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author | Kevin | 2014-11-15 09:58:27 +0800 |
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committer | Kevin | 2014-11-15 09:58:27 +0800 |
commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/include/asm-generic/vga.h | |
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init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/include/asm-generic/vga.h')
-rw-r--r-- | ANDROID_3.4.5/include/asm-generic/vga.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/include/asm-generic/vga.h b/ANDROID_3.4.5/include/asm-generic/vga.h new file mode 100644 index 00000000..36c8ff52 --- /dev/null +++ b/ANDROID_3.4.5/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 */ |