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Diffstat (limited to 'hw/kdrive/sis530/siscmap.c')
| -rw-r--r-- | hw/kdrive/sis530/siscmap.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/hw/kdrive/sis530/siscmap.c b/hw/kdrive/sis530/siscmap.c new file mode 100644 index 000000000..dadecf895 --- /dev/null +++ b/hw/kdrive/sis530/siscmap.c @@ -0,0 +1,64 @@ +/* + * $Id$ + * + * Copyright © 1999 Keith Packard + * + * 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 Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD 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. + */ +/* $XFree86: $ */ + +#include "sis.h" + +void +sisGetColors (ScreenPtr pScreen, int ndef, xColorItem *pdefs) +{ + KdScreenPriv(pScreen); + sisCardInfo(pScreenPriv); + + LockSis (sisc); + while (ndef--) + { + _sisOutb (pdefs->pixel, sisc->io_base+SIS_DAC_INDEX_READ); + pdefs->red = _sisInb (sisc->io_base+SIS_DAC_DATA) << 10; + pdefs->green = _sisInb (sisc->io_base+SIS_DAC_DATA) << 10; + pdefs->blue = _sisInb (sisc->io_base+SIS_DAC_DATA) << 10; + pdefs++; + } + UnlockSis (sisc); +} + +void +sisPutColors (ScreenPtr pScreen, int ndef, xColorItem *pdefs) +{ + KdScreenPriv(pScreen); + sisCardInfo(pScreenPriv); + + LockSis(sisc); + _sisWaitVRetrace (sisc); + while (ndef--) + { + _sisOutb (pdefs->pixel, sisc->io_base+SIS_DAC_INDEX_WRITE); + _sisOutb (pdefs->red >> 10, sisc->io_base+SIS_DAC_DATA); + _sisOutb (pdefs->green >> 10, sisc->io_base+SIS_DAC_DATA); + _sisOutb (pdefs->blue >> 10, sisc->io_base+SIS_DAC_DATA); + pdefs++; + } + UnlockSis(sisc); +} + |