diff options
author | Fernando Guzman Lugo <x0095840@ti.com> | 2010-10-05 20:35:44 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-05 22:30:59 (GMT) |
commit | 2ab573487a98c06fdfb34308f641f09369d61fa2 (patch) | |
tree | 3981a45019b6c2b45381ecc259ba7bcd0641633a /drivers | |
parent | b1ced160af36043ee80d354318794753b6b7c008 (diff) | |
download | linux-fsl-qoriq-2ab573487a98c06fdfb34308f641f09369d61fa2.tar.xz |
staging: tidspbridge - remove dmm custom module
Dmm custom module is not needed anymore.
Signed-off-by: Fernando Guzman Lugo <x0095840@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/staging/tidspbridge/Makefile | 2 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/core/tiomap3430.c | 1 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dev.h | 24 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/dmm.h | 75 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/include/dspbridge/drv.h | 6 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/pmgr/dev.c | 61 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/pmgr/dmm.c | 533 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/rmgr/node.c | 28 | ||||
-rw-r--r-- | drivers/staging/tidspbridge/rmgr/proc.c | 23 |
9 files changed, 6 insertions, 747 deletions
diff --git a/drivers/staging/tidspbridge/Makefile b/drivers/staging/tidspbridge/Makefile index bd36651..7c122fad 100644 --- a/drivers/staging/tidspbridge/Makefile +++ b/drivers/staging/tidspbridge/Makefile @@ -5,7 +5,7 @@ libcore = core/chnl_sm.o core/msg_sm.o core/io_sm.o core/tiomap3430.o \ core/tiomap3430_pwr.o core/tiomap_io.o core/dsp-mmu.o \ core/ue_deh.o core/wdt.o core/dsp-clock.o core/sync.o libpmgr = pmgr/chnl.o pmgr/io.o pmgr/msg.o pmgr/cod.o pmgr/dev.o pmgr/dspapi.o \ - pmgr/dmm.o pmgr/cmm.o pmgr/dbll.o + pmgr/cmm.o pmgr/dbll.o librmgr = rmgr/dbdcd.o rmgr/disp.o rmgr/drv.o rmgr/mgr.o rmgr/node.o \ rmgr/proc.o rmgr/pwr.o rmgr/rmm.o rmgr/strm.o rmgr/dspdrv.o \ rmgr/nldr.o rmgr/drv_interface.o diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c index a95ff2f..f22bc12 100644 --- a/drivers/staging/tidspbridge/core/tiomap3430.c +++ b/drivers/staging/tidspbridge/core/tiomap3430.c @@ -47,7 +47,6 @@ /* ----------------------------------- Platform Manager */ #include <dspbridge/dev.h> #include <dspbridge/dspapi.h> -#include <dspbridge/dmm.h> #include <dspbridge/wdt.h> /* ----------------------------------- Local */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/dev.h b/drivers/staging/tidspbridge/include/dspbridge/dev.h index 357458f..9bdd48f 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/dev.h +++ b/drivers/staging/tidspbridge/include/dspbridge/dev.h @@ -27,7 +27,6 @@ #include <dspbridge/nodedefs.h> #include <dspbridge/dispdefs.h> #include <dspbridge/dspdefs.h> -#include <dspbridge/dmm.h> #include <dspbridge/host_os.h> /* ----------------------------------- This */ @@ -234,29 +233,6 @@ extern int dev_get_cmm_mgr(struct dev_object *hdev_obj, struct cmm_object **mgr); /* - * ======== dev_get_dmm_mgr ======== - * Purpose: - * Retrieve the handle to the dynamic memory manager created for this - * device. - * Parameters: - * hdev_obj: Handle to device object created with - * dev_create_device(). - * *mgr: Ptr to location to store handle. - * Returns: - * 0: Success. - * -EFAULT: Invalid hdev_obj. - * Requires: - * mgr != NULL. - * DEV Initialized. - * Ensures: - * 0: *mgr contains a handle to a channel manager object, - * or NULL. - * else: *mgr is NULL. - */ -extern int dev_get_dmm_mgr(struct dev_object *hdev_obj, - struct dmm_object **mgr); - -/* * ======== dev_get_cod_mgr ======== * Purpose: * Retrieve the COD manager create for this device. diff --git a/drivers/staging/tidspbridge/include/dspbridge/dmm.h b/drivers/staging/tidspbridge/include/dspbridge/dmm.h deleted file mode 100644 index 6c58335..0000000 --- a/drivers/staging/tidspbridge/include/dspbridge/dmm.h +++ /dev/null @@ -1,75 +0,0 @@ -/* - * dmm.h - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * The Dynamic Memory Mapping(DMM) module manages the DSP Virtual address - * space that can be directly mapped to any MPU buffer or memory region. - * - * Copyright (C) 2005-2006 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#ifndef DMM_ -#define DMM_ - -#include <dspbridge/dbdefs.h> - -struct dmm_object; - -/* DMM attributes used in dmm_create() */ -struct dmm_mgrattrs { - u32 reserved; -}; - -#define DMMPOOLSIZE 0x4000000 - -/* - * ======== dmm_get_handle ======== - * Purpose: - * Return the dynamic memory manager object for this device. - * This is typically called from the client process. - */ - -extern int dmm_get_handle(void *hprocessor, - struct dmm_object **dmm_manager); - -extern int dmm_reserve_memory(struct dmm_object *dmm_mgr, - u32 size, u32 *prsv_addr); - -extern int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, - u32 rsv_addr); - -extern int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, - u32 size); - -extern int dmm_un_map_memory(struct dmm_object *dmm_mgr, - u32 addr, u32 *psize); - -extern int dmm_destroy(struct dmm_object *dmm_mgr); - -extern int dmm_delete_tables(struct dmm_object *dmm_mgr); - -extern int dmm_create(struct dmm_object **dmm_manager, - struct dev_object *hdev_obj, - const struct dmm_mgrattrs *mgr_attrts); - -extern bool dmm_init(void); - -extern void dmm_exit(void); - -extern int dmm_create_tables(struct dmm_object *dmm_mgr, - u32 addr, u32 size); - -#ifdef DSP_DMM_DEBUG -u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr); -#endif - -#endif /* DMM_ */ diff --git a/drivers/staging/tidspbridge/include/dspbridge/drv.h b/drivers/staging/tidspbridge/include/dspbridge/drv.h index 427f38b..75a2c9b 100644 --- a/drivers/staging/tidspbridge/include/dspbridge/drv.h +++ b/drivers/staging/tidspbridge/include/dspbridge/drv.h @@ -108,12 +108,6 @@ struct dmm_map_object { struct bridge_dma_map_info dma_info; }; -/* Used for DMM reserved memory accounting */ -struct dmm_rsv_object { - struct list_head link; - u32 dsp_reserved_addr; -}; - /* New structure (member of process context) abstracts DMM resource info */ struct dspheap_res_object { s32 heap_allocated; /* DMM status */ diff --git a/drivers/staging/tidspbridge/pmgr/dev.c b/drivers/staging/tidspbridge/pmgr/dev.c index e3c78fb..7b30267 100644 --- a/drivers/staging/tidspbridge/pmgr/dev.c +++ b/drivers/staging/tidspbridge/pmgr/dev.c @@ -34,7 +34,6 @@ #include <dspbridge/cod.h> #include <dspbridge/drv.h> #include <dspbridge/proc.h> -#include <dspbridge/dmm.h> /* ----------------------------------- Resource Manager */ #include <dspbridge/mgr.h> @@ -75,7 +74,6 @@ struct dev_object { struct msg_mgr *hmsg_mgr; /* Message manager. */ struct io_mgr *hio_mgr; /* IO manager (CHNL, msg_ctrl) */ struct cmm_object *hcmm_mgr; /* SM memory manager. */ - struct dmm_object *dmm_mgr; /* Dynamic memory manager. */ struct ldr_module *module_obj; /* Bridge Module handle. */ u32 word_size; /* DSP word size: quick access. */ struct drv_object *hdrv_obj; /* Driver Object */ @@ -250,9 +248,6 @@ int dev_create_device(struct dev_object **device_obj, /* Instantiate the DEH module */ status = bridge_deh_create(&dev_obj->hdeh_mgr, dev_obj); } - /* Create DMM mgr . */ - status = dmm_create(&dev_obj->dmm_mgr, - (struct dev_object *)dev_obj, NULL); } /* Add the new DEV_Object to the global list: */ if (!status) { @@ -278,8 +273,6 @@ leave: kfree(dev_obj->proc_list); if (dev_obj->cod_mgr) cod_delete(dev_obj->cod_mgr); - if (dev_obj->dmm_mgr) - dmm_destroy(dev_obj->dmm_mgr); kfree(dev_obj); } @@ -389,11 +382,6 @@ int dev_destroy_device(struct dev_object *hdev_obj) dev_obj->hcmm_mgr = NULL; } - if (dev_obj->dmm_mgr) { - dmm_destroy(dev_obj->dmm_mgr); - dev_obj->dmm_mgr = NULL; - } - /* Call the driver's bridge_dev_destroy() function: */ /* Require of DevDestroy */ if (dev_obj->hbridge_context) { @@ -474,32 +462,6 @@ int dev_get_cmm_mgr(struct dev_object *hdev_obj, } /* - * ======== dev_get_dmm_mgr ======== - * Purpose: - * Retrieve the handle to the dynamic memory manager created for this - * device. - */ -int dev_get_dmm_mgr(struct dev_object *hdev_obj, - struct dmm_object **mgr) -{ - int status = 0; - struct dev_object *dev_obj = hdev_obj; - - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(mgr != NULL); - - if (hdev_obj) { - *mgr = dev_obj->dmm_mgr; - } else { - *mgr = NULL; - status = -EFAULT; - } - - DBC_ENSURE(!status || (mgr != NULL && *mgr == NULL)); - return status; -} - -/* * ======== dev_get_cod_mgr ======== * Purpose: * Retrieve the COD manager create for this device. @@ -751,10 +713,8 @@ void dev_exit(void) refs--; - if (refs == 0) { + if (refs == 0) cmm_exit(); - dmm_exit(); - } DBC_ENSURE(refs >= 0); } @@ -766,25 +726,12 @@ void dev_exit(void) */ bool dev_init(void) { - bool cmm_ret, dmm_ret, ret = true; + bool ret = true; DBC_REQUIRE(refs >= 0); - if (refs == 0) { - cmm_ret = cmm_init(); - dmm_ret = dmm_init(); - - ret = cmm_ret && dmm_ret; - - if (!ret) { - if (cmm_ret) - cmm_exit(); - - if (dmm_ret) - dmm_exit(); - - } - } + if (refs == 0) + ret = cmm_init(); if (ret) refs++; diff --git a/drivers/staging/tidspbridge/pmgr/dmm.c b/drivers/staging/tidspbridge/pmgr/dmm.c deleted file mode 100644 index 8685233..0000000 --- a/drivers/staging/tidspbridge/pmgr/dmm.c +++ /dev/null @@ -1,533 +0,0 @@ -/* - * dmm.c - * - * DSP-BIOS Bridge driver support functions for TI OMAP processors. - * - * The Dynamic Memory Manager (DMM) module manages the DSP Virtual address - * space that can be directly mapped to any MPU buffer or memory region - * - * Notes: - * Region: Generic memory entitiy having a start address and a size - * Chunk: Reserved region - * - * Copyright (C) 2005-2006 Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ -#include <linux/types.h> - -/* ----------------------------------- Host OS */ -#include <dspbridge/host_os.h> - -/* ----------------------------------- DSP/BIOS Bridge */ -#include <dspbridge/dbdefs.h> - -/* ----------------------------------- Trace & Debug */ -#include <dspbridge/dbc.h> - -/* ----------------------------------- OS Adaptation Layer */ -#include <dspbridge/sync.h> - -/* ----------------------------------- Platform Manager */ -#include <dspbridge/dev.h> -#include <dspbridge/proc.h> - -/* ----------------------------------- This */ -#include <dspbridge/dmm.h> - -/* ----------------------------------- Defines, Data Structures, Typedefs */ -#define DMM_ADDR_VIRTUAL(a) \ - (((struct map_page *)(a) - virtual_mapping_table) * PG_SIZE4K +\ - dyn_mem_map_beg) -#define DMM_ADDR_TO_INDEX(a) (((a) - dyn_mem_map_beg) / PG_SIZE4K) - -/* DMM Mgr */ -struct dmm_object { - /* Dmm Lock is used to serialize access mem manager for - * multi-threads. */ - spinlock_t dmm_lock; /* Lock to access dmm mgr */ -}; - -/* ----------------------------------- Globals */ -static u32 refs; /* module reference count */ -struct map_page { - u32 region_size:15; - u32 mapped_size:15; - u32 reserved:1; - u32 mapped:1; -}; - -/* Create the free list */ -static struct map_page *virtual_mapping_table; -static u32 free_region; /* The index of free region */ -static u32 free_size; -static u32 dyn_mem_map_beg; /* The Beginning of dynamic memory mapping */ -static u32 table_size; /* The size of virt and phys pages tables */ - -/* ----------------------------------- Function Prototypes */ -static struct map_page *get_region(u32 addr); -static struct map_page *get_free_region(u32 len); -static struct map_page *get_mapped_region(u32 addrs); - -/* ======== dmm_create_tables ======== - * Purpose: - * Create table to hold the information of physical address - * the buffer pages that is passed by the user, and the table - * to hold the information of the virtual memory that is reserved - * for DSP. - */ -int dmm_create_tables(struct dmm_object *dmm_mgr, u32 addr, u32 size) -{ - struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; - int status = 0; - - status = dmm_delete_tables(dmm_obj); - if (!status) { - dyn_mem_map_beg = addr; - table_size = PG_ALIGN_HIGH(size, PG_SIZE4K) / PG_SIZE4K; - /* Create the free list */ - virtual_mapping_table = __vmalloc(table_size * - sizeof(struct map_page), GFP_KERNEL | - __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); - if (virtual_mapping_table == NULL) - status = -ENOMEM; - else { - /* On successful allocation, - * all entries are zero ('free') */ - free_region = 0; - free_size = table_size * PG_SIZE4K; - virtual_mapping_table[0].region_size = table_size; - } - } - - if (status) - pr_err("%s: failure, status 0x%x\n", __func__, status); - - return status; -} - -/* - * ======== dmm_create ======== - * Purpose: - * Create a dynamic memory manager object. - */ -int dmm_create(struct dmm_object **dmm_manager, - struct dev_object *hdev_obj, - const struct dmm_mgrattrs *mgr_attrts) -{ - struct dmm_object *dmm_obj = NULL; - int status = 0; - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dmm_manager != NULL); - - *dmm_manager = NULL; - /* create, zero, and tag a cmm mgr object */ - dmm_obj = kzalloc(sizeof(struct dmm_object), GFP_KERNEL); - if (dmm_obj != NULL) { - spin_lock_init(&dmm_obj->dmm_lock); - *dmm_manager = dmm_obj; - } else { - status = -ENOMEM; - } - - return status; -} - -/* - * ======== dmm_destroy ======== - * Purpose: - * Release the communication memory manager resources. - */ -int dmm_destroy(struct dmm_object *dmm_mgr) -{ - struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; - int status = 0; - - DBC_REQUIRE(refs > 0); - if (dmm_mgr) { - status = dmm_delete_tables(dmm_obj); - if (!status) - kfree(dmm_obj); - } else - status = -EFAULT; - - return status; -} - -/* - * ======== dmm_delete_tables ======== - * Purpose: - * Delete DMM Tables. - */ -int dmm_delete_tables(struct dmm_object *dmm_mgr) -{ - int status = 0; - - DBC_REQUIRE(refs > 0); - /* Delete all DMM tables */ - if (dmm_mgr) - vfree(virtual_mapping_table); - else - status = -EFAULT; - return status; -} - -/* - * ======== dmm_exit ======== - * Purpose: - * Discontinue usage of module; free resources when reference count - * reaches 0. - */ -void dmm_exit(void) -{ - DBC_REQUIRE(refs > 0); - - refs--; -} - -/* - * ======== dmm_get_handle ======== - * Purpose: - * Return the dynamic memory manager object for this device. - * This is typically called from the client process. - */ -int dmm_get_handle(void *hprocessor, struct dmm_object **dmm_manager) -{ - int status = 0; - struct dev_object *hdev_obj; - - DBC_REQUIRE(refs > 0); - DBC_REQUIRE(dmm_manager != NULL); - if (hprocessor != NULL) - status = proc_get_dev_object(hprocessor, &hdev_obj); - else - hdev_obj = dev_get_first(); /* default */ - - if (!status) - status = dev_get_dmm_mgr(hdev_obj, dmm_manager); - - return status; -} - -/* - * ======== dmm_init ======== - * Purpose: - * Initializes private state of DMM module. - */ -bool dmm_init(void) -{ - bool ret = true; - - DBC_REQUIRE(refs >= 0); - - if (ret) - refs++; - - DBC_ENSURE((ret && (refs > 0)) || (!ret && (refs >= 0))); - - virtual_mapping_table = NULL; - table_size = 0; - - return ret; -} - -/* - * ======== dmm_map_memory ======== - * Purpose: - * Add a mapping block to the reserved chunk. DMM assumes that this block - * will be mapped in the DSP/IVA's address space. DMM returns an error if a - * mapping overlaps another one. This function stores the info that will be - * required later while unmapping the block. - */ -int dmm_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 size) -{ - struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; - struct map_page *chunk; - int status = 0; - - spin_lock(&dmm_obj->dmm_lock); - /* Find the Reserved memory chunk containing the DSP block to - * be mapped */ - chunk = (struct map_page *)get_region(addr); - if (chunk != NULL) { - /* Mark the region 'mapped', leave the 'reserved' info as-is */ - chunk->mapped = true; - chunk->mapped_size = (size / PG_SIZE4K); - } else - status = -ENOENT; - spin_unlock(&dmm_obj->dmm_lock); - - dev_dbg(bridge, "%s dmm_mgr %p, addr %x, size %x\n\tstatus %x, " - "chunk %p", __func__, dmm_mgr, addr, size, status, chunk); - - return status; -} - -/* - * ======== dmm_reserve_memory ======== - * Purpose: - * Reserve a chunk of virtually contiguous DSP/IVA address space. - */ -int dmm_reserve_memory(struct dmm_object *dmm_mgr, u32 size, - u32 *prsv_addr) -{ - int status = 0; - struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; - struct map_page *node; - u32 rsv_addr = 0; - u32 rsv_size = 0; - - spin_lock(&dmm_obj->dmm_lock); - - /* Try to get a DSP chunk from the free list */ - node = get_free_region(size); - if (node != NULL) { - /* DSP chunk of given size is available. */ - rsv_addr = DMM_ADDR_VIRTUAL(node); - /* Calculate the number entries to use */ - rsv_size = size / PG_SIZE4K; - if (rsv_size < node->region_size) { - /* Mark remainder of free region */ - node[rsv_size].mapped = false; - node[rsv_size].reserved = false; - node[rsv_size].region_size = - node->region_size - rsv_size; - node[rsv_size].mapped_size = 0; - } - /* get_region will return first fit chunk. But we only use what - is requested. */ - node->mapped = false; - node->reserved = true; - node->region_size = rsv_size; - node->mapped_size = 0; - /* Return the chunk's starting address */ - *prsv_addr = rsv_addr; - } else - /*dSP chunk of given size is not available */ - status = -ENOMEM; - - spin_unlock(&dmm_obj->dmm_lock); - - dev_dbg(bridge, "%s dmm_mgr %p, size %x, prsv_addr %p\n\tstatus %x, " - "rsv_addr %x, rsv_size %x\n", __func__, dmm_mgr, size, - prsv_addr, status, rsv_addr, rsv_size); - - return status; -} - -/* - * ======== dmm_un_map_memory ======== - * Purpose: - * Remove the mapped block from the reserved chunk. - */ -int dmm_un_map_memory(struct dmm_object *dmm_mgr, u32 addr, u32 *psize) -{ - struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; - struct map_page *chunk; - int status = 0; - - spin_lock(&dmm_obj->dmm_lock); - chunk = get_mapped_region(addr); - if (chunk == NULL) - status = -ENOENT; - - if (!status) { - /* Unmap the region */ - *psize = chunk->mapped_size * PG_SIZE4K; - chunk->mapped = false; - chunk->mapped_size = 0; - } - spin_unlock(&dmm_obj->dmm_lock); - - dev_dbg(bridge, "%s: dmm_mgr %p, addr %x, psize %p\n\tstatus %x, " - "chunk %p\n", __func__, dmm_mgr, addr, psize, status, chunk); - - return status; -} - -/* - * ======== dmm_un_reserve_memory ======== - * Purpose: - * Free a chunk of reserved DSP/IVA address space. - */ -int dmm_un_reserve_memory(struct dmm_object *dmm_mgr, u32 rsv_addr) -{ - struct dmm_object *dmm_obj = (struct dmm_object *)dmm_mgr; - struct map_page *chunk; - u32 i; - int status = 0; - u32 chunk_size; - - spin_lock(&dmm_obj->dmm_lock); - - /* Find the chunk containing the reserved address */ - chunk = get_mapped_region(rsv_addr); - if (chunk == NULL) - status = -ENOENT; - - if (!status) { - /* Free all the mapped pages for this reserved region */ - i = 0; - while (i < chunk->region_size) { - if (chunk[i].mapped) { - /* Remove mapping from the page tables. */ - chunk_size = chunk[i].mapped_size; - /* Clear the mapping flags */ - chunk[i].mapped = false; - chunk[i].mapped_size = 0; - i += chunk_size; - } else - i++; - } - /* Clear the flags (mark the region 'free') */ - chunk->reserved = false; - /* NOTE: We do NOT coalesce free regions here. - * Free regions are coalesced in get_region(), as it traverses - *the whole mapping table - */ - } - spin_unlock(&dmm_obj->dmm_lock); - - dev_dbg(bridge, "%s: dmm_mgr %p, rsv_addr %x\n\tstatus %x chunk %p", - __func__, dmm_mgr, rsv_addr, status, chunk); - - return status; -} - -/* - * ======== get_region ======== - * Purpose: - * Returns a region containing the specified memory region - */ -static struct map_page *get_region(u32 addr) -{ - struct map_page *curr_region = NULL; - u32 i = 0; - - if (virtual_mapping_table != NULL) { - /* find page mapped by this address */ - i = DMM_ADDR_TO_INDEX(addr); - if (i < table_size) - curr_region = virtual_mapping_table + i; - } - - dev_dbg(bridge, "%s: curr_region %p, free_region %d, free_size %d\n", - __func__, curr_region, free_region, free_size); - return curr_region; -} - -/* - * ======== get_free_region ======== - * Purpose: - * Returns the requested free region - */ -static struct map_page *get_free_region(u32 len) -{ - struct map_page *curr_region = NULL; - u32 i = 0; - u32 region_size = 0; - u32 next_i = 0; - - if (virtual_mapping_table == NULL) - return curr_region; - if (len > free_size) { - /* Find the largest free region - * (coalesce during the traversal) */ - while (i < table_size) { - region_size = virtual_mapping_table[i].region_size; - next_i = i + region_size; - if (virtual_mapping_table[i].reserved == false) { - /* Coalesce, if possible */ - if (next_i < table_size && - virtual_mapping_table[next_i].reserved - == false) { - virtual_mapping_table[i].region_size += - virtual_mapping_table - [next_i].region_size; - continue; - } - region_size *= PG_SIZE4K; - if (region_size > free_size) { - free_region = i; - free_size = region_size; - } - } - i = next_i; - } - } - if (len <= free_size) { - curr_region = virtual_mapping_table + free_region; - free_region += (len / PG_SIZE4K); - free_size -= len; - } - return curr_region; -} - -/* - * ======== get_mapped_region ======== - * Purpose: - * Returns the requestedmapped region - */ -static struct map_page *get_mapped_region(u32 addrs) -{ - u32 i = 0; - struct map_page *curr_region = NULL; - - if (virtual_mapping_table == NULL) - return curr_region; - - i = DMM_ADDR_TO_INDEX(addrs); - if (i < table_size && (virtual_mapping_table[i].mapped || - virtual_mapping_table[i].reserved)) - curr_region = virtual_mapping_table + i; - return curr_region; -} - -#ifdef DSP_DMM_DEBUG -u32 dmm_mem_map_dump(struct dmm_object *dmm_mgr) -{ - struct map_page *curr_node = NULL; - u32 i; - u32 freemem = 0; - u32 bigsize = 0; - - spin_lock(&dmm_mgr->dmm_lock); - - if (virtual_mapping_table != NULL) { - for (i = 0; i < table_size; i += - virtual_mapping_table[i].region_size) { - curr_node = virtual_mapping_table + i; - if (curr_node->reserved) { - /*printk("RESERVED size = 0x%x, " - "Map size = 0x%x\n", - (curr_node->region_size * PG_SIZE4K), - (curr_node->mapped == false) ? 0 : - (curr_node->mapped_size * PG_SIZE4K)); - */ - } else { -/* printk("UNRESERVED size = 0x%x\n", - (curr_node->region_size * PG_SIZE4K)); - */ - freemem += (curr_node->region_size * PG_SIZE4K); - if (curr_node->region_size > bigsize) - bigsize = curr_node->region_size; - } - } - } - spin_unlock(&dmm_mgr->dmm_lock); - printk(KERN_INFO "Total DSP VA FREE memory = %d Mbytes\n", - freemem / (1024 * 1024)); - printk(KERN_INFO "Total DSP VA USED memory= %d Mbytes \n", - (((table_size * PG_SIZE4K) - freemem)) / (1024 * 1024)); - printk(KERN_INFO "DSP VA - Biggest FREE block = %d Mbytes \n\n", - (bigsize * PG_SIZE4K / (1024 * 1024))); - - return 0; -} -#endif diff --git a/drivers/staging/tidspbridge/rmgr/node.c b/drivers/staging/tidspbridge/rmgr/node.c index ccb1811..a660247 100644 --- a/drivers/staging/tidspbridge/rmgr/node.c +++ b/drivers/staging/tidspbridge/rmgr/node.c @@ -56,7 +56,6 @@ /* ----------------------------------- This */ #include <dspbridge/nodepriv.h> #include <dspbridge/node.h> -#include <dspbridge/dmm.h> /* Static/Dynamic Loader includes */ #include <dspbridge/dbll.h> @@ -317,10 +316,6 @@ int node_allocate(struct proc_object *hprocessor, u32 mapped_addr = 0; u32 map_attrs = 0x0; struct dsp_processorstate proc_state; -#ifdef DSP_DMM_DEBUG - struct dmm_object *dmm_mgr; - struct proc_object *p_proc_object = (struct proc_object *)hprocessor; -#endif void *node_res; @@ -430,16 +425,6 @@ int node_allocate(struct proc_object *hprocessor, if (status) goto func_cont; -#ifdef DSP_DMM_DEBUG - status = dmm_get_handle(p_proc_object, &dmm_mgr); - if (!dmm_mgr) { - status = DSP_EHANDLE; - goto func_cont; - } - - dmm_mem_map_dump(dmm_mgr); -#endif - map_attrs |= DSP_MAPLITTLEENDIAN; map_attrs |= DSP_MAPELEMSIZE32; map_attrs |= DSP_MAPVIRTUALADDR; @@ -2499,11 +2484,7 @@ static void delete_node(struct node_object *hnode, struct stream_chnl stream; struct node_msgargs node_msg_args; struct node_taskargs task_arg_obj; -#ifdef DSP_DMM_DEBUG - struct dmm_object *dmm_mgr; - struct proc_object *p_proc_object = - (struct proc_object *)hnode->hprocessor; -#endif + int status; if (!hnode) goto func_end; @@ -2564,13 +2545,6 @@ static void delete_node(struct node_object *hnode, status = proc_un_map(hnode->hprocessor, (void *) task_arg_obj.udsp_heap_addr, pr_ctxt); -#ifdef DSP_DMM_DEBUG - status = dmm_get_handle(p_proc_object, &dmm_mgr); - if (dmm_mgr) - dmm_mem_map_dump(dmm_mgr); - else - status = DSP_EHANDLE; -#endif } } if (node_type != NODE_MESSAGE) { diff --git a/drivers/staging/tidspbridge/rmgr/proc.c b/drivers/staging/tidspbridge/rmgr/proc.c index 429f354..7a15a02 100644 --- a/drivers/staging/tidspbridge/rmgr/proc.c +++ b/drivers/staging/tidspbridge/rmgr/proc.c @@ -39,7 +39,6 @@ #include <dspbridge/cod.h> #include <dspbridge/dev.h> #include <dspbridge/procpriv.h> -#include <dspbridge/dmm.h> /* ----------------------------------- Resource Manager */ #include <dspbridge/mgr.h> @@ -1078,7 +1077,6 @@ int proc_load(void *hprocessor, const s32 argc_index, s32 cnew_envp; /* " " in new_envp[] */ s32 nproc_id = 0; /* Anticipate MP version. */ struct dcd_manager *hdcd_handle; - struct dmm_object *dmm_mgr; u32 dw_ext_end; u32 proc_id; int brd_state; @@ -1269,25 +1267,6 @@ int proc_load(void *hprocessor, const s32 argc_index, if (!status) status = cod_get_sym_value(cod_mgr, EXTEND, &dw_ext_end); - - /* Reset DMM structs and add an initial free chunk */ - if (!status) { - status = - dev_get_dmm_mgr(p_proc_object->hdev_obj, - &dmm_mgr); - if (dmm_mgr) { - /* Set dw_ext_end to DMM START u8 - * address */ - dw_ext_end = - (dw_ext_end + 1) * DSPWORDSIZE; - /* DMM memory is from EXT_END */ - status = dmm_create_tables(dmm_mgr, - dw_ext_end, - DMMPOOLSIZE); - } else { - status = -EFAULT; - } - } } } /* Restore the original argv[0] */ @@ -1390,7 +1369,6 @@ int proc_map(void *hprocessor, void *pmpu_addr, u32 ul_size, map_obj->dsp_addr = (va_align | ((u32)pmpu_addr & (PG_SIZE4K - 1))); *pp_map_addr = (void *)map_obj->dsp_addr; - pr_err("%s: mapped address %x\n", __func__, *pp_map_addr); } else { remove_mapping_information(pr_ctxt, va_align); } @@ -1633,7 +1611,6 @@ int proc_un_map(void *hprocessor, void *map_addr, int status = 0; struct proc_object *p_proc_object = (struct proc_object *)hprocessor; u32 va_align; - u32 size_align; va_align = PG_ALIGN_LOW((u32) map_addr, PG_SIZE4K); if (!p_proc_object) { |