1/*
 2 * Copyright © 2014 Red Hat Inc.
 3 *
 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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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.
21 */
22#ifndef DRM_DISPLAYID_H
23#define DRM_DISPLAYID_H
24
25#define DATA_BLOCK_PRODUCT_ID 0x00
26#define DATA_BLOCK_DISPLAY_PARAMETERS 0x01
27#define DATA_BLOCK_COLOR_CHARACTERISTICS 0x02
28#define DATA_BLOCK_TYPE_1_DETAILED_TIMING 0x03
29#define DATA_BLOCK_TYPE_2_DETAILED_TIMING 0x04
30#define DATA_BLOCK_TYPE_3_SHORT_TIMING 0x05
31#define DATA_BLOCK_TYPE_4_DMT_TIMING 0x06
32#define DATA_BLOCK_VESA_TIMING 0x07
33#define DATA_BLOCK_CEA_TIMING 0x08
34#define DATA_BLOCK_VIDEO_TIMING_RANGE 0x09
35#define DATA_BLOCK_PRODUCT_SERIAL_NUMBER 0x0a
36#define DATA_BLOCK_GP_ASCII_STRING 0x0b
37#define DATA_BLOCK_DISPLAY_DEVICE_DATA 0x0c
38#define DATA_BLOCK_INTERFACE_POWER_SEQUENCING 0x0d
39#define DATA_BLOCK_TRANSFER_CHARACTERISTICS 0x0e
40#define DATA_BLOCK_DISPLAY_INTERFACE 0x0f
41#define DATA_BLOCK_STEREO_DISPLAY_INTERFACE 0x10
42#define DATA_BLOCK_TILED_DISPLAY 0x12
43
44#define DATA_BLOCK_VENDOR_SPECIFIC 0x7f
45
46#define PRODUCT_TYPE_EXTENSION 0
47#define PRODUCT_TYPE_TEST 1
48#define PRODUCT_TYPE_PANEL 2
49#define PRODUCT_TYPE_MONITOR 3
50#define PRODUCT_TYPE_TV 4
51#define PRODUCT_TYPE_REPEATER 5
52#define PRODUCT_TYPE_DIRECT_DRIVE 6
53
54struct displayid_hdr {
55	u8 rev;
56	u8 bytes;
57	u8 prod_id;
58	u8 ext_count;
59} __packed;
60
61struct displayid_block {
62	u8 tag;
63	u8 rev;
64	u8 num_bytes;
65} __packed;
66
67struct displayid_tiled_block {
68	struct displayid_block base;
69	u8 tile_cap;
70	u8 topo[3];
71	u8 tile_size[4];
72	u8 tile_pixel_bezel[5];
73	u8 topology_id[8];
74} __packed;
75
76struct displayid_detailed_timings_1 {
77	u8 pixel_clock[3];
78	u8 flags;
79	u8 hactive[2];
80	u8 hblank[2];
81	u8 hsync[2];
82	u8 hsw[2];
83	u8 vactive[2];
84	u8 vblank[2];
85	u8 vsync[2];
86	u8 vsw[2];
87} __packed;
88
89struct displayid_detailed_timing_block {
90	struct displayid_block base;
91	struct displayid_detailed_timings_1 timings[0];
92};
93#endif