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1/*2 * Copyright 2012-15 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *24 */25 26#include "dm_services.h"27#include "dm_services_types.h"28 29#include "virtual_link_encoder.h"30 31static bool virtual_link_encoder_validate_output_with_stream(32 struct link_encoder *enc,33 const struct dc_stream_state *stream) { return true; }34 35static void virtual_link_encoder_hw_init(struct link_encoder *enc) {}36 37static void virtual_link_encoder_setup(38 struct link_encoder *enc,39 enum signal_type signal) {}40 41static 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 48static 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 53static 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 58static void virtual_link_encoder_disable_output(59 struct link_encoder *link_enc,60 enum signal_type signal) {}61 62static void virtual_link_encoder_dp_set_lane_settings(63 struct link_encoder *enc,64 const struct dc_link_settings *link_settings,65 const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) {}66 67static void virtual_link_encoder_dp_set_phy_pattern(68 struct link_encoder *enc,69 const struct encoder_set_dp_phy_pattern_param *param) {}70 71static void virtual_link_encoder_update_mst_stream_allocation_table(72 struct link_encoder *enc,73 const struct link_mst_stream_allocation_table *table) {}74 75static void virtual_link_encoder_connect_dig_be_to_fe(76 struct link_encoder *enc,77 enum engine_id engine,78 bool connect) {}79 80static void virtual_link_encoder_destroy(struct link_encoder **enc)81{82 kfree(*enc);83 *enc = NULL;84}85 86static void virtual_link_encoder_get_max_link_cap(struct link_encoder *enc,87 struct dc_link_settings *link_settings)88{89 /* Set Default link settings */90 struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH,91 LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0};92 *link_settings = max_link_cap;93}94 95static const struct link_encoder_funcs virtual_lnk_enc_funcs = {96 .validate_output_with_stream =97 virtual_link_encoder_validate_output_with_stream,98 .hw_init = virtual_link_encoder_hw_init,99 .setup = virtual_link_encoder_setup,100 .enable_tmds_output = virtual_link_encoder_enable_tmds_output,101 .enable_dp_output = virtual_link_encoder_enable_dp_output,102 .enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output,103 .disable_output = virtual_link_encoder_disable_output,104 .get_max_link_cap = virtual_link_encoder_get_max_link_cap,105 .dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings,106 .dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern,107 .update_mst_stream_allocation_table =108 virtual_link_encoder_update_mst_stream_allocation_table,109 .connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe,110 .destroy = virtual_link_encoder_destroy111};112 113bool virtual_link_encoder_construct(114 struct link_encoder *enc, const struct encoder_init_data *init_data)115{116 enc->funcs = &virtual_lnk_enc_funcs;117 enc->ctx = init_data->ctx;118 enc->id = init_data->encoder;119 120 enc->hpd_source = init_data->hpd_source;121 enc->connector = init_data->connector;122 123 enc->transmitter = init_data->transmitter;124 125 enc->output_signals = SIGNAL_TYPE_VIRTUAL;126 127 enc->preferred_engine = ENGINE_ID_VIRTUAL;128 129 return true;130}131 132 133