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[PATCH] powerpc: Merge asm-ppc*/vga.h

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Merge asm-ppc*/vga.h

Signed-off-by: Jon Loeliger <[email protected]>
Signed-off-by: Kumar Gala <[email protected]>
Signed-off-by: Paul Mackerras <[email protected]>
This commit is contained in:
[email protected] 2005-09-20 14:32:37 -05:00 • committed by Paul Mackerras
commit 8b22cc0105
2 changed files with 12 additions and 54 deletions
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54
include/asm-powerpc/vga.h Normal file
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#ifndef _ASM_POWERPC_VGA_H_
#define _ASM_POWERPC_VGA_H_
#ifdef __KERNEL__
/*
* Access to VGA videoram
*
* (c) 1998 Martin Mares <mj@ucw.cz>
*/
#include <asm/io.h>
#include <linux/config.h>
#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_MDA_CONSOLE)
#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.
*/
static inline void scr_writew(u16 val, volatile u16 *addr)
{
st_le16(addr, val);
}
static inline u16 scr_readw(volatile const u16 *addr)
{
return ld_le16(addr);
}
#define VT_BUF_HAVE_MEMCPYW
#define scr_memcpyw memcpy
#endif /* !CONFIG_VGA_CONSOLE && !CONFIG_MDA_CONSOLE */
extern unsigned long vgacon_remap_base;
#ifdef __powerpc64__
#define VGA_MAP_MEM(x) ((unsigned long) ioremap((x), 0))
#else
#define VGA_MAP_MEM(x) (x + vgacon_remap_base)
#endif
#define vga_readb(x) (*(x))
#define vga_writeb(x,y) (*(y) = (x))
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_VGA_H_ */