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) 2021 Intel Corporation. All rights reserved.
7 //
8 //
9
10 #include "sof-priv.h"
11 #include "sof-audio.h"
12 #include "ipc3-priv.h"
13
14 /* IPC set()/get() for kcontrols. */
sof_ipc3_set_get_kcontrol_data(struct snd_sof_control * scontrol,bool set)15 static int sof_ipc3_set_get_kcontrol_data(struct snd_sof_control *scontrol, bool set)
16 {
17 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scontrol->scomp);
18 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
19 const struct sof_ipc_ops *iops = sdev->ipc->ops;
20 enum sof_ipc_ctrl_type ctrl_type;
21 struct snd_sof_widget *swidget;
22 bool widget_found = false;
23 u32 ipc_cmd, msg_bytes;
24
25 list_for_each_entry(swidget, &sdev->widget_list, list) {
26 if (swidget->comp_id == scontrol->comp_id) {
27 widget_found = true;
28 break;
29 }
30 }
31
32 if (!widget_found) {
33 dev_err(sdev->dev, "%s: can't find widget with id %d\n", __func__,
34 scontrol->comp_id);
35 return -EINVAL;
36 }
37
38 /*
39 * Volatile controls should always be part of static pipelines and the widget use_count
40 * would always be > 0 in this case. For the others, just return the cached value if the
41 * widget is not set up.
42 */
43 if (!swidget->use_count)
44 return 0;
45
46 /*
47 * Select the IPC cmd and the ctrl_type based on the ctrl_cmd and the
48 * direction
49 * Note: SOF_CTRL_TYPE_VALUE_COMP_* is not used and supported currently
50 * for ctrl_type
51 */
52 if (cdata->cmd == SOF_CTRL_CMD_BINARY) {
53 ipc_cmd = set ? SOF_IPC_COMP_SET_DATA : SOF_IPC_COMP_GET_DATA;
54 ctrl_type = set ? SOF_CTRL_TYPE_DATA_SET : SOF_CTRL_TYPE_DATA_GET;
55 } else {
56 ipc_cmd = set ? SOF_IPC_COMP_SET_VALUE : SOF_IPC_COMP_GET_VALUE;
57 ctrl_type = set ? SOF_CTRL_TYPE_VALUE_CHAN_SET : SOF_CTRL_TYPE_VALUE_CHAN_GET;
58 }
59
60 cdata->rhdr.hdr.cmd = SOF_IPC_GLB_COMP_MSG | ipc_cmd;
61 cdata->type = ctrl_type;
62 cdata->comp_id = scontrol->comp_id;
63 cdata->msg_index = 0;
64
65 /* calculate header and data size */
66 switch (cdata->type) {
67 case SOF_CTRL_TYPE_VALUE_CHAN_GET:
68 case SOF_CTRL_TYPE_VALUE_CHAN_SET:
69 cdata->num_elems = scontrol->num_channels;
70
71 msg_bytes = scontrol->num_channels *
72 sizeof(struct sof_ipc_ctrl_value_chan);
73 msg_bytes += sizeof(struct sof_ipc_ctrl_data);
74 break;
75 case SOF_CTRL_TYPE_DATA_GET:
76 case SOF_CTRL_TYPE_DATA_SET:
77 cdata->num_elems = cdata->data->size;
78
79 msg_bytes = cdata->data->size;
80 msg_bytes += sizeof(struct sof_ipc_ctrl_data) +
81 sizeof(struct sof_abi_hdr);
82 break;
83 default:
84 return -EINVAL;
85 }
86
87 cdata->rhdr.hdr.size = msg_bytes;
88 cdata->elems_remaining = 0;
89
90 return iops->set_get_data(sdev, cdata, cdata->rhdr.hdr.size, set);
91 }
92
snd_sof_refresh_control(struct snd_sof_control * scontrol)93 static void snd_sof_refresh_control(struct snd_sof_control *scontrol)
94 {
95 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
96 struct snd_soc_component *scomp = scontrol->scomp;
97 int ret;
98
99 if (!scontrol->comp_data_dirty)
100 return;
101
102 if (!pm_runtime_active(scomp->dev))
103 return;
104
105 /* set the ABI header values */
106 cdata->data->magic = SOF_ABI_MAGIC;
107 cdata->data->abi = SOF_ABI_VERSION;
108
109 /* refresh the component data from DSP */
110 scontrol->comp_data_dirty = false;
111 ret = sof_ipc3_set_get_kcontrol_data(scontrol, false);
112 if (ret < 0) {
113 dev_err(scomp->dev, "Failed to get control data: %d\n", ret);
114
115 /* Set the flag to re-try next time to get the data */
116 scontrol->comp_data_dirty = true;
117 }
118 }
119
sof_ipc3_volume_get(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)120 static int sof_ipc3_volume_get(struct snd_sof_control *scontrol,
121 struct snd_ctl_elem_value *ucontrol)
122 {
123 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
124 unsigned int channels = scontrol->num_channels;
125 unsigned int i;
126
127 snd_sof_refresh_control(scontrol);
128
129 /* read back each channel */
130 for (i = 0; i < channels; i++)
131 ucontrol->value.integer.value[i] = ipc_to_mixer(cdata->chanv[i].value,
132 scontrol->volume_table,
133 scontrol->max + 1);
134
135 return 0;
136 }
137
sof_ipc3_volume_put(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)138 static bool sof_ipc3_volume_put(struct snd_sof_control *scontrol,
139 struct snd_ctl_elem_value *ucontrol)
140 {
141 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
142 struct snd_soc_component *scomp = scontrol->scomp;
143 unsigned int channels = scontrol->num_channels;
144 unsigned int i;
145 bool change = false;
146
147 /* update each channel */
148 for (i = 0; i < channels; i++) {
149 u32 value = mixer_to_ipc(ucontrol->value.integer.value[i],
150 scontrol->volume_table, scontrol->max + 1);
151
152 change = change || (value != cdata->chanv[i].value);
153 cdata->chanv[i].channel = i;
154 cdata->chanv[i].value = value;
155 }
156
157 /* notify DSP of mixer updates */
158 if (pm_runtime_active(scomp->dev)) {
159 int ret = sof_ipc3_set_get_kcontrol_data(scontrol, true);
160
161 if (ret < 0) {
162 dev_err(scomp->dev, "Failed to set mixer updates for %s\n",
163 scontrol->name);
164 return false;
165 }
166 }
167
168 return change;
169 }
170
sof_ipc3_switch_get(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)171 static int sof_ipc3_switch_get(struct snd_sof_control *scontrol,
172 struct snd_ctl_elem_value *ucontrol)
173 {
174 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
175 unsigned int channels = scontrol->num_channels;
176 unsigned int i;
177
178 snd_sof_refresh_control(scontrol);
179
180 /* read back each channel */
181 for (i = 0; i < channels; i++)
182 ucontrol->value.integer.value[i] = cdata->chanv[i].value;
183
184 return 0;
185 }
186
sof_ipc3_switch_put(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)187 static bool sof_ipc3_switch_put(struct snd_sof_control *scontrol,
188 struct snd_ctl_elem_value *ucontrol)
189 {
190 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
191 struct snd_soc_component *scomp = scontrol->scomp;
192 unsigned int channels = scontrol->num_channels;
193 unsigned int i;
194 bool change = false;
195 u32 value;
196
197 /* update each channel */
198 for (i = 0; i < channels; i++) {
199 value = ucontrol->value.integer.value[i];
200 change = change || (value != cdata->chanv[i].value);
201 cdata->chanv[i].channel = i;
202 cdata->chanv[i].value = value;
203 }
204
205 /* notify DSP of mixer updates */
206 if (pm_runtime_active(scomp->dev)) {
207 int ret = sof_ipc3_set_get_kcontrol_data(scontrol, true);
208
209 if (ret < 0) {
210 dev_err(scomp->dev, "Failed to set mixer updates for %s\n",
211 scontrol->name);
212 return false;
213 }
214 }
215
216 return change;
217 }
218
sof_ipc3_enum_get(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)219 static int sof_ipc3_enum_get(struct snd_sof_control *scontrol,
220 struct snd_ctl_elem_value *ucontrol)
221 {
222 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
223 unsigned int channels = scontrol->num_channels;
224 unsigned int i;
225
226 snd_sof_refresh_control(scontrol);
227
228 /* read back each channel */
229 for (i = 0; i < channels; i++)
230 ucontrol->value.enumerated.item[i] = cdata->chanv[i].value;
231
232 return 0;
233 }
234
sof_ipc3_enum_put(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)235 static bool sof_ipc3_enum_put(struct snd_sof_control *scontrol,
236 struct snd_ctl_elem_value *ucontrol)
237 {
238 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
239 struct snd_soc_component *scomp = scontrol->scomp;
240 unsigned int channels = scontrol->num_channels;
241 unsigned int i;
242 bool change = false;
243 u32 value;
244
245 /* update each channel */
246 for (i = 0; i < channels; i++) {
247 value = ucontrol->value.enumerated.item[i];
248 change = change || (value != cdata->chanv[i].value);
249 cdata->chanv[i].channel = i;
250 cdata->chanv[i].value = value;
251 }
252
253 /* notify DSP of enum updates */
254 if (pm_runtime_active(scomp->dev)) {
255 int ret = sof_ipc3_set_get_kcontrol_data(scontrol, true);
256
257 if (ret < 0) {
258 dev_err(scomp->dev, "Failed to set enum updates for %s\n",
259 scontrol->name);
260 return false;
261 }
262 }
263
264 return change;
265 }
266
sof_ipc3_bytes_get(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)267 static int sof_ipc3_bytes_get(struct snd_sof_control *scontrol,
268 struct snd_ctl_elem_value *ucontrol)
269 {
270 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
271 struct snd_soc_component *scomp = scontrol->scomp;
272 struct sof_abi_hdr *data = cdata->data;
273 size_t size;
274
275 snd_sof_refresh_control(scontrol);
276
277 if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) {
278 dev_err_ratelimited(scomp->dev, "data max %zu exceeds ucontrol data array size\n",
279 scontrol->max_size);
280 return -EINVAL;
281 }
282
283 /* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */
284 if (data->size > scontrol->max_size - sizeof(*data)) {
285 dev_err_ratelimited(scomp->dev,
286 "%u bytes of control data is invalid, max is %zu\n",
287 data->size, scontrol->max_size - sizeof(*data));
288 return -EINVAL;
289 }
290
291 size = data->size + sizeof(*data);
292
293 /* copy back to kcontrol */
294 memcpy(ucontrol->value.bytes.data, data, size);
295
296 return 0;
297 }
298
sof_ipc3_bytes_put(struct snd_sof_control * scontrol,struct snd_ctl_elem_value * ucontrol)299 static int sof_ipc3_bytes_put(struct snd_sof_control *scontrol,
300 struct snd_ctl_elem_value *ucontrol)
301 {
302 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
303 struct snd_soc_component *scomp = scontrol->scomp;
304 struct sof_abi_hdr *data = cdata->data;
305 size_t size;
306
307 if (scontrol->max_size > sizeof(ucontrol->value.bytes.data)) {
308 dev_err_ratelimited(scomp->dev, "data max %zu exceeds ucontrol data array size\n",
309 scontrol->max_size);
310 return -EINVAL;
311 }
312
313 /* scontrol->max_size has been verified to be >= sizeof(struct sof_abi_hdr) */
314 if (data->size > scontrol->max_size - sizeof(*data)) {
315 dev_err_ratelimited(scomp->dev, "data size too big %u bytes max is %zu\n",
316 data->size, scontrol->max_size - sizeof(*data));
317 return -EINVAL;
318 }
319
320 size = data->size + sizeof(*data);
321
322 /* copy from kcontrol */
323 memcpy(data, ucontrol->value.bytes.data, size);
324
325 /* notify DSP of byte control updates */
326 if (pm_runtime_active(scomp->dev))
327 return sof_ipc3_set_get_kcontrol_data(scontrol, true);
328
329 return 0;
330 }
331
sof_ipc3_bytes_ext_get(struct snd_sof_control * scontrol,const unsigned int __user * binary_data,unsigned int size)332 static int sof_ipc3_bytes_ext_get(struct snd_sof_control *scontrol,
333 const unsigned int __user *binary_data, unsigned int size)
334 {
335 struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data;
336 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
337 struct snd_soc_component *scomp = scontrol->scomp;
338 struct snd_ctl_tlv header;
339 size_t data_size;
340
341 snd_sof_refresh_control(scontrol);
342
343 /*
344 * Decrement the limit by ext bytes header size to
345 * ensure the user space buffer is not exceeded.
346 */
347 if (size < sizeof(struct snd_ctl_tlv))
348 return -ENOSPC;
349
350 size -= sizeof(struct snd_ctl_tlv);
351
352 /* set the ABI header values */
353 cdata->data->magic = SOF_ABI_MAGIC;
354 cdata->data->abi = SOF_ABI_VERSION;
355
356 /* check data size doesn't exceed max coming from topology */
357 if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) {
358 dev_err_ratelimited(scomp->dev, "User data size %d exceeds max size %zu\n",
359 cdata->data->size,
360 scontrol->max_size - sizeof(struct sof_abi_hdr));
361 return -EINVAL;
362 }
363
364 data_size = cdata->data->size + sizeof(struct sof_abi_hdr);
365
366 /* make sure we don't exceed size provided by user space for data */
367 if (data_size > size)
368 return -ENOSPC;
369
370 header.numid = cdata->cmd;
371 header.length = data_size;
372 if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
373 return -EFAULT;
374
375 if (copy_to_user(tlvd->tlv, cdata->data, data_size))
376 return -EFAULT;
377
378 return 0;
379 }
380
sof_ipc3_bytes_ext_put(struct snd_sof_control * scontrol,const unsigned int __user * binary_data,unsigned int size)381 static int sof_ipc3_bytes_ext_put(struct snd_sof_control *scontrol,
382 const unsigned int __user *binary_data,
383 unsigned int size)
384 {
385 const struct snd_ctl_tlv __user *tlvd = (const struct snd_ctl_tlv __user *)binary_data;
386 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
387 struct snd_soc_component *scomp = scontrol->scomp;
388 struct snd_ctl_tlv header;
389
390 /*
391 * The beginning of bytes data contains a header from where
392 * the length (as bytes) is needed to know the correct copy
393 * length of data from tlvd->tlv.
394 */
395 if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv)))
396 return -EFAULT;
397
398 /* make sure TLV info is consistent */
399 if (header.length + sizeof(struct snd_ctl_tlv) > size) {
400 dev_err_ratelimited(scomp->dev, "Inconsistent TLV, data %d + header %zu > %d\n",
401 header.length, sizeof(struct snd_ctl_tlv), size);
402 return -EINVAL;
403 }
404
405 /* be->max is coming from topology */
406 if (header.length > scontrol->max_size) {
407 dev_err_ratelimited(scomp->dev, "Bytes data size %d exceeds max %zu\n",
408 header.length, scontrol->max_size);
409 return -EINVAL;
410 }
411
412 /* Check that header id matches the command */
413 if (header.numid != cdata->cmd) {
414 dev_err_ratelimited(scomp->dev, "Incorrect command for bytes put %d\n",
415 header.numid);
416 return -EINVAL;
417 }
418
419 if (copy_from_user(cdata->data, tlvd->tlv, header.length))
420 return -EFAULT;
421
422 if (cdata->data->magic != SOF_ABI_MAGIC) {
423 dev_err_ratelimited(scomp->dev, "Wrong ABI magic 0x%08x\n", cdata->data->magic);
424 return -EINVAL;
425 }
426
427 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, cdata->data->abi)) {
428 dev_err_ratelimited(scomp->dev, "Incompatible ABI version 0x%08x\n",
429 cdata->data->abi);
430 return -EINVAL;
431 }
432
433 /* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */
434 if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) {
435 dev_err_ratelimited(scomp->dev, "Mismatch in ABI data size (truncated?)\n");
436 return -EINVAL;
437 }
438
439 /* notify DSP of byte control updates */
440 if (pm_runtime_active(scomp->dev))
441 return sof_ipc3_set_get_kcontrol_data(scontrol, true);
442
443 return 0;
444 }
445
sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control * scontrol,const unsigned int __user * binary_data,unsigned int size)446 static int sof_ipc3_bytes_ext_volatile_get(struct snd_sof_control *scontrol,
447 const unsigned int __user *binary_data,
448 unsigned int size)
449 {
450 struct snd_ctl_tlv __user *tlvd = (struct snd_ctl_tlv __user *)binary_data;
451 struct sof_ipc_ctrl_data *cdata = scontrol->ipc_control_data;
452 struct snd_soc_component *scomp = scontrol->scomp;
453 struct snd_ctl_tlv header;
454 size_t data_size;
455 int ret;
456
457 /*
458 * Decrement the limit by ext bytes header size to
459 * ensure the user space buffer is not exceeded.
460 */
461 if (size < sizeof(struct snd_ctl_tlv))
462 return -ENOSPC;
463
464 size -= sizeof(struct snd_ctl_tlv);
465
466 /* set the ABI header values */
467 cdata->data->magic = SOF_ABI_MAGIC;
468 cdata->data->abi = SOF_ABI_VERSION;
469
470 /* get all the component data from DSP */
471 ret = sof_ipc3_set_get_kcontrol_data(scontrol, false);
472 if (ret < 0)
473 return ret;
474
475 /* check data size doesn't exceed max coming from topology */
476 if (cdata->data->size > scontrol->max_size - sizeof(struct sof_abi_hdr)) {
477 dev_err_ratelimited(scomp->dev, "User data size %d exceeds max size %zu\n",
478 cdata->data->size,
479 scontrol->max_size - sizeof(struct sof_abi_hdr));
480 return -EINVAL;
481 }
482
483 data_size = cdata->data->size + sizeof(struct sof_abi_hdr);
484
485 /* make sure we don't exceed size provided by user space for data */
486 if (data_size > size)
487 return -ENOSPC;
488
489 header.numid = cdata->cmd;
490 header.length = data_size;
491 if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
492 return -EFAULT;
493
494 if (copy_to_user(tlvd->tlv, cdata->data, data_size))
495 return -EFAULT;
496
497 return ret;
498 }
499
snd_sof_update_control(struct snd_sof_control * scontrol,struct sof_ipc_ctrl_data * cdata)500 static void snd_sof_update_control(struct snd_sof_control *scontrol,
501 struct sof_ipc_ctrl_data *cdata)
502 {
503 struct snd_soc_component *scomp = scontrol->scomp;
504 struct sof_ipc_ctrl_data *local_cdata;
505 int i;
506
507 local_cdata = scontrol->ipc_control_data;
508
509 if (cdata->cmd == SOF_CTRL_CMD_BINARY) {
510 if (cdata->num_elems != local_cdata->data->size) {
511 dev_err(scomp->dev, "cdata binary size mismatch %u - %u\n",
512 cdata->num_elems, local_cdata->data->size);
513 return;
514 }
515
516 /* copy the new binary data */
517 memcpy(local_cdata->data, cdata->data, cdata->num_elems);
518 } else if (cdata->num_elems != scontrol->num_channels) {
519 dev_err(scomp->dev, "cdata channel count mismatch %u - %d\n",
520 cdata->num_elems, scontrol->num_channels);
521 } else {
522 /* copy the new values */
523 for (i = 0; i < cdata->num_elems; i++)
524 local_cdata->chanv[i].value = cdata->chanv[i].value;
525 }
526 }
527
sof_ipc3_control_update(struct snd_sof_dev * sdev,void * ipc_control_message)528 static void sof_ipc3_control_update(struct snd_sof_dev *sdev, void *ipc_control_message)
529 {
530 struct sof_ipc_ctrl_data *cdata = ipc_control_message;
531 struct snd_soc_dapm_widget *widget;
532 struct snd_sof_control *scontrol;
533 struct snd_sof_widget *swidget;
534 struct snd_kcontrol *kc = NULL;
535 struct soc_mixer_control *sm;
536 struct soc_bytes_ext *be;
537 size_t expected_size;
538 struct soc_enum *se;
539 bool found = false;
540 int i, type;
541
542 if (cdata->type == SOF_CTRL_TYPE_VALUE_COMP_GET ||
543 cdata->type == SOF_CTRL_TYPE_VALUE_COMP_SET) {
544 dev_err(sdev->dev, "Component data is not supported in control notification\n");
545 return;
546 }
547
548 /* Find the swidget first */
549 list_for_each_entry(swidget, &sdev->widget_list, list) {
550 if (swidget->comp_id == cdata->comp_id) {
551 found = true;
552 break;
553 }
554 }
555
556 if (!found)
557 return;
558
559 /* Translate SOF cmd to TPLG type */
560 switch (cdata->cmd) {
561 case SOF_CTRL_CMD_VOLUME:
562 case SOF_CTRL_CMD_SWITCH:
563 type = SND_SOC_TPLG_TYPE_MIXER;
564 break;
565 case SOF_CTRL_CMD_BINARY:
566 type = SND_SOC_TPLG_TYPE_BYTES;
567 break;
568 case SOF_CTRL_CMD_ENUM:
569 type = SND_SOC_TPLG_TYPE_ENUM;
570 break;
571 default:
572 dev_err(sdev->dev, "Unknown cmd %u in %s\n", cdata->cmd, __func__);
573 return;
574 }
575
576 widget = swidget->widget;
577 for (i = 0; i < widget->num_kcontrols; i++) {
578 /* skip non matching types or non matching indexes within type */
579 if (widget->dobj.widget.kcontrol_type[i] == type &&
580 widget->kcontrol_news[i].index == cdata->index) {
581 kc = widget->kcontrols[i];
582 break;
583 }
584 }
585
586 if (!kc)
587 return;
588
589 switch (cdata->cmd) {
590 case SOF_CTRL_CMD_VOLUME:
591 case SOF_CTRL_CMD_SWITCH:
592 sm = (struct soc_mixer_control *)kc->private_value;
593 scontrol = sm->dobj.private;
594 break;
595 case SOF_CTRL_CMD_BINARY:
596 be = (struct soc_bytes_ext *)kc->private_value;
597 scontrol = be->dobj.private;
598 break;
599 case SOF_CTRL_CMD_ENUM:
600 se = (struct soc_enum *)kc->private_value;
601 scontrol = se->dobj.private;
602 break;
603 default:
604 return;
605 }
606
607 expected_size = sizeof(struct sof_ipc_ctrl_data);
608 switch (cdata->type) {
609 case SOF_CTRL_TYPE_VALUE_CHAN_GET:
610 case SOF_CTRL_TYPE_VALUE_CHAN_SET:
611 expected_size += cdata->num_elems *
612 sizeof(struct sof_ipc_ctrl_value_chan);
613 break;
614 case SOF_CTRL_TYPE_DATA_GET:
615 case SOF_CTRL_TYPE_DATA_SET:
616 expected_size += cdata->num_elems + sizeof(struct sof_abi_hdr);
617 break;
618 default:
619 return;
620 }
621
622 if (cdata->rhdr.hdr.size != expected_size) {
623 dev_err(sdev->dev, "Component notification size mismatch\n");
624 return;
625 }
626
627 if (cdata->num_elems)
628 /*
629 * The message includes the updated value/data, update the
630 * control's local cache using the received notification
631 */
632 snd_sof_update_control(scontrol, cdata);
633 else
634 /* Mark the scontrol that the value/data is changed in SOF */
635 scontrol->comp_data_dirty = true;
636
637 snd_ctl_notify_one(swidget->scomp->card->snd_card, SNDRV_CTL_EVENT_MASK_VALUE, kc, 0);
638 }
639
sof_ipc3_widget_kcontrol_setup(struct snd_sof_dev * sdev,struct snd_sof_widget * swidget)640 static int sof_ipc3_widget_kcontrol_setup(struct snd_sof_dev *sdev,
641 struct snd_sof_widget *swidget)
642 {
643 struct snd_sof_control *scontrol;
644 int ret;
645
646 /* set up all controls for the widget */
647 list_for_each_entry(scontrol, &sdev->kcontrol_list, list)
648 if (scontrol->comp_id == swidget->comp_id) {
649 /* set kcontrol data in DSP */
650 ret = sof_ipc3_set_get_kcontrol_data(scontrol, true);
651 if (ret < 0) {
652 dev_err(sdev->dev,
653 "kcontrol %d set up failed for widget %s\n",
654 scontrol->comp_id, swidget->widget->name);
655 return ret;
656 }
657
658 /*
659 * Read back the data from the DSP for static widgets.
660 * This is particularly useful for binary kcontrols
661 * associated with static pipeline widgets to initialize
662 * the data size to match that in the DSP.
663 */
664 if (swidget->dynamic_pipeline_widget)
665 continue;
666
667 ret = sof_ipc3_set_get_kcontrol_data(scontrol, false);
668 if (ret < 0)
669 dev_warn(sdev->dev,
670 "kcontrol %d read failed for widget %s\n",
671 scontrol->comp_id, swidget->widget->name);
672 }
673
674 return 0;
675 }
676
677 static int
sof_ipc3_set_up_volume_table(struct snd_sof_control * scontrol,int tlv[SOF_TLV_ITEMS],int size)678 sof_ipc3_set_up_volume_table(struct snd_sof_control *scontrol, int tlv[SOF_TLV_ITEMS], int size)
679 {
680 int i;
681
682 /* init the volume table */
683 scontrol->volume_table = kcalloc(size, sizeof(u32), GFP_KERNEL);
684 if (!scontrol->volume_table)
685 return -ENOMEM;
686
687 /* populate the volume table */
688 for (i = 0; i < size ; i++)
689 scontrol->volume_table[i] = vol_compute_gain(i, tlv);
690
691 return 0;
692 }
693
694 const struct sof_ipc_tplg_control_ops tplg_ipc3_control_ops = {
695 .volume_put = sof_ipc3_volume_put,
696 .volume_get = sof_ipc3_volume_get,
697 .switch_put = sof_ipc3_switch_put,
698 .switch_get = sof_ipc3_switch_get,
699 .enum_put = sof_ipc3_enum_put,
700 .enum_get = sof_ipc3_enum_get,
701 .bytes_put = sof_ipc3_bytes_put,
702 .bytes_get = sof_ipc3_bytes_get,
703 .bytes_ext_put = sof_ipc3_bytes_ext_put,
704 .bytes_ext_get = sof_ipc3_bytes_ext_get,
705 .bytes_ext_volatile_get = sof_ipc3_bytes_ext_volatile_get,
706 .update = sof_ipc3_control_update,
707 .widget_kcontrol_setup = sof_ipc3_widget_kcontrol_setup,
708 .set_up_volume_table = sof_ipc3_set_up_volume_table,
709 };
710