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13#include <linux/pm_runtime.h>
14#include <sound/pcm_params.h>
15#include <sound/sof.h>
16#include "sof-priv.h"
17#include "sof-audio.h"
18#include "ops.h"
19#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
20#include "compress.h"
21#endif
22
23
24static int create_page_table(struct snd_soc_component *component,
25 struct snd_pcm_substream *substream,
26 unsigned char *dma_area, size_t size)
27{
28 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
29 struct snd_sof_pcm *spcm;
30 struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream);
31 int stream = substream->stream;
32
33 spcm = snd_sof_find_spcm_dai(component, rtd);
34 if (!spcm)
35 return -EINVAL;
36
37 return snd_sof_create_page_table(component->dev, dmab,
38 spcm->stream[stream].page_table.area, size);
39}
40
41static int sof_pcm_dsp_params(struct snd_sof_pcm *spcm, struct snd_pcm_substream *substream,
42 const struct sof_ipc_pcm_params_reply *reply)
43{
44 struct snd_soc_component *scomp = spcm->scomp;
45 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
46
47
48 int ret = snd_sof_ipc_pcm_params(sdev, substream, reply);
49
50 if (ret < 0)
51 dev_err(scomp->dev, "error: got wrong reply for PCM %d\n",
52 spcm->pcm.pcm_id);
53
54 return ret;
55}
56
57
58
59
60void snd_sof_pcm_period_elapsed_work(struct work_struct *work)
61{
62 struct snd_sof_pcm_stream *sps =
63 container_of(work, struct snd_sof_pcm_stream,
64 period_elapsed_work);
65
66 snd_pcm_period_elapsed(sps->substream);
67}
68
69
70
71
72void snd_sof_pcm_period_elapsed(struct snd_pcm_substream *substream)
73{
74 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
75 struct snd_soc_component *component =
76 snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
77 struct snd_sof_pcm *spcm;
78
79 spcm = snd_sof_find_spcm_dai(component, rtd);
80 if (!spcm) {
81 dev_err(component->dev,
82 "error: period elapsed for unknown stream!\n");
83 return;
84 }
85
86
87
88
89
90
91
92
93
94 schedule_work(&spcm->stream[substream->stream].period_elapsed_work);
95}
96EXPORT_SYMBOL(snd_sof_pcm_period_elapsed);
97
98static int sof_pcm_dsp_pcm_free(struct snd_pcm_substream *substream,
99 struct snd_sof_dev *sdev,
100 struct snd_sof_pcm *spcm)
101{
102 struct sof_ipc_stream stream;
103 struct sof_ipc_reply reply;
104 int ret;
105
106 stream.hdr.size = sizeof(stream);
107 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_FREE;
108 stream.comp_id = spcm->stream[substream->stream].comp_id;
109
110
111 ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
112 sizeof(stream), &reply, sizeof(reply));
113 if (!ret)
114 spcm->prepared[substream->stream] = false;
115
116 return ret;
117}
118
119static int sof_pcm_hw_params(struct snd_soc_component *component,
120 struct snd_pcm_substream *substream,
121 struct snd_pcm_hw_params *params)
122{
123 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
124 struct snd_pcm_runtime *runtime = substream->runtime;
125 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
126 struct snd_sof_pcm *spcm;
127 struct sof_ipc_pcm_params pcm;
128 struct sof_ipc_pcm_params_reply ipc_params_reply;
129 int ret;
130
131
132 if (rtd->dai_link->no_pcm)
133 return 0;
134
135 spcm = snd_sof_find_spcm_dai(component, rtd);
136 if (!spcm)
137 return -EINVAL;
138
139
140
141
142
143 if (spcm->prepared[substream->stream]) {
144 ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
145 if (ret < 0)
146 return ret;
147 }
148
149 dev_dbg(component->dev, "pcm: hw params stream %d dir %d\n",
150 spcm->pcm.pcm_id, substream->stream);
151
152 memset(&pcm, 0, sizeof(pcm));
153
154
155 if (runtime->buffer_changed) {
156 ret = create_page_table(component, substream, runtime->dma_area,
157 runtime->dma_bytes);
158 if (ret < 0)
159 return ret;
160 }
161
162
163 pcm.params.buffer.pages = PFN_UP(runtime->dma_bytes);
164
165
166 pcm.hdr.size = sizeof(pcm);
167 pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
168 pcm.comp_id = spcm->stream[substream->stream].comp_id;
169 pcm.params.hdr.size = sizeof(pcm.params);
170 pcm.params.buffer.phy_addr =
171 spcm->stream[substream->stream].page_table.addr;
172 pcm.params.buffer.size = runtime->dma_bytes;
173 pcm.params.direction = substream->stream;
174 pcm.params.sample_valid_bytes = params_width(params) >> 3;
175 pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
176 pcm.params.rate = params_rate(params);
177 pcm.params.channels = params_channels(params);
178 pcm.params.host_period_bytes = params_period_bytes(params);
179
180
181 ret = snd_pcm_format_physical_width(params_format(params));
182 if (ret < 0)
183 return ret;
184 pcm.params.sample_container_bytes = ret >> 3;
185
186
187 switch (params_format(params)) {
188 case SNDRV_PCM_FORMAT_S16:
189 pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
190 break;
191 case SNDRV_PCM_FORMAT_S24:
192 pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
193 break;
194 case SNDRV_PCM_FORMAT_S32:
195 pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
196 break;
197 case SNDRV_PCM_FORMAT_FLOAT:
198 pcm.params.frame_fmt = SOF_IPC_FRAME_FLOAT;
199 break;
200 default:
201 return -EINVAL;
202 }
203
204
205 ret = snd_sof_pcm_platform_hw_params(sdev,
206 substream,
207 params,
208 &pcm.params);
209 if (ret < 0) {
210 dev_err(component->dev, "error: platform hw params failed\n");
211 return ret;
212 }
213
214 dev_dbg(component->dev, "stream_tag %d", pcm.params.stream_tag);
215
216
217 ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
218 &ipc_params_reply, sizeof(ipc_params_reply));
219 if (ret < 0) {
220 dev_err(component->dev, "error: hw params ipc failed for stream %d\n",
221 pcm.params.stream_tag);
222 return ret;
223 }
224
225 ret = sof_pcm_dsp_params(spcm, substream, &ipc_params_reply);
226 if (ret < 0)
227 return ret;
228
229 spcm->prepared[substream->stream] = true;
230
231
232 memcpy(&spcm->params[substream->stream], params, sizeof(*params));
233
234 return ret;
235}
236
237static int sof_pcm_hw_free(struct snd_soc_component *component,
238 struct snd_pcm_substream *substream)
239{
240 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
241 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
242 struct snd_sof_pcm *spcm;
243 int ret, err = 0;
244
245
246 if (rtd->dai_link->no_pcm)
247 return 0;
248
249 spcm = snd_sof_find_spcm_dai(component, rtd);
250 if (!spcm)
251 return -EINVAL;
252
253 dev_dbg(component->dev, "pcm: free stream %d dir %d\n",
254 spcm->pcm.pcm_id, substream->stream);
255
256 if (spcm->prepared[substream->stream]) {
257 ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
258 if (ret < 0)
259 err = ret;
260 }
261
262 cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work);
263
264 ret = snd_sof_pcm_platform_hw_free(sdev, substream);
265 if (ret < 0) {
266 dev_err(component->dev, "error: platform hw free failed\n");
267 err = ret;
268 }
269
270 return err;
271}
272
273static int sof_pcm_prepare(struct snd_soc_component *component,
274 struct snd_pcm_substream *substream)
275{
276 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
277 struct snd_sof_pcm *spcm;
278 int ret;
279
280
281 if (rtd->dai_link->no_pcm)
282 return 0;
283
284 spcm = snd_sof_find_spcm_dai(component, rtd);
285 if (!spcm)
286 return -EINVAL;
287
288 if (spcm->prepared[substream->stream])
289 return 0;
290
291 dev_dbg(component->dev, "pcm: prepare stream %d dir %d\n",
292 spcm->pcm.pcm_id, substream->stream);
293
294
295 ret = sof_pcm_hw_params(component,
296 substream, &spcm->params[substream->stream]);
297 if (ret < 0) {
298 dev_err(component->dev,
299 "error: set pcm hw_params after resume\n");
300 return ret;
301 }
302
303 return 0;
304}
305
306
307
308
309
310static int sof_pcm_trigger(struct snd_soc_component *component,
311 struct snd_pcm_substream *substream, int cmd)
312{
313 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
314 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
315 struct snd_sof_pcm *spcm;
316 struct sof_ipc_stream stream;
317 struct sof_ipc_reply reply;
318 bool reset_hw_params = false;
319 bool ipc_first = false;
320 int ret;
321
322
323 if (rtd->dai_link->no_pcm)
324 return 0;
325
326 spcm = snd_sof_find_spcm_dai(component, rtd);
327 if (!spcm)
328 return -EINVAL;
329
330 dev_dbg(component->dev, "pcm: trigger stream %d dir %d cmd %d\n",
331 spcm->pcm.pcm_id, substream->stream, cmd);
332
333 stream.hdr.size = sizeof(stream);
334 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG;
335 stream.comp_id = spcm->stream[substream->stream].comp_id;
336
337 switch (cmd) {
338 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
339 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_PAUSE;
340 ipc_first = true;
341 break;
342 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
343 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_RELEASE;
344 break;
345 case SNDRV_PCM_TRIGGER_RESUME:
346 if (spcm->stream[substream->stream].suspend_ignored) {
347
348
349
350
351
352 spcm->stream[substream->stream].suspend_ignored = false;
353 return 0;
354 }
355
356
357 ret = sof_pcm_prepare(component, substream);
358 if (ret < 0) {
359 dev_err(component->dev,
360 "error: failed to set up hw_params upon resume\n");
361 return ret;
362 }
363
364 fallthrough;
365 case SNDRV_PCM_TRIGGER_START:
366 if (spcm->stream[substream->stream].suspend_ignored) {
367
368
369
370
371
372 spcm->stream[substream->stream].suspend_ignored = false;
373 return 0;
374 }
375 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_START;
376 break;
377 case SNDRV_PCM_TRIGGER_SUSPEND:
378 if (sdev->system_suspend_target == SOF_SUSPEND_S0IX &&
379 spcm->stream[substream->stream].d0i3_compatible) {
380
381
382
383
384
385
386 spcm->stream[substream->stream].suspend_ignored = true;
387 return 0;
388 }
389 fallthrough;
390 case SNDRV_PCM_TRIGGER_STOP:
391 stream.hdr.cmd |= SOF_IPC_STREAM_TRIG_STOP;
392 ipc_first = true;
393 reset_hw_params = true;
394 break;
395 default:
396 dev_err(component->dev, "error: unhandled trigger cmd %d\n",
397 cmd);
398 return -EINVAL;
399 }
400
401
402
403
404
405 if (!ipc_first)
406 snd_sof_pcm_platform_trigger(sdev, substream, cmd);
407
408
409 ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
410 sizeof(stream), &reply, sizeof(reply));
411
412
413 if (ipc_first)
414 snd_sof_pcm_platform_trigger(sdev, substream, cmd);
415
416
417 if (!ret && reset_hw_params)
418 ret = sof_pcm_dsp_pcm_free(substream, sdev, spcm);
419
420 return ret;
421}
422
423static snd_pcm_uframes_t sof_pcm_pointer(struct snd_soc_component *component,
424 struct snd_pcm_substream *substream)
425{
426 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
427 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
428 struct snd_sof_pcm *spcm;
429 snd_pcm_uframes_t host, dai;
430
431
432 if (rtd->dai_link->no_pcm)
433 return 0;
434
435
436 if (sof_ops(sdev)->pcm_pointer)
437 return sof_ops(sdev)->pcm_pointer(sdev, substream);
438
439 spcm = snd_sof_find_spcm_dai(component, rtd);
440 if (!spcm)
441 return -EINVAL;
442
443
444 host = bytes_to_frames(substream->runtime,
445 spcm->stream[substream->stream].posn.host_posn);
446 dai = bytes_to_frames(substream->runtime,
447 spcm->stream[substream->stream].posn.dai_posn);
448
449 dev_vdbg(component->dev,
450 "PCM: stream %d dir %d DMA position %lu DAI position %lu\n",
451 spcm->pcm.pcm_id, substream->stream, host, dai);
452
453 return host;
454}
455
456static int sof_pcm_open(struct snd_soc_component *component,
457 struct snd_pcm_substream *substream)
458{
459 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
460 struct snd_pcm_runtime *runtime = substream->runtime;
461 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
462 const struct snd_sof_dsp_ops *ops = sof_ops(sdev);
463 struct snd_sof_pcm *spcm;
464 struct snd_soc_tplg_stream_caps *caps;
465 int ret;
466
467
468 if (rtd->dai_link->no_pcm)
469 return 0;
470
471 spcm = snd_sof_find_spcm_dai(component, rtd);
472 if (!spcm)
473 return -EINVAL;
474
475 dev_dbg(component->dev, "pcm: open stream %d dir %d\n",
476 spcm->pcm.pcm_id, substream->stream);
477
478
479 caps = &spcm->pcm.caps[substream->stream];
480
481
482 runtime->hw.info = ops->hw_info;
483
484
485 runtime->hw.formats = le64_to_cpu(caps->formats);
486 runtime->hw.period_bytes_min = le32_to_cpu(caps->period_size_min);
487 runtime->hw.period_bytes_max = le32_to_cpu(caps->period_size_max);
488 runtime->hw.periods_min = le32_to_cpu(caps->periods_min);
489 runtime->hw.periods_max = le32_to_cpu(caps->periods_max);
490
491
492
493
494
495 runtime->hw.buffer_bytes_max = le32_to_cpu(caps->buffer_size_max);
496
497 dev_dbg(component->dev, "period min %zd max %zd bytes\n",
498 runtime->hw.period_bytes_min,
499 runtime->hw.period_bytes_max);
500 dev_dbg(component->dev, "period count %d max %d\n",
501 runtime->hw.periods_min,
502 runtime->hw.periods_max);
503 dev_dbg(component->dev, "buffer max %zd bytes\n",
504 runtime->hw.buffer_bytes_max);
505
506
507 substream->wait_time = 500;
508
509 spcm->stream[substream->stream].posn.host_posn = 0;
510 spcm->stream[substream->stream].posn.dai_posn = 0;
511 spcm->stream[substream->stream].substream = substream;
512 spcm->prepared[substream->stream] = false;
513
514 ret = snd_sof_pcm_platform_open(sdev, substream);
515 if (ret < 0)
516 dev_err(component->dev, "error: pcm open failed %d\n", ret);
517
518 return ret;
519}
520
521static int sof_pcm_close(struct snd_soc_component *component,
522 struct snd_pcm_substream *substream)
523{
524 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
525 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
526 struct snd_sof_pcm *spcm;
527 int err;
528
529
530 if (rtd->dai_link->no_pcm)
531 return 0;
532
533 spcm = snd_sof_find_spcm_dai(component, rtd);
534 if (!spcm)
535 return -EINVAL;
536
537 dev_dbg(component->dev, "pcm: close stream %d dir %d\n",
538 spcm->pcm.pcm_id, substream->stream);
539
540 err = snd_sof_pcm_platform_close(sdev, substream);
541 if (err < 0) {
542 dev_err(component->dev, "error: pcm close failed %d\n",
543 err);
544
545
546
547
548 }
549
550 return 0;
551}
552
553
554
555
556
557
558static int sof_pcm_new(struct snd_soc_component *component,
559 struct snd_soc_pcm_runtime *rtd)
560{
561 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
562 struct snd_sof_pcm *spcm;
563 struct snd_pcm *pcm = rtd->pcm;
564 struct snd_soc_tplg_stream_caps *caps;
565 int stream = SNDRV_PCM_STREAM_PLAYBACK;
566
567
568 spcm = snd_sof_find_spcm_dai(component, rtd);
569 if (!spcm) {
570 dev_warn(component->dev, "warn: can't find PCM with DAI ID %d\n",
571 rtd->dai_link->id);
572 return 0;
573 }
574
575 dev_dbg(component->dev, "creating new PCM %s\n", spcm->pcm.pcm_name);
576
577
578 if (!spcm->pcm.playback)
579 goto capture;
580
581 caps = &spcm->pcm.caps[stream];
582
583
584 dev_dbg(component->dev,
585 "spcm: allocate %s playback DMA buffer size 0x%x max 0x%x\n",
586 caps->name, caps->buffer_size_min, caps->buffer_size_max);
587
588 if (!pcm->streams[stream].substream) {
589 dev_err(component->dev, "error: NULL playback substream!\n");
590 return -EINVAL;
591 }
592
593 snd_pcm_set_managed_buffer(pcm->streams[stream].substream,
594 SNDRV_DMA_TYPE_DEV_SG, sdev->dev,
595 0, le32_to_cpu(caps->buffer_size_max));
596capture:
597 stream = SNDRV_PCM_STREAM_CAPTURE;
598
599
600 if (!spcm->pcm.capture)
601 return 0;
602
603 caps = &spcm->pcm.caps[stream];
604
605
606 dev_dbg(component->dev,
607 "spcm: allocate %s capture DMA buffer size 0x%x max 0x%x\n",
608 caps->name, caps->buffer_size_min, caps->buffer_size_max);
609
610 if (!pcm->streams[stream].substream) {
611 dev_err(component->dev, "error: NULL capture substream!\n");
612 return -EINVAL;
613 }
614
615 snd_pcm_set_managed_buffer(pcm->streams[stream].substream,
616 SNDRV_DMA_TYPE_DEV_SG, sdev->dev,
617 0, le32_to_cpu(caps->buffer_size_max));
618
619 return 0;
620}
621
622static void ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
623 struct snd_pcm_hw_params *params)
624{
625 struct sof_ipc_dai_config *config;
626 struct snd_sof_dai *dai;
627 int i;
628
629
630
631
632
633 list_for_each_entry(dai, &sdev->dai_list, list) {
634 if (!dai->name || strcmp(link_name, dai->name))
635 continue;
636 for (i = 0; i < dai->number_configs; i++) {
637 config = &dai->dai_config[i];
638 if (config->ssp.fsync_rate == params_rate(params)) {
639 dev_dbg(sdev->dev, "DAI config %d matches pcm hw params\n", i);
640 dai->current_config = i;
641 break;
642 }
643 }
644 }
645}
646
647
648int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params)
649{
650 struct snd_interval *rate = hw_param_interval(params,
651 SNDRV_PCM_HW_PARAM_RATE);
652 struct snd_interval *channels = hw_param_interval(params,
653 SNDRV_PCM_HW_PARAM_CHANNELS);
654 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
655 struct snd_soc_component *component =
656 snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
657 struct snd_sof_dai *dai =
658 snd_sof_find_dai(component, (char *)rtd->dai_link->name);
659 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
660 struct snd_soc_dpcm *dpcm;
661
662
663 if (!dai) {
664 dev_warn(component->dev,
665 "warning: no topology found for BE DAI %s config\n",
666 rtd->dai_link->name);
667
668
669 rate->min = 48000;
670 rate->max = 48000;
671
672 channels->min = 2;
673 channels->max = 2;
674
675 snd_mask_none(fmt);
676 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
677
678 return 0;
679 }
680
681
682 snd_mask_none(fmt);
683
684 switch (dai->comp_dai.config.frame_fmt) {
685 case SOF_IPC_FRAME_S16_LE:
686 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
687 break;
688 case SOF_IPC_FRAME_S24_4LE:
689 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
690 break;
691 case SOF_IPC_FRAME_S32_LE:
692 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
693 break;
694 default:
695 dev_err(component->dev, "error: No available DAI format!\n");
696 return -EINVAL;
697 }
698
699
700 switch (dai->dai_config->type) {
701 case SOF_DAI_INTEL_SSP:
702
703 ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params);
704
705 rate->min = dai->dai_config[dai->current_config].ssp.fsync_rate;
706 rate->max = dai->dai_config[dai->current_config].ssp.fsync_rate;
707 channels->min = dai->dai_config[dai->current_config].ssp.tdm_slots;
708 channels->max = dai->dai_config[dai->current_config].ssp.tdm_slots;
709
710 dev_dbg(component->dev,
711 "rate_min: %d rate_max: %d\n", rate->min, rate->max);
712 dev_dbg(component->dev,
713 "channels_min: %d channels_max: %d\n",
714 channels->min, channels->max);
715
716 break;
717 case SOF_DAI_INTEL_DMIC:
718
719 if (dai->comp_dai.config.frame_fmt == SOF_IPC_FRAME_S24_4LE) {
720 dev_err(component->dev,
721 "error: invalid fmt %d for DAI type %d\n",
722 dai->comp_dai.config.frame_fmt,
723 dai->dai_config->type);
724 }
725 break;
726 case SOF_DAI_INTEL_HDA:
727
728
729
730
731 for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_PLAYBACK, dpcm) {
732 struct snd_soc_pcm_runtime *fe = dpcm->fe;
733
734 fe->dai_link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
735 SND_SOC_DPCM_TRIGGER_POST;
736 }
737 break;
738 case SOF_DAI_INTEL_ALH:
739
740
741
742
743 channels->min = dai->dai_config->alh.channels;
744 channels->max = dai->dai_config->alh.channels;
745 break;
746 case SOF_DAI_IMX_ESAI:
747 rate->min = dai->dai_config->esai.fsync_rate;
748 rate->max = dai->dai_config->esai.fsync_rate;
749 channels->min = dai->dai_config->esai.tdm_slots;
750 channels->max = dai->dai_config->esai.tdm_slots;
751
752 dev_dbg(component->dev,
753 "rate_min: %d rate_max: %d\n", rate->min, rate->max);
754 dev_dbg(component->dev,
755 "channels_min: %d channels_max: %d\n",
756 channels->min, channels->max);
757 break;
758 case SOF_DAI_IMX_SAI:
759 rate->min = dai->dai_config->sai.fsync_rate;
760 rate->max = dai->dai_config->sai.fsync_rate;
761 channels->min = dai->dai_config->sai.tdm_slots;
762 channels->max = dai->dai_config->sai.tdm_slots;
763
764 dev_dbg(component->dev,
765 "rate_min: %d rate_max: %d\n", rate->min, rate->max);
766 dev_dbg(component->dev,
767 "channels_min: %d channels_max: %d\n",
768 channels->min, channels->max);
769 break;
770 default:
771 dev_err(component->dev, "error: invalid DAI type %d\n",
772 dai->dai_config->type);
773 break;
774 }
775
776 return 0;
777}
778EXPORT_SYMBOL(sof_pcm_dai_link_fixup);
779
780static int sof_pcm_probe(struct snd_soc_component *component)
781{
782 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
783 struct snd_sof_pdata *plat_data = sdev->pdata;
784 const char *tplg_filename;
785 int ret;
786
787
788 sdev->component = component;
789
790 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL,
791 "%s/%s",
792 plat_data->tplg_filename_prefix,
793 plat_data->tplg_filename);
794 if (!tplg_filename)
795 return -ENOMEM;
796
797 ret = snd_sof_load_topology(component, tplg_filename);
798 if (ret < 0) {
799 dev_err(component->dev, "error: failed to load DSP topology %d\n",
800 ret);
801 return ret;
802 }
803
804 return ret;
805}
806
807static void sof_pcm_remove(struct snd_soc_component *component)
808{
809
810 snd_soc_tplg_component_remove(component);
811}
812
813void snd_sof_new_platform_drv(struct snd_sof_dev *sdev)
814{
815 struct snd_soc_component_driver *pd = &sdev->plat_drv;
816 struct snd_sof_pdata *plat_data = sdev->pdata;
817 const char *drv_name;
818
819 drv_name = plat_data->machine->drv_name;
820
821 pd->name = "sof-audio-component";
822 pd->probe = sof_pcm_probe;
823 pd->remove = sof_pcm_remove;
824 pd->open = sof_pcm_open;
825 pd->close = sof_pcm_close;
826 pd->hw_params = sof_pcm_hw_params;
827 pd->prepare = sof_pcm_prepare;
828 pd->hw_free = sof_pcm_hw_free;
829 pd->trigger = sof_pcm_trigger;
830 pd->pointer = sof_pcm_pointer;
831
832#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMPRESS)
833 pd->compress_ops = &sof_compressed_ops;
834#endif
835#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES)
836
837 pd->compress_ops = &sof_probe_compressed_ops;
838#endif
839 pd->pcm_construct = sof_pcm_new;
840 pd->ignore_machine = drv_name;
841 pd->be_hw_params_fixup = sof_pcm_dai_link_fixup;
842 pd->be_pcm_base = SOF_BE_PCM_BASE;
843 pd->use_dai_pcm_id = true;
844 pd->topology_name_prefix = "sof";
845
846
847 pd->module_get_upon_open = 1;
848}
849