GNU Linux-libre 4.19.286-gnu1
[releases.git] / drivers / gpu / drm / amd / display / include / ddc_service_types.h
1 /*
2  * Copyright 2012-15 Advanced Micro Devices, 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  * Authors: AMD
23  *
24  */
25 #ifndef __DAL_DDC_SERVICE_TYPES_H__
26 #define __DAL_DDC_SERVICE_TYPES_H__
27
28 #define DP_BRANCH_DEVICE_ID_1 0x0010FA
29 #define DP_BRANCH_DEVICE_ID_2 0x0022B9
30 #define DP_BRANCH_DEVICE_ID_3 0x00001A
31 #define DP_BRANCH_DEVICE_ID_4 0x0080e1
32
33 enum ddc_result {
34         DDC_RESULT_UNKNOWN = 0,
35         DDC_RESULT_SUCESSFULL,
36         DDC_RESULT_FAILED_CHANNEL_BUSY,
37         DDC_RESULT_FAILED_TIMEOUT,
38         DDC_RESULT_FAILED_PROTOCOL_ERROR,
39         DDC_RESULT_FAILED_NACK,
40         DDC_RESULT_FAILED_INCOMPLETE,
41         DDC_RESULT_FAILED_OPERATION,
42         DDC_RESULT_FAILED_INVALID_OPERATION,
43         DDC_RESULT_FAILED_BUFFER_OVERFLOW,
44         DDC_RESULT_FAILED_HPD_DISCON
45 };
46
47 enum ddc_service_type {
48         DDC_SERVICE_TYPE_CONNECTOR,
49         DDC_SERVICE_TYPE_DISPLAY_PORT_MST,
50 };
51
52 /**
53  * display sink capability
54  */
55 struct display_sink_capability {
56         /* dongle type (DP converter, CV smart dongle) */
57         enum display_dongle_type dongle_type;
58
59         /**********************************************************
60          capabilities going INTO SINK DEVICE (stream capabilities)
61          **********************************************************/
62         /* Dongle's downstream count. */
63         uint32_t downstrm_sink_count;
64         /* Is dongle's downstream count info field (downstrm_sink_count)
65          * valid. */
66         bool downstrm_sink_count_valid;
67
68         /* Maximum additional audio delay in microsecond (us) */
69         uint32_t additional_audio_delay;
70         /* Audio latency value in microsecond (us) */
71         uint32_t audio_latency;
72         /* Interlace video latency value in microsecond (us) */
73         uint32_t video_latency_interlace;
74         /* Progressive video latency value in microsecond (us) */
75         uint32_t video_latency_progressive;
76         /* Dongle caps: Maximum pixel clock supported over dongle for HDMI */
77         uint32_t max_hdmi_pixel_clock;
78         /* Dongle caps: Maximum deep color supported over dongle for HDMI */
79         enum dc_color_depth max_hdmi_deep_color;
80
81         /************************************************************
82          capabilities going OUT OF SOURCE DEVICE (link capabilities)
83          ************************************************************/
84         /* support for Spread Spectrum(SS) */
85         bool ss_supported;
86         /* DP link settings (laneCount, linkRate, Spread) */
87         uint32_t dp_link_lane_count;
88         uint32_t dp_link_rate;
89         uint32_t dp_link_spead;
90
91         /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
92         indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
93         bool is_dp_hdmi_s3d_converter;
94         /* to check if we have queried the display capability
95          * for eDP panel already. */
96         bool is_edp_sink_cap_valid;
97
98         enum ddc_transaction_type transaction_type;
99         enum signal_type signal;
100 };
101
102 struct av_sync_data {
103         uint8_t av_granularity;/* DPCD 00023h */
104         uint8_t aud_dec_lat1;/* DPCD 00024h */
105         uint8_t aud_dec_lat2;/* DPCD 00025h */
106         uint8_t aud_pp_lat1;/* DPCD 00026h */
107         uint8_t aud_pp_lat2;/* DPCD 00027h */
108         uint8_t vid_inter_lat;/* DPCD 00028h */
109         uint8_t vid_prog_lat;/* DPCD 00029h */
110         uint8_t aud_del_ins1;/* DPCD 0002Bh */
111         uint8_t aud_del_ins2;/* DPCD 0002Ch */
112         uint8_t aud_del_ins3;/* DPCD 0002Dh */
113 };
114
115 /*Travis*/
116 static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT";
117 /*Nutmeg*/
118 static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA";
119 /*DP to Dual link DVI converter*/
120 static const uint8_t DP_DVI_CONVERTER_ID_4[] = "m2DVIa";
121
122 #endif /* __DAL_DDC_SERVICE_TYPES_H__ */