/***  $Id: matrox_mmio.h,v 1.3 2003/09/04 06:02:53 weiym Exp $**  **  Port to MiniGUI by Wei Yongming (2001/10/03).**  Copyright (C) 2001 ~ 2002 Wei Yongming.**  Copyright (C) 2003 Feynman Software.****  SDL - Simple DirectMedia Layer**  Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga*//* MGA register definitions */#include "matrox_regs.h"/* MGA control macros */#define mga_in8(reg)		*(volatile Uint8  *)(mapped_io + (reg))#define mga_in32(reg)		*(volatile Uint32 *)(mapped_io + (reg))#define mga_out8(reg,v)		*(volatile Uint8  *)(mapped_io + (reg)) = v;#define mga_out32(reg,v)	*(volatile Uint32 *)(mapped_io + (reg)) = v;/* Wait for fifo space */#define mga_wait(space)							\{									\	while ( mga_in8(MGAREG_FIFOSTATUS) < space )			\		;							\}/* Wait for idle accelerator */#define mga_waitidle()							\{									\	while ( mga_in32(MGAREG_STATUS) & 0x10000 )			\		;							\}