Commit | Line | Data |
---|---|---|
1245b700 NK |
1 | /* |
2 | * soc-compress.c -- ALSA SoC Compress | |
3 | * | |
4 | * Copyright (C) 2012 Intel Corp. | |
5 | * | |
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> | |
9 | * | |
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. | |
14 | * | |
15 | */ | |
16 | ||
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> | |
2a99ef0f | 27 | #include <sound/soc-dpcm.h> |
1245b700 NK |
28 | |
29 | static int soc_compr_open(struct snd_compr_stream *cstream) | |
30 | { | |
31 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
32 | struct snd_soc_platform *platform = rtd->platform; | |
1245b700 NK |
33 | int ret = 0; |
34 | ||
15e2e619 CK |
35 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
36 | ||
1245b700 NK |
37 | if (platform->driver->compr_ops && platform->driver->compr_ops->open) { |
38 | ret = platform->driver->compr_ops->open(cstream); | |
39 | if (ret < 0) { | |
f4333203 LPC |
40 | pr_err("compress asoc: can't open platform %s\n", |
41 | platform->component.name); | |
1245b700 NK |
42 | goto out; |
43 | } | |
44 | } | |
45 | ||
46 | if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->startup) { | |
47 | ret = rtd->dai_link->compr_ops->startup(cstream); | |
48 | if (ret < 0) { | |
49 | pr_err("compress asoc: %s startup failed\n", rtd->dai_link->name); | |
50 | goto machine_err; | |
51 | } | |
52 | } | |
53 | ||
24894b76 | 54 | snd_soc_runtime_activate(rtd, cstream->direction); |
1245b700 | 55 | |
15e2e619 CK |
56 | mutex_unlock(&rtd->pcm_mutex); |
57 | ||
1245b700 NK |
58 | return 0; |
59 | ||
60 | machine_err: | |
61 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) | |
62 | platform->driver->compr_ops->free(cstream); | |
63 | out: | |
15e2e619 | 64 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
65 | return ret; |
66 | } | |
67 | ||
2a99ef0f LG |
68 | static int soc_compr_open_fe(struct snd_compr_stream *cstream) |
69 | { | |
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; | |
2a99ef0f LG |
73 | struct snd_soc_dpcm *dpcm; |
74 | struct snd_soc_dapm_widget_list *list; | |
75 | int stream; | |
76 | int ret = 0; | |
77 | ||
78 | if (cstream->direction == SND_COMPRESS_PLAYBACK) | |
79 | stream = SNDRV_PCM_STREAM_PLAYBACK; | |
80 | else | |
81 | stream = SNDRV_PCM_STREAM_CAPTURE; | |
82 | ||
83 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); | |
84 | ||
85 | if (platform->driver->compr_ops && platform->driver->compr_ops->open) { | |
86 | ret = platform->driver->compr_ops->open(cstream); | |
87 | if (ret < 0) { | |
f4333203 LPC |
88 | pr_err("compress asoc: can't open platform %s\n", |
89 | platform->component.name); | |
2a99ef0f LG |
90 | goto out; |
91 | } | |
92 | } | |
93 | ||
94 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->startup) { | |
95 | ret = fe->dai_link->compr_ops->startup(cstream); | |
96 | if (ret < 0) { | |
97 | pr_err("compress asoc: %s startup failed\n", fe->dai_link->name); | |
98 | goto machine_err; | |
99 | } | |
100 | } | |
101 | ||
102 | fe->dpcm[stream].runtime = fe_substream->runtime; | |
103 | ||
8f70e515 | 104 | ret = dpcm_path_get(fe, stream, &list); |
2e4ec1c0 | 105 | if (ret < 0) |
8f70e515 | 106 | goto fe_err; |
2e4ec1c0 | 107 | else if (ret == 0) |
2a99ef0f LG |
108 | dev_dbg(fe->dev, "ASoC: %s no valid %s route\n", |
109 | fe->dai_link->name, stream ? "capture" : "playback"); | |
2a99ef0f LG |
110 | |
111 | /* calculate valid and active FE <-> BE dpcms */ | |
112 | dpcm_process_paths(fe, stream, &list, 1); | |
113 | ||
114 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; | |
115 | ||
116 | ret = dpcm_be_dai_startup(fe, stream); | |
117 | if (ret < 0) { | |
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; | |
121 | ||
122 | dpcm_be_disconnect(fe, stream); | |
123 | fe->dpcm[stream].runtime = NULL; | |
124 | goto fe_err; | |
125 | } | |
126 | ||
127 | dpcm_clear_pending_state(fe, stream); | |
128 | dpcm_path_put(&list); | |
129 | ||
130 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_OPEN; | |
131 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; | |
132 | ||
24894b76 | 133 | snd_soc_runtime_activate(fe, stream); |
2a99ef0f LG |
134 | |
135 | mutex_unlock(&fe->card->mutex); | |
136 | ||
137 | return 0; | |
138 | ||
139 | fe_err: | |
140 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown) | |
141 | fe->dai_link->compr_ops->shutdown(cstream); | |
142 | machine_err: | |
143 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) | |
144 | platform->driver->compr_ops->free(cstream); | |
145 | out: | |
146 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; | |
147 | mutex_unlock(&fe->card->mutex); | |
148 | return ret; | |
149 | } | |
150 | ||
202c8f70 CK |
151 | /* |
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. | |
155 | */ | |
156 | static void close_delayed_work(struct work_struct *work) | |
157 | { | |
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; | |
161 | ||
162 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); | |
163 | ||
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"); | |
168 | ||
169 | /* are we waiting on this codec DAI stream */ | |
170 | if (rtd->pop_wait == 1) { | |
171 | rtd->pop_wait = 0; | |
172 | snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, | |
173 | SND_SOC_DAPM_STREAM_STOP); | |
174 | } | |
175 | ||
176 | mutex_unlock(&rtd->pcm_mutex); | |
177 | } | |
178 | ||
1245b700 NK |
179 | static int soc_compr_free(struct snd_compr_stream *cstream) |
180 | { | |
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; | |
24894b76 | 185 | int stream; |
1245b700 | 186 | |
15e2e619 CK |
187 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
188 | ||
24894b76 LPC |
189 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
190 | stream = SNDRV_PCM_STREAM_PLAYBACK; | |
191 | else | |
192 | stream = SNDRV_PCM_STREAM_CAPTURE; | |
1245b700 | 193 | |
24894b76 | 194 | snd_soc_runtime_deactivate(rtd, stream); |
da18396f | 195 | |
24894b76 | 196 | snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); |
1245b700 NK |
197 | |
198 | if (!cpu_dai->active) | |
199 | cpu_dai->rate = 0; | |
200 | ||
201 | if (!codec_dai->active) | |
202 | codec_dai->rate = 0; | |
203 | ||
204 | ||
205 | if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->shutdown) | |
206 | rtd->dai_link->compr_ops->shutdown(cstream); | |
207 | ||
208 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) | |
209 | platform->driver->compr_ops->free(cstream); | |
1245b700 NK |
210 | |
211 | if (cstream->direction == SND_COMPRESS_PLAYBACK) { | |
208a1589 | 212 | if (snd_soc_runtime_ignore_pmdown_time(rtd)) { |
1245b700 NK |
213 | snd_soc_dapm_stream_event(rtd, |
214 | SNDRV_PCM_STREAM_PLAYBACK, | |
215 | SND_SOC_DAPM_STREAM_STOP); | |
8c3d2aa4 | 216 | } else { |
9bffb1fb | 217 | rtd->pop_wait = 1; |
3d24cfe4 MB |
218 | queue_delayed_work(system_power_efficient_wq, |
219 | &rtd->delayed_work, | |
220 | msecs_to_jiffies(rtd->pmdown_time)); | |
8c3d2aa4 | 221 | } |
1245b700 NK |
222 | } else { |
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); | |
227 | } | |
228 | ||
15e2e619 | 229 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
230 | return 0; |
231 | } | |
232 | ||
2a99ef0f LG |
233 | static int soc_compr_free_fe(struct snd_compr_stream *cstream) |
234 | { | |
235 | struct snd_soc_pcm_runtime *fe = cstream->private_data; | |
236 | struct snd_soc_platform *platform = fe->platform; | |
2a99ef0f LG |
237 | struct snd_soc_dpcm *dpcm; |
238 | int stream, ret; | |
239 | ||
240 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); | |
241 | ||
24894b76 | 242 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
2a99ef0f | 243 | stream = SNDRV_PCM_STREAM_PLAYBACK; |
24894b76 | 244 | else |
2a99ef0f | 245 | stream = SNDRV_PCM_STREAM_CAPTURE; |
2a99ef0f | 246 | |
24894b76 | 247 | snd_soc_runtime_deactivate(fe, stream); |
2a99ef0f LG |
248 | |
249 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; | |
250 | ||
251 | ret = dpcm_be_dai_hw_free(fe, stream); | |
252 | if (ret < 0) | |
253 | dev_err(fe->dev, "compressed hw_free failed %d\n", ret); | |
254 | ||
255 | ret = dpcm_be_dai_shutdown(fe, stream); | |
256 | ||
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; | |
260 | ||
261 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) | |
262 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP); | |
263 | else | |
264 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_STOP); | |
265 | ||
266 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE; | |
267 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; | |
268 | ||
269 | dpcm_be_disconnect(fe, stream); | |
270 | ||
271 | fe->dpcm[stream].runtime = NULL; | |
272 | ||
273 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->shutdown) | |
274 | fe->dai_link->compr_ops->shutdown(cstream); | |
275 | ||
276 | if (platform->driver->compr_ops && platform->driver->compr_ops->free) | |
277 | platform->driver->compr_ops->free(cstream); | |
278 | ||
279 | mutex_unlock(&fe->card->mutex); | |
280 | return 0; | |
281 | } | |
282 | ||
1245b700 NK |
283 | static int soc_compr_trigger(struct snd_compr_stream *cstream, int cmd) |
284 | { | |
285 | ||
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; | |
289 | int ret = 0; | |
290 | ||
15e2e619 CK |
291 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
292 | ||
1245b700 NK |
293 | if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { |
294 | ret = platform->driver->compr_ops->trigger(cstream, cmd); | |
295 | if (ret < 0) | |
15e2e619 | 296 | goto out; |
1245b700 NK |
297 | } |
298 | ||
da18396f MB |
299 | switch (cmd) { |
300 | case SNDRV_PCM_TRIGGER_START: | |
301 | snd_soc_dai_digital_mute(codec_dai, 0, cstream->direction); | |
302 | break; | |
303 | case SNDRV_PCM_TRIGGER_STOP: | |
304 | snd_soc_dai_digital_mute(codec_dai, 1, cstream->direction); | |
305 | break; | |
e38b9b74 | 306 | } |
1245b700 | 307 | |
15e2e619 CK |
308 | out: |
309 | mutex_unlock(&rtd->pcm_mutex); | |
1245b700 NK |
310 | return ret; |
311 | } | |
312 | ||
2a99ef0f LG |
313 | static int soc_compr_trigger_fe(struct snd_compr_stream *cstream, int cmd) |
314 | { | |
315 | struct snd_soc_pcm_runtime *fe = cstream->private_data; | |
316 | struct snd_soc_platform *platform = fe->platform; | |
317 | int ret = 0, stream; | |
318 | ||
319 | if (cmd == SND_COMPR_TRIGGER_PARTIAL_DRAIN || | |
320 | cmd == SND_COMPR_TRIGGER_DRAIN) { | |
321 | ||
322 | if (platform->driver->compr_ops && | |
15b8e94f DC |
323 | platform->driver->compr_ops->trigger) |
324 | return platform->driver->compr_ops->trigger(cstream, | |
325 | cmd); | |
2a99ef0f LG |
326 | } |
327 | ||
328 | if (cstream->direction == SND_COMPRESS_PLAYBACK) | |
329 | stream = SNDRV_PCM_STREAM_PLAYBACK; | |
330 | else | |
331 | stream = SNDRV_PCM_STREAM_CAPTURE; | |
332 | ||
333 | ||
334 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); | |
335 | ||
336 | if (platform->driver->compr_ops && platform->driver->compr_ops->trigger) { | |
337 | ret = platform->driver->compr_ops->trigger(cstream, cmd); | |
338 | if (ret < 0) | |
339 | goto out; | |
340 | } | |
341 | ||
342 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; | |
343 | ||
344 | ret = dpcm_be_dai_trigger(fe, stream, cmd); | |
345 | ||
346 | switch (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; | |
351 | break; | |
352 | case SNDRV_PCM_TRIGGER_STOP: | |
353 | case SNDRV_PCM_TRIGGER_SUSPEND: | |
354 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_STOP; | |
355 | break; | |
356 | case SNDRV_PCM_TRIGGER_PAUSE_PUSH: | |
357 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PAUSED; | |
358 | break; | |
359 | } | |
360 | ||
361 | out: | |
362 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; | |
363 | mutex_unlock(&fe->card->mutex); | |
364 | return ret; | |
365 | } | |
366 | ||
1245b700 NK |
367 | static int soc_compr_set_params(struct snd_compr_stream *cstream, |
368 | struct snd_compr_params *params) | |
369 | { | |
370 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
371 | struct snd_soc_platform *platform = rtd->platform; | |
1245b700 NK |
372 | int ret = 0; |
373 | ||
15e2e619 CK |
374 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
375 | ||
1245b700 NK |
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 | |
381 | */ | |
382 | if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { | |
383 | ret = platform->driver->compr_ops->set_params(cstream, params); | |
384 | if (ret < 0) | |
fa40ef20 | 385 | goto err; |
1245b700 NK |
386 | } |
387 | ||
388 | if (rtd->dai_link->compr_ops && rtd->dai_link->compr_ops->set_params) { | |
389 | ret = rtd->dai_link->compr_ops->set_params(cstream); | |
390 | if (ret < 0) | |
fa40ef20 | 391 | goto err; |
1245b700 NK |
392 | } |
393 | ||
2c071ed7 CK |
394 | if (cstream->direction == SND_COMPRESS_PLAYBACK) |
395 | snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK, | |
396 | SND_SOC_DAPM_STREAM_START); | |
397 | else | |
398 | snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_CAPTURE, | |
399 | SND_SOC_DAPM_STREAM_START); | |
1245b700 | 400 | |
fa40ef20 CK |
401 | /* cancel any delayed stream shutdown that is pending */ |
402 | rtd->pop_wait = 0; | |
403 | mutex_unlock(&rtd->pcm_mutex); | |
404 | ||
405 | cancel_delayed_work_sync(&rtd->delayed_work); | |
406 | ||
407 | return ret; | |
408 | ||
409 | err: | |
15e2e619 | 410 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
411 | return ret; |
412 | } | |
413 | ||
2a99ef0f LG |
414 | static int soc_compr_set_params_fe(struct snd_compr_stream *cstream, |
415 | struct snd_compr_params *params) | |
416 | { | |
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; | |
420 | int ret = 0, stream; | |
421 | ||
422 | if (cstream->direction == SND_COMPRESS_PLAYBACK) | |
423 | stream = SNDRV_PCM_STREAM_PLAYBACK; | |
424 | else | |
425 | stream = SNDRV_PCM_STREAM_CAPTURE; | |
426 | ||
427 | mutex_lock_nested(&fe->card->mutex, SND_SOC_CARD_CLASS_RUNTIME); | |
428 | ||
429 | if (platform->driver->compr_ops && platform->driver->compr_ops->set_params) { | |
430 | ret = platform->driver->compr_ops->set_params(cstream, params); | |
431 | if (ret < 0) | |
432 | goto out; | |
433 | } | |
434 | ||
435 | if (fe->dai_link->compr_ops && fe->dai_link->compr_ops->set_params) { | |
436 | ret = fe->dai_link->compr_ops->set_params(cstream); | |
437 | if (ret < 0) | |
438 | goto out; | |
439 | } | |
440 | ||
441 | /* | |
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. | |
445 | */ | |
446 | memset(&fe->dpcm[fe_substream->stream].hw_params, 0, | |
447 | sizeof(struct snd_pcm_hw_params)); | |
448 | ||
449 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_FE; | |
450 | ||
451 | ret = dpcm_be_dai_hw_params(fe, stream); | |
452 | if (ret < 0) | |
453 | goto out; | |
454 | ||
455 | ret = dpcm_be_dai_prepare(fe, stream); | |
456 | if (ret < 0) | |
457 | goto out; | |
458 | ||
459 | if (stream == SNDRV_PCM_STREAM_PLAYBACK) | |
460 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START); | |
461 | else | |
462 | dpcm_dapm_stream_event(fe, stream, SND_SOC_DAPM_STREAM_START); | |
463 | ||
464 | fe->dpcm[stream].state = SND_SOC_DPCM_STATE_PREPARE; | |
465 | ||
466 | out: | |
467 | fe->dpcm[stream].runtime_update = SND_SOC_DPCM_UPDATE_NO; | |
468 | mutex_unlock(&fe->card->mutex); | |
469 | return ret; | |
470 | } | |
471 | ||
1245b700 NK |
472 | static int soc_compr_get_params(struct snd_compr_stream *cstream, |
473 | struct snd_codec *params) | |
474 | { | |
475 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
476 | struct snd_soc_platform *platform = rtd->platform; | |
477 | int ret = 0; | |
478 | ||
15e2e619 CK |
479 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
480 | ||
1245b700 NK |
481 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_params) |
482 | ret = platform->driver->compr_ops->get_params(cstream, params); | |
483 | ||
15e2e619 | 484 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
485 | return ret; |
486 | } | |
487 | ||
488 | static int soc_compr_get_caps(struct snd_compr_stream *cstream, | |
489 | struct snd_compr_caps *caps) | |
490 | { | |
491 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
492 | struct snd_soc_platform *platform = rtd->platform; | |
493 | int ret = 0; | |
494 | ||
15e2e619 CK |
495 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
496 | ||
1245b700 NK |
497 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_caps) |
498 | ret = platform->driver->compr_ops->get_caps(cstream, caps); | |
499 | ||
15e2e619 | 500 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
501 | return ret; |
502 | } | |
503 | ||
504 | static int soc_compr_get_codec_caps(struct snd_compr_stream *cstream, | |
505 | struct snd_compr_codec_caps *codec) | |
506 | { | |
507 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
508 | struct snd_soc_platform *platform = rtd->platform; | |
509 | int ret = 0; | |
510 | ||
15e2e619 CK |
511 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
512 | ||
1245b700 NK |
513 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_codec_caps) |
514 | ret = platform->driver->compr_ops->get_codec_caps(cstream, codec); | |
515 | ||
15e2e619 | 516 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
517 | return ret; |
518 | } | |
519 | ||
520 | static int soc_compr_ack(struct snd_compr_stream *cstream, size_t bytes) | |
521 | { | |
522 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
523 | struct snd_soc_platform *platform = rtd->platform; | |
524 | int ret = 0; | |
525 | ||
15e2e619 CK |
526 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
527 | ||
1245b700 NK |
528 | if (platform->driver->compr_ops && platform->driver->compr_ops->ack) |
529 | ret = platform->driver->compr_ops->ack(cstream, bytes); | |
530 | ||
15e2e619 | 531 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
532 | return ret; |
533 | } | |
534 | ||
535 | static int soc_compr_pointer(struct snd_compr_stream *cstream, | |
536 | struct snd_compr_tstamp *tstamp) | |
537 | { | |
538 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
539 | struct snd_soc_platform *platform = rtd->platform; | |
540 | ||
15e2e619 CK |
541 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); |
542 | ||
1245b700 NK |
543 | if (platform->driver->compr_ops && platform->driver->compr_ops->pointer) |
544 | platform->driver->compr_ops->pointer(cstream, tstamp); | |
545 | ||
15e2e619 | 546 | mutex_unlock(&rtd->pcm_mutex); |
1245b700 NK |
547 | return 0; |
548 | } | |
549 | ||
1f88eb0f | 550 | static int soc_compr_copy(struct snd_compr_stream *cstream, |
4daf891c | 551 | char __user *buf, size_t count) |
1f88eb0f CK |
552 | { |
553 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
554 | struct snd_soc_platform *platform = rtd->platform; | |
555 | int ret = 0; | |
556 | ||
557 | mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass); | |
558 | ||
559 | if (platform->driver->compr_ops && platform->driver->compr_ops->copy) | |
560 | ret = platform->driver->compr_ops->copy(cstream, buf, count); | |
561 | ||
562 | mutex_unlock(&rtd->pcm_mutex); | |
563 | return ret; | |
564 | } | |
565 | ||
02bd90e8 | 566 | static int soc_compr_set_metadata(struct snd_compr_stream *cstream, |
36953d98 JK |
567 | struct snd_compr_metadata *metadata) |
568 | { | |
569 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
570 | struct snd_soc_platform *platform = rtd->platform; | |
571 | int ret = 0; | |
572 | ||
573 | if (platform->driver->compr_ops && platform->driver->compr_ops->set_metadata) | |
574 | ret = platform->driver->compr_ops->set_metadata(cstream, metadata); | |
575 | ||
576 | return ret; | |
577 | } | |
578 | ||
02bd90e8 | 579 | static int soc_compr_get_metadata(struct snd_compr_stream *cstream, |
36953d98 JK |
580 | struct snd_compr_metadata *metadata) |
581 | { | |
582 | struct snd_soc_pcm_runtime *rtd = cstream->private_data; | |
583 | struct snd_soc_platform *platform = rtd->platform; | |
584 | int ret = 0; | |
585 | ||
586 | if (platform->driver->compr_ops && platform->driver->compr_ops->get_metadata) | |
587 | ret = platform->driver->compr_ops->get_metadata(cstream, metadata); | |
588 | ||
589 | return ret; | |
590 | } | |
2a99ef0f | 591 | |
1245b700 NK |
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, | |
02bd90e8 VK |
597 | .set_metadata = soc_compr_set_metadata, |
598 | .get_metadata = soc_compr_get_metadata, | |
1245b700 NK |
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 | |
605 | }; | |
606 | ||
2a99ef0f LG |
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 | |
620 | }; | |
621 | ||
1245b700 NK |
622 | /* create a new compress */ |
623 | int soc_new_compress(struct snd_soc_pcm_runtime *rtd, int num) | |
624 | { | |
625 | struct snd_soc_codec *codec = rtd->codec; | |
1f88eb0f | 626 | struct snd_soc_platform *platform = rtd->platform; |
1245b700 NK |
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; | |
2a99ef0f | 630 | struct snd_pcm *be_pcm; |
1245b700 NK |
631 | char new_name[64]; |
632 | int ret = 0, direction = 0; | |
633 | ||
8151d5e6 BC |
634 | if (rtd->num_codecs > 1) { |
635 | dev_err(rtd->card->dev, "Multicodec not supported for compressed stream\n"); | |
636 | return -EINVAL; | |
637 | } | |
638 | ||
1245b700 NK |
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); | |
daa2db59 CK |
642 | |
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; | |
647 | else | |
648 | return -EINVAL; | |
649 | ||
1245b700 NK |
650 | compr = kzalloc(sizeof(*compr), GFP_KERNEL); |
651 | if (compr == NULL) { | |
652 | snd_printk(KERN_ERR "Cannot allocate compr\n"); | |
653 | return -ENOMEM; | |
654 | } | |
655 | ||
1f88eb0f CK |
656 | compr->ops = devm_kzalloc(rtd->card->dev, sizeof(soc_compr_ops), |
657 | GFP_KERNEL); | |
658 | if (compr->ops == NULL) { | |
659 | dev_err(rtd->card->dev, "Cannot allocate compressed ops\n"); | |
660 | ret = -ENOMEM; | |
661 | goto compr_err; | |
662 | } | |
2a99ef0f LG |
663 | |
664 | if (rtd->dai_link->dynamic) { | |
665 | snprintf(new_name, sizeof(new_name), "(%s)", | |
666 | rtd->dai_link->stream_name); | |
667 | ||
668 | ret = snd_pcm_new_internal(rtd->card->snd_card, new_name, num, | |
669 | 1, 0, &be_pcm); | |
670 | if (ret < 0) { | |
671 | dev_err(rtd->card->dev, "ASoC: can't create compressed for %s\n", | |
672 | rtd->dai_link->name); | |
673 | goto compr_err; | |
674 | } | |
675 | ||
676 | rtd->pcm = be_pcm; | |
677 | rtd->fe_compr = 1; | |
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)); | |
681 | } else | |
682 | memcpy(compr->ops, &soc_compr_ops, sizeof(soc_compr_ops)); | |
1f88eb0f CK |
683 | |
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; | |
687 | ||
1245b700 NK |
688 | mutex_init(&compr->lock); |
689 | ret = snd_compress_new(rtd->card->snd_card, num, direction, compr); | |
690 | if (ret < 0) { | |
691 | pr_err("compress asoc: can't create compress for codec %s\n", | |
f4333203 | 692 | codec->component.name); |
1f88eb0f | 693 | goto compr_err; |
1245b700 NK |
694 | } |
695 | ||
202c8f70 CK |
696 | /* DAPM dai link stream work */ |
697 | INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); | |
698 | ||
1245b700 NK |
699 | rtd->compr = compr; |
700 | compr->private_data = rtd; | |
701 | ||
702 | printk(KERN_INFO "compress asoc: %s <-> %s mapping ok\n", codec_dai->name, | |
703 | cpu_dai->name); | |
704 | return ret; | |
1f88eb0f CK |
705 | |
706 | compr_err: | |
707 | kfree(compr); | |
708 | return ret; | |
1245b700 | 709 | } |