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