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TP-Link_Archer-XR500v/EN7526G_3.18Kernel_SDK/linux-3.18.21/include/asm-generic/vga.h
2024-07-22 01:58:46 -03:00

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548 B
C
Executable File

/*
* Access to VGA videoram
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*/
#ifndef __ASM_GENERIC_VGA_H
#define __ASM_GENERIC_VGA_H
/*
* On most architectures that support VGA, we can just
* recalculate addresses and then access the videoram
* directly without any black magic.
*
* Everyone else needs to ioremap the address and use
* proper I/O accesses.
*/
#ifndef VGA_MAP_MEM
#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
#endif
#define vga_readb(x) (*(x))
#define vga_writeb(x, y) (*(y) = (x))
#endif /* _ASM_GENERIC_VGA_H */