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