Commit | Line | Data |
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8b22cc01 | 1 | #ifndef _ASM_POWERPC_VGA_H_ |
2 | #define _ASM_POWERPC_VGA_H_ | |
3 | ||
4 | #ifdef __KERNEL__ | |
5 | ||
1da177e4 LT |
6 | /* |
7 | * Access to VGA videoram | |
8 | * | |
9 | * (c) 1998 Martin Mares <mj@ucw.cz> | |
1da177e4 LT |
10 | */ |
11 | ||
1da177e4 LT |
12 | |
13 | #include <asm/io.h> | |
14 | ||
15 | #include <linux/config.h> | |
16 | ||
17 | #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE) | |
18 | ||
19 | #define VT_BUF_HAVE_RW | |
20 | /* | |
21 | * These are only needed for supporting VGA or MDA text mode, which use little | |
22 | * endian byte ordering. | |
23 | * In other cases, we can optimize by using native byte ordering and | |
24 | * <linux/vt_buffer.h> has already done the right job for us. | |
25 | */ | |
26 | ||
27 | static inline void scr_writew(u16 val, volatile u16 *addr) | |
28 | { | |
29 | st_le16(addr, val); | |
30 | } | |
31 | ||
32 | static inline u16 scr_readw(volatile const u16 *addr) | |
33 | { | |
34 | return ld_le16(addr); | |
35 | } | |
36 | ||
37 | #define VT_BUF_HAVE_MEMCPYW | |
38 | #define scr_memcpyw memcpy | |
39 | ||
40 | #endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */ | |
41 | ||
42 | extern unsigned long vgacon_remap_base; | |
8b22cc01 | 43 | |
44 | #ifdef __powerpc64__ | |
1da177e4 | 45 | #define VGA_MAP_MEM(x) ((unsigned long) ioremap((x), 0)) |
8b22cc01 | 46 | #else |
47 | #define VGA_MAP_MEM(x) (x + vgacon_remap_base) | |
48 | #endif | |
1da177e4 LT |
49 | |
50 | #define vga_readb(x) (*(x)) | |
51 | #define vga_writeb(x,y) (*(y) = (x)) | |
52 | ||
8b22cc01 | 53 | #endif /* __KERNEL__ */ |
54 | #endif /* _ASM_POWERPC_VGA_H_ */ |