src/video/fbcon/matrox_mmio.h
author Edgar Simo <bobbens@gmail.com>
Sun, 06 Jul 2008 17:06:37 +0000
branchgsoc2008_force_feedback
changeset 2498 ab567bd667bf
parent 1895 c121d94672cb
child 2859 99210400e8b9
permissions -rw-r--r--
Fixed various mistakes in the doxygen.
     1 /*
     2     SDL - Simple DirectMedia Layer
     3     Copyright (C) 1997-2006 Sam Lantinga
     4 
     5     This library is free software; you can redistribute it and/or
     6     modify it under the terms of the GNU Lesser General Public
     7     License as published by the Free Software Foundation; either
     8     version 2.1 of the License, or (at your option) any later version.
     9 
    10     This library is distributed in the hope that it will be useful,
    11     but WITHOUT ANY WARRANTY; without even the implied warranty of
    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13     Lesser General Public License for more details.
    14 
    15     You should have received a copy of the GNU Lesser General Public
    16     License along with this library; if not, write to the Free Software
    17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    18 
    19     Sam Lantinga
    20     slouken@libsdl.org
    21 */
    22 #include "SDL_config.h"
    23 
    24 /* MGA register definitions */
    25 
    26 #include "matrox_regs.h"
    27 
    28 /* MGA control macros */
    29 
    30 #define mga_in8(reg)		*(volatile Uint8  *)(mapped_io + (reg))
    31 #define mga_in32(reg)		*(volatile Uint32 *)(mapped_io + (reg))
    32 
    33 #define mga_out8(reg,v)		*(volatile Uint8  *)(mapped_io + (reg)) = v;
    34 #define mga_out32(reg,v)	*(volatile Uint32 *)(mapped_io + (reg)) = v;
    35 
    36 
    37 /* Wait for fifo space */
    38 #define mga_wait(space)							\
    39 {									\
    40 	while ( mga_in8(MGAREG_FIFOSTATUS) < space )			\
    41 		;							\
    42 }
    43 
    44 
    45 /* Wait for idle accelerator */
    46 #define mga_waitidle()							\
    47 {									\
    48 	while ( mga_in32(MGAREG_STATUS) & 0x10000 )			\
    49 		;							\
    50 }
    51 /* vi: set ts=4 sw=4 expandtab: */