f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync/* xf86DDC.h
f0ab104f070bc7f569404826fea1828ed985638cvboxsync *
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * This file contains all information to interpret a standard EDIC block
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * transmitted by a display device via DDC (Display Data Channel). So far
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * there is no information to deal with optional EDID blocks.
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * DDC is a Trademark of VESA (Video Electronics Standard Association).
f0ab104f070bc7f569404826fea1828ed985638cvboxsync *
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
f0ab104f070bc7f569404826fea1828ed985638cvboxsync */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#ifndef XF86_DDC_H
f0ab104f070bc7f569404826fea1828ed985638cvboxsync# define XF86_DDC_H
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "edid.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "xf86i2c.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#include "xf86str.h"
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync/* speed up / slow down */
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef enum {
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_SLOW,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_FAST
f0ab104f070bc7f569404826fea1828ed985638cvboxsync} xf86ddcSpeed;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef void (* DDC1SetSpeedProc)(ScrnInfoPtr, xf86ddcSpeed);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int scrnIndex,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC1SetSpeedProc DDC1SetSpeed,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync unsigned int (*DDC1Read)(ScrnInfoPtr)
f0ab104f070bc7f569404826fea1828ed985638cvboxsync);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int scrnIndex,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync I2CBusPtr pBus
f0ab104f070bc7f569404826fea1828ed985638cvboxsync);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEEDID(int scrnIndex, I2CBusPtr pBus, Bool);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr xf86PrintEDID(
f0ab104f070bc7f569404826fea1828ed985638cvboxsync xf86MonPtr monPtr
f0ab104f070bc7f569404826fea1828ed985638cvboxsync);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEDID(
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int screenIndex, Uchar *block
f0ab104f070bc7f569404826fea1828ed985638cvboxsync);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEEDID(
f0ab104f070bc7f569404826fea1828ed985638cvboxsync int screenIndex, Uchar *block
f0ab104f070bc7f569404826fea1828ed985638cvboxsync);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncxf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT Bool xf86SetDDCproperties(
f0ab104f070bc7f569404826fea1828ed985638cvboxsync ScrnInfoPtr pScreen,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync xf86MonPtr DDC
f0ab104f070bc7f569404826fea1828ed985638cvboxsync);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT Bool
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncxf86MonitorIsHDMI(xf86MonPtr mon);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT xf86MonPtr
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncxf86DoDisplayID(int scrnIndex, I2CBusPtr pBus);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT void
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncxf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT DisplayModePtr
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncFindDMTMode(int hsize, int vsize, int refresh, Bool rb);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncextern _X_EXPORT const DisplayModeRec DMTModes[];
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync/*
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * Quirks to work around broken EDID data from various monitors.
f0ab104f070bc7f569404826fea1828ed985638cvboxsync */
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef enum {
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_NONE = 0,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* First detailed mode is bogus, prefer largest mode at 60hz */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_PREFER_LARGE_60 = 1 << 0,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* 135MHz clock is too high, drop a bit */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* Prefer the largest mode at 75 Hz */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_PREFER_LARGE_75 = 1 << 2,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* Convert detailed timing's horizontal from units of cm to mm */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* Convert detailed timing's vertical from units of cm to mm */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* Detailed timing descriptors have bogus size values, so just take the
f0ab104f070bc7f569404826fea1828ed985638cvboxsync * maximum size and use that.
f0ab104f070bc7f569404826fea1828ed985638cvboxsync */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* Monitor forgot to set the first detailed is preferred bit. */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* use +hsync +vsync for detailed mode */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync /* Force single-link DVI bandwidth limit */
f0ab104f070bc7f569404826fea1828ed985638cvboxsync DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync} ddc_quirk_t;
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef void (* handle_detailed_fn)(struct detailed_monitor_section *,void *);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncvoid xf86ForEachDetailedBlock(xf86MonPtr mon,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync handle_detailed_fn,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync void *data);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncddc_quirk_t
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncxf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncvoid xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync ddc_quirk_t quirks, int hsize, int vsize);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsynctypedef void (* handle_video_fn)(struct cea_video_block *, void *);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsyncvoid xf86ForEachVideoBlock(xf86MonPtr,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync handle_video_fn,
f0ab104f070bc7f569404826fea1828ed985638cvboxsync void *);
f0ab104f070bc7f569404826fea1828ed985638cvboxsync
f0ab104f070bc7f569404826fea1828ed985638cvboxsync#endif