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