xref: /OK3568_Linux_fs/kernel/arch/arm/include/asm/vga.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef ASMARM_VGA_H
3*4882a593Smuzhiyun #define ASMARM_VGA_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/io.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun extern unsigned long vga_base;
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #define VGA_MAP_MEM(x,s)	(vga_base + (x))
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #define vga_readb(x)	(*((volatile unsigned char *)x))
12*4882a593Smuzhiyun #define vga_writeb(x,y)	(*((volatile unsigned char *)y) = (x))
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun #endif
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