1/*	$NetBSD: videomode.h,v 1.2 2010/05/04 21:17:10 macallan 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
33struct 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
66extern const struct videomode videomode_list[];
67extern const int videomode_count;
68
69const struct videomode *pick_mode_by_dotclock(int, int, int);
70const struct videomode *pick_mode_by_ref(int, int, int);
71void sort_modes(struct videomode *, struct videomode **, int);
72
73#endif /* _DEV_VIDEOMODE_H */
74