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iwl3945: do not print RFKILL message
[linux/fpc-iii.git] / sound / soc / sh / rcar / core.c
blob78c35b44fc0489a05f8b9de03a7848e9d52a2618
1 /*
2 * Renesas R-Car SRU/SCU/SSIU/SSI support
3 *
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * Based on fsi.c
8 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 /*
16 * Renesas R-Car sound device structure
17 *
18 * Gen1
19 *
20 * SRU : Sound Routing Unit
21 * - SRC : Sampling Rate Converter
22 * - CMD
23 * - CTU : Channel Count Conversion Unit
24 * - MIX : Mixer
25 * - DVC : Digital Volume and Mute Function
26 * - SSI : Serial Sound Interface
27 *
28 * Gen2
29 *
30 * SCU : Sampling Rate Converter Unit
31 * - SRC : Sampling Rate Converter
32 * - CMD
33 * - CTU : Channel Count Conversion Unit
34 * - MIX : Mixer
35 * - DVC : Digital Volume and Mute Function
36 * SSIU : Serial Sound Interface Unit
37 * - SSI : Serial Sound Interface
38 */
39
40 /*
41 * driver data Image
42 *
43 * rsnd_priv
44 * |
45 * | ** this depends on Gen1/Gen2
46 * |
47 * +- gen
48 * |
49 * | ** these depend on data path
50 * | ** gen and platform data control it
51 * |
52 * +- rdai[0]
53 * | | sru ssiu ssi
54 * | +- playback -> [mod] -> [mod] -> [mod] -> ...
55 * | |
56 * | | sru ssiu ssi
57 * | +- capture -> [mod] -> [mod] -> [mod] -> ...
58 * |
59 * +- rdai[1]
60 * | | sru ssiu ssi
61 * | +- playback -> [mod] -> [mod] -> [mod] -> ...
62 * | |
63 * | | sru ssiu ssi
64 * | +- capture -> [mod] -> [mod] -> [mod] -> ...
65 * ...
66 * |
67 * | ** these control ssi
68 * |
69 * +- ssi
70 * | |
71 * | +- ssi[0]
72 * | +- ssi[1]
73 * | +- ssi[2]
74 * | ...
75 * |
76 * | ** these control scu
77 * |
78 * +- scu
79 * |
80 * +- scu[0]
81 * +- scu[1]
82 * +- scu[2]
83 * ...
84 *
85 *
86 * for_each_rsnd_dai(xx, priv, xx)
87 * rdai[0] => rdai[1] => rdai[2] => ...
88 *
89 * for_each_rsnd_mod(xx, rdai, xx)
90 * [mod] => [mod] => [mod] => ...
91 *
92 * rsnd_dai_call(xxx, fn )
93 * [mod]->fn() -> [mod]->fn() -> [mod]->fn()...
94 *
95 */
96 #include <linux/pm_runtime.h>
97 #include <linux/shdma-base.h>
98 #include "rsnd.h"
99
100 #define RSND_RATES SNDRV_PCM_RATE_8000_96000
101 #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
102
103 /*
104 * rsnd_platform functions
105 */
106 #define rsnd_platform_call(priv, dai, func, param...) \
107 (!(priv->info->func) ? 0 : \
108 priv->info->func(param))
109
110 /*
111 * rsnd_mod functions
112 */
113 char *rsnd_mod_name(struct rsnd_mod *mod)
114 {
115 if (!mod || !mod->ops)
116 return "unknown";
117
118 return mod->ops->name;
119 }
120
121 void rsnd_mod_init(struct rsnd_priv *priv,
122 struct rsnd_mod *mod,
123 struct rsnd_mod_ops *ops,
124 int id)
125 {
126 mod->priv = priv;
127 mod->id = id;
128 mod->ops = ops;
129 INIT_LIST_HEAD(&mod->list);
130 }
131
132 /*
133 * rsnd_dma functions
134 */
135 static void rsnd_dma_continue(struct rsnd_dma *dma)
136 {
137 /* push next A or B plane */
138 dma->submit_loop = 1;
139 schedule_work(&dma->work);
140 }
141
142 void rsnd_dma_start(struct rsnd_dma *dma)
143 {
144 /* push both A and B plane*/
145 dma->submit_loop = 2;
146 schedule_work(&dma->work);
147 }
148
149 void rsnd_dma_stop(struct rsnd_dma *dma)
150 {
151 dma->submit_loop = 0;
152 cancel_work_sync(&dma->work);
153 dmaengine_terminate_all(dma->chan);
154 }
155
156 static void rsnd_dma_complete(void *data)
157 {
158 struct rsnd_dma *dma = (struct rsnd_dma *)data;
159 struct rsnd_priv *priv = dma->priv;
160 unsigned long flags;
161
162 rsnd_lock(priv, flags);
163
164 dma->complete(dma);
165
166 if (dma->submit_loop)
167 rsnd_dma_continue(dma);
168
169 rsnd_unlock(priv, flags);
170 }
171
172 static void rsnd_dma_do_work(struct work_struct *work)
173 {
174 struct rsnd_dma *dma = container_of(work, struct rsnd_dma, work);
175 struct rsnd_priv *priv = dma->priv;
176 struct device *dev = rsnd_priv_to_dev(priv);
177 struct dma_async_tx_descriptor *desc;
178 dma_addr_t buf;
179 size_t len;
180 int i;
181
182 for (i = 0; i < dma->submit_loop; i++) {
183
184 if (dma->inquiry(dma, &buf, &len) < 0)
185 return;
186
187 desc = dmaengine_prep_slave_single(
188 dma->chan, buf, len, dma->dir,
189 DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
190 if (!desc) {
191 dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
192 return;
193 }
194
195 desc->callback = rsnd_dma_complete;
196 desc->callback_param = dma;
197
198 if (dmaengine_submit(desc) < 0) {
199 dev_err(dev, "dmaengine_submit() fail\n");
200 return;
201 }
202
203 }
204
205 dma_async_issue_pending(dma->chan);
206 }
207
208 int rsnd_dma_available(struct rsnd_dma *dma)
209 {
210 return !!dma->chan;
211 }
212
213 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
214 int is_play, int id,
215 int (*inquiry)(struct rsnd_dma *dma,
216 dma_addr_t *buf, int *len),
217 int (*complete)(struct rsnd_dma *dma))
218 {
219 struct device *dev = rsnd_priv_to_dev(priv);
220 struct dma_slave_config cfg;
221 dma_cap_mask_t mask;
222 int ret;
223
224 if (dma->chan) {
225 dev_err(dev, "it already has dma channel\n");
226 return -EIO;
227 }
228
229 dma_cap_zero(mask);
230 dma_cap_set(DMA_SLAVE, mask);
231
232 dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
233 (void *)id, dev,
234 is_play ? "tx" : "rx");
235 if (!dma->chan) {
236 dev_err(dev, "can't get dma channel\n");
237 return -EIO;
238 }
239
240 cfg.slave_id = id;
241 cfg.dst_addr = 0; /* use default addr when playback */
242 cfg.src_addr = 0; /* use default addr when capture */
243 cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
244
245 ret = dmaengine_slave_config(dma->chan, &cfg);
246 if (ret < 0)
247 goto rsnd_dma_init_err;
248
249 dma->dir = is_play ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
250 dma->priv = priv;
251 dma->inquiry = inquiry;
252 dma->complete = complete;
253 INIT_WORK(&dma->work, rsnd_dma_do_work);
254
255 return 0;
256
257 rsnd_dma_init_err:
258 rsnd_dma_quit(priv, dma);
259
260 return ret;
261 }
262
263 void rsnd_dma_quit(struct rsnd_priv *priv,
264 struct rsnd_dma *dma)
265 {
266 if (dma->chan)
267 dma_release_channel(dma->chan);
268
269 dma->chan = NULL;
270 }
271
272 /*
273 * rsnd_dai functions
274 */
275 #define rsnd_dai_call(rdai, io, fn) \
276 ({ \
277 struct rsnd_mod *mod, *n; \
278 int ret = 0; \
279 for_each_rsnd_mod(mod, n, io) { \
280 ret = rsnd_mod_call(mod, fn, rdai, io); \
281 if (ret < 0) \
282 break; \
283 } \
284 ret; \
285 })
286
287 int rsnd_dai_connect(struct rsnd_dai *rdai,
288 struct rsnd_mod *mod,
289 struct rsnd_dai_stream *io)
290 {
291 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
292 struct device *dev = rsnd_priv_to_dev(priv);
293
294 if (!mod) {
295 dev_err(dev, "NULL mod\n");
296 return -EIO;
297 }
298
299 if (!list_empty(&mod->list)) {
300 dev_err(dev, "%s%d is not empty\n",
301 rsnd_mod_name(mod),
302 rsnd_mod_id(mod));
303 return -EIO;
304 }
305
306 list_add_tail(&mod->list, &io->head);
307
308 return 0;
309 }
310
311 int rsnd_dai_disconnect(struct rsnd_mod *mod)
312 {
313 list_del_init(&mod->list);
314
315 return 0;
316 }
317
318 int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai)
319 {
320 int id = rdai - priv->rdai;
321
322 if ((id < 0) || (id >= rsnd_dai_nr(priv)))
323 return -EINVAL;
324
325 return id;
326 }
327
328 struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id)
329 {
330 if ((id < 0) || (id >= rsnd_dai_nr(priv)))
331 return NULL;
332
333 return priv->rdai + id;
334 }
335
336 static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
337 {
338 struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
339
340 return rsnd_dai_get(priv, dai->id);
341 }
342
343 int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io)
344 {
345 return &rdai->playback == io;
346 }
347
348 /*
349 * rsnd_soc_dai functions
350 */
351 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional)
352 {
353 struct snd_pcm_substream *substream = io->substream;
354 struct snd_pcm_runtime *runtime = substream->runtime;
355 int pos = io->byte_pos + additional;
356
357 pos %= (runtime->periods * io->byte_per_period);
358
359 return pos;
360 }
361
362 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte)
363 {
364 io->byte_pos += byte;
365
366 if (io->byte_pos >= io->next_period_byte) {
367 struct snd_pcm_substream *substream = io->substream;
368 struct snd_pcm_runtime *runtime = substream->runtime;
369
370 io->period_pos++;
371 io->next_period_byte += io->byte_per_period;
372
373 if (io->period_pos >= runtime->periods) {
374 io->byte_pos = 0;
375 io->period_pos = 0;
376 io->next_period_byte = io->byte_per_period;
377 }
378
379 snd_pcm_period_elapsed(substream);
380 }
381 }
382
383 static int rsnd_dai_stream_init(struct rsnd_dai_stream *io,
384 struct snd_pcm_substream *substream)
385 {
386 struct snd_pcm_runtime *runtime = substream->runtime;
387
388 if (!list_empty(&io->head))
389 return -EIO;
390
391 INIT_LIST_HEAD(&io->head);
392 io->substream = substream;
393 io->byte_pos = 0;
394 io->period_pos = 0;
395 io->byte_per_period = runtime->period_size *
396 runtime->channels *
397 samples_to_bytes(runtime, 1);
398 io->next_period_byte = io->byte_per_period;
399
400 return 0;
401 }
402
403 static
404 struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream)
405 {
406 struct snd_soc_pcm_runtime *rtd = substream->private_data;
407
408 return rtd->cpu_dai;
409 }
410
411 static
412 struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai,
413 struct snd_pcm_substream *substream)
414 {
415 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
416 return &rdai->playback;
417 else
418 return &rdai->capture;
419 }
420
421 static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
422 struct snd_soc_dai *dai)
423 {
424 struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
425 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
426 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
427 struct rsnd_mod *mod = rsnd_ssi_mod_get_frm_dai(priv,
428 rsnd_dai_id(priv, rdai),
429 rsnd_dai_is_play(rdai, io));
430 int ssi_id = rsnd_mod_id(mod);
431 int ret;
432 unsigned long flags;
433
434 rsnd_lock(priv, flags);
435
436 switch (cmd) {
437 case SNDRV_PCM_TRIGGER_START:
438 ret = rsnd_dai_stream_init(io, substream);
439 if (ret < 0)
440 goto dai_trigger_end;
441
442 ret = rsnd_platform_call(priv, dai, start, ssi_id);
443 if (ret < 0)
444 goto dai_trigger_end;
445
446 ret = rsnd_gen_path_init(priv, rdai, io);
447 if (ret < 0)
448 goto dai_trigger_end;
449
450 ret = rsnd_dai_call(rdai, io, init);
451 if (ret < 0)
452 goto dai_trigger_end;
453
454 ret = rsnd_dai_call(rdai, io, start);
455 if (ret < 0)
456 goto dai_trigger_end;
457 break;
458 case SNDRV_PCM_TRIGGER_STOP:
459 ret = rsnd_dai_call(rdai, io, stop);
460 if (ret < 0)
461 goto dai_trigger_end;
462
463 ret = rsnd_dai_call(rdai, io, quit);
464 if (ret < 0)
465 goto dai_trigger_end;
466
467 ret = rsnd_gen_path_exit(priv, rdai, io);
468 if (ret < 0)
469 goto dai_trigger_end;
470
471 ret = rsnd_platform_call(priv, dai, stop, ssi_id);
472 if (ret < 0)
473 goto dai_trigger_end;
474 break;
475 default:
476 ret = -EINVAL;
477 }
478
479 dai_trigger_end:
480 rsnd_unlock(priv, flags);
481
482 return ret;
483 }
484
485 static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
486 {
487 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
488
489 /* set master/slave audio interface */
490 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
491 case SND_SOC_DAIFMT_CBM_CFM:
492 rdai->clk_master = 1;
493 break;
494 case SND_SOC_DAIFMT_CBS_CFS:
495 rdai->clk_master = 0;
496 break;
497 default:
498 return -EINVAL;
499 }
500
501 /* set clock inversion */
502 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
503 case SND_SOC_DAIFMT_NB_IF:
504 rdai->bit_clk_inv = 0;
505 rdai->frm_clk_inv = 1;
506 break;
507 case SND_SOC_DAIFMT_IB_NF:
508 rdai->bit_clk_inv = 1;
509 rdai->frm_clk_inv = 0;
510 break;
511 case SND_SOC_DAIFMT_IB_IF:
512 rdai->bit_clk_inv = 1;
513 rdai->frm_clk_inv = 1;
514 break;
515 case SND_SOC_DAIFMT_NB_NF:
516 default:
517 rdai->bit_clk_inv = 0;
518 rdai->frm_clk_inv = 0;
519 break;
520 }
521
522 /* set format */
523 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
524 case SND_SOC_DAIFMT_I2S:
525 rdai->sys_delay = 0;
526 rdai->data_alignment = 0;
527 break;
528 case SND_SOC_DAIFMT_LEFT_J:
529 rdai->sys_delay = 1;
530 rdai->data_alignment = 0;
531 break;
532 case SND_SOC_DAIFMT_RIGHT_J:
533 rdai->sys_delay = 1;
534 rdai->data_alignment = 1;
535 break;
536 }
537
538 return 0;
539 }
540
541 static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
542 .trigger = rsnd_soc_dai_trigger,
543 .set_fmt = rsnd_soc_dai_set_fmt,
544 };
545
546 static int rsnd_dai_probe(struct platform_device *pdev,
547 struct rcar_snd_info *info,
548 struct rsnd_priv *priv)
549 {
550 struct snd_soc_dai_driver *drv;
551 struct rsnd_dai *rdai;
552 struct rsnd_mod *pmod, *cmod;
553 struct device *dev = rsnd_priv_to_dev(priv);
554 int dai_nr;
555 int i;
556
557 /* get max dai nr */
558 for (dai_nr = 0; dai_nr < 32; dai_nr++) {
559 pmod = rsnd_ssi_mod_get_frm_dai(priv, dai_nr, 1);
560 cmod = rsnd_ssi_mod_get_frm_dai(priv, dai_nr, 0);
561
562 if (!pmod && !cmod)
563 break;
564 }
565
566 if (!dai_nr) {
567 dev_err(dev, "no dai\n");
568 return -EIO;
569 }
570
571 drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL);
572 rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL);
573 if (!drv || !rdai) {
574 dev_err(dev, "dai allocate failed\n");
575 return -ENOMEM;
576 }
577
578 for (i = 0; i < dai_nr; i++) {
579
580 pmod = rsnd_ssi_mod_get_frm_dai(priv, i, 1);
581 cmod = rsnd_ssi_mod_get_frm_dai(priv, i, 0);
582
583 /*
584 * init rsnd_dai
585 */
586 INIT_LIST_HEAD(&rdai[i].playback.head);
587 INIT_LIST_HEAD(&rdai[i].capture.head);
588
589 snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i);
590
591 /*
592 * init snd_soc_dai_driver
593 */
594 drv[i].name = rdai[i].name;
595 drv[i].ops = &rsnd_soc_dai_ops;
596 if (pmod) {
597 drv[i].playback.rates = RSND_RATES;
598 drv[i].playback.formats = RSND_FMTS;
599 drv[i].playback.channels_min = 2;
600 drv[i].playback.channels_max = 2;
601 }
602 if (cmod) {
603 drv[i].capture.rates = RSND_RATES;
604 drv[i].capture.formats = RSND_FMTS;
605 drv[i].capture.channels_min = 2;
606 drv[i].capture.channels_max = 2;
607 }
608
609 dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name,
610 pmod ? "play" : " -- ",
611 cmod ? "capture" : " -- ");
612 }
613
614 priv->dai_nr = dai_nr;
615 priv->daidrv = drv;
616 priv->rdai = rdai;
617
618 return 0;
619 }
620
621 static void rsnd_dai_remove(struct platform_device *pdev,
622 struct rsnd_priv *priv)
623 {
624 }
625
626 /*
627 * pcm ops
628 */
629 static struct snd_pcm_hardware rsnd_pcm_hardware = {
630 .info = SNDRV_PCM_INFO_INTERLEAVED |
631 SNDRV_PCM_INFO_MMAP |
632 SNDRV_PCM_INFO_MMAP_VALID |
633 SNDRV_PCM_INFO_PAUSE,
634 .formats = RSND_FMTS,
635 .rates = RSND_RATES,
636 .rate_min = 8000,
637 .rate_max = 192000,
638 .channels_min = 2,
639 .channels_max = 2,
640 .buffer_bytes_max = 64 * 1024,
641 .period_bytes_min = 32,
642 .period_bytes_max = 8192,
643 .periods_min = 1,
644 .periods_max = 32,
645 .fifo_size = 256,
646 };
647
648 static int rsnd_pcm_open(struct snd_pcm_substream *substream)
649 {
650 struct snd_pcm_runtime *runtime = substream->runtime;
651 int ret = 0;
652
653 snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);
654
655 ret = snd_pcm_hw_constraint_integer(runtime,
656 SNDRV_PCM_HW_PARAM_PERIODS);
657
658 return ret;
659 }
660
661 static int rsnd_hw_params(struct snd_pcm_substream *substream,
662 struct snd_pcm_hw_params *hw_params)
663 {
664 return snd_pcm_lib_malloc_pages(substream,
665 params_buffer_bytes(hw_params));
666 }
667
668 static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)
669 {
670 struct snd_pcm_runtime *runtime = substream->runtime;
671 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
672 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
673 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
674
675 return bytes_to_frames(runtime, io->byte_pos);
676 }
677
678 static struct snd_pcm_ops rsnd_pcm_ops = {
679 .open = rsnd_pcm_open,
680 .ioctl = snd_pcm_lib_ioctl,
681 .hw_params = rsnd_hw_params,
682 .hw_free = snd_pcm_lib_free_pages,
683 .pointer = rsnd_pointer,
684 };
685
686 /*
687 * snd_soc_platform
688 */
689
690 #define PREALLOC_BUFFER (32 * 1024)
691 #define PREALLOC_BUFFER_MAX (32 * 1024)
692
693 static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
694 {
695 return snd_pcm_lib_preallocate_pages_for_all(
696 rtd->pcm,
697 SNDRV_DMA_TYPE_DEV,
698 rtd->card->snd_card->dev,
699 PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
700 }
701
702 static void rsnd_pcm_free(struct snd_pcm *pcm)
703 {
704 snd_pcm_lib_preallocate_free_for_all(pcm);
705 }
706
707 static struct snd_soc_platform_driver rsnd_soc_platform = {
708 .ops = &rsnd_pcm_ops,
709 .pcm_new = rsnd_pcm_new,
710 .pcm_free = rsnd_pcm_free,
711 };
712
713 static const struct snd_soc_component_driver rsnd_soc_component = {
714 .name = "rsnd",
715 };
716
717 /*
718 * rsnd probe
719 */
720 static int rsnd_probe(struct platform_device *pdev)
721 {
722 struct rcar_snd_info *info;
723 struct rsnd_priv *priv;
724 struct device *dev = &pdev->dev;
725 int ret;
726
727 info = pdev->dev.platform_data;
728 if (!info) {
729 dev_err(dev, "driver needs R-Car sound information\n");
730 return -ENODEV;
731 }
732
733 /*
734 * init priv data
735 */
736 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
737 if (!priv) {
738 dev_err(dev, "priv allocate failed\n");
739 return -ENODEV;
740 }
741
742 priv->dev = dev;
743 priv->info = info;
744 spin_lock_init(&priv->lock);
745
746 /*
747 * init each module
748 */
749 ret = rsnd_gen_probe(pdev, info, priv);
750 if (ret < 0)
751 return ret;
752
753 ret = rsnd_scu_probe(pdev, info, priv);
754 if (ret < 0)
755 return ret;
756
757 ret = rsnd_adg_probe(pdev, info, priv);
758 if (ret < 0)
759 return ret;
760
761 ret = rsnd_ssi_probe(pdev, info, priv);
762 if (ret < 0)
763 return ret;
764
765 ret = rsnd_dai_probe(pdev, info, priv);
766 if (ret < 0)
767 return ret;
768
769 /*
770 * asoc register
771 */
772 ret = snd_soc_register_platform(dev, &rsnd_soc_platform);
773 if (ret < 0) {
774 dev_err(dev, "cannot snd soc register\n");
775 return ret;
776 }
777
778 ret = snd_soc_register_component(dev, &rsnd_soc_component,
779 priv->daidrv, rsnd_dai_nr(priv));
780 if (ret < 0) {
781 dev_err(dev, "cannot snd dai register\n");
782 goto exit_snd_soc;
783 }
784
785 dev_set_drvdata(dev, priv);
786
787 pm_runtime_enable(dev);
788
789 dev_info(dev, "probed\n");
790 return ret;
791
792 exit_snd_soc:
793 snd_soc_unregister_platform(dev);
794
795 return ret;
796 }
797
798 static int rsnd_remove(struct platform_device *pdev)
799 {
800 struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
801
802 pm_runtime_disable(&pdev->dev);
803
804 /*
805 * remove each module
806 */
807 rsnd_ssi_remove(pdev, priv);
808 rsnd_adg_remove(pdev, priv);
809 rsnd_scu_remove(pdev, priv);
810 rsnd_dai_remove(pdev, priv);
811 rsnd_gen_remove(pdev, priv);
812
813 return 0;
814 }
815
816 static struct platform_driver rsnd_driver = {
817 .driver = {
818 .name = "rcar_sound",
819 },
820 .probe = rsnd_probe,
821 .remove = rsnd_remove,
822 };
823 module_platform_driver(rsnd_driver);
824
825 MODULE_LICENSE("GPL");
826 MODULE_DESCRIPTION("Renesas R-Car audio driver");
827 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
828 MODULE_ALIAS("platform:rcar-pcm-audio");
Linux with added FPC-III support