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1e0edd4d KM |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | // | |
3 | // Renesas R-Car SRU/SCU/SSIU/SSI support | |
4 | // | |
5 | // Copyright (C) 2013 Renesas Solutions Corp. | |
6 | // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
7 | // | |
8 | // Based on fsi.c | |
9 | // Kuninori Morimoto <morimoto.kuninori@renesas.com> | |
1536a968 KM |
10 | |
11 | /* | |
12 | * Renesas R-Car sound device structure | |
13 | * | |
14 | * Gen1 | |
15 | * | |
16 | * SRU : Sound Routing Unit | |
17 | * - SRC : Sampling Rate Converter | |
18 | * - CMD | |
19 | * - CTU : Channel Count Conversion Unit | |
20 | * - MIX : Mixer | |
21 | * - DVC : Digital Volume and Mute Function | |
22 | * - SSI : Serial Sound Interface | |
23 | * | |
24 | * Gen2 | |
25 | * | |
26 | * SCU : Sampling Rate Converter Unit | |
27 | * - SRC : Sampling Rate Converter | |
28 | * - CMD | |
29 | * - CTU : Channel Count Conversion Unit | |
30 | * - MIX : Mixer | |
31 | * - DVC : Digital Volume and Mute Function | |
32 | * SSIU : Serial Sound Interface Unit | |
33 | * - SSI : Serial Sound Interface | |
34 | */ | |
35 | ||
36 | /* | |
37 | * driver data Image | |
38 | * | |
39 | * rsnd_priv | |
40 | * | | |
41 | * | ** this depends on Gen1/Gen2 | |
42 | * | | |
43 | * +- gen | |
44 | * | | |
45 | * | ** these depend on data path | |
46 | * | ** gen and platform data control it | |
47 | * | | |
48 | * +- rdai[0] | |
49 | * | | sru ssiu ssi | |
50 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
51 | * | | | |
52 | * | | sru ssiu ssi | |
53 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
54 | * | | |
55 | * +- rdai[1] | |
56 | * | | sru ssiu ssi | |
57 | * | +- playback -> [mod] -> [mod] -> [mod] -> ... | |
58 | * | | | |
59 | * | | sru ssiu ssi | |
60 | * | +- capture -> [mod] -> [mod] -> [mod] -> ... | |
61 | * ... | |
62 | * | | |
63 | * | ** these control ssi | |
64 | * | | |
65 | * +- ssi | |
66 | * | | | |
67 | * | +- ssi[0] | |
68 | * | +- ssi[1] | |
69 | * | +- ssi[2] | |
70 | * | ... | |
71 | * | | |
ba9c949f | 72 | * | ** these control src |
1536a968 | 73 | * | |
ba9c949f | 74 | * +- src |
1536a968 | 75 | * | |
ba9c949f KM |
76 | * +- src[0] |
77 | * +- src[1] | |
78 | * +- src[2] | |
1536a968 KM |
79 | * ... |
80 | * | |
81 | * | |
82 | * for_each_rsnd_dai(xx, priv, xx) | |
83 | * rdai[0] => rdai[1] => rdai[2] => ... | |
84 | * | |
85 | * for_each_rsnd_mod(xx, rdai, xx) | |
86 | * [mod] => [mod] => [mod] => ... | |
87 | * | |
88 | * rsnd_dai_call(xxx, fn ) | |
89 | * [mod]->fn() -> [mod]->fn() -> [mod]->fn()... | |
90 | * | |
91 | */ | |
1f6e920f KM |
92 | |
93 | /* | |
94 | * you can enable below define if you don't need | |
95 | * DAI status debug message when debugging | |
96 | * see rsnd_dbg_dai_call() | |
97 | * | |
98 | * #define RSND_DEBUG_NO_DAI_CALL 1 | |
99 | */ | |
100 | ||
1536a968 KM |
101 | #include <linux/pm_runtime.h> |
102 | #include "rsnd.h" | |
103 | ||
dc272156 | 104 | #define RSND_RATES SNDRV_PCM_RATE_8000_192000 |
1536a968 KM |
105 | #define RSND_FMTS (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) |
106 | ||
33187fb4 | 107 | static const struct of_device_id rsnd_of_match[] = { |
e797f58e KM |
108 | { .compatible = "renesas,rcar_sound-gen1", .data = (void *)RSND_GEN1 }, |
109 | { .compatible = "renesas,rcar_sound-gen2", .data = (void *)RSND_GEN2 }, | |
d188e140 | 110 | { .compatible = "renesas,rcar_sound-gen3", .data = (void *)RSND_GEN3 }, |
90e8e50f KM |
111 | {}, |
112 | }; | |
113 | MODULE_DEVICE_TABLE(of, rsnd_of_match); | |
114 | ||
81ad174d KM |
115 | /* |
116 | * rsnd_mod functions | |
117 | */ | |
f1df1229 KM |
118 | void rsnd_mod_make_sure(struct rsnd_mod *mod, enum rsnd_mod_type type) |
119 | { | |
120 | if (mod->type != type) { | |
121 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
122 | struct device *dev = rsnd_priv_to_dev(priv); | |
123 | ||
124 | dev_warn(dev, "%s[%d] is not your expected module\n", | |
125 | rsnd_mod_name(mod), rsnd_mod_id(mod)); | |
126 | } | |
127 | } | |
128 | ||
9b99e9a7 KM |
129 | struct dma_chan *rsnd_mod_dma_req(struct rsnd_dai_stream *io, |
130 | struct rsnd_mod *mod) | |
d9288d0b | 131 | { |
72adc61f KM |
132 | if (!mod || !mod->ops || !mod->ops->dma_req) |
133 | return NULL; | |
d9288d0b | 134 | |
9b99e9a7 | 135 | return mod->ops->dma_req(io, mod); |
d9288d0b KM |
136 | } |
137 | ||
5ba17b42 KM |
138 | u32 *rsnd_mod_get_status(struct rsnd_dai_stream *io, |
139 | struct rsnd_mod *mod, | |
140 | enum rsnd_mod_type type) | |
141 | { | |
142 | return &mod->status; | |
143 | } | |
144 | ||
2099bc8e KM |
145 | int rsnd_mod_init(struct rsnd_priv *priv, |
146 | struct rsnd_mod *mod, | |
5ba17b42 KM |
147 | struct rsnd_mod_ops *ops, |
148 | struct clk *clk, | |
149 | u32* (*get_status)(struct rsnd_dai_stream *io, | |
150 | struct rsnd_mod *mod, | |
151 | enum rsnd_mod_type type), | |
152 | enum rsnd_mod_type type, | |
153 | int id) | |
cdaa3cdf | 154 | { |
2f78dd7f KM |
155 | int ret = clk_prepare(clk); |
156 | ||
157 | if (ret) | |
158 | return ret; | |
159 | ||
cdaa3cdf KM |
160 | mod->id = id; |
161 | mod->ops = ops; | |
a126021d | 162 | mod->type = type; |
85642952 | 163 | mod->clk = clk; |
2099bc8e | 164 | mod->priv = priv; |
5ba17b42 | 165 | mod->get_status = get_status; |
2f78dd7f KM |
166 | |
167 | return ret; | |
168 | } | |
169 | ||
170 | void rsnd_mod_quit(struct rsnd_mod *mod) | |
171 | { | |
ed3ac14c | 172 | clk_unprepare(mod->clk); |
ea96380b | 173 | mod->clk = NULL; |
cdaa3cdf KM |
174 | } |
175 | ||
f501b7a4 KM |
176 | void rsnd_mod_interrupt(struct rsnd_mod *mod, |
177 | void (*callback)(struct rsnd_mod *mod, | |
178 | struct rsnd_dai_stream *io)) | |
179 | { | |
180 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
181 | struct rsnd_dai_stream *io; | |
182 | struct rsnd_dai *rdai; | |
2daf71ad | 183 | int i; |
f501b7a4 | 184 | |
2daf71ad KM |
185 | for_each_rsnd_dai(rdai, priv, i) { |
186 | io = &rdai->playback; | |
187 | if (mod == io->mod[mod->type]) | |
188 | callback(mod, io); | |
f501b7a4 | 189 | |
2daf71ad KM |
190 | io = &rdai->capture; |
191 | if (mod == io->mod[mod->type]) | |
192 | callback(mod, io); | |
f501b7a4 KM |
193 | } |
194 | } | |
195 | ||
d5bbe7de | 196 | int rsnd_io_is_working(struct rsnd_dai_stream *io) |
02299d98 | 197 | { |
02299d98 | 198 | /* see rsnd_dai_stream_init/quit() */ |
8fce974b KM |
199 | if (io->substream) |
200 | return snd_pcm_running(io->substream); | |
201 | ||
202 | return 0; | |
02299d98 KM |
203 | } |
204 | ||
b2fb31bb KM |
205 | int rsnd_runtime_channel_original_with_params(struct rsnd_dai_stream *io, |
206 | struct snd_pcm_hw_params *params) | |
8ec85e7f | 207 | { |
5858a7d1 | 208 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
b4c83b17 | 209 | |
b2fb31bb KM |
210 | /* |
211 | * params will be added when refine | |
212 | * see | |
213 | * __rsnd_soc_hw_rule_rate() | |
214 | * __rsnd_soc_hw_rule_channels() | |
215 | */ | |
216 | if (params) | |
217 | return params_channels(params); | |
218 | else | |
219 | return runtime->channels; | |
eed76bb8 KM |
220 | } |
221 | ||
b2fb31bb KM |
222 | int rsnd_runtime_channel_after_ctu_with_params(struct rsnd_dai_stream *io, |
223 | struct snd_pcm_hw_params *params) | |
eed76bb8 | 224 | { |
b2fb31bb | 225 | int chan = rsnd_runtime_channel_original_with_params(io, params); |
eed76bb8 KM |
226 | struct rsnd_mod *ctu_mod = rsnd_io_to_mod_ctu(io); |
227 | ||
228 | if (ctu_mod) { | |
229 | u32 converted_chan = rsnd_ctu_converted_channel(ctu_mod); | |
230 | ||
231 | if (converted_chan) | |
232 | return converted_chan; | |
233 | } | |
234 | ||
235 | return chan; | |
236 | } | |
237 | ||
b2fb31bb KM |
238 | int rsnd_runtime_channel_for_ssi_with_params(struct rsnd_dai_stream *io, |
239 | struct snd_pcm_hw_params *params) | |
eed76bb8 | 240 | { |
1ff9593d | 241 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
eed76bb8 | 242 | int chan = rsnd_io_is_play(io) ? |
b2fb31bb KM |
243 | rsnd_runtime_channel_after_ctu_with_params(io, params) : |
244 | rsnd_runtime_channel_original_with_params(io, params); | |
eed76bb8 KM |
245 | |
246 | /* Use Multi SSI */ | |
247 | if (rsnd_runtime_is_ssi_multi(io)) | |
1ff9593d | 248 | chan /= rsnd_rdai_ssi_lane_get(rdai); |
8ec85e7f KM |
249 | |
250 | /* TDM Extend Mode needs 8ch */ | |
251 | if (chan == 6) | |
252 | chan = 8; | |
253 | ||
254 | return chan; | |
255 | } | |
256 | ||
eed76bb8 KM |
257 | int rsnd_runtime_is_ssi_multi(struct rsnd_dai_stream *io) |
258 | { | |
1ff9593d KM |
259 | struct rsnd_dai *rdai = rsnd_io_to_rdai(io); |
260 | int lane = rsnd_rdai_ssi_lane_get(rdai); | |
eed76bb8 KM |
261 | int chan = rsnd_io_is_play(io) ? |
262 | rsnd_runtime_channel_after_ctu(io) : | |
263 | rsnd_runtime_channel_original(io); | |
264 | ||
1ff9593d | 265 | return (chan > 2) && (lane > 1); |
eed76bb8 KM |
266 | } |
267 | ||
268 | int rsnd_runtime_is_ssi_tdm(struct rsnd_dai_stream *io) | |
269 | { | |
270 | return rsnd_runtime_channel_for_ssi(io) >= 6; | |
271 | } | |
272 | ||
d7bdbc5d | 273 | /* |
3023b384 | 274 | * ADINR function |
d7bdbc5d | 275 | */ |
3023b384 | 276 | u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io) |
d7bdbc5d KM |
277 | { |
278 | struct rsnd_priv *priv = rsnd_mod_to_priv(mod); | |
d7bdbc5d KM |
279 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
280 | struct device *dev = rsnd_priv_to_dev(priv); | |
d7bdbc5d | 281 | |
41acc8ec | 282 | switch (snd_pcm_format_width(runtime->format)) { |
d7bdbc5d | 283 | case 16: |
5e7b9edd | 284 | return 8 << 16; |
41acc8ec | 285 | case 24: |
5e7b9edd | 286 | return 0 << 16; |
d7bdbc5d KM |
287 | } |
288 | ||
5e7b9edd KM |
289 | dev_warn(dev, "not supported sample bits\n"); |
290 | ||
291 | return 0; | |
d7bdbc5d KM |
292 | } |
293 | ||
4689032b KM |
294 | /* |
295 | * DALIGN function | |
296 | */ | |
297 | u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) | |
298 | { | |
3ce2959d | 299 | struct rsnd_mod *ssiu = rsnd_io_to_mod_ssiu(io); |
a504b1ee | 300 | struct rsnd_mod *target; |
4689032b | 301 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); |
4689032b | 302 | |
8cce431a | 303 | /* |
a914e446 KM |
304 | * *Hardware* L/R and *Software* L/R are inverted for 16bit data. |
305 | * 31..16 15...0 | |
306 | * HW: [L ch] [R ch] | |
307 | * SW: [R ch] [L ch] | |
8cce431a KM |
308 | * We need to care about inversion timing to control |
309 | * Playback/Capture correctly. | |
310 | * The point is [DVC] needs *Hardware* L/R, [MEM] needs *Software* L/R | |
311 | * | |
312 | * sL/R : software L/R | |
313 | * hL/R : hardware L/R | |
314 | * (*) : conversion timing | |
315 | * | |
316 | * Playback | |
317 | * sL/R (*) hL/R hL/R hL/R hL/R hL/R | |
318 | * [MEM] -> [SRC] -> [DVC] -> [CMD] -> [SSIU] -> [SSI] -> codec | |
319 | * | |
320 | * Capture | |
321 | * hL/R hL/R hL/R hL/R hL/R (*) sL/R | |
322 | * codec -> [SSI] -> [SSIU] -> [SRC] -> [DVC] -> [CMD] -> [MEM] | |
323 | */ | |
a504b1ee KM |
324 | if (rsnd_io_is_play(io)) { |
325 | struct rsnd_mod *src = rsnd_io_to_mod_src(io); | |
326 | ||
3ce2959d | 327 | target = src ? src : ssiu; |
a504b1ee KM |
328 | } else { |
329 | struct rsnd_mod *cmd = rsnd_io_to_mod_cmd(io); | |
330 | ||
3ce2959d | 331 | target = cmd ? cmd : ssiu; |
a504b1ee KM |
332 | } |
333 | ||
a914e446 | 334 | /* Non target mod or 24bit data needs normal DALIGN */ |
41acc8ec | 335 | if ((snd_pcm_format_width(runtime->format) != 16) || |
a914e446 | 336 | (mod != target)) |
4689032b | 337 | return 0x76543210; |
a914e446 KM |
338 | /* Target mod needs inverted DALIGN when 16bit */ |
339 | else | |
340 | return 0x67452301; | |
4689032b KM |
341 | } |
342 | ||
90431eb4 KM |
343 | u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod) |
344 | { | |
345 | enum rsnd_mod_type playback_mods[] = { | |
346 | RSND_MOD_SRC, | |
347 | RSND_MOD_CMD, | |
348 | RSND_MOD_SSIU, | |
349 | }; | |
350 | enum rsnd_mod_type capture_mods[] = { | |
351 | RSND_MOD_CMD, | |
352 | RSND_MOD_SRC, | |
353 | RSND_MOD_SSIU, | |
354 | }; | |
355 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
356 | struct rsnd_mod *tmod = NULL; | |
357 | enum rsnd_mod_type *mods = | |
358 | rsnd_io_is_play(io) ? | |
359 | playback_mods : capture_mods; | |
360 | int i; | |
361 | ||
362 | /* | |
363 | * This is needed for 24bit data | |
364 | * We need to shift 8bit | |
365 | * | |
366 | * Linux 24bit data is located as 0x00****** | |
367 | * HW 24bit data is located as 0x******00 | |
368 | * | |
369 | */ | |
41acc8ec | 370 | if (snd_pcm_format_width(runtime->format) == 16) |
90431eb4 | 371 | return 0; |
90431eb4 KM |
372 | |
373 | for (i = 0; i < ARRAY_SIZE(playback_mods); i++) { | |
374 | tmod = rsnd_io_to_mod(io, mods[i]); | |
375 | if (tmod) | |
376 | break; | |
377 | } | |
378 | ||
379 | if (tmod != mod) | |
380 | return 0; | |
381 | ||
382 | if (rsnd_io_is_play(io)) | |
383 | return (0 << 20) | /* shift to Left */ | |
384 | (8 << 16); /* 8bit */ | |
385 | else | |
386 | return (1 << 20) | /* shift to Right */ | |
387 | (8 << 16); /* 8bit */ | |
388 | } | |
389 | ||
1536a968 KM |
390 | /* |
391 | * rsnd_dai functions | |
392 | */ | |
b3ca3fbe KM |
393 | struct rsnd_mod *rsnd_mod_next(int *iterator, |
394 | struct rsnd_dai_stream *io, | |
395 | enum rsnd_mod_type *array, | |
396 | int array_size) | |
397 | { | |
398 | struct rsnd_mod *mod; | |
399 | enum rsnd_mod_type type; | |
400 | int max = array ? array_size : RSND_MOD_MAX; | |
401 | ||
402 | for (; *iterator < max; (*iterator)++) { | |
403 | type = (array) ? array[*iterator] : *iterator; | |
138f8786 | 404 | mod = rsnd_io_to_mod(io, type); |
b12f1e3a KM |
405 | if (mod) |
406 | return mod; | |
b3ca3fbe KM |
407 | } |
408 | ||
409 | return NULL; | |
410 | } | |
411 | ||
38587f4c KM |
412 | static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = { |
413 | { | |
414 | /* CAPTURE */ | |
415 | RSND_MOD_AUDMAPP, | |
416 | RSND_MOD_AUDMA, | |
417 | RSND_MOD_DVC, | |
418 | RSND_MOD_MIX, | |
419 | RSND_MOD_CTU, | |
420 | RSND_MOD_CMD, | |
421 | RSND_MOD_SRC, | |
422 | RSND_MOD_SSIU, | |
423 | RSND_MOD_SSIM3, | |
424 | RSND_MOD_SSIM2, | |
425 | RSND_MOD_SSIM1, | |
426 | RSND_MOD_SSIP, | |
427 | RSND_MOD_SSI, | |
428 | }, { | |
429 | /* PLAYBACK */ | |
430 | RSND_MOD_AUDMAPP, | |
431 | RSND_MOD_AUDMA, | |
432 | RSND_MOD_SSIM3, | |
433 | RSND_MOD_SSIM2, | |
434 | RSND_MOD_SSIM1, | |
435 | RSND_MOD_SSIP, | |
436 | RSND_MOD_SSI, | |
437 | RSND_MOD_SSIU, | |
438 | RSND_MOD_DVC, | |
439 | RSND_MOD_MIX, | |
440 | RSND_MOD_CTU, | |
441 | RSND_MOD_CMD, | |
442 | RSND_MOD_SRC, | |
443 | }, | |
444 | }; | |
445 | ||
5f222a29 KM |
446 | static int rsnd_status_update(u32 *status, |
447 | int shift, int add, int timing) | |
448 | { | |
449 | u32 mask = 0xF << shift; | |
450 | u8 val = (*status >> shift) & 0xF; | |
451 | u8 next_val = (val + add) & 0xF; | |
452 | int func_call = (val == timing); | |
453 | ||
454 | if (next_val == 0xF) /* underflow case */ | |
455 | func_call = 0; | |
456 | else | |
457 | *status = (*status & ~mask) + (next_val << shift); | |
458 | ||
459 | return func_call; | |
460 | } | |
461 | ||
462 | #define rsnd_dai_call(fn, io, param...) \ | |
463 | ({ \ | |
f30b4ca4 | 464 | struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io)); \ |
5f222a29 KM |
465 | struct rsnd_mod *mod; \ |
466 | int is_play = rsnd_io_is_play(io); \ | |
467 | int ret = 0, i; \ | |
468 | enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \ | |
469 | for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \ | |
470 | int tmp = 0; \ | |
471 | u32 *status = mod->get_status(io, mod, types[i]); \ | |
472 | int func_call = rsnd_status_update(status, \ | |
473 | __rsnd_mod_shift_##fn, \ | |
474 | __rsnd_mod_add_##fn, \ | |
475 | __rsnd_mod_call_##fn); \ | |
1f6e920f | 476 | rsnd_dbg_dai_call(dev, "%s[%d]\t0x%08x %s\n", \ |
5f222a29 KM |
477 | rsnd_mod_name(mod), rsnd_mod_id(mod), *status, \ |
478 | (func_call && (mod)->ops->fn) ? #fn : ""); \ | |
479 | if (func_call && (mod)->ops->fn) \ | |
480 | tmp = (mod)->ops->fn(mod, io, param); \ | |
6c92d5a2 | 481 | if (tmp && (tmp != -EPROBE_DEFER)) \ |
5f222a29 KM |
482 | dev_err(dev, "%s[%d] : %s error %d\n", \ |
483 | rsnd_mod_name(mod), rsnd_mod_id(mod), \ | |
484 | #fn, tmp); \ | |
485 | ret |= tmp; \ | |
486 | } \ | |
487 | ret; \ | |
cdaa3cdf KM |
488 | }) |
489 | ||
27924f32 KM |
490 | int rsnd_dai_connect(struct rsnd_mod *mod, |
491 | struct rsnd_dai_stream *io, | |
492 | enum rsnd_mod_type type) | |
cdaa3cdf | 493 | { |
48725e9c KM |
494 | struct rsnd_priv *priv; |
495 | struct device *dev; | |
84e95355 | 496 | |
6020779b | 497 | if (!mod) |
cdaa3cdf | 498 | return -EIO; |
cdaa3cdf | 499 | |
bfa3119c KM |
500 | if (io->mod[type] == mod) |
501 | return 0; | |
502 | ||
52dc6852 KM |
503 | if (io->mod[type]) |
504 | return -EINVAL; | |
505 | ||
48725e9c KM |
506 | priv = rsnd_mod_to_priv(mod); |
507 | dev = rsnd_priv_to_dev(priv); | |
508 | ||
27924f32 | 509 | io->mod[type] = mod; |
cdaa3cdf | 510 | |
84e95355 KM |
511 | dev_dbg(dev, "%s[%d] is connected to io (%s)\n", |
512 | rsnd_mod_name(mod), rsnd_mod_id(mod), | |
513 | rsnd_io_is_play(io) ? "Playback" : "Capture"); | |
514 | ||
cdaa3cdf KM |
515 | return 0; |
516 | } | |
517 | ||
d3a76823 | 518 | static void rsnd_dai_disconnect(struct rsnd_mod *mod, |
27924f32 KM |
519 | struct rsnd_dai_stream *io, |
520 | enum rsnd_mod_type type) | |
d3a76823 | 521 | { |
27924f32 | 522 | io->mod[type] = NULL; |
d3a76823 KM |
523 | } |
524 | ||
1ff9593d KM |
525 | int rsnd_rdai_channels_ctrl(struct rsnd_dai *rdai, |
526 | int max_channels) | |
527 | { | |
528 | if (max_channels > 0) | |
529 | rdai->max_channels = max_channels; | |
530 | ||
531 | return rdai->max_channels; | |
532 | } | |
533 | ||
534 | int rsnd_rdai_ssi_lane_ctrl(struct rsnd_dai *rdai, | |
535 | int ssi_lane) | |
536 | { | |
537 | if (ssi_lane > 0) | |
538 | rdai->ssi_lane = ssi_lane; | |
539 | ||
540 | return rdai->ssi_lane; | |
541 | } | |
542 | ||
710d0889 | 543 | struct rsnd_dai *rsnd_rdai_get(struct rsnd_priv *priv, int id) |
1536a968 | 544 | { |
ecba9e72 | 545 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) |
2192f81c KM |
546 | return NULL; |
547 | ||
1536a968 KM |
548 | return priv->rdai + id; |
549 | } | |
550 | ||
a0d847c3 KM |
551 | static struct snd_soc_dai_driver |
552 | *rsnd_daidrv_get(struct rsnd_priv *priv, int id) | |
553 | { | |
554 | if ((id < 0) || (id >= rsnd_rdai_nr(priv))) | |
555 | return NULL; | |
556 | ||
557 | return priv->daidrv + id; | |
558 | } | |
559 | ||
eb2535f5 | 560 | #define rsnd_dai_to_priv(dai) snd_soc_dai_get_drvdata(dai) |
1536a968 KM |
561 | static struct rsnd_dai *rsnd_dai_to_rdai(struct snd_soc_dai *dai) |
562 | { | |
eb2535f5 | 563 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 | 564 | |
710d0889 | 565 | return rsnd_rdai_get(priv, dai->id); |
1536a968 KM |
566 | } |
567 | ||
1536a968 KM |
568 | /* |
569 | * rsnd_soc_dai functions | |
570 | */ | |
75defee0 KM |
571 | void rsnd_dai_period_elapsed(struct rsnd_dai_stream *io) |
572 | { | |
573 | struct snd_pcm_substream *substream = io->substream; | |
574 | ||
575 | /* | |
576 | * this function should be called... | |
577 | * | |
578 | * - if rsnd_dai_pointer_update() returns true | |
579 | * - without spin lock | |
580 | */ | |
581 | ||
582 | snd_pcm_period_elapsed(substream); | |
1536a968 KM |
583 | } |
584 | ||
5626ad08 | 585 | static void rsnd_dai_stream_init(struct rsnd_dai_stream *io, |
1536a968 KM |
586 | struct snd_pcm_substream *substream) |
587 | { | |
1536a968 | 588 | io->substream = substream; |
5626ad08 | 589 | } |
1536a968 | 590 | |
5626ad08 KM |
591 | static void rsnd_dai_stream_quit(struct rsnd_dai_stream *io) |
592 | { | |
593 | io->substream = NULL; | |
1536a968 KM |
594 | } |
595 | ||
596 | static | |
597 | struct snd_soc_dai *rsnd_substream_to_dai(struct snd_pcm_substream *substream) | |
598 | { | |
599 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
600 | ||
601 | return rtd->cpu_dai; | |
602 | } | |
603 | ||
604 | static | |
605 | struct rsnd_dai_stream *rsnd_rdai_to_io(struct rsnd_dai *rdai, | |
606 | struct snd_pcm_substream *substream) | |
607 | { | |
608 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) | |
609 | return &rdai->playback; | |
610 | else | |
611 | return &rdai->capture; | |
612 | } | |
613 | ||
614 | static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd, | |
615 | struct snd_soc_dai *dai) | |
616 | { | |
eb2535f5 | 617 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); |
1536a968 KM |
618 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); |
619 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1536a968 KM |
620 | int ret; |
621 | unsigned long flags; | |
622 | ||
02299d98 | 623 | spin_lock_irqsave(&priv->lock, flags); |
1536a968 KM |
624 | |
625 | switch (cmd) { | |
626 | case SNDRV_PCM_TRIGGER_START: | |
4b9c75ea | 627 | case SNDRV_PCM_TRIGGER_RESUME: |
690602fc | 628 | ret = rsnd_dai_call(init, io, priv); |
cdaa3cdf KM |
629 | if (ret < 0) |
630 | goto dai_trigger_end; | |
631 | ||
690602fc | 632 | ret = rsnd_dai_call(start, io, priv); |
cdaa3cdf KM |
633 | if (ret < 0) |
634 | goto dai_trigger_end; | |
b5b442ab KM |
635 | |
636 | ret = rsnd_dai_call(irq, io, priv, 1); | |
637 | if (ret < 0) | |
638 | goto dai_trigger_end; | |
639 | ||
1536a968 KM |
640 | break; |
641 | case SNDRV_PCM_TRIGGER_STOP: | |
4b9c75ea | 642 | case SNDRV_PCM_TRIGGER_SUSPEND: |
b5b442ab KM |
643 | ret = rsnd_dai_call(irq, io, priv, 0); |
644 | ||
645 | ret |= rsnd_dai_call(stop, io, priv); | |
cdaa3cdf | 646 | |
89e3e2c3 | 647 | ret |= rsnd_dai_call(quit, io, priv); |
cdaa3cdf | 648 | |
1536a968 KM |
649 | break; |
650 | default: | |
651 | ret = -EINVAL; | |
652 | } | |
653 | ||
654 | dai_trigger_end: | |
02299d98 | 655 | spin_unlock_irqrestore(&priv->lock, flags); |
1536a968 KM |
656 | |
657 | return ret; | |
658 | } | |
659 | ||
660 | static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
661 | { | |
662 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
663 | ||
664 | /* set master/slave audio interface */ | |
665 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
666 | case SND_SOC_DAIFMT_CBM_CFM: | |
e1508289 | 667 | rdai->clk_master = 0; |
1536a968 KM |
668 | break; |
669 | case SND_SOC_DAIFMT_CBS_CFS: | |
e1508289 | 670 | rdai->clk_master = 1; /* codec is slave, cpu is master */ |
1536a968 KM |
671 | break; |
672 | default: | |
673 | return -EINVAL; | |
674 | } | |
675 | ||
1536a968 KM |
676 | /* set format */ |
677 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
678 | case SND_SOC_DAIFMT_I2S: | |
679 | rdai->sys_delay = 0; | |
680 | rdai->data_alignment = 0; | |
1a7889ca | 681 | rdai->frm_clk_inv = 0; |
1536a968 KM |
682 | break; |
683 | case SND_SOC_DAIFMT_LEFT_J: | |
684 | rdai->sys_delay = 1; | |
685 | rdai->data_alignment = 0; | |
1a7889ca | 686 | rdai->frm_clk_inv = 1; |
1536a968 KM |
687 | break; |
688 | case SND_SOC_DAIFMT_RIGHT_J: | |
689 | rdai->sys_delay = 1; | |
690 | rdai->data_alignment = 1; | |
1a7889ca KM |
691 | rdai->frm_clk_inv = 1; |
692 | break; | |
693 | } | |
694 | ||
695 | /* set clock inversion */ | |
696 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
697 | case SND_SOC_DAIFMT_NB_IF: | |
1a7889ca KM |
698 | rdai->frm_clk_inv = !rdai->frm_clk_inv; |
699 | break; | |
700 | case SND_SOC_DAIFMT_IB_NF: | |
701 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
1a7889ca KM |
702 | break; |
703 | case SND_SOC_DAIFMT_IB_IF: | |
704 | rdai->bit_clk_inv = !rdai->bit_clk_inv; | |
705 | rdai->frm_clk_inv = !rdai->frm_clk_inv; | |
706 | break; | |
707 | case SND_SOC_DAIFMT_NB_NF: | |
708 | default: | |
1536a968 KM |
709 | break; |
710 | } | |
711 | ||
712 | return 0; | |
713 | } | |
714 | ||
186fadc1 KM |
715 | static int rsnd_soc_set_dai_tdm_slot(struct snd_soc_dai *dai, |
716 | u32 tx_mask, u32 rx_mask, | |
717 | int slots, int slot_width) | |
718 | { | |
719 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
720 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
721 | struct device *dev = rsnd_priv_to_dev(priv); | |
722 | ||
723 | switch (slots) { | |
8cc03722 | 724 | case 2: |
186fadc1 | 725 | case 6: |
8cc03722 | 726 | case 8: |
186fadc1 | 727 | /* TDM Extend Mode */ |
1ff9593d KM |
728 | rsnd_rdai_channels_set(rdai, slots); |
729 | rsnd_rdai_ssi_lane_set(rdai, 1); | |
186fadc1 KM |
730 | break; |
731 | default: | |
732 | dev_err(dev, "unsupported TDM slots (%d)\n", slots); | |
733 | return -EINVAL; | |
734 | } | |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
8cc03722 | 739 | static unsigned int rsnd_soc_hw_channels_list[] = { |
29d03ff5 | 740 | 2, 6, 8, |
8cc03722 KM |
741 | }; |
742 | ||
743 | static unsigned int rsnd_soc_hw_rate_list[] = { | |
744 | 8000, | |
745 | 11025, | |
746 | 16000, | |
747 | 22050, | |
748 | 32000, | |
749 | 44100, | |
750 | 48000, | |
751 | 64000, | |
752 | 88200, | |
753 | 96000, | |
754 | 176400, | |
755 | 192000, | |
756 | }; | |
757 | ||
758 | static int rsnd_soc_hw_rule(struct rsnd_priv *priv, | |
759 | unsigned int *list, int list_num, | |
760 | struct snd_interval *baseline, struct snd_interval *iv) | |
761 | { | |
762 | struct snd_interval p; | |
947f4eb5 | 763 | unsigned int rate; |
8cc03722 KM |
764 | int i; |
765 | ||
766 | snd_interval_any(&p); | |
767 | p.min = UINT_MAX; | |
768 | p.max = 0; | |
769 | ||
770 | for (i = 0; i < list_num; i++) { | |
771 | ||
772 | if (!snd_interval_test(iv, list[i])) | |
773 | continue; | |
774 | ||
775 | rate = rsnd_ssi_clk_query(priv, | |
776 | baseline->min, list[i], NULL); | |
777 | if (rate > 0) { | |
778 | p.min = min(p.min, list[i]); | |
779 | p.max = max(p.max, list[i]); | |
780 | } | |
781 | ||
782 | rate = rsnd_ssi_clk_query(priv, | |
783 | baseline->max, list[i], NULL); | |
784 | if (rate > 0) { | |
785 | p.min = min(p.min, list[i]); | |
786 | p.max = max(p.max, list[i]); | |
787 | } | |
788 | } | |
789 | ||
790 | return snd_interval_refine(iv, &p); | |
791 | } | |
792 | ||
b2fb31bb KM |
793 | static int __rsnd_soc_hw_rule_rate(struct snd_pcm_hw_params *params, |
794 | struct snd_pcm_hw_rule *rule, | |
795 | int is_play) | |
8cc03722 KM |
796 | { |
797 | struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); | |
798 | struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
799 | struct snd_interval ic; | |
800 | struct snd_soc_dai *dai = rule->private; | |
801 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
802 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
b2fb31bb | 803 | struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture; |
8cc03722 KM |
804 | |
805 | /* | |
806 | * possible sampling rate limitation is same as | |
807 | * 2ch if it supports multi ssi | |
b2fb31bb | 808 | * and same as 8ch if TDM 6ch (see rsnd_ssi_config_init()) |
8cc03722 KM |
809 | */ |
810 | ic = *ic_; | |
b2fb31bb KM |
811 | ic.min = |
812 | ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params); | |
8cc03722 KM |
813 | |
814 | return rsnd_soc_hw_rule(priv, rsnd_soc_hw_rate_list, | |
815 | ARRAY_SIZE(rsnd_soc_hw_rate_list), | |
816 | &ic, ir); | |
817 | } | |
818 | ||
b2fb31bb KM |
819 | static int rsnd_soc_hw_rule_rate_playback(struct snd_pcm_hw_params *params, |
820 | struct snd_pcm_hw_rule *rule) | |
821 | { | |
822 | return __rsnd_soc_hw_rule_rate(params, rule, 1); | |
823 | } | |
824 | ||
825 | static int rsnd_soc_hw_rule_rate_capture(struct snd_pcm_hw_params *params, | |
826 | struct snd_pcm_hw_rule *rule) | |
827 | { | |
828 | return __rsnd_soc_hw_rule_rate(params, rule, 0); | |
829 | } | |
8cc03722 | 830 | |
b2fb31bb KM |
831 | static int __rsnd_soc_hw_rule_channels(struct snd_pcm_hw_params *params, |
832 | struct snd_pcm_hw_rule *rule, | |
833 | int is_play) | |
8cc03722 KM |
834 | { |
835 | struct snd_interval *ic_ = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); | |
836 | struct snd_interval *ir = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); | |
837 | struct snd_interval ic; | |
838 | struct snd_soc_dai *dai = rule->private; | |
839 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
840 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
b2fb31bb | 841 | struct rsnd_dai_stream *io = is_play ? &rdai->playback : &rdai->capture; |
8cc03722 KM |
842 | |
843 | /* | |
844 | * possible sampling rate limitation is same as | |
845 | * 2ch if it supports multi ssi | |
b2fb31bb | 846 | * and same as 8ch if TDM 6ch (see rsnd_ssi_config_init()) |
8cc03722 KM |
847 | */ |
848 | ic = *ic_; | |
b2fb31bb KM |
849 | ic.min = |
850 | ic.max = rsnd_runtime_channel_for_ssi_with_params(io, params); | |
8cc03722 KM |
851 | |
852 | return rsnd_soc_hw_rule(priv, rsnd_soc_hw_channels_list, | |
853 | ARRAY_SIZE(rsnd_soc_hw_channels_list), | |
854 | ir, &ic); | |
855 | } | |
856 | ||
b2fb31bb KM |
857 | static int rsnd_soc_hw_rule_channels_playback(struct snd_pcm_hw_params *params, |
858 | struct snd_pcm_hw_rule *rule) | |
859 | { | |
860 | return __rsnd_soc_hw_rule_channels(params, rule, 1); | |
861 | } | |
862 | ||
863 | static int rsnd_soc_hw_rule_channels_capture(struct snd_pcm_hw_params *params, | |
864 | struct snd_pcm_hw_rule *rule) | |
865 | { | |
866 | return __rsnd_soc_hw_rule_channels(params, rule, 0); | |
867 | } | |
868 | ||
5c2e035e | 869 | static const struct snd_pcm_hardware rsnd_pcm_hardware = { |
3c9736aa KM |
870 | .info = SNDRV_PCM_INFO_INTERLEAVED | |
871 | SNDRV_PCM_INFO_MMAP | | |
872 | SNDRV_PCM_INFO_MMAP_VALID, | |
873 | .buffer_bytes_max = 64 * 1024, | |
874 | .period_bytes_min = 32, | |
875 | .period_bytes_max = 8192, | |
876 | .periods_min = 1, | |
877 | .periods_max = 32, | |
878 | .fifo_size = 256, | |
879 | }; | |
880 | ||
881 | static int rsnd_soc_dai_startup(struct snd_pcm_substream *substream, | |
882 | struct snd_soc_dai *dai) | |
8cc03722 KM |
883 | { |
884 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
3c9736aa KM |
885 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); |
886 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
8cc03722 | 887 | struct snd_pcm_hw_constraint_list *constraint = &rdai->constraint; |
3c9736aa | 888 | struct snd_pcm_runtime *runtime = substream->runtime; |
8cc03722 | 889 | unsigned int max_channels = rsnd_rdai_channels_get(rdai); |
3c9736aa | 890 | int ret; |
8cc03722 KM |
891 | int i; |
892 | ||
b2fb31bb KM |
893 | rsnd_dai_stream_init(io, substream); |
894 | ||
8cc03722 KM |
895 | /* |
896 | * Channel Limitation | |
897 | * It depends on Platform design | |
898 | */ | |
899 | constraint->list = rsnd_soc_hw_channels_list; | |
900 | constraint->count = 0; | |
901 | constraint->mask = 0; | |
902 | ||
903 | for (i = 0; i < ARRAY_SIZE(rsnd_soc_hw_channels_list); i++) { | |
904 | if (rsnd_soc_hw_channels_list[i] > max_channels) | |
905 | break; | |
906 | constraint->count = i + 1; | |
907 | } | |
908 | ||
3c9736aa KM |
909 | snd_soc_set_runtime_hwparams(substream, &rsnd_pcm_hardware); |
910 | ||
8cc03722 KM |
911 | snd_pcm_hw_constraint_list(runtime, 0, |
912 | SNDRV_PCM_HW_PARAM_CHANNELS, constraint); | |
913 | ||
3c9736aa KM |
914 | snd_pcm_hw_constraint_integer(runtime, |
915 | SNDRV_PCM_HW_PARAM_PERIODS); | |
916 | ||
8cc03722 KM |
917 | /* |
918 | * Sampling Rate / Channel Limitation | |
919 | * It depends on Clock Master Mode | |
920 | */ | |
3c9736aa | 921 | if (rsnd_rdai_is_clk_master(rdai)) { |
b2fb31bb KM |
922 | int is_play = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; |
923 | ||
3c9736aa | 924 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, |
b2fb31bb KM |
925 | is_play ? rsnd_soc_hw_rule_rate_playback : |
926 | rsnd_soc_hw_rule_rate_capture, | |
927 | dai, | |
3c9736aa KM |
928 | SNDRV_PCM_HW_PARAM_CHANNELS, -1); |
929 | snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, | |
b2fb31bb KM |
930 | is_play ? rsnd_soc_hw_rule_channels_playback : |
931 | rsnd_soc_hw_rule_channels_capture, | |
932 | dai, | |
3c9736aa KM |
933 | SNDRV_PCM_HW_PARAM_RATE, -1); |
934 | } | |
8cc03722 | 935 | |
10a9cca1 KM |
936 | /* |
937 | * call rsnd_dai_call without spinlock | |
938 | */ | |
2adcea7e KM |
939 | ret = rsnd_dai_call(nolock_start, io, priv); |
940 | if (ret < 0) | |
941 | rsnd_dai_call(nolock_stop, io, priv); | |
942 | ||
943 | return ret; | |
10a9cca1 KM |
944 | } |
945 | ||
946 | static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream, | |
947 | struct snd_soc_dai *dai) | |
948 | { | |
949 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
f30b4ca4 | 950 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); |
10a9cca1 KM |
951 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); |
952 | ||
953 | /* | |
954 | * call rsnd_dai_call without spinlock | |
955 | */ | |
956 | rsnd_dai_call(nolock_stop, io, priv); | |
b2fb31bb KM |
957 | |
958 | rsnd_dai_stream_quit(io); | |
10a9cca1 KM |
959 | } |
960 | ||
4d230d12 JW |
961 | static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream, |
962 | struct snd_soc_dai *dai) | |
963 | { | |
964 | struct rsnd_priv *priv = rsnd_dai_to_priv(dai); | |
965 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
966 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
967 | ||
968 | return rsnd_dai_call(prepare, io, priv); | |
969 | } | |
970 | ||
1536a968 | 971 | static const struct snd_soc_dai_ops rsnd_soc_dai_ops = { |
10a9cca1 KM |
972 | .startup = rsnd_soc_dai_startup, |
973 | .shutdown = rsnd_soc_dai_shutdown, | |
1536a968 KM |
974 | .trigger = rsnd_soc_dai_trigger, |
975 | .set_fmt = rsnd_soc_dai_set_fmt, | |
186fadc1 | 976 | .set_tdm_slot = rsnd_soc_set_dai_tdm_slot, |
4d230d12 | 977 | .prepare = rsnd_soc_dai_prepare, |
1536a968 KM |
978 | }; |
979 | ||
89b66174 KM |
980 | void rsnd_parse_connect_common(struct rsnd_dai *rdai, |
981 | struct rsnd_mod* (*mod_get)(struct rsnd_priv *priv, int id), | |
982 | struct device_node *node, | |
983 | struct device_node *playback, | |
984 | struct device_node *capture) | |
985 | { | |
986 | struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai); | |
987 | struct device_node *np; | |
988 | struct rsnd_mod *mod; | |
989 | int i; | |
990 | ||
991 | if (!node) | |
992 | return; | |
993 | ||
994 | i = 0; | |
995 | for_each_child_of_node(node, np) { | |
996 | mod = mod_get(priv, i); | |
997 | if (np == playback) | |
998 | rsnd_dai_connect(mod, &rdai->playback, mod->type); | |
999 | if (np == capture) | |
1000 | rsnd_dai_connect(mod, &rdai->capture, mod->type); | |
1001 | i++; | |
1002 | } | |
1003 | ||
1004 | of_node_put(node); | |
1005 | } | |
1006 | ||
11d0f8ed KM |
1007 | static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv, |
1008 | int *is_graph) | |
1009 | { | |
1010 | struct device *dev = rsnd_priv_to_dev(priv); | |
1011 | struct device_node *np = dev->of_node; | |
1012 | struct device_node *dai_node; | |
1013 | struct device_node *ret; | |
1014 | ||
1015 | *is_graph = 0; | |
1016 | ||
1017 | /* | |
1018 | * parse both previous dai (= rcar_sound,dai), and | |
1019 | * graph dai (= ports/port) | |
1020 | */ | |
1021 | dai_node = of_get_child_by_name(np, RSND_NODE_DAI); | |
1022 | if (dai_node) { | |
1023 | ret = dai_node; | |
1024 | goto of_node_compatible; | |
1025 | } | |
1026 | ||
1027 | ret = np; | |
1028 | ||
1029 | dai_node = of_graph_get_next_endpoint(np, NULL); | |
1030 | if (dai_node) | |
1031 | goto of_node_graph; | |
1032 | ||
1033 | return NULL; | |
1034 | ||
1035 | of_node_graph: | |
1036 | *is_graph = 1; | |
1037 | of_node_compatible: | |
1038 | of_node_put(dai_node); | |
1039 | ||
1040 | return ret; | |
1041 | } | |
1042 | ||
4d4b334b KM |
1043 | static void __rsnd_dai_probe(struct rsnd_priv *priv, |
1044 | struct device_node *dai_np, | |
9f761183 | 1045 | int dai_i) |
90e8e50f | 1046 | { |
90e8e50f | 1047 | struct device_node *playback, *capture; |
94e2710c KM |
1048 | struct rsnd_dai_stream *io_playback; |
1049 | struct rsnd_dai_stream *io_capture; | |
4d4b334b | 1050 | struct snd_soc_dai_driver *drv; |
94e2710c | 1051 | struct rsnd_dai *rdai; |
2ea6b074 | 1052 | struct device *dev = rsnd_priv_to_dev(priv); |
4d4b334b KM |
1053 | int io_i; |
1054 | ||
1055 | rdai = rsnd_rdai_get(priv, dai_i); | |
a0d847c3 | 1056 | drv = rsnd_daidrv_get(priv, dai_i); |
4d4b334b KM |
1057 | io_playback = &rdai->playback; |
1058 | io_capture = &rdai->capture; | |
1059 | ||
1060 | snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i); | |
1061 | ||
1062 | rdai->priv = priv; | |
1063 | drv->name = rdai->name; | |
1064 | drv->ops = &rsnd_soc_dai_ops; | |
1065 | ||
1066 | snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE, | |
1067 | "DAI%d Playback", dai_i); | |
1068 | drv->playback.rates = RSND_RATES; | |
1069 | drv->playback.formats = RSND_FMTS; | |
1070 | drv->playback.channels_min = 2; | |
29d03ff5 | 1071 | drv->playback.channels_max = 8; |
4d4b334b KM |
1072 | drv->playback.stream_name = rdai->playback.name; |
1073 | ||
1074 | snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE, | |
1075 | "DAI%d Capture", dai_i); | |
1076 | drv->capture.rates = RSND_RATES; | |
1077 | drv->capture.formats = RSND_FMTS; | |
1078 | drv->capture.channels_min = 2; | |
29d03ff5 | 1079 | drv->capture.channels_max = 8; |
4d4b334b KM |
1080 | drv->capture.stream_name = rdai->capture.name; |
1081 | ||
1082 | rdai->playback.rdai = rdai; | |
1083 | rdai->capture.rdai = rdai; | |
1ff9593d KM |
1084 | rsnd_rdai_channels_set(rdai, 2); /* default 2ch */ |
1085 | rsnd_rdai_ssi_lane_set(rdai, 1); /* default 1lane */ | |
4d4b334b KM |
1086 | |
1087 | for (io_i = 0;; io_i++) { | |
1088 | playback = of_parse_phandle(dai_np, "playback", io_i); | |
1089 | capture = of_parse_phandle(dai_np, "capture", io_i); | |
1090 | ||
1091 | if (!playback && !capture) | |
1092 | break; | |
1093 | ||
1094 | rsnd_parse_connect_ssi(rdai, playback, capture); | |
1095 | rsnd_parse_connect_src(rdai, playback, capture); | |
1096 | rsnd_parse_connect_ctu(rdai, playback, capture); | |
1097 | rsnd_parse_connect_mix(rdai, playback, capture); | |
1098 | rsnd_parse_connect_dvc(rdai, playback, capture); | |
1099 | ||
1100 | of_node_put(playback); | |
1101 | of_node_put(capture); | |
1102 | } | |
1103 | ||
7cc90a5c KM |
1104 | if (rsnd_ssi_is_pin_sharing(io_capture) || |
1105 | rsnd_ssi_is_pin_sharing(io_playback)) { | |
1106 | /* should have symmetric_rates if pin sharing */ | |
1107 | drv->symmetric_rates = 1; | |
1108 | } | |
1109 | ||
4d4b334b KM |
1110 | dev_dbg(dev, "%s (%s/%s)\n", rdai->name, |
1111 | rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ", | |
1112 | rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- "); | |
1113 | } | |
1114 | ||
1115 | static int rsnd_dai_probe(struct rsnd_priv *priv) | |
1116 | { | |
1117 | struct device_node *dai_node; | |
1118 | struct device_node *dai_np; | |
1119 | struct snd_soc_dai_driver *rdrv; | |
1120 | struct device *dev = rsnd_priv_to_dev(priv); | |
1121 | struct rsnd_dai *rdai; | |
1122 | int nr; | |
11d0f8ed | 1123 | int is_graph; |
4d4b334b | 1124 | int dai_i; |
90e8e50f | 1125 | |
11d0f8ed | 1126 | dai_node = rsnd_dai_of_node(priv, &is_graph); |
4d4b334b KM |
1127 | if (is_graph) |
1128 | nr = of_graph_get_endpoint_count(dai_node); | |
1129 | else | |
1130 | nr = of_get_child_count(dai_node); | |
1131 | ||
1132 | if (!nr) | |
1133 | return -EINVAL; | |
90e8e50f | 1134 | |
a86854d0 KC |
1135 | rdrv = devm_kcalloc(dev, nr, sizeof(*rdrv), GFP_KERNEL); |
1136 | rdai = devm_kcalloc(dev, nr, sizeof(*rdai), GFP_KERNEL); | |
4d4b334b KM |
1137 | if (!rdrv || !rdai) |
1138 | return -ENOMEM; | |
90e8e50f | 1139 | |
94e2710c | 1140 | priv->rdai_nr = nr; |
2ff2ecca | 1141 | priv->daidrv = rdrv; |
94e2710c | 1142 | priv->rdai = rdai; |
90e8e50f KM |
1143 | |
1144 | /* | |
1145 | * parse all dai | |
1146 | */ | |
1147 | dai_i = 0; | |
4d4b334b | 1148 | if (is_graph) { |
7fa72cca | 1149 | for_each_endpoint_of_node(dai_node, dai_np) { |
9f761183 | 1150 | __rsnd_dai_probe(priv, dai_np, dai_i); |
7fa72cca KM |
1151 | rsnd_ssi_parse_hdmi_connection(priv, dai_np, dai_i); |
1152 | dai_i++; | |
1153 | } | |
4d4b334b KM |
1154 | } else { |
1155 | for_each_child_of_node(dai_node, dai_np) | |
9f761183 | 1156 | __rsnd_dai_probe(priv, dai_np, dai_i++); |
1536a968 KM |
1157 | } |
1158 | ||
4d4b334b | 1159 | return 0; |
1536a968 KM |
1160 | } |
1161 | ||
1536a968 KM |
1162 | /* |
1163 | * pcm ops | |
1164 | */ | |
1536a968 KM |
1165 | static int rsnd_hw_params(struct snd_pcm_substream *substream, |
1166 | struct snd_pcm_hw_params *hw_params) | |
1167 | { | |
3b7843ff KM |
1168 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
1169 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
1170 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
1171 | int ret; | |
1172 | ||
1173 | ret = rsnd_dai_call(hw_params, io, substream, hw_params); | |
1174 | if (ret) | |
1175 | return ret; | |
1176 | ||
1536a968 KM |
1177 | return snd_pcm_lib_malloc_pages(substream, |
1178 | params_buffer_bytes(hw_params)); | |
1179 | } | |
1180 | ||
1181 | static snd_pcm_uframes_t rsnd_pointer(struct snd_pcm_substream *substream) | |
1182 | { | |
1536a968 KM |
1183 | struct snd_soc_dai *dai = rsnd_substream_to_dai(substream); |
1184 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
1185 | struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream); | |
07b7acb5 KM |
1186 | snd_pcm_uframes_t pointer = 0; |
1187 | ||
1188 | rsnd_dai_call(pointer, io, &pointer); | |
1536a968 | 1189 | |
07b7acb5 | 1190 | return pointer; |
1536a968 KM |
1191 | } |
1192 | ||
b23bd34c | 1193 | static const struct snd_pcm_ops rsnd_pcm_ops = { |
1536a968 KM |
1194 | .ioctl = snd_pcm_lib_ioctl, |
1195 | .hw_params = rsnd_hw_params, | |
1196 | .hw_free = snd_pcm_lib_free_pages, | |
1197 | .pointer = rsnd_pointer, | |
1198 | }; | |
1199 | ||
170a2497 KM |
1200 | /* |
1201 | * snd_kcontrol | |
1202 | */ | |
170a2497 KM |
1203 | static int rsnd_kctrl_info(struct snd_kcontrol *kctrl, |
1204 | struct snd_ctl_elem_info *uinfo) | |
1205 | { | |
16d44989 | 1206 | struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl); |
170a2497 KM |
1207 | |
1208 | if (cfg->texts) { | |
1209 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
1210 | uinfo->count = cfg->size; | |
1211 | uinfo->value.enumerated.items = cfg->max; | |
1212 | if (uinfo->value.enumerated.item >= cfg->max) | |
1213 | uinfo->value.enumerated.item = cfg->max - 1; | |
1214 | strlcpy(uinfo->value.enumerated.name, | |
1215 | cfg->texts[uinfo->value.enumerated.item], | |
1216 | sizeof(uinfo->value.enumerated.name)); | |
1217 | } else { | |
1218 | uinfo->count = cfg->size; | |
1219 | uinfo->value.integer.min = 0; | |
1220 | uinfo->value.integer.max = cfg->max; | |
1221 | uinfo->type = (cfg->max == 1) ? | |
1222 | SNDRV_CTL_ELEM_TYPE_BOOLEAN : | |
1223 | SNDRV_CTL_ELEM_TYPE_INTEGER; | |
1224 | } | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | ||
1229 | static int rsnd_kctrl_get(struct snd_kcontrol *kctrl, | |
1230 | struct snd_ctl_elem_value *uc) | |
1231 | { | |
16d44989 | 1232 | struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl); |
170a2497 KM |
1233 | int i; |
1234 | ||
1235 | for (i = 0; i < cfg->size; i++) | |
1236 | if (cfg->texts) | |
1237 | uc->value.enumerated.item[i] = cfg->val[i]; | |
1238 | else | |
1239 | uc->value.integer.value[i] = cfg->val[i]; | |
1240 | ||
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | static int rsnd_kctrl_put(struct snd_kcontrol *kctrl, | |
1245 | struct snd_ctl_elem_value *uc) | |
1246 | { | |
16d44989 | 1247 | struct rsnd_kctrl_cfg *cfg = snd_kcontrol_chip(kctrl); |
170a2497 KM |
1248 | int i, change = 0; |
1249 | ||
f0b04d8b KM |
1250 | if (!cfg->accept(cfg->io)) |
1251 | return 0; | |
1252 | ||
170a2497 KM |
1253 | for (i = 0; i < cfg->size; i++) { |
1254 | if (cfg->texts) { | |
1255 | change |= (uc->value.enumerated.item[i] != cfg->val[i]); | |
1256 | cfg->val[i] = uc->value.enumerated.item[i]; | |
1257 | } else { | |
1258 | change |= (uc->value.integer.value[i] != cfg->val[i]); | |
1259 | cfg->val[i] = uc->value.integer.value[i]; | |
1260 | } | |
1261 | } | |
1262 | ||
d7289565 | 1263 | if (change && cfg->update) |
16d44989 | 1264 | cfg->update(cfg->io, cfg->mod); |
170a2497 KM |
1265 | |
1266 | return change; | |
1267 | } | |
1268 | ||
f0b04d8b KM |
1269 | int rsnd_kctrl_accept_anytime(struct rsnd_dai_stream *io) |
1270 | { | |
1271 | return 1; | |
1272 | } | |
1273 | ||
1274 | int rsnd_kctrl_accept_runtime(struct rsnd_dai_stream *io) | |
1275 | { | |
1276 | struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); | |
1277 | ||
1278 | return !!runtime; | |
1279 | } | |
1280 | ||
32973dcf KM |
1281 | struct rsnd_kctrl_cfg *rsnd_kctrl_init_m(struct rsnd_kctrl_cfg_m *cfg) |
1282 | { | |
1283 | cfg->cfg.val = cfg->val; | |
1284 | ||
1285 | return &cfg->cfg; | |
1286 | } | |
1287 | ||
1288 | struct rsnd_kctrl_cfg *rsnd_kctrl_init_s(struct rsnd_kctrl_cfg_s *cfg) | |
1289 | { | |
1290 | cfg->cfg.val = &cfg->val; | |
1291 | ||
1292 | return &cfg->cfg; | |
1293 | } | |
1294 | ||
f3c26ac6 KM |
1295 | const char * const volume_ramp_rate[] = { |
1296 | "128 dB/1 step", /* 00000 */ | |
1297 | "64 dB/1 step", /* 00001 */ | |
1298 | "32 dB/1 step", /* 00010 */ | |
1299 | "16 dB/1 step", /* 00011 */ | |
1300 | "8 dB/1 step", /* 00100 */ | |
1301 | "4 dB/1 step", /* 00101 */ | |
1302 | "2 dB/1 step", /* 00110 */ | |
1303 | "1 dB/1 step", /* 00111 */ | |
1304 | "0.5 dB/1 step", /* 01000 */ | |
1305 | "0.25 dB/1 step", /* 01001 */ | |
3e3c9ee1 | 1306 | "0.125 dB/1 step", /* 01010 = VOLUME_RAMP_MAX_MIX */ |
f3c26ac6 KM |
1307 | "0.125 dB/2 steps", /* 01011 */ |
1308 | "0.125 dB/4 steps", /* 01100 */ | |
1309 | "0.125 dB/8 steps", /* 01101 */ | |
1310 | "0.125 dB/16 steps", /* 01110 */ | |
1311 | "0.125 dB/32 steps", /* 01111 */ | |
1312 | "0.125 dB/64 steps", /* 10000 */ | |
1313 | "0.125 dB/128 steps", /* 10001 */ | |
1314 | "0.125 dB/256 steps", /* 10010 */ | |
1315 | "0.125 dB/512 steps", /* 10011 */ | |
1316 | "0.125 dB/1024 steps", /* 10100 */ | |
1317 | "0.125 dB/2048 steps", /* 10101 */ | |
1318 | "0.125 dB/4096 steps", /* 10110 */ | |
1319 | "0.125 dB/8192 steps", /* 10111 = VOLUME_RAMP_MAX_DVC */ | |
1320 | }; | |
1321 | ||
32973dcf KM |
1322 | int rsnd_kctrl_new(struct rsnd_mod *mod, |
1323 | struct rsnd_dai_stream *io, | |
1324 | struct snd_soc_pcm_runtime *rtd, | |
1325 | const unsigned char *name, | |
f0b04d8b | 1326 | int (*accept)(struct rsnd_dai_stream *io), |
32973dcf KM |
1327 | void (*update)(struct rsnd_dai_stream *io, |
1328 | struct rsnd_mod *mod), | |
1329 | struct rsnd_kctrl_cfg *cfg, | |
1330 | const char * const *texts, | |
1331 | int size, | |
1332 | u32 max) | |
170a2497 KM |
1333 | { |
1334 | struct snd_card *card = rtd->card->snd_card; | |
1335 | struct snd_kcontrol *kctrl; | |
1336 | struct snd_kcontrol_new knew = { | |
1337 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1338 | .name = name, | |
1339 | .info = rsnd_kctrl_info, | |
1a497983 | 1340 | .index = rtd->num, |
170a2497 KM |
1341 | .get = rsnd_kctrl_get, |
1342 | .put = rsnd_kctrl_put, | |
170a2497 KM |
1343 | }; |
1344 | int ret; | |
1345 | ||
32973dcf KM |
1346 | if (size > RSND_MAX_CHANNELS) |
1347 | return -EINVAL; | |
1348 | ||
16d44989 | 1349 | kctrl = snd_ctl_new1(&knew, cfg); |
170a2497 KM |
1350 | if (!kctrl) |
1351 | return -ENOMEM; | |
1352 | ||
1353 | ret = snd_ctl_add(card, kctrl); | |
0ea617a2 | 1354 | if (ret < 0) |
170a2497 KM |
1355 | return ret; |
1356 | ||
32973dcf KM |
1357 | cfg->texts = texts; |
1358 | cfg->max = max; | |
1359 | cfg->size = size; | |
f0b04d8b | 1360 | cfg->accept = accept; |
32973dcf KM |
1361 | cfg->update = update; |
1362 | cfg->card = card; | |
1363 | cfg->kctrl = kctrl; | |
1364 | cfg->io = io; | |
16d44989 | 1365 | cfg->mod = mod; |
170a2497 KM |
1366 | |
1367 | return 0; | |
1368 | } | |
1369 | ||
1536a968 | 1370 | /* |
019ea01b | 1371 | * snd_soc_component |
1536a968 KM |
1372 | */ |
1373 | ||
1374 | #define PREALLOC_BUFFER (32 * 1024) | |
1375 | #define PREALLOC_BUFFER_MAX (32 * 1024) | |
1376 | ||
5423d772 KM |
1377 | static int rsnd_preallocate_pages(struct snd_soc_pcm_runtime *rtd, |
1378 | struct rsnd_dai_stream *io, | |
1379 | int stream) | |
1380 | { | |
1381 | struct rsnd_priv *priv = rsnd_io_to_priv(io); | |
1382 | struct device *dev = rsnd_priv_to_dev(priv); | |
1383 | struct snd_pcm_substream *substream; | |
1384 | int err; | |
1385 | ||
1386 | /* | |
1387 | * use Audio-DMAC dev if we can use IPMMU | |
1388 | * see | |
1389 | * rsnd_dmaen_attach() | |
1390 | */ | |
1391 | if (io->dmac_dev) | |
1392 | dev = io->dmac_dev; | |
1393 | ||
1394 | for (substream = rtd->pcm->streams[stream].substream; | |
1395 | substream; | |
1396 | substream = substream->next) { | |
1397 | err = snd_pcm_lib_preallocate_pages(substream, | |
1398 | SNDRV_DMA_TYPE_DEV, | |
1399 | dev, | |
1400 | PREALLOC_BUFFER, PREALLOC_BUFFER_MAX); | |
1401 | if (err < 0) | |
1402 | return err; | |
1403 | } | |
1404 | ||
1405 | return 0; | |
1406 | } | |
1407 | ||
1536a968 KM |
1408 | static int rsnd_pcm_new(struct snd_soc_pcm_runtime *rtd) |
1409 | { | |
7c63f3c0 KM |
1410 | struct snd_soc_dai *dai = rtd->cpu_dai; |
1411 | struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai); | |
ae11a9be | 1412 | int ret; |
bff58ea4 | 1413 | |
ae11a9be KM |
1414 | ret = rsnd_dai_call(pcm_new, &rdai->playback, rtd); |
1415 | if (ret) | |
1416 | return ret; | |
bff58ea4 | 1417 | |
ae11a9be | 1418 | ret = rsnd_dai_call(pcm_new, &rdai->capture, rtd); |
7c63f3c0 KM |
1419 | if (ret) |
1420 | return ret; | |
bff58ea4 | 1421 | |
5423d772 KM |
1422 | ret = rsnd_preallocate_pages(rtd, &rdai->playback, |
1423 | SNDRV_PCM_STREAM_PLAYBACK); | |
1424 | if (ret) | |
1425 | return ret; | |
1426 | ||
1427 | ret = rsnd_preallocate_pages(rtd, &rdai->capture, | |
1428 | SNDRV_PCM_STREAM_CAPTURE); | |
1429 | if (ret) | |
1430 | return ret; | |
1431 | ||
1432 | return 0; | |
1536a968 KM |
1433 | } |
1434 | ||
019ea01b | 1435 | static const struct snd_soc_component_driver rsnd_soc_component = { |
1536a968 KM |
1436 | .ops = &rsnd_pcm_ops, |
1437 | .pcm_new = rsnd_pcm_new, | |
1536a968 KM |
1438 | .name = "rsnd", |
1439 | }; | |
1440 | ||
d3a76823 | 1441 | static int rsnd_rdai_continuance_probe(struct rsnd_priv *priv, |
f708d944 | 1442 | struct rsnd_dai_stream *io) |
d3a76823 | 1443 | { |
d3a76823 KM |
1444 | int ret; |
1445 | ||
690602fc | 1446 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 | 1447 | if (ret == -EAGAIN) { |
48d58281 | 1448 | struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io); |
9b87bfb2 | 1449 | struct rsnd_mod *mod; |
48d58281 KM |
1450 | int i; |
1451 | ||
d3a76823 KM |
1452 | /* |
1453 | * Fallback to PIO mode | |
1454 | */ | |
1455 | ||
1456 | /* | |
1457 | * call "remove" for SSI/SRC/DVC | |
1458 | * SSI will be switch to PIO mode if it was DMA mode | |
1459 | * see | |
1460 | * rsnd_dma_init() | |
97463e19 | 1461 | * rsnd_ssi_fallback() |
d3a76823 | 1462 | */ |
690602fc | 1463 | rsnd_dai_call(remove, io, priv); |
d3a76823 KM |
1464 | |
1465 | /* | |
48d58281 KM |
1466 | * remove all mod from io |
1467 | * and, re connect ssi | |
d3a76823 | 1468 | */ |
9b87bfb2 KM |
1469 | for_each_rsnd_mod(i, mod, io) |
1470 | rsnd_dai_disconnect(mod, io, i); | |
48d58281 | 1471 | rsnd_dai_connect(ssi_mod, io, RSND_MOD_SSI); |
d3a76823 | 1472 | |
97463e19 KM |
1473 | /* |
1474 | * fallback | |
1475 | */ | |
690602fc | 1476 | rsnd_dai_call(fallback, io, priv); |
97463e19 | 1477 | |
d3a76823 KM |
1478 | /* |
1479 | * retry to "probe". | |
1480 | * DAI has SSI which is PIO mode only now. | |
1481 | */ | |
690602fc | 1482 | ret = rsnd_dai_call(probe, io, priv); |
d3a76823 KM |
1483 | } |
1484 | ||
1485 | return ret; | |
1486 | } | |
1487 | ||
1536a968 KM |
1488 | /* |
1489 | * rsnd probe | |
1490 | */ | |
1491 | static int rsnd_probe(struct platform_device *pdev) | |
1492 | { | |
1536a968 KM |
1493 | struct rsnd_priv *priv; |
1494 | struct device *dev = &pdev->dev; | |
7681f6ac | 1495 | struct rsnd_dai *rdai; |
2ea6b074 | 1496 | int (*probe_func[])(struct rsnd_priv *priv) = { |
d1ac970f | 1497 | rsnd_gen_probe, |
288f392e | 1498 | rsnd_dma_probe, |
d1ac970f | 1499 | rsnd_ssi_probe, |
c7f69ab5 | 1500 | rsnd_ssiu_probe, |
ba9c949f | 1501 | rsnd_src_probe, |
9269e3c3 | 1502 | rsnd_ctu_probe, |
70fb1052 | 1503 | rsnd_mix_probe, |
bff58ea4 | 1504 | rsnd_dvc_probe, |
1b2ca0ad | 1505 | rsnd_cmd_probe, |
d1ac970f KM |
1506 | rsnd_adg_probe, |
1507 | rsnd_dai_probe, | |
1508 | }; | |
1509 | int ret, i; | |
1536a968 | 1510 | |
1536a968 KM |
1511 | /* |
1512 | * init priv data | |
1513 | */ | |
1514 | priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | |
0d7820d0 | 1515 | if (!priv) |
1536a968 | 1516 | return -ENODEV; |
1536a968 | 1517 | |
9f464f8e | 1518 | priv->pdev = pdev; |
6d8044b4 | 1519 | priv->flags = (unsigned long)of_device_get_match_data(dev); |
1536a968 KM |
1520 | spin_lock_init(&priv->lock); |
1521 | ||
1522 | /* | |
1523 | * init each module | |
1524 | */ | |
d1ac970f | 1525 | for (i = 0; i < ARRAY_SIZE(probe_func); i++) { |
2ea6b074 | 1526 | ret = probe_func[i](priv); |
d1ac970f KM |
1527 | if (ret) |
1528 | return ret; | |
1529 | } | |
07539c1d | 1530 | |
7681f6ac | 1531 | for_each_rsnd_dai(rdai, priv, i) { |
f708d944 | 1532 | ret = rsnd_rdai_continuance_probe(priv, &rdai->playback); |
7681f6ac | 1533 | if (ret) |
d62a3dcd | 1534 | goto exit_snd_probe; |
dfc9403b | 1535 | |
f708d944 | 1536 | ret = rsnd_rdai_continuance_probe(priv, &rdai->capture); |
7681f6ac | 1537 | if (ret) |
d62a3dcd | 1538 | goto exit_snd_probe; |
7681f6ac | 1539 | } |
4b4dab82 | 1540 | |
0b1f6ec7 KM |
1541 | dev_set_drvdata(dev, priv); |
1542 | ||
1536a968 KM |
1543 | /* |
1544 | * asoc register | |
1545 | */ | |
019ea01b | 1546 | ret = devm_snd_soc_register_component(dev, &rsnd_soc_component, |
ecba9e72 | 1547 | priv->daidrv, rsnd_rdai_nr(priv)); |
1536a968 KM |
1548 | if (ret < 0) { |
1549 | dev_err(dev, "cannot snd dai register\n"); | |
019ea01b | 1550 | goto exit_snd_probe; |
1536a968 KM |
1551 | } |
1552 | ||
1536a968 KM |
1553 | pm_runtime_enable(dev); |
1554 | ||
1555 | dev_info(dev, "probed\n"); | |
1556 | return ret; | |
1557 | ||
d62a3dcd KM |
1558 | exit_snd_probe: |
1559 | for_each_rsnd_dai(rdai, priv, i) { | |
690602fc KM |
1560 | rsnd_dai_call(remove, &rdai->playback, priv); |
1561 | rsnd_dai_call(remove, &rdai->capture, priv); | |
d62a3dcd | 1562 | } |
1536a968 | 1563 | |
6c92d5a2 KM |
1564 | /* |
1565 | * adg is very special mod which can't use rsnd_dai_call(remove), | |
1566 | * and it registers ADG clock on probe. | |
1567 | * It should be unregister if probe failed. | |
1568 | * Mainly it is assuming -EPROBE_DEFER case | |
1569 | */ | |
1570 | rsnd_adg_remove(priv); | |
1571 | ||
1536a968 KM |
1572 | return ret; |
1573 | } | |
1574 | ||
1575 | static int rsnd_remove(struct platform_device *pdev) | |
1576 | { | |
1577 | struct rsnd_priv *priv = dev_get_drvdata(&pdev->dev); | |
7681f6ac | 1578 | struct rsnd_dai *rdai; |
2ea6b074 | 1579 | void (*remove_func[])(struct rsnd_priv *priv) = { |
2f78dd7f | 1580 | rsnd_ssi_remove, |
c7f69ab5 | 1581 | rsnd_ssiu_remove, |
2f78dd7f | 1582 | rsnd_src_remove, |
9269e3c3 | 1583 | rsnd_ctu_remove, |
70fb1052 | 1584 | rsnd_mix_remove, |
2f78dd7f | 1585 | rsnd_dvc_remove, |
1b2ca0ad | 1586 | rsnd_cmd_remove, |
68a55024 | 1587 | rsnd_adg_remove, |
2f78dd7f | 1588 | }; |
d62a3dcd | 1589 | int ret = 0, i; |
1536a968 | 1590 | |
180d9ef5 KM |
1591 | snd_soc_disconnect_sync(&pdev->dev); |
1592 | ||
1536a968 KM |
1593 | pm_runtime_disable(&pdev->dev); |
1594 | ||
7681f6ac | 1595 | for_each_rsnd_dai(rdai, priv, i) { |
690602fc KM |
1596 | ret |= rsnd_dai_call(remove, &rdai->playback, priv); |
1597 | ret |= rsnd_dai_call(remove, &rdai->capture, priv); | |
7681f6ac | 1598 | } |
1536a968 | 1599 | |
2f78dd7f | 1600 | for (i = 0; i < ARRAY_SIZE(remove_func); i++) |
2ea6b074 | 1601 | remove_func[i](priv); |
2f78dd7f | 1602 | |
d62a3dcd | 1603 | return ret; |
1536a968 KM |
1604 | } |
1605 | ||
6f542703 | 1606 | static int __maybe_unused rsnd_suspend(struct device *dev) |
c2d31718 KM |
1607 | { |
1608 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1609 | ||
1610 | rsnd_adg_clk_disable(priv); | |
1611 | ||
1612 | return 0; | |
1613 | } | |
1614 | ||
6f542703 | 1615 | static int __maybe_unused rsnd_resume(struct device *dev) |
c2d31718 KM |
1616 | { |
1617 | struct rsnd_priv *priv = dev_get_drvdata(dev); | |
1618 | ||
1619 | rsnd_adg_clk_enable(priv); | |
1620 | ||
1621 | return 0; | |
1622 | } | |
1623 | ||
49ebf13b | 1624 | static const struct dev_pm_ops rsnd_pm_ops = { |
f8a9a29c | 1625 | SET_SYSTEM_SLEEP_PM_OPS(rsnd_suspend, rsnd_resume) |
c2d31718 KM |
1626 | }; |
1627 | ||
1536a968 KM |
1628 | static struct platform_driver rsnd_driver = { |
1629 | .driver = { | |
1630 | .name = "rcar_sound", | |
c2d31718 | 1631 | .pm = &rsnd_pm_ops, |
90e8e50f | 1632 | .of_match_table = rsnd_of_match, |
1536a968 KM |
1633 | }, |
1634 | .probe = rsnd_probe, | |
1635 | .remove = rsnd_remove, | |
1636 | }; | |
1637 | module_platform_driver(rsnd_driver); | |
1638 | ||
1e0edd4d | 1639 | MODULE_LICENSE("GPL v2"); |
1536a968 KM |
1640 | MODULE_DESCRIPTION("Renesas R-Car audio driver"); |
1641 | MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>"); | |
1642 | MODULE_ALIAS("platform:rcar-pcm-audio"); |