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
26#ifndef __DAL_LINK_SERVICE_TYPES_H__
27#define __DAL_LINK_SERVICE_TYPES_H__
28
29#include "grph_object_id.h"
30#include "dal_types.h"
31#include "irq_types.h"
32
33/*struct mst_mgr_callback_object;*/
34struct ddc;
35struct irq_manager;
36
37enum dp_power_state {
38 DP_POWER_STATE_D0 = 1,
39 DP_POWER_STATE_D3
40};
41
42enum edp_revision {
43 /* eDP version 1.1 or lower */
44 EDP_REVISION_11 = 0x00,
45 /* eDP version 1.2 */
46 EDP_REVISION_12 = 0x01,
47 /* eDP version 1.3 */
48 EDP_REVISION_13 = 0x02
49};
50
51enum {
52 LINK_RATE_REF_FREQ_IN_KHZ = 27000, /*27MHz*/
53 BITS_PER_DP_BYTE = 10,
54 DATA_EFFICIENCY_8b_10b_x10000 = 8000, /* 80% data efficiency */
55 DATA_EFFICIENCY_8b_10b_FEC_EFFICIENCY_x100 = 97, /* 97% data efficiency when FEC is enabled */
56 DATA_EFFICIENCY_128b_132b_x10000 = 9641, /* 96.71% data efficiency x 99.7% downspread factor */
57};
58
59enum lttpr_mode {
60 LTTPR_MODE_UNKNOWN,
61 LTTPR_MODE_NON_LTTPR,
62 LTTPR_MODE_TRANSPARENT,
63 LTTPR_MODE_NON_TRANSPARENT,
64};
65
66struct link_training_settings {
67 struct dc_link_settings link_settings;
68
69 /* TODO: turn lane settings below into mandatory fields
70 * as initial lane configuration
71 */
72 enum dc_voltage_swing *voltage_swing;
73 enum dc_pre_emphasis *pre_emphasis;
74 enum dc_post_cursor2 *post_cursor2;
75 bool should_set_fec_ready;
76 /* TODO - factor lane_settings out because it changes during LT */
77 union dc_dp_ffe_preset *ffe_preset;
78
79 uint16_t cr_pattern_time;
80 uint16_t eq_pattern_time;
81 uint16_t cds_pattern_time;
82 enum dc_dp_training_pattern pattern_for_cr;
83 enum dc_dp_training_pattern pattern_for_eq;
84 enum dc_dp_training_pattern pattern_for_cds;
85
86 uint32_t eq_wait_time_limit;
87 uint8_t eq_loop_count_limit;
88 uint32_t cds_wait_time_limit;
89
90 bool enhanced_framing;
91 enum lttpr_mode lttpr_mode;
92
93 /* disallow different lanes to have different lane settings */
94 bool disallow_per_lane_settings;
95 /* dpcd lane settings will always use the same hw lane settings
96 * even if it doesn't match requested lane adjust */
97 bool always_match_dpcd_with_hw_lane_settings;
98
99 /*****************************************************************
100 * training states - parameters that can change in link training
101 *****************************************************************/
102 /* TODO: Move hw_lane_settings and dpcd_lane_settings
103 * along with lane adjust, lane align, offset and all
104 * other training states into a new structure called
105 * training states, so link_training_settings becomes
106 * a constant input pre-decided prior to link training.
107 *
108 * The goal is to strictly decouple link training settings
109 * decision making process from link training states to
110 * prevent it from messy code practice of changing training
111 * decision on the fly.
112 */
113 struct dc_lane_settings hw_lane_settings[LANE_COUNT_DP_MAX];
114 union dpcd_training_lane dpcd_lane_settings[LANE_COUNT_DP_MAX];
115};
116
117/*TODO: Move this enum test harness*/
118/* Test patterns*/
119enum dp_test_pattern {
120 /* Input data is pass through Scrambler
121 * and 8b10b Encoder straight to output*/
122 DP_TEST_PATTERN_VIDEO_MODE = 0,
123
124 /* phy test patterns*/
125 DP_TEST_PATTERN_PHY_PATTERN_BEGIN,
126 DP_TEST_PATTERN_D102 = DP_TEST_PATTERN_PHY_PATTERN_BEGIN,
127 DP_TEST_PATTERN_SYMBOL_ERROR,
128 DP_TEST_PATTERN_PRBS7,
129 DP_TEST_PATTERN_80BIT_CUSTOM,
130 DP_TEST_PATTERN_CP2520_1,
131 DP_TEST_PATTERN_CP2520_2,
132 DP_TEST_PATTERN_HBR2_COMPLIANCE_EYE = DP_TEST_PATTERN_CP2520_2,
133 DP_TEST_PATTERN_CP2520_3,
134 DP_TEST_PATTERN_128b_132b_TPS1,
135 DP_TEST_PATTERN_128b_132b_TPS2,
136 DP_TEST_PATTERN_PRBS9,
137 DP_TEST_PATTERN_PRBS11,
138 DP_TEST_PATTERN_PRBS15,
139 DP_TEST_PATTERN_PRBS23,
140 DP_TEST_PATTERN_PRBS31,
141 DP_TEST_PATTERN_264BIT_CUSTOM,
142 DP_TEST_PATTERN_SQUARE_BEGIN,
143 DP_TEST_PATTERN_SQUARE = DP_TEST_PATTERN_SQUARE_BEGIN,
144 DP_TEST_PATTERN_SQUARE_PRESHOOT_DISABLED,
145 DP_TEST_PATTERN_SQUARE_DEEMPHASIS_DISABLED,
146 DP_TEST_PATTERN_SQUARE_PRESHOOT_DEEMPHASIS_DISABLED,
147 DP_TEST_PATTERN_SQUARE_END = DP_TEST_PATTERN_SQUARE_PRESHOOT_DEEMPHASIS_DISABLED,
148
149 /* Link Training Patterns */
150 DP_TEST_PATTERN_TRAINING_PATTERN1,
151 DP_TEST_PATTERN_TRAINING_PATTERN2,
152 DP_TEST_PATTERN_TRAINING_PATTERN3,
153 DP_TEST_PATTERN_TRAINING_PATTERN4,
154 DP_TEST_PATTERN_128b_132b_TPS1_TRAINING_MODE,
155 DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE,
156 DP_TEST_PATTERN_PHY_PATTERN_END = DP_TEST_PATTERN_128b_132b_TPS2_TRAINING_MODE,
157
158 /* link test patterns*/
159 DP_TEST_PATTERN_COLOR_SQUARES,
160 DP_TEST_PATTERN_COLOR_SQUARES_CEA,
161 DP_TEST_PATTERN_VERTICAL_BARS,
162 DP_TEST_PATTERN_HORIZONTAL_BARS,
163 DP_TEST_PATTERN_COLOR_RAMP,
164
165 /* audio test patterns*/
166 DP_TEST_PATTERN_AUDIO_OPERATOR_DEFINED,
167 DP_TEST_PATTERN_AUDIO_SAWTOOTH,
168
169 DP_TEST_PATTERN_UNSUPPORTED
170};
171
172enum dp_test_pattern_color_space {
173 DP_TEST_PATTERN_COLOR_SPACE_RGB,
174 DP_TEST_PATTERN_COLOR_SPACE_YCBCR601,
175 DP_TEST_PATTERN_COLOR_SPACE_YCBCR709,
176 DP_TEST_PATTERN_COLOR_SPACE_UNDEFINED
177};
178
179enum dp_panel_mode {
180 /* not required */
181 DP_PANEL_MODE_DEFAULT,
182 /* standard mode for eDP */
183 DP_PANEL_MODE_EDP,
184 /* external chips specific settings */
185 DP_PANEL_MODE_SPECIAL
186};
187
188enum dpcd_source_sequence {
189 DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_OTG = 1, /*done in apply_single_controller_ctx_to_hw */
190 DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR, /*done in core_link_enable_stream */
191 DPCD_SOURCE_SEQ_AFTER_UPDATE_INFO_FRAME, /*done in core_link_enable_stream/dcn20_enable_stream */
192 DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE, /*done in perform_link_training_with_retries/dcn20_enable_stream */
193 DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY, /*done in dp_enable_link_phy */
194 DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN, /*done in dp_set_hw_test_pattern */
195 DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM, /*done in dce110_enable_audio_stream */
196 DPCD_SOURCE_SEQ_AFTER_ENABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_unblank */
197 DPCD_SOURCE_SEQ_AFTER_DISABLE_DP_VID_STREAM, /*done in enc1_stream_encoder_dp_blank */
198 DPCD_SOURCE_SEQ_AFTER_FIFO_STEER_RESET, /*done in enc1_stream_encoder_dp_blank */
199 DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM, /*done in dce110_disable_audio_stream */
200 DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY, /*done in dp_disable_link_phy */
201 DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE, /*done in dce110_disable_stream */
202};
203
204/* DPCD_ADDR_TRAINING_LANEx_SET registers value */
205union dpcd_training_lane_set {
206 struct {
207#if defined(LITTLEENDIAN_CPU)
208 uint8_t VOLTAGE_SWING_SET:2;
209 uint8_t MAX_SWING_REACHED:1;
210 uint8_t PRE_EMPHASIS_SET:2;
211 uint8_t MAX_PRE_EMPHASIS_REACHED:1;
212 /* following is reserved in DP 1.1 */
213 uint8_t POST_CURSOR2_SET:2;
214#elif defined(BIGENDIAN_CPU)
215 uint8_t POST_CURSOR2_SET:2;
216 uint8_t MAX_PRE_EMPHASIS_REACHED:1;
217 uint8_t PRE_EMPHASIS_SET:2;
218 uint8_t MAX_SWING_REACHED:1;
219 uint8_t VOLTAGE_SWING_SET:2;
220#else
221 #error ARCH not defined!
222#endif
223 } bits;
224
225 uint8_t raw;
226};
227
228
229/* AMD's copy of various payload data for MST. We have two copies of the payload table (one in DRM,
230 * one in DC) since DRM's MST helpers can't be accessed here. This stream allocation table should
231 * _ONLY_ be filled out from DM and then passed to DC, do NOT use these for _any_ kind of atomic
232 * state calculations in DM, or you will break something.
233 */
234
235struct drm_dp_mst_port;
236
237/* DP MST stream allocation (payload bandwidth number) */
238struct dc_dp_mst_stream_allocation {
239 uint8_t vcp_id;
240 /* number of slots required for the DP stream in
241 * transport packet */
242 uint8_t slot_count;
243};
244
245/* DP MST stream allocation table */
246struct dc_dp_mst_stream_allocation_table {
247 /* number of DP video streams */
248 int stream_count;
249 /* array of stream allocations */
250 struct dc_dp_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
251};
252
253#endif /*__DAL_LINK_SERVICE_TYPES_H__*/
254

source code of linux/drivers/gpu/drm/amd/display/include/link_service_types.h