1 files changed, 398 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
new file mode 100644
index 000000000000..539c3e0a6292
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -0,0 +1,398 @@
+/*
+ * 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 "dc.h"
+#include "core_types.h"
+#include "resource.h"
+#include "ipp.h"
+#include "timing_generator.h"
+
+/*******************************************************************************
+ * Private functions
+ ******************************************************************************/
+#define TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST 297000
+static void update_stream_signal(struct dc_stream_state *stream)
+{
+
+	struct dc_sink *dc_sink = stream->sink;
+
+	if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
+		stream->signal = stream->sink->link->connector_signal;
+	else
+		stream->signal = dc_sink->sink_signal;
+
+	if (dc_is_dvi_signal(stream->signal)) {
+		if (stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK_IN_KHZ_UPMOST &&
+			stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
+			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
+		else
+			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
+	}
+}
+
+static void construct(struct dc_stream_state *stream,
+	struct dc_sink *dc_sink_data)
+{
+	uint32_t i = 0;
+
+	stream->sink = dc_sink_data;
+	stream->ctx = stream->sink->ctx;
+
+	dc_sink_retain(dc_sink_data);
+
+	/* 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;
+
+	stream->status.link = stream->sink->link;
+
+	update_stream_signal(stream);
+}
+
+static void destruct(struct dc_stream_state *stream)
+{
+	dc_sink_release(stream->sink);
+	if (stream->out_transfer_func != NULL) {
+		dc_transfer_func_release(
+				stream->out_transfer_func);
+		stream->out_transfer_func = NULL;
+	}
+}
+
+void dc_stream_retain(struct dc_stream_state *stream)
+{
+	kref_get(&stream->refcount);
+}
+
+static void dc_stream_free(struct kref *kref)
+{
+	struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
+
+	destruct(stream);
+	kfree(stream);
+}
+
+void dc_stream_release(struct dc_stream_state *stream)
+{
+	if (stream != NULL) {
+		kref_put(&stream->refcount, dc_stream_free);
+	}
+}
+
+struct dc_stream_state *dc_create_stream_for_sink(
+		struct dc_sink *sink)
+{
+	struct dc_stream_state *stream;
+
+	if (sink == NULL)
+		return NULL;
+
+	stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
+	if (stream == NULL)
+		return NULL;
+
+	construct(stream, sink);
+
+	kref_init(&stream->refcount);
+
+	return stream;
+}
+
+struct dc_stream_status *dc_stream_get_status(
+	struct dc_stream_state *stream)
+{
+	uint8_t i;
+	struct dc  *dc = stream->ctx->dc;
+
+	for (i = 0; i < dc->current_state->stream_count; i++) {
+		if (stream == dc->current_state->streams[i])
+			return &dc->current_state->stream_status[i];
+	}
+
+	return NULL;
+}
+
+/**
+ * Update the cursor attributes and set cursor surface address
+ */
+bool dc_stream_set_cursor_attributes(
+	struct dc_stream_state *stream,
+	const struct dc_cursor_attributes *attributes)
+{
+	int i;
+	struct dc  *core_dc;
+	struct resource_context *res_ctx;
+
+	if (NULL == stream) {
+		dm_error("DC: dc_stream is NULL!\n");
+		return false;
+	}
+	if (NULL == attributes) {
+		dm_error("DC: attributes is NULL!\n");
+		return false;
+	}
+
+	if (attributes->address.quad_part == 0) {
+		dm_output_to_console("DC: Cursor address is 0!\n");
+		return false;
+	}
+
+	core_dc = stream->ctx->dc;
+	res_ctx = &core_dc->current_state->res_ctx;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
+
+		if (pipe_ctx->stream != stream || (!pipe_ctx->plane_res.xfm &&
+		    !pipe_ctx->plane_res.dpp) || !pipe_ctx->plane_res.ipp)
+			continue;
+		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
+			continue;
+
+
+		if (pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes != NULL)
+			pipe_ctx->plane_res.ipp->funcs->ipp_cursor_set_attributes(
+						pipe_ctx->plane_res.ipp, attributes);
+
+		if (pipe_ctx->plane_res.hubp != NULL &&
+				pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes != NULL)
+			pipe_ctx->plane_res.hubp->funcs->set_cursor_attributes(
+					pipe_ctx->plane_res.hubp, attributes);
+
+		if (pipe_ctx->plane_res.mi != NULL &&
+				pipe_ctx->plane_res.mi->funcs->set_cursor_attributes != NULL)
+			pipe_ctx->plane_res.mi->funcs->set_cursor_attributes(
+					pipe_ctx->plane_res.mi, attributes);
+
+
+		if (pipe_ctx->plane_res.xfm != NULL &&
+				pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes != NULL)
+			pipe_ctx->plane_res.xfm->funcs->set_cursor_attributes(
+				pipe_ctx->plane_res.xfm, attributes);
+
+		if (pipe_ctx->plane_res.dpp != NULL &&
+				pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes != NULL)
+			pipe_ctx->plane_res.dpp->funcs->set_cursor_attributes(
+				pipe_ctx->plane_res.dpp, attributes->color_format);
+	}
+
+	stream->cursor_attributes = *attributes;
+
+	return true;
+}
+
+bool dc_stream_set_cursor_position(
+	struct dc_stream_state *stream,
+	const struct dc_cursor_position *position)
+{
+	int i;
+	struct dc  *core_dc;
+	struct resource_context *res_ctx;
+
+	if (NULL == stream) {
+		dm_error("DC: dc_stream is NULL!\n");
+		return false;
+	}
+
+	if (NULL == position) {
+		dm_error("DC: cursor position is NULL!\n");
+		return false;
+	}
+
+	core_dc = stream->ctx->dc;
+	res_ctx = &core_dc->current_state->res_ctx;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
+		struct input_pixel_processor *ipp = pipe_ctx->plane_res.ipp;
+		struct mem_input *mi = pipe_ctx->plane_res.mi;
+		struct hubp *hubp = pipe_ctx->plane_res.hubp;
+		struct dpp *dpp = pipe_ctx->plane_res.dpp;
+		struct dc_cursor_position pos_cpy = *position;
+		struct dc_cursor_mi_param param = {
+			.pixel_clk_khz = stream->timing.pix_clk_khz,
+			.ref_clk_khz = core_dc->res_pool->ref_clock_inKhz,
+			.viewport_x_start = pipe_ctx->plane_res.scl_data.viewport.x,
+			.viewport_width = pipe_ctx->plane_res.scl_data.viewport.width,
+			.h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz
+		};
+
+		if (pipe_ctx->stream != stream ||
+				(!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
+				!pipe_ctx->plane_state ||
+				(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
+				!pipe_ctx->plane_res.ipp)
+			continue;
+
+		if (pipe_ctx->plane_state->address.type
+				== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
+			pos_cpy.enable = false;
+
+		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
+			pos_cpy.enable = false;
+
+
+		if (ipp != NULL && ipp->funcs->ipp_cursor_set_position != NULL)
+			ipp->funcs->ipp_cursor_set_position(ipp, &pos_cpy, &param);
+
+		if (mi != NULL && mi->funcs->set_cursor_position != NULL)
+			mi->funcs->set_cursor_position(mi, &pos_cpy, &param);
+
+		if (!hubp)
+			continue;
+
+		if (hubp->funcs->set_cursor_position != NULL)
+			hubp->funcs->set_cursor_position(hubp, &pos_cpy, &param);
+
+		if (dpp != NULL && dpp->funcs->set_cursor_position != NULL)
+			dpp->funcs->set_cursor_position(dpp, &pos_cpy, &param, hubp->curs_attr.width);
+
+	}
+
+	stream->cursor_position = *position;
+
+	return true;
+}
+
+uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
+{
+	uint8_t i;
+	struct dc  *core_dc = stream->ctx->dc;
+	struct resource_context *res_ctx =
+		&core_dc->current_state->res_ctx;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
+
+		if (res_ctx->pipe_ctx[i].stream != stream)
+			continue;
+
+		return tg->funcs->get_frame_count(tg);
+	}
+
+	return 0;
+}
+
+bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
+				  uint32_t *v_blank_start,
+				  uint32_t *v_blank_end,
+				  uint32_t *h_position,
+				  uint32_t *v_position)
+{
+	uint8_t i;
+	bool ret = false;
+	struct dc  *core_dc = stream->ctx->dc;
+	struct resource_context *res_ctx =
+		&core_dc->current_state->res_ctx;
+
+	for (i = 0; i < MAX_PIPES; i++) {
+		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
+
+		if (res_ctx->pipe_ctx[i].stream != stream)
+			continue;
+
+		tg->funcs->get_scanoutpos(tg,
+					  v_blank_start,
+					  v_blank_end,
+					  h_position,
+					  v_position);
+
+		ret = true;
+		break;
+	}
+
+	return ret;
+}
+
+
+void dc_stream_log(
+	const struct dc_stream_state *stream,
+	struct dal_logger *dm_logger,
+	enum dc_log_type log_type)
+{
+
+	dm_logger_write(dm_logger,
+			log_type,
+			"core_stream 0x%x: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
+			stream,
+			stream->src.x,
+			stream->src.y,
+			stream->src.width,
+			stream->src.height,
+			stream->dst.x,
+			stream->dst.y,
+			stream->dst.width,
+			stream->dst.height,
+			stream->output_color_space);
+	dm_logger_write(dm_logger,
+			log_type,
+			"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
+			stream->timing.pix_clk_khz,
+			stream->timing.h_total,
+			stream->timing.v_total,
+			stream->timing.pixel_encoding,
+			stream->timing.display_color_depth);
+	dm_logger_write(dm_logger,
+			log_type,
+			"\tsink name: %s, serial: %d\n",
+			stream->sink->edid_caps.display_name,
+			stream->sink->edid_caps.serial_number);
+	dm_logger_write(dm_logger,
+			log_type,
+			"\tlink: %d\n",
+			stream->sink->link->link_index);
+}