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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/ddc/xf86DDC.h
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Checked in the following released items:
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Diffstat (limited to 'xorg-server/hw/xfree86/ddc/xf86DDC.h')
-rw-r--r--xorg-server/hw/xfree86/ddc/xf86DDC.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/ddc/xf86DDC.h b/xorg-server/hw/xfree86/ddc/xf86DDC.h
new file mode 100644
index 000000000..3b072dda7
--- /dev/null
+++ b/xorg-server/hw/xfree86/ddc/xf86DDC.h
@@ -0,0 +1,58 @@
+
+/* xf86DDC.h
+ *
+ * This file contains all information to interpret a standard EDIC block
+ * transmitted by a display device via DDC (Display Data Channel). So far
+ * there is no information to deal with optional EDID blocks.
+ * DDC is a Trademark of VESA (Video Electronics Standard Association).
+ *
+ * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
+ */
+
+#ifndef XF86_DDC_H
+# define XF86_DDC_H
+
+#include "edid.h"
+#include "xf86i2c.h"
+#include "xf86str.h"
+
+/* speed up / slow down */
+typedef enum {
+ DDC_SLOW,
+ DDC_FAST
+} xf86ddcSpeed;
+
+typedef void (* DDC1SetSpeedProc)(ScrnInfoPtr, xf86ddcSpeed);
+
+extern xf86MonPtr xf86DoEDID_DDC1(
+ int scrnIndex,
+ DDC1SetSpeedProc DDC1SetSpeed,
+ unsigned int (*DDC1Read)(ScrnInfoPtr)
+);
+
+extern xf86MonPtr xf86DoEDID_DDC2(
+ int scrnIndex,
+ I2CBusPtr pBus
+);
+
+extern xf86MonPtr xf86PrintEDID(
+ xf86MonPtr monPtr
+);
+
+extern xf86MonPtr xf86InterpretEDID(
+ int screenIndex, Uchar *block
+);
+
+extern void
+xf86DDCMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
+
+extern Bool xf86SetDDCproperties(
+ ScrnInfoPtr pScreen,
+ xf86MonPtr DDC
+);
+
+DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
+
+#endif
+
+