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 }, | |
ac37a45b | 113 | { .compatible = "renesas,rcar_sound-gen3", .data = &rsnd_of_data_gen2 }, /* gen2 compatible */ |
90e8e50f KM |
114 | {}, |
115 | }; | |
116 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
117 | ||
1536a968 KM |
118 | /* |
119 | * rsnd_platform functions | |
120 | */ | |
121 | #define rsnd_platform_call(priv, dai, func, param...) \ | |
740ad6c3 | 122 | (!(priv->info->func) ? 0 : \ |
1536a968 KM |
123 | priv->info->func(param)) |
124 | ||
389933d9 KM |
125 | #define rsnd_is_enable_path(io, name) \ |
126 | ((io)->info ? (io)->info->name : NULL) | |
127 | #define rsnd_info_id(priv, io, name) \ | |
128 | ((io)->info->name - priv->info->name##_info) | |
129 | ||
f1df1229 KM |
130 | void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) |
131 | { | |
132 | if (mod->type != type) { | |
133 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
134 | struct device *dev = rsnd_priv_to_dev(priv); | |
135 | ||
136 | dev_warn(dev, "%s[%d] is not your expected module\n", | |
137 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
138 | } | |
139 | } | |
140 | ||
cdaa3cdf KM |
141 | /* |
142 | * rsnd_mod functions | |
143 | */ | |
144 | char *rsnd_mod_name(struct rsnd_mod *mod) | |
145 | { | |
146 | if (!mod || !mod->ops) | |
147 | return "unknown"; | |
148 | ||
149 | return mod->ops->name; | |
150 | } | |
151 | ||
9b99e9a7 KM |
152 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
153 | struct rsnd_mod *mod) | |
d9288d0b | 154 | { |
72adc61f KM |
155 | if (!mod || !mod->ops || !mod->ops->dma_req) |
156 | return NULL; | |
d9288d0b | 157 | |
9b99e9a7 | 158 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
159 | } |
160 | ||
2099bc8e KM |
161 | int rsnd_mod_init(struct rsnd_priv *priv, |
162 | struct rsnd_mod *mod, | |
cdaa3cdf | 163 | struct rsnd_mod_ops *ops, |
85642952 | 164 | struct clk *clk, |
a126021d | 165 | enum rsnd_mod_type type, |
cdaa3cdf KM |
166 | int id) |
167 | { | |
2f78dd7f KM |
168 | int ret = clk_prepare(clk); |
169 | ||
170 | if (ret) | |
171 | return ret; | |
172 | ||
cdaa3cdf KM |
173 | mod->id = id; |
174 | mod->ops = ops; | |
a126021d | 175 | mod->type = type; |
85642952 | 176 | mod->clk = clk; |
2099bc8e | 177 | mod->priv = priv; |
2f78dd7f KM |
178 | |
179 | return ret; | |
180 | } | |
181 | ||
182 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
183 | { | |
184 | if (mod->clk) | |
185 | clk_unprepare(mod->clk); | |
cdaa3cdf KM |
186 | } |
187 | ||
f501b7a4 KM |
188 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
189 | void (*callback)(struct rsnd_mod *mod, | |
190 | struct rsnd_dai_stream *io)) | |
191 | { | |
192 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
193 | struct rsnd_dai_stream *io; | |
194 | struct rsnd_dai *rdai; | |
195 | int i, j; | |
196 | ||
197 | for_each_rsnd_dai(rdai, priv, j) { | |
198 | ||
199 | for (i = 0; i < RSND_MOD_MAX; i++) { | |
200 | io = &rdai->playback; | |
201 | if (mod == io->mod[i]) | |
202 | callback(mod, io); | |
203 | ||
204 | io = &rdai->capture; | |
205 | if (mod == io->mod[i]) | |
206 | callback(mod, io); | |
207 | } | |
208 | } | |
209 | } | |
210 | ||
d5bbe7de | 211 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 212 | { |
02299d98 KM |
213 | /* see rsnd_dai_stream_init/quit() */ |
214 | return !!io->substream; | |
215 | } | |
216 | ||
d7bdbc5d | 217 | /* |
3023b384 | 218 | * ADINR function |
d7bdbc5d | 219 | */ |
3023b384 | 220 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
221 | { |
222 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
223 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
224 | struct device *dev = rsnd_priv_to_dev(priv); | |
225 | u32 adinr = runtime->channels; | |
226 | ||
227 | switch (runtime->sample_bits) { | |
228 | case 16: | |
229 | adinr |= (8 << 16); | |
230 | break; | |
231 | case 32: | |
232 | adinr |= (0 << 16); | |
233 | break; | |
234 | default: | |
235 | dev_warn(dev, "not supported sample bits\n"); | |
236 | return 0; | |
237 | } | |
238 | ||
239 | return adinr; | |
240 | } | |
241 | ||
bfe1360d KM |
242 | u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
243 | { | |
244 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
245 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
246 | struct device *dev = rsnd_priv_to_dev(priv); | |
247 | u32 chan = runtime->channels; | |
248 | ||
249 | switch (chan) { | |
250 | case 1: | |
251 | case 2: | |
252 | case 4: | |
253 | case 6: | |
254 | case 8: | |
255 | break; | |
256 | default: | |
257 | dev_warn(dev, "not supported channel\n"); | |
258 | chan = 0; | |
259 | break; | |
260 | } | |
261 | ||
262 | return chan; | |
263 | } | |
4689032b KM |
264 | |
265 | /* | |
266 | * DALIGN function | |
267 | */ | |
268 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
269 | { | |
270 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
271 | struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io); | |
272 | struct rsnd_mod *target = src ? src : ssi; | |
273 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
274 | u32 val = 0x76543210; | |
275 | u32 mask = ~0; | |
276 | ||
277 | mask <<= runtime->channels * 4; | |
278 | val = val & mask; | |
279 | ||
280 | switch (runtime->sample_bits) { | |
281 | case 16: | |
282 | val |= 0x67452301 & ~mask; | |
283 | break; | |
284 | case 32: | |
285 | val |= 0x76543210 & ~mask; | |
286 | break; | |
287 | } | |
288 | ||
289 | /* | |
290 | * exchange channeles on SRC if possible, | |
291 | * otherwise, R/L volume settings on DVC | |
292 | * changes inverted channels | |
293 | */ | |
294 | if (mod == target) | |
295 | return val; | |
296 | else | |
297 | return 0x76543210; | |
298 | } | |
299 | ||
1536a968 KM |
300 | /* |
301 | * rsnd_dai functions | |
302 | */ | |
32a96d55 | 303 | #define rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
304 | ({ \ |
305 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
306 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
5451ea44 KM |
307 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
308 | u8 val = (mod->status >> __rsnd_mod_shift_##func) & 0xF; \ | |
309 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ | |
417f9642 | 310 | int ret = 0; \ |
32a96d55 | 311 | int call = (val == __rsnd_mod_call_##func) && (mod)->ops->func; \ |
a48e3f97 KM |
312 | mod->status = (mod->status & ~mask) + \ |
313 | (add << __rsnd_mod_shift_##func); \ | |
1355720a KM |
314 | dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ |
315 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
316 | mod->status, call ? #func : ""); \ | |
317 | if (call) \ | |
318 | ret = (mod)->ops->func(mod, io, param); \ | |
417f9642 | 319 | ret; \ |
d870a91e KM |
320 | }) |
321 | ||
690602fc | 322 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 323 | ({ \ |
a126021d KM |
324 | struct rsnd_mod *mod; \ |
325 | int ret = 0, i; \ | |
326 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
327 | mod = (io)->mod[i]; \ | |
328 | if (!mod) \ | |
329 | continue; \ | |
89e3e2c3 | 330 | ret |= rsnd_mod_call(mod, io, fn, param); \ |
d870a91e KM |
331 | } \ |
332 | ret; \ | |
cdaa3cdf KM |
333 | }) |
334 | ||
27924f32 KM |
335 | int rsnd_dai_connect(struct rsnd_mod *mod, |
336 | struct rsnd_dai_stream *io, | |
337 | enum rsnd_mod_type type) | |
cdaa3cdf | 338 | { |
48725e9c KM |
339 | struct rsnd_priv *priv; |
340 | struct device *dev; | |
84e95355 | 341 | |
6020779b | 342 | if (!mod) |
cdaa3cdf | 343 | return -EIO; |
cdaa3cdf | 344 | |
48725e9c KM |
345 | priv = rsnd_mod_to_priv(mod); |
346 | dev = rsnd_priv_to_dev(priv); | |
347 | ||
27924f32 | 348 | io->mod[type] = mod; |
cdaa3cdf | 349 | |
84e95355 KM |
350 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
351 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
352 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
353 | ||
cdaa3cdf KM |
354 | return 0; |
355 | } | |
356 | ||
d3a76823 | 357 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
358 | struct rsnd_dai_stream *io, |
359 | enum rsnd_mod_type type) | |
d3a76823 | 360 | { |
27924f32 | 361 | io->mod[type] = NULL; |
d3a76823 KM |
362 | } |
363 | ||
710d0889 | 364 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 365 | { |
ecba9e72 | 366 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
367 | return NULL; |
368 | ||
1536a968 KM |
369 | return priv->rdai + id; |
370 | } | |
371 | ||
eb2535f5 | 372 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
373 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
374 | { | |
eb2535f5 | 375 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 376 | |
710d0889 | 377 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
378 | } |
379 | ||
1536a968 KM |
380 | /* |
381 | * rsnd_soc_dai functions | |
382 | */ | |
383 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
384 | { | |
385 | struct snd_pcm_substream *substream = io->substream; | |
386 | struct snd_pcm_runtime *runtime = substream->runtime; | |
387 | int pos = io->byte_pos + additional; | |
388 | ||
389 | pos %= (runtime->periods * io->byte_per_period); | |
390 | ||
391 | return pos; | |
392 | } | |
393 | ||
75defee0 | 394 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
395 | { |
396 | io->byte_pos += byte; | |
397 | ||
398 | if (io->byte_pos >= io->next_period_byte) { | |
399 | struct snd_pcm_substream *substream = io->substream; | |
400 | struct snd_pcm_runtime *runtime = substream->runtime; | |
401 | ||
402 | io->period_pos++; | |
403 | io->next_period_byte += io->byte_per_period; | |
404 | ||
405 | if (io->period_pos >= runtime->periods) { | |
406 | io->byte_pos = 0; | |
407 | io->period_pos = 0; | |
408 | io->next_period_byte = io->byte_per_period; | |
409 | } | |
410 | ||
75defee0 | 411 | return true; |
1536a968 | 412 | } |
75defee0 KM |
413 | |
414 | return false; | |
415 | } | |
416 | ||
417 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
418 | { | |
419 | struct snd_pcm_substream *substream = io->substream; | |
420 | ||
421 | /* | |
422 | * this function should be called... | |
423 | * | |
424 | * - if rsnd_dai_pointer_update() returns true | |
425 | * - without spin lock | |
426 | */ | |
427 | ||
428 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
429 | } |
430 | ||
5626ad08 | 431 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
432 | struct snd_pcm_substream *substream) |
433 | { | |
434 | struct snd_pcm_runtime *runtime = substream->runtime; | |
435 | ||
1536a968 KM |
436 | io->substream = substream; |
437 | io->byte_pos = 0; | |
438 | io->period_pos = 0; | |
439 | io->byte_per_period = runtime->period_size * | |
440 | runtime->channels * | |
441 | samples_to_bytes(runtime, 1); | |
442 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 443 | } |
1536a968 | 444 | |
5626ad08 KM |
445 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
446 | { | |
447 | io->substream = NULL; | |
1536a968 KM |
448 | } |
449 | ||
450 | static | |
451 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
452 | { | |
453 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
454 | ||
455 | return rtd->cpu_dai; | |
456 | } | |
457 | ||
458 | static | |
459 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
460 | struct snd_pcm_substream *substream) | |
461 | { | |
462 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
463 | return &rdai->playback; | |
464 | else | |
465 | return &rdai->capture; | |
466 | } | |
467 | ||
468 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
469 | struct snd_soc_dai *dai) | |
470 | { | |
eb2535f5 | 471 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
472 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
473 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 474 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
475 | int ret; |
476 | unsigned long flags; | |
477 | ||
02299d98 | 478 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
479 | |
480 | switch (cmd) { | |
481 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 482 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
483 | |
484 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
485 | if (ret < 0) | |
486 | goto dai_trigger_end; | |
487 | ||
690602fc | 488 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
489 | if (ret < 0) |
490 | goto dai_trigger_end; | |
491 | ||
690602fc | 492 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
493 | if (ret < 0) |
494 | goto dai_trigger_end; | |
1536a968 KM |
495 | break; |
496 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 497 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf | 498 | |
89e3e2c3 | 499 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 500 | |
89e3e2c3 | 501 | ret |= rsnd_platform_call(priv, dai, stop, ssi_id); |
5626ad08 KM |
502 | |
503 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
504 | break; |
505 | default: | |
506 | ret = -EINVAL; | |
507 | } | |
508 | ||
509 | dai_trigger_end: | |
02299d98 | 510 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
511 | |
512 | return ret; | |
513 | } | |
514 | ||
515 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
516 | { | |
517 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
518 | ||
519 | /* set master/slave audio interface */ | |
520 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
521 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 522 | rdai->clk_master = 0; |
1536a968 KM |
523 | break; |
524 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 525 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
526 | break; |
527 | default: | |
528 | return -EINVAL; | |
529 | } | |
530 | ||
1536a968 KM |
531 | /* set format */ |
532 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
533 | case SND_SOC_DAIFMT_I2S: | |
534 | rdai->sys_delay = 0; | |
535 | rdai->data_alignment = 0; | |
1a7889ca | 536 | rdai->frm_clk_inv = 0; |
1536a968 KM |
537 | break; |
538 | case SND_SOC_DAIFMT_LEFT_J: | |
539 | rdai->sys_delay = 1; | |
540 | rdai->data_alignment = 0; | |
1a7889ca | 541 | rdai->frm_clk_inv = 1; |
1536a968 KM |
542 | break; |
543 | case SND_SOC_DAIFMT_RIGHT_J: | |
544 | rdai->sys_delay = 1; | |
545 | rdai->data_alignment = 1; | |
1a7889ca KM |
546 | rdai->frm_clk_inv = 1; |
547 | break; | |
548 | } | |
549 | ||
550 | /* set clock inversion */ | |
551 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
552 | case SND_SOC_DAIFMT_NB_IF: | |
553 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
554 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
555 | break; | |
556 | case SND_SOC_DAIFMT_IB_NF: | |
557 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
558 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
559 | break; | |
560 | case SND_SOC_DAIFMT_IB_IF: | |
561 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
562 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
563 | break; | |
564 | case SND_SOC_DAIFMT_NB_NF: | |
565 | default: | |
1536a968 KM |
566 | break; |
567 | } | |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
572 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
573 | .trigger = rsnd_soc_dai_trigger, | |
574 | .set_fmt = rsnd_soc_dai_set_fmt, | |
575 | }; | |
576 | ||
27924f32 | 577 | #define rsnd_path_add(priv, io, _type) \ |
739f9502 KM |
578 | ({ \ |
579 | struct rsnd_mod *mod; \ | |
580 | int ret = 0; \ | |
581 | int id = -1; \ | |
582 | \ | |
27924f32 KM |
583 | if (rsnd_is_enable_path(io, _type)) { \ |
584 | id = rsnd_info_id(priv, io, _type); \ | |
739f9502 | 585 | if (id >= 0) { \ |
27924f32 KM |
586 | mod = rsnd_##_type##_mod_get(priv, id); \ |
587 | ret = rsnd_dai_connect(mod, io, mod->type);\ | |
739f9502 KM |
588 | } \ |
589 | } \ | |
590 | ret; \ | |
591 | }) | |
592 | ||
27924f32 | 593 | #define rsnd_path_remove(priv, io, _type) \ |
d3a76823 KM |
594 | { \ |
595 | struct rsnd_mod *mod; \ | |
596 | int id = -1; \ | |
597 | \ | |
27924f32 KM |
598 | if (rsnd_is_enable_path(io, _type)) { \ |
599 | id = rsnd_info_id(priv, io, _type); \ | |
d3a76823 | 600 | if (id >= 0) { \ |
27924f32 KM |
601 | mod = rsnd_##_type##_mod_get(priv, id); \ |
602 | rsnd_dai_disconnect(mod, io, mod->type);\ | |
d3a76823 KM |
603 | } \ |
604 | } \ | |
605 | } | |
606 | ||
e2c08416 KM |
607 | void rsnd_path_parse(struct rsnd_priv *priv, |
608 | struct rsnd_dai_stream *io) | |
609 | { | |
e2c08416 | 610 | struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io); |
70fb1052 KM |
611 | struct rsnd_mod *mix = rsnd_io_to_mod_mix(io); |
612 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
613 | struct rsnd_mod *cmd; | |
614 | struct device *dev = rsnd_priv_to_dev(priv); | |
615 | u32 data; | |
e2c08416 KM |
616 | |
617 | /* Gen1 is not supported */ | |
618 | if (rsnd_is_gen1(priv)) | |
619 | return; | |
620 | ||
70fb1052 KM |
621 | if (!mix && !dvc) |
622 | return; | |
623 | ||
624 | if (mix) { | |
625 | struct rsnd_dai *rdai; | |
626 | int i; | |
627 | u32 path[] = { | |
628 | [0] = 0, | |
629 | [1] = 1 << 0, | |
630 | [2] = 0, | |
631 | [3] = 0, | |
632 | [4] = 0, | |
633 | [5] = 1 << 8 | |
634 | }; | |
635 | ||
636 | /* | |
637 | * it is assuming that integrater is well understanding about | |
638 | * data path. Here doesn't check impossible connection, | |
639 | * like src2 + src5 | |
640 | */ | |
641 | data = 0; | |
642 | for_each_rsnd_dai(rdai, priv, i) { | |
643 | io = &rdai->playback; | |
644 | if (mix == rsnd_io_to_mod_mix(io)) | |
645 | data |= path[rsnd_mod_id(src)]; | |
646 | ||
647 | io = &rdai->capture; | |
648 | if (mix == rsnd_io_to_mod_mix(io)) | |
649 | data |= path[rsnd_mod_id(src)]; | |
650 | } | |
651 | ||
652 | /* | |
653 | * We can't use ctu = rsnd_io_ctu() here. | |
654 | * Since, ID of dvc/mix are 0 or 1 (= same as CMD number) | |
655 | * but ctu IDs are 0 - 7 (= CTU00 - CTU13) | |
656 | */ | |
657 | cmd = mix; | |
658 | } else { | |
659 | u32 path[] = { | |
660 | [0] = 0x30000, | |
661 | [1] = 0x30001, | |
662 | [2] = 0x40000, | |
663 | [3] = 0x10000, | |
664 | [4] = 0x20000, | |
665 | [5] = 0x40100 | |
666 | }; | |
667 | ||
668 | data = path[rsnd_mod_id(src)]; | |
669 | ||
670 | cmd = dvc; | |
671 | } | |
672 | ||
673 | dev_dbg(dev, "ctu/mix path = 0x%08x", data); | |
674 | ||
675 | rsnd_mod_write(cmd, CMD_ROUTE_SLCT, data); | |
676 | ||
677 | rsnd_mod_write(cmd, CMD_CTRL, 0x10); | |
e2c08416 KM |
678 | } |
679 | ||
9bfed6cf KM |
680 | static int rsnd_path_init(struct rsnd_priv *priv, |
681 | struct rsnd_dai *rdai, | |
682 | struct rsnd_dai_stream *io) | |
683 | { | |
9bfed6cf | 684 | int ret; |
9bfed6cf KM |
685 | |
686 | /* | |
687 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
688 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
689 | * | |
690 | * Easy image is.. | |
691 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
692 | * | |
693 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
694 | * using fixed path. | |
9bfed6cf | 695 | */ |
9bfed6cf | 696 | |
78edead4 KM |
697 | /* SSI */ |
698 | ret = rsnd_path_add(priv, io, ssi); | |
739f9502 KM |
699 | if (ret < 0) |
700 | return ret; | |
9bfed6cf | 701 | |
78edead4 KM |
702 | /* SRC */ |
703 | ret = rsnd_path_add(priv, io, src); | |
739f9502 KM |
704 | if (ret < 0) |
705 | return ret; | |
9bfed6cf | 706 | |
9269e3c3 KM |
707 | /* CTU */ |
708 | ret = rsnd_path_add(priv, io, ctu); | |
709 | if (ret < 0) | |
710 | return ret; | |
711 | ||
70fb1052 KM |
712 | /* MIX */ |
713 | ret = rsnd_path_add(priv, io, mix); | |
714 | if (ret < 0) | |
715 | return ret; | |
716 | ||
bff58ea4 | 717 | /* DVC */ |
c8cf15f6 | 718 | ret = rsnd_path_add(priv, io, dvc); |
bff58ea4 KM |
719 | if (ret < 0) |
720 | return ret; | |
9bfed6cf KM |
721 | |
722 | return ret; | |
723 | } | |
724 | ||
90e8e50f KM |
725 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
726 | const struct rsnd_of_data *of_data, | |
727 | struct rsnd_priv *priv) | |
728 | { | |
729 | struct device_node *dai_node, *dai_np; | |
730 | struct device_node *ssi_node, *ssi_np; | |
731 | struct device_node *src_node, *src_np; | |
9269e3c3 | 732 | struct device_node *ctu_node, *ctu_np; |
70fb1052 | 733 | struct device_node *mix_node, *mix_np; |
34cb6123 | 734 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
735 | struct device_node *playback, *capture; |
736 | struct rsnd_dai_platform_info *dai_info; | |
737 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
738 | struct device *dev = &pdev->dev; | |
739 | int nr, i; | |
70fb1052 | 740 | int dai_i, ssi_i, src_i, ctu_i, mix_i, dvc_i; |
90e8e50f KM |
741 | |
742 | if (!of_data) | |
743 | return; | |
744 | ||
745 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
746 | if (!dai_node) | |
747 | return; | |
748 | ||
749 | nr = of_get_child_count(dai_node); | |
750 | if (!nr) | |
751 | return; | |
752 | ||
753 | dai_info = devm_kzalloc(dev, | |
754 | sizeof(struct rsnd_dai_platform_info) * nr, | |
755 | GFP_KERNEL); | |
756 | if (!dai_info) { | |
757 | dev_err(dev, "dai info allocation error\n"); | |
758 | return; | |
759 | } | |
760 | ||
761 | info->dai_info_nr = nr; | |
762 | info->dai_info = dai_info; | |
763 | ||
764 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
765 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
9269e3c3 | 766 | ctu_node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu"); |
70fb1052 | 767 | mix_node = of_get_child_by_name(dev->of_node, "rcar_sound,mix"); |
34cb6123 | 768 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
769 | |
770 | #define mod_parse(name) \ | |
771 | if (name##_node) { \ | |
772 | struct rsnd_##name##_platform_info *name##_info; \ | |
773 | \ | |
774 | name##_i = 0; \ | |
775 | for_each_child_of_node(name##_node, name##_np) { \ | |
776 | name##_info = info->name##_info + name##_i; \ | |
777 | \ | |
778 | if (name##_np == playback) \ | |
779 | dai_info->playback.name = name##_info; \ | |
780 | if (name##_np == capture) \ | |
781 | dai_info->capture.name = name##_info; \ | |
782 | \ | |
783 | name##_i++; \ | |
784 | } \ | |
785 | } | |
786 | ||
787 | /* | |
788 | * parse all dai | |
789 | */ | |
790 | dai_i = 0; | |
791 | for_each_child_of_node(dai_node, dai_np) { | |
792 | dai_info = info->dai_info + dai_i; | |
793 | ||
794 | for (i = 0;; i++) { | |
795 | ||
796 | playback = of_parse_phandle(dai_np, "playback", i); | |
797 | capture = of_parse_phandle(dai_np, "capture", i); | |
798 | ||
799 | if (!playback && !capture) | |
800 | break; | |
801 | ||
802 | mod_parse(ssi); | |
803 | mod_parse(src); | |
9269e3c3 | 804 | mod_parse(ctu); |
70fb1052 | 805 | mod_parse(mix); |
34cb6123 | 806 | mod_parse(dvc); |
90e8e50f | 807 | |
a493b6a6 JL |
808 | of_node_put(playback); |
809 | of_node_put(capture); | |
90e8e50f KM |
810 | } |
811 | ||
812 | dai_i++; | |
813 | } | |
814 | } | |
815 | ||
1536a968 | 816 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 817 | const struct rsnd_of_data *of_data, |
1536a968 KM |
818 | struct rsnd_priv *priv) |
819 | { | |
820 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 821 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 822 | struct rsnd_dai *rdai; |
29e69fd2 | 823 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 824 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 825 | int dai_nr; |
4b4dab82 KM |
826 | int i; |
827 | ||
90e8e50f KM |
828 | rsnd_of_parse_dai(pdev, of_data, priv); |
829 | ||
90e8e50f | 830 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
831 | if (!dai_nr) { |
832 | dev_err(dev, "no dai\n"); | |
833 | return -EIO; | |
834 | } | |
1536a968 KM |
835 | |
836 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
837 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
838 | if (!drv || !rdai) { | |
839 | dev_err(dev, "dai allocate failed\n"); | |
840 | return -ENOMEM; | |
841 | } | |
842 | ||
ecba9e72 | 843 | priv->rdai_nr = dai_nr; |
49848073 KM |
844 | priv->daidrv = drv; |
845 | priv->rdai = rdai; | |
846 | ||
1536a968 | 847 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 848 | |
7c57d76f KM |
849 | pmod = info->dai_info[i].playback.ssi; |
850 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
851 | |
852 | /* | |
853 | * init rsnd_dai | |
854 | */ | |
1536a968 | 855 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 856 | rdai[i].priv = priv; |
1536a968 KM |
857 | |
858 | /* | |
859 | * init snd_soc_dai_driver | |
860 | */ | |
861 | drv[i].name = rdai[i].name; | |
862 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 863 | if (pmod) { |
f8c3c309 KM |
864 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
865 | "DAI%d Playback", i); | |
866 | ||
1536a968 KM |
867 | drv[i].playback.rates = RSND_RATES; |
868 | drv[i].playback.formats = RSND_FMTS; | |
869 | drv[i].playback.channels_min = 2; | |
870 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 871 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 872 | |
29e69fd2 | 873 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 874 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 875 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 876 | } |
4b4dab82 | 877 | if (cmod) { |
f8c3c309 KM |
878 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
879 | "DAI%d Capture", i); | |
880 | ||
1536a968 KM |
881 | drv[i].capture.rates = RSND_RATES; |
882 | drv[i].capture.formats = RSND_FMTS; | |
883 | drv[i].capture.channels_min = 2; | |
884 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 885 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 886 | |
29e69fd2 | 887 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 888 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 889 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
890 | } |
891 | ||
4b4dab82 KM |
892 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
893 | pmod ? "play" : " -- ", | |
894 | cmod ? "capture" : " -- "); | |
1536a968 KM |
895 | } |
896 | ||
1536a968 KM |
897 | return 0; |
898 | } | |
899 | ||
1536a968 KM |
900 | /* |
901 | * pcm ops | |
902 | */ | |
903 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
904 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
905 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 906 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
907 | .buffer_bytes_max = 64 * 1024, |
908 | .period_bytes_min = 32, | |
909 | .period_bytes_max = 8192, | |
910 | .periods_min = 1, | |
911 | .periods_max = 32, | |
912 | .fifo_size = 256, | |
913 | }; | |
914 | ||
915 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
916 | { | |
917 | struct snd_pcm_runtime *runtime = substream->runtime; | |
918 | int ret = 0; | |
919 | ||
920 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
921 | ||
922 | ret = snd_pcm_hw_constraint_integer(runtime, | |
923 | SNDRV_PCM_HW_PARAM_PERIODS); | |
924 | ||
925 | return ret; | |
926 | } | |
927 | ||
928 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
929 | struct snd_pcm_hw_params *hw_params) | |
930 | { | |
3b7843ff KM |
931 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
932 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
933 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
934 | int ret; | |
935 | ||
936 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
937 | if (ret) | |
938 | return ret; | |
939 | ||
1536a968 KM |
940 | return snd_pcm_lib_malloc_pages(substream, |
941 | params_buffer_bytes(hw_params)); | |
942 | } | |
943 | ||
944 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
945 | { | |
946 | struct snd_pcm_runtime *runtime = substream->runtime; | |
947 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
948 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
949 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
950 | ||
951 | return bytes_to_frames(runtime, io->byte_pos); | |
952 | } | |
953 | ||
954 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
955 | .open = rsnd_pcm_open, | |
956 | .ioctl = snd_pcm_lib_ioctl, | |
957 | .hw_params = rsnd_hw_params, | |
958 | .hw_free = snd_pcm_lib_free_pages, | |
959 | .pointer = rsnd_pointer, | |
960 | }; | |
961 | ||
170a2497 KM |
962 | /* |
963 | * snd_kcontrol | |
964 | */ | |
965 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
966 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
967 | struct snd_ctl_elem_info *uinfo) | |
968 | { | |
969 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
970 | ||
971 | if (cfg->texts) { | |
972 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
973 | uinfo->count = cfg->size; | |
974 | uinfo->value.enumerated.items = cfg->max; | |
975 | if (uinfo->value.enumerated.item >= cfg->max) | |
976 | uinfo->value.enumerated.item = cfg->max - 1; | |
977 | strlcpy(uinfo->value.enumerated.name, | |
978 | cfg->texts[uinfo->value.enumerated.item], | |
979 | sizeof(uinfo->value.enumerated.name)); | |
980 | } else { | |
981 | uinfo->count = cfg->size; | |
982 | uinfo->value.integer.min = 0; | |
983 | uinfo->value.integer.max = cfg->max; | |
984 | uinfo->type = (cfg->max == 1) ? | |
985 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
986 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
987 | } | |
988 | ||
989 | return 0; | |
990 | } | |
991 | ||
992 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
993 | struct snd_ctl_elem_value *uc) | |
994 | { | |
995 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
996 | int i; | |
997 | ||
998 | for (i = 0; i < cfg->size; i++) | |
999 | if (cfg->texts) | |
1000 | uc->value.enumerated.item[i] = cfg->val[i]; | |
1001 | else | |
1002 | uc->value.integer.value[i] = cfg->val[i]; | |
1003 | ||
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
1008 | struct snd_ctl_elem_value *uc) | |
1009 | { | |
1010 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
1011 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
1012 | int i, change = 0; | |
1013 | ||
1014 | for (i = 0; i < cfg->size; i++) { | |
1015 | if (cfg->texts) { | |
1016 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
1017 | cfg->val[i] = uc->value.enumerated.item[i]; | |
1018 | } else { | |
1019 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
1020 | cfg->val[i] = uc->value.integer.value[i]; | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | if (change) | |
b65a7ccc | 1025 | cfg->update(cfg->io, mod); |
170a2497 KM |
1026 | |
1027 | return change; | |
1028 | } | |
1029 | ||
1030 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 1031 | struct rsnd_dai_stream *io, |
170a2497 KM |
1032 | struct snd_soc_pcm_runtime *rtd, |
1033 | const unsigned char *name, | |
1034 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
1035 | void (*update)(struct rsnd_dai_stream *io, |
1036 | struct rsnd_mod *mod)) | |
170a2497 | 1037 | { |
da620d72 | 1038 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
1039 | struct snd_card *card = rtd->card->snd_card; |
1040 | struct snd_kcontrol *kctrl; | |
1041 | struct snd_kcontrol_new knew = { | |
1042 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1043 | .name = name, | |
1044 | .info = rsnd_kctrl_info, | |
da620d72 | 1045 | .index = rtd - soc_card->rtd, |
170a2497 KM |
1046 | .get = rsnd_kctrl_get, |
1047 | .put = rsnd_kctrl_put, | |
1048 | .private_value = (unsigned long)cfg, | |
1049 | }; | |
1050 | int ret; | |
1051 | ||
1052 | kctrl = snd_ctl_new1(&knew, mod); | |
1053 | if (!kctrl) | |
1054 | return -ENOMEM; | |
1055 | ||
1056 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
1057 | if (ret < 0) { |
1058 | snd_ctl_free_one(kctrl); | |
170a2497 | 1059 | return ret; |
d1f83d6e | 1060 | } |
170a2497 KM |
1061 | |
1062 | cfg->update = update; | |
d1f83d6e KM |
1063 | cfg->card = card; |
1064 | cfg->kctrl = kctrl; | |
b65a7ccc | 1065 | cfg->io = io; |
170a2497 KM |
1066 | |
1067 | return 0; | |
1068 | } | |
1069 | ||
d1f83d6e KM |
1070 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
1071 | { | |
1072 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
1073 | } | |
1074 | ||
170a2497 | 1075 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 1076 | struct rsnd_dai_stream *io, |
170a2497 KM |
1077 | struct snd_soc_pcm_runtime *rtd, |
1078 | const unsigned char *name, | |
b65a7ccc KM |
1079 | void (*update)(struct rsnd_dai_stream *io, |
1080 | struct rsnd_mod *mod), | |
170a2497 KM |
1081 | struct rsnd_kctrl_cfg_m *_cfg, |
1082 | u32 max) | |
1083 | { | |
1084 | _cfg->cfg.max = max; | |
1085 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
1086 | _cfg->cfg.val = _cfg->val; | |
b65a7ccc | 1087 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1088 | } |
1089 | ||
1090 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 1091 | struct rsnd_dai_stream *io, |
170a2497 KM |
1092 | struct snd_soc_pcm_runtime *rtd, |
1093 | const unsigned char *name, | |
b65a7ccc KM |
1094 | void (*update)(struct rsnd_dai_stream *io, |
1095 | struct rsnd_mod *mod), | |
170a2497 KM |
1096 | struct rsnd_kctrl_cfg_s *_cfg, |
1097 | u32 max) | |
1098 | { | |
1099 | _cfg->cfg.max = max; | |
1100 | _cfg->cfg.size = 1; | |
1101 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 1102 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1103 | } |
1104 | ||
1105 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 1106 | struct rsnd_dai_stream *io, |
170a2497 KM |
1107 | struct snd_soc_pcm_runtime *rtd, |
1108 | const unsigned char *name, | |
1109 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
1110 | void (*update)(struct rsnd_dai_stream *io, |
1111 | struct rsnd_mod *mod), | |
170a2497 KM |
1112 | const char * const *texts, |
1113 | u32 max) | |
1114 | { | |
1115 | _cfg->cfg.max = max; | |
1116 | _cfg->cfg.size = 1; | |
1117 | _cfg->cfg.val = &_cfg->val; | |
1118 | _cfg->cfg.texts = texts; | |
b65a7ccc | 1119 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1120 | } |
1121 | ||
1536a968 KM |
1122 | /* |
1123 | * snd_soc_platform | |
1124 | */ | |
1125 | ||
1126 | #define PREALLOC_BUFFER (32 * 1024) | |
1127 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1128 | ||
1129 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
1130 | { | |
7c63f3c0 KM |
1131 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1132 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1133 | int ret; |
bff58ea4 | 1134 | |
ae11a9be KM |
1135 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1136 | if (ret) | |
1137 | return ret; | |
bff58ea4 | 1138 | |
ae11a9be | 1139 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1140 | if (ret) |
1141 | return ret; | |
bff58ea4 | 1142 | |
1536a968 KM |
1143 | return snd_pcm_lib_preallocate_pages_for_all( |
1144 | rtd->pcm, | |
1145 | SNDRV_DMA_TYPE_DEV, | |
1146 | rtd->card->snd_card->dev, | |
1147 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
1148 | } | |
1149 | ||
1536a968 KM |
1150 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1151 | .ops = &rsnd_pcm_ops, | |
1152 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1153 | }; |
1154 | ||
1155 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1156 | .name = "rsnd", | |
1157 | }; | |
1158 | ||
d3a76823 | 1159 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1160 | struct rsnd_dai_stream *io) |
d3a76823 | 1161 | { |
d3a76823 KM |
1162 | int ret; |
1163 | ||
690602fc | 1164 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1165 | if (ret == -EAGAIN) { |
1166 | /* | |
1167 | * Fallback to PIO mode | |
1168 | */ | |
1169 | ||
1170 | /* | |
1171 | * call "remove" for SSI/SRC/DVC | |
1172 | * SSI will be switch to PIO mode if it was DMA mode | |
1173 | * see | |
1174 | * rsnd_dma_init() | |
97463e19 | 1175 | * rsnd_ssi_fallback() |
d3a76823 | 1176 | */ |
690602fc | 1177 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1178 | |
1179 | /* | |
1180 | * remove SRC/DVC from DAI, | |
1181 | */ | |
c8cf15f6 KM |
1182 | rsnd_path_remove(priv, io, src); |
1183 | rsnd_path_remove(priv, io, dvc); | |
d3a76823 | 1184 | |
97463e19 KM |
1185 | /* |
1186 | * fallback | |
1187 | */ | |
690602fc | 1188 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1189 | |
d3a76823 KM |
1190 | /* |
1191 | * retry to "probe". | |
1192 | * DAI has SSI which is PIO mode only now. | |
1193 | */ | |
690602fc | 1194 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1195 | } |
1196 | ||
1197 | return ret; | |
1198 | } | |
1199 | ||
1536a968 KM |
1200 | /* |
1201 | * rsnd probe | |
1202 | */ | |
1203 | static int rsnd_probe(struct platform_device *pdev) | |
1204 | { | |
1205 | struct rcar_snd_info *info; | |
1206 | struct rsnd_priv *priv; | |
1207 | struct device *dev = &pdev->dev; | |
7681f6ac | 1208 | struct rsnd_dai *rdai; |
90e8e50f KM |
1209 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1210 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1211 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1212 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1213 | struct rsnd_priv *priv) = { |
1214 | rsnd_gen_probe, | |
288f392e | 1215 | rsnd_dma_probe, |
d1ac970f | 1216 | rsnd_ssi_probe, |
ba9c949f | 1217 | rsnd_src_probe, |
9269e3c3 | 1218 | rsnd_ctu_probe, |
70fb1052 | 1219 | rsnd_mix_probe, |
bff58ea4 | 1220 | rsnd_dvc_probe, |
d1ac970f KM |
1221 | rsnd_adg_probe, |
1222 | rsnd_dai_probe, | |
1223 | }; | |
1224 | int ret, i; | |
1536a968 | 1225 | |
dcc448e6 GU |
1226 | info = devm_kzalloc(&pdev->dev, sizeof(struct rcar_snd_info), |
1227 | GFP_KERNEL); | |
1228 | if (!info) | |
1229 | return -ENOMEM; | |
1230 | of_data = of_id->data; | |
1536a968 KM |
1231 | |
1232 | /* | |
1233 | * init priv data | |
1234 | */ | |
1235 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1236 | if (!priv) { | |
1237 | dev_err(dev, "priv allocate failed\n"); | |
1238 | return -ENODEV; | |
1239 | } | |
1240 | ||
9f464f8e | 1241 | priv->pdev = pdev; |
1536a968 KM |
1242 | priv->info = info; |
1243 | spin_lock_init(&priv->lock); | |
1244 | ||
1245 | /* | |
1246 | * init each module | |
1247 | */ | |
d1ac970f | 1248 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1249 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1250 | if (ret) |
1251 | return ret; | |
1252 | } | |
07539c1d | 1253 | |
7681f6ac | 1254 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1255 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1256 | if (ret) |
d62a3dcd | 1257 | goto exit_snd_probe; |
dfc9403b | 1258 | |
f708d944 | 1259 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1260 | if (ret) |
d62a3dcd | 1261 | goto exit_snd_probe; |
7681f6ac | 1262 | } |
4b4dab82 | 1263 | |
0b1f6ec7 KM |
1264 | dev_set_drvdata(dev, priv); |
1265 | ||
1536a968 KM |
1266 | /* |
1267 | * asoc register | |
1268 | */ | |
1269 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1270 | if (ret < 0) { | |
1271 | dev_err(dev, "cannot snd soc register\n"); | |
1272 | return ret; | |
1273 | } | |
1274 | ||
1275 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1276 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1277 | if (ret < 0) { |
1278 | dev_err(dev, "cannot snd dai register\n"); | |
1279 | goto exit_snd_soc; | |
1280 | } | |
1281 | ||
1536a968 KM |
1282 | pm_runtime_enable(dev); |
1283 | ||
1284 | dev_info(dev, "probed\n"); | |
1285 | return ret; | |
1286 | ||
1287 | exit_snd_soc: | |
1288 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1289 | exit_snd_probe: |
1290 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1291 | rsnd_dai_call(remove, &rdai->playback, priv); |
1292 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1293 | } |
1536a968 KM |
1294 | |
1295 | return ret; | |
1296 | } | |
1297 | ||
1298 | static int rsnd_remove(struct platform_device *pdev) | |
1299 | { | |
1300 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1301 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1302 | void (*remove_func[])(struct platform_device *pdev, |
1303 | struct rsnd_priv *priv) = { | |
1304 | rsnd_ssi_remove, | |
1305 | rsnd_src_remove, | |
9269e3c3 | 1306 | rsnd_ctu_remove, |
70fb1052 | 1307 | rsnd_mix_remove, |
2f78dd7f KM |
1308 | rsnd_dvc_remove, |
1309 | }; | |
d62a3dcd | 1310 | int ret = 0, i; |
1536a968 KM |
1311 | |
1312 | pm_runtime_disable(&pdev->dev); | |
1313 | ||
7681f6ac | 1314 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1315 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1316 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1317 | } |
1536a968 | 1318 | |
2f78dd7f KM |
1319 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1320 | remove_func[i](pdev, priv); | |
1321 | ||
d7c42ff8 KM |
1322 | snd_soc_unregister_component(&pdev->dev); |
1323 | snd_soc_unregister_platform(&pdev->dev); | |
1324 | ||
d62a3dcd | 1325 | return ret; |
1536a968 KM |
1326 | } |
1327 | ||
1328 | static struct platform_driver rsnd_driver = { | |
1329 | .driver = { | |
1330 | .name = "rcar_sound", | |
90e8e50f | 1331 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1332 | }, |
1333 | .probe = rsnd_probe, | |
1334 | .remove = rsnd_remove, | |
1335 | }; | |
1336 | module_platform_driver(rsnd_driver); | |
1337 | ||
1338 | MODULE_LICENSE("GPL"); | |
1339 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1340 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1341 | MODULE_ALIAS("platform:rcar-pcm-audio"); |