diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 18:15:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-12 18:15:51 -0700 |
commit | cd166bd0dde265a97dd9aa8e3451a2646d96d04b (patch) | |
tree | 3a7fb5b8bb8d7676e804845b75977be380b8dcff /include/asm-generic/vga.h | |
parent | 6b702462cbe5b6f372966a53f4465d745d86b65c (diff) | |
parent | 5b02ee3d219f9e01b6e9146e25613822cfc2e5ce (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
add generic lib/checksum.c
asm-generic: add a generic uaccess.h
asm-generic: add generic NOMMU versions of some headers
asm-generic: add generic atomic.h and io.h
asm-generic: add legacy I/O header files
asm-generic: add generic versions of common headers
asm-generic: make bitops.h usable
asm-generic: make pci.h usable directly
asm-generic: make get_rtc_time overridable
asm-generic: rename page.h and uaccess.h
asm-generic: rename atomic.h to atomic-long.h
asm-generic: add a generic unistd.h
asm-generic: add generic ABI headers
asm-generic: add generic sysv ipc headers
asm-generic: introduce asm/bitsperlong.h
asm-generic: rename termios.h, signal.h and mman.h
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 00000000000..36c8ff52016 --- /dev/null +++ b/include/asm-generic/vga.h @@ -0,0 +1,24 @@ +/* + * Access to VGA videoram + * + * (c) 1998 Martin Mares <mj@ucw.cz> + */ +#ifndef __ASM_GENERIC_VGA_H +#define __ASM_GENERIC_VGA_H + +/* + * On most architectures that support VGA, we can just + * recalculate addresses and then access the videoram + * directly without any black magic. + * + * Everyone else needs to ioremap the address and use + * proper I/O accesses. + */ +#ifndef VGA_MAP_MEM +#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x) +#endif + +#define vga_readb(x) (*(x)) +#define vga_writeb(x, y) (*(y) = (x)) + +#endif /* _ASM_GENERIC_VGA_H */ |