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 | |