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101#include <linux/pm_runtime.h>
102#include "rsnd.h"
103
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)
108
109static 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
114 { .compatible = "renesas,rcar_sound-r8a77990", .data = (void *)(RSND_GEN3 | RSND_SOC_E) },
115 {},
116};
117MODULE_DEVICE_TABLE(of, rsnd_of_match);
118
119
120
121
122void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type)
123{
124 if (mod->type != type) {
125 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
126 struct device *dev = rsnd_priv_to_dev(priv);
127
128 dev_warn(dev, "%s is not your expected module\n",
129 rsnd_mod_name(mod));
130 }
131}
132
133struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io,
134 struct rsnd_mod *mod)
135{
136 if (!mod || !mod->ops || !mod->ops->dma_req)
137 return NULL;
138
139 return mod->ops->dma_req(io, mod);
140}
141
142#define MOD_NAME_NUM 5
143#define MOD_NAME_SIZE 16
144char *rsnd_mod_name(struct rsnd_mod *mod)
145{
146 static char names[MOD_NAME_NUM][MOD_NAME_SIZE];
147 static int num;
148 char *name = names[num];
149
150 num++;
151 if (num >= MOD_NAME_NUM)
152 num = 0;
153
154
155
156
157
158
159 if ((mod)->ops->id_sub) {
160 snprintf(name, MOD_NAME_SIZE, "%s[%d%d]",
161 mod->ops->name,
162 rsnd_mod_id(mod),
163 rsnd_mod_id_sub(mod));
164 } else {
165 snprintf(name, MOD_NAME_SIZE, "%s[%d]",
166 mod->ops->name,
167 rsnd_mod_id(mod));
168 }
169
170 return name;
171}
172
173u32 *rsnd_mod_get_status(struct rsnd_mod *mod,
174 struct rsnd_dai_stream *io,
175 enum rsnd_mod_type type)
176{
177 return &mod->status;
178}
179
180int rsnd_mod_id_raw(struct rsnd_mod *mod)
181{
182 return mod->id;
183}
184
185int rsnd_mod_id(struct rsnd_mod *mod)
186{
187 if ((mod)->ops->id)
188 return (mod)->ops->id(mod);
189
190 return rsnd_mod_id_raw(mod);
191}
192
193int rsnd_mod_id_sub(struct rsnd_mod *mod)
194{
195 if ((mod)->ops->id_sub)
196 return (mod)->ops->id_sub(mod);
197
198 return 0;
199}
200
201int rsnd_mod_init(struct rsnd_priv *priv,
202 struct rsnd_mod *mod,
203 struct rsnd_mod_ops *ops,
204 struct clk *clk,
205 enum rsnd_mod_type type,
206 int id)
207{
208 int ret = clk_prepare(clk);
209
210 if (ret)
211 return ret;
212
213 mod->id = id;
214 mod->ops = ops;
215 mod->type = type;
216 mod->clk = clk;
217 mod->priv = priv;
218
219 return ret;
220}
221
222void rsnd_mod_quit(struct rsnd_mod *mod)
223{
224 clk_unprepare(mod->clk);
225 mod->clk = NULL;
226}
227
228void rsnd_mod_interrupt(struct rsnd_mod *mod,
229 void (*callback)(struct rsnd_mod *mod,
230 struct rsnd_dai_stream *io))
231{
232 struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
233 struct rsnd_dai_stream *io;
234 struct rsnd_dai *rdai;
235 int i;
236
237 for_each_rsnd_dai(rdai, priv, i) {
238 io = &rdai->playback;
239 if (mod == io->mod[mod->type])
240 callback(mod, io);
241
242 io = &rdai->capture;
243 if (mod == io->mod[mod->type])
244 callback(mod, io);
245 }
246}
247
248int rsnd_io_is_working(struct rsnd_dai_stream *io)
249{
250
251 if (io->substream)
252 return snd_pcm_running(io->substream);
253
254 return 0;
255}
256
257int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io,
258 struct snd_pcm_hw_params *params)
259{
260 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
261
262
263
264
265
266
267
268 if (params)
269 return params_channels(params);
270 else
271 return runtime->channels;
272}
273
274int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io,
275 struct snd_pcm_hw_params *params)
276{
277 int chan = rsnd_runtime_channel_original_with_params(io, params);
278 struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io);
279
280 if (ctu_mod) {
281 u32 converted_chan = rsnd_io_converted_chan(io);
282
283
284
285
286
287
288
289
290 if (rsnd_runtime_is_tdm_split(io)) {
291 struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io));
292
293 dev_err(dev, "CTU and TDM Split should be used\n");
294 }
295
296 if (converted_chan)
297 return converted_chan;
298 }
299
300 return chan;
301}
302
303int rsnd_channel_normalization(int chan)
304{
305 if ((chan > 8) || (chan < 0))
306 return 0;
307
308
309 if (chan == 6)
310 chan = 8;
311
312 return chan;
313}
314
315int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io,
316 struct snd_pcm_hw_params *params)
317{
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);
322
323
324 if (rsnd_runtime_is_multi_ssi(io))
325 chan /= rsnd_rdai_ssi_lane_get(rdai);
326
327 return rsnd_channel_normalization(chan);
328}
329
330int rsnd_runtime_is_multi_ssi(struct rsnd_dai_stream *io)
331{
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);
337
338 return (chan > 2) && (lane > 1);
339}
340
341int rsnd_runtime_is_tdm(struct rsnd_dai_stream *io)
342{
343 return rsnd_runtime_channel_for_ssi(io) >= 6;
344}
345
346int rsnd_runtime_is_tdm_split(struct rsnd_dai_stream *io)
347{
348 return !!rsnd_flags_has(io, RSND_STREAM_TDM_SPLIT);
349}
350
351
352
353
354u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
355{
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);
359
360 switch (snd_pcm_format_width(runtime->format)) {
361 case 8:
362 return 16 << 16;
363 case 16:
364 return 8 << 16;
365 case 24:
366 return 0 << 16;
367 }
368
369 dev_warn(dev, "not supported sample bits\n");
370
371 return 0;
372}
373
374
375
376
377u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io)
378{
379 struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io);
380 struct rsnd_mod *target;
381 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404 if (rsnd_io_is_play(io)) {
405 struct rsnd_mod *src = rsnd_io_to_mod_src(io);
406
407 target = src ? src : ssiu;
408 } else {
409 struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io);
410
411 target = cmd ? cmd : ssiu;
412 }
413
414
415 if ((snd_pcm_format_width(runtime->format) != 16) ||
416 (mod != target))
417 return 0x76543210;
418
419 else
420 return 0x67452301;
421}
422
423u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod)
424{
425 enum rsnd_mod_type playback_mods[] = {
426 RSND_MOD_SRC,
427 RSND_MOD_CMD,
428 RSND_MOD_SSIU,
429 };
430 enum rsnd_mod_type capture_mods[] = {
431 RSND_MOD_CMD,
432 RSND_MOD_SRC,
433 RSND_MOD_SSIU,
434 };
435 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
436 struct rsnd_mod *tmod = NULL;
437 enum rsnd_mod_type *mods =
438 rsnd_io_is_play(io) ?
439 playback_mods : capture_mods;
440 int i;
441
442
443
444
445
446
447
448
449
450 if (snd_pcm_format_width(runtime->format) != 24)
451 return 0;
452
453 for (i = 0; i < ARRAY_SIZE(playback_mods); i++) {
454 tmod = rsnd_io_to_mod(io, mods[i]);
455 if (tmod)
456 break;
457 }
458
459 if (tmod != mod)
460 return 0;
461
462 if (rsnd_io_is_play(io))
463 return (0 << 20) |
464 (8 << 16);
465 else
466 return (1 << 20) |
467 (8 << 16);
468}
469
470
471
472
473struct rsnd_mod *rsnd_mod_next(int *iterator,
474 struct rsnd_dai_stream *io,
475 enum rsnd_mod_type *array,
476 int array_size)
477{
478 struct rsnd_mod *mod;
479 enum rsnd_mod_type type;
480 int max = array ? array_size : RSND_MOD_MAX;
481
482 for (; *iterator < max; (*iterator)++) {
483 type = (array) ? array[*iterator] : *iterator;
484 mod = rsnd_io_to_mod(io, type);
485 if (mod)
486 return mod;
487 }
488
489 return NULL;
490}
491
492static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = {
493 {
494
495 RSND_MOD_AUDMAPP,
496 RSND_MOD_AUDMA,
497 RSND_MOD_DVC,
498 RSND_MOD_MIX,
499 RSND_MOD_CTU,
500 RSND_MOD_CMD,
501 RSND_MOD_SRC,
502 RSND_MOD_SSIU,
503 RSND_MOD_SSIM3,
504 RSND_MOD_SSIM2,
505 RSND_MOD_SSIM1,
506 RSND_MOD_SSIP,
507 RSND_MOD_SSI,
508 }, {
509
510 RSND_MOD_AUDMAPP,
511 RSND_MOD_AUDMA,
512 RSND_MOD_SSIM3,
513 RSND_MOD_SSIM2,
514 RSND_MOD_SSIM1,
515 RSND_MOD_SSIP,
516 RSND_MOD_SSI,
517 RSND_MOD_SSIU,
518 RSND_MOD_DVC,
519 RSND_MOD_MIX,
520 RSND_MOD_CTU,
521 RSND_MOD_CMD,
522 RSND_MOD_SRC,
523 },
524};
525
526static int rsnd_status_update(u32 *status,
527 int shift, int add, int timing)
528{
529 u32 mask = 0xF << shift;
530 u8 val = (*status >> shift) & 0xF;
531 u8 next_val = (val + add) & 0xF;
532 int func_call = (val == timing);
533
534 if (next_val == 0xF)
535 func_call = 0;
536 else
537 *status = (*status & ~mask) + (next_val << shift);
538
539 return func_call;
540}
541
542#define rsnd_dai_call(fn, io, param...) \
543({ \
544 struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io)); \
545 struct rsnd_mod *mod; \
546 int is_play = rsnd_io_is_play(io); \
547 int ret = 0, i; \
548 enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \
549 for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \
550 int tmp = 0; \
551 u32 *status = mod->ops->get_status(mod, io, types[i]); \
552 int func_call = rsnd_status_update(status, \
553 __rsnd_mod_shift_##fn, \
554 __rsnd_mod_add_##fn, \
555 __rsnd_mod_call_##fn); \
556 rsnd_dbg_dai_call(dev, "%s\t0x%08x %s\n", \
557 rsnd_mod_name(mod), *status, \
558 (func_call && (mod)->ops->fn) ? #fn : ""); \
559 if (func_call && (mod)->ops->fn) \
560 tmp = (mod)->ops->fn(mod, io, param); \
561 if (tmp && (tmp != -EPROBE_DEFER)) \
562 dev_err(dev, "%s : %s error %d\n", \
563 rsnd_mod_name(mod), #fn, tmp); \
564 ret |= tmp; \
565 } \
566 ret; \
567})
568
569int rsnd_dai_connect(struct rsnd_mod *mod,
570 struct rsnd_dai_stream *io,
571 enum rsnd_mod_type type)
572{
573 struct rsnd_priv *priv;
574 struct device *dev;
575
576 if (!mod)
577 return -EIO;
578
579 if (io->mod[type] == mod)
580 return 0;
581
582 if (io->mod[type])
583 return -EINVAL;
584
585 priv = rsnd_mod_to_priv(mod);
586 dev = rsnd_priv_to_dev(priv);
587
588 io->mod[type] = mod;
589
590 dev_dbg(dev, "%s is connected to io (%s)\n",
591 rsnd_mod_name(mod),
592 rsnd_io_is_play(io) ? "Playback" : "Capture");
593
594 return 0;
595}
596
597static void rsnd_dai_disconnect(struct rsnd_mod *mod,
598 struct rsnd_dai_stream *io,
599 enum rsnd_mod_type type)
600{
601 io->mod[type] = NULL;
602}
603
604int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai,
605 int max_channels)
606{
607 if (max_channels > 0)
608 rdai->max_channels = max_channels;
609
610 return rdai->max_channels;
611}
612
613int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai,
614 int ssi_lane)
615{
616 if (ssi_lane > 0)
617 rdai->ssi_lane = ssi_lane;
618
619 return rdai->ssi_lane;
620}
621
622int rsnd_rdai_width_ctrl(struct rsnd_dai *rdai, int width)
623{
624 if (width > 0)
625 rdai->chan_width = width;
626
627 return rdai->chan_width;
628}
629
630struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id)
631{
632 if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
633 return NULL;
634
635 return priv->rdai + id;
636}
637
638static struct snd_soc_dai_driver
639*rsnd_daidrv_get(struct rsnd_priv *priv, int id)
640{
641 if ((id < 0) || (id >= rsnd_rdai_nr(priv)))
642 return NULL;
643
644 return priv->daidrv + id;
645}
646
647#define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai)
648static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai)
649{
650 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
651
652 return rsnd_rdai_get(priv, dai->id);
653}
654
655
656
657
658void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io)
659{
660 struct snd_pcm_substream *substream = io->substream;
661
662
663
664
665
666
667
668
669 snd_pcm_period_elapsed(substream);
670}
671
672static void rsnd_dai_stream_init(struct rsnd_dai_stream *io,
673 struct snd_pcm_substream *substream)
674{
675 io->substream = substream;
676}
677
678static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io)
679{
680 io->substream = NULL;
681}
682
683static
684struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream)
685{
686 struct snd_soc_pcm_runtime *rtd = substream->private_data;
687
688 return rtd->cpu_dai;
689}
690
691static
692struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai,
693 struct snd_pcm_substream *substream)
694{
695 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
696 return &rdai->playback;
697 else
698 return &rdai->capture;
699}
700
701static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
702 struct snd_soc_dai *dai)
703{
704 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
705 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
706 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
707 int ret;
708 unsigned long flags;
709
710 spin_lock_irqsave(&priv->lock, flags);
711
712 switch (cmd) {
713 case SNDRV_PCM_TRIGGER_START:
714 case SNDRV_PCM_TRIGGER_RESUME:
715 ret = rsnd_dai_call(init, io, priv);
716 if (ret < 0)
717 goto dai_trigger_end;
718
719 ret = rsnd_dai_call(start, io, priv);
720 if (ret < 0)
721 goto dai_trigger_end;
722
723 ret = rsnd_dai_call(irq, io, priv, 1);
724 if (ret < 0)
725 goto dai_trigger_end;
726
727 break;
728 case SNDRV_PCM_TRIGGER_STOP:
729 case SNDRV_PCM_TRIGGER_SUSPEND:
730 ret = rsnd_dai_call(irq, io, priv, 0);
731
732 ret |= rsnd_dai_call(stop, io, priv);
733
734 ret |= rsnd_dai_call(quit, io, priv);
735
736 break;
737 default:
738 ret = -EINVAL;
739 }
740
741dai_trigger_end:
742 spin_unlock_irqrestore(&priv->lock, flags);
743
744 return ret;
745}
746
747static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
748{
749 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
750
751
752 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
753 case SND_SOC_DAIFMT_CBM_CFM:
754 rdai->clk_master = 0;
755 break;
756 case SND_SOC_DAIFMT_CBS_CFS:
757 rdai->clk_master = 1;
758 break;
759 default:
760 return -EINVAL;
761 }
762
763
764 rdai->bit_clk_inv = 0;
765 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
766 case SND_SOC_DAIFMT_I2S:
767 rdai->sys_delay = 0;
768 rdai->data_alignment = 0;
769 rdai->frm_clk_inv = 0;
770 break;
771 case SND_SOC_DAIFMT_LEFT_J:
772 case SND_SOC_DAIFMT_DSP_B:
773 rdai->sys_delay = 1;
774 rdai->data_alignment = 0;
775 rdai->frm_clk_inv = 1;
776 break;
777 case SND_SOC_DAIFMT_RIGHT_J:
778 rdai->sys_delay = 1;
779 rdai->data_alignment = 1;
780 rdai->frm_clk_inv = 1;
781 break;
782 case SND_SOC_DAIFMT_DSP_A:
783 rdai->sys_delay = 0;
784 rdai->data_alignment = 0;
785 rdai->frm_clk_inv = 1;
786 break;
787 }
788
789
790 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
791 case SND_SOC_DAIFMT_NB_IF:
792 rdai->frm_clk_inv = !rdai->frm_clk_inv;
793 break;
794 case SND_SOC_DAIFMT_IB_NF:
795 rdai->bit_clk_inv = !rdai->bit_clk_inv;
796 break;
797 case SND_SOC_DAIFMT_IB_IF:
798 rdai->bit_clk_inv = !rdai->bit_clk_inv;
799 rdai->frm_clk_inv = !rdai->frm_clk_inv;
800 break;
801 case SND_SOC_DAIFMT_NB_NF:
802 default:
803 break;
804 }
805
806 return 0;
807}
808
809static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai,
810 u32 tx_mask, u32 rx_mask,
811 int slots, int slot_width)
812{
813 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
814 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
815 struct device *dev = rsnd_priv_to_dev(priv);
816
817 switch (slot_width) {
818 case 16:
819 case 24:
820 case 32:
821 break;
822 default:
823
824 slot_width = 32;
825 }
826
827 switch (slots) {
828 case 2:
829
830 case 6:
831 case 8:
832
833 rsnd_rdai_channels_set(rdai, slots);
834 rsnd_rdai_ssi_lane_set(rdai, 1);
835 rsnd_rdai_width_set(rdai, slot_width);
836 break;
837 default:
838 dev_err(dev, "unsupported TDM slots (%d)\n", slots);
839 return -EINVAL;
840 }
841
842 return 0;
843}
844
845static unsigned int rsnd_soc_hw_channels_list[] = {
846 2, 6, 8,
847};
848
849static unsigned int rsnd_soc_hw_rate_list[] = {
850 8000,
851 11025,
852 16000,
853 22050,
854 32000,
855 44100,
856 48000,
857 64000,
858 88200,
859 96000,
860 176400,
861 192000,
862};
863
864static int rsnd_soc_hw_rule(struct rsnd_dai *rdai,
865 unsigned int *list, int list_num,
866 struct snd_interval *baseline, struct snd_interval *iv)
867{
868 struct snd_interval p;
869 unsigned int rate;
870 int i;
871
872 snd_interval_any(&p);
873 p.min = UINT_MAX;
874 p.max = 0;
875
876 for (i = 0; i < list_num; i++) {
877
878 if (!snd_interval_test(iv, list[i]))
879 continue;
880
881 rate = rsnd_ssi_clk_query(rdai,
882 baseline->min, list[i], NULL);
883 if (rate > 0) {
884 p.min = min(p.min, list[i]);
885 p.max = max(p.max, list[i]);
886 }
887
888 rate = rsnd_ssi_clk_query(rdai,
889 baseline->max, list[i], NULL);
890 if (rate > 0) {
891 p.min = min(p.min, list[i]);
892 p.max = max(p.max, list[i]);
893 }
894 }
895
896 return snd_interval_refine(iv, &p);
897}
898
899static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params,
900 struct snd_pcm_hw_rule *rule)
901{
902 struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
903 struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
904 struct snd_interval ic;
905 struct rsnd_dai_stream *io = rule->private;
906 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
907
908
909
910
911
912
913 ic = *ic_;
914 ic.min =
915 ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
916
917 return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_rate_list,
918 ARRAY_SIZE(rsnd_soc_hw_rate_list),
919 &ic, ir);
920}
921
922static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
923 struct snd_pcm_hw_rule *rule)
924{
925 struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
926 struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
927 struct snd_interval ic;
928 struct rsnd_dai_stream *io = rule->private;
929 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
930
931
932
933
934
935
936 ic = *ic_;
937 ic.min =
938 ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
939
940 return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_channels_list,
941 ARRAY_SIZE(rsnd_soc_hw_channels_list),
942 ir, &ic);
943}
944
945static const struct snd_pcm_hardware rsnd_pcm_hardware = {
946 .info = SNDRV_PCM_INFO_INTERLEAVED |
947 SNDRV_PCM_INFO_MMAP |
948 SNDRV_PCM_INFO_MMAP_VALID,
949 .buffer_bytes_max = 64 * 1024,
950 .period_bytes_min = 32,
951 .period_bytes_max = 8192,
952 .periods_min = 1,
953 .periods_max = 32,
954 .fifo_size = 256,
955};
956
957static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream,
958 struct snd_soc_dai *dai)
959{
960 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
961 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
962 struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint;
963 struct snd_pcm_runtime *runtime = substream->runtime;
964 unsigned int max_channels = rsnd_rdai_channels_get(rdai);
965 int i;
966
967 rsnd_dai_stream_init(io, substream);
968
969
970
971
972
973 constraint->list = rsnd_soc_hw_channels_list;
974 constraint->count = 0;
975 constraint->mask = 0;
976
977 for (i = 0; i < ARRAY_SIZE(rsnd_soc_hw_channels_list); i++) {
978 if (rsnd_soc_hw_channels_list[i] > max_channels)
979 break;
980 constraint->count = i + 1;
981 }
982
983 snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);
984
985 snd_pcm_hw_constraint_list(runtime, 0,
986 SNDRV_PCM_HW_PARAM_CHANNELS, constraint);
987
988 snd_pcm_hw_constraint_integer(runtime,
989 SNDRV_PCM_HW_PARAM_PERIODS);
990
991
992
993
994
995 if (rsnd_rdai_is_clk_master(rdai)) {
996 int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
997
998 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
999 rsnd_soc_hw_rule_rate,
1000 is_play ? &rdai->playback : &rdai->capture,
1001 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
1002 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1003 rsnd_soc_hw_rule_channels,
1004 is_play ? &rdai->playback : &rdai->capture,
1005 SNDRV_PCM_HW_PARAM_RATE, -1);
1006 }
1007
1008 return 0;
1009}
1010
1011static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
1012 struct snd_soc_dai *dai)
1013{
1014 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1015 struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
1016 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1017
1018
1019
1020
1021 rsnd_dai_call(cleanup, io, priv);
1022
1023 rsnd_dai_stream_quit(io);
1024}
1025
1026static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream,
1027 struct snd_soc_dai *dai)
1028{
1029 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
1030 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1031 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1032
1033 return rsnd_dai_call(prepare, io, priv);
1034}
1035
1036static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
1037 .startup = rsnd_soc_dai_startup,
1038 .shutdown = rsnd_soc_dai_shutdown,
1039 .trigger = rsnd_soc_dai_trigger,
1040 .set_fmt = rsnd_soc_dai_set_fmt,
1041 .set_tdm_slot = rsnd_soc_set_dai_tdm_slot,
1042 .prepare = rsnd_soc_dai_prepare,
1043};
1044
1045static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv,
1046 struct rsnd_dai_stream *io,
1047 struct device_node *dai_np)
1048{
1049 struct device *dev = rsnd_priv_to_dev(priv);
1050 struct device_node *ssiu_np = rsnd_ssiu_of_node(priv);
1051 struct device_node *np;
1052 int is_play = rsnd_io_is_play(io);
1053 int i, j;
1054
1055 if (!ssiu_np)
1056 return;
1057
1058
1059
1060
1061
1062 for (i = 0;; i++) {
1063 struct device_node *node = is_play ?
1064 of_parse_phandle(dai_np, "playback", i) :
1065 of_parse_phandle(dai_np, "capture", i);
1066
1067 if (!node)
1068 break;
1069
1070 j = 0;
1071 for_each_child_of_node(ssiu_np, np) {
1072 if (np == node) {
1073 rsnd_flags_set(io, RSND_STREAM_TDM_SPLIT);
1074 dev_dbg(dev, "%s is part of TDM Split\n", io->name);
1075 }
1076 j++;
1077 }
1078
1079 }
1080}
1081
1082static void rsnd_parse_connect_simple(struct rsnd_priv *priv,
1083 struct rsnd_dai_stream *io,
1084 struct device_node *dai_np)
1085{
1086 if (!rsnd_io_to_mod_ssi(io))
1087 return;
1088
1089 rsnd_parse_tdm_split_mode(priv, io, dai_np);
1090}
1091
1092static void rsnd_parse_connect_graph(struct rsnd_priv *priv,
1093 struct rsnd_dai_stream *io,
1094 struct device_node *endpoint)
1095{
1096 struct device *dev = rsnd_priv_to_dev(priv);
1097 struct device_node *remote_node = of_graph_get_remote_port_parent(endpoint);
1098
1099 if (!rsnd_io_to_mod_ssi(io))
1100 return;
1101
1102
1103 if (strstr(remote_node->full_name, "hdmi@fead0000")) {
1104 rsnd_flags_set(io, RSND_STREAM_HDMI0);
1105 dev_dbg(dev, "%s connected to HDMI0\n", io->name);
1106 }
1107
1108
1109 if (strstr(remote_node->full_name, "hdmi@feae0000")) {
1110 rsnd_flags_set(io, RSND_STREAM_HDMI1);
1111 dev_dbg(dev, "%s connected to HDMI1\n", io->name);
1112 }
1113
1114 rsnd_parse_tdm_split_mode(priv, io, endpoint);
1115}
1116
1117void rsnd_parse_connect_common(struct rsnd_dai *rdai,
1118 struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
1119 struct device_node *node,
1120 struct device_node *playback,
1121 struct device_node *capture)
1122{
1123 struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
1124 struct device_node *np;
1125 struct rsnd_mod *mod;
1126 int i;
1127
1128 if (!node)
1129 return;
1130
1131 i = 0;
1132 for_each_child_of_node(node, np) {
1133 mod = mod_get(priv, i);
1134 if (np == playback)
1135 rsnd_dai_connect(mod, &rdai->playback, mod->type);
1136 if (np == capture)
1137 rsnd_dai_connect(mod, &rdai->capture, mod->type);
1138 i++;
1139 }
1140
1141 of_node_put(node);
1142}
1143
1144static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv,
1145 int *is_graph)
1146{
1147 struct device *dev = rsnd_priv_to_dev(priv);
1148 struct device_node *np = dev->of_node;
1149 struct device_node *dai_node;
1150 struct device_node *ret;
1151
1152 *is_graph = 0;
1153
1154
1155
1156
1157
1158 dai_node = of_get_child_by_name(np, RSND_NODE_DAI);
1159 if (dai_node) {
1160 ret = dai_node;
1161 goto of_node_compatible;
1162 }
1163
1164 ret = np;
1165
1166 dai_node = of_graph_get_next_endpoint(np, NULL);
1167 if (dai_node)
1168 goto of_node_graph;
1169
1170 return NULL;
1171
1172of_node_graph:
1173 *is_graph = 1;
1174of_node_compatible:
1175 of_node_put(dai_node);
1176
1177 return ret;
1178}
1179
1180
1181#define PREALLOC_BUFFER (32 * 1024)
1182#define PREALLOC_BUFFER_MAX (32 * 1024)
1183
1184static int rsnd_preallocate_pages(struct snd_soc_pcm_runtime *rtd,
1185 struct rsnd_dai_stream *io,
1186 int stream)
1187{
1188 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1189 struct device *dev = rsnd_priv_to_dev(priv);
1190 struct snd_pcm_substream *substream;
1191
1192
1193
1194
1195
1196
1197 if (io->dmac_dev)
1198 dev = io->dmac_dev;
1199
1200 for (substream = rtd->pcm->streams[stream].substream;
1201 substream;
1202 substream = substream->next) {
1203 snd_pcm_lib_preallocate_pages(substream,
1204 SNDRV_DMA_TYPE_DEV,
1205 dev,
1206 PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
1207 }
1208
1209 return 0;
1210}
1211
1212static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd,
1213 struct snd_soc_dai *dai)
1214{
1215 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1216 int ret;
1217
1218 ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd);
1219 if (ret)
1220 return ret;
1221
1222 ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd);
1223 if (ret)
1224 return ret;
1225
1226 ret = rsnd_preallocate_pages(rtd, &rdai->playback,
1227 SNDRV_PCM_STREAM_PLAYBACK);
1228 if (ret)
1229 return ret;
1230
1231 ret = rsnd_preallocate_pages(rtd, &rdai->capture,
1232 SNDRV_PCM_STREAM_CAPTURE);
1233 if (ret)
1234 return ret;
1235
1236 return 0;
1237}
1238
1239static void __rsnd_dai_probe(struct rsnd_priv *priv,
1240 struct device_node *dai_np,
1241 int dai_i)
1242{
1243 struct device_node *playback, *capture;
1244 struct rsnd_dai_stream *io_playback;
1245 struct rsnd_dai_stream *io_capture;
1246 struct snd_soc_dai_driver *drv;
1247 struct rsnd_dai *rdai;
1248 struct device *dev = rsnd_priv_to_dev(priv);
1249 int io_i;
1250
1251 rdai = rsnd_rdai_get(priv, dai_i);
1252 drv = rsnd_daidrv_get(priv, dai_i);
1253 io_playback = &rdai->playback;
1254 io_capture = &rdai->capture;
1255
1256 snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i);
1257
1258 rdai->priv = priv;
1259 drv->name = rdai->name;
1260 drv->ops = &rsnd_soc_dai_ops;
1261 drv->pcm_new = rsnd_pcm_new;
1262
1263 snprintf(io_playback->name, RSND_DAI_NAME_SIZE,
1264 "DAI%d Playback", dai_i);
1265 drv->playback.rates = RSND_RATES;
1266 drv->playback.formats = RSND_FMTS;
1267 drv->playback.channels_min = 2;
1268 drv->playback.channels_max = 8;
1269 drv->playback.stream_name = io_playback->name;
1270
1271 snprintf(io_capture->name, RSND_DAI_NAME_SIZE,
1272 "DAI%d Capture", dai_i);
1273 drv->capture.rates = RSND_RATES;
1274 drv->capture.formats = RSND_FMTS;
1275 drv->capture.channels_min = 2;
1276 drv->capture.channels_max = 8;
1277 drv->capture.stream_name = io_capture->name;
1278
1279 io_playback->rdai = rdai;
1280 io_capture->rdai = rdai;
1281 rsnd_rdai_channels_set(rdai, 2);
1282 rsnd_rdai_ssi_lane_set(rdai, 1);
1283 rsnd_rdai_width_set(rdai, 32);
1284
1285 for (io_i = 0;; io_i++) {
1286 playback = of_parse_phandle(dai_np, "playback", io_i);
1287 capture = of_parse_phandle(dai_np, "capture", io_i);
1288
1289 if (!playback && !capture)
1290 break;
1291
1292 rsnd_parse_connect_ssi(rdai, playback, capture);
1293 rsnd_parse_connect_ssiu(rdai, playback, capture);
1294 rsnd_parse_connect_src(rdai, playback, capture);
1295 rsnd_parse_connect_ctu(rdai, playback, capture);
1296 rsnd_parse_connect_mix(rdai, playback, capture);
1297 rsnd_parse_connect_dvc(rdai, playback, capture);
1298
1299 of_node_put(playback);
1300 of_node_put(capture);
1301 }
1302
1303 if (rsnd_ssi_is_pin_sharing(io_capture) ||
1304 rsnd_ssi_is_pin_sharing(io_playback)) {
1305
1306 drv->symmetric_rates = 1;
1307 }
1308
1309 dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
1310 rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ",
1311 rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- ");
1312}
1313
1314static int rsnd_dai_probe(struct rsnd_priv *priv)
1315{
1316 struct device_node *dai_node;
1317 struct device_node *dai_np;
1318 struct snd_soc_dai_driver *rdrv;
1319 struct device *dev = rsnd_priv_to_dev(priv);
1320 struct rsnd_dai *rdai;
1321 int nr;
1322 int is_graph;
1323 int dai_i;
1324
1325 dai_node = rsnd_dai_of_node(priv, &is_graph);
1326 if (is_graph)
1327 nr = of_graph_get_endpoint_count(dai_node);
1328 else
1329 nr = of_get_child_count(dai_node);
1330
1331 if (!nr)
1332 return -EINVAL;
1333
1334 rdrv = devm_kcalloc(dev, nr, sizeof(*rdrv), GFP_KERNEL);
1335 rdai = devm_kcalloc(dev, nr, sizeof(*rdai), GFP_KERNEL);
1336 if (!rdrv || !rdai)
1337 return -ENOMEM;
1338
1339 priv->rdai_nr = nr;
1340 priv->daidrv = rdrv;
1341 priv->rdai = rdai;
1342
1343
1344
1345
1346 dai_i = 0;
1347 if (is_graph) {
1348 for_each_endpoint_of_node(dai_node, dai_np) {
1349 __rsnd_dai_probe(priv, dai_np, dai_i);
1350 if (rsnd_is_gen3(priv)) {
1351 struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1352
1353 rsnd_parse_connect_graph(priv, &rdai->playback, dai_np);
1354 rsnd_parse_connect_graph(priv, &rdai->capture, dai_np);
1355 }
1356 dai_i++;
1357 }
1358 } else {
1359 for_each_child_of_node(dai_node, dai_np) {
1360 __rsnd_dai_probe(priv, dai_np, dai_i);
1361 if (rsnd_is_gen3(priv)) {
1362 struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1363
1364 rsnd_parse_connect_simple(priv, &rdai->playback, dai_np);
1365 rsnd_parse_connect_simple(priv, &rdai->capture, dai_np);
1366 }
1367 dai_i++;
1368 }
1369 }
1370
1371 return 0;
1372}
1373
1374
1375
1376
1377static int rsnd_hw_params(struct snd_pcm_substream *substream,
1378 struct snd_pcm_hw_params *hw_params)
1379{
1380 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1381 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1382 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1383 struct snd_soc_pcm_runtime *fe = substream->private_data;
1384 int ret;
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395 io->converted_rate = 0;
1396 io->converted_chan = 0;
1397 if (fe->dai_link->dynamic) {
1398 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1399 struct device *dev = rsnd_priv_to_dev(priv);
1400 struct snd_soc_dpcm *dpcm;
1401 struct snd_pcm_hw_params *be_params;
1402 int stream = substream->stream;
1403
1404 for_each_dpcm_be(fe, stream, dpcm) {
1405 be_params = &dpcm->hw_params;
1406 if (params_channels(hw_params) != params_channels(be_params))
1407 io->converted_chan = params_channels(be_params);
1408 if (params_rate(hw_params) != params_rate(be_params))
1409 io->converted_rate = params_rate(be_params);
1410 }
1411 if (io->converted_chan)
1412 dev_dbg(dev, "convert channels = %d\n", io->converted_chan);
1413 if (io->converted_rate)
1414 dev_dbg(dev, "convert rate = %d\n", io->converted_rate);
1415 }
1416
1417 ret = rsnd_dai_call(hw_params, io, substream, hw_params);
1418 if (ret)
1419 return ret;
1420
1421 return snd_pcm_lib_malloc_pages(substream,
1422 params_buffer_bytes(hw_params));
1423}
1424
1425static int rsnd_hw_free(struct snd_pcm_substream *substream)
1426{
1427 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1428 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1429 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1430 int ret;
1431
1432 ret = rsnd_dai_call(hw_free, io, substream);
1433 if (ret)
1434 return ret;
1435
1436 return snd_pcm_lib_free_pages(substream);
1437}
1438
1439static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)
1440{
1441 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1442 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1443 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1444 snd_pcm_uframes_t pointer = 0;
1445
1446 rsnd_dai_call(pointer, io, &pointer);
1447
1448 return pointer;
1449}
1450
1451static const struct snd_pcm_ops rsnd_pcm_ops = {
1452 .ioctl = snd_pcm_lib_ioctl,
1453 .hw_params = rsnd_hw_params,
1454 .hw_free = rsnd_hw_free,
1455 .pointer = rsnd_pointer,
1456};
1457
1458
1459
1460
1461static int rsnd_kctrl_info(struct snd_kcontrol *kctrl,
1462 struct snd_ctl_elem_info *uinfo)
1463{
1464 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1465
1466 if (cfg->texts) {
1467 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1468 uinfo->count = cfg->size;
1469 uinfo->value.enumerated.items = cfg->max;
1470 if (uinfo->value.enumerated.item >= cfg->max)
1471 uinfo->value.enumerated.item = cfg->max - 1;
1472 strlcpy(uinfo->value.enumerated.name,
1473 cfg->texts[uinfo->value.enumerated.item],
1474 sizeof(uinfo->value.enumerated.name));
1475 } else {
1476 uinfo->count = cfg->size;
1477 uinfo->value.integer.min = 0;
1478 uinfo->value.integer.max = cfg->max;
1479 uinfo->type = (cfg->max == 1) ?
1480 SNDRV_CTL_ELEM_TYPE_BOOLEAN :
1481 SNDRV_CTL_ELEM_TYPE_INTEGER;
1482 }
1483
1484 return 0;
1485}
1486
1487static int rsnd_kctrl_get(struct snd_kcontrol *kctrl,
1488 struct snd_ctl_elem_value *uc)
1489{
1490 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1491 int i;
1492
1493 for (i = 0; i < cfg->size; i++)
1494 if (cfg->texts)
1495 uc->value.enumerated.item[i] = cfg->val[i];
1496 else
1497 uc->value.integer.value[i] = cfg->val[i];
1498
1499 return 0;
1500}
1501
1502static int rsnd_kctrl_put(struct snd_kcontrol *kctrl,
1503 struct snd_ctl_elem_value *uc)
1504{
1505 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1506 int i, change = 0;
1507
1508 if (!cfg->accept(cfg->io))
1509 return 0;
1510
1511 for (i = 0; i < cfg->size; i++) {
1512 if (cfg->texts) {
1513 change |= (uc->value.enumerated.item[i] != cfg->val[i]);
1514 cfg->val[i] = uc->value.enumerated.item[i];
1515 } else {
1516 change |= (uc->value.integer.value[i] != cfg->val[i]);
1517 cfg->val[i] = uc->value.integer.value[i];
1518 }
1519 }
1520
1521 if (change && cfg->update)
1522 cfg->update(cfg->io, cfg->mod);
1523
1524 return change;
1525}
1526
1527int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io)
1528{
1529 return 1;
1530}
1531
1532int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io)
1533{
1534 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
1535 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1536 struct device *dev = rsnd_priv_to_dev(priv);
1537
1538 if (!runtime) {
1539 dev_warn(dev, "Can't update kctrl when idle\n");
1540 return 0;
1541 }
1542
1543 return 1;
1544}
1545
1546struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg)
1547{
1548 cfg->cfg.val = cfg->val;
1549
1550 return &cfg->cfg;
1551}
1552
1553struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg)
1554{
1555 cfg->cfg.val = &cfg->val;
1556
1557 return &cfg->cfg;
1558}
1559
1560const char * const volume_ramp_rate[] = {
1561 "128 dB/1 step",
1562 "64 dB/1 step",
1563 "32 dB/1 step",
1564 "16 dB/1 step",
1565 "8 dB/1 step",
1566 "4 dB/1 step",
1567 "2 dB/1 step",
1568 "1 dB/1 step",
1569 "0.5 dB/1 step",
1570 "0.25 dB/1 step",
1571 "0.125 dB/1 step",
1572 "0.125 dB/2 steps",
1573 "0.125 dB/4 steps",
1574 "0.125 dB/8 steps",
1575 "0.125 dB/16 steps",
1576 "0.125 dB/32 steps",
1577 "0.125 dB/64 steps",
1578 "0.125 dB/128 steps",
1579 "0.125 dB/256 steps",
1580 "0.125 dB/512 steps",
1581 "0.125 dB/1024 steps",
1582 "0.125 dB/2048 steps",
1583 "0.125 dB/4096 steps",
1584 "0.125 dB/8192 steps",
1585};
1586
1587int rsnd_kctrl_new(struct rsnd_mod *mod,
1588 struct rsnd_dai_stream *io,
1589 struct snd_soc_pcm_runtime *rtd,
1590 const unsigned char *name,
1591 int (*accept)(struct rsnd_dai_stream *io),
1592 void (*update)(struct rsnd_dai_stream *io,
1593 struct rsnd_mod *mod),
1594 struct rsnd_kctrl_cfg *cfg,
1595 const char * const *texts,
1596 int size,
1597 u32 max)
1598{
1599 struct snd_card *card = rtd->card->snd_card;
1600 struct snd_kcontrol *kctrl;
1601 struct snd_kcontrol_new knew = {
1602 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1603 .name = name,
1604 .info = rsnd_kctrl_info,
1605 .index = rtd->num,
1606 .get = rsnd_kctrl_get,
1607 .put = rsnd_kctrl_put,
1608 };
1609 int ret;
1610
1611
1612
1613
1614
1615
1616 list_for_each_entry(kctrl, &card->controls, list) {
1617 struct rsnd_kctrl_cfg *c = kctrl->private_data;
1618
1619 if (c == cfg)
1620 return 0;
1621 }
1622
1623 if (size > RSND_MAX_CHANNELS)
1624 return -EINVAL;
1625
1626 kctrl = snd_ctl_new1(&knew, cfg);
1627 if (!kctrl)
1628 return -ENOMEM;
1629
1630 ret = snd_ctl_add(card, kctrl);
1631 if (ret < 0)
1632 return ret;
1633
1634 cfg->texts = texts;
1635 cfg->max = max;
1636 cfg->size = size;
1637 cfg->accept = accept;
1638 cfg->update = update;
1639 cfg->card = card;
1640 cfg->kctrl = kctrl;
1641 cfg->io = io;
1642 cfg->mod = mod;
1643
1644 return 0;
1645}
1646
1647
1648
1649
1650static const struct snd_soc_component_driver rsnd_soc_component = {
1651 .ops = &rsnd_pcm_ops,
1652 .name = "rsnd",
1653};
1654
1655static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv,
1656 struct rsnd_dai_stream *io)
1657{
1658 int ret;
1659
1660 ret = rsnd_dai_call(probe, io, priv);
1661 if (ret == -EAGAIN) {
1662 struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
1663 struct rsnd_mod *mod;
1664 int i;
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677 rsnd_dai_call(remove, io, priv);
1678
1679
1680
1681
1682
1683 for_each_rsnd_mod(i, mod, io)
1684 rsnd_dai_disconnect(mod, io, i);
1685 rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI);
1686
1687
1688
1689
1690 rsnd_dai_call(fallback, io, priv);
1691
1692
1693
1694
1695
1696 ret = rsnd_dai_call(probe, io, priv);
1697 }
1698
1699 return ret;
1700}
1701
1702
1703
1704
1705static int rsnd_probe(struct platform_device *pdev)
1706{
1707 struct rsnd_priv *priv;
1708 struct device *dev = &pdev->dev;
1709 struct rsnd_dai *rdai;
1710 int (*probe_func[])(struct rsnd_priv *priv) = {
1711 rsnd_gen_probe,
1712 rsnd_dma_probe,
1713 rsnd_ssi_probe,
1714 rsnd_ssiu_probe,
1715 rsnd_src_probe,
1716 rsnd_ctu_probe,
1717 rsnd_mix_probe,
1718 rsnd_dvc_probe,
1719 rsnd_cmd_probe,
1720 rsnd_adg_probe,
1721 rsnd_dai_probe,
1722 };
1723 int ret, i;
1724
1725
1726
1727
1728 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1729 if (!priv)
1730 return -ENODEV;
1731
1732 priv->pdev = pdev;
1733 priv->flags = (unsigned long)of_device_get_match_data(dev);
1734 spin_lock_init(&priv->lock);
1735
1736
1737
1738
1739 for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
1740 ret = probe_func[i](priv);
1741 if (ret)
1742 return ret;
1743 }
1744
1745 for_each_rsnd_dai(rdai, priv, i) {
1746 ret = rsnd_rdai_continuance_probe(priv, &rdai->playback);
1747 if (ret)
1748 goto exit_snd_probe;
1749
1750 ret = rsnd_rdai_continuance_probe(priv, &rdai->capture);
1751 if (ret)
1752 goto exit_snd_probe;
1753 }
1754
1755 dev_set_drvdata(dev, priv);
1756
1757
1758
1759
1760 ret = devm_snd_soc_register_component(dev, &rsnd_soc_component,
1761 priv->daidrv, rsnd_rdai_nr(priv));
1762 if (ret < 0) {
1763 dev_err(dev, "cannot snd dai register\n");
1764 goto exit_snd_probe;
1765 }
1766
1767 pm_runtime_enable(dev);
1768
1769 dev_info(dev, "probed\n");
1770 return ret;
1771
1772exit_snd_probe:
1773 for_each_rsnd_dai(rdai, priv, i) {
1774 rsnd_dai_call(remove, &rdai->playback, priv);
1775 rsnd_dai_call(remove, &rdai->capture, priv);
1776 }
1777
1778
1779
1780
1781
1782
1783
1784 rsnd_adg_remove(priv);
1785
1786 return ret;
1787}
1788
1789static int rsnd_remove(struct platform_device *pdev)
1790{
1791 struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
1792 struct rsnd_dai *rdai;
1793 void (*remove_func[])(struct rsnd_priv *priv) = {
1794 rsnd_ssi_remove,
1795 rsnd_ssiu_remove,
1796 rsnd_src_remove,
1797 rsnd_ctu_remove,
1798 rsnd_mix_remove,
1799 rsnd_dvc_remove,
1800 rsnd_cmd_remove,
1801 rsnd_adg_remove,
1802 };
1803 int ret = 0, i;
1804
1805 snd_soc_disconnect_sync(&pdev->dev);
1806
1807 pm_runtime_disable(&pdev->dev);
1808
1809 for_each_rsnd_dai(rdai, priv, i) {
1810 ret |= rsnd_dai_call(remove, &rdai->playback, priv);
1811 ret |= rsnd_dai_call(remove, &rdai->capture, priv);
1812 }
1813
1814 for (i = 0; i < ARRAY_SIZE(remove_func); i++)
1815 remove_func[i](priv);
1816
1817 return ret;
1818}
1819
1820static int __maybe_unused rsnd_suspend(struct device *dev)
1821{
1822 struct rsnd_priv *priv = dev_get_drvdata(dev);
1823
1824 rsnd_adg_clk_disable(priv);
1825
1826 return 0;
1827}
1828
1829static int __maybe_unused rsnd_resume(struct device *dev)
1830{
1831 struct rsnd_priv *priv = dev_get_drvdata(dev);
1832
1833 rsnd_adg_clk_enable(priv);
1834
1835 return 0;
1836}
1837
1838static const struct dev_pm_ops rsnd_pm_ops = {
1839 SET_SYSTEM_SLEEP_PM_OPS(rsnd_suspend, rsnd_resume)
1840};
1841
1842static struct platform_driver rsnd_driver = {
1843 .driver = {
1844 .name = "rcar_sound",
1845 .pm = &rsnd_pm_ops,
1846 .of_match_table = rsnd_of_match,
1847 },
1848 .probe = rsnd_probe,
1849 .remove = rsnd_remove,
1850};
1851module_platform_driver(rsnd_driver);
1852
1853MODULE_LICENSE("GPL v2");
1854MODULE_DESCRIPTION("Renesas R-Car audio driver");
1855MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
1856MODULE_ALIAS("platform:rcar-pcm-audio");
1857
