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 #include "link.h" 28 29 void dp_trace_init(struct dc_link *link); 30 void dp_trace_reset(struct dc_link *link); 31 bool dp_trace_is_initialized(struct dc_link *link); 32 void dp_trace_detect_lt_init(struct dc_link *link); 33 void dp_trace_commit_lt_init(struct dc_link *link); 34 void dp_trace_link_loss_increment(struct dc_link *link); 35 void dp_trace_lt_fail_count_update(struct dc_link *link, 36 unsigned int fail_count, 37 bool in_detection); 38 void dp_trace_lt_total_count_increment(struct dc_link *link, 39 bool in_detection); 40 void dp_trace_set_is_logged_flag(struct dc_link *link, 41 bool in_detection, 42 bool is_logged); 43 bool dp_trace_is_logged(struct dc_link *link, 44 bool in_detection); 45 void dp_trace_lt_result_update(struct dc_link *link, 46 enum link_training_result result, 47 bool in_detection); 48 void dp_trace_set_lt_start_timestamp(struct dc_link *link, 49 bool in_detection); 50 void dp_trace_set_lt_end_timestamp(struct dc_link *link, 51 bool in_detection); 52 unsigned long long dp_trace_get_lt_end_timestamp(struct dc_link *link, 53 bool in_detection); 54 const struct dp_trace_lt_counts *dp_trace_get_lt_counts(struct dc_link *link, 55 bool in_detection); 56 unsigned int dp_trace_get_link_loss_count(struct dc_link *link); 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 void dp_trace_source_sequence(struct dc_link *link, uint8_t dp_test_mode); 62 63 #endif /* __LINK_DP_TRACE_H__ */ 64