diff options
Diffstat (limited to 'drivers/video/tgafb.c')
| -rw-r--r-- | drivers/video/tgafb.c | 58 |
1 files changed, 13 insertions, 45 deletions
diff --git a/drivers/video/tgafb.c b/drivers/video/tgafb.c index 94fde625a6c0..4b88fab83b74 100644 --- a/drivers/video/tgafb.c +++ b/drivers/video/tgafb.c @@ -23,6 +23,7 @@ #include <linux/fb.h> #include <linux/pci.h> #include <linux/selection.h> +#include <linux/bitrev.h> #include <asm/io.h> #include <video/tgafb.h> @@ -517,41 +518,6 @@ tgafb_blank(int blank, struct fb_info *info) static void tgafb_imageblit(struct fb_info *info, const struct fb_image *image) { - static unsigned char const bitrev[256] = { - 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, - 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, - 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, - 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, - 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, - 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, - 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, - 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, - 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, - 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, - 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, - 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, - 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, - 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, - 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, - 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, - 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, - 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, - 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, - 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, - 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, - 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, - 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, - 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, - 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, - 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, - 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, - 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, - 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, - 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, - 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, - 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff - }; - struct tga_par *par = (struct tga_par *) info->par; u32 fgcolor, bgcolor, dx, dy, width, height, vxres, vyres, pixelmask; unsigned long rincr, line_length, shift, pos, is8bpp; @@ -649,7 +615,7 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) /* The image data is bit big endian; we need little endian. */ for (j = 0; j < bwidth; ++j) - mask |= bitrev[data[j]] << (j * 8); + mask |= bitrev8(data[j]) << (j * 8); __raw_writel(mask << shift, fb_base + pos); @@ -676,10 +642,10 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) for (i = 0; i < height; ++i) { for (j = 0; j < bwidth; j += 4) { u32 mask = 0; - mask |= bitrev[data[j+0]] << (0 * 8); - mask |= bitrev[data[j+1]] << (1 * 8); - mask |= bitrev[data[j+2]] << (2 * 8); - mask |= bitrev[data[j+3]] << (3 * 8); + mask |= bitrev8(data[j+0]) << (0 * 8); + mask |= bitrev8(data[j+1]) << (1 * 8); + mask |= bitrev8(data[j+2]) << (2 * 8); + mask |= bitrev8(data[j+3]) << (3 * 8); __raw_writel(mask, fb_base + pos + j*bincr); } pos += line_length; @@ -699,7 +665,7 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) for (i = 0; i < height; ++i) { u32 mask = 0; for (j = 0; j < bwidth; ++j) - mask |= bitrev[data[j]] << (j * 8); + mask |= bitrev8(data[j]) << (j * 8); __raw_writel(mask, fb_base + pos); pos += line_length; data += rincr; @@ -726,8 +692,8 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) for (i = 0; i < height; ++i) { for (j = 0; j < bwidth; j += 2) { u32 mask = 0; - mask |= bitrev[data[j+0]] << (0 * 8); - mask |= bitrev[data[j+1]] << (1 * 8); + mask |= bitrev8(data[j+0]) << (0 * 8); + mask |= bitrev8(data[j+1]) << (1 * 8); mask <<= shift; __raw_writel(mask, fb_base + pos + j*bincr); } @@ -746,9 +712,9 @@ tgafb_imageblit(struct fb_info *info, const struct fb_image *image) bwidth = (width & 15) > 8; for (i = 0; i < height; ++i) { - u32 mask = bitrev[data[0]]; + u32 mask = bitrev8(data[0]); if (bwidth) - mask |= bitrev[data[1]] << 8; + mask |= bitrev8(data[1]) << 8; mask <<= shift; __raw_writel(mask, fb_base + pos); pos += line_length; @@ -1473,6 +1439,8 @@ tgafb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; err1: + if (mem_base) + iounmap(mem_base); release_mem_region(bar0_start, bar0_len); err0: kfree(all); |