1 /* 2 * Copyright 2015 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_HWSS_H__ 27 #define __DC_LINK_HWSS_H__ 28 29 #include "inc/core_status.h" 30 31 enum dc_status core_link_read_dpcd( 32 struct core_link* link, 33 uint32_t address, 34 uint8_t *data, 35 uint32_t size); 36 37 enum dc_status core_link_write_dpcd( 38 struct core_link* link, 39 uint32_t address, 40 const uint8_t *data, 41 uint32_t size); 42 43 void dp_enable_link_phy( 44 struct core_link *link, 45 enum signal_type signal, 46 enum clock_source_id clock_source, 47 const struct dc_link_settings *link_settings); 48 49 void dp_receiver_power_ctrl(struct core_link *link, bool on); 50 51 void dp_disable_link_phy(struct core_link *link, enum signal_type signal); 52 53 void dp_disable_link_phy_mst(struct core_link *link, enum signal_type signal); 54 55 bool dp_set_hw_training_pattern( 56 struct core_link *link, 57 enum hw_dp_training_pattern pattern); 58 59 void dp_set_hw_lane_settings( 60 struct core_link *link, 61 const struct link_training_settings *link_settings); 62 63 void dp_set_hw_test_pattern( 64 struct core_link *link, 65 enum dp_test_pattern test_pattern, 66 uint8_t *custom_pattern, 67 uint32_t custom_pattern_size); 68 69 enum dp_panel_mode dp_get_panel_mode(struct core_link *link); 70 71 void dp_retrain_link_dp_test(struct core_link *link, 72 struct dc_link_settings *link_setting, 73 bool skip_video_pattern); 74 75 #endif /* __DC_LINK_HWSS_H__ */ 76