Commit | Line | Data |
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1536a968 KM |
1 | /* |
2 | * Renesas R-Car SRU/SCU/SSIU/SSI support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * Based on fsi.c | |
8 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | /* | |
16 | * Renesas R-Car sound device structure | |
17 | * | |
18 | * Gen1 | |
19 | * | |
20 | * SRU : Sound Routing Unit | |
21 | * - SRC : Sampling Rate Converter | |
22 | * - CMD | |
23 | * - CTU : Channel Count Conversion Unit | |
24 | * - MIX : Mixer | |
25 | * - DVC : Digital Volume and Mute Function | |
26 | * - SSI : Serial Sound Interface | |
27 | * | |
28 | * Gen2 | |
29 | * | |
30 | * SCU : Sampling Rate Converter Unit | |
31 | * - SRC : Sampling Rate Converter | |
32 | * - CMD | |
33 | * - CTU : Channel Count Conversion Unit | |
34 | * - MIX : Mixer | |
35 | * - DVC : Digital Volume and Mute Function | |
36 | * SSIU : Serial Sound Interface Unit | |
37 | * - SSI : Serial Sound Interface | |
38 | */ | |
39 | ||
40 | /* | |
41 | * driver data Image | |
42 | * | |
43 | * rsnd_priv | |
44 | * | | |
45 | * | ** this depends on Gen1/Gen2 | |
46 | * | | |
47 | * +- gen | |
48 | * | | |
49 | * | ** these depend on data path | |
50 | * | ** gen and platform data control it | |
51 | * | | |
52 | * +- rdai[0] | |
53 | * | | sru ssiu ssi | |
54 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
55 | * | | | |
56 | * | | sru ssiu ssi | |
57 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
58 | * | | |
59 | * +- rdai[1] | |
60 | * | | sru ssiu ssi | |
61 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
62 | * | | | |
63 | * | | sru ssiu ssi | |
64 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
65 | * ... | |
66 | * | | |
67 | * | ** these control ssi | |
68 | * | | |
69 | * +- ssi | |
70 | * | | | |
71 | * | +- ssi[0] | |
72 | * | +- ssi[1] | |
73 | * | +- ssi[2] | |
74 | * | ... | |
75 | * | | |
ba9c949f | 76 | * | ** these control src |
1536a968 | 77 | * | |
ba9c949f | 78 | * +- src |
1536a968 | 79 | * | |
ba9c949f KM |
80 | * +- src[0] |
81 | * +- src[1] | |
82 | * +- src[2] | |
1536a968 KM |
83 | * ... |
84 | * | |
85 | * | |
86 | * for_each_rsnd_dai(xx, priv, xx) | |
87 | * rdai[0] => rdai[1] => rdai[2] => ... | |
88 | * | |
89 | * for_each_rsnd_mod(xx, rdai, xx) | |
90 | * [mod] => [mod] => [mod] => ... | |
91 | * | |
92 | * rsnd_dai_call(xxx, fn ) | |
93 | * [mod]->fn() -> [mod]->fn() -> [mod]->fn()... | |
94 | * | |
95 | */ | |
96 | #include <linux/pm_runtime.h> | |
97 | #include "rsnd.h" | |
98 | ||
99 | #define RSND_RATES SNDRV_PCM_RATE_8000_96000 | |
100 | #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) | |
101 | ||
969b8619 | 102 | static const struct rsnd_of_data rsnd_of_data_gen1 = { |
90e8e50f KM |
103 | .flags = RSND_GEN1, |
104 | }; | |
105 | ||
969b8619 | 106 | static const struct rsnd_of_data rsnd_of_data_gen2 = { |
90e8e50f KM |
107 | .flags = RSND_GEN2, |
108 | }; | |
109 | ||
33187fb4 | 110 | static const struct of_device_id rsnd_of_match[] = { |
90e8e50f KM |
111 | { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 }, |
112 | { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 }, | |
113 | {}, | |
114 | }; | |
115 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
116 | ||
1536a968 KM |
117 | /* |
118 | * rsnd_platform functions | |
119 | */ | |
120 | #define rsnd_platform_call(priv, dai, func, param...) \ | |
740ad6c3 | 121 | (!(priv->info->func) ? 0 : \ |
1536a968 KM |
122 | priv->info->func(param)) |
123 | ||
389933d9 KM |
124 | #define rsnd_is_enable_path(io, name) \ |
125 | ((io)->info ? (io)->info->name : NULL) | |
126 | #define rsnd_info_id(priv, io, name) \ | |
127 | ((io)->info->name - priv->info->name##_info) | |
128 | ||
cdaa3cdf KM |
129 | /* |
130 | * rsnd_mod functions | |
131 | */ | |
132 | char *rsnd_mod_name(struct rsnd_mod *mod) | |
133 | { | |
134 | if (!mod || !mod->ops) | |
135 | return "unknown"; | |
136 | ||
137 | return mod->ops->name; | |
138 | } | |
139 | ||
72adc61f | 140 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_mod *mod) |
d9288d0b | 141 | { |
72adc61f KM |
142 | if (!mod || !mod->ops || !mod->ops->dma_req) |
143 | return NULL; | |
d9288d0b | 144 | |
72adc61f | 145 | return mod->ops->dma_req(mod); |
d9288d0b KM |
146 | } |
147 | ||
2f78dd7f | 148 | int rsnd_mod_init(struct rsnd_mod *mod, |
cdaa3cdf | 149 | struct rsnd_mod_ops *ops, |
85642952 | 150 | struct clk *clk, |
a126021d | 151 | enum rsnd_mod_type type, |
cdaa3cdf KM |
152 | int id) |
153 | { | |
2f78dd7f KM |
154 | int ret = clk_prepare(clk); |
155 | ||
156 | if (ret) | |
157 | return ret; | |
158 | ||
cdaa3cdf KM |
159 | mod->id = id; |
160 | mod->ops = ops; | |
a126021d | 161 | mod->type = type; |
85642952 | 162 | mod->clk = clk; |
2f78dd7f KM |
163 | |
164 | return ret; | |
165 | } | |
166 | ||
167 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
168 | { | |
169 | if (mod->clk) | |
170 | clk_unprepare(mod->clk); | |
cdaa3cdf KM |
171 | } |
172 | ||
02299d98 KM |
173 | int rsnd_mod_is_working(struct rsnd_mod *mod) |
174 | { | |
175 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); | |
176 | ||
177 | /* see rsnd_dai_stream_init/quit() */ | |
178 | return !!io->substream; | |
179 | } | |
180 | ||
d7bdbc5d KM |
181 | /* |
182 | * settting function | |
183 | */ | |
184 | u32 rsnd_get_adinr(struct rsnd_mod *mod) | |
185 | { | |
186 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
187 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); | |
188 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
189 | struct device *dev = rsnd_priv_to_dev(priv); | |
190 | u32 adinr = runtime->channels; | |
191 | ||
192 | switch (runtime->sample_bits) { | |
193 | case 16: | |
194 | adinr |= (8 << 16); | |
195 | break; | |
196 | case 32: | |
197 | adinr |= (0 << 16); | |
198 | break; | |
199 | default: | |
200 | dev_warn(dev, "not supported sample bits\n"); | |
201 | return 0; | |
202 | } | |
203 | ||
204 | return adinr; | |
205 | } | |
206 | ||
1536a968 KM |
207 | /* |
208 | * rsnd_dai functions | |
209 | */ | |
690602fc | 210 | #define __rsnd_mod_call(mod, func, param...) \ |
d870a91e KM |
211 | ({ \ |
212 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
213 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
3b7843ff | 214 | u32 mask = (1 << __rsnd_mod_shift_##func) & ~(1 << 31); \ |
417f9642 KM |
215 | u32 call = __rsnd_mod_call_##func << __rsnd_mod_shift_##func; \ |
216 | int ret = 0; \ | |
217 | if ((mod->status & mask) == call) { \ | |
218 | dev_dbg(dev, "%s[%d] %s\n", \ | |
219 | rsnd_mod_name(mod), rsnd_mod_id(mod), #func); \ | |
690602fc | 220 | ret = (mod)->ops->func(mod, param); \ |
417f9642 KM |
221 | mod->status = (mod->status & ~mask) | (~call & mask); \ |
222 | } \ | |
223 | ret; \ | |
d870a91e KM |
224 | }) |
225 | ||
690602fc | 226 | #define rsnd_mod_call(mod, func, param...) \ |
d870a91e KM |
227 | (!(mod) ? -ENODEV : \ |
228 | !((mod)->ops->func) ? 0 : \ | |
690602fc | 229 | __rsnd_mod_call(mod, func, param)) |
d870a91e | 230 | |
690602fc | 231 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 232 | ({ \ |
a126021d KM |
233 | struct rsnd_mod *mod; \ |
234 | int ret = 0, i; \ | |
235 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
236 | mod = (io)->mod[i]; \ | |
237 | if (!mod) \ | |
238 | continue; \ | |
690602fc | 239 | ret = rsnd_mod_call(mod, fn, param); \ |
d870a91e KM |
240 | if (ret < 0) \ |
241 | break; \ | |
242 | } \ | |
243 | ret; \ | |
cdaa3cdf KM |
244 | }) |
245 | ||
a126021d | 246 | static int rsnd_dai_connect(struct rsnd_mod *mod, |
9bfed6cf | 247 | struct rsnd_dai_stream *io) |
cdaa3cdf | 248 | { |
6020779b | 249 | if (!mod) |
cdaa3cdf | 250 | return -EIO; |
cdaa3cdf | 251 | |
a126021d | 252 | if (io->mod[mod->type]) { |
6020779b KM |
253 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
254 | struct device *dev = rsnd_priv_to_dev(priv); | |
255 | ||
072bd1e7 | 256 | dev_err(dev, "%s[%d] is not empty\n", |
cdaa3cdf KM |
257 | rsnd_mod_name(mod), |
258 | rsnd_mod_id(mod)); | |
259 | return -EIO; | |
260 | } | |
261 | ||
a126021d | 262 | io->mod[mod->type] = mod; |
4686a0ad | 263 | mod->io = io; |
cdaa3cdf KM |
264 | |
265 | return 0; | |
266 | } | |
267 | ||
d3a76823 KM |
268 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
269 | struct rsnd_dai_stream *io) | |
270 | { | |
271 | mod->io = NULL; | |
272 | io->mod[mod->type] = NULL; | |
273 | } | |
274 | ||
710d0889 | 275 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 276 | { |
ecba9e72 | 277 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
278 | return NULL; |
279 | ||
1536a968 KM |
280 | return priv->rdai + id; |
281 | } | |
282 | ||
eb2535f5 | 283 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
284 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
285 | { | |
eb2535f5 | 286 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 287 | |
710d0889 | 288 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
289 | } |
290 | ||
1536a968 KM |
291 | /* |
292 | * rsnd_soc_dai functions | |
293 | */ | |
294 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
295 | { | |
296 | struct snd_pcm_substream *substream = io->substream; | |
297 | struct snd_pcm_runtime *runtime = substream->runtime; | |
298 | int pos = io->byte_pos + additional; | |
299 | ||
300 | pos %= (runtime->periods * io->byte_per_period); | |
301 | ||
302 | return pos; | |
303 | } | |
304 | ||
305 | void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) | |
306 | { | |
307 | io->byte_pos += byte; | |
308 | ||
309 | if (io->byte_pos >= io->next_period_byte) { | |
310 | struct snd_pcm_substream *substream = io->substream; | |
311 | struct snd_pcm_runtime *runtime = substream->runtime; | |
312 | ||
313 | io->period_pos++; | |
314 | io->next_period_byte += io->byte_per_period; | |
315 | ||
316 | if (io->period_pos >= runtime->periods) { | |
317 | io->byte_pos = 0; | |
318 | io->period_pos = 0; | |
319 | io->next_period_byte = io->byte_per_period; | |
320 | } | |
321 | ||
322 | snd_pcm_period_elapsed(substream); | |
323 | } | |
324 | } | |
325 | ||
5626ad08 | 326 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
327 | struct snd_pcm_substream *substream) |
328 | { | |
329 | struct snd_pcm_runtime *runtime = substream->runtime; | |
330 | ||
1536a968 KM |
331 | io->substream = substream; |
332 | io->byte_pos = 0; | |
333 | io->period_pos = 0; | |
334 | io->byte_per_period = runtime->period_size * | |
335 | runtime->channels * | |
336 | samples_to_bytes(runtime, 1); | |
337 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 338 | } |
1536a968 | 339 | |
5626ad08 KM |
340 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
341 | { | |
342 | io->substream = NULL; | |
1536a968 KM |
343 | } |
344 | ||
345 | static | |
346 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
347 | { | |
348 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
349 | ||
350 | return rtd->cpu_dai; | |
351 | } | |
352 | ||
353 | static | |
354 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
355 | struct snd_pcm_substream *substream) | |
356 | { | |
357 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
358 | return &rdai->playback; | |
359 | else | |
360 | return &rdai->capture; | |
361 | } | |
362 | ||
363 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
364 | struct snd_soc_dai *dai) | |
365 | { | |
eb2535f5 | 366 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
367 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
368 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 369 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
370 | int ret; |
371 | unsigned long flags; | |
372 | ||
02299d98 | 373 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
374 | |
375 | switch (cmd) { | |
376 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 377 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
378 | |
379 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
380 | if (ret < 0) | |
381 | goto dai_trigger_end; | |
382 | ||
690602fc | 383 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
384 | if (ret < 0) |
385 | goto dai_trigger_end; | |
386 | ||
690602fc | 387 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
388 | if (ret < 0) |
389 | goto dai_trigger_end; | |
1536a968 KM |
390 | break; |
391 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 392 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf KM |
393 | if (ret < 0) |
394 | goto dai_trigger_end; | |
395 | ||
690602fc | 396 | ret = rsnd_dai_call(quit, io, priv); |
cdaa3cdf KM |
397 | if (ret < 0) |
398 | goto dai_trigger_end; | |
399 | ||
3337744a KM |
400 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
401 | if (ret < 0) | |
402 | goto dai_trigger_end; | |
5626ad08 KM |
403 | |
404 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
405 | break; |
406 | default: | |
407 | ret = -EINVAL; | |
408 | } | |
409 | ||
410 | dai_trigger_end: | |
02299d98 | 411 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
412 | |
413 | return ret; | |
414 | } | |
415 | ||
416 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
417 | { | |
418 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
419 | ||
420 | /* set master/slave audio interface */ | |
421 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
422 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 423 | rdai->clk_master = 0; |
1536a968 KM |
424 | break; |
425 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 426 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
427 | break; |
428 | default: | |
429 | return -EINVAL; | |
430 | } | |
431 | ||
1536a968 KM |
432 | /* set format */ |
433 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
434 | case SND_SOC_DAIFMT_I2S: | |
435 | rdai->sys_delay = 0; | |
436 | rdai->data_alignment = 0; | |
1a7889ca | 437 | rdai->frm_clk_inv = 0; |
1536a968 KM |
438 | break; |
439 | case SND_SOC_DAIFMT_LEFT_J: | |
440 | rdai->sys_delay = 1; | |
441 | rdai->data_alignment = 0; | |
1a7889ca | 442 | rdai->frm_clk_inv = 1; |
1536a968 KM |
443 | break; |
444 | case SND_SOC_DAIFMT_RIGHT_J: | |
445 | rdai->sys_delay = 1; | |
446 | rdai->data_alignment = 1; | |
1a7889ca KM |
447 | rdai->frm_clk_inv = 1; |
448 | break; | |
449 | } | |
450 | ||
451 | /* set clock inversion */ | |
452 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
453 | case SND_SOC_DAIFMT_NB_IF: | |
454 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
455 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
456 | break; | |
457 | case SND_SOC_DAIFMT_IB_NF: | |
458 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
459 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
460 | break; | |
461 | case SND_SOC_DAIFMT_IB_IF: | |
462 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
463 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
464 | break; | |
465 | case SND_SOC_DAIFMT_NB_NF: | |
466 | default: | |
1536a968 KM |
467 | break; |
468 | } | |
469 | ||
470 | return 0; | |
471 | } | |
472 | ||
473 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
474 | .trigger = rsnd_soc_dai_trigger, | |
475 | .set_fmt = rsnd_soc_dai_set_fmt, | |
476 | }; | |
477 | ||
739f9502 KM |
478 | #define rsnd_path_parse(priv, io, type) \ |
479 | ({ \ | |
480 | struct rsnd_mod *mod; \ | |
481 | int ret = 0; \ | |
482 | int id = -1; \ | |
483 | \ | |
484 | if (rsnd_is_enable_path(io, type)) { \ | |
485 | id = rsnd_info_id(priv, io, type); \ | |
486 | if (id >= 0) { \ | |
487 | mod = rsnd_##type##_mod_get(priv, id); \ | |
488 | ret = rsnd_dai_connect(mod, io); \ | |
489 | } \ | |
490 | } \ | |
491 | ret; \ | |
492 | }) | |
493 | ||
d3a76823 KM |
494 | #define rsnd_path_break(priv, io, type) \ |
495 | { \ | |
496 | struct rsnd_mod *mod; \ | |
497 | int id = -1; \ | |
498 | \ | |
499 | if (rsnd_is_enable_path(io, type)) { \ | |
500 | id = rsnd_info_id(priv, io, type); \ | |
501 | if (id >= 0) { \ | |
502 | mod = rsnd_##type##_mod_get(priv, id); \ | |
503 | rsnd_dai_disconnect(mod, io); \ | |
504 | } \ | |
505 | } \ | |
506 | } | |
507 | ||
9bfed6cf KM |
508 | static int rsnd_path_init(struct rsnd_priv *priv, |
509 | struct rsnd_dai *rdai, | |
510 | struct rsnd_dai_stream *io) | |
511 | { | |
9bfed6cf | 512 | int ret; |
9bfed6cf KM |
513 | |
514 | /* | |
515 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
516 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
517 | * | |
518 | * Easy image is.. | |
519 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
520 | * | |
521 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
522 | * using fixed path. | |
9bfed6cf | 523 | */ |
9bfed6cf | 524 | |
ba9c949f | 525 | /* SRC */ |
739f9502 KM |
526 | ret = rsnd_path_parse(priv, io, src); |
527 | if (ret < 0) | |
528 | return ret; | |
9bfed6cf KM |
529 | |
530 | /* SSI */ | |
739f9502 KM |
531 | ret = rsnd_path_parse(priv, io, ssi); |
532 | if (ret < 0) | |
533 | return ret; | |
9bfed6cf | 534 | |
bff58ea4 KM |
535 | /* DVC */ |
536 | ret = rsnd_path_parse(priv, io, dvc); | |
537 | if (ret < 0) | |
538 | return ret; | |
9bfed6cf KM |
539 | |
540 | return ret; | |
541 | } | |
542 | ||
90e8e50f KM |
543 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
544 | const struct rsnd_of_data *of_data, | |
545 | struct rsnd_priv *priv) | |
546 | { | |
547 | struct device_node *dai_node, *dai_np; | |
548 | struct device_node *ssi_node, *ssi_np; | |
549 | struct device_node *src_node, *src_np; | |
34cb6123 | 550 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
551 | struct device_node *playback, *capture; |
552 | struct rsnd_dai_platform_info *dai_info; | |
553 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
554 | struct device *dev = &pdev->dev; | |
555 | int nr, i; | |
34cb6123 | 556 | int dai_i, ssi_i, src_i, dvc_i; |
90e8e50f KM |
557 | |
558 | if (!of_data) | |
559 | return; | |
560 | ||
561 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
562 | if (!dai_node) | |
563 | return; | |
564 | ||
565 | nr = of_get_child_count(dai_node); | |
566 | if (!nr) | |
567 | return; | |
568 | ||
569 | dai_info = devm_kzalloc(dev, | |
570 | sizeof(struct rsnd_dai_platform_info) * nr, | |
571 | GFP_KERNEL); | |
572 | if (!dai_info) { | |
573 | dev_err(dev, "dai info allocation error\n"); | |
574 | return; | |
575 | } | |
576 | ||
577 | info->dai_info_nr = nr; | |
578 | info->dai_info = dai_info; | |
579 | ||
580 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
581 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
34cb6123 | 582 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
583 | |
584 | #define mod_parse(name) \ | |
585 | if (name##_node) { \ | |
586 | struct rsnd_##name##_platform_info *name##_info; \ | |
587 | \ | |
588 | name##_i = 0; \ | |
589 | for_each_child_of_node(name##_node, name##_np) { \ | |
590 | name##_info = info->name##_info + name##_i; \ | |
591 | \ | |
592 | if (name##_np == playback) \ | |
593 | dai_info->playback.name = name##_info; \ | |
594 | if (name##_np == capture) \ | |
595 | dai_info->capture.name = name##_info; \ | |
596 | \ | |
597 | name##_i++; \ | |
598 | } \ | |
599 | } | |
600 | ||
601 | /* | |
602 | * parse all dai | |
603 | */ | |
604 | dai_i = 0; | |
605 | for_each_child_of_node(dai_node, dai_np) { | |
606 | dai_info = info->dai_info + dai_i; | |
607 | ||
608 | for (i = 0;; i++) { | |
609 | ||
610 | playback = of_parse_phandle(dai_np, "playback", i); | |
611 | capture = of_parse_phandle(dai_np, "capture", i); | |
612 | ||
613 | if (!playback && !capture) | |
614 | break; | |
615 | ||
616 | mod_parse(ssi); | |
617 | mod_parse(src); | |
34cb6123 | 618 | mod_parse(dvc); |
90e8e50f | 619 | |
a493b6a6 JL |
620 | of_node_put(playback); |
621 | of_node_put(capture); | |
90e8e50f KM |
622 | } |
623 | ||
624 | dai_i++; | |
625 | } | |
626 | } | |
627 | ||
1536a968 | 628 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 629 | const struct rsnd_of_data *of_data, |
1536a968 KM |
630 | struct rsnd_priv *priv) |
631 | { | |
632 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 633 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 634 | struct rsnd_dai *rdai; |
29e69fd2 | 635 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 636 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 637 | int dai_nr; |
4b4dab82 KM |
638 | int i; |
639 | ||
90e8e50f KM |
640 | rsnd_of_parse_dai(pdev, of_data, priv); |
641 | ||
90e8e50f | 642 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
643 | if (!dai_nr) { |
644 | dev_err(dev, "no dai\n"); | |
645 | return -EIO; | |
646 | } | |
1536a968 KM |
647 | |
648 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
649 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
650 | if (!drv || !rdai) { | |
651 | dev_err(dev, "dai allocate failed\n"); | |
652 | return -ENOMEM; | |
653 | } | |
654 | ||
ecba9e72 | 655 | priv->rdai_nr = dai_nr; |
49848073 KM |
656 | priv->daidrv = drv; |
657 | priv->rdai = rdai; | |
658 | ||
1536a968 | 659 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 660 | |
7c57d76f KM |
661 | pmod = info->dai_info[i].playback.ssi; |
662 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
663 | |
664 | /* | |
665 | * init rsnd_dai | |
666 | */ | |
1536a968 | 667 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 668 | rdai[i].priv = priv; |
1536a968 KM |
669 | |
670 | /* | |
671 | * init snd_soc_dai_driver | |
672 | */ | |
673 | drv[i].name = rdai[i].name; | |
674 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 675 | if (pmod) { |
f8c3c309 KM |
676 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
677 | "DAI%d Playback", i); | |
678 | ||
1536a968 KM |
679 | drv[i].playback.rates = RSND_RATES; |
680 | drv[i].playback.formats = RSND_FMTS; | |
681 | drv[i].playback.channels_min = 2; | |
682 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 683 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 684 | |
29e69fd2 | 685 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 686 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 687 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 688 | } |
4b4dab82 | 689 | if (cmod) { |
f8c3c309 KM |
690 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
691 | "DAI%d Capture", i); | |
692 | ||
1536a968 KM |
693 | drv[i].capture.rates = RSND_RATES; |
694 | drv[i].capture.formats = RSND_FMTS; | |
695 | drv[i].capture.channels_min = 2; | |
696 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 697 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 698 | |
29e69fd2 | 699 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 700 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 701 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
702 | } |
703 | ||
4b4dab82 KM |
704 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
705 | pmod ? "play" : " -- ", | |
706 | cmod ? "capture" : " -- "); | |
1536a968 KM |
707 | } |
708 | ||
1536a968 KM |
709 | return 0; |
710 | } | |
711 | ||
1536a968 KM |
712 | /* |
713 | * pcm ops | |
714 | */ | |
715 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
716 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
717 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 718 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
719 | .buffer_bytes_max = 64 * 1024, |
720 | .period_bytes_min = 32, | |
721 | .period_bytes_max = 8192, | |
722 | .periods_min = 1, | |
723 | .periods_max = 32, | |
724 | .fifo_size = 256, | |
725 | }; | |
726 | ||
727 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
728 | { | |
729 | struct snd_pcm_runtime *runtime = substream->runtime; | |
730 | int ret = 0; | |
731 | ||
732 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
733 | ||
734 | ret = snd_pcm_hw_constraint_integer(runtime, | |
735 | SNDRV_PCM_HW_PARAM_PERIODS); | |
736 | ||
737 | return ret; | |
738 | } | |
739 | ||
740 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
741 | struct snd_pcm_hw_params *hw_params) | |
742 | { | |
3b7843ff KM |
743 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
744 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
745 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
746 | int ret; | |
747 | ||
748 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
749 | if (ret) | |
750 | return ret; | |
751 | ||
1536a968 KM |
752 | return snd_pcm_lib_malloc_pages(substream, |
753 | params_buffer_bytes(hw_params)); | |
754 | } | |
755 | ||
756 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
757 | { | |
758 | struct snd_pcm_runtime *runtime = substream->runtime; | |
759 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
760 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
761 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
762 | ||
763 | return bytes_to_frames(runtime, io->byte_pos); | |
764 | } | |
765 | ||
766 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
767 | .open = rsnd_pcm_open, | |
768 | .ioctl = snd_pcm_lib_ioctl, | |
769 | .hw_params = rsnd_hw_params, | |
770 | .hw_free = snd_pcm_lib_free_pages, | |
771 | .pointer = rsnd_pointer, | |
772 | }; | |
773 | ||
170a2497 KM |
774 | /* |
775 | * snd_kcontrol | |
776 | */ | |
777 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
778 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
779 | struct snd_ctl_elem_info *uinfo) | |
780 | { | |
781 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
782 | ||
783 | if (cfg->texts) { | |
784 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
785 | uinfo->count = cfg->size; | |
786 | uinfo->value.enumerated.items = cfg->max; | |
787 | if (uinfo->value.enumerated.item >= cfg->max) | |
788 | uinfo->value.enumerated.item = cfg->max - 1; | |
789 | strlcpy(uinfo->value.enumerated.name, | |
790 | cfg->texts[uinfo->value.enumerated.item], | |
791 | sizeof(uinfo->value.enumerated.name)); | |
792 | } else { | |
793 | uinfo->count = cfg->size; | |
794 | uinfo->value.integer.min = 0; | |
795 | uinfo->value.integer.max = cfg->max; | |
796 | uinfo->type = (cfg->max == 1) ? | |
797 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
798 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
799 | } | |
800 | ||
801 | return 0; | |
802 | } | |
803 | ||
804 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
805 | struct snd_ctl_elem_value *uc) | |
806 | { | |
807 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
808 | int i; | |
809 | ||
810 | for (i = 0; i < cfg->size; i++) | |
811 | if (cfg->texts) | |
812 | uc->value.enumerated.item[i] = cfg->val[i]; | |
813 | else | |
814 | uc->value.integer.value[i] = cfg->val[i]; | |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
819 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
820 | struct snd_ctl_elem_value *uc) | |
821 | { | |
822 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
823 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
824 | int i, change = 0; | |
825 | ||
826 | for (i = 0; i < cfg->size; i++) { | |
827 | if (cfg->texts) { | |
828 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
829 | cfg->val[i] = uc->value.enumerated.item[i]; | |
830 | } else { | |
831 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
832 | cfg->val[i] = uc->value.integer.value[i]; | |
833 | } | |
834 | } | |
835 | ||
836 | if (change) | |
837 | cfg->update(mod); | |
838 | ||
839 | return change; | |
840 | } | |
841 | ||
842 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
170a2497 KM |
843 | struct snd_soc_pcm_runtime *rtd, |
844 | const unsigned char *name, | |
845 | struct rsnd_kctrl_cfg *cfg, | |
846 | void (*update)(struct rsnd_mod *mod)) | |
847 | { | |
da620d72 | 848 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
849 | struct snd_card *card = rtd->card->snd_card; |
850 | struct snd_kcontrol *kctrl; | |
851 | struct snd_kcontrol_new knew = { | |
852 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
853 | .name = name, | |
854 | .info = rsnd_kctrl_info, | |
da620d72 | 855 | .index = rtd - soc_card->rtd, |
170a2497 KM |
856 | .get = rsnd_kctrl_get, |
857 | .put = rsnd_kctrl_put, | |
858 | .private_value = (unsigned long)cfg, | |
859 | }; | |
860 | int ret; | |
861 | ||
862 | kctrl = snd_ctl_new1(&knew, mod); | |
863 | if (!kctrl) | |
864 | return -ENOMEM; | |
865 | ||
866 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
867 | if (ret < 0) { |
868 | snd_ctl_free_one(kctrl); | |
170a2497 | 869 | return ret; |
d1f83d6e | 870 | } |
170a2497 KM |
871 | |
872 | cfg->update = update; | |
d1f83d6e KM |
873 | cfg->card = card; |
874 | cfg->kctrl = kctrl; | |
170a2497 KM |
875 | |
876 | return 0; | |
877 | } | |
878 | ||
d1f83d6e KM |
879 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
880 | { | |
881 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
882 | } | |
883 | ||
170a2497 | 884 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
170a2497 KM |
885 | struct snd_soc_pcm_runtime *rtd, |
886 | const unsigned char *name, | |
887 | void (*update)(struct rsnd_mod *mod), | |
888 | struct rsnd_kctrl_cfg_m *_cfg, | |
889 | u32 max) | |
890 | { | |
891 | _cfg->cfg.max = max; | |
892 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
893 | _cfg->cfg.val = _cfg->val; | |
f708d944 | 894 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
895 | } |
896 | ||
897 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
170a2497 KM |
898 | struct snd_soc_pcm_runtime *rtd, |
899 | const unsigned char *name, | |
900 | void (*update)(struct rsnd_mod *mod), | |
901 | struct rsnd_kctrl_cfg_s *_cfg, | |
902 | u32 max) | |
903 | { | |
904 | _cfg->cfg.max = max; | |
905 | _cfg->cfg.size = 1; | |
906 | _cfg->cfg.val = &_cfg->val; | |
f708d944 | 907 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
908 | } |
909 | ||
910 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
170a2497 KM |
911 | struct snd_soc_pcm_runtime *rtd, |
912 | const unsigned char *name, | |
913 | struct rsnd_kctrl_cfg_s *_cfg, | |
914 | void (*update)(struct rsnd_mod *mod), | |
915 | const char * const *texts, | |
916 | u32 max) | |
917 | { | |
918 | _cfg->cfg.max = max; | |
919 | _cfg->cfg.size = 1; | |
920 | _cfg->cfg.val = &_cfg->val; | |
921 | _cfg->cfg.texts = texts; | |
f708d944 | 922 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
923 | } |
924 | ||
1536a968 KM |
925 | /* |
926 | * snd_soc_platform | |
927 | */ | |
928 | ||
929 | #define PREALLOC_BUFFER (32 * 1024) | |
930 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
931 | ||
932 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
933 | { | |
7c63f3c0 KM |
934 | struct snd_soc_dai *dai = rtd->cpu_dai; |
935 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 936 | int ret; |
bff58ea4 | 937 | |
ae11a9be KM |
938 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
939 | if (ret) | |
940 | return ret; | |
bff58ea4 | 941 | |
ae11a9be | 942 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
943 | if (ret) |
944 | return ret; | |
bff58ea4 | 945 | |
1536a968 KM |
946 | return snd_pcm_lib_preallocate_pages_for_all( |
947 | rtd->pcm, | |
948 | SNDRV_DMA_TYPE_DEV, | |
949 | rtd->card->snd_card->dev, | |
950 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
951 | } | |
952 | ||
1536a968 KM |
953 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
954 | .ops = &rsnd_pcm_ops, | |
955 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
956 | }; |
957 | ||
958 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
959 | .name = "rsnd", | |
960 | }; | |
961 | ||
d3a76823 | 962 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 963 | struct rsnd_dai_stream *io) |
d3a76823 | 964 | { |
d3a76823 KM |
965 | int ret; |
966 | ||
690602fc | 967 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
968 | if (ret == -EAGAIN) { |
969 | /* | |
970 | * Fallback to PIO mode | |
971 | */ | |
972 | ||
973 | /* | |
974 | * call "remove" for SSI/SRC/DVC | |
975 | * SSI will be switch to PIO mode if it was DMA mode | |
976 | * see | |
977 | * rsnd_dma_init() | |
97463e19 | 978 | * rsnd_ssi_fallback() |
d3a76823 | 979 | */ |
690602fc | 980 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
981 | |
982 | /* | |
983 | * remove SRC/DVC from DAI, | |
984 | */ | |
985 | rsnd_path_break(priv, io, src); | |
986 | rsnd_path_break(priv, io, dvc); | |
987 | ||
97463e19 KM |
988 | /* |
989 | * fallback | |
990 | */ | |
690602fc | 991 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 992 | |
d3a76823 KM |
993 | /* |
994 | * retry to "probe". | |
995 | * DAI has SSI which is PIO mode only now. | |
996 | */ | |
690602fc | 997 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
998 | } |
999 | ||
1000 | return ret; | |
1001 | } | |
1002 | ||
1536a968 KM |
1003 | /* |
1004 | * rsnd probe | |
1005 | */ | |
1006 | static int rsnd_probe(struct platform_device *pdev) | |
1007 | { | |
1008 | struct rcar_snd_info *info; | |
1009 | struct rsnd_priv *priv; | |
1010 | struct device *dev = &pdev->dev; | |
7681f6ac | 1011 | struct rsnd_dai *rdai; |
90e8e50f KM |
1012 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1013 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1014 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1015 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1016 | struct rsnd_priv *priv) = { |
1017 | rsnd_gen_probe, | |
288f392e | 1018 | rsnd_dma_probe, |
d1ac970f | 1019 | rsnd_ssi_probe, |
ba9c949f | 1020 | rsnd_src_probe, |
bff58ea4 | 1021 | rsnd_dvc_probe, |
d1ac970f KM |
1022 | rsnd_adg_probe, |
1023 | rsnd_dai_probe, | |
1024 | }; | |
1025 | int ret, i; | |
1536a968 | 1026 | |
90e8e50f KM |
1027 | info = NULL; |
1028 | of_data = NULL; | |
1029 | if (of_id) { | |
1030 | info = devm_kzalloc(&pdev->dev, | |
1031 | sizeof(struct rcar_snd_info), GFP_KERNEL); | |
1032 | of_data = of_id->data; | |
1033 | } else { | |
1034 | info = pdev->dev.platform_data; | |
1035 | } | |
1036 | ||
1536a968 KM |
1037 | if (!info) { |
1038 | dev_err(dev, "driver needs R-Car sound information\n"); | |
1039 | return -ENODEV; | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * init priv data | |
1044 | */ | |
1045 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1046 | if (!priv) { | |
1047 | dev_err(dev, "priv allocate failed\n"); | |
1048 | return -ENODEV; | |
1049 | } | |
1050 | ||
9f464f8e | 1051 | priv->pdev = pdev; |
1536a968 KM |
1052 | priv->info = info; |
1053 | spin_lock_init(&priv->lock); | |
1054 | ||
1055 | /* | |
1056 | * init each module | |
1057 | */ | |
d1ac970f | 1058 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1059 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1060 | if (ret) |
1061 | return ret; | |
1062 | } | |
07539c1d | 1063 | |
7681f6ac | 1064 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1065 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1066 | if (ret) |
d62a3dcd | 1067 | goto exit_snd_probe; |
dfc9403b | 1068 | |
f708d944 | 1069 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1070 | if (ret) |
d62a3dcd | 1071 | goto exit_snd_probe; |
7681f6ac | 1072 | } |
4b4dab82 | 1073 | |
0b1f6ec7 KM |
1074 | dev_set_drvdata(dev, priv); |
1075 | ||
1536a968 KM |
1076 | /* |
1077 | * asoc register | |
1078 | */ | |
1079 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1080 | if (ret < 0) { | |
1081 | dev_err(dev, "cannot snd soc register\n"); | |
1082 | return ret; | |
1083 | } | |
1084 | ||
1085 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1086 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1087 | if (ret < 0) { |
1088 | dev_err(dev, "cannot snd dai register\n"); | |
1089 | goto exit_snd_soc; | |
1090 | } | |
1091 | ||
1536a968 KM |
1092 | pm_runtime_enable(dev); |
1093 | ||
1094 | dev_info(dev, "probed\n"); | |
1095 | return ret; | |
1096 | ||
1097 | exit_snd_soc: | |
1098 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1099 | exit_snd_probe: |
1100 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1101 | rsnd_dai_call(remove, &rdai->playback, priv); |
1102 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1103 | } |
1536a968 KM |
1104 | |
1105 | return ret; | |
1106 | } | |
1107 | ||
1108 | static int rsnd_remove(struct platform_device *pdev) | |
1109 | { | |
1110 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1111 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1112 | void (*remove_func[])(struct platform_device *pdev, |
1113 | struct rsnd_priv *priv) = { | |
1114 | rsnd_ssi_remove, | |
1115 | rsnd_src_remove, | |
1116 | rsnd_dvc_remove, | |
1117 | }; | |
d62a3dcd | 1118 | int ret = 0, i; |
1536a968 KM |
1119 | |
1120 | pm_runtime_disable(&pdev->dev); | |
1121 | ||
7681f6ac | 1122 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1123 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1124 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1125 | } |
1536a968 | 1126 | |
2f78dd7f KM |
1127 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1128 | remove_func[i](pdev, priv); | |
1129 | ||
d7c42ff8 KM |
1130 | snd_soc_unregister_component(&pdev->dev); |
1131 | snd_soc_unregister_platform(&pdev->dev); | |
1132 | ||
d62a3dcd | 1133 | return ret; |
1536a968 KM |
1134 | } |
1135 | ||
1136 | static struct platform_driver rsnd_driver = { | |
1137 | .driver = { | |
1138 | .name = "rcar_sound", | |
90e8e50f | 1139 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1140 | }, |
1141 | .probe = rsnd_probe, | |
1142 | .remove = rsnd_remove, | |
1143 | }; | |
1144 | module_platform_driver(rsnd_driver); | |
1145 | ||
1146 | MODULE_LICENSE("GPL"); | |
1147 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1148 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1149 | MODULE_ALIAS("platform:rcar-pcm-audio"); |