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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
ae49e807 AB |
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 */ |