xref: /openbmc/linux/sound/soc/sof/topology.c (revision 70a59dd8)
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 	/* init the volume get/put data */
1045 	scontrol->size = struct_size(scontrol->control_data, chanv,
1046 				     le32_to_cpu(mc->num_channels));
1047 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1048 	if (!scontrol->control_data) {
1049 		ret = -ENOMEM;
1050 		goto out;
1051 	}
1052 
1053 	scontrol->comp_id = sdev->next_comp_id;
1054 	scontrol->min_volume_step = le32_to_cpu(mc->min);
1055 	scontrol->max_volume_step = le32_to_cpu(mc->max);
1056 	scontrol->num_channels = le32_to_cpu(mc->num_channels);
1057 
1058 	/* set cmd for mixer control */
1059 	if (le32_to_cpu(mc->max) == 1) {
1060 		scontrol->cmd = SOF_CTRL_CMD_SWITCH;
1061 		goto skip;
1062 	}
1063 
1064 	scontrol->cmd = SOF_CTRL_CMD_VOLUME;
1065 
1066 	/* extract tlv data */
1067 	if (get_tlv_data(kc->tlv.p, tlv) < 0) {
1068 		dev_err(scomp->dev, "error: invalid TLV data\n");
1069 		ret = -EINVAL;
1070 		goto out_free;
1071 	}
1072 
1073 	/* set up volume table */
1074 	ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
1075 	if (ret < 0) {
1076 		dev_err(scomp->dev, "error: setting up volume table\n");
1077 		goto out_free;
1078 	}
1079 
1080 	/* set default volume values to 0dB in control */
1081 	cdata = scontrol->control_data;
1082 	for (i = 0; i < scontrol->num_channels; i++) {
1083 		cdata->chanv[i].channel = i;
1084 		cdata->chanv[i].value = VOL_ZERO_DB;
1085 	}
1086 
1087 skip:
1088 	/* set up possible led control from mixer private data */
1089 	ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
1090 			       ARRAY_SIZE(led_tokens), mc->priv.array,
1091 			       le32_to_cpu(mc->priv.size));
1092 	if (ret != 0) {
1093 		dev_err(scomp->dev, "error: parse led tokens failed %d\n",
1094 			le32_to_cpu(mc->priv.size));
1095 		goto out_free_table;
1096 	}
1097 
1098 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1099 		scontrol->comp_id, scontrol->num_channels);
1100 
1101 	return 0;
1102 
1103 out_free_table:
1104 	if (le32_to_cpu(mc->max) > 1)
1105 		kfree(scontrol->volume_table);
1106 out_free:
1107 	kfree(scontrol->control_data);
1108 out:
1109 	return ret;
1110 }
1111 
1112 static int sof_control_load_enum(struct snd_soc_component *scomp,
1113 				 struct snd_sof_control *scontrol,
1114 				 struct snd_kcontrol_new *kc,
1115 				 struct snd_soc_tplg_ctl_hdr *hdr)
1116 {
1117 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1118 	struct snd_soc_tplg_enum_control *ec =
1119 		container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
1120 
1121 	/* validate topology data */
1122 	if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
1123 		return -EINVAL;
1124 
1125 	/* init the enum get/put data */
1126 	scontrol->size = struct_size(scontrol->control_data, chanv,
1127 				     le32_to_cpu(ec->num_channels));
1128 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1129 	if (!scontrol->control_data)
1130 		return -ENOMEM;
1131 
1132 	scontrol->comp_id = sdev->next_comp_id;
1133 	scontrol->num_channels = le32_to_cpu(ec->num_channels);
1134 
1135 	scontrol->cmd = SOF_CTRL_CMD_ENUM;
1136 
1137 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
1138 		scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
1139 
1140 	return 0;
1141 }
1142 
1143 static int sof_control_load_bytes(struct snd_soc_component *scomp,
1144 				  struct snd_sof_control *scontrol,
1145 				  struct snd_kcontrol_new *kc,
1146 				  struct snd_soc_tplg_ctl_hdr *hdr)
1147 {
1148 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1149 	struct sof_ipc_ctrl_data *cdata;
1150 	struct snd_soc_tplg_bytes_control *control =
1151 		container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
1152 	struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
1153 	size_t max_size = sbe->max;
1154 	size_t priv_size = le32_to_cpu(control->priv.size);
1155 	int ret;
1156 
1157 	if (max_size < sizeof(struct sof_ipc_ctrl_data) ||
1158 	    max_size < sizeof(struct sof_abi_hdr)) {
1159 		ret = -EINVAL;
1160 		goto out;
1161 	}
1162 
1163 	/* init the get/put bytes data */
1164 	if (priv_size > max_size - sizeof(struct sof_ipc_ctrl_data)) {
1165 		dev_err(scomp->dev, "err: bytes data size %zu exceeds max %zu.\n",
1166 			priv_size, max_size - sizeof(struct sof_ipc_ctrl_data));
1167 		ret = -EINVAL;
1168 		goto out;
1169 	}
1170 
1171 	scontrol->size = sizeof(struct sof_ipc_ctrl_data) + priv_size;
1172 
1173 	scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
1174 	cdata = scontrol->control_data;
1175 	if (!scontrol->control_data) {
1176 		ret = -ENOMEM;
1177 		goto out;
1178 	}
1179 
1180 	scontrol->comp_id = sdev->next_comp_id;
1181 	scontrol->cmd = SOF_CTRL_CMD_BINARY;
1182 
1183 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1184 		scontrol->comp_id, scontrol->num_channels);
1185 
1186 	if (le32_to_cpu(control->priv.size) > 0) {
1187 		memcpy(cdata->data, control->priv.data,
1188 		       le32_to_cpu(control->priv.size));
1189 
1190 		if (cdata->data->magic != SOF_ABI_MAGIC) {
1191 			dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n",
1192 				cdata->data->magic);
1193 			ret = -EINVAL;
1194 			goto out_free;
1195 		}
1196 		if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
1197 						 cdata->data->abi)) {
1198 			dev_err(scomp->dev,
1199 				"error: Incompatible ABI version 0x%08x.\n",
1200 				cdata->data->abi);
1201 			ret = -EINVAL;
1202 			goto out_free;
1203 		}
1204 		if (cdata->data->size + sizeof(const struct sof_abi_hdr) !=
1205 		    le32_to_cpu(control->priv.size)) {
1206 			dev_err(scomp->dev,
1207 				"error: Conflict in bytes vs. priv size.\n");
1208 			ret = -EINVAL;
1209 			goto out_free;
1210 		}
1211 	}
1212 
1213 	return 0;
1214 
1215 out_free:
1216 	kfree(scontrol->control_data);
1217 out:
1218 	return ret;
1219 }
1220 
1221 /* external kcontrol init - used for any driver specific init */
1222 static int sof_control_load(struct snd_soc_component *scomp, int index,
1223 			    struct snd_kcontrol_new *kc,
1224 			    struct snd_soc_tplg_ctl_hdr *hdr)
1225 {
1226 	struct soc_mixer_control *sm;
1227 	struct soc_bytes_ext *sbe;
1228 	struct soc_enum *se;
1229 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1230 	struct snd_soc_dobj *dobj;
1231 	struct snd_sof_control *scontrol;
1232 	int ret;
1233 
1234 	dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
1235 		hdr->type, hdr->name);
1236 
1237 	scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1238 	if (!scontrol)
1239 		return -ENOMEM;
1240 
1241 	scontrol->scomp = scomp;
1242 
1243 	switch (le32_to_cpu(hdr->ops.info)) {
1244 	case SND_SOC_TPLG_CTL_VOLSW:
1245 	case SND_SOC_TPLG_CTL_VOLSW_SX:
1246 	case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1247 		sm = (struct soc_mixer_control *)kc->private_value;
1248 		dobj = &sm->dobj;
1249 		ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1250 		break;
1251 	case SND_SOC_TPLG_CTL_BYTES:
1252 		sbe = (struct soc_bytes_ext *)kc->private_value;
1253 		dobj = &sbe->dobj;
1254 		ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1255 		break;
1256 	case SND_SOC_TPLG_CTL_ENUM:
1257 	case SND_SOC_TPLG_CTL_ENUM_VALUE:
1258 		se = (struct soc_enum *)kc->private_value;
1259 		dobj = &se->dobj;
1260 		ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1261 		break;
1262 	case SND_SOC_TPLG_CTL_RANGE:
1263 	case SND_SOC_TPLG_CTL_STROBE:
1264 	case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1265 	case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1266 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1267 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1268 	case SND_SOC_TPLG_DAPM_CTL_PIN:
1269 	default:
1270 		dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
1271 			 hdr->ops.get, hdr->ops.put, hdr->ops.info);
1272 		kfree(scontrol);
1273 		return 0;
1274 	}
1275 
1276 	if (ret < 0) {
1277 		kfree(scontrol);
1278 		return ret;
1279 	}
1280 
1281 	scontrol->led_ctl.led_value = -1;
1282 
1283 	dobj->private = scontrol;
1284 	list_add(&scontrol->list, &sdev->kcontrol_list);
1285 	return 0;
1286 }
1287 
1288 static int sof_control_unload(struct snd_soc_component *scomp,
1289 			      struct snd_soc_dobj *dobj)
1290 {
1291 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1292 	struct sof_ipc_free fcomp;
1293 	struct snd_sof_control *scontrol = dobj->private;
1294 
1295 	dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name);
1296 
1297 	fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1298 	fcomp.hdr.size = sizeof(fcomp);
1299 	fcomp.id = scontrol->comp_id;
1300 
1301 	kfree(scontrol->control_data);
1302 	list_del(&scontrol->list);
1303 	kfree(scontrol);
1304 	/* send IPC to the DSP */
1305 	return sof_ipc_tx_message(sdev->ipc,
1306 				  fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1307 				  NULL, 0);
1308 }
1309 
1310 /*
1311  * DAI Topology
1312  */
1313 
1314 /* Static DSP core power management so far, should be extended in the future */
1315 static int sof_core_enable(struct snd_sof_dev *sdev, int core)
1316 {
1317 	struct sof_ipc_pm_core_config pm_core_config = {
1318 		.hdr = {
1319 			.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE,
1320 			.size = sizeof(pm_core_config),
1321 		},
1322 		.enable_mask = sdev->enabled_cores_mask | BIT(core),
1323 	};
1324 	int ret;
1325 
1326 	if (sdev->enabled_cores_mask & BIT(core))
1327 		return 0;
1328 
1329 	/* power up the core if it is host managed */
1330 	ret = snd_sof_dsp_core_power_up(sdev, BIT(core));
1331 	if (ret < 0) {
1332 		dev_err(sdev->dev, "error: %d powering up core %d\n",
1333 			ret, core);
1334 		return ret;
1335 	}
1336 
1337 	/* Now notify DSP */
1338 	ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1339 				 &pm_core_config, sizeof(pm_core_config),
1340 				 &pm_core_config, sizeof(pm_core_config));
1341 	if (ret < 0) {
1342 		dev_err(sdev->dev, "error: core %d enable ipc failure %d\n",
1343 			core, ret);
1344 		goto err;
1345 	}
1346 
1347 	/* update enabled cores mask */
1348 	sdev->enabled_cores_mask |= BIT(core);
1349 
1350 	return ret;
1351 err:
1352 	/* power down core if it is host managed and return the original error if this fails too */
1353 	if (snd_sof_dsp_core_power_down(sdev, BIT(core)) < 0)
1354 		dev_err(sdev->dev, "error: powering down core %d\n", core);
1355 
1356 	return ret;
1357 }
1358 
1359 int sof_pipeline_core_enable(struct snd_sof_dev *sdev,
1360 			     const struct snd_sof_widget *swidget)
1361 {
1362 	const struct sof_ipc_pipe_new *pipeline;
1363 	int ret;
1364 
1365 	if (swidget->id == snd_soc_dapm_scheduler) {
1366 		pipeline = swidget->private;
1367 	} else {
1368 		pipeline = snd_sof_pipeline_find(sdev, swidget->pipeline_id);
1369 		if (!pipeline)
1370 			return -ENOENT;
1371 	}
1372 
1373 	/* First enable the pipeline core */
1374 	ret = sof_core_enable(sdev, pipeline->core);
1375 	if (ret < 0)
1376 		return ret;
1377 
1378 	return sof_core_enable(sdev, swidget->core);
1379 }
1380 
1381 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1382 				  struct snd_soc_dapm_widget *w,
1383 				  struct snd_soc_tplg_dapm_widget *tw,
1384 				  struct snd_sof_dai *dai)
1385 {
1386 	struct snd_soc_card *card = scomp->card;
1387 	struct snd_soc_pcm_runtime *rtd;
1388 	struct snd_soc_dai *cpu_dai;
1389 	int i;
1390 
1391 	list_for_each_entry(rtd, &card->rtd_list, list) {
1392 		dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1393 			 w->name,  w->sname, rtd->dai_link->stream_name);
1394 
1395 		if (!w->sname || !rtd->dai_link->stream_name)
1396 			continue;
1397 
1398 		/* does stream match DAI link ? */
1399 		if (strcmp(w->sname, rtd->dai_link->stream_name))
1400 			continue;
1401 
1402 		switch (w->id) {
1403 		case snd_soc_dapm_dai_out:
1404 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1405 				/*
1406 				 * Please create DAI widget in the right order
1407 				 * to ensure BE will connect to the right DAI
1408 				 * widget.
1409 				 */
1410 				if (!cpu_dai->capture_widget) {
1411 					cpu_dai->capture_widget = w;
1412 					break;
1413 				}
1414 			}
1415 			if (i == rtd->num_cpus) {
1416 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1417 					w->name);
1418 
1419 				return -EINVAL;
1420 			}
1421 			dai->name = rtd->dai_link->name;
1422 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1423 				w->name, rtd->dai_link->name);
1424 			break;
1425 		case snd_soc_dapm_dai_in:
1426 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1427 				/*
1428 				 * Please create DAI widget in the right order
1429 				 * to ensure BE will connect to the right DAI
1430 				 * widget.
1431 				 */
1432 				if (!cpu_dai->playback_widget) {
1433 					cpu_dai->playback_widget = w;
1434 					break;
1435 				}
1436 			}
1437 			if (i == rtd->num_cpus) {
1438 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1439 					w->name);
1440 
1441 				return -EINVAL;
1442 			}
1443 			dai->name = rtd->dai_link->name;
1444 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1445 				w->name, rtd->dai_link->name);
1446 			break;
1447 		default:
1448 			break;
1449 		}
1450 	}
1451 
1452 	/* check we have a connection */
1453 	if (!dai->name) {
1454 		dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
1455 			w->name, w->sname);
1456 		return -EINVAL;
1457 	}
1458 
1459 	return 0;
1460 }
1461 
1462 /**
1463  * sof_comp_alloc - allocate and initialize buffer for a new component
1464  * @swidget: pointer to struct snd_sof_widget containing extended data
1465  * @ipc_size: IPC payload size that will be updated depending on valid
1466  *  extended data.
1467  * @index: ID of the pipeline the component belongs to
1468  *
1469  * Return: The pointer to the new allocated component, NULL if failed.
1470  */
1471 static struct sof_ipc_comp *sof_comp_alloc(struct snd_sof_widget *swidget,
1472 					   size_t *ipc_size, int index)
1473 {
1474 	u8 nil_uuid[SOF_UUID_SIZE] = {0};
1475 	struct sof_ipc_comp *comp;
1476 	size_t total_size = *ipc_size;
1477 
1478 	/* only non-zero UUID is valid */
1479 	if (memcmp(&swidget->comp_ext, nil_uuid, SOF_UUID_SIZE))
1480 		total_size += sizeof(swidget->comp_ext);
1481 
1482 	comp = kzalloc(total_size, GFP_KERNEL);
1483 	if (!comp)
1484 		return NULL;
1485 
1486 	/* configure comp new IPC message */
1487 	comp->hdr.size = total_size;
1488 	comp->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1489 	comp->id = swidget->comp_id;
1490 	comp->pipeline_id = index;
1491 	comp->core = swidget->core;
1492 
1493 	/* handle the extended data if needed */
1494 	if (total_size > *ipc_size) {
1495 		/* append extended data to the end of the component */
1496 		memcpy((u8 *)comp + *ipc_size, &swidget->comp_ext, sizeof(swidget->comp_ext));
1497 		comp->ext_data_length = sizeof(swidget->comp_ext);
1498 	}
1499 
1500 	/* update ipc_size and return */
1501 	*ipc_size = total_size;
1502 	return comp;
1503 }
1504 
1505 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1506 			       struct snd_sof_widget *swidget,
1507 			       struct snd_soc_tplg_dapm_widget *tw,
1508 			       struct sof_ipc_comp_reply *r,
1509 			       struct snd_sof_dai *dai)
1510 {
1511 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1512 	struct snd_soc_tplg_private *private = &tw->priv;
1513 	struct sof_ipc_comp_dai *comp_dai;
1514 	size_t ipc_size = sizeof(*comp_dai);
1515 	int ret;
1516 
1517 	comp_dai = (struct sof_ipc_comp_dai *)
1518 		   sof_comp_alloc(swidget, &ipc_size, index);
1519 	if (!comp_dai)
1520 		return -ENOMEM;
1521 
1522 	/* configure dai IPC message */
1523 	comp_dai->comp.type = SOF_COMP_DAI;
1524 	comp_dai->config.hdr.size = sizeof(comp_dai->config);
1525 
1526 	ret = sof_parse_tokens(scomp, comp_dai, dai_tokens,
1527 			       ARRAY_SIZE(dai_tokens), private->array,
1528 			       le32_to_cpu(private->size));
1529 	if (ret != 0) {
1530 		dev_err(scomp->dev, "error: parse dai tokens failed %d\n",
1531 			le32_to_cpu(private->size));
1532 		goto finish;
1533 	}
1534 
1535 	ret = sof_parse_tokens(scomp, &comp_dai->config, comp_tokens,
1536 			       ARRAY_SIZE(comp_tokens), private->array,
1537 			       le32_to_cpu(private->size));
1538 	if (ret != 0) {
1539 		dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n",
1540 			private->size);
1541 		goto finish;
1542 	}
1543 
1544 	dev_dbg(scomp->dev, "dai %s: type %d index %d\n",
1545 		swidget->widget->name, comp_dai->type, comp_dai->dai_index);
1546 	sof_dbg_comp_config(scomp, &comp_dai->config);
1547 
1548 	ret = sof_ipc_tx_message(sdev->ipc, comp_dai->comp.hdr.cmd,
1549 				 comp_dai, ipc_size, r, sizeof(*r));
1550 
1551 	if (ret == 0 && dai) {
1552 		dai->scomp = scomp;
1553 
1554 		/*
1555 		 * copy only the sof_ipc_comp_dai to avoid collapsing
1556 		 * the snd_sof_dai, the extended data is kept in the
1557 		 * snd_sof_widget.
1558 		 */
1559 		memcpy(&dai->comp_dai, comp_dai, sizeof(*comp_dai));
1560 	}
1561 
1562 finish:
1563 	kfree(comp_dai);
1564 	return ret;
1565 }
1566 
1567 /*
1568  * Buffer topology
1569  */
1570 
1571 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1572 				  struct snd_sof_widget *swidget,
1573 				  struct snd_soc_tplg_dapm_widget *tw,
1574 				  struct sof_ipc_comp_reply *r)
1575 {
1576 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1577 	struct snd_soc_tplg_private *private = &tw->priv;
1578 	struct sof_ipc_buffer *buffer;
1579 	int ret;
1580 
1581 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1582 	if (!buffer)
1583 		return -ENOMEM;
1584 
1585 	/* configure dai IPC message */
1586 	buffer->comp.hdr.size = sizeof(*buffer);
1587 	buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1588 	buffer->comp.id = swidget->comp_id;
1589 	buffer->comp.type = SOF_COMP_BUFFER;
1590 	buffer->comp.pipeline_id = index;
1591 	buffer->comp.core = swidget->core;
1592 
1593 	ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1594 			       ARRAY_SIZE(buffer_tokens), private->array,
1595 			       le32_to_cpu(private->size));
1596 	if (ret != 0) {
1597 		dev_err(scomp->dev, "error: parse buffer tokens failed %d\n",
1598 			private->size);
1599 		kfree(buffer);
1600 		return ret;
1601 	}
1602 
1603 	dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n",
1604 		swidget->widget->name, buffer->size, buffer->caps);
1605 
1606 	swidget->private = buffer;
1607 
1608 	ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1609 				 sizeof(*buffer), r, sizeof(*r));
1610 	if (ret < 0) {
1611 		dev_err(scomp->dev, "error: buffer %s load failed\n",
1612 			swidget->widget->name);
1613 		kfree(buffer);
1614 	}
1615 
1616 	return ret;
1617 }
1618 
1619 /* bind PCM ID to host component ID */
1620 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
1621 		     int dir)
1622 {
1623 	struct snd_sof_widget *host_widget;
1624 
1625 	host_widget = snd_sof_find_swidget_sname(scomp,
1626 						 spcm->pcm.caps[dir].name,
1627 						 dir);
1628 	if (!host_widget) {
1629 		dev_err(scomp->dev, "can't find host comp to bind pcm\n");
1630 		return -EINVAL;
1631 	}
1632 
1633 	spcm->stream[dir].comp_id = host_widget->comp_id;
1634 
1635 	return 0;
1636 }
1637 
1638 /*
1639  * PCM Topology
1640  */
1641 
1642 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1643 			       struct snd_sof_widget *swidget,
1644 			       enum sof_ipc_stream_direction dir,
1645 			       struct snd_soc_tplg_dapm_widget *tw,
1646 			       struct sof_ipc_comp_reply *r)
1647 {
1648 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1649 	struct snd_soc_tplg_private *private = &tw->priv;
1650 	struct sof_ipc_comp_host *host;
1651 	size_t ipc_size = sizeof(*host);
1652 	int ret;
1653 
1654 	host = (struct sof_ipc_comp_host *)
1655 	       sof_comp_alloc(swidget, &ipc_size, index);
1656 	if (!host)
1657 		return -ENOMEM;
1658 
1659 	/* configure host comp IPC message */
1660 	host->comp.type = SOF_COMP_HOST;
1661 	host->direction = dir;
1662 	host->config.hdr.size = sizeof(host->config);
1663 
1664 	ret = sof_parse_tokens(scomp, host, pcm_tokens,
1665 			       ARRAY_SIZE(pcm_tokens), private->array,
1666 			       le32_to_cpu(private->size));
1667 	if (ret != 0) {
1668 		dev_err(scomp->dev, "error: parse host tokens failed %d\n",
1669 			private->size);
1670 		goto err;
1671 	}
1672 
1673 	ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1674 			       ARRAY_SIZE(comp_tokens), private->array,
1675 			       le32_to_cpu(private->size));
1676 	if (ret != 0) {
1677 		dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n",
1678 			le32_to_cpu(private->size));
1679 		goto err;
1680 	}
1681 
1682 	dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name);
1683 	sof_dbg_comp_config(scomp, &host->config);
1684 
1685 	swidget->private = host;
1686 
1687 	ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1688 				 ipc_size, r, sizeof(*r));
1689 	if (ret >= 0)
1690 		return ret;
1691 err:
1692 	kfree(host);
1693 	return ret;
1694 }
1695 
1696 /*
1697  * Pipeline Topology
1698  */
1699 int sof_load_pipeline_ipc(struct device *dev,
1700 			  struct sof_ipc_pipe_new *pipeline,
1701 			  struct sof_ipc_comp_reply *r)
1702 {
1703 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
1704 	int ret = sof_core_enable(sdev, pipeline->core);
1705 
1706 	if (ret < 0)
1707 		return ret;
1708 
1709 	ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1710 				 sizeof(*pipeline), r, sizeof(*r));
1711 	if (ret < 0)
1712 		dev_err(dev, "error: load pipeline ipc failure\n");
1713 
1714 	return ret;
1715 }
1716 
1717 static int sof_widget_load_pipeline(struct snd_soc_component *scomp, int index,
1718 				    struct snd_sof_widget *swidget,
1719 				    struct snd_soc_tplg_dapm_widget *tw,
1720 				    struct sof_ipc_comp_reply *r)
1721 {
1722 	struct snd_soc_tplg_private *private = &tw->priv;
1723 	struct sof_ipc_pipe_new *pipeline;
1724 	struct snd_sof_widget *comp_swidget;
1725 	int ret;
1726 
1727 	pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1728 	if (!pipeline)
1729 		return -ENOMEM;
1730 
1731 	/* configure dai IPC message */
1732 	pipeline->hdr.size = sizeof(*pipeline);
1733 	pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1734 	pipeline->pipeline_id = index;
1735 	pipeline->comp_id = swidget->comp_id;
1736 
1737 	/* component at start of pipeline is our stream id */
1738 	comp_swidget = snd_sof_find_swidget(scomp, tw->sname);
1739 	if (!comp_swidget) {
1740 		dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n",
1741 			tw->name, tw->sname);
1742 		ret = -EINVAL;
1743 		goto err;
1744 	}
1745 
1746 	pipeline->sched_id = comp_swidget->comp_id;
1747 
1748 	dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1749 		pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1750 
1751 	ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1752 			       ARRAY_SIZE(sched_tokens), private->array,
1753 			       le32_to_cpu(private->size));
1754 	if (ret != 0) {
1755 		dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n",
1756 			private->size);
1757 		goto err;
1758 	}
1759 
1760 	dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1761 		swidget->widget->name, pipeline->period, pipeline->priority,
1762 		pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1763 
1764 	swidget->private = pipeline;
1765 
1766 	/* send ipc's to create pipeline comp and power up schedule core */
1767 	ret = sof_load_pipeline_ipc(scomp->dev, pipeline, r);
1768 	if (ret >= 0)
1769 		return ret;
1770 err:
1771 	kfree(pipeline);
1772 	return ret;
1773 }
1774 
1775 /*
1776  * Mixer topology
1777  */
1778 
1779 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1780 				 struct snd_sof_widget *swidget,
1781 				 struct snd_soc_tplg_dapm_widget *tw,
1782 				 struct sof_ipc_comp_reply *r)
1783 {
1784 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1785 	struct snd_soc_tplg_private *private = &tw->priv;
1786 	struct sof_ipc_comp_mixer *mixer;
1787 	size_t ipc_size = sizeof(*mixer);
1788 	int ret;
1789 
1790 	mixer = (struct sof_ipc_comp_mixer *)
1791 		sof_comp_alloc(swidget, &ipc_size, index);
1792 	if (!mixer)
1793 		return -ENOMEM;
1794 
1795 	/* configure mixer IPC message */
1796 	mixer->comp.type = SOF_COMP_MIXER;
1797 	mixer->config.hdr.size = sizeof(mixer->config);
1798 
1799 	ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1800 			       ARRAY_SIZE(comp_tokens), private->array,
1801 			       le32_to_cpu(private->size));
1802 	if (ret != 0) {
1803 		dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n",
1804 			private->size);
1805 		kfree(mixer);
1806 		return ret;
1807 	}
1808 
1809 	sof_dbg_comp_config(scomp, &mixer->config);
1810 
1811 	swidget->private = mixer;
1812 
1813 	ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1814 				 ipc_size, r, sizeof(*r));
1815 	if (ret < 0)
1816 		kfree(mixer);
1817 
1818 	return ret;
1819 }
1820 
1821 /*
1822  * Mux topology
1823  */
1824 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1825 			       struct snd_sof_widget *swidget,
1826 			       struct snd_soc_tplg_dapm_widget *tw,
1827 			       struct sof_ipc_comp_reply *r)
1828 {
1829 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1830 	struct snd_soc_tplg_private *private = &tw->priv;
1831 	struct sof_ipc_comp_mux *mux;
1832 	size_t ipc_size = sizeof(*mux);
1833 	int ret;
1834 
1835 	mux = (struct sof_ipc_comp_mux *)
1836 	      sof_comp_alloc(swidget, &ipc_size, index);
1837 	if (!mux)
1838 		return -ENOMEM;
1839 
1840 	/* configure mux IPC message */
1841 	mux->comp.type = SOF_COMP_MUX;
1842 	mux->config.hdr.size = sizeof(mux->config);
1843 
1844 	ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1845 			       ARRAY_SIZE(comp_tokens), private->array,
1846 			       le32_to_cpu(private->size));
1847 	if (ret != 0) {
1848 		dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n",
1849 			private->size);
1850 		kfree(mux);
1851 		return ret;
1852 	}
1853 
1854 	sof_dbg_comp_config(scomp, &mux->config);
1855 
1856 	swidget->private = mux;
1857 
1858 	ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1859 				 ipc_size, r, sizeof(*r));
1860 	if (ret < 0)
1861 		kfree(mux);
1862 
1863 	return ret;
1864 }
1865 
1866 /*
1867  * PGA Topology
1868  */
1869 
1870 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1871 			       struct snd_sof_widget *swidget,
1872 			       struct snd_soc_tplg_dapm_widget *tw,
1873 			       struct sof_ipc_comp_reply *r)
1874 {
1875 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1876 	struct snd_soc_tplg_private *private = &tw->priv;
1877 	struct sof_ipc_comp_volume *volume;
1878 	struct snd_sof_control *scontrol;
1879 	size_t ipc_size = sizeof(*volume);
1880 	int min_step;
1881 	int max_step;
1882 	int ret;
1883 
1884 	volume = (struct sof_ipc_comp_volume *)
1885 		 sof_comp_alloc(swidget, &ipc_size, index);
1886 	if (!volume)
1887 		return -ENOMEM;
1888 
1889 	if (!le32_to_cpu(tw->num_kcontrols)) {
1890 		dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n",
1891 			tw->num_kcontrols);
1892 		ret = -EINVAL;
1893 		goto err;
1894 	}
1895 
1896 	/* configure volume IPC message */
1897 	volume->comp.type = SOF_COMP_VOLUME;
1898 	volume->config.hdr.size = sizeof(volume->config);
1899 
1900 	ret = sof_parse_tokens(scomp, volume, volume_tokens,
1901 			       ARRAY_SIZE(volume_tokens), private->array,
1902 			       le32_to_cpu(private->size));
1903 	if (ret != 0) {
1904 		dev_err(scomp->dev, "error: parse volume tokens failed %d\n",
1905 			private->size);
1906 		goto err;
1907 	}
1908 	ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1909 			       ARRAY_SIZE(comp_tokens), private->array,
1910 			       le32_to_cpu(private->size));
1911 	if (ret != 0) {
1912 		dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n",
1913 			le32_to_cpu(private->size));
1914 		goto err;
1915 	}
1916 
1917 	sof_dbg_comp_config(scomp, &volume->config);
1918 
1919 	swidget->private = volume;
1920 
1921 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1922 		if (scontrol->comp_id == swidget->comp_id &&
1923 		    scontrol->volume_table) {
1924 			min_step = scontrol->min_volume_step;
1925 			max_step = scontrol->max_volume_step;
1926 			volume->min_value = scontrol->volume_table[min_step];
1927 			volume->max_value = scontrol->volume_table[max_step];
1928 			volume->channels = scontrol->num_channels;
1929 			break;
1930 		}
1931 	}
1932 
1933 	ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1934 				 ipc_size, r, sizeof(*r));
1935 	if (ret >= 0)
1936 		return ret;
1937 err:
1938 	kfree(volume);
1939 	return ret;
1940 }
1941 
1942 /*
1943  * SRC Topology
1944  */
1945 
1946 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1947 			       struct snd_sof_widget *swidget,
1948 			       struct snd_soc_tplg_dapm_widget *tw,
1949 			       struct sof_ipc_comp_reply *r)
1950 {
1951 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1952 	struct snd_soc_tplg_private *private = &tw->priv;
1953 	struct sof_ipc_comp_src *src;
1954 	size_t ipc_size = sizeof(*src);
1955 	int ret;
1956 
1957 	src = (struct sof_ipc_comp_src *)
1958 	      sof_comp_alloc(swidget, &ipc_size, index);
1959 	if (!src)
1960 		return -ENOMEM;
1961 
1962 	/* configure src IPC message */
1963 	src->comp.type = SOF_COMP_SRC;
1964 	src->config.hdr.size = sizeof(src->config);
1965 
1966 	ret = sof_parse_tokens(scomp, src, src_tokens,
1967 			       ARRAY_SIZE(src_tokens), private->array,
1968 			       le32_to_cpu(private->size));
1969 	if (ret != 0) {
1970 		dev_err(scomp->dev, "error: parse src tokens failed %d\n",
1971 			private->size);
1972 		goto err;
1973 	}
1974 
1975 	ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1976 			       ARRAY_SIZE(comp_tokens), private->array,
1977 			       le32_to_cpu(private->size));
1978 	if (ret != 0) {
1979 		dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n",
1980 			le32_to_cpu(private->size));
1981 		goto err;
1982 	}
1983 
1984 	dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n",
1985 		swidget->widget->name, src->source_rate, src->sink_rate);
1986 	sof_dbg_comp_config(scomp, &src->config);
1987 
1988 	swidget->private = src;
1989 
1990 	ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1991 				 ipc_size, r, sizeof(*r));
1992 	if (ret >= 0)
1993 		return ret;
1994 err:
1995 	kfree(src);
1996 	return ret;
1997 }
1998 
1999 /*
2000  * ASRC Topology
2001  */
2002 
2003 static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index,
2004 				struct snd_sof_widget *swidget,
2005 				struct snd_soc_tplg_dapm_widget *tw,
2006 				struct sof_ipc_comp_reply *r)
2007 {
2008 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2009 	struct snd_soc_tplg_private *private = &tw->priv;
2010 	struct sof_ipc_comp_asrc *asrc;
2011 	size_t ipc_size = sizeof(*asrc);
2012 	int ret;
2013 
2014 	asrc = (struct sof_ipc_comp_asrc *)
2015 	       sof_comp_alloc(swidget, &ipc_size, index);
2016 	if (!asrc)
2017 		return -ENOMEM;
2018 
2019 	/* configure ASRC IPC message */
2020 	asrc->comp.type = SOF_COMP_ASRC;
2021 	asrc->config.hdr.size = sizeof(asrc->config);
2022 
2023 	ret = sof_parse_tokens(scomp, asrc, asrc_tokens,
2024 			       ARRAY_SIZE(asrc_tokens), private->array,
2025 			       le32_to_cpu(private->size));
2026 	if (ret != 0) {
2027 		dev_err(scomp->dev, "error: parse asrc tokens failed %d\n",
2028 			private->size);
2029 		goto err;
2030 	}
2031 
2032 	ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens,
2033 			       ARRAY_SIZE(comp_tokens), private->array,
2034 			       le32_to_cpu(private->size));
2035 	if (ret != 0) {
2036 		dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n",
2037 			le32_to_cpu(private->size));
2038 		goto err;
2039 	}
2040 
2041 	dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d "
2042 		"asynch %d operation %d\n",
2043 		swidget->widget->name, asrc->source_rate, asrc->sink_rate,
2044 		asrc->asynchronous_mode, asrc->operation_mode);
2045 	sof_dbg_comp_config(scomp, &asrc->config);
2046 
2047 	swidget->private = asrc;
2048 
2049 	ret = sof_ipc_tx_message(sdev->ipc, asrc->comp.hdr.cmd, asrc,
2050 				 ipc_size, r, sizeof(*r));
2051 	if (ret >= 0)
2052 		return ret;
2053 err:
2054 	kfree(asrc);
2055 	return ret;
2056 }
2057 
2058 /*
2059  * Signal Generator Topology
2060  */
2061 
2062 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
2063 				  struct snd_sof_widget *swidget,
2064 				  struct snd_soc_tplg_dapm_widget *tw,
2065 				  struct sof_ipc_comp_reply *r)
2066 {
2067 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2068 	struct snd_soc_tplg_private *private = &tw->priv;
2069 	struct sof_ipc_comp_tone *tone;
2070 	size_t ipc_size = sizeof(*tone);
2071 	int ret;
2072 
2073 	tone = (struct sof_ipc_comp_tone *)
2074 	       sof_comp_alloc(swidget, &ipc_size, index);
2075 	if (!tone)
2076 		return -ENOMEM;
2077 
2078 	/* configure siggen IPC message */
2079 	tone->comp.type = SOF_COMP_TONE;
2080 	tone->config.hdr.size = sizeof(tone->config);
2081 
2082 	ret = sof_parse_tokens(scomp, tone, tone_tokens,
2083 			       ARRAY_SIZE(tone_tokens), private->array,
2084 			       le32_to_cpu(private->size));
2085 	if (ret != 0) {
2086 		dev_err(scomp->dev, "error: parse tone tokens failed %d\n",
2087 			le32_to_cpu(private->size));
2088 		goto err;
2089 	}
2090 
2091 	ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
2092 			       ARRAY_SIZE(comp_tokens), private->array,
2093 			       le32_to_cpu(private->size));
2094 	if (ret != 0) {
2095 		dev_err(scomp->dev, "error: parse tone.cfg tokens failed %d\n",
2096 			le32_to_cpu(private->size));
2097 		goto err;
2098 	}
2099 
2100 	dev_dbg(scomp->dev, "tone %s: frequency %d amplitude %d\n",
2101 		swidget->widget->name, tone->frequency, tone->amplitude);
2102 	sof_dbg_comp_config(scomp, &tone->config);
2103 
2104 	swidget->private = tone;
2105 
2106 	ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
2107 				 ipc_size, r, sizeof(*r));
2108 	if (ret >= 0)
2109 		return ret;
2110 err:
2111 	kfree(tone);
2112 	return ret;
2113 }
2114 
2115 static int sof_get_control_data(struct snd_soc_component *scomp,
2116 				struct snd_soc_dapm_widget *widget,
2117 				struct sof_widget_data *wdata,
2118 				size_t *size)
2119 {
2120 	const struct snd_kcontrol_new *kc;
2121 	struct soc_mixer_control *sm;
2122 	struct soc_bytes_ext *sbe;
2123 	struct soc_enum *se;
2124 	int i;
2125 
2126 	*size = 0;
2127 
2128 	for (i = 0; i < widget->num_kcontrols; i++) {
2129 		kc = &widget->kcontrol_news[i];
2130 
2131 		switch (widget->dobj.widget.kcontrol_type) {
2132 		case SND_SOC_TPLG_TYPE_MIXER:
2133 			sm = (struct soc_mixer_control *)kc->private_value;
2134 			wdata[i].control = sm->dobj.private;
2135 			break;
2136 		case SND_SOC_TPLG_TYPE_BYTES:
2137 			sbe = (struct soc_bytes_ext *)kc->private_value;
2138 			wdata[i].control = sbe->dobj.private;
2139 			break;
2140 		case SND_SOC_TPLG_TYPE_ENUM:
2141 			se = (struct soc_enum *)kc->private_value;
2142 			wdata[i].control = se->dobj.private;
2143 			break;
2144 		default:
2145 			dev_err(scomp->dev, "error: unknown kcontrol type %d in widget %s\n",
2146 				widget->dobj.widget.kcontrol_type,
2147 				widget->name);
2148 			return -EINVAL;
2149 		}
2150 
2151 		if (!wdata[i].control) {
2152 			dev_err(scomp->dev, "error: no scontrol for widget %s\n",
2153 				widget->name);
2154 			return -EINVAL;
2155 		}
2156 
2157 		wdata[i].pdata = wdata[i].control->control_data->data;
2158 		if (!wdata[i].pdata)
2159 			return -EINVAL;
2160 
2161 		/* make sure data is valid - data can be updated at runtime */
2162 		if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
2163 			return -EINVAL;
2164 
2165 		*size += wdata[i].pdata->size;
2166 
2167 		/* get data type */
2168 		switch (wdata[i].control->cmd) {
2169 		case SOF_CTRL_CMD_VOLUME:
2170 		case SOF_CTRL_CMD_ENUM:
2171 		case SOF_CTRL_CMD_SWITCH:
2172 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
2173 			wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
2174 			break;
2175 		case SOF_CTRL_CMD_BINARY:
2176 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
2177 			wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
2178 			break;
2179 		default:
2180 			break;
2181 		}
2182 	}
2183 
2184 	return 0;
2185 }
2186 
2187 static int sof_process_load(struct snd_soc_component *scomp, int index,
2188 			    struct snd_sof_widget *swidget,
2189 			    struct snd_soc_tplg_dapm_widget *tw,
2190 			    struct sof_ipc_comp_reply *r,
2191 			    int type)
2192 {
2193 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2194 	struct snd_soc_dapm_widget *widget = swidget->widget;
2195 	struct snd_soc_tplg_private *private = &tw->priv;
2196 	struct sof_ipc_comp_process *process;
2197 	struct sof_widget_data *wdata = NULL;
2198 	size_t ipc_data_size = 0;
2199 	size_t ipc_size;
2200 	int offset = 0;
2201 	int ret;
2202 	int i;
2203 
2204 	/* allocate struct for widget control data sizes and types */
2205 	if (widget->num_kcontrols) {
2206 		wdata = kcalloc(widget->num_kcontrols,
2207 				sizeof(*wdata),
2208 				GFP_KERNEL);
2209 
2210 		if (!wdata)
2211 			return -ENOMEM;
2212 
2213 		/* get possible component controls and get size of all pdata */
2214 		ret = sof_get_control_data(scomp, widget, wdata,
2215 					   &ipc_data_size);
2216 
2217 		if (ret < 0)
2218 			goto out;
2219 	}
2220 
2221 	ipc_size = sizeof(struct sof_ipc_comp_process) + ipc_data_size;
2222 
2223 	/* we are exceeding max ipc size, config needs to be sent separately */
2224 	if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
2225 		ipc_size -= ipc_data_size;
2226 		ipc_data_size = 0;
2227 	}
2228 
2229 	process = (struct sof_ipc_comp_process *)
2230 		  sof_comp_alloc(swidget, &ipc_size, index);
2231 	if (!process) {
2232 		ret = -ENOMEM;
2233 		goto out;
2234 	}
2235 
2236 	/* configure iir IPC message */
2237 	process->comp.type = type;
2238 	process->config.hdr.size = sizeof(process->config);
2239 
2240 	ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
2241 			       ARRAY_SIZE(comp_tokens), private->array,
2242 			       le32_to_cpu(private->size));
2243 	if (ret != 0) {
2244 		dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n",
2245 			le32_to_cpu(private->size));
2246 		goto err;
2247 	}
2248 
2249 	sof_dbg_comp_config(scomp, &process->config);
2250 
2251 	/*
2252 	 * found private data in control, so copy it.
2253 	 * get possible component controls - get size of all pdata,
2254 	 * then memcpy with headers
2255 	 */
2256 	if (ipc_data_size) {
2257 		for (i = 0; i < widget->num_kcontrols; i++) {
2258 			memcpy(&process->data + offset,
2259 			       wdata[i].pdata->data,
2260 			       wdata[i].pdata->size);
2261 			offset += wdata[i].pdata->size;
2262 		}
2263 	}
2264 
2265 	process->size = ipc_data_size;
2266 	swidget->private = process;
2267 
2268 	ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
2269 				 ipc_size, r, sizeof(*r));
2270 
2271 	if (ret < 0) {
2272 		dev_err(scomp->dev, "error: create process failed\n");
2273 		goto err;
2274 	}
2275 
2276 	/* we sent the data in single message so return */
2277 	if (ipc_data_size)
2278 		goto out;
2279 
2280 	/* send control data with large message supported method */
2281 	for (i = 0; i < widget->num_kcontrols; i++) {
2282 		wdata[i].control->readback_offset = 0;
2283 		ret = snd_sof_ipc_set_get_comp_data(wdata[i].control,
2284 						    wdata[i].ipc_cmd,
2285 						    wdata[i].ctrl_type,
2286 						    wdata[i].control->cmd,
2287 						    true);
2288 		if (ret != 0) {
2289 			dev_err(scomp->dev, "error: send control failed\n");
2290 			break;
2291 		}
2292 	}
2293 
2294 err:
2295 	if (ret < 0)
2296 		kfree(process);
2297 out:
2298 	kfree(wdata);
2299 	return ret;
2300 }
2301 
2302 /*
2303  * Processing Component Topology - can be "effect", "codec", or general
2304  * "processing".
2305  */
2306 
2307 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
2308 				   struct snd_sof_widget *swidget,
2309 				   struct snd_soc_tplg_dapm_widget *tw,
2310 				   struct sof_ipc_comp_reply *r)
2311 {
2312 	struct snd_soc_tplg_private *private = &tw->priv;
2313 	struct sof_ipc_comp_process config;
2314 	int ret;
2315 
2316 	/* check we have some tokens - we need at least process type */
2317 	if (le32_to_cpu(private->size) == 0) {
2318 		dev_err(scomp->dev, "error: process tokens not found\n");
2319 		return -EINVAL;
2320 	}
2321 
2322 	memset(&config, 0, sizeof(config));
2323 	config.comp.core = swidget->core;
2324 
2325 	/* get the process token */
2326 	ret = sof_parse_tokens(scomp, &config, process_tokens,
2327 			       ARRAY_SIZE(process_tokens), private->array,
2328 			       le32_to_cpu(private->size));
2329 	if (ret != 0) {
2330 		dev_err(scomp->dev, "error: parse process tokens failed %d\n",
2331 			le32_to_cpu(private->size));
2332 		return ret;
2333 	}
2334 
2335 	/* now load process specific data and send IPC */
2336 	ret = sof_process_load(scomp, index, swidget, tw, r,
2337 			       find_process_comp_type(config.type));
2338 	if (ret < 0) {
2339 		dev_err(scomp->dev, "error: process loading failed\n");
2340 		return ret;
2341 	}
2342 
2343 	return 0;
2344 }
2345 
2346 static int sof_widget_bind_event(struct snd_soc_component *scomp,
2347 				 struct snd_sof_widget *swidget,
2348 				 u16 event_type)
2349 {
2350 	struct sof_ipc_comp *ipc_comp;
2351 
2352 	/* validate widget event type */
2353 	switch (event_type) {
2354 	case SOF_KEYWORD_DETECT_DAPM_EVENT:
2355 		/* only KEYWORD_DETECT comps should handle this */
2356 		if (swidget->id != snd_soc_dapm_effect)
2357 			break;
2358 
2359 		ipc_comp = swidget->private;
2360 		if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2361 			break;
2362 
2363 		/* bind event to keyword detect comp */
2364 		return snd_soc_tplg_widget_bind_event(swidget->widget,
2365 						      sof_kwd_events,
2366 						      ARRAY_SIZE(sof_kwd_events),
2367 						      event_type);
2368 	default:
2369 		break;
2370 	}
2371 
2372 	dev_err(scomp->dev,
2373 		"error: invalid event type %d for widget %s\n",
2374 		event_type, swidget->widget->name);
2375 	return -EINVAL;
2376 }
2377 
2378 /* external widget init - used for any driver specific init */
2379 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2380 			    struct snd_soc_dapm_widget *w,
2381 			    struct snd_soc_tplg_dapm_widget *tw)
2382 {
2383 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2384 	struct snd_sof_widget *swidget;
2385 	struct snd_sof_dai *dai;
2386 	struct sof_ipc_comp_reply reply;
2387 	struct snd_sof_control *scontrol;
2388 	struct sof_ipc_comp comp = {
2389 		.core = SOF_DSP_PRIMARY_CORE,
2390 	};
2391 	int ret = 0;
2392 
2393 	swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2394 	if (!swidget)
2395 		return -ENOMEM;
2396 
2397 	swidget->scomp = scomp;
2398 	swidget->widget = w;
2399 	swidget->comp_id = sdev->next_comp_id++;
2400 	swidget->complete = 0;
2401 	swidget->id = w->id;
2402 	swidget->pipeline_id = index;
2403 	swidget->private = NULL;
2404 	memset(&reply, 0, sizeof(reply));
2405 
2406 	dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2407 		swidget->comp_id, index, swidget->id, tw->name,
2408 		strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2409 			? tw->sname : "none");
2410 
2411 	ret = sof_parse_tokens(scomp, &comp, core_tokens,
2412 			       ARRAY_SIZE(core_tokens), tw->priv.array,
2413 			       le32_to_cpu(tw->priv.size));
2414 	if (ret != 0) {
2415 		dev_err(scomp->dev, "error: parsing core tokens failed %d\n",
2416 			ret);
2417 		kfree(swidget);
2418 		return ret;
2419 	}
2420 
2421 	swidget->core = comp.core;
2422 
2423 	/* default is primary core, safe to call for already enabled cores */
2424 	ret = sof_core_enable(sdev, comp.core);
2425 	if (ret < 0) {
2426 		dev_err(scomp->dev, "error: enable core: %d\n", ret);
2427 		kfree(swidget);
2428 		return ret;
2429 	}
2430 
2431 	ret = sof_parse_tokens(scomp, &swidget->comp_ext, comp_ext_tokens,
2432 			       ARRAY_SIZE(comp_ext_tokens), tw->priv.array,
2433 			       le32_to_cpu(tw->priv.size));
2434 	if (ret != 0) {
2435 		dev_err(scomp->dev, "error: parsing comp_ext_tokens failed %d\n",
2436 			ret);
2437 		kfree(swidget);
2438 		return ret;
2439 	}
2440 
2441 	/* handle any special case widgets */
2442 	switch (w->id) {
2443 	case snd_soc_dapm_dai_in:
2444 	case snd_soc_dapm_dai_out:
2445 		dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2446 		if (!dai) {
2447 			kfree(swidget);
2448 			return -ENOMEM;
2449 		}
2450 
2451 		ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply, dai);
2452 		if (ret == 0) {
2453 			sof_connect_dai_widget(scomp, w, tw, dai);
2454 			list_add(&dai->list, &sdev->dai_list);
2455 			swidget->private = dai;
2456 		} else {
2457 			kfree(dai);
2458 		}
2459 		break;
2460 	case snd_soc_dapm_mixer:
2461 		ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2462 		break;
2463 	case snd_soc_dapm_pga:
2464 		ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2465 		/* Find scontrol for this pga and set readback offset*/
2466 		list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2467 			if (scontrol->comp_id == swidget->comp_id) {
2468 				scontrol->readback_offset = reply.offset;
2469 				break;
2470 			}
2471 		}
2472 		break;
2473 	case snd_soc_dapm_buffer:
2474 		ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2475 		break;
2476 	case snd_soc_dapm_scheduler:
2477 		ret = sof_widget_load_pipeline(scomp, index, swidget, tw, &reply);
2478 		break;
2479 	case snd_soc_dapm_aif_out:
2480 		ret = sof_widget_load_pcm(scomp, index, swidget,
2481 					  SOF_IPC_STREAM_CAPTURE, tw, &reply);
2482 		break;
2483 	case snd_soc_dapm_aif_in:
2484 		ret = sof_widget_load_pcm(scomp, index, swidget,
2485 					  SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2486 		break;
2487 	case snd_soc_dapm_src:
2488 		ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2489 		break;
2490 	case snd_soc_dapm_asrc:
2491 		ret = sof_widget_load_asrc(scomp, index, swidget, tw, &reply);
2492 		break;
2493 	case snd_soc_dapm_siggen:
2494 		ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2495 		break;
2496 	case snd_soc_dapm_effect:
2497 		ret = sof_widget_load_process(scomp, index, swidget, tw, &reply);
2498 		break;
2499 	case snd_soc_dapm_mux:
2500 	case snd_soc_dapm_demux:
2501 		ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2502 		break;
2503 	case snd_soc_dapm_switch:
2504 	case snd_soc_dapm_dai_link:
2505 	case snd_soc_dapm_kcontrol:
2506 	default:
2507 		dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name);
2508 		break;
2509 	}
2510 
2511 	/* check IPC reply */
2512 	if (ret < 0 || reply.rhdr.error < 0) {
2513 		dev_err(scomp->dev,
2514 			"error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2515 			tw->shift, swidget->id, tw->name,
2516 			strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2517 				? tw->sname : "none", reply.rhdr.error);
2518 		kfree(swidget);
2519 		return ret;
2520 	}
2521 
2522 	/* bind widget to external event */
2523 	if (tw->event_type) {
2524 		ret = sof_widget_bind_event(scomp, swidget,
2525 					    le16_to_cpu(tw->event_type));
2526 		if (ret) {
2527 			dev_err(scomp->dev, "error: widget event binding failed\n");
2528 			kfree(swidget->private);
2529 			kfree(swidget);
2530 			return ret;
2531 		}
2532 	}
2533 
2534 	w->dobj.private = swidget;
2535 	list_add(&swidget->list, &sdev->widget_list);
2536 	return ret;
2537 }
2538 
2539 static int sof_route_unload(struct snd_soc_component *scomp,
2540 			    struct snd_soc_dobj *dobj)
2541 {
2542 	struct snd_sof_route *sroute;
2543 
2544 	sroute = dobj->private;
2545 	if (!sroute)
2546 		return 0;
2547 
2548 	/* free sroute and its private data */
2549 	kfree(sroute->private);
2550 	list_del(&sroute->list);
2551 	kfree(sroute);
2552 
2553 	return 0;
2554 }
2555 
2556 static int sof_widget_unload(struct snd_soc_component *scomp,
2557 			     struct snd_soc_dobj *dobj)
2558 {
2559 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2560 	const struct snd_kcontrol_new *kc;
2561 	struct snd_soc_dapm_widget *widget;
2562 	struct sof_ipc_pipe_new *pipeline;
2563 	struct snd_sof_control *scontrol;
2564 	struct snd_sof_widget *swidget;
2565 	struct soc_mixer_control *sm;
2566 	struct soc_bytes_ext *sbe;
2567 	struct snd_sof_dai *dai;
2568 	struct soc_enum *se;
2569 	int ret = 0;
2570 	int i;
2571 
2572 	swidget = dobj->private;
2573 	if (!swidget)
2574 		return 0;
2575 
2576 	widget = swidget->widget;
2577 
2578 	switch (swidget->id) {
2579 	case snd_soc_dapm_dai_in:
2580 	case snd_soc_dapm_dai_out:
2581 		dai = swidget->private;
2582 
2583 		if (dai) {
2584 			/* free dai config */
2585 			kfree(dai->dai_config);
2586 			list_del(&dai->list);
2587 		}
2588 		break;
2589 	case snd_soc_dapm_scheduler:
2590 
2591 		/* power down the pipeline schedule core */
2592 		pipeline = swidget->private;
2593 		ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2594 		if (ret < 0)
2595 			dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n",
2596 				pipeline->core);
2597 
2598 		/* update enabled cores mask */
2599 		sdev->enabled_cores_mask &= ~(1 << pipeline->core);
2600 
2601 		break;
2602 	default:
2603 		break;
2604 	}
2605 	for (i = 0; i < widget->num_kcontrols; i++) {
2606 		kc = &widget->kcontrol_news[i];
2607 		switch (dobj->widget.kcontrol_type) {
2608 		case SND_SOC_TPLG_TYPE_MIXER:
2609 			sm = (struct soc_mixer_control *)kc->private_value;
2610 			scontrol = sm->dobj.private;
2611 			if (sm->max > 1)
2612 				kfree(scontrol->volume_table);
2613 			break;
2614 		case SND_SOC_TPLG_TYPE_ENUM:
2615 			se = (struct soc_enum *)kc->private_value;
2616 			scontrol = se->dobj.private;
2617 			break;
2618 		case SND_SOC_TPLG_TYPE_BYTES:
2619 			sbe = (struct soc_bytes_ext *)kc->private_value;
2620 			scontrol = sbe->dobj.private;
2621 			break;
2622 		default:
2623 			dev_warn(scomp->dev, "unsupported kcontrol_type\n");
2624 			goto out;
2625 		}
2626 		kfree(scontrol->control_data);
2627 		list_del(&scontrol->list);
2628 		kfree(scontrol);
2629 	}
2630 
2631 out:
2632 	/* free private value */
2633 	kfree(swidget->private);
2634 
2635 	/* remove and free swidget object */
2636 	list_del(&swidget->list);
2637 	kfree(swidget);
2638 
2639 	return ret;
2640 }
2641 
2642 /*
2643  * DAI HW configuration.
2644  */
2645 
2646 /* FE DAI - used for any driver specific init */
2647 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2648 			struct snd_soc_dai_driver *dai_drv,
2649 			struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2650 {
2651 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2652 	struct snd_soc_tplg_stream_caps *caps;
2653 	struct snd_soc_tplg_private *private = &pcm->priv;
2654 	struct snd_sof_pcm *spcm;
2655 	int stream;
2656 	int ret;
2657 
2658 	/* nothing to do for BEs atm */
2659 	if (!pcm)
2660 		return 0;
2661 
2662 	spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2663 	if (!spcm)
2664 		return -ENOMEM;
2665 
2666 	spcm->scomp = scomp;
2667 
2668 	for_each_pcm_streams(stream) {
2669 		spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
2670 		INIT_WORK(&spcm->stream[stream].period_elapsed_work,
2671 			  snd_sof_pcm_period_elapsed_work);
2672 	}
2673 
2674 	spcm->pcm = *pcm;
2675 	dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
2676 
2677 	dai_drv->dobj.private = spcm;
2678 	list_add(&spcm->list, &sdev->pcm_list);
2679 
2680 	ret = sof_parse_tokens(scomp, spcm, stream_tokens,
2681 			       ARRAY_SIZE(stream_tokens), private->array,
2682 			       le32_to_cpu(private->size));
2683 	if (ret) {
2684 		dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
2685 			le32_to_cpu(private->size));
2686 		return ret;
2687 	}
2688 
2689 	/* do we need to allocate playback PCM DMA pages */
2690 	if (!spcm->pcm.playback)
2691 		goto capture;
2692 
2693 	stream = SNDRV_PCM_STREAM_PLAYBACK;
2694 
2695 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: playback d0i3:%d\n",
2696 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2697 
2698 	caps = &spcm->pcm.caps[stream];
2699 
2700 	/* allocate playback page table buffer */
2701 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2702 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2703 	if (ret < 0) {
2704 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2705 			caps->name, ret);
2706 
2707 		return ret;
2708 	}
2709 
2710 	/* bind pcm to host comp */
2711 	ret = spcm_bind(scomp, spcm, stream);
2712 	if (ret) {
2713 		dev_err(scomp->dev,
2714 			"error: can't bind pcm to host\n");
2715 		goto free_playback_tables;
2716 	}
2717 
2718 capture:
2719 	stream = SNDRV_PCM_STREAM_CAPTURE;
2720 
2721 	/* do we need to allocate capture PCM DMA pages */
2722 	if (!spcm->pcm.capture)
2723 		return ret;
2724 
2725 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: capture d0i3:%d\n",
2726 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2727 
2728 	caps = &spcm->pcm.caps[stream];
2729 
2730 	/* allocate capture page table buffer */
2731 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2732 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2733 	if (ret < 0) {
2734 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2735 			caps->name, ret);
2736 		goto free_playback_tables;
2737 	}
2738 
2739 	/* bind pcm to host comp */
2740 	ret = spcm_bind(scomp, spcm, stream);
2741 	if (ret) {
2742 		dev_err(scomp->dev,
2743 			"error: can't bind pcm to host\n");
2744 		snd_dma_free_pages(&spcm->stream[stream].page_table);
2745 		goto free_playback_tables;
2746 	}
2747 
2748 	return ret;
2749 
2750 free_playback_tables:
2751 	if (spcm->pcm.playback)
2752 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2753 
2754 	return ret;
2755 }
2756 
2757 static int sof_dai_unload(struct snd_soc_component *scomp,
2758 			  struct snd_soc_dobj *dobj)
2759 {
2760 	struct snd_sof_pcm *spcm = dobj->private;
2761 
2762 	/* free PCM DMA pages */
2763 	if (spcm->pcm.playback)
2764 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2765 
2766 	if (spcm->pcm.capture)
2767 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2768 
2769 	/* remove from list and free spcm */
2770 	list_del(&spcm->list);
2771 	kfree(spcm);
2772 
2773 	return 0;
2774 }
2775 
2776 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2777 			       struct sof_ipc_dai_config *config)
2778 {
2779 	/* clock directions wrt codec */
2780 	if (hw_config->bclk_master == SND_SOC_TPLG_BCLK_CM) {
2781 		/* codec is bclk master */
2782 		if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2783 			config->format |= SOF_DAI_FMT_CBM_CFM;
2784 		else
2785 			config->format |= SOF_DAI_FMT_CBM_CFS;
2786 	} else {
2787 		/* codec is bclk slave */
2788 		if (hw_config->fsync_master == SND_SOC_TPLG_FSYNC_CM)
2789 			config->format |= SOF_DAI_FMT_CBS_CFM;
2790 		else
2791 			config->format |= SOF_DAI_FMT_CBS_CFS;
2792 	}
2793 
2794 	/* inverted clocks ? */
2795 	if (hw_config->invert_bclk) {
2796 		if (hw_config->invert_fsync)
2797 			config->format |= SOF_DAI_FMT_IB_IF;
2798 		else
2799 			config->format |= SOF_DAI_FMT_IB_NF;
2800 	} else {
2801 		if (hw_config->invert_fsync)
2802 			config->format |= SOF_DAI_FMT_NB_IF;
2803 		else
2804 			config->format |= SOF_DAI_FMT_NB_NF;
2805 	}
2806 }
2807 
2808 /*
2809  * Send IPC and set the same config for all DAIs with name matching the link
2810  * name. Note that the function can only be used for the case that all DAIs
2811  * have a common DAI config for now.
2812  */
2813 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2814 			      struct snd_soc_dai_link *link,
2815 			      struct sof_ipc_dai_config *config)
2816 {
2817 	struct snd_sof_dai *dai;
2818 	int found = 0;
2819 
2820 	list_for_each_entry(dai, &sdev->dai_list, list) {
2821 		if (!dai->name)
2822 			continue;
2823 
2824 		if (strcmp(link->name, dai->name) == 0) {
2825 			struct sof_ipc_reply reply;
2826 			int ret;
2827 
2828 			/*
2829 			 * the same dai config will be applied to all DAIs in
2830 			 * the same dai link. We have to ensure that the ipc
2831 			 * dai config's dai_index match to the component's
2832 			 * dai_index.
2833 			 */
2834 			config->dai_index = dai->comp_dai.dai_index;
2835 
2836 			/* send message to DSP */
2837 			ret = sof_ipc_tx_message(sdev->ipc,
2838 						 config->hdr.cmd, config, size,
2839 						 &reply, sizeof(reply));
2840 
2841 			if (ret < 0) {
2842 				dev_err(sdev->dev, "error: failed to set DAI config for %s index %d\n",
2843 					dai->name, config->dai_index);
2844 				return ret;
2845 			}
2846 			dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2847 			if (!dai->dai_config)
2848 				return -ENOMEM;
2849 
2850 			/* set cpu_dai_name */
2851 			dai->cpu_dai_name = link->cpus->dai_name;
2852 
2853 			found = 1;
2854 		}
2855 	}
2856 
2857 	/*
2858 	 * machine driver may define a dai link with playback and capture
2859 	 * dai enabled, but the dai link in topology would support both, one
2860 	 * or none of them. Here print a warning message to notify user
2861 	 */
2862 	if (!found) {
2863 		dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2864 			 link->name);
2865 	}
2866 
2867 	return 0;
2868 }
2869 
2870 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2871 			     struct snd_soc_dai_link *link,
2872 			     struct snd_soc_tplg_link_config *cfg,
2873 			     struct snd_soc_tplg_hw_config *hw_config,
2874 			     struct sof_ipc_dai_config *config)
2875 {
2876 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2877 	struct snd_soc_tplg_private *private = &cfg->priv;
2878 	u32 size = sizeof(*config);
2879 	int ret;
2880 
2881 	/* handle master/slave and inverted clocks */
2882 	sof_dai_set_format(hw_config, config);
2883 
2884 	/* init IPC */
2885 	memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2886 	config->hdr.size = size;
2887 
2888 	ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2889 			       ARRAY_SIZE(ssp_tokens), private->array,
2890 			       le32_to_cpu(private->size));
2891 	if (ret != 0) {
2892 		dev_err(scomp->dev, "error: parse ssp tokens failed %d\n",
2893 			le32_to_cpu(private->size));
2894 		return ret;
2895 	}
2896 
2897 	config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2898 	config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2899 	config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2900 	config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2901 	config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2902 	config->ssp.mclk_direction = hw_config->mclk_direction;
2903 	config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2904 	config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2905 
2906 	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",
2907 		config->dai_index, config->format,
2908 		config->ssp.mclk_rate, config->ssp.bclk_rate,
2909 		config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2910 		config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2911 		config->ssp.mclk_id, config->ssp.quirks);
2912 
2913 	/* validate SSP fsync rate and channel count */
2914 	if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2915 		dev_err(scomp->dev, "error: invalid fsync rate for SSP%d\n",
2916 			config->dai_index);
2917 		return -EINVAL;
2918 	}
2919 
2920 	if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2921 		dev_err(scomp->dev, "error: invalid channel count for SSP%d\n",
2922 			config->dai_index);
2923 		return -EINVAL;
2924 	}
2925 
2926 	/* set config for all DAI's with name matching the link name */
2927 	ret = sof_set_dai_config(sdev, size, link, config);
2928 	if (ret < 0)
2929 		dev_err(scomp->dev, "error: failed to save DAI config for SSP%d\n",
2930 			config->dai_index);
2931 
2932 	return ret;
2933 }
2934 
2935 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2936 			     struct snd_soc_dai_link *link,
2937 			     struct snd_soc_tplg_link_config *cfg,
2938 			     struct snd_soc_tplg_hw_config *hw_config,
2939 			     struct sof_ipc_dai_config *config)
2940 {
2941 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2942 	struct snd_soc_tplg_private *private = &cfg->priv;
2943 	u32 size = sizeof(*config);
2944 	int ret;
2945 
2946 	/* handle master/slave and inverted clocks */
2947 	sof_dai_set_format(hw_config, config);
2948 
2949 	/* init IPC */
2950 	memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params));
2951 	config->hdr.size = size;
2952 
2953 	ret = sof_parse_tokens(scomp, &config->sai, sai_tokens,
2954 			       ARRAY_SIZE(sai_tokens), private->array,
2955 			       le32_to_cpu(private->size));
2956 	if (ret != 0) {
2957 		dev_err(scomp->dev, "error: parse sai tokens failed %d\n",
2958 			le32_to_cpu(private->size));
2959 		return ret;
2960 	}
2961 
2962 	config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2963 	config->sai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2964 	config->sai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2965 	config->sai.mclk_direction = hw_config->mclk_direction;
2966 
2967 	config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2968 	config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2969 	config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2970 	config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2971 
2972 	dev_info(scomp->dev,
2973 		 "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2974 		config->dai_index, config->format,
2975 		config->sai.mclk_rate, config->sai.tdm_slot_width,
2976 		config->sai.tdm_slots, config->sai.mclk_id);
2977 
2978 	if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) {
2979 		dev_err(scomp->dev, "error: invalid channel count for SAI%d\n",
2980 			config->dai_index);
2981 		return -EINVAL;
2982 	}
2983 
2984 	/* set config for all DAI's with name matching the link name */
2985 	ret = sof_set_dai_config(sdev, size, link, config);
2986 	if (ret < 0)
2987 		dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n",
2988 			config->dai_index);
2989 
2990 	return ret;
2991 }
2992 
2993 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
2994 			      struct snd_soc_dai_link *link,
2995 			      struct snd_soc_tplg_link_config *cfg,
2996 			      struct snd_soc_tplg_hw_config *hw_config,
2997 			      struct sof_ipc_dai_config *config)
2998 {
2999 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3000 	struct snd_soc_tplg_private *private = &cfg->priv;
3001 	u32 size = sizeof(*config);
3002 	int ret;
3003 
3004 	/* handle master/slave and inverted clocks */
3005 	sof_dai_set_format(hw_config, config);
3006 
3007 	/* init IPC */
3008 	memset(&config->esai, 0, sizeof(struct sof_ipc_dai_esai_params));
3009 	config->hdr.size = size;
3010 
3011 	ret = sof_parse_tokens(scomp, &config->esai, esai_tokens,
3012 			       ARRAY_SIZE(esai_tokens), private->array,
3013 			       le32_to_cpu(private->size));
3014 	if (ret != 0) {
3015 		dev_err(scomp->dev, "error: parse esai tokens failed %d\n",
3016 			le32_to_cpu(private->size));
3017 		return ret;
3018 	}
3019 
3020 	config->esai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
3021 	config->esai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
3022 	config->esai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
3023 	config->esai.mclk_direction = hw_config->mclk_direction;
3024 	config->esai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
3025 	config->esai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
3026 	config->esai.rx_slots = le32_to_cpu(hw_config->rx_slots);
3027 	config->esai.tx_slots = le32_to_cpu(hw_config->tx_slots);
3028 
3029 	dev_info(scomp->dev,
3030 		 "tplg: config ESAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
3031 		config->dai_index, config->format,
3032 		config->esai.mclk_rate, config->esai.tdm_slot_width,
3033 		config->esai.tdm_slots, config->esai.mclk_id);
3034 
3035 	if (config->esai.tdm_slots < 1 || config->esai.tdm_slots > 8) {
3036 		dev_err(scomp->dev, "error: invalid channel count for ESAI%d\n",
3037 			config->dai_index);
3038 		return -EINVAL;
3039 	}
3040 
3041 	/* set config for all DAI's with name matching the link name */
3042 	ret = sof_set_dai_config(sdev, size, link, config);
3043 	if (ret < 0)
3044 		dev_err(scomp->dev, "error: failed to save DAI config for ESAI%d\n",
3045 			config->dai_index);
3046 
3047 	return ret;
3048 }
3049 
3050 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
3051 			      struct snd_soc_dai_link *link,
3052 			      struct snd_soc_tplg_link_config *cfg,
3053 			      struct snd_soc_tplg_hw_config *hw_config,
3054 			      struct sof_ipc_dai_config *config)
3055 {
3056 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3057 	struct snd_soc_tplg_private *private = &cfg->priv;
3058 	struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
3059 	struct sof_ipc_fw_version *v = &ready->version;
3060 	size_t size = sizeof(*config);
3061 	int ret, j;
3062 
3063 	/* Ensure the entire DMIC config struct is zeros */
3064 	memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
3065 
3066 	/* get DMIC tokens */
3067 	ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
3068 			       ARRAY_SIZE(dmic_tokens), private->array,
3069 			       le32_to_cpu(private->size));
3070 	if (ret != 0) {
3071 		dev_err(scomp->dev, "error: parse dmic tokens failed %d\n",
3072 			le32_to_cpu(private->size));
3073 		return ret;
3074 	}
3075 
3076 	/* get DMIC PDM tokens */
3077 	ret = sof_parse_token_sets(scomp, &config->dmic.pdm[0], dmic_pdm_tokens,
3078 			       ARRAY_SIZE(dmic_pdm_tokens), private->array,
3079 			       le32_to_cpu(private->size),
3080 			       config->dmic.num_pdm_active,
3081 			       sizeof(struct sof_ipc_dai_dmic_pdm_ctrl));
3082 
3083 	if (ret != 0) {
3084 		dev_err(scomp->dev, "error: parse dmic pdm tokens failed %d\n",
3085 			le32_to_cpu(private->size));
3086 		return ret;
3087 	}
3088 
3089 	/* set IPC header size */
3090 	config->hdr.size = size;
3091 
3092 	/* debug messages */
3093 	dev_dbg(scomp->dev, "tplg: config DMIC%d driver version %d\n",
3094 		config->dai_index, config->dmic.driver_ipc_version);
3095 	dev_dbg(scomp->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
3096 		config->dmic.pdmclk_min, config->dmic.pdmclk_max,
3097 		config->dmic.duty_min);
3098 	dev_dbg(scomp->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
3099 		config->dmic.duty_max, config->dmic.fifo_fs,
3100 		config->dmic.num_pdm_active);
3101 	dev_dbg(scomp->dev, "fifo word length %hd\n", config->dmic.fifo_bits);
3102 
3103 	for (j = 0; j < config->dmic.num_pdm_active; j++) {
3104 		dev_dbg(scomp->dev, "pdm %hd mic a %hd mic b %hd\n",
3105 			config->dmic.pdm[j].id,
3106 			config->dmic.pdm[j].enable_mic_a,
3107 			config->dmic.pdm[j].enable_mic_b);
3108 		dev_dbg(scomp->dev, "pdm %hd polarity a %hd polarity b %hd\n",
3109 			config->dmic.pdm[j].id,
3110 			config->dmic.pdm[j].polarity_mic_a,
3111 			config->dmic.pdm[j].polarity_mic_b);
3112 		dev_dbg(scomp->dev, "pdm %hd clk_edge %hd skew %hd\n",
3113 			config->dmic.pdm[j].id,
3114 			config->dmic.pdm[j].clk_edge,
3115 			config->dmic.pdm[j].skew);
3116 	}
3117 
3118 	/*
3119 	 * this takes care of backwards compatible handling of fifo_bits_b.
3120 	 * It is deprecated since firmware ABI version 3.0.1.
3121 	 */
3122 	if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1))
3123 		config->dmic.fifo_bits_b = config->dmic.fifo_bits;
3124 
3125 	/* set config for all DAI's with name matching the link name */
3126 	ret = sof_set_dai_config(sdev, size, link, config);
3127 	if (ret < 0)
3128 		dev_err(scomp->dev, "error: failed to save DAI config for DMIC%d\n",
3129 			config->dai_index);
3130 
3131 	return ret;
3132 }
3133 
3134 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
3135 			     struct snd_soc_dai_link *link,
3136 			     struct snd_soc_tplg_link_config *cfg,
3137 			     struct snd_soc_tplg_hw_config *hw_config,
3138 			     struct sof_ipc_dai_config *config)
3139 {
3140 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3141 	struct snd_soc_tplg_private *private = &cfg->priv;
3142 	struct snd_soc_dai *dai;
3143 	u32 size = sizeof(*config);
3144 	int ret;
3145 
3146 	/* init IPC */
3147 	memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
3148 	config->hdr.size = size;
3149 
3150 	/* get any bespoke DAI tokens */
3151 	ret = sof_parse_tokens(scomp, &config->hda, hda_tokens,
3152 			       ARRAY_SIZE(hda_tokens), private->array,
3153 			       le32_to_cpu(private->size));
3154 	if (ret != 0) {
3155 		dev_err(scomp->dev, "error: parse hda tokens failed %d\n",
3156 			le32_to_cpu(private->size));
3157 		return ret;
3158 	}
3159 
3160 	dev_dbg(scomp->dev, "HDA config rate %d channels %d\n",
3161 		config->hda.rate, config->hda.channels);
3162 
3163 	dai = snd_soc_find_dai(link->cpus);
3164 	if (!dai) {
3165 		dev_err(scomp->dev, "error: failed to find dai %s in %s",
3166 			link->cpus->dai_name, __func__);
3167 		return -EINVAL;
3168 	}
3169 
3170 	config->hda.link_dma_ch = DMA_CHAN_INVALID;
3171 
3172 	ret = sof_set_dai_config(sdev, size, link, config);
3173 	if (ret < 0)
3174 		dev_err(scomp->dev, "error: failed to process hda dai link %s",
3175 			link->name);
3176 
3177 	return ret;
3178 }
3179 
3180 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
3181 			     struct snd_soc_dai_link *link,
3182 			     struct snd_soc_tplg_link_config *cfg,
3183 			     struct snd_soc_tplg_hw_config *hw_config,
3184 			     struct sof_ipc_dai_config *config)
3185 {
3186 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3187 	struct snd_soc_tplg_private *private = &cfg->priv;
3188 	u32 size = sizeof(*config);
3189 	int ret;
3190 
3191 	ret = sof_parse_tokens(scomp, &config->alh, alh_tokens,
3192 			       ARRAY_SIZE(alh_tokens), private->array,
3193 			       le32_to_cpu(private->size));
3194 	if (ret != 0) {
3195 		dev_err(scomp->dev, "error: parse alh tokens failed %d\n",
3196 			le32_to_cpu(private->size));
3197 		return ret;
3198 	}
3199 
3200 	/* init IPC */
3201 	config->hdr.size = size;
3202 
3203 	/* set config for all DAI's with name matching the link name */
3204 	ret = sof_set_dai_config(sdev, size, link, config);
3205 	if (ret < 0)
3206 		dev_err(scomp->dev, "error: failed to save DAI config for ALH %d\n",
3207 			config->dai_index);
3208 
3209 	return ret;
3210 }
3211 
3212 /* DAI link - used for any driver specific init */
3213 static int sof_link_load(struct snd_soc_component *scomp, int index,
3214 			 struct snd_soc_dai_link *link,
3215 			 struct snd_soc_tplg_link_config *cfg)
3216 {
3217 	struct snd_soc_tplg_private *private = &cfg->priv;
3218 	struct sof_ipc_dai_config config;
3219 	struct snd_soc_tplg_hw_config *hw_config;
3220 	int num_hw_configs;
3221 	int ret;
3222 	int i = 0;
3223 
3224 	if (!link->platforms) {
3225 		dev_err(scomp->dev, "error: no platforms\n");
3226 		return -EINVAL;
3227 	}
3228 	link->platforms->name = dev_name(scomp->dev);
3229 
3230 	/*
3231 	 * Set nonatomic property for FE dai links as their trigger action
3232 	 * involves IPC's.
3233 	 */
3234 	if (!link->no_pcm) {
3235 		link->nonatomic = true;
3236 
3237 		/*
3238 		 * set default trigger order for all links. Exceptions to
3239 		 * the rule will be handled in sof_pcm_dai_link_fixup()
3240 		 * For playback, the sequence is the following: start FE,
3241 		 * start BE, stop BE, stop FE; for Capture the sequence is
3242 		 * inverted start BE, start FE, stop FE, stop BE
3243 		 */
3244 		link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
3245 					SND_SOC_DPCM_TRIGGER_PRE;
3246 		link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
3247 					SND_SOC_DPCM_TRIGGER_POST;
3248 
3249 		/* nothing more to do for FE dai links */
3250 		return 0;
3251 	}
3252 
3253 	/* check we have some tokens - we need at least DAI type */
3254 	if (le32_to_cpu(private->size) == 0) {
3255 		dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
3256 		return -EINVAL;
3257 	}
3258 
3259 	/* Send BE DAI link configurations to DSP */
3260 	memset(&config, 0, sizeof(config));
3261 
3262 	/* get any common DAI tokens */
3263 	ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
3264 			       ARRAY_SIZE(dai_link_tokens), private->array,
3265 			       le32_to_cpu(private->size));
3266 	if (ret != 0) {
3267 		dev_err(scomp->dev, "error: parse link tokens failed %d\n",
3268 			le32_to_cpu(private->size));
3269 		return ret;
3270 	}
3271 
3272 	/*
3273 	 * DAI links are expected to have at least 1 hw_config.
3274 	 * But some older topologies might have no hw_config for HDA dai links.
3275 	 */
3276 	num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
3277 	if (!num_hw_configs) {
3278 		if (config.type != SOF_DAI_INTEL_HDA) {
3279 			dev_err(scomp->dev, "error: unexpected DAI config count %d!\n",
3280 				le32_to_cpu(cfg->num_hw_configs));
3281 			return -EINVAL;
3282 		}
3283 	} else {
3284 		dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d!\n",
3285 			cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
3286 
3287 		for (i = 0; i < num_hw_configs; i++) {
3288 			if (cfg->hw_config[i].id == cfg->default_hw_config_id)
3289 				break;
3290 		}
3291 
3292 		if (i == num_hw_configs) {
3293 			dev_err(scomp->dev, "error: default hw_config id: %d not found!\n",
3294 				le32_to_cpu(cfg->default_hw_config_id));
3295 			return -EINVAL;
3296 		}
3297 	}
3298 
3299 	/* configure dai IPC message */
3300 	hw_config = &cfg->hw_config[i];
3301 
3302 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
3303 	config.format = le32_to_cpu(hw_config->fmt);
3304 
3305 	/* now load DAI specific data and send IPC - type comes from token */
3306 	switch (config.type) {
3307 	case SOF_DAI_INTEL_SSP:
3308 		ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
3309 					&config);
3310 		break;
3311 	case SOF_DAI_INTEL_DMIC:
3312 		ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
3313 					 &config);
3314 		break;
3315 	case SOF_DAI_INTEL_HDA:
3316 		ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
3317 					&config);
3318 		break;
3319 	case SOF_DAI_INTEL_ALH:
3320 		ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
3321 					&config);
3322 		break;
3323 	case SOF_DAI_IMX_SAI:
3324 		ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
3325 					&config);
3326 		break;
3327 	case SOF_DAI_IMX_ESAI:
3328 		ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
3329 					 &config);
3330 		break;
3331 	default:
3332 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3333 			config.type);
3334 		ret = -EINVAL;
3335 		break;
3336 	}
3337 	if (ret < 0)
3338 		return ret;
3339 
3340 	return 0;
3341 }
3342 
3343 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
3344 			       struct snd_soc_dai_link *link)
3345 {
3346 	struct snd_soc_dai *dai;
3347 
3348 	dai = snd_soc_find_dai(link->cpus);
3349 	if (!dai) {
3350 		dev_err(sdev->dev, "error: failed to find dai %s in %s",
3351 			link->cpus->dai_name, __func__);
3352 		return -EINVAL;
3353 	}
3354 
3355 	return 0;
3356 }
3357 
3358 static int sof_link_unload(struct snd_soc_component *scomp,
3359 			   struct snd_soc_dobj *dobj)
3360 {
3361 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3362 	struct snd_soc_dai_link *link =
3363 		container_of(dobj, struct snd_soc_dai_link, dobj);
3364 
3365 	struct snd_sof_dai *sof_dai;
3366 	int ret = 0;
3367 
3368 	/* only BE link is loaded by sof */
3369 	if (!link->no_pcm)
3370 		return 0;
3371 
3372 	list_for_each_entry(sof_dai, &sdev->dai_list, list) {
3373 		if (!sof_dai->name)
3374 			continue;
3375 
3376 		if (strcmp(link->name, sof_dai->name) == 0)
3377 			goto found;
3378 	}
3379 
3380 	dev_err(scomp->dev, "error: failed to find dai %s in %s",
3381 		link->name, __func__);
3382 	return -EINVAL;
3383 found:
3384 
3385 	switch (sof_dai->dai_config->type) {
3386 	case SOF_DAI_INTEL_SSP:
3387 	case SOF_DAI_INTEL_DMIC:
3388 	case SOF_DAI_INTEL_ALH:
3389 	case SOF_DAI_IMX_SAI:
3390 	case SOF_DAI_IMX_ESAI:
3391 		/* no resource needs to be released for all cases above */
3392 		break;
3393 	case SOF_DAI_INTEL_HDA:
3394 		ret = sof_link_hda_unload(sdev, link);
3395 		break;
3396 	default:
3397 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3398 			sof_dai->dai_config->type);
3399 		ret = -EINVAL;
3400 		break;
3401 	}
3402 
3403 	return ret;
3404 }
3405 
3406 /* DAI link - used for any driver specific init */
3407 static int sof_route_load(struct snd_soc_component *scomp, int index,
3408 			  struct snd_soc_dapm_route *route)
3409 {
3410 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3411 	struct sof_ipc_pipe_comp_connect *connect;
3412 	struct snd_sof_widget *source_swidget, *sink_swidget;
3413 	struct snd_soc_dobj *dobj = &route->dobj;
3414 	struct snd_sof_route *sroute;
3415 	struct sof_ipc_reply reply;
3416 	int ret = 0;
3417 
3418 	/* allocate memory for sroute and connect */
3419 	sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
3420 	if (!sroute)
3421 		return -ENOMEM;
3422 
3423 	sroute->scomp = scomp;
3424 
3425 	connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3426 	if (!connect) {
3427 		kfree(sroute);
3428 		return -ENOMEM;
3429 	}
3430 
3431 	connect->hdr.size = sizeof(*connect);
3432 	connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3433 
3434 	dev_dbg(scomp->dev, "sink %s control %s source %s\n",
3435 		route->sink, route->control ? route->control : "none",
3436 		route->source);
3437 
3438 	/* source component */
3439 	source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
3440 	if (!source_swidget) {
3441 		dev_err(scomp->dev, "error: source %s not found\n",
3442 			route->source);
3443 		ret = -EINVAL;
3444 		goto err;
3445 	}
3446 
3447 	/*
3448 	 * Virtual widgets of type output/out_drv may be added in topology
3449 	 * for compatibility. These are not handled by the FW.
3450 	 * So, don't send routes whose source/sink widget is of such types
3451 	 * to the DSP.
3452 	 */
3453 	if (source_swidget->id == snd_soc_dapm_out_drv ||
3454 	    source_swidget->id == snd_soc_dapm_output)
3455 		goto err;
3456 
3457 	connect->source_id = source_swidget->comp_id;
3458 
3459 	/* sink component */
3460 	sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
3461 	if (!sink_swidget) {
3462 		dev_err(scomp->dev, "error: sink %s not found\n",
3463 			route->sink);
3464 		ret = -EINVAL;
3465 		goto err;
3466 	}
3467 
3468 	/*
3469 	 * Don't send routes whose sink widget is of type
3470 	 * output or out_drv to the DSP
3471 	 */
3472 	if (sink_swidget->id == snd_soc_dapm_out_drv ||
3473 	    sink_swidget->id == snd_soc_dapm_output)
3474 		goto err;
3475 
3476 	connect->sink_id = sink_swidget->comp_id;
3477 
3478 	/*
3479 	 * For virtual routes, both sink and source are not
3480 	 * buffer. Since only buffer linked to component is supported by
3481 	 * FW, others are reported as error, add check in route function,
3482 	 * do not send it to FW when both source and sink are not buffer
3483 	 */
3484 	if (source_swidget->id != snd_soc_dapm_buffer &&
3485 	    sink_swidget->id != snd_soc_dapm_buffer) {
3486 		dev_dbg(scomp->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3487 			route->source, route->sink);
3488 		goto err;
3489 	} else {
3490 		ret = sof_ipc_tx_message(sdev->ipc,
3491 					 connect->hdr.cmd,
3492 					 connect, sizeof(*connect),
3493 					 &reply, sizeof(reply));
3494 
3495 		/* check IPC return value */
3496 		if (ret < 0) {
3497 			dev_err(scomp->dev, "error: failed to add route sink %s control %s source %s\n",
3498 				route->sink,
3499 				route->control ? route->control : "none",
3500 				route->source);
3501 			goto err;
3502 		}
3503 
3504 		/* check IPC reply */
3505 		if (reply.error < 0) {
3506 			dev_err(scomp->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3507 				route->sink,
3508 				route->control ? route->control : "none",
3509 				route->source, reply.error);
3510 			ret = reply.error;
3511 			goto err;
3512 		}
3513 
3514 		sroute->route = route;
3515 		dobj->private = sroute;
3516 		sroute->private = connect;
3517 
3518 		/* add route to route list */
3519 		list_add(&sroute->list, &sdev->route_list);
3520 
3521 		return 0;
3522 	}
3523 
3524 err:
3525 	kfree(connect);
3526 	kfree(sroute);
3527 	return ret;
3528 }
3529 
3530 /* Function to set the initial value of SOF kcontrols.
3531  * The value will be stored in scontrol->control_data
3532  */
3533 static int snd_sof_cache_kcontrol_val(struct snd_soc_component *scomp)
3534 {
3535 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3536 	struct snd_sof_control *scontrol = NULL;
3537 	int ipc_cmd, ctrl_type;
3538 	int ret = 0;
3539 
3540 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3541 
3542 		/* notify DSP of kcontrol values */
3543 		switch (scontrol->cmd) {
3544 		case SOF_CTRL_CMD_VOLUME:
3545 		case SOF_CTRL_CMD_ENUM:
3546 		case SOF_CTRL_CMD_SWITCH:
3547 			ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3548 			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3549 			break;
3550 		case SOF_CTRL_CMD_BINARY:
3551 			ipc_cmd = SOF_IPC_COMP_GET_DATA;
3552 			ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3553 			break;
3554 		default:
3555 			dev_err(scomp->dev,
3556 				"error: Invalid scontrol->cmd: %d\n",
3557 				scontrol->cmd);
3558 			return -EINVAL;
3559 		}
3560 		ret = snd_sof_ipc_set_get_comp_data(scontrol,
3561 						    ipc_cmd, ctrl_type,
3562 						    scontrol->cmd,
3563 						    false);
3564 		if (ret < 0) {
3565 			dev_warn(scomp->dev,
3566 				 "error: kcontrol value get for widget: %d\n",
3567 				 scontrol->comp_id);
3568 		}
3569 	}
3570 
3571 	return ret;
3572 }
3573 
3574 int snd_sof_complete_pipeline(struct device *dev,
3575 			      struct snd_sof_widget *swidget)
3576 {
3577 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
3578 	struct sof_ipc_pipe_ready ready;
3579 	struct sof_ipc_reply reply;
3580 	int ret;
3581 
3582 	dev_dbg(dev, "tplg: complete pipeline %s id %d\n",
3583 		swidget->widget->name, swidget->comp_id);
3584 
3585 	memset(&ready, 0, sizeof(ready));
3586 	ready.hdr.size = sizeof(ready);
3587 	ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3588 	ready.comp_id = swidget->comp_id;
3589 
3590 	ret = sof_ipc_tx_message(sdev->ipc,
3591 				 ready.hdr.cmd, &ready, sizeof(ready), &reply,
3592 				 sizeof(reply));
3593 	if (ret < 0)
3594 		return ret;
3595 	return 1;
3596 }
3597 
3598 /* completion - called at completion of firmware loading */
3599 static void sof_complete(struct snd_soc_component *scomp)
3600 {
3601 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3602 	struct snd_sof_widget *swidget;
3603 
3604 	/* some widget types require completion notificattion */
3605 	list_for_each_entry(swidget, &sdev->widget_list, list) {
3606 		if (swidget->complete)
3607 			continue;
3608 
3609 		switch (swidget->id) {
3610 		case snd_soc_dapm_scheduler:
3611 			swidget->complete =
3612 				snd_sof_complete_pipeline(scomp->dev, swidget);
3613 			break;
3614 		default:
3615 			break;
3616 		}
3617 	}
3618 	/*
3619 	 * cache initial values of SOF kcontrols by reading DSP value over
3620 	 * IPC. It may be overwritten by alsa-mixer after booting up
3621 	 */
3622 	snd_sof_cache_kcontrol_val(scomp);
3623 }
3624 
3625 /* manifest - optional to inform component of manifest */
3626 static int sof_manifest(struct snd_soc_component *scomp, int index,
3627 			struct snd_soc_tplg_manifest *man)
3628 {
3629 	u32 size;
3630 	u32 abi_version;
3631 
3632 	size = le32_to_cpu(man->priv.size);
3633 
3634 	/* backward compatible with tplg without ABI info */
3635 	if (!size) {
3636 		dev_dbg(scomp->dev, "No topology ABI info\n");
3637 		return 0;
3638 	}
3639 
3640 	if (size != SOF_TPLG_ABI_SIZE) {
3641 		dev_err(scomp->dev, "error: invalid topology ABI size\n");
3642 		return -EINVAL;
3643 	}
3644 
3645 	dev_info(scomp->dev,
3646 		 "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3647 		 man->priv.data[0], man->priv.data[1],
3648 		 man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3649 		 SOF_ABI_PATCH);
3650 
3651 	abi_version = SOF_ABI_VER(man->priv.data[0],
3652 				  man->priv.data[1],
3653 				  man->priv.data[2]);
3654 
3655 	if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3656 		dev_err(scomp->dev, "error: incompatible topology ABI version\n");
3657 		return -EINVAL;
3658 	}
3659 
3660 	if (abi_version > SOF_ABI_VERSION) {
3661 		if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3662 			dev_warn(scomp->dev, "warn: topology ABI is more recent than kernel\n");
3663 		} else {
3664 			dev_err(scomp->dev, "error: topology ABI is more recent than kernel\n");
3665 			return -EINVAL;
3666 		}
3667 	}
3668 
3669 	return 0;
3670 }
3671 
3672 /* vendor specific kcontrol handlers available for binding */
3673 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3674 	{SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3675 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3676 	{SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3677 	{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3678 };
3679 
3680 /* vendor specific bytes ext handlers available for binding */
3681 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3682 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3683 	{SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},
3684 };
3685 
3686 static struct snd_soc_tplg_ops sof_tplg_ops = {
3687 	/* external kcontrol init - used for any driver specific init */
3688 	.control_load	= sof_control_load,
3689 	.control_unload	= sof_control_unload,
3690 
3691 	/* external kcontrol init - used for any driver specific init */
3692 	.dapm_route_load	= sof_route_load,
3693 	.dapm_route_unload	= sof_route_unload,
3694 
3695 	/* external widget init - used for any driver specific init */
3696 	/* .widget_load is not currently used */
3697 	.widget_ready	= sof_widget_ready,
3698 	.widget_unload	= sof_widget_unload,
3699 
3700 	/* FE DAI - used for any driver specific init */
3701 	.dai_load	= sof_dai_load,
3702 	.dai_unload	= sof_dai_unload,
3703 
3704 	/* DAI link - used for any driver specific init */
3705 	.link_load	= sof_link_load,
3706 	.link_unload	= sof_link_unload,
3707 
3708 	/* completion - called at completion of firmware loading */
3709 	.complete	= sof_complete,
3710 
3711 	/* manifest - optional to inform component of manifest */
3712 	.manifest	= sof_manifest,
3713 
3714 	/* vendor specific kcontrol handlers available for binding */
3715 	.io_ops		= sof_io_ops,
3716 	.io_ops_count	= ARRAY_SIZE(sof_io_ops),
3717 
3718 	/* vendor specific bytes ext handlers available for binding */
3719 	.bytes_ext_ops	= sof_bytes_ext_ops,
3720 	.bytes_ext_ops_count	= ARRAY_SIZE(sof_bytes_ext_ops),
3721 };
3722 
3723 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
3724 {
3725 	const struct firmware *fw;
3726 	int ret;
3727 
3728 	dev_dbg(scomp->dev, "loading topology:%s\n", file);
3729 
3730 	ret = request_firmware(&fw, file, scomp->dev);
3731 	if (ret < 0) {
3732 		dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
3733 			file, ret);
3734 		return ret;
3735 	}
3736 
3737 	ret = snd_soc_tplg_component_load(scomp,
3738 					  &sof_tplg_ops, fw,
3739 					  SND_SOC_TPLG_INDEX_ALL);
3740 	if (ret < 0) {
3741 		dev_err(scomp->dev, "error: tplg component load failed %d\n",
3742 			ret);
3743 		ret = -EINVAL;
3744 	}
3745 
3746 	release_firmware(fw);
3747 	return ret;
3748 }
3749 EXPORT_SYMBOL(snd_sof_load_topology);
3750