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