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/*
* Copyright 2022 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_CAPABILITY_H__
#define __DC_LINK_DP_CAPABILITY_H__
#include "link.h"
bool detect_dp_sink_caps(struct dc_link *link);
void detect_edp_sink_caps(struct dc_link *link);
struct dc_link_settings dp_get_max_link_cap(struct dc_link *link);
enum dc_status dp_retrieve_lttpr_cap(struct dc_link *link);
/* Convert PHY repeater count read from DPCD uint8_t. */
uint8_t dp_parse_lttpr_repeater_count(uint8_t lttpr_repeater_count);
bool dp_is_lttpr_present(struct dc_link *link);
bool is_dp_active_dongle(const struct dc_link *link);
bool is_dp_branch_device(const struct dc_link *link);
bool decide_edp_link_settings_with_dsc(struct dc_link *link,
struct dc_link_settings *link_setting,
uint32_t req_bw,
enum dc_link_rate max_link_rate);
void dpcd_set_source_specific_data(struct dc_link *link);
/*query dpcd for version and mst cap addresses*/
bool read_is_mst_supported(struct dc_link *link);
bool decide_fallback_link_setting(
struct dc_link *link,
struct dc_link_settings *max,
struct dc_link_settings *cur,
enum link_training_result training_result);
#endif /* __DC_LINK_DP_CAPABILITY_H__ */
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