sync code with last improvements from OpenBSD

2023-08-28 05:57:34 +00:00 · 2023-08-28 05:57:34 +00:00 · 88965415ff
commit 88965415ff
26235 changed files with 29195616 additions and 0 deletions
--- a/xserver/hw/xfree86/ddc/xf86DDC.h
+++ b/xserver/hw/xfree86/ddc/xf86DDC.h
@ -0,0 +1,101 @@
+
+/* 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 _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(ScrnInfoPtr pScrn,
+                                            DDC1SetSpeedProc DDC1SetSpeed,
+                                            unsigned
+                                            int (*DDC1Read) (ScrnInfoPtr)
+    );
+
+extern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(ScrnInfoPtr pScrn, I2CBusPtr pBus);
+
+extern _X_EXPORT xf86MonPtr xf86DoEEDID(ScrnInfoPtr pScrn, I2CBusPtr pBus, Bool);
+
+extern _X_EXPORT xf86MonPtr xf86PrintEDID(xf86MonPtr monPtr);
+
+extern _X_EXPORT xf86MonPtr xf86InterpretEDID(int screenIndex, Uchar * block);
+
+extern _X_EXPORT xf86MonPtr xf86InterpretEEDID(int screenIndex, Uchar * block);
+
+extern _X_EXPORT void
+ xf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
+
+extern _X_EXPORT Bool xf86SetDDCproperties(ScrnInfoPtr pScreen, xf86MonPtr DDC);
+
+extern _X_EXPORT Bool
+ xf86MonitorIsHDMI(xf86MonPtr mon);
+
+extern _X_EXPORT Bool
+gtf_supported(xf86MonPtr mon);
+
+extern _X_EXPORT DisplayModePtr
+FindDMTMode(int hsize, int vsize, int refresh, Bool rb);
+
+extern _X_EXPORT const DisplayModeRec DMTModes[];
+
+/*
+ * Quirks to work around broken EDID data from various monitors.
+ */
+typedef enum {
+    DDC_QUIRK_NONE = 0,
+    /* First detailed mode is bogus, prefer largest mode at 60hz */
+    DDC_QUIRK_PREFER_LARGE_60 = 1 << 0,
+    /* 135MHz clock is too high, drop a bit */
+    DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1,
+    /* Prefer the largest mode at 75 Hz */
+    DDC_QUIRK_PREFER_LARGE_75 = 1 << 2,
+    /* Convert detailed timing's horizontal from units of cm to mm */
+    DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3,
+    /* Convert detailed timing's vertical from units of cm to mm */
+    DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4,
+    /* Detailed timing descriptors have bogus size values, so just take the
+     * maximum size and use that.
+     */
+    DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5,
+    /* Monitor forgot to set the first detailed is preferred bit. */
+    DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6,
+    /* use +hsync +vsync for detailed mode */
+    DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7,
+    /* Force single-link DVI bandwidth limit */
+    DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8,
+} ddc_quirk_t;
+
+typedef void (*handle_detailed_fn) (struct detailed_monitor_section *, void *);
+
+void xf86ForEachDetailedBlock(xf86MonPtr mon, handle_detailed_fn, void *data);
+
+ddc_quirk_t xf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose);
+
+void xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon,
+                              ddc_quirk_t quirks, int hsize, int vsize);
+
+typedef void (*handle_video_fn) (struct cea_video_block *, void *);
+
+void xf86ForEachVideoBlock(xf86MonPtr, handle_video_fn, void *);
+
+struct cea_data_block *xf86MonitorFindHDMIBlock(xf86MonPtr mon);
+
+#endif