1/*	$NetBSD: videomode.h,v 1.2 2010/05/04 21:17:10 macallan Exp $	*/
2/*	$FreeBSD$	*/
3
4/*
5 * Copyright (c) 2001, 2002 Bang Jun-Young
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef _DEV_VIDEOMODE_H
32#define _DEV_VIDEOMODE_H
33
34struct videomode {
35	int dot_clock;		/* Dot clock frequency in kHz. */
36	int hdisplay;
37	int hsync_start;
38	int hsync_end;
39	int htotal;
40	int vdisplay;
41	int vsync_start;
42	int vsync_end;
43	int vtotal;
44	int flags;		/* Video mode flags; see below. */
45	const char *name;
46	int hskew;
47};
48
49/*
50 * Video mode flags.
51 */
52
53#define VID_PHSYNC	0x0001
54#define VID_NHSYNC	0x0002
55#define VID_PVSYNC	0x0004
56#define VID_NVSYNC	0x0008
57#define VID_INTERLACE	0x0010
58#define VID_DBLSCAN	0x0020
59#define VID_CSYNC	0x0040
60#define VID_PCSYNC	0x0080
61#define VID_NCSYNC	0x0100
62#define VID_HSKEW	0x0200
63#define VID_BCAST	0x0400
64#define VID_PIXMUX	0x1000
65#define VID_DBLCLK	0x2000
66#define VID_CLKDIV2	0x4000
67
68extern const struct videomode videomode_list[];
69extern const int videomode_count;
70
71const struct videomode *pick_mode_by_dotclock(int, int, int);
72const struct videomode *pick_mode_by_ref(int, int, int);
73void sort_modes(struct videomode *, struct videomode **, int);
74
75#endif /* _DEV_VIDEOMODE_H */
76