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-rw-r--r--sound/soc/soc-core.c781
1 files changed, 148 insertions, 633 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 87be938622dd..36519aef55d9 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -47,27 +47,11 @@
47#else 47#else
48#define dbg(format, arg...) 48#define dbg(format, arg...)
49#endif 49#endif
50/* debug DAI capabilities matching */
51#define SOC_DEBUG_DAI 0
52#if SOC_DEBUG_DAI
53#define dbgc(format, arg...) printk(format, ## arg)
54#else
55#define dbgc(format, arg...)
56#endif
57
58#define CODEC_CPU(codec, cpu) ((codec << 4) | cpu)
59 50
60static DEFINE_MUTEX(pcm_mutex); 51static DEFINE_MUTEX(pcm_mutex);
61static DEFINE_MUTEX(io_mutex); 52static DEFINE_MUTEX(io_mutex);
62static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); 53static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq);
63 54
64/* supported sample rates */
65/* ATTENTION: these values depend on the definition in pcm.h! */
66static const unsigned int rates[] = {
67 5512, 8000, 11025, 16000, 22050, 32000, 44100,
68 48000, 64000, 88200, 96000, 176400, 192000
69};
70
71/* 55/*
72 * This is a timeout to do a DAPM powerdown after a stream is closed(). 56 * This is a timeout to do a DAPM powerdown after a stream is closed().
73 * It can be used to eliminate pops between different playback streams, e.g. 57 * It can be used to eliminate pops between different playback streams, e.g.
@@ -142,458 +126,6 @@ static inline const char* get_dai_name(int type)
142 return NULL; 126 return NULL;
143} 127}
144 128
145/* get rate format from rate */
146static inline int soc_get_rate_format(int rate)
147{
148 int i;
149
150 for (i = 0; i < ARRAY_SIZE(rates); i++) {
151 if (rates[i] == rate)
152 return 1 << i;
153 }
154 return 0;
155}
156
157/* gets the audio system mclk/sysclk for the given parameters */
158static unsigned inline int soc_get_mclk(struct snd_soc_pcm_runtime *rtd,
159 struct snd_soc_clock_info *info)
160{
161 struct snd_soc_device *socdev = rtd->socdev;
162 struct snd_soc_machine *machine = socdev->machine;
163 int i;
164
165 /* find the matching machine config and get it's mclk for the given
166 * sample rate and hardware format */
167 for(i = 0; i < machine->num_links; i++) {
168 if (machine->dai_link[i].cpu_dai == rtd->cpu_dai &&
169 machine->dai_link[i].config_sysclk)
170 return machine->dai_link[i].config_sysclk(rtd, info);
171 }
172 return 0;
173}
174
175/* changes a bitclk multiplier mask to a divider mask */
176static u64 soc_bfs_rcw_to_div(u64 bfs, int rate, unsigned int mclk,
177 unsigned int pcmfmt, unsigned int chn)
178{
179 int i, j;
180 u64 bfs_ = 0;
181 int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
182
183 if (size <= 0)
184 return 0;
185
186 /* the minimum bit clock that has enough bandwidth */
187 min = size * rate * chn;
188 dbgc("rcw --> div min bclk %d with mclk %d\n", min, mclk);
189
190 for (i = 0; i < 64; i++) {
191 if ((bfs >> i) & 0x1) {
192 j = min * (i + 1);
193 bfs_ |= SND_SOC_FSBD(mclk/j);
194 dbgc("rcw --> div support mult %d\n",
195 SND_SOC_FSBD_REAL(1<<i));
196 }
197 }
198
199 return bfs_;
200}
201
202/* changes a bitclk divider mask to a multiplier mask */
203static u64 soc_bfs_div_to_rcw(u64 bfs, int rate, unsigned int mclk,
204 unsigned int pcmfmt, unsigned int chn)
205{
206 int i, j;
207 u64 bfs_ = 0;
208
209 int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
210
211 if (size <= 0)
212 return 0;
213
214 /* the minimum bit clock that has enough bandwidth */
215 min = size * rate * chn;
216 dbgc("div to rcw min bclk %d with mclk %d\n", min, mclk);
217
218 for (i = 0; i < 64; i++) {
219 if ((bfs >> i) & 0x1) {
220 j = mclk / (i + 1);
221 if (j >= min) {
222 bfs_ |= SND_SOC_FSBW(j/min);
223 dbgc("div --> rcw support div %d\n",
224 SND_SOC_FSBW_REAL(1<<i));
225 }
226 }
227 }
228
229 return bfs_;
230}
231
232/* changes a constant bitclk to a multiplier mask */
233static u64 soc_bfs_rate_to_rcw(u64 bfs, int rate, unsigned int mclk,
234 unsigned int pcmfmt, unsigned int chn)
235{
236 unsigned int bfs_ = rate * bfs;
237 int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
238
239 if (size <= 0)
240 return 0;
241
242 /* the minimum bit clock that has enough bandwidth */
243 min = size * rate * chn;
244 dbgc("rate --> rcw min bclk %d with mclk %d\n", min, mclk);
245
246 if (bfs_ < min)
247 return 0;
248 else {
249 bfs_ = SND_SOC_FSBW(bfs_/min);
250 dbgc("rate --> rcw support div %d\n", SND_SOC_FSBW_REAL(bfs_));
251 return bfs_;
252 }
253}
254
255/* changes a bitclk multiplier mask to a divider mask */
256static u64 soc_bfs_rate_to_div(u64 bfs, int rate, unsigned int mclk,
257 unsigned int pcmfmt, unsigned int chn)
258{
259 unsigned int bfs_ = rate * bfs;
260 int size = snd_pcm_format_physical_width(pcmfmt), min = 0;
261
262 if (size <= 0)
263 return 0;
264
265 /* the minimum bit clock that has enough bandwidth */
266 min = size * rate * chn;
267 dbgc("rate --> div min bclk %d with mclk %d\n", min, mclk);
268
269 if (bfs_ < min)
270 return 0;
271 else {
272 bfs_ = SND_SOC_FSBW(mclk/bfs_);
273 dbgc("rate --> div support div %d\n", SND_SOC_FSBD_REAL(bfs_));
274 return bfs_;
275 }
276}
277
278/* Matches codec DAI and SoC CPU DAI hardware parameters */
279static int soc_hw_match_params(struct snd_pcm_substream *substream,
280 struct snd_pcm_hw_params *params)
281{
282 struct snd_soc_pcm_runtime *rtd = substream->private_data;
283 struct snd_soc_dai_mode *codec_dai_mode = NULL;
284 struct snd_soc_dai_mode *cpu_dai_mode = NULL;
285 struct snd_soc_clock_info clk_info;
286 unsigned int fs, mclk, rate = params_rate(params),
287 chn, j, k, cpu_bclk, codec_bclk, pcmrate;
288 u16 fmt = 0;
289 u64 codec_bfs, cpu_bfs;
290
291 dbg("asoc: match version %s\n", SND_SOC_VERSION);
292 clk_info.rate = rate;
293 pcmrate = soc_get_rate_format(rate);
294
295 /* try and find a match from the codec and cpu DAI capabilities */
296 for (j = 0; j < rtd->codec_dai->caps.num_modes; j++) {
297 for (k = 0; k < rtd->cpu_dai->caps.num_modes; k++) {
298 codec_dai_mode = &rtd->codec_dai->caps.mode[j];
299 cpu_dai_mode = &rtd->cpu_dai->caps.mode[k];
300
301 if (!(codec_dai_mode->pcmrate & cpu_dai_mode->pcmrate &
302 pcmrate)) {
303 dbgc("asoc: DAI[%d:%d] failed to match rate\n", j, k);
304 continue;
305 }
306
307 fmt = codec_dai_mode->fmt & cpu_dai_mode->fmt;
308 if (!(fmt & SND_SOC_DAIFMT_FORMAT_MASK)) {
309 dbgc("asoc: DAI[%d:%d] failed to match format\n", j, k);
310 continue;
311 }
312
313 if (!(fmt & SND_SOC_DAIFMT_CLOCK_MASK)) {
314 dbgc("asoc: DAI[%d:%d] failed to match clock masters\n",
315 j, k);
316 continue;
317 }
318
319 if (!(fmt & SND_SOC_DAIFMT_INV_MASK)) {
320 dbgc("asoc: DAI[%d:%d] failed to match invert\n", j, k);
321 continue;
322 }
323
324 if (!(codec_dai_mode->pcmfmt & cpu_dai_mode->pcmfmt)) {
325 dbgc("asoc: DAI[%d:%d] failed to match pcm format\n", j, k);
326 continue;
327 }
328
329 if (!(codec_dai_mode->pcmdir & cpu_dai_mode->pcmdir)) {
330 dbgc("asoc: DAI[%d:%d] failed to match direction\n", j, k);
331 continue;
332 }
333
334 /* todo - still need to add tdm selection */
335 rtd->cpu_dai->dai_runtime.fmt =
336 rtd->codec_dai->dai_runtime.fmt =
337 1 << (ffs(fmt & SND_SOC_DAIFMT_FORMAT_MASK) -1) |
338 1 << (ffs(fmt & SND_SOC_DAIFMT_CLOCK_MASK) - 1) |
339 1 << (ffs(fmt & SND_SOC_DAIFMT_INV_MASK) - 1);
340 clk_info.bclk_master =
341 rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK;
342
343 /* make sure the ratio between rate and master
344 * clock is acceptable*/
345 fs = (cpu_dai_mode->fs & codec_dai_mode->fs);
346 if (fs == 0) {
347 dbgc("asoc: DAI[%d:%d] failed to match FS\n", j, k);
348 continue;
349 }
350 clk_info.fs = rtd->cpu_dai->dai_runtime.fs =
351 rtd->codec_dai->dai_runtime.fs = fs;
352
353 /* calculate audio system clocking using slowest clocks possible*/
354 mclk = soc_get_mclk(rtd, &clk_info);
355 if (mclk == 0) {
356 dbgc("asoc: DAI[%d:%d] configuration not clockable\n", j, k);
357 dbgc("asoc: rate %d fs %d master %x\n", rate, fs,
358 clk_info.bclk_master);
359 continue;
360 }
361
362 /* calculate word size (per channel) and frame size */
363 rtd->codec_dai->dai_runtime.pcmfmt =
364 rtd->cpu_dai->dai_runtime.pcmfmt =
365 1 << params_format(params);
366
367 chn = params_channels(params);
368 /* i2s always has left and right */
369 if (params_channels(params) == 1 &&
370 rtd->cpu_dai->dai_runtime.fmt & (SND_SOC_DAIFMT_I2S |
371 SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_LEFT_J))
372 chn <<= 1;
373
374 /* Calculate bfs - the ratio between bitclock and the sample rate
375 * We must take into consideration the dividers and multipliers
376 * used in the codec and cpu DAI modes. We always choose the
377 * lowest possible clocks to reduce power.
378 */
379 switch (CODEC_CPU(codec_dai_mode->flags, cpu_dai_mode->flags)) {
380 case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_DIV):
381 /* cpu & codec bfs dividers */
382 rtd->cpu_dai->dai_runtime.bfs =
383 rtd->codec_dai->dai_runtime.bfs =
384 1 << (fls(codec_dai_mode->bfs & cpu_dai_mode->bfs) - 1);
385 break;
386 case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_RCW):
387 /* normalise bfs codec divider & cpu rcw mult */
388 codec_bfs = soc_bfs_div_to_rcw(codec_dai_mode->bfs, rate,
389 mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
390 rtd->cpu_dai->dai_runtime.bfs =
391 1 << (ffs(codec_bfs & cpu_dai_mode->bfs) - 1);
392 cpu_bfs = soc_bfs_rcw_to_div(cpu_dai_mode->bfs, rate, mclk,
393 rtd->codec_dai->dai_runtime.pcmfmt, chn);
394 rtd->codec_dai->dai_runtime.bfs =
395 1 << (fls(codec_dai_mode->bfs & cpu_bfs) - 1);
396 break;
397 case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_DIV):
398 /* normalise bfs codec rcw mult & cpu divider */
399 codec_bfs = soc_bfs_rcw_to_div(codec_dai_mode->bfs, rate,
400 mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
401 rtd->cpu_dai->dai_runtime.bfs =
402 1 << (fls(codec_bfs & cpu_dai_mode->bfs) -1);
403 cpu_bfs = soc_bfs_div_to_rcw(cpu_dai_mode->bfs, rate, mclk,
404 rtd->codec_dai->dai_runtime.pcmfmt, chn);
405 rtd->codec_dai->dai_runtime.bfs =
406 1 << (ffs(codec_dai_mode->bfs & cpu_bfs) -1);
407 break;
408 case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_RCW):
409 /* codec & cpu bfs rate rcw multipliers */
410 rtd->cpu_dai->dai_runtime.bfs =
411 rtd->codec_dai->dai_runtime.bfs =
412 1 << (ffs(codec_dai_mode->bfs & cpu_dai_mode->bfs) -1);
413 break;
414 case CODEC_CPU(SND_SOC_DAI_BFS_DIV, SND_SOC_DAI_BFS_RATE):
415 /* normalise cpu bfs rate const multiplier & codec div */
416 cpu_bfs = soc_bfs_rate_to_div(cpu_dai_mode->bfs, rate,
417 mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
418 if(codec_dai_mode->bfs & cpu_bfs) {
419 rtd->codec_dai->dai_runtime.bfs = cpu_bfs;
420 rtd->cpu_dai->dai_runtime.bfs = cpu_dai_mode->bfs;
421 } else
422 rtd->cpu_dai->dai_runtime.bfs = 0;
423 break;
424 case CODEC_CPU(SND_SOC_DAI_BFS_RCW, SND_SOC_DAI_BFS_RATE):
425 /* normalise cpu bfs rate const multiplier & codec rcw mult */
426 cpu_bfs = soc_bfs_rate_to_rcw(cpu_dai_mode->bfs, rate,
427 mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
428 if(codec_dai_mode->bfs & cpu_bfs) {
429 rtd->codec_dai->dai_runtime.bfs = cpu_bfs;
430 rtd->cpu_dai->dai_runtime.bfs = cpu_dai_mode->bfs;
431 } else
432 rtd->cpu_dai->dai_runtime.bfs = 0;
433 break;
434 case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_RCW):
435 /* normalise cpu bfs rate rcw multiplier & codec const mult */
436 codec_bfs = soc_bfs_rate_to_rcw(codec_dai_mode->bfs, rate,
437 mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
438 if(cpu_dai_mode->bfs & codec_bfs) {
439 rtd->cpu_dai->dai_runtime.bfs = codec_bfs;
440 rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs;
441 } else
442 rtd->cpu_dai->dai_runtime.bfs = 0;
443 break;
444 case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_DIV):
445 /* normalise cpu bfs div & codec const mult */
446 codec_bfs = soc_bfs_rate_to_div(codec_dai_mode->bfs, rate,
447 mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
448 if(cpu_dai_mode->bfs & codec_bfs) {
449 rtd->cpu_dai->dai_runtime.bfs = codec_bfs;
450 rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs;
451 } else
452 rtd->cpu_dai->dai_runtime.bfs = 0;
453 break;
454 case CODEC_CPU(SND_SOC_DAI_BFS_RATE, SND_SOC_DAI_BFS_RATE):
455 /* cpu & codec constant mult */
456 if(codec_dai_mode->bfs == cpu_dai_mode->bfs)
457 rtd->cpu_dai->dai_runtime.bfs =
458 rtd->codec_dai->dai_runtime.bfs =
459 codec_dai_mode->bfs;
460 else
461 rtd->cpu_dai->dai_runtime.bfs =
462 rtd->codec_dai->dai_runtime.bfs = 0;
463 break;
464 }
465
466 /* make sure the bit clock speed is acceptable */
467 if (!rtd->cpu_dai->dai_runtime.bfs ||
468 !rtd->codec_dai->dai_runtime.bfs) {
469 dbgc("asoc: DAI[%d:%d] failed to match BFS\n", j, k);
470 dbgc("asoc: cpu_dai %llu codec %llu\n",
471 rtd->cpu_dai->dai_runtime.bfs,
472 rtd->codec_dai->dai_runtime.bfs);
473 dbgc("asoc: mclk %d hwfmt %x\n", mclk, fmt);
474 continue;
475 }
476
477 goto found;
478 }
479 }
480 printk(KERN_ERR "asoc: no matching DAI found between codec and CPU\n");
481 return -EINVAL;
482
483found:
484 /* we have matching DAI's, so complete the runtime info */
485 rtd->codec_dai->dai_runtime.pcmrate =
486 rtd->cpu_dai->dai_runtime.pcmrate =
487 soc_get_rate_format(rate);
488
489 rtd->codec_dai->dai_runtime.priv = codec_dai_mode->priv;
490 rtd->cpu_dai->dai_runtime.priv = cpu_dai_mode->priv;
491 rtd->codec_dai->dai_runtime.flags = codec_dai_mode->flags;
492 rtd->cpu_dai->dai_runtime.flags = cpu_dai_mode->flags;
493
494 /* for debug atm */
495 dbg("asoc: DAI[%d:%d] Match OK\n", j, k);
496 if (rtd->codec_dai->dai_runtime.flags == SND_SOC_DAI_BFS_DIV) {
497 codec_bclk = (rtd->codec_dai->dai_runtime.fs * params_rate(params)) /
498 SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs);
499 dbg("asoc: codec fs %d mclk %d bfs div %d bclk %d\n",
500 rtd->codec_dai->dai_runtime.fs, mclk,
501 SND_SOC_FSBD_REAL(rtd->codec_dai->dai_runtime.bfs), codec_bclk);
502 } else if(rtd->codec_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RATE) {
503 codec_bclk = params_rate(params) * rtd->codec_dai->dai_runtime.bfs;
504 dbg("asoc: codec fs %d mclk %d bfs rate mult %llu bclk %d\n",
505 rtd->codec_dai->dai_runtime.fs, mclk,
506 rtd->codec_dai->dai_runtime.bfs, codec_bclk);
507 } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RCW) {
508 codec_bclk = params_rate(params) * params_channels(params) *
509 snd_pcm_format_physical_width(rtd->codec_dai->dai_runtime.pcmfmt) *
510 SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs);
511 dbg("asoc: codec fs %d mclk %d bfs rcw mult %d bclk %d\n",
512 rtd->codec_dai->dai_runtime.fs, mclk,
513 SND_SOC_FSBW_REAL(rtd->codec_dai->dai_runtime.bfs), codec_bclk);
514 } else
515 codec_bclk = 0;
516
517 if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_DIV) {
518 cpu_bclk = (rtd->cpu_dai->dai_runtime.fs * params_rate(params)) /
519 SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs);
520 dbg("asoc: cpu fs %d mclk %d bfs div %d bclk %d\n",
521 rtd->cpu_dai->dai_runtime.fs, mclk,
522 SND_SOC_FSBD_REAL(rtd->cpu_dai->dai_runtime.bfs), cpu_bclk);
523 } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RATE) {
524 cpu_bclk = params_rate(params) * rtd->cpu_dai->dai_runtime.bfs;
525 dbg("asoc: cpu fs %d mclk %d bfs rate mult %llu bclk %d\n",
526 rtd->cpu_dai->dai_runtime.fs, mclk,
527 rtd->cpu_dai->dai_runtime.bfs, cpu_bclk);
528 } else if (rtd->cpu_dai->dai_runtime.flags == SND_SOC_DAI_BFS_RCW) {
529 cpu_bclk = params_rate(params) * params_channels(params) *
530 snd_pcm_format_physical_width(rtd->cpu_dai->dai_runtime.pcmfmt) *
531 SND_SOC_FSBW_REAL(rtd->cpu_dai->dai_runtime.bfs);
532 dbg("asoc: cpu fs %d mclk %d bfs mult rcw %d bclk %d\n",
533 rtd->cpu_dai->dai_runtime.fs, mclk,
534 SND_SOC_FSBW_REAL(rtd->cpu_dai->dai_runtime.bfs), cpu_bclk);
535 } else
536 cpu_bclk = 0;
537
538 /*
539 * Check we have matching bitclocks. If we don't then it means the
540 * sysclock returned by either the codec or cpu DAI (selected by the
541 * machine sysclock function) is wrong compared with the supported DAI
542 * modes for the codec or cpu DAI. Check your codec or CPU DAI
543 * config_sysclock() functions.
544 */
545 if (cpu_bclk != codec_bclk && cpu_bclk){
546 printk(KERN_ERR
547 "asoc: codec and cpu bitclocks differ, audio may be wrong speed\n"
548 );
549 printk(KERN_ERR "asoc: codec %d != cpu %d\n", codec_bclk, cpu_bclk);
550 }
551
552 switch(rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
553 case SND_SOC_DAIFMT_CBM_CFM:
554 dbg("asoc: DAI codec BCLK master, LRC master\n");
555 break;
556 case SND_SOC_DAIFMT_CBS_CFM:
557 dbg("asoc: DAI codec BCLK slave, LRC master\n");
558 break;
559 case SND_SOC_DAIFMT_CBM_CFS:
560 dbg("asoc: DAI codec BCLK master, LRC slave\n");
561 break;
562 case SND_SOC_DAIFMT_CBS_CFS:
563 dbg("asoc: DAI codec BCLK slave, LRC slave\n");
564 break;
565 }
566 dbg("asoc: mode %x, invert %x\n",
567 rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_FORMAT_MASK,
568 rtd->cpu_dai->dai_runtime.fmt & SND_SOC_DAIFMT_INV_MASK);
569 dbg("asoc: audio rate %d chn %d fmt %x\n", params_rate(params),
570 params_channels(params), params_format(params));
571
572 return 0;
573}
574
575static inline u32 get_rates(struct snd_soc_dai_mode *modes, int nmodes)
576{
577 int i;
578 u32 rates = 0;
579
580 for(i = 0; i < nmodes; i++)
581 rates |= modes[i].pcmrate;
582
583 return rates;
584}
585
586static inline u64 get_formats(struct snd_soc_dai_mode *modes, int nmodes)
587{
588 int i;
589 u64 formats = 0;
590
591 for(i = 0; i < nmodes; i++)
592 formats |= modes[i].pcmfmt;
593
594 return formats;
595}
596
597/* 129/*
598 * Called by ALSA when a PCM substream is opened, the runtime->hw record is 130 * Called by ALSA when a PCM substream is opened, the runtime->hw record is
599 * then initialized and any private data can be allocated. This also calls 131 * then initialized and any private data can be allocated. This also calls
@@ -604,20 +136,20 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
604 struct snd_soc_pcm_runtime *rtd = substream->private_data; 136 struct snd_soc_pcm_runtime *rtd = substream->private_data;
605 struct snd_soc_device *socdev = rtd->socdev; 137 struct snd_soc_device *socdev = rtd->socdev;
606 struct snd_pcm_runtime *runtime = substream->runtime; 138 struct snd_pcm_runtime *runtime = substream->runtime;
607 struct snd_soc_machine *machine = socdev->machine; 139 struct snd_soc_dai_link *machine = rtd->dai;
608 struct snd_soc_platform *platform = socdev->platform; 140 struct snd_soc_platform *platform = socdev->platform;
609 struct snd_soc_codec_dai *codec_dai = rtd->codec_dai; 141 struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai;
610 struct snd_soc_cpu_dai *cpu_dai = rtd->cpu_dai; 142 struct snd_soc_codec_dai *codec_dai = machine->codec_dai;
611 int ret = 0; 143 int ret = 0;
612 144
613 mutex_lock(&pcm_mutex); 145 mutex_lock(&pcm_mutex);
614 146
615 /* startup the audio subsystem */ 147 /* startup the audio subsystem */
616 if (rtd->cpu_dai->ops.startup) { 148 if (cpu_dai->ops.startup) {
617 ret = rtd->cpu_dai->ops.startup(substream); 149 ret = cpu_dai->ops.startup(substream);
618 if (ret < 0) { 150 if (ret < 0) {
619 printk(KERN_ERR "asoc: can't open interface %s\n", 151 printk(KERN_ERR "asoc: can't open interface %s\n",
620 rtd->cpu_dai->name); 152 cpu_dai->name);
621 goto out; 153 goto out;
622 } 154 }
623 } 155 }
@@ -630,116 +162,101 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
630 } 162 }
631 } 163 }
632 164
633 if (machine->ops && machine->ops->startup) { 165 if (codec_dai->ops.startup) {
634 ret = machine->ops->startup(substream); 166 ret = codec_dai->ops.startup(substream);
635 if (ret < 0) { 167 if (ret < 0) {
636 printk(KERN_ERR "asoc: %s startup failed\n", machine->name); 168 printk(KERN_ERR "asoc: can't open codec %s\n",
637 goto machine_err; 169 codec_dai->name);
170 goto codec_dai_err;
638 } 171 }
639 } 172 }
640 173
641 if (rtd->codec_dai->ops.startup) { 174 if (machine->ops && machine->ops->startup) {
642 ret = rtd->codec_dai->ops.startup(substream); 175 ret = machine->ops->startup(substream);
643 if (ret < 0) { 176 if (ret < 0) {
644 printk(KERN_ERR "asoc: can't open codec %s\n", 177 printk(KERN_ERR "asoc: %s startup failed\n", machine->name);
645 rtd->codec_dai->name); 178 goto machine_err;
646 goto codec_dai_err;
647 } 179 }
648 } 180 }
649 181
650 /* create runtime params from DMA, codec and cpu DAI */
651 if (runtime->hw.rates)
652 runtime->hw.rates &=
653 get_rates(codec_dai->caps.mode, codec_dai->caps.num_modes) &
654 get_rates(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
655 else
656 runtime->hw.rates =
657 get_rates(codec_dai->caps.mode, codec_dai->caps.num_modes) &
658 get_rates(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
659 if (runtime->hw.formats)
660 runtime->hw.formats &=
661 get_formats(codec_dai->caps.mode, codec_dai->caps.num_modes) &
662 get_formats(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
663 else
664 runtime->hw.formats =
665 get_formats(codec_dai->caps.mode, codec_dai->caps.num_modes) &
666 get_formats(cpu_dai->caps.mode, cpu_dai->caps.num_modes);
667
668 /* Check that the codec and cpu DAI's are compatible */ 182 /* Check that the codec and cpu DAI's are compatible */
669 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 183 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
670 runtime->hw.rate_min = 184 runtime->hw.rate_min =
671 max(rtd->codec_dai->playback.rate_min, 185 max(codec_dai->playback.rate_min, cpu_dai->playback.rate_min);
672 rtd->cpu_dai->playback.rate_min);
673 runtime->hw.rate_max = 186 runtime->hw.rate_max =
674 min(rtd->codec_dai->playback.rate_max, 187 min(codec_dai->playback.rate_max, cpu_dai->playback.rate_max);
675 rtd->cpu_dai->playback.rate_max);
676 runtime->hw.channels_min = 188 runtime->hw.channels_min =
677 max(rtd->codec_dai->playback.channels_min, 189 max(codec_dai->playback.channels_min,
678 rtd->cpu_dai->playback.channels_min); 190 cpu_dai->playback.channels_min);
679 runtime->hw.channels_max = 191 runtime->hw.channels_max =
680 min(rtd->codec_dai->playback.channels_max, 192 min(codec_dai->playback.channels_max,
681 rtd->cpu_dai->playback.channels_max); 193 cpu_dai->playback.channels_max);
194 runtime->hw.formats =
195 codec_dai->playback.formats & cpu_dai->playback.formats;
196 runtime->hw.rates =
197 codec_dai->playback.rates & cpu_dai->playback.rates;
682 } else { 198 } else {
683 runtime->hw.rate_min = 199 runtime->hw.rate_min =
684 max(rtd->codec_dai->capture.rate_min, 200 max(codec_dai->capture.rate_min, cpu_dai->capture.rate_min);
685 rtd->cpu_dai->capture.rate_min);
686 runtime->hw.rate_max = 201 runtime->hw.rate_max =
687 min(rtd->codec_dai->capture.rate_max, 202 min(codec_dai->capture.rate_max, cpu_dai->capture.rate_max);
688 rtd->cpu_dai->capture.rate_max);
689 runtime->hw.channels_min = 203 runtime->hw.channels_min =
690 max(rtd->codec_dai->capture.channels_min, 204 max(codec_dai->capture.channels_min,
691 rtd->cpu_dai->capture.channels_min); 205 cpu_dai->capture.channels_min);
692 runtime->hw.channels_max = 206 runtime->hw.channels_max =
693 min(rtd->codec_dai->capture.channels_max, 207 min(codec_dai->capture.channels_max,
694 rtd->cpu_dai->capture.channels_max); 208 cpu_dai->capture.channels_max);
209 runtime->hw.formats =
210 codec_dai->capture.formats & cpu_dai->capture.formats;
211 runtime->hw.rates =
212 codec_dai->capture.rates & cpu_dai->capture.rates;
695 } 213 }
696 214
697 snd_pcm_limit_hw_rates(runtime); 215 snd_pcm_limit_hw_rates(runtime);
698 if (!runtime->hw.rates) { 216 if (!runtime->hw.rates) {
699 printk(KERN_ERR "asoc: %s <-> %s No matching rates\n", 217 printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
700 rtd->codec_dai->name, rtd->cpu_dai->name); 218 codec_dai->name, cpu_dai->name);
701 goto codec_dai_err; 219 goto machine_err;
702 } 220 }
703 if (!runtime->hw.formats) { 221 if (!runtime->hw.formats) {
704 printk(KERN_ERR "asoc: %s <-> %s No matching formats\n", 222 printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
705 rtd->codec_dai->name, rtd->cpu_dai->name); 223 codec_dai->name, cpu_dai->name);
706 goto codec_dai_err; 224 goto machine_err;
707 } 225 }
708 if (!runtime->hw.channels_min || !runtime->hw.channels_max) { 226 if (!runtime->hw.channels_min || !runtime->hw.channels_max) {
709 printk(KERN_ERR "asoc: %s <-> %s No matching channels\n", 227 printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
710 rtd->codec_dai->name, rtd->cpu_dai->name); 228 codec_dai->name, cpu_dai->name);
711 goto codec_dai_err; 229 goto machine_err;
712 } 230 }
713 231
714 dbg("asoc: %s <-> %s info:\n", rtd->codec_dai->name, rtd->cpu_dai->name); 232 dbg("asoc: %s <-> %s info:\n",codec_dai->name, cpu_dai->name);
715 dbg("asoc: rate mask 0x%x\n", runtime->hw.rates); 233 dbg("asoc: rate mask 0x%x\n", runtime->hw.rates);
716 dbg("asoc: min ch %d max ch %d\n", runtime->hw.channels_min, 234 dbg("asoc: min ch %d max ch %d\n", runtime->hw.channels_min,
717 runtime->hw.channels_max); 235 runtime->hw.channels_max);
718 dbg("asoc: min rate %d max rate %d\n", runtime->hw.rate_min, 236 dbg("asoc: min rate %d max rate %d\n", runtime->hw.rate_min,
719 runtime->hw.rate_max); 237 runtime->hw.rate_max);
720 238
721
722 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 239 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
723 rtd->cpu_dai->playback.active = rtd->codec_dai->playback.active = 1; 240 cpu_dai->playback.active = codec_dai->playback.active = 1;
724 else 241 else
725 rtd->cpu_dai->capture.active = rtd->codec_dai->capture.active = 1; 242 cpu_dai->capture.active = codec_dai->capture.active = 1;
726 rtd->cpu_dai->active = rtd->codec_dai->active = 1; 243 cpu_dai->active = codec_dai->active = 1;
727 rtd->cpu_dai->runtime = runtime; 244 cpu_dai->runtime = runtime;
728 socdev->codec->active++; 245 socdev->codec->active++;
729 mutex_unlock(&pcm_mutex); 246 mutex_unlock(&pcm_mutex);
730 return 0; 247 return 0;
731 248
732codec_dai_err: 249machine_err:
733 if (machine->ops && machine->ops->shutdown) 250 if (machine->ops && machine->ops->shutdown)
734 machine->ops->shutdown(substream); 251 machine->ops->shutdown(substream);
735 252
736machine_err: 253codec_dai_err:
737 if (platform->pcm_ops->close) 254 if (platform->pcm_ops->close)
738 platform->pcm_ops->close(substream); 255 platform->pcm_ops->close(substream);
739 256
740platform_err: 257platform_err:
741 if (rtd->cpu_dai->ops.shutdown) 258 if (cpu_dai->ops.shutdown)
742 rtd->cpu_dai->ops.shutdown(substream); 259 cpu_dai->ops.shutdown(substream);
743out: 260out:
744 mutex_unlock(&pcm_mutex); 261 mutex_unlock(&pcm_mutex);
745 return ret; 262 return ret;
@@ -795,47 +312,49 @@ static int soc_codec_close(struct snd_pcm_substream *substream)
795{ 312{
796 struct snd_soc_pcm_runtime *rtd = substream->private_data; 313 struct snd_soc_pcm_runtime *rtd = substream->private_data;
797 struct snd_soc_device *socdev = rtd->socdev; 314 struct snd_soc_device *socdev = rtd->socdev;
798 struct snd_soc_machine *machine = socdev->machine; 315 struct snd_soc_dai_link *machine = rtd->dai;
799 struct snd_soc_platform *platform = socdev->platform; 316 struct snd_soc_platform *platform = socdev->platform;
317 struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai;
318 struct snd_soc_codec_dai *codec_dai = machine->codec_dai;
800 struct snd_soc_codec *codec = socdev->codec; 319 struct snd_soc_codec *codec = socdev->codec;
801 320
802 mutex_lock(&pcm_mutex); 321 mutex_lock(&pcm_mutex);
803 322
804 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 323 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
805 rtd->cpu_dai->playback.active = rtd->codec_dai->playback.active = 0; 324 cpu_dai->playback.active = codec_dai->playback.active = 0;
806 else 325 else
807 rtd->cpu_dai->capture.active = rtd->codec_dai->capture.active = 0; 326 cpu_dai->capture.active = codec_dai->capture.active = 0;
808 327
809 if (rtd->codec_dai->playback.active == 0 && 328 if (codec_dai->playback.active == 0 &&
810 rtd->codec_dai->capture.active == 0) { 329 codec_dai->capture.active == 0) {
811 rtd->cpu_dai->active = rtd->codec_dai->active = 0; 330 cpu_dai->active = codec_dai->active = 0;
812 } 331 }
813 codec->active--; 332 codec->active--;
814 333
815 if (rtd->cpu_dai->ops.shutdown) 334 if (cpu_dai->ops.shutdown)
816 rtd->cpu_dai->ops.shutdown(substream); 335 cpu_dai->ops.shutdown(substream);
817 336
818 if (rtd->codec_dai->ops.shutdown) 337 if (codec_dai->ops.shutdown)
819 rtd->codec_dai->ops.shutdown(substream); 338 codec_dai->ops.shutdown(substream);
820 339
821 if (machine->ops && machine->ops->shutdown) 340 if (machine->ops && machine->ops->shutdown)
822 machine->ops->shutdown(substream); 341 machine->ops->shutdown(substream);
823 342
824 if (platform->pcm_ops->close) 343 if (platform->pcm_ops->close)
825 platform->pcm_ops->close(substream); 344 platform->pcm_ops->close(substream);
826 rtd->cpu_dai->runtime = NULL; 345 cpu_dai->runtime = NULL;
827 346
828 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 347 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
829 /* start delayed pop wq here for playback streams */ 348 /* start delayed pop wq here for playback streams */
830 rtd->codec_dai->pop_wait = 1; 349 codec_dai->pop_wait = 1;
831 schedule_delayed_work(&socdev->delayed_work, 350 schedule_delayed_work(&socdev->delayed_work,
832 msecs_to_jiffies(pmdown_time)); 351 msecs_to_jiffies(pmdown_time));
833 } else { 352 } else {
834 /* capture streams can be powered down now */ 353 /* capture streams can be powered down now */
835 snd_soc_dapm_stream_event(codec, rtd->codec_dai->capture.stream_name, 354 snd_soc_dapm_stream_event(codec,
836 SND_SOC_DAPM_STREAM_STOP); 355 codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_STOP);
837 356
838 if (codec->active == 0 && rtd->codec_dai->pop_wait == 0){ 357 if (codec->active == 0 && codec_dai->pop_wait == 0){
839 if (codec->dapm_event) 358 if (codec->dapm_event)
840 codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot); 359 codec->dapm_event(codec, SNDRV_CTL_POWER_D3hot);
841 } 360 }
@@ -854,11 +373,23 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
854{ 373{
855 struct snd_soc_pcm_runtime *rtd = substream->private_data; 374 struct snd_soc_pcm_runtime *rtd = substream->private_data;
856 struct snd_soc_device *socdev = rtd->socdev; 375 struct snd_soc_device *socdev = rtd->socdev;
376 struct snd_soc_dai_link *machine = rtd->dai;
857 struct snd_soc_platform *platform = socdev->platform; 377 struct snd_soc_platform *platform = socdev->platform;
378 struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai;
379 struct snd_soc_codec_dai *codec_dai = machine->codec_dai;
858 struct snd_soc_codec *codec = socdev->codec; 380 struct snd_soc_codec *codec = socdev->codec;
859 int ret = 0; 381 int ret = 0;
860 382
861 mutex_lock(&pcm_mutex); 383 mutex_lock(&pcm_mutex);
384
385 if (machine->ops && machine->ops->prepare) {
386 ret = machine->ops->prepare(substream);
387 if (ret < 0) {
388 printk(KERN_ERR "asoc: machine prepare error\n");
389 goto out;
390 }
391 }
392
862 if (platform->pcm_ops->prepare) { 393 if (platform->pcm_ops->prepare) {
863 ret = platform->pcm_ops->prepare(substream); 394 ret = platform->pcm_ops->prepare(substream);
864 if (ret < 0) { 395 if (ret < 0) {
@@ -867,30 +398,35 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
867 } 398 }
868 } 399 }
869 400
870 if (rtd->codec_dai->ops.prepare) { 401 if (codec_dai->ops.prepare) {
871 ret = rtd->codec_dai->ops.prepare(substream); 402 ret = codec_dai->ops.prepare(substream);
872 if (ret < 0) { 403 if (ret < 0) {
873 printk(KERN_ERR "asoc: codec DAI prepare error\n"); 404 printk(KERN_ERR "asoc: codec DAI prepare error\n");
874 goto out; 405 goto out;
875 } 406 }
876 } 407 }
877 408
878 if (rtd->cpu_dai->ops.prepare) 409 if (cpu_dai->ops.prepare) {
879 ret = rtd->cpu_dai->ops.prepare(substream); 410 ret = cpu_dai->ops.prepare(substream);
411 if (ret < 0) {
412 printk(KERN_ERR "asoc: cpu DAI prepare error\n");
413 goto out;
414 }
415 }
880 416
881 /* we only want to start a DAPM playback stream if we are not waiting 417 /* we only want to start a DAPM playback stream if we are not waiting
882 * on an existing one stopping */ 418 * on an existing one stopping */
883 if (rtd->codec_dai->pop_wait) { 419 if (codec_dai->pop_wait) {
884 /* we are waiting for the delayed work to start */ 420 /* we are waiting for the delayed work to start */
885 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) 421 if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
886 snd_soc_dapm_stream_event(codec, 422 snd_soc_dapm_stream_event(socdev->codec,
887 rtd->codec_dai->capture.stream_name, 423 codec_dai->capture.stream_name,
888 SND_SOC_DAPM_STREAM_START); 424 SND_SOC_DAPM_STREAM_START);
889 else { 425 else {
890 rtd->codec_dai->pop_wait = 0; 426 codec_dai->pop_wait = 0;
891 cancel_delayed_work(&socdev->delayed_work); 427 cancel_delayed_work(&socdev->delayed_work);
892 if (rtd->codec_dai->digital_mute) 428 if (codec_dai->dai_ops.digital_mute)
893 rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0); 429 codec_dai->dai_ops.digital_mute(codec_dai, 0);
894 } 430 }
895 } else { 431 } else {
896 /* no delayed work - do we need to power up codec */ 432 /* no delayed work - do we need to power up codec */
@@ -901,30 +437,30 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
901 437
902 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 438 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
903 snd_soc_dapm_stream_event(codec, 439 snd_soc_dapm_stream_event(codec,
904 rtd->codec_dai->playback.stream_name, 440 codec_dai->playback.stream_name,
905 SND_SOC_DAPM_STREAM_START); 441 SND_SOC_DAPM_STREAM_START);
906 else 442 else
907 snd_soc_dapm_stream_event(codec, 443 snd_soc_dapm_stream_event(codec,
908 rtd->codec_dai->capture.stream_name, 444 codec_dai->capture.stream_name,
909 SND_SOC_DAPM_STREAM_START); 445 SND_SOC_DAPM_STREAM_START);
910 446
911 if (codec->dapm_event) 447 if (codec->dapm_event)
912 codec->dapm_event(codec, SNDRV_CTL_POWER_D0); 448 codec->dapm_event(codec, SNDRV_CTL_POWER_D0);
913 if (rtd->codec_dai->digital_mute) 449 if (codec_dai->dai_ops.digital_mute)
914 rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0); 450 codec_dai->dai_ops.digital_mute(codec_dai, 0);
915 451
916 } else { 452 } else {
917 /* codec already powered - power on widgets */ 453 /* codec already powered - power on widgets */
918 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 454 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
919 snd_soc_dapm_stream_event(codec, 455 snd_soc_dapm_stream_event(codec,
920 rtd->codec_dai->playback.stream_name, 456 codec_dai->playback.stream_name,
921 SND_SOC_DAPM_STREAM_START); 457 SND_SOC_DAPM_STREAM_START);
922 else 458 else
923 snd_soc_dapm_stream_event(codec, 459 snd_soc_dapm_stream_event(codec,
924 rtd->codec_dai->capture.stream_name, 460 codec_dai->capture.stream_name,
925 SND_SOC_DAPM_STREAM_START); 461 SND_SOC_DAPM_STREAM_START);
926 if (rtd->codec_dai->digital_mute) 462 if (codec_dai->dai_ops.digital_mute)
927 rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 0); 463 codec_dai->dai_ops.digital_mute(codec_dai, 0);
928 } 464 }
929 } 465 }
930 466
@@ -943,39 +479,36 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
943{ 479{
944 struct snd_soc_pcm_runtime *rtd = substream->private_data; 480 struct snd_soc_pcm_runtime *rtd = substream->private_data;
945 struct snd_soc_device *socdev = rtd->socdev; 481 struct snd_soc_device *socdev = rtd->socdev;
482 struct snd_soc_dai_link *machine = rtd->dai;
946 struct snd_soc_platform *platform = socdev->platform; 483 struct snd_soc_platform *platform = socdev->platform;
947 struct snd_soc_machine *machine = socdev->machine; 484 struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai;
485 struct snd_soc_codec_dai *codec_dai = machine->codec_dai;
948 int ret = 0; 486 int ret = 0;
949 487
950 mutex_lock(&pcm_mutex); 488 mutex_lock(&pcm_mutex);
951 489
952 /* we don't need to match any AC97 params */ 490 if (machine->ops && machine->ops->hw_params) {
953 if (rtd->cpu_dai->type != SND_SOC_DAI_AC97) { 491 ret = machine->ops->hw_params(substream, params);
954 ret = soc_hw_match_params(substream, params); 492 if (ret < 0) {
955 if (ret < 0) 493 printk(KERN_ERR "asoc: machine hw_params failed\n");
956 goto out;
957 } else {
958 struct snd_soc_clock_info clk_info;
959 clk_info.rate = params_rate(params);
960 ret = soc_get_mclk(rtd, &clk_info);
961 if (ret < 0)
962 goto out; 494 goto out;
495 }
963 } 496 }
964 497
965 if (rtd->codec_dai->ops.hw_params) { 498 if (codec_dai->ops.hw_params) {
966 ret = rtd->codec_dai->ops.hw_params(substream, params); 499 ret = codec_dai->ops.hw_params(substream, params);
967 if (ret < 0) { 500 if (ret < 0) {
968 printk(KERN_ERR "asoc: can't set codec %s hw params\n", 501 printk(KERN_ERR "asoc: can't set codec %s hw params\n",
969 rtd->codec_dai->name); 502 codec_dai->name);
970 goto out; 503 goto codec_err;
971 } 504 }
972 } 505 }
973 506
974 if (rtd->cpu_dai->ops.hw_params) { 507 if (cpu_dai->ops.hw_params) {
975 ret = rtd->cpu_dai->ops.hw_params(substream, params); 508 ret = cpu_dai->ops.hw_params(substream, params);
976 if (ret < 0) { 509 if (ret < 0) {
977 printk(KERN_ERR "asoc: can't set interface %s hw params\n", 510 printk(KERN_ERR "asoc: can't set interface %s hw params\n",
978 rtd->cpu_dai->name); 511 cpu_dai->name);
979 goto interface_err; 512 goto interface_err;
980 } 513 }
981 } 514 }
@@ -989,29 +522,21 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
989 } 522 }
990 } 523 }
991 524
992 if (machine->ops && machine->ops->hw_params) {
993 ret = machine->ops->hw_params(substream, params);
994 if (ret < 0) {
995 printk(KERN_ERR "asoc: machine hw_params failed\n");
996 goto machine_err;
997 }
998 }
999
1000out: 525out:
1001 mutex_unlock(&pcm_mutex); 526 mutex_unlock(&pcm_mutex);
1002 return ret; 527 return ret;
1003 528
1004machine_err:
1005 if (platform->pcm_ops->hw_free)
1006 platform->pcm_ops->hw_free(substream);
1007
1008platform_err: 529platform_err:
1009 if (rtd->cpu_dai->ops.hw_free) 530 if (cpu_dai->ops.hw_free)
1010 rtd->cpu_dai->ops.hw_free(substream); 531 cpu_dai->ops.hw_free(substream);
1011 532
1012interface_err: 533interface_err:
1013 if (rtd->codec_dai->ops.hw_free) 534 if (codec_dai->ops.hw_free)
1014 rtd->codec_dai->ops.hw_free(substream); 535 codec_dai->ops.hw_free(substream);
536
537codec_err:
538 if(machine->ops && machine->ops->hw_free)
539 machine->ops->hw_free(substream);
1015 540
1016 mutex_unlock(&pcm_mutex); 541 mutex_unlock(&pcm_mutex);
1017 return ret; 542 return ret;
@@ -1024,15 +549,17 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
1024{ 549{
1025 struct snd_soc_pcm_runtime *rtd = substream->private_data; 550 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1026 struct snd_soc_device *socdev = rtd->socdev; 551 struct snd_soc_device *socdev = rtd->socdev;
552 struct snd_soc_dai_link *machine = rtd->dai;
1027 struct snd_soc_platform *platform = socdev->platform; 553 struct snd_soc_platform *platform = socdev->platform;
554 struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai;
555 struct snd_soc_codec_dai *codec_dai = machine->codec_dai;
1028 struct snd_soc_codec *codec = socdev->codec; 556 struct snd_soc_codec *codec = socdev->codec;
1029 struct snd_soc_machine *machine = socdev->machine;
1030 557
1031 mutex_lock(&pcm_mutex); 558 mutex_lock(&pcm_mutex);
1032 559
1033 /* apply codec digital mute */ 560 /* apply codec digital mute */
1034 if (!codec->active && rtd->codec_dai->digital_mute) 561 if (!codec->active && codec_dai->dai_ops.digital_mute)
1035 rtd->codec_dai->digital_mute(codec, rtd->codec_dai, 1); 562 codec_dai->dai_ops.digital_mute(codec_dai, 1);
1036 563
1037 /* free any machine hw params */ 564 /* free any machine hw params */
1038 if (machine->ops && machine->ops->hw_free) 565 if (machine->ops && machine->ops->hw_free)
@@ -1043,11 +570,11 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
1043 platform->pcm_ops->hw_free(substream); 570 platform->pcm_ops->hw_free(substream);
1044 571
1045 /* now free hw params for the DAI's */ 572 /* now free hw params for the DAI's */
1046 if (rtd->codec_dai->ops.hw_free) 573 if (codec_dai->ops.hw_free)
1047 rtd->codec_dai->ops.hw_free(substream); 574 codec_dai->ops.hw_free(substream);
1048 575
1049 if (rtd->cpu_dai->ops.hw_free) 576 if (cpu_dai->ops.hw_free)
1050 rtd->cpu_dai->ops.hw_free(substream); 577 cpu_dai->ops.hw_free(substream);
1051 578
1052 mutex_unlock(&pcm_mutex); 579 mutex_unlock(&pcm_mutex);
1053 return 0; 580 return 0;
@@ -1057,11 +584,14 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1057{ 584{
1058 struct snd_soc_pcm_runtime *rtd = substream->private_data; 585 struct snd_soc_pcm_runtime *rtd = substream->private_data;
1059 struct snd_soc_device *socdev = rtd->socdev; 586 struct snd_soc_device *socdev = rtd->socdev;
587 struct snd_soc_dai_link *machine = rtd->dai;
1060 struct snd_soc_platform *platform = socdev->platform; 588 struct snd_soc_platform *platform = socdev->platform;
589 struct snd_soc_cpu_dai *cpu_dai = machine->cpu_dai;
590 struct snd_soc_codec_dai *codec_dai = machine->codec_dai;
1061 int ret; 591 int ret;
1062 592
1063 if (rtd->codec_dai->ops.trigger) { 593 if (codec_dai->ops.trigger) {
1064 ret = rtd->codec_dai->ops.trigger(substream, cmd); 594 ret = codec_dai->ops.trigger(substream, cmd);
1065 if (ret < 0) 595 if (ret < 0)
1066 return ret; 596 return ret;
1067 } 597 }
@@ -1072,8 +602,8 @@ static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
1072 return ret; 602 return ret;
1073 } 603 }
1074 604
1075 if (rtd->cpu_dai->ops.trigger) { 605 if (cpu_dai->ops.trigger) {
1076 ret = rtd->cpu_dai->ops.trigger(substream, cmd); 606 ret = cpu_dai->ops.trigger(substream, cmd);
1077 if (ret < 0) 607 if (ret < 0)
1078 return ret; 608 return ret;
1079 } 609 }
@@ -1104,8 +634,8 @@ static int soc_suspend(struct platform_device *pdev, pm_message_t state)
1104 /* mute any active DAC's */ 634 /* mute any active DAC's */
1105 for(i = 0; i < machine->num_links; i++) { 635 for(i = 0; i < machine->num_links; i++) {
1106 struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai; 636 struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai;
1107 if (dai->digital_mute && dai->playback.active) 637 if (dai->dai_ops.digital_mute && dai->playback.active)
1108 dai->digital_mute(codec, dai, 1); 638 dai->dai_ops.digital_mute(dai, 1);
1109 } 639 }
1110 640
1111 if (machine->suspend_pre) 641 if (machine->suspend_pre)
@@ -1185,8 +715,8 @@ static int soc_resume(struct platform_device *pdev)
1185 /* unmute any active DAC's */ 715 /* unmute any active DAC's */
1186 for(i = 0; i < machine->num_links; i++) { 716 for(i = 0; i < machine->num_links; i++) {
1187 struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai; 717 struct snd_soc_codec_dai *dai = machine->dai_link[i].codec_dai;
1188 if (dai->digital_mute && dai->playback.active) 718 if (dai->dai_ops.digital_mute && dai->playback.active)
1189 dai->digital_mute(codec, dai, 0); 719 dai->dai_ops.digital_mute(dai, 0);
1190 } 720 }
1191 721
1192 for(i = 0; i < machine->num_links; i++) { 722 for(i = 0; i < machine->num_links; i++) {
@@ -1320,9 +850,10 @@ static int soc_new_pcm(struct snd_soc_device *socdev,
1320 rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL); 850 rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime), GFP_KERNEL);
1321 if (rtd == NULL) 851 if (rtd == NULL)
1322 return -ENOMEM; 852 return -ENOMEM;
1323 rtd->cpu_dai = cpu_dai; 853
1324 rtd->codec_dai = codec_dai; 854 rtd->dai = dai_link;
1325 rtd->socdev = socdev; 855 rtd->socdev = socdev;
856 codec_dai->codec = socdev->codec;
1326 857
1327 /* check client and interface hw capabilities */ 858 /* check client and interface hw capabilities */
1328 sprintf(new_name, "%s %s-%s-%d",dai_link->stream_name, codec_dai->name, 859 sprintf(new_name, "%s %s-%s-%d",dai_link->stream_name, codec_dai->name,
@@ -1499,22 +1030,6 @@ int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
1499EXPORT_SYMBOL_GPL(snd_soc_test_bits); 1030EXPORT_SYMBOL_GPL(snd_soc_test_bits);
1500 1031
1501/** 1032/**
1502 * snd_soc_get_rate - get int sample rate
1503 * @hwpcmrate: the hardware pcm rate
1504 *
1505 * Returns the audio rate integaer value, else 0.
1506 */
1507int snd_soc_get_rate(int hwpcmrate)
1508{
1509 int rate = ffs(hwpcmrate) - 1;
1510
1511 if (rate > ARRAY_SIZE(rates))
1512 return 0;
1513 return rates[rate];
1514}
1515EXPORT_SYMBOL_GPL(snd_soc_get_rate);
1516
1517/**
1518 * snd_soc_new_pcms - create new sound card and pcms 1033 * snd_soc_new_pcms - create new sound card and pcms
1519 * @socdev: the SoC audio device 1034 * @socdev: the SoC audio device
1520 * 1035 *
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 10:33:01 -0500