path: root/drivers/gpu/drm/amd/display/dc/core/dc_stream.c

/*
 * 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 "basics/dc_common.h"
#include "dc.h"
#include "core_types.h"
#include "resource.h"
#include "ipp.h"
#include "timing_generator.h"
#include "dc_dmub_srv.h"
#include "dc_state_priv.h"
#include "dc_stream_priv.h"

#define DC_LOGGER dc->ctx->logger
#ifndef MIN
#define MIN(X, Y) ((X) < (Y) ? (X) : (Y))
#define MAX(x, y) ((x > y) ? x : y)
#endif

/*******************************************************************************
 * Private functions
 ******************************************************************************/
void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink)
{
	if (sink->sink_signal == SIGNAL_TYPE_NONE)
		stream->signal = stream->link->connector_signal;
	else
		stream->signal = sink->sink_signal;

	if (dc_is_dvi_signal(stream->signal)) {
		if (stream->ctx->dc->caps.dual_link_dvi &&
			(stream->timing.pix_clk_100hz / 10) > TMDS_MAX_PIXEL_CLOCK &&
			sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
		else
			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
	}
}

bool dc_stream_construct(struct dc_stream_state *stream,
	struct dc_sink *dc_sink_data)
{
	uint32_t i = 0;

	stream->sink = dc_sink_data;
	dc_sink_retain(dc_sink_data);

	stream->ctx = dc_sink_data->ctx;
	stream->link = dc_sink_data->link;
	stream->sink_patches = dc_sink_data->edid_caps.panel_patch;
	stream->converter_disable_audio = dc_sink_data->converter_disable_audio;
	stream->qs_bit = dc_sink_data->edid_caps.qs_bit;
	stream->qy_bit = dc_sink_data->edid_caps.qy_bit;

	/* Copy audio modes */
	/* TODO - Remove this translation */
	for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++) {
		stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count;
		stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code;
		stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate;
		stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size;
	}
	stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count;
	stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency;
	stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency;
	memmove(
		stream->audio_info.display_name,
		dc_sink_data->edid_caps.display_name,
		AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
	stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id;
	stream->audio_info.product_id = dc_sink_data->edid_caps.product_id;
	stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags;

	if (dc_sink_data->dc_container_id != NULL) {
		struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;

		stream->audio_info.port_id[0] = dc_container_id->portId[0];
		stream->audio_info.port_id[1] = dc_container_id->portId[1];
	} else {
		/* TODO - WindowDM has implemented,
		other DMs need Unhardcode port_id */
		stream->audio_info.port_id[0] = 0x5558859e;
		stream->audio_info.port_id[1] = 0xd989449;
	}

	/* EDID CAP translation for HDMI 2.0 */
	stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;

	memset(&stream->timing.dsc_cfg, 0, sizeof(stream->timing.dsc_cfg));
	stream->timing.dsc_cfg.num_slices_h = 0;
	stream->timing.dsc_cfg.num_slices_v = 0;
	str