xref: /dragonfly/sys/dev/drm/amd/display/dc/core/dc_stream.c (revision 655933d6)
1 /*
2  * Copyright 2012-15 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 
26 #include "dm_services.h"
27 #include "dc.h"
28 #include "core_types.h"
29 #include "resource.h"
30 #include "ipp.h"
31 #include "timing_generator.h"
32 
33 #define DC_LOGGER dc->ctx->logger
34 
35 /*******************************************************************************
36  * Private functions
37  ******************************************************************************/
38 void update_stream_signal(struct dc_stream_state *stream)
39 {
40 
41 	struct dc_sink *dc_sink = stream->sink;
42 
43 	if (dc_sink->sink_signal == SIGNAL_TYPE_NONE)
44 		stream->signal = stream->sink->link->connector_signal;
45 	else
46 		stream->signal = dc_sink->sink_signal;
47 
48 	if (dc_is_dvi_signal(stream->signal)) {
49 		if (stream->ctx->dc->caps.dual_link_dvi &&
50 		    stream->timing.pix_clk_khz > TMDS_MAX_PIXEL_CLOCK &&
51 		    stream->sink->sink_signal != SIGNAL_TYPE_DVI_SINGLE_LINK)
52 			stream->signal = SIGNAL_TYPE_DVI_DUAL_LINK;
53 		else
54 			stream->signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
55 	}
56 }
57 
58 static void construct(struct dc_stream_state *stream,
59 	struct dc_sink *dc_sink_data)
60 {
61 	uint32_t i = 0;
62 
63 	stream->sink = dc_sink_data;
64 	stream->ctx = stream->sink->ctx;
65 
66 	dc_sink_retain(dc_sink_data);
67 
68 	/* Copy audio modes */
69 	/* TODO - Remove this translation */
70 	for (i = 0; i < (dc_sink_data->edid_caps.audio_mode_count); i++)
71 	{
72 		stream->audio_info.modes[i].channel_count = dc_sink_data->edid_caps.audio_modes[i].channel_count;
73 		stream->audio_info.modes[i].format_code = dc_sink_data->edid_caps.audio_modes[i].format_code;
74 		stream->audio_info.modes[i].sample_rates.all = dc_sink_data->edid_caps.audio_modes[i].sample_rate;
75 		stream->audio_info.modes[i].sample_size = dc_sink_data->edid_caps.audio_modes[i].sample_size;
76 	}
77 	stream->audio_info.mode_count = dc_sink_data->edid_caps.audio_mode_count;
78 	stream->audio_info.audio_latency = dc_sink_data->edid_caps.audio_latency;
79 	stream->audio_info.video_latency = dc_sink_data->edid_caps.video_latency;
80 	memmove(
81 		stream->audio_info.display_name,
82 		dc_sink_data->edid_caps.display_name,
83 		AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
84 	stream->audio_info.manufacture_id = dc_sink_data->edid_caps.manufacturer_id;
85 	stream->audio_info.product_id = dc_sink_data->edid_caps.product_id;
86 	stream->audio_info.flags.all = dc_sink_data->edid_caps.speaker_flags;
87 
88 	if (dc_sink_data->dc_container_id != NULL) {
89 		struct dc_container_id *dc_container_id = dc_sink_data->dc_container_id;
90 
91 		stream->audio_info.port_id[0] = dc_container_id->portId[0];
92 		stream->audio_info.port_id[1] = dc_container_id->portId[1];
93 	} else {
94 		/* TODO - WindowDM has implemented,
95 		other DMs need Unhardcode port_id */
96 		stream->audio_info.port_id[0] = 0x5558859e;
97 		stream->audio_info.port_id[1] = 0xd989449;
98 	}
99 
100 	/* EDID CAP translation for HDMI 2.0 */
101 	stream->timing.flags.LTE_340MCSC_SCRAMBLE = dc_sink_data->edid_caps.lte_340mcsc_scramble;
102 
103 	stream->status.link = stream->sink->link;
104 
105 	update_stream_signal(stream);
106 
107 	stream->out_transfer_func = dc_create_transfer_func();
108 	stream->out_transfer_func->type = TF_TYPE_BYPASS;
109 }
110 
111 static void destruct(struct dc_stream_state *stream)
112 {
113 	dc_sink_release(stream->sink);
114 	if (stream->out_transfer_func != NULL) {
115 		dc_transfer_func_release(stream->out_transfer_func);
116 		stream->out_transfer_func = NULL;
117 	}
118 }
119 
120 void dc_stream_retain(struct dc_stream_state *stream)
121 {
122 	kref_get(&stream->refcount);
123 }
124 
125 static void dc_stream_free(struct kref *kref)
126 {
127 	struct dc_stream_state *stream = container_of(kref, struct dc_stream_state, refcount);
128 
129 	destruct(stream);
130 	kfree(stream);
131 }
132 
133 void dc_stream_release(struct dc_stream_state *stream)
134 {
135 	if (stream != NULL) {
136 		kref_put(&stream->refcount, dc_stream_free);
137 	}
138 }
139 
140 struct dc_stream_state *dc_create_stream_for_sink(
141 		struct dc_sink *sink)
142 {
143 	struct dc_stream_state *stream;
144 
145 	if (sink == NULL)
146 		return NULL;
147 
148 	stream = kzalloc(sizeof(struct dc_stream_state), GFP_KERNEL);
149 	if (stream == NULL)
150 		return NULL;
151 
152 	construct(stream, sink);
153 
154 	kref_init(&stream->refcount);
155 
156 	return stream;
157 }
158 
159 struct dc_stream_status *dc_stream_get_status(
160 	struct dc_stream_state *stream)
161 {
162 	uint8_t i;
163 	struct dc  *dc = stream->ctx->dc;
164 
165 	for (i = 0; i < dc->current_state->stream_count; i++) {
166 		if (stream == dc->current_state->streams[i])
167 			return &dc->current_state->stream_status[i];
168 	}
169 
170 	return NULL;
171 }
172 
173 /**
174  * Update the cursor attributes and set cursor surface address
175  */
176 bool dc_stream_set_cursor_attributes(
177 	struct dc_stream_state *stream,
178 	const struct dc_cursor_attributes *attributes)
179 {
180 	int i;
181 	struct dc  *core_dc;
182 	struct resource_context *res_ctx;
183 	struct pipe_ctx *pipe_to_program = NULL;
184 
185 	if (NULL == stream) {
186 		dm_error("DC: dc_stream is NULL!\n");
187 		return false;
188 	}
189 	if (NULL == attributes) {
190 		dm_error("DC: attributes is NULL!\n");
191 		return false;
192 	}
193 
194 	if (attributes->address.quad_part == 0) {
195 		dm_output_to_console("DC: Cursor address is 0!\n");
196 		return false;
197 	}
198 
199 	core_dc = stream->ctx->dc;
200 	res_ctx = &core_dc->current_state->res_ctx;
201 	stream->cursor_attributes = *attributes;
202 
203 	for (i = 0; i < MAX_PIPES; i++) {
204 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
205 
206 		if (pipe_ctx->stream != stream)
207 			continue;
208 		if (pipe_ctx->top_pipe && pipe_ctx->plane_state != pipe_ctx->top_pipe->plane_state)
209 			continue;
210 
211 		if (!pipe_to_program) {
212 			pipe_to_program = pipe_ctx;
213 			core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
214 		}
215 
216 		core_dc->hwss.set_cursor_attribute(pipe_ctx);
217 		if (core_dc->hwss.set_cursor_sdr_white_level)
218 			core_dc->hwss.set_cursor_sdr_white_level(pipe_ctx);
219 	}
220 
221 	if (pipe_to_program)
222 		core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, false);
223 
224 	return true;
225 }
226 
227 bool dc_stream_set_cursor_position(
228 	struct dc_stream_state *stream,
229 	const struct dc_cursor_position *position)
230 {
231 	int i;
232 	struct dc  *core_dc;
233 	struct resource_context *res_ctx;
234 	struct pipe_ctx *pipe_to_program = NULL;
235 
236 	if (NULL == stream) {
237 		dm_error("DC: dc_stream is NULL!\n");
238 		return false;
239 	}
240 
241 	if (NULL == position) {
242 		dm_error("DC: cursor position is NULL!\n");
243 		return false;
244 	}
245 
246 	core_dc = stream->ctx->dc;
247 	res_ctx = &core_dc->current_state->res_ctx;
248 	stream->cursor_position = *position;
249 
250 	for (i = 0; i < MAX_PIPES; i++) {
251 		struct pipe_ctx *pipe_ctx = &res_ctx->pipe_ctx[i];
252 
253 		if (pipe_ctx->stream != stream ||
254 				(!pipe_ctx->plane_res.mi  && !pipe_ctx->plane_res.hubp) ||
255 				!pipe_ctx->plane_state ||
256 				(!pipe_ctx->plane_res.xfm && !pipe_ctx->plane_res.dpp) ||
257 				!pipe_ctx->plane_res.ipp)
258 			continue;
259 
260 		if (!pipe_to_program) {
261 			pipe_to_program = pipe_ctx;
262 			core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, true);
263 		}
264 
265 		core_dc->hwss.set_cursor_position(pipe_ctx);
266 	}
267 
268 	if (pipe_to_program)
269 		core_dc->hwss.pipe_control_lock(core_dc, pipe_to_program, false);
270 
271 	return true;
272 }
273 
274 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream)
275 {
276 	uint8_t i;
277 	struct dc  *core_dc = stream->ctx->dc;
278 	struct resource_context *res_ctx =
279 		&core_dc->current_state->res_ctx;
280 
281 	for (i = 0; i < MAX_PIPES; i++) {
282 		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
283 
284 		if (res_ctx->pipe_ctx[i].stream != stream)
285 			continue;
286 
287 		return tg->funcs->get_frame_count(tg);
288 	}
289 
290 	return 0;
291 }
292 
293 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
294 				  uint32_t *v_blank_start,
295 				  uint32_t *v_blank_end,
296 				  uint32_t *h_position,
297 				  uint32_t *v_position)
298 {
299 	uint8_t i;
300 	bool ret = false;
301 	struct dc  *core_dc = stream->ctx->dc;
302 	struct resource_context *res_ctx =
303 		&core_dc->current_state->res_ctx;
304 
305 	for (i = 0; i < MAX_PIPES; i++) {
306 		struct timing_generator *tg = res_ctx->pipe_ctx[i].stream_res.tg;
307 
308 		if (res_ctx->pipe_ctx[i].stream != stream)
309 			continue;
310 
311 		tg->funcs->get_scanoutpos(tg,
312 					  v_blank_start,
313 					  v_blank_end,
314 					  h_position,
315 					  v_position);
316 
317 		ret = true;
318 		break;
319 	}
320 
321 	return ret;
322 }
323 
324 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream)
325 {
326 	DC_LOG_DC(
327 			"core_stream 0x%p: src: %d, %d, %d, %d; dst: %d, %d, %d, %d, colorSpace:%d\n",
328 			stream,
329 			stream->src.x,
330 			stream->src.y,
331 			stream->src.width,
332 			stream->src.height,
333 			stream->dst.x,
334 			stream->dst.y,
335 			stream->dst.width,
336 			stream->dst.height,
337 			stream->output_color_space);
338 	DC_LOG_DC(
339 			"\tpix_clk_khz: %d, h_total: %d, v_total: %d, pixelencoder:%d, displaycolorDepth:%d\n",
340 			stream->timing.pix_clk_khz,
341 			stream->timing.h_total,
342 			stream->timing.v_total,
343 			stream->timing.pixel_encoding,
344 			stream->timing.display_color_depth);
345 	DC_LOG_DC(
346 			"\tsink name: %s, serial: %d\n",
347 			stream->sink->edid_caps.display_name,
348 			stream->sink->edid_caps.serial_number);
349 	DC_LOG_DC(
350 			"\tlink: %d\n",
351 			stream->sink->link->link_index);
352 }
353