diff options
Diffstat (limited to 'include/asm-mips/vga.h')
-rw-r--r-- | include/asm-mips/vga.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-mips/vga.h b/include/asm-mips/vga.h index 6b35cf054c79..ca5cec97e167 100644 --- a/include/asm-mips/vga.h +++ b/include/asm-mips/vga.h | |||
@@ -6,6 +6,8 @@ | |||
6 | #ifndef _ASM_VGA_H | 6 | #ifndef _ASM_VGA_H |
7 | #define _ASM_VGA_H | 7 | #define _ASM_VGA_H |
8 | 8 | ||
9 | #include <asm/byteorder.h> | ||
10 | |||
9 | /* | 11 | /* |
10 | * On the PC, we can just recalculate addresses and then | 12 | * On the PC, we can just recalculate addresses and then |
11 | * access the videoram directly without any black magic. | 13 | * access the videoram directly without any black magic. |
@@ -16,4 +18,27 @@ | |||
16 | #define vga_readb(x) (*(x)) | 18 | #define vga_readb(x) (*(x)) |
17 | #define vga_writeb(x,y) (*(y) = (x)) | 19 | #define vga_writeb(x,y) (*(y) = (x)) |
18 | 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 | static inline void scr_writew(u16 val, volatile u16 *addr) | ||
30 | { | ||
31 | *addr = cpu_to_le16(val); | ||
32 | } | ||
33 | |||
34 | static inline u16 scr_readw(volatile const u16 *addr) | ||
35 | { | ||
36 | return le16_to_cpu(*addr); | ||
37 | } | ||
38 | |||
39 | #define scr_memcpyw(d, s, c) memcpy(d, s, c) | ||
40 | #define scr_memmovew(d, s, c) memmove(d, s, c) | ||
41 | #define VT_BUF_HAVE_MEMCPYW | ||
42 | #define VT_BUF_HAVE_MEMMOVEW | ||
43 | |||
19 | #endif /* _ASM_VGA_H */ | 44 | #endif /* _ASM_VGA_H */ |