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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 | ||
dc272156 | 99 | #define RSND_RATES SNDRV_PCM_RATE_8000_192000 |
1536a968 KM |
100 | #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) |
101 | ||
33187fb4 | 102 | static const struct of_device_id rsnd_of_match[] = { |
e797f58e KM |
103 | { .compatible = "renesas,rcar_sound-gen1", .data = (void *)RSND_GEN1 }, |
104 | { .compatible = "renesas,rcar_sound-gen2", .data = (void *)RSND_GEN2 }, | |
105 | { .compatible = "renesas,rcar_sound-gen3", .data = (void *)RSND_GEN2 }, /* gen2 compatible */ | |
90e8e50f KM |
106 | {}, |
107 | }; | |
108 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
109 | ||
81ad174d KM |
110 | /* |
111 | * rsnd_mod functions | |
112 | */ | |
f1df1229 KM |
113 | void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) |
114 | { | |
115 | if (mod->type != type) { | |
116 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
117 | struct device *dev = rsnd_priv_to_dev(priv); | |
118 | ||
119 | dev_warn(dev, "%s[%d] is not your expected module\n", | |
120 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
121 | } | |
122 | } | |
123 | ||
cdaa3cdf KM |
124 | char *rsnd_mod_name(struct rsnd_mod *mod) |
125 | { | |
126 | if (!mod || !mod->ops) | |
127 | return "unknown"; | |
128 | ||
129 | return mod->ops->name; | |
130 | } | |
131 | ||
9b99e9a7 KM |
132 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
133 | struct rsnd_mod *mod) | |
d9288d0b | 134 | { |
72adc61f KM |
135 | if (!mod || !mod->ops || !mod->ops->dma_req) |
136 | return NULL; | |
d9288d0b | 137 | |
9b99e9a7 | 138 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
139 | } |
140 | ||
5ba17b42 KM |
141 | u32 *rsnd_mod_get_status(struct rsnd_dai_stream *io, |
142 | struct rsnd_mod *mod, | |
143 | enum rsnd_mod_type type) | |
144 | { | |
145 | return &mod->status; | |
146 | } | |
147 | ||
2099bc8e KM |
148 | int rsnd_mod_init(struct rsnd_priv *priv, |
149 | struct rsnd_mod *mod, | |
5ba17b42 KM |
150 | struct rsnd_mod_ops *ops, |
151 | struct clk *clk, | |
152 | u32* (*get_status)(struct rsnd_dai_stream *io, | |
153 | struct rsnd_mod *mod, | |
154 | enum rsnd_mod_type type), | |
155 | enum rsnd_mod_type type, | |
156 | int id) | |
cdaa3cdf | 157 | { |
2f78dd7f KM |
158 | int ret = clk_prepare(clk); |
159 | ||
160 | if (ret) | |
161 | return ret; | |
162 | ||
cdaa3cdf KM |
163 | mod->id = id; |
164 | mod->ops = ops; | |
a126021d | 165 | mod->type = type; |
85642952 | 166 | mod->clk = clk; |
2099bc8e | 167 | mod->priv = priv; |
5ba17b42 | 168 | mod->get_status = get_status; |
2f78dd7f KM |
169 | |
170 | return ret; | |
171 | } | |
172 | ||
173 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
174 | { | |
175 | if (mod->clk) | |
176 | clk_unprepare(mod->clk); | |
ea96380b | 177 | mod->clk = NULL; |
cdaa3cdf KM |
178 | } |
179 | ||
f501b7a4 KM |
180 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
181 | void (*callback)(struct rsnd_mod *mod, | |
182 | struct rsnd_dai_stream *io)) | |
183 | { | |
184 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
185 | struct rsnd_dai_stream *io; | |
186 | struct rsnd_dai *rdai; | |
2daf71ad | 187 | int i; |
f501b7a4 | 188 | |
2daf71ad KM |
189 | for_each_rsnd_dai(rdai, priv, i) { |
190 | io = &rdai->playback; | |
191 | if (mod == io->mod[mod->type]) | |
192 | callback(mod, io); | |
f501b7a4 | 193 | |
2daf71ad KM |
194 | io = &rdai->capture; |
195 | if (mod == io->mod[mod->type]) | |
196 | callback(mod, io); | |
f501b7a4 KM |
197 | } |
198 | } | |
199 | ||
d5bbe7de | 200 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 201 | { |
02299d98 KM |
202 | /* see rsnd_dai_stream_init/quit() */ |
203 | return !!io->substream; | |
204 | } | |
205 | ||
750fd445 KM |
206 | void rsnd_set_slot(struct rsnd_dai *rdai, |
207 | int slots, int num) | |
208 | { | |
209 | rdai->slots = slots; | |
210 | rdai->slots_num = num; | |
211 | } | |
212 | ||
c140284b | 213 | int rsnd_get_slot(struct rsnd_dai_stream *io) |
8ec85e7f | 214 | { |
c140284b KM |
215 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
216 | ||
8ec85e7f KM |
217 | return rdai->slots; |
218 | } | |
219 | ||
750fd445 KM |
220 | int rsnd_get_slot_num(struct rsnd_dai_stream *io) |
221 | { | |
222 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); | |
223 | ||
224 | return rdai->slots_num; | |
225 | } | |
226 | ||
eed76bb8 | 227 | int rsnd_runtime_channel_original(struct rsnd_dai_stream *io) |
8ec85e7f | 228 | { |
5858a7d1 | 229 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
b4c83b17 | 230 | |
eed76bb8 KM |
231 | return runtime->channels; |
232 | } | |
233 | ||
234 | int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io) | |
235 | { | |
236 | int chan = rsnd_runtime_channel_original(io); | |
237 | struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io); | |
238 | ||
239 | if (ctu_mod) { | |
240 | u32 converted_chan = rsnd_ctu_converted_channel(ctu_mod); | |
241 | ||
242 | if (converted_chan) | |
243 | return converted_chan; | |
244 | } | |
245 | ||
246 | return chan; | |
247 | } | |
248 | ||
249 | int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io) | |
250 | { | |
251 | int chan = rsnd_io_is_play(io) ? | |
252 | rsnd_runtime_channel_after_ctu(io) : | |
253 | rsnd_runtime_channel_original(io); | |
254 | ||
255 | /* Use Multi SSI */ | |
256 | if (rsnd_runtime_is_ssi_multi(io)) | |
b4c83b17 | 257 | chan /= rsnd_get_slot_num(io); |
8ec85e7f KM |
258 | |
259 | /* TDM Extend Mode needs 8ch */ | |
260 | if (chan == 6) | |
261 | chan = 8; | |
262 | ||
263 | return chan; | |
264 | } | |
265 | ||
eed76bb8 KM |
266 | int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io) |
267 | { | |
268 | int slots = rsnd_get_slot_num(io); | |
269 | int chan = rsnd_io_is_play(io) ? | |
270 | rsnd_runtime_channel_after_ctu(io) : | |
271 | rsnd_runtime_channel_original(io); | |
272 | ||
273 | return (chan >= 6) && (slots > 1); | |
274 | } | |
275 | ||
276 | int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io) | |
277 | { | |
278 | return rsnd_runtime_channel_for_ssi(io) >= 6; | |
279 | } | |
280 | ||
d7bdbc5d | 281 | /* |
3023b384 | 282 | * ADINR function |
d7bdbc5d | 283 | */ |
3023b384 | 284 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
285 | { |
286 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
287 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
288 | struct device *dev = rsnd_priv_to_dev(priv); | |
d7bdbc5d KM |
289 | |
290 | switch (runtime->sample_bits) { | |
291 | case 16: | |
5e7b9edd | 292 | return 8 << 16; |
d7bdbc5d | 293 | case 32: |
5e7b9edd | 294 | return 0 << 16; |
d7bdbc5d KM |
295 | } |
296 | ||
5e7b9edd KM |
297 | dev_warn(dev, "not supported sample bits\n"); |
298 | ||
299 | return 0; | |
d7bdbc5d KM |
300 | } |
301 | ||
4689032b KM |
302 | /* |
303 | * DALIGN function | |
304 | */ | |
305 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
306 | { | |
3ce2959d | 307 | struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io); |
a504b1ee | 308 | struct rsnd_mod *target; |
4689032b KM |
309 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
310 | u32 val = 0x76543210; | |
311 | u32 mask = ~0; | |
312 | ||
a504b1ee KM |
313 | if (rsnd_io_is_play(io)) { |
314 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
315 | ||
3ce2959d | 316 | target = src ? src : ssiu; |
a504b1ee KM |
317 | } else { |
318 | struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io); | |
319 | ||
3ce2959d | 320 | target = cmd ? cmd : ssiu; |
a504b1ee KM |
321 | } |
322 | ||
4689032b KM |
323 | mask <<= runtime->channels * 4; |
324 | val = val & mask; | |
325 | ||
326 | switch (runtime->sample_bits) { | |
327 | case 16: | |
328 | val |= 0x67452301 & ~mask; | |
329 | break; | |
330 | case 32: | |
331 | val |= 0x76543210 & ~mask; | |
332 | break; | |
333 | } | |
334 | ||
335 | /* | |
336 | * exchange channeles on SRC if possible, | |
337 | * otherwise, R/L volume settings on DVC | |
338 | * changes inverted channels | |
339 | */ | |
340 | if (mod == target) | |
341 | return val; | |
342 | else | |
343 | return 0x76543210; | |
344 | } | |
345 | ||
1536a968 KM |
346 | /* |
347 | * rsnd_dai functions | |
348 | */ | |
b3ca3fbe KM |
349 | struct rsnd_mod *rsnd_mod_next(int *iterator, |
350 | struct rsnd_dai_stream *io, | |
351 | enum rsnd_mod_type *array, | |
352 | int array_size) | |
353 | { | |
354 | struct rsnd_mod *mod; | |
355 | enum rsnd_mod_type type; | |
356 | int max = array ? array_size : RSND_MOD_MAX; | |
357 | ||
358 | for (; *iterator < max; (*iterator)++) { | |
359 | type = (array) ? array[*iterator] : *iterator; | |
360 | mod = io->mod[type]; | |
361 | if (!mod) | |
362 | continue; | |
363 | ||
b3ca3fbe KM |
364 | return mod; |
365 | } | |
366 | ||
367 | return NULL; | |
368 | } | |
369 | ||
38587f4c KM |
370 | static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = { |
371 | { | |
372 | /* CAPTURE */ | |
373 | RSND_MOD_AUDMAPP, | |
374 | RSND_MOD_AUDMA, | |
375 | RSND_MOD_DVC, | |
376 | RSND_MOD_MIX, | |
377 | RSND_MOD_CTU, | |
378 | RSND_MOD_CMD, | |
379 | RSND_MOD_SRC, | |
380 | RSND_MOD_SSIU, | |
381 | RSND_MOD_SSIM3, | |
382 | RSND_MOD_SSIM2, | |
383 | RSND_MOD_SSIM1, | |
384 | RSND_MOD_SSIP, | |
385 | RSND_MOD_SSI, | |
386 | }, { | |
387 | /* PLAYBACK */ | |
388 | RSND_MOD_AUDMAPP, | |
389 | RSND_MOD_AUDMA, | |
390 | RSND_MOD_SSIM3, | |
391 | RSND_MOD_SSIM2, | |
392 | RSND_MOD_SSIM1, | |
393 | RSND_MOD_SSIP, | |
394 | RSND_MOD_SSI, | |
395 | RSND_MOD_SSIU, | |
396 | RSND_MOD_DVC, | |
397 | RSND_MOD_MIX, | |
398 | RSND_MOD_CTU, | |
399 | RSND_MOD_CMD, | |
400 | RSND_MOD_SRC, | |
401 | }, | |
402 | }; | |
403 | ||
5f222a29 KM |
404 | static int rsnd_status_update(u32 *status, |
405 | int shift, int add, int timing) | |
406 | { | |
407 | u32 mask = 0xF << shift; | |
408 | u8 val = (*status >> shift) & 0xF; | |
409 | u8 next_val = (val + add) & 0xF; | |
410 | int func_call = (val == timing); | |
411 | ||
412 | if (next_val == 0xF) /* underflow case */ | |
413 | func_call = 0; | |
414 | else | |
415 | *status = (*status & ~mask) + (next_val << shift); | |
416 | ||
417 | return func_call; | |
418 | } | |
419 | ||
420 | #define rsnd_dai_call(fn, io, param...) \ | |
421 | ({ \ | |
422 | struct rsnd_priv *priv = rsnd_io_to_priv(io); \ | |
423 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
424 | struct rsnd_mod *mod; \ | |
425 | int is_play = rsnd_io_is_play(io); \ | |
426 | int ret = 0, i; \ | |
427 | enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \ | |
428 | for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \ | |
429 | int tmp = 0; \ | |
430 | u32 *status = mod->get_status(io, mod, types[i]); \ | |
431 | int func_call = rsnd_status_update(status, \ | |
432 | __rsnd_mod_shift_##fn, \ | |
433 | __rsnd_mod_add_##fn, \ | |
434 | __rsnd_mod_call_##fn); \ | |
435 | dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ | |
436 | rsnd_mod_name(mod), rsnd_mod_id(mod), *status, \ | |
437 | (func_call && (mod)->ops->fn) ? #fn : ""); \ | |
438 | if (func_call && (mod)->ops->fn) \ | |
439 | tmp = (mod)->ops->fn(mod, io, param); \ | |
440 | if (tmp) \ | |
441 | dev_err(dev, "%s[%d] : %s error %d\n", \ | |
442 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
443 | #fn, tmp); \ | |
444 | ret |= tmp; \ | |
445 | } \ | |
446 | ret; \ | |
cdaa3cdf KM |
447 | }) |
448 | ||
27924f32 KM |
449 | int rsnd_dai_connect(struct rsnd_mod *mod, |
450 | struct rsnd_dai_stream *io, | |
451 | enum rsnd_mod_type type) | |
cdaa3cdf | 452 | { |
48725e9c KM |
453 | struct rsnd_priv *priv; |
454 | struct device *dev; | |
84e95355 | 455 | |
6020779b | 456 | if (!mod) |
cdaa3cdf | 457 | return -EIO; |
cdaa3cdf | 458 | |
bfa3119c KM |
459 | if (io->mod[type] == mod) |
460 | return 0; | |
461 | ||
52dc6852 KM |
462 | if (io->mod[type]) |
463 | return -EINVAL; | |
464 | ||
48725e9c KM |
465 | priv = rsnd_mod_to_priv(mod); |
466 | dev = rsnd_priv_to_dev(priv); | |
467 | ||
27924f32 | 468 | io->mod[type] = mod; |
cdaa3cdf | 469 | |
84e95355 KM |
470 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
471 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
472 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
473 | ||
cdaa3cdf KM |
474 | return 0; |
475 | } | |
476 | ||
d3a76823 | 477 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
478 | struct rsnd_dai_stream *io, |
479 | enum rsnd_mod_type type) | |
d3a76823 | 480 | { |
27924f32 | 481 | io->mod[type] = NULL; |
d3a76823 KM |
482 | } |
483 | ||
710d0889 | 484 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 485 | { |
ecba9e72 | 486 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
487 | return NULL; |
488 | ||
1536a968 KM |
489 | return priv->rdai + id; |
490 | } | |
491 | ||
eb2535f5 | 492 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
493 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
494 | { | |
eb2535f5 | 495 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 496 | |
710d0889 | 497 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
498 | } |
499 | ||
1536a968 KM |
500 | /* |
501 | * rsnd_soc_dai functions | |
502 | */ | |
503 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
504 | { | |
505 | struct snd_pcm_substream *substream = io->substream; | |
506 | struct snd_pcm_runtime *runtime = substream->runtime; | |
507 | int pos = io->byte_pos + additional; | |
508 | ||
509 | pos %= (runtime->periods * io->byte_per_period); | |
510 | ||
511 | return pos; | |
512 | } | |
513 | ||
75defee0 | 514 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
515 | { |
516 | io->byte_pos += byte; | |
517 | ||
518 | if (io->byte_pos >= io->next_period_byte) { | |
519 | struct snd_pcm_substream *substream = io->substream; | |
520 | struct snd_pcm_runtime *runtime = substream->runtime; | |
521 | ||
522 | io->period_pos++; | |
523 | io->next_period_byte += io->byte_per_period; | |
524 | ||
525 | if (io->period_pos >= runtime->periods) { | |
526 | io->byte_pos = 0; | |
527 | io->period_pos = 0; | |
528 | io->next_period_byte = io->byte_per_period; | |
529 | } | |
530 | ||
75defee0 | 531 | return true; |
1536a968 | 532 | } |
75defee0 KM |
533 | |
534 | return false; | |
535 | } | |
536 | ||
537 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
538 | { | |
539 | struct snd_pcm_substream *substream = io->substream; | |
540 | ||
541 | /* | |
542 | * this function should be called... | |
543 | * | |
544 | * - if rsnd_dai_pointer_update() returns true | |
545 | * - without spin lock | |
546 | */ | |
547 | ||
548 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
549 | } |
550 | ||
5626ad08 | 551 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
552 | struct snd_pcm_substream *substream) |
553 | { | |
554 | struct snd_pcm_runtime *runtime = substream->runtime; | |
555 | ||
1536a968 KM |
556 | io->substream = substream; |
557 | io->byte_pos = 0; | |
558 | io->period_pos = 0; | |
559 | io->byte_per_period = runtime->period_size * | |
560 | runtime->channels * | |
561 | samples_to_bytes(runtime, 1); | |
562 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 563 | } |
1536a968 | 564 | |
5626ad08 KM |
565 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
566 | { | |
567 | io->substream = NULL; | |
1536a968 KM |
568 | } |
569 | ||
570 | static | |
571 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
572 | { | |
573 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
574 | ||
575 | return rtd->cpu_dai; | |
576 | } | |
577 | ||
578 | static | |
579 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
580 | struct snd_pcm_substream *substream) | |
581 | { | |
582 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
583 | return &rdai->playback; | |
584 | else | |
585 | return &rdai->capture; | |
586 | } | |
587 | ||
588 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
589 | struct snd_soc_dai *dai) | |
590 | { | |
eb2535f5 | 591 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
592 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
593 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1536a968 KM |
594 | int ret; |
595 | unsigned long flags; | |
596 | ||
02299d98 | 597 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
598 | |
599 | switch (cmd) { | |
600 | case SNDRV_PCM_TRIGGER_START: | |
4b9c75ea | 601 | case SNDRV_PCM_TRIGGER_RESUME: |
5626ad08 | 602 | rsnd_dai_stream_init(io, substream); |
1536a968 | 603 | |
690602fc | 604 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
605 | if (ret < 0) |
606 | goto dai_trigger_end; | |
607 | ||
690602fc | 608 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
609 | if (ret < 0) |
610 | goto dai_trigger_end; | |
b5b442ab KM |
611 | |
612 | ret = rsnd_dai_call(irq, io, priv, 1); | |
613 | if (ret < 0) | |
614 | goto dai_trigger_end; | |
615 | ||
1536a968 KM |
616 | break; |
617 | case SNDRV_PCM_TRIGGER_STOP: | |
4b9c75ea | 618 | case SNDRV_PCM_TRIGGER_SUSPEND: |
b5b442ab KM |
619 | ret = rsnd_dai_call(irq, io, priv, 0); |
620 | ||
621 | ret |= rsnd_dai_call(stop, io, priv); | |
cdaa3cdf | 622 | |
89e3e2c3 | 623 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 624 | |
5626ad08 | 625 | rsnd_dai_stream_quit(io); |
1536a968 KM |
626 | break; |
627 | default: | |
628 | ret = -EINVAL; | |
629 | } | |
630 | ||
631 | dai_trigger_end: | |
02299d98 | 632 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
633 | |
634 | return ret; | |
635 | } | |
636 | ||
637 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
638 | { | |
639 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
640 | ||
641 | /* set master/slave audio interface */ | |
642 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
643 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 644 | rdai->clk_master = 0; |
1536a968 KM |
645 | break; |
646 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 647 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
648 | break; |
649 | default: | |
650 | return -EINVAL; | |
651 | } | |
652 | ||
1536a968 KM |
653 | /* set format */ |
654 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
655 | case SND_SOC_DAIFMT_I2S: | |
656 | rdai->sys_delay = 0; | |
657 | rdai->data_alignment = 0; | |
1a7889ca | 658 | rdai->frm_clk_inv = 0; |
1536a968 KM |
659 | break; |
660 | case SND_SOC_DAIFMT_LEFT_J: | |
661 | rdai->sys_delay = 1; | |
662 | rdai->data_alignment = 0; | |
1a7889ca | 663 | rdai->frm_clk_inv = 1; |
1536a968 KM |
664 | break; |
665 | case SND_SOC_DAIFMT_RIGHT_J: | |
666 | rdai->sys_delay = 1; | |
667 | rdai->data_alignment = 1; | |
1a7889ca KM |
668 | rdai->frm_clk_inv = 1; |
669 | break; | |
670 | } | |
671 | ||
672 | /* set clock inversion */ | |
673 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
674 | case SND_SOC_DAIFMT_NB_IF: | |
1a7889ca KM |
675 | rdai->frm_clk_inv = !rdai->frm_clk_inv; |
676 | break; | |
677 | case SND_SOC_DAIFMT_IB_NF: | |
678 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
1a7889ca KM |
679 | break; |
680 | case SND_SOC_DAIFMT_IB_IF: | |
681 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
682 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
683 | break; | |
684 | case SND_SOC_DAIFMT_NB_NF: | |
685 | default: | |
1536a968 KM |
686 | break; |
687 | } | |
688 | ||
689 | return 0; | |
690 | } | |
691 | ||
186fadc1 KM |
692 | static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, |
693 | u32 tx_mask, u32 rx_mask, | |
694 | int slots, int slot_width) | |
695 | { | |
696 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
697 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
698 | struct device *dev = rsnd_priv_to_dev(priv); | |
699 | ||
700 | switch (slots) { | |
701 | case 6: | |
702 | /* TDM Extend Mode */ | |
750fd445 | 703 | rsnd_set_slot(rdai, slots, 1); |
186fadc1 KM |
704 | break; |
705 | default: | |
706 | dev_err(dev, "unsupported TDM slots (%d)\n", slots); | |
707 | return -EINVAL; | |
708 | } | |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
10a9cca1 KM |
713 | static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream, |
714 | struct snd_soc_dai *dai) | |
715 | { | |
716 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
717 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
718 | ||
719 | /* | |
720 | * call rsnd_dai_call without spinlock | |
721 | */ | |
722 | return rsnd_dai_call(nolock_start, io, priv); | |
723 | } | |
724 | ||
725 | static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream, | |
726 | struct snd_soc_dai *dai) | |
727 | { | |
728 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
729 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
730 | ||
731 | /* | |
732 | * call rsnd_dai_call without spinlock | |
733 | */ | |
734 | rsnd_dai_call(nolock_stop, io, priv); | |
735 | } | |
736 | ||
1536a968 | 737 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
10a9cca1 KM |
738 | .startup = rsnd_soc_dai_startup, |
739 | .shutdown = rsnd_soc_dai_shutdown, | |
1536a968 KM |
740 | .trigger = rsnd_soc_dai_trigger, |
741 | .set_fmt = rsnd_soc_dai_set_fmt, | |
186fadc1 | 742 | .set_tdm_slot = rsnd_soc_set_dai_tdm_slot, |
1536a968 KM |
743 | }; |
744 | ||
89b66174 KM |
745 | void rsnd_parse_connect_common(struct rsnd_dai *rdai, |
746 | struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), | |
747 | struct device_node *node, | |
748 | struct device_node *playback, | |
749 | struct device_node *capture) | |
750 | { | |
751 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
752 | struct device_node *np; | |
753 | struct rsnd_mod *mod; | |
754 | int i; | |
755 | ||
756 | if (!node) | |
757 | return; | |
758 | ||
759 | i = 0; | |
760 | for_each_child_of_node(node, np) { | |
761 | mod = mod_get(priv, i); | |
762 | if (np == playback) | |
763 | rsnd_dai_connect(mod, &rdai->playback, mod->type); | |
764 | if (np == capture) | |
765 | rsnd_dai_connect(mod, &rdai->capture, mod->type); | |
766 | i++; | |
767 | } | |
768 | ||
769 | of_node_put(node); | |
770 | } | |
771 | ||
2ea6b074 | 772 | static int rsnd_dai_probe(struct rsnd_priv *priv) |
90e8e50f | 773 | { |
94e2710c | 774 | struct device_node *dai_node; |
89b66174 | 775 | struct device_node *dai_np; |
90e8e50f | 776 | struct device_node *playback, *capture; |
94e2710c KM |
777 | struct rsnd_dai_stream *io_playback; |
778 | struct rsnd_dai_stream *io_capture; | |
2ff2ecca | 779 | struct snd_soc_dai_driver *rdrv, *drv; |
94e2710c | 780 | struct rsnd_dai *rdai; |
2ea6b074 | 781 | struct device *dev = rsnd_priv_to_dev(priv); |
89b66174 | 782 | int nr, dai_i, io_i; |
94e2710c | 783 | int ret; |
90e8e50f | 784 | |
94e2710c | 785 | dai_node = rsnd_dai_of_node(priv); |
90e8e50f | 786 | nr = of_get_child_count(dai_node); |
94e2710c KM |
787 | if (!nr) { |
788 | ret = -EINVAL; | |
789 | goto rsnd_dai_probe_done; | |
90e8e50f KM |
790 | } |
791 | ||
2ff2ecca | 792 | rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL); |
94e2710c | 793 | rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL); |
2ff2ecca | 794 | if (!rdrv || !rdai) { |
94e2710c KM |
795 | ret = -ENOMEM; |
796 | goto rsnd_dai_probe_done; | |
797 | } | |
90e8e50f | 798 | |
94e2710c | 799 | priv->rdai_nr = nr; |
2ff2ecca | 800 | priv->daidrv = rdrv; |
94e2710c | 801 | priv->rdai = rdai; |
90e8e50f KM |
802 | |
803 | /* | |
804 | * parse all dai | |
805 | */ | |
806 | dai_i = 0; | |
807 | for_each_child_of_node(dai_node, dai_np) { | |
94e2710c | 808 | rdai = rsnd_rdai_get(priv, dai_i); |
2ff2ecca | 809 | drv = rdrv + dai_i; |
94e2710c KM |
810 | io_playback = &rdai->playback; |
811 | io_capture = &rdai->capture; | |
812 | ||
813 | snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i); | |
814 | ||
815 | rdai->priv = priv; | |
816 | drv->name = rdai->name; | |
817 | drv->ops = &rsnd_soc_dai_ops; | |
818 | ||
819 | snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE, | |
820 | "DAI%d Playback", dai_i); | |
821 | drv->playback.rates = RSND_RATES; | |
822 | drv->playback.formats = RSND_FMTS; | |
823 | drv->playback.channels_min = 2; | |
186fadc1 | 824 | drv->playback.channels_max = 6; |
94e2710c KM |
825 | drv->playback.stream_name = rdai->playback.name; |
826 | ||
827 | snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, | |
828 | "DAI%d Capture", dai_i); | |
829 | drv->capture.rates = RSND_RATES; | |
830 | drv->capture.formats = RSND_FMTS; | |
831 | drv->capture.channels_min = 2; | |
186fadc1 | 832 | drv->capture.channels_max = 6; |
94e2710c KM |
833 | drv->capture.stream_name = rdai->capture.name; |
834 | ||
835 | rdai->playback.rdai = rdai; | |
836 | rdai->capture.rdai = rdai; | |
750fd445 | 837 | rsnd_set_slot(rdai, 2, 1); /* default */ |
90e8e50f | 838 | |
94e2710c KM |
839 | for (io_i = 0;; io_i++) { |
840 | playback = of_parse_phandle(dai_np, "playback", io_i); | |
841 | capture = of_parse_phandle(dai_np, "capture", io_i); | |
90e8e50f KM |
842 | |
843 | if (!playback && !capture) | |
844 | break; | |
845 | ||
89b66174 KM |
846 | rsnd_parse_connect_ssi(rdai, playback, capture); |
847 | rsnd_parse_connect_src(rdai, playback, capture); | |
848 | rsnd_parse_connect_ctu(rdai, playback, capture); | |
849 | rsnd_parse_connect_mix(rdai, playback, capture); | |
850 | rsnd_parse_connect_dvc(rdai, playback, capture); | |
90e8e50f | 851 | |
a493b6a6 JL |
852 | of_node_put(playback); |
853 | of_node_put(capture); | |
90e8e50f KM |
854 | } |
855 | ||
856 | dai_i++; | |
1536a968 | 857 | |
94e2710c KM |
858 | dev_dbg(dev, "%s (%s/%s)\n", rdai->name, |
859 | rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ", | |
860 | rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- "); | |
1536a968 KM |
861 | } |
862 | ||
94e2710c | 863 | ret = 0; |
49848073 | 864 | |
94e2710c KM |
865 | rsnd_dai_probe_done: |
866 | of_node_put(dai_node); | |
1536a968 | 867 | |
94e2710c | 868 | return ret; |
1536a968 KM |
869 | } |
870 | ||
1536a968 KM |
871 | /* |
872 | * pcm ops | |
873 | */ | |
874 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
875 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
876 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 877 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
878 | .buffer_bytes_max = 64 * 1024, |
879 | .period_bytes_min = 32, | |
880 | .period_bytes_max = 8192, | |
881 | .periods_min = 1, | |
882 | .periods_max = 32, | |
883 | .fifo_size = 256, | |
884 | }; | |
885 | ||
886 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
887 | { | |
888 | struct snd_pcm_runtime *runtime = substream->runtime; | |
889 | int ret = 0; | |
890 | ||
891 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
892 | ||
893 | ret = snd_pcm_hw_constraint_integer(runtime, | |
894 | SNDRV_PCM_HW_PARAM_PERIODS); | |
895 | ||
896 | return ret; | |
897 | } | |
898 | ||
899 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
900 | struct snd_pcm_hw_params *hw_params) | |
901 | { | |
3b7843ff KM |
902 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
903 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
904 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
905 | int ret; | |
906 | ||
907 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
908 | if (ret) | |
909 | return ret; | |
910 | ||
1536a968 KM |
911 | return snd_pcm_lib_malloc_pages(substream, |
912 | params_buffer_bytes(hw_params)); | |
913 | } | |
914 | ||
915 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
916 | { | |
917 | struct snd_pcm_runtime *runtime = substream->runtime; | |
918 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
919 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
920 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
921 | ||
922 | return bytes_to_frames(runtime, io->byte_pos); | |
923 | } | |
924 | ||
925 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
926 | .open = rsnd_pcm_open, | |
927 | .ioctl = snd_pcm_lib_ioctl, | |
928 | .hw_params = rsnd_hw_params, | |
929 | .hw_free = snd_pcm_lib_free_pages, | |
930 | .pointer = rsnd_pointer, | |
931 | }; | |
932 | ||
170a2497 KM |
933 | /* |
934 | * snd_kcontrol | |
935 | */ | |
936 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
937 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
938 | struct snd_ctl_elem_info *uinfo) | |
939 | { | |
940 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
941 | ||
942 | if (cfg->texts) { | |
943 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
944 | uinfo->count = cfg->size; | |
945 | uinfo->value.enumerated.items = cfg->max; | |
946 | if (uinfo->value.enumerated.item >= cfg->max) | |
947 | uinfo->value.enumerated.item = cfg->max - 1; | |
948 | strlcpy(uinfo->value.enumerated.name, | |
949 | cfg->texts[uinfo->value.enumerated.item], | |
950 | sizeof(uinfo->value.enumerated.name)); | |
951 | } else { | |
952 | uinfo->count = cfg->size; | |
953 | uinfo->value.integer.min = 0; | |
954 | uinfo->value.integer.max = cfg->max; | |
955 | uinfo->type = (cfg->max == 1) ? | |
956 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
957 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
958 | } | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
963 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
964 | struct snd_ctl_elem_value *uc) | |
965 | { | |
966 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
967 | int i; | |
968 | ||
969 | for (i = 0; i < cfg->size; i++) | |
970 | if (cfg->texts) | |
971 | uc->value.enumerated.item[i] = cfg->val[i]; | |
972 | else | |
973 | uc->value.integer.value[i] = cfg->val[i]; | |
974 | ||
975 | return 0; | |
976 | } | |
977 | ||
978 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
979 | struct snd_ctl_elem_value *uc) | |
980 | { | |
981 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
982 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
983 | int i, change = 0; | |
984 | ||
985 | for (i = 0; i < cfg->size; i++) { | |
986 | if (cfg->texts) { | |
987 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
988 | cfg->val[i] = uc->value.enumerated.item[i]; | |
989 | } else { | |
990 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
991 | cfg->val[i] = uc->value.integer.value[i]; | |
992 | } | |
993 | } | |
994 | ||
d7289565 | 995 | if (change && cfg->update) |
b65a7ccc | 996 | cfg->update(cfg->io, mod); |
170a2497 KM |
997 | |
998 | return change; | |
999 | } | |
1000 | ||
32973dcf KM |
1001 | struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg) |
1002 | { | |
1003 | cfg->cfg.val = cfg->val; | |
1004 | ||
1005 | return &cfg->cfg; | |
1006 | } | |
1007 | ||
1008 | struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg) | |
1009 | { | |
1010 | cfg->cfg.val = &cfg->val; | |
1011 | ||
1012 | return &cfg->cfg; | |
1013 | } | |
1014 | ||
1015 | int rsnd_kctrl_new(struct rsnd_mod *mod, | |
1016 | struct rsnd_dai_stream *io, | |
1017 | struct snd_soc_pcm_runtime *rtd, | |
1018 | const unsigned char *name, | |
1019 | void (*update)(struct rsnd_dai_stream *io, | |
1020 | struct rsnd_mod *mod), | |
1021 | struct rsnd_kctrl_cfg *cfg, | |
1022 | const char * const *texts, | |
1023 | int size, | |
1024 | u32 max) | |
170a2497 KM |
1025 | { |
1026 | struct snd_card *card = rtd->card->snd_card; | |
1027 | struct snd_kcontrol *kctrl; | |
1028 | struct snd_kcontrol_new knew = { | |
1029 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1030 | .name = name, | |
1031 | .info = rsnd_kctrl_info, | |
1a497983 | 1032 | .index = rtd->num, |
170a2497 KM |
1033 | .get = rsnd_kctrl_get, |
1034 | .put = rsnd_kctrl_put, | |
1035 | .private_value = (unsigned long)cfg, | |
1036 | }; | |
1037 | int ret; | |
1038 | ||
32973dcf KM |
1039 | if (size > RSND_MAX_CHANNELS) |
1040 | return -EINVAL; | |
1041 | ||
170a2497 KM |
1042 | kctrl = snd_ctl_new1(&knew, mod); |
1043 | if (!kctrl) | |
1044 | return -ENOMEM; | |
1045 | ||
1046 | ret = snd_ctl_add(card, kctrl); | |
0ea617a2 | 1047 | if (ret < 0) |
170a2497 KM |
1048 | return ret; |
1049 | ||
32973dcf KM |
1050 | cfg->texts = texts; |
1051 | cfg->max = max; | |
1052 | cfg->size = size; | |
1053 | cfg->update = update; | |
1054 | cfg->card = card; | |
1055 | cfg->kctrl = kctrl; | |
1056 | cfg->io = io; | |
170a2497 KM |
1057 | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1536a968 KM |
1061 | /* |
1062 | * snd_soc_platform | |
1063 | */ | |
1064 | ||
1065 | #define PREALLOC_BUFFER (32 * 1024) | |
1066 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1067 | ||
1068 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
1069 | { | |
7c63f3c0 KM |
1070 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1071 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1072 | int ret; |
bff58ea4 | 1073 | |
ae11a9be KM |
1074 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1075 | if (ret) | |
1076 | return ret; | |
bff58ea4 | 1077 | |
ae11a9be | 1078 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1079 | if (ret) |
1080 | return ret; | |
bff58ea4 | 1081 | |
1536a968 KM |
1082 | return snd_pcm_lib_preallocate_pages_for_all( |
1083 | rtd->pcm, | |
4821d914 KM |
1084 | SNDRV_DMA_TYPE_CONTINUOUS, |
1085 | snd_dma_continuous_data(GFP_KERNEL), | |
1536a968 KM |
1086 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); |
1087 | } | |
1088 | ||
1536a968 KM |
1089 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1090 | .ops = &rsnd_pcm_ops, | |
1091 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1092 | }; |
1093 | ||
1094 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1095 | .name = "rsnd", | |
1096 | }; | |
1097 | ||
d3a76823 | 1098 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1099 | struct rsnd_dai_stream *io) |
d3a76823 | 1100 | { |
d3a76823 KM |
1101 | int ret; |
1102 | ||
690602fc | 1103 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1104 | if (ret == -EAGAIN) { |
48d58281 | 1105 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
9b87bfb2 | 1106 | struct rsnd_mod *mod; |
48d58281 KM |
1107 | int i; |
1108 | ||
d3a76823 KM |
1109 | /* |
1110 | * Fallback to PIO mode | |
1111 | */ | |
1112 | ||
1113 | /* | |
1114 | * call "remove" for SSI/SRC/DVC | |
1115 | * SSI will be switch to PIO mode if it was DMA mode | |
1116 | * see | |
1117 | * rsnd_dma_init() | |
97463e19 | 1118 | * rsnd_ssi_fallback() |
d3a76823 | 1119 | */ |
690602fc | 1120 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1121 | |
1122 | /* | |
48d58281 KM |
1123 | * remove all mod from io |
1124 | * and, re connect ssi | |
d3a76823 | 1125 | */ |
9b87bfb2 KM |
1126 | for_each_rsnd_mod(i, mod, io) |
1127 | rsnd_dai_disconnect(mod, io, i); | |
48d58281 | 1128 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); |
d3a76823 | 1129 | |
97463e19 KM |
1130 | /* |
1131 | * fallback | |
1132 | */ | |
690602fc | 1133 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1134 | |
d3a76823 KM |
1135 | /* |
1136 | * retry to "probe". | |
1137 | * DAI has SSI which is PIO mode only now. | |
1138 | */ | |
690602fc | 1139 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1140 | } |
1141 | ||
1142 | return ret; | |
1143 | } | |
1144 | ||
1536a968 KM |
1145 | /* |
1146 | * rsnd probe | |
1147 | */ | |
1148 | static int rsnd_probe(struct platform_device *pdev) | |
1149 | { | |
1536a968 KM |
1150 | struct rsnd_priv *priv; |
1151 | struct device *dev = &pdev->dev; | |
7681f6ac | 1152 | struct rsnd_dai *rdai; |
2ea6b074 | 1153 | int (*probe_func[])(struct rsnd_priv *priv) = { |
d1ac970f | 1154 | rsnd_gen_probe, |
288f392e | 1155 | rsnd_dma_probe, |
d1ac970f | 1156 | rsnd_ssi_probe, |
c7f69ab5 | 1157 | rsnd_ssiu_probe, |
ba9c949f | 1158 | rsnd_src_probe, |
9269e3c3 | 1159 | rsnd_ctu_probe, |
70fb1052 | 1160 | rsnd_mix_probe, |
bff58ea4 | 1161 | rsnd_dvc_probe, |
1b2ca0ad | 1162 | rsnd_cmd_probe, |
d1ac970f KM |
1163 | rsnd_adg_probe, |
1164 | rsnd_dai_probe, | |
1165 | }; | |
1166 | int ret, i; | |
1536a968 | 1167 | |
1536a968 KM |
1168 | /* |
1169 | * init priv data | |
1170 | */ | |
1171 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1172 | if (!priv) { | |
1173 | dev_err(dev, "priv allocate failed\n"); | |
1174 | return -ENODEV; | |
1175 | } | |
1176 | ||
9f464f8e | 1177 | priv->pdev = pdev; |
6d8044b4 | 1178 | priv->flags = (unsigned long)of_device_get_match_data(dev); |
1536a968 KM |
1179 | spin_lock_init(&priv->lock); |
1180 | ||
1181 | /* | |
1182 | * init each module | |
1183 | */ | |
d1ac970f | 1184 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
2ea6b074 | 1185 | ret = probe_func[i](priv); |
d1ac970f KM |
1186 | if (ret) |
1187 | return ret; | |
1188 | } | |
07539c1d | 1189 | |
7681f6ac | 1190 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1191 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1192 | if (ret) |
d62a3dcd | 1193 | goto exit_snd_probe; |
dfc9403b | 1194 | |
f708d944 | 1195 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1196 | if (ret) |
d62a3dcd | 1197 | goto exit_snd_probe; |
7681f6ac | 1198 | } |
4b4dab82 | 1199 | |
0b1f6ec7 KM |
1200 | dev_set_drvdata(dev, priv); |
1201 | ||
1536a968 KM |
1202 | /* |
1203 | * asoc register | |
1204 | */ | |
1205 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1206 | if (ret < 0) { | |
1207 | dev_err(dev, "cannot snd soc register\n"); | |
1208 | return ret; | |
1209 | } | |
1210 | ||
1211 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1212 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1213 | if (ret < 0) { |
1214 | dev_err(dev, "cannot snd dai register\n"); | |
1215 | goto exit_snd_soc; | |
1216 | } | |
1217 | ||
1536a968 KM |
1218 | pm_runtime_enable(dev); |
1219 | ||
1220 | dev_info(dev, "probed\n"); | |
1221 | return ret; | |
1222 | ||
1223 | exit_snd_soc: | |
1224 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1225 | exit_snd_probe: |
1226 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1227 | rsnd_dai_call(remove, &rdai->playback, priv); |
1228 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1229 | } |
1536a968 KM |
1230 | |
1231 | return ret; | |
1232 | } | |
1233 | ||
1234 | static int rsnd_remove(struct platform_device *pdev) | |
1235 | { | |
1236 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1237 | struct rsnd_dai *rdai; |
2ea6b074 | 1238 | void (*remove_func[])(struct rsnd_priv *priv) = { |
2f78dd7f | 1239 | rsnd_ssi_remove, |
c7f69ab5 | 1240 | rsnd_ssiu_remove, |
2f78dd7f | 1241 | rsnd_src_remove, |
9269e3c3 | 1242 | rsnd_ctu_remove, |
70fb1052 | 1243 | rsnd_mix_remove, |
2f78dd7f | 1244 | rsnd_dvc_remove, |
1b2ca0ad | 1245 | rsnd_cmd_remove, |
68a55024 | 1246 | rsnd_adg_remove, |
2f78dd7f | 1247 | }; |
d62a3dcd | 1248 | int ret = 0, i; |
1536a968 KM |
1249 | |
1250 | pm_runtime_disable(&pdev->dev); | |
1251 | ||
7681f6ac | 1252 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1253 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1254 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1255 | } |
1536a968 | 1256 | |
2f78dd7f | 1257 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
2ea6b074 | 1258 | remove_func[i](priv); |
2f78dd7f | 1259 | |
d7c42ff8 KM |
1260 | snd_soc_unregister_component(&pdev->dev); |
1261 | snd_soc_unregister_platform(&pdev->dev); | |
1262 | ||
d62a3dcd | 1263 | return ret; |
1536a968 KM |
1264 | } |
1265 | ||
c2d31718 KM |
1266 | static int rsnd_suspend(struct device *dev) |
1267 | { | |
1268 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1269 | ||
1270 | rsnd_adg_clk_disable(priv); | |
1271 | ||
1272 | return 0; | |
1273 | } | |
1274 | ||
1275 | static int rsnd_resume(struct device *dev) | |
1276 | { | |
1277 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1278 | ||
1279 | rsnd_adg_clk_enable(priv); | |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | static struct dev_pm_ops rsnd_pm_ops = { | |
1285 | .suspend = rsnd_suspend, | |
1286 | .resume = rsnd_resume, | |
1287 | }; | |
1288 | ||
1536a968 KM |
1289 | static struct platform_driver rsnd_driver = { |
1290 | .driver = { | |
1291 | .name = "rcar_sound", | |
c2d31718 | 1292 | .pm = &rsnd_pm_ops, |
90e8e50f | 1293 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1294 | }, |
1295 | .probe = rsnd_probe, | |
1296 | .remove = rsnd_remove, | |
1297 | }; | |
1298 | module_platform_driver(rsnd_driver); | |
1299 | ||
1300 | MODULE_LICENSE("GPL"); | |
1301 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1302 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1303 | MODULE_ALIAS("platform:rcar-pcm-audio"); |