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Diffstat (limited to 'src/ativgaio.c')
-rw-r--r-- | src/ativgaio.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/ativgaio.c b/src/ativgaio.c new file mode 100644 index 00000000..def54e24 --- /dev/null +++ b/src/ativgaio.c @@ -0,0 +1,46 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/ativgaio.c,v 1.4 2003/01/01 19:16:34 tsi Exp $ */ +/* + * Copyright 2000 through 2003 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. + */ + +#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 */ |