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/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef __DC_LINK_DP_H__
#define __DC_LINK_DP_H__
#define LINK_TRAINING_ATTEMPTS 4
#define LINK_TRAINING_RETRY_DELAY 50 /* ms */
struct dc_link;
struct dc_stream_state;
struct dc_link_settings;
bool dp_hbr_verify_link_cap(
struct dc_link *link,
struct dc_link_settings *known_limit_link_setting);
bool dp_validate_mode_timing(
struct dc_link *link,
const struct dc_crtc_timing *timing);
void decide_link_settings(
struct dc_stream_state *stream,
struct dc_link_settings *link_setting);
bool perform_link_training_with_retries(
struct dc_link *link,
const struct dc_link_settings *link_setting,
bool skip_video_pattern,
int attempts);
bool is_mst_supported(struct dc_link *link);
bool detect_dp_sink_caps(struct dc_link *link);
void detect_edp_sink_caps(struct dc_link *link);
bool is_dp_active_dongle(const struct dc_link *link);
void dp_enable_mst_on_sink(struct dc_link *link, bool enable);
#endif /* __DC_LINK_DP_H__ */
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