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Makefile.ediddevs
(551 B)
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Makefile.videomode
(577 B)
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devlist2h.awk
(4.98 KB)
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edid.c
(18.1 KB)
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ediddevs
(3.31 KB)
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ediddevs.h
(3.47 KB)
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ediddevs_data.h
(3.32 KB)
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edidreg.h
(10.81 KB)
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edidvar.h
(2.95 KB)
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modelines
(7.3 KB)
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modelines2c.awk
(4.15 KB)
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pickmode.c
(5.83 KB)
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test.c
(528 B)
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vesagtf.c
(22.45 KB)
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vesagtf.h
(3.37 KB)
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videomode.c
(6.63 KB)
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videomode.h
(2.52 KB)
Editing: vesagtf.h
/* $NetBSD$ */ /* $FreeBSD$ */ /*- * Copyright (c) 2006 Itronix Inc. * All rights reserved. * * Written by Garrett D'Amore for Itronix Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of Itronix Inc. may not be used to endorse * or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _DEV_VIDEOMODE_VESAGTF_H #define _DEV_VIDEOMODE_VESAGTF_H /* * Use VESA GTF formula to generate a monitor mode, given resolution and * refresh rates. */ struct vesagtf_params { unsigned margin_ppt; /* vertical margin size, percent * 10 * think parts-per-thousand */ unsigned min_porch; /* minimum front porch */ unsigned vsync_rqd; /* width of vsync in lines */ unsigned hsync_pct; /* hsync as % of total width */ unsigned min_vsbp; /* minimum vsync + back porch (usec) */ unsigned M; /* blanking formula gradient */ unsigned C; /* blanking formula offset */ unsigned K; /* blanking formula scaling factor */ unsigned J; /* blanking formula scaling factor */ }; /* * Default values to use for params. */ #define VESAGTF_MARGIN_PPT 18 /* 1.8% */ #define VESAGTF_MIN_PORCH 1 /* minimum front porch */ #define VESAGTF_VSYNC_RQD 3 /* vsync width in lines */ #define VESAGTF_HSYNC_PCT 8 /* width of hsync % of total line */ #define VESAGTF_MIN_VSBP 550 /* min vsync + back porch (usec) */ #define VESAGTF_M 600 /* blanking formula gradient */ #define VESAGTF_C 40 /* blanking formula offset */ #define VESAGTF_K 128 /* blanking formula scaling factor */ #define VESAGTF_J 20 /* blanking formula scaling factor */ /* * Use VESA GTF formula to generate monitor timings. Assumes default * GTF parameters, non-interlaced, and no margins. */ void vesagtf_mode(unsigned x, unsigned y, unsigned refresh, struct videomode *); /* * A more complete version, in case we ever want to use alternate GTF * parameters. EDID 1.3 allows for "secondary GTF parameters". */ void vesagtf_mode_params(unsigned x, unsigned y, unsigned refresh, struct vesagtf_params *, int flags, struct videomode *); #define VESAGTF_FLAG_ILACE 0x0001 /* use interlace */ #define VESAGTF_FLAG_MARGINS 0x0002 /* use margins */ #endif /* _DEV_VIDEOMODE_VESAGTF_H */
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