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kernel/linux-rt-4.4.41/arch/tile/include/asm/vga.h 1.05 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright 2010 Tilera Corporation. All Rights Reserved.
   *
   *   This program is free software; you can redistribute it and/or
   *   modify it under the terms of the GNU General Public License
   *   as published by the Free Software Foundation, version 2.
   *
   *   This program is distributed in the hope that it will be useful, but
   *   WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
   *   NON INFRINGEMENT.  See the GNU General Public License for
   *   more details.
   *
   * Access to VGA videoram.
   */
  
  #ifndef _ASM_TILE_VGA_H
  #define _ASM_TILE_VGA_H
  
  #include <asm/io.h>
  
  #define VT_BUF_HAVE_RW
  
  static inline void scr_writew(u16 val, volatile u16 *addr)
  {
  	__raw_writew(val, (volatile u16 __iomem *) addr);
  }
  
  static inline u16 scr_readw(volatile const u16 *addr)
  {
  	return __raw_readw((volatile const u16 __iomem *) addr);
  }
  
  #define vga_readb(a)	readb((u8 __iomem *)(a))
  #define vga_writeb(v,a)	writeb(v, (u8 __iomem *)(a))
  
  #define VGA_MAP_MEM(x,s)	((unsigned long) ioremap(x, s))
  
  #endif