blob: ddef4ff677cec20201f93e8fc460fa5dc08f5691 [file] [log] [blame]
Kuninori Morimotob3ed4c82018-07-02 06:24:57 +00001// SPDX-License-Identifier: GPL-2.0+
2//
3// soc-compress.c -- ALSA SoC Compress
4//
5// Copyright (C) 2012 Intel Corp.
6//
7// Authors: Namarta Kohli <namartax.kohli@intel.com>
8// Ramesh Babu K V <ramesh.babu@linux.intel.com>
9// Vinod Koul <vinod.koul@linux.intel.com>
Namarta Kohli1245b702012-08-16 17:10:41 +053010
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/delay.h>
14#include <linux/slab.h>
15#include <linux/workqueue.h>
16#include <sound/core.h>
17#include <sound/compress_params.h>
18#include <sound/compress_driver.h>
19#include <sound/soc.h>
20#include <sound/initval.h>
Liam Girdwood2a99ef02014-01-17 17:03:56 +000021#include <sound/soc-dpcm.h>
Namarta Kohli1245b702012-08-16 17:10:41 +053022
Charles Keepax1e57b822018-04-24 16:39:03 +010023static int soc_compr_components_open(struct snd_compr_stream *cstream,
24 struct snd_soc_component **last)
Namarta Kohli1245b702012-08-16 17:10:41 +053025{
26 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +000027 struct snd_soc_component *component;
28 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax1e57b822018-04-24 16:39:03 +010029 int ret;
30
31 for_each_rtdcom(rtd, rtdcom) {
32 component = rtdcom->component;
33
34 if (!component->driver->compr_ops ||
35 !component->driver->compr_ops->open)
36 continue;
37
38 ret = component->driver->compr_ops->open(cstream);
39 if (ret < 0) {
40 dev_err(component->dev,
41 "Compress ASoC: can't open platform %s: %d\n",
42 component->name, ret);
43
44 *last = component;
45 return ret;
46 }
47 }
48
49 *last = NULL;
50 return 0;
51}
52
53static int soc_compr_components_free(struct snd_compr_stream *cstream,
54 struct snd_soc_component *last)
55{
56 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
57 struct snd_soc_component *component;
58 struct snd_soc_rtdcom_list *rtdcom;
59
60 for_each_rtdcom(rtd, rtdcom) {
61 component = rtdcom->component;
62
63 if (component == last)
64 break;
65
66 if (!component->driver->compr_ops ||
67 !component->driver->compr_ops->free)
68 continue;
69
70 component->driver->compr_ops->free(cstream);
71 }
72
73 return 0;
74}
75
76static int soc_compr_open(struct snd_compr_stream *cstream)
77{
78 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
79 struct snd_soc_component *component;
Vinod Koul2e622ae2016-11-13 12:10:02 +053080 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Charles Keepax572e6c82018-04-24 16:39:01 +010081 int ret;
Namarta Kohli1245b702012-08-16 17:10:41 +053082
Charles Keepax15e2e612013-01-24 09:44:29 +000083 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
84
Vinod Koul2e622ae2016-11-13 12:10:02 +053085 if (cpu_dai->driver->cops && cpu_dai->driver->cops->startup) {
86 ret = cpu_dai->driver->cops->startup(cstream, cpu_dai);
87 if (ret < 0) {
Charles Keepax141dfc92018-01-26 13:08:45 +000088 dev_err(cpu_dai->dev,
89 "Compress ASoC: can't open interface %s: %d\n",
Vinod Koul2e622ae2016-11-13 12:10:02 +053090 cpu_dai->name, ret);
91 goto out;
92 }
93 }
94
Charles Keepax1e57b822018-04-24 16:39:03 +010095 ret = soc_compr_components_open(cstream, &component);
96 if (ret < 0)
97 goto machine_err;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +000098
Namarta Kohli1245b702012-08-16 17:10:41 +053099 if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->startup) {
100 ret = rtd->dai_link->compr_ops->startup(cstream);
101 if (ret < 0) {
Charles Keepax141dfc92018-01-26 13:08:45 +0000102 dev_err(rtd->dev,
103 "Compress ASoC: %s startup failed: %d\n",
104 rtd->dai_link->name, ret);
Namarta Kohli1245b702012-08-16 17:10:41 +0530105 goto machine_err;
106 }
107 }
108
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100109 snd_soc_runtime_activate(rtd, cstream->direction);
Namarta Kohli1245b702012-08-16 17:10:41 +0530110
Charles Keepax15e2e612013-01-24 09:44:29 +0000111 mutex_unlock(&rtd->pcm_mutex);
112
Namarta Kohli1245b702012-08-16 17:10:41 +0530113 return 0;
114
115machine_err:
Charles Keepax1e57b822018-04-24 16:39:03 +0100116 soc_compr_components_free(cstream, component);
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000117
Vinod Koul2e622ae2016-11-13 12:10:02 +0530118 if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
119 cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
Namarta Kohli1245b702012-08-16 17:10:41 +0530120out:
Charles Keepax15e2e612013-01-24 09:44:29 +0000121 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530122 return ret;
123}
124
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000125static int soc_compr_open_fe(struct snd_compr_stream *cstream)
126{
127 struct snd_soc_pcm_runtime *fe = cstream->private_data;
Satish Babu Patakokila01b8ced2017-06-16 17:33:40 -0700128 struct snd_pcm_substream *fe_substream =
129 fe->pcm->streams[cstream->direction].substream;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000130 struct snd_soc_component *component;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530131 struct snd_soc_dai *cpu_dai = fe->cpu_dai;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000132 struct snd_soc_dpcm *dpcm;
133 struct snd_soc_dapm_widget_list *list;
134 int stream;
Charles Keepax572e6c82018-04-24 16:39:01 +0100135 int ret;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000136
137 if (cstream->direction == SND_COMPRESS_PLAYBACK)
138 stream = SNDRV_PCM_STREAM_PLAYBACK;
139 else
140 stream = SNDRV_PCM_STREAM_CAPTURE;
141
142 mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
Srinivas Kandagatla0b0722e2018-08-03 13:30:03 +0100143 fe->dpcm[stream].runtime = fe_substream->runtime;
144
145 ret = dpcm_path_get(fe, stream, &list);
146 if (ret < 0)
147 goto be_err;
148 else if (ret == 0)
149 dev_dbg(fe->dev, "Compress ASoC: %s no valid %s route\n",
150 fe->dai_link->name, stream ? "capture" : "playback");
151 /* calculate valid and active FE <-> BE dpcms */
152 dpcm_process_paths(fe, stream, &list, 1);
153 fe->dpcm[stream].runtime = fe_substream->runtime;
154
155 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
156
157 ret = dpcm_be_dai_startup(fe, stream);
158 if (ret < 0) {
159 /* clean up all links */
Kuninori Morimoto8d6258a2018-09-18 01:31:09 +0000160 for_each_dpcm_be(fe, stream, dpcm)
Srinivas Kandagatla0b0722e2018-08-03 13:30:03 +0100161 dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
162
163 dpcm_be_disconnect(fe, stream);
164 fe->dpcm[stream].runtime = NULL;
165 goto out;
166 }
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000167
Vinod Koul2e622ae2016-11-13 12:10:02 +0530168 if (cpu_dai->driver->cops && cpu_dai->driver->cops->startup) {
169 ret = cpu_dai->driver->cops->startup(cstream, cpu_dai);
170 if (ret < 0) {
Charles Keepax141dfc92018-01-26 13:08:45 +0000171 dev_err(cpu_dai->dev,
172 "Compress ASoC: can't open interface %s: %d\n",
Vinod Koul2e622ae2016-11-13 12:10:02 +0530173 cpu_dai->name, ret);
174 goto out;
175 }
176 }
177
Charles Keepax1e57b822018-04-24 16:39:03 +0100178 ret = soc_compr_components_open(cstream, &component);
179 if (ret < 0)
Srinivas Kandagatla0b0722e2018-08-03 13:30:03 +0100180 goto open_err;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000181
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000182 if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) {
183 ret = fe->dai_link->compr_ops->startup(cstream);
184 if (ret < 0) {
Charles Keepax141dfc92018-01-26 13:08:45 +0000185 pr_err("Compress ASoC: %s startup failed: %d\n",
186 fe->dai_link->name, ret);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000187 goto machine_err;
188 }
189 }
190
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000191 dpcm_clear_pending_state(fe, stream);
192 dpcm_path_put(&list);
193
194 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN;
195 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
196
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100197 snd_soc_runtime_activate(fe, stream);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000198
199 mutex_unlock(&fe->card->mutex);
200
201 return 0;
202
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000203machine_err:
Charles Keepax1e57b822018-04-24 16:39:03 +0100204 soc_compr_components_free(cstream, component);
Srinivas Kandagatla0b0722e2018-08-03 13:30:03 +0100205open_err:
Vinod Koul2e622ae2016-11-13 12:10:02 +0530206 if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
207 cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000208out:
Srinivas Kandagatla0b0722e2018-08-03 13:30:03 +0100209 dpcm_path_put(&list);
210be_err:
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000211 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
212 mutex_unlock(&fe->card->mutex);
213 return ret;
214}
215
Charles Keepax202c8f72013-01-24 09:44:30 +0000216/*
217 * Power down the audio subsystem pmdown_time msecs after close is called.
218 * This is to ensure there are no pops or clicks in between any music tracks
219 * due to DAPM power cycling.
220 */
221static void close_delayed_work(struct work_struct *work)
222{
223 struct snd_soc_pcm_runtime *rtd =
224 container_of(work, struct snd_soc_pcm_runtime, delayed_work.work);
225 struct snd_soc_dai *codec_dai = rtd->codec_dai;
226
227 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
228
Charles Keepax141dfc92018-01-26 13:08:45 +0000229 dev_dbg(rtd->dev,
230 "Compress ASoC: pop wq checking: %s status: %s waiting: %s\n",
231 codec_dai->driver->playback.stream_name,
232 codec_dai->playback_active ? "active" : "inactive",
233 rtd->pop_wait ? "yes" : "no");
Charles Keepax202c8f72013-01-24 09:44:30 +0000234
235 /* are we waiting on this codec DAI stream */
236 if (rtd->pop_wait == 1) {
237 rtd->pop_wait = 0;
238 snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
239 SND_SOC_DAPM_STREAM_STOP);
240 }
241
242 mutex_unlock(&rtd->pcm_mutex);
243}
244
Namarta Kohli1245b702012-08-16 17:10:41 +0530245static int soc_compr_free(struct snd_compr_stream *cstream)
246{
247 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Namarta Kohli1245b702012-08-16 17:10:41 +0530248 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
249 struct snd_soc_dai *codec_dai = rtd->codec_dai;
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100250 int stream;
Namarta Kohli1245b702012-08-16 17:10:41 +0530251
Charles Keepax15e2e612013-01-24 09:44:29 +0000252 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
253
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100254 if (cstream->direction == SND_COMPRESS_PLAYBACK)
255 stream = SNDRV_PCM_STREAM_PLAYBACK;
256 else
257 stream = SNDRV_PCM_STREAM_CAPTURE;
258
259 snd_soc_runtime_deactivate(rtd, stream);
Namarta Kohli1245b702012-08-16 17:10:41 +0530260
Mark Brownda183962013-02-06 15:44:07 +0000261 snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
262
Namarta Kohli1245b702012-08-16 17:10:41 +0530263 if (!cpu_dai->active)
264 cpu_dai->rate = 0;
265
266 if (!codec_dai->active)
267 codec_dai->rate = 0;
268
Namarta Kohli1245b702012-08-16 17:10:41 +0530269 if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown)
270 rtd->dai_link->compr_ops->shutdown(cstream);
271
Charles Keepax1e57b822018-04-24 16:39:03 +0100272 soc_compr_components_free(cstream, NULL);
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000273
Vinod Koul2e622ae2016-11-13 12:10:02 +0530274 if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
275 cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
276
Namarta Kohli1245b702012-08-16 17:10:41 +0530277 if (cstream->direction == SND_COMPRESS_PLAYBACK) {
Lars-Peter Clausen208a1582014-03-05 13:17:42 +0100278 if (snd_soc_runtime_ignore_pmdown_time(rtd)) {
Namarta Kohli1245b702012-08-16 17:10:41 +0530279 snd_soc_dapm_stream_event(rtd,
Charles Keepax89027d92018-04-26 17:30:07 +0100280 SNDRV_PCM_STREAM_PLAYBACK,
281 SND_SOC_DAPM_STREAM_STOP);
Charles Keepax8c3d2aa2013-01-24 09:44:28 +0000282 } else {
Misael Lopez Cruz9bffb1f2012-12-13 12:23:05 -0600283 rtd->pop_wait = 1;
Mark Brown3d24cfe2013-08-09 18:12:29 +0100284 queue_delayed_work(system_power_efficient_wq,
285 &rtd->delayed_work,
286 msecs_to_jiffies(rtd->pmdown_time));
Charles Keepax8c3d2aa2013-01-24 09:44:28 +0000287 }
Namarta Kohli1245b702012-08-16 17:10:41 +0530288 } else {
289 /* capture streams can be powered down now */
290 snd_soc_dapm_stream_event(rtd,
Charles Keepax89027d92018-04-26 17:30:07 +0100291 SNDRV_PCM_STREAM_CAPTURE,
292 SND_SOC_DAPM_STREAM_STOP);
Namarta Kohli1245b702012-08-16 17:10:41 +0530293 }
294
Charles Keepax15e2e612013-01-24 09:44:29 +0000295 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530296 return 0;
297}
298
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000299static int soc_compr_free_fe(struct snd_compr_stream *cstream)
300{
301 struct snd_soc_pcm_runtime *fe = cstream->private_data;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530302 struct snd_soc_dai *cpu_dai = fe->cpu_dai;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000303 struct snd_soc_dpcm *dpcm;
304 int stream, ret;
305
306 mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
307
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100308 if (cstream->direction == SND_COMPRESS_PLAYBACK)
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000309 stream = SNDRV_PCM_STREAM_PLAYBACK;
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100310 else
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000311 stream = SNDRV_PCM_STREAM_CAPTURE;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000312
Lars-Peter Clausen24894b72014-03-05 13:17:43 +0100313 snd_soc_runtime_deactivate(fe, stream);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000314
315 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
316
317 ret = dpcm_be_dai_hw_free(fe, stream);
318 if (ret < 0)
Charles Keepax141dfc92018-01-26 13:08:45 +0000319 dev_err(fe->dev, "Compressed ASoC: hw_free failed: %d\n", ret);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000320
321 ret = dpcm_be_dai_shutdown(fe, stream);
322
323 /* mark FE's links ready to prune */
Kuninori Morimoto8d6258a2018-09-18 01:31:09 +0000324 for_each_dpcm_be(fe, stream, dpcm)
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000325 dpcm->state = SND_SOC_DPCM_LINK_STATE_FREE;
326
Daniel Mack15f6b092014-10-19 09:07:35 +0200327 dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000328
329 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE;
330 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
331
332 dpcm_be_disconnect(fe, stream);
333
334 fe->dpcm[stream].runtime = NULL;
335
336 if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown)
337 fe->dai_link->compr_ops->shutdown(cstream);
338
Charles Keepax1e57b822018-04-24 16:39:03 +0100339 soc_compr_components_free(cstream, NULL);
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000340
Vinod Koul2e622ae2016-11-13 12:10:02 +0530341 if (cpu_dai->driver->cops && cpu_dai->driver->cops->shutdown)
342 cpu_dai->driver->cops->shutdown(cstream, cpu_dai);
343
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000344 mutex_unlock(&fe->card->mutex);
345 return 0;
346}
347
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000348static int soc_compr_components_trigger(struct snd_compr_stream *cstream,
349 int cmd)
Namarta Kohli1245b702012-08-16 17:10:41 +0530350{
Namarta Kohli1245b702012-08-16 17:10:41 +0530351 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000352 struct snd_soc_component *component;
353 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000354 int ret;
Charles Keepax15e2e612013-01-24 09:44:29 +0000355
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000356 for_each_rtdcom(rtd, rtdcom) {
357 component = rtdcom->component;
358
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000359 if (!component->driver->compr_ops ||
360 !component->driver->compr_ops->trigger)
361 continue;
362
Charles Keepax52cadf12019-02-05 11:18:12 +0000363 ret = component->driver->compr_ops->trigger(cstream, cmd);
364 if (ret < 0)
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000365 return ret;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000366 }
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000367
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000368 return 0;
369}
370
371static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd)
372{
373 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
374 struct snd_soc_dai *codec_dai = rtd->codec_dai;
375 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
376 int ret;
377
378 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
379
380 ret = soc_compr_components_trigger(cstream, cmd);
381 if (ret < 0)
382 goto out;
383
Vinod Koul2e622ae2016-11-13 12:10:02 +0530384 if (cpu_dai->driver->cops && cpu_dai->driver->cops->trigger)
385 cpu_dai->driver->cops->trigger(cstream, cmd, cpu_dai);
386
Mark Brownda183962013-02-06 15:44:07 +0000387 switch (cmd) {
388 case SNDRV_PCM_TRIGGER_START:
389 snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction);
390 break;
391 case SNDRV_PCM_TRIGGER_STOP:
392 snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction);
393 break;
Mark Browne38b9b72013-02-06 13:52:42 +0000394 }
Namarta Kohli1245b702012-08-16 17:10:41 +0530395
Charles Keepax15e2e612013-01-24 09:44:29 +0000396out:
397 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530398 return ret;
399}
400
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000401static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd)
402{
403 struct snd_soc_pcm_runtime *fe = cstream->private_data;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530404 struct snd_soc_dai *cpu_dai = fe->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000405 int ret, stream;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000406
407 if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN ||
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000408 cmd == SND_COMPR_TRIGGER_DRAIN)
409 return soc_compr_components_trigger(cstream, cmd);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000410
411 if (cstream->direction == SND_COMPRESS_PLAYBACK)
412 stream = SNDRV_PCM_STREAM_PLAYBACK;
413 else
414 stream = SNDRV_PCM_STREAM_CAPTURE;
415
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000416 mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
417
Vinod Koul2e622ae2016-11-13 12:10:02 +0530418 if (cpu_dai->driver->cops && cpu_dai->driver->cops->trigger) {
419 ret = cpu_dai->driver->cops->trigger(cstream, cmd, cpu_dai);
420 if (ret < 0)
421 goto out;
422 }
423
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000424 ret = soc_compr_components_trigger(cstream, cmd);
425 if (ret < 0)
426 goto out;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000427
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000428 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
429
430 ret = dpcm_be_dai_trigger(fe, stream, cmd);
431
432 switch (cmd) {
433 case SNDRV_PCM_TRIGGER_START:
434 case SNDRV_PCM_TRIGGER_RESUME:
435 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
436 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_START;
437 break;
438 case SNDRV_PCM_TRIGGER_STOP:
439 case SNDRV_PCM_TRIGGER_SUSPEND:
440 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP;
441 break;
442 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
443 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED;
444 break;
445 }
446
447out:
448 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
449 mutex_unlock(&fe->card->mutex);
450 return ret;
451}
452
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000453static int soc_compr_components_set_params(struct snd_compr_stream *cstream,
454 struct snd_compr_params *params)
Namarta Kohli1245b702012-08-16 17:10:41 +0530455{
456 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000457 struct snd_soc_component *component;
458 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000459 int ret;
460
461 for_each_rtdcom(rtd, rtdcom) {
462 component = rtdcom->component;
463
464 if (!component->driver->compr_ops ||
465 !component->driver->compr_ops->set_params)
466 continue;
467
468 ret = component->driver->compr_ops->set_params(cstream, params);
469 if (ret < 0)
470 return ret;
471 }
472
473 return 0;
474}
475
476static int soc_compr_set_params(struct snd_compr_stream *cstream,
477 struct snd_compr_params *params)
478{
479 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530480 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000481 int ret;
Namarta Kohli1245b702012-08-16 17:10:41 +0530482
Charles Keepax15e2e612013-01-24 09:44:29 +0000483 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
484
Charles Keepaxef050be2018-04-24 16:39:02 +0100485 /*
486 * First we call set_params for the CPU DAI, then the component
487 * driver this should configure the SoC side. If the machine has
488 * compressed ops then we call that as well. The expectation is
489 * that these callbacks will configure everything for this compress
490 * path, like configuring a PCM port for a CODEC.
Namarta Kohli1245b702012-08-16 17:10:41 +0530491 */
Vinod Koul2e622ae2016-11-13 12:10:02 +0530492 if (cpu_dai->driver->cops && cpu_dai->driver->cops->set_params) {
493 ret = cpu_dai->driver->cops->set_params(cstream, params, cpu_dai);
494 if (ret < 0)
495 goto err;
496 }
497
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000498 ret = soc_compr_components_set_params(cstream, params);
499 if (ret < 0)
500 goto err;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000501
Namarta Kohli1245b702012-08-16 17:10:41 +0530502 if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) {
503 ret = rtd->dai_link->compr_ops->set_params(cstream);
504 if (ret < 0)
Charles Keepaxfa40ef22013-03-27 16:39:01 +0000505 goto err;
Namarta Kohli1245b702012-08-16 17:10:41 +0530506 }
507
Charles Keepax2c071ed2013-05-20 08:33:54 +0100508 if (cstream->direction == SND_COMPRESS_PLAYBACK)
509 snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
Charles Keepax89027d92018-04-26 17:30:07 +0100510 SND_SOC_DAPM_STREAM_START);
Charles Keepax2c071ed2013-05-20 08:33:54 +0100511 else
512 snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE,
Charles Keepax89027d92018-04-26 17:30:07 +0100513 SND_SOC_DAPM_STREAM_START);
Namarta Kohli1245b702012-08-16 17:10:41 +0530514
Charles Keepaxfa40ef22013-03-27 16:39:01 +0000515 /* cancel any delayed stream shutdown that is pending */
516 rtd->pop_wait = 0;
517 mutex_unlock(&rtd->pcm_mutex);
518
519 cancel_delayed_work_sync(&rtd->delayed_work);
520
Charles Keepax52cadf12019-02-05 11:18:12 +0000521 return 0;
Charles Keepaxfa40ef22013-03-27 16:39:01 +0000522
523err:
Charles Keepax15e2e612013-01-24 09:44:29 +0000524 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530525 return ret;
526}
527
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000528static int soc_compr_set_params_fe(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100529 struct snd_compr_params *params)
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000530{
531 struct snd_soc_pcm_runtime *fe = cstream->private_data;
Satish Babu Patakokila01b8ced2017-06-16 17:33:40 -0700532 struct snd_pcm_substream *fe_substream =
533 fe->pcm->streams[cstream->direction].substream;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530534 struct snd_soc_dai *cpu_dai = fe->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000535 int ret, stream;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000536
537 if (cstream->direction == SND_COMPRESS_PLAYBACK)
538 stream = SNDRV_PCM_STREAM_PLAYBACK;
539 else
540 stream = SNDRV_PCM_STREAM_CAPTURE;
541
542 mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
543
Srinivas Kandagatla0b0722e2018-08-03 13:30:03 +0100544 /*
545 * Create an empty hw_params for the BE as the machine driver must
546 * fix this up to match DSP decoder and ASRC configuration.
547 * I.e. machine driver fixup for compressed BE is mandatory.
548 */
549 memset(&fe->dpcm[fe_substream->stream].hw_params, 0,
550 sizeof(struct snd_pcm_hw_params));
551
552 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE;
553
554 ret = dpcm_be_dai_hw_params(fe, stream);
555 if (ret < 0)
556 goto out;
557
558 ret = dpcm_be_dai_prepare(fe, stream);
559 if (ret < 0)
560 goto out;
561
Vinod Koul2e622ae2016-11-13 12:10:02 +0530562 if (cpu_dai->driver->cops && cpu_dai->driver->cops->set_params) {
563 ret = cpu_dai->driver->cops->set_params(cstream, params, cpu_dai);
564 if (ret < 0)
565 goto out;
566 }
567
Charles Keepax4ef0ecb2019-02-05 11:18:13 +0000568 ret = soc_compr_components_set_params(cstream, params);
569 if (ret < 0)
570 goto out;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000571
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000572 if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) {
573 ret = fe->dai_link->compr_ops->set_params(cstream);
574 if (ret < 0)
575 goto out;
576 }
577
Daniel Mack15f6b092014-10-19 09:07:35 +0200578 dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000579 fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE;
580
581out:
582 fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO;
583 mutex_unlock(&fe->card->mutex);
584 return ret;
585}
586
Namarta Kohli1245b702012-08-16 17:10:41 +0530587static int soc_compr_get_params(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100588 struct snd_codec *params)
Namarta Kohli1245b702012-08-16 17:10:41 +0530589{
590 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000591 struct snd_soc_component *component;
592 struct snd_soc_rtdcom_list *rtdcom;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530593 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000594 int ret = 0;
Namarta Kohli1245b702012-08-16 17:10:41 +0530595
Charles Keepax15e2e612013-01-24 09:44:29 +0000596 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
597
Vinod Koul2e622ae2016-11-13 12:10:02 +0530598 if (cpu_dai->driver->cops && cpu_dai->driver->cops->get_params) {
599 ret = cpu_dai->driver->cops->get_params(cstream, params, cpu_dai);
600 if (ret < 0)
601 goto err;
602 }
603
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000604 for_each_rtdcom(rtd, rtdcom) {
605 component = rtdcom->component;
606
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000607 if (!component->driver->compr_ops ||
608 !component->driver->compr_ops->get_params)
609 continue;
610
Charles Keepax52cadf12019-02-05 11:18:12 +0000611 ret = component->driver->compr_ops->get_params(cstream, params);
612 break;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000613 }
Namarta Kohli1245b702012-08-16 17:10:41 +0530614
Vinod Koul2e622ae2016-11-13 12:10:02 +0530615err:
Charles Keepax15e2e612013-01-24 09:44:29 +0000616 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530617 return ret;
618}
619
620static int soc_compr_get_caps(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100621 struct snd_compr_caps *caps)
Namarta Kohli1245b702012-08-16 17:10:41 +0530622{
623 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000624 struct snd_soc_component *component;
625 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax52cadf12019-02-05 11:18:12 +0000626 int ret = 0;
Namarta Kohli1245b702012-08-16 17:10:41 +0530627
Charles Keepax15e2e612013-01-24 09:44:29 +0000628 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
629
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000630 for_each_rtdcom(rtd, rtdcom) {
631 component = rtdcom->component;
632
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000633 if (!component->driver->compr_ops ||
634 !component->driver->compr_ops->get_caps)
635 continue;
636
Charles Keepax52cadf12019-02-05 11:18:12 +0000637 ret = component->driver->compr_ops->get_caps(cstream, caps);
638 break;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000639 }
640
Charles Keepax15e2e612013-01-24 09:44:29 +0000641 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530642 return ret;
643}
644
645static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100646 struct snd_compr_codec_caps *codec)
Namarta Kohli1245b702012-08-16 17:10:41 +0530647{
648 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000649 struct snd_soc_component *component;
650 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax52cadf12019-02-05 11:18:12 +0000651 int ret = 0;
Namarta Kohli1245b702012-08-16 17:10:41 +0530652
Charles Keepax15e2e612013-01-24 09:44:29 +0000653 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
654
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000655 for_each_rtdcom(rtd, rtdcom) {
656 component = rtdcom->component;
657
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000658 if (!component->driver->compr_ops ||
659 !component->driver->compr_ops->get_codec_caps)
660 continue;
661
Charles Keepax52cadf12019-02-05 11:18:12 +0000662 ret = component->driver->compr_ops->get_codec_caps(cstream,
663 codec);
664 break;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000665 }
666
Charles Keepax15e2e612013-01-24 09:44:29 +0000667 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530668 return ret;
669}
670
671static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
672{
673 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000674 struct snd_soc_component *component;
675 struct snd_soc_rtdcom_list *rtdcom;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530676 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000677 int ret = 0;
Namarta Kohli1245b702012-08-16 17:10:41 +0530678
Charles Keepax15e2e612013-01-24 09:44:29 +0000679 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
680
Vinod Koul2e622ae2016-11-13 12:10:02 +0530681 if (cpu_dai->driver->cops && cpu_dai->driver->cops->ack) {
682 ret = cpu_dai->driver->cops->ack(cstream, bytes, cpu_dai);
683 if (ret < 0)
684 goto err;
685 }
686
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000687 for_each_rtdcom(rtd, rtdcom) {
688 component = rtdcom->component;
689
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000690 if (!component->driver->compr_ops ||
691 !component->driver->compr_ops->ack)
692 continue;
693
Charles Keepax52cadf12019-02-05 11:18:12 +0000694 ret = component->driver->compr_ops->ack(cstream, bytes);
695 if (ret < 0)
696 goto err;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000697 }
Namarta Kohli1245b702012-08-16 17:10:41 +0530698
Vinod Koul2e622ae2016-11-13 12:10:02 +0530699err:
Charles Keepax15e2e612013-01-24 09:44:29 +0000700 mutex_unlock(&rtd->pcm_mutex);
Namarta Kohli1245b702012-08-16 17:10:41 +0530701 return ret;
702}
703
704static int soc_compr_pointer(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100705 struct snd_compr_tstamp *tstamp)
Namarta Kohli1245b702012-08-16 17:10:41 +0530706{
707 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000708 struct snd_soc_component *component;
709 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax52cadf12019-02-05 11:18:12 +0000710 int ret = 0;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530711 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Namarta Kohli1245b702012-08-16 17:10:41 +0530712
Charles Keepax15e2e612013-01-24 09:44:29 +0000713 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
714
Vinod Koul2e622ae2016-11-13 12:10:02 +0530715 if (cpu_dai->driver->cops && cpu_dai->driver->cops->pointer)
716 cpu_dai->driver->cops->pointer(cstream, tstamp, cpu_dai);
717
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000718 for_each_rtdcom(rtd, rtdcom) {
719 component = rtdcom->component;
720
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000721 if (!component->driver->compr_ops ||
722 !component->driver->compr_ops->pointer)
723 continue;
724
Charles Keepax52cadf12019-02-05 11:18:12 +0000725 ret = component->driver->compr_ops->pointer(cstream, tstamp);
726 break;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000727 }
728
Charles Keepax15e2e612013-01-24 09:44:29 +0000729 mutex_unlock(&rtd->pcm_mutex);
Charles Keepax7c9190f2016-06-20 09:51:32 +0100730 return ret;
Namarta Kohli1245b702012-08-16 17:10:41 +0530731}
732
Charles Keepax1f88eb02013-02-05 10:41:47 +0000733static int soc_compr_copy(struct snd_compr_stream *cstream,
Charles Keepax4daf8912013-04-18 11:01:38 +0100734 char __user *buf, size_t count)
Charles Keepax1f88eb02013-02-05 10:41:47 +0000735{
736 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000737 struct snd_soc_component *component;
738 struct snd_soc_rtdcom_list *rtdcom;
Charles Keepax290df4d32018-01-26 13:08:43 +0000739 int ret = 0;
Charles Keepax1f88eb02013-02-05 10:41:47 +0000740
741 mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
742
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000743 for_each_rtdcom(rtd, rtdcom) {
744 component = rtdcom->component;
745
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000746 if (!component->driver->compr_ops ||
747 !component->driver->compr_ops->copy)
748 continue;
749
Charles Keepax290df4d32018-01-26 13:08:43 +0000750 ret = component->driver->compr_ops->copy(cstream, buf, count);
751 break;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000752 }
Charles Keepax290df4d32018-01-26 13:08:43 +0000753
Charles Keepax1f88eb02013-02-05 10:41:47 +0000754 mutex_unlock(&rtd->pcm_mutex);
755 return ret;
756}
757
Vinod Koul02bd90e2013-07-28 20:06:15 +0530758static int soc_compr_set_metadata(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100759 struct snd_compr_metadata *metadata)
Jeeja KP36953d92013-03-26 21:22:28 +0530760{
761 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000762 struct snd_soc_component *component;
763 struct snd_soc_rtdcom_list *rtdcom;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530764 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000765 int ret;
Jeeja KP36953d92013-03-26 21:22:28 +0530766
Vinod Koul2e622ae2016-11-13 12:10:02 +0530767 if (cpu_dai->driver->cops && cpu_dai->driver->cops->set_metadata) {
768 ret = cpu_dai->driver->cops->set_metadata(cstream, metadata, cpu_dai);
769 if (ret < 0)
770 return ret;
771 }
772
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000773 for_each_rtdcom(rtd, rtdcom) {
774 component = rtdcom->component;
775
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000776 if (!component->driver->compr_ops ||
777 !component->driver->compr_ops->set_metadata)
778 continue;
779
Charles Keepax52cadf12019-02-05 11:18:12 +0000780 ret = component->driver->compr_ops->set_metadata(cstream,
781 metadata);
782 if (ret < 0)
783 return ret;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000784 }
Jeeja KP36953d92013-03-26 21:22:28 +0530785
Charles Keepax52cadf12019-02-05 11:18:12 +0000786 return 0;
Jeeja KP36953d92013-03-26 21:22:28 +0530787}
788
Vinod Koul02bd90e2013-07-28 20:06:15 +0530789static int soc_compr_get_metadata(struct snd_compr_stream *cstream,
Charles Keepax89027d92018-04-26 17:30:07 +0100790 struct snd_compr_metadata *metadata)
Jeeja KP36953d92013-03-26 21:22:28 +0530791{
792 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000793 struct snd_soc_component *component;
794 struct snd_soc_rtdcom_list *rtdcom;
Vinod Koul2e622ae2016-11-13 12:10:02 +0530795 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
Charles Keepax52cadf12019-02-05 11:18:12 +0000796 int ret;
Jeeja KP36953d92013-03-26 21:22:28 +0530797
Vinod Koul2e622ae2016-11-13 12:10:02 +0530798 if (cpu_dai->driver->cops && cpu_dai->driver->cops->get_metadata) {
799 ret = cpu_dai->driver->cops->get_metadata(cstream, metadata, cpu_dai);
800 if (ret < 0)
801 return ret;
802 }
803
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000804 for_each_rtdcom(rtd, rtdcom) {
805 component = rtdcom->component;
806
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000807 if (!component->driver->compr_ops ||
808 !component->driver->compr_ops->get_metadata)
809 continue;
810
Charles Keepax52cadf12019-02-05 11:18:12 +0000811 return component->driver->compr_ops->get_metadata(cstream,
812 metadata);
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000813 }
Jeeja KP36953d92013-03-26 21:22:28 +0530814
Charles Keepax52cadf12019-02-05 11:18:12 +0000815 return 0;
Jeeja KP36953d92013-03-26 21:22:28 +0530816}
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000817
Namarta Kohli1245b702012-08-16 17:10:41 +0530818/* ASoC Compress operations */
819static struct snd_compr_ops soc_compr_ops = {
820 .open = soc_compr_open,
821 .free = soc_compr_free,
822 .set_params = soc_compr_set_params,
Vinod Koul02bd90e2013-07-28 20:06:15 +0530823 .set_metadata = soc_compr_set_metadata,
824 .get_metadata = soc_compr_get_metadata,
Namarta Kohli1245b702012-08-16 17:10:41 +0530825 .get_params = soc_compr_get_params,
826 .trigger = soc_compr_trigger,
827 .pointer = soc_compr_pointer,
828 .ack = soc_compr_ack,
829 .get_caps = soc_compr_get_caps,
830 .get_codec_caps = soc_compr_get_codec_caps
831};
832
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000833/* ASoC Dynamic Compress operations */
834static struct snd_compr_ops soc_compr_dyn_ops = {
835 .open = soc_compr_open_fe,
836 .free = soc_compr_free_fe,
837 .set_params = soc_compr_set_params_fe,
838 .get_params = soc_compr_get_params,
839 .set_metadata = soc_compr_set_metadata,
840 .get_metadata = soc_compr_get_metadata,
841 .trigger = soc_compr_trigger_fe,
842 .pointer = soc_compr_pointer,
843 .ack = soc_compr_ack,
844 .get_caps = soc_compr_get_caps,
845 .get_codec_caps = soc_compr_get_codec_caps
846};
847
Jie Yang6f0c4222015-10-13 23:41:00 +0800848/**
849 * snd_soc_new_compress - create a new compress.
850 *
851 * @rtd: The runtime for which we will create compress
852 * @num: the device index number (zero based - shared with normal PCMs)
853 *
854 * Return: 0 for success, else error.
855 */
856int snd_soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num)
Namarta Kohli1245b702012-08-16 17:10:41 +0530857{
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000858 struct snd_soc_component *component;
859 struct snd_soc_rtdcom_list *rtdcom;
Namarta Kohli1245b702012-08-16 17:10:41 +0530860 struct snd_soc_dai *codec_dai = rtd->codec_dai;
861 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
862 struct snd_compr *compr;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000863 struct snd_pcm *be_pcm;
Namarta Kohli1245b702012-08-16 17:10:41 +0530864 char new_name[64];
865 int ret = 0, direction = 0;
Vinod Koula1068042016-01-07 21:48:14 +0530866 int playback = 0, capture = 0;
Namarta Kohli1245b702012-08-16 17:10:41 +0530867
Benoit Cousson8151d5e2014-07-08 23:19:37 +0200868 if (rtd->num_codecs > 1) {
Charles Keepax141dfc92018-01-26 13:08:45 +0000869 dev_err(rtd->card->dev,
870 "Compress ASoC: Multicodec not supported\n");
Benoit Cousson8151d5e2014-07-08 23:19:37 +0200871 return -EINVAL;
872 }
873
Namarta Kohli1245b702012-08-16 17:10:41 +0530874 /* check client and interface hw capabilities */
Charles Keepaxdaa2db52013-04-18 11:02:38 +0100875 if (codec_dai->driver->playback.channels_min)
Vinod Koula1068042016-01-07 21:48:14 +0530876 playback = 1;
877 if (codec_dai->driver->capture.channels_min)
878 capture = 1;
879
880 capture = capture && cpu_dai->driver->capture.channels_min;
881 playback = playback && cpu_dai->driver->playback.channels_min;
882
883 /*
884 * Compress devices are unidirectional so only one of the directions
885 * should be set, check for that (xor)
886 */
887 if (playback + capture != 1) {
Charles Keepax141dfc92018-01-26 13:08:45 +0000888 dev_err(rtd->card->dev,
889 "Compress ASoC: Invalid direction for P %d, C %d\n",
890 playback, capture);
Charles Keepaxdaa2db52013-04-18 11:02:38 +0100891 return -EINVAL;
Vinod Koula1068042016-01-07 21:48:14 +0530892 }
893
Peng Donglinaeb6fa02017-08-16 22:47:53 +0800894 if (playback)
Vinod Koula1068042016-01-07 21:48:14 +0530895 direction = SND_COMPRESS_PLAYBACK;
896 else
897 direction = SND_COMPRESS_CAPTURE;
Charles Keepaxdaa2db52013-04-18 11:02:38 +0100898
Amadeusz Sławiński09f448a2019-06-17 13:36:36 +0200899 compr = devm_kzalloc(rtd->card->dev, sizeof(*compr), GFP_KERNEL);
Markus Elfring7a0cf422017-08-10 16:21:34 +0200900 if (!compr)
Namarta Kohli1245b702012-08-16 17:10:41 +0530901 return -ENOMEM;
Namarta Kohli1245b702012-08-16 17:10:41 +0530902
Charles Keepax1f88eb02013-02-05 10:41:47 +0000903 compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops),
904 GFP_KERNEL);
Amadeusz Sławiński09f448a2019-06-17 13:36:36 +0200905 if (!compr->ops)
906 return -ENOMEM;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000907
908 if (rtd->dai_link->dynamic) {
909 snprintf(new_name, sizeof(new_name), "(%s)",
910 rtd->dai_link->stream_name);
911
912 ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num,
Qais Yousefd3268a42015-01-14 08:47:29 +0000913 rtd->dai_link->dpcm_playback,
914 rtd->dai_link->dpcm_capture, &be_pcm);
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000915 if (ret < 0) {
Charles Keepax141dfc92018-01-26 13:08:45 +0000916 dev_err(rtd->card->dev,
917 "Compress ASoC: can't create compressed for %s: %d\n",
918 rtd->dai_link->name, ret);
Amadeusz Sławiński09f448a2019-06-17 13:36:36 +0200919 return ret;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000920 }
921
922 rtd->pcm = be_pcm;
923 rtd->fe_compr = 1;
Qais Yousefd3268a42015-01-14 08:47:29 +0000924 if (rtd->dai_link->dpcm_playback)
925 be_pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream->private_data = rtd;
926 else if (rtd->dai_link->dpcm_capture)
927 be_pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream->private_data = rtd;
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000928 memcpy(compr->ops, &soc_compr_dyn_ops, sizeof(soc_compr_dyn_ops));
Peng Donglinaeb6fa02017-08-16 22:47:53 +0800929 } else {
930 snprintf(new_name, sizeof(new_name), "%s %s-%d",
931 rtd->dai_link->stream_name, codec_dai->name, num);
932
Liam Girdwood2a99ef02014-01-17 17:03:56 +0000933 memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops));
Peng Donglinaeb6fa02017-08-16 22:47:53 +0800934 }
Charles Keepax1f88eb02013-02-05 10:41:47 +0000935
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000936 for_each_rtdcom(rtd, rtdcom) {
937 component = rtdcom->component;
938
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000939 if (!component->driver->compr_ops ||
940 !component->driver->compr_ops->copy)
941 continue;
942
943 compr->ops->copy = soc_compr_copy;
Charles Keepaxca76db62018-04-26 17:30:04 +0100944 break;
Kuninori Morimoto9e7e3732017-10-11 01:37:45 +0000945 }
946
Namarta Kohli1245b702012-08-16 17:10:41 +0530947 mutex_init(&compr->lock);
Richard Fitzgeralde5241a82015-11-25 13:00:24 +0000948 ret = snd_compress_new(rtd->card->snd_card, num, direction,
949 new_name, compr);
Namarta Kohli1245b702012-08-16 17:10:41 +0530950 if (ret < 0) {
Kuninori Morimotoe5acfc72017-12-05 04:23:05 +0000951 component = rtd->codec_dai->component;
Charles Keepax141dfc92018-01-26 13:08:45 +0000952 dev_err(component->dev,
953 "Compress ASoC: can't create compress for codec %s: %d\n",
954 component->name, ret);
Amadeusz Sławiński09f448a2019-06-17 13:36:36 +0200955 return ret;
Namarta Kohli1245b702012-08-16 17:10:41 +0530956 }
957
Charles Keepax202c8f72013-01-24 09:44:30 +0000958 /* DAPM dai link stream work */
959 INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work);
960
Namarta Kohli1245b702012-08-16 17:10:41 +0530961 rtd->compr = compr;
962 compr->private_data = rtd;
963
Charles Keepax141dfc92018-01-26 13:08:45 +0000964 dev_info(rtd->card->dev, "Compress ASoC: %s <-> %s mapping ok\n",
965 codec_dai->name, cpu_dai->name);
Charles Keepax1f88eb02013-02-05 10:41:47 +0000966
Amadeusz Sławiński09f448a2019-06-17 13:36:36 +0200967 return 0;
Namarta Kohli1245b702012-08-16 17:10:41 +0530968}
Jie Yang6f0c4222015-10-13 23:41:00 +0800969EXPORT_SYMBOL_GPL(snd_soc_new_compress);