diff options
Diffstat (limited to 'include/asm-ppc/vga.h')
-rw-r--r-- | include/asm-ppc/vga.h | 46 |
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 | |||
25 | extern inline void scr_writew(u16 val, volatile u16 *addr) | ||
26 | { | ||
27 | st_le16(addr, val); | ||
28 | } | ||
29 | |||
30 | extern 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 | |||
40 | extern 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__ */ | ||