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 #ifndef __DC_LINK_DP_PHY_H__
27 #define __DC_LINK_DP_PHY_H__
28 
29 #include "link.h"
30 void dp_enable_link_phy(
31 	struct dc_link *link,
32 	const struct link_resource *link_res,
33 	enum signal_type signal,
34 	enum clock_source_id clock_source,
35 	const struct dc_link_settings *link_settings);
36 
37 void dp_disable_link_phy(struct dc_link *link,
38 		const struct link_resource *link_res,
39 		enum signal_type signal);
40 
41 void dp_set_hw_lane_settings(
42 		struct dc_link *link,
43 		const struct link_resource *link_res,
44 		const struct link_training_settings *link_settings,
45 		uint32_t offset);
46 
47 void dp_set_drive_settings(
48 	struct dc_link *link,
49 	const struct link_resource *link_res,
50 	struct link_training_settings *lt_settings);
51 
52 enum dc_status dp_set_fec_ready(struct dc_link *link,
53 		const struct link_resource *link_res, bool ready);
54 
55 void dp_set_fec_enable(struct dc_link *link, bool enable);
56 
57 void dpcd_write_rx_power_ctrl(struct dc_link *link, bool on);
58 
59 #endif /* __DC_LINK_DP_PHY_H__ */
60