xref: /linux/sound/soc/sof/topology.c (revision e5a52fd2b8cdb700b3c07b030e050a49ef3156b9)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license.  When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
7 //
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 //
10 
11 #include <linux/firmware.h>
12 #include <linux/workqueue.h>
13 #include <sound/tlv.h>
14 #include <sound/pcm_params.h>
15 #include <uapi/sound/sof/tokens.h>
16 #include "sof-priv.h"
17 #include "sof-audio.h"
18 #include "ops.h"
19 
20 #define COMP_ID_UNASSIGNED		0xffffffff
21 /*
22  * Constants used in the computation of linear volume gain
23  * from dB gain 20th root of 10 in Q1.16 fixed-point notation
24  */
25 #define VOL_TWENTIETH_ROOT_OF_TEN	73533
26 /* 40th root of 10 in Q1.16 fixed-point notation*/
27 #define VOL_FORTIETH_ROOT_OF_TEN	69419
28 /*
29  * Volume fractional word length define to 16 sets
30  * the volume linear gain value to use Qx.16 format
31  */
32 #define VOLUME_FWL	16
33 /* 0.5 dB step value in topology TLV */
34 #define VOL_HALF_DB_STEP	50
35 /* Full volume for default values */
36 #define VOL_ZERO_DB	BIT(VOLUME_FWL)
37 
38 /* TLV data items */
39 #define TLV_ITEMS	3
40 #define TLV_MIN		0
41 #define TLV_STEP	1
42 #define TLV_MUTE	2
43 
44 /* size of tplg abi in byte */
45 #define SOF_TPLG_ABI_SIZE 3
46 
47 struct sof_widget_data {
48 	int ctrl_type;
49 	int ipc_cmd;
50 	struct sof_abi_hdr *pdata;
51 	struct snd_sof_control *control;
52 };
53 
54 /* send pcm params ipc */
55 static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
56 {
57 	struct sof_ipc_pcm_params_reply ipc_params_reply;
58 	struct snd_soc_component *scomp = swidget->scomp;
59 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
60 	struct sof_ipc_pcm_params pcm;
61 	struct snd_pcm_hw_params *params;
62 	struct snd_sof_pcm *spcm;
63 	int ret = 0;
64 
65 	memset(&pcm, 0, sizeof(pcm));
66 
67 	/* get runtime PCM params using widget's stream name */
68 	spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
69 	if (!spcm) {
70 		dev_err(scomp->dev, "error: cannot find PCM for %s\n",
71 			swidget->widget->name);
72 		return -EINVAL;
73 	}
74 
75 	params = &spcm->params[dir];
76 
77 	/* set IPC PCM params */
78 	pcm.hdr.size = sizeof(pcm);
79 	pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
80 	pcm.comp_id = swidget->comp_id;
81 	pcm.params.hdr.size = sizeof(pcm.params);
82 	pcm.params.direction = dir;
83 	pcm.params.sample_valid_bytes = params_width(params) >> 3;
84 	pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
85 	pcm.params.rate = params_rate(params);
86 	pcm.params.channels = params_channels(params);
87 	pcm.params.host_period_bytes = params_period_bytes(params);
88 
89 	/* set format */
90 	switch (params_format(params)) {
91 	case SNDRV_PCM_FORMAT_S16:
92 		pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
93 		break;
94 	case SNDRV_PCM_FORMAT_S24:
95 		pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
96 		break;
97 	case SNDRV_PCM_FORMAT_S32:
98 		pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
99 		break;
100 	default:
101 		return -EINVAL;
102 	}
103 
104 	/* send IPC to the DSP */
105 	ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
106 				 &ipc_params_reply, sizeof(ipc_params_reply));
107 	if (ret < 0)
108 		dev_err(scomp->dev, "error: pcm params failed for %s\n",
109 			swidget->widget->name);
110 
111 	return ret;
112 }
113 
114  /* send stream trigger ipc */
115 static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
116 {
117 	struct snd_soc_component *scomp = swidget->scomp;
118 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
119 	struct sof_ipc_stream stream;
120 	struct sof_ipc_reply reply;
121 	int ret = 0;
122 
123 	/* set IPC stream params */
124 	stream.hdr.size = sizeof(stream);
125 	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
126 	stream.comp_id = swidget->comp_id;
127 
128 	/* send IPC to the DSP */
129 	ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
130 				 sizeof(stream), &reply, sizeof(reply));
131 	if (ret < 0)
132 		dev_err(scomp->dev, "error: failed to trigger %s\n",
133 			swidget->widget->name);
134 
135 	return ret;
136 }
137 
138 static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
139 				  struct snd_kcontrol *k, int event)
140 {
141 	struct snd_sof_widget *swidget = w->dobj.private;
142 	struct snd_soc_component *scomp;
143 	int stream = SNDRV_PCM_STREAM_CAPTURE;
144 	struct snd_sof_pcm *spcm;
145 	int ret = 0;
146 
147 	if (!swidget)
148 		return 0;
149 
150 	scomp = swidget->scomp;
151 
152 	dev_dbg(scomp->dev, "received event %d for widget %s\n",
153 		event, w->name);
154 
155 	/* get runtime PCM params using widget's stream name */
156 	spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
157 	if (!spcm) {
158 		dev_err(scomp->dev, "error: cannot find PCM for %s\n",
159 			swidget->widget->name);
160 		return -EINVAL;
161 	}
162 
163 	/* process events */
164 	switch (event) {
165 	case SND_SOC_DAPM_PRE_PMU:
166 		if (spcm->stream[stream].suspend_ignored) {
167 			dev_dbg(scomp->dev, "PRE_PMU event ignored, KWD pipeline is already RUNNING\n");
168 			return 0;
169 		}
170 
171 		/* set pcm params */
172 		ret = ipc_pcm_params(swidget, stream);
173 		if (ret < 0) {
174 			dev_err(scomp->dev,
175 				"error: failed to set pcm params for widget %s\n",
176 				swidget->widget->name);
177 			break;
178 		}
179 
180 		/* start trigger */
181 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
182 		if (ret < 0)
183 			dev_err(scomp->dev,
184 				"error: failed to trigger widget %s\n",
185 				swidget->widget->name);
186 		break;
187 	case SND_SOC_DAPM_POST_PMD:
188 		if (spcm->stream[stream].suspend_ignored) {
189 			dev_dbg(scomp->dev, "POST_PMD even ignored, KWD pipeline will remain RUNNING\n");
190 			return 0;
191 		}
192 
193 		/* stop trigger */
194 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
195 		if (ret < 0)
196 			dev_err(scomp->dev,
197 				"error: failed to trigger widget %s\n",
198 				swidget->widget->name);
199 
200 		/* pcm free */
201 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
202 		if (ret < 0)
203 			dev_err(scomp->dev,
204 				"error: failed to trigger widget %s\n",
205 				swidget->widget->name);
206 		break;
207 	default:
208 		break;
209 	}
210 
211 	return ret;
212 }
213 
214 /* event handlers for keyword detect component */
215 static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
216 	{SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
217 };
218 
219 static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
220 {
221 	/* we only support dB scale TLV type at the moment */
222 	if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
223 		return -EINVAL;
224 
225 	/* min value in topology tlv data is multiplied by 100 */
226 	tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
227 
228 	/* volume steps */
229 	tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
230 				TLV_DB_SCALE_MASK);
231 
232 	/* mute ON/OFF */
233 	if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
234 		TLV_DB_SCALE_MUTE) == 0)
235 		tlv[TLV_MUTE] = 0;
236 	else
237 		tlv[TLV_MUTE] = 1;
238 
239 	return 0;
240 }
241 
242 /*
243  * Function to truncate an unsigned 64-bit number
244  * by x bits and return 32-bit unsigned number. This
245  * function also takes care of rounding while truncating
246  */
247 static inline u32 vol_shift_64(u64 i, u32 x)
248 {
249 	/* do not truncate more than 32 bits */
250 	if (x > 32)
251 		x = 32;
252 
253 	if (x == 0)
254 		return (u32)i;
255 
256 	return (u32)(((i >> (x - 1)) + 1) >> 1);
257 }
258 
259 /*
260  * Function to compute a ^ exp where,
261  * a is a fractional number represented by a fixed-point
262  * integer with a fractional world length of "fwl"
263  * exp is an integer
264  * fwl is the fractional word length
265  * Return value is a fractional number represented by a
266  * fixed-point integer with a fractional word length of "fwl"
267  */
268 static u32 vol_pow32(u32 a, int exp, u32 fwl)
269 {
270 	int i, iter;
271 	u32 power = 1 << fwl;
272 	u64 numerator;
273 
274 	/* if exponent is 0, return 1 */
275 	if (exp == 0)
276 		return power;
277 
278 	/* determine the number of iterations based on the exponent */
279 	if (exp < 0)
280 		iter = exp * -1;
281 	else
282 		iter = exp;
283 
284 	/* mutiply a "iter" times to compute power */
285 	for (i = 0; i < iter; i++) {
286 		/*
287 		 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
288 		 * Truncate product back to fwl fractional bits with rounding
289 		 */
290 		power = vol_shift_64((u64)power * a, fwl);
291 	}
292 
293 	if (exp > 0) {
294 		/* if exp is positive, return the result */
295 		return power;
296 	}
297 
298 	/* if exp is negative, return the multiplicative inverse */
299 	numerator = (u64)1 << (fwl << 1);
300 	do_div(numerator, power);
301 
302 	return (u32)numerator;
303 }
304 
305 /*
306  * Function to calculate volume gain from TLV data.
307  * This function can only handle gain steps that are multiples of 0.5 dB
308  */
309 static u32 vol_compute_gain(u32 value, int *tlv)
310 {
311 	int dB_gain;
312 	u32 linear_gain;
313 	int f_step;
314 
315 	/* mute volume */
316 	if (value == 0 && tlv[TLV_MUTE])
317 		return 0;
318 
319 	/*
320 	 * compute dB gain from tlv. tlv_step
321 	 * in topology is multiplied by 100
322 	 */
323 	dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
324 
325 	/*
326 	 * compute linear gain represented by fixed-point
327 	 * int with VOLUME_FWL fractional bits
328 	 */
329 	linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
330 
331 	/* extract the fractional part of volume step */
332 	f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
333 
334 	/* if volume step is an odd multiple of 0.5 dB */
335 	if (f_step == VOL_HALF_DB_STEP && (value & 1))
336 		linear_gain = vol_shift_64((u64)linear_gain *
337 						  VOL_FORTIETH_ROOT_OF_TEN,
338 						  VOLUME_FWL);
339 
340 	return linear_gain;
341 }
342 
343 /*
344  * Set up volume table for kcontrols from tlv data
345  * "size" specifies the number of entries in the table
346  */
347 static int set_up_volume_table(struct snd_sof_control *scontrol,
348 			       int tlv[TLV_ITEMS], int size)
349 {
350 	int j;
351 
352 	/* init the volume table */
353 	scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
354 	if (!scontrol->volume_table)
355 		return -ENOMEM;
356 
357 	/* populate the volume table */
358 	for (j = 0; j < size ; j++)
359 		scontrol->volume_table[j] = vol_compute_gain(j, tlv);
360 
361 	return 0;
362 }
363 
364 struct sof_dai_types {
365 	const char *name;
366 	enum sof_ipc_dai_type type;
367 };
368 
369 static const struct sof_dai_types sof_dais[] = {
370 	{"SSP", SOF_DAI_INTEL_SSP},
371 	{"HDA", SOF_DAI_INTEL_HDA},
372 	{"DMIC", SOF_DAI_INTEL_DMIC},
373 	{"ALH", SOF_DAI_INTEL_ALH},
374 	{"SAI", SOF_DAI_IMX_SAI},
375 	{"ESAI", SOF_DAI_IMX_ESAI},
376 };
377 
378 static enum sof_ipc_dai_type find_dai(const char *name)
379 {
380 	int i;
381 
382 	for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
383 		if (strcmp(name, sof_dais[i].name) == 0)
384 			return sof_dais[i].type;
385 	}
386 
387 	return SOF_DAI_INTEL_NONE;
388 }
389 
390 /*
391  * Supported Frame format types and lookup, add new ones to end of list.
392  */
393 
394 struct sof_frame_types {
395 	const char *name;
396 	enum sof_ipc_frame frame;
397 };
398 
399 static const struct sof_frame_types sof_frames[] = {
400 	{"s16le", SOF_IPC_FRAME_S16_LE},
401 	{"s24le", SOF_IPC_FRAME_S24_4LE},
402 	{"s32le", SOF_IPC_FRAME_S32_LE},
403 	{"float", SOF_IPC_FRAME_FLOAT},
404 };
405 
406 static enum sof_ipc_frame find_format(const char *name)
407 {
408 	int i;
409 
410 	for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
411 		if (strcmp(name, sof_frames[i].name) == 0)
412 			return sof_frames[i].frame;
413 	}
414 
415 	/* use s32le if nothing is specified */
416 	return SOF_IPC_FRAME_S32_LE;
417 }
418 
419 struct sof_process_types {
420 	const char *name;
421 	enum sof_ipc_process_type type;
422 	enum sof_comp_type comp_type;
423 };
424 
425 static const struct sof_process_types sof_process[] = {
426 	{"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
427 	{"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
428 	{"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
429 	{"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
430 	{"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
431 	{"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
432 	{"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
433 	{"DCBLOCK", SOF_PROCESS_DCBLOCK, SOF_COMP_DCBLOCK},
434 	{"SMART_AMP", SOF_PROCESS_SMART_AMP, SOF_COMP_SMART_AMP},
435 };
436 
437 static enum sof_ipc_process_type find_process(const char *name)
438 {
439 	int i;
440 
441 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
442 		if (strcmp(name, sof_process[i].name) == 0)
443 			return sof_process[i].type;
444 	}
445 
446 	return SOF_PROCESS_NONE;
447 }
448 
449 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
450 {
451 	int i;
452 
453 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
454 		if (sof_process[i].type == type)
455 			return sof_process[i].comp_type;
456 	}
457 
458 	return SOF_COMP_NONE;
459 }
460 
461 /*
462  * Topology Token Parsing.
463  * New tokens should be added to headers and parsing tables below.
464  */
465 
466 struct sof_topology_token {
467 	u32 token;
468 	u32 type;
469 	int (*get_token)(void *elem, void *object, u32 offset, u32 size);
470 	u32 offset;
471 	u32 size;
472 };
473 
474 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
475 {
476 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
477 	u32 *val = (u32 *)((u8 *)object + offset);
478 
479 	*val = le32_to_cpu(velem->value);
480 	return 0;
481 }
482 
483 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
484 {
485 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
486 	u16 *val = (u16 *)((u8 *)object + offset);
487 
488 	*val = (u16)le32_to_cpu(velem->value);
489 	return 0;
490 }
491 
492 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
493 {
494 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
495 	u32 *val = (u32 *)((u8 *)object + offset);
496 
497 	*val = find_format(velem->string);
498 	return 0;
499 }
500 
501 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
502 {
503 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
504 	u32 *val = (u32 *)((u8 *)object + offset);
505 
506 	*val = find_dai(velem->string);
507 	return 0;
508 }
509 
510 static int get_token_process_type(void *elem, void *object, u32 offset,
511 				  u32 size)
512 {
513 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
514 	u32 *val = (u32 *)((u8 *)object + offset);
515 
516 	*val = find_process(velem->string);
517 	return 0;
518 }
519 
520 /* Buffers */
521 static const struct sof_topology_token buffer_tokens[] = {
522 	{SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
523 		offsetof(struct sof_ipc_buffer, size), 0},
524 	{SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
525 		offsetof(struct sof_ipc_buffer, caps), 0},
526 };
527 
528 /* DAI */
529 static const struct sof_topology_token dai_tokens[] = {
530 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
531 		offsetof(struct sof_ipc_comp_dai, type), 0},
532 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
533 		offsetof(struct sof_ipc_comp_dai, dai_index), 0},
534 	{SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
535 		offsetof(struct sof_ipc_comp_dai, direction), 0},
536 };
537 
538 /* BE DAI link */
539 static const struct sof_topology_token dai_link_tokens[] = {
540 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
541 		offsetof(struct sof_ipc_dai_config, type), 0},
542 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
543 		offsetof(struct sof_ipc_dai_config, dai_index), 0},
544 };
545 
546 /* scheduling */
547 static const struct sof_topology_token sched_tokens[] = {
548 	{SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
549 		offsetof(struct sof_ipc_pipe_new, period), 0},
550 	{SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
551 		offsetof(struct sof_ipc_pipe_new, priority), 0},
552 	{SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
553 		offsetof(struct sof_ipc_pipe_new, period_mips), 0},
554 	{SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
555 		offsetof(struct sof_ipc_pipe_new, core), 0},
556 	{SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
557 		offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
558 	{SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
559 		offsetof(struct sof_ipc_pipe_new, time_domain), 0},
560 };
561 
562 /* volume */
563 static const struct sof_topology_token volume_tokens[] = {
564 	{SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
565 		get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
566 	{SOF_TKN_VOLUME_RAMP_STEP_MS,
567 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
568 		offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
569 };
570 
571 /* SRC */
572 static const struct sof_topology_token src_tokens[] = {
573 	{SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
574 		offsetof(struct sof_ipc_comp_src, source_rate), 0},
575 	{SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
576 		offsetof(struct sof_ipc_comp_src, sink_rate), 0},
577 };
578 
579 /* ASRC */
580 static const struct sof_topology_token asrc_tokens[] = {
581 	{SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
582 		offsetof(struct sof_ipc_comp_asrc, source_rate), 0},
583 	{SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
584 		offsetof(struct sof_ipc_comp_asrc, sink_rate), 0},
585 	{SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
586 		get_token_u32,
587 		offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0},
588 	{SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
589 		get_token_u32,
590 		offsetof(struct sof_ipc_comp_asrc, operation_mode), 0},
591 };
592 
593 /* Tone */
594 static const struct sof_topology_token tone_tokens[] = {
595 };
596 
597 /* EFFECT */
598 static const struct sof_topology_token process_tokens[] = {
599 	{SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
600 		get_token_process_type,
601 		offsetof(struct sof_ipc_comp_process, type), 0},
602 };
603 
604 /* PCM */
605 static const struct sof_topology_token pcm_tokens[] = {
606 	{SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
607 		offsetof(struct sof_ipc_comp_host, dmac_config), 0},
608 };
609 
610 /* PCM */
611 static const struct sof_topology_token stream_tokens[] = {
612 	{SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3,
613 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
614 		offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible), 0},
615 	{SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3,
616 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
617 		offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible), 0},
618 };
619 
620 /* Generic components */
621 static const struct sof_topology_token comp_tokens[] = {
622 	{SOF_TKN_COMP_PERIOD_SINK_COUNT,
623 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
624 		offsetof(struct sof_ipc_comp_config, periods_sink), 0},
625 	{SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
626 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
627 		offsetof(struct sof_ipc_comp_config, periods_source), 0},
628 	{SOF_TKN_COMP_FORMAT,
629 		SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
630 		offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
631 };
632 
633 /* SSP */
634 static const struct sof_topology_token ssp_tokens[] = {
635 	{SOF_TKN_INTEL_SSP_CLKS_CONTROL,
636 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
637 		offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
638 	{SOF_TKN_INTEL_SSP_MCLK_ID,
639 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
640 		offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
641 	{SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
642 		get_token_u32,
643 		offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
644 	{SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
645 		get_token_u16,
646 		offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
647 	{SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
648 		get_token_u32,
649 		offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
650 	{SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
651 		get_token_u16,
652 		offsetof(struct sof_ipc_dai_ssp_params,
653 			 tdm_per_slot_padding_flag), 0},
654 	{SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
655 		get_token_u32,
656 		offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},
657 
658 };
659 
660 /* ALH */
661 static const struct sof_topology_token alh_tokens[] = {
662 	{SOF_TKN_INTEL_ALH_RATE,
663 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
664 		offsetof(struct sof_ipc_dai_alh_params, rate), 0},
665 	{SOF_TKN_INTEL_ALH_CH,
666 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
667 		offsetof(struct sof_ipc_dai_alh_params, channels), 0},
668 };
669 
670 /* DMIC */
671 static const struct sof_topology_token dmic_tokens[] = {
672 	{SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
673 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
674 		offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
675 		0},
676 	{SOF_TKN_INTEL_DMIC_CLK_MIN,
677 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
678 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
679 	{SOF_TKN_INTEL_DMIC_CLK_MAX,
680 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
681 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
682 	{SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
683 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
684 		offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
685 	{SOF_TKN_INTEL_DMIC_DUTY_MIN,
686 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
687 		offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
688 	{SOF_TKN_INTEL_DMIC_DUTY_MAX,
689 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
690 		offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
691 	{SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
692 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
693 		offsetof(struct sof_ipc_dai_dmic_params,
694 			 num_pdm_active), 0},
695 	{SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
696 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
697 		offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
698 	{SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
699 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
700 		offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
701 
702 };
703 
704 /* ESAI */
705 static const struct sof_topology_token esai_tokens[] = {
706 	{SOF_TKN_IMX_ESAI_MCLK_ID,
707 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
708 		offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0},
709 };
710 
711 /* SAI */
712 static const struct sof_topology_token sai_tokens[] = {
713 	{SOF_TKN_IMX_SAI_MCLK_ID,
714 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
715 		offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0},
716 };
717 
718 /*
719  * DMIC PDM Tokens
720  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
721  * as it increments the index while parsing the array of pdm tokens
722  * and determines the correct offset
723  */
724 static const struct sof_topology_token dmic_pdm_tokens[] = {
725 	{SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
726 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
727 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
728 		0},
729 	{SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
730 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
731 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
732 		0},
733 	{SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
734 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
735 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
736 		0},
737 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
738 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
739 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
740 		0},
741 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
742 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
743 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
744 		0},
745 	{SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
746 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
747 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
748 		0},
749 	{SOF_TKN_INTEL_DMIC_PDM_SKEW,
750 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
751 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
752 		0},
753 };
754 
755 /* HDA */
756 static const struct sof_topology_token hda_tokens[] = {
757 	{SOF_TKN_INTEL_HDA_RATE,
758 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
759 		offsetof(struct sof_ipc_dai_hda_params, rate), 0},
760 	{SOF_TKN_INTEL_HDA_CH,
761 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
762 		offsetof(struct sof_ipc_dai_hda_params, channels), 0},
763 };
764 
765 /* Leds */
766 static const struct sof_topology_token led_tokens[] = {
767 	{SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
768 	 offsetof(struct snd_sof_led_control, use_led), 0},
769 	{SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD,
770 	 get_token_u32, offsetof(struct snd_sof_led_control, direction), 0},
771 };
772 
773 static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,
774 				 void *object,
775 				 const struct sof_topology_token *tokens,
776 				 int count,
777 				 struct snd_soc_tplg_vendor_array *array,
778 				 size_t offset)
779 {
780 	struct snd_soc_tplg_vendor_uuid_elem *elem;
781 	int found = 0;
782 	int i, j;
783 
784 	/* parse element by element */
785 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
786 		elem = &array->uuid[i];
787 
788 		/* search for token */
789 		for (j = 0; j < count; j++) {
790 			/* match token type */
791 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
792 				continue;
793 
794 			/* match token id */
795 			if (tokens[j].token != le32_to_cpu(elem->token))
796 				continue;
797 
798 			/* matched - now load token */
799 			tokens[j].get_token(elem, object,
800 					    offset + tokens[j].offset,
801 					    tokens[j].size);
802 
803 			found++;
804 		}
805 	}
806 
807 	return found;
808 }
809 
810 static int sof_parse_string_tokens(struct snd_soc_component *scomp,
811 				   void *object,
812 				   const struct sof_topology_token *tokens,
813 				   int count,
814 				   struct snd_soc_tplg_vendor_array *array,
815 				   size_t offset)
816 {
817 	struct snd_soc_tplg_vendor_string_elem *elem;
818 	int found = 0;
819 	int i, j;
820 
821 	/* parse element by element */
822 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
823 		elem = &array->string[i];
824 
825 		/* search for token */
826 		for (j = 0; j < count; j++) {
827 			/* match token type */
828 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
829 				continue;
830 
831 			/* match token id */
832 			if (tokens[j].token != le32_to_cpu(elem->token))
833 				continue;
834 
835 			/* matched - now load token */
836 			tokens[j].get_token(elem, object,
837 					    offset + tokens[j].offset,
838 					    tokens[j].size);
839 
840 			found++;
841 		}
842 	}
843 
844 	return found;
845 }
846 
847 static int sof_parse_word_tokens(struct snd_soc_component *scomp,
848 				 void *object,
849 				 const struct sof_topology_token *tokens,
850 				 int count,
851 				 struct snd_soc_tplg_vendor_array *array,
852 				 size_t offset)
853 {
854 	struct snd_soc_tplg_vendor_value_elem *elem;
855 	int found = 0;
856 	int i, j;
857 
858 	/* parse element by element */
859 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
860 		elem = &array->value[i];
861 
862 		/* search for token */
863 		for (j = 0; j < count; j++) {
864 			/* match token type */
865 			if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
866 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
867 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
868 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
869 				continue;
870 
871 			/* match token id */
872 			if (tokens[j].token != le32_to_cpu(elem->token))
873 				continue;
874 
875 			/* load token */
876 			tokens[j].get_token(elem, object,
877 					    offset + tokens[j].offset,
878 					    tokens[j].size);
879 
880 			found++;
881 		}
882 	}
883 
884 	return found;
885 }
886 
887 /**
888  * sof_parse_token_sets - Parse multiple sets of tokens
889  * @scomp: pointer to soc component
890  * @object: target ipc struct for parsed values
891  * @tokens: token definition array describing what tokens to parse
892  * @count: number of tokens in definition array
893  * @array: source pointer to consecutive vendor arrays to be parsed
894  * @priv_size: total size of the consecutive source arrays
895  * @sets: number of similar token sets to be parsed, 1 set has count elements
896  * @object_size: offset to next target ipc struct with multiple sets
897  *
898  * This function parses multiple sets of tokens in vendor arrays into
899  * consecutive ipc structs.
900  */
901 static int sof_parse_token_sets(struct snd_soc_component *scomp,
902 				void *object,
903 				const struct sof_topology_token *tokens,
904 				int count,
905 				struct snd_soc_tplg_vendor_array *array,
906 				int priv_size, int sets, size_t object_size)
907 {
908 	size_t offset = 0;
909 	int found = 0;
910 	int total = 0;
911 	int asize;
912 
913 	while (priv_size > 0 && total < count * sets) {
914 		asize = le32_to_cpu(array->size);
915 
916 		/* validate asize */
917 		if (asize < 0) { /* FIXME: A zero-size array makes no sense */
918 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
919 				asize);
920 			return -EINVAL;
921 		}
922 
923 		/* make sure there is enough data before parsing */
924 		priv_size -= asize;
925 		if (priv_size < 0) {
926 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
927 				asize);
928 			return -EINVAL;
929 		}
930 
931 		/* call correct parser depending on type */
932 		switch (le32_to_cpu(array->type)) {
933 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
934 			found += sof_parse_uuid_tokens(scomp, object, tokens,
935 						       count, array, offset);
936 			break;
937 		case SND_SOC_TPLG_TUPLE_TYPE_STRING:
938 			found += sof_parse_string_tokens(scomp, object, tokens,
939 							 count, array, offset);
940 			break;
941 		case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
942 		case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
943 		case SND_SOC_TPLG_TUPLE_TYPE_WORD:
944 		case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
945 			found += sof_parse_word_tokens(scomp, object, tokens,
946 						       count, array, offset);
947 			break;
948 		default:
949 			dev_err(scomp->dev, "error: unknown token type %d\n",
950 				array->type);
951 			return -EINVAL;
952 		}
953 
954 		/* next array */
955 		array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
956 			+ asize);
957 
958 		/* move to next target struct */
959 		if (found >= count) {
960 			offset += object_size;
961 			total += found;
962 			found = 0;
963 		}
964 	}
965 
966 	return 0;
967 }
968 
969 static int sof_parse_tokens(struct snd_soc_component *scomp,
970 			    void *object,
971 			    const struct sof_topology_token *tokens,
972 			    int count,
973 			    struct snd_soc_tplg_vendor_array *array,
974 			    int priv_size)
975 {
976 	/*
977 	 * sof_parse_tokens is used when topology contains only a single set of
978 	 * identical tuples arrays. So additional parameters to
979 	 * sof_parse_token_sets are sets = 1 (only 1 set) and
980 	 * object_size = 0 (irrelevant).
981 	 */
982 	return sof_parse_token_sets(scomp, object, tokens, count, array,
983 				    priv_size, 1, 0);
984 }
985 
986 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
987 				struct sof_ipc_comp_config *config)
988 {
989 	dev_dbg(scomp->dev, " config: periods snk %d src %d fmt %d\n",
990 		config->periods_sink, config->periods_source,
991 		config->frame_fmt);
992 }
993 
994 /*
995  * Standard Kcontrols.
996  */
997 
998 static int sof_control_load_volume(struct snd_soc_component *scomp,
999 				   struct snd_sof_control *scontrol,
1000 				   struct snd_kcontrol_new *kc,
1001 				   struct snd_soc_tplg_ctl_hdr *hdr)
1002 {
1003 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1004 	struct snd_soc_tplg_mixer_control *mc =
1005 		container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
1006 	struct sof_ipc_ctrl_data *cdata;
1007 	int tlv[TLV_ITEMS];
1008 	unsigned int i;
1009 	int ret = 0;
1010 
1011 	/* validate topology data */
1012 	if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) {
1013 		ret = -EINVAL;
1014 		goto out;
1015 	}
1016 
1017 	/* init the volume get/put data */
1018 	scontrol->size = struct_size(scontrol->control_data, chanv,
1019 				     le32_to_cpu(mc->num_channels));
1020 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1021 	if (!scontrol->control_data) {
1022 		ret = -ENOMEM;
1023 		goto out;
1024 	}
1025 
1026 	scontrol->comp_id = sdev->next_comp_id;
1027 	scontrol->min_volume_step = le32_to_cpu(mc->min);
1028 	scontrol->max_volume_step = le32_to_cpu(mc->max);
1029 	scontrol->num_channels = le32_to_cpu(mc->num_channels);
1030 
1031 	/* set cmd for mixer control */
1032 	if (le32_to_cpu(mc->max) == 1) {
1033 		scontrol->cmd = SOF_CTRL_CMD_SWITCH;
1034 		goto skip;
1035 	}
1036 
1037 	scontrol->cmd = SOF_CTRL_CMD_VOLUME;
1038 
1039 	/* extract tlv data */
1040 	if (get_tlv_data(kc->tlv.p, tlv) < 0) {
1041 		dev_err(scomp->dev, "error: invalid TLV data\n");
1042 		ret = -EINVAL;
1043 		goto out_free;
1044 	}
1045 
1046 	/* set up volume table */
1047 	ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
1048 	if (ret < 0) {
1049 		dev_err(scomp->dev, "error: setting up volume table\n");
1050 		goto out_free;
1051 	}
1052 
1053 	/* set default volume values to 0dB in control */
1054 	cdata = scontrol->control_data;
1055 	for (i = 0; i < scontrol->num_channels; i++) {
1056 		cdata->chanv[i].channel = i;
1057 		cdata->chanv[i].value = VOL_ZERO_DB;
1058 	}
1059 
1060 skip:
1061 	/* set up possible led control from mixer private data */
1062 	ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
1063 			       ARRAY_SIZE(led_tokens), mc->priv.array,
1064 			       le32_to_cpu(mc->priv.size));
1065 	if (ret != 0) {
1066 		dev_err(scomp->dev, "error: parse led tokens failed %d\n",
1067 			le32_to_cpu(mc->priv.size));
1068 		goto out_free_table;
1069 	}
1070 
1071 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1072 		scontrol->comp_id, scontrol->num_channels);
1073 
1074 	return ret;
1075 
1076 out_free_table:
1077 	if (le32_to_cpu(mc->max) > 1)
1078 		kfree(scontrol->volume_table);
1079 out_free:
1080 	kfree(scontrol->control_data);
1081 out:
1082 	return ret;
1083 }
1084 
1085 static int sof_control_load_enum(struct snd_soc_component *scomp,
1086 				 struct snd_sof_control *scontrol,
1087 				 struct snd_kcontrol_new *kc,
1088 				 struct snd_soc_tplg_ctl_hdr *hdr)
1089 {
1090 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1091 	struct snd_soc_tplg_enum_control *ec =
1092 		container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
1093 
1094 	/* validate topology data */
1095 	if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
1096 		return -EINVAL;
1097 
1098 	/* init the enum get/put data */
1099 	scontrol->size = struct_size(scontrol->control_data, chanv,
1100 				     le32_to_cpu(ec->num_channels));
1101 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1102 	if (!scontrol->control_data)
1103 		return -ENOMEM;
1104 
1105 	scontrol->comp_id = sdev->next_comp_id;
1106 	scontrol->num_channels = le32_to_cpu(ec->num_channels);
1107 
1108 	scontrol->cmd = SOF_CTRL_CMD_ENUM;
1109 
1110 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
1111 		scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
1112 
1113 	return 0;
1114 }
1115 
1116 static int sof_control_load_bytes(struct snd_soc_component *scomp,
1117 				  struct snd_sof_control *scontrol,
1118 				  struct snd_kcontrol_new *kc,
1119 				  struct snd_soc_tplg_ctl_hdr *hdr)
1120 {
1121 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1122 	struct sof_ipc_ctrl_data *cdata;
1123 	struct snd_soc_tplg_bytes_control *control =
1124 		container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
1125 	struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
1126 	int max_size = sbe->max;
1127 	int ret = 0;
1128 
1129 	/* init the get/put bytes data */
1130 	scontrol->size = sizeof(struct sof_ipc_ctrl_data) +
1131 		le32_to_cpu(control->priv.size);
1132 
1133 	if (scontrol->size > max_size) {
1134 		dev_err(scomp->dev, "err: bytes data size %d exceeds max %d.\n",
1135 			scontrol->size, max_size);
1136 		ret = -EINVAL;
1137 		goto out;
1138 	}
1139 
1140 	scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
1141 	cdata = scontrol->control_data;
1142 	if (!scontrol->control_data) {
1143 		ret = -ENOMEM;
1144 		goto out;
1145 	}
1146 
1147 	scontrol->comp_id = sdev->next_comp_id;
1148 	scontrol->cmd = SOF_CTRL_CMD_BINARY;
1149 
1150 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1151 		scontrol->comp_id, scontrol->num_channels);
1152 
1153 	if (le32_to_cpu(control->priv.size) > 0) {
1154 		memcpy(cdata->data, control->priv.data,
1155 		       le32_to_cpu(control->priv.size));
1156 
1157 		if (cdata->data->magic != SOF_ABI_MAGIC) {
1158 			dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n",
1159 				cdata->data->magic);
1160 			ret = -EINVAL;
1161 			goto out_free;
1162 		}
1163 		if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
1164 						 cdata->data->abi)) {
1165 			dev_err(scomp->dev,
1166 				"error: Incompatible ABI version 0x%08x.\n",
1167 				cdata->data->abi);
1168 			ret = -EINVAL;
1169 			goto out_free;
1170 		}
1171 		if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
1172 		    le32_to_cpu(control->priv.size)) {
1173 			dev_err(scomp->dev,
1174 				"error: Conflict in bytes vs. priv size.\n");
1175 			ret = -EINVAL;
1176 			goto out_free;
1177 		}
1178 	}
1179 
1180 	return ret;
1181 
1182 out_free:
1183 	kfree(scontrol->control_data);
1184 out:
1185 	return ret;
1186 }
1187 
1188 /* external kcontrol init - used for any driver specific init */
1189 static int sof_control_load(struct snd_soc_component *scomp, int index,
1190 			    struct snd_kcontrol_new *kc,
1191 			    struct snd_soc_tplg_ctl_hdr *hdr)
1192 {
1193 	struct soc_mixer_control *sm;
1194 	struct soc_bytes_ext *sbe;
1195 	struct soc_enum *se;
1196 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1197 	struct snd_soc_dobj *dobj;
1198 	struct snd_sof_control *scontrol;
1199 	int ret = -EINVAL;
1200 
1201 	dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
1202 		hdr->type, hdr->name);
1203 
1204 	scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1205 	if (!scontrol)
1206 		return -ENOMEM;
1207 
1208 	scontrol->scomp = scomp;
1209 
1210 	switch (le32_to_cpu(hdr->ops.info)) {
1211 	case SND_SOC_TPLG_CTL_VOLSW:
1212 	case SND_SOC_TPLG_CTL_VOLSW_SX:
1213 	case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1214 		sm = (struct soc_mixer_control *)kc->private_value;
1215 		dobj = &sm->dobj;
1216 		ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1217 		break;
1218 	case SND_SOC_TPLG_CTL_BYTES:
1219 		sbe = (struct soc_bytes_ext *)kc->private_value;
1220 		dobj = &sbe->dobj;
1221 		ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1222 		break;
1223 	case SND_SOC_TPLG_CTL_ENUM:
1224 	case SND_SOC_TPLG_CTL_ENUM_VALUE:
1225 		se = (struct soc_enum *)kc->private_value;
1226 		dobj = &se->dobj;
1227 		ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1228 		break;
1229 	case SND_SOC_TPLG_CTL_RANGE:
1230 	case SND_SOC_TPLG_CTL_STROBE:
1231 	case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1232 	case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1233 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1234 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1235 	case SND_SOC_TPLG_DAPM_CTL_PIN:
1236 	default:
1237 		dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
1238 			 hdr->ops.get, hdr->ops.put, hdr->ops.info);
1239 		kfree(scontrol);
1240 		return 0;
1241 	}
1242 
1243 	if (ret < 0) {
1244 		kfree(scontrol);
1245 		return ret;
1246 	}
1247 
1248 	scontrol->led_ctl.led_value = -1;
1249 
1250 	dobj->private = scontrol;
1251 	list_add(&scontrol->list, &sdev->kcontrol_list);
1252 	return ret;
1253 }
1254 
1255 static int sof_control_unload(struct snd_soc_component *scomp,
1256 			      struct snd_soc_dobj *dobj)
1257 {
1258 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1259 	struct sof_ipc_free fcomp;
1260 	struct snd_sof_control *scontrol = dobj->private;
1261 
1262 	dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name);
1263 
1264 	fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1265 	fcomp.hdr.size = sizeof(fcomp);
1266 	fcomp.id = scontrol->comp_id;
1267 
1268 	kfree(scontrol->control_data);
1269 	list_del(&scontrol->list);
1270 	kfree(scontrol);
1271 	/* send IPC to the DSP */
1272 	return sof_ipc_tx_message(sdev->ipc,
1273 				  fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1274 				  NULL, 0);
1275 }
1276 
1277 /*
1278  * DAI Topology
1279  */
1280 
1281 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1282 				  struct snd_soc_dapm_widget *w,
1283 				  struct snd_soc_tplg_dapm_widget *tw,
1284 				  struct snd_sof_dai *dai)
1285 {
1286 	struct snd_soc_card *card = scomp->card;
1287 	struct snd_soc_pcm_runtime *rtd;
1288 	struct snd_soc_dai *cpu_dai;
1289 	int i;
1290 
1291 	list_for_each_entry(rtd, &card->rtd_list, list) {
1292 		dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1293 			 w->name,  w->sname, rtd->dai_link->stream_name);
1294 
1295 		if (!w->sname || !rtd->dai_link->stream_name)
1296 			continue;
1297 
1298 		/* does stream match DAI link ? */
1299 		if (strcmp(w->sname, rtd->dai_link->stream_name))
1300 			continue;
1301 
1302 		switch (w->id) {
1303 		case snd_soc_dapm_dai_out:
1304 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1305 				/*
1306 				 * Please create DAI widget in the right order
1307 				 * to ensure BE will connect to the right DAI
1308 				 * widget.
1309 				 */
1310 				if (!cpu_dai->capture_widget) {
1311 					cpu_dai->capture_widget = w;
1312 					break;
1313 				}
1314 			}
1315 			if (i == rtd->num_cpus) {
1316 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1317 					w->name);
1318 
1319 				return -EINVAL;
1320 			}
1321 			dai->name = rtd->dai_link->name;
1322 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1323 				w->name, rtd->dai_link->name);
1324 			break;
1325 		case snd_soc_dapm_dai_in:
1326 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1327 				/*
1328 				 * Please create DAI widget in the right order
1329 				 * to ensure BE will connect to the right DAI
1330 				 * widget.
1331 				 */
1332 				if (!cpu_dai->playback_widget) {
1333 					cpu_dai->playback_widget = w;
1334 					break;
1335 				}
1336 			}
1337 			if (i == rtd->num_cpus) {
1338 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1339 					w->name);
1340 
1341 				return -EINVAL;
1342 			}
1343 			dai->name = rtd->dai_link->name;
1344 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1345 				w->name, rtd->dai_link->name);
1346 			break;
1347 		default:
1348 			break;
1349 		}
1350 	}
1351 
1352 	/* check we have a connection */
1353 	if (!dai->name) {
1354 		dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
1355 			w->name, w->sname);
1356 		return -EINVAL;
1357 	}
1358 
1359 	return 0;
1360 }
1361 
1362 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1363 			       struct snd_sof_widget *swidget,
1364 			       struct snd_soc_tplg_dapm_widget *tw,
1365 			       struct sof_ipc_comp_reply *r,
1366 			       struct snd_sof_dai *dai)
1367 {
1368 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1369 	struct snd_soc_tplg_private *private = &tw->priv;
1370 	struct sof_ipc_comp_dai comp_dai;
1371 	int ret;
1372 
1373 	/* configure dai IPC message */
1374 	memset(&comp_dai, 0, sizeof(comp_dai));
1375 	comp_dai.comp.hdr.size = sizeof(comp_dai);
1376 	comp_dai.comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1377 	comp_dai.comp.id = swidget->comp_id;
1378 	comp_dai.comp.type = SOF_COMP_DAI;
1379 	comp_dai.comp.pipeline_id = index;
1380 	comp_dai.config.hdr.size = sizeof(comp_dai.config);
1381 
1382 	ret = sof_parse_tokens(scomp, &comp_dai, dai_tokens,
1383 			       ARRAY_SIZE(dai_tokens), private->array,
1384 			       le32_to_cpu(private->size));
1385 	if (ret != 0) {
1386 		dev_err(scomp->dev, "error: parse dai tokens failed %d\n",
1387 			le32_to_cpu(private->size));
1388 		return ret;
1389 	}
1390 
1391 	ret = sof_parse_tokens(scomp, &comp_dai.config, comp_tokens,
1392 			       ARRAY_SIZE(comp_tokens), private->array,
1393 			       le32_to_cpu(private->size));
1394 	if (ret != 0) {
1395 		dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n",
1396 			private->size);
1397 		return ret;
1398 	}
1399 
1400 	dev_dbg(scomp->dev, "dai %s: type %d index %d\n",
1401 		swidget->widget->name, comp_dai.type, comp_dai.dai_index);
1402 	sof_dbg_comp_config(scomp, &comp_dai.config);
1403 
1404 	ret = sof_ipc_tx_message(sdev->ipc, comp_dai.comp.hdr.cmd,
1405 				 &comp_dai, sizeof(comp_dai), r, sizeof(*r));
1406 
1407 	if (ret == 0 && dai) {
1408 		dai->scomp = scomp;
1409 		memcpy(&dai->comp_dai, &comp_dai, sizeof(comp_dai));
1410 	}
1411 
1412 	return ret;
1413 }
1414 
1415 /*
1416  * Buffer topology
1417  */
1418 
1419 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1420 				  struct snd_sof_widget *swidget,
1421 				  struct snd_soc_tplg_dapm_widget *tw,
1422 				  struct sof_ipc_comp_reply *r)
1423 {
1424 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1425 	struct snd_soc_tplg_private *private = &tw->priv;
1426 	struct sof_ipc_buffer *buffer;
1427 	int ret;
1428 
1429 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1430 	if (!buffer)
1431 		return -ENOMEM;
1432 
1433 	/* configure dai IPC message */
1434 	buffer->comp.hdr.size = sizeof(*buffer);
1435 	buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1436 	buffer->comp.id = swidget->comp_id;
1437 	buffer->comp.type = SOF_COMP_BUFFER;
1438 	buffer->comp.pipeline_id = index;
1439 
1440 	ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1441 			       ARRAY_SIZE(buffer_tokens), private->array,
1442 			       le32_to_cpu(private->size));
1443 	if (ret != 0) {
1444 		dev_err(scomp->dev, "error: parse buffer tokens failed %d\n",
1445 			private->size);
1446 		kfree(buffer);
1447 		return ret;
1448 	}
1449 
1450 	dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n",
1451 		swidget->widget->name, buffer->size, buffer->caps);
1452 
1453 	swidget->private = buffer;
1454 
1455 	ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1456 				 sizeof(*buffer), r, sizeof(*r));
1457 	if (ret < 0) {
1458 		dev_err(scomp->dev, "error: buffer %s load failed\n",
1459 			swidget->widget->name);
1460 		kfree(buffer);
1461 	}
1462 
1463 	return ret;
1464 }
1465 
1466 /* bind PCM ID to host component ID */
1467 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
1468 		     int dir)
1469 {
1470 	struct snd_sof_widget *host_widget;
1471 
1472 	host_widget = snd_sof_find_swidget_sname(scomp,
1473 						 spcm->pcm.caps[dir].name,
1474 						 dir);
1475 	if (!host_widget) {
1476 		dev_err(scomp->dev, "can't find host comp to bind pcm\n");
1477 		return -EINVAL;
1478 	}
1479 
1480 	spcm->stream[dir].comp_id = host_widget->comp_id;
1481 
1482 	return 0;
1483 }
1484 
1485 /*
1486  * PCM Topology
1487  */
1488 
1489 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1490 			       struct snd_sof_widget *swidget,
1491 			       enum sof_ipc_stream_direction dir,
1492 			       struct snd_soc_tplg_dapm_widget *tw,
1493 			       struct sof_ipc_comp_reply *r)
1494 {
1495 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1496 	struct snd_soc_tplg_private *private = &tw->priv;
1497 	struct sof_ipc_comp_host *host;
1498 	int ret;
1499 
1500 	host = kzalloc(sizeof(*host), GFP_KERNEL);
1501 	if (!host)
1502 		return -ENOMEM;
1503 
1504 	/* configure host comp IPC message */
1505 	host->comp.hdr.size = sizeof(*host);
1506 	host->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1507 	host->comp.id = swidget->comp_id;
1508 	host->comp.type = SOF_COMP_HOST;
1509 	host->comp.pipeline_id = index;
1510 	host->direction = dir;
1511 	host->config.hdr.size = sizeof(host->config);
1512 
1513 	ret = sof_parse_tokens(scomp, host, pcm_tokens,
1514 			       ARRAY_SIZE(pcm_tokens), private->array,
1515 			       le32_to_cpu(private->size));
1516 	if (ret != 0) {
1517 		dev_err(scomp->dev, "error: parse host tokens failed %d\n",
1518 			private->size);
1519 		goto err;
1520 	}
1521 
1522 	ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1523 			       ARRAY_SIZE(comp_tokens), private->array,
1524 			       le32_to_cpu(private->size));
1525 	if (ret != 0) {
1526 		dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n",
1527 			le32_to_cpu(private->size));
1528 		goto err;
1529 	}
1530 
1531 	dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name);
1532 	sof_dbg_comp_config(scomp, &host->config);
1533 
1534 	swidget->private = host;
1535 
1536 	ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1537 				 sizeof(*host), r, sizeof(*r));
1538 	if (ret >= 0)
1539 		return ret;
1540 err:
1541 	kfree(host);
1542 	return ret;
1543 }
1544 
1545 /*
1546  * Pipeline Topology
1547  */
1548 int sof_load_pipeline_ipc(struct device *dev,
1549 			  struct sof_ipc_pipe_new *pipeline,
1550 			  struct sof_ipc_comp_reply *r)
1551 {
1552 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
1553 	struct sof_ipc_pm_core_config pm_core_config;
1554 	int ret;
1555 
1556 	ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1557 				 sizeof(*pipeline), r, sizeof(*r));
1558 	if (ret < 0) {
1559 		dev_err(dev, "error: load pipeline ipc failure\n");
1560 		return ret;
1561 	}
1562 
1563 	/* power up the core that this pipeline is scheduled on */
1564 	ret = snd_sof_dsp_core_power_up(sdev, 1 << pipeline->core);
1565 	if (ret < 0) {
1566 		dev_err(dev, "error: powering up pipeline schedule core %d\n",
1567 			pipeline->core);
1568 		return ret;
1569 	}
1570 
1571 	/* update enabled cores mask */
1572 	sdev->enabled_cores_mask |= 1 << pipeline->core;
1573 
1574 	/*
1575 	 * Now notify DSP that the core that this pipeline is scheduled on
1576 	 * has been powered up
1577 	 */
1578 	memset(&pm_core_config, 0, sizeof(pm_core_config));
1579 	pm_core_config.enable_mask = sdev->enabled_cores_mask;
1580 
1581 	/* configure CORE_ENABLE ipc message */
1582 	pm_core_config.hdr.size = sizeof(pm_core_config);
1583 	pm_core_config.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE;
1584 
1585 	/* send ipc */
1586 	ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1587 				 &pm_core_config, sizeof(pm_core_config),
1588 				 &pm_core_config, sizeof(pm_core_config));
1589 	if (ret < 0)
1590 		dev_err(dev, "error: core enable ipc failure\n");
1591 
1592 	return ret;
1593 }
1594 
1595 static int sof_widget_load_pipeline(struct snd_soc_component *scomp,
1596 				    int index, struct snd_sof_widget *swidget,
1597 				    struct snd_soc_tplg_dapm_widget *tw,
1598 				    struct sof_ipc_comp_reply *r)
1599 {
1600 	struct snd_soc_tplg_private *private = &tw->priv;
1601 	struct sof_ipc_pipe_new *pipeline;
1602 	struct snd_sof_widget *comp_swidget;
1603 	int ret;
1604 
1605 	pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1606 	if (!pipeline)
1607 		return -ENOMEM;
1608 
1609 	/* configure dai IPC message */
1610 	pipeline->hdr.size = sizeof(*pipeline);
1611 	pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1612 	pipeline->pipeline_id = index;
1613 	pipeline->comp_id = swidget->comp_id;
1614 
1615 	/* component at start of pipeline is our stream id */
1616 	comp_swidget = snd_sof_find_swidget(scomp, tw->sname);
1617 	if (!comp_swidget) {
1618 		dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n",
1619 			tw->name, tw->sname);
1620 		ret = -EINVAL;
1621 		goto err;
1622 	}
1623 
1624 	pipeline->sched_id = comp_swidget->comp_id;
1625 
1626 	dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1627 		pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1628 
1629 	ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1630 			       ARRAY_SIZE(sched_tokens), private->array,
1631 			       le32_to_cpu(private->size));
1632 	if (ret != 0) {
1633 		dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n",
1634 			private->size);
1635 		goto err;
1636 	}
1637 
1638 	dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1639 		swidget->widget->name, pipeline->period, pipeline->priority,
1640 		pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1641 
1642 	swidget->private = pipeline;
1643 
1644 	/* send ipc's to create pipeline comp and power up schedule core */
1645 	ret = sof_load_pipeline_ipc(scomp->dev, pipeline, r);
1646 	if (ret >= 0)
1647 		return ret;
1648 err:
1649 	kfree(pipeline);
1650 	return ret;
1651 }
1652 
1653 /*
1654  * Mixer topology
1655  */
1656 
1657 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1658 				 struct snd_sof_widget *swidget,
1659 				 struct snd_soc_tplg_dapm_widget *tw,
1660 				 struct sof_ipc_comp_reply *r)
1661 {
1662 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1663 	struct snd_soc_tplg_private *private = &tw->priv;
1664 	struct sof_ipc_comp_mixer *mixer;
1665 	int ret;
1666 
1667 	mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
1668 	if (!mixer)
1669 		return -ENOMEM;
1670 
1671 	/* configure mixer IPC message */
1672 	mixer->comp.hdr.size = sizeof(*mixer);
1673 	mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1674 	mixer->comp.id = swidget->comp_id;
1675 	mixer->comp.type = SOF_COMP_MIXER;
1676 	mixer->comp.pipeline_id = index;
1677 	mixer->config.hdr.size = sizeof(mixer->config);
1678 
1679 	ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1680 			       ARRAY_SIZE(comp_tokens), private->array,
1681 			       le32_to_cpu(private->size));
1682 	if (ret != 0) {
1683 		dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n",
1684 			private->size);
1685 		kfree(mixer);
1686 		return ret;
1687 	}
1688 
1689 	sof_dbg_comp_config(scomp, &mixer->config);
1690 
1691 	swidget->private = mixer;
1692 
1693 	ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1694 				 sizeof(*mixer), r, sizeof(*r));
1695 	if (ret < 0)
1696 		kfree(mixer);
1697 
1698 	return ret;
1699 }
1700 
1701 /*
1702  * Mux topology
1703  */
1704 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1705 			       struct snd_sof_widget *swidget,
1706 			       struct snd_soc_tplg_dapm_widget *tw,
1707 			       struct sof_ipc_comp_reply *r)
1708 {
1709 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1710 	struct snd_soc_tplg_private *private = &tw->priv;
1711 	struct sof_ipc_comp_mux *mux;
1712 	int ret;
1713 
1714 	mux = kzalloc(sizeof(*mux), GFP_KERNEL);
1715 	if (!mux)
1716 		return -ENOMEM;
1717 
1718 	/* configure mux IPC message */
1719 	mux->comp.hdr.size = sizeof(*mux);
1720 	mux->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1721 	mux->comp.id = swidget->comp_id;
1722 	mux->comp.type = SOF_COMP_MUX;
1723 	mux->comp.pipeline_id = index;
1724 	mux->config.hdr.size = sizeof(mux->config);
1725 
1726 	ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1727 			       ARRAY_SIZE(comp_tokens), private->array,
1728 			       le32_to_cpu(private->size));
1729 	if (ret != 0) {
1730 		dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n",
1731 			private->size);
1732 		kfree(mux);
1733 		return ret;
1734 	}
1735 
1736 	sof_dbg_comp_config(scomp, &mux->config);
1737 
1738 	swidget->private = mux;
1739 
1740 	ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1741 				 sizeof(*mux), r, sizeof(*r));
1742 	if (ret < 0)
1743 		kfree(mux);
1744 
1745 	return ret;
1746 }
1747 
1748 /*
1749  * PGA Topology
1750  */
1751 
1752 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1753 			       struct snd_sof_widget *swidget,
1754 			       struct snd_soc_tplg_dapm_widget *tw,
1755 			       struct sof_ipc_comp_reply *r)
1756 {
1757 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1758 	struct snd_soc_tplg_private *private = &tw->priv;
1759 	struct sof_ipc_comp_volume *volume;
1760 	struct snd_sof_control *scontrol;
1761 	int min_step;
1762 	int max_step;
1763 	int ret;
1764 
1765 	volume = kzalloc(sizeof(*volume), GFP_KERNEL);
1766 	if (!volume)
1767 		return -ENOMEM;
1768 
1769 	if (!le32_to_cpu(tw->num_kcontrols)) {
1770 		dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n",
1771 			tw->num_kcontrols);
1772 		ret = -EINVAL;
1773 		goto err;
1774 	}
1775 
1776 	/* configure volume IPC message */
1777 	volume->comp.hdr.size = sizeof(*volume);
1778 	volume->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1779 	volume->comp.id = swidget->comp_id;
1780 	volume->comp.type = SOF_COMP_VOLUME;
1781 	volume->comp.pipeline_id = index;
1782 	volume->config.hdr.size = sizeof(volume->config);
1783 
1784 	ret = sof_parse_tokens(scomp, volume, volume_tokens,
1785 			       ARRAY_SIZE(volume_tokens), private->array,
1786 			       le32_to_cpu(private->size));
1787 	if (ret != 0) {
1788 		dev_err(scomp->dev, "error: parse volume tokens failed %d\n",
1789 			private->size);
1790 		goto err;
1791 	}
1792 	ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1793 			       ARRAY_SIZE(comp_tokens), private->array,
1794 			       le32_to_cpu(private->size));
1795 	if (ret != 0) {
1796 		dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n",
1797 			le32_to_cpu(private->size));
1798 		goto err;
1799 	}
1800 
1801 	sof_dbg_comp_config(scomp, &volume->config);
1802 
1803 	swidget->private = volume;
1804 
1805 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1806 		if (scontrol->comp_id == swidget->comp_id &&
1807 		    scontrol->volume_table) {
1808 			min_step = scontrol->min_volume_step;
1809 			max_step = scontrol->max_volume_step;
1810 			volume->min_value = scontrol->volume_table[min_step];
1811 			volume->max_value = scontrol->volume_table[max_step];
1812 			volume->channels = scontrol->num_channels;
1813 			break;
1814 		}
1815 	}
1816 
1817 	ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1818 				 sizeof(*volume), r, sizeof(*r));
1819 	if (ret >= 0)
1820 		return ret;
1821 err:
1822 	kfree(volume);
1823 	return ret;
1824 }
1825 
1826 /*
1827  * SRC Topology
1828  */
1829 
1830 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1831 			       struct snd_sof_widget *swidget,
1832 			       struct snd_soc_tplg_dapm_widget *tw,
1833 			       struct sof_ipc_comp_reply *r)
1834 {
1835 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1836 	struct snd_soc_tplg_private *private = &tw->priv;
1837 	struct sof_ipc_comp_src *src;
1838 	int ret;
1839 
1840 	src = kzalloc(sizeof(*src), GFP_KERNEL);
1841 	if (!src)
1842 		return -ENOMEM;
1843 
1844 	/* configure src IPC message */
1845 	src->comp.hdr.size = sizeof(*src);
1846 	src->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1847 	src->comp.id = swidget->comp_id;
1848 	src->comp.type = SOF_COMP_SRC;
1849 	src->comp.pipeline_id = index;
1850 	src->config.hdr.size = sizeof(src->config);
1851 
1852 	ret = sof_parse_tokens(scomp, src, src_tokens,
1853 			       ARRAY_SIZE(src_tokens), private->array,
1854 			       le32_to_cpu(private->size));
1855 	if (ret != 0) {
1856 		dev_err(scomp->dev, "error: parse src tokens failed %d\n",
1857 			private->size);
1858 		goto err;
1859 	}
1860 
1861 	ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1862 			       ARRAY_SIZE(comp_tokens), private->array,
1863 			       le32_to_cpu(private->size));
1864 	if (ret != 0) {
1865 		dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n",
1866 			le32_to_cpu(private->size));
1867 		goto err;
1868 	}
1869 
1870 	dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n",
1871 		swidget->widget->name, src->source_rate, src->sink_rate);
1872 	sof_dbg_comp_config(scomp, &src->config);
1873 
1874 	swidget->private = src;
1875 
1876 	ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1877 				 sizeof(*src), r, sizeof(*r));
1878 	if (ret >= 0)
1879 		return ret;
1880 err:
1881 	kfree(src);
1882 	return ret;
1883 }
1884 
1885 /*
1886  * ASRC Topology
1887  */
1888 
1889 static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index,
1890 				struct snd_sof_widget *swidget,
1891 				struct snd_soc_tplg_dapm_widget *tw,
1892 				struct sof_ipc_comp_reply *r)
1893 {
1894 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1895 	struct snd_soc_tplg_private *private = &tw->priv;
1896 	struct sof_ipc_comp_asrc *asrc;
1897 	int ret;
1898 
1899 	asrc = kzalloc(sizeof(*asrc), GFP_KERNEL);
1900 	if (!asrc)
1901 		return -ENOMEM;
1902 
1903 	/* configure ASRC IPC message */
1904 	asrc->comp.hdr.size = sizeof(*asrc);
1905 	asrc->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1906 	asrc->comp.id = swidget->comp_id;
1907 	asrc->comp.type = SOF_COMP_ASRC;
1908 	asrc->comp.pipeline_id = index;
1909 	asrc->config.hdr.size = sizeof(asrc->config);
1910 
1911 	ret = sof_parse_tokens(scomp, asrc, asrc_tokens,
1912 			       ARRAY_SIZE(asrc_tokens), private->array,
1913 			       le32_to_cpu(private->size));
1914 	if (ret != 0) {
1915 		dev_err(scomp->dev, "error: parse asrc tokens failed %d\n",
1916 			private->size);
1917 		goto err;
1918 	}
1919 
1920 	ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens,
1921 			       ARRAY_SIZE(comp_tokens), private->array,
1922 			       le32_to_cpu(private->size));
1923 	if (ret != 0) {
1924 		dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n",
1925 			le32_to_cpu(private->size));
1926 		goto err;
1927 	}
1928 
1929 	dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d "
1930 		"asynch %d operation %d\n",
1931 		swidget->widget->name, asrc->source_rate, asrc->sink_rate,
1932 		asrc->asynchronous_mode, asrc->operation_mode);
1933 	sof_dbg_comp_config(scomp, &asrc->config);
1934 
1935 	swidget->private = asrc;
1936 
1937 	ret = sof_ipc_tx_message(sdev->ipc, asrc->comp.hdr.cmd, asrc,
1938 				 sizeof(*asrc), r, sizeof(*r));
1939 	if (ret >= 0)
1940 		return ret;
1941 err:
1942 	kfree(asrc);
1943 	return ret;
1944 }
1945 
1946 /*
1947  * Signal Generator Topology
1948  */
1949 
1950 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
1951 				  struct snd_sof_widget *swidget,
1952 				  struct snd_soc_tplg_dapm_widget *tw,
1953 				  struct sof_ipc_comp_reply *r)
1954 {
1955 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1956 	struct snd_soc_tplg_private *private = &tw->priv;
1957 	struct sof_ipc_comp_tone *tone;
1958 	int ret;
1959 
1960 	tone = kzalloc(sizeof(*tone), GFP_KERNEL);
1961 	if (!tone)
1962 		return -ENOMEM;
1963 
1964 	/* configure siggen IPC message */
1965 	tone->comp.hdr.size = sizeof(*tone);
1966 	tone->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1967 	tone->comp.id = swidget->comp_id;
1968 	tone->comp.type = SOF_COMP_TONE;
1969 	tone->comp.pipeline_id = index;
1970 	tone->config.hdr.size = sizeof(tone->config);
1971 
1972 	ret = sof_parse_tokens(scomp, tone, tone_tokens,
1973 			       ARRAY_SIZE(tone_tokens), private->array,
1974 			       le32_to_cpu(private->size));
1975 	if (ret != 0) {
1976 		dev_err(scomp->dev, "error: parse tone tokens failed %d\n",
1977 			le32_to_cpu(private->size));
1978 		goto err;
1979 	}
1980 
1981 	ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
1982 			       ARRAY_SIZE(comp_tokens), private->array,
1983 			       le32_to_cpu(private->size));
1984 	if (ret != 0) {
1985 		dev_err(scomp->dev, "error: parse tone.cfg tokens failed %d\n",
1986 			le32_to_cpu(private->size));
1987 		goto err;
1988 	}
1989 
1990 	dev_dbg(scomp->dev, "tone %s: frequency %d amplitude %d\n",
1991 		swidget->widget->name, tone->frequency, tone->amplitude);
1992 	sof_dbg_comp_config(scomp, &tone->config);
1993 
1994 	swidget->private = tone;
1995 
1996 	ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
1997 				 sizeof(*tone), r, sizeof(*r));
1998 	if (ret >= 0)
1999 		return ret;
2000 err:
2001 	kfree(tone);
2002 	return ret;
2003 }
2004 
2005 static int sof_get_control_data(struct snd_soc_component *scomp,
2006 				struct snd_soc_dapm_widget *widget,
2007 				struct sof_widget_data *wdata,
2008 				size_t *size)
2009 {
2010 	const struct snd_kcontrol_new *kc;
2011 	struct soc_mixer_control *sm;
2012 	struct soc_bytes_ext *sbe;
2013 	struct soc_enum *se;
2014 	int i;
2015 
2016 	*size = 0;
2017 
2018 	for (i = 0; i < widget->num_kcontrols; i++) {
2019 		kc = &widget->kcontrol_news[i];
2020 
2021 		switch (widget->dobj.widget.kcontrol_type) {
2022 		case SND_SOC_TPLG_TYPE_MIXER:
2023 			sm = (struct soc_mixer_control *)kc->private_value;
2024 			wdata[i].control = sm->dobj.private;
2025 			break;
2026 		case SND_SOC_TPLG_TYPE_BYTES:
2027 			sbe = (struct soc_bytes_ext *)kc->private_value;
2028 			wdata[i].control = sbe->dobj.private;
2029 			break;
2030 		case SND_SOC_TPLG_TYPE_ENUM:
2031 			se = (struct soc_enum *)kc->private_value;
2032 			wdata[i].control = se->dobj.private;
2033 			break;
2034 		default:
2035 			dev_err(scomp->dev, "error: unknown kcontrol type %d in widget %s\n",
2036 				widget->dobj.widget.kcontrol_type,
2037 				widget->name);
2038 			return -EINVAL;
2039 		}
2040 
2041 		if (!wdata[i].control) {
2042 			dev_err(scomp->dev, "error: no scontrol for widget %s\n",
2043 				widget->name);
2044 			return -EINVAL;
2045 		}
2046 
2047 		wdata[i].pdata = wdata[i].control->control_data->data;
2048 		if (!wdata[i].pdata)
2049 			return -EINVAL;
2050 
2051 		/* make sure data is valid - data can be updated at runtime */
2052 		if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
2053 			return -EINVAL;
2054 
2055 		*size += wdata[i].pdata->size;
2056 
2057 		/* get data type */
2058 		switch (wdata[i].control->cmd) {
2059 		case SOF_CTRL_CMD_VOLUME:
2060 		case SOF_CTRL_CMD_ENUM:
2061 		case SOF_CTRL_CMD_SWITCH:
2062 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
2063 			wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
2064 			break;
2065 		case SOF_CTRL_CMD_BINARY:
2066 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
2067 			wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
2068 			break;
2069 		default:
2070 			break;
2071 		}
2072 	}
2073 
2074 	return 0;
2075 }
2076 
2077 static int sof_process_load(struct snd_soc_component *scomp, int index,
2078 			    struct snd_sof_widget *swidget,
2079 			    struct snd_soc_tplg_dapm_widget *tw,
2080 			    struct sof_ipc_comp_reply *r,
2081 			    int type)
2082 {
2083 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2084 	struct snd_soc_dapm_widget *widget = swidget->widget;
2085 	struct snd_soc_tplg_private *private = &tw->priv;
2086 	struct sof_ipc_comp_process *process = NULL;
2087 	struct sof_widget_data *wdata = NULL;
2088 	size_t ipc_data_size = 0;
2089 	size_t ipc_size;
2090 	int offset = 0;
2091 	int ret = 0;
2092 	int i;
2093 
2094 	if (type == SOF_COMP_NONE) {
2095 		dev_err(scomp->dev, "error: invalid process comp type %d\n",
2096 			type);
2097 		return -EINVAL;
2098 	}
2099 
2100 	/* allocate struct for widget control data sizes and types */
2101 	if (widget->num_kcontrols) {
2102 		wdata = kcalloc(widget->num_kcontrols,
2103 				sizeof(*wdata),
2104 				GFP_KERNEL);
2105 
2106 		if (!wdata)
2107 			return -ENOMEM;
2108 
2109 		/* get possible component controls and get size of all pdata */
2110 		ret = sof_get_control_data(scomp, widget, wdata,
2111 					   &ipc_data_size);
2112 
2113 		if (ret < 0)
2114 			goto out;
2115 	}
2116 
2117 	ipc_size = sizeof(struct sof_ipc_comp_process) +
2118 		le32_to_cpu(private->size) +
2119 		ipc_data_size;
2120 
2121 	/* we are exceeding max ipc size, config needs to be sent separately */
2122 	if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
2123 		ipc_size -= ipc_data_size;
2124 		ipc_data_size = 0;
2125 	}
2126 
2127 	process = kzalloc(ipc_size, GFP_KERNEL);
2128 	if (!process) {
2129 		ret = -ENOMEM;
2130 		goto out;
2131 	}
2132 
2133 	/* configure iir IPC message */
2134 	process->comp.hdr.size = ipc_size;
2135 	process->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
2136 	process->comp.id = swidget->comp_id;
2137 	process->comp.type = type;
2138 	process->comp.pipeline_id = index;
2139 	process->config.hdr.size = sizeof(process->config);
2140 
2141 	ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
2142 			       ARRAY_SIZE(comp_tokens), private->array,
2143 			       le32_to_cpu(private->size));
2144 	if (ret != 0) {
2145 		dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n",
2146 			le32_to_cpu(private->size));
2147 		goto err;
2148 	}
2149 
2150 	sof_dbg_comp_config(scomp, &process->config);
2151 
2152 	/*
2153 	 * found private data in control, so copy it.
2154 	 * get possible component controls - get size of all pdata,
2155 	 * then memcpy with headers
2156 	 */
2157 	if (ipc_data_size) {
2158 		for (i = 0; i < widget->num_kcontrols; i++) {
2159 			memcpy(&process->data + offset,
2160 			       wdata[i].pdata->data,
2161 			       wdata[i].pdata->size);
2162 			offset += wdata[i].pdata->size;
2163 		}
2164 	}
2165 
2166 	process->size = ipc_data_size;
2167 	swidget->private = process;
2168 
2169 	ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
2170 				 ipc_size, r, sizeof(*r));
2171 
2172 	if (ret < 0) {
2173 		dev_err(scomp->dev, "error: create process failed\n");
2174 		goto err;
2175 	}
2176 
2177 	/* we sent the data in single message so return */
2178 	if (ipc_data_size)
2179 		goto out;
2180 
2181 	/* send control data with large message supported method */
2182 	for (i = 0; i < widget->num_kcontrols; i++) {
2183 		wdata[i].control->readback_offset = 0;
2184 		ret = snd_sof_ipc_set_get_comp_data(wdata[i].control,
2185 						    wdata[i].ipc_cmd,
2186 						    wdata[i].ctrl_type,
2187 						    wdata[i].control->cmd,
2188 						    true);
2189 		if (ret != 0) {
2190 			dev_err(scomp->dev, "error: send control failed\n");
2191 			break;
2192 		}
2193 	}
2194 
2195 err:
2196 	if (ret < 0)
2197 		kfree(process);
2198 out:
2199 	kfree(wdata);
2200 	return ret;
2201 }
2202 
2203 /*
2204  * Processing Component Topology - can be "effect", "codec", or general
2205  * "processing".
2206  */
2207 
2208 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
2209 				   struct snd_sof_widget *swidget,
2210 				   struct snd_soc_tplg_dapm_widget *tw,
2211 				   struct sof_ipc_comp_reply *r)
2212 {
2213 	struct snd_soc_tplg_private *private = &tw->priv;
2214 	struct sof_ipc_comp_process config;
2215 	int ret;
2216 
2217 	/* check we have some tokens - we need at least process type */
2218 	if (le32_to_cpu(private->size) == 0) {
2219 		dev_err(scomp->dev, "error: process tokens not found\n");
2220 		return -EINVAL;
2221 	}
2222 
2223 	memset(&config, 0, sizeof(config));
2224 
2225 	/* get the process token */
2226 	ret = sof_parse_tokens(scomp, &config, process_tokens,
2227 			       ARRAY_SIZE(process_tokens), private->array,
2228 			       le32_to_cpu(private->size));
2229 	if (ret != 0) {
2230 		dev_err(scomp->dev, "error: parse process tokens failed %d\n",
2231 			le32_to_cpu(private->size));
2232 		return ret;
2233 	}
2234 
2235 	/* now load process specific data and send IPC */
2236 	ret = sof_process_load(scomp, index, swidget, tw, r,
2237 			       find_process_comp_type(config.type));
2238 	if (ret < 0) {
2239 		dev_err(scomp->dev, "error: process loading failed\n");
2240 		return ret;
2241 	}
2242 
2243 	return 0;
2244 }
2245 
2246 static int sof_widget_bind_event(struct snd_soc_component *scomp,
2247 				 struct snd_sof_widget *swidget,
2248 				 u16 event_type)
2249 {
2250 	struct sof_ipc_comp *ipc_comp;
2251 
2252 	/* validate widget event type */
2253 	switch (event_type) {
2254 	case SOF_KEYWORD_DETECT_DAPM_EVENT:
2255 		/* only KEYWORD_DETECT comps should handle this */
2256 		if (swidget->id != snd_soc_dapm_effect)
2257 			break;
2258 
2259 		ipc_comp = swidget->private;
2260 		if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2261 			break;
2262 
2263 		/* bind event to keyword detect comp */
2264 		return snd_soc_tplg_widget_bind_event(swidget->widget,
2265 						      sof_kwd_events,
2266 						      ARRAY_SIZE(sof_kwd_events),
2267 						      event_type);
2268 	default:
2269 		break;
2270 	}
2271 
2272 	dev_err(scomp->dev,
2273 		"error: invalid event type %d for widget %s\n",
2274 		event_type, swidget->widget->name);
2275 	return -EINVAL;
2276 }
2277 
2278 /* external widget init - used for any driver specific init */
2279 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2280 			    struct snd_soc_dapm_widget *w,
2281 			    struct snd_soc_tplg_dapm_widget *tw)
2282 {
2283 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2284 	struct snd_sof_widget *swidget;
2285 	struct snd_sof_dai *dai;
2286 	struct sof_ipc_comp_reply reply;
2287 	struct snd_sof_control *scontrol;
2288 	int ret = 0;
2289 
2290 	swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2291 	if (!swidget)
2292 		return -ENOMEM;
2293 
2294 	swidget->scomp = scomp;
2295 	swidget->widget = w;
2296 	swidget->comp_id = sdev->next_comp_id++;
2297 	swidget->complete = 0;
2298 	swidget->id = w->id;
2299 	swidget->pipeline_id = index;
2300 	swidget->private = NULL;
2301 	memset(&reply, 0, sizeof(reply));
2302 
2303 	dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2304 		swidget->comp_id, index, swidget->id, tw->name,
2305 		strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2306 			? tw->sname : "none");
2307 
2308 	/* handle any special case widgets */
2309 	switch (w->id) {
2310 	case snd_soc_dapm_dai_in:
2311 	case snd_soc_dapm_dai_out:
2312 		dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2313 		if (!dai) {
2314 			kfree(swidget);
2315 			return -ENOMEM;
2316 		}
2317 
2318 		ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply,
2319 					  dai);
2320 		if (ret == 0) {
2321 			sof_connect_dai_widget(scomp, w, tw, dai);
2322 			list_add(&dai->list, &sdev->dai_list);
2323 			swidget->private = dai;
2324 		} else {
2325 			kfree(dai);
2326 		}
2327 		break;
2328 	case snd_soc_dapm_mixer:
2329 		ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2330 		break;
2331 	case snd_soc_dapm_pga:
2332 		ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2333 		/* Find scontrol for this pga and set readback offset*/
2334 		list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2335 			if (scontrol->comp_id == swidget->comp_id) {
2336 				scontrol->readback_offset = reply.offset;
2337 				break;
2338 			}
2339 		}
2340 		break;
2341 	case snd_soc_dapm_buffer:
2342 		ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2343 		break;
2344 	case snd_soc_dapm_scheduler:
2345 		ret = sof_widget_load_pipeline(scomp, index, swidget, tw,
2346 					       &reply);
2347 		break;
2348 	case snd_soc_dapm_aif_out:
2349 		ret = sof_widget_load_pcm(scomp, index, swidget,
2350 					  SOF_IPC_STREAM_CAPTURE, tw, &reply);
2351 		break;
2352 	case snd_soc_dapm_aif_in:
2353 		ret = sof_widget_load_pcm(scomp, index, swidget,
2354 					  SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2355 		break;
2356 	case snd_soc_dapm_src:
2357 		ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2358 		break;
2359 	case snd_soc_dapm_asrc:
2360 		ret = sof_widget_load_asrc(scomp, index, swidget, tw, &reply);
2361 		break;
2362 	case snd_soc_dapm_siggen:
2363 		ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2364 		break;
2365 	case snd_soc_dapm_effect:
2366 		ret = sof_widget_load_process(scomp, index, swidget, tw,
2367 					      &reply);
2368 		break;
2369 	case snd_soc_dapm_mux:
2370 	case snd_soc_dapm_demux:
2371 		ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2372 		break;
2373 	case snd_soc_dapm_switch:
2374 	case snd_soc_dapm_dai_link:
2375 	case snd_soc_dapm_kcontrol:
2376 	default:
2377 		dev_warn(scomp->dev, "warning: widget type %d name %s not handled\n",
2378 			 swidget->id, tw->name);
2379 		break;
2380 	}
2381 
2382 	/* check IPC reply */
2383 	if (ret < 0 || reply.rhdr.error < 0) {
2384 		dev_err(scomp->dev,
2385 			"error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2386 			tw->shift, swidget->id, tw->name,
2387 			strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2388 				? tw->sname : "none", reply.rhdr.error);
2389 		kfree(swidget);
2390 		return ret;
2391 	}
2392 
2393 	/* bind widget to external event */
2394 	if (tw->event_type) {
2395 		ret = sof_widget_bind_event(scomp, swidget,
2396 					    le16_to_cpu(tw->event_type));
2397 		if (ret) {
2398 			dev_err(scomp->dev, "error: widget event binding failed\n");
2399 			kfree(swidget->private);
2400 			kfree(swidget);
2401 			return ret;
2402 		}
2403 	}
2404 
2405 	w->dobj.private = swidget;
2406 	list_add(&swidget->list, &sdev->widget_list);
2407 	return ret;
2408 }
2409 
2410 static int sof_route_unload(struct snd_soc_component *scomp,
2411 			    struct snd_soc_dobj *dobj)
2412 {
2413 	struct snd_sof_route *sroute;
2414 
2415 	sroute = dobj->private;
2416 	if (!sroute)
2417 		return 0;
2418 
2419 	/* free sroute and its private data */
2420 	kfree(sroute->private);
2421 	list_del(&sroute->list);
2422 	kfree(sroute);
2423 
2424 	return 0;
2425 }
2426 
2427 static int sof_widget_unload(struct snd_soc_component *scomp,
2428 			     struct snd_soc_dobj *dobj)
2429 {
2430 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2431 	const struct snd_kcontrol_new *kc;
2432 	struct snd_soc_dapm_widget *widget;
2433 	struct sof_ipc_pipe_new *pipeline;
2434 	struct snd_sof_control *scontrol;
2435 	struct snd_sof_widget *swidget;
2436 	struct soc_mixer_control *sm;
2437 	struct soc_bytes_ext *sbe;
2438 	struct snd_sof_dai *dai;
2439 	struct soc_enum *se;
2440 	int ret = 0;
2441 	int i;
2442 
2443 	swidget = dobj->private;
2444 	if (!swidget)
2445 		return 0;
2446 
2447 	widget = swidget->widget;
2448 
2449 	switch (swidget->id) {
2450 	case snd_soc_dapm_dai_in:
2451 	case snd_soc_dapm_dai_out:
2452 		dai = swidget->private;
2453 
2454 		if (dai) {
2455 			/* free dai config */
2456 			kfree(dai->dai_config);
2457 			list_del(&dai->list);
2458 		}
2459 		break;
2460 	case snd_soc_dapm_scheduler:
2461 
2462 		/* power down the pipeline schedule core */
2463 		pipeline = swidget->private;
2464 		ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2465 		if (ret < 0)
2466 			dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n",
2467 				pipeline->core);
2468 
2469 		/* update enabled cores mask */
2470 		sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2471 
2472 		break;
2473 	default:
2474 		break;
2475 	}
2476 	for (i = 0; i < widget->num_kcontrols; i++) {
2477 		kc = &widget->kcontrol_news[i];
2478 		switch (dobj->widget.kcontrol_type) {
2479 		case SND_SOC_TPLG_TYPE_MIXER:
2480 			sm = (struct soc_mixer_control *)kc->private_value;
2481 			scontrol = sm->dobj.private;
2482 			if (sm->max > 1)
2483 				kfree(scontrol->volume_table);
2484 			break;
2485 		case SND_SOC_TPLG_TYPE_ENUM:
2486 			se = (struct soc_enum *)kc->private_value;
2487 			scontrol = se->dobj.private;
2488 			break;
2489 		case SND_SOC_TPLG_TYPE_BYTES:
2490 			sbe = (struct soc_bytes_ext *)kc->private_value;
2491 			scontrol = sbe->dobj.private;
2492 			break;
2493 		default:
2494 			dev_warn(scomp->dev, "unsupported kcontrol_type\n");
2495 			goto out;
2496 		}
2497 		kfree(scontrol->control_data);
2498 		list_del(&scontrol->list);
2499 		kfree(scontrol);
2500 	}
2501 
2502 out:
2503 	/* free private value */
2504 	kfree(swidget->private);
2505 
2506 	/* remove and free swidget object */
2507 	list_del(&swidget->list);
2508 	kfree(swidget);
2509 
2510 	return ret;
2511 }
2512 
2513 /*
2514  * DAI HW configuration.
2515  */
2516 
2517 /* FE DAI - used for any driver specific init */
2518 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2519 			struct snd_soc_dai_driver *dai_drv,
2520 			struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2521 {
2522 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2523 	struct snd_soc_tplg_stream_caps *caps;
2524 	struct snd_soc_tplg_private *private = &pcm->priv;
2525 	struct snd_sof_pcm *spcm;
2526 	int stream;
2527 	int ret = 0;
2528 
2529 	/* nothing to do for BEs atm */
2530 	if (!pcm)
2531 		return 0;
2532 
2533 	spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2534 	if (!spcm)
2535 		return -ENOMEM;
2536 
2537 	spcm->scomp = scomp;
2538 
2539 	for_each_pcm_streams(stream) {
2540 		spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
2541 		INIT_WORK(&spcm->stream[stream].period_elapsed_work,
2542 			  snd_sof_pcm_period_elapsed_work);
2543 	}
2544 
2545 	spcm->pcm = *pcm;
2546 	dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
2547 
2548 	dai_drv->dobj.private = spcm;
2549 	list_add(&spcm->list, &sdev->pcm_list);
2550 
2551 	ret = sof_parse_tokens(scomp, spcm, stream_tokens,
2552 			       ARRAY_SIZE(stream_tokens), private->array,
2553 			       le32_to_cpu(private->size));
2554 	if (ret) {
2555 		dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
2556 			le32_to_cpu(private->size));
2557 		return ret;
2558 	}
2559 
2560 	/* do we need to allocate playback PCM DMA pages */
2561 	if (!spcm->pcm.playback)
2562 		goto capture;
2563 
2564 	stream = SNDRV_PCM_STREAM_PLAYBACK;
2565 
2566 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: playback d0i3:%d\n",
2567 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2568 
2569 	caps = &spcm->pcm.caps[stream];
2570 
2571 	/* allocate playback page table buffer */
2572 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2573 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2574 	if (ret < 0) {
2575 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2576 			caps->name, ret);
2577 
2578 		return ret;
2579 	}
2580 
2581 	/* bind pcm to host comp */
2582 	ret = spcm_bind(scomp, spcm, stream);
2583 	if (ret) {
2584 		dev_err(scomp->dev,
2585 			"error: can't bind pcm to host\n");
2586 		goto free_playback_tables;
2587 	}
2588 
2589 capture:
2590 	stream = SNDRV_PCM_STREAM_CAPTURE;
2591 
2592 	/* do we need to allocate capture PCM DMA pages */
2593 	if (!spcm->pcm.capture)
2594 		return ret;
2595 
2596 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: capture d0i3:%d\n",
2597 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2598 
2599 	caps = &spcm->pcm.caps[stream];
2600 
2601 	/* allocate capture page table buffer */
2602 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2603 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2604 	if (ret < 0) {
2605 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2606 			caps->name, ret);
2607 		goto free_playback_tables;
2608 	}
2609 
2610 	/* bind pcm to host comp */
2611 	ret = spcm_bind(scomp, spcm, stream);
2612 	if (ret) {
2613 		dev_err(scomp->dev,
2614 			"error: can't bind pcm to host\n");
2615 		snd_dma_free_pages(&spcm->stream[stream].page_table);
2616 		goto free_playback_tables;
2617 	}
2618 
2619 	return ret;
2620 
2621 free_playback_tables:
2622 	if (spcm->pcm.playback)
2623 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2624 
2625 	return ret;
2626 }
2627 
2628 static int sof_dai_unload(struct snd_soc_component *scomp,
2629 			  struct snd_soc_dobj *dobj)
2630 {
2631 	struct snd_sof_pcm *spcm = dobj->private;
2632 
2633 	/* free PCM DMA pages */
2634 	if (spcm->pcm.playback)
2635 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2636 
2637 	if (spcm->pcm.capture)
2638 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2639 
2640 	/* remove from list and free spcm */
2641 	list_del(&spcm->list);
2642 	kfree(spcm);
2643 
2644 	return 0;
2645 }
2646 
2647 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2648 			       struct sof_ipc_dai_config *config)
2649 {
2650 	/* clock directions wrt codec */
2651 	if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
2652 		/* codec is bclk master */
2653 		if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2654 			config->format |= SOF_DAI_FMT_CBM_CFM;
2655 		else
2656 			config->format |= SOF_DAI_FMT_CBM_CFS;
2657 	} else {
2658 		/* codec is bclk slave */
2659 		if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2660 			config->format |= SOF_DAI_FMT_CBS_CFM;
2661 		else
2662 			config->format |= SOF_DAI_FMT_CBS_CFS;
2663 	}
2664 
2665 	/* inverted clocks ? */
2666 	if (hw_config->invert_bclk) {
2667 		if (hw_config->invert_fsync)
2668 			config->format |= SOF_DAI_FMT_IB_IF;
2669 		else
2670 			config->format |= SOF_DAI_FMT_IB_NF;
2671 	} else {
2672 		if (hw_config->invert_fsync)
2673 			config->format |= SOF_DAI_FMT_NB_IF;
2674 		else
2675 			config->format |= SOF_DAI_FMT_NB_NF;
2676 	}
2677 }
2678 
2679 /*
2680  * Send IPC and set the same config for all DAIs with name matching the link
2681  * name. Note that the function can only be used for the case that all DAIs
2682  * have a common DAI config for now.
2683  */
2684 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2685 			      struct snd_soc_dai_link *link,
2686 			      struct sof_ipc_dai_config *config)
2687 {
2688 	struct snd_sof_dai *dai;
2689 	int found = 0;
2690 
2691 	list_for_each_entry(dai, &sdev->dai_list, list) {
2692 		if (!dai->name)
2693 			continue;
2694 
2695 		if (strcmp(link->name, dai->name) == 0) {
2696 			struct sof_ipc_reply reply;
2697 			int ret;
2698 
2699 			/*
2700 			 * the same dai config will be applied to all DAIs in
2701 			 * the same dai link. We have to ensure that the ipc
2702 			 * dai config's dai_index match to the component's
2703 			 * dai_index.
2704 			 */
2705 			config->dai_index = dai->comp_dai.dai_index;
2706 
2707 			/* send message to DSP */
2708 			ret = sof_ipc_tx_message(sdev->ipc,
2709 						 config->hdr.cmd, config, size,
2710 						 &reply, sizeof(reply));
2711 
2712 			if (ret < 0) {
2713 				dev_err(sdev->dev, "error: failed to set DAI config for %s index %d\n",
2714 					dai->name, config->dai_index);
2715 				return ret;
2716 			}
2717 			dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2718 			if (!dai->dai_config)
2719 				return -ENOMEM;
2720 
2721 			/* set cpu_dai_name */
2722 			dai->cpu_dai_name = link->cpus->dai_name;
2723 
2724 			found = 1;
2725 		}
2726 	}
2727 
2728 	/*
2729 	 * machine driver may define a dai link with playback and capture
2730 	 * dai enabled, but the dai link in topology would support both, one
2731 	 * or none of them. Here print a warning message to notify user
2732 	 */
2733 	if (!found) {
2734 		dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2735 			 link->name);
2736 	}
2737 
2738 	return 0;
2739 }
2740 
2741 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2742 			     struct snd_soc_dai_link *link,
2743 			     struct snd_soc_tplg_link_config *cfg,
2744 			     struct snd_soc_tplg_hw_config *hw_config,
2745 			     struct sof_ipc_dai_config *config)
2746 {
2747 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2748 	struct snd_soc_tplg_private *private = &cfg->priv;
2749 	u32 size = sizeof(*config);
2750 	int ret;
2751 
2752 	/* handle master/slave and inverted clocks */
2753 	sof_dai_set_format(hw_config, config);
2754 
2755 	/* init IPC */
2756 	memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2757 	config->hdr.size = size;
2758 
2759 	ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2760 			       ARRAY_SIZE(ssp_tokens), private->array,
2761 			       le32_to_cpu(private->size));
2762 	if (ret != 0) {
2763 		dev_err(scomp->dev, "error: parse ssp tokens failed %d\n",
2764 			le32_to_cpu(private->size));
2765 		return ret;
2766 	}
2767 
2768 	config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2769 	config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2770 	config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2771 	config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2772 	config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2773 	config->ssp.mclk_direction = hw_config->mclk_direction;
2774 	config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2775 	config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2776 
2777 	dev_dbg(scomp->dev, "tplg: config SSP%d fmt 0x%x mclk %d bclk %d fclk %d width (%d)%d slots %d mclk id %d quirks %d\n",
2778 		config->dai_index, config->format,
2779 		config->ssp.mclk_rate, config->ssp.bclk_rate,
2780 		config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2781 		config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2782 		config->ssp.mclk_id, config->ssp.quirks);
2783 
2784 	/* validate SSP fsync rate and channel count */
2785 	if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2786 		dev_err(scomp->dev, "error: invalid fsync rate for SSP%d\n",
2787 			config->dai_index);
2788 		return -EINVAL;
2789 	}
2790 
2791 	if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2792 		dev_err(scomp->dev, "error: invalid channel count for SSP%d\n",
2793 			config->dai_index);
2794 		return -EINVAL;
2795 	}
2796 
2797 	/* set config for all DAI's with name matching the link name */
2798 	ret = sof_set_dai_config(sdev, size, link, config);
2799 	if (ret < 0)
2800 		dev_err(scomp->dev, "error: failed to save DAI config for SSP%d\n",
2801 			config->dai_index);
2802 
2803 	return ret;
2804 }
2805 
2806 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2807 			     struct snd_soc_dai_link *link,
2808 			     struct snd_soc_tplg_link_config *cfg,
2809 			     struct snd_soc_tplg_hw_config *hw_config,
2810 			     struct sof_ipc_dai_config *config)
2811 {
2812 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2813 	struct snd_soc_tplg_private *private = &cfg->priv;
2814 	u32 size = sizeof(*config);
2815 	int ret;
2816 
2817 	/* handle master/slave and inverted clocks */
2818 	sof_dai_set_format(hw_config, config);
2819 
2820 	/* init IPC */
2821 	memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params));
2822 	config->hdr.size = size;
2823 
2824 	ret = sof_parse_tokens(scomp, &config->sai, sai_tokens,
2825 			       ARRAY_SIZE(sai_tokens), private->array,
2826 			       le32_to_cpu(private->size));
2827 	if (ret != 0) {
2828 		dev_err(scomp->dev, "error: parse sai tokens failed %d\n",
2829 			le32_to_cpu(private->size));
2830 		return ret;
2831 	}
2832 
2833 	config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2834 	config->sai.mclk_direction = hw_config->mclk_direction;
2835 
2836 	config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2837 	config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2838 	config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2839 	config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2840 
2841 	dev_info(scomp->dev,
2842 		 "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2843 		config->dai_index, config->format,
2844 		config->sai.mclk_rate, config->sai.tdm_slot_width,
2845 		config->sai.tdm_slots, config->sai.mclk_id);
2846 
2847 	if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) {
2848 		dev_err(scomp->dev, "error: invalid channel count for SAI%d\n",
2849 			config->dai_index);
2850 		return -EINVAL;
2851 	}
2852 
2853 	/* set config for all DAI's with name matching the link name */
2854 	ret = sof_set_dai_config(sdev, size, link, config);
2855 	if (ret < 0)
2856 		dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n",
2857 			config->dai_index);
2858 
2859 	return ret;
2860 }
2861 
2862 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
2863 			      struct snd_soc_dai_link *link,
2864 			      struct snd_soc_tplg_link_config *cfg,
2865 			      struct snd_soc_tplg_hw_config *hw_config,
2866 			      struct sof_ipc_dai_config *config)
2867 {
2868 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2869 	struct snd_soc_tplg_private *private = &cfg->priv;
2870 	u32 size = sizeof(*config);
2871 	int ret;
2872 
2873 	/* handle master/slave and inverted clocks */
2874 	sof_dai_set_format(hw_config, config);
2875 
2876 	/* init IPC */
2877 	memset(&config->esai, 0, sizeof(struct sof_ipc_dai_esai_params));
2878 	config->hdr.size = size;
2879 
2880 	ret = sof_parse_tokens(scomp, &config->esai, esai_tokens,
2881 			       ARRAY_SIZE(esai_tokens), private->array,
2882 			       le32_to_cpu(private->size));
2883 	if (ret != 0) {
2884 		dev_err(scomp->dev, "error: parse esai tokens failed %d\n",
2885 			le32_to_cpu(private->size));
2886 		return ret;
2887 	}
2888 
2889 	config->esai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2890 	config->esai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2891 	config->esai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2892 	config->esai.mclk_direction = hw_config->mclk_direction;
2893 	config->esai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2894 	config->esai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2895 	config->esai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2896 	config->esai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2897 
2898 	dev_info(scomp->dev,
2899 		 "tplg: config ESAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2900 		config->dai_index, config->format,
2901 		config->esai.mclk_rate, config->esai.tdm_slot_width,
2902 		config->esai.tdm_slots, config->esai.mclk_id);
2903 
2904 	if (config->esai.tdm_slots < 1 || config->esai.tdm_slots > 8) {
2905 		dev_err(scomp->dev, "error: invalid channel count for ESAI%d\n",
2906 			config->dai_index);
2907 		return -EINVAL;
2908 	}
2909 
2910 	/* set config for all DAI's with name matching the link name */
2911 	ret = sof_set_dai_config(sdev, size, link, config);
2912 	if (ret < 0)
2913 		dev_err(scomp->dev, "error: failed to save DAI config for ESAI%d\n",
2914 			config->dai_index);
2915 
2916 	return ret;
2917 }
2918 
2919 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
2920 			      struct snd_soc_dai_link *link,
2921 			      struct snd_soc_tplg_link_config *cfg,
2922 			      struct snd_soc_tplg_hw_config *hw_config,
2923 			      struct sof_ipc_dai_config *config)
2924 {
2925 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2926 	struct snd_soc_tplg_private *private = &cfg->priv;
2927 	struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
2928 	struct sof_ipc_fw_version *v = &ready->version;
2929 	size_t size = sizeof(*config);
2930 	int ret, j;
2931 
2932 	/* Ensure the entire DMIC config struct is zeros */
2933 	memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
2934 
2935 	/* get DMIC tokens */
2936 	ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
2937 			       ARRAY_SIZE(dmic_tokens), private->array,
2938 			       le32_to_cpu(private->size));
2939 	if (ret != 0) {
2940 		dev_err(scomp->dev, "error: parse dmic tokens failed %d\n",
2941 			le32_to_cpu(private->size));
2942 		return ret;
2943 	}
2944 
2945 	/*
2946 	 * alloc memory for private member
2947 	 * Used to track the pdm config array index currently being parsed
2948 	 */
2949 	sdev->private = kzalloc(sizeof(u32), GFP_KERNEL);
2950 	if (!sdev->private)
2951 		return -ENOMEM;
2952 
2953 	/* get DMIC PDM tokens */
2954 	ret = sof_parse_token_sets(scomp, &config->dmic.pdm[0], dmic_pdm_tokens,
2955 			       ARRAY_SIZE(dmic_pdm_tokens), private->array,
2956 			       le32_to_cpu(private->size),
2957 			       config->dmic.num_pdm_active,
2958 			       sizeof(struct sof_ipc_dai_dmic_pdm_ctrl));
2959 
2960 	if (ret != 0) {
2961 		dev_err(scomp->dev, "error: parse dmic pdm tokens failed %d\n",
2962 			le32_to_cpu(private->size));
2963 		goto err;
2964 	}
2965 
2966 	/* set IPC header size */
2967 	config->hdr.size = size;
2968 
2969 	/* debug messages */
2970 	dev_dbg(scomp->dev, "tplg: config DMIC%d driver version %d\n",
2971 		config->dai_index, config->dmic.driver_ipc_version);
2972 	dev_dbg(scomp->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
2973 		config->dmic.pdmclk_min, config->dmic.pdmclk_max,
2974 		config->dmic.duty_min);
2975 	dev_dbg(scomp->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
2976 		config->dmic.duty_max, config->dmic.fifo_fs,
2977 		config->dmic.num_pdm_active);
2978 	dev_dbg(scomp->dev, "fifo word length %hd\n", config->dmic.fifo_bits);
2979 
2980 	for (j = 0; j < config->dmic.num_pdm_active; j++) {
2981 		dev_dbg(scomp->dev, "pdm %hd mic a %hd mic b %hd\n",
2982 			config->dmic.pdm[j].id,
2983 			config->dmic.pdm[j].enable_mic_a,
2984 			config->dmic.pdm[j].enable_mic_b);
2985 		dev_dbg(scomp->dev, "pdm %hd polarity a %hd polarity b %hd\n",
2986 			config->dmic.pdm[j].id,
2987 			config->dmic.pdm[j].polarity_mic_a,
2988 			config->dmic.pdm[j].polarity_mic_b);
2989 		dev_dbg(scomp->dev, "pdm %hd clk_edge %hd skew %hd\n",
2990 			config->dmic.pdm[j].id,
2991 			config->dmic.pdm[j].clk_edge,
2992 			config->dmic.pdm[j].skew);
2993 	}
2994 
2995 	/*
2996 	 * this takes care of backwards compatible handling of fifo_bits_b.
2997 	 * It is deprecated since firmware ABI version 3.0.1.
2998 	 */
2999 	if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1))
3000 		config->dmic.fifo_bits_b = config->dmic.fifo_bits;
3001 
3002 	/* set config for all DAI's with name matching the link name */
3003 	ret = sof_set_dai_config(sdev, size, link, config);
3004 	if (ret < 0)
3005 		dev_err(scomp->dev, "error: failed to save DAI config for DMIC%d\n",
3006 			config->dai_index);
3007 
3008 err:
3009 	kfree(sdev->private);
3010 
3011 	return ret;
3012 }
3013 
3014 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
3015 			     struct snd_soc_dai_link *link,
3016 			     struct snd_soc_tplg_link_config *cfg,
3017 			     struct snd_soc_tplg_hw_config *hw_config,
3018 			     struct sof_ipc_dai_config *config)
3019 {
3020 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3021 	struct snd_soc_tplg_private *private = &cfg->priv;
3022 	struct snd_soc_dai *dai;
3023 	u32 size = sizeof(*config);
3024 	int ret;
3025 
3026 	/* init IPC */
3027 	memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
3028 	config->hdr.size = size;
3029 
3030 	/* get any bespoke DAI tokens */
3031 	ret = sof_parse_tokens(scomp, &config->hda, hda_tokens,
3032 			       ARRAY_SIZE(hda_tokens), private->array,
3033 			       le32_to_cpu(private->size));
3034 	if (ret != 0) {
3035 		dev_err(scomp->dev, "error: parse hda tokens failed %d\n",
3036 			le32_to_cpu(private->size));
3037 		return ret;
3038 	}
3039 
3040 	dev_dbg(scomp->dev, "HDA config rate %d channels %d\n",
3041 		config->hda.rate, config->hda.channels);
3042 
3043 	dai = snd_soc_find_dai(link->cpus);
3044 	if (!dai) {
3045 		dev_err(scomp->dev, "error: failed to find dai %s in %s",
3046 			link->cpus->dai_name, __func__);
3047 		return -EINVAL;
3048 	}
3049 
3050 	config->hda.link_dma_ch = DMA_CHAN_INVALID;
3051 
3052 	ret = sof_set_dai_config(sdev, size, link, config);
3053 	if (ret < 0)
3054 		dev_err(scomp->dev, "error: failed to process hda dai link %s",
3055 			link->name);
3056 
3057 	return ret;
3058 }
3059 
3060 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
3061 			     struct snd_soc_dai_link *link,
3062 			     struct snd_soc_tplg_link_config *cfg,
3063 			     struct snd_soc_tplg_hw_config *hw_config,
3064 			     struct sof_ipc_dai_config *config)
3065 {
3066 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3067 	struct snd_soc_tplg_private *private = &cfg->priv;
3068 	u32 size = sizeof(*config);
3069 	int ret;
3070 
3071 	ret = sof_parse_tokens(scomp, &config->alh, alh_tokens,
3072 			       ARRAY_SIZE(alh_tokens), private->array,
3073 			       le32_to_cpu(private->size));
3074 	if (ret != 0) {
3075 		dev_err(scomp->dev, "error: parse alh tokens failed %d\n",
3076 			le32_to_cpu(private->size));
3077 		return ret;
3078 	}
3079 
3080 	/* init IPC */
3081 	config->hdr.size = size;
3082 
3083 	/* set config for all DAI's with name matching the link name */
3084 	ret = sof_set_dai_config(sdev, size, link, config);
3085 	if (ret < 0)
3086 		dev_err(scomp->dev, "error: failed to save DAI config for ALH %d\n",
3087 			config->dai_index);
3088 
3089 	return ret;
3090 }
3091 
3092 /* DAI link - used for any driver specific init */
3093 static int sof_link_load(struct snd_soc_component *scomp, int index,
3094 			 struct snd_soc_dai_link *link,
3095 			 struct snd_soc_tplg_link_config *cfg)
3096 {
3097 	struct snd_soc_tplg_private *private = &cfg->priv;
3098 	struct sof_ipc_dai_config config;
3099 	struct snd_soc_tplg_hw_config *hw_config;
3100 	int num_hw_configs;
3101 	int ret;
3102 	int i = 0;
3103 
3104 	if (!link->platforms) {
3105 		dev_err(scomp->dev, "error: no platforms\n");
3106 		return -EINVAL;
3107 	}
3108 	link->platforms->name = dev_name(scomp->dev);
3109 
3110 	/*
3111 	 * Set nonatomic property for FE dai links as their trigger action
3112 	 * involves IPC's.
3113 	 */
3114 	if (!link->no_pcm) {
3115 		link->nonatomic = true;
3116 
3117 		/*
3118 		 * set default trigger order for all links. Exceptions to
3119 		 * the rule will be handled in sof_pcm_dai_link_fixup()
3120 		 * For playback, the sequence is the following: start FE,
3121 		 * start BE, stop BE, stop FE; for Capture the sequence is
3122 		 * inverted start BE, start FE, stop FE, stop BE
3123 		 */
3124 		link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
3125 					SND_SOC_DPCM_TRIGGER_PRE;
3126 		link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
3127 					SND_SOC_DPCM_TRIGGER_POST;
3128 
3129 		/* nothing more to do for FE dai links */
3130 		return 0;
3131 	}
3132 
3133 	/* check we have some tokens - we need at least DAI type */
3134 	if (le32_to_cpu(private->size) == 0) {
3135 		dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
3136 		return -EINVAL;
3137 	}
3138 
3139 	/* Send BE DAI link configurations to DSP */
3140 	memset(&config, 0, sizeof(config));
3141 
3142 	/* get any common DAI tokens */
3143 	ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
3144 			       ARRAY_SIZE(dai_link_tokens), private->array,
3145 			       le32_to_cpu(private->size));
3146 	if (ret != 0) {
3147 		dev_err(scomp->dev, "error: parse link tokens failed %d\n",
3148 			le32_to_cpu(private->size));
3149 		return ret;
3150 	}
3151 
3152 	/*
3153 	 * DAI links are expected to have at least 1 hw_config.
3154 	 * But some older topologies might have no hw_config for HDA dai links.
3155 	 */
3156 	num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
3157 	if (!num_hw_configs) {
3158 		if (config.type != SOF_DAI_INTEL_HDA) {
3159 			dev_err(scomp->dev, "error: unexpected DAI config count %d!\n",
3160 				le32_to_cpu(cfg->num_hw_configs));
3161 			return -EINVAL;
3162 		}
3163 	} else {
3164 		dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d!\n",
3165 			cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
3166 
3167 		for (i = 0; i < num_hw_configs; i++) {
3168 			if (cfg->hw_config[i].id == cfg->default_hw_config_id)
3169 				break;
3170 		}
3171 
3172 		if (i == num_hw_configs) {
3173 			dev_err(scomp->dev, "error: default hw_config id: %d not found!\n",
3174 				le32_to_cpu(cfg->default_hw_config_id));
3175 			return -EINVAL;
3176 		}
3177 	}
3178 
3179 	/* configure dai IPC message */
3180 	hw_config = &cfg->hw_config[i];
3181 
3182 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
3183 	config.format = le32_to_cpu(hw_config->fmt);
3184 
3185 	/* now load DAI specific data and send IPC - type comes from token */
3186 	switch (config.type) {
3187 	case SOF_DAI_INTEL_SSP:
3188 		ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
3189 					&config);
3190 		break;
3191 	case SOF_DAI_INTEL_DMIC:
3192 		ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
3193 					 &config);
3194 		break;
3195 	case SOF_DAI_INTEL_HDA:
3196 		ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
3197 					&config);
3198 		break;
3199 	case SOF_DAI_INTEL_ALH:
3200 		ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
3201 					&config);
3202 		break;
3203 	case SOF_DAI_IMX_SAI:
3204 		ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
3205 					&config);
3206 		break;
3207 	case SOF_DAI_IMX_ESAI:
3208 		ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
3209 					 &config);
3210 		break;
3211 	default:
3212 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3213 			config.type);
3214 		ret = -EINVAL;
3215 		break;
3216 	}
3217 	if (ret < 0)
3218 		return ret;
3219 
3220 	return 0;
3221 }
3222 
3223 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
3224 			       struct snd_soc_dai_link *link)
3225 {
3226 	struct snd_soc_dai *dai;
3227 	int ret = 0;
3228 
3229 	dai = snd_soc_find_dai(link->cpus);
3230 	if (!dai) {
3231 		dev_err(sdev->dev, "error: failed to find dai %s in %s",
3232 			link->cpus->dai_name, __func__);
3233 		return -EINVAL;
3234 	}
3235 
3236 	return ret;
3237 }
3238 
3239 static int sof_link_unload(struct snd_soc_component *scomp,
3240 			   struct snd_soc_dobj *dobj)
3241 {
3242 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3243 	struct snd_soc_dai_link *link =
3244 		container_of(dobj, struct snd_soc_dai_link, dobj);
3245 
3246 	struct snd_sof_dai *sof_dai;
3247 	int ret = 0;
3248 
3249 	/* only BE link is loaded by sof */
3250 	if (!link->no_pcm)
3251 		return 0;
3252 
3253 	list_for_each_entry(sof_dai, &sdev->dai_list, list) {
3254 		if (!sof_dai->name)
3255 			continue;
3256 
3257 		if (strcmp(link->name, sof_dai->name) == 0)
3258 			goto found;
3259 	}
3260 
3261 	dev_err(scomp->dev, "error: failed to find dai %s in %s",
3262 		link->name, __func__);
3263 	return -EINVAL;
3264 found:
3265 
3266 	switch (sof_dai->dai_config->type) {
3267 	case SOF_DAI_INTEL_SSP:
3268 	case SOF_DAI_INTEL_DMIC:
3269 	case SOF_DAI_INTEL_ALH:
3270 	case SOF_DAI_IMX_SAI:
3271 	case SOF_DAI_IMX_ESAI:
3272 		/* no resource needs to be released for all cases above */
3273 		break;
3274 	case SOF_DAI_INTEL_HDA:
3275 		ret = sof_link_hda_unload(sdev, link);
3276 		break;
3277 	default:
3278 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3279 			sof_dai->dai_config->type);
3280 		ret = -EINVAL;
3281 		break;
3282 	}
3283 
3284 	return ret;
3285 }
3286 
3287 /* DAI link - used for any driver specific init */
3288 static int sof_route_load(struct snd_soc_component *scomp, int index,
3289 			  struct snd_soc_dapm_route *route)
3290 {
3291 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3292 	struct sof_ipc_pipe_comp_connect *connect;
3293 	struct snd_sof_widget *source_swidget, *sink_swidget;
3294 	struct snd_soc_dobj *dobj = &route->dobj;
3295 	struct snd_sof_route *sroute;
3296 	struct sof_ipc_reply reply;
3297 	int ret = 0;
3298 
3299 	/* allocate memory for sroute and connect */
3300 	sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
3301 	if (!sroute)
3302 		return -ENOMEM;
3303 
3304 	sroute->scomp = scomp;
3305 
3306 	connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3307 	if (!connect) {
3308 		kfree(sroute);
3309 		return -ENOMEM;
3310 	}
3311 
3312 	connect->hdr.size = sizeof(*connect);
3313 	connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3314 
3315 	dev_dbg(scomp->dev, "sink %s control %s source %s\n",
3316 		route->sink, route->control ? route->control : "none",
3317 		route->source);
3318 
3319 	/* source component */
3320 	source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
3321 	if (!source_swidget) {
3322 		dev_err(scomp->dev, "error: source %s not found\n",
3323 			route->source);
3324 		ret = -EINVAL;
3325 		goto err;
3326 	}
3327 
3328 	/*
3329 	 * Virtual widgets of type output/out_drv may be added in topology
3330 	 * for compatibility. These are not handled by the FW.
3331 	 * So, don't send routes whose source/sink widget is of such types
3332 	 * to the DSP.
3333 	 */
3334 	if (source_swidget->id == snd_soc_dapm_out_drv ||
3335 	    source_swidget->id == snd_soc_dapm_output)
3336 		goto err;
3337 
3338 	connect->source_id = source_swidget->comp_id;
3339 
3340 	/* sink component */
3341 	sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
3342 	if (!sink_swidget) {
3343 		dev_err(scomp->dev, "error: sink %s not found\n",
3344 			route->sink);
3345 		ret = -EINVAL;
3346 		goto err;
3347 	}
3348 
3349 	/*
3350 	 * Don't send routes whose sink widget is of type
3351 	 * output or out_drv to the DSP
3352 	 */
3353 	if (sink_swidget->id == snd_soc_dapm_out_drv ||
3354 	    sink_swidget->id == snd_soc_dapm_output)
3355 		goto err;
3356 
3357 	connect->sink_id = sink_swidget->comp_id;
3358 
3359 	/*
3360 	 * For virtual routes, both sink and source are not
3361 	 * buffer. Since only buffer linked to component is supported by
3362 	 * FW, others are reported as error, add check in route function,
3363 	 * do not send it to FW when both source and sink are not buffer
3364 	 */
3365 	if (source_swidget->id != snd_soc_dapm_buffer &&
3366 	    sink_swidget->id != snd_soc_dapm_buffer) {
3367 		dev_dbg(scomp->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3368 			route->source, route->sink);
3369 		ret = 0;
3370 		goto err;
3371 	} else {
3372 		ret = sof_ipc_tx_message(sdev->ipc,
3373 					 connect->hdr.cmd,
3374 					 connect, sizeof(*connect),
3375 					 &reply, sizeof(reply));
3376 
3377 		/* check IPC return value */
3378 		if (ret < 0) {
3379 			dev_err(scomp->dev, "error: failed to add route sink %s control %s source %s\n",
3380 				route->sink,
3381 				route->control ? route->control : "none",
3382 				route->source);
3383 			goto err;
3384 		}
3385 
3386 		/* check IPC reply */
3387 		if (reply.error < 0) {
3388 			dev_err(scomp->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3389 				route->sink,
3390 				route->control ? route->control : "none",
3391 				route->source, reply.error);
3392 			ret = reply.error;
3393 			goto err;
3394 		}
3395 
3396 		sroute->route = route;
3397 		dobj->private = sroute;
3398 		sroute->private = connect;
3399 
3400 		/* add route to route list */
3401 		list_add(&sroute->list, &sdev->route_list);
3402 
3403 		return ret;
3404 	}
3405 
3406 err:
3407 	kfree(connect);
3408 	kfree(sroute);
3409 	return ret;
3410 }
3411 
3412 /* Function to set the initial value of SOF kcontrols.
3413  * The value will be stored in scontrol->control_data
3414  */
3415 static int snd_sof_cache_kcontrol_val(struct snd_soc_component *scomp)
3416 {
3417 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3418 	struct snd_sof_control *scontrol = NULL;
3419 	int ipc_cmd, ctrl_type;
3420 	int ret = 0;
3421 
3422 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3423 
3424 		/* notify DSP of kcontrol values */
3425 		switch (scontrol->cmd) {
3426 		case SOF_CTRL_CMD_VOLUME:
3427 		case SOF_CTRL_CMD_ENUM:
3428 		case SOF_CTRL_CMD_SWITCH:
3429 			ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3430 			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3431 			break;
3432 		case SOF_CTRL_CMD_BINARY:
3433 			ipc_cmd = SOF_IPC_COMP_GET_DATA;
3434 			ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3435 			break;
3436 		default:
3437 			dev_err(scomp->dev,
3438 				"error: Invalid scontrol->cmd: %d\n",
3439 				scontrol->cmd);
3440 			return -EINVAL;
3441 		}
3442 		ret = snd_sof_ipc_set_get_comp_data(scontrol,
3443 						    ipc_cmd, ctrl_type,
3444 						    scontrol->cmd,
3445 						    false);
3446 		if (ret < 0) {
3447 			dev_warn(scomp->dev,
3448 				 "error: kcontrol value get for widget: %d\n",
3449 				 scontrol->comp_id);
3450 		}
3451 	}
3452 
3453 	return ret;
3454 }
3455 
3456 int snd_sof_complete_pipeline(struct device *dev,
3457 			      struct snd_sof_widget *swidget)
3458 {
3459 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
3460 	struct sof_ipc_pipe_ready ready;
3461 	struct sof_ipc_reply reply;
3462 	int ret;
3463 
3464 	dev_dbg(dev, "tplg: complete pipeline %s id %d\n",
3465 		swidget->widget->name, swidget->comp_id);
3466 
3467 	memset(&ready, 0, sizeof(ready));
3468 	ready.hdr.size = sizeof(ready);
3469 	ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3470 	ready.comp_id = swidget->comp_id;
3471 
3472 	ret = sof_ipc_tx_message(sdev->ipc,
3473 				 ready.hdr.cmd, &ready, sizeof(ready), &reply,
3474 				 sizeof(reply));
3475 	if (ret < 0)
3476 		return ret;
3477 	return 1;
3478 }
3479 
3480 /* completion - called at completion of firmware loading */
3481 static void sof_complete(struct snd_soc_component *scomp)
3482 {
3483 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3484 	struct snd_sof_widget *swidget;
3485 
3486 	/* some widget types require completion notificattion */
3487 	list_for_each_entry(swidget, &sdev->widget_list, list) {
3488 		if (swidget->complete)
3489 			continue;
3490 
3491 		switch (swidget->id) {
3492 		case snd_soc_dapm_scheduler:
3493 			swidget->complete =
3494 				snd_sof_complete_pipeline(scomp->dev, swidget);
3495 			break;
3496 		default:
3497 			break;
3498 		}
3499 	}
3500 	/*
3501 	 * cache initial values of SOF kcontrols by reading DSP value over
3502 	 * IPC. It may be overwritten by alsa-mixer after booting up
3503 	 */
3504 	snd_sof_cache_kcontrol_val(scomp);
3505 }
3506 
3507 /* manifest - optional to inform component of manifest */
3508 static int sof_manifest(struct snd_soc_component *scomp, int index,
3509 			struct snd_soc_tplg_manifest *man)
3510 {
3511 	u32 size;
3512 	u32 abi_version;
3513 
3514 	size = le32_to_cpu(man->priv.size);
3515 
3516 	/* backward compatible with tplg without ABI info */
3517 	if (!size) {
3518 		dev_dbg(scomp->dev, "No topology ABI info\n");
3519 		return 0;
3520 	}
3521 
3522 	if (size != SOF_TPLG_ABI_SIZE) {
3523 		dev_err(scomp->dev, "error: invalid topology ABI size\n");
3524 		return -EINVAL;
3525 	}
3526 
3527 	dev_info(scomp->dev,
3528 		 "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3529 		 man->priv.data[0], man->priv.data[1],
3530 		 man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3531 		 SOF_ABI_PATCH);
3532 
3533 	abi_version = SOF_ABI_VER(man->priv.data[0],
3534 				  man->priv.data[1],
3535 				  man->priv.data[2]);
3536 
3537 	if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3538 		dev_err(scomp->dev, "error: incompatible topology ABI version\n");
3539 		return -EINVAL;
3540 	}
3541 
3542 	if (abi_version > SOF_ABI_VERSION) {
3543 		if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3544 			dev_warn(scomp->dev, "warn: topology ABI is more recent than kernel\n");
3545 		} else {
3546 			dev_err(scomp->dev, "error: topology ABI is more recent than kernel\n");
3547 			return -EINVAL;
3548 		}
3549 	}
3550 
3551 	return 0;
3552 }
3553 
3554 /* vendor specific kcontrol handlers available for binding */
3555 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3556 	{SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3557 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3558 	{SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3559 	{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3560 };
3561 
3562 /* vendor specific bytes ext handlers available for binding */
3563 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3564 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3565 };
3566 
3567 static struct snd_soc_tplg_ops sof_tplg_ops = {
3568 	/* external kcontrol init - used for any driver specific init */
3569 	.control_load	= sof_control_load,
3570 	.control_unload	= sof_control_unload,
3571 
3572 	/* external kcontrol init - used for any driver specific init */
3573 	.dapm_route_load	= sof_route_load,
3574 	.dapm_route_unload	= sof_route_unload,
3575 
3576 	/* external widget init - used for any driver specific init */
3577 	/* .widget_load is not currently used */
3578 	.widget_ready	= sof_widget_ready,
3579 	.widget_unload	= sof_widget_unload,
3580 
3581 	/* FE DAI - used for any driver specific init */
3582 	.dai_load	= sof_dai_load,
3583 	.dai_unload	= sof_dai_unload,
3584 
3585 	/* DAI link - used for any driver specific init */
3586 	.link_load	= sof_link_load,
3587 	.link_unload	= sof_link_unload,
3588 
3589 	/* completion - called at completion of firmware loading */
3590 	.complete	= sof_complete,
3591 
3592 	/* manifest - optional to inform component of manifest */
3593 	.manifest	= sof_manifest,
3594 
3595 	/* vendor specific kcontrol handlers available for binding */
3596 	.io_ops		= sof_io_ops,
3597 	.io_ops_count	= ARRAY_SIZE(sof_io_ops),
3598 
3599 	/* vendor specific bytes ext handlers available for binding */
3600 	.bytes_ext_ops	= sof_bytes_ext_ops,
3601 	.bytes_ext_ops_count	= ARRAY_SIZE(sof_bytes_ext_ops),
3602 };
3603 
3604 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
3605 {
3606 	const struct firmware *fw;
3607 	int ret;
3608 
3609 	dev_dbg(scomp->dev, "loading topology:%s\n", file);
3610 
3611 	ret = request_firmware(&fw, file, scomp->dev);
3612 	if (ret < 0) {
3613 		dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
3614 			file, ret);
3615 		return ret;
3616 	}
3617 
3618 	ret = snd_soc_tplg_component_load(scomp,
3619 					  &sof_tplg_ops, fw,
3620 					  SND_SOC_TPLG_INDEX_ALL);
3621 	if (ret < 0) {
3622 		dev_err(scomp->dev, "error: tplg component load failed %d\n",
3623 			ret);
3624 		ret = -EINVAL;
3625 	}
3626 
3627 	release_firmware(fw);
3628 	return ret;
3629 }
3630 EXPORT_SYMBOL(snd_sof_load_topology);
3631