1271f8ec3a
order of preference. The preferred mode is placed first. If there is no preferred mode, then the first mode with highest resolution is placed first. Other modes are then sorted on difference from the first mode by refresh rate, aspect ratio, then size.
74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/* $NetBSD: videomode.h,v 1.3 2011/04/09 18:22:31 jdc Exp $ */
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/*
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* Copyright (c) 2001, 2002 Bang Jun-Young
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_VIDEOMODE_H
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#define _DEV_VIDEOMODE_H
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struct videomode {
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int dot_clock; /* Dot clock frequency in kHz. */
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int hdisplay;
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int hsync_start;
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int hsync_end;
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int htotal;
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int vdisplay;
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int vsync_start;
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int vsync_end;
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int vtotal;
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int flags; /* Video mode flags; see below. */
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const char *name;
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};
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/*
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* Video mode flags.
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*/
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#define VID_PHSYNC 0x0001
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#define VID_NHSYNC 0x0002
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#define VID_PVSYNC 0x0004
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#define VID_NVSYNC 0x0008
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#define VID_INTERLACE 0x0010
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#define VID_DBLSCAN 0x0020
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#define VID_CSYNC 0x0040
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#define VID_PCSYNC 0x0080
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#define VID_NCSYNC 0x0100
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#define VID_HSKEW 0x0200
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#define VID_BCAST 0x0400
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#define VID_PIXMUX 0x1000
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#define VID_DBLCLK 0x2000
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#define VID_CLKDIV2 0x4000
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extern const struct videomode videomode_list[];
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extern const int videomode_count;
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const struct videomode *pick_mode_by_dotclock(int, int, int);
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const struct videomode *pick_mode_by_ref(int, int, int);
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void sort_modes(struct videomode *, struct videomode **, int);
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#endif /* _DEV_VIDEOMODE_H */
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