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greybus: svc_watchdog: Add sysfs file to change the behavior of bite
[linux-2.6-block.git] / drivers / staging / greybus / audio_topology.c
CommitLineData
6339d232
VA		 1/*
2 * Greybus audio driver
3 * Copyright 2015-2016 Google Inc.
4 * Copyright 2015-2016 Linaro Ltd.
5 *
6 * Released under the GPLv2 only.
7 */
8
9#include "audio_codec.h"
10#include "greybus_protocols.h"
11
12#define GBAUDIO_INVALID_ID 0xFF
13
14/* mixer control */
15struct gb_mixer_control {
16 int min, max;
17 unsigned int reg, rreg, shift, rshift, invert;
18};
19
20struct gbaudio_ctl_pvt {
21 unsigned int ctl_id;
22 unsigned int data_cport;
23 unsigned int access;
24 unsigned int vcount;
25 struct gb_audio_ctl_elem_info *info;
26};
27
6dd67645
VA		 28static struct gbaudio_module_info *find_gb_module(
29 struct gbaudio_codec_info *codec,
30 char const *name)
31{
32 int dev_id, ret;
33 char begin[NAME_SIZE];
34 struct gbaudio_module_info *module;
35
36 if (!name)
37 return NULL;
38
39 ret = sscanf(name, "%s %d", begin, &dev_id);
40 dev_dbg(codec->dev, "%s:Find module#%d\n", __func__, dev_id);
41
42 mutex_lock(&codec->lock);
43 list_for_each_entry(module, &codec->module_list, list) {
44 if (module->dev_id == dev_id) {
45 mutex_unlock(&codec->lock);
46 return module;
47 }
48 }
49 mutex_unlock(&codec->lock);
02f1c12c
VA		 50 dev_warn(codec->dev, "%s: module#%d missing in codec list\n", name,
51 dev_id);
6dd67645
VA		 52 return NULL;
53}
54
55static const char *gbaudio_map_controlid(struct gbaudio_module_info *module,
e65579e3 56 __u8 control_id, __u8 index)
6339d232
VA		 57{
58 struct gbaudio_control *control;
59
60 if (control_id == GBAUDIO_INVALID_ID)
61 return NULL;
62
6dd67645 63 list_for_each_entry(control, &module->ctl_list, list) {
6339d232
VA		 64 if (control->id == control_id) {
65 if (index == GBAUDIO_INVALID_ID)
66 return control->name;
67 return control->texts[index];
68 }
69 }
6dd67645 70 list_for_each_entry(control, &module->widget_ctl_list, list) {
6339d232
VA		 71 if (control->id == control_id) {
72 if (index == GBAUDIO_INVALID_ID)
73 return control->name;
74 return control->texts[index];
75 }
76 }
77 return NULL;
78}
79
e65579e3
VA		 80static int gbaudio_map_controlname(struct gbaudio_module_info *module,
81 const char *name)
82{
83 struct gbaudio_control *control;
84
85 list_for_each_entry(control, &module->ctl_list, list) {
86 if (!strncmp(control->name, name, NAME_SIZE))
87 return control->id;
88 }
89
90 dev_warn(module->dev, "%s: missing in modules controls list\n", name);
91
92 return -EINVAL;
93}
94
0c15a9e0 95static int gbaudio_map_wcontrolname(struct gbaudio_module_info *module,
e65579e3 96 const char *name)
0c15a9e0
VA		 97{
98 struct gbaudio_control *control;
99
100 list_for_each_entry(control, &module->widget_ctl_list, list) {
101 if (!strncmp(control->wname, name, NAME_SIZE))
102 return control->id;
103 }
104 dev_warn(module->dev, "%s: missing in modules controls list\n", name);
105
106 return -EINVAL;
107}
108
6dd67645 109static int gbaudio_map_widgetname(struct gbaudio_module_info *module,
e65579e3 110 const char *name)
6339d232
VA		 111{
112 struct gbaudio_widget *widget;
6dd67645
VA		 113 list_for_each_entry(widget, &module->widget_list, list) {
114 if (!strncmp(widget->name, name, NAME_SIZE))
6339d232
VA		 115 return widget->id;
116 }
bb296b48
VA		 117 dev_warn(module->dev, "%s: missing in modules widgets list\n", name);
118
6339d232
VA		 119 return -EINVAL;
120}
121
6dd67645 122static const char *gbaudio_map_widgetid(struct gbaudio_module_info *module,
e65579e3 123 __u8 widget_id)
6339d232
VA		 124{
125 struct gbaudio_widget *widget;
126
6dd67645 127 list_for_each_entry(widget, &module->widget_list, list) {
6339d232
VA		 128 if (widget->id == widget_id)
129 return widget->name;
130 }
131 return NULL;
132}
133
a0de502e
VK		 134static const char **gb_generate_enum_strings(struct gbaudio_module_info *gb,
135 struct gb_audio_enumerated *gbenum)
e65579e3
VA		 136{
137 const char **strings;
138 int i;
139 __u8 *data;
140
141 strings = devm_kzalloc(gb->dev, sizeof(char *) * gbenum->items,
142 GFP_KERNEL);
143 data = gbenum->names;
144
145 for (i = 0; i < gbenum->items; i++) {
146 strings[i] = (const char *)data;
147 while (*data != '\0')
148 data++;
149 data++;
150 }
151
152 return strings;
153}
154
6339d232
VA		 155static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol,
156 struct snd_ctl_elem_info *uinfo)
157{
158 unsigned int max;
159 const char *name;
160 struct gbaudio_ctl_pvt *data;
161 struct gb_audio_ctl_elem_info *info;
6dd67645 162 struct gbaudio_module_info *module;
6339d232 163 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
796fad44 164 struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
6339d232 165
6dd67645 166 dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
6339d232
VA		 167 data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
168 info = (struct gb_audio_ctl_elem_info *)data->info;
169
170 if (!info) {
6dd67645 171 dev_err(module->dev, "NULL info for %s\n", uinfo->id.name);
6339d232
VA		 172 return -EINVAL;
173 }
174
175 /* update uinfo */
176 uinfo->access = data->access;
177 uinfo->count = data->vcount;
178 uinfo->type = (snd_ctl_elem_type_t)info->type;
179
180 switch (info->type) {
181 case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
182 case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
183 uinfo->value.integer.min = info->value.integer.min;
184 uinfo->value.integer.max = info->value.integer.max;
185 break;
186 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
187 max = info->value.enumerated.items;
188 uinfo->value.enumerated.items = max;
189 if (uinfo->value.enumerated.item > max - 1)
190 uinfo->value.enumerated.item = max - 1;
6dd67645
VA		 191 module = find_gb_module(gbcodec, kcontrol->id.name);
192 if (!module)
193 return -EINVAL;
194 name = gbaudio_map_controlid(module, data->ctl_id,
6339d232
VA		 195 uinfo->value.enumerated.item);
196 strlcpy(uinfo->value.enumerated.name, name, NAME_SIZE);
197 break;
198 default:
199 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
200 info->type, kcontrol->id.name);
201 break;
202 }
203 return 0;
204}
205
206static int gbcodec_mixer_ctl_get(struct snd_kcontrol *kcontrol,
207 struct snd_ctl_elem_value *ucontrol)
208{
209 int ret;
210 struct gb_audio_ctl_elem_info *info;
211 struct gbaudio_ctl_pvt *data;
212 struct gb_audio_ctl_elem_value gbvalue;
6dd67645 213 struct gbaudio_module_info *module;
6339d232 214 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
796fad44 215 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
6ba7fad4 216 struct gb_bundle *bundle;
6339d232 217
6dd67645
VA		 218 dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
219 module = find_gb_module(gb, kcontrol->id.name);
220 if (!module)
221 return -EINVAL;
3994e0b1 222
6339d232
VA		 223 data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
224 info = (struct gb_audio_ctl_elem_info *)data->info;
6ba7fad4
DL		 225 bundle = to_gb_bundle(module->dev);
226
227 ret = gb_pm_runtime_get_sync(bundle);
228 if (ret)
229 return ret;
6339d232 230
6dd67645 231 ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
6339d232 232 GB_AUDIO_INVALID_INDEX, &gbvalue);
6ba7fad4
DL		 233
234 gb_pm_runtime_put_autosuspend(bundle);
235
6339d232 236 if (ret) {
c6722ab5
VA		 237 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
238 __func__, kcontrol->id.name);
6339d232
VA		 239 return ret;
240 }
241
242 /* update ucontrol */
243 switch (info->type) {
244 case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
245 case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
246 ucontrol->value.integer.value[0] =
247 gbvalue.value.integer_value[0];
248 if (data->vcount == 2)
249 ucontrol->value.integer.value[1] =
250 gbvalue.value.integer_value[1];
251 break;
252 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
253 ucontrol->value.enumerated.item[0] =
254 gbvalue.value.enumerated_item[0];
255 if (data->vcount == 2)
256 ucontrol->value.enumerated.item[1] =
257 gbvalue.value.enumerated_item[1];
258 break;
259 default:
260 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
261 info->type, kcontrol->id.name);
262 ret = -EINVAL;
263 break;
264 }
265 return ret;
266}
267
268static int gbcodec_mixer_ctl_put(struct snd_kcontrol *kcontrol,
269 struct snd_ctl_elem_value *ucontrol)
270{
271 int ret = 0;
272 struct gb_audio_ctl_elem_info *info;
273 struct gbaudio_ctl_pvt *data;
274 struct gb_audio_ctl_elem_value gbvalue;
6dd67645 275 struct gbaudio_module_info *module;
6339d232 276 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
796fad44 277 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
6ba7fad4 278 struct gb_bundle *bundle;
6339d232 279
6dd67645
VA		 280 dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
281 module = find_gb_module(gb, kcontrol->id.name);
282 if (!module)
283 return -EINVAL;
3994e0b1 284
6339d232
VA		 285 data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
286 info = (struct gb_audio_ctl_elem_info *)data->info;
6ba7fad4 287 bundle = to_gb_bundle(module->dev);
6339d232
VA		 288
289 /* update ucontrol */
290 switch (info->type) {
291 case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN:
292 case GB_AUDIO_CTL_ELEM_TYPE_INTEGER:
293 gbvalue.value.integer_value[0] =
294 ucontrol->value.integer.value[0];
295 if (data->vcount == 2)
296 gbvalue.value.integer_value[1] =
297 ucontrol->value.integer.value[1];
298 break;
299 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
300 gbvalue.value.enumerated_item[0] =
301 ucontrol->value.enumerated.item[0];
302 if (data->vcount == 2)
303 gbvalue.value.enumerated_item[1] =
304 ucontrol->value.enumerated.item[1];
305 break;
306 default:
307 dev_err(codec->dev, "Invalid type: %d for %s:kcontrol\n",
308 info->type, kcontrol->id.name);
309 ret = -EINVAL;
310 break;
311 }
312
6ba7fad4
DL		 313 if (ret)
314 return ret;
315
316 ret = gb_pm_runtime_get_sync(bundle);
6339d232
VA		 317 if (ret)
318 return ret;
319
6dd67645 320 ret = gb_audio_gb_set_control(module->mgmt_connection, data->ctl_id,
6339d232 321 GB_AUDIO_INVALID_INDEX, &gbvalue);
6ba7fad4
DL		 322
323 gb_pm_runtime_put_autosuspend(bundle);
324
6339d232 325 if (ret) {
c6722ab5
VA		 326 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
327 __func__, kcontrol->id.name);
6339d232
VA		 328 }
329
330 return ret;
331}
332
333#define SOC_MIXER_GB(xname, kcount, data) \
334{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
335 .count = kcount, .info = gbcodec_mixer_ctl_info, \
336 .get = gbcodec_mixer_ctl_get, .put = gbcodec_mixer_ctl_put, \
337 .private_value = (unsigned long)data }
338
339/*
340 * although below callback functions seems redundant to above functions.
341 * same are kept to allow provision for different handling in case
342 * of DAPM related sequencing, etc.
343 */
344static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
345 struct snd_ctl_elem_info *uinfo)
346{
347 int platform_max, platform_min;
348 struct gbaudio_ctl_pvt *data;
349 struct gb_audio_ctl_elem_info *info;
6dd67645
VA		 350 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
351 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
352 struct snd_soc_codec *codec = widget->codec;
6339d232 353
6dd67645 354 dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
6339d232
VA		 355 data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
356 info = (struct gb_audio_ctl_elem_info *)data->info;
357
358 /* update uinfo */
359 platform_max = info->value.integer.max;
360 platform_min = info->value.integer.min;
361
362 if (platform_max == 1 &&
363 !strnstr(kcontrol->id.name, " Volume", NAME_SIZE))
364 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
365 else
366 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
367
368 uinfo->count = data->vcount;
369 uinfo->value.integer.min = 0;
370 if (info->value.integer.min < 0 &&
371 (uinfo->type == SNDRV_CTL_ELEM_TYPE_INTEGER))
372 uinfo->value.integer.max = platform_max - platform_min;
373 else
374 uinfo->value.integer.max = platform_max;
375
376 return 0;
377}
378
379static int gbcodec_mixer_dapm_ctl_get(struct snd_kcontrol *kcontrol,
380 struct snd_ctl_elem_value *ucontrol)
381{
382 int ret;
383 struct gb_audio_ctl_elem_info *info;
384 struct gbaudio_ctl_pvt *data;
385 struct gb_audio_ctl_elem_value gbvalue;
6dd67645 386 struct gbaudio_module_info *module;
6339d232
VA		 387 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
388 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
389 struct snd_soc_codec *codec = widget->codec;
796fad44 390 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
6ba7fad4 391 struct gb_bundle *bundle;
6339d232 392
6dd67645
VA		 393 dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
394 module = find_gb_module(gb, kcontrol->id.name);
395 if (!module)
396 return -EINVAL;
3994e0b1 397
6339d232
VA		 398 data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
399 info = (struct gb_audio_ctl_elem_info *)data->info;
6ba7fad4 400 bundle = to_gb_bundle(module->dev);
6339d232
VA		 401
402 if (data->vcount == 2)
403 dev_warn(widget->dapm->dev,
404 "GB: Control '%s' is stereo, which is not supported\n",
405 kcontrol->id.name);
406
6ba7fad4
DL		 407 ret = gb_pm_runtime_get_sync(bundle);
408 if (ret)
409 return ret;
410
6dd67645 411 ret = gb_audio_gb_get_control(module->mgmt_connection, data->ctl_id,
6339d232 412 GB_AUDIO_INVALID_INDEX, &gbvalue);
6ba7fad4
DL		 413
414 gb_pm_runtime_put_autosuspend(bundle);
415
6339d232 416 if (ret) {
c6722ab5
VA		 417 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
418 __func__, kcontrol->id.name);
6339d232
VA		 419 return ret;
420 }
421 /* update ucontrol */
422 ucontrol->value.integer.value[0] = gbvalue.value.integer_value[0];
423
424 return ret;
425}
426
427static int gbcodec_mixer_dapm_ctl_put(struct snd_kcontrol *kcontrol,
428 struct snd_ctl_elem_value *ucontrol)
429{
430 int ret, wi, max, connect;
431 unsigned int mask, val;
432 struct gb_audio_ctl_elem_info *info;
433 struct gbaudio_ctl_pvt *data;
434 struct gb_audio_ctl_elem_value gbvalue;
6dd67645 435 struct gbaudio_module_info *module;
6339d232
VA		 436 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
437 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
438 struct snd_soc_codec *codec = widget->codec;
796fad44 439 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
6ba7fad4 440 struct gb_bundle *bundle;
6339d232 441
6dd67645
VA		 442 dev_dbg(codec->dev, "Entered %s:%s\n", __func__, kcontrol->id.name);
443 module = find_gb_module(gb, kcontrol->id.name);
444 if (!module)
445 return -EINVAL;
3994e0b1 446
6339d232
VA		 447 data = (struct gbaudio_ctl_pvt *)kcontrol->private_value;
448 info = (struct gb_audio_ctl_elem_info *)data->info;
6ba7fad4 449 bundle = to_gb_bundle(module->dev);
6339d232
VA		 450
451 if (data->vcount == 2)
452 dev_warn(widget->dapm->dev,
453 "GB: Control '%s' is stereo, which is not supported\n",
454 kcontrol->id.name);
455
456 max = info->value.integer.max;
457 mask = (1 << fls(max)) - 1;
458 val = (ucontrol->value.integer.value[0] & mask);
459 connect = !!val;
460
461 /* update ucontrol */
462 if (gbvalue.value.integer_value[0] != val) {
463 for (wi = 0; wi < wlist->num_widgets; wi++) {
464 widget = wlist->widgets[wi];
465
466 widget->value = val;
467 widget->dapm->update = NULL;
468 snd_soc_dapm_mixer_update_power(widget, kcontrol,
469 connect);
470 }
471 gbvalue.value.integer_value[0] =
472 ucontrol->value.integer.value[0];
6ba7fad4
DL		 473
474 ret = gb_pm_runtime_get_sync(bundle);
475 if (ret)
476 return ret;
477
6dd67645 478 ret = gb_audio_gb_set_control(module->mgmt_connection,
6339d232
VA		 479 data->ctl_id,
480 GB_AUDIO_INVALID_INDEX, &gbvalue);
6ba7fad4
DL		 481
482 gb_pm_runtime_put_autosuspend(bundle);
483
6339d232 484 if (ret) {
c6722ab5
VA		 485 dev_err_ratelimited(codec->dev,
486 "%d:Error in %s for %s\n", ret,
487 __func__, kcontrol->id.name);
6339d232
VA		 488 }
489 }
490
491 return ret;
492}
493
494#define SOC_DAPM_MIXER_GB(xname, kcount, data) \
495{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
496 .count = kcount, .info = gbcodec_mixer_dapm_ctl_info, \
497 .get = gbcodec_mixer_dapm_ctl_get, .put = gbcodec_mixer_dapm_ctl_put, \
498 .private_value = (unsigned long)data}
499
500static int gbcodec_event_spk(struct snd_soc_dapm_widget *w,
501 struct snd_kcontrol *k, int event)
502{
503 /* Ensure GB speaker is connected */
504
505 return 0;
506}
507
508static int gbcodec_event_hp(struct snd_soc_dapm_widget *w,
509 struct snd_kcontrol *k, int event)
510{
511 /* Ensure GB module supports jack slot */
512
513 return 0;
514}
515
516static int gbcodec_event_int_mic(struct snd_soc_dapm_widget *w,
517 struct snd_kcontrol *k, int event)
518{
519 /* Ensure GB module supports jack slot */
520
521 return 0;
522}
523
524static int gbaudio_validate_kcontrol_count(struct gb_audio_widget *w)
525{
526 int ret = 0;
527
528 switch (w->type) {
529 case snd_soc_dapm_spk:
530 case snd_soc_dapm_hp:
531 case snd_soc_dapm_mic:
532 case snd_soc_dapm_output:
533 case snd_soc_dapm_input:
534 if (w->ncontrols)
535 ret = -EINVAL;
536 break;
537 case snd_soc_dapm_switch:
538 case snd_soc_dapm_mux:
539 if (w->ncontrols != 1)
540 ret = -EINVAL;
541 break;
542 default:
543 break;
544 }
545
546 return ret;
547}
548
e65579e3
VA		 549static int gbcodec_enum_ctl_get(struct snd_kcontrol *kcontrol,
550 struct snd_ctl_elem_value *ucontrol)
551{
552 int ret, ctl_id;
553 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
554 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
555 struct gb_audio_ctl_elem_value gbvalue;
556 struct gbaudio_module_info *module;
557 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
558
559 module = find_gb_module(gb, kcontrol->id.name);
560 if (!module)
561 return -EINVAL;
562
563 ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
564 if (ctl_id < 0)
565 return -EINVAL;
566
567 ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
568 GB_AUDIO_INVALID_INDEX, &gbvalue);
569 if (ret) {
570 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
571 __func__, kcontrol->id.name);
572 return ret;
573 }
574
575 ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
576 if (e->shift_l != e->shift_r)
577 ucontrol->value.enumerated.item[1] =
578 gbvalue.value.enumerated_item[1];
579
580 return 0;
581}
582
583static int gbcodec_enum_ctl_put(struct snd_kcontrol *kcontrol,
584 struct snd_ctl_elem_value *ucontrol)
585{
586 int ret, ctl_id;
587 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
588 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
589 struct gb_audio_ctl_elem_value gbvalue;
590 struct gbaudio_module_info *module;
591 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
592
593 module = find_gb_module(gb, kcontrol->id.name);
594 if (!module)
595 return -EINVAL;
596
597 ctl_id = gbaudio_map_controlname(module, kcontrol->id.name);
598 if (ctl_id < 0)
599 return -EINVAL;
600
601 if (ucontrol->value.enumerated.item[0] > e->max - 1)
602 return -EINVAL;
603 gbvalue.value.enumerated_item[0] = ucontrol->value.enumerated.item[0];
604
605 if (e->shift_l != e->shift_r) {
606 if (ucontrol->value.enumerated.item[1] > e->max - 1)
607 return -EINVAL;
608 gbvalue.value.enumerated_item[1] =
609 ucontrol->value.enumerated.item[1];
610 }
611
612 ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
613 GB_AUDIO_INVALID_INDEX, &gbvalue);
614 if (ret) {
615 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
616 __func__, kcontrol->id.name);
617 }
618
619 return ret;
620}
621
622static int gbaudio_tplg_create_enum_kctl(struct gbaudio_module_info *gb,
623 struct snd_kcontrol_new *kctl,
624 struct gb_audio_control *ctl)
625{
626 struct soc_enum *gbe;
627 struct gb_audio_enumerated *gb_enum;
628 int i;
629
630 gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
631 if (!gbe)
632 return -ENOMEM;
633
634 gb_enum = &ctl->info.value.enumerated;
635
636 /* since count=1, and reg is dummy */
637 gbe->max = gb_enum->items;
638 gbe->texts = gb_generate_enum_strings(gb, gb_enum);
639
640 /* debug enum info */
641 dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
642 gb_enum->names_length);
643 for (i = 0; i < gb_enum->items; i++)
644 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
645
646 *kctl = (struct snd_kcontrol_new)
647 SOC_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_ctl_get,
648 gbcodec_enum_ctl_put);
649 return 0;
650}
651
6dd67645 652static int gbaudio_tplg_create_kcontrol(struct gbaudio_module_info *gb,
6339d232
VA		 653 struct snd_kcontrol_new *kctl,
654 struct gb_audio_control *ctl)
655{
e65579e3 656 int ret = 0;
6339d232
VA		 657 struct gbaudio_ctl_pvt *ctldata;
658
659 switch (ctl->iface) {
660 case SNDRV_CTL_ELEM_IFACE_MIXER:
e65579e3
VA		 661 switch (ctl->info.type) {
662 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
663 ret = gbaudio_tplg_create_enum_kctl(gb, kctl, ctl);
664 break;
665 default:
666 ctldata = devm_kzalloc(gb->dev,
667 sizeof(struct gbaudio_ctl_pvt),
668 GFP_KERNEL);
669 if (!ctldata)
670 return -ENOMEM;
671 ctldata->ctl_id = ctl->id;
672 ctldata->data_cport = ctl->data_cport;
673 ctldata->access = ctl->access;
674 ctldata->vcount = ctl->count_values;
675 ctldata->info = &ctl->info;
676 *kctl = (struct snd_kcontrol_new)
677 SOC_MIXER_GB(ctl->name, ctl->count, ctldata);
678 ctldata = NULL;
679 break;
680 }
6339d232
VA		 681 break;
682 default:
683 return -EINVAL;
684 }
685
686 dev_dbg(gb->dev, "%s:%d control created\n", ctl->name, ctl->id);
e65579e3
VA		 687 return ret;
688}
689
690static int gbcodec_enum_dapm_ctl_get(struct snd_kcontrol *kcontrol,
691 struct snd_ctl_elem_value *ucontrol)
692{
693 int ret, ctl_id;
694 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
695 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
696 struct gbaudio_module_info *module;
697 struct gb_audio_ctl_elem_value gbvalue;
698 struct snd_soc_codec *codec = widget->codec;
699 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
700 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
701
702 module = find_gb_module(gb, kcontrol->id.name);
703 if (!module)
704 return -EINVAL;
705
706 ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
707 if (ctl_id < 0)
708 return -EINVAL;
709
710 ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
711 GB_AUDIO_INVALID_INDEX, &gbvalue);
712 if (ret) {
713 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
714 __func__, kcontrol->id.name);
715 return ret;
716 }
717
718 ucontrol->value.enumerated.item[0] = gbvalue.value.enumerated_item[0];
719 if (e->shift_l != e->shift_r)
720 ucontrol->value.enumerated.item[1] =
721 gbvalue.value.enumerated_item[1];
722
6339d232
VA		 723 return 0;
724}
725
e65579e3
VA		 726static int gbcodec_enum_dapm_ctl_put(struct snd_kcontrol *kcontrol,
727 struct snd_ctl_elem_value *ucontrol)
728{
729 int ret, wi, ctl_id;
730 unsigned int val, mux, change;
731 unsigned int mask;
732 struct snd_soc_dapm_widget_list *wlist = snd_kcontrol_chip(kcontrol);
733 struct snd_soc_dapm_widget *widget = wlist->widgets[0];
734 struct gb_audio_ctl_elem_value gbvalue;
735 struct gbaudio_module_info *module;
736 struct snd_soc_codec *codec = widget->codec;
737 struct gbaudio_codec_info *gb = snd_soc_codec_get_drvdata(codec);
738 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
739
740 if (ucontrol->value.enumerated.item[0] > e->max - 1)
741 return -EINVAL;
742
743 module = find_gb_module(gb, kcontrol->id.name);
744 if (!module)
745 return -EINVAL;
746
747 ctl_id = gbaudio_map_wcontrolname(module, kcontrol->id.name);
748 if (ctl_id < 0)
749 return -EINVAL;
750
751 change = 0;
752 ret = gb_audio_gb_get_control(module->mgmt_connection, ctl_id,
753 GB_AUDIO_INVALID_INDEX, &gbvalue);
754 if (ret) {
755 dev_err_ratelimited(codec->dev, "%d:Error in %s for %s\n", ret,
756 __func__, kcontrol->id.name);
757 return ret;
758 }
6339d232 759
e65579e3
VA		 760 mux = ucontrol->value.enumerated.item[0];
761 val = mux << e->shift_l;
762 mask = e->mask << e->shift_l;
6339d232 763
e65579e3
VA		 764 if (gbvalue.value.enumerated_item[0] !=
765 ucontrol->value.enumerated.item[0]) {
766 change = 1;
767 gbvalue.value.enumerated_item[0] =
768 ucontrol->value.enumerated.item[0];
769 }
770
771 if (e->shift_l != e->shift_r) {
772 if (ucontrol->value.enumerated.item[1] > e->max - 1)
773 return -EINVAL;
774 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
775 mask |= e->mask << e->shift_r;
776 if (gbvalue.value.enumerated_item[1] !=
777 ucontrol->value.enumerated.item[1]) {
778 change = 1;
779 gbvalue.value.enumerated_item[1] =
780 ucontrol->value.enumerated.item[1];
781 }
782 }
783
784 if (change) {
785 ret = gb_audio_gb_set_control(module->mgmt_connection, ctl_id,
786 GB_AUDIO_INVALID_INDEX, &gbvalue);
787 if (ret) {
788 dev_err_ratelimited(codec->dev,
789 "%d:Error in %s for %s\n", ret,
790 __func__, kcontrol->id.name);
791 }
792 for (wi = 0; wi < wlist->num_widgets; wi++) {
793 widget = wlist->widgets[wi];
794
795 widget->value = val;
796 widget->dapm->update = NULL;
797 snd_soc_dapm_mux_update_power(widget, kcontrol, mux, e);
798 }
799 }
800
801 return change;
802}
6339d232 803
6dd67645 804static int gbaudio_tplg_create_enum_ctl(struct gbaudio_module_info *gb,
6339d232
VA		 805 struct snd_kcontrol_new *kctl,
806 struct gb_audio_control *ctl)
807{
e65579e3
VA		 808 struct soc_enum *gbe;
809 struct gb_audio_enumerated *gb_enum;
810 int i;
811
812 gbe = devm_kzalloc(gb->dev, sizeof(*gbe), GFP_KERNEL);
813 if (!gbe)
814 return -ENOMEM;
6339d232 815
e65579e3
VA		 816 gb_enum = &ctl->info.value.enumerated;
817
818 /* since count=1, and reg is dummy */
819 gbe->max = gb_enum->items;
820 gbe->texts = gb_generate_enum_strings(gb, gb_enum);
821
822 /* debug enum info */
823 dev_dbg(gb->dev, "Max:%d, name_length:%d\n", gb_enum->items,
824 gb_enum->names_length);
825 for (i = 0; i < gb_enum->items; i++)
826 dev_dbg(gb->dev, "src[%d]: %s\n", i, gbe->texts[i]);
827
828 *kctl = (struct snd_kcontrol_new)
829 SOC_DAPM_ENUM_EXT(ctl->name, *gbe, gbcodec_enum_dapm_ctl_get,
830 gbcodec_enum_dapm_ctl_put);
6339d232
VA		 831 return 0;
832}
833
6dd67645 834static int gbaudio_tplg_create_mixer_ctl(struct gbaudio_module_info *gb,
6339d232
VA		 835 struct snd_kcontrol_new *kctl,
836 struct gb_audio_control *ctl)
837{
838 struct gbaudio_ctl_pvt *ctldata;
839
840 ctldata = devm_kzalloc(gb->dev, sizeof(struct gbaudio_ctl_pvt),
841 GFP_KERNEL);
842 if (!ctldata)
843 return -ENOMEM;
844 ctldata->ctl_id = ctl->id;
845 ctldata->data_cport = ctl->data_cport;
846 ctldata->access = ctl->access;
847 ctldata->vcount = ctl->count_values;
848 ctldata->info = &ctl->info;
849 *kctl = (struct snd_kcontrol_new)
850 SOC_DAPM_MIXER_GB(ctl->name, ctl->count, ctldata);
851
852 return 0;
853}
854
6dd67645 855static int gbaudio_tplg_create_wcontrol(struct gbaudio_module_info *gb,
6339d232
VA		 856 struct snd_kcontrol_new *kctl,
857 struct gb_audio_control *ctl)
858{
859 int ret;
860
861 switch (ctl->iface) {
862 case SNDRV_CTL_ELEM_IFACE_MIXER:
863 switch (ctl->info.type) {
864 case GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED:
865 ret = gbaudio_tplg_create_enum_ctl(gb, kctl, ctl);
866 break;
867 default:
868 ret = gbaudio_tplg_create_mixer_ctl(gb, kctl, ctl);
869 break;
870 }
871 break;
872 default:
873 return -EINVAL;
874
875 }
876
877 dev_dbg(gb->dev, "%s:%d DAPM control created, ret:%d\n", ctl->name,
878 ctl->id, ret);
879 return ret;
880}
881
882static int gbaudio_widget_event(struct snd_soc_dapm_widget *w,
883 struct snd_kcontrol *kcontrol, int event)
884{
885 int wid;
886 int ret;
887 struct snd_soc_codec *codec = w->codec;
796fad44 888 struct gbaudio_codec_info *gbcodec = snd_soc_codec_get_drvdata(codec);
6dd67645 889 struct gbaudio_module_info *module;
6ba7fad4 890 struct gb_bundle *bundle;
6339d232
VA		 891
892 dev_dbg(codec->dev, "%s %s %d\n", __func__, w->name, event);
893
6dd67645
VA		 894 /* Find relevant module */
895 module = find_gb_module(gbcodec, w->name);
896 if (!module)
897 return -EINVAL;
898
6339d232 899 /* map name to widget id */
6dd67645 900 wid = gbaudio_map_widgetname(module, w->name);
6339d232
VA		 901 if (wid < 0) {
902 dev_err(codec->dev, "Invalid widget name:%s\n", w->name);
903 return -EINVAL;
904 }
905
6ba7fad4
DL		 906 bundle = to_gb_bundle(module->dev);
907
908 ret = gb_pm_runtime_get_sync(bundle);
909 if (ret)
910 return ret;
911
6339d232
VA		 912 switch (event) {
913 case SND_SOC_DAPM_PRE_PMU:
6dd67645
VA		 914 ret = gb_audio_gb_enable_widget(module->mgmt_connection, wid);
915 if (!ret)
916 ret = gbaudio_module_update(gbcodec, w->name, module,
917 1);
6339d232
VA		 918 break;
919 case SND_SOC_DAPM_POST_PMD:
6dd67645
VA		 920 ret = gb_audio_gb_disable_widget(module->mgmt_connection, wid);
921 if (!ret)
922 ret = gbaudio_module_update(gbcodec, w->name, module,
923 0);
6339d232
VA		 924 break;
925 }
926 if (ret)
c6722ab5
VA		 927 dev_err_ratelimited(codec->dev,
928 "%d: widget, event:%d failed:%d\n", wid,
929 event, ret);
6ba7fad4
DL		 930
931 gb_pm_runtime_put_autosuspend(bundle);
932
6339d232
VA		 933 return ret;
934}
935
6dd67645 936static int gbaudio_tplg_create_widget(struct gbaudio_module_info *module,
6339d232 937 struct snd_soc_dapm_widget *dw,
d4cd9daa 938 struct gb_audio_widget *w, int *w_size)
6339d232 939{
d4cd9daa 940 int i, ret, csize;
6339d232
VA		 941 struct snd_kcontrol_new *widget_kctls;
942 struct gb_audio_control *curr;
943 struct gbaudio_control *control, *_control;
944 size_t size;
6dd67645 945 char temp_name[NAME_SIZE];
6339d232
VA		 946
947 ret = gbaudio_validate_kcontrol_count(w);
948 if (ret) {
6dd67645 949 dev_err(module->dev, "Inavlid kcontrol count=%d for %s\n",
6339d232
VA		 950 w->ncontrols, w->name);
951 return ret;
952 }
953
954 /* allocate memory for kcontrol */
955 if (w->ncontrols) {
956 size = sizeof(struct snd_kcontrol_new) * w->ncontrols;
6dd67645 957 widget_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
6339d232
VA		 958 if (!widget_kctls)
959 return -ENOMEM;
960 }
961
d4cd9daa
VA		 962 *w_size = sizeof(struct gb_audio_widget);
963
6339d232 964 /* create relevant kcontrols */
d4cd9daa 965 curr = w->ctl;
6339d232 966 for (i = 0; i < w->ncontrols; i++) {
6dd67645 967 ret = gbaudio_tplg_create_wcontrol(module, &widget_kctls[i],
6339d232
VA		 968 curr);
969 if (ret) {
6dd67645 970 dev_err(module->dev,
6339d232
VA		 971 "%s:%d type widget_ctl not supported\n",
972 curr->name, curr->iface);
973 goto error;
974 }
6dd67645 975 control = devm_kzalloc(module->dev,
6339d232
VA		 976 sizeof(struct gbaudio_control),
977 GFP_KERNEL);
978 if (!control) {
979 ret = -ENOMEM;
980 goto error;
981 }
982 control->id = curr->id;
983 control->name = curr->name;
0c15a9e0
VA		 984 control->wname = w->name;
985
e65579e3
VA		 986 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
987 struct gb_audio_enumerated *gbenum =
988 &curr->info.value.enumerated;
989
990 csize = offsetof(struct gb_audio_control, info);
991 csize += offsetof(struct gb_audio_ctl_elem_info, value);
992 csize += offsetof(struct gb_audio_enumerated, names);
993 csize += gbenum->names_length;
6339d232 994 control->texts = (const char * const *)
e65579e3
VA		 995 gb_generate_enum_strings(module, gbenum);
996 } else
997 csize = sizeof(struct gb_audio_control);
d4cd9daa
VA		 998 *w_size += csize;
999 curr = (void *)curr + csize;
6dd67645
VA		 1000 list_add(&control->list, &module->widget_ctl_list);
1001 dev_dbg(module->dev, "%s: control of type %d created\n",
6339d232
VA		 1002 widget_kctls[i].name, widget_kctls[i].iface);
1003 }
1004
6dd67645
VA		 1005 /* Prefix dev_id to widget control_name */
1006 strlcpy(temp_name, w->name, NAME_SIZE);
1007 snprintf(w->name, NAME_SIZE, "GB %d %s", module->dev_id, temp_name);
1008
6339d232
VA		 1009 switch (w->type) {
1010 case snd_soc_dapm_spk:
1011 *dw = (struct snd_soc_dapm_widget)
1012 SND_SOC_DAPM_SPK(w->name, gbcodec_event_spk);
89de9a06 1013 module->op_devices |= GBAUDIO_DEVICE_OUT_SPEAKER;
6339d232
VA		 1014 break;
1015 case snd_soc_dapm_hp:
1016 *dw = (struct snd_soc_dapm_widget)
1017 SND_SOC_DAPM_HP(w->name, gbcodec_event_hp);
64a7e2cc 1018 module->num_jacks++;
89de9a06
VA		 1019 module->op_devices |= (GBAUDIO_DEVICE_OUT_WIRED_HEADSET
1020 | GBAUDIO_DEVICE_OUT_WIRED_HEADPHONE);
1021 module->ip_devices |= GBAUDIO_DEVICE_IN_WIRED_HEADSET;
6339d232
VA		 1022 break;
1023 case snd_soc_dapm_mic:
1024 *dw = (struct snd_soc_dapm_widget)
1025 SND_SOC_DAPM_MIC(w->name, gbcodec_event_int_mic);
89de9a06 1026 module->ip_devices |= GBAUDIO_DEVICE_IN_BUILTIN_MIC;
6339d232
VA		 1027 break;
1028 case snd_soc_dapm_output:
1029 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_OUTPUT(w->name);
1030 break;
1031 case snd_soc_dapm_input:
1032 *dw = (struct snd_soc_dapm_widget)SND_SOC_DAPM_INPUT(w->name);
1033 break;
1034 case snd_soc_dapm_switch:
1035 *dw = (struct snd_soc_dapm_widget)
1036 SND_SOC_DAPM_SWITCH_E(w->name, SND_SOC_NOPM, 0, 0,
1037 widget_kctls, gbaudio_widget_event,
1038 SND_SOC_DAPM_PRE_PMU |
1039 SND_SOC_DAPM_POST_PMD);
1040 break;
1041 case snd_soc_dapm_pga:
1042 *dw = (struct snd_soc_dapm_widget)
1043 SND_SOC_DAPM_PGA_E(w->name, SND_SOC_NOPM, 0, 0, NULL, 0,
1044 gbaudio_widget_event,
1045 SND_SOC_DAPM_PRE_PMU |
1046 SND_SOC_DAPM_POST_PMD);
1047 break;
1048 case snd_soc_dapm_mixer:
1049 *dw = (struct snd_soc_dapm_widget)
1050 SND_SOC_DAPM_MIXER_E(w->name, SND_SOC_NOPM, 0, 0, NULL,
1051 0, gbaudio_widget_event,
1052 SND_SOC_DAPM_PRE_PMU |
1053 SND_SOC_DAPM_POST_PMD);
1054 break;
1055 case snd_soc_dapm_mux:
1056 *dw = (struct snd_soc_dapm_widget)
1057 SND_SOC_DAPM_MUX_E(w->name, SND_SOC_NOPM, 0, 0,
1058 widget_kctls, gbaudio_widget_event,
1059 SND_SOC_DAPM_PRE_PMU |
1060 SND_SOC_DAPM_POST_PMD);
1061 break;
1062 case snd_soc_dapm_aif_in:
1063 *dw = (struct snd_soc_dapm_widget)
1064 SND_SOC_DAPM_AIF_IN_E(w->name, w->sname, 0,
1065 SND_SOC_NOPM,
1066 0, 0, gbaudio_widget_event,
1067 SND_SOC_DAPM_PRE_PMU |
1068 SND_SOC_DAPM_POST_PMD);
1069 break;
1070 case snd_soc_dapm_aif_out:
1071 *dw = (struct snd_soc_dapm_widget)
1072 SND_SOC_DAPM_AIF_OUT_E(w->name, w->sname, 0,
1073 SND_SOC_NOPM,
1074 0, 0, gbaudio_widget_event,
1075 SND_SOC_DAPM_PRE_PMU |
1076 SND_SOC_DAPM_POST_PMD);
1077 break;
1078 default:
1079 ret = -EINVAL;
1080 goto error;
1081 }
1082
6dd67645 1083 dev_dbg(module->dev, "%s: widget of type %d created\n", dw->name,
6339d232
VA		 1084 dw->id);
1085 return 0;
1086error:
6dd67645 1087 list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
6339d232
VA		 1088 list) {
1089 list_del(&control->list);
6dd67645 1090 devm_kfree(module->dev, control);
6339d232
VA		 1091 }
1092 return ret;
1093}
1094
6dd67645 1095static int gbaudio_tplg_process_kcontrols(struct gbaudio_module_info *module,
6339d232
VA		 1096 struct gb_audio_control *controls)
1097{
d4cd9daa 1098 int i, csize, ret;
6339d232
VA		 1099 struct snd_kcontrol_new *dapm_kctls;
1100 struct gb_audio_control *curr;
1101 struct gbaudio_control *control, *_control;
1102 size_t size;
6dd67645 1103 char temp_name[NAME_SIZE];
6339d232 1104
6dd67645
VA		 1105 size = sizeof(struct snd_kcontrol_new) * module->num_controls;
1106 dapm_kctls = devm_kzalloc(module->dev, size, GFP_KERNEL);
6339d232
VA		 1107 if (!dapm_kctls)
1108 return -ENOMEM;
1109
1110 curr = controls;
6dd67645
VA		 1111 for (i = 0; i < module->num_controls; i++) {
1112 ret = gbaudio_tplg_create_kcontrol(module, &dapm_kctls[i],
6339d232
VA		 1113 curr);
1114 if (ret) {
6dd67645 1115 dev_err(module->dev, "%s:%d type not supported\n",
6339d232
VA		 1116 curr->name, curr->iface);
1117 goto error;
1118 }
6dd67645 1119 control = devm_kzalloc(module->dev, sizeof(struct
6339d232
VA		 1120 gbaudio_control),
1121 GFP_KERNEL);
1122 if (!control) {
1123 ret = -ENOMEM;
1124 goto error;
1125 }
1126 control->id = curr->id;
6dd67645
VA		 1127 /* Prefix dev_id to widget_name */
1128 strlcpy(temp_name, curr->name, NAME_SIZE);
1129 snprintf(curr->name, NAME_SIZE, "GB %d %s", module->dev_id,
1130 temp_name);
6339d232 1131 control->name = curr->name;
e65579e3
VA		 1132 if (curr->info.type == GB_AUDIO_CTL_ELEM_TYPE_ENUMERATED) {
1133 struct gb_audio_enumerated *gbenum =
1134 &curr->info.value.enumerated;
1135
1136 csize = offsetof(struct gb_audio_control, info);
1137 csize += offsetof(struct gb_audio_ctl_elem_info, value);
1138 csize += offsetof(struct gb_audio_enumerated, names);
1139 csize += gbenum->names_length;
6339d232 1140 control->texts = (const char * const *)
e65579e3
VA		 1141 gb_generate_enum_strings(module, gbenum);
1142 } else
1143 csize = sizeof(struct gb_audio_control);
d4cd9daa 1144
6dd67645
VA		 1145 list_add(&control->list, &module->ctl_list);
1146 dev_dbg(module->dev, "%d:%s created of type %d\n", curr->id,
6339d232 1147 curr->name, curr->info.type);
d4cd9daa 1148 curr = (void *)curr + csize;
6339d232 1149 }
6dd67645 1150 module->controls = dapm_kctls;
6339d232
VA		 1151
1152 return 0;
1153error:
6dd67645 1154 list_for_each_entry_safe(control, _control, &module->ctl_list,
6339d232
VA		 1155 list) {
1156 list_del(&control->list);
6dd67645 1157 devm_kfree(module->dev, control);
6339d232 1158 }
6dd67645 1159 devm_kfree(module->dev, dapm_kctls);
6339d232
VA		 1160 return ret;
1161}
1162
6dd67645 1163static int gbaudio_tplg_process_widgets(struct gbaudio_module_info *module,
6339d232
VA		 1164 struct gb_audio_widget *widgets)
1165{
d4cd9daa 1166 int i, ret, w_size;
6339d232
VA		 1167 struct snd_soc_dapm_widget *dapm_widgets;
1168 struct gb_audio_widget *curr;
1169 struct gbaudio_widget *widget, *_widget;
1170 size_t size;
1171
6dd67645
VA		 1172 size = sizeof(struct snd_soc_dapm_widget) * module->num_dapm_widgets;
1173 dapm_widgets = devm_kzalloc(module->dev, size, GFP_KERNEL);
6339d232
VA		 1174 if (!dapm_widgets)
1175 return -ENOMEM;
1176
1177 curr = widgets;
6dd67645
VA		 1178 for (i = 0; i < module->num_dapm_widgets; i++) {
1179 ret = gbaudio_tplg_create_widget(module, &dapm_widgets[i],
d4cd9daa 1180 curr, &w_size);
6339d232 1181 if (ret) {
6dd67645 1182 dev_err(module->dev, "%s:%d type not supported\n",
6339d232
VA		 1183 curr->name, curr->type);
1184 goto error;
1185 }
6dd67645 1186 widget = devm_kzalloc(module->dev, sizeof(struct
6339d232
VA		 1187 gbaudio_widget),
1188 GFP_KERNEL);
1189 if (!widget) {
1190 ret = -ENOMEM;
1191 goto error;
1192 }
1193 widget->id = curr->id;
1194 widget->name = curr->name;
6dd67645 1195 list_add(&widget->list, &module->widget_list);
d4cd9daa 1196 curr = (void *)curr + w_size;
6339d232 1197 }
6dd67645 1198 module->dapm_widgets = dapm_widgets;
6339d232
VA		 1199
1200 return 0;
1201
1202error:
6dd67645 1203 list_for_each_entry_safe(widget, _widget, &module->widget_list,
6339d232
VA		 1204 list) {
1205 list_del(&widget->list);
6dd67645 1206 devm_kfree(module->dev, widget);
6339d232 1207 }
6dd67645 1208 devm_kfree(module->dev, dapm_widgets);
6339d232
VA		 1209 return ret;
1210}
1211
6dd67645 1212static int gbaudio_tplg_process_routes(struct gbaudio_module_info *module,
6339d232
VA		 1213 struct gb_audio_route *routes)
1214{
1215 int i, ret;
1216 struct snd_soc_dapm_route *dapm_routes;
1217 struct gb_audio_route *curr;
1218 size_t size;
1219
6dd67645
VA		 1220 size = sizeof(struct snd_soc_dapm_route) * module->num_dapm_routes;
1221 dapm_routes = devm_kzalloc(module->dev, size, GFP_KERNEL);
6339d232
VA		 1222 if (!dapm_routes)
1223 return -ENOMEM;
1224
6dd67645 1225 module->dapm_routes = dapm_routes;
6339d232
VA		 1226 curr = routes;
1227
6dd67645 1228 for (i = 0; i < module->num_dapm_routes; i++) {
6339d232 1229 dapm_routes->sink =
6dd67645 1230 gbaudio_map_widgetid(module, curr->destination_id);
6339d232 1231 if (!dapm_routes->sink) {
6dd67645 1232 dev_err(module->dev, "%d:%d:%d:%d - Invalid sink\n",
6339d232
VA		 1233 curr->source_id, curr->destination_id,
1234 curr->control_id, curr->index);
1235 ret = -EINVAL;
1236 goto error;
1237 }
1238 dapm_routes->source =
6dd67645 1239 gbaudio_map_widgetid(module, curr->source_id);
6339d232 1240 if (!dapm_routes->source) {
6dd67645 1241 dev_err(module->dev, "%d:%d:%d:%d - Invalid source\n",
6339d232
VA		 1242 curr->source_id, curr->destination_id,
1243 curr->control_id, curr->index);
1244 ret = -EINVAL;
1245 goto error;
1246 }
1247 dapm_routes->control =
6dd67645 1248 gbaudio_map_controlid(module,
6339d232
VA		 1249 curr->control_id,
1250 curr->index);
1251 if ((curr->control_id != GBAUDIO_INVALID_ID) &&
1252 !dapm_routes->control) {
6dd67645 1253 dev_err(module->dev, "%d:%d:%d:%d - Invalid control\n",
6339d232
VA		 1254 curr->source_id, curr->destination_id,
1255 curr->control_id, curr->index);
1256 ret = -EINVAL;
1257 goto error;
1258 }
6dd67645 1259 dev_dbg(module->dev, "Route {%s, %s, %s}\n", dapm_routes->sink,
6339d232
VA		 1260 (dapm_routes->control) ? dapm_routes->control:"NULL",
1261 dapm_routes->source);
1262 dapm_routes++;
1263 curr++;
1264 }
1265
1266 return 0;
1267
1268error:
6dd67645 1269 devm_kfree(module->dev, dapm_routes);
6339d232
VA		 1270 return ret;
1271}
1272
6dd67645 1273static int gbaudio_tplg_process_header(struct gbaudio_module_info *module,
6339d232
VA		 1274 struct gb_audio_topology *tplg_data)
1275{
1276 /* fetch no. of kcontrols, widgets & routes */
6dd67645
VA		 1277 module->num_controls = tplg_data->num_controls;
1278 module->num_dapm_widgets = tplg_data->num_widgets;
1279 module->num_dapm_routes = tplg_data->num_routes;
6339d232
VA		 1280
1281 /* update block offset */
6dd67645
VA		 1282 module->dai_offset = (unsigned long)&tplg_data->data;
1283 module->control_offset = module->dai_offset + tplg_data->size_dais;
1284 module->widget_offset = module->control_offset +
6339d232 1285 tplg_data->size_controls;
6dd67645 1286 module->route_offset = module->widget_offset +
6339d232
VA		 1287 tplg_data->size_widgets;
1288
6dd67645
VA		 1289 dev_dbg(module->dev, "DAI offset is 0x%lx\n", module->dai_offset);
1290 dev_dbg(module->dev, "control offset is %lx\n",
1291 module->control_offset);
1292 dev_dbg(module->dev, "widget offset is %lx\n", module->widget_offset);
1293 dev_dbg(module->dev, "route offset is %lx\n", module->route_offset);
6339d232
VA		 1294
1295 return 0;
1296}
1297
6dd67645 1298int gbaudio_tplg_parse_data(struct gbaudio_module_info *module,
6339d232
VA		 1299 struct gb_audio_topology *tplg_data)
1300{
1301 int ret;
6339d232
VA		 1302 struct gb_audio_control *controls;
1303 struct gb_audio_widget *widgets;
1304 struct gb_audio_route *routes;
1305
1306 if (!tplg_data)
1307 return -EINVAL;
1308
6dd67645 1309 ret = gbaudio_tplg_process_header(module, tplg_data);
6339d232 1310 if (ret) {
6dd67645 1311 dev_err(module->dev, "%d: Error in parsing topology header\n",
6339d232
VA		 1312 ret);
1313 return ret;
1314 }
1315
1316 /* process control */
6dd67645
VA		 1317 controls = (struct gb_audio_control *)module->control_offset;
1318 ret = gbaudio_tplg_process_kcontrols(module, controls);
6339d232 1319 if (ret) {
6dd67645 1320 dev_err(module->dev,
6339d232
VA		 1321 "%d: Error in parsing controls data\n", ret);
1322 return ret;
1323 }
6dd67645 1324 dev_dbg(module->dev, "Control parsing finished\n");
6339d232
VA		 1325
1326 /* process widgets */
6dd67645
VA		 1327 widgets = (struct gb_audio_widget *)module->widget_offset;
1328 ret = gbaudio_tplg_process_widgets(module, widgets);
6339d232 1329 if (ret) {
6dd67645 1330 dev_err(module->dev,
6339d232
VA		 1331 "%d: Error in parsing widgets data\n", ret);
1332 return ret;
1333 }
6dd67645 1334 dev_dbg(module->dev, "Widget parsing finished\n");
6339d232
VA		 1335
1336 /* process route */
6dd67645
VA		 1337 routes = (struct gb_audio_route *)module->route_offset;
1338 ret = gbaudio_tplg_process_routes(module, routes);
6339d232 1339 if (ret) {
6dd67645 1340 dev_err(module->dev,
6339d232
VA		 1341 "%d: Error in parsing routes data\n", ret);
1342 return ret;
1343 }
6dd67645 1344 dev_dbg(module->dev, "Route parsing finished\n");
6339d232
VA		 1345
1346 return ret;
1347}
1348
6dd67645 1349void gbaudio_tplg_release(struct gbaudio_module_info *module)
6339d232 1350{
6339d232
VA		 1351 struct gbaudio_control *control, *_control;
1352 struct gbaudio_widget *widget, *_widget;
1353
6dd67645 1354 if (!module->topology)
6339d232
VA		 1355 return;
1356
1357 /* release kcontrols */
6dd67645 1358 list_for_each_entry_safe(control, _control, &module->ctl_list,
6339d232
VA		 1359 list) {
1360 list_del(&control->list);
6dd67645 1361 devm_kfree(module->dev, control);
6339d232 1362 }
6dd67645
VA		 1363 if (module->controls)
1364 devm_kfree(module->dev, module->controls);
6339d232
VA		 1365
1366 /* release widget controls */
6dd67645 1367 list_for_each_entry_safe(control, _control, &module->widget_ctl_list,
6339d232
VA		 1368 list) {
1369 list_del(&control->list);
6dd67645 1370 devm_kfree(module->dev, control);
6339d232
VA		 1371 }
1372
1373 /* release widgets */
6dd67645 1374 list_for_each_entry_safe(widget, _widget, &module->widget_list,
6339d232
VA		 1375 list) {
1376 list_del(&widget->list);
6dd67645 1377 devm_kfree(module->dev, widget);
6339d232 1378 }
6dd67645
VA		 1379 if (module->dapm_widgets)
1380 devm_kfree(module->dev, module->dapm_widgets);
6339d232
VA		 1381
1382 /* release routes */
6dd67645
VA		 1383 if (module->dapm_routes)
1384 devm_kfree(module->dev, module->dapm_routes);
6339d232 1385}
Linux 6.x block layer and io_uring tree(s)