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 | ||
02299d98 KM |
199 | int rsnd_mod_is_working(struct rsnd_mod *mod) |
200 | { | |
201 | struct rsnd_dai_stream *io = rsnd_mod_to_io(mod); | |
202 | ||
203 | /* see rsnd_dai_stream_init/quit() */ | |
204 | return !!io->substream; | |
205 | } | |
206 | ||
d7bdbc5d KM |
207 | /* |
208 | * settting function | |
209 | */ | |
4e2639ff | 210 | u32 rsnd_get_adinr(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
211 | { |
212 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
213 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
214 | struct device *dev = rsnd_priv_to_dev(priv); | |
215 | u32 adinr = runtime->channels; | |
216 | ||
217 | switch (runtime->sample_bits) { | |
218 | case 16: | |
219 | adinr |= (8 << 16); | |
220 | break; | |
221 | case 32: | |
222 | adinr |= (0 << 16); | |
223 | break; | |
224 | default: | |
225 | dev_warn(dev, "not supported sample bits\n"); | |
226 | return 0; | |
227 | } | |
228 | ||
229 | return adinr; | |
230 | } | |
231 | ||
1536a968 KM |
232 | /* |
233 | * rsnd_dai functions | |
234 | */ | |
2c0fac19 | 235 | #define __rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
236 | ({ \ |
237 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ | |
238 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
5451ea44 KM |
239 | u32 mask = 0xF << __rsnd_mod_shift_##func; \ |
240 | u8 val = (mod->status >> __rsnd_mod_shift_##func) & 0xF; \ | |
241 | u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ | |
417f9642 | 242 | int ret = 0; \ |
5451ea44 KM |
243 | int called = 0; \ |
244 | if (val == __rsnd_mod_call_##func) { \ | |
245 | called = 1; \ | |
2c0fac19 | 246 | ret = (mod)->ops->func(mod, io, param); \ |
5451ea44 KM |
247 | mod->status = (mod->status & ~mask) + \ |
248 | (add << __rsnd_mod_shift_##func); \ | |
417f9642 | 249 | } \ |
5451ea44 KM |
250 | dev_dbg(dev, "%s[%d] 0x%08x %s\n", \ |
251 | rsnd_mod_name(mod), rsnd_mod_id(mod), mod->status, \ | |
252 | called ? #func : ""); \ | |
417f9642 | 253 | ret; \ |
d870a91e KM |
254 | }) |
255 | ||
2c0fac19 | 256 | #define rsnd_mod_call(mod, io, func, param...) \ |
d870a91e KM |
257 | (!(mod) ? -ENODEV : \ |
258 | !((mod)->ops->func) ? 0 : \ | |
2c0fac19 | 259 | __rsnd_mod_call(mod, io, func, param)) |
d870a91e | 260 | |
690602fc | 261 | #define rsnd_dai_call(fn, io, param...) \ |
d870a91e | 262 | ({ \ |
a126021d KM |
263 | struct rsnd_mod *mod; \ |
264 | int ret = 0, i; \ | |
265 | for (i = 0; i < RSND_MOD_MAX; i++) { \ | |
266 | mod = (io)->mod[i]; \ | |
267 | if (!mod) \ | |
268 | continue; \ | |
2c0fac19 | 269 | ret = rsnd_mod_call(mod, io, fn, param); \ |
d870a91e KM |
270 | if (ret < 0) \ |
271 | break; \ | |
272 | } \ | |
273 | ret; \ | |
cdaa3cdf KM |
274 | }) |
275 | ||
a126021d | 276 | static int rsnd_dai_connect(struct rsnd_mod *mod, |
9bfed6cf | 277 | struct rsnd_dai_stream *io) |
cdaa3cdf | 278 | { |
6020779b | 279 | if (!mod) |
cdaa3cdf | 280 | return -EIO; |
cdaa3cdf | 281 | |
a126021d | 282 | if (io->mod[mod->type]) { |
6020779b KM |
283 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); |
284 | struct device *dev = rsnd_priv_to_dev(priv); | |
285 | ||
072bd1e7 | 286 | dev_err(dev, "%s[%d] is not empty\n", |
cdaa3cdf KM |
287 | rsnd_mod_name(mod), |
288 | rsnd_mod_id(mod)); | |
289 | return -EIO; | |
290 | } | |
291 | ||
a126021d | 292 | io->mod[mod->type] = mod; |
4686a0ad | 293 | mod->io = io; |
cdaa3cdf KM |
294 | |
295 | return 0; | |
296 | } | |
297 | ||
d3a76823 KM |
298 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
299 | struct rsnd_dai_stream *io) | |
300 | { | |
301 | mod->io = NULL; | |
302 | io->mod[mod->type] = NULL; | |
303 | } | |
304 | ||
710d0889 | 305 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 306 | { |
ecba9e72 | 307 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
308 | return NULL; |
309 | ||
1536a968 KM |
310 | return priv->rdai + id; |
311 | } | |
312 | ||
eb2535f5 | 313 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
314 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
315 | { | |
eb2535f5 | 316 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 317 | |
710d0889 | 318 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
319 | } |
320 | ||
1536a968 KM |
321 | /* |
322 | * rsnd_soc_dai functions | |
323 | */ | |
324 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
325 | { | |
326 | struct snd_pcm_substream *substream = io->substream; | |
327 | struct snd_pcm_runtime *runtime = substream->runtime; | |
328 | int pos = io->byte_pos + additional; | |
329 | ||
330 | pos %= (runtime->periods * io->byte_per_period); | |
331 | ||
332 | return pos; | |
333 | } | |
334 | ||
75defee0 | 335 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
336 | { |
337 | io->byte_pos += byte; | |
338 | ||
339 | if (io->byte_pos >= io->next_period_byte) { | |
340 | struct snd_pcm_substream *substream = io->substream; | |
341 | struct snd_pcm_runtime *runtime = substream->runtime; | |
342 | ||
343 | io->period_pos++; | |
344 | io->next_period_byte += io->byte_per_period; | |
345 | ||
346 | if (io->period_pos >= runtime->periods) { | |
347 | io->byte_pos = 0; | |
348 | io->period_pos = 0; | |
349 | io->next_period_byte = io->byte_per_period; | |
350 | } | |
351 | ||
75defee0 | 352 | return true; |
1536a968 | 353 | } |
75defee0 KM |
354 | |
355 | return false; | |
356 | } | |
357 | ||
358 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
359 | { | |
360 | struct snd_pcm_substream *substream = io->substream; | |
361 | ||
362 | /* | |
363 | * this function should be called... | |
364 | * | |
365 | * - if rsnd_dai_pointer_update() returns true | |
366 | * - without spin lock | |
367 | */ | |
368 | ||
369 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
370 | } |
371 | ||
5626ad08 | 372 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
373 | struct snd_pcm_substream *substream) |
374 | { | |
375 | struct snd_pcm_runtime *runtime = substream->runtime; | |
376 | ||
1536a968 KM |
377 | io->substream = substream; |
378 | io->byte_pos = 0; | |
379 | io->period_pos = 0; | |
380 | io->byte_per_period = runtime->period_size * | |
381 | runtime->channels * | |
382 | samples_to_bytes(runtime, 1); | |
383 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 384 | } |
1536a968 | 385 | |
5626ad08 KM |
386 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
387 | { | |
388 | io->substream = NULL; | |
1536a968 KM |
389 | } |
390 | ||
391 | static | |
392 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
393 | { | |
394 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
395 | ||
396 | return rtd->cpu_dai; | |
397 | } | |
398 | ||
399 | static | |
400 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
401 | struct snd_pcm_substream *substream) | |
402 | { | |
403 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
404 | return &rdai->playback; | |
405 | else | |
406 | return &rdai->capture; | |
407 | } | |
408 | ||
409 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
410 | struct snd_soc_dai *dai) | |
411 | { | |
eb2535f5 | 412 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
413 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
414 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
29e69fd2 | 415 | int ssi_id = rsnd_mod_id(rsnd_io_to_mod_ssi(io)); |
1536a968 KM |
416 | int ret; |
417 | unsigned long flags; | |
418 | ||
02299d98 | 419 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
420 | |
421 | switch (cmd) { | |
422 | case SNDRV_PCM_TRIGGER_START: | |
5626ad08 | 423 | rsnd_dai_stream_init(io, substream); |
1536a968 KM |
424 | |
425 | ret = rsnd_platform_call(priv, dai, start, ssi_id); | |
426 | if (ret < 0) | |
427 | goto dai_trigger_end; | |
428 | ||
690602fc | 429 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
430 | if (ret < 0) |
431 | goto dai_trigger_end; | |
432 | ||
690602fc | 433 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
434 | if (ret < 0) |
435 | goto dai_trigger_end; | |
1536a968 KM |
436 | break; |
437 | case SNDRV_PCM_TRIGGER_STOP: | |
690602fc | 438 | ret = rsnd_dai_call(stop, io, priv); |
cdaa3cdf KM |
439 | if (ret < 0) |
440 | goto dai_trigger_end; | |
441 | ||
690602fc | 442 | ret = rsnd_dai_call(quit, io, priv); |
cdaa3cdf KM |
443 | if (ret < 0) |
444 | goto dai_trigger_end; | |
445 | ||
3337744a KM |
446 | ret = rsnd_platform_call(priv, dai, stop, ssi_id); |
447 | if (ret < 0) | |
448 | goto dai_trigger_end; | |
5626ad08 KM |
449 | |
450 | rsnd_dai_stream_quit(io); | |
1536a968 KM |
451 | break; |
452 | default: | |
453 | ret = -EINVAL; | |
454 | } | |
455 | ||
456 | dai_trigger_end: | |
02299d98 | 457 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
458 | |
459 | return ret; | |
460 | } | |
461 | ||
462 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
463 | { | |
464 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
465 | ||
466 | /* set master/slave audio interface */ | |
467 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
468 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 469 | rdai->clk_master = 0; |
1536a968 KM |
470 | break; |
471 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 472 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
473 | break; |
474 | default: | |
475 | return -EINVAL; | |
476 | } | |
477 | ||
1536a968 KM |
478 | /* set format */ |
479 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
480 | case SND_SOC_DAIFMT_I2S: | |
481 | rdai->sys_delay = 0; | |
482 | rdai->data_alignment = 0; | |
1a7889ca | 483 | rdai->frm_clk_inv = 0; |
1536a968 KM |
484 | break; |
485 | case SND_SOC_DAIFMT_LEFT_J: | |
486 | rdai->sys_delay = 1; | |
487 | rdai->data_alignment = 0; | |
1a7889ca | 488 | rdai->frm_clk_inv = 1; |
1536a968 KM |
489 | break; |
490 | case SND_SOC_DAIFMT_RIGHT_J: | |
491 | rdai->sys_delay = 1; | |
492 | rdai->data_alignment = 1; | |
1a7889ca KM |
493 | rdai->frm_clk_inv = 1; |
494 | break; | |
495 | } | |
496 | ||
497 | /* set clock inversion */ | |
498 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
499 | case SND_SOC_DAIFMT_NB_IF: | |
500 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
501 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
502 | break; | |
503 | case SND_SOC_DAIFMT_IB_NF: | |
504 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
505 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
506 | break; | |
507 | case SND_SOC_DAIFMT_IB_IF: | |
508 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
509 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
510 | break; | |
511 | case SND_SOC_DAIFMT_NB_NF: | |
512 | default: | |
1536a968 KM |
513 | break; |
514 | } | |
515 | ||
516 | return 0; | |
517 | } | |
518 | ||
519 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { | |
520 | .trigger = rsnd_soc_dai_trigger, | |
521 | .set_fmt = rsnd_soc_dai_set_fmt, | |
522 | }; | |
523 | ||
739f9502 KM |
524 | #define rsnd_path_parse(priv, io, type) \ |
525 | ({ \ | |
526 | struct rsnd_mod *mod; \ | |
527 | int ret = 0; \ | |
528 | int id = -1; \ | |
529 | \ | |
530 | if (rsnd_is_enable_path(io, type)) { \ | |
531 | id = rsnd_info_id(priv, io, type); \ | |
532 | if (id >= 0) { \ | |
533 | mod = rsnd_##type##_mod_get(priv, id); \ | |
534 | ret = rsnd_dai_connect(mod, io); \ | |
535 | } \ | |
536 | } \ | |
537 | ret; \ | |
538 | }) | |
539 | ||
d3a76823 KM |
540 | #define rsnd_path_break(priv, io, type) \ |
541 | { \ | |
542 | struct rsnd_mod *mod; \ | |
543 | int id = -1; \ | |
544 | \ | |
545 | if (rsnd_is_enable_path(io, type)) { \ | |
546 | id = rsnd_info_id(priv, io, type); \ | |
547 | if (id >= 0) { \ | |
548 | mod = rsnd_##type##_mod_get(priv, id); \ | |
549 | rsnd_dai_disconnect(mod, io); \ | |
550 | } \ | |
551 | } \ | |
552 | } | |
553 | ||
9bfed6cf KM |
554 | static int rsnd_path_init(struct rsnd_priv *priv, |
555 | struct rsnd_dai *rdai, | |
556 | struct rsnd_dai_stream *io) | |
557 | { | |
9bfed6cf | 558 | int ret; |
9bfed6cf KM |
559 | |
560 | /* | |
561 | * Gen1 is created by SRU/SSI, and this SRU is base module of | |
562 | * Gen2's SCU/SSIU/SSI. (Gen2 SCU/SSIU came from SRU) | |
563 | * | |
564 | * Easy image is.. | |
565 | * Gen1 SRU = Gen2 SCU + SSIU + etc | |
566 | * | |
567 | * Gen2 SCU path is very flexible, but, Gen1 SRU (SCU parts) is | |
568 | * using fixed path. | |
9bfed6cf | 569 | */ |
9bfed6cf | 570 | |
ba9c949f | 571 | /* SRC */ |
739f9502 KM |
572 | ret = rsnd_path_parse(priv, io, src); |
573 | if (ret < 0) | |
574 | return ret; | |
9bfed6cf KM |
575 | |
576 | /* SSI */ | |
739f9502 KM |
577 | ret = rsnd_path_parse(priv, io, ssi); |
578 | if (ret < 0) | |
579 | return ret; | |
9bfed6cf | 580 | |
bff58ea4 KM |
581 | /* DVC */ |
582 | ret = rsnd_path_parse(priv, io, dvc); | |
583 | if (ret < 0) | |
584 | return ret; | |
9bfed6cf KM |
585 | |
586 | return ret; | |
587 | } | |
588 | ||
90e8e50f KM |
589 | static void rsnd_of_parse_dai(struct platform_device *pdev, |
590 | const struct rsnd_of_data *of_data, | |
591 | struct rsnd_priv *priv) | |
592 | { | |
593 | struct device_node *dai_node, *dai_np; | |
594 | struct device_node *ssi_node, *ssi_np; | |
595 | struct device_node *src_node, *src_np; | |
34cb6123 | 596 | struct device_node *dvc_node, *dvc_np; |
90e8e50f KM |
597 | struct device_node *playback, *capture; |
598 | struct rsnd_dai_platform_info *dai_info; | |
599 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); | |
600 | struct device *dev = &pdev->dev; | |
601 | int nr, i; | |
34cb6123 | 602 | int dai_i, ssi_i, src_i, dvc_i; |
90e8e50f KM |
603 | |
604 | if (!of_data) | |
605 | return; | |
606 | ||
607 | dai_node = of_get_child_by_name(dev->of_node, "rcar_sound,dai"); | |
608 | if (!dai_node) | |
609 | return; | |
610 | ||
611 | nr = of_get_child_count(dai_node); | |
612 | if (!nr) | |
613 | return; | |
614 | ||
615 | dai_info = devm_kzalloc(dev, | |
616 | sizeof(struct rsnd_dai_platform_info) * nr, | |
617 | GFP_KERNEL); | |
618 | if (!dai_info) { | |
619 | dev_err(dev, "dai info allocation error\n"); | |
620 | return; | |
621 | } | |
622 | ||
623 | info->dai_info_nr = nr; | |
624 | info->dai_info = dai_info; | |
625 | ||
626 | ssi_node = of_get_child_by_name(dev->of_node, "rcar_sound,ssi"); | |
627 | src_node = of_get_child_by_name(dev->of_node, "rcar_sound,src"); | |
34cb6123 | 628 | dvc_node = of_get_child_by_name(dev->of_node, "rcar_sound,dvc"); |
90e8e50f KM |
629 | |
630 | #define mod_parse(name) \ | |
631 | if (name##_node) { \ | |
632 | struct rsnd_##name##_platform_info *name##_info; \ | |
633 | \ | |
634 | name##_i = 0; \ | |
635 | for_each_child_of_node(name##_node, name##_np) { \ | |
636 | name##_info = info->name##_info + name##_i; \ | |
637 | \ | |
638 | if (name##_np == playback) \ | |
639 | dai_info->playback.name = name##_info; \ | |
640 | if (name##_np == capture) \ | |
641 | dai_info->capture.name = name##_info; \ | |
642 | \ | |
643 | name##_i++; \ | |
644 | } \ | |
645 | } | |
646 | ||
647 | /* | |
648 | * parse all dai | |
649 | */ | |
650 | dai_i = 0; | |
651 | for_each_child_of_node(dai_node, dai_np) { | |
652 | dai_info = info->dai_info + dai_i; | |
653 | ||
654 | for (i = 0;; i++) { | |
655 | ||
656 | playback = of_parse_phandle(dai_np, "playback", i); | |
657 | capture = of_parse_phandle(dai_np, "capture", i); | |
658 | ||
659 | if (!playback && !capture) | |
660 | break; | |
661 | ||
662 | mod_parse(ssi); | |
663 | mod_parse(src); | |
34cb6123 | 664 | mod_parse(dvc); |
90e8e50f | 665 | |
a493b6a6 JL |
666 | of_node_put(playback); |
667 | of_node_put(capture); | |
90e8e50f KM |
668 | } |
669 | ||
670 | dai_i++; | |
671 | } | |
672 | } | |
673 | ||
1536a968 | 674 | static int rsnd_dai_probe(struct platform_device *pdev, |
90e8e50f | 675 | const struct rsnd_of_data *of_data, |
1536a968 KM |
676 | struct rsnd_priv *priv) |
677 | { | |
678 | struct snd_soc_dai_driver *drv; | |
78f13d0c | 679 | struct rcar_snd_info *info = rsnd_priv_to_info(priv); |
1536a968 | 680 | struct rsnd_dai *rdai; |
29e69fd2 | 681 | struct rsnd_ssi_platform_info *pmod, *cmod; |
1536a968 | 682 | struct device *dev = rsnd_priv_to_dev(priv); |
90e8e50f | 683 | int dai_nr; |
4b4dab82 KM |
684 | int i; |
685 | ||
90e8e50f KM |
686 | rsnd_of_parse_dai(pdev, of_data, priv); |
687 | ||
90e8e50f | 688 | dai_nr = info->dai_info_nr; |
4b4dab82 KM |
689 | if (!dai_nr) { |
690 | dev_err(dev, "no dai\n"); | |
691 | return -EIO; | |
692 | } | |
1536a968 KM |
693 | |
694 | drv = devm_kzalloc(dev, sizeof(*drv) * dai_nr, GFP_KERNEL); | |
695 | rdai = devm_kzalloc(dev, sizeof(*rdai) * dai_nr, GFP_KERNEL); | |
696 | if (!drv || !rdai) { | |
697 | dev_err(dev, "dai allocate failed\n"); | |
698 | return -ENOMEM; | |
699 | } | |
700 | ||
ecba9e72 | 701 | priv->rdai_nr = dai_nr; |
49848073 KM |
702 | priv->daidrv = drv; |
703 | priv->rdai = rdai; | |
704 | ||
1536a968 | 705 | for (i = 0; i < dai_nr; i++) { |
1536a968 | 706 | |
7c57d76f KM |
707 | pmod = info->dai_info[i].playback.ssi; |
708 | cmod = info->dai_info[i].capture.ssi; | |
1536a968 KM |
709 | |
710 | /* | |
711 | * init rsnd_dai | |
712 | */ | |
1536a968 | 713 | snprintf(rdai[i].name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", i); |
1b13d118 | 714 | rdai[i].priv = priv; |
1536a968 KM |
715 | |
716 | /* | |
717 | * init snd_soc_dai_driver | |
718 | */ | |
719 | drv[i].name = rdai[i].name; | |
720 | drv[i].ops = &rsnd_soc_dai_ops; | |
4b4dab82 | 721 | if (pmod) { |
f8c3c309 KM |
722 | snprintf(rdai[i].playback.name, RSND_DAI_NAME_SIZE, |
723 | "DAI%d Playback", i); | |
724 | ||
1536a968 KM |
725 | drv[i].playback.rates = RSND_RATES; |
726 | drv[i].playback.formats = RSND_FMTS; | |
727 | drv[i].playback.channels_min = 2; | |
728 | drv[i].playback.channels_max = 2; | |
f8c3c309 | 729 | drv[i].playback.stream_name = rdai[i].playback.name; |
389933d9 | 730 | |
29e69fd2 | 731 | rdai[i].playback.info = &info->dai_info[i].playback; |
54cb5562 | 732 | rdai[i].playback.rdai = rdai + i; |
9bfed6cf | 733 | rsnd_path_init(priv, &rdai[i], &rdai[i].playback); |
1536a968 | 734 | } |
4b4dab82 | 735 | if (cmod) { |
f8c3c309 KM |
736 | snprintf(rdai[i].capture.name, RSND_DAI_NAME_SIZE, |
737 | "DAI%d Capture", i); | |
738 | ||
1536a968 KM |
739 | drv[i].capture.rates = RSND_RATES; |
740 | drv[i].capture.formats = RSND_FMTS; | |
741 | drv[i].capture.channels_min = 2; | |
742 | drv[i].capture.channels_max = 2; | |
f8c3c309 | 743 | drv[i].capture.stream_name = rdai[i].capture.name; |
389933d9 | 744 | |
29e69fd2 | 745 | rdai[i].capture.info = &info->dai_info[i].capture; |
54cb5562 | 746 | rdai[i].capture.rdai = rdai + i; |
9bfed6cf | 747 | rsnd_path_init(priv, &rdai[i], &rdai[i].capture); |
1536a968 KM |
748 | } |
749 | ||
4b4dab82 KM |
750 | dev_dbg(dev, "%s (%s/%s)\n", rdai[i].name, |
751 | pmod ? "play" : " -- ", | |
752 | cmod ? "capture" : " -- "); | |
1536a968 KM |
753 | } |
754 | ||
1536a968 KM |
755 | return 0; |
756 | } | |
757 | ||
1536a968 KM |
758 | /* |
759 | * pcm ops | |
760 | */ | |
761 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
762 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
763 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 764 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
765 | .buffer_bytes_max = 64 * 1024, |
766 | .period_bytes_min = 32, | |
767 | .period_bytes_max = 8192, | |
768 | .periods_min = 1, | |
769 | .periods_max = 32, | |
770 | .fifo_size = 256, | |
771 | }; | |
772 | ||
773 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
774 | { | |
775 | struct snd_pcm_runtime *runtime = substream->runtime; | |
776 | int ret = 0; | |
777 | ||
778 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
779 | ||
780 | ret = snd_pcm_hw_constraint_integer(runtime, | |
781 | SNDRV_PCM_HW_PARAM_PERIODS); | |
782 | ||
783 | return ret; | |
784 | } | |
785 | ||
786 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
787 | struct snd_pcm_hw_params *hw_params) | |
788 | { | |
3b7843ff KM |
789 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
790 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
791 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
792 | int ret; | |
793 | ||
794 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
795 | if (ret) | |
796 | return ret; | |
797 | ||
1536a968 KM |
798 | return snd_pcm_lib_malloc_pages(substream, |
799 | params_buffer_bytes(hw_params)); | |
800 | } | |
801 | ||
802 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
803 | { | |
804 | struct snd_pcm_runtime *runtime = substream->runtime; | |
805 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
806 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
807 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
808 | ||
809 | return bytes_to_frames(runtime, io->byte_pos); | |
810 | } | |
811 | ||
812 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
813 | .open = rsnd_pcm_open, | |
814 | .ioctl = snd_pcm_lib_ioctl, | |
815 | .hw_params = rsnd_hw_params, | |
816 | .hw_free = snd_pcm_lib_free_pages, | |
817 | .pointer = rsnd_pointer, | |
818 | }; | |
819 | ||
170a2497 KM |
820 | /* |
821 | * snd_kcontrol | |
822 | */ | |
823 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
824 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
825 | struct snd_ctl_elem_info *uinfo) | |
826 | { | |
827 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
828 | ||
829 | if (cfg->texts) { | |
830 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
831 | uinfo->count = cfg->size; | |
832 | uinfo->value.enumerated.items = cfg->max; | |
833 | if (uinfo->value.enumerated.item >= cfg->max) | |
834 | uinfo->value.enumerated.item = cfg->max - 1; | |
835 | strlcpy(uinfo->value.enumerated.name, | |
836 | cfg->texts[uinfo->value.enumerated.item], | |
837 | sizeof(uinfo->value.enumerated.name)); | |
838 | } else { | |
839 | uinfo->count = cfg->size; | |
840 | uinfo->value.integer.min = 0; | |
841 | uinfo->value.integer.max = cfg->max; | |
842 | uinfo->type = (cfg->max == 1) ? | |
843 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
844 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
845 | } | |
846 | ||
847 | return 0; | |
848 | } | |
849 | ||
850 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
851 | struct snd_ctl_elem_value *uc) | |
852 | { | |
853 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
854 | int i; | |
855 | ||
856 | for (i = 0; i < cfg->size; i++) | |
857 | if (cfg->texts) | |
858 | uc->value.enumerated.item[i] = cfg->val[i]; | |
859 | else | |
860 | uc->value.integer.value[i] = cfg->val[i]; | |
861 | ||
862 | return 0; | |
863 | } | |
864 | ||
865 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
866 | struct snd_ctl_elem_value *uc) | |
867 | { | |
868 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
869 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
870 | int i, change = 0; | |
871 | ||
872 | for (i = 0; i < cfg->size; i++) { | |
873 | if (cfg->texts) { | |
874 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
875 | cfg->val[i] = uc->value.enumerated.item[i]; | |
876 | } else { | |
877 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
878 | cfg->val[i] = uc->value.integer.value[i]; | |
879 | } | |
880 | } | |
881 | ||
882 | if (change) | |
883 | cfg->update(mod); | |
884 | ||
885 | return change; | |
886 | } | |
887 | ||
888 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
170a2497 KM |
889 | struct snd_soc_pcm_runtime *rtd, |
890 | const unsigned char *name, | |
891 | struct rsnd_kctrl_cfg *cfg, | |
892 | void (*update)(struct rsnd_mod *mod)) | |
893 | { | |
da620d72 | 894 | struct snd_soc_card *soc_card = rtd->card; |
170a2497 KM |
895 | struct snd_card *card = rtd->card->snd_card; |
896 | struct snd_kcontrol *kctrl; | |
897 | struct snd_kcontrol_new knew = { | |
898 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
899 | .name = name, | |
900 | .info = rsnd_kctrl_info, | |
da620d72 | 901 | .index = rtd - soc_card->rtd, |
170a2497 KM |
902 | .get = rsnd_kctrl_get, |
903 | .put = rsnd_kctrl_put, | |
904 | .private_value = (unsigned long)cfg, | |
905 | }; | |
906 | int ret; | |
907 | ||
908 | kctrl = snd_ctl_new1(&knew, mod); | |
909 | if (!kctrl) | |
910 | return -ENOMEM; | |
911 | ||
912 | ret = snd_ctl_add(card, kctrl); | |
d1f83d6e KM |
913 | if (ret < 0) { |
914 | snd_ctl_free_one(kctrl); | |
170a2497 | 915 | return ret; |
d1f83d6e | 916 | } |
170a2497 KM |
917 | |
918 | cfg->update = update; | |
d1f83d6e KM |
919 | cfg->card = card; |
920 | cfg->kctrl = kctrl; | |
170a2497 KM |
921 | |
922 | return 0; | |
923 | } | |
924 | ||
d1f83d6e KM |
925 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
926 | { | |
927 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
928 | } | |
929 | ||
170a2497 | 930 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
170a2497 KM |
931 | struct snd_soc_pcm_runtime *rtd, |
932 | const unsigned char *name, | |
933 | void (*update)(struct rsnd_mod *mod), | |
934 | struct rsnd_kctrl_cfg_m *_cfg, | |
935 | u32 max) | |
936 | { | |
937 | _cfg->cfg.max = max; | |
938 | _cfg->cfg.size = RSND_DVC_CHANNELS; | |
939 | _cfg->cfg.val = _cfg->val; | |
f708d944 | 940 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
941 | } |
942 | ||
943 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
170a2497 KM |
944 | struct snd_soc_pcm_runtime *rtd, |
945 | const unsigned char *name, | |
946 | void (*update)(struct rsnd_mod *mod), | |
947 | struct rsnd_kctrl_cfg_s *_cfg, | |
948 | u32 max) | |
949 | { | |
950 | _cfg->cfg.max = max; | |
951 | _cfg->cfg.size = 1; | |
952 | _cfg->cfg.val = &_cfg->val; | |
f708d944 | 953 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
954 | } |
955 | ||
956 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
170a2497 KM |
957 | struct snd_soc_pcm_runtime *rtd, |
958 | const unsigned char *name, | |
959 | struct rsnd_kctrl_cfg_s *_cfg, | |
960 | void (*update)(struct rsnd_mod *mod), | |
961 | const char * const *texts, | |
962 | u32 max) | |
963 | { | |
964 | _cfg->cfg.max = max; | |
965 | _cfg->cfg.size = 1; | |
966 | _cfg->cfg.val = &_cfg->val; | |
967 | _cfg->cfg.texts = texts; | |
f708d944 | 968 | return __rsnd_kctrl_new(mod, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
969 | } |
970 | ||
1536a968 KM |
971 | /* |
972 | * snd_soc_platform | |
973 | */ | |
974 | ||
975 | #define PREALLOC_BUFFER (32 * 1024) | |
976 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
977 | ||
978 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
979 | { | |
7c63f3c0 KM |
980 | struct snd_soc_dai *dai = rtd->cpu_dai; |
981 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 982 | int ret; |
bff58ea4 | 983 | |
ae11a9be KM |
984 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
985 | if (ret) | |
986 | return ret; | |
bff58ea4 | 987 | |
ae11a9be | 988 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
989 | if (ret) |
990 | return ret; | |
bff58ea4 | 991 | |
1536a968 KM |
992 | return snd_pcm_lib_preallocate_pages_for_all( |
993 | rtd->pcm, | |
994 | SNDRV_DMA_TYPE_DEV, | |
995 | rtd->card->snd_card->dev, | |
996 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
997 | } | |
998 | ||
1536a968 KM |
999 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1000 | .ops = &rsnd_pcm_ops, | |
1001 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1002 | }; |
1003 | ||
1004 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1005 | .name = "rsnd", | |
1006 | }; | |
1007 | ||
d3a76823 | 1008 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1009 | struct rsnd_dai_stream *io) |
d3a76823 | 1010 | { |
d3a76823 KM |
1011 | int ret; |
1012 | ||
690602fc | 1013 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1014 | if (ret == -EAGAIN) { |
1015 | /* | |
1016 | * Fallback to PIO mode | |
1017 | */ | |
1018 | ||
1019 | /* | |
1020 | * call "remove" for SSI/SRC/DVC | |
1021 | * SSI will be switch to PIO mode if it was DMA mode | |
1022 | * see | |
1023 | * rsnd_dma_init() | |
97463e19 | 1024 | * rsnd_ssi_fallback() |
d3a76823 | 1025 | */ |
690602fc | 1026 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1027 | |
1028 | /* | |
1029 | * remove SRC/DVC from DAI, | |
1030 | */ | |
1031 | rsnd_path_break(priv, io, src); | |
1032 | rsnd_path_break(priv, io, dvc); | |
1033 | ||
97463e19 KM |
1034 | /* |
1035 | * fallback | |
1036 | */ | |
690602fc | 1037 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1038 | |
d3a76823 KM |
1039 | /* |
1040 | * retry to "probe". | |
1041 | * DAI has SSI which is PIO mode only now. | |
1042 | */ | |
690602fc | 1043 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1044 | } |
1045 | ||
1046 | return ret; | |
1047 | } | |
1048 | ||
1536a968 KM |
1049 | /* |
1050 | * rsnd probe | |
1051 | */ | |
1052 | static int rsnd_probe(struct platform_device *pdev) | |
1053 | { | |
1054 | struct rcar_snd_info *info; | |
1055 | struct rsnd_priv *priv; | |
1056 | struct device *dev = &pdev->dev; | |
7681f6ac | 1057 | struct rsnd_dai *rdai; |
90e8e50f KM |
1058 | const struct of_device_id *of_id = of_match_device(rsnd_of_match, dev); |
1059 | const struct rsnd_of_data *of_data; | |
d1ac970f | 1060 | int (*probe_func[])(struct platform_device *pdev, |
90e8e50f | 1061 | const struct rsnd_of_data *of_data, |
d1ac970f KM |
1062 | struct rsnd_priv *priv) = { |
1063 | rsnd_gen_probe, | |
288f392e | 1064 | rsnd_dma_probe, |
d1ac970f | 1065 | rsnd_ssi_probe, |
ba9c949f | 1066 | rsnd_src_probe, |
bff58ea4 | 1067 | rsnd_dvc_probe, |
d1ac970f KM |
1068 | rsnd_adg_probe, |
1069 | rsnd_dai_probe, | |
1070 | }; | |
1071 | int ret, i; | |
1536a968 | 1072 | |
90e8e50f KM |
1073 | info = NULL; |
1074 | of_data = NULL; | |
1075 | if (of_id) { | |
1076 | info = devm_kzalloc(&pdev->dev, | |
1077 | sizeof(struct rcar_snd_info), GFP_KERNEL); | |
1078 | of_data = of_id->data; | |
1079 | } else { | |
1080 | info = pdev->dev.platform_data; | |
1081 | } | |
1082 | ||
1536a968 KM |
1083 | if (!info) { |
1084 | dev_err(dev, "driver needs R-Car sound information\n"); | |
1085 | return -ENODEV; | |
1086 | } | |
1087 | ||
1088 | /* | |
1089 | * init priv data | |
1090 | */ | |
1091 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1092 | if (!priv) { | |
1093 | dev_err(dev, "priv allocate failed\n"); | |
1094 | return -ENODEV; | |
1095 | } | |
1096 | ||
9f464f8e | 1097 | priv->pdev = pdev; |
1536a968 KM |
1098 | priv->info = info; |
1099 | spin_lock_init(&priv->lock); | |
1100 | ||
1101 | /* | |
1102 | * init each module | |
1103 | */ | |
d1ac970f | 1104 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
90e8e50f | 1105 | ret = probe_func[i](pdev, of_data, priv); |
d1ac970f KM |
1106 | if (ret) |
1107 | return ret; | |
1108 | } | |
07539c1d | 1109 | |
7681f6ac | 1110 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1111 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1112 | if (ret) |
d62a3dcd | 1113 | goto exit_snd_probe; |
dfc9403b | 1114 | |
f708d944 | 1115 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1116 | if (ret) |
d62a3dcd | 1117 | goto exit_snd_probe; |
7681f6ac | 1118 | } |
4b4dab82 | 1119 | |
0b1f6ec7 KM |
1120 | dev_set_drvdata(dev, priv); |
1121 | ||
1536a968 KM |
1122 | /* |
1123 | * asoc register | |
1124 | */ | |
1125 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1126 | if (ret < 0) { | |
1127 | dev_err(dev, "cannot snd soc register\n"); | |
1128 | return ret; | |
1129 | } | |
1130 | ||
1131 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1132 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1133 | if (ret < 0) { |
1134 | dev_err(dev, "cannot snd dai register\n"); | |
1135 | goto exit_snd_soc; | |
1136 | } | |
1137 | ||
1536a968 KM |
1138 | pm_runtime_enable(dev); |
1139 | ||
1140 | dev_info(dev, "probed\n"); | |
1141 | return ret; | |
1142 | ||
1143 | exit_snd_soc: | |
1144 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1145 | exit_snd_probe: |
1146 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1147 | rsnd_dai_call(remove, &rdai->playback, priv); |
1148 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1149 | } |
1536a968 KM |
1150 | |
1151 | return ret; | |
1152 | } | |
1153 | ||
1154 | static int rsnd_remove(struct platform_device *pdev) | |
1155 | { | |
1156 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1157 | struct rsnd_dai *rdai; |
2f78dd7f KM |
1158 | void (*remove_func[])(struct platform_device *pdev, |
1159 | struct rsnd_priv *priv) = { | |
1160 | rsnd_ssi_remove, | |
1161 | rsnd_src_remove, | |
1162 | rsnd_dvc_remove, | |
1163 | }; | |
d62a3dcd | 1164 | int ret = 0, i; |
1536a968 KM |
1165 | |
1166 | pm_runtime_disable(&pdev->dev); | |
1167 | ||
7681f6ac | 1168 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1169 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1170 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1171 | } |
1536a968 | 1172 | |
2f78dd7f KM |
1173 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
1174 | remove_func[i](pdev, priv); | |
1175 | ||
d7c42ff8 KM |
1176 | snd_soc_unregister_component(&pdev->dev); |
1177 | snd_soc_unregister_platform(&pdev->dev); | |
1178 | ||
d62a3dcd | 1179 | return ret; |
1536a968 KM |
1180 | } |
1181 | ||
1182 | static struct platform_driver rsnd_driver = { | |
1183 | .driver = { | |
1184 | .name = "rcar_sound", | |
90e8e50f | 1185 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1186 | }, |
1187 | .probe = rsnd_probe, | |
1188 | .remove = rsnd_remove, | |
1189 | }; | |
1190 | module_platform_driver(rsnd_driver); | |
1191 | ||
1192 | MODULE_LICENSE("GPL"); | |
1193 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1194 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1195 | MODULE_ALIAS("platform:rcar-pcm-audio"); |