/*    SDL - Simple DirectMedia Layer    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  Sam Lantinga    This library is free software; you can redistribute it and/or    modify it under the terms of the GNU Library General Public    License as published by the Free Software Foundation; either    version 2 of the License, or (at your option) any later version.    This library 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.  See the GNU    Library General Public License for more details.    You should have received a copy of the GNU Library General Public    License along with this library; if not, write to the Free    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA    Sam Lantinga    slouken@libsdl.org*/#ifdef SAVE_RCSIDstatic char rcsid = "@(#) $Id: matrox_mmio.h,v 1.4 2002/03/06 11:23:04 slouken Exp $";#endif/* 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 )			\		;							\}