linux/arch/x86/include/asm/vga.h

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/*
* 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 */