diff options
Diffstat (limited to 'drivers/video/riva/fbdev.c')
-rw-r--r-- | drivers/video/riva/fbdev.c | 44 |
1 files changed, 5 insertions, 39 deletions
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index a433cc78ef90..c6f86859399c 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c | |||
@@ -40,6 +40,7 @@ | |||
40 | #include <linux/init.h> | 40 | #include <linux/init.h> |
41 | #include <linux/pci.h> | 41 | #include <linux/pci.h> |
42 | #include <linux/backlight.h> | 42 | #include <linux/backlight.h> |
43 | #include <linux/bitrev.h> | ||
43 | #ifdef CONFIG_MTRR | 44 | #ifdef CONFIG_MTRR |
44 | #include <asm/mtrr.h> | 45 | #include <asm/mtrr.h> |
45 | #endif | 46 | #endif |
@@ -521,48 +522,13 @@ static inline unsigned char MISCin(struct riva_par *par) | |||
521 | return (VGA_RD08(par->riva.PVIO, 0x3cc)); | 522 | return (VGA_RD08(par->riva.PVIO, 0x3cc)); |
522 | } | 523 | } |
523 | 524 | ||
524 | static u8 byte_rev[256] = { | ||
525 | 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, | ||
526 | 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, | ||
527 | 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, | ||
528 | 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, | ||
529 | 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, | ||
530 | 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, | ||
531 | 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, | ||
532 | 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, | ||
533 | 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, | ||
534 | 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, | ||
535 | 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, | ||
536 | 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, | ||
537 | 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, | ||
538 | 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, | ||
539 | 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, | ||
540 | 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, | ||
541 | 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, | ||
542 | 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, | ||
543 | 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, | ||
544 | 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, | ||
545 | 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, | ||
546 | 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, | ||
547 | 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, | ||
548 | 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, | ||
549 | 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, | ||
550 | 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, | ||
551 | 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, | ||
552 | 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, | ||
553 | 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, | ||
554 | 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, | ||
555 | 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, | ||
556 | 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff, | ||
557 | }; | ||
558 | |||
559 | static inline void reverse_order(u32 *l) | 525 | static inline void reverse_order(u32 *l) |
560 | { | 526 | { |
561 | u8 *a = (u8 *)l; | 527 | u8 *a = (u8 *)l; |
562 | *a = byte_rev[*a], a++; | 528 | a[0] = bitrev8(a[0]); |
563 | *a = byte_rev[*a], a++; | 529 | a[1] = bitrev8(a[1]); |
564 | *a = byte_rev[*a], a++; | 530 | a[2] = bitrev8(a[2]); |
565 | *a = byte_rev[*a]; | 531 | a[3] = bitrev8(a[3]); |
566 | } | 532 | } |
567 | 533 | ||
568 | /* ------------------------------------------------------------------------- * | 534 | /* ------------------------------------------------------------------------- * |