X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fvideo%2Fpm3fb.c;h=6666f45a2f8ce56e03f8ecb962caad73e5b7abdd;hb=6837e895cbfd5ce8a717f112e927d2815f341e54;hp=195bcdbc66b5f9446127b1cf950405c757e9bcef;hpb=d5383fcc4c221227b954e028821a697ca7859e0e;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/video/pm3fb.c b/drivers/video/pm3fb.c index 195bcdb..6666f45 100644 --- a/drivers/video/pm3fb.c +++ b/drivers/video/pm3fb.c @@ -44,9 +44,10 @@ #undef PM3FB_MASTER_DEBUG #ifdef PM3FB_MASTER_DEBUG -#define DPRINTK(a,b...) printk(KERN_DEBUG "pm3fb: %s: " a, __FUNCTION__ , ## b) +#define DPRINTK(a, b...) \ + printk(KERN_DEBUG "pm3fb: %s: " a, __func__ , ## b) #else -#define DPRINTK(a,b...) +#define DPRINTK(a, b...) #endif #define PM3_PIXMAP_SIZE (2048 * 4) @@ -54,12 +55,13 @@ /* * Driver data */ +static int hwcursor = 1; static char *mode_option __devinitdata; -static int noaccel __devinitdata = 0; +static int noaccel __devinitdata; /* mtrr option */ #ifdef CONFIG_MTRR -static int nomtrr __devinitdata = 0; +static int nomtrr __devinitdata; #endif /* @@ -72,7 +74,7 @@ static int nomtrr __devinitdata = 0; struct pm3_par { unsigned char __iomem *v_regs;/* virtual address of p_regs */ u32 video; /* video flags before blanking */ - u32 base; /* screen base (xoffset+yoffset) in 128 bits unit */ + u32 base; /* screen base in 128 bits unit */ u32 palette[16]; int mtrr_handle; }; @@ -108,7 +110,8 @@ static inline void PM3_WRITE_REG(struct pm3_par *par, s32 off, u32 v) static inline void PM3_WAIT(struct pm3_par *par, u32 n) { - while (PM3_READ_REG(par, PM3InFIFOSpace) < n); + while (PM3_READ_REG(par, PM3InFIFOSpace) < n) + cpu_relax(); } static inline void PM3_WRITE_DAC_REG(struct pm3_par *par, unsigned r, u8 v) @@ -207,8 +210,8 @@ static int pm3fb_sync(struct fb_info *info) PM3_WRITE_REG(par, PM3Sync, 0); mb(); do { - while ((PM3_READ_REG(par, PM3OutFIFOWords)) == 0); - rmb(); + while ((PM3_READ_REG(par, PM3OutFIFOWords)) == 0) + cpu_relax(); } while ((PM3_READ_REG(par, PM3OutputFifo)) != PM3Sync_Tag); return 0; @@ -376,7 +379,7 @@ static void pm3fb_init_engine(struct fb_info *info) pm3fb_sync(info); } -static void pm3fb_fillrect (struct fb_info *info, +static void pm3fb_fillrect(struct fb_info *info, const struct fb_fillrect *region) { struct pm3_par *par = info->par; @@ -384,7 +387,7 @@ static void pm3fb_fillrect (struct fb_info *info, int vxres, vyres; int rop; u32 color = (info->fix.visual == FB_VISUAL_TRUECOLOR) ? - ((u32*)info->pseudo_palette)[region->color] : region->color; + ((u32 *)info->pseudo_palette)[region->color] : region->color; if (info->state != FBINFO_STATE_RUNNING) return; @@ -403,18 +406,18 @@ static void pm3fb_fillrect (struct fb_info *info, memcpy(&modded, region, sizeof(struct fb_fillrect)); - if(!modded.width || !modded.height || - modded.dx >= vxres || modded.dy >= vyres) + if (!modded.width || !modded.height || + modded.dx >= vxres || modded.dy >= vyres) return; - if(modded.dx + modded.width > vxres) + if (modded.dx + modded.width > vxres) modded.width = vxres - modded.dx; - if(modded.dy + modded.height > vyres) + if (modded.dy + modded.height > vyres) modded.height = vyres - modded.dy; - if(info->var.bits_per_pixel == 8) + if (info->var.bits_per_pixel == 8) color |= color << 8; - if(info->var.bits_per_pixel <= 16) + if (info->var.bits_per_pixel <= 16) color |= color << 16; PM3_WAIT(par, 4); @@ -460,18 +463,18 @@ static void pm3fb_copyarea(struct fb_info *info, vxres = info->var.xres_virtual; vyres = info->var.yres_virtual; - if(!modded.width || !modded.height || - modded.sx >= vxres || modded.sy >= vyres || - modded.dx >= vxres || modded.dy >= vyres) + if (!modded.width || !modded.height || + modded.sx >= vxres || modded.sy >= vyres || + modded.dx >= vxres || modded.dy >= vyres) return; - if(modded.sx + modded.width > vxres) + if (modded.sx + modded.width > vxres) modded.width = vxres - modded.sx; - if(modded.dx + modded.width > vxres) + if (modded.dx + modded.width > vxres) modded.width = vxres - modded.dx; - if(modded.sy + modded.height > vyres) + if (modded.sy + modded.height > vyres) modded.height = vyres - modded.sy; - if(modded.dy + modded.height > vyres) + if (modded.dy + modded.height > vyres) modded.height = vyres - modded.dy; o_x = modded.sx - modded.dx; /*(sx > dx ) ? (sx - dx) : (dx - sx); */ @@ -517,7 +520,7 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image) struct pm3_par *par = info->par; u32 height = image->height; u32 fgx, bgx; - const u32 *src = (const u32*)image->data; + const u32 *src = (const u32 *)image->data; if (info->state != FBINFO_STATE_RUNNING) return; @@ -526,19 +529,21 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image) return; } switch (info->fix.visual) { - case FB_VISUAL_PSEUDOCOLOR: - fgx = image->fg_color; - bgx = image->bg_color; - break; - case FB_VISUAL_TRUECOLOR: - default: - fgx = par->palette[image->fg_color]; - bgx = par->palette[image->bg_color]; - break; + case FB_VISUAL_PSEUDOCOLOR: + fgx = image->fg_color; + bgx = image->bg_color; + break; + case FB_VISUAL_TRUECOLOR: + default: + fgx = par->palette[image->fg_color]; + bgx = par->palette[image->bg_color]; + break; } if (image->depth != 1) { - return cfb_imageblit(info, image); + cfb_imageblit(info, image); + return; } + if (info->var.bits_per_pixel == 8) { fgx |= fgx << 8; bgx |= bgx << 8; @@ -603,11 +608,123 @@ static void pm3fb_imageblit(struct fb_info *info, const struct fb_image *image) } /* end of acceleration functions */ +/* + * Hardware Cursor support. + */ +static const u8 cursor_bits_lookup[16] = { + 0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54, + 0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55 +}; + +static int pm3fb_cursor(struct fb_info *info, struct fb_cursor *cursor) +{ + struct pm3_par *par = info->par; + u8 mode; + + if (!hwcursor) + return -EINVAL; /* just to force soft_cursor() call */ + + /* Too large of a cursor or wrong bpp :-( */ + if (cursor->image.width > 64 || + cursor->image.height > 64 || + cursor->image.depth > 1) + return -EINVAL; + + mode = PM3RD_CursorMode_TYPE_X; + if (cursor->enable) + mode |= PM3RD_CursorMode_CURSOR_ENABLE; + + PM3_WRITE_DAC_REG(par, PM3RD_CursorMode, mode); + + /* + * If the cursor is not be changed this means either we want the + * current cursor state (if enable is set) or we want to query what + * we can do with the cursor (if enable is not set) + */ + if (!cursor->set) + return 0; + + if (cursor->set & FB_CUR_SETPOS) { + int x = cursor->image.dx - info->var.xoffset; + int y = cursor->image.dy - info->var.yoffset; + + PM3_WRITE_DAC_REG(par, PM3RD_CursorXLow, x & 0xff); + PM3_WRITE_DAC_REG(par, PM3RD_CursorXHigh, (x >> 8) & 0xf); + PM3_WRITE_DAC_REG(par, PM3RD_CursorYLow, y & 0xff); + PM3_WRITE_DAC_REG(par, PM3RD_CursorYHigh, (y >> 8) & 0xf); + } + + if (cursor->set & FB_CUR_SETHOT) { + PM3_WRITE_DAC_REG(par, PM3RD_CursorHotSpotX, + cursor->hot.x & 0x3f); + PM3_WRITE_DAC_REG(par, PM3RD_CursorHotSpotY, + cursor->hot.y & 0x3f); + } + + if (cursor->set & FB_CUR_SETCMAP) { + u32 fg_idx = cursor->image.fg_color; + u32 bg_idx = cursor->image.bg_color; + struct fb_cmap cmap = info->cmap; + + /* the X11 driver says one should use these color registers */ + PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(39), + cmap.red[fg_idx] >> 8 ); + PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(40), + cmap.green[fg_idx] >> 8 ); + PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(41), + cmap.blue[fg_idx] >> 8 ); + + PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(42), + cmap.red[bg_idx] >> 8 ); + PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(43), + cmap.green[bg_idx] >> 8 ); + PM3_WRITE_DAC_REG(par, PM3RD_CursorPalette(44), + cmap.blue[bg_idx] >> 8 ); + } + + if (cursor->set & (FB_CUR_SETSHAPE | FB_CUR_SETIMAGE)) { + u8 *bitmap = (u8 *)cursor->image.data; + u8 *mask = (u8 *)cursor->mask; + int i; + int pos = PM3RD_CursorPattern(0); + + for (i = 0; i < cursor->image.height; i++) { + int j = (cursor->image.width + 7) >> 3; + int k = 8 - j; + + for (; j > 0; j--) { + u8 data = *bitmap ^ *mask; + + if (cursor->rop == ROP_COPY) + data = *mask & *bitmap; + /* Upper 4 bits of bitmap data */ + PM3_WRITE_DAC_REG(par, pos++, + cursor_bits_lookup[data >> 4] | + (cursor_bits_lookup[*mask >> 4] << 1)); + /* Lower 4 bits of bitmap */ + PM3_WRITE_DAC_REG(par, pos++, + cursor_bits_lookup[data & 0xf] | + (cursor_bits_lookup[*mask & 0xf] << 1)); + bitmap++; + mask++; + } + for (; k > 0; k--) { + PM3_WRITE_DAC_REG(par, pos++, 0); + PM3_WRITE_DAC_REG(par, pos++, 0); + } + } + while (pos < PM3RD_CursorPattern(1024)) + PM3_WRITE_DAC_REG(par, pos++, 0); + } + return 0; +} + /* write the mode to registers */ static void pm3fb_write_mode(struct fb_info *info) { struct pm3_par *par = info->par; - char tempsync = 0x00, tempmisc = 0x00; + char tempsync = 0x00; + char tempmisc = 0x00; const u32 hsstart = info->var.right_margin; const u32 hsend = hsstart + info->var.hsync_len; const u32 hbend = hsend + info->var.left_margin; @@ -807,44 +924,54 @@ static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) if (bpp != var->bits_per_pixel) { /* set predefined mode for bits_per_pixel settings */ - switch(var->bits_per_pixel) { + switch (var->bits_per_pixel) { case 8: - var->red.length = var->green.length = var->blue.length = 8; - var->red.offset = var->green.offset = var->blue.offset = 0; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + var->red.offset = 0; + var->green.offset = 0; + var->blue.offset = 0; var->transp.offset = 0; var->transp.length = 0; break; case 16: - var->red.length = var->blue.length = 5; + var->red.length = 5; + var->blue.length = 5; var->green.length = 6; var->transp.length = 0; break; case 32: - var->red.length = var->green.length = var->blue.length = 8; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; var->transp.length = 8; break; default: - DPRINTK("depth not supported: %u\n", var->bits_per_pixel); + DPRINTK("depth not supported: %u\n", + var->bits_per_pixel); return -EINVAL; } } /* it is assumed BGRA order */ - if (var->bits_per_pixel > 8 ) - { + if (var->bits_per_pixel > 8 ) { var->blue.offset = 0; var->green.offset = var->blue.length; var->red.offset = var->green.offset + var->green.length; var->transp.offset = var->red.offset + var->red.length; } - var->height = var->width = -1; + var->height = -1; + var->width = -1; if (var->xres != var->xres_virtual) { - DPRINTK("virtual x resolution != physical x resolution not supported\n"); + DPRINTK("virtual x resolution != " + "physical x resolution not supported\n"); return -EINVAL; } if (var->yres > var->yres_virtual) { - DPRINTK("virtual y resolution < physical y resolution not possible\n"); + DPRINTK("virtual y resolution < " + "physical y resolution not possible\n"); return -EINVAL; } @@ -878,7 +1005,8 @@ static int pm3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) } if (PICOS2KHZ(var->pixclock) > PM3_MAX_PIXCLOCK) { - DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock)); + DPRINTK("pixclock too high (%ldKHz)\n", + PICOS2KHZ(var->pixclock)); return -EINVAL; } @@ -895,7 +1023,7 @@ static int pm3fb_set_par(struct fb_info *info) const u32 xres = (info->var.xres + 31) & ~31; const unsigned bpp = info->var.bits_per_pixel; - par->base = pm3fb_shift_bpp(bpp,(info->var.yoffset * xres) + par->base = pm3fb_shift_bpp(bpp, (info->var.yoffset * xres) + info->var.xoffset); par->video = 0; @@ -954,10 +1082,9 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, return -EINVAL; /* grayscale works only partially under directcolor */ - if (info->var.grayscale) { - /* grayscale = 0.30*R + 0.59*G + 0.11*B */ + /* grayscale = 0.30*R + 0.59*G + 0.11*B */ + if (info->var.grayscale) red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - } /* Directcolor: * var->{color}.offset contains start of bitfield @@ -971,8 +1098,8 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, * * Pseudocolor: * var->{color}.offset is 0 - * var->{color}.length contains width of DAC or the number of unique - * colors available (color depth) + * var->{color}.length contains width of DAC or the number + * of unique colors available (color depth) * pseudo_palette is not used * RAMDAC[X] is programmed to (red, green, blue) * color depth = var->{color}.length @@ -982,7 +1109,7 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, * This is the point where the color is converted to something that * is acceptable by the hardware. */ -#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) +#define CNVT_TOHW(val, width) ((((val) << (width)) + 0x7FFF - (val)) >> 16) red = CNVT_TOHW(red, info->var.red.length); green = CNVT_TOHW(green, info->var.green.length); blue = CNVT_TOHW(blue, info->var.blue.length); @@ -1006,12 +1133,11 @@ static int pm3fb_setcolreg(unsigned regno, unsigned red, unsigned green, break; case 16: case 32: - ((u32*)(info->pseudo_palette))[regno] = v; + ((u32 *)(info->pseudo_palette))[regno] = v; break; } return 0; - } - else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) + } else if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) pm3fb_set_color(par, regno, red, green, blue); return 0; @@ -1073,7 +1199,7 @@ static int pm3fb_blank(int blank_mode, struct fb_info *info) } PM3_WAIT(par, 1); - PM3_WRITE_REG(par,PM3VideoControl, video); + PM3_WRITE_REG(par, PM3VideoControl, video); return 0; } @@ -1092,6 +1218,7 @@ static struct fb_ops pm3fb_ops = { .fb_imageblit = pm3fb_imageblit, .fb_blank = pm3fb_blank, .fb_sync = pm3fb_sync, + .fb_cursor = pm3fb_cursor, }; /* ------------------------------------------------------------------------- */ @@ -1102,9 +1229,10 @@ static struct fb_ops pm3fb_ops = { /* mmio register are already mapped when this function is called */ /* the pm3fb_fix.smem_start is also set */ -static unsigned long pm3fb_size_memory(struct pm3_par *par) +static unsigned long __devinit pm3fb_size_memory(struct pm3_par *par) { - unsigned long memsize = 0, tempBypass, i, temp1, temp2; + unsigned long memsize = 0; + unsigned long tempBypass, i, temp1, temp2; unsigned char __iomem *screen_mem; pm3fb_fix.smem_len = 64 * 1024l * 1024; /* request full aperture size */ @@ -1132,7 +1260,9 @@ static unsigned long pm3fb_size_memory(struct pm3_par *par) PM3_WAIT(par, 1); PM3_WRITE_REG(par, PM3MemBypassWriteMask, 0xFFFFFFFF); - /* pm3 split up memory, replicates, and do a lot of nasty stuff IMHO ;-) */ + /* pm3 split up memory, replicates, and do a lot of + * nasty stuff IMHO ;-) + */ for (i = 0; i < 32; i++) { fb_writel(i * 0x00345678, (screen_mem + (i * 1048576))); @@ -1189,8 +1319,9 @@ static int __devinit pm3fb_probe(struct pci_dev *dev, { struct fb_info *info; struct pm3_par *par; - struct device* device = &dev->dev; /* for pci drivers */ - int err, retval = -ENXIO; + struct device *device = &dev->dev; /* for pci drivers */ + int err; + int retval = -ENXIO; err = pci_enable_device(dev); if (err) { @@ -1235,8 +1366,7 @@ static int __devinit pm3fb_probe(struct pci_dev *dev, /* Linear frame buffer - request region and map it. */ pm3fb_fix.smem_start = pci_resource_start(dev, 1); pm3fb_fix.smem_len = pm3fb_size_memory(par); - if (!pm3fb_fix.smem_len) - { + if (!pm3fb_fix.smem_len) { printk(KERN_WARNING "pm3fb: Can't find memory on board.\n"); goto err_exit_mmio; } @@ -1255,11 +1385,10 @@ static int __devinit pm3fb_probe(struct pci_dev *dev, info->screen_size = pm3fb_fix.smem_len; #ifdef CONFIG_MTRR - if (!nomtrr) { + if (!nomtrr) par->mtrr_handle = mtrr_add(pm3fb_fix.smem_start, pm3fb_fix.smem_len, MTRR_TYPE_WRCOMB, 1); - } #endif info->fbops = &pm3fb_ops; @@ -1275,8 +1404,8 @@ static int __devinit pm3fb_probe(struct pci_dev *dev, FBINFO_HWACCEL_FILLRECT; if (noaccel) { - printk(KERN_DEBUG "disabling acceleration\n"); - info->flags |= FBINFO_HWACCEL_DISABLED; + printk(KERN_DEBUG "disabling acceleration\n"); + info->flags |= FBINFO_HWACCEL_DISABLED; } info->pixmap.addr = kmalloc(PM3_PIXMAP_SIZE, GFP_KERNEL); if (!info->pixmap.addr) { @@ -1403,15 +1532,16 @@ static int __init pm3fb_setup(char *options) while ((this_opt = strsep(&options, ",")) != NULL) { if (!*this_opt) continue; - else if (!strncmp(this_opt, "noaccel", 7)) { + else if (!strncmp(this_opt, "noaccel", 7)) noaccel = 1; + else if (!strncmp(this_opt, "hwcursor=", 9)) + hwcursor = simple_strtoul(this_opt + 9, NULL, 0); #ifdef CONFIG_MTRR - } else if (!strncmp(this_opt, "nomtrr", 6)) { + else if (!strncmp(this_opt, "nomtrr", 6)) nomtrr = 1; #endif - } else { + else mode_option = this_opt; - } } return 0; } @@ -1443,8 +1573,13 @@ module_exit(pm3fb_exit); #endif module_init(pm3fb_init); +module_param(mode_option, charp, 0); +MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'"); module_param(noaccel, bool, 0); MODULE_PARM_DESC(noaccel, "Disable acceleration"); +module_param(hwcursor, int, 0644); +MODULE_PARM_DESC(hwcursor, "Enable hardware cursor " + "(1=enable, 0=disable, default=1)"); #ifdef CONFIG_MTRR module_param(nomtrr, bool, 0); MODULE_PARM_DESC(nomtrr, "Disable MTRR support (0 or 1=disabled) (default=0)");