]>
Commit | Line | Data |
---|---|---|
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 | ||
9b99e9a7 KM |
124 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
125 | struct rsnd_mod *mod) | |
d9288d0b | 126 | { |
72adc61f KM |
127 | if (!mod || !mod->ops || !mod->ops->dma_req) |
128 | return NULL; | |
d9288d0b | 129 | |
9b99e9a7 | 130 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
131 | } |
132 | ||
5ba17b42 KM |
133 | u32 *rsnd_mod_get_status(struct rsnd_dai_stream *io, |
134 | struct rsnd_mod *mod, | |
135 | enum rsnd_mod_type type) | |
136 | { | |
137 | return &mod->status; | |
138 | } | |
139 | ||
2099bc8e KM |
140 | int rsnd_mod_init(struct rsnd_priv *priv, |
141 | struct rsnd_mod *mod, | |
5ba17b42 KM |
142 | struct rsnd_mod_ops *ops, |
143 | struct clk *clk, | |
144 | u32* (*get_status)(struct rsnd_dai_stream *io, | |
145 | struct rsnd_mod *mod, | |
146 | enum rsnd_mod_type type), | |
147 | enum rsnd_mod_type type, | |
148 | int id) | |
cdaa3cdf | 149 | { |
2f78dd7f KM |
150 | int ret = clk_prepare(clk); |
151 | ||
152 | if (ret) | |
153 | return ret; | |
154 | ||
cdaa3cdf KM |
155 | mod->id = id; |
156 | mod->ops = ops; | |
a126021d | 157 | mod->type = type; |
85642952 | 158 | mod->clk = clk; |
2099bc8e | 159 | mod->priv = priv; |
5ba17b42 | 160 | mod->get_status = get_status; |
2f78dd7f KM |
161 | |
162 | return ret; | |
163 | } | |
164 | ||
165 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
166 | { | |
ed3ac14c | 167 | clk_unprepare(mod->clk); |
ea96380b | 168 | mod->clk = NULL; |
cdaa3cdf KM |
169 | } |
170 | ||
f501b7a4 KM |
171 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
172 | void (*callback)(struct rsnd_mod *mod, | |
173 | struct rsnd_dai_stream *io)) | |
174 | { | |
175 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
176 | struct rsnd_dai_stream *io; | |
177 | struct rsnd_dai *rdai; | |
2daf71ad | 178 | int i; |
f501b7a4 | 179 | |
2daf71ad KM |
180 | for_each_rsnd_dai(rdai, priv, i) { |
181 | io = &rdai->playback; | |
182 | if (mod == io->mod[mod->type]) | |
183 | callback(mod, io); | |
f501b7a4 | 184 | |
2daf71ad KM |
185 | io = &rdai->capture; |
186 | if (mod == io->mod[mod->type]) | |
187 | callback(mod, io); | |
f501b7a4 KM |
188 | } |
189 | } | |
190 | ||
d5bbe7de | 191 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 192 | { |
02299d98 | 193 | /* see rsnd_dai_stream_init/quit() */ |
8fce974b KM |
194 | if (io->substream) |
195 | return snd_pcm_running(io->substream); | |
196 | ||
197 | return 0; | |
02299d98 KM |
198 | } |
199 | ||
b2fb31bb KM |
200 | int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io, |
201 | struct snd_pcm_hw_params *params) | |
8ec85e7f | 202 | { |
5858a7d1 | 203 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
b4c83b17 | 204 | |
b2fb31bb KM |
205 | /* |
206 | * params will be added when refine | |
207 | * see | |
208 | * __rsnd_soc_hw_rule_rate() | |
209 | * __rsnd_soc_hw_rule_channels() | |
210 | */ | |
211 | if (params) | |
212 | return params_channels(params); | |
213 | else | |
214 | return runtime->channels; | |
eed76bb8 KM |
215 | } |
216 | ||
b2fb31bb KM |
217 | int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io, |
218 | struct snd_pcm_hw_params *params) | |
eed76bb8 | 219 | { |
b2fb31bb | 220 | int chan = rsnd_runtime_channel_original_with_params(io, params); |
eed76bb8 KM |
221 | struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io); |
222 | ||
223 | if (ctu_mod) { | |
224 | u32 converted_chan = rsnd_ctu_converted_channel(ctu_mod); | |
225 | ||
226 | if (converted_chan) | |
227 | return converted_chan; | |
228 | } | |
229 | ||
230 | return chan; | |
231 | } | |
232 | ||
b2fb31bb KM |
233 | int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io, |
234 | struct snd_pcm_hw_params *params) | |
eed76bb8 | 235 | { |
1ff9593d | 236 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
eed76bb8 | 237 | int chan = rsnd_io_is_play(io) ? |
b2fb31bb KM |
238 | rsnd_runtime_channel_after_ctu_with_params(io, params) : |
239 | rsnd_runtime_channel_original_with_params(io, params); | |
eed76bb8 KM |
240 | |
241 | /* Use Multi SSI */ | |
242 | if (rsnd_runtime_is_ssi_multi(io)) | |
1ff9593d | 243 | chan /= rsnd_rdai_ssi_lane_get(rdai); |
8ec85e7f KM |
244 | |
245 | /* TDM Extend Mode needs 8ch */ | |
246 | if (chan == 6) | |
247 | chan = 8; | |
248 | ||
249 | return chan; | |
250 | } | |
251 | ||
eed76bb8 KM |
252 | int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io) |
253 | { | |
1ff9593d KM |
254 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
255 | int lane = rsnd_rdai_ssi_lane_get(rdai); | |
eed76bb8 KM |
256 | int chan = rsnd_io_is_play(io) ? |
257 | rsnd_runtime_channel_after_ctu(io) : | |
258 | rsnd_runtime_channel_original(io); | |
259 | ||
1ff9593d | 260 | return (chan > 2) && (lane > 1); |
eed76bb8 KM |
261 | } |
262 | ||
263 | int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io) | |
264 | { | |
265 | return rsnd_runtime_channel_for_ssi(io) >= 6; | |
266 | } | |
267 | ||
d7bdbc5d | 268 | /* |
3023b384 | 269 | * ADINR function |
d7bdbc5d | 270 | */ |
3023b384 | 271 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
272 | { |
273 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
274 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
275 | struct device *dev = rsnd_priv_to_dev(priv); | |
d7bdbc5d | 276 | |
41acc8ec | 277 | switch (snd_pcm_format_width(runtime->format)) { |
d7bdbc5d | 278 | case 16: |
5e7b9edd | 279 | return 8 << 16; |
41acc8ec | 280 | case 24: |
5e7b9edd | 281 | return 0 << 16; |
d7bdbc5d KM |
282 | } |
283 | ||
5e7b9edd KM |
284 | dev_warn(dev, "not supported sample bits\n"); |
285 | ||
286 | return 0; | |
d7bdbc5d KM |
287 | } |
288 | ||
4689032b KM |
289 | /* |
290 | * DALIGN function | |
291 | */ | |
292 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
293 | { | |
3ce2959d | 294 | struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io); |
a504b1ee | 295 | struct rsnd_mod *target; |
4689032b | 296 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
4689032b | 297 | |
8cce431a | 298 | /* |
a914e446 KM |
299 | * *Hardware* L/R and *Software* L/R are inverted for 16bit data. |
300 | * 31..16 15...0 | |
301 | * HW: [L ch] [R ch] | |
302 | * SW: [R ch] [L ch] | |
8cce431a KM |
303 | * We need to care about inversion timing to control |
304 | * Playback/Capture correctly. | |
305 | * The point is [DVC] needs *Hardware* L/R, [MEM] needs *Software* L/R | |
306 | * | |
307 | * sL/R : software L/R | |
308 | * hL/R : hardware L/R | |
309 | * (*) : conversion timing | |
310 | * | |
311 | * Playback | |
312 | * sL/R (*) hL/R hL/R hL/R hL/R hL/R | |
313 | * [MEM] -> [SRC] -> [DVC] -> [CMD] -> [SSIU] -> [SSI] -> codec | |
314 | * | |
315 | * Capture | |
316 | * hL/R hL/R hL/R hL/R hL/R (*) sL/R | |
317 | * codec -> [SSI] -> [SSIU] -> [SRC] -> [DVC] -> [CMD] -> [MEM] | |
318 | */ | |
a504b1ee KM |
319 | if (rsnd_io_is_play(io)) { |
320 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
321 | ||
3ce2959d | 322 | target = src ? src : ssiu; |
a504b1ee KM |
323 | } else { |
324 | struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io); | |
325 | ||
3ce2959d | 326 | target = cmd ? cmd : ssiu; |
a504b1ee KM |
327 | } |
328 | ||
a914e446 | 329 | /* Non target mod or 24bit data needs normal DALIGN */ |
41acc8ec | 330 | if ((snd_pcm_format_width(runtime->format) != 16) || |
a914e446 | 331 | (mod != target)) |
4689032b | 332 | return 0x76543210; |
a914e446 KM |
333 | /* Target mod needs inverted DALIGN when 16bit */ |
334 | else | |
335 | return 0x67452301; | |
4689032b KM |
336 | } |
337 | ||
90431eb4 KM |
338 | u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod) |
339 | { | |
340 | enum rsnd_mod_type playback_mods[] = { | |
341 | RSND_MOD_SRC, | |
342 | RSND_MOD_CMD, | |
343 | RSND_MOD_SSIU, | |
344 | }; | |
345 | enum rsnd_mod_type capture_mods[] = { | |
346 | RSND_MOD_CMD, | |
347 | RSND_MOD_SRC, | |
348 | RSND_MOD_SSIU, | |
349 | }; | |
350 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
351 | struct rsnd_mod *tmod = NULL; | |
352 | enum rsnd_mod_type *mods = | |
353 | rsnd_io_is_play(io) ? | |
354 | playback_mods : capture_mods; | |
355 | int i; | |
356 | ||
357 | /* | |
358 | * This is needed for 24bit data | |
359 | * We need to shift 8bit | |
360 | * | |
361 | * Linux 24bit data is located as 0x00****** | |
362 | * HW 24bit data is located as 0x******00 | |
363 | * | |
364 | */ | |
41acc8ec | 365 | if (snd_pcm_format_width(runtime->format) == 16) |
90431eb4 | 366 | return 0; |
90431eb4 KM |
367 | |
368 | for (i = 0; i < ARRAY_SIZE(playback_mods); i++) { | |
369 | tmod = rsnd_io_to_mod(io, mods[i]); | |
370 | if (tmod) | |
371 | break; | |
372 | } | |
373 | ||
374 | if (tmod != mod) | |
375 | return 0; | |
376 | ||
377 | if (rsnd_io_is_play(io)) | |
378 | return (0 << 20) | /* shift to Left */ | |
379 | (8 << 16); /* 8bit */ | |
380 | else | |
381 | return (1 << 20) | /* shift to Right */ | |
382 | (8 << 16); /* 8bit */ | |
383 | } | |
384 | ||
1536a968 KM |
385 | /* |
386 | * rsnd_dai functions | |
387 | */ | |
b3ca3fbe KM |
388 | struct rsnd_mod *rsnd_mod_next(int *iterator, |
389 | struct rsnd_dai_stream *io, | |
390 | enum rsnd_mod_type *array, | |
391 | int array_size) | |
392 | { | |
393 | struct rsnd_mod *mod; | |
394 | enum rsnd_mod_type type; | |
395 | int max = array ? array_size : RSND_MOD_MAX; | |
396 | ||
397 | for (; *iterator < max; (*iterator)++) { | |
398 | type = (array) ? array[*iterator] : *iterator; | |
138f8786 | 399 | mod = rsnd_io_to_mod(io, type); |
b12f1e3a KM |
400 | if (mod) |
401 | return mod; | |
b3ca3fbe KM |
402 | } |
403 | ||
404 | return NULL; | |
405 | } | |
406 | ||
38587f4c KM |
407 | static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = { |
408 | { | |
409 | /* CAPTURE */ | |
410 | RSND_MOD_AUDMAPP, | |
411 | RSND_MOD_AUDMA, | |
412 | RSND_MOD_DVC, | |
413 | RSND_MOD_MIX, | |
414 | RSND_MOD_CTU, | |
415 | RSND_MOD_CMD, | |
416 | RSND_MOD_SRC, | |
417 | RSND_MOD_SSIU, | |
418 | RSND_MOD_SSIM3, | |
419 | RSND_MOD_SSIM2, | |
420 | RSND_MOD_SSIM1, | |
421 | RSND_MOD_SSIP, | |
422 | RSND_MOD_SSI, | |
423 | }, { | |
424 | /* PLAYBACK */ | |
425 | RSND_MOD_AUDMAPP, | |
426 | RSND_MOD_AUDMA, | |
427 | RSND_MOD_SSIM3, | |
428 | RSND_MOD_SSIM2, | |
429 | RSND_MOD_SSIM1, | |
430 | RSND_MOD_SSIP, | |
431 | RSND_MOD_SSI, | |
432 | RSND_MOD_SSIU, | |
433 | RSND_MOD_DVC, | |
434 | RSND_MOD_MIX, | |
435 | RSND_MOD_CTU, | |
436 | RSND_MOD_CMD, | |
437 | RSND_MOD_SRC, | |
438 | }, | |
439 | }; | |
440 | ||
5f222a29 KM |
441 | static int rsnd_status_update(u32 *status, |
442 | int shift, int add, int timing) | |
443 | { | |
444 | u32 mask = 0xF << shift; | |
445 | u8 val = (*status >> shift) & 0xF; | |
446 | u8 next_val = (val + add) & 0xF; | |
447 | int func_call = (val == timing); | |
448 | ||
449 | if (next_val == 0xF) /* underflow case */ | |
450 | func_call = 0; | |
451 | else | |
452 | *status = (*status & ~mask) + (next_val << shift); | |
453 | ||
454 | return func_call; | |
455 | } | |
456 | ||
457 | #define rsnd_dai_call(fn, io, param...) \ | |
458 | ({ \ | |
f30b4ca4 | 459 | struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io)); \ |
5f222a29 KM |
460 | struct rsnd_mod *mod; \ |
461 | int is_play = rsnd_io_is_play(io); \ | |
462 | int ret = 0, i; \ | |
463 | enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \ | |
464 | for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \ | |
465 | int tmp = 0; \ | |
466 | u32 *status = mod->get_status(io, mod, types[i]); \ | |
467 | int func_call = rsnd_status_update(status, \ | |
468 | __rsnd_mod_shift_##fn, \ | |
469 | __rsnd_mod_add_##fn, \ | |
470 | __rsnd_mod_call_##fn); \ | |
471 | dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ | |
472 | rsnd_mod_name(mod), rsnd_mod_id(mod), *status, \ | |
473 | (func_call && (mod)->ops->fn) ? #fn : ""); \ | |
474 | if (func_call && (mod)->ops->fn) \ | |
475 | tmp = (mod)->ops->fn(mod, io, param); \ | |
476 | if (tmp) \ | |
477 | dev_err(dev, "%s[%d] : %s error %d\n", \ | |
478 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
479 | #fn, tmp); \ | |
480 | ret |= tmp; \ | |
481 | } \ | |
482 | ret; \ | |
cdaa3cdf KM |
483 | }) |
484 | ||
27924f32 KM |
485 | int rsnd_dai_connect(struct rsnd_mod *mod, |
486 | struct rsnd_dai_stream *io, | |
487 | enum rsnd_mod_type type) | |
cdaa3cdf | 488 | { |
48725e9c KM |
489 | struct rsnd_priv *priv; |
490 | struct device *dev; | |
84e95355 | 491 | |
6020779b | 492 | if (!mod) |
cdaa3cdf | 493 | return -EIO; |
cdaa3cdf | 494 | |
bfa3119c KM |
495 | if (io->mod[type] == mod) |
496 | return 0; | |
497 | ||
52dc6852 KM |
498 | if (io->mod[type]) |
499 | return -EINVAL; | |
500 | ||
48725e9c KM |
501 | priv = rsnd_mod_to_priv(mod); |
502 | dev = rsnd_priv_to_dev(priv); | |
503 | ||
27924f32 | 504 | io->mod[type] = mod; |
cdaa3cdf | 505 | |
84e95355 KM |
506 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
507 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
508 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
509 | ||
cdaa3cdf KM |
510 | return 0; |
511 | } | |
512 | ||
d3a76823 | 513 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
514 | struct rsnd_dai_stream *io, |
515 | enum rsnd_mod_type type) | |
d3a76823 | 516 | { |
27924f32 | 517 | io->mod[type] = NULL; |
d3a76823 KM |
518 | } |
519 | ||
1ff9593d KM |
520 | int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai, |
521 | int max_channels) | |
522 | { | |
523 | if (max_channels > 0) | |
524 | rdai->max_channels = max_channels; | |
525 | ||
526 | return rdai->max_channels; | |
527 | } | |
528 | ||
529 | int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai, | |
530 | int ssi_lane) | |
531 | { | |
532 | if (ssi_lane > 0) | |
533 | rdai->ssi_lane = ssi_lane; | |
534 | ||
535 | return rdai->ssi_lane; | |
536 | } | |
537 | ||
710d0889 | 538 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 539 | { |
ecba9e72 | 540 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
541 | return NULL; |
542 | ||
1536a968 KM |
543 | return priv->rdai + id; |
544 | } | |
545 | ||
eb2535f5 | 546 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
547 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
548 | { | |
eb2535f5 | 549 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 550 | |
710d0889 | 551 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
552 | } |
553 | ||
1536a968 KM |
554 | /* |
555 | * rsnd_soc_dai functions | |
556 | */ | |
75defee0 KM |
557 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) |
558 | { | |
559 | struct snd_pcm_substream *substream = io->substream; | |
560 | ||
561 | /* | |
562 | * this function should be called... | |
563 | * | |
564 | * - if rsnd_dai_pointer_update() returns true | |
565 | * - without spin lock | |
566 | */ | |
567 | ||
568 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
569 | } |
570 | ||
5626ad08 | 571 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
572 | struct snd_pcm_substream *substream) |
573 | { | |
1536a968 | 574 | io->substream = substream; |
5626ad08 | 575 | } |
1536a968 | 576 | |
5626ad08 KM |
577 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
578 | { | |
579 | io->substream = NULL; | |
1536a968 KM |
580 | } |
581 | ||
582 | static | |
583 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
584 | { | |
585 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
586 | ||
587 | return rtd->cpu_dai; | |
588 | } | |
589 | ||
590 | static | |
591 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
592 | struct snd_pcm_substream *substream) | |
593 | { | |
594 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
595 | return &rdai->playback; | |
596 | else | |
597 | return &rdai->capture; | |
598 | } | |
599 | ||
600 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
601 | struct snd_soc_dai *dai) | |
602 | { | |
eb2535f5 | 603 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
604 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
605 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1536a968 KM |
606 | int ret; |
607 | unsigned long flags; | |
608 | ||
02299d98 | 609 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
610 | |
611 | switch (cmd) { | |
612 | case SNDRV_PCM_TRIGGER_START: | |
4b9c75ea | 613 | case SNDRV_PCM_TRIGGER_RESUME: |
690602fc | 614 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
615 | if (ret < 0) |
616 | goto dai_trigger_end; | |
617 | ||
690602fc | 618 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
619 | if (ret < 0) |
620 | goto dai_trigger_end; | |
b5b442ab KM |
621 | |
622 | ret = rsnd_dai_call(irq, io, priv, 1); | |
623 | if (ret < 0) | |
624 | goto dai_trigger_end; | |
625 | ||
1536a968 KM |
626 | break; |
627 | case SNDRV_PCM_TRIGGER_STOP: | |
4b9c75ea | 628 | case SNDRV_PCM_TRIGGER_SUSPEND: |
b5b442ab KM |
629 | ret = rsnd_dai_call(irq, io, priv, 0); |
630 | ||
631 | ret |= rsnd_dai_call(stop, io, priv); | |
cdaa3cdf | 632 | |
89e3e2c3 | 633 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 634 | |
1536a968 KM |
635 | break; |
636 | default: | |
637 | ret = -EINVAL; | |
638 | } | |
639 | ||
640 | dai_trigger_end: | |
02299d98 | 641 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
642 | |
643 | return ret; | |
644 | } | |
645 | ||
646 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
647 | { | |
648 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
649 | ||
650 | /* set master/slave audio interface */ | |
651 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
652 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 653 | rdai->clk_master = 0; |
1536a968 KM |
654 | break; |
655 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 656 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
657 | break; |
658 | default: | |
659 | return -EINVAL; | |
660 | } | |
661 | ||
1536a968 KM |
662 | /* set format */ |
663 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
664 | case SND_SOC_DAIFMT_I2S: | |
665 | rdai->sys_delay = 0; | |
666 | rdai->data_alignment = 0; | |
1a7889ca | 667 | rdai->frm_clk_inv = 0; |
1536a968 KM |
668 | break; |
669 | case SND_SOC_DAIFMT_LEFT_J: | |
670 | rdai->sys_delay = 1; | |
671 | rdai->data_alignment = 0; | |
1a7889ca | 672 | rdai->frm_clk_inv = 1; |
1536a968 KM |
673 | break; |
674 | case SND_SOC_DAIFMT_RIGHT_J: | |
675 | rdai->sys_delay = 1; | |
676 | rdai->data_alignment = 1; | |
1a7889ca KM |
677 | rdai->frm_clk_inv = 1; |
678 | break; | |
679 | } | |
680 | ||
681 | /* set clock inversion */ | |
682 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
683 | case SND_SOC_DAIFMT_NB_IF: | |
1a7889ca KM |
684 | rdai->frm_clk_inv = !rdai->frm_clk_inv; |
685 | break; | |
686 | case SND_SOC_DAIFMT_IB_NF: | |
687 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
1a7889ca KM |
688 | break; |
689 | case SND_SOC_DAIFMT_IB_IF: | |
690 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
691 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
692 | break; | |
693 | case SND_SOC_DAIFMT_NB_NF: | |
694 | default: | |
1536a968 KM |
695 | break; |
696 | } | |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
186fadc1 KM |
701 | static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, |
702 | u32 tx_mask, u32 rx_mask, | |
703 | int slots, int slot_width) | |
704 | { | |
705 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
706 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
707 | struct device *dev = rsnd_priv_to_dev(priv); | |
708 | ||
709 | switch (slots) { | |
8cc03722 | 710 | case 2: |
186fadc1 | 711 | case 6: |
8cc03722 | 712 | case 8: |
186fadc1 | 713 | /* TDM Extend Mode */ |
1ff9593d KM |
714 | rsnd_rdai_channels_set(rdai, slots); |
715 | rsnd_rdai_ssi_lane_set(rdai, 1); | |
186fadc1 KM |
716 | break; |
717 | default: | |
718 | dev_err(dev, "unsupported TDM slots (%d)\n", slots); | |
719 | return -EINVAL; | |
720 | } | |
721 | ||
722 | return 0; | |
723 | } | |
724 | ||
8cc03722 | 725 | static unsigned int rsnd_soc_hw_channels_list[] = { |
29d03ff5 | 726 | 2, 6, 8, |
8cc03722 KM |
727 | }; |
728 | ||
729 | static unsigned int rsnd_soc_hw_rate_list[] = { | |
730 | 8000, | |
731 | 11025, | |
732 | 16000, | |
733 | 22050, | |
734 | 32000, | |
735 | 44100, | |
736 | 48000, | |
737 | 64000, | |
738 | 88200, | |
739 | 96000, | |
740 | 176400, | |
741 | 192000, | |
742 | }; | |
743 | ||
744 | static int rsnd_soc_hw_rule(struct rsnd_priv *priv, | |
745 | unsigned int *list, int list_num, | |
746 | struct snd_interval *baseline, struct snd_interval *iv) | |
747 | { | |
748 | struct snd_interval p; | |
947f4eb5 | 749 | unsigned int rate; |
8cc03722 KM |
750 | int i; |
751 | ||
752 | snd_interval_any(&p); | |
753 | p.min = UINT_MAX; | |
754 | p.max = 0; | |
755 | ||
756 | for (i = 0; i < list_num; i++) { | |
757 | ||
758 | if (!snd_interval_test(iv, list[i])) | |
759 | continue; | |
760 | ||
761 | rate = rsnd_ssi_clk_query(priv, | |
762 | baseline->min, list[i], NULL); | |
763 | if (rate > 0) { | |
764 | p.min = min(p.min, list[i]); | |
765 | p.max = max(p.max, list[i]); | |
766 | } | |
767 | ||
768 | rate = rsnd_ssi_clk_query(priv, | |
769 | baseline->max, list[i], NULL); | |
770 | if (rate > 0) { | |
771 | p.min = min(p.min, list[i]); | |
772 | p.max = max(p.max, list[i]); | |
773 | } | |
774 | } | |
775 | ||
776 | return snd_interval_refine(iv, &p); | |
777 | } | |
778 | ||
b2fb31bb KM |
779 | static int __rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params, |
780 | struct snd_pcm_hw_rule *rule, | |
781 | int is_play) | |
8cc03722 KM |
782 | { |
783 | struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); | |
784 | struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
785 | struct snd_interval ic; | |
786 | struct snd_soc_dai *dai = rule->private; | |
787 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
788 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
b2fb31bb | 789 | struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture; |
8cc03722 KM |
790 | |
791 | /* | |
792 | * possible sampling rate limitation is same as | |
793 | * 2ch if it supports multi ssi | |
b2fb31bb | 794 | * and same as 8ch if TDM 6ch (see rsnd_ssi_config_init()) |
8cc03722 KM |
795 | */ |
796 | ic = *ic_; | |
b2fb31bb KM |
797 | ic.min = |
798 | ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params); | |
8cc03722 KM |
799 | |
800 | return rsnd_soc_hw_rule(priv, rsnd_soc_hw_rate_list, | |
801 | ARRAY_SIZE(rsnd_soc_hw_rate_list), | |
802 | &ic, ir); | |
803 | } | |
804 | ||
b2fb31bb KM |
805 | static int rsnd_soc_hw_rule_rate_playback(struct snd_pcm_hw_params *params, |
806 | struct snd_pcm_hw_rule *rule) | |
807 | { | |
808 | return __rsnd_soc_hw_rule_rate(params, rule, 1); | |
809 | } | |
810 | ||
811 | static int rsnd_soc_hw_rule_rate_capture(struct snd_pcm_hw_params *params, | |
812 | struct snd_pcm_hw_rule *rule) | |
813 | { | |
814 | return __rsnd_soc_hw_rule_rate(params, rule, 0); | |
815 | } | |
8cc03722 | 816 | |
b2fb31bb KM |
817 | static int __rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params, |
818 | struct snd_pcm_hw_rule *rule, | |
819 | int is_play) | |
8cc03722 KM |
820 | { |
821 | struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); | |
822 | struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
823 | struct snd_interval ic; | |
824 | struct snd_soc_dai *dai = rule->private; | |
825 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
826 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
b2fb31bb | 827 | struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture; |
8cc03722 KM |
828 | |
829 | /* | |
830 | * possible sampling rate limitation is same as | |
831 | * 2ch if it supports multi ssi | |
b2fb31bb | 832 | * and same as 8ch if TDM 6ch (see rsnd_ssi_config_init()) |
8cc03722 KM |
833 | */ |
834 | ic = *ic_; | |
b2fb31bb KM |
835 | ic.min = |
836 | ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params); | |
8cc03722 KM |
837 | |
838 | return rsnd_soc_hw_rule(priv, rsnd_soc_hw_channels_list, | |
839 | ARRAY_SIZE(rsnd_soc_hw_channels_list), | |
840 | ir, &ic); | |
841 | } | |
842 | ||
b2fb31bb KM |
843 | static int rsnd_soc_hw_rule_channels_playback(struct snd_pcm_hw_params *params, |
844 | struct snd_pcm_hw_rule *rule) | |
845 | { | |
846 | return __rsnd_soc_hw_rule_channels(params, rule, 1); | |
847 | } | |
848 | ||
849 | static int rsnd_soc_hw_rule_channels_capture(struct snd_pcm_hw_params *params, | |
850 | struct snd_pcm_hw_rule *rule) | |
851 | { | |
852 | return __rsnd_soc_hw_rule_channels(params, rule, 0); | |
853 | } | |
854 | ||
5c2e035e | 855 | static const struct snd_pcm_hardware rsnd_pcm_hardware = { |
3c9736aa KM |
856 | .info = SNDRV_PCM_INFO_INTERLEAVED | |
857 | SNDRV_PCM_INFO_MMAP | | |
858 | SNDRV_PCM_INFO_MMAP_VALID, | |
859 | .buffer_bytes_max = 64 * 1024, | |
860 | .period_bytes_min = 32, | |
861 | .period_bytes_max = 8192, | |
862 | .periods_min = 1, | |
863 | .periods_max = 32, | |
864 | .fifo_size = 256, | |
865 | }; | |
866 | ||
867 | static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream, | |
868 | struct snd_soc_dai *dai) | |
8cc03722 KM |
869 | { |
870 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
3c9736aa KM |
871 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); |
872 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
8cc03722 | 873 | struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint; |
3c9736aa | 874 | struct snd_pcm_runtime *runtime = substream->runtime; |
8cc03722 | 875 | unsigned int max_channels = rsnd_rdai_channels_get(rdai); |
3c9736aa | 876 | int ret; |
8cc03722 KM |
877 | int i; |
878 | ||
b2fb31bb KM |
879 | rsnd_dai_stream_init(io, substream); |
880 | ||
8cc03722 KM |
881 | /* |
882 | * Channel Limitation | |
883 | * It depends on Platform design | |
884 | */ | |
885 | constraint->list = rsnd_soc_hw_channels_list; | |
886 | constraint->count = 0; | |
887 | constraint->mask = 0; | |
888 | ||
889 | for (i = 0; i < ARRAY_SIZE(rsnd_soc_hw_channels_list); i++) { | |
890 | if (rsnd_soc_hw_channels_list[i] > max_channels) | |
891 | break; | |
892 | constraint->count = i + 1; | |
893 | } | |
894 | ||
3c9736aa KM |
895 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); |
896 | ||
8cc03722 KM |
897 | snd_pcm_hw_constraint_list(runtime, 0, |
898 | SNDRV_PCM_HW_PARAM_CHANNELS, constraint); | |
899 | ||
3c9736aa KM |
900 | snd_pcm_hw_constraint_integer(runtime, |
901 | SNDRV_PCM_HW_PARAM_PERIODS); | |
902 | ||
8cc03722 KM |
903 | /* |
904 | * Sampling Rate / Channel Limitation | |
905 | * It depends on Clock Master Mode | |
906 | */ | |
3c9736aa | 907 | if (rsnd_rdai_is_clk_master(rdai)) { |
b2fb31bb KM |
908 | int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; |
909 | ||
3c9736aa | 910 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
b2fb31bb KM |
911 | is_play ? rsnd_soc_hw_rule_rate_playback : |
912 | rsnd_soc_hw_rule_rate_capture, | |
913 | dai, | |
3c9736aa KM |
914 | SNDRV_PCM_HW_PARAM_CHANNELS, -1); |
915 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, | |
b2fb31bb KM |
916 | is_play ? rsnd_soc_hw_rule_channels_playback : |
917 | rsnd_soc_hw_rule_channels_capture, | |
918 | dai, | |
3c9736aa KM |
919 | SNDRV_PCM_HW_PARAM_RATE, -1); |
920 | } | |
8cc03722 | 921 | |
10a9cca1 KM |
922 | /* |
923 | * call rsnd_dai_call without spinlock | |
924 | */ | |
2adcea7e KM |
925 | ret = rsnd_dai_call(nolock_start, io, priv); |
926 | if (ret < 0) | |
927 | rsnd_dai_call(nolock_stop, io, priv); | |
928 | ||
929 | return ret; | |
10a9cca1 KM |
930 | } |
931 | ||
932 | static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream, | |
933 | struct snd_soc_dai *dai) | |
934 | { | |
935 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
f30b4ca4 | 936 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); |
10a9cca1 KM |
937 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); |
938 | ||
939 | /* | |
940 | * call rsnd_dai_call without spinlock | |
941 | */ | |
942 | rsnd_dai_call(nolock_stop, io, priv); | |
b2fb31bb KM |
943 | |
944 | rsnd_dai_stream_quit(io); | |
10a9cca1 KM |
945 | } |
946 | ||
1536a968 | 947 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
10a9cca1 KM |
948 | .startup = rsnd_soc_dai_startup, |
949 | .shutdown = rsnd_soc_dai_shutdown, | |
1536a968 KM |
950 | .trigger = rsnd_soc_dai_trigger, |
951 | .set_fmt = rsnd_soc_dai_set_fmt, | |
186fadc1 | 952 | .set_tdm_slot = rsnd_soc_set_dai_tdm_slot, |
1536a968 KM |
953 | }; |
954 | ||
89b66174 KM |
955 | void rsnd_parse_connect_common(struct rsnd_dai *rdai, |
956 | struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), | |
957 | struct device_node *node, | |
958 | struct device_node *playback, | |
959 | struct device_node *capture) | |
960 | { | |
961 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
962 | struct device_node *np; | |
963 | struct rsnd_mod *mod; | |
964 | int i; | |
965 | ||
966 | if (!node) | |
967 | return; | |
968 | ||
969 | i = 0; | |
970 | for_each_child_of_node(node, np) { | |
971 | mod = mod_get(priv, i); | |
972 | if (np == playback) | |
973 | rsnd_dai_connect(mod, &rdai->playback, mod->type); | |
974 | if (np == capture) | |
975 | rsnd_dai_connect(mod, &rdai->capture, mod->type); | |
976 | i++; | |
977 | } | |
978 | ||
979 | of_node_put(node); | |
980 | } | |
981 | ||
11d0f8ed KM |
982 | static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv, |
983 | int *is_graph) | |
984 | { | |
985 | struct device *dev = rsnd_priv_to_dev(priv); | |
986 | struct device_node *np = dev->of_node; | |
987 | struct device_node *dai_node; | |
988 | struct device_node *ret; | |
989 | ||
990 | *is_graph = 0; | |
991 | ||
992 | /* | |
993 | * parse both previous dai (= rcar_sound,dai), and | |
994 | * graph dai (= ports/port) | |
995 | */ | |
996 | dai_node = of_get_child_by_name(np, RSND_NODE_DAI); | |
997 | if (dai_node) { | |
998 | ret = dai_node; | |
999 | goto of_node_compatible; | |
1000 | } | |
1001 | ||
1002 | ret = np; | |
1003 | ||
1004 | dai_node = of_graph_get_next_endpoint(np, NULL); | |
1005 | if (dai_node) | |
1006 | goto of_node_graph; | |
1007 | ||
1008 | return NULL; | |
1009 | ||
1010 | of_node_graph: | |
1011 | *is_graph = 1; | |
1012 | of_node_compatible: | |
1013 | of_node_put(dai_node); | |
1014 | ||
1015 | return ret; | |
1016 | } | |
1017 | ||
4d4b334b KM |
1018 | static void __rsnd_dai_probe(struct rsnd_priv *priv, |
1019 | struct device_node *dai_np, | |
9f761183 | 1020 | int dai_i) |
90e8e50f | 1021 | { |
90e8e50f | 1022 | struct device_node *playback, *capture; |
94e2710c KM |
1023 | struct rsnd_dai_stream *io_playback; |
1024 | struct rsnd_dai_stream *io_capture; | |
4d4b334b | 1025 | struct snd_soc_dai_driver *drv; |
94e2710c | 1026 | struct rsnd_dai *rdai; |
2ea6b074 | 1027 | struct device *dev = rsnd_priv_to_dev(priv); |
4d4b334b KM |
1028 | int io_i; |
1029 | ||
1030 | rdai = rsnd_rdai_get(priv, dai_i); | |
1031 | drv = priv->daidrv + dai_i; | |
1032 | io_playback = &rdai->playback; | |
1033 | io_capture = &rdai->capture; | |
1034 | ||
1035 | snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i); | |
1036 | ||
1037 | rdai->priv = priv; | |
1038 | drv->name = rdai->name; | |
1039 | drv->ops = &rsnd_soc_dai_ops; | |
1040 | ||
1041 | snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE, | |
1042 | "DAI%d Playback", dai_i); | |
1043 | drv->playback.rates = RSND_RATES; | |
1044 | drv->playback.formats = RSND_FMTS; | |
1045 | drv->playback.channels_min = 2; | |
29d03ff5 | 1046 | drv->playback.channels_max = 8; |
4d4b334b KM |
1047 | drv->playback.stream_name = rdai->playback.name; |
1048 | ||
1049 | snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, | |
1050 | "DAI%d Capture", dai_i); | |
1051 | drv->capture.rates = RSND_RATES; | |
1052 | drv->capture.formats = RSND_FMTS; | |
1053 | drv->capture.channels_min = 2; | |
29d03ff5 | 1054 | drv->capture.channels_max = 8; |
4d4b334b KM |
1055 | drv->capture.stream_name = rdai->capture.name; |
1056 | ||
1057 | rdai->playback.rdai = rdai; | |
1058 | rdai->capture.rdai = rdai; | |
1ff9593d KM |
1059 | rsnd_rdai_channels_set(rdai, 2); /* default 2ch */ |
1060 | rsnd_rdai_ssi_lane_set(rdai, 1); /* default 1lane */ | |
4d4b334b KM |
1061 | |
1062 | for (io_i = 0;; io_i++) { | |
1063 | playback = of_parse_phandle(dai_np, "playback", io_i); | |
1064 | capture = of_parse_phandle(dai_np, "capture", io_i); | |
1065 | ||
1066 | if (!playback && !capture) | |
1067 | break; | |
1068 | ||
1069 | rsnd_parse_connect_ssi(rdai, playback, capture); | |
1070 | rsnd_parse_connect_src(rdai, playback, capture); | |
1071 | rsnd_parse_connect_ctu(rdai, playback, capture); | |
1072 | rsnd_parse_connect_mix(rdai, playback, capture); | |
1073 | rsnd_parse_connect_dvc(rdai, playback, capture); | |
1074 | ||
1075 | of_node_put(playback); | |
1076 | of_node_put(capture); | |
1077 | } | |
1078 | ||
1079 | dev_dbg(dev, "%s (%s/%s)\n", rdai->name, | |
1080 | rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ", | |
1081 | rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- "); | |
1082 | } | |
1083 | ||
1084 | static int rsnd_dai_probe(struct rsnd_priv *priv) | |
1085 | { | |
1086 | struct device_node *dai_node; | |
1087 | struct device_node *dai_np; | |
1088 | struct snd_soc_dai_driver *rdrv; | |
1089 | struct device *dev = rsnd_priv_to_dev(priv); | |
1090 | struct rsnd_dai *rdai; | |
1091 | int nr; | |
11d0f8ed | 1092 | int is_graph; |
4d4b334b | 1093 | int dai_i; |
90e8e50f | 1094 | |
11d0f8ed | 1095 | dai_node = rsnd_dai_of_node(priv, &is_graph); |
4d4b334b KM |
1096 | if (is_graph) |
1097 | nr = of_graph_get_endpoint_count(dai_node); | |
1098 | else | |
1099 | nr = of_get_child_count(dai_node); | |
1100 | ||
1101 | if (!nr) | |
1102 | return -EINVAL; | |
90e8e50f | 1103 | |
2ff2ecca | 1104 | rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL); |
94e2710c | 1105 | rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL); |
4d4b334b KM |
1106 | if (!rdrv || !rdai) |
1107 | return -ENOMEM; | |
90e8e50f | 1108 | |
94e2710c | 1109 | priv->rdai_nr = nr; |
2ff2ecca | 1110 | priv->daidrv = rdrv; |
94e2710c | 1111 | priv->rdai = rdai; |
90e8e50f KM |
1112 | |
1113 | /* | |
1114 | * parse all dai | |
1115 | */ | |
1116 | dai_i = 0; | |
4d4b334b | 1117 | if (is_graph) { |
7fa72cca | 1118 | for_each_endpoint_of_node(dai_node, dai_np) { |
9f761183 | 1119 | __rsnd_dai_probe(priv, dai_np, dai_i); |
7fa72cca KM |
1120 | rsnd_ssi_parse_hdmi_connection(priv, dai_np, dai_i); |
1121 | dai_i++; | |
1122 | } | |
4d4b334b KM |
1123 | } else { |
1124 | for_each_child_of_node(dai_node, dai_np) | |
9f761183 | 1125 | __rsnd_dai_probe(priv, dai_np, dai_i++); |
1536a968 KM |
1126 | } |
1127 | ||
4d4b334b | 1128 | return 0; |
1536a968 KM |
1129 | } |
1130 | ||
1536a968 KM |
1131 | /* |
1132 | * pcm ops | |
1133 | */ | |
1536a968 KM |
1134 | static int rsnd_hw_params(struct snd_pcm_substream *substream, |
1135 | struct snd_pcm_hw_params *hw_params) | |
1136 | { | |
3b7843ff KM |
1137 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
1138 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
1139 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1140 | int ret; | |
1141 | ||
1142 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
1143 | if (ret) | |
1144 | return ret; | |
1145 | ||
1536a968 KM |
1146 | return snd_pcm_lib_malloc_pages(substream, |
1147 | params_buffer_bytes(hw_params)); | |
1148 | } | |
1149 | ||
1150 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
1151 | { | |
1536a968 KM |
1152 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
1153 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
1154 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
07b7acb5 KM |
1155 | snd_pcm_uframes_t pointer = 0; |
1156 | ||
1157 | rsnd_dai_call(pointer, io, &pointer); | |
1536a968 | 1158 | |
07b7acb5 | 1159 | return pointer; |
1536a968 KM |
1160 | } |
1161 | ||
b23bd34c | 1162 | static const struct snd_pcm_ops rsnd_pcm_ops = { |
1536a968 KM |
1163 | .ioctl = snd_pcm_lib_ioctl, |
1164 | .hw_params = rsnd_hw_params, | |
1165 | .hw_free = snd_pcm_lib_free_pages, | |
1166 | .pointer = rsnd_pointer, | |
1167 | }; | |
1168 | ||
170a2497 KM |
1169 | /* |
1170 | * snd_kcontrol | |
1171 | */ | |
170a2497 KM |
1172 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, |
1173 | struct snd_ctl_elem_info *uinfo) | |
1174 | { | |
16d44989 | 1175 | struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl); |
170a2497 KM |
1176 | |
1177 | if (cfg->texts) { | |
1178 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
1179 | uinfo->count = cfg->size; | |
1180 | uinfo->value.enumerated.items = cfg->max; | |
1181 | if (uinfo->value.enumerated.item >= cfg->max) | |
1182 | uinfo->value.enumerated.item = cfg->max - 1; | |
1183 | strlcpy(uinfo->value.enumerated.name, | |
1184 | cfg->texts[uinfo->value.enumerated.item], | |
1185 | sizeof(uinfo->value.enumerated.name)); | |
1186 | } else { | |
1187 | uinfo->count = cfg->size; | |
1188 | uinfo->value.integer.min = 0; | |
1189 | uinfo->value.integer.max = cfg->max; | |
1190 | uinfo->type = (cfg->max == 1) ? | |
1191 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
1192 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1193 | } | |
1194 | ||
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
1199 | struct snd_ctl_elem_value *uc) | |
1200 | { | |
16d44989 | 1201 | struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl); |
170a2497 KM |
1202 | int i; |
1203 | ||
1204 | for (i = 0; i < cfg->size; i++) | |
1205 | if (cfg->texts) | |
1206 | uc->value.enumerated.item[i] = cfg->val[i]; | |
1207 | else | |
1208 | uc->value.integer.value[i] = cfg->val[i]; | |
1209 | ||
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
1214 | struct snd_ctl_elem_value *uc) | |
1215 | { | |
16d44989 | 1216 | struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl); |
170a2497 KM |
1217 | int i, change = 0; |
1218 | ||
f0b04d8b KM |
1219 | if (!cfg->accept(cfg->io)) |
1220 | return 0; | |
1221 | ||
170a2497 KM |
1222 | for (i = 0; i < cfg->size; i++) { |
1223 | if (cfg->texts) { | |
1224 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
1225 | cfg->val[i] = uc->value.enumerated.item[i]; | |
1226 | } else { | |
1227 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
1228 | cfg->val[i] = uc->value.integer.value[i]; | |
1229 | } | |
1230 | } | |
1231 | ||
d7289565 | 1232 | if (change && cfg->update) |
16d44989 | 1233 | cfg->update(cfg->io, cfg->mod); |
170a2497 KM |
1234 | |
1235 | return change; | |
1236 | } | |
1237 | ||
f0b04d8b KM |
1238 | int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io) |
1239 | { | |
1240 | return 1; | |
1241 | } | |
1242 | ||
1243 | int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io) | |
1244 | { | |
1245 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
1246 | ||
1247 | return !!runtime; | |
1248 | } | |
1249 | ||
32973dcf KM |
1250 | struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg) |
1251 | { | |
1252 | cfg->cfg.val = cfg->val; | |
1253 | ||
1254 | return &cfg->cfg; | |
1255 | } | |
1256 | ||
1257 | struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg) | |
1258 | { | |
1259 | cfg->cfg.val = &cfg->val; | |
1260 | ||
1261 | return &cfg->cfg; | |
1262 | } | |
1263 | ||
f3c26ac6 KM |
1264 | const char * const volume_ramp_rate[] = { |
1265 | "128 dB/1 step", /* 00000 */ | |
1266 | "64 dB/1 step", /* 00001 */ | |
1267 | "32 dB/1 step", /* 00010 */ | |
1268 | "16 dB/1 step", /* 00011 */ | |
1269 | "8 dB/1 step", /* 00100 */ | |
1270 | "4 dB/1 step", /* 00101 */ | |
1271 | "2 dB/1 step", /* 00110 */ | |
1272 | "1 dB/1 step", /* 00111 */ | |
1273 | "0.5 dB/1 step", /* 01000 */ | |
1274 | "0.25 dB/1 step", /* 01001 */ | |
3e3c9ee1 | 1275 | "0.125 dB/1 step", /* 01010 = VOLUME_RAMP_MAX_MIX */ |
f3c26ac6 KM |
1276 | "0.125 dB/2 steps", /* 01011 */ |
1277 | "0.125 dB/4 steps", /* 01100 */ | |
1278 | "0.125 dB/8 steps", /* 01101 */ | |
1279 | "0.125 dB/16 steps", /* 01110 */ | |
1280 | "0.125 dB/32 steps", /* 01111 */ | |
1281 | "0.125 dB/64 steps", /* 10000 */ | |
1282 | "0.125 dB/128 steps", /* 10001 */ | |
1283 | "0.125 dB/256 steps", /* 10010 */ | |
1284 | "0.125 dB/512 steps", /* 10011 */ | |
1285 | "0.125 dB/1024 steps", /* 10100 */ | |
1286 | "0.125 dB/2048 steps", /* 10101 */ | |
1287 | "0.125 dB/4096 steps", /* 10110 */ | |
1288 | "0.125 dB/8192 steps", /* 10111 = VOLUME_RAMP_MAX_DVC */ | |
1289 | }; | |
1290 | ||
32973dcf KM |
1291 | int rsnd_kctrl_new(struct rsnd_mod *mod, |
1292 | struct rsnd_dai_stream *io, | |
1293 | struct snd_soc_pcm_runtime *rtd, | |
1294 | const unsigned char *name, | |
f0b04d8b | 1295 | int (*accept)(struct rsnd_dai_stream *io), |
32973dcf KM |
1296 | void (*update)(struct rsnd_dai_stream *io, |
1297 | struct rsnd_mod *mod), | |
1298 | struct rsnd_kctrl_cfg *cfg, | |
1299 | const char * const *texts, | |
1300 | int size, | |
1301 | u32 max) | |
170a2497 KM |
1302 | { |
1303 | struct snd_card *card = rtd->card->snd_card; | |
1304 | struct snd_kcontrol *kctrl; | |
1305 | struct snd_kcontrol_new knew = { | |
1306 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1307 | .name = name, | |
1308 | .info = rsnd_kctrl_info, | |
1a497983 | 1309 | .index = rtd->num, |
170a2497 KM |
1310 | .get = rsnd_kctrl_get, |
1311 | .put = rsnd_kctrl_put, | |
170a2497 KM |
1312 | }; |
1313 | int ret; | |
1314 | ||
32973dcf KM |
1315 | if (size > RSND_MAX_CHANNELS) |
1316 | return -EINVAL; | |
1317 | ||
16d44989 | 1318 | kctrl = snd_ctl_new1(&knew, cfg); |
170a2497 KM |
1319 | if (!kctrl) |
1320 | return -ENOMEM; | |
1321 | ||
1322 | ret = snd_ctl_add(card, kctrl); | |
0ea617a2 | 1323 | if (ret < 0) |
170a2497 KM |
1324 | return ret; |
1325 | ||
32973dcf KM |
1326 | cfg->texts = texts; |
1327 | cfg->max = max; | |
1328 | cfg->size = size; | |
f0b04d8b | 1329 | cfg->accept = accept; |
32973dcf KM |
1330 | cfg->update = update; |
1331 | cfg->card = card; | |
1332 | cfg->kctrl = kctrl; | |
1333 | cfg->io = io; | |
16d44989 | 1334 | cfg->mod = mod; |
170a2497 KM |
1335 | |
1336 | return 0; | |
1337 | } | |
1338 | ||
1536a968 KM |
1339 | /* |
1340 | * snd_soc_platform | |
1341 | */ | |
1342 | ||
1343 | #define PREALLOC_BUFFER (32 * 1024) | |
1344 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1345 | ||
1346 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) | |
1347 | { | |
7c63f3c0 KM |
1348 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1349 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1350 | int ret; |
bff58ea4 | 1351 | |
ae11a9be KM |
1352 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1353 | if (ret) | |
1354 | return ret; | |
bff58ea4 | 1355 | |
ae11a9be | 1356 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1357 | if (ret) |
1358 | return ret; | |
bff58ea4 | 1359 | |
1536a968 KM |
1360 | return snd_pcm_lib_preallocate_pages_for_all( |
1361 | rtd->pcm, | |
c20c6704 KM |
1362 | SNDRV_DMA_TYPE_DEV, |
1363 | rtd->card->snd_card->dev, | |
1536a968 KM |
1364 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); |
1365 | } | |
1366 | ||
51772554 | 1367 | static const struct snd_soc_platform_driver rsnd_soc_platform = { |
1536a968 KM |
1368 | .ops = &rsnd_pcm_ops, |
1369 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1370 | }; |
1371 | ||
1372 | static const struct snd_soc_component_driver rsnd_soc_component = { | |
1373 | .name = "rsnd", | |
1374 | }; | |
1375 | ||
d3a76823 | 1376 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1377 | struct rsnd_dai_stream *io) |
d3a76823 | 1378 | { |
d3a76823 KM |
1379 | int ret; |
1380 | ||
690602fc | 1381 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1382 | if (ret == -EAGAIN) { |
48d58281 | 1383 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
9b87bfb2 | 1384 | struct rsnd_mod *mod; |
48d58281 KM |
1385 | int i; |
1386 | ||
d3a76823 KM |
1387 | /* |
1388 | * Fallback to PIO mode | |
1389 | */ | |
1390 | ||
1391 | /* | |
1392 | * call "remove" for SSI/SRC/DVC | |
1393 | * SSI will be switch to PIO mode if it was DMA mode | |
1394 | * see | |
1395 | * rsnd_dma_init() | |
97463e19 | 1396 | * rsnd_ssi_fallback() |
d3a76823 | 1397 | */ |
690602fc | 1398 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1399 | |
1400 | /* | |
48d58281 KM |
1401 | * remove all mod from io |
1402 | * and, re connect ssi | |
d3a76823 | 1403 | */ |
9b87bfb2 KM |
1404 | for_each_rsnd_mod(i, mod, io) |
1405 | rsnd_dai_disconnect(mod, io, i); | |
48d58281 | 1406 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); |
d3a76823 | 1407 | |
97463e19 KM |
1408 | /* |
1409 | * fallback | |
1410 | */ | |
690602fc | 1411 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1412 | |
d3a76823 KM |
1413 | /* |
1414 | * retry to "probe". | |
1415 | * DAI has SSI which is PIO mode only now. | |
1416 | */ | |
690602fc | 1417 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1418 | } |
1419 | ||
1420 | return ret; | |
1421 | } | |
1422 | ||
1536a968 KM |
1423 | /* |
1424 | * rsnd probe | |
1425 | */ | |
1426 | static int rsnd_probe(struct platform_device *pdev) | |
1427 | { | |
1536a968 KM |
1428 | struct rsnd_priv *priv; |
1429 | struct device *dev = &pdev->dev; | |
7681f6ac | 1430 | struct rsnd_dai *rdai; |
2ea6b074 | 1431 | int (*probe_func[])(struct rsnd_priv *priv) = { |
d1ac970f | 1432 | rsnd_gen_probe, |
288f392e | 1433 | rsnd_dma_probe, |
d1ac970f | 1434 | rsnd_ssi_probe, |
c7f69ab5 | 1435 | rsnd_ssiu_probe, |
ba9c949f | 1436 | rsnd_src_probe, |
9269e3c3 | 1437 | rsnd_ctu_probe, |
70fb1052 | 1438 | rsnd_mix_probe, |
bff58ea4 | 1439 | rsnd_dvc_probe, |
1b2ca0ad | 1440 | rsnd_cmd_probe, |
d1ac970f KM |
1441 | rsnd_adg_probe, |
1442 | rsnd_dai_probe, | |
1443 | }; | |
1444 | int ret, i; | |
1536a968 | 1445 | |
1536a968 KM |
1446 | /* |
1447 | * init priv data | |
1448 | */ | |
1449 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
0d7820d0 | 1450 | if (!priv) |
1536a968 | 1451 | return -ENODEV; |
1536a968 | 1452 | |
9f464f8e | 1453 | priv->pdev = pdev; |
6d8044b4 | 1454 | priv->flags = (unsigned long)of_device_get_match_data(dev); |
1536a968 KM |
1455 | spin_lock_init(&priv->lock); |
1456 | ||
1457 | /* | |
1458 | * init each module | |
1459 | */ | |
d1ac970f | 1460 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
2ea6b074 | 1461 | ret = probe_func[i](priv); |
d1ac970f KM |
1462 | if (ret) |
1463 | return ret; | |
1464 | } | |
07539c1d | 1465 | |
7681f6ac | 1466 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1467 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1468 | if (ret) |
d62a3dcd | 1469 | goto exit_snd_probe; |
dfc9403b | 1470 | |
f708d944 | 1471 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1472 | if (ret) |
d62a3dcd | 1473 | goto exit_snd_probe; |
7681f6ac | 1474 | } |
4b4dab82 | 1475 | |
0b1f6ec7 KM |
1476 | dev_set_drvdata(dev, priv); |
1477 | ||
1536a968 KM |
1478 | /* |
1479 | * asoc register | |
1480 | */ | |
1481 | ret = snd_soc_register_platform(dev, &rsnd_soc_platform); | |
1482 | if (ret < 0) { | |
1483 | dev_err(dev, "cannot snd soc register\n"); | |
1484 | return ret; | |
1485 | } | |
1486 | ||
1487 | ret = snd_soc_register_component(dev, &rsnd_soc_component, | |
ecba9e72 | 1488 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1489 | if (ret < 0) { |
1490 | dev_err(dev, "cannot snd dai register\n"); | |
1491 | goto exit_snd_soc; | |
1492 | } | |
1493 | ||
1536a968 KM |
1494 | pm_runtime_enable(dev); |
1495 | ||
1496 | dev_info(dev, "probed\n"); | |
1497 | return ret; | |
1498 | ||
1499 | exit_snd_soc: | |
1500 | snd_soc_unregister_platform(dev); | |
d62a3dcd KM |
1501 | exit_snd_probe: |
1502 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1503 | rsnd_dai_call(remove, &rdai->playback, priv); |
1504 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1505 | } |
1536a968 KM |
1506 | |
1507 | return ret; | |
1508 | } | |
1509 | ||
1510 | static int rsnd_remove(struct platform_device *pdev) | |
1511 | { | |
1512 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1513 | struct rsnd_dai *rdai; |
2ea6b074 | 1514 | void (*remove_func[])(struct rsnd_priv *priv) = { |
2f78dd7f | 1515 | rsnd_ssi_remove, |
c7f69ab5 | 1516 | rsnd_ssiu_remove, |
2f78dd7f | 1517 | rsnd_src_remove, |
9269e3c3 | 1518 | rsnd_ctu_remove, |
70fb1052 | 1519 | rsnd_mix_remove, |
2f78dd7f | 1520 | rsnd_dvc_remove, |
1b2ca0ad | 1521 | rsnd_cmd_remove, |
68a55024 | 1522 | rsnd_adg_remove, |
2f78dd7f | 1523 | }; |
d62a3dcd | 1524 | int ret = 0, i; |
1536a968 | 1525 | |
180d9ef5 KM |
1526 | snd_soc_disconnect_sync(&pdev->dev); |
1527 | ||
1536a968 KM |
1528 | pm_runtime_disable(&pdev->dev); |
1529 | ||
7681f6ac | 1530 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1531 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1532 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1533 | } |
1536a968 | 1534 | |
2f78dd7f | 1535 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
2ea6b074 | 1536 | remove_func[i](priv); |
2f78dd7f | 1537 | |
d7c42ff8 KM |
1538 | snd_soc_unregister_component(&pdev->dev); |
1539 | snd_soc_unregister_platform(&pdev->dev); | |
1540 | ||
d62a3dcd | 1541 | return ret; |
1536a968 KM |
1542 | } |
1543 | ||
c2d31718 KM |
1544 | static int rsnd_suspend(struct device *dev) |
1545 | { | |
1546 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1547 | ||
1548 | rsnd_adg_clk_disable(priv); | |
1549 | ||
1550 | return 0; | |
1551 | } | |
1552 | ||
1553 | static int rsnd_resume(struct device *dev) | |
1554 | { | |
1555 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1556 | ||
1557 | rsnd_adg_clk_enable(priv); | |
1558 | ||
1559 | return 0; | |
1560 | } | |
1561 | ||
49ebf13b | 1562 | static const struct dev_pm_ops rsnd_pm_ops = { |
c2d31718 KM |
1563 | .suspend = rsnd_suspend, |
1564 | .resume = rsnd_resume, | |
1565 | }; | |
1566 | ||
1536a968 KM |
1567 | static struct platform_driver rsnd_driver = { |
1568 | .driver = { | |
1569 | .name = "rcar_sound", | |
c2d31718 | 1570 | .pm = &rsnd_pm_ops, |
90e8e50f | 1571 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1572 | }, |
1573 | .probe = rsnd_probe, | |
1574 | .remove = rsnd_remove, | |
1575 | }; | |
1576 | module_platform_driver(rsnd_driver); | |
1577 | ||
1578 | MODULE_LICENSE("GPL"); | |
1579 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); | |
1580 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1581 | MODULE_ALIAS("platform:rcar-pcm-audio"); |