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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 | * | | |
76 | * | ** these control scu | |
77 | * | | |
78 | * +- scu | |
79 | * | | |
80 | * +- scu[0] | |
81 | * +- scu[1] | |
82 | * +- scu[2] | |
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 | ||
102 | /* | |
103 | * rsnd_platform functions | |
104 | */ | |
105 | #define rsnd_platform_call(priv, dai, func, param...) \ | |
106 | (!(priv->info->func) ? -ENODEV : \ | |
107 | priv->info->func(param)) | |
108 | ||
109 | ||
3337744a KM |
110 | /* |
111 | * basic function | |
112 | */ | |
113 | u32 rsnd_read(struct rsnd_priv *priv, | |
114 | struct rsnd_mod *mod, enum rsnd_reg reg) | |
115 | { | |
116 | void __iomem *base = rsnd_gen_reg_get(priv, mod, reg); | |
117 | ||
118 | BUG_ON(!base); | |
119 | ||
120 | return ioread32(base); | |
121 | } | |
122 | ||
123 | void rsnd_write(struct rsnd_priv *priv, | |
124 | struct rsnd_mod *mod, | |
125 | enum rsnd_reg reg, u32 data) | |
126 | { | |
127 | void __iomem *base = rsnd_gen_reg_get(priv, mod, reg); | |
128 | struct device *dev = rsnd_priv_to_dev(priv); | |
129 | ||
130 | BUG_ON(!base); | |
131 | ||
132 | dev_dbg(dev, "w %p : %08x\n", base, data); | |
133 | ||
134 | iowrite32(data, base); | |
135 | } | |
136 | ||
137 | void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, | |
138 | enum rsnd_reg reg, u32 mask, u32 data) | |
139 | { | |
140 | void __iomem *base = rsnd_gen_reg_get(priv, mod, reg); | |
141 | struct device *dev = rsnd_priv_to_dev(priv); | |
142 | u32 val; | |
143 | ||
144 | BUG_ON(!base); | |
145 | ||
146 | val = ioread32(base); | |
147 | val &= ~mask; | |
148 | val |= data & mask; | |
149 | iowrite32(val, base); | |
150 | ||
151 | dev_dbg(dev, "s %p : %08x\n", base, val); | |
152 | } | |
153 | ||
cdaa3cdf KM |
154 | /* |
155 | * rsnd_mod functions | |
156 | */ | |
157 | char *rsnd_mod_name(struct rsnd_mod *mod) | |
158 | { | |
159 | if (!mod || !mod->ops) | |
160 | return "unknown"; | |
161 | ||
162 | return mod->ops->name; | |
163 | } | |
164 | ||
165 | void rsnd_mod_init(struct rsnd_priv *priv, | |
166 | struct rsnd_mod *mod, | |
167 | struct rsnd_mod_ops *ops, | |
168 | int id) | |
169 | { | |
170 | mod->priv = priv; | |
171 | mod->id = id; | |
172 | mod->ops = ops; | |
173 | INIT_LIST_HEAD(&mod->list); | |
174 | } | |
175 | ||
1536a968 KM |
176 | /* |
177 | * rsnd_dai functions | |
178 | */ | |
cdaa3cdf KM |
179 | #define rsnd_dai_call(rdai, io, fn) \ |
180 | ({ \ | |
181 | struct rsnd_mod *mod, *n; \ | |
182 | int ret = 0; \ | |
183 | for_each_rsnd_mod(mod, n, io) { \ | |
184 | ret = rsnd_mod_call(mod, fn, rdai, io); \ | |
185 | if (ret < 0) \ | |
186 | break; \ | |
187 | } \ | |
188 | ret; \ | |
189 | }) | |
190 | ||
191 | int rsnd_dai_connect(struct rsnd_dai *rdai, | |
192 | struct rsnd_mod *mod, | |
193 | struct rsnd_dai_stream *io) | |
194 | { | |
195 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
196 | struct device *dev = rsnd_priv_to_dev(priv); | |
197 | ||
198 | if (!mod) { | |
199 | dev_err(dev, "NULL mod\n"); | |
200 | return -EIO; | |
201 | } | |
202 | ||
203 | if (!list_empty(&mod->list)) { | |
204 | dev_err(dev, "%s%d is not empty\n", | |
205 | rsnd_mod_name(mod), | |
206 | rsnd_mod_id(mod)); | |
207 | return -EIO; | |
208 | } | |
209 | ||
210 | list_add_tail(&mod->list, &io->head); | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | int rsnd_dai_disconnect(struct rsnd_mod *mod) | |
216 | { | |
217 | list_del_init(&mod->list); | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
1536a968 KM |
222 | struct rsnd_dai *rsnd_dai_get(struct rsnd_priv *priv, int id) |
223 | { | |
224 | return priv->rdai + id; | |
225 | } | |
226 | ||
227 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) | |
228 | { | |
229 | struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai); | |
230 | ||
231 | return rsnd_dai_get(priv, dai->id); | |
232 | } | |
233 | ||
234 | int rsnd_dai_is_play(struct rsnd_dai *rdai, struct rsnd_dai_stream *io) | |
235 | { | |
236 | return &rdai->playback == io; | |
237 | } | |
238 | ||
239 | /* | |
240 | * rsnd_soc_dai functions | |
241 | */ | |
242 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
243 | { | |
244 | struct snd_pcm_substream *substream = io->substream; | |
245 | struct snd_pcm_runtime *runtime = substream->runtime; | |
246 | int pos = io->byte_pos + additional; | |
247 | ||
248 | pos %= (runtime->periods * io->byte_per_period); | |
249 | ||
250 | return pos; | |
251 | } | |
252 | ||
253 | void rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) | |
254 | { | |
255 | io->byte_pos += byte; | |
256 | ||
257 | if (io->byte_pos >= io->next_period_byte) { | |
258 | struct snd_pcm_substream *substream = io->substream; | |
259 | struct snd_pcm_runtime *runtime = substream->runtime; | |
260 | ||
261 | io->period_pos++; | |
262 | io->next_period_byte += io->byte_per_period; | |
263 | ||
264 | if (io->period_pos >= runtime->periods) { | |
265 | io->byte_pos = 0; | |
266 | io->period_pos = 0; | |
267 | io->next_period_byte = io->byte_per_period; | |
268 | } | |
269 | ||
270 | snd_pcm_period_elapsed(substream); | |
271 | } | |
272 | } | |
273 | ||
274 | static int rsnd_dai_stream_init(struct rsnd_dai_stream *io, | |
275 | struct snd_pcm_substream *substream) | |
276 | { | |
277 | struct snd_pcm_runtime *runtime = substream->runtime; | |
278 | ||
279 | if (!list_empty(&io->head)) | |
280 | return -EIO; | |
281 | ||
282 | INIT_LIST_HEAD(&io->head); | |
283 | io->substream = substream; | |
284 | io->byte_pos = 0; | |
285 | io->period_pos = 0; | |
286 | io->byte_per_period = runtime->period_size * | |
287 | runtime->channels * | |
288 | samples_to_bytes(runtime, 1); | |
289 | io->next_period_byte = io->byte_per_period; | |
290 | ||
291 | return 0; | |
292 | } | |
293 | ||
294 | static | |
295 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
296 | { | |
297 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
298 | ||
299 | return rtd->cpu_dai; | |
300 | } | |
301 | ||
302 | static | |
303 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
304 | struct snd_pcm_substream *substream) | |
305 | { | |
306 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
307 | return &rdai->playback; | |
308 | else | |
309 | return &rdai->capture; | |
310 | } | |
311 | ||
312 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
313 | struct snd_soc_dai *dai) | |
314 | { | |
315 | struct rsnd_priv *priv = snd_soc_dai_get_drvdata(dai); | |
316 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
317 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
318 | struct rsnd_dai_platform_info *info = rsnd_dai_get_platform_info(rdai); | |
319 | int ssi_id = rsnd_dai_is_play(rdai, io) ? info->ssi_id_playback : | |
320 | info->ssi_id_capture; | |
321 | int ret; | |
322 | unsigned long flags; | |
323 | ||
324 | rsnd_lock(priv, flags); | |
325 | ||
326 | switch (cmd) { | |
327 | case SNDRV_PCM_TRIGGER_START: | |
328 | ret = rsnd_dai_stream_init(io, substream); | |
329 | if (ret < 0) | |
330 | goto dai_trigger_end; | |
331 | ||
332 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
333 | if (ret < 0) | |
334 | goto dai_trigger_end; | |
335 | ||
3337744a KM |
336 | ret = rsnd_gen_path_init(priv, rdai, io); |
337 | if (ret < 0) | |
338 | goto dai_trigger_end; | |
339 | ||
cdaa3cdf KM |
340 | ret = rsnd_dai_call(rdai, io, init); |
341 | if (ret < 0) | |
342 | goto dai_trigger_end; | |
343 | ||
344 | ret = rsnd_dai_call(rdai, io, start); | |
345 | if (ret < 0) | |
346 | goto dai_trigger_end; | |
1536a968 KM |
347 | break; |
348 | case SNDRV_PCM_TRIGGER_STOP: | |
cdaa3cdf KM |
349 | ret = rsnd_dai_call(rdai, io, stop); |
350 | if (ret < 0) | |
351 | goto dai_trigger_end; | |
352 | ||
353 | ret = rsnd_dai_call(rdai, io, quit); | |
354 | if (ret < 0) | |
355 | goto dai_trigger_end; | |
356 | ||
3337744a | 357 | ret = rsnd_gen_path_exit(priv, rdai, io); |
1536a968 KM |
358 | if (ret < 0) |
359 | goto dai_trigger_end; | |
360 | ||
3337744a KM |
361 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
362 | if (ret < 0) | |
363 | goto dai_trigger_end; | |
1536a968 KM |
364 | break; |
365 | default: | |
366 | ret = -EINVAL; | |
367 | } | |
368 | ||
369 | dai_trigger_end: | |
370 | rsnd_unlock(priv, flags); | |
371 | ||
372 | return ret; | |
373 | } | |
374 | ||
375 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
376 | { | |
377 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
378 | ||
379 | /* set master/slave audio interface */ | |
380 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
381 | case SND_SOC_DAIFMT_CBM_CFM: | |
382 | rdai->clk_master = 1; | |
383 | break; | |
384 | case SND_SOC_DAIFMT_CBS_CFS: | |
385 | rdai->clk_master = 0; | |
386 | break; | |
387 | default: | |
388 | return -EINVAL; | |
389 | } | |
390 | ||
391 | /* set clock inversion */ | |
392 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
393 | case SND_SOC_DAIFMT_NB_IF: | |
394 | rdai->bit_clk_inv = 0; | |
395 | rdai->frm_clk_inv = 1; | |
396 | break; | |
397 | case SND_SOC_DAIFMT_IB_NF: | |
398 | rdai->bit_clk_inv = 1; | |
399 | rdai->frm_clk_inv = 0; | |
400 | break; | |
401 | case SND_SOC_DAIFMT_IB_IF: | |
402 | rdai->bit_clk_inv = 1; | |
403 | rdai->frm_clk_inv = 1; | |
404 | break; | |
405 | case SND_SOC_DAIFMT_NB_NF: | |
406 | default: | |
407 | rdai->bit_clk_inv = 0; | |
408 | rdai->frm_clk_inv = 0; | |
409 | break; | |
410 | } | |
411 | ||
412 | /* set format */ | |
413 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
414 | case SND_SOC_DAIFMT_I2S: | |
415 | rdai->sys_delay = 0; | |
416 | rdai->data_alignment = 0; | |
417 | break; | |
418 | case SND_SOC_DAIFMT_LEFT_J: | |
419 | rdai->sys_delay = 1; | |
420 | rdai->data_alignment = 0; | |
421 | break; | |
422 | case SND_SOC_DAIFMT_RIGHT_J: | |
423 | rdai->sys_delay = 1; | |
424 | rdai->data_alignment = 1; | |
425 | break; | |
426 | } | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
431 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
432 | .trigger = rsnd_soc_dai_trigger, | |
433 | .set_fmt = rsnd_soc_dai_set_fmt, | |
434 | }; | |
435 | ||
436 | static int rsnd_dai_probe(struct platform_device *pdev, | |
437 | struct rcar_snd_info *info, | |
438 | struct rsnd_priv *priv) | |
439 | { | |
440 | struct snd_soc_dai_driver *drv; | |
441 | struct rsnd_dai *rdai; | |
442 | struct device *dev = rsnd_priv_to_dev(priv); | |
443 | struct rsnd_dai_platform_info *dai_info; | |
444 | int dai_nr = info->dai_info_nr; | |
445 | int i, pid, cid; | |
446 | ||
447 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
448 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
449 | if (!drv || !rdai) { | |
450 | dev_err(dev, "dai allocate failed\n"); | |
451 | return -ENOMEM; | |
452 | } | |
453 | ||
454 | for (i = 0; i < dai_nr; i++) { | |
455 | dai_info = &info->dai_info[i]; | |
456 | ||
457 | pid = dai_info->ssi_id_playback; | |
458 | cid = dai_info->ssi_id_capture; | |
459 | ||
460 | /* | |
461 | * init rsnd_dai | |
462 | */ | |
463 | INIT_LIST_HEAD(&rdai[i].playback.head); | |
464 | INIT_LIST_HEAD(&rdai[i].capture.head); | |
465 | ||
466 | rdai[i].info = dai_info; | |
467 | ||
468 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); | |
469 | ||
470 | /* | |
471 | * init snd_soc_dai_driver | |
472 | */ | |
473 | drv[i].name = rdai[i].name; | |
474 | drv[i].ops = &rsnd_soc_dai_ops; | |
475 | if (pid >= 0) { | |
476 | drv[i].playback.rates = RSND_RATES; | |
477 | drv[i].playback.formats = RSND_FMTS; | |
478 | drv[i].playback.channels_min = 2; | |
479 | drv[i].playback.channels_max = 2; | |
480 | } | |
481 | if (cid >= 0) { | |
482 | drv[i].capture.rates = RSND_RATES; | |
483 | drv[i].capture.formats = RSND_FMTS; | |
484 | drv[i].capture.channels_min = 2; | |
485 | drv[i].capture.channels_max = 2; | |
486 | } | |
487 | ||
488 | dev_dbg(dev, "%s (%d, %d) probed", rdai[i].name, pid, cid); | |
489 | } | |
490 | ||
491 | priv->dai_nr = dai_nr; | |
492 | priv->daidrv = drv; | |
493 | priv->rdai = rdai; | |
494 | ||
495 | return 0; | |
496 | } | |
497 | ||
498 | static void rsnd_dai_remove(struct platform_device *pdev, | |
499 | struct rsnd_priv *priv) | |
500 | { | |
501 | } | |
502 | ||
503 | /* | |
504 | * pcm ops | |
505 | */ | |
506 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
507 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
508 | SNDRV_PCM_INFO_MMAP | | |
509 | SNDRV_PCM_INFO_MMAP_VALID | | |
510 | SNDRV_PCM_INFO_PAUSE, | |
511 | .formats = RSND_FMTS, | |
512 | .rates = RSND_RATES, | |
513 | .rate_min = 8000, | |
514 | .rate_max = 192000, | |
515 | .channels_min = 2, | |
516 | .channels_max = 2, | |
517 | .buffer_bytes_max = 64 * 1024, | |
518 | .period_bytes_min = 32, | |
519 | .period_bytes_max = 8192, | |
520 | .periods_min = 1, | |
521 | .periods_max = 32, | |
522 | .fifo_size = 256, | |
523 | }; | |
524 | ||
525 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
526 | { | |
527 | struct snd_pcm_runtime *runtime = substream->runtime; | |
528 | int ret = 0; | |
529 | ||
530 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
531 | ||
532 | ret = snd_pcm_hw_constraint_integer(runtime, | |
533 | SNDRV_PCM_HW_PARAM_PERIODS); | |
534 | ||
535 | return ret; | |
536 | } | |
537 | ||
538 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
539 | struct snd_pcm_hw_params *hw_params) | |
540 | { | |
541 | return snd_pcm_lib_malloc_pages(substream, | |
542 | params_buffer_bytes(hw_params)); | |
543 | } | |
544 | ||
545 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
546 | { | |
547 | struct snd_pcm_runtime *runtime = substream->runtime; | |
548 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
549 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
550 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
551 | ||
552 | return bytes_to_frames(runtime, io->byte_pos); | |
553 | } | |
554 | ||
555 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
556 | .open = rsnd_pcm_open, | |
557 | .ioctl = snd_pcm_lib_ioctl, | |
558 | .hw_params = rsnd_hw_params, | |
559 | .hw_free = snd_pcm_lib_free_pages, | |
560 | .pointer = rsnd_pointer, | |
561 | }; | |
562 | ||
563 | /* | |
564 | * snd_soc_platform | |
565 | */ | |
566 | ||
567 | #define PREALLOC_BUFFER (32 * 1024) | |
568 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
569 | ||
570 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
571 | { | |
572 | return snd_pcm_lib_preallocate_pages_for_all( | |
573 | rtd->pcm, | |
574 | SNDRV_DMA_TYPE_DEV, | |
575 | rtd->card->snd_card->dev, | |
576 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
577 | } | |
578 | ||
579 | static void rsnd_pcm_free(struct snd_pcm *pcm) | |
580 | { | |
581 | snd_pcm_lib_preallocate_free_for_all(pcm); | |
582 | } | |
583 | ||
584 | static struct snd_soc_platform_driver rsnd_soc_platform = { | |
585 | .ops = &rsnd_pcm_ops, | |
586 | .pcm_new = rsnd_pcm_new, | |
587 | .pcm_free = rsnd_pcm_free, | |
588 | }; | |
589 | ||
590 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
591 | .name = "rsnd", | |
592 | }; | |
593 | ||
594 | /* | |
595 | * rsnd probe | |
596 | */ | |
597 | static int rsnd_probe(struct platform_device *pdev) | |
598 | { | |
599 | struct rcar_snd_info *info; | |
600 | struct rsnd_priv *priv; | |
601 | struct device *dev = &pdev->dev; | |
602 | int ret; | |
603 | ||
604 | info = pdev->dev.platform_data; | |
605 | if (!info) { | |
606 | dev_err(dev, "driver needs R-Car sound information\n"); | |
607 | return -ENODEV; | |
608 | } | |
609 | ||
610 | /* | |
611 | * init priv data | |
612 | */ | |
613 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
614 | if (!priv) { | |
615 | dev_err(dev, "priv allocate failed\n"); | |
616 | return -ENODEV; | |
617 | } | |
618 | ||
619 | priv->dev = dev; | |
620 | priv->info = info; | |
621 | spin_lock_init(&priv->lock); | |
622 | ||
623 | /* | |
624 | * init each module | |
625 | */ | |
3337744a KM |
626 | ret = rsnd_gen_probe(pdev, info, priv); |
627 | if (ret < 0) | |
628 | return ret; | |
629 | ||
1536a968 KM |
630 | ret = rsnd_dai_probe(pdev, info, priv); |
631 | if (ret < 0) | |
632 | return ret; | |
633 | ||
07539c1d KM |
634 | ret = rsnd_scu_probe(pdev, info, priv); |
635 | if (ret < 0) | |
636 | return ret; | |
637 | ||
dfc9403b KM |
638 | ret = rsnd_adg_probe(pdev, info, priv); |
639 | if (ret < 0) | |
640 | return ret; | |
641 | ||
ae5c3223 KM |
642 | ret = rsnd_ssi_probe(pdev, info, priv); |
643 | if (ret < 0) | |
644 | return ret; | |
645 | ||
1536a968 KM |
646 | /* |
647 | * asoc register | |
648 | */ | |
649 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
650 | if (ret < 0) { | |
651 | dev_err(dev, "cannot snd soc register\n"); | |
652 | return ret; | |
653 | } | |
654 | ||
655 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
656 | priv->daidrv, rsnd_dai_nr(priv)); | |
657 | if (ret < 0) { | |
658 | dev_err(dev, "cannot snd dai register\n"); | |
659 | goto exit_snd_soc; | |
660 | } | |
661 | ||
662 | dev_set_drvdata(dev, priv); | |
663 | ||
664 | pm_runtime_enable(dev); | |
665 | ||
666 | dev_info(dev, "probed\n"); | |
667 | return ret; | |
668 | ||
669 | exit_snd_soc: | |
670 | snd_soc_unregister_platform(dev); | |
671 | ||
672 | return ret; | |
673 | } | |
674 | ||
675 | static int rsnd_remove(struct platform_device *pdev) | |
676 | { | |
677 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
678 | ||
679 | pm_runtime_disable(&pdev->dev); | |
680 | ||
681 | /* | |
682 | * remove each module | |
683 | */ | |
ae5c3223 | 684 | rsnd_ssi_remove(pdev, priv); |
dfc9403b | 685 | rsnd_adg_remove(pdev, priv); |
07539c1d | 686 | rsnd_scu_remove(pdev, priv); |
1536a968 | 687 | rsnd_dai_remove(pdev, priv); |
3337744a | 688 | rsnd_gen_remove(pdev, priv); |
1536a968 KM |
689 | |
690 | return 0; | |
691 | } | |
692 | ||
693 | static struct platform_driver rsnd_driver = { | |
694 | .driver = { | |
695 | .name = "rcar_sound", | |
696 | }, | |
697 | .probe = rsnd_probe, | |
698 | .remove = rsnd_remove, | |
699 | }; | |
700 | module_platform_driver(rsnd_driver); | |
701 | ||
702 | MODULE_LICENSE("GPL"); | |
703 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
704 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
705 | MODULE_ALIAS("platform:rcar-pcm-audio"); |