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