vga.h
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上传日期:2013-04-10
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- #ifndef _ASM_IA64_VGA_H
- #define _ASM_IA64_VGA_H
- /*
- * Access to VGA videoram
- *
- * (c) 1998 Martin Mares <mj@ucw.cz>
- * (c) 1999 Asit Mallick <asit.k.mallick@intel.com>
- * (c) 1999 Don Dugger <don.dugger@intel.com>
- * Copyright (C) 2002 Hewlett-Packard Co
- */
- /*
- * 2002/07/19 davidm@hpl.hp.com Access frame-buffer memory via readX/writeX.
- */
- #include <asm/io.h>
- #define VT_BUF_HAVE_RW
- #define VGA_MAP_MEM(x) ((unsigned long) ioremap((x), 0))
- #define vga_readb __raw_readb
- #define vga_writeb __raw_writeb
- extern inline void
- scr_writew (u16 val, volatile u16 *addr)
- {
- /* Note: ADDR may point to normal memory. That's OK on ia64. */
- __raw_writew(val, (unsigned long) addr);
- }
- extern inline u16
- scr_readw (volatile const u16 *addr)
- {
- /* Note: ADDR may point to normal memory. That's OK on ia64. */
- return __raw_readw((unsigned long) addr);
- }
- #endif /* _ASM_IA64_VGA_H */