/* SPDX-License-Identifier: GPL-2.0 */ | |
/* | |
* 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 */ |