1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  skl-topology.c - Implements Platform component ALSA controls/widget
4  *  handlers.
5  *
6  *  Copyright (C) 2014-2015 Intel Corp
7  *  Author: Jeeja KP <jeeja.kp@intel.com>
8  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9  */
10 
11 #include <linux/slab.h>
12 #include <linux/types.h>
13 #include <linux/firmware.h>
14 #include <linux/uuid.h>
15 #include <sound/intel-nhlt.h>
16 #include <sound/soc.h>
17 #include <sound/soc-acpi.h>
18 #include <sound/soc-topology.h>
19 #include <uapi/sound/snd_sst_tokens.h>
20 #include <uapi/sound/skl-tplg-interface.h>
21 #include "skl-sst-dsp.h"
22 #include "skl-sst-ipc.h"
23 #include "skl-topology.h"
24 #include "skl.h"
25 #include "../common/sst-dsp.h"
26 #include "../common/sst-dsp-priv.h"
27 
28 #define SKL_CH_FIXUP_MASK		(1 << 0)
29 #define SKL_RATE_FIXUP_MASK		(1 << 1)
30 #define SKL_FMT_FIXUP_MASK		(1 << 2)
31 #define SKL_IN_DIR_BIT_MASK		BIT(0)
32 #define SKL_PIN_COUNT_MASK		GENMASK(7, 4)
33 
34 static const int mic_mono_list[] = {
35 0, 1, 2, 3,
36 };
37 static const int mic_stereo_list[][SKL_CH_STEREO] = {
38 {0, 1}, {0, 2}, {0, 3}, {1, 2}, {1, 3}, {2, 3},
39 };
40 static const int mic_trio_list[][SKL_CH_TRIO] = {
41 {0, 1, 2}, {0, 1, 3}, {0, 2, 3}, {1, 2, 3},
42 };
43 static const int mic_quatro_list[][SKL_CH_QUATRO] = {
44 {0, 1, 2, 3},
45 };
46 
47 #define CHECK_HW_PARAMS(ch, freq, bps, prm_ch, prm_freq, prm_bps) \
48 	((ch == prm_ch) && (bps == prm_bps) && (freq == prm_freq))
49 
50 void skl_tplg_d0i3_get(struct skl_dev *skl, enum d0i3_capability caps)
51 {
52 	struct skl_d0i3_data *d0i3 =  &skl->d0i3;
53 
54 	switch (caps) {
55 	case SKL_D0I3_NONE:
56 		d0i3->non_d0i3++;
57 		break;
58 
59 	case SKL_D0I3_STREAMING:
60 		d0i3->streaming++;
61 		break;
62 
63 	case SKL_D0I3_NON_STREAMING:
64 		d0i3->non_streaming++;
65 		break;
66 	}
67 }
68 
69 void skl_tplg_d0i3_put(struct skl_dev *skl, enum d0i3_capability caps)
70 {
71 	struct skl_d0i3_data *d0i3 =  &skl->d0i3;
72 
73 	switch (caps) {
74 	case SKL_D0I3_NONE:
75 		d0i3->non_d0i3--;
76 		break;
77 
78 	case SKL_D0I3_STREAMING:
79 		d0i3->streaming--;
80 		break;
81 
82 	case SKL_D0I3_NON_STREAMING:
83 		d0i3->non_streaming--;
84 		break;
85 	}
86 }
87 
88 /*
89  * SKL DSP driver modelling uses only few DAPM widgets so for rest we will
90  * ignore. This helpers checks if the SKL driver handles this widget type
91  */
92 static int is_skl_dsp_widget_type(struct snd_soc_dapm_widget *w,
93 				  struct device *dev)
94 {
95 	if (w->dapm->dev != dev)
96 		return false;
97 
98 	switch (w->id) {
99 	case snd_soc_dapm_dai_link:
100 	case snd_soc_dapm_dai_in:
101 	case snd_soc_dapm_aif_in:
102 	case snd_soc_dapm_aif_out:
103 	case snd_soc_dapm_dai_out:
104 	case snd_soc_dapm_switch:
105 	case snd_soc_dapm_output:
106 	case snd_soc_dapm_mux:
107 
108 		return false;
109 	default:
110 		return true;
111 	}
112 }
113 
114 static void skl_dump_mconfig(struct skl_dev *skl, struct skl_module_cfg *mcfg)
115 {
116 	struct skl_module_iface *iface = &mcfg->module->formats[0];
117 
118 	dev_dbg(skl->dev, "Dumping config\n");
119 	dev_dbg(skl->dev, "Input Format:\n");
120 	dev_dbg(skl->dev, "channels = %d\n", iface->inputs[0].fmt.channels);
121 	dev_dbg(skl->dev, "s_freq = %d\n", iface->inputs[0].fmt.s_freq);
122 	dev_dbg(skl->dev, "ch_cfg = %d\n", iface->inputs[0].fmt.ch_cfg);
123 	dev_dbg(skl->dev, "valid bit depth = %d\n",
124 				iface->inputs[0].fmt.valid_bit_depth);
125 	dev_dbg(skl->dev, "Output Format:\n");
126 	dev_dbg(skl->dev, "channels = %d\n", iface->outputs[0].fmt.channels);
127 	dev_dbg(skl->dev, "s_freq = %d\n", iface->outputs[0].fmt.s_freq);
128 	dev_dbg(skl->dev, "valid bit depth = %d\n",
129 				iface->outputs[0].fmt.valid_bit_depth);
130 	dev_dbg(skl->dev, "ch_cfg = %d\n", iface->outputs[0].fmt.ch_cfg);
131 }
132 
133 static void skl_tplg_update_chmap(struct skl_module_fmt *fmt, int chs)
134 {
135 	int slot_map = 0xFFFFFFFF;
136 	int start_slot = 0;
137 	int i;
138 
139 	for (i = 0; i < chs; i++) {
140 		/*
141 		 * For 2 channels with starting slot as 0, slot map will
142 		 * look like 0xFFFFFF10.
143 		 */
144 		slot_map &= (~(0xF << (4 * i)) | (start_slot << (4 * i)));
145 		start_slot++;
146 	}
147 	fmt->ch_map = slot_map;
148 }
149 
150 static void skl_tplg_update_params(struct skl_module_fmt *fmt,
151 			struct skl_pipe_params *params, int fixup)
152 {
153 	if (fixup & SKL_RATE_FIXUP_MASK)
154 		fmt->s_freq = params->s_freq;
155 	if (fixup & SKL_CH_FIXUP_MASK) {
156 		fmt->channels = params->ch;
157 		skl_tplg_update_chmap(fmt, fmt->channels);
158 	}
159 	if (fixup & SKL_FMT_FIXUP_MASK) {
160 		fmt->valid_bit_depth = skl_get_bit_depth(params->s_fmt);
161 
162 		/*
163 		 * 16 bit is 16 bit container whereas 24 bit is in 32 bit
164 		 * container so update bit depth accordingly
165 		 */
166 		switch (fmt->valid_bit_depth) {
167 		case SKL_DEPTH_16BIT:
168 			fmt->bit_depth = fmt->valid_bit_depth;
169 			break;
170 
171 		default:
172 			fmt->bit_depth = SKL_DEPTH_32BIT;
173 			break;
174 		}
175 	}
176 
177 }
178 
179 /*
180  * A pipeline may have modules which impact the pcm parameters, like SRC,
181  * channel converter, format converter.
182  * We need to calculate the output params by applying the 'fixup'
183  * Topology will tell driver which type of fixup is to be applied by
184  * supplying the fixup mask, so based on that we calculate the output
185  *
186  * Now In FE the pcm hw_params is source/target format. Same is applicable
187  * for BE with its hw_params invoked.
188  * here based on FE, BE pipeline and direction we calculate the input and
189  * outfix and then apply that for a module
190  */
191 static void skl_tplg_update_params_fixup(struct skl_module_cfg *m_cfg,
192 		struct skl_pipe_params *params, bool is_fe)
193 {
194 	int in_fixup, out_fixup;
195 	struct skl_module_fmt *in_fmt, *out_fmt;
196 
197 	/* Fixups will be applied to pin 0 only */
198 	in_fmt = &m_cfg->module->formats[0].inputs[0].fmt;
199 	out_fmt = &m_cfg->module->formats[0].outputs[0].fmt;
200 
201 	if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
202 		if (is_fe) {
203 			in_fixup = m_cfg->params_fixup;
204 			out_fixup = (~m_cfg->converter) &
205 					m_cfg->params_fixup;
206 		} else {
207 			out_fixup = m_cfg->params_fixup;
208 			in_fixup = (~m_cfg->converter) &
209 					m_cfg->params_fixup;
210 		}
211 	} else {
212 		if (is_fe) {
213 			out_fixup = m_cfg->params_fixup;
214 			in_fixup = (~m_cfg->converter) &
215 					m_cfg->params_fixup;
216 		} else {
217 			in_fixup = m_cfg->params_fixup;
218 			out_fixup = (~m_cfg->converter) &
219 					m_cfg->params_fixup;
220 		}
221 	}
222 
223 	skl_tplg_update_params(in_fmt, params, in_fixup);
224 	skl_tplg_update_params(out_fmt, params, out_fixup);
225 }
226 
227 /*
228  * A module needs input and output buffers, which are dependent upon pcm
229  * params, so once we have calculate params, we need buffer calculation as
230  * well.
231  */
232 static void skl_tplg_update_buffer_size(struct skl_dev *skl,
233 				struct skl_module_cfg *mcfg)
234 {
235 	int multiplier = 1;
236 	struct skl_module_fmt *in_fmt, *out_fmt;
237 	struct skl_module_res *res;
238 
239 	/* Since fixups is applied to pin 0 only, ibs, obs needs
240 	 * change for pin 0 only
241 	 */
242 	res = &mcfg->module->resources[0];
243 	in_fmt = &mcfg->module->formats[0].inputs[0].fmt;
244 	out_fmt = &mcfg->module->formats[0].outputs[0].fmt;
245 
246 	if (mcfg->m_type == SKL_MODULE_TYPE_SRCINT)
247 		multiplier = 5;
248 
249 	res->ibs = DIV_ROUND_UP(in_fmt->s_freq, 1000) *
250 			in_fmt->channels * (in_fmt->bit_depth >> 3) *
251 			multiplier;
252 
253 	res->obs = DIV_ROUND_UP(out_fmt->s_freq, 1000) *
254 			out_fmt->channels * (out_fmt->bit_depth >> 3) *
255 			multiplier;
256 }
257 
258 static u8 skl_tplg_be_dev_type(int dev_type)
259 {
260 	int ret;
261 
262 	switch (dev_type) {
263 	case SKL_DEVICE_BT:
264 		ret = NHLT_DEVICE_BT;
265 		break;
266 
267 	case SKL_DEVICE_DMIC:
268 		ret = NHLT_DEVICE_DMIC;
269 		break;
270 
271 	case SKL_DEVICE_I2S:
272 		ret = NHLT_DEVICE_I2S;
273 		break;
274 
275 	default:
276 		ret = NHLT_DEVICE_INVALID;
277 		break;
278 	}
279 
280 	return ret;
281 }
282 
283 static int skl_tplg_update_be_blob(struct snd_soc_dapm_widget *w,
284 						struct skl_dev *skl)
285 {
286 	struct skl_module_cfg *m_cfg = w->priv;
287 	int link_type, dir;
288 	u32 ch, s_freq, s_fmt;
289 	struct nhlt_specific_cfg *cfg;
290 	u8 dev_type = skl_tplg_be_dev_type(m_cfg->dev_type);
291 	int fmt_idx = m_cfg->fmt_idx;
292 	struct skl_module_iface *m_iface = &m_cfg->module->formats[fmt_idx];
293 
294 	/* check if we already have blob */
295 	if (m_cfg->formats_config.caps_size > 0)
296 		return 0;
297 
298 	dev_dbg(skl->dev, "Applying default cfg blob\n");
299 	switch (m_cfg->dev_type) {
300 	case SKL_DEVICE_DMIC:
301 		link_type = NHLT_LINK_DMIC;
302 		dir = SNDRV_PCM_STREAM_CAPTURE;
303 		s_freq = m_iface->inputs[0].fmt.s_freq;
304 		s_fmt = m_iface->inputs[0].fmt.bit_depth;
305 		ch = m_iface->inputs[0].fmt.channels;
306 		break;
307 
308 	case SKL_DEVICE_I2S:
309 		link_type = NHLT_LINK_SSP;
310 		if (m_cfg->hw_conn_type == SKL_CONN_SOURCE) {
311 			dir = SNDRV_PCM_STREAM_PLAYBACK;
312 			s_freq = m_iface->outputs[0].fmt.s_freq;
313 			s_fmt = m_iface->outputs[0].fmt.bit_depth;
314 			ch = m_iface->outputs[0].fmt.channels;
315 		} else {
316 			dir = SNDRV_PCM_STREAM_CAPTURE;
317 			s_freq = m_iface->inputs[0].fmt.s_freq;
318 			s_fmt = m_iface->inputs[0].fmt.bit_depth;
319 			ch = m_iface->inputs[0].fmt.channels;
320 		}
321 		break;
322 
323 	default:
324 		return -EINVAL;
325 	}
326 
327 	/* update the blob based on virtual bus_id and default params */
328 	cfg = skl_get_ep_blob(skl, m_cfg->vbus_id, link_type,
329 					s_fmt, ch, s_freq, dir, dev_type);
330 	if (cfg) {
331 		m_cfg->formats_config.caps_size = cfg->size;
332 		m_cfg->formats_config.caps = (u32 *) &cfg->caps;
333 	} else {
334 		dev_err(skl->dev, "Blob NULL for id %x type %d dirn %d\n",
335 					m_cfg->vbus_id, link_type, dir);
336 		dev_err(skl->dev, "PCM: ch %d, freq %d, fmt %d\n",
337 					ch, s_freq, s_fmt);
338 		return -EIO;
339 	}
340 
341 	return 0;
342 }
343 
344 static void skl_tplg_update_module_params(struct snd_soc_dapm_widget *w,
345 							struct skl_dev *skl)
346 {
347 	struct skl_module_cfg *m_cfg = w->priv;
348 	struct skl_pipe_params *params = m_cfg->pipe->p_params;
349 	int p_conn_type = m_cfg->pipe->conn_type;
350 	bool is_fe;
351 
352 	if (!m_cfg->params_fixup)
353 		return;
354 
355 	dev_dbg(skl->dev, "Mconfig for widget=%s BEFORE updation\n",
356 				w->name);
357 
358 	skl_dump_mconfig(skl, m_cfg);
359 
360 	if (p_conn_type == SKL_PIPE_CONN_TYPE_FE)
361 		is_fe = true;
362 	else
363 		is_fe = false;
364 
365 	skl_tplg_update_params_fixup(m_cfg, params, is_fe);
366 	skl_tplg_update_buffer_size(skl, m_cfg);
367 
368 	dev_dbg(skl->dev, "Mconfig for widget=%s AFTER updation\n",
369 				w->name);
370 
371 	skl_dump_mconfig(skl, m_cfg);
372 }
373 
374 /*
375  * some modules can have multiple params set from user control and
376  * need to be set after module is initialized. If set_param flag is
377  * set module params will be done after module is initialised.
378  */
379 static int skl_tplg_set_module_params(struct snd_soc_dapm_widget *w,
380 						struct skl_dev *skl)
381 {
382 	int i, ret;
383 	struct skl_module_cfg *mconfig = w->priv;
384 	const struct snd_kcontrol_new *k;
385 	struct soc_bytes_ext *sb;
386 	struct skl_algo_data *bc;
387 	struct skl_specific_cfg *sp_cfg;
388 
389 	if (mconfig->formats_config.caps_size > 0 &&
390 		mconfig->formats_config.set_params == SKL_PARAM_SET) {
391 		sp_cfg = &mconfig->formats_config;
392 		ret = skl_set_module_params(skl, sp_cfg->caps,
393 					sp_cfg->caps_size,
394 					sp_cfg->param_id, mconfig);
395 		if (ret < 0)
396 			return ret;
397 	}
398 
399 	for (i = 0; i < w->num_kcontrols; i++) {
400 		k = &w->kcontrol_news[i];
401 		if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
402 			sb = (void *) k->private_value;
403 			bc = (struct skl_algo_data *)sb->dobj.private;
404 
405 			if (bc->set_params == SKL_PARAM_SET) {
406 				ret = skl_set_module_params(skl,
407 						(u32 *)bc->params, bc->size,
408 						bc->param_id, mconfig);
409 				if (ret < 0)
410 					return ret;
411 			}
412 		}
413 	}
414 
415 	return 0;
416 }
417 
418 /*
419  * some module param can set from user control and this is required as
420  * when module is initailzed. if module param is required in init it is
421  * identifed by set_param flag. if set_param flag is not set, then this
422  * parameter needs to set as part of module init.
423  */
424 static int skl_tplg_set_module_init_data(struct snd_soc_dapm_widget *w)
425 {
426 	const struct snd_kcontrol_new *k;
427 	struct soc_bytes_ext *sb;
428 	struct skl_algo_data *bc;
429 	struct skl_module_cfg *mconfig = w->priv;
430 	int i;
431 
432 	for (i = 0; i < w->num_kcontrols; i++) {
433 		k = &w->kcontrol_news[i];
434 		if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
435 			sb = (struct soc_bytes_ext *)k->private_value;
436 			bc = (struct skl_algo_data *)sb->dobj.private;
437 
438 			if (bc->set_params != SKL_PARAM_INIT)
439 				continue;
440 
441 			mconfig->formats_config.caps = (u32 *)bc->params;
442 			mconfig->formats_config.caps_size = bc->size;
443 
444 			break;
445 		}
446 	}
447 
448 	return 0;
449 }
450 
451 static int skl_tplg_module_prepare(struct skl_dev *skl, struct skl_pipe *pipe,
452 		struct snd_soc_dapm_widget *w, struct skl_module_cfg *mcfg)
453 {
454 	switch (mcfg->dev_type) {
455 	case SKL_DEVICE_HDAHOST:
456 		return skl_pcm_host_dma_prepare(skl->dev, pipe->p_params);
457 
458 	case SKL_DEVICE_HDALINK:
459 		return skl_pcm_link_dma_prepare(skl->dev, pipe->p_params);
460 	}
461 
462 	return 0;
463 }
464 
465 /*
466  * Inside a pipe instance, we can have various modules. These modules need
467  * to instantiated in DSP by invoking INIT_MODULE IPC, which is achieved by
468  * skl_init_module() routine, so invoke that for all modules in a pipeline
469  */
470 static int
471 skl_tplg_init_pipe_modules(struct skl_dev *skl, struct skl_pipe *pipe)
472 {
473 	struct skl_pipe_module *w_module;
474 	struct snd_soc_dapm_widget *w;
475 	struct skl_module_cfg *mconfig;
476 	u8 cfg_idx;
477 	int ret = 0;
478 
479 	list_for_each_entry(w_module, &pipe->w_list, node) {
480 		guid_t *uuid_mod;
481 		w = w_module->w;
482 		mconfig = w->priv;
483 
484 		/* check if module ids are populated */
485 		if (mconfig->id.module_id < 0) {
486 			dev_err(skl->dev,
487 					"module %pUL id not populated\n",
488 					(guid_t *)mconfig->guid);
489 			return -EIO;
490 		}
491 
492 		cfg_idx = mconfig->pipe->cur_config_idx;
493 		mconfig->fmt_idx = mconfig->mod_cfg[cfg_idx].fmt_idx;
494 		mconfig->res_idx = mconfig->mod_cfg[cfg_idx].res_idx;
495 
496 		if (mconfig->module->loadable && skl->dsp->fw_ops.load_mod) {
497 			ret = skl->dsp->fw_ops.load_mod(skl->dsp,
498 				mconfig->id.module_id, mconfig->guid);
499 			if (ret < 0)
500 				return ret;
501 
502 			mconfig->m_state = SKL_MODULE_LOADED;
503 		}
504 
505 		/* prepare the DMA if the module is gateway cpr */
506 		ret = skl_tplg_module_prepare(skl, pipe, w, mconfig);
507 		if (ret < 0)
508 			return ret;
509 
510 		/* update blob if blob is null for be with default value */
511 		skl_tplg_update_be_blob(w, skl);
512 
513 		/*
514 		 * apply fix/conversion to module params based on
515 		 * FE/BE params
516 		 */
517 		skl_tplg_update_module_params(w, skl);
518 		uuid_mod = (guid_t *)mconfig->guid;
519 		mconfig->id.pvt_id = skl_get_pvt_id(skl, uuid_mod,
520 						mconfig->id.instance_id);
521 		if (mconfig->id.pvt_id < 0)
522 			return ret;
523 		skl_tplg_set_module_init_data(w);
524 
525 		ret = skl_dsp_get_core(skl->dsp, mconfig->core_id);
526 		if (ret < 0) {
527 			dev_err(skl->dev, "Failed to wake up core %d ret=%d\n",
528 						mconfig->core_id, ret);
529 			return ret;
530 		}
531 
532 		ret = skl_init_module(skl, mconfig);
533 		if (ret < 0) {
534 			skl_put_pvt_id(skl, uuid_mod, &mconfig->id.pvt_id);
535 			goto err;
536 		}
537 
538 		ret = skl_tplg_set_module_params(w, skl);
539 		if (ret < 0)
540 			goto err;
541 	}
542 
543 	return 0;
544 err:
545 	skl_dsp_put_core(skl->dsp, mconfig->core_id);
546 	return ret;
547 }
548 
549 static int skl_tplg_unload_pipe_modules(struct skl_dev *skl,
550 	 struct skl_pipe *pipe)
551 {
552 	int ret = 0;
553 	struct skl_pipe_module *w_module;
554 	struct skl_module_cfg *mconfig;
555 
556 	list_for_each_entry(w_module, &pipe->w_list, node) {
557 		guid_t *uuid_mod;
558 		mconfig  = w_module->w->priv;
559 		uuid_mod = (guid_t *)mconfig->guid;
560 
561 		if (mconfig->module->loadable && skl->dsp->fw_ops.unload_mod &&
562 			mconfig->m_state > SKL_MODULE_UNINIT) {
563 			ret = skl->dsp->fw_ops.unload_mod(skl->dsp,
564 						mconfig->id.module_id);
565 			if (ret < 0)
566 				return -EIO;
567 		}
568 		skl_put_pvt_id(skl, uuid_mod, &mconfig->id.pvt_id);
569 
570 		ret = skl_dsp_put_core(skl->dsp, mconfig->core_id);
571 		if (ret < 0) {
572 			/* don't return; continue with other modules */
573 			dev_err(skl->dev, "Failed to sleep core %d ret=%d\n",
574 				mconfig->core_id, ret);
575 		}
576 	}
577 
578 	/* no modules to unload in this path, so return */
579 	return ret;
580 }
581 
582 static bool skl_tplg_is_multi_fmt(struct skl_dev *skl, struct skl_pipe *pipe)
583 {
584 	struct skl_pipe_fmt *cur_fmt;
585 	struct skl_pipe_fmt *next_fmt;
586 	int i;
587 
588 	if (pipe->nr_cfgs <= 1)
589 		return false;
590 
591 	if (pipe->conn_type != SKL_PIPE_CONN_TYPE_FE)
592 		return true;
593 
594 	for (i = 0; i < pipe->nr_cfgs - 1; i++) {
595 		if (pipe->direction == SNDRV_PCM_STREAM_PLAYBACK) {
596 			cur_fmt = &pipe->configs[i].out_fmt;
597 			next_fmt = &pipe->configs[i + 1].out_fmt;
598 		} else {
599 			cur_fmt = &pipe->configs[i].in_fmt;
600 			next_fmt = &pipe->configs[i + 1].in_fmt;
601 		}
602 
603 		if (!CHECK_HW_PARAMS(cur_fmt->channels, cur_fmt->freq,
604 				     cur_fmt->bps,
605 				     next_fmt->channels,
606 				     next_fmt->freq,
607 				     next_fmt->bps))
608 			return true;
609 	}
610 
611 	return false;
612 }
613 
614 /*
615  * Here, we select pipe format based on the pipe type and pipe
616  * direction to determine the current config index for the pipeline.
617  * The config index is then used to select proper module resources.
618  * Intermediate pipes currently have a fixed format hence we select the
619  * 0th configuratation by default for such pipes.
620  */
621 static int
622 skl_tplg_get_pipe_config(struct skl_dev *skl, struct skl_module_cfg *mconfig)
623 {
624 	struct skl_pipe *pipe = mconfig->pipe;
625 	struct skl_pipe_params *params = pipe->p_params;
626 	struct skl_path_config *pconfig = &pipe->configs[0];
627 	struct skl_pipe_fmt *fmt = NULL;
628 	bool in_fmt = false;
629 	int i;
630 
631 	if (pipe->nr_cfgs == 0) {
632 		pipe->cur_config_idx = 0;
633 		return 0;
634 	}
635 
636 	if (skl_tplg_is_multi_fmt(skl, pipe)) {
637 		pipe->cur_config_idx = pipe->pipe_config_idx;
638 		pipe->memory_pages = pconfig->mem_pages;
639 		dev_dbg(skl->dev, "found pipe config idx:%d\n",
640 			pipe->cur_config_idx);
641 		return 0;
642 	}
643 
644 	if (pipe->conn_type == SKL_PIPE_CONN_TYPE_NONE) {
645 		dev_dbg(skl->dev, "No conn_type detected, take 0th config\n");
646 		pipe->cur_config_idx = 0;
647 		pipe->memory_pages = pconfig->mem_pages;
648 
649 		return 0;
650 	}
651 
652 	if ((pipe->conn_type == SKL_PIPE_CONN_TYPE_FE &&
653 	     pipe->direction == SNDRV_PCM_STREAM_PLAYBACK) ||
654 	     (pipe->conn_type == SKL_PIPE_CONN_TYPE_BE &&
655 	     pipe->direction == SNDRV_PCM_STREAM_CAPTURE))
656 		in_fmt = true;
657 
658 	for (i = 0; i < pipe->nr_cfgs; i++) {
659 		pconfig = &pipe->configs[i];
660 		if (in_fmt)
661 			fmt = &pconfig->in_fmt;
662 		else
663 			fmt = &pconfig->out_fmt;
664 
665 		if (CHECK_HW_PARAMS(params->ch, params->s_freq, params->s_fmt,
666 				    fmt->channels, fmt->freq, fmt->bps)) {
667 			pipe->cur_config_idx = i;
668 			pipe->memory_pages = pconfig->mem_pages;
669 			dev_dbg(skl->dev, "Using pipe config: %d\n", i);
670 
671 			return 0;
672 		}
673 	}
674 
675 	dev_err(skl->dev, "Invalid pipe config: %d %d %d for pipe: %d\n",
676 		params->ch, params->s_freq, params->s_fmt, pipe->ppl_id);
677 	return -EINVAL;
678 }
679 
680 /*
681  * Mixer module represents a pipeline. So in the Pre-PMU event of mixer we
682  * need create the pipeline. So we do following:
683  *   - Create the pipeline
684  *   - Initialize the modules in pipeline
685  *   - finally bind all modules together
686  */
687 static int skl_tplg_mixer_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w,
688 							struct skl_dev *skl)
689 {
690 	int ret;
691 	struct skl_module_cfg *mconfig = w->priv;
692 	struct skl_pipe_module *w_module;
693 	struct skl_pipe *s_pipe = mconfig->pipe;
694 	struct skl_module_cfg *src_module = NULL, *dst_module, *module;
695 	struct skl_module_deferred_bind *modules;
696 
697 	ret = skl_tplg_get_pipe_config(skl, mconfig);
698 	if (ret < 0)
699 		return ret;
700 
701 	/*
702 	 * Create a list of modules for pipe.
703 	 * This list contains modules from source to sink
704 	 */
705 	ret = skl_create_pipeline(skl, mconfig->pipe);
706 	if (ret < 0)
707 		return ret;
708 
709 	/* Init all pipe modules from source to sink */
710 	ret = skl_tplg_init_pipe_modules(skl, s_pipe);
711 	if (ret < 0)
712 		return ret;
713 
714 	/* Bind modules from source to sink */
715 	list_for_each_entry(w_module, &s_pipe->w_list, node) {
716 		dst_module = w_module->w->priv;
717 
718 		if (src_module == NULL) {
719 			src_module = dst_module;
720 			continue;
721 		}
722 
723 		ret = skl_bind_modules(skl, src_module, dst_module);
724 		if (ret < 0)
725 			return ret;
726 
727 		src_module = dst_module;
728 	}
729 
730 	/*
731 	 * When the destination module is initialized, check for these modules
732 	 * in deferred bind list. If found, bind them.
733 	 */
734 	list_for_each_entry(w_module, &s_pipe->w_list, node) {
735 		if (list_empty(&skl->bind_list))
736 			break;
737 
738 		list_for_each_entry(modules, &skl->bind_list, node) {
739 			module = w_module->w->priv;
740 			if (modules->dst == module)
741 				skl_bind_modules(skl, modules->src,
742 							modules->dst);
743 		}
744 	}
745 
746 	return 0;
747 }
748 
749 static int skl_fill_sink_instance_id(struct skl_dev *skl, u32 *params,
750 				int size, struct skl_module_cfg *mcfg)
751 {
752 	int i, pvt_id;
753 
754 	if (mcfg->m_type == SKL_MODULE_TYPE_KPB) {
755 		struct skl_kpb_params *kpb_params =
756 				(struct skl_kpb_params *)params;
757 		struct skl_mod_inst_map *inst = kpb_params->u.map;
758 
759 		for (i = 0; i < kpb_params->num_modules; i++) {
760 			pvt_id = skl_get_pvt_instance_id_map(skl, inst->mod_id,
761 								inst->inst_id);
762 			if (pvt_id < 0)
763 				return -EINVAL;
764 
765 			inst->inst_id = pvt_id;
766 			inst++;
767 		}
768 	}
769 
770 	return 0;
771 }
772 /*
773  * Some modules require params to be set after the module is bound to
774  * all pins connected.
775  *
776  * The module provider initializes set_param flag for such modules and we
777  * send params after binding
778  */
779 static int skl_tplg_set_module_bind_params(struct snd_soc_dapm_widget *w,
780 			struct skl_module_cfg *mcfg, struct skl_dev *skl)
781 {
782 	int i, ret;
783 	struct skl_module_cfg *mconfig = w->priv;
784 	const struct snd_kcontrol_new *k;
785 	struct soc_bytes_ext *sb;
786 	struct skl_algo_data *bc;
787 	struct skl_specific_cfg *sp_cfg;
788 	u32 *params;
789 
790 	/*
791 	 * check all out/in pins are in bind state.
792 	 * if so set the module param
793 	 */
794 	for (i = 0; i < mcfg->module->max_output_pins; i++) {
795 		if (mcfg->m_out_pin[i].pin_state != SKL_PIN_BIND_DONE)
796 			return 0;
797 	}
798 
799 	for (i = 0; i < mcfg->module->max_input_pins; i++) {
800 		if (mcfg->m_in_pin[i].pin_state != SKL_PIN_BIND_DONE)
801 			return 0;
802 	}
803 
804 	if (mconfig->formats_config.caps_size > 0 &&
805 		mconfig->formats_config.set_params == SKL_PARAM_BIND) {
806 		sp_cfg = &mconfig->formats_config;
807 		ret = skl_set_module_params(skl, sp_cfg->caps,
808 					sp_cfg->caps_size,
809 					sp_cfg->param_id, mconfig);
810 		if (ret < 0)
811 			return ret;
812 	}
813 
814 	for (i = 0; i < w->num_kcontrols; i++) {
815 		k = &w->kcontrol_news[i];
816 		if (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
817 			sb = (void *) k->private_value;
818 			bc = (struct skl_algo_data *)sb->dobj.private;
819 
820 			if (bc->set_params == SKL_PARAM_BIND) {
821 				params = kmemdup(bc->params, bc->max, GFP_KERNEL);
822 				if (!params)
823 					return -ENOMEM;
824 
825 				skl_fill_sink_instance_id(skl, params, bc->max,
826 								mconfig);
827 
828 				ret = skl_set_module_params(skl, params,
829 						bc->max, bc->param_id, mconfig);
830 				kfree(params);
831 
832 				if (ret < 0)
833 					return ret;
834 			}
835 		}
836 	}
837 
838 	return 0;
839 }
840 
841 static int skl_get_module_id(struct skl_dev *skl, guid_t *uuid)
842 {
843 	struct uuid_module *module;
844 
845 	list_for_each_entry(module, &skl->uuid_list, list) {
846 		if (guid_equal(uuid, &module->uuid))
847 			return module->id;
848 	}
849 
850 	return -EINVAL;
851 }
852 
853 static int skl_tplg_find_moduleid_from_uuid(struct skl_dev *skl,
854 					const struct snd_kcontrol_new *k)
855 {
856 	struct soc_bytes_ext *sb = (void *) k->private_value;
857 	struct skl_algo_data *bc = (struct skl_algo_data *)sb->dobj.private;
858 	struct skl_kpb_params *uuid_params, *params;
859 	struct hdac_bus *bus = skl_to_bus(skl);
860 	int i, size, module_id;
861 
862 	if (bc->set_params == SKL_PARAM_BIND && bc->max) {
863 		uuid_params = (struct skl_kpb_params *)bc->params;
864 		size = struct_size(params, u.map, uuid_params->num_modules);
865 
866 		params = devm_kzalloc(bus->dev, size, GFP_KERNEL);
867 		if (!params)
868 			return -ENOMEM;
869 
870 		params->num_modules = uuid_params->num_modules;
871 
872 		for (i = 0; i < uuid_params->num_modules; i++) {
873 			module_id = skl_get_module_id(skl,
874 				&uuid_params->u.map_uuid[i].mod_uuid);
875 			if (module_id < 0) {
876 				devm_kfree(bus->dev, params);
877 				return -EINVAL;
878 			}
879 
880 			params->u.map[i].mod_id = module_id;
881 			params->u.map[i].inst_id =
882 				uuid_params->u.map_uuid[i].inst_id;
883 		}
884 
885 		devm_kfree(bus->dev, bc->params);
886 		bc->params = (char *)params;
887 		bc->max = size;
888 	}
889 
890 	return 0;
891 }
892 
893 /*
894  * Retrieve the module id from UUID mentioned in the
895  * post bind params
896  */
897 void skl_tplg_add_moduleid_in_bind_params(struct skl_dev *skl,
898 				struct snd_soc_dapm_widget *w)
899 {
900 	struct skl_module_cfg *mconfig = w->priv;
901 	int i;
902 
903 	/*
904 	 * Post bind params are used for only for KPB
905 	 * to set copier instances to drain the data
906 	 * in fast mode
907 	 */
908 	if (mconfig->m_type != SKL_MODULE_TYPE_KPB)
909 		return;
910 
911 	for (i = 0; i < w->num_kcontrols; i++)
912 		if ((w->kcontrol_news[i].access &
913 			SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) &&
914 			(skl_tplg_find_moduleid_from_uuid(skl,
915 			&w->kcontrol_news[i]) < 0))
916 			dev_err(skl->dev,
917 				"%s: invalid kpb post bind params\n",
918 				__func__);
919 }
920 
921 static int skl_tplg_module_add_deferred_bind(struct skl_dev *skl,
922 	struct skl_module_cfg *src, struct skl_module_cfg *dst)
923 {
924 	struct skl_module_deferred_bind *m_list, *modules;
925 	int i;
926 
927 	/* only supported for module with static pin connection */
928 	for (i = 0; i < dst->module->max_input_pins; i++) {
929 		struct skl_module_pin *pin = &dst->m_in_pin[i];
930 
931 		if (pin->is_dynamic)
932 			continue;
933 
934 		if ((pin->id.module_id  == src->id.module_id) &&
935 			(pin->id.instance_id  == src->id.instance_id)) {
936 
937 			if (!list_empty(&skl->bind_list)) {
938 				list_for_each_entry(modules, &skl->bind_list, node) {
939 					if (modules->src == src && modules->dst == dst)
940 						return 0;
941 				}
942 			}
943 
944 			m_list = kzalloc(sizeof(*m_list), GFP_KERNEL);
945 			if (!m_list)
946 				return -ENOMEM;
947 
948 			m_list->src = src;
949 			m_list->dst = dst;
950 
951 			list_add(&m_list->node, &skl->bind_list);
952 		}
953 	}
954 
955 	return 0;
956 }
957 
958 static int skl_tplg_bind_sinks(struct snd_soc_dapm_widget *w,
959 				struct skl_dev *skl,
960 				struct snd_soc_dapm_widget *src_w,
961 				struct skl_module_cfg *src_mconfig)
962 {
963 	struct snd_soc_dapm_path *p;
964 	struct snd_soc_dapm_widget *sink = NULL, *next_sink = NULL;
965 	struct skl_module_cfg *sink_mconfig;
966 	int ret;
967 
968 	snd_soc_dapm_widget_for_each_sink_path(w, p) {
969 		if (!p->connect)
970 			continue;
971 
972 		dev_dbg(skl->dev,
973 			"%s: src widget=%s\n", __func__, w->name);
974 		dev_dbg(skl->dev,
975 			"%s: sink widget=%s\n", __func__, p->sink->name);
976 
977 		next_sink = p->sink;
978 
979 		if (!is_skl_dsp_widget_type(p->sink, skl->dev))
980 			return skl_tplg_bind_sinks(p->sink, skl, src_w, src_mconfig);
981 
982 		/*
983 		 * here we will check widgets in sink pipelines, so that
984 		 * can be any widgets type and we are only interested if
985 		 * they are ones used for SKL so check that first
986 		 */
987 		if ((p->sink->priv != NULL) &&
988 				is_skl_dsp_widget_type(p->sink, skl->dev)) {
989 
990 			sink = p->sink;
991 			sink_mconfig = sink->priv;
992 
993 			/*
994 			 * Modules other than PGA leaf can be connected
995 			 * directly or via switch to a module in another
996 			 * pipeline. EX: reference path
997 			 * when the path is enabled, the dst module that needs
998 			 * to be bound may not be initialized. if the module is
999 			 * not initialized, add these modules in the deferred
1000 			 * bind list and when the dst module is initialised,
1001 			 * bind this module to the dst_module in deferred list.
1002 			 */
1003 			if (((src_mconfig->m_state == SKL_MODULE_INIT_DONE)
1004 				&& (sink_mconfig->m_state == SKL_MODULE_UNINIT))) {
1005 
1006 				ret = skl_tplg_module_add_deferred_bind(skl,
1007 						src_mconfig, sink_mconfig);
1008 
1009 				if (ret < 0)
1010 					return ret;
1011 
1012 			}
1013 
1014 
1015 			if (src_mconfig->m_state == SKL_MODULE_UNINIT ||
1016 				sink_mconfig->m_state == SKL_MODULE_UNINIT)
1017 				continue;
1018 
1019 			/* Bind source to sink, mixin is always source */
1020 			ret = skl_bind_modules(skl, src_mconfig, sink_mconfig);
1021 			if (ret)
1022 				return ret;
1023 
1024 			/* set module params after bind */
1025 			skl_tplg_set_module_bind_params(src_w,
1026 					src_mconfig, skl);
1027 			skl_tplg_set_module_bind_params(sink,
1028 					sink_mconfig, skl);
1029 
1030 			/* Start sinks pipe first */
1031 			if (sink_mconfig->pipe->state != SKL_PIPE_STARTED) {
1032 				if (sink_mconfig->pipe->conn_type !=
1033 							SKL_PIPE_CONN_TYPE_FE)
1034 					ret = skl_run_pipe(skl,
1035 							sink_mconfig->pipe);
1036 				if (ret)
1037 					return ret;
1038 			}
1039 		}
1040 	}
1041 
1042 	if (!sink && next_sink)
1043 		return skl_tplg_bind_sinks(next_sink, skl, src_w, src_mconfig);
1044 
1045 	return 0;
1046 }
1047 
1048 /*
1049  * A PGA represents a module in a pipeline. So in the Pre-PMU event of PGA
1050  * we need to do following:
1051  *   - Bind to sink pipeline
1052  *      Since the sink pipes can be running and we don't get mixer event on
1053  *      connect for already running mixer, we need to find the sink pipes
1054  *      here and bind to them. This way dynamic connect works.
1055  *   - Start sink pipeline, if not running
1056  *   - Then run current pipe
1057  */
1058 static int skl_tplg_pga_dapm_pre_pmu_event(struct snd_soc_dapm_widget *w,
1059 							struct skl_dev *skl)
1060 {
1061 	struct skl_module_cfg *src_mconfig;
1062 	int ret = 0;
1063 
1064 	src_mconfig = w->priv;
1065 
1066 	/*
1067 	 * find which sink it is connected to, bind with the sink,
1068 	 * if sink is not started, start sink pipe first, then start
1069 	 * this pipe
1070 	 */
1071 	ret = skl_tplg_bind_sinks(w, skl, w, src_mconfig);
1072 	if (ret)
1073 		return ret;
1074 
1075 	/* Start source pipe last after starting all sinks */
1076 	if (src_mconfig->pipe->conn_type != SKL_PIPE_CONN_TYPE_FE)
1077 		return skl_run_pipe(skl, src_mconfig->pipe);
1078 
1079 	return 0;
1080 }
1081 
1082 static struct snd_soc_dapm_widget *skl_get_src_dsp_widget(
1083 		struct snd_soc_dapm_widget *w, struct skl_dev *skl)
1084 {
1085 	struct snd_soc_dapm_path *p;
1086 	struct snd_soc_dapm_widget *src_w = NULL;
1087 
1088 	snd_soc_dapm_widget_for_each_source_path(w, p) {
1089 		src_w = p->source;
1090 		if (!p->connect)
1091 			continue;
1092 
1093 		dev_dbg(skl->dev, "sink widget=%s\n", w->name);
1094 		dev_dbg(skl->dev, "src widget=%s\n", p->source->name);
1095 
1096 		/*
1097 		 * here we will check widgets in sink pipelines, so that can
1098 		 * be any widgets type and we are only interested if they are
1099 		 * ones used for SKL so check that first
1100 		 */
1101 		if ((p->source->priv != NULL) &&
1102 				is_skl_dsp_widget_type(p->source, skl->dev)) {
1103 			return p->source;
1104 		}
1105 	}
1106 
1107 	if (src_w != NULL)
1108 		return skl_get_src_dsp_widget(src_w, skl);
1109 
1110 	return NULL;
1111 }
1112 
1113 /*
1114  * in the Post-PMU event of mixer we need to do following:
1115  *   - Check if this pipe is running
1116  *   - if not, then
1117  *	- bind this pipeline to its source pipeline
1118  *	  if source pipe is already running, this means it is a dynamic
1119  *	  connection and we need to bind only to that pipe
1120  *	- start this pipeline
1121  */
1122 static int skl_tplg_mixer_dapm_post_pmu_event(struct snd_soc_dapm_widget *w,
1123 							struct skl_dev *skl)
1124 {
1125 	int ret = 0;
1126 	struct snd_soc_dapm_widget *source, *sink;
1127 	struct skl_module_cfg *src_mconfig, *sink_mconfig;
1128 	int src_pipe_started = 0;
1129 
1130 	sink = w;
1131 	sink_mconfig = sink->priv;
1132 
1133 	/*
1134 	 * If source pipe is already started, that means source is driving
1135 	 * one more sink before this sink got connected, Since source is
1136 	 * started, bind this sink to source and start this pipe.
1137 	 */
1138 	source = skl_get_src_dsp_widget(w, skl);
1139 	if (source != NULL) {
1140 		src_mconfig = source->priv;
1141 		sink_mconfig = sink->priv;
1142 		src_pipe_started = 1;
1143 
1144 		/*
1145 		 * check pipe state, then no need to bind or start the
1146 		 * pipe
1147 		 */
1148 		if (src_mconfig->pipe->state != SKL_PIPE_STARTED)
1149 			src_pipe_started = 0;
1150 	}
1151 
1152 	if (src_pipe_started) {
1153 		ret = skl_bind_modules(skl, src_mconfig, sink_mconfig);
1154 		if (ret)
1155 			return ret;
1156 
1157 		/* set module params after bind */
1158 		skl_tplg_set_module_bind_params(source, src_mconfig, skl);
1159 		skl_tplg_set_module_bind_params(sink, sink_mconfig, skl);
1160 
1161 		if (sink_mconfig->pipe->conn_type != SKL_PIPE_CONN_TYPE_FE)
1162 			ret = skl_run_pipe(skl, sink_mconfig->pipe);
1163 	}
1164 
1165 	return ret;
1166 }
1167 
1168 /*
1169  * in the Pre-PMD event of mixer we need to do following:
1170  *   - Stop the pipe
1171  *   - find the source connections and remove that from dapm_path_list
1172  *   - unbind with source pipelines if still connected
1173  */
1174 static int skl_tplg_mixer_dapm_pre_pmd_event(struct snd_soc_dapm_widget *w,
1175 							struct skl_dev *skl)
1176 {
1177 	struct skl_module_cfg *src_mconfig, *sink_mconfig;
1178 	int ret = 0, i;
1179 
1180 	sink_mconfig = w->priv;
1181 
1182 	/* Stop the pipe */
1183 	ret = skl_stop_pipe(skl, sink_mconfig->pipe);
1184 	if (ret)
1185 		return ret;
1186 
1187 	for (i = 0; i < sink_mconfig->module->max_input_pins; i++) {
1188 		if (sink_mconfig->m_in_pin[i].pin_state == SKL_PIN_BIND_DONE) {
1189 			src_mconfig = sink_mconfig->m_in_pin[i].tgt_mcfg;
1190 			if (!src_mconfig)
1191 				continue;
1192 
1193 			ret = skl_unbind_modules(skl,
1194 						src_mconfig, sink_mconfig);
1195 		}
1196 	}
1197 
1198 	return ret;
1199 }
1200 
1201 /*
1202  * in the Post-PMD event of mixer we need to do following:
1203  *   - Unbind the modules within the pipeline
1204  *   - Delete the pipeline (modules are not required to be explicitly
1205  *     deleted, pipeline delete is enough here
1206  */
1207 static int skl_tplg_mixer_dapm_post_pmd_event(struct snd_soc_dapm_widget *w,
1208 							struct skl_dev *skl)
1209 {
1210 	struct skl_module_cfg *mconfig = w->priv;
1211 	struct skl_pipe_module *w_module;
1212 	struct skl_module_cfg *src_module = NULL, *dst_module;
1213 	struct skl_pipe *s_pipe = mconfig->pipe;
1214 	struct skl_module_deferred_bind *modules, *tmp;
1215 
1216 	if (s_pipe->state == SKL_PIPE_INVALID)
1217 		return -EINVAL;
1218 
1219 	list_for_each_entry(w_module, &s_pipe->w_list, node) {
1220 		if (list_empty(&skl->bind_list))
1221 			break;
1222 
1223 		src_module = w_module->w->priv;
1224 
1225 		list_for_each_entry_safe(modules, tmp, &skl->bind_list, node) {
1226 			/*
1227 			 * When the destination module is deleted, Unbind the
1228 			 * modules from deferred bind list.
1229 			 */
1230 			if (modules->dst == src_module) {
1231 				skl_unbind_modules(skl, modules->src,
1232 						modules->dst);
1233 			}
1234 
1235 			/*
1236 			 * When the source module is deleted, remove this entry
1237 			 * from the deferred bind list.
1238 			 */
1239 			if (modules->src == src_module) {
1240 				list_del(&modules->node);
1241 				modules->src = NULL;
1242 				modules->dst = NULL;
1243 				kfree(modules);
1244 			}
1245 		}
1246 	}
1247 
1248 	list_for_each_entry(w_module, &s_pipe->w_list, node) {
1249 		dst_module = w_module->w->priv;
1250 
1251 		if (src_module == NULL) {
1252 			src_module = dst_module;
1253 			continue;
1254 		}
1255 
1256 		skl_unbind_modules(skl, src_module, dst_module);
1257 		src_module = dst_module;
1258 	}
1259 
1260 	skl_delete_pipe(skl, mconfig->pipe);
1261 
1262 	list_for_each_entry(w_module, &s_pipe->w_list, node) {
1263 		src_module = w_module->w->priv;
1264 		src_module->m_state = SKL_MODULE_UNINIT;
1265 	}
1266 
1267 	return skl_tplg_unload_pipe_modules(skl, s_pipe);
1268 }
1269 
1270 /*
1271  * in the Post-PMD event of PGA we need to do following:
1272  *   - Stop the pipeline
1273  *   - In source pipe is connected, unbind with source pipelines
1274  */
1275 static int skl_tplg_pga_dapm_post_pmd_event(struct snd_soc_dapm_widget *w,
1276 							struct skl_dev *skl)
1277 {
1278 	struct skl_module_cfg *src_mconfig, *sink_mconfig;
1279 	int ret = 0, i;
1280 
1281 	src_mconfig = w->priv;
1282 
1283 	/* Stop the pipe since this is a mixin module */
1284 	ret = skl_stop_pipe(skl, src_mconfig->pipe);
1285 	if (ret)
1286 		return ret;
1287 
1288 	for (i = 0; i < src_mconfig->module->max_output_pins; i++) {
1289 		if (src_mconfig->m_out_pin[i].pin_state == SKL_PIN_BIND_DONE) {
1290 			sink_mconfig = src_mconfig->m_out_pin[i].tgt_mcfg;
1291 			if (!sink_mconfig)
1292 				continue;
1293 			/*
1294 			 * This is a connecter and if path is found that means
1295 			 * unbind between source and sink has not happened yet
1296 			 */
1297 			ret = skl_unbind_modules(skl, src_mconfig,
1298 							sink_mconfig);
1299 		}
1300 	}
1301 
1302 	return ret;
1303 }
1304 
1305 /*
1306  * In modelling, we assume there will be ONLY one mixer in a pipeline. If a
1307  * second one is required that is created as another pipe entity.
1308  * The mixer is responsible for pipe management and represent a pipeline
1309  * instance
1310  */
1311 static int skl_tplg_mixer_event(struct snd_soc_dapm_widget *w,
1312 				struct snd_kcontrol *k, int event)
1313 {
1314 	struct snd_soc_dapm_context *dapm = w->dapm;
1315 	struct skl_dev *skl = get_skl_ctx(dapm->dev);
1316 
1317 	switch (event) {
1318 	case SND_SOC_DAPM_PRE_PMU:
1319 		return skl_tplg_mixer_dapm_pre_pmu_event(w, skl);
1320 
1321 	case SND_SOC_DAPM_POST_PMU:
1322 		return skl_tplg_mixer_dapm_post_pmu_event(w, skl);
1323 
1324 	case SND_SOC_DAPM_PRE_PMD:
1325 		return skl_tplg_mixer_dapm_pre_pmd_event(w, skl);
1326 
1327 	case SND_SOC_DAPM_POST_PMD:
1328 		return skl_tplg_mixer_dapm_post_pmd_event(w, skl);
1329 	}
1330 
1331 	return 0;
1332 }
1333 
1334 /*
1335  * In modelling, we assumed rest of the modules in pipeline are PGA. But we
1336  * are interested in last PGA (leaf PGA) in a pipeline to disconnect with
1337  * the sink when it is running (two FE to one BE or one FE to two BE)
1338  * scenarios
1339  */
1340 static int skl_tplg_pga_event(struct snd_soc_dapm_widget *w,
1341 			struct snd_kcontrol *k, int event)
1342 
1343 {
1344 	struct snd_soc_dapm_context *dapm = w->dapm;
1345 	struct skl_dev *skl = get_skl_ctx(dapm->dev);
1346 
1347 	switch (event) {
1348 	case SND_SOC_DAPM_PRE_PMU:
1349 		return skl_tplg_pga_dapm_pre_pmu_event(w, skl);
1350 
1351 	case SND_SOC_DAPM_POST_PMD:
1352 		return skl_tplg_pga_dapm_post_pmd_event(w, skl);
1353 	}
1354 
1355 	return 0;
1356 }
1357 
1358 static int skl_tplg_multi_config_set_get(struct snd_kcontrol *kcontrol,
1359 					 struct snd_ctl_elem_value *ucontrol,
1360 					 bool is_set)
1361 {
1362 	struct snd_soc_component *component =
1363 		snd_soc_kcontrol_component(kcontrol);
1364 	struct hdac_bus *bus = snd_soc_component_get_drvdata(component);
1365 	struct skl_dev *skl = bus_to_skl(bus);
1366 	struct skl_pipeline *ppl;
1367 	struct skl_pipe *pipe = NULL;
1368 	struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
1369 	u32 *pipe_id;
1370 
1371 	if (!ec)
1372 		return -EINVAL;
1373 
1374 	if (is_set && ucontrol->value.enumerated.item[0] > ec->items)
1375 		return -EINVAL;
1376 
1377 	pipe_id = ec->dobj.private;
1378 
1379 	list_for_each_entry(ppl, &skl->ppl_list, node) {
1380 		if (ppl->pipe->ppl_id == *pipe_id) {
1381 			pipe = ppl->pipe;
1382 			break;
1383 		}
1384 	}
1385 	if (!pipe)
1386 		return -EIO;
1387 
1388 	if (is_set)
1389 		pipe->pipe_config_idx = ucontrol->value.enumerated.item[0];
1390 	else
1391 		ucontrol->value.enumerated.item[0]  =  pipe->pipe_config_idx;
1392 
1393 	return 0;
1394 }
1395 
1396 static int skl_tplg_multi_config_get(struct snd_kcontrol *kcontrol,
1397 				     struct snd_ctl_elem_value *ucontrol)
1398 {
1399 	return skl_tplg_multi_config_set_get(kcontrol, ucontrol, false);
1400 }
1401 
1402 static int skl_tplg_multi_config_set(struct snd_kcontrol *kcontrol,
1403 				     struct snd_ctl_elem_value *ucontrol)
1404 {
1405 	return skl_tplg_multi_config_set_get(kcontrol, ucontrol, true);
1406 }
1407 
1408 static int skl_tplg_multi_config_get_dmic(struct snd_kcontrol *kcontrol,
1409 					  struct snd_ctl_elem_value *ucontrol)
1410 {
1411 	return skl_tplg_multi_config_set_get(kcontrol, ucontrol, false);
1412 }
1413 
1414 static int skl_tplg_multi_config_set_dmic(struct snd_kcontrol *kcontrol,
1415 					  struct snd_ctl_elem_value *ucontrol)
1416 {
1417 	return skl_tplg_multi_config_set_get(kcontrol, ucontrol, true);
1418 }
1419 
1420 static int skl_tplg_tlv_control_get(struct snd_kcontrol *kcontrol,
1421 			unsigned int __user *data, unsigned int size)
1422 {
1423 	struct soc_bytes_ext *sb =
1424 			(struct soc_bytes_ext *)kcontrol->private_value;
1425 	struct skl_algo_data *bc = (struct skl_algo_data *)sb->dobj.private;
1426 	struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
1427 	struct skl_module_cfg *mconfig = w->priv;
1428 	struct skl_dev *skl = get_skl_ctx(w->dapm->dev);
1429 
1430 	if (w->power)
1431 		skl_get_module_params(skl, (u32 *)bc->params,
1432 				      bc->size, bc->param_id, mconfig);
1433 
1434 	/* decrement size for TLV header */
1435 	size -= 2 * sizeof(u32);
1436 
1437 	/* check size as we don't want to send kernel data */
1438 	if (size > bc->max)
1439 		size = bc->max;
1440 
1441 	if (bc->params) {
1442 		if (copy_to_user(data, &bc->param_id, sizeof(u32)))
1443 			return -EFAULT;
1444 		if (copy_to_user(data + 1, &size, sizeof(u32)))
1445 			return -EFAULT;
1446 		if (copy_to_user(data + 2, bc->params, size))
1447 			return -EFAULT;
1448 	}
1449 
1450 	return 0;
1451 }
1452 
1453 #define SKL_PARAM_VENDOR_ID 0xff
1454 
1455 static int skl_tplg_tlv_control_set(struct snd_kcontrol *kcontrol,
1456 			const unsigned int __user *data, unsigned int size)
1457 {
1458 	struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
1459 	struct skl_module_cfg *mconfig = w->priv;
1460 	struct soc_bytes_ext *sb =
1461 			(struct soc_bytes_ext *)kcontrol->private_value;
1462 	struct skl_algo_data *ac = (struct skl_algo_data *)sb->dobj.private;
1463 	struct skl_dev *skl = get_skl_ctx(w->dapm->dev);
1464 
1465 	if (ac->params) {
1466 		/*
1467 		 * Widget data is expected to be stripped of T and L
1468 		 */
1469 		size -= 2 * sizeof(unsigned int);
1470 		data += 2;
1471 
1472 		if (size > ac->max)
1473 			return -EINVAL;
1474 		ac->size = size;
1475 
1476 		if (copy_from_user(ac->params, data, size))
1477 			return -EFAULT;
1478 
1479 		if (w->power)
1480 			return skl_set_module_params(skl,
1481 						(u32 *)ac->params, ac->size,
1482 						ac->param_id, mconfig);
1483 	}
1484 
1485 	return 0;
1486 }
1487 
1488 static int skl_tplg_mic_control_get(struct snd_kcontrol *kcontrol,
1489 		struct snd_ctl_elem_value *ucontrol)
1490 {
1491 	struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
1492 	struct skl_module_cfg *mconfig = w->priv;
1493 	struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
1494 	u32 ch_type = *((u32 *)ec->dobj.private);
1495 
1496 	if (mconfig->dmic_ch_type == ch_type)
1497 		ucontrol->value.enumerated.item[0] =
1498 					mconfig->dmic_ch_combo_index;
1499 	else
1500 		ucontrol->value.enumerated.item[0] = 0;
1501 
1502 	return 0;
1503 }
1504 
1505 static int skl_fill_mic_sel_params(struct skl_module_cfg *mconfig,
1506 	struct skl_mic_sel_config *mic_cfg, struct device *dev)
1507 {
1508 	struct skl_specific_cfg *sp_cfg = &mconfig->formats_config;
1509 
1510 	sp_cfg->caps_size = sizeof(struct skl_mic_sel_config);
1511 	sp_cfg->set_params = SKL_PARAM_SET;
1512 	sp_cfg->param_id = 0x00;
1513 	if (!sp_cfg->caps) {
1514 		sp_cfg->caps = devm_kzalloc(dev, sp_cfg->caps_size, GFP_KERNEL);
1515 		if (!sp_cfg->caps)
1516 			return -ENOMEM;
1517 	}
1518 
1519 	mic_cfg->mic_switch = SKL_MIC_SEL_SWITCH;
1520 	mic_cfg->flags = 0;
1521 	memcpy(sp_cfg->caps, mic_cfg, sp_cfg->caps_size);
1522 
1523 	return 0;
1524 }
1525 
1526 static int skl_tplg_mic_control_set(struct snd_kcontrol *kcontrol,
1527 			struct snd_ctl_elem_value *ucontrol)
1528 {
1529 	struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol);
1530 	struct skl_module_cfg *mconfig = w->priv;
1531 	struct skl_mic_sel_config mic_cfg = {0};
1532 	struct soc_enum *ec = (struct soc_enum *)kcontrol->private_value;
1533 	u32 ch_type = *((u32 *)ec->dobj.private);
1534 	const int *list;
1535 	u8 in_ch, out_ch, index;
1536 
1537 	mconfig->dmic_ch_type = ch_type;
1538 	mconfig->dmic_ch_combo_index = ucontrol->value.enumerated.item[0];
1539 
1540 	/* enum control index 0 is INVALID, so no channels to be set */
1541 	if (mconfig->dmic_ch_combo_index == 0)
1542 		return 0;
1543 
1544 	/* No valid channel selection map for index 0, so offset by 1 */
1545 	index = mconfig->dmic_ch_combo_index - 1;
1546 
1547 	switch (ch_type) {
1548 	case SKL_CH_MONO:
1549 		if (mconfig->dmic_ch_combo_index > ARRAY_SIZE(mic_mono_list))
1550 			return -EINVAL;
1551 
1552 		list = &mic_mono_list[index];
1553 		break;
1554 
1555 	case SKL_CH_STEREO:
1556 		if (mconfig->dmic_ch_combo_index > ARRAY_SIZE(mic_stereo_list))
1557 			return -EINVAL;
1558 
1559 		list = mic_stereo_list[index];
1560 		break;
1561 
1562 	case SKL_CH_TRIO:
1563 		if (mconfig->dmic_ch_combo_index > ARRAY_SIZE(mic_trio_list))
1564 			return -EINVAL;
1565 
1566 		list = mic_trio_list[index];
1567 		break;
1568 
1569 	case SKL_CH_QUATRO:
1570 		if (mconfig->dmic_ch_combo_index > ARRAY_SIZE(mic_quatro_list))
1571 			return -EINVAL;
1572 
1573 		list = mic_quatro_list[index];
1574 		break;
1575 
1576 	default:
1577 		dev_err(w->dapm->dev,
1578 				"Invalid channel %d for mic_select module\n",
1579 				ch_type);
1580 		return -EINVAL;
1581 
1582 	}
1583 
1584 	/* channel type enum map to number of chanels for that type */
1585 	for (out_ch = 0; out_ch < ch_type; out_ch++) {
1586 		in_ch = list[out_ch];
1587 		mic_cfg.blob[out_ch][in_ch] = SKL_DEFAULT_MIC_SEL_GAIN;
1588 	}
1589 
1590 	return skl_fill_mic_sel_params(mconfig, &mic_cfg, w->dapm->dev);
1591 }
1592 
1593 /*
1594  * Fill the dma id for host and link. In case of passthrough
1595  * pipeline, this will both host and link in the same
1596  * pipeline, so need to copy the link and host based on dev_type
1597  */
1598 static void skl_tplg_fill_dma_id(struct skl_module_cfg *mcfg,
1599 				struct skl_pipe_params *params)
1600 {
1601 	struct skl_pipe *pipe = mcfg->pipe;
1602 
1603 	if (pipe->passthru) {
1604 		switch (mcfg->dev_type) {
1605 		case SKL_DEVICE_HDALINK:
1606 			pipe->p_params->link_dma_id = params->link_dma_id;
1607 			pipe->p_params->link_index = params->link_index;
1608 			pipe->p_params->link_bps = params->link_bps;
1609 			break;
1610 
1611 		case SKL_DEVICE_HDAHOST:
1612 			pipe->p_params->host_dma_id = params->host_dma_id;
1613 			pipe->p_params->host_bps = params->host_bps;
1614 			break;
1615 
1616 		default:
1617 			break;
1618 		}
1619 		pipe->p_params->s_fmt = params->s_fmt;
1620 		pipe->p_params->ch = params->ch;
1621 		pipe->p_params->s_freq = params->s_freq;
1622 		pipe->p_params->stream = params->stream;
1623 		pipe->p_params->format = params->format;
1624 
1625 	} else {
1626 		memcpy(pipe->p_params, params, sizeof(*params));
1627 	}
1628 }
1629 
1630 /*
1631  * The FE params are passed by hw_params of the DAI.
1632  * On hw_params, the params are stored in Gateway module of the FE and we
1633  * need to calculate the format in DSP module configuration, that
1634  * conversion is done here
1635  */
1636 int skl_tplg_update_pipe_params(struct device *dev,
1637 			struct skl_module_cfg *mconfig,
1638 			struct skl_pipe_params *params)
1639 {
1640 	struct skl_module_res *res = &mconfig->module->resources[0];
1641 	struct skl_dev *skl = get_skl_ctx(dev);
1642 	struct skl_module_fmt *format = NULL;
1643 	u8 cfg_idx = mconfig->pipe->cur_config_idx;
1644 
1645 	skl_tplg_fill_dma_id(mconfig, params);
1646 	mconfig->fmt_idx = mconfig->mod_cfg[cfg_idx].fmt_idx;
1647 	mconfig->res_idx = mconfig->mod_cfg[cfg_idx].res_idx;
1648 
1649 	if (skl->nr_modules)
1650 		return 0;
1651 
1652 	if (params->stream == SNDRV_PCM_STREAM_PLAYBACK)
1653 		format = &mconfig->module->formats[0].inputs[0].fmt;
1654 	else
1655 		format = &mconfig->module->formats[0].outputs[0].fmt;
1656 
1657 	/* set the hw_params */
1658 	format->s_freq = params->s_freq;
1659 	format->channels = params->ch;
1660 	format->valid_bit_depth = skl_get_bit_depth(params->s_fmt);
1661 
1662 	/*
1663 	 * 16 bit is 16 bit container whereas 24 bit is in 32 bit
1664 	 * container so update bit depth accordingly
1665 	 */
1666 	switch (format->valid_bit_depth) {
1667 	case SKL_DEPTH_16BIT:
1668 		format->bit_depth = format->valid_bit_depth;
1669 		break;
1670 
1671 	case SKL_DEPTH_24BIT:
1672 	case SKL_DEPTH_32BIT:
1673 		format->bit_depth = SKL_DEPTH_32BIT;
1674 		break;
1675 
1676 	default:
1677 		dev_err(dev, "Invalid bit depth %x for pipe\n",
1678 				format->valid_bit_depth);
1679 		return -EINVAL;
1680 	}
1681 
1682 	if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1683 		res->ibs = (format->s_freq / 1000) *
1684 				(format->channels) *
1685 				(format->bit_depth >> 3);
1686 	} else {
1687 		res->obs = (format->s_freq / 1000) *
1688 				(format->channels) *
1689 				(format->bit_depth >> 3);
1690 	}
1691 
1692 	return 0;
1693 }
1694 
1695 /*
1696  * Query the module config for the FE DAI
1697  * This is used to find the hw_params set for that DAI and apply to FE
1698  * pipeline
1699  */
1700 struct skl_module_cfg *
1701 skl_tplg_fe_get_cpr_module(struct snd_soc_dai *dai, int stream)
1702 {
1703 	struct snd_soc_dapm_widget *w;
1704 	struct snd_soc_dapm_path *p = NULL;
1705 
1706 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1707 		w = dai->playback_widget;
1708 		snd_soc_dapm_widget_for_each_sink_path(w, p) {
1709 			if (p->connect && p->sink->power &&
1710 				!is_skl_dsp_widget_type(p->sink, dai->dev))
1711 				continue;
1712 
1713 			if (p->sink->priv) {
1714 				dev_dbg(dai->dev, "set params for %s\n",
1715 						p->sink->name);
1716 				return p->sink->priv;
1717 			}
1718 		}
1719 	} else {
1720 		w = dai->capture_widget;
1721 		snd_soc_dapm_widget_for_each_source_path(w, p) {
1722 			if (p->connect && p->source->power &&
1723 				!is_skl_dsp_widget_type(p->source, dai->dev))
1724 				continue;
1725 
1726 			if (p->source->priv) {
1727 				dev_dbg(dai->dev, "set params for %s\n",
1728 						p->source->name);
1729 				return p->source->priv;
1730 			}
1731 		}
1732 	}
1733 
1734 	return NULL;
1735 }
1736 
1737 static struct skl_module_cfg *skl_get_mconfig_pb_cpr(
1738 		struct snd_soc_dai *dai, struct snd_soc_dapm_widget *w)
1739 {
1740 	struct snd_soc_dapm_path *p;
1741 	struct skl_module_cfg *mconfig = NULL;
1742 
1743 	snd_soc_dapm_widget_for_each_source_path(w, p) {
1744 		if (w->endpoints[SND_SOC_DAPM_DIR_OUT] > 0) {
1745 			if (p->connect &&
1746 				    (p->sink->id == snd_soc_dapm_aif_out) &&
1747 				    p->source->priv) {
1748 				mconfig = p->source->priv;
1749 				return mconfig;
1750 			}
1751 			mconfig = skl_get_mconfig_pb_cpr(dai, p->source);
1752 			if (mconfig)
1753 				return mconfig;
1754 		}
1755 	}
1756 	return mconfig;
1757 }
1758 
1759 static struct skl_module_cfg *skl_get_mconfig_cap_cpr(
1760 		struct snd_soc_dai *dai, struct snd_soc_dapm_widget *w)
1761 {
1762 	struct snd_soc_dapm_path *p;
1763 	struct skl_module_cfg *mconfig = NULL;
1764 
1765 	snd_soc_dapm_widget_for_each_sink_path(w, p) {
1766 		if (w->endpoints[SND_SOC_DAPM_DIR_IN] > 0) {
1767 			if (p->connect &&
1768 				    (p->source->id == snd_soc_dapm_aif_in) &&
1769 				    p->sink->priv) {
1770 				mconfig = p->sink->priv;
1771 				return mconfig;
1772 			}
1773 			mconfig = skl_get_mconfig_cap_cpr(dai, p->sink);
1774 			if (mconfig)
1775 				return mconfig;
1776 		}
1777 	}
1778 	return mconfig;
1779 }
1780 
1781 struct skl_module_cfg *
1782 skl_tplg_be_get_cpr_module(struct snd_soc_dai *dai, int stream)
1783 {
1784 	struct snd_soc_dapm_widget *w;
1785 	struct skl_module_cfg *mconfig;
1786 
1787 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
1788 		w = dai->playback_widget;
1789 		mconfig = skl_get_mconfig_pb_cpr(dai, w);
1790 	} else {
1791 		w = dai->capture_widget;
1792 		mconfig = skl_get_mconfig_cap_cpr(dai, w);
1793 	}
1794 	return mconfig;
1795 }
1796 
1797 static u8 skl_tplg_be_link_type(int dev_type)
1798 {
1799 	int ret;
1800 
1801 	switch (dev_type) {
1802 	case SKL_DEVICE_BT:
1803 		ret = NHLT_LINK_SSP;
1804 		break;
1805 
1806 	case SKL_DEVICE_DMIC:
1807 		ret = NHLT_LINK_DMIC;
1808 		break;
1809 
1810 	case SKL_DEVICE_I2S:
1811 		ret = NHLT_LINK_SSP;
1812 		break;
1813 
1814 	case SKL_DEVICE_HDALINK:
1815 		ret = NHLT_LINK_HDA;
1816 		break;
1817 
1818 	default:
1819 		ret = NHLT_LINK_INVALID;
1820 		break;
1821 	}
1822 
1823 	return ret;
1824 }
1825 
1826 /*
1827  * Fill the BE gateway parameters
1828  * The BE gateway expects a blob of parameters which are kept in the ACPI
1829  * NHLT blob, so query the blob for interface type (i2s/pdm) and instance.
1830  * The port can have multiple settings so pick based on the PCM
1831  * parameters
1832  */
1833 static int skl_tplg_be_fill_pipe_params(struct snd_soc_dai *dai,
1834 				struct skl_module_cfg *mconfig,
1835 				struct skl_pipe_params *params)
1836 {
1837 	struct nhlt_specific_cfg *cfg;
1838 	struct skl_dev *skl = get_skl_ctx(dai->dev);
1839 	int link_type = skl_tplg_be_link_type(mconfig->dev_type);
1840 	u8 dev_type = skl_tplg_be_dev_type(mconfig->dev_type);
1841 
1842 	skl_tplg_fill_dma_id(mconfig, params);
1843 
1844 	if (link_type == NHLT_LINK_HDA)
1845 		return 0;
1846 
1847 	/* update the blob based on virtual bus_id*/
1848 	cfg = skl_get_ep_blob(skl, mconfig->vbus_id, link_type,
1849 					params->s_fmt, params->ch,
1850 					params->s_freq, params->stream,
1851 					dev_type);
1852 	if (cfg) {
1853 		mconfig->formats_config.caps_size = cfg->size;
1854 		mconfig->formats_config.caps = (u32 *) &cfg->caps;
1855 	} else {
1856 		dev_err(dai->dev, "Blob NULL for id %x type %d dirn %d\n",
1857 					mconfig->vbus_id, link_type,
1858 					params->stream);
1859 		dev_err(dai->dev, "PCM: ch %d, freq %d, fmt %d\n",
1860 				 params->ch, params->s_freq, params->s_fmt);
1861 		return -EINVAL;
1862 	}
1863 
1864 	return 0;
1865 }
1866 
1867 static int skl_tplg_be_set_src_pipe_params(struct snd_soc_dai *dai,
1868 				struct snd_soc_dapm_widget *w,
1869 				struct skl_pipe_params *params)
1870 {
1871 	struct snd_soc_dapm_path *p;
1872 	int ret = -EIO;
1873 
1874 	snd_soc_dapm_widget_for_each_source_path(w, p) {
1875 		if (p->connect && is_skl_dsp_widget_type(p->source, dai->dev) &&
1876 						p->source->priv) {
1877 
1878 			ret = skl_tplg_be_fill_pipe_params(dai,
1879 						p->source->priv, params);
1880 			if (ret < 0)
1881 				return ret;
1882 		} else {
1883 			ret = skl_tplg_be_set_src_pipe_params(dai,
1884 						p->source, params);
1885 			if (ret < 0)
1886 				return ret;
1887 		}
1888 	}
1889 
1890 	return ret;
1891 }
1892 
1893 static int skl_tplg_be_set_sink_pipe_params(struct snd_soc_dai *dai,
1894 	struct snd_soc_dapm_widget *w, struct skl_pipe_params *params)
1895 {
1896 	struct snd_soc_dapm_path *p;
1897 	int ret = -EIO;
1898 
1899 	snd_soc_dapm_widget_for_each_sink_path(w, p) {
1900 		if (p->connect && is_skl_dsp_widget_type(p->sink, dai->dev) &&
1901 						p->sink->priv) {
1902 
1903 			ret = skl_tplg_be_fill_pipe_params(dai,
1904 						p->sink->priv, params);
1905 			if (ret < 0)
1906 				return ret;
1907 		} else {
1908 			ret = skl_tplg_be_set_sink_pipe_params(
1909 						dai, p->sink, params);
1910 			if (ret < 0)
1911 				return ret;
1912 		}
1913 	}
1914 
1915 	return ret;
1916 }
1917 
1918 /*
1919  * BE hw_params can be a source parameters (capture) or sink parameters
1920  * (playback). Based on sink and source we need to either find the source
1921  * list or the sink list and set the pipeline parameters
1922  */
1923 int skl_tplg_be_update_params(struct snd_soc_dai *dai,
1924 				struct skl_pipe_params *params)
1925 {
1926 	struct snd_soc_dapm_widget *w;
1927 
1928 	if (params->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1929 		w = dai->playback_widget;
1930 
1931 		return skl_tplg_be_set_src_pipe_params(dai, w, params);
1932 
1933 	} else {
1934 		w = dai->capture_widget;
1935 
1936 		return skl_tplg_be_set_sink_pipe_params(dai, w, params);
1937 	}
1938 
1939 	return 0;
1940 }
1941 
1942 static const struct snd_soc_tplg_widget_events skl_tplg_widget_ops[] = {
1943 	{SKL_MIXER_EVENT, skl_tplg_mixer_event},
1944 	{SKL_VMIXER_EVENT, skl_tplg_mixer_event},
1945 	{SKL_PGA_EVENT, skl_tplg_pga_event},
1946 };
1947 
1948 static const struct snd_soc_tplg_bytes_ext_ops skl_tlv_ops[] = {
1949 	{SKL_CONTROL_TYPE_BYTE_TLV, skl_tplg_tlv_control_get,
1950 					skl_tplg_tlv_control_set},
1951 };
1952 
1953 static const struct snd_soc_tplg_kcontrol_ops skl_tplg_kcontrol_ops[] = {
1954 	{
1955 		.id = SKL_CONTROL_TYPE_MIC_SELECT,
1956 		.get = skl_tplg_mic_control_get,
1957 		.put = skl_tplg_mic_control_set,
1958 	},
1959 	{
1960 		.id = SKL_CONTROL_TYPE_MULTI_IO_SELECT,
1961 		.get = skl_tplg_multi_config_get,
1962 		.put = skl_tplg_multi_config_set,
1963 	},
1964 	{
1965 		.id = SKL_CONTROL_TYPE_MULTI_IO_SELECT_DMIC,
1966 		.get = skl_tplg_multi_config_get_dmic,
1967 		.put = skl_tplg_multi_config_set_dmic,
1968 	}
1969 };
1970 
1971 static int skl_tplg_fill_pipe_cfg(struct device *dev,
1972 			struct skl_pipe *pipe, u32 tkn,
1973 			u32 tkn_val, int conf_idx, int dir)
1974 {
1975 	struct skl_pipe_fmt *fmt;
1976 	struct skl_path_config *config;
1977 
1978 	switch (dir) {
1979 	case SKL_DIR_IN:
1980 		fmt = &pipe->configs[conf_idx].in_fmt;
1981 		break;
1982 
1983 	case SKL_DIR_OUT:
1984 		fmt = &pipe->configs[conf_idx].out_fmt;
1985 		break;
1986 
1987 	default:
1988 		dev_err(dev, "Invalid direction: %d\n", dir);
1989 		return -EINVAL;
1990 	}
1991 
1992 	config = &pipe->configs[conf_idx];
1993 
1994 	switch (tkn) {
1995 	case SKL_TKN_U32_CFG_FREQ:
1996 		fmt->freq = tkn_val;
1997 		break;
1998 
1999 	case SKL_TKN_U8_CFG_CHAN:
2000 		fmt->channels = tkn_val;
2001 		break;
2002 
2003 	case SKL_TKN_U8_CFG_BPS:
2004 		fmt->bps = tkn_val;
2005 		break;
2006 
2007 	case SKL_TKN_U32_PATH_MEM_PGS:
2008 		config->mem_pages = tkn_val;
2009 		break;
2010 
2011 	default:
2012 		dev_err(dev, "Invalid token config: %d\n", tkn);
2013 		return -EINVAL;
2014 	}
2015 
2016 	return 0;
2017 }
2018 
2019 static int skl_tplg_fill_pipe_tkn(struct device *dev,
2020 			struct skl_pipe *pipe, u32 tkn,
2021 			u32 tkn_val)
2022 {
2023 
2024 	switch (tkn) {
2025 	case SKL_TKN_U32_PIPE_CONN_TYPE:
2026 		pipe->conn_type = tkn_val;
2027 		break;
2028 
2029 	case SKL_TKN_U32_PIPE_PRIORITY:
2030 		pipe->pipe_priority = tkn_val;
2031 		break;
2032 
2033 	case SKL_TKN_U32_PIPE_MEM_PGS:
2034 		pipe->memory_pages = tkn_val;
2035 		break;
2036 
2037 	case SKL_TKN_U32_PMODE:
2038 		pipe->lp_mode = tkn_val;
2039 		break;
2040 
2041 	case SKL_TKN_U32_PIPE_DIRECTION:
2042 		pipe->direction = tkn_val;
2043 		break;
2044 
2045 	case SKL_TKN_U32_NUM_CONFIGS:
2046 		pipe->nr_cfgs = tkn_val;
2047 		break;
2048 
2049 	default:
2050 		dev_err(dev, "Token not handled %d\n", tkn);
2051 		return -EINVAL;
2052 	}
2053 
2054 	return 0;
2055 }
2056 
2057 /*
2058  * Add pipeline by parsing the relevant tokens
2059  * Return an existing pipe if the pipe already exists.
2060  */
2061 static int skl_tplg_add_pipe(struct device *dev,
2062 		struct skl_module_cfg *mconfig, struct skl_dev *skl,
2063 		struct snd_soc_tplg_vendor_value_elem *tkn_elem)
2064 {
2065 	struct skl_pipeline *ppl;
2066 	struct skl_pipe *pipe;
2067 	struct skl_pipe_params *params;
2068 
2069 	list_for_each_entry(ppl, &skl->ppl_list, node) {
2070 		if (ppl->pipe->ppl_id == tkn_elem->value) {
2071 			mconfig->pipe = ppl->pipe;
2072 			return -EEXIST;
2073 		}
2074 	}
2075 
2076 	ppl = devm_kzalloc(dev, sizeof(*ppl), GFP_KERNEL);
2077 	if (!ppl)
2078 		return -ENOMEM;
2079 
2080 	pipe = devm_kzalloc(dev, sizeof(*pipe), GFP_KERNEL);
2081 	if (!pipe)
2082 		return -ENOMEM;
2083 
2084 	params = devm_kzalloc(dev, sizeof(*params), GFP_KERNEL);
2085 	if (!params)
2086 		return -ENOMEM;
2087 
2088 	pipe->p_params = params;
2089 	pipe->ppl_id = tkn_elem->value;
2090 	INIT_LIST_HEAD(&pipe->w_list);
2091 
2092 	ppl->pipe = pipe;
2093 	list_add(&ppl->node, &skl->ppl_list);
2094 
2095 	mconfig->pipe = pipe;
2096 	mconfig->pipe->state = SKL_PIPE_INVALID;
2097 
2098 	return 0;
2099 }
2100 
2101 static int skl_tplg_get_uuid(struct device *dev, guid_t *guid,
2102 	      struct snd_soc_tplg_vendor_uuid_elem *uuid_tkn)
2103 {
2104 	if (uuid_tkn->token == SKL_TKN_UUID) {
2105 		import_guid(guid, uuid_tkn->uuid);
2106 		return 0;
2107 	}
2108 
2109 	dev_err(dev, "Not an UUID token %d\n", uuid_tkn->token);
2110 
2111 	return -EINVAL;
2112 }
2113 
2114 static int skl_tplg_fill_pin(struct device *dev,
2115 			struct snd_soc_tplg_vendor_value_elem *tkn_elem,
2116 			struct skl_module_pin *m_pin,
2117 			int pin_index)
2118 {
2119 	int ret;
2120 
2121 	switch (tkn_elem->token) {
2122 	case SKL_TKN_U32_PIN_MOD_ID:
2123 		m_pin[pin_index].id.module_id = tkn_elem->value;
2124 		break;
2125 
2126 	case SKL_TKN_U32_PIN_INST_ID:
2127 		m_pin[pin_index].id.instance_id = tkn_elem->value;
2128 		break;
2129 
2130 	case SKL_TKN_UUID:
2131 		ret = skl_tplg_get_uuid(dev, &m_pin[pin_index].id.mod_uuid,
2132 			(struct snd_soc_tplg_vendor_uuid_elem *)tkn_elem);
2133 		if (ret < 0)
2134 			return ret;
2135 
2136 		break;
2137 
2138 	default:
2139 		dev_err(dev, "%d Not a pin token\n", tkn_elem->token);
2140 		return -EINVAL;
2141 	}
2142 
2143 	return 0;
2144 }
2145 
2146 /*
2147  * Parse for pin config specific tokens to fill up the
2148  * module private data
2149  */
2150 static int skl_tplg_fill_pins_info(struct device *dev,
2151 		struct skl_module_cfg *mconfig,
2152 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
2153 		int dir, int pin_count)
2154 {
2155 	int ret;
2156 	struct skl_module_pin *m_pin;
2157 
2158 	switch (dir) {
2159 	case SKL_DIR_IN:
2160 		m_pin = mconfig->m_in_pin;
2161 		break;
2162 
2163 	case SKL_DIR_OUT:
2164 		m_pin = mconfig->m_out_pin;
2165 		break;
2166 
2167 	default:
2168 		dev_err(dev, "Invalid direction value\n");
2169 		return -EINVAL;
2170 	}
2171 
2172 	ret = skl_tplg_fill_pin(dev, tkn_elem, m_pin, pin_count);
2173 	if (ret < 0)
2174 		return ret;
2175 
2176 	m_pin[pin_count].in_use = false;
2177 	m_pin[pin_count].pin_state = SKL_PIN_UNBIND;
2178 
2179 	return 0;
2180 }
2181 
2182 /*
2183  * Fill up input/output module config format based
2184  * on the direction
2185  */
2186 static int skl_tplg_fill_fmt(struct device *dev,
2187 		struct skl_module_fmt *dst_fmt,
2188 		u32 tkn, u32 value)
2189 {
2190 	switch (tkn) {
2191 	case SKL_TKN_U32_FMT_CH:
2192 		dst_fmt->channels  = value;
2193 		break;
2194 
2195 	case SKL_TKN_U32_FMT_FREQ:
2196 		dst_fmt->s_freq = value;
2197 		break;
2198 
2199 	case SKL_TKN_U32_FMT_BIT_DEPTH:
2200 		dst_fmt->bit_depth = value;
2201 		break;
2202 
2203 	case SKL_TKN_U32_FMT_SAMPLE_SIZE:
2204 		dst_fmt->valid_bit_depth = value;
2205 		break;
2206 
2207 	case SKL_TKN_U32_FMT_CH_CONFIG:
2208 		dst_fmt->ch_cfg = value;
2209 		break;
2210 
2211 	case SKL_TKN_U32_FMT_INTERLEAVE:
2212 		dst_fmt->interleaving_style = value;
2213 		break;
2214 
2215 	case SKL_TKN_U32_FMT_SAMPLE_TYPE:
2216 		dst_fmt->sample_type = value;
2217 		break;
2218 
2219 	case SKL_TKN_U32_FMT_CH_MAP:
2220 		dst_fmt->ch_map = value;
2221 		break;
2222 
2223 	default:
2224 		dev_err(dev, "Invalid token %d\n", tkn);
2225 		return -EINVAL;
2226 	}
2227 
2228 	return 0;
2229 }
2230 
2231 static int skl_tplg_widget_fill_fmt(struct device *dev,
2232 		struct skl_module_iface *fmt,
2233 		u32 tkn, u32 val, u32 dir, int fmt_idx)
2234 {
2235 	struct skl_module_fmt *dst_fmt;
2236 
2237 	if (!fmt)
2238 		return -EINVAL;
2239 
2240 	switch (dir) {
2241 	case SKL_DIR_IN:
2242 		dst_fmt = &fmt->inputs[fmt_idx].fmt;
2243 		break;
2244 
2245 	case SKL_DIR_OUT:
2246 		dst_fmt = &fmt->outputs[fmt_idx].fmt;
2247 		break;
2248 
2249 	default:
2250 		dev_err(dev, "Invalid direction: %d\n", dir);
2251 		return -EINVAL;
2252 	}
2253 
2254 	return skl_tplg_fill_fmt(dev, dst_fmt, tkn, val);
2255 }
2256 
2257 static void skl_tplg_fill_pin_dynamic_val(
2258 		struct skl_module_pin *mpin, u32 pin_count, u32 value)
2259 {
2260 	int i;
2261 
2262 	for (i = 0; i < pin_count; i++)
2263 		mpin[i].is_dynamic = value;
2264 }
2265 
2266 /*
2267  * Resource table in the manifest has pin specific resources
2268  * like pin and pin buffer size
2269  */
2270 static int skl_tplg_manifest_pin_res_tkn(struct device *dev,
2271 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
2272 		struct skl_module_res *res, int pin_idx, int dir)
2273 {
2274 	struct skl_module_pin_resources *m_pin;
2275 
2276 	switch (dir) {
2277 	case SKL_DIR_IN:
2278 		m_pin = &res->input[pin_idx];
2279 		break;
2280 
2281 	case SKL_DIR_OUT:
2282 		m_pin = &res->output[pin_idx];
2283 		break;
2284 
2285 	default:
2286 		dev_err(dev, "Invalid pin direction: %d\n", dir);
2287 		return -EINVAL;
2288 	}
2289 
2290 	switch (tkn_elem->token) {
2291 	case SKL_TKN_MM_U32_RES_PIN_ID:
2292 		m_pin->pin_index = tkn_elem->value;
2293 		break;
2294 
2295 	case SKL_TKN_MM_U32_PIN_BUF:
2296 		m_pin->buf_size = tkn_elem->value;
2297 		break;
2298 
2299 	default:
2300 		dev_err(dev, "Invalid token: %d\n", tkn_elem->token);
2301 		return -EINVAL;
2302 	}
2303 
2304 	return 0;
2305 }
2306 
2307 /*
2308  * Fill module specific resources from the manifest's resource
2309  * table like CPS, DMA size, mem_pages.
2310  */
2311 static int skl_tplg_fill_res_tkn(struct device *dev,
2312 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
2313 		struct skl_module_res *res,
2314 		int pin_idx, int dir)
2315 {
2316 	int ret, tkn_count = 0;
2317 
2318 	if (!res)
2319 		return -EINVAL;
2320 
2321 	switch (tkn_elem->token) {
2322 	case SKL_TKN_MM_U32_DMA_SIZE:
2323 		res->dma_buffer_size = tkn_elem->value;
2324 		break;
2325 
2326 	case SKL_TKN_MM_U32_CPC:
2327 		res->cpc = tkn_elem->value;
2328 		break;
2329 
2330 	case SKL_TKN_U32_MEM_PAGES:
2331 		res->is_pages = tkn_elem->value;
2332 		break;
2333 
2334 	case SKL_TKN_U32_OBS:
2335 		res->obs = tkn_elem->value;
2336 		break;
2337 
2338 	case SKL_TKN_U32_IBS:
2339 		res->ibs = tkn_elem->value;
2340 		break;
2341 
2342 	case SKL_TKN_MM_U32_RES_PIN_ID:
2343 	case SKL_TKN_MM_U32_PIN_BUF:
2344 		ret = skl_tplg_manifest_pin_res_tkn(dev, tkn_elem, res,
2345 						    pin_idx, dir);
2346 		if (ret < 0)
2347 			return ret;
2348 		break;
2349 
2350 	case SKL_TKN_MM_U32_CPS:
2351 	case SKL_TKN_U32_MAX_MCPS:
2352 		/* ignore unused tokens */
2353 		break;
2354 
2355 	default:
2356 		dev_err(dev, "Not a res type token: %d", tkn_elem->token);
2357 		return -EINVAL;
2358 
2359 	}
2360 	tkn_count++;
2361 
2362 	return tkn_count;
2363 }
2364 
2365 /*
2366  * Parse tokens to fill up the module private data
2367  */
2368 static int skl_tplg_get_token(struct device *dev,
2369 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
2370 		struct skl_dev *skl, struct skl_module_cfg *mconfig)
2371 {
2372 	int tkn_count = 0;
2373 	int ret;
2374 	static int is_pipe_exists;
2375 	static int pin_index, dir, conf_idx;
2376 	struct skl_module_iface *iface = NULL;
2377 	struct skl_module_res *res = NULL;
2378 	int res_idx = mconfig->res_idx;
2379 	int fmt_idx = mconfig->fmt_idx;
2380 
2381 	/*
2382 	 * If the manifest structure contains no modules, fill all
2383 	 * the module data to 0th index.
2384 	 * res_idx and fmt_idx are default set to 0.
2385 	 */
2386 	if (skl->nr_modules == 0) {
2387 		res = &mconfig->module->resources[res_idx];
2388 		iface = &mconfig->module->formats[fmt_idx];
2389 	}
2390 
2391 	if (tkn_elem->token > SKL_TKN_MAX)
2392 		return -EINVAL;
2393 
2394 	switch (tkn_elem->token) {
2395 	case SKL_TKN_U8_IN_QUEUE_COUNT:
2396 		mconfig->module->max_input_pins = tkn_elem->value;
2397 		break;
2398 
2399 	case SKL_TKN_U8_OUT_QUEUE_COUNT:
2400 		mconfig->module->max_output_pins = tkn_elem->value;
2401 		break;
2402 
2403 	case SKL_TKN_U8_DYN_IN_PIN:
2404 		if (!mconfig->m_in_pin)
2405 			mconfig->m_in_pin =
2406 				devm_kcalloc(dev, MAX_IN_QUEUE,
2407 					     sizeof(*mconfig->m_in_pin),
2408 					     GFP_KERNEL);
2409 		if (!mconfig->m_in_pin)
2410 			return -ENOMEM;
2411 
2412 		skl_tplg_fill_pin_dynamic_val(mconfig->m_in_pin, MAX_IN_QUEUE,
2413 					      tkn_elem->value);
2414 		break;
2415 
2416 	case SKL_TKN_U8_DYN_OUT_PIN:
2417 		if (!mconfig->m_out_pin)
2418 			mconfig->m_out_pin =
2419 				devm_kcalloc(dev, MAX_IN_QUEUE,
2420 					     sizeof(*mconfig->m_in_pin),
2421 					     GFP_KERNEL);
2422 		if (!mconfig->m_out_pin)
2423 			return -ENOMEM;
2424 
2425 		skl_tplg_fill_pin_dynamic_val(mconfig->m_out_pin, MAX_OUT_QUEUE,
2426 					      tkn_elem->value);
2427 		break;
2428 
2429 	case SKL_TKN_U8_TIME_SLOT:
2430 		mconfig->time_slot = tkn_elem->value;
2431 		break;
2432 
2433 	case SKL_TKN_U8_CORE_ID:
2434 		mconfig->core_id = tkn_elem->value;
2435 		break;
2436 
2437 	case SKL_TKN_U8_MOD_TYPE:
2438 		mconfig->m_type = tkn_elem->value;
2439 		break;
2440 
2441 	case SKL_TKN_U8_DEV_TYPE:
2442 		mconfig->dev_type = tkn_elem->value;
2443 		break;
2444 
2445 	case SKL_TKN_U8_HW_CONN_TYPE:
2446 		mconfig->hw_conn_type = tkn_elem->value;
2447 		break;
2448 
2449 	case SKL_TKN_U16_MOD_INST_ID:
2450 		mconfig->id.instance_id =
2451 		tkn_elem->value;
2452 		break;
2453 
2454 	case SKL_TKN_U32_MEM_PAGES:
2455 	case SKL_TKN_U32_MAX_MCPS:
2456 	case SKL_TKN_U32_OBS:
2457 	case SKL_TKN_U32_IBS:
2458 		ret = skl_tplg_fill_res_tkn(dev, tkn_elem, res, pin_index, dir);
2459 		if (ret < 0)
2460 			return ret;
2461 
2462 		break;
2463 
2464 	case SKL_TKN_U32_VBUS_ID:
2465 		mconfig->vbus_id = tkn_elem->value;
2466 		break;
2467 
2468 	case SKL_TKN_U32_PARAMS_FIXUP:
2469 		mconfig->params_fixup = tkn_elem->value;
2470 		break;
2471 
2472 	case SKL_TKN_U32_CONVERTER:
2473 		mconfig->converter = tkn_elem->value;
2474 		break;
2475 
2476 	case SKL_TKN_U32_D0I3_CAPS:
2477 		mconfig->d0i3_caps = tkn_elem->value;
2478 		break;
2479 
2480 	case SKL_TKN_U32_PIPE_ID:
2481 		ret = skl_tplg_add_pipe(dev,
2482 				mconfig, skl, tkn_elem);
2483 
2484 		if (ret < 0) {
2485 			if (ret == -EEXIST) {
2486 				is_pipe_exists = 1;
2487 				break;
2488 			}
2489 			return is_pipe_exists;
2490 		}
2491 
2492 		break;
2493 
2494 	case SKL_TKN_U32_PIPE_CONFIG_ID:
2495 		conf_idx = tkn_elem->value;
2496 		break;
2497 
2498 	case SKL_TKN_U32_PIPE_CONN_TYPE:
2499 	case SKL_TKN_U32_PIPE_PRIORITY:
2500 	case SKL_TKN_U32_PIPE_MEM_PGS:
2501 	case SKL_TKN_U32_PMODE:
2502 	case SKL_TKN_U32_PIPE_DIRECTION:
2503 	case SKL_TKN_U32_NUM_CONFIGS:
2504 		if (is_pipe_exists) {
2505 			ret = skl_tplg_fill_pipe_tkn(dev, mconfig->pipe,
2506 					tkn_elem->token, tkn_elem->value);
2507 			if (ret < 0)
2508 				return ret;
2509 		}
2510 
2511 		break;
2512 
2513 	case SKL_TKN_U32_PATH_MEM_PGS:
2514 	case SKL_TKN_U32_CFG_FREQ:
2515 	case SKL_TKN_U8_CFG_CHAN:
2516 	case SKL_TKN_U8_CFG_BPS:
2517 		if (mconfig->pipe->nr_cfgs) {
2518 			ret = skl_tplg_fill_pipe_cfg(dev, mconfig->pipe,
2519 					tkn_elem->token, tkn_elem->value,
2520 					conf_idx, dir);
2521 			if (ret < 0)
2522 				return ret;
2523 		}
2524 		break;
2525 
2526 	case SKL_TKN_CFG_MOD_RES_ID:
2527 		mconfig->mod_cfg[conf_idx].res_idx = tkn_elem->value;
2528 		break;
2529 
2530 	case SKL_TKN_CFG_MOD_FMT_ID:
2531 		mconfig->mod_cfg[conf_idx].fmt_idx = tkn_elem->value;
2532 		break;
2533 
2534 	/*
2535 	 * SKL_TKN_U32_DIR_PIN_COUNT token has the value for both
2536 	 * direction and the pin count. The first four bits represent
2537 	 * direction and next four the pin count.
2538 	 */
2539 	case SKL_TKN_U32_DIR_PIN_COUNT:
2540 		dir = tkn_elem->value & SKL_IN_DIR_BIT_MASK;
2541 		pin_index = (tkn_elem->value &
2542 			SKL_PIN_COUNT_MASK) >> 4;
2543 
2544 		break;
2545 
2546 	case SKL_TKN_U32_FMT_CH:
2547 	case SKL_TKN_U32_FMT_FREQ:
2548 	case SKL_TKN_U32_FMT_BIT_DEPTH:
2549 	case SKL_TKN_U32_FMT_SAMPLE_SIZE:
2550 	case SKL_TKN_U32_FMT_CH_CONFIG:
2551 	case SKL_TKN_U32_FMT_INTERLEAVE:
2552 	case SKL_TKN_U32_FMT_SAMPLE_TYPE:
2553 	case SKL_TKN_U32_FMT_CH_MAP:
2554 		ret = skl_tplg_widget_fill_fmt(dev, iface, tkn_elem->token,
2555 				tkn_elem->value, dir, pin_index);
2556 
2557 		if (ret < 0)
2558 			return ret;
2559 
2560 		break;
2561 
2562 	case SKL_TKN_U32_PIN_MOD_ID:
2563 	case SKL_TKN_U32_PIN_INST_ID:
2564 	case SKL_TKN_UUID:
2565 		ret = skl_tplg_fill_pins_info(dev,
2566 				mconfig, tkn_elem, dir,
2567 				pin_index);
2568 		if (ret < 0)
2569 			return ret;
2570 
2571 		break;
2572 
2573 	case SKL_TKN_U32_CAPS_SIZE:
2574 		mconfig->formats_config.caps_size =
2575 			tkn_elem->value;
2576 
2577 		break;
2578 
2579 	case SKL_TKN_U32_CAPS_SET_PARAMS:
2580 		mconfig->formats_config.set_params =
2581 				tkn_elem->value;
2582 		break;
2583 
2584 	case SKL_TKN_U32_CAPS_PARAMS_ID:
2585 		mconfig->formats_config.param_id =
2586 				tkn_elem->value;
2587 		break;
2588 
2589 	case SKL_TKN_U32_PROC_DOMAIN:
2590 		mconfig->domain =
2591 			tkn_elem->value;
2592 
2593 		break;
2594 
2595 	case SKL_TKN_U32_DMA_BUF_SIZE:
2596 		mconfig->dma_buffer_size = tkn_elem->value;
2597 		break;
2598 
2599 	case SKL_TKN_U8_IN_PIN_TYPE:
2600 	case SKL_TKN_U8_OUT_PIN_TYPE:
2601 	case SKL_TKN_U8_CONN_TYPE:
2602 		break;
2603 
2604 	default:
2605 		dev_err(dev, "Token %d not handled\n",
2606 				tkn_elem->token);
2607 		return -EINVAL;
2608 	}
2609 
2610 	tkn_count++;
2611 
2612 	return tkn_count;
2613 }
2614 
2615 /*
2616  * Parse the vendor array for specific tokens to construct
2617  * module private data
2618  */
2619 static int skl_tplg_get_tokens(struct device *dev,
2620 		char *pvt_data,	struct skl_dev *skl,
2621 		struct skl_module_cfg *mconfig, int block_size)
2622 {
2623 	struct snd_soc_tplg_vendor_array *array;
2624 	struct snd_soc_tplg_vendor_value_elem *tkn_elem;
2625 	int tkn_count = 0, ret;
2626 	int off = 0, tuple_size = 0;
2627 	bool is_module_guid = true;
2628 
2629 	if (block_size <= 0)
2630 		return -EINVAL;
2631 
2632 	while (tuple_size < block_size) {
2633 		array = (struct snd_soc_tplg_vendor_array *)(pvt_data + off);
2634 
2635 		off += array->size;
2636 
2637 		switch (array->type) {
2638 		case SND_SOC_TPLG_TUPLE_TYPE_STRING:
2639 			dev_warn(dev, "no string tokens expected for skl tplg\n");
2640 			continue;
2641 
2642 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
2643 			if (is_module_guid) {
2644 				ret = skl_tplg_get_uuid(dev, (guid_t *)mconfig->guid,
2645 							array->uuid);
2646 				is_module_guid = false;
2647 			} else {
2648 				ret = skl_tplg_get_token(dev, array->value, skl,
2649 							 mconfig);
2650 			}
2651 
2652 			if (ret < 0)
2653 				return ret;
2654 
2655 			tuple_size += sizeof(*array->uuid);
2656 
2657 			continue;
2658 
2659 		default:
2660 			tkn_elem = array->value;
2661 			tkn_count = 0;
2662 			break;
2663 		}
2664 
2665 		while (tkn_count <= (array->num_elems - 1)) {
2666 			ret = skl_tplg_get_token(dev, tkn_elem,
2667 					skl, mconfig);
2668 
2669 			if (ret < 0)
2670 				return ret;
2671 
2672 			tkn_count = tkn_count + ret;
2673 			tkn_elem++;
2674 		}
2675 
2676 		tuple_size += tkn_count * sizeof(*tkn_elem);
2677 	}
2678 
2679 	return off;
2680 }
2681 
2682 /*
2683  * Every data block is preceded by a descriptor to read the number
2684  * of data blocks, they type of the block and it's size
2685  */
2686 static int skl_tplg_get_desc_blocks(struct device *dev,
2687 		struct snd_soc_tplg_vendor_array *array)
2688 {
2689 	struct snd_soc_tplg_vendor_value_elem *tkn_elem;
2690 
2691 	tkn_elem = array->value;
2692 
2693 	switch (tkn_elem->token) {
2694 	case SKL_TKN_U8_NUM_BLOCKS:
2695 	case SKL_TKN_U8_BLOCK_TYPE:
2696 	case SKL_TKN_U16_BLOCK_SIZE:
2697 		return tkn_elem->value;
2698 
2699 	default:
2700 		dev_err(dev, "Invalid descriptor token %d\n", tkn_elem->token);
2701 		break;
2702 	}
2703 
2704 	return -EINVAL;
2705 }
2706 
2707 /* Functions to parse private data from configuration file format v4 */
2708 
2709 /*
2710  * Add pipeline from topology binary into driver pipeline list
2711  *
2712  * If already added we return that instance
2713  * Otherwise we create a new instance and add into driver list
2714  */
2715 static int skl_tplg_add_pipe_v4(struct device *dev,
2716 			struct skl_module_cfg *mconfig, struct skl_dev *skl,
2717 			struct skl_dfw_v4_pipe *dfw_pipe)
2718 {
2719 	struct skl_pipeline *ppl;
2720 	struct skl_pipe *pipe;
2721 	struct skl_pipe_params *params;
2722 
2723 	list_for_each_entry(ppl, &skl->ppl_list, node) {
2724 		if (ppl->pipe->ppl_id == dfw_pipe->pipe_id) {
2725 			mconfig->pipe = ppl->pipe;
2726 			return 0;
2727 		}
2728 	}
2729 
2730 	ppl = devm_kzalloc(dev, sizeof(*ppl), GFP_KERNEL);
2731 	if (!ppl)
2732 		return -ENOMEM;
2733 
2734 	pipe = devm_kzalloc(dev, sizeof(*pipe), GFP_KERNEL);
2735 	if (!pipe)
2736 		return -ENOMEM;
2737 
2738 	params = devm_kzalloc(dev, sizeof(*params), GFP_KERNEL);
2739 	if (!params)
2740 		return -ENOMEM;
2741 
2742 	pipe->ppl_id = dfw_pipe->pipe_id;
2743 	pipe->memory_pages = dfw_pipe->memory_pages;
2744 	pipe->pipe_priority = dfw_pipe->pipe_priority;
2745 	pipe->conn_type = dfw_pipe->conn_type;
2746 	pipe->state = SKL_PIPE_INVALID;
2747 	pipe->p_params = params;
2748 	INIT_LIST_HEAD(&pipe->w_list);
2749 
2750 	ppl->pipe = pipe;
2751 	list_add(&ppl->node, &skl->ppl_list);
2752 
2753 	mconfig->pipe = pipe;
2754 
2755 	return 0;
2756 }
2757 
2758 static void skl_fill_module_pin_info_v4(struct skl_dfw_v4_module_pin *dfw_pin,
2759 					struct skl_module_pin *m_pin,
2760 					bool is_dynamic, int max_pin)
2761 {
2762 	int i;
2763 
2764 	for (i = 0; i < max_pin; i++) {
2765 		m_pin[i].id.module_id = dfw_pin[i].module_id;
2766 		m_pin[i].id.instance_id = dfw_pin[i].instance_id;
2767 		m_pin[i].in_use = false;
2768 		m_pin[i].is_dynamic = is_dynamic;
2769 		m_pin[i].pin_state = SKL_PIN_UNBIND;
2770 	}
2771 }
2772 
2773 static void skl_tplg_fill_fmt_v4(struct skl_module_pin_fmt *dst_fmt,
2774 				 struct skl_dfw_v4_module_fmt *src_fmt,
2775 				 int pins)
2776 {
2777 	int i;
2778 
2779 	for (i = 0; i < pins; i++) {
2780 		dst_fmt[i].fmt.channels  = src_fmt[i].channels;
2781 		dst_fmt[i].fmt.s_freq = src_fmt[i].freq;
2782 		dst_fmt[i].fmt.bit_depth = src_fmt[i].bit_depth;
2783 		dst_fmt[i].fmt.valid_bit_depth = src_fmt[i].valid_bit_depth;
2784 		dst_fmt[i].fmt.ch_cfg = src_fmt[i].ch_cfg;
2785 		dst_fmt[i].fmt.ch_map = src_fmt[i].ch_map;
2786 		dst_fmt[i].fmt.interleaving_style =
2787 						src_fmt[i].interleaving_style;
2788 		dst_fmt[i].fmt.sample_type = src_fmt[i].sample_type;
2789 	}
2790 }
2791 
2792 static int skl_tplg_get_pvt_data_v4(struct snd_soc_tplg_dapm_widget *tplg_w,
2793 				    struct skl_dev *skl, struct device *dev,
2794 				    struct skl_module_cfg *mconfig)
2795 {
2796 	struct skl_dfw_v4_module *dfw =
2797 				(struct skl_dfw_v4_module *)tplg_w->priv.data;
2798 	int ret;
2799 
2800 	dev_dbg(dev, "Parsing Skylake v4 widget topology data\n");
2801 
2802 	ret = guid_parse(dfw->uuid, (guid_t *)mconfig->guid);
2803 	if (ret)
2804 		return ret;
2805 	mconfig->id.module_id = -1;
2806 	mconfig->id.instance_id = dfw->instance_id;
2807 	mconfig->module->resources[0].cpc = dfw->max_mcps / 1000;
2808 	mconfig->module->resources[0].ibs = dfw->ibs;
2809 	mconfig->module->resources[0].obs = dfw->obs;
2810 	mconfig->core_id = dfw->core_id;
2811 	mconfig->module->max_input_pins = dfw->max_in_queue;
2812 	mconfig->module->max_output_pins = dfw->max_out_queue;
2813 	mconfig->module->loadable = dfw->is_loadable;
2814 	skl_tplg_fill_fmt_v4(mconfig->module->formats[0].inputs, dfw->in_fmt,
2815 			     MAX_IN_QUEUE);
2816 	skl_tplg_fill_fmt_v4(mconfig->module->formats[0].outputs, dfw->out_fmt,
2817 			     MAX_OUT_QUEUE);
2818 
2819 	mconfig->params_fixup = dfw->params_fixup;
2820 	mconfig->converter = dfw->converter;
2821 	mconfig->m_type = dfw->module_type;
2822 	mconfig->vbus_id = dfw->vbus_id;
2823 	mconfig->module->resources[0].is_pages = dfw->mem_pages;
2824 
2825 	ret = skl_tplg_add_pipe_v4(dev, mconfig, skl, &dfw->pipe);
2826 	if (ret)
2827 		return ret;
2828 
2829 	mconfig->dev_type = dfw->dev_type;
2830 	mconfig->hw_conn_type = dfw->hw_conn_type;
2831 	mconfig->time_slot = dfw->time_slot;
2832 	mconfig->formats_config.caps_size = dfw->caps.caps_size;
2833 
2834 	mconfig->m_in_pin = devm_kcalloc(dev,
2835 				MAX_IN_QUEUE, sizeof(*mconfig->m_in_pin),
2836 				GFP_KERNEL);
2837 	if (!mconfig->m_in_pin)
2838 		return -ENOMEM;
2839 
2840 	mconfig->m_out_pin = devm_kcalloc(dev,
2841 				MAX_OUT_QUEUE, sizeof(*mconfig->m_out_pin),
2842 				GFP_KERNEL);
2843 	if (!mconfig->m_out_pin)
2844 		return -ENOMEM;
2845 
2846 	skl_fill_module_pin_info_v4(dfw->in_pin, mconfig->m_in_pin,
2847 				    dfw->is_dynamic_in_pin,
2848 				    mconfig->module->max_input_pins);
2849 	skl_fill_module_pin_info_v4(dfw->out_pin, mconfig->m_out_pin,
2850 				    dfw->is_dynamic_out_pin,
2851 				    mconfig->module->max_output_pins);
2852 
2853 	if (mconfig->formats_config.caps_size) {
2854 		mconfig->formats_config.set_params = dfw->caps.set_params;
2855 		mconfig->formats_config.param_id = dfw->caps.param_id;
2856 		mconfig->formats_config.caps =
2857 		devm_kzalloc(dev, mconfig->formats_config.caps_size,
2858 			     GFP_KERNEL);
2859 		if (!mconfig->formats_config.caps)
2860 			return -ENOMEM;
2861 		memcpy(mconfig->formats_config.caps, dfw->caps.caps,
2862 		       dfw->caps.caps_size);
2863 	}
2864 
2865 	return 0;
2866 }
2867 
2868 /*
2869  * Parse the private data for the token and corresponding value.
2870  * The private data can have multiple data blocks. So, a data block
2871  * is preceded by a descriptor for number of blocks and a descriptor
2872  * for the type and size of the suceeding data block.
2873  */
2874 static int skl_tplg_get_pvt_data(struct snd_soc_tplg_dapm_widget *tplg_w,
2875 				struct skl_dev *skl, struct device *dev,
2876 				struct skl_module_cfg *mconfig)
2877 {
2878 	struct snd_soc_tplg_vendor_array *array;
2879 	int num_blocks, block_size, block_type, off = 0;
2880 	char *data;
2881 	int ret;
2882 
2883 	/*
2884 	 * v4 configuration files have a valid UUID at the start of
2885 	 * the widget's private data.
2886 	 */
2887 	if (uuid_is_valid((char *)tplg_w->priv.data))
2888 		return skl_tplg_get_pvt_data_v4(tplg_w, skl, dev, mconfig);
2889 
2890 	/* Read the NUM_DATA_BLOCKS descriptor */
2891 	array = (struct snd_soc_tplg_vendor_array *)tplg_w->priv.data;
2892 	ret = skl_tplg_get_desc_blocks(dev, array);
2893 	if (ret < 0)
2894 		return ret;
2895 	num_blocks = ret;
2896 
2897 	off += array->size;
2898 	/* Read the BLOCK_TYPE and BLOCK_SIZE descriptor */
2899 	while (num_blocks > 0) {
2900 		array = (struct snd_soc_tplg_vendor_array *)
2901 				(tplg_w->priv.data + off);
2902 
2903 		ret = skl_tplg_get_desc_blocks(dev, array);
2904 
2905 		if (ret < 0)
2906 			return ret;
2907 		block_type = ret;
2908 		off += array->size;
2909 
2910 		array = (struct snd_soc_tplg_vendor_array *)
2911 			(tplg_w->priv.data + off);
2912 
2913 		ret = skl_tplg_get_desc_blocks(dev, array);
2914 
2915 		if (ret < 0)
2916 			return ret;
2917 		block_size = ret;
2918 		off += array->size;
2919 
2920 		array = (struct snd_soc_tplg_vendor_array *)
2921 			(tplg_w->priv.data + off);
2922 
2923 		data = (tplg_w->priv.data + off);
2924 
2925 		if (block_type == SKL_TYPE_TUPLE) {
2926 			ret = skl_tplg_get_tokens(dev, data,
2927 					skl, mconfig, block_size);
2928 
2929 			if (ret < 0)
2930 				return ret;
2931 
2932 			--num_blocks;
2933 		} else {
2934 			if (mconfig->formats_config.caps_size > 0)
2935 				memcpy(mconfig->formats_config.caps, data,
2936 					mconfig->formats_config.caps_size);
2937 			--num_blocks;
2938 			ret = mconfig->formats_config.caps_size;
2939 		}
2940 		off += ret;
2941 	}
2942 
2943 	return 0;
2944 }
2945 
2946 static void skl_clear_pin_config(struct snd_soc_component *component,
2947 				struct snd_soc_dapm_widget *w)
2948 {
2949 	int i;
2950 	struct skl_module_cfg *mconfig;
2951 	struct skl_pipe *pipe;
2952 
2953 	if (!strncmp(w->dapm->component->name, component->name,
2954 					strlen(component->name))) {
2955 		mconfig = w->priv;
2956 		pipe = mconfig->pipe;
2957 		for (i = 0; i < mconfig->module->max_input_pins; i++) {
2958 			mconfig->m_in_pin[i].in_use = false;
2959 			mconfig->m_in_pin[i].pin_state = SKL_PIN_UNBIND;
2960 		}
2961 		for (i = 0; i < mconfig->module->max_output_pins; i++) {
2962 			mconfig->m_out_pin[i].in_use = false;
2963 			mconfig->m_out_pin[i].pin_state = SKL_PIN_UNBIND;
2964 		}
2965 		pipe->state = SKL_PIPE_INVALID;
2966 		mconfig->m_state = SKL_MODULE_UNINIT;
2967 	}
2968 }
2969 
2970 void skl_cleanup_resources(struct skl_dev *skl)
2971 {
2972 	struct snd_soc_component *soc_component = skl->component;
2973 	struct snd_soc_dapm_widget *w;
2974 	struct snd_soc_card *card;
2975 
2976 	if (soc_component == NULL)
2977 		return;
2978 
2979 	card = soc_component->card;
2980 	if (!card || !card->instantiated)
2981 		return;
2982 
2983 	list_for_each_entry(w, &card->widgets, list) {
2984 		if (is_skl_dsp_widget_type(w, skl->dev) && w->priv != NULL)
2985 			skl_clear_pin_config(soc_component, w);
2986 	}
2987 
2988 	skl_clear_module_cnt(skl->dsp);
2989 }
2990 
2991 /*
2992  * Topology core widget load callback
2993  *
2994  * This is used to save the private data for each widget which gives
2995  * information to the driver about module and pipeline parameters which DSP
2996  * FW expects like ids, resource values, formats etc
2997  */
2998 static int skl_tplg_widget_load(struct snd_soc_component *cmpnt, int index,
2999 				struct snd_soc_dapm_widget *w,
3000 				struct snd_soc_tplg_dapm_widget *tplg_w)
3001 {
3002 	int ret;
3003 	struct hdac_bus *bus = snd_soc_component_get_drvdata(cmpnt);
3004 	struct skl_dev *skl = bus_to_skl(bus);
3005 	struct skl_module_cfg *mconfig;
3006 
3007 	if (!tplg_w->priv.size)
3008 		goto bind_event;
3009 
3010 	mconfig = devm_kzalloc(bus->dev, sizeof(*mconfig), GFP_KERNEL);
3011 
3012 	if (!mconfig)
3013 		return -ENOMEM;
3014 
3015 	if (skl->nr_modules == 0) {
3016 		mconfig->module = devm_kzalloc(bus->dev,
3017 				sizeof(*mconfig->module), GFP_KERNEL);
3018 		if (!mconfig->module)
3019 			return -ENOMEM;
3020 	}
3021 
3022 	w->priv = mconfig;
3023 
3024 	/*
3025 	 * module binary can be loaded later, so set it to query when
3026 	 * module is load for a use case
3027 	 */
3028 	mconfig->id.module_id = -1;
3029 
3030 	/* Parse private data for tuples */
3031 	ret = skl_tplg_get_pvt_data(tplg_w, skl, bus->dev, mconfig);
3032 	if (ret < 0)
3033 		return ret;
3034 
3035 	skl_debug_init_module(skl->debugfs, w, mconfig);
3036 
3037 bind_event:
3038 	if (tplg_w->event_type == 0) {
3039 		dev_dbg(bus->dev, "ASoC: No event handler required\n");
3040 		return 0;
3041 	}
3042 
3043 	ret = snd_soc_tplg_widget_bind_event(w, skl_tplg_widget_ops,
3044 					ARRAY_SIZE(skl_tplg_widget_ops),
3045 					tplg_w->event_type);
3046 
3047 	if (ret) {
3048 		dev_err(bus->dev, "%s: No matching event handlers found for %d\n",
3049 					__func__, tplg_w->event_type);
3050 		return -EINVAL;
3051 	}
3052 
3053 	return 0;
3054 }
3055 
3056 static int skl_init_algo_data(struct device *dev, struct soc_bytes_ext *be,
3057 					struct snd_soc_tplg_bytes_control *bc)
3058 {
3059 	struct skl_algo_data *ac;
3060 	struct skl_dfw_algo_data *dfw_ac =
3061 				(struct skl_dfw_algo_data *)bc->priv.data;
3062 
3063 	ac = devm_kzalloc(dev, sizeof(*ac), GFP_KERNEL);
3064 	if (!ac)
3065 		return -ENOMEM;
3066 
3067 	/* Fill private data */
3068 	ac->max = dfw_ac->max;
3069 	ac->param_id = dfw_ac->param_id;
3070 	ac->set_params = dfw_ac->set_params;
3071 	ac->size = dfw_ac->max;
3072 
3073 	if (ac->max) {
3074 		ac->params = devm_kzalloc(dev, ac->max, GFP_KERNEL);
3075 		if (!ac->params)
3076 			return -ENOMEM;
3077 
3078 		memcpy(ac->params, dfw_ac->params, ac->max);
3079 	}
3080 
3081 	be->dobj.private  = ac;
3082 	return 0;
3083 }
3084 
3085 static int skl_init_enum_data(struct device *dev, struct soc_enum *se,
3086 				struct snd_soc_tplg_enum_control *ec)
3087 {
3088 
3089 	void *data;
3090 
3091 	if (ec->priv.size) {
3092 		data = devm_kzalloc(dev, sizeof(ec->priv.size), GFP_KERNEL);
3093 		if (!data)
3094 			return -ENOMEM;
3095 		memcpy(data, ec->priv.data, ec->priv.size);
3096 		se->dobj.private = data;
3097 	}
3098 
3099 	return 0;
3100 
3101 }
3102 
3103 static int skl_tplg_control_load(struct snd_soc_component *cmpnt,
3104 				int index,
3105 				struct snd_kcontrol_new *kctl,
3106 				struct snd_soc_tplg_ctl_hdr *hdr)
3107 {
3108 	struct soc_bytes_ext *sb;
3109 	struct snd_soc_tplg_bytes_control *tplg_bc;
3110 	struct snd_soc_tplg_enum_control *tplg_ec;
3111 	struct hdac_bus *bus  = snd_soc_component_get_drvdata(cmpnt);
3112 	struct soc_enum *se;
3113 
3114 	switch (hdr->ops.info) {
3115 	case SND_SOC_TPLG_CTL_BYTES:
3116 		tplg_bc = container_of(hdr,
3117 				struct snd_soc_tplg_bytes_control, hdr);
3118 		if (kctl->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
3119 			sb = (struct soc_bytes_ext *)kctl->private_value;
3120 			if (tplg_bc->priv.size)
3121 				return skl_init_algo_data(
3122 						bus->dev, sb, tplg_bc);
3123 		}
3124 		break;
3125 
3126 	case SND_SOC_TPLG_CTL_ENUM:
3127 		tplg_ec = container_of(hdr,
3128 				struct snd_soc_tplg_enum_control, hdr);
3129 		if (kctl->access & SNDRV_CTL_ELEM_ACCESS_READ) {
3130 			se = (struct soc_enum *)kctl->private_value;
3131 			if (tplg_ec->priv.size)
3132 				skl_init_enum_data(bus->dev, se, tplg_ec);
3133 		}
3134 
3135 		/*
3136 		 * now that the control initializations are done, remove
3137 		 * write permission for the DMIC configuration enums to
3138 		 * avoid conflicts between NHLT settings and user interaction
3139 		 */
3140 
3141 		if (hdr->ops.get == SKL_CONTROL_TYPE_MULTI_IO_SELECT_DMIC)
3142 			kctl->access = SNDRV_CTL_ELEM_ACCESS_READ;
3143 
3144 		break;
3145 
3146 	default:
3147 		dev_dbg(bus->dev, "Control load not supported %d:%d:%d\n",
3148 			hdr->ops.get, hdr->ops.put, hdr->ops.info);
3149 		break;
3150 	}
3151 
3152 	return 0;
3153 }
3154 
3155 static int skl_tplg_fill_str_mfest_tkn(struct device *dev,
3156 		struct snd_soc_tplg_vendor_string_elem *str_elem,
3157 		struct skl_dev *skl)
3158 {
3159 	int tkn_count = 0;
3160 	static int ref_count;
3161 
3162 	switch (str_elem->token) {
3163 	case SKL_TKN_STR_LIB_NAME:
3164 		if (ref_count > skl->lib_count - 1) {
3165 			ref_count = 0;
3166 			return -EINVAL;
3167 		}
3168 
3169 		strncpy(skl->lib_info[ref_count].name,
3170 			str_elem->string,
3171 			ARRAY_SIZE(skl->lib_info[ref_count].name));
3172 		ref_count++;
3173 		break;
3174 
3175 	default:
3176 		dev_err(dev, "Not a string token %d\n", str_elem->token);
3177 		break;
3178 	}
3179 	tkn_count++;
3180 
3181 	return tkn_count;
3182 }
3183 
3184 static int skl_tplg_get_str_tkn(struct device *dev,
3185 		struct snd_soc_tplg_vendor_array *array,
3186 		struct skl_dev *skl)
3187 {
3188 	int tkn_count = 0, ret;
3189 	struct snd_soc_tplg_vendor_string_elem *str_elem;
3190 
3191 	str_elem = (struct snd_soc_tplg_vendor_string_elem *)array->value;
3192 	while (tkn_count < array->num_elems) {
3193 		ret = skl_tplg_fill_str_mfest_tkn(dev, str_elem, skl);
3194 		str_elem++;
3195 
3196 		if (ret < 0)
3197 			return ret;
3198 
3199 		tkn_count = tkn_count + ret;
3200 	}
3201 
3202 	return tkn_count;
3203 }
3204 
3205 static int skl_tplg_manifest_fill_fmt(struct device *dev,
3206 		struct skl_module_iface *fmt,
3207 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
3208 		u32 dir, int fmt_idx)
3209 {
3210 	struct skl_module_pin_fmt *dst_fmt;
3211 	struct skl_module_fmt *mod_fmt;
3212 	int ret;
3213 
3214 	if (!fmt)
3215 		return -EINVAL;
3216 
3217 	switch (dir) {
3218 	case SKL_DIR_IN:
3219 		dst_fmt = &fmt->inputs[fmt_idx];
3220 		break;
3221 
3222 	case SKL_DIR_OUT:
3223 		dst_fmt = &fmt->outputs[fmt_idx];
3224 		break;
3225 
3226 	default:
3227 		dev_err(dev, "Invalid direction: %d\n", dir);
3228 		return -EINVAL;
3229 	}
3230 
3231 	mod_fmt = &dst_fmt->fmt;
3232 
3233 	switch (tkn_elem->token) {
3234 	case SKL_TKN_MM_U32_INTF_PIN_ID:
3235 		dst_fmt->id = tkn_elem->value;
3236 		break;
3237 
3238 	default:
3239 		ret = skl_tplg_fill_fmt(dev, mod_fmt, tkn_elem->token,
3240 					tkn_elem->value);
3241 		if (ret < 0)
3242 			return ret;
3243 		break;
3244 	}
3245 
3246 	return 0;
3247 }
3248 
3249 static int skl_tplg_fill_mod_info(struct device *dev,
3250 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
3251 		struct skl_module *mod)
3252 {
3253 
3254 	if (!mod)
3255 		return -EINVAL;
3256 
3257 	switch (tkn_elem->token) {
3258 	case SKL_TKN_U8_IN_PIN_TYPE:
3259 		mod->input_pin_type = tkn_elem->value;
3260 		break;
3261 
3262 	case SKL_TKN_U8_OUT_PIN_TYPE:
3263 		mod->output_pin_type = tkn_elem->value;
3264 		break;
3265 
3266 	case SKL_TKN_U8_IN_QUEUE_COUNT:
3267 		mod->max_input_pins = tkn_elem->value;
3268 		break;
3269 
3270 	case SKL_TKN_U8_OUT_QUEUE_COUNT:
3271 		mod->max_output_pins = tkn_elem->value;
3272 		break;
3273 
3274 	case SKL_TKN_MM_U8_NUM_RES:
3275 		mod->nr_resources = tkn_elem->value;
3276 		break;
3277 
3278 	case SKL_TKN_MM_U8_NUM_INTF:
3279 		mod->nr_interfaces = tkn_elem->value;
3280 		break;
3281 
3282 	default:
3283 		dev_err(dev, "Invalid mod info token %d", tkn_elem->token);
3284 		return -EINVAL;
3285 	}
3286 
3287 	return 0;
3288 }
3289 
3290 
3291 static int skl_tplg_get_int_tkn(struct device *dev,
3292 		struct snd_soc_tplg_vendor_value_elem *tkn_elem,
3293 		struct skl_dev *skl)
3294 {
3295 	int tkn_count = 0, ret;
3296 	static int mod_idx, res_val_idx, intf_val_idx, dir, pin_idx;
3297 	struct skl_module_res *res = NULL;
3298 	struct skl_module_iface *fmt = NULL;
3299 	struct skl_module *mod = NULL;
3300 	static struct skl_astate_param *astate_table;
3301 	static int astate_cfg_idx, count;
3302 	int i;
3303 	size_t size;
3304 
3305 	if (skl->modules) {
3306 		mod = skl->modules[mod_idx];
3307 		res = &mod->resources[res_val_idx];
3308 		fmt = &mod->formats[intf_val_idx];
3309 	}
3310 
3311 	switch (tkn_elem->token) {
3312 	case SKL_TKN_U32_LIB_COUNT:
3313 		skl->lib_count = tkn_elem->value;
3314 		break;
3315 
3316 	case SKL_TKN_U8_NUM_MOD:
3317 		skl->nr_modules = tkn_elem->value;
3318 		skl->modules = devm_kcalloc(dev, skl->nr_modules,
3319 				sizeof(*skl->modules), GFP_KERNEL);
3320 		if (!skl->modules)
3321 			return -ENOMEM;
3322 
3323 		for (i = 0; i < skl->nr_modules; i++) {
3324 			skl->modules[i] = devm_kzalloc(dev,
3325 					sizeof(struct skl_module), GFP_KERNEL);
3326 			if (!skl->modules[i])
3327 				return -ENOMEM;
3328 		}
3329 		break;
3330 
3331 	case SKL_TKN_MM_U8_MOD_IDX:
3332 		mod_idx = tkn_elem->value;
3333 		break;
3334 
3335 	case SKL_TKN_U32_ASTATE_COUNT:
3336 		if (astate_table != NULL) {
3337 			dev_err(dev, "More than one entry for A-State count");
3338 			return -EINVAL;
3339 		}
3340 
3341 		if (tkn_elem->value > SKL_MAX_ASTATE_CFG) {
3342 			dev_err(dev, "Invalid A-State count %d\n",
3343 				tkn_elem->value);
3344 			return -EINVAL;
3345 		}
3346 
3347 		size = struct_size(skl->cfg.astate_cfg, astate_table,
3348 				   tkn_elem->value);
3349 		skl->cfg.astate_cfg = devm_kzalloc(dev, size, GFP_KERNEL);
3350 		if (!skl->cfg.astate_cfg)
3351 			return -ENOMEM;
3352 
3353 		astate_table = skl->cfg.astate_cfg->astate_table;
3354 		count = skl->cfg.astate_cfg->count = tkn_elem->value;
3355 		break;
3356 
3357 	case SKL_TKN_U32_ASTATE_IDX:
3358 		if (tkn_elem->value >= count) {
3359 			dev_err(dev, "Invalid A-State index %d\n",
3360 				tkn_elem->value);
3361 			return -EINVAL;
3362 		}
3363 
3364 		astate_cfg_idx = tkn_elem->value;
3365 		break;
3366 
3367 	case SKL_TKN_U32_ASTATE_KCPS:
3368 		astate_table[astate_cfg_idx].kcps = tkn_elem->value;
3369 		break;
3370 
3371 	case SKL_TKN_U32_ASTATE_CLK_SRC:
3372 		astate_table[astate_cfg_idx].clk_src = tkn_elem->value;
3373 		break;
3374 
3375 	case SKL_TKN_U8_IN_PIN_TYPE:
3376 	case SKL_TKN_U8_OUT_PIN_TYPE:
3377 	case SKL_TKN_U8_IN_QUEUE_COUNT:
3378 	case SKL_TKN_U8_OUT_QUEUE_COUNT:
3379 	case SKL_TKN_MM_U8_NUM_RES:
3380 	case SKL_TKN_MM_U8_NUM_INTF:
3381 		ret = skl_tplg_fill_mod_info(dev, tkn_elem, mod);
3382 		if (ret < 0)
3383 			return ret;
3384 		break;
3385 
3386 	case SKL_TKN_U32_DIR_PIN_COUNT:
3387 		dir = tkn_elem->value & SKL_IN_DIR_BIT_MASK;
3388 		pin_idx = (tkn_elem->value & SKL_PIN_COUNT_MASK) >> 4;
3389 		break;
3390 
3391 	case SKL_TKN_MM_U32_RES_ID:
3392 		if (!res)
3393 			return -EINVAL;
3394 
3395 		res->id = tkn_elem->value;
3396 		res_val_idx = tkn_elem->value;
3397 		break;
3398 
3399 	case SKL_TKN_MM_U32_FMT_ID:
3400 		if (!fmt)
3401 			return -EINVAL;
3402 
3403 		fmt->fmt_idx = tkn_elem->value;
3404 		intf_val_idx = tkn_elem->value;
3405 		break;
3406 
3407 	case SKL_TKN_MM_U32_CPS:
3408 	case SKL_TKN_MM_U32_DMA_SIZE:
3409 	case SKL_TKN_MM_U32_CPC:
3410 	case SKL_TKN_U32_MEM_PAGES:
3411 	case SKL_TKN_U32_OBS:
3412 	case SKL_TKN_U32_IBS:
3413 	case SKL_TKN_MM_U32_RES_PIN_ID:
3414 	case SKL_TKN_MM_U32_PIN_BUF:
3415 		ret = skl_tplg_fill_res_tkn(dev, tkn_elem, res, pin_idx, dir);
3416 		if (ret < 0)
3417 			return ret;
3418 
3419 		break;
3420 
3421 	case SKL_TKN_MM_U32_NUM_IN_FMT:
3422 		if (!fmt)
3423 			return -EINVAL;
3424 
3425 		res->nr_input_pins = tkn_elem->value;
3426 		break;
3427 
3428 	case SKL_TKN_MM_U32_NUM_OUT_FMT:
3429 		if (!fmt)
3430 			return -EINVAL;
3431 
3432 		res->nr_output_pins = tkn_elem->value;
3433 		break;
3434 
3435 	case SKL_TKN_U32_FMT_CH:
3436 	case SKL_TKN_U32_FMT_FREQ:
3437 	case SKL_TKN_U32_FMT_BIT_DEPTH:
3438 	case SKL_TKN_U32_FMT_SAMPLE_SIZE:
3439 	case SKL_TKN_U32_FMT_CH_CONFIG:
3440 	case SKL_TKN_U32_FMT_INTERLEAVE:
3441 	case SKL_TKN_U32_FMT_SAMPLE_TYPE:
3442 	case SKL_TKN_U32_FMT_CH_MAP:
3443 	case SKL_TKN_MM_U32_INTF_PIN_ID:
3444 		ret = skl_tplg_manifest_fill_fmt(dev, fmt, tkn_elem,
3445 						 dir, pin_idx);
3446 		if (ret < 0)
3447 			return ret;
3448 		break;
3449 
3450 	default:
3451 		dev_err(dev, "Not a manifest token %d\n", tkn_elem->token);
3452 		return -EINVAL;
3453 	}
3454 	tkn_count++;
3455 
3456 	return tkn_count;
3457 }
3458 
3459 /*
3460  * Fill the manifest structure by parsing the tokens based on the
3461  * type.
3462  */
3463 static int skl_tplg_get_manifest_tkn(struct device *dev,
3464 		char *pvt_data, struct skl_dev *skl,
3465 		int block_size)
3466 {
3467 	int tkn_count = 0, ret;
3468 	int off = 0, tuple_size = 0;
3469 	u8 uuid_index = 0;
3470 	struct snd_soc_tplg_vendor_array *array;
3471 	struct snd_soc_tplg_vendor_value_elem *tkn_elem;
3472 
3473 	if (block_size <= 0)
3474 		return -EINVAL;
3475 
3476 	while (tuple_size < block_size) {
3477 		array = (struct snd_soc_tplg_vendor_array *)(pvt_data + off);
3478 		off += array->size;
3479 		switch (array->type) {
3480 		case SND_SOC_TPLG_TUPLE_TYPE_STRING:
3481 			ret = skl_tplg_get_str_tkn(dev, array, skl);
3482 
3483 			if (ret < 0)
3484 				return ret;
3485 			tkn_count = ret;
3486 
3487 			tuple_size += tkn_count *
3488 				sizeof(struct snd_soc_tplg_vendor_string_elem);
3489 			continue;
3490 
3491 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
3492 			if (array->uuid->token != SKL_TKN_UUID) {
3493 				dev_err(dev, "Not an UUID token: %d\n",
3494 					array->uuid->token);
3495 				return -EINVAL;
3496 			}
3497 			if (uuid_index >= skl->nr_modules) {
3498 				dev_err(dev, "Too many UUID tokens\n");
3499 				return -EINVAL;
3500 			}
3501 			import_guid(&skl->modules[uuid_index++]->uuid,
3502 				    array->uuid->uuid);
3503 
3504 			tuple_size += sizeof(*array->uuid);
3505 			continue;
3506 
3507 		default:
3508 			tkn_elem = array->value;
3509 			tkn_count = 0;
3510 			break;
3511 		}
3512 
3513 		while (tkn_count <= array->num_elems - 1) {
3514 			ret = skl_tplg_get_int_tkn(dev,
3515 					tkn_elem, skl);
3516 			if (ret < 0)
3517 				return ret;
3518 
3519 			tkn_count = tkn_count + ret;
3520 			tkn_elem++;
3521 		}
3522 		tuple_size += (tkn_count * sizeof(*tkn_elem));
3523 		tkn_count = 0;
3524 	}
3525 
3526 	return off;
3527 }
3528 
3529 /*
3530  * Parse manifest private data for tokens. The private data block is
3531  * preceded by descriptors for type and size of data block.
3532  */
3533 static int skl_tplg_get_manifest_data(struct snd_soc_tplg_manifest *manifest,
3534 			struct device *dev, struct skl_dev *skl)
3535 {
3536 	struct snd_soc_tplg_vendor_array *array;
3537 	int num_blocks, block_size = 0, block_type, off = 0;
3538 	char *data;
3539 	int ret;
3540 
3541 	/* Read the NUM_DATA_BLOCKS descriptor */
3542 	array = (struct snd_soc_tplg_vendor_array *)manifest->priv.data;
3543 	ret = skl_tplg_get_desc_blocks(dev, array);
3544 	if (ret < 0)
3545 		return ret;
3546 	num_blocks = ret;
3547 
3548 	off += array->size;
3549 	/* Read the BLOCK_TYPE and BLOCK_SIZE descriptor */
3550 	while (num_blocks > 0) {
3551 		array = (struct snd_soc_tplg_vendor_array *)
3552 				(manifest->priv.data + off);
3553 		ret = skl_tplg_get_desc_blocks(dev, array);
3554 
3555 		if (ret < 0)
3556 			return ret;
3557 		block_type = ret;
3558 		off += array->size;
3559 
3560 		array = (struct snd_soc_tplg_vendor_array *)
3561 			(manifest->priv.data + off);
3562 
3563 		ret = skl_tplg_get_desc_blocks(dev, array);
3564 
3565 		if (ret < 0)
3566 			return ret;
3567 		block_size = ret;
3568 		off += array->size;
3569 
3570 		array = (struct snd_soc_tplg_vendor_array *)
3571 			(manifest->priv.data + off);
3572 
3573 		data = (manifest->priv.data + off);
3574 
3575 		if (block_type == SKL_TYPE_TUPLE) {
3576 			ret = skl_tplg_get_manifest_tkn(dev, data, skl,
3577 					block_size);
3578 
3579 			if (ret < 0)
3580 				return ret;
3581 
3582 			--num_blocks;
3583 		} else {
3584 			return -EINVAL;
3585 		}
3586 		off += ret;
3587 	}
3588 
3589 	return 0;
3590 }
3591 
3592 static int skl_manifest_load(struct snd_soc_component *cmpnt, int index,
3593 				struct snd_soc_tplg_manifest *manifest)
3594 {
3595 	struct hdac_bus *bus = snd_soc_component_get_drvdata(cmpnt);
3596 	struct skl_dev *skl = bus_to_skl(bus);
3597 
3598 	/* proceed only if we have private data defined */
3599 	if (manifest->priv.size == 0)
3600 		return 0;
3601 
3602 	skl_tplg_get_manifest_data(manifest, bus->dev, skl);
3603 
3604 	if (skl->lib_count > SKL_MAX_LIB) {
3605 		dev_err(bus->dev, "Exceeding max Library count. Got:%d\n",
3606 					skl->lib_count);
3607 		return  -EINVAL;
3608 	}
3609 
3610 	return 0;
3611 }
3612 
3613 static void skl_tplg_complete(struct snd_soc_component *component)
3614 {
3615 	struct snd_soc_dobj *dobj;
3616 	struct snd_soc_acpi_mach *mach;
3617 	struct snd_ctl_elem_value *val;
3618 	int i;
3619 
3620 	val = kmalloc(sizeof(*val), GFP_KERNEL);
3621 	if (!val)
3622 		return;
3623 
3624 	mach = dev_get_platdata(component->card->dev);
3625 	list_for_each_entry(dobj, &component->dobj_list, list) {
3626 		struct snd_kcontrol *kcontrol = dobj->control.kcontrol;
3627 		struct soc_enum *se;
3628 		char **texts;
3629 		char chan_text[4];
3630 
3631 		if (dobj->type != SND_SOC_DOBJ_ENUM || !kcontrol ||
3632 		    kcontrol->put != skl_tplg_multi_config_set_dmic)
3633 			continue;
3634 
3635 		se = (struct soc_enum *)kcontrol->private_value;
3636 		texts = dobj->control.dtexts;
3637 		sprintf(chan_text, "c%d", mach->mach_params.dmic_num);
3638 
3639 		for (i = 0; i < se->items; i++) {
3640 			if (strstr(texts[i], chan_text)) {
3641 				memset(val, 0, sizeof(*val));
3642 				val->value.enumerated.item[0] = i;
3643 				kcontrol->put(kcontrol, val);
3644 			}
3645 		}
3646 	}
3647 	kfree(val);
3648 }
3649 
3650 static struct snd_soc_tplg_ops skl_tplg_ops  = {
3651 	.widget_load = skl_tplg_widget_load,
3652 	.control_load = skl_tplg_control_load,
3653 	.bytes_ext_ops = skl_tlv_ops,
3654 	.bytes_ext_ops_count = ARRAY_SIZE(skl_tlv_ops),
3655 	.io_ops = skl_tplg_kcontrol_ops,
3656 	.io_ops_count = ARRAY_SIZE(skl_tplg_kcontrol_ops),
3657 	.manifest = skl_manifest_load,
3658 	.dai_load = skl_dai_load,
3659 	.complete = skl_tplg_complete,
3660 };
3661 
3662 /*
3663  * A pipe can have multiple modules, each of them will be a DAPM widget as
3664  * well. While managing a pipeline we need to get the list of all the
3665  * widgets in a pipelines, so this helper - skl_tplg_create_pipe_widget_list()
3666  * helps to get the SKL type widgets in that pipeline
3667  */
3668 static int skl_tplg_create_pipe_widget_list(struct snd_soc_component *component)
3669 {
3670 	struct snd_soc_dapm_widget *w;
3671 	struct skl_module_cfg *mcfg = NULL;
3672 	struct skl_pipe_module *p_module = NULL;
3673 	struct skl_pipe *pipe;
3674 
3675 	list_for_each_entry(w, &component->card->widgets, list) {
3676 		if (is_skl_dsp_widget_type(w, component->dev) && w->priv) {
3677 			mcfg = w->priv;
3678 			pipe = mcfg->pipe;
3679 
3680 			p_module = devm_kzalloc(component->dev,
3681 						sizeof(*p_module), GFP_KERNEL);
3682 			if (!p_module)
3683 				return -ENOMEM;
3684 
3685 			p_module->w = w;
3686 			list_add_tail(&p_module->node, &pipe->w_list);
3687 		}
3688 	}
3689 
3690 	return 0;
3691 }
3692 
3693 static void skl_tplg_set_pipe_type(struct skl_dev *skl, struct skl_pipe *pipe)
3694 {
3695 	struct skl_pipe_module *w_module;
3696 	struct snd_soc_dapm_widget *w;
3697 	struct skl_module_cfg *mconfig;
3698 	bool host_found = false, link_found = false;
3699 
3700 	list_for_each_entry(w_module, &pipe->w_list, node) {
3701 		w = w_module->w;
3702 		mconfig = w->priv;
3703 
3704 		if (mconfig->dev_type == SKL_DEVICE_HDAHOST)
3705 			host_found = true;
3706 		else if (mconfig->dev_type != SKL_DEVICE_NONE)
3707 			link_found = true;
3708 	}
3709 
3710 	if (host_found && link_found)
3711 		pipe->passthru = true;
3712 	else
3713 		pipe->passthru = false;
3714 }
3715 
3716 /*
3717  * SKL topology init routine
3718  */
3719 int skl_tplg_init(struct snd_soc_component *component, struct hdac_bus *bus)
3720 {
3721 	int ret;
3722 	const struct firmware *fw;
3723 	struct skl_dev *skl = bus_to_skl(bus);
3724 	struct skl_pipeline *ppl;
3725 
3726 	ret = request_firmware(&fw, skl->tplg_name, bus->dev);
3727 	if (ret < 0) {
3728 		char alt_tplg_name[64];
3729 
3730 		snprintf(alt_tplg_name, sizeof(alt_tplg_name), "%s-tplg.bin",
3731 			 skl->mach->drv_name);
3732 		dev_info(bus->dev, "tplg fw %s load failed with %d, trying alternative tplg name %s",
3733 			 skl->tplg_name, ret, alt_tplg_name);
3734 
3735 		ret = request_firmware(&fw, alt_tplg_name, bus->dev);
3736 		if (!ret)
3737 			goto component_load;
3738 
3739 		dev_info(bus->dev, "tplg %s failed with %d, falling back to dfw_sst.bin",
3740 			 alt_tplg_name, ret);
3741 
3742 		ret = request_firmware(&fw, "dfw_sst.bin", bus->dev);
3743 		if (ret < 0) {
3744 			dev_err(bus->dev, "Fallback tplg fw %s load failed with %d\n",
3745 					"dfw_sst.bin", ret);
3746 			return ret;
3747 		}
3748 	}
3749 
3750 component_load:
3751 	ret = snd_soc_tplg_component_load(component, &skl_tplg_ops, fw);
3752 	if (ret < 0) {
3753 		dev_err(bus->dev, "tplg component load failed%d\n", ret);
3754 		goto err;
3755 	}
3756 
3757 	ret = skl_tplg_create_pipe_widget_list(component);
3758 	if (ret < 0) {
3759 		dev_err(bus->dev, "tplg create pipe widget list failed%d\n",
3760 				ret);
3761 		goto err;
3762 	}
3763 
3764 	list_for_each_entry(ppl, &skl->ppl_list, node)
3765 		skl_tplg_set_pipe_type(skl, ppl->pipe);
3766 
3767 err:
3768 	release_firmware(fw);
3769 	return ret;
3770 }
3771 
3772 void skl_tplg_exit(struct snd_soc_component *component, struct hdac_bus *bus)
3773 {
3774 	struct skl_dev *skl = bus_to_skl(bus);
3775 	struct skl_pipeline *ppl, *tmp;
3776 
3777 	list_for_each_entry_safe(ppl, tmp, &skl->ppl_list, node)
3778 		list_del(&ppl->node);
3779 
3780 	/* clean up topology */
3781 	snd_soc_tplg_component_remove(component);
3782 }
3783