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 | ||
81ad174d KM |
130 | /* |
131 | * rsnd_mod functions | |
132 | */ | |
f1df1229 KM |
133 | void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) |
134 | { | |
135 | if (mod->type != type) { | |
136 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
137 | struct device *dev = rsnd_priv_to_dev(priv); | |
138 | ||
139 | dev_warn(dev, "%s[%d] is not your expected module\n", | |
140 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
141 | } | |
142 | } | |
143 | ||
cdaa3cdf KM |
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; | |
2daf71ad | 195 | int i; |
f501b7a4 | 196 | |
2daf71ad KM |
197 | for_each_rsnd_dai(rdai, priv, i) { |
198 | io = &rdai->playback; | |
199 | if (mod == io->mod[mod->type]) | |
200 | callback(mod, io); | |
f501b7a4 | 201 | |
2daf71ad KM |
202 | io = &rdai->capture; |
203 | if (mod == io->mod[mod->type]) | |
204 | callback(mod, io); | |
f501b7a4 KM |
205 | } |
206 | } | |
207 | ||
d5bbe7de | 208 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 209 | { |
02299d98 KM |
210 | /* see rsnd_dai_stream_init/quit() */ |
211 | return !!io->substream; | |
212 | } | |
213 | ||
d7bdbc5d | 214 | /* |
3023b384 | 215 | * ADINR function |
d7bdbc5d | 216 | */ |
3023b384 | 217 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
218 | { |
219 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
220 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
221 | struct device *dev = rsnd_priv_to_dev(priv); | |
222 | u32 adinr = runtime->channels; | |
223 | ||
224 | switch (runtime->sample_bits) { | |
225 | case 16: | |
226 | adinr |= (8 << 16); | |
227 | break; | |
228 | case 32: | |
229 | adinr |= (0 << 16); | |
230 | break; | |
231 | default: | |
232 | dev_warn(dev, "not supported sample bits\n"); | |
233 | return 0; | |
234 | } | |
235 | ||
236 | return adinr; | |
237 | } | |
238 | ||
bfe1360d KM |
239 | u32 rsnd_get_adinr_chan(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
240 | { | |
241 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
242 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
243 | struct device *dev = rsnd_priv_to_dev(priv); | |
244 | u32 chan = runtime->channels; | |
245 | ||
246 | switch (chan) { | |
247 | case 1: | |
248 | case 2: | |
249 | case 4: | |
250 | case 6: | |
251 | case 8: | |
252 | break; | |
253 | default: | |
254 | dev_warn(dev, "not supported channel\n"); | |
255 | chan = 0; | |
256 | break; | |
257 | } | |
258 | ||
259 | return chan; | |
260 | } | |
4689032b KM |
261 | |
262 | /* | |
263 | * DALIGN function | |
264 | */ | |
265 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
266 | { | |
267 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
268 | struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io); | |
269 | struct rsnd_mod *target = src ? src : ssi; | |
270 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
271 | u32 val = 0x76543210; | |
272 | u32 mask = ~0; | |
273 | ||
274 | mask <<= runtime->channels * 4; | |
275 | val = val & mask; | |
276 | ||
277 | switch (runtime->sample_bits) { | |
278 | case 16: | |
279 | val |= 0x67452301 & ~mask; | |
280 | break; | |
281 | case 32: | |
282 | val |= 0x76543210 & ~mask; | |
283 | break; | |
284 | } | |
285 | ||
286 | /* | |
287 | * exchange channeles on SRC if possible, | |
288 | * otherwise, R/L volume settings on DVC | |
289 | * changes inverted channels | |
290 | */ | |
291 | if (mod == target) | |
292 | return val; | |
293 | else | |
294 | return 0x76543210; | |
295 | } | |
296 | ||
1536a968 KM |
297 | /* |
298 | * rsnd_dai functions | |
299 | */ | |
c2dc47d5 | 300 | #define rsnd_mod_call(idx, io, func, param...) \ |
d870a91e KM |
301 | ({ \ |
302 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
c2dc47d5 | 303 | struct rsnd_mod *mod = (io)->mod[idx]; \ |
d870a91e | 304 | struct device *dev = rsnd_priv_to_dev(priv); \ |
c2dc47d5 | 305 | u32 *status = (io)->mod_status + idx; \ |
5451ea44 | 306 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
c2dc47d5 | 307 | u8 val = (*status >> __rsnd_mod_shift_##func) & 0xF; \ |
5451ea44 | 308 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ |
417f9642 | 309 | int ret = 0; \ |
32a96d55 | 310 | int call = (val == __rsnd_mod_call_##func) && (mod)->ops->func; \ |
c2dc47d5 | 311 | *status = (*status & ~mask) + \ |
a48e3f97 | 312 | (add << __rsnd_mod_shift_##func); \ |
1355720a KM |
313 | dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ |
314 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
c2dc47d5 | 315 | *status, call ? #func : ""); \ |
1355720a KM |
316 | if (call) \ |
317 | ret = (mod)->ops->func(mod, io, param); \ | |
417f9642 | 318 | ret; \ |
d870a91e KM |
319 | }) |
320 | ||
690602fc | 321 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 322 | ({ \ |
a126021d KM |
323 | struct rsnd_mod *mod; \ |
324 | int ret = 0, i; \ | |
325 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
326 | mod = (io)->mod[i]; \ | |
327 | if (!mod) \ | |
328 | continue; \ | |
c2dc47d5 | 329 | ret |= rsnd_mod_call(i, io, fn, param); \ |
d870a91e KM |
330 | } \ |
331 | ret; \ | |
cdaa3cdf KM |
332 | }) |
333 | ||
27924f32 KM |
334 | int rsnd_dai_connect(struct rsnd_mod *mod, |
335 | struct rsnd_dai_stream *io, | |
336 | enum rsnd_mod_type type) | |
cdaa3cdf | 337 | { |
48725e9c KM |
338 | struct rsnd_priv *priv; |
339 | struct device *dev; | |
84e95355 | 340 | |
6020779b | 341 | if (!mod) |
cdaa3cdf | 342 | return -EIO; |
cdaa3cdf | 343 | |
48725e9c KM |
344 | priv = rsnd_mod_to_priv(mod); |
345 | dev = rsnd_priv_to_dev(priv); | |
346 | ||
27924f32 | 347 | io->mod[type] = mod; |
cdaa3cdf | 348 | |
84e95355 KM |
349 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
350 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
351 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
352 | ||
cdaa3cdf KM |
353 | return 0; |
354 | } | |
355 | ||
d3a76823 | 356 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
357 | struct rsnd_dai_stream *io, |
358 | enum rsnd_mod_type type) | |
d3a76823 | 359 | { |
27924f32 | 360 | io->mod[type] = NULL; |
d3a76823 KM |
361 | } |
362 | ||
710d0889 | 363 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 364 | { |
ecba9e72 | 365 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
366 | return NULL; |
367 | ||
1536a968 KM |
368 | return priv->rdai + id; |
369 | } | |
370 | ||
eb2535f5 | 371 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
372 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
373 | { | |
eb2535f5 | 374 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 375 | |
710d0889 | 376 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
377 | } |
378 | ||
1536a968 KM |
379 | /* |
380 | * rsnd_soc_dai functions | |
381 | */ | |
382 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
383 | { | |
384 | struct snd_pcm_substream *substream = io->substream; | |
385 | struct snd_pcm_runtime *runtime = substream->runtime; | |
386 | int pos = io->byte_pos + additional; | |
387 | ||
388 | pos %= (runtime->periods * io->byte_per_period); | |
389 | ||
390 | return pos; | |
391 | } | |
392 | ||
75defee0 | 393 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
394 | { |
395 | io->byte_pos += byte; | |
396 | ||
397 | if (io->byte_pos >= io->next_period_byte) { | |
398 | struct snd_pcm_substream *substream = io->substream; | |
399 | struct snd_pcm_runtime *runtime = substream->runtime; | |
400 | ||
401 | io->period_pos++; | |
402 | io->next_period_byte += io->byte_per_period; | |
403 | ||
404 | if (io->period_pos >= runtime->periods) { | |
405 | io->byte_pos = 0; | |
406 | io->period_pos = 0; | |
407 | io->next_period_byte = io->byte_per_period; | |
408 | } | |
409 | ||
75defee0 | 410 | return true; |
1536a968 | 411 | } |
75defee0 KM |
412 | |
413 | return false; | |
414 | } | |
415 | ||
416 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
417 | { | |
418 | struct snd_pcm_substream *substream = io->substream; | |
419 | ||
420 | /* | |
421 | * this function should be called... | |
422 | * | |
423 | * - if rsnd_dai_pointer_update() returns true | |
424 | * - without spin lock | |
425 | */ | |
426 | ||
427 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
428 | } |
429 | ||
5626ad08 | 430 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
431 | struct snd_pcm_substream *substream) |
432 | { | |
433 | struct snd_pcm_runtime *runtime = substream->runtime; | |
434 | ||
1536a968 KM |
435 | io->substream = substream; |
436 | io->byte_pos = 0; | |
437 | io->period_pos = 0; | |
438 | io->byte_per_period = runtime->period_size * | |
439 | runtime->channels * | |
440 | samples_to_bytes(runtime, 1); | |
441 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 442 | } |
1536a968 | 443 | |
5626ad08 KM |
444 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
445 | { | |
446 | io->substream = NULL; | |
1536a968 KM |
447 | } |
448 | ||
449 | static | |
450 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
451 | { | |
452 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
453 | ||
454 | return rtd->cpu_dai; | |
455 | } | |
456 | ||
457 | static | |
458 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
459 | struct snd_pcm_substream *substream) | |
460 | { | |
461 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
462 | return &rdai->playback; | |
463 | else | |
464 | return &rdai->capture; | |
465 | } | |
466 | ||
467 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
468 | struct snd_soc_dai *dai) | |
469 | { | |
eb2535f5 | 470 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
471 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
472 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 473 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
474 | int ret; |
475 | unsigned long flags; | |
476 | ||
02299d98 | 477 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
478 | |
479 | switch (cmd) { | |
480 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 481 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
482 | |
483 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
484 | if (ret < 0) | |
485 | goto dai_trigger_end; | |
486 | ||
690602fc | 487 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
488 | if (ret < 0) |
489 | goto dai_trigger_end; | |
490 | ||
690602fc | 491 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
492 | if (ret < 0) |
493 | goto dai_trigger_end; | |
1536a968 KM |
494 | break; |
495 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 496 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf | 497 | |
89e3e2c3 | 498 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 499 | |
89e3e2c3 | 500 | ret |= rsnd_platform_call(priv, dai, stop, ssi_id); |
5626ad08 KM |
501 | |
502 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
503 | break; |
504 | default: | |
505 | ret = -EINVAL; | |
506 | } | |
507 | ||
508 | dai_trigger_end: | |
02299d98 | 509 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
510 | |
511 | return ret; | |
512 | } | |
513 | ||
514 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
515 | { | |
516 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
517 | ||
518 | /* set master/slave audio interface */ | |
519 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
520 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 521 | rdai->clk_master = 0; |
1536a968 KM |
522 | break; |
523 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 524 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
525 | break; |
526 | default: | |
527 | return -EINVAL; | |
528 | } | |
529 | ||
1536a968 KM |
530 | /* set format */ |
531 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
532 | case SND_SOC_DAIFMT_I2S: | |
533 | rdai->sys_delay = 0; | |
534 | rdai->data_alignment = 0; | |
1a7889ca | 535 | rdai->frm_clk_inv = 0; |
1536a968 KM |
536 | break; |
537 | case SND_SOC_DAIFMT_LEFT_J: | |
538 | rdai->sys_delay = 1; | |
539 | rdai->data_alignment = 0; | |
1a7889ca | 540 | rdai->frm_clk_inv = 1; |
1536a968 KM |
541 | break; |
542 | case SND_SOC_DAIFMT_RIGHT_J: | |
543 | rdai->sys_delay = 1; | |
544 | rdai->data_alignment = 1; | |
1a7889ca KM |
545 | rdai->frm_clk_inv = 1; |
546 | break; | |
547 | } | |
548 | ||
549 | /* set clock inversion */ | |
550 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
551 | case SND_SOC_DAIFMT_NB_IF: | |
552 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
553 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
554 | break; | |
555 | case SND_SOC_DAIFMT_IB_NF: | |
556 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
557 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
558 | break; | |
559 | case SND_SOC_DAIFMT_IB_IF: | |
560 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
561 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
562 | break; | |
563 | case SND_SOC_DAIFMT_NB_NF: | |
564 | default: | |
1536a968 KM |
565 | break; |
566 | } | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
571 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
572 | .trigger = rsnd_soc_dai_trigger, | |
573 | .set_fmt = rsnd_soc_dai_set_fmt, | |
574 | }; | |
575 | ||
27924f32 | 576 | #define rsnd_path_add(priv, io, _type) \ |
739f9502 KM |
577 | ({ \ |
578 | struct rsnd_mod *mod; \ | |
579 | int ret = 0; \ | |
580 | int id = -1; \ | |
581 | \ | |
27924f32 KM |
582 | if (rsnd_is_enable_path(io, _type)) { \ |
583 | id = rsnd_info_id(priv, io, _type); \ | |
739f9502 | 584 | if (id >= 0) { \ |
27924f32 KM |
585 | mod = rsnd_##_type##_mod_get(priv, id); \ |
586 | ret = rsnd_dai_connect(mod, io, mod->type);\ | |
739f9502 KM |
587 | } \ |
588 | } \ | |
589 | ret; \ | |
590 | }) | |
591 | ||
9bfed6cf KM |
592 | static int rsnd_path_init(struct rsnd_priv *priv, |
593 | struct rsnd_dai *rdai, | |
594 | struct rsnd_dai_stream *io) | |
595 | { | |
9bfed6cf | 596 | int ret; |
9bfed6cf KM |
597 | |
598 | /* | |
599 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
600 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
601 | * | |
602 | * Easy image is.. | |
603 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
604 | * | |
605 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
606 | * using fixed path. | |
9bfed6cf | 607 | */ |
9bfed6cf | 608 | |
78edead4 KM |
609 | /* SSI */ |
610 | ret = rsnd_path_add(priv, io, ssi); | |
739f9502 KM |
611 | if (ret < 0) |
612 | return ret; | |
9bfed6cf | 613 | |
78edead4 KM |
614 | /* SRC */ |
615 | ret = rsnd_path_add(priv, io, src); | |
739f9502 KM |
616 | if (ret < 0) |
617 | return ret; | |
9bfed6cf | 618 | |
9269e3c3 KM |
619 | /* CTU */ |
620 | ret = rsnd_path_add(priv, io, ctu); | |
621 | if (ret < 0) | |
622 | return ret; | |
623 | ||
70fb1052 KM |
624 | /* MIX */ |
625 | ret = rsnd_path_add(priv, io, mix); | |
626 | if (ret < 0) | |
627 | return ret; | |
628 | ||
bff58ea4 | 629 | /* DVC */ |
c8cf15f6 | 630 | ret = rsnd_path_add(priv, io, dvc); |
bff58ea4 KM |
631 | if (ret < 0) |
632 | return ret; | |
9bfed6cf KM |
633 | |
634 | return ret; | |
635 | } | |
636 | ||
90e8e50f KM |
637 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
638 | const struct rsnd_of_data *of_data, | |
639 | struct rsnd_priv *priv) | |
640 | { | |
641 | struct device_node *dai_node, *dai_np; | |
642 | struct device_node *ssi_node, *ssi_np; | |
643 | struct device_node *src_node, *src_np; | |
9269e3c3 | 644 | struct device_node *ctu_node, *ctu_np; |
70fb1052 | 645 | struct device_node *mix_node, *mix_np; |
34cb6123 | 646 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
647 | struct device_node *playback, *capture; |
648 | struct rsnd_dai_platform_info *dai_info; | |
649 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
650 | struct device *dev = &pdev->dev; | |
651 | int nr, i; | |
70fb1052 | 652 | int dai_i, ssi_i, src_i, ctu_i, mix_i, dvc_i; |
90e8e50f KM |
653 | |
654 | if (!of_data) | |
655 | return; | |
656 | ||
657 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
658 | if (!dai_node) | |
659 | return; | |
660 | ||
661 | nr = of_get_child_count(dai_node); | |
662 | if (!nr) | |
663 | return; | |
664 | ||
665 | dai_info = devm_kzalloc(dev, | |
666 | sizeof(struct rsnd_dai_platform_info) * nr, | |
667 | GFP_KERNEL); | |
668 | if (!dai_info) { | |
669 | dev_err(dev, "dai info allocation error\n"); | |
670 | return; | |
671 | } | |
672 | ||
673 | info->dai_info_nr = nr; | |
674 | info->dai_info = dai_info; | |
675 | ||
676 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
677 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
9269e3c3 | 678 | ctu_node = of_get_child_by_name(dev->of_node, "rcar_sound,ctu"); |
70fb1052 | 679 | mix_node = of_get_child_by_name(dev->of_node, "rcar_sound,mix"); |
34cb6123 | 680 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
681 | |
682 | #define mod_parse(name) \ | |
683 | if (name##_node) { \ | |
684 | struct rsnd_##name##_platform_info *name##_info; \ | |
685 | \ | |
686 | name##_i = 0; \ | |
687 | for_each_child_of_node(name##_node, name##_np) { \ | |
688 | name##_info = info->name##_info + name##_i; \ | |
689 | \ | |
690 | if (name##_np == playback) \ | |
691 | dai_info->playback.name = name##_info; \ | |
692 | if (name##_np == capture) \ | |
693 | dai_info->capture.name = name##_info; \ | |
694 | \ | |
695 | name##_i++; \ | |
696 | } \ | |
697 | } | |
698 | ||
699 | /* | |
700 | * parse all dai | |
701 | */ | |
702 | dai_i = 0; | |
703 | for_each_child_of_node(dai_node, dai_np) { | |
704 | dai_info = info->dai_info + dai_i; | |
705 | ||
706 | for (i = 0;; i++) { | |
707 | ||
708 | playback = of_parse_phandle(dai_np, "playback", i); | |
709 | capture = of_parse_phandle(dai_np, "capture", i); | |
710 | ||
711 | if (!playback && !capture) | |
712 | break; | |
713 | ||
714 | mod_parse(ssi); | |
715 | mod_parse(src); | |
9269e3c3 | 716 | mod_parse(ctu); |
70fb1052 | 717 | mod_parse(mix); |
34cb6123 | 718 | mod_parse(dvc); |
90e8e50f | 719 | |
a493b6a6 JL |
720 | of_node_put(playback); |
721 | of_node_put(capture); | |
90e8e50f KM |
722 | } |
723 | ||
724 | dai_i++; | |
725 | } | |
726 | } | |
727 | ||
1536a968 | 728 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 729 | const struct rsnd_of_data *of_data, |
1536a968 KM |
730 | struct rsnd_priv *priv) |
731 | { | |
732 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 733 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 734 | struct rsnd_dai *rdai; |
29e69fd2 | 735 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 736 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 737 | int dai_nr; |
4b4dab82 KM |
738 | int i; |
739 | ||
90e8e50f KM |
740 | rsnd_of_parse_dai(pdev, of_data, priv); |
741 | ||
90e8e50f | 742 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
743 | if (!dai_nr) { |
744 | dev_err(dev, "no dai\n"); | |
745 | return -EIO; | |
746 | } | |
1536a968 KM |
747 | |
748 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
749 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
750 | if (!drv || !rdai) { | |
751 | dev_err(dev, "dai allocate failed\n"); | |
752 | return -ENOMEM; | |
753 | } | |
754 | ||
ecba9e72 | 755 | priv->rdai_nr = dai_nr; |
49848073 KM |
756 | priv->daidrv = drv; |
757 | priv->rdai = rdai; | |
758 | ||
1536a968 | 759 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 760 | |
7c57d76f KM |
761 | pmod = info->dai_info[i].playback.ssi; |
762 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
763 | |
764 | /* | |
765 | * init rsnd_dai | |
766 | */ | |
1536a968 | 767 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 768 | rdai[i].priv = priv; |
1536a968 KM |
769 | |
770 | /* | |
771 | * init snd_soc_dai_driver | |
772 | */ | |
773 | drv[i].name = rdai[i].name; | |
774 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 775 | if (pmod) { |
f8c3c309 KM |
776 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
777 | "DAI%d Playback", i); | |
778 | ||
1536a968 KM |
779 | drv[i].playback.rates = RSND_RATES; |
780 | drv[i].playback.formats = RSND_FMTS; | |
781 | drv[i].playback.channels_min = 2; | |
782 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 783 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 784 | |
29e69fd2 | 785 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 786 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 787 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 788 | } |
4b4dab82 | 789 | if (cmod) { |
f8c3c309 KM |
790 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
791 | "DAI%d Capture", i); | |
792 | ||
1536a968 KM |
793 | drv[i].capture.rates = RSND_RATES; |
794 | drv[i].capture.formats = RSND_FMTS; | |
795 | drv[i].capture.channels_min = 2; | |
796 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 797 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 798 | |
29e69fd2 | 799 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 800 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 801 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
802 | } |
803 | ||
4b4dab82 KM |
804 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
805 | pmod ? "play" : " -- ", | |
806 | cmod ? "capture" : " -- "); | |
1536a968 KM |
807 | } |
808 | ||
1536a968 KM |
809 | return 0; |
810 | } | |
811 | ||
1536a968 KM |
812 | /* |
813 | * pcm ops | |
814 | */ | |
815 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
816 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
817 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 818 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
819 | .buffer_bytes_max = 64 * 1024, |
820 | .period_bytes_min = 32, | |
821 | .period_bytes_max = 8192, | |
822 | .periods_min = 1, | |
823 | .periods_max = 32, | |
824 | .fifo_size = 256, | |
825 | }; | |
826 | ||
827 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
828 | { | |
829 | struct snd_pcm_runtime *runtime = substream->runtime; | |
830 | int ret = 0; | |
831 | ||
832 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
833 | ||
834 | ret = snd_pcm_hw_constraint_integer(runtime, | |
835 | SNDRV_PCM_HW_PARAM_PERIODS); | |
836 | ||
837 | return ret; | |
838 | } | |
839 | ||
840 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
841 | struct snd_pcm_hw_params *hw_params) | |
842 | { | |
3b7843ff KM |
843 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
844 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
845 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
846 | int ret; | |
847 | ||
848 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
849 | if (ret) | |
850 | return ret; | |
851 | ||
1536a968 KM |
852 | return snd_pcm_lib_malloc_pages(substream, |
853 | params_buffer_bytes(hw_params)); | |
854 | } | |
855 | ||
856 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
857 | { | |
858 | struct snd_pcm_runtime *runtime = substream->runtime; | |
859 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
860 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
861 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
862 | ||
863 | return bytes_to_frames(runtime, io->byte_pos); | |
864 | } | |
865 | ||
866 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
867 | .open = rsnd_pcm_open, | |
868 | .ioctl = snd_pcm_lib_ioctl, | |
869 | .hw_params = rsnd_hw_params, | |
870 | .hw_free = snd_pcm_lib_free_pages, | |
871 | .pointer = rsnd_pointer, | |
872 | }; | |
873 | ||
170a2497 KM |
874 | /* |
875 | * snd_kcontrol | |
876 | */ | |
877 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
878 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
879 | struct snd_ctl_elem_info *uinfo) | |
880 | { | |
881 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
882 | ||
883 | if (cfg->texts) { | |
884 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
885 | uinfo->count = cfg->size; | |
886 | uinfo->value.enumerated.items = cfg->max; | |
887 | if (uinfo->value.enumerated.item >= cfg->max) | |
888 | uinfo->value.enumerated.item = cfg->max - 1; | |
889 | strlcpy(uinfo->value.enumerated.name, | |
890 | cfg->texts[uinfo->value.enumerated.item], | |
891 | sizeof(uinfo->value.enumerated.name)); | |
892 | } else { | |
893 | uinfo->count = cfg->size; | |
894 | uinfo->value.integer.min = 0; | |
895 | uinfo->value.integer.max = cfg->max; | |
896 | uinfo->type = (cfg->max == 1) ? | |
897 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
898 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
899 | } | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
904 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
905 | struct snd_ctl_elem_value *uc) | |
906 | { | |
907 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
908 | int i; | |
909 | ||
910 | for (i = 0; i < cfg->size; i++) | |
911 | if (cfg->texts) | |
912 | uc->value.enumerated.item[i] = cfg->val[i]; | |
913 | else | |
914 | uc->value.integer.value[i] = cfg->val[i]; | |
915 | ||
916 | return 0; | |
917 | } | |
918 | ||
919 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
920 | struct snd_ctl_elem_value *uc) | |
921 | { | |
922 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
923 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
924 | int i, change = 0; | |
925 | ||
926 | for (i = 0; i < cfg->size; i++) { | |
927 | if (cfg->texts) { | |
928 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
929 | cfg->val[i] = uc->value.enumerated.item[i]; | |
930 | } else { | |
931 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
932 | cfg->val[i] = uc->value.integer.value[i]; | |
933 | } | |
934 | } | |
935 | ||
936 | if (change) | |
b65a7ccc | 937 | cfg->update(cfg->io, mod); |
170a2497 KM |
938 | |
939 | return change; | |
940 | } | |
941 | ||
942 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 943 | struct rsnd_dai_stream *io, |
170a2497 KM |
944 | struct snd_soc_pcm_runtime *rtd, |
945 | const unsigned char *name, | |
946 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
947 | void (*update)(struct rsnd_dai_stream *io, |
948 | struct rsnd_mod *mod)) | |
170a2497 | 949 | { |
da620d72 | 950 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
951 | struct snd_card *card = rtd->card->snd_card; |
952 | struct snd_kcontrol *kctrl; | |
953 | struct snd_kcontrol_new knew = { | |
954 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
955 | .name = name, | |
956 | .info = rsnd_kctrl_info, | |
da620d72 | 957 | .index = rtd - soc_card->rtd, |
170a2497 KM |
958 | .get = rsnd_kctrl_get, |
959 | .put = rsnd_kctrl_put, | |
960 | .private_value = (unsigned long)cfg, | |
961 | }; | |
962 | int ret; | |
963 | ||
964 | kctrl = snd_ctl_new1(&knew, mod); | |
965 | if (!kctrl) | |
966 | return -ENOMEM; | |
967 | ||
968 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
969 | if (ret < 0) { |
970 | snd_ctl_free_one(kctrl); | |
170a2497 | 971 | return ret; |
d1f83d6e | 972 | } |
170a2497 KM |
973 | |
974 | cfg->update = update; | |
d1f83d6e KM |
975 | cfg->card = card; |
976 | cfg->kctrl = kctrl; | |
b65a7ccc | 977 | cfg->io = io; |
170a2497 KM |
978 | |
979 | return 0; | |
980 | } | |
981 | ||
d1f83d6e KM |
982 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
983 | { | |
984 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
985 | } | |
986 | ||
170a2497 | 987 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 988 | struct rsnd_dai_stream *io, |
170a2497 KM |
989 | struct snd_soc_pcm_runtime *rtd, |
990 | const unsigned char *name, | |
b65a7ccc KM |
991 | void (*update)(struct rsnd_dai_stream *io, |
992 | struct rsnd_mod *mod), | |
170a2497 KM |
993 | struct rsnd_kctrl_cfg_m *_cfg, |
994 | u32 max) | |
995 | { | |
996 | _cfg->cfg.max = max; | |
997 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
998 | _cfg->cfg.val = _cfg->val; | |
b65a7ccc | 999 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1000 | } |
1001 | ||
1002 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 1003 | struct rsnd_dai_stream *io, |
170a2497 KM |
1004 | struct snd_soc_pcm_runtime *rtd, |
1005 | const unsigned char *name, | |
b65a7ccc KM |
1006 | void (*update)(struct rsnd_dai_stream *io, |
1007 | struct rsnd_mod *mod), | |
170a2497 KM |
1008 | struct rsnd_kctrl_cfg_s *_cfg, |
1009 | u32 max) | |
1010 | { | |
1011 | _cfg->cfg.max = max; | |
1012 | _cfg->cfg.size = 1; | |
1013 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 1014 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1015 | } |
1016 | ||
1017 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 1018 | struct rsnd_dai_stream *io, |
170a2497 KM |
1019 | struct snd_soc_pcm_runtime *rtd, |
1020 | const unsigned char *name, | |
1021 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
1022 | void (*update)(struct rsnd_dai_stream *io, |
1023 | struct rsnd_mod *mod), | |
170a2497 KM |
1024 | const char * const *texts, |
1025 | u32 max) | |
1026 | { | |
1027 | _cfg->cfg.max = max; | |
1028 | _cfg->cfg.size = 1; | |
1029 | _cfg->cfg.val = &_cfg->val; | |
1030 | _cfg->cfg.texts = texts; | |
b65a7ccc | 1031 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1032 | } |
1033 | ||
1536a968 KM |
1034 | /* |
1035 | * snd_soc_platform | |
1036 | */ | |
1037 | ||
1038 | #define PREALLOC_BUFFER (32 * 1024) | |
1039 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1040 | ||
1041 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
1042 | { | |
7c63f3c0 KM |
1043 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1044 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1045 | int ret; |
bff58ea4 | 1046 | |
ae11a9be KM |
1047 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1048 | if (ret) | |
1049 | return ret; | |
bff58ea4 | 1050 | |
ae11a9be | 1051 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1052 | if (ret) |
1053 | return ret; | |
bff58ea4 | 1054 | |
1536a968 KM |
1055 | return snd_pcm_lib_preallocate_pages_for_all( |
1056 | rtd->pcm, | |
1057 | SNDRV_DMA_TYPE_DEV, | |
1058 | rtd->card->snd_card->dev, | |
1059 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
1060 | } | |
1061 | ||
1536a968 KM |
1062 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1063 | .ops = &rsnd_pcm_ops, | |
1064 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1065 | }; |
1066 | ||
1067 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1068 | .name = "rsnd", | |
1069 | }; | |
1070 | ||
d3a76823 | 1071 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1072 | struct rsnd_dai_stream *io) |
d3a76823 | 1073 | { |
d3a76823 KM |
1074 | int ret; |
1075 | ||
690602fc | 1076 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1077 | if (ret == -EAGAIN) { |
48d58281 KM |
1078 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
1079 | int i; | |
1080 | ||
d3a76823 KM |
1081 | /* |
1082 | * Fallback to PIO mode | |
1083 | */ | |
1084 | ||
1085 | /* | |
1086 | * call "remove" for SSI/SRC/DVC | |
1087 | * SSI will be switch to PIO mode if it was DMA mode | |
1088 | * see | |
1089 | * rsnd_dma_init() | |
97463e19 | 1090 | * rsnd_ssi_fallback() |
d3a76823 | 1091 | */ |
690602fc | 1092 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1093 | |
1094 | /* | |
48d58281 KM |
1095 | * remove all mod from io |
1096 | * and, re connect ssi | |
d3a76823 | 1097 | */ |
48d58281 KM |
1098 | for (i = 0; i < RSND_MOD_MAX; i++) |
1099 | rsnd_dai_disconnect((io)->mod[i], io, i); | |
1100 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); | |
d3a76823 | 1101 | |
97463e19 KM |
1102 | /* |
1103 | * fallback | |
1104 | */ | |
690602fc | 1105 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1106 | |
d3a76823 KM |
1107 | /* |
1108 | * retry to "probe". | |
1109 | * DAI has SSI which is PIO mode only now. | |
1110 | */ | |
690602fc | 1111 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1112 | } |
1113 | ||
1114 | return ret; | |
1115 | } | |
1116 | ||
1536a968 KM |
1117 | /* |
1118 | * rsnd probe | |
1119 | */ | |
1120 | static int rsnd_probe(struct platform_device *pdev) | |
1121 | { | |
1122 | struct rcar_snd_info *info; | |
1123 | struct rsnd_priv *priv; | |
1124 | struct device *dev = &pdev->dev; | |
7681f6ac | 1125 | struct rsnd_dai *rdai; |
90e8e50f KM |
1126 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1127 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1128 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1129 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1130 | struct rsnd_priv *priv) = { |
1131 | rsnd_gen_probe, | |
288f392e | 1132 | rsnd_dma_probe, |
d1ac970f | 1133 | rsnd_ssi_probe, |
c7f69ab5 | 1134 | rsnd_ssiu_probe, |
ba9c949f | 1135 | rsnd_src_probe, |
9269e3c3 | 1136 | rsnd_ctu_probe, |
70fb1052 | 1137 | rsnd_mix_probe, |
bff58ea4 | 1138 | rsnd_dvc_probe, |
1b2ca0ad | 1139 | rsnd_cmd_probe, |
d1ac970f KM |
1140 | rsnd_adg_probe, |
1141 | rsnd_dai_probe, | |
1142 | }; | |
1143 | int ret, i; | |
1536a968 | 1144 | |
dcc448e6 GU |
1145 | info = devm_kzalloc(&pdev->dev, sizeof(struct rcar_snd_info), |
1146 | GFP_KERNEL); | |
1147 | if (!info) | |
1148 | return -ENOMEM; | |
1149 | of_data = of_id->data; | |
1536a968 KM |
1150 | |
1151 | /* | |
1152 | * init priv data | |
1153 | */ | |
1154 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1155 | if (!priv) { | |
1156 | dev_err(dev, "priv allocate failed\n"); | |
1157 | return -ENODEV; | |
1158 | } | |
1159 | ||
9f464f8e | 1160 | priv->pdev = pdev; |
1536a968 KM |
1161 | priv->info = info; |
1162 | spin_lock_init(&priv->lock); | |
1163 | ||
1164 | /* | |
1165 | * init each module | |
1166 | */ | |
d1ac970f | 1167 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1168 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1169 | if (ret) |
1170 | return ret; | |
1171 | } | |
07539c1d | 1172 | |
7681f6ac | 1173 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1174 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1175 | if (ret) |
d62a3dcd | 1176 | goto exit_snd_probe; |
dfc9403b | 1177 | |
f708d944 | 1178 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1179 | if (ret) |
d62a3dcd | 1180 | goto exit_snd_probe; |
7681f6ac | 1181 | } |
4b4dab82 | 1182 | |
0b1f6ec7 KM |
1183 | dev_set_drvdata(dev, priv); |
1184 | ||
1536a968 KM |
1185 | /* |
1186 | * asoc register | |
1187 | */ | |
1188 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1189 | if (ret < 0) { | |
1190 | dev_err(dev, "cannot snd soc register\n"); | |
1191 | return ret; | |
1192 | } | |
1193 | ||
1194 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1195 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1196 | if (ret < 0) { |
1197 | dev_err(dev, "cannot snd dai register\n"); | |
1198 | goto exit_snd_soc; | |
1199 | } | |
1200 | ||
1536a968 KM |
1201 | pm_runtime_enable(dev); |
1202 | ||
1203 | dev_info(dev, "probed\n"); | |
1204 | return ret; | |
1205 | ||
1206 | exit_snd_soc: | |
1207 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1208 | exit_snd_probe: |
1209 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1210 | rsnd_dai_call(remove, &rdai->playback, priv); |
1211 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1212 | } |
1536a968 KM |
1213 | |
1214 | return ret; | |
1215 | } | |
1216 | ||
1217 | static int rsnd_remove(struct platform_device *pdev) | |
1218 | { | |
1219 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1220 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1221 | void (*remove_func[])(struct platform_device *pdev, |
1222 | struct rsnd_priv *priv) = { | |
1223 | rsnd_ssi_remove, | |
c7f69ab5 | 1224 | rsnd_ssiu_remove, |
2f78dd7f | 1225 | rsnd_src_remove, |
9269e3c3 | 1226 | rsnd_ctu_remove, |
70fb1052 | 1227 | rsnd_mix_remove, |
2f78dd7f | 1228 | rsnd_dvc_remove, |
1b2ca0ad | 1229 | rsnd_cmd_remove, |
2f78dd7f | 1230 | }; |
d62a3dcd | 1231 | int ret = 0, i; |
1536a968 KM |
1232 | |
1233 | pm_runtime_disable(&pdev->dev); | |
1234 | ||
7681f6ac | 1235 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1236 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1237 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1238 | } |
1536a968 | 1239 | |
2f78dd7f KM |
1240 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1241 | remove_func[i](pdev, priv); | |
1242 | ||
d7c42ff8 KM |
1243 | snd_soc_unregister_component(&pdev->dev); |
1244 | snd_soc_unregister_platform(&pdev->dev); | |
1245 | ||
d62a3dcd | 1246 | return ret; |
1536a968 KM |
1247 | } |
1248 | ||
1249 | static struct platform_driver rsnd_driver = { | |
1250 | .driver = { | |
1251 | .name = "rcar_sound", | |
90e8e50f | 1252 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1253 | }, |
1254 | .probe = rsnd_probe, | |
1255 | .remove = rsnd_remove, | |
1256 | }; | |
1257 | module_platform_driver(rsnd_driver); | |
1258 | ||
1259 | MODULE_LICENSE("GPL"); | |
1260 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1261 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1262 | MODULE_ALIAS("platform:rcar-pcm-audio"); |