Commit | Line | Data |
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1536a968 KM |
1 | /* |
2 | * Renesas R-Car SRU/SCU/SSIU/SSI support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * Based on fsi.c | |
8 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | /* | |
16 | * Renesas R-Car sound device structure | |
17 | * | |
18 | * Gen1 | |
19 | * | |
20 | * SRU : Sound Routing Unit | |
21 | * - SRC : Sampling Rate Converter | |
22 | * - CMD | |
23 | * - CTU : Channel Count Conversion Unit | |
24 | * - MIX : Mixer | |
25 | * - DVC : Digital Volume and Mute Function | |
26 | * - SSI : Serial Sound Interface | |
27 | * | |
28 | * Gen2 | |
29 | * | |
30 | * SCU : Sampling Rate Converter Unit | |
31 | * - SRC : Sampling Rate Converter | |
32 | * - CMD | |
33 | * - CTU : Channel Count Conversion Unit | |
34 | * - MIX : Mixer | |
35 | * - DVC : Digital Volume and Mute Function | |
36 | * SSIU : Serial Sound Interface Unit | |
37 | * - SSI : Serial Sound Interface | |
38 | */ | |
39 | ||
40 | /* | |
41 | * driver data Image | |
42 | * | |
43 | * rsnd_priv | |
44 | * | | |
45 | * | ** this depends on Gen1/Gen2 | |
46 | * | | |
47 | * +- gen | |
48 | * | | |
49 | * | ** these depend on data path | |
50 | * | ** gen and platform data control it | |
51 | * | | |
52 | * +- rdai[0] | |
53 | * | | sru ssiu ssi | |
54 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
55 | * | | | |
56 | * | | sru ssiu ssi | |
57 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
58 | * | | |
59 | * +- rdai[1] | |
60 | * | | sru ssiu ssi | |
61 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
62 | * | | | |
63 | * | | sru ssiu ssi | |
64 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
65 | * ... | |
66 | * | | |
67 | * | ** these control ssi | |
68 | * | | |
69 | * +- ssi | |
70 | * | | | |
71 | * | +- ssi[0] | |
72 | * | +- ssi[1] | |
73 | * | +- ssi[2] | |
74 | * | ... | |
75 | * | | |
ba9c949f | 76 | * | ** these control src |
1536a968 | 77 | * | |
ba9c949f | 78 | * +- src |
1536a968 | 79 | * | |
ba9c949f KM |
80 | * +- src[0] |
81 | * +- src[1] | |
82 | * +- src[2] | |
1536a968 KM |
83 | * ... |
84 | * | |
85 | * | |
86 | * for_each_rsnd_dai(xx, priv, xx) | |
87 | * rdai[0] => rdai[1] => rdai[2] => ... | |
88 | * | |
89 | * for_each_rsnd_mod(xx, rdai, xx) | |
90 | * [mod] => [mod] => [mod] => ... | |
91 | * | |
92 | * rsnd_dai_call(xxx, fn ) | |
93 | * [mod]->fn() -> [mod]->fn() -> [mod]->fn()... | |
94 | * | |
95 | */ | |
96 | #include <linux/pm_runtime.h> | |
97 | #include "rsnd.h" | |
98 | ||
99 | #define RSND_RATES SNDRV_PCM_RATE_8000_96000 | |
100 | #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) | |
101 | ||
969b8619 | 102 | static const struct rsnd_of_data rsnd_of_data_gen1 = { |
90e8e50f KM |
103 | .flags = RSND_GEN1, |
104 | }; | |
105 | ||
969b8619 | 106 | static const struct rsnd_of_data rsnd_of_data_gen2 = { |
90e8e50f KM |
107 | .flags = RSND_GEN2, |
108 | }; | |
109 | ||
33187fb4 | 110 | static const struct of_device_id rsnd_of_match[] = { |
90e8e50f KM |
111 | { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 }, |
112 | { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 }, | |
113 | {}, | |
114 | }; | |
115 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
116 | ||
1536a968 KM |
117 | /* |
118 | * rsnd_platform functions | |
119 | */ | |
120 | #define rsnd_platform_call(priv, dai, func, param...) \ | |
740ad6c3 | 121 | (!(priv->info->func) ? 0 : \ |
1536a968 KM |
122 | priv->info->func(param)) |
123 | ||
389933d9 KM |
124 | #define rsnd_is_enable_path(io, name) \ |
125 | ((io)->info ? (io)->info->name : NULL) | |
126 | #define rsnd_info_id(priv, io, name) \ | |
127 | ((io)->info->name - priv->info->name##_info) | |
128 | ||
cdaa3cdf KM |
129 | /* |
130 | * rsnd_mod functions | |
131 | */ | |
132 | char *rsnd_mod_name(struct rsnd_mod *mod) | |
133 | { | |
134 | if (!mod || !mod->ops) | |
135 | return "unknown"; | |
136 | ||
137 | return mod->ops->name; | |
138 | } | |
139 | ||
9b99e9a7 KM |
140 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
141 | struct rsnd_mod *mod) | |
d9288d0b | 142 | { |
72adc61f KM |
143 | if (!mod || !mod->ops || !mod->ops->dma_req) |
144 | return NULL; | |
d9288d0b | 145 | |
9b99e9a7 | 146 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
147 | } |
148 | ||
2099bc8e KM |
149 | int rsnd_mod_init(struct rsnd_priv *priv, |
150 | struct rsnd_mod *mod, | |
cdaa3cdf | 151 | struct rsnd_mod_ops *ops, |
85642952 | 152 | struct clk *clk, |
a126021d | 153 | enum rsnd_mod_type type, |
cdaa3cdf KM |
154 | int id) |
155 | { | |
2f78dd7f KM |
156 | int ret = clk_prepare(clk); |
157 | ||
158 | if (ret) | |
159 | return ret; | |
160 | ||
cdaa3cdf KM |
161 | mod->id = id; |
162 | mod->ops = ops; | |
a126021d | 163 | mod->type = type; |
85642952 | 164 | mod->clk = clk; |
2099bc8e | 165 | mod->priv = priv; |
2f78dd7f KM |
166 | |
167 | return ret; | |
168 | } | |
169 | ||
170 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
171 | { | |
172 | if (mod->clk) | |
173 | clk_unprepare(mod->clk); | |
cdaa3cdf KM |
174 | } |
175 | ||
f501b7a4 KM |
176 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
177 | void (*callback)(struct rsnd_mod *mod, | |
178 | struct rsnd_dai_stream *io)) | |
179 | { | |
180 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
181 | struct rsnd_dai_stream *io; | |
182 | struct rsnd_dai *rdai; | |
183 | int i, j; | |
184 | ||
185 | for_each_rsnd_dai(rdai, priv, j) { | |
186 | ||
187 | for (i = 0; i < RSND_MOD_MAX; i++) { | |
188 | io = &rdai->playback; | |
189 | if (mod == io->mod[i]) | |
190 | callback(mod, io); | |
191 | ||
192 | io = &rdai->capture; | |
193 | if (mod == io->mod[i]) | |
194 | callback(mod, io); | |
195 | } | |
196 | } | |
197 | } | |
198 | ||
d5bbe7de | 199 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 200 | { |
02299d98 KM |
201 | /* see rsnd_dai_stream_init/quit() */ |
202 | return !!io->substream; | |
203 | } | |
204 | ||
d7bdbc5d KM |
205 | /* |
206 | * settting function | |
207 | */ | |
4e2639ff | 208 | u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
209 | { |
210 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
211 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
212 | struct device *dev = rsnd_priv_to_dev(priv); | |
213 | u32 adinr = runtime->channels; | |
214 | ||
215 | switch (runtime->sample_bits) { | |
216 | case 16: | |
217 | adinr |= (8 << 16); | |
218 | break; | |
219 | case 32: | |
220 | adinr |= (0 << 16); | |
221 | break; | |
222 | default: | |
223 | dev_warn(dev, "not supported sample bits\n"); | |
224 | return 0; | |
225 | } | |
226 | ||
227 | return adinr; | |
228 | } | |
229 | ||
1536a968 KM |
230 | /* |
231 | * rsnd_dai functions | |
232 | */ | |
2c0fac19 | 233 | #define __rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
234 | ({ \ |
235 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
236 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
5451ea44 KM |
237 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
238 | u8 val = (mod->status >> __rsnd_mod_shift_##func) & 0xF; \ | |
239 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ | |
417f9642 | 240 | int ret = 0; \ |
5451ea44 KM |
241 | int called = 0; \ |
242 | if (val == __rsnd_mod_call_##func) { \ | |
243 | called = 1; \ | |
2c0fac19 | 244 | ret = (mod)->ops->func(mod, io, param); \ |
417f9642 | 245 | } \ |
a48e3f97 KM |
246 | mod->status = (mod->status & ~mask) + \ |
247 | (add << __rsnd_mod_shift_##func); \ | |
5451ea44 KM |
248 | dev_dbg(dev, "%s[%d] 0x%08x %s\n", \ |
249 | rsnd_mod_name(mod), rsnd_mod_id(mod), mod->status, \ | |
250 | called ? #func : ""); \ | |
417f9642 | 251 | ret; \ |
d870a91e KM |
252 | }) |
253 | ||
2c0fac19 | 254 | #define rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
255 | (!(mod) ? -ENODEV : \ |
256 | !((mod)->ops->func) ? 0 : \ | |
2c0fac19 | 257 | __rsnd_mod_call(mod, io, func, param)) |
d870a91e | 258 | |
690602fc | 259 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 260 | ({ \ |
a126021d KM |
261 | struct rsnd_mod *mod; \ |
262 | int ret = 0, i; \ | |
263 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
264 | mod = (io)->mod[i]; \ | |
265 | if (!mod) \ | |
266 | continue; \ | |
2c0fac19 | 267 | ret = rsnd_mod_call(mod, io, fn, param); \ |
d870a91e KM |
268 | if (ret < 0) \ |
269 | break; \ | |
270 | } \ | |
271 | ret; \ | |
cdaa3cdf KM |
272 | }) |
273 | ||
a126021d | 274 | static int rsnd_dai_connect(struct rsnd_mod *mod, |
9bfed6cf | 275 | struct rsnd_dai_stream *io) |
cdaa3cdf | 276 | { |
6020779b | 277 | if (!mod) |
cdaa3cdf | 278 | return -EIO; |
cdaa3cdf | 279 | |
a126021d | 280 | io->mod[mod->type] = mod; |
cdaa3cdf KM |
281 | |
282 | return 0; | |
283 | } | |
284 | ||
d3a76823 KM |
285 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
286 | struct rsnd_dai_stream *io) | |
287 | { | |
d3a76823 KM |
288 | io->mod[mod->type] = NULL; |
289 | } | |
290 | ||
710d0889 | 291 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 292 | { |
ecba9e72 | 293 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
294 | return NULL; |
295 | ||
1536a968 KM |
296 | return priv->rdai + id; |
297 | } | |
298 | ||
eb2535f5 | 299 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
300 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
301 | { | |
eb2535f5 | 302 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 303 | |
710d0889 | 304 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
305 | } |
306 | ||
1536a968 KM |
307 | /* |
308 | * rsnd_soc_dai functions | |
309 | */ | |
310 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
311 | { | |
312 | struct snd_pcm_substream *substream = io->substream; | |
313 | struct snd_pcm_runtime *runtime = substream->runtime; | |
314 | int pos = io->byte_pos + additional; | |
315 | ||
316 | pos %= (runtime->periods * io->byte_per_period); | |
317 | ||
318 | return pos; | |
319 | } | |
320 | ||
75defee0 | 321 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
322 | { |
323 | io->byte_pos += byte; | |
324 | ||
325 | if (io->byte_pos >= io->next_period_byte) { | |
326 | struct snd_pcm_substream *substream = io->substream; | |
327 | struct snd_pcm_runtime *runtime = substream->runtime; | |
328 | ||
329 | io->period_pos++; | |
330 | io->next_period_byte += io->byte_per_period; | |
331 | ||
332 | if (io->period_pos >= runtime->periods) { | |
333 | io->byte_pos = 0; | |
334 | io->period_pos = 0; | |
335 | io->next_period_byte = io->byte_per_period; | |
336 | } | |
337 | ||
75defee0 | 338 | return true; |
1536a968 | 339 | } |
75defee0 KM |
340 | |
341 | return false; | |
342 | } | |
343 | ||
344 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
345 | { | |
346 | struct snd_pcm_substream *substream = io->substream; | |
347 | ||
348 | /* | |
349 | * this function should be called... | |
350 | * | |
351 | * - if rsnd_dai_pointer_update() returns true | |
352 | * - without spin lock | |
353 | */ | |
354 | ||
355 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
356 | } |
357 | ||
5626ad08 | 358 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
359 | struct snd_pcm_substream *substream) |
360 | { | |
361 | struct snd_pcm_runtime *runtime = substream->runtime; | |
362 | ||
1536a968 KM |
363 | io->substream = substream; |
364 | io->byte_pos = 0; | |
365 | io->period_pos = 0; | |
366 | io->byte_per_period = runtime->period_size * | |
367 | runtime->channels * | |
368 | samples_to_bytes(runtime, 1); | |
369 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 370 | } |
1536a968 | 371 | |
5626ad08 KM |
372 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
373 | { | |
374 | io->substream = NULL; | |
1536a968 KM |
375 | } |
376 | ||
377 | static | |
378 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
379 | { | |
380 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
381 | ||
382 | return rtd->cpu_dai; | |
383 | } | |
384 | ||
385 | static | |
386 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
387 | struct snd_pcm_substream *substream) | |
388 | { | |
389 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
390 | return &rdai->playback; | |
391 | else | |
392 | return &rdai->capture; | |
393 | } | |
394 | ||
395 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
396 | struct snd_soc_dai *dai) | |
397 | { | |
eb2535f5 | 398 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
399 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
400 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 401 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
402 | int ret; |
403 | unsigned long flags; | |
404 | ||
02299d98 | 405 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
406 | |
407 | switch (cmd) { | |
408 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 409 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
410 | |
411 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
412 | if (ret < 0) | |
413 | goto dai_trigger_end; | |
414 | ||
690602fc | 415 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
416 | if (ret < 0) |
417 | goto dai_trigger_end; | |
418 | ||
690602fc | 419 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
420 | if (ret < 0) |
421 | goto dai_trigger_end; | |
1536a968 KM |
422 | break; |
423 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 424 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf KM |
425 | if (ret < 0) |
426 | goto dai_trigger_end; | |
427 | ||
690602fc | 428 | ret = rsnd_dai_call(quit, io, priv); |
cdaa3cdf KM |
429 | if (ret < 0) |
430 | goto dai_trigger_end; | |
431 | ||
3337744a KM |
432 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
433 | if (ret < 0) | |
434 | goto dai_trigger_end; | |
5626ad08 KM |
435 | |
436 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
437 | break; |
438 | default: | |
439 | ret = -EINVAL; | |
440 | } | |
441 | ||
442 | dai_trigger_end: | |
02299d98 | 443 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
444 | |
445 | return ret; | |
446 | } | |
447 | ||
448 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
449 | { | |
450 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
451 | ||
452 | /* set master/slave audio interface */ | |
453 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
454 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 455 | rdai->clk_master = 0; |
1536a968 KM |
456 | break; |
457 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 458 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
459 | break; |
460 | default: | |
461 | return -EINVAL; | |
462 | } | |
463 | ||
1536a968 KM |
464 | /* set format */ |
465 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
466 | case SND_SOC_DAIFMT_I2S: | |
467 | rdai->sys_delay = 0; | |
468 | rdai->data_alignment = 0; | |
1a7889ca | 469 | rdai->frm_clk_inv = 0; |
1536a968 KM |
470 | break; |
471 | case SND_SOC_DAIFMT_LEFT_J: | |
472 | rdai->sys_delay = 1; | |
473 | rdai->data_alignment = 0; | |
1a7889ca | 474 | rdai->frm_clk_inv = 1; |
1536a968 KM |
475 | break; |
476 | case SND_SOC_DAIFMT_RIGHT_J: | |
477 | rdai->sys_delay = 1; | |
478 | rdai->data_alignment = 1; | |
1a7889ca KM |
479 | rdai->frm_clk_inv = 1; |
480 | break; | |
481 | } | |
482 | ||
483 | /* set clock inversion */ | |
484 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
485 | case SND_SOC_DAIFMT_NB_IF: | |
486 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
487 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
488 | break; | |
489 | case SND_SOC_DAIFMT_IB_NF: | |
490 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
491 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
492 | break; | |
493 | case SND_SOC_DAIFMT_IB_IF: | |
494 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
495 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
496 | break; | |
497 | case SND_SOC_DAIFMT_NB_NF: | |
498 | default: | |
1536a968 KM |
499 | break; |
500 | } | |
501 | ||
502 | return 0; | |
503 | } | |
504 | ||
505 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
506 | .trigger = rsnd_soc_dai_trigger, | |
507 | .set_fmt = rsnd_soc_dai_set_fmt, | |
508 | }; | |
509 | ||
c8cf15f6 | 510 | #define rsnd_path_add(priv, io, type) \ |
739f9502 KM |
511 | ({ \ |
512 | struct rsnd_mod *mod; \ | |
513 | int ret = 0; \ | |
514 | int id = -1; \ | |
515 | \ | |
516 | if (rsnd_is_enable_path(io, type)) { \ | |
517 | id = rsnd_info_id(priv, io, type); \ | |
518 | if (id >= 0) { \ | |
519 | mod = rsnd_##type##_mod_get(priv, id); \ | |
520 | ret = rsnd_dai_connect(mod, io); \ | |
521 | } \ | |
522 | } \ | |
523 | ret; \ | |
524 | }) | |
525 | ||
c8cf15f6 | 526 | #define rsnd_path_remove(priv, io, type) \ |
d3a76823 KM |
527 | { \ |
528 | struct rsnd_mod *mod; \ | |
529 | int id = -1; \ | |
530 | \ | |
531 | if (rsnd_is_enable_path(io, type)) { \ | |
532 | id = rsnd_info_id(priv, io, type); \ | |
533 | if (id >= 0) { \ | |
534 | mod = rsnd_##type##_mod_get(priv, id); \ | |
535 | rsnd_dai_disconnect(mod, io); \ | |
536 | } \ | |
537 | } \ | |
538 | } | |
539 | ||
e2c08416 KM |
540 | void rsnd_path_parse(struct rsnd_priv *priv, |
541 | struct rsnd_dai_stream *io) | |
542 | { | |
543 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
544 | struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io); | |
545 | int src_id = rsnd_mod_id(src); | |
546 | u32 path[] = { | |
547 | [0] = 0x30000, | |
548 | [1] = 0x30001, | |
549 | [2] = 0x40000, | |
550 | [3] = 0x10000, | |
551 | [4] = 0x20000, | |
552 | [5] = 0x40100 | |
553 | }; | |
554 | ||
555 | /* Gen1 is not supported */ | |
556 | if (rsnd_is_gen1(priv)) | |
557 | return; | |
558 | ||
559 | rsnd_mod_write(dvc, CMD_ROUTE_SLCT, path[src_id]); | |
560 | } | |
561 | ||
9bfed6cf KM |
562 | static int rsnd_path_init(struct rsnd_priv *priv, |
563 | struct rsnd_dai *rdai, | |
564 | struct rsnd_dai_stream *io) | |
565 | { | |
9bfed6cf | 566 | int ret; |
9bfed6cf KM |
567 | |
568 | /* | |
569 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
570 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
571 | * | |
572 | * Easy image is.. | |
573 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
574 | * | |
575 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
576 | * using fixed path. | |
9bfed6cf | 577 | */ |
9bfed6cf | 578 | |
ba9c949f | 579 | /* SRC */ |
c8cf15f6 | 580 | ret = rsnd_path_add(priv, io, src); |
739f9502 KM |
581 | if (ret < 0) |
582 | return ret; | |
9bfed6cf KM |
583 | |
584 | /* SSI */ | |
c8cf15f6 | 585 | ret = rsnd_path_add(priv, io, ssi); |
739f9502 KM |
586 | if (ret < 0) |
587 | return ret; | |
9bfed6cf | 588 | |
bff58ea4 | 589 | /* DVC */ |
c8cf15f6 | 590 | ret = rsnd_path_add(priv, io, dvc); |
bff58ea4 KM |
591 | if (ret < 0) |
592 | return ret; | |
9bfed6cf KM |
593 | |
594 | return ret; | |
595 | } | |
596 | ||
90e8e50f KM |
597 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
598 | const struct rsnd_of_data *of_data, | |
599 | struct rsnd_priv *priv) | |
600 | { | |
601 | struct device_node *dai_node, *dai_np; | |
602 | struct device_node *ssi_node, *ssi_np; | |
603 | struct device_node *src_node, *src_np; | |
34cb6123 | 604 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
605 | struct device_node *playback, *capture; |
606 | struct rsnd_dai_platform_info *dai_info; | |
607 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
608 | struct device *dev = &pdev->dev; | |
609 | int nr, i; | |
34cb6123 | 610 | int dai_i, ssi_i, src_i, dvc_i; |
90e8e50f KM |
611 | |
612 | if (!of_data) | |
613 | return; | |
614 | ||
615 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
616 | if (!dai_node) | |
617 | return; | |
618 | ||
619 | nr = of_get_child_count(dai_node); | |
620 | if (!nr) | |
621 | return; | |
622 | ||
623 | dai_info = devm_kzalloc(dev, | |
624 | sizeof(struct rsnd_dai_platform_info) * nr, | |
625 | GFP_KERNEL); | |
626 | if (!dai_info) { | |
627 | dev_err(dev, "dai info allocation error\n"); | |
628 | return; | |
629 | } | |
630 | ||
631 | info->dai_info_nr = nr; | |
632 | info->dai_info = dai_info; | |
633 | ||
634 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
635 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
34cb6123 | 636 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
637 | |
638 | #define mod_parse(name) \ | |
639 | if (name##_node) { \ | |
640 | struct rsnd_##name##_platform_info *name##_info; \ | |
641 | \ | |
642 | name##_i = 0; \ | |
643 | for_each_child_of_node(name##_node, name##_np) { \ | |
644 | name##_info = info->name##_info + name##_i; \ | |
645 | \ | |
646 | if (name##_np == playback) \ | |
647 | dai_info->playback.name = name##_info; \ | |
648 | if (name##_np == capture) \ | |
649 | dai_info->capture.name = name##_info; \ | |
650 | \ | |
651 | name##_i++; \ | |
652 | } \ | |
653 | } | |
654 | ||
655 | /* | |
656 | * parse all dai | |
657 | */ | |
658 | dai_i = 0; | |
659 | for_each_child_of_node(dai_node, dai_np) { | |
660 | dai_info = info->dai_info + dai_i; | |
661 | ||
662 | for (i = 0;; i++) { | |
663 | ||
664 | playback = of_parse_phandle(dai_np, "playback", i); | |
665 | capture = of_parse_phandle(dai_np, "capture", i); | |
666 | ||
667 | if (!playback && !capture) | |
668 | break; | |
669 | ||
670 | mod_parse(ssi); | |
671 | mod_parse(src); | |
34cb6123 | 672 | mod_parse(dvc); |
90e8e50f | 673 | |
a493b6a6 JL |
674 | of_node_put(playback); |
675 | of_node_put(capture); | |
90e8e50f KM |
676 | } |
677 | ||
678 | dai_i++; | |
679 | } | |
680 | } | |
681 | ||
1536a968 | 682 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 683 | const struct rsnd_of_data *of_data, |
1536a968 KM |
684 | struct rsnd_priv *priv) |
685 | { | |
686 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 687 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 688 | struct rsnd_dai *rdai; |
29e69fd2 | 689 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 690 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 691 | int dai_nr; |
4b4dab82 KM |
692 | int i; |
693 | ||
90e8e50f KM |
694 | rsnd_of_parse_dai(pdev, of_data, priv); |
695 | ||
90e8e50f | 696 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
697 | if (!dai_nr) { |
698 | dev_err(dev, "no dai\n"); | |
699 | return -EIO; | |
700 | } | |
1536a968 KM |
701 | |
702 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
703 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
704 | if (!drv || !rdai) { | |
705 | dev_err(dev, "dai allocate failed\n"); | |
706 | return -ENOMEM; | |
707 | } | |
708 | ||
ecba9e72 | 709 | priv->rdai_nr = dai_nr; |
49848073 KM |
710 | priv->daidrv = drv; |
711 | priv->rdai = rdai; | |
712 | ||
1536a968 | 713 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 714 | |
7c57d76f KM |
715 | pmod = info->dai_info[i].playback.ssi; |
716 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
717 | |
718 | /* | |
719 | * init rsnd_dai | |
720 | */ | |
1536a968 | 721 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 722 | rdai[i].priv = priv; |
1536a968 KM |
723 | |
724 | /* | |
725 | * init snd_soc_dai_driver | |
726 | */ | |
727 | drv[i].name = rdai[i].name; | |
728 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 729 | if (pmod) { |
f8c3c309 KM |
730 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
731 | "DAI%d Playback", i); | |
732 | ||
1536a968 KM |
733 | drv[i].playback.rates = RSND_RATES; |
734 | drv[i].playback.formats = RSND_FMTS; | |
735 | drv[i].playback.channels_min = 2; | |
736 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 737 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 738 | |
29e69fd2 | 739 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 740 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 741 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 742 | } |
4b4dab82 | 743 | if (cmod) { |
f8c3c309 KM |
744 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
745 | "DAI%d Capture", i); | |
746 | ||
1536a968 KM |
747 | drv[i].capture.rates = RSND_RATES; |
748 | drv[i].capture.formats = RSND_FMTS; | |
749 | drv[i].capture.channels_min = 2; | |
750 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 751 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 752 | |
29e69fd2 | 753 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 754 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 755 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
756 | } |
757 | ||
4b4dab82 KM |
758 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
759 | pmod ? "play" : " -- ", | |
760 | cmod ? "capture" : " -- "); | |
1536a968 KM |
761 | } |
762 | ||
1536a968 KM |
763 | return 0; |
764 | } | |
765 | ||
1536a968 KM |
766 | /* |
767 | * pcm ops | |
768 | */ | |
769 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
770 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
771 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 772 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
773 | .buffer_bytes_max = 64 * 1024, |
774 | .period_bytes_min = 32, | |
775 | .period_bytes_max = 8192, | |
776 | .periods_min = 1, | |
777 | .periods_max = 32, | |
778 | .fifo_size = 256, | |
779 | }; | |
780 | ||
781 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
782 | { | |
783 | struct snd_pcm_runtime *runtime = substream->runtime; | |
784 | int ret = 0; | |
785 | ||
786 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
787 | ||
788 | ret = snd_pcm_hw_constraint_integer(runtime, | |
789 | SNDRV_PCM_HW_PARAM_PERIODS); | |
790 | ||
791 | return ret; | |
792 | } | |
793 | ||
794 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
795 | struct snd_pcm_hw_params *hw_params) | |
796 | { | |
3b7843ff KM |
797 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
798 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
799 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
800 | int ret; | |
801 | ||
802 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
803 | if (ret) | |
804 | return ret; | |
805 | ||
1536a968 KM |
806 | return snd_pcm_lib_malloc_pages(substream, |
807 | params_buffer_bytes(hw_params)); | |
808 | } | |
809 | ||
810 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
811 | { | |
812 | struct snd_pcm_runtime *runtime = substream->runtime; | |
813 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
814 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
815 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
816 | ||
817 | return bytes_to_frames(runtime, io->byte_pos); | |
818 | } | |
819 | ||
820 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
821 | .open = rsnd_pcm_open, | |
822 | .ioctl = snd_pcm_lib_ioctl, | |
823 | .hw_params = rsnd_hw_params, | |
824 | .hw_free = snd_pcm_lib_free_pages, | |
825 | .pointer = rsnd_pointer, | |
826 | }; | |
827 | ||
170a2497 KM |
828 | /* |
829 | * snd_kcontrol | |
830 | */ | |
831 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
832 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
833 | struct snd_ctl_elem_info *uinfo) | |
834 | { | |
835 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
836 | ||
837 | if (cfg->texts) { | |
838 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
839 | uinfo->count = cfg->size; | |
840 | uinfo->value.enumerated.items = cfg->max; | |
841 | if (uinfo->value.enumerated.item >= cfg->max) | |
842 | uinfo->value.enumerated.item = cfg->max - 1; | |
843 | strlcpy(uinfo->value.enumerated.name, | |
844 | cfg->texts[uinfo->value.enumerated.item], | |
845 | sizeof(uinfo->value.enumerated.name)); | |
846 | } else { | |
847 | uinfo->count = cfg->size; | |
848 | uinfo->value.integer.min = 0; | |
849 | uinfo->value.integer.max = cfg->max; | |
850 | uinfo->type = (cfg->max == 1) ? | |
851 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
852 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
853 | } | |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
858 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
859 | struct snd_ctl_elem_value *uc) | |
860 | { | |
861 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
862 | int i; | |
863 | ||
864 | for (i = 0; i < cfg->size; i++) | |
865 | if (cfg->texts) | |
866 | uc->value.enumerated.item[i] = cfg->val[i]; | |
867 | else | |
868 | uc->value.integer.value[i] = cfg->val[i]; | |
869 | ||
870 | return 0; | |
871 | } | |
872 | ||
873 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
874 | struct snd_ctl_elem_value *uc) | |
875 | { | |
876 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
877 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
878 | int i, change = 0; | |
879 | ||
880 | for (i = 0; i < cfg->size; i++) { | |
881 | if (cfg->texts) { | |
882 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
883 | cfg->val[i] = uc->value.enumerated.item[i]; | |
884 | } else { | |
885 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
886 | cfg->val[i] = uc->value.integer.value[i]; | |
887 | } | |
888 | } | |
889 | ||
890 | if (change) | |
b65a7ccc | 891 | cfg->update(cfg->io, mod); |
170a2497 KM |
892 | |
893 | return change; | |
894 | } | |
895 | ||
896 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 897 | struct rsnd_dai_stream *io, |
170a2497 KM |
898 | struct snd_soc_pcm_runtime *rtd, |
899 | const unsigned char *name, | |
900 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
901 | void (*update)(struct rsnd_dai_stream *io, |
902 | struct rsnd_mod *mod)) | |
170a2497 | 903 | { |
da620d72 | 904 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
905 | struct snd_card *card = rtd->card->snd_card; |
906 | struct snd_kcontrol *kctrl; | |
907 | struct snd_kcontrol_new knew = { | |
908 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
909 | .name = name, | |
910 | .info = rsnd_kctrl_info, | |
da620d72 | 911 | .index = rtd - soc_card->rtd, |
170a2497 KM |
912 | .get = rsnd_kctrl_get, |
913 | .put = rsnd_kctrl_put, | |
914 | .private_value = (unsigned long)cfg, | |
915 | }; | |
916 | int ret; | |
917 | ||
918 | kctrl = snd_ctl_new1(&knew, mod); | |
919 | if (!kctrl) | |
920 | return -ENOMEM; | |
921 | ||
922 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
923 | if (ret < 0) { |
924 | snd_ctl_free_one(kctrl); | |
170a2497 | 925 | return ret; |
d1f83d6e | 926 | } |
170a2497 KM |
927 | |
928 | cfg->update = update; | |
d1f83d6e KM |
929 | cfg->card = card; |
930 | cfg->kctrl = kctrl; | |
b65a7ccc | 931 | cfg->io = io; |
170a2497 KM |
932 | |
933 | return 0; | |
934 | } | |
935 | ||
d1f83d6e KM |
936 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
937 | { | |
938 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
939 | } | |
940 | ||
170a2497 | 941 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 942 | struct rsnd_dai_stream *io, |
170a2497 KM |
943 | struct snd_soc_pcm_runtime *rtd, |
944 | const unsigned char *name, | |
b65a7ccc KM |
945 | void (*update)(struct rsnd_dai_stream *io, |
946 | struct rsnd_mod *mod), | |
170a2497 KM |
947 | struct rsnd_kctrl_cfg_m *_cfg, |
948 | u32 max) | |
949 | { | |
950 | _cfg->cfg.max = max; | |
951 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
952 | _cfg->cfg.val = _cfg->val; | |
b65a7ccc | 953 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
954 | } |
955 | ||
956 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 957 | struct rsnd_dai_stream *io, |
170a2497 KM |
958 | struct snd_soc_pcm_runtime *rtd, |
959 | const unsigned char *name, | |
b65a7ccc KM |
960 | void (*update)(struct rsnd_dai_stream *io, |
961 | struct rsnd_mod *mod), | |
170a2497 KM |
962 | struct rsnd_kctrl_cfg_s *_cfg, |
963 | u32 max) | |
964 | { | |
965 | _cfg->cfg.max = max; | |
966 | _cfg->cfg.size = 1; | |
967 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 968 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
969 | } |
970 | ||
971 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 972 | struct rsnd_dai_stream *io, |
170a2497 KM |
973 | struct snd_soc_pcm_runtime *rtd, |
974 | const unsigned char *name, | |
975 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
976 | void (*update)(struct rsnd_dai_stream *io, |
977 | struct rsnd_mod *mod), | |
170a2497 KM |
978 | const char * const *texts, |
979 | u32 max) | |
980 | { | |
981 | _cfg->cfg.max = max; | |
982 | _cfg->cfg.size = 1; | |
983 | _cfg->cfg.val = &_cfg->val; | |
984 | _cfg->cfg.texts = texts; | |
b65a7ccc | 985 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
986 | } |
987 | ||
1536a968 KM |
988 | /* |
989 | * snd_soc_platform | |
990 | */ | |
991 | ||
992 | #define PREALLOC_BUFFER (32 * 1024) | |
993 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
994 | ||
995 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
996 | { | |
7c63f3c0 KM |
997 | struct snd_soc_dai *dai = rtd->cpu_dai; |
998 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 999 | int ret; |
bff58ea4 | 1000 | |
ae11a9be KM |
1001 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1002 | if (ret) | |
1003 | return ret; | |
bff58ea4 | 1004 | |
ae11a9be | 1005 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1006 | if (ret) |
1007 | return ret; | |
bff58ea4 | 1008 | |
1536a968 KM |
1009 | return snd_pcm_lib_preallocate_pages_for_all( |
1010 | rtd->pcm, | |
1011 | SNDRV_DMA_TYPE_DEV, | |
1012 | rtd->card->snd_card->dev, | |
1013 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
1014 | } | |
1015 | ||
1536a968 KM |
1016 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1017 | .ops = &rsnd_pcm_ops, | |
1018 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1019 | }; |
1020 | ||
1021 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1022 | .name = "rsnd", | |
1023 | }; | |
1024 | ||
d3a76823 | 1025 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1026 | struct rsnd_dai_stream *io) |
d3a76823 | 1027 | { |
d3a76823 KM |
1028 | int ret; |
1029 | ||
690602fc | 1030 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1031 | if (ret == -EAGAIN) { |
1032 | /* | |
1033 | * Fallback to PIO mode | |
1034 | */ | |
1035 | ||
1036 | /* | |
1037 | * call "remove" for SSI/SRC/DVC | |
1038 | * SSI will be switch to PIO mode if it was DMA mode | |
1039 | * see | |
1040 | * rsnd_dma_init() | |
97463e19 | 1041 | * rsnd_ssi_fallback() |
d3a76823 | 1042 | */ |
690602fc | 1043 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1044 | |
1045 | /* | |
1046 | * remove SRC/DVC from DAI, | |
1047 | */ | |
c8cf15f6 KM |
1048 | rsnd_path_remove(priv, io, src); |
1049 | rsnd_path_remove(priv, io, dvc); | |
d3a76823 | 1050 | |
97463e19 KM |
1051 | /* |
1052 | * fallback | |
1053 | */ | |
690602fc | 1054 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1055 | |
d3a76823 KM |
1056 | /* |
1057 | * retry to "probe". | |
1058 | * DAI has SSI which is PIO mode only now. | |
1059 | */ | |
690602fc | 1060 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1061 | } |
1062 | ||
1063 | return ret; | |
1064 | } | |
1065 | ||
1536a968 KM |
1066 | /* |
1067 | * rsnd probe | |
1068 | */ | |
1069 | static int rsnd_probe(struct platform_device *pdev) | |
1070 | { | |
1071 | struct rcar_snd_info *info; | |
1072 | struct rsnd_priv *priv; | |
1073 | struct device *dev = &pdev->dev; | |
7681f6ac | 1074 | struct rsnd_dai *rdai; |
90e8e50f KM |
1075 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1076 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1077 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1078 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1079 | struct rsnd_priv *priv) = { |
1080 | rsnd_gen_probe, | |
288f392e | 1081 | rsnd_dma_probe, |
d1ac970f | 1082 | rsnd_ssi_probe, |
ba9c949f | 1083 | rsnd_src_probe, |
bff58ea4 | 1084 | rsnd_dvc_probe, |
d1ac970f KM |
1085 | rsnd_adg_probe, |
1086 | rsnd_dai_probe, | |
1087 | }; | |
1088 | int ret, i; | |
1536a968 | 1089 | |
90e8e50f KM |
1090 | info = NULL; |
1091 | of_data = NULL; | |
1092 | if (of_id) { | |
1093 | info = devm_kzalloc(&pdev->dev, | |
1094 | sizeof(struct rcar_snd_info), GFP_KERNEL); | |
1095 | of_data = of_id->data; | |
1096 | } else { | |
1097 | info = pdev->dev.platform_data; | |
1098 | } | |
1099 | ||
1536a968 KM |
1100 | if (!info) { |
1101 | dev_err(dev, "driver needs R-Car sound information\n"); | |
1102 | return -ENODEV; | |
1103 | } | |
1104 | ||
1105 | /* | |
1106 | * init priv data | |
1107 | */ | |
1108 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1109 | if (!priv) { | |
1110 | dev_err(dev, "priv allocate failed\n"); | |
1111 | return -ENODEV; | |
1112 | } | |
1113 | ||
9f464f8e | 1114 | priv->pdev = pdev; |
1536a968 KM |
1115 | priv->info = info; |
1116 | spin_lock_init(&priv->lock); | |
1117 | ||
1118 | /* | |
1119 | * init each module | |
1120 | */ | |
d1ac970f | 1121 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1122 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1123 | if (ret) |
1124 | return ret; | |
1125 | } | |
07539c1d | 1126 | |
7681f6ac | 1127 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1128 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1129 | if (ret) |
d62a3dcd | 1130 | goto exit_snd_probe; |
dfc9403b | 1131 | |
f708d944 | 1132 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1133 | if (ret) |
d62a3dcd | 1134 | goto exit_snd_probe; |
7681f6ac | 1135 | } |
4b4dab82 | 1136 | |
0b1f6ec7 KM |
1137 | dev_set_drvdata(dev, priv); |
1138 | ||
1536a968 KM |
1139 | /* |
1140 | * asoc register | |
1141 | */ | |
1142 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1143 | if (ret < 0) { | |
1144 | dev_err(dev, "cannot snd soc register\n"); | |
1145 | return ret; | |
1146 | } | |
1147 | ||
1148 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1149 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1150 | if (ret < 0) { |
1151 | dev_err(dev, "cannot snd dai register\n"); | |
1152 | goto exit_snd_soc; | |
1153 | } | |
1154 | ||
1536a968 KM |
1155 | pm_runtime_enable(dev); |
1156 | ||
1157 | dev_info(dev, "probed\n"); | |
1158 | return ret; | |
1159 | ||
1160 | exit_snd_soc: | |
1161 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1162 | exit_snd_probe: |
1163 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1164 | rsnd_dai_call(remove, &rdai->playback, priv); |
1165 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1166 | } |
1536a968 KM |
1167 | |
1168 | return ret; | |
1169 | } | |
1170 | ||
1171 | static int rsnd_remove(struct platform_device *pdev) | |
1172 | { | |
1173 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1174 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1175 | void (*remove_func[])(struct platform_device *pdev, |
1176 | struct rsnd_priv *priv) = { | |
1177 | rsnd_ssi_remove, | |
1178 | rsnd_src_remove, | |
1179 | rsnd_dvc_remove, | |
1180 | }; | |
d62a3dcd | 1181 | int ret = 0, i; |
1536a968 KM |
1182 | |
1183 | pm_runtime_disable(&pdev->dev); | |
1184 | ||
7681f6ac | 1185 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1186 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1187 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1188 | } |
1536a968 | 1189 | |
2f78dd7f KM |
1190 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1191 | remove_func[i](pdev, priv); | |
1192 | ||
d7c42ff8 KM |
1193 | snd_soc_unregister_component(&pdev->dev); |
1194 | snd_soc_unregister_platform(&pdev->dev); | |
1195 | ||
d62a3dcd | 1196 | return ret; |
1536a968 KM |
1197 | } |
1198 | ||
1199 | static struct platform_driver rsnd_driver = { | |
1200 | .driver = { | |
1201 | .name = "rcar_sound", | |
90e8e50f | 1202 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1203 | }, |
1204 | .probe = rsnd_probe, | |
1205 | .remove = rsnd_remove, | |
1206 | }; | |
1207 | module_platform_driver(rsnd_driver); | |
1208 | ||
1209 | MODULE_LICENSE("GPL"); | |
1210 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1211 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1212 | MODULE_ALIAS("platform:rcar-pcm-audio"); |