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  1/*
  2 * Copyright 2022 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 * Authors: AMD
 23 *
 24 */
 25#include "link_hwss_dio.h"
 26#include "core_types.h"
 27#include "dc_link_dp.h"
 28#include "link_enc_cfg.h"
 29
 30void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
 31		struct fixed31_32 throttled_vcp_size)
 32{
 33	struct stream_encoder *stream_encoder = pipe_ctx->stream_res.stream_enc;
 34
 35	stream_encoder->funcs->set_throttled_vcp_size(
 36				stream_encoder,
 37				throttled_vcp_size);
 38}
 39
 40void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 41{
 42	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
 43	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 44
 45	link_enc->funcs->connect_dig_be_to_fe(link_enc,
 46			pipe_ctx->stream_res.stream_enc->id, true);
 47	if (dc_is_dp_signal(pipe_ctx->stream->signal))
 48		dp_source_sequence_trace(pipe_ctx->stream->link,
 49				DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE);
 50	if (stream_enc->funcs->enable_fifo)
 51		stream_enc->funcs->enable_fifo(stream_enc);
 52}
 53
 54void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
 55{
 56	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
 57	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
 58
 59	if (stream_enc && stream_enc->funcs->disable_fifo)
 60		stream_enc->funcs->disable_fifo(stream_enc);
 61
 62	link_enc->funcs->connect_dig_be_to_fe(
 63			link_enc,
 64			pipe_ctx->stream_res.stream_enc->id,
 65			false);
 66	if (dc_is_dp_signal(pipe_ctx->stream->signal))
 67		dp_source_sequence_trace(pipe_ctx->stream->link,
 68				DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE);
 69
 70}
 71
 72void setup_dio_stream_attribute(struct pipe_ctx *pipe_ctx)
 73{
 74	struct stream_encoder *stream_encoder = pipe_ctx->stream_res.stream_enc;
 75	struct dc_stream_state *stream = pipe_ctx->stream;
 76	struct dc_link *link = stream->link;
 77
 78	if (!dc_is_virtual_signal(stream->signal))
 79		stream_encoder->funcs->setup_stereo_sync(
 80				stream_encoder,
 81				pipe_ctx->stream_res.tg->inst,
 82				stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE);
 83
 84	if (dc_is_dp_signal(stream->signal))
 85		stream_encoder->funcs->dp_set_stream_attribute(
 86				stream_encoder,
 87				&stream->timing,
 88				stream->output_color_space,
 89				stream->use_vsc_sdp_for_colorimetry,
 90				link->dpcd_caps.dprx_feature.bits.SST_SPLIT_SDP_CAP);
 91	else if (dc_is_hdmi_tmds_signal(stream->signal))
 92		stream_encoder->funcs->hdmi_set_stream_attribute(
 93				stream_encoder,
 94				&stream->timing,
 95				stream->phy_pix_clk,
 96				pipe_ctx->stream_res.audio != NULL);
 97	else if (dc_is_dvi_signal(stream->signal))
 98		stream_encoder->funcs->dvi_set_stream_attribute(
 99				stream_encoder,
100				&stream->timing,
101				(stream->signal == SIGNAL_TYPE_DVI_DUAL_LINK) ?
102						true : false);
103	else if (dc_is_lvds_signal(stream->signal))
104		stream_encoder->funcs->lvds_set_stream_attribute(
105				stream_encoder,
106				&stream->timing);
107
108	if (dc_is_dp_signal(stream->signal))
109		dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
110}
111
112void enable_dio_dp_link_output(struct dc_link *link,
113		const struct link_resource *link_res,
114		enum signal_type signal,
115		enum clock_source_id clock_source,
116		const struct dc_link_settings *link_settings)
117{
118	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
119
120	if (dc_is_dp_sst_signal(signal))
121		link_enc->funcs->enable_dp_output(
122				link_enc,
123				link_settings,
124				clock_source);
125	else
126		link_enc->funcs->enable_dp_mst_output(
127				link_enc,
128				link_settings,
129				clock_source);
130	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY);
131}
132
133void disable_dio_link_output(struct dc_link *link,
134		const struct link_resource *link_res,
135		enum signal_type signal)
136{
137	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
138
139	link_enc->funcs->disable_output(link_enc, signal);
140	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
141}
142
143void set_dio_dp_link_test_pattern(struct dc_link *link,
144		const struct link_resource *link_res,
145		struct encoder_set_dp_phy_pattern_param *tp_params)
146{
147	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
148
149	link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params);
150	dp_source_sequence_trace(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
151}
152
153void set_dio_dp_lane_settings(struct dc_link *link,
154		const struct link_resource *link_res,
155		const struct dc_link_settings *link_settings,
156		const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
157{
158	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
159
160	link_enc->funcs->dp_set_lane_settings(link_enc, link_settings, lane_settings);
161}
162
163static void update_dio_stream_allocation_table(struct dc_link *link,
164		const struct link_resource *link_res,
165		const struct link_mst_stream_allocation_table *table)
166{
167	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
168
169	ASSERT(link_enc);
170	link_enc->funcs->update_mst_stream_allocation_table(link_enc, table);
171}
172
173void setup_dio_audio_output(struct pipe_ctx *pipe_ctx,
174		struct audio_output *audio_output, uint32_t audio_inst)
175{
176	if (dc_is_dp_signal(pipe_ctx->stream->signal))
177		pipe_ctx->stream_res.stream_enc->funcs->dp_audio_setup(
178				pipe_ctx->stream_res.stream_enc,
179				audio_inst,
180				&pipe_ctx->stream->audio_info);
181	else
182		pipe_ctx->stream_res.stream_enc->funcs->hdmi_audio_setup(
183				pipe_ctx->stream_res.stream_enc,
184				audio_inst,
185				&pipe_ctx->stream->audio_info,
186				&audio_output->crtc_info);
187}
188
189void enable_dio_audio_packet(struct pipe_ctx *pipe_ctx)
190{
191	if (dc_is_dp_signal(pipe_ctx->stream->signal))
192		pipe_ctx->stream_res.stream_enc->funcs->dp_audio_enable(
193				pipe_ctx->stream_res.stream_enc);
194
195	pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
196			pipe_ctx->stream_res.stream_enc, false);
197
198	if (dc_is_dp_signal(pipe_ctx->stream->signal))
199		dp_source_sequence_trace(pipe_ctx->stream->link,
200				DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM);
201}
202
203void disable_dio_audio_packet(struct pipe_ctx *pipe_ctx)
204{
205	pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
206			pipe_ctx->stream_res.stream_enc, true);
207
208	if (pipe_ctx->stream_res.audio) {
209		if (dc_is_dp_signal(pipe_ctx->stream->signal))
210			pipe_ctx->stream_res.stream_enc->funcs->dp_audio_disable(
211					pipe_ctx->stream_res.stream_enc);
212		else
213			pipe_ctx->stream_res.stream_enc->funcs->hdmi_audio_disable(
214					pipe_ctx->stream_res.stream_enc);
215	}
216
217	if (dc_is_dp_signal(pipe_ctx->stream->signal))
218		dp_source_sequence_trace(pipe_ctx->stream->link,
219				DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM);
220}
221
222static const struct link_hwss dio_link_hwss = {
223	.setup_stream_encoder = setup_dio_stream_encoder,
224	.reset_stream_encoder = reset_dio_stream_encoder,
225	.setup_stream_attribute = setup_dio_stream_attribute,
226	.disable_link_output = disable_dio_link_output,
227	.setup_audio_output = setup_dio_audio_output,
228	.enable_audio_packet = enable_dio_audio_packet,
229	.disable_audio_packet = disable_dio_audio_packet,
230	.ext = {
231		.set_throttled_vcp_size = set_dio_throttled_vcp_size,
232		.enable_dp_link_output = enable_dio_dp_link_output,
233		.set_dp_link_test_pattern = set_dio_dp_link_test_pattern,
234		.set_dp_lane_settings = set_dio_dp_lane_settings,
235		.update_stream_allocation_table = update_dio_stream_allocation_table,
236	},
237};
238
239bool can_use_dio_link_hwss(const struct dc_link *link,
240		const struct link_resource *link_res)
241{
242	return link->link_enc != NULL;
243}
244
245const struct link_hwss *get_dio_link_hwss(void)
246{
247	return &dio_link_hwss;
248}