| 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 | |