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Diffstat (limited to 'xorg-server/hw/xfree86/ddc/ddcProperty.c')
-rw-r--r--xorg-server/hw/xfree86/ddc/ddcProperty.c249
1 files changed, 124 insertions, 125 deletions
diff --git a/xorg-server/hw/xfree86/ddc/ddcProperty.c b/xorg-server/hw/xfree86/ddc/ddcProperty.c
index d4ae1006d..5d6eec927 100644
--- a/xorg-server/hw/xfree86/ddc/ddcProperty.c
+++ b/xorg-server/hw/xfree86/ddc/ddcProperty.c
@@ -1,125 +1,124 @@
-/*
- * Copyright 2006 Luc Verhaegen.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sub license,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf86.h"
-#include "xf86DDC.h"
-#include <X11/Xatom.h>
-#include "property.h"
-#include "propertyst.h"
-#include "xf86DDC.h"
-#include <string.h>
-
-#define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA"
-#define EDID2_ATOM_NAME "XFree86_DDC_EDID2_RAWDATA"
-
-static void
-edidMakeAtom(int i, const char *name, CARD8 *data, int size)
-{
- Atom atom;
- unsigned char *atom_data;
-
- if (!(atom_data = malloc(size*sizeof(CARD8))))
- return;
-
- atom = MakeAtom(name, strlen(name), TRUE);
- memcpy(atom_data, data, size);
- xf86RegisterRootWindowProperty(i, atom, XA_INTEGER, 8, size, atom_data);
-}
-
-static void
-addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
-{
- int i, scrnIndex = pScrn->scrnIndex;
- Bool makeEDID1prop = FALSE;
- Bool makeEDID2prop = FALSE;
-
- if (DDC->flags & MONITOR_DISPLAYID) {
- /* Don't bother, use RANDR already */
- return;
- } else if (DDC->ver.version == 1) {
- makeEDID1prop = TRUE;
- } else if (DDC->ver.version == 2) {
- int checksum1;
- int checksum2;
- makeEDID2prop = TRUE;
-
- /* Some monitors (eg Panasonic PanaSync4)
- * report version==2 because they used EDID v2 spec document,
- * although they use EDID v1 data structure :-(
- *
- * Try using checksum to determine when we have such a monitor.
- */
- checksum2 = 0;
- for (i = 0; i < 256; i++)
- checksum2 += DDC->rawData[i];
- if (checksum2 % 256) {
- xf86DrvMsg(scrnIndex, X_INFO, "Monitor EDID v2 checksum failed\n");
- xf86DrvMsg(scrnIndex, X_INFO,
- "XFree86_DDC_EDID2_RAWDATA property may be bad\n");
- checksum1 = 0;
- for (i = 0; i < 128; i++)
- checksum1 += DDC->rawData[i];
- if (!(checksum1 % 256)) {
- xf86DrvMsg(scrnIndex, X_INFO,
- "Monitor EDID v1 checksum passed,\n");
- xf86DrvMsg(scrnIndex, X_INFO,
- "XFree86_DDC_EDID1_RAWDATA property created\n");
- makeEDID1prop = TRUE;
- }
- }
- } else {
- xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n",
- DDC->ver.version, DDC->ver.revision);
- return;
- }
-
- if (makeEDID1prop) {
- int size = 128 +
- (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0);
-
- edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size);
- }
-
- if (makeEDID2prop)
- edidMakeAtom(scrnIndex, EDID2_ATOM_NAME, DDC->rawData, 256);
-}
-
-Bool
-xf86SetDDCproperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
-{
- if (!pScrn || !pScrn->monitor || !DDC)
- return FALSE;
-
- if (DDC->flags & MONITOR_DISPLAYID)
- ;
- else
- xf86EdidMonitorSet(pScrn->scrnIndex, pScrn->monitor, DDC);
-
- addRootWindowProperties(pScrn, DDC);
-
- return TRUE;
-}
+/*
+ * Copyright 2006 Luc Verhaegen.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sub license,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include "xf86DDC.h"
+#include <X11/Xatom.h>
+#include "property.h"
+#include "propertyst.h"
+#include <string.h>
+
+#define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA"
+#define EDID2_ATOM_NAME "XFree86_DDC_EDID2_RAWDATA"
+
+static void
+edidMakeAtom(int i, const char *name, CARD8 *data, int size)
+{
+ Atom atom;
+ unsigned char *atom_data;
+
+ if (!(atom_data = malloc(size*sizeof(CARD8))))
+ return;
+
+ atom = MakeAtom(name, strlen(name), TRUE);
+ memcpy(atom_data, data, size);
+ xf86RegisterRootWindowProperty(i, atom, XA_INTEGER, 8, size, atom_data);
+}
+
+static void
+addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
+{
+ int i, scrnIndex = pScrn->scrnIndex;
+ Bool makeEDID1prop = FALSE;
+ Bool makeEDID2prop = FALSE;
+
+ if (DDC->flags & MONITOR_DISPLAYID) {
+ /* Don't bother, use RANDR already */
+ return;
+ } else if (DDC->ver.version == 1) {
+ makeEDID1prop = TRUE;
+ } else if (DDC->ver.version == 2) {
+ int checksum1;
+ int checksum2;
+ makeEDID2prop = TRUE;
+
+ /* Some monitors (eg Panasonic PanaSync4)
+ * report version==2 because they used EDID v2 spec document,
+ * although they use EDID v1 data structure :-(
+ *
+ * Try using checksum to determine when we have such a monitor.
+ */
+ checksum2 = 0;
+ for (i = 0; i < 256; i++)
+ checksum2 += DDC->rawData[i];
+ if (checksum2 % 256) {
+ xf86DrvMsg(scrnIndex, X_INFO, "Monitor EDID v2 checksum failed\n");
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "XFree86_DDC_EDID2_RAWDATA property may be bad\n");
+ checksum1 = 0;
+ for (i = 0; i < 128; i++)
+ checksum1 += DDC->rawData[i];
+ if (!(checksum1 % 256)) {
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "Monitor EDID v1 checksum passed,\n");
+ xf86DrvMsg(scrnIndex, X_INFO,
+ "XFree86_DDC_EDID1_RAWDATA property created\n");
+ makeEDID1prop = TRUE;
+ }
+ }
+ } else {
+ xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n",
+ DDC->ver.version, DDC->ver.revision);
+ return;
+ }
+
+ if (makeEDID1prop) {
+ int size = 128 +
+ (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0);
+
+ edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size);
+ }
+
+ if (makeEDID2prop)
+ edidMakeAtom(scrnIndex, EDID2_ATOM_NAME, DDC->rawData, 256);
+}
+
+Bool
+xf86SetDDCproperties(ScrnInfoPtr pScrn, xf86MonPtr DDC)
+{
+ if (!pScrn || !pScrn->monitor || !DDC)
+ return FALSE;
+
+ if (DDC->flags & MONITOR_DISPLAYID)
+ ;
+ else
+ xf86EdidMonitorSet(pScrn->scrnIndex, pScrn->monitor, DDC);
+
+ addRootWindowProperties(pScrn, DDC);
+
+ return TRUE;
+}