diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c new file mode 100644 index 000000000000..db513abd735a --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/virtual/virtual_link_encoder.c @@ -0,0 +1,133 @@ +/* + * 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 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, + bool hdmi, + bool dual_link, + 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 signal_type signal) {} + +static void virtual_link_encoder_dp_set_lane_settings( + struct link_encoder *enc, + const struct link_training_settings *link_settings) {} + +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_edp_backlight_control( + struct link_encoder *enc, + bool enable) {} + +static void virtual_link_encoder_edp_power_control( + struct link_encoder *enc, + bool power_up) {} + +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 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, + .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, + .backlight_control = virtual_link_encoder_edp_backlight_control, + .power_control = virtual_link_encoder_edp_power_control, + .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; +} + + |