2 * soc-compress.c -- ALSA SoC Compress
4 * Copyright (C) 2012 Intel Corp.
6 * Authors: Namarta Kohli <namartax.kohli@intel.com>
7 * Ramesh Babu K V <ramesh.babu@linux.intel.com>
8 * Vinod Koul <vinod.koul@linux.intel.com>
10 * This program is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by the
12 * Free Software Foundation; either version 2 of the License, or (at your
13 * option) any later version.
17 #include <linux/kernel.h>
18 #include <linux/init.h>
19 #include <linux/delay.h>
20 #include <linux/slab.h>
21 #include <linux/workqueue.h>
22 #include <sound/core.h>
23 #include <sound/compress_params.h>
24 #include <sound/compress_driver.h>
25 #include <sound/soc.h>
26 #include <sound/initval.h>
27 #include <sound/soc-dpcm.h>
29 static int soc_compr_open(struct snd_compr_stream
*cstream
)
31 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
32 struct snd_soc_platform
*platform
= rtd
->platform
;
35 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
37 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->open
) {
38 ret
= platform
->driver
->compr_ops
->open(cstream
);
40 pr_err("compress asoc: can't open platform %s\n",
41 platform
->component
.name
);
46 if (rtd
->dai_link
->compr_ops
&& rtd
->dai_link
->compr_ops
->startup
) {
47 ret
= rtd
->dai_link
->compr_ops
->startup(cstream
);
49 pr_err("compress asoc: %s startup failed\n", rtd
->dai_link
->name
);
54 snd_soc_runtime_activate(rtd
, cstream
->direction
);
56 mutex_unlock(&rtd
->pcm_mutex
);
61 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->free
)
62 platform
->driver
->compr_ops
->free(cstream
);
64 mutex_unlock(&rtd
->pcm_mutex
);
68 static int soc_compr_open_fe(struct snd_compr_stream
*cstream
)
70 struct snd_soc_pcm_runtime
*fe
= cstream
->private_data
;
71 struct snd_pcm_substream
*fe_substream
= fe
->pcm
->streams
[0].substream
;
72 struct snd_soc_platform
*platform
= fe
->platform
;
73 struct snd_soc_dpcm
*dpcm
;
74 struct snd_soc_dapm_widget_list
*list
;
78 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
)
79 stream
= SNDRV_PCM_STREAM_PLAYBACK
;
81 stream
= SNDRV_PCM_STREAM_CAPTURE
;
83 mutex_lock_nested(&fe
->card
->mutex
, SND_SOC_CARD_CLASS_RUNTIME
);
85 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->open
) {
86 ret
= platform
->driver
->compr_ops
->open(cstream
);
88 pr_err("compress asoc: can't open platform %s\n",
89 platform
->component
.name
);
94 if (fe
->dai_link
->compr_ops
&& fe
->dai_link
->compr_ops
->startup
) {
95 ret
= fe
->dai_link
->compr_ops
->startup(cstream
);
97 pr_err("compress asoc: %s startup failed\n", fe
->dai_link
->name
);
102 fe
->dpcm
[stream
].runtime
= fe_substream
->runtime
;
104 ret
= dpcm_path_get(fe
, stream
, &list
);
108 dev_dbg(fe
->dev
, "ASoC: %s no valid %s route\n",
109 fe
->dai_link
->name
, stream
? "capture" : "playback");
111 /* calculate valid and active FE <-> BE dpcms */
112 dpcm_process_paths(fe
, stream
, &list
, 1);
114 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_FE
;
116 ret
= dpcm_be_dai_startup(fe
, stream
);
118 /* clean up all links */
119 list_for_each_entry(dpcm
, &fe
->dpcm
[stream
].be_clients
, list_be
)
120 dpcm
->state
= SND_SOC_DPCM_LINK_STATE_FREE
;
122 dpcm_be_disconnect(fe
, stream
);
123 fe
->dpcm
[stream
].runtime
= NULL
;
127 dpcm_clear_pending_state(fe
, stream
);
128 dpcm_path_put(&list
);
130 fe
->dpcm
[stream
].state
= SND_SOC_DPCM_STATE_OPEN
;
131 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_NO
;
133 snd_soc_runtime_activate(fe
, stream
);
135 mutex_unlock(&fe
->card
->mutex
);
140 if (fe
->dai_link
->compr_ops
&& fe
->dai_link
->compr_ops
->shutdown
)
141 fe
->dai_link
->compr_ops
->shutdown(cstream
);
143 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->free
)
144 platform
->driver
->compr_ops
->free(cstream
);
146 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_NO
;
147 mutex_unlock(&fe
->card
->mutex
);
152 * Power down the audio subsystem pmdown_time msecs after close is called.
153 * This is to ensure there are no pops or clicks in between any music tracks
154 * due to DAPM power cycling.
156 static void close_delayed_work(struct work_struct
*work
)
158 struct snd_soc_pcm_runtime
*rtd
=
159 container_of(work
, struct snd_soc_pcm_runtime
, delayed_work
.work
);
160 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
162 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
164 dev_dbg(rtd
->dev
, "ASoC: pop wq checking: %s status: %s waiting: %s\n",
165 codec_dai
->driver
->playback
.stream_name
,
166 codec_dai
->playback_active
? "active" : "inactive",
167 rtd
->pop_wait
? "yes" : "no");
169 /* are we waiting on this codec DAI stream */
170 if (rtd
->pop_wait
== 1) {
172 snd_soc_dapm_stream_event(rtd
, SNDRV_PCM_STREAM_PLAYBACK
,
173 SND_SOC_DAPM_STREAM_STOP
);
176 mutex_unlock(&rtd
->pcm_mutex
);
179 static int soc_compr_free(struct snd_compr_stream
*cstream
)
181 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
182 struct snd_soc_platform
*platform
= rtd
->platform
;
183 struct snd_soc_dai
*cpu_dai
= rtd
->cpu_dai
;
184 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
187 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
189 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
)
190 stream
= SNDRV_PCM_STREAM_PLAYBACK
;
192 stream
= SNDRV_PCM_STREAM_CAPTURE
;
194 snd_soc_runtime_deactivate(rtd
, stream
);
196 snd_soc_dai_digital_mute(codec_dai
, 1, cstream
->direction
);
198 if (!cpu_dai
->active
)
201 if (!codec_dai
->active
)
205 if (rtd
->dai_link
->compr_ops
&& rtd
->dai_link
->compr_ops
->shutdown
)
206 rtd
->dai_link
->compr_ops
->shutdown(cstream
);
208 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->free
)
209 platform
->driver
->compr_ops
->free(cstream
);
211 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
) {
212 if (snd_soc_runtime_ignore_pmdown_time(rtd
)) {
213 snd_soc_dapm_stream_event(rtd
,
214 SNDRV_PCM_STREAM_PLAYBACK
,
215 SND_SOC_DAPM_STREAM_STOP
);
218 queue_delayed_work(system_power_efficient_wq
,
220 msecs_to_jiffies(rtd
->pmdown_time
));
223 /* capture streams can be powered down now */
224 snd_soc_dapm_stream_event(rtd
,
225 SNDRV_PCM_STREAM_CAPTURE
,
226 SND_SOC_DAPM_STREAM_STOP
);
229 mutex_unlock(&rtd
->pcm_mutex
);
233 static int soc_compr_free_fe(struct snd_compr_stream
*cstream
)
235 struct snd_soc_pcm_runtime
*fe
= cstream
->private_data
;
236 struct snd_soc_platform
*platform
= fe
->platform
;
237 struct snd_soc_dpcm
*dpcm
;
240 mutex_lock_nested(&fe
->card
->mutex
, SND_SOC_CARD_CLASS_RUNTIME
);
242 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
)
243 stream
= SNDRV_PCM_STREAM_PLAYBACK
;
245 stream
= SNDRV_PCM_STREAM_CAPTURE
;
247 snd_soc_runtime_deactivate(fe
, stream
);
249 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_FE
;
251 ret
= dpcm_be_dai_hw_free(fe
, stream
);
253 dev_err(fe
->dev
, "compressed hw_free failed %d\n", ret
);
255 ret
= dpcm_be_dai_shutdown(fe
, stream
);
257 /* mark FE's links ready to prune */
258 list_for_each_entry(dpcm
, &fe
->dpcm
[stream
].be_clients
, list_be
)
259 dpcm
->state
= SND_SOC_DPCM_LINK_STATE_FREE
;
261 if (stream
== SNDRV_PCM_STREAM_PLAYBACK
)
262 dpcm_dapm_stream_event(fe
, stream
, SND_SOC_DAPM_STREAM_STOP
);
264 dpcm_dapm_stream_event(fe
, stream
, SND_SOC_DAPM_STREAM_STOP
);
266 fe
->dpcm
[stream
].state
= SND_SOC_DPCM_STATE_CLOSE
;
267 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_NO
;
269 dpcm_be_disconnect(fe
, stream
);
271 fe
->dpcm
[stream
].runtime
= NULL
;
273 if (fe
->dai_link
->compr_ops
&& fe
->dai_link
->compr_ops
->shutdown
)
274 fe
->dai_link
->compr_ops
->shutdown(cstream
);
276 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->free
)
277 platform
->driver
->compr_ops
->free(cstream
);
279 mutex_unlock(&fe
->card
->mutex
);
283 static int soc_compr_trigger(struct snd_compr_stream
*cstream
, int cmd
)
286 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
287 struct snd_soc_platform
*platform
= rtd
->platform
;
288 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
291 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
293 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->trigger
) {
294 ret
= platform
->driver
->compr_ops
->trigger(cstream
, cmd
);
300 case SNDRV_PCM_TRIGGER_START
:
301 snd_soc_dai_digital_mute(codec_dai
, 0, cstream
->direction
);
303 case SNDRV_PCM_TRIGGER_STOP
:
304 snd_soc_dai_digital_mute(codec_dai
, 1, cstream
->direction
);
309 mutex_unlock(&rtd
->pcm_mutex
);
313 static int soc_compr_trigger_fe(struct snd_compr_stream
*cstream
, int cmd
)
315 struct snd_soc_pcm_runtime
*fe
= cstream
->private_data
;
316 struct snd_soc_platform
*platform
= fe
->platform
;
319 if (cmd
== SND_COMPR_TRIGGER_PARTIAL_DRAIN
||
320 cmd
== SND_COMPR_TRIGGER_DRAIN
) {
322 if (platform
->driver
->compr_ops
&&
323 platform
->driver
->compr_ops
->trigger
)
324 return platform
->driver
->compr_ops
->trigger(cstream
,
328 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
)
329 stream
= SNDRV_PCM_STREAM_PLAYBACK
;
331 stream
= SNDRV_PCM_STREAM_CAPTURE
;
334 mutex_lock_nested(&fe
->card
->mutex
, SND_SOC_CARD_CLASS_RUNTIME
);
336 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->trigger
) {
337 ret
= platform
->driver
->compr_ops
->trigger(cstream
, cmd
);
342 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_FE
;
344 ret
= dpcm_be_dai_trigger(fe
, stream
, cmd
);
347 case SNDRV_PCM_TRIGGER_START
:
348 case SNDRV_PCM_TRIGGER_RESUME
:
349 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE
:
350 fe
->dpcm
[stream
].state
= SND_SOC_DPCM_STATE_START
;
352 case SNDRV_PCM_TRIGGER_STOP
:
353 case SNDRV_PCM_TRIGGER_SUSPEND
:
354 fe
->dpcm
[stream
].state
= SND_SOC_DPCM_STATE_STOP
;
356 case SNDRV_PCM_TRIGGER_PAUSE_PUSH
:
357 fe
->dpcm
[stream
].state
= SND_SOC_DPCM_STATE_PAUSED
;
362 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_NO
;
363 mutex_unlock(&fe
->card
->mutex
);
367 static int soc_compr_set_params(struct snd_compr_stream
*cstream
,
368 struct snd_compr_params
*params
)
370 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
371 struct snd_soc_platform
*platform
= rtd
->platform
;
374 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
376 /* first we call set_params for the platform driver
377 * this should configure the soc side
378 * if the machine has compressed ops then we call that as well
379 * expectation is that platform and machine will configure everything
380 * for this compress path, like configuring pcm port for codec
382 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->set_params
) {
383 ret
= platform
->driver
->compr_ops
->set_params(cstream
, params
);
388 if (rtd
->dai_link
->compr_ops
&& rtd
->dai_link
->compr_ops
->set_params
) {
389 ret
= rtd
->dai_link
->compr_ops
->set_params(cstream
);
394 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
)
395 snd_soc_dapm_stream_event(rtd
, SNDRV_PCM_STREAM_PLAYBACK
,
396 SND_SOC_DAPM_STREAM_START
);
398 snd_soc_dapm_stream_event(rtd
, SNDRV_PCM_STREAM_CAPTURE
,
399 SND_SOC_DAPM_STREAM_START
);
401 /* cancel any delayed stream shutdown that is pending */
403 mutex_unlock(&rtd
->pcm_mutex
);
405 cancel_delayed_work_sync(&rtd
->delayed_work
);
410 mutex_unlock(&rtd
->pcm_mutex
);
414 static int soc_compr_set_params_fe(struct snd_compr_stream
*cstream
,
415 struct snd_compr_params
*params
)
417 struct snd_soc_pcm_runtime
*fe
= cstream
->private_data
;
418 struct snd_pcm_substream
*fe_substream
= fe
->pcm
->streams
[0].substream
;
419 struct snd_soc_platform
*platform
= fe
->platform
;
422 if (cstream
->direction
== SND_COMPRESS_PLAYBACK
)
423 stream
= SNDRV_PCM_STREAM_PLAYBACK
;
425 stream
= SNDRV_PCM_STREAM_CAPTURE
;
427 mutex_lock_nested(&fe
->card
->mutex
, SND_SOC_CARD_CLASS_RUNTIME
);
429 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->set_params
) {
430 ret
= platform
->driver
->compr_ops
->set_params(cstream
, params
);
435 if (fe
->dai_link
->compr_ops
&& fe
->dai_link
->compr_ops
->set_params
) {
436 ret
= fe
->dai_link
->compr_ops
->set_params(cstream
);
442 * Create an empty hw_params for the BE as the machine driver must
443 * fix this up to match DSP decoder and ASRC configuration.
444 * I.e. machine driver fixup for compressed BE is mandatory.
446 memset(&fe
->dpcm
[fe_substream
->stream
].hw_params
, 0,
447 sizeof(struct snd_pcm_hw_params
));
449 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_FE
;
451 ret
= dpcm_be_dai_hw_params(fe
, stream
);
455 ret
= dpcm_be_dai_prepare(fe
, stream
);
459 if (stream
== SNDRV_PCM_STREAM_PLAYBACK
)
460 dpcm_dapm_stream_event(fe
, stream
, SND_SOC_DAPM_STREAM_START
);
462 dpcm_dapm_stream_event(fe
, stream
, SND_SOC_DAPM_STREAM_START
);
464 fe
->dpcm
[stream
].state
= SND_SOC_DPCM_STATE_PREPARE
;
467 fe
->dpcm
[stream
].runtime_update
= SND_SOC_DPCM_UPDATE_NO
;
468 mutex_unlock(&fe
->card
->mutex
);
472 static int soc_compr_get_params(struct snd_compr_stream
*cstream
,
473 struct snd_codec
*params
)
475 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
476 struct snd_soc_platform
*platform
= rtd
->platform
;
479 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
481 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->get_params
)
482 ret
= platform
->driver
->compr_ops
->get_params(cstream
, params
);
484 mutex_unlock(&rtd
->pcm_mutex
);
488 static int soc_compr_get_caps(struct snd_compr_stream
*cstream
,
489 struct snd_compr_caps
*caps
)
491 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
492 struct snd_soc_platform
*platform
= rtd
->platform
;
495 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
497 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->get_caps
)
498 ret
= platform
->driver
->compr_ops
->get_caps(cstream
, caps
);
500 mutex_unlock(&rtd
->pcm_mutex
);
504 static int soc_compr_get_codec_caps(struct snd_compr_stream
*cstream
,
505 struct snd_compr_codec_caps
*codec
)
507 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
508 struct snd_soc_platform
*platform
= rtd
->platform
;
511 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
513 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->get_codec_caps
)
514 ret
= platform
->driver
->compr_ops
->get_codec_caps(cstream
, codec
);
516 mutex_unlock(&rtd
->pcm_mutex
);
520 static int soc_compr_ack(struct snd_compr_stream
*cstream
, size_t bytes
)
522 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
523 struct snd_soc_platform
*platform
= rtd
->platform
;
526 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
528 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->ack
)
529 ret
= platform
->driver
->compr_ops
->ack(cstream
, bytes
);
531 mutex_unlock(&rtd
->pcm_mutex
);
535 static int soc_compr_pointer(struct snd_compr_stream
*cstream
,
536 struct snd_compr_tstamp
*tstamp
)
538 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
539 struct snd_soc_platform
*platform
= rtd
->platform
;
541 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
543 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->pointer
)
544 platform
->driver
->compr_ops
->pointer(cstream
, tstamp
);
546 mutex_unlock(&rtd
->pcm_mutex
);
550 static int soc_compr_copy(struct snd_compr_stream
*cstream
,
551 char __user
*buf
, size_t count
)
553 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
554 struct snd_soc_platform
*platform
= rtd
->platform
;
557 mutex_lock_nested(&rtd
->pcm_mutex
, rtd
->pcm_subclass
);
559 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->copy
)
560 ret
= platform
->driver
->compr_ops
->copy(cstream
, buf
, count
);
562 mutex_unlock(&rtd
->pcm_mutex
);
566 static int soc_compr_set_metadata(struct snd_compr_stream
*cstream
,
567 struct snd_compr_metadata
*metadata
)
569 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
570 struct snd_soc_platform
*platform
= rtd
->platform
;
573 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->set_metadata
)
574 ret
= platform
->driver
->compr_ops
->set_metadata(cstream
, metadata
);
579 static int soc_compr_get_metadata(struct snd_compr_stream
*cstream
,
580 struct snd_compr_metadata
*metadata
)
582 struct snd_soc_pcm_runtime
*rtd
= cstream
->private_data
;
583 struct snd_soc_platform
*platform
= rtd
->platform
;
586 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->get_metadata
)
587 ret
= platform
->driver
->compr_ops
->get_metadata(cstream
, metadata
);
592 /* ASoC Compress operations */
593 static struct snd_compr_ops soc_compr_ops
= {
594 .open
= soc_compr_open
,
595 .free
= soc_compr_free
,
596 .set_params
= soc_compr_set_params
,
597 .set_metadata
= soc_compr_set_metadata
,
598 .get_metadata
= soc_compr_get_metadata
,
599 .get_params
= soc_compr_get_params
,
600 .trigger
= soc_compr_trigger
,
601 .pointer
= soc_compr_pointer
,
602 .ack
= soc_compr_ack
,
603 .get_caps
= soc_compr_get_caps
,
604 .get_codec_caps
= soc_compr_get_codec_caps
607 /* ASoC Dynamic Compress operations */
608 static struct snd_compr_ops soc_compr_dyn_ops
= {
609 .open
= soc_compr_open_fe
,
610 .free
= soc_compr_free_fe
,
611 .set_params
= soc_compr_set_params_fe
,
612 .get_params
= soc_compr_get_params
,
613 .set_metadata
= soc_compr_set_metadata
,
614 .get_metadata
= soc_compr_get_metadata
,
615 .trigger
= soc_compr_trigger_fe
,
616 .pointer
= soc_compr_pointer
,
617 .ack
= soc_compr_ack
,
618 .get_caps
= soc_compr_get_caps
,
619 .get_codec_caps
= soc_compr_get_codec_caps
622 /* create a new compress */
623 int soc_new_compress(struct snd_soc_pcm_runtime
*rtd
, int num
)
625 struct snd_soc_codec
*codec
= rtd
->codec
;
626 struct snd_soc_platform
*platform
= rtd
->platform
;
627 struct snd_soc_dai
*codec_dai
= rtd
->codec_dai
;
628 struct snd_soc_dai
*cpu_dai
= rtd
->cpu_dai
;
629 struct snd_compr
*compr
;
630 struct snd_pcm
*be_pcm
;
632 int ret
= 0, direction
= 0;
634 if (rtd
->num_codecs
> 1) {
635 dev_err(rtd
->card
->dev
, "Multicodec not supported for compressed stream\n");
639 /* check client and interface hw capabilities */
640 snprintf(new_name
, sizeof(new_name
), "%s %s-%d",
641 rtd
->dai_link
->stream_name
, codec_dai
->name
, num
);
643 if (codec_dai
->driver
->playback
.channels_min
)
644 direction
= SND_COMPRESS_PLAYBACK
;
645 else if (codec_dai
->driver
->capture
.channels_min
)
646 direction
= SND_COMPRESS_CAPTURE
;
650 compr
= kzalloc(sizeof(*compr
), GFP_KERNEL
);
652 snd_printk(KERN_ERR
"Cannot allocate compr\n");
656 compr
->ops
= devm_kzalloc(rtd
->card
->dev
, sizeof(soc_compr_ops
),
658 if (compr
->ops
== NULL
) {
659 dev_err(rtd
->card
->dev
, "Cannot allocate compressed ops\n");
664 if (rtd
->dai_link
->dynamic
) {
665 snprintf(new_name
, sizeof(new_name
), "(%s)",
666 rtd
->dai_link
->stream_name
);
668 ret
= snd_pcm_new_internal(rtd
->card
->snd_card
, new_name
, num
,
671 dev_err(rtd
->card
->dev
, "ASoC: can't create compressed for %s\n",
672 rtd
->dai_link
->name
);
678 be_pcm
->streams
[SNDRV_PCM_STREAM_PLAYBACK
].substream
->private_data
= rtd
;
679 be_pcm
->streams
[SNDRV_PCM_STREAM_CAPTURE
].substream
->private_data
= rtd
;
680 memcpy(compr
->ops
, &soc_compr_dyn_ops
, sizeof(soc_compr_dyn_ops
));
682 memcpy(compr
->ops
, &soc_compr_ops
, sizeof(soc_compr_ops
));
684 /* Add copy callback for not memory mapped DSPs */
685 if (platform
->driver
->compr_ops
&& platform
->driver
->compr_ops
->copy
)
686 compr
->ops
->copy
= soc_compr_copy
;
688 mutex_init(&compr
->lock
);
689 ret
= snd_compress_new(rtd
->card
->snd_card
, num
, direction
, compr
);
691 pr_err("compress asoc: can't create compress for codec %s\n",
692 codec
->component
.name
);
696 /* DAPM dai link stream work */
697 INIT_DELAYED_WORK(&rtd
->delayed_work
, close_delayed_work
);
700 compr
->private_data
= rtd
;
702 printk(KERN_INFO
"compress asoc: %s <-> %s mapping ok\n", codec_dai
->name
,