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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. All rights reserved.
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 */
28static bool hda_use_tplg_nhlt;
29module_param_named(sof_use_tplg_nhlt, hda_use_tplg_nhlt, bool, 0444);
30MODULE_PARM_DESC(sof_use_tplg_nhlt, "SOF topology nhlt override");
31
32static struct snd_sof_dev *widget_to_sdev(struct snd_soc_dapm_widget *w)
33{
34 struct snd_sof_widget *swidget = w->dobj.private;
35 struct snd_soc_component *component = swidget->scomp;
36
37 return snd_soc_component_get_drvdata(component);
38}
39
40int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
41 struct snd_sof_dai_config_data *data)
42{
43 struct snd_sof_widget *swidget = w->dobj.private;
44 const struct sof_ipc_tplg_ops *tplg_ops;
45 struct snd_sof_dev *sdev;
46 int ret;
47
48 if (!swidget)
49 return 0;
50
51 sdev = widget_to_sdev(w);
52 tplg_ops = sof_ipc_get_ops(sdev, tplg);
53
54 if (tplg_ops && tplg_ops->dai_config) {
55 ret = tplg_ops->dai_config(sdev, swidget, flags, data);
56 if (ret < 0) {
57 dev_err(sdev->dev, "DAI config with flags %x failed for widget %s\n",
58 flags, w->name);
59 return ret;
60 }
61 }
62
63 return 0;
64}
65
66#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)
67
68static struct snd_sof_dev *dai_to_sdev(struct snd_pcm_substream *substream,
69 struct snd_soc_dai *cpu_dai)
70{
71 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
72
73 return widget_to_sdev(w);
74}
75
76static const struct hda_dai_widget_dma_ops *
77hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai)
78{
79 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
80 struct snd_sof_widget *swidget = w->dobj.private;
81 struct snd_sof_dev *sdev;
82 struct snd_sof_dai *sdai;
83
84 sdev = widget_to_sdev(w);
85
86 /*
87 * The swidget parameter of hda_select_dai_widget_ops() is ignored in
88 * case of DSPless mode
89 */
90 if (sdev->dspless_mode_selected)
91 return hda_select_dai_widget_ops(sdev, NULL);
92
93 sdai = swidget->private;
94
95 /* select and set the DAI widget ops if not set already */
96 if (!sdai->platform_private) {
97 const struct hda_dai_widget_dma_ops *ops =
98 hda_select_dai_widget_ops(sdev, swidget);
99 if (!ops)
100 return NULL;
101
102 /* check if mandatory ops are set */
103 if (!ops || !ops->get_hext_stream)
104 return NULL;
105
106 sdai->platform_private = ops;
107 }
108
109 return sdai->platform_private;
110}
111
112int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream,
113 struct snd_soc_dai *cpu_dai)
114{
115 const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
116 struct sof_intel_hda_stream *hda_stream;
117 struct hdac_ext_link *hlink;
118 struct snd_sof_dev *sdev;
119 int stream_tag;
120
121 if (!ops) {
122 dev_err(cpu_dai->dev, "DAI widget ops not set\n");
123 return -EINVAL;
124 }
125
126 sdev = dai_to_sdev(substream, cpu_dai);
127
128 hlink = ops->get_hlink(sdev, substream);
129 if (!hlink)
130 return -EINVAL;
131
132 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
133 stream_tag = hdac_stream(hext_stream)->stream_tag;
134 snd_hdac_ext_bus_link_clear_stream_id(hlink, stream_tag);
135 }
136
137 if (ops->release_hext_stream)
138 ops->release_hext_stream(sdev, cpu_dai, substream);
139
140 hext_stream->link_prepared = 0;
141
142 /* free the host DMA channel reserved by hostless streams */
143 hda_stream = hstream_to_sof_hda_stream(hext_stream);
144 hda_stream->host_reserved = 0;
145
146 return 0;
147}
148
149static int hda_link_dma_hw_params(struct snd_pcm_substream *substream,
150 struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai)
151{
152 const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
153 struct hdac_ext_stream *hext_stream;
154 struct hdac_stream *hstream;
155 struct hdac_ext_link *hlink;
156 struct snd_sof_dev *sdev;
157 int stream_tag;
158
159 if (!ops) {
160 dev_err(cpu_dai->dev, "DAI widget ops not set\n");
161 return -EINVAL;
162 }
163
164 sdev = dai_to_sdev(substream, cpu_dai);
165
166 hlink = ops->get_hlink(sdev, substream);
167 if (!hlink)
168 return -EINVAL;
169
170 hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
171
172 if (!hext_stream) {
173 if (ops->assign_hext_stream)
174 hext_stream = ops->assign_hext_stream(sdev, cpu_dai, substream);
175 }
176
177 if (!hext_stream)
178 return -EBUSY;
179
180 hstream = &hext_stream->hstream;
181 stream_tag = hstream->stream_tag;
182
183 if (hext_stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK)
184 snd_hdac_ext_bus_link_set_stream_id(hlink, stream_tag);
185
186 /* set the hdac_stream in the codec dai */
187 if (ops->codec_dai_set_stream)
188 ops->codec_dai_set_stream(sdev, substream, hstream);
189
190 if (ops->reset_hext_stream)
191 ops->reset_hext_stream(sdev, hext_stream);
192
193 if (ops->calc_stream_format && ops->setup_hext_stream) {
194 unsigned int format_val = ops->calc_stream_format(sdev, substream, params);
195
196 ops->setup_hext_stream(sdev, hext_stream, format_val);
197 }
198
199 hext_stream->link_prepared = 1;
200
201 return 0;
202}
203
204static int __maybe_unused hda_dai_hw_free(struct snd_pcm_substream *substream,
205 struct snd_soc_dai *cpu_dai)
206{
207 const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, cpu_dai);
208 struct hdac_ext_stream *hext_stream;
209 struct snd_sof_dev *sdev = dai_to_sdev(substream, cpu_dai);
210
211 if (!ops) {
212 dev_err(cpu_dai->dev, "DAI widget ops not set\n");
213 return -EINVAL;
214 }
215
216 hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
217 if (!hext_stream)
218 return 0;
219
220 return hda_link_dma_cleanup(substream, hext_stream, cpu_dai);
221}
222
223static int __maybe_unused hda_dai_hw_params(struct snd_pcm_substream *substream,
224 struct snd_pcm_hw_params *params,
225 struct snd_soc_dai *dai)
226{
227 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(dai, substream->stream);
228 const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
229 struct hdac_ext_stream *hext_stream;
230 struct snd_sof_dai_config_data data = { 0 };
231 unsigned int flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS;
232 struct snd_sof_dev *sdev = widget_to_sdev(w);
233 int ret;
234
235 if (!ops) {
236 dev_err(sdev->dev, "DAI widget ops not set\n");
237 return -EINVAL;
238 }
239
240 hext_stream = ops->get_hext_stream(sdev, dai, substream);
241 if (hext_stream && hext_stream->link_prepared)
242 return 0;
243
244 ret = hda_link_dma_hw_params(substream, params, dai);
245 if (ret < 0)
246 return ret;
247
248 hext_stream = ops->get_hext_stream(sdev, dai, substream);
249
250 flags |= SOF_DAI_CONFIG_FLAGS_2_STEP_STOP << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT;
251 data.dai_data = hdac_stream(hext_stream)->stream_tag - 1;
252
253 return hda_dai_config(w, flags, &data);
254}
255
256/*
257 * In contrast to IPC3, the dai trigger in IPC4 mixes pipeline state changes
258 * (over IPC channel) and DMA state change (direct host register changes).
259 */
260static int __maybe_unused hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
261 struct snd_soc_dai *dai)
262{
263 const struct hda_dai_widget_dma_ops *ops = hda_dai_get_ops(substream, dai);
264 struct hdac_ext_stream *hext_stream;
265 struct snd_sof_dev *sdev;
266 int ret;
267
268 if (!ops) {
269 dev_err(dai->dev, "DAI widget ops not set\n");
270 return -EINVAL;
271 }
272
273 dev_dbg(dai->dev, "cmd=%d dai %s direction %d\n", cmd,
274 dai->name, substream->stream);
275
276 sdev = dai_to_sdev(substream, dai);
277
278 hext_stream = ops->get_hext_stream(sdev, dai, substream);
279 if (!hext_stream)
280 return -EINVAL;
281
282 if (ops->pre_trigger) {
283 ret = ops->pre_trigger(sdev, dai, substream, cmd);
284 if (ret < 0)
285 return ret;
286 }
287
288 if (ops->trigger) {
289 ret = ops->trigger(sdev, dai, substream, cmd);
290 if (ret < 0)
291 return ret;
292 }
293
294 if (ops->post_trigger) {
295 ret = ops->post_trigger(sdev, dai, substream, cmd);
296 if (ret < 0)
297 return ret;
298 }
299
300 switch (cmd) {
301 case SNDRV_PCM_TRIGGER_SUSPEND:
302 ret = hda_link_dma_cleanup(substream, hext_stream, dai);
303 if (ret < 0) {
304 dev_err(sdev->dev, "%s: failed to clean up link DMA\n", __func__);
305 return ret;
306 }
307 break;
308 default:
309 break;
310 }
311
312 return 0;
313}
314
315#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
316
317static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
318{
319 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
320 int stream = substream->stream;
321
322 return hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, dai);
323}
324
325static const struct snd_soc_dai_ops hda_dai_ops = {
326 .hw_params = hda_dai_hw_params,
327 .hw_free = hda_dai_hw_free,
328 .trigger = hda_dai_trigger,
329 .prepare = hda_dai_prepare,
330};
331
332#endif
333
334static struct sof_ipc4_copier *widget_to_copier(struct snd_soc_dapm_widget *w)
335{
336 struct snd_sof_widget *swidget = w->dobj.private;
337 struct snd_sof_dai *sdai = swidget->private;
338 struct sof_ipc4_copier *ipc4_copier = (struct sof_ipc4_copier *)sdai->private;
339
340 return ipc4_copier;
341}
342
343static int non_hda_dai_hw_params(struct snd_pcm_substream *substream,
344 struct snd_pcm_hw_params *params,
345 struct snd_soc_dai *cpu_dai)
346{
347 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
348 struct sof_ipc4_dma_config_tlv *dma_config_tlv;
349 const struct hda_dai_widget_dma_ops *ops;
350 struct sof_ipc4_dma_config *dma_config;
351 struct sof_ipc4_copier *ipc4_copier;
352 struct hdac_ext_stream *hext_stream;
353 struct hdac_stream *hstream;
354 struct snd_sof_dev *sdev;
355 int stream_id;
356 int ret;
357
358 ops = hda_dai_get_ops(substream, cpu_dai);
359 if (!ops) {
360 dev_err(cpu_dai->dev, "DAI widget ops not set\n");
361 return -EINVAL;
362 }
363
364 /* use HDaudio stream handling */
365 ret = hda_dai_hw_params(substream, params, cpu_dai);
366 if (ret < 0) {
367 dev_err(cpu_dai->dev, "%s: hda_dai_hw_params failed: %d\n", __func__, ret);
368 return ret;
369 }
370
371 /* get stream_id */
372 sdev = widget_to_sdev(w);
373 hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
374
375 if (!hext_stream) {
376 dev_err(cpu_dai->dev, "%s: no hext_stream found\n", __func__);
377 return -ENODEV;
378 }
379
380 hstream = &hext_stream->hstream;
381 stream_id = hstream->stream_tag;
382
383 if (!stream_id) {
384 dev_err(cpu_dai->dev, "%s: no stream_id allocated\n", __func__);
385 return -ENODEV;
386 }
387
388 /* configure TLV */
389 ipc4_copier = widget_to_copier(w);
390
391 dma_config_tlv = &ipc4_copier->dma_config_tlv;
392 dma_config_tlv->type = SOF_IPC4_GTW_DMA_CONFIG_ID;
393 /* dma_config_priv_size is zero */
394 dma_config_tlv->length = sizeof(dma_config_tlv->dma_config);
395
396 dma_config = &dma_config_tlv->dma_config;
397
398 dma_config->dma_method = SOF_IPC4_DMA_METHOD_HDA;
399 dma_config->pre_allocated_by_host = 1;
400 dma_config->dma_channel_id = stream_id - 1;
401 dma_config->stream_id = stream_id;
402 dma_config->dma_stream_channel_map.device_count = 0; /* mapping not used */
403 dma_config->dma_priv_config_size = 0;
404
405 return 0;
406}
407
408static int non_hda_dai_prepare(struct snd_pcm_substream *substream,
409 struct snd_soc_dai *cpu_dai)
410{
411 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
412 int stream = substream->stream;
413
414 return non_hda_dai_hw_params(substream, &rtd->dpcm[stream].hw_params, cpu_dai);
415}
416
417static const struct snd_soc_dai_ops ssp_dai_ops = {
418 .hw_params = non_hda_dai_hw_params,
419 .hw_free = hda_dai_hw_free,
420 .trigger = hda_dai_trigger,
421 .prepare = non_hda_dai_prepare,
422};
423
424static const struct snd_soc_dai_ops dmic_dai_ops = {
425 .hw_params = non_hda_dai_hw_params,
426 .hw_free = hda_dai_hw_free,
427 .trigger = hda_dai_trigger,
428 .prepare = non_hda_dai_prepare,
429};
430
431int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
432 struct snd_pcm_hw_params *params,
433 struct snd_soc_dai *cpu_dai,
434 int link_id)
435{
436 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
437 const struct hda_dai_widget_dma_ops *ops;
438 struct hdac_ext_stream *hext_stream;
439 struct snd_sof_dev *sdev;
440 int ret;
441
442 ret = non_hda_dai_hw_params(substream, params, cpu_dai);
443 if (ret < 0) {
444 dev_err(cpu_dai->dev, "%s: non_hda_dai_hw_params failed %d\n", __func__, ret);
445 return ret;
446 }
447
448 ops = hda_dai_get_ops(substream, cpu_dai);
449 sdev = widget_to_sdev(w);
450 hext_stream = ops->get_hext_stream(sdev, cpu_dai, substream);
451
452 if (!hext_stream)
453 return -ENODEV;
454
455 /* in the case of SoundWire we need to program the PCMSyCM registers */
456 ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id,
457 GENMASK(params_channels(params) - 1, 0),
458 hdac_stream(hext_stream)->stream_tag,
459 substream->stream);
460 if (ret < 0) {
461 dev_err(cpu_dai->dev, "%s: hdac_bus_eml_sdw_map_stream_ch failed %d\n",
462 __func__, ret);
463 return ret;
464 }
465
466 return 0;
467}
468
469int sdw_hda_dai_hw_free(struct snd_pcm_substream *substream,
470 struct snd_soc_dai *cpu_dai,
471 int link_id)
472{
473 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream);
474 struct snd_sof_dev *sdev;
475 int ret;
476
477 ret = hda_dai_hw_free(substream, cpu_dai);
478 if (ret < 0) {
479 dev_err(cpu_dai->dev, "%s: non_hda_dai_hw_free failed %d\n", __func__, ret);
480 return ret;
481 }
482
483 sdev = widget_to_sdev(w);
484
485 /* in the case of SoundWire we need to reset the PCMSyCM registers */
486 ret = hdac_bus_eml_sdw_map_stream_ch(sof_to_bus(sdev), link_id, cpu_dai->id,
487 0, 0, substream->stream);
488 if (ret < 0) {
489 dev_err(cpu_dai->dev, "%s: hdac_bus_eml_sdw_map_stream_ch failed %d\n",
490 __func__, ret);
491 return ret;
492 }
493
494 return 0;
495}
496
497int sdw_hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
498 struct snd_soc_dai *cpu_dai)
499{
500 return hda_dai_trigger(substream, cmd, cpu_dai);
501}
502
503static int hda_dai_suspend(struct hdac_bus *bus)
504{
505 struct snd_soc_pcm_runtime *rtd;
506 struct hdac_ext_stream *hext_stream;
507 struct hdac_stream *s;
508 int ret;
509
510 /* set internal flag for BE */
511 list_for_each_entry(s, &bus->stream_list, list) {
512
513 hext_stream = stream_to_hdac_ext_stream(s);
514
515 /*
516 * clear stream. This should already be taken care for running
517 * streams when the SUSPEND trigger is called. But paused
518 * streams do not get suspended, so this needs to be done
519 * explicitly during suspend.
520 */
521 if (hext_stream->link_substream) {
522 const struct hda_dai_widget_dma_ops *ops;
523 struct snd_sof_widget *swidget;
524 struct snd_soc_dapm_widget *w;
525 struct snd_soc_dai *cpu_dai;
526 struct snd_sof_dev *sdev;
527 struct snd_sof_dai *sdai;
528
529 rtd = snd_soc_substream_to_rtd(hext_stream->link_substream);
530 cpu_dai = snd_soc_rtd_to_cpu(rtd, 0);
531 w = snd_soc_dai_get_widget(cpu_dai, hdac_stream(hext_stream)->direction);
532 swidget = w->dobj.private;
533 sdev = widget_to_sdev(w);
534 sdai = swidget->private;
535 ops = sdai->platform_private;
536
537 ret = hda_link_dma_cleanup(hext_stream->link_substream,
538 hext_stream,
539 cpu_dai);
540 if (ret < 0)
541 return ret;
542
543 /* for consistency with TRIGGER_SUSPEND */
544 if (ops->post_trigger) {
545 ret = ops->post_trigger(sdev, cpu_dai,
546 hext_stream->link_substream,
547 SNDRV_PCM_TRIGGER_SUSPEND);
548 if (ret < 0)
549 return ret;
550 }
551 }
552 }
553
554 return 0;
555}
556
557static void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
558{
559 const struct sof_intel_dsp_desc *chip;
560 int i;
561
562 chip = get_chip_info(sdev->pdata);
563
564 if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
565 for (i = 0; i < ops->num_drv; i++) {
566 if (strstr(ops->drv[i].name, "SSP"))
567 ops->drv[i].ops = &ssp_dai_ops;
568 }
569 }
570}
571
572static void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
573{
574 const struct sof_intel_dsp_desc *chip;
575 int i;
576
577 chip = get_chip_info(sdev->pdata);
578
579 if (chip->hw_ip_version >= SOF_INTEL_ACE_2_0) {
580 for (i = 0; i < ops->num_drv; i++) {
581 if (strstr(ops->drv[i].name, "DMIC"))
582 ops->drv[i].ops = &dmic_dai_ops;
583 }
584 }
585}
586
587#else
588
589static inline void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {}
590static inline void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {}
591
592#endif /* CONFIG_SND_SOC_SOF_HDA_LINK */
593
594void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
595{
596 int i;
597
598 for (i = 0; i < ops->num_drv; i++) {
599#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
600 if (strstr(ops->drv[i].name, "iDisp") ||
601 strstr(ops->drv[i].name, "Analog") ||
602 strstr(ops->drv[i].name, "Digital"))
603 ops->drv[i].ops = &hda_dai_ops;
604#endif
605 }
606
607 ssp_set_dai_drv_ops(sdev, ops);
608 dmic_set_dai_drv_ops(sdev, ops);
609
610 if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4 && !hda_use_tplg_nhlt) {
611 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
612
613 ipc4_data->nhlt = intel_nhlt_init(sdev->dev);
614 }
615}
616
617void hda_ops_free(struct snd_sof_dev *sdev)
618{
619 if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
620 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
621
622 if (!hda_use_tplg_nhlt)
623 intel_nhlt_free(ipc4_data->nhlt);
624
625 kfree(sdev->private);
626 sdev->private = NULL;
627 }
628}
629EXPORT_SYMBOL_NS(hda_ops_free, SND_SOC_SOF_INTEL_HDA_COMMON);
630
631/*
632 * common dai driver for skl+ platforms.
633 * some products who use this DAI array only physically have a subset of
634 * the DAIs, but no harm is done here by adding the whole set.
635 */
636struct snd_soc_dai_driver skl_dai[] = {
637{
638 .name = "SSP0 Pin",
639 .playback = {
640 .channels_min = 1,
641 .channels_max = 8,
642 },
643 .capture = {
644 .channels_min = 1,
645 .channels_max = 8,
646 },
647},
648{
649 .name = "SSP1 Pin",
650 .playback = {
651 .channels_min = 1,
652 .channels_max = 8,
653 },
654 .capture = {
655 .channels_min = 1,
656 .channels_max = 8,
657 },
658},
659{
660 .name = "SSP2 Pin",
661 .playback = {
662 .channels_min = 1,
663 .channels_max = 8,
664 },
665 .capture = {
666 .channels_min = 1,
667 .channels_max = 8,
668 },
669},
670{
671 .name = "SSP3 Pin",
672 .playback = {
673 .channels_min = 1,
674 .channels_max = 8,
675 },
676 .capture = {
677 .channels_min = 1,
678 .channels_max = 8,
679 },
680},
681{
682 .name = "SSP4 Pin",
683 .playback = {
684 .channels_min = 1,
685 .channels_max = 8,
686 },
687 .capture = {
688 .channels_min = 1,
689 .channels_max = 8,
690 },
691},
692{
693 .name = "SSP5 Pin",
694 .playback = {
695 .channels_min = 1,
696 .channels_max = 8,
697 },
698 .capture = {
699 .channels_min = 1,
700 .channels_max = 8,
701 },
702},
703{
704 .name = "DMIC01 Pin",
705 .capture = {
706 .channels_min = 1,
707 .channels_max = 4,
708 },
709},
710{
711 .name = "DMIC16k Pin",
712 .capture = {
713 .channels_min = 1,
714 .channels_max = 4,
715 },
716},
717#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
718{
719 .name = "iDisp1 Pin",
720 .playback = {
721 .channels_min = 1,
722 .channels_max = 8,
723 },
724},
725{
726 .name = "iDisp2 Pin",
727 .playback = {
728 .channels_min = 1,
729 .channels_max = 8,
730 },
731},
732{
733 .name = "iDisp3 Pin",
734 .playback = {
735 .channels_min = 1,
736 .channels_max = 8,
737 },
738},
739{
740 .name = "iDisp4 Pin",
741 .playback = {
742 .channels_min = 1,
743 .channels_max = 8,
744 },
745},
746{
747 .name = "Analog CPU DAI",
748 .playback = {
749 .channels_min = 1,
750 .channels_max = 16,
751 },
752 .capture = {
753 .channels_min = 1,
754 .channels_max = 16,
755 },
756},
757{
758 .name = "Digital CPU DAI",
759 .playback = {
760 .channels_min = 1,
761 .channels_max = 16,
762 },
763 .capture = {
764 .channels_min = 1,
765 .channels_max = 16,
766 },
767},
768{
769 .name = "Alt Analog CPU DAI",
770 .playback = {
771 .channels_min = 1,
772 .channels_max = 16,
773 },
774 .capture = {
775 .channels_min = 1,
776 .channels_max = 16,
777 },
778},
779#endif
780};
781
782int hda_dsp_dais_suspend(struct snd_sof_dev *sdev)
783{
784 /*
785 * In the corner case where a SUSPEND happens during a PAUSE, the ALSA core
786 * does not throw the TRIGGER_SUSPEND. This leaves the DAIs in an unbalanced state.
787 * Since the component suspend is called last, we can trap this corner case
788 * and force the DAIs to release their resources.
789 */
790#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)
791 int ret;
792
793 ret = hda_dai_suspend(sof_to_bus(sdev));
794 if (ret < 0)
795 return ret;
796#endif
797
798 return 0;
799}
1// SPDX-License-Identifier: (GPL-2.0 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. All rights reserved.
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 "../sof-priv.h"
14#include "hda.h"
15
16#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
17
18struct hda_pipe_params {
19 u8 host_dma_id;
20 u8 link_dma_id;
21 u32 ch;
22 u32 s_freq;
23 u32 s_fmt;
24 u8 linktype;
25 snd_pcm_format_t format;
26 int link_index;
27 int stream;
28 unsigned int host_bps;
29 unsigned int link_bps;
30};
31
32/*
33 * This function checks if the host dma channel corresponding
34 * to the link DMA stream_tag argument is assigned to one
35 * of the FEs connected to the BE DAI.
36 */
37static bool hda_check_fes(struct snd_soc_pcm_runtime *rtd,
38 int dir, int stream_tag)
39{
40 struct snd_pcm_substream *fe_substream;
41 struct hdac_stream *fe_hstream;
42 struct snd_soc_dpcm *dpcm;
43
44 for_each_dpcm_fe(rtd, dir, dpcm) {
45 fe_substream = snd_soc_dpcm_get_substream(dpcm->fe, dir);
46 fe_hstream = fe_substream->runtime->private_data;
47 if (fe_hstream->stream_tag == stream_tag)
48 return true;
49 }
50
51 return false;
52}
53
54static struct hdac_ext_stream *
55 hda_link_stream_assign(struct hdac_bus *bus,
56 struct snd_pcm_substream *substream)
57{
58 struct snd_soc_pcm_runtime *rtd = substream->private_data;
59 struct sof_intel_hda_stream *hda_stream;
60 struct hdac_ext_stream *res = NULL;
61 struct hdac_stream *stream = NULL;
62
63 int stream_dir = substream->stream;
64
65 if (!bus->ppcap) {
66 dev_err(bus->dev, "stream type not supported\n");
67 return NULL;
68 }
69
70 list_for_each_entry(stream, &bus->stream_list, list) {
71 struct hdac_ext_stream *hstream =
72 stream_to_hdac_ext_stream(stream);
73 if (stream->direction != substream->stream)
74 continue;
75
76 hda_stream = hstream_to_sof_hda_stream(hstream);
77
78 /* check if link is available */
79 if (!hstream->link_locked) {
80 if (stream->opened) {
81 /*
82 * check if the stream tag matches the stream
83 * tag of one of the connected FEs
84 */
85 if (hda_check_fes(rtd, stream_dir,
86 stream->stream_tag)) {
87 res = hstream;
88 break;
89 }
90 } else {
91 res = hstream;
92
93 /*
94 * This must be a hostless stream.
95 * So reserve the host DMA channel.
96 */
97 hda_stream->host_reserved = 1;
98 break;
99 }
100 }
101 }
102
103 if (res) {
104 /*
105 * Decouple host and link DMA. The decoupled flag
106 * is updated in snd_hdac_ext_stream_decouple().
107 */
108 if (!res->decoupled)
109 snd_hdac_ext_stream_decouple(bus, res, true);
110 spin_lock_irq(&bus->reg_lock);
111 res->link_locked = 1;
112 res->link_substream = substream;
113 spin_unlock_irq(&bus->reg_lock);
114 }
115
116 return res;
117}
118
119static int hda_link_dma_params(struct hdac_ext_stream *stream,
120 struct hda_pipe_params *params)
121{
122 struct hdac_stream *hstream = &stream->hstream;
123 unsigned char stream_tag = hstream->stream_tag;
124 struct hdac_bus *bus = hstream->bus;
125 struct hdac_ext_link *link;
126 unsigned int format_val;
127
128 snd_hdac_ext_stream_decouple(bus, stream, true);
129 snd_hdac_ext_link_stream_reset(stream);
130
131 format_val = snd_hdac_calc_stream_format(params->s_freq, params->ch,
132 params->format,
133 params->link_bps, 0);
134
135 dev_dbg(bus->dev, "format_val=%d, rate=%d, ch=%d, format=%d\n",
136 format_val, params->s_freq, params->ch, params->format);
137
138 snd_hdac_ext_link_stream_setup(stream, format_val);
139
140 if (stream->hstream.direction == SNDRV_PCM_STREAM_PLAYBACK) {
141 list_for_each_entry(link, &bus->hlink_list, list) {
142 if (link->index == params->link_index)
143 snd_hdac_ext_link_set_stream_id(link,
144 stream_tag);
145 }
146 }
147
148 stream->link_prepared = 1;
149
150 return 0;
151}
152
153/* Send DAI_CONFIG IPC to the DAI that matches the dai_name and direction */
154static int hda_link_config_ipc(struct sof_intel_hda_stream *hda_stream,
155 const char *dai_name, int channel, int dir)
156{
157 struct sof_ipc_dai_config *config;
158 struct snd_sof_dai *sof_dai;
159 struct sof_ipc_reply reply;
160 int ret = 0;
161
162 list_for_each_entry(sof_dai, &hda_stream->sdev->dai_list, list) {
163 if (!sof_dai->cpu_dai_name)
164 continue;
165
166 if (!strcmp(dai_name, sof_dai->cpu_dai_name) &&
167 dir == sof_dai->comp_dai.direction) {
168 config = sof_dai->dai_config;
169
170 if (!config) {
171 dev_err(hda_stream->sdev->dev,
172 "error: no config for DAI %s\n",
173 sof_dai->name);
174 return -EINVAL;
175 }
176
177 /* update config with stream tag */
178 config->hda.link_dma_ch = channel;
179
180 /* send IPC */
181 ret = sof_ipc_tx_message(hda_stream->sdev->ipc,
182 config->hdr.cmd,
183 config,
184 config->hdr.size,
185 &reply, sizeof(reply));
186
187 if (ret < 0)
188 dev_err(hda_stream->sdev->dev,
189 "error: failed to set dai config for %s\n",
190 sof_dai->name);
191 return ret;
192 }
193 }
194
195 return -EINVAL;
196}
197
198static int hda_link_hw_params(struct snd_pcm_substream *substream,
199 struct snd_pcm_hw_params *params,
200 struct snd_soc_dai *dai)
201{
202 struct hdac_stream *hstream = substream->runtime->private_data;
203 struct hdac_bus *bus = hstream->bus;
204 struct hdac_ext_stream *link_dev;
205 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
206 struct snd_soc_dai *codec_dai = rtd->codec_dai;
207 struct sof_intel_hda_stream *hda_stream;
208 struct hda_pipe_params p_params = {0};
209 struct hdac_ext_link *link;
210 int stream_tag;
211 int ret;
212
213 /* get stored dma data if resuming from system suspend */
214 link_dev = snd_soc_dai_get_dma_data(dai, substream);
215 if (!link_dev) {
216 link_dev = hda_link_stream_assign(bus, substream);
217 if (!link_dev)
218 return -EBUSY;
219 }
220
221 stream_tag = hdac_stream(link_dev)->stream_tag;
222
223 hda_stream = hstream_to_sof_hda_stream(link_dev);
224
225 /* update the DSP with the new tag */
226 ret = hda_link_config_ipc(hda_stream, dai->name, stream_tag - 1,
227 substream->stream);
228 if (ret < 0)
229 return ret;
230
231 snd_soc_dai_set_dma_data(dai, substream, (void *)link_dev);
232
233 link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
234 if (!link)
235 return -EINVAL;
236
237 /* set the stream tag in the codec dai dma params */
238 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
239 snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
240 else
241 snd_soc_dai_set_tdm_slot(codec_dai, 0, stream_tag, 0, 0);
242
243 p_params.s_fmt = snd_pcm_format_width(params_format(params));
244 p_params.ch = params_channels(params);
245 p_params.s_freq = params_rate(params);
246 p_params.stream = substream->stream;
247 p_params.link_dma_id = stream_tag - 1;
248 p_params.link_index = link->index;
249 p_params.format = params_format(params);
250
251 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
252 p_params.link_bps = codec_dai->driver->playback.sig_bits;
253 else
254 p_params.link_bps = codec_dai->driver->capture.sig_bits;
255
256 return hda_link_dma_params(link_dev, &p_params);
257}
258
259static int hda_link_pcm_prepare(struct snd_pcm_substream *substream,
260 struct snd_soc_dai *dai)
261{
262 struct hdac_ext_stream *link_dev =
263 snd_soc_dai_get_dma_data(dai, substream);
264 struct sof_intel_hda_stream *hda_stream;
265 struct snd_sof_dev *sdev =
266 snd_soc_component_get_drvdata(dai->component);
267 struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(substream);
268 int stream = substream->stream;
269
270 hda_stream = hstream_to_sof_hda_stream(link_dev);
271
272 if (link_dev->link_prepared)
273 return 0;
274
275 dev_dbg(sdev->dev, "hda: prepare stream dir %d\n", substream->stream);
276
277 return hda_link_hw_params(substream, &rtd->dpcm[stream].hw_params,
278 dai);
279}
280
281static int hda_link_pcm_trigger(struct snd_pcm_substream *substream,
282 int cmd, struct snd_soc_dai *dai)
283{
284 struct hdac_ext_stream *link_dev =
285 snd_soc_dai_get_dma_data(dai, substream);
286 struct sof_intel_hda_stream *hda_stream;
287 struct snd_soc_pcm_runtime *rtd;
288 struct hdac_ext_link *link;
289 struct hdac_stream *hstream;
290 struct hdac_bus *bus;
291 int stream_tag;
292 int ret;
293
294 hstream = substream->runtime->private_data;
295 bus = hstream->bus;
296 rtd = snd_pcm_substream_chip(substream);
297
298 link = snd_hdac_ext_bus_get_link(bus, rtd->codec_dai->component->name);
299 if (!link)
300 return -EINVAL;
301
302 hda_stream = hstream_to_sof_hda_stream(link_dev);
303
304 dev_dbg(dai->dev, "In %s cmd=%d\n", __func__, cmd);
305 switch (cmd) {
306 case SNDRV_PCM_TRIGGER_RESUME:
307 /* set up hw_params */
308 ret = hda_link_pcm_prepare(substream, dai);
309 if (ret < 0) {
310 dev_err(dai->dev,
311 "error: setting up hw_params during resume\n");
312 return ret;
313 }
314
315 /* fallthrough */
316 case SNDRV_PCM_TRIGGER_START:
317 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
318 snd_hdac_ext_link_stream_start(link_dev);
319 break;
320 case SNDRV_PCM_TRIGGER_SUSPEND:
321 case SNDRV_PCM_TRIGGER_STOP:
322 /*
323 * clear link DMA channel. It will be assigned when
324 * hw_params is set up again after resume.
325 */
326 ret = hda_link_config_ipc(hda_stream, dai->name,
327 DMA_CHAN_INVALID, substream->stream);
328 if (ret < 0)
329 return ret;
330
331 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
332 stream_tag = hdac_stream(link_dev)->stream_tag;
333 snd_hdac_ext_link_clear_stream_id(link, stream_tag);
334 }
335
336 link_dev->link_prepared = 0;
337
338 /* fallthrough */
339 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
340 snd_hdac_ext_link_stream_clear(link_dev);
341 break;
342 default:
343 return -EINVAL;
344 }
345 return 0;
346}
347
348static int hda_link_hw_free(struct snd_pcm_substream *substream,
349 struct snd_soc_dai *dai)
350{
351 unsigned int stream_tag;
352 struct sof_intel_hda_stream *hda_stream;
353 struct hdac_bus *bus;
354 struct hdac_ext_link *link;
355 struct hdac_stream *hstream;
356 struct snd_soc_pcm_runtime *rtd;
357 struct hdac_ext_stream *link_dev;
358 int ret;
359
360 hstream = substream->runtime->private_data;
361 bus = hstream->bus;
362 rtd = snd_pcm_substream_chip(substream);
363 link_dev = snd_soc_dai_get_dma_data(dai, substream);
364 hda_stream = hstream_to_sof_hda_stream(link_dev);
365
366 /* free the link DMA channel in the FW */
367 ret = hda_link_config_ipc(hda_stream, dai->name, DMA_CHAN_INVALID,
368 substream->stream);
369 if (ret < 0)
370 return ret;
371
372 link = snd_hdac_ext_bus_get_link(bus, rtd->codec_dai->component->name);
373 if (!link)
374 return -EINVAL;
375
376 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
377 stream_tag = hdac_stream(link_dev)->stream_tag;
378 snd_hdac_ext_link_clear_stream_id(link, stream_tag);
379 }
380
381 snd_soc_dai_set_dma_data(dai, substream, NULL);
382 snd_hdac_ext_stream_release(link_dev, HDAC_EXT_STREAM_TYPE_LINK);
383 link_dev->link_prepared = 0;
384
385 /* free the host DMA channel reserved by hostless streams */
386 hda_stream->host_reserved = 0;
387
388 return 0;
389}
390
391static const struct snd_soc_dai_ops hda_link_dai_ops = {
392 .hw_params = hda_link_hw_params,
393 .hw_free = hda_link_hw_free,
394 .trigger = hda_link_pcm_trigger,
395 .prepare = hda_link_pcm_prepare,
396};
397#endif
398
399/*
400 * common dai driver for skl+ platforms.
401 * some products who use this DAI array only physically have a subset of
402 * the DAIs, but no harm is done here by adding the whole set.
403 */
404struct snd_soc_dai_driver skl_dai[] = {
405{
406 .name = "SSP0 Pin",
407},
408{
409 .name = "SSP1 Pin",
410},
411{
412 .name = "SSP2 Pin",
413},
414{
415 .name = "SSP3 Pin",
416},
417{
418 .name = "SSP4 Pin",
419},
420{
421 .name = "SSP5 Pin",
422},
423{
424 .name = "DMIC01 Pin",
425},
426{
427 .name = "DMIC16k Pin",
428},
429#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
430{
431 .name = "iDisp1 Pin",
432 .ops = &hda_link_dai_ops,
433},
434{
435 .name = "iDisp2 Pin",
436 .ops = &hda_link_dai_ops,
437},
438{
439 .name = "iDisp3 Pin",
440 .ops = &hda_link_dai_ops,
441},
442{
443 .name = "Analog CPU DAI",
444 .ops = &hda_link_dai_ops,
445},
446{
447 .name = "Digital CPU DAI",
448 .ops = &hda_link_dai_ops,
449},
450{
451 .name = "Alt Analog CPU DAI",
452 .ops = &hda_link_dai_ops,
453},
454#endif
455};