diff options
Diffstat (limited to 'xorg-server/hw/xfree86/ddc/xf86DDC.h')
-rw-r--r-- | xorg-server/hw/xfree86/ddc/xf86DDC.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/ddc/xf86DDC.h b/xorg-server/hw/xfree86/ddc/xf86DDC.h new file mode 100644 index 000000000..3b072dda7 --- /dev/null +++ b/xorg-server/hw/xfree86/ddc/xf86DDC.h @@ -0,0 +1,58 @@ + +/* 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 void +xf86DDCMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC); + +extern Bool xf86SetDDCproperties( + ScrnInfoPtr pScreen, + xf86MonPtr DDC +); + +DisplayModePtr xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC); + +#endif + + |