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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /include/asm-alpha/vga.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'include/asm-alpha/vga.h')
-rw-r--r--include/asm-alpha/vga.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/include/asm-alpha/vga.h b/include/asm-alpha/vga.h
new file mode 100644
index 000000000000..8ca4f6b2da19
--- /dev/null
+++ b/include/asm-alpha/vga.h
@@ -0,0 +1,51 @@
1/*
2 * Access to VGA videoram
3 *
4 * (c) 1998 Martin Mares <mj@ucw.cz>
5 */
6
7#ifndef _LINUX_ASM_VGA_H_
8#define _LINUX_ASM_VGA_H_
9
10#include <asm/io.h>
11
12#define VT_BUF_HAVE_RW
13#define VT_BUF_HAVE_MEMSETW
14#define VT_BUF_HAVE_MEMCPYW
15
16extern inline void scr_writew(u16 val, volatile u16 *addr)
17{
18 if (__is_ioaddr(addr))
19 __raw_writew(val, (volatile u16 __iomem *) addr);
20 else
21 *addr = val;
22}
23
24extern inline u16 scr_readw(volatile const u16 *addr)
25{
26 if (__is_ioaddr(addr))
27 return __raw_readw((volatile const u16 __iomem *) addr);
28 else
29 return *addr;
30}
31
32extern inline void scr_memsetw(u16 *s, u16 c, unsigned int count)
33{
34 if (__is_ioaddr(s))
35 memsetw_io((u16 __iomem *) s, c, count);
36 else
37 memsetw(s, c, count);
38}
39
40/* Do not trust that the usage will be correct; analyze the arguments. */
41extern void scr_memcpyw(u16 *d, const u16 *s, unsigned int count);
42
43/* ??? These are currently only used for downloading character sets. As
44 such, they don't need memory barriers. Is this all they are intended
45 to be used for? */
46#define vga_readb(a) readb((u8 __iomem *)(a))
47#define vga_writeb(v,a) writeb(v, (u8 __iomem *)(a))
48
49#define VGA_MAP_MEM(x) ((unsigned long) ioremap(x, 0))
50
51#endif