1 /* 2 * Access to VGA videoram 3 * 4 * (c) 1998 Martin Mares <mj@ucw.cz> 5 */ 6 7 #ifndef _ASM_X86_VGA_H 8 #define _ASM_X86_VGA_H 9 10 /* 11 * On the PC, we can just recalculate addresses and then 12 * access the videoram directly without any black magic. 13 */ 14 15 #define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x) 16 17 #define vga_readb(x) (*(x)) 18 #define vga_writeb(x, y) (*(y) = (x)) 19 20 #ifdef CONFIG_FB_EFI 21 #define __ARCH_HAS_VGA_DEFAULT_DEVICE 22 extern struct pci_dev *vga_default_device(void); 23 extern void vga_set_default_device(struct pci_dev *pdev); 24 #endif 25 26 #endif /* _ASM_X86_VGA_H */ 27