Linux Kernel  3.7.1
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vga.h
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1 /*
2  * Access to VGA videoram
3  *
4  * (c) 1998 Martin Mares <[email protected]>
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 */