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/*
* Copyright 1998 by Alan Hourihane, Wigan, England.
*
* 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 Alan Hourihane not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Alan Hourihane makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ALAN HOURIHANE 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.
*
* Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk>
*
* Generic RAMDAC access to colormaps.
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include <X11/Xproto.h>
#include "windowstr.h"
#include "mipointer.h"
#include "micmap.h"
#include "xf86.h"
#include "compiler.h"
#include "colormapst.h"
#include "xf86RamDacPriv.h"
#include "xf86PciInfo.h"
#include "xf86Pci.h"
void
RamDacLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors,
VisualPtr pVisual)
{
RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
int i, index;
for (i = 0; i < numColors; i++) {
index = indices[i];
(*hwp->WriteAddress)(pScrn, index);
(*hwp->WriteData)(pScrn, colors[index].red);
(*hwp->WriteData)(pScrn, colors[index].green);
(*hwp->WriteData)(pScrn, colors[index].blue);
}
}
Bool
RamDacHandleColormaps(ScreenPtr pScreen, int maxColors, int sigRGBbits,
unsigned int flags)
{
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
RamDacRecPtr hwp = RAMDACSCRPTR(pScrn);
if (hwp->LoadPalette == NULL)
return xf86HandleColormaps(pScreen, maxColors, sigRGBbits,
RamDacLoadPalette, NULL, flags);
else
return xf86HandleColormaps(pScreen, maxColors, sigRGBbits,
hwp->LoadPalette, NULL, flags);
}
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