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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 xf86MonPtr xf86DoEDID_DDC1(
int scrnIndex,
DDC1SetSpeedProc DDC1SetSpeed,
unsigned int (*DDC1Read)(ScrnInfoPtr)
);
extern xf86MonPtr xf86DoEDID_DDC2(
int scrnIndex,
I2CBusPtr pBus
);
extern xf86MonPtr xf86PrintEDID(
xf86MonPtr monPtr
);
extern xf86MonPtr xf86InterpretEDID(
int screenIndex, Uchar *block
);
extern xf86vdifPtr xf86InterpretVdif(
CARD8 *c
);
extern void
xf86DDCMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC);
extern Bool xf86SetDDCproperties(
ScrnInfoPtr pScreen,
xf86MonPtr DDC
);
extern void xf86print_vdif(
xf86vdifPtr v
);
DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC);
#endif
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