cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/* xf86DDC.h
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * This file contains all information to interpret a standard EDIC block
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * transmitted by a display device via DDC (Display Data Channel). So far
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * there is no information to deal with optional EDID blocks.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * DDC is a Trademark of VESA (Video Electronics Standard Association).
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync *
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#ifndef XF86_DDC_H
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync# define XF86_DDC_H
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#include "edid.h"
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#include "xf86i2c.h"
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#include "xf86str.h"
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/* speed up / slow down */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef enum {
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_SLOW,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_FAST
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync} xf86ddcSpeed;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef void (* DDC1SetSpeedProc)(ScrnInfoPtr, xf86ddcSpeed);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync int scrnIndex,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC1SetSpeedProc DDC1SetSpeed,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync unsigned int (*DDC1Read)(ScrnInfoPtr)
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync int scrnIndex,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync I2CBusPtr pBus
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr xf86DoEEDID(int scrnIndex, I2CBusPtr pBus, Bool);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr xf86PrintEDID(
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync xf86MonPtr monPtr
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEDID(
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync int screenIndex, Uchar *block
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEEDID(
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync int screenIndex, Uchar *block
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncxf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT Bool xf86SetDDCproperties(
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync ScrnInfoPtr pScreen,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync xf86MonPtr DDC
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT Bool
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncxf86MonitorIsHDMI(xf86MonPtr mon);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT xf86MonPtr
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncxf86DoDisplayID(int scrnIndex, I2CBusPtr pBus);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT void
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncxf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT DisplayModePtr
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncFindDMTMode(int hsize, int vsize, int refresh, Bool rb);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern _X_EXPORT const DisplayModeRec DMTModes[];
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync/*
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * Quirks to work around broken EDID data from various monitors.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef enum {
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_NONE = 0,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* First detailed mode is bogus, prefer largest mode at 60hz */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_PREFER_LARGE_60 = 1 << 0,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* 135MHz clock is too high, drop a bit */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* Prefer the largest mode at 75 Hz */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_PREFER_LARGE_75 = 1 << 2,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* Convert detailed timing's horizontal from units of cm to mm */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* Convert detailed timing's vertical from units of cm to mm */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* Detailed timing descriptors have bogus size values, so just take the
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync * maximum size and use that.
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* Monitor forgot to set the first detailed is preferred bit. */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* use +hsync +vsync for detailed mode */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync /* Force single-link DVI bandwidth limit */
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync} ddc_quirk_t;
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncDisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncextern Bool
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncxf86MonitorIsHDMI(xf86MonPtr mon);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef void (* handle_detailed_fn)(struct detailed_monitor_section *,void *);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncvoid xf86ForEachDetailedBlock(xf86MonPtr mon,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync handle_detailed_fn,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync void *data);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncddc_quirk_t
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncxf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncvoid xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync ddc_quirk_t quirks, int hsize, int vsize);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsynctypedef void (* handle_video_fn)(struct cea_video_block *, void *);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsyncvoid xf86ForEachVideoBlock(xf86MonPtr,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync handle_video_fn,
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync void *);
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync
cabde247f900dcf6e58d009bbdd15099c028c6fcvboxsync#endif