X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fvideo%2Fneofb.c;h=25172b2a2a941e15fe684e9130293c019467981d;hb=11c675cef2fbe471dc6103a89b156e65c3630f3a;hp=bd30aba242d07643722ef8d58aa1870128a3bec3;hpb=393bfca19ecdce60a8d9a4d2577cac11ca924a25;p=linux-2.6-omap-h63xx.git diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c index bd30aba242d..25172b2a2a9 100644 --- a/drivers/video/neofb.c +++ b/drivers/video/neofb.c @@ -72,7 +72,6 @@ #include #include #include -#include #ifdef CONFIG_MTRR #include @@ -202,7 +201,6 @@ static int neoFindMode(int xres, int yres, int depth) * * Determine the closest clock frequency to the one requested. */ -#define REF_FREQ 0xe517 /* 14.31818 in 20.12 fixed point */ #define MAX_N 127 #define MAX_D 31 #define MAX_F 1 @@ -212,27 +210,24 @@ static void neoCalcVCLK(const struct fb_info *info, { int n, d, f; int n_best = 0, d_best = 0, f_best = 0; - long f_best_diff = (0x7ffff << 12); /* 20.12 */ - long f_target = (freq << 12) / 1000; /* 20.12 */ + long f_best_diff = 0x7ffff; for (f = 0; f <= MAX_F; f++) - for (n = 0; n <= MAX_N; n++) - for (d = 0; d <= MAX_D; d++) { - long f_out; /* 20.12 */ - long f_diff; /* 20.12 */ - - f_out = - ((((n + 1) << 12) / ((d + - 1) * - (1 << f))) >> 12) - * REF_FREQ; - f_diff = abs(f_out - f_target); - if (f_diff < f_best_diff) { + for (d = 0; d <= MAX_D; d++) + for (n = 0; n <= MAX_N; n++) { + long f_out; + long f_diff; + + f_out = ((14318 * (n + 1)) / (d + 1)) >> f; + f_diff = abs(f_out - freq); + if (f_diff <= f_best_diff) { f_best_diff = f_diff; n_best = n; d_best = d; f_best = f; } + if (f_out > freq) + break; } if (info->fix.accel == FB_ACCEL_NEOMAGIC_NM2200 || @@ -249,11 +244,11 @@ static void neoCalcVCLK(const struct fb_info *info, par->VCLK3Denominator = d_best; #ifdef NEOFB_DEBUG - printk("neoVCLK: f:%d NumLow=%d NumHi=%d Den=%d Df=%d\n", - f_target >> 12, + printk(KERN_DEBUG "neoVCLK: f:%ld NumLow=%d NumHi=%d Den=%d Df=%ld\n", + freq, par->VCLK3NumeratorLow, par->VCLK3NumeratorHigh, - par->VCLK3Denominator, f_best_diff >> 12); + par->VCLK3Denominator, f_best_diff); #endif } @@ -264,15 +259,20 @@ static void neoCalcVCLK(const struct fb_info *info, */ static int vgaHWInit(const struct fb_var_screeninfo *var, - const struct fb_info *info, - struct neofb_par *par, struct xtimings *timings) + struct neofb_par *par) { + int hsync_end = var->xres + var->right_margin + var->hsync_len; + int htotal = (hsync_end + var->left_margin) >> 3; + int vsync_start = var->yres + var->lower_margin; + int vsync_end = vsync_start + var->vsync_len; + int vtotal = vsync_end + var->upper_margin; + par->MiscOutReg = 0x23; - if (!(timings->sync & FB_SYNC_HOR_HIGH_ACT)) + if (!(var->sync & FB_SYNC_HOR_HIGH_ACT)) par->MiscOutReg |= 0x40; - if (!(timings->sync & FB_SYNC_VERT_HIGH_ACT)) + if (!(var->sync & FB_SYNC_VERT_HIGH_ACT)) par->MiscOutReg |= 0x80; /* @@ -287,25 +287,25 @@ static int vgaHWInit(const struct fb_var_screeninfo *var, /* * CRTC Controller */ - par->CRTC[0] = (timings->HTotal >> 3) - 5; - par->CRTC[1] = (timings->HDisplay >> 3) - 1; - par->CRTC[2] = (timings->HDisplay >> 3) - 1; - par->CRTC[3] = (((timings->HTotal >> 3) - 1) & 0x1F) | 0x80; - par->CRTC[4] = (timings->HSyncStart >> 3); - par->CRTC[5] = ((((timings->HTotal >> 3) - 1) & 0x20) << 2) - | (((timings->HSyncEnd >> 3)) & 0x1F); - par->CRTC[6] = (timings->VTotal - 2) & 0xFF; - par->CRTC[7] = (((timings->VTotal - 2) & 0x100) >> 8) - | (((timings->VDisplay - 1) & 0x100) >> 7) - | ((timings->VSyncStart & 0x100) >> 6) - | (((timings->VDisplay - 1) & 0x100) >> 5) - | 0x10 | (((timings->VTotal - 2) & 0x200) >> 4) - | (((timings->VDisplay - 1) & 0x200) >> 3) - | ((timings->VSyncStart & 0x200) >> 2); + par->CRTC[0] = htotal - 5; + par->CRTC[1] = (var->xres >> 3) - 1; + par->CRTC[2] = (var->xres >> 3) - 1; + par->CRTC[3] = ((htotal - 1) & 0x1F) | 0x80; + par->CRTC[4] = ((var->xres + var->right_margin) >> 3); + par->CRTC[5] = (((htotal - 1) & 0x20) << 2) + | (((hsync_end >> 3)) & 0x1F); + par->CRTC[6] = (vtotal - 2) & 0xFF; + par->CRTC[7] = (((vtotal - 2) & 0x100) >> 8) + | (((var->yres - 1) & 0x100) >> 7) + | ((vsync_start & 0x100) >> 6) + | (((var->yres - 1) & 0x100) >> 5) + | 0x10 | (((vtotal - 2) & 0x200) >> 4) + | (((var->yres - 1) & 0x200) >> 3) + | ((vsync_start & 0x200) >> 2); par->CRTC[8] = 0x00; - par->CRTC[9] = (((timings->VDisplay - 1) & 0x200) >> 4) | 0x40; + par->CRTC[9] = (((var->yres - 1) & 0x200) >> 4) | 0x40; - if (timings->dblscan) + if (var->vmode & FB_VMODE_DOUBLE) par->CRTC[9] |= 0x80; par->CRTC[10] = 0x00; @@ -314,13 +314,13 @@ static int vgaHWInit(const struct fb_var_screeninfo *var, par->CRTC[13] = 0x00; par->CRTC[14] = 0x00; par->CRTC[15] = 0x00; - par->CRTC[16] = timings->VSyncStart & 0xFF; - par->CRTC[17] = (timings->VSyncEnd & 0x0F) | 0x20; - par->CRTC[18] = (timings->VDisplay - 1) & 0xFF; + par->CRTC[16] = vsync_start & 0xFF; + par->CRTC[17] = (vsync_end & 0x0F) | 0x20; + par->CRTC[18] = (var->yres - 1) & 0xFF; par->CRTC[19] = var->xres_virtual >> 4; par->CRTC[20] = 0x00; - par->CRTC[21] = (timings->VDisplay - 1) & 0xFF; - par->CRTC[22] = (timings->VTotal - 1) & 0xFF; + par->CRTC[21] = (var->yres - 1) & 0xFF; + par->CRTC[22] = (vtotal - 1) & 0xFF; par->CRTC[23] = 0xC3; par->CRTC[24] = 0xFF; @@ -484,7 +484,8 @@ static inline int neo2200_sync(struct fb_info *info) { struct neofb_par *par = info->par; - while (readl(&par->neo2200->bltStat) & 1); + while (readl(&par->neo2200->bltStat) & 1) + cpu_relax(); return 0; } @@ -592,34 +593,14 @@ static int neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct neofb_par *par = info->par; - unsigned int pixclock = var->pixclock; - struct xtimings timings; int memlen, vramlen; int mode_ok = 0; DBG("neofb_check_var"); - if (!pixclock) - pixclock = 10000; /* 10ns = 100MHz */ - timings.pixclock = 1000000000 / pixclock; - if (timings.pixclock < 1) - timings.pixclock = 1; - - if (timings.pixclock > par->maxClock) + if (PICOS2KHZ(var->pixclock) > par->maxClock) return -EINVAL; - timings.dblscan = var->vmode & FB_VMODE_DOUBLE; - timings.interlaced = var->vmode & FB_VMODE_INTERLACED; - timings.HDisplay = var->xres; - timings.HSyncStart = timings.HDisplay + var->right_margin; - timings.HSyncEnd = timings.HSyncStart + var->hsync_len; - timings.HTotal = timings.HSyncEnd + var->left_margin; - timings.VDisplay = var->yres; - timings.VSyncStart = timings.VDisplay + var->lower_margin; - timings.VSyncEnd = timings.VSyncStart + var->vsync_len; - timings.VTotal = timings.VSyncEnd + var->upper_margin; - timings.sync = var->sync; - /* Is the mode larger than the LCD panel? */ if (par->internal_display && ((var->xres > par->NeoPanelWidth) || @@ -760,11 +741,11 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) static int neofb_set_par(struct fb_info *info) { struct neofb_par *par = info->par; - struct xtimings timings; unsigned char temp; int i, clock_hi = 0; int lcd_stretch; int hoffset, voffset; + int vsync_start, vtotal; DBG("neofb_set_par"); @@ -772,28 +753,15 @@ static int neofb_set_par(struct fb_info *info) vgaHWProtect(1); /* Blank the screen */ - timings.dblscan = info->var.vmode & FB_VMODE_DOUBLE; - timings.interlaced = info->var.vmode & FB_VMODE_INTERLACED; - timings.HDisplay = info->var.xres; - timings.HSyncStart = timings.HDisplay + info->var.right_margin; - timings.HSyncEnd = timings.HSyncStart + info->var.hsync_len; - timings.HTotal = timings.HSyncEnd + info->var.left_margin; - timings.VDisplay = info->var.yres; - timings.VSyncStart = timings.VDisplay + info->var.lower_margin; - timings.VSyncEnd = timings.VSyncStart + info->var.vsync_len; - timings.VTotal = timings.VSyncEnd + info->var.upper_margin; - timings.sync = info->var.sync; - timings.pixclock = PICOS2KHZ(info->var.pixclock); - - if (timings.pixclock < 1) - timings.pixclock = 1; + vsync_start = info->var.yres + info->var.lower_margin; + vtotal = vsync_start + info->var.vsync_len + info->var.upper_margin; /* * This will allocate the datastructure and initialize all of the * generic VGA registers. */ - if (vgaHWInit(&info->var, info, par, &timings)) + if (vgaHWInit(&info->var, par)) return -EINVAL; /* @@ -832,10 +800,10 @@ static int neofb_set_par(struct fb_info *info) par->ExtCRTDispAddr = 0x10; /* Vertical Extension */ - par->VerticalExt = (((timings.VTotal - 2) & 0x400) >> 10) - | (((timings.VDisplay - 1) & 0x400) >> 9) - | (((timings.VSyncStart) & 0x400) >> 8) - | (((timings.VSyncStart) & 0x400) >> 7); + par->VerticalExt = (((vtotal - 2) & 0x400) >> 10) + | (((info->var.yres - 1) & 0x400) >> 9) + | (((vsync_start) & 0x400) >> 8) + | (((vsync_start) & 0x400) >> 7); /* Fast write bursts on unless disabled. */ if (par->pci_burst) @@ -996,7 +964,7 @@ static int neofb_set_par(struct fb_info *info) * Calculate the VCLK that most closely matches the requested dot * clock. */ - neoCalcVCLK(info, par, timings.pixclock); + neoCalcVCLK(info, par, PICOS2KHZ(info->var.pixclock)); /* Since we program the clocks ourselves, always use VCLK3. */ par->MiscOutReg |= 0x0C; @@ -1286,34 +1254,36 @@ static int neofb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, if (regno >= fb->cmap.len || regno > 255) return -EINVAL; - switch (fb->var.bits_per_pixel) { - case 8: + if (fb->var.bits_per_pixel <= 8) { outb(regno, 0x3c8); outb(red >> 10, 0x3c9); outb(green >> 10, 0x3c9); outb(blue >> 10, 0x3c9); - break; - case 16: - ((u32 *) fb->pseudo_palette)[regno] = + } else if (regno < 16) { + switch (fb->var.bits_per_pixel) { + case 16: + ((u32 *) fb->pseudo_palette)[regno] = ((red & 0xf800)) | ((green & 0xfc00) >> 5) | ((blue & 0xf800) >> 11); - break; - case 24: - ((u32 *) fb->pseudo_palette)[regno] = + break; + case 24: + ((u32 *) fb->pseudo_palette)[regno] = ((red & 0xff00) << 8) | ((green & 0xff00)) | ((blue & 0xff00) >> 8); - break; + break; #ifdef NO_32BIT_SUPPORT_YET - case 32: - ((u32 *) fb->pseudo_palette)[regno] = + case 32: + ((u32 *) fb->pseudo_palette)[regno] = ((transp & 0xff00) << 16) | ((red & 0xff00) << 8) | ((green & 0xff00)) | ((blue & 0xff00) >> 8); - break; + break; #endif - default: - return 1; + default: + return 1; + } } + return 0; } @@ -1926,9 +1896,6 @@ static int __devinit neo_init_hw(struct fb_info *info) int maxClock = 65000; int CursorMem = 1024; int CursorOff = 0x100; - int linearSize = 1024; - int maxWidth = 1024; - int maxHeight = 1024; DBG("neo_init_hw"); @@ -1947,81 +1914,52 @@ static int __devinit neo_init_hw(struct fb_info *info) case FB_ACCEL_NEOMAGIC_NM2070: videoRam = 896; maxClock = 65000; - CursorMem = 2048; - CursorOff = 0x100; - linearSize = 1024; - maxWidth = 1024; - maxHeight = 1024; break; case FB_ACCEL_NEOMAGIC_NM2090: case FB_ACCEL_NEOMAGIC_NM2093: - videoRam = 1152; - maxClock = 80000; - CursorMem = 2048; - CursorOff = 0x100; - linearSize = 2048; - maxWidth = 1024; - maxHeight = 1024; - break; case FB_ACCEL_NEOMAGIC_NM2097: videoRam = 1152; maxClock = 80000; - CursorMem = 1024; - CursorOff = 0x100; - linearSize = 2048; - maxWidth = 1024; - maxHeight = 1024; break; case FB_ACCEL_NEOMAGIC_NM2160: videoRam = 2048; maxClock = 90000; - CursorMem = 1024; - CursorOff = 0x100; - linearSize = 2048; - maxWidth = 1024; - maxHeight = 1024; break; case FB_ACCEL_NEOMAGIC_NM2200: videoRam = 2560; maxClock = 110000; - CursorMem = 1024; - CursorOff = 0x1000; - linearSize = 4096; - maxWidth = 1280; - maxHeight = 1024; /* ???? */ - - par->neo2200 = (Neo2200 __iomem *) par->mmio_vbase; break; case FB_ACCEL_NEOMAGIC_NM2230: videoRam = 3008; maxClock = 110000; - CursorMem = 1024; - CursorOff = 0x1000; - linearSize = 4096; - maxWidth = 1280; - maxHeight = 1024; /* ???? */ - - par->neo2200 = (Neo2200 __iomem *) par->mmio_vbase; break; case FB_ACCEL_NEOMAGIC_NM2360: videoRam = 4096; maxClock = 110000; - CursorMem = 1024; - CursorOff = 0x1000; - linearSize = 4096; - maxWidth = 1280; - maxHeight = 1024; /* ???? */ - - par->neo2200 = (Neo2200 __iomem *) par->mmio_vbase; break; case FB_ACCEL_NEOMAGIC_NM2380: videoRam = 6144; maxClock = 110000; + break; + } + switch (info->fix.accel) { + case FB_ACCEL_NEOMAGIC_NM2070: + case FB_ACCEL_NEOMAGIC_NM2090: + case FB_ACCEL_NEOMAGIC_NM2093: + CursorMem = 2048; + CursorOff = 0x100; + break; + case FB_ACCEL_NEOMAGIC_NM2097: + case FB_ACCEL_NEOMAGIC_NM2160: + CursorMem = 1024; + CursorOff = 0x100; + break; + case FB_ACCEL_NEOMAGIC_NM2200: + case FB_ACCEL_NEOMAGIC_NM2230: + case FB_ACCEL_NEOMAGIC_NM2360: + case FB_ACCEL_NEOMAGIC_NM2380: CursorMem = 1024; CursorOff = 0x1000; - linearSize = 8192; - maxWidth = 1280; - maxHeight = 1024; /* ???? */ par->neo2200 = (Neo2200 __iomem *) par->mmio_vbase; break; @@ -2035,7 +1973,7 @@ static int __devinit neo_init_hw(struct fb_info *info) */ par->maxClock = maxClock; par->cursorOff = CursorOff; - return ((videoRam * 1024)); + return videoRam * 1024; } @@ -2065,40 +2003,49 @@ static struct fb_info *__devinit neo_alloc_fb_info(struct pci_dev *dev, const st switch (info->fix.accel) { case FB_ACCEL_NEOMAGIC_NM2070: - sprintf(info->fix.id, "MagicGraph 128"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 128"); break; case FB_ACCEL_NEOMAGIC_NM2090: - sprintf(info->fix.id, "MagicGraph 128V"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 128V"); break; case FB_ACCEL_NEOMAGIC_NM2093: - sprintf(info->fix.id, "MagicGraph 128ZV"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 128ZV"); break; case FB_ACCEL_NEOMAGIC_NM2097: - sprintf(info->fix.id, "MagicGraph 128ZV+"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 128ZV+"); break; case FB_ACCEL_NEOMAGIC_NM2160: - sprintf(info->fix.id, "MagicGraph 128XD"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 128XD"); break; case FB_ACCEL_NEOMAGIC_NM2200: - sprintf(info->fix.id, "MagicGraph 256AV"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 256AV"); info->flags |= FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; break; case FB_ACCEL_NEOMAGIC_NM2230: - sprintf(info->fix.id, "MagicGraph 256AV+"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 256AV+"); info->flags |= FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; break; case FB_ACCEL_NEOMAGIC_NM2360: - sprintf(info->fix.id, "MagicGraph 256ZX"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 256ZX"); info->flags |= FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT; break; case FB_ACCEL_NEOMAGIC_NM2380: - sprintf(info->fix.id, "MagicGraph 256XL+"); + snprintf(info->fix.id, sizeof(info->fix.id), + "MagicGraph 256XL+"); info->flags |= FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;