2 * Copyright 2015 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #ifndef __DC_LINK_HWSS_H__
27 #define __DC_LINK_HWSS_H__
29 #include "inc/core_status.h"
31 enum dc_status core_link_read_dpcd(
37 enum dc_status core_link_write_dpcd(
43 struct gpio *get_hpd_gpio(struct dc_bios *dcb,
44 struct graphics_object_id link_id,
45 struct gpio_service *gpio_service);
47 void dp_enable_link_phy(
49 enum signal_type signal,
50 enum clock_source_id clock_source,
51 const struct dc_link_settings *link_settings);
53 void dp_receiver_power_ctrl(struct dc_link *link, bool on);
54 bool edp_receiver_ready_T9(struct dc_link *link);
55 bool edp_receiver_ready_T7(struct dc_link *link);
57 void dp_disable_link_phy(struct dc_link *link, enum signal_type signal);
59 void dp_disable_link_phy_mst(struct dc_link *link, enum signal_type signal);
61 bool dp_set_hw_training_pattern(
63 enum hw_dp_training_pattern pattern);
65 void dp_set_hw_lane_settings(
67 const struct link_training_settings *link_settings);
69 void dp_set_hw_test_pattern(
71 enum dp_test_pattern test_pattern,
72 uint8_t *custom_pattern,
73 uint32_t custom_pattern_size);
75 enum dp_panel_mode dp_get_panel_mode(struct dc_link *link);
77 void dp_retrain_link_dp_test(struct dc_link *link,
78 struct dc_link_settings *link_setting,
79 bool skip_video_pattern);
81 #endif /* __DC_LINK_HWSS_H__ */