sys/dev/videomode/videomode.h

   1 /*      $NetBSD: videomode.h,v 1.3 2011/04/09 18:22:31 jdc Exp $        */
   2
   3 /*
   4  * Copyright (c) 2001, 2002 Bang Jun-Young
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. The name of the author may not be used to endorse or promote products
  16  *    derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef _DEV_VIDEOMODE_H
  31 #define _DEV_VIDEOMODE_H
  32
  33 struct videomode {
  34         int dot_clock;          /* Dot clock frequency in kHz. */
  35         int hdisplay;
  36         int hsync_start;
  37         int hsync_end;
  38         int htotal;
  39         int vdisplay;
  40         int vsync_start;
  41         int vsync_end;
  42         int vtotal;
  43         int flags;              /* Video mode flags; see below. */
  44         const char *name;
  45 };
  46
  47 /*
  48  * Video mode flags.
  49  */
  50
  51 #define VID_PHSYNC      0x0001
  52 #define VID_NHSYNC      0x0002
  53 #define VID_PVSYNC      0x0004
  54 #define VID_NVSYNC      0x0008
  55 #define VID_INTERLACE   0x0010
  56 #define VID_DBLSCAN     0x0020
  57 #define VID_CSYNC       0x0040
  58 #define VID_PCSYNC      0x0080
  59 #define VID_NCSYNC      0x0100
  60 #define VID_HSKEW       0x0200
  61 #define VID_BCAST       0x0400
  62 #define VID_PIXMUX      0x1000
  63 #define VID_DBLCLK      0x2000
  64 #define VID_CLKDIV2     0x4000
  65
  66 extern const struct videomode videomode_list[];
  67 extern const int videomode_count;
  68
  69 const struct videomode *pick_mode_by_dotclock(int, int, int);
  70 const struct videomode *pick_mode_by_ref(int, int, int);
  71 void sort_modes(struct videomode *, struct videomode **, int);
  72
  73 #endif /* _DEV_VIDEOMODE_H */