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 struct gpio *get_hpd_gpio(struct dc_bios *dcb, 30 struct graphics_object_id link_id, 31 struct gpio_service *gpio_service); 32 33 void dp_enable_link_phy( 34 struct dc_link *link, 35 enum signal_type signal, 36 enum clock_source_id clock_source, 37 const struct dc_link_settings *link_settings); 38 39 void dp_receiver_power_ctrl(struct dc_link *link, bool on); 40 void edp_add_delay_for_T9(struct dc_link *link); 41 bool edp_receiver_ready_T9(struct dc_link *link); 42 bool edp_receiver_ready_T7(struct dc_link *link); 43 44 void dp_disable_link_phy(struct dc_link *link, enum signal_type signal); 45 46 void dp_disable_link_phy_mst(struct dc_link *link, enum signal_type signal); 47 48 bool dp_set_hw_training_pattern( 49 struct dc_link *link, 50 enum dc_dp_training_pattern pattern, 51 uint32_t offset); 52 53 void dp_set_hw_lane_settings( 54 struct dc_link *link, 55 const struct link_training_settings *link_settings, 56 uint32_t offset); 57 58 void dp_set_hw_test_pattern( 59 struct dc_link *link, 60 enum dp_test_pattern test_pattern, 61 uint8_t *custom_pattern, 62 uint32_t custom_pattern_size); 63 64 void dp_retrain_link_dp_test(struct dc_link *link, 65 struct dc_link_settings *link_setting, 66 bool skip_video_pattern); 67 68 #endif /* __DC_LINK_HWSS_H__ */ 69