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/*
* 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 <linux/slab.h>
#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,
enum 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 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_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;
}
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