x11include/xorg-server-1.16.0/xf86DDC.h

61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/* xf86DDC.h
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync *
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * This file contains all information to interpret a standard EDIC block
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * transmitted by a display device via DDC (Display Data Channel). So far
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * there is no information to deal with optional EDID blocks.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * DDC is a Trademark of VESA (Video Electronics Standard Association).
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync *
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#ifndef XF86_DDC_H
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#define XF86_DDC_H
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include "edid.h"
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include "xf86i2c.h"
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#include "xf86str.h"
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/* speed up / slow down */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsynctypedef enum {
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_SLOW,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_FAST
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync} xf86ddcSpeed;
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsynctypedef void (*DDC1SetSpeedProc) (ScrnInfoPtr, xf86ddcSpeed);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(ScrnInfoPtr pScrn,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync                                            DDC1SetSpeedProc DDC1SetSpeed,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync                                            unsigned
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync                                            int (*DDC1Read) (ScrnInfoPtr)
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    );
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(ScrnInfoPtr pScrn, I2CBusPtr pBus);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEEDID(ScrnInfoPtr pScrn, I2CBusPtr pBus, Bool);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86PrintEDID(xf86MonPtr monPtr);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEDID(int screenIndex, Uchar * block);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEEDID(int screenIndex, Uchar * block);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT void
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync xf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT Bool xf86SetDDCproperties(ScrnInfoPtr pScreen, xf86MonPtr DDC);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT Bool
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync xf86MonitorIsHDMI(xf86MonPtr mon);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT xf86MonPtr xf86DoDisplayID(ScrnInfoPtr pScrn, I2CBusPtr pBus);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT void
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync xf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT DisplayModePtr
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncFindDMTMode(int hsize, int vsize, int refresh, Bool rb);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncextern _X_EXPORT const DisplayModeRec DMTModes[];
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync/*
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync * Quirks to work around broken EDID data from various monitors.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsynctypedef enum {
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_NONE = 0,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* First detailed mode is bogus, prefer largest mode at 60hz */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_PREFER_LARGE_60 = 1 << 0,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* 135MHz clock is too high, drop a bit */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* Prefer the largest mode at 75 Hz */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_PREFER_LARGE_75 = 1 << 2,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* Convert detailed timing's horizontal from units of cm to mm */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* Convert detailed timing's vertical from units of cm to mm */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* Detailed timing descriptors have bogus size values, so just take the
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync     * maximum size and use that.
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync     */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* Monitor forgot to set the first detailed is preferred bit. */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* use +hsync +vsync for detailed mode */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    /* Force single-link DVI bandwidth limit */
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync    DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync} ddc_quirk_t;
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsynctypedef void (*handle_detailed_fn) (struct detailed_monitor_section *, void *);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncvoid xf86ForEachDetailedBlock(xf86MonPtr mon, handle_detailed_fn, void *data);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncddc_quirk_t xf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncvoid xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon,
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync                              ddc_quirk_t quirks, int hsize, int vsize);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsynctypedef void (*handle_video_fn) (struct cea_video_block *, void *);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncvoid xf86ForEachVideoBlock(xf86MonPtr, handle_video_fn, void *);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsyncstruct cea_data_block *xf86MonitorFindHDMIBlock(xf86MonPtr mon);
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync
61cb83a8ccd1dd7f671f31fa93c9d8b7be09b4ccvboxsync#endif