xref: /linux/sound/soc/sof/intel/hda-dai.c (revision ba199dc909a20fe62270ae4e93f263987bb9d119)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license.  When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2018 Intel Corporation
7 //
8 // Authors: Keyon Jie <yang.jie@linux.intel.com>
9 //
10 
11 #include <sound/pcm_params.h>
12 #include <sound/hdaudio_ext.h>
13 #include <sound/hda-mlink.h>
14 #include <sound/hda_register.h>
15 #include <sound/intel-nhlt.h>
16 #include <sound/sof/ipc4/header.h>
17 #include <uapi/sound/sof/header.h>
18 #include "../ipc4-priv.h"
19 #include "../ipc4-topology.h"
20 #include "../sof-priv.h"
21 #include "../sof-audio.h"
22 #include "hda.h"
23 
24 /*
25  * The default method is to fetch NHLT from BIOS. With this parameter set
26  * it is possible to override that with NHLT in the SOF topology manifest.
27  */
28 static bool hda_use_tplg_nhlt;
29 module_param_named(sof_use_tplg_nhlt, hda_use_tplg_nhlt, bool, 0444);
30 MODULE_PARM_DESC(sof_use_tplg_nhlt, "SOF topology nhlt override");
31 
32 int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
33 		   struct snd_sof_dai_config_data *data)
34 {
35 	struct snd_sof_widget *swidget = w->dobj.private;
36 	const struct sof_ipc_tplg_ops *tplg_ops;
37 	struct snd_sof_dev *sdev;
38 	int ret;
39 
40 	if (!swidget)
41 		return 0;
42 
43 	sdev = widget_to_sdev(w);
44 	tplg_ops = sof_ipc_get_ops(sdev, tplg);
45 
46 	if (tplg_ops && tplg_ops->dai_config) {
47 		ret = tplg_ops->dai_config(sdev, swidget, flags, data);
48 		if (ret < 0) {
49 			dev_err(sdev->dev, "DAI config with flags %x failed for widget %s\n",
50 				flags, w->name);
51 			return ret;
52 		}
53 	}
54 
55 	return 0;
56 }
57 EXPORT_SYMBOL_NS(hda_dai_config, SND_SOC_SOF_INTEL_HDA_COMMON);
58 
59 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)
60 
61 static struct snd_sof_dev *dai_to_sdev(struct snd_pcm_substream *substream,
62 				       struct snd_soc_dai *cpu_dai)
63 {
64 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
65 
66 	return widget_to_sdev(w);
67 }
68 
69 static const struct hda_dai_widget_dma_ops *
70 hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai)
71 {
72 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
73 	struct snd_sof_widget *swidget = w->dobj.private;
74 	struct snd_sof_dev *sdev;
75 	struct snd_sof_dai *sdai;
76 
77 	sdev = widget_to_sdev(w);
78 
79 	if (!swidget) {
80 		dev_err(sdev->dev, "%s: swidget is NULL\n", __func__);
81 		return NULL;
82 	}
83 
84 	if (sdev->dspless_mode_selected)
85 		return hda_select_dai_widget_ops(sdev, swidget);
86 
87 	sdai = swidget->private;
88 
89 	/* select and set the DAI widget ops if not set already */
90 	if (!sdai->platform_private) {
91 		const struct hda_dai_widget_dma_ops *ops =
92 			hda_select_dai_widget_ops(sdev, swidget);
93 		if (!ops)
94 			return NULL;
95 
96 		/* check if mandatory ops are set */
97 		if (!ops || !ops->get_hext_stream)
98 			return NULL;
99 
100 		sdai->platform_private = ops;
101 	}
102 
103 	return sdai->platform_private;
104 }
105 
106 int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream,
107 			 struct snd_soc_dai *cpu_dai)
108 {
109 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
110 	struct sof_intel_hda_stream *hda_stream;
111 	struct hdac_ext_link *hlink;
112 	struct snd_sof_dev *sdev;
113 	int stream_tag;
114 
115 	if (!ops) {
116 		dev_err(cpu_dai->dev, "DAI widget ops not set\n");
117 		return -EINVAL;
118 	}
119 
120 	sdev = dai_to_sdev(substream, cpu_dai);
121 
122 	hlink = ops->get_hlink(sdev, substream);
123 	if (!hlink)
124 		return -EINVAL;
125 
126 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
127 		stream_tag = hdac_stream(hext_stream)->stream_tag;
128 		snd_hdac_ext_bus_link_clear_stream_id(hlink, stream_tag);
129 	}
130 
131 	if (ops->release_hext_stream)
132 		ops->release_hext_stream(sdev, cpu_dai, substream);
133 
134 	hext_stream->link_prepared = 0;
135 
136 	/* free the host DMA channel reserved by hostless streams */
137 	hda_stream = hstream_to_sof_hda_stream(hext_stream);
138 	hda_stream->host_reserved = 0;
139 
140 	return 0;
141 }
142 
143 static int hda_link_dma_hw_params(struct snd_pcm_substream *substream,
144 				  struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai)
145 {
146 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
147 	struct hdac_ext_stream *hext_stream;
148 	struct hdac_stream *hstream;
149 	struct hdac_ext_link *hlink;
150 	struct snd_sof_dev *sdev;
151 	int stream_tag;
152 
153 	if (!ops) {
154 		dev_err(cpu_dai->dev, "DAI widget ops not set\n");
155 		return -EINVAL;
156 	}
157 
158 	sdev = dai_to_sdev(substream, cpu_dai);
159 
160 	hlink = ops->get_hlink(sdev, substream);
161 	if (!hlink)
162 		return -EINVAL;
163 
164 	hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
165 
166 	if (!hext_stream) {
167 		if (ops->assign_hext_stream)
168 			hext_stream = ops->assign_hext_stream(sdev, cpu_dai, substream);
169 	}
170 
171 	if (!hext_stream)
172 		return -EBUSY;
173 
174 	hstream = &hext_stream->hstream;
175 	stream_tag = hstream->stream_tag;
176 
177 	if (hext_stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK)
178 		snd_hdac_ext_bus_link_set_stream_id(hlink, stream_tag);
179 
180 	/* set the hdac_stream in the codec dai */
181 	if (ops->codec_dai_set_stream)
182 		ops->codec_dai_set_stream(sdev, substream, hstream);
183 
184 	if (ops->reset_hext_stream)
185 		ops->reset_hext_stream(sdev, hext_stream);
186 
187 	if (ops->calc_stream_format && ops->setup_hext_stream) {
188 		unsigned int format_val = ops->calc_stream_format(sdev, substream, params);
189 
190 		ops->setup_hext_stream(sdev, hext_stream, format_val);
191 	}
192 
193 	hext_stream->link_prepared = 1;
194 
195 	return 0;
196 }
197 
198 static int __maybe_unused hda_dai_hw_free(struct snd_pcm_substream *substream,
199 					  struct snd_soc_dai *cpu_dai)
200 {
201 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
202 	struct hdac_ext_stream *hext_stream;
203 	struct snd_sof_dev *sdev = dai_to_sdev(substream, cpu_dai);
204 
205 	if (!ops) {
206 		dev_err(cpu_dai->dev, "DAI widget ops not set\n");
207 		return -EINVAL;
208 	}
209 
210 	hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
211 	if (!hext_stream)
212 		return 0;
213 
214 	return hda_link_dma_cleanup(substream, hext_stream, cpu_dai);
215 }
216 
217 static int __maybe_unused hda_dai_hw_params_data(struct snd_pcm_substream *substream,
218 						 struct snd_pcm_hw_params *params,
219 						 struct snd_soc_dai *dai,
220 						 struct snd_sof_dai_config_data *data,
221 						 unsigned int flags)
222 {
223 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream);
224 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
225 	struct hdac_ext_stream *hext_stream;
226 	struct snd_sof_dev *sdev = widget_to_sdev(w);
227 	int ret;
228 
229 	if (!ops) {
230 		dev_err(sdev->dev, "DAI widget ops not set\n");
231 		return -EINVAL;
232 	}
233 
234 	hext_stream = ops->get_hext_stream(sdev, dai, substream);
235 	if (hext_stream && hext_stream->link_prepared)
236 		return 0;
237 
238 	ret = hda_link_dma_hw_params(substream, params, dai);
239 	if (ret < 0)
240 		return ret;
241 
242 	hext_stream = ops->get_hext_stream(sdev, dai, substream);
243 
244 	flags |= SOF_DAI_CONFIG_FLAGS_2_STEP_STOP << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT;
245 	data->dai_data = hdac_stream(hext_stream)->stream_tag - 1;
246 
247 	return hda_dai_config(w, flags, data);
248 }
249 
250 static int __maybe_unused hda_dai_hw_params(struct snd_pcm_substream *substream,
251 					    struct snd_pcm_hw_params *params,
252 					    struct snd_soc_dai *dai)
253 {
254 	struct snd_sof_dai_config_data data = { 0 };
255 	unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS;
256 
257 	return hda_dai_hw_params_data(substream, params, dai, &data, flags);
258 }
259 
260 /*
261  * In contrast to IPC3, the dai trigger in IPC4 mixes pipeline state changes
262  * (over IPC channel) and DMA state change (direct host register changes).
263  */
264 static int __maybe_unused hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
265 					  struct snd_soc_dai *dai)
266 {
267 	const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
268 	struct hdac_ext_stream *hext_stream;
269 	struct snd_sof_dev *sdev;
270 	int ret;
271 
272 	if (!ops) {
273 		dev_err(dai->dev, "DAI widget ops not set\n");
274 		return -EINVAL;
275 	}
276 
277 	dev_dbg(dai->dev, "cmd=%d dai %s direction %d\n", cmd,
278 		dai->name, substream->stream);
279 
280 	sdev = dai_to_sdev(substream, dai);
281 
282 	hext_stream = ops->get_hext_stream(sdev, dai, substream);
283 	if (!hext_stream)
284 		return -EINVAL;
285 
286 	if (ops->pre_trigger) {
287 		ret = ops->pre_trigger(sdev, dai, substream, cmd);
288 		if (ret < 0)
289 			return ret;
290 	}
291 
292 	if (ops->trigger) {
293 		ret = ops->trigger(sdev, dai, substream, cmd);
294 		if (ret < 0)
295 			return ret;
296 	}
297 
298 	if (ops->post_trigger) {
299 		ret = ops->post_trigger(sdev, dai, substream, cmd);
300 		if (ret < 0)
301 			return ret;
302 	}
303 
304 	switch (cmd) {
305 	case SNDRV_PCM_TRIGGER_SUSPEND:
306 		ret = hda_link_dma_cleanup(substream, hext_stream, dai);
307 		if (ret < 0) {
308 			dev_err(sdev->dev, "%s: failed to clean up link DMA\n", __func__);
309 			return ret;
310 		}
311 		break;
312 	default:
313 		break;
314 	}
315 
316 	return 0;
317 }
318 
319 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
320 
321 static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
322 {
323 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
324 	int stream = substream->stream;
325 
326 	return hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, dai);
327 }
328 
329 static const struct snd_soc_dai_ops hda_dai_ops = {
330 	.hw_params = hda_dai_hw_params,
331 	.hw_free = hda_dai_hw_free,
332 	.trigger = hda_dai_trigger,
333 	.prepare = hda_dai_prepare,
334 };
335 
336 #endif
337 
338 static struct sof_ipc4_copier *widget_to_copier(struct snd_soc_dapm_widget *w)
339 {
340 	struct snd_sof_widget *swidget = w->dobj.private;
341 	struct snd_sof_dai *sdai = swidget->private;
342 	struct sof_ipc4_copier *ipc4_copier = (struct sof_ipc4_copier *)sdai->private;
343 
344 	return ipc4_copier;
345 }
346 
347 static int non_hda_dai_hw_params_data(struct snd_pcm_substream *substream,
348 				      struct snd_pcm_hw_params *params,
349 				      struct snd_soc_dai *cpu_dai,
350 				      struct snd_sof_dai_config_data *data,
351 				      unsigned int flags)
352 {
353 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
354 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
355 	struct sof_ipc4_dma_config_tlv *dma_config_tlv;
356 	const struct hda_dai_widget_dma_ops *ops;
357 	struct sof_ipc4_dma_config *dma_config;
358 	struct sof_ipc4_copier *ipc4_copier;
359 	struct hdac_ext_stream *hext_stream;
360 	struct hdac_stream *hstream;
361 	struct snd_sof_dev *sdev;
362 	struct snd_soc_dai *dai;
363 	int cpu_dai_id;
364 	int stream_id;
365 	int ret;
366 
367 	ops = hda_dai_get_ops(substream, cpu_dai);
368 	if (!ops) {
369 		dev_err(cpu_dai->dev, "DAI widget ops not set\n");
370 		return -EINVAL;
371 	}
372 
373 	/* use HDaudio stream handling */
374 	ret = hda_dai_hw_params_data(substream, params, cpu_dai, data, flags);
375 	if (ret < 0) {
376 		dev_err(cpu_dai->dev, "%s: hda_dai_hw_params_data failed: %d\n", __func__, ret);
377 		return ret;
378 	}
379 
380 	sdev = widget_to_sdev(w);
381 	if (sdev->dspless_mode_selected)
382 		return 0;
383 
384 	/* get stream_id */
385 	hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
386 
387 	if (!hext_stream) {
388 		dev_err(cpu_dai->dev, "%s: no hext_stream found\n", __func__);
389 		return -ENODEV;
390 	}
391 
392 	hstream = &hext_stream->hstream;
393 	stream_id = hstream->stream_tag;
394 
395 	if (!stream_id) {
396 		dev_err(cpu_dai->dev, "%s: no stream_id allocated\n", __func__);
397 		return -ENODEV;
398 	}
399 
400 	/* configure TLV */
401 	ipc4_copier = widget_to_copier(w);
402 
403 	for_each_rtd_cpu_dais(rtd, cpu_dai_id, dai) {
404 		if (dai == cpu_dai)
405 			break;
406 	}
407 
408 	dma_config_tlv = &ipc4_copier->dma_config_tlv[cpu_dai_id];
409 	dma_config_tlv->type = SOF_IPC4_GTW_DMA_CONFIG_ID;
410 	/* dma_config_priv_size is zero */
411 	dma_config_tlv->length = sizeof(dma_config_tlv->dma_config);
412 
413 	dma_config = &dma_config_tlv->dma_config;
414 
415 	dma_config->dma_method = SOF_IPC4_DMA_METHOD_HDA;
416 	dma_config->pre_allocated_by_host = 1;
417 	dma_config->dma_channel_id = stream_id - 1;
418 	dma_config->stream_id = stream_id;
419 	/*
420 	 * Currently we use a DMA for each device in ALH blob. The device will
421 	 * be copied in sof_ipc4_prepare_copier_module.
422 	 */
423 	dma_config->dma_stream_channel_map.device_count = 1;
424 	dma_config->dma_priv_config_size = 0;
425 
426 	return 0;
427 }
428 
429 static int non_hda_dai_hw_params(struct snd_pcm_substream *substream,
430 				 struct snd_pcm_hw_params *params,
431 				 struct snd_soc_dai *cpu_dai)
432 {
433 	struct snd_sof_dai_config_data data = { 0 };
434 	unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS;
435 
436 	return non_hda_dai_hw_params_data(substream, params, cpu_dai, &data, flags);
437 }
438 
439 static int non_hda_dai_prepare(struct snd_pcm_substream *substream,
440 			       struct snd_soc_dai *cpu_dai)
441 {
442 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
443 	int stream = substream->stream;
444 
445 	return non_hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, cpu_dai);
446 }
447 
448 static const struct snd_soc_dai_ops ssp_dai_ops = {
449 	.hw_params = non_hda_dai_hw_params,
450 	.hw_free = hda_dai_hw_free,
451 	.trigger = hda_dai_trigger,
452 	.prepare = non_hda_dai_prepare,
453 };
454 
455 static const struct snd_soc_dai_ops dmic_dai_ops = {
456 	.hw_params = non_hda_dai_hw_params,
457 	.hw_free = hda_dai_hw_free,
458 	.trigger = hda_dai_trigger,
459 	.prepare = non_hda_dai_prepare,
460 };
461 
462 int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
463 			  struct snd_pcm_hw_params *params,
464 			  struct snd_soc_dai *cpu_dai,
465 			  int link_id,
466 			  int intel_alh_id)
467 {
468 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
469 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
470 	struct sof_ipc4_dma_config_tlv *dma_config_tlv;
471 	struct snd_sof_dai_config_data data = { 0 };
472 	unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS;
473 	const struct hda_dai_widget_dma_ops *ops;
474 	struct sof_ipc4_dma_config *dma_config;
475 	struct sof_ipc4_copier *ipc4_copier;
476 	struct hdac_ext_stream *hext_stream;
477 	struct snd_soc_dai *dai;
478 	struct snd_sof_dev *sdev;
479 	bool cpu_dai_found = false;
480 	int cpu_dai_id;
481 	int ch_mask;
482 	int ret;
483 	int i;
484 
485 	data.dai_index = (link_id << 8) | cpu_dai->id;
486 	data.dai_node_id = intel_alh_id;
487 	ret = non_hda_dai_hw_params_data(substream, params, cpu_dai, &data, flags);
488 	if (ret < 0) {
489 		dev_err(cpu_dai->dev, "%s: non_hda_dai_hw_params failed %d\n", __func__, ret);
490 		return ret;
491 	}
492 
493 	ops = hda_dai_get_ops(substream, cpu_dai);
494 	sdev = widget_to_sdev(w);
495 	hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
496 
497 	if (!hext_stream)
498 		return -ENODEV;
499 
500 	/*
501 	 * in the case of SoundWire we need to program the PCMSyCM registers. In case
502 	 * of aggregated devices, we need to define the channel mask for each sublink
503 	 * by reconstructing the split done in soc-pcm.c
504 	 */
505 	for_each_rtd_cpu_dais(rtd, cpu_dai_id, dai) {
506 		if (dai == cpu_dai) {
507 			cpu_dai_found = true;
508 			break;
509 		}
510 	}
511 
512 	if (!cpu_dai_found)
513 		return -ENODEV;
514 
515 	ch_mask = GENMASK(params_channels(params) - 1, 0);
516 
517 	ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id,
518 					     ch_mask,
519 					     hdac_stream(hext_stream)->stream_tag,
520 					     substream->stream);
521 	if (ret < 0) {
522 		dev_err(cpu_dai->dev, "%s:  hdac_bus_eml_sdw_map_stream_ch failed %d\n",
523 			__func__, ret);
524 		return ret;
525 	}
526 
527 	if (sdev->dspless_mode_selected)
528 		return 0;
529 
530 	ipc4_copier = widget_to_copier(w);
531 	dma_config_tlv = &ipc4_copier->dma_config_tlv[cpu_dai_id];
532 	dma_config = &dma_config_tlv->dma_config;
533 	dma_config->dma_stream_channel_map.mapping[0].device = data.dai_index;
534 	dma_config->dma_stream_channel_map.mapping[0].channel_mask = ch_mask;
535 
536 	/*
537 	 * copy the dma_config_tlv to all ipc4_copier in the same link. Because only one copier
538 	 * will be handled in sof_ipc4_prepare_copier_module.
539 	 */
540 	for_each_rtd_cpu_dais(rtd, i, dai) {
541 		w = snd_soc_dai_get_widget(dai, substream->stream);
542 		ipc4_copier = widget_to_copier(w);
543 		memcpy(&ipc4_copier->dma_config_tlv[cpu_dai_id], dma_config_tlv,
544 		       sizeof(*dma_config_tlv));
545 	}
546 	return 0;
547 }
548 EXPORT_SYMBOL_NS(sdw_hda_dai_hw_params, SND_SOC_SOF_INTEL_HDA_COMMON);
549 
550 int sdw_hda_dai_hw_free(struct snd_pcm_substream *substream,
551 			struct snd_soc_dai *cpu_dai,
552 			int link_id)
553 {
554 	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
555 	struct snd_sof_dev *sdev;
556 	int ret;
557 
558 	ret = hda_dai_hw_free(substream, cpu_dai);
559 	if (ret < 0) {
560 		dev_err(cpu_dai->dev, "%s: non_hda_dai_hw_free failed %d\n", __func__, ret);
561 		return ret;
562 	}
563 
564 	sdev = widget_to_sdev(w);
565 
566 	/* in the case of SoundWire we need to reset the PCMSyCM registers */
567 	ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id,
568 					     0, 0, substream->stream);
569 	if (ret < 0) {
570 		dev_err(cpu_dai->dev, "%s:  hdac_bus_eml_sdw_map_stream_ch failed %d\n",
571 			__func__, ret);
572 		return ret;
573 	}
574 
575 	return 0;
576 }
577 EXPORT_SYMBOL_NS(sdw_hda_dai_hw_free, SND_SOC_SOF_INTEL_HDA_COMMON);
578 
579 int sdw_hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
580 			struct snd_soc_dai *cpu_dai)
581 {
582 	return hda_dai_trigger(substream, cmd, cpu_dai);
583 }
584 EXPORT_SYMBOL_NS(sdw_hda_dai_trigger, SND_SOC_SOF_INTEL_HDA_COMMON);
585 
586 static int hda_dai_suspend(struct hdac_bus *bus)
587 {
588 	struct snd_soc_pcm_runtime *rtd;
589 	struct hdac_ext_stream *hext_stream;
590 	struct hdac_stream *s;
591 	int ret;
592 
593 	/* set internal flag for BE */
594 	list_for_each_entry(s, &bus->stream_list, list) {
595 
596 		hext_stream = stream_to_hdac_ext_stream(s);
597 
598 		/*
599 		 * clear stream. This should already be taken care for running
600 		 * streams when the SUSPEND trigger is called. But paused
601 		 * streams do not get suspended, so this needs to be done
602 		 * explicitly during suspend.
603 		 */
604 		if (hext_stream->link_substream) {
605 			const struct hda_dai_widget_dma_ops *ops;
606 			struct snd_sof_widget *swidget;
607 			struct snd_soc_dapm_widget *w;
608 			struct snd_soc_dai *cpu_dai;
609 			struct snd_sof_dev *sdev;
610 			struct snd_sof_dai *sdai;
611 
612 			rtd = snd_soc_substream_to_rtd(hext_stream->link_substream);
613 			cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
614 			w = snd_soc_dai_get_widget(cpu_dai, hdac_stream(hext_stream)->direction);
615 			swidget = w->dobj.private;
616 			sdev = widget_to_sdev(w);
617 			sdai = swidget->private;
618 			ops = sdai->platform_private;
619 
620 			/* for consistency with TRIGGER_SUSPEND  */
621 			if (ops->post_trigger) {
622 				ret = ops->post_trigger(sdev, cpu_dai,
623 							hext_stream->link_substream,
624 							SNDRV_PCM_TRIGGER_SUSPEND);
625 				if (ret < 0)
626 					return ret;
627 			}
628 
629 			ret = hda_link_dma_cleanup(hext_stream->link_substream,
630 						   hext_stream,
631 						   cpu_dai);
632 			if (ret < 0)
633 				return ret;
634 		}
635 	}
636 
637 	return 0;
638 }
639 
640 static void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
641 {
642 	const struct sof_intel_dsp_desc *chip;
643 	int i;
644 
645 	chip = get_chip_info(sdev->pdata);
646 
647 	if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
648 		for (i = 0; i < ops->num_drv; i++) {
649 			if (strstr(ops->drv[i].name, "SSP"))
650 				ops->drv[i].ops = &ssp_dai_ops;
651 		}
652 	}
653 }
654 
655 static void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
656 {
657 	const struct sof_intel_dsp_desc *chip;
658 	int i;
659 
660 	chip = get_chip_info(sdev->pdata);
661 
662 	if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
663 		for (i = 0; i < ops->num_drv; i++) {
664 			if (strstr(ops->drv[i].name, "DMIC"))
665 				ops->drv[i].ops = &dmic_dai_ops;
666 		}
667 	}
668 }
669 
670 #else
671 
672 static inline void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {}
673 static inline void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {}
674 
675 #endif /* CONFIG_SND_SOC_SOF_HDA_LINK */
676 
677 void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
678 {
679 	int i;
680 
681 	for (i = 0; i < ops->num_drv; i++) {
682 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
683 		if (strstr(ops->drv[i].name, "iDisp") ||
684 		    strstr(ops->drv[i].name, "Analog") ||
685 		    strstr(ops->drv[i].name, "Digital"))
686 			ops->drv[i].ops = &hda_dai_ops;
687 #endif
688 	}
689 
690 	ssp_set_dai_drv_ops(sdev, ops);
691 	dmic_set_dai_drv_ops(sdev, ops);
692 
693 	if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4 && !hda_use_tplg_nhlt) {
694 		struct sof_ipc4_fw_data *ipc4_data = sdev->private;
695 
696 		ipc4_data->nhlt = intel_nhlt_init(sdev->dev);
697 	}
698 }
699 EXPORT_SYMBOL_NS(hda_set_dai_drv_ops, SND_SOC_SOF_INTEL_HDA_COMMON);
700 
701 void hda_ops_free(struct snd_sof_dev *sdev)
702 {
703 	if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
704 		struct sof_ipc4_fw_data *ipc4_data = sdev->private;
705 
706 		if (!hda_use_tplg_nhlt)
707 			intel_nhlt_free(ipc4_data->nhlt);
708 
709 		kfree(sdev->private);
710 		sdev->private = NULL;
711 	}
712 }
713 EXPORT_SYMBOL_NS(hda_ops_free, SND_SOC_SOF_INTEL_HDA_COMMON);
714 
715 /*
716  * common dai driver for skl+ platforms.
717  * some products who use this DAI array only physically have a subset of
718  * the DAIs, but no harm is done here by adding the whole set.
719  */
720 struct snd_soc_dai_driver skl_dai[] = {
721 {
722 	.name = "SSP0 Pin",
723 	.playback = {
724 		.channels_min = 1,
725 		.channels_max = 8,
726 	},
727 	.capture = {
728 		.channels_min = 1,
729 		.channels_max = 8,
730 	},
731 },
732 {
733 	.name = "SSP1 Pin",
734 	.playback = {
735 		.channels_min = 1,
736 		.channels_max = 8,
737 	},
738 	.capture = {
739 		.channels_min = 1,
740 		.channels_max = 8,
741 	},
742 },
743 {
744 	.name = "SSP2 Pin",
745 	.playback = {
746 		.channels_min = 1,
747 		.channels_max = 8,
748 	},
749 	.capture = {
750 		.channels_min = 1,
751 		.channels_max = 8,
752 	},
753 },
754 {
755 	.name = "SSP3 Pin",
756 	.playback = {
757 		.channels_min = 1,
758 		.channels_max = 8,
759 	},
760 	.capture = {
761 		.channels_min = 1,
762 		.channels_max = 8,
763 	},
764 },
765 {
766 	.name = "SSP4 Pin",
767 	.playback = {
768 		.channels_min = 1,
769 		.channels_max = 8,
770 	},
771 	.capture = {
772 		.channels_min = 1,
773 		.channels_max = 8,
774 	},
775 },
776 {
777 	.name = "SSP5 Pin",
778 	.playback = {
779 		.channels_min = 1,
780 		.channels_max = 8,
781 	},
782 	.capture = {
783 		.channels_min = 1,
784 		.channels_max = 8,
785 	},
786 },
787 {
788 	.name = "DMIC01 Pin",
789 	.capture = {
790 		.channels_min = 1,
791 		.channels_max = 4,
792 	},
793 },
794 {
795 	.name = "DMIC16k Pin",
796 	.capture = {
797 		.channels_min = 1,
798 		.channels_max = 4,
799 	},
800 },
801 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
802 {
803 	.name = "iDisp1 Pin",
804 	.playback = {
805 		.channels_min = 1,
806 		.channels_max = 8,
807 	},
808 },
809 {
810 	.name = "iDisp2 Pin",
811 	.playback = {
812 		.channels_min = 1,
813 		.channels_max = 8,
814 	},
815 },
816 {
817 	.name = "iDisp3 Pin",
818 	.playback = {
819 		.channels_min = 1,
820 		.channels_max = 8,
821 	},
822 },
823 {
824 	.name = "iDisp4 Pin",
825 	.playback = {
826 		.channels_min = 1,
827 		.channels_max = 8,
828 	},
829 },
830 {
831 	.name = "Analog CPU DAI",
832 	.playback = {
833 		.channels_min = 1,
834 		.channels_max = 16,
835 	},
836 	.capture = {
837 		.channels_min = 1,
838 		.channels_max = 16,
839 	},
840 },
841 {
842 	.name = "Digital CPU DAI",
843 	.playback = {
844 		.channels_min = 1,
845 		.channels_max = 16,
846 	},
847 	.capture = {
848 		.channels_min = 1,
849 		.channels_max = 16,
850 	},
851 },
852 {
853 	.name = "Alt Analog CPU DAI",
854 	.playback = {
855 		.channels_min = 1,
856 		.channels_max = 16,
857 	},
858 	.capture = {
859 		.channels_min = 1,
860 		.channels_max = 16,
861 	},
862 },
863 #endif
864 };
865 EXPORT_SYMBOL_NS(skl_dai, SND_SOC_SOF_INTEL_HDA_COMMON);
866 
867 int hda_dsp_dais_suspend(struct snd_sof_dev *sdev)
868 {
869 	/*
870 	 * In the corner case where a SUSPEND happens during a PAUSE, the ALSA core
871 	 * does not throw the TRIGGER_SUSPEND. This leaves the DAIs in an unbalanced state.
872 	 * Since the component suspend is called last, we can trap this corner case
873 	 * and force the DAIs to release their resources.
874 	 */
875 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)
876 	int ret;
877 
878 	ret = hda_dai_suspend(sof_to_bus(sdev));
879 	if (ret < 0)
880 		return ret;
881 #endif
882 
883 	return 0;
884 }
885