/* * Copyright 2012-15 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #include "dm_services.h" #include "dm_services_types.h" #include "virtual_link_encoder.h" static bool virtual_link_encoder_validate_output_with_stream( struct link_encoder *enc, const struct dc_stream_state *stream) { return true; } static void virtual_link_encoder_hw_init(struct link_encoder *enc) {} static void virtual_link_encoder_setup( struct link_encoder *enc, enum amd_signal_type signal) {} static void virtual_link_encoder_enable_tmds_output( struct link_encoder *enc, enum clock_source_id clock_source, enum dc_color_depth color_depth, enum amd_signal_type signal, uint32_t pixel_clock) {} static void virtual_link_encoder_enable_dp_output( struct link_encoder *enc, const struct dc_link_settings *link_settings, enum clock_source_id clock_source) {} static void virtual_link_encoder_enable_dp_mst_output( struct link_encoder *enc, const struct dc_link_settings *link_settings, enum clock_source_id clock_source) {} static void virtual_link_encoder_disable_output( struct link_encoder *link_enc, enum amd_signal_type signal) {} static void virtual_link_encoder_dp_set_lane_settings( struct link_encoder *enc, const struct dc_link_settings *link_settings, const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX]) {} static void virtual_link_encoder_dp_set_phy_pattern( struct link_encoder *enc, const struct encoder_set_dp_phy_pattern_param *param) {} static void virtual_link_encoder_update_mst_stream_allocation_table( struct link_encoder *enc, const struct link_mst_stream_allocation_table *table) {} static void virtual_link_encoder_connect_dig_be_to_fe( struct link_encoder *enc, enum engine_id engine, bool connect) {} static void virtual_link_encoder_destroy(struct link_encoder **enc) { kfree(*enc); *enc = NULL; } static void virtual_link_encoder_get_max_link_cap(struct link_encoder *enc, struct dc_link_settings *link_settings) { /* Set Default link settings */ struct dc_link_settings max_link_cap = {LANE_COUNT_FOUR, LINK_RATE_HIGH, LINK_SPREAD_05_DOWNSPREAD_30KHZ, false, 0}; *link_settings = max_link_cap; } static const struct link_encoder_funcs virtual_lnk_enc_funcs = { .validate_output_with_stream = virtual_link_encoder_validate_output_with_stream, .hw_init = virtual_link_encoder_hw_init, .setup = virtual_link_encoder_setup, .enable_tmds_output = virtual_link_encoder_enable_tmds_output, .enable_dp_output = virtual_link_encoder_enable_dp_output, .enable_dp_mst_output = virtual_link_encoder_enable_dp_mst_output, .disable_output = virtual_link_encoder_disable_output, .get_max_link_cap = virtual_link_encoder_get_max_link_cap, .dp_set_lane_settings = virtual_link_encoder_dp_set_lane_settings, .dp_set_phy_pattern = virtual_link_encoder_dp_set_phy_pattern, .update_mst_stream_allocation_table = virtual_link_encoder_update_mst_stream_allocation_table, .connect_dig_be_to_fe = virtual_link_encoder_connect_dig_be_to_fe, .destroy = virtual_link_encoder_destroy }; bool virtual_link_encoder_construct( struct link_encoder *enc, const struct encoder_init_data *init_data) { enc->funcs = &virtual_lnk_enc_funcs; enc->ctx = init_data->ctx; enc->id = init_data->encoder; enc->hpd_source = init_data->hpd_source; enc->connector = init_data->connector; enc->transmitter = init_data->transmitter; enc->output_signals = SIGNAL_TYPE_VIRTUAL; enc->preferred_engine = ENGINE_ID_VIRTUAL; return true; }