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 #ifndef __LINK_DP_TRACE_H__
26 #define __LINK_DP_TRACE_H__
27 
28 void dp_trace_init(struct dc_link *link);
29 void dp_trace_reset(struct dc_link *link);
30 bool dc_dp_trace_is_initialized(struct dc_link *link);
31 void dp_trace_detect_lt_init(struct dc_link *link);
32 void dp_trace_commit_lt_init(struct dc_link *link);
33 void dp_trace_link_loss_increment(struct dc_link *link);
34 void dp_trace_lt_fail_count_update(struct dc_link *link,
35 		unsigned int fail_count,
36 		bool in_detection);
37 void dp_trace_lt_total_count_increment(struct dc_link *link,
38 		bool in_detection);
39 void dc_dp_trace_set_is_logged_flag(struct dc_link *link,
40 		bool in_detection,
41 		bool is_logged);
42 bool dc_dp_trace_is_logged(struct dc_link *link,
43 		bool in_detection);
44 void dp_trace_lt_result_update(struct dc_link *link,
45 		enum link_training_result result,
46 		bool in_detection);
47 void dp_trace_set_lt_start_timestamp(struct dc_link *link,
48 		bool in_detection);
49 void dp_trace_set_lt_end_timestamp(struct dc_link *link,
50 		bool in_detection);
51 unsigned long long dc_dp_trace_get_lt_end_timestamp(struct dc_link *link,
52 		bool in_detection);
53 struct dp_trace_lt_counts *dc_dp_trace_get_lt_counts(struct dc_link *link,
54 		bool in_detection);
55 unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link);
56 
57 void dp_trace_set_edp_power_timestamp(struct dc_link *link,
58 		bool power_up);
59 uint64_t dp_trace_get_edp_poweron_timestamp(struct dc_link *link);
60 uint64_t dp_trace_get_edp_poweroff_timestamp(struct dc_link *link);
61 
62 #endif /* __LINK_DP_TRACE_H__ */
63