1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  *	Access to VGA videoram
4  *
5  *	(c) 1998 Martin Mares <mj@ucw.cz>
6  */
7 #ifndef __ASM_GENERIC_VGA_H
8 #define __ASM_GENERIC_VGA_H
9 
10 /*
11  *	On most architectures that support VGA, we can just
12  *	recalculate addresses and then access the videoram
13  *	directly without any black magic.
14  *
15  *	Everyone else needs to ioremap the address and use
16  *	proper I/O accesses.
17  */
18 #ifndef VGA_MAP_MEM
19 #define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x)
20 #endif
21 
22 #define vga_readb(x) (*(x))
23 #define vga_writeb(x, y) (*(y) = (x))
24 
25 #endif /* _ASM_GENERIC_VGA_H */
26