xenocara/driver/xf86-video-mach64/src/ativgaio.c

50 lines
1.6 KiB
C

/*
* Copyright 2000 through 2004 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of Marc Aurele La France not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Marc Aurele La France makes no representations
* about the suitability of this software for any purpose. It is provided
* "as-is" without express or implied warranty.
*
* MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
* EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ati.h"
#include "atistruct.h"
#include "ativgaio.h"
#ifndef AVOID_CPIO
/*
* ATISetVGAIOBase --
*
* This sets vgaIOBase according to the value of the passed value of the
* miscellaneous output register.
*/
void
ATISetVGAIOBase
(
ATIPtr pATI,
const CARD8 misc
)
{
pATI->CPIO_VGABase = (misc & 0x01U) ? ColourIOBase : MonochromeIOBase;
}
#endif /* AVOID_CPIO */