diff options
Diffstat (limited to 'driver/xf86-video-i740/src/i740_io.c')
-rw-r--r-- | driver/xf86-video-i740/src/i740_io.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/driver/xf86-video-i740/src/i740_io.c b/driver/xf86-video-i740/src/i740_io.c new file mode 100644 index 000000000..bfa6a1069 --- /dev/null +++ b/driver/xf86-video-i740/src/i740_io.c @@ -0,0 +1,96 @@ +/************************************************************************** + +Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sub license, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. +IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR +ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i740/i740_io.c,v 1.4 2002/01/25 21:56:03 tsi Exp $ */ + +/* + * Authors: + * Daryll Strauss <daryll@precisioninsight.com> + * + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "xf86.h" +#include "xf86_OSproc.h" +#include "compiler.h" +#include "vgaHW.h" + +#include "xf86xv.h" +#include "i740.h" + +static void I740WriteControlPIO(I740Ptr pI740, int addr, unsigned char index, char val) { + outb(addr, index); + outb(addr+1, val); +} + +static char I740ReadControlPIO(I740Ptr pI740, int addr, unsigned char index) { + outb(addr, index); + return inb(addr+1); +} + +static void I740WriteStandardPIO(I740Ptr pI740, int addr, unsigned char val) { + outb(addr, val); +} + +static char I740ReadStandardPIO(I740Ptr pI740, int addr) { + return inb(addr); +} + +void I740SetPIOAccess(I740Ptr pI740) { + pI740->writeControl=I740WriteControlPIO; + pI740->readControl=I740ReadControlPIO; + pI740->writeStandard=I740WriteStandardPIO; + pI740->readStandard=I740ReadStandardPIO; +} + +static void I740WriteControlMMIO(I740Ptr pI740, int addr, unsigned char index, char val) { + moutb(addr, index); + moutb(addr+1, val); +} + +static char I740ReadControlMMIO(I740Ptr pI740, int addr, unsigned char index) { + moutb(addr, index); + return minb(addr+1); +} + +static void I740WriteStandardMMIO(I740Ptr pI740, int addr, unsigned char val) { + moutb(addr, val); +} + +static char I740ReadStandardMMIO(I740Ptr pI740, int addr) { + return minb(addr); +} + +void I740SetMMIOAccess(I740Ptr pI740) { + pI740->writeControl=I740WriteControlMMIO; + pI740->readControl=I740ReadControlMMIO; + pI740->writeStandard=I740WriteStandardMMIO; + pI740->readStandard=I740ReadStandardMMIO; +} + |