diff options
Diffstat (limited to 'drivers/video/tridentfb.c')
| -rw-r--r-- | drivers/video/tridentfb.c | 1303 |
1 files changed, 0 insertions, 1303 deletions
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c deleted file mode 100644 index 14175cdb9c9..00000000000 --- a/drivers/video/tridentfb.c +++ /dev/null @@ -1,1303 +0,0 @@ -/* - * Frame buffer driver for Trident Blade and Image series - * - * Copyright 2001,2002 - Jani Monoses <jani@iv.ro> - * - * - * CREDITS:(in order of appearance) - * skeletonfb.c by Geert Uytterhoeven and other fb code in drivers/video - * Special thanks ;) to Mattia Crivellini <tia@mclink.it> - * much inspired by the XFree86 4.x Trident driver sources by Alan Hourihane - * the FreeVGA project - * Francesco Salvestrini <salvestrini@users.sf.net> XP support,code,suggestions - * TODO: - * timing value tweaking so it looks good on every monitor in every mode - * TGUI acceleration - */ - -#include <linux/module.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> - -#include <linux/delay.h> -#include <video/trident.h> - -#define VERSION "0.7.8-NEWAPI" - -struct tridentfb_par { - int vclk; //in MHz - void __iomem * io_virt; //iospace virtual memory address -}; - -static unsigned char eng_oper; //engine operation... -static struct fb_ops tridentfb_ops; - -static struct tridentfb_par default_par; - -/* FIXME:kmalloc these 3 instead */ -static struct fb_info fb_info; -static u32 pseudo_pal[16]; - - -static struct fb_var_screeninfo default_var; - -static struct fb_fix_screeninfo tridentfb_fix = { - .id = "Trident", - .type = FB_TYPE_PACKED_PIXELS, - .ypanstep = 1, - .visual = FB_VISUAL_PSEUDOCOLOR, - .accel = FB_ACCEL_NONE, -}; - -static int chip_id; - -static int defaultaccel; -static int displaytype; - - -/* defaults which are normally overriden by user values */ - -/* video mode */ -static char * mode = "640x480"; -static int bpp = 8; - -static int noaccel; - -static int center; -static int stretch; - -static int fp; -static int crt; - -static int memsize; -static int memdiff; -static int nativex; - - -module_param(mode, charp, 0); -module_param(bpp, int, 0); -module_param(center, int, 0); -module_param(stretch, int, 0); -module_param(noaccel, int, 0); -module_param(memsize, int, 0); -module_param(memdiff, int, 0); -module_param(nativex, int, 0); -module_param(fp, int, 0); -module_param(crt, int, 0); - - -static int chip3D; -static int chipcyber; - -static int is3Dchip(int id) -{ - return ((id == BLADE3D) || (id == CYBERBLADEE4) || - (id == CYBERBLADEi7) || (id == CYBERBLADEi7D) || - (id == CYBER9397) || (id == CYBER9397DVD) || - (id == CYBER9520) || (id == CYBER9525DVD) || - (id == IMAGE975) || (id == IMAGE985) || - (id == CYBERBLADEi1) || (id == CYBERBLADEi1D) || - (id == CYBERBLADEAi1) || (id == CYBERBLADEAi1D) || - (id == CYBERBLADEXPm8) || (id == CYBERBLADEXPm16) || - (id == CYBERBLADEXPAi1)); -} - -static int iscyber(int id) -{ - switch (id) { - case CYBER9388: - case CYBER9382: - case CYBER9385: - case CYBER9397: - case CYBER9397DVD: - case CYBER9520: - case CYBER9525DVD: - case CYBERBLADEE4: - case CYBERBLADEi7D: - case CYBERBLADEi1: - case CYBERBLADEi1D: - case CYBERBLADEAi1: - case CYBERBLADEAi1D: - case CYBERBLADEXPAi1: - return 1; - - case CYBER9320: - case TGUI9660: - case IMAGE975: - case IMAGE985: - case BLADE3D: - case CYBERBLADEi7: /* VIA MPV4 integrated version */ - - default: - /* case CYBERBLDAEXPm8: Strange */ - /* case CYBERBLDAEXPm16: Strange */ - return 0; - } -} - -#define CRT 0x3D0 //CRTC registers offset for color display - -#ifndef TRIDENT_MMIO - #define TRIDENT_MMIO 1 -#endif - -#if TRIDENT_MMIO - #define t_outb(val,reg) writeb(val,((struct tridentfb_par *)(fb_info.par))->io_virt + reg) - #define t_inb(reg) readb(((struct tridentfb_par*)(fb_info.par))->io_virt + reg) -#else - #define t_outb(val,reg) outb(val,reg) - #define t_inb(reg) inb(reg) -#endif - - -static struct accel_switch { - void (*init_accel)(int,int); - void (*wait_engine)(void); - void (*fill_rect)(__u32,__u32,__u32,__u32,__u32,__u32); - void (*copy_rect)(__u32,__u32,__u32,__u32,__u32,__u32); -} *acc; - -#define writemmr(r,v) writel(v, ((struct tridentfb_par *)fb_info.par)->io_virt + r) -#define readmmr(r) readl(((struct tridentfb_par *)fb_info.par)->io_virt + r) - - - -/* - * Blade specific acceleration. - */ - -#define point(x,y) ((y)<<16|(x)) -#define STA 0x2120 -#define CMD 0x2144 -#define ROP 0x2148 -#define CLR 0x2160 -#define SR1 0x2100 -#define SR2 0x2104 -#define DR1 0x2108 -#define DR2 0x210C - -#define ROP_S 0xCC - -static void blade_init_accel(int pitch,int bpp) -{ - int v1 = (pitch>>3)<<20; - int tmp = 0,v2; - switch (bpp) { - case 8:tmp = 0;break; - case 15:tmp = 5;break; - case 16:tmp = 1;break; - case 24: - case 32:tmp = 2;break; - } - v2 = v1 | (tmp<<29); - writemmr(0x21C0,v2); - writemmr(0x21C4,v2); - writemmr(0x21B8,v2); - writemmr(0x21BC,v2); - writemmr(0x21D0,v1); - writemmr(0x21D4,v1); - writemmr(0x21C8,v1); - writemmr(0x21CC,v1); - writemmr(0x216C,0); -} - -static void blade_wait_engine(void) -{ - while(readmmr(STA) & 0xFA800000); -} - -static void blade_fill_rect(__u32 x,__u32 y,__u32 w,__u32 h,__u32 c,__u32 rop) -{ - writemmr(CLR,c); - writemmr(ROP,rop ? 0x66:ROP_S); - writemmr(CMD,0x20000000|1<<19|1<<4|2<<2); - - writemmr(DR1,point(x,y)); - writemmr(DR2,point(x+w-1,y+h-1)); -} - -static void blade_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h) -{ - __u32 s1,s2,d1,d2; - int direction = 2; - s1 = point(x1,y1); - s2 = point(x1+w-1,y1+h-1); - d1 = point(x2,y2); - d2 = point(x2+w-1,y2+h-1); - - if ((y1 > y2) || ((y1 == y2) && (x1 > x2))) - direction = 0; - - - writemmr(ROP,ROP_S); - writemmr(CMD,0xE0000000|1<<19|1<<4|1<<2|direction); - - writemmr(SR1,direction?s2:s1); - writemmr(SR2,direction?s1:s2); - writemmr(DR1,direction?d2:d1); - writemmr(DR2,direction?d1:d2); -} - -static struct accel_switch accel_blade = { - blade_init_accel, - blade_wait_engine, - blade_fill_rect, - blade_copy_rect, -}; - - -/* - * BladeXP specific acceleration functions - */ - -#define ROP_P 0xF0 -#define masked_point(x,y) ((y & 0xffff)<<16|(x & 0xffff)) - -static void xp_init_accel(int pitch,int bpp) -{ - int tmp = 0,v1; - unsigned char x = 0; - - switch (bpp) { - case 8: x = 0; break; - case 16: x = 1; break; - case 24: x = 3; break; - case 32: x = 2; break; - } - - switch (pitch << (bpp >> 3)) { - case 8192: - case 512: x |= 0x00; break; - case 1024: x |= 0x04; break; - case 2048: x |= 0x08; break; - case 4096: x |= 0x0C; break; - } - - t_outb(x,0x2125); - - eng_oper = x | 0x40; - - switch (bpp) { - case 8: tmp = 18; break; - case 15: - case 16: tmp = 19; break; - case 24: - case 32: tmp = 20; break; - } - - v1 = pitch << tmp; - - writemmr(0x2154,v1); - writemmr(0x2150,v1); - t_outb(3,0x2126); -} - -static void xp_wait_engine(void) -{ - int busy; - int count, timeout; - - count = 0; - timeout = 0; - for (;;) { - busy = t_inb(STA) & 0x80; - if (busy != 0x80) - return; - count++; - if (count == 10000000) { - /* Timeout */ - count = 9990000; - timeout++; - if (timeout == 8) { - /* Reset engine */ - t_outb(0x00, 0x2120); - return; - } - } - } -} - -static void xp_fill_rect(__u32 x,__u32 y,__u32 w,__u32 h,__u32 c,__u32 rop) -{ - writemmr(0x2127,ROP_P); - writemmr(0x2158,c); - writemmr(0x2128,0x4000); - writemmr(0x2140,masked_point(h,w)); - writemmr(0x2138,masked_point(y,x)); - t_outb(0x01,0x2124); - t_outb(eng_oper,0x2125); -} - -static void xp_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h) -{ - int direction; - __u32 x1_tmp, x2_tmp, y1_tmp, y2_tmp; - - direction = 0x0004; - - if ((x1 < x2) && (y1 == y2)) { - direction |= 0x0200; - x1_tmp = x1 + w - 1; - x2_tmp = x2 + w - 1; - } else { - x1_tmp = x1; - x2_tmp = x2; - } - - if (y1 < y2) { - direction |= 0x0100; - y1_tmp = y1 + h - 1; - y2_tmp = y2 + h - 1; - } else { - y1_tmp = y1; - y2_tmp = y2; - } - - writemmr(0x2128,direction); - t_outb(ROP_S,0x2127); - writemmr(0x213C,masked_point(y1_tmp,x1_tmp)); - writemmr(0x2138,masked_point(y2_tmp,x2_tmp)); - writemmr(0x2140,masked_point(h,w)); - t_outb(0x01,0x2124); -} - -static struct accel_switch accel_xp = { - xp_init_accel, - xp_wait_engine, - xp_fill_rect, - xp_copy_rect, -}; - - -/* - * Image specific acceleration functions - */ -static void image_init_accel(int pitch,int bpp) -{ - int tmp = 0; - switch (bpp) { - case 8:tmp = 0;break; - case 15:tmp = 5;break; - case 16:tmp = 1;break; - case 24: - case 32:tmp = 2;break; - } - writemmr(0x2120, 0xF0000000); - writemmr(0x2120, 0x40000000|tmp); - writemmr(0x2120, 0x80000000); - writemmr(0x2144, 0x00000000); - writemmr(0x2148, 0x00000000); - writemmr(0x2150, 0x00000000); - writemmr(0x2154, 0x00000000); - writemmr(0x2120, 0x60000000|(pitch<<16) |pitch); - writemmr(0x216C, 0x00000000); - writemmr(0x2170, 0x00000000); - writemmr(0x217C, 0x00000000); - writemmr(0x2120, 0x10000000); - writemmr(0x2130, (2047 << 16) | 2047); -} - -static void image_wait_engine(void) -{ - while(readmmr(0x2164) & 0xF0000000); -} - -static void image_fill_rect(__u32 x, __u32 y, __u32 w, __u32 h, __u32 c, __u32 rop) -{ - writemmr(0x2120,0x80000000); - writemmr(0x2120,0x90000000|ROP_S); - - writemmr(0x2144,c); - - writemmr(DR1,point(x,y)); - writemmr(DR2,point(x+w-1,y+h-1)); - - writemmr(0x2124,0x80000000|3<<22|1<<10|1<<9); -} - -static void image_copy_rect(__u32 x1,__u32 y1,__u32 x2,__u32 y2,__u32 w,__u32 h) -{ - __u32 s1,s2,d1,d2; - int direction = 2; - s1 = point(x1,y1); - s2 = point(x1+w-1,y1+h-1); - d1 = point(x2,y2); - d2 = point(x2+w-1,y2+h-1); - - if ((y1 > y2) || ((y1 == y2) && (x1 >x2))) - direction = 0; - - writemmr(0x2120,0x80000000); - writemmr(0x2120,0x90000000|ROP_S); - - writemmr(SR1,direction?s2:s1); - writemmr(SR2,direction?s1:s2); - writemmr(DR1,direction?d2:d1); - writemmr(DR2,direction?d1:d2); - writemmr(0x2124,0x80000000|1<<22|1<<10|1<<7|direction); -} - - -static struct accel_switch accel_image = { - image_init_accel, - image_wait_engine, - image_fill_rect, - image_copy_rect, -}; - -/* - * Accel functions called by the upper layers - */ -#ifdef CONFIG_FB_TRIDENT_ACCEL -static void tridentfb_fillrect(struct fb_info * info, const struct fb_fillrect *fr) -{ - int bpp = info->var.bits_per_pixel; - int col = 0; - - switch (bpp) { - default: - case 8: col |= fr->color; - col |= col << 8; - col |= col << 16; - break; - case 16: col = ((u32 *)(info->pseudo_palette))[fr->color]; - - break; - case 32: col = ((u32 *)(info->pseudo_palette))[fr->color]; - break; - } - - acc->fill_rect(fr->dx, fr->dy, fr->width, fr->height, col, fr->rop); - acc->wait_engine(); -} -static void tridentfb_copyarea(struct fb_info *info, const struct fb_copyarea *ca) -{ - acc->copy_rect(ca->sx,ca->sy,ca->dx,ca->dy,ca->width,ca->height); - acc->wait_engine(); -} -#else /* !CONFIG_FB_TRIDENT_ACCEL */ -#define tridentfb_fillrect cfb_fillrect -#define tridentfb_copyarea cfb_copyarea -#endif /* CONFIG_FB_TRIDENT_ACCEL */ - - -/* - * Hardware access functions - */ - -static inline unsigned char read3X4(int reg) -{ - struct tridentfb_par * par = (struct tridentfb_par *)fb_info.par; - writeb(reg, par->io_virt + CRT + 4); - return readb( par->io_virt + CRT + 5); -} - -static inline void write3X4(int reg, unsigned char val) -{ - struct tridentfb_par * par = (struct tridentfb_par *)fb_info.par; - writeb(reg, par->io_virt + CRT + 4); - writeb(val, par->io_virt + CRT + 5); -} - -static inline unsigned char read3C4(int reg) -{ - t_outb(reg, 0x3C4); - return t_inb(0x3C5); -} - -static inline void write3C4(int reg, unsigned char val) -{ - t_outb(reg, 0x3C4); - t_outb(val, 0x3C5); -} - -static inline unsigned char read3CE(int reg) -{ - t_outb(reg, 0x3CE); - return t_inb(0x3CF); -} - -static inline void writeAttr(int reg, unsigned char val) -{ - readb(((struct tridentfb_par *)fb_info.par)->io_virt + CRT + 0x0A); //flip-flop to index - t_outb(reg, 0x3C0); - t_outb(val, 0x3C0); -} - -static inline void write3CE(int reg, unsigned char val) -{ - t_outb(reg, 0x3CE); - t_outb(val, 0x3CF); -} - -static inline void enable_mmio(void) -{ - /* Goto New Mode */ - outb(0x0B, 0x3C4); - inb(0x3C5); - - /* Unprotect registers */ - outb(NewMode1, 0x3C4); - outb(0x80, 0x3C5); - - /* Enable MMIO */ - outb(PCIReg, 0x3D4); - outb(inb(0x3D5) | 0x01, 0x3D5); -} - - -#define crtc_unlock() write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F) - -/* Return flat panel's maximum x resolution */ -static int __devinit get_nativex(void) -{ - int x,y,tmp; - - if (nativex) - return nativex; - - tmp = (read3CE(VertStretch) >> 4) & 3; - - switch (tmp) { - case 0: x = 1280; y = 1024; break; - case 2: x = 1024; y = 768; break; - case 3: x = 800; y = 600; break; - case 4: x = 1400; y = 1050; break; - case 1: - default:x = 640; y = 480; break; - } - - output("%dx%d flat panel found\n", x, y); - return x; -} - -/* Set pitch */ -static void set_lwidth(int width) -{ - write3X4(Offset, width & 0xFF); - write3X4(AddColReg, (read3X4(AddColReg) & 0xCF) | ((width & 0x300) >>4)); -} - -/* For resolutions smaller than FP resolution stretch */ -static void screen_stretch(void) -{ - if (chip_id != CYBERBLADEXPAi1) - write3CE(BiosReg,0); - else - write3CE(BiosReg,8); - write3CE(VertStretch,(read3CE(VertStretch) & 0x7C) | 1); - write3CE(HorStretch,(read3CE(HorStretch) & 0x7C) | 1); -} - -/* For resolutions smaller than FP resolution center */ -static void screen_center(void) -{ - write3CE(VertStretch,(read3CE(VertStretch) & 0x7C) | 0x80); - write3CE(HorStretch,(read3CE(HorStretch) & 0x7C) | 0x80); -} - -/* Address of first shown pixel in display memory */ -static void set_screen_start(int base) -{ - write3X4(StartAddrLow, base & 0xFF); - write3X4(StartAddrHigh, (base & 0xFF00) >> 8); - write3X4(CRTCModuleTest, (read3X4(CRTCModuleTest) & 0xDF) | ((base & 0x10000) >> 11)); - write3X4(CRTHiOrd, (read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17)); -} - -/* Use 20.12 fixed-point for NTSC value and frequency calculation */ -#define calc_freq(n,m,k) ( ((unsigned long)0xE517 * (n+8) / ((m+2)*(1<<k))) >> 12 ) - -/* Set dotclock frequency */ -static void set_vclk(int freq) -{ - int m,n,k; - int f,fi,d,di; - unsigned char lo=0,hi=0; - - d = 20; - for(k = 2;k>=0;k--) - for(m = 0;m<63;m++) - for(n = 0;n<128;n++) { - fi = calc_freq(n,m,k); - if ((di = abs(fi - freq)) < d) { - d = di; - f = fi; - lo = n; - hi = (k<<6) | m; - } - } - if (chip3D) { - write3C4(ClockHigh,hi); - write3C4(ClockLow,lo); - } else { - outb(lo,0x43C8); - outb(hi,0x43C9); - } - debug("VCLK = %X %X\n",hi,lo); -} - -/* Set number of lines for flat panels*/ -static void set_number_of_lines(int lines) -{ - int tmp = read3CE(CyberEnhance) & 0x8F; - if (lines > 1024) - tmp |= 0x50; - else if (lines > 768) - tmp |= 0x30; - else if (lines > 600) - tmp |= 0x20; - else if (lines > 480) - tmp |= 0x10; - write3CE(CyberEnhance, tmp); -} - -/* - * If we see that FP is active we assume we have one. - * Otherwise we have a CRT display.User can override. - */ -static unsigned int __devinit get_displaytype(void) -{ - if (fp) - return DISPLAY_FP; - if (crt || !chipcyber) - return DISPLAY_CRT; - return (read3CE(FPConfig) & 0x10)?DISPLAY_FP:DISPLAY_CRT; -} - -/* Try detecting the video memory size */ -static unsigned int __devinit get_memsize(void) -{ - unsigned char tmp, tmp2; - unsigned int k; - - /* If memory size provided by user */ - if (memsize) - k = memsize * Kb; - else - switch (chip_id) { - case CYBER9525DVD: k = 2560 * Kb; break; - default: - tmp = read3X4(SPR) & 0x0F; - switch (tmp) { - - case 0x01: k = 512; break; - case 0x02: k = 6 * Mb; break; /* XP */ - case 0x03: k = 1 * Mb; break; - case 0x04: k = 8 * Mb; break; - case 0x06: k = 10 * Mb; break; /* XP */ - case 0x07: k = 2 * Mb; break; - case 0x08: k = 12 * Mb; break; /* XP */ - case 0x0A: k = 14 * Mb; break; /* XP */ - case 0x0C: k = 16 * Mb; break; /* XP */ - case 0x0E: /* XP */ - - tmp2 = read3C4(0xC1); - switch (tmp2) { - case 0x00: k = 20 * Mb; break; - case 0x01: k = 24 * Mb; break; - case 0x10: k = 28 * Mb; break; - case 0x11: k = 32 * Mb; break; - default: k = 1 * Mb; break; - } - break; - - case 0x0F: k = 4 * Mb; break; - default: k = 1 * Mb; - } - } - - k -= memdiff * Kb; - output("framebuffer size = %d Kb\n", k/Kb); - return k; -} - -/* See if we can handle the video mode described in var */ -static int tridentfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - int bpp = var->bits_per_pixel; - debug("enter\n"); - - /* check color depth */ - if (bpp == 24 ) - bpp = var->bits_per_pixel = 32; - /* check whether resolution fits on panel and in memory*/ - if (flatpanel && nativex && var->xres > nativex) - return -EINVAL; - if (var->xres * var->yres_virtual * bpp/8 > info->fix.smem_len) - return -EINVAL; - - switch (bpp) { - case 8: - var->red.offset = 0; - var->green.offset = 0; - var->blue.offset = 0; - var->red.length = 6; - var->green.length = 6; - var->blue.length = 6; - break; - case 16: - var->red.offset = 11; - var->green.offset = 5; - var->blue.offset = 0; - var->red.length = 5; - var->green.length = 6; - var->blue.length = 5; - break; - case 32: - var->red.offset = 16; - var->green.offset = 8; - var->blue.offset = 0; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - break; - default: - return -EINVAL; - } - debug("exit\n"); - - return 0; - -} -/* Pan the display */ -static int tridentfb_pan_display(struct fb_var_screeninfo *var, - struct fb_info *info) -{ - unsigned int offset; - - debug("enter\n"); - offset = (var->xoffset + (var->yoffset * var->xres)) - * var->bits_per_pixel/32; - info->var.xoffset = var->xoffset; - info->var.yoffset = var->yoffset; - set_screen_start(offset); - debug("exit\n"); - return 0; -} - -#define shadowmode_on() write3CE(CyberControl,read3CE(CyberControl) | 0x81) -#define shadowmode_off() write3CE(CyberControl,read3CE(CyberControl) & 0x7E) - -/* Set the hardware to the requested video mode */ -static int tridentfb_set_par(struct fb_info *info) -{ - struct tridentfb_par * par = (struct tridentfb_par *)(info->par); - u32 htotal,hdispend,hsyncstart,hsyncend,hblankstart,hblankend, - vtotal,vdispend,vsyncstart,vsyncend,vblankstart,vblankend; - struct fb_var_screeninfo *var = &info->var; - int bpp = var->bits_per_pixel; - unsigned char tmp; - debug("enter\n"); - htotal = (var->xres + var->left_margin + var->right_margin + var->hsync_len)/8 - 10; - hdispend = var->xres/8 - 1; - hsyncstart = (var->xres + var->right_margin)/8; - hsyncend = var->hsync_len/8; - hblankstart = hdispend + 1; - hblankend = htotal + 5; - - vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len - 2; - vdispend = var->yres - 1; - vsyncstart = var->yres + var->lower_margin; - vsyncend = var->vsync_len; - vblankstart = var->yres; - vblankend = vtotal + 2; - - enable_mmio(); - crtc_unlock(); - write3CE(CyberControl,8); - - if (flatpanel && var->xres < nativex) { - /* - * on flat panels with native size larger - * than requested resolution decide whether - * we stretch or center - */ - t_outb(0xEB,0x3C2); - - shadowmode_on(); - - if (center) - screen_center(); - else if (stretch) - screen_stretch(); - - } else { - t_outb(0x2B,0x3C2); - write3CE(CyberControl,8); - } - - /* vertical timing values */ - write3X4(CRTVTotal, vtotal & 0xFF); - write3X4(CRTVDispEnd, vdispend & 0xFF); - write3X4(CRTVSyncStart, vsyncstart & 0xFF); - write3X4(CRTVSyncEnd, (vsyncend & 0x0F)); - write3X4(CRTVBlankStart, vblankstart & 0xFF); - write3X4(CRTVBlankEnd, 0/*p->vblankend & 0xFF*/); - - /* horizontal timing values */ - write3X4(CRTHTotal, htotal & 0xFF); - write3X4(CRTHDispEnd, hdispend & 0xFF); - write3X4(CRTHSyncStart, hsyncstart & 0xFF); - write3X4(CRTHSyncEnd, (hsyncend & 0x1F) | ((hblankend & 0x20)<<2)); - write3X4(CRTHBlankStart, hblankstart & 0xFF); - write3X4(CRTHBlankEnd, 0/*(p->hblankend & 0x1F)*/); - - /* higher bits of vertical timing values */ - tmp = 0x10; - if (vtotal & 0x100) tmp |= 0x01; - if (vdispend & 0x100) tmp |= 0x02; - if (vsyncstart & 0x100) tmp |= 0x04; - if (vblankstart & 0x100) tmp |= 0x08; - - if (vtotal & 0x200) tmp |= 0x20; - if (vdispend & 0x200) tmp |= 0x40; - if (vsyncstart & 0x200) tmp |= 0x80; - write3X4(CRTOverflow, tmp); - - tmp = read3X4(CRTHiOrd) | 0x08; //line compare bit 10 - if (vtotal & 0x400) tmp |= 0x80; - if (vblankstart & 0x400) tmp |= 0x40; - if (vsyncstart & 0x400) tmp |= 0x20; - if (vdispend & 0x400) tmp |= 0x10; - write3X4(CRTHiOrd, tmp); - - tmp = 0; - if (htotal & 0x800) tmp |= 0x800 >> 11; - if (hblankstart & 0x800) tmp |= 0x800 >> 7; - write3X4(HorizOverflow, tmp); - - tmp = 0x40; - if (vblankstart & 0x200) tmp |= 0x20; -//FIXME if (info->var.vmode & FB_VMODE_DOUBLE) tmp |= 0x80; //double scan for 200 line modes - write3X4(CRTMaxScanLine, tmp); - - write3X4(CRTLineCompare,0xFF); - write3X4(CRTPRowScan,0); - write3X4(CRTModeControl,0xC3); - - write3X4(LinearAddReg,0x20); //enable linear addressing - - tmp = (info->var.vmode & FB_VMODE_INTERLACED) ? 0x84:0x80; - write3X4(CRTCModuleTest,tmp); //enable access extended memory - - write3X4(GraphEngReg, 0x80); //enable GE for text acceleration - -#ifdef CONFIG_FB_TRIDENT_ACCEL - acc->init_accel(info->var.xres,bpp); -#endif - - switch (bpp) { - case 8: tmp = 0x00; break; - case 16: tmp = 0x05; break; - case 24: tmp = 0x29; break; - case 32: tmp = 0x09; - } - - write3X4(PixelBusReg, tmp); - - tmp = 0x10; - if (chipcyber) - tmp |= 0x20; - write3X4(DRAMControl, tmp); //both IO,linear enable - - write3X4(InterfaceSel, read3X4(InterfaceSel) | 0x40); - write3X4(Performance,0x92); - write3X4(PCIReg,0x07); //MMIO & PCI read and write burst enable - - /* convert from picoseconds to MHz */ - par->vclk = 1000000/info->var.pixclock; - if (bpp == 32) - par->vclk *=2; - set_vclk(par->vclk); - - write3C4(0,3); - write3C4(1,1); //set char clock 8 dots wide - write3C4(2,0x0F); //enable 4 maps because needed in chain4 mode - write3C4(3,0); - write3C4(4,0x0E); //memory mode enable bitmaps ?? - - write3CE(MiscExtFunc,(bpp==32)?0x1A:0x12); //divide clock by 2 if 32bpp - //chain4 mode display and CPU path - write3CE(0x5,0x40); //no CGA compat,allow 256 col - write3CE(0x6,0x05); //graphics mode - write3CE(0x7,0x0F); //planes? - - if (chip_id == CYBERBLADEXPAi1) { - /* This fixes snow-effect in 32 bpp */ - write3X4(CRTHSyncStart,0x84); - } - - writeAttr(0x10,0x41); //graphics mode and support 256 color modes - writeAttr(0x12,0x0F); //planes - writeAttr(0x13,0); //horizontal pel panning - - //colors - for(tmp = 0;tmp < 0x10;tmp++) - writeAttr(tmp,tmp); - readb(par->io_virt + CRT + 0x0A); //flip-flop to index - t_outb(0x20, 0x3C0); //enable attr - - switch (bpp) { - case 8: tmp = 0;break; //256 colors - case 15: tmp = 0x10;break; - case 16: tmp = 0x30;break; //hicolor - case 24: //truecolor - case 32: tmp = 0xD0;break; - } - - t_inb(0x3C8); - t_inb(0x3C6); - t_inb(0x3C6); - t_inb(0x3C6); - t_inb(0x3C6); - t_outb(tmp,0x3C6); - t_inb(0x3C8); - - if (flatpanel) - set_number_of_lines(info->var.yres); - set_lwidth(info->var.xres * bpp/(4*16)); - info->fix.visual = (bpp == 8) ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR; - info->fix.line_length = info->var.xres * (bpp >> 3); - info->cmap.len = (bpp == 8) ? 256: 16; - debug("exit\n"); - return 0; -} - -/* Set one color register */ -static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - int bpp = info->var.bits_per_pixel; - - if (regno >= info->cmap.len) - return 1; - - - if (bpp==8) { - t_outb(0xFF,0x3C6); - t_outb(regno,0x3C8); - - t_outb(red>>10,0x3C9); - t_outb(green>>10,0x3C9); - t_outb(blue>>10,0x3C9); - - } else if (bpp == 16) { /* RGB 565 */ - u32 col; - - col = (red & 0xF800) | ((green & 0xFC00) >> 5) | - ((blue & 0xF800) >> 11); - col |= col << 16; - ((u32 *)(info->pseudo_palette))[regno] = col; - } else if (bpp == 32) /* ARGB 8888 */ - ((u32*)info->pseudo_palette)[regno] = - ((transp & 0xFF00) <<16) | - ((red & 0xFF00) << 8) | - ((green & 0xFF00)) | - ((blue & 0xFF00)>>8); - -// debug("exit\n"); - return 0; -} - -/* Try blanking the screen.For flat panels it does nothing */ -static int tridentfb_blank(int blank_mode, struct fb_info *info) -{ - unsigned char PMCont,DPMSCont; - - debug("enter\n"); - if (flatpanel) - return 0; - t_outb(0x04,0x83C8); /* Read DPMS Control */ - PMCont = t_inb(0x83C6) & 0xFC; - DPMSCont = read3CE(PowerStatus) & 0xFC; - switch (blank_mode) - { - case FB_BLANK_UNBLANK: - /* Screen: On, HSync: On, VSync: On */ - case FB_BLANK_NORMAL: - /* Screen: Off, HSync: On, VSync: On */ - PMCont |= 0x03; - DPMSCont |= 0x00; - break; - case FB_BLANK_HSYNC_SUSPEND: - /* Screen: Off, HSync: Off, VSync: On */ - PMCont |= 0x02; - DPMSCont |= 0x01; - break; - case FB_BLANK_VSYNC_SUSPEND: - /* Screen: Off, HSync: On, VSync: Off */ - PMCont |= 0x02; - DPMSCont |= 0x02; - break; - case FB_BLANK_POWERDOWN: - /* Screen: Off, HSync: Off, VSync: Off */ - PMCont |= 0x00; - DPMSCont |= 0x03; - break; - } - - write3CE(PowerStatus,DPMSCont); - t_outb(4,0x83C8); - t_outb(PMCont,0x83C6); - - debug("exit\n"); - - /* let fbcon do a softblank for us */ - return (blank_mode == FB_BLANK_NORMAL) ? 1 : 0; -} - -static int __devinit trident_pci_probe(struct pci_dev * dev, const struct pci_device_id * id) -{ - int err; - unsigned char revision; - - err = pci_enable_device(dev); - if (err) - return err; - - chip_id = id->device; - - if(chip_id == CYBERBLADEi1) - output("*** Please do use cyblafb, Cyberblade/i1 support " - "will soon be removed from tridentfb!\n"); - - - /* If PCI id is 0x9660 then further detect chip type */ - - if (chip_id == TGUI9660) { - outb(RevisionID,0x3C4); - revision = inb(0x3C5); - - switch (revision) { - case 0x22: - case 0x23: chip_id = CYBER9397;break; - case 0x2A: chip_id = CYBER9397DVD;break; - case 0x30: - case 0x33: - case 0x34: - case 0x35: - case 0x38: - case 0x3A: - case 0xB3: chip_id = CYBER9385;break; - case 0x40 ... 0x43: chip_id = CYBER9382;break; - case 0x4A: chip_id = CYBER9388;break; - default:break; - } - } - - chip3D = is3Dchip(chip_id); - chipcyber = iscyber(chip_id); - - if (is_xp(chip_id)) { - acc = &accel_xp; - } else - if (is_blade(chip_id)) { - acc = &accel_blade; - } else { - acc = &accel_image; - } - - /* acceleration is on by default for 3D chips */ - defaultaccel = chip3D && !noaccel; - - fb_info.par = &default_par; - - /* setup MMIO region */ - tridentfb_fix.mmio_start = pci_resource_start(dev,1); - tridentfb_fix.mmio_len = chip3D ? 0x20000:0x10000; - - if (!request_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len, "tridentfb")) { - debug("request_region failed!\n"); - return -1; - } - - default_par.io_virt = ioremap_nocache(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); - - if (!default_par.io_virt) { - release_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); - debug("ioremap failed\n"); - return -1; - } - - enable_mmio(); - - /* setup framebuffer memory */ - tridentfb_fix.smem_start = pci_resource_start(dev,0); - tridentfb_fix.smem_len = get_memsize(); - - if (!request_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len, "tridentfb")) { - debug("request_mem_region failed!\n"); - return -1; - } - - fb_info.screen_base = ioremap_nocache(tridentfb_fix.smem_start, - tridentfb_fix.smem_len); - - if (!fb_info.screen_base) { - release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); - debug("ioremap failed\n"); - return -1; - } - - output("%s board found\n", pci_name(dev)); -#if 0 - output("Trident board found : mem = %X,io = %X, mem_v = %X, io_v = %X\n", - tridentfb_fix.smem_start, tridentfb_fix.mmio_start, fb_info.screen_base, default_par.io_virt); -#endif - displaytype = get_displaytype(); - - if(flatpanel) - nativex = get_nativex(); - - fb_info.fix = tridentfb_fix; - fb_info.fbops = &tridentfb_ops; - - - fb_info.flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN; -#ifdef CONFIG_FB_TRIDENT_ACCEL - fb_info.flags |= FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; -#endif - fb_info.pseudo_palette = pseudo_pal; - - if (!fb_find_mode(&default_var,&fb_info,mode,NULL,0,NULL,bpp)) - return -EINVAL; - fb_alloc_cmap(&fb_info.cmap,256,0); - if (defaultaccel && acc) - default_var.accel_flags |= FB_ACCELF_TEXT; - else - default_var.accel_flags &= ~FB_ACCELF_TEXT; - default_var.activate |= FB_ACTIVATE_NOW; - fb_info.var = default_var; - fb_info.device = &dev->dev; - if (register_framebuffer(&fb_info) < 0) { - printk(KERN_ERR "tridentfb: could not register Trident framebuffer\n"); - return -EINVAL; - } - output("fb%d: %s frame buffer device %dx%d-%dbpp\n", - fb_info.node, fb_info.fix.id,default_var.xres, - default_var.yres,default_var.bits_per_pixel); - return 0; -} - -static void __devexit trident_pci_remove(struct pci_dev * dev) -{ - struct tridentfb_par *par = (struct tridentfb_par*)fb_info.par; - unregister_framebuffer(&fb_info); - iounmap(par->io_virt); - iounmap(fb_info.screen_base); - release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); - release_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); -} - -/* List of boards that we are trying to support */ -static struct pci_device_id trident_devices[] = { - {PCI_VENDOR_ID_TRIDENT, BLADE3D, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi7D, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEi1D, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEAi1D, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEE4, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, TGUI9660, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, IMAGE975, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, IMAGE985, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9320, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9388, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9520, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9525DVD, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9397, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBER9397DVD, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPAi1, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm8, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {PCI_VENDOR_ID_TRIDENT, CYBERBLADEXPm16, PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {0,} -}; - -MODULE_DEVICE_TABLE(pci,trident_devices); - -static struct pci_driver tridentfb_pci_driver = { - .name = "tridentfb", - .id_table = trident_devices, - .probe = trident_pci_probe, - .remove = __devexit_p(trident_pci_remove) -}; - -/* - * Parse user specified options (`video=trident:') - * example: - * video=trident:800x600,bpp=16,noaccel - */ -#ifndef MODULE -static int tridentfb_setup(char *options) -{ - char * opt; - if (!options || !*options) - return 0; - while((opt = strsep(&options,",")) != NULL ) { - if (!*opt) continue; - if (!strncmp(opt,"noaccel",7)) - noaccel = 1; - else if (!strncmp(opt,"fp",2)) - displaytype = DISPLAY_FP; - else if (!strncmp(opt,"crt",3)) - displaytype = DISPLAY_CRT; - else if (!strncmp(opt,"bpp=",4)) - bpp = simple_strtoul(opt+4,NULL,0); - else if (!strncmp(opt,"center",6)) - center = 1; - else if (!strncmp(opt,"stretch",7)) - stretch = 1; - else if (!strncmp(opt,"memsize=",8)) - memsize = simple_strtoul(opt+8,NULL,0); - else if (!strncmp(opt,"memdiff=",8)) - memdiff = simple_strtoul(opt+8,NULL,0); - else if (!strncmp(opt,"nativex=",8)) - nativex = simple_strtoul(opt+8,NULL,0); - else - mode = opt; - } - return 0; -} -#endif - -static int __init tridentfb_init(void) -{ -#ifndef MODULE - char *option = NULL; - - if (fb_get_options("tridentfb", &option)) - return -ENODEV; - tridentfb_setup(option); -#endif - output("Trident framebuffer %s initializing\n", VERSION); - return pci_register_driver(&tridentfb_pci_driver); -} - -static void __exit tridentfb_exit(void) -{ - pci_unregister_driver(&tridentfb_pci_driver); -} - -static struct fb_ops tridentfb_ops = { - .owner = THIS_MODULE, - .fb_setcolreg = tridentfb_setcolreg, - .fb_pan_display = tridentfb_pan_display, - .fb_blank = tridentfb_blank, - .fb_check_var = tridentfb_check_var, - .fb_set_par = tridentfb_set_par, - .fb_fillrect = tridentfb_fillrect, - .fb_copyarea= tridentfb_copyarea, - .fb_imageblit = cfb_imageblit, -}; - -module_init(tridentfb_init); -module_exit(tridentfb_exit); - -MODULE_AUTHOR("Jani Monoses <jani@iv.ro>"); -MODULE_DESCRIPTION("Framebuffer driver for Trident cards"); -MODULE_LICENSE("GPL"); - |