diff options
Diffstat (limited to 'hw/xfree86/ddc/xf86DDC.h')
-rw-r--r-- | hw/xfree86/ddc/xf86DDC.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/hw/xfree86/ddc/xf86DDC.h b/hw/xfree86/ddc/xf86DDC.h new file mode 100644 index 000000000..b4252ef6b --- /dev/null +++ b/hw/xfree86/ddc/xf86DDC.h @@ -0,0 +1,61 @@ +/* $XFree86: xc/programs/Xserver/hw/xfree86/ddc/xf86DDC.h,v 1.11 2003/02/17 16:08:27 dawes Exp $ */ + +/* 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; + +extern xf86MonPtr xf86DoEDID_DDC1( + int scrnIndex, + void (*DDC1SetSpeed)(ScrnInfoPtr, xf86ddcSpeed), + 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 Bool xf86SetDDCproperties( + ScrnInfoPtr pScreen, + xf86MonPtr DDC +); + +extern void xf86print_vdif( + xf86vdifPtr v +); + +#endif + + |