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      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 */
     74