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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 | ||
2099bc8e KM |
148 | int rsnd_mod_init(struct rsnd_priv *priv, |
149 | struct rsnd_mod *mod, | |
cdaa3cdf | 150 | struct rsnd_mod_ops *ops, |
85642952 | 151 | struct clk *clk, |
a126021d | 152 | enum rsnd_mod_type type, |
cdaa3cdf KM |
153 | int id) |
154 | { | |
2f78dd7f KM |
155 | int ret = clk_prepare(clk); |
156 | ||
157 | if (ret) | |
158 | return ret; | |
159 | ||
cdaa3cdf KM |
160 | mod->id = id; |
161 | mod->ops = ops; | |
a126021d | 162 | mod->type = type; |
85642952 | 163 | mod->clk = clk; |
2099bc8e | 164 | mod->priv = priv; |
2f78dd7f KM |
165 | |
166 | return ret; | |
167 | } | |
168 | ||
169 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
170 | { | |
171 | if (mod->clk) | |
172 | clk_unprepare(mod->clk); | |
cdaa3cdf KM |
173 | } |
174 | ||
02299d98 KM |
175 | int rsnd_mod_is_working(struct rsnd_mod *mod) |
176 | { | |
177 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); | |
178 | ||
179 | /* see rsnd_dai_stream_init/quit() */ | |
180 | return !!io->substream; | |
181 | } | |
182 | ||
d7bdbc5d KM |
183 | /* |
184 | * settting function | |
185 | */ | |
186 | u32 rsnd_get_adinr(struct rsnd_mod *mod) | |
187 | { | |
188 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
189 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); | |
190 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
191 | struct device *dev = rsnd_priv_to_dev(priv); | |
192 | u32 adinr = runtime->channels; | |
193 | ||
194 | switch (runtime->sample_bits) { | |
195 | case 16: | |
196 | adinr |= (8 << 16); | |
197 | break; | |
198 | case 32: | |
199 | adinr |= (0 << 16); | |
200 | break; | |
201 | default: | |
202 | dev_warn(dev, "not supported sample bits\n"); | |
203 | return 0; | |
204 | } | |
205 | ||
206 | return adinr; | |
207 | } | |
208 | ||
1536a968 KM |
209 | /* |
210 | * rsnd_dai functions | |
211 | */ | |
2c0fac19 | 212 | #define __rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
213 | ({ \ |
214 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
215 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
5451ea44 KM |
216 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
217 | u8 val = (mod->status >> __rsnd_mod_shift_##func) & 0xF; \ | |
218 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ | |
417f9642 | 219 | int ret = 0; \ |
5451ea44 KM |
220 | int called = 0; \ |
221 | if (val == __rsnd_mod_call_##func) { \ | |
222 | called = 1; \ | |
2c0fac19 | 223 | ret = (mod)->ops->func(mod, io, param); \ |
5451ea44 KM |
224 | mod->status = (mod->status & ~mask) + \ |
225 | (add << __rsnd_mod_shift_##func); \ | |
417f9642 | 226 | } \ |
5451ea44 KM |
227 | dev_dbg(dev, "%s[%d] 0x%08x %s\n", \ |
228 | rsnd_mod_name(mod), rsnd_mod_id(mod), mod->status, \ | |
229 | called ? #func : ""); \ | |
417f9642 | 230 | ret; \ |
d870a91e KM |
231 | }) |
232 | ||
2c0fac19 | 233 | #define rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
234 | (!(mod) ? -ENODEV : \ |
235 | !((mod)->ops->func) ? 0 : \ | |
2c0fac19 | 236 | __rsnd_mod_call(mod, io, func, param)) |
d870a91e | 237 | |
690602fc | 238 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 239 | ({ \ |
a126021d KM |
240 | struct rsnd_mod *mod; \ |
241 | int ret = 0, i; \ | |
242 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
243 | mod = (io)->mod[i]; \ | |
244 | if (!mod) \ | |
245 | continue; \ | |
2c0fac19 | 246 | ret = rsnd_mod_call(mod, io, fn, param); \ |
d870a91e KM |
247 | if (ret < 0) \ |
248 | break; \ | |
249 | } \ | |
250 | ret; \ | |
cdaa3cdf KM |
251 | }) |
252 | ||
a126021d | 253 | static int rsnd_dai_connect(struct rsnd_mod *mod, |
9bfed6cf | 254 | struct rsnd_dai_stream *io) |
cdaa3cdf | 255 | { |
6020779b | 256 | if (!mod) |
cdaa3cdf | 257 | return -EIO; |
cdaa3cdf | 258 | |
a126021d | 259 | if (io->mod[mod->type]) { |
6020779b KM |
260 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
261 | struct device *dev = rsnd_priv_to_dev(priv); | |
262 | ||
072bd1e7 | 263 | dev_err(dev, "%s[%d] is not empty\n", |
cdaa3cdf KM |
264 | rsnd_mod_name(mod), |
265 | rsnd_mod_id(mod)); | |
266 | return -EIO; | |
267 | } | |
268 | ||
a126021d | 269 | io->mod[mod->type] = mod; |
4686a0ad | 270 | mod->io = io; |
cdaa3cdf KM |
271 | |
272 | return 0; | |
273 | } | |
274 | ||
d3a76823 KM |
275 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
276 | struct rsnd_dai_stream *io) | |
277 | { | |
278 | mod->io = NULL; | |
279 | io->mod[mod->type] = NULL; | |
280 | } | |
281 | ||
710d0889 | 282 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 283 | { |
ecba9e72 | 284 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
285 | return NULL; |
286 | ||
1536a968 KM |
287 | return priv->rdai + id; |
288 | } | |
289 | ||
eb2535f5 | 290 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
291 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
292 | { | |
eb2535f5 | 293 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 294 | |
710d0889 | 295 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
296 | } |
297 | ||
1536a968 KM |
298 | /* |
299 | * rsnd_soc_dai functions | |
300 | */ | |
301 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
302 | { | |
303 | struct snd_pcm_substream *substream = io->substream; | |
304 | struct snd_pcm_runtime *runtime = substream->runtime; | |
305 | int pos = io->byte_pos + additional; | |
306 | ||
307 | pos %= (runtime->periods * io->byte_per_period); | |
308 | ||
309 | return pos; | |
310 | } | |
311 | ||
75defee0 | 312 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
313 | { |
314 | io->byte_pos += byte; | |
315 | ||
316 | if (io->byte_pos >= io->next_period_byte) { | |
317 | struct snd_pcm_substream *substream = io->substream; | |
318 | struct snd_pcm_runtime *runtime = substream->runtime; | |
319 | ||
320 | io->period_pos++; | |
321 | io->next_period_byte += io->byte_per_period; | |
322 | ||
323 | if (io->period_pos >= runtime->periods) { | |
324 | io->byte_pos = 0; | |
325 | io->period_pos = 0; | |
326 | io->next_period_byte = io->byte_per_period; | |
327 | } | |
328 | ||
75defee0 | 329 | return true; |
1536a968 | 330 | } |
75defee0 KM |
331 | |
332 | return false; | |
333 | } | |
334 | ||
335 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
336 | { | |
337 | struct snd_pcm_substream *substream = io->substream; | |
338 | ||
339 | /* | |
340 | * this function should be called... | |
341 | * | |
342 | * - if rsnd_dai_pointer_update() returns true | |
343 | * - without spin lock | |
344 | */ | |
345 | ||
346 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
347 | } |
348 | ||
5626ad08 | 349 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
350 | struct snd_pcm_substream *substream) |
351 | { | |
352 | struct snd_pcm_runtime *runtime = substream->runtime; | |
353 | ||
1536a968 KM |
354 | io->substream = substream; |
355 | io->byte_pos = 0; | |
356 | io->period_pos = 0; | |
357 | io->byte_per_period = runtime->period_size * | |
358 | runtime->channels * | |
359 | samples_to_bytes(runtime, 1); | |
360 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 361 | } |
1536a968 | 362 | |
5626ad08 KM |
363 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
364 | { | |
365 | io->substream = NULL; | |
1536a968 KM |
366 | } |
367 | ||
368 | static | |
369 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
370 | { | |
371 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
372 | ||
373 | return rtd->cpu_dai; | |
374 | } | |
375 | ||
376 | static | |
377 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
378 | struct snd_pcm_substream *substream) | |
379 | { | |
380 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
381 | return &rdai->playback; | |
382 | else | |
383 | return &rdai->capture; | |
384 | } | |
385 | ||
386 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
387 | struct snd_soc_dai *dai) | |
388 | { | |
eb2535f5 | 389 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
390 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
391 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 392 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
393 | int ret; |
394 | unsigned long flags; | |
395 | ||
02299d98 | 396 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
397 | |
398 | switch (cmd) { | |
399 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 400 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
401 | |
402 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
403 | if (ret < 0) | |
404 | goto dai_trigger_end; | |
405 | ||
690602fc | 406 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
407 | if (ret < 0) |
408 | goto dai_trigger_end; | |
409 | ||
690602fc | 410 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
411 | if (ret < 0) |
412 | goto dai_trigger_end; | |
1536a968 KM |
413 | break; |
414 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 415 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf KM |
416 | if (ret < 0) |
417 | goto dai_trigger_end; | |
418 | ||
690602fc | 419 | ret = rsnd_dai_call(quit, io, priv); |
cdaa3cdf KM |
420 | if (ret < 0) |
421 | goto dai_trigger_end; | |
422 | ||
3337744a KM |
423 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
424 | if (ret < 0) | |
425 | goto dai_trigger_end; | |
5626ad08 KM |
426 | |
427 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
428 | break; |
429 | default: | |
430 | ret = -EINVAL; | |
431 | } | |
432 | ||
433 | dai_trigger_end: | |
02299d98 | 434 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
435 | |
436 | return ret; | |
437 | } | |
438 | ||
439 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
440 | { | |
441 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
442 | ||
443 | /* set master/slave audio interface */ | |
444 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
445 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 446 | rdai->clk_master = 0; |
1536a968 KM |
447 | break; |
448 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 449 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
450 | break; |
451 | default: | |
452 | return -EINVAL; | |
453 | } | |
454 | ||
1536a968 KM |
455 | /* set format */ |
456 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
457 | case SND_SOC_DAIFMT_I2S: | |
458 | rdai->sys_delay = 0; | |
459 | rdai->data_alignment = 0; | |
1a7889ca | 460 | rdai->frm_clk_inv = 0; |
1536a968 KM |
461 | break; |
462 | case SND_SOC_DAIFMT_LEFT_J: | |
463 | rdai->sys_delay = 1; | |
464 | rdai->data_alignment = 0; | |
1a7889ca | 465 | rdai->frm_clk_inv = 1; |
1536a968 KM |
466 | break; |
467 | case SND_SOC_DAIFMT_RIGHT_J: | |
468 | rdai->sys_delay = 1; | |
469 | rdai->data_alignment = 1; | |
1a7889ca KM |
470 | rdai->frm_clk_inv = 1; |
471 | break; | |
472 | } | |
473 | ||
474 | /* set clock inversion */ | |
475 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
476 | case SND_SOC_DAIFMT_NB_IF: | |
477 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
478 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
479 | break; | |
480 | case SND_SOC_DAIFMT_IB_NF: | |
481 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
482 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
483 | break; | |
484 | case SND_SOC_DAIFMT_IB_IF: | |
485 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
486 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
487 | break; | |
488 | case SND_SOC_DAIFMT_NB_NF: | |
489 | default: | |
1536a968 KM |
490 | break; |
491 | } | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
496 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
497 | .trigger = rsnd_soc_dai_trigger, | |
498 | .set_fmt = rsnd_soc_dai_set_fmt, | |
499 | }; | |
500 | ||
739f9502 KM |
501 | #define rsnd_path_parse(priv, io, type) \ |
502 | ({ \ | |
503 | struct rsnd_mod *mod; \ | |
504 | int ret = 0; \ | |
505 | int id = -1; \ | |
506 | \ | |
507 | if (rsnd_is_enable_path(io, type)) { \ | |
508 | id = rsnd_info_id(priv, io, type); \ | |
509 | if (id >= 0) { \ | |
510 | mod = rsnd_##type##_mod_get(priv, id); \ | |
511 | ret = rsnd_dai_connect(mod, io); \ | |
512 | } \ | |
513 | } \ | |
514 | ret; \ | |
515 | }) | |
516 | ||
d3a76823 KM |
517 | #define rsnd_path_break(priv, io, type) \ |
518 | { \ | |
519 | struct rsnd_mod *mod; \ | |
520 | int id = -1; \ | |
521 | \ | |
522 | if (rsnd_is_enable_path(io, type)) { \ | |
523 | id = rsnd_info_id(priv, io, type); \ | |
524 | if (id >= 0) { \ | |
525 | mod = rsnd_##type##_mod_get(priv, id); \ | |
526 | rsnd_dai_disconnect(mod, io); \ | |
527 | } \ | |
528 | } \ | |
529 | } | |
530 | ||
9bfed6cf KM |
531 | static int rsnd_path_init(struct rsnd_priv *priv, |
532 | struct rsnd_dai *rdai, | |
533 | struct rsnd_dai_stream *io) | |
534 | { | |
9bfed6cf | 535 | int ret; |
9bfed6cf KM |
536 | |
537 | /* | |
538 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
539 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
540 | * | |
541 | * Easy image is.. | |
542 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
543 | * | |
544 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
545 | * using fixed path. | |
9bfed6cf | 546 | */ |
9bfed6cf | 547 | |
ba9c949f | 548 | /* SRC */ |
739f9502 KM |
549 | ret = rsnd_path_parse(priv, io, src); |
550 | if (ret < 0) | |
551 | return ret; | |
9bfed6cf KM |
552 | |
553 | /* SSI */ | |
739f9502 KM |
554 | ret = rsnd_path_parse(priv, io, ssi); |
555 | if (ret < 0) | |
556 | return ret; | |
9bfed6cf | 557 | |
bff58ea4 KM |
558 | /* DVC */ |
559 | ret = rsnd_path_parse(priv, io, dvc); | |
560 | if (ret < 0) | |
561 | return ret; | |
9bfed6cf KM |
562 | |
563 | return ret; | |
564 | } | |
565 | ||
90e8e50f KM |
566 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
567 | const struct rsnd_of_data *of_data, | |
568 | struct rsnd_priv *priv) | |
569 | { | |
570 | struct device_node *dai_node, *dai_np; | |
571 | struct device_node *ssi_node, *ssi_np; | |
572 | struct device_node *src_node, *src_np; | |
34cb6123 | 573 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
574 | struct device_node *playback, *capture; |
575 | struct rsnd_dai_platform_info *dai_info; | |
576 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
577 | struct device *dev = &pdev->dev; | |
578 | int nr, i; | |
34cb6123 | 579 | int dai_i, ssi_i, src_i, dvc_i; |
90e8e50f KM |
580 | |
581 | if (!of_data) | |
582 | return; | |
583 | ||
584 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
585 | if (!dai_node) | |
586 | return; | |
587 | ||
588 | nr = of_get_child_count(dai_node); | |
589 | if (!nr) | |
590 | return; | |
591 | ||
592 | dai_info = devm_kzalloc(dev, | |
593 | sizeof(struct rsnd_dai_platform_info) * nr, | |
594 | GFP_KERNEL); | |
595 | if (!dai_info) { | |
596 | dev_err(dev, "dai info allocation error\n"); | |
597 | return; | |
598 | } | |
599 | ||
600 | info->dai_info_nr = nr; | |
601 | info->dai_info = dai_info; | |
602 | ||
603 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
604 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
34cb6123 | 605 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
606 | |
607 | #define mod_parse(name) \ | |
608 | if (name##_node) { \ | |
609 | struct rsnd_##name##_platform_info *name##_info; \ | |
610 | \ | |
611 | name##_i = 0; \ | |
612 | for_each_child_of_node(name##_node, name##_np) { \ | |
613 | name##_info = info->name##_info + name##_i; \ | |
614 | \ | |
615 | if (name##_np == playback) \ | |
616 | dai_info->playback.name = name##_info; \ | |
617 | if (name##_np == capture) \ | |
618 | dai_info->capture.name = name##_info; \ | |
619 | \ | |
620 | name##_i++; \ | |
621 | } \ | |
622 | } | |
623 | ||
624 | /* | |
625 | * parse all dai | |
626 | */ | |
627 | dai_i = 0; | |
628 | for_each_child_of_node(dai_node, dai_np) { | |
629 | dai_info = info->dai_info + dai_i; | |
630 | ||
631 | for (i = 0;; i++) { | |
632 | ||
633 | playback = of_parse_phandle(dai_np, "playback", i); | |
634 | capture = of_parse_phandle(dai_np, "capture", i); | |
635 | ||
636 | if (!playback && !capture) | |
637 | break; | |
638 | ||
639 | mod_parse(ssi); | |
640 | mod_parse(src); | |
34cb6123 | 641 | mod_parse(dvc); |
90e8e50f | 642 | |
a493b6a6 JL |
643 | of_node_put(playback); |
644 | of_node_put(capture); | |
90e8e50f KM |
645 | } |
646 | ||
647 | dai_i++; | |
648 | } | |
649 | } | |
650 | ||
1536a968 | 651 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 652 | const struct rsnd_of_data *of_data, |
1536a968 KM |
653 | struct rsnd_priv *priv) |
654 | { | |
655 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 656 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 657 | struct rsnd_dai *rdai; |
29e69fd2 | 658 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 659 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 660 | int dai_nr; |
4b4dab82 KM |
661 | int i; |
662 | ||
90e8e50f KM |
663 | rsnd_of_parse_dai(pdev, of_data, priv); |
664 | ||
90e8e50f | 665 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
666 | if (!dai_nr) { |
667 | dev_err(dev, "no dai\n"); | |
668 | return -EIO; | |
669 | } | |
1536a968 KM |
670 | |
671 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
672 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
673 | if (!drv || !rdai) { | |
674 | dev_err(dev, "dai allocate failed\n"); | |
675 | return -ENOMEM; | |
676 | } | |
677 | ||
ecba9e72 | 678 | priv->rdai_nr = dai_nr; |
49848073 KM |
679 | priv->daidrv = drv; |
680 | priv->rdai = rdai; | |
681 | ||
1536a968 | 682 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 683 | |
7c57d76f KM |
684 | pmod = info->dai_info[i].playback.ssi; |
685 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
686 | |
687 | /* | |
688 | * init rsnd_dai | |
689 | */ | |
1536a968 | 690 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 691 | rdai[i].priv = priv; |
1536a968 KM |
692 | |
693 | /* | |
694 | * init snd_soc_dai_driver | |
695 | */ | |
696 | drv[i].name = rdai[i].name; | |
697 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 698 | if (pmod) { |
f8c3c309 KM |
699 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
700 | "DAI%d Playback", i); | |
701 | ||
1536a968 KM |
702 | drv[i].playback.rates = RSND_RATES; |
703 | drv[i].playback.formats = RSND_FMTS; | |
704 | drv[i].playback.channels_min = 2; | |
705 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 706 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 707 | |
29e69fd2 | 708 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 709 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 710 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 711 | } |
4b4dab82 | 712 | if (cmod) { |
f8c3c309 KM |
713 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
714 | "DAI%d Capture", i); | |
715 | ||
1536a968 KM |
716 | drv[i].capture.rates = RSND_RATES; |
717 | drv[i].capture.formats = RSND_FMTS; | |
718 | drv[i].capture.channels_min = 2; | |
719 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 720 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 721 | |
29e69fd2 | 722 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 723 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 724 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
725 | } |
726 | ||
4b4dab82 KM |
727 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
728 | pmod ? "play" : " -- ", | |
729 | cmod ? "capture" : " -- "); | |
1536a968 KM |
730 | } |
731 | ||
1536a968 KM |
732 | return 0; |
733 | } | |
734 | ||
1536a968 KM |
735 | /* |
736 | * pcm ops | |
737 | */ | |
738 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
739 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
740 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 741 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
742 | .buffer_bytes_max = 64 * 1024, |
743 | .period_bytes_min = 32, | |
744 | .period_bytes_max = 8192, | |
745 | .periods_min = 1, | |
746 | .periods_max = 32, | |
747 | .fifo_size = 256, | |
748 | }; | |
749 | ||
750 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
751 | { | |
752 | struct snd_pcm_runtime *runtime = substream->runtime; | |
753 | int ret = 0; | |
754 | ||
755 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
756 | ||
757 | ret = snd_pcm_hw_constraint_integer(runtime, | |
758 | SNDRV_PCM_HW_PARAM_PERIODS); | |
759 | ||
760 | return ret; | |
761 | } | |
762 | ||
763 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
764 | struct snd_pcm_hw_params *hw_params) | |
765 | { | |
3b7843ff KM |
766 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
767 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
768 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
769 | int ret; | |
770 | ||
771 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
772 | if (ret) | |
773 | return ret; | |
774 | ||
1536a968 KM |
775 | return snd_pcm_lib_malloc_pages(substream, |
776 | params_buffer_bytes(hw_params)); | |
777 | } | |
778 | ||
779 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
780 | { | |
781 | struct snd_pcm_runtime *runtime = substream->runtime; | |
782 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
783 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
784 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
785 | ||
786 | return bytes_to_frames(runtime, io->byte_pos); | |
787 | } | |
788 | ||
789 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
790 | .open = rsnd_pcm_open, | |
791 | .ioctl = snd_pcm_lib_ioctl, | |
792 | .hw_params = rsnd_hw_params, | |
793 | .hw_free = snd_pcm_lib_free_pages, | |
794 | .pointer = rsnd_pointer, | |
795 | }; | |
796 | ||
170a2497 KM |
797 | /* |
798 | * snd_kcontrol | |
799 | */ | |
800 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
801 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
802 | struct snd_ctl_elem_info *uinfo) | |
803 | { | |
804 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
805 | ||
806 | if (cfg->texts) { | |
807 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
808 | uinfo->count = cfg->size; | |
809 | uinfo->value.enumerated.items = cfg->max; | |
810 | if (uinfo->value.enumerated.item >= cfg->max) | |
811 | uinfo->value.enumerated.item = cfg->max - 1; | |
812 | strlcpy(uinfo->value.enumerated.name, | |
813 | cfg->texts[uinfo->value.enumerated.item], | |
814 | sizeof(uinfo->value.enumerated.name)); | |
815 | } else { | |
816 | uinfo->count = cfg->size; | |
817 | uinfo->value.integer.min = 0; | |
818 | uinfo->value.integer.max = cfg->max; | |
819 | uinfo->type = (cfg->max == 1) ? | |
820 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
821 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
822 | } | |
823 | ||
824 | return 0; | |
825 | } | |
826 | ||
827 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
828 | struct snd_ctl_elem_value *uc) | |
829 | { | |
830 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
831 | int i; | |
832 | ||
833 | for (i = 0; i < cfg->size; i++) | |
834 | if (cfg->texts) | |
835 | uc->value.enumerated.item[i] = cfg->val[i]; | |
836 | else | |
837 | uc->value.integer.value[i] = cfg->val[i]; | |
838 | ||
839 | return 0; | |
840 | } | |
841 | ||
842 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
843 | struct snd_ctl_elem_value *uc) | |
844 | { | |
845 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
846 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
847 | int i, change = 0; | |
848 | ||
849 | for (i = 0; i < cfg->size; i++) { | |
850 | if (cfg->texts) { | |
851 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
852 | cfg->val[i] = uc->value.enumerated.item[i]; | |
853 | } else { | |
854 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
855 | cfg->val[i] = uc->value.integer.value[i]; | |
856 | } | |
857 | } | |
858 | ||
859 | if (change) | |
860 | cfg->update(mod); | |
861 | ||
862 | return change; | |
863 | } | |
864 | ||
865 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
170a2497 KM |
866 | struct snd_soc_pcm_runtime *rtd, |
867 | const unsigned char *name, | |
868 | struct rsnd_kctrl_cfg *cfg, | |
869 | void (*update)(struct rsnd_mod *mod)) | |
870 | { | |
da620d72 | 871 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
872 | struct snd_card *card = rtd->card->snd_card; |
873 | struct snd_kcontrol *kctrl; | |
874 | struct snd_kcontrol_new knew = { | |
875 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
876 | .name = name, | |
877 | .info = rsnd_kctrl_info, | |
da620d72 | 878 | .index = rtd - soc_card->rtd, |
170a2497 KM |
879 | .get = rsnd_kctrl_get, |
880 | .put = rsnd_kctrl_put, | |
881 | .private_value = (unsigned long)cfg, | |
882 | }; | |
883 | int ret; | |
884 | ||
885 | kctrl = snd_ctl_new1(&knew, mod); | |
886 | if (!kctrl) | |
887 | return -ENOMEM; | |
888 | ||
889 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
890 | if (ret < 0) { |
891 | snd_ctl_free_one(kctrl); | |
170a2497 | 892 | return ret; |
d1f83d6e | 893 | } |
170a2497 KM |
894 | |
895 | cfg->update = update; | |
d1f83d6e KM |
896 | cfg->card = card; |
897 | cfg->kctrl = kctrl; | |
170a2497 KM |
898 | |
899 | return 0; | |
900 | } | |
901 | ||
d1f83d6e KM |
902 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
903 | { | |
904 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
905 | } | |
906 | ||
170a2497 | 907 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
170a2497 KM |
908 | struct snd_soc_pcm_runtime *rtd, |
909 | const unsigned char *name, | |
910 | void (*update)(struct rsnd_mod *mod), | |
911 | struct rsnd_kctrl_cfg_m *_cfg, | |
912 | u32 max) | |
913 | { | |
914 | _cfg->cfg.max = max; | |
915 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
916 | _cfg->cfg.val = _cfg->val; | |
f708d944 | 917 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
918 | } |
919 | ||
920 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
170a2497 KM |
921 | struct snd_soc_pcm_runtime *rtd, |
922 | const unsigned char *name, | |
923 | void (*update)(struct rsnd_mod *mod), | |
924 | struct rsnd_kctrl_cfg_s *_cfg, | |
925 | u32 max) | |
926 | { | |
927 | _cfg->cfg.max = max; | |
928 | _cfg->cfg.size = 1; | |
929 | _cfg->cfg.val = &_cfg->val; | |
f708d944 | 930 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
931 | } |
932 | ||
933 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
170a2497 KM |
934 | struct snd_soc_pcm_runtime *rtd, |
935 | const unsigned char *name, | |
936 | struct rsnd_kctrl_cfg_s *_cfg, | |
937 | void (*update)(struct rsnd_mod *mod), | |
938 | const char * const *texts, | |
939 | u32 max) | |
940 | { | |
941 | _cfg->cfg.max = max; | |
942 | _cfg->cfg.size = 1; | |
943 | _cfg->cfg.val = &_cfg->val; | |
944 | _cfg->cfg.texts = texts; | |
f708d944 | 945 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
946 | } |
947 | ||
1536a968 KM |
948 | /* |
949 | * snd_soc_platform | |
950 | */ | |
951 | ||
952 | #define PREALLOC_BUFFER (32 * 1024) | |
953 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
954 | ||
955 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
956 | { | |
7c63f3c0 KM |
957 | struct snd_soc_dai *dai = rtd->cpu_dai; |
958 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 959 | int ret; |
bff58ea4 | 960 | |
ae11a9be KM |
961 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
962 | if (ret) | |
963 | return ret; | |
bff58ea4 | 964 | |
ae11a9be | 965 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
966 | if (ret) |
967 | return ret; | |
bff58ea4 | 968 | |
1536a968 KM |
969 | return snd_pcm_lib_preallocate_pages_for_all( |
970 | rtd->pcm, | |
971 | SNDRV_DMA_TYPE_DEV, | |
972 | rtd->card->snd_card->dev, | |
973 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
974 | } | |
975 | ||
1536a968 KM |
976 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
977 | .ops = &rsnd_pcm_ops, | |
978 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
979 | }; |
980 | ||
981 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
982 | .name = "rsnd", | |
983 | }; | |
984 | ||
d3a76823 | 985 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 986 | struct rsnd_dai_stream *io) |
d3a76823 | 987 | { |
d3a76823 KM |
988 | int ret; |
989 | ||
690602fc | 990 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
991 | if (ret == -EAGAIN) { |
992 | /* | |
993 | * Fallback to PIO mode | |
994 | */ | |
995 | ||
996 | /* | |
997 | * call "remove" for SSI/SRC/DVC | |
998 | * SSI will be switch to PIO mode if it was DMA mode | |
999 | * see | |
1000 | * rsnd_dma_init() | |
97463e19 | 1001 | * rsnd_ssi_fallback() |
d3a76823 | 1002 | */ |
690602fc | 1003 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1004 | |
1005 | /* | |
1006 | * remove SRC/DVC from DAI, | |
1007 | */ | |
1008 | rsnd_path_break(priv, io, src); | |
1009 | rsnd_path_break(priv, io, dvc); | |
1010 | ||
97463e19 KM |
1011 | /* |
1012 | * fallback | |
1013 | */ | |
690602fc | 1014 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1015 | |
d3a76823 KM |
1016 | /* |
1017 | * retry to "probe". | |
1018 | * DAI has SSI which is PIO mode only now. | |
1019 | */ | |
690602fc | 1020 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1021 | } |
1022 | ||
1023 | return ret; | |
1024 | } | |
1025 | ||
1536a968 KM |
1026 | /* |
1027 | * rsnd probe | |
1028 | */ | |
1029 | static int rsnd_probe(struct platform_device *pdev) | |
1030 | { | |
1031 | struct rcar_snd_info *info; | |
1032 | struct rsnd_priv *priv; | |
1033 | struct device *dev = &pdev->dev; | |
7681f6ac | 1034 | struct rsnd_dai *rdai; |
90e8e50f KM |
1035 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1036 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1037 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1038 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1039 | struct rsnd_priv *priv) = { |
1040 | rsnd_gen_probe, | |
288f392e | 1041 | rsnd_dma_probe, |
d1ac970f | 1042 | rsnd_ssi_probe, |
ba9c949f | 1043 | rsnd_src_probe, |
bff58ea4 | 1044 | rsnd_dvc_probe, |
d1ac970f KM |
1045 | rsnd_adg_probe, |
1046 | rsnd_dai_probe, | |
1047 | }; | |
1048 | int ret, i; | |
1536a968 | 1049 | |
90e8e50f KM |
1050 | info = NULL; |
1051 | of_data = NULL; | |
1052 | if (of_id) { | |
1053 | info = devm_kzalloc(&pdev->dev, | |
1054 | sizeof(struct rcar_snd_info), GFP_KERNEL); | |
1055 | of_data = of_id->data; | |
1056 | } else { | |
1057 | info = pdev->dev.platform_data; | |
1058 | } | |
1059 | ||
1536a968 KM |
1060 | if (!info) { |
1061 | dev_err(dev, "driver needs R-Car sound information\n"); | |
1062 | return -ENODEV; | |
1063 | } | |
1064 | ||
1065 | /* | |
1066 | * init priv data | |
1067 | */ | |
1068 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1069 | if (!priv) { | |
1070 | dev_err(dev, "priv allocate failed\n"); | |
1071 | return -ENODEV; | |
1072 | } | |
1073 | ||
9f464f8e | 1074 | priv->pdev = pdev; |
1536a968 KM |
1075 | priv->info = info; |
1076 | spin_lock_init(&priv->lock); | |
1077 | ||
1078 | /* | |
1079 | * init each module | |
1080 | */ | |
d1ac970f | 1081 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1082 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1083 | if (ret) |
1084 | return ret; | |
1085 | } | |
07539c1d | 1086 | |
7681f6ac | 1087 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1088 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1089 | if (ret) |
d62a3dcd | 1090 | goto exit_snd_probe; |
dfc9403b | 1091 | |
f708d944 | 1092 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1093 | if (ret) |
d62a3dcd | 1094 | goto exit_snd_probe; |
7681f6ac | 1095 | } |
4b4dab82 | 1096 | |
0b1f6ec7 KM |
1097 | dev_set_drvdata(dev, priv); |
1098 | ||
1536a968 KM |
1099 | /* |
1100 | * asoc register | |
1101 | */ | |
1102 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1103 | if (ret < 0) { | |
1104 | dev_err(dev, "cannot snd soc register\n"); | |
1105 | return ret; | |
1106 | } | |
1107 | ||
1108 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1109 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1110 | if (ret < 0) { |
1111 | dev_err(dev, "cannot snd dai register\n"); | |
1112 | goto exit_snd_soc; | |
1113 | } | |
1114 | ||
1536a968 KM |
1115 | pm_runtime_enable(dev); |
1116 | ||
1117 | dev_info(dev, "probed\n"); | |
1118 | return ret; | |
1119 | ||
1120 | exit_snd_soc: | |
1121 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1122 | exit_snd_probe: |
1123 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1124 | rsnd_dai_call(remove, &rdai->playback, priv); |
1125 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1126 | } |
1536a968 KM |
1127 | |
1128 | return ret; | |
1129 | } | |
1130 | ||
1131 | static int rsnd_remove(struct platform_device *pdev) | |
1132 | { | |
1133 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1134 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1135 | void (*remove_func[])(struct platform_device *pdev, |
1136 | struct rsnd_priv *priv) = { | |
1137 | rsnd_ssi_remove, | |
1138 | rsnd_src_remove, | |
1139 | rsnd_dvc_remove, | |
1140 | }; | |
d62a3dcd | 1141 | int ret = 0, i; |
1536a968 KM |
1142 | |
1143 | pm_runtime_disable(&pdev->dev); | |
1144 | ||
7681f6ac | 1145 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1146 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1147 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1148 | } |
1536a968 | 1149 | |
2f78dd7f KM |
1150 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1151 | remove_func[i](pdev, priv); | |
1152 | ||
d7c42ff8 KM |
1153 | snd_soc_unregister_component(&pdev->dev); |
1154 | snd_soc_unregister_platform(&pdev->dev); | |
1155 | ||
d62a3dcd | 1156 | return ret; |
1536a968 KM |
1157 | } |
1158 | ||
1159 | static struct platform_driver rsnd_driver = { | |
1160 | .driver = { | |
1161 | .name = "rcar_sound", | |
90e8e50f | 1162 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1163 | }, |
1164 | .probe = rsnd_probe, | |
1165 | .remove = rsnd_remove, | |
1166 | }; | |
1167 | module_platform_driver(rsnd_driver); | |
1168 | ||
1169 | MODULE_LICENSE("GPL"); | |
1170 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1171 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1172 | MODULE_ALIAS("platform:rcar-pcm-audio"); |