xref: /openbmc/linux/sound/soc/sof/topology.c (revision 8ffdff6a)
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 //
3 // This file is provided under a dual BSD/GPLv2 license.  When using or
4 // redistributing this file, you may do so under either license.
5 //
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
7 //
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 //
10 
11 #include <linux/bits.h>
12 #include <linux/device.h>
13 #include <linux/errno.h>
14 #include <linux/firmware.h>
15 #include <linux/workqueue.h>
16 #include <sound/tlv.h>
17 #include <sound/pcm_params.h>
18 #include <uapi/sound/sof/tokens.h>
19 #include "sof-priv.h"
20 #include "sof-audio.h"
21 #include "ops.h"
22 
23 #define COMP_ID_UNASSIGNED		0xffffffff
24 /*
25  * Constants used in the computation of linear volume gain
26  * from dB gain 20th root of 10 in Q1.16 fixed-point notation
27  */
28 #define VOL_TWENTIETH_ROOT_OF_TEN	73533
29 /* 40th root of 10 in Q1.16 fixed-point notation*/
30 #define VOL_FORTIETH_ROOT_OF_TEN	69419
31 /*
32  * Volume fractional word length define to 16 sets
33  * the volume linear gain value to use Qx.16 format
34  */
35 #define VOLUME_FWL	16
36 /* 0.5 dB step value in topology TLV */
37 #define VOL_HALF_DB_STEP	50
38 /* Full volume for default values */
39 #define VOL_ZERO_DB	BIT(VOLUME_FWL)
40 
41 /* TLV data items */
42 #define TLV_ITEMS	3
43 #define TLV_MIN		0
44 #define TLV_STEP	1
45 #define TLV_MUTE	2
46 
47 /* size of tplg abi in byte */
48 #define SOF_TPLG_ABI_SIZE 3
49 
50 struct sof_widget_data {
51 	int ctrl_type;
52 	int ipc_cmd;
53 	struct sof_abi_hdr *pdata;
54 	struct snd_sof_control *control;
55 };
56 
57 /* send pcm params ipc */
58 static int ipc_pcm_params(struct snd_sof_widget *swidget, int dir)
59 {
60 	struct sof_ipc_pcm_params_reply ipc_params_reply;
61 	struct snd_soc_component *scomp = swidget->scomp;
62 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
63 	struct sof_ipc_pcm_params pcm;
64 	struct snd_pcm_hw_params *params;
65 	struct snd_sof_pcm *spcm;
66 	int ret;
67 
68 	memset(&pcm, 0, sizeof(pcm));
69 
70 	/* get runtime PCM params using widget's stream name */
71 	spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
72 	if (!spcm) {
73 		dev_err(scomp->dev, "error: cannot find PCM for %s\n",
74 			swidget->widget->name);
75 		return -EINVAL;
76 	}
77 
78 	params = &spcm->params[dir];
79 
80 	/* set IPC PCM params */
81 	pcm.hdr.size = sizeof(pcm);
82 	pcm.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_PCM_PARAMS;
83 	pcm.comp_id = swidget->comp_id;
84 	pcm.params.hdr.size = sizeof(pcm.params);
85 	pcm.params.direction = dir;
86 	pcm.params.sample_valid_bytes = params_width(params) >> 3;
87 	pcm.params.buffer_fmt = SOF_IPC_BUFFER_INTERLEAVED;
88 	pcm.params.rate = params_rate(params);
89 	pcm.params.channels = params_channels(params);
90 	pcm.params.host_period_bytes = params_period_bytes(params);
91 
92 	/* set format */
93 	switch (params_format(params)) {
94 	case SNDRV_PCM_FORMAT_S16:
95 		pcm.params.frame_fmt = SOF_IPC_FRAME_S16_LE;
96 		break;
97 	case SNDRV_PCM_FORMAT_S24:
98 		pcm.params.frame_fmt = SOF_IPC_FRAME_S24_4LE;
99 		break;
100 	case SNDRV_PCM_FORMAT_S32:
101 		pcm.params.frame_fmt = SOF_IPC_FRAME_S32_LE;
102 		break;
103 	default:
104 		return -EINVAL;
105 	}
106 
107 	/* send IPC to the DSP */
108 	ret = sof_ipc_tx_message(sdev->ipc, pcm.hdr.cmd, &pcm, sizeof(pcm),
109 				 &ipc_params_reply, sizeof(ipc_params_reply));
110 	if (ret < 0)
111 		dev_err(scomp->dev, "error: pcm params failed for %s\n",
112 			swidget->widget->name);
113 
114 	return ret;
115 }
116 
117  /* send stream trigger ipc */
118 static int ipc_trigger(struct snd_sof_widget *swidget, int cmd)
119 {
120 	struct snd_soc_component *scomp = swidget->scomp;
121 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
122 	struct sof_ipc_stream stream;
123 	struct sof_ipc_reply reply;
124 	int ret;
125 
126 	/* set IPC stream params */
127 	stream.hdr.size = sizeof(stream);
128 	stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | cmd;
129 	stream.comp_id = swidget->comp_id;
130 
131 	/* send IPC to the DSP */
132 	ret = sof_ipc_tx_message(sdev->ipc, stream.hdr.cmd, &stream,
133 				 sizeof(stream), &reply, sizeof(reply));
134 	if (ret < 0)
135 		dev_err(scomp->dev, "error: failed to trigger %s\n",
136 			swidget->widget->name);
137 
138 	return ret;
139 }
140 
141 static int sof_keyword_dapm_event(struct snd_soc_dapm_widget *w,
142 				  struct snd_kcontrol *k, int event)
143 {
144 	struct snd_sof_widget *swidget = w->dobj.private;
145 	struct snd_soc_component *scomp;
146 	int stream = SNDRV_PCM_STREAM_CAPTURE;
147 	struct snd_sof_pcm *spcm;
148 	int ret = 0;
149 
150 	if (!swidget)
151 		return 0;
152 
153 	scomp = swidget->scomp;
154 
155 	dev_dbg(scomp->dev, "received event %d for widget %s\n",
156 		event, w->name);
157 
158 	/* get runtime PCM params using widget's stream name */
159 	spcm = snd_sof_find_spcm_name(scomp, swidget->widget->sname);
160 	if (!spcm) {
161 		dev_err(scomp->dev, "error: cannot find PCM for %s\n",
162 			swidget->widget->name);
163 		return -EINVAL;
164 	}
165 
166 	/* process events */
167 	switch (event) {
168 	case SND_SOC_DAPM_PRE_PMU:
169 		if (spcm->stream[stream].suspend_ignored) {
170 			dev_dbg(scomp->dev, "PRE_PMU event ignored, KWD pipeline is already RUNNING\n");
171 			return 0;
172 		}
173 
174 		/* set pcm params */
175 		ret = ipc_pcm_params(swidget, stream);
176 		if (ret < 0) {
177 			dev_err(scomp->dev,
178 				"error: failed to set pcm params for widget %s\n",
179 				swidget->widget->name);
180 			break;
181 		}
182 
183 		/* start trigger */
184 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_START);
185 		if (ret < 0)
186 			dev_err(scomp->dev,
187 				"error: failed to trigger widget %s\n",
188 				swidget->widget->name);
189 		break;
190 	case SND_SOC_DAPM_POST_PMD:
191 		if (spcm->stream[stream].suspend_ignored) {
192 			dev_dbg(scomp->dev, "POST_PMD even ignored, KWD pipeline will remain RUNNING\n");
193 			return 0;
194 		}
195 
196 		/* stop trigger */
197 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_TRIG_STOP);
198 		if (ret < 0)
199 			dev_err(scomp->dev,
200 				"error: failed to trigger widget %s\n",
201 				swidget->widget->name);
202 
203 		/* pcm free */
204 		ret = ipc_trigger(swidget, SOF_IPC_STREAM_PCM_FREE);
205 		if (ret < 0)
206 			dev_err(scomp->dev,
207 				"error: failed to trigger widget %s\n",
208 				swidget->widget->name);
209 		break;
210 	default:
211 		break;
212 	}
213 
214 	return ret;
215 }
216 
217 /* event handlers for keyword detect component */
218 static const struct snd_soc_tplg_widget_events sof_kwd_events[] = {
219 	{SOF_KEYWORD_DETECT_DAPM_EVENT, sof_keyword_dapm_event},
220 };
221 
222 static inline int get_tlv_data(const int *p, int tlv[TLV_ITEMS])
223 {
224 	/* we only support dB scale TLV type at the moment */
225 	if ((int)p[SNDRV_CTL_TLVO_TYPE] != SNDRV_CTL_TLVT_DB_SCALE)
226 		return -EINVAL;
227 
228 	/* min value in topology tlv data is multiplied by 100 */
229 	tlv[TLV_MIN] = (int)p[SNDRV_CTL_TLVO_DB_SCALE_MIN] / 100;
230 
231 	/* volume steps */
232 	tlv[TLV_STEP] = (int)(p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
233 				TLV_DB_SCALE_MASK);
234 
235 	/* mute ON/OFF */
236 	if ((p[SNDRV_CTL_TLVO_DB_SCALE_MUTE_AND_STEP] &
237 		TLV_DB_SCALE_MUTE) == 0)
238 		tlv[TLV_MUTE] = 0;
239 	else
240 		tlv[TLV_MUTE] = 1;
241 
242 	return 0;
243 }
244 
245 /*
246  * Function to truncate an unsigned 64-bit number
247  * by x bits and return 32-bit unsigned number. This
248  * function also takes care of rounding while truncating
249  */
250 static inline u32 vol_shift_64(u64 i, u32 x)
251 {
252 	/* do not truncate more than 32 bits */
253 	if (x > 32)
254 		x = 32;
255 
256 	if (x == 0)
257 		return (u32)i;
258 
259 	return (u32)(((i >> (x - 1)) + 1) >> 1);
260 }
261 
262 /*
263  * Function to compute a ^ exp where,
264  * a is a fractional number represented by a fixed-point
265  * integer with a fractional world length of "fwl"
266  * exp is an integer
267  * fwl is the fractional word length
268  * Return value is a fractional number represented by a
269  * fixed-point integer with a fractional word length of "fwl"
270  */
271 static u32 vol_pow32(u32 a, int exp, u32 fwl)
272 {
273 	int i, iter;
274 	u32 power = 1 << fwl;
275 	u64 numerator;
276 
277 	/* if exponent is 0, return 1 */
278 	if (exp == 0)
279 		return power;
280 
281 	/* determine the number of iterations based on the exponent */
282 	if (exp < 0)
283 		iter = exp * -1;
284 	else
285 		iter = exp;
286 
287 	/* mutiply a "iter" times to compute power */
288 	for (i = 0; i < iter; i++) {
289 		/*
290 		 * Product of 2 Qx.fwl fixed-point numbers yields a Q2*x.2*fwl
291 		 * Truncate product back to fwl fractional bits with rounding
292 		 */
293 		power = vol_shift_64((u64)power * a, fwl);
294 	}
295 
296 	if (exp > 0) {
297 		/* if exp is positive, return the result */
298 		return power;
299 	}
300 
301 	/* if exp is negative, return the multiplicative inverse */
302 	numerator = (u64)1 << (fwl << 1);
303 	do_div(numerator, power);
304 
305 	return (u32)numerator;
306 }
307 
308 /*
309  * Function to calculate volume gain from TLV data.
310  * This function can only handle gain steps that are multiples of 0.5 dB
311  */
312 static u32 vol_compute_gain(u32 value, int *tlv)
313 {
314 	int dB_gain;
315 	u32 linear_gain;
316 	int f_step;
317 
318 	/* mute volume */
319 	if (value == 0 && tlv[TLV_MUTE])
320 		return 0;
321 
322 	/*
323 	 * compute dB gain from tlv. tlv_step
324 	 * in topology is multiplied by 100
325 	 */
326 	dB_gain = tlv[TLV_MIN] + (value * tlv[TLV_STEP]) / 100;
327 
328 	/*
329 	 * compute linear gain represented by fixed-point
330 	 * int with VOLUME_FWL fractional bits
331 	 */
332 	linear_gain = vol_pow32(VOL_TWENTIETH_ROOT_OF_TEN, dB_gain, VOLUME_FWL);
333 
334 	/* extract the fractional part of volume step */
335 	f_step = tlv[TLV_STEP] - (tlv[TLV_STEP] / 100);
336 
337 	/* if volume step is an odd multiple of 0.5 dB */
338 	if (f_step == VOL_HALF_DB_STEP && (value & 1))
339 		linear_gain = vol_shift_64((u64)linear_gain *
340 						  VOL_FORTIETH_ROOT_OF_TEN,
341 						  VOLUME_FWL);
342 
343 	return linear_gain;
344 }
345 
346 /*
347  * Set up volume table for kcontrols from tlv data
348  * "size" specifies the number of entries in the table
349  */
350 static int set_up_volume_table(struct snd_sof_control *scontrol,
351 			       int tlv[TLV_ITEMS], int size)
352 {
353 	int j;
354 
355 	/* init the volume table */
356 	scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
357 	if (!scontrol->volume_table)
358 		return -ENOMEM;
359 
360 	/* populate the volume table */
361 	for (j = 0; j < size ; j++)
362 		scontrol->volume_table[j] = vol_compute_gain(j, tlv);
363 
364 	return 0;
365 }
366 
367 struct sof_dai_types {
368 	const char *name;
369 	enum sof_ipc_dai_type type;
370 };
371 
372 static const struct sof_dai_types sof_dais[] = {
373 	{"SSP", SOF_DAI_INTEL_SSP},
374 	{"HDA", SOF_DAI_INTEL_HDA},
375 	{"DMIC", SOF_DAI_INTEL_DMIC},
376 	{"ALH", SOF_DAI_INTEL_ALH},
377 	{"SAI", SOF_DAI_IMX_SAI},
378 	{"ESAI", SOF_DAI_IMX_ESAI},
379 };
380 
381 static enum sof_ipc_dai_type find_dai(const char *name)
382 {
383 	int i;
384 
385 	for (i = 0; i < ARRAY_SIZE(sof_dais); i++) {
386 		if (strcmp(name, sof_dais[i].name) == 0)
387 			return sof_dais[i].type;
388 	}
389 
390 	return SOF_DAI_INTEL_NONE;
391 }
392 
393 /*
394  * Supported Frame format types and lookup, add new ones to end of list.
395  */
396 
397 struct sof_frame_types {
398 	const char *name;
399 	enum sof_ipc_frame frame;
400 };
401 
402 static const struct sof_frame_types sof_frames[] = {
403 	{"s16le", SOF_IPC_FRAME_S16_LE},
404 	{"s24le", SOF_IPC_FRAME_S24_4LE},
405 	{"s32le", SOF_IPC_FRAME_S32_LE},
406 	{"float", SOF_IPC_FRAME_FLOAT},
407 };
408 
409 static enum sof_ipc_frame find_format(const char *name)
410 {
411 	int i;
412 
413 	for (i = 0; i < ARRAY_SIZE(sof_frames); i++) {
414 		if (strcmp(name, sof_frames[i].name) == 0)
415 			return sof_frames[i].frame;
416 	}
417 
418 	/* use s32le if nothing is specified */
419 	return SOF_IPC_FRAME_S32_LE;
420 }
421 
422 struct sof_process_types {
423 	const char *name;
424 	enum sof_ipc_process_type type;
425 	enum sof_comp_type comp_type;
426 };
427 
428 static const struct sof_process_types sof_process[] = {
429 	{"EQFIR", SOF_PROCESS_EQFIR, SOF_COMP_EQ_FIR},
430 	{"EQIIR", SOF_PROCESS_EQIIR, SOF_COMP_EQ_IIR},
431 	{"KEYWORD_DETECT", SOF_PROCESS_KEYWORD_DETECT, SOF_COMP_KEYWORD_DETECT},
432 	{"KPB", SOF_PROCESS_KPB, SOF_COMP_KPB},
433 	{"CHAN_SELECTOR", SOF_PROCESS_CHAN_SELECTOR, SOF_COMP_SELECTOR},
434 	{"MUX", SOF_PROCESS_MUX, SOF_COMP_MUX},
435 	{"DEMUX", SOF_PROCESS_DEMUX, SOF_COMP_DEMUX},
436 	{"DCBLOCK", SOF_PROCESS_DCBLOCK, SOF_COMP_DCBLOCK},
437 	{"SMART_AMP", SOF_PROCESS_SMART_AMP, SOF_COMP_SMART_AMP},
438 };
439 
440 static enum sof_ipc_process_type find_process(const char *name)
441 {
442 	int i;
443 
444 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
445 		if (strcmp(name, sof_process[i].name) == 0)
446 			return sof_process[i].type;
447 	}
448 
449 	return SOF_PROCESS_NONE;
450 }
451 
452 static enum sof_comp_type find_process_comp_type(enum sof_ipc_process_type type)
453 {
454 	int i;
455 
456 	for (i = 0; i < ARRAY_SIZE(sof_process); i++) {
457 		if (sof_process[i].type == type)
458 			return sof_process[i].comp_type;
459 	}
460 
461 	return SOF_COMP_NONE;
462 }
463 
464 /*
465  * Topology Token Parsing.
466  * New tokens should be added to headers and parsing tables below.
467  */
468 
469 struct sof_topology_token {
470 	u32 token;
471 	u32 type;
472 	int (*get_token)(void *elem, void *object, u32 offset, u32 size);
473 	u32 offset;
474 	u32 size;
475 };
476 
477 static int get_token_u32(void *elem, void *object, u32 offset, u32 size)
478 {
479 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
480 	u32 *val = (u32 *)((u8 *)object + offset);
481 
482 	*val = le32_to_cpu(velem->value);
483 	return 0;
484 }
485 
486 static int get_token_u16(void *elem, void *object, u32 offset, u32 size)
487 {
488 	struct snd_soc_tplg_vendor_value_elem *velem = elem;
489 	u16 *val = (u16 *)((u8 *)object + offset);
490 
491 	*val = (u16)le32_to_cpu(velem->value);
492 	return 0;
493 }
494 
495 static int get_token_uuid(void *elem, void *object, u32 offset, u32 size)
496 {
497 	struct snd_soc_tplg_vendor_uuid_elem *velem = elem;
498 	u8 *dst = (u8 *)object + offset;
499 
500 	memcpy(dst, velem->uuid, UUID_SIZE);
501 
502 	return 0;
503 }
504 
505 static int get_token_comp_format(void *elem, void *object, u32 offset, u32 size)
506 {
507 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
508 	u32 *val = (u32 *)((u8 *)object + offset);
509 
510 	*val = find_format(velem->string);
511 	return 0;
512 }
513 
514 static int get_token_dai_type(void *elem, void *object, u32 offset, u32 size)
515 {
516 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
517 	u32 *val = (u32 *)((u8 *)object + offset);
518 
519 	*val = find_dai(velem->string);
520 	return 0;
521 }
522 
523 static int get_token_process_type(void *elem, void *object, u32 offset,
524 				  u32 size)
525 {
526 	struct snd_soc_tplg_vendor_string_elem *velem = elem;
527 	u32 *val = (u32 *)((u8 *)object + offset);
528 
529 	*val = find_process(velem->string);
530 	return 0;
531 }
532 
533 /* Buffers */
534 static const struct sof_topology_token buffer_tokens[] = {
535 	{SOF_TKN_BUF_SIZE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
536 		offsetof(struct sof_ipc_buffer, size), 0},
537 	{SOF_TKN_BUF_CAPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
538 		offsetof(struct sof_ipc_buffer, caps), 0},
539 };
540 
541 /* DAI */
542 static const struct sof_topology_token dai_tokens[] = {
543 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
544 		offsetof(struct sof_ipc_comp_dai, type), 0},
545 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
546 		offsetof(struct sof_ipc_comp_dai, dai_index), 0},
547 	{SOF_TKN_DAI_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
548 		offsetof(struct sof_ipc_comp_dai, direction), 0},
549 };
550 
551 /* BE DAI link */
552 static const struct sof_topology_token dai_link_tokens[] = {
553 	{SOF_TKN_DAI_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_dai_type,
554 		offsetof(struct sof_ipc_dai_config, type), 0},
555 	{SOF_TKN_DAI_INDEX, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
556 		offsetof(struct sof_ipc_dai_config, dai_index), 0},
557 };
558 
559 /* scheduling */
560 static const struct sof_topology_token sched_tokens[] = {
561 	{SOF_TKN_SCHED_PERIOD, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
562 		offsetof(struct sof_ipc_pipe_new, period), 0},
563 	{SOF_TKN_SCHED_PRIORITY, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
564 		offsetof(struct sof_ipc_pipe_new, priority), 0},
565 	{SOF_TKN_SCHED_MIPS, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
566 		offsetof(struct sof_ipc_pipe_new, period_mips), 0},
567 	{SOF_TKN_SCHED_CORE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
568 		offsetof(struct sof_ipc_pipe_new, core), 0},
569 	{SOF_TKN_SCHED_FRAMES, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
570 		offsetof(struct sof_ipc_pipe_new, frames_per_sched), 0},
571 	{SOF_TKN_SCHED_TIME_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
572 		offsetof(struct sof_ipc_pipe_new, time_domain), 0},
573 };
574 
575 /* volume */
576 static const struct sof_topology_token volume_tokens[] = {
577 	{SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
578 		get_token_u32, offsetof(struct sof_ipc_comp_volume, ramp), 0},
579 	{SOF_TKN_VOLUME_RAMP_STEP_MS,
580 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
581 		offsetof(struct sof_ipc_comp_volume, initial_ramp), 0},
582 };
583 
584 /* SRC */
585 static const struct sof_topology_token src_tokens[] = {
586 	{SOF_TKN_SRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
587 		offsetof(struct sof_ipc_comp_src, source_rate), 0},
588 	{SOF_TKN_SRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
589 		offsetof(struct sof_ipc_comp_src, sink_rate), 0},
590 };
591 
592 /* ASRC */
593 static const struct sof_topology_token asrc_tokens[] = {
594 	{SOF_TKN_ASRC_RATE_IN, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
595 		offsetof(struct sof_ipc_comp_asrc, source_rate), 0},
596 	{SOF_TKN_ASRC_RATE_OUT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
597 		offsetof(struct sof_ipc_comp_asrc, sink_rate), 0},
598 	{SOF_TKN_ASRC_ASYNCHRONOUS_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
599 		get_token_u32,
600 		offsetof(struct sof_ipc_comp_asrc, asynchronous_mode), 0},
601 	{SOF_TKN_ASRC_OPERATION_MODE, SND_SOC_TPLG_TUPLE_TYPE_WORD,
602 		get_token_u32,
603 		offsetof(struct sof_ipc_comp_asrc, operation_mode), 0},
604 };
605 
606 /* Tone */
607 static const struct sof_topology_token tone_tokens[] = {
608 };
609 
610 /* EFFECT */
611 static const struct sof_topology_token process_tokens[] = {
612 	{SOF_TKN_PROCESS_TYPE, SND_SOC_TPLG_TUPLE_TYPE_STRING,
613 		get_token_process_type,
614 		offsetof(struct sof_ipc_comp_process, type), 0},
615 };
616 
617 /* PCM */
618 static const struct sof_topology_token pcm_tokens[] = {
619 	{SOF_TKN_PCM_DMAC_CONFIG, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
620 		offsetof(struct sof_ipc_comp_host, dmac_config), 0},
621 };
622 
623 /* PCM */
624 static const struct sof_topology_token stream_tokens[] = {
625 	{SOF_TKN_STREAM_PLAYBACK_COMPATIBLE_D0I3,
626 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
627 		offsetof(struct snd_sof_pcm, stream[0].d0i3_compatible), 0},
628 	{SOF_TKN_STREAM_CAPTURE_COMPATIBLE_D0I3,
629 		SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16,
630 		offsetof(struct snd_sof_pcm, stream[1].d0i3_compatible), 0},
631 };
632 
633 /* Generic components */
634 static const struct sof_topology_token comp_tokens[] = {
635 	{SOF_TKN_COMP_PERIOD_SINK_COUNT,
636 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
637 		offsetof(struct sof_ipc_comp_config, periods_sink), 0},
638 	{SOF_TKN_COMP_PERIOD_SOURCE_COUNT,
639 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
640 		offsetof(struct sof_ipc_comp_config, periods_source), 0},
641 	{SOF_TKN_COMP_FORMAT,
642 		SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_format,
643 		offsetof(struct sof_ipc_comp_config, frame_fmt), 0},
644 };
645 
646 /* SSP */
647 static const struct sof_topology_token ssp_tokens[] = {
648 	{SOF_TKN_INTEL_SSP_CLKS_CONTROL,
649 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
650 		offsetof(struct sof_ipc_dai_ssp_params, clks_control), 0},
651 	{SOF_TKN_INTEL_SSP_MCLK_ID,
652 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
653 		offsetof(struct sof_ipc_dai_ssp_params, mclk_id), 0},
654 	{SOF_TKN_INTEL_SSP_SAMPLE_BITS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
655 		get_token_u32,
656 		offsetof(struct sof_ipc_dai_ssp_params, sample_valid_bits), 0},
657 	{SOF_TKN_INTEL_SSP_FRAME_PULSE_WIDTH, SND_SOC_TPLG_TUPLE_TYPE_SHORT,
658 		get_token_u16,
659 		offsetof(struct sof_ipc_dai_ssp_params, frame_pulse_width), 0},
660 	{SOF_TKN_INTEL_SSP_QUIRKS, SND_SOC_TPLG_TUPLE_TYPE_WORD,
661 		get_token_u32,
662 		offsetof(struct sof_ipc_dai_ssp_params, quirks), 0},
663 	{SOF_TKN_INTEL_SSP_TDM_PADDING_PER_SLOT, SND_SOC_TPLG_TUPLE_TYPE_BOOL,
664 		get_token_u16,
665 		offsetof(struct sof_ipc_dai_ssp_params,
666 			 tdm_per_slot_padding_flag), 0},
667 	{SOF_TKN_INTEL_SSP_BCLK_DELAY, SND_SOC_TPLG_TUPLE_TYPE_WORD,
668 		get_token_u32,
669 		offsetof(struct sof_ipc_dai_ssp_params, bclk_delay), 0},
670 
671 };
672 
673 /* ALH */
674 static const struct sof_topology_token alh_tokens[] = {
675 	{SOF_TKN_INTEL_ALH_RATE,
676 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
677 		offsetof(struct sof_ipc_dai_alh_params, rate), 0},
678 	{SOF_TKN_INTEL_ALH_CH,
679 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
680 		offsetof(struct sof_ipc_dai_alh_params, channels), 0},
681 };
682 
683 /* DMIC */
684 static const struct sof_topology_token dmic_tokens[] = {
685 	{SOF_TKN_INTEL_DMIC_DRIVER_VERSION,
686 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
687 		offsetof(struct sof_ipc_dai_dmic_params, driver_ipc_version),
688 		0},
689 	{SOF_TKN_INTEL_DMIC_CLK_MIN,
690 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
691 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_min), 0},
692 	{SOF_TKN_INTEL_DMIC_CLK_MAX,
693 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
694 		offsetof(struct sof_ipc_dai_dmic_params, pdmclk_max), 0},
695 	{SOF_TKN_INTEL_DMIC_SAMPLE_RATE,
696 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
697 		offsetof(struct sof_ipc_dai_dmic_params, fifo_fs), 0},
698 	{SOF_TKN_INTEL_DMIC_DUTY_MIN,
699 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
700 		offsetof(struct sof_ipc_dai_dmic_params, duty_min), 0},
701 	{SOF_TKN_INTEL_DMIC_DUTY_MAX,
702 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
703 		offsetof(struct sof_ipc_dai_dmic_params, duty_max), 0},
704 	{SOF_TKN_INTEL_DMIC_NUM_PDM_ACTIVE,
705 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
706 		offsetof(struct sof_ipc_dai_dmic_params,
707 			 num_pdm_active), 0},
708 	{SOF_TKN_INTEL_DMIC_FIFO_WORD_LENGTH,
709 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
710 		offsetof(struct sof_ipc_dai_dmic_params, fifo_bits), 0},
711 	{SOF_TKN_INTEL_DMIC_UNMUTE_RAMP_TIME_MS,
712 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
713 		offsetof(struct sof_ipc_dai_dmic_params, unmute_ramp_time), 0},
714 
715 };
716 
717 /* ESAI */
718 static const struct sof_topology_token esai_tokens[] = {
719 	{SOF_TKN_IMX_ESAI_MCLK_ID,
720 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
721 		offsetof(struct sof_ipc_dai_esai_params, mclk_id), 0},
722 };
723 
724 /* SAI */
725 static const struct sof_topology_token sai_tokens[] = {
726 	{SOF_TKN_IMX_SAI_MCLK_ID,
727 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
728 		offsetof(struct sof_ipc_dai_sai_params, mclk_id), 0},
729 };
730 
731 /* Core tokens */
732 static const struct sof_topology_token core_tokens[] = {
733 	{SOF_TKN_COMP_CORE_ID,
734 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
735 		offsetof(struct sof_ipc_comp, core), 0},
736 };
737 
738 /* Component extended tokens */
739 static const struct sof_topology_token comp_ext_tokens[] = {
740 	{SOF_TKN_COMP_UUID,
741 		SND_SOC_TPLG_TUPLE_TYPE_UUID, get_token_uuid,
742 		offsetof(struct sof_ipc_comp_ext, uuid), 0},
743 };
744 
745 /*
746  * DMIC PDM Tokens
747  * SOF_TKN_INTEL_DMIC_PDM_CTRL_ID should be the first token
748  * as it increments the index while parsing the array of pdm tokens
749  * and determines the correct offset
750  */
751 static const struct sof_topology_token dmic_pdm_tokens[] = {
752 	{SOF_TKN_INTEL_DMIC_PDM_CTRL_ID,
753 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
754 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, id),
755 		0},
756 	{SOF_TKN_INTEL_DMIC_PDM_MIC_A_Enable,
757 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
758 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_a),
759 		0},
760 	{SOF_TKN_INTEL_DMIC_PDM_MIC_B_Enable,
761 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
762 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, enable_mic_b),
763 		0},
764 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_A,
765 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
766 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_a),
767 		0},
768 	{SOF_TKN_INTEL_DMIC_PDM_POLARITY_B,
769 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
770 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, polarity_mic_b),
771 		0},
772 	{SOF_TKN_INTEL_DMIC_PDM_CLK_EDGE,
773 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
774 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, clk_edge),
775 		0},
776 	{SOF_TKN_INTEL_DMIC_PDM_SKEW,
777 		SND_SOC_TPLG_TUPLE_TYPE_SHORT, get_token_u16,
778 		offsetof(struct sof_ipc_dai_dmic_pdm_ctrl, skew),
779 		0},
780 };
781 
782 /* HDA */
783 static const struct sof_topology_token hda_tokens[] = {
784 	{SOF_TKN_INTEL_HDA_RATE,
785 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
786 		offsetof(struct sof_ipc_dai_hda_params, rate), 0},
787 	{SOF_TKN_INTEL_HDA_CH,
788 		SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
789 		offsetof(struct sof_ipc_dai_hda_params, channels), 0},
790 };
791 
792 /* Leds */
793 static const struct sof_topology_token led_tokens[] = {
794 	{SOF_TKN_MUTE_LED_USE, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
795 	 offsetof(struct snd_sof_led_control, use_led), 0},
796 	{SOF_TKN_MUTE_LED_DIRECTION, SND_SOC_TPLG_TUPLE_TYPE_WORD,
797 	 get_token_u32, offsetof(struct snd_sof_led_control, direction), 0},
798 };
799 
800 static int sof_parse_uuid_tokens(struct snd_soc_component *scomp,
801 				 void *object,
802 				 const struct sof_topology_token *tokens,
803 				 int count,
804 				 struct snd_soc_tplg_vendor_array *array,
805 				 size_t offset)
806 {
807 	struct snd_soc_tplg_vendor_uuid_elem *elem;
808 	int found = 0;
809 	int i, j;
810 
811 	/* parse element by element */
812 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
813 		elem = &array->uuid[i];
814 
815 		/* search for token */
816 		for (j = 0; j < count; j++) {
817 			/* match token type */
818 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_UUID)
819 				continue;
820 
821 			/* match token id */
822 			if (tokens[j].token != le32_to_cpu(elem->token))
823 				continue;
824 
825 			/* matched - now load token */
826 			tokens[j].get_token(elem, object,
827 					    offset + tokens[j].offset,
828 					    tokens[j].size);
829 
830 			found++;
831 		}
832 	}
833 
834 	return found;
835 }
836 
837 static int sof_parse_string_tokens(struct snd_soc_component *scomp,
838 				   void *object,
839 				   const struct sof_topology_token *tokens,
840 				   int count,
841 				   struct snd_soc_tplg_vendor_array *array,
842 				   size_t offset)
843 {
844 	struct snd_soc_tplg_vendor_string_elem *elem;
845 	int found = 0;
846 	int i, j;
847 
848 	/* parse element by element */
849 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
850 		elem = &array->string[i];
851 
852 		/* search for token */
853 		for (j = 0; j < count; j++) {
854 			/* match token type */
855 			if (tokens[j].type != SND_SOC_TPLG_TUPLE_TYPE_STRING)
856 				continue;
857 
858 			/* match token id */
859 			if (tokens[j].token != le32_to_cpu(elem->token))
860 				continue;
861 
862 			/* matched - now load token */
863 			tokens[j].get_token(elem, object,
864 					    offset + tokens[j].offset,
865 					    tokens[j].size);
866 
867 			found++;
868 		}
869 	}
870 
871 	return found;
872 }
873 
874 static int sof_parse_word_tokens(struct snd_soc_component *scomp,
875 				 void *object,
876 				 const struct sof_topology_token *tokens,
877 				 int count,
878 				 struct snd_soc_tplg_vendor_array *array,
879 				 size_t offset)
880 {
881 	struct snd_soc_tplg_vendor_value_elem *elem;
882 	int found = 0;
883 	int i, j;
884 
885 	/* parse element by element */
886 	for (i = 0; i < le32_to_cpu(array->num_elems); i++) {
887 		elem = &array->value[i];
888 
889 		/* search for token */
890 		for (j = 0; j < count; j++) {
891 			/* match token type */
892 			if (!(tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_WORD ||
893 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_SHORT ||
894 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BYTE ||
895 			      tokens[j].type == SND_SOC_TPLG_TUPLE_TYPE_BOOL))
896 				continue;
897 
898 			/* match token id */
899 			if (tokens[j].token != le32_to_cpu(elem->token))
900 				continue;
901 
902 			/* load token */
903 			tokens[j].get_token(elem, object,
904 					    offset + tokens[j].offset,
905 					    tokens[j].size);
906 
907 			found++;
908 		}
909 	}
910 
911 	return found;
912 }
913 
914 /**
915  * sof_parse_token_sets - Parse multiple sets of tokens
916  * @scomp: pointer to soc component
917  * @object: target ipc struct for parsed values
918  * @tokens: token definition array describing what tokens to parse
919  * @count: number of tokens in definition array
920  * @array: source pointer to consecutive vendor arrays to be parsed
921  * @priv_size: total size of the consecutive source arrays
922  * @sets: number of similar token sets to be parsed, 1 set has count elements
923  * @object_size: offset to next target ipc struct with multiple sets
924  *
925  * This function parses multiple sets of tokens in vendor arrays into
926  * consecutive ipc structs.
927  */
928 static int sof_parse_token_sets(struct snd_soc_component *scomp,
929 				void *object,
930 				const struct sof_topology_token *tokens,
931 				int count,
932 				struct snd_soc_tplg_vendor_array *array,
933 				int priv_size, int sets, size_t object_size)
934 {
935 	size_t offset = 0;
936 	int found = 0;
937 	int total = 0;
938 	int asize;
939 
940 	while (priv_size > 0 && total < count * sets) {
941 		asize = le32_to_cpu(array->size);
942 
943 		/* validate asize */
944 		if (asize < 0) { /* FIXME: A zero-size array makes no sense */
945 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
946 				asize);
947 			return -EINVAL;
948 		}
949 
950 		/* make sure there is enough data before parsing */
951 		priv_size -= asize;
952 		if (priv_size < 0) {
953 			dev_err(scomp->dev, "error: invalid array size 0x%x\n",
954 				asize);
955 			return -EINVAL;
956 		}
957 
958 		/* call correct parser depending on type */
959 		switch (le32_to_cpu(array->type)) {
960 		case SND_SOC_TPLG_TUPLE_TYPE_UUID:
961 			found += sof_parse_uuid_tokens(scomp, object, tokens,
962 						       count, array, offset);
963 			break;
964 		case SND_SOC_TPLG_TUPLE_TYPE_STRING:
965 			found += sof_parse_string_tokens(scomp, object, tokens,
966 							 count, array, offset);
967 			break;
968 		case SND_SOC_TPLG_TUPLE_TYPE_BOOL:
969 		case SND_SOC_TPLG_TUPLE_TYPE_BYTE:
970 		case SND_SOC_TPLG_TUPLE_TYPE_WORD:
971 		case SND_SOC_TPLG_TUPLE_TYPE_SHORT:
972 			found += sof_parse_word_tokens(scomp, object, tokens,
973 						       count, array, offset);
974 			break;
975 		default:
976 			dev_err(scomp->dev, "error: unknown token type %d\n",
977 				array->type);
978 			return -EINVAL;
979 		}
980 
981 		/* next array */
982 		array = (struct snd_soc_tplg_vendor_array *)((u8 *)array
983 			+ asize);
984 
985 		/* move to next target struct */
986 		if (found >= count) {
987 			offset += object_size;
988 			total += found;
989 			found = 0;
990 		}
991 	}
992 
993 	return 0;
994 }
995 
996 static int sof_parse_tokens(struct snd_soc_component *scomp,
997 			    void *object,
998 			    const struct sof_topology_token *tokens,
999 			    int count,
1000 			    struct snd_soc_tplg_vendor_array *array,
1001 			    int priv_size)
1002 {
1003 	/*
1004 	 * sof_parse_tokens is used when topology contains only a single set of
1005 	 * identical tuples arrays. So additional parameters to
1006 	 * sof_parse_token_sets are sets = 1 (only 1 set) and
1007 	 * object_size = 0 (irrelevant).
1008 	 */
1009 	return sof_parse_token_sets(scomp, object, tokens, count, array,
1010 				    priv_size, 1, 0);
1011 }
1012 
1013 static void sof_dbg_comp_config(struct snd_soc_component *scomp,
1014 				struct sof_ipc_comp_config *config)
1015 {
1016 	dev_dbg(scomp->dev, " config: periods snk %d src %d fmt %d\n",
1017 		config->periods_sink, config->periods_source,
1018 		config->frame_fmt);
1019 }
1020 
1021 /*
1022  * Standard Kcontrols.
1023  */
1024 
1025 static int sof_control_load_volume(struct snd_soc_component *scomp,
1026 				   struct snd_sof_control *scontrol,
1027 				   struct snd_kcontrol_new *kc,
1028 				   struct snd_soc_tplg_ctl_hdr *hdr)
1029 {
1030 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1031 	struct snd_soc_tplg_mixer_control *mc =
1032 		container_of(hdr, struct snd_soc_tplg_mixer_control, hdr);
1033 	struct sof_ipc_ctrl_data *cdata;
1034 	int tlv[TLV_ITEMS];
1035 	unsigned int i;
1036 	int ret;
1037 
1038 	/* validate topology data */
1039 	if (le32_to_cpu(mc->num_channels) > SND_SOC_TPLG_MAX_CHAN) {
1040 		ret = -EINVAL;
1041 		goto out;
1042 	}
1043 
1044 	/*
1045 	 * If control has more than 2 channels we need to override the info. This is because even if
1046 	 * ASoC layer has defined topology's max channel count to SND_SOC_TPLG_MAX_CHAN = 8, the
1047 	 * pre-defined dapm control types (and related functions) creating the actual control
1048 	 * restrict the channels only to mono or stereo.
1049 	 */
1050 	if (le32_to_cpu(mc->num_channels) > 2)
1051 		kc->info = snd_sof_volume_info;
1052 
1053 	/* init the volume get/put data */
1054 	scontrol->size = struct_size(scontrol->control_data, chanv,
1055 				     le32_to_cpu(mc->num_channels));
1056 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1057 	if (!scontrol->control_data) {
1058 		ret = -ENOMEM;
1059 		goto out;
1060 	}
1061 
1062 	scontrol->comp_id = sdev->next_comp_id;
1063 	scontrol->min_volume_step = le32_to_cpu(mc->min);
1064 	scontrol->max_volume_step = le32_to_cpu(mc->max);
1065 	scontrol->num_channels = le32_to_cpu(mc->num_channels);
1066 
1067 	/* set cmd for mixer control */
1068 	if (le32_to_cpu(mc->max) == 1) {
1069 		scontrol->cmd = SOF_CTRL_CMD_SWITCH;
1070 		goto skip;
1071 	}
1072 
1073 	scontrol->cmd = SOF_CTRL_CMD_VOLUME;
1074 
1075 	/* extract tlv data */
1076 	if (!kc->tlv.p || get_tlv_data(kc->tlv.p, tlv) < 0) {
1077 		dev_err(scomp->dev, "error: invalid TLV data\n");
1078 		ret = -EINVAL;
1079 		goto out_free;
1080 	}
1081 
1082 	/* set up volume table */
1083 	ret = set_up_volume_table(scontrol, tlv, le32_to_cpu(mc->max) + 1);
1084 	if (ret < 0) {
1085 		dev_err(scomp->dev, "error: setting up volume table\n");
1086 		goto out_free;
1087 	}
1088 
1089 	/* set default volume values to 0dB in control */
1090 	cdata = scontrol->control_data;
1091 	for (i = 0; i < scontrol->num_channels; i++) {
1092 		cdata->chanv[i].channel = i;
1093 		cdata->chanv[i].value = VOL_ZERO_DB;
1094 	}
1095 
1096 skip:
1097 	/* set up possible led control from mixer private data */
1098 	ret = sof_parse_tokens(scomp, &scontrol->led_ctl, led_tokens,
1099 			       ARRAY_SIZE(led_tokens), mc->priv.array,
1100 			       le32_to_cpu(mc->priv.size));
1101 	if (ret != 0) {
1102 		dev_err(scomp->dev, "error: parse led tokens failed %d\n",
1103 			le32_to_cpu(mc->priv.size));
1104 		goto out_free_table;
1105 	}
1106 
1107 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1108 		scontrol->comp_id, scontrol->num_channels);
1109 
1110 	return 0;
1111 
1112 out_free_table:
1113 	if (le32_to_cpu(mc->max) > 1)
1114 		kfree(scontrol->volume_table);
1115 out_free:
1116 	kfree(scontrol->control_data);
1117 out:
1118 	return ret;
1119 }
1120 
1121 static int sof_control_load_enum(struct snd_soc_component *scomp,
1122 				 struct snd_sof_control *scontrol,
1123 				 struct snd_kcontrol_new *kc,
1124 				 struct snd_soc_tplg_ctl_hdr *hdr)
1125 {
1126 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1127 	struct snd_soc_tplg_enum_control *ec =
1128 		container_of(hdr, struct snd_soc_tplg_enum_control, hdr);
1129 
1130 	/* validate topology data */
1131 	if (le32_to_cpu(ec->num_channels) > SND_SOC_TPLG_MAX_CHAN)
1132 		return -EINVAL;
1133 
1134 	/* init the enum get/put data */
1135 	scontrol->size = struct_size(scontrol->control_data, chanv,
1136 				     le32_to_cpu(ec->num_channels));
1137 	scontrol->control_data = kzalloc(scontrol->size, GFP_KERNEL);
1138 	if (!scontrol->control_data)
1139 		return -ENOMEM;
1140 
1141 	scontrol->comp_id = sdev->next_comp_id;
1142 	scontrol->num_channels = le32_to_cpu(ec->num_channels);
1143 
1144 	scontrol->cmd = SOF_CTRL_CMD_ENUM;
1145 
1146 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d comp_id %d\n",
1147 		scontrol->comp_id, scontrol->num_channels, scontrol->comp_id);
1148 
1149 	return 0;
1150 }
1151 
1152 static int sof_control_load_bytes(struct snd_soc_component *scomp,
1153 				  struct snd_sof_control *scontrol,
1154 				  struct snd_kcontrol_new *kc,
1155 				  struct snd_soc_tplg_ctl_hdr *hdr)
1156 {
1157 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1158 	struct sof_ipc_ctrl_data *cdata;
1159 	struct snd_soc_tplg_bytes_control *control =
1160 		container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
1161 	struct soc_bytes_ext *sbe = (struct soc_bytes_ext *)kc->private_value;
1162 	size_t max_size = sbe->max;
1163 	size_t priv_size = le32_to_cpu(control->priv.size);
1164 	int ret;
1165 
1166 	if (max_size < sizeof(struct sof_ipc_ctrl_data) ||
1167 	    max_size < sizeof(struct sof_abi_hdr)) {
1168 		ret = -EINVAL;
1169 		goto out;
1170 	}
1171 
1172 	/* init the get/put bytes data */
1173 	if (priv_size > max_size - sizeof(struct sof_ipc_ctrl_data)) {
1174 		dev_err(scomp->dev, "err: bytes data size %zu exceeds max %zu.\n",
1175 			priv_size, max_size - sizeof(struct sof_ipc_ctrl_data));
1176 		ret = -EINVAL;
1177 		goto out;
1178 	}
1179 
1180 	scontrol->size = sizeof(struct sof_ipc_ctrl_data) + priv_size;
1181 
1182 	scontrol->control_data = kzalloc(max_size, GFP_KERNEL);
1183 	cdata = scontrol->control_data;
1184 	if (!scontrol->control_data) {
1185 		ret = -ENOMEM;
1186 		goto out;
1187 	}
1188 
1189 	scontrol->comp_id = sdev->next_comp_id;
1190 	scontrol->cmd = SOF_CTRL_CMD_BINARY;
1191 
1192 	dev_dbg(scomp->dev, "tplg: load kcontrol index %d chans %d\n",
1193 		scontrol->comp_id, scontrol->num_channels);
1194 
1195 	if (le32_to_cpu(control->priv.size) > 0) {
1196 		memcpy(cdata->data, control->priv.data,
1197 		       le32_to_cpu(control->priv.size));
1198 
1199 		if (cdata->data->magic != SOF_ABI_MAGIC) {
1200 			dev_err(scomp->dev, "error: Wrong ABI magic 0x%08x.\n",
1201 				cdata->data->magic);
1202 			ret = -EINVAL;
1203 			goto out_free;
1204 		}
1205 		if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION,
1206 						 cdata->data->abi)) {
1207 			dev_err(scomp->dev,
1208 				"error: Incompatible ABI version 0x%08x.\n",
1209 				cdata->data->abi);
1210 			ret = -EINVAL;
1211 			goto out_free;
1212 		}
1213 		if (cdata->data->size + sizeof(struct sof_abi_hdr) !=
1214 		    le32_to_cpu(control->priv.size)) {
1215 			dev_err(scomp->dev,
1216 				"error: Conflict in bytes vs. priv size.\n");
1217 			ret = -EINVAL;
1218 			goto out_free;
1219 		}
1220 	}
1221 
1222 	return 0;
1223 
1224 out_free:
1225 	kfree(scontrol->control_data);
1226 out:
1227 	return ret;
1228 }
1229 
1230 /* external kcontrol init - used for any driver specific init */
1231 static int sof_control_load(struct snd_soc_component *scomp, int index,
1232 			    struct snd_kcontrol_new *kc,
1233 			    struct snd_soc_tplg_ctl_hdr *hdr)
1234 {
1235 	struct soc_mixer_control *sm;
1236 	struct soc_bytes_ext *sbe;
1237 	struct soc_enum *se;
1238 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1239 	struct snd_soc_dobj *dobj;
1240 	struct snd_sof_control *scontrol;
1241 	int ret;
1242 
1243 	dev_dbg(scomp->dev, "tplg: load control type %d name : %s\n",
1244 		hdr->type, hdr->name);
1245 
1246 	scontrol = kzalloc(sizeof(*scontrol), GFP_KERNEL);
1247 	if (!scontrol)
1248 		return -ENOMEM;
1249 
1250 	scontrol->scomp = scomp;
1251 
1252 	switch (le32_to_cpu(hdr->ops.info)) {
1253 	case SND_SOC_TPLG_CTL_VOLSW:
1254 	case SND_SOC_TPLG_CTL_VOLSW_SX:
1255 	case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1256 		sm = (struct soc_mixer_control *)kc->private_value;
1257 		dobj = &sm->dobj;
1258 		ret = sof_control_load_volume(scomp, scontrol, kc, hdr);
1259 		break;
1260 	case SND_SOC_TPLG_CTL_BYTES:
1261 		sbe = (struct soc_bytes_ext *)kc->private_value;
1262 		dobj = &sbe->dobj;
1263 		ret = sof_control_load_bytes(scomp, scontrol, kc, hdr);
1264 		break;
1265 	case SND_SOC_TPLG_CTL_ENUM:
1266 	case SND_SOC_TPLG_CTL_ENUM_VALUE:
1267 		se = (struct soc_enum *)kc->private_value;
1268 		dobj = &se->dobj;
1269 		ret = sof_control_load_enum(scomp, scontrol, kc, hdr);
1270 		break;
1271 	case SND_SOC_TPLG_CTL_RANGE:
1272 	case SND_SOC_TPLG_CTL_STROBE:
1273 	case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1274 	case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1275 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1276 	case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1277 	case SND_SOC_TPLG_DAPM_CTL_PIN:
1278 	default:
1279 		dev_warn(scomp->dev, "control type not supported %d:%d:%d\n",
1280 			 hdr->ops.get, hdr->ops.put, hdr->ops.info);
1281 		kfree(scontrol);
1282 		return 0;
1283 	}
1284 
1285 	if (ret < 0) {
1286 		kfree(scontrol);
1287 		return ret;
1288 	}
1289 
1290 	scontrol->led_ctl.led_value = -1;
1291 
1292 	dobj->private = scontrol;
1293 	list_add(&scontrol->list, &sdev->kcontrol_list);
1294 	return 0;
1295 }
1296 
1297 static int sof_control_unload(struct snd_soc_component *scomp,
1298 			      struct snd_soc_dobj *dobj)
1299 {
1300 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1301 	struct sof_ipc_free fcomp;
1302 	struct snd_sof_control *scontrol = dobj->private;
1303 
1304 	dev_dbg(scomp->dev, "tplg: unload control name : %s\n", scomp->name);
1305 
1306 	fcomp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_FREE;
1307 	fcomp.hdr.size = sizeof(fcomp);
1308 	fcomp.id = scontrol->comp_id;
1309 
1310 	kfree(scontrol->control_data);
1311 	list_del(&scontrol->list);
1312 	kfree(scontrol);
1313 	/* send IPC to the DSP */
1314 	return sof_ipc_tx_message(sdev->ipc,
1315 				  fcomp.hdr.cmd, &fcomp, sizeof(fcomp),
1316 				  NULL, 0);
1317 }
1318 
1319 /*
1320  * DAI Topology
1321  */
1322 
1323 /* Static DSP core power management so far, should be extended in the future */
1324 static int sof_core_enable(struct snd_sof_dev *sdev, int core)
1325 {
1326 	struct sof_ipc_pm_core_config pm_core_config = {
1327 		.hdr = {
1328 			.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE,
1329 			.size = sizeof(pm_core_config),
1330 		},
1331 		.enable_mask = sdev->enabled_cores_mask | BIT(core),
1332 	};
1333 	int ret;
1334 
1335 	if (sdev->enabled_cores_mask & BIT(core))
1336 		return 0;
1337 
1338 	/* power up the core if it is host managed */
1339 	ret = snd_sof_dsp_core_power_up(sdev, BIT(core));
1340 	if (ret < 0) {
1341 		dev_err(sdev->dev, "error: %d powering up core %d\n",
1342 			ret, core);
1343 		return ret;
1344 	}
1345 
1346 	/* Now notify DSP */
1347 	ret = sof_ipc_tx_message(sdev->ipc, pm_core_config.hdr.cmd,
1348 				 &pm_core_config, sizeof(pm_core_config),
1349 				 &pm_core_config, sizeof(pm_core_config));
1350 	if (ret < 0) {
1351 		dev_err(sdev->dev, "error: core %d enable ipc failure %d\n",
1352 			core, ret);
1353 		goto err;
1354 	}
1355 	return ret;
1356 err:
1357 	/* power down core if it is host managed and return the original error if this fails too */
1358 	if (snd_sof_dsp_core_power_down(sdev, BIT(core)) < 0)
1359 		dev_err(sdev->dev, "error: powering down core %d\n", core);
1360 
1361 	return ret;
1362 }
1363 
1364 int sof_pipeline_core_enable(struct snd_sof_dev *sdev,
1365 			     const struct snd_sof_widget *swidget)
1366 {
1367 	const struct sof_ipc_pipe_new *pipeline;
1368 	int ret;
1369 
1370 	if (swidget->id == snd_soc_dapm_scheduler) {
1371 		pipeline = swidget->private;
1372 	} else {
1373 		pipeline = snd_sof_pipeline_find(sdev, swidget->pipeline_id);
1374 		if (!pipeline)
1375 			return -ENOENT;
1376 	}
1377 
1378 	/* First enable the pipeline core */
1379 	ret = sof_core_enable(sdev, pipeline->core);
1380 	if (ret < 0)
1381 		return ret;
1382 
1383 	return sof_core_enable(sdev, swidget->core);
1384 }
1385 
1386 static int sof_connect_dai_widget(struct snd_soc_component *scomp,
1387 				  struct snd_soc_dapm_widget *w,
1388 				  struct snd_soc_tplg_dapm_widget *tw,
1389 				  struct snd_sof_dai *dai)
1390 {
1391 	struct snd_soc_card *card = scomp->card;
1392 	struct snd_soc_pcm_runtime *rtd;
1393 	struct snd_soc_dai *cpu_dai;
1394 	int i;
1395 
1396 	list_for_each_entry(rtd, &card->rtd_list, list) {
1397 		dev_vdbg(scomp->dev, "tplg: check widget: %s stream: %s dai stream: %s\n",
1398 			 w->name,  w->sname, rtd->dai_link->stream_name);
1399 
1400 		if (!w->sname || !rtd->dai_link->stream_name)
1401 			continue;
1402 
1403 		/* does stream match DAI link ? */
1404 		if (strcmp(w->sname, rtd->dai_link->stream_name))
1405 			continue;
1406 
1407 		switch (w->id) {
1408 		case snd_soc_dapm_dai_out:
1409 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1410 				/*
1411 				 * Please create DAI widget in the right order
1412 				 * to ensure BE will connect to the right DAI
1413 				 * widget.
1414 				 */
1415 				if (!cpu_dai->capture_widget) {
1416 					cpu_dai->capture_widget = w;
1417 					break;
1418 				}
1419 			}
1420 			if (i == rtd->num_cpus) {
1421 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1422 					w->name);
1423 
1424 				return -EINVAL;
1425 			}
1426 			dai->name = rtd->dai_link->name;
1427 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1428 				w->name, rtd->dai_link->name);
1429 			break;
1430 		case snd_soc_dapm_dai_in:
1431 			for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
1432 				/*
1433 				 * Please create DAI widget in the right order
1434 				 * to ensure BE will connect to the right DAI
1435 				 * widget.
1436 				 */
1437 				if (!cpu_dai->playback_widget) {
1438 					cpu_dai->playback_widget = w;
1439 					break;
1440 				}
1441 			}
1442 			if (i == rtd->num_cpus) {
1443 				dev_err(scomp->dev, "error: can't find BE for DAI %s\n",
1444 					w->name);
1445 
1446 				return -EINVAL;
1447 			}
1448 			dai->name = rtd->dai_link->name;
1449 			dev_dbg(scomp->dev, "tplg: connected widget %s -> DAI link %s\n",
1450 				w->name, rtd->dai_link->name);
1451 			break;
1452 		default:
1453 			break;
1454 		}
1455 	}
1456 
1457 	/* check we have a connection */
1458 	if (!dai->name) {
1459 		dev_err(scomp->dev, "error: can't connect DAI %s stream %s\n",
1460 			w->name, w->sname);
1461 		return -EINVAL;
1462 	}
1463 
1464 	return 0;
1465 }
1466 
1467 /**
1468  * sof_comp_alloc - allocate and initialize buffer for a new component
1469  * @swidget: pointer to struct snd_sof_widget containing extended data
1470  * @ipc_size: IPC payload size that will be updated depending on valid
1471  *  extended data.
1472  * @index: ID of the pipeline the component belongs to
1473  *
1474  * Return: The pointer to the new allocated component, NULL if failed.
1475  */
1476 static struct sof_ipc_comp *sof_comp_alloc(struct snd_sof_widget *swidget,
1477 					   size_t *ipc_size, int index)
1478 {
1479 	u8 nil_uuid[SOF_UUID_SIZE] = {0};
1480 	struct sof_ipc_comp *comp;
1481 	size_t total_size = *ipc_size;
1482 
1483 	/* only non-zero UUID is valid */
1484 	if (memcmp(&swidget->comp_ext, nil_uuid, SOF_UUID_SIZE))
1485 		total_size += sizeof(swidget->comp_ext);
1486 
1487 	comp = kzalloc(total_size, GFP_KERNEL);
1488 	if (!comp)
1489 		return NULL;
1490 
1491 	/* configure comp new IPC message */
1492 	comp->hdr.size = total_size;
1493 	comp->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
1494 	comp->id = swidget->comp_id;
1495 	comp->pipeline_id = index;
1496 	comp->core = swidget->core;
1497 
1498 	/* handle the extended data if needed */
1499 	if (total_size > *ipc_size) {
1500 		/* append extended data to the end of the component */
1501 		memcpy((u8 *)comp + *ipc_size, &swidget->comp_ext, sizeof(swidget->comp_ext));
1502 		comp->ext_data_length = sizeof(swidget->comp_ext);
1503 	}
1504 
1505 	/* update ipc_size and return */
1506 	*ipc_size = total_size;
1507 	return comp;
1508 }
1509 
1510 static int sof_widget_load_dai(struct snd_soc_component *scomp, int index,
1511 			       struct snd_sof_widget *swidget,
1512 			       struct snd_soc_tplg_dapm_widget *tw,
1513 			       struct sof_ipc_comp_reply *r,
1514 			       struct snd_sof_dai *dai)
1515 {
1516 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1517 	struct snd_soc_tplg_private *private = &tw->priv;
1518 	struct sof_ipc_comp_dai *comp_dai;
1519 	size_t ipc_size = sizeof(*comp_dai);
1520 	int ret;
1521 
1522 	comp_dai = (struct sof_ipc_comp_dai *)
1523 		   sof_comp_alloc(swidget, &ipc_size, index);
1524 	if (!comp_dai)
1525 		return -ENOMEM;
1526 
1527 	/* configure dai IPC message */
1528 	comp_dai->comp.type = SOF_COMP_DAI;
1529 	comp_dai->config.hdr.size = sizeof(comp_dai->config);
1530 
1531 	ret = sof_parse_tokens(scomp, comp_dai, dai_tokens,
1532 			       ARRAY_SIZE(dai_tokens), private->array,
1533 			       le32_to_cpu(private->size));
1534 	if (ret != 0) {
1535 		dev_err(scomp->dev, "error: parse dai tokens failed %d\n",
1536 			le32_to_cpu(private->size));
1537 		goto finish;
1538 	}
1539 
1540 	ret = sof_parse_tokens(scomp, &comp_dai->config, comp_tokens,
1541 			       ARRAY_SIZE(comp_tokens), private->array,
1542 			       le32_to_cpu(private->size));
1543 	if (ret != 0) {
1544 		dev_err(scomp->dev, "error: parse dai.cfg tokens failed %d\n",
1545 			private->size);
1546 		goto finish;
1547 	}
1548 
1549 	dev_dbg(scomp->dev, "dai %s: type %d index %d\n",
1550 		swidget->widget->name, comp_dai->type, comp_dai->dai_index);
1551 	sof_dbg_comp_config(scomp, &comp_dai->config);
1552 
1553 	ret = sof_ipc_tx_message(sdev->ipc, comp_dai->comp.hdr.cmd,
1554 				 comp_dai, ipc_size, r, sizeof(*r));
1555 
1556 	if (ret == 0 && dai) {
1557 		dai->scomp = scomp;
1558 
1559 		/*
1560 		 * copy only the sof_ipc_comp_dai to avoid collapsing
1561 		 * the snd_sof_dai, the extended data is kept in the
1562 		 * snd_sof_widget.
1563 		 */
1564 		memcpy(&dai->comp_dai, comp_dai, sizeof(*comp_dai));
1565 	}
1566 
1567 finish:
1568 	kfree(comp_dai);
1569 	return ret;
1570 }
1571 
1572 /*
1573  * Buffer topology
1574  */
1575 
1576 static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
1577 				  struct snd_sof_widget *swidget,
1578 				  struct snd_soc_tplg_dapm_widget *tw,
1579 				  struct sof_ipc_comp_reply *r)
1580 {
1581 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1582 	struct snd_soc_tplg_private *private = &tw->priv;
1583 	struct sof_ipc_buffer *buffer;
1584 	int ret;
1585 
1586 	buffer = kzalloc(sizeof(*buffer), GFP_KERNEL);
1587 	if (!buffer)
1588 		return -ENOMEM;
1589 
1590 	/* configure dai IPC message */
1591 	buffer->comp.hdr.size = sizeof(*buffer);
1592 	buffer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_BUFFER_NEW;
1593 	buffer->comp.id = swidget->comp_id;
1594 	buffer->comp.type = SOF_COMP_BUFFER;
1595 	buffer->comp.pipeline_id = index;
1596 	buffer->comp.core = swidget->core;
1597 
1598 	ret = sof_parse_tokens(scomp, buffer, buffer_tokens,
1599 			       ARRAY_SIZE(buffer_tokens), private->array,
1600 			       le32_to_cpu(private->size));
1601 	if (ret != 0) {
1602 		dev_err(scomp->dev, "error: parse buffer tokens failed %d\n",
1603 			private->size);
1604 		kfree(buffer);
1605 		return ret;
1606 	}
1607 
1608 	dev_dbg(scomp->dev, "buffer %s: size %d caps 0x%x\n",
1609 		swidget->widget->name, buffer->size, buffer->caps);
1610 
1611 	swidget->private = buffer;
1612 
1613 	ret = sof_ipc_tx_message(sdev->ipc, buffer->comp.hdr.cmd, buffer,
1614 				 sizeof(*buffer), r, sizeof(*r));
1615 	if (ret < 0) {
1616 		dev_err(scomp->dev, "error: buffer %s load failed\n",
1617 			swidget->widget->name);
1618 		kfree(buffer);
1619 	}
1620 
1621 	return ret;
1622 }
1623 
1624 /* bind PCM ID to host component ID */
1625 static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
1626 		     int dir)
1627 {
1628 	struct snd_sof_widget *host_widget;
1629 
1630 	host_widget = snd_sof_find_swidget_sname(scomp,
1631 						 spcm->pcm.caps[dir].name,
1632 						 dir);
1633 	if (!host_widget) {
1634 		dev_err(scomp->dev, "can't find host comp to bind pcm\n");
1635 		return -EINVAL;
1636 	}
1637 
1638 	spcm->stream[dir].comp_id = host_widget->comp_id;
1639 
1640 	return 0;
1641 }
1642 
1643 /*
1644  * PCM Topology
1645  */
1646 
1647 static int sof_widget_load_pcm(struct snd_soc_component *scomp, int index,
1648 			       struct snd_sof_widget *swidget,
1649 			       enum sof_ipc_stream_direction dir,
1650 			       struct snd_soc_tplg_dapm_widget *tw,
1651 			       struct sof_ipc_comp_reply *r)
1652 {
1653 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1654 	struct snd_soc_tplg_private *private = &tw->priv;
1655 	struct sof_ipc_comp_host *host;
1656 	size_t ipc_size = sizeof(*host);
1657 	int ret;
1658 
1659 	host = (struct sof_ipc_comp_host *)
1660 	       sof_comp_alloc(swidget, &ipc_size, index);
1661 	if (!host)
1662 		return -ENOMEM;
1663 
1664 	/* configure host comp IPC message */
1665 	host->comp.type = SOF_COMP_HOST;
1666 	host->direction = dir;
1667 	host->config.hdr.size = sizeof(host->config);
1668 
1669 	ret = sof_parse_tokens(scomp, host, pcm_tokens,
1670 			       ARRAY_SIZE(pcm_tokens), private->array,
1671 			       le32_to_cpu(private->size));
1672 	if (ret != 0) {
1673 		dev_err(scomp->dev, "error: parse host tokens failed %d\n",
1674 			private->size);
1675 		goto err;
1676 	}
1677 
1678 	ret = sof_parse_tokens(scomp, &host->config, comp_tokens,
1679 			       ARRAY_SIZE(comp_tokens), private->array,
1680 			       le32_to_cpu(private->size));
1681 	if (ret != 0) {
1682 		dev_err(scomp->dev, "error: parse host.cfg tokens failed %d\n",
1683 			le32_to_cpu(private->size));
1684 		goto err;
1685 	}
1686 
1687 	dev_dbg(scomp->dev, "loaded host %s\n", swidget->widget->name);
1688 	sof_dbg_comp_config(scomp, &host->config);
1689 
1690 	swidget->private = host;
1691 
1692 	ret = sof_ipc_tx_message(sdev->ipc, host->comp.hdr.cmd, host,
1693 				 ipc_size, r, sizeof(*r));
1694 	if (ret >= 0)
1695 		return ret;
1696 err:
1697 	kfree(host);
1698 	return ret;
1699 }
1700 
1701 /*
1702  * Pipeline Topology
1703  */
1704 int sof_load_pipeline_ipc(struct device *dev,
1705 			  struct sof_ipc_pipe_new *pipeline,
1706 			  struct sof_ipc_comp_reply *r)
1707 {
1708 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
1709 	int ret = sof_core_enable(sdev, pipeline->core);
1710 
1711 	if (ret < 0)
1712 		return ret;
1713 
1714 	ret = sof_ipc_tx_message(sdev->ipc, pipeline->hdr.cmd, pipeline,
1715 				 sizeof(*pipeline), r, sizeof(*r));
1716 	if (ret < 0)
1717 		dev_err(dev, "error: load pipeline ipc failure\n");
1718 
1719 	return ret;
1720 }
1721 
1722 static int sof_widget_load_pipeline(struct snd_soc_component *scomp, int index,
1723 				    struct snd_sof_widget *swidget,
1724 				    struct snd_soc_tplg_dapm_widget *tw,
1725 				    struct sof_ipc_comp_reply *r)
1726 {
1727 	struct snd_soc_tplg_private *private = &tw->priv;
1728 	struct sof_ipc_pipe_new *pipeline;
1729 	struct snd_sof_widget *comp_swidget;
1730 	int ret;
1731 
1732 	pipeline = kzalloc(sizeof(*pipeline), GFP_KERNEL);
1733 	if (!pipeline)
1734 		return -ENOMEM;
1735 
1736 	/* configure dai IPC message */
1737 	pipeline->hdr.size = sizeof(*pipeline);
1738 	pipeline->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_NEW;
1739 	pipeline->pipeline_id = index;
1740 	pipeline->comp_id = swidget->comp_id;
1741 
1742 	/* component at start of pipeline is our stream id */
1743 	comp_swidget = snd_sof_find_swidget(scomp, tw->sname);
1744 	if (!comp_swidget) {
1745 		dev_err(scomp->dev, "error: widget %s refers to non existent widget %s\n",
1746 			tw->name, tw->sname);
1747 		ret = -EINVAL;
1748 		goto err;
1749 	}
1750 
1751 	pipeline->sched_id = comp_swidget->comp_id;
1752 
1753 	dev_dbg(scomp->dev, "tplg: pipeline id %d comp %d scheduling comp id %d\n",
1754 		pipeline->pipeline_id, pipeline->comp_id, pipeline->sched_id);
1755 
1756 	ret = sof_parse_tokens(scomp, pipeline, sched_tokens,
1757 			       ARRAY_SIZE(sched_tokens), private->array,
1758 			       le32_to_cpu(private->size));
1759 	if (ret != 0) {
1760 		dev_err(scomp->dev, "error: parse pipeline tokens failed %d\n",
1761 			private->size);
1762 		goto err;
1763 	}
1764 
1765 	dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n",
1766 		swidget->widget->name, pipeline->period, pipeline->priority,
1767 		pipeline->period_mips, pipeline->core, pipeline->frames_per_sched);
1768 
1769 	swidget->private = pipeline;
1770 
1771 	/* send ipc's to create pipeline comp and power up schedule core */
1772 	ret = sof_load_pipeline_ipc(scomp->dev, pipeline, r);
1773 	if (ret >= 0)
1774 		return ret;
1775 err:
1776 	kfree(pipeline);
1777 	return ret;
1778 }
1779 
1780 /*
1781  * Mixer topology
1782  */
1783 
1784 static int sof_widget_load_mixer(struct snd_soc_component *scomp, int index,
1785 				 struct snd_sof_widget *swidget,
1786 				 struct snd_soc_tplg_dapm_widget *tw,
1787 				 struct sof_ipc_comp_reply *r)
1788 {
1789 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1790 	struct snd_soc_tplg_private *private = &tw->priv;
1791 	struct sof_ipc_comp_mixer *mixer;
1792 	size_t ipc_size = sizeof(*mixer);
1793 	int ret;
1794 
1795 	mixer = (struct sof_ipc_comp_mixer *)
1796 		sof_comp_alloc(swidget, &ipc_size, index);
1797 	if (!mixer)
1798 		return -ENOMEM;
1799 
1800 	/* configure mixer IPC message */
1801 	mixer->comp.type = SOF_COMP_MIXER;
1802 	mixer->config.hdr.size = sizeof(mixer->config);
1803 
1804 	ret = sof_parse_tokens(scomp, &mixer->config, comp_tokens,
1805 			       ARRAY_SIZE(comp_tokens), private->array,
1806 			       le32_to_cpu(private->size));
1807 	if (ret != 0) {
1808 		dev_err(scomp->dev, "error: parse mixer.cfg tokens failed %d\n",
1809 			private->size);
1810 		kfree(mixer);
1811 		return ret;
1812 	}
1813 
1814 	sof_dbg_comp_config(scomp, &mixer->config);
1815 
1816 	swidget->private = mixer;
1817 
1818 	ret = sof_ipc_tx_message(sdev->ipc, mixer->comp.hdr.cmd, mixer,
1819 				 ipc_size, r, sizeof(*r));
1820 	if (ret < 0)
1821 		kfree(mixer);
1822 
1823 	return ret;
1824 }
1825 
1826 /*
1827  * Mux topology
1828  */
1829 static int sof_widget_load_mux(struct snd_soc_component *scomp, int index,
1830 			       struct snd_sof_widget *swidget,
1831 			       struct snd_soc_tplg_dapm_widget *tw,
1832 			       struct sof_ipc_comp_reply *r)
1833 {
1834 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1835 	struct snd_soc_tplg_private *private = &tw->priv;
1836 	struct sof_ipc_comp_mux *mux;
1837 	size_t ipc_size = sizeof(*mux);
1838 	int ret;
1839 
1840 	mux = (struct sof_ipc_comp_mux *)
1841 	      sof_comp_alloc(swidget, &ipc_size, index);
1842 	if (!mux)
1843 		return -ENOMEM;
1844 
1845 	/* configure mux IPC message */
1846 	mux->comp.type = SOF_COMP_MUX;
1847 	mux->config.hdr.size = sizeof(mux->config);
1848 
1849 	ret = sof_parse_tokens(scomp, &mux->config, comp_tokens,
1850 			       ARRAY_SIZE(comp_tokens), private->array,
1851 			       le32_to_cpu(private->size));
1852 	if (ret != 0) {
1853 		dev_err(scomp->dev, "error: parse mux.cfg tokens failed %d\n",
1854 			private->size);
1855 		kfree(mux);
1856 		return ret;
1857 	}
1858 
1859 	sof_dbg_comp_config(scomp, &mux->config);
1860 
1861 	swidget->private = mux;
1862 
1863 	ret = sof_ipc_tx_message(sdev->ipc, mux->comp.hdr.cmd, mux,
1864 				 ipc_size, r, sizeof(*r));
1865 	if (ret < 0)
1866 		kfree(mux);
1867 
1868 	return ret;
1869 }
1870 
1871 /*
1872  * PGA Topology
1873  */
1874 
1875 static int sof_widget_load_pga(struct snd_soc_component *scomp, int index,
1876 			       struct snd_sof_widget *swidget,
1877 			       struct snd_soc_tplg_dapm_widget *tw,
1878 			       struct sof_ipc_comp_reply *r)
1879 {
1880 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1881 	struct snd_soc_tplg_private *private = &tw->priv;
1882 	struct sof_ipc_comp_volume *volume;
1883 	struct snd_sof_control *scontrol;
1884 	size_t ipc_size = sizeof(*volume);
1885 	int min_step;
1886 	int max_step;
1887 	int ret;
1888 
1889 	volume = (struct sof_ipc_comp_volume *)
1890 		 sof_comp_alloc(swidget, &ipc_size, index);
1891 	if (!volume)
1892 		return -ENOMEM;
1893 
1894 	if (!le32_to_cpu(tw->num_kcontrols)) {
1895 		dev_err(scomp->dev, "error: invalid kcontrol count %d for volume\n",
1896 			tw->num_kcontrols);
1897 		ret = -EINVAL;
1898 		goto err;
1899 	}
1900 
1901 	/* configure volume IPC message */
1902 	volume->comp.type = SOF_COMP_VOLUME;
1903 	volume->config.hdr.size = sizeof(volume->config);
1904 
1905 	ret = sof_parse_tokens(scomp, volume, volume_tokens,
1906 			       ARRAY_SIZE(volume_tokens), private->array,
1907 			       le32_to_cpu(private->size));
1908 	if (ret != 0) {
1909 		dev_err(scomp->dev, "error: parse volume tokens failed %d\n",
1910 			private->size);
1911 		goto err;
1912 	}
1913 	ret = sof_parse_tokens(scomp, &volume->config, comp_tokens,
1914 			       ARRAY_SIZE(comp_tokens), private->array,
1915 			       le32_to_cpu(private->size));
1916 	if (ret != 0) {
1917 		dev_err(scomp->dev, "error: parse volume.cfg tokens failed %d\n",
1918 			le32_to_cpu(private->size));
1919 		goto err;
1920 	}
1921 
1922 	sof_dbg_comp_config(scomp, &volume->config);
1923 
1924 	swidget->private = volume;
1925 
1926 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
1927 		if (scontrol->comp_id == swidget->comp_id &&
1928 		    scontrol->volume_table) {
1929 			min_step = scontrol->min_volume_step;
1930 			max_step = scontrol->max_volume_step;
1931 			volume->min_value = scontrol->volume_table[min_step];
1932 			volume->max_value = scontrol->volume_table[max_step];
1933 			volume->channels = scontrol->num_channels;
1934 			break;
1935 		}
1936 	}
1937 
1938 	ret = sof_ipc_tx_message(sdev->ipc, volume->comp.hdr.cmd, volume,
1939 				 ipc_size, r, sizeof(*r));
1940 	if (ret >= 0)
1941 		return ret;
1942 err:
1943 	kfree(volume);
1944 	return ret;
1945 }
1946 
1947 /*
1948  * SRC Topology
1949  */
1950 
1951 static int sof_widget_load_src(struct snd_soc_component *scomp, int index,
1952 			       struct snd_sof_widget *swidget,
1953 			       struct snd_soc_tplg_dapm_widget *tw,
1954 			       struct sof_ipc_comp_reply *r)
1955 {
1956 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
1957 	struct snd_soc_tplg_private *private = &tw->priv;
1958 	struct sof_ipc_comp_src *src;
1959 	size_t ipc_size = sizeof(*src);
1960 	int ret;
1961 
1962 	src = (struct sof_ipc_comp_src *)
1963 	      sof_comp_alloc(swidget, &ipc_size, index);
1964 	if (!src)
1965 		return -ENOMEM;
1966 
1967 	/* configure src IPC message */
1968 	src->comp.type = SOF_COMP_SRC;
1969 	src->config.hdr.size = sizeof(src->config);
1970 
1971 	ret = sof_parse_tokens(scomp, src, src_tokens,
1972 			       ARRAY_SIZE(src_tokens), private->array,
1973 			       le32_to_cpu(private->size));
1974 	if (ret != 0) {
1975 		dev_err(scomp->dev, "error: parse src tokens failed %d\n",
1976 			private->size);
1977 		goto err;
1978 	}
1979 
1980 	ret = sof_parse_tokens(scomp, &src->config, comp_tokens,
1981 			       ARRAY_SIZE(comp_tokens), private->array,
1982 			       le32_to_cpu(private->size));
1983 	if (ret != 0) {
1984 		dev_err(scomp->dev, "error: parse src.cfg tokens failed %d\n",
1985 			le32_to_cpu(private->size));
1986 		goto err;
1987 	}
1988 
1989 	dev_dbg(scomp->dev, "src %s: source rate %d sink rate %d\n",
1990 		swidget->widget->name, src->source_rate, src->sink_rate);
1991 	sof_dbg_comp_config(scomp, &src->config);
1992 
1993 	swidget->private = src;
1994 
1995 	ret = sof_ipc_tx_message(sdev->ipc, src->comp.hdr.cmd, src,
1996 				 ipc_size, r, sizeof(*r));
1997 	if (ret >= 0)
1998 		return ret;
1999 err:
2000 	kfree(src);
2001 	return ret;
2002 }
2003 
2004 /*
2005  * ASRC Topology
2006  */
2007 
2008 static int sof_widget_load_asrc(struct snd_soc_component *scomp, int index,
2009 				struct snd_sof_widget *swidget,
2010 				struct snd_soc_tplg_dapm_widget *tw,
2011 				struct sof_ipc_comp_reply *r)
2012 {
2013 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2014 	struct snd_soc_tplg_private *private = &tw->priv;
2015 	struct sof_ipc_comp_asrc *asrc;
2016 	size_t ipc_size = sizeof(*asrc);
2017 	int ret;
2018 
2019 	asrc = (struct sof_ipc_comp_asrc *)
2020 	       sof_comp_alloc(swidget, &ipc_size, index);
2021 	if (!asrc)
2022 		return -ENOMEM;
2023 
2024 	/* configure ASRC IPC message */
2025 	asrc->comp.type = SOF_COMP_ASRC;
2026 	asrc->config.hdr.size = sizeof(asrc->config);
2027 
2028 	ret = sof_parse_tokens(scomp, asrc, asrc_tokens,
2029 			       ARRAY_SIZE(asrc_tokens), private->array,
2030 			       le32_to_cpu(private->size));
2031 	if (ret != 0) {
2032 		dev_err(scomp->dev, "error: parse asrc tokens failed %d\n",
2033 			private->size);
2034 		goto err;
2035 	}
2036 
2037 	ret = sof_parse_tokens(scomp, &asrc->config, comp_tokens,
2038 			       ARRAY_SIZE(comp_tokens), private->array,
2039 			       le32_to_cpu(private->size));
2040 	if (ret != 0) {
2041 		dev_err(scomp->dev, "error: parse asrc.cfg tokens failed %d\n",
2042 			le32_to_cpu(private->size));
2043 		goto err;
2044 	}
2045 
2046 	dev_dbg(scomp->dev, "asrc %s: source rate %d sink rate %d "
2047 		"asynch %d operation %d\n",
2048 		swidget->widget->name, asrc->source_rate, asrc->sink_rate,
2049 		asrc->asynchronous_mode, asrc->operation_mode);
2050 	sof_dbg_comp_config(scomp, &asrc->config);
2051 
2052 	swidget->private = asrc;
2053 
2054 	ret = sof_ipc_tx_message(sdev->ipc, asrc->comp.hdr.cmd, asrc,
2055 				 ipc_size, r, sizeof(*r));
2056 	if (ret >= 0)
2057 		return ret;
2058 err:
2059 	kfree(asrc);
2060 	return ret;
2061 }
2062 
2063 /*
2064  * Signal Generator Topology
2065  */
2066 
2067 static int sof_widget_load_siggen(struct snd_soc_component *scomp, int index,
2068 				  struct snd_sof_widget *swidget,
2069 				  struct snd_soc_tplg_dapm_widget *tw,
2070 				  struct sof_ipc_comp_reply *r)
2071 {
2072 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2073 	struct snd_soc_tplg_private *private = &tw->priv;
2074 	struct sof_ipc_comp_tone *tone;
2075 	size_t ipc_size = sizeof(*tone);
2076 	int ret;
2077 
2078 	tone = (struct sof_ipc_comp_tone *)
2079 	       sof_comp_alloc(swidget, &ipc_size, index);
2080 	if (!tone)
2081 		return -ENOMEM;
2082 
2083 	/* configure siggen IPC message */
2084 	tone->comp.type = SOF_COMP_TONE;
2085 	tone->config.hdr.size = sizeof(tone->config);
2086 
2087 	ret = sof_parse_tokens(scomp, tone, tone_tokens,
2088 			       ARRAY_SIZE(tone_tokens), private->array,
2089 			       le32_to_cpu(private->size));
2090 	if (ret != 0) {
2091 		dev_err(scomp->dev, "error: parse tone tokens failed %d\n",
2092 			le32_to_cpu(private->size));
2093 		goto err;
2094 	}
2095 
2096 	ret = sof_parse_tokens(scomp, &tone->config, comp_tokens,
2097 			       ARRAY_SIZE(comp_tokens), private->array,
2098 			       le32_to_cpu(private->size));
2099 	if (ret != 0) {
2100 		dev_err(scomp->dev, "error: parse tone.cfg tokens failed %d\n",
2101 			le32_to_cpu(private->size));
2102 		goto err;
2103 	}
2104 
2105 	dev_dbg(scomp->dev, "tone %s: frequency %d amplitude %d\n",
2106 		swidget->widget->name, tone->frequency, tone->amplitude);
2107 	sof_dbg_comp_config(scomp, &tone->config);
2108 
2109 	swidget->private = tone;
2110 
2111 	ret = sof_ipc_tx_message(sdev->ipc, tone->comp.hdr.cmd, tone,
2112 				 ipc_size, r, sizeof(*r));
2113 	if (ret >= 0)
2114 		return ret;
2115 err:
2116 	kfree(tone);
2117 	return ret;
2118 }
2119 
2120 static int sof_get_control_data(struct snd_soc_component *scomp,
2121 				struct snd_soc_dapm_widget *widget,
2122 				struct sof_widget_data *wdata,
2123 				size_t *size)
2124 {
2125 	const struct snd_kcontrol_new *kc;
2126 	struct soc_mixer_control *sm;
2127 	struct soc_bytes_ext *sbe;
2128 	struct soc_enum *se;
2129 	int i;
2130 
2131 	*size = 0;
2132 
2133 	for (i = 0; i < widget->num_kcontrols; i++) {
2134 		kc = &widget->kcontrol_news[i];
2135 
2136 		switch (widget->dobj.widget.kcontrol_type) {
2137 		case SND_SOC_TPLG_TYPE_MIXER:
2138 			sm = (struct soc_mixer_control *)kc->private_value;
2139 			wdata[i].control = sm->dobj.private;
2140 			break;
2141 		case SND_SOC_TPLG_TYPE_BYTES:
2142 			sbe = (struct soc_bytes_ext *)kc->private_value;
2143 			wdata[i].control = sbe->dobj.private;
2144 			break;
2145 		case SND_SOC_TPLG_TYPE_ENUM:
2146 			se = (struct soc_enum *)kc->private_value;
2147 			wdata[i].control = se->dobj.private;
2148 			break;
2149 		default:
2150 			dev_err(scomp->dev, "error: unknown kcontrol type %d in widget %s\n",
2151 				widget->dobj.widget.kcontrol_type,
2152 				widget->name);
2153 			return -EINVAL;
2154 		}
2155 
2156 		if (!wdata[i].control) {
2157 			dev_err(scomp->dev, "error: no scontrol for widget %s\n",
2158 				widget->name);
2159 			return -EINVAL;
2160 		}
2161 
2162 		wdata[i].pdata = wdata[i].control->control_data->data;
2163 		if (!wdata[i].pdata)
2164 			return -EINVAL;
2165 
2166 		/* make sure data is valid - data can be updated at runtime */
2167 		if (wdata[i].pdata->magic != SOF_ABI_MAGIC)
2168 			return -EINVAL;
2169 
2170 		*size += wdata[i].pdata->size;
2171 
2172 		/* get data type */
2173 		switch (wdata[i].control->cmd) {
2174 		case SOF_CTRL_CMD_VOLUME:
2175 		case SOF_CTRL_CMD_ENUM:
2176 		case SOF_CTRL_CMD_SWITCH:
2177 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_VALUE;
2178 			wdata[i].ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
2179 			break;
2180 		case SOF_CTRL_CMD_BINARY:
2181 			wdata[i].ipc_cmd = SOF_IPC_COMP_SET_DATA;
2182 			wdata[i].ctrl_type = SOF_CTRL_TYPE_DATA_SET;
2183 			break;
2184 		default:
2185 			break;
2186 		}
2187 	}
2188 
2189 	return 0;
2190 }
2191 
2192 static int sof_process_load(struct snd_soc_component *scomp, int index,
2193 			    struct snd_sof_widget *swidget,
2194 			    struct snd_soc_tplg_dapm_widget *tw,
2195 			    struct sof_ipc_comp_reply *r,
2196 			    int type)
2197 {
2198 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2199 	struct snd_soc_dapm_widget *widget = swidget->widget;
2200 	struct snd_soc_tplg_private *private = &tw->priv;
2201 	struct sof_ipc_comp_process *process;
2202 	struct sof_widget_data *wdata = NULL;
2203 	size_t ipc_data_size = 0;
2204 	size_t ipc_size;
2205 	int offset = 0;
2206 	int ret;
2207 	int i;
2208 
2209 	/* allocate struct for widget control data sizes and types */
2210 	if (widget->num_kcontrols) {
2211 		wdata = kcalloc(widget->num_kcontrols,
2212 				sizeof(*wdata),
2213 				GFP_KERNEL);
2214 
2215 		if (!wdata)
2216 			return -ENOMEM;
2217 
2218 		/* get possible component controls and get size of all pdata */
2219 		ret = sof_get_control_data(scomp, widget, wdata,
2220 					   &ipc_data_size);
2221 
2222 		if (ret < 0)
2223 			goto out;
2224 	}
2225 
2226 	ipc_size = sizeof(struct sof_ipc_comp_process) + ipc_data_size;
2227 
2228 	/* we are exceeding max ipc size, config needs to be sent separately */
2229 	if (ipc_size > SOF_IPC_MSG_MAX_SIZE) {
2230 		ipc_size -= ipc_data_size;
2231 		ipc_data_size = 0;
2232 	}
2233 
2234 	process = (struct sof_ipc_comp_process *)
2235 		  sof_comp_alloc(swidget, &ipc_size, index);
2236 	if (!process) {
2237 		ret = -ENOMEM;
2238 		goto out;
2239 	}
2240 
2241 	/* configure iir IPC message */
2242 	process->comp.type = type;
2243 	process->config.hdr.size = sizeof(process->config);
2244 
2245 	ret = sof_parse_tokens(scomp, &process->config, comp_tokens,
2246 			       ARRAY_SIZE(comp_tokens), private->array,
2247 			       le32_to_cpu(private->size));
2248 	if (ret != 0) {
2249 		dev_err(scomp->dev, "error: parse process.cfg tokens failed %d\n",
2250 			le32_to_cpu(private->size));
2251 		goto err;
2252 	}
2253 
2254 	sof_dbg_comp_config(scomp, &process->config);
2255 
2256 	/*
2257 	 * found private data in control, so copy it.
2258 	 * get possible component controls - get size of all pdata,
2259 	 * then memcpy with headers
2260 	 */
2261 	if (ipc_data_size) {
2262 		for (i = 0; i < widget->num_kcontrols; i++) {
2263 			memcpy(&process->data + offset,
2264 			       wdata[i].pdata->data,
2265 			       wdata[i].pdata->size);
2266 			offset += wdata[i].pdata->size;
2267 		}
2268 	}
2269 
2270 	process->size = ipc_data_size;
2271 	swidget->private = process;
2272 
2273 	ret = sof_ipc_tx_message(sdev->ipc, process->comp.hdr.cmd, process,
2274 				 ipc_size, r, sizeof(*r));
2275 
2276 	if (ret < 0) {
2277 		dev_err(scomp->dev, "error: create process failed\n");
2278 		goto err;
2279 	}
2280 
2281 	/* we sent the data in single message so return */
2282 	if (ipc_data_size)
2283 		goto out;
2284 
2285 	/* send control data with large message supported method */
2286 	for (i = 0; i < widget->num_kcontrols; i++) {
2287 		wdata[i].control->readback_offset = 0;
2288 		ret = snd_sof_ipc_set_get_comp_data(wdata[i].control,
2289 						    wdata[i].ipc_cmd,
2290 						    wdata[i].ctrl_type,
2291 						    wdata[i].control->cmd,
2292 						    true);
2293 		if (ret != 0) {
2294 			dev_err(scomp->dev, "error: send control failed\n");
2295 			break;
2296 		}
2297 	}
2298 
2299 err:
2300 	if (ret < 0)
2301 		kfree(process);
2302 out:
2303 	kfree(wdata);
2304 	return ret;
2305 }
2306 
2307 /*
2308  * Processing Component Topology - can be "effect", "codec", or general
2309  * "processing".
2310  */
2311 
2312 static int sof_widget_load_process(struct snd_soc_component *scomp, int index,
2313 				   struct snd_sof_widget *swidget,
2314 				   struct snd_soc_tplg_dapm_widget *tw,
2315 				   struct sof_ipc_comp_reply *r)
2316 {
2317 	struct snd_soc_tplg_private *private = &tw->priv;
2318 	struct sof_ipc_comp_process config;
2319 	int ret;
2320 
2321 	/* check we have some tokens - we need at least process type */
2322 	if (le32_to_cpu(private->size) == 0) {
2323 		dev_err(scomp->dev, "error: process tokens not found\n");
2324 		return -EINVAL;
2325 	}
2326 
2327 	memset(&config, 0, sizeof(config));
2328 	config.comp.core = swidget->core;
2329 
2330 	/* get the process token */
2331 	ret = sof_parse_tokens(scomp, &config, process_tokens,
2332 			       ARRAY_SIZE(process_tokens), private->array,
2333 			       le32_to_cpu(private->size));
2334 	if (ret != 0) {
2335 		dev_err(scomp->dev, "error: parse process tokens failed %d\n",
2336 			le32_to_cpu(private->size));
2337 		return ret;
2338 	}
2339 
2340 	/* now load process specific data and send IPC */
2341 	ret = sof_process_load(scomp, index, swidget, tw, r,
2342 			       find_process_comp_type(config.type));
2343 	if (ret < 0) {
2344 		dev_err(scomp->dev, "error: process loading failed\n");
2345 		return ret;
2346 	}
2347 
2348 	return 0;
2349 }
2350 
2351 static int sof_widget_bind_event(struct snd_soc_component *scomp,
2352 				 struct snd_sof_widget *swidget,
2353 				 u16 event_type)
2354 {
2355 	struct sof_ipc_comp *ipc_comp;
2356 
2357 	/* validate widget event type */
2358 	switch (event_type) {
2359 	case SOF_KEYWORD_DETECT_DAPM_EVENT:
2360 		/* only KEYWORD_DETECT comps should handle this */
2361 		if (swidget->id != snd_soc_dapm_effect)
2362 			break;
2363 
2364 		ipc_comp = swidget->private;
2365 		if (ipc_comp && ipc_comp->type != SOF_COMP_KEYWORD_DETECT)
2366 			break;
2367 
2368 		/* bind event to keyword detect comp */
2369 		return snd_soc_tplg_widget_bind_event(swidget->widget,
2370 						      sof_kwd_events,
2371 						      ARRAY_SIZE(sof_kwd_events),
2372 						      event_type);
2373 	default:
2374 		break;
2375 	}
2376 
2377 	dev_err(scomp->dev,
2378 		"error: invalid event type %d for widget %s\n",
2379 		event_type, swidget->widget->name);
2380 	return -EINVAL;
2381 }
2382 
2383 /* external widget init - used for any driver specific init */
2384 static int sof_widget_ready(struct snd_soc_component *scomp, int index,
2385 			    struct snd_soc_dapm_widget *w,
2386 			    struct snd_soc_tplg_dapm_widget *tw)
2387 {
2388 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2389 	struct snd_sof_widget *swidget;
2390 	struct snd_sof_dai *dai;
2391 	struct sof_ipc_comp_reply reply;
2392 	struct snd_sof_control *scontrol;
2393 	struct sof_ipc_comp comp = {
2394 		.core = SOF_DSP_PRIMARY_CORE,
2395 	};
2396 	int ret = 0;
2397 
2398 	swidget = kzalloc(sizeof(*swidget), GFP_KERNEL);
2399 	if (!swidget)
2400 		return -ENOMEM;
2401 
2402 	swidget->scomp = scomp;
2403 	swidget->widget = w;
2404 	swidget->comp_id = sdev->next_comp_id++;
2405 	swidget->complete = 0;
2406 	swidget->id = w->id;
2407 	swidget->pipeline_id = index;
2408 	swidget->private = NULL;
2409 	memset(&reply, 0, sizeof(reply));
2410 
2411 	dev_dbg(scomp->dev, "tplg: ready widget id %d pipe %d type %d name : %s stream %s\n",
2412 		swidget->comp_id, index, swidget->id, tw->name,
2413 		strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2414 			? tw->sname : "none");
2415 
2416 	ret = sof_parse_tokens(scomp, &comp, core_tokens,
2417 			       ARRAY_SIZE(core_tokens), tw->priv.array,
2418 			       le32_to_cpu(tw->priv.size));
2419 	if (ret != 0) {
2420 		dev_err(scomp->dev, "error: parsing core tokens failed %d\n",
2421 			ret);
2422 		kfree(swidget);
2423 		return ret;
2424 	}
2425 
2426 	swidget->core = comp.core;
2427 
2428 	/* default is primary core, safe to call for already enabled cores */
2429 	ret = sof_core_enable(sdev, comp.core);
2430 	if (ret < 0) {
2431 		dev_err(scomp->dev, "error: enable core: %d\n", ret);
2432 		kfree(swidget);
2433 		return ret;
2434 	}
2435 
2436 	ret = sof_parse_tokens(scomp, &swidget->comp_ext, comp_ext_tokens,
2437 			       ARRAY_SIZE(comp_ext_tokens), tw->priv.array,
2438 			       le32_to_cpu(tw->priv.size));
2439 	if (ret != 0) {
2440 		dev_err(scomp->dev, "error: parsing comp_ext_tokens failed %d\n",
2441 			ret);
2442 		kfree(swidget);
2443 		return ret;
2444 	}
2445 
2446 	/* handle any special case widgets */
2447 	switch (w->id) {
2448 	case snd_soc_dapm_dai_in:
2449 	case snd_soc_dapm_dai_out:
2450 		dai = kzalloc(sizeof(*dai), GFP_KERNEL);
2451 		if (!dai) {
2452 			kfree(swidget);
2453 			return -ENOMEM;
2454 		}
2455 
2456 		ret = sof_widget_load_dai(scomp, index, swidget, tw, &reply, dai);
2457 		if (ret == 0) {
2458 			sof_connect_dai_widget(scomp, w, tw, dai);
2459 			list_add(&dai->list, &sdev->dai_list);
2460 			swidget->private = dai;
2461 		} else {
2462 			kfree(dai);
2463 		}
2464 		break;
2465 	case snd_soc_dapm_mixer:
2466 		ret = sof_widget_load_mixer(scomp, index, swidget, tw, &reply);
2467 		break;
2468 	case snd_soc_dapm_pga:
2469 		ret = sof_widget_load_pga(scomp, index, swidget, tw, &reply);
2470 		/* Find scontrol for this pga and set readback offset*/
2471 		list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
2472 			if (scontrol->comp_id == swidget->comp_id) {
2473 				scontrol->readback_offset = reply.offset;
2474 				break;
2475 			}
2476 		}
2477 		break;
2478 	case snd_soc_dapm_buffer:
2479 		ret = sof_widget_load_buffer(scomp, index, swidget, tw, &reply);
2480 		break;
2481 	case snd_soc_dapm_scheduler:
2482 		ret = sof_widget_load_pipeline(scomp, index, swidget, tw, &reply);
2483 		break;
2484 	case snd_soc_dapm_aif_out:
2485 		ret = sof_widget_load_pcm(scomp, index, swidget,
2486 					  SOF_IPC_STREAM_CAPTURE, tw, &reply);
2487 		break;
2488 	case snd_soc_dapm_aif_in:
2489 		ret = sof_widget_load_pcm(scomp, index, swidget,
2490 					  SOF_IPC_STREAM_PLAYBACK, tw, &reply);
2491 		break;
2492 	case snd_soc_dapm_src:
2493 		ret = sof_widget_load_src(scomp, index, swidget, tw, &reply);
2494 		break;
2495 	case snd_soc_dapm_asrc:
2496 		ret = sof_widget_load_asrc(scomp, index, swidget, tw, &reply);
2497 		break;
2498 	case snd_soc_dapm_siggen:
2499 		ret = sof_widget_load_siggen(scomp, index, swidget, tw, &reply);
2500 		break;
2501 	case snd_soc_dapm_effect:
2502 		ret = sof_widget_load_process(scomp, index, swidget, tw, &reply);
2503 		break;
2504 	case snd_soc_dapm_mux:
2505 	case snd_soc_dapm_demux:
2506 		ret = sof_widget_load_mux(scomp, index, swidget, tw, &reply);
2507 		break;
2508 	case snd_soc_dapm_switch:
2509 	case snd_soc_dapm_dai_link:
2510 	case snd_soc_dapm_kcontrol:
2511 	default:
2512 		dev_dbg(scomp->dev, "widget type %d name %s not handled\n", swidget->id, tw->name);
2513 		break;
2514 	}
2515 
2516 	/* check IPC reply */
2517 	if (ret < 0 || reply.rhdr.error < 0) {
2518 		dev_err(scomp->dev,
2519 			"error: DSP failed to add widget id %d type %d name : %s stream %s reply %d\n",
2520 			tw->shift, swidget->id, tw->name,
2521 			strnlen(tw->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) > 0
2522 				? tw->sname : "none", reply.rhdr.error);
2523 		kfree(swidget);
2524 		return ret;
2525 	}
2526 
2527 	/* bind widget to external event */
2528 	if (tw->event_type) {
2529 		ret = sof_widget_bind_event(scomp, swidget,
2530 					    le16_to_cpu(tw->event_type));
2531 		if (ret) {
2532 			dev_err(scomp->dev, "error: widget event binding failed\n");
2533 			kfree(swidget->private);
2534 			kfree(swidget);
2535 			return ret;
2536 		}
2537 	}
2538 
2539 	w->dobj.private = swidget;
2540 	list_add(&swidget->list, &sdev->widget_list);
2541 	return ret;
2542 }
2543 
2544 static int sof_route_unload(struct snd_soc_component *scomp,
2545 			    struct snd_soc_dobj *dobj)
2546 {
2547 	struct snd_sof_route *sroute;
2548 
2549 	sroute = dobj->private;
2550 	if (!sroute)
2551 		return 0;
2552 
2553 	/* free sroute and its private data */
2554 	kfree(sroute->private);
2555 	list_del(&sroute->list);
2556 	kfree(sroute);
2557 
2558 	return 0;
2559 }
2560 
2561 static int sof_widget_unload(struct snd_soc_component *scomp,
2562 			     struct snd_soc_dobj *dobj)
2563 {
2564 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2565 	const struct snd_kcontrol_new *kc;
2566 	struct snd_soc_dapm_widget *widget;
2567 	struct sof_ipc_pipe_new *pipeline;
2568 	struct snd_sof_control *scontrol;
2569 	struct snd_sof_widget *swidget;
2570 	struct soc_mixer_control *sm;
2571 	struct soc_bytes_ext *sbe;
2572 	struct snd_sof_dai *dai;
2573 	struct soc_enum *se;
2574 	int ret = 0;
2575 	int i;
2576 
2577 	swidget = dobj->private;
2578 	if (!swidget)
2579 		return 0;
2580 
2581 	widget = swidget->widget;
2582 
2583 	switch (swidget->id) {
2584 	case snd_soc_dapm_dai_in:
2585 	case snd_soc_dapm_dai_out:
2586 		dai = swidget->private;
2587 
2588 		if (dai) {
2589 			/* free dai config */
2590 			kfree(dai->dai_config);
2591 			list_del(&dai->list);
2592 		}
2593 		break;
2594 	case snd_soc_dapm_scheduler:
2595 
2596 		/* power down the pipeline schedule core */
2597 		pipeline = swidget->private;
2598 		ret = snd_sof_dsp_core_power_down(sdev, 1 << pipeline->core);
2599 		if (ret < 0)
2600 			dev_err(scomp->dev, "error: powering down pipeline schedule core %d\n",
2601 				pipeline->core);
2602 		break;
2603 	default:
2604 		break;
2605 	}
2606 	for (i = 0; i < widget->num_kcontrols; i++) {
2607 		kc = &widget->kcontrol_news[i];
2608 		switch (dobj->widget.kcontrol_type) {
2609 		case SND_SOC_TPLG_TYPE_MIXER:
2610 			sm = (struct soc_mixer_control *)kc->private_value;
2611 			scontrol = sm->dobj.private;
2612 			if (sm->max > 1)
2613 				kfree(scontrol->volume_table);
2614 			break;
2615 		case SND_SOC_TPLG_TYPE_ENUM:
2616 			se = (struct soc_enum *)kc->private_value;
2617 			scontrol = se->dobj.private;
2618 			break;
2619 		case SND_SOC_TPLG_TYPE_BYTES:
2620 			sbe = (struct soc_bytes_ext *)kc->private_value;
2621 			scontrol = sbe->dobj.private;
2622 			break;
2623 		default:
2624 			dev_warn(scomp->dev, "unsupported kcontrol_type\n");
2625 			goto out;
2626 		}
2627 		kfree(scontrol->control_data);
2628 		list_del(&scontrol->list);
2629 		kfree(scontrol);
2630 	}
2631 
2632 out:
2633 	/* free private value */
2634 	kfree(swidget->private);
2635 
2636 	/* remove and free swidget object */
2637 	list_del(&swidget->list);
2638 	kfree(swidget);
2639 
2640 	return ret;
2641 }
2642 
2643 /*
2644  * DAI HW configuration.
2645  */
2646 
2647 /* FE DAI - used for any driver specific init */
2648 static int sof_dai_load(struct snd_soc_component *scomp, int index,
2649 			struct snd_soc_dai_driver *dai_drv,
2650 			struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
2651 {
2652 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2653 	struct snd_soc_tplg_stream_caps *caps;
2654 	struct snd_soc_tplg_private *private = &pcm->priv;
2655 	struct snd_sof_pcm *spcm;
2656 	int stream;
2657 	int ret;
2658 
2659 	/* nothing to do for BEs atm */
2660 	if (!pcm)
2661 		return 0;
2662 
2663 	spcm = kzalloc(sizeof(*spcm), GFP_KERNEL);
2664 	if (!spcm)
2665 		return -ENOMEM;
2666 
2667 	spcm->scomp = scomp;
2668 
2669 	for_each_pcm_streams(stream) {
2670 		spcm->stream[stream].comp_id = COMP_ID_UNASSIGNED;
2671 		INIT_WORK(&spcm->stream[stream].period_elapsed_work,
2672 			  snd_sof_pcm_period_elapsed_work);
2673 	}
2674 
2675 	spcm->pcm = *pcm;
2676 	dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
2677 
2678 	dai_drv->dobj.private = spcm;
2679 	list_add(&spcm->list, &sdev->pcm_list);
2680 
2681 	ret = sof_parse_tokens(scomp, spcm, stream_tokens,
2682 			       ARRAY_SIZE(stream_tokens), private->array,
2683 			       le32_to_cpu(private->size));
2684 	if (ret) {
2685 		dev_err(scomp->dev, "error: parse stream tokens failed %d\n",
2686 			le32_to_cpu(private->size));
2687 		return ret;
2688 	}
2689 
2690 	/* do we need to allocate playback PCM DMA pages */
2691 	if (!spcm->pcm.playback)
2692 		goto capture;
2693 
2694 	stream = SNDRV_PCM_STREAM_PLAYBACK;
2695 
2696 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: playback d0i3:%d\n",
2697 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2698 
2699 	caps = &spcm->pcm.caps[stream];
2700 
2701 	/* allocate playback page table buffer */
2702 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2703 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2704 	if (ret < 0) {
2705 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2706 			caps->name, ret);
2707 
2708 		return ret;
2709 	}
2710 
2711 	/* bind pcm to host comp */
2712 	ret = spcm_bind(scomp, spcm, stream);
2713 	if (ret) {
2714 		dev_err(scomp->dev,
2715 			"error: can't bind pcm to host\n");
2716 		goto free_playback_tables;
2717 	}
2718 
2719 capture:
2720 	stream = SNDRV_PCM_STREAM_CAPTURE;
2721 
2722 	/* do we need to allocate capture PCM DMA pages */
2723 	if (!spcm->pcm.capture)
2724 		return ret;
2725 
2726 	dev_vdbg(scomp->dev, "tplg: pcm %s stream tokens: capture d0i3:%d\n",
2727 		 spcm->pcm.pcm_name, spcm->stream[stream].d0i3_compatible);
2728 
2729 	caps = &spcm->pcm.caps[stream];
2730 
2731 	/* allocate capture page table buffer */
2732 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, sdev->dev,
2733 				  PAGE_SIZE, &spcm->stream[stream].page_table);
2734 	if (ret < 0) {
2735 		dev_err(scomp->dev, "error: can't alloc page table for %s %d\n",
2736 			caps->name, ret);
2737 		goto free_playback_tables;
2738 	}
2739 
2740 	/* bind pcm to host comp */
2741 	ret = spcm_bind(scomp, spcm, stream);
2742 	if (ret) {
2743 		dev_err(scomp->dev,
2744 			"error: can't bind pcm to host\n");
2745 		snd_dma_free_pages(&spcm->stream[stream].page_table);
2746 		goto free_playback_tables;
2747 	}
2748 
2749 	return ret;
2750 
2751 free_playback_tables:
2752 	if (spcm->pcm.playback)
2753 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2754 
2755 	return ret;
2756 }
2757 
2758 static int sof_dai_unload(struct snd_soc_component *scomp,
2759 			  struct snd_soc_dobj *dobj)
2760 {
2761 	struct snd_sof_pcm *spcm = dobj->private;
2762 
2763 	/* free PCM DMA pages */
2764 	if (spcm->pcm.playback)
2765 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].page_table);
2766 
2767 	if (spcm->pcm.capture)
2768 		snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
2769 
2770 	/* remove from list and free spcm */
2771 	list_del(&spcm->list);
2772 	kfree(spcm);
2773 
2774 	return 0;
2775 }
2776 
2777 static void sof_dai_set_format(struct snd_soc_tplg_hw_config *hw_config,
2778 			       struct sof_ipc_dai_config *config)
2779 {
2780 	/* clock directions wrt codec */
2781 	if (hw_config->bclk_provider == SND_SOC_TPLG_BCLK_CP) {
2782 		/* codec is bclk provider */
2783 		if (hw_config->fsync_provider == SND_SOC_TPLG_FSYNC_CP)
2784 			config->format |= SOF_DAI_FMT_CBP_CFP;
2785 		else
2786 			config->format |= SOF_DAI_FMT_CBP_CFC;
2787 	} else {
2788 		/* codec is bclk consumer */
2789 		if (hw_config->fsync_provider == SND_SOC_TPLG_FSYNC_CP)
2790 			config->format |= SOF_DAI_FMT_CBC_CFP;
2791 		else
2792 			config->format |= SOF_DAI_FMT_CBC_CFC;
2793 	}
2794 
2795 	/* inverted clocks ? */
2796 	if (hw_config->invert_bclk) {
2797 		if (hw_config->invert_fsync)
2798 			config->format |= SOF_DAI_FMT_IB_IF;
2799 		else
2800 			config->format |= SOF_DAI_FMT_IB_NF;
2801 	} else {
2802 		if (hw_config->invert_fsync)
2803 			config->format |= SOF_DAI_FMT_NB_IF;
2804 		else
2805 			config->format |= SOF_DAI_FMT_NB_NF;
2806 	}
2807 }
2808 
2809 /*
2810  * Send IPC and set the same config for all DAIs with name matching the link
2811  * name. Note that the function can only be used for the case that all DAIs
2812  * have a common DAI config for now.
2813  */
2814 static int sof_set_dai_config(struct snd_sof_dev *sdev, u32 size,
2815 			      struct snd_soc_dai_link *link,
2816 			      struct sof_ipc_dai_config *config)
2817 {
2818 	struct snd_sof_dai *dai;
2819 	int found = 0;
2820 
2821 	list_for_each_entry(dai, &sdev->dai_list, list) {
2822 		if (!dai->name)
2823 			continue;
2824 
2825 		if (strcmp(link->name, dai->name) == 0) {
2826 			struct sof_ipc_reply reply;
2827 			int ret;
2828 
2829 			/*
2830 			 * the same dai config will be applied to all DAIs in
2831 			 * the same dai link. We have to ensure that the ipc
2832 			 * dai config's dai_index match to the component's
2833 			 * dai_index.
2834 			 */
2835 			config->dai_index = dai->comp_dai.dai_index;
2836 
2837 			/* send message to DSP */
2838 			ret = sof_ipc_tx_message(sdev->ipc,
2839 						 config->hdr.cmd, config, size,
2840 						 &reply, sizeof(reply));
2841 
2842 			if (ret < 0) {
2843 				dev_err(sdev->dev, "error: failed to set DAI config for %s index %d\n",
2844 					dai->name, config->dai_index);
2845 				return ret;
2846 			}
2847 			dai->dai_config = kmemdup(config, size, GFP_KERNEL);
2848 			if (!dai->dai_config)
2849 				return -ENOMEM;
2850 
2851 			/* set cpu_dai_name */
2852 			dai->cpu_dai_name = link->cpus->dai_name;
2853 
2854 			found = 1;
2855 		}
2856 	}
2857 
2858 	/*
2859 	 * machine driver may define a dai link with playback and capture
2860 	 * dai enabled, but the dai link in topology would support both, one
2861 	 * or none of them. Here print a warning message to notify user
2862 	 */
2863 	if (!found) {
2864 		dev_warn(sdev->dev, "warning: failed to find dai for dai link %s",
2865 			 link->name);
2866 	}
2867 
2868 	return 0;
2869 }
2870 
2871 static int sof_link_ssp_load(struct snd_soc_component *scomp, int index,
2872 			     struct snd_soc_dai_link *link,
2873 			     struct snd_soc_tplg_link_config *cfg,
2874 			     struct snd_soc_tplg_hw_config *hw_config,
2875 			     struct sof_ipc_dai_config *config)
2876 {
2877 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2878 	struct snd_soc_tplg_private *private = &cfg->priv;
2879 	u32 size = sizeof(*config);
2880 	int ret;
2881 
2882 	/* handle master/slave and inverted clocks */
2883 	sof_dai_set_format(hw_config, config);
2884 
2885 	/* init IPC */
2886 	memset(&config->ssp, 0, sizeof(struct sof_ipc_dai_ssp_params));
2887 	config->hdr.size = size;
2888 
2889 	ret = sof_parse_tokens(scomp, &config->ssp, ssp_tokens,
2890 			       ARRAY_SIZE(ssp_tokens), private->array,
2891 			       le32_to_cpu(private->size));
2892 	if (ret != 0) {
2893 		dev_err(scomp->dev, "error: parse ssp tokens failed %d\n",
2894 			le32_to_cpu(private->size));
2895 		return ret;
2896 	}
2897 
2898 	config->ssp.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2899 	config->ssp.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2900 	config->ssp.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2901 	config->ssp.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2902 	config->ssp.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2903 	config->ssp.mclk_direction = hw_config->mclk_direction;
2904 	config->ssp.rx_slots = le32_to_cpu(hw_config->rx_slots);
2905 	config->ssp.tx_slots = le32_to_cpu(hw_config->tx_slots);
2906 
2907 	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",
2908 		config->dai_index, config->format,
2909 		config->ssp.mclk_rate, config->ssp.bclk_rate,
2910 		config->ssp.fsync_rate, config->ssp.sample_valid_bits,
2911 		config->ssp.tdm_slot_width, config->ssp.tdm_slots,
2912 		config->ssp.mclk_id, config->ssp.quirks);
2913 
2914 	/* validate SSP fsync rate and channel count */
2915 	if (config->ssp.fsync_rate < 8000 || config->ssp.fsync_rate > 192000) {
2916 		dev_err(scomp->dev, "error: invalid fsync rate for SSP%d\n",
2917 			config->dai_index);
2918 		return -EINVAL;
2919 	}
2920 
2921 	if (config->ssp.tdm_slots < 1 || config->ssp.tdm_slots > 8) {
2922 		dev_err(scomp->dev, "error: invalid channel count for SSP%d\n",
2923 			config->dai_index);
2924 		return -EINVAL;
2925 	}
2926 
2927 	/* set config for all DAI's with name matching the link name */
2928 	ret = sof_set_dai_config(sdev, size, link, config);
2929 	if (ret < 0)
2930 		dev_err(scomp->dev, "error: failed to save DAI config for SSP%d\n",
2931 			config->dai_index);
2932 
2933 	return ret;
2934 }
2935 
2936 static int sof_link_sai_load(struct snd_soc_component *scomp, int index,
2937 			     struct snd_soc_dai_link *link,
2938 			     struct snd_soc_tplg_link_config *cfg,
2939 			     struct snd_soc_tplg_hw_config *hw_config,
2940 			     struct sof_ipc_dai_config *config)
2941 {
2942 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
2943 	struct snd_soc_tplg_private *private = &cfg->priv;
2944 	u32 size = sizeof(*config);
2945 	int ret;
2946 
2947 	/* handle master/slave and inverted clocks */
2948 	sof_dai_set_format(hw_config, config);
2949 
2950 	/* init IPC */
2951 	memset(&config->sai, 0, sizeof(struct sof_ipc_dai_sai_params));
2952 	config->hdr.size = size;
2953 
2954 	ret = sof_parse_tokens(scomp, &config->sai, sai_tokens,
2955 			       ARRAY_SIZE(sai_tokens), private->array,
2956 			       le32_to_cpu(private->size));
2957 	if (ret != 0) {
2958 		dev_err(scomp->dev, "error: parse sai tokens failed %d\n",
2959 			le32_to_cpu(private->size));
2960 		return ret;
2961 	}
2962 
2963 	config->sai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
2964 	config->sai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
2965 	config->sai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
2966 	config->sai.mclk_direction = hw_config->mclk_direction;
2967 
2968 	config->sai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
2969 	config->sai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
2970 	config->sai.rx_slots = le32_to_cpu(hw_config->rx_slots);
2971 	config->sai.tx_slots = le32_to_cpu(hw_config->tx_slots);
2972 
2973 	dev_info(scomp->dev,
2974 		 "tplg: config SAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
2975 		config->dai_index, config->format,
2976 		config->sai.mclk_rate, config->sai.tdm_slot_width,
2977 		config->sai.tdm_slots, config->sai.mclk_id);
2978 
2979 	if (config->sai.tdm_slots < 1 || config->sai.tdm_slots > 8) {
2980 		dev_err(scomp->dev, "error: invalid channel count for SAI%d\n",
2981 			config->dai_index);
2982 		return -EINVAL;
2983 	}
2984 
2985 	/* set config for all DAI's with name matching the link name */
2986 	ret = sof_set_dai_config(sdev, size, link, config);
2987 	if (ret < 0)
2988 		dev_err(scomp->dev, "error: failed to save DAI config for SAI%d\n",
2989 			config->dai_index);
2990 
2991 	return ret;
2992 }
2993 
2994 static int sof_link_esai_load(struct snd_soc_component *scomp, int index,
2995 			      struct snd_soc_dai_link *link,
2996 			      struct snd_soc_tplg_link_config *cfg,
2997 			      struct snd_soc_tplg_hw_config *hw_config,
2998 			      struct sof_ipc_dai_config *config)
2999 {
3000 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3001 	struct snd_soc_tplg_private *private = &cfg->priv;
3002 	u32 size = sizeof(*config);
3003 	int ret;
3004 
3005 	/* handle master/slave and inverted clocks */
3006 	sof_dai_set_format(hw_config, config);
3007 
3008 	/* init IPC */
3009 	memset(&config->esai, 0, sizeof(struct sof_ipc_dai_esai_params));
3010 	config->hdr.size = size;
3011 
3012 	ret = sof_parse_tokens(scomp, &config->esai, esai_tokens,
3013 			       ARRAY_SIZE(esai_tokens), private->array,
3014 			       le32_to_cpu(private->size));
3015 	if (ret != 0) {
3016 		dev_err(scomp->dev, "error: parse esai tokens failed %d\n",
3017 			le32_to_cpu(private->size));
3018 		return ret;
3019 	}
3020 
3021 	config->esai.mclk_rate = le32_to_cpu(hw_config->mclk_rate);
3022 	config->esai.bclk_rate = le32_to_cpu(hw_config->bclk_rate);
3023 	config->esai.fsync_rate = le32_to_cpu(hw_config->fsync_rate);
3024 	config->esai.mclk_direction = hw_config->mclk_direction;
3025 	config->esai.tdm_slots = le32_to_cpu(hw_config->tdm_slots);
3026 	config->esai.tdm_slot_width = le32_to_cpu(hw_config->tdm_slot_width);
3027 	config->esai.rx_slots = le32_to_cpu(hw_config->rx_slots);
3028 	config->esai.tx_slots = le32_to_cpu(hw_config->tx_slots);
3029 
3030 	dev_info(scomp->dev,
3031 		 "tplg: config ESAI%d fmt 0x%x mclk %d width %d slots %d mclk id %d\n",
3032 		config->dai_index, config->format,
3033 		config->esai.mclk_rate, config->esai.tdm_slot_width,
3034 		config->esai.tdm_slots, config->esai.mclk_id);
3035 
3036 	if (config->esai.tdm_slots < 1 || config->esai.tdm_slots > 8) {
3037 		dev_err(scomp->dev, "error: invalid channel count for ESAI%d\n",
3038 			config->dai_index);
3039 		return -EINVAL;
3040 	}
3041 
3042 	/* set config for all DAI's with name matching the link name */
3043 	ret = sof_set_dai_config(sdev, size, link, config);
3044 	if (ret < 0)
3045 		dev_err(scomp->dev, "error: failed to save DAI config for ESAI%d\n",
3046 			config->dai_index);
3047 
3048 	return ret;
3049 }
3050 
3051 static int sof_link_dmic_load(struct snd_soc_component *scomp, int index,
3052 			      struct snd_soc_dai_link *link,
3053 			      struct snd_soc_tplg_link_config *cfg,
3054 			      struct snd_soc_tplg_hw_config *hw_config,
3055 			      struct sof_ipc_dai_config *config)
3056 {
3057 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3058 	struct snd_soc_tplg_private *private = &cfg->priv;
3059 	struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
3060 	struct sof_ipc_fw_version *v = &ready->version;
3061 	size_t size = sizeof(*config);
3062 	int ret, j;
3063 
3064 	/* Ensure the entire DMIC config struct is zeros */
3065 	memset(&config->dmic, 0, sizeof(struct sof_ipc_dai_dmic_params));
3066 
3067 	/* get DMIC tokens */
3068 	ret = sof_parse_tokens(scomp, &config->dmic, dmic_tokens,
3069 			       ARRAY_SIZE(dmic_tokens), private->array,
3070 			       le32_to_cpu(private->size));
3071 	if (ret != 0) {
3072 		dev_err(scomp->dev, "error: parse dmic tokens failed %d\n",
3073 			le32_to_cpu(private->size));
3074 		return ret;
3075 	}
3076 
3077 	/* get DMIC PDM tokens */
3078 	ret = sof_parse_token_sets(scomp, &config->dmic.pdm[0], dmic_pdm_tokens,
3079 			       ARRAY_SIZE(dmic_pdm_tokens), private->array,
3080 			       le32_to_cpu(private->size),
3081 			       config->dmic.num_pdm_active,
3082 			       sizeof(struct sof_ipc_dai_dmic_pdm_ctrl));
3083 
3084 	if (ret != 0) {
3085 		dev_err(scomp->dev, "error: parse dmic pdm tokens failed %d\n",
3086 			le32_to_cpu(private->size));
3087 		return ret;
3088 	}
3089 
3090 	/* set IPC header size */
3091 	config->hdr.size = size;
3092 
3093 	/* debug messages */
3094 	dev_dbg(scomp->dev, "tplg: config DMIC%d driver version %d\n",
3095 		config->dai_index, config->dmic.driver_ipc_version);
3096 	dev_dbg(scomp->dev, "pdmclk_min %d pdm_clkmax %d duty_min %hd\n",
3097 		config->dmic.pdmclk_min, config->dmic.pdmclk_max,
3098 		config->dmic.duty_min);
3099 	dev_dbg(scomp->dev, "duty_max %hd fifo_fs %d num_pdms active %d\n",
3100 		config->dmic.duty_max, config->dmic.fifo_fs,
3101 		config->dmic.num_pdm_active);
3102 	dev_dbg(scomp->dev, "fifo word length %hd\n", config->dmic.fifo_bits);
3103 
3104 	for (j = 0; j < config->dmic.num_pdm_active; j++) {
3105 		dev_dbg(scomp->dev, "pdm %hd mic a %hd mic b %hd\n",
3106 			config->dmic.pdm[j].id,
3107 			config->dmic.pdm[j].enable_mic_a,
3108 			config->dmic.pdm[j].enable_mic_b);
3109 		dev_dbg(scomp->dev, "pdm %hd polarity a %hd polarity b %hd\n",
3110 			config->dmic.pdm[j].id,
3111 			config->dmic.pdm[j].polarity_mic_a,
3112 			config->dmic.pdm[j].polarity_mic_b);
3113 		dev_dbg(scomp->dev, "pdm %hd clk_edge %hd skew %hd\n",
3114 			config->dmic.pdm[j].id,
3115 			config->dmic.pdm[j].clk_edge,
3116 			config->dmic.pdm[j].skew);
3117 	}
3118 
3119 	/*
3120 	 * this takes care of backwards compatible handling of fifo_bits_b.
3121 	 * It is deprecated since firmware ABI version 3.0.1.
3122 	 */
3123 	if (SOF_ABI_VER(v->major, v->minor, v->micro) < SOF_ABI_VER(3, 0, 1))
3124 		config->dmic.fifo_bits_b = config->dmic.fifo_bits;
3125 
3126 	/* set config for all DAI's with name matching the link name */
3127 	ret = sof_set_dai_config(sdev, size, link, config);
3128 	if (ret < 0)
3129 		dev_err(scomp->dev, "error: failed to save DAI config for DMIC%d\n",
3130 			config->dai_index);
3131 
3132 	return ret;
3133 }
3134 
3135 static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
3136 			     struct snd_soc_dai_link *link,
3137 			     struct snd_soc_tplg_link_config *cfg,
3138 			     struct snd_soc_tplg_hw_config *hw_config,
3139 			     struct sof_ipc_dai_config *config)
3140 {
3141 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3142 	struct snd_soc_tplg_private *private = &cfg->priv;
3143 	struct snd_soc_dai *dai;
3144 	u32 size = sizeof(*config);
3145 	int ret;
3146 
3147 	/* init IPC */
3148 	memset(&config->hda, 0, sizeof(struct sof_ipc_dai_hda_params));
3149 	config->hdr.size = size;
3150 
3151 	/* get any bespoke DAI tokens */
3152 	ret = sof_parse_tokens(scomp, &config->hda, hda_tokens,
3153 			       ARRAY_SIZE(hda_tokens), private->array,
3154 			       le32_to_cpu(private->size));
3155 	if (ret != 0) {
3156 		dev_err(scomp->dev, "error: parse hda tokens failed %d\n",
3157 			le32_to_cpu(private->size));
3158 		return ret;
3159 	}
3160 
3161 	dev_dbg(scomp->dev, "HDA config rate %d channels %d\n",
3162 		config->hda.rate, config->hda.channels);
3163 
3164 	dai = snd_soc_find_dai(link->cpus);
3165 	if (!dai) {
3166 		dev_err(scomp->dev, "error: failed to find dai %s in %s",
3167 			link->cpus->dai_name, __func__);
3168 		return -EINVAL;
3169 	}
3170 
3171 	config->hda.link_dma_ch = DMA_CHAN_INVALID;
3172 
3173 	ret = sof_set_dai_config(sdev, size, link, config);
3174 	if (ret < 0)
3175 		dev_err(scomp->dev, "error: failed to process hda dai link %s",
3176 			link->name);
3177 
3178 	return ret;
3179 }
3180 
3181 static int sof_link_alh_load(struct snd_soc_component *scomp, int index,
3182 			     struct snd_soc_dai_link *link,
3183 			     struct snd_soc_tplg_link_config *cfg,
3184 			     struct snd_soc_tplg_hw_config *hw_config,
3185 			     struct sof_ipc_dai_config *config)
3186 {
3187 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3188 	struct snd_soc_tplg_private *private = &cfg->priv;
3189 	u32 size = sizeof(*config);
3190 	int ret;
3191 
3192 	ret = sof_parse_tokens(scomp, &config->alh, alh_tokens,
3193 			       ARRAY_SIZE(alh_tokens), private->array,
3194 			       le32_to_cpu(private->size));
3195 	if (ret != 0) {
3196 		dev_err(scomp->dev, "error: parse alh tokens failed %d\n",
3197 			le32_to_cpu(private->size));
3198 		return ret;
3199 	}
3200 
3201 	/* init IPC */
3202 	config->hdr.size = size;
3203 
3204 	/* set config for all DAI's with name matching the link name */
3205 	ret = sof_set_dai_config(sdev, size, link, config);
3206 	if (ret < 0)
3207 		dev_err(scomp->dev, "error: failed to save DAI config for ALH %d\n",
3208 			config->dai_index);
3209 
3210 	return ret;
3211 }
3212 
3213 /* DAI link - used for any driver specific init */
3214 static int sof_link_load(struct snd_soc_component *scomp, int index,
3215 			 struct snd_soc_dai_link *link,
3216 			 struct snd_soc_tplg_link_config *cfg)
3217 {
3218 	struct snd_soc_tplg_private *private = &cfg->priv;
3219 	struct sof_ipc_dai_config config;
3220 	struct snd_soc_tplg_hw_config *hw_config;
3221 	int num_hw_configs;
3222 	int ret;
3223 	int i = 0;
3224 
3225 	if (!link->platforms) {
3226 		dev_err(scomp->dev, "error: no platforms\n");
3227 		return -EINVAL;
3228 	}
3229 	link->platforms->name = dev_name(scomp->dev);
3230 
3231 	/*
3232 	 * Set nonatomic property for FE dai links as their trigger action
3233 	 * involves IPC's.
3234 	 */
3235 	if (!link->no_pcm) {
3236 		link->nonatomic = true;
3237 
3238 		/*
3239 		 * set default trigger order for all links. Exceptions to
3240 		 * the rule will be handled in sof_pcm_dai_link_fixup()
3241 		 * For playback, the sequence is the following: start FE,
3242 		 * start BE, stop BE, stop FE; for Capture the sequence is
3243 		 * inverted start BE, start FE, stop FE, stop BE
3244 		 */
3245 		link->trigger[SNDRV_PCM_STREAM_PLAYBACK] =
3246 					SND_SOC_DPCM_TRIGGER_PRE;
3247 		link->trigger[SNDRV_PCM_STREAM_CAPTURE] =
3248 					SND_SOC_DPCM_TRIGGER_POST;
3249 
3250 		/* nothing more to do for FE dai links */
3251 		return 0;
3252 	}
3253 
3254 	/* check we have some tokens - we need at least DAI type */
3255 	if (le32_to_cpu(private->size) == 0) {
3256 		dev_err(scomp->dev, "error: expected tokens for DAI, none found\n");
3257 		return -EINVAL;
3258 	}
3259 
3260 	/* Send BE DAI link configurations to DSP */
3261 	memset(&config, 0, sizeof(config));
3262 
3263 	/* get any common DAI tokens */
3264 	ret = sof_parse_tokens(scomp, &config, dai_link_tokens,
3265 			       ARRAY_SIZE(dai_link_tokens), private->array,
3266 			       le32_to_cpu(private->size));
3267 	if (ret != 0) {
3268 		dev_err(scomp->dev, "error: parse link tokens failed %d\n",
3269 			le32_to_cpu(private->size));
3270 		return ret;
3271 	}
3272 
3273 	/*
3274 	 * DAI links are expected to have at least 1 hw_config.
3275 	 * But some older topologies might have no hw_config for HDA dai links.
3276 	 */
3277 	num_hw_configs = le32_to_cpu(cfg->num_hw_configs);
3278 	if (!num_hw_configs) {
3279 		if (config.type != SOF_DAI_INTEL_HDA) {
3280 			dev_err(scomp->dev, "error: unexpected DAI config count %d!\n",
3281 				le32_to_cpu(cfg->num_hw_configs));
3282 			return -EINVAL;
3283 		}
3284 	} else {
3285 		dev_dbg(scomp->dev, "tplg: %d hw_configs found, default id: %d!\n",
3286 			cfg->num_hw_configs, le32_to_cpu(cfg->default_hw_config_id));
3287 
3288 		for (i = 0; i < num_hw_configs; i++) {
3289 			if (cfg->hw_config[i].id == cfg->default_hw_config_id)
3290 				break;
3291 		}
3292 
3293 		if (i == num_hw_configs) {
3294 			dev_err(scomp->dev, "error: default hw_config id: %d not found!\n",
3295 				le32_to_cpu(cfg->default_hw_config_id));
3296 			return -EINVAL;
3297 		}
3298 	}
3299 
3300 	/* configure dai IPC message */
3301 	hw_config = &cfg->hw_config[i];
3302 
3303 	config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG;
3304 	config.format = le32_to_cpu(hw_config->fmt);
3305 
3306 	/* now load DAI specific data and send IPC - type comes from token */
3307 	switch (config.type) {
3308 	case SOF_DAI_INTEL_SSP:
3309 		ret = sof_link_ssp_load(scomp, index, link, cfg, hw_config,
3310 					&config);
3311 		break;
3312 	case SOF_DAI_INTEL_DMIC:
3313 		ret = sof_link_dmic_load(scomp, index, link, cfg, hw_config,
3314 					 &config);
3315 		break;
3316 	case SOF_DAI_INTEL_HDA:
3317 		ret = sof_link_hda_load(scomp, index, link, cfg, hw_config,
3318 					&config);
3319 		break;
3320 	case SOF_DAI_INTEL_ALH:
3321 		ret = sof_link_alh_load(scomp, index, link, cfg, hw_config,
3322 					&config);
3323 		break;
3324 	case SOF_DAI_IMX_SAI:
3325 		ret = sof_link_sai_load(scomp, index, link, cfg, hw_config,
3326 					&config);
3327 		break;
3328 	case SOF_DAI_IMX_ESAI:
3329 		ret = sof_link_esai_load(scomp, index, link, cfg, hw_config,
3330 					 &config);
3331 		break;
3332 	default:
3333 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3334 			config.type);
3335 		ret = -EINVAL;
3336 		break;
3337 	}
3338 	if (ret < 0)
3339 		return ret;
3340 
3341 	return 0;
3342 }
3343 
3344 static int sof_link_hda_unload(struct snd_sof_dev *sdev,
3345 			       struct snd_soc_dai_link *link)
3346 {
3347 	struct snd_soc_dai *dai;
3348 
3349 	dai = snd_soc_find_dai(link->cpus);
3350 	if (!dai) {
3351 		dev_err(sdev->dev, "error: failed to find dai %s in %s",
3352 			link->cpus->dai_name, __func__);
3353 		return -EINVAL;
3354 	}
3355 
3356 	return 0;
3357 }
3358 
3359 static int sof_link_unload(struct snd_soc_component *scomp,
3360 			   struct snd_soc_dobj *dobj)
3361 {
3362 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3363 	struct snd_soc_dai_link *link =
3364 		container_of(dobj, struct snd_soc_dai_link, dobj);
3365 
3366 	struct snd_sof_dai *sof_dai;
3367 	int ret = 0;
3368 
3369 	/* only BE link is loaded by sof */
3370 	if (!link->no_pcm)
3371 		return 0;
3372 
3373 	list_for_each_entry(sof_dai, &sdev->dai_list, list) {
3374 		if (!sof_dai->name)
3375 			continue;
3376 
3377 		if (strcmp(link->name, sof_dai->name) == 0)
3378 			goto found;
3379 	}
3380 
3381 	dev_err(scomp->dev, "error: failed to find dai %s in %s",
3382 		link->name, __func__);
3383 	return -EINVAL;
3384 found:
3385 
3386 	switch (sof_dai->dai_config->type) {
3387 	case SOF_DAI_INTEL_SSP:
3388 	case SOF_DAI_INTEL_DMIC:
3389 	case SOF_DAI_INTEL_ALH:
3390 	case SOF_DAI_IMX_SAI:
3391 	case SOF_DAI_IMX_ESAI:
3392 		/* no resource needs to be released for all cases above */
3393 		break;
3394 	case SOF_DAI_INTEL_HDA:
3395 		ret = sof_link_hda_unload(sdev, link);
3396 		break;
3397 	default:
3398 		dev_err(scomp->dev, "error: invalid DAI type %d\n",
3399 			sof_dai->dai_config->type);
3400 		ret = -EINVAL;
3401 		break;
3402 	}
3403 
3404 	return ret;
3405 }
3406 
3407 /* DAI link - used for any driver specific init */
3408 static int sof_route_load(struct snd_soc_component *scomp, int index,
3409 			  struct snd_soc_dapm_route *route)
3410 {
3411 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3412 	struct sof_ipc_pipe_comp_connect *connect;
3413 	struct snd_sof_widget *source_swidget, *sink_swidget;
3414 	struct snd_soc_dobj *dobj = &route->dobj;
3415 	struct snd_sof_route *sroute;
3416 	struct sof_ipc_reply reply;
3417 	int ret = 0;
3418 
3419 	/* allocate memory for sroute and connect */
3420 	sroute = kzalloc(sizeof(*sroute), GFP_KERNEL);
3421 	if (!sroute)
3422 		return -ENOMEM;
3423 
3424 	sroute->scomp = scomp;
3425 
3426 	connect = kzalloc(sizeof(*connect), GFP_KERNEL);
3427 	if (!connect) {
3428 		kfree(sroute);
3429 		return -ENOMEM;
3430 	}
3431 
3432 	connect->hdr.size = sizeof(*connect);
3433 	connect->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
3434 
3435 	dev_dbg(scomp->dev, "sink %s control %s source %s\n",
3436 		route->sink, route->control ? route->control : "none",
3437 		route->source);
3438 
3439 	/* source component */
3440 	source_swidget = snd_sof_find_swidget(scomp, (char *)route->source);
3441 	if (!source_swidget) {
3442 		dev_err(scomp->dev, "error: source %s not found\n",
3443 			route->source);
3444 		ret = -EINVAL;
3445 		goto err;
3446 	}
3447 
3448 	/*
3449 	 * Virtual widgets of type output/out_drv may be added in topology
3450 	 * for compatibility. These are not handled by the FW.
3451 	 * So, don't send routes whose source/sink widget is of such types
3452 	 * to the DSP.
3453 	 */
3454 	if (source_swidget->id == snd_soc_dapm_out_drv ||
3455 	    source_swidget->id == snd_soc_dapm_output)
3456 		goto err;
3457 
3458 	connect->source_id = source_swidget->comp_id;
3459 
3460 	/* sink component */
3461 	sink_swidget = snd_sof_find_swidget(scomp, (char *)route->sink);
3462 	if (!sink_swidget) {
3463 		dev_err(scomp->dev, "error: sink %s not found\n",
3464 			route->sink);
3465 		ret = -EINVAL;
3466 		goto err;
3467 	}
3468 
3469 	/*
3470 	 * Don't send routes whose sink widget is of type
3471 	 * output or out_drv to the DSP
3472 	 */
3473 	if (sink_swidget->id == snd_soc_dapm_out_drv ||
3474 	    sink_swidget->id == snd_soc_dapm_output)
3475 		goto err;
3476 
3477 	connect->sink_id = sink_swidget->comp_id;
3478 
3479 	/*
3480 	 * For virtual routes, both sink and source are not
3481 	 * buffer. Since only buffer linked to component is supported by
3482 	 * FW, others are reported as error, add check in route function,
3483 	 * do not send it to FW when both source and sink are not buffer
3484 	 */
3485 	if (source_swidget->id != snd_soc_dapm_buffer &&
3486 	    sink_swidget->id != snd_soc_dapm_buffer) {
3487 		dev_dbg(scomp->dev, "warning: neither Linked source component %s nor sink component %s is of buffer type, ignoring link\n",
3488 			route->source, route->sink);
3489 		goto err;
3490 	} else {
3491 		ret = sof_ipc_tx_message(sdev->ipc,
3492 					 connect->hdr.cmd,
3493 					 connect, sizeof(*connect),
3494 					 &reply, sizeof(reply));
3495 
3496 		/* check IPC return value */
3497 		if (ret < 0) {
3498 			dev_err(scomp->dev, "error: failed to add route sink %s control %s source %s\n",
3499 				route->sink,
3500 				route->control ? route->control : "none",
3501 				route->source);
3502 			goto err;
3503 		}
3504 
3505 		/* check IPC reply */
3506 		if (reply.error < 0) {
3507 			dev_err(scomp->dev, "error: DSP failed to add route sink %s control %s source %s result %d\n",
3508 				route->sink,
3509 				route->control ? route->control : "none",
3510 				route->source, reply.error);
3511 			ret = reply.error;
3512 			goto err;
3513 		}
3514 
3515 		sroute->route = route;
3516 		dobj->private = sroute;
3517 		sroute->private = connect;
3518 
3519 		/* add route to route list */
3520 		list_add(&sroute->list, &sdev->route_list);
3521 
3522 		return 0;
3523 	}
3524 
3525 err:
3526 	kfree(connect);
3527 	kfree(sroute);
3528 	return ret;
3529 }
3530 
3531 /* Function to set the initial value of SOF kcontrols.
3532  * The value will be stored in scontrol->control_data
3533  */
3534 static int snd_sof_cache_kcontrol_val(struct snd_soc_component *scomp)
3535 {
3536 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3537 	struct snd_sof_control *scontrol = NULL;
3538 	int ipc_cmd, ctrl_type;
3539 	int ret = 0;
3540 
3541 	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
3542 
3543 		/* notify DSP of kcontrol values */
3544 		switch (scontrol->cmd) {
3545 		case SOF_CTRL_CMD_VOLUME:
3546 		case SOF_CTRL_CMD_ENUM:
3547 		case SOF_CTRL_CMD_SWITCH:
3548 			ipc_cmd = SOF_IPC_COMP_GET_VALUE;
3549 			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_GET;
3550 			break;
3551 		case SOF_CTRL_CMD_BINARY:
3552 			ipc_cmd = SOF_IPC_COMP_GET_DATA;
3553 			ctrl_type = SOF_CTRL_TYPE_DATA_GET;
3554 			break;
3555 		default:
3556 			dev_err(scomp->dev,
3557 				"error: Invalid scontrol->cmd: %d\n",
3558 				scontrol->cmd);
3559 			return -EINVAL;
3560 		}
3561 		ret = snd_sof_ipc_set_get_comp_data(scontrol,
3562 						    ipc_cmd, ctrl_type,
3563 						    scontrol->cmd,
3564 						    false);
3565 		if (ret < 0) {
3566 			dev_warn(scomp->dev,
3567 				 "error: kcontrol value get for widget: %d\n",
3568 				 scontrol->comp_id);
3569 		}
3570 	}
3571 
3572 	return ret;
3573 }
3574 
3575 int snd_sof_complete_pipeline(struct device *dev,
3576 			      struct snd_sof_widget *swidget)
3577 {
3578 	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
3579 	struct sof_ipc_pipe_ready ready;
3580 	struct sof_ipc_reply reply;
3581 	int ret;
3582 
3583 	dev_dbg(dev, "tplg: complete pipeline %s id %d\n",
3584 		swidget->widget->name, swidget->comp_id);
3585 
3586 	memset(&ready, 0, sizeof(ready));
3587 	ready.hdr.size = sizeof(ready);
3588 	ready.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_PIPE_COMPLETE;
3589 	ready.comp_id = swidget->comp_id;
3590 
3591 	ret = sof_ipc_tx_message(sdev->ipc,
3592 				 ready.hdr.cmd, &ready, sizeof(ready), &reply,
3593 				 sizeof(reply));
3594 	if (ret < 0)
3595 		return ret;
3596 	return 1;
3597 }
3598 
3599 /* completion - called at completion of firmware loading */
3600 static void sof_complete(struct snd_soc_component *scomp)
3601 {
3602 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
3603 	struct snd_sof_widget *swidget;
3604 
3605 	/* some widget types require completion notificattion */
3606 	list_for_each_entry(swidget, &sdev->widget_list, list) {
3607 		if (swidget->complete)
3608 			continue;
3609 
3610 		switch (swidget->id) {
3611 		case snd_soc_dapm_scheduler:
3612 			swidget->complete =
3613 				snd_sof_complete_pipeline(scomp->dev, swidget);
3614 			break;
3615 		default:
3616 			break;
3617 		}
3618 	}
3619 	/*
3620 	 * cache initial values of SOF kcontrols by reading DSP value over
3621 	 * IPC. It may be overwritten by alsa-mixer after booting up
3622 	 */
3623 	snd_sof_cache_kcontrol_val(scomp);
3624 }
3625 
3626 /* manifest - optional to inform component of manifest */
3627 static int sof_manifest(struct snd_soc_component *scomp, int index,
3628 			struct snd_soc_tplg_manifest *man)
3629 {
3630 	u32 size;
3631 	u32 abi_version;
3632 
3633 	size = le32_to_cpu(man->priv.size);
3634 
3635 	/* backward compatible with tplg without ABI info */
3636 	if (!size) {
3637 		dev_dbg(scomp->dev, "No topology ABI info\n");
3638 		return 0;
3639 	}
3640 
3641 	if (size != SOF_TPLG_ABI_SIZE) {
3642 		dev_err(scomp->dev, "error: invalid topology ABI size\n");
3643 		return -EINVAL;
3644 	}
3645 
3646 	dev_info(scomp->dev,
3647 		 "Topology: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
3648 		 man->priv.data[0], man->priv.data[1],
3649 		 man->priv.data[2], SOF_ABI_MAJOR, SOF_ABI_MINOR,
3650 		 SOF_ABI_PATCH);
3651 
3652 	abi_version = SOF_ABI_VER(man->priv.data[0],
3653 				  man->priv.data[1],
3654 				  man->priv.data[2]);
3655 
3656 	if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, abi_version)) {
3657 		dev_err(scomp->dev, "error: incompatible topology ABI version\n");
3658 		return -EINVAL;
3659 	}
3660 
3661 	if (SOF_ABI_VERSION_MINOR(abi_version) > SOF_ABI_MINOR) {
3662 		if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
3663 			dev_warn(scomp->dev, "warn: topology ABI is more recent than kernel\n");
3664 		} else {
3665 			dev_err(scomp->dev, "error: topology ABI is more recent than kernel\n");
3666 			return -EINVAL;
3667 		}
3668 	}
3669 
3670 	return 0;
3671 }
3672 
3673 /* vendor specific kcontrol handlers available for binding */
3674 static const struct snd_soc_tplg_kcontrol_ops sof_io_ops[] = {
3675 	{SOF_TPLG_KCTL_VOL_ID, snd_sof_volume_get, snd_sof_volume_put},
3676 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_get, snd_sof_bytes_put},
3677 	{SOF_TPLG_KCTL_ENUM_ID, snd_sof_enum_get, snd_sof_enum_put},
3678 	{SOF_TPLG_KCTL_SWITCH_ID, snd_sof_switch_get, snd_sof_switch_put},
3679 };
3680 
3681 /* vendor specific bytes ext handlers available for binding */
3682 static const struct snd_soc_tplg_bytes_ext_ops sof_bytes_ext_ops[] = {
3683 	{SOF_TPLG_KCTL_BYTES_ID, snd_sof_bytes_ext_get, snd_sof_bytes_ext_put},
3684 	{SOF_TPLG_KCTL_BYTES_VOLATILE_RO, snd_sof_bytes_ext_volatile_get},
3685 };
3686 
3687 static struct snd_soc_tplg_ops sof_tplg_ops = {
3688 	/* external kcontrol init - used for any driver specific init */
3689 	.control_load	= sof_control_load,
3690 	.control_unload	= sof_control_unload,
3691 
3692 	/* external kcontrol init - used for any driver specific init */
3693 	.dapm_route_load	= sof_route_load,
3694 	.dapm_route_unload	= sof_route_unload,
3695 
3696 	/* external widget init - used for any driver specific init */
3697 	/* .widget_load is not currently used */
3698 	.widget_ready	= sof_widget_ready,
3699 	.widget_unload	= sof_widget_unload,
3700 
3701 	/* FE DAI - used for any driver specific init */
3702 	.dai_load	= sof_dai_load,
3703 	.dai_unload	= sof_dai_unload,
3704 
3705 	/* DAI link - used for any driver specific init */
3706 	.link_load	= sof_link_load,
3707 	.link_unload	= sof_link_unload,
3708 
3709 	/* completion - called at completion of firmware loading */
3710 	.complete	= sof_complete,
3711 
3712 	/* manifest - optional to inform component of manifest */
3713 	.manifest	= sof_manifest,
3714 
3715 	/* vendor specific kcontrol handlers available for binding */
3716 	.io_ops		= sof_io_ops,
3717 	.io_ops_count	= ARRAY_SIZE(sof_io_ops),
3718 
3719 	/* vendor specific bytes ext handlers available for binding */
3720 	.bytes_ext_ops	= sof_bytes_ext_ops,
3721 	.bytes_ext_ops_count	= ARRAY_SIZE(sof_bytes_ext_ops),
3722 };
3723 
3724 int snd_sof_load_topology(struct snd_soc_component *scomp, const char *file)
3725 {
3726 	const struct firmware *fw;
3727 	int ret;
3728 
3729 	dev_dbg(scomp->dev, "loading topology:%s\n", file);
3730 
3731 	ret = request_firmware(&fw, file, scomp->dev);
3732 	if (ret < 0) {
3733 		dev_err(scomp->dev, "error: tplg request firmware %s failed err: %d\n",
3734 			file, ret);
3735 		dev_err(scomp->dev,
3736 			"you may need to download the firmware from https://github.com/thesofproject/sof-bin/\n");
3737 		return ret;
3738 	}
3739 
3740 	ret = snd_soc_tplg_component_load(scomp, &sof_tplg_ops, fw);
3741 	if (ret < 0) {
3742 		dev_err(scomp->dev, "error: tplg component load failed %d\n",
3743 			ret);
3744 		ret = -EINVAL;
3745 	}
3746 
3747 	release_firmware(fw);
3748 	return ret;
3749 }
3750 EXPORT_SYMBOL(snd_sof_load_topology);
3751