Commit | Line | Data |
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1536a968 KM |
1 | /* |
2 | * Renesas R-Car SRU/SCU/SSIU/SSI support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
6 | * | |
7 | * Based on fsi.c | |
8 | * Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | /* | |
16 | * Renesas R-Car sound device structure | |
17 | * | |
18 | * Gen1 | |
19 | * | |
20 | * SRU : Sound Routing Unit | |
21 | * - SRC : Sampling Rate Converter | |
22 | * - CMD | |
23 | * - CTU : Channel Count Conversion Unit | |
24 | * - MIX : Mixer | |
25 | * - DVC : Digital Volume and Mute Function | |
26 | * - SSI : Serial Sound Interface | |
27 | * | |
28 | * Gen2 | |
29 | * | |
30 | * SCU : Sampling Rate Converter Unit | |
31 | * - SRC : Sampling Rate Converter | |
32 | * - CMD | |
33 | * - CTU : Channel Count Conversion Unit | |
34 | * - MIX : Mixer | |
35 | * - DVC : Digital Volume and Mute Function | |
36 | * SSIU : Serial Sound Interface Unit | |
37 | * - SSI : Serial Sound Interface | |
38 | */ | |
39 | ||
40 | /* | |
41 | * driver data Image | |
42 | * | |
43 | * rsnd_priv | |
44 | * | | |
45 | * | ** this depends on Gen1/Gen2 | |
46 | * | | |
47 | * +- gen | |
48 | * | | |
49 | * | ** these depend on data path | |
50 | * | ** gen and platform data control it | |
51 | * | | |
52 | * +- rdai[0] | |
53 | * | | sru ssiu ssi | |
54 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
55 | * | | | |
56 | * | | sru ssiu ssi | |
57 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
58 | * | | |
59 | * +- rdai[1] | |
60 | * | | sru ssiu ssi | |
61 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
62 | * | | | |
63 | * | | sru ssiu ssi | |
64 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
65 | * ... | |
66 | * | | |
67 | * | ** these control ssi | |
68 | * | | |
69 | * +- ssi | |
70 | * | | | |
71 | * | +- ssi[0] | |
72 | * | +- ssi[1] | |
73 | * | +- ssi[2] | |
74 | * | ... | |
75 | * | | |
ba9c949f | 76 | * | ** these control src |
1536a968 | 77 | * | |
ba9c949f | 78 | * +- src |
1536a968 | 79 | * | |
ba9c949f KM |
80 | * +- src[0] |
81 | * +- src[1] | |
82 | * +- src[2] | |
1536a968 KM |
83 | * ... |
84 | * | |
85 | * | |
86 | * for_each_rsnd_dai(xx, priv, xx) | |
87 | * rdai[0] => rdai[1] => rdai[2] => ... | |
88 | * | |
89 | * for_each_rsnd_mod(xx, rdai, xx) | |
90 | * [mod] => [mod] => [mod] => ... | |
91 | * | |
92 | * rsnd_dai_call(xxx, fn ) | |
93 | * [mod]->fn() -> [mod]->fn() -> [mod]->fn()... | |
94 | * | |
95 | */ | |
96 | #include <linux/pm_runtime.h> | |
97 | #include "rsnd.h" | |
98 | ||
99 | #define RSND_RATES SNDRV_PCM_RATE_8000_96000 | |
100 | #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) | |
101 | ||
969b8619 | 102 | static const struct rsnd_of_data rsnd_of_data_gen1 = { |
90e8e50f KM |
103 | .flags = RSND_GEN1, |
104 | }; | |
105 | ||
969b8619 | 106 | static const struct rsnd_of_data rsnd_of_data_gen2 = { |
90e8e50f KM |
107 | .flags = RSND_GEN2, |
108 | }; | |
109 | ||
33187fb4 | 110 | static const struct of_device_id rsnd_of_match[] = { |
90e8e50f KM |
111 | { .compatible = "renesas,rcar_sound-gen1", .data = &rsnd_of_data_gen1 }, |
112 | { .compatible = "renesas,rcar_sound-gen2", .data = &rsnd_of_data_gen2 }, | |
113 | {}, | |
114 | }; | |
115 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
116 | ||
1536a968 KM |
117 | /* |
118 | * rsnd_platform functions | |
119 | */ | |
120 | #define rsnd_platform_call(priv, dai, func, param...) \ | |
740ad6c3 | 121 | (!(priv->info->func) ? 0 : \ |
1536a968 KM |
122 | priv->info->func(param)) |
123 | ||
389933d9 KM |
124 | #define rsnd_is_enable_path(io, name) \ |
125 | ((io)->info ? (io)->info->name : NULL) | |
126 | #define rsnd_info_id(priv, io, name) \ | |
127 | ((io)->info->name - priv->info->name##_info) | |
128 | ||
cdaa3cdf KM |
129 | /* |
130 | * rsnd_mod functions | |
131 | */ | |
132 | char *rsnd_mod_name(struct rsnd_mod *mod) | |
133 | { | |
134 | if (!mod || !mod->ops) | |
135 | return "unknown"; | |
136 | ||
137 | return mod->ops->name; | |
138 | } | |
139 | ||
9b99e9a7 KM |
140 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
141 | struct rsnd_mod *mod) | |
d9288d0b | 142 | { |
72adc61f KM |
143 | if (!mod || !mod->ops || !mod->ops->dma_req) |
144 | return NULL; | |
d9288d0b | 145 | |
9b99e9a7 | 146 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
147 | } |
148 | ||
2099bc8e KM |
149 | int rsnd_mod_init(struct rsnd_priv *priv, |
150 | struct rsnd_mod *mod, | |
cdaa3cdf | 151 | struct rsnd_mod_ops *ops, |
85642952 | 152 | struct clk *clk, |
a126021d | 153 | enum rsnd_mod_type type, |
cdaa3cdf KM |
154 | int id) |
155 | { | |
2f78dd7f KM |
156 | int ret = clk_prepare(clk); |
157 | ||
158 | if (ret) | |
159 | return ret; | |
160 | ||
cdaa3cdf KM |
161 | mod->id = id; |
162 | mod->ops = ops; | |
a126021d | 163 | mod->type = type; |
85642952 | 164 | mod->clk = clk; |
2099bc8e | 165 | mod->priv = priv; |
2f78dd7f KM |
166 | |
167 | return ret; | |
168 | } | |
169 | ||
170 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
171 | { | |
172 | if (mod->clk) | |
173 | clk_unprepare(mod->clk); | |
cdaa3cdf KM |
174 | } |
175 | ||
f501b7a4 KM |
176 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
177 | void (*callback)(struct rsnd_mod *mod, | |
178 | struct rsnd_dai_stream *io)) | |
179 | { | |
180 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
181 | struct rsnd_dai_stream *io; | |
182 | struct rsnd_dai *rdai; | |
183 | int i, j; | |
184 | ||
185 | for_each_rsnd_dai(rdai, priv, j) { | |
186 | ||
187 | for (i = 0; i < RSND_MOD_MAX; i++) { | |
188 | io = &rdai->playback; | |
189 | if (mod == io->mod[i]) | |
190 | callback(mod, io); | |
191 | ||
192 | io = &rdai->capture; | |
193 | if (mod == io->mod[i]) | |
194 | callback(mod, io); | |
195 | } | |
196 | } | |
197 | } | |
198 | ||
d5bbe7de | 199 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 200 | { |
02299d98 KM |
201 | /* see rsnd_dai_stream_init/quit() */ |
202 | return !!io->substream; | |
203 | } | |
204 | ||
d7bdbc5d | 205 | /* |
3023b384 | 206 | * ADINR function |
d7bdbc5d | 207 | */ |
3023b384 | 208 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
209 | { |
210 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
211 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
212 | struct device *dev = rsnd_priv_to_dev(priv); | |
213 | u32 adinr = runtime->channels; | |
214 | ||
215 | switch (runtime->sample_bits) { | |
216 | case 16: | |
217 | adinr |= (8 << 16); | |
218 | break; | |
219 | case 32: | |
220 | adinr |= (0 << 16); | |
221 | break; | |
222 | default: | |
223 | dev_warn(dev, "not supported sample bits\n"); | |
224 | return 0; | |
225 | } | |
226 | ||
227 | return adinr; | |
228 | } | |
229 | ||
bfe1360d KM |
230 | u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
231 | { | |
232 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
233 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
234 | struct device *dev = rsnd_priv_to_dev(priv); | |
235 | u32 chan = runtime->channels; | |
236 | ||
237 | switch (chan) { | |
238 | case 1: | |
239 | case 2: | |
240 | case 4: | |
241 | case 6: | |
242 | case 8: | |
243 | break; | |
244 | default: | |
245 | dev_warn(dev, "not supported channel\n"); | |
246 | chan = 0; | |
247 | break; | |
248 | } | |
249 | ||
250 | return chan; | |
251 | } | |
4689032b KM |
252 | |
253 | /* | |
254 | * DALIGN function | |
255 | */ | |
256 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
257 | { | |
258 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
259 | struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io); | |
260 | struct rsnd_mod *target = src ? src : ssi; | |
261 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
262 | u32 val = 0x76543210; | |
263 | u32 mask = ~0; | |
264 | ||
265 | mask <<= runtime->channels * 4; | |
266 | val = val & mask; | |
267 | ||
268 | switch (runtime->sample_bits) { | |
269 | case 16: | |
270 | val |= 0x67452301 & ~mask; | |
271 | break; | |
272 | case 32: | |
273 | val |= 0x76543210 & ~mask; | |
274 | break; | |
275 | } | |
276 | ||
277 | /* | |
278 | * exchange channeles on SRC if possible, | |
279 | * otherwise, R/L volume settings on DVC | |
280 | * changes inverted channels | |
281 | */ | |
282 | if (mod == target) | |
283 | return val; | |
284 | else | |
285 | return 0x76543210; | |
286 | } | |
287 | ||
1536a968 KM |
288 | /* |
289 | * rsnd_dai functions | |
290 | */ | |
2c0fac19 | 291 | #define __rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
292 | ({ \ |
293 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
294 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
5451ea44 KM |
295 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
296 | u8 val = (mod->status >> __rsnd_mod_shift_##func) & 0xF; \ | |
297 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ | |
417f9642 | 298 | int ret = 0; \ |
5451ea44 KM |
299 | int called = 0; \ |
300 | if (val == __rsnd_mod_call_##func) { \ | |
301 | called = 1; \ | |
2c0fac19 | 302 | ret = (mod)->ops->func(mod, io, param); \ |
417f9642 | 303 | } \ |
a48e3f97 KM |
304 | mod->status = (mod->status & ~mask) + \ |
305 | (add << __rsnd_mod_shift_##func); \ | |
5451ea44 KM |
306 | dev_dbg(dev, "%s[%d] 0x%08x %s\n", \ |
307 | rsnd_mod_name(mod), rsnd_mod_id(mod), mod->status, \ | |
308 | called ? #func : ""); \ | |
417f9642 | 309 | ret; \ |
d870a91e KM |
310 | }) |
311 | ||
2c0fac19 | 312 | #define rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
313 | (!(mod) ? -ENODEV : \ |
314 | !((mod)->ops->func) ? 0 : \ | |
2c0fac19 | 315 | __rsnd_mod_call(mod, io, func, param)) |
d870a91e | 316 | |
690602fc | 317 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 318 | ({ \ |
a126021d KM |
319 | struct rsnd_mod *mod; \ |
320 | int ret = 0, i; \ | |
321 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
322 | mod = (io)->mod[i]; \ | |
323 | if (!mod) \ | |
324 | continue; \ | |
2c0fac19 | 325 | ret = rsnd_mod_call(mod, io, fn, param); \ |
d870a91e KM |
326 | if (ret < 0) \ |
327 | break; \ | |
328 | } \ | |
329 | ret; \ | |
cdaa3cdf KM |
330 | }) |
331 | ||
a126021d | 332 | static int rsnd_dai_connect(struct rsnd_mod *mod, |
9bfed6cf | 333 | struct rsnd_dai_stream *io) |
cdaa3cdf | 334 | { |
48725e9c KM |
335 | struct rsnd_priv *priv; |
336 | struct device *dev; | |
84e95355 | 337 | |
6020779b | 338 | if (!mod) |
cdaa3cdf | 339 | return -EIO; |
cdaa3cdf | 340 | |
48725e9c KM |
341 | priv = rsnd_mod_to_priv(mod); |
342 | dev = rsnd_priv_to_dev(priv); | |
343 | ||
a126021d | 344 | io->mod[mod->type] = mod; |
cdaa3cdf | 345 | |
84e95355 KM |
346 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
347 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
348 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
349 | ||
cdaa3cdf KM |
350 | return 0; |
351 | } | |
352 | ||
d3a76823 KM |
353 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
354 | struct rsnd_dai_stream *io) | |
355 | { | |
d3a76823 KM |
356 | io->mod[mod->type] = NULL; |
357 | } | |
358 | ||
710d0889 | 359 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 360 | { |
ecba9e72 | 361 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
362 | return NULL; |
363 | ||
1536a968 KM |
364 | return priv->rdai + id; |
365 | } | |
366 | ||
eb2535f5 | 367 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
368 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
369 | { | |
eb2535f5 | 370 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 371 | |
710d0889 | 372 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
373 | } |
374 | ||
1536a968 KM |
375 | /* |
376 | * rsnd_soc_dai functions | |
377 | */ | |
378 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
379 | { | |
380 | struct snd_pcm_substream *substream = io->substream; | |
381 | struct snd_pcm_runtime *runtime = substream->runtime; | |
382 | int pos = io->byte_pos + additional; | |
383 | ||
384 | pos %= (runtime->periods * io->byte_per_period); | |
385 | ||
386 | return pos; | |
387 | } | |
388 | ||
75defee0 | 389 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
390 | { |
391 | io->byte_pos += byte; | |
392 | ||
393 | if (io->byte_pos >= io->next_period_byte) { | |
394 | struct snd_pcm_substream *substream = io->substream; | |
395 | struct snd_pcm_runtime *runtime = substream->runtime; | |
396 | ||
397 | io->period_pos++; | |
398 | io->next_period_byte += io->byte_per_period; | |
399 | ||
400 | if (io->period_pos >= runtime->periods) { | |
401 | io->byte_pos = 0; | |
402 | io->period_pos = 0; | |
403 | io->next_period_byte = io->byte_per_period; | |
404 | } | |
405 | ||
75defee0 | 406 | return true; |
1536a968 | 407 | } |
75defee0 KM |
408 | |
409 | return false; | |
410 | } | |
411 | ||
412 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
413 | { | |
414 | struct snd_pcm_substream *substream = io->substream; | |
415 | ||
416 | /* | |
417 | * this function should be called... | |
418 | * | |
419 | * - if rsnd_dai_pointer_update() returns true | |
420 | * - without spin lock | |
421 | */ | |
422 | ||
423 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
424 | } |
425 | ||
5626ad08 | 426 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
427 | struct snd_pcm_substream *substream) |
428 | { | |
429 | struct snd_pcm_runtime *runtime = substream->runtime; | |
430 | ||
1536a968 KM |
431 | io->substream = substream; |
432 | io->byte_pos = 0; | |
433 | io->period_pos = 0; | |
434 | io->byte_per_period = runtime->period_size * | |
435 | runtime->channels * | |
436 | samples_to_bytes(runtime, 1); | |
437 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 438 | } |
1536a968 | 439 | |
5626ad08 KM |
440 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
441 | { | |
442 | io->substream = NULL; | |
1536a968 KM |
443 | } |
444 | ||
445 | static | |
446 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
447 | { | |
448 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
449 | ||
450 | return rtd->cpu_dai; | |
451 | } | |
452 | ||
453 | static | |
454 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
455 | struct snd_pcm_substream *substream) | |
456 | { | |
457 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
458 | return &rdai->playback; | |
459 | else | |
460 | return &rdai->capture; | |
461 | } | |
462 | ||
463 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
464 | struct snd_soc_dai *dai) | |
465 | { | |
eb2535f5 | 466 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
467 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
468 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 469 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
470 | int ret; |
471 | unsigned long flags; | |
472 | ||
02299d98 | 473 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
474 | |
475 | switch (cmd) { | |
476 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 477 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
478 | |
479 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
480 | if (ret < 0) | |
481 | goto dai_trigger_end; | |
482 | ||
690602fc | 483 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
484 | if (ret < 0) |
485 | goto dai_trigger_end; | |
486 | ||
690602fc | 487 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
488 | if (ret < 0) |
489 | goto dai_trigger_end; | |
1536a968 KM |
490 | break; |
491 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 492 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf KM |
493 | if (ret < 0) |
494 | goto dai_trigger_end; | |
495 | ||
690602fc | 496 | ret = rsnd_dai_call(quit, io, priv); |
cdaa3cdf KM |
497 | if (ret < 0) |
498 | goto dai_trigger_end; | |
499 | ||
3337744a KM |
500 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
501 | if (ret < 0) | |
502 | goto dai_trigger_end; | |
5626ad08 KM |
503 | |
504 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
505 | break; |
506 | default: | |
507 | ret = -EINVAL; | |
508 | } | |
509 | ||
510 | dai_trigger_end: | |
02299d98 | 511 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
512 | |
513 | return ret; | |
514 | } | |
515 | ||
516 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
517 | { | |
518 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
519 | ||
520 | /* set master/slave audio interface */ | |
521 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
522 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 523 | rdai->clk_master = 0; |
1536a968 KM |
524 | break; |
525 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 526 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
527 | break; |
528 | default: | |
529 | return -EINVAL; | |
530 | } | |
531 | ||
1536a968 KM |
532 | /* set format */ |
533 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
534 | case SND_SOC_DAIFMT_I2S: | |
535 | rdai->sys_delay = 0; | |
536 | rdai->data_alignment = 0; | |
1a7889ca | 537 | rdai->frm_clk_inv = 0; |
1536a968 KM |
538 | break; |
539 | case SND_SOC_DAIFMT_LEFT_J: | |
540 | rdai->sys_delay = 1; | |
541 | rdai->data_alignment = 0; | |
1a7889ca | 542 | rdai->frm_clk_inv = 1; |
1536a968 KM |
543 | break; |
544 | case SND_SOC_DAIFMT_RIGHT_J: | |
545 | rdai->sys_delay = 1; | |
546 | rdai->data_alignment = 1; | |
1a7889ca KM |
547 | rdai->frm_clk_inv = 1; |
548 | break; | |
549 | } | |
550 | ||
551 | /* set clock inversion */ | |
552 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
553 | case SND_SOC_DAIFMT_NB_IF: | |
554 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
555 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
556 | break; | |
557 | case SND_SOC_DAIFMT_IB_NF: | |
558 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
559 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
560 | break; | |
561 | case SND_SOC_DAIFMT_IB_IF: | |
562 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
563 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
564 | break; | |
565 | case SND_SOC_DAIFMT_NB_NF: | |
566 | default: | |
1536a968 KM |
567 | break; |
568 | } | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
573 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
574 | .trigger = rsnd_soc_dai_trigger, | |
575 | .set_fmt = rsnd_soc_dai_set_fmt, | |
576 | }; | |
577 | ||
c8cf15f6 | 578 | #define rsnd_path_add(priv, io, type) \ |
739f9502 KM |
579 | ({ \ |
580 | struct rsnd_mod *mod; \ | |
581 | int ret = 0; \ | |
582 | int id = -1; \ | |
583 | \ | |
584 | if (rsnd_is_enable_path(io, type)) { \ | |
585 | id = rsnd_info_id(priv, io, type); \ | |
586 | if (id >= 0) { \ | |
587 | mod = rsnd_##type##_mod_get(priv, id); \ | |
588 | ret = rsnd_dai_connect(mod, io); \ | |
589 | } \ | |
590 | } \ | |
591 | ret; \ | |
592 | }) | |
593 | ||
c8cf15f6 | 594 | #define rsnd_path_remove(priv, io, type) \ |
d3a76823 KM |
595 | { \ |
596 | struct rsnd_mod *mod; \ | |
597 | int id = -1; \ | |
598 | \ | |
599 | if (rsnd_is_enable_path(io, type)) { \ | |
600 | id = rsnd_info_id(priv, io, type); \ | |
601 | if (id >= 0) { \ | |
602 | mod = rsnd_##type##_mod_get(priv, id); \ | |
603 | rsnd_dai_disconnect(mod, io); \ | |
604 | } \ | |
605 | } \ | |
606 | } | |
607 | ||
e2c08416 KM |
608 | void rsnd_path_parse(struct rsnd_priv *priv, |
609 | struct rsnd_dai_stream *io) | |
610 | { | |
e2c08416 | 611 | struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io); |
70fb1052 KM |
612 | struct rsnd_mod *mix = rsnd_io_to_mod_mix(io); |
613 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
614 | struct rsnd_mod *cmd; | |
615 | struct device *dev = rsnd_priv_to_dev(priv); | |
616 | u32 data; | |
e2c08416 KM |
617 | |
618 | /* Gen1 is not supported */ | |
619 | if (rsnd_is_gen1(priv)) | |
620 | return; | |
621 | ||
70fb1052 KM |
622 | if (!mix && !dvc) |
623 | return; | |
624 | ||
625 | if (mix) { | |
626 | struct rsnd_dai *rdai; | |
627 | int i; | |
628 | u32 path[] = { | |
629 | [0] = 0, | |
630 | [1] = 1 << 0, | |
631 | [2] = 0, | |
632 | [3] = 0, | |
633 | [4] = 0, | |
634 | [5] = 1 << 8 | |
635 | }; | |
636 | ||
637 | /* | |
638 | * it is assuming that integrater is well understanding about | |
639 | * data path. Here doesn't check impossible connection, | |
640 | * like src2 + src5 | |
641 | */ | |
642 | data = 0; | |
643 | for_each_rsnd_dai(rdai, priv, i) { | |
644 | io = &rdai->playback; | |
645 | if (mix == rsnd_io_to_mod_mix(io)) | |
646 | data |= path[rsnd_mod_id(src)]; | |
647 | ||
648 | io = &rdai->capture; | |
649 | if (mix == rsnd_io_to_mod_mix(io)) | |
650 | data |= path[rsnd_mod_id(src)]; | |
651 | } | |
652 | ||
653 | /* | |
654 | * We can't use ctu = rsnd_io_ctu() here. | |
655 | * Since, ID of dvc/mix are 0 or 1 (= same as CMD number) | |
656 | * but ctu IDs are 0 - 7 (= CTU00 - CTU13) | |
657 | */ | |
658 | cmd = mix; | |
659 | } else { | |
660 | u32 path[] = { | |
661 | [0] = 0x30000, | |
662 | [1] = 0x30001, | |
663 | [2] = 0x40000, | |
664 | [3] = 0x10000, | |
665 | [4] = 0x20000, | |
666 | [5] = 0x40100 | |
667 | }; | |
668 | ||
669 | data = path[rsnd_mod_id(src)]; | |
670 | ||
671 | cmd = dvc; | |
672 | } | |
673 | ||
674 | dev_dbg(dev, "ctu/mix path = 0x%08x", data); | |
675 | ||
676 | rsnd_mod_write(cmd, CMD_ROUTE_SLCT, data); | |
677 | ||
678 | rsnd_mod_write(cmd, CMD_CTRL, 0x10); | |
e2c08416 KM |
679 | } |
680 | ||
9bfed6cf KM |
681 | static int rsnd_path_init(struct rsnd_priv *priv, |
682 | struct rsnd_dai *rdai, | |
683 | struct rsnd_dai_stream *io) | |
684 | { | |
9bfed6cf | 685 | int ret; |
9bfed6cf KM |
686 | |
687 | /* | |
688 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
689 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
690 | * | |
691 | * Easy image is.. | |
692 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
693 | * | |
694 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
695 | * using fixed path. | |
9bfed6cf | 696 | */ |
9bfed6cf | 697 | |
78edead4 KM |
698 | /* SSI */ |
699 | ret = rsnd_path_add(priv, io, ssi); | |
739f9502 KM |
700 | if (ret < 0) |
701 | return ret; | |
9bfed6cf | 702 | |
78edead4 KM |
703 | /* SRC */ |
704 | ret = rsnd_path_add(priv, io, src); | |
739f9502 KM |
705 | if (ret < 0) |
706 | return ret; | |
9bfed6cf | 707 | |
9269e3c3 KM |
708 | /* CTU */ |
709 | ret = rsnd_path_add(priv, io, ctu); | |
710 | if (ret < 0) | |
711 | return ret; | |
712 | ||
70fb1052 KM |
713 | /* MIX */ |
714 | ret = rsnd_path_add(priv, io, mix); | |
715 | if (ret < 0) | |
716 | return ret; | |
717 | ||
bff58ea4 | 718 | /* DVC */ |
c8cf15f6 | 719 | ret = rsnd_path_add(priv, io, dvc); |
bff58ea4 KM |
720 | if (ret < 0) |
721 | return ret; | |
9bfed6cf KM |
722 | |
723 | return ret; | |
724 | } | |
725 | ||
90e8e50f KM |
726 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
727 | const struct rsnd_of_data *of_data, | |
728 | struct rsnd_priv *priv) | |
729 | { | |
730 | struct device_node *dai_node, *dai_np; | |
731 | struct device_node *ssi_node, *ssi_np; | |
732 | struct device_node *src_node, *src_np; | |
9269e3c3 | 733 | struct device_node *ctu_node, *ctu_np; |
70fb1052 | 734 | struct device_node *mix_node, *mix_np; |
34cb6123 | 735 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
736 | struct device_node *playback, *capture; |
737 | struct rsnd_dai_platform_info *dai_info; | |
738 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
739 | struct device *dev = &pdev->dev; | |
740 | int nr, i; | |
70fb1052 | 741 | int dai_i, ssi_i, src_i, ctu_i, mix_i, dvc_i; |
90e8e50f KM |
742 | |
743 | if (!of_data) | |
744 | return; | |
745 | ||
746 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
747 | if (!dai_node) | |
748 | return; | |
749 | ||
750 | nr = of_get_child_count(dai_node); | |
751 | if (!nr) | |
752 | return; | |
753 | ||
754 | dai_info = devm_kzalloc(dev, | |
755 | sizeof(struct rsnd_dai_platform_info) * nr, | |
756 | GFP_KERNEL); | |
757 | if (!dai_info) { | |
758 | dev_err(dev, "dai info allocation error\n"); | |
759 | return; | |
760 | } | |
761 | ||
762 | info->dai_info_nr = nr; | |
763 | info->dai_info = dai_info; | |
764 | ||
765 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
766 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
9269e3c3 | 767 | ctu_node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu"); |
70fb1052 | 768 | mix_node = of_get_child_by_name(dev->of_node, "rcar_sound,mix"); |
34cb6123 | 769 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
770 | |
771 | #define mod_parse(name) \ | |
772 | if (name##_node) { \ | |
773 | struct rsnd_##name##_platform_info *name##_info; \ | |
774 | \ | |
775 | name##_i = 0; \ | |
776 | for_each_child_of_node(name##_node, name##_np) { \ | |
777 | name##_info = info->name##_info + name##_i; \ | |
778 | \ | |
779 | if (name##_np == playback) \ | |
780 | dai_info->playback.name = name##_info; \ | |
781 | if (name##_np == capture) \ | |
782 | dai_info->capture.name = name##_info; \ | |
783 | \ | |
784 | name##_i++; \ | |
785 | } \ | |
786 | } | |
787 | ||
788 | /* | |
789 | * parse all dai | |
790 | */ | |
791 | dai_i = 0; | |
792 | for_each_child_of_node(dai_node, dai_np) { | |
793 | dai_info = info->dai_info + dai_i; | |
794 | ||
795 | for (i = 0;; i++) { | |
796 | ||
797 | playback = of_parse_phandle(dai_np, "playback", i); | |
798 | capture = of_parse_phandle(dai_np, "capture", i); | |
799 | ||
800 | if (!playback && !capture) | |
801 | break; | |
802 | ||
803 | mod_parse(ssi); | |
804 | mod_parse(src); | |
9269e3c3 | 805 | mod_parse(ctu); |
70fb1052 | 806 | mod_parse(mix); |
34cb6123 | 807 | mod_parse(dvc); |
90e8e50f | 808 | |
a493b6a6 JL |
809 | of_node_put(playback); |
810 | of_node_put(capture); | |
90e8e50f KM |
811 | } |
812 | ||
813 | dai_i++; | |
814 | } | |
815 | } | |
816 | ||
1536a968 | 817 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 818 | const struct rsnd_of_data *of_data, |
1536a968 KM |
819 | struct rsnd_priv *priv) |
820 | { | |
821 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 822 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 823 | struct rsnd_dai *rdai; |
29e69fd2 | 824 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 825 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 826 | int dai_nr; |
4b4dab82 KM |
827 | int i; |
828 | ||
90e8e50f KM |
829 | rsnd_of_parse_dai(pdev, of_data, priv); |
830 | ||
90e8e50f | 831 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
832 | if (!dai_nr) { |
833 | dev_err(dev, "no dai\n"); | |
834 | return -EIO; | |
835 | } | |
1536a968 KM |
836 | |
837 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
838 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
839 | if (!drv || !rdai) { | |
840 | dev_err(dev, "dai allocate failed\n"); | |
841 | return -ENOMEM; | |
842 | } | |
843 | ||
ecba9e72 | 844 | priv->rdai_nr = dai_nr; |
49848073 KM |
845 | priv->daidrv = drv; |
846 | priv->rdai = rdai; | |
847 | ||
1536a968 | 848 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 849 | |
7c57d76f KM |
850 | pmod = info->dai_info[i].playback.ssi; |
851 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
852 | |
853 | /* | |
854 | * init rsnd_dai | |
855 | */ | |
1536a968 | 856 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 857 | rdai[i].priv = priv; |
1536a968 KM |
858 | |
859 | /* | |
860 | * init snd_soc_dai_driver | |
861 | */ | |
862 | drv[i].name = rdai[i].name; | |
863 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 864 | if (pmod) { |
f8c3c309 KM |
865 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
866 | "DAI%d Playback", i); | |
867 | ||
1536a968 KM |
868 | drv[i].playback.rates = RSND_RATES; |
869 | drv[i].playback.formats = RSND_FMTS; | |
870 | drv[i].playback.channels_min = 2; | |
871 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 872 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 873 | |
29e69fd2 | 874 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 875 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 876 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 877 | } |
4b4dab82 | 878 | if (cmod) { |
f8c3c309 KM |
879 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
880 | "DAI%d Capture", i); | |
881 | ||
1536a968 KM |
882 | drv[i].capture.rates = RSND_RATES; |
883 | drv[i].capture.formats = RSND_FMTS; | |
884 | drv[i].capture.channels_min = 2; | |
885 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 886 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 887 | |
29e69fd2 | 888 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 889 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 890 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
891 | } |
892 | ||
4b4dab82 KM |
893 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
894 | pmod ? "play" : " -- ", | |
895 | cmod ? "capture" : " -- "); | |
1536a968 KM |
896 | } |
897 | ||
1536a968 KM |
898 | return 0; |
899 | } | |
900 | ||
1536a968 KM |
901 | /* |
902 | * pcm ops | |
903 | */ | |
904 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
905 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
906 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 907 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
908 | .buffer_bytes_max = 64 * 1024, |
909 | .period_bytes_min = 32, | |
910 | .period_bytes_max = 8192, | |
911 | .periods_min = 1, | |
912 | .periods_max = 32, | |
913 | .fifo_size = 256, | |
914 | }; | |
915 | ||
916 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
917 | { | |
918 | struct snd_pcm_runtime *runtime = substream->runtime; | |
919 | int ret = 0; | |
920 | ||
921 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
922 | ||
923 | ret = snd_pcm_hw_constraint_integer(runtime, | |
924 | SNDRV_PCM_HW_PARAM_PERIODS); | |
925 | ||
926 | return ret; | |
927 | } | |
928 | ||
929 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
930 | struct snd_pcm_hw_params *hw_params) | |
931 | { | |
3b7843ff KM |
932 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
933 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
934 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
935 | int ret; | |
936 | ||
937 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
938 | if (ret) | |
939 | return ret; | |
940 | ||
1536a968 KM |
941 | return snd_pcm_lib_malloc_pages(substream, |
942 | params_buffer_bytes(hw_params)); | |
943 | } | |
944 | ||
945 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
946 | { | |
947 | struct snd_pcm_runtime *runtime = substream->runtime; | |
948 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
949 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
950 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
951 | ||
952 | return bytes_to_frames(runtime, io->byte_pos); | |
953 | } | |
954 | ||
955 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
956 | .open = rsnd_pcm_open, | |
957 | .ioctl = snd_pcm_lib_ioctl, | |
958 | .hw_params = rsnd_hw_params, | |
959 | .hw_free = snd_pcm_lib_free_pages, | |
960 | .pointer = rsnd_pointer, | |
961 | }; | |
962 | ||
170a2497 KM |
963 | /* |
964 | * snd_kcontrol | |
965 | */ | |
966 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
967 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
968 | struct snd_ctl_elem_info *uinfo) | |
969 | { | |
970 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
971 | ||
972 | if (cfg->texts) { | |
973 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
974 | uinfo->count = cfg->size; | |
975 | uinfo->value.enumerated.items = cfg->max; | |
976 | if (uinfo->value.enumerated.item >= cfg->max) | |
977 | uinfo->value.enumerated.item = cfg->max - 1; | |
978 | strlcpy(uinfo->value.enumerated.name, | |
979 | cfg->texts[uinfo->value.enumerated.item], | |
980 | sizeof(uinfo->value.enumerated.name)); | |
981 | } else { | |
982 | uinfo->count = cfg->size; | |
983 | uinfo->value.integer.min = 0; | |
984 | uinfo->value.integer.max = cfg->max; | |
985 | uinfo->type = (cfg->max == 1) ? | |
986 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
987 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
988 | } | |
989 | ||
990 | return 0; | |
991 | } | |
992 | ||
993 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
994 | struct snd_ctl_elem_value *uc) | |
995 | { | |
996 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
997 | int i; | |
998 | ||
999 | for (i = 0; i < cfg->size; i++) | |
1000 | if (cfg->texts) | |
1001 | uc->value.enumerated.item[i] = cfg->val[i]; | |
1002 | else | |
1003 | uc->value.integer.value[i] = cfg->val[i]; | |
1004 | ||
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
1009 | struct snd_ctl_elem_value *uc) | |
1010 | { | |
1011 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
1012 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
1013 | int i, change = 0; | |
1014 | ||
1015 | for (i = 0; i < cfg->size; i++) { | |
1016 | if (cfg->texts) { | |
1017 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
1018 | cfg->val[i] = uc->value.enumerated.item[i]; | |
1019 | } else { | |
1020 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
1021 | cfg->val[i] = uc->value.integer.value[i]; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | if (change) | |
b65a7ccc | 1026 | cfg->update(cfg->io, mod); |
170a2497 KM |
1027 | |
1028 | return change; | |
1029 | } | |
1030 | ||
1031 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 1032 | struct rsnd_dai_stream *io, |
170a2497 KM |
1033 | struct snd_soc_pcm_runtime *rtd, |
1034 | const unsigned char *name, | |
1035 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
1036 | void (*update)(struct rsnd_dai_stream *io, |
1037 | struct rsnd_mod *mod)) | |
170a2497 | 1038 | { |
da620d72 | 1039 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
1040 | struct snd_card *card = rtd->card->snd_card; |
1041 | struct snd_kcontrol *kctrl; | |
1042 | struct snd_kcontrol_new knew = { | |
1043 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1044 | .name = name, | |
1045 | .info = rsnd_kctrl_info, | |
da620d72 | 1046 | .index = rtd - soc_card->rtd, |
170a2497 KM |
1047 | .get = rsnd_kctrl_get, |
1048 | .put = rsnd_kctrl_put, | |
1049 | .private_value = (unsigned long)cfg, | |
1050 | }; | |
1051 | int ret; | |
1052 | ||
1053 | kctrl = snd_ctl_new1(&knew, mod); | |
1054 | if (!kctrl) | |
1055 | return -ENOMEM; | |
1056 | ||
1057 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
1058 | if (ret < 0) { |
1059 | snd_ctl_free_one(kctrl); | |
170a2497 | 1060 | return ret; |
d1f83d6e | 1061 | } |
170a2497 KM |
1062 | |
1063 | cfg->update = update; | |
d1f83d6e KM |
1064 | cfg->card = card; |
1065 | cfg->kctrl = kctrl; | |
b65a7ccc | 1066 | cfg->io = io; |
170a2497 KM |
1067 | |
1068 | return 0; | |
1069 | } | |
1070 | ||
d1f83d6e KM |
1071 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
1072 | { | |
1073 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
1074 | } | |
1075 | ||
170a2497 | 1076 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 1077 | struct rsnd_dai_stream *io, |
170a2497 KM |
1078 | struct snd_soc_pcm_runtime *rtd, |
1079 | const unsigned char *name, | |
b65a7ccc KM |
1080 | void (*update)(struct rsnd_dai_stream *io, |
1081 | struct rsnd_mod *mod), | |
170a2497 KM |
1082 | struct rsnd_kctrl_cfg_m *_cfg, |
1083 | u32 max) | |
1084 | { | |
1085 | _cfg->cfg.max = max; | |
1086 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
1087 | _cfg->cfg.val = _cfg->val; | |
b65a7ccc | 1088 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1089 | } |
1090 | ||
1091 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 1092 | struct rsnd_dai_stream *io, |
170a2497 KM |
1093 | struct snd_soc_pcm_runtime *rtd, |
1094 | const unsigned char *name, | |
b65a7ccc KM |
1095 | void (*update)(struct rsnd_dai_stream *io, |
1096 | struct rsnd_mod *mod), | |
170a2497 KM |
1097 | struct rsnd_kctrl_cfg_s *_cfg, |
1098 | u32 max) | |
1099 | { | |
1100 | _cfg->cfg.max = max; | |
1101 | _cfg->cfg.size = 1; | |
1102 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 1103 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1104 | } |
1105 | ||
1106 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 1107 | struct rsnd_dai_stream *io, |
170a2497 KM |
1108 | struct snd_soc_pcm_runtime *rtd, |
1109 | const unsigned char *name, | |
1110 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
1111 | void (*update)(struct rsnd_dai_stream *io, |
1112 | struct rsnd_mod *mod), | |
170a2497 KM |
1113 | const char * const *texts, |
1114 | u32 max) | |
1115 | { | |
1116 | _cfg->cfg.max = max; | |
1117 | _cfg->cfg.size = 1; | |
1118 | _cfg->cfg.val = &_cfg->val; | |
1119 | _cfg->cfg.texts = texts; | |
b65a7ccc | 1120 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1121 | } |
1122 | ||
1536a968 KM |
1123 | /* |
1124 | * snd_soc_platform | |
1125 | */ | |
1126 | ||
1127 | #define PREALLOC_BUFFER (32 * 1024) | |
1128 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1129 | ||
1130 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
1131 | { | |
7c63f3c0 KM |
1132 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1133 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1134 | int ret; |
bff58ea4 | 1135 | |
ae11a9be KM |
1136 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1137 | if (ret) | |
1138 | return ret; | |
bff58ea4 | 1139 | |
ae11a9be | 1140 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1141 | if (ret) |
1142 | return ret; | |
bff58ea4 | 1143 | |
1536a968 KM |
1144 | return snd_pcm_lib_preallocate_pages_for_all( |
1145 | rtd->pcm, | |
1146 | SNDRV_DMA_TYPE_DEV, | |
1147 | rtd->card->snd_card->dev, | |
1148 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
1149 | } | |
1150 | ||
1536a968 KM |
1151 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1152 | .ops = &rsnd_pcm_ops, | |
1153 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1154 | }; |
1155 | ||
1156 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1157 | .name = "rsnd", | |
1158 | }; | |
1159 | ||
d3a76823 | 1160 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1161 | struct rsnd_dai_stream *io) |
d3a76823 | 1162 | { |
d3a76823 KM |
1163 | int ret; |
1164 | ||
690602fc | 1165 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1166 | if (ret == -EAGAIN) { |
1167 | /* | |
1168 | * Fallback to PIO mode | |
1169 | */ | |
1170 | ||
1171 | /* | |
1172 | * call "remove" for SSI/SRC/DVC | |
1173 | * SSI will be switch to PIO mode if it was DMA mode | |
1174 | * see | |
1175 | * rsnd_dma_init() | |
97463e19 | 1176 | * rsnd_ssi_fallback() |
d3a76823 | 1177 | */ |
690602fc | 1178 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1179 | |
1180 | /* | |
1181 | * remove SRC/DVC from DAI, | |
1182 | */ | |
c8cf15f6 KM |
1183 | rsnd_path_remove(priv, io, src); |
1184 | rsnd_path_remove(priv, io, dvc); | |
d3a76823 | 1185 | |
97463e19 KM |
1186 | /* |
1187 | * fallback | |
1188 | */ | |
690602fc | 1189 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1190 | |
d3a76823 KM |
1191 | /* |
1192 | * retry to "probe". | |
1193 | * DAI has SSI which is PIO mode only now. | |
1194 | */ | |
690602fc | 1195 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1196 | } |
1197 | ||
1198 | return ret; | |
1199 | } | |
1200 | ||
1536a968 KM |
1201 | /* |
1202 | * rsnd probe | |
1203 | */ | |
1204 | static int rsnd_probe(struct platform_device *pdev) | |
1205 | { | |
1206 | struct rcar_snd_info *info; | |
1207 | struct rsnd_priv *priv; | |
1208 | struct device *dev = &pdev->dev; | |
7681f6ac | 1209 | struct rsnd_dai *rdai; |
90e8e50f KM |
1210 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1211 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1212 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1213 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1214 | struct rsnd_priv *priv) = { |
1215 | rsnd_gen_probe, | |
288f392e | 1216 | rsnd_dma_probe, |
d1ac970f | 1217 | rsnd_ssi_probe, |
ba9c949f | 1218 | rsnd_src_probe, |
9269e3c3 | 1219 | rsnd_ctu_probe, |
70fb1052 | 1220 | rsnd_mix_probe, |
bff58ea4 | 1221 | rsnd_dvc_probe, |
d1ac970f KM |
1222 | rsnd_adg_probe, |
1223 | rsnd_dai_probe, | |
1224 | }; | |
1225 | int ret, i; | |
1536a968 | 1226 | |
90e8e50f KM |
1227 | info = NULL; |
1228 | of_data = NULL; | |
1229 | if (of_id) { | |
1230 | info = devm_kzalloc(&pdev->dev, | |
1231 | sizeof(struct rcar_snd_info), GFP_KERNEL); | |
1232 | of_data = of_id->data; | |
1233 | } else { | |
1234 | info = pdev->dev.platform_data; | |
1235 | } | |
1236 | ||
1536a968 KM |
1237 | if (!info) { |
1238 | dev_err(dev, "driver needs R-Car sound information\n"); | |
1239 | return -ENODEV; | |
1240 | } | |
1241 | ||
1242 | /* | |
1243 | * init priv data | |
1244 | */ | |
1245 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1246 | if (!priv) { | |
1247 | dev_err(dev, "priv allocate failed\n"); | |
1248 | return -ENODEV; | |
1249 | } | |
1250 | ||
9f464f8e | 1251 | priv->pdev = pdev; |
1536a968 KM |
1252 | priv->info = info; |
1253 | spin_lock_init(&priv->lock); | |
1254 | ||
1255 | /* | |
1256 | * init each module | |
1257 | */ | |
d1ac970f | 1258 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1259 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1260 | if (ret) |
1261 | return ret; | |
1262 | } | |
07539c1d | 1263 | |
7681f6ac | 1264 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1265 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1266 | if (ret) |
d62a3dcd | 1267 | goto exit_snd_probe; |
dfc9403b | 1268 | |
f708d944 | 1269 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1270 | if (ret) |
d62a3dcd | 1271 | goto exit_snd_probe; |
7681f6ac | 1272 | } |
4b4dab82 | 1273 | |
0b1f6ec7 KM |
1274 | dev_set_drvdata(dev, priv); |
1275 | ||
1536a968 KM |
1276 | /* |
1277 | * asoc register | |
1278 | */ | |
1279 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1280 | if (ret < 0) { | |
1281 | dev_err(dev, "cannot snd soc register\n"); | |
1282 | return ret; | |
1283 | } | |
1284 | ||
1285 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1286 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1287 | if (ret < 0) { |
1288 | dev_err(dev, "cannot snd dai register\n"); | |
1289 | goto exit_snd_soc; | |
1290 | } | |
1291 | ||
1536a968 KM |
1292 | pm_runtime_enable(dev); |
1293 | ||
1294 | dev_info(dev, "probed\n"); | |
1295 | return ret; | |
1296 | ||
1297 | exit_snd_soc: | |
1298 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1299 | exit_snd_probe: |
1300 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1301 | rsnd_dai_call(remove, &rdai->playback, priv); |
1302 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1303 | } |
1536a968 KM |
1304 | |
1305 | return ret; | |
1306 | } | |
1307 | ||
1308 | static int rsnd_remove(struct platform_device *pdev) | |
1309 | { | |
1310 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1311 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1312 | void (*remove_func[])(struct platform_device *pdev, |
1313 | struct rsnd_priv *priv) = { | |
1314 | rsnd_ssi_remove, | |
1315 | rsnd_src_remove, | |
9269e3c3 | 1316 | rsnd_ctu_remove, |
70fb1052 | 1317 | rsnd_mix_remove, |
2f78dd7f KM |
1318 | rsnd_dvc_remove, |
1319 | }; | |
d62a3dcd | 1320 | int ret = 0, i; |
1536a968 KM |
1321 | |
1322 | pm_runtime_disable(&pdev->dev); | |
1323 | ||
7681f6ac | 1324 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1325 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1326 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1327 | } |
1536a968 | 1328 | |
2f78dd7f KM |
1329 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1330 | remove_func[i](pdev, priv); | |
1331 | ||
d7c42ff8 KM |
1332 | snd_soc_unregister_component(&pdev->dev); |
1333 | snd_soc_unregister_platform(&pdev->dev); | |
1334 | ||
d62a3dcd | 1335 | return ret; |
1536a968 KM |
1336 | } |
1337 | ||
1338 | static struct platform_driver rsnd_driver = { | |
1339 | .driver = { | |
1340 | .name = "rcar_sound", | |
90e8e50f | 1341 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1342 | }, |
1343 | .probe = rsnd_probe, | |
1344 | .remove = rsnd_remove, | |
1345 | }; | |
1346 | module_platform_driver(rsnd_driver); | |
1347 | ||
1348 | MODULE_LICENSE("GPL"); | |
1349 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1350 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1351 | MODULE_ALIAS("platform:rcar-pcm-audio"); |