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 | ||
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 | */ | |
1d9d0c65 | 113 | #ifdef DEBUG |
f1df1229 KM |
114 | void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) |
115 | { | |
116 | if (mod->type != type) { | |
117 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
118 | struct device *dev = rsnd_priv_to_dev(priv); | |
119 | ||
120 | dev_warn(dev, "%s[%d] is not your expected module\n", | |
121 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
122 | } | |
123 | } | |
1d9d0c65 | 124 | #endif |
f1df1229 | 125 | |
cdaa3cdf KM |
126 | char *rsnd_mod_name(struct rsnd_mod *mod) |
127 | { | |
128 | if (!mod || !mod->ops) | |
129 | return "unknown"; | |
130 | ||
131 | return mod->ops->name; | |
132 | } | |
133 | ||
9b99e9a7 KM |
134 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
135 | struct rsnd_mod *mod) | |
d9288d0b | 136 | { |
72adc61f KM |
137 | if (!mod || !mod->ops || !mod->ops->dma_req) |
138 | return NULL; | |
d9288d0b | 139 | |
9b99e9a7 | 140 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
141 | } |
142 | ||
5ba17b42 KM |
143 | u32 *rsnd_mod_get_status(struct rsnd_dai_stream *io, |
144 | struct rsnd_mod *mod, | |
145 | enum rsnd_mod_type type) | |
146 | { | |
147 | return &mod->status; | |
148 | } | |
149 | ||
2099bc8e KM |
150 | int rsnd_mod_init(struct rsnd_priv *priv, |
151 | struct rsnd_mod *mod, | |
5ba17b42 KM |
152 | struct rsnd_mod_ops *ops, |
153 | struct clk *clk, | |
154 | u32* (*get_status)(struct rsnd_dai_stream *io, | |
155 | struct rsnd_mod *mod, | |
156 | enum rsnd_mod_type type), | |
157 | enum rsnd_mod_type type, | |
158 | int id) | |
cdaa3cdf | 159 | { |
2f78dd7f KM |
160 | int ret = clk_prepare(clk); |
161 | ||
162 | if (ret) | |
163 | return ret; | |
164 | ||
cdaa3cdf KM |
165 | mod->id = id; |
166 | mod->ops = ops; | |
a126021d | 167 | mod->type = type; |
85642952 | 168 | mod->clk = clk; |
2099bc8e | 169 | mod->priv = priv; |
5ba17b42 | 170 | mod->get_status = get_status; |
2f78dd7f KM |
171 | |
172 | return ret; | |
173 | } | |
174 | ||
175 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
176 | { | |
177 | if (mod->clk) | |
178 | clk_unprepare(mod->clk); | |
ea96380b | 179 | mod->clk = NULL; |
cdaa3cdf KM |
180 | } |
181 | ||
f501b7a4 KM |
182 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
183 | void (*callback)(struct rsnd_mod *mod, | |
184 | struct rsnd_dai_stream *io)) | |
185 | { | |
186 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
187 | struct rsnd_dai_stream *io; | |
188 | struct rsnd_dai *rdai; | |
2daf71ad | 189 | int i; |
f501b7a4 | 190 | |
2daf71ad KM |
191 | for_each_rsnd_dai(rdai, priv, i) { |
192 | io = &rdai->playback; | |
193 | if (mod == io->mod[mod->type]) | |
194 | callback(mod, io); | |
f501b7a4 | 195 | |
2daf71ad KM |
196 | io = &rdai->capture; |
197 | if (mod == io->mod[mod->type]) | |
198 | callback(mod, io); | |
f501b7a4 KM |
199 | } |
200 | } | |
201 | ||
d5bbe7de | 202 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 203 | { |
02299d98 KM |
204 | /* see rsnd_dai_stream_init/quit() */ |
205 | return !!io->substream; | |
206 | } | |
207 | ||
750fd445 KM |
208 | void rsnd_set_slot(struct rsnd_dai *rdai, |
209 | int slots, int num) | |
210 | { | |
211 | rdai->slots = slots; | |
212 | rdai->slots_num = num; | |
213 | } | |
214 | ||
c140284b | 215 | int rsnd_get_slot(struct rsnd_dai_stream *io) |
8ec85e7f | 216 | { |
c140284b KM |
217 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
218 | ||
8ec85e7f KM |
219 | return rdai->slots; |
220 | } | |
221 | ||
750fd445 KM |
222 | int rsnd_get_slot_num(struct rsnd_dai_stream *io) |
223 | { | |
224 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); | |
225 | ||
226 | return rdai->slots_num; | |
227 | } | |
228 | ||
eed76bb8 | 229 | int rsnd_runtime_channel_original(struct rsnd_dai_stream *io) |
8ec85e7f | 230 | { |
5858a7d1 | 231 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
b4c83b17 | 232 | |
eed76bb8 KM |
233 | return runtime->channels; |
234 | } | |
235 | ||
236 | int rsnd_runtime_channel_after_ctu(struct rsnd_dai_stream *io) | |
237 | { | |
238 | int chan = rsnd_runtime_channel_original(io); | |
239 | struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io); | |
240 | ||
241 | if (ctu_mod) { | |
242 | u32 converted_chan = rsnd_ctu_converted_channel(ctu_mod); | |
243 | ||
244 | if (converted_chan) | |
245 | return converted_chan; | |
246 | } | |
247 | ||
248 | return chan; | |
249 | } | |
250 | ||
251 | int rsnd_runtime_channel_for_ssi(struct rsnd_dai_stream *io) | |
252 | { | |
253 | int chan = rsnd_io_is_play(io) ? | |
254 | rsnd_runtime_channel_after_ctu(io) : | |
255 | rsnd_runtime_channel_original(io); | |
256 | ||
257 | /* Use Multi SSI */ | |
258 | if (rsnd_runtime_is_ssi_multi(io)) | |
b4c83b17 | 259 | chan /= rsnd_get_slot_num(io); |
8ec85e7f KM |
260 | |
261 | /* TDM Extend Mode needs 8ch */ | |
262 | if (chan == 6) | |
263 | chan = 8; | |
264 | ||
265 | return chan; | |
266 | } | |
267 | ||
eed76bb8 KM |
268 | int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io) |
269 | { | |
270 | int slots = rsnd_get_slot_num(io); | |
271 | int chan = rsnd_io_is_play(io) ? | |
272 | rsnd_runtime_channel_after_ctu(io) : | |
273 | rsnd_runtime_channel_original(io); | |
274 | ||
275 | return (chan >= 6) && (slots > 1); | |
276 | } | |
277 | ||
278 | int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io) | |
279 | { | |
280 | return rsnd_runtime_channel_for_ssi(io) >= 6; | |
281 | } | |
282 | ||
d7bdbc5d | 283 | /* |
3023b384 | 284 | * ADINR function |
d7bdbc5d | 285 | */ |
3023b384 | 286 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
287 | { |
288 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
289 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
290 | struct device *dev = rsnd_priv_to_dev(priv); | |
d7bdbc5d KM |
291 | |
292 | switch (runtime->sample_bits) { | |
293 | case 16: | |
5e7b9edd | 294 | return 8 << 16; |
d7bdbc5d | 295 | case 32: |
5e7b9edd | 296 | return 0 << 16; |
d7bdbc5d KM |
297 | } |
298 | ||
5e7b9edd KM |
299 | dev_warn(dev, "not supported sample bits\n"); |
300 | ||
301 | return 0; | |
d7bdbc5d KM |
302 | } |
303 | ||
4689032b KM |
304 | /* |
305 | * DALIGN function | |
306 | */ | |
307 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
308 | { | |
3ce2959d | 309 | struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io); |
a504b1ee | 310 | struct rsnd_mod *target; |
4689032b KM |
311 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
312 | u32 val = 0x76543210; | |
313 | u32 mask = ~0; | |
314 | ||
a504b1ee KM |
315 | if (rsnd_io_is_play(io)) { |
316 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
317 | ||
3ce2959d | 318 | target = src ? src : ssiu; |
a504b1ee KM |
319 | } else { |
320 | struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io); | |
321 | ||
3ce2959d | 322 | target = cmd ? cmd : ssiu; |
a504b1ee KM |
323 | } |
324 | ||
4689032b KM |
325 | mask <<= runtime->channels * 4; |
326 | val = val & mask; | |
327 | ||
328 | switch (runtime->sample_bits) { | |
329 | case 16: | |
330 | val |= 0x67452301 & ~mask; | |
331 | break; | |
332 | case 32: | |
333 | val |= 0x76543210 & ~mask; | |
334 | break; | |
335 | } | |
336 | ||
337 | /* | |
338 | * exchange channeles on SRC if possible, | |
339 | * otherwise, R/L volume settings on DVC | |
340 | * changes inverted channels | |
341 | */ | |
342 | if (mod == target) | |
343 | return val; | |
344 | else | |
345 | return 0x76543210; | |
346 | } | |
347 | ||
1536a968 KM |
348 | /* |
349 | * rsnd_dai functions | |
350 | */ | |
b3ca3fbe KM |
351 | struct rsnd_mod *rsnd_mod_next(int *iterator, |
352 | struct rsnd_dai_stream *io, | |
353 | enum rsnd_mod_type *array, | |
354 | int array_size) | |
355 | { | |
356 | struct rsnd_mod *mod; | |
357 | enum rsnd_mod_type type; | |
358 | int max = array ? array_size : RSND_MOD_MAX; | |
359 | ||
360 | for (; *iterator < max; (*iterator)++) { | |
361 | type = (array) ? array[*iterator] : *iterator; | |
362 | mod = io->mod[type]; | |
363 | if (!mod) | |
364 | continue; | |
365 | ||
366 | (*iterator)++; | |
367 | ||
368 | return mod; | |
369 | } | |
370 | ||
371 | return NULL; | |
372 | } | |
373 | ||
38587f4c KM |
374 | static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = { |
375 | { | |
376 | /* CAPTURE */ | |
377 | RSND_MOD_AUDMAPP, | |
378 | RSND_MOD_AUDMA, | |
379 | RSND_MOD_DVC, | |
380 | RSND_MOD_MIX, | |
381 | RSND_MOD_CTU, | |
382 | RSND_MOD_CMD, | |
383 | RSND_MOD_SRC, | |
384 | RSND_MOD_SSIU, | |
385 | RSND_MOD_SSIM3, | |
386 | RSND_MOD_SSIM2, | |
387 | RSND_MOD_SSIM1, | |
388 | RSND_MOD_SSIP, | |
389 | RSND_MOD_SSI, | |
390 | }, { | |
391 | /* PLAYBACK */ | |
392 | RSND_MOD_AUDMAPP, | |
393 | RSND_MOD_AUDMA, | |
394 | RSND_MOD_SSIM3, | |
395 | RSND_MOD_SSIM2, | |
396 | RSND_MOD_SSIM1, | |
397 | RSND_MOD_SSIP, | |
398 | RSND_MOD_SSI, | |
399 | RSND_MOD_SSIU, | |
400 | RSND_MOD_DVC, | |
401 | RSND_MOD_MIX, | |
402 | RSND_MOD_CTU, | |
403 | RSND_MOD_CMD, | |
404 | RSND_MOD_SRC, | |
405 | }, | |
406 | }; | |
407 | ||
5f222a29 KM |
408 | static int rsnd_status_update(u32 *status, |
409 | int shift, int add, int timing) | |
410 | { | |
411 | u32 mask = 0xF << shift; | |
412 | u8 val = (*status >> shift) & 0xF; | |
413 | u8 next_val = (val + add) & 0xF; | |
414 | int func_call = (val == timing); | |
415 | ||
416 | if (next_val == 0xF) /* underflow case */ | |
417 | func_call = 0; | |
418 | else | |
419 | *status = (*status & ~mask) + (next_val << shift); | |
420 | ||
421 | return func_call; | |
422 | } | |
423 | ||
424 | #define rsnd_dai_call(fn, io, param...) \ | |
425 | ({ \ | |
426 | struct rsnd_priv *priv = rsnd_io_to_priv(io); \ | |
427 | struct device *dev = rsnd_priv_to_dev(priv); \ | |
428 | struct rsnd_mod *mod; \ | |
429 | int is_play = rsnd_io_is_play(io); \ | |
430 | int ret = 0, i; \ | |
431 | enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \ | |
432 | for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \ | |
433 | int tmp = 0; \ | |
434 | u32 *status = mod->get_status(io, mod, types[i]); \ | |
435 | int func_call = rsnd_status_update(status, \ | |
436 | __rsnd_mod_shift_##fn, \ | |
437 | __rsnd_mod_add_##fn, \ | |
438 | __rsnd_mod_call_##fn); \ | |
439 | dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ | |
440 | rsnd_mod_name(mod), rsnd_mod_id(mod), *status, \ | |
441 | (func_call && (mod)->ops->fn) ? #fn : ""); \ | |
442 | if (func_call && (mod)->ops->fn) \ | |
443 | tmp = (mod)->ops->fn(mod, io, param); \ | |
444 | if (tmp) \ | |
445 | dev_err(dev, "%s[%d] : %s error %d\n", \ | |
446 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
447 | #fn, tmp); \ | |
448 | ret |= tmp; \ | |
449 | } \ | |
450 | ret; \ | |
cdaa3cdf KM |
451 | }) |
452 | ||
27924f32 KM |
453 | int rsnd_dai_connect(struct rsnd_mod *mod, |
454 | struct rsnd_dai_stream *io, | |
455 | enum rsnd_mod_type type) | |
cdaa3cdf | 456 | { |
48725e9c KM |
457 | struct rsnd_priv *priv; |
458 | struct device *dev; | |
84e95355 | 459 | |
6020779b | 460 | if (!mod) |
cdaa3cdf | 461 | return -EIO; |
cdaa3cdf | 462 | |
bfa3119c KM |
463 | if (io->mod[type] == mod) |
464 | return 0; | |
465 | ||
52dc6852 KM |
466 | if (io->mod[type]) |
467 | return -EINVAL; | |
468 | ||
48725e9c KM |
469 | priv = rsnd_mod_to_priv(mod); |
470 | dev = rsnd_priv_to_dev(priv); | |
471 | ||
27924f32 | 472 | io->mod[type] = mod; |
cdaa3cdf | 473 | |
84e95355 KM |
474 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
475 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
476 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
477 | ||
cdaa3cdf KM |
478 | return 0; |
479 | } | |
480 | ||
d3a76823 | 481 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
482 | struct rsnd_dai_stream *io, |
483 | enum rsnd_mod_type type) | |
d3a76823 | 484 | { |
27924f32 | 485 | io->mod[type] = NULL; |
d3a76823 KM |
486 | } |
487 | ||
710d0889 | 488 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 489 | { |
ecba9e72 | 490 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
491 | return NULL; |
492 | ||
1536a968 KM |
493 | return priv->rdai + id; |
494 | } | |
495 | ||
eb2535f5 | 496 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
497 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
498 | { | |
eb2535f5 | 499 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 500 | |
710d0889 | 501 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
502 | } |
503 | ||
1536a968 KM |
504 | /* |
505 | * rsnd_soc_dai functions | |
506 | */ | |
507 | int rsnd_dai_pointer_offset(struct rsnd_dai_stream *io, int additional) | |
508 | { | |
509 | struct snd_pcm_substream *substream = io->substream; | |
510 | struct snd_pcm_runtime *runtime = substream->runtime; | |
511 | int pos = io->byte_pos + additional; | |
512 | ||
513 | pos %= (runtime->periods * io->byte_per_period); | |
514 | ||
515 | return pos; | |
516 | } | |
517 | ||
75defee0 | 518 | bool rsnd_dai_pointer_update(struct rsnd_dai_stream *io, int byte) |
1536a968 KM |
519 | { |
520 | io->byte_pos += byte; | |
521 | ||
522 | if (io->byte_pos >= io->next_period_byte) { | |
523 | struct snd_pcm_substream *substream = io->substream; | |
524 | struct snd_pcm_runtime *runtime = substream->runtime; | |
525 | ||
526 | io->period_pos++; | |
527 | io->next_period_byte += io->byte_per_period; | |
528 | ||
529 | if (io->period_pos >= runtime->periods) { | |
530 | io->byte_pos = 0; | |
531 | io->period_pos = 0; | |
532 | io->next_period_byte = io->byte_per_period; | |
533 | } | |
534 | ||
75defee0 | 535 | return true; |
1536a968 | 536 | } |
75defee0 KM |
537 | |
538 | return false; | |
539 | } | |
540 | ||
541 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) | |
542 | { | |
543 | struct snd_pcm_substream *substream = io->substream; | |
544 | ||
545 | /* | |
546 | * this function should be called... | |
547 | * | |
548 | * - if rsnd_dai_pointer_update() returns true | |
549 | * - without spin lock | |
550 | */ | |
551 | ||
552 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
553 | } |
554 | ||
5626ad08 | 555 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
556 | struct snd_pcm_substream *substream) |
557 | { | |
558 | struct snd_pcm_runtime *runtime = substream->runtime; | |
559 | ||
1536a968 KM |
560 | io->substream = substream; |
561 | io->byte_pos = 0; | |
562 | io->period_pos = 0; | |
563 | io->byte_per_period = runtime->period_size * | |
564 | runtime->channels * | |
565 | samples_to_bytes(runtime, 1); | |
566 | io->next_period_byte = io->byte_per_period; | |
5626ad08 | 567 | } |
1536a968 | 568 | |
5626ad08 KM |
569 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
570 | { | |
571 | io->substream = NULL; | |
1536a968 KM |
572 | } |
573 | ||
574 | static | |
575 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
576 | { | |
577 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
578 | ||
579 | return rtd->cpu_dai; | |
580 | } | |
581 | ||
582 | static | |
583 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
584 | struct snd_pcm_substream *substream) | |
585 | { | |
586 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
587 | return &rdai->playback; | |
588 | else | |
589 | return &rdai->capture; | |
590 | } | |
591 | ||
592 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
593 | struct snd_soc_dai *dai) | |
594 | { | |
eb2535f5 | 595 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
596 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
597 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1536a968 KM |
598 | int ret; |
599 | unsigned long flags; | |
600 | ||
02299d98 | 601 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
602 | |
603 | switch (cmd) { | |
604 | case SNDRV_PCM_TRIGGER_START: | |
4b9c75ea | 605 | case SNDRV_PCM_TRIGGER_RESUME: |
5626ad08 | 606 | rsnd_dai_stream_init(io, substream); |
1536a968 | 607 | |
690602fc | 608 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
609 | if (ret < 0) |
610 | goto dai_trigger_end; | |
611 | ||
690602fc | 612 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
613 | if (ret < 0) |
614 | goto dai_trigger_end; | |
b5b442ab KM |
615 | |
616 | ret = rsnd_dai_call(irq, io, priv, 1); | |
617 | if (ret < 0) | |
618 | goto dai_trigger_end; | |
619 | ||
1536a968 KM |
620 | break; |
621 | case SNDRV_PCM_TRIGGER_STOP: | |
4b9c75ea | 622 | case SNDRV_PCM_TRIGGER_SUSPEND: |
b5b442ab KM |
623 | ret = rsnd_dai_call(irq, io, priv, 0); |
624 | ||
625 | ret |= rsnd_dai_call(stop, io, priv); | |
cdaa3cdf | 626 | |
89e3e2c3 | 627 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 628 | |
5626ad08 | 629 | rsnd_dai_stream_quit(io); |
1536a968 KM |
630 | break; |
631 | default: | |
632 | ret = -EINVAL; | |
633 | } | |
634 | ||
635 | dai_trigger_end: | |
02299d98 | 636 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
637 | |
638 | return ret; | |
639 | } | |
640 | ||
641 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
642 | { | |
643 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
644 | ||
645 | /* set master/slave audio interface */ | |
646 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
647 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 648 | rdai->clk_master = 0; |
1536a968 KM |
649 | break; |
650 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 651 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
652 | break; |
653 | default: | |
654 | return -EINVAL; | |
655 | } | |
656 | ||
1536a968 KM |
657 | /* set format */ |
658 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
659 | case SND_SOC_DAIFMT_I2S: | |
660 | rdai->sys_delay = 0; | |
661 | rdai->data_alignment = 0; | |
1a7889ca | 662 | rdai->frm_clk_inv = 0; |
1536a968 KM |
663 | break; |
664 | case SND_SOC_DAIFMT_LEFT_J: | |
665 | rdai->sys_delay = 1; | |
666 | rdai->data_alignment = 0; | |
1a7889ca | 667 | rdai->frm_clk_inv = 1; |
1536a968 KM |
668 | break; |
669 | case SND_SOC_DAIFMT_RIGHT_J: | |
670 | rdai->sys_delay = 1; | |
671 | rdai->data_alignment = 1; | |
1a7889ca KM |
672 | rdai->frm_clk_inv = 1; |
673 | break; | |
674 | } | |
675 | ||
676 | /* set clock inversion */ | |
677 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
678 | case SND_SOC_DAIFMT_NB_IF: | |
679 | rdai->bit_clk_inv = rdai->bit_clk_inv; | |
680 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
681 | break; | |
682 | case SND_SOC_DAIFMT_IB_NF: | |
683 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
684 | rdai->frm_clk_inv = rdai->frm_clk_inv; | |
685 | break; | |
686 | case SND_SOC_DAIFMT_IB_IF: | |
687 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
688 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
689 | break; | |
690 | case SND_SOC_DAIFMT_NB_NF: | |
691 | default: | |
1536a968 KM |
692 | break; |
693 | } | |
694 | ||
695 | return 0; | |
696 | } | |
697 | ||
186fadc1 KM |
698 | static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, |
699 | u32 tx_mask, u32 rx_mask, | |
700 | int slots, int slot_width) | |
701 | { | |
702 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
703 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
704 | struct device *dev = rsnd_priv_to_dev(priv); | |
705 | ||
706 | switch (slots) { | |
707 | case 6: | |
708 | /* TDM Extend Mode */ | |
750fd445 | 709 | rsnd_set_slot(rdai, slots, 1); |
186fadc1 KM |
710 | break; |
711 | default: | |
712 | dev_err(dev, "unsupported TDM slots (%d)\n", slots); | |
713 | return -EINVAL; | |
714 | } | |
715 | ||
716 | return 0; | |
717 | } | |
718 | ||
10a9cca1 KM |
719 | static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream, |
720 | struct snd_soc_dai *dai) | |
721 | { | |
722 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
723 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
724 | ||
725 | /* | |
726 | * call rsnd_dai_call without spinlock | |
727 | */ | |
728 | return rsnd_dai_call(nolock_start, io, priv); | |
729 | } | |
730 | ||
731 | static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream, | |
732 | struct snd_soc_dai *dai) | |
733 | { | |
734 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
735 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
736 | ||
737 | /* | |
738 | * call rsnd_dai_call without spinlock | |
739 | */ | |
740 | rsnd_dai_call(nolock_stop, io, priv); | |
741 | } | |
742 | ||
1536a968 | 743 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
10a9cca1 KM |
744 | .startup = rsnd_soc_dai_startup, |
745 | .shutdown = rsnd_soc_dai_shutdown, | |
1536a968 KM |
746 | .trigger = rsnd_soc_dai_trigger, |
747 | .set_fmt = rsnd_soc_dai_set_fmt, | |
186fadc1 | 748 | .set_tdm_slot = rsnd_soc_set_dai_tdm_slot, |
1536a968 KM |
749 | }; |
750 | ||
89b66174 KM |
751 | void rsnd_parse_connect_common(struct rsnd_dai *rdai, |
752 | struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), | |
753 | struct device_node *node, | |
754 | struct device_node *playback, | |
755 | struct device_node *capture) | |
756 | { | |
757 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
758 | struct device_node *np; | |
759 | struct rsnd_mod *mod; | |
760 | int i; | |
761 | ||
762 | if (!node) | |
763 | return; | |
764 | ||
765 | i = 0; | |
766 | for_each_child_of_node(node, np) { | |
767 | mod = mod_get(priv, i); | |
768 | if (np == playback) | |
769 | rsnd_dai_connect(mod, &rdai->playback, mod->type); | |
770 | if (np == capture) | |
771 | rsnd_dai_connect(mod, &rdai->capture, mod->type); | |
772 | i++; | |
773 | } | |
774 | ||
775 | of_node_put(node); | |
776 | } | |
777 | ||
2ea6b074 | 778 | static int rsnd_dai_probe(struct rsnd_priv *priv) |
90e8e50f | 779 | { |
94e2710c | 780 | struct device_node *dai_node; |
89b66174 | 781 | struct device_node *dai_np; |
90e8e50f | 782 | struct device_node *playback, *capture; |
94e2710c KM |
783 | struct rsnd_dai_stream *io_playback; |
784 | struct rsnd_dai_stream *io_capture; | |
2ff2ecca | 785 | struct snd_soc_dai_driver *rdrv, *drv; |
94e2710c | 786 | struct rsnd_dai *rdai; |
2ea6b074 | 787 | struct device *dev = rsnd_priv_to_dev(priv); |
89b66174 | 788 | int nr, dai_i, io_i; |
94e2710c | 789 | int ret; |
90e8e50f | 790 | |
94e2710c | 791 | dai_node = rsnd_dai_of_node(priv); |
90e8e50f | 792 | nr = of_get_child_count(dai_node); |
94e2710c KM |
793 | if (!nr) { |
794 | ret = -EINVAL; | |
795 | goto rsnd_dai_probe_done; | |
90e8e50f KM |
796 | } |
797 | ||
2ff2ecca | 798 | rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL); |
94e2710c | 799 | rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL); |
2ff2ecca | 800 | if (!rdrv || !rdai) { |
94e2710c KM |
801 | ret = -ENOMEM; |
802 | goto rsnd_dai_probe_done; | |
803 | } | |
90e8e50f | 804 | |
94e2710c | 805 | priv->rdai_nr = nr; |
2ff2ecca | 806 | priv->daidrv = rdrv; |
94e2710c | 807 | priv->rdai = rdai; |
90e8e50f KM |
808 | |
809 | /* | |
810 | * parse all dai | |
811 | */ | |
812 | dai_i = 0; | |
813 | for_each_child_of_node(dai_node, dai_np) { | |
94e2710c | 814 | rdai = rsnd_rdai_get(priv, dai_i); |
2ff2ecca | 815 | drv = rdrv + dai_i; |
94e2710c KM |
816 | io_playback = &rdai->playback; |
817 | io_capture = &rdai->capture; | |
818 | ||
819 | snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i); | |
820 | ||
821 | rdai->priv = priv; | |
822 | drv->name = rdai->name; | |
823 | drv->ops = &rsnd_soc_dai_ops; | |
824 | ||
825 | snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE, | |
826 | "DAI%d Playback", dai_i); | |
827 | drv->playback.rates = RSND_RATES; | |
828 | drv->playback.formats = RSND_FMTS; | |
829 | drv->playback.channels_min = 2; | |
186fadc1 | 830 | drv->playback.channels_max = 6; |
94e2710c KM |
831 | drv->playback.stream_name = rdai->playback.name; |
832 | ||
833 | snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, | |
834 | "DAI%d Capture", dai_i); | |
835 | drv->capture.rates = RSND_RATES; | |
836 | drv->capture.formats = RSND_FMTS; | |
837 | drv->capture.channels_min = 2; | |
186fadc1 | 838 | drv->capture.channels_max = 6; |
94e2710c KM |
839 | drv->capture.stream_name = rdai->capture.name; |
840 | ||
841 | rdai->playback.rdai = rdai; | |
842 | rdai->capture.rdai = rdai; | |
750fd445 | 843 | rsnd_set_slot(rdai, 2, 1); /* default */ |
90e8e50f | 844 | |
94e2710c KM |
845 | for (io_i = 0;; io_i++) { |
846 | playback = of_parse_phandle(dai_np, "playback", io_i); | |
847 | capture = of_parse_phandle(dai_np, "capture", io_i); | |
90e8e50f KM |
848 | |
849 | if (!playback && !capture) | |
850 | break; | |
851 | ||
89b66174 KM |
852 | rsnd_parse_connect_ssi(rdai, playback, capture); |
853 | rsnd_parse_connect_src(rdai, playback, capture); | |
854 | rsnd_parse_connect_ctu(rdai, playback, capture); | |
855 | rsnd_parse_connect_mix(rdai, playback, capture); | |
856 | rsnd_parse_connect_dvc(rdai, playback, capture); | |
90e8e50f | 857 | |
a493b6a6 JL |
858 | of_node_put(playback); |
859 | of_node_put(capture); | |
90e8e50f KM |
860 | } |
861 | ||
862 | dai_i++; | |
1536a968 | 863 | |
94e2710c KM |
864 | dev_dbg(dev, "%s (%s/%s)\n", rdai->name, |
865 | rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ", | |
866 | rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- "); | |
1536a968 KM |
867 | } |
868 | ||
94e2710c | 869 | ret = 0; |
49848073 | 870 | |
94e2710c KM |
871 | rsnd_dai_probe_done: |
872 | of_node_put(dai_node); | |
1536a968 | 873 | |
94e2710c | 874 | return ret; |
1536a968 KM |
875 | } |
876 | ||
1536a968 KM |
877 | /* |
878 | * pcm ops | |
879 | */ | |
880 | static struct snd_pcm_hardware rsnd_pcm_hardware = { | |
881 | .info = SNDRV_PCM_INFO_INTERLEAVED | | |
882 | SNDRV_PCM_INFO_MMAP | | |
706c6621 | 883 | SNDRV_PCM_INFO_MMAP_VALID, |
1536a968 KM |
884 | .buffer_bytes_max = 64 * 1024, |
885 | .period_bytes_min = 32, | |
886 | .period_bytes_max = 8192, | |
887 | .periods_min = 1, | |
888 | .periods_max = 32, | |
889 | .fifo_size = 256, | |
890 | }; | |
891 | ||
892 | static int rsnd_pcm_open(struct snd_pcm_substream *substream) | |
893 | { | |
894 | struct snd_pcm_runtime *runtime = substream->runtime; | |
895 | int ret = 0; | |
896 | ||
897 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); | |
898 | ||
899 | ret = snd_pcm_hw_constraint_integer(runtime, | |
900 | SNDRV_PCM_HW_PARAM_PERIODS); | |
901 | ||
902 | return ret; | |
903 | } | |
904 | ||
905 | static int rsnd_hw_params(struct snd_pcm_substream *substream, | |
906 | struct snd_pcm_hw_params *hw_params) | |
907 | { | |
3b7843ff KM |
908 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
909 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
910 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
911 | int ret; | |
912 | ||
913 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
914 | if (ret) | |
915 | return ret; | |
916 | ||
1536a968 KM |
917 | return snd_pcm_lib_malloc_pages(substream, |
918 | params_buffer_bytes(hw_params)); | |
919 | } | |
920 | ||
921 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
922 | { | |
923 | struct snd_pcm_runtime *runtime = substream->runtime; | |
924 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); | |
925 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
926 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
927 | ||
928 | return bytes_to_frames(runtime, io->byte_pos); | |
929 | } | |
930 | ||
931 | static struct snd_pcm_ops rsnd_pcm_ops = { | |
932 | .open = rsnd_pcm_open, | |
933 | .ioctl = snd_pcm_lib_ioctl, | |
934 | .hw_params = rsnd_hw_params, | |
935 | .hw_free = snd_pcm_lib_free_pages, | |
936 | .pointer = rsnd_pointer, | |
937 | }; | |
938 | ||
170a2497 KM |
939 | /* |
940 | * snd_kcontrol | |
941 | */ | |
942 | #define kcontrol_to_cfg(kctrl) ((struct rsnd_kctrl_cfg *)kctrl->private_value) | |
943 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, | |
944 | struct snd_ctl_elem_info *uinfo) | |
945 | { | |
946 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
947 | ||
948 | if (cfg->texts) { | |
949 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
950 | uinfo->count = cfg->size; | |
951 | uinfo->value.enumerated.items = cfg->max; | |
952 | if (uinfo->value.enumerated.item >= cfg->max) | |
953 | uinfo->value.enumerated.item = cfg->max - 1; | |
954 | strlcpy(uinfo->value.enumerated.name, | |
955 | cfg->texts[uinfo->value.enumerated.item], | |
956 | sizeof(uinfo->value.enumerated.name)); | |
957 | } else { | |
958 | uinfo->count = cfg->size; | |
959 | uinfo->value.integer.min = 0; | |
960 | uinfo->value.integer.max = cfg->max; | |
961 | uinfo->type = (cfg->max == 1) ? | |
962 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
963 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
964 | } | |
965 | ||
966 | return 0; | |
967 | } | |
968 | ||
969 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
970 | struct snd_ctl_elem_value *uc) | |
971 | { | |
972 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
973 | int i; | |
974 | ||
975 | for (i = 0; i < cfg->size; i++) | |
976 | if (cfg->texts) | |
977 | uc->value.enumerated.item[i] = cfg->val[i]; | |
978 | else | |
979 | uc->value.integer.value[i] = cfg->val[i]; | |
980 | ||
981 | return 0; | |
982 | } | |
983 | ||
984 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
985 | struct snd_ctl_elem_value *uc) | |
986 | { | |
987 | struct rsnd_mod *mod = snd_kcontrol_chip(kctrl); | |
988 | struct rsnd_kctrl_cfg *cfg = kcontrol_to_cfg(kctrl); | |
989 | int i, change = 0; | |
990 | ||
991 | for (i = 0; i < cfg->size; i++) { | |
992 | if (cfg->texts) { | |
993 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
994 | cfg->val[i] = uc->value.enumerated.item[i]; | |
995 | } else { | |
996 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
997 | cfg->val[i] = uc->value.integer.value[i]; | |
998 | } | |
999 | } | |
1000 | ||
d7289565 | 1001 | if (change && cfg->update) |
b65a7ccc | 1002 | cfg->update(cfg->io, mod); |
170a2497 KM |
1003 | |
1004 | return change; | |
1005 | } | |
1006 | ||
1007 | static int __rsnd_kctrl_new(struct rsnd_mod *mod, | |
b65a7ccc | 1008 | struct rsnd_dai_stream *io, |
170a2497 KM |
1009 | struct snd_soc_pcm_runtime *rtd, |
1010 | const unsigned char *name, | |
1011 | struct rsnd_kctrl_cfg *cfg, | |
b65a7ccc KM |
1012 | void (*update)(struct rsnd_dai_stream *io, |
1013 | struct rsnd_mod *mod)) | |
170a2497 KM |
1014 | { |
1015 | struct snd_card *card = rtd->card->snd_card; | |
1016 | struct snd_kcontrol *kctrl; | |
1017 | struct snd_kcontrol_new knew = { | |
1018 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1019 | .name = name, | |
1020 | .info = rsnd_kctrl_info, | |
1a497983 | 1021 | .index = rtd->num, |
170a2497 KM |
1022 | .get = rsnd_kctrl_get, |
1023 | .put = rsnd_kctrl_put, | |
1024 | .private_value = (unsigned long)cfg, | |
1025 | }; | |
1026 | int ret; | |
1027 | ||
1028 | kctrl = snd_ctl_new1(&knew, mod); | |
1029 | if (!kctrl) | |
1030 | return -ENOMEM; | |
1031 | ||
1032 | ret = snd_ctl_add(card, kctrl); | |
0ea617a2 | 1033 | if (ret < 0) |
170a2497 KM |
1034 | return ret; |
1035 | ||
1036 | cfg->update = update; | |
d1f83d6e KM |
1037 | cfg->card = card; |
1038 | cfg->kctrl = kctrl; | |
b65a7ccc | 1039 | cfg->io = io; |
170a2497 KM |
1040 | |
1041 | return 0; | |
1042 | } | |
1043 | ||
d1f83d6e KM |
1044 | void _rsnd_kctrl_remove(struct rsnd_kctrl_cfg *cfg) |
1045 | { | |
0af5c01a KM |
1046 | if (cfg->card && cfg->kctrl) |
1047 | snd_ctl_remove(cfg->card, cfg->kctrl); | |
1048 | ||
1049 | cfg->card = NULL; | |
1050 | cfg->kctrl = NULL; | |
d1f83d6e KM |
1051 | } |
1052 | ||
170a2497 | 1053 | int rsnd_kctrl_new_m(struct rsnd_mod *mod, |
b65a7ccc | 1054 | struct rsnd_dai_stream *io, |
170a2497 KM |
1055 | struct snd_soc_pcm_runtime *rtd, |
1056 | const unsigned char *name, | |
b65a7ccc KM |
1057 | void (*update)(struct rsnd_dai_stream *io, |
1058 | struct rsnd_mod *mod), | |
170a2497 | 1059 | struct rsnd_kctrl_cfg_m *_cfg, |
42ab9a79 | 1060 | int ch_size, |
170a2497 KM |
1061 | u32 max) |
1062 | { | |
d2240f0d | 1063 | if (ch_size > RSND_MAX_CHANNELS) |
42ab9a79 KM |
1064 | return -EINVAL; |
1065 | ||
170a2497 | 1066 | _cfg->cfg.max = max; |
42ab9a79 | 1067 | _cfg->cfg.size = ch_size; |
170a2497 | 1068 | _cfg->cfg.val = _cfg->val; |
b65a7ccc | 1069 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1070 | } |
1071 | ||
1072 | int rsnd_kctrl_new_s(struct rsnd_mod *mod, | |
b65a7ccc | 1073 | struct rsnd_dai_stream *io, |
170a2497 KM |
1074 | struct snd_soc_pcm_runtime *rtd, |
1075 | const unsigned char *name, | |
b65a7ccc KM |
1076 | void (*update)(struct rsnd_dai_stream *io, |
1077 | struct rsnd_mod *mod), | |
170a2497 KM |
1078 | struct rsnd_kctrl_cfg_s *_cfg, |
1079 | u32 max) | |
1080 | { | |
1081 | _cfg->cfg.max = max; | |
1082 | _cfg->cfg.size = 1; | |
1083 | _cfg->cfg.val = &_cfg->val; | |
b65a7ccc | 1084 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1085 | } |
1086 | ||
1087 | int rsnd_kctrl_new_e(struct rsnd_mod *mod, | |
b65a7ccc | 1088 | struct rsnd_dai_stream *io, |
170a2497 KM |
1089 | struct snd_soc_pcm_runtime *rtd, |
1090 | const unsigned char *name, | |
1091 | struct rsnd_kctrl_cfg_s *_cfg, | |
b65a7ccc KM |
1092 | void (*update)(struct rsnd_dai_stream *io, |
1093 | struct rsnd_mod *mod), | |
170a2497 KM |
1094 | const char * const *texts, |
1095 | u32 max) | |
1096 | { | |
1097 | _cfg->cfg.max = max; | |
1098 | _cfg->cfg.size = 1; | |
1099 | _cfg->cfg.val = &_cfg->val; | |
1100 | _cfg->cfg.texts = texts; | |
b65a7ccc | 1101 | return __rsnd_kctrl_new(mod, io, rtd, name, &_cfg->cfg, update); |
170a2497 KM |
1102 | } |
1103 | ||
1536a968 KM |
1104 | /* |
1105 | * snd_soc_platform | |
1106 | */ | |
1107 | ||
1108 | #define PREALLOC_BUFFER (32 * 1024) | |
1109 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1110 | ||
1111 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
1112 | { | |
7c63f3c0 KM |
1113 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1114 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1115 | int ret; |
bff58ea4 | 1116 | |
ae11a9be KM |
1117 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1118 | if (ret) | |
1119 | return ret; | |
bff58ea4 | 1120 | |
ae11a9be | 1121 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1122 | if (ret) |
1123 | return ret; | |
bff58ea4 | 1124 | |
1536a968 KM |
1125 | return snd_pcm_lib_preallocate_pages_for_all( |
1126 | rtd->pcm, | |
4821d914 KM |
1127 | SNDRV_DMA_TYPE_CONTINUOUS, |
1128 | snd_dma_continuous_data(GFP_KERNEL), | |
1536a968 KM |
1129 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); |
1130 | } | |
1131 | ||
1536a968 KM |
1132 | static struct snd_soc_platform_driver rsnd_soc_platform = { |
1133 | .ops = &rsnd_pcm_ops, | |
1134 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1135 | }; |
1136 | ||
1137 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1138 | .name = "rsnd", | |
1139 | }; | |
1140 | ||
d3a76823 | 1141 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1142 | struct rsnd_dai_stream *io) |
d3a76823 | 1143 | { |
d3a76823 KM |
1144 | int ret; |
1145 | ||
690602fc | 1146 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1147 | if (ret == -EAGAIN) { |
48d58281 | 1148 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
9b87bfb2 | 1149 | struct rsnd_mod *mod; |
48d58281 KM |
1150 | int i; |
1151 | ||
d3a76823 KM |
1152 | /* |
1153 | * Fallback to PIO mode | |
1154 | */ | |
1155 | ||
1156 | /* | |
1157 | * call "remove" for SSI/SRC/DVC | |
1158 | * SSI will be switch to PIO mode if it was DMA mode | |
1159 | * see | |
1160 | * rsnd_dma_init() | |
97463e19 | 1161 | * rsnd_ssi_fallback() |
d3a76823 | 1162 | */ |
690602fc | 1163 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1164 | |
1165 | /* | |
48d58281 KM |
1166 | * remove all mod from io |
1167 | * and, re connect ssi | |
d3a76823 | 1168 | */ |
9b87bfb2 KM |
1169 | for_each_rsnd_mod(i, mod, io) |
1170 | rsnd_dai_disconnect(mod, io, i); | |
48d58281 | 1171 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); |
d3a76823 | 1172 | |
97463e19 KM |
1173 | /* |
1174 | * fallback | |
1175 | */ | |
690602fc | 1176 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1177 | |
d3a76823 KM |
1178 | /* |
1179 | * retry to "probe". | |
1180 | * DAI has SSI which is PIO mode only now. | |
1181 | */ | |
690602fc | 1182 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1183 | } |
1184 | ||
1185 | return ret; | |
1186 | } | |
1187 | ||
1536a968 KM |
1188 | /* |
1189 | * rsnd probe | |
1190 | */ | |
1191 | static int rsnd_probe(struct platform_device *pdev) | |
1192 | { | |
1536a968 KM |
1193 | struct rsnd_priv *priv; |
1194 | struct device *dev = &pdev->dev; | |
7681f6ac | 1195 | struct rsnd_dai *rdai; |
2ea6b074 | 1196 | int (*probe_func[])(struct rsnd_priv *priv) = { |
d1ac970f | 1197 | rsnd_gen_probe, |
288f392e | 1198 | rsnd_dma_probe, |
d1ac970f | 1199 | rsnd_ssi_probe, |
c7f69ab5 | 1200 | rsnd_ssiu_probe, |
ba9c949f | 1201 | rsnd_src_probe, |
9269e3c3 | 1202 | rsnd_ctu_probe, |
70fb1052 | 1203 | rsnd_mix_probe, |
bff58ea4 | 1204 | rsnd_dvc_probe, |
1b2ca0ad | 1205 | rsnd_cmd_probe, |
d1ac970f KM |
1206 | rsnd_adg_probe, |
1207 | rsnd_dai_probe, | |
1208 | }; | |
1209 | int ret, i; | |
1536a968 | 1210 | |
1536a968 KM |
1211 | /* |
1212 | * init priv data | |
1213 | */ | |
1214 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
1215 | if (!priv) { | |
1216 | dev_err(dev, "priv allocate failed\n"); | |
1217 | return -ENODEV; | |
1218 | } | |
1219 | ||
9f464f8e | 1220 | priv->pdev = pdev; |
6d8044b4 | 1221 | priv->flags = (unsigned long)of_device_get_match_data(dev); |
1536a968 KM |
1222 | spin_lock_init(&priv->lock); |
1223 | ||
1224 | /* | |
1225 | * init each module | |
1226 | */ | |
d1ac970f | 1227 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
2ea6b074 | 1228 | ret = probe_func[i](priv); |
d1ac970f KM |
1229 | if (ret) |
1230 | return ret; | |
1231 | } | |
07539c1d | 1232 | |
7681f6ac | 1233 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1234 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1235 | if (ret) |
d62a3dcd | 1236 | goto exit_snd_probe; |
dfc9403b | 1237 | |
f708d944 | 1238 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1239 | if (ret) |
d62a3dcd | 1240 | goto exit_snd_probe; |
7681f6ac | 1241 | } |
4b4dab82 | 1242 | |
0b1f6ec7 KM |
1243 | dev_set_drvdata(dev, priv); |
1244 | ||
1536a968 KM |
1245 | /* |
1246 | * asoc register | |
1247 | */ | |
1248 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1249 | if (ret < 0) { | |
1250 | dev_err(dev, "cannot snd soc register\n"); | |
1251 | return ret; | |
1252 | } | |
1253 | ||
1254 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1255 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1256 | if (ret < 0) { |
1257 | dev_err(dev, "cannot snd dai register\n"); | |
1258 | goto exit_snd_soc; | |
1259 | } | |
1260 | ||
1536a968 KM |
1261 | pm_runtime_enable(dev); |
1262 | ||
1263 | dev_info(dev, "probed\n"); | |
1264 | return ret; | |
1265 | ||
1266 | exit_snd_soc: | |
1267 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1268 | exit_snd_probe: |
1269 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1270 | rsnd_dai_call(remove, &rdai->playback, priv); |
1271 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1272 | } |
1536a968 KM |
1273 | |
1274 | return ret; | |
1275 | } | |
1276 | ||
1277 | static int rsnd_remove(struct platform_device *pdev) | |
1278 | { | |
1279 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1280 | struct rsnd_dai *rdai; |
2ea6b074 | 1281 | void (*remove_func[])(struct rsnd_priv *priv) = { |
2f78dd7f | 1282 | rsnd_ssi_remove, |
c7f69ab5 | 1283 | rsnd_ssiu_remove, |
2f78dd7f | 1284 | rsnd_src_remove, |
9269e3c3 | 1285 | rsnd_ctu_remove, |
70fb1052 | 1286 | rsnd_mix_remove, |
2f78dd7f | 1287 | rsnd_dvc_remove, |
1b2ca0ad | 1288 | rsnd_cmd_remove, |
68a55024 | 1289 | rsnd_adg_remove, |
2f78dd7f | 1290 | }; |
d62a3dcd | 1291 | int ret = 0, i; |
1536a968 KM |
1292 | |
1293 | pm_runtime_disable(&pdev->dev); | |
1294 | ||
7681f6ac | 1295 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1296 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1297 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1298 | } |
1536a968 | 1299 | |
2f78dd7f | 1300 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
2ea6b074 | 1301 | remove_func[i](priv); |
2f78dd7f | 1302 | |
d7c42ff8 KM |
1303 | snd_soc_unregister_component(&pdev->dev); |
1304 | snd_soc_unregister_platform(&pdev->dev); | |
1305 | ||
d62a3dcd | 1306 | return ret; |
1536a968 KM |
1307 | } |
1308 | ||
c2d31718 KM |
1309 | static int rsnd_suspend(struct device *dev) |
1310 | { | |
1311 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1312 | ||
1313 | rsnd_adg_clk_disable(priv); | |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | ||
1318 | static int rsnd_resume(struct device *dev) | |
1319 | { | |
1320 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1321 | ||
1322 | rsnd_adg_clk_enable(priv); | |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | static struct dev_pm_ops rsnd_pm_ops = { | |
1328 | .suspend = rsnd_suspend, | |
1329 | .resume = rsnd_resume, | |
1330 | }; | |
1331 | ||
1536a968 KM |
1332 | static struct platform_driver rsnd_driver = { |
1333 | .driver = { | |
1334 | .name = "rcar_sound", | |
c2d31718 | 1335 | .pm = &rsnd_pm_ops, |
90e8e50f | 1336 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1337 | }, |
1338 | .probe = rsnd_probe, | |
1339 | .remove = rsnd_remove, | |
1340 | }; | |
1341 | module_platform_driver(rsnd_driver); | |
1342 | ||
1343 | MODULE_LICENSE("GPL"); | |
1344 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1345 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1346 | MODULE_ALIAS("platform:rcar-pcm-audio"); |