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-rw-r--r--include/asm-ppc/vga.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/asm-ppc/vga.h b/include/asm-ppc/vga.h
new file mode 100644
index 000000000000..c5864734e3e1
--- /dev/null
+++ b/include/asm-ppc/vga.h
@@ -0,0 +1,46 @@
1/*
2 * Access to VGA videoram
3 *
4 * (c) 1998 Martin Mares <mj@ucw.cz>
5 */
6
7#ifdef __KERNEL__
8#ifndef _LINUX_ASM_VGA_H_
9#define _LINUX_ASM_VGA_H_
10
11#include <asm/io.h>
12
13#include <linux/config.h>
14
15#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE)
16
17#define VT_BUF_HAVE_RW
18/*
19 * These are only needed for supporting VGA or MDA text mode, which use little
20 * endian byte ordering.
21 * In other cases, we can optimize by using native byte ordering and
22 * <linux/vt_buffer.h> has already done the right job for us.
23 */
24
25extern inline void scr_writew(u16 val, volatile u16 *addr)
26{
27 st_le16(addr, val);
28}
29
30extern inline u16 scr_readw(volatile const u16 *addr)
31{
32 return ld_le16(addr);
33}
34
35#define VT_BUF_HAVE_MEMCPYW
36#define scr_memcpyw memcpy
37
38#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
39
40extern unsigned long vgacon_remap_base;
41#define VGA_MAP_MEM(x) (x + vgacon_remap_base)
42#define vga_readb(x) (*(x))
43#define vga_writeb(x,y) (*(y) = (x))
44
45#endif
46#endif /* __KERNEL__ */