diff options
Diffstat (limited to 'target_arm64/usr/include/xorg/xf86DDC.h')
-rw-r--r-- | target_arm64/usr/include/xorg/xf86DDC.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/target_arm64/usr/include/xorg/xf86DDC.h b/target_arm64/usr/include/xorg/xf86DDC.h new file mode 100644 index 0000000..de8e718 --- /dev/null +++ b/target_arm64/usr/include/xorg/xf86DDC.h @@ -0,0 +1,103 @@ + +/* 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(ScrnInfoPtr pScrn, + DDC1SetSpeedProc DDC1SetSpeed, + unsigned + int (*DDC1Read) (ScrnInfoPtr) + ); + +extern _X_EXPORT xf86MonPtr xf86DoEDID_DDC2(ScrnInfoPtr pScrn, I2CBusPtr pBus); + +extern _X_EXPORT xf86MonPtr xf86DoEEDID(ScrnInfoPtr pScrn, 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 Bool + xf86MonitorIsHDMI(xf86MonPtr mon); + +extern _X_EXPORT xf86MonPtr xf86DoDisplayID(ScrnInfoPtr pScrn, 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[]; + +/* + * Quirks to work around broken EDID data from various monitors. + */ +typedef enum { + DDC_QUIRK_NONE = 0, + /* First detailed mode is bogus, prefer largest mode at 60hz */ + DDC_QUIRK_PREFER_LARGE_60 = 1 << 0, + /* 135MHz clock is too high, drop a bit */ + DDC_QUIRK_135_CLOCK_TOO_HIGH = 1 << 1, + /* Prefer the largest mode at 75 Hz */ + DDC_QUIRK_PREFER_LARGE_75 = 1 << 2, + /* Convert detailed timing's horizontal from units of cm to mm */ + DDC_QUIRK_DETAILED_H_IN_CM = 1 << 3, + /* Convert detailed timing's vertical from units of cm to mm */ + DDC_QUIRK_DETAILED_V_IN_CM = 1 << 4, + /* Detailed timing descriptors have bogus size values, so just take the + * maximum size and use that. + */ + DDC_QUIRK_DETAILED_USE_MAXIMUM_SIZE = 1 << 5, + /* Monitor forgot to set the first detailed is preferred bit. */ + DDC_QUIRK_FIRST_DETAILED_PREFERRED = 1 << 6, + /* use +hsync +vsync for detailed mode */ + DDC_QUIRK_DETAILED_SYNC_PP = 1 << 7, + /* Force single-link DVI bandwidth limit */ + DDC_QUIRK_DVI_SINGLE_LINK = 1 << 8, +} ddc_quirk_t; + +typedef void (*handle_detailed_fn) (struct detailed_monitor_section *, void *); + +void xf86ForEachDetailedBlock(xf86MonPtr mon, handle_detailed_fn, void *data); + +ddc_quirk_t xf86DDCDetectQuirks(int scrnIndex, xf86MonPtr DDC, Bool verbose); + +void xf86DetTimingApplyQuirks(struct detailed_monitor_section *det_mon, + ddc_quirk_t quirks, int hsize, int vsize); + +typedef void (*handle_video_fn) (struct cea_video_block *, void *); + +void xf86ForEachVideoBlock(xf86MonPtr, handle_video_fn, void *); + +struct cea_data_block *xf86MonitorFindHDMIBlock(xf86MonPtr mon); + +#endif |