1 // SPDX-License-Identifier: GPL-2.0-only
3 // Copyright(c) 2021 Intel Corporation. All rights reserved.
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
9 #include <sound/intel-nhlt.h>
10 #include <sound/pcm_params.h>
11 #include <sound/soc.h>
16 /* Must be called with adev->comp_list_mutex held. */
17 static struct avs_tplg *
18 avs_path_find_tplg(struct avs_dev *adev, const char *name)
20 struct avs_soc_component *acomp;
22 list_for_each_entry(acomp, &adev->comp_list, node)
23 if (!strcmp(acomp->tplg->name, name))
28 static struct avs_path_module *
29 avs_path_find_module(struct avs_path_pipeline *ppl, u32 template_id)
31 struct avs_path_module *mod;
33 list_for_each_entry(mod, &ppl->mod_list, node)
34 if (mod->template->id == template_id)
39 static struct avs_path_pipeline *
40 avs_path_find_pipeline(struct avs_path *path, u32 template_id)
42 struct avs_path_pipeline *ppl;
44 list_for_each_entry(ppl, &path->ppl_list, node)
45 if (ppl->template->id == template_id)
50 static struct avs_path *
51 avs_path_find_path(struct avs_dev *adev, const char *name, u32 template_id)
53 struct avs_tplg_path_template *pos, *template = NULL;
54 struct avs_tplg *tplg;
55 struct avs_path *path;
57 tplg = avs_path_find_tplg(adev, name);
61 list_for_each_entry(pos, &tplg->path_tmpl_list, node) {
62 if (pos->id == template_id) {
70 spin_lock(&adev->path_list_lock);
71 /* Only one variant of given path template may be instantiated at a time. */
72 list_for_each_entry(path, &adev->path_list, node) {
73 if (path->template->owner == template) {
74 spin_unlock(&adev->path_list_lock);
79 spin_unlock(&adev->path_list_lock);
83 static bool avs_test_hw_params(struct snd_pcm_hw_params *params,
84 struct avs_audio_format *fmt)
86 return (params_rate(params) == fmt->sampling_freq &&
87 params_channels(params) == fmt->num_channels &&
88 params_physical_width(params) == fmt->bit_depth &&
89 params_width(params) == fmt->valid_bit_depth);
92 static struct avs_tplg_path *
93 avs_path_find_variant(struct avs_dev *adev,
94 struct avs_tplg_path_template *template,
95 struct snd_pcm_hw_params *fe_params,
96 struct snd_pcm_hw_params *be_params)
98 struct avs_tplg_path *variant;
100 list_for_each_entry(variant, &template->path_list, node) {
101 dev_dbg(adev->dev, "check FE rate %d chn %d vbd %d bd %d\n",
102 variant->fe_fmt->sampling_freq, variant->fe_fmt->num_channels,
103 variant->fe_fmt->valid_bit_depth, variant->fe_fmt->bit_depth);
104 dev_dbg(adev->dev, "check BE rate %d chn %d vbd %d bd %d\n",
105 variant->be_fmt->sampling_freq, variant->be_fmt->num_channels,
106 variant->be_fmt->valid_bit_depth, variant->be_fmt->bit_depth);
108 if (variant->fe_fmt && avs_test_hw_params(fe_params, variant->fe_fmt) &&
109 variant->be_fmt && avs_test_hw_params(be_params, variant->be_fmt))
117 static bool avs_dma_type_is_host(u32 dma_type)
119 return dma_type == AVS_DMA_HDA_HOST_OUTPUT ||
120 dma_type == AVS_DMA_HDA_HOST_INPUT;
124 static bool avs_dma_type_is_link(u32 dma_type)
126 return !avs_dma_type_is_host(dma_type);
130 static bool avs_dma_type_is_output(u32 dma_type)
132 return dma_type == AVS_DMA_HDA_HOST_OUTPUT ||
133 dma_type == AVS_DMA_HDA_LINK_OUTPUT ||
134 dma_type == AVS_DMA_I2S_LINK_OUTPUT;
138 static bool avs_dma_type_is_input(u32 dma_type)
140 return !avs_dma_type_is_output(dma_type);
143 static int avs_copier_create(struct avs_dev *adev, struct avs_path_module *mod)
145 struct nhlt_acpi_table *nhlt = adev->nhlt;
146 struct avs_tplg_module *t = mod->template;
147 struct avs_copier_cfg *cfg;
148 struct nhlt_specific_cfg *ep_blob;
149 union avs_connector_node_id node_id = {0};
150 size_t cfg_size, data_size = 0;
155 dma_type = t->cfg_ext->copier.dma_type;
156 node_id.dma_type = dma_type;
159 struct avs_audio_format *fmt;
162 case AVS_DMA_I2S_LINK_OUTPUT:
163 case AVS_DMA_I2S_LINK_INPUT:
164 if (avs_dma_type_is_input(dma_type))
165 direction = SNDRV_PCM_STREAM_CAPTURE;
167 direction = SNDRV_PCM_STREAM_PLAYBACK;
169 if (t->cfg_ext->copier.blob_fmt)
170 fmt = t->cfg_ext->copier.blob_fmt;
171 else if (direction == SNDRV_PCM_STREAM_CAPTURE)
174 fmt = t->cfg_ext->copier.out_fmt;
176 ep_blob = intel_nhlt_get_endpoint_blob(adev->dev,
177 nhlt, t->cfg_ext->copier.vindex.i2s.instance,
178 NHLT_LINK_SSP, fmt->valid_bit_depth, fmt->bit_depth,
179 fmt->num_channels, fmt->sampling_freq, direction,
182 dev_err(adev->dev, "no I2S ep_blob found\n");
186 data = ep_blob->caps;
187 data_size = ep_blob->size;
188 /* I2S gateway's vindex is statically assigned in topology */
189 node_id.vindex = t->cfg_ext->copier.vindex.val;
193 case AVS_DMA_DMIC_LINK_INPUT:
194 direction = SNDRV_PCM_STREAM_CAPTURE;
196 if (t->cfg_ext->copier.blob_fmt)
197 fmt = t->cfg_ext->copier.blob_fmt;
201 ep_blob = intel_nhlt_get_endpoint_blob(adev->dev, nhlt, 0,
202 NHLT_LINK_DMIC, fmt->valid_bit_depth,
203 fmt->bit_depth, fmt->num_channels,
204 fmt->sampling_freq, direction, NHLT_DEVICE_DMIC);
206 dev_err(adev->dev, "no DMIC ep_blob found\n");
210 data = ep_blob->caps;
211 data_size = ep_blob->size;
212 /* DMIC gateway's vindex is statically assigned in topology */
213 node_id.vindex = t->cfg_ext->copier.vindex.val;
217 case AVS_DMA_HDA_HOST_OUTPUT:
218 case AVS_DMA_HDA_HOST_INPUT:
219 /* HOST gateway's vindex is dynamically assigned with DMA id */
220 node_id.vindex = mod->owner->owner->dma_id;
223 case AVS_DMA_HDA_LINK_OUTPUT:
224 case AVS_DMA_HDA_LINK_INPUT:
225 node_id.vindex = t->cfg_ext->copier.vindex.val |
226 mod->owner->owner->dma_id;
229 case INVALID_OBJECT_ID:
231 node_id = INVALID_NODE_ID;
235 cfg_size = sizeof(*cfg) + data_size;
236 /* Every config-BLOB contains gateway attributes. */
238 cfg_size -= sizeof(cfg->gtw_cfg.config.attrs);
240 cfg = kzalloc(cfg_size, GFP_KERNEL);
244 cfg->base.cpc = t->cfg_base->cpc;
245 cfg->base.ibs = t->cfg_base->ibs;
246 cfg->base.obs = t->cfg_base->obs;
247 cfg->base.is_pages = t->cfg_base->is_pages;
248 cfg->base.audio_fmt = *t->in_fmt;
249 cfg->out_fmt = *t->cfg_ext->copier.out_fmt;
250 cfg->feature_mask = t->cfg_ext->copier.feature_mask;
251 cfg->gtw_cfg.node_id = node_id;
252 cfg->gtw_cfg.dma_buffer_size = t->cfg_ext->copier.dma_buffer_size;
253 /* config_length in DWORDs */
254 cfg->gtw_cfg.config_length = DIV_ROUND_UP(data_size, 4);
256 memcpy(&cfg->gtw_cfg.config, data, data_size);
258 mod->gtw_attrs = cfg->gtw_cfg.config.attrs;
260 ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
261 t->core_id, t->domain, cfg, cfg_size,
267 static int avs_updown_mix_create(struct avs_dev *adev, struct avs_path_module *mod)
269 struct avs_tplg_module *t = mod->template;
270 struct avs_updown_mixer_cfg cfg;
273 cfg.base.cpc = t->cfg_base->cpc;
274 cfg.base.ibs = t->cfg_base->ibs;
275 cfg.base.obs = t->cfg_base->obs;
276 cfg.base.is_pages = t->cfg_base->is_pages;
277 cfg.base.audio_fmt = *t->in_fmt;
278 cfg.out_channel_config = t->cfg_ext->updown_mix.out_channel_config;
279 cfg.coefficients_select = t->cfg_ext->updown_mix.coefficients_select;
280 for (i = 0; i < AVS_CHANNELS_MAX; i++)
281 cfg.coefficients[i] = t->cfg_ext->updown_mix.coefficients[i];
282 cfg.channel_map = t->cfg_ext->updown_mix.channel_map;
284 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
285 t->core_id, t->domain, &cfg, sizeof(cfg),
289 static int avs_src_create(struct avs_dev *adev, struct avs_path_module *mod)
291 struct avs_tplg_module *t = mod->template;
292 struct avs_src_cfg cfg;
294 cfg.base.cpc = t->cfg_base->cpc;
295 cfg.base.ibs = t->cfg_base->ibs;
296 cfg.base.obs = t->cfg_base->obs;
297 cfg.base.is_pages = t->cfg_base->is_pages;
298 cfg.base.audio_fmt = *t->in_fmt;
299 cfg.out_freq = t->cfg_ext->src.out_freq;
301 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
302 t->core_id, t->domain, &cfg, sizeof(cfg),
306 static int avs_asrc_create(struct avs_dev *adev, struct avs_path_module *mod)
308 struct avs_tplg_module *t = mod->template;
309 struct avs_asrc_cfg cfg;
311 cfg.base.cpc = t->cfg_base->cpc;
312 cfg.base.ibs = t->cfg_base->ibs;
313 cfg.base.obs = t->cfg_base->obs;
314 cfg.base.is_pages = t->cfg_base->is_pages;
315 cfg.base.audio_fmt = *t->in_fmt;
316 cfg.out_freq = t->cfg_ext->asrc.out_freq;
317 cfg.mode = t->cfg_ext->asrc.mode;
318 cfg.disable_jitter_buffer = t->cfg_ext->asrc.disable_jitter_buffer;
320 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
321 t->core_id, t->domain, &cfg, sizeof(cfg),
325 static int avs_aec_create(struct avs_dev *adev, struct avs_path_module *mod)
327 struct avs_tplg_module *t = mod->template;
328 struct avs_aec_cfg cfg;
330 cfg.base.cpc = t->cfg_base->cpc;
331 cfg.base.ibs = t->cfg_base->ibs;
332 cfg.base.obs = t->cfg_base->obs;
333 cfg.base.is_pages = t->cfg_base->is_pages;
334 cfg.base.audio_fmt = *t->in_fmt;
335 cfg.ref_fmt = *t->cfg_ext->aec.ref_fmt;
336 cfg.out_fmt = *t->cfg_ext->aec.out_fmt;
337 cfg.cpc_lp_mode = t->cfg_ext->aec.cpc_lp_mode;
339 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
340 t->core_id, t->domain, &cfg, sizeof(cfg),
344 static int avs_mux_create(struct avs_dev *adev, struct avs_path_module *mod)
346 struct avs_tplg_module *t = mod->template;
347 struct avs_mux_cfg cfg;
349 cfg.base.cpc = t->cfg_base->cpc;
350 cfg.base.ibs = t->cfg_base->ibs;
351 cfg.base.obs = t->cfg_base->obs;
352 cfg.base.is_pages = t->cfg_base->is_pages;
353 cfg.base.audio_fmt = *t->in_fmt;
354 cfg.ref_fmt = *t->cfg_ext->mux.ref_fmt;
355 cfg.out_fmt = *t->cfg_ext->mux.out_fmt;
357 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
358 t->core_id, t->domain, &cfg, sizeof(cfg),
362 static int avs_wov_create(struct avs_dev *adev, struct avs_path_module *mod)
364 struct avs_tplg_module *t = mod->template;
365 struct avs_wov_cfg cfg;
367 cfg.base.cpc = t->cfg_base->cpc;
368 cfg.base.ibs = t->cfg_base->ibs;
369 cfg.base.obs = t->cfg_base->obs;
370 cfg.base.is_pages = t->cfg_base->is_pages;
371 cfg.base.audio_fmt = *t->in_fmt;
372 cfg.cpc_lp_mode = t->cfg_ext->wov.cpc_lp_mode;
374 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
375 t->core_id, t->domain, &cfg, sizeof(cfg),
379 static int avs_micsel_create(struct avs_dev *adev, struct avs_path_module *mod)
381 struct avs_tplg_module *t = mod->template;
382 struct avs_micsel_cfg cfg;
384 cfg.base.cpc = t->cfg_base->cpc;
385 cfg.base.ibs = t->cfg_base->ibs;
386 cfg.base.obs = t->cfg_base->obs;
387 cfg.base.is_pages = t->cfg_base->is_pages;
388 cfg.base.audio_fmt = *t->in_fmt;
389 cfg.out_fmt = *t->cfg_ext->micsel.out_fmt;
391 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
392 t->core_id, t->domain, &cfg, sizeof(cfg),
396 static int avs_modbase_create(struct avs_dev *adev, struct avs_path_module *mod)
398 struct avs_tplg_module *t = mod->template;
399 struct avs_modcfg_base cfg;
401 cfg.cpc = t->cfg_base->cpc;
402 cfg.ibs = t->cfg_base->ibs;
403 cfg.obs = t->cfg_base->obs;
404 cfg.is_pages = t->cfg_base->is_pages;
405 cfg.audio_fmt = *t->in_fmt;
407 return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
408 t->core_id, t->domain, &cfg, sizeof(cfg),
412 static int avs_modext_create(struct avs_dev *adev, struct avs_path_module *mod)
414 struct avs_tplg_module *t = mod->template;
415 struct avs_tplg_modcfg_ext *tcfg = t->cfg_ext;
416 struct avs_modcfg_ext *cfg;
417 size_t cfg_size, num_pins;
420 num_pins = tcfg->generic.num_input_pins + tcfg->generic.num_output_pins;
421 cfg_size = sizeof(*cfg) + sizeof(*cfg->pin_fmts) * num_pins;
423 cfg = kzalloc(cfg_size, GFP_KERNEL);
427 cfg->base.cpc = t->cfg_base->cpc;
428 cfg->base.ibs = t->cfg_base->ibs;
429 cfg->base.obs = t->cfg_base->obs;
430 cfg->base.is_pages = t->cfg_base->is_pages;
431 cfg->base.audio_fmt = *t->in_fmt;
432 cfg->num_input_pins = tcfg->generic.num_input_pins;
433 cfg->num_output_pins = tcfg->generic.num_output_pins;
435 /* configure pin formats */
436 for (i = 0; i < num_pins; i++) {
437 struct avs_tplg_pin_format *tpin = &tcfg->generic.pin_fmts[i];
438 struct avs_pin_format *pin = &cfg->pin_fmts[i];
440 pin->pin_index = tpin->pin_index;
441 pin->iobs = tpin->iobs;
442 pin->audio_fmt = *tpin->fmt;
445 ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
446 t->core_id, t->domain, cfg, cfg_size,
452 static int avs_path_module_type_create(struct avs_dev *adev, struct avs_path_module *mod)
454 const guid_t *type = &mod->template->cfg_ext->type;
456 if (guid_equal(type, &AVS_MIXIN_MOD_UUID) ||
457 guid_equal(type, &AVS_MIXOUT_MOD_UUID) ||
458 guid_equal(type, &AVS_KPBUFF_MOD_UUID))
459 return avs_modbase_create(adev, mod);
460 if (guid_equal(type, &AVS_COPIER_MOD_UUID))
461 return avs_copier_create(adev, mod);
462 if (guid_equal(type, &AVS_MICSEL_MOD_UUID))
463 return avs_micsel_create(adev, mod);
464 if (guid_equal(type, &AVS_MUX_MOD_UUID))
465 return avs_mux_create(adev, mod);
466 if (guid_equal(type, &AVS_UPDWMIX_MOD_UUID))
467 return avs_updown_mix_create(adev, mod);
468 if (guid_equal(type, &AVS_SRCINTC_MOD_UUID))
469 return avs_src_create(adev, mod);
470 if (guid_equal(type, &AVS_AEC_MOD_UUID))
471 return avs_aec_create(adev, mod);
472 if (guid_equal(type, &AVS_ASRC_MOD_UUID))
473 return avs_asrc_create(adev, mod);
474 if (guid_equal(type, &AVS_INTELWOV_MOD_UUID))
475 return avs_wov_create(adev, mod);
477 if (guid_equal(type, &AVS_PROBE_MOD_UUID)) {
478 dev_err(adev->dev, "Probe module can't be instantiated by topology");
482 return avs_modext_create(adev, mod);
485 static void avs_path_module_free(struct avs_dev *adev, struct avs_path_module *mod)
490 static struct avs_path_module *
491 avs_path_module_create(struct avs_dev *adev,
492 struct avs_path_pipeline *owner,
493 struct avs_tplg_module *template)
495 struct avs_path_module *mod;
498 module_id = avs_get_module_id(adev, &template->cfg_ext->type);
500 return ERR_PTR(module_id);
502 mod = kzalloc(sizeof(*mod), GFP_KERNEL);
504 return ERR_PTR(-ENOMEM);
506 mod->template = template;
507 mod->module_id = module_id;
509 INIT_LIST_HEAD(&mod->node);
511 ret = avs_path_module_type_create(adev, mod);
513 dev_err(adev->dev, "module-type create failed: %d\n", ret);
521 static int avs_path_binding_arm(struct avs_dev *adev, struct avs_path_binding *binding)
523 struct avs_path_module *this_mod, *target_mod;
524 struct avs_path_pipeline *target_ppl;
525 struct avs_path *target_path;
526 struct avs_tplg_binding *t;
528 t = binding->template;
529 this_mod = avs_path_find_module(binding->owner,
532 dev_err(adev->dev, "path mod %d not found\n", t->mod_id);
536 /* update with target_tplg_name too */
537 target_path = avs_path_find_path(adev, t->target_tplg_name,
538 t->target_path_tmpl_id);
540 dev_err(adev->dev, "target path %s:%d not found\n",
541 t->target_tplg_name, t->target_path_tmpl_id);
545 target_ppl = avs_path_find_pipeline(target_path,
548 dev_err(adev->dev, "target ppl %d not found\n", t->target_ppl_id);
552 target_mod = avs_path_find_module(target_ppl, t->target_mod_id);
554 dev_err(adev->dev, "target mod %d not found\n", t->target_mod_id);
559 binding->sink = this_mod;
560 binding->sink_pin = t->mod_pin;
561 binding->source = target_mod;
562 binding->source_pin = t->target_mod_pin;
564 binding->sink = target_mod;
565 binding->sink_pin = t->target_mod_pin;
566 binding->source = this_mod;
567 binding->source_pin = t->mod_pin;
573 static void avs_path_binding_free(struct avs_dev *adev, struct avs_path_binding *binding)
578 static struct avs_path_binding *avs_path_binding_create(struct avs_dev *adev,
579 struct avs_path_pipeline *owner,
580 struct avs_tplg_binding *t)
582 struct avs_path_binding *binding;
584 binding = kzalloc(sizeof(*binding), GFP_KERNEL);
586 return ERR_PTR(-ENOMEM);
588 binding->template = t;
589 binding->owner = owner;
590 INIT_LIST_HEAD(&binding->node);
595 static int avs_path_pipeline_arm(struct avs_dev *adev,
596 struct avs_path_pipeline *ppl)
598 struct avs_path_module *mod;
600 list_for_each_entry(mod, &ppl->mod_list, node) {
601 struct avs_path_module *source, *sink;
605 * Only one module (so it's implicitly last) or it is the last
606 * one, either way we don't have next module to bind it to.
608 if (mod == list_last_entry(&ppl->mod_list,
609 struct avs_path_module, node))
612 /* bind current module to next module on list */
614 sink = list_next_entry(mod, node);
615 if (!source || !sink)
618 ret = avs_ipc_bind(adev, source->module_id, source->instance_id,
619 sink->module_id, sink->instance_id, 0, 0);
621 return AVS_IPC_RET(ret);
627 static void avs_path_pipeline_free(struct avs_dev *adev,
628 struct avs_path_pipeline *ppl)
630 struct avs_path_binding *binding, *bsave;
631 struct avs_path_module *mod, *save;
633 list_for_each_entry_safe(binding, bsave, &ppl->binding_list, node) {
634 list_del(&binding->node);
635 avs_path_binding_free(adev, binding);
638 avs_dsp_delete_pipeline(adev, ppl->instance_id);
640 /* Unload resources occupied by owned modules */
641 list_for_each_entry_safe(mod, save, &ppl->mod_list, node) {
642 avs_dsp_delete_module(adev, mod->module_id, mod->instance_id,
643 mod->owner->instance_id,
644 mod->template->core_id);
645 avs_path_module_free(adev, mod);
648 list_del(&ppl->node);
652 static struct avs_path_pipeline *
653 avs_path_pipeline_create(struct avs_dev *adev, struct avs_path *owner,
654 struct avs_tplg_pipeline *template)
656 struct avs_path_pipeline *ppl;
657 struct avs_tplg_pplcfg *cfg = template->cfg;
658 struct avs_tplg_module *tmod;
661 ppl = kzalloc(sizeof(*ppl), GFP_KERNEL);
663 return ERR_PTR(-ENOMEM);
665 ppl->template = template;
667 INIT_LIST_HEAD(&ppl->binding_list);
668 INIT_LIST_HEAD(&ppl->mod_list);
669 INIT_LIST_HEAD(&ppl->node);
671 ret = avs_dsp_create_pipeline(adev, cfg->req_size, cfg->priority,
672 cfg->lp, cfg->attributes,
675 dev_err(adev->dev, "error creating pipeline %d\n", ret);
680 list_for_each_entry(tmod, &template->mod_list, node) {
681 struct avs_path_module *mod;
683 mod = avs_path_module_create(adev, ppl, tmod);
686 dev_err(adev->dev, "error creating module %d\n", ret);
690 list_add_tail(&mod->node, &ppl->mod_list);
693 for (i = 0; i < template->num_bindings; i++) {
694 struct avs_path_binding *binding;
696 binding = avs_path_binding_create(adev, ppl, template->bindings[i]);
697 if (IS_ERR(binding)) {
698 ret = PTR_ERR(binding);
699 dev_err(adev->dev, "error creating binding %d\n", ret);
703 list_add_tail(&binding->node, &ppl->binding_list);
709 avs_path_pipeline_free(adev, ppl);
713 static int avs_path_init(struct avs_dev *adev, struct avs_path *path,
714 struct avs_tplg_path *template, u32 dma_id)
716 struct avs_tplg_pipeline *tppl;
719 path->template = template;
720 path->dma_id = dma_id;
721 INIT_LIST_HEAD(&path->ppl_list);
722 INIT_LIST_HEAD(&path->node);
724 /* create all the pipelines */
725 list_for_each_entry(tppl, &template->ppl_list, node) {
726 struct avs_path_pipeline *ppl;
728 ppl = avs_path_pipeline_create(adev, path, tppl);
732 list_add_tail(&ppl->node, &path->ppl_list);
735 spin_lock(&adev->path_list_lock);
736 list_add_tail(&path->node, &adev->path_list);
737 spin_unlock(&adev->path_list_lock);
742 static int avs_path_arm(struct avs_dev *adev, struct avs_path *path)
744 struct avs_path_pipeline *ppl;
745 struct avs_path_binding *binding;
748 list_for_each_entry(ppl, &path->ppl_list, node) {
750 * Arm all ppl bindings before binding internal modules
751 * as it costs no IPCs which isn't true for the latter.
753 list_for_each_entry(binding, &ppl->binding_list, node) {
754 ret = avs_path_binding_arm(adev, binding);
759 ret = avs_path_pipeline_arm(adev, ppl);
767 static void avs_path_free_unlocked(struct avs_path *path)
769 struct avs_path_pipeline *ppl, *save;
771 spin_lock(&path->owner->path_list_lock);
772 list_del(&path->node);
773 spin_unlock(&path->owner->path_list_lock);
775 list_for_each_entry_safe(ppl, save, &path->ppl_list, node)
776 avs_path_pipeline_free(path->owner, ppl);
781 static struct avs_path *avs_path_create_unlocked(struct avs_dev *adev, u32 dma_id,
782 struct avs_tplg_path *template)
784 struct avs_path *path;
787 path = kzalloc(sizeof(*path), GFP_KERNEL);
789 return ERR_PTR(-ENOMEM);
791 ret = avs_path_init(adev, path, template, dma_id);
795 ret = avs_path_arm(adev, path);
799 path->state = AVS_PPL_STATE_INVALID;
802 avs_path_free_unlocked(path);
806 void avs_path_free(struct avs_path *path)
808 struct avs_dev *adev = path->owner;
810 mutex_lock(&adev->path_mutex);
811 avs_path_free_unlocked(path);
812 mutex_unlock(&adev->path_mutex);
815 struct avs_path *avs_path_create(struct avs_dev *adev, u32 dma_id,
816 struct avs_tplg_path_template *template,
817 struct snd_pcm_hw_params *fe_params,
818 struct snd_pcm_hw_params *be_params)
820 struct avs_tplg_path *variant;
821 struct avs_path *path;
823 variant = avs_path_find_variant(adev, template, fe_params, be_params);
825 dev_err(adev->dev, "no matching variant found\n");
826 return ERR_PTR(-ENOENT);
829 /* Serialize path and its components creation. */
830 mutex_lock(&adev->path_mutex);
831 /* Satisfy needs of avs_path_find_tplg(). */
832 mutex_lock(&adev->comp_list_mutex);
834 path = avs_path_create_unlocked(adev, dma_id, variant);
836 mutex_unlock(&adev->comp_list_mutex);
837 mutex_unlock(&adev->path_mutex);
842 static int avs_path_bind_prepare(struct avs_dev *adev,
843 struct avs_path_binding *binding)
845 const struct avs_audio_format *src_fmt, *sink_fmt;
846 struct avs_tplg_module *tsource = binding->source->template;
847 struct avs_path_module *source = binding->source;
851 * only copier modules about to be bound
852 * to output pin other than 0 need preparation
854 if (!binding->source_pin)
856 if (!guid_equal(&tsource->cfg_ext->type, &AVS_COPIER_MOD_UUID))
859 src_fmt = tsource->in_fmt;
860 sink_fmt = binding->sink->template->in_fmt;
862 ret = avs_ipc_copier_set_sink_format(adev, source->module_id,
863 source->instance_id, binding->source_pin,
866 dev_err(adev->dev, "config copier failed: %d\n", ret);
867 return AVS_IPC_RET(ret);
873 int avs_path_bind(struct avs_path *path)
875 struct avs_path_pipeline *ppl;
876 struct avs_dev *adev = path->owner;
879 list_for_each_entry(ppl, &path->ppl_list, node) {
880 struct avs_path_binding *binding;
882 list_for_each_entry(binding, &ppl->binding_list, node) {
883 struct avs_path_module *source, *sink;
885 source = binding->source;
886 sink = binding->sink;
888 ret = avs_path_bind_prepare(adev, binding);
892 ret = avs_ipc_bind(adev, source->module_id,
893 source->instance_id, sink->module_id,
894 sink->instance_id, binding->sink_pin,
895 binding->source_pin);
897 dev_err(adev->dev, "bind path failed: %d\n", ret);
898 return AVS_IPC_RET(ret);
906 int avs_path_unbind(struct avs_path *path)
908 struct avs_path_pipeline *ppl;
909 struct avs_dev *adev = path->owner;
912 list_for_each_entry(ppl, &path->ppl_list, node) {
913 struct avs_path_binding *binding;
915 list_for_each_entry(binding, &ppl->binding_list, node) {
916 struct avs_path_module *source, *sink;
918 source = binding->source;
919 sink = binding->sink;
921 ret = avs_ipc_unbind(adev, source->module_id,
922 source->instance_id, sink->module_id,
923 sink->instance_id, binding->sink_pin,
924 binding->source_pin);
926 dev_err(adev->dev, "unbind path failed: %d\n", ret);
927 return AVS_IPC_RET(ret);
935 int avs_path_reset(struct avs_path *path)
937 struct avs_path_pipeline *ppl;
938 struct avs_dev *adev = path->owner;
941 if (path->state == AVS_PPL_STATE_RESET)
944 list_for_each_entry(ppl, &path->ppl_list, node) {
945 ret = avs_ipc_set_pipeline_state(adev, ppl->instance_id,
946 AVS_PPL_STATE_RESET);
948 dev_err(adev->dev, "reset path failed: %d\n", ret);
949 path->state = AVS_PPL_STATE_INVALID;
950 return AVS_IPC_RET(ret);
954 path->state = AVS_PPL_STATE_RESET;
958 int avs_path_pause(struct avs_path *path)
960 struct avs_path_pipeline *ppl;
961 struct avs_dev *adev = path->owner;
964 if (path->state == AVS_PPL_STATE_PAUSED)
967 list_for_each_entry_reverse(ppl, &path->ppl_list, node) {
968 ret = avs_ipc_set_pipeline_state(adev, ppl->instance_id,
969 AVS_PPL_STATE_PAUSED);
971 dev_err(adev->dev, "pause path failed: %d\n", ret);
972 path->state = AVS_PPL_STATE_INVALID;
973 return AVS_IPC_RET(ret);
977 path->state = AVS_PPL_STATE_PAUSED;
981 int avs_path_run(struct avs_path *path, int trigger)
983 struct avs_path_pipeline *ppl;
984 struct avs_dev *adev = path->owner;
987 if (path->state == AVS_PPL_STATE_RUNNING && trigger == AVS_TPLG_TRIGGER_AUTO)
990 list_for_each_entry(ppl, &path->ppl_list, node) {
991 if (ppl->template->cfg->trigger != trigger)
994 ret = avs_ipc_set_pipeline_state(adev, ppl->instance_id,
995 AVS_PPL_STATE_RUNNING);
997 dev_err(adev->dev, "run path failed: %d\n", ret);
998 path->state = AVS_PPL_STATE_INVALID;
999 return AVS_IPC_RET(ret);
1003 path->state = AVS_PPL_STATE_RUNNING;