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); \ | |
417f9642 | 340 | ret; \ |
d870a91e KM |
341 | }) |
342 | ||
690602fc | 343 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 344 | ({ \ |
a126021d KM |
345 | struct rsnd_mod *mod; \ |
346 | int ret = 0, i; \ | |
347 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
348 | mod = (io)->mod[i]; \ | |
349 | if (!mod) \ | |
350 | continue; \ | |
c2dc47d5 | 351 | ret |= rsnd_mod_call(i, io, fn, param); \ |
d870a91e KM |
352 | } \ |
353 | ret; \ | |
cdaa3cdf KM |
354 | }) |
355 | ||
27924f32 KM |
356 | int rsnd_dai_connect(struct rsnd_mod *mod, |
357 | struct rsnd_dai_stream *io, | |
358 | enum rsnd_mod_type type) | |
cdaa3cdf | 359 | { |
48725e9c KM |
360 | struct rsnd_priv *priv; |
361 | struct device *dev; | |
84e95355 | 362 | |
6020779b | 363 | if (!mod) |
cdaa3cdf | 364 | return -EIO; |
cdaa3cdf | 365 | |
52dc6852 KM |
366 | if (io->mod[type]) |
367 | return -EINVAL; | |
368 | ||
48725e9c KM |
369 | priv = rsnd_mod_to_priv(mod); |
370 | dev = rsnd_priv_to_dev(priv); | |
371 | ||
27924f32 | 372 | io->mod[type] = mod; |
cdaa3cdf | 373 | |
84e95355 KM |
374 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
375 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
376 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
377 | ||
cdaa3cdf KM |
378 | return 0; |
379 | } | |
380 | ||
d3a76823 | 381 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
382 | struct rsnd_dai_stream *io, |
383 | enum rsnd_mod_type type) | |
d3a76823 | 384 | { |
27924f32 | 385 | io->mod[type] = NULL; |
d3a76823 KM |
386 | } |
387 | ||
710d0889 | 388 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 389 | { |
ecba9e72 | 390 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
391 | return NULL; |
392 | ||
1536a968 KM |
393 | return priv->rdai + id; |
394 | } | |
395 | ||
eb2535f5 | 396 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
397 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
398 | { | |
eb2535f5 | 399 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 400 | |
710d0889 | 401 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
402 | } |
403 | ||
1536a968 KM |
404 | /* |
405 | * rsnd_soc_dai functions | |
406 | */ | |
407 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
408 | { | |
409 | struct snd_pcm_substream *substream = io->substream; | |
410 | struct snd_pcm_runtime *runtime = substream->runtime; | |
411 | int pos = io->byte_pos + additional; | |
412 | ||
413 | pos %= (runtime->periods * io->byte_per_period); | |
414 | ||
415 | return pos; | |
416 | } | |
417 | ||
75defee0 | 418 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
419 | { |
420 | io->byte_pos += byte; | |
421 | ||
422 | if (io->byte_pos >= io->next_period_byte) { | |
423 | struct snd_pcm_substream *substream = io->substream; | |
424 | struct snd_pcm_runtime *runtime = substream->runtime; | |
425 | ||
426 | io->period_pos++; | |
427 | io->next_period_byte += io->byte_per_period; | |
428 | ||
429 | if (io->period_pos >= runtime->periods) { | |
430 | io->byte_pos = 0; | |
431 | io->period_pos = 0; | |
432 | io->next_period_byte = io->byte_per_period; | |
433 | } | |
434 | ||
75defee0 | 435 | return true; |
1536a968 | 436 | } |
75defee0 KM |
437 | |
438 | return false; | |
439 | } | |
440 | ||
441 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
442 | { | |
443 | struct snd_pcm_substream *substream = io->substream; | |
444 | ||
445 | /* | |
446 | * this function should be called... | |
447 | * | |
448 | * - if rsnd_dai_pointer_update() returns true | |
449 | * - without spin lock | |
450 | */ | |
451 | ||
452 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
453 | } |
454 | ||
5626ad08 | 455 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
456 | struct snd_pcm_substream *substream) |
457 | { | |
458 | struct snd_pcm_runtime *runtime = substream->runtime; | |
459 | ||
1536a968 KM |
460 | io->substream = substream; |
461 | io->byte_pos = 0; | |
462 | io->period_pos = 0; | |
463 | io->byte_per_period = runtime->period_size * | |
464 | runtime->channels * | |
465 | samples_to_bytes(runtime, 1); | |
466 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 467 | } |
1536a968 | 468 | |
5626ad08 KM |
469 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
470 | { | |
471 | io->substream = NULL; | |
1536a968 KM |
472 | } |
473 | ||
474 | static | |
475 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
476 | { | |
477 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
478 | ||
479 | return rtd->cpu_dai; | |
480 | } | |
481 | ||
482 | static | |
483 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
484 | struct snd_pcm_substream *substream) | |
485 | { | |
486 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
487 | return &rdai->playback; | |
488 | else | |
489 | return &rdai->capture; | |
490 | } | |
491 | ||
492 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
493 | struct snd_soc_dai *dai) | |
494 | { | |
eb2535f5 | 495 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
496 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
497 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1536a968 KM |
498 | int ret; |
499 | unsigned long flags; | |
500 | ||
02299d98 | 501 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
502 | |
503 | switch (cmd) { | |
504 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 505 | rsnd_dai_stream_init(io, substream); |
1536a968 | 506 | |
690602fc | 507 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
508 | if (ret < 0) |
509 | goto dai_trigger_end; | |
510 | ||
690602fc | 511 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
512 | if (ret < 0) |
513 | goto dai_trigger_end; | |
1536a968 KM |
514 | break; |
515 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 516 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf | 517 | |
89e3e2c3 | 518 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 519 | |
5626ad08 | 520 | rsnd_dai_stream_quit(io); |
1536a968 KM |
521 | break; |
522 | default: | |
523 | ret = -EINVAL; | |
524 | } | |
525 | ||
526 | dai_trigger_end: | |
02299d98 | 527 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
528 | |
529 | return ret; | |
530 | } | |
531 | ||
532 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
533 | { | |
534 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
535 | ||
536 | /* set master/slave audio interface */ | |
537 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
538 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 539 | rdai->clk_master = 0; |
1536a968 KM |
540 | break; |
541 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 542 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
543 | break; |
544 | default: | |
545 | return -EINVAL; | |
546 | } | |
547 | ||
1536a968 KM |
548 | /* set format */ |
549 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
550 | case SND_SOC_DAIFMT_I2S: | |
551 | rdai->sys_delay = 0; | |
552 | rdai->data_alignment = 0; | |
1a7889ca | 553 | rdai->frm_clk_inv = 0; |
1536a968 KM |
554 | break; |
555 | case SND_SOC_DAIFMT_LEFT_J: | |
556 | rdai->sys_delay = 1; | |
557 | rdai->data_alignment = 0; | |
1a7889ca | 558 | rdai->frm_clk_inv = 1; |
1536a968 KM |
559 | break; |
560 | case SND_SOC_DAIFMT_RIGHT_J: | |
561 | rdai->sys_delay = 1; | |
562 | rdai->data_alignment = 1; | |
1a7889ca KM |
563 | rdai->frm_clk_inv = 1; |
564 | break; | |
565 | } | |
566 | ||
567 | /* set clock inversion */ | |
568 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
569 | case SND_SOC_DAIFMT_NB_IF: | |
570 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
571 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
572 | break; | |
573 | case SND_SOC_DAIFMT_IB_NF: | |
574 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
575 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
576 | break; | |
577 | case SND_SOC_DAIFMT_IB_IF: | |
578 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
579 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
580 | break; | |
581 | case SND_SOC_DAIFMT_NB_NF: | |
582 | default: | |
1536a968 KM |
583 | break; |
584 | } | |
585 | ||
586 | return 0; | |
587 | } | |
588 | ||
186fadc1 KM |
589 | static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, |
590 | u32 tx_mask, u32 rx_mask, | |
591 | int slots, int slot_width) | |
592 | { | |
593 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
594 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
595 | struct device *dev = rsnd_priv_to_dev(priv); | |
596 | ||
597 | switch (slots) { | |
598 | case 6: | |
599 | /* TDM Extend Mode */ | |
750fd445 | 600 | rsnd_set_slot(rdai, slots, 1); |
186fadc1 KM |
601 | break; |
602 | default: | |
603 | dev_err(dev, "unsupported TDM slots (%d)\n", slots); | |
604 | return -EINVAL; | |
605 | } | |
606 | ||
607 | return 0; | |
608 | } | |
609 | ||
1536a968 KM |
610 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
611 | .trigger = rsnd_soc_dai_trigger, | |
612 | .set_fmt = rsnd_soc_dai_set_fmt, | |
186fadc1 | 613 | .set_tdm_slot = rsnd_soc_set_dai_tdm_slot, |
1536a968 KM |
614 | }; |
615 | ||
89b66174 KM |
616 | void rsnd_parse_connect_common(struct rsnd_dai *rdai, |
617 | struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), | |
618 | struct device_node *node, | |
619 | struct device_node *playback, | |
620 | struct device_node *capture) | |
621 | { | |
622 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
623 | struct device_node *np; | |
624 | struct rsnd_mod *mod; | |
625 | int i; | |
626 | ||
627 | if (!node) | |
628 | return; | |
629 | ||
630 | i = 0; | |
631 | for_each_child_of_node(node, np) { | |
632 | mod = mod_get(priv, i); | |
633 | if (np == playback) | |
634 | rsnd_dai_connect(mod, &rdai->playback, mod->type); | |
635 | if (np == capture) | |
636 | rsnd_dai_connect(mod, &rdai->capture, mod->type); | |
637 | i++; | |
638 | } | |
639 | ||
640 | of_node_put(node); | |
641 | } | |
642 | ||
2ea6b074 | 643 | static int rsnd_dai_probe(struct rsnd_priv *priv) |
90e8e50f | 644 | { |
94e2710c | 645 | struct device_node *dai_node; |
89b66174 | 646 | struct device_node *dai_np; |
90e8e50f | 647 | struct device_node *playback, *capture; |
94e2710c KM |
648 | struct rsnd_dai_stream *io_playback; |
649 | struct rsnd_dai_stream *io_capture; | |
2ff2ecca | 650 | struct snd_soc_dai_driver *rdrv, *drv; |
94e2710c | 651 | struct rsnd_dai *rdai; |
2ea6b074 | 652 | struct device *dev = rsnd_priv_to_dev(priv); |
89b66174 | 653 | int nr, dai_i, io_i; |
94e2710c | 654 | int ret; |
90e8e50f | 655 | |
94e2710c | 656 | dai_node = rsnd_dai_of_node(priv); |
90e8e50f | 657 | nr = of_get_child_count(dai_node); |
94e2710c KM |
658 | if (!nr) { |
659 | ret = -EINVAL; | |
660 | goto rsnd_dai_probe_done; | |
90e8e50f KM |
661 | } |
662 | ||
2ff2ecca | 663 | rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL); |
94e2710c | 664 | rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL); |
2ff2ecca | 665 | if (!rdrv || !rdai) { |
94e2710c KM |
666 | ret = -ENOMEM; |
667 | goto rsnd_dai_probe_done; | |
668 | } | |
90e8e50f | 669 | |
94e2710c | 670 | priv->rdai_nr = nr; |
2ff2ecca | 671 | priv->daidrv = rdrv; |
94e2710c | 672 | priv->rdai = rdai; |
90e8e50f KM |
673 | |
674 | /* | |
675 | * parse all dai | |
676 | */ | |
677 | dai_i = 0; | |
678 | for_each_child_of_node(dai_node, dai_np) { | |
94e2710c | 679 | rdai = rsnd_rdai_get(priv, dai_i); |
2ff2ecca | 680 | drv = rdrv + dai_i; |
94e2710c KM |
681 | io_playback = &rdai->playback; |
682 | io_capture = &rdai->capture; | |
683 | ||
684 | snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i); | |
685 | ||
686 | rdai->priv = priv; | |
687 | drv->name = rdai->name; | |
688 | drv->ops = &rsnd_soc_dai_ops; | |
689 | ||
690 | snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE, | |
691 | "DAI%d Playback", dai_i); | |
692 | drv->playback.rates = RSND_RATES; | |
693 | drv->playback.formats = RSND_FMTS; | |
694 | drv->playback.channels_min = 2; | |
186fadc1 | 695 | drv->playback.channels_max = 6; |
94e2710c KM |
696 | drv->playback.stream_name = rdai->playback.name; |
697 | ||
698 | snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, | |
699 | "DAI%d Capture", dai_i); | |
700 | drv->capture.rates = RSND_RATES; | |
701 | drv->capture.formats = RSND_FMTS; | |
702 | drv->capture.channels_min = 2; | |
186fadc1 | 703 | drv->capture.channels_max = 6; |
94e2710c KM |
704 | drv->capture.stream_name = rdai->capture.name; |
705 | ||
706 | rdai->playback.rdai = rdai; | |
707 | rdai->capture.rdai = rdai; | |
750fd445 | 708 | rsnd_set_slot(rdai, 2, 1); /* default */ |
90e8e50f | 709 | |
94e2710c KM |
710 | for (io_i = 0;; io_i++) { |
711 | playback = of_parse_phandle(dai_np, "playback", io_i); | |
712 | capture = of_parse_phandle(dai_np, "capture", io_i); | |
90e8e50f KM |
713 | |
714 | if (!playback && !capture) | |
715 | break; | |
716 | ||
89b66174 KM |
717 | rsnd_parse_connect_ssi(rdai, playback, capture); |
718 | rsnd_parse_connect_src(rdai, playback, capture); | |
719 | rsnd_parse_connect_ctu(rdai, playback, capture); | |
720 | rsnd_parse_connect_mix(rdai, playback, capture); | |
721 | rsnd_parse_connect_dvc(rdai, playback, capture); | |
90e8e50f | 722 | |
a493b6a6 JL |
723 | of_node_put(playback); |
724 | of_node_put(capture); | |
90e8e50f KM |
725 | } |
726 | ||
727 | dai_i++; | |
1536a968 | 728 | |
94e2710c KM |
729 | dev_dbg(dev, "%s (%s/%s)\n", rdai->name, |
730 | rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ", | |
731 | rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- "); | |
1536a968 KM |
732 | } |
733 | ||
94e2710c | 734 | ret = 0; |
49848073 | 735 | |
94e2710c KM |
736 | rsnd_dai_probe_done: |
737 | of_node_put(dai_node); | |
1536a968 | 738 | |
94e2710c | 739 | return ret; |
1536a968 KM |
740 | } |
741 | ||
1536a968 KM |
742 | /* |
743 | * pcm ops | |
744 | */ | |
745 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
746 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
747 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 748 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
749 | .buffer_bytes_max = 64 * 1024, |
750 | .period_bytes_min = 32, | |
751 | .period_bytes_max = 8192, | |
752 | .periods_min = 1, | |
753 | .periods_max = 32, | |
754 | .fifo_size = 256, | |
755 | }; | |
756 | ||
757 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
758 | { | |
759 | struct snd_pcm_runtime *runtime = substream->runtime; | |
760 | int ret = 0; | |
761 | ||
762 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
763 | ||
764 | ret = snd_pcm_hw_constraint_integer(runtime, | |
765 | SNDRV_PCM_HW_PARAM_PERIODS); | |
766 | ||
767 | return ret; | |
768 | } | |
769 | ||
770 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
771 | struct snd_pcm_hw_params *hw_params) | |
772 | { | |
3b7843ff KM |
773 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
774 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
775 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
776 | int ret; | |
777 | ||
778 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
779 | if (ret) | |
780 | return ret; | |
781 | ||
1536a968 KM |
782 | return snd_pcm_lib_malloc_pages(substream, |
783 | params_buffer_bytes(hw_params)); | |
784 | } | |
785 | ||
786 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
787 | { | |
788 | struct snd_pcm_runtime *runtime = substream->runtime; | |
789 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
790 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
791 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
792 | ||
793 | return bytes_to_frames(runtime, io->byte_pos); | |
794 | } | |
795 | ||
796 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
797 | .open = rsnd_pcm_open, | |
798 | .ioctl = snd_pcm_lib_ioctl, | |
799 | .hw_params = rsnd_hw_params, | |
800 | .hw_free = snd_pcm_lib_free_pages, | |
801 | .pointer = rsnd_pointer, | |
802 | }; | |
803 | ||
170a2497 KM |
804 | /* |
805 | * snd_kcontrol | |
806 | */ | |
807 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
808 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
809 | struct snd_ctl_elem_info *uinfo) | |
810 | { | |
811 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
812 | ||
813 | if (cfg->texts) { | |
814 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
815 | uinfo->count = cfg->size; | |
816 | uinfo->value.enumerated.items = cfg->max; | |
817 | if (uinfo->value.enumerated.item >= cfg->max) | |
818 | uinfo->value.enumerated.item = cfg->max - 1; | |
819 | strlcpy(uinfo->value.enumerated.name, | |
820 | cfg->texts[uinfo->value.enumerated.item], | |
821 | sizeof(uinfo->value.enumerated.name)); | |
822 | } else { | |
823 | uinfo->count = cfg->size; | |
824 | uinfo->value.integer.min = 0; | |
825 | uinfo->value.integer.max = cfg->max; | |
826 | uinfo->type = (cfg->max == 1) ? | |
827 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
828 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
829 | } | |
830 | ||
831 | return 0; | |
832 | } | |
833 | ||
834 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
835 | struct snd_ctl_elem_value *uc) | |
836 | { | |
837 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
838 | int i; | |
839 | ||
840 | for (i = 0; i < cfg->size; i++) | |
841 | if (cfg->texts) | |
842 | uc->value.enumerated.item[i] = cfg->val[i]; | |
843 | else | |
844 | uc->value.integer.value[i] = cfg->val[i]; | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
849 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
850 | struct snd_ctl_elem_value *uc) | |
851 | { | |
852 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
853 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
854 | int i, change = 0; | |
855 | ||
856 | for (i = 0; i < cfg->size; i++) { | |
857 | if (cfg->texts) { | |
858 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
859 | cfg->val[i] = uc->value.enumerated.item[i]; | |
860 | } else { | |
861 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
862 | cfg->val[i] = uc->value.integer.value[i]; | |
863 | } | |
864 | } | |
865 | ||
866 | if (change) | |
b65a7ccc | 867 | cfg->update(cfg->io, mod); |
170a2497 KM |
868 | |
869 | return change; | |
870 | } | |
871 | ||
872 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 873 | struct rsnd_dai_stream *io, |
170a2497 KM |
874 | struct snd_soc_pcm_runtime *rtd, |
875 | const unsigned char *name, | |
876 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
877 | void (*update)(struct rsnd_dai_stream *io, |
878 | struct rsnd_mod *mod)) | |
170a2497 | 879 | { |
da620d72 | 880 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
881 | struct snd_card *card = rtd->card->snd_card; |
882 | struct snd_kcontrol *kctrl; | |
883 | struct snd_kcontrol_new knew = { | |
884 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
885 | .name = name, | |
886 | .info = rsnd_kctrl_info, | |
da620d72 | 887 | .index = rtd - soc_card->rtd, |
170a2497 KM |
888 | .get = rsnd_kctrl_get, |
889 | .put = rsnd_kctrl_put, | |
890 | .private_value = (unsigned long)cfg, | |
891 | }; | |
892 | int ret; | |
893 | ||
894 | kctrl = snd_ctl_new1(&knew, mod); | |
895 | if (!kctrl) | |
896 | return -ENOMEM; | |
897 | ||
898 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
899 | if (ret < 0) { |
900 | snd_ctl_free_one(kctrl); | |
170a2497 | 901 | return ret; |
d1f83d6e | 902 | } |
170a2497 KM |
903 | |
904 | cfg->update = update; | |
d1f83d6e KM |
905 | cfg->card = card; |
906 | cfg->kctrl = kctrl; | |
b65a7ccc | 907 | cfg->io = io; |
170a2497 KM |
908 | |
909 | return 0; | |
910 | } | |
911 | ||
d1f83d6e KM |
912 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
913 | { | |
914 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
915 | } | |
916 | ||
170a2497 | 917 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 918 | struct rsnd_dai_stream *io, |
170a2497 KM |
919 | struct snd_soc_pcm_runtime *rtd, |
920 | const unsigned char *name, | |
b65a7ccc KM |
921 | void (*update)(struct rsnd_dai_stream *io, |
922 | struct rsnd_mod *mod), | |
170a2497 | 923 | struct rsnd_kctrl_cfg_m *_cfg, |
42ab9a79 | 924 | int ch_size, |
170a2497 KM |
925 | u32 max) |
926 | { | |
42ab9a79 KM |
927 | if (ch_size > RSND_DVC_CHANNELS) |
928 | return -EINVAL; | |
929 | ||
170a2497 | 930 | _cfg->cfg.max = max; |
42ab9a79 | 931 | _cfg->cfg.size = ch_size; |
170a2497 | 932 | _cfg->cfg.val = _cfg->val; |
b65a7ccc | 933 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
934 | } |
935 | ||
936 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 937 | struct rsnd_dai_stream *io, |
170a2497 KM |
938 | struct snd_soc_pcm_runtime *rtd, |
939 | const unsigned char *name, | |
b65a7ccc KM |
940 | void (*update)(struct rsnd_dai_stream *io, |
941 | struct rsnd_mod *mod), | |
170a2497 KM |
942 | struct rsnd_kctrl_cfg_s *_cfg, |
943 | u32 max) | |
944 | { | |
945 | _cfg->cfg.max = max; | |
946 | _cfg->cfg.size = 1; | |
947 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 948 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
949 | } |
950 | ||
951 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 952 | struct rsnd_dai_stream *io, |
170a2497 KM |
953 | struct snd_soc_pcm_runtime *rtd, |
954 | const unsigned char *name, | |
955 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
956 | void (*update)(struct rsnd_dai_stream *io, |
957 | struct rsnd_mod *mod), | |
170a2497 KM |
958 | const char * const *texts, |
959 | u32 max) | |
960 | { | |
961 | _cfg->cfg.max = max; | |
962 | _cfg->cfg.size = 1; | |
963 | _cfg->cfg.val = &_cfg->val; | |
964 | _cfg->cfg.texts = texts; | |
b65a7ccc | 965 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
966 | } |
967 | ||
1536a968 KM |
968 | /* |
969 | * snd_soc_platform | |
970 | */ | |
971 | ||
972 | #define PREALLOC_BUFFER (32 * 1024) | |
973 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
974 | ||
975 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
976 | { | |
7c63f3c0 KM |
977 | struct snd_soc_dai *dai = rtd->cpu_dai; |
978 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 979 | int ret; |
bff58ea4 | 980 | |
ae11a9be KM |
981 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
982 | if (ret) | |
983 | return ret; | |
bff58ea4 | 984 | |
ae11a9be | 985 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
986 | if (ret) |
987 | return ret; | |
bff58ea4 | 988 | |
1536a968 KM |
989 | return snd_pcm_lib_preallocate_pages_for_all( |
990 | rtd->pcm, | |
991 | SNDRV_DMA_TYPE_DEV, | |
992 | rtd->card->snd_card->dev, | |
993 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
994 | } | |
995 | ||
1536a968 KM |
996 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
997 | .ops = &rsnd_pcm_ops, | |
998 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
999 | }; |
1000 | ||
1001 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1002 | .name = "rsnd", | |
1003 | }; | |
1004 | ||
d3a76823 | 1005 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1006 | struct rsnd_dai_stream *io) |
d3a76823 | 1007 | { |
d3a76823 KM |
1008 | int ret; |
1009 | ||
690602fc | 1010 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1011 | if (ret == -EAGAIN) { |
48d58281 KM |
1012 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
1013 | int i; | |
1014 | ||
d3a76823 KM |
1015 | /* |
1016 | * Fallback to PIO mode | |
1017 | */ | |
1018 | ||
1019 | /* | |
1020 | * call "remove" for SSI/SRC/DVC | |
1021 | * SSI will be switch to PIO mode if it was DMA mode | |
1022 | * see | |
1023 | * rsnd_dma_init() | |
97463e19 | 1024 | * rsnd_ssi_fallback() |
d3a76823 | 1025 | */ |
690602fc | 1026 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1027 | |
1028 | /* | |
48d58281 KM |
1029 | * remove all mod from io |
1030 | * and, re connect ssi | |
d3a76823 | 1031 | */ |
48d58281 KM |
1032 | for (i = 0; i < RSND_MOD_MAX; i++) |
1033 | rsnd_dai_disconnect((io)->mod[i], io, i); | |
1034 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); | |
d3a76823 | 1035 | |
97463e19 KM |
1036 | /* |
1037 | * fallback | |
1038 | */ | |
690602fc | 1039 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1040 | |
d3a76823 KM |
1041 | /* |
1042 | * retry to "probe". | |
1043 | * DAI has SSI which is PIO mode only now. | |
1044 | */ | |
690602fc | 1045 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1046 | } |
1047 | ||
1048 | return ret; | |
1049 | } | |
1050 | ||
1536a968 KM |
1051 | /* |
1052 | * rsnd probe | |
1053 | */ | |
1054 | static int rsnd_probe(struct platform_device *pdev) | |
1055 | { | |
1536a968 KM |
1056 | struct rsnd_priv *priv; |
1057 | struct device *dev = &pdev->dev; | |
7681f6ac | 1058 | struct rsnd_dai *rdai; |
90e8e50f | 1059 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
2ea6b074 | 1060 | int (*probe_func[])(struct rsnd_priv *priv) = { |
d1ac970f | 1061 | rsnd_gen_probe, |
288f392e | 1062 | rsnd_dma_probe, |
d1ac970f | 1063 | rsnd_ssi_probe, |
c7f69ab5 | 1064 | rsnd_ssiu_probe, |
ba9c949f | 1065 | rsnd_src_probe, |
9269e3c3 | 1066 | rsnd_ctu_probe, |
70fb1052 | 1067 | rsnd_mix_probe, |
bff58ea4 | 1068 | rsnd_dvc_probe, |
1b2ca0ad | 1069 | rsnd_cmd_probe, |
d1ac970f KM |
1070 | rsnd_adg_probe, |
1071 | rsnd_dai_probe, | |
1072 | }; | |
1073 | int ret, i; | |
1536a968 | 1074 | |
1536a968 KM |
1075 | /* |
1076 | * init priv data | |
1077 | */ | |
1078 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1079 | if (!priv) { | |
1080 | dev_err(dev, "priv allocate failed\n"); | |
1081 | return -ENODEV; | |
1082 | } | |
1083 | ||
9f464f8e | 1084 | priv->pdev = pdev; |
c51eb1c6 | 1085 | priv->flags = (unsigned long)of_id->data; |
1536a968 KM |
1086 | spin_lock_init(&priv->lock); |
1087 | ||
1088 | /* | |
1089 | * init each module | |
1090 | */ | |
d1ac970f | 1091 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
2ea6b074 | 1092 | ret = probe_func[i](priv); |
d1ac970f KM |
1093 | if (ret) |
1094 | return ret; | |
1095 | } | |
07539c1d | 1096 | |
7681f6ac | 1097 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1098 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1099 | if (ret) |
d62a3dcd | 1100 | goto exit_snd_probe; |
dfc9403b | 1101 | |
f708d944 | 1102 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1103 | if (ret) |
d62a3dcd | 1104 | goto exit_snd_probe; |
7681f6ac | 1105 | } |
4b4dab82 | 1106 | |
0b1f6ec7 KM |
1107 | dev_set_drvdata(dev, priv); |
1108 | ||
1536a968 KM |
1109 | /* |
1110 | * asoc register | |
1111 | */ | |
1112 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1113 | if (ret < 0) { | |
1114 | dev_err(dev, "cannot snd soc register\n"); | |
1115 | return ret; | |
1116 | } | |
1117 | ||
1118 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1119 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1120 | if (ret < 0) { |
1121 | dev_err(dev, "cannot snd dai register\n"); | |
1122 | goto exit_snd_soc; | |
1123 | } | |
1124 | ||
1536a968 KM |
1125 | pm_runtime_enable(dev); |
1126 | ||
1127 | dev_info(dev, "probed\n"); | |
1128 | return ret; | |
1129 | ||
1130 | exit_snd_soc: | |
1131 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1132 | exit_snd_probe: |
1133 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1134 | rsnd_dai_call(remove, &rdai->playback, priv); |
1135 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1136 | } |
1536a968 KM |
1137 | |
1138 | return ret; | |
1139 | } | |
1140 | ||
1141 | static int rsnd_remove(struct platform_device *pdev) | |
1142 | { | |
1143 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1144 | struct rsnd_dai *rdai; |
2ea6b074 | 1145 | void (*remove_func[])(struct rsnd_priv *priv) = { |
2f78dd7f | 1146 | rsnd_ssi_remove, |
c7f69ab5 | 1147 | rsnd_ssiu_remove, |
2f78dd7f | 1148 | rsnd_src_remove, |
9269e3c3 | 1149 | rsnd_ctu_remove, |
70fb1052 | 1150 | rsnd_mix_remove, |
2f78dd7f | 1151 | rsnd_dvc_remove, |
1b2ca0ad | 1152 | rsnd_cmd_remove, |
68a55024 | 1153 | rsnd_adg_remove, |
2f78dd7f | 1154 | }; |
d62a3dcd | 1155 | int ret = 0, i; |
1536a968 KM |
1156 | |
1157 | pm_runtime_disable(&pdev->dev); | |
1158 | ||
7681f6ac | 1159 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1160 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1161 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1162 | } |
1536a968 | 1163 | |
2f78dd7f | 1164 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
2ea6b074 | 1165 | remove_func[i](priv); |
2f78dd7f | 1166 | |
d7c42ff8 KM |
1167 | snd_soc_unregister_component(&pdev->dev); |
1168 | snd_soc_unregister_platform(&pdev->dev); | |
1169 | ||
d62a3dcd | 1170 | return ret; |
1536a968 KM |
1171 | } |
1172 | ||
1173 | static struct platform_driver rsnd_driver = { | |
1174 | .driver = { | |
1175 | .name = "rcar_sound", | |
90e8e50f | 1176 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1177 | }, |
1178 | .probe = rsnd_probe, | |
1179 | .remove = rsnd_remove, | |
1180 | }; | |
1181 | module_platform_driver(rsnd_driver); | |
1182 | ||
1183 | MODULE_LICENSE("GPL"); | |
1184 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1185 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1186 | MODULE_ALIAS("platform:rcar-pcm-audio"); |