diff options
Diffstat (limited to 'include/asm-generic/vga.h')
| -rw-r--r-- | include/asm-generic/vga.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/asm-generic/vga.h b/include/asm-generic/vga.h new file mode 100644 index 000000000000..36c8ff52016b --- /dev/null +++ b/include/asm-generic/vga.h | |||
| @@ -0,0 +1,24 @@ | |||
| 1 | /* | ||
| 2 | * Access to VGA videoram | ||
| 3 | * | ||
| 4 | * (c) 1998 Martin Mares <mj@ucw.cz> | ||
| 5 | */ | ||
| 6 | #ifndef __ASM_GENERIC_VGA_H | ||
| 7 | #define __ASM_GENERIC_VGA_H | ||
| 8 | |||
| 9 | /* | ||
| 10 | * On most architectures that support VGA, we can just | ||
| 11 | * recalculate addresses and then access the videoram | ||
| 12 | * directly without any black magic. | ||
| 13 | * | ||
| 14 | * Everyone else needs to ioremap the address and use | ||
| 15 | * proper I/O accesses. | ||
| 16 | */ | ||
| 17 | #ifndef VGA_MAP_MEM | ||
| 18 | #define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x) | ||
| 19 | #endif | ||
| 20 | |||
| 21 | #define vga_readb(x) (*(x)) | ||
| 22 | #define vga_writeb(x, y) (*(y) = (x)) | ||
| 23 | |||
| 24 | #endif /* _ASM_GENERIC_VGA_H */ | ||
