b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* xf86DDC.h
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync *
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * This file contains all information to interpret a standard EDIC block
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * transmitted by a display device via DDC (Display Data Channel). So far
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * there is no information to deal with optional EDID blocks.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * DDC is a Trademark of VESA (Video Electronics Standard Association).
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync *
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#ifndef XF86_DDC_H
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync# define XF86_DDC_H
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#include "edid.h"
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#include "xf86i2c.h"
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#include "xf86str.h"
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/* speed up / slow down */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef enum {
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_SLOW,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_FAST
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync} xf86ddcSpeed;
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef void (* DDC1SetSpeedProc)(ScrnInfoPtr, xf86ddcSpeed);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync int scrnIndex,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC1SetSpeedProc DDC1SetSpeed,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync unsigned int (*DDC1Read)(ScrnInfoPtr)
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync int scrnIndex,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync I2CBusPtr pBus
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr xf86DoEEDID(int scrnIndex, I2CBusPtr pBus, Bool);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr xf86PrintEDID(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync xf86MonPtr monPtr
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEDID(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync int screenIndex, Uchar *block
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr xf86InterpretEEDID(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync int screenIndex, Uchar *block
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT void
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncxf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT Bool xf86SetDDCproperties(
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync ScrnInfoPtr pScreen,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync xf86MonPtr DDC
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT Bool
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncxf86MonitorIsHDMI(xf86MonPtr mon);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT xf86MonPtr
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncxf86DoDisplayID(int scrnIndex, I2CBusPtr pBus);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT void
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncxf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT DisplayModePtr
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncFindDMTMode(int hsize, int vsize, int refresh, Bool rb);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern _X_EXPORT const DisplayModeRec DMTModes[];
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync/*
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * Quirks to work around broken EDID data from various monitors.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef enum {
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_NONE = 0,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* First detailed mode is bogus, prefer largest mode at 60hz */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_PREFER_LARGE_60 = 1 << 0,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* 135MHz clock is too high, drop a bit */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* Prefer the largest mode at 75 Hz */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_PREFER_LARGE_75 = 1 << 2,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* Convert detailed timing's horizontal from units of cm to mm */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* Convert detailed timing's vertical from units of cm to mm */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* Detailed timing descriptors have bogus size values, so just take the
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync * maximum size and use that.
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* Monitor forgot to set the first detailed is preferred bit. */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* use +hsync +vsync for detailed mode */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync /* Force single-link DVI bandwidth limit */
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync} ddc_quirk_t;
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncDisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncextern Bool
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncxf86MonitorIsHDMI(xf86MonPtr mon);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef void (* handle_detailed_fn)(struct detailed_monitor_section *,void *);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncvoid xf86ForEachDetailedBlock(xf86MonPtr mon,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync handle_detailed_fn,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync void *data);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncddc_quirk_t
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncxf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncvoid xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync ddc_quirk_t quirks, int hsize, int vsize);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsynctypedef void (* handle_video_fn)(struct cea_video_block *, void *);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsyncvoid xf86ForEachVideoBlock(xf86MonPtr,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync handle_video_fn,
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync void *);
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync
b9a21c3c91c47e090316e28d759194e46628ed49vboxsync#endif