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include/asm-alpha/vga.h
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1da177e4c Linux-2.6.12-rc2 |
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/* * Access to VGA videoram * * (c) 1998 Martin Mares <mj@ucw.cz> */ #ifndef _LINUX_ASM_VGA_H_ #define _LINUX_ASM_VGA_H_ #include <asm/io.h> #define VT_BUF_HAVE_RW #define VT_BUF_HAVE_MEMSETW #define VT_BUF_HAVE_MEMCPYW extern inline void scr_writew(u16 val, volatile u16 *addr) { if (__is_ioaddr(addr)) __raw_writew(val, (volatile u16 __iomem *) addr); else *addr = val; } extern inline u16 scr_readw(volatile const u16 *addr) { if (__is_ioaddr(addr)) return __raw_readw((volatile const u16 __iomem *) addr); else return *addr; } extern inline void scr_memsetw(u16 *s, u16 c, unsigned int count) { if (__is_ioaddr(s)) memsetw_io((u16 __iomem *) s, c, count); else memsetw(s, c, count); } /* Do not trust that the usage will be correct; analyze the arguments. */ extern void scr_memcpyw(u16 *d, const u16 *s, unsigned int count); /* ??? These are currently only used for downloading character sets. As such, they don't need memory barriers. Is this all they are intended to be used for? */ #define vga_readb(a) readb((u8 __iomem *)(a)) #define vga_writeb(v,a) writeb(v, (u8 __iomem *)(a)) |
4f1bcaf09 [PATCH] vgacon: m... |
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#define VGA_MAP_MEM(x,s) ((unsigned long) ioremap(x, s)) |
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#endif |