1/*
2 * Copyright 2023 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_DETECTION_H__
27#define __DC_LINK_DETECTION_H__
28#include "link.h"
29bool link_detect(struct dc_link *link, enum dc_detect_reason reason);
30bool link_detect_connection_type(struct dc_link *link,
31 enum dc_connection_type *type);
32struct dc_sink *link_add_remote_sink(
33 struct dc_link *link,
34 const uint8_t *edid,
35 int len,
36 struct dc_sink_init_data *init_data);
37void link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink);
38bool link_reset_cur_dp_mst_topology(struct dc_link *link);
39const struct dc_link_status *link_get_status(const struct dc_link *link);
40bool link_is_hdcp14(struct dc_link *link, enum signal_type signal);
41bool link_is_hdcp22(struct dc_link *link, enum signal_type signal);
42void link_clear_dprx_states(struct dc_link *link);
43#endif /* __DC_LINK_DETECTION_H__ */
44

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