2 * Copyright © 2014 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 #ifndef DRM_DISPLAYID_H
23 #define DRM_DISPLAYID_H
25 #include <linux/types.h>
29 #define DATA_BLOCK_PRODUCT_ID 0x00
30 #define DATA_BLOCK_DISPLAY_PARAMETERS 0x01
31 #define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02
32 #define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03
33 #define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04
34 #define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05
35 #define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06
36 #define DATA_BLOCK_VESA_TIMING 0x07
37 #define DATA_BLOCK_CEA_TIMING 0x08
38 #define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09
39 #define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a
40 #define DATA_BLOCK_GP_ASCII_STRING 0x0b
41 #define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c
42 #define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d
43 #define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e
44 #define DATA_BLOCK_DISPLAY_INTERFACE 0x0f
45 #define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10
46 #define DATA_BLOCK_TILED_DISPLAY 0x12
47 #define DATA_BLOCK_CTA 0x81
49 #define DATA_BLOCK_VENDOR_SPECIFIC 0x7f
51 #define PRODUCT_TYPE_EXTENSION 0
52 #define PRODUCT_TYPE_TEST 1
53 #define PRODUCT_TYPE_PANEL 2
54 #define PRODUCT_TYPE_MONITOR 3
55 #define PRODUCT_TYPE_TV 4
56 #define PRODUCT_TYPE_REPEATER 5
57 #define PRODUCT_TYPE_DIRECT_DRIVE 6
59 struct displayid_header {
66 struct displayid_block {
72 struct displayid_tiled_block {
73 struct displayid_block base;
77 u8 tile_pixel_bezel[5];
81 struct displayid_detailed_timings_1 {
94 struct displayid_detailed_timing_block {
95 struct displayid_block base;
96 struct displayid_detailed_timings_1 timings[];
99 /* DisplayID iteration */
100 struct displayid_iter {
101 const struct edid *edid;
109 void displayid_iter_edid_begin(const struct edid *edid,
110 struct displayid_iter *iter);
111 const struct displayid_block *
112 __displayid_iter_next(struct displayid_iter *iter);
113 #define displayid_iter_for_each(__block, __iter) \
114 while (((__block) = __displayid_iter_next(__iter)))
115 void displayid_iter_end(struct displayid_iter *iter);