1// SPDX-License-Identifier: GPL-2.0-only
2//
3// Copyright(c) 2021 Intel Corporation. All rights reserved.
4//
5// Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6//          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7//
8
9#include <sound/intel-nhlt.h>
10#include <sound/pcm_params.h>
11#include <sound/soc.h>
12#include "avs.h"
13#include "control.h"
14#include "path.h"
15#include "topology.h"
16
17/* Must be called with adev->comp_list_mutex held. */
18static struct avs_tplg *
19avs_path_find_tplg(struct avs_dev *adev, const char *name)
20{
21	struct avs_soc_component *acomp;
22
23	list_for_each_entry(acomp, &adev->comp_list, node)
24		if (!strcmp(acomp->tplg->name, name))
25			return acomp->tplg;
26	return NULL;
27}
28
29static struct avs_path_module *
30avs_path_find_module(struct avs_path_pipeline *ppl, u32 template_id)
31{
32	struct avs_path_module *mod;
33
34	list_for_each_entry(mod, &ppl->mod_list, node)
35		if (mod->template->id == template_id)
36			return mod;
37	return NULL;
38}
39
40static struct avs_path_pipeline *
41avs_path_find_pipeline(struct avs_path *path, u32 template_id)
42{
43	struct avs_path_pipeline *ppl;
44
45	list_for_each_entry(ppl, &path->ppl_list, node)
46		if (ppl->template->id == template_id)
47			return ppl;
48	return NULL;
49}
50
51static struct avs_path *
52avs_path_find_path(struct avs_dev *adev, const char *name, u32 template_id)
53{
54	struct avs_tplg_path_template *pos, *template = NULL;
55	struct avs_tplg *tplg;
56	struct avs_path *path;
57
58	tplg = avs_path_find_tplg(adev, name);
59	if (!tplg)
60		return NULL;
61
62	list_for_each_entry(pos, &tplg->path_tmpl_list, node) {
63		if (pos->id == template_id) {
64			template = pos;
65			break;
66		}
67	}
68	if (!template)
69		return NULL;
70
71	spin_lock(&adev->path_list_lock);
72	/* Only one variant of given path template may be instantiated at a time. */
73	list_for_each_entry(path, &adev->path_list, node) {
74		if (path->template->owner == template) {
75			spin_unlock(&adev->path_list_lock);
76			return path;
77		}
78	}
79
80	spin_unlock(&adev->path_list_lock);
81	return NULL;
82}
83
84static bool avs_test_hw_params(struct snd_pcm_hw_params *params,
85			       struct avs_audio_format *fmt)
86{
87	return (params_rate(params) == fmt->sampling_freq &&
88		params_channels(params) == fmt->num_channels &&
89		params_physical_width(params) == fmt->bit_depth &&
90		snd_pcm_hw_params_bits(params) == fmt->valid_bit_depth);
91}
92
93static struct avs_tplg_path *
94avs_path_find_variant(struct avs_dev *adev,
95		      struct avs_tplg_path_template *template,
96		      struct snd_pcm_hw_params *fe_params,
97		      struct snd_pcm_hw_params *be_params)
98{
99	struct avs_tplg_path *variant;
100
101	list_for_each_entry(variant, &template->path_list, node) {
102		dev_dbg(adev->dev, "check FE rate %d chn %d vbd %d bd %d\n",
103			variant->fe_fmt->sampling_freq, variant->fe_fmt->num_channels,
104			variant->fe_fmt->valid_bit_depth, variant->fe_fmt->bit_depth);
105		dev_dbg(adev->dev, "check BE rate %d chn %d vbd %d bd %d\n",
106			variant->be_fmt->sampling_freq, variant->be_fmt->num_channels,
107			variant->be_fmt->valid_bit_depth, variant->be_fmt->bit_depth);
108
109		if (variant->fe_fmt && avs_test_hw_params(fe_params, variant->fe_fmt) &&
110		    variant->be_fmt && avs_test_hw_params(be_params, variant->be_fmt))
111			return variant;
112	}
113
114	return NULL;
115}
116
117__maybe_unused
118static bool avs_dma_type_is_host(u32 dma_type)
119{
120	return dma_type == AVS_DMA_HDA_HOST_OUTPUT ||
121	       dma_type == AVS_DMA_HDA_HOST_INPUT;
122}
123
124__maybe_unused
125static bool avs_dma_type_is_link(u32 dma_type)
126{
127	return !avs_dma_type_is_host(dma_type);
128}
129
130__maybe_unused
131static bool avs_dma_type_is_output(u32 dma_type)
132{
133	return dma_type == AVS_DMA_HDA_HOST_OUTPUT ||
134	       dma_type == AVS_DMA_HDA_LINK_OUTPUT ||
135	       dma_type == AVS_DMA_I2S_LINK_OUTPUT;
136}
137
138__maybe_unused
139static bool avs_dma_type_is_input(u32 dma_type)
140{
141	return !avs_dma_type_is_output(dma_type);
142}
143
144static int avs_copier_create(struct avs_dev *adev, struct avs_path_module *mod)
145{
146	struct nhlt_acpi_table *nhlt = adev->nhlt;
147	struct avs_tplg_module *t = mod->template;
148	struct avs_copier_cfg *cfg;
149	struct nhlt_specific_cfg *ep_blob;
150	union avs_connector_node_id node_id = {0};
151	size_t cfg_size, data_size = 0;
152	void *data = NULL;
153	u32 dma_type;
154	int ret;
155
156	dma_type = t->cfg_ext->copier.dma_type;
157	node_id.dma_type = dma_type;
158
159	switch (dma_type) {
160		struct avs_audio_format *fmt;
161		int direction;
162
163	case AVS_DMA_I2S_LINK_OUTPUT:
164	case AVS_DMA_I2S_LINK_INPUT:
165		if (avs_dma_type_is_input(dma_type))
166			direction = SNDRV_PCM_STREAM_CAPTURE;
167		else
168			direction = SNDRV_PCM_STREAM_PLAYBACK;
169
170		if (t->cfg_ext->copier.blob_fmt)
171			fmt = t->cfg_ext->copier.blob_fmt;
172		else if (direction == SNDRV_PCM_STREAM_CAPTURE)
173			fmt = t->in_fmt;
174		else
175			fmt = t->cfg_ext->copier.out_fmt;
176
177		ep_blob = intel_nhlt_get_endpoint_blob(adev->dev,
178			nhlt, t->cfg_ext->copier.vindex.i2s.instance,
179			NHLT_LINK_SSP, fmt->valid_bit_depth, fmt->bit_depth,
180			fmt->num_channels, fmt->sampling_freq, direction,
181			NHLT_DEVICE_I2S);
182		if (!ep_blob) {
183			dev_err(adev->dev, "no I2S ep_blob found\n");
184			return -ENOENT;
185		}
186
187		data = ep_blob->caps;
188		data_size = ep_blob->size;
189		/* I2S gateway's vindex is statically assigned in topology */
190		node_id.vindex = t->cfg_ext->copier.vindex.val;
191
192		break;
193
194	case AVS_DMA_DMIC_LINK_INPUT:
195		direction = SNDRV_PCM_STREAM_CAPTURE;
196
197		if (t->cfg_ext->copier.blob_fmt)
198			fmt = t->cfg_ext->copier.blob_fmt;
199		else
200			fmt = t->in_fmt;
201
202		ep_blob = intel_nhlt_get_endpoint_blob(adev->dev, nhlt, 0,
203				NHLT_LINK_DMIC, fmt->valid_bit_depth,
204				fmt->bit_depth, fmt->num_channels,
205				fmt->sampling_freq, direction, NHLT_DEVICE_DMIC);
206		if (!ep_blob) {
207			dev_err(adev->dev, "no DMIC ep_blob found\n");
208			return -ENOENT;
209		}
210
211		data = ep_blob->caps;
212		data_size = ep_blob->size;
213		/* DMIC gateway's vindex is statically assigned in topology */
214		node_id.vindex = t->cfg_ext->copier.vindex.val;
215
216		break;
217
218	case AVS_DMA_HDA_HOST_OUTPUT:
219	case AVS_DMA_HDA_HOST_INPUT:
220		/* HOST gateway's vindex is dynamically assigned with DMA id */
221		node_id.vindex = mod->owner->owner->dma_id;
222		break;
223
224	case AVS_DMA_HDA_LINK_OUTPUT:
225	case AVS_DMA_HDA_LINK_INPUT:
226		node_id.vindex = t->cfg_ext->copier.vindex.val |
227				 mod->owner->owner->dma_id;
228		break;
229
230	case INVALID_OBJECT_ID:
231	default:
232		node_id = INVALID_NODE_ID;
233		break;
234	}
235
236	cfg_size = sizeof(*cfg) + data_size;
237	/* Every config-BLOB contains gateway attributes. */
238	if (data_size)
239		cfg_size -= sizeof(cfg->gtw_cfg.config.attrs);
240	if (cfg_size > AVS_MAILBOX_SIZE)
241		return -EINVAL;
242
243	cfg = adev->modcfg_buf;
244	memset(cfg, 0, cfg_size);
245	cfg->base.cpc = t->cfg_base->cpc;
246	cfg->base.ibs = t->cfg_base->ibs;
247	cfg->base.obs = t->cfg_base->obs;
248	cfg->base.is_pages = t->cfg_base->is_pages;
249	cfg->base.audio_fmt = *t->in_fmt;
250	cfg->out_fmt = *t->cfg_ext->copier.out_fmt;
251	cfg->feature_mask = t->cfg_ext->copier.feature_mask;
252	cfg->gtw_cfg.node_id = node_id;
253	cfg->gtw_cfg.dma_buffer_size = t->cfg_ext->copier.dma_buffer_size;
254	/* config_length in DWORDs */
255	cfg->gtw_cfg.config_length = DIV_ROUND_UP(data_size, 4);
256	if (data)
257		memcpy(&cfg->gtw_cfg.config, data, data_size);
258
259	mod->gtw_attrs = cfg->gtw_cfg.config.attrs;
260
261	ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
262				  t->core_id, t->domain, cfg, cfg_size,
263				  &mod->instance_id);
264	return ret;
265}
266
267static struct avs_control_data *avs_get_module_control(struct avs_path_module *mod)
268{
269	struct avs_tplg_module *t = mod->template;
270	struct avs_tplg_path_template *path_tmpl;
271	struct snd_soc_dapm_widget *w;
272	int i;
273
274	path_tmpl = t->owner->owner->owner;
275	w = path_tmpl->w;
276
277	for (i = 0; i < w->num_kcontrols; i++) {
278		struct avs_control_data *ctl_data;
279		struct soc_mixer_control *mc;
280
281		mc = (struct soc_mixer_control *)w->kcontrols[i]->private_value;
282		ctl_data = (struct avs_control_data *)mc->dobj.private;
283		if (ctl_data->id == t->ctl_id)
284			return ctl_data;
285	}
286
287	return NULL;
288}
289
290static int avs_peakvol_create(struct avs_dev *adev, struct avs_path_module *mod)
291{
292	struct avs_tplg_module *t = mod->template;
293	struct avs_control_data *ctl_data;
294	struct avs_peakvol_cfg *cfg;
295	int volume = S32_MAX;
296	size_t cfg_size;
297	int ret;
298
299	ctl_data = avs_get_module_control(mod);
300	if (ctl_data)
301		volume = ctl_data->volume;
302
303	/* As 2+ channels controls are unsupported, have a single block for all channels. */
304	cfg_size = struct_size(cfg, vols, 1);
305	if (cfg_size > AVS_MAILBOX_SIZE)
306		return -EINVAL;
307
308	cfg = adev->modcfg_buf;
309	memset(cfg, 0, cfg_size);
310	cfg->base.cpc = t->cfg_base->cpc;
311	cfg->base.ibs = t->cfg_base->ibs;
312	cfg->base.obs = t->cfg_base->obs;
313	cfg->base.is_pages = t->cfg_base->is_pages;
314	cfg->base.audio_fmt = *t->in_fmt;
315	cfg->vols[0].target_volume = volume;
316	cfg->vols[0].channel_id = AVS_ALL_CHANNELS_MASK;
317	cfg->vols[0].curve_type = AVS_AUDIO_CURVE_NONE;
318	cfg->vols[0].curve_duration = 0;
319
320	ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id, t->core_id,
321				  t->domain, cfg, cfg_size, &mod->instance_id);
322
323	return ret;
324}
325
326static int avs_updown_mix_create(struct avs_dev *adev, struct avs_path_module *mod)
327{
328	struct avs_tplg_module *t = mod->template;
329	struct avs_updown_mixer_cfg cfg;
330	int i;
331
332	cfg.base.cpc = t->cfg_base->cpc;
333	cfg.base.ibs = t->cfg_base->ibs;
334	cfg.base.obs = t->cfg_base->obs;
335	cfg.base.is_pages = t->cfg_base->is_pages;
336	cfg.base.audio_fmt = *t->in_fmt;
337	cfg.out_channel_config = t->cfg_ext->updown_mix.out_channel_config;
338	cfg.coefficients_select = t->cfg_ext->updown_mix.coefficients_select;
339	for (i = 0; i < AVS_CHANNELS_MAX; i++)
340		cfg.coefficients[i] = t->cfg_ext->updown_mix.coefficients[i];
341	cfg.channel_map = t->cfg_ext->updown_mix.channel_map;
342
343	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
344				   t->core_id, t->domain, &cfg, sizeof(cfg),
345				   &mod->instance_id);
346}
347
348static int avs_src_create(struct avs_dev *adev, struct avs_path_module *mod)
349{
350	struct avs_tplg_module *t = mod->template;
351	struct avs_src_cfg cfg;
352
353	cfg.base.cpc = t->cfg_base->cpc;
354	cfg.base.ibs = t->cfg_base->ibs;
355	cfg.base.obs = t->cfg_base->obs;
356	cfg.base.is_pages = t->cfg_base->is_pages;
357	cfg.base.audio_fmt = *t->in_fmt;
358	cfg.out_freq = t->cfg_ext->src.out_freq;
359
360	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
361				   t->core_id, t->domain, &cfg, sizeof(cfg),
362				   &mod->instance_id);
363}
364
365static int avs_asrc_create(struct avs_dev *adev, struct avs_path_module *mod)
366{
367	struct avs_tplg_module *t = mod->template;
368	struct avs_asrc_cfg cfg;
369
370	cfg.base.cpc = t->cfg_base->cpc;
371	cfg.base.ibs = t->cfg_base->ibs;
372	cfg.base.obs = t->cfg_base->obs;
373	cfg.base.is_pages = t->cfg_base->is_pages;
374	cfg.base.audio_fmt = *t->in_fmt;
375	cfg.out_freq = t->cfg_ext->asrc.out_freq;
376	cfg.mode = t->cfg_ext->asrc.mode;
377	cfg.disable_jitter_buffer = t->cfg_ext->asrc.disable_jitter_buffer;
378
379	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
380				   t->core_id, t->domain, &cfg, sizeof(cfg),
381				   &mod->instance_id);
382}
383
384static int avs_aec_create(struct avs_dev *adev, struct avs_path_module *mod)
385{
386	struct avs_tplg_module *t = mod->template;
387	struct avs_aec_cfg cfg;
388
389	cfg.base.cpc = t->cfg_base->cpc;
390	cfg.base.ibs = t->cfg_base->ibs;
391	cfg.base.obs = t->cfg_base->obs;
392	cfg.base.is_pages = t->cfg_base->is_pages;
393	cfg.base.audio_fmt = *t->in_fmt;
394	cfg.ref_fmt = *t->cfg_ext->aec.ref_fmt;
395	cfg.out_fmt = *t->cfg_ext->aec.out_fmt;
396	cfg.cpc_lp_mode = t->cfg_ext->aec.cpc_lp_mode;
397
398	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
399				   t->core_id, t->domain, &cfg, sizeof(cfg),
400				   &mod->instance_id);
401}
402
403static int avs_mux_create(struct avs_dev *adev, struct avs_path_module *mod)
404{
405	struct avs_tplg_module *t = mod->template;
406	struct avs_mux_cfg cfg;
407
408	cfg.base.cpc = t->cfg_base->cpc;
409	cfg.base.ibs = t->cfg_base->ibs;
410	cfg.base.obs = t->cfg_base->obs;
411	cfg.base.is_pages = t->cfg_base->is_pages;
412	cfg.base.audio_fmt = *t->in_fmt;
413	cfg.ref_fmt = *t->cfg_ext->mux.ref_fmt;
414	cfg.out_fmt = *t->cfg_ext->mux.out_fmt;
415
416	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
417				   t->core_id, t->domain, &cfg, sizeof(cfg),
418				   &mod->instance_id);
419}
420
421static int avs_wov_create(struct avs_dev *adev, struct avs_path_module *mod)
422{
423	struct avs_tplg_module *t = mod->template;
424	struct avs_wov_cfg cfg;
425
426	cfg.base.cpc = t->cfg_base->cpc;
427	cfg.base.ibs = t->cfg_base->ibs;
428	cfg.base.obs = t->cfg_base->obs;
429	cfg.base.is_pages = t->cfg_base->is_pages;
430	cfg.base.audio_fmt = *t->in_fmt;
431	cfg.cpc_lp_mode = t->cfg_ext->wov.cpc_lp_mode;
432
433	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
434				   t->core_id, t->domain, &cfg, sizeof(cfg),
435				   &mod->instance_id);
436}
437
438static int avs_micsel_create(struct avs_dev *adev, struct avs_path_module *mod)
439{
440	struct avs_tplg_module *t = mod->template;
441	struct avs_micsel_cfg cfg;
442
443	cfg.base.cpc = t->cfg_base->cpc;
444	cfg.base.ibs = t->cfg_base->ibs;
445	cfg.base.obs = t->cfg_base->obs;
446	cfg.base.is_pages = t->cfg_base->is_pages;
447	cfg.base.audio_fmt = *t->in_fmt;
448	cfg.out_fmt = *t->cfg_ext->micsel.out_fmt;
449
450	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
451				   t->core_id, t->domain, &cfg, sizeof(cfg),
452				   &mod->instance_id);
453}
454
455static int avs_modbase_create(struct avs_dev *adev, struct avs_path_module *mod)
456{
457	struct avs_tplg_module *t = mod->template;
458	struct avs_modcfg_base cfg;
459
460	cfg.cpc = t->cfg_base->cpc;
461	cfg.ibs = t->cfg_base->ibs;
462	cfg.obs = t->cfg_base->obs;
463	cfg.is_pages = t->cfg_base->is_pages;
464	cfg.audio_fmt = *t->in_fmt;
465
466	return avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
467				   t->core_id, t->domain, &cfg, sizeof(cfg),
468				   &mod->instance_id);
469}
470
471static int avs_modext_create(struct avs_dev *adev, struct avs_path_module *mod)
472{
473	struct avs_tplg_module *t = mod->template;
474	struct avs_tplg_modcfg_ext *tcfg = t->cfg_ext;
475	struct avs_modcfg_ext *cfg;
476	size_t cfg_size, num_pins;
477	int ret, i;
478
479	num_pins = tcfg->generic.num_input_pins + tcfg->generic.num_output_pins;
480	cfg_size = struct_size(cfg, pin_fmts, num_pins);
481
482	if (cfg_size > AVS_MAILBOX_SIZE)
483		return -EINVAL;
484
485	cfg = adev->modcfg_buf;
486	memset(cfg, 0, cfg_size);
487	cfg->base.cpc = t->cfg_base->cpc;
488	cfg->base.ibs = t->cfg_base->ibs;
489	cfg->base.obs = t->cfg_base->obs;
490	cfg->base.is_pages = t->cfg_base->is_pages;
491	cfg->base.audio_fmt = *t->in_fmt;
492	cfg->num_input_pins = tcfg->generic.num_input_pins;
493	cfg->num_output_pins = tcfg->generic.num_output_pins;
494
495	/* configure pin formats */
496	for (i = 0; i < num_pins; i++) {
497		struct avs_tplg_pin_format *tpin = &tcfg->generic.pin_fmts[i];
498		struct avs_pin_format *pin = &cfg->pin_fmts[i];
499
500		pin->pin_index = tpin->pin_index;
501		pin->iobs = tpin->iobs;
502		pin->audio_fmt = *tpin->fmt;
503	}
504
505	ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id,
506				  t->core_id, t->domain, cfg, cfg_size,
507				  &mod->instance_id);
508	return ret;
509}
510
511static int avs_probe_create(struct avs_dev *adev, struct avs_path_module *mod)
512{
513	dev_err(adev->dev, "Probe module can't be instantiated by topology");
514	return -EINVAL;
515}
516
517struct avs_module_create {
518	guid_t *guid;
519	int (*create)(struct avs_dev *adev, struct avs_path_module *mod);
520};
521
522static struct avs_module_create avs_module_create[] = {
523	{ &AVS_MIXIN_MOD_UUID, avs_modbase_create },
524	{ &AVS_MIXOUT_MOD_UUID, avs_modbase_create },
525	{ &AVS_KPBUFF_MOD_UUID, avs_modbase_create },
526	{ &AVS_COPIER_MOD_UUID, avs_copier_create },
527	{ &AVS_PEAKVOL_MOD_UUID, avs_peakvol_create },
528	{ &AVS_GAIN_MOD_UUID, avs_peakvol_create },
529	{ &AVS_MICSEL_MOD_UUID, avs_micsel_create },
530	{ &AVS_MUX_MOD_UUID, avs_mux_create },
531	{ &AVS_UPDWMIX_MOD_UUID, avs_updown_mix_create },
532	{ &AVS_SRCINTC_MOD_UUID, avs_src_create },
533	{ &AVS_AEC_MOD_UUID, avs_aec_create },
534	{ &AVS_ASRC_MOD_UUID, avs_asrc_create },
535	{ &AVS_INTELWOV_MOD_UUID, avs_wov_create },
536	{ &AVS_PROBE_MOD_UUID, avs_probe_create },
537};
538
539static int avs_path_module_type_create(struct avs_dev *adev, struct avs_path_module *mod)
540{
541	const guid_t *type = &mod->template->cfg_ext->type;
542
543	for (int i = 0; i < ARRAY_SIZE(avs_module_create); i++)
544		if (guid_equal(type, avs_module_create[i].guid))
545			return avs_module_create[i].create(adev, mod);
546
547	return avs_modext_create(adev, mod);
548}
549
550static int avs_path_module_send_init_configs(struct avs_dev *adev, struct avs_path_module *mod)
551{
552	struct avs_soc_component *acomp;
553
554	acomp = to_avs_soc_component(mod->template->owner->owner->owner->owner->comp);
555
556	u32 num_ids = mod->template->num_config_ids;
557	u32 *ids = mod->template->config_ids;
558
559	for (int i = 0; i < num_ids; i++) {
560		struct avs_tplg_init_config *config = &acomp->tplg->init_configs[ids[i]];
561		size_t len = config->length;
562		void *data = config->data;
563		u32 param = config->param;
564		int ret;
565
566		ret = avs_ipc_set_large_config(adev, mod->module_id, mod->instance_id,
567					       param, data, len);
568		if (ret) {
569			dev_err(adev->dev, "send initial module config failed: %d\n", ret);
570			return AVS_IPC_RET(ret);
571		}
572	}
573
574	return 0;
575}
576
577static void avs_path_module_free(struct avs_dev *adev, struct avs_path_module *mod)
578{
579	kfree(mod);
580}
581
582static struct avs_path_module *
583avs_path_module_create(struct avs_dev *adev,
584		       struct avs_path_pipeline *owner,
585		       struct avs_tplg_module *template)
586{
587	struct avs_path_module *mod;
588	int module_id, ret;
589
590	module_id = avs_get_module_id(adev, &template->cfg_ext->type);
591	if (module_id < 0)
592		return ERR_PTR(module_id);
593
594	mod = kzalloc(sizeof(*mod), GFP_KERNEL);
595	if (!mod)
596		return ERR_PTR(-ENOMEM);
597
598	mod->template = template;
599	mod->module_id = module_id;
600	mod->owner = owner;
601	INIT_LIST_HEAD(&mod->node);
602
603	ret = avs_path_module_type_create(adev, mod);
604	if (ret) {
605		dev_err(adev->dev, "module-type create failed: %d\n", ret);
606		kfree(mod);
607		return ERR_PTR(ret);
608	}
609
610	ret = avs_path_module_send_init_configs(adev, mod);
611	if (ret) {
612		kfree(mod);
613		return ERR_PTR(ret);
614	}
615
616	return mod;
617}
618
619static int avs_path_binding_arm(struct avs_dev *adev, struct avs_path_binding *binding)
620{
621	struct avs_path_module *this_mod, *target_mod;
622	struct avs_path_pipeline *target_ppl;
623	struct avs_path *target_path;
624	struct avs_tplg_binding *t;
625
626	t = binding->template;
627	this_mod = avs_path_find_module(binding->owner,
628					t->mod_id);
629	if (!this_mod) {
630		dev_err(adev->dev, "path mod %d not found\n", t->mod_id);
631		return -EINVAL;
632	}
633
634	/* update with target_tplg_name too */
635	target_path = avs_path_find_path(adev, t->target_tplg_name,
636					 t->target_path_tmpl_id);
637	if (!target_path) {
638		dev_err(adev->dev, "target path %s:%d not found\n",
639			t->target_tplg_name, t->target_path_tmpl_id);
640		return -EINVAL;
641	}
642
643	target_ppl = avs_path_find_pipeline(target_path,
644					    t->target_ppl_id);
645	if (!target_ppl) {
646		dev_err(adev->dev, "target ppl %d not found\n", t->target_ppl_id);
647		return -EINVAL;
648	}
649
650	target_mod = avs_path_find_module(target_ppl, t->target_mod_id);
651	if (!target_mod) {
652		dev_err(adev->dev, "target mod %d not found\n", t->target_mod_id);
653		return -EINVAL;
654	}
655
656	if (t->is_sink) {
657		binding->sink = this_mod;
658		binding->sink_pin = t->mod_pin;
659		binding->source = target_mod;
660		binding->source_pin = t->target_mod_pin;
661	} else {
662		binding->sink = target_mod;
663		binding->sink_pin = t->target_mod_pin;
664		binding->source = this_mod;
665		binding->source_pin = t->mod_pin;
666	}
667
668	return 0;
669}
670
671static void avs_path_binding_free(struct avs_dev *adev, struct avs_path_binding *binding)
672{
673	kfree(binding);
674}
675
676static struct avs_path_binding *avs_path_binding_create(struct avs_dev *adev,
677							struct avs_path_pipeline *owner,
678							struct avs_tplg_binding *t)
679{
680	struct avs_path_binding *binding;
681
682	binding = kzalloc(sizeof(*binding), GFP_KERNEL);
683	if (!binding)
684		return ERR_PTR(-ENOMEM);
685
686	binding->template = t;
687	binding->owner = owner;
688	INIT_LIST_HEAD(&binding->node);
689
690	return binding;
691}
692
693static int avs_path_pipeline_arm(struct avs_dev *adev,
694				 struct avs_path_pipeline *ppl)
695{
696	struct avs_path_module *mod;
697
698	list_for_each_entry(mod, &ppl->mod_list, node) {
699		struct avs_path_module *source, *sink;
700		int ret;
701
702		/*
703		 * Only one module (so it's implicitly last) or it is the last
704		 * one, either way we don't have next module to bind it to.
705		 */
706		if (mod == list_last_entry(&ppl->mod_list,
707					   struct avs_path_module, node))
708			break;
709
710		/* bind current module to next module on list */
711		source = mod;
712		sink = list_next_entry(mod, node);
713		if (!source || !sink)
714			return -EINVAL;
715
716		ret = avs_ipc_bind(adev, source->module_id, source->instance_id,
717				   sink->module_id, sink->instance_id, 0, 0);
718		if (ret)
719			return AVS_IPC_RET(ret);
720	}
721
722	return 0;
723}
724
725static void avs_path_pipeline_free(struct avs_dev *adev,
726				   struct avs_path_pipeline *ppl)
727{
728	struct avs_path_binding *binding, *bsave;
729	struct avs_path_module *mod, *save;
730
731	list_for_each_entry_safe(binding, bsave, &ppl->binding_list, node) {
732		list_del(&binding->node);
733		avs_path_binding_free(adev, binding);
734	}
735
736	avs_dsp_delete_pipeline(adev, ppl->instance_id);
737
738	/* Unload resources occupied by owned modules */
739	list_for_each_entry_safe(mod, save, &ppl->mod_list, node) {
740		avs_dsp_delete_module(adev, mod->module_id, mod->instance_id,
741				      mod->owner->instance_id,
742				      mod->template->core_id);
743		avs_path_module_free(adev, mod);
744	}
745
746	list_del(&ppl->node);
747	kfree(ppl);
748}
749
750static struct avs_path_pipeline *
751avs_path_pipeline_create(struct avs_dev *adev, struct avs_path *owner,
752			 struct avs_tplg_pipeline *template)
753{
754	struct avs_path_pipeline *ppl;
755	struct avs_tplg_pplcfg *cfg = template->cfg;
756	struct avs_tplg_module *tmod;
757	int ret, i;
758
759	ppl = kzalloc(sizeof(*ppl), GFP_KERNEL);
760	if (!ppl)
761		return ERR_PTR(-ENOMEM);
762
763	ppl->template = template;
764	ppl->owner = owner;
765	INIT_LIST_HEAD(&ppl->binding_list);
766	INIT_LIST_HEAD(&ppl->mod_list);
767	INIT_LIST_HEAD(&ppl->node);
768
769	ret = avs_dsp_create_pipeline(adev, cfg->req_size, cfg->priority,
770				      cfg->lp, cfg->attributes,
771				      &ppl->instance_id);
772	if (ret) {
773		dev_err(adev->dev, "error creating pipeline %d\n", ret);
774		kfree(ppl);
775		return ERR_PTR(ret);
776	}
777
778	list_for_each_entry(tmod, &template->mod_list, node) {
779		struct avs_path_module *mod;
780
781		mod = avs_path_module_create(adev, ppl, tmod);
782		if (IS_ERR(mod)) {
783			ret = PTR_ERR(mod);
784			dev_err(adev->dev, "error creating module %d\n", ret);
785			goto init_err;
786		}
787
788		list_add_tail(&mod->node, &ppl->mod_list);
789	}
790
791	for (i = 0; i < template->num_bindings; i++) {
792		struct avs_path_binding *binding;
793
794		binding = avs_path_binding_create(adev, ppl, template->bindings[i]);
795		if (IS_ERR(binding)) {
796			ret = PTR_ERR(binding);
797			dev_err(adev->dev, "error creating binding %d\n", ret);
798			goto init_err;
799		}
800
801		list_add_tail(&binding->node, &ppl->binding_list);
802	}
803
804	return ppl;
805
806init_err:
807	avs_path_pipeline_free(adev, ppl);
808	return ERR_PTR(ret);
809}
810
811static int avs_path_init(struct avs_dev *adev, struct avs_path *path,
812			 struct avs_tplg_path *template, u32 dma_id)
813{
814	struct avs_tplg_pipeline *tppl;
815
816	path->owner = adev;
817	path->template = template;
818	path->dma_id = dma_id;
819	INIT_LIST_HEAD(&path->ppl_list);
820	INIT_LIST_HEAD(&path->node);
821
822	/* create all the pipelines */
823	list_for_each_entry(tppl, &template->ppl_list, node) {
824		struct avs_path_pipeline *ppl;
825
826		ppl = avs_path_pipeline_create(adev, path, tppl);
827		if (IS_ERR(ppl))
828			return PTR_ERR(ppl);
829
830		list_add_tail(&ppl->node, &path->ppl_list);
831	}
832
833	spin_lock(&adev->path_list_lock);
834	list_add_tail(&path->node, &adev->path_list);
835	spin_unlock(&adev->path_list_lock);
836
837	return 0;
838}
839
840static int avs_path_arm(struct avs_dev *adev, struct avs_path *path)
841{
842	struct avs_path_pipeline *ppl;
843	struct avs_path_binding *binding;
844	int ret;
845
846	list_for_each_entry(ppl, &path->ppl_list, node) {
847		/*
848		 * Arm all ppl bindings before binding internal modules
849		 * as it costs no IPCs which isn't true for the latter.
850		 */
851		list_for_each_entry(binding, &ppl->binding_list, node) {
852			ret = avs_path_binding_arm(adev, binding);
853			if (ret < 0)
854				return ret;
855		}
856
857		ret = avs_path_pipeline_arm(adev, ppl);
858		if (ret < 0)
859			return ret;
860	}
861
862	return 0;
863}
864
865static void avs_path_free_unlocked(struct avs_path *path)
866{
867	struct avs_path_pipeline *ppl, *save;
868
869	spin_lock(&path->owner->path_list_lock);
870	list_del(&path->node);
871	spin_unlock(&path->owner->path_list_lock);
872
873	list_for_each_entry_safe(ppl, save, &path->ppl_list, node)
874		avs_path_pipeline_free(path->owner, ppl);
875
876	kfree(path);
877}
878
879static struct avs_path *avs_path_create_unlocked(struct avs_dev *adev, u32 dma_id,
880						 struct avs_tplg_path *template)
881{
882	struct avs_path *path;
883	int ret;
884
885	path = kzalloc(sizeof(*path), GFP_KERNEL);
886	if (!path)
887		return ERR_PTR(-ENOMEM);
888
889	ret = avs_path_init(adev, path, template, dma_id);
890	if (ret < 0)
891		goto err;
892
893	ret = avs_path_arm(adev, path);
894	if (ret < 0)
895		goto err;
896
897	path->state = AVS_PPL_STATE_INVALID;
898	return path;
899err:
900	avs_path_free_unlocked(path);
901	return ERR_PTR(ret);
902}
903
904void avs_path_free(struct avs_path *path)
905{
906	struct avs_dev *adev = path->owner;
907
908	mutex_lock(&adev->path_mutex);
909	avs_path_free_unlocked(path);
910	mutex_unlock(&adev->path_mutex);
911}
912
913struct avs_path *avs_path_create(struct avs_dev *adev, u32 dma_id,
914				 struct avs_tplg_path_template *template,
915				 struct snd_pcm_hw_params *fe_params,
916				 struct snd_pcm_hw_params *be_params)
917{
918	struct avs_tplg_path *variant;
919	struct avs_path *path;
920
921	variant = avs_path_find_variant(adev, template, fe_params, be_params);
922	if (!variant) {
923		dev_err(adev->dev, "no matching variant found\n");
924		return ERR_PTR(-ENOENT);
925	}
926
927	/* Serialize path and its components creation. */
928	mutex_lock(&adev->path_mutex);
929	/* Satisfy needs of avs_path_find_tplg(). */
930	mutex_lock(&adev->comp_list_mutex);
931
932	path = avs_path_create_unlocked(adev, dma_id, variant);
933
934	mutex_unlock(&adev->comp_list_mutex);
935	mutex_unlock(&adev->path_mutex);
936
937	return path;
938}
939
940static int avs_path_bind_prepare(struct avs_dev *adev,
941				 struct avs_path_binding *binding)
942{
943	const struct avs_audio_format *src_fmt, *sink_fmt;
944	struct avs_tplg_module *tsource = binding->source->template;
945	struct avs_path_module *source = binding->source;
946	int ret;
947
948	/*
949	 * only copier modules about to be bound
950	 * to output pin other than 0 need preparation
951	 */
952	if (!binding->source_pin)
953		return 0;
954	if (!guid_equal(&tsource->cfg_ext->type, &AVS_COPIER_MOD_UUID))
955		return 0;
956
957	src_fmt = tsource->in_fmt;
958	sink_fmt = binding->sink->template->in_fmt;
959
960	ret = avs_ipc_copier_set_sink_format(adev, source->module_id,
961					     source->instance_id, binding->source_pin,
962					     src_fmt, sink_fmt);
963	if (ret) {
964		dev_err(adev->dev, "config copier failed: %d\n", ret);
965		return AVS_IPC_RET(ret);
966	}
967
968	return 0;
969}
970
971int avs_path_bind(struct avs_path *path)
972{
973	struct avs_path_pipeline *ppl;
974	struct avs_dev *adev = path->owner;
975	int ret;
976
977	list_for_each_entry(ppl, &path->ppl_list, node) {
978		struct avs_path_binding *binding;
979
980		list_for_each_entry(binding, &ppl->binding_list, node) {
981			struct avs_path_module *source, *sink;
982
983			source = binding->source;
984			sink = binding->sink;
985
986			ret = avs_path_bind_prepare(adev, binding);
987			if (ret < 0)
988				return ret;
989
990			ret = avs_ipc_bind(adev, source->module_id,
991					   source->instance_id, sink->module_id,
992					   sink->instance_id, binding->sink_pin,
993					   binding->source_pin);
994			if (ret) {
995				dev_err(adev->dev, "bind path failed: %d\n", ret);
996				return AVS_IPC_RET(ret);
997			}
998		}
999	}
1000
1001	return 0;
1002}
1003
1004int avs_path_unbind(struct avs_path *path)
1005{
1006	struct avs_path_pipeline *ppl;
1007	struct avs_dev *adev = path->owner;
1008	int ret;
1009
1010	list_for_each_entry(ppl, &path->ppl_list, node) {
1011		struct avs_path_binding *binding;
1012
1013		list_for_each_entry(binding, &ppl->binding_list, node) {
1014			struct avs_path_module *source, *sink;
1015
1016			source = binding->source;
1017			sink = binding->sink;
1018
1019			ret = avs_ipc_unbind(adev, source->module_id,
1020					     source->instance_id, sink->module_id,
1021					     sink->instance_id, binding->sink_pin,
1022					     binding->source_pin);
1023			if (ret) {
1024				dev_err(adev->dev, "unbind path failed: %d\n", ret);
1025				return AVS_IPC_RET(ret);
1026			}
1027		}
1028	}
1029
1030	return 0;
1031}
1032
1033int avs_path_reset(struct avs_path *path)
1034{
1035	struct avs_path_pipeline *ppl;
1036	struct avs_dev *adev = path->owner;
1037	int ret;
1038
1039	if (path->state == AVS_PPL_STATE_RESET)
1040		return 0;
1041
1042	list_for_each_entry(ppl, &path->ppl_list, node) {
1043		ret = avs_ipc_set_pipeline_state(adev, ppl->instance_id,
1044						 AVS_PPL_STATE_RESET);
1045		if (ret) {
1046			dev_err(adev->dev, "reset path failed: %d\n", ret);
1047			path->state = AVS_PPL_STATE_INVALID;
1048			return AVS_IPC_RET(ret);
1049		}
1050	}
1051
1052	path->state = AVS_PPL_STATE_RESET;
1053	return 0;
1054}
1055
1056int avs_path_pause(struct avs_path *path)
1057{
1058	struct avs_path_pipeline *ppl;
1059	struct avs_dev *adev = path->owner;
1060	int ret;
1061
1062	if (path->state == AVS_PPL_STATE_PAUSED)
1063		return 0;
1064
1065	list_for_each_entry_reverse(ppl, &path->ppl_list, node) {
1066		ret = avs_ipc_set_pipeline_state(adev, ppl->instance_id,
1067						 AVS_PPL_STATE_PAUSED);
1068		if (ret) {
1069			dev_err(adev->dev, "pause path failed: %d\n", ret);
1070			path->state = AVS_PPL_STATE_INVALID;
1071			return AVS_IPC_RET(ret);
1072		}
1073	}
1074
1075	path->state = AVS_PPL_STATE_PAUSED;
1076	return 0;
1077}
1078
1079int avs_path_run(struct avs_path *path, int trigger)
1080{
1081	struct avs_path_pipeline *ppl;
1082	struct avs_dev *adev = path->owner;
1083	int ret;
1084
1085	if (path->state == AVS_PPL_STATE_RUNNING && trigger == AVS_TPLG_TRIGGER_AUTO)
1086		return 0;
1087
1088	list_for_each_entry(ppl, &path->ppl_list, node) {
1089		if (ppl->template->cfg->trigger != trigger)
1090			continue;
1091
1092		ret = avs_ipc_set_pipeline_state(adev, ppl->instance_id,
1093						 AVS_PPL_STATE_RUNNING);
1094		if (ret) {
1095			dev_err(adev->dev, "run path failed: %d\n", ret);
1096			path->state = AVS_PPL_STATE_INVALID;
1097			return AVS_IPC_RET(ret);
1098		}
1099	}
1100
1101	path->state = AVS_PPL_STATE_RUNNING;
1102	return 0;
1103}
1104