arch/tile/include/asm/vga.h

   1 /*
   2  * Copyright 2010 Tilera Corporation. All Rights Reserved.
   3  *
   4  *   This program is free software; you can redistribute it and/or
   5  *   modify it under the terms of the GNU General Public License
   6  *   as published by the Free Software Foundation, version 2.
   7  *
   8  *   This program is distributed in the hope that it will be useful, but
   9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  11  *   NON INFRINGEMENT.  See the GNU General Public License for
  12  *   more details.
  13  *
  14  * Access to VGA videoram.
  15  */
  16
  17 #ifndef _ASM_TILE_VGA_H
  18 #define _ASM_TILE_VGA_H
  19
  20 #include <asm/io.h>
  21
  22 #define VT_BUF_HAVE_RW
  23
  24 static inline void scr_writew(u16 val, volatile u16 *addr)
  25 {
  26         __raw_writew(val, (volatile u16 __iomem *) addr);
  27 }
  28
  29 static inline u16 scr_readw(volatile const u16 *addr)
  30 {
  31         return __raw_readw((volatile const u16 __iomem *) addr);
  32 }
  33
  34 #define vga_readb(a)    readb((u8 __iomem *)(a))
  35 #define vga_writeb(v,a) writeb(v, (u8 __iomem *)(a))
  36
  37 #define VGA_MAP_MEM(x,s)        ((unsigned long) ioremap(x, s))
  38
  39 #endif