dev, filp); +} + +int i810_driver_dma_quiescent(drm_device_t *dev) +{ + i810_dma_quiescent( dev ); + return 0; +} + +drm_ioctl_desc_t i810_ioctls[] = { + [DRM_IOCTL_NR(DRM_I810_INIT)] = { i810_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_I810_VERTEX)] = { i810_dma_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_CLEAR)] = { i810_clear_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_FLUSH)] = { i810_flush_ioctl, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_GETAGE)] = { i810_getage, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_GETBUF)] = { i810_getbuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_SWAP)] = { i810_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_COPY)] = { i810_copybuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_DOCOPY)] = { i810_docopy, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_OV0INFO)] = { i810_ov0_info, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_FSTATUS)] = { i810_fstatus, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_OV0FLIP)] = { i810_ov0_flip, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_MC)] = { i810_dma_mc, 1, 1 }, + [DRM_IOCTL_NR(DRM_I810_RSTATUS)] = { i810_rstatus, 1, 0 }, + [DRM_IOCTL_NR(DRM_I810_FLIP)] = { i810_flip_bufs, 1, 0 } +}; + +int i810_max_ioctl = DRM_ARRAY_SIZE(i810_ioctls); diff --git a/drivers/char/drm/i810_drm.h b/drivers/char/drm/i810_drm.h new file mode 100644 index 0000000..73ac405 --- /dev/null +++ b/drivers/char/drm/i810_drm.h @@ -0,0 +1,289 @@ +#ifndef _I810_DRM_H_ +#define _I810_DRM_H_ + +/* WARNING: These defines must be the same as what the Xserver uses. + * if you change them, you must change the defines in the Xserver. + */ + +#ifndef _I810_DEFINES_ +#define _I810_DEFINES_ + +#define I810_DMA_BUF_ORDER 12 +#define I810_DMA_BUF_SZ (1<<I810_DMA_BUF_ORDER) +#define I810_DMA_BUF_NR 256 +#define I810_NR_SAREA_CLIPRECTS 8 + +/* Each region is a minimum of 64k, and there are at most 64 of them. + */ +#define I810_NR_TEX_REGIONS 64 +#define I810_LOG_MIN_TEX_REGION_SIZE 16 +#endif + +#define I810_UPLOAD_TEX0IMAGE 0x1 /* handled clientside */ +#define I810_UPLOAD_TEX1IMAGE 0x2 /* handled clientside */ +#define I810_UPLOAD_CTX 0x4 +#define I810_UPLOAD_BUFFERS 0x8 +#define I810_UPLOAD_TEX0 0x10 +#define I810_UPLOAD_TEX1 0x20 +#define I810_UPLOAD_CLIPRECTS 0x40 + + +/* Indices into buf.Setup where various bits of state are mirrored per + * context and per buffer. These can be fired at the card as a unit, + * or in a piecewise fashion as required. + */ + +/* Destbuffer state + * - backbuffer linear offset and pitch -- invarient in the current dri + * - zbuffer linear offset and pitch -- also invarient + * - drawing origin in back and depth buffers. + * + * Keep the depth/back buffer state here to accommodate private buffers + * in the future. + */ +#define I810_DESTREG_DI0 0 /* CMD_OP_DESTBUFFER_INFO (2 dwords) */ +#define I810_DESTREG_DI1 1 +#define I810_DESTREG_DV0 2 /* GFX_OP_DESTBUFFER_VARS (2 dwords) */ +#define I810_DESTREG_DV1 3 +#define I810_DESTREG_DR0 4 /* GFX_OP_DRAWRECT_INFO (4 dwords) */ +#define I810_DESTREG_DR1 5 +#define I810_DESTREG_DR2 6 +#define I810_DESTREG_DR3 7 +#define I810_DESTREG_DR4 8 +#define I810_DEST_SETUP_SIZE 10 + +/* Context state + */ +#define I810_CTXREG_CF0 0 /* GFX_OP_COLOR_FACTOR */ +#define I810_CTXREG_CF1 1 +#define I810_CTXREG_ST0 2 /* GFX_OP_STIPPLE */ +#define I810_CTXREG_ST1 3 +#define I810_CTXREG_VF 4 /* GFX_OP_VERTEX_FMT */ +#define I810_CTXREG_MT 5 /* GFX_OP_MAP_TEXELS */ +#define I810_CTXREG_MC0 6 /* GFX_OP_MAP_COLOR_STAGES - stage 0 */ +#define I810_CTXREG_MC1 7 /* GFX_OP_MAP_COLOR_STAGES - stage 1 */ +#define I810_CTXREG_MC2 8 /* GFX_OP_MAP_COLOR_STAGES - stage 2 */ +#define I810_CTXREG_MA0 9 /* GFX_OP_MAP_ALPHA_STAGES - stage 0 */ +#define I810_CTXREG_MA1 10 /* GFX_OP_MAP_ALPHA_STAGES - stage 1 */ +#define I810_CTXREG_MA2 11 /* GFX_OP_MAP_ALPHA_STAGES - stage 2 */ +#define I810_CTXREG_SDM 12 /* GFX_OP_SRC_DEST_MONO */ +#define I810_CTXREG_FOG 13 /* GFX_OP_FOG_COLOR */ +#define I810_CTXREG_B1 14 /* GFX_OP_BOOL_1 */ +#define I810_CTXREG_B2 15 /* GFX_OP_BOOL_2 */ +#define I810_CTXREG_LCS 16 /* GFX_OP_LINEWIDTH_CULL_SHADE_MODE */ +#define I810_CTXREG_PV 17 /* GFX_OP_PV_RULE -- Invarient! */ +#define I810_CTXREG_ZA 18 /* GFX_OP_ZBIAS_ALPHAFUNC */ +#define I810_CTXREG_AA 19 /* GFX_OP_ANTIALIAS */ +#define I810_CTX_SETUP_SIZE 20 + +/* Texture state (per tex unit) + */ +#define I810_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (4 dwords) */ +#define I810_TEXREG_MI1 1 +#define I810_TEXREG_MI2 2 +#define I810_TEXREG_MI3 3 +#define I810_TEXREG_MF 4 /* GFX_OP_MAP_FILTER */ +#define I810_TEXREG_MLC 5 /* GFX_OP_MAP_LOD_CTL */ +#define I810_TEXREG_MLL 6 /* GFX_OP_MAP_LOD_LIMITS */ +#define I810_TEXREG_MCS 7 /* GFX_OP_MAP_COORD_SETS ??? */ +#define I810_TEX_SETUP_SIZE 8 + +/* Flags for clear ioctl + */ +#define I810_FRONT 0x1 +#define I810_BACK 0x2 +#define I810_DEPTH 0x4 + +typedef enum _drm_i810_init_func { + I810_INIT_DMA = 0x01, + I810_CLEANUP_DMA = 0x02, + I810_INIT_DMA_1_4 = 0x03 + } drm_i810_init_func_t; + +/* This is the init structure after v1.2 */ +typedef struct _drm_i810_init { + drm_i810_init_func_t func; +#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0) + int ring_map_idx; + int buffer_map_idx; +#else + unsigned int mmio_offset; + unsigned int buffers_offset; +#endif + int sarea_priv_offset; + unsigned int ring_start; + unsigned int ring_end; + unsigned int ring_size; + unsigned int front_offset; + unsigned int back_offset; + unsigned int depth_offset; + unsigned int overlay_offset; + unsigned int overlay_physical; + unsigned int w; + unsigned int h; + unsigned int pitch; + unsigned int pitch_bits; +} drm_i810_init_t; + +/* This is the init structure prior to v1.2 */ +typedef struct _drm_i810_pre12_init { + drm_i810_init_func_t func; + unsigned int mmio_offset; + unsigned int buffers_offset; + int sarea_priv_offset; + unsigned int ring_start; + unsigned int ring_end; + unsigned int ring_size; + unsigned int front_offset; + unsigned int back_offset; + unsigned int depth_offset; + unsigned int w; + unsigned int h; + unsigned int pitch; + unsigned int pitch_bits; +} drm_i810_pre12_init_t; + +/* Warning: If you change the SAREA structure you must change the Xserver + * structure as well */ + +typedef struct _drm_i810_tex_region { + unsigned char next, prev; /* indices to form a circular LRU */ + unsigned char in_use; /* owned by a client, or free? */ + int age; /* tracked by clients to update local LRU's */ +} drm_i810_tex_region_t; + +typedef struct _drm_i810_sarea { + unsigned int ContextState[I810_CTX_SETUP_SIZE]; + unsigned int BufferState[I810_DEST_SETUP_SIZE]; + unsigned int TexState[2][I810_TEX_SETUP_SIZE]; + unsigned int dirty; + + unsigned int nbox; + drm_clip_rect_t boxes[I810_NR_SAREA_CLIPRECTS]; + + /* Maintain an LRU of contiguous regions of texture space. If + * you think you own a region of texture memory, and it has an + * age different to the one you set, then you are mistaken and + * it has been stolen by another client. If global texAge + * hasn't changed, there is no need to walk the list. + * + * These regions can be used as a proxy for the fine-grained + * texture information of other clients - by maintaining them + * in the same lru which is used to age their own textures, + * clients have an approximate lru for the whole of global + * texture space, and can make informed decisions as to which + * areas to kick out. There is no need to choose whether to + * kick out your own texture or someone else's - simply eject + * them all in LRU order. + */ + + drm_i810_tex_region_t texList[I810_NR_TEX_REGIONS+1]; + /* Last elt is sentinal */ + int texAge; /* last time texture was uploaded */ + int last_enqueue; /* last time a buffer was enqueued */ + int last_dispatch; /* age of the most recently dispatched buffer */ + int last_quiescent; /* */ + int ctxOwner; /* last context to upload state */ + + int vertex_prim; + + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; + int pf_current_page; /* which buffer is being displayed? */ +} drm_i810_sarea_t; + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmMga.h) + */ + +/* i810 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_I810_INIT 0x00 +#define DRM_I810_VERTEX 0x01 +#define DRM_I810_CLEAR 0x02 +#define DRM_I810_FLUSH 0x03 +#define DRM_I810_GETAGE 0x04 +#define DRM_I810_GETBUF 0x05 +#define DRM_I810_SWAP 0x06 +#define DRM_I810_COPY 0x07 +#define DRM_I810_DOCOPY 0x08 +#define DRM_I810_OV0INFO 0x09 +#define DRM_I810_FSTATUS 0x0a +#define DRM_I810_OV0FLIP 0x0b +#define DRM_I810_MC 0x0c +#define DRM_I810_RSTATUS 0x0d +#define DRM_I810_FLIP 0x0e + +#define DRM_IOCTL_I810_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I810_INIT, drm_i810_init_t) +#define DRM_IOCTL_I810_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_I810_VERTEX, drm_i810_vertex_t) +#define DRM_IOCTL_I810_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_I810_CLEAR, drm_i810_clear_t) +#define DRM_IOCTL_I810_FLUSH DRM_IO( DRM_COMMAND_BASE + DRM_I810_FLUSH) +#define DRM_IOCTL_I810_GETAGE DRM_IO( DRM_COMMAND_BASE + DRM_I810_GETAGE) +#define DRM_IOCTL_I810_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_I810_GETBUF, drm_i810_dma_t) +#define DRM_IOCTL_I810_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_I810_SWAP) +#define DRM_IOCTL_I810_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_I810_COPY, drm_i810_copy_t) +#define DRM_IOCTL_I810_DOCOPY DRM_IO( DRM_COMMAND_BASE + DRM_I810_DOCOPY) +#define DRM_IOCTL_I810_OV0INFO DRM_IOR( DRM_COMMAND_BASE + DRM_I810_OV0INFO, drm_i810_overlay_t) +#define DRM_IOCTL_I810_FSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FSTATUS) +#define DRM_IOCTL_I810_OV0FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_OV0FLIP) +#define DRM_IOCTL_I810_MC DRM_IOW( DRM_COMMAND_BASE + DRM_I810_MC, drm_i810_mc_t) +#define DRM_IOCTL_I810_RSTATUS DRM_IO ( DRM_COMMAND_BASE + DRM_I810_RSTATUS) +#define DRM_IOCTL_I810_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I810_FLIP) + +typedef struct _drm_i810_clear { + int clear_color; + int clear_depth; + int flags; +} drm_i810_clear_t; + +/* These may be placeholders if we have more cliprects than + * I810_NR_SAREA_CLIPRECTS. In that case, the client sets discard to + * false, indicating that the buffer will be dispatched again with a + * new set of cliprects. + */ +typedef struct _drm_i810_vertex { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + int discard; /* client is finished with the buffer? */ +} drm_i810_vertex_t; + +typedef struct _drm_i810_copy_t { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + void *address; /* Address to copy from */ +} drm_i810_copy_t; + +#define PR_TRIANGLES (0x0<<18) +#define PR_TRISTRIP_0 (0x1<<18) +#define PR_TRISTRIP_1 (0x2<<18) +#define PR_TRIFAN (0x3<<18) +#define PR_POLYGON (0x4<<18) +#define PR_LINES (0x5<<18) +#define PR_LINESTRIP (0x6<<18) +#define PR_RECTS (0x7<<18) +#define PR_MASK (0x7<<18) + + +typedef struct drm_i810_dma { + void *virtual; + int request_idx; + int request_size; + int granted; +} drm_i810_dma_t; + +typedef struct _drm_i810_overlay_t { + unsigned int offset; /* Address of the Overlay Regs */ + unsigned int physical; +} drm_i810_overlay_t; + +typedef struct _drm_i810_mc { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + int num_blocks; /* number of GFXBlocks */ + int *length; /* List of lengths for GFXBlocks (FUTURE)*/ + unsigned int last_render; /* Last Render Request */ +} drm_i810_mc_t; + + +#endif /* _I810_DRM_H_ */ diff --git a/drivers/char/drm/i810_drv.c b/drivers/char/drm/i810_drv.c new file mode 100644 index 0000000..ff51b32 --- /dev/null +++ b/drivers/char/drm/i810_drv.c @@ -0,0 +1,126 @@ +/* i810_drv.c -- I810 driver -*- linux-c -*- + * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/config.h> +#include "drmP.h" +#include "drm.h" +#include "i810_drm.h" +#include "i810_drv.h" + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + /* i810 has 4 more counters */ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + i810_PCI_IDS +}; + +extern drm_ioctl_desc_t i810_ioctls[]; +extern int i810_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE, + .dev_priv_size = sizeof(drm_i810_buf_priv_t), + .pretakedown = i810_driver_pretakedown, + .prerelease = i810_driver_prerelease, + .release = i810_driver_release, + .dma_quiescent = i810_driver_dma_quiescent, + .reclaim_buffers = i810_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = i810_ioctls, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + }, +}; + +static int __init i810_init(void) +{ + driver.num_ioctls = i810_max_ioctl; + return drm_init(&driver); +} + +static void __exit i810_exit(void) +{ + drm_exit(&driver); +} + +module_init(i810_init); +module_exit(i810_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/i810_drv.h b/drivers/char/drm/i810_drv.h new file mode 100644 index 0000000..fa23ca4 --- /dev/null +++ b/drivers/char/drm/i810_drv.h @@ -0,0 +1,236 @@ +/* i810_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*- + * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * + */ + +#ifndef _I810_DRV_H_ +#define _I810_DRV_H_ + +/* General customization: + */ + +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "i810" +#define DRIVER_DESC "Intel i810" +#define DRIVER_DATE "20030605" + +/* Interface history + * + * 1.1 - XFree86 4.1 + * 1.2 - XvMC interfaces + * - XFree86 4.2 + * 1.2.1 - Disable copying code (leave stub ioctls for backwards compatibility) + * - Remove requirement for interrupt (leave stubs again) + * 1.3 - Add page flipping. + * 1.4 - fix DRM interface + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 4 +#define DRIVER_PATCHLEVEL 0 + +typedef struct drm_i810_buf_priv { + u32 *in_use; + int my_use_idx; + int currently_mapped; + void *virtual; + void *kernel_virtual; +} drm_i810_buf_priv_t; + +typedef struct _drm_i810_ring_buffer{ + int tail_mask; + unsigned long Start; + unsigned long End; + unsigned long Size; + u8 *virtual_start; + int head; + int tail; + int space; +} drm_i810_ring_buffer_t; + +typedef struct drm_i810_private { + drm_map_t *sarea_map; + drm_map_t *mmio_map; + + drm_i810_sarea_t *sarea_priv; + drm_i810_ring_buffer_t ring; + + void *hw_status_page; + unsigned long counter; + + dma_addr_t dma_status_page; + + drm_buf_t *mmap_buffer; + + + u32 front_di1, back_di1, zi1; + + int back_offset; + int depth_offset; + int overlay_offset; + int overlay_physical; + int w, h; + int pitch; + int back_pitch; + int depth_pitch; + + int do_boxes; + int dma_used; + + int current_page; + int page_flipping; + + wait_queue_head_t irq_queue; + atomic_t irq_received; + atomic_t irq_emitted; + + int front_offset; +} drm_i810_private_t; + + /* i810_dma.c */ +extern void i810_reclaim_buffers(drm_device_t *dev, struct file *filp); +extern int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma); + +extern int i810_driver_dma_quiescent(drm_device_t *dev); +extern void i810_driver_release(drm_device_t *dev, struct file *filp); +extern void i810_driver_pretakedown(drm_device_t *dev); +extern void i810_driver_prerelease(drm_device_t *dev, DRMFILE filp); + +#define I810_BASE(reg) ((unsigned long) \ + dev_priv->mmio_map->handle) +#define I810_ADDR(reg) (I810_BASE(reg) + reg) +#define I810_DEREF(reg) *(__volatile__ int *)I810_ADDR(reg) +#define I810_READ(reg) I810_DEREF(reg) +#define I810_WRITE(reg,val) do { I810_DEREF(reg) = val; } while (0) +#define I810_DEREF16(reg) *(__volatile__ u16 *)I810_ADDR(reg) +#define I810_READ16(reg) I810_DEREF16(reg) +#define I810_WRITE16(reg,val) do { I810_DEREF16(reg) = val; } while (0) + +#define I810_VERBOSE 0 +#define RING_LOCALS unsigned int outring, ringmask; \ + volatile char *virt; + +#define BEGIN_LP_RING(n) do { \ + if (I810_VERBOSE) \ + DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", n, __FUNCTION__); \ + if (dev_priv->ring.space < n*4) \ + i810_wait_ring(dev, n*4); \ + dev_priv->ring.space -= n*4; \ + outring = dev_priv->ring.tail; \ + ringmask = dev_priv->ring.tail_mask; \ + virt = dev_priv->ring.virtual_start; \ +} while (0) + +#define ADVANCE_LP_RING() do { \ + if (I810_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING\n"); \ + dev_priv->ring.tail = outring; \ + I810_WRITE(LP_RING + RING_TAIL, outring); \ +} while(0) + +#define OUT_RING(n) do { \ + if (I810_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ + *(volatile unsigned int *)(virt + outring) = n; \ + outring += 4; \ + outring &= ringmask; \ +} while (0) + +#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) +#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) +#define CMD_REPORT_HEAD (7<<23) +#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) +#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) + +#define INST_PARSER_CLIENT 0x00000000 +#define INST_OP_FLUSH 0x02000000 +#define INST_FLUSH_MAP_CACHE 0x00000001 + + +#define BB1_START_ADDR_MASK (~0x7) +#define BB1_PROTECTED (1<<0) +#define BB1_UNPROTECTED (0<<0) +#define BB2_END_ADDR_MASK (~0x7) + +#define I810REG_HWSTAM 0x02098 +#define I810REG_INT_IDENTITY_R 0x020a4 +#define I810REG_INT_MASK_R 0x020a8 +#define I810REG_INT_ENABLE_R 0x020a0 + +#define LP_RING 0x2030 +#define HP_RING 0x2040 +#define RING_TAIL 0x00 +#define TAIL_ADDR 0x000FFFF8 +#define RING_HEAD 0x04 +#define HEAD_WRAP_COUNT 0xFFE00000 +#define HEAD_WRAP_ONE 0x00200000 +#define HEAD_ADDR 0x001FFFFC +#define RING_START 0x08 +#define START_ADDR 0x00FFFFF8 +#define RING_LEN 0x0C +#define RING_NR_PAGES 0x000FF000 +#define RING_REPORT_MASK 0x00000006 +#define RING_REPORT_64K 0x00000002 +#define RING_REPORT_128K 0x00000004 +#define RING_NO_REPORT 0x00000000 +#define RING_VALID_MASK 0x00000001 +#define RING_VALID 0x00000001 +#define RING_INVALID 0x00000000 + +#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define SC_UPDATE_SCISSOR (0x1<<1) +#define SC_ENABLE_MASK (0x1<<0) +#define SC_ENABLE (0x1<<0) + +#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) +#define SCI_YMIN_MASK (0xffff<<16) +#define SCI_XMIN_MASK (0xffff<<0) +#define SCI_YMAX_MASK (0xffff<<16) +#define SCI_XMAX_MASK (0xffff<<0) + +#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) +#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) +#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x2) +#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) +#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) +#define GFX_OP_PRIMITIVE ((0x3<<29)|(0x1f<<24)) + +#define CMD_OP_Z_BUFFER_INFO ((0x0<<29)|(0x16<<23)) +#define CMD_OP_DESTBUFFER_INFO ((0x0<<29)|(0x15<<23)) +#define CMD_OP_FRONTBUFFER_INFO ((0x0<<29)|(0x14<<23)) +#define CMD_OP_WAIT_FOR_EVENT ((0x0<<29)|(0x03<<23)) + +#define BR00_BITBLT_CLIENT 0x40000000 +#define BR00_OP_COLOR_BLT 0x10000000 +#define BR00_OP_SRC_COPY_BLT 0x10C00000 +#define BR13_SOLID_PATTERN 0x80000000 + +#define WAIT_FOR_PLANE_A_SCANLINES (1<<1) +#define WAIT_FOR_PLANE_A_FLIP (1<<2) +#define WAIT_FOR_VBLANK (1<<3) + +#endif diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c new file mode 100644 index 0000000..98adccf --- /dev/null +++ b/drivers/char/drm/i830_dma.c @@ -0,0 +1,1588 @@ +/* i830_dma.c -- DMA support for the I830 -*- linux-c -*- + * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + * Abraham vd Merwe <abraham@2d3d.co.za> + * + */ + +#include "drmP.h" +#include "drm.h" +#include "i830_drm.h" +#include "i830_drv.h" +#include <linux/interrupt.h> /* For task queue support */ +#include <linux/pagemap.h> /* For FASTCALL on unlock_page() */ +#include <linux/delay.h> +#include <asm/uaccess.h> + +#define I830_BUF_FREE 2 +#define I830_BUF_CLIENT 1 +#define I830_BUF_HARDWARE 0 + +#define I830_BUF_UNMAPPED 0 +#define I830_BUF_MAPPED 1 + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,2) +#define down_write down +#define up_write up +#endif + +static drm_buf_t *i830_freelist_get(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + int i; + int used; + + /* Linear search might not be the best solution */ + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + /* In use is already a pointer */ + used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, + I830_BUF_CLIENT); + if(used == I830_BUF_FREE) { + return buf; + } + } + return NULL; +} + +/* This should only be called if the buffer is not sent to the hardware + * yet, the hardware updates in use for us once its on the ring buffer. + */ + +static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf) +{ + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + int used; + + /* In use is already a pointer */ + used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE); + if(used != I830_BUF_CLIENT) { + DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx); + return -EINVAL; + } + + return 0; +} + +static struct file_operations i830_buffer_fops = { + .open = drm_open, + .flush = drm_flush, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = i830_mmap_buffers, + .fasync = drm_fasync, +}; + +int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev; + drm_i830_private_t *dev_priv; + drm_buf_t *buf; + drm_i830_buf_priv_t *buf_priv; + + lock_kernel(); + dev = priv->head->dev; + dev_priv = dev->dev_private; + buf = dev_priv->mmap_buffer; + buf_priv = buf->dev_private; + + vma->vm_flags |= (VM_IO | VM_DONTCOPY); + vma->vm_file = filp; + + buf_priv->currently_mapped = I830_BUF_MAPPED; + unlock_kernel(); + + if (io_remap_pfn_range(vma, vma->vm_start, + VM_OFFSET(vma) >> PAGE_SHIFT, + vma->vm_end - vma->vm_start, + vma->vm_page_prot)) return -EAGAIN; + return 0; +} + +static int i830_map_buffer(drm_buf_t *buf, struct file *filp) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + drm_i830_private_t *dev_priv = dev->dev_private; + struct file_operations *old_fops; + unsigned long virtual; + int retcode = 0; + + if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL; + + down_write( ¤t->mm->mmap_sem ); + old_fops = filp->f_op; + filp->f_op = &i830_buffer_fops; + dev_priv->mmap_buffer = buf; + virtual = do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE, + MAP_SHARED, buf->bus_address); + dev_priv->mmap_buffer = NULL; + filp->f_op = old_fops; + if (IS_ERR((void *)virtual)) { /* ugh */ + /* Real error */ + DRM_ERROR("mmap error\n"); + retcode = virtual; + buf_priv->virtual = NULL; + } else { + buf_priv->virtual = (void __user *)virtual; + } + up_write( ¤t->mm->mmap_sem ); + + return retcode; +} + +static int i830_unmap_buffer(drm_buf_t *buf) +{ + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + int retcode = 0; + + if(buf_priv->currently_mapped != I830_BUF_MAPPED) + return -EINVAL; + + down_write(¤t->mm->mmap_sem); + retcode = do_munmap(current->mm, + (unsigned long)buf_priv->virtual, + (size_t) buf->total); + up_write(¤t->mm->mmap_sem); + + buf_priv->currently_mapped = I830_BUF_UNMAPPED; + buf_priv->virtual = NULL; + + return retcode; +} + +static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d, + struct file *filp) +{ + drm_buf_t *buf; + drm_i830_buf_priv_t *buf_priv; + int retcode = 0; + + buf = i830_freelist_get(dev); + if (!buf) { + retcode = -ENOMEM; + DRM_DEBUG("retcode=%d\n", retcode); + return retcode; + } + + retcode = i830_map_buffer(buf, filp); + if(retcode) { + i830_freelist_put(dev, buf); + DRM_ERROR("mapbuf failed, retcode %d\n", retcode); + return retcode; + } + buf->filp = filp; + buf_priv = buf->dev_private; + d->granted = 1; + d->request_idx = buf->idx; + d->request_size = buf->total; + d->virtual = buf_priv->virtual; + + return retcode; +} + +static int i830_dma_cleanup(drm_device_t *dev) +{ + drm_device_dma_t *dma = dev->dma; + + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if ( dev->irq_enabled ) drm_irq_uninstall(dev); + + if (dev->dev_private) { + int i; + drm_i830_private_t *dev_priv = + (drm_i830_private_t *) dev->dev_private; + + if (dev_priv->ring.virtual_start) { + drm_ioremapfree((void *) dev_priv->ring.virtual_start, + dev_priv->ring.Size, dev); + } + if (dev_priv->hw_status_page) { + pci_free_consistent(dev->pdev, PAGE_SIZE, + dev_priv->hw_status_page, + dev_priv->dma_status_page); + /* Need to rewrite hardware status page */ + I830_WRITE(0x02080, 0x1ffff000); + } + + drm_free(dev->dev_private, sizeof(drm_i830_private_t), + DRM_MEM_DRIVER); + dev->dev_private = NULL; + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + if ( buf_priv->kernel_virtual && buf->total ) + drm_ioremapfree(buf_priv->kernel_virtual, buf->total, dev); + } + } + return 0; +} + +int i830_wait_ring(drm_device_t *dev, int n, const char *caller) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_ring_buffer_t *ring = &(dev_priv->ring); + int iters = 0; + unsigned long end; + unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + + end = jiffies + (HZ*3); + while (ring->space < n) { + ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->space = ring->head - (ring->tail+8); + if (ring->space < 0) ring->space += ring->Size; + + if (ring->head != last_head) { + end = jiffies + (HZ*3); + last_head = ring->head; + } + + iters++; + if(time_before(end, jiffies)) { + DRM_ERROR("space: %d wanted %d\n", ring->space, n); + DRM_ERROR("lockup\n"); + goto out_wait_ring; + } + udelay(1); + dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT; + } + +out_wait_ring: + return iters; +} + +static void i830_kernel_lost_context(drm_device_t *dev) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_ring_buffer_t *ring = &(dev_priv->ring); + + ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR; + ring->space = ring->head - (ring->tail+8); + if (ring->space < 0) ring->space += ring->Size; + + if (ring->head == ring->tail) + dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY; +} + +static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv) +{ + drm_device_dma_t *dma = dev->dma; + int my_idx = 36; + u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx); + int i; + + if(dma->buf_count > 1019) { + /* Not enough space in the status page for the freelist */ + return -EINVAL; + } + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + + buf_priv->in_use = hw_status++; + buf_priv->my_use_idx = my_idx; + my_idx += 4; + + *buf_priv->in_use = I830_BUF_FREE; + + buf_priv->kernel_virtual = drm_ioremap(buf->bus_address, + buf->total, dev); + } + return 0; +} + +static int i830_dma_initialize(drm_device_t *dev, + drm_i830_private_t *dev_priv, + drm_i830_init_t *init) +{ + struct list_head *list; + + memset(dev_priv, 0, sizeof(drm_i830_private_t)); + + list_for_each(list, &dev->maplist->head) { + drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head); + if( r_list->map && + r_list->map->type == _DRM_SHM && + r_list->map->flags & _DRM_CONTAINS_LOCK ) { + dev_priv->sarea_map = r_list->map; + break; + } + } + + if(!dev_priv->sarea_map) { + dev->dev_private = (void *)dev_priv; + i830_dma_cleanup(dev); + DRM_ERROR("can not find sarea!\n"); + return -EINVAL; + } + dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); + if(!dev_priv->mmio_map) { + dev->dev_private = (void *)dev_priv; + i830_dma_cleanup(dev); + DRM_ERROR("can not find mmio map!\n"); + return -EINVAL; + } + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + if(!dev->agp_buffer_map) { + dev->dev_private = (void *)dev_priv; + i830_dma_cleanup(dev); + DRM_ERROR("can not find dma buffer map!\n"); + return -EINVAL; + } + + dev_priv->sarea_priv = (drm_i830_sarea_t *) + ((u8 *)dev_priv->sarea_map->handle + + init->sarea_priv_offset); + + dev_priv->ring.Start = init->ring_start; + dev_priv->ring.End = init->ring_end; + dev_priv->ring.Size = init->ring_size; + + dev_priv->ring.virtual_start = drm_ioremap(dev->agp->base + + init->ring_start, + init->ring_size, dev); + + if (dev_priv->ring.virtual_start == NULL) { + dev->dev_private = (void *) dev_priv; + i830_dma_cleanup(dev); + DRM_ERROR("can not ioremap virtual address for" + " ring buffer\n"); + return -ENOMEM; + } + + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + + dev_priv->w = init->w; + dev_priv->h = init->h; + dev_priv->pitch = init->pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->depth_offset = init->depth_offset; + dev_priv->front_offset = init->front_offset; + + dev_priv->front_di1 = init->front_offset | init->pitch_bits; + dev_priv->back_di1 = init->back_offset | init->pitch_bits; + dev_priv->zi1 = init->depth_offset | init->pitch_bits; + + DRM_DEBUG("front_di1 %x\n", dev_priv->front_di1); + DRM_DEBUG("back_offset %x\n", dev_priv->back_offset); + DRM_DEBUG("back_di1 %x\n", dev_priv->back_di1); + DRM_DEBUG("pitch_bits %x\n", init->pitch_bits); + + dev_priv->cpp = init->cpp; + /* We are using separate values as placeholders for mechanisms for + * private backbuffer/depthbuffer usage. + */ + + dev_priv->back_pitch = init->back_pitch; + dev_priv->depth_pitch = init->depth_pitch; + dev_priv->do_boxes = 0; + dev_priv->use_mi_batchbuffer_start = 0; + + /* Program Hardware Status Page */ + dev_priv->hw_status_page = + pci_alloc_consistent(dev->pdev, PAGE_SIZE, + &dev_priv->dma_status_page); + if (!dev_priv->hw_status_page) { + dev->dev_private = (void *)dev_priv; + i830_dma_cleanup(dev); + DRM_ERROR("Can not allocate hardware status page\n"); + return -ENOMEM; + } + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + + I830_WRITE(0x02080, dev_priv->dma_status_page); + DRM_DEBUG("Enabled hardware status page\n"); + + /* Now we need to init our freelist */ + if(i830_freelist_init(dev, dev_priv) != 0) { + dev->dev_private = (void *)dev_priv; + i830_dma_cleanup(dev); + DRM_ERROR("Not enough space in the status page for" + " the freelist\n"); + return -ENOMEM; + } + dev->dev_private = (void *)dev_priv; + + return 0; +} + +static int i830_dma_init(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv; + drm_i830_init_t init; + int retcode = 0; + + if (copy_from_user(&init, (void * __user) arg, sizeof(init))) + return -EFAULT; + + switch(init.func) { + case I830_INIT_DMA: + dev_priv = drm_alloc(sizeof(drm_i830_private_t), + DRM_MEM_DRIVER); + if(dev_priv == NULL) return -ENOMEM; + retcode = i830_dma_initialize(dev, dev_priv, &init); + break; + case I830_CLEANUP_DMA: + retcode = i830_dma_cleanup(dev); + break; + default: + retcode = -EINVAL; + break; + } + + return retcode; +} + +#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) +#define ST1_ENABLE (1<<16) +#define ST1_MASK (0xffff) + +/* Most efficient way to verify state for the i830 is as it is + * emitted. Non-conformant state is silently dropped. + */ +static void i830EmitContextVerified( drm_device_t *dev, + unsigned int *code ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + int i, j = 0; + unsigned int tmp; + RING_LOCALS; + + BEGIN_LP_RING( I830_CTX_SETUP_SIZE + 4 ); + + for ( i = 0 ; i < I830_CTXREG_BLENDCOLR0 ; i++ ) { + tmp = code[i]; + if ((tmp & (7<<29)) == CMD_3D && + (tmp & (0x1f<<24)) < (0x1d<<24)) { + OUT_RING( tmp ); + j++; + } else { + DRM_ERROR("Skipping %d\n", i); + } + } + + OUT_RING( STATE3D_CONST_BLEND_COLOR_CMD ); + OUT_RING( code[I830_CTXREG_BLENDCOLR] ); + j += 2; + + for ( i = I830_CTXREG_VF ; i < I830_CTXREG_MCSB0 ; i++ ) { + tmp = code[i]; + if ((tmp & (7<<29)) == CMD_3D && + (tmp & (0x1f<<24)) < (0x1d<<24)) { + OUT_RING( tmp ); + j++; + } else { + DRM_ERROR("Skipping %d\n", i); + } + } + + OUT_RING( STATE3D_MAP_COORD_SETBIND_CMD ); + OUT_RING( code[I830_CTXREG_MCSB1] ); + j += 2; + + if (j & 1) + OUT_RING( 0 ); + + ADVANCE_LP_RING(); +} + +static void i830EmitTexVerified( drm_device_t *dev, unsigned int *code ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + int i, j = 0; + unsigned int tmp; + RING_LOCALS; + + if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO || + (code[I830_TEXREG_MI0] & ~(0xf*LOAD_TEXTURE_MAP0)) == + (STATE3D_LOAD_STATE_IMMEDIATE_2|4)) { + + BEGIN_LP_RING( I830_TEX_SETUP_SIZE ); + + OUT_RING( code[I830_TEXREG_MI0] ); /* TM0LI */ + OUT_RING( code[I830_TEXREG_MI1] ); /* TM0S0 */ + OUT_RING( code[I830_TEXREG_MI2] ); /* TM0S1 */ + OUT_RING( code[I830_TEXREG_MI3] ); /* TM0S2 */ + OUT_RING( code[I830_TEXREG_MI4] ); /* TM0S3 */ + OUT_RING( code[I830_TEXREG_MI5] ); /* TM0S4 */ + + for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) { + tmp = code[i]; + OUT_RING( tmp ); + j++; + } + + if (j & 1) + OUT_RING( 0 ); + + ADVANCE_LP_RING(); + } + else + printk("rejected packet %x\n", code[0]); +} + +static void i830EmitTexBlendVerified( drm_device_t *dev, + unsigned int *code, + unsigned int num) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + int i, j = 0; + unsigned int tmp; + RING_LOCALS; + + if (!num) + return; + + BEGIN_LP_RING( num + 1 ); + + for ( i = 0 ; i < num ; i++ ) { + tmp = code[i]; + OUT_RING( tmp ); + j++; + } + + if (j & 1) + OUT_RING( 0 ); + + ADVANCE_LP_RING(); +} + +static void i830EmitTexPalette( drm_device_t *dev, + unsigned int *palette, + int number, + int is_shared ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + int i; + RING_LOCALS; + + return; + + BEGIN_LP_RING( 258 ); + + if(is_shared == 1) { + OUT_RING(CMD_OP_MAP_PALETTE_LOAD | + MAP_PALETTE_NUM(0) | + MAP_PALETTE_BOTH); + } else { + OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number)); + } + for(i = 0; i < 256; i++) { + OUT_RING(palette[i]); + } + OUT_RING(0); + /* KW: WHERE IS THE ADVANCE_LP_RING? This is effectively a noop! + */ +} + +/* Need to do some additional checking when setting the dest buffer. + */ +static void i830EmitDestVerified( drm_device_t *dev, + unsigned int *code ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + unsigned int tmp; + RING_LOCALS; + + BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 10 ); + + + tmp = code[I830_DESTREG_CBUFADDR]; + if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) { + if (((int)outring) & 8) { + OUT_RING(0); + OUT_RING(0); + } + + OUT_RING( CMD_OP_DESTBUFFER_INFO ); + OUT_RING( BUF_3D_ID_COLOR_BACK | + BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) | + BUF_3D_USE_FENCE); + OUT_RING( tmp ); + OUT_RING( 0 ); + + OUT_RING( CMD_OP_DESTBUFFER_INFO ); + OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | + BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp)); + OUT_RING( dev_priv->zi1 ); + OUT_RING( 0 ); + } else { + DRM_ERROR("bad di1 %x (allow %x or %x)\n", + tmp, dev_priv->front_di1, dev_priv->back_di1); + } + + /* invarient: + */ + + + OUT_RING( GFX_OP_DESTBUFFER_VARS ); + OUT_RING( code[I830_DESTREG_DV1] ); + + OUT_RING( GFX_OP_DRAWRECT_INFO ); + OUT_RING( code[I830_DESTREG_DR1] ); + OUT_RING( code[I830_DESTREG_DR2] ); + OUT_RING( code[I830_DESTREG_DR3] ); + OUT_RING( code[I830_DESTREG_DR4] ); + + /* Need to verify this */ + tmp = code[I830_DESTREG_SENABLE]; + if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) { + OUT_RING( tmp ); + } else { + DRM_ERROR("bad scissor enable\n"); + OUT_RING( 0 ); + } + + OUT_RING( GFX_OP_SCISSOR_RECT ); + OUT_RING( code[I830_DESTREG_SR1] ); + OUT_RING( code[I830_DESTREG_SR2] ); + OUT_RING( 0 ); + + ADVANCE_LP_RING(); +} + +static void i830EmitStippleVerified( drm_device_t *dev, + unsigned int *code ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + BEGIN_LP_RING( 2 ); + OUT_RING( GFX_OP_STIPPLE ); + OUT_RING( code[1] ); + ADVANCE_LP_RING(); +} + + +static void i830EmitState( drm_device_t *dev ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + + DRM_DEBUG("%s %x\n", __FUNCTION__, dirty); + + if (dirty & I830_UPLOAD_BUFFERS) { + i830EmitDestVerified( dev, sarea_priv->BufferState ); + sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS; + } + + if (dirty & I830_UPLOAD_CTX) { + i830EmitContextVerified( dev, sarea_priv->ContextState ); + sarea_priv->dirty &= ~I830_UPLOAD_CTX; + } + + if (dirty & I830_UPLOAD_TEX0) { + i830EmitTexVerified( dev, sarea_priv->TexState[0] ); + sarea_priv->dirty &= ~I830_UPLOAD_TEX0; + } + + if (dirty & I830_UPLOAD_TEX1) { + i830EmitTexVerified( dev, sarea_priv->TexState[1] ); + sarea_priv->dirty &= ~I830_UPLOAD_TEX1; + } + + if (dirty & I830_UPLOAD_TEXBLEND0) { + i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0], + sarea_priv->TexBlendStateWordsUsed[0]); + sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0; + } + + if (dirty & I830_UPLOAD_TEXBLEND1) { + i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1], + sarea_priv->TexBlendStateWordsUsed[1]); + sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1; + } + + if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) { + i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1); + } else { + if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) { + i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0); + sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0); + } + if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) { + i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0); + sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1); + } + + /* 1.3: + */ +#if 0 + if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) { + i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0); + sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2); + } + if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) { + i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0); + sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2); + } +#endif + } + + /* 1.3: + */ + if (dirty & I830_UPLOAD_STIPPLE) { + i830EmitStippleVerified( dev, + sarea_priv->StippleState); + sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE; + } + + if (dirty & I830_UPLOAD_TEX2) { + i830EmitTexVerified( dev, sarea_priv->TexState2 ); + sarea_priv->dirty &= ~I830_UPLOAD_TEX2; + } + + if (dirty & I830_UPLOAD_TEX3) { + i830EmitTexVerified( dev, sarea_priv->TexState3 ); + sarea_priv->dirty &= ~I830_UPLOAD_TEX3; + } + + + if (dirty & I830_UPLOAD_TEXBLEND2) { + i830EmitTexBlendVerified( + dev, + sarea_priv->TexBlendState2, + sarea_priv->TexBlendStateWordsUsed2); + + sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2; + } + + if (dirty & I830_UPLOAD_TEXBLEND3) { + i830EmitTexBlendVerified( + dev, + sarea_priv->TexBlendState3, + sarea_priv->TexBlendStateWordsUsed3); + sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3; + } +} + +/* ================================================================ + * Performance monitoring functions + */ + +static void i830_fill_box( drm_device_t *dev, + int x, int y, int w, int h, + int r, int g, int b ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + u32 color; + unsigned int BR13, CMD; + RING_LOCALS; + + BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1<<24); + CMD = XY_COLOR_BLT_CMD; + x += dev_priv->sarea_priv->boxes[0].x1; + y += dev_priv->sarea_priv->boxes[0].y1; + + if (dev_priv->cpp == 4) { + BR13 |= (1<<25); + CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB); + color = (((0xff) << 24) | (r << 16) | (g << 8) | b); + } else { + color = (((r & 0xf8) << 8) | + ((g & 0xfc) << 3) | + ((b & 0xf8) >> 3)); + } + + BEGIN_LP_RING( 6 ); + OUT_RING( CMD ); + OUT_RING( BR13 ); + OUT_RING( (y << 16) | x ); + OUT_RING( ((y+h) << 16) | (x+w) ); + + if ( dev_priv->current_page == 1 ) { + OUT_RING( dev_priv->front_offset ); + } else { + OUT_RING( dev_priv->back_offset ); + } + + OUT_RING( color ); + ADVANCE_LP_RING(); +} + +static void i830_cp_performance_boxes( drm_device_t *dev ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + + /* Purple box for page flipping + */ + if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP ) + i830_fill_box( dev, 4, 4, 8, 8, 255, 0, 255 ); + + /* Red box if we have to wait for idle at any point + */ + if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT ) + i830_fill_box( dev, 16, 4, 8, 8, 255, 0, 0 ); + + /* Blue box: lost context? + */ + if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT ) + i830_fill_box( dev, 28, 4, 8, 8, 0, 0, 255 ); + + /* Yellow box for texture swaps + */ + if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD ) + i830_fill_box( dev, 40, 4, 8, 8, 255, 255, 0 ); + + /* Green box if hardware never idles (as far as we can tell) + */ + if ( !(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY) ) + i830_fill_box( dev, 64, 4, 8, 8, 0, 255, 0 ); + + + /* Draw bars indicating number of buffers allocated + * (not a great measure, easily confused) + */ + if (dev_priv->dma_used) { + int bar = dev_priv->dma_used / 10240; + if (bar > 100) bar = 100; + if (bar < 1) bar = 1; + i830_fill_box( dev, 4, 16, bar, 4, 196, 128, 128 ); + dev_priv->dma_used = 0; + } + + dev_priv->sarea_priv->perf_boxes = 0; +} + +static void i830_dma_dispatch_clear( drm_device_t *dev, int flags, + unsigned int clear_color, + unsigned int clear_zval, + unsigned int clear_depthmask) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int pitch = dev_priv->pitch; + int cpp = dev_priv->cpp; + int i; + unsigned int BR13, CMD, D_CMD; + RING_LOCALS; + + + if ( dev_priv->current_page == 1 ) { + unsigned int tmp = flags; + + flags &= ~(I830_FRONT | I830_BACK); + if ( tmp & I830_FRONT ) flags |= I830_BACK; + if ( tmp & I830_BACK ) flags |= I830_FRONT; + } + + i830_kernel_lost_context(dev); + + switch(cpp) { + case 2: + BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24); + D_CMD = CMD = XY_COLOR_BLT_CMD; + break; + case 4: + BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25); + CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | + XY_COLOR_BLT_WRITE_RGB); + D_CMD = XY_COLOR_BLT_CMD; + if(clear_depthmask & 0x00ffffff) + D_CMD |= XY_COLOR_BLT_WRITE_RGB; + if(clear_depthmask & 0xff000000) + D_CMD |= XY_COLOR_BLT_WRITE_ALPHA; + break; + default: + BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24); + D_CMD = CMD = XY_COLOR_BLT_CMD; + break; + } + + if (nbox > I830_NR_SAREA_CLIPRECTS) + nbox = I830_NR_SAREA_CLIPRECTS; + + for (i = 0 ; i < nbox ; i++, pbox++) { + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > dev_priv->w || + pbox->y2 > dev_priv->h) + continue; + + if ( flags & I830_FRONT ) { + DRM_DEBUG("clear front\n"); + BEGIN_LP_RING( 6 ); + OUT_RING( CMD ); + OUT_RING( BR13 ); + OUT_RING( (pbox->y1 << 16) | pbox->x1 ); + OUT_RING( (pbox->y2 << 16) | pbox->x2 ); + OUT_RING( dev_priv->front_offset ); + OUT_RING( clear_color ); + ADVANCE_LP_RING(); + } + + if ( flags & I830_BACK ) { + DRM_DEBUG("clear back\n"); + BEGIN_LP_RING( 6 ); + OUT_RING( CMD ); + OUT_RING( BR13 ); + OUT_RING( (pbox->y1 << 16) | pbox->x1 ); + OUT_RING( (pbox->y2 << 16) | pbox->x2 ); + OUT_RING( dev_priv->back_offset ); + OUT_RING( clear_color ); + ADVANCE_LP_RING(); + } + + if ( flags & I830_DEPTH ) { + DRM_DEBUG("clear depth\n"); + BEGIN_LP_RING( 6 ); + OUT_RING( D_CMD ); + OUT_RING( BR13 ); + OUT_RING( (pbox->y1 << 16) | pbox->x1 ); + OUT_RING( (pbox->y2 << 16) | pbox->x2 ); + OUT_RING( dev_priv->depth_offset ); + OUT_RING( clear_zval ); + ADVANCE_LP_RING(); + } + } +} + +static void i830_dma_dispatch_swap( drm_device_t *dev ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int pitch = dev_priv->pitch; + int cpp = dev_priv->cpp; + int i; + unsigned int CMD, BR13; + RING_LOCALS; + + DRM_DEBUG("swapbuffers\n"); + + i830_kernel_lost_context(dev); + + if (dev_priv->do_boxes) + i830_cp_performance_boxes( dev ); + + switch(cpp) { + case 2: + BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24); + CMD = XY_SRC_COPY_BLT_CMD; + break; + case 4: + BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25); + CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | + XY_SRC_COPY_BLT_WRITE_RGB); + break; + default: + BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24); + CMD = XY_SRC_COPY_BLT_CMD; + break; + } + + + if (nbox > I830_NR_SAREA_CLIPRECTS) + nbox = I830_NR_SAREA_CLIPRECTS; + + for (i = 0 ; i < nbox; i++, pbox++) + { + if (pbox->x1 > pbox->x2 || + pbox->y1 > pbox->y2 || + pbox->x2 > dev_priv->w || + pbox->y2 > dev_priv->h) + continue; + + DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n", + pbox->x1, pbox->y1, + pbox->x2, pbox->y2); + + BEGIN_LP_RING( 8 ); + OUT_RING( CMD ); + OUT_RING( BR13 ); + OUT_RING( (pbox->y1 << 16) | pbox->x1 ); + OUT_RING( (pbox->y2 << 16) | pbox->x2 ); + + if (dev_priv->current_page == 0) + OUT_RING( dev_priv->front_offset ); + else + OUT_RING( dev_priv->back_offset ); + + OUT_RING( (pbox->y1 << 16) | pbox->x1 ); + OUT_RING( BR13 & 0xffff ); + + if (dev_priv->current_page == 0) + OUT_RING( dev_priv->back_offset ); + else + OUT_RING( dev_priv->front_offset ); + + ADVANCE_LP_RING(); + } +} + +static void i830_dma_dispatch_flip( drm_device_t *dev ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pf_current_page); + + i830_kernel_lost_context(dev); + + if (dev_priv->do_boxes) { + dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP; + i830_cp_performance_boxes( dev ); + } + + + BEGIN_LP_RING( 2 ); + OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + BEGIN_LP_RING( 6 ); + OUT_RING( CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP ); + OUT_RING( 0 ); + if ( dev_priv->current_page == 0 ) { + OUT_RING( dev_priv->back_offset ); + dev_priv->current_page = 1; + } else { + OUT_RING( dev_priv->front_offset ); + dev_priv->current_page = 0; + } + OUT_RING(0); + ADVANCE_LP_RING(); + + + BEGIN_LP_RING( 2 ); + OUT_RING( MI_WAIT_FOR_EVENT | + MI_WAIT_FOR_PLANE_A_FLIP ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + + dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; +} + +static void i830_dma_dispatch_vertex(drm_device_t *dev, + drm_buf_t *buf, + int discard, + int used) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_clip_rect_t *box = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + unsigned long address = (unsigned long)buf->bus_address; + unsigned long start = address - dev->agp->base; + int i = 0, u; + RING_LOCALS; + + i830_kernel_lost_context(dev); + + if (nbox > I830_NR_SAREA_CLIPRECTS) + nbox = I830_NR_SAREA_CLIPRECTS; + + if (discard) { + u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, + I830_BUF_HARDWARE); + if(u != I830_BUF_CLIENT) { + DRM_DEBUG("xxxx 2\n"); + } + } + + if (used > 4*1023) + used = 0; + + if (sarea_priv->dirty) + i830EmitState( dev ); + + DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", + address, used, nbox); + + dev_priv->counter++; + DRM_DEBUG( "dispatch counter : %ld\n", dev_priv->counter); + DRM_DEBUG( "i830_dma_dispatch\n"); + DRM_DEBUG( "start : %lx\n", start); + DRM_DEBUG( "used : %d\n", used); + DRM_DEBUG( "start + used - 4 : %ld\n", start + used - 4); + + if (buf_priv->currently_mapped == I830_BUF_MAPPED) { + u32 *vp = buf_priv->kernel_virtual; + + vp[0] = (GFX_OP_PRIMITIVE | + sarea_priv->vertex_prim | + ((used/4)-2)); + + if (dev_priv->use_mi_batchbuffer_start) { + vp[used/4] = MI_BATCH_BUFFER_END; + used += 4; + } + + if (used & 4) { + vp[used/4] = 0; + used += 4; + } + + i830_unmap_buffer(buf); + } + + if (used) { + do { + if (i < nbox) { + BEGIN_LP_RING(6); + OUT_RING( GFX_OP_DRAWRECT_INFO ); + OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] ); + OUT_RING( box[i].x1 | (box[i].y1<<16) ); + OUT_RING( box[i].x2 | (box[i].y2<<16) ); + OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } + + if (dev_priv->use_mi_batchbuffer_start) { + BEGIN_LP_RING(2); + OUT_RING( MI_BATCH_BUFFER_START | (2<<6) ); + OUT_RING( start | MI_BATCH_NON_SECURE ); + ADVANCE_LP_RING(); + } + else { + BEGIN_LP_RING(4); + OUT_RING( MI_BATCH_BUFFER ); + OUT_RING( start | MI_BATCH_NON_SECURE ); + OUT_RING( start + used - 4 ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } + + } while (++i < nbox); + } + + if (discard) { + dev_priv->counter++; + + (void) cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, + I830_BUF_HARDWARE); + + BEGIN_LP_RING(8); + OUT_RING( CMD_STORE_DWORD_IDX ); + OUT_RING( 20 ); + OUT_RING( dev_priv->counter ); + OUT_RING( CMD_STORE_DWORD_IDX ); + OUT_RING( buf_priv->my_use_idx ); + OUT_RING( I830_BUF_FREE ); + OUT_RING( CMD_REPORT_HEAD ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + } +} + + +static void i830_dma_quiescent(drm_device_t *dev) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + i830_kernel_lost_context(dev); + + BEGIN_LP_RING(4); + OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); + OUT_RING( CMD_REPORT_HEAD ); + OUT_RING( 0 ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ ); +} + +static int i830_flush_queue(drm_device_t *dev) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + int i, ret = 0; + RING_LOCALS; + + i830_kernel_lost_context(dev); + + BEGIN_LP_RING(2); + OUT_RING( CMD_REPORT_HEAD ); + OUT_RING( 0 ); + ADVANCE_LP_RING(); + + i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ ); + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + + int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, + I830_BUF_FREE); + + if (used == I830_BUF_HARDWARE) + DRM_DEBUG("reclaimed from HARDWARE\n"); + if (used == I830_BUF_CLIENT) + DRM_DEBUG("still on client\n"); + } + + return ret; +} + +/* Must be called with the lock held */ +void i830_reclaim_buffers(drm_device_t *dev, struct file *filp) +{ + drm_device_dma_t *dma = dev->dma; + int i; + + if (!dma) return; + if (!dev->dev_private) return; + if (!dma->buflist) return; + + i830_flush_queue(dev); + + for (i = 0; i < dma->buf_count; i++) { + drm_buf_t *buf = dma->buflist[ i ]; + drm_i830_buf_priv_t *buf_priv = buf->dev_private; + + if (buf->filp == filp && buf_priv) { + int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, + I830_BUF_FREE); + + if (used == I830_BUF_CLIENT) + DRM_DEBUG("reclaimed from client\n"); + if(buf_priv->currently_mapped == I830_BUF_MAPPED) + buf_priv->currently_mapped = I830_BUF_UNMAPPED; + } + } +} + +static int i830_flush_ioctl(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + LOCK_TEST_WITH_RETURN(dev, filp); + + i830_flush_queue(dev); + return 0; +} + +static int i830_dma_vertex(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_device_dma_t *dma = dev->dma; + drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) + dev_priv->sarea_priv; + drm_i830_vertex_t vertex; + + if (copy_from_user(&vertex, (drm_i830_vertex_t __user *)arg, sizeof(vertex))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n", + vertex.idx, vertex.used, vertex.discard); + + if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL; + + i830_dma_dispatch_vertex( dev, + dma->buflist[ vertex.idx ], + vertex.discard, vertex.used ); + + sarea_priv->last_enqueue = dev_priv->counter-1; + sarea_priv->last_dispatch = (int) hw_status[5]; + + return 0; +} + +static int i830_clear_bufs(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_clear_t clear; + + if (copy_from_user(&clear, (drm_i830_clear_t __user *)arg, sizeof(clear))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + /* GH: Someone's doing nasty things... */ + if (!dev->dev_private) { + return -EINVAL; + } + + i830_dma_dispatch_clear( dev, clear.flags, + clear.clear_color, + clear.clear_depth, + clear.clear_depthmask); + return 0; +} + +static int i830_swap_bufs(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + + DRM_DEBUG("i830_swap_bufs\n"); + + LOCK_TEST_WITH_RETURN(dev, filp); + + i830_dma_dispatch_swap( dev ); + return 0; +} + + + +/* Not sure why this isn't set all the time: + */ +static void i830_do_init_pageflip( drm_device_t *dev ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + dev_priv->page_flipping = 1; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; +} + +static int i830_do_cleanup_pageflip( drm_device_t *dev ) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + if (dev_priv->current_page != 0) + i830_dma_dispatch_flip( dev ); + + dev_priv->page_flipping = 0; + return 0; +} + +static int i830_flip_bufs(struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + + LOCK_TEST_WITH_RETURN(dev, filp); + + if (!dev_priv->page_flipping) + i830_do_init_pageflip( dev ); + + i830_dma_dispatch_flip( dev ); + return 0; +} + +static int i830_getage(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) + dev_priv->sarea_priv; + + sarea_priv->last_dispatch = (int) hw_status[5]; + return 0; +} + +static int i830_getbuf(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + int retcode = 0; + drm_i830_dma_t d; + drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) + dev_priv->sarea_priv; + + DRM_DEBUG("getbuf\n"); + if (copy_from_user(&d, (drm_i830_dma_t __user *)arg, sizeof(d))) + return -EFAULT; + + LOCK_TEST_WITH_RETURN(dev, filp); + + d.granted = 0; + + retcode = i830_dma_get_buffer(dev, &d, filp); + + DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n", + current->pid, retcode, d.granted); + + if (copy_to_user((drm_dma_t __user *)arg, &d, sizeof(d))) + return -EFAULT; + sarea_priv->last_dispatch = (int) hw_status[5]; + + return retcode; +} + +static int i830_copybuf(struct inode *inode, + struct file *filp, unsigned int cmd, unsigned long arg) +{ + /* Never copy - 2.4.x doesn't need it */ + return 0; +} + +static int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + return 0; +} + + + +static int i830_getparam( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_getparam_t param; + int value; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return -EINVAL; + } + + if (copy_from_user(¶m, (drm_i830_getparam_t __user *)arg, sizeof(param) )) + return -EFAULT; + + switch( param.param ) { + case I830_PARAM_IRQ_ACTIVE: + value = dev->irq_enabled; + break; + default: + return -EINVAL; + } + + if ( copy_to_user( param.value, &value, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return -EFAULT; + } + + return 0; +} + + +static int i830_setparam( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_setparam_t param; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return -EINVAL; + } + + if (copy_from_user(¶m, (drm_i830_setparam_t __user *)arg, sizeof(param) )) + return -EFAULT; + + switch( param.param ) { + case I830_SETPARAM_USE_MI_BATCHBUFFER_START: + dev_priv->use_mi_batchbuffer_start = param.value; + break; + default: + return -EINVAL; + } + + return 0; +} + + +void i830_driver_pretakedown(drm_device_t *dev) +{ + i830_dma_cleanup( dev ); +} + +void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp) +{ + if (dev->dev_private) { + drm_i830_private_t *dev_priv = dev->dev_private; + if (dev_priv->page_flipping) { + i830_do_cleanup_pageflip(dev); + } + } +} + +void i830_driver_release(drm_device_t *dev, struct file *filp) +{ + i830_reclaim_buffers(dev, filp); +} + +int i830_driver_dma_quiescent(drm_device_t *dev) +{ + i830_dma_quiescent( dev ); + return 0; +} + +drm_ioctl_desc_t i830_ioctls[] = { + [DRM_IOCTL_NR(DRM_I830_INIT)] = { i830_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_I830_VERTEX)] = { i830_dma_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_CLEAR)] = { i830_clear_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_FLUSH)] = { i830_flush_ioctl, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_GETAGE)] = { i830_getage, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_GETBUF)] = { i830_getbuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_SWAP)] = { i830_swap_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_COPY)] = { i830_copybuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_DOCOPY)] = { i830_docopy, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_FLIP)] = { i830_flip_bufs, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_IRQ_EMIT)] = { i830_irq_emit, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_IRQ_WAIT)] = { i830_irq_wait, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_GETPARAM)] = { i830_getparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_I830_SETPARAM)] = { i830_setparam, 1, 0 } +}; + +int i830_max_ioctl = DRM_ARRAY_SIZE(i830_ioctls); diff --git a/drivers/char/drm/i830_drm.h b/drivers/char/drm/i830_drm.h new file mode 100644 index 0000000..03382c0 --- /dev/null +++ b/drivers/char/drm/i830_drm.h @@ -0,0 +1,350 @@ +#ifndef _I830_DRM_H_ +#define _I830_DRM_H_ + +/* WARNING: These defines must be the same as what the Xserver uses. + * if you change them, you must change the defines in the Xserver. + * + * KW: Actually, you can't ever change them because doing so would + * break backwards compatibility. + */ + +#ifndef _I830_DEFINES_ +#define _I830_DEFINES_ + +#define I830_DMA_BUF_ORDER 12 +#define I830_DMA_BUF_SZ (1<<I830_DMA_BUF_ORDER) +#define I830_DMA_BUF_NR 256 +#define I830_NR_SAREA_CLIPRECTS 8 + +/* Each region is a minimum of 64k, and there are at most 64 of them. + */ +#define I830_NR_TEX_REGIONS 64 +#define I830_LOG_MIN_TEX_REGION_SIZE 16 + +/* KW: These aren't correct but someone set them to two and then + * released the module. Now we can't change them as doing so would + * break backwards compatibility. + */ +#define I830_TEXTURE_COUNT 2 +#define I830_TEXBLEND_COUNT I830_TEXTURE_COUNT + +#define I830_TEXBLEND_SIZE 12 /* (4 args + op) * 2 + COLOR_FACTOR */ + +#define I830_UPLOAD_CTX 0x1 +#define I830_UPLOAD_BUFFERS 0x2 +#define I830_UPLOAD_CLIPRECTS 0x4 +#define I830_UPLOAD_TEX0_IMAGE 0x100 /* handled clientside */ +#define I830_UPLOAD_TEX0_CUBE 0x200 /* handled clientside */ +#define I830_UPLOAD_TEX1_IMAGE 0x400 /* handled clientside */ +#define I830_UPLOAD_TEX1_CUBE 0x800 /* handled clientside */ +#define I830_UPLOAD_TEX2_IMAGE 0x1000 /* handled clientside */ +#define I830_UPLOAD_TEX2_CUBE 0x2000 /* handled clientside */ +#define I830_UPLOAD_TEX3_IMAGE 0x4000 /* handled clientside */ +#define I830_UPLOAD_TEX3_CUBE 0x8000 /* handled clientside */ +#define I830_UPLOAD_TEX_N_IMAGE(n) (0x100 << (n * 2)) +#define I830_UPLOAD_TEX_N_CUBE(n) (0x200 << (n * 2)) +#define I830_UPLOAD_TEXIMAGE_MASK 0xff00 +#define I830_UPLOAD_TEX0 0x10000 +#define I830_UPLOAD_TEX1 0x20000 +#define I830_UPLOAD_TEX2 0x40000 +#define I830_UPLOAD_TEX3 0x80000 +#define I830_UPLOAD_TEX_N(n) (0x10000 << (n)) +#define I830_UPLOAD_TEX_MASK 0xf0000 +#define I830_UPLOAD_TEXBLEND0 0x100000 +#define I830_UPLOAD_TEXBLEND1 0x200000 +#define I830_UPLOAD_TEXBLEND2 0x400000 +#define I830_UPLOAD_TEXBLEND3 0x800000 +#define I830_UPLOAD_TEXBLEND_N(n) (0x100000 << (n)) +#define I830_UPLOAD_TEXBLEND_MASK 0xf00000 +#define I830_UPLOAD_TEX_PALETTE_N(n) (0x1000000 << (n)) +#define I830_UPLOAD_TEX_PALETTE_SHARED 0x4000000 +#define I830_UPLOAD_STIPPLE 0x8000000 + +/* Indices into buf.Setup where various bits of state are mirrored per + * context and per buffer. These can be fired at the card as a unit, + * or in a piecewise fashion as required. + */ + +/* Destbuffer state + * - backbuffer linear offset and pitch -- invarient in the current dri + * - zbuffer linear offset and pitch -- also invarient + * - drawing origin in back and depth buffers. + * + * Keep the depth/back buffer state here to accommodate private buffers + * in the future. + */ + +#define I830_DESTREG_CBUFADDR 0 +#define I830_DESTREG_DBUFADDR 1 +#define I830_DESTREG_DV0 2 +#define I830_DESTREG_DV1 3 +#define I830_DESTREG_SENABLE 4 +#define I830_DESTREG_SR0 5 +#define I830_DESTREG_SR1 6 +#define I830_DESTREG_SR2 7 +#define I830_DESTREG_DR0 8 +#define I830_DESTREG_DR1 9 +#define I830_DESTREG_DR2 10 +#define I830_DESTREG_DR3 11 +#define I830_DESTREG_DR4 12 +#define I830_DEST_SETUP_SIZE 13 + +/* Context state + */ +#define I830_CTXREG_STATE1 0 +#define I830_CTXREG_STATE2 1 +#define I830_CTXREG_STATE3 2 +#define I830_CTXREG_STATE4 3 +#define I830_CTXREG_STATE5 4 +#define I830_CTXREG_IALPHAB 5 +#define I830_CTXREG_STENCILTST 6 +#define I830_CTXREG_ENABLES_1 7 +#define I830_CTXREG_ENABLES_2 8 +#define I830_CTXREG_AA 9 +#define I830_CTXREG_FOGCOLOR 10 +#define I830_CTXREG_BLENDCOLR0 11 +#define I830_CTXREG_BLENDCOLR 12 /* Dword 1 of 2 dword command */ +#define I830_CTXREG_VF 13 +#define I830_CTXREG_VF2 14 +#define I830_CTXREG_MCSB0 15 +#define I830_CTXREG_MCSB1 16 +#define I830_CTX_SETUP_SIZE 17 + +/* 1.3: Stipple state + */ +#define I830_STPREG_ST0 0 +#define I830_STPREG_ST1 1 +#define I830_STP_SETUP_SIZE 2 + + +/* Texture state (per tex unit) + */ + +#define I830_TEXREG_MI0 0 /* GFX_OP_MAP_INFO (6 dwords) */ +#define I830_TEXREG_MI1 1 +#define I830_TEXREG_MI2 2 +#define I830_TEXREG_MI3 3 +#define I830_TEXREG_MI4 4 +#define I830_TEXREG_MI5 5 +#define I830_TEXREG_MF 6 /* GFX_OP_MAP_FILTER */ +#define I830_TEXREG_MLC 7 /* GFX_OP_MAP_LOD_CTL */ +#define I830_TEXREG_MLL 8 /* GFX_OP_MAP_LOD_LIMITS */ +#define I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS */ +#define I830_TEX_SETUP_SIZE 10 + +#define I830_TEXREG_TM0LI 0 /* load immediate 2 texture map n */ +#define I830_TEXREG_TM0S0 1 +#define I830_TEXREG_TM0S1 2 +#define I830_TEXREG_TM0S2 3 +#define I830_TEXREG_TM0S3 4 +#define I830_TEXREG_TM0S4 5 +#define I830_TEXREG_NOP0 6 /* noop */ +#define I830_TEXREG_NOP1 7 /* noop */ +#define I830_TEXREG_NOP2 8 /* noop */ +#define __I830_TEXREG_MCS 9 /* GFX_OP_MAP_COORD_SETS -- shared */ +#define __I830_TEX_SETUP_SIZE 10 + +#define I830_FRONT 0x1 +#define I830_BACK 0x2 +#define I830_DEPTH 0x4 + +#endif /* _I830_DEFINES_ */ + +typedef struct _drm_i830_init { + enum { + I830_INIT_DMA = 0x01, + I830_CLEANUP_DMA = 0x02 + } func; + unsigned int mmio_offset; + unsigned int buffers_offset; + int sarea_priv_offset; + unsigned int ring_start; + unsigned int ring_end; + unsigned int ring_size; + unsigned int front_offset; + unsigned int back_offset; + unsigned int depth_offset; + unsigned int w; + unsigned int h; + unsigned int pitch; + unsigned int pitch_bits; + unsigned int back_pitch; + unsigned int depth_pitch; + unsigned int cpp; +} drm_i830_init_t; + +/* Warning: If you change the SAREA structure you must change the Xserver + * structure as well */ + +typedef struct _drm_i830_tex_region { + unsigned char next, prev; /* indices to form a circular LRU */ + unsigned char in_use; /* owned by a client, or free? */ + int age; /* tracked by clients to update local LRU's */ +} drm_i830_tex_region_t; + +typedef struct _drm_i830_sarea { + unsigned int ContextState[I830_CTX_SETUP_SIZE]; + unsigned int BufferState[I830_DEST_SETUP_SIZE]; + unsigned int TexState[I830_TEXTURE_COUNT][I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState[I830_TEXBLEND_COUNT][I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed[I830_TEXBLEND_COUNT]; + unsigned int Palette[2][256]; + unsigned int dirty; + + unsigned int nbox; + drm_clip_rect_t boxes[I830_NR_SAREA_CLIPRECTS]; + + /* Maintain an LRU of contiguous regions of texture space. If + * you think you own a region of texture memory, and it has an + * age different to the one you set, then you are mistaken and + * it has been stolen by another client. If global texAge + * hasn't changed, there is no need to walk the list. + * + * These regions can be used as a proxy for the fine-grained + * texture information of other clients - by maintaining them + * in the same lru which is used to age their own textures, + * clients have an approximate lru for the whole of global + * texture space, and can make informed decisions as to which + * areas to kick out. There is no need to choose whether to + * kick out your own texture or someone else's - simply eject + * them all in LRU order. + */ + + drm_i830_tex_region_t texList[I830_NR_TEX_REGIONS+1]; + /* Last elt is sentinal */ + int texAge; /* last time texture was uploaded */ + int last_enqueue; /* last time a buffer was enqueued */ + int last_dispatch; /* age of the most recently dispatched buffer */ + int last_quiescent; /* */ + int ctxOwner; /* last context to upload state */ + + int vertex_prim; + + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; + int pf_current_page; /* which buffer is being displayed? */ + + int perf_boxes; /* performance boxes to be displayed */ + + /* Here's the state for texunits 2,3: + */ + unsigned int TexState2[I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState2[I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed2; + + unsigned int TexState3[I830_TEX_SETUP_SIZE]; + unsigned int TexBlendState3[I830_TEXBLEND_SIZE]; + unsigned int TexBlendStateWordsUsed3; + + unsigned int StippleState[I830_STP_SETUP_SIZE]; +} drm_i830_sarea_t; + +/* Flags for perf_boxes + */ +#define I830_BOX_RING_EMPTY 0x1 /* populated by kernel */ +#define I830_BOX_FLIP 0x2 /* populated by kernel */ +#define I830_BOX_WAIT 0x4 /* populated by kernel & client */ +#define I830_BOX_TEXTURE_LOAD 0x8 /* populated by kernel */ +#define I830_BOX_LOST_CONTEXT 0x10 /* populated by client */ + + +/* I830 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_I830_INIT 0x00 +#define DRM_I830_VERTEX 0x01 +#define DRM_I830_CLEAR 0x02 +#define DRM_I830_FLUSH 0x03 +#define DRM_I830_GETAGE 0x04 +#define DRM_I830_GETBUF 0x05 +#define DRM_I830_SWAP 0x06 +#define DRM_I830_COPY 0x07 +#define DRM_I830_DOCOPY 0x08 +#define DRM_I830_FLIP 0x09 +#define DRM_I830_IRQ_EMIT 0x0a +#define DRM_I830_IRQ_WAIT 0x0b +#define DRM_I830_GETPARAM 0x0c +#define DRM_I830_SETPARAM 0x0d + +#define DRM_IOCTL_I830_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_INIT, drm_i830_init_t) +#define DRM_IOCTL_I830_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_VERTEX, drm_i830_vertex_t) +#define DRM_IOCTL_I830_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_CLEAR, drm_i830_clear_t) +#define DRM_IOCTL_I830_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLUSH) +#define DRM_IOCTL_I830_GETAGE DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_GETAGE) +#define DRM_IOCTL_I830_GETBUF DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETBUF, drm_i830_dma_t) +#define DRM_IOCTL_I830_SWAP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_SWAP) +#define DRM_IOCTL_I830_COPY DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_COPY, drm_i830_copy_t) +#define DRM_IOCTL_I830_DOCOPY DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_DOCOPY) +#define DRM_IOCTL_I830_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_IOCTL_I830_FLIP) +#define DRM_IOCTL_I830_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_EMIT, drm_i830_irq_emit_t) +#define DRM_IOCTL_I830_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_IOCTL_I830_IRQ_WAIT, drm_i830_irq_wait_t) +#define DRM_IOCTL_I830_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_GETPARAM, drm_i830_getparam_t) +#define DRM_IOCTL_I830_SETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_IOCTL_I830_SETPARAM, drm_i830_setparam_t) + +typedef struct _drm_i830_clear { + int clear_color; + int clear_depth; + int flags; + unsigned int clear_colormask; + unsigned int clear_depthmask; +} drm_i830_clear_t; + + + +/* These may be placeholders if we have more cliprects than + * I830_NR_SAREA_CLIPRECTS. In that case, the client sets discard to + * false, indicating that the buffer will be dispatched again with a + * new set of cliprects. + */ +typedef struct _drm_i830_vertex { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + int discard; /* client is finished with the buffer? */ +} drm_i830_vertex_t; + +typedef struct _drm_i830_copy_t { + int idx; /* buffer index */ + int used; /* nr bytes in use */ + void __user *address; /* Address to copy from */ +} drm_i830_copy_t; + +typedef struct drm_i830_dma { + void __user *virtual; + int request_idx; + int request_size; + int granted; +} drm_i830_dma_t; + + +/* 1.3: Userspace can request & wait on irq's: + */ +typedef struct drm_i830_irq_emit { + int __user *irq_seq; +} drm_i830_irq_emit_t; + +typedef struct drm_i830_irq_wait { + int irq_seq; +} drm_i830_irq_wait_t; + + +/* 1.3: New ioctl to query kernel params: + */ +#define I830_PARAM_IRQ_ACTIVE 1 + +typedef struct drm_i830_getparam { + int param; + int __user *value; +} drm_i830_getparam_t; + + +/* 1.3: New ioctl to set kernel params: + */ +#define I830_SETPARAM_USE_MI_BATCHBUFFER_START 1 + +typedef struct drm_i830_setparam { + int param; + int value; +} drm_i830_setparam_t; + + +#endif /* _I830_DRM_H_ */ diff --git a/drivers/char/drm/i830_drv.c b/drivers/char/drm/i830_drv.c new file mode 100644 index 0000000..aa80ad6 --- /dev/null +++ b/drivers/char/drm/i830_drv.c @@ -0,0 +1,137 @@ +/* i830_drv.c -- I810 driver -*- linux-c -*- + * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * Abraham vd Merwe <abraham@2d3d.co.za> + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#include <linux/config.h> +#include "drmP.h" +#include "drm.h" +#include "i830_drm.h" +#include "i830_drv.h" + +#include "drm_pciids.h" + +int postinit( struct drm_device *dev, unsigned long flags ) +{ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + i830_PCI_IDS +}; + +extern drm_ioctl_desc_t i830_ioctls[]; +extern int i830_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE, +#if USE_IRQS + .driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ, +#endif + .dev_priv_size = sizeof(drm_i830_buf_priv_t), + .pretakedown = i830_driver_pretakedown, + .prerelease = i830_driver_prerelease, + .release = i830_driver_release, + .dma_quiescent = i830_driver_dma_quiescent, + .reclaim_buffers = i830_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, +#if USE_IRQS + .irq_preinstall = i830_driver_irq_preinstall, + .irq_postinstall = i830_driver_irq_postinstall, + .irq_uninstall = i830_driver_irq_uninstall, + .irq_handler = i830_driver_irq_handler, +#endif + .postinit = postinit, + .version = version, + .ioctls = i830_ioctls, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } + +}; + +static int __init i830_init(void) +{ + driver.num_ioctls = i830_max_ioctl; + return drm_init(&driver); +} + +static void __exit i830_exit(void) +{ + drm_exit(&driver); +} + +module_init(i830_init); +module_exit(i830_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/i830_drv.h b/drivers/char/drm/i830_drv.h new file mode 100644 index 0000000..d4b2d09 --- /dev/null +++ b/drivers/char/drm/i830_drv.h @@ -0,0 +1,301 @@ +/* i830_drv.h -- Private header for the I830 driver -*- linux-c -*- + * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * + */ + +#ifndef _I830_DRV_H_ +#define _I830_DRV_H_ + +/* General customization: + */ + +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "i830" +#define DRIVER_DESC "Intel 830M" +#define DRIVER_DATE "20021108" + +/* Interface history: + * + * 1.1: Original. + * 1.2: ? + * 1.3: New irq emit/wait ioctls. + * New pageflip ioctl. + * New getparam ioctl. + * State for texunits 3&4 in sarea. + * New (alternative) layout for texture state. + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 3 +#define DRIVER_PATCHLEVEL 2 + +/* Driver will work either way: IRQ's save cpu time when waiting for + * the card, but are subject to subtle interactions between bios, + * hardware and the driver. + */ +/* XXX: Add vblank support? */ +#define USE_IRQS 0 + +typedef struct drm_i830_buf_priv { + u32 *in_use; + int my_use_idx; + int currently_mapped; + void __user *virtual; + void *kernel_virtual; +} drm_i830_buf_priv_t; + +typedef struct _drm_i830_ring_buffer{ + int tail_mask; + unsigned long Start; + unsigned long End; + unsigned long Size; + u8 *virtual_start; + int head; + int tail; + int space; +} drm_i830_ring_buffer_t; + +typedef struct drm_i830_private { + drm_map_t *sarea_map; + drm_map_t *mmio_map; + + drm_i830_sarea_t *sarea_priv; + drm_i830_ring_buffer_t ring; + + void * hw_status_page; + unsigned long counter; + + dma_addr_t dma_status_page; + + drm_buf_t *mmap_buffer; + + u32 front_di1, back_di1, zi1; + + int back_offset; + int depth_offset; + int front_offset; + int w, h; + int pitch; + int back_pitch; + int depth_pitch; + unsigned int cpp; + + int do_boxes; + int dma_used; + + int current_page; + int page_flipping; + + wait_queue_head_t irq_queue; + atomic_t irq_received; + atomic_t irq_emitted; + + int use_mi_batchbuffer_start; + +} drm_i830_private_t; + +/* i830_dma.c */ +extern void i830_reclaim_buffers(drm_device_t *dev, struct file *filp); + +extern int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma); + +/* i830_irq.c */ +extern int i830_irq_emit( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); +extern int i830_irq_wait( struct inode *inode, struct file *filp, + unsigned int cmd, unsigned long arg ); + +extern irqreturn_t i830_driver_irq_handler( DRM_IRQ_ARGS ); +extern void i830_driver_irq_preinstall( drm_device_t *dev ); +extern void i830_driver_irq_postinstall( drm_device_t *dev ); +extern void i830_driver_irq_uninstall( drm_device_t *dev ); +extern void i830_driver_pretakedown(drm_device_t *dev); +extern void i830_driver_release(drm_device_t *dev, struct file *filp); +extern int i830_driver_dma_quiescent(drm_device_t *dev); +extern void i830_driver_prerelease(drm_device_t *dev, DRMFILE filp); + +#define I830_BASE(reg) ((unsigned long) \ + dev_priv->mmio_map->handle) +#define I830_ADDR(reg) (I830_BASE(reg) + reg) +#define I830_DEREF(reg) *(__volatile__ unsigned int *)I830_ADDR(reg) +#define I830_READ(reg) readl((volatile u32 *)I830_ADDR(reg)) +#define I830_WRITE(reg,val) writel(val, (volatile u32 *)I830_ADDR(reg)) +#define I830_DEREF16(reg) *(__volatile__ u16 *)I830_ADDR(reg) +#define I830_READ16(reg) I830_DEREF16(reg) +#define I830_WRITE16(reg,val) do { I830_DEREF16(reg) = val; } while (0) + + + +#define I830_VERBOSE 0 + +#define RING_LOCALS unsigned int outring, ringmask, outcount; \ + volatile char *virt; + +#define BEGIN_LP_RING(n) do { \ + if (I830_VERBOSE) \ + printk("BEGIN_LP_RING(%d) in %s\n", \ + n, __FUNCTION__); \ + if (dev_priv->ring.space < n*4) \ + i830_wait_ring(dev, n*4, __FUNCTION__); \ + outcount = 0; \ + outring = dev_priv->ring.tail; \ + ringmask = dev_priv->ring.tail_mask; \ + virt = dev_priv->ring.virtual_start; \ +} while (0) + + +#define OUT_RING(n) do { \ + if (I830_VERBOSE) printk(" OUT_RING %x\n", (int)(n)); \ + *(volatile unsigned int *)(virt + outring) = n; \ + outcount++; \ + outring += 4; \ + outring &= ringmask; \ +} while (0) + +#define ADVANCE_LP_RING() do { \ + if (I830_VERBOSE) printk("ADVANCE_LP_RING %x\n", outring); \ + dev_priv->ring.tail = outring; \ + dev_priv->ring.space -= outcount * 4; \ + I830_WRITE(LP_RING + RING_TAIL, outring); \ +} while(0) + +extern int i830_wait_ring(drm_device_t *dev, int n, const char *caller); + + +#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) +#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) +#define CMD_REPORT_HEAD (7<<23) +#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) +#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) + +#define STATE3D_LOAD_STATE_IMMEDIATE_2 ((0x3<<29)|(0x1d<<24)|(0x03<<16)) +#define LOAD_TEXTURE_MAP0 (1<<11) + +#define INST_PARSER_CLIENT 0x00000000 +#define INST_OP_FLUSH 0x02000000 +#define INST_FLUSH_MAP_CACHE 0x00000001 + + +#define BB1_START_ADDR_MASK (~0x7) +#define BB1_PROTECTED (1<<0) +#define BB1_UNPROTECTED (0<<0) +#define BB2_END_ADDR_MASK (~0x7) + +#define I830REG_HWSTAM 0x02098 +#define I830REG_INT_IDENTITY_R 0x020a4 +#define I830REG_INT_MASK_R 0x020a8 +#define I830REG_INT_ENABLE_R 0x020a0 + +#define I830_IRQ_RESERVED ((1<<13)|(3<<2)) + + +#define LP_RING 0x2030 +#define HP_RING 0x2040 +#define RING_TAIL 0x00 +#define TAIL_ADDR 0x001FFFF8 +#define RING_HEAD 0x04 +#define HEAD_WRAP_COUNT 0xFFE00000 +#define HEAD_WRAP_ONE 0x00200000 +#define HEAD_ADDR 0x001FFFFC +#define RING_START 0x08 +#define START_ADDR 0x0xFFFFF000 +#define RING_LEN 0x0C +#define RING_NR_PAGES 0x001FF000 +#define RING_REPORT_MASK 0x00000006 +#define RING_REPORT_64K 0x00000002 +#define RING_REPORT_128K 0x00000004 +#define RING_NO_REPORT 0x00000000 +#define RING_VALID_MASK 0x00000001 +#define RING_VALID 0x00000001 +#define RING_INVALID 0x00000000 + +#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define SC_UPDATE_SCISSOR (0x1<<1) +#define SC_ENABLE_MASK (0x1<<0) +#define SC_ENABLE (0x1<<0) + +#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) +#define SCI_YMIN_MASK (0xffff<<16) +#define SCI_XMIN_MASK (0xffff<<0) +#define SCI_YMAX_MASK (0xffff<<16) +#define SCI_XMAX_MASK (0xffff<<0) + +#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) +#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) +#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) +#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) +#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) +#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) +#define GFX_OP_PRIMITIVE ((0x3<<29)|(0x1f<<24)) + +#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) + +#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) +#define ASYNC_FLIP (1<<22) + +#define CMD_3D (0x3<<29) +#define STATE3D_CONST_BLEND_COLOR_CMD (CMD_3D|(0x1d<<24)|(0x88<<16)) +#define STATE3D_MAP_COORD_SETBIND_CMD (CMD_3D|(0x1d<<24)|(0x02<<16)) + +#define BR00_BITBLT_CLIENT 0x40000000 +#define BR00_OP_COLOR_BLT 0x10000000 +#define BR00_OP_SRC_COPY_BLT 0x10C00000 +#define BR13_SOLID_PATTERN 0x80000000 + +#define BUF_3D_ID_COLOR_BACK (0x3<<24) +#define BUF_3D_ID_DEPTH (0x7<<24) +#define BUF_3D_USE_FENCE (1<<23) +#define BUF_3D_PITCH(x) (((x)/4)<<2) + +#define CMD_OP_MAP_PALETTE_LOAD ((3<<29)|(0x1d<<24)|(0x82<<16)|255) +#define MAP_PALETTE_NUM(x) ((x<<8) & (1<<8)) +#define MAP_PALETTE_BOTH (1<<11) + +#define XY_COLOR_BLT_CMD ((2<<29)|(0x50<<22)|0x4) +#define XY_COLOR_BLT_WRITE_ALPHA (1<<21) +#define XY_COLOR_BLT_WRITE_RGB (1<<20) + +#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) +#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) + +#define MI_BATCH_BUFFER ((0x30<<23)|1) +#define MI_BATCH_BUFFER_START (0x31<<23) +#define MI_BATCH_BUFFER_END (0xA<<23) +#define MI_BATCH_NON_SECURE (1) + +#define MI_WAIT_FOR_EVENT ((0x3<<23)) +#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) +#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) + +#define MI_LOAD_SCAN_LINES_INCL ((0x12<<23)) + +#endif + diff --git a/drivers/char/drm/i830_irq.c b/drivers/char/drm/i830_irq.c new file mode 100644 index 0000000..6d7729f --- /dev/null +++ b/drivers/char/drm/i830_irq.c @@ -0,0 +1,204 @@ +/* i830_dma.c -- DMA support for the I830 -*- linux-c -*- + * + * Copyright 2002 Tungsten Graphics, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: Keith Whitwell <keith@tungstengraphics.com> + * + */ + +#include "drmP.h" +#include "drm.h" +#include "i830_drm.h" +#include "i830_drv.h" +#include <linux/interrupt.h> /* For task queue support */ +#include <linux/delay.h> + + +irqreturn_t i830_driver_irq_handler( DRM_IRQ_ARGS ) +{ + drm_device_t *dev = (drm_device_t *)arg; + drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private; + u16 temp; + + temp = I830_READ16(I830REG_INT_IDENTITY_R); + DRM_DEBUG("%x\n", temp); + + if ( !( temp & 2 ) ) + return IRQ_NONE; + + I830_WRITE16(I830REG_INT_IDENTITY_R, temp); + + atomic_inc(&dev_priv->irq_received); + wake_up_interruptible(&dev_priv->irq_queue); + + return IRQ_HANDLED; +} + + +int i830_emit_irq(drm_device_t *dev) +{ + drm_i830_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + DRM_DEBUG("%s\n", __FUNCTION__); + + atomic_inc(&dev_priv->irq_emitted); + + BEGIN_LP_RING(2); + OUT_RING( 0 ); + OUT_RING( GFX_OP_USER_INTERRUPT ); + ADVANCE_LP_RING(); + + return atomic_read(&dev_priv->irq_emitted); +} + + +int i830_wait_irq(drm_device_t *dev, int irq_nr) +{ + drm_i830_private_t *dev_priv = + (drm_i830_private_t *)dev->dev_private; + DECLARE_WAITQUEUE(entry, current); + unsigned long end = jiffies + HZ*3; + int ret = 0; + + DRM_DEBUG("%s\n", __FUNCTION__); + + if (atomic_read(&dev_priv->irq_received) >= irq_nr) + return 0; + + dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT; + + add_wait_queue(&dev_priv->irq_queue, &entry); + + for (;;) { + __set_current_state(TASK_INTERRUPTIBLE); + if (atomic_read(&dev_priv->irq_received) >= irq_nr) + break; + if((signed)(end - jiffies) <= 0) { + DRM_ERROR("timeout iir %x imr %x ier %x hwstam %x\n", + I830_READ16( I830REG_INT_IDENTITY_R ), + I830_READ16( I830REG_INT_MASK_R ), + I830_READ16( I830REG_INT_ENABLE_R ), + I830_READ16( I830REG_HWSTAM )); + + ret = -EBUSY; /* Lockup? Missed irq? */ + break; + } + schedule_timeout(HZ*3); + if (signal_pending(current)) { + ret = -EINTR; + break; + } + } + + __set_current_state(TASK_RUNNING); + remove_wait_queue(&dev_priv->irq_queue, &entry); + return ret; +} + + +/* Needs the lock as it touches the ring. + */ +int i830_irq_emit( struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_irq_emit_t emit; + int result; + + LOCK_TEST_WITH_RETURN(dev, filp); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return -EINVAL; + } + + if (copy_from_user( &emit, (drm_i830_irq_emit_t __user *)arg, sizeof(emit) )) + return -EFAULT; + + result = i830_emit_irq( dev ); + + if ( copy_to_user( emit.irq_seq, &result, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return -EFAULT; + } + + return 0; +} + + +/* Doesn't need the hardware lock. + */ +int i830_irq_wait( struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg ) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->head->dev; + drm_i830_private_t *dev_priv = dev->dev_private; + drm_i830_irq_wait_t irqwait; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return -EINVAL; + } + + if (copy_from_user( &irqwait, (drm_i830_irq_wait_t __user *)arg, + sizeof(irqwait) )) + return -EFAULT; + + return i830_wait_irq( dev, irqwait.irq_seq ); +} + + +/* drm_dma.h hooks +*/ +void i830_driver_irq_preinstall( drm_device_t *dev ) { + drm_i830_private_t *dev_priv = + (drm_i830_private_t *)dev->dev_private; + + I830_WRITE16( I830REG_HWSTAM, 0xffff ); + I830_WRITE16( I830REG_INT_MASK_R, 0x0 ); + I830_WRITE16( I830REG_INT_ENABLE_R, 0x0 ); + atomic_set(&dev_priv->irq_received, 0); + atomic_set(&dev_priv->irq_emitted, 0); + init_waitqueue_head(&dev_priv->irq_queue); +} + +void i830_driver_irq_postinstall( drm_device_t *dev ) { + drm_i830_private_t *dev_priv = + (drm_i830_private_t *)dev->dev_private; + + I830_WRITE16( I830REG_INT_ENABLE_R, 0x2 ); +} + +void i830_driver_irq_uninstall( drm_device_t *dev ) { + drm_i830_private_t *dev_priv = + (drm_i830_private_t *)dev->dev_private; + if (!dev_priv) + return; + + I830_WRITE16( I830REG_INT_MASK_R, 0xffff ); + I830_WRITE16( I830REG_INT_ENABLE_R, 0x0 ); +} diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c new file mode 100644 index 0000000..7300a09 --- /dev/null +++ b/drivers/char/drm/i915_dma.c @@ -0,0 +1,725 @@ +/* i915_dma.c -- DMA support for the I915 -*- linux-c -*- + */ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#include "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +drm_ioctl_desc_t i915_ioctls[] = { + [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, 1, 1}, + [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_FLIP)] = {i915_flip_bufs, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_BATCHBUFFER)] = {i915_batchbuffer, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_IRQ_EMIT)] = {i915_irq_emit, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_IRQ_WAIT)] = {i915_irq_wait, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_GETPARAM)] = {i915_getparam, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_SETPARAM)] = {i915_setparam, 1, 1}, + [DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, 1, 0}, + [DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, 1, 1}, + [DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, 1, 0} +}; + +int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); + +/* Really want an OS-independent resettable timer. Would like to have + * this loop run for (eg) 3 sec, but have the timer reset every time + * the head pointer changes, so that EBUSY only happens if the ring + * actually stalls for (eg) 3 seconds. + */ +int i915_wait_ring(drm_device_t * dev, int n, const char *caller) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_ring_buffer_t *ring = &(dev_priv->ring); + u32 last_head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + int i; + + for (i = 0; i < 10000; i++) { + ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->Size; + if (ring->space >= n) + return 0; + + dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; + + if (ring->head != last_head) + i = 0; + + last_head = ring->head; + } + + return DRM_ERR(EBUSY); +} + +void i915_kernel_lost_context(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_ring_buffer_t *ring = &(dev_priv->ring); + + ring->head = I915_READ(LP_RING + RING_HEAD) & HEAD_ADDR; + ring->tail = I915_READ(LP_RING + RING_TAIL) & TAIL_ADDR; + ring->space = ring->head - (ring->tail + 8); + if (ring->space < 0) + ring->space += ring->Size; + + if (ring->head == ring->tail) + dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; +} + +int i915_dma_cleanup(drm_device_t * dev) +{ + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if (dev->irq) + drm_irq_uninstall (dev); + + if (dev->dev_private) { + drm_i915_private_t *dev_priv = + (drm_i915_private_t *) dev->dev_private; + + if (dev_priv->ring.virtual_start) { + drm_core_ioremapfree( &dev_priv->ring.map, dev); + } + + if (dev_priv->hw_status_page) { + drm_pci_free(dev, PAGE_SIZE, dev_priv->hw_status_page, + dev_priv->dma_status_page); + /* Need to rewrite hardware status page */ + I915_WRITE(0x02080, 0x1ffff000); + } + + drm_free (dev->dev_private, sizeof(drm_i915_private_t), + DRM_MEM_DRIVER); + + dev->dev_private = NULL; + } + + return 0; +} + +static int i915_initialize(drm_device_t * dev, + drm_i915_private_t * dev_priv, + drm_i915_init_t * init) +{ + memset(dev_priv, 0, sizeof(drm_i915_private_t)); + + DRM_GETSAREA(); + if (!dev_priv->sarea) { + DRM_ERROR("can not find sarea!\n"); + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + return DRM_ERR(EINVAL); + } + + dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio_map) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + DRM_ERROR("can not find mmio map!\n"); + return DRM_ERR(EINVAL); + } + + dev_priv->sarea_priv = (drm_i915_sarea_t *) + ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset); + + dev_priv->ring.Start = init->ring_start; + dev_priv->ring.End = init->ring_end; + dev_priv->ring.Size = init->ring_size; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + + dev_priv->ring.map.offset = init->ring_start; + dev_priv->ring.map.size = init->ring_size; + dev_priv->ring.map.type = 0; + dev_priv->ring.map.flags = 0; + dev_priv->ring.map.mtrr = 0; + + drm_core_ioremap( &dev_priv->ring.map, dev ); + + if (dev_priv->ring.map.handle == NULL) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + DRM_ERROR("can not ioremap virtual address for" + " ring buffer\n"); + return DRM_ERR(ENOMEM); + } + + dev_priv->ring.virtual_start = dev_priv->ring.map.handle; + + dev_priv->back_offset = init->back_offset; + dev_priv->front_offset = init->front_offset; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; + + /* We are using separate values as placeholders for mechanisms for + * private backbuffer/depthbuffer usage. + */ + dev_priv->use_mi_batchbuffer_start = 0; + + /* Allow hardware batchbuffers unless told otherwise. + */ + dev_priv->allow_batchbuffer = 1; + + /* Program Hardware Status Page */ + dev_priv->hw_status_page = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, + 0xffffffff, + &dev_priv->dma_status_page); + + if (!dev_priv->hw_status_page) { + dev->dev_private = (void *)dev_priv; + i915_dma_cleanup(dev); + DRM_ERROR("Can not allocate hardware status page\n"); + return DRM_ERR(ENOMEM); + } + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + + I915_WRITE(0x02080, dev_priv->dma_status_page); + DRM_DEBUG("Enabled hardware status page\n"); + + dev->dev_private = (void *)dev_priv; + + return 0; +} + +static int i915_resume(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + + if (!dev_priv->sarea) { + DRM_ERROR("can not find sarea!\n"); + return DRM_ERR(EINVAL); + } + + if (!dev_priv->mmio_map) { + DRM_ERROR("can not find mmio map!\n"); + return DRM_ERR(EINVAL); + } + + if (dev_priv->ring.map.handle == NULL) { + DRM_ERROR("can not ioremap virtual address for" + " ring buffer\n"); + return DRM_ERR(ENOMEM); + } + + /* Program Hardware Status Page */ + if (!dev_priv->hw_status_page) { + DRM_ERROR("Can not find hardware status page\n"); + return DRM_ERR(EINVAL); + } + DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + + I915_WRITE(0x02080, dev_priv->dma_status_page); + DRM_DEBUG("Enabled hardware status page\n"); + + return 0; +} + +int i915_dma_init(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv; + drm_i915_init_t init; + int retcode = 0; + + DRM_COPY_FROM_USER_IOCTL(init, (drm_i915_init_t __user *) data, + sizeof(init)); + + switch (init.func) { + case I915_INIT_DMA: + dev_priv = drm_alloc (sizeof(drm_i915_private_t), + DRM_MEM_DRIVER); + if (dev_priv == NULL) + return DRM_ERR(ENOMEM); + retcode = i915_initialize(dev, dev_priv, &init); + break; + case I915_CLEANUP_DMA: + retcode = i915_dma_cleanup(dev); + break; + case I915_RESUME_DMA: + retcode = i915_resume(dev); + break; + default: + retcode = -EINVAL; + break; + } + + return retcode; +} + +/* Implement basically the same security restrictions as hardware does + * for MI_BATCH_NON_SECURE. These can be made stricter at any time. + * + * Most of the calculations below involve calculating the size of a + * particular instruction. It's important to get the size right as + * that tells us where the next instruction to check is. Any illegal + * instruction detected will be given a size of zero, which is a + * signal to abort the rest of the buffer. + */ +static int do_validate_cmd(int cmd) +{ + switch (((cmd >> 29) & 0x7)) { + case 0x0: + switch ((cmd >> 23) & 0x3f) { + case 0x0: + return 1; /* MI_NOOP */ + case 0x4: + return 1; /* MI_FLUSH */ + default: + return 0; /* disallow everything else */ + } + break; + case 0x1: + return 0; /* reserved */ + case 0x2: + return (cmd & 0xff) + 2; /* 2d commands */ + case 0x3: + if (((cmd >> 24) & 0x1f) <= 0x18) + return 1; + + switch ((cmd >> 24) & 0x1f) { + case 0x1c: + return 1; + case 0x1d: + switch ((cmd>>16)&0xff) { + case 0x3: + return (cmd & 0x1f) + 2; + case 0x4: + return (cmd & 0xf) + 2; + default: + return (cmd & 0xffff) + 2; + } + case 0x1e: + if (cmd & (1 << 23)) + return (cmd & 0xffff) + 1; + else + return 1; + case 0x1f: + if ((cmd & (1 << 23)) == 0) /* inline vertices */ + return (cmd & 0x1ffff) + 2; + else if (cmd & (1 << 17)) /* indirect random */ + if ((cmd & 0xffff) == 0) + return 0; /* unknown length, too hard */ + else + return (((cmd & 0xffff) + 1) / 2) + 1; + else + return 2; /* indirect sequential */ + default: + return 0; + } + default: + return 0; + } + + return 0; +} + +static int validate_cmd(int cmd) +{ + int ret = do_validate_cmd(cmd); + +/* printk("validate_cmd( %x ): %d\n", cmd, ret); */ + + return ret; +} + +static int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + int i; + RING_LOCALS; + + for (i = 0; i < dwords;) { + int cmd, sz; + + if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd))) + return DRM_ERR(EINVAL); + +/* printk("%d/%d ", i, dwords); */ + + if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords) + return DRM_ERR(EINVAL); + + BEGIN_LP_RING(sz); + OUT_RING(cmd); + + while (++i, --sz) { + if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], + sizeof(cmd))) { + return DRM_ERR(EINVAL); + } + OUT_RING(cmd); + } + ADVANCE_LP_RING(); + } + + return 0; +} + +static int i915_emit_box(drm_device_t * dev, + drm_clip_rect_t __user * boxes, + int i, int DR1, int DR4) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_clip_rect_t box; + RING_LOCALS; + + if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) { + return EFAULT; + } + + if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) { + DRM_ERROR("Bad box %d,%d..%d,%d\n", + box.x1, box.y1, box.x2, box.y2); + return DRM_ERR(EINVAL); + } + + BEGIN_LP_RING(6); + OUT_RING(GFX_OP_DRAWRECT_INFO); + OUT_RING(DR1); + OUT_RING((box.x1 & 0xffff) | (box.y1 << 16)); + OUT_RING(((box.x2 - 1) & 0xffff) | ((box.y2 - 1) << 16)); + OUT_RING(DR4); + OUT_RING(0); + ADVANCE_LP_RING(); + + return 0; +} + +static int i915_dispatch_cmdbuffer(drm_device_t * dev, + drm_i915_cmdbuffer_t * cmd) +{ + int nbox = cmd->num_cliprects; + int i = 0, count, ret; + + if (cmd->sz & 0x3) { + DRM_ERROR("alignment"); + return DRM_ERR(EINVAL); + } + + i915_kernel_lost_context(dev); + + count = nbox ? nbox : 1; + + for (i = 0; i < count; i++) { + if (i < nbox) { + ret = i915_emit_box(dev, cmd->cliprects, i, + cmd->DR1, cmd->DR4); + if (ret) + return ret; + } + + ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4); + if (ret) + return ret; + } + + return 0; +} + +static int i915_dispatch_batchbuffer(drm_device_t * dev, + drm_i915_batchbuffer_t * batch) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_clip_rect_t __user *boxes = batch->cliprects; + int nbox = batch->num_cliprects; + int i = 0, count; + RING_LOCALS; + + if ((batch->start | batch->used) & 0x7) { + DRM_ERROR("alignment"); + return DRM_ERR(EINVAL); + } + + i915_kernel_lost_context(dev); + + count = nbox ? nbox : 1; + + for (i = 0; i < count; i++) { + if (i < nbox) { + int ret = i915_emit_box(dev, boxes, i, + batch->DR1, batch->DR4); + if (ret) + return ret; + } + + if (dev_priv->use_mi_batchbuffer_start) { + BEGIN_LP_RING(2); + OUT_RING(MI_BATCH_BUFFER_START | (2 << 6)); + OUT_RING(batch->start | MI_BATCH_NON_SECURE); + ADVANCE_LP_RING(); + } else { + BEGIN_LP_RING(4); + OUT_RING(MI_BATCH_BUFFER); + OUT_RING(batch->start | MI_BATCH_NON_SECURE); + OUT_RING(batch->start + batch->used - 4); + OUT_RING(0); + ADVANCE_LP_RING(); + } + } + + dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; + + BEGIN_LP_RING(4); + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(20); + OUT_RING(dev_priv->counter); + OUT_RING(0); + ADVANCE_LP_RING(); + + return 0; +} + +static int i915_dispatch_flip(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pf_current_page); + + i915_kernel_lost_context(dev); + + BEGIN_LP_RING(2); + OUT_RING(INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE); + OUT_RING(0); + ADVANCE_LP_RING(); + + BEGIN_LP_RING(6); + OUT_RING(CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP); + OUT_RING(0); + if (dev_priv->current_page == 0) { + OUT_RING(dev_priv->back_offset); + dev_priv->current_page = 1; + } else { + OUT_RING(dev_priv->front_offset); + dev_priv->current_page = 0; + } + OUT_RING(0); + ADVANCE_LP_RING(); + + BEGIN_LP_RING(2); + OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_PLANE_A_FLIP); + OUT_RING(0); + ADVANCE_LP_RING(); + + dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; + + BEGIN_LP_RING(4); + OUT_RING(CMD_STORE_DWORD_IDX); + OUT_RING(20); + OUT_RING(dev_priv->counter); + OUT_RING(0); + ADVANCE_LP_RING(); + + dev_priv->sarea_priv->pf_current_page = dev_priv->current_page; + return 0; +} + +static int i915_quiescent(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + + i915_kernel_lost_context(dev); + return i915_wait_ring(dev, dev_priv->ring.Size - 8, __FUNCTION__); +} + +int i915_flush_ioctl(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + + LOCK_TEST_WITH_RETURN(dev, filp); + + return i915_quiescent(dev); +} + +int i915_batchbuffer(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) + dev_priv->sarea_priv; + drm_i915_batchbuffer_t batch; + int ret; + + if (!dev_priv->allow_batchbuffer) { + DRM_ERROR("Batchbuffer ioctl disabled\n"); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(batch, (drm_i915_batchbuffer_t __user *) data, + sizeof(batch)); + + DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n", + batch.start, batch.used, batch.num_cliprects); + + LOCK_TEST_WITH_RETURN(dev, filp); + + if (batch.num_cliprects && DRM_VERIFYAREA_READ(batch.cliprects, + batch.num_cliprects * + sizeof(drm_clip_rect_t))) + return DRM_ERR(EFAULT); + + ret = i915_dispatch_batchbuffer(dev, &batch); + + sarea_priv->last_dispatch = (int)hw_status[5]; + return ret; +} + +int i915_cmdbuffer(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u32 *hw_status = dev_priv->hw_status_page; + drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *) + dev_priv->sarea_priv; + drm_i915_cmdbuffer_t cmdbuf; + int ret; + + DRM_COPY_FROM_USER_IOCTL(cmdbuf, (drm_i915_cmdbuffer_t __user *) data, + sizeof(cmdbuf)); + + DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n", + cmdbuf.buf, cmdbuf.sz, cmdbuf.num_cliprects); + + LOCK_TEST_WITH_RETURN(dev, filp); + + if (cmdbuf.num_cliprects && + DRM_VERIFYAREA_READ(cmdbuf.cliprects, + cmdbuf.num_cliprects * + sizeof(drm_clip_rect_t))) { + DRM_ERROR("Fault accessing cliprects\n"); + return DRM_ERR(EFAULT); + } + + ret = i915_dispatch_cmdbuffer(dev, &cmdbuf); + if (ret) { + DRM_ERROR("i915_dispatch_cmdbuffer failed\n"); + return ret; + } + + sarea_priv->last_dispatch = (int)hw_status[5]; + return 0; +} + +int i915_do_cleanup_pageflip(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("%s\n", __FUNCTION__); + if (dev_priv->current_page != 0) + i915_dispatch_flip(dev); + + return 0; +} + +int i915_flip_bufs(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + + DRM_DEBUG("%s\n", __FUNCTION__); + + LOCK_TEST_WITH_RETURN(dev, filp); + + return i915_dispatch_flip(dev); +} + +int i915_getparam(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_getparam_t param; + int value; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_getparam_t __user *) data, + sizeof(param)); + + switch (param.param) { + case I915_PARAM_IRQ_ACTIVE: + value = dev->irq ? 1 : 0; + break; + case I915_PARAM_ALLOW_BATCHBUFFER: + value = dev_priv->allow_batchbuffer ? 1 : 0; + break; + default: + DRM_ERROR("Unkown parameter %d\n", param.param); + return DRM_ERR(EINVAL); + } + + if (DRM_COPY_TO_USER(param.value, &value, sizeof(int))) { + DRM_ERROR("DRM_COPY_TO_USER failed\n"); + return DRM_ERR(EFAULT); + } + + return 0; +} + +int i915_setparam(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_setparam_t param; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(param, (drm_i915_setparam_t __user *) data, + sizeof(param)); + + switch (param.param) { + case I915_SETPARAM_USE_MI_BATCHBUFFER_START: + dev_priv->use_mi_batchbuffer_start = param.value; + break; + case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY: + dev_priv->tex_lru_log_granularity = param.value; + break; + case I915_SETPARAM_ALLOW_BATCHBUFFER: + dev_priv->allow_batchbuffer = param.value; + break; + default: + DRM_ERROR("unknown parameter %d\n", param.param); + return DRM_ERR(EINVAL); + } + + return 0; +} + +void i915_driver_pretakedown(drm_device_t *dev) +{ + if ( dev->dev_private ) { + drm_i915_private_t *dev_priv = dev->dev_private; + i915_mem_takedown( &(dev_priv->agp_heap) ); + } + i915_dma_cleanup( dev ); +} + +void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp) +{ + if ( dev->dev_private ) { + drm_i915_private_t *dev_priv = dev->dev_private; + i915_mem_release( dev, filp, dev_priv->agp_heap ); + } +} + diff --git a/drivers/char/drm/i915_drm.h b/drivers/char/drm/i915_drm.h new file mode 100644 index 0000000..7e55edf --- /dev/null +++ b/drivers/char/drm/i915_drm.h @@ -0,0 +1,167 @@ +#ifndef _I915_DRM_H_ +#define _I915_DRM_H_ + +/* Please note that modifications to all structs defined here are + * subject to backwards-compatibility constraints. + */ + +#include "drm.h" + +/* Each region is a minimum of 16k, and there are at most 255 of them. + */ +#define I915_NR_TEX_REGIONS 255 /* table size 2k - maximum due to use + * of chars for next/prev indices */ +#define I915_LOG_MIN_TEX_REGION_SIZE 14 + +typedef struct _drm_i915_init { + enum { + I915_INIT_DMA = 0x01, + I915_CLEANUP_DMA = 0x02, + I915_RESUME_DMA = 0x03 + } func; + unsigned int mmio_offset; + int sarea_priv_offset; + unsigned int ring_start; + unsigned int ring_end; + unsigned int ring_size; + unsigned int front_offset; + unsigned int back_offset; + unsigned int depth_offset; + unsigned int w; + unsigned int h; + unsigned int pitch; + unsigned int pitch_bits; + unsigned int back_pitch; + unsigned int depth_pitch; + unsigned int cpp; + unsigned int chipset; +} drm_i915_init_t; + +typedef struct _drm_i915_sarea { + drm_tex_region_t texList[I915_NR_TEX_REGIONS + 1]; + int last_upload; /* last time texture was uploaded */ + int last_enqueue; /* last time a buffer was enqueued */ + int last_dispatch; /* age of the most recently dispatched buffer */ + int ctxOwner; /* last context to upload state */ + int texAge; + int pf_enabled; /* is pageflipping allowed? */ + int pf_active; + int pf_current_page; /* which buffer is being displayed? */ + int perf_boxes; /* performance boxes to be displayed */ +} drm_i915_sarea_t; + +/* Flags for perf_boxes + */ +#define I915_BOX_RING_EMPTY 0x1 +#define I915_BOX_FLIP 0x2 +#define I915_BOX_WAIT 0x4 +#define I915_BOX_TEXTURE_LOAD 0x8 +#define I915_BOX_LOST_CONTEXT 0x10 + +/* I915 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_I915_INIT 0x00 +#define DRM_I915_FLUSH 0x01 +#define DRM_I915_FLIP 0x02 +#define DRM_I915_BATCHBUFFER 0x03 +#define DRM_I915_IRQ_EMIT 0x04 +#define DRM_I915_IRQ_WAIT 0x05 +#define DRM_I915_GETPARAM 0x06 +#define DRM_I915_SETPARAM 0x07 +#define DRM_I915_ALLOC 0x08 +#define DRM_I915_FREE 0x09 +#define DRM_I915_INIT_HEAP 0x0a +#define DRM_I915_CMDBUFFER 0x0b + +#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) +#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) +#define DRM_IOCTL_I915_FLIP DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLIP) +#define DRM_IOCTL_I915_BATCHBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_BATCHBUFFER, drm_i915_batchbuffer_t) +#define DRM_IOCTL_I915_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_IRQ_EMIT, drm_i915_irq_emit_t) +#define DRM_IOCTL_I915_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_IRQ_WAIT, drm_i915_irq_wait_t) +#define DRM_IOCTL_I915_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GETPARAM, drm_i915_getparam_t) +#define DRM_IOCTL_I915_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_I915_SETPARAM, drm_i915_setparam_t) +#define DRM_IOCTL_I915_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_ALLOC, drm_i915_mem_alloc_t) +#define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t) +#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t) +#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t) + +/* Allow drivers to submit batchbuffers directly to hardware, relying + * on the security mechanisms provided by hardware. + */ +typedef struct _drm_i915_batchbuffer { + int start; /* agp offset */ + int used; /* nr bytes in use */ + int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ + int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ + int num_cliprects; /* mulitpass with multiple cliprects? */ + drm_clip_rect_t __user *cliprects; /* pointer to userspace cliprects */ +} drm_i915_batchbuffer_t; + +/* As above, but pass a pointer to userspace buffer which can be + * validated by the kernel prior to sending to hardware. + */ +typedef struct _drm_i915_cmdbuffer { + char __user *buf; /* pointer to userspace command buffer */ + int sz; /* nr bytes in buf */ + int DR1; /* hw flags for GFX_OP_DRAWRECT_INFO */ + int DR4; /* window origin for GFX_OP_DRAWRECT_INFO */ + int num_cliprects; /* mulitpass with multiple cliprects? */ + drm_clip_rect_t __user *cliprects; /* pointer to userspace cliprects */ +} drm_i915_cmdbuffer_t; + +/* Userspace can request & wait on irq's: + */ +typedef struct drm_i915_irq_emit { + int __user *irq_seq; +} drm_i915_irq_emit_t; + +typedef struct drm_i915_irq_wait { + int irq_seq; +} drm_i915_irq_wait_t; + +/* Ioctl to query kernel params: + */ +#define I915_PARAM_IRQ_ACTIVE 1 +#define I915_PARAM_ALLOW_BATCHBUFFER 2 + +typedef struct drm_i915_getparam { + int param; + int __user *value; +} drm_i915_getparam_t; + +/* Ioctl to set kernel params: + */ +#define I915_SETPARAM_USE_MI_BATCHBUFFER_START 1 +#define I915_SETPARAM_TEX_LRU_LOG_GRANULARITY 2 +#define I915_SETPARAM_ALLOW_BATCHBUFFER 3 + +typedef struct drm_i915_setparam { + int param; + int value; +} drm_i915_setparam_t; + +/* A memory manager for regions of shared memory: + */ +#define I915_MEM_REGION_AGP 1 + +typedef struct drm_i915_mem_alloc { + int region; + int alignment; + int size; + int __user *region_offset; /* offset from start of fb or agp */ +} drm_i915_mem_alloc_t; + +typedef struct drm_i915_mem_free { + int region; + int region_offset; +} drm_i915_mem_free_t; + +typedef struct drm_i915_mem_init_heap { + int region; + int size; + int start; +} drm_i915_mem_init_heap_t; + +#endif /* _I915_DRM_H_ */ diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c new file mode 100644 index 0000000..002b708 --- /dev/null +++ b/drivers/char/drm/i915_drv.c @@ -0,0 +1,104 @@ +/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- + */ + +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#include "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +#include "drm_pciids.h" + +int postinit( struct drm_device *dev, unsigned long flags ) +{ + dev->counters += 4; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + dev->types[9] = _DRM_STAT_DMA; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + i915_PCI_IDS +}; + +extern drm_ioctl_desc_t i915_ioctls[]; +extern int i915_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | + DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, + .pretakedown = i915_driver_pretakedown, + .prerelease = i915_driver_prerelease, + .irq_preinstall = i915_driver_irq_preinstall, + .irq_postinstall = i915_driver_irq_postinstall, + .irq_uninstall = i915_driver_irq_uninstall, + .irq_handler = i915_driver_irq_handler, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = i915_ioctls, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init i915_init(void) +{ + driver.num_ioctls = i915_max_ioctl; + return drm_init(&driver); +} + +static void __exit i915_exit(void) +{ + drm_exit(&driver); +} + +module_init(i915_init); +module_exit(i915_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/i915_drv.h b/drivers/char/drm/i915_drv.h new file mode 100644 index 0000000..f6ca92a --- /dev/null +++ b/drivers/char/drm/i915_drv.h @@ -0,0 +1,243 @@ +/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*- + */ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#ifndef _I915_DRV_H_ +#define _I915_DRV_H_ + +/* General customization: + */ + +#define DRIVER_AUTHOR "Tungsten Graphics, Inc." + +#define DRIVER_NAME "i915" +#define DRIVER_DESC "Intel Graphics" +#define DRIVER_DATE "20040405" + +/* Interface history: + * + * 1.1: Original. + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +/* We use our own dma mechanisms, not the drm template code. However, + * the shared IRQ code is useful to us: + */ +#define __HAVE_PM 1 + +typedef struct _drm_i915_ring_buffer { + int tail_mask; + unsigned long Start; + unsigned long End; + unsigned long Size; + u8 *virtual_start; + int head; + int tail; + int space; + drm_local_map_t map; +} drm_i915_ring_buffer_t; + +struct mem_block { + struct mem_block *next; + struct mem_block *prev; + int start; + int size; + DRMFILE filp; /* 0: free, -1: heap, other: real files */ +}; + +typedef struct drm_i915_private { + drm_local_map_t *sarea; + drm_local_map_t *mmio_map; + + drm_i915_sarea_t *sarea_priv; + drm_i915_ring_buffer_t ring; + + void *hw_status_page; + unsigned long counter; + dma_addr_t dma_status_page; + + int back_offset; + int front_offset; + int current_page; + int page_flipping; + int use_mi_batchbuffer_start; + + wait_queue_head_t irq_queue; + atomic_t irq_received; + atomic_t irq_emitted; + + int tex_lru_log_granularity; + int allow_batchbuffer; + struct mem_block *agp_heap; +} drm_i915_private_t; + + /* i915_dma.c */ +extern int i915_dma_init(DRM_IOCTL_ARGS); +extern int i915_dma_cleanup(drm_device_t * dev); +extern int i915_flush_ioctl(DRM_IOCTL_ARGS); +extern int i915_batchbuffer(DRM_IOCTL_ARGS); +extern int i915_flip_bufs(DRM_IOCTL_ARGS); +extern int i915_getparam(DRM_IOCTL_ARGS); +extern int i915_setparam(DRM_IOCTL_ARGS); +extern int i915_cmdbuffer(DRM_IOCTL_ARGS); +extern void i915_kernel_lost_context(drm_device_t * dev); +extern void i915_driver_pretakedown(drm_device_t *dev); +extern void i915_driver_prerelease(drm_device_t *dev, DRMFILE filp); + +/* i915_irq.c */ +extern int i915_irq_emit(DRM_IOCTL_ARGS); +extern int i915_irq_wait(DRM_IOCTL_ARGS); +extern int i915_wait_irq(drm_device_t * dev, int irq_nr); +extern int i915_emit_irq(drm_device_t * dev); + +extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS); +extern void i915_driver_irq_preinstall(drm_device_t *dev); +extern void i915_driver_irq_postinstall(drm_device_t *dev); +extern void i915_driver_irq_uninstall(drm_device_t *dev); + +/* i915_mem.c */ +extern int i915_mem_alloc(DRM_IOCTL_ARGS); +extern int i915_mem_free(DRM_IOCTL_ARGS); +extern int i915_mem_init_heap(DRM_IOCTL_ARGS); +extern void i915_mem_takedown(struct mem_block **heap); +extern void i915_mem_release(drm_device_t * dev, + DRMFILE filp, struct mem_block *heap); + +#define I915_READ(reg) DRM_READ32(dev_priv->mmio_map, reg) +#define I915_WRITE(reg,val) DRM_WRITE32(dev_priv->mmio_map, reg, val) +#define I915_READ16(reg) DRM_READ16(dev_priv->mmio_map, reg) +#define I915_WRITE16(reg,val) DRM_WRITE16(dev_priv->mmio_map, reg, val) + +#define I915_VERBOSE 0 + +#define RING_LOCALS unsigned int outring, ringmask, outcount; \ + volatile char *virt; + +#define BEGIN_LP_RING(n) do { \ + if (I915_VERBOSE) \ + DRM_DEBUG("BEGIN_LP_RING(%d) in %s\n", \ + n, __FUNCTION__); \ + if (dev_priv->ring.space < n*4) \ + i915_wait_ring(dev, n*4, __FUNCTION__); \ + outcount = 0; \ + outring = dev_priv->ring.tail; \ + ringmask = dev_priv->ring.tail_mask; \ + virt = dev_priv->ring.virtual_start; \ +} while (0) + +#define OUT_RING(n) do { \ + if (I915_VERBOSE) DRM_DEBUG(" OUT_RING %x\n", (int)(n)); \ + *(volatile unsigned int *)(virt + outring) = n; \ + outcount++; \ + outring += 4; \ + outring &= ringmask; \ +} while (0) + +#define ADVANCE_LP_RING() do { \ + if (I915_VERBOSE) DRM_DEBUG("ADVANCE_LP_RING %x\n", outring); \ + dev_priv->ring.tail = outring; \ + dev_priv->ring.space -= outcount * 4; \ + I915_WRITE(LP_RING + RING_TAIL, outring); \ +} while(0) + +extern int i915_wait_ring(drm_device_t * dev, int n, const char *caller); + +#define GFX_OP_USER_INTERRUPT ((0<<29)|(2<<23)) +#define GFX_OP_BREAKPOINT_INTERRUPT ((0<<29)|(1<<23)) +#define CMD_REPORT_HEAD (7<<23) +#define CMD_STORE_DWORD_IDX ((0x21<<23) | 0x1) +#define CMD_OP_BATCH_BUFFER ((0x0<<29)|(0x30<<23)|0x1) + +#define INST_PARSER_CLIENT 0x00000000 +#define INST_OP_FLUSH 0x02000000 +#define INST_FLUSH_MAP_CACHE 0x00000001 + +#define BB1_START_ADDR_MASK (~0x7) +#define BB1_PROTECTED (1<<0) +#define BB1_UNPROTECTED (0<<0) +#define BB2_END_ADDR_MASK (~0x7) + +#define I915REG_HWSTAM 0x02098 +#define I915REG_INT_IDENTITY_R 0x020a4 +#define I915REG_INT_MASK_R 0x020a8 +#define I915REG_INT_ENABLE_R 0x020a0 + +#define SRX_INDEX 0x3c4 +#define SRX_DATA 0x3c5 +#define SR01 1 +#define SR01_SCREEN_OFF (1<<5) + +#define PPCR 0x61204 +#define PPCR_ON (1<<0) + +#define ADPA 0x61100 +#define ADPA_DPMS_MASK (~(3<<10)) +#define ADPA_DPMS_ON (0<<10) +#define ADPA_DPMS_SUSPEND (1<<10) +#define ADPA_DPMS_STANDBY (2<<10) +#define ADPA_DPMS_OFF (3<<10) + +#define NOPID 0x2094 +#define LP_RING 0x2030 +#define HP_RING 0x2040 +#define RING_TAIL 0x00 +#define TAIL_ADDR 0x001FFFF8 +#define RING_HEAD 0x04 +#define HEAD_WRAP_COUNT 0xFFE00000 +#define HEAD_WRAP_ONE 0x00200000 +#define HEAD_ADDR 0x001FFFFC +#define RING_START 0x08 +#define START_ADDR 0x0xFFFFF000 +#define RING_LEN 0x0C +#define RING_NR_PAGES 0x001FF000 +#define RING_REPORT_MASK 0x00000006 +#define RING_REPORT_64K 0x00000002 +#define RING_REPORT_128K 0x00000004 +#define RING_NO_REPORT 0x00000000 +#define RING_VALID_MASK 0x00000001 +#define RING_VALID 0x00000001 +#define RING_INVALID 0x00000000 + +#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define SC_UPDATE_SCISSOR (0x1<<1) +#define SC_ENABLE_MASK (0x1<<0) +#define SC_ENABLE (0x1<<0) + +#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) +#define SCI_YMIN_MASK (0xffff<<16) +#define SCI_XMIN_MASK (0xffff<<0) +#define SCI_YMAX_MASK (0xffff<<16) +#define SCI_XMAX_MASK (0xffff<<0) + +#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) +#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) +#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) +#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) +#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) +#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) + +#define MI_BATCH_BUFFER ((0x30<<23)|1) +#define MI_BATCH_BUFFER_START (0x31<<23) +#define MI_BATCH_BUFFER_END (0xA<<23) +#define MI_BATCH_NON_SECURE (1) + +#define MI_WAIT_FOR_EVENT ((0x3<<23)) +#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) +#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) + +#define MI_LOAD_SCAN_LINES_INCL ((0x12<<23)) + +#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) +#define ASYNC_FLIP (1<<22) + +#define CMD_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) + +#endif diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c new file mode 100644 index 0000000..b023926 --- /dev/null +++ b/drivers/char/drm/i915_irq.c @@ -0,0 +1,161 @@ +/* i915_dma.c -- DMA support for the I915 -*- linux-c -*- + */ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#include "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +#define USER_INT_FLAG 0x2 +#define MAX_NOPID ((u32)~0) +#define READ_BREADCRUMB(dev_priv) (((u32*)(dev_priv->hw_status_page))[5]) + +irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) +{ + drm_device_t *dev = (drm_device_t *) arg; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + u16 temp; + + temp = I915_READ16(I915REG_INT_IDENTITY_R); + temp &= USER_INT_FLAG; + + DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp); + + if (temp == 0) + return IRQ_NONE; + + I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + DRM_WAKEUP(&dev_priv->irq_queue); + + return IRQ_HANDLED; +} + +int i915_emit_irq(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + u32 ret; + RING_LOCALS; + + i915_kernel_lost_context(dev); + + DRM_DEBUG("%s\n", __FUNCTION__); + + ret = dev_priv->counter; + + BEGIN_LP_RING(2); + OUT_RING(0); + OUT_RING(GFX_OP_USER_INTERRUPT); + ADVANCE_LP_RING(); + + return ret; +} + +int i915_wait_irq(drm_device_t * dev, int irq_nr) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + int ret = 0; + + DRM_DEBUG("%s irq_nr=%d breadcrumb=%d\n", __FUNCTION__, irq_nr, + READ_BREADCRUMB(dev_priv)); + + if (READ_BREADCRUMB(dev_priv) >= irq_nr) + return 0; + + dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT; + + DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ, + READ_BREADCRUMB(dev_priv) >= irq_nr); + + if (ret == DRM_ERR(EBUSY)) { + DRM_ERROR("%s: EBUSY -- rec: %d emitted: %d\n", + __FUNCTION__, + READ_BREADCRUMB(dev_priv), (int)dev_priv->counter); + } + + dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + return ret; +} + +/* Needs the lock as it touches the ring. + */ +int i915_irq_emit(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_irq_emit_t emit; + int result; + + LOCK_TEST_WITH_RETURN(dev, filp); + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(emit, (drm_i915_irq_emit_t __user *) data, + sizeof(emit)); + + result = i915_emit_irq(dev); + + if (DRM_COPY_TO_USER(emit.irq_seq, &result, sizeof(int))) { + DRM_ERROR("copy_to_user\n"); + return DRM_ERR(EFAULT); + } + + return 0; +} + +/* Doesn't need the hardware lock. + */ +int i915_irq_wait(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_irq_wait_t irqwait; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(irqwait, (drm_i915_irq_wait_t __user *) data, + sizeof(irqwait)); + + return i915_wait_irq(dev, irqwait.irq_seq); +} + +/* drm_dma.h hooks +*/ +void i915_driver_irq_preinstall(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + + I915_WRITE16(I915REG_HWSTAM, 0xfffe); + I915_WRITE16(I915REG_INT_MASK_R, 0x0); + I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); +} + +void i915_driver_irq_postinstall(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + + I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG); + DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); +} + +void i915_driver_irq_uninstall(drm_device_t * dev) +{ + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; + if (!dev_priv) + return; + + I915_WRITE16(I915REG_HWSTAM, 0xffff); + I915_WRITE16(I915REG_INT_MASK_R, 0xffff); + I915_WRITE16(I915REG_INT_ENABLE_R, 0x0); +} diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c new file mode 100644 index 0000000..d54a300 --- /dev/null +++ b/drivers/char/drm/i915_mem.c @@ -0,0 +1,346 @@ +/* i915_mem.c -- Simple agp/fb memory manager for i915 -*- linux-c -*- + */ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#include "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +/* This memory manager is integrated into the global/local lru + * mechanisms used by the clients. Specifically, it operates by + * setting the 'in_use' fields of the global LRU to indicate whether + * this region is privately allocated to a client. + * + * This does require the client to actually respect that field. + * + * Currently no effort is made to allocate 'private' memory in any + * clever way - the LRU information isn't used to determine which + * block to allocate, and the ring is drained prior to allocations -- + * in other words allocation is expensive. + */ +static void mark_block(drm_device_t * dev, struct mem_block *p, int in_use) +{ + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_tex_region_t *list; + unsigned shift, nr; + unsigned start; + unsigned end; + unsigned i; + int age; + + shift = dev_priv->tex_lru_log_granularity; + nr = I915_NR_TEX_REGIONS; + + start = p->start >> shift; + end = (p->start + p->size - 1) >> shift; + + age = ++sarea_priv->texAge; + list = sarea_priv->texList; + + /* Mark the regions with the new flag and update their age. Move + * them to head of list to preserve LRU semantics. + */ + for (i = start; i <= end; i++) { + list[i].in_use = in_use; + list[i].age = age; + + /* remove_from_list(i) + */ + list[(unsigned)list[i].next].prev = list[i].prev; + list[(unsigned)list[i].prev].next = list[i].next; + + /* insert_at_head(list, i) + */ + list[i].prev = nr; + list[i].next = list[nr].next; + list[(unsigned)list[nr].next].prev = i; + list[nr].next = i; + } +} + +/* Very simple allocator for agp memory, working on a static range + * already mapped into each client's address space. + */ + +static struct mem_block *split_block(struct mem_block *p, int start, int size, + DRMFILE filp) +{ + /* Maybe cut off the start of an existing block */ + if (start > p->start) { + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS); + if (!newblock) + goto out; + newblock->start = start; + newblock->size = p->size - (start - p->start); + newblock->filp = NULL; + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + p->size -= newblock->size; + p = newblock; + } + + /* Maybe cut off the end of an existing block */ + if (size < p->size) { + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFLISTS); + if (!newblock) + goto out; + newblock->start = start + size; + newblock->size = p->size - size; + newblock->filp = NULL; + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + p->size = size; + } + + out: + /* Our block is in the middle */ + p->filp = filp; + return p; +} + +static struct mem_block *alloc_block(struct mem_block *heap, int size, + int align2, DRMFILE filp) +{ + struct mem_block *p; + int mask = (1 << align2) - 1; + + for (p = heap->next; p != heap; p = p->next) { + int start = (p->start + mask) & ~mask; + if (p->filp == NULL && start + size <= p->start + p->size) + return split_block(p, start, size, filp); + } + + return NULL; +} + +static struct mem_block *find_block(struct mem_block *heap, int start) +{ + struct mem_block *p; + + for (p = heap->next; p != heap; p = p->next) + if (p->start == start) + return p; + + return NULL; +} + +static void free_block(struct mem_block *p) +{ + p->filp = NULL; + + /* Assumes a single contiguous range. Needs a special filp in + * 'heap' to stop it being subsumed. + */ + if (p->next->filp == NULL) { + struct mem_block *q = p->next; + p->size += q->size; + p->next = q->next; + p->next->prev = p; + drm_free(q, sizeof(*q), DRM_MEM_BUFLISTS); + } + + if (p->prev->filp == NULL) { + struct mem_block *q = p->prev; + q->size += p->size; + q->next = p->next; + q->next->prev = q; + drm_free(p, sizeof(*q), DRM_MEM_BUFLISTS); + } +} + +/* Initialize. How to check for an uninitialized heap? + */ +static int init_heap(struct mem_block **heap, int start, int size) +{ + struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFLISTS); + + if (!blocks) + return -ENOMEM; + + *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFLISTS); + if (!*heap) { + drm_free(blocks, sizeof(*blocks), DRM_MEM_BUFLISTS); + return -ENOMEM; + } + + blocks->start = start; + blocks->size = size; + blocks->filp = NULL; + blocks->next = blocks->prev = *heap; + + memset(*heap, 0, sizeof(**heap)); + (*heap)->filp = (DRMFILE) - 1; + (*heap)->next = (*heap)->prev = blocks; + return 0; +} + +/* Free all blocks associated with the releasing file. + */ +void i915_mem_release(drm_device_t * dev, DRMFILE filp, struct mem_block *heap) +{ + struct mem_block *p; + + if (!heap || !heap->next) + return; + + for (p = heap->next; p != heap; p = p->next) { + if (p->filp == filp) { + p->filp = NULL; + mark_block(dev, p, 0); + } + } + + /* Assumes a single contiguous range. Needs a special filp in + * 'heap' to stop it being subsumed. + */ + for (p = heap->next; p != heap; p = p->next) { + while (p->filp == NULL && p->next->filp == NULL) { + struct mem_block *q = p->next; + p->size += q->size; + p->next = q->next; + p->next->prev = p; + drm_free(q, sizeof(*q), DRM_MEM_BUFLISTS); + } + } +} + +/* Shutdown. + */ +void i915_mem_takedown(struct mem_block **heap) +{ + struct mem_block *p; + + if (!*heap) + return; + + for (p = (*heap)->next; p != *heap;) { + struct mem_block *q = p; + p = p->next; + drm_free(q, sizeof(*q), DRM_MEM_BUFLISTS); + } + + drm_free(*heap, sizeof(**heap), DRM_MEM_BUFLISTS); + *heap = NULL; +} + +static struct mem_block **get_heap(drm_i915_private_t * dev_priv, int region) +{ + switch (region) { + case I915_MEM_REGION_AGP: + return &dev_priv->agp_heap; + default: + return NULL; + } +} + +/* IOCTL HANDLERS */ + +int i915_mem_alloc(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_mem_alloc_t alloc; + struct mem_block *block, **heap; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(alloc, (drm_i915_mem_alloc_t __user *) data, + sizeof(alloc)); + + heap = get_heap(dev_priv, alloc.region); + if (!heap || !*heap) + return DRM_ERR(EFAULT); + + /* Make things easier on ourselves: all allocations at least + * 4k aligned. + */ + if (alloc.alignment < 12) + alloc.alignment = 12; + + block = alloc_block(*heap, alloc.size, alloc.alignment, filp); + + if (!block) + return DRM_ERR(ENOMEM); + + mark_block(dev, block, 1); + + if (DRM_COPY_TO_USER(alloc.region_offset, &block->start, sizeof(int))) { + DRM_ERROR("copy_to_user\n"); + return DRM_ERR(EFAULT); + } + + return 0; +} + +int i915_mem_free(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_mem_free_t memfree; + struct mem_block *block, **heap; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(memfree, (drm_i915_mem_free_t __user *) data, + sizeof(memfree)); + + heap = get_heap(dev_priv, memfree.region); + if (!heap || !*heap) + return DRM_ERR(EFAULT); + + block = find_block(*heap, memfree.region_offset); + if (!block) + return DRM_ERR(EFAULT); + + if (block->filp != filp) + return DRM_ERR(EPERM); + + mark_block(dev, block, 0); + free_block(block); + return 0; +} + +int i915_mem_init_heap(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_mem_init_heap_t initheap; + struct mem_block **heap; + + if (!dev_priv) { + DRM_ERROR("%s called with no initialization\n", __FUNCTION__); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(initheap, + (drm_i915_mem_init_heap_t __user *) data, + sizeof(initheap)); + + heap = get_heap(dev_priv, initheap.region); + if (!heap) + return DRM_ERR(EFAULT); + + if (*heap) { + DRM_ERROR("heap already initialized?"); + return DRM_ERR(EFAULT); + } + + return init_heap(heap, initheap.start, initheap.size); +} diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c new file mode 100644 index 0000000..832eaf8 --- /dev/null +++ b/drivers/char/drm/mga_dma.c @@ -0,0 +1,754 @@ +/* mga_dma.c -- DMA support for mga g200/g400 -*- linux-c -*- + * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "mga_drm.h" +#include "mga_drv.h" + +#define MGA_DEFAULT_USEC_TIMEOUT 10000 +#define MGA_FREELIST_DEBUG 0 + +static int mga_do_cleanup_dma( drm_device_t *dev ); + +/* ================================================================ + * Engine control + */ + +int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ) +{ + u32 status = 0; + int i; + DRM_DEBUG( "\n" ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK; + if ( status == MGA_ENDPRDMASTS ) { + MGA_WRITE8( MGA_CRTC_INDEX, 0 ); + return 0; + } + DRM_UDELAY( 1 ); + } + +#if MGA_DMA_DEBUG + DRM_ERROR( "failed!\n" ); + DRM_INFO( " status=0x%08x\n", status ); +#endif + return DRM_ERR(EBUSY); +} + +static int mga_do_dma_reset( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + + DRM_DEBUG( "\n" ); + + /* The primary DMA stream should look like new right about now. + */ + primary->tail = 0; + primary->space = primary->size; + primary->last_flush = 0; + + sarea_priv->last_wrap = 0; + + /* FIXME: Reset counters, buffer ages etc... + */ + + /* FIXME: What else do we need to reinitialize? WARP stuff? + */ + + return 0; +} + +/* ================================================================ + * Primary DMA stream + */ + +void mga_do_dma_flush( drm_mga_private_t *dev_priv ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + u32 head, tail; + u32 status = 0; + int i; + DMA_LOCALS; + DRM_DEBUG( "\n" ); + + /* We need to wait so that we can do an safe flush */ + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK; + if ( status == MGA_ENDPRDMASTS ) break; + DRM_UDELAY( 1 ); + } + + if ( primary->tail == primary->last_flush ) { + DRM_DEBUG( " bailing out...\n" ); + return; + } + + tail = primary->tail + dev_priv->primary->offset; + + /* We need to pad the stream between flushes, as the card + * actually (partially?) reads the first of these commands. + * See page 4-16 in the G400 manual, middle of the page or so. + */ + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + ADVANCE_DMA(); + + primary->last_flush = primary->tail; + + head = MGA_READ( MGA_PRIMADDRESS ); + + if ( head <= tail ) { + primary->space = primary->size - primary->tail; + } else { + primary->space = head - tail; + } + + DRM_DEBUG( " head = 0x%06lx\n", head - dev_priv->primary->offset ); + DRM_DEBUG( " tail = 0x%06lx\n", tail - dev_priv->primary->offset ); + DRM_DEBUG( " space = 0x%06x\n", primary->space ); + + mga_flush_write_combine(); + MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); + + DRM_DEBUG( "done.\n" ); +} + +void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + u32 head, tail; + DMA_LOCALS; + DRM_DEBUG( "\n" ); + + BEGIN_DMA_WRAP(); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + ADVANCE_DMA(); + + tail = primary->tail + dev_priv->primary->offset; + + primary->tail = 0; + primary->last_flush = 0; + primary->last_wrap++; + + head = MGA_READ( MGA_PRIMADDRESS ); + + if ( head == dev_priv->primary->offset ) { + primary->space = primary->size; + } else { + primary->space = head - dev_priv->primary->offset; + } + + DRM_DEBUG( " head = 0x%06lx\n", + head - dev_priv->primary->offset ); + DRM_DEBUG( " tail = 0x%06x\n", primary->tail ); + DRM_DEBUG( " wrap = %d\n", primary->last_wrap ); + DRM_DEBUG( " space = 0x%06x\n", primary->space ); + + mga_flush_write_combine(); + MGA_WRITE( MGA_PRIMEND, tail | MGA_PAGPXFER ); + + set_bit( 0, &primary->wrapped ); + DRM_DEBUG( "done.\n" ); +} + +void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv ) +{ + drm_mga_primary_buffer_t *primary = &dev_priv->prim; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + u32 head = dev_priv->primary->offset; + DRM_DEBUG( "\n" ); + + sarea_priv->last_wrap++; + DRM_DEBUG( " wrap = %d\n", sarea_priv->last_wrap ); + + mga_flush_write_combine(); + MGA_WRITE( MGA_PRIMADDRESS, head | MGA_DMA_GENERAL ); + + clear_bit( 0, &primary->wrapped ); + DRM_DEBUG( "done.\n" ); +} + + +/* ================================================================ + * Freelist management + */ + +#define MGA_BUFFER_USED ~0 +#define MGA_BUFFER_FREE 0 + +#if MGA_FREELIST_DEBUG +static void mga_freelist_print( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *entry; + + DRM_INFO( "\n" ); + DRM_INFO( "current dispatch: last=0x%x done=0x%x\n", + dev_priv->sarea_priv->last_dispatch, + (unsigned int)(MGA_READ( MGA_PRIMADDRESS ) - + dev_priv->primary->offset) ); + DRM_INFO( "current freelist:\n" ); + + for ( entry = dev_priv->head->next ; entry ; entry = entry->next ) { + DRM_INFO( " %p idx=%2d age=0x%x 0x%06lx\n", + entry, entry->buf->idx, entry->age.head, + entry->age.head - dev_priv->primary->offset ); + } + DRM_INFO( "\n" ); +} +#endif + +static int mga_freelist_init( drm_device_t *dev, drm_mga_private_t *dev_priv ) +{ + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_freelist_t *entry; + int i; + DRM_DEBUG( "count=%d\n", dma->buf_count ); + + dev_priv->head = drm_alloc( sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER ); + if ( dev_priv->head == NULL ) + return DRM_ERR(ENOMEM); + + memset( dev_priv->head, 0, sizeof(drm_mga_freelist_t) ); + SET_AGE( &dev_priv->head->age, MGA_BUFFER_USED, 0 ); + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + + entry = drm_alloc( sizeof(drm_mga_freelist_t), + DRM_MEM_DRIVER ); + if ( entry == NULL ) + return DRM_ERR(ENOMEM); + + memset( entry, 0, sizeof(drm_mga_freelist_t) ); + + entry->next = dev_priv->head->next; + entry->prev = dev_priv->head; + SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 ); + entry->buf = buf; + + if ( dev_priv->head->next != NULL ) + dev_priv->head->next->prev = entry; + if ( entry->next == NULL ) + dev_priv->tail = entry; + + buf_priv->list_entry = entry; + buf_priv->discard = 0; + buf_priv->dispatched = 0; + + dev_priv->head->next = entry; + } + + return 0; +} + +static void mga_freelist_cleanup( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *entry; + drm_mga_freelist_t *next; + DRM_DEBUG( "\n" ); + + entry = dev_priv->head; + while ( entry ) { + next = entry->next; + drm_free( entry, sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER ); + entry = next; + } + + dev_priv->head = dev_priv->tail = NULL; +} + +#if 0 +/* FIXME: Still needed? + */ +static void mga_freelist_reset( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + int i; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + SET_AGE( &buf_priv->list_entry->age, + MGA_BUFFER_FREE, 0 ); + } +} +#endif + +static drm_buf_t *mga_freelist_get( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_freelist_t *next; + drm_mga_freelist_t *prev; + drm_mga_freelist_t *tail = dev_priv->tail; + u32 head, wrap; + DRM_DEBUG( "\n" ); + + head = MGA_READ( MGA_PRIMADDRESS ); + wrap = dev_priv->sarea_priv->last_wrap; + + DRM_DEBUG( " tail=0x%06lx %d\n", + tail->age.head ? + tail->age.head - dev_priv->primary->offset : 0, + tail->age.wrap ); + DRM_DEBUG( " head=0x%06lx %d\n", + head - dev_priv->primary->offset, wrap ); + + if ( TEST_AGE( &tail->age, head, wrap ) ) { + prev = dev_priv->tail->prev; + next = dev_priv->tail; + prev->next = NULL; + next->prev = next->next = NULL; + dev_priv->tail = prev; + SET_AGE( &next->age, MGA_BUFFER_USED, 0 ); + return next->buf; + } + + DRM_DEBUG( "returning NULL!\n" ); + return NULL; +} + +int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_freelist_t *head, *entry, *prev; + + DRM_DEBUG( "age=0x%06lx wrap=%d\n", + buf_priv->list_entry->age.head - + dev_priv->primary->offset, + buf_priv->list_entry->age.wrap ); + + entry = buf_priv->list_entry; + head = dev_priv->head; + + if ( buf_priv->list_entry->age.head == MGA_BUFFER_USED ) { + SET_AGE( &entry->age, MGA_BUFFER_FREE, 0 ); + prev = dev_priv->tail; + prev->next = entry; + entry->prev = prev; + entry->next = NULL; + } else { + prev = head->next; + head->next = entry; + prev->prev = entry; + entry->prev = head; + entry->next = prev; + } + + return 0; +} + + +/* ================================================================ + * DMA initialization, cleanup + */ + +static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init ) +{ + drm_mga_private_t *dev_priv; + int ret; + DRM_DEBUG( "\n" ); + + dev_priv = drm_alloc( sizeof(drm_mga_private_t), DRM_MEM_DRIVER ); + if ( !dev_priv ) + return DRM_ERR(ENOMEM); + + memset( dev_priv, 0, sizeof(drm_mga_private_t) ); + + dev_priv->chipset = init->chipset; + + dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT; + + if ( init->sgram ) { + dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK; + } else { + dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR; + } + dev_priv->maccess = init->maccess; + + dev_priv->fb_cpp = init->fb_cpp; + dev_priv->front_offset = init->front_offset; + dev_priv->front_pitch = init->front_pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->back_pitch = init->back_pitch; + + dev_priv->depth_cpp = init->depth_cpp; + dev_priv->depth_offset = init->depth_offset; + dev_priv->depth_pitch = init->depth_pitch; + + /* FIXME: Need to support AGP textures... + */ + dev_priv->texture_offset = init->texture_offset[0]; + dev_priv->texture_size = init->texture_size[0]; + + DRM_GETSAREA(); + + if(!dev_priv->sarea) { + DRM_ERROR( "failed to find sarea!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(EINVAL); + } + + dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); + if(!dev_priv->mmio) { + DRM_ERROR( "failed to find mmio region!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(EINVAL); + } + dev_priv->status = drm_core_findmap(dev, init->status_offset); + if(!dev_priv->status) { + DRM_ERROR( "failed to find status page!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(EINVAL); + } + dev_priv->warp = drm_core_findmap(dev, init->warp_offset); + if(!dev_priv->warp) { + DRM_ERROR( "failed to find warp microcode region!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(EINVAL); + } + dev_priv->primary = drm_core_findmap(dev, init->primary_offset); + if(!dev_priv->primary) { + DRM_ERROR( "failed to find primary dma region!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(EINVAL); + } + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + if(!dev->agp_buffer_map) { + DRM_ERROR( "failed to find dma buffer region!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(EINVAL); + } + + dev_priv->sarea_priv = + (drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle + + init->sarea_priv_offset); + + drm_core_ioremap( dev_priv->warp, dev ); + drm_core_ioremap( dev_priv->primary, dev ); + drm_core_ioremap( dev->agp_buffer_map, dev ); + + if(!dev_priv->warp->handle || + !dev_priv->primary->handle || + !dev->agp_buffer_map->handle ) { + DRM_ERROR( "failed to ioremap agp regions!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(ENOMEM); + } + + ret = mga_warp_install_microcode( dev_priv ); + if ( ret < 0 ) { + DRM_ERROR( "failed to install WARP ucode!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return ret; + } + + ret = mga_warp_init( dev_priv ); + if ( ret < 0 ) { + DRM_ERROR( "failed to init WARP engine!\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return ret; + } + + dev_priv->prim.status = (u32 *)dev_priv->status->handle; + + mga_do_wait_for_idle( dev_priv ); + + /* Init the primary DMA registers. + */ + MGA_WRITE( MGA_PRIMADDRESS, + dev_priv->primary->offset | MGA_DMA_GENERAL ); +#if 0 + MGA_WRITE( MGA_PRIMPTR, + virt_to_bus((void *)dev_priv->prim.status) | + MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */ + MGA_PRIMPTREN1 ); /* DWGSYNC */ +#endif + + dev_priv->prim.start = (u8 *)dev_priv->primary->handle; + dev_priv->prim.end = ((u8 *)dev_priv->primary->handle + + dev_priv->primary->size); + dev_priv->prim.size = dev_priv->primary->size; + + dev_priv->prim.tail = 0; + dev_priv->prim.space = dev_priv->prim.size; + dev_priv->prim.wrapped = 0; + + dev_priv->prim.last_flush = 0; + dev_priv->prim.last_wrap = 0; + + dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE; + + dev_priv->prim.status[0] = dev_priv->primary->offset; + dev_priv->prim.status[1] = 0; + + dev_priv->sarea_priv->last_wrap = 0; + dev_priv->sarea_priv->last_frame.head = 0; + dev_priv->sarea_priv->last_frame.wrap = 0; + + if ( mga_freelist_init( dev, dev_priv ) < 0 ) { + DRM_ERROR( "could not initialize freelist\n" ); + /* Assign dev_private so we can do cleanup. */ + dev->dev_private = (void *)dev_priv; + mga_do_cleanup_dma( dev ); + return DRM_ERR(ENOMEM); + } + + /* Make dev_private visable to others. */ + dev->dev_private = (void *)dev_priv; + return 0; +} + +static int mga_do_cleanup_dma( drm_device_t *dev ) +{ + DRM_DEBUG( "\n" ); + + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if ( dev->irq_enabled ) drm_irq_uninstall(dev); + + if ( dev->dev_private ) { + drm_mga_private_t *dev_priv = dev->dev_private; + + if ( dev_priv->warp != NULL ) + drm_core_ioremapfree( dev_priv->warp, dev ); + if ( dev_priv->primary != NULL ) + drm_core_ioremapfree( dev_priv->primary, dev ); + if ( dev->agp_buffer_map != NULL ) + drm_core_ioremapfree( dev->agp_buffer_map, dev ); + + if ( dev_priv->head != NULL ) { + mga_freelist_cleanup( dev ); + } + + drm_free( dev->dev_private, sizeof(drm_mga_private_t), + DRM_MEM_DRIVER ); + dev->dev_private = NULL; + } + + return 0; +} + +int mga_dma_init( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_init_t init; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( init, (drm_mga_init_t __user *)data, sizeof(init) ); + + switch ( init.func ) { + case MGA_INIT_DMA: + return mga_do_init_dma( dev, &init ); + case MGA_CLEANUP_DMA: + return mga_do_cleanup_dma( dev ); + } + + return DRM_ERR(EINVAL); +} + + +/* ================================================================ + * Primary DMA stream management + */ + +int mga_dma_flush( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_lock_t lock; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t __user *)data, sizeof(lock) ); + + DRM_DEBUG( "%s%s%s\n", + (lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "", + (lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "", + (lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" ); + + WRAP_WAIT_WITH_RETURN( dev_priv ); + + if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) { + mga_do_dma_flush( dev_priv ); + } + + if ( lock.flags & _DRM_LOCK_QUIESCENT ) { +#if MGA_DMA_DEBUG + int ret = mga_do_wait_for_idle( dev_priv ); + if ( ret < 0 ) + DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ ); + return ret; +#else + return mga_do_wait_for_idle( dev_priv ); +#endif + } else { + return 0; + } +} + +int mga_dma_reset( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + return mga_do_dma_reset( dev_priv ); +} + + +/* ================================================================ + * DMA buffer management + */ + +static int mga_dma_get_buffers( DRMFILE filp, + drm_device_t *dev, drm_dma_t *d ) +{ + drm_buf_t *buf; + int i; + + for ( i = d->granted_count ; i < d->request_count ; i++ ) { + buf = mga_freelist_get( dev ); + if ( !buf ) return DRM_ERR(EAGAIN); + + buf->filp = filp; + + if ( DRM_COPY_TO_USER( &d->request_indices[i], + &buf->idx, sizeof(buf->idx) ) ) + return DRM_ERR(EFAULT); + if ( DRM_COPY_TO_USER( &d->request_sizes[i], + &buf->total, sizeof(buf->total) ) ) + return DRM_ERR(EFAULT); + + d->granted_count++; + } + return 0; +} + +int mga_dma_buffers( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_device_dma_t *dma = dev->dma; + drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private; + drm_dma_t __user *argp = (void __user *)data; + drm_dma_t d; + int ret = 0; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( d, argp, sizeof(d) ); + + /* Please don't send us buffers. + */ + if ( d.send_count != 0 ) { + DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", + DRM_CURRENTPID, d.send_count ); + return DRM_ERR(EINVAL); + } + + /* We'll send you buffers. + */ + if ( d.request_count < 0 || d.request_count > dma->buf_count ) { + DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", + DRM_CURRENTPID, d.request_count, dma->buf_count ); + return DRM_ERR(EINVAL); + } + + WRAP_TEST_WITH_RETURN( dev_priv ); + + d.granted_count = 0; + + if ( d.request_count ) { + ret = mga_dma_get_buffers( filp, dev, &d ); + } + + DRM_COPY_TO_USER_IOCTL( argp, d, sizeof(d) ); + + return ret; +} + +void mga_driver_pretakedown(drm_device_t *dev) +{ + mga_do_cleanup_dma( dev ); +} + +int mga_driver_dma_quiescent(drm_device_t *dev) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + return mga_do_wait_for_idle( dev_priv ); +} diff --git a/drivers/char/drm/mga_drm.h b/drivers/char/drm/mga_drm.h new file mode 100644 index 0000000..521d445 --- /dev/null +++ b/drivers/char/drm/mga_drm.h @@ -0,0 +1,349 @@ +/* mga_drm.h -- Public header for the Matrox g200/g400 driver -*- linux-c -*- + * Created: Tue Jan 25 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __MGA_DRM_H__ +#define __MGA_DRM_H__ + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (mga_sarea.h) + */ + +#ifndef __MGA_SAREA_DEFINES__ +#define __MGA_SAREA_DEFINES__ + +/* WARP pipe flags + */ +#define MGA_F 0x1 /* fog */ +#define MGA_A 0x2 /* alpha */ +#define MGA_S 0x4 /* specular */ +#define MGA_T2 0x8 /* multitexture */ + +#define MGA_WARP_TGZ 0 +#define MGA_WARP_TGZF (MGA_F) +#define MGA_WARP_TGZA (MGA_A) +#define MGA_WARP_TGZAF (MGA_F|MGA_A) +#define MGA_WARP_TGZS (MGA_S) +#define MGA_WARP_TGZSF (MGA_S|MGA_F) +#define MGA_WARP_TGZSA (MGA_S|MGA_A) +#define MGA_WARP_TGZSAF (MGA_S|MGA_F|MGA_A) +#define MGA_WARP_T2GZ (MGA_T2) +#define MGA_WARP_T2GZF (MGA_T2|MGA_F) +#define MGA_WARP_T2GZA (MGA_T2|MGA_A) +#define MGA_WARP_T2GZAF (MGA_T2|MGA_A|MGA_F) +#define MGA_WARP_T2GZS (MGA_T2|MGA_S) +#define MGA_WARP_T2GZSF (MGA_T2|MGA_S|MGA_F) +#define MGA_WARP_T2GZSA (MGA_T2|MGA_S|MGA_A) +#define MGA_WARP_T2GZSAF (MGA_T2|MGA_S|MGA_F|MGA_A) + +#define MGA_MAX_G200_PIPES 8 /* no multitex */ +#define MGA_MAX_G400_PIPES 16 +#define MGA_MAX_WARP_PIPES MGA_MAX_G400_PIPES +#define MGA_WARP_UCODE_SIZE 32768 /* in bytes */ + +#define MGA_CARD_TYPE_G200 1 +#define MGA_CARD_TYPE_G400 2 + + +#define MGA_FRONT 0x1 +#define MGA_BACK 0x2 +#define MGA_DEPTH 0x4 + +/* What needs to be changed for the current vertex dma buffer? + */ +#define MGA_UPLOAD_CONTEXT 0x1 +#define MGA_UPLOAD_TEX0 0x2 +#define MGA_UPLOAD_TEX1 0x4 +#define MGA_UPLOAD_PIPE 0x8 +#define MGA_UPLOAD_TEX0IMAGE 0x10 /* handled client-side */ +#define MGA_UPLOAD_TEX1IMAGE 0x20 /* handled client-side */ +#define MGA_UPLOAD_2D 0x40 +#define MGA_WAIT_AGE 0x80 /* handled client-side */ +#define MGA_UPLOAD_CLIPRECTS 0x100 /* handled client-side */ +#if 0 +#define MGA_DMA_FLUSH 0x200 /* set when someone gets the lock + quiescent */ +#endif + +/* 32 buffers of 64k each, total 2 meg. + */ +#define MGA_BUFFER_SIZE (1 << 16) +#define MGA_NUM_BUFFERS 128 + +/* Keep these small for testing. + */ +#define MGA_NR_SAREA_CLIPRECTS 8 + +/* 2 heaps (1 for card, 1 for agp), each divided into upto 128 + * regions, subject to a minimum region size of (1<<16) == 64k. + * + * Clients may subdivide regions internally, but when sharing between + * clients, the region size is the minimum granularity. + */ + +#define MGA_CARD_HEAP 0 +#define MGA_AGP_HEAP 1 +#define MGA_NR_TEX_HEAPS 2 +#define MGA_NR_TEX_REGIONS 16 +#define MGA_LOG_MIN_TEX_REGION_SIZE 16 + +#define DRM_MGA_IDLE_RETRY 2048 + +#endif /* __MGA_SAREA_DEFINES__ */ + + +/* Setup registers for 3D context + */ +typedef struct { + unsigned int dstorg; + unsigned int maccess; + unsigned int plnwt; + unsigned int dwgctl; + unsigned int alphactrl; + unsigned int fogcolor; + unsigned int wflag; + unsigned int tdualstage0; + unsigned int tdualstage1; + unsigned int fcol; + unsigned int stencil; + unsigned int stencilctl; +} drm_mga_context_regs_t; + +/* Setup registers for 2D, X server + */ +typedef struct { + unsigned int pitch; +} drm_mga_server_regs_t; + +/* Setup registers for each texture unit + */ +typedef struct { + unsigned int texctl; + unsigned int texctl2; + unsigned int texfilter; + unsigned int texbordercol; + unsigned int texorg; + unsigned int texwidth; + unsigned int texheight; + unsigned int texorg1; + unsigned int texorg2; + unsigned int texorg3; + unsigned int texorg4; +} drm_mga_texture_regs_t; + +/* General aging mechanism + */ +typedef struct { + unsigned int head; /* Position of head pointer */ + unsigned int wrap; /* Primary DMA wrap count */ +} drm_mga_age_t; + +typedef struct _drm_mga_sarea { + /* The channel for communication of state information to the kernel + * on firing a vertex dma buffer. + */ + drm_mga_context_regs_t context_state; + drm_mga_server_regs_t server_state; + drm_mga_texture_regs_t tex_state[2]; + unsigned int warp_pipe; + unsigned int dirty; + unsigned int vertsize; + + /* The current cliprects, or a subset thereof. + */ + drm_clip_rect_t boxes[MGA_NR_SAREA_CLIPRECTS]; + unsigned int nbox; + + /* Information about the most recently used 3d drawable. The + * client fills in the req_* fields, the server fills in the + * exported_ fields and puts the cliprects into boxes, above. + * + * The client clears the exported_drawable field before + * clobbering the boxes data. + */ + unsigned int req_drawable; /* the X drawable id */ + unsigned int req_draw_buffer; /* MGA_FRONT or MGA_BACK */ + + unsigned int exported_drawable; + unsigned int exported_index; + unsigned int exported_stamp; + unsigned int exported_buffers; + unsigned int exported_nfront; + unsigned int exported_nback; + int exported_back_x, exported_front_x, exported_w; + int exported_back_y, exported_front_y, exported_h; + drm_clip_rect_t exported_boxes[MGA_NR_SAREA_CLIPRECTS]; + + /* Counters for aging textures and for client-side throttling. + */ + unsigned int status[4]; + unsigned int last_wrap; + + drm_mga_age_t last_frame; + unsigned int last_enqueue; /* last time a buffer was enqueued */ + unsigned int last_dispatch; /* age of the most recently dispatched buffer */ + unsigned int last_quiescent; /* */ + + /* LRU lists for texture memory in agp space and on the card. + */ + drm_tex_region_t texList[MGA_NR_TEX_HEAPS][MGA_NR_TEX_REGIONS+1]; + unsigned int texAge[MGA_NR_TEX_HEAPS]; + + /* Mechanism to validate card state. + */ + int ctxOwner; +} drm_mga_sarea_t; + + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmMga.h) + */ + +/* MGA specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_MGA_INIT 0x00 +#define DRM_MGA_FLUSH 0x01 +#define DRM_MGA_RESET 0x02 +#define DRM_MGA_SWAP 0x03 +#define DRM_MGA_CLEAR 0x04 +#define DRM_MGA_VERTEX 0x05 +#define DRM_MGA_INDICES 0x06 +#define DRM_MGA_ILOAD 0x07 +#define DRM_MGA_BLIT 0x08 +#define DRM_MGA_GETPARAM 0x09 + +#define DRM_IOCTL_MGA_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INIT, drm_mga_init_t) +#define DRM_IOCTL_MGA_FLUSH DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_FLUSH, drm_lock_t) +#define DRM_IOCTL_MGA_RESET DRM_IO( DRM_COMMAND_BASE + DRM_MGA_RESET) +#define DRM_IOCTL_MGA_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_MGA_SWAP) +#define DRM_IOCTL_MGA_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_CLEAR, drm_mga_clear_t) +#define DRM_IOCTL_MGA_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_VERTEX, drm_mga_vertex_t) +#define DRM_IOCTL_MGA_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_INDICES, drm_mga_indices_t) +#define DRM_IOCTL_MGA_ILOAD DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_ILOAD, drm_mga_iload_t) +#define DRM_IOCTL_MGA_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_MGA_BLIT, drm_mga_blit_t) +#define DRM_IOCTL_MGA_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MGA_GETPARAM, drm_mga_getparam_t) + +typedef struct _drm_mga_warp_index { + int installed; + unsigned long phys_addr; + int size; +} drm_mga_warp_index_t; + +typedef struct drm_mga_init { + enum { + MGA_INIT_DMA = 0x01, + MGA_CLEANUP_DMA = 0x02 + } func; + + unsigned long sarea_priv_offset; + + int chipset; + int sgram; + + unsigned int maccess; + + unsigned int fb_cpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_pitch; + + unsigned int depth_cpp; + unsigned int depth_offset, depth_pitch; + + unsigned int texture_offset[MGA_NR_TEX_HEAPS]; + unsigned int texture_size[MGA_NR_TEX_HEAPS]; + + unsigned long fb_offset; + unsigned long mmio_offset; + unsigned long status_offset; + unsigned long warp_offset; + unsigned long primary_offset; + unsigned long buffers_offset; +} drm_mga_init_t; + +typedef struct drm_mga_fullscreen { + enum { + MGA_INIT_FULLSCREEN = 0x01, + MGA_CLEANUP_FULLSCREEN = 0x02 + } func; +} drm_mga_fullscreen_t; + +typedef struct drm_mga_clear { + unsigned int flags; + unsigned int clear_color; + unsigned int clear_depth; + unsigned int color_mask; + unsigned int depth_mask; +} drm_mga_clear_t; + +typedef struct drm_mga_vertex { + int idx; /* buffer to queue */ + int used; /* bytes in use */ + int discard; /* client finished with buffer? */ +} drm_mga_vertex_t; + +typedef struct drm_mga_indices { + int idx; /* buffer to queue */ + unsigned int start; + unsigned int end; + int discard; /* client finished with buffer? */ +} drm_mga_indices_t; + +typedef struct drm_mga_iload { + int idx; + unsigned int dstorg; + unsigned int length; +} drm_mga_iload_t; + +typedef struct _drm_mga_blit { + unsigned int planemask; + unsigned int srcorg; + unsigned int dstorg; + int src_pitch, dst_pitch; + int delta_sx, delta_sy; + int delta_dx, delta_dy; + int height, ydir; /* flip image vertically */ + int source_pitch, dest_pitch; +} drm_mga_blit_t; + +/* 3.1: An ioctl to get parameters that aren't available to the 3d + * client any other way. + */ +#define MGA_PARAM_IRQ_NR 1 + +typedef struct drm_mga_getparam { + int param; + void __user *value; +} drm_mga_getparam_t; + +#endif diff --git a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c new file mode 100644 index 0000000..22dab3e --- /dev/null +++ b/drivers/char/drm/mga_drv.c @@ -0,0 +1,127 @@ +/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- + * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/config.h> +#include "drmP.h" +#include "drm.h" +#include "mga_drm.h" +#include "mga_drv.h" + + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + dev->counters += 3; + dev->types[6] = _DRM_STAT_IRQ; + dev->types[7] = _DRM_STAT_PRIMARY; + dev->types[8] = _DRM_STAT_SECONDARY; + + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + mga_PCI_IDS +}; + +extern drm_ioctl_desc_t mga_ioctls[]; +extern int mga_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .pretakedown = mga_driver_pretakedown, + .dma_quiescent = mga_driver_dma_quiescent, + .vblank_wait = mga_driver_vblank_wait, + .irq_preinstall = mga_driver_irq_preinstall, + .irq_postinstall = mga_driver_irq_postinstall, + .irq_uninstall = mga_driver_irq_uninstall, + .irq_handler = mga_driver_irq_handler, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = mga_ioctls, + .dma_ioctl = mga_dma_buffers, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init mga_init(void) +{ + driver.num_ioctls = mga_max_ioctl; + return drm_init(&driver); +} + +static void __exit mga_exit(void) +{ + drm_exit(&driver); +} + +module_init(mga_init); +module_exit(mga_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h new file mode 100644 index 0000000..1d84a1e --- /dev/null +++ b/drivers/char/drm/mga_drv.h @@ -0,0 +1,638 @@ +/* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*- + * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __MGA_DRV_H__ +#define __MGA_DRV_H__ + +/* General customization: + */ + +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "mga" +#define DRIVER_DESC "Matrox G200/G400" +#define DRIVER_DATE "20021029" + +#define DRIVER_MAJOR 3 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +typedef struct drm_mga_primary_buffer { + u8 *start; + u8 *end; + int size; + + u32 tail; + int space; + volatile long wrapped; + + volatile u32 *status; + + u32 last_flush; + u32 last_wrap; + + u32 high_mark; +} drm_mga_primary_buffer_t; + +typedef struct drm_mga_freelist { + struct drm_mga_freelist *next; + struct drm_mga_freelist *prev; + drm_mga_age_t age; + drm_buf_t *buf; +} drm_mga_freelist_t; + +typedef struct { + drm_mga_freelist_t *list_entry; + int discard; + int dispatched; +} drm_mga_buf_priv_t; + +typedef struct drm_mga_private { + drm_mga_primary_buffer_t prim; + drm_mga_sarea_t *sarea_priv; + + drm_mga_freelist_t *head; + drm_mga_freelist_t *tail; + + unsigned int warp_pipe; + unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES]; + + int chipset; + int usec_timeout; + + u32 clear_cmd; + u32 maccess; + + unsigned int fb_cpp; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + unsigned int depth_cpp; + unsigned int depth_offset; + unsigned int depth_pitch; + + unsigned int texture_offset; + unsigned int texture_size; + + drm_local_map_t *sarea; + drm_local_map_t *mmio; + drm_local_map_t *status; + drm_local_map_t *warp; + drm_local_map_t *primary; + drm_local_map_t *buffers; + drm_local_map_t *agp_textures; +} drm_mga_private_t; + + /* mga_dma.c */ +extern int mga_dma_init( DRM_IOCTL_ARGS ); +extern int mga_dma_flush( DRM_IOCTL_ARGS ); +extern int mga_dma_reset( DRM_IOCTL_ARGS ); +extern int mga_dma_buffers( DRM_IOCTL_ARGS ); +extern void mga_driver_pretakedown(drm_device_t *dev); +extern int mga_driver_dma_quiescent(drm_device_t *dev); + +extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv ); + +extern void mga_do_dma_flush( drm_mga_private_t *dev_priv ); +extern void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv ); +extern void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv ); + +extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf ); + + /* mga_warp.c */ +extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv ); +extern int mga_warp_init( drm_mga_private_t *dev_priv ); + +extern int mga_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); +extern irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS ); +extern void mga_driver_irq_preinstall( drm_device_t *dev ); +extern void mga_driver_irq_postinstall( drm_device_t *dev ); +extern void mga_driver_irq_uninstall( drm_device_t *dev ); + +#define mga_flush_write_combine() DRM_WRITEMEMORYBARRIER() + +#if defined(__linux__) && defined(__alpha__) +#define MGA_BASE( reg ) ((unsigned long)(dev_priv->mmio->handle)) +#define MGA_ADDR( reg ) (MGA_BASE(reg) + reg) + +#define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg ) +#define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg ) + +#define MGA_READ( reg ) (_MGA_READ((u32 *)MGA_ADDR(reg))) +#define MGA_READ8( reg ) (_MGA_READ((u8 *)MGA_ADDR(reg))) +#define MGA_WRITE( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0) +#define MGA_WRITE8( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0) + +static inline u32 _MGA_READ(u32 *addr) +{ + DRM_MEMORYBARRIER(); + return *(volatile u32 *)addr; +} +#else +#define MGA_READ8( reg ) DRM_READ8(dev_priv->mmio, (reg)) +#define MGA_READ( reg ) DRM_READ32(dev_priv->mmio, (reg)) +#define MGA_WRITE8( reg, val ) DRM_WRITE8(dev_priv->mmio, (reg), (val)) +#define MGA_WRITE( reg, val ) DRM_WRITE32(dev_priv->mmio, (reg), (val)) +#endif + +#define DWGREG0 0x1c00 +#define DWGREG0_END 0x1dff +#define DWGREG1 0x2c00 +#define DWGREG1_END 0x2dff + +#define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END) +#define DMAREG0(r) (u8)((r - DWGREG0) >> 2) +#define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80) +#define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r)) + + + +/* ================================================================ + * Helper macross... + */ + +#define MGA_EMIT_STATE( dev_priv, dirty ) \ +do { \ + if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) { \ + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { \ + mga_g400_emit_state( dev_priv ); \ + } else { \ + mga_g200_emit_state( dev_priv ); \ + } \ + } \ +} while (0) + +#define WRAP_TEST_WITH_RETURN( dev_priv ) \ +do { \ + if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \ + if ( mga_is_idle( dev_priv ) ) { \ + mga_do_dma_wrap_end( dev_priv ); \ + } else if ( dev_priv->prim.space < \ + dev_priv->prim.high_mark ) { \ + if ( MGA_DMA_DEBUG ) \ + DRM_INFO( "%s: wrap...\n", __FUNCTION__ ); \ + return DRM_ERR(EBUSY); \ + } \ + } \ +} while (0) + +#define WRAP_WAIT_WITH_RETURN( dev_priv ) \ +do { \ + if ( test_bit( 0, &dev_priv->prim.wrapped ) ) { \ + if ( mga_do_wait_for_idle( dev_priv ) < 0 ) { \ + if ( MGA_DMA_DEBUG ) \ + DRM_INFO( "%s: wrap...\n", __FUNCTION__ ); \ + return DRM_ERR(EBUSY); \ + } \ + mga_do_dma_wrap_end( dev_priv ); \ + } \ +} while (0) + + +/* ================================================================ + * Primary DMA command stream + */ + +#define MGA_VERBOSE 0 + +#define DMA_LOCALS unsigned int write; volatile u8 *prim; + +#define DMA_BLOCK_SIZE (5 * sizeof(u32)) + +#define BEGIN_DMA( n ) \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "BEGIN_DMA( %d ) in %s\n", \ + (n), __FUNCTION__ ); \ + DRM_INFO( " space=0x%x req=0x%Zx\n", \ + dev_priv->prim.space, (n) * DMA_BLOCK_SIZE ); \ + } \ + prim = dev_priv->prim.start; \ + write = dev_priv->prim.tail; \ +} while (0) + +#define BEGIN_DMA_WRAP() \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "BEGIN_DMA() in %s\n", __FUNCTION__ ); \ + DRM_INFO( " space=0x%x\n", dev_priv->prim.space ); \ + } \ + prim = dev_priv->prim.start; \ + write = dev_priv->prim.tail; \ +} while (0) + +#define ADVANCE_DMA() \ +do { \ + dev_priv->prim.tail = write; \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%x\n", \ + write, dev_priv->prim.space ); \ + } \ +} while (0) + +#define FLUSH_DMA() \ +do { \ + if ( 0 ) { \ + DRM_INFO( "%s:\n", __FUNCTION__ ); \ + DRM_INFO( " tail=0x%06x head=0x%06lx\n", \ + dev_priv->prim.tail, \ + MGA_READ( MGA_PRIMADDRESS ) - \ + dev_priv->primary->offset ); \ + } \ + if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) { \ + if ( dev_priv->prim.space < \ + dev_priv->prim.high_mark ) { \ + mga_do_dma_wrap_start( dev_priv ); \ + } else { \ + mga_do_dma_flush( dev_priv ); \ + } \ + } \ +} while (0) + +/* Never use this, always use DMA_BLOCK(...) for primary DMA output. + */ +#define DMA_WRITE( offset, val ) \ +do { \ + if ( MGA_VERBOSE ) { \ + DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04Zx\n", \ + (u32)(val), write + (offset) * sizeof(u32) ); \ + } \ + *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val; \ +} while (0) + +#define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 ) \ +do { \ + DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) | \ + (DMAREG( reg1 ) << 8) | \ + (DMAREG( reg2 ) << 16) | \ + (DMAREG( reg3 ) << 24)) ); \ + DMA_WRITE( 1, val0 ); \ + DMA_WRITE( 2, val1 ); \ + DMA_WRITE( 3, val2 ); \ + DMA_WRITE( 4, val3 ); \ + write += DMA_BLOCK_SIZE; \ +} while (0) + + +/* Buffer aging via primary DMA stream head pointer. + */ + +#define SET_AGE( age, h, w ) \ +do { \ + (age)->head = h; \ + (age)->wrap = w; \ +} while (0) + +#define TEST_AGE( age, h, w ) ( (age)->wrap < w || \ + ( (age)->wrap == w && \ + (age)->head < h ) ) + +#define AGE_BUFFER( buf_priv ) \ +do { \ + drm_mga_freelist_t *entry = (buf_priv)->list_entry; \ + if ( (buf_priv)->dispatched ) { \ + entry->age.head = (dev_priv->prim.tail + \ + dev_priv->primary->offset); \ + entry->age.wrap = dev_priv->sarea_priv->last_wrap; \ + } else { \ + entry->age.head = 0; \ + entry->age.wrap = 0; \ + } \ +} while (0) + + +#define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN | \ + MGA_DWGENGSTS | \ + MGA_ENDPRDMASTS) +#define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN | \ + MGA_ENDPRDMASTS) + +#define MGA_DMA_DEBUG 0 + + + +/* A reduced set of the mga registers. + */ +#define MGA_CRTC_INDEX 0x1fd4 +#define MGA_CRTC_DATA 0x1fd5 + +/* CRTC11 */ +#define MGA_VINTCLR (1 << 4) +#define MGA_VINTEN (1 << 5) + +#define MGA_ALPHACTRL 0x2c7c +#define MGA_AR0 0x1c60 +#define MGA_AR1 0x1c64 +#define MGA_AR2 0x1c68 +#define MGA_AR3 0x1c6c +#define MGA_AR4 0x1c70 +#define MGA_AR5 0x1c74 +#define MGA_AR6 0x1c78 + +#define MGA_CXBNDRY 0x1c80 +#define MGA_CXLEFT 0x1ca0 +#define MGA_CXRIGHT 0x1ca4 + +#define MGA_DMAPAD 0x1c54 +#define MGA_DSTORG 0x2cb8 +#define MGA_DWGCTL 0x1c00 +# define MGA_OPCOD_MASK (15 << 0) +# define MGA_OPCOD_TRAP (4 << 0) +# define MGA_OPCOD_TEXTURE_TRAP (6 << 0) +# define MGA_OPCOD_BITBLT (8 << 0) +# define MGA_OPCOD_ILOAD (9 << 0) +# define MGA_ATYPE_MASK (7 << 4) +# define MGA_ATYPE_RPL (0 << 4) +# define MGA_ATYPE_RSTR (1 << 4) +# define MGA_ATYPE_ZI (3 << 4) +# define MGA_ATYPE_BLK (4 << 4) +# define MGA_ATYPE_I (7 << 4) +# define MGA_LINEAR (1 << 7) +# define MGA_ZMODE_MASK (7 << 8) +# define MGA_ZMODE_NOZCMP (0 << 8) +# define MGA_ZMODE_ZE (2 << 8) +# define MGA_ZMODE_ZNE (3 << 8) +# define MGA_ZMODE_ZLT (4 << 8) +# define MGA_ZMODE_ZLTE (5 << 8) +# define MGA_ZMODE_ZGT (6 << 8) +# define MGA_ZMODE_ZGTE (7 << 8) +# define MGA_SOLID (1 << 11) +# define MGA_ARZERO (1 << 12) +# define MGA_SGNZERO (1 << 13) +# define MGA_SHIFTZERO (1 << 14) +# define MGA_BOP_MASK (15 << 16) +# define MGA_BOP_ZERO (0 << 16) +# define MGA_BOP_DST (10 << 16) +# define MGA_BOP_SRC (12 << 16) +# define MGA_BOP_ONE (15 << 16) +# define MGA_TRANS_SHIFT 20 +# define MGA_TRANS_MASK (15 << 20) +# define MGA_BLTMOD_MASK (15 << 25) +# define MGA_BLTMOD_BMONOLEF (0 << 25) +# define MGA_BLTMOD_BMONOWF (4 << 25) +# define MGA_BLTMOD_PLAN (1 << 25) +# define MGA_BLTMOD_BFCOL (2 << 25) +# define MGA_BLTMOD_BU32BGR (3 << 25) +# define MGA_BLTMOD_BU32RGB (7 << 25) +# define MGA_BLTMOD_BU24BGR (11 << 25) +# define MGA_BLTMOD_BU24RGB (15 << 25) +# define MGA_PATTERN (1 << 29) +# define MGA_TRANSC (1 << 30) +# define MGA_CLIPDIS (1 << 31) +#define MGA_DWGSYNC 0x2c4c + +#define MGA_FCOL 0x1c24 +#define MGA_FIFOSTATUS 0x1e10 +#define MGA_FOGCOL 0x1cf4 +#define MGA_FXBNDRY 0x1c84 +#define MGA_FXLEFT 0x1ca8 +#define MGA_FXRIGHT 0x1cac + +#define MGA_ICLEAR 0x1e18 +# define MGA_SOFTRAPICLR (1 << 0) +# define MGA_VLINEICLR (1 << 5) +#define MGA_IEN 0x1e1c +# define MGA_SOFTRAPIEN (1 << 0) +# define MGA_VLINEIEN (1 << 5) + +#define MGA_LEN 0x1c5c + +#define MGA_MACCESS 0x1c04 + +#define MGA_PITCH 0x1c8c +#define MGA_PLNWT 0x1c1c +#define MGA_PRIMADDRESS 0x1e58 +# define MGA_DMA_GENERAL (0 << 0) +# define MGA_DMA_BLIT (1 << 0) +# define MGA_DMA_VECTOR (2 << 0) +# define MGA_DMA_VERTEX (3 << 0) +#define MGA_PRIMEND 0x1e5c +# define MGA_PRIMNOSTART (1 << 0) +# define MGA_PAGPXFER (1 << 1) +#define MGA_PRIMPTR 0x1e50 +# define MGA_PRIMPTREN0 (1 << 0) +# define MGA_PRIMPTREN1 (1 << 1) + +#define MGA_RST 0x1e40 +# define MGA_SOFTRESET (1 << 0) +# define MGA_SOFTEXTRST (1 << 1) + +#define MGA_SECADDRESS 0x2c40 +#define MGA_SECEND 0x2c44 +#define MGA_SETUPADDRESS 0x2cd0 +#define MGA_SETUPEND 0x2cd4 +#define MGA_SGN 0x1c58 +#define MGA_SOFTRAP 0x2c48 +#define MGA_SRCORG 0x2cb4 +# define MGA_SRMMAP_MASK (1 << 0) +# define MGA_SRCMAP_FB (0 << 0) +# define MGA_SRCMAP_SYSMEM (1 << 0) +# define MGA_SRCACC_MASK (1 << 1) +# define MGA_SRCACC_PCI (0 << 1) +# define MGA_SRCACC_AGP (1 << 1) +#define MGA_STATUS 0x1e14 +# define MGA_SOFTRAPEN (1 << 0) +# define MGA_VSYNCPEN (1 << 4) +# define MGA_VLINEPEN (1 << 5) +# define MGA_DWGENGSTS (1 << 16) +# define MGA_ENDPRDMASTS (1 << 17) +#define MGA_STENCIL 0x2cc8 +#define MGA_STENCILCTL 0x2ccc + +#define MGA_TDUALSTAGE0 0x2cf8 +#define MGA_TDUALSTAGE1 0x2cfc +#define MGA_TEXBORDERCOL 0x2c5c +#define MGA_TEXCTL 0x2c30 +#define MGA_TEXCTL2 0x2c3c +# define MGA_DUALTEX (1 << 7) +# define MGA_G400_TC2_MAGIC (1 << 15) +# define MGA_MAP1_ENABLE (1 << 31) +#define MGA_TEXFILTER 0x2c58 +#define MGA_TEXHEIGHT 0x2c2c +#define MGA_TEXORG 0x2c24 +# define MGA_TEXORGMAP_MASK (1 << 0) +# define MGA_TEXORGMAP_FB (0 << 0) +# define MGA_TEXORGMAP_SYSMEM (1 << 0) +# define MGA_TEXORGACC_MASK (1 << 1) +# define MGA_TEXORGACC_PCI (0 << 1) +# define MGA_TEXORGACC_AGP (1 << 1) +#define MGA_TEXORG1 0x2ca4 +#define MGA_TEXORG2 0x2ca8 +#define MGA_TEXORG3 0x2cac +#define MGA_TEXORG4 0x2cb0 +#define MGA_TEXTRANS 0x2c34 +#define MGA_TEXTRANSHIGH 0x2c38 +#define MGA_TEXWIDTH 0x2c28 + +#define MGA_WACCEPTSEQ 0x1dd4 +#define MGA_WCODEADDR 0x1e6c +#define MGA_WFLAG 0x1dc4 +#define MGA_WFLAG1 0x1de0 +#define MGA_WFLAGNB 0x1e64 +#define MGA_WFLAGNB1 0x1e08 +#define MGA_WGETMSB 0x1dc8 +#define MGA_WIADDR 0x1dc0 +#define MGA_WIADDR2 0x1dd8 +# define MGA_WMODE_SUSPEND (0 << 0) +# define MGA_WMODE_RESUME (1 << 0) +# define MGA_WMODE_JUMP (2 << 0) +# define MGA_WMODE_START (3 << 0) +# define MGA_WAGP_ENABLE (1 << 2) +#define MGA_WMISC 0x1e70 +# define MGA_WUCODECACHE_ENABLE (1 << 0) +# define MGA_WMASTER_ENABLE (1 << 1) +# define MGA_WCACHEFLUSH_ENABLE (1 << 3) +#define MGA_WVRTXSZ 0x1dcc + +#define MGA_YBOT 0x1c9c +#define MGA_YDST 0x1c90 +#define MGA_YDSTLEN 0x1c88 +#define MGA_YDSTORG 0x1c94 +#define MGA_YTOP 0x1c98 + +#define MGA_ZORG 0x1c0c + +/* This finishes the current batch of commands + */ +#define MGA_EXEC 0x0100 + +/* Warp registers + */ +#define MGA_WR0 0x2d00 +#define MGA_WR1 0x2d04 +#define MGA_WR2 0x2d08 +#define MGA_WR3 0x2d0c +#define MGA_WR4 0x2d10 +#define MGA_WR5 0x2d14 +#define MGA_WR6 0x2d18 +#define MGA_WR7 0x2d1c +#define MGA_WR8 0x2d20 +#define MGA_WR9 0x2d24 +#define MGA_WR10 0x2d28 +#define MGA_WR11 0x2d2c +#define MGA_WR12 0x2d30 +#define MGA_WR13 0x2d34 +#define MGA_WR14 0x2d38 +#define MGA_WR15 0x2d3c +#define MGA_WR16 0x2d40 +#define MGA_WR17 0x2d44 +#define MGA_WR18 0x2d48 +#define MGA_WR19 0x2d4c +#define MGA_WR20 0x2d50 +#define MGA_WR21 0x2d54 +#define MGA_WR22 0x2d58 +#define MGA_WR23 0x2d5c +#define MGA_WR24 0x2d60 +#define MGA_WR25 0x2d64 +#define MGA_WR26 0x2d68 +#define MGA_WR27 0x2d6c +#define MGA_WR28 0x2d70 +#define MGA_WR29 0x2d74 +#define MGA_WR30 0x2d78 +#define MGA_WR31 0x2d7c +#define MGA_WR32 0x2d80 +#define MGA_WR33 0x2d84 +#define MGA_WR34 0x2d88 +#define MGA_WR35 0x2d8c +#define MGA_WR36 0x2d90 +#define MGA_WR37 0x2d94 +#define MGA_WR38 0x2d98 +#define MGA_WR39 0x2d9c +#define MGA_WR40 0x2da0 +#define MGA_WR41 0x2da4 +#define MGA_WR42 0x2da8 +#define MGA_WR43 0x2dac +#define MGA_WR44 0x2db0 +#define MGA_WR45 0x2db4 +#define MGA_WR46 0x2db8 +#define MGA_WR47 0x2dbc +#define MGA_WR48 0x2dc0 +#define MGA_WR49 0x2dc4 +#define MGA_WR50 0x2dc8 +#define MGA_WR51 0x2dcc +#define MGA_WR52 0x2dd0 +#define MGA_WR53 0x2dd4 +#define MGA_WR54 0x2dd8 +#define MGA_WR55 0x2ddc +#define MGA_WR56 0x2de0 +#define MGA_WR57 0x2de4 +#define MGA_WR58 0x2de8 +#define MGA_WR59 0x2dec +#define MGA_WR60 0x2df0 +#define MGA_WR61 0x2df4 +#define MGA_WR62 0x2df8 +#define MGA_WR63 0x2dfc +# define MGA_G400_WR_MAGIC (1 << 6) +# define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */ + + +#define MGA_ILOAD_ALIGN 64 +#define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1) + +#define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP | \ + MGA_ATYPE_I | \ + MGA_ZMODE_NOZCMP | \ + MGA_ARZERO | \ + MGA_SGNZERO | \ + MGA_BOP_SRC | \ + (15 << MGA_TRANS_SHIFT)) + +#define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP | \ + MGA_ZMODE_NOZCMP | \ + MGA_SOLID | \ + MGA_ARZERO | \ + MGA_SGNZERO | \ + MGA_SHIFTZERO | \ + MGA_BOP_SRC | \ + (0 << MGA_TRANS_SHIFT) | \ + MGA_BLTMOD_BMONOLEF | \ + MGA_TRANSC | \ + MGA_CLIPDIS) + +#define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT | \ + MGA_ATYPE_RPL | \ + MGA_SGNZERO | \ + MGA_SHIFTZERO | \ + MGA_BOP_SRC | \ + (0 << MGA_TRANS_SHIFT) | \ + MGA_BLTMOD_BFCOL | \ + MGA_CLIPDIS) + +/* Simple idle test. + */ +static __inline__ int mga_is_idle( drm_mga_private_t *dev_priv ) +{ + u32 status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK; + return ( status == MGA_ENDPRDMASTS ); +} + +#endif diff --git a/drivers/char/drm/mga_irq.c b/drivers/char/drm/mga_irq.c new file mode 100644 index 0000000..bc0b6b5 --- /dev/null +++ b/drivers/char/drm/mga_irq.c @@ -0,0 +1,102 @@ +/* mga_irq.c -- IRQ handling for radeon -*- linux-c -*- + * + * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Eric Anholt <anholt@FreeBSD.org> + */ + +#include "drmP.h" +#include "drm.h" +#include "mga_drm.h" +#include "mga_drv.h" + +irqreturn_t mga_driver_irq_handler( DRM_IRQ_ARGS ) +{ + drm_device_t *dev = (drm_device_t *) arg; + drm_mga_private_t *dev_priv = + (drm_mga_private_t *)dev->dev_private; + int status; + + status = MGA_READ( MGA_STATUS ); + + /* VBLANK interrupt */ + if ( status & MGA_VLINEPEN ) { + MGA_WRITE( MGA_ICLEAR, MGA_VLINEICLR ); + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); + drm_vbl_send_signals( dev ); + return IRQ_HANDLED; + } + return IRQ_NONE; +} + +int mga_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + unsigned int cur_vblank; + int ret = 0; + + /* Assume that the user has missed the current sequence number + * by about a day rather than she wants to wait for years + * using vertical blanks... + */ + DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ, + ( ( ( cur_vblank = atomic_read(&dev->vbl_received ) ) + - *sequence ) <= (1<<23) ) ); + + *sequence = cur_vblank; + + return ret; +} + +void mga_driver_irq_preinstall( drm_device_t *dev ) { + drm_mga_private_t *dev_priv = + (drm_mga_private_t *)dev->dev_private; + + /* Disable *all* interrupts */ + MGA_WRITE( MGA_IEN, 0 ); + /* Clear bits if they're already high */ + MGA_WRITE( MGA_ICLEAR, ~0 ); +} + +void mga_driver_irq_postinstall( drm_device_t *dev ) { + drm_mga_private_t *dev_priv = + (drm_mga_private_t *)dev->dev_private; + + /* Turn on VBL interrupt */ + MGA_WRITE( MGA_IEN, MGA_VLINEIEN ); +} + +void mga_driver_irq_uninstall( drm_device_t *dev ) { + drm_mga_private_t *dev_priv = + (drm_mga_private_t *)dev->dev_private; + if (!dev_priv) + return; + + /* Disable *all* interrupts */ + MGA_WRITE( MGA_IEN, 0 ); +} diff --git a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c new file mode 100644 index 0000000..3c7a8f5 --- /dev/null +++ b/drivers/char/drm/mga_state.c @@ -0,0 +1,1123 @@ +/* mga_state.c -- State support for MGA G200/G400 -*- linux-c -*- + * Created: Thu Jan 27 02:53:43 2000 by jhartmann@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jeff Hartmann <jhartmann@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + * + * Rewritten by: + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "mga_drm.h" +#include "mga_drv.h" + +/* ================================================================ + * DMA hardware state programming functions + */ + +static void mga_emit_clip_rect( drm_mga_private_t *dev_priv, + drm_clip_rect_t *box ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + unsigned int pitch = dev_priv->front_pitch; + DMA_LOCALS; + + BEGIN_DMA( 2 ); + + /* Force reset of DWGCTL on G400 (eliminates clip disable bit). + */ + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { + DMA_BLOCK( MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000, + MGA_DWGCTL, ctx->dwgctl, + MGA_LEN + MGA_EXEC, 0x80000000 ); + } + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_CXBNDRY, (box->x2 << 16) | box->x1, + MGA_YTOP, box->y1 * pitch, + MGA_YBOT, box->y2 * pitch ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g200_emit_context( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + DMA_LOCALS; + + BEGIN_DMA( 3 ); + + DMA_BLOCK( MGA_DSTORG, ctx->dstorg, + MGA_MACCESS, ctx->maccess, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); + + DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl, + MGA_FOGCOL, ctx->fogcolor, + MGA_WFLAG, ctx->wflag, + MGA_ZORG, dev_priv->depth_offset ); + + DMA_BLOCK( MGA_FCOL, ctx->fcol, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g400_emit_context( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + DMA_LOCALS; + + BEGIN_DMA( 4 ); + + DMA_BLOCK( MGA_DSTORG, ctx->dstorg, + MGA_MACCESS, ctx->maccess, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); + + DMA_BLOCK( MGA_ALPHACTRL, ctx->alphactrl, + MGA_FOGCOL, ctx->fogcolor, + MGA_WFLAG, ctx->wflag, + MGA_ZORG, dev_priv->depth_offset ); + + DMA_BLOCK( MGA_WFLAG1, ctx->wflag, + MGA_TDUALSTAGE0, ctx->tdualstage0, + MGA_TDUALSTAGE1, ctx->tdualstage1, + MGA_FCOL, ctx->fcol ); + + DMA_BLOCK( MGA_STENCIL, ctx->stencil, + MGA_STENCILCTL, ctx->stencilctl, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g200_emit_tex0( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; + DMA_LOCALS; + + BEGIN_DMA( 4 ); + + DMA_BLOCK( MGA_TEXCTL2, tex->texctl2, + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR24, tex->texwidth ); + + DMA_BLOCK( MGA_WR34, tex->texheight, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff, + MGA_DMAPAD, 0x00000000 ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g400_emit_tex0( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[0]; + DMA_LOCALS; + +/* printk("mga_g400_emit_tex0 %x %x %x\n", tex->texorg, */ +/* tex->texctl, tex->texctl2); */ + + BEGIN_DMA( 6 ); + + DMA_BLOCK( MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC, + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR49, 0x00000000 ); + + DMA_BLOCK( MGA_WR57, 0x00000000, + MGA_WR53, 0x00000000, + MGA_WR61, 0x00000000, + MGA_WR52, MGA_G400_WR_MAGIC ); + + DMA_BLOCK( MGA_WR60, MGA_G400_WR_MAGIC, + MGA_WR54, tex->texwidth | MGA_G400_WR_MAGIC, + MGA_WR62, tex->texheight | MGA_G400_WR_MAGIC, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g400_emit_tex1( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[1]; + DMA_LOCALS; + +/* printk("mga_g400_emit_tex1 %x %x %x\n", tex->texorg, */ +/* tex->texctl, tex->texctl2); */ + + BEGIN_DMA( 5 ); + + DMA_BLOCK( MGA_TEXCTL2, (tex->texctl2 | + MGA_MAP1_ENABLE | + MGA_G400_TC2_MAGIC), + MGA_TEXCTL, tex->texctl, + MGA_TEXFILTER, tex->texfilter, + MGA_TEXBORDERCOL, tex->texbordercol ); + + DMA_BLOCK( MGA_TEXORG, tex->texorg, + MGA_TEXORG1, tex->texorg1, + MGA_TEXORG2, tex->texorg2, + MGA_TEXORG3, tex->texorg3 ); + + DMA_BLOCK( MGA_TEXORG4, tex->texorg4, + MGA_TEXWIDTH, tex->texwidth, + MGA_TEXHEIGHT, tex->texheight, + MGA_WR49, 0x00000000 ); + + DMA_BLOCK( MGA_WR57, 0x00000000, + MGA_WR53, 0x00000000, + MGA_WR61, 0x00000000, + MGA_WR52, tex->texwidth | MGA_G400_WR_MAGIC ); + + DMA_BLOCK( MGA_WR60, tex->texheight | MGA_G400_WR_MAGIC, + MGA_TEXTRANS, 0x0000ffff, + MGA_TEXTRANSHIGH, 0x0000ffff, + MGA_TEXCTL2, tex->texctl2 | MGA_G400_TC2_MAGIC ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g200_emit_pipe( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int pipe = sarea_priv->warp_pipe; + DMA_LOCALS; + + BEGIN_DMA( 3 ); + + DMA_BLOCK( MGA_WIADDR, MGA_WMODE_SUSPEND, + MGA_WVRTXSZ, 0x00000007, + MGA_WFLAG, 0x00000000, + MGA_WR24, 0x00000000 ); + + DMA_BLOCK( MGA_WR25, 0x00000100, + MGA_WR34, 0x00000000, + MGA_WR42, 0x0000ffff, + MGA_WR60, 0x0000ffff ); + + /* Padding required to to hardware bug. + */ + DMA_BLOCK( MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | + MGA_WAGP_ENABLE) ); + + ADVANCE_DMA(); +} + +static __inline__ void mga_g400_emit_pipe( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int pipe = sarea_priv->warp_pipe; + DMA_LOCALS; + +/* printk("mga_g400_emit_pipe %x\n", pipe); */ + + BEGIN_DMA( 10 ); + + DMA_BLOCK( MGA_WIADDR2, MGA_WMODE_SUSPEND, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + if ( pipe & MGA_T2 ) { + DMA_BLOCK( MGA_WVRTXSZ, 0x00001e09, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x1e000000 ); + } else { + if ( dev_priv->warp_pipe & MGA_T2 ) { + /* Flush the WARP pipe */ + DMA_BLOCK( MGA_YDST, 0x00000000, + MGA_FXLEFT, 0x00000000, + MGA_FXRIGHT, 0x00000001, + MGA_DWGCTL, MGA_DWGCTL_FLUSH ); + + DMA_BLOCK( MGA_LEN + MGA_EXEC, 0x00000001, + MGA_DWGSYNC, 0x00007000, + MGA_TEXCTL2, MGA_G400_TC2_MAGIC, + MGA_LEN + MGA_EXEC, 0x00000000 ); + + DMA_BLOCK( MGA_TEXCTL2, (MGA_DUALTEX | + MGA_G400_TC2_MAGIC), + MGA_LEN + MGA_EXEC, 0x00000000, + MGA_TEXCTL2, MGA_G400_TC2_MAGIC, + MGA_DMAPAD, 0x00000000 ); + } + + DMA_BLOCK( MGA_WVRTXSZ, 0x00001807, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x00000000, + MGA_WACCEPTSEQ, 0x18000000 ); + } + + DMA_BLOCK( MGA_WFLAG, 0x00000000, + MGA_WFLAG1, 0x00000000, + MGA_WR56, MGA_G400_WR56_MAGIC, + MGA_DMAPAD, 0x00000000 ); + + DMA_BLOCK( MGA_WR49, 0x00000000, /* tex0 */ + MGA_WR57, 0x00000000, /* tex0 */ + MGA_WR53, 0x00000000, /* tex1 */ + MGA_WR61, 0x00000000 ); /* tex1 */ + + DMA_BLOCK( MGA_WR54, MGA_G400_WR_MAGIC, /* tex0 width */ + MGA_WR62, MGA_G400_WR_MAGIC, /* tex0 height */ + MGA_WR52, MGA_G400_WR_MAGIC, /* tex1 width */ + MGA_WR60, MGA_G400_WR_MAGIC ); /* tex1 height */ + + /* Padding required to to hardware bug */ + DMA_BLOCK( MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_DMAPAD, 0xffffffff, + MGA_WIADDR2, (dev_priv->warp_pipe_phys[pipe] | + MGA_WMODE_START | + MGA_WAGP_ENABLE) ); + + ADVANCE_DMA(); +} + +static void mga_g200_emit_state( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + + if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) { + mga_g200_emit_pipe( dev_priv ); + dev_priv->warp_pipe = sarea_priv->warp_pipe; + } + + if ( dirty & MGA_UPLOAD_CONTEXT ) { + mga_g200_emit_context( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; + } + + if ( dirty & MGA_UPLOAD_TEX0 ) { + mga_g200_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } +} + +static void mga_g400_emit_state( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + int multitex = sarea_priv->warp_pipe & MGA_T2; + + if ( sarea_priv->warp_pipe != dev_priv->warp_pipe ) { + mga_g400_emit_pipe( dev_priv ); + dev_priv->warp_pipe = sarea_priv->warp_pipe; + } + + if ( dirty & MGA_UPLOAD_CONTEXT ) { + mga_g400_emit_context( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_CONTEXT; + } + + if ( dirty & MGA_UPLOAD_TEX0 ) { + mga_g400_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX0; + } + + if ( (dirty & MGA_UPLOAD_TEX1) && multitex ) { + mga_g400_emit_tex1( dev_priv ); + sarea_priv->dirty &= ~MGA_UPLOAD_TEX1; + } +} + + +/* ================================================================ + * SAREA state verification + */ + +/* Disallow all write destinations except the front and backbuffer. + */ +static int mga_verify_context( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + + if ( ctx->dstorg != dev_priv->front_offset && + ctx->dstorg != dev_priv->back_offset ) { + DRM_ERROR( "*** bad DSTORG: %x (front %x, back %x)\n\n", + ctx->dstorg, dev_priv->front_offset, + dev_priv->back_offset ); + ctx->dstorg = 0; + return DRM_ERR(EINVAL); + } + + return 0; +} + +/* Disallow texture reads from PCI space. + */ +static int mga_verify_tex( drm_mga_private_t *dev_priv, int unit ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_texture_regs_t *tex = &sarea_priv->tex_state[unit]; + unsigned int org; + + org = tex->texorg & (MGA_TEXORGMAP_MASK | MGA_TEXORGACC_MASK); + + if ( org == (MGA_TEXORGMAP_SYSMEM | MGA_TEXORGACC_PCI) ) { + DRM_ERROR( "*** bad TEXORG: 0x%x, unit %d\n", + tex->texorg, unit ); + tex->texorg = 0; + return DRM_ERR(EINVAL); + } + + return 0; +} + +static int mga_verify_state( drm_mga_private_t *dev_priv ) +{ + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + int ret = 0; + + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + if ( dirty & MGA_UPLOAD_CONTEXT ) + ret |= mga_verify_context( dev_priv ); + + if ( dirty & MGA_UPLOAD_TEX0 ) + ret |= mga_verify_tex( dev_priv, 0 ); + + if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) { + if ( dirty & MGA_UPLOAD_TEX1 ) + ret |= mga_verify_tex( dev_priv, 1 ); + + if ( dirty & MGA_UPLOAD_PIPE ) + ret |= ( sarea_priv->warp_pipe > MGA_MAX_G400_PIPES ); + } else { + if ( dirty & MGA_UPLOAD_PIPE ) + ret |= ( sarea_priv->warp_pipe > MGA_MAX_G200_PIPES ); + } + + return ( ret == 0 ); +} + +static int mga_verify_iload( drm_mga_private_t *dev_priv, + unsigned int dstorg, unsigned int length ) +{ + if ( dstorg < dev_priv->texture_offset || + dstorg + length > (dev_priv->texture_offset + + dev_priv->texture_size) ) { + DRM_ERROR( "*** bad iload DSTORG: 0x%x\n", dstorg ); + return DRM_ERR(EINVAL); + } + + if ( length & MGA_ILOAD_MASK ) { + DRM_ERROR( "*** bad iload length: 0x%x\n", + length & MGA_ILOAD_MASK ); + return DRM_ERR(EINVAL); + } + + return 0; +} + +static int mga_verify_blit( drm_mga_private_t *dev_priv, + unsigned int srcorg, unsigned int dstorg ) +{ + if ( (srcorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) || + (dstorg & 0x3) == (MGA_SRCACC_PCI | MGA_SRCMAP_SYSMEM) ) { + DRM_ERROR( "*** bad blit: src=0x%x dst=0x%x\n", + srcorg, dstorg ); + return DRM_ERR(EINVAL); + } + return 0; +} + + +/* ================================================================ + * + */ + +static void mga_dma_dispatch_clear( drm_device_t *dev, + drm_mga_clear_t *clear ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + int i; + DMA_LOCALS; + DRM_DEBUG( "\n" ); + + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x00007100, + MGA_DWGSYNC, 0x00007000 ); + + ADVANCE_DMA(); + + for ( i = 0 ; i < nbox ; i++ ) { + drm_clip_rect_t *box = &pbox[i]; + u32 height = box->y2 - box->y1; + + DRM_DEBUG( " from=%d,%d to=%d,%d\n", + box->x1, box->y1, box->x2, box->y2 ); + + if ( clear->flags & MGA_FRONT ) { + BEGIN_DMA( 2 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->color_mask, + MGA_YDSTLEN, (box->y1 << 16) | height, + MGA_FXBNDRY, (box->x2 << 16) | box->x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_color, + MGA_DSTORG, dev_priv->front_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + + ADVANCE_DMA(); + } + + + if ( clear->flags & MGA_BACK ) { + BEGIN_DMA( 2 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->color_mask, + MGA_YDSTLEN, (box->y1 << 16) | height, + MGA_FXBNDRY, (box->x2 << 16) | box->x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_color, + MGA_DSTORG, dev_priv->back_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + + ADVANCE_DMA(); + } + + if ( clear->flags & MGA_DEPTH ) { + BEGIN_DMA( 2 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, clear->depth_mask, + MGA_YDSTLEN, (box->y1 << 16) | height, + MGA_FXBNDRY, (box->x2 << 16) | box->x1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_FCOL, clear->clear_depth, + MGA_DSTORG, dev_priv->depth_offset, + MGA_DWGCTL + MGA_EXEC, + dev_priv->clear_cmd ); + + ADVANCE_DMA(); + } + + } + + BEGIN_DMA( 1 ); + + /* Force reset of DWGCTL */ + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_PLNWT, ctx->plnwt, + MGA_DWGCTL, ctx->dwgctl ); + + ADVANCE_DMA(); + + FLUSH_DMA(); +} + +static void mga_dma_dispatch_swap( drm_device_t *dev ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + int i; + DMA_LOCALS; + DRM_DEBUG( "\n" ); + + sarea_priv->last_frame.head = dev_priv->prim.tail; + sarea_priv->last_frame.wrap = dev_priv->prim.last_wrap; + + BEGIN_DMA( 4 + nbox ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x00007100, + MGA_DWGSYNC, 0x00007000 ); + + DMA_BLOCK( MGA_DSTORG, dev_priv->front_offset, + MGA_MACCESS, dev_priv->maccess, + MGA_SRCORG, dev_priv->back_offset, + MGA_AR5, dev_priv->front_pitch ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_PLNWT, 0xffffffff, + MGA_DWGCTL, MGA_DWGCTL_COPY ); + + for ( i = 0 ; i < nbox ; i++ ) { + drm_clip_rect_t *box = &pbox[i]; + u32 height = box->y2 - box->y1; + u32 start = box->y1 * dev_priv->front_pitch; + + DRM_DEBUG( " from=%d,%d to=%d,%d\n", + box->x1, box->y1, box->x2, box->y2 ); + + DMA_BLOCK( MGA_AR0, start + box->x2 - 1, + MGA_AR3, start + box->x1, + MGA_FXBNDRY, ((box->x2 - 1) << 16) | box->x1, + MGA_YDSTLEN + MGA_EXEC, + (box->y1 << 16) | height ); + } + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, ctx->plnwt, + MGA_SRCORG, dev_priv->front_offset, + MGA_DWGCTL, ctx->dwgctl ); + + ADVANCE_DMA(); + + FLUSH_DMA(); + + DRM_DEBUG( "%s... done.\n", __FUNCTION__ ); +} + +static void mga_dma_dispatch_vertex( drm_device_t *dev, drm_buf_t *buf ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + u32 address = (u32) buf->bus_address; + u32 length = (u32) buf->used; + int i = 0; + DMA_LOCALS; + DRM_DEBUG( "vertex: buf=%d used=%d\n", buf->idx, buf->used ); + + if ( buf->used ) { + buf_priv->dispatched = 1; + + MGA_EMIT_STATE( dev_priv, sarea_priv->dirty ); + + do { + if ( i < sarea_priv->nbox ) { + mga_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + } + + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SECADDRESS, (address | + MGA_DMA_VERTEX), + MGA_SECEND, ((address + length) | + MGA_PAGPXFER) ); + + ADVANCE_DMA(); + } while ( ++i < sarea_priv->nbox ); + } + + if ( buf_priv->discard ) { + AGE_BUFFER( buf_priv ); + buf->pending = 0; + buf->used = 0; + buf_priv->dispatched = 0; + + mga_freelist_put( dev, buf ); + } + + FLUSH_DMA(); +} + +static void mga_dma_dispatch_indices( drm_device_t *dev, drm_buf_t *buf, + unsigned int start, unsigned int end ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + u32 address = (u32) buf->bus_address; + int i = 0; + DMA_LOCALS; + DRM_DEBUG( "indices: buf=%d start=%d end=%d\n", buf->idx, start, end ); + + if ( start != end ) { + buf_priv->dispatched = 1; + + MGA_EMIT_STATE( dev_priv, sarea_priv->dirty ); + + do { + if ( i < sarea_priv->nbox ) { + mga_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + } + + BEGIN_DMA( 1 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_SETUPADDRESS, address + start, + MGA_SETUPEND, ((address + end) | + MGA_PAGPXFER) ); + + ADVANCE_DMA(); + } while ( ++i < sarea_priv->nbox ); + } + + if ( buf_priv->discard ) { + AGE_BUFFER( buf_priv ); + buf->pending = 0; + buf->used = 0; + buf_priv->dispatched = 0; + + mga_freelist_put( dev, buf ); + } + + FLUSH_DMA(); +} + +/* This copies a 64 byte aligned agp region to the frambuffer with a + * standard blit, the ioctl needs to do checking. + */ +static void mga_dma_dispatch_iload( drm_device_t *dev, drm_buf_t *buf, + unsigned int dstorg, unsigned int length ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_buf_priv_t *buf_priv = buf->dev_private; + drm_mga_context_regs_t *ctx = &dev_priv->sarea_priv->context_state; + u32 srcorg = buf->bus_address | MGA_SRCACC_AGP | MGA_SRCMAP_SYSMEM; + u32 y2; + DMA_LOCALS; + DRM_DEBUG( "buf=%d used=%d\n", buf->idx, buf->used ); + + y2 = length / 64; + + BEGIN_DMA( 5 ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x00007100, + MGA_DWGSYNC, 0x00007000 ); + + DMA_BLOCK( MGA_DSTORG, dstorg, + MGA_MACCESS, 0x00000000, + MGA_SRCORG, srcorg, + MGA_AR5, 64 ); + + DMA_BLOCK( MGA_PITCH, 64, + MGA_PLNWT, 0xffffffff, + MGA_DMAPAD, 0x00000000, + MGA_DWGCTL, MGA_DWGCTL_COPY ); + + DMA_BLOCK( MGA_AR0, 63, + MGA_AR3, 0, + MGA_FXBNDRY, (63 << 16) | 0, + MGA_YDSTLEN + MGA_EXEC, y2 ); + + DMA_BLOCK( MGA_PLNWT, ctx->plnwt, + MGA_SRCORG, dev_priv->front_offset, + MGA_PITCH, dev_priv->front_pitch, + MGA_DWGSYNC, 0x00007000 ); + + ADVANCE_DMA(); + + AGE_BUFFER( buf_priv ); + + buf->pending = 0; + buf->used = 0; + buf_priv->dispatched = 0; + + mga_freelist_put( dev, buf ); + + FLUSH_DMA(); +} + +static void mga_dma_dispatch_blit( drm_device_t *dev, + drm_mga_blit_t *blit ) +{ + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_context_regs_t *ctx = &sarea_priv->context_state; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int nbox = sarea_priv->nbox; + u32 scandir = 0, i; + DMA_LOCALS; + DRM_DEBUG( "\n" ); + + BEGIN_DMA( 4 + nbox ); + + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_DMAPAD, 0x00000000, + MGA_DWGSYNC, 0x00007100, + MGA_DWGSYNC, 0x00007000 ); + + DMA_BLOCK( MGA_DWGCTL, MGA_DWGCTL_COPY, + MGA_PLNWT, blit->planemask, + MGA_SRCORG, blit->srcorg, + MGA_DSTORG, blit->dstorg ); + + DMA_BLOCK( MGA_SGN, scandir, + MGA_MACCESS, dev_priv->maccess, + MGA_AR5, blit->ydir * blit->src_pitch, + MGA_PITCH, blit->dst_pitch ); + + for ( i = 0 ; i < nbox ; i++ ) { + int srcx = pbox[i].x1 + blit->delta_sx; + int srcy = pbox[i].y1 + blit->delta_sy; + int dstx = pbox[i].x1 + blit->delta_dx; + int dsty = pbox[i].y1 + blit->delta_dy; + int h = pbox[i].y2 - pbox[i].y1; + int w = pbox[i].x2 - pbox[i].x1 - 1; + int start; + + if ( blit->ydir == -1 ) { + srcy = blit->height - srcy - 1; + } + + start = srcy * blit->src_pitch + srcx; + + DMA_BLOCK( MGA_AR0, start + w, + MGA_AR3, start, + MGA_FXBNDRY, ((dstx + w) << 16) | (dstx & 0xffff), + MGA_YDSTLEN + MGA_EXEC, (dsty << 16) | h ); + } + + /* Do something to flush AGP? + */ + + /* Force reset of DWGCTL */ + DMA_BLOCK( MGA_DMAPAD, 0x00000000, + MGA_PLNWT, ctx->plnwt, + MGA_PITCH, dev_priv->front_pitch, + MGA_DWGCTL, ctx->dwgctl ); + + ADVANCE_DMA(); +} + + +/* ================================================================ + * + */ + +static int mga_dma_clear( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_clear_t clear; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( clear, (drm_mga_clear_t __user *)data, sizeof(clear) ); + + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_clear( dev, &clear ); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; + + return 0; +} + +static int mga_dma_swap( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_swap( dev ); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; + + return 0; +} + +static int mga_dma_vertex( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_vertex_t vertex; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( vertex, + (drm_mga_vertex_t __user *)data, + sizeof(vertex) ); + + if(vertex.idx < 0 || vertex.idx > dma->buf_count) return DRM_ERR(EINVAL); + buf = dma->buflist[vertex.idx]; + buf_priv = buf->dev_private; + + buf->used = vertex.used; + buf_priv->discard = vertex.discard; + + if ( !mga_verify_state( dev_priv ) ) { + if ( vertex.discard ) { + if ( buf_priv->dispatched == 1 ) + AGE_BUFFER( buf_priv ); + buf_priv->dispatched = 0; + mga_freelist_put( dev, buf ); + } + return DRM_ERR(EINVAL); + } + + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_vertex( dev, buf ); + + return 0; +} + +static int mga_dma_indices( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_indices_t indices; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( indices, + (drm_mga_indices_t __user *)data, + sizeof(indices) ); + + if(indices.idx < 0 || indices.idx > dma->buf_count) return DRM_ERR(EINVAL); + + buf = dma->buflist[indices.idx]; + buf_priv = buf->dev_private; + + buf_priv->discard = indices.discard; + + if ( !mga_verify_state( dev_priv ) ) { + if ( indices.discard ) { + if ( buf_priv->dispatched == 1 ) + AGE_BUFFER( buf_priv ); + buf_priv->dispatched = 0; + mga_freelist_put( dev, buf ); + } + return DRM_ERR(EINVAL); + } + + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_indices( dev, buf, indices.start, indices.end ); + + return 0; +} + +static int mga_dma_iload( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_device_dma_t *dma = dev->dma; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_buf_t *buf; + drm_mga_buf_priv_t *buf_priv; + drm_mga_iload_t iload; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( iload, (drm_mga_iload_t __user *)data, sizeof(iload) ); + +#if 0 + if ( mga_do_wait_for_idle( dev_priv ) < 0 ) { + if ( MGA_DMA_DEBUG ) + DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ ); + return DRM_ERR(EBUSY); + } +#endif + if(iload.idx < 0 || iload.idx > dma->buf_count) return DRM_ERR(EINVAL); + + buf = dma->buflist[iload.idx]; + buf_priv = buf->dev_private; + + if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) { + mga_freelist_put( dev, buf ); + return DRM_ERR(EINVAL); + } + + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length ); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; + + return 0; +} + +static int mga_dma_blit( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_mga_blit_t blit; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( blit, (drm_mga_blit_t __user *)data, sizeof(blit) ); + + if ( sarea_priv->nbox > MGA_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = MGA_NR_SAREA_CLIPRECTS; + + if ( mga_verify_blit( dev_priv, blit.srcorg, blit.dstorg ) ) + return DRM_ERR(EINVAL); + + WRAP_TEST_WITH_RETURN( dev_priv ); + + mga_dma_dispatch_blit( dev, &blit ); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT; + + return 0; +} + +static int mga_getparam( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_mga_private_t *dev_priv = dev->dev_private; + drm_mga_getparam_t param; + int value; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( param, (drm_mga_getparam_t __user *)data, + sizeof(param) ); + + DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID ); + + switch( param.param ) { + case MGA_PARAM_IRQ_NR: + value = dev->irq; + break; + default: + return DRM_ERR(EINVAL); + } + + if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return DRM_ERR(EFAULT); + } + + return 0; +} + +drm_ioctl_desc_t mga_ioctls[] = { + [DRM_IOCTL_NR(DRM_MGA_INIT)] = { mga_dma_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_MGA_FLUSH)] = { mga_dma_flush, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_RESET)] = { mga_dma_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_SWAP)] = { mga_dma_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_CLEAR)] = { mga_dma_clear, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_VERTEX)] = { mga_dma_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_INDICES)] = { mga_dma_indices, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_ILOAD)] = { mga_dma_iload, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_BLIT)] = { mga_dma_blit, 1, 0 }, + [DRM_IOCTL_NR(DRM_MGA_GETPARAM)]= { mga_getparam, 1, 0 }, +}; + +int mga_max_ioctl = DRM_ARRAY_SIZE(mga_ioctls); diff --git a/drivers/char/drm/mga_ucode.h b/drivers/char/drm/mga_ucode.h new file mode 100644 index 0000000..fa0f82e --- /dev/null +++ b/drivers/char/drm/mga_ucode.h @@ -0,0 +1,11645 @@ +/* mga_ucode.h -- Matrox G200/G400 WARP engine microcode -*- linux-c -*- + * Created: Thu Jan 11 21:20:43 2001 by gareth@valinux.com + * + * Copyright 1999 Matrox Graphics Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * MATROX GRAPHICS INC., OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Kernel-based WARP engine management: + * Gareth Hughes <gareth@valinux.com> + */ + +/* + * WARP pipes are named according to the functions they perform, where: + * + * - T stands for computation of texture stage 0 + * - T2 stands for computation of both texture stage 0 and texture stage 1 + * - G stands for computation of triangle intensity (Gouraud interpolation) + * - Z stands for computation of Z buffer interpolation + * - S stands for computation of specular highlight + * - A stands for computation of the alpha channel + * - F stands for computation of vertex fog interpolation + */ + +static unsigned char warp_g200_tgz[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x1F, 0xD7, 0x18, 0xBD, +0x3F, 0xD7, 0x22, 0xBD, + +0x81, 0x04, +0x89, 0x04, +0x01, 0x04, +0x09, 0x04, + +0xC9, 0x41, 0xC0, 0xEC, +0x11, 0x04, +0x00, 0xE0, + +0x41, 0xCC, 0x41, 0xCD, +0x49, 0xCC, 0x49, 0xCD, + +0xD1, 0x41, 0xC0, 0xEC, +0x51, 0xCC, 0x51, 0xCD, + +0x80, 0x04, +0x10, 0x04, +0x08, 0x04, +0x00, 0xE0, + +0x00, 0xCC, 0xC0, 0xCD, +0xD1, 0x49, 0xC0, 0xEC, + +0x8A, 0x1F, 0x20, 0xE9, +0x8B, 0x3F, 0x20, 0xE9, + +0x41, 0x3C, 0x41, 0xAD, +0x49, 0x3C, 0x49, 0xAD, + +0x10, 0xCC, 0x10, 0xCD, +0x08, 0xCC, 0x08, 0xCD, + +0xB9, 0x41, 0x49, 0xBB, +0x1F, 0xF0, 0x41, 0xCD, + +0x51, 0x3C, 0x51, 0xAD, +0x00, 0x98, 0x80, 0xE9, + +0x72, 0x80, 0x07, 0xEA, +0x24, 0x1F, 0x20, 0xE9, + +0x15, 0x41, 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0xBD, +0x2D, 0x41, 0x51, 0xBD, + +0x0D, 0x80, 0x07, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x35, 0x40, 0x48, 0xBD, +0x3D, 0x40, 0x50, 0xBD, + +0x00, 0x80, 0x00, 0xE8, +0x25, 0x30, +0x2D, 0x30, + +0x35, 0x30, +0xB5, 0x30, +0xBD, 0x30, +0x3D, 0x30, + +0x9C, 0xA7, 0x5B, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x84, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x82, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x7F, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgza[] = { + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, 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0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x72, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzs[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x98, 0xA0, 0xE9, +0x40, 0x40, 0xD8, 0xEC, + 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0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x62, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x60, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x5D, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g200_tgzsf[] = { + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 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+0x00, 0x80, 0x00, 0xE8, + +0x67, 0xFF, 0x0A, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0xC9, 0x41, 0xC8, 0xEC, +0x42, 0xE1, +0x00, 0xE0, + +0x65, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0xC8, 0x40, 0xC0, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x62, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0x00, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +}; + +static unsigned char warp_g400_t2gz[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x78, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x0E, 0x61, 0x60, 0xEA, + +0x32, 0x40, 0x50, 0xBD, +0x22, 0x40, 0x60, 0xBD, + +0x12, 0x41, 0x51, 0xBD, +0x3A, 0x41, 0x61, 0xBD, + +0xBF, 0x2F, 0x0E, 0xBD, +0x97, 0xE2, +0x7B, 0x72, + +0x32, 0x20, +0x22, 0x20, +0x12, 0x20, +0x3A, 0x20, + +0x35, 0x48, 0xB1, 0xE8, +0x3D, 0x59, 0xB1, 0xE8, + +0x46, 0x31, 0x46, 0xBF, +0x56, 0x31, 0x56, 0xBF, + +0xB3, 0xE2, 0x2D, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x66, 0x31, 0x66, 0xBF, +0x47, 0x39, 0x47, 0xBF, + +0x57, 0x39, 0x57, 0xBF, +0x67, 0x39, 0x67, 0xBF, + +0x69, 0x80, 0x07, 0xEA, +0x24, 0x41, 0x20, 0xE9, + +0x35, 0x00, +0x3D, 0x00, +0x00, 0xE0, +0x2D, 0x73, + +0x33, 0x72, +0x0C, 0xE3, +0x8D, 0x2F, 0x1E, 0xBD, + +0x43, 0x75, 0xF8, 0xEC, +0x35, 0x20, +0x3D, 0x20, + +0x43, 0x43, 0x2D, 0xDF, +0x53, 0x53, 0x2D, 0xDF, + +0xAE, 0x1E, 0x0E, 0xBD, +0x58, 0xE3, +0x33, 0x66, + +0x48, 0x35, 0x48, 0xBF, +0x58, 0x35, 0x58, 0xBF, + +0x68, 0x35, 0x68, 0xBF, +0x49, 0x3D, 0x49, 0xBF, + +0x59, 0x3D, 0x59, 0xBF, +0x69, 0x3D, 0x69, 0xBF, + +0x63, 0x63, 0x2D, 0xDF, +0x4D, 0x7D, 0xF8, 0xEC, + +0x59, 0xE3, +0x00, 0xE0, +0xB8, 0x38, 0x33, 0xBF, + +0x2D, 0x73, +0x30, 0x76, +0x18, 0x3A, 0x41, 0xE9, + +0x3F, 0x53, 0xA0, 0xE8, +0x05, 0x80, 0x3D, 0xEA, + +0x37, 0x43, 0xA0, 0xE8, +0x3D, 0x63, 0xA0, 0xE8, + +0x50, 0x70, 0xF8, 0xEC, +0x2B, 0x50, 0x3C, 0xE9, + +0x1F, 0x0F, 0xBC, 0xE8, +0x00, 0x80, 0x00, 0xE8, + +0x59, 0x78, 0xF8, 0xEC, +0x00, 0x80, 0x00, 0xE8, + +0x15, 0xC0, 0x20, 0xE9, +0x15, 0xC0, 0x20, 0xE9, + +0x15, 0xC0, 0x20, 0xE9, +0x15, 0xC0, 0x20, 0xE9, + +0x1E, 0x12, 0x41, 0xE9, +0x1A, 0x22, 0x41, 0xE9, + +0x46, 0x37, 0x46, 0xDF, +0x56, 0x3F, 0x56, 0xDF, + +0x2B, 0x40, 0x3D, 0xE9, +0x66, 0x3D, 0x66, 0xDF, + +0x1D, 0x32, 0x41, 0xE9, +0x67, 0x3D, 0x67, 0xDF, + +0x47, 0x37, 0x47, 0xDF, +0x57, 0x3F, 0x57, 0xDF, + +0x2A, 0x40, 0x20, 0xE9, +0x59, 0x3F, 0x59, 0xDF, + +0x16, 0x30, 0x20, 0xE9, +0x69, 0x3D, 0x69, 0xDF, + +0x48, 0x37, 0x48, 0xDF, +0x58, 0x3F, 0x58, 0xDF, + +0x12, 0x12, 0x2D, 0xDF, +0x22, 0x22, 0x2D, 0xDF, + +0x32, 0x32, 0x2D, 0xDF, +0x3A, 0x3A, 0x2D, 0xDF, + +0x68, 0x3D, 0x68, 0xDF, +0x49, 0x37, 0x49, 0xDF, + +0x3D, 0xCF, 0x74, 0xC0, +0x37, 0xCF, 0x74, 0xC4, + +0x31, 0x53, 0x2F, 0x9F, +0x34, 0x80, 0x20, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x3C, 0x3D, 0x20, 0xE9, + +0x0A, 0x44, 0x54, 0xB0, +0x02, 0x44, 0x64, 0xB0, + +0x2A, 0x44, 0x54, 0xB2, +0x1A, 0x44, 0x64, 0xB2, + +0x25, 0x80, 0x3A, 0xEA, +0x0A, 0x20, +0x02, 0x20, + +0x3D, 0xCF, 0x74, 0xC2, +0x2A, 0x20, +0x1A, 0x20, + +0x30, 0x50, 0x2E, 0x9F, +0x32, 0x31, 0x5F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x33, 0x39, 0x5F, 0xE9, + +0x31, 0x53, 0x2F, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x2A, 0x44, 0x54, 0xB4, +0x1A, 0x44, 0x64, 0xB4, + +0x39, 0xE5, 0x2C, 0x9F, +0x38, 0x3D, 0x20, 0xE9, + +0x88, 0x73, 0x5E, 0xE9, +0x2A, 0x20, +0x1A, 0x20, + +0x2A, 0x46, 0x56, 0xBF, +0x1A, 0x46, 0x66, 0xBF, + +0x31, 0x53, 0x2F, 0x9F, +0x3E, 0x30, 0x4F, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x3F, 0x38, 0x4F, 0xE9, + +0x0A, 0x47, 0x57, 0xBF, +0x02, 0x47, 0x67, 0xBF, + +0x31, 0x53, 0x2F, 0x9F, +0x3A, 0x31, 0x4F, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x3B, 0x39, 0x4F, 0xE9, + +0x2A, 0x43, 0x53, 0xBF, +0x1A, 0x43, 0x63, 0xBF, + +0x30, 0x50, 0x2E, 0x9F, +0x36, 0x31, 0x4F, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x37, 0x39, 0x4F, 0xE9, + +0x0A, 0x48, 0x58, 0xBF, +0x02, 0x48, 0x68, 0xBF, + +0x31, 0x53, 0x2F, 0x9F, +0x80, 0x31, 0x57, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x81, 0x39, 0x57, 0xE9, + +0x2A, 0x49, 0x59, 0xBF, +0x1A, 0x49, 0x69, 0xBF, + +0x30, 0x50, 0x2E, 0x9F, +0x82, 0x30, 0x57, 0xE9, + +0x38, 0x21, 0x2C, 0x9F, +0x83, 0x38, 0x57, 0xE9, + +0x31, 0x53, 0x2F, 0x9F, +0x84, 0x31, 0x5E, 0xE9, + +0x39, 0xE5, 0x2C, 0x9F, +0x85, 0x39, 0x5E, 0xE9, + +0x86, 0x76, 0x57, 0xE9, +0x8A, 0x36, 0x20, 0xE9, + +0x87, 0x77, 0x57, 0xE9, +0x8B, 0x3E, 0xBF, 0xEA, + +0x80, 0x30, 0x57, 0xE9, +0x81, 0x38, 0x57, 0xE9, + +0x82, 0x31, 0x57, 0xE9, +0x86, 0x78, 0x57, 0xE9, + +0x83, 0x39, 0x57, 0xE9, +0x87, 0x79, 0x57, 0xE9, + +0x30, 0x1F, 0x5F, 0xE9, +0x8A, 0x34, 0x20, 0xE9, + +0x8B, 0x3C, 0x20, 0xE9, +0x37, 0x50, 0x60, 0xBD, + +0x57, 0x0D, 0x20, 0xE9, +0x35, 0x51, 0x61, 0xBD, + +0x2B, 0x50, 0x20, 0xE9, +0x1D, 0x37, 0xE1, 0xEA, + +0x1E, 0x35, 0xE1, 0xEA, +0x00, 0xE0, +0x0E, 0x77, + +0x24, 0x51, 0x20, 0xE9, +0x9F, 0xFF, 0x20, 0xEA, + +0x16, 0x0E, 0x20, 0xE9, +0x57, 0x2E, 0xBF, 0xEA, + +0x0B, 0x46, 0xA0, 0xE8, +0x1B, 0x56, 0xA0, 0xE8, + +0x2B, 0x66, 0xA0, 0xE8, +0x0C, 0x47, 0xA0, 0xE8, + +0x1C, 0x57, 0xA0, 0xE8, +0x2C, 0x67, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x57, 0x80, 0x57, 0xCF, + +0x66, 0x33, 0x66, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x67, 0x3B, 0x67, 0xCF, + +0x0B, 0x48, 0xA0, 0xE8, +0x1B, 0x58, 0xA0, 0xE8, + +0x2B, 0x68, 0xA0, 0xE8, +0x0C, 0x49, 0xA0, 0xE8, + +0x1C, 0x59, 0xA0, 0xE8, +0x2C, 0x69, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xBE, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x7D, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gza[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x7C, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x0E, 0x61, 0x60, 0xEA, + +0x32, 0x40, 0x50, 0xBD, +0x22, 0x40, 0x60, 0xBD, + +0x12, 0x41, 0x51, 0xBD, +0x3A, 0x41, 0x61, 0xBD, + +0xBF, 0x2F, 0x0E, 0xBD, +0x97, 0xE2, +0x7B, 0x72, + +0x32, 0x20, +0x22, 0x20, +0x12, 0x20, +0x3A, 0x20, + +0x35, 0x48, 0xB1, 0xE8, +0x3D, 0x59, 0xB1, 0xE8, + +0x46, 0x31, 0x46, 0xBF, +0x56, 0x31, 0x56, 0xBF, + +0xB3, 0xE2, 0x2D, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x66, 0x31, 0x66, 0xBF, +0x47, 0x39, 0x47, 0xBF, + +0x57, 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0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xBA, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x79, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_t2gzaf[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x81, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x0E, 0x61, 0x60, 0xEA, + +0x32, 0x40, 0x50, 0xBD, +0x22, 0x40, 0x60, 0xBD, + +0x12, 0x41, 0x51, 0xBD, +0x3A, 0x41, 0x61, 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unsigned char warp_g400_t2gzsf[] = { + +0x00, 0x8A, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x0A, 0x40, 0x50, 0xBF, +0x2A, 0x40, 0x60, 0xBF, + +0x32, 0x41, 0x51, 0xBF, +0x3A, 0x41, 0x61, 0xBF, + +0xC3, 0x6B, +0xD3, 0x6B, +0x00, 0x8A, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x53, 0xA0, 0xE8, + +0xAD, 0xEE, 0x23, 0x9F, +0x00, 0xE0, +0x51, 0x04, + +0x90, 0xE2, +0x61, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x51, 0x41, 0xE0, 0xEC, +0x39, 0x67, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x63, 0xA0, 0xE8, + +0x61, 0x41, 0xE0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x8A, 0x80, 0x15, 0xEA, +0x10, 0x04, +0x20, 0x04, + +0x61, 0x51, 0xE0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x52, 0xBF, +0x0F, 0x52, 0xA0, 0xE8, + +0x1A, 0x42, 0x62, 0xBF, +0x1E, 0x51, 0x60, 0xEA, + +0x73, 0x7B, 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0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x67, 0x3B, 0x67, 0xCF, + +0x0B, 0x48, 0xA0, 0xE8, +0x1B, 0x58, 0xA0, 0xE8, + +0x2B, 0x68, 0xA0, 0xE8, +0x0C, 0x49, 0xA0, 0xE8, + +0x1C, 0x59, 0xA0, 0xE8, +0x2C, 0x69, 0xA0, 0xE8, + +0x0B, 0x00, +0x1B, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x0C, 0x00, +0x1C, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x0B, 0x65, +0x1B, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x0C, 0x65, +0x1C, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x0B, 0x1B, 0x60, 0xEC, +0x34, 0xD7, 0x34, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x0C, 0x1C, 0x60, 0xEC, + +0x3C, 0xD7, 0x3C, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x0B, 0x2B, 0xDE, 0xE8, +0x1B, 0x80, 0xDE, 0xE8, + +0x34, 0x80, 0x34, 0xBD, +0x3C, 0x80, 0x3C, 0xBD, + +0x33, 0xD7, 0x0B, 0xBD, +0x3B, 0xD7, 0x1B, 0xBD, + +0x48, 0x80, 0x48, 0xCF, +0x59, 0x80, 0x59, 0xCF, + +0x68, 0x33, 0x68, 0xCF, +0x49, 0x3B, 0x49, 0xCF, + +0xAD, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x58, 0x33, 0x58, 0xCF, +0x69, 0x3B, 0x69, 0xCF, + +0x6B, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgz[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x58, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, 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0x50, 0xBD, +0x8A, 0x36, 0x20, 0xE9, + +0x86, 0x76, 0x57, 0xE9, +0x8B, 0x3E, 0x20, 0xE9, + +0x82, 0x30, 0x57, 0xE9, +0x87, 0x77, 0x57, 0xE9, + +0x83, 0x38, 0x57, 0xE9, +0x35, 0x49, 0x51, 0xBD, + +0x84, 0x31, 0x5E, 0xE9, +0x30, 0x1F, 0x5F, 0xE9, + +0x85, 0x39, 0x5E, 0xE9, +0x57, 0x25, 0x20, 0xE9, + +0x2B, 0x48, 0x20, 0xE9, +0x1D, 0x37, 0xE1, 0xEA, + +0x1E, 0x35, 0xE1, 0xEA, +0x00, 0xE0, +0x26, 0x77, + +0x24, 0x49, 0x20, 0xE9, +0xAF, 0xFF, 0x20, 0xEA, + +0x16, 0x26, 0x20, 0xE9, +0x57, 0x2E, 0xBF, 0xEA, + +0x1C, 0x46, 0xA0, 0xE8, +0x23, 0x4E, 0xA0, 0xE8, + +0x2B, 0x56, 0xA0, 0xE8, +0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD6, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x9D, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgza[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, 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+0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x99, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzaf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x61, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + 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+0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x5D, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, 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0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xD3, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x98, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzs[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + 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+0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xCA, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x90, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzsa[] = { + +0x00, 0x88, 0x98, 0xE9, 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+ +0x84, 0x31, 0x5E, 0xE9, +0x30, 0x1F, 0x5F, 0xE9, + +0x85, 0x39, 0x5E, 0xE9, +0x57, 0x25, 0x20, 0xE9, + +0x2B, 0x48, 0x20, 0xE9, +0x1D, 0x37, 0xE1, 0xEA, + +0x1E, 0x35, 0xE1, 0xEA, +0x00, 0xE0, +0x26, 0x77, + +0x24, 0x49, 0x20, 0xE9, +0x9D, 0xFF, 0x20, 0xEA, + +0x16, 0x26, 0x20, 0xE9, +0x57, 0x2E, 0xBF, 0xEA, + +0x1C, 0x46, 0xA0, 0xE8, +0x23, 0x4E, 0xA0, 0xE8, + +0x2B, 0x56, 0xA0, 0xE8, +0x1D, 0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xC5, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x8B, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzsaf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +0xFF, 0x80, 0xC0, 0xE9, +0x00, 0x80, 0x00, 0xE8, + +0x22, 0x40, 0x48, 0xBF, +0x2A, 0x40, 0x50, 0xBF, + +0x32, 0x41, 0x49, 0xBF, +0x3A, 0x41, 0x51, 0xBF, + +0xC3, 0x6B, +0xCB, 0x6B, +0x00, 0x88, 0x98, 0xE9, + +0x73, 0x7B, 0xC8, 0xEC, +0x96, 0xE2, +0x41, 0x04, + +0x7B, 0x43, 0xA0, 0xE8, +0x73, 0x4B, 0xA0, 0xE8, + +0xAD, 0xEE, 0x29, 0x9F, +0x00, 0xE0, +0x49, 0x04, + +0x90, 0xE2, +0x51, 0x04, +0x31, 0x46, 0xB1, 0xE8, + +0x49, 0x41, 0xC0, 0xEC, +0x39, 0x57, 0xB1, 0xE8, + +0x00, 0x04, +0x46, 0xE2, +0x73, 0x53, 0xA0, 0xE8, + +0x51, 0x41, 0xC0, 0xEC, +0x31, 0x00, +0x39, 0x00, + +0x6E, 0x80, 0x15, 0xEA, +0x08, 0x04, +0x10, 0x04, + +0x51, 0x49, 0xC0, 0xEC, +0x2F, 0x41, 0x60, 0xEA, + +0x31, 0x20, +0x39, 0x20, +0x1F, 0x42, 0xA0, 0xE8, + +0x2A, 0x42, 0x4A, 0xBF, +0x27, 0x4A, 0xA0, 0xE8, + +0x1A, 0x42, 0x52, 0xBF, +0x1E, 0x49, 0x60, 0xEA, + +0x73, 0x7B, 0xC8, 0xEC, +0x26, 0x51, 0x60, 0xEA, + +0x32, 0x40, 0x48, 0xBD, +0x22, 0x40, 0x50, 0xBD, + +0x12, 0x41, 0x49, 0xBD, +0x3A, 0x41, 0x51, 0xBD, + +0xBF, 0x2F, 0x26, 0xBD, +0x00, 0xE0, +0x7B, 0x72, + +0x32, 0x20, +0x22, 0x20, +0x12, 0x20, +0x3A, 0x20, + +0x46, 0x31, 0x46, 0xBF, +0x4E, 0x31, 0x4E, 0xBF, + +0xB3, 0xE2, 0x2D, 0x9F, +0x00, 0x80, 0x00, 0xE8, + +0x56, 0x31, 0x56, 0xBF, +0x47, 0x39, 0x47, 0xBF, + +0x4F, 0x39, 0x4F, 0xBF, +0x57, 0x39, 0x57, 0xBF, + +0x60, 0x80, 0x07, 0xEA, +0x24, 0x41, 0x20, 0xE9, + +0x42, 0x73, 0xF8, 0xEC, +0x00, 0xE0, +0x2D, 0x73, + +0x33, 0x72, +0x0C, 0xE3, +0xA5, 0x2F, 0x1E, 0xBD, + +0x43, 0x43, 0x2D, 0xDF, +0x4B, 0x4B, 0x2D, 0xDF, + +0xAE, 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0x47, 0xA0, 0xE8, + +0x24, 0x4F, 0xA0, 0xE8, +0x2C, 0x57, 0xA0, 0xE8, + +0x1C, 0x00, +0x23, 0x00, +0x2B, 0x00, +0x00, 0xE0, + +0x1D, 0x00, +0x24, 0x00, +0x2C, 0x00, +0x00, 0xE0, + +0x1C, 0x65, +0x23, 0x65, +0x2B, 0x65, +0x00, 0xE0, + +0x1D, 0x65, +0x24, 0x65, +0x2C, 0x65, +0x00, 0xE0, + +0x1C, 0x23, 0x60, 0xEC, +0x36, 0xD7, 0x36, 0xAD, + +0x2B, 0x80, 0x60, 0xEC, +0x1D, 0x24, 0x60, 0xEC, + +0x3E, 0xD7, 0x3E, 0xAD, +0x2C, 0x80, 0x60, 0xEC, + +0x1C, 0x2B, 0xDE, 0xE8, +0x23, 0x80, 0xDE, 0xE8, + +0x36, 0x80, 0x36, 0xBD, +0x3E, 0x80, 0x3E, 0xBD, + +0x33, 0xD7, 0x1C, 0xBD, +0x3B, 0xD7, 0x23, 0xBD, + +0x46, 0x80, 0x46, 0xCF, +0x4F, 0x80, 0x4F, 0xCF, + +0x56, 0x33, 0x56, 0xCF, +0x47, 0x3B, 0x47, 0xCF, + +0xC1, 0xFF, 0x20, 0xEA, +0x00, 0x80, 0x00, 0xE8, + +0x4E, 0x33, 0x4E, 0xCF, +0x57, 0x3B, 0x57, 0xCF, + +0x87, 0xFF, 0x20, 0xEA, +0x57, 0xC0, 0xBF, 0xEA, + +0x00, 0x80, 0xA0, 0xE9, +0x00, 0x00, 0xD8, 0xEC, + +}; + +static unsigned char warp_g400_tgzsf[] = { + +0x00, 0x88, 0x98, 0xE9, +0x00, 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merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "mga_drm.h" +#include "mga_drv.h" +#include "mga_ucode.h" + + +#define MGA_WARP_CODE_ALIGN 256 /* in bytes */ + +#define WARP_UCODE_SIZE( which ) \ + ((sizeof(which) / MGA_WARP_CODE_ALIGN + 1) * MGA_WARP_CODE_ALIGN) + +#define WARP_UCODE_INSTALL( which, where ) \ +do { \ + DRM_DEBUG( " pcbase = 0x%08lx vcbase = %p\n", pcbase, vcbase );\ + dev_priv->warp_pipe_phys[where] = pcbase; \ + memcpy( vcbase, which, sizeof(which) ); \ + pcbase += WARP_UCODE_SIZE( which ); \ + vcbase += WARP_UCODE_SIZE( which ); \ +} while (0) + + +static unsigned int mga_warp_g400_microcode_size( drm_mga_private_t *dev_priv ) +{ + unsigned int size; + + size = ( WARP_UCODE_SIZE( warp_g400_tgz ) + + WARP_UCODE_SIZE( warp_g400_tgza ) + + WARP_UCODE_SIZE( warp_g400_tgzaf ) + + WARP_UCODE_SIZE( warp_g400_tgzf ) + + WARP_UCODE_SIZE( warp_g400_tgzs ) + + WARP_UCODE_SIZE( warp_g400_tgzsa ) + + WARP_UCODE_SIZE( warp_g400_tgzsaf ) + + WARP_UCODE_SIZE( warp_g400_tgzsf ) + + WARP_UCODE_SIZE( warp_g400_t2gz ) + + WARP_UCODE_SIZE( warp_g400_t2gza ) + + WARP_UCODE_SIZE( warp_g400_t2gzaf ) + + WARP_UCODE_SIZE( warp_g400_t2gzf ) + + WARP_UCODE_SIZE( warp_g400_t2gzs ) + + WARP_UCODE_SIZE( warp_g400_t2gzsa ) + + WARP_UCODE_SIZE( warp_g400_t2gzsaf ) + + WARP_UCODE_SIZE( warp_g400_t2gzsf ) ); + + size = PAGE_ALIGN( size ); + + DRM_DEBUG( "G400 ucode size = %d bytes\n", size ); + return size; +} + +static unsigned int mga_warp_g200_microcode_size( drm_mga_private_t *dev_priv ) +{ + unsigned int size; + + size = ( WARP_UCODE_SIZE( warp_g200_tgz ) + + WARP_UCODE_SIZE( warp_g200_tgza ) + + WARP_UCODE_SIZE( warp_g200_tgzaf ) + + WARP_UCODE_SIZE( warp_g200_tgzf ) + + WARP_UCODE_SIZE( warp_g200_tgzs ) + + WARP_UCODE_SIZE( warp_g200_tgzsa ) + + WARP_UCODE_SIZE( warp_g200_tgzsaf ) + + WARP_UCODE_SIZE( warp_g200_tgzsf ) ); + + size = PAGE_ALIGN( size ); + + DRM_DEBUG( "G200 ucode size = %d bytes\n", size ); + return size; +} + +static int mga_warp_install_g400_microcode( drm_mga_private_t *dev_priv ) +{ + unsigned char *vcbase = dev_priv->warp->handle; + unsigned long pcbase = dev_priv->warp->offset; + unsigned int size; + + size = mga_warp_g400_microcode_size( dev_priv ); + if ( size > dev_priv->warp->size ) { + DRM_ERROR( "microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size ); + return DRM_ERR(ENOMEM); + } + + memset( dev_priv->warp_pipe_phys, 0, + sizeof(dev_priv->warp_pipe_phys) ); + + WARP_UCODE_INSTALL( warp_g400_tgz, MGA_WARP_TGZ ); + WARP_UCODE_INSTALL( warp_g400_tgzf, MGA_WARP_TGZF ); + WARP_UCODE_INSTALL( warp_g400_tgza, MGA_WARP_TGZA ); + WARP_UCODE_INSTALL( warp_g400_tgzaf, MGA_WARP_TGZAF ); + WARP_UCODE_INSTALL( warp_g400_tgzs, MGA_WARP_TGZS ); + WARP_UCODE_INSTALL( warp_g400_tgzsf, MGA_WARP_TGZSF ); + WARP_UCODE_INSTALL( warp_g400_tgzsa, MGA_WARP_TGZSA ); + WARP_UCODE_INSTALL( warp_g400_tgzsaf, MGA_WARP_TGZSAF ); + + WARP_UCODE_INSTALL( warp_g400_t2gz, MGA_WARP_T2GZ ); + WARP_UCODE_INSTALL( warp_g400_t2gzf, MGA_WARP_T2GZF ); + WARP_UCODE_INSTALL( warp_g400_t2gza, MGA_WARP_T2GZA ); + WARP_UCODE_INSTALL( warp_g400_t2gzaf, MGA_WARP_T2GZAF ); + WARP_UCODE_INSTALL( warp_g400_t2gzs, MGA_WARP_T2GZS ); + WARP_UCODE_INSTALL( warp_g400_t2gzsf, MGA_WARP_T2GZSF ); + WARP_UCODE_INSTALL( warp_g400_t2gzsa, MGA_WARP_T2GZSA ); + WARP_UCODE_INSTALL( warp_g400_t2gzsaf, MGA_WARP_T2GZSAF ); + + return 0; +} + +static int mga_warp_install_g200_microcode( drm_mga_private_t *dev_priv ) +{ + unsigned char *vcbase = dev_priv->warp->handle; + unsigned long pcbase = dev_priv->warp->offset; + unsigned int size; + + size = mga_warp_g200_microcode_size( dev_priv ); + if ( size > dev_priv->warp->size ) { + DRM_ERROR( "microcode too large! (%u > %lu)\n", + size, dev_priv->warp->size ); + return DRM_ERR(ENOMEM); + } + + memset( dev_priv->warp_pipe_phys, 0, + sizeof(dev_priv->warp_pipe_phys) ); + + WARP_UCODE_INSTALL( warp_g200_tgz, MGA_WARP_TGZ ); + WARP_UCODE_INSTALL( warp_g200_tgzf, MGA_WARP_TGZF ); + WARP_UCODE_INSTALL( warp_g200_tgza, MGA_WARP_TGZA ); + WARP_UCODE_INSTALL( warp_g200_tgzaf, MGA_WARP_TGZAF ); + WARP_UCODE_INSTALL( warp_g200_tgzs, MGA_WARP_TGZS ); + WARP_UCODE_INSTALL( warp_g200_tgzsf, MGA_WARP_TGZSF ); + WARP_UCODE_INSTALL( warp_g200_tgzsa, MGA_WARP_TGZSA ); + WARP_UCODE_INSTALL( warp_g200_tgzsaf, MGA_WARP_TGZSAF ); + + return 0; +} + +int mga_warp_install_microcode( drm_mga_private_t *dev_priv ) +{ + switch ( dev_priv->chipset ) { + case MGA_CARD_TYPE_G400: + return mga_warp_install_g400_microcode( dev_priv ); + case MGA_CARD_TYPE_G200: + return mga_warp_install_g200_microcode( dev_priv ); + default: + return DRM_ERR(EINVAL); + } +} + +#define WMISC_EXPECTED (MGA_WUCODECACHE_ENABLE | MGA_WMASTER_ENABLE) + +int mga_warp_init( drm_mga_private_t *dev_priv ) +{ + u32 wmisc; + + /* FIXME: Get rid of these damned magic numbers... + */ + switch ( dev_priv->chipset ) { + case MGA_CARD_TYPE_G400: + MGA_WRITE( MGA_WIADDR2, MGA_WMODE_SUSPEND ); + MGA_WRITE( MGA_WGETMSB, 0x00000E00 ); + MGA_WRITE( MGA_WVRTXSZ, 0x00001807 ); + MGA_WRITE( MGA_WACCEPTSEQ, 0x18000000 ); + break; + case MGA_CARD_TYPE_G200: + MGA_WRITE( MGA_WIADDR, MGA_WMODE_SUSPEND ); + MGA_WRITE( MGA_WGETMSB, 0x1606 ); + MGA_WRITE( MGA_WVRTXSZ, 7 ); + break; + default: + return DRM_ERR(EINVAL); + } + + MGA_WRITE( MGA_WMISC, (MGA_WUCODECACHE_ENABLE | + MGA_WMASTER_ENABLE | + MGA_WCACHEFLUSH_ENABLE) ); + wmisc = MGA_READ( MGA_WMISC ); + if ( wmisc != WMISC_EXPECTED ) { + DRM_ERROR( "WARP engine config failed! 0x%x != 0x%x\n", + wmisc, WMISC_EXPECTED ); + return DRM_ERR(EINVAL); + } + + return 0; +} diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c new file mode 100644 index 0000000..08ed8d0 --- /dev/null +++ b/drivers/char/drm/r128_cce.c @@ -0,0 +1,943 @@ +/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*- + * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com + * + * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "r128_drm.h" +#include "r128_drv.h" + +#define R128_FIFO_DEBUG 0 + +/* CCE microcode (from ATI) */ +static u32 r128_cce_microcode[] = { + 0, 276838400, 0, 268449792, 2, 142, 2, 145, 0, 1076765731, 0, + 1617039951, 0, 774592877, 0, 1987540286, 0, 2307490946U, 0, + 599558925, 0, 589505315, 0, 596487092, 0, 589505315, 1, + 11544576, 1, 206848, 1, 311296, 1, 198656, 2, 912273422, 11, + 262144, 0, 0, 1, 33559837, 1, 7438, 1, 14809, 1, 6615, 12, 28, + 1, 6614, 12, 28, 2, 23, 11, 18874368, 0, 16790922, 1, 409600, 9, + 30, 1, 147854772, 16, 420483072, 3, 8192, 0, 10240, 1, 198656, + 1, 15630, 1, 51200, 10, 34858, 9, 42, 1, 33559823, 2, 10276, 1, + 15717, 1, 15718, 2, 43, 1, 15936948, 1, 570480831, 1, 14715071, + 12, 322123831, 1, 33953125, 12, 55, 1, 33559908, 1, 15718, 2, + 46, 4, 2099258, 1, 526336, 1, 442623, 4, 4194365, 1, 509952, 1, + 459007, 3, 0, 12, 92, 2, 46, 12, 176, 1, 15734, 1, 206848, 1, + 18432, 1, 133120, 1, 100670734, 1, 149504, 1, 165888, 1, + 15975928, 1, 1048576, 6, 3145806, 1, 15715, 16, 2150645232U, 2, + 268449859, 2, 10307, 12, 176, 1, 15734, 1, 15735, 1, 15630, 1, + 15631, 1, 5253120, 6, 3145810, 16, 2150645232U, 1, 15864, 2, 82, + 1, 343310, 1, 1064207, 2, 3145813, 1, 15728, 1, 7817, 1, 15729, + 3, 15730, 12, 92, 2, 98, 1, 16168, 1, 16167, 1, 16002, 1, 16008, + 1, 15974, 1, 15975, 1, 15990, 1, 15976, 1, 15977, 1, 15980, 0, + 15981, 1, 10240, 1, 5253120, 1, 15720, 1, 198656, 6, 110, 1, + 180224, 1, 103824738, 2, 112, 2, 3145839, 0, 536885440, 1, + 114880, 14, 125, 12, 206975, 1, 33559995, 12, 198784, 0, + 33570236, 1, 15803, 0, 15804, 3, 294912, 1, 294912, 3, 442370, + 1, 11544576, 0, 811612160, 1, 12593152, 1, 11536384, 1, + 14024704, 7, 310382726, 0, 10240, 1, 14796, 1, 14797, 1, 14793, + 1, 14794, 0, 14795, 1, 268679168, 1, 9437184, 1, 268449792, 1, + 198656, 1, 9452827, 1, 1075854602, 1, 1075854603, 1, 557056, 1, + 114880, 14, 159, 12, 198784, 1, 1109409213, 12, 198783, 1, + 1107312059, 12, 198784, 1, 1109409212, 2, 162, 1, 1075854781, 1, + 1073757627, 1, 1075854780, 1, 540672, 1, 10485760, 6, 3145894, + 16, 274741248, 9, 168, 3, 4194304, 3, 4209949, 0, 0, 0, 256, 14, + 174, 1, 114857, 1, 33560007, 12, 176, 0, 10240, 1, 114858, 1, + 33560018, 1, 114857, 3, 33560007, 1, 16008, 1, 114874, 1, + 33560360, 1, 114875, 1, 33560154, 0, 15963, 0, 256, 0, 4096, 1, + 409611, 9, 188, 0, 10240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 +}; + +static int R128_READ_PLL(drm_device_t *dev, int addr) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + + R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f); + return R128_READ(R128_CLOCK_CNTL_DATA); +} + +#if R128_FIFO_DEBUG +static void r128_status( drm_r128_private_t *dev_priv ) +{ + printk( "GUI_STAT = 0x%08x\n", + (unsigned int)R128_READ( R128_GUI_STAT ) ); + printk( "PM4_STAT = 0x%08x\n", + (unsigned int)R128_READ( R128_PM4_STAT ) ); + printk( "PM4_BUFFER_DL_WPTR = 0x%08x\n", + (unsigned int)R128_READ( R128_PM4_BUFFER_DL_WPTR ) ); + printk( "PM4_BUFFER_DL_RPTR = 0x%08x\n", + (unsigned int)R128_READ( R128_PM4_BUFFER_DL_RPTR ) ); + printk( "PM4_MICRO_CNTL = 0x%08x\n", + (unsigned int)R128_READ( R128_PM4_MICRO_CNTL ) ); + printk( "PM4_BUFFER_CNTL = 0x%08x\n", + (unsigned int)R128_READ( R128_PM4_BUFFER_CNTL ) ); +} +#endif + + +/* ================================================================ + * Engine, FIFO control + */ + +static int r128_do_pixcache_flush( drm_r128_private_t *dev_priv ) +{ + u32 tmp; + int i; + + tmp = R128_READ( R128_PC_NGUI_CTLSTAT ) | R128_PC_FLUSH_ALL; + R128_WRITE( R128_PC_NGUI_CTLSTAT, tmp ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + if ( !(R128_READ( R128_PC_NGUI_CTLSTAT ) & R128_PC_BUSY) ) { + return 0; + } + DRM_UDELAY( 1 ); + } + +#if R128_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); +#endif + return DRM_ERR(EBUSY); +} + +static int r128_do_wait_for_fifo( drm_r128_private_t *dev_priv, int entries ) +{ + int i; + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + int slots = R128_READ( R128_GUI_STAT ) & R128_GUI_FIFOCNT_MASK; + if ( slots >= entries ) return 0; + DRM_UDELAY( 1 ); + } + +#if R128_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); +#endif + return DRM_ERR(EBUSY); +} + +static int r128_do_wait_for_idle( drm_r128_private_t *dev_priv ) +{ + int i, ret; + + ret = r128_do_wait_for_fifo( dev_priv, 64 ); + if ( ret ) return ret; + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + if ( !(R128_READ( R128_GUI_STAT ) & R128_GUI_ACTIVE) ) { + r128_do_pixcache_flush( dev_priv ); + return 0; + } + DRM_UDELAY( 1 ); + } + +#if R128_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); +#endif + return DRM_ERR(EBUSY); +} + + +/* ================================================================ + * CCE control, initialization + */ + +/* Load the microcode for the CCE */ +static void r128_cce_load_microcode( drm_r128_private_t *dev_priv ) +{ + int i; + + DRM_DEBUG( "\n" ); + + r128_do_wait_for_idle( dev_priv ); + + R128_WRITE( R128_PM4_MICROCODE_ADDR, 0 ); + for ( i = 0 ; i < 256 ; i++ ) { + R128_WRITE( R128_PM4_MICROCODE_DATAH, + r128_cce_microcode[i * 2] ); + R128_WRITE( R128_PM4_MICROCODE_DATAL, + r128_cce_microcode[i * 2 + 1] ); + } +} + +/* Flush any pending commands to the CCE. This should only be used just + * prior to a wait for idle, as it informs the engine that the command + * stream is ending. + */ +static void r128_do_cce_flush( drm_r128_private_t *dev_priv ) +{ + u32 tmp; + + tmp = R128_READ( R128_PM4_BUFFER_DL_WPTR ) | R128_PM4_BUFFER_DL_DONE; + R128_WRITE( R128_PM4_BUFFER_DL_WPTR, tmp ); +} + +/* Wait for the CCE to go idle. + */ +int r128_do_cce_idle( drm_r128_private_t *dev_priv ) +{ + int i; + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + if ( GET_RING_HEAD( dev_priv ) == dev_priv->ring.tail ) { + int pm4stat = R128_READ( R128_PM4_STAT ); + if ( ( (pm4stat & R128_PM4_FIFOCNT_MASK) >= + dev_priv->cce_fifo_size ) && + !(pm4stat & (R128_PM4_BUSY | + R128_PM4_GUI_ACTIVE)) ) { + return r128_do_pixcache_flush( dev_priv ); + } + } + DRM_UDELAY( 1 ); + } + +#if R128_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); + r128_status( dev_priv ); +#endif + return DRM_ERR(EBUSY); +} + +/* Start the Concurrent Command Engine. + */ +static void r128_do_cce_start( drm_r128_private_t *dev_priv ) +{ + r128_do_wait_for_idle( dev_priv ); + + R128_WRITE( R128_PM4_BUFFER_CNTL, + dev_priv->cce_mode | dev_priv->ring.size_l2qw + | R128_PM4_BUFFER_CNTL_NOUPDATE ); + R128_READ( R128_PM4_BUFFER_ADDR ); /* as per the sample code */ + R128_WRITE( R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN ); + + dev_priv->cce_running = 1; +} + +/* Reset the Concurrent Command Engine. This will not flush any pending + * commands, so you must wait for the CCE command stream to complete + * before calling this routine. + */ +static void r128_do_cce_reset( drm_r128_private_t *dev_priv ) +{ + R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 ); + R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 ); + dev_priv->ring.tail = 0; +} + +/* Stop the Concurrent Command Engine. This will not flush any pending + * commands, so you must flush the command stream and wait for the CCE + * to go idle before calling this routine. + */ +static void r128_do_cce_stop( drm_r128_private_t *dev_priv ) +{ + R128_WRITE( R128_PM4_MICRO_CNTL, 0 ); + R128_WRITE( R128_PM4_BUFFER_CNTL, + R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE ); + + dev_priv->cce_running = 0; +} + +/* Reset the engine. This will stop the CCE if it is running. + */ +static int r128_do_engine_reset( drm_device_t *dev ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + u32 clock_cntl_index, mclk_cntl, gen_reset_cntl; + + r128_do_pixcache_flush( dev_priv ); + + clock_cntl_index = R128_READ( R128_CLOCK_CNTL_INDEX ); + mclk_cntl = R128_READ_PLL( dev, R128_MCLK_CNTL ); + + R128_WRITE_PLL( R128_MCLK_CNTL, + mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP ); + + gen_reset_cntl = R128_READ( R128_GEN_RESET_CNTL ); + + /* Taken from the sample code - do not change */ + R128_WRITE( R128_GEN_RESET_CNTL, + gen_reset_cntl | R128_SOFT_RESET_GUI ); + R128_READ( R128_GEN_RESET_CNTL ); + R128_WRITE( R128_GEN_RESET_CNTL, + gen_reset_cntl & ~R128_SOFT_RESET_GUI ); + R128_READ( R128_GEN_RESET_CNTL ); + + R128_WRITE_PLL( R128_MCLK_CNTL, mclk_cntl ); + R128_WRITE( R128_CLOCK_CNTL_INDEX, clock_cntl_index ); + R128_WRITE( R128_GEN_RESET_CNTL, gen_reset_cntl ); + + /* Reset the CCE ring */ + r128_do_cce_reset( dev_priv ); + + /* The CCE is no longer running after an engine reset */ + dev_priv->cce_running = 0; + + /* Reset any pending vertex, indirect buffers */ + r128_freelist_reset( dev ); + + return 0; +} + +static void r128_cce_init_ring_buffer( drm_device_t *dev, + drm_r128_private_t *dev_priv ) +{ + u32 ring_start; + u32 tmp; + + DRM_DEBUG( "\n" ); + + /* The manual (p. 2) says this address is in "VM space". This + * means it's an offset from the start of AGP space. + */ +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) + ring_start = dev_priv->cce_ring->offset - dev->agp->base; + else +#endif + ring_start = dev_priv->cce_ring->offset - dev->sg->handle; + + R128_WRITE( R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET ); + + R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 ); + R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 ); + + /* Set watermark control */ + R128_WRITE( R128_PM4_BUFFER_WM_CNTL, + ((R128_WATERMARK_L/4) << R128_WMA_SHIFT) + | ((R128_WATERMARK_M/4) << R128_WMB_SHIFT) + | ((R128_WATERMARK_N/4) << R128_WMC_SHIFT) + | ((R128_WATERMARK_K/64) << R128_WB_WM_SHIFT) ); + + /* Force read. Why? Because it's in the examples... */ + R128_READ( R128_PM4_BUFFER_ADDR ); + + /* Turn on bus mastering */ + tmp = R128_READ( R128_BUS_CNTL ) & ~R128_BUS_MASTER_DIS; + R128_WRITE( R128_BUS_CNTL, tmp ); +} + +static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init ) +{ + drm_r128_private_t *dev_priv; + + DRM_DEBUG( "\n" ); + + dev_priv = drm_alloc( sizeof(drm_r128_private_t), DRM_MEM_DRIVER ); + if ( dev_priv == NULL ) + return DRM_ERR(ENOMEM); + + memset( dev_priv, 0, sizeof(drm_r128_private_t) ); + + dev_priv->is_pci = init->is_pci; + + if ( dev_priv->is_pci && !dev->sg ) { + DRM_ERROR( "PCI GART memory not allocated!\n" ); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + + dev_priv->usec_timeout = init->usec_timeout; + if ( dev_priv->usec_timeout < 1 || + dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT ) { + DRM_DEBUG( "TIMEOUT problem!\n" ); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + + dev_priv->cce_mode = init->cce_mode; + + /* GH: Simple idle check. + */ + atomic_set( &dev_priv->idle_count, 0 ); + + /* We don't support anything other than bus-mastering ring mode, + * but the ring can be in either AGP or PCI space for the ring + * read pointer. + */ + if ( ( init->cce_mode != R128_PM4_192BM ) && + ( init->cce_mode != R128_PM4_128BM_64INDBM ) && + ( init->cce_mode != R128_PM4_64BM_128INDBM ) && + ( init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM ) ) { + DRM_DEBUG( "Bad cce_mode!\n" ); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + + switch ( init->cce_mode ) { + case R128_PM4_NONPM4: + dev_priv->cce_fifo_size = 0; + break; + case R128_PM4_192PIO: + case R128_PM4_192BM: + dev_priv->cce_fifo_size = 192; + break; + case R128_PM4_128PIO_64INDBM: + case R128_PM4_128BM_64INDBM: + dev_priv->cce_fifo_size = 128; + break; + case R128_PM4_64PIO_128INDBM: + case R128_PM4_64BM_128INDBM: + case R128_PM4_64PIO_64VCBM_64INDBM: + case R128_PM4_64BM_64VCBM_64INDBM: + case R128_PM4_64PIO_64VCPIO_64INDPIO: + dev_priv->cce_fifo_size = 64; + break; + } + + switch ( init->fb_bpp ) { + case 16: + dev_priv->color_fmt = R128_DATATYPE_RGB565; + break; + case 32: + default: + dev_priv->color_fmt = R128_DATATYPE_ARGB8888; + break; + } + dev_priv->front_offset = init->front_offset; + dev_priv->front_pitch = init->front_pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->back_pitch = init->back_pitch; + + switch ( init->depth_bpp ) { + case 16: + dev_priv->depth_fmt = R128_DATATYPE_RGB565; + break; + case 24: + case 32: + default: + dev_priv->depth_fmt = R128_DATATYPE_ARGB8888; + break; + } + dev_priv->depth_offset = init->depth_offset; + dev_priv->depth_pitch = init->depth_pitch; + dev_priv->span_offset = init->span_offset; + + dev_priv->front_pitch_offset_c = (((dev_priv->front_pitch/8) << 21) | + (dev_priv->front_offset >> 5)); + dev_priv->back_pitch_offset_c = (((dev_priv->back_pitch/8) << 21) | + (dev_priv->back_offset >> 5)); + dev_priv->depth_pitch_offset_c = (((dev_priv->depth_pitch/8) << 21) | + (dev_priv->depth_offset >> 5) | + R128_DST_TILE); + dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch/8) << 21) | + (dev_priv->span_offset >> 5)); + + DRM_GETSAREA(); + + if(!dev_priv->sarea) { + DRM_ERROR("could not find sarea!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + + dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); + if(!dev_priv->mmio) { + DRM_ERROR("could not find mmio region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + dev_priv->cce_ring = drm_core_findmap(dev, init->ring_offset); + if(!dev_priv->cce_ring) { + DRM_ERROR("could not find cce ring region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset); + if(!dev_priv->ring_rptr) { + DRM_ERROR("could not find ring read pointer!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + if(!dev->agp_buffer_map) { + DRM_ERROR("could not find dma buffer region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + + if ( !dev_priv->is_pci ) { + dev_priv->agp_textures = drm_core_findmap(dev, init->agp_textures_offset); + if(!dev_priv->agp_textures) { + DRM_ERROR("could not find agp texture region!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(EINVAL); + } + } + + dev_priv->sarea_priv = + (drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle + + init->sarea_priv_offset); + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + drm_core_ioremap( dev_priv->cce_ring, dev ); + drm_core_ioremap( dev_priv->ring_rptr, dev ); + drm_core_ioremap( dev->agp_buffer_map, dev ); + if(!dev_priv->cce_ring->handle || + !dev_priv->ring_rptr->handle || + !dev->agp_buffer_map->handle) { + DRM_ERROR("Could not ioremap agp regions!\n"); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(ENOMEM); + } + } else +#endif + { + dev_priv->cce_ring->handle = + (void *)dev_priv->cce_ring->offset; + dev_priv->ring_rptr->handle = + (void *)dev_priv->ring_rptr->offset; + dev->agp_buffer_map->handle = (void *)dev->agp_buffer_map->offset; + } + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) + dev_priv->cce_buffers_offset = dev->agp->base; + else +#endif + dev_priv->cce_buffers_offset = dev->sg->handle; + + dev_priv->ring.start = (u32 *)dev_priv->cce_ring->handle; + dev_priv->ring.end = ((u32 *)dev_priv->cce_ring->handle + + init->ring_size / sizeof(u32)); + dev_priv->ring.size = init->ring_size; + dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); + + dev_priv->ring.tail_mask = + (dev_priv->ring.size / sizeof(u32)) - 1; + + dev_priv->ring.high_mark = 128; + + dev_priv->sarea_priv->last_frame = 0; + R128_WRITE( R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame ); + + dev_priv->sarea_priv->last_dispatch = 0; + R128_WRITE( R128_LAST_DISPATCH_REG, + dev_priv->sarea_priv->last_dispatch ); + +#if __OS_HAS_AGP + if ( dev_priv->is_pci ) { +#endif + if (!drm_ati_pcigart_init( dev, &dev_priv->phys_pci_gart, + &dev_priv->bus_pci_gart) ) { + DRM_ERROR( "failed to init PCI GART!\n" ); + dev->dev_private = (void *)dev_priv; + r128_do_cleanup_cce( dev ); + return DRM_ERR(ENOMEM); + } + R128_WRITE( R128_PCI_GART_PAGE, dev_priv->bus_pci_gart ); +#if __OS_HAS_AGP + } +#endif + + r128_cce_init_ring_buffer( dev, dev_priv ); + r128_cce_load_microcode( dev_priv ); + + dev->dev_private = (void *)dev_priv; + + r128_do_engine_reset( dev ); + + return 0; +} + +int r128_do_cleanup_cce( drm_device_t *dev ) +{ + + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if ( dev->irq_enabled ) drm_irq_uninstall(dev); + + if ( dev->dev_private ) { + drm_r128_private_t *dev_priv = dev->dev_private; + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + if ( dev_priv->cce_ring != NULL ) + drm_core_ioremapfree( dev_priv->cce_ring, dev ); + if ( dev_priv->ring_rptr != NULL ) + drm_core_ioremapfree( dev_priv->ring_rptr, dev ); + if ( dev->agp_buffer_map != NULL ) + drm_core_ioremapfree( dev->agp_buffer_map, dev ); + } else +#endif + { + if (!drm_ati_pcigart_cleanup( dev, + dev_priv->phys_pci_gart, + dev_priv->bus_pci_gart )) + DRM_ERROR( "failed to cleanup PCI GART!\n" ); + } + + drm_free( dev->dev_private, sizeof(drm_r128_private_t), + DRM_MEM_DRIVER ); + dev->dev_private = NULL; + } + + return 0; +} + +int r128_cce_init( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_init_t init; + + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( init, (drm_r128_init_t __user *)data, sizeof(init) ); + + switch ( init.func ) { + case R128_INIT_CCE: + return r128_do_init_cce( dev, &init ); + case R128_CLEANUP_CCE: + return r128_do_cleanup_cce( dev ); + } + + return DRM_ERR(EINVAL); +} + +int r128_cce_start( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4 ) { + DRM_DEBUG( "%s while CCE running\n", __FUNCTION__ ); + return 0; + } + + r128_do_cce_start( dev_priv ); + + return 0; +} + +/* Stop the CCE. The engine must have been idled before calling this + * routine. + */ +int r128_cce_stop( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_cce_stop_t stop; + int ret; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL(stop, (drm_r128_cce_stop_t __user *)data, sizeof(stop) ); + + /* Flush any pending CCE commands. This ensures any outstanding + * commands are exectuted by the engine before we turn it off. + */ + if ( stop.flush ) { + r128_do_cce_flush( dev_priv ); + } + + /* If we fail to make the engine go idle, we return an error + * code so that the DRM ioctl wrapper can try again. + */ + if ( stop.idle ) { + ret = r128_do_cce_idle( dev_priv ); + if ( ret ) return ret; + } + + /* Finally, we can turn off the CCE. If the engine isn't idle, + * we will get some dropped triangles as they won't be fully + * rendered before the CCE is shut down. + */ + r128_do_cce_stop( dev_priv ); + + /* Reset the engine */ + r128_do_engine_reset( dev ); + + return 0; +} + +/* Just reset the CCE ring. Called as part of an X Server engine reset. + */ +int r128_cce_reset( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_DEBUG( "%s called before init done\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + r128_do_cce_reset( dev_priv ); + + /* The CCE is no longer running after an engine reset */ + dev_priv->cce_running = 0; + + return 0; +} + +int r128_cce_idle( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( dev_priv->cce_running ) { + r128_do_cce_flush( dev_priv ); + } + + return r128_do_cce_idle( dev_priv ); +} + +int r128_engine_reset( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + return r128_do_engine_reset( dev ); +} + +int r128_fullscreen( DRM_IOCTL_ARGS ) +{ + return DRM_ERR(EINVAL); +} + + +/* ================================================================ + * Freelist management + */ +#define R128_BUFFER_USED 0xffffffff +#define R128_BUFFER_FREE 0 + +#if 0 +static int r128_freelist_init( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_buf_t *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_freelist_t *entry; + int i; + + dev_priv->head = drm_alloc( sizeof(drm_r128_freelist_t), + DRM_MEM_DRIVER ); + if ( dev_priv->head == NULL ) + return DRM_ERR(ENOMEM); + + memset( dev_priv->head, 0, sizeof(drm_r128_freelist_t) ); + dev_priv->head->age = R128_BUFFER_USED; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + + entry = drm_alloc( sizeof(drm_r128_freelist_t), + DRM_MEM_DRIVER ); + if ( !entry ) return DRM_ERR(ENOMEM); + + entry->age = R128_BUFFER_FREE; + entry->buf = buf; + entry->prev = dev_priv->head; + entry->next = dev_priv->head->next; + if ( !entry->next ) + dev_priv->tail = entry; + + buf_priv->discard = 0; + buf_priv->dispatched = 0; + buf_priv->list_entry = entry; + + dev_priv->head->next = entry; + + if ( dev_priv->head->next ) + dev_priv->head->next->prev = entry; + } + + return 0; + +} +#endif + +static drm_buf_t *r128_freelist_get( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv; + drm_buf_t *buf; + int i, t; + + /* FIXME: Optimize -- use freelist code */ + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + if ( buf->filp == 0 ) + return buf; + } + + for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) { + u32 done_age = R128_READ( R128_LAST_DISPATCH_REG ); + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + if ( buf->pending && buf_priv->age <= done_age ) { + /* The buffer has been processed, so it + * can now be used. + */ + buf->pending = 0; + return buf; + } + } + DRM_UDELAY( 1 ); + } + + DRM_DEBUG( "returning NULL!\n" ); + return NULL; +} + +void r128_freelist_reset( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + int i; + + for ( i = 0 ; i < dma->buf_count ; i++ ) { + drm_buf_t *buf = dma->buflist[i]; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + buf_priv->age = 0; + } +} + + +/* ================================================================ + * CCE command submission + */ + +int r128_wait_ring( drm_r128_private_t *dev_priv, int n ) +{ + drm_r128_ring_buffer_t *ring = &dev_priv->ring; + int i; + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + r128_update_ring_snapshot( dev_priv ); + if ( ring->space >= n ) + return 0; + DRM_UDELAY( 1 ); + } + + /* FIXME: This is being ignored... */ + DRM_ERROR( "failed!\n" ); + return DRM_ERR(EBUSY); +} + +static int r128_cce_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d ) +{ + int i; + drm_buf_t *buf; + + for ( i = d->granted_count ; i < d->request_count ; i++ ) { + buf = r128_freelist_get( dev ); + if ( !buf ) return DRM_ERR(EAGAIN); + + buf->filp = filp; + + if ( DRM_COPY_TO_USER( &d->request_indices[i], &buf->idx, + sizeof(buf->idx) ) ) + return DRM_ERR(EFAULT); + if ( DRM_COPY_TO_USER( &d->request_sizes[i], &buf->total, + sizeof(buf->total) ) ) + return DRM_ERR(EFAULT); + + d->granted_count++; + } + return 0; +} + +int r128_cce_buffers( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_device_dma_t *dma = dev->dma; + int ret = 0; + drm_dma_t __user *argp = (void __user *)data; + drm_dma_t d; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( d, argp, sizeof(d) ); + + /* Please don't send us buffers. + */ + if ( d.send_count != 0 ) { + DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", + DRM_CURRENTPID, d.send_count ); + return DRM_ERR(EINVAL); + } + + /* We'll send you buffers. + */ + if ( d.request_count < 0 || d.request_count > dma->buf_count ) { + DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", + DRM_CURRENTPID, d.request_count, dma->buf_count ); + return DRM_ERR(EINVAL); + } + + d.granted_count = 0; + + if ( d.request_count ) { + ret = r128_cce_get_buffers( filp, dev, &d ); + } + + DRM_COPY_TO_USER_IOCTL(argp, d, sizeof(d) ); + + return ret; +} diff --git a/drivers/char/drm/r128_drm.h b/drivers/char/drm/r128_drm.h new file mode 100644 index 0000000..0cba17d --- /dev/null +++ b/drivers/char/drm/r128_drm.h @@ -0,0 +1,345 @@ +/* r128_drm.h -- Public header for the r128 driver -*- linux-c -*- + * Created: Wed Apr 5 19:24:19 2000 by kevin@precisioninsight.com + * + * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + * Kevin E. Martin <martin@valinux.com> + */ + +#ifndef __R128_DRM_H__ +#define __R128_DRM_H__ + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the X server file (r128_sarea.h) + */ +#ifndef __R128_SAREA_DEFINES__ +#define __R128_SAREA_DEFINES__ + +/* What needs to be changed for the current vertex buffer? + */ +#define R128_UPLOAD_CONTEXT 0x001 +#define R128_UPLOAD_SETUP 0x002 +#define R128_UPLOAD_TEX0 0x004 +#define R128_UPLOAD_TEX1 0x008 +#define R128_UPLOAD_TEX0IMAGES 0x010 +#define R128_UPLOAD_TEX1IMAGES 0x020 +#define R128_UPLOAD_CORE 0x040 +#define R128_UPLOAD_MASKS 0x080 +#define R128_UPLOAD_WINDOW 0x100 +#define R128_UPLOAD_CLIPRECTS 0x200 /* handled client-side */ +#define R128_REQUIRE_QUIESCENCE 0x400 +#define R128_UPLOAD_ALL 0x7ff + +#define R128_FRONT 0x1 +#define R128_BACK 0x2 +#define R128_DEPTH 0x4 + +/* Primitive types + */ +#define R128_POINTS 0x1 +#define R128_LINES 0x2 +#define R128_LINE_STRIP 0x3 +#define R128_TRIANGLES 0x4 +#define R128_TRIANGLE_FAN 0x5 +#define R128_TRIANGLE_STRIP 0x6 + +/* Vertex/indirect buffer size + */ +#define R128_BUFFER_SIZE 16384 + +/* Byte offsets for indirect buffer data + */ +#define R128_INDEX_PRIM_OFFSET 20 +#define R128_HOSTDATA_BLIT_OFFSET 32 + +/* Keep these small for testing. + */ +#define R128_NR_SAREA_CLIPRECTS 12 + +/* There are 2 heaps (local/AGP). Each region within a heap is a + * minimum of 64k, and there are at most 64 of them per heap. + */ +#define R128_LOCAL_TEX_HEAP 0 +#define R128_AGP_TEX_HEAP 1 +#define R128_NR_TEX_HEAPS 2 +#define R128_NR_TEX_REGIONS 64 +#define R128_LOG_TEX_GRANULARITY 16 + +#define R128_NR_CONTEXT_REGS 12 + +#define R128_MAX_TEXTURE_LEVELS 11 +#define R128_MAX_TEXTURE_UNITS 2 + +#endif /* __R128_SAREA_DEFINES__ */ + +typedef struct { + /* Context state - can be written in one large chunk */ + unsigned int dst_pitch_offset_c; + unsigned int dp_gui_master_cntl_c; + unsigned int sc_top_left_c; + unsigned int sc_bottom_right_c; + unsigned int z_offset_c; + unsigned int z_pitch_c; + unsigned int z_sten_cntl_c; + unsigned int tex_cntl_c; + unsigned int misc_3d_state_cntl_reg; + unsigned int texture_clr_cmp_clr_c; + unsigned int texture_clr_cmp_msk_c; + unsigned int fog_color_c; + + /* Texture state */ + unsigned int tex_size_pitch_c; + unsigned int constant_color_c; + + /* Setup state */ + unsigned int pm4_vc_fpu_setup; + unsigned int setup_cntl; + + /* Mask state */ + unsigned int dp_write_mask; + unsigned int sten_ref_mask_c; + unsigned int plane_3d_mask_c; + + /* Window state */ + unsigned int window_xy_offset; + + /* Core state */ + unsigned int scale_3d_cntl; +} drm_r128_context_regs_t; + +/* Setup registers for each texture unit + */ +typedef struct { + unsigned int tex_cntl; + unsigned int tex_combine_cntl; + unsigned int tex_size_pitch; + unsigned int tex_offset[R128_MAX_TEXTURE_LEVELS]; + unsigned int tex_border_color; +} drm_r128_texture_regs_t; + + +typedef struct drm_r128_sarea { + /* The channel for communication of state information to the kernel + * on firing a vertex buffer. + */ + drm_r128_context_regs_t context_state; + drm_r128_texture_regs_t tex_state[R128_MAX_TEXTURE_UNITS]; + unsigned int dirty; + unsigned int vertsize; + unsigned int vc_format; + + /* The current cliprects, or a subset thereof. + */ + drm_clip_rect_t boxes[R128_NR_SAREA_CLIPRECTS]; + unsigned int nbox; + + /* Counters for client-side throttling of rendering clients. + */ + unsigned int last_frame; + unsigned int last_dispatch; + + drm_tex_region_t tex_list[R128_NR_TEX_HEAPS][R128_NR_TEX_REGIONS+1]; + unsigned int tex_age[R128_NR_TEX_HEAPS]; + int ctx_owner; + int pfAllowPageFlip; /* number of 3d windows (0,1,2 or more) */ + int pfCurrentPage; /* which buffer is being displayed? */ +} drm_r128_sarea_t; + + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmR128.h) + */ + +/* Rage 128 specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_R128_INIT 0x00 +#define DRM_R128_CCE_START 0x01 +#define DRM_R128_CCE_STOP 0x02 +#define DRM_R128_CCE_RESET 0x03 +#define DRM_R128_CCE_IDLE 0x04 +/* 0x05 not used */ +#define DRM_R128_RESET 0x06 +#define DRM_R128_SWAP 0x07 +#define DRM_R128_CLEAR 0x08 +#define DRM_R128_VERTEX 0x09 +#define DRM_R128_INDICES 0x0a +#define DRM_R128_BLIT 0x0b +#define DRM_R128_DEPTH 0x0c +#define DRM_R128_STIPPLE 0x0d +/* 0x0e not used */ +#define DRM_R128_INDIRECT 0x0f +#define DRM_R128_FULLSCREEN 0x10 +#define DRM_R128_CLEAR2 0x11 +#define DRM_R128_GETPARAM 0x12 +#define DRM_R128_FLIP 0x13 + +#define DRM_IOCTL_R128_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INIT, drm_r128_init_t) +#define DRM_IOCTL_R128_CCE_START DRM_IO( DRM_COMMAND_BASE + DRM_R128_CCE_START) +#define DRM_IOCTL_R128_CCE_STOP DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CCE_STOP, drm_r128_cce_stop_t) +#define DRM_IOCTL_R128_CCE_RESET DRM_IO( DRM_COMMAND_BASE + DRM_R128_CCE_RESET) +#define DRM_IOCTL_R128_CCE_IDLE DRM_IO( DRM_COMMAND_BASE + DRM_R128_CCE_IDLE) +/* 0x05 not used */ +#define DRM_IOCTL_R128_RESET DRM_IO( DRM_COMMAND_BASE + DRM_R128_RESET) +#define DRM_IOCTL_R128_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_R128_SWAP) +#define DRM_IOCTL_R128_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR, drm_r128_clear_t) +#define DRM_IOCTL_R128_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_R128_VERTEX, drm_r128_vertex_t) +#define DRM_IOCTL_R128_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_R128_INDICES, drm_r128_indices_t) +#define DRM_IOCTL_R128_BLIT DRM_IOW( DRM_COMMAND_BASE + DRM_R128_BLIT, drm_r128_blit_t) +#define DRM_IOCTL_R128_DEPTH DRM_IOW( DRM_COMMAND_BASE + DRM_R128_DEPTH, drm_r128_depth_t) +#define DRM_IOCTL_R128_STIPPLE DRM_IOW( DRM_COMMAND_BASE + DRM_R128_STIPPLE, drm_r128_stipple_t) +/* 0x0e not used */ +#define DRM_IOCTL_R128_INDIRECT DRM_IOWR(DRM_COMMAND_BASE + DRM_R128_INDIRECT, drm_r128_indirect_t) +#define DRM_IOCTL_R128_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_R128_FULLSCREEN, drm_r128_fullscreen_t) +#define DRM_IOCTL_R128_CLEAR2 DRM_IOW( DRM_COMMAND_BASE + DRM_R128_CLEAR2, drm_r128_clear2_t) +#define DRM_IOCTL_R128_GETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_R128_GETPARAM, drm_r128_getparam_t) +#define DRM_IOCTL_R128_FLIP DRM_IO( DRM_COMMAND_BASE + DRM_R128_FLIP) + +typedef struct drm_r128_init { + enum { + R128_INIT_CCE = 0x01, + R128_CLEANUP_CCE = 0x02 + } func; +#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0) + int sarea_priv_offset; +#else + unsigned long sarea_priv_offset; +#endif + int is_pci; + int cce_mode; + int cce_secure; + int ring_size; + int usec_timeout; + + unsigned int fb_bpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_pitch; + unsigned int depth_bpp; + unsigned int depth_offset, depth_pitch; + unsigned int span_offset; + +#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0) + unsigned int fb_offset; + unsigned int mmio_offset; + unsigned int ring_offset; + unsigned int ring_rptr_offset; + unsigned int buffers_offset; + unsigned int agp_textures_offset; +#else + unsigned long fb_offset; + unsigned long mmio_offset; + unsigned long ring_offset; + unsigned long ring_rptr_offset; + unsigned long buffers_offset; + unsigned long agp_textures_offset; +#endif +} drm_r128_init_t; + +typedef struct drm_r128_cce_stop { + int flush; + int idle; +} drm_r128_cce_stop_t; + +typedef struct drm_r128_clear { + unsigned int flags; +#if CONFIG_XFREE86_VERSION < XFREE86_VERSION(4,1,0,0) + int x, y, w, h; +#endif + unsigned int clear_color; + unsigned int clear_depth; +#if CONFIG_XFREE86_VERSION >= XFREE86_VERSION(4,1,0,0) + unsigned int color_mask; + unsigned int depth_mask; +#endif +} drm_r128_clear_t; + +typedef struct drm_r128_vertex { + int prim; + int idx; /* Index of vertex buffer */ + int count; /* Number of vertices in buffer */ + int discard; /* Client finished with buffer? */ +} drm_r128_vertex_t; + +typedef struct drm_r128_indices { + int prim; + int idx; + int start; + int end; + int discard; /* Client finished with buffer? */ +} drm_r128_indices_t; + +typedef struct drm_r128_blit { + int idx; + int pitch; + int offset; + int format; + unsigned short x, y; + unsigned short width, height; +} drm_r128_blit_t; + +typedef struct drm_r128_depth { + enum { + R128_WRITE_SPAN = 0x01, + R128_WRITE_PIXELS = 0x02, + R128_READ_SPAN = 0x03, + R128_READ_PIXELS = 0x04 + } func; + int n; + int __user *x; + int __user *y; + unsigned int __user *buffer; + unsigned char __user *mask; +} drm_r128_depth_t; + +typedef struct drm_r128_stipple { + unsigned int __user *mask; +} drm_r128_stipple_t; + +typedef struct drm_r128_indirect { + int idx; + int start; + int end; + int discard; +} drm_r128_indirect_t; + +typedef struct drm_r128_fullscreen { + enum { + R128_INIT_FULLSCREEN = 0x01, + R128_CLEANUP_FULLSCREEN = 0x02 + } func; +} drm_r128_fullscreen_t; + +/* 2.3: An ioctl to get parameters that aren't available to the 3d + * client any other way. + */ +#define R128_PARAM_IRQ_NR 1 + +typedef struct drm_r128_getparam { + int param; + void __user *value; +} drm_r128_getparam_t; + +#endif diff --git a/drivers/char/drm/r128_drv.c b/drivers/char/drm/r128_drv.c new file mode 100644 index 0000000..ced6381 --- /dev/null +++ b/drivers/char/drm/r128_drv.c @@ -0,0 +1,122 @@ +/* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*- + * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/config.h> +#include "drmP.h" +#include "drm.h" +#include "r128_drm.h" +#include "r128_drv.h" + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + r128_PCI_IDS +}; + +extern drm_ioctl_desc_t r128_ioctls[]; +extern int r128_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .dev_priv_size = sizeof(drm_r128_buf_priv_t), + .prerelease = r128_driver_prerelease, + .pretakedown = r128_driver_pretakedown, + .vblank_wait = r128_driver_vblank_wait, + .irq_preinstall = r128_driver_irq_preinstall, + .irq_postinstall = r128_driver_irq_postinstall, + .irq_uninstall = r128_driver_irq_uninstall, + .irq_handler = r128_driver_irq_handler, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = r128_ioctls, + .dma_ioctl = r128_cce_buffers, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init r128_init(void) +{ + driver.num_ioctls = r128_max_ioctl; + return drm_init(&driver); +} + +static void __exit r128_exit(void) +{ + drm_exit(&driver); +} + +module_init(r128_init); +module_exit(r128_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/r128_drv.h b/drivers/char/drm/r128_drv.h new file mode 100644 index 0000000..cf1aa5d --- /dev/null +++ b/drivers/char/drm/r128_drv.h @@ -0,0 +1,521 @@ +/* r128_drv.h -- Private header for r128 driver -*- linux-c -*- + * Created: Mon Dec 13 09:51:11 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * Michel D�zer <daenzerm@student.ethz.ch> + */ + +#ifndef __R128_DRV_H__ +#define __R128_DRV_H__ + +/* General customization: + */ +#define DRIVER_AUTHOR "Gareth Hughes, VA Linux Systems Inc." + +#define DRIVER_NAME "r128" +#define DRIVER_DESC "ATI Rage 128" +#define DRIVER_DATE "20030725" + +/* Interface history: + * + * ?? - ?? + * 2.4 - Add support for ycbcr textures (no new ioctls) + * 2.5 - Add FLIP ioctl, disable FULLSCREEN. + */ +#define DRIVER_MAJOR 2 +#define DRIVER_MINOR 5 +#define DRIVER_PATCHLEVEL 0 + + +#define GET_RING_HEAD(dev_priv) R128_READ( R128_PM4_BUFFER_DL_RPTR ) + +typedef struct drm_r128_freelist { + unsigned int age; + drm_buf_t *buf; + struct drm_r128_freelist *next; + struct drm_r128_freelist *prev; +} drm_r128_freelist_t; + +typedef struct drm_r128_ring_buffer { + u32 *start; + u32 *end; + int size; + int size_l2qw; + + u32 tail; + u32 tail_mask; + int space; + + int high_mark; +} drm_r128_ring_buffer_t; + +typedef struct drm_r128_private { + drm_r128_ring_buffer_t ring; + drm_r128_sarea_t *sarea_priv; + + int cce_mode; + int cce_fifo_size; + int cce_running; + + drm_r128_freelist_t *head; + drm_r128_freelist_t *tail; + + int usec_timeout; + int is_pci; + unsigned long phys_pci_gart; + dma_addr_t bus_pci_gart; + unsigned long cce_buffers_offset; + + atomic_t idle_count; + + int page_flipping; + int current_page; + u32 crtc_offset; + u32 crtc_offset_cntl; + + u32 color_fmt; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + u32 depth_fmt; + unsigned int depth_offset; + unsigned int depth_pitch; + unsigned int span_offset; + + u32 front_pitch_offset_c; + u32 back_pitch_offset_c; + u32 depth_pitch_offset_c; + u32 span_pitch_offset_c; + + drm_local_map_t *sarea; + drm_local_map_t *mmio; + drm_local_map_t *cce_ring; + drm_local_map_t *ring_rptr; + drm_local_map_t *agp_textures; +} drm_r128_private_t; + +typedef struct drm_r128_buf_priv { + u32 age; + int prim; + int discard; + int dispatched; + drm_r128_freelist_t *list_entry; +} drm_r128_buf_priv_t; + + /* r128_cce.c */ +extern int r128_cce_init( DRM_IOCTL_ARGS ); +extern int r128_cce_start( DRM_IOCTL_ARGS ); +extern int r128_cce_stop( DRM_IOCTL_ARGS ); +extern int r128_cce_reset( DRM_IOCTL_ARGS ); +extern int r128_cce_idle( DRM_IOCTL_ARGS ); +extern int r128_engine_reset( DRM_IOCTL_ARGS ); +extern int r128_fullscreen( DRM_IOCTL_ARGS ); +extern int r128_cce_buffers( DRM_IOCTL_ARGS ); + +extern void r128_freelist_reset( drm_device_t *dev ); + +extern int r128_wait_ring( drm_r128_private_t *dev_priv, int n ); + +extern int r128_do_cce_idle( drm_r128_private_t *dev_priv ); +extern int r128_do_cleanup_cce( drm_device_t *dev ); + +extern int r128_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); + +extern irqreturn_t r128_driver_irq_handler( DRM_IRQ_ARGS ); +extern void r128_driver_irq_preinstall( drm_device_t *dev ); +extern void r128_driver_irq_postinstall( drm_device_t *dev ); +extern void r128_driver_irq_uninstall( drm_device_t *dev ); +extern void r128_driver_pretakedown(drm_device_t *dev); +extern void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp); + +/* Register definitions, register access macros and drmAddMap constants + * for Rage 128 kernel driver. + */ + +#define R128_AUX_SC_CNTL 0x1660 +# define R128_AUX1_SC_EN (1 << 0) +# define R128_AUX1_SC_MODE_OR (0 << 1) +# define R128_AUX1_SC_MODE_NAND (1 << 1) +# define R128_AUX2_SC_EN (1 << 2) +# define R128_AUX2_SC_MODE_OR (0 << 3) +# define R128_AUX2_SC_MODE_NAND (1 << 3) +# define R128_AUX3_SC_EN (1 << 4) +# define R128_AUX3_SC_MODE_OR (0 << 5) +# define R128_AUX3_SC_MODE_NAND (1 << 5) +#define R128_AUX1_SC_LEFT 0x1664 +#define R128_AUX1_SC_RIGHT 0x1668 +#define R128_AUX1_SC_TOP 0x166c +#define R128_AUX1_SC_BOTTOM 0x1670 +#define R128_AUX2_SC_LEFT 0x1674 +#define R128_AUX2_SC_RIGHT 0x1678 +#define R128_AUX2_SC_TOP 0x167c +#define R128_AUX2_SC_BOTTOM 0x1680 +#define R128_AUX3_SC_LEFT 0x1684 +#define R128_AUX3_SC_RIGHT 0x1688 +#define R128_AUX3_SC_TOP 0x168c +#define R128_AUX3_SC_BOTTOM 0x1690 + +#define R128_BRUSH_DATA0 0x1480 +#define R128_BUS_CNTL 0x0030 +# define R128_BUS_MASTER_DIS (1 << 6) + +#define R128_CLOCK_CNTL_INDEX 0x0008 +#define R128_CLOCK_CNTL_DATA 0x000c +# define R128_PLL_WR_EN (1 << 7) +#define R128_CONSTANT_COLOR_C 0x1d34 +#define R128_CRTC_OFFSET 0x0224 +#define R128_CRTC_OFFSET_CNTL 0x0228 +# define R128_CRTC_OFFSET_FLIP_CNTL (1 << 16) + +#define R128_DP_GUI_MASTER_CNTL 0x146c +# define R128_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) +# define R128_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) +# define R128_GMC_BRUSH_SOLID_COLOR (13 << 4) +# define R128_GMC_BRUSH_NONE (15 << 4) +# define R128_GMC_DST_16BPP (4 << 8) +# define R128_GMC_DST_24BPP (5 << 8) +# define R128_GMC_DST_32BPP (6 << 8) +# define R128_GMC_DST_DATATYPE_SHIFT 8 +# define R128_GMC_SRC_DATATYPE_COLOR (3 << 12) +# define R128_DP_SRC_SOURCE_MEMORY (2 << 24) +# define R128_DP_SRC_SOURCE_HOST_DATA (3 << 24) +# define R128_GMC_CLR_CMP_CNTL_DIS (1 << 28) +# define R128_GMC_AUX_CLIP_DIS (1 << 29) +# define R128_GMC_WR_MSK_DIS (1 << 30) +# define R128_ROP3_S 0x00cc0000 +# define R128_ROP3_P 0x00f00000 +#define R128_DP_WRITE_MASK 0x16cc +#define R128_DST_PITCH_OFFSET_C 0x1c80 +# define R128_DST_TILE (1 << 31) + +#define R128_GEN_INT_CNTL 0x0040 +# define R128_CRTC_VBLANK_INT_EN (1 << 0) +#define R128_GEN_INT_STATUS 0x0044 +# define R128_CRTC_VBLANK_INT (1 << 0) +# define R128_CRTC_VBLANK_INT_AK (1 << 0) +#define R128_GEN_RESET_CNTL 0x00f0 +# define R128_SOFT_RESET_GUI (1 << 0) + +#define R128_GUI_SCRATCH_REG0 0x15e0 +#define R128_GUI_SCRATCH_REG1 0x15e4 +#define R128_GUI_SCRATCH_REG2 0x15e8 +#define R128_GUI_SCRATCH_REG3 0x15ec +#define R128_GUI_SCRATCH_REG4 0x15f0 +#define R128_GUI_SCRATCH_REG5 0x15f4 + +#define R128_GUI_STAT 0x1740 +# define R128_GUI_FIFOCNT_MASK 0x0fff +# define R128_GUI_ACTIVE (1 << 31) + +#define R128_MCLK_CNTL 0x000f +# define R128_FORCE_GCP (1 << 16) +# define R128_FORCE_PIPE3D_CP (1 << 17) +# define R128_FORCE_RCP (1 << 18) + +#define R128_PC_GUI_CTLSTAT 0x1748 +#define R128_PC_NGUI_CTLSTAT 0x0184 +# define R128_PC_FLUSH_GUI (3 << 0) +# define R128_PC_RI_GUI (1 << 2) +# define R128_PC_FLUSH_ALL 0x00ff +# define R128_PC_BUSY (1 << 31) + +#define R128_PCI_GART_PAGE 0x017c +#define R128_PRIM_TEX_CNTL_C 0x1cb0 + +#define R128_SCALE_3D_CNTL 0x1a00 +#define R128_SEC_TEX_CNTL_C 0x1d00 +#define R128_SEC_TEXTURE_BORDER_COLOR_C 0x1d3c +#define R128_SETUP_CNTL 0x1bc4 +#define R128_STEN_REF_MASK_C 0x1d40 + +#define R128_TEX_CNTL_C 0x1c9c +# define R128_TEX_CACHE_FLUSH (1 << 23) + +#define R128_WAIT_UNTIL 0x1720 +# define R128_EVENT_CRTC_OFFSET (1 << 0) +#define R128_WINDOW_XY_OFFSET 0x1bcc + + +/* CCE registers + */ +#define R128_PM4_BUFFER_OFFSET 0x0700 +#define R128_PM4_BUFFER_CNTL 0x0704 +# define R128_PM4_MASK (15 << 28) +# define R128_PM4_NONPM4 (0 << 28) +# define R128_PM4_192PIO (1 << 28) +# define R128_PM4_192BM (2 << 28) +# define R128_PM4_128PIO_64INDBM (3 << 28) +# define R128_PM4_128BM_64INDBM (4 << 28) +# define R128_PM4_64PIO_128INDBM (5 << 28) +# define R128_PM4_64BM_128INDBM (6 << 28) +# define R128_PM4_64PIO_64VCBM_64INDBM (7 << 28) +# define R128_PM4_64BM_64VCBM_64INDBM (8 << 28) +# define R128_PM4_64PIO_64VCPIO_64INDPIO (15 << 28) +# define R128_PM4_BUFFER_CNTL_NOUPDATE (1 << 27) + +#define R128_PM4_BUFFER_WM_CNTL 0x0708 +# define R128_WMA_SHIFT 0 +# define R128_WMB_SHIFT 8 +# define R128_WMC_SHIFT 16 +# define R128_WB_WM_SHIFT 24 + +#define R128_PM4_BUFFER_DL_RPTR_ADDR 0x070c +#define R128_PM4_BUFFER_DL_RPTR 0x0710 +#define R128_PM4_BUFFER_DL_WPTR 0x0714 +# define R128_PM4_BUFFER_DL_DONE (1 << 31) + +#define R128_PM4_VC_FPU_SETUP 0x071c + +#define R128_PM4_IW_INDOFF 0x0738 +#define R128_PM4_IW_INDSIZE 0x073c + +#define R128_PM4_STAT 0x07b8 +# define R128_PM4_FIFOCNT_MASK 0x0fff +# define R128_PM4_BUSY (1 << 16) +# define R128_PM4_GUI_ACTIVE (1 << 31) + +#define R128_PM4_MICROCODE_ADDR 0x07d4 +#define R128_PM4_MICROCODE_RADDR 0x07d8 +#define R128_PM4_MICROCODE_DATAH 0x07dc +#define R128_PM4_MICROCODE_DATAL 0x07e0 + +#define R128_PM4_BUFFER_ADDR 0x07f0 +#define R128_PM4_MICRO_CNTL 0x07fc +# define R128_PM4_MICRO_FREERUN (1 << 30) + +#define R128_PM4_FIFO_DATA_EVEN 0x1000 +#define R128_PM4_FIFO_DATA_ODD 0x1004 + + +/* CCE command packets + */ +#define R128_CCE_PACKET0 0x00000000 +#define R128_CCE_PACKET1 0x40000000 +#define R128_CCE_PACKET2 0x80000000 +#define R128_CCE_PACKET3 0xC0000000 +# define R128_CNTL_HOSTDATA_BLT 0x00009400 +# define R128_CNTL_PAINT_MULTI 0x00009A00 +# define R128_CNTL_BITBLT_MULTI 0x00009B00 +# define R128_3D_RNDR_GEN_INDX_PRIM 0x00002300 + +#define R128_CCE_PACKET_MASK 0xC0000000 +#define R128_CCE_PACKET_COUNT_MASK 0x3fff0000 +#define R128_CCE_PACKET0_REG_MASK 0x000007ff +#define R128_CCE_PACKET1_REG0_MASK 0x000007ff +#define R128_CCE_PACKET1_REG1_MASK 0x003ff800 + +#define R128_CCE_VC_CNTL_PRIM_TYPE_NONE 0x00000000 +#define R128_CCE_VC_CNTL_PRIM_TYPE_POINT 0x00000001 +#define R128_CCE_VC_CNTL_PRIM_TYPE_LINE 0x00000002 +#define R128_CCE_VC_CNTL_PRIM_TYPE_POLY_LINE 0x00000003 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST 0x00000004 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_FAN 0x00000005 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_STRIP 0x00000006 +#define R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 0x00000007 +#define R128_CCE_VC_CNTL_PRIM_WALK_IND 0x00000010 +#define R128_CCE_VC_CNTL_PRIM_WALK_LIST 0x00000020 +#define R128_CCE_VC_CNTL_PRIM_WALK_RING 0x00000030 +#define R128_CCE_VC_CNTL_NUM_SHIFT 16 + +#define R128_DATATYPE_VQ 0 +#define R128_DATATYPE_CI4 1 +#define R128_DATATYPE_CI8 2 +#define R128_DATATYPE_ARGB1555 3 +#define R128_DATATYPE_RGB565 4 +#define R128_DATATYPE_RGB888 5 +#define R128_DATATYPE_ARGB8888 6 +#define R128_DATATYPE_RGB332 7 +#define R128_DATATYPE_Y8 8 +#define R128_DATATYPE_RGB8 9 +#define R128_DATATYPE_CI16 10 +#define R128_DATATYPE_YVYU422 11 +#define R128_DATATYPE_VYUY422 12 +#define R128_DATATYPE_AYUV444 14 +#define R128_DATATYPE_ARGB4444 15 + +/* Constants */ +#define R128_AGP_OFFSET 0x02000000 + +#define R128_WATERMARK_L 16 +#define R128_WATERMARK_M 8 +#define R128_WATERMARK_N 8 +#define R128_WATERMARK_K 128 + +#define R128_MAX_USEC_TIMEOUT 100000 /* 100 ms */ + +#define R128_LAST_FRAME_REG R128_GUI_SCRATCH_REG0 +#define R128_LAST_DISPATCH_REG R128_GUI_SCRATCH_REG1 +#define R128_MAX_VB_AGE 0x7fffffff +#define R128_MAX_VB_VERTS (0xffff) + +#define R128_RING_HIGH_MARK 128 + +#define R128_PERFORMANCE_BOXES 0 + +#define R128_READ(reg) DRM_READ32( dev_priv->mmio, (reg) ) +#define R128_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) ) +#define R128_READ8(reg) DRM_READ8( dev_priv->mmio, (reg) ) +#define R128_WRITE8(reg,val) DRM_WRITE8( dev_priv->mmio, (reg), (val) ) + +#define R128_WRITE_PLL(addr,val) \ +do { \ + R128_WRITE8(R128_CLOCK_CNTL_INDEX, \ + ((addr) & 0x1f) | R128_PLL_WR_EN); \ + R128_WRITE(R128_CLOCK_CNTL_DATA, (val)); \ +} while (0) + + +#define CCE_PACKET0( reg, n ) (R128_CCE_PACKET0 | \ + ((n) << 16) | ((reg) >> 2)) +#define CCE_PACKET1( reg0, reg1 ) (R128_CCE_PACKET1 | \ + (((reg1) >> 2) << 11) | ((reg0) >> 2)) +#define CCE_PACKET2() (R128_CCE_PACKET2) +#define CCE_PACKET3( pkt, n ) (R128_CCE_PACKET3 | \ + (pkt) | ((n) << 16)) + + +static __inline__ void +r128_update_ring_snapshot( drm_r128_private_t *dev_priv ) +{ + drm_r128_ring_buffer_t *ring = &dev_priv->ring; + ring->space = (GET_RING_HEAD( dev_priv ) - ring->tail) * sizeof(u32); + if ( ring->space <= 0 ) + ring->space += ring->size; +} + +/* ================================================================ + * Misc helper macros + */ + +#define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \ +do { \ + drm_r128_ring_buffer_t *ring = &dev_priv->ring; int i; \ + if ( ring->space < ring->high_mark ) { \ + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { \ + r128_update_ring_snapshot( dev_priv ); \ + if ( ring->space >= ring->high_mark ) \ + goto __ring_space_done; \ + DRM_UDELAY(1); \ + } \ + DRM_ERROR( "ring space check failed!\n" ); \ + return DRM_ERR(EBUSY); \ + } \ + __ring_space_done: \ + ; \ +} while (0) + +#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \ +do { \ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; \ + if ( sarea_priv->last_dispatch >= R128_MAX_VB_AGE ) { \ + int __ret = r128_do_cce_idle( dev_priv ); \ + if ( __ret ) return __ret; \ + sarea_priv->last_dispatch = 0; \ + r128_freelist_reset( dev ); \ + } \ +} while (0) + +#define R128_WAIT_UNTIL_PAGE_FLIPPED() do { \ + OUT_RING( CCE_PACKET0( R128_WAIT_UNTIL, 0 ) ); \ + OUT_RING( R128_EVENT_CRTC_OFFSET ); \ +} while (0) + + +/* ================================================================ + * Ring control + */ + +#define R128_VERBOSE 0 + +#define RING_LOCALS \ + int write, _nr; unsigned int tail_mask; volatile u32 *ring; + +#define BEGIN_RING( n ) do { \ + if ( R128_VERBOSE ) { \ + DRM_INFO( "BEGIN_RING( %d ) in %s\n", \ + (n), __FUNCTION__ ); \ + } \ + if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \ + COMMIT_RING(); \ + r128_wait_ring( dev_priv, (n) * sizeof(u32) ); \ + } \ + _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ + ring = dev_priv->ring.start; \ + write = dev_priv->ring.tail; \ + tail_mask = dev_priv->ring.tail_mask; \ +} while (0) + +/* You can set this to zero if you want. If the card locks up, you'll + * need to keep this set. It works around a bug in early revs of the + * Rage 128 chipset, where the CCE would read 32 dwords past the end of + * the ring buffer before wrapping around. + */ +#define R128_BROKEN_CCE 1 + +#define ADVANCE_RING() do { \ + if ( R128_VERBOSE ) { \ + DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ + write, dev_priv->ring.tail ); \ + } \ + if ( R128_BROKEN_CCE && write < 32 ) { \ + memcpy( dev_priv->ring.end, \ + dev_priv->ring.start, \ + write * sizeof(u32) ); \ + } \ + if (((dev_priv->ring.tail + _nr) & tail_mask) != write) { \ + DRM_ERROR( \ + "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ + ((dev_priv->ring.tail + _nr) & tail_mask), \ + write, __LINE__); \ + } else \ + dev_priv->ring.tail = write; \ +} while (0) + +#define COMMIT_RING() do { \ + if ( R128_VERBOSE ) { \ + DRM_INFO( "COMMIT_RING() tail=0x%06x\n", \ + dev_priv->ring.tail ); \ + } \ + DRM_MEMORYBARRIER(); \ + R128_WRITE( R128_PM4_BUFFER_DL_WPTR, dev_priv->ring.tail ); \ + R128_READ( R128_PM4_BUFFER_DL_WPTR ); \ +} while (0) + +#define OUT_RING( x ) do { \ + if ( R128_VERBOSE ) { \ + DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \ + (unsigned int)(x), write ); \ + } \ + ring[write++] = cpu_to_le32( x ); \ + write &= tail_mask; \ +} while (0) + +#endif /* __R128_DRV_H__ */ diff --git a/drivers/char/drm/r128_irq.c b/drivers/char/drm/r128_irq.c new file mode 100644 index 0000000..643a307 --- /dev/null +++ b/drivers/char/drm/r128_irq.c @@ -0,0 +1,102 @@ +/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- + * + * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Eric Anholt <anholt@FreeBSD.org> + */ + +#include "drmP.h" +#include "drm.h" +#include "r128_drm.h" +#include "r128_drv.h" + +irqreturn_t r128_driver_irq_handler( DRM_IRQ_ARGS ) +{ + drm_device_t *dev = (drm_device_t *) arg; + drm_r128_private_t *dev_priv = + (drm_r128_private_t *)dev->dev_private; + int status; + + status = R128_READ( R128_GEN_INT_STATUS ); + + /* VBLANK interrupt */ + if ( status & R128_CRTC_VBLANK_INT ) { + R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK ); + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); + drm_vbl_send_signals( dev ); + return IRQ_HANDLED; + } + return IRQ_NONE; +} + +int r128_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + unsigned int cur_vblank; + int ret = 0; + + /* Assume that the user has missed the current sequence number + * by about a day rather than she wants to wait for years + * using vertical blanks... + */ + DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ, + ( ( ( cur_vblank = atomic_read(&dev->vbl_received ) ) + - *sequence ) <= (1<<23) ) ); + + *sequence = cur_vblank; + + return ret; +} + +void r128_driver_irq_preinstall( drm_device_t *dev ) { + drm_r128_private_t *dev_priv = + (drm_r128_private_t *)dev->dev_private; + + /* Disable *all* interrupts */ + R128_WRITE( R128_GEN_INT_CNTL, 0 ); + /* Clear vblank bit if it's already high */ + R128_WRITE( R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK ); +} + +void r128_driver_irq_postinstall( drm_device_t *dev ) { + drm_r128_private_t *dev_priv = + (drm_r128_private_t *)dev->dev_private; + + /* Turn on VBL interrupt */ + R128_WRITE( R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN ); +} + +void r128_driver_irq_uninstall( drm_device_t *dev ) { + drm_r128_private_t *dev_priv = + (drm_r128_private_t *)dev->dev_private; + if (!dev_priv) + return; + + /* Disable *all* interrupts */ + R128_WRITE( R128_GEN_INT_CNTL, 0 ); +} diff --git a/drivers/char/drm/r128_state.c b/drivers/char/drm/r128_state.c new file mode 100644 index 0000000..38b3cbd --- /dev/null +++ b/drivers/char/drm/r128_state.c @@ -0,0 +1,1732 @@ +/* r128_state.c -- State support for r128 -*- linux-c -*- + * Created: Thu Jan 27 02:53:43 2000 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "r128_drm.h" +#include "r128_drv.h" + + +/* ================================================================ + * CCE hardware state programming functions + */ + +static void r128_emit_clip_rects( drm_r128_private_t *dev_priv, + drm_clip_rect_t *boxes, int count ) +{ + u32 aux_sc_cntl = 0x00000000; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( (count < 3? count: 3) * 5 + 2 ); + + if ( count >= 1 ) { + OUT_RING( CCE_PACKET0( R128_AUX1_SC_LEFT, 3 ) ); + OUT_RING( boxes[0].x1 ); + OUT_RING( boxes[0].x2 - 1 ); + OUT_RING( boxes[0].y1 ); + OUT_RING( boxes[0].y2 - 1 ); + + aux_sc_cntl |= (R128_AUX1_SC_EN | R128_AUX1_SC_MODE_OR); + } + if ( count >= 2 ) { + OUT_RING( CCE_PACKET0( R128_AUX2_SC_LEFT, 3 ) ); + OUT_RING( boxes[1].x1 ); + OUT_RING( boxes[1].x2 - 1 ); + OUT_RING( boxes[1].y1 ); + OUT_RING( boxes[1].y2 - 1 ); + + aux_sc_cntl |= (R128_AUX2_SC_EN | R128_AUX2_SC_MODE_OR); + } + if ( count >= 3 ) { + OUT_RING( CCE_PACKET0( R128_AUX3_SC_LEFT, 3 ) ); + OUT_RING( boxes[2].x1 ); + OUT_RING( boxes[2].x2 - 1 ); + OUT_RING( boxes[2].y1 ); + OUT_RING( boxes[2].y2 - 1 ); + + aux_sc_cntl |= (R128_AUX3_SC_EN | R128_AUX3_SC_MODE_OR); + } + + OUT_RING( CCE_PACKET0( R128_AUX_SC_CNTL, 0 ) ); + OUT_RING( aux_sc_cntl ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_core( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_SCALE_3D_CNTL, 0 ) ); + OUT_RING( ctx->scale_3d_cntl ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_context( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 13 ); + + OUT_RING( CCE_PACKET0( R128_DST_PITCH_OFFSET_C, 11 ) ); + OUT_RING( ctx->dst_pitch_offset_c ); + OUT_RING( ctx->dp_gui_master_cntl_c ); + OUT_RING( ctx->sc_top_left_c ); + OUT_RING( ctx->sc_bottom_right_c ); + OUT_RING( ctx->z_offset_c ); + OUT_RING( ctx->z_pitch_c ); + OUT_RING( ctx->z_sten_cntl_c ); + OUT_RING( ctx->tex_cntl_c ); + OUT_RING( ctx->misc_3d_state_cntl_reg ); + OUT_RING( ctx->texture_clr_cmp_clr_c ); + OUT_RING( ctx->texture_clr_cmp_msk_c ); + OUT_RING( ctx->fog_color_c ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_setup( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 3 ); + + OUT_RING( CCE_PACKET1( R128_SETUP_CNTL, R128_PM4_VC_FPU_SETUP ) ); + OUT_RING( ctx->setup_cntl ); + OUT_RING( ctx->pm4_vc_fpu_setup ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_masks( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 5 ); + + OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) ); + OUT_RING( ctx->dp_write_mask ); + + OUT_RING( CCE_PACKET0( R128_STEN_REF_MASK_C, 1 ) ); + OUT_RING( ctx->sten_ref_mask_c ); + OUT_RING( ctx->plane_3d_mask_c ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_window( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_WINDOW_XY_OFFSET, 0 ) ); + OUT_RING( ctx->window_xy_offset ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_tex0( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_context_regs_t *ctx = &sarea_priv->context_state; + drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[0]; + int i; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 7 + R128_MAX_TEXTURE_LEVELS ); + + OUT_RING( CCE_PACKET0( R128_PRIM_TEX_CNTL_C, + 2 + R128_MAX_TEXTURE_LEVELS ) ); + OUT_RING( tex->tex_cntl ); + OUT_RING( tex->tex_combine_cntl ); + OUT_RING( ctx->tex_size_pitch_c ); + for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) { + OUT_RING( tex->tex_offset[i] ); + } + + OUT_RING( CCE_PACKET0( R128_CONSTANT_COLOR_C, 1 ) ); + OUT_RING( ctx->constant_color_c ); + OUT_RING( tex->tex_border_color ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_tex1( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_texture_regs_t *tex = &sarea_priv->tex_state[1]; + int i; + RING_LOCALS; + DRM_DEBUG( " %s\n", __FUNCTION__ ); + + BEGIN_RING( 5 + R128_MAX_TEXTURE_LEVELS ); + + OUT_RING( CCE_PACKET0( R128_SEC_TEX_CNTL_C, + 1 + R128_MAX_TEXTURE_LEVELS ) ); + OUT_RING( tex->tex_cntl ); + OUT_RING( tex->tex_combine_cntl ); + for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) { + OUT_RING( tex->tex_offset[i] ); + } + + OUT_RING( CCE_PACKET0( R128_SEC_TEXTURE_BORDER_COLOR_C, 0 ) ); + OUT_RING( tex->tex_border_color ); + + ADVANCE_RING(); +} + +static __inline__ void r128_emit_state( drm_r128_private_t *dev_priv ) +{ + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + unsigned int dirty = sarea_priv->dirty; + + DRM_DEBUG( "%s: dirty=0x%08x\n", __FUNCTION__, dirty ); + + if ( dirty & R128_UPLOAD_CORE ) { + r128_emit_core( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_CORE; + } + + if ( dirty & R128_UPLOAD_CONTEXT ) { + r128_emit_context( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_CONTEXT; + } + + if ( dirty & R128_UPLOAD_SETUP ) { + r128_emit_setup( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_SETUP; + } + + if ( dirty & R128_UPLOAD_MASKS ) { + r128_emit_masks( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_MASKS; + } + + if ( dirty & R128_UPLOAD_WINDOW ) { + r128_emit_window( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_WINDOW; + } + + if ( dirty & R128_UPLOAD_TEX0 ) { + r128_emit_tex0( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_TEX0; + } + + if ( dirty & R128_UPLOAD_TEX1 ) { + r128_emit_tex1( dev_priv ); + sarea_priv->dirty &= ~R128_UPLOAD_TEX1; + } + + /* Turn off the texture cache flushing */ + sarea_priv->context_state.tex_cntl_c &= ~R128_TEX_CACHE_FLUSH; + + sarea_priv->dirty &= ~R128_REQUIRE_QUIESCENCE; +} + + +#if R128_PERFORMANCE_BOXES +/* ================================================================ + * Performance monitoring functions + */ + +static void r128_clear_box( drm_r128_private_t *dev_priv, + int x, int y, int w, int h, + int r, int g, int b ) +{ + u32 pitch, offset; + u32 fb_bpp, color; + RING_LOCALS; + + switch ( dev_priv->fb_bpp ) { + case 16: + fb_bpp = R128_GMC_DST_16BPP; + color = (((r & 0xf8) << 8) | + ((g & 0xfc) << 3) | + ((b & 0xf8) >> 3)); + break; + case 24: + fb_bpp = R128_GMC_DST_24BPP; + color = ((r << 16) | (g << 8) | b); + break; + case 32: + fb_bpp = R128_GMC_DST_32BPP; + color = (((0xff) << 24) | (r << 16) | (g << 8) | b); + break; + default: + return; + } + + offset = dev_priv->back_offset; + pitch = dev_priv->back_pitch >> 3; + + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + fb_bpp | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS ); + + OUT_RING( (pitch << 21) | (offset >> 5) ); + OUT_RING( color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); +} + +static void r128_cce_performance_boxes( drm_r128_private_t *dev_priv ) +{ + if ( atomic_read( &dev_priv->idle_count ) == 0 ) { + r128_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 ); + } else { + atomic_set( &dev_priv->idle_count, 0 ); + } +} + +#endif + + +/* ================================================================ + * CCE command dispatch functions + */ + +static void r128_print_dirty( const char *msg, unsigned int flags ) +{ + DRM_INFO( "%s: (0x%x) %s%s%s%s%s%s%s%s%s\n", + msg, + flags, + (flags & R128_UPLOAD_CORE) ? "core, " : "", + (flags & R128_UPLOAD_CONTEXT) ? "context, " : "", + (flags & R128_UPLOAD_SETUP) ? "setup, " : "", + (flags & R128_UPLOAD_TEX0) ? "tex0, " : "", + (flags & R128_UPLOAD_TEX1) ? "tex1, " : "", + (flags & R128_UPLOAD_MASKS) ? "masks, " : "", + (flags & R128_UPLOAD_WINDOW) ? "window, " : "", + (flags & R128_UPLOAD_CLIPRECTS) ? "cliprects, " : "", + (flags & R128_REQUIRE_QUIESCENCE) ? "quiescence, " : "" ); +} + +static void r128_cce_dispatch_clear( drm_device_t *dev, + drm_r128_clear_t *clear ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + unsigned int flags = clear->flags; + int i; + RING_LOCALS; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { + unsigned int tmp = flags; + + flags &= ~(R128_FRONT | R128_BACK); + if ( tmp & R128_FRONT ) flags |= R128_BACK; + if ( tmp & R128_BACK ) flags |= R128_FRONT; + } + + for ( i = 0 ; i < nbox ; i++ ) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n", + pbox[i].x1, pbox[i].y1, pbox[i].x2, + pbox[i].y2, flags ); + + if ( flags & (R128_FRONT | R128_BACK) ) { + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_DP_WRITE_MASK, 0 ) ); + OUT_RING( clear->color_mask ); + + ADVANCE_RING(); + } + + if ( flags & R128_FRONT ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS ); + + OUT_RING( dev_priv->front_pitch_offset_c ); + OUT_RING( clear->clear_color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + if ( flags & R128_BACK ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS ); + + OUT_RING( dev_priv->back_pitch_offset_c ); + OUT_RING( clear->clear_color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + if ( flags & R128_DEPTH ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( clear->clear_depth ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + } +} + +static void r128_cce_dispatch_swap( drm_device_t *dev ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int i; + RING_LOCALS; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + +#if R128_PERFORMANCE_BOXES + /* Do some trivial performance monitoring... + */ + r128_cce_performance_boxes( dev_priv ); +#endif + + for ( i = 0 ; i < nbox ; i++ ) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + BEGIN_RING( 7 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) ); + OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | + R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (dev_priv->color_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_MEMORY | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | + R128_GMC_WR_MSK_DIS ); + + /* Make this work even if front & back are flipped: + */ + if (dev_priv->current_page == 0) { + OUT_RING( dev_priv->back_pitch_offset_c ); + OUT_RING( dev_priv->front_pitch_offset_c ); + } + else { + OUT_RING( dev_priv->front_pitch_offset_c ); + OUT_RING( dev_priv->back_pitch_offset_c ); + } + + OUT_RING( (x << 16) | y ); + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) ); + OUT_RING( dev_priv->sarea_priv->last_frame ); + + ADVANCE_RING(); +} + +static void r128_cce_dispatch_flip( drm_device_t *dev ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pfCurrentPage); + +#if R128_PERFORMANCE_BOXES + /* Do some trivial performance monitoring... + */ + r128_cce_performance_boxes( dev_priv ); +#endif + + BEGIN_RING( 4 ); + + R128_WAIT_UNTIL_PAGE_FLIPPED(); + OUT_RING( CCE_PACKET0( R128_CRTC_OFFSET, 0 ) ); + + if ( dev_priv->current_page == 0 ) { + OUT_RING( dev_priv->back_offset ); + } else { + OUT_RING( dev_priv->front_offset ); + } + + ADVANCE_RING(); + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page = + 1 - dev_priv->current_page; + + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_LAST_FRAME_REG, 0 ) ); + OUT_RING( dev_priv->sarea_priv->last_frame ); + + ADVANCE_RING(); +} + +static void r128_cce_dispatch_vertex( drm_device_t *dev, + drm_buf_t *buf ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int format = sarea_priv->vc_format; + int offset = buf->bus_address; + int size = buf->used; + int prim = buf_priv->prim; + int i = 0; + RING_LOCALS; + DRM_DEBUG( "buf=%d nbox=%d\n", buf->idx, sarea_priv->nbox ); + + if ( 0 ) + r128_print_dirty( "dispatch_vertex", sarea_priv->dirty ); + + if ( buf->used ) { + buf_priv->dispatched = 1; + + if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) { + r128_emit_state( dev_priv ); + } + + do { + /* Emit the next set of up to three cliprects */ + if ( i < sarea_priv->nbox ) { + r128_emit_clip_rects( dev_priv, + &sarea_priv->boxes[i], + sarea_priv->nbox - i ); + } + + /* Emit the vertex buffer rendering commands */ + BEGIN_RING( 5 ); + + OUT_RING( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, 3 ) ); + OUT_RING( offset ); + OUT_RING( size ); + OUT_RING( format ); + OUT_RING( prim | R128_CCE_VC_CNTL_PRIM_WALK_LIST | + (size << R128_CCE_VC_CNTL_NUM_SHIFT) ); + + ADVANCE_RING(); + + i += 3; + } while ( i < sarea_priv->nbox ); + } + + if ( buf_priv->discard ) { + buf_priv->age = dev_priv->sarea_priv->last_dispatch; + + /* Emit the vertex buffer age */ + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); + OUT_RING( buf_priv->age ); + + ADVANCE_RING(); + + buf->pending = 1; + buf->used = 0; + /* FIXME: Check dispatched field */ + buf_priv->dispatched = 0; + } + + dev_priv->sarea_priv->last_dispatch++; + + sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; + sarea_priv->nbox = 0; +} + +static void r128_cce_dispatch_indirect( drm_device_t *dev, + drm_buf_t *buf, + int start, int end ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + RING_LOCALS; + DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n", + buf->idx, start, end ); + + if ( start != end ) { + int offset = buf->bus_address + start; + int dwords = (end - start + 3) / sizeof(u32); + + /* Indirect buffer data must be an even number of + * dwords, so if we've been given an odd number we must + * pad the data with a Type-2 CCE packet. + */ + if ( dwords & 1 ) { + u32 *data = (u32 *) + ((char *)dev->agp_buffer_map->handle + + buf->offset + start); + data[dwords++] = cpu_to_le32( R128_CCE_PACKET2 ); + } + + buf_priv->dispatched = 1; + + /* Fire off the indirect buffer */ + BEGIN_RING( 3 ); + + OUT_RING( CCE_PACKET0( R128_PM4_IW_INDOFF, 1 ) ); + OUT_RING( offset ); + OUT_RING( dwords ); + + ADVANCE_RING(); + } + + if ( buf_priv->discard ) { + buf_priv->age = dev_priv->sarea_priv->last_dispatch; + + /* Emit the indirect buffer age */ + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); + OUT_RING( buf_priv->age ); + + ADVANCE_RING(); + + buf->pending = 1; + buf->used = 0; + /* FIXME: Check dispatched field */ + buf_priv->dispatched = 0; + } + + dev_priv->sarea_priv->last_dispatch++; +} + +static void r128_cce_dispatch_indices( drm_device_t *dev, + drm_buf_t *buf, + int start, int end, + int count ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_buf_priv_t *buf_priv = buf->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + int format = sarea_priv->vc_format; + int offset = dev->agp_buffer_map->offset - dev_priv->cce_buffers_offset; + int prim = buf_priv->prim; + u32 *data; + int dwords; + int i = 0; + RING_LOCALS; + DRM_DEBUG( "indices: s=%d e=%d c=%d\n", start, end, count ); + + if ( 0 ) + r128_print_dirty( "dispatch_indices", sarea_priv->dirty ); + + if ( start != end ) { + buf_priv->dispatched = 1; + + if ( sarea_priv->dirty & ~R128_UPLOAD_CLIPRECTS ) { + r128_emit_state( dev_priv ); + } + + dwords = (end - start + 3) / sizeof(u32); + + data = (u32 *)((char *)dev->agp_buffer_map->handle + + buf->offset + start); + + data[0] = cpu_to_le32( CCE_PACKET3( R128_3D_RNDR_GEN_INDX_PRIM, + dwords-2 ) ); + + data[1] = cpu_to_le32( offset ); + data[2] = cpu_to_le32( R128_MAX_VB_VERTS ); + data[3] = cpu_to_le32( format ); + data[4] = cpu_to_le32( (prim | R128_CCE_VC_CNTL_PRIM_WALK_IND | + (count << 16)) ); + + if ( count & 0x1 ) { +#ifdef __LITTLE_ENDIAN + data[dwords-1] &= 0x0000ffff; +#else + data[dwords-1] &= 0xffff0000; +#endif + } + + do { + /* Emit the next set of up to three cliprects */ + if ( i < sarea_priv->nbox ) { + r128_emit_clip_rects( dev_priv, + &sarea_priv->boxes[i], + sarea_priv->nbox - i ); + } + + r128_cce_dispatch_indirect( dev, buf, start, end ); + + i += 3; + } while ( i < sarea_priv->nbox ); + } + + if ( buf_priv->discard ) { + buf_priv->age = dev_priv->sarea_priv->last_dispatch; + + /* Emit the vertex buffer age */ + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_LAST_DISPATCH_REG, 0 ) ); + OUT_RING( buf_priv->age ); + + ADVANCE_RING(); + + buf->pending = 1; + /* FIXME: Check dispatched field */ + buf_priv->dispatched = 0; + } + + dev_priv->sarea_priv->last_dispatch++; + + sarea_priv->dirty &= ~R128_UPLOAD_CLIPRECTS; + sarea_priv->nbox = 0; +} + +static int r128_cce_dispatch_blit( DRMFILE filp, + drm_device_t *dev, + drm_r128_blit_t *blit ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_r128_buf_priv_t *buf_priv; + u32 *data; + int dword_shift, dwords; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + /* The compiler won't optimize away a division by a variable, + * even if the only legal values are powers of two. Thus, we'll + * use a shift instead. + */ + switch ( blit->format ) { + case R128_DATATYPE_ARGB8888: + dword_shift = 0; + break; + case R128_DATATYPE_ARGB1555: + case R128_DATATYPE_RGB565: + case R128_DATATYPE_ARGB4444: + case R128_DATATYPE_YVYU422: + case R128_DATATYPE_VYUY422: + dword_shift = 1; + break; + case R128_DATATYPE_CI8: + case R128_DATATYPE_RGB8: + dword_shift = 2; + break; + default: + DRM_ERROR( "invalid blit format %d\n", blit->format ); + return DRM_ERR(EINVAL); + } + + /* Flush the pixel cache, and mark the contents as Read Invalid. + * This ensures no pixel data gets mixed up with the texture + * data from the host data blit, otherwise part of the texture + * image may be corrupted. + */ + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) ); + OUT_RING( R128_PC_RI_GUI | R128_PC_FLUSH_GUI ); + + ADVANCE_RING(); + + /* Dispatch the indirect buffer. + */ + buf = dma->buflist[blit->idx]; + buf_priv = buf->dev_private; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", blit->idx ); + return DRM_ERR(EINVAL); + } + + buf_priv->discard = 1; + + dwords = (blit->width * blit->height) >> dword_shift; + + data = (u32 *)((char *)dev->agp_buffer_map->handle + buf->offset); + + data[0] = cpu_to_le32( CCE_PACKET3( R128_CNTL_HOSTDATA_BLT, dwords + 6 ) ); + data[1] = cpu_to_le32( (R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (blit->format << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_HOST_DATA | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_AUX_CLIP_DIS | + R128_GMC_WR_MSK_DIS) ); + + data[2] = cpu_to_le32( (blit->pitch << 21) | (blit->offset >> 5) ); + data[3] = cpu_to_le32( 0xffffffff ); + data[4] = cpu_to_le32( 0xffffffff ); + data[5] = cpu_to_le32( (blit->y << 16) | blit->x ); + data[6] = cpu_to_le32( (blit->height << 16) | blit->width ); + data[7] = cpu_to_le32( dwords ); + + buf->used = (dwords + 8) * sizeof(u32); + + r128_cce_dispatch_indirect( dev, buf, 0, buf->used ); + + /* Flush the pixel cache after the blit completes. This ensures + * the texture data is written out to memory before rendering + * continues. + */ + BEGIN_RING( 2 ); + + OUT_RING( CCE_PACKET0( R128_PC_GUI_CTLSTAT, 0 ) ); + OUT_RING( R128_PC_FLUSH_GUI ); + + ADVANCE_RING(); + + return 0; +} + + +/* ================================================================ + * Tiled depth buffer management + * + * FIXME: These should all set the destination write mask for when we + * have hardware stencil support. + */ + +static int r128_cce_dispatch_write_span( drm_device_t *dev, + drm_r128_depth_t *depth ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, x, y; + u32 *buffer; + u8 *mask; + int i, buffer_size, mask_size; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + count = depth->n; + if (count > 4096 || count <= 0) + return DRM_ERR(EMSGSIZE); + + if ( DRM_COPY_FROM_USER( &x, depth->x, sizeof(x) ) ) { + return DRM_ERR(EFAULT); + } + if ( DRM_COPY_FROM_USER( &y, depth->y, sizeof(y) ) ) { + return DRM_ERR(EFAULT); + } + + buffer_size = depth->n * sizeof(u32); + buffer = drm_alloc( buffer_size, DRM_MEM_BUFS ); + if ( buffer == NULL ) + return DRM_ERR(ENOMEM); + if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) { + drm_free( buffer, buffer_size, DRM_MEM_BUFS); + return DRM_ERR(EFAULT); + } + + mask_size = depth->n * sizeof(u8); + if ( depth->mask ) { + mask = drm_alloc( mask_size, DRM_MEM_BUFS ); + if ( mask == NULL ) { + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + return DRM_ERR(ENOMEM); + } + if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) { + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + drm_free( mask, mask_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + + for ( i = 0 ; i < count ; i++, x++ ) { + if ( mask[i] ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( buffer[i] ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (1 << 16) | 1 ); + + ADVANCE_RING(); + } + } + + drm_free( mask, mask_size, DRM_MEM_BUFS ); + } else { + for ( i = 0 ; i < count ; i++, x++ ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( buffer[i] ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (1 << 16) | 1 ); + + ADVANCE_RING(); + } + } + + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + + return 0; +} + +static int r128_cce_dispatch_write_pixels( drm_device_t *dev, + drm_r128_depth_t *depth ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, *x, *y; + u32 *buffer; + u8 *mask; + int i, xbuf_size, ybuf_size, buffer_size, mask_size; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + count = depth->n; + if (count > 4096 || count <= 0) + return DRM_ERR(EMSGSIZE); + + xbuf_size = count * sizeof(*x); + ybuf_size = count * sizeof(*y); + x = drm_alloc( xbuf_size, DRM_MEM_BUFS ); + if ( x == NULL ) { + return DRM_ERR(ENOMEM); + } + y = drm_alloc( ybuf_size, DRM_MEM_BUFS ); + if ( y == NULL ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + return DRM_ERR(ENOMEM); + } + if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + if ( DRM_COPY_FROM_USER( y, depth->y, xbuf_size ) ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + + buffer_size = depth->n * sizeof(u32); + buffer = drm_alloc( buffer_size, DRM_MEM_BUFS ); + if ( buffer == NULL ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + return DRM_ERR(ENOMEM); + } + if ( DRM_COPY_FROM_USER( buffer, depth->buffer, buffer_size ) ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + + if ( depth->mask ) { + mask_size = depth->n * sizeof(u8); + mask = drm_alloc( mask_size, DRM_MEM_BUFS ); + if ( mask == NULL ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + return DRM_ERR(ENOMEM); + } + if ( DRM_COPY_FROM_USER( mask, depth->mask, mask_size ) ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + drm_free( mask, mask_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + + for ( i = 0 ; i < count ; i++ ) { + if ( mask[i] ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( buffer[i] ); + + OUT_RING( (x[i] << 16) | y[i] ); + OUT_RING( (1 << 16) | 1 ); + + ADVANCE_RING(); + } + } + + drm_free( mask, mask_size, DRM_MEM_BUFS ); + } else { + for ( i = 0 ; i < count ; i++ ) { + BEGIN_RING( 6 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_SOLID_COLOR | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_P | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( buffer[i] ); + + OUT_RING( (x[i] << 16) | y[i] ); + OUT_RING( (1 << 16) | 1 ); + + ADVANCE_RING(); + } + } + + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + drm_free( buffer, buffer_size, DRM_MEM_BUFS ); + + return 0; +} + +static int r128_cce_dispatch_read_span( drm_device_t *dev, + drm_r128_depth_t *depth ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, x, y; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + count = depth->n; + if (count > 4096 || count <= 0) + return DRM_ERR(EMSGSIZE); + + if ( DRM_COPY_FROM_USER( &x, depth->x, sizeof(x) ) ) { + return DRM_ERR(EFAULT); + } + if ( DRM_COPY_FROM_USER( &y, depth->y, sizeof(y) ) ) { + return DRM_ERR(EFAULT); + } + + BEGIN_RING( 7 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) ); + OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | + R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_MEMORY | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( dev_priv->span_pitch_offset_c ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (0 << 16) | 0 ); + OUT_RING( (count << 16) | 1 ); + + ADVANCE_RING(); + + return 0; +} + +static int r128_cce_dispatch_read_pixels( drm_device_t *dev, + drm_r128_depth_t *depth ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int count, *x, *y; + int i, xbuf_size, ybuf_size; + RING_LOCALS; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + count = depth->n; + if (count > 4096 || count <= 0) + return DRM_ERR(EMSGSIZE); + + if ( count > dev_priv->depth_pitch ) { + count = dev_priv->depth_pitch; + } + + xbuf_size = count * sizeof(*x); + ybuf_size = count * sizeof(*y); + x = drm_alloc( xbuf_size, DRM_MEM_BUFS ); + if ( x == NULL ) { + return DRM_ERR(ENOMEM); + } + y = drm_alloc( ybuf_size, DRM_MEM_BUFS ); + if ( y == NULL ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + return DRM_ERR(ENOMEM); + } + if ( DRM_COPY_FROM_USER( x, depth->x, xbuf_size ) ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + if ( DRM_COPY_FROM_USER( y, depth->y, ybuf_size ) ) { + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + return DRM_ERR(EFAULT); + } + + for ( i = 0 ; i < count ; i++ ) { + BEGIN_RING( 7 ); + + OUT_RING( CCE_PACKET3( R128_CNTL_BITBLT_MULTI, 5 ) ); + OUT_RING( R128_GMC_SRC_PITCH_OFFSET_CNTL | + R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (dev_priv->depth_fmt << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_MEMORY | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_GMC_WR_MSK_DIS ); + + OUT_RING( dev_priv->depth_pitch_offset_c ); + OUT_RING( dev_priv->span_pitch_offset_c ); + + OUT_RING( (x[i] << 16) | y[i] ); + OUT_RING( (i << 16) | 0 ); + OUT_RING( (1 << 16) | 1 ); + + ADVANCE_RING(); + } + + drm_free( x, xbuf_size, DRM_MEM_BUFS ); + drm_free( y, ybuf_size, DRM_MEM_BUFS ); + + return 0; +} + + +/* ================================================================ + * Polygon stipple + */ + +static void r128_cce_dispatch_stipple( drm_device_t *dev, u32 *stipple ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + int i; + RING_LOCALS; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + BEGIN_RING( 33 ); + + OUT_RING( CCE_PACKET0( R128_BRUSH_DATA0, 31 ) ); + for ( i = 0 ; i < 32 ; i++ ) { + OUT_RING( stipple[i] ); + } + + ADVANCE_RING(); +} + + +/* ================================================================ + * IOCTL functions + */ + +static int r128_cce_clear( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_r128_clear_t clear; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( clear, (drm_r128_clear_t __user *) data, + sizeof(clear) ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; + + r128_cce_dispatch_clear( dev, &clear ); + COMMIT_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->dirty |= R128_UPLOAD_CONTEXT | R128_UPLOAD_MASKS; + + return 0; +} + +static int r128_do_init_pageflip( drm_device_t *dev ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + dev_priv->crtc_offset = R128_READ( R128_CRTC_OFFSET ); + dev_priv->crtc_offset_cntl = R128_READ( R128_CRTC_OFFSET_CNTL ); + + R128_WRITE( R128_CRTC_OFFSET, dev_priv->front_offset ); + R128_WRITE( R128_CRTC_OFFSET_CNTL, + dev_priv->crtc_offset_cntl | R128_CRTC_OFFSET_FLIP_CNTL ); + + dev_priv->page_flipping = 1; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page; + + return 0; +} + +int r128_do_cleanup_pageflip( drm_device_t *dev ) +{ + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + R128_WRITE( R128_CRTC_OFFSET, dev_priv->crtc_offset ); + R128_WRITE( R128_CRTC_OFFSET_CNTL, dev_priv->crtc_offset_cntl ); + + if (dev_priv->current_page != 0) { + r128_cce_dispatch_flip( dev ); + COMMIT_RING(); + } + + dev_priv->page_flipping = 0; + return 0; +} + +/* Swapping and flipping are different operations, need different ioctls. + * They can & should be intermixed to support multiple 3d windows. + */ + +static int r128_cce_flip( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if (!dev_priv->page_flipping) + r128_do_init_pageflip( dev ); + + r128_cce_dispatch_flip( dev ); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_swap( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_sarea_t *sarea_priv = dev_priv->sarea_priv; + DRM_DEBUG( "%s\n", __FUNCTION__ ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if ( sarea_priv->nbox > R128_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = R128_NR_SAREA_CLIPRECTS; + + r128_cce_dispatch_swap( dev ); + dev_priv->sarea_priv->dirty |= (R128_UPLOAD_CONTEXT | + R128_UPLOAD_MASKS); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_vertex( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_vertex_t vertex; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( vertex, (drm_r128_vertex_t __user *) data, + sizeof(vertex) ); + + DRM_DEBUG( "pid=%d index=%d count=%d discard=%d\n", + DRM_CURRENTPID, + vertex.idx, vertex.count, vertex.discard ); + + if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + vertex.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + if ( vertex.prim < 0 || + vertex.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) { + DRM_ERROR( "buffer prim %d\n", vertex.prim ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[vertex.idx]; + buf_priv = buf->dev_private; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); + return DRM_ERR(EINVAL); + } + + buf->used = vertex.count; + buf_priv->prim = vertex.prim; + buf_priv->discard = vertex.discard; + + r128_cce_dispatch_vertex( dev, buf ); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_indices( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_indices_t elts; + int count; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( elts, (drm_r128_indices_t __user *) data, + sizeof(elts) ); + + DRM_DEBUG( "pid=%d buf=%d s=%d e=%d d=%d\n", DRM_CURRENTPID, + elts.idx, elts.start, elts.end, elts.discard ); + + if ( elts.idx < 0 || elts.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + elts.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + if ( elts.prim < 0 || + elts.prim > R128_CCE_VC_CNTL_PRIM_TYPE_TRI_TYPE2 ) { + DRM_ERROR( "buffer prim %d\n", elts.prim ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[elts.idx]; + buf_priv = buf->dev_private; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", elts.idx ); + return DRM_ERR(EINVAL); + } + + count = (elts.end - elts.start) / sizeof(u16); + elts.start -= R128_INDEX_PRIM_OFFSET; + + if ( elts.start & 0x7 ) { + DRM_ERROR( "misaligned buffer 0x%x\n", elts.start ); + return DRM_ERR(EINVAL); + } + if ( elts.start < buf->used ) { + DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used ); + return DRM_ERR(EINVAL); + } + + buf->used = elts.end; + buf_priv->prim = elts.prim; + buf_priv->discard = elts.discard; + + r128_cce_dispatch_indices( dev, buf, elts.start, elts.end, count ); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_blit( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_device_dma_t *dma = dev->dma; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_blit_t blit; + int ret; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( blit, (drm_r128_blit_t __user *) data, + sizeof(blit) ); + + DRM_DEBUG( "pid=%d index=%d\n", DRM_CURRENTPID, blit.idx ); + + if ( blit.idx < 0 || blit.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + blit.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + ret = r128_cce_dispatch_blit( filp, dev, &blit ); + + COMMIT_RING(); + return ret; +} + +static int r128_cce_depth( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_depth_t depth; + int ret; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( depth, (drm_r128_depth_t __user *) data, + sizeof(depth) ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + ret = DRM_ERR(EINVAL); + switch ( depth.func ) { + case R128_WRITE_SPAN: + ret = r128_cce_dispatch_write_span( dev, &depth ); + case R128_WRITE_PIXELS: + ret = r128_cce_dispatch_write_pixels( dev, &depth ); + case R128_READ_SPAN: + ret = r128_cce_dispatch_read_span( dev, &depth ); + case R128_READ_PIXELS: + ret = r128_cce_dispatch_read_pixels( dev, &depth ); + } + + COMMIT_RING(); + return ret; +} + +static int r128_cce_stipple( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_stipple_t stipple; + u32 mask[32]; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( stipple, (drm_r128_stipple_t __user *) data, + sizeof(stipple) ); + + if ( DRM_COPY_FROM_USER( &mask, stipple.mask, + 32 * sizeof(u32) ) ) + return DRM_ERR( EFAULT ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + r128_cce_dispatch_stipple( dev, mask ); + + COMMIT_RING(); + return 0; +} + +static int r128_cce_indirect( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_r128_buf_priv_t *buf_priv; + drm_r128_indirect_t indirect; +#if 0 + RING_LOCALS; +#endif + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( indirect, (drm_r128_indirect_t __user *) data, + sizeof(indirect) ); + + DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n", + indirect.idx, indirect.start, + indirect.end, indirect.discard ); + + if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + indirect.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + buf = dma->buflist[indirect.idx]; + buf_priv = buf->dev_private; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", indirect.idx ); + return DRM_ERR(EINVAL); + } + + if ( indirect.start < buf->used ) { + DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n", + indirect.start, buf->used ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf->used = indirect.end; + buf_priv->discard = indirect.discard; + +#if 0 + /* Wait for the 3D stream to idle before the indirect buffer + * containing 2D acceleration commands is processed. + */ + BEGIN_RING( 2 ); + RADEON_WAIT_UNTIL_3D_IDLE(); + ADVANCE_RING(); +#endif + + /* Dispatch the indirect buffer full of commands from the + * X server. This is insecure and is thus only available to + * privileged clients. + */ + r128_cce_dispatch_indirect( dev, buf, indirect.start, indirect.end ); + + COMMIT_RING(); + return 0; +} + +static int r128_getparam( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_r128_private_t *dev_priv = dev->dev_private; + drm_r128_getparam_t param; + int value; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( param, (drm_r128_getparam_t __user *)data, + sizeof(param) ); + + DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID ); + + switch( param.param ) { + case R128_PARAM_IRQ_NR: + value = dev->irq; + break; + default: + return DRM_ERR(EINVAL); + } + + if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return DRM_ERR(EFAULT); + } + + return 0; +} + +void r128_driver_prerelease(drm_device_t *dev, DRMFILE filp) +{ + if ( dev->dev_private ) { + drm_r128_private_t *dev_priv = dev->dev_private; + if ( dev_priv->page_flipping ) { + r128_do_cleanup_pageflip( dev ); + } + } +} + +void r128_driver_pretakedown(drm_device_t *dev) +{ + r128_do_cleanup_cce( dev ); +} + +drm_ioctl_desc_t r128_ioctls[] = { + [DRM_IOCTL_NR(DRM_R128_INIT)] = { r128_cce_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_START)] = { r128_cce_start, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = { r128_cce_stop, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = { r128_cce_reset, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = { r128_cce_idle, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_RESET)] = { r128_engine_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = { r128_fullscreen, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_SWAP)] = { r128_cce_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_FLIP)] = { r128_cce_flip, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_CLEAR)] = { r128_cce_clear, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_VERTEX)] = { r128_cce_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_INDICES)] = { r128_cce_indices, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_BLIT)] = { r128_cce_blit, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_DEPTH)] = { r128_cce_depth, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = { r128_cce_stipple, 1, 0 }, + [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = { r128_cce_indirect, 1, 1 }, + [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = { r128_getparam, 1, 0 }, +}; + +int r128_max_ioctl = DRM_ARRAY_SIZE(r128_ioctls); diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c new file mode 100644 index 0000000..20bcf87 --- /dev/null +++ b/drivers/char/drm/radeon_cp.c @@ -0,0 +1,2061 @@ +/* radeon_cp.c -- CP support for Radeon -*- linux-c -*- + * + * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +#define RADEON_FIFO_DEBUG 0 + +static int radeon_do_cleanup_cp( drm_device_t *dev ); + +/* CP microcode (from ATI) */ +static u32 R200_cp_microcode[][2] = { + { 0x21007000, 0000000000 }, + { 0x20007000, 0000000000 }, + { 0x000000ab, 0x00000004 }, + { 0x000000af, 0x00000004 }, + { 0x66544a49, 0000000000 }, + { 0x49494174, 0000000000 }, + { 0x54517d83, 0000000000 }, + { 0x498d8b64, 0000000000 }, + { 0x49494949, 0000000000 }, + { 0x49da493c, 0000000000 }, + { 0x49989898, 0000000000 }, + { 0xd34949d5, 0000000000 }, + { 0x9dc90e11, 0000000000 }, + { 0xce9b9b9b, 0000000000 }, + { 0x000f0000, 0x00000016 }, + { 0x352e232c, 0000000000 }, + { 0x00000013, 0x00000004 }, + { 0x000f0000, 0x00000016 }, + { 0x352e272c, 0000000000 }, + { 0x000f0001, 0x00000016 }, + { 0x3239362f, 0000000000 }, + { 0x000077ef, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x00000020, 0x0000001a }, + { 0x00004000, 0x0000001e }, + { 0x00061000, 0x00000002 }, + { 0x00000020, 0x0000001a }, + { 0x00004000, 0x0000001e }, + { 0x00061000, 0x00000002 }, + { 0x00000020, 0x0000001a }, + { 0x00004000, 0x0000001e }, + { 0x00000016, 0x00000004 }, + { 0x0003802a, 0x00000002 }, + { 0x040067e0, 0x00000002 }, + { 0x00000016, 0x00000004 }, + { 0x000077e0, 0x00000002 }, + { 0x00065000, 0x00000002 }, + { 0x000037e1, 0x00000002 }, + { 0x040067e1, 0x00000006 }, + { 0x000077e0, 0x00000002 }, + { 0x000077e1, 0x00000002 }, + { 0x000077e1, 0x00000006 }, + { 0xffffffff, 0000000000 }, + { 0x10000000, 0000000000 }, + { 0x0003802a, 0x00000002 }, + { 0x040067e0, 0x00000006 }, + { 0x00007675, 0x00000002 }, + { 0x00007676, 0x00000002 }, + { 0x00007677, 0x00000002 }, + { 0x00007678, 0x00000006 }, + { 0x0003802b, 0x00000002 }, + { 0x04002676, 0x00000002 }, + { 0x00007677, 0x00000002 }, + { 0x00007678, 0x00000006 }, + { 0x0000002e, 0x00000018 }, + { 0x0000002e, 0x00000018 }, + { 0000000000, 0x00000006 }, + { 0x0000002f, 0x00000018 }, + { 0x0000002f, 0x00000018 }, + { 0000000000, 0x00000006 }, + { 0x01605000, 0x00000002 }, + { 0x00065000, 0x00000002 }, + { 0x00098000, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x64c0603d, 0x00000004 }, + { 0x00080000, 0x00000016 }, + { 0000000000, 0000000000 }, + { 0x0400251d, 0x00000002 }, + { 0x00007580, 0x00000002 }, + { 0x00067581, 0x00000002 }, + { 0x04002580, 0x00000002 }, + { 0x00067581, 0x00000002 }, + { 0x00000046, 0x00000004 }, + { 0x00005000, 0000000000 }, + { 0x00061000, 0x00000002 }, + { 0x0000750e, 0x00000002 }, + { 0x00019000, 0x00000002 }, + { 0x00011055, 0x00000014 }, + { 0x00000055, 0x00000012 }, + { 0x0400250f, 0x00000002 }, + { 0x0000504a, 0x00000004 }, + { 0x00007565, 0x00000002 }, + { 0x00007566, 0x00000002 }, + { 0x00000051, 0x00000004 }, + { 0x01e655b4, 0x00000002 }, + { 0x4401b0dc, 0x00000002 }, + { 0x01c110dc, 0x00000002 }, + { 0x2666705d, 0x00000018 }, + { 0x040c2565, 0x00000002 }, + { 0x0000005d, 0x00000018 }, + { 0x04002564, 0x00000002 }, + { 0x00007566, 0x00000002 }, + { 0x00000054, 0x00000004 }, + { 0x00401060, 0x00000008 }, + { 0x00101000, 0x00000002 }, + { 0x000d80ff, 0x00000002 }, + { 0x00800063, 0x00000008 }, + { 0x000f9000, 0x00000002 }, + { 0x000e00ff, 0x00000002 }, + { 0000000000, 0x00000006 }, + { 0x00000080, 0x00000018 }, + { 0x00000054, 0x00000004 }, + { 0x00007576, 0x00000002 }, + { 0x00065000, 0x00000002 }, + { 0x00009000, 0x00000002 }, + { 0x00041000, 0x00000002 }, + { 0x0c00350e, 0x00000002 }, + { 0x00049000, 0x00000002 }, + { 0x00051000, 0x00000002 }, + { 0x01e785f8, 0x00000002 }, + { 0x00200000, 0x00000002 }, + { 0x00600073, 0x0000000c }, + { 0x00007563, 0x00000002 }, + { 0x006075f0, 0x00000021 }, + { 0x20007068, 0x00000004 }, + { 0x00005068, 0x00000004 }, + { 0x00007576, 0x00000002 }, + { 0x00007577, 0x00000002 }, + { 0x0000750e, 0x00000002 }, + { 0x0000750f, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00600076, 0x0000000c }, + { 0x006075f0, 0x00000021 }, + { 0x000075f8, 0x00000002 }, + { 0x00000076, 0x00000004 }, + { 0x000a750e, 0x00000002 }, + { 0x0020750f, 0x00000002 }, + { 0x00600079, 0x00000004 }, + { 0x00007570, 0x00000002 }, + { 0x00007571, 0x00000002 }, + { 0x00007572, 0x00000006 }, + { 0x00005000, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00007568, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x00000084, 0x0000000c }, + { 0x00058000, 0x00000002 }, + { 0x0c607562, 0x00000002 }, + { 0x00000086, 0x00000004 }, + { 0x00600085, 0x00000004 }, + { 0x400070dd, 0000000000 }, + { 0x000380dd, 0x00000002 }, + { 0x00000093, 0x0000001c }, + { 0x00065095, 0x00000018 }, + { 0x040025bb, 0x00000002 }, + { 0x00061096, 0x00000018 }, + { 0x040075bc, 0000000000 }, + { 0x000075bb, 0x00000002 }, + { 0x000075bc, 0000000000 }, + { 0x00090000, 0x00000006 }, + { 0x00090000, 0x00000002 }, + { 0x000d8002, 0x00000006 }, + { 0x00005000, 0x00000002 }, + { 0x00007821, 0x00000002 }, + { 0x00007800, 0000000000 }, + { 0x00007821, 0x00000002 }, + { 0x00007800, 0000000000 }, + { 0x01665000, 0x00000002 }, + { 0x000a0000, 0x00000002 }, + { 0x000671cc, 0x00000002 }, + { 0x0286f1cd, 0x00000002 }, + { 0x000000a3, 0x00000010 }, + { 0x21007000, 0000000000 }, + { 0x000000aa, 0x0000001c }, + { 0x00065000, 0x00000002 }, + { 0x000a0000, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x000b0000, 0x00000002 }, + { 0x38067000, 0x00000002 }, + { 0x000a00a6, 0x00000004 }, + { 0x20007000, 0000000000 }, + { 0x01200000, 0x00000002 }, + { 0x20077000, 0x00000002 }, + { 0x01200000, 0x00000002 }, + { 0x20007000, 0000000000 }, + { 0x00061000, 0x00000002 }, + { 0x0120751b, 0x00000002 }, + { 0x8040750a, 0x00000002 }, + { 0x8040750b, 0x00000002 }, + { 0x00110000, 0x00000002 }, + { 0x000380dd, 0x00000002 }, + { 0x000000bd, 0x0000001c }, + { 0x00061096, 0x00000018 }, + { 0x844075bd, 0x00000002 }, + { 0x00061095, 0x00000018 }, + { 0x840075bb, 0x00000002 }, + { 0x00061096, 0x00000018 }, + { 0x844075bc, 0x00000002 }, + { 0x000000c0, 0x00000004 }, + { 0x804075bd, 0x00000002 }, + { 0x800075bb, 0x00000002 }, + { 0x804075bc, 0x00000002 }, + { 0x00108000, 0x00000002 }, + { 0x01400000, 0x00000002 }, + { 0x006000c4, 0x0000000c }, + { 0x20c07000, 0x00000020 }, + { 0x000000c6, 0x00000012 }, + { 0x00800000, 0x00000006 }, + { 0x0080751d, 0x00000006 }, + { 0x000025bb, 0x00000002 }, + { 0x000040c0, 0x00000004 }, + { 0x0000775c, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00661000, 0x00000002 }, + { 0x0460275d, 0x00000020 }, + { 0x00004000, 0000000000 }, + { 0x00007999, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00661000, 0x00000002 }, + { 0x0460299b, 0x00000020 }, + { 0x00004000, 0000000000 }, + { 0x01e00830, 0x00000002 }, + { 0x21007000, 0000000000 }, + { 0x00005000, 0x00000002 }, + { 0x00038042, 0x00000002 }, + { 0x040025e0, 0x00000002 }, + { 0x000075e1, 0000000000 }, + { 0x00000001, 0000000000 }, + { 0x000380d9, 0x00000002 }, + { 0x04007394, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, +}; + + +static u32 radeon_cp_microcode[][2] = { + { 0x21007000, 0000000000 }, + { 0x20007000, 0000000000 }, + { 0x000000b4, 0x00000004 }, + { 0x000000b8, 0x00000004 }, + { 0x6f5b4d4c, 0000000000 }, + { 0x4c4c427f, 0000000000 }, + { 0x5b568a92, 0000000000 }, + { 0x4ca09c6d, 0000000000 }, + { 0xad4c4c4c, 0000000000 }, + { 0x4ce1af3d, 0000000000 }, + { 0xd8afafaf, 0000000000 }, + { 0xd64c4cdc, 0000000000 }, + { 0x4cd10d10, 0000000000 }, + { 0x000f0000, 0x00000016 }, + { 0x362f242d, 0000000000 }, + { 0x00000012, 0x00000004 }, + { 0x000f0000, 0x00000016 }, + { 0x362f282d, 0000000000 }, + { 0x000380e7, 0x00000002 }, + { 0x04002c97, 0x00000002 }, + { 0x000f0001, 0x00000016 }, + { 0x333a3730, 0000000000 }, + { 0x000077ef, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x00000021, 0x0000001a }, + { 0x00004000, 0x0000001e }, + { 0x00061000, 0x00000002 }, + { 0x00000021, 0x0000001a }, + { 0x00004000, 0x0000001e }, + { 0x00061000, 0x00000002 }, + { 0x00000021, 0x0000001a }, + { 0x00004000, 0x0000001e }, + { 0x00000017, 0x00000004 }, + { 0x0003802b, 0x00000002 }, + { 0x040067e0, 0x00000002 }, + { 0x00000017, 0x00000004 }, + { 0x000077e0, 0x00000002 }, + { 0x00065000, 0x00000002 }, + { 0x000037e1, 0x00000002 }, + { 0x040067e1, 0x00000006 }, + { 0x000077e0, 0x00000002 }, + { 0x000077e1, 0x00000002 }, + { 0x000077e1, 0x00000006 }, + { 0xffffffff, 0000000000 }, + { 0x10000000, 0000000000 }, + { 0x0003802b, 0x00000002 }, + { 0x040067e0, 0x00000006 }, + { 0x00007675, 0x00000002 }, + { 0x00007676, 0x00000002 }, + { 0x00007677, 0x00000002 }, + { 0x00007678, 0x00000006 }, + { 0x0003802c, 0x00000002 }, + { 0x04002676, 0x00000002 }, + { 0x00007677, 0x00000002 }, + { 0x00007678, 0x00000006 }, + { 0x0000002f, 0x00000018 }, + { 0x0000002f, 0x00000018 }, + { 0000000000, 0x00000006 }, + { 0x00000030, 0x00000018 }, + { 0x00000030, 0x00000018 }, + { 0000000000, 0x00000006 }, + { 0x01605000, 0x00000002 }, + { 0x00065000, 0x00000002 }, + { 0x00098000, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x64c0603e, 0x00000004 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00080000, 0x00000016 }, + { 0000000000, 0000000000 }, + { 0x0400251d, 0x00000002 }, + { 0x00007580, 0x00000002 }, + { 0x00067581, 0x00000002 }, + { 0x04002580, 0x00000002 }, + { 0x00067581, 0x00000002 }, + { 0x00000049, 0x00000004 }, + { 0x00005000, 0000000000 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x0000750e, 0x00000002 }, + { 0x00019000, 0x00000002 }, + { 0x00011055, 0x00000014 }, + { 0x00000055, 0x00000012 }, + { 0x0400250f, 0x00000002 }, + { 0x0000504f, 0x00000004 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00007565, 0x00000002 }, + { 0x00007566, 0x00000002 }, + { 0x00000058, 0x00000004 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x01e655b4, 0x00000002 }, + { 0x4401b0e4, 0x00000002 }, + { 0x01c110e4, 0x00000002 }, + { 0x26667066, 0x00000018 }, + { 0x040c2565, 0x00000002 }, + { 0x00000066, 0x00000018 }, + { 0x04002564, 0x00000002 }, + { 0x00007566, 0x00000002 }, + { 0x0000005d, 0x00000004 }, + { 0x00401069, 0x00000008 }, + { 0x00101000, 0x00000002 }, + { 0x000d80ff, 0x00000002 }, + { 0x0080006c, 0x00000008 }, + { 0x000f9000, 0x00000002 }, + { 0x000e00ff, 0x00000002 }, + { 0000000000, 0x00000006 }, + { 0x0000008f, 0x00000018 }, + { 0x0000005b, 0x00000004 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00007576, 0x00000002 }, + { 0x00065000, 0x00000002 }, + { 0x00009000, 0x00000002 }, + { 0x00041000, 0x00000002 }, + { 0x0c00350e, 0x00000002 }, + { 0x00049000, 0x00000002 }, + { 0x00051000, 0x00000002 }, + { 0x01e785f8, 0x00000002 }, + { 0x00200000, 0x00000002 }, + { 0x0060007e, 0x0000000c }, + { 0x00007563, 0x00000002 }, + { 0x006075f0, 0x00000021 }, + { 0x20007073, 0x00000004 }, + { 0x00005073, 0x00000004 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00007576, 0x00000002 }, + { 0x00007577, 0x00000002 }, + { 0x0000750e, 0x00000002 }, + { 0x0000750f, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00600083, 0x0000000c }, + { 0x006075f0, 0x00000021 }, + { 0x000075f8, 0x00000002 }, + { 0x00000083, 0x00000004 }, + { 0x000a750e, 0x00000002 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x0020750f, 0x00000002 }, + { 0x00600086, 0x00000004 }, + { 0x00007570, 0x00000002 }, + { 0x00007571, 0x00000002 }, + { 0x00007572, 0x00000006 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00005000, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00007568, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x00000095, 0x0000000c }, + { 0x00058000, 0x00000002 }, + { 0x0c607562, 0x00000002 }, + { 0x00000097, 0x00000004 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x00600096, 0x00000004 }, + { 0x400070e5, 0000000000 }, + { 0x000380e6, 0x00000002 }, + { 0x040025c5, 0x00000002 }, + { 0x000380e5, 0x00000002 }, + { 0x000000a8, 0x0000001c }, + { 0x000650aa, 0x00000018 }, + { 0x040025bb, 0x00000002 }, + { 0x000610ab, 0x00000018 }, + { 0x040075bc, 0000000000 }, + { 0x000075bb, 0x00000002 }, + { 0x000075bc, 0000000000 }, + { 0x00090000, 0x00000006 }, + { 0x00090000, 0x00000002 }, + { 0x000d8002, 0x00000006 }, + { 0x00007832, 0x00000002 }, + { 0x00005000, 0x00000002 }, + { 0x000380e7, 0x00000002 }, + { 0x04002c97, 0x00000002 }, + { 0x00007820, 0x00000002 }, + { 0x00007821, 0x00000002 }, + { 0x00007800, 0000000000 }, + { 0x01200000, 0x00000002 }, + { 0x20077000, 0x00000002 }, + { 0x01200000, 0x00000002 }, + { 0x20007000, 0x00000002 }, + { 0x00061000, 0x00000002 }, + { 0x0120751b, 0x00000002 }, + { 0x8040750a, 0x00000002 }, + { 0x8040750b, 0x00000002 }, + { 0x00110000, 0x00000002 }, + { 0x000380e5, 0x00000002 }, + { 0x000000c6, 0x0000001c }, + { 0x000610ab, 0x00000018 }, + { 0x844075bd, 0x00000002 }, + { 0x000610aa, 0x00000018 }, + { 0x840075bb, 0x00000002 }, + { 0x000610ab, 0x00000018 }, + { 0x844075bc, 0x00000002 }, + { 0x000000c9, 0x00000004 }, + { 0x804075bd, 0x00000002 }, + { 0x800075bb, 0x00000002 }, + { 0x804075bc, 0x00000002 }, + { 0x00108000, 0x00000002 }, + { 0x01400000, 0x00000002 }, + { 0x006000cd, 0x0000000c }, + { 0x20c07000, 0x00000020 }, + { 0x000000cf, 0x00000012 }, + { 0x00800000, 0x00000006 }, + { 0x0080751d, 0x00000006 }, + { 0000000000, 0000000000 }, + { 0x0000775c, 0x00000002 }, + { 0x00a05000, 0x00000002 }, + { 0x00661000, 0x00000002 }, + { 0x0460275d, 0x00000020 }, + { 0x00004000, 0000000000 }, + { 0x01e00830, 0x00000002 }, + { 0x21007000, 0000000000 }, + { 0x6464614d, 0000000000 }, + { 0x69687420, 0000000000 }, + { 0x00000073, 0000000000 }, + { 0000000000, 0000000000 }, + { 0x00005000, 0x00000002 }, + { 0x000380d0, 0x00000002 }, + { 0x040025e0, 0x00000002 }, + { 0x000075e1, 0000000000 }, + { 0x00000001, 0000000000 }, + { 0x000380e0, 0x00000002 }, + { 0x04002394, 0x00000002 }, + { 0x00005000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0x00000008, 0000000000 }, + { 0x00000004, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, +}; + +static u32 R300_cp_microcode[][2] = { + { 0x4200e000, 0000000000 }, + { 0x4000e000, 0000000000 }, + { 0x000000af, 0x00000008 }, + { 0x000000b3, 0x00000008 }, + { 0x6c5a504f, 0000000000 }, + { 0x4f4f497a, 0000000000 }, + { 0x5a578288, 0000000000 }, + { 0x4f91906a, 0000000000 }, + { 0x4f4f4f4f, 0000000000 }, + { 0x4fe24f44, 0000000000 }, + { 0x4f9c9c9c, 0000000000 }, + { 0xdc4f4fde, 0000000000 }, + { 0xa1cd4f4f, 0000000000 }, + { 0xd29d9d9d, 0000000000 }, + { 0x4f0f9fd7, 0000000000 }, + { 0x000ca000, 0x00000004 }, + { 0x000d0012, 0x00000038 }, + { 0x0000e8b4, 0x00000004 }, + { 0x000d0014, 0x00000038 }, + { 0x0000e8b6, 0x00000004 }, + { 0x000d0016, 0x00000038 }, + { 0x0000e854, 0x00000004 }, + { 0x000d0018, 0x00000038 }, + { 0x0000e855, 0x00000004 }, + { 0x000d001a, 0x00000038 }, + { 0x0000e856, 0x00000004 }, + { 0x000d001c, 0x00000038 }, + { 0x0000e857, 0x00000004 }, + { 0x000d001e, 0x00000038 }, + { 0x0000e824, 0x00000004 }, + { 0x000d0020, 0x00000038 }, + { 0x0000e825, 0x00000004 }, + { 0x000d0022, 0x00000038 }, + { 0x0000e830, 0x00000004 }, + { 0x000d0024, 0x00000038 }, + { 0x0000f0c0, 0x00000004 }, + { 0x000d0026, 0x00000038 }, + { 0x0000f0c1, 0x00000004 }, + { 0x000d0028, 0x00000038 }, + { 0x0000f041, 0x00000004 }, + { 0x000d002a, 0x00000038 }, + { 0x0000f184, 0x00000004 }, + { 0x000d002c, 0x00000038 }, + { 0x0000f185, 0x00000004 }, + { 0x000d002e, 0x00000038 }, + { 0x0000f186, 0x00000004 }, + { 0x000d0030, 0x00000038 }, + { 0x0000f187, 0x00000004 }, + { 0x000d0032, 0x00000038 }, + { 0x0000f180, 0x00000004 }, + { 0x000d0034, 0x00000038 }, + { 0x0000f393, 0x00000004 }, + { 0x000d0036, 0x00000038 }, + { 0x0000f38a, 0x00000004 }, + { 0x000d0038, 0x00000038 }, + { 0x0000f38e, 0x00000004 }, + { 0x0000e821, 0x00000004 }, + { 0x0140a000, 0x00000004 }, + { 0x00000043, 0x00000018 }, + { 0x00cce800, 0x00000004 }, + { 0x001b0001, 0x00000004 }, + { 0x08004800, 0x00000004 }, + { 0x001b0001, 0x00000004 }, + { 0x08004800, 0x00000004 }, + { 0x001b0001, 0x00000004 }, + { 0x08004800, 0x00000004 }, + { 0x0000003a, 0x00000008 }, + { 0x0000a000, 0000000000 }, + { 0x02c0a000, 0x00000004 }, + { 0x000ca000, 0x00000004 }, + { 0x00130000, 0x00000004 }, + { 0x000c2000, 0x00000004 }, + { 0xc980c045, 0x00000008 }, + { 0x2000451d, 0x00000004 }, + { 0x0000e580, 0x00000004 }, + { 0x000ce581, 0x00000004 }, + { 0x08004580, 0x00000004 }, + { 0x000ce581, 0x00000004 }, + { 0x0000004c, 0x00000008 }, + { 0x0000a000, 0000000000 }, + { 0x000c2000, 0x00000004 }, + { 0x0000e50e, 0x00000004 }, + { 0x00032000, 0x00000004 }, + { 0x00022056, 0x00000028 }, + { 0x00000056, 0x00000024 }, + { 0x0800450f, 0x00000004 }, + { 0x0000a050, 0x00000008 }, + { 0x0000e565, 0x00000004 }, + { 0x0000e566, 0x00000004 }, + { 0x00000057, 0x00000008 }, + { 0x03cca5b4, 0x00000004 }, + { 0x05432000, 0x00000004 }, + { 0x00022000, 0x00000004 }, + { 0x4ccce063, 0x00000030 }, + { 0x08274565, 0x00000004 }, + { 0x00000063, 0x00000030 }, + { 0x08004564, 0x00000004 }, + { 0x0000e566, 0x00000004 }, + { 0x0000005a, 0x00000008 }, + { 0x00802066, 0x00000010 }, + { 0x00202000, 0x00000004 }, + { 0x001b00ff, 0x00000004 }, + { 0x01000069, 0x00000010 }, + { 0x001f2000, 0x00000004 }, + { 0x001c00ff, 0x00000004 }, + { 0000000000, 0x0000000c }, + { 0x00000085, 0x00000030 }, + { 0x0000005a, 0x00000008 }, + { 0x0000e576, 0x00000004 }, + { 0x000ca000, 0x00000004 }, + { 0x00012000, 0x00000004 }, + { 0x00082000, 0x00000004 }, + { 0x1800650e, 0x00000004 }, + { 0x00092000, 0x00000004 }, + { 0x000a2000, 0x00000004 }, + { 0x000f0000, 0x00000004 }, + { 0x00400000, 0x00000004 }, + { 0x00000079, 0x00000018 }, + { 0x0000e563, 0x00000004 }, + { 0x00c0e5f9, 0x000000c2 }, + { 0x0000006e, 0x00000008 }, + { 0x0000a06e, 0x00000008 }, + { 0x0000e576, 0x00000004 }, + { 0x0000e577, 0x00000004 }, + { 0x0000e50e, 0x00000004 }, + { 0x0000e50f, 0x00000004 }, + { 0x0140a000, 0x00000004 }, + { 0x0000007c, 0x00000018 }, + { 0x00c0e5f9, 0x000000c2 }, + { 0x0000007c, 0x00000008 }, + { 0x0014e50e, 0x00000004 }, + { 0x0040e50f, 0x00000004 }, + { 0x00c0007f, 0x00000008 }, + { 0x0000e570, 0x00000004 }, + { 0x0000e571, 0x00000004 }, + { 0x0000e572, 0x0000000c }, + { 0x0000a000, 0x00000004 }, + { 0x0140a000, 0x00000004 }, + { 0x0000e568, 0x00000004 }, + { 0x000c2000, 0x00000004 }, + { 0x00000089, 0x00000018 }, + { 0x000b0000, 0x00000004 }, + { 0x18c0e562, 0x00000004 }, + { 0x0000008b, 0x00000008 }, + { 0x00c0008a, 0x00000008 }, + { 0x000700e4, 0x00000004 }, + { 0x00000097, 0x00000038 }, + { 0x000ca099, 0x00000030 }, + { 0x080045bb, 0x00000004 }, + { 0x000c209a, 0x00000030 }, + { 0x0800e5bc, 0000000000 }, + { 0x0000e5bb, 0x00000004 }, + { 0x0000e5bc, 0000000000 }, + { 0x00120000, 0x0000000c }, + { 0x00120000, 0x00000004 }, + { 0x001b0002, 0x0000000c }, + { 0x0000a000, 0x00000004 }, + { 0x0000e821, 0x00000004 }, + { 0x0000e800, 0000000000 }, + { 0x0000e821, 0x00000004 }, + { 0x0000e82e, 0000000000 }, + { 0x02cca000, 0x00000004 }, + { 0x00140000, 0x00000004 }, + { 0x000ce1cc, 0x00000004 }, + { 0x050de1cd, 0x00000004 }, + { 0x000000a7, 0x00000020 }, + { 0x4200e000, 0000000000 }, + { 0x000000ae, 0x00000038 }, + { 0x000ca000, 0x00000004 }, + { 0x00140000, 0x00000004 }, + { 0x000c2000, 0x00000004 }, + { 0x00160000, 0x00000004 }, + { 0x700ce000, 0x00000004 }, + { 0x001400aa, 0x00000008 }, + { 0x4000e000, 0000000000 }, + { 0x02400000, 0x00000004 }, + { 0x400ee000, 0x00000004 }, + { 0x02400000, 0x00000004 }, + { 0x4000e000, 0000000000 }, + { 0x000c2000, 0x00000004 }, + { 0x0240e51b, 0x00000004 }, + { 0x0080e50a, 0x00000005 }, + { 0x0080e50b, 0x00000005 }, + { 0x00220000, 0x00000004 }, + { 0x000700e4, 0x00000004 }, + { 0x000000c1, 0x00000038 }, + { 0x000c209a, 0x00000030 }, + { 0x0880e5bd, 0x00000005 }, + { 0x000c2099, 0x00000030 }, + { 0x0800e5bb, 0x00000005 }, + { 0x000c209a, 0x00000030 }, + { 0x0880e5bc, 0x00000005 }, + { 0x000000c4, 0x00000008 }, + { 0x0080e5bd, 0x00000005 }, + { 0x0000e5bb, 0x00000005 }, + { 0x0080e5bc, 0x00000005 }, + { 0x00210000, 0x00000004 }, + { 0x02800000, 0x00000004 }, + { 0x00c000c8, 0x00000018 }, + { 0x4180e000, 0x00000040 }, + { 0x000000ca, 0x00000024 }, + { 0x01000000, 0x0000000c }, + { 0x0100e51d, 0x0000000c }, + { 0x000045bb, 0x00000004 }, + { 0x000080c4, 0x00000008 }, + { 0x0000f3ce, 0x00000004 }, + { 0x0140a000, 0x00000004 }, + { 0x00cc2000, 0x00000004 }, + { 0x08c053cf, 0x00000040 }, + { 0x00008000, 0000000000 }, + { 0x0000f3d2, 0x00000004 }, + { 0x0140a000, 0x00000004 }, + { 0x00cc2000, 0x00000004 }, + { 0x08c053d3, 0x00000040 }, + { 0x00008000, 0000000000 }, + { 0x0000f39d, 0x00000004 }, + { 0x0140a000, 0x00000004 }, + { 0x00cc2000, 0x00000004 }, + { 0x08c0539e, 0x00000040 }, + { 0x00008000, 0000000000 }, + { 0x03c00830, 0x00000004 }, + { 0x4200e000, 0000000000 }, + { 0x0000a000, 0x00000004 }, + { 0x200045e0, 0x00000004 }, + { 0x0000e5e1, 0000000000 }, + { 0x00000001, 0000000000 }, + { 0x000700e1, 0x00000004 }, + { 0x0800e394, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, + { 0000000000, 0000000000 }, +}; + +static int RADEON_READ_PLL(drm_device_t *dev, int addr) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + RADEON_WRITE8(RADEON_CLOCK_CNTL_INDEX, addr & 0x1f); + return RADEON_READ(RADEON_CLOCK_CNTL_DATA); +} + +#if RADEON_FIFO_DEBUG +static void radeon_status( drm_radeon_private_t *dev_priv ) +{ + printk( "%s:\n", __FUNCTION__ ); + printk( "RBBM_STATUS = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_RBBM_STATUS ) ); + printk( "CP_RB_RTPR = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_CP_RB_RPTR ) ); + printk( "CP_RB_WTPR = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_CP_RB_WPTR ) ); + printk( "AIC_CNTL = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_AIC_CNTL ) ); + printk( "AIC_STAT = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_AIC_STAT ) ); + printk( "AIC_PT_BASE = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_AIC_PT_BASE ) ); + printk( "TLB_ADDR = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_AIC_TLB_ADDR ) ); + printk( "TLB_DATA = 0x%08x\n", + (unsigned int)RADEON_READ( RADEON_AIC_TLB_DATA ) ); +} +#endif + + +/* ================================================================ + * Engine, FIFO control + */ + +static int radeon_do_pixcache_flush( drm_radeon_private_t *dev_priv ) +{ + u32 tmp; + int i; + + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + + tmp = RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ); + tmp |= RADEON_RB2D_DC_FLUSH_ALL; + RADEON_WRITE( RADEON_RB2D_DSTCACHE_CTLSTAT, tmp ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + if ( !(RADEON_READ( RADEON_RB2D_DSTCACHE_CTLSTAT ) + & RADEON_RB2D_DC_BUSY) ) { + return 0; + } + DRM_UDELAY( 1 ); + } + +#if RADEON_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); + radeon_status( dev_priv ); +#endif + return DRM_ERR(EBUSY); +} + +static int radeon_do_wait_for_fifo( drm_radeon_private_t *dev_priv, + int entries ) +{ + int i; + + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + int slots = ( RADEON_READ( RADEON_RBBM_STATUS ) + & RADEON_RBBM_FIFOCNT_MASK ); + if ( slots >= entries ) return 0; + DRM_UDELAY( 1 ); + } + +#if RADEON_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); + radeon_status( dev_priv ); +#endif + return DRM_ERR(EBUSY); +} + +static int radeon_do_wait_for_idle( drm_radeon_private_t *dev_priv ) +{ + int i, ret; + + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + + ret = radeon_do_wait_for_fifo( dev_priv, 64 ); + if ( ret ) return ret; + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + if ( !(RADEON_READ( RADEON_RBBM_STATUS ) + & RADEON_RBBM_ACTIVE) ) { + radeon_do_pixcache_flush( dev_priv ); + return 0; + } + DRM_UDELAY( 1 ); + } + +#if RADEON_FIFO_DEBUG + DRM_ERROR( "failed!\n" ); + radeon_status( dev_priv ); +#endif + return DRM_ERR(EBUSY); +} + + +/* ================================================================ + * CP control, initialization + */ + +/* Load the microcode for the CP */ +static void radeon_cp_load_microcode( drm_radeon_private_t *dev_priv ) +{ + int i; + DRM_DEBUG( "\n" ); + + radeon_do_wait_for_idle( dev_priv ); + + RADEON_WRITE( RADEON_CP_ME_RAM_ADDR, 0 ); + + if (dev_priv->microcode_version==UCODE_R200) { + DRM_INFO("Loading R200 Microcode\n"); + for ( i = 0 ; i < 256 ; i++ ) + { + RADEON_WRITE( RADEON_CP_ME_RAM_DATAH, + R200_cp_microcode[i][1] ); + RADEON_WRITE( RADEON_CP_ME_RAM_DATAL, + R200_cp_microcode[i][0] ); + } + } else if (dev_priv->microcode_version==UCODE_R300) { + DRM_INFO("Loading R300 Microcode\n"); + for ( i = 0 ; i < 256 ; i++ ) + { + RADEON_WRITE( RADEON_CP_ME_RAM_DATAH, + R300_cp_microcode[i][1] ); + RADEON_WRITE( RADEON_CP_ME_RAM_DATAL, + R300_cp_microcode[i][0] ); + } + } else { + for ( i = 0 ; i < 256 ; i++ ) { + RADEON_WRITE( RADEON_CP_ME_RAM_DATAH, + radeon_cp_microcode[i][1] ); + RADEON_WRITE( RADEON_CP_ME_RAM_DATAL, + radeon_cp_microcode[i][0] ); + } + } +} + +/* Flush any pending commands to the CP. This should only be used just + * prior to a wait for idle, as it informs the engine that the command + * stream is ending. + */ +static void radeon_do_cp_flush( drm_radeon_private_t *dev_priv ) +{ + DRM_DEBUG( "\n" ); +#if 0 + u32 tmp; + + tmp = RADEON_READ( RADEON_CP_RB_WPTR ) | (1 << 31); + RADEON_WRITE( RADEON_CP_RB_WPTR, tmp ); +#endif +} + +/* Wait for the CP to go idle. + */ +int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ) +{ + RING_LOCALS; + DRM_DEBUG( "\n" ); + + BEGIN_RING( 6 ); + + RADEON_PURGE_CACHE(); + RADEON_PURGE_ZCACHE(); + RADEON_WAIT_UNTIL_IDLE(); + + ADVANCE_RING(); + COMMIT_RING(); + + return radeon_do_wait_for_idle( dev_priv ); +} + +/* Start the Command Processor. + */ +static void radeon_do_cp_start( drm_radeon_private_t *dev_priv ) +{ + RING_LOCALS; + DRM_DEBUG( "\n" ); + + radeon_do_wait_for_idle( dev_priv ); + + RADEON_WRITE( RADEON_CP_CSQ_CNTL, dev_priv->cp_mode ); + + dev_priv->cp_running = 1; + + BEGIN_RING( 6 ); + + RADEON_PURGE_CACHE(); + RADEON_PURGE_ZCACHE(); + RADEON_WAIT_UNTIL_IDLE(); + + ADVANCE_RING(); + COMMIT_RING(); +} + +/* Reset the Command Processor. This will not flush any pending + * commands, so you must wait for the CP command stream to complete + * before calling this routine. + */ +static void radeon_do_cp_reset( drm_radeon_private_t *dev_priv ) +{ + u32 cur_read_ptr; + DRM_DEBUG( "\n" ); + + cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); + RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); + SET_RING_HEAD( dev_priv, cur_read_ptr ); + dev_priv->ring.tail = cur_read_ptr; +} + +/* Stop the Command Processor. This will not flush any pending + * commands, so you must flush the command stream and wait for the CP + * to go idle before calling this routine. + */ +static void radeon_do_cp_stop( drm_radeon_private_t *dev_priv ) +{ + DRM_DEBUG( "\n" ); + + RADEON_WRITE( RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIDIS_INDDIS ); + + dev_priv->cp_running = 0; +} + +/* Reset the engine. This will stop the CP if it is running. + */ +static int radeon_do_engine_reset( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset; + DRM_DEBUG( "\n" ); + + radeon_do_pixcache_flush( dev_priv ); + + clock_cntl_index = RADEON_READ( RADEON_CLOCK_CNTL_INDEX ); + mclk_cntl = RADEON_READ_PLL( dev, RADEON_MCLK_CNTL ); + + RADEON_WRITE_PLL( RADEON_MCLK_CNTL, ( mclk_cntl | + RADEON_FORCEON_MCLKA | + RADEON_FORCEON_MCLKB | + RADEON_FORCEON_YCLKA | + RADEON_FORCEON_YCLKB | + RADEON_FORCEON_MC | + RADEON_FORCEON_AIC ) ); + + rbbm_soft_reset = RADEON_READ( RADEON_RBBM_SOFT_RESET ); + + RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset | + RADEON_SOFT_RESET_CP | + RADEON_SOFT_RESET_HI | + RADEON_SOFT_RESET_SE | + RADEON_SOFT_RESET_RE | + RADEON_SOFT_RESET_PP | + RADEON_SOFT_RESET_E2 | + RADEON_SOFT_RESET_RB ) ); + RADEON_READ( RADEON_RBBM_SOFT_RESET ); + RADEON_WRITE( RADEON_RBBM_SOFT_RESET, ( rbbm_soft_reset & + ~( RADEON_SOFT_RESET_CP | + RADEON_SOFT_RESET_HI | + RADEON_SOFT_RESET_SE | + RADEON_SOFT_RESET_RE | + RADEON_SOFT_RESET_PP | + RADEON_SOFT_RESET_E2 | + RADEON_SOFT_RESET_RB ) ) ); + RADEON_READ( RADEON_RBBM_SOFT_RESET ); + + + RADEON_WRITE_PLL( RADEON_MCLK_CNTL, mclk_cntl ); + RADEON_WRITE( RADEON_CLOCK_CNTL_INDEX, clock_cntl_index ); + RADEON_WRITE( RADEON_RBBM_SOFT_RESET, rbbm_soft_reset ); + + /* Reset the CP ring */ + radeon_do_cp_reset( dev_priv ); + + /* The CP is no longer running after an engine reset */ + dev_priv->cp_running = 0; + + /* Reset any pending vertex, indirect buffers */ + radeon_freelist_reset( dev ); + + return 0; +} + +static void radeon_cp_init_ring_buffer( drm_device_t *dev, + drm_radeon_private_t *dev_priv ) +{ + u32 ring_start, cur_read_ptr; + u32 tmp; + + /* Initialize the memory controller */ + RADEON_WRITE( RADEON_MC_FB_LOCATION, + ( ( dev_priv->gart_vm_start - 1 ) & 0xffff0000 ) + | ( dev_priv->fb_location >> 16 ) ); + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + RADEON_WRITE( RADEON_MC_AGP_LOCATION, + (((dev_priv->gart_vm_start - 1 + + dev_priv->gart_size) & 0xffff0000) | + (dev_priv->gart_vm_start >> 16)) ); + + ring_start = (dev_priv->cp_ring->offset + - dev->agp->base + + dev_priv->gart_vm_start); + } else +#endif + ring_start = (dev_priv->cp_ring->offset + - dev->sg->handle + + dev_priv->gart_vm_start); + + RADEON_WRITE( RADEON_CP_RB_BASE, ring_start ); + + /* Set the write pointer delay */ + RADEON_WRITE( RADEON_CP_RB_WPTR_DELAY, 0 ); + + /* Initialize the ring buffer's read and write pointers */ + cur_read_ptr = RADEON_READ( RADEON_CP_RB_RPTR ); + RADEON_WRITE( RADEON_CP_RB_WPTR, cur_read_ptr ); + SET_RING_HEAD( dev_priv, cur_read_ptr ); + dev_priv->ring.tail = cur_read_ptr; + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, + dev_priv->ring_rptr->offset + - dev->agp->base + + dev_priv->gart_vm_start); + } else +#endif + { + drm_sg_mem_t *entry = dev->sg; + unsigned long tmp_ofs, page_ofs; + + tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle; + page_ofs = tmp_ofs >> PAGE_SHIFT; + + RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR, + entry->busaddr[page_ofs]); + DRM_DEBUG( "ring rptr: offset=0x%08lx handle=0x%08lx\n", + (unsigned long) entry->busaddr[page_ofs], + entry->handle + tmp_ofs ); + } + + /* Initialize the scratch register pointer. This will cause + * the scratch register values to be written out to memory + * whenever they are updated. + * + * We simply put this behind the ring read pointer, this works + * with PCI GART as well as (whatever kind of) AGP GART + */ + RADEON_WRITE( RADEON_SCRATCH_ADDR, RADEON_READ( RADEON_CP_RB_RPTR_ADDR ) + + RADEON_SCRATCH_REG_OFFSET ); + + dev_priv->scratch = ((__volatile__ u32 *) + dev_priv->ring_rptr->handle + + (RADEON_SCRATCH_REG_OFFSET / sizeof(u32))); + + RADEON_WRITE( RADEON_SCRATCH_UMSK, 0x7 ); + + /* Writeback doesn't seem to work everywhere, test it first */ + DRM_WRITE32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0 ); + RADEON_WRITE( RADEON_SCRATCH_REG1, 0xdeadbeef ); + + for ( tmp = 0 ; tmp < dev_priv->usec_timeout ; tmp++ ) { + if ( DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(1) ) == 0xdeadbeef ) + break; + DRM_UDELAY( 1 ); + } + + if ( tmp < dev_priv->usec_timeout ) { + dev_priv->writeback_works = 1; + DRM_DEBUG( "writeback test succeeded, tmp=%d\n", tmp ); + } else { + dev_priv->writeback_works = 0; + DRM_DEBUG( "writeback test failed\n" ); + } + + dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0; + RADEON_WRITE( RADEON_LAST_FRAME_REG, + dev_priv->sarea_priv->last_frame ); + + dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0; + RADEON_WRITE( RADEON_LAST_DISPATCH_REG, + dev_priv->sarea_priv->last_dispatch ); + + dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0; + RADEON_WRITE( RADEON_LAST_CLEAR_REG, + dev_priv->sarea_priv->last_clear ); + + /* Set ring buffer size */ +#ifdef __BIG_ENDIAN + RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT ); +#else + RADEON_WRITE( RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw ); +#endif + + radeon_do_wait_for_idle( dev_priv ); + + /* Turn on bus mastering */ + tmp = RADEON_READ( RADEON_BUS_CNTL ) & ~RADEON_BUS_MASTER_DIS; + RADEON_WRITE( RADEON_BUS_CNTL, tmp ); + + /* Sync everything up */ + RADEON_WRITE( RADEON_ISYNC_CNTL, + (RADEON_ISYNC_ANY2D_IDLE3D | + RADEON_ISYNC_ANY3D_IDLE2D | + RADEON_ISYNC_WAIT_IDLEGUI | + RADEON_ISYNC_CPSCRATCH_IDLEGUI) ); +} + +/* Enable or disable PCI GART on the chip */ +static void radeon_set_pcigart( drm_radeon_private_t *dev_priv, int on ) +{ + u32 tmp = RADEON_READ( RADEON_AIC_CNTL ); + + if ( on ) { + RADEON_WRITE( RADEON_AIC_CNTL, tmp | RADEON_PCIGART_TRANSLATE_EN ); + + /* set PCI GART page-table base address + */ + RADEON_WRITE( RADEON_AIC_PT_BASE, dev_priv->bus_pci_gart ); + + /* set address range for PCI address translate + */ + RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start ); + RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start + + dev_priv->gart_size - 1); + + /* Turn off AGP aperture -- is this required for PCI GART? + */ + RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */ + RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */ + } else { + RADEON_WRITE( RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN ); + } +} + +static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private;; + DRM_DEBUG( "\n" ); + + dev_priv->is_pci = init->is_pci; + + if ( dev_priv->is_pci && !dev->sg ) { + DRM_ERROR( "PCI GART memory not allocated!\n" ); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + + dev_priv->usec_timeout = init->usec_timeout; + if ( dev_priv->usec_timeout < 1 || + dev_priv->usec_timeout > RADEON_MAX_USEC_TIMEOUT ) { + DRM_DEBUG( "TIMEOUT problem!\n" ); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + + switch(init->func) { + case RADEON_INIT_R200_CP: + dev_priv->microcode_version=UCODE_R200; + break; + case RADEON_INIT_R300_CP: + dev_priv->microcode_version=UCODE_R300; + break; + default: + dev_priv->microcode_version=UCODE_R100; + } + + dev_priv->do_boxes = 0; + dev_priv->cp_mode = init->cp_mode; + + /* We don't support anything other than bus-mastering ring mode, + * but the ring can be in either AGP or PCI space for the ring + * read pointer. + */ + if ( ( init->cp_mode != RADEON_CSQ_PRIBM_INDDIS ) && + ( init->cp_mode != RADEON_CSQ_PRIBM_INDBM ) ) { + DRM_DEBUG( "BAD cp_mode (%x)!\n", init->cp_mode ); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + + switch ( init->fb_bpp ) { + case 16: + dev_priv->color_fmt = RADEON_COLOR_FORMAT_RGB565; + break; + case 32: + default: + dev_priv->color_fmt = RADEON_COLOR_FORMAT_ARGB8888; + break; + } + dev_priv->front_offset = init->front_offset; + dev_priv->front_pitch = init->front_pitch; + dev_priv->back_offset = init->back_offset; + dev_priv->back_pitch = init->back_pitch; + + switch ( init->depth_bpp ) { + case 16: + dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_16BIT_INT_Z; + break; + case 32: + default: + dev_priv->depth_fmt = RADEON_DEPTH_FORMAT_24BIT_INT_Z; + break; + } + dev_priv->depth_offset = init->depth_offset; + dev_priv->depth_pitch = init->depth_pitch; + + /* Hardware state for depth clears. Remove this if/when we no + * longer clear the depth buffer with a 3D rectangle. Hard-code + * all values to prevent unwanted 3D state from slipping through + * and screwing with the clear operation. + */ + dev_priv->depth_clear.rb3d_cntl = (RADEON_PLANE_MASK_ENABLE | + (dev_priv->color_fmt << 10) | + (dev_priv->microcode_version == UCODE_R100 ? RADEON_ZBLOCK16 : 0)); + + dev_priv->depth_clear.rb3d_zstencilcntl = + (dev_priv->depth_fmt | + RADEON_Z_TEST_ALWAYS | + RADEON_STENCIL_TEST_ALWAYS | + RADEON_STENCIL_S_FAIL_REPLACE | + RADEON_STENCIL_ZPASS_REPLACE | + RADEON_STENCIL_ZFAIL_REPLACE | + RADEON_Z_WRITE_ENABLE); + + dev_priv->depth_clear.se_cntl = (RADEON_FFACE_CULL_CW | + RADEON_BFACE_SOLID | + RADEON_FFACE_SOLID | + RADEON_FLAT_SHADE_VTX_LAST | + RADEON_DIFFUSE_SHADE_FLAT | + RADEON_ALPHA_SHADE_FLAT | + RADEON_SPECULAR_SHADE_FLAT | + RADEON_FOG_SHADE_FLAT | + RADEON_VTX_PIX_CENTER_OGL | + RADEON_ROUND_MODE_TRUNC | + RADEON_ROUND_PREC_8TH_PIX); + + DRM_GETSAREA(); + + dev_priv->fb_offset = init->fb_offset; + dev_priv->mmio_offset = init->mmio_offset; + dev_priv->ring_offset = init->ring_offset; + dev_priv->ring_rptr_offset = init->ring_rptr_offset; + dev_priv->buffers_offset = init->buffers_offset; + dev_priv->gart_textures_offset = init->gart_textures_offset; + + if(!dev_priv->sarea) { + DRM_ERROR("could not find sarea!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + + dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset); + if(!dev_priv->mmio) { + DRM_ERROR("could not find mmio region!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + dev_priv->cp_ring = drm_core_findmap(dev, init->ring_offset); + if(!dev_priv->cp_ring) { + DRM_ERROR("could not find cp ring region!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset); + if(!dev_priv->ring_rptr) { + DRM_ERROR("could not find ring read pointer!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset); + if(!dev->agp_buffer_map) { + DRM_ERROR("could not find dma buffer region!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + + if ( init->gart_textures_offset ) { + dev_priv->gart_textures = drm_core_findmap(dev, init->gart_textures_offset); + if ( !dev_priv->gart_textures ) { + DRM_ERROR("could not find GART texture region!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + } + + dev_priv->sarea_priv = + (drm_radeon_sarea_t *)((u8 *)dev_priv->sarea->handle + + init->sarea_priv_offset); + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + drm_core_ioremap( dev_priv->cp_ring, dev ); + drm_core_ioremap( dev_priv->ring_rptr, dev ); + drm_core_ioremap( dev->agp_buffer_map, dev ); + if(!dev_priv->cp_ring->handle || + !dev_priv->ring_rptr->handle || + !dev->agp_buffer_map->handle) { + DRM_ERROR("could not find ioremap agp regions!\n"); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + } else +#endif + { + dev_priv->cp_ring->handle = + (void *)dev_priv->cp_ring->offset; + dev_priv->ring_rptr->handle = + (void *)dev_priv->ring_rptr->offset; + dev->agp_buffer_map->handle = (void *)dev->agp_buffer_map->offset; + + DRM_DEBUG( "dev_priv->cp_ring->handle %p\n", + dev_priv->cp_ring->handle ); + DRM_DEBUG( "dev_priv->ring_rptr->handle %p\n", + dev_priv->ring_rptr->handle ); + DRM_DEBUG( "dev->agp_buffer_map->handle %p\n", + dev->agp_buffer_map->handle ); + } + + dev_priv->fb_location = ( RADEON_READ( RADEON_MC_FB_LOCATION ) + & 0xffff ) << 16; + + dev_priv->front_pitch_offset = (((dev_priv->front_pitch/64) << 22) | + ( ( dev_priv->front_offset + + dev_priv->fb_location ) >> 10 ) ); + + dev_priv->back_pitch_offset = (((dev_priv->back_pitch/64) << 22) | + ( ( dev_priv->back_offset + + dev_priv->fb_location ) >> 10 ) ); + + dev_priv->depth_pitch_offset = (((dev_priv->depth_pitch/64) << 22) | + ( ( dev_priv->depth_offset + + dev_priv->fb_location ) >> 10 ) ); + + + dev_priv->gart_size = init->gart_size; + dev_priv->gart_vm_start = dev_priv->fb_location + + RADEON_READ( RADEON_CONFIG_APER_SIZE ); + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) + dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset + - dev->agp->base + + dev_priv->gart_vm_start); + else +#endif + dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset + - dev->sg->handle + + dev_priv->gart_vm_start); + + DRM_DEBUG( "dev_priv->gart_size %d\n", + dev_priv->gart_size ); + DRM_DEBUG( "dev_priv->gart_vm_start 0x%x\n", + dev_priv->gart_vm_start ); + DRM_DEBUG( "dev_priv->gart_buffers_offset 0x%lx\n", + dev_priv->gart_buffers_offset ); + + dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle; + dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle + + init->ring_size / sizeof(u32)); + dev_priv->ring.size = init->ring_size; + dev_priv->ring.size_l2qw = drm_order( init->ring_size / 8 ); + + dev_priv->ring.tail_mask = + (dev_priv->ring.size / sizeof(u32)) - 1; + + dev_priv->ring.high_mark = RADEON_RING_HIGH_MARK; + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + /* Turn off PCI GART */ + radeon_set_pcigart( dev_priv, 0 ); + } else +#endif + { + if (!drm_ati_pcigart_init( dev, &dev_priv->phys_pci_gart, + &dev_priv->bus_pci_gart)) { + DRM_ERROR( "failed to init PCI GART!\n" ); + dev->dev_private = (void *)dev_priv; + radeon_do_cleanup_cp(dev); + return DRM_ERR(ENOMEM); + } + + /* Turn on PCI GART */ + radeon_set_pcigart( dev_priv, 1 ); + } + + radeon_cp_load_microcode( dev_priv ); + radeon_cp_init_ring_buffer( dev, dev_priv ); + + dev_priv->last_buf = 0; + + dev->dev_private = (void *)dev_priv; + + radeon_do_engine_reset( dev ); + + return 0; +} + +static int radeon_do_cleanup_cp( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + /* Make sure interrupts are disabled here because the uninstall ioctl + * may not have been called from userspace and after dev_private + * is freed, it's too late. + */ + if ( dev->irq_enabled ) drm_irq_uninstall(dev); + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + if ( dev_priv->cp_ring != NULL ) + drm_core_ioremapfree( dev_priv->cp_ring, dev ); + if ( dev_priv->ring_rptr != NULL ) + drm_core_ioremapfree( dev_priv->ring_rptr, dev ); + if ( dev->agp_buffer_map != NULL ) + { + drm_core_ioremapfree( dev->agp_buffer_map, dev ); + dev->agp_buffer_map = NULL; + } + } else +#endif + { + if (!drm_ati_pcigart_cleanup( dev, + dev_priv->phys_pci_gart, + dev_priv->bus_pci_gart )) + DRM_ERROR( "failed to cleanup PCI GART!\n" ); + } + + /* only clear to the start of flags */ + memset(dev_priv, 0, offsetof(drm_radeon_private_t, flags)); + + return 0; +} + +/* This code will reinit the Radeon CP hardware after a resume from disc. + * AFAIK, it would be very difficult to pickle the state at suspend time, so + * here we make sure that all Radeon hardware initialisation is re-done without + * affecting running applications. + * + * Charl P. Botha <http://cpbotha.net> + */ +static int radeon_do_resume_cp( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + if ( !dev_priv ) { + DRM_ERROR( "Called with no initialization\n" ); + return DRM_ERR( EINVAL ); + } + + DRM_DEBUG("Starting radeon_do_resume_cp()\n"); + +#if __OS_HAS_AGP + if ( !dev_priv->is_pci ) { + /* Turn off PCI GART */ + radeon_set_pcigart( dev_priv, 0 ); + } else +#endif + { + /* Turn on PCI GART */ + radeon_set_pcigart( dev_priv, 1 ); + } + + radeon_cp_load_microcode( dev_priv ); + radeon_cp_init_ring_buffer( dev, dev_priv ); + + radeon_do_engine_reset( dev ); + + DRM_DEBUG("radeon_do_resume_cp() complete\n"); + + return 0; +} + + +int radeon_cp_init( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_init_t init; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( init, (drm_radeon_init_t __user *)data, sizeof(init) ); + + switch ( init.func ) { + case RADEON_INIT_CP: + case RADEON_INIT_R200_CP: + case RADEON_INIT_R300_CP: + return radeon_do_init_cp( dev, &init ); + case RADEON_CLEANUP_CP: + return radeon_do_cleanup_cp( dev ); + } + + return DRM_ERR(EINVAL); +} + +int radeon_cp_start( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( dev_priv->cp_running ) { + DRM_DEBUG( "%s while CP running\n", __FUNCTION__ ); + return 0; + } + if ( dev_priv->cp_mode == RADEON_CSQ_PRIDIS_INDDIS ) { + DRM_DEBUG( "%s called with bogus CP mode (%d)\n", + __FUNCTION__, dev_priv->cp_mode ); + return 0; + } + + radeon_do_cp_start( dev_priv ); + + return 0; +} + +/* Stop the CP. The engine must have been idled before calling this + * routine. + */ +int radeon_cp_stop( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_cp_stop_t stop; + int ret; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( stop, (drm_radeon_cp_stop_t __user *)data, sizeof(stop) ); + + if (!dev_priv->cp_running) + return 0; + + /* Flush any pending CP commands. This ensures any outstanding + * commands are exectuted by the engine before we turn it off. + */ + if ( stop.flush ) { + radeon_do_cp_flush( dev_priv ); + } + + /* If we fail to make the engine go idle, we return an error + * code so that the DRM ioctl wrapper can try again. + */ + if ( stop.idle ) { + ret = radeon_do_cp_idle( dev_priv ); + if ( ret ) return ret; + } + + /* Finally, we can turn off the CP. If the engine isn't idle, + * we will get some dropped triangles as they won't be fully + * rendered before the CP is shut down. + */ + radeon_do_cp_stop( dev_priv ); + + /* Reset the engine */ + radeon_do_engine_reset( dev ); + + return 0; +} + + +void radeon_do_release( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + int i, ret; + + if (dev_priv) { + if (dev_priv->cp_running) { + /* Stop the cp */ + while ((ret = radeon_do_cp_idle( dev_priv )) != 0) { + DRM_DEBUG("radeon_do_cp_idle %d\n", ret); +#ifdef __linux__ + schedule(); +#else + tsleep(&ret, PZERO, "rdnrel", 1); +#endif + } + radeon_do_cp_stop( dev_priv ); + radeon_do_engine_reset( dev ); + } + + /* Disable *all* interrupts */ + if (dev_priv->mmio) /* remove this after permanent addmaps */ + RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); + + if (dev_priv->mmio) {/* remove all surfaces */ + for (i = 0; i < RADEON_MAX_SURFACES; i++) { + RADEON_WRITE(RADEON_SURFACE0_INFO + 16*i, 0); + RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16*i, 0); + RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16*i, 0); + } + } + + /* Free memory heap structures */ + radeon_mem_takedown( &(dev_priv->gart_heap) ); + radeon_mem_takedown( &(dev_priv->fb_heap) ); + + /* deallocate kernel resources */ + radeon_do_cleanup_cp( dev ); + } +} + +/* Just reset the CP ring. Called as part of an X Server engine reset. + */ +int radeon_cp_reset( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_DEBUG( "%s called before init done\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + radeon_do_cp_reset( dev_priv ); + + /* The CP is no longer running after an engine reset */ + dev_priv->cp_running = 0; + + return 0; +} + +int radeon_cp_idle( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + return radeon_do_cp_idle( dev_priv ); +} + +/* Added by Charl P. Botha to call radeon_do_resume_cp(). + */ +int radeon_cp_resume( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + + return radeon_do_resume_cp(dev); +} + + +int radeon_engine_reset( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + return radeon_do_engine_reset( dev ); +} + + +/* ================================================================ + * Fullscreen mode + */ + +/* KW: Deprecated to say the least: + */ +int radeon_fullscreen( DRM_IOCTL_ARGS ) +{ + return 0; +} + + +/* ================================================================ + * Freelist management + */ + +/* Original comment: FIXME: ROTATE_BUFS is a hack to cycle through + * bufs until freelist code is used. Note this hides a problem with + * the scratch register * (used to keep track of last buffer + * completed) being written to before * the last buffer has actually + * completed rendering. + * + * KW: It's also a good way to find free buffers quickly. + * + * KW: Ideally this loop wouldn't exist, and freelist_get wouldn't + * sleep. However, bugs in older versions of radeon_accel.c mean that + * we essentially have to do this, else old clients will break. + * + * However, it does leave open a potential deadlock where all the + * buffers are held by other clients, which can't release them because + * they can't get the lock. + */ + +drm_buf_t *radeon_freelist_get( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_buf_priv_t *buf_priv; + drm_buf_t *buf; + int i, t; + int start; + + if ( ++dev_priv->last_buf >= dma->buf_count ) + dev_priv->last_buf = 0; + + start = dev_priv->last_buf; + + for ( t = 0 ; t < dev_priv->usec_timeout ; t++ ) { + u32 done_age = GET_SCRATCH( 1 ); + DRM_DEBUG("done_age = %d\n",done_age); + for ( i = start ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + if ( buf->filp == 0 || (buf->pending && + buf_priv->age <= done_age) ) { + dev_priv->stats.requested_bufs++; + buf->pending = 0; + return buf; + } + start = 0; + } + + if (t) { + DRM_UDELAY( 1 ); + dev_priv->stats.freelist_loops++; + } + } + + DRM_DEBUG( "returning NULL!\n" ); + return NULL; +} +#if 0 +drm_buf_t *radeon_freelist_get( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_buf_priv_t *buf_priv; + drm_buf_t *buf; + int i, t; + int start; + u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)); + + if ( ++dev_priv->last_buf >= dma->buf_count ) + dev_priv->last_buf = 0; + + start = dev_priv->last_buf; + dev_priv->stats.freelist_loops++; + + for ( t = 0 ; t < 2 ; t++ ) { + for ( i = start ; i < dma->buf_count ; i++ ) { + buf = dma->buflist[i]; + buf_priv = buf->dev_private; + if ( buf->filp == 0 || (buf->pending && + buf_priv->age <= done_age) ) { + dev_priv->stats.requested_bufs++; + buf->pending = 0; + return buf; + } + } + start = 0; + } + + return NULL; +} +#endif + +void radeon_freelist_reset( drm_device_t *dev ) +{ + drm_device_dma_t *dma = dev->dma; + drm_radeon_private_t *dev_priv = dev->dev_private; + int i; + + dev_priv->last_buf = 0; + for ( i = 0 ; i < dma->buf_count ; i++ ) { + drm_buf_t *buf = dma->buflist[i]; + drm_radeon_buf_priv_t *buf_priv = buf->dev_private; + buf_priv->age = 0; + } +} + + +/* ================================================================ + * CP command submission + */ + +int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ) +{ + drm_radeon_ring_buffer_t *ring = &dev_priv->ring; + int i; + u32 last_head = GET_RING_HEAD( dev_priv ); + + for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) { + u32 head = GET_RING_HEAD( dev_priv ); + + ring->space = (head - ring->tail) * sizeof(u32); + if ( ring->space <= 0 ) + ring->space += ring->size; + if ( ring->space > n ) + return 0; + + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + + if (head != last_head) + i = 0; + last_head = head; + + DRM_UDELAY( 1 ); + } + + /* FIXME: This return value is ignored in the BEGIN_RING macro! */ +#if RADEON_FIFO_DEBUG + radeon_status( dev_priv ); + DRM_ERROR( "failed!\n" ); +#endif + return DRM_ERR(EBUSY); +} + +static int radeon_cp_get_buffers( DRMFILE filp, drm_device_t *dev, drm_dma_t *d ) +{ + int i; + drm_buf_t *buf; + + for ( i = d->granted_count ; i < d->request_count ; i++ ) { + buf = radeon_freelist_get( dev ); + if ( !buf ) return DRM_ERR(EBUSY); /* NOTE: broken client */ + + buf->filp = filp; + + if ( DRM_COPY_TO_USER( &d->request_indices[i], &buf->idx, + sizeof(buf->idx) ) ) + return DRM_ERR(EFAULT); + if ( DRM_COPY_TO_USER( &d->request_sizes[i], &buf->total, + sizeof(buf->total) ) ) + return DRM_ERR(EFAULT); + + d->granted_count++; + } + return 0; +} + +int radeon_cp_buffers( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_device_dma_t *dma = dev->dma; + int ret = 0; + drm_dma_t __user *argp = (void __user *)data; + drm_dma_t d; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( d, argp, sizeof(d) ); + + /* Please don't send us buffers. + */ + if ( d.send_count != 0 ) { + DRM_ERROR( "Process %d trying to send %d buffers via drmDMA\n", + DRM_CURRENTPID, d.send_count ); + return DRM_ERR(EINVAL); + } + + /* We'll send you buffers. + */ + if ( d.request_count < 0 || d.request_count > dma->buf_count ) { + DRM_ERROR( "Process %d trying to get %d buffers (of %d max)\n", + DRM_CURRENTPID, d.request_count, dma->buf_count ); + return DRM_ERR(EINVAL); + } + + d.granted_count = 0; + + if ( d.request_count ) { + ret = radeon_cp_get_buffers( filp, dev, &d ); + } + + DRM_COPY_TO_USER_IOCTL( argp, d, sizeof(d) ); + + return ret; +} + +int radeon_driver_preinit(struct drm_device *dev, unsigned long flags) +{ + drm_radeon_private_t *dev_priv; + int ret = 0; + + dev_priv = drm_alloc(sizeof(drm_radeon_private_t), DRM_MEM_DRIVER); + if (dev_priv == NULL) + return DRM_ERR(ENOMEM); + + memset(dev_priv, 0, sizeof(drm_radeon_private_t)); + dev->dev_private = (void *)dev_priv; + dev_priv->flags = flags; + + switch (flags & CHIP_FAMILY_MASK) { + case CHIP_R100: + case CHIP_RV200: + case CHIP_R200: + case CHIP_R300: + dev_priv->flags |= CHIP_HAS_HIERZ; + break; + default: + /* all other chips have no hierarchical z buffer */ + break; + } + return ret; +} + +int radeon_driver_postcleanup(struct drm_device *dev) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("\n"); + + drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); + + dev->dev_private = NULL; + return 0; +} diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h new file mode 100644 index 0000000..c1e62d0 --- /dev/null +++ b/drivers/char/drm/radeon_drm.h @@ -0,0 +1,659 @@ +/* radeon_drm.h -- Public header for the radeon driver -*- linux-c -*- + * + * Copyright 2000 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * Copyright 2002 Tungsten Graphics, Inc., Cedar Park, Texas. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#ifndef __RADEON_DRM_H__ +#define __RADEON_DRM_H__ + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the X server file (radeon_sarea.h) + */ +#ifndef __RADEON_SAREA_DEFINES__ +#define __RADEON_SAREA_DEFINES__ + +/* Old style state flags, required for sarea interface (1.1 and 1.2 + * clears) and 1.2 drm_vertex2 ioctl. + */ +#define RADEON_UPLOAD_CONTEXT 0x00000001 +#define RADEON_UPLOAD_VERTFMT 0x00000002 +#define RADEON_UPLOAD_LINE 0x00000004 +#define RADEON_UPLOAD_BUMPMAP 0x00000008 +#define RADEON_UPLOAD_MASKS 0x00000010 +#define RADEON_UPLOAD_VIEWPORT 0x00000020 +#define RADEON_UPLOAD_SETUP 0x00000040 +#define RADEON_UPLOAD_TCL 0x00000080 +#define RADEON_UPLOAD_MISC 0x00000100 +#define RADEON_UPLOAD_TEX0 0x00000200 +#define RADEON_UPLOAD_TEX1 0x00000400 +#define RADEON_UPLOAD_TEX2 0x00000800 +#define RADEON_UPLOAD_TEX0IMAGES 0x00001000 +#define RADEON_UPLOAD_TEX1IMAGES 0x00002000 +#define RADEON_UPLOAD_TEX2IMAGES 0x00004000 +#define RADEON_UPLOAD_CLIPRECTS 0x00008000 /* handled client-side */ +#define RADEON_REQUIRE_QUIESCENCE 0x00010000 +#define RADEON_UPLOAD_ZBIAS 0x00020000 /* version 1.2 and newer */ +#define RADEON_UPLOAD_ALL 0x003effff +#define RADEON_UPLOAD_CONTEXT_ALL 0x003e01ff + + +/* New style per-packet identifiers for use in cmd_buffer ioctl with + * the RADEON_EMIT_PACKET command. Comments relate new packets to old + * state bits and the packet size: + */ +#define RADEON_EMIT_PP_MISC 0 /* context/7 */ +#define RADEON_EMIT_PP_CNTL 1 /* context/3 */ +#define RADEON_EMIT_RB3D_COLORPITCH 2 /* context/1 */ +#define RADEON_EMIT_RE_LINE_PATTERN 3 /* line/2 */ +#define RADEON_EMIT_SE_LINE_WIDTH 4 /* line/1 */ +#define RADEON_EMIT_PP_LUM_MATRIX 5 /* bumpmap/1 */ +#define RADEON_EMIT_PP_ROT_MATRIX_0 6 /* bumpmap/2 */ +#define RADEON_EMIT_RB3D_STENCILREFMASK 7 /* masks/3 */ +#define RADEON_EMIT_SE_VPORT_XSCALE 8 /* viewport/6 */ +#define RADEON_EMIT_SE_CNTL 9 /* setup/2 */ +#define RADEON_EMIT_SE_CNTL_STATUS 10 /* setup/1 */ +#define RADEON_EMIT_RE_MISC 11 /* misc/1 */ +#define RADEON_EMIT_PP_TXFILTER_0 12 /* tex0/6 */ +#define RADEON_EMIT_PP_BORDER_COLOR_0 13 /* tex0/1 */ +#define RADEON_EMIT_PP_TXFILTER_1 14 /* tex1/6 */ +#define RADEON_EMIT_PP_BORDER_COLOR_1 15 /* tex1/1 */ +#define RADEON_EMIT_PP_TXFILTER_2 16 /* tex2/6 */ +#define RADEON_EMIT_PP_BORDER_COLOR_2 17 /* tex2/1 */ +#define RADEON_EMIT_SE_ZBIAS_FACTOR 18 /* zbias/2 */ +#define RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT 19 /* tcl/11 */ +#define RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED 20 /* material/17 */ +#define R200_EMIT_PP_TXCBLEND_0 21 /* tex0/4 */ +#define R200_EMIT_PP_TXCBLEND_1 22 /* tex1/4 */ +#define R200_EMIT_PP_TXCBLEND_2 23 /* tex2/4 */ +#define R200_EMIT_PP_TXCBLEND_3 24 /* tex3/4 */ +#define R200_EMIT_PP_TXCBLEND_4 25 /* tex4/4 */ +#define R200_EMIT_PP_TXCBLEND_5 26 /* tex5/4 */ +#define R200_EMIT_PP_TXCBLEND_6 27 /* /4 */ +#define R200_EMIT_PP_TXCBLEND_7 28 /* /4 */ +#define R200_EMIT_TCL_LIGHT_MODEL_CTL_0 29 /* tcl/7 */ +#define R200_EMIT_TFACTOR_0 30 /* tf/7 */ +#define R200_EMIT_VTX_FMT_0 31 /* vtx/5 */ +#define R200_EMIT_VAP_CTL 32 /* vap/1 */ +#define R200_EMIT_MATRIX_SELECT_0 33 /* msl/5 */ +#define R200_EMIT_TEX_PROC_CTL_2 34 /* tcg/5 */ +#define R200_EMIT_TCL_UCP_VERT_BLEND_CTL 35 /* tcl/1 */ +#define R200_EMIT_PP_TXFILTER_0 36 /* tex0/6 */ +#define R200_EMIT_PP_TXFILTER_1 37 /* tex1/6 */ +#define R200_EMIT_PP_TXFILTER_2 38 /* tex2/6 */ +#define R200_EMIT_PP_TXFILTER_3 39 /* tex3/6 */ +#define R200_EMIT_PP_TXFILTER_4 40 /* tex4/6 */ +#define R200_EMIT_PP_TXFILTER_5 41 /* tex5/6 */ +#define R200_EMIT_PP_TXOFFSET_0 42 /* tex0/1 */ +#define R200_EMIT_PP_TXOFFSET_1 43 /* tex1/1 */ +#define R200_EMIT_PP_TXOFFSET_2 44 /* tex2/1 */ +#define R200_EMIT_PP_TXOFFSET_3 45 /* tex3/1 */ +#define R200_EMIT_PP_TXOFFSET_4 46 /* tex4/1 */ +#define R200_EMIT_PP_TXOFFSET_5 47 /* tex5/1 */ +#define R200_EMIT_VTE_CNTL 48 /* vte/1 */ +#define R200_EMIT_OUTPUT_VTX_COMP_SEL 49 /* vtx/1 */ +#define R200_EMIT_PP_TAM_DEBUG3 50 /* tam/1 */ +#define R200_EMIT_PP_CNTL_X 51 /* cst/1 */ +#define R200_EMIT_RB3D_DEPTHXY_OFFSET 52 /* cst/1 */ +#define R200_EMIT_RE_AUX_SCISSOR_CNTL 53 /* cst/1 */ +#define R200_EMIT_RE_SCISSOR_TL_0 54 /* cst/2 */ +#define R200_EMIT_RE_SCISSOR_TL_1 55 /* cst/2 */ +#define R200_EMIT_RE_SCISSOR_TL_2 56 /* cst/2 */ +#define R200_EMIT_SE_VAP_CNTL_STATUS 57 /* cst/1 */ +#define R200_EMIT_SE_VTX_STATE_CNTL 58 /* cst/1 */ +#define R200_EMIT_RE_POINTSIZE 59 /* cst/1 */ +#define R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0 60 /* cst/4 */ +#define R200_EMIT_PP_CUBIC_FACES_0 61 +#define R200_EMIT_PP_CUBIC_OFFSETS_0 62 +#define R200_EMIT_PP_CUBIC_FACES_1 63 +#define R200_EMIT_PP_CUBIC_OFFSETS_1 64 +#define R200_EMIT_PP_CUBIC_FACES_2 65 +#define R200_EMIT_PP_CUBIC_OFFSETS_2 66 +#define R200_EMIT_PP_CUBIC_FACES_3 67 +#define R200_EMIT_PP_CUBIC_OFFSETS_3 68 +#define R200_EMIT_PP_CUBIC_FACES_4 69 +#define R200_EMIT_PP_CUBIC_OFFSETS_4 70 +#define R200_EMIT_PP_CUBIC_FACES_5 71 +#define R200_EMIT_PP_CUBIC_OFFSETS_5 72 +#define RADEON_EMIT_PP_TEX_SIZE_0 73 +#define RADEON_EMIT_PP_TEX_SIZE_1 74 +#define RADEON_EMIT_PP_TEX_SIZE_2 75 +#define R200_EMIT_RB3D_BLENDCOLOR 76 +#define R200_EMIT_TCL_POINT_SPRITE_CNTL 77 +#define RADEON_EMIT_PP_CUBIC_FACES_0 78 +#define RADEON_EMIT_PP_CUBIC_OFFSETS_T0 79 +#define RADEON_EMIT_PP_CUBIC_FACES_1 80 +#define RADEON_EMIT_PP_CUBIC_OFFSETS_T1 81 +#define RADEON_EMIT_PP_CUBIC_FACES_2 82 +#define RADEON_EMIT_PP_CUBIC_OFFSETS_T2 83 +#define R200_EMIT_PP_TRI_PERF_CNTL 84 +#define RADEON_MAX_STATE_PACKETS 85 + +/* Commands understood by cmd_buffer ioctl. More can be added but + * obviously these can't be removed or changed: + */ +#define RADEON_CMD_PACKET 1 /* emit one of the register packets above */ +#define RADEON_CMD_SCALARS 2 /* emit scalar data */ +#define RADEON_CMD_VECTORS 3 /* emit vector data */ +#define RADEON_CMD_DMA_DISCARD 4 /* discard current dma buf */ +#define RADEON_CMD_PACKET3 5 /* emit hw packet */ +#define RADEON_CMD_PACKET3_CLIP 6 /* emit hw packet wrapped in cliprects */ +#define RADEON_CMD_SCALARS2 7 /* r200 stopgap */ +#define RADEON_CMD_WAIT 8 /* emit hw wait commands -- note: + * doesn't make the cpu wait, just + * the graphics hardware */ + + +typedef union { + int i; + struct { + unsigned char cmd_type, pad0, pad1, pad2; + } header; + struct { + unsigned char cmd_type, packet_id, pad0, pad1; + } packet; + struct { + unsigned char cmd_type, offset, stride, count; + } scalars; + struct { + unsigned char cmd_type, offset, stride, count; + } vectors; + struct { + unsigned char cmd_type, buf_idx, pad0, pad1; + } dma; + struct { + unsigned char cmd_type, flags, pad0, pad1; + } wait; +} drm_radeon_cmd_header_t; + +#define RADEON_WAIT_2D 0x1 +#define RADEON_WAIT_3D 0x2 + + +#define RADEON_FRONT 0x1 +#define RADEON_BACK 0x2 +#define RADEON_DEPTH 0x4 +#define RADEON_STENCIL 0x8 +#define RADEON_CLEAR_FASTZ 0x80000000 +#define RADEON_USE_HIERZ 0x40000000 +#define RADEON_USE_COMP_ZBUF 0x20000000 + +/* Primitive types + */ +#define RADEON_POINTS 0x1 +#define RADEON_LINES 0x2 +#define RADEON_LINE_STRIP 0x3 +#define RADEON_TRIANGLES 0x4 +#define RADEON_TRIANGLE_FAN 0x5 +#define RADEON_TRIANGLE_STRIP 0x6 + +/* Vertex/indirect buffer size + */ +#define RADEON_BUFFER_SIZE 65536 + +/* Byte offsets for indirect buffer data + */ +#define RADEON_INDEX_PRIM_OFFSET 20 + +#define RADEON_SCRATCH_REG_OFFSET 32 + +#define RADEON_NR_SAREA_CLIPRECTS 12 + +/* There are 2 heaps (local/GART). Each region within a heap is a + * minimum of 64k, and there are at most 64 of them per heap. + */ +#define RADEON_LOCAL_TEX_HEAP 0 +#define RADEON_GART_TEX_HEAP 1 +#define RADEON_NR_TEX_HEAPS 2 +#define RADEON_NR_TEX_REGIONS 64 +#define RADEON_LOG_TEX_GRANULARITY 16 + +#define RADEON_MAX_TEXTURE_LEVELS 12 +#define RADEON_MAX_TEXTURE_UNITS 3 + +#define RADEON_MAX_SURFACES 8 + +/* Blits have strict offset rules. All blit offset must be aligned on + * a 1K-byte boundary. + */ +#define RADEON_OFFSET_SHIFT 10 +#define RADEON_OFFSET_ALIGN (1 << RADEON_OFFSET_SHIFT) +#define RADEON_OFFSET_MASK (RADEON_OFFSET_ALIGN - 1) + +#endif /* __RADEON_SAREA_DEFINES__ */ + +typedef struct { + unsigned int red; + unsigned int green; + unsigned int blue; + unsigned int alpha; +} radeon_color_regs_t; + +typedef struct { + /* Context state */ + unsigned int pp_misc; /* 0x1c14 */ + unsigned int pp_fog_color; + unsigned int re_solid_color; + unsigned int rb3d_blendcntl; + unsigned int rb3d_depthoffset; + unsigned int rb3d_depthpitch; + unsigned int rb3d_zstencilcntl; + + unsigned int pp_cntl; /* 0x1c38 */ + unsigned int rb3d_cntl; + unsigned int rb3d_coloroffset; + unsigned int re_width_height; + unsigned int rb3d_colorpitch; + unsigned int se_cntl; + + /* Vertex format state */ + unsigned int se_coord_fmt; /* 0x1c50 */ + + /* Line state */ + unsigned int re_line_pattern; /* 0x1cd0 */ + unsigned int re_line_state; + + unsigned int se_line_width; /* 0x1db8 */ + + /* Bumpmap state */ + unsigned int pp_lum_matrix; /* 0x1d00 */ + + unsigned int pp_rot_matrix_0; /* 0x1d58 */ + unsigned int pp_rot_matrix_1; + + /* Mask state */ + unsigned int rb3d_stencilrefmask; /* 0x1d7c */ + unsigned int rb3d_ropcntl; + unsigned int rb3d_planemask; + + /* Viewport state */ + unsigned int se_vport_xscale; /* 0x1d98 */ + unsigned int se_vport_xoffset; + unsigned int se_vport_yscale; + unsigned int se_vport_yoffset; + unsigned int se_vport_zscale; + unsigned int se_vport_zoffset; + + /* Setup state */ + unsigned int se_cntl_status; /* 0x2140 */ + + /* Misc state */ + unsigned int re_top_left; /* 0x26c0 */ + unsigned int re_misc; +} drm_radeon_context_regs_t; + +typedef struct { + /* Zbias state */ + unsigned int se_zbias_factor; /* 0x1dac */ + unsigned int se_zbias_constant; +} drm_radeon_context2_regs_t; + + +/* Setup registers for each texture unit + */ +typedef struct { + unsigned int pp_txfilter; + unsigned int pp_txformat; + unsigned int pp_txoffset; + unsigned int pp_txcblend; + unsigned int pp_txablend; + unsigned int pp_tfactor; + unsigned int pp_border_color; +} drm_radeon_texture_regs_t; + +typedef struct { + unsigned int start; + unsigned int finish; + unsigned int prim:8; + unsigned int stateidx:8; + unsigned int numverts:16; /* overloaded as offset/64 for elt prims */ + unsigned int vc_format; /* vertex format */ +} drm_radeon_prim_t; + + +typedef struct { + drm_radeon_context_regs_t context; + drm_radeon_texture_regs_t tex[RADEON_MAX_TEXTURE_UNITS]; + drm_radeon_context2_regs_t context2; + unsigned int dirty; +} drm_radeon_state_t; + + +typedef struct { + /* The channel for communication of state information to the + * kernel on firing a vertex buffer with either of the + * obsoleted vertex/index ioctls. + */ + drm_radeon_context_regs_t context_state; + drm_radeon_texture_regs_t tex_state[RADEON_MAX_TEXTURE_UNITS]; + unsigned int dirty; + unsigned int vertsize; + unsigned int vc_format; + + /* The current cliprects, or a subset thereof. + */ + drm_clip_rect_t boxes[RADEON_NR_SAREA_CLIPRECTS]; + unsigned int nbox; + + /* Counters for client-side throttling of rendering clients. + */ + unsigned int last_frame; + unsigned int last_dispatch; + unsigned int last_clear; + + drm_tex_region_t tex_list[RADEON_NR_TEX_HEAPS][RADEON_NR_TEX_REGIONS+1]; + unsigned int tex_age[RADEON_NR_TEX_HEAPS]; + int ctx_owner; + int pfState; /* number of 3d windows (0,1,2ormore) */ + int pfCurrentPage; /* which buffer is being displayed? */ + int crtc2_base; /* CRTC2 frame offset */ + int tiling_enabled; /* set by drm, read by 2d + 3d clients */ +} drm_radeon_sarea_t; + + +/* WARNING: If you change any of these defines, make sure to change the + * defines in the Xserver file (xf86drmRadeon.h) + * + * KW: actually it's illegal to change any of this (backwards compatibility). + */ + +/* Radeon specific ioctls + * The device specific ioctl range is 0x40 to 0x79. + */ +#define DRM_RADEON_CP_INIT 0x00 +#define DRM_RADEON_CP_START 0x01 +#define DRM_RADEON_CP_STOP 0x02 +#define DRM_RADEON_CP_RESET 0x03 +#define DRM_RADEON_CP_IDLE 0x04 +#define DRM_RADEON_RESET 0x05 +#define DRM_RADEON_FULLSCREEN 0x06 +#define DRM_RADEON_SWAP 0x07 +#define DRM_RADEON_CLEAR 0x08 +#define DRM_RADEON_VERTEX 0x09 +#define DRM_RADEON_INDICES 0x0A +#define DRM_RADEON_NOT_USED +#define DRM_RADEON_STIPPLE 0x0C +#define DRM_RADEON_INDIRECT 0x0D +#define DRM_RADEON_TEXTURE 0x0E +#define DRM_RADEON_VERTEX2 0x0F +#define DRM_RADEON_CMDBUF 0x10 +#define DRM_RADEON_GETPARAM 0x11 +#define DRM_RADEON_FLIP 0x12 +#define DRM_RADEON_ALLOC 0x13 +#define DRM_RADEON_FREE 0x14 +#define DRM_RADEON_INIT_HEAP 0x15 +#define DRM_RADEON_IRQ_EMIT 0x16 +#define DRM_RADEON_IRQ_WAIT 0x17 +#define DRM_RADEON_CP_RESUME 0x18 +#define DRM_RADEON_SETPARAM 0x19 +#define DRM_RADEON_SURF_ALLOC 0x1a +#define DRM_RADEON_SURF_FREE 0x1b + +#define DRM_IOCTL_RADEON_CP_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_INIT, drm_radeon_init_t) +#define DRM_IOCTL_RADEON_CP_START DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_CP_START) +#define DRM_IOCTL_RADEON_CP_STOP DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CP_STOP, drm_radeon_cp_stop_t) +#define DRM_IOCTL_RADEON_CP_RESET DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_CP_RESET) +#define DRM_IOCTL_RADEON_CP_IDLE DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_CP_IDLE) +#define DRM_IOCTL_RADEON_RESET DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_RESET) +#define DRM_IOCTL_RADEON_FULLSCREEN DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FULLSCREEN, drm_radeon_fullscreen_t) +#define DRM_IOCTL_RADEON_SWAP DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_SWAP) +#define DRM_IOCTL_RADEON_CLEAR DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CLEAR, drm_radeon_clear_t) +#define DRM_IOCTL_RADEON_VERTEX DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX, drm_radeon_vertex_t) +#define DRM_IOCTL_RADEON_INDICES DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INDICES, drm_radeon_indices_t) +#define DRM_IOCTL_RADEON_STIPPLE DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_STIPPLE, drm_radeon_stipple_t) +#define DRM_IOCTL_RADEON_INDIRECT DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_INDIRECT, drm_radeon_indirect_t) +#define DRM_IOCTL_RADEON_TEXTURE DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_TEXTURE, drm_radeon_texture_t) +#define DRM_IOCTL_RADEON_VERTEX2 DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_VERTEX2, drm_radeon_vertex2_t) +#define DRM_IOCTL_RADEON_CMDBUF DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_CMDBUF, drm_radeon_cmd_buffer_t) +#define DRM_IOCTL_RADEON_GETPARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_GETPARAM, drm_radeon_getparam_t) +#define DRM_IOCTL_RADEON_FLIP DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_FLIP) +#define DRM_IOCTL_RADEON_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_ALLOC, drm_radeon_mem_alloc_t) +#define DRM_IOCTL_RADEON_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_FREE, drm_radeon_mem_free_t) +#define DRM_IOCTL_RADEON_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_INIT_HEAP, drm_radeon_mem_init_heap_t) +#define DRM_IOCTL_RADEON_IRQ_EMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_RADEON_IRQ_EMIT, drm_radeon_irq_emit_t) +#define DRM_IOCTL_RADEON_IRQ_WAIT DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_IRQ_WAIT, drm_radeon_irq_wait_t) +#define DRM_IOCTL_RADEON_CP_RESUME DRM_IO( DRM_COMMAND_BASE + DRM_RADEON_CP_RESUME) +#define DRM_IOCTL_RADEON_SETPARAM DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SETPARAM, drm_radeon_setparam_t) +#define DRM_IOCTL_RADEON_SURF_ALLOC DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_ALLOC, drm_radeon_surface_alloc_t) +#define DRM_IOCTL_RADEON_SURF_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_RADEON_SURF_FREE, drm_radeon_surface_free_t) + +typedef struct drm_radeon_init { + enum { + RADEON_INIT_CP = 0x01, + RADEON_CLEANUP_CP = 0x02, + RADEON_INIT_R200_CP = 0x03, + RADEON_INIT_R300_CP = 0x04 + } func; + unsigned long sarea_priv_offset; + int is_pci; + int cp_mode; + int gart_size; + int ring_size; + int usec_timeout; + + unsigned int fb_bpp; + unsigned int front_offset, front_pitch; + unsigned int back_offset, back_pitch; + unsigned int depth_bpp; + unsigned int depth_offset, depth_pitch; + + unsigned long fb_offset; + unsigned long mmio_offset; + unsigned long ring_offset; + unsigned long ring_rptr_offset; + unsigned long buffers_offset; + unsigned long gart_textures_offset; +} drm_radeon_init_t; + +typedef struct drm_radeon_cp_stop { + int flush; + int idle; +} drm_radeon_cp_stop_t; + +typedef struct drm_radeon_fullscreen { + enum { + RADEON_INIT_FULLSCREEN = 0x01, + RADEON_CLEANUP_FULLSCREEN = 0x02 + } func; +} drm_radeon_fullscreen_t; + +#define CLEAR_X1 0 +#define CLEAR_Y1 1 +#define CLEAR_X2 2 +#define CLEAR_Y2 3 +#define CLEAR_DEPTH 4 + +typedef union drm_radeon_clear_rect { + float f[5]; + unsigned int ui[5]; +} drm_radeon_clear_rect_t; + +typedef struct drm_radeon_clear { + unsigned int flags; + unsigned int clear_color; + unsigned int clear_depth; + unsigned int color_mask; + unsigned int depth_mask; /* misnamed field: should be stencil */ + drm_radeon_clear_rect_t __user *depth_boxes; +} drm_radeon_clear_t; + +typedef struct drm_radeon_vertex { + int prim; + int idx; /* Index of vertex buffer */ + int count; /* Number of vertices in buffer */ + int discard; /* Client finished with buffer? */ +} drm_radeon_vertex_t; + +typedef struct drm_radeon_indices { + int prim; + int idx; + int start; + int end; + int discard; /* Client finished with buffer? */ +} drm_radeon_indices_t; + +/* v1.2 - obsoletes drm_radeon_vertex and drm_radeon_indices + * - allows multiple primitives and state changes in a single ioctl + * - supports driver change to emit native primitives + */ +typedef struct drm_radeon_vertex2 { + int idx; /* Index of vertex buffer */ + int discard; /* Client finished with buffer? */ + int nr_states; + drm_radeon_state_t __user *state; + int nr_prims; + drm_radeon_prim_t __user *prim; +} drm_radeon_vertex2_t; + +/* v1.3 - obsoletes drm_radeon_vertex2 + * - allows arbitarily large cliprect list + * - allows updating of tcl packet, vector and scalar state + * - allows memory-efficient description of state updates + * - allows state to be emitted without a primitive + * (for clears, ctx switches) + * - allows more than one dma buffer to be referenced per ioctl + * - supports tcl driver + * - may be extended in future versions with new cmd types, packets + */ +typedef struct drm_radeon_cmd_buffer { + int bufsz; + char __user *buf; + int nbox; + drm_clip_rect_t __user *boxes; +} drm_radeon_cmd_buffer_t; + +typedef struct drm_radeon_tex_image { + unsigned int x, y; /* Blit coordinates */ + unsigned int width, height; + const void __user *data; +} drm_radeon_tex_image_t; + +typedef struct drm_radeon_texture { + unsigned int offset; + int pitch; + int format; + int width; /* Texture image coordinates */ + int height; + drm_radeon_tex_image_t __user *image; +} drm_radeon_texture_t; + +typedef struct drm_radeon_stipple { + unsigned int __user *mask; +} drm_radeon_stipple_t; + +typedef struct drm_radeon_indirect { + int idx; + int start; + int end; + int discard; +} drm_radeon_indirect_t; + + +/* 1.3: An ioctl to get parameters that aren't available to the 3d + * client any other way. + */ +#define RADEON_PARAM_GART_BUFFER_OFFSET 1 /* card offset of 1st GART buffer */ +#define RADEON_PARAM_LAST_FRAME 2 +#define RADEON_PARAM_LAST_DISPATCH 3 +#define RADEON_PARAM_LAST_CLEAR 4 +/* Added with DRM version 1.6. */ +#define RADEON_PARAM_IRQ_NR 5 +#define RADEON_PARAM_GART_BASE 6 /* card offset of GART base */ +/* Added with DRM version 1.8. */ +#define RADEON_PARAM_REGISTER_HANDLE 7 /* for drmMap() */ +#define RADEON_PARAM_STATUS_HANDLE 8 +#define RADEON_PARAM_SAREA_HANDLE 9 +#define RADEON_PARAM_GART_TEX_HANDLE 10 +#define RADEON_PARAM_SCRATCH_OFFSET 11 + +typedef struct drm_radeon_getparam { + int param; + void __user *value; +} drm_radeon_getparam_t; + +/* 1.6: Set up a memory manager for regions of shared memory: + */ +#define RADEON_MEM_REGION_GART 1 +#define RADEON_MEM_REGION_FB 2 + +typedef struct drm_radeon_mem_alloc { + int region; + int alignment; + int size; + int __user *region_offset; /* offset from start of fb or GART */ +} drm_radeon_mem_alloc_t; + +typedef struct drm_radeon_mem_free { + int region; + int region_offset; +} drm_radeon_mem_free_t; + +typedef struct drm_radeon_mem_init_heap { + int region; + int size; + int start; +} drm_radeon_mem_init_heap_t; + + +/* 1.6: Userspace can request & wait on irq's: + */ +typedef struct drm_radeon_irq_emit { + int __user *irq_seq; +} drm_radeon_irq_emit_t; + +typedef struct drm_radeon_irq_wait { + int irq_seq; +} drm_radeon_irq_wait_t; + + +/* 1.10: Clients tell the DRM where they think the framebuffer is located in + * the card's address space, via a new generic ioctl to set parameters + */ + +typedef struct drm_radeon_setparam { + unsigned int param; + int64_t value; +} drm_radeon_setparam_t; + +#define RADEON_SETPARAM_FB_LOCATION 1 /* determined framebuffer location */ +#define RADEON_SETPARAM_SWITCH_TILING 2 /* enable/disable color tiling */ + +/* 1.14: Clients can allocate/free a surface + */ +typedef struct drm_radeon_surface_alloc { + unsigned int address; + unsigned int size; + unsigned int flags; +} drm_radeon_surface_alloc_t; + +typedef struct drm_radeon_surface_free { + unsigned int address; +} drm_radeon_surface_free_t; + +#endif diff --git a/drivers/char/drm/radeon_drv.c b/drivers/char/drm/radeon_drv.c new file mode 100644 index 0000000..7b983d9 --- /dev/null +++ b/drivers/char/drm/radeon_drv.c @@ -0,0 +1,127 @@ +/** + * \file radeon_drv.c + * ATI Radeon driver + * + * \author Gareth Hughes <gareth@valinux.com> + */ + +/* + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + + +#include <linux/config.h> +#include "drmP.h" +#include "drm.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + radeon_PCI_IDS +}; + +extern drm_ioctl_desc_t radeon_ioctls[]; +extern int radeon_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, + .dev_priv_size = sizeof(drm_radeon_buf_priv_t), + .preinit = radeon_driver_preinit, + .postcleanup = radeon_driver_postcleanup, + .prerelease = radeon_driver_prerelease, + .pretakedown = radeon_driver_pretakedown, + .open_helper = radeon_driver_open_helper, + .vblank_wait = radeon_driver_vblank_wait, + .irq_preinstall = radeon_driver_irq_preinstall, + .irq_postinstall = radeon_driver_irq_postinstall, + .irq_uninstall = radeon_driver_irq_uninstall, + .irq_handler = radeon_driver_irq_handler, + .free_filp_priv = radeon_driver_free_filp_priv, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = radeon_ioctls, + .dma_ioctl = radeon_cp_buffers, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init radeon_init(void) +{ + driver.num_ioctls = radeon_max_ioctl; + return drm_init(&driver); +} + +static void __exit radeon_exit(void) +{ + drm_exit(&driver); +} + +module_init(radeon_init); +module_exit(radeon_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h new file mode 100644 index 0000000..5837098 --- /dev/null +++ b/drivers/char/drm/radeon_drv.h @@ -0,0 +1,1044 @@ +/* radeon_drv.h -- Private header for radeon driver -*- linux-c -*- + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __RADEON_DRV_H__ +#define __RADEON_DRV_H__ + +/* General customization: + */ + +#define DRIVER_AUTHOR "Gareth Hughes, Keith Whitwell, others." + +#define DRIVER_NAME "radeon" +#define DRIVER_DESC "ATI Radeon" +#define DRIVER_DATE "20050311" + +/* Interface history: + * + * 1.1 - ?? + * 1.2 - Add vertex2 ioctl (keith) + * - Add stencil capability to clear ioctl (gareth, keith) + * - Increase MAX_TEXTURE_LEVELS (brian) + * 1.3 - Add cmdbuf ioctl (keith) + * - Add support for new radeon packets (keith) + * - Add getparam ioctl (keith) + * - Add flip-buffers ioctl, deprecate fullscreen foo (keith). + * 1.4 - Add scratch registers to get_param ioctl. + * 1.5 - Add r200 packets to cmdbuf ioctl + * - Add r200 function to init ioctl + * - Add 'scalar2' instruction to cmdbuf + * 1.6 - Add static GART memory manager + * Add irq handler (won't be turned on unless X server knows to) + * Add irq ioctls and irq_active getparam. + * Add wait command for cmdbuf ioctl + * Add GART offset query for getparam + * 1.7 - Add support for cube map registers: R200_PP_CUBIC_FACES_[0..5] + * and R200_PP_CUBIC_OFFSET_F1_[0..5]. + * Added packets R200_EMIT_PP_CUBIC_FACES_[0..5] and + * R200_EMIT_PP_CUBIC_OFFSETS_[0..5]. (brian) + * 1.8 - Remove need to call cleanup ioctls on last client exit (keith) + * Add 'GET' queries for starting additional clients on different VT's. + * 1.9 - Add DRM_IOCTL_RADEON_CP_RESUME ioctl. + * Add texture rectangle support for r100. + * 1.10- Add SETPARAM ioctl; first parameter to set is FB_LOCATION, which + * clients use to tell the DRM where they think the framebuffer is + * located in the card's address space + * 1.11- Add packet R200_EMIT_RB3D_BLENDCOLOR to support GL_EXT_blend_color + * and GL_EXT_blend_[func|equation]_separate on r200 + * 1.12- Add R300 CP microcode support - this just loads the CP on r300 + * (No 3D support yet - just microcode loading) + * 1.13- Add packet R200_EMIT_TCL_POINT_SPRITE_CNTL for ARB_point_parameters + * - Add hyperz support, add hyperz flags to clear ioctl. + * 1.14- Add support for color tiling + * - Add R100/R200 surface allocation/free support + * 1.15- Add support for texture micro tiling + * - Add support for r100 cube maps + * 1.16- Add R200_EMIT_PP_TRI_PERF_CNTL packet to support brilinear + * texture filtering on r200 + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 16 +#define DRIVER_PATCHLEVEL 0 + +#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) +#define SET_RING_HEAD(dev_priv,val) DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) ) + +/* + * Radeon chip families + */ +enum radeon_family { + CHIP_R100, + CHIP_RS100, + CHIP_RV100, + CHIP_R200, + CHIP_RV200, + CHIP_RS200, + CHIP_R250, + CHIP_RS250, + CHIP_RV250, + CHIP_RV280, + CHIP_R300, + CHIP_RS300, + CHIP_RV350, + CHIP_LAST, +}; + +enum radeon_cp_microcode_version { + UCODE_R100, + UCODE_R200, + UCODE_R300, +}; + +/* + * Chip flags + */ +enum radeon_chip_flags { + CHIP_FAMILY_MASK = 0x0000ffffUL, + CHIP_FLAGS_MASK = 0xffff0000UL, + CHIP_IS_MOBILITY = 0x00010000UL, + CHIP_IS_IGP = 0x00020000UL, + CHIP_SINGLE_CRTC = 0x00040000UL, + CHIP_IS_AGP = 0x00080000UL, + CHIP_HAS_HIERZ = 0x00100000UL, +}; + +typedef struct drm_radeon_freelist { + unsigned int age; + drm_buf_t *buf; + struct drm_radeon_freelist *next; + struct drm_radeon_freelist *prev; +} drm_radeon_freelist_t; + +typedef struct drm_radeon_ring_buffer { + u32 *start; + u32 *end; + int size; + int size_l2qw; + + u32 tail; + u32 tail_mask; + int space; + + int high_mark; +} drm_radeon_ring_buffer_t; + +typedef struct drm_radeon_depth_clear_t { + u32 rb3d_cntl; + u32 rb3d_zstencilcntl; + u32 se_cntl; +} drm_radeon_depth_clear_t; + +struct drm_radeon_driver_file_fields { + int64_t radeon_fb_delta; +}; + +struct mem_block { + struct mem_block *next; + struct mem_block *prev; + int start; + int size; + DRMFILE filp; /* 0: free, -1: heap, other: real files */ +}; + +struct radeon_surface { + int refcount; + u32 lower; + u32 upper; + u32 flags; +}; + +struct radeon_virt_surface { + int surface_index; + u32 lower; + u32 upper; + u32 flags; + DRMFILE filp; +}; + +typedef struct drm_radeon_private { + drm_radeon_ring_buffer_t ring; + drm_radeon_sarea_t *sarea_priv; + + u32 fb_location; + + int gart_size; + u32 gart_vm_start; + unsigned long gart_buffers_offset; + + int cp_mode; + int cp_running; + + drm_radeon_freelist_t *head; + drm_radeon_freelist_t *tail; + int last_buf; + volatile u32 *scratch; + int writeback_works; + + int usec_timeout; + + int microcode_version; + + int is_pci; + unsigned long phys_pci_gart; + dma_addr_t bus_pci_gart; + + struct { + u32 boxes; + int freelist_timeouts; + int freelist_loops; + int requested_bufs; + int last_frame_reads; + int last_clear_reads; + int clears; + int texture_uploads; + } stats; + + int do_boxes; + int page_flipping; + int current_page; + + u32 color_fmt; + unsigned int front_offset; + unsigned int front_pitch; + unsigned int back_offset; + unsigned int back_pitch; + + u32 depth_fmt; + unsigned int depth_offset; + unsigned int depth_pitch; + + u32 front_pitch_offset; + u32 back_pitch_offset; + u32 depth_pitch_offset; + + drm_radeon_depth_clear_t depth_clear; + + unsigned long fb_offset; + unsigned long mmio_offset; + unsigned long ring_offset; + unsigned long ring_rptr_offset; + unsigned long buffers_offset; + unsigned long gart_textures_offset; + + drm_local_map_t *sarea; + drm_local_map_t *mmio; + drm_local_map_t *cp_ring; + drm_local_map_t *ring_rptr; + drm_local_map_t *gart_textures; + + struct mem_block *gart_heap; + struct mem_block *fb_heap; + + /* SW interrupt */ + wait_queue_head_t swi_queue; + atomic_t swi_emitted; + + struct radeon_surface surfaces[RADEON_MAX_SURFACES]; + struct radeon_virt_surface virt_surfaces[2*RADEON_MAX_SURFACES]; + + /* starting from here on, data is preserved accross an open */ + uint32_t flags; /* see radeon_chip_flags */ +} drm_radeon_private_t; + +typedef struct drm_radeon_buf_priv { + u32 age; +} drm_radeon_buf_priv_t; + + /* radeon_cp.c */ +extern int radeon_cp_init( DRM_IOCTL_ARGS ); +extern int radeon_cp_start( DRM_IOCTL_ARGS ); +extern int radeon_cp_stop( DRM_IOCTL_ARGS ); +extern int radeon_cp_reset( DRM_IOCTL_ARGS ); +extern int radeon_cp_idle( DRM_IOCTL_ARGS ); +extern int radeon_cp_resume( DRM_IOCTL_ARGS ); +extern int radeon_engine_reset( DRM_IOCTL_ARGS ); +extern int radeon_fullscreen( DRM_IOCTL_ARGS ); +extern int radeon_cp_buffers( DRM_IOCTL_ARGS ); + +extern void radeon_freelist_reset( drm_device_t *dev ); +extern drm_buf_t *radeon_freelist_get( drm_device_t *dev ); + +extern int radeon_wait_ring( drm_radeon_private_t *dev_priv, int n ); + +extern int radeon_do_cp_idle( drm_radeon_private_t *dev_priv ); + +extern int radeon_driver_preinit(struct drm_device *dev, unsigned long flags); +extern int radeon_driver_postcleanup(struct drm_device *dev); + +extern int radeon_mem_alloc( DRM_IOCTL_ARGS ); +extern int radeon_mem_free( DRM_IOCTL_ARGS ); +extern int radeon_mem_init_heap( DRM_IOCTL_ARGS ); +extern void radeon_mem_takedown( struct mem_block **heap ); +extern void radeon_mem_release( DRMFILE filp, struct mem_block *heap ); + + /* radeon_irq.c */ +extern int radeon_irq_emit( DRM_IOCTL_ARGS ); +extern int radeon_irq_wait( DRM_IOCTL_ARGS ); + +extern void radeon_do_release(drm_device_t *dev); +extern int radeon_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence); +extern irqreturn_t radeon_driver_irq_handler( DRM_IRQ_ARGS ); +extern void radeon_driver_irq_preinstall( drm_device_t *dev ); +extern void radeon_driver_irq_postinstall( drm_device_t *dev ); +extern void radeon_driver_irq_uninstall( drm_device_t *dev ); +extern void radeon_driver_prerelease(drm_device_t *dev, DRMFILE filp); +extern void radeon_driver_pretakedown(drm_device_t *dev); +extern int radeon_driver_open_helper(drm_device_t *dev, drm_file_t *filp_priv); +extern void radeon_driver_free_filp_priv(drm_device_t *dev, drm_file_t *filp_priv); + +extern int radeon_preinit( struct drm_device *dev, unsigned long flags ); +extern int radeon_postinit( struct drm_device *dev, unsigned long flags ); +extern int radeon_postcleanup( struct drm_device *dev ); + +/* Flags for stats.boxes + */ +#define RADEON_BOX_DMA_IDLE 0x1 +#define RADEON_BOX_RING_FULL 0x2 +#define RADEON_BOX_FLIP 0x4 +#define RADEON_BOX_WAIT_IDLE 0x8 +#define RADEON_BOX_TEXTURE_LOAD 0x10 + + + +/* Register definitions, register access macros and drmAddMap constants + * for Radeon kernel driver. + */ + +#define RADEON_AGP_COMMAND 0x0f60 +#define RADEON_AUX_SCISSOR_CNTL 0x26f0 +# define RADEON_EXCLUSIVE_SCISSOR_0 (1 << 24) +# define RADEON_EXCLUSIVE_SCISSOR_1 (1 << 25) +# define RADEON_EXCLUSIVE_SCISSOR_2 (1 << 26) +# define RADEON_SCISSOR_0_ENABLE (1 << 28) +# define RADEON_SCISSOR_1_ENABLE (1 << 29) +# define RADEON_SCISSOR_2_ENABLE (1 << 30) + +#define RADEON_BUS_CNTL 0x0030 +# define RADEON_BUS_MASTER_DIS (1 << 6) + +#define RADEON_CLOCK_CNTL_DATA 0x000c +# define RADEON_PLL_WR_EN (1 << 7) +#define RADEON_CLOCK_CNTL_INDEX 0x0008 +#define RADEON_CONFIG_APER_SIZE 0x0108 +#define RADEON_CRTC_OFFSET 0x0224 +#define RADEON_CRTC_OFFSET_CNTL 0x0228 +# define RADEON_CRTC_TILE_EN (1 << 15) +# define RADEON_CRTC_OFFSET_FLIP_CNTL (1 << 16) +#define RADEON_CRTC2_OFFSET 0x0324 +#define RADEON_CRTC2_OFFSET_CNTL 0x0328 + +#define RADEON_RB3D_COLOROFFSET 0x1c40 +#define RADEON_RB3D_COLORPITCH 0x1c48 + +#define RADEON_DP_GUI_MASTER_CNTL 0x146c +# define RADEON_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0) +# define RADEON_GMC_DST_PITCH_OFFSET_CNTL (1 << 1) +# define RADEON_GMC_BRUSH_SOLID_COLOR (13 << 4) +# define RADEON_GMC_BRUSH_NONE (15 << 4) +# define RADEON_GMC_DST_16BPP (4 << 8) +# define RADEON_GMC_DST_24BPP (5 << 8) +# define RADEON_GMC_DST_32BPP (6 << 8) +# define RADEON_GMC_DST_DATATYPE_SHIFT 8 +# define RADEON_GMC_SRC_DATATYPE_COLOR (3 << 12) +# define RADEON_DP_SRC_SOURCE_MEMORY (2 << 24) +# define RADEON_DP_SRC_SOURCE_HOST_DATA (3 << 24) +# define RADEON_GMC_CLR_CMP_CNTL_DIS (1 << 28) +# define RADEON_GMC_WR_MSK_DIS (1 << 30) +# define RADEON_ROP3_S 0x00cc0000 +# define RADEON_ROP3_P 0x00f00000 +#define RADEON_DP_WRITE_MASK 0x16cc +#define RADEON_DST_PITCH_OFFSET 0x142c +#define RADEON_DST_PITCH_OFFSET_C 0x1c80 +# define RADEON_DST_TILE_LINEAR (0 << 30) +# define RADEON_DST_TILE_MACRO (1 << 30) +# define RADEON_DST_TILE_MICRO (2 << 30) +# define RADEON_DST_TILE_BOTH (3 << 30) + +#define RADEON_SCRATCH_REG0 0x15e0 +#define RADEON_SCRATCH_REG1 0x15e4 +#define RADEON_SCRATCH_REG2 0x15e8 +#define RADEON_SCRATCH_REG3 0x15ec +#define RADEON_SCRATCH_REG4 0x15f0 +#define RADEON_SCRATCH_REG5 0x15f4 +#define RADEON_SCRATCH_UMSK 0x0770 +#define RADEON_SCRATCH_ADDR 0x0774 + +#define RADEON_SCRATCHOFF( x ) (RADEON_SCRATCH_REG_OFFSET + 4*(x)) + +#define GET_SCRATCH( x ) (dev_priv->writeback_works \ + ? DRM_READ32( dev_priv->ring_rptr, RADEON_SCRATCHOFF(x) ) \ + : RADEON_READ( RADEON_SCRATCH_REG0 + 4*(x) ) ) + + +#define RADEON_GEN_INT_CNTL 0x0040 +# define RADEON_CRTC_VBLANK_MASK (1 << 0) +# define RADEON_GUI_IDLE_INT_ENABLE (1 << 19) +# define RADEON_SW_INT_ENABLE (1 << 25) + +#define RADEON_GEN_INT_STATUS 0x0044 +# define RADEON_CRTC_VBLANK_STAT (1 << 0) +# define RADEON_CRTC_VBLANK_STAT_ACK (1 << 0) +# define RADEON_GUI_IDLE_INT_TEST_ACK (1 << 19) +# define RADEON_SW_INT_TEST (1 << 25) +# define RADEON_SW_INT_TEST_ACK (1 << 25) +# define RADEON_SW_INT_FIRE (1 << 26) + +#define RADEON_HOST_PATH_CNTL 0x0130 +# define RADEON_HDP_SOFT_RESET (1 << 26) +# define RADEON_HDP_WC_TIMEOUT_MASK (7 << 28) +# define RADEON_HDP_WC_TIMEOUT_28BCLK (7 << 28) + +#define RADEON_ISYNC_CNTL 0x1724 +# define RADEON_ISYNC_ANY2D_IDLE3D (1 << 0) +# define RADEON_ISYNC_ANY3D_IDLE2D (1 << 1) +# define RADEON_ISYNC_TRIG2D_IDLE3D (1 << 2) +# define RADEON_ISYNC_TRIG3D_IDLE2D (1 << 3) +# define RADEON_ISYNC_WAIT_IDLEGUI (1 << 4) +# define RADEON_ISYNC_CPSCRATCH_IDLEGUI (1 << 5) + +#define RADEON_RBBM_GUICNTL 0x172c +# define RADEON_HOST_DATA_SWAP_NONE (0 << 0) +# define RADEON_HOST_DATA_SWAP_16BIT (1 << 0) +# define RADEON_HOST_DATA_SWAP_32BIT (2 << 0) +# define RADEON_HOST_DATA_SWAP_HDW (3 << 0) + +#define RADEON_MC_AGP_LOCATION 0x014c +#define RADEON_MC_FB_LOCATION 0x0148 +#define RADEON_MCLK_CNTL 0x0012 +# define RADEON_FORCEON_MCLKA (1 << 16) +# define RADEON_FORCEON_MCLKB (1 << 17) +# define RADEON_FORCEON_YCLKA (1 << 18) +# define RADEON_FORCEON_YCLKB (1 << 19) +# define RADEON_FORCEON_MC (1 << 20) +# define RADEON_FORCEON_AIC (1 << 21) + +#define RADEON_PP_BORDER_COLOR_0 0x1d40 +#define RADEON_PP_BORDER_COLOR_1 0x1d44 +#define RADEON_PP_BORDER_COLOR_2 0x1d48 +#define RADEON_PP_CNTL 0x1c38 +# define RADEON_SCISSOR_ENABLE (1 << 1) +#define RADEON_PP_LUM_MATRIX 0x1d00 +#define RADEON_PP_MISC 0x1c14 +#define RADEON_PP_ROT_MATRIX_0 0x1d58 +#define RADEON_PP_TXFILTER_0 0x1c54 +#define RADEON_PP_TXOFFSET_0 0x1c5c +#define RADEON_PP_TXFILTER_1 0x1c6c +#define RADEON_PP_TXFILTER_2 0x1c84 + +#define RADEON_RB2D_DSTCACHE_CTLSTAT 0x342c +# define RADEON_RB2D_DC_FLUSH (3 << 0) +# define RADEON_RB2D_DC_FREE (3 << 2) +# define RADEON_RB2D_DC_FLUSH_ALL 0xf +# define RADEON_RB2D_DC_BUSY (1 << 31) +#define RADEON_RB3D_CNTL 0x1c3c +# define RADEON_ALPHA_BLEND_ENABLE (1 << 0) +# define RADEON_PLANE_MASK_ENABLE (1 << 1) +# define RADEON_DITHER_ENABLE (1 << 2) +# define RADEON_ROUND_ENABLE (1 << 3) +# define RADEON_SCALE_DITHER_ENABLE (1 << 4) +# define RADEON_DITHER_INIT (1 << 5) +# define RADEON_ROP_ENABLE (1 << 6) +# define RADEON_STENCIL_ENABLE (1 << 7) +# define RADEON_Z_ENABLE (1 << 8) +# define RADEON_ZBLOCK16 (1 << 15) +#define RADEON_RB3D_DEPTHOFFSET 0x1c24 +#define RADEON_RB3D_DEPTHCLEARVALUE 0x3230 +#define RADEON_RB3D_DEPTHPITCH 0x1c28 +#define RADEON_RB3D_PLANEMASK 0x1d84 +#define RADEON_RB3D_STENCILREFMASK 0x1d7c +#define RADEON_RB3D_ZCACHE_MODE 0x3250 +#define RADEON_RB3D_ZCACHE_CTLSTAT 0x3254 +# define RADEON_RB3D_ZC_FLUSH (1 << 0) +# define RADEON_RB3D_ZC_FREE (1 << 2) +# define RADEON_RB3D_ZC_FLUSH_ALL 0x5 +# define RADEON_RB3D_ZC_BUSY (1 << 31) +#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c +# define RADEON_Z_TEST_MASK (7 << 4) +# define RADEON_Z_TEST_ALWAYS (7 << 4) +# define RADEON_Z_HIERARCHY_ENABLE (1 << 8) +# define RADEON_STENCIL_TEST_ALWAYS (7 << 12) +# define RADEON_STENCIL_S_FAIL_REPLACE (2 << 16) +# define RADEON_STENCIL_ZPASS_REPLACE (2 << 20) +# define RADEON_STENCIL_ZFAIL_REPLACE (2 << 24) +# define RADEON_Z_COMPRESSION_ENABLE (1 << 28) +# define RADEON_FORCE_Z_DIRTY (1 << 29) +# define RADEON_Z_WRITE_ENABLE (1 << 30) +# define RADEON_Z_DECOMPRESSION_ENABLE (1 << 31) +#define RADEON_RBBM_SOFT_RESET 0x00f0 +# define RADEON_SOFT_RESET_CP (1 << 0) +# define RADEON_SOFT_RESET_HI (1 << 1) +# define RADEON_SOFT_RESET_SE (1 << 2) +# define RADEON_SOFT_RESET_RE (1 << 3) +# define RADEON_SOFT_RESET_PP (1 << 4) +# define RADEON_SOFT_RESET_E2 (1 << 5) +# define RADEON_SOFT_RESET_RB (1 << 6) +# define RADEON_SOFT_RESET_HDP (1 << 7) +#define RADEON_RBBM_STATUS 0x0e40 +# define RADEON_RBBM_FIFOCNT_MASK 0x007f +# define RADEON_RBBM_ACTIVE (1 << 31) +#define RADEON_RE_LINE_PATTERN 0x1cd0 +#define RADEON_RE_MISC 0x26c4 +#define RADEON_RE_TOP_LEFT 0x26c0 +#define RADEON_RE_WIDTH_HEIGHT 0x1c44 +#define RADEON_RE_STIPPLE_ADDR 0x1cc8 +#define RADEON_RE_STIPPLE_DATA 0x1ccc + +#define RADEON_SCISSOR_TL_0 0x1cd8 +#define RADEON_SCISSOR_BR_0 0x1cdc +#define RADEON_SCISSOR_TL_1 0x1ce0 +#define RADEON_SCISSOR_BR_1 0x1ce4 +#define RADEON_SCISSOR_TL_2 0x1ce8 +#define RADEON_SCISSOR_BR_2 0x1cec +#define RADEON_SE_COORD_FMT 0x1c50 +#define RADEON_SE_CNTL 0x1c4c +# define RADEON_FFACE_CULL_CW (0 << 0) +# define RADEON_BFACE_SOLID (3 << 1) +# define RADEON_FFACE_SOLID (3 << 3) +# define RADEON_FLAT_SHADE_VTX_LAST (3 << 6) +# define RADEON_DIFFUSE_SHADE_FLAT (1 << 8) +# define RADEON_DIFFUSE_SHADE_GOURAUD (2 << 8) +# define RADEON_ALPHA_SHADE_FLAT (1 << 10) +# define RADEON_ALPHA_SHADE_GOURAUD (2 << 10) +# define RADEON_SPECULAR_SHADE_FLAT (1 << 12) +# define RADEON_SPECULAR_SHADE_GOURAUD (2 << 12) +# define RADEON_FOG_SHADE_FLAT (1 << 14) +# define RADEON_FOG_SHADE_GOURAUD (2 << 14) +# define RADEON_VPORT_XY_XFORM_ENABLE (1 << 24) +# define RADEON_VPORT_Z_XFORM_ENABLE (1 << 25) +# define RADEON_VTX_PIX_CENTER_OGL (1 << 27) +# define RADEON_ROUND_MODE_TRUNC (0 << 28) +# define RADEON_ROUND_PREC_8TH_PIX (1 << 30) +#define RADEON_SE_CNTL_STATUS 0x2140 +#define RADEON_SE_LINE_WIDTH 0x1db8 +#define RADEON_SE_VPORT_XSCALE 0x1d98 +#define RADEON_SE_ZBIAS_FACTOR 0x1db0 +#define RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED 0x2210 +#define RADEON_SE_TCL_OUTPUT_VTX_FMT 0x2254 +#define RADEON_SE_TCL_VECTOR_INDX_REG 0x2200 +# define RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT 16 +# define RADEON_VEC_INDX_DWORD_COUNT_SHIFT 28 +#define RADEON_SE_TCL_VECTOR_DATA_REG 0x2204 +#define RADEON_SE_TCL_SCALAR_INDX_REG 0x2208 +# define RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT 16 +#define RADEON_SE_TCL_SCALAR_DATA_REG 0x220C +#define RADEON_SURFACE_ACCESS_FLAGS 0x0bf8 +#define RADEON_SURFACE_ACCESS_CLR 0x0bfc +#define RADEON_SURFACE_CNTL 0x0b00 +# define RADEON_SURF_TRANSLATION_DIS (1 << 8) +# define RADEON_NONSURF_AP0_SWP_MASK (3 << 20) +# define RADEON_NONSURF_AP0_SWP_LITTLE (0 << 20) +# define RADEON_NONSURF_AP0_SWP_BIG16 (1 << 20) +# define RADEON_NONSURF_AP0_SWP_BIG32 (2 << 20) +# define RADEON_NONSURF_AP1_SWP_MASK (3 << 22) +# define RADEON_NONSURF_AP1_SWP_LITTLE (0 << 22) +# define RADEON_NONSURF_AP1_SWP_BIG16 (1 << 22) +# define RADEON_NONSURF_AP1_SWP_BIG32 (2 << 22) +#define RADEON_SURFACE0_INFO 0x0b0c +# define RADEON_SURF_PITCHSEL_MASK (0x1ff << 0) +# define RADEON_SURF_TILE_MODE_MASK (3 << 16) +# define RADEON_SURF_TILE_MODE_MACRO (0 << 16) +# define RADEON_SURF_TILE_MODE_MICRO (1 << 16) +# define RADEON_SURF_TILE_MODE_32BIT_Z (2 << 16) +# define RADEON_SURF_TILE_MODE_16BIT_Z (3 << 16) +#define RADEON_SURFACE0_LOWER_BOUND 0x0b04 +#define RADEON_SURFACE0_UPPER_BOUND 0x0b08 +# define RADEON_SURF_ADDRESS_FIXED_MASK (0x3ff << 0) +#define RADEON_SURFACE1_INFO 0x0b1c +#define RADEON_SURFACE1_LOWER_BOUND 0x0b14 +#define RADEON_SURFACE1_UPPER_BOUND 0x0b18 +#define RADEON_SURFACE2_INFO 0x0b2c +#define RADEON_SURFACE2_LOWER_BOUND 0x0b24 +#define RADEON_SURFACE2_UPPER_BOUND 0x0b28 +#define RADEON_SURFACE3_INFO 0x0b3c +#define RADEON_SURFACE3_LOWER_BOUND 0x0b34 +#define RADEON_SURFACE3_UPPER_BOUND 0x0b38 +#define RADEON_SURFACE4_INFO 0x0b4c +#define RADEON_SURFACE4_LOWER_BOUND 0x0b44 +#define RADEON_SURFACE4_UPPER_BOUND 0x0b48 +#define RADEON_SURFACE5_INFO 0x0b5c +#define RADEON_SURFACE5_LOWER_BOUND 0x0b54 +#define RADEON_SURFACE5_UPPER_BOUND 0x0b58 +#define RADEON_SURFACE6_INFO 0x0b6c +#define RADEON_SURFACE6_LOWER_BOUND 0x0b64 +#define RADEON_SURFACE6_UPPER_BOUND 0x0b68 +#define RADEON_SURFACE7_INFO 0x0b7c +#define RADEON_SURFACE7_LOWER_BOUND 0x0b74 +#define RADEON_SURFACE7_UPPER_BOUND 0x0b78 +#define RADEON_SW_SEMAPHORE 0x013c + +#define RADEON_WAIT_UNTIL 0x1720 +# define RADEON_WAIT_CRTC_PFLIP (1 << 0) +# define RADEON_WAIT_2D_IDLECLEAN (1 << 16) +# define RADEON_WAIT_3D_IDLECLEAN (1 << 17) +# define RADEON_WAIT_HOST_IDLECLEAN (1 << 18) + +#define RADEON_RB3D_ZMASKOFFSET 0x3234 +#define RADEON_RB3D_ZSTENCILCNTL 0x1c2c +# define RADEON_DEPTH_FORMAT_16BIT_INT_Z (0 << 0) +# define RADEON_DEPTH_FORMAT_24BIT_INT_Z (2 << 0) + + +/* CP registers */ +#define RADEON_CP_ME_RAM_ADDR 0x07d4 +#define RADEON_CP_ME_RAM_RADDR 0x07d8 +#define RADEON_CP_ME_RAM_DATAH 0x07dc +#define RADEON_CP_ME_RAM_DATAL 0x07e0 + +#define RADEON_CP_RB_BASE 0x0700 +#define RADEON_CP_RB_CNTL 0x0704 +# define RADEON_BUF_SWAP_32BIT (2 << 16) +#define RADEON_CP_RB_RPTR_ADDR 0x070c +#define RADEON_CP_RB_RPTR 0x0710 +#define RADEON_CP_RB_WPTR 0x0714 + +#define RADEON_CP_RB_WPTR_DELAY 0x0718 +# define RADEON_PRE_WRITE_TIMER_SHIFT 0 +# define RADEON_PRE_WRITE_LIMIT_SHIFT 23 + +#define RADEON_CP_IB_BASE 0x0738 + +#define RADEON_CP_CSQ_CNTL 0x0740 +# define RADEON_CSQ_CNT_PRIMARY_MASK (0xff << 0) +# define RADEON_CSQ_PRIDIS_INDDIS (0 << 28) +# define RADEON_CSQ_PRIPIO_INDDIS (1 << 28) +# define RADEON_CSQ_PRIBM_INDDIS (2 << 28) +# define RADEON_CSQ_PRIPIO_INDBM (3 << 28) +# define RADEON_CSQ_PRIBM_INDBM (4 << 28) +# define RADEON_CSQ_PRIPIO_INDPIO (15 << 28) + +#define RADEON_AIC_CNTL 0x01d0 +# define RADEON_PCIGART_TRANSLATE_EN (1 << 0) +#define RADEON_AIC_STAT 0x01d4 +#define RADEON_AIC_PT_BASE 0x01d8 +#define RADEON_AIC_LO_ADDR 0x01dc +#define RADEON_AIC_HI_ADDR 0x01e0 +#define RADEON_AIC_TLB_ADDR 0x01e4 +#define RADEON_AIC_TLB_DATA 0x01e8 + +/* CP command packets */ +#define RADEON_CP_PACKET0 0x00000000 +# define RADEON_ONE_REG_WR (1 << 15) +#define RADEON_CP_PACKET1 0x40000000 +#define RADEON_CP_PACKET2 0x80000000 +#define RADEON_CP_PACKET3 0xC0000000 +# define RADEON_3D_RNDR_GEN_INDX_PRIM 0x00002300 +# define RADEON_WAIT_FOR_IDLE 0x00002600 +# define RADEON_3D_DRAW_VBUF 0x00002800 +# define RADEON_3D_DRAW_IMMD 0x00002900 +# define RADEON_3D_DRAW_INDX 0x00002A00 +# define RADEON_3D_LOAD_VBPNTR 0x00002F00 +# define RADEON_MPEG_IDCT_MACROBLOCK 0x00003000 +# define RADEON_MPEG_IDCT_MACROBLOCK_REV 0x00003100 +# define RADEON_3D_CLEAR_ZMASK 0x00003200 +# define RADEON_3D_CLEAR_HIZ 0x00003700 +# define RADEON_CNTL_HOSTDATA_BLT 0x00009400 +# define RADEON_CNTL_PAINT_MULTI 0x00009A00 +# define RADEON_CNTL_BITBLT_MULTI 0x00009B00 +# define RADEON_CNTL_SET_SCISSORS 0xC0001E00 + +#define RADEON_CP_PACKET_MASK 0xC0000000 +#define RADEON_CP_PACKET_COUNT_MASK 0x3fff0000 +#define RADEON_CP_PACKET0_REG_MASK 0x000007ff +#define RADEON_CP_PACKET1_REG0_MASK 0x000007ff +#define RADEON_CP_PACKET1_REG1_MASK 0x003ff800 + +#define RADEON_VTX_Z_PRESENT (1 << 31) +#define RADEON_VTX_PKCOLOR_PRESENT (1 << 3) + +#define RADEON_PRIM_TYPE_NONE (0 << 0) +#define RADEON_PRIM_TYPE_POINT (1 << 0) +#define RADEON_PRIM_TYPE_LINE (2 << 0) +#define RADEON_PRIM_TYPE_LINE_STRIP (3 << 0) +#define RADEON_PRIM_TYPE_TRI_LIST (4 << 0) +#define RADEON_PRIM_TYPE_TRI_FAN (5 << 0) +#define RADEON_PRIM_TYPE_TRI_STRIP (6 << 0) +#define RADEON_PRIM_TYPE_TRI_TYPE2 (7 << 0) +#define RADEON_PRIM_TYPE_RECT_LIST (8 << 0) +#define RADEON_PRIM_TYPE_3VRT_POINT_LIST (9 << 0) +#define RADEON_PRIM_TYPE_3VRT_LINE_LIST (10 << 0) +#define RADEON_PRIM_TYPE_MASK 0xf +#define RADEON_PRIM_WALK_IND (1 << 4) +#define RADEON_PRIM_WALK_LIST (2 << 4) +#define RADEON_PRIM_WALK_RING (3 << 4) +#define RADEON_COLOR_ORDER_BGRA (0 << 6) +#define RADEON_COLOR_ORDER_RGBA (1 << 6) +#define RADEON_MAOS_ENABLE (1 << 7) +#define RADEON_VTX_FMT_R128_MODE (0 << 8) +#define RADEON_VTX_FMT_RADEON_MODE (1 << 8) +#define RADEON_NUM_VERTICES_SHIFT 16 + +#define RADEON_COLOR_FORMAT_CI8 2 +#define RADEON_COLOR_FORMAT_ARGB1555 3 +#define RADEON_COLOR_FORMAT_RGB565 4 +#define RADEON_COLOR_FORMAT_ARGB8888 6 +#define RADEON_COLOR_FORMAT_RGB332 7 +#define RADEON_COLOR_FORMAT_RGB8 9 +#define RADEON_COLOR_FORMAT_ARGB4444 15 + +#define RADEON_TXFORMAT_I8 0 +#define RADEON_TXFORMAT_AI88 1 +#define RADEON_TXFORMAT_RGB332 2 +#define RADEON_TXFORMAT_ARGB1555 3 +#define RADEON_TXFORMAT_RGB565 4 +#define RADEON_TXFORMAT_ARGB4444 5 +#define RADEON_TXFORMAT_ARGB8888 6 +#define RADEON_TXFORMAT_RGBA8888 7 +#define RADEON_TXFORMAT_Y8 8 +#define RADEON_TXFORMAT_VYUY422 10 +#define RADEON_TXFORMAT_YVYU422 11 +#define RADEON_TXFORMAT_DXT1 12 +#define RADEON_TXFORMAT_DXT23 14 +#define RADEON_TXFORMAT_DXT45 15 + +#define R200_PP_TXCBLEND_0 0x2f00 +#define R200_PP_TXCBLEND_1 0x2f10 +#define R200_PP_TXCBLEND_2 0x2f20 +#define R200_PP_TXCBLEND_3 0x2f30 +#define R200_PP_TXCBLEND_4 0x2f40 +#define R200_PP_TXCBLEND_5 0x2f50 +#define R200_PP_TXCBLEND_6 0x2f60 +#define R200_PP_TXCBLEND_7 0x2f70 +#define R200_SE_TCL_LIGHT_MODEL_CTL_0 0x2268 +#define R200_PP_TFACTOR_0 0x2ee0 +#define R200_SE_VTX_FMT_0 0x2088 +#define R200_SE_VAP_CNTL 0x2080 +#define R200_SE_TCL_MATRIX_SEL_0 0x2230 +#define R200_SE_TCL_TEX_PROC_CTL_2 0x22a8 +#define R200_SE_TCL_UCP_VERT_BLEND_CTL 0x22c0 +#define R200_PP_TXFILTER_5 0x2ca0 +#define R200_PP_TXFILTER_4 0x2c80 +#define R200_PP_TXFILTER_3 0x2c60 +#define R200_PP_TXFILTER_2 0x2c40 +#define R200_PP_TXFILTER_1 0x2c20 +#define R200_PP_TXFILTER_0 0x2c00 +#define R200_PP_TXOFFSET_5 0x2d78 +#define R200_PP_TXOFFSET_4 0x2d60 +#define R200_PP_TXOFFSET_3 0x2d48 +#define R200_PP_TXOFFSET_2 0x2d30 +#define R200_PP_TXOFFSET_1 0x2d18 +#define R200_PP_TXOFFSET_0 0x2d00 + +#define R200_PP_CUBIC_FACES_0 0x2c18 +#define R200_PP_CUBIC_FACES_1 0x2c38 +#define R200_PP_CUBIC_FACES_2 0x2c58 +#define R200_PP_CUBIC_FACES_3 0x2c78 +#define R200_PP_CUBIC_FACES_4 0x2c98 +#define R200_PP_CUBIC_FACES_5 0x2cb8 +#define R200_PP_CUBIC_OFFSET_F1_0 0x2d04 +#define R200_PP_CUBIC_OFFSET_F2_0 0x2d08 +#define R200_PP_CUBIC_OFFSET_F3_0 0x2d0c +#define R200_PP_CUBIC_OFFSET_F4_0 0x2d10 +#define R200_PP_CUBIC_OFFSET_F5_0 0x2d14 +#define R200_PP_CUBIC_OFFSET_F1_1 0x2d1c +#define R200_PP_CUBIC_OFFSET_F2_1 0x2d20 +#define R200_PP_CUBIC_OFFSET_F3_1 0x2d24 +#define R200_PP_CUBIC_OFFSET_F4_1 0x2d28 +#define R200_PP_CUBIC_OFFSET_F5_1 0x2d2c +#define R200_PP_CUBIC_OFFSET_F1_2 0x2d34 +#define R200_PP_CUBIC_OFFSET_F2_2 0x2d38 +#define R200_PP_CUBIC_OFFSET_F3_2 0x2d3c +#define R200_PP_CUBIC_OFFSET_F4_2 0x2d40 +#define R200_PP_CUBIC_OFFSET_F5_2 0x2d44 +#define R200_PP_CUBIC_OFFSET_F1_3 0x2d4c +#define R200_PP_CUBIC_OFFSET_F2_3 0x2d50 +#define R200_PP_CUBIC_OFFSET_F3_3 0x2d54 +#define R200_PP_CUBIC_OFFSET_F4_3 0x2d58 +#define R200_PP_CUBIC_OFFSET_F5_3 0x2d5c +#define R200_PP_CUBIC_OFFSET_F1_4 0x2d64 +#define R200_PP_CUBIC_OFFSET_F2_4 0x2d68 +#define R200_PP_CUBIC_OFFSET_F3_4 0x2d6c +#define R200_PP_CUBIC_OFFSET_F4_4 0x2d70 +#define R200_PP_CUBIC_OFFSET_F5_4 0x2d74 +#define R200_PP_CUBIC_OFFSET_F1_5 0x2d7c +#define R200_PP_CUBIC_OFFSET_F2_5 0x2d80 +#define R200_PP_CUBIC_OFFSET_F3_5 0x2d84 +#define R200_PP_CUBIC_OFFSET_F4_5 0x2d88 +#define R200_PP_CUBIC_OFFSET_F5_5 0x2d8c + +#define R200_RE_AUX_SCISSOR_CNTL 0x26f0 +#define R200_SE_VTE_CNTL 0x20b0 +#define R200_SE_TCL_OUTPUT_VTX_COMP_SEL 0x2250 +#define R200_PP_TAM_DEBUG3 0x2d9c +#define R200_PP_CNTL_X 0x2cc4 +#define R200_SE_VAP_CNTL_STATUS 0x2140 +#define R200_RE_SCISSOR_TL_0 0x1cd8 +#define R200_RE_SCISSOR_TL_1 0x1ce0 +#define R200_RE_SCISSOR_TL_2 0x1ce8 +#define R200_RB3D_DEPTHXY_OFFSET 0x1d60 +#define R200_RE_AUX_SCISSOR_CNTL 0x26f0 +#define R200_SE_VTX_STATE_CNTL 0x2180 +#define R200_RE_POINTSIZE 0x2648 +#define R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0 0x2254 + +#define RADEON_PP_TEX_SIZE_0 0x1d04 /* NPOT */ +#define RADEON_PP_TEX_SIZE_1 0x1d0c +#define RADEON_PP_TEX_SIZE_2 0x1d14 + +#define RADEON_PP_CUBIC_FACES_0 0x1d24 +#define RADEON_PP_CUBIC_FACES_1 0x1d28 +#define RADEON_PP_CUBIC_FACES_2 0x1d2c +#define RADEON_PP_CUBIC_OFFSET_T0_0 0x1dd0 /* bits [31:5] */ +#define RADEON_PP_CUBIC_OFFSET_T1_0 0x1e00 +#define RADEON_PP_CUBIC_OFFSET_T2_0 0x1e14 + +#define SE_VAP_CNTL__TCL_ENA_MASK 0x00000001 +#define SE_VAP_CNTL__FORCE_W_TO_ONE_MASK 0x00010000 +#define SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT 0x00000012 +#define SE_VTE_CNTL__VTX_XY_FMT_MASK 0x00000100 +#define SE_VTE_CNTL__VTX_Z_FMT_MASK 0x00000200 +#define SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK 0x00000001 +#define SE_VTX_FMT_0__VTX_W0_PRESENT_MASK 0x00000002 +#define SE_VTX_FMT_0__VTX_COLOR_0_FMT__SHIFT 0x0000000b +#define R200_3D_DRAW_IMMD_2 0xC0003500 +#define R200_SE_VTX_FMT_1 0x208c +#define R200_RE_CNTL 0x1c50 + +#define R200_RB3D_BLENDCOLOR 0x3218 + +#define R200_SE_TCL_POINT_SPRITE_CNTL 0x22c4 + +#define R200_PP_TRI_PERF 0x2cf8 + +/* Constants */ +#define RADEON_MAX_USEC_TIMEOUT 100000 /* 100 ms */ + +#define RADEON_LAST_FRAME_REG RADEON_SCRATCH_REG0 +#define RADEON_LAST_DISPATCH_REG RADEON_SCRATCH_REG1 +#define RADEON_LAST_CLEAR_REG RADEON_SCRATCH_REG2 +#define RADEON_LAST_SWI_REG RADEON_SCRATCH_REG3 +#define RADEON_LAST_DISPATCH 1 + +#define RADEON_MAX_VB_AGE 0x7fffffff +#define RADEON_MAX_VB_VERTS (0xffff) + +#define RADEON_RING_HIGH_MARK 128 + +#define RADEON_READ(reg) DRM_READ32( dev_priv->mmio, (reg) ) +#define RADEON_WRITE(reg,val) DRM_WRITE32( dev_priv->mmio, (reg), (val) ) +#define RADEON_READ8(reg) DRM_READ8( dev_priv->mmio, (reg) ) +#define RADEON_WRITE8(reg,val) DRM_WRITE8( dev_priv->mmio, (reg), (val) ) + +#define RADEON_WRITE_PLL( addr, val ) \ +do { \ + RADEON_WRITE8( RADEON_CLOCK_CNTL_INDEX, \ + ((addr) & 0x1f) | RADEON_PLL_WR_EN ); \ + RADEON_WRITE( RADEON_CLOCK_CNTL_DATA, (val) ); \ +} while (0) + +#define CP_PACKET0( reg, n ) \ + (RADEON_CP_PACKET0 | ((n) << 16) | ((reg) >> 2)) +#define CP_PACKET0_TABLE( reg, n ) \ + (RADEON_CP_PACKET0 | RADEON_ONE_REG_WR | ((n) << 16) | ((reg) >> 2)) +#define CP_PACKET1( reg0, reg1 ) \ + (RADEON_CP_PACKET1 | (((reg1) >> 2) << 15) | ((reg0) >> 2)) +#define CP_PACKET2() \ + (RADEON_CP_PACKET2) +#define CP_PACKET3( pkt, n ) \ + (RADEON_CP_PACKET3 | (pkt) | ((n) << 16)) + + +/* ================================================================ + * Engine control helper macros + */ + +#define RADEON_WAIT_UNTIL_2D_IDLE() do { \ + OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ + OUT_RING( (RADEON_WAIT_2D_IDLECLEAN | \ + RADEON_WAIT_HOST_IDLECLEAN) ); \ +} while (0) + +#define RADEON_WAIT_UNTIL_3D_IDLE() do { \ + OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ + OUT_RING( (RADEON_WAIT_3D_IDLECLEAN | \ + RADEON_WAIT_HOST_IDLECLEAN) ); \ +} while (0) + +#define RADEON_WAIT_UNTIL_IDLE() do { \ + OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ + OUT_RING( (RADEON_WAIT_2D_IDLECLEAN | \ + RADEON_WAIT_3D_IDLECLEAN | \ + RADEON_WAIT_HOST_IDLECLEAN) ); \ +} while (0) + +#define RADEON_WAIT_UNTIL_PAGE_FLIPPED() do { \ + OUT_RING( CP_PACKET0( RADEON_WAIT_UNTIL, 0 ) ); \ + OUT_RING( RADEON_WAIT_CRTC_PFLIP ); \ +} while (0) + +#define RADEON_FLUSH_CACHE() do { \ + OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) ); \ + OUT_RING( RADEON_RB2D_DC_FLUSH ); \ +} while (0) + +#define RADEON_PURGE_CACHE() do { \ + OUT_RING( CP_PACKET0( RADEON_RB2D_DSTCACHE_CTLSTAT, 0 ) ); \ + OUT_RING( RADEON_RB2D_DC_FLUSH_ALL ); \ +} while (0) + +#define RADEON_FLUSH_ZCACHE() do { \ + OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \ + OUT_RING( RADEON_RB3D_ZC_FLUSH ); \ +} while (0) + +#define RADEON_PURGE_ZCACHE() do { \ + OUT_RING( CP_PACKET0( RADEON_RB3D_ZCACHE_CTLSTAT, 0 ) ); \ + OUT_RING( RADEON_RB3D_ZC_FLUSH_ALL ); \ +} while (0) + + +/* ================================================================ + * Misc helper macros + */ + +/* Perfbox functionality only. + */ +#define RING_SPACE_TEST_WITH_RETURN( dev_priv ) \ +do { \ + if (!(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE)) { \ + u32 head = GET_RING_HEAD( dev_priv ); \ + if (head == dev_priv->ring.tail) \ + dev_priv->stats.boxes |= RADEON_BOX_DMA_IDLE; \ + } \ +} while (0) + +#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \ +do { \ + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; \ + if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) { \ + int __ret = radeon_do_cp_idle( dev_priv ); \ + if ( __ret ) return __ret; \ + sarea_priv->last_dispatch = 0; \ + radeon_freelist_reset( dev ); \ + } \ +} while (0) + +#define RADEON_DISPATCH_AGE( age ) do { \ + OUT_RING( CP_PACKET0( RADEON_LAST_DISPATCH_REG, 0 ) ); \ + OUT_RING( age ); \ +} while (0) + +#define RADEON_FRAME_AGE( age ) do { \ + OUT_RING( CP_PACKET0( RADEON_LAST_FRAME_REG, 0 ) ); \ + OUT_RING( age ); \ +} while (0) + +#define RADEON_CLEAR_AGE( age ) do { \ + OUT_RING( CP_PACKET0( RADEON_LAST_CLEAR_REG, 0 ) ); \ + OUT_RING( age ); \ +} while (0) + + +/* ================================================================ + * Ring control + */ + +#define RADEON_VERBOSE 0 + +#define RING_LOCALS int write, _nr; unsigned int mask; u32 *ring; + +#define BEGIN_RING( n ) do { \ + if ( RADEON_VERBOSE ) { \ + DRM_INFO( "BEGIN_RING( %d ) in %s\n", \ + n, __FUNCTION__ ); \ + } \ + if ( dev_priv->ring.space <= (n) * sizeof(u32) ) { \ + COMMIT_RING(); \ + radeon_wait_ring( dev_priv, (n) * sizeof(u32) ); \ + } \ + _nr = n; dev_priv->ring.space -= (n) * sizeof(u32); \ + ring = dev_priv->ring.start; \ + write = dev_priv->ring.tail; \ + mask = dev_priv->ring.tail_mask; \ +} while (0) + +#define ADVANCE_RING() do { \ + if ( RADEON_VERBOSE ) { \ + DRM_INFO( "ADVANCE_RING() wr=0x%06x tail=0x%06x\n", \ + write, dev_priv->ring.tail ); \ + } \ + if (((dev_priv->ring.tail + _nr) & mask) != write) { \ + DRM_ERROR( \ + "ADVANCE_RING(): mismatch: nr: %x write: %x line: %d\n", \ + ((dev_priv->ring.tail + _nr) & mask), \ + write, __LINE__); \ + } else \ + dev_priv->ring.tail = write; \ +} while (0) + +#define COMMIT_RING() do { \ + /* Flush writes to ring */ \ + DRM_MEMORYBARRIER(); \ + GET_RING_HEAD( dev_priv ); \ + RADEON_WRITE( RADEON_CP_RB_WPTR, dev_priv->ring.tail ); \ + /* read from PCI bus to ensure correct posting */ \ + RADEON_READ( RADEON_CP_RB_RPTR ); \ +} while (0) + +#define OUT_RING( x ) do { \ + if ( RADEON_VERBOSE ) { \ + DRM_INFO( " OUT_RING( 0x%08x ) at 0x%x\n", \ + (unsigned int)(x), write ); \ + } \ + ring[write++] = (x); \ + write &= mask; \ +} while (0) + +#define OUT_RING_REG( reg, val ) do { \ + OUT_RING( CP_PACKET0( reg, 0 ) ); \ + OUT_RING( val ); \ +} while (0) + + +#define OUT_RING_TABLE( tab, sz ) do { \ + int _size = (sz); \ + int *_tab = (int *)(tab); \ + \ + if (write + _size > mask) { \ + int _i = (mask+1) - write; \ + _size -= _i; \ + while (_i > 0 ) { \ + *(int *)(ring + write) = *_tab++; \ + write++; \ + _i--; \ + } \ + write = 0; \ + _tab += _i; \ + } \ + \ + while (_size > 0) { \ + *(ring + write) = *_tab++; \ + write++; \ + _size--; \ + } \ + write &= mask; \ +} while (0) + + +#endif /* __RADEON_DRV_H__ */ diff --git a/drivers/char/drm/radeon_irq.c b/drivers/char/drm/radeon_irq.c new file mode 100644 index 0000000..5b18bee --- /dev/null +++ b/drivers/char/drm/radeon_irq.c @@ -0,0 +1,251 @@ +/* radeon_irq.c -- IRQ handling for radeon -*- linux-c -*- + * + * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Michel D�zer <michel@daenzer.net> + */ + +#include "drmP.h" +#include "drm.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +/* Interrupts - Used for device synchronization and flushing in the + * following circumstances: + * + * - Exclusive FB access with hw idle: + * - Wait for GUI Idle (?) interrupt, then do normal flush. + * + * - Frame throttling, NV_fence: + * - Drop marker irq's into command stream ahead of time. + * - Wait on irq's with lock *not held* + * - Check each for termination condition + * + * - Internally in cp_getbuffer, etc: + * - as above, but wait with lock held??? + * + * NOTE: These functions are misleadingly named -- the irq's aren't + * tied to dma at all, this is just a hangover from dri prehistory. + */ + +irqreturn_t radeon_driver_irq_handler( DRM_IRQ_ARGS ) +{ + drm_device_t *dev = (drm_device_t *) arg; + drm_radeon_private_t *dev_priv = + (drm_radeon_private_t *)dev->dev_private; + u32 stat; + + /* Only consider the bits we're interested in - others could be used + * outside the DRM + */ + stat = RADEON_READ(RADEON_GEN_INT_STATUS) + & (RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT); + if (!stat) + return IRQ_NONE; + + /* SW interrupt */ + if (stat & RADEON_SW_INT_TEST) { + DRM_WAKEUP( &dev_priv->swi_queue ); + } + + /* VBLANK interrupt */ + if (stat & RADEON_CRTC_VBLANK_STAT) { + atomic_inc(&dev->vbl_received); + DRM_WAKEUP(&dev->vbl_queue); + drm_vbl_send_signals( dev ); + } + + /* Acknowledge interrupts we handle */ + RADEON_WRITE(RADEON_GEN_INT_STATUS, stat); + return IRQ_HANDLED; +} + +static __inline__ void radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv) +{ + u32 tmp = RADEON_READ( RADEON_GEN_INT_STATUS ) + & (RADEON_SW_INT_TEST_ACK | RADEON_CRTC_VBLANK_STAT); + if (tmp) + RADEON_WRITE( RADEON_GEN_INT_STATUS, tmp ); +} + +static int radeon_emit_irq(drm_device_t *dev) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + unsigned int ret; + RING_LOCALS; + + atomic_inc(&dev_priv->swi_emitted); + ret = atomic_read(&dev_priv->swi_emitted); + + BEGIN_RING( 4 ); + OUT_RING_REG( RADEON_LAST_SWI_REG, ret ); + OUT_RING_REG( RADEON_GEN_INT_STATUS, RADEON_SW_INT_FIRE ); + ADVANCE_RING(); + COMMIT_RING(); + + return ret; +} + + +static int radeon_wait_irq(drm_device_t *dev, int swi_nr) +{ + drm_radeon_private_t *dev_priv = + (drm_radeon_private_t *)dev->dev_private; + int ret = 0; + + if (RADEON_READ( RADEON_LAST_SWI_REG ) >= swi_nr) + return 0; + + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + + /* This is a hack to work around mysterious freezes on certain + * systems: + */ + radeon_acknowledge_irqs( dev_priv ); + + DRM_WAIT_ON( ret, dev_priv->swi_queue, 3 * DRM_HZ, + RADEON_READ( RADEON_LAST_SWI_REG ) >= swi_nr ); + + return ret; +} + +int radeon_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence) +{ + drm_radeon_private_t *dev_priv = + (drm_radeon_private_t *)dev->dev_private; + unsigned int cur_vblank; + int ret = 0; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + radeon_acknowledge_irqs( dev_priv ); + + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + + /* Assume that the user has missed the current sequence number + * by about a day rather than she wants to wait for years + * using vertical blanks... + */ + DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ, + ( ( ( cur_vblank = atomic_read(&dev->vbl_received ) ) + - *sequence ) <= (1<<23) ) ); + + *sequence = cur_vblank; + + return ret; +} + + +/* Needs the lock as it touches the ring. + */ +int radeon_irq_emit( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_irq_emit_t emit; + int result; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( emit, (drm_radeon_irq_emit_t __user *)data, + sizeof(emit) ); + + result = radeon_emit_irq( dev ); + + if ( DRM_COPY_TO_USER( emit.irq_seq, &result, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return DRM_ERR(EFAULT); + } + + return 0; +} + + +/* Doesn't need the hardware lock. + */ +int radeon_irq_wait( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_irq_wait_t irqwait; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( irqwait, (drm_radeon_irq_wait_t __user*)data, + sizeof(irqwait) ); + + return radeon_wait_irq( dev, irqwait.irq_seq ); +} + + +/* drm_dma.h hooks +*/ +void radeon_driver_irq_preinstall( drm_device_t *dev ) { + drm_radeon_private_t *dev_priv = + (drm_radeon_private_t *)dev->dev_private; + + /* Disable *all* interrupts */ + RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); + + /* Clear bits if they're already high */ + radeon_acknowledge_irqs( dev_priv ); +} + +void radeon_driver_irq_postinstall( drm_device_t *dev ) { + drm_radeon_private_t *dev_priv = + (drm_radeon_private_t *)dev->dev_private; + + atomic_set(&dev_priv->swi_emitted, 0); + DRM_INIT_WAITQUEUE( &dev_priv->swi_queue ); + + /* Turn on SW and VBL ints */ + RADEON_WRITE( RADEON_GEN_INT_CNTL, + RADEON_CRTC_VBLANK_MASK | + RADEON_SW_INT_ENABLE ); +} + +void radeon_driver_irq_uninstall( drm_device_t *dev ) { + drm_radeon_private_t *dev_priv = + (drm_radeon_private_t *)dev->dev_private; + if (!dev_priv) + return; + + /* Disable *all* interrupts */ + RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 ); +} diff --git a/drivers/char/drm/radeon_mem.c b/drivers/char/drm/radeon_mem.c new file mode 100644 index 0000000..134f894 --- /dev/null +++ b/drivers/char/drm/radeon_mem.c @@ -0,0 +1,322 @@ +/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*- + * + * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. + * + * The Weather Channel (TM) funded Tungsten Graphics to develop the + * initial release of the Radeon 8500 driver under the XFree86 license. + * This notice must be preserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +/* Very simple allocator for GART memory, working on a static range + * already mapped into each client's address space. + */ + +static struct mem_block *split_block(struct mem_block *p, int start, int size, + DRMFILE filp ) +{ + /* Maybe cut off the start of an existing block */ + if (start > p->start) { + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFS ); + if (!newblock) + goto out; + newblock->start = start; + newblock->size = p->size - (start - p->start); + newblock->filp = NULL; + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + p->size -= newblock->size; + p = newblock; + } + + /* Maybe cut off the end of an existing block */ + if (size < p->size) { + struct mem_block *newblock = drm_alloc(sizeof(*newblock), DRM_MEM_BUFS ); + if (!newblock) + goto out; + newblock->start = start + size; + newblock->size = p->size - size; + newblock->filp = NULL; + newblock->next = p->next; + newblock->prev = p; + p->next->prev = newblock; + p->next = newblock; + p->size = size; + } + + out: + /* Our block is in the middle */ + p->filp = filp; + return p; +} + +static struct mem_block *alloc_block( struct mem_block *heap, int size, + int align2, DRMFILE filp ) +{ + struct mem_block *p; + int mask = (1 << align2)-1; + + list_for_each(p, heap) { + int start = (p->start + mask) & ~mask; + if (p->filp == 0 && start + size <= p->start + p->size) + return split_block( p, start, size, filp ); + } + + return NULL; +} + +static struct mem_block *find_block( struct mem_block *heap, int start ) +{ + struct mem_block *p; + + list_for_each(p, heap) + if (p->start == start) + return p; + + return NULL; +} + + +static void free_block( struct mem_block *p ) +{ + p->filp = NULL; + + /* Assumes a single contiguous range. Needs a special filp in + * 'heap' to stop it being subsumed. + */ + if (p->next->filp == 0) { + struct mem_block *q = p->next; + p->size += q->size; + p->next = q->next; + p->next->prev = p; + drm_free(q, sizeof(*q), DRM_MEM_BUFS ); + } + + if (p->prev->filp == 0) { + struct mem_block *q = p->prev; + q->size += p->size; + q->next = p->next; + q->next->prev = q; + drm_free(p, sizeof(*q), DRM_MEM_BUFS ); + } +} + +/* Initialize. How to check for an uninitialized heap? + */ +static int init_heap(struct mem_block **heap, int start, int size) +{ + struct mem_block *blocks = drm_alloc(sizeof(*blocks), DRM_MEM_BUFS ); + + if (!blocks) + return DRM_ERR(ENOMEM); + + *heap = drm_alloc(sizeof(**heap), DRM_MEM_BUFS ); + if (!*heap) { + drm_free( blocks, sizeof(*blocks), DRM_MEM_BUFS ); + return DRM_ERR(ENOMEM); + } + + blocks->start = start; + blocks->size = size; + blocks->filp = NULL; + blocks->next = blocks->prev = *heap; + + memset( *heap, 0, sizeof(**heap) ); + (*heap)->filp = (DRMFILE) -1; + (*heap)->next = (*heap)->prev = blocks; + return 0; +} + + +/* Free all blocks associated with the releasing file. + */ +void radeon_mem_release( DRMFILE filp, struct mem_block *heap ) +{ + struct mem_block *p; + + if (!heap || !heap->next) + return; + + list_for_each(p, heap) { + if (p->filp == filp) + p->filp = NULL; + } + + /* Assumes a single contiguous range. Needs a special filp in + * 'heap' to stop it being subsumed. + */ + list_for_each(p, heap) { + while (p->filp == 0 && p->next->filp == 0) { + struct mem_block *q = p->next; + p->size += q->size; + p->next = q->next; + p->next->prev = p; + drm_free(q, sizeof(*q),DRM_MEM_DRIVER); + } + } +} + +/* Shutdown. + */ +void radeon_mem_takedown( struct mem_block **heap ) +{ + struct mem_block *p; + + if (!*heap) + return; + + for (p = (*heap)->next ; p != *heap ; ) { + struct mem_block *q = p; + p = p->next; + drm_free(q, sizeof(*q),DRM_MEM_DRIVER); + } + + drm_free( *heap, sizeof(**heap),DRM_MEM_DRIVER ); + *heap = NULL; +} + + + +/* IOCTL HANDLERS */ + +static struct mem_block **get_heap( drm_radeon_private_t *dev_priv, + int region ) +{ + switch( region ) { + case RADEON_MEM_REGION_GART: + return &dev_priv->gart_heap; + case RADEON_MEM_REGION_FB: + return &dev_priv->fb_heap; + default: + return NULL; + } +} + +int radeon_mem_alloc( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_mem_alloc_t alloc; + struct mem_block *block, **heap; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( alloc, (drm_radeon_mem_alloc_t __user *)data, + sizeof(alloc) ); + + heap = get_heap( dev_priv, alloc.region ); + if (!heap || !*heap) + return DRM_ERR(EFAULT); + + /* Make things easier on ourselves: all allocations at least + * 4k aligned. + */ + if (alloc.alignment < 12) + alloc.alignment = 12; + + block = alloc_block( *heap, alloc.size, alloc.alignment, + filp ); + + if (!block) + return DRM_ERR(ENOMEM); + + if ( DRM_COPY_TO_USER( alloc.region_offset, &block->start, + sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return DRM_ERR(EFAULT); + } + + return 0; +} + + + +int radeon_mem_free( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_mem_free_t memfree; + struct mem_block *block, **heap; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( memfree, (drm_radeon_mem_free_t __user *)data, + sizeof(memfree) ); + + heap = get_heap( dev_priv, memfree.region ); + if (!heap || !*heap) + return DRM_ERR(EFAULT); + + block = find_block( *heap, memfree.region_offset ); + if (!block) + return DRM_ERR(EFAULT); + + if (block->filp != filp) + return DRM_ERR(EPERM); + + free_block( block ); + return 0; +} + +int radeon_mem_init_heap( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_mem_init_heap_t initheap; + struct mem_block **heap; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( initheap, (drm_radeon_mem_init_heap_t __user *)data, + sizeof(initheap) ); + + heap = get_heap( dev_priv, initheap.region ); + if (!heap) + return DRM_ERR(EFAULT); + + if (*heap) { + DRM_ERROR("heap already initialized?"); + return DRM_ERR(EFAULT); + } + + return init_heap( heap, initheap.start, initheap.size ); +} + + diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c new file mode 100644 index 0000000..1f79e24 --- /dev/null +++ b/drivers/char/drm/radeon_state.c @@ -0,0 +1,3102 @@ +/* radeon_state.c -- State support for Radeon -*- linux-c -*- + * + * Copyright 2000 VA Linux Systems, Inc., Fremont, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + * Kevin E. Martin <martin@valinux.com> + */ + +#include "drmP.h" +#include "drm.h" +#include "drm_sarea.h" +#include "radeon_drm.h" +#include "radeon_drv.h" + +/* ================================================================ + * Helper functions for client state checking and fixup + */ + +static __inline__ int radeon_check_and_fixup_offset( drm_radeon_private_t *dev_priv, + drm_file_t *filp_priv, + u32 *offset ) { + u32 off = *offset; + struct drm_radeon_driver_file_fields *radeon_priv; + + if ( off >= dev_priv->fb_location && + off < ( dev_priv->gart_vm_start + dev_priv->gart_size ) ) + return 0; + + radeon_priv = filp_priv->driver_priv; + off += radeon_priv->radeon_fb_delta; + + DRM_DEBUG( "offset fixed up to 0x%x\n", off ); + + if ( off < dev_priv->fb_location || + off >= ( dev_priv->gart_vm_start + dev_priv->gart_size ) ) + return DRM_ERR( EINVAL ); + + *offset = off; + + return 0; +} + +static __inline__ int radeon_check_and_fixup_packets( drm_radeon_private_t *dev_priv, + drm_file_t *filp_priv, + int id, + u32 __user *data ) { + switch ( id ) { + + case RADEON_EMIT_PP_MISC: + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &data[( RADEON_RB3D_DEPTHOFFSET + - RADEON_PP_MISC ) / 4] ) ) { + DRM_ERROR( "Invalid depth buffer offset\n" ); + return DRM_ERR( EINVAL ); + } + break; + + case RADEON_EMIT_PP_CNTL: + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &data[( RADEON_RB3D_COLOROFFSET + - RADEON_PP_CNTL ) / 4] ) ) { + DRM_ERROR( "Invalid colour buffer offset\n" ); + return DRM_ERR( EINVAL ); + } + break; + + case R200_EMIT_PP_TXOFFSET_0: + case R200_EMIT_PP_TXOFFSET_1: + case R200_EMIT_PP_TXOFFSET_2: + case R200_EMIT_PP_TXOFFSET_3: + case R200_EMIT_PP_TXOFFSET_4: + case R200_EMIT_PP_TXOFFSET_5: + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &data[0] ) ) { + DRM_ERROR( "Invalid R200 texture offset\n" ); + return DRM_ERR( EINVAL ); + } + break; + + case RADEON_EMIT_PP_TXFILTER_0: + case RADEON_EMIT_PP_TXFILTER_1: + case RADEON_EMIT_PP_TXFILTER_2: + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &data[( RADEON_PP_TXOFFSET_0 + - RADEON_PP_TXFILTER_0 ) / 4] ) ) { + DRM_ERROR( "Invalid R100 texture offset\n" ); + return DRM_ERR( EINVAL ); + } + break; + + case R200_EMIT_PP_CUBIC_OFFSETS_0: + case R200_EMIT_PP_CUBIC_OFFSETS_1: + case R200_EMIT_PP_CUBIC_OFFSETS_2: + case R200_EMIT_PP_CUBIC_OFFSETS_3: + case R200_EMIT_PP_CUBIC_OFFSETS_4: + case R200_EMIT_PP_CUBIC_OFFSETS_5: { + int i; + for ( i = 0; i < 5; i++ ) { + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &data[i] ) ) { + DRM_ERROR( "Invalid R200 cubic texture offset\n" ); + return DRM_ERR( EINVAL ); + } + } + break; + } + + case RADEON_EMIT_PP_CUBIC_OFFSETS_T0: + case RADEON_EMIT_PP_CUBIC_OFFSETS_T1: + case RADEON_EMIT_PP_CUBIC_OFFSETS_T2:{ + int i; + for (i = 0; i < 5; i++) { + if (radeon_check_and_fixup_offset(dev_priv, + filp_priv, + &data[i])) { + DRM_ERROR + ("Invalid R100 cubic texture offset\n"); + return DRM_ERR(EINVAL); + } + } + } + break; + + case RADEON_EMIT_RB3D_COLORPITCH: + case RADEON_EMIT_RE_LINE_PATTERN: + case RADEON_EMIT_SE_LINE_WIDTH: + case RADEON_EMIT_PP_LUM_MATRIX: + case RADEON_EMIT_PP_ROT_MATRIX_0: + case RADEON_EMIT_RB3D_STENCILREFMASK: + case RADEON_EMIT_SE_VPORT_XSCALE: + case RADEON_EMIT_SE_CNTL: + case RADEON_EMIT_SE_CNTL_STATUS: + case RADEON_EMIT_RE_MISC: + case RADEON_EMIT_PP_BORDER_COLOR_0: + case RADEON_EMIT_PP_BORDER_COLOR_1: + case RADEON_EMIT_PP_BORDER_COLOR_2: + case RADEON_EMIT_SE_ZBIAS_FACTOR: + case RADEON_EMIT_SE_TCL_OUTPUT_VTX_FMT: + case RADEON_EMIT_SE_TCL_MATERIAL_EMMISSIVE_RED: + case R200_EMIT_PP_TXCBLEND_0: + case R200_EMIT_PP_TXCBLEND_1: + case R200_EMIT_PP_TXCBLEND_2: + case R200_EMIT_PP_TXCBLEND_3: + case R200_EMIT_PP_TXCBLEND_4: + case R200_EMIT_PP_TXCBLEND_5: + case R200_EMIT_PP_TXCBLEND_6: + case R200_EMIT_PP_TXCBLEND_7: + case R200_EMIT_TCL_LIGHT_MODEL_CTL_0: + case R200_EMIT_TFACTOR_0: + case R200_EMIT_VTX_FMT_0: + case R200_EMIT_VAP_CTL: + case R200_EMIT_MATRIX_SELECT_0: + case R200_EMIT_TEX_PROC_CTL_2: + case R200_EMIT_TCL_UCP_VERT_BLEND_CTL: + case R200_EMIT_PP_TXFILTER_0: + case R200_EMIT_PP_TXFILTER_1: + case R200_EMIT_PP_TXFILTER_2: + case R200_EMIT_PP_TXFILTER_3: + case R200_EMIT_PP_TXFILTER_4: + case R200_EMIT_PP_TXFILTER_5: + case R200_EMIT_VTE_CNTL: + case R200_EMIT_OUTPUT_VTX_COMP_SEL: + case R200_EMIT_PP_TAM_DEBUG3: + case R200_EMIT_PP_CNTL_X: + case R200_EMIT_RB3D_DEPTHXY_OFFSET: + case R200_EMIT_RE_AUX_SCISSOR_CNTL: + case R200_EMIT_RE_SCISSOR_TL_0: + case R200_EMIT_RE_SCISSOR_TL_1: + case R200_EMIT_RE_SCISSOR_TL_2: + case R200_EMIT_SE_VAP_CNTL_STATUS: + case R200_EMIT_SE_VTX_STATE_CNTL: + case R200_EMIT_RE_POINTSIZE: + case R200_EMIT_TCL_INPUT_VTX_VECTOR_ADDR_0: + case R200_EMIT_PP_CUBIC_FACES_0: + case R200_EMIT_PP_CUBIC_FACES_1: + case R200_EMIT_PP_CUBIC_FACES_2: + case R200_EMIT_PP_CUBIC_FACES_3: + case R200_EMIT_PP_CUBIC_FACES_4: + case R200_EMIT_PP_CUBIC_FACES_5: + case RADEON_EMIT_PP_TEX_SIZE_0: + case RADEON_EMIT_PP_TEX_SIZE_1: + case RADEON_EMIT_PP_TEX_SIZE_2: + case R200_EMIT_RB3D_BLENDCOLOR: + case R200_EMIT_TCL_POINT_SPRITE_CNTL: + case RADEON_EMIT_PP_CUBIC_FACES_0: + case RADEON_EMIT_PP_CUBIC_FACES_1: + case RADEON_EMIT_PP_CUBIC_FACES_2: + case R200_EMIT_PP_TRI_PERF_CNTL: + /* These packets don't contain memory offsets */ + break; + + default: + DRM_ERROR( "Unknown state packet ID %d\n", id ); + return DRM_ERR( EINVAL ); + } + + return 0; +} + +static __inline__ int radeon_check_and_fixup_packet3( drm_radeon_private_t *dev_priv, + drm_file_t *filp_priv, + drm_radeon_cmd_buffer_t *cmdbuf, + unsigned int *cmdsz ) { + u32 *cmd = (u32 *) cmdbuf->buf; + + *cmdsz = 2 + ( ( cmd[0] & RADEON_CP_PACKET_COUNT_MASK ) >> 16 ); + + if ( ( cmd[0] & 0xc0000000 ) != RADEON_CP_PACKET3 ) { + DRM_ERROR( "Not a type 3 packet\n" ); + return DRM_ERR( EINVAL ); + } + + if ( 4 * *cmdsz > cmdbuf->bufsz ) { + DRM_ERROR( "Packet size larger than size of data provided\n" ); + return DRM_ERR( EINVAL ); + } + + /* Check client state and fix it up if necessary */ + if ( cmd[0] & 0x8000 ) { /* MSB of opcode: next DWORD GUI_CNTL */ + u32 offset; + + if ( cmd[1] & ( RADEON_GMC_SRC_PITCH_OFFSET_CNTL + | RADEON_GMC_DST_PITCH_OFFSET_CNTL ) ) { + offset = cmd[2] << 10; + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, &offset ) ) { + DRM_ERROR( "Invalid first packet offset\n" ); + return DRM_ERR( EINVAL ); + } + cmd[2] = ( cmd[2] & 0xffc00000 ) | offset >> 10; + } + + if ( ( cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL ) && + ( cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL ) ) { + offset = cmd[3] << 10; + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, &offset ) ) { + DRM_ERROR( "Invalid second packet offset\n" ); + return DRM_ERR( EINVAL ); + } + cmd[3] = ( cmd[3] & 0xffc00000 ) | offset >> 10; + } + } + + return 0; +} + + +/* ================================================================ + * CP hardware state programming functions + */ + +static __inline__ void radeon_emit_clip_rect( drm_radeon_private_t *dev_priv, + drm_clip_rect_t *box ) +{ + RING_LOCALS; + + DRM_DEBUG( " box: x1=%d y1=%d x2=%d y2=%d\n", + box->x1, box->y1, box->x2, box->y2 ); + + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET0( RADEON_RE_TOP_LEFT, 0 ) ); + OUT_RING( (box->y1 << 16) | box->x1 ); + OUT_RING( CP_PACKET0( RADEON_RE_WIDTH_HEIGHT, 0 ) ); + OUT_RING( ((box->y2 - 1) << 16) | (box->x2 - 1) ); + ADVANCE_RING(); +} + +/* Emit 1.1 state + */ +static int radeon_emit_state( drm_radeon_private_t *dev_priv, + drm_file_t *filp_priv, + drm_radeon_context_regs_t *ctx, + drm_radeon_texture_regs_t *tex, + unsigned int dirty ) +{ + RING_LOCALS; + DRM_DEBUG( "dirty=0x%08x\n", dirty ); + + if ( dirty & RADEON_UPLOAD_CONTEXT ) { + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &ctx->rb3d_depthoffset ) ) { + DRM_ERROR( "Invalid depth buffer offset\n" ); + return DRM_ERR( EINVAL ); + } + + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &ctx->rb3d_coloroffset ) ) { + DRM_ERROR( "Invalid depth buffer offset\n" ); + return DRM_ERR( EINVAL ); + } + + BEGIN_RING( 14 ); + OUT_RING( CP_PACKET0( RADEON_PP_MISC, 6 ) ); + OUT_RING( ctx->pp_misc ); + OUT_RING( ctx->pp_fog_color ); + OUT_RING( ctx->re_solid_color ); + OUT_RING( ctx->rb3d_blendcntl ); + OUT_RING( ctx->rb3d_depthoffset ); + OUT_RING( ctx->rb3d_depthpitch ); + OUT_RING( ctx->rb3d_zstencilcntl ); + OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 2 ) ); + OUT_RING( ctx->pp_cntl ); + OUT_RING( ctx->rb3d_cntl ); + OUT_RING( ctx->rb3d_coloroffset ); + OUT_RING( CP_PACKET0( RADEON_RB3D_COLORPITCH, 0 ) ); + OUT_RING( ctx->rb3d_colorpitch ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_VERTFMT ) { + BEGIN_RING( 2 ); + OUT_RING( CP_PACKET0( RADEON_SE_COORD_FMT, 0 ) ); + OUT_RING( ctx->se_coord_fmt ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_LINE ) { + BEGIN_RING( 5 ); + OUT_RING( CP_PACKET0( RADEON_RE_LINE_PATTERN, 1 ) ); + OUT_RING( ctx->re_line_pattern ); + OUT_RING( ctx->re_line_state ); + OUT_RING( CP_PACKET0( RADEON_SE_LINE_WIDTH, 0 ) ); + OUT_RING( ctx->se_line_width ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_BUMPMAP ) { + BEGIN_RING( 5 ); + OUT_RING( CP_PACKET0( RADEON_PP_LUM_MATRIX, 0 ) ); + OUT_RING( ctx->pp_lum_matrix ); + OUT_RING( CP_PACKET0( RADEON_PP_ROT_MATRIX_0, 1 ) ); + OUT_RING( ctx->pp_rot_matrix_0 ); + OUT_RING( ctx->pp_rot_matrix_1 ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_MASKS ) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET0( RADEON_RB3D_STENCILREFMASK, 2 ) ); + OUT_RING( ctx->rb3d_stencilrefmask ); + OUT_RING( ctx->rb3d_ropcntl ); + OUT_RING( ctx->rb3d_planemask ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_VIEWPORT ) { + BEGIN_RING( 7 ); + OUT_RING( CP_PACKET0( RADEON_SE_VPORT_XSCALE, 5 ) ); + OUT_RING( ctx->se_vport_xscale ); + OUT_RING( ctx->se_vport_xoffset ); + OUT_RING( ctx->se_vport_yscale ); + OUT_RING( ctx->se_vport_yoffset ); + OUT_RING( ctx->se_vport_zscale ); + OUT_RING( ctx->se_vport_zoffset ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_SETUP ) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET0( RADEON_SE_CNTL, 0 ) ); + OUT_RING( ctx->se_cntl ); + OUT_RING( CP_PACKET0( RADEON_SE_CNTL_STATUS, 0 ) ); + OUT_RING( ctx->se_cntl_status ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_MISC ) { + BEGIN_RING( 2 ); + OUT_RING( CP_PACKET0( RADEON_RE_MISC, 0 ) ); + OUT_RING( ctx->re_misc ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_TEX0 ) { + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &tex[0].pp_txoffset ) ) { + DRM_ERROR( "Invalid texture offset for unit 0\n" ); + return DRM_ERR( EINVAL ); + } + + BEGIN_RING( 9 ); + OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_0, 5 ) ); + OUT_RING( tex[0].pp_txfilter ); + OUT_RING( tex[0].pp_txformat ); + OUT_RING( tex[0].pp_txoffset ); + OUT_RING( tex[0].pp_txcblend ); + OUT_RING( tex[0].pp_txablend ); + OUT_RING( tex[0].pp_tfactor ); + OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_0, 0 ) ); + OUT_RING( tex[0].pp_border_color ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_TEX1 ) { + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &tex[1].pp_txoffset ) ) { + DRM_ERROR( "Invalid texture offset for unit 1\n" ); + return DRM_ERR( EINVAL ); + } + + BEGIN_RING( 9 ); + OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_1, 5 ) ); + OUT_RING( tex[1].pp_txfilter ); + OUT_RING( tex[1].pp_txformat ); + OUT_RING( tex[1].pp_txoffset ); + OUT_RING( tex[1].pp_txcblend ); + OUT_RING( tex[1].pp_txablend ); + OUT_RING( tex[1].pp_tfactor ); + OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_1, 0 ) ); + OUT_RING( tex[1].pp_border_color ); + ADVANCE_RING(); + } + + if ( dirty & RADEON_UPLOAD_TEX2 ) { + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, + &tex[2].pp_txoffset ) ) { + DRM_ERROR( "Invalid texture offset for unit 2\n" ); + return DRM_ERR( EINVAL ); + } + + BEGIN_RING( 9 ); + OUT_RING( CP_PACKET0( RADEON_PP_TXFILTER_2, 5 ) ); + OUT_RING( tex[2].pp_txfilter ); + OUT_RING( tex[2].pp_txformat ); + OUT_RING( tex[2].pp_txoffset ); + OUT_RING( tex[2].pp_txcblend ); + OUT_RING( tex[2].pp_txablend ); + OUT_RING( tex[2].pp_tfactor ); + OUT_RING( CP_PACKET0( RADEON_PP_BORDER_COLOR_2, 0 ) ); + OUT_RING( tex[2].pp_border_color ); + ADVANCE_RING(); + } + + return 0; +} + +/* Emit 1.2 state + */ +static int radeon_emit_state2( drm_radeon_private_t *dev_priv, + drm_file_t *filp_priv, + drm_radeon_state_t *state ) +{ + RING_LOCALS; + + if (state->dirty & RADEON_UPLOAD_ZBIAS) { + BEGIN_RING( 3 ); + OUT_RING( CP_PACKET0( RADEON_SE_ZBIAS_FACTOR, 1 ) ); + OUT_RING( state->context2.se_zbias_factor ); + OUT_RING( state->context2.se_zbias_constant ); + ADVANCE_RING(); + } + + return radeon_emit_state( dev_priv, filp_priv, &state->context, + state->tex, state->dirty ); +} + +/* New (1.3) state mechanism. 3 commands (packet, scalar, vector) in + * 1.3 cmdbuffers allow all previous state to be updated as well as + * the tcl scalar and vector areas. + */ +static struct { + int start; + int len; + const char *name; +} packet[RADEON_MAX_STATE_PACKETS] = { + { RADEON_PP_MISC,7,"RADEON_PP_MISC" }, + { RADEON_PP_CNTL,3,"RADEON_PP_CNTL" }, + { RADEON_RB3D_COLORPITCH,1,"RADEON_RB3D_COLORPITCH" }, + { RADEON_RE_LINE_PATTERN,2,"RADEON_RE_LINE_PATTERN" }, + { RADEON_SE_LINE_WIDTH,1,"RADEON_SE_LINE_WIDTH" }, + { RADEON_PP_LUM_MATRIX,1,"RADEON_PP_LUM_MATRIX" }, + { RADEON_PP_ROT_MATRIX_0,2,"RADEON_PP_ROT_MATRIX_0" }, + { RADEON_RB3D_STENCILREFMASK,3,"RADEON_RB3D_STENCILREFMASK" }, + { RADEON_SE_VPORT_XSCALE,6,"RADEON_SE_VPORT_XSCALE" }, + { RADEON_SE_CNTL,2,"RADEON_SE_CNTL" }, + { RADEON_SE_CNTL_STATUS,1,"RADEON_SE_CNTL_STATUS" }, + { RADEON_RE_MISC,1,"RADEON_RE_MISC" }, + { RADEON_PP_TXFILTER_0,6,"RADEON_PP_TXFILTER_0" }, + { RADEON_PP_BORDER_COLOR_0,1,"RADEON_PP_BORDER_COLOR_0" }, + { RADEON_PP_TXFILTER_1,6,"RADEON_PP_TXFILTER_1" }, + { RADEON_PP_BORDER_COLOR_1,1,"RADEON_PP_BORDER_COLOR_1" }, + { RADEON_PP_TXFILTER_2,6,"RADEON_PP_TXFILTER_2" }, + { RADEON_PP_BORDER_COLOR_2,1,"RADEON_PP_BORDER_COLOR_2" }, + { RADEON_SE_ZBIAS_FACTOR,2,"RADEON_SE_ZBIAS_FACTOR" }, + { RADEON_SE_TCL_OUTPUT_VTX_FMT,11,"RADEON_SE_TCL_OUTPUT_VTX_FMT" }, + { RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED,17,"RADEON_SE_TCL_MATERIAL_EMMISSIVE_RED" }, + { R200_PP_TXCBLEND_0, 4, "R200_PP_TXCBLEND_0" }, + { R200_PP_TXCBLEND_1, 4, "R200_PP_TXCBLEND_1" }, + { R200_PP_TXCBLEND_2, 4, "R200_PP_TXCBLEND_2" }, + { R200_PP_TXCBLEND_3, 4, "R200_PP_TXCBLEND_3" }, + { R200_PP_TXCBLEND_4, 4, "R200_PP_TXCBLEND_4" }, + { R200_PP_TXCBLEND_5, 4, "R200_PP_TXCBLEND_5" }, + { R200_PP_TXCBLEND_6, 4, "R200_PP_TXCBLEND_6" }, + { R200_PP_TXCBLEND_7, 4, "R200_PP_TXCBLEND_7" }, + { R200_SE_TCL_LIGHT_MODEL_CTL_0, 6, "R200_SE_TCL_LIGHT_MODEL_CTL_0" }, + { R200_PP_TFACTOR_0, 6, "R200_PP_TFACTOR_0" }, + { R200_SE_VTX_FMT_0, 4, "R200_SE_VTX_FMT_0" }, + { R200_SE_VAP_CNTL, 1, "R200_SE_VAP_CNTL" }, + { R200_SE_TCL_MATRIX_SEL_0, 5, "R200_SE_TCL_MATRIX_SEL_0" }, + { R200_SE_TCL_TEX_PROC_CTL_2, 5, "R200_SE_TCL_TEX_PROC_CTL_2" }, + { R200_SE_TCL_UCP_VERT_BLEND_CTL, 1, "R200_SE_TCL_UCP_VERT_BLEND_CTL" }, + { R200_PP_TXFILTER_0, 6, "R200_PP_TXFILTER_0" }, + { R200_PP_TXFILTER_1, 6, "R200_PP_TXFILTER_1" }, + { R200_PP_TXFILTER_2, 6, "R200_PP_TXFILTER_2" }, + { R200_PP_TXFILTER_3, 6, "R200_PP_TXFILTER_3" }, + { R200_PP_TXFILTER_4, 6, "R200_PP_TXFILTER_4" }, + { R200_PP_TXFILTER_5, 6, "R200_PP_TXFILTER_5" }, + { R200_PP_TXOFFSET_0, 1, "R200_PP_TXOFFSET_0" }, + { R200_PP_TXOFFSET_1, 1, "R200_PP_TXOFFSET_1" }, + { R200_PP_TXOFFSET_2, 1, "R200_PP_TXOFFSET_2" }, + { R200_PP_TXOFFSET_3, 1, "R200_PP_TXOFFSET_3" }, + { R200_PP_TXOFFSET_4, 1, "R200_PP_TXOFFSET_4" }, + { R200_PP_TXOFFSET_5, 1, "R200_PP_TXOFFSET_5" }, + { R200_SE_VTE_CNTL, 1, "R200_SE_VTE_CNTL" }, + { R200_SE_TCL_OUTPUT_VTX_COMP_SEL, 1, "R200_SE_TCL_OUTPUT_VTX_COMP_SEL" }, + { R200_PP_TAM_DEBUG3, 1, "R200_PP_TAM_DEBUG3" }, + { R200_PP_CNTL_X, 1, "R200_PP_CNTL_X" }, + { R200_RB3D_DEPTHXY_OFFSET, 1, "R200_RB3D_DEPTHXY_OFFSET" }, + { R200_RE_AUX_SCISSOR_CNTL, 1, "R200_RE_AUX_SCISSOR_CNTL" }, + { R200_RE_SCISSOR_TL_0, 2, "R200_RE_SCISSOR_TL_0" }, + { R200_RE_SCISSOR_TL_1, 2, "R200_RE_SCISSOR_TL_1" }, + { R200_RE_SCISSOR_TL_2, 2, "R200_RE_SCISSOR_TL_2" }, + { R200_SE_VAP_CNTL_STATUS, 1, "R200_SE_VAP_CNTL_STATUS" }, + { R200_SE_VTX_STATE_CNTL, 1, "R200_SE_VTX_STATE_CNTL" }, + { R200_RE_POINTSIZE, 1, "R200_RE_POINTSIZE" }, + { R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0, 4, "R200_SE_TCL_INPUT_VTX_VECTOR_ADDR_0" }, + { R200_PP_CUBIC_FACES_0, 1, "R200_PP_CUBIC_FACES_0" }, /* 61 */ + { R200_PP_CUBIC_OFFSET_F1_0, 5, "R200_PP_CUBIC_OFFSET_F1_0" }, /* 62 */ + { R200_PP_CUBIC_FACES_1, 1, "R200_PP_CUBIC_FACES_1" }, + { R200_PP_CUBIC_OFFSET_F1_1, 5, "R200_PP_CUBIC_OFFSET_F1_1" }, + { R200_PP_CUBIC_FACES_2, 1, "R200_PP_CUBIC_FACES_2" }, + { R200_PP_CUBIC_OFFSET_F1_2, 5, "R200_PP_CUBIC_OFFSET_F1_2" }, + { R200_PP_CUBIC_FACES_3, 1, "R200_PP_CUBIC_FACES_3" }, + { R200_PP_CUBIC_OFFSET_F1_3, 5, "R200_PP_CUBIC_OFFSET_F1_3" }, + { R200_PP_CUBIC_FACES_4, 1, "R200_PP_CUBIC_FACES_4" }, + { R200_PP_CUBIC_OFFSET_F1_4, 5, "R200_PP_CUBIC_OFFSET_F1_4" }, + { R200_PP_CUBIC_FACES_5, 1, "R200_PP_CUBIC_FACES_5" }, + { R200_PP_CUBIC_OFFSET_F1_5, 5, "R200_PP_CUBIC_OFFSET_F1_5" }, + { RADEON_PP_TEX_SIZE_0, 2, "RADEON_PP_TEX_SIZE_0" }, + { RADEON_PP_TEX_SIZE_1, 2, "RADEON_PP_TEX_SIZE_1" }, + { RADEON_PP_TEX_SIZE_2, 2, "RADEON_PP_TEX_SIZE_2" }, + { R200_RB3D_BLENDCOLOR, 3, "R200_RB3D_BLENDCOLOR" }, + { R200_SE_TCL_POINT_SPRITE_CNTL, 1, "R200_SE_TCL_POINT_SPRITE_CNTL" }, + { RADEON_PP_CUBIC_FACES_0, 1, "RADEON_PP_CUBIC_FACES_0"}, + { RADEON_PP_CUBIC_OFFSET_T0_0, 5, "RADEON_PP_CUBIC_OFFSET_T0_0"}, + { RADEON_PP_CUBIC_FACES_1, 1, "RADEON_PP_CUBIC_FACES_1"}, + { RADEON_PP_CUBIC_OFFSET_T1_0, 5, "RADEON_PP_CUBIC_OFFSET_T1_0"}, + { RADEON_PP_CUBIC_FACES_2, 1, "RADEON_PP_CUBIC_FACES_2"}, + { RADEON_PP_CUBIC_OFFSET_T2_0, 5, "RADEON_PP_CUBIC_OFFSET_T2_0"}, + { R200_PP_TRI_PERF, 2, "R200_PP_TRI_PERF"}, +}; + + + +/* ================================================================ + * Performance monitoring functions + */ + +static void radeon_clear_box( drm_radeon_private_t *dev_priv, + int x, int y, int w, int h, + int r, int g, int b ) +{ + u32 color; + RING_LOCALS; + + x += dev_priv->sarea_priv->boxes[0].x1; + y += dev_priv->sarea_priv->boxes[0].y1; + + switch ( dev_priv->color_fmt ) { + case RADEON_COLOR_FORMAT_RGB565: + color = (((r & 0xf8) << 8) | + ((g & 0xfc) << 3) | + ((b & 0xf8) >> 3)); + break; + case RADEON_COLOR_FORMAT_ARGB8888: + default: + color = (((0xff) << 24) | (r << 16) | (g << 8) | b); + break; + } + + BEGIN_RING( 4 ); + RADEON_WAIT_UNTIL_3D_IDLE(); + OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) ); + OUT_RING( 0xffffffff ); + ADVANCE_RING(); + + BEGIN_RING( 6 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_P | + RADEON_GMC_CLR_CMP_CNTL_DIS ); + + if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { + OUT_RING( dev_priv->front_pitch_offset ); + } else { + OUT_RING( dev_priv->back_pitch_offset ); + } + + OUT_RING( color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); +} + +static void radeon_cp_performance_boxes( drm_radeon_private_t *dev_priv ) +{ + /* Collapse various things into a wait flag -- trying to + * guess if userspase slept -- better just to have them tell us. + */ + if (dev_priv->stats.last_frame_reads > 1 || + dev_priv->stats.last_clear_reads > dev_priv->stats.clears) { + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + } + + if (dev_priv->stats.freelist_loops) { + dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE; + } + + /* Purple box for page flipping + */ + if ( dev_priv->stats.boxes & RADEON_BOX_FLIP ) + radeon_clear_box( dev_priv, 4, 4, 8, 8, 255, 0, 255 ); + + /* Red box if we have to wait for idle at any point + */ + if ( dev_priv->stats.boxes & RADEON_BOX_WAIT_IDLE ) + radeon_clear_box( dev_priv, 16, 4, 8, 8, 255, 0, 0 ); + + /* Blue box: lost context? + */ + + /* Yellow box for texture swaps + */ + if ( dev_priv->stats.boxes & RADEON_BOX_TEXTURE_LOAD ) + radeon_clear_box( dev_priv, 40, 4, 8, 8, 255, 255, 0 ); + + /* Green box if hardware never idles (as far as we can tell) + */ + if ( !(dev_priv->stats.boxes & RADEON_BOX_DMA_IDLE) ) + radeon_clear_box( dev_priv, 64, 4, 8, 8, 0, 255, 0 ); + + + /* Draw bars indicating number of buffers allocated + * (not a great measure, easily confused) + */ + if (dev_priv->stats.requested_bufs) { + if (dev_priv->stats.requested_bufs > 100) + dev_priv->stats.requested_bufs = 100; + + radeon_clear_box( dev_priv, 4, 16, + dev_priv->stats.requested_bufs, 4, + 196, 128, 128 ); + } + + memset( &dev_priv->stats, 0, sizeof(dev_priv->stats) ); + +} +/* ================================================================ + * CP command dispatch functions + */ + +static void radeon_cp_dispatch_clear( drm_device_t *dev, + drm_radeon_clear_t *clear, + drm_radeon_clear_rect_t *depth_boxes ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_radeon_depth_clear_t *depth_clear = &dev_priv->depth_clear; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + unsigned int flags = clear->flags; + u32 rb3d_cntl = 0, rb3d_stencilrefmask= 0; + int i; + RING_LOCALS; + DRM_DEBUG( "flags = 0x%x\n", flags ); + + dev_priv->stats.clears++; + + if ( dev_priv->page_flipping && dev_priv->current_page == 1 ) { + unsigned int tmp = flags; + + flags &= ~(RADEON_FRONT | RADEON_BACK); + if ( tmp & RADEON_FRONT ) flags |= RADEON_BACK; + if ( tmp & RADEON_BACK ) flags |= RADEON_FRONT; + } + + if ( flags & (RADEON_FRONT | RADEON_BACK) ) { + + BEGIN_RING( 4 ); + + /* Ensure the 3D stream is idle before doing a + * 2D fill to clear the front or back buffer. + */ + RADEON_WAIT_UNTIL_3D_IDLE(); + + OUT_RING( CP_PACKET0( RADEON_DP_WRITE_MASK, 0 ) ); + OUT_RING( clear->color_mask ); + + ADVANCE_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->ctx_owner = 0; + + for ( i = 0 ; i < nbox ; i++ ) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG( "dispatch clear %d,%d-%d,%d flags 0x%x\n", + x, y, w, h, flags ); + + if ( flags & RADEON_FRONT ) { + BEGIN_RING( 6 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_P | + RADEON_GMC_CLR_CMP_CNTL_DIS ); + + OUT_RING( dev_priv->front_pitch_offset ); + OUT_RING( clear->clear_color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + if ( flags & RADEON_BACK ) { + BEGIN_RING( 6 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_PAINT_MULTI, 4 ) ); + OUT_RING( RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_SOLID_COLOR | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_P | + RADEON_GMC_CLR_CMP_CNTL_DIS ); + + OUT_RING( dev_priv->back_pitch_offset ); + OUT_RING( clear->clear_color ); + + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + } + } + + /* hyper z clear */ + /* no docs available, based on reverse engeneering by Stephane Marchesin */ + if ((flags & (RADEON_DEPTH | RADEON_STENCIL)) && (flags & RADEON_CLEAR_FASTZ)) { + + int i; + int depthpixperline = dev_priv->depth_fmt==RADEON_DEPTH_FORMAT_16BIT_INT_Z? + (dev_priv->depth_pitch / 2): (dev_priv->depth_pitch / 4); + + u32 clearmask; + + u32 tempRB3D_DEPTHCLEARVALUE = clear->clear_depth | + ((clear->depth_mask & 0xff) << 24); + + + /* Make sure we restore the 3D state next time. + * we haven't touched any "normal" state - still need this? + */ + dev_priv->sarea_priv->ctx_owner = 0; + + if ((dev_priv->flags & CHIP_HAS_HIERZ) && (flags & RADEON_USE_HIERZ)) { + /* FIXME : reverse engineer that for Rx00 cards */ + /* FIXME : the mask supposedly contains low-res z values. So can't set + just to the max (0xff? or actually 0x3fff?), need to take z clear + value into account? */ + /* pattern seems to work for r100, though get slight + rendering errors with glxgears. If hierz is not enabled for r100, + only 4 bits which indicate clear (15,16,31,32, all zero) matter, the + other ones are ignored, and the same clear mask can be used. That's + very different behaviour than R200 which needs different clear mask + and different number of tiles to clear if hierz is enabled or not !?! + */ + clearmask = (0xff<<22)|(0xff<<6)| 0x003f003f; + } + else { + /* clear mask : chooses the clearing pattern. + rv250: could be used to clear only parts of macrotiles + (but that would get really complicated...)? + bit 0 and 1 (either or both of them ?!?!) are used to + not clear tile (or maybe one of the bits indicates if the tile is + compressed or not), bit 2 and 3 to not clear tile 1,...,. + Pattern is as follows: + | 0,1 | 4,5 | 8,9 |12,13|16,17|20,21|24,25|28,29| + bits ------------------------------------------------- + | 2,3 | 6,7 |10,11|14,15|18,19|22,23|26,27|30,31| + rv100: clearmask covers 2x8 4x1 tiles, but one clear still + covers 256 pixels ?!? + */ + clearmask = 0x0; + } + + BEGIN_RING( 8 ); + RADEON_WAIT_UNTIL_2D_IDLE(); + OUT_RING_REG( RADEON_RB3D_DEPTHCLEARVALUE, + tempRB3D_DEPTHCLEARVALUE); + /* what offset is this exactly ? */ + OUT_RING_REG( RADEON_RB3D_ZMASKOFFSET, 0 ); + /* need ctlstat, otherwise get some strange black flickering */ + OUT_RING_REG( RADEON_RB3D_ZCACHE_CTLSTAT, RADEON_RB3D_ZC_FLUSH_ALL ); + ADVANCE_RING(); + + for (i = 0; i < nbox; i++) { + int tileoffset, nrtilesx, nrtilesy, j; + /* it looks like r200 needs rv-style clears, at least if hierz is not enabled? */ + if ((dev_priv->flags&CHIP_HAS_HIERZ) && !(dev_priv->microcode_version==UCODE_R200)) { + /* FIXME : figure this out for r200 (when hierz is enabled). Or + maybe r200 actually doesn't need to put the low-res z value into + the tile cache like r100, but just needs to clear the hi-level z-buffer? + Works for R100, both with hierz and without. + R100 seems to operate on 2x1 8x8 tiles, but... + odd: offset/nrtiles need to be 64 pix (4 block) aligned? Potentially + problematic with resolutions which are not 64 pix aligned? */ + tileoffset = ((pbox[i].y1 >> 3) * depthpixperline + pbox[i].x1) >> 6; + nrtilesx = ((pbox[i].x2 & ~63) - (pbox[i].x1 & ~63)) >> 4; + nrtilesy = (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3); + for (j = 0; j <= nrtilesy; j++) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) ); + /* first tile */ + OUT_RING( tileoffset * 8 ); + /* the number of tiles to clear */ + OUT_RING( nrtilesx + 4 ); + /* clear mask : chooses the clearing pattern. */ + OUT_RING( clearmask ); + ADVANCE_RING(); + tileoffset += depthpixperline >> 6; + } + } + else if (dev_priv->microcode_version==UCODE_R200) { + /* works for rv250. */ + /* find first macro tile (8x2 4x4 z-pixels on rv250) */ + tileoffset = ((pbox[i].y1 >> 3) * depthpixperline + pbox[i].x1) >> 5; + nrtilesx = (pbox[i].x2 >> 5) - (pbox[i].x1 >> 5); + nrtilesy = (pbox[i].y2 >> 3) - (pbox[i].y1 >> 3); + for (j = 0; j <= nrtilesy; j++) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) ); + /* first tile */ + /* judging by the first tile offset needed, could possibly + directly address/clear 4x4 tiles instead of 8x2 * 4x4 + macro tiles, though would still need clear mask for + right/bottom if truely 4x4 granularity is desired ? */ + OUT_RING( tileoffset * 16 ); + /* the number of tiles to clear */ + OUT_RING( nrtilesx + 1 ); + /* clear mask : chooses the clearing pattern. */ + OUT_RING( clearmask ); + ADVANCE_RING(); + tileoffset += depthpixperline >> 5; + } + } + else { /* rv 100 */ + /* rv100 might not need 64 pix alignment, who knows */ + /* offsets are, hmm, weird */ + tileoffset = ((pbox[i].y1 >> 4) * depthpixperline + pbox[i].x1) >> 6; + nrtilesx = ((pbox[i].x2 & ~63) - (pbox[i].x1 & ~63)) >> 4; + nrtilesy = (pbox[i].y2 >> 4) - (pbox[i].y1 >> 4); + for (j = 0; j <= nrtilesy; j++) { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_ZMASK, 2 ) ); + OUT_RING( tileoffset * 128 ); + /* the number of tiles to clear */ + OUT_RING( nrtilesx + 4 ); + /* clear mask : chooses the clearing pattern. */ + OUT_RING( clearmask ); + ADVANCE_RING(); + tileoffset += depthpixperline >> 6; + } + } + } + + /* TODO don't always clear all hi-level z tiles */ + if ((dev_priv->flags & CHIP_HAS_HIERZ) && (dev_priv->microcode_version==UCODE_R200) + && (flags & RADEON_USE_HIERZ)) + /* r100 and cards without hierarchical z-buffer have no high-level z-buffer */ + /* FIXME : the mask supposedly contains low-res z values. So can't set + just to the max (0xff? or actually 0x3fff?), need to take z clear + value into account? */ + { + BEGIN_RING( 4 ); + OUT_RING( CP_PACKET3( RADEON_3D_CLEAR_HIZ, 2 ) ); + OUT_RING( 0x0 ); /* First tile */ + OUT_RING( 0x3cc0 ); + OUT_RING( (0xff<<22)|(0xff<<6)| 0x003f003f); + ADVANCE_RING(); + } + } + + /* We have to clear the depth and/or stencil buffers by + * rendering a quad into just those buffers. Thus, we have to + * make sure the 3D engine is configured correctly. + */ + if ((dev_priv->microcode_version == UCODE_R200) && + (flags & (RADEON_DEPTH | RADEON_STENCIL))) { + + int tempPP_CNTL; + int tempRE_CNTL; + int tempRB3D_CNTL; + int tempRB3D_ZSTENCILCNTL; + int tempRB3D_STENCILREFMASK; + int tempRB3D_PLANEMASK; + int tempSE_CNTL; + int tempSE_VTE_CNTL; + int tempSE_VTX_FMT_0; + int tempSE_VTX_FMT_1; + int tempSE_VAP_CNTL; + int tempRE_AUX_SCISSOR_CNTL; + + tempPP_CNTL = 0; + tempRE_CNTL = 0; + + tempRB3D_CNTL = depth_clear->rb3d_cntl; + + tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl; + tempRB3D_STENCILREFMASK = 0x0; + + tempSE_CNTL = depth_clear->se_cntl; + + + + /* Disable TCL */ + + tempSE_VAP_CNTL = (/* SE_VAP_CNTL__FORCE_W_TO_ONE_MASK | */ + (0x9 << SE_VAP_CNTL__VF_MAX_VTX_NUM__SHIFT)); + + tempRB3D_PLANEMASK = 0x0; + + tempRE_AUX_SCISSOR_CNTL = 0x0; + + tempSE_VTE_CNTL = + SE_VTE_CNTL__VTX_XY_FMT_MASK | + SE_VTE_CNTL__VTX_Z_FMT_MASK; + + /* Vertex format (X, Y, Z, W)*/ + tempSE_VTX_FMT_0 = + SE_VTX_FMT_0__VTX_Z0_PRESENT_MASK | + SE_VTX_FMT_0__VTX_W0_PRESENT_MASK; + tempSE_VTX_FMT_1 = 0x0; + + + /* + * Depth buffer specific enables + */ + if (flags & RADEON_DEPTH) { + /* Enable depth buffer */ + tempRB3D_CNTL |= RADEON_Z_ENABLE; + } else { + /* Disable depth buffer */ + tempRB3D_CNTL &= ~RADEON_Z_ENABLE; + } + + /* + * Stencil buffer specific enables + */ + if ( flags & RADEON_STENCIL ) { + tempRB3D_CNTL |= RADEON_STENCIL_ENABLE; + tempRB3D_STENCILREFMASK = clear->depth_mask; + } else { + tempRB3D_CNTL &= ~RADEON_STENCIL_ENABLE; + tempRB3D_STENCILREFMASK = 0x00000000; + } + + if (flags & RADEON_USE_COMP_ZBUF) { + tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE | + RADEON_Z_DECOMPRESSION_ENABLE; + } + if (flags & RADEON_USE_HIERZ) { + tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE; + } + + BEGIN_RING( 26 ); + RADEON_WAIT_UNTIL_2D_IDLE(); + + OUT_RING_REG( RADEON_PP_CNTL, tempPP_CNTL ); + OUT_RING_REG( R200_RE_CNTL, tempRE_CNTL ); + OUT_RING_REG( RADEON_RB3D_CNTL, tempRB3D_CNTL ); + OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL, + tempRB3D_ZSTENCILCNTL ); + OUT_RING_REG( RADEON_RB3D_STENCILREFMASK, + tempRB3D_STENCILREFMASK ); + OUT_RING_REG( RADEON_RB3D_PLANEMASK, tempRB3D_PLANEMASK ); + OUT_RING_REG( RADEON_SE_CNTL, tempSE_CNTL ); + OUT_RING_REG( R200_SE_VTE_CNTL, tempSE_VTE_CNTL ); + OUT_RING_REG( R200_SE_VTX_FMT_0, tempSE_VTX_FMT_0 ); + OUT_RING_REG( R200_SE_VTX_FMT_1, tempSE_VTX_FMT_1 ); + OUT_RING_REG( R200_SE_VAP_CNTL, tempSE_VAP_CNTL ); + OUT_RING_REG( R200_RE_AUX_SCISSOR_CNTL, + tempRE_AUX_SCISSOR_CNTL ); + ADVANCE_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->ctx_owner = 0; + + for ( i = 0 ; i < nbox ; i++ ) { + + /* Funny that this should be required -- + * sets top-left? + */ + radeon_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + + BEGIN_RING( 14 ); + OUT_RING( CP_PACKET3( R200_3D_DRAW_IMMD_2, 12 ) ); + OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST | + RADEON_PRIM_WALK_RING | + (3 << RADEON_NUM_VERTICES_SHIFT)) ); + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x3f800000 ); + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x3f800000 ); + OUT_RING( depth_boxes[i].ui[CLEAR_X2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x3f800000 ); + ADVANCE_RING(); + } + } + else if ( (flags & (RADEON_DEPTH | RADEON_STENCIL)) ) { + + int tempRB3D_ZSTENCILCNTL = depth_clear->rb3d_zstencilcntl; + + rb3d_cntl = depth_clear->rb3d_cntl; + + if ( flags & RADEON_DEPTH ) { + rb3d_cntl |= RADEON_Z_ENABLE; + } else { + rb3d_cntl &= ~RADEON_Z_ENABLE; + } + + if ( flags & RADEON_STENCIL ) { + rb3d_cntl |= RADEON_STENCIL_ENABLE; + rb3d_stencilrefmask = clear->depth_mask; /* misnamed field */ + } else { + rb3d_cntl &= ~RADEON_STENCIL_ENABLE; + rb3d_stencilrefmask = 0x00000000; + } + + if (flags & RADEON_USE_COMP_ZBUF) { + tempRB3D_ZSTENCILCNTL |= RADEON_Z_COMPRESSION_ENABLE | + RADEON_Z_DECOMPRESSION_ENABLE; + } + if (flags & RADEON_USE_HIERZ) { + tempRB3D_ZSTENCILCNTL |= RADEON_Z_HIERARCHY_ENABLE; + } + + BEGIN_RING( 13 ); + RADEON_WAIT_UNTIL_2D_IDLE(); + + OUT_RING( CP_PACKET0( RADEON_PP_CNTL, 1 ) ); + OUT_RING( 0x00000000 ); + OUT_RING( rb3d_cntl ); + + OUT_RING_REG( RADEON_RB3D_ZSTENCILCNTL, tempRB3D_ZSTENCILCNTL ); + OUT_RING_REG( RADEON_RB3D_STENCILREFMASK, + rb3d_stencilrefmask ); + OUT_RING_REG( RADEON_RB3D_PLANEMASK, + 0x00000000 ); + OUT_RING_REG( RADEON_SE_CNTL, + depth_clear->se_cntl ); + ADVANCE_RING(); + + /* Make sure we restore the 3D state next time. + */ + dev_priv->sarea_priv->ctx_owner = 0; + + for ( i = 0 ; i < nbox ; i++ ) { + + /* Funny that this should be required -- + * sets top-left? + */ + radeon_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + + BEGIN_RING( 15 ); + + OUT_RING( CP_PACKET3( RADEON_3D_DRAW_IMMD, 13 ) ); + OUT_RING( RADEON_VTX_Z_PRESENT | + RADEON_VTX_PKCOLOR_PRESENT); + OUT_RING( (RADEON_PRIM_TYPE_RECT_LIST | + RADEON_PRIM_WALK_RING | + RADEON_MAOS_ENABLE | + RADEON_VTX_FMT_RADEON_MODE | + (3 << RADEON_NUM_VERTICES_SHIFT)) ); + + + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x0 ); + + OUT_RING( depth_boxes[i].ui[CLEAR_X1] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x0 ); + + OUT_RING( depth_boxes[i].ui[CLEAR_X2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_Y2] ); + OUT_RING( depth_boxes[i].ui[CLEAR_DEPTH] ); + OUT_RING( 0x0 ); + + ADVANCE_RING(); + } + } + + /* Increment the clear counter. The client-side 3D driver must + * wait on this value before performing the clear ioctl. We + * need this because the card's so damned fast... + */ + dev_priv->sarea_priv->last_clear++; + + BEGIN_RING( 4 ); + + RADEON_CLEAR_AGE( dev_priv->sarea_priv->last_clear ); + RADEON_WAIT_UNTIL_IDLE(); + + ADVANCE_RING(); +} + +static void radeon_cp_dispatch_swap( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + int nbox = sarea_priv->nbox; + drm_clip_rect_t *pbox = sarea_priv->boxes; + int i; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + /* Do some trivial performance monitoring... + */ + if (dev_priv->do_boxes) + radeon_cp_performance_boxes( dev_priv ); + + + /* Wait for the 3D stream to idle before dispatching the bitblt. + * This will prevent data corruption between the two streams. + */ + BEGIN_RING( 2 ); + + RADEON_WAIT_UNTIL_3D_IDLE(); + + ADVANCE_RING(); + + for ( i = 0 ; i < nbox ; i++ ) { + int x = pbox[i].x1; + int y = pbox[i].y1; + int w = pbox[i].x2 - x; + int h = pbox[i].y2 - y; + + DRM_DEBUG( "dispatch swap %d,%d-%d,%d\n", + x, y, w, h ); + + BEGIN_RING( 7 ); + + OUT_RING( CP_PACKET3( RADEON_CNTL_BITBLT_MULTI, 5 ) ); + OUT_RING( RADEON_GMC_SRC_PITCH_OFFSET_CNTL | + RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_NONE | + (dev_priv->color_fmt << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_S | + RADEON_DP_SRC_SOURCE_MEMORY | + RADEON_GMC_CLR_CMP_CNTL_DIS | + RADEON_GMC_WR_MSK_DIS ); + + /* Make this work even if front & back are flipped: + */ + if (dev_priv->current_page == 0) { + OUT_RING( dev_priv->back_pitch_offset ); + OUT_RING( dev_priv->front_pitch_offset ); + } + else { + OUT_RING( dev_priv->front_pitch_offset ); + OUT_RING( dev_priv->back_pitch_offset ); + } + + OUT_RING( (x << 16) | y ); + OUT_RING( (x << 16) | y ); + OUT_RING( (w << 16) | h ); + + ADVANCE_RING(); + } + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + + BEGIN_RING( 4 ); + + RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame ); + RADEON_WAIT_UNTIL_2D_IDLE(); + + ADVANCE_RING(); +} + +static void radeon_cp_dispatch_flip( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_sarea_t *sarea = (drm_sarea_t *)dev_priv->sarea->handle; + int offset = (dev_priv->current_page == 1) + ? dev_priv->front_offset : dev_priv->back_offset; + RING_LOCALS; + DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n", + __FUNCTION__, + dev_priv->current_page, + dev_priv->sarea_priv->pfCurrentPage); + + /* Do some trivial performance monitoring... + */ + if (dev_priv->do_boxes) { + dev_priv->stats.boxes |= RADEON_BOX_FLIP; + radeon_cp_performance_boxes( dev_priv ); + } + + /* Update the frame offsets for both CRTCs + */ + BEGIN_RING( 6 ); + + RADEON_WAIT_UNTIL_3D_IDLE(); + OUT_RING_REG( RADEON_CRTC_OFFSET, ( ( sarea->frame.y * dev_priv->front_pitch + + sarea->frame.x + * ( dev_priv->color_fmt - 2 ) ) & ~7 ) + + offset ); + OUT_RING_REG( RADEON_CRTC2_OFFSET, dev_priv->sarea_priv->crtc2_base + + offset ); + + ADVANCE_RING(); + + /* Increment the frame counter. The client-side 3D driver must + * throttle the framerate by waiting for this value before + * performing the swapbuffer ioctl. + */ + dev_priv->sarea_priv->last_frame++; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page = + 1 - dev_priv->current_page; + + BEGIN_RING( 2 ); + + RADEON_FRAME_AGE( dev_priv->sarea_priv->last_frame ); + + ADVANCE_RING(); +} + +static int bad_prim_vertex_nr( int primitive, int nr ) +{ + switch (primitive & RADEON_PRIM_TYPE_MASK) { + case RADEON_PRIM_TYPE_NONE: + case RADEON_PRIM_TYPE_POINT: + return nr < 1; + case RADEON_PRIM_TYPE_LINE: + return (nr & 1) || nr == 0; + case RADEON_PRIM_TYPE_LINE_STRIP: + return nr < 2; + case RADEON_PRIM_TYPE_TRI_LIST: + case RADEON_PRIM_TYPE_3VRT_POINT_LIST: + case RADEON_PRIM_TYPE_3VRT_LINE_LIST: + case RADEON_PRIM_TYPE_RECT_LIST: + return nr % 3 || nr == 0; + case RADEON_PRIM_TYPE_TRI_FAN: + case RADEON_PRIM_TYPE_TRI_STRIP: + return nr < 3; + default: + return 1; + } +} + + + +typedef struct { + unsigned int start; + unsigned int finish; + unsigned int prim; + unsigned int numverts; + unsigned int offset; + unsigned int vc_format; +} drm_radeon_tcl_prim_t; + +static void radeon_cp_dispatch_vertex( drm_device_t *dev, + drm_buf_t *buf, + drm_radeon_tcl_prim_t *prim ) + +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + int offset = dev_priv->gart_buffers_offset + buf->offset + prim->start; + int numverts = (int)prim->numverts; + int nbox = sarea_priv->nbox; + int i = 0; + RING_LOCALS; + + DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d %d verts\n", + prim->prim, + prim->vc_format, + prim->start, + prim->finish, + prim->numverts); + + if (bad_prim_vertex_nr( prim->prim, prim->numverts )) { + DRM_ERROR( "bad prim %x numverts %d\n", + prim->prim, prim->numverts ); + return; + } + + do { + /* Emit the next cliprect */ + if ( i < nbox ) { + radeon_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + } + + /* Emit the vertex buffer rendering commands */ + BEGIN_RING( 5 ); + + OUT_RING( CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, 3 ) ); + OUT_RING( offset ); + OUT_RING( numverts ); + OUT_RING( prim->vc_format ); + OUT_RING( prim->prim | RADEON_PRIM_WALK_LIST | + RADEON_COLOR_ORDER_RGBA | + RADEON_VTX_FMT_RADEON_MODE | + (numverts << RADEON_NUM_VERTICES_SHIFT) ); + + ADVANCE_RING(); + + i++; + } while ( i < nbox ); +} + + + +static void radeon_cp_discard_buffer( drm_device_t *dev, drm_buf_t *buf ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_buf_priv_t *buf_priv = buf->dev_private; + RING_LOCALS; + + buf_priv->age = ++dev_priv->sarea_priv->last_dispatch; + + /* Emit the vertex buffer age */ + BEGIN_RING( 2 ); + RADEON_DISPATCH_AGE( buf_priv->age ); + ADVANCE_RING(); + + buf->pending = 1; + buf->used = 0; +} + +static void radeon_cp_dispatch_indirect( drm_device_t *dev, + drm_buf_t *buf, + int start, int end ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + DRM_DEBUG( "indirect: buf=%d s=0x%x e=0x%x\n", + buf->idx, start, end ); + + if ( start != end ) { + int offset = (dev_priv->gart_buffers_offset + + buf->offset + start); + int dwords = (end - start + 3) / sizeof(u32); + + /* Indirect buffer data must be an even number of + * dwords, so if we've been given an odd number we must + * pad the data with a Type-2 CP packet. + */ + if ( dwords & 1 ) { + u32 *data = (u32 *) + ((char *)dev->agp_buffer_map->handle + + buf->offset + start); + data[dwords++] = RADEON_CP_PACKET2; + } + + /* Fire off the indirect buffer */ + BEGIN_RING( 3 ); + + OUT_RING( CP_PACKET0( RADEON_CP_IB_BASE, 1 ) ); + OUT_RING( offset ); + OUT_RING( dwords ); + + ADVANCE_RING(); + } +} + + +static void radeon_cp_dispatch_indices( drm_device_t *dev, + drm_buf_t *elt_buf, + drm_radeon_tcl_prim_t *prim ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + int offset = dev_priv->gart_buffers_offset + prim->offset; + u32 *data; + int dwords; + int i = 0; + int start = prim->start + RADEON_INDEX_PRIM_OFFSET; + int count = (prim->finish - start) / sizeof(u16); + int nbox = sarea_priv->nbox; + + DRM_DEBUG("hwprim 0x%x vfmt 0x%x %d..%d offset: %x nr %d\n", + prim->prim, + prim->vc_format, + prim->start, + prim->finish, + prim->offset, + prim->numverts); + + if (bad_prim_vertex_nr( prim->prim, count )) { + DRM_ERROR( "bad prim %x count %d\n", + prim->prim, count ); + return; + } + + + if ( start >= prim->finish || + (prim->start & 0x7) ) { + DRM_ERROR( "buffer prim %d\n", prim->prim ); + return; + } + + dwords = (prim->finish - prim->start + 3) / sizeof(u32); + + data = (u32 *)((char *)dev->agp_buffer_map->handle + + elt_buf->offset + prim->start); + + data[0] = CP_PACKET3( RADEON_3D_RNDR_GEN_INDX_PRIM, dwords-2 ); + data[1] = offset; + data[2] = prim->numverts; + data[3] = prim->vc_format; + data[4] = (prim->prim | + RADEON_PRIM_WALK_IND | + RADEON_COLOR_ORDER_RGBA | + RADEON_VTX_FMT_RADEON_MODE | + (count << RADEON_NUM_VERTICES_SHIFT) ); + + do { + if ( i < nbox ) + radeon_emit_clip_rect( dev_priv, + &sarea_priv->boxes[i] ); + + radeon_cp_dispatch_indirect( dev, elt_buf, + prim->start, + prim->finish ); + + i++; + } while ( i < nbox ); + +} + +#define RADEON_MAX_TEXTURE_SIZE (RADEON_BUFFER_SIZE - 8 * sizeof(u32)) + +static int radeon_cp_dispatch_texture( DRMFILE filp, + drm_device_t *dev, + drm_radeon_texture_t *tex, + drm_radeon_tex_image_t *image ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_file_t *filp_priv; + drm_buf_t *buf; + u32 format; + u32 *buffer; + const u8 __user *data; + int size, dwords, tex_width, blit_width; + u32 height; + int i; + u32 texpitch, microtile; + RING_LOCALS; + + DRM_GET_PRIV_WITH_RETURN( filp_priv, filp ); + + if ( radeon_check_and_fixup_offset( dev_priv, filp_priv, &tex->offset ) ) { + DRM_ERROR( "Invalid destination offset\n" ); + return DRM_ERR( EINVAL ); + } + + dev_priv->stats.boxes |= RADEON_BOX_TEXTURE_LOAD; + + /* Flush the pixel cache. This ensures no pixel data gets mixed + * up with the texture data from the host data blit, otherwise + * part of the texture image may be corrupted. + */ + BEGIN_RING( 4 ); + RADEON_FLUSH_CACHE(); + RADEON_WAIT_UNTIL_IDLE(); + ADVANCE_RING(); + +#ifdef __BIG_ENDIAN + /* The Mesa texture functions provide the data in little endian as the + * chip wants it, but we need to compensate for the fact that the CP + * ring gets byte-swapped + */ + BEGIN_RING( 2 ); + OUT_RING_REG( RADEON_RBBM_GUICNTL, RADEON_HOST_DATA_SWAP_32BIT ); + ADVANCE_RING(); +#endif + + + /* The compiler won't optimize away a division by a variable, + * even if the only legal values are powers of two. Thus, we'll + * use a shift instead. + */ + switch ( tex->format ) { + case RADEON_TXFORMAT_ARGB8888: + case RADEON_TXFORMAT_RGBA8888: + format = RADEON_COLOR_FORMAT_ARGB8888; + tex_width = tex->width * 4; + blit_width = image->width * 4; + break; + case RADEON_TXFORMAT_AI88: + case RADEON_TXFORMAT_ARGB1555: + case RADEON_TXFORMAT_RGB565: + case RADEON_TXFORMAT_ARGB4444: + case RADEON_TXFORMAT_VYUY422: + case RADEON_TXFORMAT_YVYU422: + format = RADEON_COLOR_FORMAT_RGB565; + tex_width = tex->width * 2; + blit_width = image->width * 2; + break; + case RADEON_TXFORMAT_I8: + case RADEON_TXFORMAT_RGB332: + format = RADEON_COLOR_FORMAT_CI8; + tex_width = tex->width * 1; + blit_width = image->width * 1; + break; + default: + DRM_ERROR( "invalid texture format %d\n", tex->format ); + return DRM_ERR(EINVAL); + } + texpitch = tex->pitch; + if ((texpitch << 22) & RADEON_DST_TILE_MICRO) { + microtile = 1; + if (tex_width < 64) { + texpitch &= ~(RADEON_DST_TILE_MICRO >> 22); + /* we got tiled coordinates, untile them */ + image->x *= 2; + } + } + else microtile = 0; + + DRM_DEBUG("tex=%dx%d blit=%d\n", tex_width, tex->height, blit_width ); + + do { + DRM_DEBUG( "tex: ofs=0x%x p=%d f=%d x=%hd y=%hd w=%hd h=%hd\n", + tex->offset >> 10, tex->pitch, tex->format, + image->x, image->y, image->width, image->height ); + + /* Make a copy of some parameters in case we have to + * update them for a multi-pass texture blit. + */ + height = image->height; + data = (const u8 __user *)image->data; + + size = height * blit_width; + + if ( size > RADEON_MAX_TEXTURE_SIZE ) { + height = RADEON_MAX_TEXTURE_SIZE / blit_width; + size = height * blit_width; + } else if ( size < 4 && size > 0 ) { + size = 4; + } else if ( size == 0 ) { + return 0; + } + + buf = radeon_freelist_get( dev ); + if ( 0 && !buf ) { + radeon_do_cp_idle( dev_priv ); + buf = radeon_freelist_get( dev ); + } + if ( !buf ) { + DRM_DEBUG("radeon_cp_dispatch_texture: EAGAIN\n"); + if (DRM_COPY_TO_USER( tex->image, image, sizeof(*image) )) + return DRM_ERR(EFAULT); + return DRM_ERR(EAGAIN); + } + + + /* Dispatch the indirect buffer. + */ + buffer = (u32*)((char*)dev->agp_buffer_map->handle + buf->offset); + dwords = size / 4; + buffer[0] = CP_PACKET3( RADEON_CNTL_HOSTDATA_BLT, dwords + 6 ); + buffer[1] = (RADEON_GMC_DST_PITCH_OFFSET_CNTL | + RADEON_GMC_BRUSH_NONE | + (format << 8) | + RADEON_GMC_SRC_DATATYPE_COLOR | + RADEON_ROP3_S | + RADEON_DP_SRC_SOURCE_HOST_DATA | + RADEON_GMC_CLR_CMP_CNTL_DIS | + RADEON_GMC_WR_MSK_DIS); + + buffer[2] = (texpitch << 22) | (tex->offset >> 10); + buffer[3] = 0xffffffff; + buffer[4] = 0xffffffff; + buffer[5] = (image->y << 16) | image->x; + buffer[6] = (height << 16) | image->width; + buffer[7] = dwords; + buffer += 8; + + + + if (microtile) { + /* texture micro tiling in use, minimum texture width is thus 16 bytes. + however, we cannot use blitter directly for texture width < 64 bytes, + since minimum tex pitch is 64 bytes and we need this to match + the texture width, otherwise the blitter will tile it wrong. + Thus, tiling manually in this case. Additionally, need to special + case tex height = 1, since our actual image will have height 2 + and we need to ensure we don't read beyond the texture size + from user space. */ + if (tex->height == 1) { + if (tex_width >= 64 || tex_width <= 16) { + if (DRM_COPY_FROM_USER(buffer, data, + tex_width * sizeof(u32))) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + } else if (tex_width == 32) { + if (DRM_COPY_FROM_USER(buffer, data, 16)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + if (DRM_COPY_FROM_USER(buffer + 8, data + 16, 16)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + } + } else if (tex_width >= 64 || tex_width == 16) { + if (DRM_COPY_FROM_USER(buffer, data, + dwords * sizeof(u32))) { + DRM_ERROR("EFAULT on data, %d dwords\n", + dwords); + return DRM_ERR(EFAULT); + } + } else if (tex_width < 16) { + for (i = 0; i < tex->height; i++) { + if (DRM_COPY_FROM_USER(buffer, data, tex_width)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + buffer += 4; + data += tex_width; + } + } else if (tex_width == 32) { + /* TODO: make sure this works when not fitting in one buffer + (i.e. 32bytes x 2048...) */ + for (i = 0; i < tex->height; i += 2) { + if (DRM_COPY_FROM_USER(buffer, data, 16)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + data += 16; + if (DRM_COPY_FROM_USER(buffer + 8, data, 16)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + data += 16; + if (DRM_COPY_FROM_USER(buffer + 4, data, 16)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + data += 16; + if (DRM_COPY_FROM_USER(buffer + 12, data, 16)) { + DRM_ERROR("EFAULT on pad, %d bytes\n", + tex_width); + return DRM_ERR(EFAULT); + } + data += 16; + buffer += 16; + } + } + } + else { + if (tex_width >= 32) { + /* Texture image width is larger than the minimum, so we + * can upload it directly. + */ + if (DRM_COPY_FROM_USER(buffer, data, + dwords * sizeof(u32))) { + DRM_ERROR("EFAULT on data, %d dwords\n", + dwords); + return DRM_ERR(EFAULT); + } + } else { + /* Texture image width is less than the minimum, so we + * need to pad out each image scanline to the minimum + * width. + */ + for (i = 0 ; i < tex->height ; i++) { + if (DRM_COPY_FROM_USER(buffer, data, tex_width )) { + DRM_ERROR("EFAULT on pad, %d bytes\n", tex_width); + return DRM_ERR(EFAULT); + } + buffer += 8; + data += tex_width; + } + } + } + + buf->filp = filp; + buf->used = (dwords + 8) * sizeof(u32); + radeon_cp_dispatch_indirect( dev, buf, 0, buf->used ); + radeon_cp_discard_buffer( dev, buf ); + + /* Update the input parameters for next time */ + image->y += height; + image->height -= height; + image->data = (const u8 __user *)image->data + size; + } while (image->height > 0); + + /* Flush the pixel cache after the blit completes. This ensures + * the texture data is written out to memory before rendering + * continues. + */ + BEGIN_RING( 4 ); + RADEON_FLUSH_CACHE(); + RADEON_WAIT_UNTIL_2D_IDLE(); + ADVANCE_RING(); + return 0; +} + + +static void radeon_cp_dispatch_stipple( drm_device_t *dev, u32 *stipple ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + int i; + RING_LOCALS; + DRM_DEBUG( "\n" ); + + BEGIN_RING( 35 ); + + OUT_RING( CP_PACKET0( RADEON_RE_STIPPLE_ADDR, 0 ) ); + OUT_RING( 0x00000000 ); + + OUT_RING( CP_PACKET0_TABLE( RADEON_RE_STIPPLE_DATA, 31 ) ); + for ( i = 0 ; i < 32 ; i++ ) { + OUT_RING( stipple[i] ); + } + + ADVANCE_RING(); +} + +static void radeon_apply_surface_regs(int surf_index, drm_radeon_private_t *dev_priv) +{ + if (!dev_priv->mmio) + return; + + radeon_do_cp_idle(dev_priv); + + RADEON_WRITE(RADEON_SURFACE0_INFO + 16*surf_index, + dev_priv->surfaces[surf_index].flags); + RADEON_WRITE(RADEON_SURFACE0_LOWER_BOUND + 16*surf_index, + dev_priv->surfaces[surf_index].lower); + RADEON_WRITE(RADEON_SURFACE0_UPPER_BOUND + 16*surf_index, + dev_priv->surfaces[surf_index].upper); +} + + +/* Allocates a virtual surface + * doesn't always allocate a real surface, will stretch an existing + * surface when possible. + * + * Note that refcount can be at most 2, since during a free refcount=3 + * might mean we have to allocate a new surface which might not always + * be available. + * For example : we allocate three contigous surfaces ABC. If B is + * freed, we suddenly need two surfaces to store A and C, which might + * not always be available. + */ +static int alloc_surface(drm_radeon_surface_alloc_t* new, drm_radeon_private_t *dev_priv, DRMFILE filp) +{ + struct radeon_virt_surface *s; + int i; + int virt_surface_index; + uint32_t new_upper, new_lower; + + new_lower = new->address; + new_upper = new_lower + new->size - 1; + + /* sanity check */ + if ((new_lower >= new_upper) || (new->flags == 0) || (new->size == 0) || + ((new_upper & RADEON_SURF_ADDRESS_FIXED_MASK) != RADEON_SURF_ADDRESS_FIXED_MASK) || + ((new_lower & RADEON_SURF_ADDRESS_FIXED_MASK) != 0)) + return -1; + + /* make sure there is no overlap with existing surfaces */ + for (i = 0; i < RADEON_MAX_SURFACES; i++) { + if ((dev_priv->surfaces[i].refcount != 0) && + (( (new_lower >= dev_priv->surfaces[i].lower) && + (new_lower < dev_priv->surfaces[i].upper) ) || + ( (new_lower < dev_priv->surfaces[i].lower) && + (new_upper > dev_priv->surfaces[i].lower) )) ){ + return -1;} + } + + /* find a virtual surface */ + for (i = 0; i < 2*RADEON_MAX_SURFACES; i++) + if (dev_priv->virt_surfaces[i].filp == 0) + break; + if (i == 2*RADEON_MAX_SURFACES) { + return -1;} + virt_surface_index = i; + + /* try to reuse an existing surface */ + for (i = 0; i < RADEON_MAX_SURFACES; i++) { + /* extend before */ + if ((dev_priv->surfaces[i].refcount == 1) && + (new->flags == dev_priv->surfaces[i].flags) && + (new_upper + 1 == dev_priv->surfaces[i].lower)) { + s = &(dev_priv->virt_surfaces[virt_surface_index]); + s->surface_index = i; + s->lower = new_lower; + s->upper = new_upper; + s->flags = new->flags; + s->filp = filp; + dev_priv->surfaces[i].refcount++; + dev_priv->surfaces[i].lower = s->lower; + radeon_apply_surface_regs(s->surface_index, dev_priv); + return virt_surface_index; + } + + /* extend after */ + if ((dev_priv->surfaces[i].refcount == 1) && + (new->flags == dev_priv->surfaces[i].flags) && + (new_lower == dev_priv->surfaces[i].upper + 1)) { + s = &(dev_priv->virt_surfaces[virt_surface_index]); + s->surface_index = i; + s->lower = new_lower; + s->upper = new_upper; + s->flags = new->flags; + s->filp = filp; + dev_priv->surfaces[i].refcount++; + dev_priv->surfaces[i].upper = s->upper; + radeon_apply_surface_regs(s->surface_index, dev_priv); + return virt_surface_index; + } + } + + /* okay, we need a new one */ + for (i = 0; i < RADEON_MAX_SURFACES; i++) { + if (dev_priv->surfaces[i].refcount == 0) { + s = &(dev_priv->virt_surfaces[virt_surface_index]); + s->surface_index = i; + s->lower = new_lower; + s->upper = new_upper; + s->flags = new->flags; + s->filp = filp; + dev_priv->surfaces[i].refcount = 1; + dev_priv->surfaces[i].lower = s->lower; + dev_priv->surfaces[i].upper = s->upper; + dev_priv->surfaces[i].flags = s->flags; + radeon_apply_surface_regs(s->surface_index, dev_priv); + return virt_surface_index; + } + } + + /* we didn't find anything */ + return -1; +} + +static int free_surface(DRMFILE filp, drm_radeon_private_t *dev_priv, int lower) +{ + struct radeon_virt_surface *s; + int i; + /* find the virtual surface */ + for(i = 0; i < 2*RADEON_MAX_SURFACES; i++) { + s = &(dev_priv->virt_surfaces[i]); + if (s->filp) { + if ((lower == s->lower) && (filp == s->filp)) { + if (dev_priv->surfaces[s->surface_index].lower == s->lower) + dev_priv->surfaces[s->surface_index].lower = s->upper; + + if (dev_priv->surfaces[s->surface_index].upper == s->upper) + dev_priv->surfaces[s->surface_index].upper = s->lower; + + dev_priv->surfaces[s->surface_index].refcount--; + if (dev_priv->surfaces[s->surface_index].refcount == 0) + dev_priv->surfaces[s->surface_index].flags = 0; + s->filp = NULL; + radeon_apply_surface_regs(s->surface_index, dev_priv); + return 0; + } + } + } + return 1; +} + +static void radeon_surfaces_release(DRMFILE filp, drm_radeon_private_t *dev_priv) +{ + int i; + for( i = 0; i < 2*RADEON_MAX_SURFACES; i++) + { + if (dev_priv->virt_surfaces[i].filp == filp) + free_surface(filp, dev_priv, dev_priv->virt_surfaces[i].lower); + } +} + +/* ================================================================ + * IOCTL functions + */ +static int radeon_surface_alloc(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_surface_alloc_t alloc; + + if (!dev_priv) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(alloc, (drm_radeon_surface_alloc_t __user *)data, + sizeof(alloc)); + + if (alloc_surface(&alloc, dev_priv, filp) == -1) + return DRM_ERR(EINVAL); + else + return 0; +} + +static int radeon_surface_free(DRM_IOCTL_ARGS) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_surface_free_t memfree; + + if (!dev_priv) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_mem_free_t __user *)data, + sizeof(memfree) ); + + if (free_surface(filp, dev_priv, memfree.address)) + return DRM_ERR(EINVAL); + else + return 0; +} + +static int radeon_cp_clear( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_radeon_clear_t clear; + drm_radeon_clear_rect_t depth_boxes[RADEON_NR_SAREA_CLIPRECTS]; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( clear, (drm_radeon_clear_t __user *)data, + sizeof(clear) ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; + + if ( DRM_COPY_FROM_USER( &depth_boxes, clear.depth_boxes, + sarea_priv->nbox * sizeof(depth_boxes[0]) ) ) + return DRM_ERR(EFAULT); + + radeon_cp_dispatch_clear( dev, &clear, depth_boxes ); + + COMMIT_RING(); + return 0; +} + + +/* Not sure why this isn't set all the time: + */ +static int radeon_do_init_pageflip( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + DRM_DEBUG( "\n" ); + + BEGIN_RING( 6 ); + RADEON_WAIT_UNTIL_3D_IDLE(); + OUT_RING( CP_PACKET0( RADEON_CRTC_OFFSET_CNTL, 0 ) ); + OUT_RING( RADEON_READ( RADEON_CRTC_OFFSET_CNTL ) | RADEON_CRTC_OFFSET_FLIP_CNTL ); + OUT_RING( CP_PACKET0( RADEON_CRTC2_OFFSET_CNTL, 0 ) ); + OUT_RING( RADEON_READ( RADEON_CRTC2_OFFSET_CNTL ) | RADEON_CRTC_OFFSET_FLIP_CNTL ); + ADVANCE_RING(); + + dev_priv->page_flipping = 1; + dev_priv->current_page = 0; + dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page; + + return 0; +} + +/* Called whenever a client dies, from drm_release. + * NOTE: Lock isn't necessarily held when this is called! + */ +static int radeon_do_cleanup_pageflip( drm_device_t *dev ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + if (dev_priv->current_page != 0) + radeon_cp_dispatch_flip( dev ); + + dev_priv->page_flipping = 0; + return 0; +} + +/* Swapping and flipping are different operations, need different ioctls. + * They can & should be intermixed to support multiple 3d windows. + */ +static int radeon_cp_flip( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if (!dev_priv->page_flipping) + radeon_do_init_pageflip( dev ); + + radeon_cp_dispatch_flip( dev ); + + COMMIT_RING(); + return 0; +} + +static int radeon_cp_swap( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + DRM_DEBUG( "\n" ); + + LOCK_TEST_WITH_RETURN( dev, filp ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + if ( sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS ) + sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; + + radeon_cp_dispatch_swap( dev ); + dev_priv->sarea_priv->ctx_owner = 0; + + COMMIT_RING(); + return 0; +} + +static int radeon_cp_vertex( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_file_t *filp_priv; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_vertex_t vertex; + drm_radeon_tcl_prim_t prim; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_GET_PRIV_WITH_RETURN( filp_priv, filp ); + + DRM_COPY_FROM_USER_IOCTL( vertex, (drm_radeon_vertex_t __user *)data, + sizeof(vertex) ); + + DRM_DEBUG( "pid=%d index=%d count=%d discard=%d\n", + DRM_CURRENTPID, + vertex.idx, vertex.count, vertex.discard ); + + if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + vertex.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + if ( vertex.prim < 0 || + vertex.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { + DRM_ERROR( "buffer prim %d\n", vertex.prim ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[vertex.idx]; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); + return DRM_ERR(EINVAL); + } + + /* Build up a prim_t record: + */ + if (vertex.count) { + buf->used = vertex.count; /* not used? */ + + if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { + if ( radeon_emit_state( dev_priv, filp_priv, + &sarea_priv->context_state, + sarea_priv->tex_state, + sarea_priv->dirty ) ) { + DRM_ERROR( "radeon_emit_state failed\n" ); + return DRM_ERR( EINVAL ); + } + + sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES | + RADEON_UPLOAD_TEX1IMAGES | + RADEON_UPLOAD_TEX2IMAGES | + RADEON_REQUIRE_QUIESCENCE); + } + + prim.start = 0; + prim.finish = vertex.count; /* unused */ + prim.prim = vertex.prim; + prim.numverts = vertex.count; + prim.vc_format = dev_priv->sarea_priv->vc_format; + + radeon_cp_dispatch_vertex( dev, buf, &prim ); + } + + if (vertex.discard) { + radeon_cp_discard_buffer( dev, buf ); + } + + COMMIT_RING(); + return 0; +} + +static int radeon_cp_indices( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_file_t *filp_priv; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_indices_t elts; + drm_radeon_tcl_prim_t prim; + int count; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_GET_PRIV_WITH_RETURN( filp_priv, filp ); + + DRM_COPY_FROM_USER_IOCTL( elts, (drm_radeon_indices_t __user *)data, + sizeof(elts) ); + + DRM_DEBUG( "pid=%d index=%d start=%d end=%d discard=%d\n", + DRM_CURRENTPID, + elts.idx, elts.start, elts.end, elts.discard ); + + if ( elts.idx < 0 || elts.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + elts.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + if ( elts.prim < 0 || + elts.prim > RADEON_PRIM_TYPE_3VRT_LINE_LIST ) { + DRM_ERROR( "buffer prim %d\n", elts.prim ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[elts.idx]; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", elts.idx ); + return DRM_ERR(EINVAL); + } + + count = (elts.end - elts.start) / sizeof(u16); + elts.start -= RADEON_INDEX_PRIM_OFFSET; + + if ( elts.start & 0x7 ) { + DRM_ERROR( "misaligned buffer 0x%x\n", elts.start ); + return DRM_ERR(EINVAL); + } + if ( elts.start < buf->used ) { + DRM_ERROR( "no header 0x%x - 0x%x\n", elts.start, buf->used ); + return DRM_ERR(EINVAL); + } + + buf->used = elts.end; + + if ( sarea_priv->dirty & ~RADEON_UPLOAD_CLIPRECTS ) { + if ( radeon_emit_state( dev_priv, filp_priv, + &sarea_priv->context_state, + sarea_priv->tex_state, + sarea_priv->dirty ) ) { + DRM_ERROR( "radeon_emit_state failed\n" ); + return DRM_ERR( EINVAL ); + } + + sarea_priv->dirty &= ~(RADEON_UPLOAD_TEX0IMAGES | + RADEON_UPLOAD_TEX1IMAGES | + RADEON_UPLOAD_TEX2IMAGES | + RADEON_REQUIRE_QUIESCENCE); + } + + + /* Build up a prim_t record: + */ + prim.start = elts.start; + prim.finish = elts.end; + prim.prim = elts.prim; + prim.offset = 0; /* offset from start of dma buffers */ + prim.numverts = RADEON_MAX_VB_VERTS; /* duh */ + prim.vc_format = dev_priv->sarea_priv->vc_format; + + radeon_cp_dispatch_indices( dev, buf, &prim ); + if (elts.discard) { + radeon_cp_discard_buffer( dev, buf ); + } + + COMMIT_RING(); + return 0; +} + +static int radeon_cp_texture( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_texture_t tex; + drm_radeon_tex_image_t image; + int ret; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( tex, (drm_radeon_texture_t __user *)data, sizeof(tex) ); + + if ( tex.image == NULL ) { + DRM_ERROR( "null texture image!\n" ); + return DRM_ERR(EINVAL); + } + + if ( DRM_COPY_FROM_USER( &image, + (drm_radeon_tex_image_t __user *)tex.image, + sizeof(image) ) ) + return DRM_ERR(EFAULT); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + ret = radeon_cp_dispatch_texture( filp, dev, &tex, &image ); + + COMMIT_RING(); + return ret; +} + +static int radeon_cp_stipple( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_stipple_t stipple; + u32 mask[32]; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + DRM_COPY_FROM_USER_IOCTL( stipple, (drm_radeon_stipple_t __user *)data, + sizeof(stipple) ); + + if ( DRM_COPY_FROM_USER( &mask, stipple.mask, 32 * sizeof(u32) ) ) + return DRM_ERR(EFAULT); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + + radeon_cp_dispatch_stipple( dev, mask ); + + COMMIT_RING(); + return 0; +} + +static int radeon_cp_indirect( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_indirect_t indirect; + RING_LOCALS; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( indirect, (drm_radeon_indirect_t __user *)data, + sizeof(indirect) ); + + DRM_DEBUG( "indirect: idx=%d s=%d e=%d d=%d\n", + indirect.idx, indirect.start, + indirect.end, indirect.discard ); + + if ( indirect.idx < 0 || indirect.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + indirect.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + buf = dma->buflist[indirect.idx]; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", indirect.idx ); + return DRM_ERR(EINVAL); + } + + if ( indirect.start < buf->used ) { + DRM_ERROR( "reusing indirect: start=0x%x actual=0x%x\n", + indirect.start, buf->used ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf->used = indirect.end; + + /* Wait for the 3D stream to idle before the indirect buffer + * containing 2D acceleration commands is processed. + */ + BEGIN_RING( 2 ); + + RADEON_WAIT_UNTIL_3D_IDLE(); + + ADVANCE_RING(); + + /* Dispatch the indirect buffer full of commands from the + * X server. This is insecure and is thus only available to + * privileged clients. + */ + radeon_cp_dispatch_indirect( dev, buf, indirect.start, indirect.end ); + if (indirect.discard) { + radeon_cp_discard_buffer( dev, buf ); + } + + + COMMIT_RING(); + return 0; +} + +static int radeon_cp_vertex2( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_file_t *filp_priv; + drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf; + drm_radeon_vertex2_t vertex; + int i; + unsigned char laststate; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_GET_PRIV_WITH_RETURN( filp_priv, filp ); + + DRM_COPY_FROM_USER_IOCTL( vertex, (drm_radeon_vertex2_t __user *)data, + sizeof(vertex) ); + + DRM_DEBUG( "pid=%d index=%d discard=%d\n", + DRM_CURRENTPID, + vertex.idx, vertex.discard ); + + if ( vertex.idx < 0 || vertex.idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + vertex.idx, dma->buf_count - 1 ); + return DRM_ERR(EINVAL); + } + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + buf = dma->buflist[vertex.idx]; + + if ( buf->filp != filp ) { + DRM_ERROR( "process %d using buffer owned by %p\n", + DRM_CURRENTPID, buf->filp ); + return DRM_ERR(EINVAL); + } + + if ( buf->pending ) { + DRM_ERROR( "sending pending buffer %d\n", vertex.idx ); + return DRM_ERR(EINVAL); + } + + if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS) + return DRM_ERR(EINVAL); + + for (laststate = 0xff, i = 0 ; i < vertex.nr_prims ; i++) { + drm_radeon_prim_t prim; + drm_radeon_tcl_prim_t tclprim; + + if ( DRM_COPY_FROM_USER( &prim, &vertex.prim[i], sizeof(prim) ) ) + return DRM_ERR(EFAULT); + + if ( prim.stateidx != laststate ) { + drm_radeon_state_t state; + + if ( DRM_COPY_FROM_USER( &state, + &vertex.state[prim.stateidx], + sizeof(state) ) ) + return DRM_ERR(EFAULT); + + if ( radeon_emit_state2( dev_priv, filp_priv, &state ) ) { + DRM_ERROR( "radeon_emit_state2 failed\n" ); + return DRM_ERR( EINVAL ); + } + + laststate = prim.stateidx; + } + + tclprim.start = prim.start; + tclprim.finish = prim.finish; + tclprim.prim = prim.prim; + tclprim.vc_format = prim.vc_format; + + if ( prim.prim & RADEON_PRIM_WALK_IND ) { + tclprim.offset = prim.numverts * 64; + tclprim.numverts = RADEON_MAX_VB_VERTS; /* duh */ + + radeon_cp_dispatch_indices( dev, buf, &tclprim ); + } else { + tclprim.numverts = prim.numverts; + tclprim.offset = 0; /* not used */ + + radeon_cp_dispatch_vertex( dev, buf, &tclprim ); + } + + if (sarea_priv->nbox == 1) + sarea_priv->nbox = 0; + } + + if ( vertex.discard ) { + radeon_cp_discard_buffer( dev, buf ); + } + + COMMIT_RING(); + return 0; +} + + +static int radeon_emit_packets( + drm_radeon_private_t *dev_priv, + drm_file_t *filp_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int id = (int)header.packet.packet_id; + int sz, reg; + int *data = (int *)cmdbuf->buf; + RING_LOCALS; + + if (id >= RADEON_MAX_STATE_PACKETS) + return DRM_ERR(EINVAL); + + sz = packet[id].len; + reg = packet[id].start; + + if (sz * sizeof(int) > cmdbuf->bufsz) { + DRM_ERROR( "Packet size provided larger than data provided\n" ); + return DRM_ERR(EINVAL); + } + + if ( radeon_check_and_fixup_packets( dev_priv, filp_priv, id, data ) ) { + DRM_ERROR( "Packet verification failed\n" ); + return DRM_ERR( EINVAL ); + } + + BEGIN_RING(sz+1); + OUT_RING( CP_PACKET0( reg, (sz-1) ) ); + OUT_RING_TABLE( data, sz ); + ADVANCE_RING(); + + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + +static __inline__ int radeon_emit_scalars( + drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int sz = header.scalars.count; + int start = header.scalars.offset; + int stride = header.scalars.stride; + RING_LOCALS; + + BEGIN_RING( 3+sz ); + OUT_RING( CP_PACKET0( RADEON_SE_TCL_SCALAR_INDX_REG, 0 ) ); + OUT_RING( start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT)); + OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_SCALAR_DATA_REG, sz-1 ) ); + OUT_RING_TABLE( cmdbuf->buf, sz ); + ADVANCE_RING(); + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + +/* God this is ugly + */ +static __inline__ int radeon_emit_scalars2( + drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int sz = header.scalars.count; + int start = ((unsigned int)header.scalars.offset) + 0x100; + int stride = header.scalars.stride; + RING_LOCALS; + + BEGIN_RING( 3+sz ); + OUT_RING( CP_PACKET0( RADEON_SE_TCL_SCALAR_INDX_REG, 0 ) ); + OUT_RING( start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT)); + OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_SCALAR_DATA_REG, sz-1 ) ); + OUT_RING_TABLE( cmdbuf->buf, sz ); + ADVANCE_RING(); + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + +static __inline__ int radeon_emit_vectors( + drm_radeon_private_t *dev_priv, + drm_radeon_cmd_header_t header, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + int sz = header.vectors.count; + int start = header.vectors.offset; + int stride = header.vectors.stride; + RING_LOCALS; + + BEGIN_RING( 3+sz ); + OUT_RING( CP_PACKET0( RADEON_SE_TCL_VECTOR_INDX_REG, 0 ) ); + OUT_RING( start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT)); + OUT_RING( CP_PACKET0_TABLE( RADEON_SE_TCL_VECTOR_DATA_REG, (sz-1) ) ); + OUT_RING_TABLE( cmdbuf->buf, sz ); + ADVANCE_RING(); + + cmdbuf->buf += sz * sizeof(int); + cmdbuf->bufsz -= sz * sizeof(int); + return 0; +} + + +static int radeon_emit_packet3( drm_device_t *dev, + drm_file_t *filp_priv, + drm_radeon_cmd_buffer_t *cmdbuf ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + unsigned int cmdsz; + int ret; + RING_LOCALS; + + DRM_DEBUG("\n"); + + if ( ( ret = radeon_check_and_fixup_packet3( dev_priv, filp_priv, + cmdbuf, &cmdsz ) ) ) { + DRM_ERROR( "Packet verification failed\n" ); + return ret; + } + + BEGIN_RING( cmdsz ); + OUT_RING_TABLE( cmdbuf->buf, cmdsz ); + ADVANCE_RING(); + + cmdbuf->buf += cmdsz * 4; + cmdbuf->bufsz -= cmdsz * 4; + return 0; +} + + +static int radeon_emit_packet3_cliprect( drm_device_t *dev, + drm_file_t *filp_priv, + drm_radeon_cmd_buffer_t *cmdbuf, + int orig_nbox ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_clip_rect_t box; + unsigned int cmdsz; + int ret; + drm_clip_rect_t __user *boxes = cmdbuf->boxes; + int i = 0; + RING_LOCALS; + + DRM_DEBUG("\n"); + + if ( ( ret = radeon_check_and_fixup_packet3( dev_priv, filp_priv, + cmdbuf, &cmdsz ) ) ) { + DRM_ERROR( "Packet verification failed\n" ); + return ret; + } + + if (!orig_nbox) + goto out; + + do { + if ( i < cmdbuf->nbox ) { + if (DRM_COPY_FROM_USER( &box, &boxes[i], sizeof(box) )) + return DRM_ERR(EFAULT); + /* FIXME The second and subsequent times round + * this loop, send a WAIT_UNTIL_3D_IDLE before + * calling emit_clip_rect(). This fixes a + * lockup on fast machines when sending + * several cliprects with a cmdbuf, as when + * waving a 2D window over a 3D + * window. Something in the commands from user + * space seems to hang the card when they're + * sent several times in a row. That would be + * the correct place to fix it but this works + * around it until I can figure that out - Tim + * Smith */ + if ( i ) { + BEGIN_RING( 2 ); + RADEON_WAIT_UNTIL_3D_IDLE(); + ADVANCE_RING(); + } + radeon_emit_clip_rect( dev_priv, &box ); + } + + BEGIN_RING( cmdsz ); + OUT_RING_TABLE( cmdbuf->buf, cmdsz ); + ADVANCE_RING(); + + } while ( ++i < cmdbuf->nbox ); + if (cmdbuf->nbox == 1) + cmdbuf->nbox = 0; + + out: + cmdbuf->buf += cmdsz * 4; + cmdbuf->bufsz -= cmdsz * 4; + return 0; +} + + +static int radeon_emit_wait( drm_device_t *dev, int flags ) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + RING_LOCALS; + + DRM_DEBUG("%s: %x\n", __FUNCTION__, flags); + switch (flags) { + case RADEON_WAIT_2D: + BEGIN_RING( 2 ); + RADEON_WAIT_UNTIL_2D_IDLE(); + ADVANCE_RING(); + break; + case RADEON_WAIT_3D: + BEGIN_RING( 2 ); + RADEON_WAIT_UNTIL_3D_IDLE(); + ADVANCE_RING(); + break; + case RADEON_WAIT_2D|RADEON_WAIT_3D: + BEGIN_RING( 2 ); + RADEON_WAIT_UNTIL_IDLE(); + ADVANCE_RING(); + break; + default: + return DRM_ERR(EINVAL); + } + + return 0; +} + +static int radeon_cp_cmdbuf( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_file_t *filp_priv; + drm_device_dma_t *dma = dev->dma; + drm_buf_t *buf = NULL; + int idx; + drm_radeon_cmd_buffer_t cmdbuf; + drm_radeon_cmd_header_t header; + int orig_nbox, orig_bufsz; + char *kbuf=NULL; + + LOCK_TEST_WITH_RETURN( dev, filp ); + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_GET_PRIV_WITH_RETURN( filp_priv, filp ); + + DRM_COPY_FROM_USER_IOCTL( cmdbuf, (drm_radeon_cmd_buffer_t __user *)data, + sizeof(cmdbuf) ); + + RING_SPACE_TEST_WITH_RETURN( dev_priv ); + VB_AGE_TEST_WITH_RETURN( dev_priv ); + + if (cmdbuf.bufsz > 64*1024 || cmdbuf.bufsz<0) { + return DRM_ERR(EINVAL); + } + + /* Allocate an in-kernel area and copy in the cmdbuf. Do this to avoid + * races between checking values and using those values in other code, + * and simply to avoid a lot of function calls to copy in data. + */ + orig_bufsz = cmdbuf.bufsz; + if (orig_bufsz != 0) { + kbuf = drm_alloc(cmdbuf.bufsz, DRM_MEM_DRIVER); + if (kbuf == NULL) + return DRM_ERR(ENOMEM); + if (DRM_COPY_FROM_USER(kbuf, cmdbuf.buf, cmdbuf.bufsz)) { + drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER); + return DRM_ERR(EFAULT); + } + cmdbuf.buf = kbuf; + } + + orig_nbox = cmdbuf.nbox; + + while ( cmdbuf.bufsz >= sizeof(header) ) { + + header.i = *(int *)cmdbuf.buf; + cmdbuf.buf += sizeof(header); + cmdbuf.bufsz -= sizeof(header); + + switch (header.header.cmd_type) { + case RADEON_CMD_PACKET: + DRM_DEBUG("RADEON_CMD_PACKET\n"); + if (radeon_emit_packets( dev_priv, filp_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_packets failed\n"); + goto err; + } + break; + + case RADEON_CMD_SCALARS: + DRM_DEBUG("RADEON_CMD_SCALARS\n"); + if (radeon_emit_scalars( dev_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_scalars failed\n"); + goto err; + } + break; + + case RADEON_CMD_VECTORS: + DRM_DEBUG("RADEON_CMD_VECTORS\n"); + if (radeon_emit_vectors( dev_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_vectors failed\n"); + goto err; + } + break; + + case RADEON_CMD_DMA_DISCARD: + DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n"); + idx = header.dma.buf_idx; + if ( idx < 0 || idx >= dma->buf_count ) { + DRM_ERROR( "buffer index %d (of %d max)\n", + idx, dma->buf_count - 1 ); + goto err; + } + + buf = dma->buflist[idx]; + if ( buf->filp != filp || buf->pending ) { + DRM_ERROR( "bad buffer %p %p %d\n", + buf->filp, filp, buf->pending); + goto err; + } + + radeon_cp_discard_buffer( dev, buf ); + break; + + case RADEON_CMD_PACKET3: + DRM_DEBUG("RADEON_CMD_PACKET3\n"); + if (radeon_emit_packet3( dev, filp_priv, &cmdbuf )) { + DRM_ERROR("radeon_emit_packet3 failed\n"); + goto err; + } + break; + + case RADEON_CMD_PACKET3_CLIP: + DRM_DEBUG("RADEON_CMD_PACKET3_CLIP\n"); + if (radeon_emit_packet3_cliprect( dev, filp_priv, &cmdbuf, orig_nbox )) { + DRM_ERROR("radeon_emit_packet3_clip failed\n"); + goto err; + } + break; + + case RADEON_CMD_SCALARS2: + DRM_DEBUG("RADEON_CMD_SCALARS2\n"); + if (radeon_emit_scalars2( dev_priv, header, &cmdbuf )) { + DRM_ERROR("radeon_emit_scalars2 failed\n"); + goto err; + } + break; + + case RADEON_CMD_WAIT: + DRM_DEBUG("RADEON_CMD_WAIT\n"); + if (radeon_emit_wait( dev, header.wait.flags )) { + DRM_ERROR("radeon_emit_wait failed\n"); + goto err; + } + break; + default: + DRM_ERROR("bad cmd_type %d at %p\n", + header.header.cmd_type, + cmdbuf.buf - sizeof(header)); + goto err; + } + } + + if (orig_bufsz != 0) + drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER); + + DRM_DEBUG("DONE\n"); + COMMIT_RING(); + return 0; + +err: + if (orig_bufsz != 0) + drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER); + return DRM_ERR(EINVAL); +} + + + +static int radeon_cp_getparam( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_radeon_getparam_t param; + int value; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( param, (drm_radeon_getparam_t __user *)data, + sizeof(param) ); + + DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID ); + + switch( param.param ) { + case RADEON_PARAM_GART_BUFFER_OFFSET: + value = dev_priv->gart_buffers_offset; + break; + case RADEON_PARAM_LAST_FRAME: + dev_priv->stats.last_frame_reads++; + value = GET_SCRATCH( 0 ); + break; + case RADEON_PARAM_LAST_DISPATCH: + value = GET_SCRATCH( 1 ); + break; + case RADEON_PARAM_LAST_CLEAR: + dev_priv->stats.last_clear_reads++; + value = GET_SCRATCH( 2 ); + break; + case RADEON_PARAM_IRQ_NR: + value = dev->irq; + break; + case RADEON_PARAM_GART_BASE: + value = dev_priv->gart_vm_start; + break; + case RADEON_PARAM_REGISTER_HANDLE: + value = dev_priv->mmio_offset; + break; + case RADEON_PARAM_STATUS_HANDLE: + value = dev_priv->ring_rptr_offset; + break; +#if BITS_PER_LONG == 32 + /* + * This ioctl() doesn't work on 64-bit platforms because hw_lock is a + * pointer which can't fit into an int-sized variable. According to + * Michel Dänzer, the ioctl() is only used on embedded platforms, so + * not supporting it shouldn't be a problem. If the same functionality + * is needed on 64-bit platforms, a new ioctl() would have to be added, + * so backwards-compatibility for the embedded platforms can be + * maintained. --davidm 4-Feb-2004. + */ + case RADEON_PARAM_SAREA_HANDLE: + /* The lock is the first dword in the sarea. */ + value = (long)dev->lock.hw_lock; + break; +#endif + case RADEON_PARAM_GART_TEX_HANDLE: + value = dev_priv->gart_textures_offset; + break; + default: + return DRM_ERR(EINVAL); + } + + if ( DRM_COPY_TO_USER( param.value, &value, sizeof(int) ) ) { + DRM_ERROR( "copy_to_user\n" ); + return DRM_ERR(EFAULT); + } + + return 0; +} + +static int radeon_cp_setparam( DRM_IOCTL_ARGS ) { + DRM_DEVICE; + drm_radeon_private_t *dev_priv = dev->dev_private; + drm_file_t *filp_priv; + drm_radeon_setparam_t sp; + struct drm_radeon_driver_file_fields *radeon_priv; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR( EINVAL ); + } + + DRM_GET_PRIV_WITH_RETURN( filp_priv, filp ); + + DRM_COPY_FROM_USER_IOCTL( sp, ( drm_radeon_setparam_t __user * )data, + sizeof( sp ) ); + + switch( sp.param ) { + case RADEON_SETPARAM_FB_LOCATION: + radeon_priv = filp_priv->driver_priv; + radeon_priv->radeon_fb_delta = dev_priv->fb_location - sp.value; + break; + case RADEON_SETPARAM_SWITCH_TILING: + if (sp.value == 0) { + DRM_DEBUG( "color tiling disabled\n" ); + dev_priv->front_pitch_offset &= ~RADEON_DST_TILE_MACRO; + dev_priv->back_pitch_offset &= ~RADEON_DST_TILE_MACRO; + dev_priv->sarea_priv->tiling_enabled = 0; + } + else if (sp.value == 1) { + DRM_DEBUG( "color tiling enabled\n" ); + dev_priv->front_pitch_offset |= RADEON_DST_TILE_MACRO; + dev_priv->back_pitch_offset |= RADEON_DST_TILE_MACRO; + dev_priv->sarea_priv->tiling_enabled = 1; + } + break; + default: + DRM_DEBUG( "Invalid parameter %d\n", sp.param ); + return DRM_ERR( EINVAL ); + } + + return 0; +} + +/* When a client dies: + * - Check for and clean up flipped page state + * - Free any alloced GART memory. + * + * DRM infrastructure takes care of reclaiming dma buffers. + */ +void radeon_driver_prerelease(drm_device_t *dev, DRMFILE filp) +{ + if ( dev->dev_private ) { + drm_radeon_private_t *dev_priv = dev->dev_private; + if ( dev_priv->page_flipping ) { + radeon_do_cleanup_pageflip( dev ); + } + radeon_mem_release( filp, dev_priv->gart_heap ); + radeon_mem_release( filp, dev_priv->fb_heap ); + radeon_surfaces_release(filp, dev_priv); + } +} + +void radeon_driver_pretakedown(drm_device_t *dev) +{ + radeon_do_release(dev); +} + +int radeon_driver_open_helper(drm_device_t *dev, drm_file_t *filp_priv) +{ + drm_radeon_private_t *dev_priv = dev->dev_private; + struct drm_radeon_driver_file_fields *radeon_priv; + + radeon_priv = (struct drm_radeon_driver_file_fields *)drm_alloc(sizeof(*radeon_priv), DRM_MEM_FILES); + + if (!radeon_priv) + return -ENOMEM; + + filp_priv->driver_priv = radeon_priv; + if ( dev_priv ) + radeon_priv->radeon_fb_delta = dev_priv->fb_location; + else + radeon_priv->radeon_fb_delta = 0; + return 0; +} + + +void radeon_driver_free_filp_priv(drm_device_t *dev, drm_file_t *filp_priv) +{ + struct drm_radeon_driver_file_fields *radeon_priv = filp_priv->driver_priv; + + drm_free(radeon_priv, sizeof(*radeon_priv), DRM_MEM_FILES); +} + +drm_ioctl_desc_t radeon_ioctls[] = { + [DRM_IOCTL_NR(DRM_RADEON_CP_INIT)] = { radeon_cp_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_START)] = { radeon_cp_start, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_STOP)] = { radeon_cp_stop, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_RESET)] = { radeon_cp_reset, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_IDLE)] = { radeon_cp_idle, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_CP_RESUME)] = { radeon_cp_resume, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_RESET)] = { radeon_engine_reset, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_FULLSCREEN)] = { radeon_fullscreen, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_SWAP)] = { radeon_cp_swap, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_CLEAR)] = { radeon_cp_clear, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_VERTEX)] = { radeon_cp_vertex, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_INDICES)] = { radeon_cp_indices, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_TEXTURE)] = { radeon_cp_texture, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_STIPPLE)] = { radeon_cp_stipple, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_INDIRECT)] = { radeon_cp_indirect, 1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_VERTEX2)] = { radeon_cp_vertex2, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_CMDBUF)] = { radeon_cp_cmdbuf, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_GETPARAM)] = { radeon_cp_getparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_FLIP)] = { radeon_cp_flip, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_ALLOC)] = { radeon_mem_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_FREE)] = { radeon_mem_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_INIT_HEAP)] = { radeon_mem_init_heap,1, 1 }, + [DRM_IOCTL_NR(DRM_RADEON_IRQ_EMIT)] = { radeon_irq_emit, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_IRQ_WAIT)] = { radeon_irq_wait, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_SETPARAM)] = { radeon_cp_setparam, 1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_SURF_ALLOC)] = { radeon_surface_alloc,1, 0 }, + [DRM_IOCTL_NR(DRM_RADEON_SURF_FREE)] = { radeon_surface_free, 1, 0 } +}; + +int radeon_max_ioctl = DRM_ARRAY_SIZE(radeon_ioctls); diff --git a/drivers/char/drm/sis_drm.h b/drivers/char/drm/sis_drm.h new file mode 100644 index 0000000..e99c3a4 --- /dev/null +++ b/drivers/char/drm/sis_drm.h @@ -0,0 +1,42 @@ + +#ifndef __SIS_DRM_H__ +#define __SIS_DRM_H__ + +/* SiS specific ioctls */ +#define NOT_USED_0_3 +#define DRM_SIS_FB_ALLOC 0x04 +#define DRM_SIS_FB_FREE 0x05 +#define NOT_USED_6_12 +#define DRM_SIS_AGP_INIT 0x13 +#define DRM_SIS_AGP_ALLOC 0x14 +#define DRM_SIS_AGP_FREE 0x15 +#define DRM_SIS_FB_INIT 0x16 + +#define DRM_IOCTL_SIS_FB_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_FB_ALLOC, drm_sis_mem_t) +#define DRM_IOCTL_SIS_FB_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_FB_FREE, drm_sis_mem_t) +#define DRM_IOCTL_SIS_AGP_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_AGP_INIT, drm_sis_agp_t) +#define DRM_IOCTL_SIS_AGP_ALLOC DRM_IOWR(DRM_COMMAND_BASE + DRM_SIS_AGP_ALLOC, drm_sis_mem_t) +#define DRM_IOCTL_SIS_AGP_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_AGP_FREE, drm_sis_mem_t) +#define DRM_IOCTL_SIS_FB_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_SIS_FB_INIT, drm_sis_fb_t) +/* +#define DRM_IOCTL_SIS_FLIP DRM_IOW( 0x48, drm_sis_flip_t) +#define DRM_IOCTL_SIS_FLIP_INIT DRM_IO( 0x49) +#define DRM_IOCTL_SIS_FLIP_FINAL DRM_IO( 0x50) +*/ + +typedef struct { + int context; + unsigned int offset; + unsigned int size; + unsigned long free; +} drm_sis_mem_t; + +typedef struct { + unsigned int offset, size; +} drm_sis_agp_t; + +typedef struct { + unsigned int offset, size; +} drm_sis_fb_t; + +#endif /* __SIS_DRM_H__ */ diff --git a/drivers/char/drm/sis_drv.c b/drivers/char/drm/sis_drv.c new file mode 100644 index 0000000..f441714 --- /dev/null +++ b/drivers/char/drm/sis_drv.c @@ -0,0 +1,110 @@ +/* sis.c -- sis driver -*- linux-c -*- + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + */ + +#include <linux/config.h> +#include "drmP.h" +#include "sis_drm.h" +#include "sis_drv.h" + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + sisdrv_PCI_IDS +}; + +extern drm_ioctl_desc_t sis_ioctls[]; +extern int sis_max_ioctl; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR, + .context_ctor = sis_init_context, + .context_dtor = sis_final_context, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .ioctls = sis_ioctls, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init sis_init(void) +{ + driver.num_ioctls = sis_max_ioctl; + return drm_init(&driver); +} + +static void __exit sis_exit(void) +{ + drm_exit(&driver); +} + +module_init(sis_init); +module_exit(sis_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/sis_drv.h b/drivers/char/drm/sis_drv.h new file mode 100644 index 0000000..5be36b5 --- /dev/null +++ b/drivers/char/drm/sis_drv.h @@ -0,0 +1,52 @@ +/* sis_drv.h -- Private header for sis driver -*- linux-c -*- + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _SIS_DRV_H_ +#define _SIS_DRV_H_ + +/* General customization: + */ + +#define DRIVER_AUTHOR "SIS" +#define DRIVER_NAME "sis" +#define DRIVER_DESC "SIS 300/630/540" +#define DRIVER_DATE "20030826" +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 1 +#define DRIVER_PATCHLEVEL 0 + +#include "sis_ds.h" + +typedef struct drm_sis_private { + memHeap_t *AGPHeap; + memHeap_t *FBHeap; +} drm_sis_private_t; + +extern int sis_init_context(drm_device_t *dev, int context); +extern int sis_final_context(drm_device_t *dev, int context); + +#endif diff --git a/drivers/char/drm/sis_ds.c b/drivers/char/drm/sis_ds.c new file mode 100644 index 0000000..e37ed8c --- /dev/null +++ b/drivers/char/drm/sis_ds.c @@ -0,0 +1,301 @@ +/* sis_ds.c -- Private header for Direct Rendering Manager -*- linux-c -*- + * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw + * + * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Sung-Ching Lin <sclin@sis.com.tw> + * + */ + +#include "drmP.h" +#include "drm.h" +#include "sis_ds.h" + +/* Set Data Structure, not check repeated value + * temporarily used + */ + +set_t *setInit(void) +{ + int i; + set_t *set; + + set = (set_t *)drm_alloc(sizeof(set_t), DRM_MEM_DRIVER); + if (set != NULL) { + for (i = 0; i < SET_SIZE; i++) { + set->list[i].free_next = i + 1; + set->list[i].alloc_next = -1; + } + set->list[SET_SIZE-1].free_next = -1; + set->free = 0; + set->alloc = -1; + set->trace = -1; + } + return set; +} + +int setAdd(set_t *set, ITEM_TYPE item) +{ + int free = set->free; + + if (free != -1) { + set->list[free].val = item; + set->free = set->list[free].free_next; + } else { + return 0; + } + + set->list[free].alloc_next = set->alloc; + set->alloc = free; + set->list[free].free_next = -1; + + return 1; +} + +int setDel(set_t *set, ITEM_TYPE item) +{ + int alloc = set->alloc; + int prev = -1; + + while (alloc != -1) { + if (set->list[alloc].val == item) { + if (prev != -1) + set->list[prev].alloc_next = + set->list[alloc].alloc_next; + else + set->alloc = set->list[alloc].alloc_next; + break; + } + prev = alloc; + alloc = set->list[alloc].alloc_next; + } + + if (alloc == -1) + return 0; + + set->list[alloc].free_next = set->free; + set->free = alloc; + set->list[alloc].alloc_next = -1; + + return 1; +} + +/* setFirst -> setAdd -> setNext is wrong */ + +int setFirst(set_t *set, ITEM_TYPE *item) +{ + if (set->alloc == -1) + return 0; + + *item = set->list[set->alloc].val; + set->trace = set->list[set->alloc].alloc_next; + + return 1; +} + +int setNext(set_t *set, ITEM_TYPE *item) +{ + if (set->trace == -1) + return 0; + + *item = set->list[set->trace].val; + set->trace = set->list[set->trace].alloc_next; + + return 1; +} + +int setDestroy(set_t *set) +{ + drm_free(set, sizeof(set_t), DRM_MEM_DRIVER); + + return 1; +} + +/* + * GLX Hardware Device Driver common code + * Copyright (C) 1999 Wittawat Yamwong + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#define ISFREE(bptr) ((bptr)->free) + +memHeap_t *mmInit(int ofs, + int size) +{ + PMemBlock blocks; + + if (size <= 0) + return NULL; + + blocks = (TMemBlock *)drm_calloc(1, sizeof(TMemBlock), DRM_MEM_DRIVER); + if (blocks != NULL) { + blocks->ofs = ofs; + blocks->size = size; + blocks->free = 1; + return (memHeap_t *)blocks; + } else + return NULL; +} + +/* Checks if a pointer 'b' is part of the heap 'heap' */ +int mmBlockInHeap(memHeap_t *heap, PMemBlock b) +{ + TMemBlock *p; + + if (heap == NULL || b == NULL) + return 0; + + p = heap; + while (p != NULL && p != b) { + p = p->next; + } + if (p == b) + return 1; + else + return 0; +} + +static TMemBlock* SliceBlock(TMemBlock *p, + int startofs, int size, + int reserved, int alignment) +{ + TMemBlock *newblock; + + /* break left */ + if (startofs > p->ofs) { + newblock = (TMemBlock*) drm_calloc(1, sizeof(TMemBlock), + DRM_MEM_DRIVER); + newblock->ofs = startofs; + newblock->size = p->size - (startofs - p->ofs); + newblock->free = 1; + newblock->next = p->next; + p->size -= newblock->size; + p->next = newblock; + p = newblock; + } + + /* break right */ + if (size < p->size) { + newblock = (TMemBlock*) drm_calloc(1, sizeof(TMemBlock), + DRM_MEM_DRIVER); + newblock->ofs = startofs + size; + newblock->size = p->size - size; + newblock->free = 1; + newblock->next = p->next; + p->size = size; + p->next = newblock; + } + + /* p = middle block */ + p->align = alignment; + p->free = 0; + p->reserved = reserved; + return p; +} + +PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch) +{ + int mask,startofs, endofs; + TMemBlock *p; + + if (heap == NULL || align2 < 0 || size <= 0) + return NULL; + + mask = (1 << align2)-1; + startofs = 0; + p = (TMemBlock *)heap; + while (p != NULL) { + if (ISFREE(p)) { + startofs = (p->ofs + mask) & ~mask; + if ( startofs < startSearch ) { + startofs = startSearch; + } + endofs = startofs+size; + if (endofs <= (p->ofs+p->size)) + break; + } + p = p->next; + } + if (p == NULL) + return NULL; + p = SliceBlock(p,startofs,size,0,mask+1); + p->heap = heap; + return p; +} + +static __inline__ int Join2Blocks(TMemBlock *p) +{ + if (p->free && p->next && p->next->free) { + TMemBlock *q = p->next; + p->size += q->size; + p->next = q->next; + drm_free(q, sizeof(TMemBlock), DRM_MEM_DRIVER); + return 1; + } + return 0; +} + +int mmFreeMem(PMemBlock b) +{ + TMemBlock *p, *prev; + + if (b == NULL) + return 0; + if (b->heap == NULL) + return -1; + + p = b->heap; + prev = NULL; + while (p != NULL && p != b) { + prev = p; + p = p->next; + } + if (p == NULL || p->free || p->reserved) + return -1; + + p->free = 1; + Join2Blocks(p); + if (prev) + Join2Blocks(prev); + return 0; +} + diff --git a/drivers/char/drm/sis_ds.h b/drivers/char/drm/sis_ds.h new file mode 100644 index 0000000..171ee75 --- /dev/null +++ b/drivers/char/drm/sis_ds.h @@ -0,0 +1,145 @@ +/* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- + * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw + * + * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Sung-Ching Lin <sclin@sis.com.tw> + * + */ + +#ifndef __SIS_DS_H__ +#define __SIS_DS_H__ + +/* Set Data Structure */ + +#define SET_SIZE 5000 + +typedef unsigned int ITEM_TYPE; + +typedef struct { + ITEM_TYPE val; + int alloc_next, free_next; +} list_item_t; + +typedef struct { + int alloc; + int free; + int trace; + list_item_t list[SET_SIZE]; +} set_t; + +set_t *setInit(void); +int setAdd(set_t *set, ITEM_TYPE item); +int setDel(set_t *set, ITEM_TYPE item); +int setFirst(set_t *set, ITEM_TYPE *item); +int setNext(set_t *set, ITEM_TYPE *item); +int setDestroy(set_t *set); + +/* + * GLX Hardware Device Driver common code + * Copyright (C) 1999 Wittawat Yamwong + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * WITTAWAT YAMWONG, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE + * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +struct mem_block_t { + struct mem_block_t *next; + struct mem_block_t *heap; + int ofs,size; + int align; + unsigned int free:1; + unsigned int reserved:1; +}; +typedef struct mem_block_t TMemBlock; +typedef struct mem_block_t *PMemBlock; + +/* a heap is just the first block in a chain */ +typedef struct mem_block_t memHeap_t; + +static __inline__ int mmBlockSize(PMemBlock b) +{ + return b->size; +} + +static __inline__ int mmOffset(PMemBlock b) +{ + return b->ofs; +} + +static __inline__ void mmMarkReserved(PMemBlock b) +{ + b->reserved = 1; +} + +/* + * input: total size in bytes + * return: a heap pointer if OK, NULL if error + */ +memHeap_t *mmInit( int ofs, int size ); + +/* + * Allocate 'size' bytes with 2^align2 bytes alignment, + * restrict the search to free memory after 'startSearch' + * depth and back buffers should be in different 4mb banks + * to get better page hits if possible + * input: size = size of block + * align2 = 2^align2 bytes alignment + * startSearch = linear offset from start of heap to begin search + * return: pointer to the allocated block, 0 if error + */ +PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch ); + +/* + * Returns 1 if the block 'b' is part of the heap 'heap' + */ +int mmBlockInHeap( PMemBlock heap, PMemBlock b ); + +/* + * Free block starts at offset + * input: pointer to a block + * return: 0 if OK, -1 if error + */ +int mmFreeMem( PMemBlock b ); + +/* For debuging purpose. */ +void mmDumpMemInfo( memHeap_t *mmInit ); + +#endif /* __SIS_DS_H__ */ diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c new file mode 100644 index 0000000..6610c55 --- /dev/null +++ b/drivers/char/drm/sis_mm.c @@ -0,0 +1,417 @@ +/* sis_mm.c -- Private header for Direct Rendering Manager -*- linux-c -*- + * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw + * + * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Sung-Ching Lin <sclin@sis.com.tw> + * + */ + +#include "drmP.h" +#include "sis_drm.h" +#include "sis_drv.h" +#include "sis_ds.h" +#if defined(__linux__) && defined(CONFIG_FB_SIS) +#include <video/sisfb.h> +#endif + +#define MAX_CONTEXT 100 +#define VIDEO_TYPE 0 +#define AGP_TYPE 1 + +typedef struct { + int used; + int context; + set_t *sets[2]; /* 0 for video, 1 for AGP */ +} sis_context_t; + +static sis_context_t global_ppriv[MAX_CONTEXT]; + + +static int add_alloc_set(int context, int type, unsigned int val) +{ + int i, retval = 0; + + for (i = 0; i < MAX_CONTEXT; i++) { + if (global_ppriv[i].used && global_ppriv[i].context == context) + { + retval = setAdd(global_ppriv[i].sets[type], val); + break; + } + } + return retval; +} + +static int del_alloc_set(int context, int type, unsigned int val) +{ + int i, retval = 0; + + for (i = 0; i < MAX_CONTEXT; i++) { + if (global_ppriv[i].used && global_ppriv[i].context == context) + { + retval = setDel(global_ppriv[i].sets[type], val); + break; + } + } + return retval; +} + +/* fb management via fb device */ +#if defined(__linux__) && defined(CONFIG_FB_SIS) + +static int sis_fb_init( DRM_IOCTL_ARGS ) +{ + return 0; +} + +static int sis_fb_alloc( DRM_IOCTL_ARGS ) +{ + drm_sis_mem_t fb; + struct sis_memreq req; + drm_sis_mem_t __user *argp = (void __user *)data; + int retval = 0; + + DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb)); + + req.size = fb.size; + sis_malloc(&req); + if (req.offset) { + /* TODO */ + fb.offset = req.offset; + fb.free = req.offset; + if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) { + DRM_DEBUG("adding to allocation set fails\n"); + sis_free(req.offset); + retval = DRM_ERR(EINVAL); + } + } else { + fb.offset = 0; + fb.size = 0; + fb.free = 0; + } + + DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb)); + + DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, req.offset); + + return retval; +} + +static int sis_fb_free( DRM_IOCTL_ARGS ) +{ + drm_sis_mem_t fb; + int retval = 0; + + DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb)); + + if (!fb.free) + return DRM_ERR(EINVAL); + + if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) + retval = DRM_ERR(EINVAL); + sis_free((u32)fb.free); + + DRM_DEBUG("free fb, offset = %lu\n", fb.free); + + return retval; +} + +#else + +/* Called by the X Server to initialize the FB heap. Allocations will fail + * unless this is called. Offset is the beginning of the heap from the + * framebuffer offset (MaxXFBMem in XFree86). + * + * Memory layout according to Thomas Winischofer: + * |------------------|DDDDDDDDDDDDDDDDDDDDDDDDDDDDD|HHHH|CCCCCCCCCCC| + * + * X driver/sisfb HW- Command- + * framebuffer memory DRI heap Cursor queue + */ +static int sis_fb_init( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_fb_t fb; + + DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *)data, sizeof(fb)); + + if (dev_priv == NULL) { + dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), + DRM_MEM_DRIVER); + dev_priv = dev->dev_private; + if (dev_priv == NULL) + return ENOMEM; + } + + if (dev_priv->FBHeap != NULL) + return DRM_ERR(EINVAL); + + dev_priv->FBHeap = mmInit(fb.offset, fb.size); + + DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size); + + return 0; +} + +static int sis_fb_alloc( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_mem_t __user *argp = (void __user *)data; + drm_sis_mem_t fb; + PMemBlock block; + int retval = 0; + + if (dev_priv == NULL || dev_priv->FBHeap == NULL) + return DRM_ERR(EINVAL); + + DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb)); + + block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0); + if (block) { + /* TODO */ + fb.offset = block->ofs; + fb.free = (unsigned long)block; + if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) { + DRM_DEBUG("adding to allocation set fails\n"); + mmFreeMem((PMemBlock)fb.free); + retval = DRM_ERR(EINVAL); + } + } else { + fb.offset = 0; + fb.size = 0; + fb.free = 0; + } + + DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb)); + + DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, fb.offset); + + return retval; +} + +static int sis_fb_free( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_mem_t fb; + + if (dev_priv == NULL || dev_priv->FBHeap == NULL) + return DRM_ERR(EINVAL); + + DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb)); + + if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock)fb.free)) + return DRM_ERR(EINVAL); + + if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free)) + return DRM_ERR(EINVAL); + mmFreeMem((PMemBlock)fb.free); + + DRM_DEBUG("free fb, free = 0x%lx\n", fb.free); + + return 0; +} + +#endif + +/* agp memory management */ + +static int sis_ioctl_agp_init( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_agp_t agp; + + if (dev_priv == NULL) { + dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t), + DRM_MEM_DRIVER); + dev_priv = dev->dev_private; + if (dev_priv == NULL) + return ENOMEM; + } + + if (dev_priv->AGPHeap != NULL) + return DRM_ERR(EINVAL); + + DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *)data, sizeof(agp)); + + dev_priv->AGPHeap = mmInit(agp.offset, agp.size); + + DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size); + + return 0; +} + +static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_mem_t __user *argp = (void __user *)data; + drm_sis_mem_t agp; + PMemBlock block; + int retval = 0; + + if (dev_priv == NULL || dev_priv->AGPHeap == NULL) + return DRM_ERR(EINVAL); + + DRM_COPY_FROM_USER_IOCTL(agp, argp, sizeof(agp)); + + block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0); + if (block) { + /* TODO */ + agp.offset = block->ofs; + agp.free = (unsigned long)block; + if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) { + DRM_DEBUG("adding to allocation set fails\n"); + mmFreeMem((PMemBlock)agp.free); + retval = -1; + } + } else { + agp.offset = 0; + agp.size = 0; + agp.free = 0; + } + + DRM_COPY_TO_USER_IOCTL(argp, agp, sizeof(agp)); + + DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset); + + return retval; +} + +static int sis_ioctl_agp_free( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_sis_private_t *dev_priv = dev->dev_private; + drm_sis_mem_t agp; + + if (dev_priv == NULL || dev_priv->AGPHeap == NULL) + return DRM_ERR(EINVAL); + + DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *)data, sizeof(agp)); + + if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock)agp.free)) + return DRM_ERR(EINVAL); + + mmFreeMem((PMemBlock)agp.free); + if (!del_alloc_set(agp.context, AGP_TYPE, agp.free)) + return DRM_ERR(EINVAL); + + DRM_DEBUG("free agp, free = 0x%lx\n", agp.free); + + return 0; +} + +int sis_init_context(struct drm_device *dev, int context) +{ + int i; + + for (i = 0; i < MAX_CONTEXT ; i++) { + if (global_ppriv[i].used && + (global_ppriv[i].context == context)) + break; + } + + if (i >= MAX_CONTEXT) { + for (i = 0; i < MAX_CONTEXT ; i++) { + if (!global_ppriv[i].used) { + global_ppriv[i].context = context; + global_ppriv[i].used = 1; + global_ppriv[i].sets[0] = setInit(); + global_ppriv[i].sets[1] = setInit(); + DRM_DEBUG("init allocation set, socket=%d, " + "context = %d\n", i, context); + break; + } + } + if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) || + (global_ppriv[i].sets[1] == NULL)) + { + return 0; + } + } + + return 1; +} + +int sis_final_context(struct drm_device *dev, int context) +{ + int i; + + for (i=0; i<MAX_CONTEXT; i++) { + if (global_ppriv[i].used && + (global_ppriv[i].context == context)) + break; + } + + if (i < MAX_CONTEXT) { + set_t *set; + unsigned int item; + int retval; + + DRM_DEBUG("find socket %d, context = %d\n", i, context); + + /* Video Memory */ + set = global_ppriv[i].sets[0]; + retval = setFirst(set, &item); + while (retval) { + DRM_DEBUG("free video memory 0x%x\n", item); +#if defined(__linux__) && defined(CONFIG_FB_SIS) + sis_free(item); +#else + mmFreeMem((PMemBlock)item); +#endif + retval = setNext(set, &item); + } + setDestroy(set); + + /* AGP Memory */ + set = global_ppriv[i].sets[1]; + retval = setFirst(set, &item); + while (retval) { + DRM_DEBUG("free agp memory 0x%x\n", item); + mmFreeMem((PMemBlock)item); + retval = setNext(set, &item); + } + setDestroy(set); + + global_ppriv[i].used = 0; + } + + return 1; +} + +drm_ioctl_desc_t sis_ioctls[] = { + [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = { sis_fb_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = { sis_fb_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = { sis_ioctl_agp_init, 1, 1 }, + [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = { sis_ioctl_agp_alloc, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = { sis_ioctl_agp_free, 1, 0 }, + [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = { sis_fb_init, 1, 1 } +}; + +int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls); + diff --git a/drivers/char/drm/tdfx_drv.c b/drivers/char/drm/tdfx_drv.c new file mode 100644 index 0000000..0e7943e --- /dev/null +++ b/drivers/char/drm/tdfx_drv.c @@ -0,0 +1,107 @@ +/* tdfx_drv.c -- tdfx driver -*- linux-c -*- + * Created: Thu Oct 7 10:38:32 1999 by faith@precisioninsight.com + * + * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rickard E. (Rik) Faith <faith@valinux.com> + * Daryll Strauss <daryll@valinux.com> + * Gareth Hughes <gareth@valinux.com> + */ + +#include <linux/config.h> +#include "drmP.h" +#include "tdfx_drv.h" + +#include "drm_pciids.h" + +static int postinit( struct drm_device *dev, unsigned long flags ) +{ + DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", + DRIVER_NAME, + DRIVER_MAJOR, + DRIVER_MINOR, + DRIVER_PATCHLEVEL, + DRIVER_DATE, + dev->primary.minor, + pci_pretty_name(dev->pdev) + ); + return 0; +} + +static int version( drm_version_t *version ) +{ + int len; + + version->version_major = DRIVER_MAJOR; + version->version_minor = DRIVER_MINOR; + version->version_patchlevel = DRIVER_PATCHLEVEL; + DRM_COPY( version->name, DRIVER_NAME ); + DRM_COPY( version->date, DRIVER_DATE ); + DRM_COPY( version->desc, DRIVER_DESC ); + return 0; +} + +static struct pci_device_id pciidlist[] = { + tdfx_PCI_IDS +}; + +static struct drm_driver driver = { + .driver_features = DRIVER_USE_MTRR, + .reclaim_buffers = drm_core_reclaim_buffers, + .get_map_ofs = drm_core_get_map_ofs, + .get_reg_ofs = drm_core_get_reg_ofs, + .postinit = postinit, + .version = version, + .fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, + .ioctl = drm_ioctl, + .mmap = drm_mmap, + .poll = drm_poll, + .fasync = drm_fasync, + }, + .pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + } +}; + +static int __init tdfx_init(void) +{ + return drm_init(&driver); +} + +static void __exit tdfx_exit(void) +{ + drm_exit(&driver); +} + +module_init(tdfx_init); +module_exit(tdfx_exit); + +MODULE_AUTHOR( DRIVER_AUTHOR ); +MODULE_DESCRIPTION( DRIVER_DESC ); +MODULE_LICENSE("GPL and additional rights"); diff --git a/drivers/char/drm/tdfx_drv.h b/drivers/char/drm/tdfx_drv.h new file mode 100644 index 0000000..a582a3d --- /dev/null +++ b/drivers/char/drm/tdfx_drv.h @@ -0,0 +1,50 @@ +/* tdfx.h -- 3dfx DRM template customization -*- linux-c -*- + * Created: Wed Feb 14 12:32:32 2001 by gareth@valinux.com + * + * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Gareth Hughes <gareth@valinux.com> + */ + +#ifndef __TDFX_H__ +#define __TDFX_H__ + +/* This remains constant for all DRM template files. + */ +#define DRM(x) tdfx_##x + +/* General customization: + */ + +#define DRIVER_AUTHOR "VA Linux Systems Inc." + +#define DRIVER_NAME "tdfx" +#define DRIVER_DESC "3dfx Banshee/Voodoo3+" +#define DRIVER_DATE "20010216" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#endif |