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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 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
765 case SND_SOC_DAIFMT_I2S:
766 rdai->sys_delay = 0;
767 rdai->data_alignment = 0;
768 rdai->frm_clk_inv = 0;
769 break;
770 case SND_SOC_DAIFMT_LEFT_J:
771 case SND_SOC_DAIFMT_DSP_B:
772 rdai->sys_delay = 1;
773 rdai->data_alignment = 0;
774 rdai->frm_clk_inv = 1;
775 break;
776 case SND_SOC_DAIFMT_RIGHT_J:
777 rdai->sys_delay = 1;
778 rdai->data_alignment = 1;
779 rdai->frm_clk_inv = 1;
780 break;
781 case SND_SOC_DAIFMT_DSP_A:
782 rdai->sys_delay = 0;
783 rdai->data_alignment = 0;
784 rdai->frm_clk_inv = 1;
785 break;
786 }
787
788
789 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
790 case SND_SOC_DAIFMT_NB_IF:
791 rdai->frm_clk_inv = !rdai->frm_clk_inv;
792 break;
793 case SND_SOC_DAIFMT_IB_NF:
794 rdai->bit_clk_inv = !rdai->bit_clk_inv;
795 break;
796 case SND_SOC_DAIFMT_IB_IF:
797 rdai->bit_clk_inv = !rdai->bit_clk_inv;
798 rdai->frm_clk_inv = !rdai->frm_clk_inv;
799 break;
800 case SND_SOC_DAIFMT_NB_NF:
801 default:
802 break;
803 }
804
805 return 0;
806}
807
808static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai,
809 u32 tx_mask, u32 rx_mask,
810 int slots, int slot_width)
811{
812 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
813 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
814 struct device *dev = rsnd_priv_to_dev(priv);
815
816 switch (slot_width) {
817 case 16:
818 case 24:
819 case 32:
820 break;
821 default:
822
823 slot_width = 32;
824 }
825
826 switch (slots) {
827 case 2:
828
829 case 6:
830 case 8:
831
832 rsnd_rdai_channels_set(rdai, slots);
833 rsnd_rdai_ssi_lane_set(rdai, 1);
834 rsnd_rdai_width_set(rdai, slot_width);
835 break;
836 default:
837 dev_err(dev, "unsupported TDM slots (%d)\n", slots);
838 return -EINVAL;
839 }
840
841 return 0;
842}
843
844static unsigned int rsnd_soc_hw_channels_list[] = {
845 2, 6, 8,
846};
847
848static unsigned int rsnd_soc_hw_rate_list[] = {
849 8000,
850 11025,
851 16000,
852 22050,
853 32000,
854 44100,
855 48000,
856 64000,
857 88200,
858 96000,
859 176400,
860 192000,
861};
862
863static int rsnd_soc_hw_rule(struct rsnd_dai *rdai,
864 unsigned int *list, int list_num,
865 struct snd_interval *baseline, struct snd_interval *iv)
866{
867 struct snd_interval p;
868 unsigned int rate;
869 int i;
870
871 snd_interval_any(&p);
872 p.min = UINT_MAX;
873 p.max = 0;
874
875 for (i = 0; i < list_num; i++) {
876
877 if (!snd_interval_test(iv, list[i]))
878 continue;
879
880 rate = rsnd_ssi_clk_query(rdai,
881 baseline->min, list[i], NULL);
882 if (rate > 0) {
883 p.min = min(p.min, list[i]);
884 p.max = max(p.max, list[i]);
885 }
886
887 rate = rsnd_ssi_clk_query(rdai,
888 baseline->max, list[i], NULL);
889 if (rate > 0) {
890 p.min = min(p.min, list[i]);
891 p.max = max(p.max, list[i]);
892 }
893 }
894
895 return snd_interval_refine(iv, &p);
896}
897
898static int rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params,
899 struct snd_pcm_hw_rule *rule)
900{
901 struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
902 struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
903 struct snd_interval ic;
904 struct rsnd_dai_stream *io = rule->private;
905 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
906
907
908
909
910
911
912 ic = *ic_;
913 ic.min =
914 ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
915
916 return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_rate_list,
917 ARRAY_SIZE(rsnd_soc_hw_rate_list),
918 &ic, ir);
919}
920
921static int rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params,
922 struct snd_pcm_hw_rule *rule)
923{
924 struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
925 struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
926 struct snd_interval ic;
927 struct rsnd_dai_stream *io = rule->private;
928 struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
929
930
931
932
933
934
935 ic = *ic_;
936 ic.min =
937 ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params);
938
939 return rsnd_soc_hw_rule(rdai, rsnd_soc_hw_channels_list,
940 ARRAY_SIZE(rsnd_soc_hw_channels_list),
941 ir, &ic);
942}
943
944static const struct snd_pcm_hardware rsnd_pcm_hardware = {
945 .info = SNDRV_PCM_INFO_INTERLEAVED |
946 SNDRV_PCM_INFO_MMAP |
947 SNDRV_PCM_INFO_MMAP_VALID,
948 .buffer_bytes_max = 64 * 1024,
949 .period_bytes_min = 32,
950 .period_bytes_max = 8192,
951 .periods_min = 1,
952 .periods_max = 32,
953 .fifo_size = 256,
954};
955
956static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream,
957 struct snd_soc_dai *dai)
958{
959 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
960 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
961 struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint;
962 struct snd_pcm_runtime *runtime = substream->runtime;
963 unsigned int max_channels = rsnd_rdai_channels_get(rdai);
964 int i;
965
966 rsnd_dai_stream_init(io, substream);
967
968
969
970
971
972 constraint->list = rsnd_soc_hw_channels_list;
973 constraint->count = 0;
974 constraint->mask = 0;
975
976 for (i = 0; i < ARRAY_SIZE(rsnd_soc_hw_channels_list); i++) {
977 if (rsnd_soc_hw_channels_list[i] > max_channels)
978 break;
979 constraint->count = i + 1;
980 }
981
982 snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware);
983
984 snd_pcm_hw_constraint_list(runtime, 0,
985 SNDRV_PCM_HW_PARAM_CHANNELS, constraint);
986
987 snd_pcm_hw_constraint_integer(runtime,
988 SNDRV_PCM_HW_PARAM_PERIODS);
989
990
991
992
993
994 if (rsnd_rdai_is_clk_master(rdai)) {
995 int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
996
997 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
998 rsnd_soc_hw_rule_rate,
999 is_play ? &rdai->playback : &rdai->capture,
1000 SNDRV_PCM_HW_PARAM_CHANNELS, -1);
1001 snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
1002 rsnd_soc_hw_rule_channels,
1003 is_play ? &rdai->playback : &rdai->capture,
1004 SNDRV_PCM_HW_PARAM_RATE, -1);
1005 }
1006
1007 return 0;
1008}
1009
1010static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
1011 struct snd_soc_dai *dai)
1012{
1013 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1014 struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
1015 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1016
1017
1018
1019
1020 rsnd_dai_call(cleanup, io, priv);
1021
1022 rsnd_dai_stream_quit(io);
1023}
1024
1025static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream,
1026 struct snd_soc_dai *dai)
1027{
1028 struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
1029 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1030 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1031
1032 return rsnd_dai_call(prepare, io, priv);
1033}
1034
1035static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
1036 .startup = rsnd_soc_dai_startup,
1037 .shutdown = rsnd_soc_dai_shutdown,
1038 .trigger = rsnd_soc_dai_trigger,
1039 .set_fmt = rsnd_soc_dai_set_fmt,
1040 .set_tdm_slot = rsnd_soc_set_dai_tdm_slot,
1041 .prepare = rsnd_soc_dai_prepare,
1042};
1043
1044static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv,
1045 struct rsnd_dai_stream *io,
1046 struct device_node *dai_np)
1047{
1048 struct device *dev = rsnd_priv_to_dev(priv);
1049 struct device_node *ssiu_np = rsnd_ssiu_of_node(priv);
1050 struct device_node *np;
1051 int is_play = rsnd_io_is_play(io);
1052 int i, j;
1053
1054 if (!ssiu_np)
1055 return;
1056
1057
1058
1059
1060
1061 for (i = 0;; i++) {
1062 struct device_node *node = is_play ?
1063 of_parse_phandle(dai_np, "playback", i) :
1064 of_parse_phandle(dai_np, "capture", i);
1065
1066 if (!node)
1067 break;
1068
1069 j = 0;
1070 for_each_child_of_node(ssiu_np, np) {
1071 if (np == node) {
1072 rsnd_flags_set(io, RSND_STREAM_TDM_SPLIT);
1073 dev_dbg(dev, "%s is part of TDM Split\n", io->name);
1074 }
1075 j++;
1076 }
1077
1078 }
1079}
1080
1081static void rsnd_parse_connect_simple(struct rsnd_priv *priv,
1082 struct rsnd_dai_stream *io,
1083 struct device_node *dai_np)
1084{
1085 if (!rsnd_io_to_mod_ssi(io))
1086 return;
1087
1088 rsnd_parse_tdm_split_mode(priv, io, dai_np);
1089}
1090
1091static void rsnd_parse_connect_graph(struct rsnd_priv *priv,
1092 struct rsnd_dai_stream *io,
1093 struct device_node *endpoint)
1094{
1095 struct device *dev = rsnd_priv_to_dev(priv);
1096 struct device_node *remote_node = of_graph_get_remote_port_parent(endpoint);
1097
1098 if (!rsnd_io_to_mod_ssi(io))
1099 return;
1100
1101
1102 if (strstr(remote_node->full_name, "hdmi@fead0000")) {
1103 rsnd_flags_set(io, RSND_STREAM_HDMI0);
1104 dev_dbg(dev, "%s connected to HDMI0\n", io->name);
1105 }
1106
1107
1108 if (strstr(remote_node->full_name, "hdmi@feae0000")) {
1109 rsnd_flags_set(io, RSND_STREAM_HDMI1);
1110 dev_dbg(dev, "%s connected to HDMI1\n", io->name);
1111 }
1112
1113 rsnd_parse_tdm_split_mode(priv, io, endpoint);
1114}
1115
1116void rsnd_parse_connect_common(struct rsnd_dai *rdai,
1117 struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id),
1118 struct device_node *node,
1119 struct device_node *playback,
1120 struct device_node *capture)
1121{
1122 struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
1123 struct device_node *np;
1124 struct rsnd_mod *mod;
1125 int i;
1126
1127 if (!node)
1128 return;
1129
1130 i = 0;
1131 for_each_child_of_node(node, np) {
1132 mod = mod_get(priv, i);
1133 if (np == playback)
1134 rsnd_dai_connect(mod, &rdai->playback, mod->type);
1135 if (np == capture)
1136 rsnd_dai_connect(mod, &rdai->capture, mod->type);
1137 i++;
1138 }
1139
1140 of_node_put(node);
1141}
1142
1143static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv,
1144 int *is_graph)
1145{
1146 struct device *dev = rsnd_priv_to_dev(priv);
1147 struct device_node *np = dev->of_node;
1148 struct device_node *dai_node;
1149 struct device_node *ret;
1150
1151 *is_graph = 0;
1152
1153
1154
1155
1156
1157 dai_node = of_get_child_by_name(np, RSND_NODE_DAI);
1158 if (dai_node) {
1159 ret = dai_node;
1160 goto of_node_compatible;
1161 }
1162
1163 ret = np;
1164
1165 dai_node = of_graph_get_next_endpoint(np, NULL);
1166 if (dai_node)
1167 goto of_node_graph;
1168
1169 return NULL;
1170
1171of_node_graph:
1172 *is_graph = 1;
1173of_node_compatible:
1174 of_node_put(dai_node);
1175
1176 return ret;
1177}
1178
1179
1180#define PREALLOC_BUFFER (32 * 1024)
1181#define PREALLOC_BUFFER_MAX (32 * 1024)
1182
1183static int rsnd_preallocate_pages(struct snd_soc_pcm_runtime *rtd,
1184 struct rsnd_dai_stream *io,
1185 int stream)
1186{
1187 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1188 struct device *dev = rsnd_priv_to_dev(priv);
1189 struct snd_pcm_substream *substream;
1190
1191
1192
1193
1194
1195
1196 if (io->dmac_dev)
1197 dev = io->dmac_dev;
1198
1199 for (substream = rtd->pcm->streams[stream].substream;
1200 substream;
1201 substream = substream->next) {
1202 snd_pcm_lib_preallocate_pages(substream,
1203 SNDRV_DMA_TYPE_DEV,
1204 dev,
1205 PREALLOC_BUFFER, PREALLOC_BUFFER_MAX);
1206 }
1207
1208 return 0;
1209}
1210
1211static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd,
1212 struct snd_soc_dai *dai)
1213{
1214 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1215 int ret;
1216
1217 ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd);
1218 if (ret)
1219 return ret;
1220
1221 ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd);
1222 if (ret)
1223 return ret;
1224
1225 ret = rsnd_preallocate_pages(rtd, &rdai->playback,
1226 SNDRV_PCM_STREAM_PLAYBACK);
1227 if (ret)
1228 return ret;
1229
1230 ret = rsnd_preallocate_pages(rtd, &rdai->capture,
1231 SNDRV_PCM_STREAM_CAPTURE);
1232 if (ret)
1233 return ret;
1234
1235 return 0;
1236}
1237
1238static void __rsnd_dai_probe(struct rsnd_priv *priv,
1239 struct device_node *dai_np,
1240 int dai_i)
1241{
1242 struct device_node *playback, *capture;
1243 struct rsnd_dai_stream *io_playback;
1244 struct rsnd_dai_stream *io_capture;
1245 struct snd_soc_dai_driver *drv;
1246 struct rsnd_dai *rdai;
1247 struct device *dev = rsnd_priv_to_dev(priv);
1248 int io_i;
1249
1250 rdai = rsnd_rdai_get(priv, dai_i);
1251 drv = rsnd_daidrv_get(priv, dai_i);
1252 io_playback = &rdai->playback;
1253 io_capture = &rdai->capture;
1254
1255 snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i);
1256
1257 rdai->priv = priv;
1258 drv->name = rdai->name;
1259 drv->ops = &rsnd_soc_dai_ops;
1260 drv->pcm_new = rsnd_pcm_new;
1261
1262 snprintf(io_playback->name, RSND_DAI_NAME_SIZE,
1263 "DAI%d Playback", dai_i);
1264 drv->playback.rates = RSND_RATES;
1265 drv->playback.formats = RSND_FMTS;
1266 drv->playback.channels_min = 2;
1267 drv->playback.channels_max = 8;
1268 drv->playback.stream_name = io_playback->name;
1269
1270 snprintf(io_capture->name, RSND_DAI_NAME_SIZE,
1271 "DAI%d Capture", dai_i);
1272 drv->capture.rates = RSND_RATES;
1273 drv->capture.formats = RSND_FMTS;
1274 drv->capture.channels_min = 2;
1275 drv->capture.channels_max = 8;
1276 drv->capture.stream_name = io_capture->name;
1277
1278 io_playback->rdai = rdai;
1279 io_capture->rdai = rdai;
1280 rsnd_rdai_channels_set(rdai, 2);
1281 rsnd_rdai_ssi_lane_set(rdai, 1);
1282 rsnd_rdai_width_set(rdai, 32);
1283
1284 for (io_i = 0;; io_i++) {
1285 playback = of_parse_phandle(dai_np, "playback", io_i);
1286 capture = of_parse_phandle(dai_np, "capture", io_i);
1287
1288 if (!playback && !capture)
1289 break;
1290
1291 rsnd_parse_connect_ssi(rdai, playback, capture);
1292 rsnd_parse_connect_ssiu(rdai, playback, capture);
1293 rsnd_parse_connect_src(rdai, playback, capture);
1294 rsnd_parse_connect_ctu(rdai, playback, capture);
1295 rsnd_parse_connect_mix(rdai, playback, capture);
1296 rsnd_parse_connect_dvc(rdai, playback, capture);
1297
1298 of_node_put(playback);
1299 of_node_put(capture);
1300 }
1301
1302 if (rsnd_ssi_is_pin_sharing(io_capture) ||
1303 rsnd_ssi_is_pin_sharing(io_playback)) {
1304
1305 drv->symmetric_rates = 1;
1306 }
1307
1308 dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
1309 rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ",
1310 rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- ");
1311}
1312
1313static int rsnd_dai_probe(struct rsnd_priv *priv)
1314{
1315 struct device_node *dai_node;
1316 struct device_node *dai_np;
1317 struct snd_soc_dai_driver *rdrv;
1318 struct device *dev = rsnd_priv_to_dev(priv);
1319 struct rsnd_dai *rdai;
1320 int nr;
1321 int is_graph;
1322 int dai_i;
1323
1324 dai_node = rsnd_dai_of_node(priv, &is_graph);
1325 if (is_graph)
1326 nr = of_graph_get_endpoint_count(dai_node);
1327 else
1328 nr = of_get_child_count(dai_node);
1329
1330 if (!nr)
1331 return -EINVAL;
1332
1333 rdrv = devm_kcalloc(dev, nr, sizeof(*rdrv), GFP_KERNEL);
1334 rdai = devm_kcalloc(dev, nr, sizeof(*rdai), GFP_KERNEL);
1335 if (!rdrv || !rdai)
1336 return -ENOMEM;
1337
1338 priv->rdai_nr = nr;
1339 priv->daidrv = rdrv;
1340 priv->rdai = rdai;
1341
1342
1343
1344
1345 dai_i = 0;
1346 if (is_graph) {
1347 for_each_endpoint_of_node(dai_node, dai_np) {
1348 __rsnd_dai_probe(priv, dai_np, dai_i);
1349 if (rsnd_is_gen3(priv)) {
1350 struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1351
1352 rsnd_parse_connect_graph(priv, &rdai->playback, dai_np);
1353 rsnd_parse_connect_graph(priv, &rdai->capture, dai_np);
1354 }
1355 dai_i++;
1356 }
1357 } else {
1358 for_each_child_of_node(dai_node, dai_np) {
1359 __rsnd_dai_probe(priv, dai_np, dai_i);
1360 if (rsnd_is_gen3(priv)) {
1361 struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
1362
1363 rsnd_parse_connect_simple(priv, &rdai->playback, dai_np);
1364 rsnd_parse_connect_simple(priv, &rdai->capture, dai_np);
1365 }
1366 dai_i++;
1367 }
1368 }
1369
1370 return 0;
1371}
1372
1373
1374
1375
1376static int rsnd_hw_params(struct snd_pcm_substream *substream,
1377 struct snd_pcm_hw_params *hw_params)
1378{
1379 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1380 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1381 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1382 struct snd_soc_pcm_runtime *fe = substream->private_data;
1383 int ret;
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394 io->converted_rate = 0;
1395 io->converted_chan = 0;
1396 if (fe->dai_link->dynamic) {
1397 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1398 struct device *dev = rsnd_priv_to_dev(priv);
1399 struct snd_soc_dpcm *dpcm;
1400 struct snd_pcm_hw_params *be_params;
1401 int stream = substream->stream;
1402
1403 for_each_dpcm_be(fe, stream, dpcm) {
1404 be_params = &dpcm->hw_params;
1405 if (params_channels(hw_params) != params_channels(be_params))
1406 io->converted_chan = params_channels(be_params);
1407 if (params_rate(hw_params) != params_rate(be_params))
1408 io->converted_rate = params_rate(be_params);
1409 }
1410 if (io->converted_chan)
1411 dev_dbg(dev, "convert channels = %d\n", io->converted_chan);
1412 if (io->converted_rate)
1413 dev_dbg(dev, "convert rate = %d\n", io->converted_rate);
1414 }
1415
1416 ret = rsnd_dai_call(hw_params, io, substream, hw_params);
1417 if (ret)
1418 return ret;
1419
1420 return snd_pcm_lib_malloc_pages(substream,
1421 params_buffer_bytes(hw_params));
1422}
1423
1424static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream)
1425{
1426 struct snd_soc_dai *dai = rsnd_substream_to_dai(substream);
1427 struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
1428 struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
1429 snd_pcm_uframes_t pointer = 0;
1430
1431 rsnd_dai_call(pointer, io, &pointer);
1432
1433 return pointer;
1434}
1435
1436static const struct snd_pcm_ops rsnd_pcm_ops = {
1437 .ioctl = snd_pcm_lib_ioctl,
1438 .hw_params = rsnd_hw_params,
1439 .hw_free = snd_pcm_lib_free_pages,
1440 .pointer = rsnd_pointer,
1441};
1442
1443
1444
1445
1446static int rsnd_kctrl_info(struct snd_kcontrol *kctrl,
1447 struct snd_ctl_elem_info *uinfo)
1448{
1449 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1450
1451 if (cfg->texts) {
1452 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1453 uinfo->count = cfg->size;
1454 uinfo->value.enumerated.items = cfg->max;
1455 if (uinfo->value.enumerated.item >= cfg->max)
1456 uinfo->value.enumerated.item = cfg->max - 1;
1457 strlcpy(uinfo->value.enumerated.name,
1458 cfg->texts[uinfo->value.enumerated.item],
1459 sizeof(uinfo->value.enumerated.name));
1460 } else {
1461 uinfo->count = cfg->size;
1462 uinfo->value.integer.min = 0;
1463 uinfo->value.integer.max = cfg->max;
1464 uinfo->type = (cfg->max == 1) ?
1465 SNDRV_CTL_ELEM_TYPE_BOOLEAN :
1466 SNDRV_CTL_ELEM_TYPE_INTEGER;
1467 }
1468
1469 return 0;
1470}
1471
1472static int rsnd_kctrl_get(struct snd_kcontrol *kctrl,
1473 struct snd_ctl_elem_value *uc)
1474{
1475 struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl);
1476 int i;
1477
1478 for (i = 0; i < cfg->size; i++)
1479 if (cfg->texts)
1480 uc->value.enumerated.item[i] = cfg->val[i];
1481 else
1482 uc->value.integer.value[i] = cfg->val[i];
1483
1484 return 0;
1485}
1486
1487static int rsnd_kctrl_put(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, change = 0;
1492
1493 if (!cfg->accept(cfg->io))
1494 return 0;
1495
1496 for (i = 0; i < cfg->size; i++) {
1497 if (cfg->texts) {
1498 change |= (uc->value.enumerated.item[i] != cfg->val[i]);
1499 cfg->val[i] = uc->value.enumerated.item[i];
1500 } else {
1501 change |= (uc->value.integer.value[i] != cfg->val[i]);
1502 cfg->val[i] = uc->value.integer.value[i];
1503 }
1504 }
1505
1506 if (change && cfg->update)
1507 cfg->update(cfg->io, cfg->mod);
1508
1509 return change;
1510}
1511
1512int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io)
1513{
1514 return 1;
1515}
1516
1517int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io)
1518{
1519 struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
1520 struct rsnd_priv *priv = rsnd_io_to_priv(io);
1521 struct device *dev = rsnd_priv_to_dev(priv);
1522
1523 if (!runtime) {
1524 dev_warn(dev, "Can't update kctrl when idle\n");
1525 return 0;
1526 }
1527
1528 return 1;
1529}
1530
1531struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg)
1532{
1533 cfg->cfg.val = cfg->val;
1534
1535 return &cfg->cfg;
1536}
1537
1538struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg)
1539{
1540 cfg->cfg.val = &cfg->val;
1541
1542 return &cfg->cfg;
1543}
1544
1545const char * const volume_ramp_rate[] = {
1546 "128 dB/1 step",
1547 "64 dB/1 step",
1548 "32 dB/1 step",
1549 "16 dB/1 step",
1550 "8 dB/1 step",
1551 "4 dB/1 step",
1552 "2 dB/1 step",
1553 "1 dB/1 step",
1554 "0.5 dB/1 step",
1555 "0.25 dB/1 step",
1556 "0.125 dB/1 step",
1557 "0.125 dB/2 steps",
1558 "0.125 dB/4 steps",
1559 "0.125 dB/8 steps",
1560 "0.125 dB/16 steps",
1561 "0.125 dB/32 steps",
1562 "0.125 dB/64 steps",
1563 "0.125 dB/128 steps",
1564 "0.125 dB/256 steps",
1565 "0.125 dB/512 steps",
1566 "0.125 dB/1024 steps",
1567 "0.125 dB/2048 steps",
1568 "0.125 dB/4096 steps",
1569 "0.125 dB/8192 steps",
1570};
1571
1572int rsnd_kctrl_new(struct rsnd_mod *mod,
1573 struct rsnd_dai_stream *io,
1574 struct snd_soc_pcm_runtime *rtd,
1575 const unsigned char *name,
1576 int (*accept)(struct rsnd_dai_stream *io),
1577 void (*update)(struct rsnd_dai_stream *io,
1578 struct rsnd_mod *mod),
1579 struct rsnd_kctrl_cfg *cfg,
1580 const char * const *texts,
1581 int size,
1582 u32 max)
1583{
1584 struct snd_card *card = rtd->card->snd_card;
1585 struct snd_kcontrol *kctrl;
1586 struct snd_kcontrol_new knew = {
1587 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
1588 .name = name,
1589 .info = rsnd_kctrl_info,
1590 .index = rtd->num,
1591 .get = rsnd_kctrl_get,
1592 .put = rsnd_kctrl_put,
1593 };
1594 int ret;
1595
1596
1597
1598
1599
1600
1601 list_for_each_entry(kctrl, &card->controls, list) {
1602 struct rsnd_kctrl_cfg *c = kctrl->private_data;
1603
1604 if (c == cfg)
1605 return 0;
1606 }
1607
1608 if (size > RSND_MAX_CHANNELS)
1609 return -EINVAL;
1610
1611 kctrl = snd_ctl_new1(&knew, cfg);
1612 if (!kctrl)
1613 return -ENOMEM;
1614
1615 ret = snd_ctl_add(card, kctrl);
1616 if (ret < 0)
1617 return ret;
1618
1619 cfg->texts = texts;
1620 cfg->max = max;
1621 cfg->size = size;
1622 cfg->accept = accept;
1623 cfg->update = update;
1624 cfg->card = card;
1625 cfg->kctrl = kctrl;
1626 cfg->io = io;
1627 cfg->mod = mod;
1628
1629 return 0;
1630}
1631
1632
1633
1634
1635static const struct snd_soc_component_driver rsnd_soc_component = {
1636 .ops = &rsnd_pcm_ops,
1637 .name = "rsnd",
1638};
1639
1640static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv,
1641 struct rsnd_dai_stream *io)
1642{
1643 int ret;
1644
1645 ret = rsnd_dai_call(probe, io, priv);
1646 if (ret == -EAGAIN) {
1647 struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
1648 struct rsnd_mod *mod;
1649 int i;
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662 rsnd_dai_call(remove, io, priv);
1663
1664
1665
1666
1667
1668 for_each_rsnd_mod(i, mod, io)
1669 rsnd_dai_disconnect(mod, io, i);
1670 rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI);
1671
1672
1673
1674
1675 rsnd_dai_call(fallback, io, priv);
1676
1677
1678
1679
1680
1681 ret = rsnd_dai_call(probe, io, priv);
1682 }
1683
1684 return ret;
1685}
1686
1687
1688
1689
1690static int rsnd_probe(struct platform_device *pdev)
1691{
1692 struct rsnd_priv *priv;
1693 struct device *dev = &pdev->dev;
1694 struct rsnd_dai *rdai;
1695 int (*probe_func[])(struct rsnd_priv *priv) = {
1696 rsnd_gen_probe,
1697 rsnd_dma_probe,
1698 rsnd_ssi_probe,
1699 rsnd_ssiu_probe,
1700 rsnd_src_probe,
1701 rsnd_ctu_probe,
1702 rsnd_mix_probe,
1703 rsnd_dvc_probe,
1704 rsnd_cmd_probe,
1705 rsnd_adg_probe,
1706 rsnd_dai_probe,
1707 };
1708 int ret, i;
1709
1710
1711
1712
1713 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
1714 if (!priv)
1715 return -ENODEV;
1716
1717 priv->pdev = pdev;
1718 priv->flags = (unsigned long)of_device_get_match_data(dev);
1719 spin_lock_init(&priv->lock);
1720
1721
1722
1723
1724 for (i = 0; i < ARRAY_SIZE(probe_func); i++) {
1725 ret = probe_func[i](priv);
1726 if (ret)
1727 return ret;
1728 }
1729
1730 for_each_rsnd_dai(rdai, priv, i) {
1731 ret = rsnd_rdai_continuance_probe(priv, &rdai->playback);
1732 if (ret)
1733 goto exit_snd_probe;
1734
1735 ret = rsnd_rdai_continuance_probe(priv, &rdai->capture);
1736 if (ret)
1737 goto exit_snd_probe;
1738 }
1739
1740 dev_set_drvdata(dev, priv);
1741
1742
1743
1744
1745 ret = devm_snd_soc_register_component(dev, &rsnd_soc_component,
1746 priv->daidrv, rsnd_rdai_nr(priv));
1747 if (ret < 0) {
1748 dev_err(dev, "cannot snd dai register\n");
1749 goto exit_snd_probe;
1750 }
1751
1752 pm_runtime_enable(dev);
1753
1754 dev_info(dev, "probed\n");
1755 return ret;
1756
1757exit_snd_probe:
1758 for_each_rsnd_dai(rdai, priv, i) {
1759 rsnd_dai_call(remove, &rdai->playback, priv);
1760 rsnd_dai_call(remove, &rdai->capture, priv);
1761 }
1762
1763
1764
1765
1766
1767
1768
1769 rsnd_adg_remove(priv);
1770
1771 return ret;
1772}
1773
1774static int rsnd_remove(struct platform_device *pdev)
1775{
1776 struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev);
1777 struct rsnd_dai *rdai;
1778 void (*remove_func[])(struct rsnd_priv *priv) = {
1779 rsnd_ssi_remove,
1780 rsnd_ssiu_remove,
1781 rsnd_src_remove,
1782 rsnd_ctu_remove,
1783 rsnd_mix_remove,
1784 rsnd_dvc_remove,
1785 rsnd_cmd_remove,
1786 rsnd_adg_remove,
1787 };
1788 int ret = 0, i;
1789
1790 snd_soc_disconnect_sync(&pdev->dev);
1791
1792 pm_runtime_disable(&pdev->dev);
1793
1794 for_each_rsnd_dai(rdai, priv, i) {
1795 ret |= rsnd_dai_call(remove, &rdai->playback, priv);
1796 ret |= rsnd_dai_call(remove, &rdai->capture, priv);
1797 }
1798
1799 for (i = 0; i < ARRAY_SIZE(remove_func); i++)
1800 remove_func[i](priv);
1801
1802 return ret;
1803}
1804
1805static int __maybe_unused rsnd_suspend(struct device *dev)
1806{
1807 struct rsnd_priv *priv = dev_get_drvdata(dev);
1808
1809 rsnd_adg_clk_disable(priv);
1810
1811 return 0;
1812}
1813
1814static int __maybe_unused rsnd_resume(struct device *dev)
1815{
1816 struct rsnd_priv *priv = dev_get_drvdata(dev);
1817
1818 rsnd_adg_clk_enable(priv);
1819
1820 return 0;
1821}
1822
1823static const struct dev_pm_ops rsnd_pm_ops = {
1824 SET_SYSTEM_SLEEP_PM_OPS(rsnd_suspend, rsnd_resume)
1825};
1826
1827static struct platform_driver rsnd_driver = {
1828 .driver = {
1829 .name = "rcar_sound",
1830 .pm = &rsnd_pm_ops,
1831 .of_match_table = rsnd_of_match,
1832 },
1833 .probe = rsnd_probe,
1834 .remove = rsnd_remove,
1835};
1836module_platform_driver(rsnd_driver);
1837
1838MODULE_LICENSE("GPL v2");
1839MODULE_DESCRIPTION("Renesas R-Car audio driver");
1840MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
1841MODULE_ALIAS("platform:rcar-pcm-audio");
1842
