xref: /linux/sound/soc/intel/catpt/pcm.c (revision 329bdcbbd229731dc5a8b6753aa2409f00869331)
1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2020 Intel Corporation
4 //
5 // Author: Cezary Rojewski <cezary.rojewski@intel.com>
6 //
7 
8 #include <linux/pm_runtime.h>
9 #include <sound/soc.h>
10 #include <sound/pcm_params.h>
11 #include <uapi/sound/tlv.h>
12 #include "core.h"
13 #include "messages.h"
14 
15 struct catpt_stream_template {
16 	enum catpt_path_id path_id;
17 	enum catpt_stream_type type;
18 	u32 persistent_size;
19 	u8 num_entries;
20 	struct catpt_module_entry entries[];
21 };
22 
23 static struct catpt_stream_template system_pb = {
24 	.path_id = CATPT_PATH_SSP0_OUT,
25 	.type = CATPT_STRM_TYPE_SYSTEM,
26 	.num_entries = 1,
27 	.entries = {{ CATPT_MODID_PCM_SYSTEM, 0 }},
28 };
29 
30 static struct catpt_stream_template system_cp = {
31 	.path_id = CATPT_PATH_SSP0_IN,
32 	.type = CATPT_STRM_TYPE_CAPTURE,
33 	.num_entries = 1,
34 	.entries = {{ CATPT_MODID_PCM_CAPTURE, 0 }},
35 };
36 
37 static struct catpt_stream_template offload_pb = {
38 	.path_id = CATPT_PATH_SSP0_OUT,
39 	.type = CATPT_STRM_TYPE_RENDER,
40 	.num_entries = 1,
41 	.entries = {{ CATPT_MODID_PCM, 0 }},
42 };
43 
44 static struct catpt_stream_template loopback_cp = {
45 	.path_id = CATPT_PATH_SSP0_OUT,
46 	.type = CATPT_STRM_TYPE_LOOPBACK,
47 	.num_entries = 1,
48 	.entries = {{ CATPT_MODID_PCM_REFERENCE, 0 }},
49 };
50 
51 static struct catpt_stream_template bluetooth_pb = {
52 	.path_id = CATPT_PATH_SSP1_OUT,
53 	.type = CATPT_STRM_TYPE_BLUETOOTH_RENDER,
54 	.num_entries = 1,
55 	.entries = {{ CATPT_MODID_BLUETOOTH_RENDER, 0 }},
56 };
57 
58 static struct catpt_stream_template bluetooth_cp = {
59 	.path_id = CATPT_PATH_SSP1_IN,
60 	.type = CATPT_STRM_TYPE_BLUETOOTH_CAPTURE,
61 	.num_entries = 1,
62 	.entries = {{ CATPT_MODID_BLUETOOTH_CAPTURE, 0 }},
63 };
64 
65 static struct catpt_stream_template *catpt_topology[] = {
66 	[CATPT_STRM_TYPE_RENDER]		= &offload_pb,
67 	[CATPT_STRM_TYPE_SYSTEM]		= &system_pb,
68 	[CATPT_STRM_TYPE_CAPTURE]		= &system_cp,
69 	[CATPT_STRM_TYPE_LOOPBACK]		= &loopback_cp,
70 	[CATPT_STRM_TYPE_BLUETOOTH_RENDER]	= &bluetooth_pb,
71 	[CATPT_STRM_TYPE_BLUETOOTH_CAPTURE]	= &bluetooth_cp,
72 };
73 
74 static struct catpt_stream_template *
75 catpt_get_stream_template(struct snd_pcm_substream *substream)
76 {
77 	struct snd_soc_pcm_runtime *rtm = snd_soc_substream_to_rtd(substream);
78 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtm, 0);
79 	enum catpt_stream_type type;
80 
81 	type = cpu_dai->driver->id;
82 
83 	/* account for capture in bidirectional dais */
84 	switch (type) {
85 	case CATPT_STRM_TYPE_SYSTEM:
86 		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
87 			type = CATPT_STRM_TYPE_CAPTURE;
88 		break;
89 	case CATPT_STRM_TYPE_BLUETOOTH_RENDER:
90 		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
91 			type = CATPT_STRM_TYPE_BLUETOOTH_CAPTURE;
92 		break;
93 	default:
94 		break;
95 	}
96 
97 	return catpt_topology[type];
98 }
99 
100 struct catpt_stream_runtime *
101 catpt_stream_find(struct catpt_dev *cdev, u8 stream_hw_id)
102 {
103 	struct catpt_stream_runtime *pos, *result = NULL;
104 
105 	spin_lock(&cdev->list_lock);
106 	list_for_each_entry(pos, &cdev->stream_list, node) {
107 		if (pos->info.stream_hw_id == stream_hw_id) {
108 			result = pos;
109 			break;
110 		}
111 	}
112 
113 	spin_unlock(&cdev->list_lock);
114 	return result;
115 }
116 
117 static u32 catpt_stream_read_position(struct catpt_dev *cdev,
118 				      struct catpt_stream_runtime *stream)
119 {
120 	u32 pos;
121 
122 	memcpy_fromio(&pos, cdev->lpe_ba + stream->info.read_pos_regaddr,
123 		      sizeof(pos));
124 	return pos;
125 }
126 
127 static u32 catpt_stream_volume(struct catpt_dev *cdev,
128 			       struct catpt_stream_runtime *stream, u32 channel)
129 {
130 	u32 volume, offset;
131 
132 	if (channel >= CATPT_CHANNELS_MAX)
133 		channel = 0;
134 
135 	offset = stream->info.volume_regaddr[channel];
136 	memcpy_fromio(&volume, cdev->lpe_ba + offset, sizeof(volume));
137 	return volume;
138 }
139 
140 static u32 catpt_mixer_volume(struct catpt_dev *cdev,
141 			      struct catpt_mixer_stream_info *info, u32 channel)
142 {
143 	u32 volume, offset;
144 
145 	if (channel >= CATPT_CHANNELS_MAX)
146 		channel = 0;
147 
148 	offset = info->volume_regaddr[channel];
149 	memcpy_fromio(&volume, cdev->lpe_ba + offset, sizeof(volume));
150 	return volume;
151 }
152 
153 static void catpt_arrange_page_table(struct snd_pcm_substream *substream,
154 				     struct snd_dma_buffer *pgtbl)
155 {
156 	struct snd_pcm_runtime *rtm = substream->runtime;
157 	struct snd_dma_buffer *databuf = snd_pcm_get_dma_buf(substream);
158 	int i, pages;
159 
160 	pages = snd_sgbuf_aligned_pages(rtm->dma_bytes);
161 
162 	for (i = 0; i < pages; i++) {
163 		u32 pfn, offset;
164 		u32 *page_table;
165 
166 		pfn = PFN_DOWN(snd_sgbuf_get_addr(databuf, i * PAGE_SIZE));
167 		/* incrementing by 2 on even and 3 on odd */
168 		offset = ((i << 2) + i) >> 1;
169 		page_table = (u32 *)(pgtbl->area + offset);
170 
171 		if (i & 1)
172 			*page_table |= (pfn << 4);
173 		else
174 			*page_table |= pfn;
175 	}
176 }
177 
178 static u32 catpt_get_channel_map(enum catpt_channel_config config)
179 {
180 	switch (config) {
181 	case CATPT_CHANNEL_CONFIG_MONO:
182 		return GENMASK(31, 4) | CATPT_CHANNEL_CENTER;
183 
184 	case CATPT_CHANNEL_CONFIG_STEREO:
185 		return GENMASK(31, 8) | CATPT_CHANNEL_LEFT
186 				      | (CATPT_CHANNEL_RIGHT << 4);
187 
188 	case CATPT_CHANNEL_CONFIG_2_POINT_1:
189 		return GENMASK(31, 12) | CATPT_CHANNEL_LEFT
190 				       | (CATPT_CHANNEL_RIGHT << 4)
191 				       | (CATPT_CHANNEL_LFE << 8);
192 
193 	case CATPT_CHANNEL_CONFIG_3_POINT_0:
194 		return GENMASK(31, 12) | CATPT_CHANNEL_LEFT
195 				       | (CATPT_CHANNEL_CENTER << 4)
196 				       | (CATPT_CHANNEL_RIGHT << 8);
197 
198 	case CATPT_CHANNEL_CONFIG_3_POINT_1:
199 		return GENMASK(31, 16) | CATPT_CHANNEL_LEFT
200 				       | (CATPT_CHANNEL_CENTER << 4)
201 				       | (CATPT_CHANNEL_RIGHT << 8)
202 				       | (CATPT_CHANNEL_LFE << 12);
203 
204 	case CATPT_CHANNEL_CONFIG_QUATRO:
205 		return GENMASK(31, 16) | CATPT_CHANNEL_LEFT
206 				       | (CATPT_CHANNEL_RIGHT << 4)
207 				       | (CATPT_CHANNEL_LEFT_SURROUND << 8)
208 				       | (CATPT_CHANNEL_RIGHT_SURROUND << 12);
209 
210 	case CATPT_CHANNEL_CONFIG_4_POINT_0:
211 		return GENMASK(31, 16) | CATPT_CHANNEL_LEFT
212 				       | (CATPT_CHANNEL_CENTER << 4)
213 				       | (CATPT_CHANNEL_RIGHT << 8)
214 				       | (CATPT_CHANNEL_CENTER_SURROUND << 12);
215 
216 	case CATPT_CHANNEL_CONFIG_5_POINT_0:
217 		return GENMASK(31, 20) | CATPT_CHANNEL_LEFT
218 				       | (CATPT_CHANNEL_CENTER << 4)
219 				       | (CATPT_CHANNEL_RIGHT << 8)
220 				       | (CATPT_CHANNEL_LEFT_SURROUND << 12)
221 				       | (CATPT_CHANNEL_RIGHT_SURROUND << 16);
222 
223 	case CATPT_CHANNEL_CONFIG_5_POINT_1:
224 		return GENMASK(31, 24) | CATPT_CHANNEL_CENTER
225 				       | (CATPT_CHANNEL_LEFT << 4)
226 				       | (CATPT_CHANNEL_RIGHT << 8)
227 				       | (CATPT_CHANNEL_LEFT_SURROUND << 12)
228 				       | (CATPT_CHANNEL_RIGHT_SURROUND << 16)
229 				       | (CATPT_CHANNEL_LFE << 20);
230 
231 	case CATPT_CHANNEL_CONFIG_DUAL_MONO:
232 		return GENMASK(31, 8) | CATPT_CHANNEL_LEFT
233 				      | (CATPT_CHANNEL_LEFT << 4);
234 
235 	default:
236 		return U32_MAX;
237 	}
238 }
239 
240 static enum catpt_channel_config catpt_get_channel_config(u32 num_channels)
241 {
242 	switch (num_channels) {
243 	case 6:
244 		return CATPT_CHANNEL_CONFIG_5_POINT_1;
245 	case 5:
246 		return CATPT_CHANNEL_CONFIG_5_POINT_0;
247 	case 4:
248 		return CATPT_CHANNEL_CONFIG_QUATRO;
249 	case 3:
250 		return CATPT_CHANNEL_CONFIG_2_POINT_1;
251 	case 1:
252 		return CATPT_CHANNEL_CONFIG_MONO;
253 	case 2:
254 	default:
255 		return CATPT_CHANNEL_CONFIG_STEREO;
256 	}
257 }
258 
259 static int catpt_dai_startup(struct snd_pcm_substream *substream,
260 			     struct snd_soc_dai *dai)
261 {
262 	struct catpt_stream_template *template;
263 	struct catpt_stream_runtime *stream;
264 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
265 	struct resource *res;
266 	int ret;
267 
268 	template = catpt_get_stream_template(substream);
269 
270 	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
271 	if (!stream)
272 		return -ENOMEM;
273 
274 	ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, cdev->dev, PAGE_SIZE,
275 				  &stream->pgtbl);
276 	if (ret)
277 		goto err_pgtbl;
278 
279 	res = catpt_request_region(&cdev->dram, template->persistent_size);
280 	if (!res) {
281 		ret = -EBUSY;
282 		goto err_request;
283 	}
284 
285 	catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask);
286 
287 	stream->template = template;
288 	stream->persistent = res;
289 	stream->substream = substream;
290 	INIT_LIST_HEAD(&stream->node);
291 	snd_soc_dai_set_dma_data(dai, substream, stream);
292 
293 	spin_lock(&cdev->list_lock);
294 	list_add_tail(&stream->node, &cdev->stream_list);
295 	spin_unlock(&cdev->list_lock);
296 
297 	return 0;
298 
299 err_request:
300 	snd_dma_free_pages(&stream->pgtbl);
301 err_pgtbl:
302 	kfree(stream);
303 	return ret;
304 }
305 
306 static void catpt_dai_shutdown(struct snd_pcm_substream *substream,
307 			       struct snd_soc_dai *dai)
308 {
309 	struct catpt_stream_runtime *stream;
310 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
311 
312 	stream = snd_soc_dai_get_dma_data(dai, substream);
313 
314 	spin_lock(&cdev->list_lock);
315 	list_del(&stream->node);
316 	spin_unlock(&cdev->list_lock);
317 
318 	release_resource(stream->persistent);
319 	kfree(stream->persistent);
320 	catpt_dsp_update_srampge(cdev, &cdev->dram, cdev->spec->dram_mask);
321 
322 	snd_dma_free_pages(&stream->pgtbl);
323 	kfree(stream);
324 	snd_soc_dai_set_dma_data(dai, substream, NULL);
325 }
326 
327 static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol);
328 
329 static int catpt_dai_apply_usettings(struct snd_soc_dai *dai,
330 				     struct catpt_stream_runtime *stream)
331 {
332 	struct snd_soc_component *component = dai->component;
333 	struct snd_kcontrol *pos;
334 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
335 	const char *name;
336 	int ret;
337 	u32 id = stream->info.stream_hw_id;
338 
339 	/* only selected streams have individual controls */
340 	switch (id) {
341 	case CATPT_PIN_ID_OFFLOAD1:
342 		name = "Media0 Playback Volume";
343 		break;
344 	case CATPT_PIN_ID_OFFLOAD2:
345 		name = "Media1 Playback Volume";
346 		break;
347 	case CATPT_PIN_ID_CAPTURE1:
348 		name = "Mic Capture Volume";
349 		break;
350 	case CATPT_PIN_ID_REFERENCE:
351 		name = "Loopback Mute";
352 		break;
353 	default:
354 		return 0;
355 	}
356 
357 	list_for_each_entry(pos, &component->card->snd_card->controls, list) {
358 		if (pos->private_data == component &&
359 		    !strncmp(name, pos->id.name, sizeof(pos->id.name)))
360 			break;
361 	}
362 	if (list_entry_is_head(pos, &component->card->snd_card->controls, list))
363 		return -ENOENT;
364 
365 	if (stream->template->type != CATPT_STRM_TYPE_LOOPBACK)
366 		return catpt_set_dspvol(cdev, id, (long *)pos->private_value);
367 	ret = catpt_ipc_mute_loopback(cdev, id, *(bool *)pos->private_value);
368 	if (ret)
369 		return CATPT_IPC_ERROR(ret);
370 	return 0;
371 }
372 
373 static int catpt_dai_hw_params(struct snd_pcm_substream *substream,
374 			       struct snd_pcm_hw_params *params,
375 			       struct snd_soc_dai *dai)
376 {
377 	struct snd_pcm_runtime *rtm = substream->runtime;
378 	struct snd_dma_buffer *dmab;
379 	struct catpt_stream_runtime *stream;
380 	struct catpt_audio_format afmt;
381 	struct catpt_ring_info rinfo;
382 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
383 	int ret;
384 
385 	stream = snd_soc_dai_get_dma_data(dai, substream);
386 	if (stream->allocated)
387 		return 0;
388 
389 	memset(&afmt, 0, sizeof(afmt));
390 	afmt.sample_rate = params_rate(params);
391 	afmt.bit_depth = params_physical_width(params);
392 	afmt.valid_bit_depth = params_width(params);
393 	afmt.num_channels = params_channels(params);
394 	afmt.channel_config = catpt_get_channel_config(afmt.num_channels);
395 	afmt.channel_map = catpt_get_channel_map(afmt.channel_config);
396 	afmt.interleaving = CATPT_INTERLEAVING_PER_CHANNEL;
397 
398 	dmab = snd_pcm_get_dma_buf(substream);
399 	catpt_arrange_page_table(substream, &stream->pgtbl);
400 
401 	memset(&rinfo, 0, sizeof(rinfo));
402 	rinfo.page_table_addr = stream->pgtbl.addr;
403 	rinfo.num_pages = DIV_ROUND_UP(rtm->dma_bytes, PAGE_SIZE);
404 	rinfo.size = rtm->dma_bytes;
405 	rinfo.offset = 0;
406 	rinfo.ring_first_page_pfn = PFN_DOWN(snd_sgbuf_get_addr(dmab, 0));
407 
408 	ret = catpt_ipc_alloc_stream(cdev, stream->template->path_id,
409 				     stream->template->type,
410 				     &afmt, &rinfo,
411 				     stream->template->num_entries,
412 				     stream->template->entries,
413 				     stream->persistent,
414 				     cdev->scratch,
415 				     &stream->info);
416 	if (ret)
417 		return CATPT_IPC_ERROR(ret);
418 
419 	ret = catpt_dai_apply_usettings(dai, stream);
420 	if (ret)
421 		return ret;
422 
423 	stream->allocated = true;
424 	return 0;
425 }
426 
427 static int catpt_dai_hw_free(struct snd_pcm_substream *substream,
428 			     struct snd_soc_dai *dai)
429 {
430 	struct catpt_stream_runtime *stream;
431 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
432 
433 	stream = snd_soc_dai_get_dma_data(dai, substream);
434 	if (!stream->allocated)
435 		return 0;
436 
437 	catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id);
438 	catpt_ipc_free_stream(cdev, stream->info.stream_hw_id);
439 
440 	stream->allocated = false;
441 	return 0;
442 }
443 
444 static int catpt_dai_prepare(struct snd_pcm_substream *substream,
445 			     struct snd_soc_dai *dai)
446 {
447 	struct catpt_stream_runtime *stream;
448 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
449 	int ret;
450 
451 	stream = snd_soc_dai_get_dma_data(dai, substream);
452 	if (stream->prepared)
453 		return 0;
454 
455 	ret = catpt_ipc_reset_stream(cdev, stream->info.stream_hw_id);
456 	if (ret)
457 		return CATPT_IPC_ERROR(ret);
458 
459 	ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id);
460 	if (ret)
461 		return CATPT_IPC_ERROR(ret);
462 
463 	stream->prepared = true;
464 	return 0;
465 }
466 
467 static int catpt_dai_trigger(struct snd_pcm_substream *substream, int cmd,
468 			     struct snd_soc_dai *dai)
469 {
470 	struct snd_pcm_runtime *runtime = substream->runtime;
471 	struct catpt_stream_runtime *stream;
472 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
473 	snd_pcm_uframes_t pos;
474 	int ret;
475 
476 	stream = snd_soc_dai_get_dma_data(dai, substream);
477 
478 	switch (cmd) {
479 	case SNDRV_PCM_TRIGGER_START:
480 		/* only offload is set_write_pos driven */
481 		if (stream->template->type != CATPT_STRM_TYPE_RENDER)
482 			goto resume_stream;
483 
484 		pos = frames_to_bytes(runtime, runtime->start_threshold);
485 		/*
486 		 * Dsp operates on buffer halves, thus max 2x set_write_pos
487 		 * (entire buffer filled) prior to stream start.
488 		 */
489 		ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id,
490 					      pos, false, false);
491 		if (ret)
492 			return CATPT_IPC_ERROR(ret);
493 		fallthrough;
494 	case SNDRV_PCM_TRIGGER_RESUME:
495 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
496 	resume_stream:
497 		catpt_dsp_update_lpclock(cdev);
498 		ret = catpt_ipc_resume_stream(cdev, stream->info.stream_hw_id);
499 		if (ret)
500 			return CATPT_IPC_ERROR(ret);
501 		break;
502 
503 	case SNDRV_PCM_TRIGGER_STOP:
504 		stream->prepared = false;
505 		fallthrough;
506 	case SNDRV_PCM_TRIGGER_SUSPEND:
507 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
508 		ret = catpt_ipc_pause_stream(cdev, stream->info.stream_hw_id);
509 		catpt_dsp_update_lpclock(cdev);
510 		if (ret)
511 			return CATPT_IPC_ERROR(ret);
512 		break;
513 
514 	default:
515 		break;
516 	}
517 
518 	return 0;
519 }
520 
521 void catpt_stream_update_position(struct catpt_dev *cdev,
522 				  struct catpt_stream_runtime *stream,
523 				  struct catpt_notify_position *pos)
524 {
525 	struct snd_pcm_substream *substream = stream->substream;
526 	struct snd_pcm_runtime *r = substream->runtime;
527 	snd_pcm_uframes_t dsppos, newpos;
528 	int ret;
529 
530 	dsppos = bytes_to_frames(r, pos->stream_position);
531 
532 	if (!stream->prepared)
533 		goto exit;
534 	/* only offload is set_write_pos driven */
535 	if (stream->template->type != CATPT_STRM_TYPE_RENDER)
536 		goto exit;
537 
538 	if (dsppos >= r->buffer_size / 2)
539 		newpos = r->buffer_size / 2;
540 	else
541 		newpos = 0;
542 	/*
543 	 * Dsp operates on buffer halves, thus on every notify position
544 	 * (buffer half consumed) update wp to allow stream progression.
545 	 */
546 	ret = catpt_ipc_set_write_pos(cdev, stream->info.stream_hw_id,
547 				      frames_to_bytes(r, newpos),
548 				      false, false);
549 	if (ret) {
550 		dev_err(cdev->dev, "update position for stream %d failed: %d\n",
551 			stream->info.stream_hw_id, ret);
552 		return;
553 	}
554 exit:
555 	snd_pcm_period_elapsed(substream);
556 }
557 
558 /* 200 ms for 2 32-bit channels at 48kHz (native format) */
559 #define CATPT_BUFFER_MAX_SIZE	76800
560 #define CATPT_PCM_PERIODS_MAX	4
561 #define CATPT_PCM_PERIODS_MIN	2
562 
563 static const struct snd_pcm_hardware catpt_pcm_hardware = {
564 	.info			= SNDRV_PCM_INFO_MMAP |
565 				  SNDRV_PCM_INFO_MMAP_VALID |
566 				  SNDRV_PCM_INFO_INTERLEAVED |
567 				  SNDRV_PCM_INFO_PAUSE |
568 				  SNDRV_PCM_INFO_RESUME |
569 				  SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
570 	.formats		= SNDRV_PCM_FMTBIT_S16_LE |
571 				  SNDRV_PCM_FMTBIT_S32_LE,
572 	.subformats		= SNDRV_PCM_SUBFMTBIT_MSBITS_24 |
573 				  SNDRV_PCM_SUBFMTBIT_MSBITS_MAX,
574 	.period_bytes_min	= PAGE_SIZE,
575 	.period_bytes_max	= CATPT_BUFFER_MAX_SIZE / CATPT_PCM_PERIODS_MIN,
576 	.periods_min		= CATPT_PCM_PERIODS_MIN,
577 	.periods_max		= CATPT_PCM_PERIODS_MAX,
578 	.buffer_bytes_max	= CATPT_BUFFER_MAX_SIZE,
579 };
580 
581 static int catpt_component_pcm_construct(struct snd_soc_component *component,
582 					 struct snd_soc_pcm_runtime *rtm)
583 {
584 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
585 
586 	snd_pcm_set_managed_buffer_all(rtm->pcm, SNDRV_DMA_TYPE_DEV_SG,
587 				       cdev->dev,
588 				       catpt_pcm_hardware.buffer_bytes_max,
589 				       catpt_pcm_hardware.buffer_bytes_max);
590 
591 	return 0;
592 }
593 
594 static int catpt_component_open(struct snd_soc_component *component,
595 				struct snd_pcm_substream *substream)
596 {
597 	struct snd_soc_pcm_runtime *rtm = snd_soc_substream_to_rtd(substream);
598 
599 	if (!rtm->dai_link->no_pcm)
600 		snd_soc_set_runtime_hwparams(substream, &catpt_pcm_hardware);
601 	return 0;
602 }
603 
604 static snd_pcm_uframes_t
605 catpt_component_pointer(struct snd_soc_component *component,
606 			struct snd_pcm_substream *substream)
607 {
608 	struct snd_soc_pcm_runtime *rtm = snd_soc_substream_to_rtd(substream);
609 	struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtm, 0);
610 	struct catpt_stream_runtime *stream;
611 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
612 	u32 pos;
613 
614 	if (rtm->dai_link->no_pcm)
615 		return 0;
616 
617 	stream = snd_soc_dai_get_dma_data(cpu_dai, substream);
618 	pos = catpt_stream_read_position(cdev, stream);
619 
620 	return bytes_to_frames(substream->runtime, pos);
621 }
622 
623 static const struct snd_soc_dai_ops catpt_fe_dai_ops = {
624 	.startup = catpt_dai_startup,
625 	.shutdown = catpt_dai_shutdown,
626 	.hw_params = catpt_dai_hw_params,
627 	.hw_free = catpt_dai_hw_free,
628 	.prepare = catpt_dai_prepare,
629 	.trigger = catpt_dai_trigger,
630 };
631 
632 static int catpt_dai_pcm_new(struct snd_soc_pcm_runtime *rtm,
633 			     struct snd_soc_dai *dai)
634 {
635 	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtm, 0);
636 	struct catpt_ssp_device_format devfmt;
637 	struct catpt_dev *cdev = dev_get_drvdata(dai->dev);
638 	int ret;
639 
640 	devfmt.iface = dai->driver->id;
641 	devfmt.channels = codec_dai->driver->capture.channels_max;
642 
643 	switch (devfmt.iface) {
644 	case CATPT_SSP_IFACE_0:
645 		devfmt.mclk = CATPT_MCLK_FREQ_24_MHZ;
646 
647 		switch (devfmt.channels) {
648 		case 4:
649 			devfmt.mode = CATPT_SSP_MODE_TDM_PROVIDER;
650 			devfmt.clock_divider = 4;
651 			break;
652 		case 2:
653 		default:
654 			devfmt.mode = CATPT_SSP_MODE_I2S_PROVIDER;
655 			devfmt.clock_divider = 9;
656 			break;
657 		}
658 		break;
659 
660 	case CATPT_SSP_IFACE_1:
661 		devfmt.mclk = CATPT_MCLK_OFF;
662 		devfmt.mode = CATPT_SSP_MODE_I2S_CONSUMER;
663 		devfmt.clock_divider = 0;
664 		break;
665 	}
666 
667 	/* see if this is a new configuration */
668 	if (!memcmp(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt)))
669 		return 0;
670 
671 	ret = pm_runtime_resume_and_get(cdev->dev);
672 	if (ret < 0 && ret != -EACCES)
673 		return ret;
674 
675 	ret = catpt_ipc_set_device_format(cdev, &devfmt);
676 
677 	pm_runtime_put_autosuspend(cdev->dev);
678 
679 	if (ret)
680 		return CATPT_IPC_ERROR(ret);
681 
682 	/* store device format set for given SSP */
683 	memcpy(&cdev->devfmt[devfmt.iface], &devfmt, sizeof(devfmt));
684 	return 0;
685 }
686 
687 static const struct snd_soc_dai_ops catpt_dai_ops = {
688 	.pcm_new = catpt_dai_pcm_new,
689 };
690 
691 static struct snd_soc_dai_driver dai_drivers[] = {
692 /* FE DAIs */
693 {
694 	.name  = "System Pin",
695 	.id = CATPT_STRM_TYPE_SYSTEM,
696 	.ops = &catpt_fe_dai_ops,
697 	.playback = {
698 		.stream_name = "System Playback",
699 		.channels_min = 2,
700 		.channels_max = 2,
701 		.rates = SNDRV_PCM_RATE_48000,
702 		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
703 		.subformats = SNDRV_PCM_SUBFMTBIT_MSBITS_24 |
704 			      SNDRV_PCM_SUBFMTBIT_MSBITS_MAX,
705 	},
706 	.capture = {
707 		.stream_name = "Analog Capture",
708 		.channels_min = 2,
709 		.channels_max = 4,
710 		.rates = SNDRV_PCM_RATE_48000,
711 		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
712 		.subformats = SNDRV_PCM_SUBFMTBIT_MSBITS_24 |
713 			      SNDRV_PCM_SUBFMTBIT_MSBITS_MAX,
714 	},
715 },
716 {
717 	.name  = "Offload0 Pin",
718 	.id = CATPT_STRM_TYPE_RENDER,
719 	.ops = &catpt_fe_dai_ops,
720 	.playback = {
721 		.stream_name = "Offload0 Playback",
722 		.channels_min = 2,
723 		.channels_max = 2,
724 		.rates = SNDRV_PCM_RATE_8000_192000,
725 		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
726 		.subformats = SNDRV_PCM_SUBFMTBIT_MSBITS_24 |
727 			      SNDRV_PCM_SUBFMTBIT_MSBITS_MAX,
728 	},
729 },
730 {
731 	.name  = "Offload1 Pin",
732 	.id = CATPT_STRM_TYPE_RENDER,
733 	.ops = &catpt_fe_dai_ops,
734 	.playback = {
735 		.stream_name = "Offload1 Playback",
736 		.channels_min = 2,
737 		.channels_max = 2,
738 		.rates = SNDRV_PCM_RATE_8000_192000,
739 		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
740 		.subformats = SNDRV_PCM_SUBFMTBIT_MSBITS_24 |
741 			      SNDRV_PCM_SUBFMTBIT_MSBITS_MAX,
742 	},
743 },
744 {
745 	.name  = "Loopback Pin",
746 	.id = CATPT_STRM_TYPE_LOOPBACK,
747 	.ops = &catpt_fe_dai_ops,
748 	.capture = {
749 		.stream_name = "Loopback Capture",
750 		.channels_min = 2,
751 		.channels_max = 2,
752 		.rates = SNDRV_PCM_RATE_48000,
753 		.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
754 		.subformats = SNDRV_PCM_SUBFMTBIT_MSBITS_24 |
755 			      SNDRV_PCM_SUBFMTBIT_MSBITS_MAX,
756 	},
757 },
758 {
759 	.name  = "Bluetooth Pin",
760 	.id = CATPT_STRM_TYPE_BLUETOOTH_RENDER,
761 	.ops = &catpt_fe_dai_ops,
762 	.playback = {
763 		.stream_name = "Bluetooth Playback",
764 		.channels_min = 1,
765 		.channels_max = 1,
766 		.rates = SNDRV_PCM_RATE_8000,
767 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
768 	},
769 	.capture = {
770 		.stream_name = "Bluetooth Capture",
771 		.channels_min = 1,
772 		.channels_max = 1,
773 		.rates = SNDRV_PCM_RATE_8000,
774 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
775 	},
776 },
777 /* BE DAIs */
778 {
779 	.name = "ssp0-port",
780 	.id = CATPT_SSP_IFACE_0,
781 	.playback = {
782 		.channels_min = 1,
783 		.channels_max = 8,
784 	},
785 	.capture = {
786 		.channels_min = 1,
787 		.channels_max = 8,
788 	},
789 	.ops = &catpt_dai_ops,
790 },
791 {
792 	.name = "ssp1-port",
793 	.id = CATPT_SSP_IFACE_1,
794 	.playback = {
795 		.channels_min = 1,
796 		.channels_max = 8,
797 	},
798 	.capture = {
799 		.channels_min = 1,
800 		.channels_max = 8,
801 	},
802 	.ops = &catpt_dai_ops,
803 },
804 };
805 
806 #define DSP_VOLUME_MAX		S32_MAX /* 0db */
807 #define DSP_VOLUME_STEP_MAX	30
808 
809 static u32 ctlvol_to_dspvol(u32 value)
810 {
811 	if (value > DSP_VOLUME_STEP_MAX)
812 		value = 0;
813 	return DSP_VOLUME_MAX >> (DSP_VOLUME_STEP_MAX - value);
814 }
815 
816 static u32 dspvol_to_ctlvol(u32 volume)
817 {
818 	if (volume > DSP_VOLUME_MAX)
819 		return DSP_VOLUME_STEP_MAX;
820 	return volume ? __fls(volume) : 0;
821 }
822 
823 static int catpt_set_dspvol(struct catpt_dev *cdev, u8 stream_id, long *ctlvol)
824 {
825 	u32 dspvol;
826 	int ret, i;
827 
828 	for (i = 1; i < CATPT_CHANNELS_MAX; i++)
829 		if (ctlvol[i] != ctlvol[0])
830 			break;
831 
832 	if (i == CATPT_CHANNELS_MAX) {
833 		dspvol = ctlvol_to_dspvol(ctlvol[0]);
834 
835 		ret = catpt_ipc_set_volume(cdev, stream_id,
836 					   CATPT_ALL_CHANNELS_MASK, dspvol,
837 					   0, CATPT_AUDIO_CURVE_NONE);
838 	} else {
839 		for (i = 0; i < CATPT_CHANNELS_MAX; i++) {
840 			dspvol = ctlvol_to_dspvol(ctlvol[i]);
841 
842 			ret = catpt_ipc_set_volume(cdev, stream_id,
843 						   i, dspvol,
844 						   0, CATPT_AUDIO_CURVE_NONE);
845 			if (ret)
846 				break;
847 		}
848 	}
849 
850 	if (ret)
851 		return CATPT_IPC_ERROR(ret);
852 	return 0;
853 }
854 
855 static int catpt_volume_info(struct snd_kcontrol *kcontrol,
856 			     struct snd_ctl_elem_info *uinfo)
857 {
858 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
859 	uinfo->count = CATPT_CHANNELS_MAX;
860 	uinfo->value.integer.min = 0;
861 	uinfo->value.integer.max = DSP_VOLUME_STEP_MAX;
862 	return 0;
863 }
864 
865 static int catpt_mixer_volume_get(struct snd_kcontrol *kcontrol,
866 				  struct snd_ctl_elem_value *ucontrol)
867 {
868 	struct snd_soc_component *component =
869 		snd_soc_kcontrol_component(kcontrol);
870 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
871 	u32 dspvol;
872 	int ret;
873 	int i;
874 
875 	ret = pm_runtime_resume_and_get(cdev->dev);
876 	if (ret < 0 && ret != -EACCES)
877 		return ret;
878 
879 	for (i = 0; i < CATPT_CHANNELS_MAX; i++) {
880 		dspvol = catpt_mixer_volume(cdev, &cdev->mixer, i);
881 		ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol);
882 	}
883 
884 	pm_runtime_put_autosuspend(cdev->dev);
885 
886 	return 0;
887 }
888 
889 static int catpt_mixer_volume_put(struct snd_kcontrol *kcontrol,
890 				  struct snd_ctl_elem_value *ucontrol)
891 {
892 	struct snd_soc_component *component =
893 		snd_soc_kcontrol_component(kcontrol);
894 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
895 	int ret;
896 
897 	ret = pm_runtime_resume_and_get(cdev->dev);
898 	if (ret < 0 && ret != -EACCES)
899 		return ret;
900 
901 	ret = catpt_set_dspvol(cdev, cdev->mixer.mixer_hw_id,
902 			       ucontrol->value.integer.value);
903 
904 	pm_runtime_put_autosuspend(cdev->dev);
905 
906 	return ret;
907 }
908 
909 static int catpt_stream_volume_get(struct snd_kcontrol *kcontrol,
910 				   struct snd_ctl_elem_value *ucontrol,
911 				   enum catpt_pin_id pin_id)
912 {
913 	struct snd_soc_component *component =
914 		snd_soc_kcontrol_component(kcontrol);
915 	struct catpt_stream_runtime *stream;
916 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
917 	long *ctlvol = (long *)kcontrol->private_value;
918 	u32 dspvol;
919 	int ret;
920 	int i;
921 
922 	stream = catpt_stream_find(cdev, pin_id);
923 	if (!stream) {
924 		for (i = 0; i < CATPT_CHANNELS_MAX; i++)
925 			ucontrol->value.integer.value[i] = ctlvol[i];
926 		return 0;
927 	}
928 
929 	ret = pm_runtime_resume_and_get(cdev->dev);
930 	if (ret < 0 && ret != -EACCES)
931 		return ret;
932 
933 	for (i = 0; i < CATPT_CHANNELS_MAX; i++) {
934 		dspvol = catpt_stream_volume(cdev, stream, i);
935 		ucontrol->value.integer.value[i] = dspvol_to_ctlvol(dspvol);
936 	}
937 
938 	pm_runtime_put_autosuspend(cdev->dev);
939 
940 	return 0;
941 }
942 
943 static int catpt_stream_volume_put(struct snd_kcontrol *kcontrol,
944 				   struct snd_ctl_elem_value *ucontrol,
945 				   enum catpt_pin_id pin_id)
946 {
947 	struct snd_soc_component *component =
948 		snd_soc_kcontrol_component(kcontrol);
949 	struct catpt_stream_runtime *stream;
950 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
951 	long *ctlvol = (long *)kcontrol->private_value;
952 	int ret, i;
953 
954 	stream = catpt_stream_find(cdev, pin_id);
955 	if (!stream) {
956 		for (i = 0; i < CATPT_CHANNELS_MAX; i++)
957 			ctlvol[i] = ucontrol->value.integer.value[i];
958 		return 0;
959 	}
960 
961 	ret = pm_runtime_resume_and_get(cdev->dev);
962 	if (ret < 0 && ret != -EACCES)
963 		return ret;
964 
965 	ret = catpt_set_dspvol(cdev, stream->info.stream_hw_id,
966 			       ucontrol->value.integer.value);
967 
968 	pm_runtime_put_autosuspend(cdev->dev);
969 
970 	if (ret)
971 		return ret;
972 
973 	for (i = 0; i < CATPT_CHANNELS_MAX; i++)
974 		ctlvol[i] = ucontrol->value.integer.value[i];
975 	return 0;
976 }
977 
978 static int catpt_offload1_volume_get(struct snd_kcontrol *kctl,
979 				     struct snd_ctl_elem_value *uctl)
980 {
981 	return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD1);
982 }
983 
984 static int catpt_offload1_volume_put(struct snd_kcontrol *kctl,
985 				     struct snd_ctl_elem_value *uctl)
986 {
987 	return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD1);
988 }
989 
990 static int catpt_offload2_volume_get(struct snd_kcontrol *kctl,
991 				     struct snd_ctl_elem_value *uctl)
992 {
993 	return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_OFFLOAD2);
994 }
995 
996 static int catpt_offload2_volume_put(struct snd_kcontrol *kctl,
997 				     struct snd_ctl_elem_value *uctl)
998 {
999 	return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_OFFLOAD2);
1000 }
1001 
1002 static int catpt_capture_volume_get(struct snd_kcontrol *kctl,
1003 				    struct snd_ctl_elem_value *uctl)
1004 {
1005 	return catpt_stream_volume_get(kctl, uctl, CATPT_PIN_ID_CAPTURE1);
1006 }
1007 
1008 static int catpt_capture_volume_put(struct snd_kcontrol *kctl,
1009 				    struct snd_ctl_elem_value *uctl)
1010 {
1011 	return catpt_stream_volume_put(kctl, uctl, CATPT_PIN_ID_CAPTURE1);
1012 }
1013 
1014 static int catpt_loopback_switch_get(struct snd_kcontrol *kcontrol,
1015 				     struct snd_ctl_elem_value *ucontrol)
1016 {
1017 	ucontrol->value.integer.value[0] = *(bool *)kcontrol->private_value;
1018 	return 0;
1019 }
1020 
1021 static int catpt_loopback_switch_put(struct snd_kcontrol *kcontrol,
1022 				     struct snd_ctl_elem_value *ucontrol)
1023 {
1024 	struct snd_soc_component *component =
1025 		snd_soc_kcontrol_component(kcontrol);
1026 	struct catpt_stream_runtime *stream;
1027 	struct catpt_dev *cdev = dev_get_drvdata(component->dev);
1028 	bool mute;
1029 	int ret;
1030 
1031 	mute = (bool)ucontrol->value.integer.value[0];
1032 	stream = catpt_stream_find(cdev, CATPT_PIN_ID_REFERENCE);
1033 	if (!stream) {
1034 		*(bool *)kcontrol->private_value = mute;
1035 		return 0;
1036 	}
1037 
1038 	ret = pm_runtime_resume_and_get(cdev->dev);
1039 	if (ret < 0 && ret != -EACCES)
1040 		return ret;
1041 
1042 	ret = catpt_ipc_mute_loopback(cdev, stream->info.stream_hw_id, mute);
1043 
1044 	pm_runtime_put_autosuspend(cdev->dev);
1045 
1046 	if (ret)
1047 		return CATPT_IPC_ERROR(ret);
1048 
1049 	*(bool *)kcontrol->private_value = mute;
1050 	return 0;
1051 }
1052 
1053 static int catpt_waves_switch_get(struct snd_kcontrol *kcontrol,
1054 				  struct snd_ctl_elem_value *ucontrol)
1055 {
1056 	return 0;
1057 }
1058 
1059 static int catpt_waves_switch_put(struct snd_kcontrol *kcontrol,
1060 				  struct snd_ctl_elem_value *ucontrol)
1061 {
1062 	return 0;
1063 }
1064 
1065 static int catpt_waves_param_get(struct snd_kcontrol *kcontrol,
1066 				 unsigned int __user *bytes,
1067 				 unsigned int size)
1068 {
1069 	return 0;
1070 }
1071 
1072 static int catpt_waves_param_put(struct snd_kcontrol *kcontrol,
1073 				 const unsigned int __user *bytes,
1074 				 unsigned int size)
1075 {
1076 	return 0;
1077 }
1078 
1079 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(catpt_volume_tlv, -9000, 300, 1);
1080 
1081 #define CATPT_VOLUME_CTL(kname, sname) \
1082 {	.iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1083 	.name = (kname), \
1084 	.access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | \
1085 		  SNDRV_CTL_ELEM_ACCESS_READWRITE, \
1086 	.info = catpt_volume_info, \
1087 	.get = catpt_##sname##_volume_get, \
1088 	.put = catpt_##sname##_volume_put, \
1089 	.tlv.p = catpt_volume_tlv, \
1090 	.private_value = (unsigned long) \
1091 		&(long[CATPT_CHANNELS_MAX]) {0} }
1092 
1093 static const struct snd_kcontrol_new component_kcontrols[] = {
1094 /* Master volume (mixer stream) */
1095 CATPT_VOLUME_CTL("Master Playback Volume", mixer),
1096 /* Individual volume controls for offload and capture */
1097 CATPT_VOLUME_CTL("Media0 Playback Volume", offload1),
1098 CATPT_VOLUME_CTL("Media1 Playback Volume", offload2),
1099 CATPT_VOLUME_CTL("Mic Capture Volume", capture),
1100 SOC_SINGLE_BOOL_EXT("Loopback Mute", (unsigned long)&(bool[1]) {0},
1101 		    catpt_loopback_switch_get, catpt_loopback_switch_put),
1102 /* Enable or disable WAVES module */
1103 SOC_SINGLE_BOOL_EXT("Waves Switch", 0,
1104 		    catpt_waves_switch_get, catpt_waves_switch_put),
1105 /* WAVES module parameter control */
1106 SND_SOC_BYTES_TLV("Waves Set Param", 128,
1107 		  catpt_waves_param_get, catpt_waves_param_put),
1108 };
1109 
1110 static const struct snd_soc_dapm_widget component_widgets[] = {
1111 	SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0),
1112 	SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0),
1113 	SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0),
1114 	SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0),
1115 
1116 	SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0),
1117 };
1118 
1119 static const struct snd_soc_dapm_route component_routes[] = {
1120 	{"Playback VMixer", NULL, "System Playback"},
1121 	{"Playback VMixer", NULL, "Offload0 Playback"},
1122 	{"Playback VMixer", NULL, "Offload1 Playback"},
1123 
1124 	{"SSP0 CODEC OUT", NULL, "Playback VMixer"},
1125 
1126 	{"Analog Capture", NULL, "SSP0 CODEC IN"},
1127 	{"Loopback Capture", NULL, "SSP0 CODEC IN"},
1128 
1129 	{"SSP1 BT OUT", NULL, "Bluetooth Playback"},
1130 	{"Bluetooth Capture", NULL, "SSP1 BT IN"},
1131 };
1132 
1133 static const struct snd_soc_component_driver catpt_comp_driver = {
1134 	.name = "catpt-platform",
1135 
1136 	.pcm_construct = catpt_component_pcm_construct,
1137 	.open = catpt_component_open,
1138 	.pointer = catpt_component_pointer,
1139 
1140 	.controls = component_kcontrols,
1141 	.num_controls = ARRAY_SIZE(component_kcontrols),
1142 	.dapm_widgets = component_widgets,
1143 	.num_dapm_widgets = ARRAY_SIZE(component_widgets),
1144 	.dapm_routes = component_routes,
1145 	.num_dapm_routes = ARRAY_SIZE(component_routes),
1146 };
1147 
1148 int catpt_arm_stream_templates(struct catpt_dev *cdev)
1149 {
1150 	struct resource *res;
1151 	u32 scratch_size = 0;
1152 	int i, j;
1153 
1154 	for (i = 0; i < ARRAY_SIZE(catpt_topology); i++) {
1155 		struct catpt_stream_template *template;
1156 		struct catpt_module_entry *entry;
1157 		struct catpt_module_type *type;
1158 
1159 		template = catpt_topology[i];
1160 		template->persistent_size = 0;
1161 
1162 		for (j = 0; j < template->num_entries; j++) {
1163 			entry = &template->entries[j];
1164 			type = &cdev->modules[entry->module_id];
1165 
1166 			if (!type->loaded)
1167 				return -ENOENT;
1168 
1169 			entry->entry_point = type->entry_point;
1170 			template->persistent_size += type->persistent_size;
1171 			if (type->scratch_size > scratch_size)
1172 				scratch_size = type->scratch_size;
1173 		}
1174 	}
1175 
1176 	if (scratch_size) {
1177 		/* allocate single scratch area for all modules */
1178 		res = catpt_request_region(&cdev->dram, scratch_size);
1179 		if (!res)
1180 			return -EBUSY;
1181 		cdev->scratch = res;
1182 	}
1183 
1184 	return 0;
1185 }
1186 
1187 int catpt_register_plat_component(struct catpt_dev *cdev)
1188 {
1189 	struct snd_soc_component *component;
1190 	int ret;
1191 
1192 	component = devm_kzalloc(cdev->dev, sizeof(*component), GFP_KERNEL);
1193 	if (!component)
1194 		return -ENOMEM;
1195 
1196 	ret = snd_soc_component_initialize(component, &catpt_comp_driver,
1197 					   cdev->dev);
1198 	if (ret)
1199 		return ret;
1200 
1201 	component->name = catpt_comp_driver.name;
1202 	return snd_soc_add_component(component, dai_drivers,
1203 				     ARRAY_SIZE(dai_drivers));
1204 }
1205