xref: /openbmc/linux/sound/soc/sof/topology.c (revision bef7a78d)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license.  When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
7 //
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 //
10 
11 #include <linux/bits.h>
12 #include <linux/device.h>
13 #include <linux/errno.h>
14 #include <linux/firmware.h>
15 #include <linux/workqueue.h>
16 #include <sound/tlv.h>
17 #include <sound/pcm_params.h>
18 #include <uapi/sound/sof/tokens.h>
19 #include "sof-priv.h"
20 #include "sof-audio.h"
21 #include "ops.h"
22 
23 #define COMP_ID_UNASSIGNED		0xffffffff
24 /*
25  * Constants used in the computation of linear volume gain
26  * from dB gain 20th root of 10 in Q1.16 fixed-point notation
27  */
28 #define VOL_TWENTIETH_ROOT_OF_TEN	73533
29 /* 40th root of 10 in Q1.16 fixed-point notation*/
30 #define VOL_FORTIETH_ROOT_OF_TEN	69419
31 /*
32  * Volume fractional word length define to 16 sets
33  * the volume linear gain value to use Qx.16 format
34  */
35 #define VOLUME_FWL	16
36 /* 0.5 dB step value in topology TLV */
37 #define VOL_HALF_DB_STEP	50
38 /* Full volume for default values */
39 #define VOL_ZERO_DB	BIT(VOLUME_FWL)
40 
41 /* TLV data items */
42 #define TLV_ITEMS	3
43 #define TLV_MIN		0
44 #define TLV_STEP	1
45 #define TLV_MUTE	2
46 
47 /* size of tplg abi in byte */
48 #define SOF_TPLG_ABI_SIZE 3
49 
50 struct sof_widget_data {
51 	int ctrl_type;
52 	int ipc_cmd;
53 	struct sof_abi_hdr *pdata;
54 	struct snd_sof_control *control;
55 };
56 
57 /* send pcm params ipc */
58 static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
59 {
60 	struct sof_ipc_pcm_params_reply ipc_params_reply;
61 	struct snd_soc_component *scomp = swidget->scomp;
62 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
63 	struct sof_ipc_pcm_params pcm;
64 	struct snd_pcm_hw_params *params;
65 	struct snd_sof_pcm *spcm;
66 	int ret;
67 
68 	memset(&pcm, 0, sizeof(pcm));
69 
70 	/* get runtime PCM params using widget's stream name */
71 	spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
72 	if (!spcm) {
73 		dev_err(scomp->dev, "error: cannot find PCM for %s\n",
74 			swidget->widget->name);
75 		return -EINVAL;
76 	}
77 
78 	params = &spcm->params[dir];
79 
80 	/* set IPC PCM params */
81 	pcm.hdr.size = sizeof(pcm);
82 	pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
83 	pcm.comp_id = swidget->comp_id;
84 	pcm.params.hdr.size = sizeof(pcm.params);
85 	pcm.params.direction = dir;
86 	pcm.params.sample_valid_bytes = params_width(params) >> 3;
87 	pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
88 	pcm.params.rate = params_rate(params);
89 	pcm.params.channels = params_channels(params);
90 	pcm.params.host_period_bytes = params_period_bytes(params);
91 
92 	/* set format */
93 	switch (params_format(params)) {
94 	case SNDRV_PCM_FORMAT_S16:
95 		pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
96 		break;
97 	case SNDRV_PCM_FORMAT_S24:
98 		pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
99 		break;
100 	case SNDRV_PCM_FORMAT_S32:
101 		pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
102 		break;
103 	default:
104 		return -EINVAL;
105 	}
106 
107 	/* send IPC to the DSP */
108 	ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
109 				 &ipc_params_reply, sizeof(ipc_params_reply));
110 	if (ret < 0)
111 		dev_err(scomp->dev, "error: pcm params failed for %s\n",
112 			swidget->widget->name);
113 
114 	return ret;
115 }
116 
117  /* send stream trigger ipc */
118 static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
119 {
120 	struct snd_soc_component *scomp = swidget->scomp;
121 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
122 	struct sof_ipc_stream stream;
123 	struct sof_ipc_reply reply;
124 	int ret;
125 
126 	/* set IPC stream params */
127 	stream.hdr.size = sizeof(stream);
128 	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
129 	stream.comp_id = swidget->comp_id;
130 
131 	/* send IPC to the DSP */
132 	ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
133 				 sizeof(stream), &reply, sizeof(reply));
134 	if (ret < 0)
135 		dev_err(scomp->dev, "error: failed to trigger %s\n",
136 			swidget->widget->name);
137 
138 	return ret;
139 }
140 
141 static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
142 				  struct snd_kcontrol *k, int event)
143 {
144 	struct snd_sof_widget *swidget = w->dobj.private;
145 	struct snd_soc_component *scomp;
146 	int stream = SNDRV_PCM_STREAM_CAPTURE;
147 	struct snd_sof_pcm *spcm;
148 	int ret = 0;
149 
150 	if (!swidget)
151 		return 0;
152 
153 	scomp = swidget->scomp;
154 
155 	dev_dbg(scomp->dev, "received event %d for widget %s\n",
156 		event, w->name);
157 
158 	/* get runtime PCM params using widget's stream name */
159 	spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
160 	if (!spcm) {
161 		dev_err(scomp->dev, "error: cannot find PCM for %s\n",
162 			swidget->widget->name);
163 		return -EINVAL;
164 	}
165 
166 	/* process events */
167 	switch (event) {
168 	case SND_SOC_DAPM_PRE_PMU:
169 		if (spcm->stream[stream].suspend_ignored) {
170 			dev_dbg(scomp->dev, "PRE_PMU event ignored, KWD pipeline is already RUNNING\n");
171 			return 0;
172 		}
173 
174 		/* set pcm params */
175 		ret = ipc_pcm_params(swidget, stream);
176 		if (ret < 0) {
177 			dev_err(scomp->dev,
178 				"error: failed to set pcm params for widget %s\n",
179 				swidget->widget->name);
180 			break;
181 		}
182 
183 		/* start trigger */
184 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
185 		if (ret < 0)
186 			dev_err(scomp->dev,
187 				"error: failed to trigger widget %s\n",
188 				swidget->widget->name);
189 		break;
190 	case SND_SOC_DAPM_POST_PMD:
191 		if (spcm->stream[stream].suspend_ignored) {
192 			dev_dbg(scomp->dev, "POST_PMD even ignored, KWD pipeline will remain RUNNING\n");
193 			return 0;
194 		}
195 
196 		/* stop trigger */
197 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
198 		if (ret < 0)
199 			dev_err(scomp->dev,
200 				"error: failed to trigger widget %s\n",
201 				swidget->widget->name);
202 
203 		/* pcm free */
204 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
205 		if (ret < 0)
206 			dev_err(scomp->dev,
207 				"error: failed to trigger widget %s\n",
208 				swidget->widget->name);
209 		break;
210 	default:
211 		break;
212 	}
213 
214 	return ret;
215 }
216 
217 /* event handlers for keyword detect component */
218 static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
219 	{SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
220 };
221 
222 static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
223 {
224 	/* we only support dB scale TLV type at the moment */
225 	if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
226 		return -EINVAL;
227 
228 	/* min value in topology tlv data is multiplied by 100 */
229 	tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
230 
231 	/* volume steps */
232 	tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
233 				TLV_DB_SCALE_MASK);
234 
235 	/* mute ON/OFF */
236 	if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
237 		TLV_DB_SCALE_MUTE) == 0)
238 		tlv[TLV_MUTE] = 0;
239 	else
240 		tlv[TLV_MUTE] = 1;
241 
242 	return 0;
243 }
244 
245 /*
246  * Function to truncate an unsigned 64-bit number
247  * by x bits and return 32-bit unsigned number. This
248  * function also takes care of rounding while truncating
249  */
250 static inline u32 vol_shift_64(u64 i, u32 x)
251 {
252 	/* do not truncate more than 32 bits */
253 	if (x > 32)
254 		x = 32;
255 
256 	if (x == 0)
257 		return (u32)i;
258 
259 	return (u32)(((i >> (x - 1)) + 1) >> 1);
260 }
261 
262 /*
263  * Function to compute a ^ exp where,
264  * a is a fractional number represented by a fixed-point
265  * integer with a fractional world length of "fwl"
266  * exp is an integer
267  * fwl is the fractional word length
268  * Return value is a fractional number represented by a
269  * fixed-point integer with a fractional word length of "fwl"
270  */
271 static u32 vol_pow32(u32 a, int exp, u32 fwl)
272 {
273 	int i, iter;
274 	u32 power = 1 << fwl;
275 	u64 numerator;
276 
277 	/* if exponent is 0, return 1 */
278 	if (exp == 0)
279 		return power;
280 
281 	/* determine the number of iterations based on the exponent */
282 	if (exp < 0)
283 		iter = exp * -1;
284 	else
285 		iter = exp;
286 
287 	/* mutiply a "iter" times to compute power */
288 	for (i = 0; i < iter; i++) {
289 		/*
290 		 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
291 		 * Truncate product back to fwl fractional bits with rounding
292 		 */
293 		power = vol_shift_64((u64)power * a, fwl);
294 	}
295 
296 	if (exp > 0) {
297 		/* if exp is positive, return the result */
298 		return power;
299 	}
300 
301 	/* if exp is negative, return the multiplicative inverse */
302 	numerator = (u64)1 << (fwl << 1);
303 	do_div(numerator, power);
304 
305 	return (u32)numerator;
306 }
307 
308 /*
309  * Function to calculate volume gain from TLV data.
310  * This function can only handle gain steps that are multiples of 0.5 dB
311  */
312 static u32 vol_compute_gain(u32 value, int *tlv)
313 {
314 	int dB_gain;
315 	u32 linear_gain;
316 	int f_step;
317 
318 	/* mute volume */
319 	if (value == 0 && tlv[TLV_MUTE])
320 		return 0;
321 
322 	/*
323 	 * compute dB gain from tlv. tlv_step
324 	 * in topology is multiplied by 100
325 	 */
326 	dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
327 
328 	/*
329 	 * compute linear gain represented by fixed-point
330 	 * int with VOLUME_FWL fractional bits
331 	 */
332 	linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
333 
334 	/* extract the fractional part of volume step */
335 	f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
336 
337 	/* if volume step is an odd multiple of 0.5 dB */
338 	if (f_step == VOL_HALF_DB_STEP && (value & 1))
339 		linear_gain = vol_shift_64((u64)linear_gain *
340 						  VOL_FORTIETH_ROOT_OF_TEN,
341 						  VOLUME_FWL);
342 
343 	return linear_gain;
344 }
345 
346 /*
347  * Set up volume table for kcontrols from tlv data
348  * "size" specifies the number of entries in the table
349  */
350 static int set_up_volume_table(struct snd_sof_control *scontrol,
351 			       int tlv[TLV_ITEMS], int size)
352 {
353 	int j;
354 
355 	/* init the volume table */
356 	scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
357 	if (!scontrol->volume_table)
358 		return -ENOMEM;
359 
360 	/* populate the volume table */
361 	for (j = 0; j < size ; j++)
362 		scontrol->volume_table[j] = vol_compute_gain(j, tlv);
363 
364 	return 0;
365 }
366 
367 struct sof_dai_types {
368 	const char *name;
369 	enum sof_ipc_dai_type type;
370 };
371 
372 static const struct sof_dai_types sof_dais[] = {
373 	{"SSP", SOF_DAI_INTEL_SSP},
374 	{"HDA", SOF_DAI_INTEL_HDA},
375 	{"DMIC", SOF_DAI_INTEL_DMIC},
376 	{"ALH", SOF_DAI_INTEL_ALH},
377 	{"SAI", SOF_DAI_IMX_SAI},
378 	{"ESAI", SOF_DAI_IMX_ESAI},
379 };
380 
381 static enum sof_ipc_dai_type find_dai(const char *name)
382 {
383 	int i;
384 
385 	for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
386 		if (strcmp(name, sof_dais[i].name) == 0)
387 			return sof_dais[i].type;
388 	}
389 
390 	return SOF_DAI_INTEL_NONE;
391 }
392 
393 /*
394  * Supported Frame format types and lookup, add new ones to end of list.
395  */
396 
397 struct sof_frame_types {
398 	const char *name;
399 	enum sof_ipc_frame frame;
400 };
401 
402 static const struct sof_frame_types sof_frames[] = {
403 	{"s16le", SOF_IPC_FRAME_S16_LE},
404 	{"s24le", SOF_IPC_FRAME_S24_4LE},
405 	{"s32le", SOF_IPC_FRAME_S32_LE},
406 	{"float", SOF_IPC_FRAME_FLOAT},
407 };
408 
409 static enum sof_ipc_frame find_format(const char *name)
410 {
411 	int i;
412 
413 	for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
414 		if (strcmp(name, sof_frames[i].name) == 0)
415 			return sof_frames[i].frame;
416 	}
417 
418 	/* use s32le if nothing is specified */
419 	return SOF_IPC_FRAME_S32_LE;
420 }
421 
422 struct sof_process_types {
423 	const char *name;
424 	enum sof_ipc_process_type type;
425 	enum sof_comp_type comp_type;
426 };
427 
428 static const struct sof_process_types sof_process[] = {
429 	{"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
430 	{"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
431 	{"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
432 	{"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
433 	{"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
434 	{"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
435 	{"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
436 	{"DCBLOCK", SOF_PROCESS_DCBLOCK, SOF_COMP_DCBLOCK},
437 	{"SMART_AMP", SOF_PROCESS_SMART_AMP, SOF_COMP_SMART_AMP},
438 };
439 
440 static enum sof_ipc_process_type find_process(const char *name)
441 {
442 	int i;
443 
444 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
445 		if (strcmp(name, sof_process[i].name) == 0)
446 			return sof_process[i].type;
447 	}
448 
449 	return SOF_PROCESS_NONE;
450 }
451 
452 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
453 {
454 	int i;
455 
456 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
457 		if (sof_process[i].type == type)
458 			return sof_process[i].comp_type;
459 	}
460 
461 	return SOF_COMP_NONE;
462 }
463 
464 /*
465  * Topology Token Parsing.
466  * New tokens should be added to headers and parsing tables below.
467  */
468 
469 struct sof_topology_token {
470 	u32 token;
471 	u32 type;
472 	int (*get_token)(void *elem, void *object, u32 offset, u32 size);
473 	u32 offset;
474 	u32 size;
475 };
476 
477 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
478 {
479 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
480 	u32 *val = (u32 *)((u8 *)object + offset);
481 
482 	*val = le32_to_cpu(velem->value);
483 	return 0;
484 }
485 
486 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
487 {
488 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
489 	u16 *val = (u16 *)((u8 *)object + offset);
490 
491 	*val = (u16)le32_to_cpu(velem->value);
492 	return 0;
493 }
494 
495 static int get_token_uuid(void *elem, void *object, u32 offset, u32 size)
496 {
497 	struct snd_soc_tplg_vendor_uuid_elem *velem = elem;
498 	u8 *dst = (u8 *)object + offset;
499 
500 	memcpy(dst, velem->uuid, UUID_SIZE);
501 
502 	return 0;
503 }
504 
505 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
506 {
507 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
508 	u32 *val = (u32 *)((u8 *)object + offset);
509 
510 	*val = find_format(velem->string);
511 	return 0;
512 }
513 
514 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
515 {
516 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
517 	u32 *val = (u32 *)((u8 *)object + offset);
518 
519 	*val = find_dai(velem->string);
520 	return 0;
521 }
522 
523 static int get_token_process_type(void *elem, void *object, u32 offset,
524 				  u32 size)
525 {
526 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
527 	u32 *val = (u32 *)((u8 *)object + offset);
528 
529 	*val = find_process(velem->string);
530 	return 0;
531 }
532 
533 /* Buffers */
534 static const struct sof_topology_token buffer_tokens[] = {
535 	{SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
536 		offsetof(struct sof_ipc_buffer, size), 0},
537 	{SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
538 		offsetof(struct sof_ipc_buffer, caps), 0},
539 };
540 
541 /* DAI */
542 static const struct sof_topology_token dai_tokens[] = {
543 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
544 		offsetof(struct sof_ipc_comp_dai, type), 0},
545 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
546 		offsetof(struct sof_ipc_comp_dai, dai_index), 0},
547 	{SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
548 		offsetof(struct sof_ipc_comp_dai, direction), 0},
549 };
550 
551 /* BE DAI link */
552 static const struct sof_topology_token dai_link_tokens[] = {
553 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
554 		offsetof(struct sof_ipc_dai_config, type), 0},
555 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
556 		offsetof(struct sof_ipc_dai_config, dai_index), 0},
557 };
558 
559 /* scheduling */
560 static const struct sof_topology_token sched_tokens[] = {
561 	{SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
562 		offsetof(struct sof_ipc_pipe_new, period), 0},
563 	{SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
564 		offsetof(struct sof_ipc_pipe_new, priority), 0},
565 	{SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
566 		offsetof(struct sof_ipc_pipe_new, period_mips), 0},
567 	{SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
568 		offsetof(struct sof_ipc_pipe_new, core), 0},
569 	{SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
570 		offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
571 	{SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
572 		offsetof(struct sof_ipc_pipe_new, time_domain), 0},
573 };
574 
575 /* volume */
576 static const struct sof_topology_token volume_tokens[] = {
577 	{SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
578 		get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
579 	{SOF_TKN_VOLUME_RAMP_STEP_MS,
580 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
581 		offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
582 };
583 
584 /* SRC */
585 static const struct sof_topology_token src_tokens[] = {
586 	{SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
587 		offsetof(struct sof_ipc_comp_src, source_rate), 0},
588 	{SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
589 		offsetof(struct sof_ipc_comp_src, sink_rate), 0},
590 };
591 
592 /* ASRC */
593 static const struct sof_topology_token asrc_tokens[] = {
594 	{SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
595 		offsetof(struct sof_ipc_comp_asrc, source_rate), 0},
596 	{SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
597 		offsetof(struct sof_ipc_comp_asrc, sink_rate), 0},
598 	{SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
599 		get_token_u32,
600 		offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0},
601 	{SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
602 		get_token_u32,
603 		offsetof(struct sof_ipc_comp_asrc, operation_mode), 0},
604 };
605 
606 /* Tone */
607 static const struct sof_topology_token tone_tokens[] = {
608 };
609 
610 /* EFFECT */
611 static const struct sof_topology_token process_tokens[] = {
612 	{SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
613 		get_token_process_type,
614 		offsetof(struct sof_ipc_comp_process, type), 0},
615 };
616 
617 /* PCM */
618 static const struct sof_topology_token pcm_tokens[] = {
619 	{SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
620 		offsetof(struct sof_ipc_comp_host, dmac_config), 0},
621 };
622 
623 /* PCM */
624 static const struct sof_topology_token stream_tokens[] = {
625 	{SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3,
626 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
627 		offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible), 0},
628 	{SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3,
629 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
630 		offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible), 0},
631 };
632 
633 /* Generic components */
634 static const struct sof_topology_token comp_tokens[] = {
635 	{SOF_TKN_COMP_PERIOD_SINK_COUNT,
636 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
637 		offsetof(struct sof_ipc_comp_config, periods_sink), 0},
638 	{SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
639 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
640 		offsetof(struct sof_ipc_comp_config, periods_source), 0},
641 	{SOF_TKN_COMP_FORMAT,
642 		SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
643 		offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
644 };
645 
646 /* SSP */
647 static const struct sof_topology_token ssp_tokens[] = {
648 	{SOF_TKN_INTEL_SSP_CLKS_CONTROL,
649 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
650 		offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
651 	{SOF_TKN_INTEL_SSP_MCLK_ID,
652 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
653 		offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
654 	{SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
655 		get_token_u32,
656 		offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
657 	{SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
658 		get_token_u16,
659 		offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
660 	{SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
661 		get_token_u32,
662 		offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
663 	{SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
664 		get_token_u16,
665 		offsetof(struct sof_ipc_dai_ssp_params,
666 			 tdm_per_slot_padding_flag), 0},
667 	{SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
668 		get_token_u32,
669 		offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},
670 
671 };
672 
673 /* ALH */
674 static const struct sof_topology_token alh_tokens[] = {
675 	{SOF_TKN_INTEL_ALH_RATE,
676 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
677 		offsetof(struct sof_ipc_dai_alh_params, rate), 0},
678 	{SOF_TKN_INTEL_ALH_CH,
679 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
680 		offsetof(struct sof_ipc_dai_alh_params, channels), 0},
681 };
682 
683 /* DMIC */
684 static const struct sof_topology_token dmic_tokens[] = {
685 	{SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
686 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
687 		offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
688 		0},
689 	{SOF_TKN_INTEL_DMIC_CLK_MIN,
690 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
691 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
692 	{SOF_TKN_INTEL_DMIC_CLK_MAX,
693 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
694 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
695 	{SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
696 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
697 		offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
698 	{SOF_TKN_INTEL_DMIC_DUTY_MIN,
699 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
700 		offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
701 	{SOF_TKN_INTEL_DMIC_DUTY_MAX,
702 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
703 		offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
704 	{SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
705 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
706 		offsetof(struct sof_ipc_dai_dmic_params,
707 			 num_pdm_active), 0},
708 	{SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
709 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
710 		offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
711 	{SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
712 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
713 		offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
714 
715 };
716 
717 /* ESAI */
718 static const struct sof_topology_token esai_tokens[] = {
719 	{SOF_TKN_IMX_ESAI_MCLK_ID,
720 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
721 		offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0},
722 };
723 
724 /* SAI */
725 static const struct sof_topology_token sai_tokens[] = {
726 	{SOF_TKN_IMX_SAI_MCLK_ID,
727 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
728 		offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0},
729 };
730 
731 /* Core tokens */
732 static const struct sof_topology_token core_tokens[] = {
733 	{SOF_TKN_COMP_CORE_ID,
734 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
735 		offsetof(struct sof_ipc_comp, core), 0},
736 };
737 
738 /* Component extended tokens */
739 static const struct sof_topology_token comp_ext_tokens[] = {
740 	{SOF_TKN_COMP_UUID,
741 		SND_SOC_TPLG_TUPLE_TYPE_UUID, get_token_uuid,
742 		offsetof(struct sof_ipc_comp_ext, uuid), 0},
743 };
744 
745 /*
746  * DMIC PDM Tokens
747  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
748  * as it increments the index while parsing the array of pdm tokens
749  * and determines the correct offset
750  */
751 static const struct sof_topology_token dmic_pdm_tokens[] = {
752 	{SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
753 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
754 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
755 		0},
756 	{SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
757 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
758 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
759 		0},
760 	{SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
761 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
762 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
763 		0},
764 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
765 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
766 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
767 		0},
768 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
769 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
770 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
771 		0},
772 	{SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
773 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
774 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
775 		0},
776 	{SOF_TKN_INTEL_DMIC_PDM_SKEW,
777 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
778 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
779 		0},
780 };
781 
782 /* HDA */
783 static const struct sof_topology_token hda_tokens[] = {
784 	{SOF_TKN_INTEL_HDA_RATE,
785 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
786 		offsetof(struct sof_ipc_dai_hda_params, rate), 0},
787 	{SOF_TKN_INTEL_HDA_CH,
788 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
789 		offsetof(struct sof_ipc_dai_hda_params, channels), 0},
790 };
791 
792 /* Leds */
793 static const struct sof_topology_token led_tokens[] = {
794 	{SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
795 	 offsetof(struct snd_sof_led_control, use_led), 0},
796 	{SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD,
797 	 get_token_u32, offsetof(struct snd_sof_led_control, direction), 0},
798 };
799 
800 static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,
801 				 void *object,
802 				 const struct sof_topology_token *tokens,
803 				 int count,
804 				 struct snd_soc_tplg_vendor_array *array,
805 				 size_t offset)
806 {
807 	struct snd_soc_tplg_vendor_uuid_elem *elem;
808 	int found = 0;
809 	int i, j;
810 
811 	/* parse element by element */
812 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
813 		elem = &array->uuid[i];
814 
815 		/* search for token */
816 		for (j = 0; j < count; j++) {
817 			/* match token type */
818 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
819 				continue;
820 
821 			/* match token id */
822 			if (tokens[j].token != le32_to_cpu(elem->token))
823 				continue;
824 
825 			/* matched - now load token */
826 			tokens[j].get_token(elem, object,
827 					    offset + tokens[j].offset,
828 					    tokens[j].size);
829 
830 			found++;
831 		}
832 	}
833 
834 	return found;
835 }
836 
837 static int sof_parse_string_tokens(struct snd_soc_component *scomp,
838 				   void *object,
839 				   const struct sof_topology_token *tokens,
840 				   int count,
841 				   struct snd_soc_tplg_vendor_array *array,
842 				   size_t offset)
843 {
844 	struct snd_soc_tplg_vendor_string_elem *elem;
845 	int found = 0;
846 	int i, j;
847 
848 	/* parse element by element */
849 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
850 		elem = &array->string[i];
851 
852 		/* search for token */
853 		for (j = 0; j < count; j++) {
854 			/* match token type */
855 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
856 				continue;
857 
858 			/* match token id */
859 			if (tokens[j].token != le32_to_cpu(elem->token))
860 				continue;
861 
862 			/* matched - now load token */
863 			tokens[j].get_token(elem, object,
864 					    offset + tokens[j].offset,
865 					    tokens[j].size);
866 
867 			found++;
868 		}
869 	}
870 
871 	return found;
872 }
873 
874 static int sof_parse_word_tokens(struct snd_soc_component *scomp,
875 				 void *object,
876 				 const struct sof_topology_token *tokens,
877 				 int count,
878 				 struct snd_soc_tplg_vendor_array *array,
879 				 size_t offset)
880 {
881 	struct snd_soc_tplg_vendor_value_elem *elem;
882 	int found = 0;
883 	int i, j;
884 
885 	/* parse element by element */
886 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
887 		elem = &array->value[i];
888 
889 		/* search for token */
890 		for (j = 0; j < count; j++) {
891 			/* match token type */
892 			if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
893 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
894 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
895 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
896 				continue;
897 
898 			/* match token id */
899 			if (tokens[j].token != le32_to_cpu(elem->token))
900 				continue;
901 
902 			/* load token */
903 			tokens[j].get_token(elem, object,
904 					    offset + tokens[j].offset,
905 					    tokens[j].size);
906 
907 			found++;
908 		}
909 	}
910 
911 	return found;
912 }
913 
914 /**
915  * sof_parse_token_sets - Parse multiple sets of tokens
916  * @scomp: pointer to soc component
917  * @object: target ipc struct for parsed values
918  * @tokens: token definition array describing what tokens to parse
919  * @count: number of tokens in definition array
920  * @array: source pointer to consecutive vendor arrays to be parsed
921  * @priv_size: total size of the consecutive source arrays
922  * @sets: number of similar token sets to be parsed, 1 set has count elements
923  * @object_size: offset to next target ipc struct with multiple sets
924  *
925  * This function parses multiple sets of tokens in vendor arrays into
926  * consecutive ipc structs.
927  */
928 static int sof_parse_token_sets(struct snd_soc_component *scomp,
929 				void *object,
930 				const struct sof_topology_token *tokens,
931 				int count,
932 				struct snd_soc_tplg_vendor_array *array,
933 				int priv_size, int sets, size_t object_size)
934 {
935 	size_t offset = 0;
936 	int found = 0;
937 	int total = 0;
938 	int asize;
939 
940 	while (priv_size > 0 && total < count * sets) {
941 		asize = le32_to_cpu(array->size);
942 
943 		/* validate asize */
944 		if (asize < 0) { /* FIXME: A zero-size array makes no sense */
945 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
946 				asize);
947 			return -EINVAL;
948 		}
949 
950 		/* make sure there is enough data before parsing */
951 		priv_size -= asize;
952 		if (priv_size < 0) {
953 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
954 				asize);
955 			return -EINVAL;
956 		}
957 
958 		/* call correct parser depending on type */
959 		switch (le32_to_cpu(array->type)) {
960 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
961 			found += sof_parse_uuid_tokens(scomp, object, tokens,
962 						       count, array, offset);
963 			break;
964 		case SND_SOC_TPLG_TUPLE_TYPE_STRING:
965 			found += sof_parse_string_tokens(scomp, object, tokens,
966 							 count, array, offset);
967 			break;
968 		case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
969 		case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
970 		case SND_SOC_TPLG_TUPLE_TYPE_WORD:
971 		case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
972 			found += sof_parse_word_tokens(scomp, object, tokens,
973 						       count, array, offset);
974 			break;
975 		default:
976 			dev_err(scomp->dev, "error: unknown token type %d\n",
977 				array->type);
978 			return -EINVAL;
979 		}
980 
981 		/* next array */
982 		array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
983 			+ asize);
984 
985 		/* move to next target struct */
986 		if (found >= count) {
987 			offset += object_size;
988 			total += found;
989 			found = 0;
990 		}
991 	}
992 
993 	return 0;
994 }
995 
996 static int sof_parse_tokens(struct snd_soc_component *scomp,
997 			    void *object,
998 			    const struct sof_topology_token *tokens,
999 			    int count,
1000 			    struct snd_soc_tplg_vendor_array *array,
1001 			    int priv_size)
1002 {
1003 	/*
1004 	 * sof_parse_tokens is used when topology contains only a single set of
1005 	 * identical tuples arrays. So additional parameters to
1006 	 * sof_parse_token_sets are sets = 1 (only 1 set) and
1007 	 * object_size = 0 (irrelevant).
1008 	 */
1009 	return sof_parse_token_sets(scomp, object, tokens, count, array,
1010 				    priv_size, 1, 0);
1011 }
1012 
1013 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
1014 				struct sof_ipc_comp_config *config)
1015 {
1016 	dev_dbg(scomp->dev, " config: periods snk %d src %d fmt %d\n",
1017 		config->periods_sink, config->periods_source,
1018 		config->frame_fmt);
1019 }
1020 
1021 /*
1022  * Standard Kcontrols.
1023  */
1024 
1025 static int sof_control_load_volume(struct snd_soc_component *scomp,
1026 				   struct snd_sof_control *scontrol,
1027 				   struct snd_kcontrol_new *kc,
1028 				   struct snd_soc_tplg_ctl_hdr *hdr)
1029 {
1030 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1031 	struct snd_soc_tplg_mixer_control *mc =
1032 		container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
1033 	struct sof_ipc_ctrl_data *cdata;
1034 	int tlv[TLV_ITEMS];
1035 	unsigned int i;
1036 	int ret;
1037 
1038 	/* validate topology data */
1039 	if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) {
1040 		ret = -EINVAL;
1041 		goto out;
1042 	}
1043 
1044 	/*
1045 	 * If control has more than 2 channels we need to override the info. This is because even if
1046 	 * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the
1047 	 * pre-defined dapm control types (and related functions) creating the actual control
1048 	 * restrict the channels only to mono or stereo.
1049 	 */
1050 	if (le32_to_cpu(mc->num_channels) > 2)
1051 		kc->info = snd_sof_volume_info;
1052 
1053 	/* init the volume get/put data */
1054 	scontrol->size = struct_size(scontrol->control_data, chanv,
1055 				     le32_to_cpu(mc->num_channels));
1056 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1057 	if (!scontrol->control_data) {
1058 		ret = -ENOMEM;
1059 		goto out;
1060 	}
1061 
1062 	scontrol->comp_id = sdev->next_comp_id;
1063 	scontrol->min_volume_step = le32_to_cpu(mc->min);
1064 	scontrol->max_volume_step = le32_to_cpu(mc->max);
1065 	scontrol->num_channels = le32_to_cpu(mc->num_channels);
1066 
1067 	/* set cmd for mixer control */
1068 	if (le32_to_cpu(mc->max) == 1) {
1069 		scontrol->cmd = SOF_CTRL_CMD_SWITCH;
1070 		goto skip;
1071 	}
1072 
1073 	scontrol->cmd = SOF_CTRL_CMD_VOLUME;
1074 
1075 	/* extract tlv data */
1076 	if (get_tlv_data(kc->tlv.p, tlv) < 0) {
1077 		dev_err(scomp->dev, "error: invalid TLV data\n");
1078 		ret = -EINVAL;
1079 		goto out_free;
1080 	}
1081 
1082 	/* set up volume table */
1083 	ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
1084 	if (ret < 0) {
1085 		dev_err(scomp->dev, "error: setting up volume table\n");
1086 		goto out_free;
1087 	}
1088 
1089 	/* set default volume values to 0dB in control */
1090 	cdata = scontrol->control_data;
1091 	for (i = 0; i < scontrol->num_channels; i++) {
1092 		cdata->chanv[i].channel = i;
1093 		cdata->chanv[i].value = VOL_ZERO_DB;
1094 	}
1095 
1096 skip:
1097 	/* set up possible led control from mixer private data */
1098 	ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
1099 			       ARRAY_SIZE(led_tokens), mc->priv.array,
1100 			       le32_to_cpu(mc->priv.size));
1101 	if (ret != 0) {
1102 		dev_err(scomp->dev, "error: parse led tokens failed %d\n",
1103 			le32_to_cpu(mc->priv.size));
1104 		goto out_free_table;
1105 	}
1106 
1107 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1108 		scontrol->comp_id, scontrol->num_channels);
1109 
1110 	return 0;
1111 
1112 out_free_table:
1113 	if (le32_to_cpu(mc->max) > 1)
1114 		kfree(scontrol->volume_table);
1115 out_free:
1116 	kfree(scontrol->control_data);
1117 out:
1118 	return ret;
1119 }
1120 
1121 static int sof_control_load_enum(struct snd_soc_component *scomp,
1122 				 struct snd_sof_control *scontrol,
1123 				 struct snd_kcontrol_new *kc,
1124 				 struct snd_soc_tplg_ctl_hdr *hdr)
1125 {
1126 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1127 	struct snd_soc_tplg_enum_control *ec =
1128 		container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
1129 
1130 	/* validate topology data */
1131 	if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
1132 		return -EINVAL;
1133 
1134 	/* init the enum get/put data */
1135 	scontrol->size = struct_size(scontrol->control_data, chanv,
1136 				     le32_to_cpu(ec->num_channels));
1137 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1138 	if (!scontrol->control_data)
1139 		return -ENOMEM;
1140 
1141 	scontrol->comp_id = sdev->next_comp_id;
1142 	scontrol->num_channels = le32_to_cpu(ec->num_channels);
1143 
1144 	scontrol->cmd = SOF_CTRL_CMD_ENUM;
1145 
1146 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
1147 		scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
1148 
1149 	return 0;
1150 }
1151 
1152 static int sof_control_load_bytes(struct snd_soc_component *scomp,
1153 				  struct snd_sof_control *scontrol,
1154 				  struct snd_kcontrol_new *kc,
1155 				  struct snd_soc_tplg_ctl_hdr *hdr)
1156 {
1157 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1158 	struct sof_ipc_ctrl_data *cdata;
1159 	struct snd_soc_tplg_bytes_control *control =
1160 		container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
1161 	struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
1162 	size_t max_size = sbe->max;
1163 	size_t priv_size = le32_to_cpu(control->priv.size);
1164 	int ret;
1165 
1166 	if (max_size < sizeof(struct sof_ipc_ctrl_data) ||
1167 	    max_size < sizeof(struct sof_abi_hdr)) {
1168 		ret = -EINVAL;
1169 		goto out;
1170 	}
1171 
1172 	/* init the get/put bytes data */
1173 	if (priv_size > max_size - sizeof(struct sof_ipc_ctrl_data)) {
1174 		dev_err(scomp->dev, "err: bytes data size %zu exceeds max %zu.\n",
1175 			priv_size, max_size - sizeof(struct sof_ipc_ctrl_data));
1176 		ret = -EINVAL;
1177 		goto out;
1178 	}
1179 
1180 	scontrol->size = sizeof(struct sof_ipc_ctrl_data) + priv_size;
1181 
1182 	scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
1183 	cdata = scontrol->control_data;
1184 	if (!scontrol->control_data) {
1185 		ret = -ENOMEM;
1186 		goto out;
1187 	}
1188 
1189 	scontrol->comp_id = sdev->next_comp_id;
1190 	scontrol->cmd = SOF_CTRL_CMD_BINARY;
1191 
1192 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1193 		scontrol->comp_id, scontrol->num_channels);
1194 
1195 	if (le32_to_cpu(control->priv.size) > 0) {
1196 		memcpy(cdata->data, control->priv.data,
1197 		       le32_to_cpu(control->priv.size));
1198 
1199 		if (cdata->data->magic != SOF_ABI_MAGIC) {
1200 			dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n",
1201 				cdata->data->magic);
1202 			ret = -EINVAL;
1203 			goto out_free;
1204 		}
1205 		if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
1206 						 cdata->data->abi)) {
1207 			dev_err(scomp->dev,
1208 				"error: Incompatible ABI version 0x%08x.\n",
1209 				cdata->data->abi);
1210 			ret = -EINVAL;
1211 			goto out_free;
1212 		}
1213 		if (cdata->data->size + sizeof(struct sof_abi_hdr) !=
1214 		    le32_to_cpu(control->priv.size)) {
1215 			dev_err(scomp->dev,
1216 				"error: Conflict in bytes vs. priv size.\n");
1217 			ret = -EINVAL;
1218 			goto out_free;
1219 		}
1220 	}
1221 
1222 	return 0;
1223 
1224 out_free:
1225 	kfree(scontrol->control_data);
1226 out:
1227 	return ret;
1228 }
1229 
1230 /* external kcontrol init - used for any driver specific init */
1231 static int sof_control_load(struct snd_soc_component *scomp, int index,
1232 			    struct snd_kcontrol_new *kc,
1233 			    struct snd_soc_tplg_ctl_hdr *hdr)
1234 {
1235 	struct soc_mixer_control *sm;
1236 	struct soc_bytes_ext *sbe;
1237 	struct soc_enum *se;
1238 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1239 	struct snd_soc_dobj *dobj;
1240 	struct snd_sof_control *scontrol;
1241 	int ret;
1242 
1243 	dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
1244 		hdr->type, hdr->name);
1245 
1246 	scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1247 	if (!scontrol)
1248 		return -ENOMEM;
1249 
1250 	scontrol->scomp = scomp;
1251 
1252 	switch (le32_to_cpu(hdr->ops.info)) {
1253 	case SND_SOC_TPLG_CTL_VOLSW:
1254 	case SND_SOC_TPLG_CTL_VOLSW_SX:
1255 	case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1256 		sm = (struct soc_mixer_control *)kc->private_value;
1257 		dobj = &sm->dobj;
1258 		ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1259 		break;
1260 	case SND_SOC_TPLG_CTL_BYTES:
1261 		sbe = (struct soc_bytes_ext *)kc->private_value;
1262 		dobj = &sbe->dobj;
1263 		ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1264 		break;
1265 	case SND_SOC_TPLG_CTL_ENUM:
1266 	case SND_SOC_TPLG_CTL_ENUM_VALUE:
1267 		se = (struct soc_enum *)kc->private_value;
1268 		dobj = &se->dobj;
1269 		ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1270 		break;
1271 	case SND_SOC_TPLG_CTL_RANGE:
1272 	case SND_SOC_TPLG_CTL_STROBE:
1273 	case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1274 	case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1275 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1276 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1277 	case SND_SOC_TPLG_DAPM_CTL_PIN:
1278 	default:
1279 		dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
1280 			 hdr->ops.get, hdr->ops.put, hdr->ops.info);
1281 		kfree(scontrol);
1282 		return 0;
1283 	}
1284 
1285 	if (ret < 0) {
1286 		kfree(scontrol);
1287 		return ret;
1288 	}
1289 
1290 	scontrol->led_ctl.led_value = -1;
1291 
1292 	dobj->private = scontrol;
1293 	list_add(&scontrol->list, &sdev->kcontrol_list);
1294 	return 0;
1295 }
1296 
1297 static int sof_control_unload(struct snd_soc_component *scomp,
1298 			      struct snd_soc_dobj *dobj)
1299 {
1300 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1301 	struct sof_ipc_free fcomp;
1302 	struct snd_sof_control *scontrol = dobj->private;
1303 
1304 	dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name);
1305 
1306 	fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1307 	fcomp.hdr.size = sizeof(fcomp);
1308 	fcomp.id = scontrol->comp_id;
1309 
1310 	kfree(scontrol->control_data);
1311 	list_del(&scontrol->list);
1312 	kfree(scontrol);
1313 	/* send IPC to the DSP */
1314 	return sof_ipc_tx_message(sdev->ipc,
1315 				  fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1316 				  NULL, 0);
1317 }
1318 
1319 /*
1320  * DAI Topology
1321  */
1322 
1323 /* Static DSP core power management so far, should be extended in the future */
1324 static int sof_core_enable(struct snd_sof_dev *sdev, int core)
1325 {
1326 	struct sof_ipc_pm_core_config pm_core_config = {
1327 		.hdr = {
1328 			.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE,
1329 			.size = sizeof(pm_core_config),
1330 		},
1331 		.enable_mask = sdev->enabled_cores_mask | BIT(core),
1332 	};
1333 	int ret;
1334 
1335 	if (sdev->enabled_cores_mask & BIT(core))
1336 		return 0;
1337 
1338 	/* power up the core if it is host managed */
1339 	ret = snd_sof_dsp_core_power_up(sdev, BIT(core));
1340 	if (ret < 0) {
1341 		dev_err(sdev->dev, "error: %d powering up core %d\n",
1342 			ret, core);
1343 		return ret;
1344 	}
1345 
1346 	/* Now notify DSP */
1347 	ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1348 				 &pm_core_config, sizeof(pm_core_config),
1349 				 &pm_core_config, sizeof(pm_core_config));
1350 	if (ret < 0) {
1351 		dev_err(sdev->dev, "error: core %d enable ipc failure %d\n",
1352 			core, ret);
1353 		goto err;
1354 	}
1355 
1356 	/* update enabled cores mask */
1357 	sdev->enabled_cores_mask |= BIT(core);
1358 
1359 	return ret;
1360 err:
1361 	/* power down core if it is host managed and return the original error if this fails too */
1362 	if (snd_sof_dsp_core_power_down(sdev, BIT(core)) < 0)
1363 		dev_err(sdev->dev, "error: powering down core %d\n", core);
1364 
1365 	return ret;
1366 }
1367 
1368 int sof_pipeline_core_enable(struct snd_sof_dev *sdev,
1369 			     const struct snd_sof_widget *swidget)
1370 {
1371 	const struct sof_ipc_pipe_new *pipeline;
1372 	int ret;
1373 
1374 	if (swidget->id == snd_soc_dapm_scheduler) {
1375 		pipeline = swidget->private;
1376 	} else {
1377 		pipeline = snd_sof_pipeline_find(sdev, swidget->pipeline_id);
1378 		if (!pipeline)
1379 			return -ENOENT;
1380 	}
1381 
1382 	/* First enable the pipeline core */
1383 	ret = sof_core_enable(sdev, pipeline->core);
1384 	if (ret < 0)
1385 		return ret;
1386 
1387 	return sof_core_enable(sdev, swidget->core);
1388 }
1389 
1390 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1391 				  struct snd_soc_dapm_widget *w,
1392 				  struct snd_soc_tplg_dapm_widget *tw,
1393 				  struct snd_sof_dai *dai)
1394 {
1395 	struct snd_soc_card *card = scomp->card;
1396 	struct snd_soc_pcm_runtime *rtd;
1397 	struct snd_soc_dai *cpu_dai;
1398 	int i;
1399 
1400 	list_for_each_entry(rtd, &card->rtd_list, list) {
1401 		dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1402 			 w->name,  w->sname, rtd->dai_link->stream_name);
1403 
1404 		if (!w->sname || !rtd->dai_link->stream_name)
1405 			continue;
1406 
1407 		/* does stream match DAI link ? */
1408 		if (strcmp(w->sname, rtd->dai_link->stream_name))
1409 			continue;
1410 
1411 		switch (w->id) {
1412 		case snd_soc_dapm_dai_out:
1413 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1414 				/*
1415 				 * Please create DAI widget in the right order
1416 				 * to ensure BE will connect to the right DAI
1417 				 * widget.
1418 				 */
1419 				if (!cpu_dai->capture_widget) {
1420 					cpu_dai->capture_widget = w;
1421 					break;
1422 				}
1423 			}
1424 			if (i == rtd->num_cpus) {
1425 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1426 					w->name);
1427 
1428 				return -EINVAL;
1429 			}
1430 			dai->name = rtd->dai_link->name;
1431 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1432 				w->name, rtd->dai_link->name);
1433 			break;
1434 		case snd_soc_dapm_dai_in:
1435 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1436 				/*
1437 				 * Please create DAI widget in the right order
1438 				 * to ensure BE will connect to the right DAI
1439 				 * widget.
1440 				 */
1441 				if (!cpu_dai->playback_widget) {
1442 					cpu_dai->playback_widget = w;
1443 					break;
1444 				}
1445 			}
1446 			if (i == rtd->num_cpus) {
1447 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1448 					w->name);
1449 
1450 				return -EINVAL;
1451 			}
1452 			dai->name = rtd->dai_link->name;
1453 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1454 				w->name, rtd->dai_link->name);
1455 			break;
1456 		default:
1457 			break;
1458 		}
1459 	}
1460 
1461 	/* check we have a connection */
1462 	if (!dai->name) {
1463 		dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
1464 			w->name, w->sname);
1465 		return -EINVAL;
1466 	}
1467 
1468 	return 0;
1469 }
1470 
1471 /**
1472  * sof_comp_alloc - allocate and initialize buffer for a new component
1473  * @swidget: pointer to struct snd_sof_widget containing extended data
1474  * @ipc_size: IPC payload size that will be updated depending on valid
1475  *  extended data.
1476  * @index: ID of the pipeline the component belongs to
1477  *
1478  * Return: The pointer to the new allocated component, NULL if failed.
1479  */
1480 static struct sof_ipc_comp *sof_comp_alloc(struct snd_sof_widget *swidget,
1481 					   size_t *ipc_size, int index)
1482 {
1483 	u8 nil_uuid[SOF_UUID_SIZE] = {0};
1484 	struct sof_ipc_comp *comp;
1485 	size_t total_size = *ipc_size;
1486 
1487 	/* only non-zero UUID is valid */
1488 	if (memcmp(&swidget->comp_ext, nil_uuid, SOF_UUID_SIZE))
1489 		total_size += sizeof(swidget->comp_ext);
1490 
1491 	comp = kzalloc(total_size, GFP_KERNEL);
1492 	if (!comp)
1493 		return NULL;
1494 
1495 	/* configure comp new IPC message */
1496 	comp->hdr.size = total_size;
1497 	comp->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1498 	comp->id = swidget->comp_id;
1499 	comp->pipeline_id = index;
1500 	comp->core = swidget->core;
1501 
1502 	/* handle the extended data if needed */
1503 	if (total_size > *ipc_size) {
1504 		/* append extended data to the end of the component */
1505 		memcpy((u8 *)comp + *ipc_size, &swidget->comp_ext, sizeof(swidget->comp_ext));
1506 		comp->ext_data_length = sizeof(swidget->comp_ext);
1507 	}
1508 
1509 	/* update ipc_size and return */
1510 	*ipc_size = total_size;
1511 	return comp;
1512 }
1513 
1514 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1515 			       struct snd_sof_widget *swidget,
1516 			       struct snd_soc_tplg_dapm_widget *tw,
1517 			       struct sof_ipc_comp_reply *r,
1518 			       struct snd_sof_dai *dai)
1519 {
1520 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1521 	struct snd_soc_tplg_private *private = &tw->priv;
1522 	struct sof_ipc_comp_dai *comp_dai;
1523 	size_t ipc_size = sizeof(*comp_dai);
1524 	int ret;
1525 
1526 	comp_dai = (struct sof_ipc_comp_dai *)
1527 		   sof_comp_alloc(swidget, &ipc_size, index);
1528 	if (!comp_dai)
1529 		return -ENOMEM;
1530 
1531 	/* configure dai IPC message */
1532 	comp_dai->comp.type = SOF_COMP_DAI;
1533 	comp_dai->config.hdr.size = sizeof(comp_dai->config);
1534 
1535 	ret = sof_parse_tokens(scomp, comp_dai, dai_tokens,
1536 			       ARRAY_SIZE(dai_tokens), private->array,
1537 			       le32_to_cpu(private->size));
1538 	if (ret != 0) {
1539 		dev_err(scomp->dev, "error: parse dai tokens failed %d\n",
1540 			le32_to_cpu(private->size));
1541 		goto finish;
1542 	}
1543 
1544 	ret = sof_parse_tokens(scomp, &comp_dai->config, comp_tokens,
1545 			       ARRAY_SIZE(comp_tokens), private->array,
1546 			       le32_to_cpu(private->size));
1547 	if (ret != 0) {
1548 		dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n",
1549 			private->size);
1550 		goto finish;
1551 	}
1552 
1553 	dev_dbg(scomp->dev, "dai %s: type %d index %d\n",
1554 		swidget->widget->name, comp_dai->type, comp_dai->dai_index);
1555 	sof_dbg_comp_config(scomp, &comp_dai->config);
1556 
1557 	ret = sof_ipc_tx_message(sdev->ipc, comp_dai->comp.hdr.cmd,
1558 				 comp_dai, ipc_size, r, sizeof(*r));
1559 
1560 	if (ret == 0 && dai) {
1561 		dai->scomp = scomp;
1562 
1563 		/*
1564 		 * copy only the sof_ipc_comp_dai to avoid collapsing
1565 		 * the snd_sof_dai, the extended data is kept in the
1566 		 * snd_sof_widget.
1567 		 */
1568 		memcpy(&dai->comp_dai, comp_dai, sizeof(*comp_dai));
1569 	}
1570 
1571 finish:
1572 	kfree(comp_dai);
1573 	return ret;
1574 }
1575 
1576 /*
1577  * Buffer topology
1578  */
1579 
1580 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1581 				  struct snd_sof_widget *swidget,
1582 				  struct snd_soc_tplg_dapm_widget *tw,
1583 				  struct sof_ipc_comp_reply *r)
1584 {
1585 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1586 	struct snd_soc_tplg_private *private = &tw->priv;
1587 	struct sof_ipc_buffer *buffer;
1588 	int ret;
1589 
1590 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1591 	if (!buffer)
1592 		return -ENOMEM;
1593 
1594 	/* configure dai IPC message */
1595 	buffer->comp.hdr.size = sizeof(*buffer);
1596 	buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1597 	buffer->comp.id = swidget->comp_id;
1598 	buffer->comp.type = SOF_COMP_BUFFER;
1599 	buffer->comp.pipeline_id = index;
1600 	buffer->comp.core = swidget->core;
1601 
1602 	ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1603 			       ARRAY_SIZE(buffer_tokens), private->array,
1604 			       le32_to_cpu(private->size));
1605 	if (ret != 0) {
1606 		dev_err(scomp->dev, "error: parse buffer tokens failed %d\n",
1607 			private->size);
1608 		kfree(buffer);
1609 		return ret;
1610 	}
1611 
1612 	dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n",
1613 		swidget->widget->name, buffer->size, buffer->caps);
1614 
1615 	swidget->private = buffer;
1616 
1617 	ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1618 				 sizeof(*buffer), r, sizeof(*r));
1619 	if (ret < 0) {
1620 		dev_err(scomp->dev, "error: buffer %s load failed\n",
1621 			swidget->widget->name);
1622 		kfree(buffer);
1623 	}
1624 
1625 	return ret;
1626 }
1627 
1628 /* bind PCM ID to host component ID */
1629 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
1630 		     int dir)
1631 {
1632 	struct snd_sof_widget *host_widget;
1633 
1634 	host_widget = snd_sof_find_swidget_sname(scomp,
1635 						 spcm->pcm.caps[dir].name,
1636 						 dir);
1637 	if (!host_widget) {
1638 		dev_err(scomp->dev, "can't find host comp to bind pcm\n");
1639 		return -EINVAL;
1640 	}
1641 
1642 	spcm->stream[dir].comp_id = host_widget->comp_id;
1643 
1644 	return 0;
1645 }
1646 
1647 /*
1648  * PCM Topology
1649  */
1650 
1651 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1652 			       struct snd_sof_widget *swidget,
1653 			       enum sof_ipc_stream_direction dir,
1654 			       struct snd_soc_tplg_dapm_widget *tw,
1655 			       struct sof_ipc_comp_reply *r)
1656 {
1657 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1658 	struct snd_soc_tplg_private *private = &tw->priv;
1659 	struct sof_ipc_comp_host *host;
1660 	size_t ipc_size = sizeof(*host);
1661 	int ret;
1662 
1663 	host = (struct sof_ipc_comp_host *)
1664 	       sof_comp_alloc(swidget, &ipc_size, index);
1665 	if (!host)
1666 		return -ENOMEM;
1667 
1668 	/* configure host comp IPC message */
1669 	host->comp.type = SOF_COMP_HOST;
1670 	host->direction = dir;
1671 	host->config.hdr.size = sizeof(host->config);
1672 
1673 	ret = sof_parse_tokens(scomp, host, pcm_tokens,
1674 			       ARRAY_SIZE(pcm_tokens), private->array,
1675 			       le32_to_cpu(private->size));
1676 	if (ret != 0) {
1677 		dev_err(scomp->dev, "error: parse host tokens failed %d\n",
1678 			private->size);
1679 		goto err;
1680 	}
1681 
1682 	ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1683 			       ARRAY_SIZE(comp_tokens), private->array,
1684 			       le32_to_cpu(private->size));
1685 	if (ret != 0) {
1686 		dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n",
1687 			le32_to_cpu(private->size));
1688 		goto err;
1689 	}
1690 
1691 	dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name);
1692 	sof_dbg_comp_config(scomp, &host->config);
1693 
1694 	swidget->private = host;
1695 
1696 	ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1697 				 ipc_size, r, sizeof(*r));
1698 	if (ret >= 0)
1699 		return ret;
1700 err:
1701 	kfree(host);
1702 	return ret;
1703 }
1704 
1705 /*
1706  * Pipeline Topology
1707  */
1708 int sof_load_pipeline_ipc(struct device *dev,
1709 			  struct sof_ipc_pipe_new *pipeline,
1710 			  struct sof_ipc_comp_reply *r)
1711 {
1712 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
1713 	int ret = sof_core_enable(sdev, pipeline->core);
1714 
1715 	if (ret < 0)
1716 		return ret;
1717 
1718 	ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1719 				 sizeof(*pipeline), r, sizeof(*r));
1720 	if (ret < 0)
1721 		dev_err(dev, "error: load pipeline ipc failure\n");
1722 
1723 	return ret;
1724 }
1725 
1726 static int sof_widget_load_pipeline(struct snd_soc_component *scomp, int index,
1727 				    struct snd_sof_widget *swidget,
1728 				    struct snd_soc_tplg_dapm_widget *tw,
1729 				    struct sof_ipc_comp_reply *r)
1730 {
1731 	struct snd_soc_tplg_private *private = &tw->priv;
1732 	struct sof_ipc_pipe_new *pipeline;
1733 	struct snd_sof_widget *comp_swidget;
1734 	int ret;
1735 
1736 	pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1737 	if (!pipeline)
1738 		return -ENOMEM;
1739 
1740 	/* configure dai IPC message */
1741 	pipeline->hdr.size = sizeof(*pipeline);
1742 	pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1743 	pipeline->pipeline_id = index;
1744 	pipeline->comp_id = swidget->comp_id;
1745 
1746 	/* component at start of pipeline is our stream id */
1747 	comp_swidget = snd_sof_find_swidget(scomp, tw->sname);
1748 	if (!comp_swidget) {
1749 		dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n",
1750 			tw->name, tw->sname);
1751 		ret = -EINVAL;
1752 		goto err;
1753 	}
1754 
1755 	pipeline->sched_id = comp_swidget->comp_id;
1756 
1757 	dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1758 		pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1759 
1760 	ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1761 			       ARRAY_SIZE(sched_tokens), private->array,
1762 			       le32_to_cpu(private->size));
1763 	if (ret != 0) {
1764 		dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n",
1765 			private->size);
1766 		goto err;
1767 	}
1768 
1769 	dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1770 		swidget->widget->name, pipeline->period, pipeline->priority,
1771 		pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1772 
1773 	swidget->private = pipeline;
1774 
1775 	/* send ipc's to create pipeline comp and power up schedule core */
1776 	ret = sof_load_pipeline_ipc(scomp->dev, pipeline, r);
1777 	if (ret >= 0)
1778 		return ret;
1779 err:
1780 	kfree(pipeline);
1781 	return ret;
1782 }
1783 
1784 /*
1785  * Mixer topology
1786  */
1787 
1788 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1789 				 struct snd_sof_widget *swidget,
1790 				 struct snd_soc_tplg_dapm_widget *tw,
1791 				 struct sof_ipc_comp_reply *r)
1792 {
1793 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1794 	struct snd_soc_tplg_private *private = &tw->priv;
1795 	struct sof_ipc_comp_mixer *mixer;
1796 	size_t ipc_size = sizeof(*mixer);
1797 	int ret;
1798 
1799 	mixer = (struct sof_ipc_comp_mixer *)
1800 		sof_comp_alloc(swidget, &ipc_size, index);
1801 	if (!mixer)
1802 		return -ENOMEM;
1803 
1804 	/* configure mixer IPC message */
1805 	mixer->comp.type = SOF_COMP_MIXER;
1806 	mixer->config.hdr.size = sizeof(mixer->config);
1807 
1808 	ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1809 			       ARRAY_SIZE(comp_tokens), private->array,
1810 			       le32_to_cpu(private->size));
1811 	if (ret != 0) {
1812 		dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n",
1813 			private->size);
1814 		kfree(mixer);
1815 		return ret;
1816 	}
1817 
1818 	sof_dbg_comp_config(scomp, &mixer->config);
1819 
1820 	swidget->private = mixer;
1821 
1822 	ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1823 				 ipc_size, r, sizeof(*r));
1824 	if (ret < 0)
1825 		kfree(mixer);
1826 
1827 	return ret;
1828 }
1829 
1830 /*
1831  * Mux topology
1832  */
1833 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1834 			       struct snd_sof_widget *swidget,
1835 			       struct snd_soc_tplg_dapm_widget *tw,
1836 			       struct sof_ipc_comp_reply *r)
1837 {
1838 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1839 	struct snd_soc_tplg_private *private = &tw->priv;
1840 	struct sof_ipc_comp_mux *mux;
1841 	size_t ipc_size = sizeof(*mux);
1842 	int ret;
1843 
1844 	mux = (struct sof_ipc_comp_mux *)
1845 	      sof_comp_alloc(swidget, &ipc_size, index);
1846 	if (!mux)
1847 		return -ENOMEM;
1848 
1849 	/* configure mux IPC message */
1850 	mux->comp.type = SOF_COMP_MUX;
1851 	mux->config.hdr.size = sizeof(mux->config);
1852 
1853 	ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1854 			       ARRAY_SIZE(comp_tokens), private->array,
1855 			       le32_to_cpu(private->size));
1856 	if (ret != 0) {
1857 		dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n",
1858 			private->size);
1859 		kfree(mux);
1860 		return ret;
1861 	}
1862 
1863 	sof_dbg_comp_config(scomp, &mux->config);
1864 
1865 	swidget->private = mux;
1866 
1867 	ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1868 				 ipc_size, r, sizeof(*r));
1869 	if (ret < 0)
1870 		kfree(mux);
1871 
1872 	return ret;
1873 }
1874 
1875 /*
1876  * PGA Topology
1877  */
1878 
1879 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1880 			       struct snd_sof_widget *swidget,
1881 			       struct snd_soc_tplg_dapm_widget *tw,
1882 			       struct sof_ipc_comp_reply *r)
1883 {
1884 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1885 	struct snd_soc_tplg_private *private = &tw->priv;
1886 	struct sof_ipc_comp_volume *volume;
1887 	struct snd_sof_control *scontrol;
1888 	size_t ipc_size = sizeof(*volume);
1889 	int min_step;
1890 	int max_step;
1891 	int ret;
1892 
1893 	volume = (struct sof_ipc_comp_volume *)
1894 		 sof_comp_alloc(swidget, &ipc_size, index);
1895 	if (!volume)
1896 		return -ENOMEM;
1897 
1898 	if (!le32_to_cpu(tw->num_kcontrols)) {
1899 		dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n",
1900 			tw->num_kcontrols);
1901 		ret = -EINVAL;
1902 		goto err;
1903 	}
1904 
1905 	/* configure volume IPC message */
1906 	volume->comp.type = SOF_COMP_VOLUME;
1907 	volume->config.hdr.size = sizeof(volume->config);
1908 
1909 	ret = sof_parse_tokens(scomp, volume, volume_tokens,
1910 			       ARRAY_SIZE(volume_tokens), private->array,
1911 			       le32_to_cpu(private->size));
1912 	if (ret != 0) {
1913 		dev_err(scomp->dev, "error: parse volume tokens failed %d\n",
1914 			private->size);
1915 		goto err;
1916 	}
1917 	ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1918 			       ARRAY_SIZE(comp_tokens), private->array,
1919 			       le32_to_cpu(private->size));
1920 	if (ret != 0) {
1921 		dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n",
1922 			le32_to_cpu(private->size));
1923 		goto err;
1924 	}
1925 
1926 	sof_dbg_comp_config(scomp, &volume->config);
1927 
1928 	swidget->private = volume;
1929 
1930 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1931 		if (scontrol->comp_id == swidget->comp_id &&
1932 		    scontrol->volume_table) {
1933 			min_step = scontrol->min_volume_step;
1934 			max_step = scontrol->max_volume_step;
1935 			volume->min_value = scontrol->volume_table[min_step];
1936 			volume->max_value = scontrol->volume_table[max_step];
1937 			volume->channels = scontrol->num_channels;
1938 			break;
1939 		}
1940 	}
1941 
1942 	ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1943 				 ipc_size, r, sizeof(*r));
1944 	if (ret >= 0)
1945 		return ret;
1946 err:
1947 	kfree(volume);
1948 	return ret;
1949 }
1950 
1951 /*
1952  * SRC Topology
1953  */
1954 
1955 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1956 			       struct snd_sof_widget *swidget,
1957 			       struct snd_soc_tplg_dapm_widget *tw,
1958 			       struct sof_ipc_comp_reply *r)
1959 {
1960 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1961 	struct snd_soc_tplg_private *private = &tw->priv;
1962 	struct sof_ipc_comp_src *src;
1963 	size_t ipc_size = sizeof(*src);
1964 	int ret;
1965 
1966 	src = (struct sof_ipc_comp_src *)
1967 	      sof_comp_alloc(swidget, &ipc_size, index);
1968 	if (!src)
1969 		return -ENOMEM;
1970 
1971 	/* configure src IPC message */
1972 	src->comp.type = SOF_COMP_SRC;
1973 	src->config.hdr.size = sizeof(src->config);
1974 
1975 	ret = sof_parse_tokens(scomp, src, src_tokens,
1976 			       ARRAY_SIZE(src_tokens), private->array,
1977 			       le32_to_cpu(private->size));
1978 	if (ret != 0) {
1979 		dev_err(scomp->dev, "error: parse src tokens failed %d\n",
1980 			private->size);
1981 		goto err;
1982 	}
1983 
1984 	ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1985 			       ARRAY_SIZE(comp_tokens), private->array,
1986 			       le32_to_cpu(private->size));
1987 	if (ret != 0) {
1988 		dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n",
1989 			le32_to_cpu(private->size));
1990 		goto err;
1991 	}
1992 
1993 	dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n",
1994 		swidget->widget->name, src->source_rate, src->sink_rate);
1995 	sof_dbg_comp_config(scomp, &src->config);
1996 
1997 	swidget->private = src;
1998 
1999 	ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
2000 				 ipc_size, r, sizeof(*r));
2001 	if (ret >= 0)
2002 		return ret;
2003 err:
2004 	kfree(src);
2005 	return ret;
2006 }
2007 
2008 /*
2009  * ASRC Topology
2010  */
2011 
2012 static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index,
2013 				struct snd_sof_widget *swidget,
2014 				struct snd_soc_tplg_dapm_widget *tw,
2015 				struct sof_ipc_comp_reply *r)
2016 {
2017 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2018 	struct snd_soc_tplg_private *private = &tw->priv;
2019 	struct sof_ipc_comp_asrc *asrc;
2020 	size_t ipc_size = sizeof(*asrc);
2021 	int ret;
2022 
2023 	asrc = (struct sof_ipc_comp_asrc *)
2024 	       sof_comp_alloc(swidget, &ipc_size, index);
2025 	if (!asrc)
2026 		return -ENOMEM;
2027 
2028 	/* configure ASRC IPC message */
2029 	asrc->comp.type = SOF_COMP_ASRC;
2030 	asrc->config.hdr.size = sizeof(asrc->config);
2031 
2032 	ret = sof_parse_tokens(scomp, asrc, asrc_tokens,
2033 			       ARRAY_SIZE(asrc_tokens), private->array,
2034 			       le32_to_cpu(private->size));
2035 	if (ret != 0) {
2036 		dev_err(scomp->dev, "error: parse asrc tokens failed %d\n",
2037 			private->size);
2038 		goto err;
2039 	}
2040 
2041 	ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens,
2042 			       ARRAY_SIZE(comp_tokens), private->array,
2043 			       le32_to_cpu(private->size));
2044 	if (ret != 0) {
2045 		dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n",
2046 			le32_to_cpu(private->size));
2047 		goto err;
2048 	}
2049 
2050 	dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d "
2051 		"asynch %d operation %d\n",
2052 		swidget->widget->name, asrc->source_rate, asrc->sink_rate,
2053 		asrc->asynchronous_mode, asrc->operation_mode);
2054 	sof_dbg_comp_config(scomp, &asrc->config);
2055 
2056 	swidget->private = asrc;
2057 
2058 	ret = sof_ipc_tx_message(sdev->ipc, asrc->comp.hdr.cmd, asrc,
2059 				 ipc_size, r, sizeof(*r));
2060 	if (ret >= 0)
2061 		return ret;
2062 err:
2063 	kfree(asrc);
2064 	return ret;
2065 }
2066 
2067 /*
2068  * Signal Generator Topology
2069  */
2070 
2071 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
2072 				  struct snd_sof_widget *swidget,
2073 				  struct snd_soc_tplg_dapm_widget *tw,
2074 				  struct sof_ipc_comp_reply *r)
2075 {
2076 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2077 	struct snd_soc_tplg_private *private = &tw->priv;
2078 	struct sof_ipc_comp_tone *tone;
2079 	size_t ipc_size = sizeof(*tone);
2080 	int ret;
2081 
2082 	tone = (struct sof_ipc_comp_tone *)
2083 	       sof_comp_alloc(swidget, &ipc_size, index);
2084 	if (!tone)
2085 		return -ENOMEM;
2086 
2087 	/* configure siggen IPC message */
2088 	tone->comp.type = SOF_COMP_TONE;
2089 	tone->config.hdr.size = sizeof(tone->config);
2090 
2091 	ret = sof_parse_tokens(scomp, tone, tone_tokens,
2092 			       ARRAY_SIZE(tone_tokens), private->array,
2093 			       le32_to_cpu(private->size));
2094 	if (ret != 0) {
2095 		dev_err(scomp->dev, "error: parse tone tokens failed %d\n",
2096 			le32_to_cpu(private->size));
2097 		goto err;
2098 	}
2099 
2100 	ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
2101 			       ARRAY_SIZE(comp_tokens), private->array,
2102 			       le32_to_cpu(private->size));
2103 	if (ret != 0) {
2104 		dev_err(scomp->dev, "error: parse tone.cfg tokens failed %d\n",
2105 			le32_to_cpu(private->size));
2106 		goto err;
2107 	}
2108 
2109 	dev_dbg(scomp->dev, "tone %s: frequency %d amplitude %d\n",
2110 		swidget->widget->name, tone->frequency, tone->amplitude);
2111 	sof_dbg_comp_config(scomp, &tone->config);
2112 
2113 	swidget->private = tone;
2114 
2115 	ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
2116 				 ipc_size, r, sizeof(*r));
2117 	if (ret >= 0)
2118 		return ret;
2119 err:
2120 	kfree(tone);
2121 	return ret;
2122 }
2123 
2124 static int sof_get_control_data(struct snd_soc_component *scomp,
2125 				struct snd_soc_dapm_widget *widget,
2126 				struct sof_widget_data *wdata,
2127 				size_t *size)
2128 {
2129 	const struct snd_kcontrol_new *kc;
2130 	struct soc_mixer_control *sm;
2131 	struct soc_bytes_ext *sbe;
2132 	struct soc_enum *se;
2133 	int i;
2134 
2135 	*size = 0;
2136 
2137 	for (i = 0; i < widget->num_kcontrols; i++) {
2138 		kc = &widget->kcontrol_news[i];
2139 
2140 		switch (widget->dobj.widget.kcontrol_type) {
2141 		case SND_SOC_TPLG_TYPE_MIXER:
2142 			sm = (struct soc_mixer_control *)kc->private_value;
2143 			wdata[i].control = sm->dobj.private;
2144 			break;
2145 		case SND_SOC_TPLG_TYPE_BYTES:
2146 			sbe = (struct soc_bytes_ext *)kc->private_value;
2147 			wdata[i].control = sbe->dobj.private;
2148 			break;
2149 		case SND_SOC_TPLG_TYPE_ENUM:
2150 			se = (struct soc_enum *)kc->private_value;
2151 			wdata[i].control = se->dobj.private;
2152 			break;
2153 		default:
2154 			dev_err(scomp->dev, "error: unknown kcontrol type %d in widget %s\n",
2155 				widget->dobj.widget.kcontrol_type,
2156 				widget->name);
2157 			return -EINVAL;
2158 		}
2159 
2160 		if (!wdata[i].control) {
2161 			dev_err(scomp->dev, "error: no scontrol for widget %s\n",
2162 				widget->name);
2163 			return -EINVAL;
2164 		}
2165 
2166 		wdata[i].pdata = wdata[i].control->control_data->data;
2167 		if (!wdata[i].pdata)
2168 			return -EINVAL;
2169 
2170 		/* make sure data is valid - data can be updated at runtime */
2171 		if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
2172 			return -EINVAL;
2173 
2174 		*size += wdata[i].pdata->size;
2175 
2176 		/* get data type */
2177 		switch (wdata[i].control->cmd) {
2178 		case SOF_CTRL_CMD_VOLUME:
2179 		case SOF_CTRL_CMD_ENUM:
2180 		case SOF_CTRL_CMD_SWITCH:
2181 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
2182 			wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
2183 			break;
2184 		case SOF_CTRL_CMD_BINARY:
2185 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
2186 			wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
2187 			break;
2188 		default:
2189 			break;
2190 		}
2191 	}
2192 
2193 	return 0;
2194 }
2195 
2196 static int sof_process_load(struct snd_soc_component *scomp, int index,
2197 			    struct snd_sof_widget *swidget,
2198 			    struct snd_soc_tplg_dapm_widget *tw,
2199 			    struct sof_ipc_comp_reply *r,
2200 			    int type)
2201 {
2202 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2203 	struct snd_soc_dapm_widget *widget = swidget->widget;
2204 	struct snd_soc_tplg_private *private = &tw->priv;
2205 	struct sof_ipc_comp_process *process;
2206 	struct sof_widget_data *wdata = NULL;
2207 	size_t ipc_data_size = 0;
2208 	size_t ipc_size;
2209 	int offset = 0;
2210 	int ret;
2211 	int i;
2212 
2213 	/* allocate struct for widget control data sizes and types */
2214 	if (widget->num_kcontrols) {
2215 		wdata = kcalloc(widget->num_kcontrols,
2216 				sizeof(*wdata),
2217 				GFP_KERNEL);
2218 
2219 		if (!wdata)
2220 			return -ENOMEM;
2221 
2222 		/* get possible component controls and get size of all pdata */
2223 		ret = sof_get_control_data(scomp, widget, wdata,
2224 					   &ipc_data_size);
2225 
2226 		if (ret < 0)
2227 			goto out;
2228 	}
2229 
2230 	ipc_size = sizeof(struct sof_ipc_comp_process) + ipc_data_size;
2231 
2232 	/* we are exceeding max ipc size, config needs to be sent separately */
2233 	if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
2234 		ipc_size -= ipc_data_size;
2235 		ipc_data_size = 0;
2236 	}
2237 
2238 	process = (struct sof_ipc_comp_process *)
2239 		  sof_comp_alloc(swidget, &ipc_size, index);
2240 	if (!process) {
2241 		ret = -ENOMEM;
2242 		goto out;
2243 	}
2244 
2245 	/* configure iir IPC message */
2246 	process->comp.type = type;
2247 	process->config.hdr.size = sizeof(process->config);
2248 
2249 	ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
2250 			       ARRAY_SIZE(comp_tokens), private->array,
2251 			       le32_to_cpu(private->size));
2252 	if (ret != 0) {
2253 		dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n",
2254 			le32_to_cpu(private->size));
2255 		goto err;
2256 	}
2257 
2258 	sof_dbg_comp_config(scomp, &process->config);
2259 
2260 	/*
2261 	 * found private data in control, so copy it.
2262 	 * get possible component controls - get size of all pdata,
2263 	 * then memcpy with headers
2264 	 */
2265 	if (ipc_data_size) {
2266 		for (i = 0; i < widget->num_kcontrols; i++) {
2267 			memcpy(&process->data + offset,
2268 			       wdata[i].pdata->data,
2269 			       wdata[i].pdata->size);
2270 			offset += wdata[i].pdata->size;
2271 		}
2272 	}
2273 
2274 	process->size = ipc_data_size;
2275 	swidget->private = process;
2276 
2277 	ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
2278 				 ipc_size, r, sizeof(*r));
2279 
2280 	if (ret < 0) {
2281 		dev_err(scomp->dev, "error: create process failed\n");
2282 		goto err;
2283 	}
2284 
2285 	/* we sent the data in single message so return */
2286 	if (ipc_data_size)
2287 		goto out;
2288 
2289 	/* send control data with large message supported method */
2290 	for (i = 0; i < widget->num_kcontrols; i++) {
2291 		wdata[i].control->readback_offset = 0;
2292 		ret = snd_sof_ipc_set_get_comp_data(wdata[i].control,
2293 						    wdata[i].ipc_cmd,
2294 						    wdata[i].ctrl_type,
2295 						    wdata[i].control->cmd,
2296 						    true);
2297 		if (ret != 0) {
2298 			dev_err(scomp->dev, "error: send control failed\n");
2299 			break;
2300 		}
2301 	}
2302 
2303 err:
2304 	if (ret < 0)
2305 		kfree(process);
2306 out:
2307 	kfree(wdata);
2308 	return ret;
2309 }
2310 
2311 /*
2312  * Processing Component Topology - can be "effect", "codec", or general
2313  * "processing".
2314  */
2315 
2316 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
2317 				   struct snd_sof_widget *swidget,
2318 				   struct snd_soc_tplg_dapm_widget *tw,
2319 				   struct sof_ipc_comp_reply *r)
2320 {
2321 	struct snd_soc_tplg_private *private = &tw->priv;
2322 	struct sof_ipc_comp_process config;
2323 	int ret;
2324 
2325 	/* check we have some tokens - we need at least process type */
2326 	if (le32_to_cpu(private->size) == 0) {
2327 		dev_err(scomp->dev, "error: process tokens not found\n");
2328 		return -EINVAL;
2329 	}
2330 
2331 	memset(&config, 0, sizeof(config));
2332 	config.comp.core = swidget->core;
2333 
2334 	/* get the process token */
2335 	ret = sof_parse_tokens(scomp, &config, process_tokens,
2336 			       ARRAY_SIZE(process_tokens), private->array,
2337 			       le32_to_cpu(private->size));
2338 	if (ret != 0) {
2339 		dev_err(scomp->dev, "error: parse process tokens failed %d\n",
2340 			le32_to_cpu(private->size));
2341 		return ret;
2342 	}
2343 
2344 	/* now load process specific data and send IPC */
2345 	ret = sof_process_load(scomp, index, swidget, tw, r,
2346 			       find_process_comp_type(config.type));
2347 	if (ret < 0) {
2348 		dev_err(scomp->dev, "error: process loading failed\n");
2349 		return ret;
2350 	}
2351 
2352 	return 0;
2353 }
2354 
2355 static int sof_widget_bind_event(struct snd_soc_component *scomp,
2356 				 struct snd_sof_widget *swidget,
2357 				 u16 event_type)
2358 {
2359 	struct sof_ipc_comp *ipc_comp;
2360 
2361 	/* validate widget event type */
2362 	switch (event_type) {
2363 	case SOF_KEYWORD_DETECT_DAPM_EVENT:
2364 		/* only KEYWORD_DETECT comps should handle this */
2365 		if (swidget->id != snd_soc_dapm_effect)
2366 			break;
2367 
2368 		ipc_comp = swidget->private;
2369 		if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2370 			break;
2371 
2372 		/* bind event to keyword detect comp */
2373 		return snd_soc_tplg_widget_bind_event(swidget->widget,
2374 						      sof_kwd_events,
2375 						      ARRAY_SIZE(sof_kwd_events),
2376 						      event_type);
2377 	default:
2378 		break;
2379 	}
2380 
2381 	dev_err(scomp->dev,
2382 		"error: invalid event type %d for widget %s\n",
2383 		event_type, swidget->widget->name);
2384 	return -EINVAL;
2385 }
2386 
2387 /* external widget init - used for any driver specific init */
2388 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2389 			    struct snd_soc_dapm_widget *w,
2390 			    struct snd_soc_tplg_dapm_widget *tw)
2391 {
2392 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2393 	struct snd_sof_widget *swidget;
2394 	struct snd_sof_dai *dai;
2395 	struct sof_ipc_comp_reply reply;
2396 	struct snd_sof_control *scontrol;
2397 	struct sof_ipc_comp comp = {
2398 		.core = SOF_DSP_PRIMARY_CORE,
2399 	};
2400 	int ret = 0;
2401 
2402 	swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2403 	if (!swidget)
2404 		return -ENOMEM;
2405 
2406 	swidget->scomp = scomp;
2407 	swidget->widget = w;
2408 	swidget->comp_id = sdev->next_comp_id++;
2409 	swidget->complete = 0;
2410 	swidget->id = w->id;
2411 	swidget->pipeline_id = index;
2412 	swidget->private = NULL;
2413 	memset(&reply, 0, sizeof(reply));
2414 
2415 	dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2416 		swidget->comp_id, index, swidget->id, tw->name,
2417 		strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2418 			? tw->sname : "none");
2419 
2420 	ret = sof_parse_tokens(scomp, &comp, core_tokens,
2421 			       ARRAY_SIZE(core_tokens), tw->priv.array,
2422 			       le32_to_cpu(tw->priv.size));
2423 	if (ret != 0) {
2424 		dev_err(scomp->dev, "error: parsing core tokens failed %d\n",
2425 			ret);
2426 		kfree(swidget);
2427 		return ret;
2428 	}
2429 
2430 	swidget->core = comp.core;
2431 
2432 	/* default is primary core, safe to call for already enabled cores */
2433 	ret = sof_core_enable(sdev, comp.core);
2434 	if (ret < 0) {
2435 		dev_err(scomp->dev, "error: enable core: %d\n", ret);
2436 		kfree(swidget);
2437 		return ret;
2438 	}
2439 
2440 	ret = sof_parse_tokens(scomp, &swidget->comp_ext, comp_ext_tokens,
2441 			       ARRAY_SIZE(comp_ext_tokens), tw->priv.array,
2442 			       le32_to_cpu(tw->priv.size));
2443 	if (ret != 0) {
2444 		dev_err(scomp->dev, "error: parsing comp_ext_tokens failed %d\n",
2445 			ret);
2446 		kfree(swidget);
2447 		return ret;
2448 	}
2449 
2450 	/* handle any special case widgets */
2451 	switch (w->id) {
2452 	case snd_soc_dapm_dai_in:
2453 	case snd_soc_dapm_dai_out:
2454 		dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2455 		if (!dai) {
2456 			kfree(swidget);
2457 			return -ENOMEM;
2458 		}
2459 
2460 		ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply, dai);
2461 		if (ret == 0) {
2462 			sof_connect_dai_widget(scomp, w, tw, dai);
2463 			list_add(&dai->list, &sdev->dai_list);
2464 			swidget->private = dai;
2465 		} else {
2466 			kfree(dai);
2467 		}
2468 		break;
2469 	case snd_soc_dapm_mixer:
2470 		ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2471 		break;
2472 	case snd_soc_dapm_pga:
2473 		ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2474 		/* Find scontrol for this pga and set readback offset*/
2475 		list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2476 			if (scontrol->comp_id == swidget->comp_id) {
2477 				scontrol->readback_offset = reply.offset;
2478 				break;
2479 			}
2480 		}
2481 		break;
2482 	case snd_soc_dapm_buffer:
2483 		ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2484 		break;
2485 	case snd_soc_dapm_scheduler:
2486 		ret = sof_widget_load_pipeline(scomp, index, swidget, tw, &reply);
2487 		break;
2488 	case snd_soc_dapm_aif_out:
2489 		ret = sof_widget_load_pcm(scomp, index, swidget,
2490 					  SOF_IPC_STREAM_CAPTURE, tw, &reply);
2491 		break;
2492 	case snd_soc_dapm_aif_in:
2493 		ret = sof_widget_load_pcm(scomp, index, swidget,
2494 					  SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2495 		break;
2496 	case snd_soc_dapm_src:
2497 		ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2498 		break;
2499 	case snd_soc_dapm_asrc:
2500 		ret = sof_widget_load_asrc(scomp, index, swidget, tw, &reply);
2501 		break;
2502 	case snd_soc_dapm_siggen:
2503 		ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2504 		break;
2505 	case snd_soc_dapm_effect:
2506 		ret = sof_widget_load_process(scomp, index, swidget, tw, &reply);
2507 		break;
2508 	case snd_soc_dapm_mux:
2509 	case snd_soc_dapm_demux:
2510 		ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2511 		break;
2512 	case snd_soc_dapm_switch:
2513 	case snd_soc_dapm_dai_link:
2514 	case snd_soc_dapm_kcontrol:
2515 	default:
2516 		dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name);
2517 		break;
2518 	}
2519 
2520 	/* check IPC reply */
2521 	if (ret < 0 || reply.rhdr.error < 0) {
2522 		dev_err(scomp->dev,
2523 			"error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2524 			tw->shift, swidget->id, tw->name,
2525 			strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2526 				? tw->sname : "none", reply.rhdr.error);
2527 		kfree(swidget);
2528 		return ret;
2529 	}
2530 
2531 	/* bind widget to external event */
2532 	if (tw->event_type) {
2533 		ret = sof_widget_bind_event(scomp, swidget,
2534 					    le16_to_cpu(tw->event_type));
2535 		if (ret) {
2536 			dev_err(scomp->dev, "error: widget event binding failed\n");
2537 			kfree(swidget->private);
2538 			kfree(swidget);
2539 			return ret;
2540 		}
2541 	}
2542 
2543 	w->dobj.private = swidget;
2544 	list_add(&swidget->list, &sdev->widget_list);
2545 	return ret;
2546 }
2547 
2548 static int sof_route_unload(struct snd_soc_component *scomp,
2549 			    struct snd_soc_dobj *dobj)
2550 {
2551 	struct snd_sof_route *sroute;
2552 
2553 	sroute = dobj->private;
2554 	if (!sroute)
2555 		return 0;
2556 
2557 	/* free sroute and its private data */
2558 	kfree(sroute->private);
2559 	list_del(&sroute->list);
2560 	kfree(sroute);
2561 
2562 	return 0;
2563 }
2564 
2565 static int sof_widget_unload(struct snd_soc_component *scomp,
2566 			     struct snd_soc_dobj *dobj)
2567 {
2568 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2569 	const struct snd_kcontrol_new *kc;
2570 	struct snd_soc_dapm_widget *widget;
2571 	struct sof_ipc_pipe_new *pipeline;
2572 	struct snd_sof_control *scontrol;
2573 	struct snd_sof_widget *swidget;
2574 	struct soc_mixer_control *sm;
2575 	struct soc_bytes_ext *sbe;
2576 	struct snd_sof_dai *dai;
2577 	struct soc_enum *se;
2578 	int ret = 0;
2579 	int i;
2580 
2581 	swidget = dobj->private;
2582 	if (!swidget)
2583 		return 0;
2584 
2585 	widget = swidget->widget;
2586 
2587 	switch (swidget->id) {
2588 	case snd_soc_dapm_dai_in:
2589 	case snd_soc_dapm_dai_out:
2590 		dai = swidget->private;
2591 
2592 		if (dai) {
2593 			/* free dai config */
2594 			kfree(dai->dai_config);
2595 			list_del(&dai->list);
2596 		}
2597 		break;
2598 	case snd_soc_dapm_scheduler:
2599 
2600 		/* power down the pipeline schedule core */
2601 		pipeline = swidget->private;
2602 		ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2603 		if (ret < 0)
2604 			dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n",
2605 				pipeline->core);
2606 
2607 		/* update enabled cores mask */
2608 		sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2609 
2610 		break;
2611 	default:
2612 		break;
2613 	}
2614 	for (i = 0; i < widget->num_kcontrols; i++) {
2615 		kc = &widget->kcontrol_news[i];
2616 		switch (dobj->widget.kcontrol_type) {
2617 		case SND_SOC_TPLG_TYPE_MIXER:
2618 			sm = (struct soc_mixer_control *)kc->private_value;
2619 			scontrol = sm->dobj.private;
2620 			if (sm->max > 1)
2621 				kfree(scontrol->volume_table);
2622 			break;
2623 		case SND_SOC_TPLG_TYPE_ENUM:
2624 			se = (struct soc_enum *)kc->private_value;
2625 			scontrol = se->dobj.private;
2626 			break;
2627 		case SND_SOC_TPLG_TYPE_BYTES:
2628 			sbe = (struct soc_bytes_ext *)kc->private_value;
2629 			scontrol = sbe->dobj.private;
2630 			break;
2631 		default:
2632 			dev_warn(scomp->dev, "unsupported kcontrol_type\n");
2633 			goto out;
2634 		}
2635 		kfree(scontrol->control_data);
2636 		list_del(&scontrol->list);
2637 		kfree(scontrol);
2638 	}
2639 
2640 out:
2641 	/* free private value */
2642 	kfree(swidget->private);
2643 
2644 	/* remove and free swidget object */
2645 	list_del(&swidget->list);
2646 	kfree(swidget);
2647 
2648 	return ret;
2649 }
2650 
2651 /*
2652  * DAI HW configuration.
2653  */
2654 
2655 /* FE DAI - used for any driver specific init */
2656 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2657 			struct snd_soc_dai_driver *dai_drv,
2658 			struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2659 {
2660 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2661 	struct snd_soc_tplg_stream_caps *caps;
2662 	struct snd_soc_tplg_private *private = &pcm->priv;
2663 	struct snd_sof_pcm *spcm;
2664 	int stream;
2665 	int ret;
2666 
2667 	/* nothing to do for BEs atm */
2668 	if (!pcm)
2669 		return 0;
2670 
2671 	spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2672 	if (!spcm)
2673 		return -ENOMEM;
2674 
2675 	spcm->scomp = scomp;
2676 
2677 	for_each_pcm_streams(stream) {
2678 		spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
2679 		INIT_WORK(&spcm->stream[stream].period_elapsed_work,
2680 			  snd_sof_pcm_period_elapsed_work);
2681 	}
2682 
2683 	spcm->pcm = *pcm;
2684 	dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
2685 
2686 	dai_drv->dobj.private = spcm;
2687 	list_add(&spcm->list, &sdev->pcm_list);
2688 
2689 	ret = sof_parse_tokens(scomp, spcm, stream_tokens,
2690 			       ARRAY_SIZE(stream_tokens), private->array,
2691 			       le32_to_cpu(private->size));
2692 	if (ret) {
2693 		dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
2694 			le32_to_cpu(private->size));
2695 		return ret;
2696 	}
2697 
2698 	/* do we need to allocate playback PCM DMA pages */
2699 	if (!spcm->pcm.playback)
2700 		goto capture;
2701 
2702 	stream = SNDRV_PCM_STREAM_PLAYBACK;
2703 
2704 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: playback d0i3:%d\n",
2705 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2706 
2707 	caps = &spcm->pcm.caps[stream];
2708 
2709 	/* allocate playback page table buffer */
2710 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2711 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2712 	if (ret < 0) {
2713 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2714 			caps->name, ret);
2715 
2716 		return ret;
2717 	}
2718 
2719 	/* bind pcm to host comp */
2720 	ret = spcm_bind(scomp, spcm, stream);
2721 	if (ret) {
2722 		dev_err(scomp->dev,
2723 			"error: can't bind pcm to host\n");
2724 		goto free_playback_tables;
2725 	}
2726 
2727 capture:
2728 	stream = SNDRV_PCM_STREAM_CAPTURE;
2729 
2730 	/* do we need to allocate capture PCM DMA pages */
2731 	if (!spcm->pcm.capture)
2732 		return ret;
2733 
2734 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: capture d0i3:%d\n",
2735 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2736 
2737 	caps = &spcm->pcm.caps[stream];
2738 
2739 	/* allocate capture page table buffer */
2740 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2741 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2742 	if (ret < 0) {
2743 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2744 			caps->name, ret);
2745 		goto free_playback_tables;
2746 	}
2747 
2748 	/* bind pcm to host comp */
2749 	ret = spcm_bind(scomp, spcm, stream);
2750 	if (ret) {
2751 		dev_err(scomp->dev,
2752 			"error: can't bind pcm to host\n");
2753 		snd_dma_free_pages(&spcm->stream[stream].page_table);
2754 		goto free_playback_tables;
2755 	}
2756 
2757 	return ret;
2758 
2759 free_playback_tables:
2760 	if (spcm->pcm.playback)
2761 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2762 
2763 	return ret;
2764 }
2765 
2766 static int sof_dai_unload(struct snd_soc_component *scomp,
2767 			  struct snd_soc_dobj *dobj)
2768 {
2769 	struct snd_sof_pcm *spcm = dobj->private;
2770 
2771 	/* free PCM DMA pages */
2772 	if (spcm->pcm.playback)
2773 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2774 
2775 	if (spcm->pcm.capture)
2776 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2777 
2778 	/* remove from list and free spcm */
2779 	list_del(&spcm->list);
2780 	kfree(spcm);
2781 
2782 	return 0;
2783 }
2784 
2785 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2786 			       struct sof_ipc_dai_config *config)
2787 {
2788 	/* clock directions wrt codec */
2789 	if (hw_config->bclk_provider == SND_SOC_TPLG_BCLK_CP) {
2790 		/* codec is bclk provider */
2791 		if (hw_config->fsync_provider == SND_SOC_TPLG_FSYNC_CP)
2792 			config->format |= SOF_DAI_FMT_CBP_CFP;
2793 		else
2794 			config->format |= SOF_DAI_FMT_CBP_CFC;
2795 	} else {
2796 		/* codec is bclk consumer */
2797 		if (hw_config->fsync_provider == SND_SOC_TPLG_FSYNC_CP)
2798 			config->format |= SOF_DAI_FMT_CBC_CFP;
2799 		else
2800 			config->format |= SOF_DAI_FMT_CBC_CFC;
2801 	}
2802 
2803 	/* inverted clocks ? */
2804 	if (hw_config->invert_bclk) {
2805 		if (hw_config->invert_fsync)
2806 			config->format |= SOF_DAI_FMT_IB_IF;
2807 		else
2808 			config->format |= SOF_DAI_FMT_IB_NF;
2809 	} else {
2810 		if (hw_config->invert_fsync)
2811 			config->format |= SOF_DAI_FMT_NB_IF;
2812 		else
2813 			config->format |= SOF_DAI_FMT_NB_NF;
2814 	}
2815 }
2816 
2817 /*
2818  * Send IPC and set the same config for all DAIs with name matching the link
2819  * name. Note that the function can only be used for the case that all DAIs
2820  * have a common DAI config for now.
2821  */
2822 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2823 			      struct snd_soc_dai_link *link,
2824 			      struct sof_ipc_dai_config *config)
2825 {
2826 	struct snd_sof_dai *dai;
2827 	int found = 0;
2828 
2829 	list_for_each_entry(dai, &sdev->dai_list, list) {
2830 		if (!dai->name)
2831 			continue;
2832 
2833 		if (strcmp(link->name, dai->name) == 0) {
2834 			struct sof_ipc_reply reply;
2835 			int ret;
2836 
2837 			/*
2838 			 * the same dai config will be applied to all DAIs in
2839 			 * the same dai link. We have to ensure that the ipc
2840 			 * dai config's dai_index match to the component's
2841 			 * dai_index.
2842 			 */
2843 			config->dai_index = dai->comp_dai.dai_index;
2844 
2845 			/* send message to DSP */
2846 			ret = sof_ipc_tx_message(sdev->ipc,
2847 						 config->hdr.cmd, config, size,
2848 						 &reply, sizeof(reply));
2849 
2850 			if (ret < 0) {
2851 				dev_err(sdev->dev, "error: failed to set DAI config for %s index %d\n",
2852 					dai->name, config->dai_index);
2853 				return ret;
2854 			}
2855 			dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2856 			if (!dai->dai_config)
2857 				return -ENOMEM;
2858 
2859 			/* set cpu_dai_name */
2860 			dai->cpu_dai_name = link->cpus->dai_name;
2861 
2862 			found = 1;
2863 		}
2864 	}
2865 
2866 	/*
2867 	 * machine driver may define a dai link with playback and capture
2868 	 * dai enabled, but the dai link in topology would support both, one
2869 	 * or none of them. Here print a warning message to notify user
2870 	 */
2871 	if (!found) {
2872 		dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2873 			 link->name);
2874 	}
2875 
2876 	return 0;
2877 }
2878 
2879 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2880 			     struct snd_soc_dai_link *link,
2881 			     struct snd_soc_tplg_link_config *cfg,
2882 			     struct snd_soc_tplg_hw_config *hw_config,
2883 			     struct sof_ipc_dai_config *config)
2884 {
2885 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2886 	struct snd_soc_tplg_private *private = &cfg->priv;
2887 	u32 size = sizeof(*config);
2888 	int ret;
2889 
2890 	/* handle master/slave and inverted clocks */
2891 	sof_dai_set_format(hw_config, config);
2892 
2893 	/* init IPC */
2894 	memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2895 	config->hdr.size = size;
2896 
2897 	ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2898 			       ARRAY_SIZE(ssp_tokens), private->array,
2899 			       le32_to_cpu(private->size));
2900 	if (ret != 0) {
2901 		dev_err(scomp->dev, "error: parse ssp tokens failed %d\n",
2902 			le32_to_cpu(private->size));
2903 		return ret;
2904 	}
2905 
2906 	config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2907 	config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2908 	config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2909 	config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2910 	config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2911 	config->ssp.mclk_direction = hw_config->mclk_direction;
2912 	config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2913 	config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2914 
2915 	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",
2916 		config->dai_index, config->format,
2917 		config->ssp.mclk_rate, config->ssp.bclk_rate,
2918 		config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2919 		config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2920 		config->ssp.mclk_id, config->ssp.quirks);
2921 
2922 	/* validate SSP fsync rate and channel count */
2923 	if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2924 		dev_err(scomp->dev, "error: invalid fsync rate for SSP%d\n",
2925 			config->dai_index);
2926 		return -EINVAL;
2927 	}
2928 
2929 	if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2930 		dev_err(scomp->dev, "error: invalid channel count for SSP%d\n",
2931 			config->dai_index);
2932 		return -EINVAL;
2933 	}
2934 
2935 	/* set config for all DAI's with name matching the link name */
2936 	ret = sof_set_dai_config(sdev, size, link, config);
2937 	if (ret < 0)
2938 		dev_err(scomp->dev, "error: failed to save DAI config for SSP%d\n",
2939 			config->dai_index);
2940 
2941 	return ret;
2942 }
2943 
2944 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2945 			     struct snd_soc_dai_link *link,
2946 			     struct snd_soc_tplg_link_config *cfg,
2947 			     struct snd_soc_tplg_hw_config *hw_config,
2948 			     struct sof_ipc_dai_config *config)
2949 {
2950 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2951 	struct snd_soc_tplg_private *private = &cfg->priv;
2952 	u32 size = sizeof(*config);
2953 	int ret;
2954 
2955 	/* handle master/slave and inverted clocks */
2956 	sof_dai_set_format(hw_config, config);
2957 
2958 	/* init IPC */
2959 	memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params));
2960 	config->hdr.size = size;
2961 
2962 	ret = sof_parse_tokens(scomp, &config->sai, sai_tokens,
2963 			       ARRAY_SIZE(sai_tokens), private->array,
2964 			       le32_to_cpu(private->size));
2965 	if (ret != 0) {
2966 		dev_err(scomp->dev, "error: parse sai tokens failed %d\n",
2967 			le32_to_cpu(private->size));
2968 		return ret;
2969 	}
2970 
2971 	config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2972 	config->sai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2973 	config->sai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2974 	config->sai.mclk_direction = hw_config->mclk_direction;
2975 
2976 	config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2977 	config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2978 	config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2979 	config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2980 
2981 	dev_info(scomp->dev,
2982 		 "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2983 		config->dai_index, config->format,
2984 		config->sai.mclk_rate, config->sai.tdm_slot_width,
2985 		config->sai.tdm_slots, config->sai.mclk_id);
2986 
2987 	if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) {
2988 		dev_err(scomp->dev, "error: invalid channel count for SAI%d\n",
2989 			config->dai_index);
2990 		return -EINVAL;
2991 	}
2992 
2993 	/* set config for all DAI's with name matching the link name */
2994 	ret = sof_set_dai_config(sdev, size, link, config);
2995 	if (ret < 0)
2996 		dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n",
2997 			config->dai_index);
2998 
2999 	return ret;
3000 }
3001 
3002 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
3003 			      struct snd_soc_dai_link *link,
3004 			      struct snd_soc_tplg_link_config *cfg,
3005 			      struct snd_soc_tplg_hw_config *hw_config,
3006 			      struct sof_ipc_dai_config *config)
3007 {
3008 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3009 	struct snd_soc_tplg_private *private = &cfg->priv;
3010 	u32 size = sizeof(*config);
3011 	int ret;
3012 
3013 	/* handle master/slave and inverted clocks */
3014 	sof_dai_set_format(hw_config, config);
3015 
3016 	/* init IPC */
3017 	memset(&config->esai, 0, sizeof(struct sof_ipc_dai_esai_params));
3018 	config->hdr.size = size;
3019 
3020 	ret = sof_parse_tokens(scomp, &config->esai, esai_tokens,
3021 			       ARRAY_SIZE(esai_tokens), private->array,
3022 			       le32_to_cpu(private->size));
3023 	if (ret != 0) {
3024 		dev_err(scomp->dev, "error: parse esai tokens failed %d\n",
3025 			le32_to_cpu(private->size));
3026 		return ret;
3027 	}
3028 
3029 	config->esai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
3030 	config->esai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
3031 	config->esai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
3032 	config->esai.mclk_direction = hw_config->mclk_direction;
3033 	config->esai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
3034 	config->esai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
3035 	config->esai.rx_slots = le32_to_cpu(hw_config->rx_slots);
3036 	config->esai.tx_slots = le32_to_cpu(hw_config->tx_slots);
3037 
3038 	dev_info(scomp->dev,
3039 		 "tplg: config ESAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
3040 		config->dai_index, config->format,
3041 		config->esai.mclk_rate, config->esai.tdm_slot_width,
3042 		config->esai.tdm_slots, config->esai.mclk_id);
3043 
3044 	if (config->esai.tdm_slots < 1 || config->esai.tdm_slots > 8) {
3045 		dev_err(scomp->dev, "error: invalid channel count for ESAI%d\n",
3046 			config->dai_index);
3047 		return -EINVAL;
3048 	}
3049 
3050 	/* set config for all DAI's with name matching the link name */
3051 	ret = sof_set_dai_config(sdev, size, link, config);
3052 	if (ret < 0)
3053 		dev_err(scomp->dev, "error: failed to save DAI config for ESAI%d\n",
3054 			config->dai_index);
3055 
3056 	return ret;
3057 }
3058 
3059 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
3060 			      struct snd_soc_dai_link *link,
3061 			      struct snd_soc_tplg_link_config *cfg,
3062 			      struct snd_soc_tplg_hw_config *hw_config,
3063 			      struct sof_ipc_dai_config *config)
3064 {
3065 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3066 	struct snd_soc_tplg_private *private = &cfg->priv;
3067 	struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
3068 	struct sof_ipc_fw_version *v = &ready->version;
3069 	size_t size = sizeof(*config);
3070 	int ret, j;
3071 
3072 	/* Ensure the entire DMIC config struct is zeros */
3073 	memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
3074 
3075 	/* get DMIC tokens */
3076 	ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
3077 			       ARRAY_SIZE(dmic_tokens), private->array,
3078 			       le32_to_cpu(private->size));
3079 	if (ret != 0) {
3080 		dev_err(scomp->dev, "error: parse dmic tokens failed %d\n",
3081 			le32_to_cpu(private->size));
3082 		return ret;
3083 	}
3084 
3085 	/* get DMIC PDM tokens */
3086 	ret = sof_parse_token_sets(scomp, &config->dmic.pdm[0], dmic_pdm_tokens,
3087 			       ARRAY_SIZE(dmic_pdm_tokens), private->array,
3088 			       le32_to_cpu(private->size),
3089 			       config->dmic.num_pdm_active,
3090 			       sizeof(struct sof_ipc_dai_dmic_pdm_ctrl));
3091 
3092 	if (ret != 0) {
3093 		dev_err(scomp->dev, "error: parse dmic pdm tokens failed %d\n",
3094 			le32_to_cpu(private->size));
3095 		return ret;
3096 	}
3097 
3098 	/* set IPC header size */
3099 	config->hdr.size = size;
3100 
3101 	/* debug messages */
3102 	dev_dbg(scomp->dev, "tplg: config DMIC%d driver version %d\n",
3103 		config->dai_index, config->dmic.driver_ipc_version);
3104 	dev_dbg(scomp->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
3105 		config->dmic.pdmclk_min, config->dmic.pdmclk_max,
3106 		config->dmic.duty_min);
3107 	dev_dbg(scomp->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
3108 		config->dmic.duty_max, config->dmic.fifo_fs,
3109 		config->dmic.num_pdm_active);
3110 	dev_dbg(scomp->dev, "fifo word length %hd\n", config->dmic.fifo_bits);
3111 
3112 	for (j = 0; j < config->dmic.num_pdm_active; j++) {
3113 		dev_dbg(scomp->dev, "pdm %hd mic a %hd mic b %hd\n",
3114 			config->dmic.pdm[j].id,
3115 			config->dmic.pdm[j].enable_mic_a,
3116 			config->dmic.pdm[j].enable_mic_b);
3117 		dev_dbg(scomp->dev, "pdm %hd polarity a %hd polarity b %hd\n",
3118 			config->dmic.pdm[j].id,
3119 			config->dmic.pdm[j].polarity_mic_a,
3120 			config->dmic.pdm[j].polarity_mic_b);
3121 		dev_dbg(scomp->dev, "pdm %hd clk_edge %hd skew %hd\n",
3122 			config->dmic.pdm[j].id,
3123 			config->dmic.pdm[j].clk_edge,
3124 			config->dmic.pdm[j].skew);
3125 	}
3126 
3127 	/*
3128 	 * this takes care of backwards compatible handling of fifo_bits_b.
3129 	 * It is deprecated since firmware ABI version 3.0.1.
3130 	 */
3131 	if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1))
3132 		config->dmic.fifo_bits_b = config->dmic.fifo_bits;
3133 
3134 	/* set config for all DAI's with name matching the link name */
3135 	ret = sof_set_dai_config(sdev, size, link, config);
3136 	if (ret < 0)
3137 		dev_err(scomp->dev, "error: failed to save DAI config for DMIC%d\n",
3138 			config->dai_index);
3139 
3140 	return ret;
3141 }
3142 
3143 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
3144 			     struct snd_soc_dai_link *link,
3145 			     struct snd_soc_tplg_link_config *cfg,
3146 			     struct snd_soc_tplg_hw_config *hw_config,
3147 			     struct sof_ipc_dai_config *config)
3148 {
3149 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3150 	struct snd_soc_tplg_private *private = &cfg->priv;
3151 	struct snd_soc_dai *dai;
3152 	u32 size = sizeof(*config);
3153 	int ret;
3154 
3155 	/* init IPC */
3156 	memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
3157 	config->hdr.size = size;
3158 
3159 	/* get any bespoke DAI tokens */
3160 	ret = sof_parse_tokens(scomp, &config->hda, hda_tokens,
3161 			       ARRAY_SIZE(hda_tokens), private->array,
3162 			       le32_to_cpu(private->size));
3163 	if (ret != 0) {
3164 		dev_err(scomp->dev, "error: parse hda tokens failed %d\n",
3165 			le32_to_cpu(private->size));
3166 		return ret;
3167 	}
3168 
3169 	dev_dbg(scomp->dev, "HDA config rate %d channels %d\n",
3170 		config->hda.rate, config->hda.channels);
3171 
3172 	dai = snd_soc_find_dai(link->cpus);
3173 	if (!dai) {
3174 		dev_err(scomp->dev, "error: failed to find dai %s in %s",
3175 			link->cpus->dai_name, __func__);
3176 		return -EINVAL;
3177 	}
3178 
3179 	config->hda.link_dma_ch = DMA_CHAN_INVALID;
3180 
3181 	ret = sof_set_dai_config(sdev, size, link, config);
3182 	if (ret < 0)
3183 		dev_err(scomp->dev, "error: failed to process hda dai link %s",
3184 			link->name);
3185 
3186 	return ret;
3187 }
3188 
3189 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
3190 			     struct snd_soc_dai_link *link,
3191 			     struct snd_soc_tplg_link_config *cfg,
3192 			     struct snd_soc_tplg_hw_config *hw_config,
3193 			     struct sof_ipc_dai_config *config)
3194 {
3195 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3196 	struct snd_soc_tplg_private *private = &cfg->priv;
3197 	u32 size = sizeof(*config);
3198 	int ret;
3199 
3200 	ret = sof_parse_tokens(scomp, &config->alh, alh_tokens,
3201 			       ARRAY_SIZE(alh_tokens), private->array,
3202 			       le32_to_cpu(private->size));
3203 	if (ret != 0) {
3204 		dev_err(scomp->dev, "error: parse alh tokens failed %d\n",
3205 			le32_to_cpu(private->size));
3206 		return ret;
3207 	}
3208 
3209 	/* init IPC */
3210 	config->hdr.size = size;
3211 
3212 	/* set config for all DAI's with name matching the link name */
3213 	ret = sof_set_dai_config(sdev, size, link, config);
3214 	if (ret < 0)
3215 		dev_err(scomp->dev, "error: failed to save DAI config for ALH %d\n",
3216 			config->dai_index);
3217 
3218 	return ret;
3219 }
3220 
3221 /* DAI link - used for any driver specific init */
3222 static int sof_link_load(struct snd_soc_component *scomp, int index,
3223 			 struct snd_soc_dai_link *link,
3224 			 struct snd_soc_tplg_link_config *cfg)
3225 {
3226 	struct snd_soc_tplg_private *private = &cfg->priv;
3227 	struct sof_ipc_dai_config config;
3228 	struct snd_soc_tplg_hw_config *hw_config;
3229 	int num_hw_configs;
3230 	int ret;
3231 	int i = 0;
3232 
3233 	if (!link->platforms) {
3234 		dev_err(scomp->dev, "error: no platforms\n");
3235 		return -EINVAL;
3236 	}
3237 	link->platforms->name = dev_name(scomp->dev);
3238 
3239 	/*
3240 	 * Set nonatomic property for FE dai links as their trigger action
3241 	 * involves IPC's.
3242 	 */
3243 	if (!link->no_pcm) {
3244 		link->nonatomic = true;
3245 
3246 		/*
3247 		 * set default trigger order for all links. Exceptions to
3248 		 * the rule will be handled in sof_pcm_dai_link_fixup()
3249 		 * For playback, the sequence is the following: start FE,
3250 		 * start BE, stop BE, stop FE; for Capture the sequence is
3251 		 * inverted start BE, start FE, stop FE, stop BE
3252 		 */
3253 		link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
3254 					SND_SOC_DPCM_TRIGGER_PRE;
3255 		link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
3256 					SND_SOC_DPCM_TRIGGER_POST;
3257 
3258 		/* nothing more to do for FE dai links */
3259 		return 0;
3260 	}
3261 
3262 	/* check we have some tokens - we need at least DAI type */
3263 	if (le32_to_cpu(private->size) == 0) {
3264 		dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
3265 		return -EINVAL;
3266 	}
3267 
3268 	/* Send BE DAI link configurations to DSP */
3269 	memset(&config, 0, sizeof(config));
3270 
3271 	/* get any common DAI tokens */
3272 	ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
3273 			       ARRAY_SIZE(dai_link_tokens), private->array,
3274 			       le32_to_cpu(private->size));
3275 	if (ret != 0) {
3276 		dev_err(scomp->dev, "error: parse link tokens failed %d\n",
3277 			le32_to_cpu(private->size));
3278 		return ret;
3279 	}
3280 
3281 	/*
3282 	 * DAI links are expected to have at least 1 hw_config.
3283 	 * But some older topologies might have no hw_config for HDA dai links.
3284 	 */
3285 	num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
3286 	if (!num_hw_configs) {
3287 		if (config.type != SOF_DAI_INTEL_HDA) {
3288 			dev_err(scomp->dev, "error: unexpected DAI config count %d!\n",
3289 				le32_to_cpu(cfg->num_hw_configs));
3290 			return -EINVAL;
3291 		}
3292 	} else {
3293 		dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d!\n",
3294 			cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
3295 
3296 		for (i = 0; i < num_hw_configs; i++) {
3297 			if (cfg->hw_config[i].id == cfg->default_hw_config_id)
3298 				break;
3299 		}
3300 
3301 		if (i == num_hw_configs) {
3302 			dev_err(scomp->dev, "error: default hw_config id: %d not found!\n",
3303 				le32_to_cpu(cfg->default_hw_config_id));
3304 			return -EINVAL;
3305 		}
3306 	}
3307 
3308 	/* configure dai IPC message */
3309 	hw_config = &cfg->hw_config[i];
3310 
3311 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
3312 	config.format = le32_to_cpu(hw_config->fmt);
3313 
3314 	/* now load DAI specific data and send IPC - type comes from token */
3315 	switch (config.type) {
3316 	case SOF_DAI_INTEL_SSP:
3317 		ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
3318 					&config);
3319 		break;
3320 	case SOF_DAI_INTEL_DMIC:
3321 		ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
3322 					 &config);
3323 		break;
3324 	case SOF_DAI_INTEL_HDA:
3325 		ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
3326 					&config);
3327 		break;
3328 	case SOF_DAI_INTEL_ALH:
3329 		ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
3330 					&config);
3331 		break;
3332 	case SOF_DAI_IMX_SAI:
3333 		ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
3334 					&config);
3335 		break;
3336 	case SOF_DAI_IMX_ESAI:
3337 		ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
3338 					 &config);
3339 		break;
3340 	default:
3341 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3342 			config.type);
3343 		ret = -EINVAL;
3344 		break;
3345 	}
3346 	if (ret < 0)
3347 		return ret;
3348 
3349 	return 0;
3350 }
3351 
3352 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
3353 			       struct snd_soc_dai_link *link)
3354 {
3355 	struct snd_soc_dai *dai;
3356 
3357 	dai = snd_soc_find_dai(link->cpus);
3358 	if (!dai) {
3359 		dev_err(sdev->dev, "error: failed to find dai %s in %s",
3360 			link->cpus->dai_name, __func__);
3361 		return -EINVAL;
3362 	}
3363 
3364 	return 0;
3365 }
3366 
3367 static int sof_link_unload(struct snd_soc_component *scomp,
3368 			   struct snd_soc_dobj *dobj)
3369 {
3370 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3371 	struct snd_soc_dai_link *link =
3372 		container_of(dobj, struct snd_soc_dai_link, dobj);
3373 
3374 	struct snd_sof_dai *sof_dai;
3375 	int ret = 0;
3376 
3377 	/* only BE link is loaded by sof */
3378 	if (!link->no_pcm)
3379 		return 0;
3380 
3381 	list_for_each_entry(sof_dai, &sdev->dai_list, list) {
3382 		if (!sof_dai->name)
3383 			continue;
3384 
3385 		if (strcmp(link->name, sof_dai->name) == 0)
3386 			goto found;
3387 	}
3388 
3389 	dev_err(scomp->dev, "error: failed to find dai %s in %s",
3390 		link->name, __func__);
3391 	return -EINVAL;
3392 found:
3393 
3394 	switch (sof_dai->dai_config->type) {
3395 	case SOF_DAI_INTEL_SSP:
3396 	case SOF_DAI_INTEL_DMIC:
3397 	case SOF_DAI_INTEL_ALH:
3398 	case SOF_DAI_IMX_SAI:
3399 	case SOF_DAI_IMX_ESAI:
3400 		/* no resource needs to be released for all cases above */
3401 		break;
3402 	case SOF_DAI_INTEL_HDA:
3403 		ret = sof_link_hda_unload(sdev, link);
3404 		break;
3405 	default:
3406 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3407 			sof_dai->dai_config->type);
3408 		ret = -EINVAL;
3409 		break;
3410 	}
3411 
3412 	return ret;
3413 }
3414 
3415 /* DAI link - used for any driver specific init */
3416 static int sof_route_load(struct snd_soc_component *scomp, int index,
3417 			  struct snd_soc_dapm_route *route)
3418 {
3419 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3420 	struct sof_ipc_pipe_comp_connect *connect;
3421 	struct snd_sof_widget *source_swidget, *sink_swidget;
3422 	struct snd_soc_dobj *dobj = &route->dobj;
3423 	struct snd_sof_route *sroute;
3424 	struct sof_ipc_reply reply;
3425 	int ret = 0;
3426 
3427 	/* allocate memory for sroute and connect */
3428 	sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
3429 	if (!sroute)
3430 		return -ENOMEM;
3431 
3432 	sroute->scomp = scomp;
3433 
3434 	connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3435 	if (!connect) {
3436 		kfree(sroute);
3437 		return -ENOMEM;
3438 	}
3439 
3440 	connect->hdr.size = sizeof(*connect);
3441 	connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3442 
3443 	dev_dbg(scomp->dev, "sink %s control %s source %s\n",
3444 		route->sink, route->control ? route->control : "none",
3445 		route->source);
3446 
3447 	/* source component */
3448 	source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
3449 	if (!source_swidget) {
3450 		dev_err(scomp->dev, "error: source %s not found\n",
3451 			route->source);
3452 		ret = -EINVAL;
3453 		goto err;
3454 	}
3455 
3456 	/*
3457 	 * Virtual widgets of type output/out_drv may be added in topology
3458 	 * for compatibility. These are not handled by the FW.
3459 	 * So, don't send routes whose source/sink widget is of such types
3460 	 * to the DSP.
3461 	 */
3462 	if (source_swidget->id == snd_soc_dapm_out_drv ||
3463 	    source_swidget->id == snd_soc_dapm_output)
3464 		goto err;
3465 
3466 	connect->source_id = source_swidget->comp_id;
3467 
3468 	/* sink component */
3469 	sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
3470 	if (!sink_swidget) {
3471 		dev_err(scomp->dev, "error: sink %s not found\n",
3472 			route->sink);
3473 		ret = -EINVAL;
3474 		goto err;
3475 	}
3476 
3477 	/*
3478 	 * Don't send routes whose sink widget is of type
3479 	 * output or out_drv to the DSP
3480 	 */
3481 	if (sink_swidget->id == snd_soc_dapm_out_drv ||
3482 	    sink_swidget->id == snd_soc_dapm_output)
3483 		goto err;
3484 
3485 	connect->sink_id = sink_swidget->comp_id;
3486 
3487 	/*
3488 	 * For virtual routes, both sink and source are not
3489 	 * buffer. Since only buffer linked to component is supported by
3490 	 * FW, others are reported as error, add check in route function,
3491 	 * do not send it to FW when both source and sink are not buffer
3492 	 */
3493 	if (source_swidget->id != snd_soc_dapm_buffer &&
3494 	    sink_swidget->id != snd_soc_dapm_buffer) {
3495 		dev_dbg(scomp->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3496 			route->source, route->sink);
3497 		goto err;
3498 	} else {
3499 		ret = sof_ipc_tx_message(sdev->ipc,
3500 					 connect->hdr.cmd,
3501 					 connect, sizeof(*connect),
3502 					 &reply, sizeof(reply));
3503 
3504 		/* check IPC return value */
3505 		if (ret < 0) {
3506 			dev_err(scomp->dev, "error: failed to add route sink %s control %s source %s\n",
3507 				route->sink,
3508 				route->control ? route->control : "none",
3509 				route->source);
3510 			goto err;
3511 		}
3512 
3513 		/* check IPC reply */
3514 		if (reply.error < 0) {
3515 			dev_err(scomp->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3516 				route->sink,
3517 				route->control ? route->control : "none",
3518 				route->source, reply.error);
3519 			ret = reply.error;
3520 			goto err;
3521 		}
3522 
3523 		sroute->route = route;
3524 		dobj->private = sroute;
3525 		sroute->private = connect;
3526 
3527 		/* add route to route list */
3528 		list_add(&sroute->list, &sdev->route_list);
3529 
3530 		return 0;
3531 	}
3532 
3533 err:
3534 	kfree(connect);
3535 	kfree(sroute);
3536 	return ret;
3537 }
3538 
3539 /* Function to set the initial value of SOF kcontrols.
3540  * The value will be stored in scontrol->control_data
3541  */
3542 static int snd_sof_cache_kcontrol_val(struct snd_soc_component *scomp)
3543 {
3544 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3545 	struct snd_sof_control *scontrol = NULL;
3546 	int ipc_cmd, ctrl_type;
3547 	int ret = 0;
3548 
3549 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3550 
3551 		/* notify DSP of kcontrol values */
3552 		switch (scontrol->cmd) {
3553 		case SOF_CTRL_CMD_VOLUME:
3554 		case SOF_CTRL_CMD_ENUM:
3555 		case SOF_CTRL_CMD_SWITCH:
3556 			ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3557 			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3558 			break;
3559 		case SOF_CTRL_CMD_BINARY:
3560 			ipc_cmd = SOF_IPC_COMP_GET_DATA;
3561 			ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3562 			break;
3563 		default:
3564 			dev_err(scomp->dev,
3565 				"error: Invalid scontrol->cmd: %d\n",
3566 				scontrol->cmd);
3567 			return -EINVAL;
3568 		}
3569 		ret = snd_sof_ipc_set_get_comp_data(scontrol,
3570 						    ipc_cmd, ctrl_type,
3571 						    scontrol->cmd,
3572 						    false);
3573 		if (ret < 0) {
3574 			dev_warn(scomp->dev,
3575 				 "error: kcontrol value get for widget: %d\n",
3576 				 scontrol->comp_id);
3577 		}
3578 	}
3579 
3580 	return ret;
3581 }
3582 
3583 int snd_sof_complete_pipeline(struct device *dev,
3584 			      struct snd_sof_widget *swidget)
3585 {
3586 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
3587 	struct sof_ipc_pipe_ready ready;
3588 	struct sof_ipc_reply reply;
3589 	int ret;
3590 
3591 	dev_dbg(dev, "tplg: complete pipeline %s id %d\n",
3592 		swidget->widget->name, swidget->comp_id);
3593 
3594 	memset(&ready, 0, sizeof(ready));
3595 	ready.hdr.size = sizeof(ready);
3596 	ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3597 	ready.comp_id = swidget->comp_id;
3598 
3599 	ret = sof_ipc_tx_message(sdev->ipc,
3600 				 ready.hdr.cmd, &ready, sizeof(ready), &reply,
3601 				 sizeof(reply));
3602 	if (ret < 0)
3603 		return ret;
3604 	return 1;
3605 }
3606 
3607 /* completion - called at completion of firmware loading */
3608 static void sof_complete(struct snd_soc_component *scomp)
3609 {
3610 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3611 	struct snd_sof_widget *swidget;
3612 
3613 	/* some widget types require completion notificattion */
3614 	list_for_each_entry(swidget, &sdev->widget_list, list) {
3615 		if (swidget->complete)
3616 			continue;
3617 
3618 		switch (swidget->id) {
3619 		case snd_soc_dapm_scheduler:
3620 			swidget->complete =
3621 				snd_sof_complete_pipeline(scomp->dev, swidget);
3622 			break;
3623 		default:
3624 			break;
3625 		}
3626 	}
3627 	/*
3628 	 * cache initial values of SOF kcontrols by reading DSP value over
3629 	 * IPC. It may be overwritten by alsa-mixer after booting up
3630 	 */
3631 	snd_sof_cache_kcontrol_val(scomp);
3632 }
3633 
3634 /* manifest - optional to inform component of manifest */
3635 static int sof_manifest(struct snd_soc_component *scomp, int index,
3636 			struct snd_soc_tplg_manifest *man)
3637 {
3638 	u32 size;
3639 	u32 abi_version;
3640 
3641 	size = le32_to_cpu(man->priv.size);
3642 
3643 	/* backward compatible with tplg without ABI info */
3644 	if (!size) {
3645 		dev_dbg(scomp->dev, "No topology ABI info\n");
3646 		return 0;
3647 	}
3648 
3649 	if (size != SOF_TPLG_ABI_SIZE) {
3650 		dev_err(scomp->dev, "error: invalid topology ABI size\n");
3651 		return -EINVAL;
3652 	}
3653 
3654 	dev_info(scomp->dev,
3655 		 "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3656 		 man->priv.data[0], man->priv.data[1],
3657 		 man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3658 		 SOF_ABI_PATCH);
3659 
3660 	abi_version = SOF_ABI_VER(man->priv.data[0],
3661 				  man->priv.data[1],
3662 				  man->priv.data[2]);
3663 
3664 	if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3665 		dev_err(scomp->dev, "error: incompatible topology ABI version\n");
3666 		return -EINVAL;
3667 	}
3668 
3669 	if (abi_version > SOF_ABI_VERSION) {
3670 		if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3671 			dev_warn(scomp->dev, "warn: topology ABI is more recent than kernel\n");
3672 		} else {
3673 			dev_err(scomp->dev, "error: topology ABI is more recent than kernel\n");
3674 			return -EINVAL;
3675 		}
3676 	}
3677 
3678 	return 0;
3679 }
3680 
3681 /* vendor specific kcontrol handlers available for binding */
3682 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3683 	{SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3684 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3685 	{SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3686 	{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3687 };
3688 
3689 /* vendor specific bytes ext handlers available for binding */
3690 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3691 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3692 	{SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},
3693 };
3694 
3695 static struct snd_soc_tplg_ops sof_tplg_ops = {
3696 	/* external kcontrol init - used for any driver specific init */
3697 	.control_load	= sof_control_load,
3698 	.control_unload	= sof_control_unload,
3699 
3700 	/* external kcontrol init - used for any driver specific init */
3701 	.dapm_route_load	= sof_route_load,
3702 	.dapm_route_unload	= sof_route_unload,
3703 
3704 	/* external widget init - used for any driver specific init */
3705 	/* .widget_load is not currently used */
3706 	.widget_ready	= sof_widget_ready,
3707 	.widget_unload	= sof_widget_unload,
3708 
3709 	/* FE DAI - used for any driver specific init */
3710 	.dai_load	= sof_dai_load,
3711 	.dai_unload	= sof_dai_unload,
3712 
3713 	/* DAI link - used for any driver specific init */
3714 	.link_load	= sof_link_load,
3715 	.link_unload	= sof_link_unload,
3716 
3717 	/* completion - called at completion of firmware loading */
3718 	.complete	= sof_complete,
3719 
3720 	/* manifest - optional to inform component of manifest */
3721 	.manifest	= sof_manifest,
3722 
3723 	/* vendor specific kcontrol handlers available for binding */
3724 	.io_ops		= sof_io_ops,
3725 	.io_ops_count	= ARRAY_SIZE(sof_io_ops),
3726 
3727 	/* vendor specific bytes ext handlers available for binding */
3728 	.bytes_ext_ops	= sof_bytes_ext_ops,
3729 	.bytes_ext_ops_count	= ARRAY_SIZE(sof_bytes_ext_ops),
3730 };
3731 
3732 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
3733 {
3734 	const struct firmware *fw;
3735 	int ret;
3736 
3737 	dev_dbg(scomp->dev, "loading topology:%s\n", file);
3738 
3739 	ret = request_firmware(&fw, file, scomp->dev);
3740 	if (ret < 0) {
3741 		dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
3742 			file, ret);
3743 		return ret;
3744 	}
3745 
3746 	ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);
3747 	if (ret < 0) {
3748 		dev_err(scomp->dev, "error: tplg component load failed %d\n",
3749 			ret);
3750 		ret = -EINVAL;
3751 	}
3752 
3753 	release_firmware(fw);
3754 	return ret;
3755 }
3756 EXPORT_SYMBOL(snd_sof_load_topology);
3757