1 | /* |
2 | * Copyright 2022 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_dp_trace.h" |
26 | #include "link/protocols/link_dpcd.h" |
27 | #include "link.h" |
28 | |
29 | void dp_trace_init(struct dc_link *link) |
30 | { |
31 | memset(&link->dp_trace, 0, sizeof(link->dp_trace)); |
32 | link->dp_trace.is_initialized = true; |
33 | } |
34 | |
35 | void dp_trace_reset(struct dc_link *link) |
36 | { |
37 | memset(&link->dp_trace, 0, sizeof(link->dp_trace)); |
38 | } |
39 | |
40 | bool dp_trace_is_initialized(struct dc_link *link) |
41 | { |
42 | return link->dp_trace.is_initialized; |
43 | } |
44 | |
45 | void dp_trace_detect_lt_init(struct dc_link *link) |
46 | { |
47 | memset(&link->dp_trace.detect_lt_trace, 0, sizeof(link->dp_trace.detect_lt_trace)); |
48 | } |
49 | |
50 | void dp_trace_commit_lt_init(struct dc_link *link) |
51 | { |
52 | memset(&link->dp_trace.commit_lt_trace, 0, sizeof(link->dp_trace.commit_lt_trace)); |
53 | } |
54 | |
55 | void dp_trace_link_loss_increment(struct dc_link *link) |
56 | { |
57 | link->dp_trace.link_loss_count++; |
58 | } |
59 | |
60 | void dp_trace_lt_fail_count_update(struct dc_link *link, |
61 | unsigned int fail_count, |
62 | bool in_detection) |
63 | { |
64 | if (in_detection) |
65 | link->dp_trace.detect_lt_trace.counts.fail = fail_count; |
66 | else |
67 | link->dp_trace.commit_lt_trace.counts.fail = fail_count; |
68 | } |
69 | |
70 | void dp_trace_lt_total_count_increment(struct dc_link *link, |
71 | bool in_detection) |
72 | { |
73 | if (in_detection) |
74 | link->dp_trace.detect_lt_trace.counts.total++; |
75 | else |
76 | link->dp_trace.commit_lt_trace.counts.total++; |
77 | } |
78 | |
79 | void dp_trace_set_is_logged_flag(struct dc_link *link, |
80 | bool in_detection, |
81 | bool is_logged) |
82 | { |
83 | if (in_detection) |
84 | link->dp_trace.detect_lt_trace.is_logged = is_logged; |
85 | else |
86 | link->dp_trace.commit_lt_trace.is_logged = is_logged; |
87 | } |
88 | |
89 | bool dp_trace_is_logged(struct dc_link *link, bool in_detection) |
90 | { |
91 | if (in_detection) |
92 | return link->dp_trace.detect_lt_trace.is_logged; |
93 | else |
94 | return link->dp_trace.commit_lt_trace.is_logged; |
95 | } |
96 | |
97 | void dp_trace_lt_result_update(struct dc_link *link, |
98 | enum link_training_result result, |
99 | bool in_detection) |
100 | { |
101 | if (in_detection) |
102 | link->dp_trace.detect_lt_trace.result = result; |
103 | else |
104 | link->dp_trace.commit_lt_trace.result = result; |
105 | } |
106 | |
107 | void dp_trace_set_lt_start_timestamp(struct dc_link *link, |
108 | bool in_detection) |
109 | { |
110 | if (in_detection) |
111 | link->dp_trace.detect_lt_trace.timestamps.start = dm_get_timestamp(ctx: link->dc->ctx); |
112 | else |
113 | link->dp_trace.commit_lt_trace.timestamps.start = dm_get_timestamp(ctx: link->dc->ctx); |
114 | } |
115 | |
116 | void dp_trace_set_lt_end_timestamp(struct dc_link *link, |
117 | bool in_detection) |
118 | { |
119 | if (in_detection) |
120 | link->dp_trace.detect_lt_trace.timestamps.end = dm_get_timestamp(ctx: link->dc->ctx); |
121 | else |
122 | link->dp_trace.commit_lt_trace.timestamps.end = dm_get_timestamp(ctx: link->dc->ctx); |
123 | } |
124 | |
125 | unsigned long long dp_trace_get_lt_end_timestamp(struct dc_link *link, |
126 | bool in_detection) |
127 | { |
128 | if (in_detection) |
129 | return link->dp_trace.detect_lt_trace.timestamps.end; |
130 | else |
131 | return link->dp_trace.commit_lt_trace.timestamps.end; |
132 | } |
133 | |
134 | const struct dp_trace_lt_counts *dp_trace_get_lt_counts(struct dc_link *link, |
135 | bool in_detection) |
136 | { |
137 | if (in_detection) |
138 | return &link->dp_trace.detect_lt_trace.counts; |
139 | else |
140 | return &link->dp_trace.commit_lt_trace.counts; |
141 | } |
142 | |
143 | unsigned int dp_trace_get_link_loss_count(struct dc_link *link) |
144 | { |
145 | return link->dp_trace.link_loss_count; |
146 | } |
147 | |
148 | void dp_trace_set_edp_power_timestamp(struct dc_link *link, |
149 | bool power_up) |
150 | { |
151 | if (!power_up) |
152 | /*save driver power off time stamp*/ |
153 | link->dp_trace.edp_trace_power_timestamps.poweroff = dm_get_timestamp(ctx: link->dc->ctx); |
154 | else |
155 | link->dp_trace.edp_trace_power_timestamps.poweron = dm_get_timestamp(ctx: link->dc->ctx); |
156 | } |
157 | |
158 | uint64_t dp_trace_get_edp_poweron_timestamp(struct dc_link *link) |
159 | { |
160 | return link->dp_trace.edp_trace_power_timestamps.poweron; |
161 | } |
162 | |
163 | uint64_t dp_trace_get_edp_poweroff_timestamp(struct dc_link *link) |
164 | { |
165 | return link->dp_trace.edp_trace_power_timestamps.poweroff; |
166 | } |
167 | |
168 | void dp_trace_source_sequence(struct dc_link *link, uint8_t dp_test_mode) |
169 | { |
170 | if (link != NULL && link->dc->debug.enable_driver_sequence_debug) |
171 | core_link_write_dpcd(link, DP_SOURCE_SEQUENCE, |
172 | data: &dp_test_mode, size: sizeof(dp_test_mode)); |
173 | } |
174 | |