ativgaio.c revision 32b578d3 
1/*
2 * Copyright 2000 through 2004 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
3 *
4 * Permission to use, copy, modify, distribute, and sell this software and its
5 * documentation for any purpose is hereby granted without fee, provided that
6 * the above copyright notice appear in all copies and that both that copyright
7 * notice and this permission notice appear in supporting documentation, and
8 * that the name of Marc Aurele La France not be used in advertising or
9 * publicity pertaining to distribution of the software without specific,
10 * written prior permission.  Marc Aurele La France makes no representations
11 * about the suitability of this software for any purpose.  It is provided
12 * "as-is" without express or implied warranty.
13 *
14 * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO
16 * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20 * PERFORMANCE OF THIS SOFTWARE.
21 */
22
23#ifdef HAVE_CONFIG_H
24#include "config.h"
25#endif
26
27#include "ati.h"
28#include "atistruct.h"
29#include "ativgaio.h"
30
31#ifndef AVOID_CPIO
32
33/*
34 * ATISetVGAIOBase --
35 *
36 * This sets vgaIOBase according to the value of the passed value of the
37 * miscellaneous output register.
38 */
39void
40ATISetVGAIOBase
41(
42    ATIPtr      pATI,
43    const CARD8 misc
44)
45{
46    pATI->CPIO_VGABase = (misc & 0x01U) ? ColourIOBase : MonochromeIOBase;
47}
48
49#endif /* AVOID_CPIO */
50