projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 1da177e4 LT |
15 | |
| 16 | #if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE) | |
| 17 | ||
| 18 | #define VT_BUF_HAVE_RW | |
| 19 | /* | |
| 20 | * These are only needed for supporting VGA or MDA text mode, which use little | |
| 21 | * endian byte ordering. | |
| 22 | * In other cases, we can optimize by using native byte ordering and | |
| 23 | * <linux/vt_buffer.h> has already done the right job for us. | |
| 24 | */ | |
| 25 | ||
| 26 | static inline void scr_writew(u16 val, volatile u16 *addr) | |
| 27 | { | |
| f5718726 | 28 | *addr = cpu_to_le16(val); |
| 1da177e4 LT |
29 | } |
| 30 | ||
| 31 | static inline u16 scr_readw(volatile const u16 *addr) | |
| 32 | { | |
| f5718726 | 33 | return le16_to_cpu(*addr); |
| 1da177e4 LT |
34 | } |
| 35 | ||
| 36 | #define VT_BUF_HAVE_MEMCPYW | |
| 37 | #define scr_memcpyw memcpy | |
| 38 | ||
| 39 | #endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */ | |
| 40 | ||
| 8b22cc01 | 41 | #ifdef __powerpc64__ |
| 4f1bcaf0 | 42 | #define VGA_MAP_MEM(x,s) ((unsigned long) ioremap((x), s)) |
| 8b22cc01 | 43 | #else |
| e88f157d | 44 | #define VGA_MAP_MEM(x,s) (x) |
| 8b22cc01 | 45 | #endif |
| 1da177e4 LT |
46 | |
| 47 | #define vga_readb(x) (*(x)) | |
| 48 | #define vga_writeb(x,y) (*(y) = (x)) | |
| 49 | ||
| 8b22cc01 | 50 | #endif /* __KERNEL__ */ |
| 51 | #endif /* _ASM_POWERPC_VGA_H_ */ |