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 */ | ||