1 // SPDX-License-Identifier: GPL-2.0
3 // Renesas R-Car SRU/SCU/SSIU/SSI support
5 // Copyright (C) 2013 Renesas Solutions Corp.
6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
9 // Kuninori Morimoto <morimoto.kuninori@renesas.com>
12 * Renesas R-Car sound device structure
16 * SRU : Sound Routing Unit
17 * - SRC : Sampling Rate Converter
19 * - CTU : Channel Count Conversion Unit
21 * - DVC : Digital Volume and Mute Function
22 * - SSI : Serial Sound Interface
26 * SCU : Sampling Rate Converter Unit
27 * - SRC : Sampling Rate Converter
29 * - CTU : Channel Count Conversion Unit
31 * - DVC : Digital Volume and Mute Function
32 * SSIU : Serial Sound Interface Unit
33 * - SSI : Serial Sound Interface
41 * | ** this depends on Gen1/Gen2
45 * | ** these depend on data path
46 * | ** gen and platform data control it
50 * | +- playback -> [mod] -> [mod] -> [mod] -> ...
53 * | +- capture -> [mod] -> [mod] -> [mod] -> ...
57 * | +- playback -> [mod] -> [mod] -> [mod] -> ...
60 * | +- capture -> [mod] -> [mod] -> [mod] -> ...
63 * | ** these control ssi
72 * | ** these control src
82 * for_each_rsnd_dai(xx, priv, xx)
83 * rdai[0] => rdai[1] => rdai[2] => ...
85 * for_each_rsnd_mod(xx, rdai, xx)
86 * [mod] => [mod] => [mod] => ...
88 * rsnd_dai_call(xxx, fn )
89 * [mod]->fn() -> [mod]->fn() -> [mod]->fn()...
94 * you can enable below define if you don't need
95 * DAI status debug message when debugging
96 * see rsnd_dbg_dai_call()
98 * #define RSND_DEBUG_NO_DAI_CALL 1
101 #include <linux/pm_runtime.h>
104 #define RSND_RATES SNDRV_PCM_RATE_8000_192000
105 #define RSND_FMTS (SNDRV_PCM_FMTBIT_S8 |\
106 SNDRV_PCM_FMTBIT_S16_LE |\
107 SNDRV_PCM_FMTBIT_S24_LE)
109 static const struct of_device_id rsnd_of_match[] = {
110 { .compatible = "renesas,rcar_sound-gen1", .data = (void *)RSND_GEN1 },
111 { .compatible = "renesas,rcar_sound-gen2", .data = (void *)RSND_GEN2 },
112 { .compatible = "renesas,rcar_sound-gen3", .data = (void *)RSND_GEN3 },
113 /* Special Handling */
114 { .compatible = "renesas,rcar_sound-r8a77990", .data = (void *)(RSND_GEN3 | RSND_SOC_E) },
117 MODULE_DEVICE_TABLE(of, rsnd_of_match);
122 void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type)
124 if (mod->type != type) {
125 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
126 struct device *dev = rsnd_priv_to_dev(priv);
128 dev_warn(dev, "%s is not your expected module\n",
133 struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
134 struct rsnd_mod *mod)
136 if (!mod || !mod->ops || !mod->ops->dma_req)
139 return mod->ops->dma_req(io, mod);
142 #define MOD_NAME_NUM 5
143 #define MOD_NAME_SIZE 16
144 char *rsnd_mod_name(struct rsnd_mod *mod)
146 static char names[MOD_NAME_NUM][MOD_NAME_SIZE];
148 char *name = names[num];
151 if (num >= MOD_NAME_NUM)
155 * Let's use same char to avoid pointlessness memory
156 * Thus, rsnd_mod_name() should be used immediately
159 if ((mod)->ops->id_sub) {
160 snprintf(name, MOD_NAME_SIZE, "%s[%d%d]",
163 rsnd_mod_id_sub(mod));
165 snprintf(name, MOD_NAME_SIZE, "%s[%d]",
173 u32 *rsnd_mod_get_status(struct rsnd_mod *mod,
174 struct rsnd_dai_stream *io,
175 enum rsnd_mod_type type)
180 int rsnd_mod_id_raw(struct rsnd_mod *mod)
185 int rsnd_mod_id(struct rsnd_mod *mod)
188 return (mod)->ops->id(mod);
190 return rsnd_mod_id_raw(mod);
193 int rsnd_mod_id_sub(struct rsnd_mod *mod)
195 if ((mod)->ops->id_sub)
196 return (mod)->ops->id_sub(mod);
201 int rsnd_mod_init(struct rsnd_priv *priv,
202 struct rsnd_mod *mod,
203 struct rsnd_mod_ops *ops,
205 enum rsnd_mod_type type,
208 int ret = clk_prepare(clk);
222 void rsnd_mod_quit(struct rsnd_mod *mod)
224 clk_unprepare(mod->clk);
228 void rsnd_mod_interrupt(struct rsnd_mod *mod,
229 void (*callback)(struct rsnd_mod *mod,
230 struct rsnd_dai_stream *io))
232 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
233 struct rsnd_dai_stream *io;
234 struct rsnd_dai *rdai;
237 for_each_rsnd_dai(rdai, priv, i) {
238 io = &rdai->playback;
239 if (mod == io->mod[mod->type])
243 if (mod == io->mod[mod->type])
248 int rsnd_io_is_working(struct rsnd_dai_stream *io)
250 /* see rsnd_dai_stream_init/quit() */
252 return snd_pcm_running(io->substream);
257 int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
258 struct snd_pcm_hw_params *params)
260 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
263 * params will be added when refine
265 * __rsnd_soc_hw_rule_rate()
266 * __rsnd_soc_hw_rule_channels()
269 return params_channels(params);
271 return runtime->channels;
274 int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
275 struct snd_pcm_hw_params *params)
277 int chan = rsnd_runtime_channel_original_with_params(io, params);
278 struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io);
281 u32 converted_chan = rsnd_io_converted_chan(io);
286 * converted_chan will be used for CTU,
288 * User shouldn't use CTU with TDM Split mode.
290 if (rsnd_runtime_is_tdm_split(io)) {
291 struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io));
293 dev_err(dev, "CTU and TDM Split should be used\n");
297 return converted_chan;
303 int rsnd_channel_normalization(int chan)
305 if ((chan > 8) || (chan < 0))
308 /* TDM Extend Mode needs 8ch */
315 int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
316 struct snd_pcm_hw_params *params)
318 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
319 int chan = rsnd_io_is_play(io) ?
320 rsnd_runtime_channel_after_ctu_with_params(io, params) :
321 rsnd_runtime_channel_original_with_params(io, params);
324 if (rsnd_runtime_is_multi_ssi(io))
325 chan /= rsnd_rdai_ssi_lane_get(rdai);
327 return rsnd_channel_normalization(chan);
330 int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io)
332 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
333 int lane = rsnd_rdai_ssi_lane_get(rdai);
334 int chan = rsnd_io_is_play(io) ?
335 rsnd_runtime_channel_after_ctu(io) :
336 rsnd_runtime_channel_original(io);
338 return (chan > 2) && (lane > 1);
341 int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io)
343 return rsnd_runtime_channel_for_ssi(io) >= 6;
346 int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io)
348 return !!rsnd_flags_has(io, RSND_STREAM_TDM_SPLIT);
354 u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
356 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
357 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
358 struct device *dev = rsnd_priv_to_dev(priv);
360 switch (snd_pcm_format_width(runtime->format)) {
369 dev_warn(dev, "not supported sample bits\n");
377 u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
379 static const u32 dalign_values[8][2] = {
380 {0x76543210, 0x67452301},
381 {0x00000032, 0x00000023},
382 {0x00007654, 0x00006745},
383 {0x00000076, 0x00000067},
384 {0xfedcba98, 0xefcdab89},
385 {0x000000ba, 0x000000ab},
386 {0x0000fedc, 0x0000efcd},
387 {0x000000fe, 0x000000ef},
390 struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io);
391 struct rsnd_mod *target;
392 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
395 * *Hardware* L/R and *Software* L/R are inverted for 16bit data.
399 * We need to care about inversion timing to control
400 * Playback/Capture correctly.
401 * The point is [DVC] needs *Hardware* L/R, [MEM] needs *Software* L/R
403 * sL/R : software L/R
404 * hL/R : hardware L/R
405 * (*) : conversion timing
408 * sL/R (*) hL/R hL/R hL/R hL/R hL/R
409 * [MEM] -> [SRC] -> [DVC] -> [CMD] -> [SSIU] -> [SSI] -> codec
412 * hL/R hL/R hL/R hL/R hL/R (*) sL/R
413 * codec -> [SSI] -> [SSIU] -> [SRC] -> [DVC] -> [CMD] -> [MEM]
415 if (rsnd_io_is_play(io)) {
416 struct rsnd_mod *src = rsnd_io_to_mod_src(io);
418 target = src ? src : ssiu;
420 struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io);
422 target = cmd ? cmd : ssiu;
426 id = rsnd_mod_id_sub(mod);
428 /* Non target mod or non 16bit needs normal DALIGN */
429 if ((snd_pcm_format_width(runtime->format) != 16) ||
432 /* Target mod needs inverted DALIGN when 16bit */
436 return dalign_values[id][inv];
439 u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod)
441 enum rsnd_mod_type playback_mods[] = {
446 enum rsnd_mod_type capture_mods[] = {
451 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
452 struct rsnd_mod *tmod = NULL;
453 enum rsnd_mod_type *mods =
454 rsnd_io_is_play(io) ?
455 playback_mods : capture_mods;
459 * This is needed for 24bit data
460 * We need to shift 8bit
462 * Linux 24bit data is located as 0x00******
463 * HW 24bit data is located as 0x******00
466 if (snd_pcm_format_width(runtime->format) != 24)
469 for (i = 0; i < ARRAY_SIZE(playback_mods); i++) {
470 tmod = rsnd_io_to_mod(io, mods[i]);
478 if (rsnd_io_is_play(io))
479 return (0 << 20) | /* shift to Left */
480 (8 << 16); /* 8bit */
482 return (1 << 20) | /* shift to Right */
483 (8 << 16); /* 8bit */
489 struct rsnd_mod *rsnd_mod_next(int *iterator,
490 struct rsnd_dai_stream *io,
491 enum rsnd_mod_type *array,
494 struct rsnd_mod *mod;
495 enum rsnd_mod_type type;
496 int max = array ? array_size : RSND_MOD_MAX;
498 for (; *iterator < max; (*iterator)++) {
499 type = (array) ? array[*iterator] : *iterator;
500 mod = rsnd_io_to_mod(io, type);
508 static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = {
542 static int rsnd_status_update(u32 *status,
543 int shift, int add, int timing)
545 u32 mask = 0xF << shift;
546 u8 val = (*status >> shift) & 0xF;
547 u8 next_val = (val + add) & 0xF;
548 int func_call = (val == timing);
550 if (next_val == 0xF) /* underflow case */
553 *status = (*status & ~mask) + (next_val << shift);
558 #define rsnd_dai_call(fn, io, param...) \
560 struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io)); \
561 struct rsnd_mod *mod; \
562 int is_play = rsnd_io_is_play(io); \
564 enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \
565 for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \
567 u32 *status = mod->ops->get_status(mod, io, types[i]); \
568 int func_call = rsnd_status_update(status, \
569 __rsnd_mod_shift_##fn, \
570 __rsnd_mod_add_##fn, \
571 __rsnd_mod_call_##fn); \
572 rsnd_dbg_dai_call(dev, "%s\t0x%08x %s\n", \
573 rsnd_mod_name(mod), *status, \
574 (func_call && (mod)->ops->fn) ? #fn : ""); \
575 if (func_call && (mod)->ops->fn) \
576 tmp = (mod)->ops->fn(mod, io, param); \
577 if (tmp && (tmp != -EPROBE_DEFER)) \
578 dev_err(dev, "%s : %s error %d\n", \
579 rsnd_mod_name(mod), #fn, tmp); \
585 int rsnd_dai_connect(struct rsnd_mod *mod,
586 struct rsnd_dai_stream *io,
587 enum rsnd_mod_type type)
589 struct rsnd_priv *priv;
595 if (io->mod[type] == mod)
601 priv = rsnd_mod_to_priv(mod);
602 dev = rsnd_priv_to_dev(priv);
606 dev_dbg(dev, "%s is connected to io (%s)\n",
608 rsnd_io_is_play(io) ? "Playback" : "Capture");
613 static void rsnd_dai_disconnect(struct rsnd_mod *mod,
614 struct rsnd_dai_stream *io,
615 enum rsnd_mod_type type)
617 io->mod[type] = NULL;
620 int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
623 if (max_channels > 0)
624 rdai->max_channels = max_channels;
626 return rdai->max_channels;
629 int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
633 rdai->ssi_lane = ssi_lane;
635 return rdai->ssi_lane;
638 int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width)
641 rdai->chan_width = width;
643 return rdai->chan_width;
646 struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id)
648 if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
651 return priv->rdai + id;
654 static struct snd_soc_dai_driver
655 *rsnd_daidrv_get(struct rsnd_priv *priv, int id)
657 if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
660 return priv->daidrv + id;
663 #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai)
664 static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
666 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
668 return rsnd_rdai_get(priv, dai->id);
672 * rsnd_soc_dai functions
674 void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io)
676 struct snd_pcm_substream *substream = io->substream;
679 * this function should be called...
681 * - if rsnd_dai_pointer_update() returns true
682 * - without spin lock
685 snd_pcm_period_elapsed(substream);
688 static void rsnd_dai_stream_init(struct rsnd_dai_stream *io,
689 struct snd_pcm_substream *substream)
691 io->substream = substream;
694 static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io)
696 io->substream = NULL;
700 struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream)
702 struct snd_soc_pcm_runtime *rtd = substream->private_data;
708 struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai,
709 struct snd_pcm_substream *substream)
711 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
712 return &rdai->playback;
714 return &rdai->capture;
717 static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
718 struct snd_soc_dai *dai)
720 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
721 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
722 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
726 spin_lock_irqsave(&priv->lock, flags);
729 case SNDRV_PCM_TRIGGER_START:
730 case SNDRV_PCM_TRIGGER_RESUME:
731 ret = rsnd_dai_call(init, io, priv);
733 goto dai_trigger_end;
735 ret = rsnd_dai_call(start, io, priv);
737 goto dai_trigger_end;
739 ret = rsnd_dai_call(irq, io, priv, 1);
741 goto dai_trigger_end;
744 case SNDRV_PCM_TRIGGER_STOP:
745 case SNDRV_PCM_TRIGGER_SUSPEND:
746 ret = rsnd_dai_call(irq, io, priv, 0);
748 ret |= rsnd_dai_call(stop, io, priv);
750 ret |= rsnd_dai_call(quit, io, priv);
758 spin_unlock_irqrestore(&priv->lock, flags);
763 static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
765 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
767 /* set master/slave audio interface */
768 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
769 case SND_SOC_DAIFMT_CBM_CFM:
770 rdai->clk_master = 0;
772 case SND_SOC_DAIFMT_CBS_CFS:
773 rdai->clk_master = 1; /* codec is slave, cpu is master */
780 rdai->bit_clk_inv = 0;
781 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
782 case SND_SOC_DAIFMT_I2S:
784 rdai->data_alignment = 0;
785 rdai->frm_clk_inv = 0;
787 case SND_SOC_DAIFMT_LEFT_J:
788 case SND_SOC_DAIFMT_DSP_B:
790 rdai->data_alignment = 0;
791 rdai->frm_clk_inv = 1;
793 case SND_SOC_DAIFMT_RIGHT_J:
795 rdai->data_alignment = 1;
796 rdai->frm_clk_inv = 1;
798 case SND_SOC_DAIFMT_DSP_A:
800 rdai->data_alignment = 0;
801 rdai->frm_clk_inv = 1;
805 /* set clock inversion */
806 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
807 case SND_SOC_DAIFMT_NB_IF:
808 rdai->frm_clk_inv = !rdai->frm_clk_inv;
810 case SND_SOC_DAIFMT_IB_NF:
811 rdai->bit_clk_inv = !rdai->bit_clk_inv;
813 case SND_SOC_DAIFMT_IB_IF:
814 rdai->bit_clk_inv = !rdai->bit_clk_inv;
815 rdai->frm_clk_inv = !rdai->frm_clk_inv;
817 case SND_SOC_DAIFMT_NB_NF:
825 static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai,
826 u32 tx_mask, u32 rx_mask,
827 int slots, int slot_width)
829 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
830 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
831 struct device *dev = rsnd_priv_to_dev(priv);
833 switch (slot_width) {
848 /* TDM Extend Mode */
849 rsnd_rdai_channels_set(rdai, slots);
850 rsnd_rdai_ssi_lane_set(rdai, 1);
851 rsnd_rdai_width_set(rdai, slot_width);
854 dev_err(dev, "unsupported TDM slots (%d)\n", slots);
861 static unsigned int rsnd_soc_hw_channels_list[] = {
865 static unsigned int rsnd_soc_hw_rate_list[] = {
880 static int rsnd_soc_hw_rule(struct rsnd_dai *rdai,
881 unsigned int *list, int list_num,
882 struct snd_interval *baseline, struct snd_interval *iv)
884 struct snd_interval p;
888 snd_interval_any(&p);
892 for (i = 0; i < list_num; i++) {
894 if (!snd_interval_test(iv, list[i]))
897 rate = rsnd_ssi_clk_query(rdai,
898 baseline->min, list[i], NULL);
900 p.min = min(p.min, list[i]);
901 p.max = max(p.max, list[i]);
904 rate = rsnd_ssi_clk_query(rdai,
905 baseline->max, list[i], NULL);
907 p.min = min(p.min, list[i]);
908 p.max = max(p.max, list[i]);
912 return snd_interval_refine(iv, &p);
915 static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params,
916 struct snd_pcm_hw_rule *rule)
918 struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
919 struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
920 struct snd_interval ic;
921 struct rsnd_dai_stream *io = rule->private;
922 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
925 * possible sampling rate limitation is same as
926 * 2ch if it supports multi ssi
927 * and same as 8ch if TDM 6ch (see rsnd_ssi_config_init())
931 ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
933 return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_rate_list,
934 ARRAY_SIZE(rsnd_soc_hw_rate_list),
938 static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
939 struct snd_pcm_hw_rule *rule)
941 struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
942 struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
943 struct snd_interval ic;
944 struct rsnd_dai_stream *io = rule->private;
945 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
948 * possible sampling rate limitation is same as
949 * 2ch if it supports multi ssi
950 * and same as 8ch if TDM 6ch (see rsnd_ssi_config_init())
954 ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
956 return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_channels_list,
957 ARRAY_SIZE(rsnd_soc_hw_channels_list),
961 static const struct snd_pcm_hardware rsnd_pcm_hardware = {
962 .info = SNDRV_PCM_INFO_INTERLEAVED |
963 SNDRV_PCM_INFO_MMAP |
964 SNDRV_PCM_INFO_MMAP_VALID,
965 .buffer_bytes_max = 64 * 1024,
966 .period_bytes_min = 32,
967 .period_bytes_max = 8192,
973 static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream,
974 struct snd_soc_dai *dai)
976 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
977 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
978 struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint;
979 struct snd_pcm_runtime *runtime = substream->runtime;
980 unsigned int max_channels = rsnd_rdai_channels_get(rdai);
983 rsnd_dai_stream_init(io, substream);
987 * It depends on Platform design
989 constraint->list = rsnd_soc_hw_channels_list;
990 constraint->count = 0;
991 constraint->mask = 0;
993 for (i = 0; i < ARRAY_SIZE(rsnd_soc_hw_channels_list); i++) {
994 if (rsnd_soc_hw_channels_list[i] > max_channels)
996 constraint->count = i + 1;
999 snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);
1001 snd_pcm_hw_constraint_list(runtime, 0,
1002 SNDRV_PCM_HW_PARAM_CHANNELS, constraint);
1004 snd_pcm_hw_constraint_integer(runtime,
1005 SNDRV_PCM_HW_PARAM_PERIODS);
1008 * Sampling Rate / Channel Limitation
1009 * It depends on Clock Master Mode
1011 if (rsnd_rdai_is_clk_master(rdai)) {
1012 int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
1014 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
1015 rsnd_soc_hw_rule_rate,
1016 is_play ? &rdai->playback : &rdai->capture,
1017 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
1018 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1019 rsnd_soc_hw_rule_channels,
1020 is_play ? &rdai->playback : &rdai->capture,
1021 SNDRV_PCM_HW_PARAM_RATE, -1);
1027 static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
1028 struct snd_soc_dai *dai)
1030 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1031 struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
1032 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1035 * call rsnd_dai_call without spinlock
1037 rsnd_dai_call(cleanup, io, priv);
1039 rsnd_dai_stream_quit(io);
1042 static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream,
1043 struct snd_soc_dai *dai)
1045 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
1046 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1047 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1049 return rsnd_dai_call(prepare, io, priv);
1052 static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
1053 .startup = rsnd_soc_dai_startup,
1054 .shutdown = rsnd_soc_dai_shutdown,
1055 .trigger = rsnd_soc_dai_trigger,
1056 .set_fmt = rsnd_soc_dai_set_fmt,
1057 .set_tdm_slot = rsnd_soc_set_dai_tdm_slot,
1058 .prepare = rsnd_soc_dai_prepare,
1061 static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv,
1062 struct rsnd_dai_stream *io,
1063 struct device_node *dai_np)
1065 struct device *dev = rsnd_priv_to_dev(priv);
1066 struct device_node *ssiu_np = rsnd_ssiu_of_node(priv);
1067 struct device_node *np;
1068 int is_play = rsnd_io_is_play(io);
1075 * This driver assumes that it is TDM Split mode
1076 * if it includes ssiu node
1079 struct device_node *node = is_play ?
1080 of_parse_phandle(dai_np, "playback", i) :
1081 of_parse_phandle(dai_np, "capture", i);
1087 for_each_child_of_node(ssiu_np, np) {
1089 rsnd_flags_set(io, RSND_STREAM_TDM_SPLIT);
1090 dev_dbg(dev, "%s is part of TDM Split\n", io->name);
1098 static void rsnd_parse_connect_simple(struct rsnd_priv *priv,
1099 struct rsnd_dai_stream *io,
1100 struct device_node *dai_np)
1102 if (!rsnd_io_to_mod_ssi(io))
1105 rsnd_parse_tdm_split_mode(priv, io, dai_np);
1108 static void rsnd_parse_connect_graph(struct rsnd_priv *priv,
1109 struct rsnd_dai_stream *io,
1110 struct device_node *endpoint)
1112 struct device *dev = rsnd_priv_to_dev(priv);
1113 struct device_node *remote_node = of_graph_get_remote_port_parent(endpoint);
1115 if (!rsnd_io_to_mod_ssi(io))
1119 if (strstr(remote_node->full_name, "hdmi@fead0000")) {
1120 rsnd_flags_set(io, RSND_STREAM_HDMI0);
1121 dev_dbg(dev, "%s connected to HDMI0\n", io->name);
1125 if (strstr(remote_node->full_name, "hdmi@feae0000")) {
1126 rsnd_flags_set(io, RSND_STREAM_HDMI1);
1127 dev_dbg(dev, "%s connected to HDMI1\n", io->name);
1130 rsnd_parse_tdm_split_mode(priv, io, endpoint);
1133 void rsnd_parse_connect_common(struct rsnd_dai *rdai,
1134 struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
1135 struct device_node *node,
1136 struct device_node *playback,
1137 struct device_node *capture)
1139 struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
1140 struct device_node *np;
1141 struct rsnd_mod *mod;
1148 for_each_child_of_node(node, np) {
1149 mod = mod_get(priv, i);
1151 rsnd_dai_connect(mod, &rdai->playback, mod->type);
1153 rsnd_dai_connect(mod, &rdai->capture, mod->type);
1160 static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv,
1163 struct device *dev = rsnd_priv_to_dev(priv);
1164 struct device_node *np = dev->of_node;
1165 struct device_node *dai_node;
1166 struct device_node *ret;
1171 * parse both previous dai (= rcar_sound,dai), and
1172 * graph dai (= ports/port)
1174 dai_node = of_get_child_by_name(np, RSND_NODE_DAI);
1177 goto of_node_compatible;
1182 dai_node = of_graph_get_next_endpoint(np, NULL);
1191 of_node_put(dai_node);
1197 #define PREALLOC_BUFFER (32 * 1024)
1198 #define PREALLOC_BUFFER_MAX (32 * 1024)
1200 static int rsnd_preallocate_pages(struct snd_soc_pcm_runtime *rtd,
1201 struct rsnd_dai_stream *io,
1204 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1205 struct device *dev = rsnd_priv_to_dev(priv);
1206 struct snd_pcm_substream *substream;
1209 * use Audio-DMAC dev if we can use IPMMU
1211 * rsnd_dmaen_attach()
1216 for (substream = rtd->pcm->streams[stream].substream;
1218 substream = substream->next) {
1219 snd_pcm_lib_preallocate_pages(substream,
1222 PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
1228 static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd,
1229 struct snd_soc_dai *dai)
1231 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1234 ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd);
1238 ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd);
1242 ret = rsnd_preallocate_pages(rtd, &rdai->playback,
1243 SNDRV_PCM_STREAM_PLAYBACK);
1247 ret = rsnd_preallocate_pages(rtd, &rdai->capture,
1248 SNDRV_PCM_STREAM_CAPTURE);
1255 static void __rsnd_dai_probe(struct rsnd_priv *priv,
1256 struct device_node *dai_np,
1259 struct device_node *playback, *capture;
1260 struct rsnd_dai_stream *io_playback;
1261 struct rsnd_dai_stream *io_capture;
1262 struct snd_soc_dai_driver *drv;
1263 struct rsnd_dai *rdai;
1264 struct device *dev = rsnd_priv_to_dev(priv);
1267 rdai = rsnd_rdai_get(priv, dai_i);
1268 drv = rsnd_daidrv_get(priv, dai_i);
1269 io_playback = &rdai->playback;
1270 io_capture = &rdai->capture;
1272 snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i);
1275 drv->name = rdai->name;
1276 drv->ops = &rsnd_soc_dai_ops;
1277 drv->pcm_new = rsnd_pcm_new;
1279 snprintf(io_playback->name, RSND_DAI_NAME_SIZE,
1280 "DAI%d Playback", dai_i);
1281 drv->playback.rates = RSND_RATES;
1282 drv->playback.formats = RSND_FMTS;
1283 drv->playback.channels_min = 2;
1284 drv->playback.channels_max = 8;
1285 drv->playback.stream_name = io_playback->name;
1287 snprintf(io_capture->name, RSND_DAI_NAME_SIZE,
1288 "DAI%d Capture", dai_i);
1289 drv->capture.rates = RSND_RATES;
1290 drv->capture.formats = RSND_FMTS;
1291 drv->capture.channels_min = 2;
1292 drv->capture.channels_max = 8;
1293 drv->capture.stream_name = io_capture->name;
1295 io_playback->rdai = rdai;
1296 io_capture->rdai = rdai;
1297 rsnd_rdai_channels_set(rdai, 2); /* default 2ch */
1298 rsnd_rdai_ssi_lane_set(rdai, 1); /* default 1lane */
1299 rsnd_rdai_width_set(rdai, 32); /* default 32bit width */
1301 for (io_i = 0;; io_i++) {
1302 playback = of_parse_phandle(dai_np, "playback", io_i);
1303 capture = of_parse_phandle(dai_np, "capture", io_i);
1305 if (!playback && !capture)
1308 rsnd_parse_connect_ssi(rdai, playback, capture);
1309 rsnd_parse_connect_ssiu(rdai, playback, capture);
1310 rsnd_parse_connect_src(rdai, playback, capture);
1311 rsnd_parse_connect_ctu(rdai, playback, capture);
1312 rsnd_parse_connect_mix(rdai, playback, capture);
1313 rsnd_parse_connect_dvc(rdai, playback, capture);
1315 of_node_put(playback);
1316 of_node_put(capture);
1319 if (rsnd_ssi_is_pin_sharing(io_capture) ||
1320 rsnd_ssi_is_pin_sharing(io_playback)) {
1321 /* should have symmetric_rates if pin sharing */
1322 drv->symmetric_rates = 1;
1325 dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
1326 rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ",
1327 rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- ");
1330 static int rsnd_dai_probe(struct rsnd_priv *priv)
1332 struct device_node *dai_node;
1333 struct device_node *dai_np;
1334 struct snd_soc_dai_driver *rdrv;
1335 struct device *dev = rsnd_priv_to_dev(priv);
1336 struct rsnd_dai *rdai;
1341 dai_node = rsnd_dai_of_node(priv, &is_graph);
1343 nr = of_graph_get_endpoint_count(dai_node);
1345 nr = of_get_child_count(dai_node);
1350 rdrv = devm_kcalloc(dev, nr, sizeof(*rdrv), GFP_KERNEL);
1351 rdai = devm_kcalloc(dev, nr, sizeof(*rdai), GFP_KERNEL);
1356 priv->daidrv = rdrv;
1364 for_each_endpoint_of_node(dai_node, dai_np) {
1365 __rsnd_dai_probe(priv, dai_np, dai_i);
1366 if (rsnd_is_gen3(priv)) {
1367 struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1369 rsnd_parse_connect_graph(priv, &rdai->playback, dai_np);
1370 rsnd_parse_connect_graph(priv, &rdai->capture, dai_np);
1375 for_each_child_of_node(dai_node, dai_np) {
1376 __rsnd_dai_probe(priv, dai_np, dai_i);
1377 if (rsnd_is_gen3(priv)) {
1378 struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1380 rsnd_parse_connect_simple(priv, &rdai->playback, dai_np);
1381 rsnd_parse_connect_simple(priv, &rdai->capture, dai_np);
1393 static int rsnd_hw_params(struct snd_pcm_substream *substream,
1394 struct snd_pcm_hw_params *hw_params)
1396 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1397 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1398 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1399 struct snd_soc_pcm_runtime *fe = substream->private_data;
1403 * rsnd assumes that it might be used under DPCM if user want to use
1404 * channel / rate convert. Then, rsnd should be FE.
1405 * And then, this function will be called *after* BE settings.
1406 * this means, each BE already has fixuped hw_params.
1408 * dpcm_fe_dai_hw_params()
1409 * dpcm_be_dai_hw_params()
1411 io->converted_rate = 0;
1412 io->converted_chan = 0;
1413 if (fe->dai_link->dynamic) {
1414 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1415 struct device *dev = rsnd_priv_to_dev(priv);
1416 struct snd_soc_dpcm *dpcm;
1417 struct snd_pcm_hw_params *be_params;
1418 int stream = substream->stream;
1420 for_each_dpcm_be(fe, stream, dpcm) {
1421 be_params = &dpcm->hw_params;
1422 if (params_channels(hw_params) != params_channels(be_params))
1423 io->converted_chan = params_channels(be_params);
1424 if (params_rate(hw_params) != params_rate(be_params))
1425 io->converted_rate = params_rate(be_params);
1427 if (io->converted_chan)
1428 dev_dbg(dev, "convert channels = %d\n", io->converted_chan);
1429 if (io->converted_rate)
1430 dev_dbg(dev, "convert rate = %d\n", io->converted_rate);
1433 ret = rsnd_dai_call(hw_params, io, substream, hw_params);
1437 return snd_pcm_lib_malloc_pages(substream,
1438 params_buffer_bytes(hw_params));
1441 static int rsnd_hw_free(struct snd_pcm_substream *substream)
1443 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1444 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1445 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1448 ret = rsnd_dai_call(hw_free, io, substream);
1452 return snd_pcm_lib_free_pages(substream);
1455 static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)
1457 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1458 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1459 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1460 snd_pcm_uframes_t pointer = 0;
1462 rsnd_dai_call(pointer, io, &pointer);
1467 static const struct snd_pcm_ops rsnd_pcm_ops = {
1468 .ioctl = snd_pcm_lib_ioctl,
1469 .hw_params = rsnd_hw_params,
1470 .hw_free = rsnd_hw_free,
1471 .pointer = rsnd_pointer,
1477 static int rsnd_kctrl_info(struct snd_kcontrol *kctrl,
1478 struct snd_ctl_elem_info *uinfo)
1480 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1483 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1484 uinfo->count = cfg->size;
1485 uinfo->value.enumerated.items = cfg->max;
1486 if (uinfo->value.enumerated.item >= cfg->max)
1487 uinfo->value.enumerated.item = cfg->max - 1;
1488 strlcpy(uinfo->value.enumerated.name,
1489 cfg->texts[uinfo->value.enumerated.item],
1490 sizeof(uinfo->value.enumerated.name));
1492 uinfo->count = cfg->size;
1493 uinfo->value.integer.min = 0;
1494 uinfo->value.integer.max = cfg->max;
1495 uinfo->type = (cfg->max == 1) ?
1496 SNDRV_CTL_ELEM_TYPE_BOOLEAN :
1497 SNDRV_CTL_ELEM_TYPE_INTEGER;
1503 static int rsnd_kctrl_get(struct snd_kcontrol *kctrl,
1504 struct snd_ctl_elem_value *uc)
1506 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1509 for (i = 0; i < cfg->size; i++)
1511 uc->value.enumerated.item[i] = cfg->val[i];
1513 uc->value.integer.value[i] = cfg->val[i];
1518 static int rsnd_kctrl_put(struct snd_kcontrol *kctrl,
1519 struct snd_ctl_elem_value *uc)
1521 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1524 if (!cfg->accept(cfg->io))
1527 for (i = 0; i < cfg->size; i++) {
1529 change |= (uc->value.enumerated.item[i] != cfg->val[i]);
1530 cfg->val[i] = uc->value.enumerated.item[i];
1532 change |= (uc->value.integer.value[i] != cfg->val[i]);
1533 cfg->val[i] = uc->value.integer.value[i];
1537 if (change && cfg->update)
1538 cfg->update(cfg->io, cfg->mod);
1543 int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io)
1548 int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io)
1550 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
1551 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1552 struct device *dev = rsnd_priv_to_dev(priv);
1555 dev_warn(dev, "Can't update kctrl when idle\n");
1562 struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg)
1564 cfg->cfg.val = cfg->val;
1569 struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg)
1571 cfg->cfg.val = &cfg->val;
1576 const char * const volume_ramp_rate[] = {
1577 "128 dB/1 step", /* 00000 */
1578 "64 dB/1 step", /* 00001 */
1579 "32 dB/1 step", /* 00010 */
1580 "16 dB/1 step", /* 00011 */
1581 "8 dB/1 step", /* 00100 */
1582 "4 dB/1 step", /* 00101 */
1583 "2 dB/1 step", /* 00110 */
1584 "1 dB/1 step", /* 00111 */
1585 "0.5 dB/1 step", /* 01000 */
1586 "0.25 dB/1 step", /* 01001 */
1587 "0.125 dB/1 step", /* 01010 = VOLUME_RAMP_MAX_MIX */
1588 "0.125 dB/2 steps", /* 01011 */
1589 "0.125 dB/4 steps", /* 01100 */
1590 "0.125 dB/8 steps", /* 01101 */
1591 "0.125 dB/16 steps", /* 01110 */
1592 "0.125 dB/32 steps", /* 01111 */
1593 "0.125 dB/64 steps", /* 10000 */
1594 "0.125 dB/128 steps", /* 10001 */
1595 "0.125 dB/256 steps", /* 10010 */
1596 "0.125 dB/512 steps", /* 10011 */
1597 "0.125 dB/1024 steps", /* 10100 */
1598 "0.125 dB/2048 steps", /* 10101 */
1599 "0.125 dB/4096 steps", /* 10110 */
1600 "0.125 dB/8192 steps", /* 10111 = VOLUME_RAMP_MAX_DVC */
1603 int rsnd_kctrl_new(struct rsnd_mod *mod,
1604 struct rsnd_dai_stream *io,
1605 struct snd_soc_pcm_runtime *rtd,
1606 const unsigned char *name,
1607 int (*accept)(struct rsnd_dai_stream *io),
1608 void (*update)(struct rsnd_dai_stream *io,
1609 struct rsnd_mod *mod),
1610 struct rsnd_kctrl_cfg *cfg,
1611 const char * const *texts,
1615 struct snd_card *card = rtd->card->snd_card;
1616 struct snd_kcontrol *kctrl;
1617 struct snd_kcontrol_new knew = {
1618 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1620 .info = rsnd_kctrl_info,
1622 .get = rsnd_kctrl_get,
1623 .put = rsnd_kctrl_put,
1628 * 1) Avoid duplicate register for DVC with MIX case
1629 * 2) Allow duplicate register for MIX
1630 * 3) re-register if card was rebinded
1632 list_for_each_entry(kctrl, &card->controls, list) {
1633 struct rsnd_kctrl_cfg *c = kctrl->private_data;
1639 if (size > RSND_MAX_CHANNELS)
1642 kctrl = snd_ctl_new1(&knew, cfg);
1646 ret = snd_ctl_add(card, kctrl);
1653 cfg->accept = accept;
1654 cfg->update = update;
1666 static const struct snd_soc_component_driver rsnd_soc_component = {
1667 .ops = &rsnd_pcm_ops,
1671 static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv,
1672 struct rsnd_dai_stream *io)
1676 ret = rsnd_dai_call(probe, io, priv);
1677 if (ret == -EAGAIN) {
1678 struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
1679 struct rsnd_mod *mod;
1683 * Fallback to PIO mode
1687 * call "remove" for SSI/SRC/DVC
1688 * SSI will be switch to PIO mode if it was DMA mode
1691 * rsnd_ssi_fallback()
1693 rsnd_dai_call(remove, io, priv);
1696 * remove all mod from io
1697 * and, re connect ssi
1699 for_each_rsnd_mod(i, mod, io)
1700 rsnd_dai_disconnect(mod, io, i);
1701 rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI);
1706 rsnd_dai_call(fallback, io, priv);
1710 * DAI has SSI which is PIO mode only now.
1712 ret = rsnd_dai_call(probe, io, priv);
1721 static int rsnd_probe(struct platform_device *pdev)
1723 struct rsnd_priv *priv;
1724 struct device *dev = &pdev->dev;
1725 struct rsnd_dai *rdai;
1726 int (*probe_func[])(struct rsnd_priv *priv) = {
1744 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1749 priv->flags = (unsigned long)of_device_get_match_data(dev);
1750 spin_lock_init(&priv->lock);
1755 for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
1756 ret = probe_func[i](priv);
1761 for_each_rsnd_dai(rdai, priv, i) {
1762 ret = rsnd_rdai_continuance_probe(priv, &rdai->playback);
1764 goto exit_snd_probe;
1766 ret = rsnd_rdai_continuance_probe(priv, &rdai->capture);
1768 goto exit_snd_probe;
1771 dev_set_drvdata(dev, priv);
1776 ret = devm_snd_soc_register_component(dev, &rsnd_soc_component,
1777 priv->daidrv, rsnd_rdai_nr(priv));
1779 dev_err(dev, "cannot snd dai register\n");
1780 goto exit_snd_probe;
1783 pm_runtime_enable(dev);
1785 dev_info(dev, "probed\n");
1789 for_each_rsnd_dai(rdai, priv, i) {
1790 rsnd_dai_call(remove, &rdai->playback, priv);
1791 rsnd_dai_call(remove, &rdai->capture, priv);
1795 * adg is very special mod which can't use rsnd_dai_call(remove),
1796 * and it registers ADG clock on probe.
1797 * It should be unregister if probe failed.
1798 * Mainly it is assuming -EPROBE_DEFER case
1800 rsnd_adg_remove(priv);
1805 static int rsnd_remove(struct platform_device *pdev)
1807 struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
1808 struct rsnd_dai *rdai;
1809 void (*remove_func[])(struct rsnd_priv *priv) = {
1821 snd_soc_disconnect_sync(&pdev->dev);
1823 pm_runtime_disable(&pdev->dev);
1825 for_each_rsnd_dai(rdai, priv, i) {
1826 ret |= rsnd_dai_call(remove, &rdai->playback, priv);
1827 ret |= rsnd_dai_call(remove, &rdai->capture, priv);
1830 for (i = 0; i < ARRAY_SIZE(remove_func); i++)
1831 remove_func[i](priv);
1836 static int __maybe_unused rsnd_suspend(struct device *dev)
1838 struct rsnd_priv *priv = dev_get_drvdata(dev);
1840 rsnd_adg_clk_disable(priv);
1845 static int __maybe_unused rsnd_resume(struct device *dev)
1847 struct rsnd_priv *priv = dev_get_drvdata(dev);
1849 rsnd_adg_clk_enable(priv);
1854 static const struct dev_pm_ops rsnd_pm_ops = {
1855 SET_SYSTEM_SLEEP_PM_OPS(rsnd_suspend, rsnd_resume)
1858 static struct platform_driver rsnd_driver = {
1860 .name = "rcar_sound",
1862 .of_match_table = rsnd_of_match,
1864 .probe = rsnd_probe,
1865 .remove = rsnd_remove,
1867 module_platform_driver(rsnd_driver);
1869 MODULE_LICENSE("GPL v2");
1870 MODULE_DESCRIPTION("Renesas R-Car audio driver");
1871 MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
1872 MODULE_ALIAS("platform:rcar-pcm-audio");