| Arnd Bergmann | ae49e80 | 2009-05-13 22:56:34 +0000 | [diff] [blame] | 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 */ |