Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1// SPDX-License-Identifier: GPL-2.0
2//
3// soc-dai.c
4//
5// Copyright (C) 2019 Renesas Electronics Corp.
6// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7//
8
9#include <sound/soc.h>
10#include <sound/soc-dai.h>
11#include <sound/soc-link.h>
12
13#define soc_dai_ret(dai, ret) _soc_dai_ret(dai, __func__, ret)
14static inline int _soc_dai_ret(const struct snd_soc_dai *dai,
15 const char *func, int ret)
16{
17 return snd_soc_ret(dai->dev, ret,
18 "at %s() on %s\n", func, dai->name);
19}
20
21/*
22 * We might want to check substream by using list.
23 * In such case, we can update these macros.
24 */
25#define soc_dai_mark_push(dai, substream, tgt) ((dai)->mark_##tgt = substream)
26#define soc_dai_mark_pop(dai, tgt) ((dai)->mark_##tgt = NULL)
27#define soc_dai_mark_match(dai, substream, tgt) ((dai)->mark_##tgt == substream)
28
29/**
30 * snd_soc_dai_set_sysclk - configure DAI system or master clock.
31 * @dai: DAI
32 * @clk_id: DAI specific clock ID
33 * @freq: new clock frequency in Hz
34 * @dir: new clock direction (SND_SOC_CLOCK_IN or SND_SOC_CLOCK_OUT)
35 *
36 * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
37 */
38int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
39 unsigned int freq, int dir)
40{
41 int ret;
42
43 if (dai->driver->ops &&
44 dai->driver->ops->set_sysclk)
45 ret = dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
46 else
47 ret = snd_soc_component_set_sysclk(dai->component, clk_id, 0,
48 freq, dir);
49
50 return soc_dai_ret(dai, ret);
51}
52EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
53
54/**
55 * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
56 * @dai: DAI
57 * @div_id: DAI specific clock divider ID
58 * @div: new clock divisor.
59 *
60 * Configures the clock dividers. This is used to derive the best DAI bit and
61 * frame clocks from the system or master clock. It's best to set the DAI bit
62 * and frame clocks as low as possible to save system power.
63 */
64int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
65 int div_id, int div)
66{
67 int ret = -EINVAL;
68
69 if (dai->driver->ops &&
70 dai->driver->ops->set_clkdiv)
71 ret = dai->driver->ops->set_clkdiv(dai, div_id, div);
72
73 return soc_dai_ret(dai, ret);
74}
75EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
76
77/**
78 * snd_soc_dai_set_pll - configure DAI PLL.
79 * @dai: DAI
80 * @pll_id: DAI specific PLL ID
81 * @source: DAI specific source for the PLL
82 * @freq_in: PLL input clock frequency in Hz
83 * @freq_out: requested PLL output clock frequency in Hz
84 *
85 * Configures and enables PLL to generate output clock based on input clock.
86 */
87int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
88 unsigned int freq_in, unsigned int freq_out)
89{
90 int ret;
91
92 if (dai->driver->ops &&
93 dai->driver->ops->set_pll)
94 ret = dai->driver->ops->set_pll(dai, pll_id, source,
95 freq_in, freq_out);
96 else
97 ret = snd_soc_component_set_pll(dai->component, pll_id, source,
98 freq_in, freq_out);
99
100 return soc_dai_ret(dai, ret);
101}
102EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
103
104/**
105 * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio.
106 * @dai: DAI
107 * @ratio: Ratio of BCLK to Sample rate.
108 *
109 * Configures the DAI for a preset BCLK to sample rate ratio.
110 */
111int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
112{
113 int ret = -ENOTSUPP;
114
115 if (dai->driver->ops &&
116 dai->driver->ops->set_bclk_ratio)
117 ret = dai->driver->ops->set_bclk_ratio(dai, ratio);
118
119 return soc_dai_ret(dai, ret);
120}
121EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio);
122
123int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd)
124{
125 struct snd_soc_dai *dai;
126 int i, max = 0;
127
128 /*
129 * return max num if *ALL* DAIs have .auto_selectable_formats
130 */
131 for_each_rtd_dais(rtd, i, dai) {
132 if (dai->driver->ops &&
133 dai->driver->ops->num_auto_selectable_formats)
134 max = max(max, dai->driver->ops->num_auto_selectable_formats);
135 else
136 return 0;
137 }
138
139 return max;
140}
141
142/**
143 * snd_soc_dai_get_fmt - get supported audio format.
144 * @dai: DAI
145 * @priority: priority level of supported audio format.
146 *
147 * This should return only formats implemented with high
148 * quality by the DAI so that the core can configure a
149 * format which will work well with other devices.
150 * For example devices which don't support both edges of the
151 * LRCLK signal in I2S style formats should only list DSP
152 * modes. This will mean that sometimes fewer formats
153 * are reported here than are supported by set_fmt().
154 */
155u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority)
156{
157 const struct snd_soc_dai_ops *ops = dai->driver->ops;
158 u64 fmt = 0;
159 int i, max = 0, until = priority;
160
161 /*
162 * Collect auto_selectable_formats until priority
163 *
164 * ex)
165 * auto_selectable_formats[] = { A, B, C };
166 * (A, B, C = SND_SOC_POSSIBLE_DAIFMT_xxx)
167 *
168 * priority = 1 : A
169 * priority = 2 : A | B
170 * priority = 3 : A | B | C
171 * priority = 4 : A | B | C
172 * ...
173 */
174 if (ops)
175 max = ops->num_auto_selectable_formats;
176
177 if (max < until)
178 until = max;
179
180 if (ops && ops->auto_selectable_formats)
181 for (i = 0; i < until; i++)
182 fmt |= ops->auto_selectable_formats[i];
183
184 return fmt;
185}
186
187/**
188 * snd_soc_dai_set_fmt - configure DAI hardware audio format.
189 * @dai: DAI
190 * @fmt: SND_SOC_DAIFMT_* format value.
191 *
192 * Configures the DAI hardware format and clocking.
193 */
194int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
195{
196 int ret = -ENOTSUPP;
197
198 if (dai->driver->ops && dai->driver->ops->set_fmt)
199 ret = dai->driver->ops->set_fmt(dai, fmt);
200
201 return soc_dai_ret(dai, ret);
202}
203EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
204
205/**
206 * snd_soc_xlate_tdm_slot_mask - generate tx/rx slot mask.
207 * @slots: Number of slots in use.
208 * @tx_mask: bitmask representing active TX slots.
209 * @rx_mask: bitmask representing active RX slots.
210 *
211 * Generates the TDM tx and rx slot default masks for DAI.
212 */
213static int snd_soc_xlate_tdm_slot_mask(unsigned int slots,
214 unsigned int *tx_mask,
215 unsigned int *rx_mask)
216{
217 if (*tx_mask || *rx_mask)
218 return 0;
219
220 if (!slots)
221 return -EINVAL;
222
223 *tx_mask = (1 << slots) - 1;
224 *rx_mask = (1 << slots) - 1;
225
226 return 0;
227}
228
229/**
230 * snd_soc_dai_set_tdm_slot() - Configures a DAI for TDM operation
231 * @dai: The DAI to configure
232 * @tx_mask: bitmask representing active TX slots.
233 * @rx_mask: bitmask representing active RX slots.
234 * @slots: Number of slots in use.
235 * @slot_width: Width in bits for each slot.
236 *
237 * This function configures the specified DAI for TDM operation. @slot contains
238 * the total number of slots of the TDM stream and @slot_with the width of each
239 * slot in bit clock cycles. @tx_mask and @rx_mask are bitmasks specifying the
240 * active slots of the TDM stream for the specified DAI, i.e. which slots the
241 * DAI should write to or read from. If a bit is set the corresponding slot is
242 * active, if a bit is cleared the corresponding slot is inactive. Bit 0 maps to
243 * the first slot, bit 1 to the second slot and so on. The first active slot
244 * maps to the first channel of the DAI, the second active slot to the second
245 * channel and so on.
246 *
247 * TDM mode can be disabled by passing 0 for @slots. In this case @tx_mask,
248 * @rx_mask and @slot_width will be ignored.
249 *
250 * Returns 0 on success, a negative error code otherwise.
251 */
252int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
253 unsigned int tx_mask, unsigned int rx_mask,
254 int slots, int slot_width)
255{
256 int ret = -ENOTSUPP;
257 int stream;
258 unsigned int *tdm_mask[] = {
259 &tx_mask,
260 &rx_mask,
261 };
262
263 if (slots) {
264 if (dai->driver->ops &&
265 dai->driver->ops->xlate_tdm_slot_mask)
266 ret = dai->driver->ops->xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
267 else
268 ret = snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
269 if (ret)
270 goto err;
271 }
272
273 for_each_pcm_streams(stream)
274 snd_soc_dai_tdm_mask_set(dai, stream, *tdm_mask[stream]);
275
276 if (dai->driver->ops &&
277 dai->driver->ops->set_tdm_slot)
278 ret = dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
279 slots, slot_width);
280err:
281 return soc_dai_ret(dai, ret);
282}
283EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
284
285/**
286 * snd_soc_dai_set_tdm_idle() - Configure a DAI's TDM idle mode
287 * @dai: The DAI to configure
288 * @tx_mask: bitmask representing idle TX slots.
289 * @rx_mask: bitmask representing idle RX slots.
290 * @tx_mode: idle mode to set for TX slots.
291 * @rx_mode: idle mode to set for RX slots.
292 *
293 * This function configures the DAI to handle idle TDM slots in the
294 * specified manner. @tx_mode and @rx_mode can be one of
295 * SND_SOC_DAI_TDM_IDLE_NONE, SND_SOC_DAI_TDM_IDLE_ZERO,
296 * SND_SOC_DAI_TDM_IDLE_PULLDOWN, or SND_SOC_DAI_TDM_IDLE_HIZ.
297 * SND_SOC_TDM_IDLE_NONE represents the DAI's default/unset idle slot
298 * handling state and could be any of the other modes depending on the
299 * hardware behind the DAI. It is therefore undefined behaviour when set
300 * explicitly.
301 *
302 * Mode and mask can be set independently for both the TX and RX direction.
303 * Some hardware may ignore both TX and RX masks depending on its
304 * capabilities.
305 */
306int snd_soc_dai_set_tdm_idle(struct snd_soc_dai *dai,
307 unsigned int tx_mask, unsigned int rx_mask,
308 int tx_mode, int rx_mode)
309{
310 int ret = -EOPNOTSUPP;
311
312 /* You can't write to the RX line */
313 if (rx_mode == SND_SOC_DAI_TDM_IDLE_ZERO)
314 return soc_dai_ret(dai, -EINVAL);
315
316 if (dai->driver->ops &&
317 dai->driver->ops->set_tdm_idle)
318 ret = dai->driver->ops->set_tdm_idle(dai, tx_mask, rx_mask,
319 tx_mode, rx_mode);
320
321 return soc_dai_ret(dai, ret);
322}
323EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_idle);
324
325/**
326 * snd_soc_dai_set_channel_map - configure DAI audio channel map
327 * @dai: DAI
328 * @tx_num: how many TX channels
329 * @tx_slot: pointer to an array which imply the TX slot number channel
330 * 0~num-1 uses
331 * @rx_num: how many RX channels
332 * @rx_slot: pointer to an array which imply the RX slot number channel
333 * 0~num-1 uses
334 *
335 * configure the relationship between channel number and TDM slot number.
336 */
337int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
338 unsigned int tx_num, const unsigned int *tx_slot,
339 unsigned int rx_num, const unsigned int *rx_slot)
340{
341 int ret = -ENOTSUPP;
342
343 if (dai->driver->ops &&
344 dai->driver->ops->set_channel_map)
345 ret = dai->driver->ops->set_channel_map(dai, tx_num, tx_slot,
346 rx_num, rx_slot);
347 return soc_dai_ret(dai, ret);
348}
349EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map);
350
351/**
352 * snd_soc_dai_get_channel_map - Get DAI audio channel map
353 * @dai: DAI
354 * @tx_num: how many TX channels
355 * @tx_slot: pointer to an array which imply the TX slot number channel
356 * 0~num-1 uses
357 * @rx_num: how many RX channels
358 * @rx_slot: pointer to an array which imply the RX slot number channel
359 * 0~num-1 uses
360 */
361int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai,
362 unsigned int *tx_num, unsigned int *tx_slot,
363 unsigned int *rx_num, unsigned int *rx_slot)
364{
365 int ret = -ENOTSUPP;
366
367 if (dai->driver->ops &&
368 dai->driver->ops->get_channel_map)
369 ret = dai->driver->ops->get_channel_map(dai, tx_num, tx_slot,
370 rx_num, rx_slot);
371 return soc_dai_ret(dai, ret);
372}
373EXPORT_SYMBOL_GPL(snd_soc_dai_get_channel_map);
374
375/**
376 * snd_soc_dai_set_tristate - configure DAI system or master clock.
377 * @dai: DAI
378 * @tristate: tristate enable
379 *
380 * Tristates the DAI so that others can use it.
381 */
382int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
383{
384 int ret = -EINVAL;
385
386 if (dai->driver->ops &&
387 dai->driver->ops->set_tristate)
388 ret = dai->driver->ops->set_tristate(dai, tristate);
389
390 return soc_dai_ret(dai, ret);
391}
392EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate);
393
394int snd_soc_dai_prepare(struct snd_soc_dai *dai,
395 struct snd_pcm_substream *substream)
396{
397 int ret = 0;
398
399 if (!snd_soc_dai_stream_valid(dai, substream->stream))
400 return 0;
401
402 if (dai->driver->ops &&
403 dai->driver->ops->prepare)
404 ret = dai->driver->ops->prepare(substream, dai);
405
406 return soc_dai_ret(dai, ret);
407}
408EXPORT_SYMBOL_GPL(snd_soc_dai_prepare);
409
410int snd_soc_dai_mute_is_ctrled_at_trigger(struct snd_soc_dai *dai)
411{
412 if (dai->driver->ops)
413 return dai->driver->ops->mute_unmute_on_trigger;
414
415 return 0;
416}
417
418/**
419 * snd_soc_dai_digital_mute - configure DAI system or master clock.
420 * @dai: DAI
421 * @mute: mute enable
422 * @direction: stream to mute
423 *
424 * Mutes the DAI DAC.
425 */
426int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
427 int direction)
428{
429 int ret = -ENOTSUPP;
430
431 /*
432 * ignore if direction was CAPTURE
433 * and it had .no_capture_mute flag
434 */
435 if (dai->driver->ops &&
436 dai->driver->ops->mute_stream &&
437 (direction == SNDRV_PCM_STREAM_PLAYBACK ||
438 !dai->driver->ops->no_capture_mute))
439 ret = dai->driver->ops->mute_stream(dai, mute, direction);
440
441 return soc_dai_ret(dai, ret);
442}
443EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
444
445int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
446 struct snd_pcm_substream *substream,
447 struct snd_pcm_hw_params *params)
448{
449 int ret = 0;
450
451 if (dai->driver->ops &&
452 dai->driver->ops->hw_params)
453 ret = dai->driver->ops->hw_params(substream, params, dai);
454
455 /* mark substream if succeeded */
456 if (ret == 0)
457 soc_dai_mark_push(dai, substream, hw_params);
458
459 return soc_dai_ret(dai, ret);
460}
461
462void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
463 struct snd_pcm_substream *substream,
464 int rollback)
465{
466 if (rollback && !soc_dai_mark_match(dai, substream, hw_params))
467 return;
468
469 if (dai->driver->ops &&
470 dai->driver->ops->hw_free)
471 dai->driver->ops->hw_free(substream, dai);
472
473 /* remove marked substream */
474 soc_dai_mark_pop(dai, hw_params);
475}
476
477int snd_soc_dai_startup(struct snd_soc_dai *dai,
478 struct snd_pcm_substream *substream)
479{
480 int ret = 0;
481
482 if (!snd_soc_dai_stream_valid(dai, substream->stream))
483 return 0;
484
485 if (dai->driver->ops &&
486 dai->driver->ops->startup)
487 ret = dai->driver->ops->startup(substream, dai);
488
489 /* mark substream if succeeded */
490 if (ret == 0)
491 soc_dai_mark_push(dai, substream, startup);
492
493 return soc_dai_ret(dai, ret);
494}
495
496void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
497 struct snd_pcm_substream *substream,
498 int rollback)
499{
500 if (!snd_soc_dai_stream_valid(dai, substream->stream))
501 return;
502
503 if (rollback && !soc_dai_mark_match(dai, substream, startup))
504 return;
505
506 if (dai->driver->ops &&
507 dai->driver->ops->shutdown)
508 dai->driver->ops->shutdown(substream, dai);
509
510 /* remove marked substream */
511 soc_dai_mark_pop(dai, startup);
512}
513
514int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
515 struct snd_soc_pcm_runtime *rtd)
516{
517 int ret = -ENOTSUPP;
518 if (dai->driver->ops &&
519 dai->driver->ops->compress_new)
520 ret = dai->driver->ops->compress_new(rtd);
521 return soc_dai_ret(dai, ret);
522}
523
524/*
525 * snd_soc_dai_stream_valid() - check if a DAI supports the given stream
526 *
527 * Returns true if the DAI supports the indicated stream type.
528 */
529bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int dir)
530{
531 const struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
532
533 /* If the codec specifies any channels at all, it supports the stream */
534 return stream->channels_min;
535}
536
537void snd_soc_dai_action(struct snd_soc_dai *dai,
538 int stream, int action)
539{
540 /* see snd_soc_dai_stream_active() */
541 dai->stream[stream].active += action;
542
543 /* see snd_soc_component_active() */
544 dai->component->active += action;
545}
546EXPORT_SYMBOL_GPL(snd_soc_dai_action);
547
548int snd_soc_dai_active(const struct snd_soc_dai *dai)
549{
550 int stream, active;
551
552 active = 0;
553 for_each_pcm_streams(stream)
554 active += dai->stream[stream].active;
555
556 return active;
557}
558EXPORT_SYMBOL_GPL(snd_soc_dai_active);
559
560int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order)
561{
562 struct snd_soc_dai *dai;
563 int i;
564
565 for_each_rtd_dais(rtd, i, dai) {
566 if (dai->probed)
567 continue;
568
569 if (dai->driver->ops) {
570 if (dai->driver->ops->probe_order != order)
571 continue;
572
573 if (dai->driver->ops->probe) {
574 int ret = dai->driver->ops->probe(dai);
575
576 if (ret < 0)
577 return soc_dai_ret(dai, ret);
578 }
579 }
580 dai->probed = 1;
581 }
582
583 return 0;
584}
585
586int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order)
587{
588 struct snd_soc_dai *dai;
589 int i, r, ret = 0;
590
591 for_each_rtd_dais(rtd, i, dai) {
592 if (!dai->probed)
593 continue;
594
595 if (dai->driver->ops) {
596 if (dai->driver->ops->remove_order != order)
597 continue;
598
599 if (dai->driver->ops->remove) {
600 r = dai->driver->ops->remove(dai);
601 if (r < 0)
602 ret = r; /* use last error */
603 }
604 }
605 dai->probed = 0;
606 }
607
608 return ret;
609}
610
611int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd)
612{
613 struct snd_soc_dai *dai;
614 int i;
615
616 for_each_rtd_dais(rtd, i, dai) {
617 if (dai->driver->ops &&
618 dai->driver->ops->pcm_new) {
619 int ret = dai->driver->ops->pcm_new(rtd, dai);
620 if (ret < 0)
621 return soc_dai_ret(dai, ret);
622 }
623 }
624
625 return 0;
626}
627
628int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream)
629{
630 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
631 struct snd_soc_dai *dai;
632 int i, ret;
633
634 for_each_rtd_dais(rtd, i, dai) {
635 ret = snd_soc_dai_prepare(dai, substream);
636 if (ret < 0)
637 return ret;
638 }
639
640 return 0;
641}
642
643static int soc_dai_trigger(struct snd_soc_dai *dai,
644 struct snd_pcm_substream *substream, int cmd)
645{
646 int ret = 0;
647
648 if (!snd_soc_dai_stream_valid(dai, substream->stream))
649 return 0;
650
651 if (dai->driver->ops &&
652 dai->driver->ops->trigger)
653 ret = dai->driver->ops->trigger(substream, cmd, dai);
654
655 return soc_dai_ret(dai, ret);
656}
657
658int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream,
659 int cmd, int rollback)
660{
661 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
662 struct snd_soc_dai *dai;
663 int i, r, ret = 0;
664
665 switch (cmd) {
666 case SNDRV_PCM_TRIGGER_START:
667 case SNDRV_PCM_TRIGGER_RESUME:
668 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
669 for_each_rtd_dais(rtd, i, dai) {
670 ret = soc_dai_trigger(dai, substream, cmd);
671 if (ret < 0)
672 break;
673
674 if (snd_soc_dai_mute_is_ctrled_at_trigger(dai))
675 snd_soc_dai_digital_mute(dai, 0, substream->stream);
676
677 soc_dai_mark_push(dai, substream, trigger);
678 }
679 break;
680 case SNDRV_PCM_TRIGGER_STOP:
681 case SNDRV_PCM_TRIGGER_SUSPEND:
682 case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
683 for_each_rtd_dais(rtd, i, dai) {
684 if (rollback && !soc_dai_mark_match(dai, substream, trigger))
685 continue;
686
687 if (snd_soc_dai_mute_is_ctrled_at_trigger(dai))
688 snd_soc_dai_digital_mute(dai, 1, substream->stream);
689
690 r = soc_dai_trigger(dai, substream, cmd);
691 if (r < 0)
692 ret = r; /* use last ret */
693 soc_dai_mark_pop(dai, trigger);
694 }
695 }
696
697 return ret;
698}
699
700void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream,
701 snd_pcm_sframes_t *cpu_delay,
702 snd_pcm_sframes_t *codec_delay)
703{
704 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
705 struct snd_soc_dai *dai;
706 int i;
707
708 /*
709 * We're looking for the delay through the full audio path so it needs to
710 * be the maximum of the DAIs doing transmit and the maximum of the DAIs
711 * doing receive (ie, all CPUs and all CODECs) rather than just the maximum
712 * of all DAIs.
713 */
714
715 /* for CPU */
716 for_each_rtd_cpu_dais(rtd, i, dai)
717 if (dai->driver->ops &&
718 dai->driver->ops->delay)
719 *cpu_delay = max(*cpu_delay, dai->driver->ops->delay(substream, dai));
720
721 /* for Codec */
722 for_each_rtd_codec_dais(rtd, i, dai)
723 if (dai->driver->ops &&
724 dai->driver->ops->delay)
725 *codec_delay = max(*codec_delay, dai->driver->ops->delay(substream, dai));
726}
727
728int snd_soc_dai_compr_startup(struct snd_soc_dai *dai,
729 struct snd_compr_stream *cstream)
730{
731 int ret = 0;
732
733 if (dai->driver->cops &&
734 dai->driver->cops->startup)
735 ret = dai->driver->cops->startup(cstream, dai);
736
737 /* mark cstream if succeeded */
738 if (ret == 0)
739 soc_dai_mark_push(dai, cstream, compr_startup);
740
741 return soc_dai_ret(dai, ret);
742}
743EXPORT_SYMBOL_GPL(snd_soc_dai_compr_startup);
744
745void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,
746 struct snd_compr_stream *cstream,
747 int rollback)
748{
749 if (rollback && !soc_dai_mark_match(dai, cstream, compr_startup))
750 return;
751
752 if (dai->driver->cops &&
753 dai->driver->cops->shutdown)
754 dai->driver->cops->shutdown(cstream, dai);
755
756 /* remove marked cstream */
757 soc_dai_mark_pop(dai, compr_startup);
758}
759EXPORT_SYMBOL_GPL(snd_soc_dai_compr_shutdown);
760
761int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,
762 struct snd_compr_stream *cstream, int cmd)
763{
764 int ret = 0;
765
766 if (dai->driver->cops &&
767 dai->driver->cops->trigger)
768 ret = dai->driver->cops->trigger(cstream, cmd, dai);
769
770 return soc_dai_ret(dai, ret);
771}
772EXPORT_SYMBOL_GPL(snd_soc_dai_compr_trigger);
773
774int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,
775 struct snd_compr_stream *cstream,
776 struct snd_compr_params *params)
777{
778 int ret = 0;
779
780 if (dai->driver->cops &&
781 dai->driver->cops->set_params)
782 ret = dai->driver->cops->set_params(cstream, params, dai);
783
784 return soc_dai_ret(dai, ret);
785}
786EXPORT_SYMBOL_GPL(snd_soc_dai_compr_set_params);
787
788int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
789 struct snd_compr_stream *cstream,
790 struct snd_codec *params)
791{
792 int ret = 0;
793
794 if (dai->driver->cops &&
795 dai->driver->cops->get_params)
796 ret = dai->driver->cops->get_params(cstream, params, dai);
797
798 return soc_dai_ret(dai, ret);
799}
800EXPORT_SYMBOL_GPL(snd_soc_dai_compr_get_params);
801
802int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,
803 struct snd_compr_stream *cstream,
804 size_t bytes)
805{
806 int ret = 0;
807
808 if (dai->driver->cops &&
809 dai->driver->cops->ack)
810 ret = dai->driver->cops->ack(cstream, bytes, dai);
811
812 return soc_dai_ret(dai, ret);
813}
814EXPORT_SYMBOL_GPL(snd_soc_dai_compr_ack);
815
816int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai,
817 struct snd_compr_stream *cstream,
818 struct snd_compr_tstamp64 *tstamp)
819{
820 int ret = 0;
821
822 if (dai->driver->cops &&
823 dai->driver->cops->pointer)
824 ret = dai->driver->cops->pointer(cstream, tstamp, dai);
825
826 return soc_dai_ret(dai, ret);
827}
828EXPORT_SYMBOL_GPL(snd_soc_dai_compr_pointer);
829
830int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai,
831 struct snd_compr_stream *cstream,
832 struct snd_compr_metadata *metadata)
833{
834 int ret = 0;
835
836 if (dai->driver->cops &&
837 dai->driver->cops->set_metadata)
838 ret = dai->driver->cops->set_metadata(cstream, metadata, dai);
839
840 return soc_dai_ret(dai, ret);
841}
842EXPORT_SYMBOL_GPL(snd_soc_dai_compr_set_metadata);
843
844int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai,
845 struct snd_compr_stream *cstream,
846 struct snd_compr_metadata *metadata)
847{
848 int ret = 0;
849
850 if (dai->driver->cops &&
851 dai->driver->cops->get_metadata)
852 ret = dai->driver->cops->get_metadata(cstream, metadata, dai);
853
854 return soc_dai_ret(dai, ret);
855}
856EXPORT_SYMBOL_GPL(snd_soc_dai_compr_get_metadata);