| 1 | /* $NetBSD: edidvar.h,v 1.3 2014/11/17 00:46:04 jmcneill 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 [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 | |