2 * Renesas R-Car SRU/SCU/SSIU/SSI support
4 * Copyright (C) 2013 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
8 * Kuninori Morimoto <morimoto.kuninori@renesas.com>
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.
16 * Renesas R-Car sound device structure
20 * SRU : Sound Routing Unit
21 * - SRC : Sampling Rate Converter
23 * - CTU : Channel Count Conversion Unit
25 * - DVC : Digital Volume and Mute Function
26 * - SSI : Serial Sound Interface
30 * SCU : Sampling Rate Converter Unit
31 * - SRC : Sampling Rate Converter
33 * - CTU : Channel Count Conversion Unit
35 * - DVC : Digital Volume and Mute Function
36 * SSIU : Serial Sound Interface Unit
37 * - SSI : Serial Sound Interface
45 * | ** this depends on Gen1/Gen2
49 * | ** these depend on data path
50 * | ** gen and platform data control it
54 * | +- playback -> [mod] -> [mod] -> [mod] -> ...
57 * | +- capture -> [mod] -> [mod] -> [mod] -> ...
61 * | +- playback -> [mod] -> [mod] -> [mod] -> ...
64 * | +- capture -> [mod] -> [mod] -> [mod] -> ...
67 * | ** these control ssi
76 * | ** these control scu
86 * for_each_rsnd_dai(xx, priv, xx)
87 * rdai[0] => rdai[1] => rdai[2] => ...
89 * for_each_rsnd_mod(xx, rdai, xx)
90 * [mod] => [mod] => [mod] => ...
92 * rsnd_dai_call(xxx, fn )
93 * [mod]->fn() -> [mod]->fn() -> [mod]->fn()...
96 #include <linux/pm_runtime.h>
97 #include <linux/shdma-base.h>
100 #define RSND_RATES SNDRV_PCM_RATE_8000_96000
101 #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE)
104 * rsnd_platform functions
106 #define rsnd_platform_call(priv, dai, func, param...) \
107 (!(priv->info->func) ? 0 : \
108 priv->info->func(param))
110 #define rsnd_is_enable_path(io, name) \
111 ((io)->info ? (io)->info->name : NULL)
112 #define rsnd_info_id(priv, io, name) \
113 ((io)->info->name - priv->info->name##_info)
118 char *rsnd_mod_name(struct rsnd_mod
*mod
)
120 if (!mod
|| !mod
->ops
)
123 return mod
->ops
->name
;
126 void rsnd_mod_init(struct rsnd_priv
*priv
,
127 struct rsnd_mod
*mod
,
128 struct rsnd_mod_ops
*ops
,
129 enum rsnd_mod_type type
,
141 static void __rsnd_dma_start(struct rsnd_dma
*dma
);
142 static void rsnd_dma_continue(struct rsnd_dma
*dma
)
144 /* push next A or B plane */
145 dma
->submit_loop
= 1;
146 schedule_work(&dma
->work
);
149 void rsnd_dma_start(struct rsnd_dma
*dma
)
151 /* push both A and B plane*/
153 dma
->submit_loop
= 2;
154 __rsnd_dma_start(dma
);
157 void rsnd_dma_stop(struct rsnd_dma
*dma
)
159 dma
->submit_loop
= 0;
160 cancel_work_sync(&dma
->work
);
161 dmaengine_terminate_all(dma
->chan
);
164 static void rsnd_dma_complete(void *data
)
166 struct rsnd_dma
*dma
= (struct rsnd_dma
*)data
;
167 struct rsnd_mod
*mod
= rsnd_dma_to_mod(dma
);
168 struct rsnd_priv
*priv
= rsnd_mod_to_priv(rsnd_dma_to_mod(dma
));
169 struct rsnd_dai_stream
*io
= rsnd_mod_to_io(mod
);
172 rsnd_lock(priv
, flags
);
175 * Renesas sound Gen1 needs 1 DMAC,
177 * In Gen2 case, it are Audio-DMAC, and Audio-DMAC-peri-peri.
178 * But, Audio-DMAC-peri-peri doesn't have interrupt,
179 * and this driver is assuming that here.
181 * If Audio-DMAC-peri-peri has interrpt,
182 * rsnd_dai_pointer_update() will be called twice,
183 * ant it will breaks io->byte_pos
186 rsnd_dai_pointer_update(io
, io
->byte_per_period
);
188 if (dma
->submit_loop
)
189 rsnd_dma_continue(dma
);
191 rsnd_unlock(priv
, flags
);
194 static void __rsnd_dma_start(struct rsnd_dma
*dma
)
196 struct rsnd_mod
*mod
= rsnd_dma_to_mod(dma
);
197 struct rsnd_priv
*priv
= rsnd_mod_to_priv(mod
);
198 struct rsnd_dai_stream
*io
= rsnd_mod_to_io(mod
);
199 struct snd_pcm_runtime
*runtime
= rsnd_io_to_runtime(io
);
200 struct device
*dev
= rsnd_priv_to_dev(priv
);
201 struct dma_async_tx_descriptor
*desc
;
203 size_t len
= io
->byte_per_period
;
206 for (i
= 0; i
< dma
->submit_loop
; i
++) {
208 buf
= runtime
->dma_addr
+
209 rsnd_dai_pointer_offset(io
, dma
->offset
+ len
);
212 desc
= dmaengine_prep_slave_single(
213 dma
->chan
, buf
, len
, dma
->dir
,
214 DMA_PREP_INTERRUPT
| DMA_CTRL_ACK
);
216 dev_err(dev
, "dmaengine_prep_slave_sg() fail\n");
220 desc
->callback
= rsnd_dma_complete
;
221 desc
->callback_param
= dma
;
223 if (dmaengine_submit(desc
) < 0) {
224 dev_err(dev
, "dmaengine_submit() fail\n");
228 dma_async_issue_pending(dma
->chan
);
232 static void rsnd_dma_do_work(struct work_struct
*work
)
234 struct rsnd_dma
*dma
= container_of(work
, struct rsnd_dma
, work
);
236 __rsnd_dma_start(dma
);
239 int rsnd_dma_available(struct rsnd_dma
*dma
)
244 int rsnd_dma_init(struct rsnd_priv
*priv
, struct rsnd_dma
*dma
,
247 struct device
*dev
= rsnd_priv_to_dev(priv
);
248 struct dma_slave_config cfg
;
253 dev_err(dev
, "it already has dma channel\n");
258 dma_cap_set(DMA_SLAVE
, mask
);
260 dma
->chan
= dma_request_slave_channel_compat(mask
, shdma_chan_filter
,
262 is_play
? "tx" : "rx");
264 dev_err(dev
, "can't get dma channel\n");
269 cfg
.dst_addr
= 0; /* use default addr when playback */
270 cfg
.src_addr
= 0; /* use default addr when capture */
271 cfg
.direction
= is_play
? DMA_MEM_TO_DEV
: DMA_DEV_TO_MEM
;
273 ret
= dmaengine_slave_config(dma
->chan
, &cfg
);
275 goto rsnd_dma_init_err
;
277 dma
->dir
= is_play
? DMA_TO_DEVICE
: DMA_FROM_DEVICE
;
278 INIT_WORK(&dma
->work
, rsnd_dma_do_work
);
283 rsnd_dma_quit(priv
, dma
);
288 void rsnd_dma_quit(struct rsnd_priv
*priv
,
289 struct rsnd_dma
*dma
)
292 dma_release_channel(dma
->chan
);
300 #define __rsnd_mod_call(mod, func, rdai, io) \
302 struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \
303 struct device *dev = rsnd_priv_to_dev(priv); \
304 dev_dbg(dev, "%s [%d] %s\n", \
305 rsnd_mod_name(mod), rsnd_mod_id(mod), #func); \
306 (mod)->ops->func(mod, rdai, io); \
309 #define rsnd_mod_call(mod, func, rdai, io) \
310 (!(mod) ? -ENODEV : \
311 !((mod)->ops->func) ? 0 : \
312 __rsnd_mod_call(mod, func, (rdai), (io)))
314 #define rsnd_dai_call(rdai, io, fn) \
316 struct rsnd_mod *mod; \
318 for (i = 0; i < RSND_MOD_MAX; i++) { \
319 mod = (io)->mod[i]; \
322 ret = rsnd_mod_call(mod, fn, (rdai), (io)); \
329 static int rsnd_dai_connect(struct rsnd_mod
*mod
,
330 struct rsnd_dai_stream
*io
)
335 if (io
->mod
[mod
->type
]) {
336 struct rsnd_priv
*priv
= rsnd_mod_to_priv(mod
);
337 struct device
*dev
= rsnd_priv_to_dev(priv
);
339 dev_err(dev
, "%s%d is not empty\n",
345 io
->mod
[mod
->type
] = mod
;
351 static int rsnd_dai_disconnect(struct rsnd_mod
*mod
, struct rsnd_dai_stream
*io
)
353 io
->mod
[mod
->type
] = NULL
;
359 int rsnd_dai_id(struct rsnd_priv
*priv
, struct rsnd_dai
*rdai
)
361 int id
= rdai
- priv
->rdai
;
363 if ((id
< 0) || (id
>= rsnd_rdai_nr(priv
)))
369 struct rsnd_dai
*rsnd_dai_get(struct rsnd_priv
*priv
, int id
)
371 if ((id
< 0) || (id
>= rsnd_rdai_nr(priv
)))
374 return priv
->rdai
+ id
;
377 static struct rsnd_dai
*rsnd_dai_to_rdai(struct snd_soc_dai
*dai
)
379 struct rsnd_priv
*priv
= snd_soc_dai_get_drvdata(dai
);
381 return rsnd_dai_get(priv
, dai
->id
);
384 int rsnd_dai_is_play(struct rsnd_dai
*rdai
, struct rsnd_dai_stream
*io
)
386 return &rdai
->playback
== io
;
390 * rsnd_soc_dai functions
392 int rsnd_dai_pointer_offset(struct rsnd_dai_stream
*io
, int additional
)
394 struct snd_pcm_substream
*substream
= io
->substream
;
395 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
396 int pos
= io
->byte_pos
+ additional
;
398 pos
%= (runtime
->periods
* io
->byte_per_period
);
403 void rsnd_dai_pointer_update(struct rsnd_dai_stream
*io
, int byte
)
405 io
->byte_pos
+= byte
;
407 if (io
->byte_pos
>= io
->next_period_byte
) {
408 struct snd_pcm_substream
*substream
= io
->substream
;
409 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
412 io
->next_period_byte
+= io
->byte_per_period
;
414 if (io
->period_pos
>= runtime
->periods
) {
417 io
->next_period_byte
= io
->byte_per_period
;
420 snd_pcm_period_elapsed(substream
);
424 static int rsnd_dai_stream_init(struct rsnd_dai_stream
*io
,
425 struct snd_pcm_substream
*substream
)
427 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
429 io
->substream
= substream
;
432 io
->byte_per_period
= runtime
->period_size
*
434 samples_to_bytes(runtime
, 1);
435 io
->next_period_byte
= io
->byte_per_period
;
441 struct snd_soc_dai
*rsnd_substream_to_dai(struct snd_pcm_substream
*substream
)
443 struct snd_soc_pcm_runtime
*rtd
= substream
->private_data
;
449 struct rsnd_dai_stream
*rsnd_rdai_to_io(struct rsnd_dai
*rdai
,
450 struct snd_pcm_substream
*substream
)
452 if (substream
->stream
== SNDRV_PCM_STREAM_PLAYBACK
)
453 return &rdai
->playback
;
455 return &rdai
->capture
;
458 static int rsnd_soc_dai_trigger(struct snd_pcm_substream
*substream
, int cmd
,
459 struct snd_soc_dai
*dai
)
461 struct rsnd_priv
*priv
= snd_soc_dai_get_drvdata(dai
);
462 struct rsnd_dai
*rdai
= rsnd_dai_to_rdai(dai
);
463 struct rsnd_dai_stream
*io
= rsnd_rdai_to_io(rdai
, substream
);
464 struct rsnd_mod
*mod
= rsnd_ssi_mod_get_frm_dai(priv
,
465 rsnd_dai_id(priv
, rdai
),
466 rsnd_dai_is_play(rdai
, io
));
467 int ssi_id
= rsnd_mod_id(mod
);
471 rsnd_lock(priv
, flags
);
474 case SNDRV_PCM_TRIGGER_START
:
475 ret
= rsnd_dai_stream_init(io
, substream
);
477 goto dai_trigger_end
;
479 ret
= rsnd_platform_call(priv
, dai
, start
, ssi_id
);
481 goto dai_trigger_end
;
483 ret
= rsnd_dai_call(rdai
, io
, init
);
485 goto dai_trigger_end
;
487 ret
= rsnd_dai_call(rdai
, io
, start
);
489 goto dai_trigger_end
;
491 case SNDRV_PCM_TRIGGER_STOP
:
492 ret
= rsnd_dai_call(rdai
, io
, stop
);
494 goto dai_trigger_end
;
496 ret
= rsnd_dai_call(rdai
, io
, quit
);
498 goto dai_trigger_end
;
500 ret
= rsnd_platform_call(priv
, dai
, stop
, ssi_id
);
502 goto dai_trigger_end
;
509 rsnd_unlock(priv
, flags
);
514 static int rsnd_soc_dai_set_fmt(struct snd_soc_dai
*dai
, unsigned int fmt
)
516 struct rsnd_dai
*rdai
= rsnd_dai_to_rdai(dai
);
518 /* set master/slave audio interface */
519 switch (fmt
& SND_SOC_DAIFMT_MASTER_MASK
) {
520 case SND_SOC_DAIFMT_CBM_CFM
:
521 rdai
->clk_master
= 1;
523 case SND_SOC_DAIFMT_CBS_CFS
:
524 rdai
->clk_master
= 0;
530 /* set clock inversion */
531 switch (fmt
& SND_SOC_DAIFMT_INV_MASK
) {
532 case SND_SOC_DAIFMT_NB_IF
:
533 rdai
->bit_clk_inv
= 0;
534 rdai
->frm_clk_inv
= 1;
536 case SND_SOC_DAIFMT_IB_NF
:
537 rdai
->bit_clk_inv
= 1;
538 rdai
->frm_clk_inv
= 0;
540 case SND_SOC_DAIFMT_IB_IF
:
541 rdai
->bit_clk_inv
= 1;
542 rdai
->frm_clk_inv
= 1;
544 case SND_SOC_DAIFMT_NB_NF
:
546 rdai
->bit_clk_inv
= 0;
547 rdai
->frm_clk_inv
= 0;
552 switch (fmt
& SND_SOC_DAIFMT_FORMAT_MASK
) {
553 case SND_SOC_DAIFMT_I2S
:
555 rdai
->data_alignment
= 0;
557 case SND_SOC_DAIFMT_LEFT_J
:
559 rdai
->data_alignment
= 0;
561 case SND_SOC_DAIFMT_RIGHT_J
:
563 rdai
->data_alignment
= 1;
570 static const struct snd_soc_dai_ops rsnd_soc_dai_ops
= {
571 .trigger
= rsnd_soc_dai_trigger
,
572 .set_fmt
= rsnd_soc_dai_set_fmt
,
575 static int rsnd_path_init(struct rsnd_priv
*priv
,
576 struct rsnd_dai
*rdai
,
577 struct rsnd_dai_stream
*io
)
579 struct rsnd_mod
*mod
;
580 struct rsnd_dai_platform_info
*dai_info
= rdai
->info
;
586 * Gen1 is created by SRU/SSI, and this SRU is base module of
587 * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU)
590 * Gen1 SRU = Gen2 SCU + SSIU + etc
592 * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
596 if (rsnd_is_enable_path(io
, ssi
))
597 ssi_id
= rsnd_info_id(priv
, io
, ssi
);
598 if (rsnd_is_enable_path(io
, scu
))
599 scu_id
= rsnd_info_id(priv
, io
, scu
);
602 mod
= rsnd_ssi_mod_get_frm_dai(priv
,
603 rsnd_dai_id(priv
, rdai
),
604 rsnd_dai_is_play(rdai
, io
));
607 ssi_id
= scu_id
= rsnd_mod_id(mod
);
614 mod
= rsnd_scu_mod_get(priv
, scu_id
);
615 ret
= rsnd_dai_connect(mod
, io
);
622 mod
= rsnd_ssi_mod_get(priv
, ssi_id
);
623 ret
= rsnd_dai_connect(mod
, io
);
631 static int rsnd_path_exit(struct rsnd_priv
*priv
,
632 struct rsnd_dai
*rdai
,
633 struct rsnd_dai_stream
*io
)
635 struct rsnd_mod
*mod
;
639 * remove all mod from rdai
641 for (i
= 0; i
< RSND_MOD_MAX
; i
++) {
645 ret
|= rsnd_dai_disconnect(mod
, io
);
651 static int rsnd_dai_probe(struct platform_device
*pdev
,
652 struct rsnd_priv
*priv
)
654 struct snd_soc_dai_driver
*drv
;
655 struct rcar_snd_info
*info
= rsnd_priv_to_info(priv
);
656 struct rsnd_dai
*rdai
;
657 struct rsnd_mod
*pmod
, *cmod
;
658 struct device
*dev
= rsnd_priv_to_dev(priv
);
659 int dai_nr
= info
->dai_info_nr
;
663 * dai_nr should be set via dai_info_nr,
664 * but allow it to keeping compatible
668 for (dai_nr
= 0; dai_nr
< 32; dai_nr
++) {
669 pmod
= rsnd_ssi_mod_get_frm_dai(priv
, dai_nr
, 1);
670 cmod
= rsnd_ssi_mod_get_frm_dai(priv
, dai_nr
, 0);
678 dev_err(dev
, "no dai\n");
682 drv
= devm_kzalloc(dev
, sizeof(*drv
) * dai_nr
, GFP_KERNEL
);
683 rdai
= devm_kzalloc(dev
, sizeof(*rdai
) * dai_nr
, GFP_KERNEL
);
685 dev_err(dev
, "dai allocate failed\n");
689 priv
->rdai_nr
= dai_nr
;
693 for (i
= 0; i
< dai_nr
; i
++) {
695 rdai
[i
].info
= &info
->dai_info
[i
];
697 pmod
= rsnd_ssi_mod_get_frm_dai(priv
, i
, 1);
698 cmod
= rsnd_ssi_mod_get_frm_dai(priv
, i
, 0);
703 snprintf(rdai
[i
].name
, RSND_DAI_NAME_SIZE
, "rsnd-dai.%d", i
);
706 * init snd_soc_dai_driver
708 drv
[i
].name
= rdai
[i
].name
;
709 drv
[i
].ops
= &rsnd_soc_dai_ops
;
711 drv
[i
].playback
.rates
= RSND_RATES
;
712 drv
[i
].playback
.formats
= RSND_FMTS
;
713 drv
[i
].playback
.channels_min
= 2;
714 drv
[i
].playback
.channels_max
= 2;
717 rdai
[i
].playback
.info
= &info
->dai_info
[i
].playback
;
718 rsnd_path_init(priv
, &rdai
[i
], &rdai
[i
].playback
);
721 drv
[i
].capture
.rates
= RSND_RATES
;
722 drv
[i
].capture
.formats
= RSND_FMTS
;
723 drv
[i
].capture
.channels_min
= 2;
724 drv
[i
].capture
.channels_max
= 2;
727 rdai
[i
].capture
.info
= &info
->dai_info
[i
].capture
;
728 rsnd_path_init(priv
, &rdai
[i
], &rdai
[i
].capture
);
731 dev_dbg(dev
, "%s (%s/%s)\n", rdai
[i
].name
,
732 pmod
? "play" : " -- ",
733 cmod
? "capture" : " -- ");
739 static void rsnd_dai_remove(struct platform_device
*pdev
,
740 struct rsnd_priv
*priv
)
742 struct rsnd_dai
*rdai
;
745 for (i
= 0; i
< rsnd_rdai_nr(priv
); i
++) {
746 rdai
= rsnd_dai_get(priv
, i
);
747 rsnd_path_exit(priv
, rdai
, &rdai
->playback
);
748 rsnd_path_exit(priv
, rdai
, &rdai
->capture
);
755 static struct snd_pcm_hardware rsnd_pcm_hardware
= {
756 .info
= SNDRV_PCM_INFO_INTERLEAVED
|
757 SNDRV_PCM_INFO_MMAP
|
758 SNDRV_PCM_INFO_MMAP_VALID
|
759 SNDRV_PCM_INFO_PAUSE
,
760 .buffer_bytes_max
= 64 * 1024,
761 .period_bytes_min
= 32,
762 .period_bytes_max
= 8192,
768 static int rsnd_pcm_open(struct snd_pcm_substream
*substream
)
770 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
773 snd_soc_set_runtime_hwparams(substream
, &rsnd_pcm_hardware
);
775 ret
= snd_pcm_hw_constraint_integer(runtime
,
776 SNDRV_PCM_HW_PARAM_PERIODS
);
781 static int rsnd_hw_params(struct snd_pcm_substream
*substream
,
782 struct snd_pcm_hw_params
*hw_params
)
784 return snd_pcm_lib_malloc_pages(substream
,
785 params_buffer_bytes(hw_params
));
788 static snd_pcm_uframes_t
rsnd_pointer(struct snd_pcm_substream
*substream
)
790 struct snd_pcm_runtime
*runtime
= substream
->runtime
;
791 struct snd_soc_dai
*dai
= rsnd_substream_to_dai(substream
);
792 struct rsnd_dai
*rdai
= rsnd_dai_to_rdai(dai
);
793 struct rsnd_dai_stream
*io
= rsnd_rdai_to_io(rdai
, substream
);
795 return bytes_to_frames(runtime
, io
->byte_pos
);
798 static struct snd_pcm_ops rsnd_pcm_ops
= {
799 .open
= rsnd_pcm_open
,
800 .ioctl
= snd_pcm_lib_ioctl
,
801 .hw_params
= rsnd_hw_params
,
802 .hw_free
= snd_pcm_lib_free_pages
,
803 .pointer
= rsnd_pointer
,
810 #define PREALLOC_BUFFER (32 * 1024)
811 #define PREALLOC_BUFFER_MAX (32 * 1024)
813 static int rsnd_pcm_new(struct snd_soc_pcm_runtime
*rtd
)
815 return snd_pcm_lib_preallocate_pages_for_all(
818 rtd
->card
->snd_card
->dev
,
819 PREALLOC_BUFFER
, PREALLOC_BUFFER_MAX
);
822 static void rsnd_pcm_free(struct snd_pcm
*pcm
)
824 snd_pcm_lib_preallocate_free_for_all(pcm
);
827 static struct snd_soc_platform_driver rsnd_soc_platform
= {
828 .ops
= &rsnd_pcm_ops
,
829 .pcm_new
= rsnd_pcm_new
,
830 .pcm_free
= rsnd_pcm_free
,
833 static const struct snd_soc_component_driver rsnd_soc_component
= {
840 static int rsnd_probe(struct platform_device
*pdev
)
842 struct rcar_snd_info
*info
;
843 struct rsnd_priv
*priv
;
844 struct device
*dev
= &pdev
->dev
;
845 int (*probe_func
[])(struct platform_device
*pdev
,
846 struct rsnd_priv
*priv
) = {
855 info
= pdev
->dev
.platform_data
;
857 dev_err(dev
, "driver needs R-Car sound information\n");
864 priv
= devm_kzalloc(dev
, sizeof(*priv
), GFP_KERNEL
);
866 dev_err(dev
, "priv allocate failed\n");
872 spin_lock_init(&priv
->lock
);
877 for (i
= 0; i
< ARRAY_SIZE(probe_func
); i
++) {
878 ret
= probe_func
[i
](pdev
, priv
);
886 ret
= snd_soc_register_platform(dev
, &rsnd_soc_platform
);
888 dev_err(dev
, "cannot snd soc register\n");
892 ret
= snd_soc_register_component(dev
, &rsnd_soc_component
,
893 priv
->daidrv
, rsnd_rdai_nr(priv
));
895 dev_err(dev
, "cannot snd dai register\n");
899 dev_set_drvdata(dev
, priv
);
901 pm_runtime_enable(dev
);
903 dev_info(dev
, "probed\n");
907 snd_soc_unregister_platform(dev
);
912 static int rsnd_remove(struct platform_device
*pdev
)
914 struct rsnd_priv
*priv
= dev_get_drvdata(&pdev
->dev
);
916 pm_runtime_disable(&pdev
->dev
);
921 rsnd_ssi_remove(pdev
, priv
);
922 rsnd_adg_remove(pdev
, priv
);
923 rsnd_scu_remove(pdev
, priv
);
924 rsnd_dai_remove(pdev
, priv
);
925 rsnd_gen_remove(pdev
, priv
);
930 static struct platform_driver rsnd_driver
= {
932 .name
= "rcar_sound",
935 .remove
= rsnd_remove
,
937 module_platform_driver(rsnd_driver
);
939 MODULE_LICENSE("GPL");
940 MODULE_DESCRIPTION("Renesas R-Car audio driver");
941 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
942 MODULE_ALIAS("platform:rcar-pcm-audio");