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 24static inline void scr_writew(u16 val, volatile u16 *addr) 25{ 26 __raw_writew(val, (volatile u16 __iomem *) addr); 27} 28 29static 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 40