headers/private/graphics/common/validate_display_mode.h

   1 /*
   2  * Copyright 2011, Axel Dörfler, axeld@pinc-software.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _VALIDATE_DISPLAY_MODE_H
   6 #define _VALIDATE_DISPLAY_MODE_H
   7
   8
   9 #include <Accelerant.h>
  10
  11 #include "edid.h"
  12
  13 struct timing_constraints {
  14         uint16  resolution;
  15
  16         uint16  min_before_sync;
  17         uint16  max_sync_start;
  18         uint16  min_sync_length;
  19         uint16  max_sync_length;
  20         uint16  min_after_sync;
  21         uint16  max_total;
  22 };
  23
  24 struct display_constraints {
  25         uint16  min_h_display;
  26         uint16  max_h_display;
  27         uint16  min_v_display;
  28         uint16  max_v_display;
  29
  30         uint32  min_pixel_clock;
  31         uint32  max_pixel_clock;
  32
  33         timing_constraints      horizontal_timing;
  34         timing_constraints      vertical_timing;
  35 };
  36
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42
  43 bool sanitize_display_mode(display_mode& mode,
  44         const display_constraints& constraints, const edid1_info* edidInfo);
  45 bool is_display_mode_within_bounds(display_mode& mode, const display_mode& low,
  46         const display_mode& high);
  47
  48
  49 #ifdef __cplusplus
  50 }
  51 #endif
  52
  53
  54 #endif  /* _VALIDATE_DISPLAY_MODE_H */