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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-14 20:36:54 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-14 20:36:54 -0400
commit7dafd239ab522d38979ebe44d79aa68ad7b1a383 (patch)
tree04754a0c6495e57c1fe5f417fbfc99272d353c0e /include/asm-generic/vga.h
parentbc47ab0241c7c86da4f5e5f82fbca7d45387c18d (diff)
parent45e3e1935e2857c54783291107d33323b3ef33c8 (diff)
Merge commit 'origin/master' into next
Diffstat (limited to 'include/asm-generic/vga.h')
-rw-r--r--include/asm-generic/vga.h24
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 */