1 /* 2 * Copyright 2012-15 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 #include "dm_services.h" 27 #include "dm_services_types.h" 28 29 #include "virtual_link_encoder.h" 30 31 static bool virtual_link_encoder_validate_output_with_stream( 32 struct link_encoder *enc, 33 const struct dc_stream_state *stream) { return true; } 34 35 static void virtual_link_encoder_hw_init(struct link_encoder *enc) {} 36 37 static void virtual_link_encoder_setup( 38 struct link_encoder *enc, 39 enum signal_type signal) {} 40 41 static void virtual_link_encoder_enable_tmds_output( 42 struct link_encoder *enc, 43 enum clock_source_id clock_source, 44 enum dc_color_depth color_depth, 45 enum signal_type signal, 46 uint32_t pixel_clock) {} 47 48 static void virtual_link_encoder_enable_dp_output( 49 struct link_encoder *enc, 50 const struct dc_link_settings *link_settings, 51 enum clock_source_id clock_source) {} 52 53 static void virtual_link_encoder_enable_dp_mst_output( 54 struct link_encoder *enc, 55 const struct dc_link_settings *link_settings, 56 enum clock_source_id clock_source) {} 57 58 static void virtual_link_encoder_disable_output( 59 struct link_encoder *link_enc, 60 enum signal_type signal) {} 61 62 static void virtual_link_encoder_dp_set_lane_settings( 63 struct link_encoder *enc, 64 const struct link_training_settings *link_settings) {} 65 66 static void virtual_link_encoder_dp_set_phy_pattern( 67 struct link_encoder *enc, 68 const struct encoder_set_dp_phy_pattern_param *param) {} 69 70 static void virtual_link_encoder_update_mst_stream_allocation_table( 71 struct link_encoder *enc, 72 const struct link_mst_stream_allocation_table *table) {} 73 74 static void virtual_link_encoder_connect_dig_be_to_fe( 75 struct link_encoder *enc, 76 enum engine_id engine, 77 bool connect) {} 78 79 static void virtual_link_encoder_destroy(struct link_encoder **enc) 80 { 81 kfree(*enc); 82 *enc = NULL; 83 } 84 85 86 static const struct link_encoder_funcs virtual_lnk_enc_funcs = { 87 .validate_output_with_stream = 88 virtual_link_encoder_validate_output_with_stream, 89 .hw_init = virtual_link_encoder_hw_init, 90 .setup = virtual_link_encoder_setup, 91 .enable_tmds_output = virtual_link_encoder_enable_tmds_output, 92 .enable_dp_output = virtual_link_encoder_enable_dp_output, 93 .enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output, 94 .disable_output = virtual_link_encoder_disable_output, 95 .dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings, 96 .dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern, 97 .update_mst_stream_allocation_table = 98 virtual_link_encoder_update_mst_stream_allocation_table, 99 .connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe, 100 .destroy = virtual_link_encoder_destroy 101 }; 102 103 bool virtual_link_encoder_construct( 104 struct link_encoder *enc, const struct encoder_init_data *init_data) 105 { 106 enc->funcs = &virtual_lnk_enc_funcs; 107 enc->ctx = init_data->ctx; 108 enc->id = init_data->encoder; 109 110 enc->hpd_source = init_data->hpd_source; 111 enc->connector = init_data->connector; 112 113 enc->transmitter = init_data->transmitter; 114 115 enc->output_signals = SIGNAL_TYPE_VIRTUAL; 116 117 enc->preferred_engine = ENGINE_ID_VIRTUAL; 118 119 return true; 120 } 121 122 123