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 "link_enc_cfg.h"
28 
29 void set_dio_throttled_vcp_size(struct pipe_ctx *pipe_ctx,
30 		struct fixed31_32 throttled_vcp_size)
31 {
32 	struct stream_encoder *stream_encoder = pipe_ctx->stream_res.stream_enc;
33 
34 	stream_encoder->funcs->set_throttled_vcp_size(
35 				stream_encoder,
36 				throttled_vcp_size);
37 }
38 
39 void setup_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
40 {
41 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
42 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
43 
44 	link_enc->funcs->connect_dig_be_to_fe(link_enc,
45 			pipe_ctx->stream_res.stream_enc->id, true);
46 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
47 		pipe_ctx->stream->ctx->dc->link_srv->dp_trace_source_sequence(pipe_ctx->stream->link,
48 				DPCD_SOURCE_SEQ_AFTER_CONNECT_DIG_FE_BE);
49 	if (stream_enc->funcs->enable_fifo)
50 		stream_enc->funcs->enable_fifo(stream_enc);
51 }
52 
53 void reset_dio_stream_encoder(struct pipe_ctx *pipe_ctx)
54 {
55 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(pipe_ctx->stream->link);
56 	struct stream_encoder *stream_enc = pipe_ctx->stream_res.stream_enc;
57 
58 	if (stream_enc && stream_enc->funcs->disable_fifo)
59 		stream_enc->funcs->disable_fifo(stream_enc);
60 
61 	link_enc->funcs->connect_dig_be_to_fe(
62 			link_enc,
63 			pipe_ctx->stream_res.stream_enc->id,
64 			false);
65 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
66 		pipe_ctx->stream->ctx->dc->link_srv->dp_trace_source_sequence(
67 				pipe_ctx->stream->link,
68 				DPCD_SOURCE_SEQ_AFTER_DISCONNECT_DIG_FE_BE);
69 
70 }
71 
72 void 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 		link->dc->link_srv->dp_trace_source_sequence(link,
110 				DPCD_SOURCE_SEQ_AFTER_DP_STREAM_ATTR);
111 }
112 
113 void enable_dio_dp_link_output(struct dc_link *link,
114 		const struct link_resource *link_res,
115 		enum signal_type signal,
116 		enum clock_source_id clock_source,
117 		const struct dc_link_settings *link_settings)
118 {
119 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
120 
121 	if (dc_is_dp_sst_signal(signal))
122 		link_enc->funcs->enable_dp_output(
123 				link_enc,
124 				link_settings,
125 				clock_source);
126 	else
127 		link_enc->funcs->enable_dp_mst_output(
128 				link_enc,
129 				link_settings,
130 				clock_source);
131 	link->dc->link_srv->dp_trace_source_sequence(link,
132 			DPCD_SOURCE_SEQ_AFTER_ENABLE_LINK_PHY);
133 }
134 
135 void disable_dio_link_output(struct dc_link *link,
136 		const struct link_resource *link_res,
137 		enum signal_type signal)
138 {
139 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
140 
141 	link_enc->funcs->disable_output(link_enc, signal);
142 	link->dc->link_srv->dp_trace_source_sequence(link,
143 			DPCD_SOURCE_SEQ_AFTER_DISABLE_LINK_PHY);
144 }
145 
146 void set_dio_dp_link_test_pattern(struct dc_link *link,
147 		const struct link_resource *link_res,
148 		struct encoder_set_dp_phy_pattern_param *tp_params)
149 {
150 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
151 
152 	link_enc->funcs->dp_set_phy_pattern(link_enc, tp_params);
153 	link->dc->link_srv->dp_trace_source_sequence(link, DPCD_SOURCE_SEQ_AFTER_SET_SOURCE_PATTERN);
154 }
155 
156 void set_dio_dp_lane_settings(struct dc_link *link,
157 		const struct link_resource *link_res,
158 		const struct dc_link_settings *link_settings,
159 		const struct dc_lane_settings lane_settings[LANE_COUNT_DP_MAX])
160 {
161 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
162 
163 	link_enc->funcs->dp_set_lane_settings(link_enc, link_settings, lane_settings);
164 }
165 
166 static void update_dio_stream_allocation_table(struct dc_link *link,
167 		const struct link_resource *link_res,
168 		const struct link_mst_stream_allocation_table *table)
169 {
170 	struct link_encoder *link_enc = link_enc_cfg_get_link_enc(link);
171 
172 	ASSERT(link_enc);
173 	link_enc->funcs->update_mst_stream_allocation_table(link_enc, table);
174 }
175 
176 void setup_dio_audio_output(struct pipe_ctx *pipe_ctx,
177 		struct audio_output *audio_output, uint32_t audio_inst)
178 {
179 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
180 		pipe_ctx->stream_res.stream_enc->funcs->dp_audio_setup(
181 				pipe_ctx->stream_res.stream_enc,
182 				audio_inst,
183 				&pipe_ctx->stream->audio_info);
184 	else
185 		pipe_ctx->stream_res.stream_enc->funcs->hdmi_audio_setup(
186 				pipe_ctx->stream_res.stream_enc,
187 				audio_inst,
188 				&pipe_ctx->stream->audio_info,
189 				&audio_output->crtc_info);
190 }
191 
192 void enable_dio_audio_packet(struct pipe_ctx *pipe_ctx)
193 {
194 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
195 		pipe_ctx->stream_res.stream_enc->funcs->dp_audio_enable(
196 				pipe_ctx->stream_res.stream_enc);
197 
198 	pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
199 			pipe_ctx->stream_res.stream_enc, false);
200 
201 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
202 		pipe_ctx->stream->ctx->dc->link_srv->dp_trace_source_sequence(
203 				pipe_ctx->stream->link,
204 				DPCD_SOURCE_SEQ_AFTER_ENABLE_AUDIO_STREAM);
205 }
206 
207 void disable_dio_audio_packet(struct pipe_ctx *pipe_ctx)
208 {
209 	pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
210 			pipe_ctx->stream_res.stream_enc, true);
211 
212 	if (pipe_ctx->stream_res.audio) {
213 		if (dc_is_dp_signal(pipe_ctx->stream->signal))
214 			pipe_ctx->stream_res.stream_enc->funcs->dp_audio_disable(
215 					pipe_ctx->stream_res.stream_enc);
216 		else
217 			pipe_ctx->stream_res.stream_enc->funcs->hdmi_audio_disable(
218 					pipe_ctx->stream_res.stream_enc);
219 	}
220 
221 	if (dc_is_dp_signal(pipe_ctx->stream->signal))
222 		pipe_ctx->stream->ctx->dc->link_srv->dp_trace_source_sequence(
223 				pipe_ctx->stream->link,
224 				DPCD_SOURCE_SEQ_AFTER_DISABLE_AUDIO_STREAM);
225 }
226 
227 static const struct link_hwss dio_link_hwss = {
228 	.setup_stream_encoder = setup_dio_stream_encoder,
229 	.reset_stream_encoder = reset_dio_stream_encoder,
230 	.setup_stream_attribute = setup_dio_stream_attribute,
231 	.disable_link_output = disable_dio_link_output,
232 	.setup_audio_output = setup_dio_audio_output,
233 	.enable_audio_packet = enable_dio_audio_packet,
234 	.disable_audio_packet = disable_dio_audio_packet,
235 	.ext = {
236 		.set_throttled_vcp_size = set_dio_throttled_vcp_size,
237 		.enable_dp_link_output = enable_dio_dp_link_output,
238 		.set_dp_link_test_pattern = set_dio_dp_link_test_pattern,
239 		.set_dp_lane_settings = set_dio_dp_lane_settings,
240 		.update_stream_allocation_table = update_dio_stream_allocation_table,
241 	},
242 };
243 
244 bool can_use_dio_link_hwss(const struct dc_link *link,
245 		const struct link_resource *link_res)
246 {
247 	return link->link_enc != NULL;
248 }
249 
250 const struct link_hwss *get_dio_link_hwss(void)
251 {
252 	return &dio_link_hwss;
253 }
254