From 8b22cc010599075806b84cfe2955ab87ab07172c Mon Sep 17 00:00:00 2001 From: "linuxppc@jdl.com" Date: Tue, 20 Sep 2005 14:32:37 -0500 Subject: [PATCH] powerpc: Merge asm-ppc*/vga.h Merge asm-ppc*/vga.h Signed-off-by: Jon Loeliger Signed-off-by: Kumar Gala Signed-off-by: Paul Mackerras --- include/asm-powerpc/vga.h | 54 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 include/asm-powerpc/vga.h (limited to 'include/asm-powerpc/vga.h') diff --git a/include/asm-powerpc/vga.h b/include/asm-powerpc/vga.h new file mode 100644 index 000000000000..f8d350aabf1a --- /dev/null +++ b/include/asm-powerpc/vga.h @@ -0,0 +1,54 @@ +#ifndef _ASM_POWERPC_VGA_H_ +#define _ASM_POWERPC_VGA_H_ + +#ifdef __KERNEL__ + +/* + * Access to VGA videoram + * + * (c) 1998 Martin Mares + */ + + +#include + +#include + +#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 + * 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_ */ -- cgit v1.2.3