1 /*
2 * Copyright 2023 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 #include "link_hwss_dio.h"
26 #include "link_hwss_dio_fixed_vs_pe_retimer.h"
27 #include "link_enc_cfg.h"
28
dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(struct dc_link * link)29 uint8_t dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(struct dc_link *link)
30 {
31 // TODO: Get USB-C cable orientation
32 if (link->cur_link_settings.lane_count == LANE_COUNT_FOUR)
33 return 0xF2;
34 else
35 return 0x12;
36 }
37
dp_dio_fixed_vs_pe_retimer_exit_manual_automation(struct dc_link * link)38 void dp_dio_fixed_vs_pe_retimer_exit_manual_automation(struct dc_link *link)
39 {
40 const uint8_t dp_type = dp_dio_fixed_vs_pe_retimer_lane_cfg_to_hw_cfg(link);
41 const uint8_t vendor_lttpr_exit_manual_automation_0[4] = {0x1, 0x11, 0x0, 0x06};
42 const uint8_t vendor_lttpr_exit_manual_automation_1[4] = {0x1, 0x50, dp_type, 0x0};
43 const uint8_t vendor_lttpr_exit_manual_automation_2[4] = {0x1, 0x50, 0x50, 0x0};
44 const uint8_t vendor_lttpr_exit_manual_automation_3[4] = {0x1, 0x51, 0x50, 0x0};
45 const uint8_t vendor_lttpr_exit_manual_automation_4[4] = {0x1, 0x10, 0x58, 0x0};
46 const uint8_t vendor_lttpr_exit_manual_automation_5[4] = {0x1, 0x10, 0x59, 0x0};
47 const uint8_t vendor_lttpr_exit_manual_automation_6[4] = {0x1, 0x30, 0x51, 0x0};
48 const uint8_t vendor_lttpr_exit_manual_automation_7[4] = {0x1, 0x30, 0x52, 0x0};
49 const uint8_t vendor_lttpr_exit_manual_automation_8[4] = {0x1, 0x30, 0x54, 0x0};
50 const uint8_t vendor_lttpr_exit_manual_automation_9[4] = {0x1, 0x30, 0x55, 0x0};
51
52 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
53 &vendor_lttpr_exit_manual_automation_0[0], sizeof(vendor_lttpr_exit_manual_automation_0));
54 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
55 &vendor_lttpr_exit_manual_automation_1[0], sizeof(vendor_lttpr_exit_manual_automation_1));
56 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
57 &vendor_lttpr_exit_manual_automation_2[0], sizeof(vendor_lttpr_exit_manual_automation_2));
58 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
59 &vendor_lttpr_exit_manual_automation_3[0], sizeof(vendor_lttpr_exit_manual_automation_3));
60 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
61 &vendor_lttpr_exit_manual_automation_4[0], sizeof(vendor_lttpr_exit_manual_automation_4));
62 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
63 &vendor_lttpr_exit_manual_automation_5[0], sizeof(vendor_lttpr_exit_manual_automation_5));
64 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
65 &vendor_lttpr_exit_manual_automation_6[0], sizeof(vendor_lttpr_exit_manual_automation_6));
66 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
67 &vendor_lttpr_exit_manual_automation_7[0], sizeof(vendor_lttpr_exit_manual_automation_7));
68 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
69 &vendor_lttpr_exit_manual_automation_8[0], sizeof(vendor_lttpr_exit_manual_automation_8));
70 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
71 &vendor_lttpr_exit_manual_automation_9[0], sizeof(vendor_lttpr_exit_manual_automation_9));
72 }
73
set_dio_fixed_vs_pe_retimer_dp_link_test_pattern_override(struct dc_link * link,const struct link_resource * link_res,struct encoder_set_dp_phy_pattern_param * tp_params,const struct link_hwss * link_hwss)74 static bool set_dio_fixed_vs_pe_retimer_dp_link_test_pattern_override(struct dc_link *link,
75 const struct link_resource *link_res, struct encoder_set_dp_phy_pattern_param *tp_params,
76 const struct link_hwss *link_hwss)
77 {
78 struct encoder_set_dp_phy_pattern_param hw_tp_params = { 0 };
79 const uint8_t pltpat_custom[10] = {0x1F, 0x7C, 0xF0, 0xC1, 0x07, 0x1F, 0x7C, 0xF0, 0xC1, 0x07};
80 const uint8_t vendor_lttpr_write_data_pg0[4] = {0x1, 0x11, 0x0, 0x0};
81 const uint8_t vendor_lttpr_exit_manual_automation_0[4] = {0x1, 0x11, 0x0, 0x06};
82
83
84 if (tp_params == NULL)
85 return false;
86
87 if (link->current_test_pattern >= DP_TEST_PATTERN_SQUARE_BEGIN &&
88 link->current_test_pattern <= DP_TEST_PATTERN_SQUARE_END) {
89 // Deprogram overrides from previous test pattern
90 dp_dio_fixed_vs_pe_retimer_exit_manual_automation(link);
91 }
92
93 switch (tp_params->dp_phy_pattern) {
94 case DP_TEST_PATTERN_80BIT_CUSTOM:
95 if (tp_params->custom_pattern_size == 0 || memcmp(tp_params->custom_pattern,
96 pltpat_custom, tp_params->custom_pattern_size) != 0)
97 return false;
98 break;
99 case DP_TEST_PATTERN_D102:
100 break;
101 default:
102 if (link->current_test_pattern == DP_TEST_PATTERN_80BIT_CUSTOM ||
103 link->current_test_pattern == DP_TEST_PATTERN_D102)
104 // Deprogram overrides from previous test pattern
105 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
106 &vendor_lttpr_exit_manual_automation_0[0],
107 sizeof(vendor_lttpr_exit_manual_automation_0));
108
109 return false;
110 }
111
112 hw_tp_params.dp_phy_pattern = tp_params->dp_phy_pattern;
113 hw_tp_params.dp_panel_mode = tp_params->dp_panel_mode;
114
115 if (link_hwss->ext.set_dp_link_test_pattern)
116 link_hwss->ext.set_dp_link_test_pattern(link, link_res, &hw_tp_params);
117
118 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
119 &vendor_lttpr_write_data_pg0[0], sizeof(vendor_lttpr_write_data_pg0));
120
121 return true;
122 }
123
set_dio_fixed_vs_pe_retimer_dp_link_test_pattern(struct dc_link * link,const struct link_resource * link_res,struct encoder_set_dp_phy_pattern_param * tp_params)124 static void set_dio_fixed_vs_pe_retimer_dp_link_test_pattern(struct dc_link *link,
125 const struct link_resource *link_res,
126 struct encoder_set_dp_phy_pattern_param *tp_params)
127 {
128 struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
129
130 if (!set_dio_fixed_vs_pe_retimer_dp_link_test_pattern_override(
131 link, link_res, tp_params, get_dio_link_hwss())) {
132 link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params);
133 }
134 link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
135 }
136
enable_dio_fixed_vs_pe_retimer_program_4lane_output(struct dc_link * link)137 void enable_dio_fixed_vs_pe_retimer_program_4lane_output(struct dc_link *link)
138 {
139 const uint8_t vendor_lttpr_write_data_4lane_1[4] = {0x1, 0x6E, 0xF2, 0x19};
140 const uint8_t vendor_lttpr_write_data_4lane_2[4] = {0x1, 0x6B, 0xF2, 0x01};
141 const uint8_t vendor_lttpr_write_data_4lane_3[4] = {0x1, 0x6D, 0xF2, 0x18};
142 const uint8_t vendor_lttpr_write_data_4lane_4[4] = {0x1, 0x6C, 0xF2, 0x03};
143 const uint8_t vendor_lttpr_write_data_4lane_5[4] = {0x1, 0x03, 0xF3, 0x06};
144
145 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
146 &vendor_lttpr_write_data_4lane_1[0], sizeof(vendor_lttpr_write_data_4lane_1));
147 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
148 &vendor_lttpr_write_data_4lane_2[0], sizeof(vendor_lttpr_write_data_4lane_2));
149 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
150 &vendor_lttpr_write_data_4lane_3[0], sizeof(vendor_lttpr_write_data_4lane_3));
151 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
152 &vendor_lttpr_write_data_4lane_4[0], sizeof(vendor_lttpr_write_data_4lane_4));
153 link->dc->link_srv->configure_fixed_vs_pe_retimer(link->ddc,
154 &vendor_lttpr_write_data_4lane_5[0], sizeof(vendor_lttpr_write_data_4lane_5));
155 }
156
enable_dio_fixed_vs_pe_retimer_dp_link_output(struct dc_link * link,const struct link_resource * link_res,enum signal_type signal,enum clock_source_id clock_source,const struct dc_link_settings * link_settings)157 static void enable_dio_fixed_vs_pe_retimer_dp_link_output(struct dc_link *link,
158 const struct link_resource *link_res,
159 enum signal_type signal,
160 enum clock_source_id clock_source,
161 const struct dc_link_settings *link_settings)
162 {
163 if (link_settings->lane_count == LANE_COUNT_FOUR)
164 enable_dio_fixed_vs_pe_retimer_program_4lane_output(link);
165
166 enable_dio_dp_link_output(link, link_res, signal, clock_source, link_settings);
167 }
168
169 static const struct link_hwss dio_fixed_vs_pe_retimer_link_hwss = {
170 .setup_stream_encoder = setup_dio_stream_encoder,
171 .reset_stream_encoder = reset_dio_stream_encoder,
172 .setup_stream_attribute = setup_dio_stream_attribute,
173 .disable_link_output = disable_dio_link_output,
174 .setup_audio_output = setup_dio_audio_output,
175 .enable_audio_packet = enable_dio_audio_packet,
176 .disable_audio_packet = disable_dio_audio_packet,
177 .ext = {
178 .set_throttled_vcp_size = set_dio_throttled_vcp_size,
179 .enable_dp_link_output = enable_dio_fixed_vs_pe_retimer_dp_link_output,
180 .set_dp_link_test_pattern = set_dio_fixed_vs_pe_retimer_dp_link_test_pattern,
181 .set_dp_lane_settings = set_dio_dp_lane_settings,
182 .update_stream_allocation_table = update_dio_stream_allocation_table,
183 },
184 };
185
requires_fixed_vs_pe_retimer_dio_link_hwss(const struct dc_link * link)186 bool requires_fixed_vs_pe_retimer_dio_link_hwss(const struct dc_link *link)
187 {
188 if (!(link->chip_caps & EXT_DISPLAY_PATH_CAPS__DP_FIXED_VS_EN))
189 return false;
190
191 if (!link->dpcd_caps.lttpr_caps.main_link_channel_coding.bits.DP_128b_132b_SUPPORTED)
192 return false;
193
194 return true;
195 }
196
get_dio_fixed_vs_pe_retimer_link_hwss(void)197 const struct link_hwss *get_dio_fixed_vs_pe_retimer_link_hwss(void)
198 {
199 return &dio_fixed_vs_pe_retimer_link_hwss;
200 }
201