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