File: vga.h

package info (click to toggle)
linux 6.1.133-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,136 kB
  • sloc: ansic: 23,466,380; asm: 266,559; sh: 110,511; makefile: 49,889; python: 36,990; perl: 36,827; cpp: 6,056; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (25 lines) | stat: -rw-r--r-- 587 bytes parent folder | download | duplicates (24)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
/* 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 */