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 
26 
27 #ifndef __DC_LINK_DP_FIXED_VS_PE_RETIMER_H__
28 #define __DC_LINK_DP_FIXED_VS_PE_RETIMER_H__
29 #include "link_dp_training.h"
30 
31 enum link_training_result dp_perform_fixed_vs_pe_training_sequence_legacy(
32 	struct dc_link *link,
33 	const struct link_resource *link_res,
34 	struct link_training_settings *lt_settings);
35 
36 enum link_training_result dp_perform_fixed_vs_pe_training_sequence(
37 	struct dc_link *link,
38 	const struct link_resource *link_res,
39 	struct link_training_settings *lt_settings);
40 
41 void dp_fixed_vs_pe_set_retimer_lane_settings(
42 	struct dc_link *link,
43 	const union dpcd_training_lane dpcd_lane_adjust[LANE_COUNT_DP_MAX],
44 	uint8_t lane_count);
45 
46 void dp_fixed_vs_pe_read_lane_adjust(
47 	struct dc_link *link,
48 	union dpcd_training_lane dpcd_lane_adjust[LANE_COUNT_DP_MAX]);
49 
50 #endif /* __DC_LINK_DP_FIXED_VS_PE_RETIMER_H__ */
51