diff options
Diffstat (limited to 'drivers/video/virgefb.c')
| -rw-r--r-- | drivers/video/virgefb.c | 2526 |
1 files changed, 0 insertions, 2526 deletions
diff --git a/drivers/video/virgefb.c b/drivers/video/virgefb.c deleted file mode 100644 index b9fb6fb..0000000 --- a/drivers/video/virgefb.c +++ /dev/null @@ -1,2526 +0,0 @@ -/* - * linux/drivers/video/virgefb.c -- CyberVision64/3D frame buffer device - * - * Copyright (C) 1997 André Heynatz - * - * - * This file is based on the CyberVision frame buffer device (cyberfb.c): - * - * Copyright (C) 1996 Martin Apel - * Geert Uytterhoeven - * - * Zorro II additions : - * - * Copyright (C) 1998-2000 Christian T. Steigies - * - * Initialization additions : - * - * Copyright (C) 1998-2000 Ken Tyler - * - * Parts of the Initialization code are based on Cyberfb.c by Allan Bair, - * and on the NetBSD CyberVision64 frame buffer driver by Michael Teske who gave - * permission for its use. - * - * Many thanks to Frank Mariak for his assistance with ZORRO 2 access and other - * mysteries. - * - * - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -#undef VIRGEFBDEBUG -#undef VIRGEFBDUMP - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/zorro.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/amigahw.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <video/fbcon.h> -#include <video/fbcon-cfb8.h> -#include <video/fbcon-cfb16.h> -#include <video/fbcon-cfb32.h> - -#include "virgefb.h" - -#ifdef VIRGEFBDEBUG -#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) -#else -#define DPRINTK(fmt, args...) -#endif - -#ifdef VIRGEFBDUMP -static void cv64_dump(void); -#define DUMP cv64_dump() -#else -#define DUMP -#endif - -/* - * Macros for register access and zorro control - */ - -static inline void mb_inline(void) { mb(); } /* for use in comma expressions */ - -/* Set zorro 2 map */ - -#define SelectIO \ - mb(); \ - if (on_zorro2) { \ - (*(volatile u16 *)((u8 *)(vcode_switch_base + 0x04)) = 0x01); \ - mb(); \ - } - -#define SelectMMIO \ - mb(); \ - if (on_zorro2) { \ - (*(volatile u16 *)((u8 *)(vcode_switch_base + 0x04)) = 0x02); \ - mb(); \ - } - -#define SelectCFG \ - mb(); \ - if (on_zorro2) { \ - (*(volatile u16 *)((u8 *)(vcode_switch_base + 0x04)) = 0x03); \ - mb(); \ - } - -/* Set pass through, 0 = amiga, !=0 = cv64/3d */ - -#define SetVSwitch(x) \ - mb(); \ - (*(volatile u16 *)((u8 *)(vcode_switch_base)) = \ - (u16)(x ? 0 : 1)); \ - mb(); - -/* Zorro2 endian 'aperture' */ - -#define ENDIAN_BYTE 2 -#define ENDIAN_WORD 1 -#define ENDIAN_LONG 0 - -#define Select_Zorro2_FrameBuffer(x) \ - do { \ - if (on_zorro2) { \ - mb(); \ - (*(volatile u16 *)((u8 *)(vcode_switch_base + 0x08)) = \ - (x * 0x40)); \ - mb(); \ - } \ - } while (0) - -/* SetPortVal - only used for interrupt enable (not yet implemented) */ - -#if 0 -#define SetPortVal(x) \ - mb(); \ - (*(volatile u16 *)((u8 *)(vcode_switch_base + 0x0c)) = \ - (u16)x); \ - mb(); -#endif - -/* IO access */ - -#define byte_access_io(x) (((x) & 0x3ffc) | (((x) & 3)^3) | (((x) & 3) <<14)) -#define byte_access_mmio(x) (((x) & 0xfffc) | (((x) & 3)^3)) - -/* Write 8 bit VGA register - used once for chip wakeup */ - -#define wb_vgaio(reg, dat) \ - SelectIO; \ - (*(volatile u8 *)(vgaio_regs + ((u32)byte_access_io(reg) & 0xffff)) = \ - (dat & 0xff)); \ - SelectMMIO; - -/* Read 8 bit VGA register - only used in dump (SelectIO not needed on read ?) */ - -#ifdef VIRGEFBDUMP -#define rb_vgaio(reg) \ - ({ \ - u8 __zzyzx; \ - SelectIO; \ - __zzyzx = (*(volatile u8 *)((vgaio_regs)+(u32)byte_access_io(reg))); \ - SelectMMIO; \ - __zzyzx; \ - }) -#endif - -/* MMIO access */ - -/* Read 8 bit MMIO register */ - -#define rb_mmio(reg) \ - (mb_inline(), \ - (*(volatile u8 *)(mmio_regs + 0x8000 + (u32)byte_access_mmio(reg)))) - -/* Write 8 bit MMIO register */ - -#define wb_mmio(reg,dat) \ - mb(); \ - (*(volatile u8 *)(mmio_regs + 0x8000 + (byte_access_mmio((reg) & 0xffff))) = \ - (dat & 0xff)); \ - mb(); - -/* Read 32 bit MMIO register */ - -#define rl_mmio(reg) \ - (mb_inline(), \ - (*((volatile u32 *)((u8 *)((mmio_regs + (on_zorro2 ? 0x20000 : 0)) + (reg)))))) - -/* Write 32 bit MMIO register */ - -#define wl_mmio(reg,dat) \ - mb(); \ - ((*(volatile u32 *)((u8 *)((mmio_regs + (on_zorro2 ? 0x20000 : 0)) + (reg)))) = \ - (u32)(dat)); \ - mb(); - -/* Write to virge graphics register */ - -#define wgfx(reg, dat) do { wb_mmio(GCT_ADDRESS, (reg)); wb_mmio(GCT_ADDRESS_W, (dat)); } while (0) - -/* Write to virge sequencer register */ - -#define wseq(reg, dat) do { wb_mmio(SEQ_ADDRESS, (reg)); wb_mmio(SEQ_ADDRESS_W, (dat)); } while (0) - -/* Write to virge CRT controller register */ - -#define wcrt(reg, dat) do { wb_mmio(CRT_ADDRESS, (reg)); wb_mmio(CRT_ADDRESS_W, (dat)); } while (0) - -/* Write to virge attribute register */ - -#define watr(reg, dat) \ - do { \ - volatile unsigned char watr_tmp; \ - watr_tmp = rb_mmio(ACT_ADDRESS_RESET); \ - wb_mmio(ACT_ADDRESS_W, (reg)); \ - wb_mmio(ACT_ADDRESS_W, (dat)); \ - udelay(10); \ - } while (0) - -/* end of macros */ - -struct virgefb_par { - struct fb_var_screeninfo var; - __u32 type; - __u32 type_aux; - __u32 visual; - __u32 line_length; -}; - -static struct virgefb_par current_par; - -static int current_par_valid = 0; - -static struct display disp; -static struct fb_info fb_info; - -static union { -#ifdef FBCON_HAS_CFB16 - u16 cfb16[16]; -#endif -#ifdef FBCON_HAS_CFB32 - u32 cfb32[16]; -#endif -} fbcon_cmap; - -/* - * Switch for Chipset Independency - */ - -static struct fb_hwswitch { - - /* Initialisation */ - - int (*init)(void); - - /* Display Control */ - - int (*encode_fix)(struct fb_fix_screeninfo *fix, struct virgefb_par *par); - int (*decode_var)(struct fb_var_screeninfo *var, struct virgefb_par *par); - int (*encode_var)(struct fb_var_screeninfo *var, struct virgefb_par *par); - int (*getcolreg)(u_int regno, u_int *red, u_int *green, u_int *blue, - u_int *transp, struct fb_info *info); - void (*blank)(int blank); -} *fbhw; - -static unsigned char blit_maybe_busy = 0; - -/* - * Frame Buffer Name - */ - -static char virgefb_name[16] = "CyberVision/3D"; - -/* - * CyberVision64/3d Graphics Board - */ - -static unsigned char virgefb_colour_table [256][3]; -static unsigned long v_ram; -static unsigned long v_ram_size; -static volatile unsigned char *mmio_regs; -static volatile unsigned char *vgaio_regs; - -static unsigned long v_ram_phys; -static unsigned long mmio_regs_phys; -static unsigned long vcode_switch_base; -static unsigned char on_zorro2; - -/* - * Offsets from start of video ram to appropriate ZIII aperture - */ - -#ifdef FBCON_HAS_CFB8 -#define CYBMEM_OFFSET_8 0x800000 /* BGRX */ -#endif -#ifdef FBCON_HAS_CFB16 -#define CYBMEM_OFFSET_16 0x400000 /* GBXR */ -#endif -#ifdef FBCON_HAS_CFB32 -#define CYBMEM_OFFSET_32 0x000000 /* XRGB */ -#endif - -/* - * MEMCLOCK was 32MHz, 64MHz works, 72MHz doesn't (on my board) - */ - -#define MEMCLOCK 50000000 - -/* - * Predefined Video Modes - */ - -static struct { - const char *name; - struct fb_var_screeninfo var; -} virgefb_predefined[] __initdata = { -#ifdef FBCON_HAS_CFB8 - { - "640x480-8", { /* Cybervision 8 bpp */ - 640, 480, 640, 480, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 31250, 160, 136, 82, 61, 88, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "768x576-8", { /* Cybervision 8 bpp */ - 768, 576, 768, 576, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 29411, 144, 112, 32, 15, 64, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "800x600-8", { /* Cybervision 8 bpp */ - 800, 600, 800, 600, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 28571, 168, 104, 22, 1, 48, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - #if 0 - "1024x768-8", { /* Cybervision 8 bpp */ - 1024, 768, 1024, 768, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 20833, 272, 168, 39, 2, 72, 1, - 0, FB_VMODE_NONINTERLACED - } - #else - "1024x768-8", { - 1024, 768, 1024, 768, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - #if 0 - 0, 0, -1, -1, FB_ACCELF_TEXT, 12500, 184, 40, 40, 2, 96, 1, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - #else - 0, 0, -1, -1, FB_ACCELF_TEXT, 12699, 176, 16, 28, 1, 96, 3, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - #endif - #endif - }, { - "1152x886-8", { /* Cybervision 8 bpp */ - 1152, 886, 1152, 886, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 19230, 280, 168, 45, 1, 64, 10, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1280x1024-8", { /* Cybervision 8 bpp */ - 1280, 1024, 1280, 1024, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - #if 0 - 0, 0, -1, -1, FB_ACCELF_TEXT, 17857, 232, 232, 71, 15, 176, 12, - } - #else - 0, 0, -1, -1, FB_ACCELF_TEXT, 7414, 232, 64, 38, 1, 112, 3, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - #endif - }, { - "1600x1200-8", { /* Cybervision 8 bpp */ - 1600, 1200, 1600, 1200, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - #if 0 - 0, 0, -1, -1, FB_ACCELF_TEXT, 13698, 336, 224, 77, 15, 176, 12, - 0, FB_VMODE_NONINTERLACED - } - #else - 0, 0, -1, -1, FB_ACCELF_TEXT, 6411, 256, 32, 52, 10, 160, 8, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - #endif - }, -#endif - -#ifdef FBCON_HAS_CFB16 - { - "640x480-16", { /* Cybervision 16 bpp */ - 640, 480, 640, 480, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 31250, 152, 144, 82, 61, 88, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "768x576-16", { /* Cybervision 16 bpp */ - 768, 576, 768, 576, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 29411, 144, 112, 32, 15, 64, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "800x600-16", { /* Cybervision 16 bpp */ - 800, 600, 800, 600, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 28571, 168, 104, 22, 1, 48, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { -#if 0 - "1024x768-16", { /* Cybervision 16 bpp */ - 1024, 768, 1024, 768, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 20833, 272, 168, 39, 2, 72, 1, - 0, FB_VMODE_NONINTERLACED - } -#else - "1024x768-16", { - 1024, 768, 1024, 768, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 12500, 184, 40, 40, 2, 96, 1, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } -#endif - }, { - "1152x886-16", { /* Cybervision 16 bpp */ - 1152, 886, 1152, 886, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 19230, 280, 168, 45, 1, 64, 10, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1280x1024-16", { /* Cybervision 16 bpp */ - 1280, 1024, 1280, 1024, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 17857, 232, 232, 71, 15, 176, 12, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1600x1200-16", { /* Cybervision 16 bpp */ - 1600, 1200, 1600, 1200, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 13698, 336, 224, 77, 15, 176, 12, - 0, FB_VMODE_NONINTERLACED - } - }, -#endif - -#ifdef FBCON_HAS_CFB32 - { - "640x480-32", { /* Cybervision 32 bpp */ - 640, 480, 640, 480, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 31250, 160, 136, 82, 61, 88, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "768x576-32", { /* Cybervision 32 bpp */ - 768, 576, 768, 576, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 29411, 144, 112, 32, 15, 64, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "800x600-32", { /* Cybervision 32 bpp */ - 800, 600, 800, 600, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 28571, 168, 104, 22, 1, 48, 2, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1024x768-32", { /* Cybervision 32 bpp */ - 1024, 768, 1024, 768, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 20833, 272, 168, 39, 2, 72, 1, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1152x886-32", { /* Cybervision 32 bpp */ - 1152, 886, 1152, 886, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 19230, 280, 168, 45, 1, 64, 10, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1280x1024-32", { /* Cybervision 32 bpp */ - 1280, 1024, 1280, 1024, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 17857, 232, 232, 71, 15, 176, 12, - 0, FB_VMODE_NONINTERLACED - } - }, { - "1600x1200-32", { /* Cybervision 32 bpp */ - 1600, 1200, 1600, 1200, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 13698, 336, 224, 77, 15, 176, 12, - 0, FB_VMODE_NONINTERLACED - } - }, -#endif - -/* interlaced modes */ - -#ifdef FBCON_HAS_CFB8 - { - "1024x768-8i", { /* Cybervision 8 bpp */ - 1024, 768, 1024, 768, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 20833, 272, 168, 39, 2, 72, 1, - 0, FB_VMODE_INTERLACED - } - }, { - "1280x1024-8i", { /* Cybervision 8 bpp */ - 1280, 1024, 1280, 1024, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 17857, 232, 232, 71, 15, 176, 12, - 0, FB_VMODE_INTERLACED - } - }, { - "1600x1200-8i", { /* Cybervision 8 bpp */ - 1600, 1200, 1600, 1200, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 13698, 336, 224, 77, 15, 176, 12, - 0, FB_VMODE_INTERLACED - } - }, -#endif - -#ifdef FBCON_HAS_CFB16 - { - "1024x768-16i", { /* Cybervision 16 bpp */ - 1024, 768, 1024, 768, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 20833, 272, 168, 39, 2, 72, 1, - 0, FB_VMODE_INTERLACED - } - }, { - "1280x1024-16i", { /* Cybervision 16 bpp */ - 1280, 1024, 1280, 1024, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 17857, 232, 232, 71, 15, 176, 12, - 0, FB_VMODE_INTERLACED - } - }, { - "1600x1200-16i", { /* Cybervision 16 bpp */ - 1600, 1200, 1600, 1200, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 13698, 336, 224, 77, 15, 176, 12, - 0, FB_VMODE_INTERLACED - } - }, -#endif - -#ifdef FBCON_HAS_CFB32 - { - "1024x768-32i", { /* Cybervision 32 bpp */ - 1024, 768, 1024, 768, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 22222, 216, 144, 39, 2, 72, 1, - 0, FB_VMODE_INTERLACED - } - }, { - "1280x1024-32i", { /* Cybervision 32 bpp */ - 1280, 1024, 1280, 1024, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {23, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 17857, 232, 232, 71, 15, 176, 12, - 0, FB_VMODE_INTERLACED - } - }, { - "1600x1200-32i", { /* Cybervision 32 bpp */ - 1600, 1200, 1600, 1200, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 13698, 336, 224, 77, 15, 176, 12, - 0, FB_VMODE_INTERLACED - } - }, -#endif - -/* doublescan modes */ - -#ifdef FBCON_HAS_CFB8 - { - "320x240-8d", { /* Cybervision 8 bpp */ - 320, 240, 320, 240, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 59259, 80, 80, 45, 26, 32, 1, - 0, FB_VMODE_DOUBLE - } - }, -#endif - -#ifdef FBCON_HAS_CFB16 - { - "320x240-16d", { /* Cybervision 16 bpp */ - 320, 240, 320, 240, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 59259, 80, 80, 45, 26, 32, 1, - 0, FB_VMODE_DOUBLE - } - }, -#endif - -#ifdef FBCON_HAS_CFB32 - { - "320x240-32d", { /* Cybervision 32 bpp */ - 320, 240, 320, 240, 0, 0, 32, 0, - {16, 8, 0}, {8, 8, 0}, {0, 8, 0}, {24, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 59259, 80, 80, 45, 26, 32, 1, - 0, FB_VMODE_DOUBLE - } - }, -#endif -}; - -#define NUM_TOTAL_MODES ARRAY_SIZE(virgefb_predefined) - -/* - * Default to 800x600 for video=virge8:, virge16: or virge32: - */ - -#ifdef FBCON_HAS_CFB8 -#define VIRGE8_DEFMODE (2) -#endif - -#ifdef FBCON_HAS_CFB16 -#define VIRGE16_DEFMODE (9) -#endif - -#ifdef FBCON_HAS_CFB32 -#define VIRGE32_DEFMODE (16) -#endif - -static struct fb_var_screeninfo virgefb_default; -static int virgefb_inverse = 0; - -/* - * Interface used by the world - */ - -int virgefb_setup(char*); -static int virgefb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info); -static int virgefb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int virgefb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int virgefb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -static int virgefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, - u_int transp, struct fb_info *info); -static int virgefb_blank(int blank, struct fb_info *info); - -/* - * Interface to the low level console driver - */ - -int virgefb_init(void); -static int virgefb_switch(int con, struct fb_info *info); -static int virgefb_updatevar(int con, struct fb_info *info); - -/* - * Text console acceleration - */ - -#ifdef FBCON_HAS_CFB8 -static struct display_switch fbcon_virge8; -#endif - -#ifdef FBCON_HAS_CFB16 -static struct display_switch fbcon_virge16; -#endif - -#ifdef FBCON_HAS_CFB32 -static struct display_switch fbcon_virge32; -#endif - -/* - * Hardware Specific Routines - */ - -static int virge_init(void); -static int virgefb_encode_fix(struct fb_fix_screeninfo *fix, - struct virgefb_par *par); -static int virgefb_decode_var(struct fb_var_screeninfo *var, - struct virgefb_par *par); -static int virgefb_encode_var(struct fb_var_screeninfo *var, - struct virgefb_par *par); -static int virgefb_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue, - u_int *transp, struct fb_info *info); -static void virgefb_gfx_on_off(int blank); -static inline void virgefb_wait_for_idle(void); -static void virgefb_BitBLT(u_short curx, u_short cury, u_short destx, u_short desty, - u_short width, u_short height, u_short stride, u_short depth); -static void virgefb_RectFill(u_short x, u_short y, u_short width, u_short height, - u_short color, u_short stride, u_short depth); - -/* - * Internal routines - */ - -static void virgefb_get_par(struct virgefb_par *par); -static void virgefb_set_par(struct virgefb_par *par); -static int virgefb_do_fb_set_var(struct fb_var_screeninfo *var, int isactive); -static void virgefb_set_disp(int con, struct fb_info *info); -static int virgefb_get_video_mode(const char *name); -static void virgefb_set_video(struct fb_var_screeninfo *var); - -/* - * Additions for Initialization - */ - -static void virgefb_load_video_mode(struct fb_var_screeninfo *video_mode); -static int cv3d_has_4mb(void); -static unsigned short virgefb_compute_clock(unsigned long freq); -static inline unsigned char rattr(short); -static inline unsigned char rseq(short); -static inline unsigned char rcrt(short); -static inline unsigned char rgfx(short); -static inline void gfx_on_off(int toggle); -static void virgefb_pci_init(void); - -/* -------------------- Hardware specific routines ------------------------- */ - -/* - * Functions for register access - */ - -/* Read attribute controller register */ - -static inline unsigned char rattr(short idx) -{ - volatile unsigned char rattr_tmp; - - rattr_tmp = rb_mmio(ACT_ADDRESS_RESET); - wb_mmio(ACT_ADDRESS_W, idx); - return (rb_mmio(ACT_ADDRESS_R)); -} - -/* Read sequencer register */ - -static inline unsigned char rseq(short idx) -{ - wb_mmio(SEQ_ADDRESS, idx); - return (rb_mmio(SEQ_ADDRESS_R)); -} - -/* Read CRT controller register */ - -static inline unsigned char rcrt(short idx) -{ - wb_mmio(CRT_ADDRESS, idx); - return (rb_mmio(CRT_ADDRESS_R)); -} - -/* Read graphics controller register */ - -static inline unsigned char rgfx(short idx) -{ - wb_mmio(GCT_ADDRESS, idx); - return (rb_mmio(GCT_ADDRESS_R)); -} - - -/* - * Initialization - */ - -/* PCI init */ - -void virgefb_pci_init(void) { - - DPRINTK("ENTER\n"); - - SelectCFG; - - if (on_zorro2) { - *((short *)(vgaio_regs + 0x00000010)) = 0; - *((long *)(vgaio_regs + 0x00000004)) = 0x02000003; - } else { - *((short *)(vgaio_regs + 0x000e0010)) = 0; - *((long *)(vgaio_regs + 0x000e0004)) = 0x02000003; - } - - /* SelectIO is in wb_vgaio macro */ - wb_vgaio(SREG_VIDEO_SUBS_ENABLE, 0x01); - /* SelectMMIO is in wb_vgaio macro */ - - DPRINTK("EXIT\n"); - - return; -} - -/* - * Initalize all mode independent regs, find mem size and clear mem -*/ - -static int virge_init(void) -{ - int i; - unsigned char tmp; - - DPRINTK("ENTER\n"); - - virgefb_pci_init(); - - wb_mmio(GREG_MISC_OUTPUT_W, 0x07); /* colour, ram enable, clk sel */ - - wseq(SEQ_ID_UNLOCK_EXT, 0x06); /* unlock extensions */ - tmp = rb_mmio(GREG_MISC_OUTPUT_R); - wcrt(CRT_ID_REGISTER_LOCK_1, 0x48); /* unlock CR2D to CR3F */ - - wcrt(CRT_ID_BACKWAD_COMP_1, 0x00); /* irq disable */ - - wcrt(CRT_ID_REGISTER_LOCK_2, 0xa5); /* unlock CR40 to CRFF and more */ - wcrt(CRT_ID_REGISTER_LOCK,0x00); /* unlock h and v timing */ - wcrt(CRT_ID_SYSTEM_CONFIG, 0x01); /* unlock enhanced programming registers */ - - wb_mmio(GREG_FEATURE_CONTROL_W, 0x00); - - wcrt(CRT_ID_EXT_MISC_CNTL, 0x00); /* b2 = 0 to allow VDAC mmio access */ -#if 0 - /* write strap options ... ? */ - wcrt(CRT_ID_CONFIG_1, 0x08); - wcrt(CRT_ID_CONFIG_2, 0xff); /* 0x0x2 bit needs to be set ?? */ - wcrt(CRT_ID_CONFIG_3, 0x0f); - wcrt(CRT_ID_CONFIG_4, 0x1a); -#endif - wcrt(CRT_ID_EXT_MISC_CNTL_1, 0x82); /* PCI DE and software reset S3D engine */ - /* EXT_MISC_CNTL_1, CR66 bit 0 should be the same as bit 0 MR_ADVANCED_FUNCTION_CONTROL - check */ - wl_mmio(MR_ADVANCED_FUNCTION_CONTROL, 0x00000011); /* enhanced mode, linear addressing */ - -/* crtc registers */ - - wcrt(CRT_ID_PRESET_ROW_SCAN, 0x00); - - /* Disable h/w cursor */ - - wcrt(CRT_ID_CURSOR_START, 0x00); - wcrt(CRT_ID_CURSOR_END, 0x00); - wcrt(CRT_ID_START_ADDR_HIGH, 0x00); - wcrt(CRT_ID_START_ADDR_LOW, 0x00); - wcrt(CRT_ID_CURSOR_LOC_HIGH, 0x00); - wcrt(CRT_ID_CURSOR_LOC_LOW, 0x00); - wcrt(CRT_ID_EXT_MODE, 0x00); - wcrt(CRT_ID_HWGC_MODE, 0x00); - wcrt(CRT_ID_HWGC_ORIGIN_X_HI, 0x00); - wcrt(CRT_ID_HWGC_ORIGIN_X_LO, 0x00); - wcrt(CRT_ID_HWGC_ORIGIN_Y_HI, 0x00); - wcrt(CRT_ID_HWGC_ORIGIN_Y_LO, 0x00); - i = rcrt(CRT_ID_HWGC_MODE); - wcrt(CRT_ID_HWGC_FG_STACK, 0x00); - wcrt(CRT_ID_HWGC_FG_STACK, 0x00); - wcrt(CRT_ID_HWGC_FG_STACK, 0x00); - wcrt(CRT_ID_HWGC_BG_STACK, 0x00); - wcrt(CRT_ID_HWGC_BG_STACK, 0x00); - wcrt(CRT_ID_HWGC_BG_STACK, 0x00); - wcrt(CRT_ID_HWGC_START_AD_HI, 0x00); - wcrt(CRT_ID_HWGC_START_AD_LO, 0x00); - wcrt(CRT_ID_HWGC_DSTART_X, 0x00); - wcrt(CRT_ID_HWGC_DSTART_Y, 0x00); - - wcrt(CRT_ID_UNDERLINE_LOC, 0x00); - - wcrt(CRT_ID_MODE_CONTROL, 0xe3); - wcrt(CRT_ID_BACKWAD_COMP_2, 0x22); /* blank bdr bit 5 blanking only on 8 bit */ - - wcrt(CRT_ID_EX_SYNC_1, 0x00); - - /* memory */ - - wcrt(CRT_ID_EXT_SYS_CNTL_3, 0x00); - wcrt(CRT_ID_MEMORY_CONF, 0x08); /* config enhanced map */ - wcrt(CRT_ID_EXT_MEM_CNTL_1, 0x08); /* MMIO Select (0x0c works as well)*/ - wcrt(CRT_ID_EXT_MEM_CNTL_2, 0x02); /* why 02 big endian 00 works ? */ - wcrt(CRT_ID_EXT_MEM_CNTL_4, 0x9f); /* config big endian - 0x00 ? */ - wcrt(CRT_ID_LAW_POS_HI, 0x00); - wcrt(CRT_ID_LAW_POS_LO, 0x00); - wcrt(CRT_ID_EXT_MISC_CNTL_1, 0x81); - wcrt(CRT_ID_MISC_1, 0x90); /* must follow CRT_ID_EXT_MISC_CNTL_1 */ - wcrt(CRT_ID_LAW_CNTL, 0x13); /* force 4 Meg for test */ - if (cv3d_has_4mb()) { - v_ram_size = 0x00400000; - wcrt(CRT_ID_LAW_CNTL, 0x13); /* 4 MB */ - } else { - v_ram_size = 0x00200000; - wcrt(CRT_ID_LAW_CNTL, 0x12); /* 2 MB */ - } - - if (on_zorro2) - v_ram_size -= 0x60000; /* we need some space for the registers */ - - wcrt(CRT_ID_EXT_SYS_CNTL_4, 0x00); - wcrt(CRT_ID_EXT_DAC_CNTL, 0x00); /* 0x10 for X11 cursor mode */ - -/* sequencer registers */ - - wseq(SEQ_ID_CLOCKING_MODE, 0x01); /* 8 dot clock */ - wseq(SEQ_ID_MAP_MASK, 0xff); - wseq(SEQ_ID_CHAR_MAP_SELECT, 0x00); - wseq(SEQ_ID_MEMORY_MODE, 0x02); - wseq(SEQ_ID_RAMDAC_CNTL, 0x00); - wseq(SEQ_ID_SIGNAL_SELECT, 0x00); - wseq(SEQ_ID_EXT_SEQ_REG9, 0x00); /* MMIO and PIO reg access enabled */ - wseq(SEQ_ID_EXT_MISC_SEQ, 0x00); - wseq(SEQ_ID_CLKSYN_CNTL_1, 0x00); - wseq(SEQ_ID_EXT_SEQ, 0x00); - -/* graphic registers */ - - wgfx(GCT_ID_SET_RESET, 0x00); - wgfx(GCT_ID_ENABLE_SET_RESET, 0x00); - wgfx(GCT_ID_COLOR_COMPARE, 0x00); - wgfx(GCT_ID_DATA_ROTATE, 0x00); - wgfx(GCT_ID_READ_MAP_SELECT, 0x00); - wgfx(GCT_ID_GRAPHICS_MODE, 0x40); - wgfx(GCT_ID_MISC, 0x01); - wgfx(GCT_ID_COLOR_XCARE, 0x0f); - wgfx(GCT_ID_BITMASK, 0xff); - -/* attribute registers */ - - for(i = 0; i <= 15; i++) - watr(ACT_ID_PALETTE0 + i, i); - watr(ACT_ID_ATTR_MODE_CNTL, 0x41); - watr(ACT_ID_OVERSCAN_COLOR, 0xff); - watr(ACT_ID_COLOR_PLANE_ENA, 0x0f); - watr(ACT_ID_HOR_PEL_PANNING, 0x00); - watr(ACT_ID_COLOR_SELECT, 0x00); - - wb_mmio(VDAC_MASK, 0xff); - -/* init local cmap as greyscale levels */ - - for (i = 0; i < 256; i++) { - virgefb_colour_table [i][0] = i; - virgefb_colour_table [i][1] = i; - virgefb_colour_table [i][2] = i; - } - -/* clear framebuffer memory */ - - memset((char*)v_ram, 0x00, v_ram_size); - - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * This function should fill in the `fix' structure based on the - * values in the `par' structure. - */ - -static int virgefb_encode_fix(struct fb_fix_screeninfo *fix, - struct virgefb_par *par) -{ - DPRINTK("ENTER set video phys addr\n"); - - memset(fix, 0, sizeof(struct fb_fix_screeninfo)); - strcpy(fix->id, virgefb_name); - if (on_zorro2) - fix->smem_start = v_ram_phys; - switch (par->var.bits_per_pixel) { -#ifdef FBCON_HAS_CFB8 - case 8: - if (on_zorro2) - Select_Zorro2_FrameBuffer(ENDIAN_BYTE); - else - fix->smem_start = (v_ram_phys + CYBMEM_OFFSET_8); - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - if (on_zorro2) - Select_Zorro2_FrameBuffer(ENDIAN_WORD); - else - fix->smem_start = (v_ram_phys + CYBMEM_OFFSET_16); - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32: - if (on_zorro2) - Select_Zorro2_FrameBuffer(ENDIAN_LONG); - else - fix->smem_start = (v_ram_phys + CYBMEM_OFFSET_32); - break; -#endif - } - - fix->smem_len = v_ram_size; - fix->mmio_start = mmio_regs_phys; - fix->mmio_len = 0x10000; /* TODO: verify this for the CV64/3D */ - - fix->type = FB_TYPE_PACKED_PIXELS; - fix->type_aux = 0; - if (par->var.bits_per_pixel == 8) - fix->visual = FB_VISUAL_PSEUDOCOLOR; - else - fix->visual = FB_VISUAL_TRUECOLOR; - - fix->xpanstep = 0; - fix->ypanstep = 0; - fix->ywrapstep = 0; - fix->line_length = par->var.xres_virtual*par->var.bits_per_pixel/8; - fix->accel = FB_ACCEL_S3_VIRGE; - DPRINTK("EXIT v_ram_phys = 0x%8.8lx\n", (unsigned long)fix->smem_start); - return 0; -} - - -/* - * Fill the `par' structure based on the values in `var'. - * TODO: Verify and adjust values, return -EINVAL if bad. - */ - -static int virgefb_decode_var(struct fb_var_screeninfo *var, - struct virgefb_par *par) -{ - DPRINTK("ENTER\n"); - par->var.xres = var->xres; - par->var.yres = var->yres; - par->var.xres_virtual = var->xres_virtual; - par->var.yres_virtual = var->yres_virtual; - /* roundup and validate */ - par->var.xres = (par->var.xres+7) & ~7; - par->var.xres_virtual = (par->var.xres_virtual+7) & ~7; - if (par->var.xres_virtual < par->var.xres) - par->var.xres_virtual = par->var.xres; - if (par->var.yres_virtual < par->var.yres) - par->var.yres_virtual = par->var.yres; - par->var.xoffset = var->xoffset; - par->var.yoffset = var->yoffset; - par->var.bits_per_pixel = var->bits_per_pixel; - if (par->var.bits_per_pixel <= 8) - par->var.bits_per_pixel = 8; - else if (par->var.bits_per_pixel <= 16) - par->var.bits_per_pixel = 16; - else - par->var.bits_per_pixel = 32; -#ifndef FBCON_HAS_CFB32 - if (par->var.bits_per_pixel == 32) - par->var.bits_per_pixel = 16; -#endif -#ifndef FBCON_HAS_CFB16 - if (par->var.bits_per_pixel == 16) - par->var.bits_per_pixel = 8; -#endif - par->var.grayscale = var->grayscale; - par->var.red = var->red; - par->var.green = var->green; - par->var.blue = var->blue; - par->var.transp = var->transp; - par->var.nonstd = var->nonstd; - par->var.activate = var->activate; - par->var.height = var->height; - par->var.width = var->width; - if (var->accel_flags & FB_ACCELF_TEXT) { - par->var.accel_flags = FB_ACCELF_TEXT; - } else { - par->var.accel_flags = 0; - } - par->var.pixclock = var->pixclock; - par->var.left_margin = var->left_margin; - par->var.right_margin = var->right_margin; - par->var.upper_margin = var->upper_margin; - par->var.lower_margin = var->lower_margin; - par->var.hsync_len = var->hsync_len; - par->var.vsync_len = var->vsync_len; - par->var.sync = var->sync; - par->var.vmode = var->vmode; - DPRINTK("EXIT\n"); - return 0; -} - -/* - * Fill the `var' structure based on the values in `par' and maybe - * other values read out of the hardware. - */ - -static int virgefb_encode_var(struct fb_var_screeninfo *var, - struct virgefb_par *par) -{ - DPRINTK("ENTER\n"); - memset(var, 0, sizeof(struct fb_var_screeninfo)); /* need this ? */ - var->xres = par->var.xres; - var->yres = par->var.yres; - var->xres_virtual = par->var.xres_virtual; - var->yres_virtual = par->var.yres_virtual; - var->xoffset = par->var.xoffset; - var->yoffset = par->var.yoffset; - var->bits_per_pixel = par->var.bits_per_pixel; - var->grayscale = par->var.grayscale; - var->red = par->var.red; - var->green = par->var.green; - var->blue = par->var.blue; - var->transp = par->var.transp; - var->nonstd = par->var.nonstd; - var->activate = par->var.activate; - var->height = par->var.height; - var->width = par->var.width; - var->accel_flags = par->var.accel_flags; - var->pixclock = par->var.pixclock; - var->left_margin = par->var.left_margin; - var->right_margin = par->var.right_margin; - var->upper_margin = par->var.upper_margin; - var->lower_margin = par->var.lower_margin; - var->hsync_len = par->var.hsync_len; - var->vsync_len = par->var.vsync_len; - var->sync = par->var.sync; - var->vmode = par->var.vmode; - DPRINTK("EXIT\n"); - return 0; -} - -/* - * Set a single color register. The values supplied are already - * rounded down to the hardware's capabilities (according to the - * entries in the var structure). Return != 0 for invalid regno. - */ - -static int virgefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, - u_int transp, struct fb_info *info) -{ - DPRINTK("ENTER\n"); - if (((current_par.var.bits_per_pixel==8) && (regno>255)) || - ((current_par.var.bits_per_pixel!=8) && (regno>15))) { - DPRINTK("EXIT\n"); - return 1; - } - if (((current_par.var.bits_per_pixel==8) && (regno<256)) || - ((current_par.var.bits_per_pixel!=8) && (regno<16))) { - virgefb_colour_table [regno][0] = red >> 10; - virgefb_colour_table [regno][1] = green >> 10; - virgefb_colour_table [regno][2] = blue >> 10; - } - - switch (current_par.var.bits_per_pixel) { -#ifdef FBCON_HAS_CFB8 - case 8: - wb_mmio(VDAC_ADDRESS_W, (unsigned char)regno); - wb_mmio(VDAC_DATA, ((unsigned char)(red >> 10))); - wb_mmio(VDAC_DATA, ((unsigned char)(green >> 10))); - wb_mmio(VDAC_DATA, ((unsigned char)(blue >> 10))); - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - fbcon_cmap.cfb16[regno] = - ((red & 0xf800) | - ((green & 0xfc00) >> 5) | - ((blue & 0xf800) >> 11)); - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32: - fbcon_cmap.cfb32[regno] = - /* transp = 0's or 1's ? */ - (((red & 0xff00) << 8) | - ((green & 0xff00) >> 0) | - ((blue & 0xff00) >> 8)); - break; -#endif - } - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * Read a single color register and split it into - * colors/transparent. Return != 0 for invalid regno. - */ - -static int virgefb_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue, - u_int *transp, struct fb_info *info) -{ - int t; - - DPRINTK("ENTER\n"); - if (regno > 255) { - DPRINTK("EXIT\n"); - return 1; - } - if (((current_par.var.bits_per_pixel==8) && (regno<256)) || - ((current_par.var.bits_per_pixel!=8) && (regno<16))) { - - t = virgefb_colour_table [regno][0]; - *red = (t<<10) | (t<<4) | (t>>2); - t = virgefb_colour_table [regno][1]; - *green = (t<<10) | (t<<4) | (t>>2); - t = virgefb_colour_table [regno][2]; - *blue = (t<<10) | (t<<4) | (t>>2); - } - *transp = 0; - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * (Un)Blank the screen - */ - -static void virgefb_gfx_on_off(int blank) -{ - DPRINTK("ENTER\n"); - gfx_on_off(blank); - DPRINTK("EXIT\n"); -} - -/* - * CV3D low-level support - */ - - -static inline void wait_3d_fifo_slots(int n) /* WaitQueue */ -{ - do { - mb(); - } while (((rl_mmio(MR_SUBSYSTEM_STATUS_R) >> 8) & 0x1f) < (n + 2)); -} - -static inline void virgefb_wait_for_idle(void) /* WaitIdle */ -{ - while(!(rl_mmio(MR_SUBSYSTEM_STATUS_R) & 0x2000)) ; - blit_maybe_busy = 0; -} - - /* - * BitBLT - Through the Plane - */ - -static void virgefb_BitBLT(u_short curx, u_short cury, u_short destx, u_short desty, - u_short width, u_short height, u_short stride, u_short depth) -{ - unsigned int blitcmd = S3V_BITBLT | S3V_DRAW | S3V_BLT_COPY; - - switch (depth) { -#ifdef FBCON_HAS_CFB8 - case 8 : - blitcmd |= S3V_DST_8BPP; - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16 : - blitcmd |= S3V_DST_16BPP; - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32 : - /* 32 bit uses 2 by 16 bit values, see fbcon_virge32_bmove */ - blitcmd |= S3V_DST_16BPP; - break; -#endif - } - - /* Set drawing direction */ - /* -Y, X maj, -X (default) */ - if (curx > destx) { - blitcmd |= (1 << 25); /* Drawing direction +X */ - } else { - curx += (width - 1); - destx += (width - 1); - } - - if (cury > desty) { - blitcmd |= (1 << 26); /* Drawing direction +Y */ - } else { - cury += (height - 1); - desty += (height - 1); - } - - wait_3d_fifo_slots(8); /* wait on fifo slots for 8 writes */ - - if (blit_maybe_busy) - virgefb_wait_for_idle(); - blit_maybe_busy = 1; - - wl_mmio(BLT_PATTERN_COLOR, 1); /* pattern fb color */ - wl_mmio(BLT_MONO_PATTERN_0, ~0); - wl_mmio(BLT_MONO_PATTERN_1, ~0); - wl_mmio(BLT_SIZE_X_Y, ((width << 16) | height)); - wl_mmio(BLT_SRC_X_Y, ((curx << 16) | cury)); - wl_mmio(BLT_DEST_X_Y, ((destx << 16) | desty)); - wl_mmio(BLT_SRC_DEST_STRIDE, (((stride << 16) | stride) /* & 0x0ff80ff8 */)); /* why is this needed now ? */ - wl_mmio(BLT_COMMAND_SET, blitcmd); -} - -/* - * Rectangle Fill Solid - */ - -static void virgefb_RectFill(u_short x, u_short y, u_short width, u_short height, - u_short color, u_short stride, u_short depth) -{ - unsigned int blitcmd = S3V_RECTFILL | S3V_DRAW | - S3V_BLT_CLEAR | S3V_MONO_PAT | (1 << 26) | (1 << 25); - - switch (depth) { -#ifdef FBCON_HAS_CFB8 - case 8 : - blitcmd |= S3V_DST_8BPP; - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16 : - blitcmd |= S3V_DST_16BPP; - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32 : - /* 32 bit uses 2 times 16 bit values, see fbcon_virge32_clear */ - blitcmd |= S3V_DST_16BPP; - break; -#endif - } - - wait_3d_fifo_slots(5); /* wait on fifo slots for 5 writes */ - - if (blit_maybe_busy) - virgefb_wait_for_idle(); - blit_maybe_busy = 1; - - wl_mmio(BLT_PATTERN_COLOR, (color & 0xff)); - wl_mmio(BLT_SIZE_X_Y, ((width << 16) | height)); - wl_mmio(BLT_DEST_X_Y, ((x << 16) | y)); - wl_mmio(BLT_SRC_DEST_STRIDE, (((stride << 16) | stride) /* & 0x0ff80ff8 */)); - wl_mmio(BLT_COMMAND_SET, blitcmd); -} - -/* - * Move cursor to x, y - */ - -#if 0 -static void virgefb_move_cursor(u_short x, u_short y) -{ - DPRINTK("Yuck .... MoveCursor on a 3D\n"); - return 0; -} -#endif - -/* -------------------- Interfaces to hardware functions -------------------- */ - -static struct fb_hwswitch virgefb_hw_switch = { - .init = virge_init, - .encode_fix = virgefb_encode_fix, - .decode_var = virgefb_decode_var, - .encode_var = virgefb_encode_var, - .getcolreg = virgefb_getcolreg, - .blank = virgefb_gfx_on_off -}; - - -/* -------------------- Generic routines ------------------------------------ */ - - -/* - * Fill the hardware's `par' structure. - */ - -static void virgefb_get_par(struct virgefb_par *par) -{ - DPRINTK("ENTER\n"); - if (current_par_valid) { - *par = current_par; - } else { - fbhw->decode_var(&virgefb_default, par); - } - DPRINTK("EXIT\n"); -} - - -static void virgefb_set_par(struct virgefb_par *par) -{ - DPRINTK("ENTER\n"); - current_par = *par; - current_par_valid = 1; - DPRINTK("EXIT\n"); -} - - -static void virgefb_set_video(struct fb_var_screeninfo *var) -{ -/* Set clipping rectangle to current screen size */ - - unsigned int clip; - - DPRINTK("ENTER\n"); - wait_3d_fifo_slots(4); - clip = ((0 << 16) | (var->xres - 1)); - wl_mmio(BLT_CLIP_LEFT_RIGHT, clip); - clip = ((0 << 16) | (var->yres - 1)); - wl_mmio(BLT_CLIP_TOP_BOTTOM, clip); - wl_mmio(BLT_SRC_BASE, 0); /* seems we need to clear these two */ - wl_mmio(BLT_DEST_BASE, 0); - -/* Load the video mode defined by the 'var' data */ - - virgefb_load_video_mode(var); - DPRINTK("EXIT\n"); -} - -/* -Merge these two functions, Geert's suggestion. -static int virgefb_set_var(struct fb_var_screeninfo *var, int con, struct fb_info *info); -static int virgefb_do_fb_set_var(struct fb_var_screeninfo *var, int isactive); -*/ - -static int virgefb_do_fb_set_var(struct fb_var_screeninfo *var, int isactive) -{ - int err, activate; - struct virgefb_par par; - - DPRINTK("ENTER\n"); - if ((err = fbhw->decode_var(var, &par))) { - DPRINTK("EXIT\n"); - return (err); - } - - activate = var->activate; - if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW && isactive) - virgefb_set_par(&par); - fbhw->encode_var(var, &par); - var->activate = activate; - if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW && isactive) - virgefb_set_video(var); - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * Get the Fixed Part of the Display - */ - -static int virgefb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info) -{ - struct virgefb_par par; - int error = 0; - - DPRINTK("ENTER\n"); - if (con == -1) - virgefb_get_par(&par); - else - error = fbhw->decode_var(&fb_display[con].var, &par); - - if (!error) - error = fbhw->encode_fix(fix, &par); - DPRINTK("EXIT\n"); - return(error); -} - - -/* - * Get the User Defined Part of the Display - */ - -static int virgefb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - struct virgefb_par par; - int error = 0; - - DPRINTK("ENTER\n"); - if (con == -1) { - virgefb_get_par(&par); - error = fbhw->encode_var(var, &par); - disp.var = *var; /* ++Andre: don't know if this is the right place */ - } else { - *var = fb_display[con].var; - } - DPRINTK("EXIT\n"); - return(error); -} - -static void virgefb_set_disp(int con, struct fb_info *info) -{ - struct fb_fix_screeninfo fix; - struct display *display; - - DPRINTK("ENTER\n"); - if (con >= 0) - display = &fb_display[con]; - else - display = &disp; /* used during initialization */ - - virgefb_get_fix(&fix, con, info); - if (con == -1) - con = 0; - if(on_zorro2) { - info->screen_base = (char*)v_ram; - } else { - switch (display->var.bits_per_pixel) { -#ifdef FBCON_HAS_CFB8 - case 8: - info->screen_base = (char*)(v_ram + CYBMEM_OFFSET_8); - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - info->screen_base = (char*)(v_ram + CYBMEM_OFFSET_16); - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32: - info->screen_base = (char*)(v_ram + CYBMEM_OFFSET_32); - break; -#endif - } - } - display->visual = fix.visual; - display->type = fix.type; - display->type_aux = fix.type_aux; - display->ypanstep = fix.ypanstep; - display->ywrapstep = fix.ywrapstep; - display->can_soft_blank = 1; - display->inverse = virgefb_inverse; - display->line_length = display->var.xres_virtual* - display->var.bits_per_pixel/8; - - switch (display->var.bits_per_pixel) { -#ifdef FBCON_HAS_CFB8 - case 8: - if (display->var.accel_flags & FB_ACCELF_TEXT) { - display->dispsw = &fbcon_virge8; -#warning FIXME: We should reinit the graphics engine here - } else - display->dispsw = &fbcon_cfb8; - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - if (display->var.accel_flags & FB_ACCELF_TEXT) { - display->dispsw = &fbcon_virge16; - } else - display->dispsw = &fbcon_cfb16; - display->dispsw_data = &fbcon_cmap.cfb16; - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32: - if (display->var.accel_flags & FB_ACCELF_TEXT) { - display->dispsw = &fbcon_virge32; - } else - display->dispsw = &fbcon_cfb32; - display->dispsw_data = &fbcon_cmap.cfb32; - break; -#endif - default: - display->dispsw = &fbcon_dummy; - break; - } - DPRINTK("EXIT v_ram virt = 0x%8.8lx\n",(unsigned long)display->screen_base); -} - - -/* - * Set the User Defined Part of the Display - */ - -static int virgefb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - int err, oldxres, oldyres, oldvxres, oldvyres, oldbpp, oldaccel; - - DPRINTK("ENTER\n"); - - if ((err = virgefb_do_fb_set_var(var, con == info->currcon))) { - DPRINTK("EXIT\n"); - return(err); - } - if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) { - oldxres = fb_display[con].var.xres; - oldyres = fb_display[con].var.yres; - oldvxres = fb_display[con].var.xres_virtual; - oldvyres = fb_display[con].var.yres_virtual; - oldbpp = fb_display[con].var.bits_per_pixel; - oldaccel = fb_display[con].var.accel_flags; - fb_display[con].var = *var; - if (oldxres != var->xres || oldyres != var->yres || - oldvxres != var->xres_virtual || - oldvyres != var->yres_virtual || - oldbpp != var->bits_per_pixel || - oldaccel != var->accel_flags) { - virgefb_set_disp(con, info); - if (fb_info.changevar) - (*fb_info.changevar)(con); - fb_alloc_cmap(&fb_display[con].cmap, 0, 0); - do_install_cmap(con, info); - } - } - var->activate = 0; - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * Get the Colormap - */ - -static int virgefb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ - DPRINTK("ENTER\n"); - if (con == info->currcon) { /* current console? */ - DPRINTK("EXIT - console is current console, fb_get_cmap\n"); - return(fb_get_cmap(cmap, kspc, fbhw->getcolreg, info)); - } else if (fb_display[con].cmap.len) { /* non default colormap? */ - DPRINTK("Use console cmap\n"); - fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2); - } else { - DPRINTK("Use default cmap\n"); - fb_copy_cmap(fb_default_cmap(fb_display[con].var.bits_per_pixel==8 ? 256 : 16), - cmap, kspc ? 0 : 2); - } - DPRINTK("EXIT\n"); - return 0; -} - -static struct fb_ops virgefb_ops = { - .owner = THIS_MODULE, - .fb_get_fix = virgefb_get_fix, - .fb_get_var = virgefb_get_var, - .fb_set_var = virgefb_set_var, - .fb_get_cmap = virgefb_get_cmap, - .fb_set_cmap = gen_set_cmap, - .fb_setcolreg = virgefb_setcolreg, - .fb_blank = virgefb_blank, -}; - -int __init virgefb_setup(char *options) -{ - char *this_opt; - fb_info.fontname[0] = '\0'; - - DPRINTK("ENTER\n"); - if (!options || !*options) { - DPRINTK("EXIT\n"); - return 0; - } - - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) - continue; - if (!strcmp(this_opt, "inverse")) { - virgefb_inverse = 1; - fb_invert_cmaps(); - } else if (!strncmp(this_opt, "font:", 5)) - strcpy(fb_info.fontname, this_opt+5); -#ifdef FBCON_HAS_CFB8 - else if (!strcmp (this_opt, "virge8")){ - virgefb_default = virgefb_predefined[VIRGE8_DEFMODE].var; - } -#endif -#ifdef FBCON_HAS_CFB16 - else if (!strcmp (this_opt, "virge16")){ - virgefb_default = virgefb_predefined[VIRGE16_DEFMODE].var; - } -#endif -#ifdef FBCON_HAS_CFB32 - else if (!strcmp (this_opt, "virge32")){ - virgefb_default = virgefb_predefined[VIRGE32_DEFMODE].var; - } -#endif - else - virgefb_get_video_mode(this_opt); - } - - printk(KERN_INFO "mode : xres=%d, yres=%d, bpp=%d\n", virgefb_default.xres, - virgefb_default.yres, virgefb_default.bits_per_pixel); - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * Get a Video Mode - */ - -static int __init virgefb_get_video_mode(const char *name) -{ - int i; - - DPRINTK("ENTER\n"); - for (i = 0; i < NUM_TOTAL_MODES; i++) { - if (!strcmp(name, virgefb_predefined[i].name)) { - virgefb_default = virgefb_predefined[i].var; - DPRINTK("EXIT\n"); - return(i); - } - } - /* ++Andre: set virgefb default mode */ - -/* prefer 16 bit depth, 8 if no 16, if no 8 or 16 use 32 */ - -#ifdef FBCON_HAS_CFB32 - virgefb_default = virgefb_predefined[VIRGE32_DEFMODE].var; -#endif -#ifdef FBCON_HAS_CFB8 - virgefb_default = virgefb_predefined[VIRGE8_DEFMODE].var; -#endif -#ifdef FBCON_HAS_CFB16 - virgefb_default = virgefb_predefined[VIRGE16_DEFMODE].var; -#endif - DPRINTK("EXIT\n"); - return 0; -} - -/* - * Initialization - */ - -int __init virgefb_init(void) -{ - struct virgefb_par par; - unsigned long board_addr, board_size; - struct zorro_dev *z = NULL; - - DPRINTK("ENTER\n"); - - z = zorro_find_device(ZORRO_PROD_PHASE5_CYBERVISION64_3D, NULL); - if (!z) - return -ENODEV; - - board_addr = z->resource.start; - if (board_addr < 0x01000000) { - - /* board running in Z2 space. This includes the video memory - as well as the S3 register set */ - - on_zorro2 = 1; - board_size = 0x00400000; - - if (!request_mem_region(board_addr, board_size, "S3 ViRGE")) - return -ENOMEM; - - v_ram_phys = board_addr; - v_ram = ZTWO_VADDR(v_ram_phys); - mmio_regs_phys = (unsigned long)(board_addr + 0x003c0000); - vgaio_regs = (unsigned char *) ZTWO_VADDR(board_addr + 0x003c0000); - mmio_regs = (unsigned char *)ZTWO_VADDR(mmio_regs_phys); - vcode_switch_base = (unsigned long) ZTWO_VADDR(board_addr + 0x003a0000); - printk(KERN_INFO "CV3D detected running in Z2 mode.\n"); - - } else { - - /* board running in Z3 space. Separate video memory (3 apertures) - and S3 register set */ - - on_zorro2 = 0; - board_size = 0x01000000; - - if (!request_mem_region(board_addr, board_size, "S3 ViRGE")) - return -ENOMEM; - - v_ram_phys = board_addr + 0x04000000; - v_ram = (unsigned long)ioremap(v_ram_phys, 0x01000000); - mmio_regs_phys = board_addr + 0x05000000; - vgaio_regs = (unsigned char *)ioremap(board_addr +0x0c000000, 0x00100000); /* includes PCI regs */ - mmio_regs = ioremap(mmio_regs_phys, 0x00010000); - vcode_switch_base = (unsigned long)ioremap(board_addr + 0x08000000, 0x1000); - printk(KERN_INFO "CV3D detected running in Z3 mode\n"); - } - -#if defined (VIRGEFBDEBUG) - DPRINTK("board_addr : 0x%8.8lx\n",board_addr); - DPRINTK("board_size : 0x%8.8lx\n",board_size); - DPRINTK("mmio_regs_phy : 0x%8.8lx\n",mmio_regs_phys); - DPRINTK("v_ram_phys : 0x%8.8lx\n",v_ram_phys); - DPRINTK("vgaio_regs : 0x%8.8lx\n",(unsigned long)vgaio_regs); - DPRINTK("mmio_regs : 0x%8.8lx\n",(unsigned long)mmio_regs); - DPRINTK("v_ram : 0x%8.8lx\n",v_ram); - DPRINTK("vcode sw base : 0x%8.8lx\n",vcode_switch_base); -#endif - fbhw = &virgefb_hw_switch; - strcpy(fb_info.modename, virgefb_name); - fb_info.changevar = NULL; - fb_info.fbops = &virgefb_ops; - fb_info.disp = &disp; - fb_info.currcon = -1; - fb_info.switch_con = &virgefb_switch; - fb_info.updatevar = &virgefb_updatevar; - fb_info.flags = FBINFO_FLAG_DEFAULT; - fbhw->init(); - fbhw->decode_var(&virgefb_default, &par); - fbhw->encode_var(&virgefb_default, &par); - virgefb_do_fb_set_var(&virgefb_default, 1); - virgefb_get_var(&fb_display[0].var, -1, &fb_info); - virgefb_set_disp(-1, &fb_info); - do_install_cmap(0, &fb_info); - - if (register_framebuffer(&fb_info) < 0) { - #warning release resources - printk(KERN_ERR "virgefb.c: register_framebuffer failed\n"); - DPRINTK("EXIT\n"); - goto out_unmap; - } - - printk(KERN_INFO "fb%d: %s frame buffer device, using %ldK of video memory\n", - fb_info.node, fb_info.modename, v_ram_size>>10); - - /* TODO: This driver cannot be unloaded yet */ - - DPRINTK("EXIT\n"); - return 0; - -out_unmap: - if (board_addr >= 0x01000000) { - if (v_ram) - iounmap((void*)v_ram); - if (vgaio_regs) - iounmap(vgaio_regs); - if (mmio_regs) - iounmap(mmio_regs); - if (vcode_switch_base) - iounmap((void*)vcode_switch_base); - v_ram = vcode_switch_base = 0; - vgaio_regs = mmio_regs = NULL; - } - return -EINVAL; -} - - -static int virgefb_switch(int con, struct fb_info *info) -{ - DPRINTK("ENTER\n"); - /* Do we have to save the colormap? */ - if (fb_display[info->currcon].cmap.len) - fb_get_cmap(&fb_display[info->currcon].cmap, 1, - fbhw->getcolreg, info); - virgefb_do_fb_set_var(&fb_display[con].var, 1); - info->currcon = con; - /* Install new colormap */ - do_install_cmap(con, info); - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * Update the `var' structure (called by fbcon.c) - * - * This call looks only at yoffset and the FB_VMODE_YWRAP flag in `var'. - * Since it's called by a kernel driver, no range checking is done. - */ - -static int virgefb_updatevar(int con, struct fb_info *info) -{ - DPRINTK("ENTER\n"); - return 0; - DPRINTK("EXIT\n"); -} - -/* - * Blank the display. - */ - -static int virgefb_blank(int blank, struct fb_info *info) -{ - DPRINTK("ENTER\n"); - fbhw->blank(blank); - DPRINTK("EXIT\n"); - return 0; -} - - -/* - * Text console acceleration - */ - -#ifdef FBCON_HAS_CFB8 -static void fbcon_virge8_bmove(struct display *p, int sy, int sx, int dy, - int dx, int height, int width) -{ - sx *= 8; dx *= 8; width *= 8; - virgefb_BitBLT((u_short)sx, (u_short)(sy*fontheight(p)), (u_short)dx, - (u_short)(dy*fontheight(p)), (u_short)width, - (u_short)(height*fontheight(p)), (u_short)p->next_line, 8); -} - -static void fbcon_virge8_clear(struct vc_data *conp, struct display *p, int sy, - int sx, int height, int width) -{ - unsigned char bg; - - sx *= 8; width *= 8; - bg = attr_bgcol_ec(p,conp); - virgefb_RectFill((u_short)sx, (u_short)(sy*fontheight(p)), - (u_short)width, (u_short)(height*fontheight(p)), - (u_short)bg, (u_short)p->next_line, 8); -} - -static void fbcon_virge8_putc(struct vc_data *conp, struct display *p, int c, int yy, - int xx) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb8_putc(conp, p, c, yy, xx); -} - -static void fbcon_virge8_putcs(struct vc_data *conp, struct display *p, - const unsigned short *s, int count, int yy, int xx) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb8_putcs(conp, p, s, count, yy, xx); -} - -static void fbcon_virge8_revc(struct display *p, int xx, int yy) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb8_revc(p, xx, yy); -} - -static void fbcon_virge8_clear_margins(struct vc_data *conp, struct display *p, - int bottom_only) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb8_clear_margins(conp, p, bottom_only); -} - -static struct display_switch fbcon_virge8 = { - .setup = fbcon_cfb8_setup, - .bmove = fbcon_virge8_bmove, - .clear = fbcon_virge8_clear, - .putc = fbcon_virge8_putc, - .putcs = fbcon_virge8_putcs, - .revc = fbcon_virge8_revc, - .clear_margins = fbcon_virge8_clear_margins, - .fontwidthmask = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) -}; -#endif - -#ifdef FBCON_HAS_CFB16 -static void fbcon_virge16_bmove(struct display *p, int sy, int sx, int dy, - int dx, int height, int width) -{ - sx *= 8; dx *= 8; width *= 8; - virgefb_BitBLT((u_short)sx, (u_short)(sy*fontheight(p)), (u_short)dx, - (u_short)(dy*fontheight(p)), (u_short)width, - (u_short)(height*fontheight(p)), (u_short)p->next_line, 16); -} - -static void fbcon_virge16_clear(struct vc_data *conp, struct display *p, int sy, - int sx, int height, int width) -{ - unsigned char bg; - - sx *= 8; width *= 8; - bg = attr_bgcol_ec(p,conp); - virgefb_RectFill((u_short)sx, (u_short)(sy*fontheight(p)), - (u_short)width, (u_short)(height*fontheight(p)), - (u_short)bg, (u_short)p->next_line, 16); -} - -static void fbcon_virge16_putc(struct vc_data *conp, struct display *p, int c, int yy, - int xx) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb16_putc(conp, p, c, yy, xx); -} - -static void fbcon_virge16_putcs(struct vc_data *conp, struct display *p, - const unsigned short *s, int count, int yy, int xx) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb16_putcs(conp, p, s, count, yy, xx); -} - -static void fbcon_virge16_revc(struct display *p, int xx, int yy) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb16_revc(p, xx, yy); -} - -static void fbcon_virge16_clear_margins(struct vc_data *conp, struct display *p, - int bottom_only) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb16_clear_margins(conp, p, bottom_only); -} - -static struct display_switch fbcon_virge16 = { - .setup = fbcon_cfb16_setup, - .bmove = fbcon_virge16_bmove, - .clear = fbcon_virge16_clear, - .putc = fbcon_virge16_putc, - .putcs = fbcon_virge16_putcs, - .revc = fbcon_virge16_revc, - .clear_margins = fbcon_virge16_clear_margins, - .fontwidthmask = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) -}; -#endif - -#ifdef FBCON_HAS_CFB32 -static void fbcon_virge32_bmove(struct display *p, int sy, int sx, int dy, - int dx, int height, int width) -{ - sx *= 16; dx *= 16; width *= 16; /* doubled these values to do 32 bit blit */ - virgefb_BitBLT((u_short)sx, (u_short)(sy*fontheight(p)), (u_short)dx, - (u_short)(dy*fontheight(p)), (u_short)width, - (u_short)(height*fontheight(p)), (u_short)p->next_line, 16); -} - -static void fbcon_virge32_clear(struct vc_data *conp, struct display *p, int sy, - int sx, int height, int width) -{ - unsigned char bg; - - sx *= 16; width *= 16; /* doubled these values to do 32 bit blit */ - bg = attr_bgcol_ec(p,conp); - virgefb_RectFill((u_short)sx, (u_short)(sy*fontheight(p)), - (u_short)width, (u_short)(height*fontheight(p)), - (u_short)bg, (u_short)p->next_line, 16); -} - -static void fbcon_virge32_putc(struct vc_data *conp, struct display *p, int c, int yy, - int xx) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb32_putc(conp, p, c, yy, xx); -} - -static void fbcon_virge32_putcs(struct vc_data *conp, struct display *p, - const unsigned short *s, int count, int yy, int xx) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb32_putcs(conp, p, s, count, yy, xx); -} - -static void fbcon_virge32_revc(struct display *p, int xx, int yy) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb32_revc(p, xx, yy); -} - -static void fbcon_virge32_clear_margins(struct vc_data *conp, struct display *p, - int bottom_only) -{ - if (blit_maybe_busy) - virgefb_wait_for_idle(); - fbcon_cfb32_clear_margins(conp, p, bottom_only); -} - -static struct display_switch fbcon_virge32 = { - .setup = fbcon_cfb32_setup, - .bmove = fbcon_virge32_bmove, - .clear = fbcon_virge32_clear, - .putc = fbcon_virge32_putc, - .putcs = fbcon_virge32_putcs, - .revc = fbcon_virge32_revc, - .clear_margins = fbcon_virge32_clear_margins, - .fontwidthmask = FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) -}; -#endif - -#ifdef MODULE -MODULE_LICENSE("GPL"); - -int init_module(void) -{ - return virgefb_init(); -} -#endif /* MODULE */ - -static int cv3d_has_4mb(void) -{ - /* cyberfb version didn't work, neither does this (not reliably) - forced to return 4MB */ -#if 0 - volatile unsigned long *t0, *t2; -#endif - DPRINTK("ENTER\n"); -#if 0 - /* write patterns in memory and test if they can be read */ - t0 = (volatile unsigned long *)v_ram; - t2 = (volatile unsigned long *)(v_ram + 0x00200000); - *t0 = 0x87654321; - *t2 = 0x12345678; - - if (*t0 != 0x87654321) { - /* read of first location failed */ - DPRINTK("EXIT - 0MB !\n"); - return 0; - } - - if (*t2 == 0x87654321) { - /* should read 0x12345678 if 4MB */ - DPRINTK("EXIT - 2MB(a) \n"); - return 0; - } - - if (*t2 != 0x12345678) { - /* upper 2MB read back match failed */ - DPRINTK("EXIT - 2MB(b)\n"); - return 0; - } - - /* may have 4MB */ - - *t2 = 0xAAAAAAAA; - - if(*t2 != 0xAAAAAAAA) { - /* upper 2MB read back match failed */ - DPRINTK("EXIT - 2MB(c)\n"); - return 0; - } - - *t2 = 0x55555555; - - if(*t2 != 0x55555555) { - /* upper 2MB read back match failed */ - DPRINTK("EXIT - 2MB(d)\n"); - return 0; - } - -#endif - DPRINTK("EXIT - 4MB\n"); - return 1; -} - - -/* - * Computes M, N, and R pll params for freq arg. - * Returns 16 bits - hi 0MMMMMM lo 0RRNNNNN - */ - -#define REFCLOCK 14318000 - -static unsigned short virgefb_compute_clock(unsigned long freq) -{ - - unsigned char m, n, r, rpwr; - unsigned long diff, ftry, save = ~0UL; - unsigned short mnr; - - DPRINTK("ENTER\n"); - - for (r = 0, rpwr = 1 ; r < 4 ; r++, rpwr *= 2) { - if ((135000000 <= (rpwr * freq)) && ((rpwr * freq) <= 270000000)) { - for (n = 1 ; n < 32 ; n++) { - m = ((freq * (n + 2) * rpwr)/REFCLOCK) - 2; - if (m == 0 || m >127) - break; - ftry = ((REFCLOCK / (n + 2)) * (m + 2)) / rpwr; - if (ftry > freq) - diff = ftry - freq; - else - diff = freq - ftry; - if (diff < save) { - save = diff; - mnr = (m << 8) | (r<<5) | (n & 0x7f); - } - } - } - } - if (save == ~0UL) - printk("Can't compute clock PLL values for %ld Hz clock\n", freq); - DPRINTK("EXIT\n"); - return(mnr); -} - -static void virgefb_load_video_mode(struct fb_var_screeninfo *video_mode) -{ - unsigned char lace, dblscan, tmp; - unsigned short mnr; - unsigned short HT, HDE, HBS, HBW, HSS, HSW; - unsigned short VT, VDE, VBS, VBW, VSS, VSW; - unsigned short SCO; - int cr11; - int cr67; - int hmul; - int xres, xres_virtual, hfront, hsync, hback; - int yres, vfront, vsync, vback; - int bpp; - int i; - long freq; - - DPRINTK("ENTER : %dx%d-%d\n",video_mode->xres, video_mode->yres, - video_mode->bits_per_pixel); - - bpp = video_mode->bits_per_pixel; - xres = video_mode->xres; - xres_virtual = video_mode->xres_virtual; - hfront = video_mode->right_margin; - hsync = video_mode->hsync_len; - hback = video_mode->left_margin; - - lace = 0; - dblscan = 0; - - if (video_mode->vmode & FB_VMODE_DOUBLE) { - yres = video_mode->yres * 2; - vfront = video_mode->lower_margin * 2; - vsync = video_mode->vsync_len * 2; - vback = video_mode->upper_margin * 2; - dblscan = 1; - } else if (video_mode->vmode & FB_VMODE_INTERLACED) { - yres = (video_mode->yres + 1) / 2; - vfront = (video_mode->lower_margin + 1) / 2; - vsync = (video_mode->vsync_len + 1) / 2; - vback = (video_mode->upper_margin + 1) / 2; - lace = 1; - } else { - yres = video_mode->yres; - vfront = video_mode->lower_margin; - vsync = video_mode->vsync_len; - vback = video_mode->upper_margin; - } - - switch (bpp) { - case 8: - video_mode->red.offset = 0; - video_mode->green.offset = 0; - video_mode->blue.offset = 0; - video_mode->transp.offset = 0; - video_mode->red.length = 8; - video_mode->green.length = 8; - video_mode->blue.length = 8; - video_mode->transp.length = 0; - hmul = 1; - cr67 = 0x00; - SCO = xres_virtual / 8; - break; - case 16: - video_mode->red.offset = 11; - video_mode->green.offset = 5; - video_mode->blue.offset = 0; - video_mode->transp.offset = 0; - video_mode->red.length = 5; - video_mode->green.length = 6; - video_mode->blue.length = 5; - video_mode->transp.length = 0; - hmul = 2; - cr67 = 0x50; - SCO = xres_virtual / 4; - break; - case 32: - video_mode->red.offset = 16; - video_mode->green.offset = 8; - video_mode->blue.offset = 0; - video_mode->transp.offset = 24; - video_mode->red.length = 8; - video_mode->green.length = 8; - video_mode->blue.length = 8; - video_mode->transp.length = 8; - hmul = 1; - cr67 = 0xd0; - SCO = xres_virtual / 2; - break; - } - - HT = (((xres + hfront + hsync + hback) / 8) * hmul) - 5; - HDE = ((xres / 8) * hmul) - 1; - HBS = (xres / 8) * hmul; - HSS = ((xres + hfront) / 8) * hmul; - HSW = (hsync / 8) * hmul; - HBW = (((hfront + hsync + hback) / 8) * hmul) - 2; - - VT = yres + vfront + vsync + vback - 2; - VDE = yres - 1; - VBS = yres - 1; - VSS = yres + vfront; - VSW = vsync; - VBW = vfront + vsync + vback - 2; - -#ifdef VIRGEFBDEBUG - DPRINTK("HDE : 0x%4.4x, %4.4d\n", HDE, HDE); - DPRINTK("HBS : 0x%4.4x, %4.4d\n", HBS, HBS); - DPRINTK("HSS : 0x%4.4x, %4.4d\n", HSS, HSS); - DPRINTK("HSW : 0x%4.4x, %4.4d\n", HSW, HSW); - DPRINTK("HBW : 0x%4.4x, %4.4d\n", HBW, HBW); - DPRINTK("HSS + HSW : 0x%4.4x, %4.4d\n", HSS+HSW, HSS+HSW); - DPRINTK("HBS + HBW : 0x%4.4x, %4.4d\n", HBS+HBW, HBS+HBW); - DPRINTK("HT : 0x%4.4x, %4.4d\n", HT, HT); - DPRINTK("VDE : 0x%4.4x, %4.4d\n", VDE, VDE); - DPRINTK("VBS : 0x%4.4x, %4.4d\n", VBS, VBS); - DPRINTK("VSS : 0x%4.4x, %4.4d\n", VSS, VSS); - DPRINTK("VSW : 0x%4.4x, %4.4d\n", VSW, VSW); - DPRINTK("VBW : 0x%4.4x, %4.4d\n", VBW, VBW); - DPRINTK("VT : 0x%4.4x, %4.4d\n", VT, VT); -#endif - -/* turn gfx off, don't mess up the display */ - - gfx_on_off(1); - -/* H and V sync polarity */ - - tmp = rb_mmio(GREG_MISC_OUTPUT_R) & 0x2f; /* colour, ram enable, clk sr12/s13 sel */ - if (!(video_mode->sync & FB_SYNC_HOR_HIGH_ACT)) - tmp |= 0x40; /* neg H sync polarity */ - if (!(video_mode->sync & FB_SYNC_VERT_HIGH_ACT)) - tmp |= 0x80; /* neg V sync polarity */ - tmp |= 0x0c; /* clk from sr12/sr13 */ - wb_mmio(GREG_MISC_OUTPUT_W, tmp); - -/* clocks */ - - wseq(SEQ_ID_BUS_REQ_CNTL, 0xc0); /* 2 clk mem wr and /RAS1 */ - wseq(SEQ_ID_CLKSYN_CNTL_2, 0x80); /* b7 is 2 mem clk wr */ - mnr = virgefb_compute_clock(MEMCLOCK); - DPRINTK("mem clock %d, m %d, n %d, r %d.\n", MEMCLOCK, ((mnr>>8)&0x7f), (mnr&0x1f), ((mnr >> 5)&0x03)); - wseq(SEQ_ID_MCLK_LO, (mnr & 0x7f)); - wseq(SEQ_ID_MCLK_HI, ((mnr & 0x7f00) >> 8)); - freq = (1000000000 / video_mode->pixclock) * 1000; /* pixclock is in ps ... convert to Hz */ - mnr = virgefb_compute_clock(freq); - DPRINTK("dot clock %ld, m %d, n %d, r %d.\n", freq, ((mnr>>8)&0x7f), (mnr&0x1f), ((mnr>>5)&0x03)); - wseq(SEQ_ID_DCLK_LO, (mnr & 0x7f)); - wseq(SEQ_ID_DCLK_HI, ((mnr & 0x7f00) >> 8)); - wseq(SEQ_ID_CLKSYN_CNTL_2, 0xa0); - wseq(SEQ_ID_CLKSYN_CNTL_2, 0x80); - udelay(100); - -/* load display parameters into board */ - - /* not sure about sync and blanking extensions bits in cr5d and cr5 */ - - wcrt(CRT_ID_EXT_HOR_OVF, /* 0x5d */ - ((HT & 0x100) ? 0x01 : 0x00) | - ((HDE & 0x100) ? 0x02 : 0x00) | - ((HBS & 0x100) ? 0x04 : 0x00) | - /* (((HBS + HBW) & 0x40) ? 0x08 : 0x00) | */ - ((HSS & 0x100) ? 0x10 : 0x00) | - /* (((HSS + HSW) & 0x20) ? 0x20 : 0x00) | */ - ((HSW >= 0x20) ? 0x20 : 0x00) | - (((HT-5) & 0x100) ? 0x40 : 0x00)); - - wcrt(CRT_ID_EXT_VER_OVF, /* 0x5e */ - ((VT & 0x400) ? 0x01 : 0x00) | - ((VDE & 0x400) ? 0x02 : 0x00) | - ((VBS & 0x400) ? 0x04 : 0x00) | - ((VSS & 0x400) ? 0x10 : 0x00) | - 0x40); /* line compare */ - - wcrt(CRT_ID_START_VER_RETR, VSS); - cr11 = rcrt(CRT_ID_END_VER_RETR) | 0x20; /* vert interrupt flag */ - wcrt(CRT_ID_END_VER_RETR, ((cr11 & 0x20) | ((VSS + VSW) & 0x0f))); /* keeps vert irq enable state, also has unlock bit cr0 to 7 */ - wcrt(CRT_ID_VER_DISP_ENA_END, VDE); - wcrt(CRT_ID_START_VER_BLANK, VBS); - wcrt(CRT_ID_END_VER_BLANK, VBS + VBW); /* might be +/- 1 out */ - wcrt(CRT_ID_HOR_TOTAL, HT); - wcrt(CRT_ID_DISPLAY_FIFO, HT - 5); - wcrt(CRT_ID_BACKWAD_COMP_3, 0x10); /* enable display fifo */ - wcrt(CRT_ID_HOR_DISP_ENA_END, HDE); - wcrt(CRT_ID_START_HOR_BLANK , HBS); - wcrt(CRT_ID_END_HOR_BLANK, (HBS + HBW) & 0x1f); - wcrt(CRT_ID_START_HOR_RETR, HSS); - wcrt(CRT_ID_END_HOR_RETR, /* cr5 */ - ((HSS + HSW) & 0x1f) | - (((HBS + HBW) & 0x20) ? 0x80 : 0x00)); - wcrt(CRT_ID_VER_TOTAL, VT); - wcrt(CRT_ID_OVERFLOW, - ((VT & 0x100) ? 0x01 : 0x00) | - ((VDE & 0x100) ? 0x02 : 0x00) | - ((VSS & 0x100) ? 0x04 : 0x00) | - ((VBS & 0x100) ? 0x08 : 0x00) | - 0x10 | - ((VT & 0x200) ? 0x20 : 0x00) | - ((VDE & 0x200) ? 0x40 : 0x00) | - ((VSS & 0x200) ? 0x80 : 0x00)); - wcrt(CRT_ID_MAX_SCAN_LINE, - (dblscan ? 0x80 : 0x00) | - 0x40 | - ((VBS & 0x200) ? 0x20 : 0x00)); - wcrt(CRT_ID_LINE_COMPARE, 0xff); - wcrt(CRT_ID_LACE_RETR_START, HT / 2); /* (HT-5)/2 ? */ - wcrt(CRT_ID_LACE_CONTROL, (lace ? 0x20 : 0x00)); - - wcrt(CRT_ID_SCREEN_OFFSET, SCO); - wcrt(CRT_ID_EXT_SYS_CNTL_2, (SCO >> 4) & 0x30 ); - - /* wait for vert sync before cr67 update */ - - for (i=0; i < 10000; i++) { - udelay(10); - mb(); - if (rb_mmio(GREG_INPUT_STATUS1_R) & 0x08) - break; - } - - wl_mmio(0x8200, 0x0000c000); /* fifo control (0x00110400 ?) */ - wcrt(CRT_ID_EXT_MISC_CNTL_2, cr67); - -/* enable video */ - - tmp = rb_mmio(ACT_ADDRESS_RESET); - wb_mmio(ACT_ADDRESS_W, ((bpp == 8) ? 0x20 : 0x00)); /* set b5, ENB PLT in attr idx reg) */ - tmp = rb_mmio(ACT_ADDRESS_RESET); - -/* turn gfx on again */ - - gfx_on_off(0); - -/* pass-through */ - - SetVSwitch(1); /* cv3d */ - - DUMP; - DPRINTK("EXIT\n"); -} - -static inline void gfx_on_off(int toggle) -{ - unsigned char tmp; - - DPRINTK("ENTER gfx %s\n", (toggle ? "off" : "on")); - - toggle = (toggle & 0x01) << 5; - tmp = rseq(SEQ_ID_CLOCKING_MODE) & (~(0x01 << 5)); - wseq(SEQ_ID_CLOCKING_MODE, tmp | toggle); - - DPRINTK("EXIT\n"); -} - -#if defined (VIRGEFBDUMP) - -/* - * Dump board registers - */ - -static void cv64_dump(void) -{ - int i; - u8 c, b; - u16 w; - u32 l; - - /* crt, seq, gfx and atr regs */ - - SelectMMIO; - - printk("\n"); - for (i = 0; i <= 0x6f; i++) { - wb_mmio(CRT_ADDRESS, i); - printk("crt idx : 0x%2.2x : 0x%2.2x\n", i, rb_mmio(CRT_ADDRESS_R)); - } - for (i = 0; i <= 0x1c; i++) { - wb_mmio(SEQ_ADDRESS, i); - printk("seq idx : 0x%2.2x : 0x%2.2x\n", i, rb_mmio(SEQ_ADDRESS_R)); - } - for (i = 0; i <= 8; i++) { - wb_mmio(GCT_ADDRESS, i); - printk("gfx idx : 0x%2.2x : 0x%2.2x\n", i, rb_mmio(GCT_ADDRESS_R)); - } - for (i = 0; i <= 0x14; i++) { - c = rb_mmio(ACT_ADDRESS_RESET); - wb_mmio(ACT_ADDRESS_W, i); - printk("atr idx : 0x%2.2x : 0x%2.2x\n", i, rb_mmio(ACT_ADDRESS_R)); - } - - /* re-enable video access to palette */ - - c = rb_mmio(ACT_ADDRESS_RESET); - udelay(10); - wb_mmio(ACT_ADDRESS_W, 0x20); - c = rb_mmio(ACT_ADDRESS_RESET); - udelay(10); - - /* general regs */ - - printk("0x3cc(w 0x3c2) : 0x%2.2x\n", rb_mmio(0x3cc)); /* GREG_MISC_OUTPUT READ */ - printk("0x3c2(-------) : 0x%2.2x\n", rb_mmio(0x3c2)); /* GREG_INPUT_STATUS 0 READ */ - printk("0x3c3(w 0x3c3) : 0x%2.2x\n", rb_vgaio(0x3c3)); /* GREG_VIDEO_SUBS_ENABLE */ - printk("0x3ca(w 0x3da) : 0x%2.2x\n", rb_vgaio(0x3ca)); /* GREG_FEATURE_CONTROL read */ - printk("0x3da(-------) : 0x%2.2x\n", rb_mmio(0x3da)); /* GREG_INPUT_STATUS 1 READ */ - - /* engine regs */ - - for (i = 0x8180; i <= 0x8200; i = i + 4) - printk("0x%8.8x : 0x%8.8x\n", i, rl_mmio(i)); - - i = 0x8504; - printk("0x%8.8x : 0x%8.8x\n", i, rl_mmio(i)); - i = 0x850c; - printk("0x%8.8x : 0x%8.8x\n", i, rl_mmio(i)); - for (i = 0xa4d4; i <= 0xa50c; i = i + 4) - printk("0x%8.8x : 0x%8.8x\n", i, rl_mmio(i)); - - /* PCI regs */ - - SelectCFG; - - for (c = 0; c < 0x08; c = c + 2) { - w = (*((u16 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000)) ^ 2))); - printk("pci 0x%2.2x : 0x%4.4x\n", c, w); - } - c = 8; - l = (*((u32 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000))))); - printk("pci 0x%2.2x : 0x%8.8x\n", c, l); - c = 0x0d; - b = (*((u8 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000)) ^ 3))); - printk("pci 0x%2.2x : 0x%2.2x\n", c, b); - c = 0x10; - l = (*((u32 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000))))); - printk("pci 0x%2.2x : 0x%8.8x\n", c, l); - c = 0x30; - l = (*((u32 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000))))); - printk("pci 0x%2.2x : 0x%8.8x\n", c, l); - c = 0x3c; - b = (*((u8 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000)) ^ 3))); - printk("pci 0x%2.2x : 0x%2.2x\n", c, b); - c = 0x3d; - b = (*((u8 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000)) ^ 3))); - printk("pci 0x%2.2x : 0x%2.2x\n", c, b); - c = 0x3e; - w = (*((u16 *)((u32)(vgaio_regs + c + (on_zorro2 ? 0 : 0x000e0000)) ^ 2))); - printk("pci 0x%2.2x : 0x%4.4x\n", c, w); - SelectMMIO; -} -#endif |