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96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/* $NetBSD: edidvar.h,v 1.2 2006/05/11 19:05:41 gdamore Exp $ */
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/*-
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* Copyright (c) 2006 Itronix Inc.
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* All rights reserved.
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*
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* Written by Garrett D'Amore for Itronix Inc.
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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 Itronix Inc. may not be used to endorse
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* or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_VIDEOMODE_EDIDVAR_H
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#define _DEV_VIDEOMODE_EDIDVAR_H
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struct edid_chroma {
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uint16_t ec_redx;
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uint16_t ec_redy;
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uint16_t ec_greenx;
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uint16_t ec_greeny;
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uint16_t ec_bluex;
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uint16_t ec_bluey;
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uint16_t ec_whitex;
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uint16_t ec_whitey;
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};
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struct edid_range {
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uint16_t er_min_vfreq; /* Hz */
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uint16_t er_max_vfreq; /* Hz */
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uint16_t er_min_hfreq; /* kHz */
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uint16_t er_max_hfreq; /* kHz */
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uint16_t er_max_clock; /* MHz */
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int er_have_gtf2;
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uint16_t er_gtf2_hfreq;
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uint16_t er_gtf2_c;
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uint16_t er_gtf2_m;
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uint16_t er_gtf2_k;
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uint16_t er_gtf2_j;
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};
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struct edid_info {
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uint8_t edid_vendor[4];
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char edid_vendorname[16];
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char edid_productname[16];
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char edid_comment[16];
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char edid_serial[16];
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uint16_t edid_product;
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uint8_t edid_version;
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uint8_t edid_revision;
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int edid_year;
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int edid_week;
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uint8_t edid_video_input; /* see edidregs.h */
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uint8_t edid_max_hsize; /* in cm */
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uint8_t edid_max_vsize; /* in cm */
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uint8_t edid_gamma;
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uint8_t edid_features;
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uint8_t edid_ext_block_count;
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int edid_have_range;
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struct edid_range edid_range;
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struct edid_chroma edid_chroma;
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/* parsed modes */
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struct videomode *edid_preferred_mode;
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int edid_nmodes;
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struct videomode edid_modes[64];
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};
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int edid_is_valid(uint8_t *);
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int edid_parse(uint8_t *, struct edid_info *);
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void edid_print(struct edid_info *);
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#endif /* _DEV_VIDEOMODE_EDIDVAR_H */
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