/* * 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 { 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_option __devinitdata = "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_option, charp, 0); MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'"); module_param_named(mode, mode_option, charp, 0); MODULE_PARM_DESC(mode, "Initial video mode e.g. '648x480-8@60' (deprecated)"); 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 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); } static void disable_mmio(void) { /* Goto New Mode */ t_outb(0x0B, 0x3C4); t_inb(0x3C5); /* Unprotect registers */ t_outb(NewMode1, 0x3C4); t_outb(0x80, 0x3C5); /* Disable MMIO */ t_outb(PCIReg, 0x3D4); t_outb(t_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)); } /* Set dotclock frequency */ static void set_vclk(unsigned long freq) { int m, n, k; unsigned long f, fi, d, di; unsigned char lo = 0, hi = 0; d = 20000; for (k = 2; k >= 0; k--) for (m = 0; m < 63; m++) for (n = 0; n < 128; n++) { fi = ((14318l * (n + 8)) / (m + 2)) >> k; if ((di = abs(fi - freq)) < d) { d = di; f = fi; lo = n; hi = (k << 6) | m; } if (fi > freq) break; } 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 * Kb; break; case 0x02: k = 6 * Mb; /* XP */ break; case 0x03: k = 1 * Mb; break; case 0x04: k = 8 * Mb; break; case 0x06: k = 10 * Mb; /* XP */ break; case 0x07: k = 2 * Mb; break; case 0x08: k = 12 * Mb; /* XP */ break; case 0x0A: k = 14 * Mb; /* XP */ break; case 0x0C: k = 16 * Mb; /* XP */ break; 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; break; } } 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; u32 vtotal, vdispend, vsyncstart, vsyncend, vblankstart, vblankend; struct fb_var_screeninfo *var = &info->var; int bpp = var->bits_per_pixel; unsigned char tmp; unsigned long vclk; debug("enter\n"); hdispend = var->xres / 8 - 1; hsyncstart = (var->xres + var->right_margin) / 8; hsyncend = var->hsync_len / 8; htotal = (var->xres + var->left_margin + var->right_margin + var->hsync_len) / 8 - 10; hblankstart = hdispend + 1; hblankend = htotal + 5; vdispend = var->yres - 1; vsyncstart = var->yres + var->lower_margin; vsyncend = var->vsync_len; vtotal = var->upper_margin + vsyncstart + vsyncend - 2; vblankstart = var->yres; vblankend = vtotal + 2; 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; break; } 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 kHz */ vclk = PICOS2KHZ(info->var.pixclock); if (bpp == 32) vclk *= 2; set_vclk(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; case 15: tmp = 0x10; break; case 16: tmp = 0x30; break; case 24: 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 (regno < 16) { 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 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, }; 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) { debug("ioremap failed\n"); err = -1; goto out_unmap1; } 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"); disable_mmio(); err = -1; goto out_unmap1; } fb_info.screen_base = ioremap_nocache(tridentfb_fix.smem_start, tridentfb_fix.smem_len); if (!fb_info.screen_base) { debug("ioremap failed\n"); err = -1; goto out_unmap2; } output("%s board found\n", pci_name(dev)); 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_option, NULL, 0, NULL, bpp)) { err = -EINVAL; goto out_unmap2; } err = fb_alloc_cmap(&fb_info.cmap, 256, 0); if (err < 0) goto out_unmap2; 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"); fb_dealloc_cmap(&fb_info.cmap); err = -EINVAL; goto out_unmap2; } 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; out_unmap2: if (fb_info.screen_base) iounmap(fb_info.screen_base); release_mem_region(tridentfb_fix.smem_start, tridentfb_fix.smem_len); disable_mmio(); out_unmap1: if (default_par.io_virt) iounmap(default_par.io_virt); release_mem_region(tridentfb_fix.mmio_start, tridentfb_fix.mmio_len); return err; } 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_mem_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 __init 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_option = 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); } 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");