xref: /openbmc/linux/sound/soc/sof/topology.c (revision 9d4fa1a1)
1 // SPDX-License-Identifier: (GPL-2.0 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 };
434 
435 static enum sof_ipc_process_type find_process(const char *name)
436 {
437 	int i;
438 
439 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
440 		if (strcmp(name, sof_process[i].name) == 0)
441 			return sof_process[i].type;
442 	}
443 
444 	return SOF_PROCESS_NONE;
445 }
446 
447 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
448 {
449 	int i;
450 
451 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
452 		if (sof_process[i].type == type)
453 			return sof_process[i].comp_type;
454 	}
455 
456 	return SOF_COMP_NONE;
457 }
458 
459 /*
460  * Topology Token Parsing.
461  * New tokens should be added to headers and parsing tables below.
462  */
463 
464 struct sof_topology_token {
465 	u32 token;
466 	u32 type;
467 	int (*get_token)(void *elem, void *object, u32 offset, u32 size);
468 	u32 offset;
469 	u32 size;
470 };
471 
472 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
473 {
474 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
475 	u32 *val = (u32 *)((u8 *)object + offset);
476 
477 	*val = le32_to_cpu(velem->value);
478 	return 0;
479 }
480 
481 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
482 {
483 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
484 	u16 *val = (u16 *)((u8 *)object + offset);
485 
486 	*val = (u16)le32_to_cpu(velem->value);
487 	return 0;
488 }
489 
490 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
491 {
492 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
493 	u32 *val = (u32 *)((u8 *)object + offset);
494 
495 	*val = find_format(velem->string);
496 	return 0;
497 }
498 
499 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
500 {
501 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
502 	u32 *val = (u32 *)((u8 *)object + offset);
503 
504 	*val = find_dai(velem->string);
505 	return 0;
506 }
507 
508 static int get_token_process_type(void *elem, void *object, u32 offset,
509 				  u32 size)
510 {
511 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
512 	u32 *val = (u32 *)((u8 *)object + offset);
513 
514 	*val = find_process(velem->string);
515 	return 0;
516 }
517 
518 /* Buffers */
519 static const struct sof_topology_token buffer_tokens[] = {
520 	{SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
521 		offsetof(struct sof_ipc_buffer, size), 0},
522 	{SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
523 		offsetof(struct sof_ipc_buffer, caps), 0},
524 };
525 
526 /* DAI */
527 static const struct sof_topology_token dai_tokens[] = {
528 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
529 		offsetof(struct sof_ipc_comp_dai, type), 0},
530 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
531 		offsetof(struct sof_ipc_comp_dai, dai_index), 0},
532 	{SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
533 		offsetof(struct sof_ipc_comp_dai, direction), 0},
534 };
535 
536 /* BE DAI link */
537 static const struct sof_topology_token dai_link_tokens[] = {
538 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
539 		offsetof(struct sof_ipc_dai_config, type), 0},
540 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
541 		offsetof(struct sof_ipc_dai_config, dai_index), 0},
542 };
543 
544 /* scheduling */
545 static const struct sof_topology_token sched_tokens[] = {
546 	{SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
547 		offsetof(struct sof_ipc_pipe_new, period), 0},
548 	{SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
549 		offsetof(struct sof_ipc_pipe_new, priority), 0},
550 	{SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
551 		offsetof(struct sof_ipc_pipe_new, period_mips), 0},
552 	{SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
553 		offsetof(struct sof_ipc_pipe_new, core), 0},
554 	{SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
555 		offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
556 	{SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
557 		offsetof(struct sof_ipc_pipe_new, time_domain), 0},
558 };
559 
560 /* volume */
561 static const struct sof_topology_token volume_tokens[] = {
562 	{SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
563 		get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
564 	{SOF_TKN_VOLUME_RAMP_STEP_MS,
565 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
566 		offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
567 };
568 
569 /* SRC */
570 static const struct sof_topology_token src_tokens[] = {
571 	{SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
572 		offsetof(struct sof_ipc_comp_src, source_rate), 0},
573 	{SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
574 		offsetof(struct sof_ipc_comp_src, sink_rate), 0},
575 };
576 
577 /* ASRC */
578 static const struct sof_topology_token asrc_tokens[] = {
579 	{SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
580 		offsetof(struct sof_ipc_comp_asrc, source_rate), 0},
581 	{SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
582 		offsetof(struct sof_ipc_comp_asrc, sink_rate), 0},
583 	{SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
584 		get_token_u32,
585 		offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0},
586 	{SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
587 		get_token_u32,
588 		offsetof(struct sof_ipc_comp_asrc, operation_mode), 0},
589 };
590 
591 /* Tone */
592 static const struct sof_topology_token tone_tokens[] = {
593 };
594 
595 /* EFFECT */
596 static const struct sof_topology_token process_tokens[] = {
597 	{SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
598 		get_token_process_type,
599 		offsetof(struct sof_ipc_comp_process, type), 0},
600 };
601 
602 /* PCM */
603 static const struct sof_topology_token pcm_tokens[] = {
604 	{SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
605 		offsetof(struct sof_ipc_comp_host, dmac_config), 0},
606 };
607 
608 /* PCM */
609 static const struct sof_topology_token stream_tokens[] = {
610 	{SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3,
611 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
612 		offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible), 0},
613 	{SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3,
614 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
615 		offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible), 0},
616 };
617 
618 /* Generic components */
619 static const struct sof_topology_token comp_tokens[] = {
620 	{SOF_TKN_COMP_PERIOD_SINK_COUNT,
621 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
622 		offsetof(struct sof_ipc_comp_config, periods_sink), 0},
623 	{SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
624 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
625 		offsetof(struct sof_ipc_comp_config, periods_source), 0},
626 	{SOF_TKN_COMP_FORMAT,
627 		SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
628 		offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
629 };
630 
631 /* SSP */
632 static const struct sof_topology_token ssp_tokens[] = {
633 	{SOF_TKN_INTEL_SSP_CLKS_CONTROL,
634 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
635 		offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
636 	{SOF_TKN_INTEL_SSP_MCLK_ID,
637 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
638 		offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
639 	{SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
640 		get_token_u32,
641 		offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
642 	{SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
643 		get_token_u16,
644 		offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
645 	{SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
646 		get_token_u32,
647 		offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
648 	{SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
649 		get_token_u16,
650 		offsetof(struct sof_ipc_dai_ssp_params,
651 			 tdm_per_slot_padding_flag), 0},
652 	{SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
653 		get_token_u32,
654 		offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},
655 
656 };
657 
658 /* DMIC */
659 static const struct sof_topology_token dmic_tokens[] = {
660 	{SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
661 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
662 		offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
663 		0},
664 	{SOF_TKN_INTEL_DMIC_CLK_MIN,
665 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
666 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
667 	{SOF_TKN_INTEL_DMIC_CLK_MAX,
668 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
669 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
670 	{SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
671 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
672 		offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
673 	{SOF_TKN_INTEL_DMIC_DUTY_MIN,
674 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
675 		offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
676 	{SOF_TKN_INTEL_DMIC_DUTY_MAX,
677 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
678 		offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
679 	{SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
680 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
681 		offsetof(struct sof_ipc_dai_dmic_params,
682 			 num_pdm_active), 0},
683 	{SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
684 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
685 		offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
686 	{SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
687 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
688 		offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
689 
690 };
691 
692 /* ESAI */
693 static const struct sof_topology_token esai_tokens[] = {
694 	{SOF_TKN_IMX_ESAI_MCLK_ID,
695 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
696 		offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0},
697 };
698 
699 /* SAI */
700 static const struct sof_topology_token sai_tokens[] = {
701 	{SOF_TKN_IMX_SAI_MCLK_ID,
702 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
703 		offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0},
704 };
705 
706 /*
707  * DMIC PDM Tokens
708  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
709  * as it increments the index while parsing the array of pdm tokens
710  * and determines the correct offset
711  */
712 static const struct sof_topology_token dmic_pdm_tokens[] = {
713 	{SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
714 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
715 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
716 		0},
717 	{SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
718 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
719 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
720 		0},
721 	{SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
722 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
723 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
724 		0},
725 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
726 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
727 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
728 		0},
729 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
730 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
731 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
732 		0},
733 	{SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
734 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
735 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
736 		0},
737 	{SOF_TKN_INTEL_DMIC_PDM_SKEW,
738 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
739 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
740 		0},
741 };
742 
743 /* HDA */
744 static const struct sof_topology_token hda_tokens[] = {
745 };
746 
747 /* Leds */
748 static const struct sof_topology_token led_tokens[] = {
749 	{SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
750 	 offsetof(struct snd_sof_led_control, use_led), 0},
751 	{SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD,
752 	 get_token_u32, offsetof(struct snd_sof_led_control, direction), 0},
753 };
754 
755 static void sof_parse_uuid_tokens(struct snd_soc_component *scomp,
756 				  void *object,
757 				  const struct sof_topology_token *tokens,
758 				  int count,
759 				  struct snd_soc_tplg_vendor_array *array)
760 {
761 	struct snd_soc_tplg_vendor_uuid_elem *elem;
762 	int i, j;
763 
764 	/* parse element by element */
765 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
766 		elem = &array->uuid[i];
767 
768 		/* search for token */
769 		for (j = 0; j < count; j++) {
770 			/* match token type */
771 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
772 				continue;
773 
774 			/* match token id */
775 			if (tokens[j].token != le32_to_cpu(elem->token))
776 				continue;
777 
778 			/* matched - now load token */
779 			tokens[j].get_token(elem, object, tokens[j].offset,
780 					    tokens[j].size);
781 		}
782 	}
783 }
784 
785 static void sof_parse_string_tokens(struct snd_soc_component *scomp,
786 				    void *object,
787 				    const struct sof_topology_token *tokens,
788 				    int count,
789 				    struct snd_soc_tplg_vendor_array *array)
790 {
791 	struct snd_soc_tplg_vendor_string_elem *elem;
792 	int i, j;
793 
794 	/* parse element by element */
795 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
796 		elem = &array->string[i];
797 
798 		/* search for token */
799 		for (j = 0; j < count; j++) {
800 			/* match token type */
801 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
802 				continue;
803 
804 			/* match token id */
805 			if (tokens[j].token != le32_to_cpu(elem->token))
806 				continue;
807 
808 			/* matched - now load token */
809 			tokens[j].get_token(elem, object, tokens[j].offset,
810 					    tokens[j].size);
811 		}
812 	}
813 }
814 
815 static void sof_parse_word_tokens(struct snd_soc_component *scomp,
816 				  void *object,
817 				  const struct sof_topology_token *tokens,
818 				  int count,
819 				  struct snd_soc_tplg_vendor_array *array)
820 {
821 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
822 	struct snd_soc_tplg_vendor_value_elem *elem;
823 	size_t size = sizeof(struct sof_ipc_dai_dmic_pdm_ctrl);
824 	int i, j;
825 	u32 offset;
826 	u32 *index = NULL;
827 
828 	/* parse element by element */
829 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
830 		elem = &array->value[i];
831 
832 		/* search for token */
833 		for (j = 0; j < count; j++) {
834 			/* match token type */
835 			if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
836 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
837 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
838 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
839 				continue;
840 
841 			/* match token id */
842 			if (tokens[j].token != le32_to_cpu(elem->token))
843 				continue;
844 
845 			/* pdm config array index */
846 			if (sdev->private)
847 				index = sdev->private;
848 
849 			/* matched - determine offset */
850 			switch (tokens[j].token) {
851 			case SOF_TKN_INTEL_DMIC_PDM_CTRL_ID:
852 
853 				/* inc number of pdm array index */
854 				if (index)
855 					(*index)++;
856 				/* fallthrough */
857 			case SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable:
858 			case SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable:
859 			case SOF_TKN_INTEL_DMIC_PDM_POLARITY_A:
860 			case SOF_TKN_INTEL_DMIC_PDM_POLARITY_B:
861 			case SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE:
862 			case SOF_TKN_INTEL_DMIC_PDM_SKEW:
863 
864 				/* check if array index is valid */
865 				if (!index || *index == 0) {
866 					dev_err(scomp->dev,
867 						"error: invalid array offset\n");
868 					continue;
869 				} else {
870 					/* offset within the pdm config array */
871 					offset = size * (*index - 1);
872 				}
873 				break;
874 			default:
875 				offset = 0;
876 				break;
877 			}
878 
879 			/* load token */
880 			tokens[j].get_token(elem, object,
881 					    offset + tokens[j].offset,
882 					    tokens[j].size);
883 		}
884 	}
885 }
886 
887 static int sof_parse_tokens(struct snd_soc_component *scomp,
888 			    void *object,
889 			    const struct sof_topology_token *tokens,
890 			    int count,
891 			    struct snd_soc_tplg_vendor_array *array,
892 			    int priv_size)
893 {
894 	int asize;
895 
896 	while (priv_size > 0) {
897 		asize = le32_to_cpu(array->size);
898 
899 		/* validate asize */
900 		if (asize < 0) { /* FIXME: A zero-size array makes no sense */
901 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
902 				asize);
903 			return -EINVAL;
904 		}
905 
906 		/* make sure there is enough data before parsing */
907 		priv_size -= asize;
908 		if (priv_size < 0) {
909 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
910 				asize);
911 			return -EINVAL;
912 		}
913 
914 		/* call correct parser depending on type */
915 		switch (le32_to_cpu(array->type)) {
916 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
917 			sof_parse_uuid_tokens(scomp, object, tokens, count,
918 					      array);
919 			break;
920 		case SND_SOC_TPLG_TUPLE_TYPE_STRING:
921 			sof_parse_string_tokens(scomp, object, tokens, count,
922 						array);
923 			break;
924 		case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
925 		case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
926 		case SND_SOC_TPLG_TUPLE_TYPE_WORD:
927 		case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
928 			sof_parse_word_tokens(scomp, object, tokens, count,
929 					      array);
930 			break;
931 		default:
932 			dev_err(scomp->dev, "error: unknown token type %d\n",
933 				array->type);
934 			return -EINVAL;
935 		}
936 
937 		/* next array */
938 		array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
939 			+ asize);
940 	}
941 	return 0;
942 }
943 
944 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
945 				struct sof_ipc_comp_config *config)
946 {
947 	dev_dbg(scomp->dev, " config: periods snk %d src %d fmt %d\n",
948 		config->periods_sink, config->periods_source,
949 		config->frame_fmt);
950 }
951 
952 /*
953  * Standard Kcontrols.
954  */
955 
956 static int sof_control_load_volume(struct snd_soc_component *scomp,
957 				   struct snd_sof_control *scontrol,
958 				   struct snd_kcontrol_new *kc,
959 				   struct snd_soc_tplg_ctl_hdr *hdr)
960 {
961 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
962 	struct snd_soc_tplg_mixer_control *mc =
963 		container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
964 	struct sof_ipc_ctrl_data *cdata;
965 	int tlv[TLV_ITEMS];
966 	unsigned int i;
967 	int ret = 0;
968 
969 	/* validate topology data */
970 	if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) {
971 		ret = -EINVAL;
972 		goto out;
973 	}
974 
975 	/* init the volume get/put data */
976 	scontrol->size = struct_size(scontrol->control_data, chanv,
977 				     le32_to_cpu(mc->num_channels));
978 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
979 	if (!scontrol->control_data) {
980 		ret = -ENOMEM;
981 		goto out;
982 	}
983 
984 	scontrol->comp_id = sdev->next_comp_id;
985 	scontrol->min_volume_step = le32_to_cpu(mc->min);
986 	scontrol->max_volume_step = le32_to_cpu(mc->max);
987 	scontrol->num_channels = le32_to_cpu(mc->num_channels);
988 
989 	/* set cmd for mixer control */
990 	if (le32_to_cpu(mc->max) == 1) {
991 		scontrol->cmd = SOF_CTRL_CMD_SWITCH;
992 		goto skip;
993 	}
994 
995 	scontrol->cmd = SOF_CTRL_CMD_VOLUME;
996 
997 	/* extract tlv data */
998 	if (get_tlv_data(kc->tlv.p, tlv) < 0) {
999 		dev_err(scomp->dev, "error: invalid TLV data\n");
1000 		ret = -EINVAL;
1001 		goto out_free;
1002 	}
1003 
1004 	/* set up volume table */
1005 	ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
1006 	if (ret < 0) {
1007 		dev_err(scomp->dev, "error: setting up volume table\n");
1008 		goto out_free;
1009 	}
1010 
1011 	/* set default volume values to 0dB in control */
1012 	cdata = scontrol->control_data;
1013 	for (i = 0; i < scontrol->num_channels; i++) {
1014 		cdata->chanv[i].channel = i;
1015 		cdata->chanv[i].value = VOL_ZERO_DB;
1016 	}
1017 
1018 skip:
1019 	/* set up possible led control from mixer private data */
1020 	ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
1021 			       ARRAY_SIZE(led_tokens), mc->priv.array,
1022 			       le32_to_cpu(mc->priv.size));
1023 	if (ret != 0) {
1024 		dev_err(scomp->dev, "error: parse led tokens failed %d\n",
1025 			le32_to_cpu(mc->priv.size));
1026 		goto out_free_table;
1027 	}
1028 
1029 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1030 		scontrol->comp_id, scontrol->num_channels);
1031 
1032 	return ret;
1033 
1034 out_free_table:
1035 	if (le32_to_cpu(mc->max) > 1)
1036 		kfree(scontrol->volume_table);
1037 out_free:
1038 	kfree(scontrol->control_data);
1039 out:
1040 	return ret;
1041 }
1042 
1043 static int sof_control_load_enum(struct snd_soc_component *scomp,
1044 				 struct snd_sof_control *scontrol,
1045 				 struct snd_kcontrol_new *kc,
1046 				 struct snd_soc_tplg_ctl_hdr *hdr)
1047 {
1048 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1049 	struct snd_soc_tplg_enum_control *ec =
1050 		container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
1051 
1052 	/* validate topology data */
1053 	if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
1054 		return -EINVAL;
1055 
1056 	/* init the enum get/put data */
1057 	scontrol->size = struct_size(scontrol->control_data, chanv,
1058 				     le32_to_cpu(ec->num_channels));
1059 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1060 	if (!scontrol->control_data)
1061 		return -ENOMEM;
1062 
1063 	scontrol->comp_id = sdev->next_comp_id;
1064 	scontrol->num_channels = le32_to_cpu(ec->num_channels);
1065 
1066 	scontrol->cmd = SOF_CTRL_CMD_ENUM;
1067 
1068 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
1069 		scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
1070 
1071 	return 0;
1072 }
1073 
1074 static int sof_control_load_bytes(struct snd_soc_component *scomp,
1075 				  struct snd_sof_control *scontrol,
1076 				  struct snd_kcontrol_new *kc,
1077 				  struct snd_soc_tplg_ctl_hdr *hdr)
1078 {
1079 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1080 	struct sof_ipc_ctrl_data *cdata;
1081 	struct snd_soc_tplg_bytes_control *control =
1082 		container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
1083 	struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
1084 	int max_size = sbe->max;
1085 	int ret = 0;
1086 
1087 	/* init the get/put bytes data */
1088 	scontrol->size = sizeof(struct sof_ipc_ctrl_data) +
1089 		le32_to_cpu(control->priv.size);
1090 
1091 	if (scontrol->size > max_size) {
1092 		dev_err(scomp->dev, "err: bytes data size %d exceeds max %d.\n",
1093 			scontrol->size, max_size);
1094 		ret = -EINVAL;
1095 		goto out;
1096 	}
1097 
1098 	scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
1099 	cdata = scontrol->control_data;
1100 	if (!scontrol->control_data) {
1101 		ret = -ENOMEM;
1102 		goto out;
1103 	}
1104 
1105 	scontrol->comp_id = sdev->next_comp_id;
1106 	scontrol->cmd = SOF_CTRL_CMD_BINARY;
1107 
1108 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1109 		scontrol->comp_id, scontrol->num_channels);
1110 
1111 	if (le32_to_cpu(control->priv.size) > 0) {
1112 		memcpy(cdata->data, control->priv.data,
1113 		       le32_to_cpu(control->priv.size));
1114 
1115 		if (cdata->data->magic != SOF_ABI_MAGIC) {
1116 			dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n",
1117 				cdata->data->magic);
1118 			ret = -EINVAL;
1119 			goto out_free;
1120 		}
1121 		if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
1122 						 cdata->data->abi)) {
1123 			dev_err(scomp->dev,
1124 				"error: Incompatible ABI version 0x%08x.\n",
1125 				cdata->data->abi);
1126 			ret = -EINVAL;
1127 			goto out_free;
1128 		}
1129 		if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
1130 		    le32_to_cpu(control->priv.size)) {
1131 			dev_err(scomp->dev,
1132 				"error: Conflict in bytes vs. priv size.\n");
1133 			ret = -EINVAL;
1134 			goto out_free;
1135 		}
1136 	}
1137 
1138 	return ret;
1139 
1140 out_free:
1141 	kfree(scontrol->control_data);
1142 out:
1143 	return ret;
1144 }
1145 
1146 /* external kcontrol init - used for any driver specific init */
1147 static int sof_control_load(struct snd_soc_component *scomp, int index,
1148 			    struct snd_kcontrol_new *kc,
1149 			    struct snd_soc_tplg_ctl_hdr *hdr)
1150 {
1151 	struct soc_mixer_control *sm;
1152 	struct soc_bytes_ext *sbe;
1153 	struct soc_enum *se;
1154 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1155 	struct snd_soc_dobj *dobj;
1156 	struct snd_sof_control *scontrol;
1157 	int ret = -EINVAL;
1158 
1159 	dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
1160 		hdr->type, hdr->name);
1161 
1162 	scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1163 	if (!scontrol)
1164 		return -ENOMEM;
1165 
1166 	scontrol->scomp = scomp;
1167 
1168 	switch (le32_to_cpu(hdr->ops.info)) {
1169 	case SND_SOC_TPLG_CTL_VOLSW:
1170 	case SND_SOC_TPLG_CTL_VOLSW_SX:
1171 	case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1172 		sm = (struct soc_mixer_control *)kc->private_value;
1173 		dobj = &sm->dobj;
1174 		ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1175 		break;
1176 	case SND_SOC_TPLG_CTL_BYTES:
1177 		sbe = (struct soc_bytes_ext *)kc->private_value;
1178 		dobj = &sbe->dobj;
1179 		ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1180 		break;
1181 	case SND_SOC_TPLG_CTL_ENUM:
1182 	case SND_SOC_TPLG_CTL_ENUM_VALUE:
1183 		se = (struct soc_enum *)kc->private_value;
1184 		dobj = &se->dobj;
1185 		ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1186 		break;
1187 	case SND_SOC_TPLG_CTL_RANGE:
1188 	case SND_SOC_TPLG_CTL_STROBE:
1189 	case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1190 	case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1191 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1192 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1193 	case SND_SOC_TPLG_DAPM_CTL_PIN:
1194 	default:
1195 		dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
1196 			 hdr->ops.get, hdr->ops.put, hdr->ops.info);
1197 		kfree(scontrol);
1198 		return 0;
1199 	}
1200 
1201 	if (ret < 0) {
1202 		kfree(scontrol);
1203 		return ret;
1204 	}
1205 
1206 	dobj->private = scontrol;
1207 	list_add(&scontrol->list, &sdev->kcontrol_list);
1208 	return ret;
1209 }
1210 
1211 static int sof_control_unload(struct snd_soc_component *scomp,
1212 			      struct snd_soc_dobj *dobj)
1213 {
1214 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1215 	struct sof_ipc_free fcomp;
1216 	struct snd_sof_control *scontrol = dobj->private;
1217 
1218 	dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name);
1219 
1220 	fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1221 	fcomp.hdr.size = sizeof(fcomp);
1222 	fcomp.id = scontrol->comp_id;
1223 
1224 	kfree(scontrol->control_data);
1225 	list_del(&scontrol->list);
1226 	kfree(scontrol);
1227 	/* send IPC to the DSP */
1228 	return sof_ipc_tx_message(sdev->ipc,
1229 				  fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1230 				  NULL, 0);
1231 }
1232 
1233 /*
1234  * DAI Topology
1235  */
1236 
1237 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1238 				  struct snd_soc_dapm_widget *w,
1239 				  struct snd_soc_tplg_dapm_widget *tw,
1240 				  struct snd_sof_dai *dai)
1241 {
1242 	struct snd_soc_card *card = scomp->card;
1243 	struct snd_soc_pcm_runtime *rtd;
1244 	struct snd_soc_dai *cpu_dai;
1245 	int i;
1246 
1247 	list_for_each_entry(rtd, &card->rtd_list, list) {
1248 		dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1249 			 w->name,  w->sname, rtd->dai_link->stream_name);
1250 
1251 		if (!w->sname || !rtd->dai_link->stream_name)
1252 			continue;
1253 
1254 		/* does stream match DAI link ? */
1255 		if (strcmp(w->sname, rtd->dai_link->stream_name))
1256 			continue;
1257 
1258 		switch (w->id) {
1259 		case snd_soc_dapm_dai_out:
1260 			for_each_rtd_cpu_dais(rtd, i, cpu_dai)
1261 				cpu_dai->capture_widget = w;
1262 			dai->name = rtd->dai_link->name;
1263 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1264 				w->name, rtd->dai_link->name);
1265 			break;
1266 		case snd_soc_dapm_dai_in:
1267 			for_each_rtd_cpu_dais(rtd, i, cpu_dai)
1268 				cpu_dai->playback_widget = w;
1269 			dai->name = rtd->dai_link->name;
1270 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1271 				w->name, rtd->dai_link->name);
1272 			break;
1273 		default:
1274 			break;
1275 		}
1276 	}
1277 
1278 	/* check we have a connection */
1279 	if (!dai->name) {
1280 		dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
1281 			w->name, w->sname);
1282 		return -EINVAL;
1283 	}
1284 
1285 	return 0;
1286 }
1287 
1288 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1289 			       struct snd_sof_widget *swidget,
1290 			       struct snd_soc_tplg_dapm_widget *tw,
1291 			       struct sof_ipc_comp_reply *r,
1292 			       struct snd_sof_dai *dai)
1293 {
1294 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1295 	struct snd_soc_tplg_private *private = &tw->priv;
1296 	struct sof_ipc_comp_dai comp_dai;
1297 	int ret;
1298 
1299 	/* configure dai IPC message */
1300 	memset(&comp_dai, 0, sizeof(comp_dai));
1301 	comp_dai.comp.hdr.size = sizeof(comp_dai);
1302 	comp_dai.comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1303 	comp_dai.comp.id = swidget->comp_id;
1304 	comp_dai.comp.type = SOF_COMP_DAI;
1305 	comp_dai.comp.pipeline_id = index;
1306 	comp_dai.config.hdr.size = sizeof(comp_dai.config);
1307 
1308 	ret = sof_parse_tokens(scomp, &comp_dai, dai_tokens,
1309 			       ARRAY_SIZE(dai_tokens), private->array,
1310 			       le32_to_cpu(private->size));
1311 	if (ret != 0) {
1312 		dev_err(scomp->dev, "error: parse dai tokens failed %d\n",
1313 			le32_to_cpu(private->size));
1314 		return ret;
1315 	}
1316 
1317 	ret = sof_parse_tokens(scomp, &comp_dai.config, comp_tokens,
1318 			       ARRAY_SIZE(comp_tokens), private->array,
1319 			       le32_to_cpu(private->size));
1320 	if (ret != 0) {
1321 		dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n",
1322 			private->size);
1323 		return ret;
1324 	}
1325 
1326 	dev_dbg(scomp->dev, "dai %s: type %d index %d\n",
1327 		swidget->widget->name, comp_dai.type, comp_dai.dai_index);
1328 	sof_dbg_comp_config(scomp, &comp_dai.config);
1329 
1330 	ret = sof_ipc_tx_message(sdev->ipc, comp_dai.comp.hdr.cmd,
1331 				 &comp_dai, sizeof(comp_dai), r, sizeof(*r));
1332 
1333 	if (ret == 0 && dai) {
1334 		dai->scomp = scomp;
1335 		memcpy(&dai->comp_dai, &comp_dai, sizeof(comp_dai));
1336 	}
1337 
1338 	return ret;
1339 }
1340 
1341 /*
1342  * Buffer topology
1343  */
1344 
1345 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1346 				  struct snd_sof_widget *swidget,
1347 				  struct snd_soc_tplg_dapm_widget *tw,
1348 				  struct sof_ipc_comp_reply *r)
1349 {
1350 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1351 	struct snd_soc_tplg_private *private = &tw->priv;
1352 	struct sof_ipc_buffer *buffer;
1353 	int ret;
1354 
1355 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1356 	if (!buffer)
1357 		return -ENOMEM;
1358 
1359 	/* configure dai IPC message */
1360 	buffer->comp.hdr.size = sizeof(*buffer);
1361 	buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1362 	buffer->comp.id = swidget->comp_id;
1363 	buffer->comp.type = SOF_COMP_BUFFER;
1364 	buffer->comp.pipeline_id = index;
1365 
1366 	ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1367 			       ARRAY_SIZE(buffer_tokens), private->array,
1368 			       le32_to_cpu(private->size));
1369 	if (ret != 0) {
1370 		dev_err(scomp->dev, "error: parse buffer tokens failed %d\n",
1371 			private->size);
1372 		kfree(buffer);
1373 		return ret;
1374 	}
1375 
1376 	dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n",
1377 		swidget->widget->name, buffer->size, buffer->caps);
1378 
1379 	swidget->private = buffer;
1380 
1381 	ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1382 				 sizeof(*buffer), r, sizeof(*r));
1383 	if (ret < 0) {
1384 		dev_err(scomp->dev, "error: buffer %s load failed\n",
1385 			swidget->widget->name);
1386 		kfree(buffer);
1387 	}
1388 
1389 	return ret;
1390 }
1391 
1392 /* bind PCM ID to host component ID */
1393 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
1394 		     int dir)
1395 {
1396 	struct snd_sof_widget *host_widget;
1397 
1398 	host_widget = snd_sof_find_swidget_sname(scomp,
1399 						 spcm->pcm.caps[dir].name,
1400 						 dir);
1401 	if (!host_widget) {
1402 		dev_err(scomp->dev, "can't find host comp to bind pcm\n");
1403 		return -EINVAL;
1404 	}
1405 
1406 	spcm->stream[dir].comp_id = host_widget->comp_id;
1407 
1408 	return 0;
1409 }
1410 
1411 /*
1412  * PCM Topology
1413  */
1414 
1415 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1416 			       struct snd_sof_widget *swidget,
1417 			       enum sof_ipc_stream_direction dir,
1418 			       struct snd_soc_tplg_dapm_widget *tw,
1419 			       struct sof_ipc_comp_reply *r)
1420 {
1421 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1422 	struct snd_soc_tplg_private *private = &tw->priv;
1423 	struct sof_ipc_comp_host *host;
1424 	int ret;
1425 
1426 	host = kzalloc(sizeof(*host), GFP_KERNEL);
1427 	if (!host)
1428 		return -ENOMEM;
1429 
1430 	/* configure host comp IPC message */
1431 	host->comp.hdr.size = sizeof(*host);
1432 	host->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1433 	host->comp.id = swidget->comp_id;
1434 	host->comp.type = SOF_COMP_HOST;
1435 	host->comp.pipeline_id = index;
1436 	host->direction = dir;
1437 	host->config.hdr.size = sizeof(host->config);
1438 
1439 	ret = sof_parse_tokens(scomp, host, pcm_tokens,
1440 			       ARRAY_SIZE(pcm_tokens), private->array,
1441 			       le32_to_cpu(private->size));
1442 	if (ret != 0) {
1443 		dev_err(scomp->dev, "error: parse host tokens failed %d\n",
1444 			private->size);
1445 		goto err;
1446 	}
1447 
1448 	ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1449 			       ARRAY_SIZE(comp_tokens), private->array,
1450 			       le32_to_cpu(private->size));
1451 	if (ret != 0) {
1452 		dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n",
1453 			le32_to_cpu(private->size));
1454 		goto err;
1455 	}
1456 
1457 	dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name);
1458 	sof_dbg_comp_config(scomp, &host->config);
1459 
1460 	swidget->private = host;
1461 
1462 	ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1463 				 sizeof(*host), r, sizeof(*r));
1464 	if (ret >= 0)
1465 		return ret;
1466 err:
1467 	kfree(host);
1468 	return ret;
1469 }
1470 
1471 /*
1472  * Pipeline Topology
1473  */
1474 int sof_load_pipeline_ipc(struct device *dev,
1475 			  struct sof_ipc_pipe_new *pipeline,
1476 			  struct sof_ipc_comp_reply *r)
1477 {
1478 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
1479 	struct sof_ipc_pm_core_config pm_core_config;
1480 	int ret;
1481 
1482 	ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1483 				 sizeof(*pipeline), r, sizeof(*r));
1484 	if (ret < 0) {
1485 		dev_err(dev, "error: load pipeline ipc failure\n");
1486 		return ret;
1487 	}
1488 
1489 	/* power up the core that this pipeline is scheduled on */
1490 	ret = snd_sof_dsp_core_power_up(sdev, 1 << pipeline->core);
1491 	if (ret < 0) {
1492 		dev_err(dev, "error: powering up pipeline schedule core %d\n",
1493 			pipeline->core);
1494 		return ret;
1495 	}
1496 
1497 	/* update enabled cores mask */
1498 	sdev->enabled_cores_mask |= 1 << pipeline->core;
1499 
1500 	/*
1501 	 * Now notify DSP that the core that this pipeline is scheduled on
1502 	 * has been powered up
1503 	 */
1504 	memset(&pm_core_config, 0, sizeof(pm_core_config));
1505 	pm_core_config.enable_mask = sdev->enabled_cores_mask;
1506 
1507 	/* configure CORE_ENABLE ipc message */
1508 	pm_core_config.hdr.size = sizeof(pm_core_config);
1509 	pm_core_config.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE;
1510 
1511 	/* send ipc */
1512 	ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1513 				 &pm_core_config, sizeof(pm_core_config),
1514 				 &pm_core_config, sizeof(pm_core_config));
1515 	if (ret < 0)
1516 		dev_err(dev, "error: core enable ipc failure\n");
1517 
1518 	return ret;
1519 }
1520 
1521 static int sof_widget_load_pipeline(struct snd_soc_component *scomp,
1522 				    int index, struct snd_sof_widget *swidget,
1523 				    struct snd_soc_tplg_dapm_widget *tw,
1524 				    struct sof_ipc_comp_reply *r)
1525 {
1526 	struct snd_soc_tplg_private *private = &tw->priv;
1527 	struct sof_ipc_pipe_new *pipeline;
1528 	struct snd_sof_widget *comp_swidget;
1529 	int ret;
1530 
1531 	pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1532 	if (!pipeline)
1533 		return -ENOMEM;
1534 
1535 	/* configure dai IPC message */
1536 	pipeline->hdr.size = sizeof(*pipeline);
1537 	pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1538 	pipeline->pipeline_id = index;
1539 	pipeline->comp_id = swidget->comp_id;
1540 
1541 	/* component at start of pipeline is our stream id */
1542 	comp_swidget = snd_sof_find_swidget(scomp, tw->sname);
1543 	if (!comp_swidget) {
1544 		dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n",
1545 			tw->name, tw->sname);
1546 		ret = -EINVAL;
1547 		goto err;
1548 	}
1549 
1550 	pipeline->sched_id = comp_swidget->comp_id;
1551 
1552 	dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1553 		pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1554 
1555 	ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1556 			       ARRAY_SIZE(sched_tokens), private->array,
1557 			       le32_to_cpu(private->size));
1558 	if (ret != 0) {
1559 		dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n",
1560 			private->size);
1561 		goto err;
1562 	}
1563 
1564 	dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1565 		swidget->widget->name, pipeline->period, pipeline->priority,
1566 		pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1567 
1568 	swidget->private = pipeline;
1569 
1570 	/* send ipc's to create pipeline comp and power up schedule core */
1571 	ret = sof_load_pipeline_ipc(scomp->dev, pipeline, r);
1572 	if (ret >= 0)
1573 		return ret;
1574 err:
1575 	kfree(pipeline);
1576 	return ret;
1577 }
1578 
1579 /*
1580  * Mixer topology
1581  */
1582 
1583 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1584 				 struct snd_sof_widget *swidget,
1585 				 struct snd_soc_tplg_dapm_widget *tw,
1586 				 struct sof_ipc_comp_reply *r)
1587 {
1588 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1589 	struct snd_soc_tplg_private *private = &tw->priv;
1590 	struct sof_ipc_comp_mixer *mixer;
1591 	int ret;
1592 
1593 	mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
1594 	if (!mixer)
1595 		return -ENOMEM;
1596 
1597 	/* configure mixer IPC message */
1598 	mixer->comp.hdr.size = sizeof(*mixer);
1599 	mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1600 	mixer->comp.id = swidget->comp_id;
1601 	mixer->comp.type = SOF_COMP_MIXER;
1602 	mixer->comp.pipeline_id = index;
1603 	mixer->config.hdr.size = sizeof(mixer->config);
1604 
1605 	ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1606 			       ARRAY_SIZE(comp_tokens), private->array,
1607 			       le32_to_cpu(private->size));
1608 	if (ret != 0) {
1609 		dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n",
1610 			private->size);
1611 		kfree(mixer);
1612 		return ret;
1613 	}
1614 
1615 	sof_dbg_comp_config(scomp, &mixer->config);
1616 
1617 	swidget->private = mixer;
1618 
1619 	ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1620 				 sizeof(*mixer), r, sizeof(*r));
1621 	if (ret < 0)
1622 		kfree(mixer);
1623 
1624 	return ret;
1625 }
1626 
1627 /*
1628  * Mux topology
1629  */
1630 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1631 			       struct snd_sof_widget *swidget,
1632 			       struct snd_soc_tplg_dapm_widget *tw,
1633 			       struct sof_ipc_comp_reply *r)
1634 {
1635 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1636 	struct snd_soc_tplg_private *private = &tw->priv;
1637 	struct sof_ipc_comp_mux *mux;
1638 	int ret;
1639 
1640 	mux = kzalloc(sizeof(*mux), GFP_KERNEL);
1641 	if (!mux)
1642 		return -ENOMEM;
1643 
1644 	/* configure mux IPC message */
1645 	mux->comp.hdr.size = sizeof(*mux);
1646 	mux->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1647 	mux->comp.id = swidget->comp_id;
1648 	mux->comp.type = SOF_COMP_MUX;
1649 	mux->comp.pipeline_id = index;
1650 	mux->config.hdr.size = sizeof(mux->config);
1651 
1652 	ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1653 			       ARRAY_SIZE(comp_tokens), private->array,
1654 			       le32_to_cpu(private->size));
1655 	if (ret != 0) {
1656 		dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n",
1657 			private->size);
1658 		kfree(mux);
1659 		return ret;
1660 	}
1661 
1662 	sof_dbg_comp_config(scomp, &mux->config);
1663 
1664 	swidget->private = mux;
1665 
1666 	ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1667 				 sizeof(*mux), r, sizeof(*r));
1668 	if (ret < 0)
1669 		kfree(mux);
1670 
1671 	return ret;
1672 }
1673 
1674 /*
1675  * PGA Topology
1676  */
1677 
1678 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1679 			       struct snd_sof_widget *swidget,
1680 			       struct snd_soc_tplg_dapm_widget *tw,
1681 			       struct sof_ipc_comp_reply *r)
1682 {
1683 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1684 	struct snd_soc_tplg_private *private = &tw->priv;
1685 	struct sof_ipc_comp_volume *volume;
1686 	struct snd_sof_control *scontrol;
1687 	int min_step;
1688 	int max_step;
1689 	int ret;
1690 
1691 	volume = kzalloc(sizeof(*volume), GFP_KERNEL);
1692 	if (!volume)
1693 		return -ENOMEM;
1694 
1695 	if (!le32_to_cpu(tw->num_kcontrols)) {
1696 		dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n",
1697 			tw->num_kcontrols);
1698 		ret = -EINVAL;
1699 		goto err;
1700 	}
1701 
1702 	/* configure volume IPC message */
1703 	volume->comp.hdr.size = sizeof(*volume);
1704 	volume->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1705 	volume->comp.id = swidget->comp_id;
1706 	volume->comp.type = SOF_COMP_VOLUME;
1707 	volume->comp.pipeline_id = index;
1708 	volume->config.hdr.size = sizeof(volume->config);
1709 
1710 	ret = sof_parse_tokens(scomp, volume, volume_tokens,
1711 			       ARRAY_SIZE(volume_tokens), private->array,
1712 			       le32_to_cpu(private->size));
1713 	if (ret != 0) {
1714 		dev_err(scomp->dev, "error: parse volume tokens failed %d\n",
1715 			private->size);
1716 		goto err;
1717 	}
1718 	ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1719 			       ARRAY_SIZE(comp_tokens), private->array,
1720 			       le32_to_cpu(private->size));
1721 	if (ret != 0) {
1722 		dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n",
1723 			le32_to_cpu(private->size));
1724 		goto err;
1725 	}
1726 
1727 	sof_dbg_comp_config(scomp, &volume->config);
1728 
1729 	swidget->private = volume;
1730 
1731 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1732 		if (scontrol->comp_id == swidget->comp_id &&
1733 		    scontrol->volume_table) {
1734 			min_step = scontrol->min_volume_step;
1735 			max_step = scontrol->max_volume_step;
1736 			volume->min_value = scontrol->volume_table[min_step];
1737 			volume->max_value = scontrol->volume_table[max_step];
1738 			volume->channels = scontrol->num_channels;
1739 			break;
1740 		}
1741 	}
1742 
1743 	ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1744 				 sizeof(*volume), r, sizeof(*r));
1745 	if (ret >= 0)
1746 		return ret;
1747 err:
1748 	kfree(volume);
1749 	return ret;
1750 }
1751 
1752 /*
1753  * SRC Topology
1754  */
1755 
1756 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1757 			       struct snd_sof_widget *swidget,
1758 			       struct snd_soc_tplg_dapm_widget *tw,
1759 			       struct sof_ipc_comp_reply *r)
1760 {
1761 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1762 	struct snd_soc_tplg_private *private = &tw->priv;
1763 	struct sof_ipc_comp_src *src;
1764 	int ret;
1765 
1766 	src = kzalloc(sizeof(*src), GFP_KERNEL);
1767 	if (!src)
1768 		return -ENOMEM;
1769 
1770 	/* configure src IPC message */
1771 	src->comp.hdr.size = sizeof(*src);
1772 	src->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1773 	src->comp.id = swidget->comp_id;
1774 	src->comp.type = SOF_COMP_SRC;
1775 	src->comp.pipeline_id = index;
1776 	src->config.hdr.size = sizeof(src->config);
1777 
1778 	ret = sof_parse_tokens(scomp, src, src_tokens,
1779 			       ARRAY_SIZE(src_tokens), private->array,
1780 			       le32_to_cpu(private->size));
1781 	if (ret != 0) {
1782 		dev_err(scomp->dev, "error: parse src tokens failed %d\n",
1783 			private->size);
1784 		goto err;
1785 	}
1786 
1787 	ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1788 			       ARRAY_SIZE(comp_tokens), private->array,
1789 			       le32_to_cpu(private->size));
1790 	if (ret != 0) {
1791 		dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n",
1792 			le32_to_cpu(private->size));
1793 		goto err;
1794 	}
1795 
1796 	dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n",
1797 		swidget->widget->name, src->source_rate, src->sink_rate);
1798 	sof_dbg_comp_config(scomp, &src->config);
1799 
1800 	swidget->private = src;
1801 
1802 	ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1803 				 sizeof(*src), r, sizeof(*r));
1804 	if (ret >= 0)
1805 		return ret;
1806 err:
1807 	kfree(src);
1808 	return ret;
1809 }
1810 
1811 /*
1812  * ASRC Topology
1813  */
1814 
1815 static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index,
1816 				struct snd_sof_widget *swidget,
1817 				struct snd_soc_tplg_dapm_widget *tw,
1818 				struct sof_ipc_comp_reply *r)
1819 {
1820 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1821 	struct snd_soc_tplg_private *private = &tw->priv;
1822 	struct sof_ipc_comp_asrc *asrc;
1823 	int ret;
1824 
1825 	asrc = kzalloc(sizeof(*asrc), GFP_KERNEL);
1826 	if (!asrc)
1827 		return -ENOMEM;
1828 
1829 	/* configure ASRC IPC message */
1830 	asrc->comp.hdr.size = sizeof(*asrc);
1831 	asrc->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1832 	asrc->comp.id = swidget->comp_id;
1833 	asrc->comp.type = SOF_COMP_ASRC;
1834 	asrc->comp.pipeline_id = index;
1835 	asrc->config.hdr.size = sizeof(asrc->config);
1836 
1837 	ret = sof_parse_tokens(scomp, asrc, asrc_tokens,
1838 			       ARRAY_SIZE(asrc_tokens), private->array,
1839 			       le32_to_cpu(private->size));
1840 	if (ret != 0) {
1841 		dev_err(scomp->dev, "error: parse asrc tokens failed %d\n",
1842 			private->size);
1843 		goto err;
1844 	}
1845 
1846 	ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens,
1847 			       ARRAY_SIZE(comp_tokens), private->array,
1848 			       le32_to_cpu(private->size));
1849 	if (ret != 0) {
1850 		dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n",
1851 			le32_to_cpu(private->size));
1852 		goto err;
1853 	}
1854 
1855 	dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d "
1856 		"asynch %d operation %d\n",
1857 		swidget->widget->name, asrc->source_rate, asrc->sink_rate,
1858 		asrc->asynchronous_mode, asrc->operation_mode);
1859 	sof_dbg_comp_config(scomp, &asrc->config);
1860 
1861 	swidget->private = asrc;
1862 
1863 	ret = sof_ipc_tx_message(sdev->ipc, asrc->comp.hdr.cmd, asrc,
1864 				 sizeof(*asrc), r, sizeof(*r));
1865 	if (ret >= 0)
1866 		return ret;
1867 err:
1868 	kfree(asrc);
1869 	return ret;
1870 }
1871 
1872 /*
1873  * Signal Generator Topology
1874  */
1875 
1876 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
1877 				  struct snd_sof_widget *swidget,
1878 				  struct snd_soc_tplg_dapm_widget *tw,
1879 				  struct sof_ipc_comp_reply *r)
1880 {
1881 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1882 	struct snd_soc_tplg_private *private = &tw->priv;
1883 	struct sof_ipc_comp_tone *tone;
1884 	int ret;
1885 
1886 	tone = kzalloc(sizeof(*tone), GFP_KERNEL);
1887 	if (!tone)
1888 		return -ENOMEM;
1889 
1890 	/* configure siggen IPC message */
1891 	tone->comp.hdr.size = sizeof(*tone);
1892 	tone->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1893 	tone->comp.id = swidget->comp_id;
1894 	tone->comp.type = SOF_COMP_TONE;
1895 	tone->comp.pipeline_id = index;
1896 	tone->config.hdr.size = sizeof(tone->config);
1897 
1898 	ret = sof_parse_tokens(scomp, tone, tone_tokens,
1899 			       ARRAY_SIZE(tone_tokens), private->array,
1900 			       le32_to_cpu(private->size));
1901 	if (ret != 0) {
1902 		dev_err(scomp->dev, "error: parse tone tokens failed %d\n",
1903 			le32_to_cpu(private->size));
1904 		goto err;
1905 	}
1906 
1907 	ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
1908 			       ARRAY_SIZE(comp_tokens), private->array,
1909 			       le32_to_cpu(private->size));
1910 	if (ret != 0) {
1911 		dev_err(scomp->dev, "error: parse tone.cfg tokens failed %d\n",
1912 			le32_to_cpu(private->size));
1913 		goto err;
1914 	}
1915 
1916 	dev_dbg(scomp->dev, "tone %s: frequency %d amplitude %d\n",
1917 		swidget->widget->name, tone->frequency, tone->amplitude);
1918 	sof_dbg_comp_config(scomp, &tone->config);
1919 
1920 	swidget->private = tone;
1921 
1922 	ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
1923 				 sizeof(*tone), r, sizeof(*r));
1924 	if (ret >= 0)
1925 		return ret;
1926 err:
1927 	kfree(tone);
1928 	return ret;
1929 }
1930 
1931 static int sof_get_control_data(struct snd_soc_component *scomp,
1932 				struct snd_soc_dapm_widget *widget,
1933 				struct sof_widget_data *wdata,
1934 				size_t *size)
1935 {
1936 	const struct snd_kcontrol_new *kc;
1937 	struct soc_mixer_control *sm;
1938 	struct soc_bytes_ext *sbe;
1939 	struct soc_enum *se;
1940 	int i;
1941 
1942 	*size = 0;
1943 
1944 	for (i = 0; i < widget->num_kcontrols; i++) {
1945 		kc = &widget->kcontrol_news[i];
1946 
1947 		switch (widget->dobj.widget.kcontrol_type) {
1948 		case SND_SOC_TPLG_TYPE_MIXER:
1949 			sm = (struct soc_mixer_control *)kc->private_value;
1950 			wdata[i].control = sm->dobj.private;
1951 			break;
1952 		case SND_SOC_TPLG_TYPE_BYTES:
1953 			sbe = (struct soc_bytes_ext *)kc->private_value;
1954 			wdata[i].control = sbe->dobj.private;
1955 			break;
1956 		case SND_SOC_TPLG_TYPE_ENUM:
1957 			se = (struct soc_enum *)kc->private_value;
1958 			wdata[i].control = se->dobj.private;
1959 			break;
1960 		default:
1961 			dev_err(scomp->dev, "error: unknown kcontrol type %d in widget %s\n",
1962 				widget->dobj.widget.kcontrol_type,
1963 				widget->name);
1964 			return -EINVAL;
1965 		}
1966 
1967 		if (!wdata[i].control) {
1968 			dev_err(scomp->dev, "error: no scontrol for widget %s\n",
1969 				widget->name);
1970 			return -EINVAL;
1971 		}
1972 
1973 		wdata[i].pdata = wdata[i].control->control_data->data;
1974 		if (!wdata[i].pdata)
1975 			return -EINVAL;
1976 
1977 		/* make sure data is valid - data can be updated at runtime */
1978 		if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
1979 			return -EINVAL;
1980 
1981 		*size += wdata[i].pdata->size;
1982 
1983 		/* get data type */
1984 		switch (wdata[i].control->cmd) {
1985 		case SOF_CTRL_CMD_VOLUME:
1986 		case SOF_CTRL_CMD_ENUM:
1987 		case SOF_CTRL_CMD_SWITCH:
1988 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
1989 			wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
1990 			break;
1991 		case SOF_CTRL_CMD_BINARY:
1992 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
1993 			wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
1994 			break;
1995 		default:
1996 			break;
1997 		}
1998 	}
1999 
2000 	return 0;
2001 }
2002 
2003 static int sof_process_load(struct snd_soc_component *scomp, int index,
2004 			    struct snd_sof_widget *swidget,
2005 			    struct snd_soc_tplg_dapm_widget *tw,
2006 			    struct sof_ipc_comp_reply *r,
2007 			    int type)
2008 {
2009 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2010 	struct snd_soc_dapm_widget *widget = swidget->widget;
2011 	struct snd_soc_tplg_private *private = &tw->priv;
2012 	struct sof_ipc_comp_process *process = NULL;
2013 	struct sof_widget_data *wdata = NULL;
2014 	size_t ipc_data_size = 0;
2015 	size_t ipc_size;
2016 	int offset = 0;
2017 	int ret = 0;
2018 	int i;
2019 
2020 	if (type == SOF_COMP_NONE) {
2021 		dev_err(scomp->dev, "error: invalid process comp type %d\n",
2022 			type);
2023 		return -EINVAL;
2024 	}
2025 
2026 	/* allocate struct for widget control data sizes and types */
2027 	if (widget->num_kcontrols) {
2028 		wdata = kcalloc(widget->num_kcontrols,
2029 				sizeof(*wdata),
2030 				GFP_KERNEL);
2031 
2032 		if (!wdata)
2033 			return -ENOMEM;
2034 
2035 		/* get possible component controls and get size of all pdata */
2036 		ret = sof_get_control_data(scomp, widget, wdata,
2037 					   &ipc_data_size);
2038 
2039 		if (ret < 0)
2040 			goto out;
2041 	}
2042 
2043 	ipc_size = sizeof(struct sof_ipc_comp_process) +
2044 		le32_to_cpu(private->size) +
2045 		ipc_data_size;
2046 
2047 	/* we are exceeding max ipc size, config needs to be sent separately */
2048 	if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
2049 		ipc_size -= ipc_data_size;
2050 		ipc_data_size = 0;
2051 	}
2052 
2053 	process = kzalloc(ipc_size, GFP_KERNEL);
2054 	if (!process) {
2055 		ret = -ENOMEM;
2056 		goto out;
2057 	}
2058 
2059 	/* configure iir IPC message */
2060 	process->comp.hdr.size = ipc_size;
2061 	process->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
2062 	process->comp.id = swidget->comp_id;
2063 	process->comp.type = type;
2064 	process->comp.pipeline_id = index;
2065 	process->config.hdr.size = sizeof(process->config);
2066 
2067 	ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
2068 			       ARRAY_SIZE(comp_tokens), private->array,
2069 			       le32_to_cpu(private->size));
2070 	if (ret != 0) {
2071 		dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n",
2072 			le32_to_cpu(private->size));
2073 		goto err;
2074 	}
2075 
2076 	sof_dbg_comp_config(scomp, &process->config);
2077 
2078 	/*
2079 	 * found private data in control, so copy it.
2080 	 * get possible component controls - get size of all pdata,
2081 	 * then memcpy with headers
2082 	 */
2083 	if (ipc_data_size) {
2084 		for (i = 0; i < widget->num_kcontrols; i++) {
2085 			memcpy(&process->data + offset,
2086 			       wdata[i].pdata->data,
2087 			       wdata[i].pdata->size);
2088 			offset += wdata[i].pdata->size;
2089 		}
2090 	}
2091 
2092 	process->size = ipc_data_size;
2093 	swidget->private = process;
2094 
2095 	ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
2096 				 ipc_size, r, sizeof(*r));
2097 
2098 	if (ret < 0) {
2099 		dev_err(scomp->dev, "error: create process failed\n");
2100 		goto err;
2101 	}
2102 
2103 	/* we sent the data in single message so return */
2104 	if (ipc_data_size)
2105 		goto out;
2106 
2107 	/* send control data with large message supported method */
2108 	for (i = 0; i < widget->num_kcontrols; i++) {
2109 		wdata[i].control->readback_offset = 0;
2110 		ret = snd_sof_ipc_set_get_comp_data(wdata[i].control,
2111 						    wdata[i].ipc_cmd,
2112 						    wdata[i].ctrl_type,
2113 						    wdata[i].control->cmd,
2114 						    true);
2115 		if (ret != 0) {
2116 			dev_err(scomp->dev, "error: send control failed\n");
2117 			break;
2118 		}
2119 	}
2120 
2121 err:
2122 	if (ret < 0)
2123 		kfree(process);
2124 out:
2125 	kfree(wdata);
2126 	return ret;
2127 }
2128 
2129 /*
2130  * Processing Component Topology - can be "effect", "codec", or general
2131  * "processing".
2132  */
2133 
2134 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
2135 				   struct snd_sof_widget *swidget,
2136 				   struct snd_soc_tplg_dapm_widget *tw,
2137 				   struct sof_ipc_comp_reply *r)
2138 {
2139 	struct snd_soc_tplg_private *private = &tw->priv;
2140 	struct sof_ipc_comp_process config;
2141 	int ret;
2142 
2143 	/* check we have some tokens - we need at least process type */
2144 	if (le32_to_cpu(private->size) == 0) {
2145 		dev_err(scomp->dev, "error: process tokens not found\n");
2146 		return -EINVAL;
2147 	}
2148 
2149 	memset(&config, 0, sizeof(config));
2150 
2151 	/* get the process token */
2152 	ret = sof_parse_tokens(scomp, &config, process_tokens,
2153 			       ARRAY_SIZE(process_tokens), private->array,
2154 			       le32_to_cpu(private->size));
2155 	if (ret != 0) {
2156 		dev_err(scomp->dev, "error: parse process tokens failed %d\n",
2157 			le32_to_cpu(private->size));
2158 		return ret;
2159 	}
2160 
2161 	/* now load process specific data and send IPC */
2162 	ret = sof_process_load(scomp, index, swidget, tw, r,
2163 			       find_process_comp_type(config.type));
2164 	if (ret < 0) {
2165 		dev_err(scomp->dev, "error: process loading failed\n");
2166 		return ret;
2167 	}
2168 
2169 	return 0;
2170 }
2171 
2172 static int sof_widget_bind_event(struct snd_soc_component *scomp,
2173 				 struct snd_sof_widget *swidget,
2174 				 u16 event_type)
2175 {
2176 	struct sof_ipc_comp *ipc_comp;
2177 
2178 	/* validate widget event type */
2179 	switch (event_type) {
2180 	case SOF_KEYWORD_DETECT_DAPM_EVENT:
2181 		/* only KEYWORD_DETECT comps should handle this */
2182 		if (swidget->id != snd_soc_dapm_effect)
2183 			break;
2184 
2185 		ipc_comp = swidget->private;
2186 		if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2187 			break;
2188 
2189 		/* bind event to keyword detect comp */
2190 		return snd_soc_tplg_widget_bind_event(swidget->widget,
2191 						      sof_kwd_events,
2192 						      ARRAY_SIZE(sof_kwd_events),
2193 						      event_type);
2194 	default:
2195 		break;
2196 	}
2197 
2198 	dev_err(scomp->dev,
2199 		"error: invalid event type %d for widget %s\n",
2200 		event_type, swidget->widget->name);
2201 	return -EINVAL;
2202 }
2203 
2204 /* external widget init - used for any driver specific init */
2205 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2206 			    struct snd_soc_dapm_widget *w,
2207 			    struct snd_soc_tplg_dapm_widget *tw)
2208 {
2209 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2210 	struct snd_sof_widget *swidget;
2211 	struct snd_sof_dai *dai;
2212 	struct sof_ipc_comp_reply reply;
2213 	struct snd_sof_control *scontrol;
2214 	int ret = 0;
2215 
2216 	swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2217 	if (!swidget)
2218 		return -ENOMEM;
2219 
2220 	swidget->scomp = scomp;
2221 	swidget->widget = w;
2222 	swidget->comp_id = sdev->next_comp_id++;
2223 	swidget->complete = 0;
2224 	swidget->id = w->id;
2225 	swidget->pipeline_id = index;
2226 	swidget->private = NULL;
2227 	memset(&reply, 0, sizeof(reply));
2228 
2229 	dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2230 		swidget->comp_id, index, swidget->id, tw->name,
2231 		strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2232 			? tw->sname : "none");
2233 
2234 	/* handle any special case widgets */
2235 	switch (w->id) {
2236 	case snd_soc_dapm_dai_in:
2237 	case snd_soc_dapm_dai_out:
2238 		dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2239 		if (!dai) {
2240 			kfree(swidget);
2241 			return -ENOMEM;
2242 		}
2243 
2244 		ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply,
2245 					  dai);
2246 		if (ret == 0) {
2247 			sof_connect_dai_widget(scomp, w, tw, dai);
2248 			list_add(&dai->list, &sdev->dai_list);
2249 			swidget->private = dai;
2250 		} else {
2251 			kfree(dai);
2252 		}
2253 		break;
2254 	case snd_soc_dapm_mixer:
2255 		ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2256 		break;
2257 	case snd_soc_dapm_pga:
2258 		ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2259 		/* Find scontrol for this pga and set readback offset*/
2260 		list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2261 			if (scontrol->comp_id == swidget->comp_id) {
2262 				scontrol->readback_offset = reply.offset;
2263 				break;
2264 			}
2265 		}
2266 		break;
2267 	case snd_soc_dapm_buffer:
2268 		ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2269 		break;
2270 	case snd_soc_dapm_scheduler:
2271 		ret = sof_widget_load_pipeline(scomp, index, swidget, tw,
2272 					       &reply);
2273 		break;
2274 	case snd_soc_dapm_aif_out:
2275 		ret = sof_widget_load_pcm(scomp, index, swidget,
2276 					  SOF_IPC_STREAM_CAPTURE, tw, &reply);
2277 		break;
2278 	case snd_soc_dapm_aif_in:
2279 		ret = sof_widget_load_pcm(scomp, index, swidget,
2280 					  SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2281 		break;
2282 	case snd_soc_dapm_src:
2283 		ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2284 		break;
2285 	case snd_soc_dapm_asrc:
2286 		ret = sof_widget_load_asrc(scomp, index, swidget, tw, &reply);
2287 		break;
2288 	case snd_soc_dapm_siggen:
2289 		ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2290 		break;
2291 	case snd_soc_dapm_effect:
2292 		ret = sof_widget_load_process(scomp, index, swidget, tw,
2293 					      &reply);
2294 		break;
2295 	case snd_soc_dapm_mux:
2296 	case snd_soc_dapm_demux:
2297 		ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2298 		break;
2299 	case snd_soc_dapm_switch:
2300 	case snd_soc_dapm_dai_link:
2301 	case snd_soc_dapm_kcontrol:
2302 	default:
2303 		dev_warn(scomp->dev, "warning: widget type %d name %s not handled\n",
2304 			 swidget->id, tw->name);
2305 		break;
2306 	}
2307 
2308 	/* check IPC reply */
2309 	if (ret < 0 || reply.rhdr.error < 0) {
2310 		dev_err(scomp->dev,
2311 			"error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2312 			tw->shift, swidget->id, tw->name,
2313 			strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2314 				? tw->sname : "none", reply.rhdr.error);
2315 		kfree(swidget);
2316 		return ret;
2317 	}
2318 
2319 	/* bind widget to external event */
2320 	if (tw->event_type) {
2321 		ret = sof_widget_bind_event(scomp, swidget,
2322 					    le16_to_cpu(tw->event_type));
2323 		if (ret) {
2324 			dev_err(scomp->dev, "error: widget event binding failed\n");
2325 			kfree(swidget->private);
2326 			kfree(swidget);
2327 			return ret;
2328 		}
2329 	}
2330 
2331 	w->dobj.private = swidget;
2332 	list_add(&swidget->list, &sdev->widget_list);
2333 	return ret;
2334 }
2335 
2336 static int sof_route_unload(struct snd_soc_component *scomp,
2337 			    struct snd_soc_dobj *dobj)
2338 {
2339 	struct snd_sof_route *sroute;
2340 
2341 	sroute = dobj->private;
2342 	if (!sroute)
2343 		return 0;
2344 
2345 	/* free sroute and its private data */
2346 	kfree(sroute->private);
2347 	list_del(&sroute->list);
2348 	kfree(sroute);
2349 
2350 	return 0;
2351 }
2352 
2353 static int sof_widget_unload(struct snd_soc_component *scomp,
2354 			     struct snd_soc_dobj *dobj)
2355 {
2356 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2357 	const struct snd_kcontrol_new *kc;
2358 	struct snd_soc_dapm_widget *widget;
2359 	struct sof_ipc_pipe_new *pipeline;
2360 	struct snd_sof_control *scontrol;
2361 	struct snd_sof_widget *swidget;
2362 	struct soc_mixer_control *sm;
2363 	struct soc_bytes_ext *sbe;
2364 	struct snd_sof_dai *dai;
2365 	struct soc_enum *se;
2366 	int ret = 0;
2367 	int i;
2368 
2369 	swidget = dobj->private;
2370 	if (!swidget)
2371 		return 0;
2372 
2373 	widget = swidget->widget;
2374 
2375 	switch (swidget->id) {
2376 	case snd_soc_dapm_dai_in:
2377 	case snd_soc_dapm_dai_out:
2378 		dai = swidget->private;
2379 
2380 		if (dai) {
2381 			/* free dai config */
2382 			kfree(dai->dai_config);
2383 			list_del(&dai->list);
2384 		}
2385 		break;
2386 	case snd_soc_dapm_scheduler:
2387 
2388 		/* power down the pipeline schedule core */
2389 		pipeline = swidget->private;
2390 		ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2391 		if (ret < 0)
2392 			dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n",
2393 				pipeline->core);
2394 
2395 		/* update enabled cores mask */
2396 		sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2397 
2398 		break;
2399 	default:
2400 		break;
2401 	}
2402 	for (i = 0; i < widget->num_kcontrols; i++) {
2403 		kc = &widget->kcontrol_news[i];
2404 		switch (dobj->widget.kcontrol_type) {
2405 		case SND_SOC_TPLG_TYPE_MIXER:
2406 			sm = (struct soc_mixer_control *)kc->private_value;
2407 			scontrol = sm->dobj.private;
2408 			if (sm->max > 1)
2409 				kfree(scontrol->volume_table);
2410 			break;
2411 		case SND_SOC_TPLG_TYPE_ENUM:
2412 			se = (struct soc_enum *)kc->private_value;
2413 			scontrol = se->dobj.private;
2414 			break;
2415 		case SND_SOC_TPLG_TYPE_BYTES:
2416 			sbe = (struct soc_bytes_ext *)kc->private_value;
2417 			scontrol = sbe->dobj.private;
2418 			break;
2419 		default:
2420 			dev_warn(scomp->dev, "unsupported kcontrol_type\n");
2421 			goto out;
2422 		}
2423 		kfree(scontrol->control_data);
2424 		list_del(&scontrol->list);
2425 		kfree(scontrol);
2426 	}
2427 
2428 out:
2429 	/* free private value */
2430 	kfree(swidget->private);
2431 
2432 	/* remove and free swidget object */
2433 	list_del(&swidget->list);
2434 	kfree(swidget);
2435 
2436 	return ret;
2437 }
2438 
2439 /*
2440  * DAI HW configuration.
2441  */
2442 
2443 /* FE DAI - used for any driver specific init */
2444 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2445 			struct snd_soc_dai_driver *dai_drv,
2446 			struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2447 {
2448 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2449 	struct snd_soc_tplg_stream_caps *caps;
2450 	struct snd_soc_tplg_private *private = &pcm->priv;
2451 	struct snd_sof_pcm *spcm;
2452 	int stream;
2453 	int ret = 0;
2454 
2455 	/* nothing to do for BEs atm */
2456 	if (!pcm)
2457 		return 0;
2458 
2459 	spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2460 	if (!spcm)
2461 		return -ENOMEM;
2462 
2463 	spcm->scomp = scomp;
2464 
2465 	for_each_pcm_streams(stream) {
2466 		spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
2467 		INIT_WORK(&spcm->stream[stream].period_elapsed_work,
2468 			  snd_sof_pcm_period_elapsed_work);
2469 	}
2470 
2471 	spcm->pcm = *pcm;
2472 	dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
2473 
2474 	dai_drv->dobj.private = spcm;
2475 	list_add(&spcm->list, &sdev->pcm_list);
2476 
2477 	ret = sof_parse_tokens(scomp, spcm, stream_tokens,
2478 			       ARRAY_SIZE(stream_tokens), private->array,
2479 			       le32_to_cpu(private->size));
2480 	if (ret) {
2481 		dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
2482 			le32_to_cpu(private->size));
2483 		return ret;
2484 	}
2485 
2486 	/* do we need to allocate playback PCM DMA pages */
2487 	if (!spcm->pcm.playback)
2488 		goto capture;
2489 
2490 	stream = SNDRV_PCM_STREAM_PLAYBACK;
2491 
2492 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: playback d0i3:%d\n",
2493 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2494 
2495 	caps = &spcm->pcm.caps[stream];
2496 
2497 	/* allocate playback page table buffer */
2498 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2499 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2500 	if (ret < 0) {
2501 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2502 			caps->name, ret);
2503 
2504 		return ret;
2505 	}
2506 
2507 	/* bind pcm to host comp */
2508 	ret = spcm_bind(scomp, spcm, stream);
2509 	if (ret) {
2510 		dev_err(scomp->dev,
2511 			"error: can't bind pcm to host\n");
2512 		goto free_playback_tables;
2513 	}
2514 
2515 capture:
2516 	stream = SNDRV_PCM_STREAM_CAPTURE;
2517 
2518 	/* do we need to allocate capture PCM DMA pages */
2519 	if (!spcm->pcm.capture)
2520 		return ret;
2521 
2522 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: capture d0i3:%d\n",
2523 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2524 
2525 	caps = &spcm->pcm.caps[stream];
2526 
2527 	/* allocate capture page table buffer */
2528 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2529 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2530 	if (ret < 0) {
2531 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2532 			caps->name, ret);
2533 		goto free_playback_tables;
2534 	}
2535 
2536 	/* bind pcm to host comp */
2537 	ret = spcm_bind(scomp, spcm, stream);
2538 	if (ret) {
2539 		dev_err(scomp->dev,
2540 			"error: can't bind pcm to host\n");
2541 		snd_dma_free_pages(&spcm->stream[stream].page_table);
2542 		goto free_playback_tables;
2543 	}
2544 
2545 	return ret;
2546 
2547 free_playback_tables:
2548 	if (spcm->pcm.playback)
2549 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2550 
2551 	return ret;
2552 }
2553 
2554 static int sof_dai_unload(struct snd_soc_component *scomp,
2555 			  struct snd_soc_dobj *dobj)
2556 {
2557 	struct snd_sof_pcm *spcm = dobj->private;
2558 
2559 	/* free PCM DMA pages */
2560 	if (spcm->pcm.playback)
2561 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2562 
2563 	if (spcm->pcm.capture)
2564 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2565 
2566 	/* remove from list and free spcm */
2567 	list_del(&spcm->list);
2568 	kfree(spcm);
2569 
2570 	return 0;
2571 }
2572 
2573 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2574 			       struct sof_ipc_dai_config *config)
2575 {
2576 	/* clock directions wrt codec */
2577 	if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
2578 		/* codec is bclk master */
2579 		if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2580 			config->format |= SOF_DAI_FMT_CBM_CFM;
2581 		else
2582 			config->format |= SOF_DAI_FMT_CBM_CFS;
2583 	} else {
2584 		/* codec is bclk slave */
2585 		if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2586 			config->format |= SOF_DAI_FMT_CBS_CFM;
2587 		else
2588 			config->format |= SOF_DAI_FMT_CBS_CFS;
2589 	}
2590 
2591 	/* inverted clocks ? */
2592 	if (hw_config->invert_bclk) {
2593 		if (hw_config->invert_fsync)
2594 			config->format |= SOF_DAI_FMT_IB_IF;
2595 		else
2596 			config->format |= SOF_DAI_FMT_IB_NF;
2597 	} else {
2598 		if (hw_config->invert_fsync)
2599 			config->format |= SOF_DAI_FMT_NB_IF;
2600 		else
2601 			config->format |= SOF_DAI_FMT_NB_NF;
2602 	}
2603 }
2604 
2605 /* set config for all DAI's with name matching the link name */
2606 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2607 			      struct snd_soc_dai_link *link,
2608 			      struct sof_ipc_dai_config *config)
2609 {
2610 	struct snd_sof_dai *dai;
2611 	int found = 0;
2612 
2613 	list_for_each_entry(dai, &sdev->dai_list, list) {
2614 		if (!dai->name)
2615 			continue;
2616 
2617 		if (strcmp(link->name, dai->name) == 0) {
2618 			dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2619 			if (!dai->dai_config)
2620 				return -ENOMEM;
2621 
2622 			/* set cpu_dai_name */
2623 			dai->cpu_dai_name = link->cpus->dai_name;
2624 
2625 			found = 1;
2626 		}
2627 	}
2628 
2629 	/*
2630 	 * machine driver may define a dai link with playback and capture
2631 	 * dai enabled, but the dai link in topology would support both, one
2632 	 * or none of them. Here print a warning message to notify user
2633 	 */
2634 	if (!found) {
2635 		dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2636 			 link->name);
2637 	}
2638 
2639 	return 0;
2640 }
2641 
2642 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2643 			     struct snd_soc_dai_link *link,
2644 			     struct snd_soc_tplg_link_config *cfg,
2645 			     struct snd_soc_tplg_hw_config *hw_config,
2646 			     struct sof_ipc_dai_config *config)
2647 {
2648 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2649 	struct snd_soc_tplg_private *private = &cfg->priv;
2650 	struct sof_ipc_reply reply;
2651 	u32 size = sizeof(*config);
2652 	int ret;
2653 
2654 	/* handle master/slave and inverted clocks */
2655 	sof_dai_set_format(hw_config, config);
2656 
2657 	/* init IPC */
2658 	memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2659 	config->hdr.size = size;
2660 
2661 	ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2662 			       ARRAY_SIZE(ssp_tokens), private->array,
2663 			       le32_to_cpu(private->size));
2664 	if (ret != 0) {
2665 		dev_err(scomp->dev, "error: parse ssp tokens failed %d\n",
2666 			le32_to_cpu(private->size));
2667 		return ret;
2668 	}
2669 
2670 	config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2671 	config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2672 	config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2673 	config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2674 	config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2675 	config->ssp.mclk_direction = hw_config->mclk_direction;
2676 	config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2677 	config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2678 
2679 	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",
2680 		config->dai_index, config->format,
2681 		config->ssp.mclk_rate, config->ssp.bclk_rate,
2682 		config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2683 		config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2684 		config->ssp.mclk_id, config->ssp.quirks);
2685 
2686 	/* validate SSP fsync rate and channel count */
2687 	if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2688 		dev_err(scomp->dev, "error: invalid fsync rate for SSP%d\n",
2689 			config->dai_index);
2690 		return -EINVAL;
2691 	}
2692 
2693 	if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2694 		dev_err(scomp->dev, "error: invalid channel count for SSP%d\n",
2695 			config->dai_index);
2696 		return -EINVAL;
2697 	}
2698 
2699 	/* send message to DSP */
2700 	ret = sof_ipc_tx_message(sdev->ipc,
2701 				 config->hdr.cmd, config, size, &reply,
2702 				 sizeof(reply));
2703 
2704 	if (ret < 0) {
2705 		dev_err(scomp->dev, "error: failed to set DAI config for SSP%d\n",
2706 			config->dai_index);
2707 		return ret;
2708 	}
2709 
2710 	/* set config for all DAI's with name matching the link name */
2711 	ret = sof_set_dai_config(sdev, size, link, config);
2712 	if (ret < 0)
2713 		dev_err(scomp->dev, "error: failed to save DAI config for SSP%d\n",
2714 			config->dai_index);
2715 
2716 	return ret;
2717 }
2718 
2719 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2720 			     struct snd_soc_dai_link *link,
2721 			     struct snd_soc_tplg_link_config *cfg,
2722 			     struct snd_soc_tplg_hw_config *hw_config,
2723 			     struct sof_ipc_dai_config *config)
2724 {
2725 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2726 	struct snd_soc_tplg_private *private = &cfg->priv;
2727 	struct sof_ipc_reply reply;
2728 	u32 size = sizeof(*config);
2729 	int ret;
2730 
2731 	/* handle master/slave and inverted clocks */
2732 	sof_dai_set_format(hw_config, config);
2733 
2734 	/* init IPC */
2735 	memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params));
2736 	config->hdr.size = size;
2737 
2738 	ret = sof_parse_tokens(scomp, &config->sai, sai_tokens,
2739 			       ARRAY_SIZE(sai_tokens), private->array,
2740 			       le32_to_cpu(private->size));
2741 	if (ret != 0) {
2742 		dev_err(scomp->dev, "error: parse sai tokens failed %d\n",
2743 			le32_to_cpu(private->size));
2744 		return ret;
2745 	}
2746 
2747 	config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2748 	config->sai.mclk_direction = hw_config->mclk_direction;
2749 
2750 	config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2751 	config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2752 	config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2753 	config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2754 
2755 	dev_info(scomp->dev,
2756 		 "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2757 		config->dai_index, config->format,
2758 		config->sai.mclk_rate, config->sai.tdm_slot_width,
2759 		config->sai.tdm_slots, config->sai.mclk_id);
2760 
2761 	if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) {
2762 		dev_err(scomp->dev, "error: invalid channel count for SAI%d\n",
2763 			config->dai_index);
2764 		return -EINVAL;
2765 	}
2766 
2767 	/* send message to DSP */
2768 	ret = sof_ipc_tx_message(sdev->ipc,
2769 				 config->hdr.cmd, config, size, &reply,
2770 				 sizeof(reply));
2771 
2772 	if (ret < 0) {
2773 		dev_err(scomp->dev, "error: failed to set DAI config for SAI%d\n",
2774 			config->dai_index);
2775 		return ret;
2776 	}
2777 
2778 	/* set config for all DAI's with name matching the link name */
2779 	ret = sof_set_dai_config(sdev, size, link, config);
2780 	if (ret < 0)
2781 		dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n",
2782 			config->dai_index);
2783 
2784 	return ret;
2785 }
2786 
2787 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
2788 			      struct snd_soc_dai_link *link,
2789 			      struct snd_soc_tplg_link_config *cfg,
2790 			      struct snd_soc_tplg_hw_config *hw_config,
2791 			      struct sof_ipc_dai_config *config)
2792 {
2793 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2794 	struct snd_soc_tplg_private *private = &cfg->priv;
2795 	struct sof_ipc_reply reply;
2796 	u32 size = sizeof(*config);
2797 	int ret;
2798 
2799 	/* handle master/slave and inverted clocks */
2800 	sof_dai_set_format(hw_config, config);
2801 
2802 	/* init IPC */
2803 	memset(&config->esai, 0, sizeof(struct sof_ipc_dai_esai_params));
2804 	config->hdr.size = size;
2805 
2806 	ret = sof_parse_tokens(scomp, &config->esai, esai_tokens,
2807 			       ARRAY_SIZE(esai_tokens), private->array,
2808 			       le32_to_cpu(private->size));
2809 	if (ret != 0) {
2810 		dev_err(scomp->dev, "error: parse esai tokens failed %d\n",
2811 			le32_to_cpu(private->size));
2812 		return ret;
2813 	}
2814 
2815 	config->esai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2816 	config->esai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2817 	config->esai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2818 	config->esai.mclk_direction = hw_config->mclk_direction;
2819 	config->esai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2820 	config->esai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2821 	config->esai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2822 	config->esai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2823 
2824 	dev_info(scomp->dev,
2825 		 "tplg: config ESAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2826 		config->dai_index, config->format,
2827 		config->esai.mclk_rate, config->esai.tdm_slot_width,
2828 		config->esai.tdm_slots, config->esai.mclk_id);
2829 
2830 	if (config->esai.tdm_slots < 1 || config->esai.tdm_slots > 8) {
2831 		dev_err(scomp->dev, "error: invalid channel count for ESAI%d\n",
2832 			config->dai_index);
2833 		return -EINVAL;
2834 	}
2835 
2836 	/* send message to DSP */
2837 	ret = sof_ipc_tx_message(sdev->ipc,
2838 				 config->hdr.cmd, config, size, &reply,
2839 				 sizeof(reply));
2840 	if (ret < 0) {
2841 		dev_err(scomp->dev, "error: failed to set DAI config for ESAI%d\n",
2842 			config->dai_index);
2843 		return ret;
2844 	}
2845 
2846 	/* set config for all DAI's with name matching the link name */
2847 	ret = sof_set_dai_config(sdev, size, link, config);
2848 	if (ret < 0)
2849 		dev_err(scomp->dev, "error: failed to save DAI config for ESAI%d\n",
2850 			config->dai_index);
2851 
2852 	return ret;
2853 }
2854 
2855 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
2856 			      struct snd_soc_dai_link *link,
2857 			      struct snd_soc_tplg_link_config *cfg,
2858 			      struct snd_soc_tplg_hw_config *hw_config,
2859 			      struct sof_ipc_dai_config *config)
2860 {
2861 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2862 	struct snd_soc_tplg_private *private = &cfg->priv;
2863 	struct sof_ipc_dai_config *ipc_config;
2864 	struct sof_ipc_reply reply;
2865 	struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
2866 	struct sof_ipc_fw_version *v = &ready->version;
2867 	u32 size;
2868 	int ret, j;
2869 
2870 	/*
2871 	 * config is only used for the common params in dmic_params structure
2872 	 * that does not include the PDM controller config array
2873 	 * Set the common params to 0.
2874 	 */
2875 	memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
2876 
2877 	/* get DMIC tokens */
2878 	ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
2879 			       ARRAY_SIZE(dmic_tokens), private->array,
2880 			       le32_to_cpu(private->size));
2881 	if (ret != 0) {
2882 		dev_err(scomp->dev, "error: parse dmic tokens failed %d\n",
2883 			le32_to_cpu(private->size));
2884 		return ret;
2885 	}
2886 
2887 	/*
2888 	 * allocate memory for dmic dai config accounting for the
2889 	 * variable number of active pdm controllers
2890 	 * This will be the ipc payload for setting dai config
2891 	 */
2892 	size = sizeof(*config) + sizeof(struct sof_ipc_dai_dmic_pdm_ctrl) *
2893 					config->dmic.num_pdm_active;
2894 
2895 	ipc_config = kzalloc(size, GFP_KERNEL);
2896 	if (!ipc_config)
2897 		return -ENOMEM;
2898 
2899 	/* copy the common dai config and dmic params */
2900 	memcpy(ipc_config, config, sizeof(*config));
2901 
2902 	/*
2903 	 * alloc memory for private member
2904 	 * Used to track the pdm config array index currently being parsed
2905 	 */
2906 	sdev->private = kzalloc(sizeof(u32), GFP_KERNEL);
2907 	if (!sdev->private) {
2908 		kfree(ipc_config);
2909 		return -ENOMEM;
2910 	}
2911 
2912 	/* get DMIC PDM tokens */
2913 	ret = sof_parse_tokens(scomp, &ipc_config->dmic.pdm[0], dmic_pdm_tokens,
2914 			       ARRAY_SIZE(dmic_pdm_tokens), private->array,
2915 			       le32_to_cpu(private->size));
2916 	if (ret != 0) {
2917 		dev_err(scomp->dev, "error: parse dmic pdm tokens failed %d\n",
2918 			le32_to_cpu(private->size));
2919 		goto err;
2920 	}
2921 
2922 	/* set IPC header size */
2923 	ipc_config->hdr.size = size;
2924 
2925 	/* debug messages */
2926 	dev_dbg(scomp->dev, "tplg: config DMIC%d driver version %d\n",
2927 		ipc_config->dai_index, ipc_config->dmic.driver_ipc_version);
2928 	dev_dbg(scomp->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
2929 		ipc_config->dmic.pdmclk_min, ipc_config->dmic.pdmclk_max,
2930 		ipc_config->dmic.duty_min);
2931 	dev_dbg(scomp->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
2932 		ipc_config->dmic.duty_max, ipc_config->dmic.fifo_fs,
2933 		ipc_config->dmic.num_pdm_active);
2934 	dev_dbg(scomp->dev, "fifo word length %hd\n",
2935 		ipc_config->dmic.fifo_bits);
2936 
2937 	for (j = 0; j < ipc_config->dmic.num_pdm_active; j++) {
2938 		dev_dbg(scomp->dev, "pdm %hd mic a %hd mic b %hd\n",
2939 			ipc_config->dmic.pdm[j].id,
2940 			ipc_config->dmic.pdm[j].enable_mic_a,
2941 			ipc_config->dmic.pdm[j].enable_mic_b);
2942 		dev_dbg(scomp->dev, "pdm %hd polarity a %hd polarity b %hd\n",
2943 			ipc_config->dmic.pdm[j].id,
2944 			ipc_config->dmic.pdm[j].polarity_mic_a,
2945 			ipc_config->dmic.pdm[j].polarity_mic_b);
2946 		dev_dbg(scomp->dev, "pdm %hd clk_edge %hd skew %hd\n",
2947 			ipc_config->dmic.pdm[j].id,
2948 			ipc_config->dmic.pdm[j].clk_edge,
2949 			ipc_config->dmic.pdm[j].skew);
2950 	}
2951 
2952 	if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1)) {
2953 		/* this takes care of backwards compatible handling of fifo_bits_b */
2954 		ipc_config->dmic.reserved_2 = ipc_config->dmic.fifo_bits;
2955 	}
2956 
2957 	/* send message to DSP */
2958 	ret = sof_ipc_tx_message(sdev->ipc,
2959 				 ipc_config->hdr.cmd, ipc_config, size, &reply,
2960 				 sizeof(reply));
2961 
2962 	if (ret < 0) {
2963 		dev_err(scomp->dev,
2964 			"error: failed to set DAI config for DMIC%d\n",
2965 			config->dai_index);
2966 		goto err;
2967 	}
2968 
2969 	/* set config for all DAI's with name matching the link name */
2970 	ret = sof_set_dai_config(sdev, size, link, ipc_config);
2971 	if (ret < 0)
2972 		dev_err(scomp->dev, "error: failed to save DAI config for DMIC%d\n",
2973 			config->dai_index);
2974 
2975 err:
2976 	kfree(sdev->private);
2977 	kfree(ipc_config);
2978 
2979 	return ret;
2980 }
2981 
2982 /*
2983  * for hda link, playback and capture are supported by different dai
2984  * in FW. Here get the dai_index, set dma channel of each dai
2985  * and send config to FW. In FW, each dai sets config by dai_index
2986  */
2987 static int sof_link_hda_process(struct snd_sof_dev *sdev,
2988 				struct snd_soc_dai_link *link,
2989 				struct sof_ipc_dai_config *config)
2990 {
2991 	struct sof_ipc_reply reply;
2992 	u32 size = sizeof(*config);
2993 	struct snd_sof_dai *sof_dai;
2994 	int found = 0;
2995 	int ret;
2996 
2997 	list_for_each_entry(sof_dai, &sdev->dai_list, list) {
2998 		if (!sof_dai->name)
2999 			continue;
3000 
3001 		if (strcmp(link->name, sof_dai->name) == 0) {
3002 			config->dai_index = sof_dai->comp_dai.dai_index;
3003 			found = 1;
3004 
3005 			config->hda.link_dma_ch = DMA_CHAN_INVALID;
3006 
3007 			/* save config in dai component */
3008 			sof_dai->dai_config = kmemdup(config, size, GFP_KERNEL);
3009 			if (!sof_dai->dai_config)
3010 				return -ENOMEM;
3011 
3012 			sof_dai->cpu_dai_name = link->cpus->dai_name;
3013 
3014 			/* send message to DSP */
3015 			ret = sof_ipc_tx_message(sdev->ipc,
3016 						 config->hdr.cmd, config, size,
3017 						 &reply, sizeof(reply));
3018 
3019 			if (ret < 0) {
3020 				dev_err(sdev->dev, "error: failed to set DAI config for direction:%d of HDA dai %d\n",
3021 					sof_dai->comp_dai.direction,
3022 					config->dai_index);
3023 
3024 				return ret;
3025 			}
3026 		}
3027 	}
3028 
3029 	/*
3030 	 * machine driver may define a dai link with playback and capture
3031 	 * dai enabled, but the dai link in topology would support both, one
3032 	 * or none of them. Here print a warning message to notify user
3033 	 */
3034 	if (!found) {
3035 		dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
3036 			 link->name);
3037 	}
3038 
3039 	return 0;
3040 }
3041 
3042 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
3043 			     struct snd_soc_dai_link *link,
3044 			     struct snd_soc_tplg_link_config *cfg,
3045 			     struct snd_soc_tplg_hw_config *hw_config,
3046 			     struct sof_ipc_dai_config *config)
3047 {
3048 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3049 	struct snd_soc_tplg_private *private = &cfg->priv;
3050 	struct snd_soc_dai *dai;
3051 	u32 size = sizeof(*config);
3052 	int ret;
3053 
3054 	/* init IPC */
3055 	memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
3056 	config->hdr.size = size;
3057 
3058 	/* get any bespoke DAI tokens */
3059 	ret = sof_parse_tokens(scomp, config, hda_tokens,
3060 			       ARRAY_SIZE(hda_tokens), private->array,
3061 			       le32_to_cpu(private->size));
3062 	if (ret != 0) {
3063 		dev_err(scomp->dev, "error: parse hda tokens failed %d\n",
3064 			le32_to_cpu(private->size));
3065 		return ret;
3066 	}
3067 
3068 	dai = snd_soc_find_dai(link->cpus);
3069 	if (!dai) {
3070 		dev_err(scomp->dev, "error: failed to find dai %s in %s",
3071 			link->cpus->dai_name, __func__);
3072 		return -EINVAL;
3073 	}
3074 
3075 	ret = sof_link_hda_process(sdev, link, config);
3076 	if (ret < 0)
3077 		dev_err(scomp->dev, "error: failed to process hda dai link %s",
3078 			link->name);
3079 
3080 	return ret;
3081 }
3082 
3083 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
3084 			     struct snd_soc_dai_link *link,
3085 			     struct snd_soc_tplg_link_config *cfg,
3086 			     struct snd_soc_tplg_hw_config *hw_config,
3087 			     struct sof_ipc_dai_config *config)
3088 {
3089 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3090 	struct sof_ipc_reply reply;
3091 	u32 size = sizeof(*config);
3092 	int ret;
3093 
3094 	/* init IPC */
3095 	config->hdr.size = size;
3096 
3097 	/* send message to DSP */
3098 	ret = sof_ipc_tx_message(sdev->ipc,
3099 				 config->hdr.cmd, config, size, &reply,
3100 				 sizeof(reply));
3101 
3102 	if (ret < 0) {
3103 		dev_err(scomp->dev, "error: failed to set DAI config for ALH %d\n",
3104 			config->dai_index);
3105 		return ret;
3106 	}
3107 
3108 	/* set config for all DAI's with name matching the link name */
3109 	ret = sof_set_dai_config(sdev, size, link, config);
3110 	if (ret < 0)
3111 		dev_err(scomp->dev, "error: failed to save DAI config for ALH %d\n",
3112 			config->dai_index);
3113 
3114 	return ret;
3115 }
3116 
3117 /* DAI link - used for any driver specific init */
3118 static int sof_link_load(struct snd_soc_component *scomp, int index,
3119 			 struct snd_soc_dai_link *link,
3120 			 struct snd_soc_tplg_link_config *cfg)
3121 {
3122 	struct snd_soc_tplg_private *private = &cfg->priv;
3123 	struct sof_ipc_dai_config config;
3124 	struct snd_soc_tplg_hw_config *hw_config;
3125 	int num_hw_configs;
3126 	int ret;
3127 	int i = 0;
3128 
3129 	if (!link->platforms) {
3130 		dev_err(scomp->dev, "error: no platforms\n");
3131 		return -EINVAL;
3132 	}
3133 	link->platforms->name = dev_name(scomp->dev);
3134 
3135 	/*
3136 	 * Set nonatomic property for FE dai links as their trigger action
3137 	 * involves IPC's.
3138 	 */
3139 	if (!link->no_pcm) {
3140 		link->nonatomic = true;
3141 
3142 		/* set trigger order */
3143 		link->trigger[0] = SND_SOC_DPCM_TRIGGER_POST;
3144 		link->trigger[1] = SND_SOC_DPCM_TRIGGER_POST;
3145 
3146 		/* nothing more to do for FE dai links */
3147 		return 0;
3148 	}
3149 
3150 	/* check we have some tokens - we need at least DAI type */
3151 	if (le32_to_cpu(private->size) == 0) {
3152 		dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
3153 		return -EINVAL;
3154 	}
3155 
3156 	/* Send BE DAI link configurations to DSP */
3157 	memset(&config, 0, sizeof(config));
3158 
3159 	/* get any common DAI tokens */
3160 	ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
3161 			       ARRAY_SIZE(dai_link_tokens), private->array,
3162 			       le32_to_cpu(private->size));
3163 	if (ret != 0) {
3164 		dev_err(scomp->dev, "error: parse link tokens failed %d\n",
3165 			le32_to_cpu(private->size));
3166 		return ret;
3167 	}
3168 
3169 	/*
3170 	 * DAI links are expected to have at least 1 hw_config.
3171 	 * But some older topologies might have no hw_config for HDA dai links.
3172 	 */
3173 	num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
3174 	if (!num_hw_configs) {
3175 		if (config.type != SOF_DAI_INTEL_HDA) {
3176 			dev_err(scomp->dev, "error: unexpected DAI config count %d!\n",
3177 				le32_to_cpu(cfg->num_hw_configs));
3178 			return -EINVAL;
3179 		}
3180 	} else {
3181 		dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d!\n",
3182 			cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
3183 
3184 		for (i = 0; i < num_hw_configs; i++) {
3185 			if (cfg->hw_config[i].id == cfg->default_hw_config_id)
3186 				break;
3187 		}
3188 
3189 		if (i == num_hw_configs) {
3190 			dev_err(scomp->dev, "error: default hw_config id: %d not found!\n",
3191 				le32_to_cpu(cfg->default_hw_config_id));
3192 			return -EINVAL;
3193 		}
3194 	}
3195 
3196 	/* configure dai IPC message */
3197 	hw_config = &cfg->hw_config[i];
3198 
3199 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
3200 	config.format = le32_to_cpu(hw_config->fmt);
3201 
3202 	/* now load DAI specific data and send IPC - type comes from token */
3203 	switch (config.type) {
3204 	case SOF_DAI_INTEL_SSP:
3205 		ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
3206 					&config);
3207 		break;
3208 	case SOF_DAI_INTEL_DMIC:
3209 		ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
3210 					 &config);
3211 		break;
3212 	case SOF_DAI_INTEL_HDA:
3213 		ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
3214 					&config);
3215 		break;
3216 	case SOF_DAI_INTEL_ALH:
3217 		ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
3218 					&config);
3219 		break;
3220 	case SOF_DAI_IMX_SAI:
3221 		ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
3222 					&config);
3223 		break;
3224 	case SOF_DAI_IMX_ESAI:
3225 		ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
3226 					 &config);
3227 		break;
3228 	default:
3229 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3230 			config.type);
3231 		ret = -EINVAL;
3232 		break;
3233 	}
3234 	if (ret < 0)
3235 		return ret;
3236 
3237 	return 0;
3238 }
3239 
3240 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
3241 			       struct snd_soc_dai_link *link)
3242 {
3243 	struct snd_soc_dai *dai;
3244 	int ret = 0;
3245 
3246 	dai = snd_soc_find_dai(link->cpus);
3247 	if (!dai) {
3248 		dev_err(sdev->dev, "error: failed to find dai %s in %s",
3249 			link->cpus->dai_name, __func__);
3250 		return -EINVAL;
3251 	}
3252 
3253 	return ret;
3254 }
3255 
3256 static int sof_link_unload(struct snd_soc_component *scomp,
3257 			   struct snd_soc_dobj *dobj)
3258 {
3259 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3260 	struct snd_soc_dai_link *link =
3261 		container_of(dobj, struct snd_soc_dai_link, dobj);
3262 
3263 	struct snd_sof_dai *sof_dai;
3264 	int ret = 0;
3265 
3266 	/* only BE link is loaded by sof */
3267 	if (!link->no_pcm)
3268 		return 0;
3269 
3270 	list_for_each_entry(sof_dai, &sdev->dai_list, list) {
3271 		if (!sof_dai->name)
3272 			continue;
3273 
3274 		if (strcmp(link->name, sof_dai->name) == 0)
3275 			goto found;
3276 	}
3277 
3278 	dev_err(scomp->dev, "error: failed to find dai %s in %s",
3279 		link->name, __func__);
3280 	return -EINVAL;
3281 found:
3282 
3283 	switch (sof_dai->dai_config->type) {
3284 	case SOF_DAI_INTEL_SSP:
3285 	case SOF_DAI_INTEL_DMIC:
3286 	case SOF_DAI_INTEL_ALH:
3287 	case SOF_DAI_IMX_SAI:
3288 	case SOF_DAI_IMX_ESAI:
3289 		/* no resource needs to be released for all cases above */
3290 		break;
3291 	case SOF_DAI_INTEL_HDA:
3292 		ret = sof_link_hda_unload(sdev, link);
3293 		break;
3294 	default:
3295 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3296 			sof_dai->dai_config->type);
3297 		ret = -EINVAL;
3298 		break;
3299 	}
3300 
3301 	return ret;
3302 }
3303 
3304 /* DAI link - used for any driver specific init */
3305 static int sof_route_load(struct snd_soc_component *scomp, int index,
3306 			  struct snd_soc_dapm_route *route)
3307 {
3308 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3309 	struct sof_ipc_pipe_comp_connect *connect;
3310 	struct snd_sof_widget *source_swidget, *sink_swidget;
3311 	struct snd_soc_dobj *dobj = &route->dobj;
3312 	struct snd_sof_route *sroute;
3313 	struct sof_ipc_reply reply;
3314 	int ret = 0;
3315 
3316 	/* allocate memory for sroute and connect */
3317 	sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
3318 	if (!sroute)
3319 		return -ENOMEM;
3320 
3321 	sroute->scomp = scomp;
3322 
3323 	connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3324 	if (!connect) {
3325 		kfree(sroute);
3326 		return -ENOMEM;
3327 	}
3328 
3329 	connect->hdr.size = sizeof(*connect);
3330 	connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3331 
3332 	dev_dbg(scomp->dev, "sink %s control %s source %s\n",
3333 		route->sink, route->control ? route->control : "none",
3334 		route->source);
3335 
3336 	/* source component */
3337 	source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
3338 	if (!source_swidget) {
3339 		dev_err(scomp->dev, "error: source %s not found\n",
3340 			route->source);
3341 		ret = -EINVAL;
3342 		goto err;
3343 	}
3344 
3345 	/*
3346 	 * Virtual widgets of type output/out_drv may be added in topology
3347 	 * for compatibility. These are not handled by the FW.
3348 	 * So, don't send routes whose source/sink widget is of such types
3349 	 * to the DSP.
3350 	 */
3351 	if (source_swidget->id == snd_soc_dapm_out_drv ||
3352 	    source_swidget->id == snd_soc_dapm_output)
3353 		goto err;
3354 
3355 	connect->source_id = source_swidget->comp_id;
3356 
3357 	/* sink component */
3358 	sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
3359 	if (!sink_swidget) {
3360 		dev_err(scomp->dev, "error: sink %s not found\n",
3361 			route->sink);
3362 		ret = -EINVAL;
3363 		goto err;
3364 	}
3365 
3366 	/*
3367 	 * Don't send routes whose sink widget is of type
3368 	 * output or out_drv to the DSP
3369 	 */
3370 	if (sink_swidget->id == snd_soc_dapm_out_drv ||
3371 	    sink_swidget->id == snd_soc_dapm_output)
3372 		goto err;
3373 
3374 	connect->sink_id = sink_swidget->comp_id;
3375 
3376 	/*
3377 	 * For virtual routes, both sink and source are not
3378 	 * buffer. Since only buffer linked to component is supported by
3379 	 * FW, others are reported as error, add check in route function,
3380 	 * do not send it to FW when both source and sink are not buffer
3381 	 */
3382 	if (source_swidget->id != snd_soc_dapm_buffer &&
3383 	    sink_swidget->id != snd_soc_dapm_buffer) {
3384 		dev_dbg(scomp->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3385 			route->source, route->sink);
3386 		ret = 0;
3387 		goto err;
3388 	} else {
3389 		ret = sof_ipc_tx_message(sdev->ipc,
3390 					 connect->hdr.cmd,
3391 					 connect, sizeof(*connect),
3392 					 &reply, sizeof(reply));
3393 
3394 		/* check IPC return value */
3395 		if (ret < 0) {
3396 			dev_err(scomp->dev, "error: failed to add route sink %s control %s source %s\n",
3397 				route->sink,
3398 				route->control ? route->control : "none",
3399 				route->source);
3400 			goto err;
3401 		}
3402 
3403 		/* check IPC reply */
3404 		if (reply.error < 0) {
3405 			dev_err(scomp->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3406 				route->sink,
3407 				route->control ? route->control : "none",
3408 				route->source, reply.error);
3409 			ret = reply.error;
3410 			goto err;
3411 		}
3412 
3413 		sroute->route = route;
3414 		dobj->private = sroute;
3415 		sroute->private = connect;
3416 
3417 		/* add route to route list */
3418 		list_add(&sroute->list, &sdev->route_list);
3419 
3420 		return ret;
3421 	}
3422 
3423 err:
3424 	kfree(connect);
3425 	kfree(sroute);
3426 	return ret;
3427 }
3428 
3429 /* Function to set the initial value of SOF kcontrols.
3430  * The value will be stored in scontrol->control_data
3431  */
3432 static int snd_sof_cache_kcontrol_val(struct snd_soc_component *scomp)
3433 {
3434 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3435 	struct snd_sof_control *scontrol = NULL;
3436 	int ipc_cmd, ctrl_type;
3437 	int ret = 0;
3438 
3439 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3440 
3441 		/* notify DSP of kcontrol values */
3442 		switch (scontrol->cmd) {
3443 		case SOF_CTRL_CMD_VOLUME:
3444 		case SOF_CTRL_CMD_ENUM:
3445 		case SOF_CTRL_CMD_SWITCH:
3446 			ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3447 			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3448 			break;
3449 		case SOF_CTRL_CMD_BINARY:
3450 			ipc_cmd = SOF_IPC_COMP_GET_DATA;
3451 			ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3452 			break;
3453 		default:
3454 			dev_err(scomp->dev,
3455 				"error: Invalid scontrol->cmd: %d\n",
3456 				scontrol->cmd);
3457 			return -EINVAL;
3458 		}
3459 		ret = snd_sof_ipc_set_get_comp_data(scontrol,
3460 						    ipc_cmd, ctrl_type,
3461 						    scontrol->cmd,
3462 						    false);
3463 		if (ret < 0) {
3464 			dev_warn(scomp->dev,
3465 				 "error: kcontrol value get for widget: %d\n",
3466 				 scontrol->comp_id);
3467 		}
3468 	}
3469 
3470 	return ret;
3471 }
3472 
3473 int snd_sof_complete_pipeline(struct device *dev,
3474 			      struct snd_sof_widget *swidget)
3475 {
3476 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
3477 	struct sof_ipc_pipe_ready ready;
3478 	struct sof_ipc_reply reply;
3479 	int ret;
3480 
3481 	dev_dbg(dev, "tplg: complete pipeline %s id %d\n",
3482 		swidget->widget->name, swidget->comp_id);
3483 
3484 	memset(&ready, 0, sizeof(ready));
3485 	ready.hdr.size = sizeof(ready);
3486 	ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3487 	ready.comp_id = swidget->comp_id;
3488 
3489 	ret = sof_ipc_tx_message(sdev->ipc,
3490 				 ready.hdr.cmd, &ready, sizeof(ready), &reply,
3491 				 sizeof(reply));
3492 	if (ret < 0)
3493 		return ret;
3494 	return 1;
3495 }
3496 
3497 /* completion - called at completion of firmware loading */
3498 static void sof_complete(struct snd_soc_component *scomp)
3499 {
3500 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3501 	struct snd_sof_widget *swidget;
3502 
3503 	/* some widget types require completion notificattion */
3504 	list_for_each_entry(swidget, &sdev->widget_list, list) {
3505 		if (swidget->complete)
3506 			continue;
3507 
3508 		switch (swidget->id) {
3509 		case snd_soc_dapm_scheduler:
3510 			swidget->complete =
3511 				snd_sof_complete_pipeline(scomp->dev, swidget);
3512 			break;
3513 		default:
3514 			break;
3515 		}
3516 	}
3517 	/*
3518 	 * cache initial values of SOF kcontrols by reading DSP value over
3519 	 * IPC. It may be overwritten by alsa-mixer after booting up
3520 	 */
3521 	snd_sof_cache_kcontrol_val(scomp);
3522 }
3523 
3524 /* manifest - optional to inform component of manifest */
3525 static int sof_manifest(struct snd_soc_component *scomp, int index,
3526 			struct snd_soc_tplg_manifest *man)
3527 {
3528 	u32 size;
3529 	u32 abi_version;
3530 
3531 	size = le32_to_cpu(man->priv.size);
3532 
3533 	/* backward compatible with tplg without ABI info */
3534 	if (!size) {
3535 		dev_dbg(scomp->dev, "No topology ABI info\n");
3536 		return 0;
3537 	}
3538 
3539 	if (size != SOF_TPLG_ABI_SIZE) {
3540 		dev_err(scomp->dev, "error: invalid topology ABI size\n");
3541 		return -EINVAL;
3542 	}
3543 
3544 	dev_info(scomp->dev,
3545 		 "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3546 		 man->priv.data[0], man->priv.data[1],
3547 		 man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3548 		 SOF_ABI_PATCH);
3549 
3550 	abi_version = SOF_ABI_VER(man->priv.data[0],
3551 				  man->priv.data[1],
3552 				  man->priv.data[2]);
3553 
3554 	if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3555 		dev_err(scomp->dev, "error: incompatible topology ABI version\n");
3556 		return -EINVAL;
3557 	}
3558 
3559 	if (abi_version > SOF_ABI_VERSION) {
3560 		if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3561 			dev_warn(scomp->dev, "warn: topology ABI is more recent than kernel\n");
3562 		} else {
3563 			dev_err(scomp->dev, "error: topology ABI is more recent than kernel\n");
3564 			return -EINVAL;
3565 		}
3566 	}
3567 
3568 	return 0;
3569 }
3570 
3571 /* vendor specific kcontrol handlers available for binding */
3572 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3573 	{SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3574 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3575 	{SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3576 	{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3577 };
3578 
3579 /* vendor specific bytes ext handlers available for binding */
3580 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3581 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3582 };
3583 
3584 static struct snd_soc_tplg_ops sof_tplg_ops = {
3585 	/* external kcontrol init - used for any driver specific init */
3586 	.control_load	= sof_control_load,
3587 	.control_unload	= sof_control_unload,
3588 
3589 	/* external kcontrol init - used for any driver specific init */
3590 	.dapm_route_load	= sof_route_load,
3591 	.dapm_route_unload	= sof_route_unload,
3592 
3593 	/* external widget init - used for any driver specific init */
3594 	/* .widget_load is not currently used */
3595 	.widget_ready	= sof_widget_ready,
3596 	.widget_unload	= sof_widget_unload,
3597 
3598 	/* FE DAI - used for any driver specific init */
3599 	.dai_load	= sof_dai_load,
3600 	.dai_unload	= sof_dai_unload,
3601 
3602 	/* DAI link - used for any driver specific init */
3603 	.link_load	= sof_link_load,
3604 	.link_unload	= sof_link_unload,
3605 
3606 	/* completion - called at completion of firmware loading */
3607 	.complete	= sof_complete,
3608 
3609 	/* manifest - optional to inform component of manifest */
3610 	.manifest	= sof_manifest,
3611 
3612 	/* vendor specific kcontrol handlers available for binding */
3613 	.io_ops		= sof_io_ops,
3614 	.io_ops_count	= ARRAY_SIZE(sof_io_ops),
3615 
3616 	/* vendor specific bytes ext handlers available for binding */
3617 	.bytes_ext_ops	= sof_bytes_ext_ops,
3618 	.bytes_ext_ops_count	= ARRAY_SIZE(sof_bytes_ext_ops),
3619 };
3620 
3621 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
3622 {
3623 	const struct firmware *fw;
3624 	int ret;
3625 
3626 	dev_dbg(scomp->dev, "loading topology:%s\n", file);
3627 
3628 	ret = request_firmware(&fw, file, scomp->dev);
3629 	if (ret < 0) {
3630 		dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
3631 			file, ret);
3632 		return ret;
3633 	}
3634 
3635 	ret = snd_soc_tplg_component_load(scomp,
3636 					  &sof_tplg_ops, fw,
3637 					  SND_SOC_TPLG_INDEX_ALL);
3638 	if (ret < 0) {
3639 		dev_err(scomp->dev, "error: tplg component load failed %d\n",
3640 			ret);
3641 		ret = -EINVAL;
3642 	}
3643 
3644 	release_firmware(fw);
3645 	return ret;
3646 }
3647 EXPORT_SYMBOL(snd_sof_load_topology);
3648