xserver/hw/xfree86/ddc/xf86DDC_priv.h

54 lines
1.9 KiB
C

/* SPDX-License-Identifier: MIT OR X11
*
* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
* Copyright © 1998 by Egbert Eich <Egbert.Eich@Physik.TU-Darmstadt.DE>
*/
#ifndef _XSERVER_XF86_DDC_PRIV_H
#define _XSERVER_XF86_DDC_PRIV_H
#include "xf86DDC.h"
/*
* 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 /* _XSERVER_XF86_DDC_PRIV_H */