Commit | Line | Data |
---|---|---|
ae49e807 AB |
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 */ |