1 files changed, 74 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/ramdac/xf86RamDacCmap.c b/xorg-server/hw/xfree86/ramdac/xf86RamDacCmap.c
new file mode 100644
index 000000000..600fe3f07
--- /dev/null
+++ b/xorg-server/hw/xfree86/ramdac/xf86RamDacCmap.c
@@ -0,0 +1,74 @@
+/*
+ * 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);
+}