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-rw-r--r--arch/mips/include/asm/vga.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/mips/include/asm/vga.h b/arch/mips/include/asm/vga.h
new file mode 100644
index 000000000000..f4cff7e4fa8a
--- /dev/null
+++ b/arch/mips/include/asm/vga.h
@@ -0,0 +1,47 @@
1/*
2 * Access to VGA videoram
3 *
4 * (c) 1998 Martin Mares <mj@ucw.cz>
5 */
6#ifndef _ASM_VGA_H
7#define _ASM_VGA_H
8
9#include <asm/byteorder.h>
10
11/*
12 * On the PC, we can just recalculate addresses and then
13 * access the videoram directly without any black magic.
14 */
15
16#define VGA_MAP_MEM(x, s) (0xb0000000L + (unsigned long)(x))
17
18#define vga_readb(x) (*(x))
19#define vga_writeb(x, y) (*(y) = (x))
20
21#define VT_BUF_HAVE_RW
22/*
23 * These are only needed for supporting VGA or MDA text mode, which use little
24 * endian byte ordering.
25 * In other cases, we can optimize by using native byte ordering and
26 * <linux/vt_buffer.h> has already done the right job for us.
27 */
28
29#undef scr_writew
30#undef scr_readw
31
32static inline void scr_writew(u16 val, volatile u16 *addr)
33{
34 *addr = cpu_to_le16(val);
35}
36
37static inline u16 scr_readw(volatile const u16 *addr)
38{
39 return le16_to_cpu(*addr);
40}
41
42#define scr_memcpyw(d, s, c) memcpy(d, s, c)
43#define scr_memmovew(d, s, c) memmove(d, s, c)
44#define VT_BUF_HAVE_MEMCPYW
45#define VT_BUF_HAVE_MEMMOVEW
46
47#endif /* _ASM_VGA_H */