1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2// 3// This file is provided under a dual BSD/GPLv2 license. When using or 4// redistributing this file, you may do so under either license. 5// 6// Copyright(c) 2022 Intel Corporation. All rights reserved. 7 8#include <sound/pcm_params.h> 9#include <sound/hdaudio_ext.h> 10#include <sound/hda-mlink.h> 11#include <sound/sof/ipc4/header.h> 12#include <uapi/sound/sof/header.h> 13#include "../ipc4-priv.h" 14#include "../ipc4-topology.h" 15#include "../sof-priv.h" 16#include "../sof-audio.h" 17#include "hda.h" 18 19/* These ops are only applicable for the HDA DAI's in their current form */ 20#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK) 21/* 22 * This function checks if the host dma channel corresponding 23 * to the link DMA stream_tag argument is assigned to one 24 * of the FEs connected to the BE DAI. 25 */ 26static bool hda_check_fes(struct snd_soc_pcm_runtime *rtd, 27 int dir, int stream_tag) 28{ 29 struct snd_pcm_substream *fe_substream; 30 struct hdac_stream *fe_hstream; 31 struct snd_soc_dpcm *dpcm; 32 33 for_each_dpcm_fe(rtd, dir, dpcm) { 34 fe_substream = snd_soc_dpcm_get_substream(dpcm->fe, dir); 35 fe_hstream = fe_substream->runtime->private_data; 36 if (fe_hstream->stream_tag == stream_tag) 37 return true; 38 } 39 40 return false; 41} 42 43static struct hdac_ext_stream * 44hda_link_stream_assign(struct hdac_bus *bus, struct snd_pcm_substream *substream) 45{ 46 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 47 struct sof_intel_hda_stream *hda_stream; 48 const struct sof_intel_dsp_desc *chip; 49 struct snd_sof_dev *sdev; 50 struct hdac_ext_stream *res = NULL; 51 struct hdac_stream *hstream = NULL; 52 53 int stream_dir = substream->stream; 54 55 if (!bus->ppcap) { 56 dev_err(bus->dev, "stream type not supported\n"); 57 return NULL; 58 } 59 60 spin_lock_irq(&bus->reg_lock); 61 list_for_each_entry(hstream, &bus->stream_list, list) { 62 struct hdac_ext_stream *hext_stream = 63 stream_to_hdac_ext_stream(hstream); 64 if (hstream->direction != substream->stream) 65 continue; 66 67 hda_stream = hstream_to_sof_hda_stream(hext_stream); 68 sdev = hda_stream->sdev; 69 chip = get_chip_info(sdev->pdata); 70 71 /* check if link is available */ 72 if (!hext_stream->link_locked) { 73 /* 74 * choose the first available link for platforms that do not have the 75 * PROCEN_FMT_QUIRK set. 76 */ 77 if (!(chip->quirks & SOF_INTEL_PROCEN_FMT_QUIRK)) { 78 res = hext_stream; 79 break; 80 } 81 82 if (hstream->opened) { 83 /* 84 * check if the stream tag matches the stream 85 * tag of one of the connected FEs 86 */ 87 if (hda_check_fes(rtd, stream_dir, 88 hstream->stream_tag)) { 89 res = hext_stream; 90 break; 91 } 92 } else { 93 res = hext_stream; 94 95 /* 96 * This must be a hostless stream. 97 * So reserve the host DMA channel. 98 */ 99 hda_stream->host_reserved = 1; 100 break; 101 } 102 } 103 } 104 105 if (res) { 106 /* Make sure that host and link DMA is decoupled. */ 107 snd_hdac_ext_stream_decouple_locked(bus, res, true); 108 109 res->link_locked = 1; 110 res->link_substream = substream; 111 } 112 spin_unlock_irq(&bus->reg_lock); 113 114 return res; 115} 116 117static struct hdac_ext_stream *hda_get_hext_stream(struct snd_sof_dev *sdev, 118 struct snd_soc_dai *cpu_dai, 119 struct snd_pcm_substream *substream) 120{ 121 return snd_soc_dai_get_dma_data(cpu_dai, substream); 122} 123 124static struct hdac_ext_stream *hda_ipc4_get_hext_stream(struct snd_sof_dev *sdev, 125 struct snd_soc_dai *cpu_dai, 126 struct snd_pcm_substream *substream) 127{ 128 struct snd_sof_widget *pipe_widget; 129 struct sof_ipc4_pipeline *pipeline; 130 struct snd_sof_widget *swidget; 131 struct snd_soc_dapm_widget *w; 132 133 w = snd_soc_dai_get_widget(cpu_dai, substream->stream); 134 swidget = w->dobj.private; 135 pipe_widget = swidget->spipe->pipe_widget; 136 pipeline = pipe_widget->private; 137 138 /* mark pipeline so that it can be skipped during FE trigger */ 139 pipeline->skip_during_fe_trigger = true; 140 141 return snd_soc_dai_get_dma_data(cpu_dai, substream); 142} 143 144static struct hdac_ext_stream *hda_assign_hext_stream(struct snd_sof_dev *sdev, 145 struct snd_soc_dai *cpu_dai, 146 struct snd_pcm_substream *substream) 147{ 148 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 149 struct snd_soc_dai *dai; 150 struct hdac_ext_stream *hext_stream; 151 152 /* only allocate a stream_tag for the first DAI in the dailink */ 153 dai = asoc_rtd_to_cpu(rtd, 0); 154 if (dai == cpu_dai) 155 hext_stream = hda_link_stream_assign(sof_to_bus(sdev), substream); 156 else 157 hext_stream = snd_soc_dai_get_dma_data(dai, substream); 158 159 if (!hext_stream) 160 return NULL; 161 162 snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)hext_stream); 163 164 return hext_stream; 165} 166 167static void hda_release_hext_stream(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, 168 struct snd_pcm_substream *substream) 169{ 170 struct hdac_ext_stream *hext_stream = hda_get_hext_stream(sdev, cpu_dai, substream); 171 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 172 struct snd_soc_dai *dai; 173 174 /* only release a stream_tag for the first DAI in the dailink */ 175 dai = asoc_rtd_to_cpu(rtd, 0); 176 if (dai == cpu_dai) 177 snd_hdac_ext_stream_release(hext_stream, HDAC_EXT_STREAM_TYPE_LINK); 178 snd_soc_dai_set_dma_data(cpu_dai, substream, NULL); 179} 180 181static void hda_setup_hext_stream(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream, 182 unsigned int format_val) 183{ 184 snd_hdac_ext_stream_setup(hext_stream, format_val); 185} 186 187static void hda_reset_hext_stream(struct snd_sof_dev *sdev, struct hdac_ext_stream *hext_stream) 188{ 189 snd_hdac_ext_stream_reset(hext_stream); 190} 191 192static void hda_codec_dai_set_stream(struct snd_sof_dev *sdev, 193 struct snd_pcm_substream *substream, 194 struct hdac_stream *hstream) 195{ 196 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 197 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 198 199 /* set the hdac_stream in the codec dai */ 200 snd_soc_dai_set_stream(codec_dai, hstream, substream->stream); 201} 202 203static unsigned int hda_calc_stream_format(struct snd_sof_dev *sdev, 204 struct snd_pcm_substream *substream, 205 struct snd_pcm_hw_params *params) 206{ 207 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 208 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 209 unsigned int link_bps; 210 unsigned int format_val; 211 212 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 213 link_bps = codec_dai->driver->playback.sig_bits; 214 else 215 link_bps = codec_dai->driver->capture.sig_bits; 216 217 format_val = snd_hdac_calc_stream_format(params_rate(params), params_channels(params), 218 params_format(params), link_bps, 0); 219 220 dev_dbg(sdev->dev, "format_val=%#x, rate=%d, ch=%d, format=%d\n", format_val, 221 params_rate(params), params_channels(params), params_format(params)); 222 223 return format_val; 224} 225 226static struct hdac_ext_link *hda_get_hlink(struct snd_sof_dev *sdev, 227 struct snd_pcm_substream *substream) 228{ 229 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 230 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 231 struct hdac_bus *bus = sof_to_bus(sdev); 232 233 return snd_hdac_ext_bus_get_hlink_by_name(bus, codec_dai->component->name); 234} 235 236static unsigned int generic_calc_stream_format(struct snd_sof_dev *sdev, 237 struct snd_pcm_substream *substream, 238 struct snd_pcm_hw_params *params) 239{ 240 unsigned int format_val; 241 242 format_val = snd_hdac_calc_stream_format(params_rate(params), params_channels(params), 243 params_format(params), 244 params_physical_width(params), 245 0); 246 247 dev_dbg(sdev->dev, "format_val=%#x, rate=%d, ch=%d, format=%d\n", format_val, 248 params_rate(params), params_channels(params), params_format(params)); 249 250 return format_val; 251} 252 253static unsigned int dmic_calc_stream_format(struct snd_sof_dev *sdev, 254 struct snd_pcm_substream *substream, 255 struct snd_pcm_hw_params *params) 256{ 257 unsigned int format_val; 258 snd_pcm_format_t format; 259 unsigned int channels; 260 unsigned int width; 261 262 channels = params_channels(params); 263 format = params_format(params); 264 width = params_physical_width(params); 265 266 if (format == SNDRV_PCM_FORMAT_S16_LE) { 267 format = SNDRV_PCM_FORMAT_S32_LE; 268 channels /= 2; 269 width = 32; 270 } 271 272 format_val = snd_hdac_calc_stream_format(params_rate(params), channels, 273 format, 274 width, 275 0); 276 277 dev_dbg(sdev->dev, "format_val=%#x, rate=%d, ch=%d, format=%d\n", format_val, 278 params_rate(params), channels, format); 279 280 return format_val; 281} 282 283static struct hdac_ext_link *ssp_get_hlink(struct snd_sof_dev *sdev, 284 struct snd_pcm_substream *substream) 285{ 286 struct hdac_bus *bus = sof_to_bus(sdev); 287 288 return hdac_bus_eml_ssp_get_hlink(bus); 289} 290 291static struct hdac_ext_link *dmic_get_hlink(struct snd_sof_dev *sdev, 292 struct snd_pcm_substream *substream) 293{ 294 struct hdac_bus *bus = sof_to_bus(sdev); 295 296 return hdac_bus_eml_dmic_get_hlink(bus); 297} 298 299static struct hdac_ext_link *sdw_get_hlink(struct snd_sof_dev *sdev, 300 struct snd_pcm_substream *substream) 301{ 302 struct hdac_bus *bus = sof_to_bus(sdev); 303 304 return hdac_bus_eml_sdw_get_hlink(bus); 305} 306 307static int hda_ipc4_pre_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, 308 struct snd_pcm_substream *substream, int cmd) 309{ 310 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 311 struct snd_sof_widget *pipe_widget; 312 struct sof_ipc4_pipeline *pipeline; 313 struct snd_sof_widget *swidget; 314 struct snd_soc_dapm_widget *w; 315 int ret = 0; 316 317 w = snd_soc_dai_get_widget(cpu_dai, substream->stream); 318 swidget = w->dobj.private; 319 pipe_widget = swidget->spipe->pipe_widget; 320 pipeline = pipe_widget->private; 321 322 if (pipe_widget->instance_id < 0) 323 return 0; 324 325 mutex_lock(&ipc4_data->pipeline_state_mutex); 326 327 switch (cmd) { 328 case SNDRV_PCM_TRIGGER_START: 329 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 330 break; 331 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 332 case SNDRV_PCM_TRIGGER_SUSPEND: 333 case SNDRV_PCM_TRIGGER_STOP: 334 ret = sof_ipc4_set_pipeline_state(sdev, pipe_widget->instance_id, 335 SOF_IPC4_PIPE_PAUSED); 336 if (ret < 0) 337 goto out; 338 339 pipeline->state = SOF_IPC4_PIPE_PAUSED; 340 break; 341 default: 342 dev_err(sdev->dev, "unknown trigger command %d\n", cmd); 343 ret = -EINVAL; 344 } 345out: 346 mutex_unlock(&ipc4_data->pipeline_state_mutex); 347 return ret; 348} 349 350static int hda_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, 351 struct snd_pcm_substream *substream, int cmd) 352{ 353 struct hdac_ext_stream *hext_stream = snd_soc_dai_get_dma_data(cpu_dai, substream); 354 355 switch (cmd) { 356 case SNDRV_PCM_TRIGGER_START: 357 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 358 snd_hdac_ext_stream_start(hext_stream); 359 break; 360 case SNDRV_PCM_TRIGGER_SUSPEND: 361 case SNDRV_PCM_TRIGGER_STOP: 362 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 363 snd_hdac_ext_stream_clear(hext_stream); 364 break; 365 default: 366 dev_err(sdev->dev, "unknown trigger command %d\n", cmd); 367 return -EINVAL; 368 } 369 370 return 0; 371} 372 373static int hda_ipc4_post_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, 374 struct snd_pcm_substream *substream, int cmd) 375{ 376 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 377 struct snd_sof_widget *pipe_widget; 378 struct sof_ipc4_pipeline *pipeline; 379 struct snd_sof_widget *swidget; 380 struct snd_soc_dapm_widget *w; 381 int ret = 0; 382 383 w = snd_soc_dai_get_widget(cpu_dai, substream->stream); 384 swidget = w->dobj.private; 385 pipe_widget = swidget->spipe->pipe_widget; 386 pipeline = pipe_widget->private; 387 388 if (pipe_widget->instance_id < 0) 389 return 0; 390 391 mutex_lock(&ipc4_data->pipeline_state_mutex); 392 393 switch (cmd) { 394 case SNDRV_PCM_TRIGGER_START: 395 if (pipeline->state != SOF_IPC4_PIPE_PAUSED) { 396 ret = sof_ipc4_set_pipeline_state(sdev, pipe_widget->instance_id, 397 SOF_IPC4_PIPE_PAUSED); 398 if (ret < 0) 399 goto out; 400 pipeline->state = SOF_IPC4_PIPE_PAUSED; 401 } 402 403 ret = sof_ipc4_set_pipeline_state(sdev, pipe_widget->instance_id, 404 SOF_IPC4_PIPE_RUNNING); 405 if (ret < 0) 406 goto out; 407 pipeline->state = SOF_IPC4_PIPE_RUNNING; 408 swidget->spipe->started_count++; 409 break; 410 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 411 ret = sof_ipc4_set_pipeline_state(sdev, pipe_widget->instance_id, 412 SOF_IPC4_PIPE_RUNNING); 413 if (ret < 0) 414 goto out; 415 pipeline->state = SOF_IPC4_PIPE_RUNNING; 416 break; 417 case SNDRV_PCM_TRIGGER_SUSPEND: 418 case SNDRV_PCM_TRIGGER_STOP: 419 /* 420 * STOP/SUSPEND trigger is invoked only once when all users of this pipeline have 421 * been stopped. So, clear the started_count so that the pipeline can be reset 422 */ 423 swidget->spipe->started_count = 0; 424 break; 425 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 426 break; 427 default: 428 dev_err(sdev->dev, "unknown trigger command %d\n", cmd); 429 ret = -EINVAL; 430 break; 431 } 432out: 433 mutex_unlock(&ipc4_data->pipeline_state_mutex); 434 return ret; 435} 436 437static struct hdac_ext_stream *sdw_hda_ipc4_get_hext_stream(struct snd_sof_dev *sdev, 438 struct snd_soc_dai *cpu_dai, 439 struct snd_pcm_substream *substream) 440{ 441 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); 442 struct snd_sof_widget *swidget = w->dobj.private; 443 struct snd_sof_dai *dai = swidget->private; 444 struct sof_ipc4_copier *ipc4_copier = dai->private; 445 struct sof_ipc4_alh_configuration_blob *blob; 446 447 blob = (struct sof_ipc4_alh_configuration_blob *)ipc4_copier->copier_config; 448 449 /* 450 * Starting with ACE_2_0, re-setting the device_count is mandatory to avoid using 451 * the multi-gateway firmware configuration. The DMA hardware can take care of 452 * multiple links without needing any firmware assistance 453 */ 454 blob->alh_cfg.device_count = 1; 455 456 return hda_ipc4_get_hext_stream(sdev, cpu_dai, substream); 457} 458 459static const struct hda_dai_widget_dma_ops hda_ipc4_dma_ops = { 460 .get_hext_stream = hda_ipc4_get_hext_stream, 461 .assign_hext_stream = hda_assign_hext_stream, 462 .release_hext_stream = hda_release_hext_stream, 463 .setup_hext_stream = hda_setup_hext_stream, 464 .reset_hext_stream = hda_reset_hext_stream, 465 .pre_trigger = hda_ipc4_pre_trigger, 466 .trigger = hda_trigger, 467 .post_trigger = hda_ipc4_post_trigger, 468 .codec_dai_set_stream = hda_codec_dai_set_stream, 469 .calc_stream_format = hda_calc_stream_format, 470 .get_hlink = hda_get_hlink, 471}; 472 473static const struct hda_dai_widget_dma_ops ssp_ipc4_dma_ops = { 474 .get_hext_stream = hda_ipc4_get_hext_stream, 475 .assign_hext_stream = hda_assign_hext_stream, 476 .release_hext_stream = hda_release_hext_stream, 477 .setup_hext_stream = hda_setup_hext_stream, 478 .reset_hext_stream = hda_reset_hext_stream, 479 .pre_trigger = hda_ipc4_pre_trigger, 480 .trigger = hda_trigger, 481 .post_trigger = hda_ipc4_post_trigger, 482 .calc_stream_format = generic_calc_stream_format, 483 .get_hlink = ssp_get_hlink, 484}; 485 486static const struct hda_dai_widget_dma_ops dmic_ipc4_dma_ops = { 487 .get_hext_stream = hda_ipc4_get_hext_stream, 488 .assign_hext_stream = hda_assign_hext_stream, 489 .release_hext_stream = hda_release_hext_stream, 490 .setup_hext_stream = hda_setup_hext_stream, 491 .reset_hext_stream = hda_reset_hext_stream, 492 .pre_trigger = hda_ipc4_pre_trigger, 493 .trigger = hda_trigger, 494 .post_trigger = hda_ipc4_post_trigger, 495 .calc_stream_format = dmic_calc_stream_format, 496 .get_hlink = dmic_get_hlink, 497}; 498 499static const struct hda_dai_widget_dma_ops sdw_ipc4_dma_ops = { 500 .get_hext_stream = sdw_hda_ipc4_get_hext_stream, 501 .assign_hext_stream = hda_assign_hext_stream, 502 .release_hext_stream = hda_release_hext_stream, 503 .setup_hext_stream = hda_setup_hext_stream, 504 .reset_hext_stream = hda_reset_hext_stream, 505 .pre_trigger = hda_ipc4_pre_trigger, 506 .trigger = hda_trigger, 507 .post_trigger = hda_ipc4_post_trigger, 508 .calc_stream_format = generic_calc_stream_format, 509 .get_hlink = sdw_get_hlink, 510}; 511 512static const struct hda_dai_widget_dma_ops hda_ipc4_chain_dma_ops = { 513 .get_hext_stream = hda_get_hext_stream, 514 .assign_hext_stream = hda_assign_hext_stream, 515 .release_hext_stream = hda_release_hext_stream, 516 .setup_hext_stream = hda_setup_hext_stream, 517 .reset_hext_stream = hda_reset_hext_stream, 518 .trigger = hda_trigger, 519 .codec_dai_set_stream = hda_codec_dai_set_stream, 520 .calc_stream_format = hda_calc_stream_format, 521 .get_hlink = hda_get_hlink, 522}; 523 524static int hda_ipc3_post_trigger(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, 525 struct snd_pcm_substream *substream, int cmd) 526{ 527 struct hdac_ext_stream *hext_stream = hda_get_hext_stream(sdev, cpu_dai, substream); 528 struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(cpu_dai, substream->stream); 529 530 switch (cmd) { 531 case SNDRV_PCM_TRIGGER_SUSPEND: 532 case SNDRV_PCM_TRIGGER_STOP: 533 { 534 struct snd_sof_dai_config_data data = { 0 }; 535 int ret; 536 537 data.dai_data = DMA_CHAN_INVALID; 538 ret = hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_HW_FREE, &data); 539 if (ret < 0) 540 return ret; 541 542 if (cmd == SNDRV_PCM_TRIGGER_STOP) 543 return hda_link_dma_cleanup(substream, hext_stream, cpu_dai); 544 545 break; 546 } 547 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 548 return hda_dai_config(w, SOF_DAI_CONFIG_FLAGS_PAUSE, NULL); 549 default: 550 break; 551 } 552 553 return 0; 554} 555 556static const struct hda_dai_widget_dma_ops hda_ipc3_dma_ops = { 557 .get_hext_stream = hda_get_hext_stream, 558 .assign_hext_stream = hda_assign_hext_stream, 559 .release_hext_stream = hda_release_hext_stream, 560 .setup_hext_stream = hda_setup_hext_stream, 561 .reset_hext_stream = hda_reset_hext_stream, 562 .trigger = hda_trigger, 563 .post_trigger = hda_ipc3_post_trigger, 564 .codec_dai_set_stream = hda_codec_dai_set_stream, 565 .calc_stream_format = hda_calc_stream_format, 566 .get_hlink = hda_get_hlink, 567}; 568 569static struct hdac_ext_stream * 570hda_dspless_get_hext_stream(struct snd_sof_dev *sdev, struct snd_soc_dai *cpu_dai, 571 struct snd_pcm_substream *substream) 572{ 573 struct hdac_stream *hstream = substream->runtime->private_data; 574 575 return stream_to_hdac_ext_stream(hstream); 576} 577 578static void hda_dspless_setup_hext_stream(struct snd_sof_dev *sdev, 579 struct hdac_ext_stream *hext_stream, 580 unsigned int format_val) 581{ 582 /* 583 * Save the format_val which was adjusted by the maxbps of the codec. 584 * This information is not available on the FE side since there we are 585 * using dummy_codec. 586 */ 587 hext_stream->hstream.format_val = format_val; 588} 589 590static const struct hda_dai_widget_dma_ops hda_dspless_dma_ops = { 591 .get_hext_stream = hda_dspless_get_hext_stream, 592 .setup_hext_stream = hda_dspless_setup_hext_stream, 593 .codec_dai_set_stream = hda_codec_dai_set_stream, 594 .calc_stream_format = hda_calc_stream_format, 595 .get_hlink = hda_get_hlink, 596}; 597 598#endif 599 600const struct hda_dai_widget_dma_ops * 601hda_select_dai_widget_ops(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget) 602{ 603#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK) 604 struct snd_sof_dai *sdai; 605 606 if (sdev->dspless_mode_selected) 607 return &hda_dspless_dma_ops; 608 609 sdai = swidget->private; 610 611 switch (sdev->pdata->ipc_type) { 612 case SOF_IPC: 613 { 614 struct sof_dai_private_data *private = sdai->private; 615 616 if (private->dai_config->type == SOF_DAI_INTEL_HDA) 617 return &hda_ipc3_dma_ops; 618 break; 619 } 620 case SOF_INTEL_IPC4: 621 { 622 struct sof_ipc4_copier *ipc4_copier = sdai->private; 623 const struct sof_intel_dsp_desc *chip; 624 625 chip = get_chip_info(sdev->pdata); 626 627 switch (ipc4_copier->dai_type) { 628 case SOF_DAI_INTEL_HDA: 629 { 630 struct snd_sof_widget *pipe_widget = swidget->spipe->pipe_widget; 631 struct sof_ipc4_pipeline *pipeline = pipe_widget->private; 632 633 if (pipeline->use_chain_dma) 634 return &hda_ipc4_chain_dma_ops; 635 636 return &hda_ipc4_dma_ops; 637 } 638 case SOF_DAI_INTEL_SSP: 639 if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) 640 return NULL; 641 return &ssp_ipc4_dma_ops; 642 case SOF_DAI_INTEL_DMIC: 643 if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) 644 return NULL; 645 return &dmic_ipc4_dma_ops; 646 case SOF_DAI_INTEL_ALH: 647 if (chip->hw_ip_version < SOF_INTEL_ACE_2_0) 648 return NULL; 649 return &sdw_ipc4_dma_ops; 650 651 default: 652 break; 653 } 654 break; 655 } 656 default: 657 break; 658 } 659#endif 660 return NULL; 661} 662