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author | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 12:39:35 -0700 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /arch/mips/include/asm/vga.h | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.zip op-kernel-dev-56c5d900dbb8e042bfad035d18433476931d8f93.tar.gz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.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 0000000..f4cff7e --- /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 */ |