sound/soc/soc-dai.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // soc-dai.c
   4 //
   5 // Copyright (C) 2019 Renesas Electronics Corp.
   6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   7 //
   8
   9 #include <sound/soc.h>
  10 #include <sound/soc-dai.h>
  11 #include <sound/soc-link.h>
  12
  13 #define soc_dai_ret(dai, ret) _soc_dai_ret(dai, __func__, ret)
  14 static inline int _soc_dai_ret(struct snd_soc_dai *dai,
  15                                const char *func, int ret)
  16 {
  17         /* Positive, Zero values are not errors */
  18         if (ret >= 0)
  19                 return ret;
  20
  21         /* Negative values might be errors */
  22         switch (ret) {
  23         case -EPROBE_DEFER:
  24         case -ENOTSUPP:
  25                 break;
  26         default:
  27                 dev_err(dai->dev,
  28                         "ASoC: error at %s on %s: %d\n",
  29                         func, dai->name, ret);
  30         }
  31
  32         return ret;
  33 }
  34
  35 /*
  36  * We might want to check substream by using list.
  37  * In such case, we can update these macros.
  38  */
  39 #define soc_dai_mark_push(dai, substream, tgt)  ((dai)->mark_##tgt = substream)
  40 #define soc_dai_mark_pop(dai, substream, tgt)   ((dai)->mark_##tgt = NULL)
  41 #define soc_dai_mark_match(dai, substream, tgt) ((dai)->mark_##tgt == substream)
  42
  43 /**
  44  * snd_soc_dai_set_sysclk - configure DAI system or master clock.
  45  * @dai: DAI
  46  * @clk_id: DAI specific clock ID
  47  * @freq: new clock frequency in Hz
  48  * @dir: new clock direction - input/output.
  49  *
  50  * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
  51  */
  52 int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
  53                            unsigned int freq, int dir)
  54 {
  55         int ret;
  56
  57         if (dai->driver->ops &&
  58             dai->driver->ops->set_sysclk)
  59                 ret = dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
  60         else
  61                 ret = snd_soc_component_set_sysclk(dai->component, clk_id, 0,
  62                                                    freq, dir);
  63
  64         return soc_dai_ret(dai, ret);
  65 }
  66 EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
  67
  68 /**
  69  * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
  70  * @dai: DAI
  71  * @div_id: DAI specific clock divider ID
  72  * @div: new clock divisor.
  73  *
  74  * Configures the clock dividers. This is used to derive the best DAI bit and
  75  * frame clocks from the system or master clock. It's best to set the DAI bit
  76  * and frame clocks as low as possible to save system power.
  77  */
  78 int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
  79                            int div_id, int div)
  80 {
  81         int ret = -EINVAL;
  82
  83         if (dai->driver->ops &&
  84             dai->driver->ops->set_clkdiv)
  85                 ret = dai->driver->ops->set_clkdiv(dai, div_id, div);
  86
  87         return soc_dai_ret(dai, ret);
  88 }
  89 EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
  90
  91 /**
  92  * snd_soc_dai_set_pll - configure DAI PLL.
  93  * @dai: DAI
  94  * @pll_id: DAI specific PLL ID
  95  * @source: DAI specific source for the PLL
  96  * @freq_in: PLL input clock frequency in Hz
  97  * @freq_out: requested PLL output clock frequency in Hz
  98  *
  99  * Configures and enables PLL to generate output clock based on input clock.
 100  */
 101 int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
 102                         unsigned int freq_in, unsigned int freq_out)
 103 {
 104         int ret;
 105
 106         if (dai->driver->ops &&
 107             dai->driver->ops->set_pll)
 108                 ret = dai->driver->ops->set_pll(dai, pll_id, source,
 109                                                 freq_in, freq_out);
 110         else
 111                 ret = snd_soc_component_set_pll(dai->component, pll_id, source,
 112                                                 freq_in, freq_out);
 113
 114         return soc_dai_ret(dai, ret);
 115 }
 116 EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
 117
 118 /**
 119  * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio.
 120  * @dai: DAI
 121  * @ratio: Ratio of BCLK to Sample rate.
 122  *
 123  * Configures the DAI for a preset BCLK to sample rate ratio.
 124  */
 125 int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 126 {
 127         int ret = -ENOTSUPP;
 128
 129         if (dai->driver->ops &&
 130             dai->driver->ops->set_bclk_ratio)
 131                 ret = dai->driver->ops->set_bclk_ratio(dai, ratio);
 132
 133         return soc_dai_ret(dai, ret);
 134 }
 135 EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio);
 136
 137 int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd)
 138 {
 139         struct snd_soc_dai *dai;
 140         int i, max = 0;
 141
 142         /*
 143          * return max num if *ALL* DAIs have .auto_selectable_formats
 144          */
 145         for_each_rtd_dais(rtd, i, dai) {
 146                 if (dai->driver->ops &&
 147                     dai->driver->ops->num_auto_selectable_formats)
 148                         max = max(max, dai->driver->ops->num_auto_selectable_formats);
 149                 else
 150                         return 0;
 151         }
 152
 153         return max;
 154 }
 155
 156 /**
 157  * snd_soc_dai_get_fmt - get supported audio format.
 158  * @dai: DAI
 159  * @priority: priority level of supported audio format.
 160  *
 161  * This should return only formats implemented with high
 162  * quality by the DAI so that the core can configure a
 163  * format which will work well with other devices.
 164  * For example devices which don't support both edges of the
 165  * LRCLK signal in I2S style formats should only list DSP
 166  * modes.  This will mean that sometimes fewer formats
 167  * are reported here than are supported by set_fmt().
 168  */
 169 u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority)
 170 {
 171         const struct snd_soc_dai_ops *ops = dai->driver->ops;
 172         u64 fmt = 0;
 173         int i, max = 0, until = priority;
 174
 175         /*
 176          * Collect auto_selectable_formats until priority
 177          *
 178          * ex)
 179          *      auto_selectable_formats[] = { A, B, C };
 180          *      (A, B, C = SND_SOC_POSSIBLE_DAIFMT_xxx)
 181          *
 182          * priority = 1 :       A
 183          * priority = 2 :       A | B
 184          * priority = 3 :       A | B | C
 185          * priority = 4 :       A | B | C
 186          * ...
 187          */
 188         if (ops)
 189                 max = ops->num_auto_selectable_formats;
 190
 191         if (max < until)
 192                 until = max;
 193
 194         for (i = 0; i < until; i++)
 195                 fmt |= ops->auto_selectable_formats[i];
 196
 197         return fmt;
 198 }
 199
 200 /**
 201  * snd_soc_dai_set_fmt - configure DAI hardware audio format.
 202  * @dai: DAI
 203  * @fmt: SND_SOC_DAIFMT_* format value.
 204  *
 205  * Configures the DAI hardware format and clocking.
 206  */
 207 int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 208 {
 209         int ret = -ENOTSUPP;
 210
 211         if (dai->driver->ops && dai->driver->ops->set_fmt)
 212                 ret = dai->driver->ops->set_fmt(dai, fmt);
 213
 214         return soc_dai_ret(dai, ret);
 215 }
 216 EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
 217
 218 /**
 219  * snd_soc_xlate_tdm_slot_mask - generate tx/rx slot mask.
 220  * @slots: Number of slots in use.
 221  * @tx_mask: bitmask representing active TX slots.
 222  * @rx_mask: bitmask representing active RX slots.
 223  *
 224  * Generates the TDM tx and rx slot default masks for DAI.
 225  */
 226 static int snd_soc_xlate_tdm_slot_mask(unsigned int slots,
 227                                        unsigned int *tx_mask,
 228                                        unsigned int *rx_mask)
 229 {
 230         if (*tx_mask || *rx_mask)
 231                 return 0;
 232
 233         if (!slots)
 234                 return -EINVAL;
 235
 236         *tx_mask = (1 << slots) - 1;
 237         *rx_mask = (1 << slots) - 1;
 238
 239         return 0;
 240 }
 241
 242 /**
 243  * snd_soc_dai_set_tdm_slot() - Configures a DAI for TDM operation
 244  * @dai: The DAI to configure
 245  * @tx_mask: bitmask representing active TX slots.
 246  * @rx_mask: bitmask representing active RX slots.
 247  * @slots: Number of slots in use.
 248  * @slot_width: Width in bits for each slot.
 249  *
 250  * This function configures the specified DAI for TDM operation. @slot contains
 251  * the total number of slots of the TDM stream and @slot_with the width of each
 252  * slot in bit clock cycles. @tx_mask and @rx_mask are bitmasks specifying the
 253  * active slots of the TDM stream for the specified DAI, i.e. which slots the
 254  * DAI should write to or read from. If a bit is set the corresponding slot is
 255  * active, if a bit is cleared the corresponding slot is inactive. Bit 0 maps to
 256  * the first slot, bit 1 to the second slot and so on. The first active slot
 257  * maps to the first channel of the DAI, the second active slot to the second
 258  * channel and so on.
 259  *
 260  * TDM mode can be disabled by passing 0 for @slots. In this case @tx_mask,
 261  * @rx_mask and @slot_width will be ignored.
 262  *
 263  * Returns 0 on success, a negative error code otherwise.
 264  */
 265 int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
 266                              unsigned int tx_mask, unsigned int rx_mask,
 267                              int slots, int slot_width)
 268 {
 269         int ret = -ENOTSUPP;
 270         int stream;
 271         unsigned int *tdm_mask[] = {
 272                 &tx_mask,
 273                 &rx_mask,
 274         };
 275
 276         if (dai->driver->ops &&
 277             dai->driver->ops->xlate_tdm_slot_mask)
 278                 dai->driver->ops->xlate_tdm_slot_mask(slots,
 279                                                       &tx_mask, &rx_mask);
 280         else
 281                 snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask);
 282
 283         for_each_pcm_streams(stream)
 284                 snd_soc_dai_tdm_mask_set(dai, stream, *tdm_mask[stream]);
 285
 286         if (dai->driver->ops &&
 287             dai->driver->ops->set_tdm_slot)
 288                 ret = dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
 289                                                       slots, slot_width);
 290         return soc_dai_ret(dai, ret);
 291 }
 292 EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
 293
 294 /**
 295  * snd_soc_dai_set_channel_map - configure DAI audio channel map
 296  * @dai: DAI
 297  * @tx_num: how many TX channels
 298  * @tx_slot: pointer to an array which imply the TX slot number channel
 299  *           0~num-1 uses
 300  * @rx_num: how many RX channels
 301  * @rx_slot: pointer to an array which imply the RX slot number channel
 302  *           0~num-1 uses
 303  *
 304  * configure the relationship between channel number and TDM slot number.
 305  */
 306 int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
 307                                 unsigned int tx_num, unsigned int *tx_slot,
 308                                 unsigned int rx_num, unsigned int *rx_slot)
 309 {
 310         int ret = -ENOTSUPP;
 311
 312         if (dai->driver->ops &&
 313             dai->driver->ops->set_channel_map)
 314                 ret = dai->driver->ops->set_channel_map(dai, tx_num, tx_slot,
 315                                                         rx_num, rx_slot);
 316         return soc_dai_ret(dai, ret);
 317 }
 318 EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map);
 319
 320 /**
 321  * snd_soc_dai_get_channel_map - Get DAI audio channel map
 322  * @dai: DAI
 323  * @tx_num: how many TX channels
 324  * @tx_slot: pointer to an array which imply the TX slot number channel
 325  *           0~num-1 uses
 326  * @rx_num: how many RX channels
 327  * @rx_slot: pointer to an array which imply the RX slot number channel
 328  *           0~num-1 uses
 329  */
 330 int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
 331                                 unsigned int *tx_num, unsigned int *tx_slot,
 332                                 unsigned int *rx_num, unsigned int *rx_slot)
 333 {
 334         int ret = -ENOTSUPP;
 335
 336         if (dai->driver->ops &&
 337             dai->driver->ops->get_channel_map)
 338                 ret = dai->driver->ops->get_channel_map(dai, tx_num, tx_slot,
 339                                                         rx_num, rx_slot);
 340         return soc_dai_ret(dai, ret);
 341 }
 342 EXPORT_SYMBOL_GPL(snd_soc_dai_get_channel_map);
 343
 344 /**
 345  * snd_soc_dai_set_tristate - configure DAI system or master clock.
 346  * @dai: DAI
 347  * @tristate: tristate enable
 348  *
 349  * Tristates the DAI so that others can use it.
 350  */
 351 int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
 352 {
 353         int ret = -EINVAL;
 354
 355         if (dai->driver->ops &&
 356             dai->driver->ops->set_tristate)
 357                 ret = dai->driver->ops->set_tristate(dai, tristate);
 358
 359         return soc_dai_ret(dai, ret);
 360 }
 361 EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate);
 362
 363 /**
 364  * snd_soc_dai_digital_mute - configure DAI system or master clock.
 365  * @dai: DAI
 366  * @mute: mute enable
 367  * @direction: stream to mute
 368  *
 369  * Mutes the DAI DAC.
 370  */
 371 int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
 372                              int direction)
 373 {
 374         int ret = -ENOTSUPP;
 375
 376         /*
 377          * ignore if direction was CAPTURE
 378          * and it had .no_capture_mute flag
 379          */
 380         if (dai->driver->ops &&
 381             dai->driver->ops->mute_stream &&
 382             (direction == SNDRV_PCM_STREAM_PLAYBACK ||
 383              !dai->driver->ops->no_capture_mute))
 384                 ret = dai->driver->ops->mute_stream(dai, mute, direction);
 385
 386         return soc_dai_ret(dai, ret);
 387 }
 388 EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
 389
 390 int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
 391                           struct snd_pcm_substream *substream,
 392                           struct snd_pcm_hw_params *params)
 393 {
 394         int ret = 0;
 395
 396         if (dai->driver->ops &&
 397             dai->driver->ops->hw_params)
 398                 ret = dai->driver->ops->hw_params(substream, params, dai);
 399
 400         /* mark substream if succeeded */
 401         if (ret == 0)
 402                 soc_dai_mark_push(dai, substream, hw_params);
 403
 404         return soc_dai_ret(dai, ret);
 405 }
 406
 407 void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
 408                          struct snd_pcm_substream *substream,
 409                          int rollback)
 410 {
 411         if (rollback && !soc_dai_mark_match(dai, substream, hw_params))
 412                 return;
 413
 414         if (dai->driver->ops &&
 415             dai->driver->ops->hw_free)
 416                 dai->driver->ops->hw_free(substream, dai);
 417
 418         /* remove marked substream */
 419         soc_dai_mark_pop(dai, substream, hw_params);
 420 }
 421
 422 int snd_soc_dai_startup(struct snd_soc_dai *dai,
 423                         struct snd_pcm_substream *substream)
 424 {
 425         int ret = 0;
 426
 427         if (dai->driver->ops &&
 428             dai->driver->ops->startup)
 429                 ret = dai->driver->ops->startup(substream, dai);
 430
 431         /* mark substream if succeeded */
 432         if (ret == 0)
 433                 soc_dai_mark_push(dai, substream, startup);
 434
 435         return soc_dai_ret(dai, ret);
 436 }
 437
 438 void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
 439                           struct snd_pcm_substream *substream,
 440                           int rollback)
 441 {
 442         if (rollback && !soc_dai_mark_match(dai, substream, startup))
 443                 return;
 444
 445         if (dai->driver->ops &&
 446             dai->driver->ops->shutdown)
 447                 dai->driver->ops->shutdown(substream, dai);
 448
 449         /* remove marked substream */
 450         soc_dai_mark_pop(dai, substream, startup);
 451 }
 452
 453 int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
 454                              struct snd_soc_pcm_runtime *rtd, int num)
 455 {
 456         int ret = -ENOTSUPP;
 457         if (dai->driver->compress_new)
 458                 ret = dai->driver->compress_new(rtd, num);
 459         return soc_dai_ret(dai, ret);
 460 }
 461
 462 /*
 463  * snd_soc_dai_stream_valid() - check if a DAI supports the given stream
 464  *
 465  * Returns true if the DAI supports the indicated stream type.
 466  */
 467 bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir)
 468 {
 469         struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
 470
 471         /* If the codec specifies any channels at all, it supports the stream */
 472         return stream->channels_min;
 473 }
 474
 475 /*
 476  * snd_soc_dai_link_set_capabilities() - set dai_link properties based on its DAIs
 477  */
 478 void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link)
 479 {
 480         bool supported[SNDRV_PCM_STREAM_LAST + 1];
 481         int direction;
 482
 483         for_each_pcm_streams(direction) {
 484                 struct snd_soc_dai_link_component *cpu;
 485                 struct snd_soc_dai_link_component *codec;
 486                 struct snd_soc_dai *dai;
 487                 bool supported_cpu = false;
 488                 bool supported_codec = false;
 489                 int i;
 490
 491                 for_each_link_cpus(dai_link, i, cpu) {
 492                         dai = snd_soc_find_dai_with_mutex(cpu);
 493                         if (dai && snd_soc_dai_stream_valid(dai, direction)) {
 494                                 supported_cpu = true;
 495                                 break;
 496                         }
 497                 }
 498                 for_each_link_codecs(dai_link, i, codec) {
 499                         dai = snd_soc_find_dai_with_mutex(codec);
 500                         if (dai && snd_soc_dai_stream_valid(dai, direction)) {
 501                                 supported_codec = true;
 502                                 break;
 503                         }
 504                 }
 505                 supported[direction] = supported_cpu && supported_codec;
 506         }
 507
 508         dai_link->dpcm_playback = supported[SNDRV_PCM_STREAM_PLAYBACK];
 509         dai_link->dpcm_capture  = supported[SNDRV_PCM_STREAM_CAPTURE];
 510 }
 511 EXPORT_SYMBOL_GPL(snd_soc_dai_link_set_capabilities);
 512
 513 void snd_soc_dai_action(struct snd_soc_dai *dai,
 514                         int stream, int action)
 515 {
 516         /* see snd_soc_dai_stream_active() */
 517         dai->stream[stream].active      += action;
 518
 519         /* see snd_soc_component_active() */
 520         dai->component->active          += action;
 521 }
 522 EXPORT_SYMBOL_GPL(snd_soc_dai_action);
 523
 524 int snd_soc_dai_active(struct snd_soc_dai *dai)
 525 {
 526         int stream, active;
 527
 528         active = 0;
 529         for_each_pcm_streams(stream)
 530                 active += dai->stream[stream].active;
 531
 532         return active;
 533 }
 534 EXPORT_SYMBOL_GPL(snd_soc_dai_active);
 535
 536 int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order)
 537 {
 538         struct snd_soc_dai *dai;
 539         int i;
 540
 541         for_each_rtd_dais(rtd, i, dai) {
 542                 if (dai->driver->probe_order != order)
 543                         continue;
 544
 545                 if (dai->probed)
 546                         continue;
 547
 548                 if (dai->driver->probe) {
 549                         int ret = dai->driver->probe(dai);
 550
 551                         if (ret < 0)
 552                                 return soc_dai_ret(dai, ret);
 553                 }
 554
 555                 dai->probed = 1;
 556         }
 557
 558         return 0;
 559 }
 560
 561 int snd_soc_pcm_dai_remove(struct snd_soc_pcm_runtime *rtd, int order)
 562 {
 563         struct snd_soc_dai *dai;
 564         int i, r, ret = 0;
 565
 566         for_each_rtd_dais(rtd, i, dai) {
 567                 if (dai->driver->remove_order != order)
 568                         continue;
 569
 570                 if (dai->probed &&
 571                     dai->driver->remove) {
 572                         r = dai->driver->remove(dai);
 573                         if (r < 0)
 574                                 ret = r; /* use last error */
 575                 }
 576
 577                 dai->probed = 0;
 578         }
 579
 580         return ret;
 581 }
 582
 583 int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd)
 584 {
 585         struct snd_soc_dai *dai;
 586         int i;
 587
 588         for_each_rtd_dais(rtd, i, dai) {
 589                 if (dai->driver->pcm_new) {
 590                         int ret = dai->driver->pcm_new(rtd, dai);
 591                         if (ret < 0)
 592                                 return soc_dai_ret(dai, ret);
 593                 }
 594         }
 595
 596         return 0;
 597 }
 598
 599 int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream)
 600 {
 601         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 602         struct snd_soc_dai *dai;
 603         int i, ret;
 604
 605         for_each_rtd_dais(rtd, i, dai) {
 606                 if (dai->driver->ops &&
 607                     dai->driver->ops->prepare) {
 608                         ret = dai->driver->ops->prepare(substream, dai);
 609                         if (ret < 0)
 610                                 return soc_dai_ret(dai, ret);
 611                 }
 612         }
 613
 614         return 0;
 615 }
 616
 617 static int soc_dai_trigger(struct snd_soc_dai *dai,
 618                            struct snd_pcm_substream *substream, int cmd)
 619 {
 620         int ret = 0;
 621
 622         if (dai->driver->ops &&
 623             dai->driver->ops->trigger)
 624                 ret = dai->driver->ops->trigger(substream, cmd, dai);
 625
 626         return soc_dai_ret(dai, ret);
 627 }
 628
 629 int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream,
 630                             int cmd, int rollback)
 631 {
 632         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 633         struct snd_soc_dai *dai;
 634         int i, r, ret = 0;
 635
 636         switch (cmd) {
 637         case SNDRV_PCM_TRIGGER_START:
 638         case SNDRV_PCM_TRIGGER_RESUME:
 639         case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 640                 for_each_rtd_dais(rtd, i, dai) {
 641                         ret = soc_dai_trigger(dai, substream, cmd);
 642                         if (ret < 0)
 643                                 break;
 644                         soc_dai_mark_push(dai, substream, trigger);
 645                 }
 646                 break;
 647         case SNDRV_PCM_TRIGGER_STOP:
 648         case SNDRV_PCM_TRIGGER_SUSPEND:
 649         case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 650                 for_each_rtd_dais(rtd, i, dai) {
 651                         if (rollback && !soc_dai_mark_match(dai, substream, trigger))
 652                                 continue;
 653
 654                         r = soc_dai_trigger(dai, substream, cmd);
 655                         if (r < 0)
 656                                 ret = r; /* use last ret */
 657                         soc_dai_mark_pop(dai, substream, trigger);
 658                 }
 659         }
 660
 661         return ret;
 662 }
 663
 664 int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream *substream,
 665                                     int cmd)
 666 {
 667         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 668         struct snd_soc_dai *dai;
 669         int i, ret;
 670
 671         for_each_rtd_dais(rtd, i, dai) {
 672                 if (dai->driver->ops &&
 673                     dai->driver->ops->bespoke_trigger) {
 674                         ret = dai->driver->ops->bespoke_trigger(substream,
 675                                                                 cmd, dai);
 676                         if (ret < 0)
 677                                 return soc_dai_ret(dai, ret);
 678                 }
 679         }
 680
 681         return 0;
 682 }
 683
 684 void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream,
 685                            snd_pcm_sframes_t *cpu_delay,
 686                            snd_pcm_sframes_t *codec_delay)
 687 {
 688         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 689         struct snd_soc_dai *dai;
 690         int i;
 691
 692         /*
 693          * We're looking for the delay through the full audio path so it needs to
 694          * be the maximum of the DAIs doing transmit and the maximum of the DAIs
 695          * doing receive (ie, all CPUs and all CODECs) rather than just the maximum
 696          * of all DAIs.
 697          */
 698
 699         /* for CPU */
 700         for_each_rtd_cpu_dais(rtd, i, dai)
 701                 if (dai->driver->ops &&
 702                     dai->driver->ops->delay)
 703                         *cpu_delay = max(*cpu_delay, dai->driver->ops->delay(substream, dai));
 704
 705         /* for Codec */
 706         for_each_rtd_codec_dais(rtd, i, dai)
 707                 if (dai->driver->ops &&
 708                     dai->driver->ops->delay)
 709                         *codec_delay = max(*codec_delay, dai->driver->ops->delay(substream, dai));
 710 }
 711
 712 int snd_soc_dai_compr_startup(struct snd_soc_dai *dai,
 713                               struct snd_compr_stream *cstream)
 714 {
 715         int ret = 0;
 716
 717         if (dai->driver->cops &&
 718             dai->driver->cops->startup)
 719                 ret = dai->driver->cops->startup(cstream, dai);
 720
 721         /* mark cstream if succeeded */
 722         if (ret == 0)
 723                 soc_dai_mark_push(dai, cstream, compr_startup);
 724
 725         return soc_dai_ret(dai, ret);
 726 }
 727 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_startup);
 728
 729 void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,
 730                                 struct snd_compr_stream *cstream,
 731                                 int rollback)
 732 {
 733         if (rollback && !soc_dai_mark_match(dai, cstream, compr_startup))
 734                 return;
 735
 736         if (dai->driver->cops &&
 737             dai->driver->cops->shutdown)
 738                 dai->driver->cops->shutdown(cstream, dai);
 739
 740         /* remove marked cstream */
 741         soc_dai_mark_pop(dai, cstream, compr_startup);
 742 }
 743 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_shutdown);
 744
 745 int snd_soc_dai_compr_trigger(struct snd_soc_dai *dai,
 746                               struct snd_compr_stream *cstream, int cmd)
 747 {
 748         int ret = 0;
 749
 750         if (dai->driver->cops &&
 751             dai->driver->cops->trigger)
 752                 ret = dai->driver->cops->trigger(cstream, cmd, dai);
 753
 754         return soc_dai_ret(dai, ret);
 755 }
 756 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_trigger);
 757
 758 int snd_soc_dai_compr_set_params(struct snd_soc_dai *dai,
 759                                  struct snd_compr_stream *cstream,
 760                                  struct snd_compr_params *params)
 761 {
 762         int ret = 0;
 763
 764         if (dai->driver->cops &&
 765             dai->driver->cops->set_params)
 766                 ret = dai->driver->cops->set_params(cstream, params, dai);
 767
 768         return soc_dai_ret(dai, ret);
 769 }
 770 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_set_params);
 771
 772 int snd_soc_dai_compr_get_params(struct snd_soc_dai *dai,
 773                                  struct snd_compr_stream *cstream,
 774                                  struct snd_codec *params)
 775 {
 776         int ret = 0;
 777
 778         if (dai->driver->cops &&
 779             dai->driver->cops->get_params)
 780                 ret = dai->driver->cops->get_params(cstream, params, dai);
 781
 782         return soc_dai_ret(dai, ret);
 783 }
 784 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_get_params);
 785
 786 int snd_soc_dai_compr_ack(struct snd_soc_dai *dai,
 787                           struct snd_compr_stream *cstream,
 788                           size_t bytes)
 789 {
 790         int ret = 0;
 791
 792         if (dai->driver->cops &&
 793             dai->driver->cops->ack)
 794                 ret = dai->driver->cops->ack(cstream, bytes, dai);
 795
 796         return soc_dai_ret(dai, ret);
 797 }
 798 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_ack);
 799
 800 int snd_soc_dai_compr_pointer(struct snd_soc_dai *dai,
 801                               struct snd_compr_stream *cstream,
 802                               struct snd_compr_tstamp *tstamp)
 803 {
 804         int ret = 0;
 805
 806         if (dai->driver->cops &&
 807             dai->driver->cops->pointer)
 808                 ret = dai->driver->cops->pointer(cstream, tstamp, dai);
 809
 810         return soc_dai_ret(dai, ret);
 811 }
 812 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_pointer);
 813
 814 int snd_soc_dai_compr_set_metadata(struct snd_soc_dai *dai,
 815                                    struct snd_compr_stream *cstream,
 816                                    struct snd_compr_metadata *metadata)
 817 {
 818         int ret = 0;
 819
 820         if (dai->driver->cops &&
 821             dai->driver->cops->set_metadata)
 822                 ret = dai->driver->cops->set_metadata(cstream, metadata, dai);
 823
 824         return soc_dai_ret(dai, ret);
 825 }
 826 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_set_metadata);
 827
 828 int snd_soc_dai_compr_get_metadata(struct snd_soc_dai *dai,
 829                                    struct snd_compr_stream *cstream,
 830                                    struct snd_compr_metadata *metadata)
 831 {
 832         int ret = 0;
 833
 834         if (dai->driver->cops &&
 835             dai->driver->cops->get_metadata)
 836                 ret = dai->driver->cops->get_metadata(cstream, metadata, dai);
 837
 838         return soc_dai_ret(dai, ret);
 839 }
 840 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_get_metadata);