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 | ||
33187fb4 | 102 | static const struct of_device_id rsnd_of_match[] = { |
e797f58e KM |
103 | { .compatible = "renesas,rcar_sound-gen1", .data = (void *)RSND_GEN1 }, |
104 | { .compatible = "renesas,rcar_sound-gen2", .data = (void *)RSND_GEN2 }, | |
105 | { .compatible = "renesas,rcar_sound-gen3", .data = (void *)RSND_GEN2 }, /* gen2 compatible */ | |
90e8e50f KM |
106 | {}, |
107 | }; | |
108 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
109 | ||
81ad174d KM |
110 | /* |
111 | * rsnd_mod functions | |
112 | */ | |
f1df1229 KM |
113 | void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) |
114 | { | |
115 | if (mod->type != type) { | |
116 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
117 | struct device *dev = rsnd_priv_to_dev(priv); | |
118 | ||
119 | dev_warn(dev, "%s[%d] is not your expected module\n", | |
120 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
121 | } | |
122 | } | |
123 | ||
cdaa3cdf KM |
124 | char *rsnd_mod_name(struct rsnd_mod *mod) |
125 | { | |
126 | if (!mod || !mod->ops) | |
127 | return "unknown"; | |
128 | ||
129 | return mod->ops->name; | |
130 | } | |
131 | ||
9b99e9a7 KM |
132 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
133 | struct rsnd_mod *mod) | |
d9288d0b | 134 | { |
72adc61f KM |
135 | if (!mod || !mod->ops || !mod->ops->dma_req) |
136 | return NULL; | |
d9288d0b | 137 | |
9b99e9a7 | 138 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
139 | } |
140 | ||
2099bc8e KM |
141 | int rsnd_mod_init(struct rsnd_priv *priv, |
142 | struct rsnd_mod *mod, | |
cdaa3cdf | 143 | struct rsnd_mod_ops *ops, |
85642952 | 144 | struct clk *clk, |
a126021d | 145 | enum rsnd_mod_type type, |
cdaa3cdf KM |
146 | int id) |
147 | { | |
2f78dd7f KM |
148 | int ret = clk_prepare(clk); |
149 | ||
150 | if (ret) | |
151 | return ret; | |
152 | ||
cdaa3cdf KM |
153 | mod->id = id; |
154 | mod->ops = ops; | |
a126021d | 155 | mod->type = type; |
85642952 | 156 | mod->clk = clk; |
2099bc8e | 157 | mod->priv = priv; |
2f78dd7f KM |
158 | |
159 | return ret; | |
160 | } | |
161 | ||
162 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
163 | { | |
164 | if (mod->clk) | |
165 | clk_unprepare(mod->clk); | |
cdaa3cdf KM |
166 | } |
167 | ||
f501b7a4 KM |
168 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
169 | void (*callback)(struct rsnd_mod *mod, | |
170 | struct rsnd_dai_stream *io)) | |
171 | { | |
172 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
173 | struct rsnd_dai_stream *io; | |
174 | struct rsnd_dai *rdai; | |
2daf71ad | 175 | int i; |
f501b7a4 | 176 | |
2daf71ad KM |
177 | for_each_rsnd_dai(rdai, priv, i) { |
178 | io = &rdai->playback; | |
179 | if (mod == io->mod[mod->type]) | |
180 | callback(mod, io); | |
f501b7a4 | 181 | |
2daf71ad KM |
182 | io = &rdai->capture; |
183 | if (mod == io->mod[mod->type]) | |
184 | callback(mod, io); | |
f501b7a4 KM |
185 | } |
186 | } | |
187 | ||
d5bbe7de | 188 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 189 | { |
02299d98 KM |
190 | /* see rsnd_dai_stream_init/quit() */ |
191 | return !!io->substream; | |
192 | } | |
193 | ||
750fd445 KM |
194 | void rsnd_set_slot(struct rsnd_dai *rdai, |
195 | int slots, int num) | |
196 | { | |
197 | rdai->slots = slots; | |
198 | rdai->slots_num = num; | |
199 | } | |
200 | ||
c140284b | 201 | int rsnd_get_slot(struct rsnd_dai_stream *io) |
8ec85e7f | 202 | { |
c140284b KM |
203 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
204 | ||
8ec85e7f KM |
205 | return rdai->slots; |
206 | } | |
207 | ||
750fd445 KM |
208 | int rsnd_get_slot_num(struct rsnd_dai_stream *io) |
209 | { | |
210 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); | |
211 | ||
212 | return rdai->slots_num; | |
213 | } | |
214 | ||
c140284b | 215 | int rsnd_get_slot_width(struct rsnd_dai_stream *io) |
8ec85e7f | 216 | { |
5858a7d1 | 217 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
b4c83b17 KM |
218 | int chan = runtime->channels; |
219 | ||
220 | /* Multi channel Mode */ | |
221 | if (rsnd_ssi_multi_slaves(io)) | |
222 | chan /= rsnd_get_slot_num(io); | |
8ec85e7f KM |
223 | |
224 | /* TDM Extend Mode needs 8ch */ | |
225 | if (chan == 6) | |
226 | chan = 8; | |
227 | ||
228 | return chan; | |
229 | } | |
230 | ||
d7bdbc5d | 231 | /* |
3023b384 | 232 | * ADINR function |
d7bdbc5d | 233 | */ |
3023b384 | 234 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
235 | { |
236 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
237 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
238 | struct device *dev = rsnd_priv_to_dev(priv); | |
d7bdbc5d KM |
239 | |
240 | switch (runtime->sample_bits) { | |
241 | case 16: | |
5e7b9edd | 242 | return 8 << 16; |
d7bdbc5d | 243 | case 32: |
5e7b9edd | 244 | return 0 << 16; |
d7bdbc5d KM |
245 | } |
246 | ||
5e7b9edd KM |
247 | dev_warn(dev, "not supported sample bits\n"); |
248 | ||
249 | return 0; | |
d7bdbc5d KM |
250 | } |
251 | ||
bfe1360d KM |
252 | u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
253 | { | |
254 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
5858a7d1 | 255 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
bfe1360d | 256 | struct device *dev = rsnd_priv_to_dev(priv); |
5858a7d1 | 257 | u32 chan = runtime->channels; |
bfe1360d KM |
258 | |
259 | switch (chan) { | |
260 | case 1: | |
261 | case 2: | |
262 | case 4: | |
263 | case 6: | |
264 | case 8: | |
265 | break; | |
266 | default: | |
267 | dev_warn(dev, "not supported channel\n"); | |
268 | chan = 0; | |
269 | break; | |
270 | } | |
271 | ||
272 | return chan; | |
273 | } | |
4689032b KM |
274 | |
275 | /* | |
276 | * DALIGN function | |
277 | */ | |
278 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
279 | { | |
4689032b | 280 | struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io); |
a504b1ee | 281 | struct rsnd_mod *target; |
4689032b KM |
282 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
283 | u32 val = 0x76543210; | |
284 | u32 mask = ~0; | |
285 | ||
a504b1ee KM |
286 | if (rsnd_io_is_play(io)) { |
287 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
288 | ||
289 | target = src ? src : ssi; | |
290 | } else { | |
291 | struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io); | |
292 | ||
293 | target = cmd ? cmd : ssi; | |
294 | } | |
295 | ||
4689032b KM |
296 | mask <<= runtime->channels * 4; |
297 | val = val & mask; | |
298 | ||
299 | switch (runtime->sample_bits) { | |
300 | case 16: | |
301 | val |= 0x67452301 & ~mask; | |
302 | break; | |
303 | case 32: | |
304 | val |= 0x76543210 & ~mask; | |
305 | break; | |
306 | } | |
307 | ||
308 | /* | |
309 | * exchange channeles on SRC if possible, | |
310 | * otherwise, R/L volume settings on DVC | |
311 | * changes inverted channels | |
312 | */ | |
313 | if (mod == target) | |
314 | return val; | |
315 | else | |
316 | return 0x76543210; | |
317 | } | |
318 | ||
1536a968 KM |
319 | /* |
320 | * rsnd_dai functions | |
321 | */ | |
c2dc47d5 | 322 | #define rsnd_mod_call(idx, io, func, param...) \ |
d870a91e KM |
323 | ({ \ |
324 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
c2dc47d5 | 325 | struct rsnd_mod *mod = (io)->mod[idx]; \ |
d870a91e | 326 | struct device *dev = rsnd_priv_to_dev(priv); \ |
c2dc47d5 | 327 | u32 *status = (io)->mod_status + idx; \ |
5451ea44 | 328 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
c2dc47d5 | 329 | u8 val = (*status >> __rsnd_mod_shift_##func) & 0xF; \ |
5451ea44 | 330 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ |
417f9642 | 331 | int ret = 0; \ |
32a96d55 | 332 | int call = (val == __rsnd_mod_call_##func) && (mod)->ops->func; \ |
c2dc47d5 | 333 | *status = (*status & ~mask) + \ |
a48e3f97 | 334 | (add << __rsnd_mod_shift_##func); \ |
1355720a KM |
335 | dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ |
336 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
c2dc47d5 | 337 | *status, call ? #func : ""); \ |
1355720a KM |
338 | if (call) \ |
339 | ret = (mod)->ops->func(mod, io, param); \ | |
4e880b26 KM |
340 | if (ret) \ |
341 | dev_dbg(dev, "%s[%d] : rsnd_mod_call error %d\n", \ | |
342 | rsnd_mod_name(mod), rsnd_mod_id(mod), ret); \ | |
417f9642 | 343 | ret; \ |
d870a91e KM |
344 | }) |
345 | ||
690602fc | 346 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 347 | ({ \ |
a126021d KM |
348 | struct rsnd_mod *mod; \ |
349 | int ret = 0, i; \ | |
350 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
351 | mod = (io)->mod[i]; \ | |
352 | if (!mod) \ | |
353 | continue; \ | |
c2dc47d5 | 354 | ret |= rsnd_mod_call(i, io, fn, param); \ |
d870a91e KM |
355 | } \ |
356 | ret; \ | |
cdaa3cdf KM |
357 | }) |
358 | ||
27924f32 KM |
359 | int rsnd_dai_connect(struct rsnd_mod *mod, |
360 | struct rsnd_dai_stream *io, | |
361 | enum rsnd_mod_type type) | |
cdaa3cdf | 362 | { |
48725e9c KM |
363 | struct rsnd_priv *priv; |
364 | struct device *dev; | |
84e95355 | 365 | |
6020779b | 366 | if (!mod) |
cdaa3cdf | 367 | return -EIO; |
cdaa3cdf | 368 | |
52dc6852 KM |
369 | if (io->mod[type]) |
370 | return -EINVAL; | |
371 | ||
48725e9c KM |
372 | priv = rsnd_mod_to_priv(mod); |
373 | dev = rsnd_priv_to_dev(priv); | |
374 | ||
27924f32 | 375 | io->mod[type] = mod; |
cdaa3cdf | 376 | |
84e95355 KM |
377 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
378 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
379 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
380 | ||
cdaa3cdf KM |
381 | return 0; |
382 | } | |
383 | ||
d3a76823 | 384 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
385 | struct rsnd_dai_stream *io, |
386 | enum rsnd_mod_type type) | |
d3a76823 | 387 | { |
27924f32 | 388 | io->mod[type] = NULL; |
d3a76823 KM |
389 | } |
390 | ||
710d0889 | 391 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 392 | { |
ecba9e72 | 393 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
394 | return NULL; |
395 | ||
1536a968 KM |
396 | return priv->rdai + id; |
397 | } | |
398 | ||
eb2535f5 | 399 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
400 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
401 | { | |
eb2535f5 | 402 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 403 | |
710d0889 | 404 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
405 | } |
406 | ||
1536a968 KM |
407 | /* |
408 | * rsnd_soc_dai functions | |
409 | */ | |
410 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
411 | { | |
412 | struct snd_pcm_substream *substream = io->substream; | |
413 | struct snd_pcm_runtime *runtime = substream->runtime; | |
414 | int pos = io->byte_pos + additional; | |
415 | ||
416 | pos %= (runtime->periods * io->byte_per_period); | |
417 | ||
418 | return pos; | |
419 | } | |
420 | ||
75defee0 | 421 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
422 | { |
423 | io->byte_pos += byte; | |
424 | ||
425 | if (io->byte_pos >= io->next_period_byte) { | |
426 | struct snd_pcm_substream *substream = io->substream; | |
427 | struct snd_pcm_runtime *runtime = substream->runtime; | |
428 | ||
429 | io->period_pos++; | |
430 | io->next_period_byte += io->byte_per_period; | |
431 | ||
432 | if (io->period_pos >= runtime->periods) { | |
433 | io->byte_pos = 0; | |
434 | io->period_pos = 0; | |
435 | io->next_period_byte = io->byte_per_period; | |
436 | } | |
437 | ||
75defee0 | 438 | return true; |
1536a968 | 439 | } |
75defee0 KM |
440 | |
441 | return false; | |
442 | } | |
443 | ||
444 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
445 | { | |
446 | struct snd_pcm_substream *substream = io->substream; | |
447 | ||
448 | /* | |
449 | * this function should be called... | |
450 | * | |
451 | * - if rsnd_dai_pointer_update() returns true | |
452 | * - without spin lock | |
453 | */ | |
454 | ||
455 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
456 | } |
457 | ||
5626ad08 | 458 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
459 | struct snd_pcm_substream *substream) |
460 | { | |
461 | struct snd_pcm_runtime *runtime = substream->runtime; | |
462 | ||
1536a968 KM |
463 | io->substream = substream; |
464 | io->byte_pos = 0; | |
465 | io->period_pos = 0; | |
466 | io->byte_per_period = runtime->period_size * | |
467 | runtime->channels * | |
468 | samples_to_bytes(runtime, 1); | |
469 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 470 | } |
1536a968 | 471 | |
5626ad08 KM |
472 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
473 | { | |
474 | io->substream = NULL; | |
1536a968 KM |
475 | } |
476 | ||
477 | static | |
478 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
479 | { | |
480 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
481 | ||
482 | return rtd->cpu_dai; | |
483 | } | |
484 | ||
485 | static | |
486 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
487 | struct snd_pcm_substream *substream) | |
488 | { | |
489 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
490 | return &rdai->playback; | |
491 | else | |
492 | return &rdai->capture; | |
493 | } | |
494 | ||
495 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
496 | struct snd_soc_dai *dai) | |
497 | { | |
eb2535f5 | 498 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
499 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
500 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1536a968 KM |
501 | int ret; |
502 | unsigned long flags; | |
503 | ||
02299d98 | 504 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
505 | |
506 | switch (cmd) { | |
507 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 508 | rsnd_dai_stream_init(io, substream); |
1536a968 | 509 | |
690602fc | 510 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
511 | if (ret < 0) |
512 | goto dai_trigger_end; | |
513 | ||
690602fc | 514 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
515 | if (ret < 0) |
516 | goto dai_trigger_end; | |
1536a968 KM |
517 | break; |
518 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 519 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf | 520 | |
89e3e2c3 | 521 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 522 | |
5626ad08 | 523 | rsnd_dai_stream_quit(io); |
1536a968 KM |
524 | break; |
525 | default: | |
526 | ret = -EINVAL; | |
527 | } | |
528 | ||
529 | dai_trigger_end: | |
02299d98 | 530 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
531 | |
532 | return ret; | |
533 | } | |
534 | ||
535 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
536 | { | |
537 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
538 | ||
539 | /* set master/slave audio interface */ | |
540 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
541 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 542 | rdai->clk_master = 0; |
1536a968 KM |
543 | break; |
544 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 545 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
546 | break; |
547 | default: | |
548 | return -EINVAL; | |
549 | } | |
550 | ||
1536a968 KM |
551 | /* set format */ |
552 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
553 | case SND_SOC_DAIFMT_I2S: | |
554 | rdai->sys_delay = 0; | |
555 | rdai->data_alignment = 0; | |
1a7889ca | 556 | rdai->frm_clk_inv = 0; |
1536a968 KM |
557 | break; |
558 | case SND_SOC_DAIFMT_LEFT_J: | |
559 | rdai->sys_delay = 1; | |
560 | rdai->data_alignment = 0; | |
1a7889ca | 561 | rdai->frm_clk_inv = 1; |
1536a968 KM |
562 | break; |
563 | case SND_SOC_DAIFMT_RIGHT_J: | |
564 | rdai->sys_delay = 1; | |
565 | rdai->data_alignment = 1; | |
1a7889ca KM |
566 | rdai->frm_clk_inv = 1; |
567 | break; | |
568 | } | |
569 | ||
570 | /* set clock inversion */ | |
571 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
572 | case SND_SOC_DAIFMT_NB_IF: | |
573 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
574 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
575 | break; | |
576 | case SND_SOC_DAIFMT_IB_NF: | |
577 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
578 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
579 | break; | |
580 | case SND_SOC_DAIFMT_IB_IF: | |
581 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
582 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
583 | break; | |
584 | case SND_SOC_DAIFMT_NB_NF: | |
585 | default: | |
1536a968 KM |
586 | break; |
587 | } | |
588 | ||
589 | return 0; | |
590 | } | |
591 | ||
186fadc1 KM |
592 | static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, |
593 | u32 tx_mask, u32 rx_mask, | |
594 | int slots, int slot_width) | |
595 | { | |
596 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
597 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
598 | struct device *dev = rsnd_priv_to_dev(priv); | |
599 | ||
600 | switch (slots) { | |
601 | case 6: | |
602 | /* TDM Extend Mode */ | |
750fd445 | 603 | rsnd_set_slot(rdai, slots, 1); |
186fadc1 KM |
604 | break; |
605 | default: | |
606 | dev_err(dev, "unsupported TDM slots (%d)\n", slots); | |
607 | return -EINVAL; | |
608 | } | |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
1536a968 KM |
613 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
614 | .trigger = rsnd_soc_dai_trigger, | |
615 | .set_fmt = rsnd_soc_dai_set_fmt, | |
186fadc1 | 616 | .set_tdm_slot = rsnd_soc_set_dai_tdm_slot, |
1536a968 KM |
617 | }; |
618 | ||
89b66174 KM |
619 | void rsnd_parse_connect_common(struct rsnd_dai *rdai, |
620 | struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), | |
621 | struct device_node *node, | |
622 | struct device_node *playback, | |
623 | struct device_node *capture) | |
624 | { | |
625 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
626 | struct device_node *np; | |
627 | struct rsnd_mod *mod; | |
628 | int i; | |
629 | ||
630 | if (!node) | |
631 | return; | |
632 | ||
633 | i = 0; | |
634 | for_each_child_of_node(node, np) { | |
635 | mod = mod_get(priv, i); | |
636 | if (np == playback) | |
637 | rsnd_dai_connect(mod, &rdai->playback, mod->type); | |
638 | if (np == capture) | |
639 | rsnd_dai_connect(mod, &rdai->capture, mod->type); | |
640 | i++; | |
641 | } | |
642 | ||
643 | of_node_put(node); | |
644 | } | |
645 | ||
2ea6b074 | 646 | static int rsnd_dai_probe(struct rsnd_priv *priv) |
90e8e50f | 647 | { |
94e2710c | 648 | struct device_node *dai_node; |
89b66174 | 649 | struct device_node *dai_np; |
90e8e50f | 650 | struct device_node *playback, *capture; |
94e2710c KM |
651 | struct rsnd_dai_stream *io_playback; |
652 | struct rsnd_dai_stream *io_capture; | |
2ff2ecca | 653 | struct snd_soc_dai_driver *rdrv, *drv; |
94e2710c | 654 | struct rsnd_dai *rdai; |
2ea6b074 | 655 | struct device *dev = rsnd_priv_to_dev(priv); |
89b66174 | 656 | int nr, dai_i, io_i; |
94e2710c | 657 | int ret; |
90e8e50f | 658 | |
94e2710c | 659 | dai_node = rsnd_dai_of_node(priv); |
90e8e50f | 660 | nr = of_get_child_count(dai_node); |
94e2710c KM |
661 | if (!nr) { |
662 | ret = -EINVAL; | |
663 | goto rsnd_dai_probe_done; | |
90e8e50f KM |
664 | } |
665 | ||
2ff2ecca | 666 | rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL); |
94e2710c | 667 | rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL); |
2ff2ecca | 668 | if (!rdrv || !rdai) { |
94e2710c KM |
669 | ret = -ENOMEM; |
670 | goto rsnd_dai_probe_done; | |
671 | } | |
90e8e50f | 672 | |
94e2710c | 673 | priv->rdai_nr = nr; |
2ff2ecca | 674 | priv->daidrv = rdrv; |
94e2710c | 675 | priv->rdai = rdai; |
90e8e50f KM |
676 | |
677 | /* | |
678 | * parse all dai | |
679 | */ | |
680 | dai_i = 0; | |
681 | for_each_child_of_node(dai_node, dai_np) { | |
94e2710c | 682 | rdai = rsnd_rdai_get(priv, dai_i); |
2ff2ecca | 683 | drv = rdrv + dai_i; |
94e2710c KM |
684 | io_playback = &rdai->playback; |
685 | io_capture = &rdai->capture; | |
686 | ||
687 | snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i); | |
688 | ||
689 | rdai->priv = priv; | |
690 | drv->name = rdai->name; | |
691 | drv->ops = &rsnd_soc_dai_ops; | |
692 | ||
693 | snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE, | |
694 | "DAI%d Playback", dai_i); | |
695 | drv->playback.rates = RSND_RATES; | |
696 | drv->playback.formats = RSND_FMTS; | |
697 | drv->playback.channels_min = 2; | |
186fadc1 | 698 | drv->playback.channels_max = 6; |
94e2710c KM |
699 | drv->playback.stream_name = rdai->playback.name; |
700 | ||
701 | snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, | |
702 | "DAI%d Capture", dai_i); | |
703 | drv->capture.rates = RSND_RATES; | |
704 | drv->capture.formats = RSND_FMTS; | |
705 | drv->capture.channels_min = 2; | |
186fadc1 | 706 | drv->capture.channels_max = 6; |
94e2710c KM |
707 | drv->capture.stream_name = rdai->capture.name; |
708 | ||
709 | rdai->playback.rdai = rdai; | |
710 | rdai->capture.rdai = rdai; | |
750fd445 | 711 | rsnd_set_slot(rdai, 2, 1); /* default */ |
90e8e50f | 712 | |
94e2710c KM |
713 | for (io_i = 0;; io_i++) { |
714 | playback = of_parse_phandle(dai_np, "playback", io_i); | |
715 | capture = of_parse_phandle(dai_np, "capture", io_i); | |
90e8e50f KM |
716 | |
717 | if (!playback && !capture) | |
718 | break; | |
719 | ||
89b66174 KM |
720 | rsnd_parse_connect_ssi(rdai, playback, capture); |
721 | rsnd_parse_connect_src(rdai, playback, capture); | |
722 | rsnd_parse_connect_ctu(rdai, playback, capture); | |
723 | rsnd_parse_connect_mix(rdai, playback, capture); | |
724 | rsnd_parse_connect_dvc(rdai, playback, capture); | |
90e8e50f | 725 | |
a493b6a6 JL |
726 | of_node_put(playback); |
727 | of_node_put(capture); | |
90e8e50f KM |
728 | } |
729 | ||
730 | dai_i++; | |
1536a968 | 731 | |
94e2710c KM |
732 | dev_dbg(dev, "%s (%s/%s)\n", rdai->name, |
733 | rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ", | |
734 | rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- "); | |
1536a968 KM |
735 | } |
736 | ||
94e2710c | 737 | ret = 0; |
49848073 | 738 | |
94e2710c KM |
739 | rsnd_dai_probe_done: |
740 | of_node_put(dai_node); | |
1536a968 | 741 | |
94e2710c | 742 | return ret; |
1536a968 KM |
743 | } |
744 | ||
1536a968 KM |
745 | /* |
746 | * pcm ops | |
747 | */ | |
748 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
749 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
750 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 751 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
752 | .buffer_bytes_max = 64 * 1024, |
753 | .period_bytes_min = 32, | |
754 | .period_bytes_max = 8192, | |
755 | .periods_min = 1, | |
756 | .periods_max = 32, | |
757 | .fifo_size = 256, | |
758 | }; | |
759 | ||
760 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
761 | { | |
762 | struct snd_pcm_runtime *runtime = substream->runtime; | |
763 | int ret = 0; | |
764 | ||
765 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
766 | ||
767 | ret = snd_pcm_hw_constraint_integer(runtime, | |
768 | SNDRV_PCM_HW_PARAM_PERIODS); | |
769 | ||
770 | return ret; | |
771 | } | |
772 | ||
773 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
774 | struct snd_pcm_hw_params *hw_params) | |
775 | { | |
3b7843ff KM |
776 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
777 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
778 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
779 | int ret; | |
780 | ||
781 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
782 | if (ret) | |
783 | return ret; | |
784 | ||
1536a968 KM |
785 | return snd_pcm_lib_malloc_pages(substream, |
786 | params_buffer_bytes(hw_params)); | |
787 | } | |
788 | ||
789 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
790 | { | |
791 | struct snd_pcm_runtime *runtime = substream->runtime; | |
792 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
793 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
794 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
795 | ||
796 | return bytes_to_frames(runtime, io->byte_pos); | |
797 | } | |
798 | ||
799 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
800 | .open = rsnd_pcm_open, | |
801 | .ioctl = snd_pcm_lib_ioctl, | |
802 | .hw_params = rsnd_hw_params, | |
803 | .hw_free = snd_pcm_lib_free_pages, | |
804 | .pointer = rsnd_pointer, | |
805 | }; | |
806 | ||
170a2497 KM |
807 | /* |
808 | * snd_kcontrol | |
809 | */ | |
810 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
811 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
812 | struct snd_ctl_elem_info *uinfo) | |
813 | { | |
814 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
815 | ||
816 | if (cfg->texts) { | |
817 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
818 | uinfo->count = cfg->size; | |
819 | uinfo->value.enumerated.items = cfg->max; | |
820 | if (uinfo->value.enumerated.item >= cfg->max) | |
821 | uinfo->value.enumerated.item = cfg->max - 1; | |
822 | strlcpy(uinfo->value.enumerated.name, | |
823 | cfg->texts[uinfo->value.enumerated.item], | |
824 | sizeof(uinfo->value.enumerated.name)); | |
825 | } else { | |
826 | uinfo->count = cfg->size; | |
827 | uinfo->value.integer.min = 0; | |
828 | uinfo->value.integer.max = cfg->max; | |
829 | uinfo->type = (cfg->max == 1) ? | |
830 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
831 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
832 | } | |
833 | ||
834 | return 0; | |
835 | } | |
836 | ||
837 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
838 | struct snd_ctl_elem_value *uc) | |
839 | { | |
840 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
841 | int i; | |
842 | ||
843 | for (i = 0; i < cfg->size; i++) | |
844 | if (cfg->texts) | |
845 | uc->value.enumerated.item[i] = cfg->val[i]; | |
846 | else | |
847 | uc->value.integer.value[i] = cfg->val[i]; | |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
852 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
853 | struct snd_ctl_elem_value *uc) | |
854 | { | |
855 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
856 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
857 | int i, change = 0; | |
858 | ||
859 | for (i = 0; i < cfg->size; i++) { | |
860 | if (cfg->texts) { | |
861 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
862 | cfg->val[i] = uc->value.enumerated.item[i]; | |
863 | } else { | |
864 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
865 | cfg->val[i] = uc->value.integer.value[i]; | |
866 | } | |
867 | } | |
868 | ||
869 | if (change) | |
b65a7ccc | 870 | cfg->update(cfg->io, mod); |
170a2497 KM |
871 | |
872 | return change; | |
873 | } | |
874 | ||
875 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 876 | struct rsnd_dai_stream *io, |
170a2497 KM |
877 | struct snd_soc_pcm_runtime *rtd, |
878 | const unsigned char *name, | |
879 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
880 | void (*update)(struct rsnd_dai_stream *io, |
881 | struct rsnd_mod *mod)) | |
170a2497 | 882 | { |
da620d72 | 883 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
884 | struct snd_card *card = rtd->card->snd_card; |
885 | struct snd_kcontrol *kctrl; | |
886 | struct snd_kcontrol_new knew = { | |
887 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
888 | .name = name, | |
889 | .info = rsnd_kctrl_info, | |
da620d72 | 890 | .index = rtd - soc_card->rtd, |
170a2497 KM |
891 | .get = rsnd_kctrl_get, |
892 | .put = rsnd_kctrl_put, | |
893 | .private_value = (unsigned long)cfg, | |
894 | }; | |
895 | int ret; | |
896 | ||
897 | kctrl = snd_ctl_new1(&knew, mod); | |
898 | if (!kctrl) | |
899 | return -ENOMEM; | |
900 | ||
901 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
902 | if (ret < 0) { |
903 | snd_ctl_free_one(kctrl); | |
170a2497 | 904 | return ret; |
d1f83d6e | 905 | } |
170a2497 KM |
906 | |
907 | cfg->update = update; | |
d1f83d6e KM |
908 | cfg->card = card; |
909 | cfg->kctrl = kctrl; | |
b65a7ccc | 910 | cfg->io = io; |
170a2497 KM |
911 | |
912 | return 0; | |
913 | } | |
914 | ||
d1f83d6e KM |
915 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
916 | { | |
917 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
918 | } | |
919 | ||
170a2497 | 920 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 921 | struct rsnd_dai_stream *io, |
170a2497 KM |
922 | struct snd_soc_pcm_runtime *rtd, |
923 | const unsigned char *name, | |
b65a7ccc KM |
924 | void (*update)(struct rsnd_dai_stream *io, |
925 | struct rsnd_mod *mod), | |
170a2497 | 926 | struct rsnd_kctrl_cfg_m *_cfg, |
42ab9a79 | 927 | int ch_size, |
170a2497 KM |
928 | u32 max) |
929 | { | |
42ab9a79 KM |
930 | if (ch_size > RSND_DVC_CHANNELS) |
931 | return -EINVAL; | |
932 | ||
170a2497 | 933 | _cfg->cfg.max = max; |
42ab9a79 | 934 | _cfg->cfg.size = ch_size; |
170a2497 | 935 | _cfg->cfg.val = _cfg->val; |
b65a7ccc | 936 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
937 | } |
938 | ||
939 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 940 | struct rsnd_dai_stream *io, |
170a2497 KM |
941 | struct snd_soc_pcm_runtime *rtd, |
942 | const unsigned char *name, | |
b65a7ccc KM |
943 | void (*update)(struct rsnd_dai_stream *io, |
944 | struct rsnd_mod *mod), | |
170a2497 KM |
945 | struct rsnd_kctrl_cfg_s *_cfg, |
946 | u32 max) | |
947 | { | |
948 | _cfg->cfg.max = max; | |
949 | _cfg->cfg.size = 1; | |
950 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 951 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
952 | } |
953 | ||
954 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 955 | struct rsnd_dai_stream *io, |
170a2497 KM |
956 | struct snd_soc_pcm_runtime *rtd, |
957 | const unsigned char *name, | |
958 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
959 | void (*update)(struct rsnd_dai_stream *io, |
960 | struct rsnd_mod *mod), | |
170a2497 KM |
961 | const char * const *texts, |
962 | u32 max) | |
963 | { | |
964 | _cfg->cfg.max = max; | |
965 | _cfg->cfg.size = 1; | |
966 | _cfg->cfg.val = &_cfg->val; | |
967 | _cfg->cfg.texts = texts; | |
b65a7ccc | 968 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
969 | } |
970 | ||
1536a968 KM |
971 | /* |
972 | * snd_soc_platform | |
973 | */ | |
974 | ||
975 | #define PREALLOC_BUFFER (32 * 1024) | |
976 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
977 | ||
978 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
979 | { | |
7c63f3c0 KM |
980 | struct snd_soc_dai *dai = rtd->cpu_dai; |
981 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 982 | int ret; |
bff58ea4 | 983 | |
ae11a9be KM |
984 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
985 | if (ret) | |
986 | return ret; | |
bff58ea4 | 987 | |
ae11a9be | 988 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
989 | if (ret) |
990 | return ret; | |
bff58ea4 | 991 | |
1536a968 KM |
992 | return snd_pcm_lib_preallocate_pages_for_all( |
993 | rtd->pcm, | |
994 | SNDRV_DMA_TYPE_DEV, | |
995 | rtd->card->snd_card->dev, | |
996 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
997 | } | |
998 | ||
1536a968 KM |
999 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1000 | .ops = &rsnd_pcm_ops, | |
1001 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1002 | }; |
1003 | ||
1004 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1005 | .name = "rsnd", | |
1006 | }; | |
1007 | ||
d3a76823 | 1008 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1009 | struct rsnd_dai_stream *io) |
d3a76823 | 1010 | { |
d3a76823 KM |
1011 | int ret; |
1012 | ||
690602fc | 1013 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1014 | if (ret == -EAGAIN) { |
48d58281 KM |
1015 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
1016 | int i; | |
1017 | ||
d3a76823 KM |
1018 | /* |
1019 | * Fallback to PIO mode | |
1020 | */ | |
1021 | ||
1022 | /* | |
1023 | * call "remove" for SSI/SRC/DVC | |
1024 | * SSI will be switch to PIO mode if it was DMA mode | |
1025 | * see | |
1026 | * rsnd_dma_init() | |
97463e19 | 1027 | * rsnd_ssi_fallback() |
d3a76823 | 1028 | */ |
690602fc | 1029 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1030 | |
1031 | /* | |
48d58281 KM |
1032 | * remove all mod from io |
1033 | * and, re connect ssi | |
d3a76823 | 1034 | */ |
48d58281 KM |
1035 | for (i = 0; i < RSND_MOD_MAX; i++) |
1036 | rsnd_dai_disconnect((io)->mod[i], io, i); | |
1037 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); | |
d3a76823 | 1038 | |
97463e19 KM |
1039 | /* |
1040 | * fallback | |
1041 | */ | |
690602fc | 1042 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1043 | |
d3a76823 KM |
1044 | /* |
1045 | * retry to "probe". | |
1046 | * DAI has SSI which is PIO mode only now. | |
1047 | */ | |
690602fc | 1048 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1049 | } |
1050 | ||
1051 | return ret; | |
1052 | } | |
1053 | ||
1536a968 KM |
1054 | /* |
1055 | * rsnd probe | |
1056 | */ | |
1057 | static int rsnd_probe(struct platform_device *pdev) | |
1058 | { | |
1536a968 KM |
1059 | struct rsnd_priv *priv; |
1060 | struct device *dev = &pdev->dev; | |
7681f6ac | 1061 | struct rsnd_dai *rdai; |
90e8e50f | 1062 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
2ea6b074 | 1063 | int (*probe_func[])(struct rsnd_priv *priv) = { |
d1ac970f | 1064 | rsnd_gen_probe, |
288f392e | 1065 | rsnd_dma_probe, |
d1ac970f | 1066 | rsnd_ssi_probe, |
c7f69ab5 | 1067 | rsnd_ssiu_probe, |
ba9c949f | 1068 | rsnd_src_probe, |
9269e3c3 | 1069 | rsnd_ctu_probe, |
70fb1052 | 1070 | rsnd_mix_probe, |
bff58ea4 | 1071 | rsnd_dvc_probe, |
1b2ca0ad | 1072 | rsnd_cmd_probe, |
d1ac970f KM |
1073 | rsnd_adg_probe, |
1074 | rsnd_dai_probe, | |
1075 | }; | |
1076 | int ret, i; | |
1536a968 | 1077 | |
1536a968 KM |
1078 | /* |
1079 | * init priv data | |
1080 | */ | |
1081 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1082 | if (!priv) { | |
1083 | dev_err(dev, "priv allocate failed\n"); | |
1084 | return -ENODEV; | |
1085 | } | |
1086 | ||
9f464f8e | 1087 | priv->pdev = pdev; |
c51eb1c6 | 1088 | priv->flags = (unsigned long)of_id->data; |
1536a968 KM |
1089 | spin_lock_init(&priv->lock); |
1090 | ||
1091 | /* | |
1092 | * init each module | |
1093 | */ | |
d1ac970f | 1094 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
2ea6b074 | 1095 | ret = probe_func[i](priv); |
d1ac970f KM |
1096 | if (ret) |
1097 | return ret; | |
1098 | } | |
07539c1d | 1099 | |
7681f6ac | 1100 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1101 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1102 | if (ret) |
d62a3dcd | 1103 | goto exit_snd_probe; |
dfc9403b | 1104 | |
f708d944 | 1105 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1106 | if (ret) |
d62a3dcd | 1107 | goto exit_snd_probe; |
7681f6ac | 1108 | } |
4b4dab82 | 1109 | |
0b1f6ec7 KM |
1110 | dev_set_drvdata(dev, priv); |
1111 | ||
1536a968 KM |
1112 | /* |
1113 | * asoc register | |
1114 | */ | |
1115 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1116 | if (ret < 0) { | |
1117 | dev_err(dev, "cannot snd soc register\n"); | |
1118 | return ret; | |
1119 | } | |
1120 | ||
1121 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1122 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1123 | if (ret < 0) { |
1124 | dev_err(dev, "cannot snd dai register\n"); | |
1125 | goto exit_snd_soc; | |
1126 | } | |
1127 | ||
1536a968 KM |
1128 | pm_runtime_enable(dev); |
1129 | ||
1130 | dev_info(dev, "probed\n"); | |
1131 | return ret; | |
1132 | ||
1133 | exit_snd_soc: | |
1134 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1135 | exit_snd_probe: |
1136 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1137 | rsnd_dai_call(remove, &rdai->playback, priv); |
1138 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1139 | } |
1536a968 KM |
1140 | |
1141 | return ret; | |
1142 | } | |
1143 | ||
1144 | static int rsnd_remove(struct platform_device *pdev) | |
1145 | { | |
1146 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1147 | struct rsnd_dai *rdai; |
2ea6b074 | 1148 | void (*remove_func[])(struct rsnd_priv *priv) = { |
2f78dd7f | 1149 | rsnd_ssi_remove, |
c7f69ab5 | 1150 | rsnd_ssiu_remove, |
2f78dd7f | 1151 | rsnd_src_remove, |
9269e3c3 | 1152 | rsnd_ctu_remove, |
70fb1052 | 1153 | rsnd_mix_remove, |
2f78dd7f | 1154 | rsnd_dvc_remove, |
1b2ca0ad | 1155 | rsnd_cmd_remove, |
68a55024 | 1156 | rsnd_adg_remove, |
2f78dd7f | 1157 | }; |
d62a3dcd | 1158 | int ret = 0, i; |
1536a968 KM |
1159 | |
1160 | pm_runtime_disable(&pdev->dev); | |
1161 | ||
7681f6ac | 1162 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1163 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1164 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1165 | } |
1536a968 | 1166 | |
2f78dd7f | 1167 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
2ea6b074 | 1168 | remove_func[i](priv); |
2f78dd7f | 1169 | |
d7c42ff8 KM |
1170 | snd_soc_unregister_component(&pdev->dev); |
1171 | snd_soc_unregister_platform(&pdev->dev); | |
1172 | ||
d62a3dcd | 1173 | return ret; |
1536a968 KM |
1174 | } |
1175 | ||
1176 | static struct platform_driver rsnd_driver = { | |
1177 | .driver = { | |
1178 | .name = "rcar_sound", | |
90e8e50f | 1179 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1180 | }, |
1181 | .probe = rsnd_probe, | |
1182 | .remove = rsnd_remove, | |
1183 | }; | |
1184 | module_platform_driver(rsnd_driver); | |
1185 | ||
1186 | MODULE_LICENSE("GPL"); | |
1187 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1188 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1189 | MODULE_ALIAS("platform:rcar-pcm-audio"); |