x11include/xorg-server-1.15.0/xf86DDC.h

65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync/* xf86DDC.h
65fea56f17cd614bc8908264df980a62e1931468vboxsync *
65fea56f17cd614bc8908264df980a62e1931468vboxsync * This file contains all information to interpret a standard EDIC block
65fea56f17cd614bc8908264df980a62e1931468vboxsync * transmitted by a display device via DDC (Display Data Channel). So far
65fea56f17cd614bc8908264df980a62e1931468vboxsync * there is no information to deal with optional EDID blocks.
65fea56f17cd614bc8908264df980a62e1931468vboxsync * DDC is a Trademark of VESA (Video Electronics Standard Association).
65fea56f17cd614bc8908264df980a62e1931468vboxsync *
65fea56f17cd614bc8908264df980a62e1931468vboxsync * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
65fea56f17cd614bc8908264df980a62e1931468vboxsync */
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#ifndef XF86_DDC_H
65fea56f17cd614bc8908264df980a62e1931468vboxsync#define XF86_DDC_H
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include "edid.h"
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include "xf86i2c.h"
65fea56f17cd614bc8908264df980a62e1931468vboxsync#include "xf86str.h"
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync/* speed up / slow down */
65fea56f17cd614bc8908264df980a62e1931468vboxsynctypedef enum {
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_SLOW,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_FAST
65fea56f17cd614bc8908264df980a62e1931468vboxsync} xf86ddcSpeed;
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsynctypedef void (*DDC1SetSpeedProc) (ScrnInfoPtr, xf86ddcSpeed);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(ScrnInfoPtr pScrn,
65fea56f17cd614bc8908264df980a62e1931468vboxsync                                            DDC1SetSpeedProc DDC1SetSpeed,
65fea56f17cd614bc8908264df980a62e1931468vboxsync                                            unsigned
65fea56f17cd614bc8908264df980a62e1931468vboxsync                                            int (*DDC1Read) (ScrnInfoPtr)
65fea56f17cd614bc8908264df980a62e1931468vboxsync    );
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(ScrnInfoPtr pScrn, I2CBusPtr pBus);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86DoEEDID(ScrnInfoPtr pScrn, I2CBusPtr pBus, Bool);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86PrintEDID(xf86MonPtr monPtr);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEDID(int screenIndex, Uchar * block);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEEDID(int screenIndex, Uchar * block);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT void
65fea56f17cd614bc8908264df980a62e1931468vboxsync xf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT Bool xf86SetDDCproperties(ScrnInfoPtr pScreen, xf86MonPtr DDC);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT Bool
65fea56f17cd614bc8908264df980a62e1931468vboxsync xf86MonitorIsHDMI(xf86MonPtr mon);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT xf86MonPtr xf86DoDisplayID(ScrnInfoPtr pScrn, I2CBusPtr pBus);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT void
65fea56f17cd614bc8908264df980a62e1931468vboxsync xf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT DisplayModePtr
65fea56f17cd614bc8908264df980a62e1931468vboxsyncFindDMTMode(int hsize, int vsize, int refresh, Bool rb);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncextern _X_EXPORT const DisplayModeRec DMTModes[];
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync/*
65fea56f17cd614bc8908264df980a62e1931468vboxsync * Quirks to work around broken EDID data from various monitors.
65fea56f17cd614bc8908264df980a62e1931468vboxsync */
65fea56f17cd614bc8908264df980a62e1931468vboxsynctypedef enum {
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_NONE = 0,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* First detailed mode is bogus, prefer largest mode at 60hz */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_PREFER_LARGE_60 = 1 << 0,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* 135MHz clock is too high, drop a bit */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* Prefer the largest mode at 75 Hz */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_PREFER_LARGE_75 = 1 << 2,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* Convert detailed timing's horizontal from units of cm to mm */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* Convert detailed timing's vertical from units of cm to mm */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* Detailed timing descriptors have bogus size values, so just take the
65fea56f17cd614bc8908264df980a62e1931468vboxsync     * maximum size and use that.
65fea56f17cd614bc8908264df980a62e1931468vboxsync     */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* Monitor forgot to set the first detailed is preferred bit. */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* use +hsync +vsync for detailed mode */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7,
65fea56f17cd614bc8908264df980a62e1931468vboxsync    /* Force single-link DVI bandwidth limit */
65fea56f17cd614bc8908264df980a62e1931468vboxsync    DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8,
65fea56f17cd614bc8908264df980a62e1931468vboxsync} ddc_quirk_t;
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsynctypedef void (*handle_detailed_fn) (struct detailed_monitor_section *, void *);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncvoid xf86ForEachDetailedBlock(xf86MonPtr mon, handle_detailed_fn, void *data);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncddc_quirk_t xf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncvoid xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon,
65fea56f17cd614bc8908264df980a62e1931468vboxsync                              ddc_quirk_t quirks, int hsize, int vsize);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsynctypedef void (*handle_video_fn) (struct cea_video_block *, void *);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsyncvoid xf86ForEachVideoBlock(xf86MonPtr, handle_video_fn, void *);
65fea56f17cd614bc8908264df980a62e1931468vboxsync
65fea56f17cd614bc8908264df980a62e1931468vboxsync#endif