edidvar.h

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    1 /*      $NetBSD: edidvar.h,v 1.2 2006/05/11 19:05:41 gdamore Exp $      */
    2 /*      $FreeBSD$       */
    3 
    4 /*-
    5  * Copyright (c) 2006 Itronix Inc.
    6  * All rights reserved.
    7  *
    8  * Written by Garrett D'Amore for Itronix Inc.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. The name of Itronix Inc. may not be used to endorse
   19  *    or promote products derived from this software without specific
   20  *    prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND ANY EXPRESS
   23  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   24  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
   26  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
   28  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   30  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   31  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   33  */ 
   34 
   35 #ifndef _DEV_VIDEOMODE_EDIDVAR_H
   36 #define _DEV_VIDEOMODE_EDIDVAR_H
   37 
   38 struct edid_chroma {
   39         uint16_t        ec_redx;
   40         uint16_t        ec_redy;
   41         uint16_t        ec_greenx;
   42         uint16_t        ec_greeny;
   43         uint16_t        ec_bluex;
   44         uint16_t        ec_bluey;
   45         uint16_t        ec_whitex;
   46         uint16_t        ec_whitey;
   47 };
   48 
   49 struct edid_range {
   50         uint16_t        er_min_vfreq;   /* Hz */
   51         uint16_t        er_max_vfreq;   /* Hz */
   52         uint16_t        er_min_hfreq;   /* kHz */
   53         uint16_t        er_max_hfreq;   /* kHz */
   54         uint16_t        er_max_clock;   /* MHz */
   55         int             er_have_gtf2;
   56         uint16_t        er_gtf2_hfreq;
   57         uint16_t        er_gtf2_c;
   58         uint16_t        er_gtf2_m;
   59         uint16_t        er_gtf2_k;
   60         uint16_t        er_gtf2_j;
   61 };
   62 
   63 struct edid_info {
   64         uint8_t         edid_vendor[4];
   65         char            edid_vendorname[16];
   66         char            edid_productname[16];
   67         char            edid_comment[16];
   68         char            edid_serial[16];
   69         uint16_t        edid_product;
   70         uint8_t         edid_version;
   71         uint8_t         edid_revision;
   72         int             edid_year;
   73         int             edid_week;
   74         uint8_t         edid_video_input;       /* see edidregs.h */
   75         uint8_t         edid_max_hsize;         /* in cm */
   76         uint8_t         edid_max_vsize;         /* in cm */
   77         uint8_t         edid_gamma;
   78         uint8_t         edid_features;
   79         uint8_t         edid_ext_block_count;
   80 
   81         int                     edid_have_range;
   82         struct edid_range       edid_range;
   83 
   84         struct edid_chroma      edid_chroma;
   85 
   86         /* parsed modes */
   87         struct videomode        *edid_preferred_mode;
   88         int                     edid_nmodes;
   89         struct videomode        edid_modes[64];
   90 };
   91 
   92 int edid_is_valid(uint8_t *);
   93 int edid_parse(uint8_t *, struct edid_info *);
   94 void edid_print(struct edid_info *);
   95 
   96 #endif /* _DEV_VIDEOMODE_EDIDVAR_H */

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FreeBSD/Linux Kernel Cross Reference sys/dev/videomode/edidvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/videomode/edidvar.h