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61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/ddc/xf86DDC.h,v 1.10 2000/06/07 22:03:09 tsi Exp $ */
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/* xf86DDC.h
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*
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* This file contains all information to interpret a standard EDIC block
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* transmitted by a display device via DDC (Display Data Channel). So far
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* there is no information to deal with optional EDID blocks.
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* DDC is a Trademark of VESA (Video Electronics Standard Association).
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*
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* Copyright 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
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*/
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#ifndef XF86_DDC_H
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# define XF86_DDC_H
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#include "xf86i2c.h"
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#include "vdif.h"
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//#include "xf86str.h"
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/* speed up / slow down */
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typedef enum {
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DDC_SLOW,
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DDC_FAST
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} xf86ddcSpeed;
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typedef void (* DDC1SetSpeedProc)(RHDPtr, xf86ddcSpeed);
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extern xf86MonPtr xf86DoEDID_DDC1(
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RHDPtr rhdPtr,
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DDC1SetSpeedProc DDC1SetSpeed,
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unsigned int (*DDC1Read)(RHDPtr)
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);
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extern xf86MonPtr xf86DoEDID_DDC2(RHDPtr rhdPtr,I2CBusPtr pBus);
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extern xf86MonPtr xf86PrintEDID(
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xf86MonPtr monPtr
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);
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extern xf86MonPtr xf86InterpretEDID(int scrnIndex, Uchar *block);
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extern xf86vdifPtr xf86InterpretVdif(
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CARD8 *c
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);
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extern Bool xf86SetDDCproperties(
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RHDPtr rhdPtr,
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xf86MonPtr DDC
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);
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extern void xf86print_vdif(
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xf86vdifPtr v
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);
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#endif
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