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/* xf86DDC.h
*
* This file contains all information to interpret a standard EDIC block
* transmitted by a display device via DDC (Display Data Channel). So far
* there is no information to deal with optional EDID blocks.
* DDC is a Trademark of VESA (Video Electronics Standard Association).
*
* Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
*/
#ifndef XF86_DDC_H
# define XF86_DDC_H
#include "edid.h"
#include "xf86i2c.h"
#include "xf86str.h"
/* speed up / slow down */
typedef enum {
DDC_SLOW,
DDC_FAST
} xf86ddcSpeed;
typedef void (* DDC1SetSpeedProc)(ScrnInfoPtr, xf86ddcSpeed);
extern _X_EXPORT xf86MonPtr xf86DoEDID_DDC1(
int scrnIndex,
DDC1SetSpeedProc DDC1SetSpeed,
unsigned int (*DDC1Read)(ScrnInfoPtr)
);
extern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(
int scrnIndex,
I2CBusPtr pBus
);
extern _X_EXPORT xf86MonPtr xf86DoEEDID(int scrnIndex, I2CBusPtr pBus, Bool);
extern _X_EXPORT xf86MonPtr xf86PrintEDID(
xf86MonPtr monPtr
);
extern _X_EXPORT xf86MonPtr xf86InterpretEDID(
int screenIndex, Uchar *block
);
extern _X_EXPORT xf86MonPtr xf86InterpretEEDID(
int screenIndex, Uchar *block
);
extern _X_EXPORT void
xf86EdidMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
extern _X_EXPORT Bool xf86SetDDCproperties(
ScrnInfoPtr pScreen,
xf86MonPtr DDC
);
extern _X_EXPORT DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
extern _X_EXPORT Bool
xf86MonitorIsHDMI(xf86MonPtr mon);
extern _X_EXPORT xf86MonPtr
xf86DoDisplayID(int scrnIndex, I2CBusPtr pBus);
extern _X_EXPORT void
xf86DisplayIDMonitorSet(int scrnIndex, MonPtr mon, xf86MonPtr DDC);
extern _X_EXPORT DisplayModePtr
FindDMTMode(int hsize, int vsize, int refresh, Bool rb);
extern _X_EXPORT const DisplayModeRec DMTModes[];
#endif
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