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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-14 20:36:54 -0400 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-14 20:36:54 -0400 |
commit | 7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch) | |
tree | 04754a0c6495e57c1fe5f417fbfc99272d353c0e /include/asm-generic/vga.h | |
parent | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff) | |
parent | 45e3e1935e2857c54783291107d33323b3ef33c8 (diff) |
Merge commit 'origin/master' into next
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 */ | ||