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 | |