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 */ 25