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 src
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)
103 static struct rsnd_of_data rsnd_of_data_gen1 = {
107 static struct rsnd_of_data rsnd_of_data_gen2 = {
111 static struct of_device_id rsnd_of_match[] = {
112 { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 },
113 { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 },
116 MODULE_DEVICE_TABLE(of, rsnd_of_match);
119 * rsnd_platform functions
121 #define rsnd_platform_call(priv, dai, func, param...) \
122 (!(priv->info->func) ? 0 : \
123 priv->info->func(param))
125 #define rsnd_is_enable_path(io, name) \
126 ((io)->info ? (io)->info->name : NULL)
127 #define rsnd_info_id(priv, io, name) \
128 ((io)->info->name - priv->info->name##_info)
133 char *rsnd_mod_name(struct rsnd_mod *mod)
135 if (!mod || !mod->ops)
138 return mod->ops->name;
141 char *rsnd_mod_dma_name(struct rsnd_mod *mod)
143 if (!mod || !mod->ops)
146 if (!mod->ops->dma_name)
147 return mod->ops->name;
149 return mod->ops->dma_name(mod);
152 void rsnd_mod_init(struct rsnd_priv *priv,
153 struct rsnd_mod *mod,
154 struct rsnd_mod_ops *ops,
155 enum rsnd_mod_type type,
167 void rsnd_dma_stop(struct rsnd_dma *dma)
169 dmaengine_terminate_all(dma->chan);
172 static void rsnd_dma_complete(void *data)
174 struct rsnd_dma *dma = (struct rsnd_dma *)data;
175 struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
176 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
179 * Renesas sound Gen1 needs 1 DMAC,
181 * In Gen2 case, it are Audio-DMAC, and Audio-DMAC-peri-peri.
182 * But, Audio-DMAC-peri-peri doesn't have interrupt,
183 * and this driver is assuming that here.
185 * If Audio-DMAC-peri-peri has interrpt,
186 * rsnd_dai_pointer_update() will be called twice,
187 * ant it will breaks io->byte_pos
190 rsnd_dai_pointer_update(io, io->byte_per_period);
193 void rsnd_dma_start(struct rsnd_dma *dma)
195 struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
196 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
197 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
198 struct snd_pcm_substream *substream = io->substream;
199 struct device *dev = rsnd_priv_to_dev(priv);
200 struct dma_async_tx_descriptor *desc;
202 desc = dmaengine_prep_dma_cyclic(dma->chan,
203 substream->runtime->dma_addr,
204 snd_pcm_lib_buffer_bytes(substream),
205 snd_pcm_lib_period_bytes(substream),
207 DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
210 dev_err(dev, "dmaengine_prep_slave_sg() fail\n");
214 desc->callback = rsnd_dma_complete;
215 desc->callback_param = dma;
217 if (dmaengine_submit(desc) < 0) {
218 dev_err(dev, "dmaengine_submit() fail\n");
222 dma_async_issue_pending(dma->chan);
225 int rsnd_dma_available(struct rsnd_dma *dma)
230 #define DMA_NAME_SIZE 16
231 #define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
232 static int _rsnd_dma_of_name(char *dma_name, struct rsnd_mod *mod)
235 return snprintf(dma_name, DMA_NAME_SIZE / 2, "%s%d",
236 rsnd_mod_dma_name(mod), rsnd_mod_id(mod));
238 return snprintf(dma_name, DMA_NAME_SIZE / 2, "mem");
242 static void rsnd_dma_of_name(struct rsnd_dma *dma,
243 int is_play, char *dma_name)
245 struct rsnd_mod *this = rsnd_dma_to_mod(dma);
246 struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
247 struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
248 struct rsnd_mod *src = rsnd_io_to_mod_src(io);
249 struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
250 struct rsnd_mod *mod[MOD_MAX];
251 struct rsnd_mod *src_mod, *dst_mod;
255 for (i = 0; i < MOD_MAX; i++)
265 * mem -> SRC -> DVC -> SSI
267 mod[0] = NULL; /* for "mem" */
269 for (i = 1; i < MOD_MAX; i++) {
288 src_mod = mod[index - 1];
289 dst_mod = mod[index];
291 src_mod = mod[index];
292 dst_mod = mod[index - 1];
296 index = _rsnd_dma_of_name(dma_name + index, src_mod);
297 *(dma_name + index++) = '_';
298 index = _rsnd_dma_of_name(dma_name + index, dst_mod);
301 int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
304 struct device *dev = rsnd_priv_to_dev(priv);
305 struct dma_slave_config cfg;
306 char dma_name[DMA_NAME_SIZE];
311 dev_err(dev, "it already has dma channel\n");
316 dma_cap_set(DMA_SLAVE, mask);
318 rsnd_dma_of_name(dma, is_play, dma_name);
319 rsnd_gen_dma_addr(priv, dma, &cfg, is_play, id);
321 dev_dbg(dev, "dma name : %s\n", dma_name);
323 dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
327 dev_err(dev, "can't get dma channel\n");
331 ret = dmaengine_slave_config(dma->chan, &cfg);
333 goto rsnd_dma_init_err;
335 dma->dir = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
340 rsnd_dma_quit(priv, dma);
345 void rsnd_dma_quit(struct rsnd_priv *priv,
346 struct rsnd_dma *dma)
349 dma_release_channel(dma->chan);
357 u32 rsnd_get_adinr(struct rsnd_mod *mod)
359 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
360 struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
361 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
362 struct device *dev = rsnd_priv_to_dev(priv);
363 u32 adinr = runtime->channels;
365 switch (runtime->sample_bits) {
373 dev_warn(dev, "not supported sample bits\n");
383 #define __rsnd_mod_call(mod, func, rdai...) \
385 struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \
386 struct device *dev = rsnd_priv_to_dev(priv); \
387 dev_dbg(dev, "%s [%d] %s\n", \
388 rsnd_mod_name(mod), rsnd_mod_id(mod), #func); \
389 (mod)->ops->func(mod, rdai); \
392 #define rsnd_mod_call(mod, func, rdai...) \
393 (!(mod) ? -ENODEV : \
394 !((mod)->ops->func) ? 0 : \
395 __rsnd_mod_call(mod, func, rdai))
397 #define rsnd_dai_call(fn, io, rdai...) \
399 struct rsnd_mod *mod; \
401 for (i = 0; i < RSND_MOD_MAX; i++) { \
402 mod = (io)->mod[i]; \
405 ret = rsnd_mod_call(mod, fn, rdai); \
412 static int rsnd_dai_connect(struct rsnd_mod *mod,
413 struct rsnd_dai_stream *io)
418 if (io->mod[mod->type]) {
419 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
420 struct device *dev = rsnd_priv_to_dev(priv);
422 dev_err(dev, "%s%d is not empty\n",
428 io->mod[mod->type] = mod;
434 int rsnd_dai_id(struct rsnd_priv *priv, struct rsnd_dai *rdai)
436 int id = rdai - priv->rdai;
438 if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
444 struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id)
446 if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
449 return priv->rdai + id;
452 static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
454 struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
456 return rsnd_dai_get(priv, dai->id);
459 int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io)
461 return &rdai->playback == io;
465 * rsnd_soc_dai functions
467 int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional)
469 struct snd_pcm_substream *substream = io->substream;
470 struct snd_pcm_runtime *runtime = substream->runtime;
471 int pos = io->byte_pos + additional;
473 pos %= (runtime->periods * io->byte_per_period);
478 void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte)
480 io->byte_pos += byte;
482 if (io->byte_pos >= io->next_period_byte) {
483 struct snd_pcm_substream *substream = io->substream;
484 struct snd_pcm_runtime *runtime = substream->runtime;
487 io->next_period_byte += io->byte_per_period;
489 if (io->period_pos >= runtime->periods) {
492 io->next_period_byte = io->byte_per_period;
495 snd_pcm_period_elapsed(substream);
499 static int rsnd_dai_stream_init(struct rsnd_dai_stream *io,
500 struct snd_pcm_substream *substream)
502 struct snd_pcm_runtime *runtime = substream->runtime;
504 io->substream = substream;
507 io->byte_per_period = runtime->period_size *
509 samples_to_bytes(runtime, 1);
510 io->next_period_byte = io->byte_per_period;
516 struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream)
518 struct snd_soc_pcm_runtime *rtd = substream->private_data;
524 struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai,
525 struct snd_pcm_substream *substream)
527 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
528 return &rdai->playback;
530 return &rdai->capture;
533 static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
534 struct snd_soc_dai *dai)
536 struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai);
537 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
538 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
539 int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io));
543 rsnd_lock(priv, flags);
546 case SNDRV_PCM_TRIGGER_START:
547 ret = rsnd_dai_stream_init(io, substream);
549 goto dai_trigger_end;
551 ret = rsnd_platform_call(priv, dai, start, ssi_id);
553 goto dai_trigger_end;
555 ret = rsnd_dai_call(init, io, rdai);
557 goto dai_trigger_end;
559 ret = rsnd_dai_call(start, io, rdai);
561 goto dai_trigger_end;
563 case SNDRV_PCM_TRIGGER_STOP:
564 ret = rsnd_dai_call(stop, io, rdai);
566 goto dai_trigger_end;
568 ret = rsnd_dai_call(quit, io, rdai);
570 goto dai_trigger_end;
572 ret = rsnd_platform_call(priv, dai, stop, ssi_id);
574 goto dai_trigger_end;
581 rsnd_unlock(priv, flags);
586 static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
588 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
590 /* set master/slave audio interface */
591 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
592 case SND_SOC_DAIFMT_CBM_CFM:
593 rdai->clk_master = 0;
595 case SND_SOC_DAIFMT_CBS_CFS:
596 rdai->clk_master = 1; /* codec is slave, cpu is master */
602 /* set clock inversion */
603 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
604 case SND_SOC_DAIFMT_NB_IF:
605 rdai->bit_clk_inv = 0;
606 rdai->frm_clk_inv = 1;
608 case SND_SOC_DAIFMT_IB_NF:
609 rdai->bit_clk_inv = 1;
610 rdai->frm_clk_inv = 0;
612 case SND_SOC_DAIFMT_IB_IF:
613 rdai->bit_clk_inv = 1;
614 rdai->frm_clk_inv = 1;
616 case SND_SOC_DAIFMT_NB_NF:
618 rdai->bit_clk_inv = 0;
619 rdai->frm_clk_inv = 0;
624 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
625 case SND_SOC_DAIFMT_I2S:
627 rdai->data_alignment = 0;
629 case SND_SOC_DAIFMT_LEFT_J:
631 rdai->data_alignment = 0;
633 case SND_SOC_DAIFMT_RIGHT_J:
635 rdai->data_alignment = 1;
642 static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
643 .trigger = rsnd_soc_dai_trigger,
644 .set_fmt = rsnd_soc_dai_set_fmt,
647 #define rsnd_path_parse(priv, io, type) \
649 struct rsnd_mod *mod; \
653 if (rsnd_is_enable_path(io, type)) { \
654 id = rsnd_info_id(priv, io, type); \
656 mod = rsnd_##type##_mod_get(priv, id); \
657 ret = rsnd_dai_connect(mod, io); \
663 static int rsnd_path_init(struct rsnd_priv *priv,
664 struct rsnd_dai *rdai,
665 struct rsnd_dai_stream *io)
670 * Gen1 is created by SRU/SSI, and this SRU is base module of
671 * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU)
674 * Gen1 SRU = Gen2 SCU + SSIU + etc
676 * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is
681 ret = rsnd_path_parse(priv, io, src);
686 ret = rsnd_path_parse(priv, io, ssi);
691 ret = rsnd_path_parse(priv, io, dvc);
698 static void rsnd_of_parse_dai(struct platform_device *pdev,
699 const struct rsnd_of_data *of_data,
700 struct rsnd_priv *priv)
702 struct device_node *dai_node, *dai_np;
703 struct device_node *ssi_node, *ssi_np;
704 struct device_node *src_node, *src_np;
705 struct device_node *playback, *capture;
706 struct rsnd_dai_platform_info *dai_info;
707 struct rcar_snd_info *info = rsnd_priv_to_info(priv);
708 struct device *dev = &pdev->dev;
710 int dai_i, ssi_i, src_i;
715 dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai");
719 nr = of_get_child_count(dai_node);
723 dai_info = devm_kzalloc(dev,
724 sizeof(struct rsnd_dai_platform_info) * nr,
727 dev_err(dev, "dai info allocation error\n");
731 info->dai_info_nr = nr;
732 info->dai_info = dai_info;
734 ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi");
735 src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src");
737 #define mod_parse(name) \
739 struct rsnd_##name##_platform_info *name##_info; \
742 for_each_child_of_node(name##_node, name##_np) { \
743 name##_info = info->name##_info + name##_i; \
745 if (name##_np == playback) \
746 dai_info->playback.name = name##_info; \
747 if (name##_np == capture) \
748 dai_info->capture.name = name##_info; \
758 for_each_child_of_node(dai_node, dai_np) {
759 dai_info = info->dai_info + dai_i;
763 playback = of_parse_phandle(dai_np, "playback", i);
764 capture = of_parse_phandle(dai_np, "capture", i);
766 if (!playback && !capture)
773 of_node_put(playback);
775 of_node_put(capture);
782 static int rsnd_dai_probe(struct platform_device *pdev,
783 const struct rsnd_of_data *of_data,
784 struct rsnd_priv *priv)
786 struct snd_soc_dai_driver *drv;
787 struct rcar_snd_info *info = rsnd_priv_to_info(priv);
788 struct rsnd_dai *rdai;
789 struct rsnd_ssi_platform_info *pmod, *cmod;
790 struct device *dev = rsnd_priv_to_dev(priv);
794 rsnd_of_parse_dai(pdev, of_data, priv);
796 dai_nr = info->dai_info_nr;
798 dev_err(dev, "no dai\n");
802 drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL);
803 rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL);
805 dev_err(dev, "dai allocate failed\n");
809 priv->rdai_nr = dai_nr;
813 for (i = 0; i < dai_nr; i++) {
814 rdai[i].info = &info->dai_info[i];
816 pmod = rdai[i].info->playback.ssi;
817 cmod = rdai[i].info->capture.ssi;
822 snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i);
825 * init snd_soc_dai_driver
827 drv[i].name = rdai[i].name;
828 drv[i].ops = &rsnd_soc_dai_ops;
830 drv[i].playback.rates = RSND_RATES;
831 drv[i].playback.formats = RSND_FMTS;
832 drv[i].playback.channels_min = 2;
833 drv[i].playback.channels_max = 2;
835 rdai[i].playback.info = &info->dai_info[i].playback;
836 rsnd_path_init(priv, &rdai[i], &rdai[i].playback);
839 drv[i].capture.rates = RSND_RATES;
840 drv[i].capture.formats = RSND_FMTS;
841 drv[i].capture.channels_min = 2;
842 drv[i].capture.channels_max = 2;
844 rdai[i].capture.info = &info->dai_info[i].capture;
845 rsnd_path_init(priv, &rdai[i], &rdai[i].capture);
848 dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name,
849 pmod ? "play" : " -- ",
850 cmod ? "capture" : " -- ");
859 static struct snd_pcm_hardware rsnd_pcm_hardware = {
860 .info = SNDRV_PCM_INFO_INTERLEAVED |
861 SNDRV_PCM_INFO_MMAP |
862 SNDRV_PCM_INFO_MMAP_VALID,
863 .buffer_bytes_max = 64 * 1024,
864 .period_bytes_min = 32,
865 .period_bytes_max = 8192,
871 static int rsnd_pcm_open(struct snd_pcm_substream *substream)
873 struct snd_pcm_runtime *runtime = substream->runtime;
876 snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);
878 ret = snd_pcm_hw_constraint_integer(runtime,
879 SNDRV_PCM_HW_PARAM_PERIODS);
884 static int rsnd_hw_params(struct snd_pcm_substream *substream,
885 struct snd_pcm_hw_params *hw_params)
887 return snd_pcm_lib_malloc_pages(substream,
888 params_buffer_bytes(hw_params));
891 static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)
893 struct snd_pcm_runtime *runtime = substream->runtime;
894 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
895 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
896 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
898 return bytes_to_frames(runtime, io->byte_pos);
901 static struct snd_pcm_ops rsnd_pcm_ops = {
902 .open = rsnd_pcm_open,
903 .ioctl = snd_pcm_lib_ioctl,
904 .hw_params = rsnd_hw_params,
905 .hw_free = snd_pcm_lib_free_pages,
906 .pointer = rsnd_pointer,
913 #define PREALLOC_BUFFER (32 * 1024)
914 #define PREALLOC_BUFFER_MAX (32 * 1024)
916 static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd)
918 struct rsnd_priv *priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
919 struct rsnd_dai *rdai;
922 for_each_rsnd_dai(rdai, priv, i) {
923 ret = rsnd_dai_call(pcm_new, &rdai->playback, rdai, rtd);
927 ret = rsnd_dai_call(pcm_new, &rdai->capture, rdai, rtd);
932 return snd_pcm_lib_preallocate_pages_for_all(
935 rtd->card->snd_card->dev,
936 PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
939 static void rsnd_pcm_free(struct snd_pcm *pcm)
941 snd_pcm_lib_preallocate_free_for_all(pcm);
944 static struct snd_soc_platform_driver rsnd_soc_platform = {
945 .ops = &rsnd_pcm_ops,
946 .pcm_new = rsnd_pcm_new,
947 .pcm_free = rsnd_pcm_free,
950 static const struct snd_soc_component_driver rsnd_soc_component = {
957 static int rsnd_probe(struct platform_device *pdev)
959 struct rcar_snd_info *info;
960 struct rsnd_priv *priv;
961 struct device *dev = &pdev->dev;
962 struct rsnd_dai *rdai;
963 const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev);
964 const struct rsnd_of_data *of_data;
965 int (*probe_func[])(struct platform_device *pdev,
966 const struct rsnd_of_data *of_data,
967 struct rsnd_priv *priv) = {
980 info = devm_kzalloc(&pdev->dev,
981 sizeof(struct rcar_snd_info), GFP_KERNEL);
982 of_data = of_id->data;
984 info = pdev->dev.platform_data;
988 dev_err(dev, "driver needs R-Car sound information\n");
995 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
997 dev_err(dev, "priv allocate failed\n");
1003 spin_lock_init(&priv->lock);
1008 for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
1009 ret = probe_func[i](pdev, of_data, priv);
1014 for_each_rsnd_dai(rdai, priv, i) {
1015 ret = rsnd_dai_call(probe, &rdai->playback, rdai);
1019 ret = rsnd_dai_call(probe, &rdai->capture, rdai);
1027 ret = snd_soc_register_platform(dev, &rsnd_soc_platform);
1029 dev_err(dev, "cannot snd soc register\n");
1033 ret = snd_soc_register_component(dev, &rsnd_soc_component,
1034 priv->daidrv, rsnd_rdai_nr(priv));
1036 dev_err(dev, "cannot snd dai register\n");
1040 dev_set_drvdata(dev, priv);
1042 pm_runtime_enable(dev);
1044 dev_info(dev, "probed\n");
1048 snd_soc_unregister_platform(dev);
1053 static int rsnd_remove(struct platform_device *pdev)
1055 struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
1056 struct rsnd_dai *rdai;
1059 pm_runtime_disable(&pdev->dev);
1061 for_each_rsnd_dai(rdai, priv, i) {
1062 ret = rsnd_dai_call(remove, &rdai->playback, rdai);
1066 ret = rsnd_dai_call(remove, &rdai->capture, rdai);
1074 static struct platform_driver rsnd_driver = {
1076 .name = "rcar_sound",
1077 .of_match_table = rsnd_of_match,
1079 .probe = rsnd_probe,
1080 .remove = rsnd_remove,
1082 module_platform_driver(rsnd_driver);
1084 MODULE_LICENSE("GPL");
1085 MODULE_DESCRIPTION("Renesas R-Car audio driver");
1086 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
1087 MODULE_ALIAS("platform:rcar-pcm-audio");