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 */ 76