27 lines
570 B
C
27 lines
570 B
C
/*
|
|
* Access to VGA videoram
|
|
*
|
|
* (c) 1998 Martin Mares <mj@ucw.cz>
|
|
*/
|
|
|
|
#ifndef _ASM_X86_VGA_H
|
|
#define _ASM_X86_VGA_H
|
|
|
|
/*
|
|
* On the PC, we can just recalculate addresses and then
|
|
* access the videoram directly without any black magic.
|
|
*/
|
|
|
|
#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
|
|
|
|
#define vga_readb(x) (*(x))
|
|
#define vga_writeb(x, y) (*(y) = (x))
|
|
|
|
#ifdef CONFIG_FB_EFI
|
|
#define __ARCH_HAS_VGA_DEFAULT_DEVICE
|
|
extern struct pci_dev *vga_default_device(void);
|
|
extern void vga_set_default_device(struct pci_dev *pdev);
|
|
#endif
|
|
|
|
#endif /* _ASM_X86_VGA_H */
|