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
34 struct 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
68 extern const struct videomode videomode_list[];
69 extern const int videomode_count;
70
71 const struct videomode *pick_mode_by_dotclock(int, int, int);
72 const struct videomode *pick_mode_by_ref(int, int, int);
73 void sort_modes(struct videomode *, struct videomode **, int);
74
75 #endif /* _DEV_VIDEOMODE_H */
Cache object: ae53437cd834f2dbfc731cb13eb6bdae
|