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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-16 02:16:07 +0400 |
commit | 2502991560dc8244dbe10e48473d85722c1e2ec1 (patch) | |
tree | 63b1f3be2ed56ff06f1e8db709e4ce85d69c3add /arch/mips/include/asm/vga.h | |
parent | 7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (diff) | |
parent | a9ff8f6462635c8d9f8d64b7b10ddcea8404d77b (diff) | |
download | linux-2502991560dc8244dbe10e48473d85722c1e2ec1.tar.xz |
Merge branch 'fixes' into for-linus
Conflicts:
arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/mips/include/asm/vga.h')
-rw-r--r-- | arch/mips/include/asm/vga.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/mips/include/asm/vga.h b/arch/mips/include/asm/vga.h new file mode 100644 index 000000000000..f4cff7e4fa8a --- /dev/null +++ b/arch/mips/include/asm/vga.h @@ -0,0 +1,47 @@ +/* + * Access to VGA videoram + * + * (c) 1998 Martin Mares <mj@ucw.cz> + */ +#ifndef _ASM_VGA_H +#define _ASM_VGA_H + +#include <asm/byteorder.h> + +/* + * On the PC, we can just recalculate addresses and then + * access the videoram directly without any black magic. + */ + +#define VGA_MAP_MEM(x, s) (0xb0000000L + (unsigned long)(x)) + +#define vga_readb(x) (*(x)) +#define vga_writeb(x, y) (*(y) = (x)) + +#define VT_BUF_HAVE_RW +/* + * These are only needed for supporting VGA or MDA text mode, which use little + * endian byte ordering. + * In other cases, we can optimize by using native byte ordering and + * <linux/vt_buffer.h> has already done the right job for us. + */ + +#undef scr_writew +#undef scr_readw + +static inline void scr_writew(u16 val, volatile u16 *addr) +{ + *addr = cpu_to_le16(val); +} + +static inline u16 scr_readw(volatile const u16 *addr) +{ + return le16_to_cpu(*addr); +} + +#define scr_memcpyw(d, s, c) memcpy(d, s, c) +#define scr_memmovew(d, s, c) memmove(d, s, c) +#define VT_BUF_HAVE_MEMCPYW +#define VT_BUF_HAVE_MEMMOVEW + +#endif /* _ASM_VGA_H */ |