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
31enum link_training_result dp_perform_fixed_vs_pe_training_sequence(
32 struct dc_link *link,
33 const struct link_resource *link_res,
34 struct link_training_settings *lt_settings);
35
36void dp_fixed_vs_pe_set_retimer_lane_settings(
37 struct dc_link *link,
38 const union dpcd_training_lane dpcd_lane_adjust[LANE_COUNT_DP_MAX],
39 uint8_t lane_count);
40
41void dp_fixed_vs_pe_read_lane_adjust(
42 struct dc_link *link,
43 union dpcd_training_lane dpcd_lane_adjust[LANE_COUNT_DP_MAX]);
44
45#endif /* __DC_LINK_DP_FIXED_VS_PE_RETIMER_H__ */
46

source code of linux/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_training_fixed_vs_pe_retimer.h