1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-topology.c -- ALSA SoC Topology
5 // Copyright (C) 2012 Texas Instruments Inc.
6 // Copyright (C) 2015 Intel Corporation.
8 // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9 // K, Mythri P <mythri.p.k@intel.com>
10 // Prusty, Subhransu S <subhransu.s.prusty@intel.com>
11 // B, Jayachandran <jayachandran.b@intel.com>
12 // Abdullah, Omair M <omair.m.abdullah@intel.com>
13 // Jin, Yao <yao.jin@intel.com>
14 // Lin, Mengdong <mengdong.lin@intel.com>
16 // Add support to read audio firmware topology alongside firmware text. The
17 // topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
18 // equalizers, firmware, coefficients etc.
20 // This file only manages the core ALSA and ASoC components, all other bespoke
21 // firmware topology data is passed to component drivers for bespoke handling.
23 #include <linux/kernel.h>
24 #include <linux/export.h>
25 #include <linux/list.h>
26 #include <linux/firmware.h>
27 #include <linux/slab.h>
28 #include <sound/soc.h>
29 #include <sound/soc-dapm.h>
30 #include <sound/soc-topology.h>
31 #include <sound/tlv.h>
34 * We make several passes over the data (since it wont necessarily be ordered)
35 * and process objects in the following order. This guarantees the component
36 * drivers will be ready with any vendor data before the mixers and DAPM objects
37 * are loaded (that may make use of the vendor data).
39 #define SOC_TPLG_PASS_MANIFEST 0
40 #define SOC_TPLG_PASS_VENDOR 1
41 #define SOC_TPLG_PASS_MIXER 2
42 #define SOC_TPLG_PASS_WIDGET 3
43 #define SOC_TPLG_PASS_PCM_DAI 4
44 #define SOC_TPLG_PASS_GRAPH 5
45 #define SOC_TPLG_PASS_PINS 6
46 #define SOC_TPLG_PASS_BE_DAI 7
47 #define SOC_TPLG_PASS_LINK 8
49 #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
50 #define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
52 /* topology context */
54 const struct firmware *fw;
56 /* runtime FW parsing */
57 const u8 *pos; /* read postion */
58 const u8 *hdr_pos; /* header position */
59 unsigned int pass; /* pass number */
61 /* component caller */
63 struct snd_soc_component *comp;
64 u32 index; /* current block index */
65 u32 req_index; /* required index, only loaded/free matching blocks */
67 /* vendor specific kcontrol operations */
68 const struct snd_soc_tplg_kcontrol_ops *io_ops;
71 /* vendor specific bytes ext handlers, for TLV bytes controls */
72 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
73 int bytes_ext_ops_count;
75 /* optional fw loading callbacks to component drivers */
76 struct snd_soc_tplg_ops *ops;
79 static int soc_tplg_process_headers(struct soc_tplg *tplg);
80 static void soc_tplg_complete(struct soc_tplg *tplg);
81 struct snd_soc_dapm_widget *
82 snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
83 const struct snd_soc_dapm_widget *widget);
84 struct snd_soc_dapm_widget *
85 snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
86 const struct snd_soc_dapm_widget *widget);
88 /* check we dont overflow the data for this control chunk */
89 static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
90 unsigned int count, size_t bytes, const char *elem_type)
92 const u8 *end = tplg->pos + elem_size * count;
94 if (end > tplg->fw->data + tplg->fw->size) {
95 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
100 /* check there is enough room in chunk for control.
101 extra bytes at the end of control are for vendor data here */
102 if (elem_size * count > bytes) {
104 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
105 elem_type, count, elem_size, bytes);
112 static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
114 const u8 *end = tplg->hdr_pos;
116 if (end >= tplg->fw->data + tplg->fw->size)
121 static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
123 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
126 static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
128 return (unsigned long)(tplg->pos - tplg->fw->data);
131 /* mapping of Kcontrol types and associated operations. */
132 static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
133 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
134 snd_soc_put_volsw, snd_soc_info_volsw},
135 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
136 snd_soc_put_volsw_sx, NULL},
137 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, snd_soc_info_enum_double},
139 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
140 snd_soc_put_enum_double, NULL},
141 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
142 snd_soc_bytes_put, snd_soc_bytes_info},
143 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
144 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
145 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
146 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
147 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
148 snd_soc_put_strobe, NULL},
149 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
150 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
151 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
156 snd_soc_dapm_put_enum_double, NULL},
157 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
158 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
161 struct soc_tplg_map {
166 /* mapping of widget types from UAPI IDs to kernel IDs */
167 static const struct soc_tplg_map dapm_map[] = {
168 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
169 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
170 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
171 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
172 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
173 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
174 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
175 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
176 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
177 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
178 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
179 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
180 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
181 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
182 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
183 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
184 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
185 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
186 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
187 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
188 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
189 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
190 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
191 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
194 static int tplc_chan_get_reg(struct soc_tplg *tplg,
195 struct snd_soc_tplg_channel *chan, int map)
199 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
200 if (chan[i].id == map)
207 static int tplc_chan_get_shift(struct soc_tplg *tplg,
208 struct snd_soc_tplg_channel *chan, int map)
212 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
213 if (chan[i].id == map)
214 return chan[i].shift;
220 static int get_widget_id(int tplg_type)
224 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
225 if (tplg_type == dapm_map[i].uid)
226 return dapm_map[i].kid;
232 static inline void soc_bind_err(struct soc_tplg *tplg,
233 struct snd_soc_tplg_ctl_hdr *hdr, int index)
236 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
237 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
238 soc_tplg_get_offset(tplg));
241 static inline void soc_control_err(struct soc_tplg *tplg,
242 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
245 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
246 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
247 soc_tplg_get_offset(tplg));
250 /* pass vendor data to component driver for processing */
251 static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
252 struct snd_soc_tplg_hdr *hdr)
256 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
257 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
259 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
266 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
267 soc_tplg_get_hdr_offset(tplg),
268 soc_tplg_get_hdr_offset(tplg),
269 hdr->type, hdr->vendor_type);
273 /* pass vendor data to component driver for processing */
274 static int soc_tplg_vendor_load(struct soc_tplg *tplg,
275 struct snd_soc_tplg_hdr *hdr)
277 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
280 return soc_tplg_vendor_load_(tplg, hdr);
283 /* optionally pass new dynamic widget to component driver. This is mainly for
284 * external widgets where we can assign private data/ops */
285 static int soc_tplg_widget_load(struct soc_tplg *tplg,
286 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
288 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
289 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
295 /* optionally pass new dynamic widget to component driver. This is mainly for
296 * external widgets where we can assign private data/ops */
297 static int soc_tplg_widget_ready(struct soc_tplg *tplg,
298 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
300 if (tplg->comp && tplg->ops && tplg->ops->widget_ready)
301 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
307 /* pass DAI configurations to component driver for extra initialization */
308 static int soc_tplg_dai_load(struct soc_tplg *tplg,
309 struct snd_soc_dai_driver *dai_drv,
310 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
312 if (tplg->comp && tplg->ops && tplg->ops->dai_load)
313 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
319 /* pass link configurations to component driver for extra initialization */
320 static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
321 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
323 if (tplg->comp && tplg->ops && tplg->ops->link_load)
324 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
329 /* tell the component driver that all firmware has been loaded in this request */
330 static void soc_tplg_complete(struct soc_tplg *tplg)
332 if (tplg->comp && tplg->ops && tplg->ops->complete)
333 tplg->ops->complete(tplg->comp);
336 /* add a dynamic kcontrol */
337 static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
338 const struct snd_kcontrol_new *control_new, const char *prefix,
339 void *data, struct snd_kcontrol **kcontrol)
343 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
344 if (*kcontrol == NULL) {
345 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
350 err = snd_ctl_add(card, *kcontrol);
352 dev_err(dev, "ASoC: Failed to add %s: %d\n",
353 control_new->name, err);
360 /* add a dynamic kcontrol for component driver */
361 static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
362 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
364 struct snd_soc_component *comp = tplg->comp;
366 return soc_tplg_add_dcontrol(comp->card->snd_card,
367 comp->dev, k, comp->name_prefix, comp, kcontrol);
370 /* remove a mixer kcontrol */
371 static void remove_mixer(struct snd_soc_component *comp,
372 struct snd_soc_dobj *dobj, int pass)
374 struct snd_card *card = comp->card->snd_card;
375 struct soc_mixer_control *sm =
376 container_of(dobj, struct soc_mixer_control, dobj);
377 const unsigned int *p = NULL;
379 if (pass != SOC_TPLG_PASS_MIXER)
382 if (dobj->ops && dobj->ops->control_unload)
383 dobj->ops->control_unload(comp, dobj);
385 if (sm->dobj.control.kcontrol->tlv.p)
386 p = sm->dobj.control.kcontrol->tlv.p;
387 snd_ctl_remove(card, sm->dobj.control.kcontrol);
388 list_del(&sm->dobj.list);
393 /* remove an enum kcontrol */
394 static void remove_enum(struct snd_soc_component *comp,
395 struct snd_soc_dobj *dobj, int pass)
397 struct snd_card *card = comp->card->snd_card;
398 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
401 if (pass != SOC_TPLG_PASS_MIXER)
404 if (dobj->ops && dobj->ops->control_unload)
405 dobj->ops->control_unload(comp, dobj);
407 snd_ctl_remove(card, se->dobj.control.kcontrol);
408 list_del(&se->dobj.list);
410 kfree(se->dobj.control.dvalues);
411 for (i = 0; i < se->items; i++)
412 kfree(se->dobj.control.dtexts[i]);
416 /* remove a byte kcontrol */
417 static void remove_bytes(struct snd_soc_component *comp,
418 struct snd_soc_dobj *dobj, int pass)
420 struct snd_card *card = comp->card->snd_card;
421 struct soc_bytes_ext *sb =
422 container_of(dobj, struct soc_bytes_ext, dobj);
424 if (pass != SOC_TPLG_PASS_MIXER)
427 if (dobj->ops && dobj->ops->control_unload)
428 dobj->ops->control_unload(comp, dobj);
430 snd_ctl_remove(card, sb->dobj.control.kcontrol);
431 list_del(&sb->dobj.list);
435 /* remove a widget and it's kcontrols - routes must be removed first */
436 static void remove_widget(struct snd_soc_component *comp,
437 struct snd_soc_dobj *dobj, int pass)
439 struct snd_card *card = comp->card->snd_card;
440 struct snd_soc_dapm_widget *w =
441 container_of(dobj, struct snd_soc_dapm_widget, dobj);
444 if (pass != SOC_TPLG_PASS_WIDGET)
447 if (dobj->ops && dobj->ops->widget_unload)
448 dobj->ops->widget_unload(comp, dobj);
454 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
455 * The enum may either have an array of values or strings.
457 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
458 /* enumerated widget mixer */
459 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
460 struct snd_kcontrol *kcontrol = w->kcontrols[i];
461 struct soc_enum *se =
462 (struct soc_enum *)kcontrol->private_value;
465 snd_ctl_remove(card, kcontrol);
467 kfree(se->dobj.control.dvalues);
468 for (j = 0; j < se->items; j++)
469 kfree(se->dobj.control.dtexts[j]);
472 kfree(w->kcontrol_news[i].name);
475 /* volume mixer or bytes controls */
476 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
477 struct snd_kcontrol *kcontrol = w->kcontrols[i];
479 if (dobj->widget.kcontrol_type
480 == SND_SOC_TPLG_TYPE_MIXER)
481 kfree(kcontrol->tlv.p);
483 /* Private value is used as struct soc_mixer_control
484 * for volume mixers or soc_bytes_ext for bytes
487 kfree((void *)kcontrol->private_value);
488 snd_ctl_remove(card, kcontrol);
489 kfree(w->kcontrol_news[i].name);
494 kfree(w->kcontrol_news);
496 /* widget w is freed by soc-dapm.c */
499 /* remove DAI configurations */
500 static void remove_dai(struct snd_soc_component *comp,
501 struct snd_soc_dobj *dobj, int pass)
503 struct snd_soc_dai_driver *dai_drv =
504 container_of(dobj, struct snd_soc_dai_driver, dobj);
506 if (pass != SOC_TPLG_PASS_PCM_DAI)
509 if (dobj->ops && dobj->ops->dai_unload)
510 dobj->ops->dai_unload(comp, dobj);
512 kfree(dai_drv->name);
513 list_del(&dobj->list);
517 /* remove link configurations */
518 static void remove_link(struct snd_soc_component *comp,
519 struct snd_soc_dobj *dobj, int pass)
521 struct snd_soc_dai_link *link =
522 container_of(dobj, struct snd_soc_dai_link, dobj);
524 if (pass != SOC_TPLG_PASS_PCM_DAI)
527 if (dobj->ops && dobj->ops->link_unload)
528 dobj->ops->link_unload(comp, dobj);
531 kfree(link->stream_name);
532 kfree(link->cpu_dai_name);
534 list_del(&dobj->list);
535 snd_soc_remove_dai_link(comp->card, link);
539 /* bind a kcontrol to it's IO handlers */
540 static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
541 struct snd_kcontrol_new *k,
542 const struct soc_tplg *tplg)
544 const struct snd_soc_tplg_kcontrol_ops *ops;
545 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
548 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
549 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
550 && (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ
551 || k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
552 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
553 struct soc_bytes_ext *sbe;
554 struct snd_soc_tplg_bytes_control *be;
556 sbe = (struct soc_bytes_ext *)k->private_value;
557 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
559 /* TLV bytes controls need standard kcontrol info handler,
560 * TLV callback and extended put/get handlers.
562 k->info = snd_soc_bytes_info_ext;
563 k->tlv.c = snd_soc_bytes_tlv_callback;
565 ext_ops = tplg->bytes_ext_ops;
566 num_ops = tplg->bytes_ext_ops_count;
567 for (i = 0; i < num_ops; i++) {
568 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
569 sbe->put = ext_ops[i].put;
570 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
571 sbe->get = ext_ops[i].get;
574 if (sbe->put && sbe->get)
580 /* try and map vendor specific kcontrol handlers first */
582 num_ops = tplg->io_ops_count;
583 for (i = 0; i < num_ops; i++) {
585 if (k->put == NULL && ops[i].id == hdr->ops.put)
587 if (k->get == NULL && ops[i].id == hdr->ops.get)
589 if (k->info == NULL && ops[i].id == hdr->ops.info)
590 k->info = ops[i].info;
593 /* vendor specific handlers found ? */
594 if (k->put && k->get && k->info)
597 /* none found so try standard kcontrol handlers */
599 num_ops = ARRAY_SIZE(io_ops);
600 for (i = 0; i < num_ops; i++) {
602 if (k->put == NULL && ops[i].id == hdr->ops.put)
604 if (k->get == NULL && ops[i].id == hdr->ops.get)
606 if (k->info == NULL && ops[i].id == hdr->ops.info)
607 k->info = ops[i].info;
610 /* standard handlers found ? */
611 if (k->put && k->get && k->info)
614 /* nothing to bind */
618 /* bind a widgets to it's evnt handlers */
619 int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
620 const struct snd_soc_tplg_widget_events *events,
621 int num_events, u16 event_type)
627 for (i = 0; i < num_events; i++) {
628 if (event_type == events[i].type) {
630 /* found - so assign event */
631 w->event = events[i].event_handler;
639 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
641 /* optionally pass new dynamic kcontrol to component driver. */
642 static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
643 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
645 if (tplg->comp && tplg->ops && tplg->ops->control_load)
646 return tplg->ops->control_load(tplg->comp, tplg->index, k,
653 static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
654 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
656 unsigned int item_len = 2 * sizeof(unsigned int);
659 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
663 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
666 p[3] = (scale->step & TLV_DB_SCALE_MASK)
667 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
669 kc->tlv.p = (void *)p;
673 static int soc_tplg_create_tlv(struct soc_tplg *tplg,
674 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
676 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
678 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
681 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
683 switch (tplg_tlv->type) {
684 case SNDRV_CTL_TLVT_DB_SCALE:
685 return soc_tplg_create_tlv_db_scale(tplg, kc,
688 /* TODO: add support for other TLV types */
690 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
699 static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
700 struct snd_kcontrol_new *kc)
705 static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
708 struct snd_soc_tplg_bytes_control *be;
709 struct soc_bytes_ext *sbe;
710 struct snd_kcontrol_new kc;
713 if (soc_tplg_check_elem_count(tplg,
714 sizeof(struct snd_soc_tplg_bytes_control), count,
715 size, "mixer bytes")) {
716 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
721 for (i = 0; i < count; i++) {
722 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
724 /* validate kcontrol */
725 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
726 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
729 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
733 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
737 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
738 be->hdr.name, be->hdr.access);
740 memset(&kc, 0, sizeof(kc));
741 kc.name = be->hdr.name;
742 kc.private_value = (long)sbe;
743 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
744 kc.access = be->hdr.access;
747 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
748 sbe->dobj.ops = tplg->ops;
749 INIT_LIST_HEAD(&sbe->dobj.list);
751 /* map io handlers */
752 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
754 soc_control_err(tplg, &be->hdr, be->hdr.name);
759 /* pass control to driver for optional further init */
760 err = soc_tplg_init_kcontrol(tplg, &kc,
761 (struct snd_soc_tplg_ctl_hdr *)be);
763 dev_err(tplg->dev, "ASoC: failed to init %s\n",
769 /* register control here */
770 err = soc_tplg_add_kcontrol(tplg, &kc,
771 &sbe->dobj.control.kcontrol);
773 dev_err(tplg->dev, "ASoC: failed to add %s\n",
779 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
785 static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
788 struct snd_soc_tplg_mixer_control *mc;
789 struct soc_mixer_control *sm;
790 struct snd_kcontrol_new kc;
793 if (soc_tplg_check_elem_count(tplg,
794 sizeof(struct snd_soc_tplg_mixer_control),
795 count, size, "mixers")) {
797 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
802 for (i = 0; i < count; i++) {
803 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
805 /* validate kcontrol */
806 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
807 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
810 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
813 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
817 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
818 mc->hdr.name, mc->hdr.access);
820 memset(&kc, 0, sizeof(kc));
821 kc.name = mc->hdr.name;
822 kc.private_value = (long)sm;
823 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
824 kc.access = mc->hdr.access;
826 /* we only support FL/FR channel mapping atm */
827 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
829 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
831 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
833 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
838 sm->invert = mc->invert;
839 sm->platform_max = mc->platform_max;
840 sm->dobj.index = tplg->index;
841 sm->dobj.ops = tplg->ops;
842 sm->dobj.type = SND_SOC_DOBJ_MIXER;
843 INIT_LIST_HEAD(&sm->dobj.list);
845 /* map io handlers */
846 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
848 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
853 /* pass control to driver for optional further init */
854 err = soc_tplg_init_kcontrol(tplg, &kc,
855 (struct snd_soc_tplg_ctl_hdr *) mc);
857 dev_err(tplg->dev, "ASoC: failed to init %s\n",
863 /* create any TLV data */
864 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
866 /* register control here */
867 err = soc_tplg_add_kcontrol(tplg, &kc,
868 &sm->dobj.control.kcontrol);
870 dev_err(tplg->dev, "ASoC: failed to add %s\n",
872 soc_tplg_free_tlv(tplg, &kc);
877 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
883 static int soc_tplg_denum_create_texts(struct soc_enum *se,
884 struct snd_soc_tplg_enum_control *ec)
888 se->dobj.control.dtexts =
889 kcalloc(ec->items, sizeof(char *), GFP_KERNEL);
890 if (se->dobj.control.dtexts == NULL)
893 for (i = 0; i < ec->items; i++) {
895 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
896 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
901 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
902 if (!se->dobj.control.dtexts[i]) {
908 se->texts = (const char * const *)se->dobj.control.dtexts;
912 for (--i; i >= 0; i--)
913 kfree(se->dobj.control.dtexts[i]);
914 kfree(se->dobj.control.dtexts);
918 static int soc_tplg_denum_create_values(struct soc_enum *se,
919 struct snd_soc_tplg_enum_control *ec)
921 if (ec->items > sizeof(*ec->values))
924 se->dobj.control.dvalues = kmemdup(ec->values,
925 ec->items * sizeof(u32),
927 if (!se->dobj.control.dvalues)
933 static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
936 struct snd_soc_tplg_enum_control *ec;
938 struct snd_kcontrol_new kc;
941 if (soc_tplg_check_elem_count(tplg,
942 sizeof(struct snd_soc_tplg_enum_control),
943 count, size, "enums")) {
945 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
950 for (i = 0; i < count; i++) {
951 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
952 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
955 /* validate kcontrol */
956 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
957 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
960 se = kzalloc((sizeof(*se)), GFP_KERNEL);
964 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
965 ec->hdr.name, ec->items);
967 memset(&kc, 0, sizeof(kc));
968 kc.name = ec->hdr.name;
969 kc.private_value = (long)se;
970 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
971 kc.access = ec->hdr.access;
973 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
974 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
976 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
979 se->items = ec->items;
981 se->dobj.index = tplg->index;
982 se->dobj.type = SND_SOC_DOBJ_ENUM;
983 se->dobj.ops = tplg->ops;
984 INIT_LIST_HEAD(&se->dobj.list);
986 switch (ec->hdr.ops.info) {
987 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
988 case SND_SOC_TPLG_CTL_ENUM_VALUE:
989 err = soc_tplg_denum_create_values(se, ec);
992 "ASoC: could not create values for %s\n",
997 /* fall through and create texts */
998 case SND_SOC_TPLG_CTL_ENUM:
999 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1000 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1001 err = soc_tplg_denum_create_texts(se, ec);
1004 "ASoC: could not create texts for %s\n",
1012 "ASoC: invalid enum control type %d for %s\n",
1013 ec->hdr.ops.info, ec->hdr.name);
1018 /* map io handlers */
1019 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
1021 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1026 /* pass control to driver for optional further init */
1027 err = soc_tplg_init_kcontrol(tplg, &kc,
1028 (struct snd_soc_tplg_ctl_hdr *) ec);
1030 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1036 /* register control here */
1037 ret = soc_tplg_add_kcontrol(tplg,
1038 &kc, &se->dobj.control.kcontrol);
1040 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1046 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1052 static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1053 struct snd_soc_tplg_hdr *hdr)
1055 struct snd_soc_tplg_ctl_hdr *control_hdr;
1058 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1059 tplg->pos += hdr->size + hdr->payload_size;
1063 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1064 soc_tplg_get_offset(tplg));
1066 for (i = 0; i < hdr->count; i++) {
1068 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1070 if (control_hdr->size != sizeof(*control_hdr)) {
1071 dev_err(tplg->dev, "ASoC: invalid control size\n");
1075 switch (control_hdr->ops.info) {
1076 case SND_SOC_TPLG_CTL_VOLSW:
1077 case SND_SOC_TPLG_CTL_STROBE:
1078 case SND_SOC_TPLG_CTL_VOLSW_SX:
1079 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1080 case SND_SOC_TPLG_CTL_RANGE:
1081 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1082 case SND_SOC_TPLG_DAPM_CTL_PIN:
1083 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1085 case SND_SOC_TPLG_CTL_ENUM:
1086 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1087 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1088 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1089 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1090 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1092 case SND_SOC_TPLG_CTL_BYTES:
1093 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1096 soc_bind_err(tplg, control_hdr, i);
1104 /* optionally pass new dynamic kcontrol to component driver. */
1105 static int soc_tplg_add_route(struct soc_tplg *tplg,
1106 struct snd_soc_dapm_route *route)
1108 if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
1109 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1115 static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1116 struct snd_soc_tplg_hdr *hdr)
1118 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1119 struct snd_soc_dapm_route route;
1120 struct snd_soc_tplg_dapm_graph_elem *elem;
1121 int count = hdr->count, i;
1123 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1124 tplg->pos += hdr->size + hdr->payload_size;
1128 if (soc_tplg_check_elem_count(tplg,
1129 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1130 count, hdr->payload_size, "graph")) {
1132 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1137 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1140 for (i = 0; i < count; i++) {
1141 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1142 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1144 /* validate routes */
1145 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1146 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1148 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1149 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1151 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1152 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1155 route.source = elem->source;
1156 route.sink = elem->sink;
1157 route.connected = NULL; /* set to NULL atm for tplg users */
1158 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1159 route.control = NULL;
1161 route.control = elem->control;
1163 soc_tplg_add_route(tplg, &route);
1165 /* add route, but keep going if some fail */
1166 snd_soc_dapm_add_routes(dapm, &route, 1);
1172 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1173 struct soc_tplg *tplg, int num_kcontrols)
1175 struct snd_kcontrol_new *kc;
1176 struct soc_mixer_control *sm;
1177 struct snd_soc_tplg_mixer_control *mc;
1180 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1184 for (i = 0; i < num_kcontrols; i++) {
1185 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1186 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1190 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1193 /* validate kcontrol */
1194 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1195 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1198 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1201 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1202 if (kc[i].name == NULL)
1204 kc[i].private_value = (long)sm;
1205 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1206 kc[i].access = mc->hdr.access;
1208 /* we only support FL/FR channel mapping atm */
1209 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1211 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1213 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1215 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1220 sm->invert = mc->invert;
1221 sm->platform_max = mc->platform_max;
1222 sm->dobj.index = tplg->index;
1223 INIT_LIST_HEAD(&sm->dobj.list);
1225 /* map io handlers */
1226 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
1228 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1233 /* pass control to driver for optional further init */
1234 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1235 (struct snd_soc_tplg_ctl_hdr *)mc);
1237 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1243 /* create any TLV data */
1244 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1251 for (--i; i >= 0; i--) {
1252 kfree((void *)kc[i].private_value);
1259 static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1260 struct soc_tplg *tplg, int num_kcontrols)
1262 struct snd_kcontrol_new *kc;
1263 struct snd_soc_tplg_enum_control *ec;
1264 struct soc_enum *se;
1267 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1271 for (i = 0; i < num_kcontrols; i++) {
1272 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1273 /* validate kcontrol */
1274 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1275 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1278 se = kzalloc(sizeof(*se), GFP_KERNEL);
1282 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1285 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
1286 if (kc[i].name == NULL) {
1290 kc[i].private_value = (long)se;
1291 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1292 kc[i].access = ec->hdr.access;
1294 /* we only support FL/FR channel mapping atm */
1295 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1296 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1298 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1301 se->items = ec->items;
1302 se->mask = ec->mask;
1303 se->dobj.index = tplg->index;
1305 switch (ec->hdr.ops.info) {
1306 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1307 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1308 err = soc_tplg_denum_create_values(se, ec);
1310 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1314 /* fall through to create texts */
1315 case SND_SOC_TPLG_CTL_ENUM:
1316 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1317 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1318 err = soc_tplg_denum_create_texts(se, ec);
1320 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1326 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1327 ec->hdr.ops.info, ec->hdr.name);
1331 /* map io handlers */
1332 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1334 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1338 /* pass control to driver for optional further init */
1339 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1340 (struct snd_soc_tplg_ctl_hdr *)ec);
1342 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1347 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1354 for (; i >= 0; i--) {
1355 /* free values and texts */
1356 se = (struct soc_enum *)kc[i].private_value;
1360 kfree(se->dobj.control.dvalues);
1361 for (j = 0; j < ec->items; j++)
1362 kfree(se->dobj.control.dtexts[j]);
1373 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1374 struct soc_tplg *tplg, int count)
1376 struct snd_soc_tplg_bytes_control *be;
1377 struct soc_bytes_ext *sbe;
1378 struct snd_kcontrol_new *kc;
1381 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
1385 for (i = 0; i < count; i++) {
1386 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1388 /* validate kcontrol */
1389 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1390 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1393 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1397 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1401 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1402 be->hdr.name, be->hdr.access);
1404 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
1405 if (kc[i].name == NULL) {
1409 kc[i].private_value = (long)sbe;
1410 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1411 kc[i].access = be->hdr.access;
1414 INIT_LIST_HEAD(&sbe->dobj.list);
1416 /* map standard io handlers and check for external handlers */
1417 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
1419 soc_control_err(tplg, &be->hdr, be->hdr.name);
1424 /* pass control to driver for optional further init */
1425 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1426 (struct snd_soc_tplg_ctl_hdr *)be);
1428 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1438 for (--i; i >= 0; i--) {
1439 kfree((void *)kc[i].private_value);
1447 static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1448 struct snd_soc_tplg_dapm_widget *w)
1450 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1451 struct snd_soc_dapm_widget template, *widget;
1452 struct snd_soc_tplg_ctl_hdr *control_hdr;
1453 struct snd_soc_card *card = tplg->comp->card;
1454 unsigned int kcontrol_type;
1457 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1458 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1460 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1461 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1464 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1467 memset(&template, 0, sizeof(template));
1469 /* map user to kernel widget ID */
1470 template.id = get_widget_id(w->id);
1471 if (template.id < 0)
1474 /* strings are allocated here, but used and freed by the widget */
1475 template.name = kstrdup(w->name, GFP_KERNEL);
1478 template.sname = kstrdup(w->sname, GFP_KERNEL);
1479 if (!template.sname) {
1483 template.reg = w->reg;
1484 template.shift = w->shift;
1485 template.mask = w->mask;
1486 template.subseq = w->subseq;
1487 template.on_val = w->invert ? 0 : 1;
1488 template.off_val = w->invert ? 1 : 0;
1489 template.ignore_suspend = w->ignore_suspend;
1490 template.event_flags = w->event_flags;
1491 template.dobj.index = tplg->index;
1494 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1495 if (w->num_kcontrols == 0) {
1497 template.num_kcontrols = 0;
1501 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1502 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1503 w->name, w->num_kcontrols, control_hdr->type);
1505 switch (control_hdr->ops.info) {
1506 case SND_SOC_TPLG_CTL_VOLSW:
1507 case SND_SOC_TPLG_CTL_STROBE:
1508 case SND_SOC_TPLG_CTL_VOLSW_SX:
1509 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1510 case SND_SOC_TPLG_CTL_RANGE:
1511 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1512 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
1513 template.num_kcontrols = w->num_kcontrols;
1514 template.kcontrol_news =
1515 soc_tplg_dapm_widget_dmixer_create(tplg,
1516 template.num_kcontrols);
1517 if (!template.kcontrol_news) {
1522 case SND_SOC_TPLG_CTL_ENUM:
1523 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1524 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1525 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1526 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1527 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1528 template.num_kcontrols = w->num_kcontrols;
1529 template.kcontrol_news =
1530 soc_tplg_dapm_widget_denum_create(tplg,
1531 template.num_kcontrols);
1532 if (!template.kcontrol_news) {
1537 case SND_SOC_TPLG_CTL_BYTES:
1538 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
1539 template.num_kcontrols = w->num_kcontrols;
1540 template.kcontrol_news =
1541 soc_tplg_dapm_widget_dbytes_create(tplg,
1542 template.num_kcontrols);
1543 if (!template.kcontrol_news) {
1549 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1550 control_hdr->ops.get, control_hdr->ops.put,
1551 control_hdr->ops.info);
1557 ret = soc_tplg_widget_load(tplg, &template, w);
1561 /* card dapm mutex is held by the core if we are loading topology
1562 * data during sound card init. */
1563 if (card->instantiated)
1564 widget = snd_soc_dapm_new_control(dapm, &template);
1566 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
1567 if (IS_ERR(widget)) {
1568 ret = PTR_ERR(widget);
1569 /* Do not nag about probe deferrals */
1570 if (ret != -EPROBE_DEFER)
1572 "ASoC: failed to create widget %s controls (%d)\n",
1576 if (widget == NULL) {
1577 dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n",
1583 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
1584 widget->dobj.widget.kcontrol_type = kcontrol_type;
1585 widget->dobj.ops = tplg->ops;
1586 widget->dobj.index = tplg->index;
1587 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
1589 ret = soc_tplg_widget_ready(tplg, widget, w);
1596 snd_soc_tplg_widget_remove(widget);
1597 snd_soc_dapm_free_widget(widget);
1599 kfree(template.sname);
1601 kfree(template.name);
1605 static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1606 struct snd_soc_tplg_hdr *hdr)
1608 struct snd_soc_tplg_dapm_widget *widget;
1609 int ret, count = hdr->count, i;
1611 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1614 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1616 for (i = 0; i < count; i++) {
1617 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1618 if (widget->size != sizeof(*widget)) {
1619 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1623 ret = soc_tplg_dapm_widget_create(tplg, widget);
1625 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1634 static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1636 struct snd_soc_card *card = tplg->comp->card;
1639 /* Card might not have been registered at this point.
1640 * If so, just return success.
1642 if (!card || !card->instantiated) {
1643 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
1644 " widget card binding deferred\n");
1648 ret = snd_soc_dapm_new_widgets(card);
1650 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1656 static void set_stream_info(struct snd_soc_pcm_stream *stream,
1657 struct snd_soc_tplg_stream_caps *caps)
1659 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1660 stream->channels_min = caps->channels_min;
1661 stream->channels_max = caps->channels_max;
1662 stream->rates = caps->rates;
1663 stream->rate_min = caps->rate_min;
1664 stream->rate_max = caps->rate_max;
1665 stream->formats = caps->formats;
1666 stream->sig_bits = caps->sig_bits;
1669 static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1670 unsigned int flag_mask, unsigned int flags)
1672 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1673 dai_drv->symmetric_rates =
1674 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1676 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1677 dai_drv->symmetric_channels =
1678 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1681 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1682 dai_drv->symmetric_samplebits =
1683 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1687 static int soc_tplg_dai_create(struct soc_tplg *tplg,
1688 struct snd_soc_tplg_pcm *pcm)
1690 struct snd_soc_dai_driver *dai_drv;
1691 struct snd_soc_pcm_stream *stream;
1692 struct snd_soc_tplg_stream_caps *caps;
1695 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1696 if (dai_drv == NULL)
1699 if (strlen(pcm->dai_name))
1700 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
1701 dai_drv->id = pcm->dai_id;
1703 if (pcm->playback) {
1704 stream = &dai_drv->playback;
1705 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
1706 set_stream_info(stream, caps);
1710 stream = &dai_drv->capture;
1711 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
1712 set_stream_info(stream, caps);
1716 dai_drv->compress_new = snd_soc_new_compress;
1718 /* pass control to component driver for optional further init */
1719 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
1721 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1726 dai_drv->dobj.index = tplg->index;
1727 dai_drv->dobj.ops = tplg->ops;
1728 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1729 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1731 /* register the DAI to the component */
1732 return snd_soc_register_dai(tplg->comp, dai_drv);
1735 static void set_link_flags(struct snd_soc_dai_link *link,
1736 unsigned int flag_mask, unsigned int flags)
1738 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1739 link->symmetric_rates =
1740 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1742 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1743 link->symmetric_channels =
1744 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1747 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1748 link->symmetric_samplebits =
1749 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1752 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1753 link->ignore_suspend =
1754 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1758 /* create the FE DAI link */
1759 static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
1760 struct snd_soc_tplg_pcm *pcm)
1762 struct snd_soc_dai_link *link;
1765 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1769 if (strlen(pcm->pcm_name)) {
1770 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1771 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1773 link->id = pcm->pcm_id;
1775 if (strlen(pcm->dai_name))
1776 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1778 link->codec_name = "snd-soc-dummy";
1779 link->codec_dai_name = "snd-soc-dummy-dai";
1783 link->dpcm_playback = pcm->playback;
1784 link->dpcm_capture = pcm->capture;
1786 set_link_flags(link, pcm->flag_mask, pcm->flags);
1788 /* pass control to component driver for optional further init */
1789 ret = soc_tplg_dai_link_load(tplg, link, NULL);
1791 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1796 link->dobj.index = tplg->index;
1797 link->dobj.ops = tplg->ops;
1798 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1799 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1801 snd_soc_add_dai_link(tplg->comp->card, link);
1805 /* create a FE DAI and DAI link from the PCM object */
1806 static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1807 struct snd_soc_tplg_pcm *pcm)
1811 ret = soc_tplg_dai_create(tplg, pcm);
1815 return soc_tplg_fe_link_create(tplg, pcm);
1818 /* copy stream caps from the old version 4 of source */
1819 static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1820 struct snd_soc_tplg_stream_caps_v4 *src)
1822 dest->size = sizeof(*dest);
1823 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1824 dest->formats = src->formats;
1825 dest->rates = src->rates;
1826 dest->rate_min = src->rate_min;
1827 dest->rate_max = src->rate_max;
1828 dest->channels_min = src->channels_min;
1829 dest->channels_max = src->channels_max;
1830 dest->periods_min = src->periods_min;
1831 dest->periods_max = src->periods_max;
1832 dest->period_size_min = src->period_size_min;
1833 dest->period_size_max = src->period_size_max;
1834 dest->buffer_size_min = src->buffer_size_min;
1835 dest->buffer_size_max = src->buffer_size_max;
1839 * pcm_new_ver - Create the new version of PCM from the old version.
1840 * @tplg: topology context
1841 * @src: older version of pcm as a source
1842 * @pcm: latest version of pcm created from the source
1844 * Support from vesion 4. User should free the returned pcm manually.
1846 static int pcm_new_ver(struct soc_tplg *tplg,
1847 struct snd_soc_tplg_pcm *src,
1848 struct snd_soc_tplg_pcm **pcm)
1850 struct snd_soc_tplg_pcm *dest;
1851 struct snd_soc_tplg_pcm_v4 *src_v4;
1856 if (src->size != sizeof(*src_v4)) {
1857 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1861 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1862 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1863 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1867 dest->size = sizeof(*dest); /* size of latest abi version */
1868 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1869 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1870 dest->pcm_id = src_v4->pcm_id;
1871 dest->dai_id = src_v4->dai_id;
1872 dest->playback = src_v4->playback;
1873 dest->capture = src_v4->capture;
1874 dest->compress = src_v4->compress;
1875 dest->num_streams = src_v4->num_streams;
1876 for (i = 0; i < dest->num_streams; i++)
1877 memcpy(&dest->stream[i], &src_v4->stream[i],
1878 sizeof(struct snd_soc_tplg_stream));
1880 for (i = 0; i < 2; i++)
1881 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1887 static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
1888 struct snd_soc_tplg_hdr *hdr)
1890 struct snd_soc_tplg_pcm *pcm, *_pcm;
1891 int count = hdr->count;
1896 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1899 /* check the element size and count */
1900 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1901 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1902 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1903 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1908 if (soc_tplg_check_elem_count(tplg,
1910 hdr->payload_size, "PCM DAI")) {
1911 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1916 for (i = 0; i < count; i++) {
1917 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1919 /* check ABI version by size, create a new version of pcm
1922 if (pcm->size == sizeof(*pcm)) {
1927 ret = pcm_new_ver(tplg, pcm, &_pcm);
1932 /* create the FE DAIs and DAI links */
1933 ret = soc_tplg_pcm_create(tplg, _pcm);
1940 /* offset by version-specific struct size and
1941 * real priv data size
1943 tplg->pos += pcm->size + _pcm->priv.size;
1946 kfree(_pcm); /* free the duplicated one */
1949 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
1955 * set_link_hw_format - Set the HW audio format of the physical DAI link.
1956 * @link: &snd_soc_dai_link which should be updated
1957 * @cfg: physical link configs.
1959 * Topology context contains a list of supported HW formats (configs) and
1960 * a default format ID for the physical link. This function will use this
1961 * default ID to choose the HW format to set the link's DAI format for init.
1963 static void set_link_hw_format(struct snd_soc_dai_link *link,
1964 struct snd_soc_tplg_link_config *cfg)
1966 struct snd_soc_tplg_hw_config *hw_config;
1967 unsigned char bclk_master, fsync_master;
1968 unsigned char invert_bclk, invert_fsync;
1971 for (i = 0; i < cfg->num_hw_configs; i++) {
1972 hw_config = &cfg->hw_config[i];
1973 if (hw_config->id != cfg->default_hw_config_id)
1976 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
1979 switch (hw_config->clock_gated) {
1980 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
1981 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
1984 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
1985 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
1989 /* ignore the value */
1993 /* clock signal polarity */
1994 invert_bclk = hw_config->invert_bclk;
1995 invert_fsync = hw_config->invert_fsync;
1996 if (!invert_bclk && !invert_fsync)
1997 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1998 else if (!invert_bclk && invert_fsync)
1999 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2000 else if (invert_bclk && !invert_fsync)
2001 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2003 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2006 bclk_master = (hw_config->bclk_master ==
2007 SND_SOC_TPLG_BCLK_CM);
2008 fsync_master = (hw_config->fsync_master ==
2009 SND_SOC_TPLG_FSYNC_CM);
2010 if (bclk_master && fsync_master)
2011 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
2012 else if (!bclk_master && fsync_master)
2013 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2014 else if (bclk_master && !fsync_master)
2015 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2017 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2022 * link_new_ver - Create a new physical link config from the old
2023 * version of source.
2024 * @tplg: topology context
2025 * @src: old version of phyical link config as a source
2026 * @link: latest version of physical link config created from the source
2028 * Support from vesion 4. User need free the returned link config manually.
2030 static int link_new_ver(struct soc_tplg *tplg,
2031 struct snd_soc_tplg_link_config *src,
2032 struct snd_soc_tplg_link_config **link)
2034 struct snd_soc_tplg_link_config *dest;
2035 struct snd_soc_tplg_link_config_v4 *src_v4;
2040 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
2041 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2045 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2047 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2048 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2052 dest->size = sizeof(*dest);
2053 dest->id = src_v4->id;
2054 dest->num_streams = src_v4->num_streams;
2055 for (i = 0; i < dest->num_streams; i++)
2056 memcpy(&dest->stream[i], &src_v4->stream[i],
2057 sizeof(struct snd_soc_tplg_stream));
2063 /* Find and configure an existing physical DAI link */
2064 static int soc_tplg_link_config(struct soc_tplg *tplg,
2065 struct snd_soc_tplg_link_config *cfg)
2067 struct snd_soc_dai_link *link;
2068 const char *name, *stream_name;
2072 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2073 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2080 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2081 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2084 stream_name = cfg->stream_name;
2088 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2091 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2097 if (cfg->num_hw_configs)
2098 set_link_hw_format(link, cfg);
2102 set_link_flags(link, cfg->flag_mask, cfg->flags);
2104 /* pass control to component driver for optional further init */
2105 ret = soc_tplg_dai_link_load(tplg, link, cfg);
2107 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2115 /* Load physical link config elements from the topology context */
2116 static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2117 struct snd_soc_tplg_hdr *hdr)
2119 struct snd_soc_tplg_link_config *link, *_link;
2120 int count = hdr->count;
2124 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2125 tplg->pos += hdr->size + hdr->payload_size;
2129 /* check the element size and count */
2130 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2131 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2132 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2133 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2138 if (soc_tplg_check_elem_count(tplg,
2140 hdr->payload_size, "physical link config")) {
2141 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2146 /* config physical DAI links */
2147 for (i = 0; i < count; i++) {
2148 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2149 if (link->size == sizeof(*link)) {
2154 ret = link_new_ver(tplg, link, &_link);
2159 ret = soc_tplg_link_config(tplg, _link);
2166 /* offset by version-specific struct size and
2167 * real priv data size
2169 tplg->pos += link->size + _link->priv.size;
2172 kfree(_link); /* free the duplicated one */
2179 * soc_tplg_dai_config - Find and configure an existing physical DAI.
2180 * @tplg: topology context
2181 * @d: physical DAI configs.
2183 * The physical dai should already be registered by the platform driver.
2184 * The platform driver should specify the DAI name and ID for matching.
2186 static int soc_tplg_dai_config(struct soc_tplg *tplg,
2187 struct snd_soc_tplg_dai *d)
2189 struct snd_soc_dai_link_component dai_component = {0};
2190 struct snd_soc_dai *dai;
2191 struct snd_soc_dai_driver *dai_drv;
2192 struct snd_soc_pcm_stream *stream;
2193 struct snd_soc_tplg_stream_caps *caps;
2196 dai_component.dai_name = d->dai_name;
2197 dai = snd_soc_find_dai(&dai_component);
2199 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2204 if (d->dai_id != dai->id) {
2205 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2210 dai_drv = dai->driver;
2215 stream = &dai_drv->playback;
2216 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
2217 set_stream_info(stream, caps);
2221 stream = &dai_drv->capture;
2222 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
2223 set_stream_info(stream, caps);
2227 set_dai_flags(dai_drv, d->flag_mask, d->flags);
2229 /* pass control to component driver for optional further init */
2230 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
2232 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2239 /* load physical DAI elements */
2240 static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2241 struct snd_soc_tplg_hdr *hdr)
2243 struct snd_soc_tplg_dai *dai;
2244 int count = hdr->count;
2247 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2250 /* config the existing BE DAIs */
2251 for (i = 0; i < count; i++) {
2252 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2253 if (dai->size != sizeof(*dai)) {
2254 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
2258 soc_tplg_dai_config(tplg, dai);
2259 tplg->pos += (sizeof(*dai) + dai->priv.size);
2262 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2267 * manifest_new_ver - Create a new version of manifest from the old version
2269 * @tplg: topology context
2270 * @src: old version of manifest as a source
2271 * @manifest: latest version of manifest created from the source
2273 * Support from vesion 4. Users need free the returned manifest manually.
2275 static int manifest_new_ver(struct soc_tplg *tplg,
2276 struct snd_soc_tplg_manifest *src,
2277 struct snd_soc_tplg_manifest **manifest)
2279 struct snd_soc_tplg_manifest *dest;
2280 struct snd_soc_tplg_manifest_v4 *src_v4;
2284 if (src->size != sizeof(*src_v4)) {
2285 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
2289 src->size = sizeof(*src_v4);
2292 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2294 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2295 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2299 dest->size = sizeof(*dest); /* size of latest abi version */
2300 dest->control_elems = src_v4->control_elems;
2301 dest->widget_elems = src_v4->widget_elems;
2302 dest->graph_elems = src_v4->graph_elems;
2303 dest->pcm_elems = src_v4->pcm_elems;
2304 dest->dai_link_elems = src_v4->dai_link_elems;
2305 dest->priv.size = src_v4->priv.size;
2306 if (dest->priv.size)
2307 memcpy(dest->priv.data, src_v4->priv.data,
2314 static int soc_tplg_manifest_load(struct soc_tplg *tplg,
2315 struct snd_soc_tplg_hdr *hdr)
2317 struct snd_soc_tplg_manifest *manifest, *_manifest;
2321 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2324 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
2326 /* check ABI version by size, create a new manifest if abi not match */
2327 if (manifest->size == sizeof(*manifest)) {
2329 _manifest = manifest;
2332 ret = manifest_new_ver(tplg, manifest, &_manifest);
2337 /* pass control to component driver for optional further init */
2338 if (tplg->comp && tplg->ops && tplg->ops->manifest)
2339 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
2341 if (!abi_match) /* free the duplicated one */
2347 /* validate header magic, size and type */
2348 static int soc_valid_header(struct soc_tplg *tplg,
2349 struct snd_soc_tplg_hdr *hdr)
2351 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2354 if (hdr->size != sizeof(*hdr)) {
2356 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2357 hdr->type, soc_tplg_get_hdr_offset(tplg),
2362 /* big endian firmware objects not supported atm */
2363 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2365 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2366 tplg->pass, hdr->magic,
2367 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2371 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2373 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2374 tplg->pass, hdr->magic,
2375 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2379 /* Support ABI from version 4 */
2380 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2381 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
2383 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2384 tplg->pass, hdr->abi,
2385 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2390 if (hdr->payload_size == 0) {
2391 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2392 soc_tplg_get_hdr_offset(tplg));
2396 if (tplg->pass == hdr->type)
2398 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2399 hdr->payload_size, hdr->type, hdr->version,
2400 hdr->vendor_type, tplg->pass);
2405 /* check header type and call appropriate handler */
2406 static int soc_tplg_load_header(struct soc_tplg *tplg,
2407 struct snd_soc_tplg_hdr *hdr)
2409 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2411 /* check for matching ID */
2412 if (hdr->index != tplg->req_index &&
2413 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
2416 tplg->index = hdr->index;
2418 switch (hdr->type) {
2419 case SND_SOC_TPLG_TYPE_MIXER:
2420 case SND_SOC_TPLG_TYPE_ENUM:
2421 case SND_SOC_TPLG_TYPE_BYTES:
2422 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2423 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2424 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2425 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2426 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2427 case SND_SOC_TPLG_TYPE_PCM:
2428 return soc_tplg_pcm_elems_load(tplg, hdr);
2429 case SND_SOC_TPLG_TYPE_DAI:
2430 return soc_tplg_dai_elems_load(tplg, hdr);
2431 case SND_SOC_TPLG_TYPE_DAI_LINK:
2432 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2433 /* physical link configurations */
2434 return soc_tplg_link_elems_load(tplg, hdr);
2435 case SND_SOC_TPLG_TYPE_MANIFEST:
2436 return soc_tplg_manifest_load(tplg, hdr);
2438 /* bespoke vendor data object */
2439 return soc_tplg_vendor_load(tplg, hdr);
2445 /* process the topology file headers */
2446 static int soc_tplg_process_headers(struct soc_tplg *tplg)
2448 struct snd_soc_tplg_hdr *hdr;
2451 tplg->pass = SOC_TPLG_PASS_START;
2453 /* process the header types from start to end */
2454 while (tplg->pass <= SOC_TPLG_PASS_END) {
2456 tplg->hdr_pos = tplg->fw->data;
2457 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2459 while (!soc_tplg_is_eof(tplg)) {
2461 /* make sure header is valid before loading */
2462 ret = soc_valid_header(tplg, hdr);
2468 /* load the header object */
2469 ret = soc_tplg_load_header(tplg, hdr);
2473 /* goto next header */
2474 tplg->hdr_pos += hdr->payload_size +
2475 sizeof(struct snd_soc_tplg_hdr);
2476 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2479 /* next data type pass */
2483 /* signal DAPM we are complete */
2484 ret = soc_tplg_dapm_complete(tplg);
2487 "ASoC: failed to initialise DAPM from Firmware\n");
2492 static int soc_tplg_load(struct soc_tplg *tplg)
2496 ret = soc_tplg_process_headers(tplg);
2498 soc_tplg_complete(tplg);
2503 /* load audio component topology from "firmware" file */
2504 int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2505 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2507 struct soc_tplg tplg;
2510 /* setup parsing context */
2511 memset(&tplg, 0, sizeof(tplg));
2513 tplg.dev = comp->dev;
2516 tplg.req_index = id;
2517 tplg.io_ops = ops->io_ops;
2518 tplg.io_ops_count = ops->io_ops_count;
2519 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2520 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2522 ret = soc_tplg_load(&tplg);
2523 /* free the created components if fail to load topology */
2525 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2529 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2531 /* remove this dynamic widget */
2532 void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2534 /* make sure we are a widget */
2535 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2538 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2540 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2542 /* remove all dynamic widgets from this DAPM context */
2543 void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2546 struct snd_soc_dapm_widget *w, *next_w;
2548 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2550 /* make sure we are a widget with correct context */
2551 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2555 if (w->dobj.index != index &&
2556 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2558 /* check and free and dynamic widget kcontrols */
2559 snd_soc_tplg_widget_remove(w);
2560 snd_soc_dapm_free_widget(w);
2562 snd_soc_dapm_reset_cache(dapm);
2564 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2566 /* remove dynamic controls from the component driver */
2567 int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2569 struct snd_card *card = comp->card->snd_card;
2570 struct snd_soc_dobj *dobj, *next_dobj;
2571 int pass = SOC_TPLG_PASS_END;
2573 /* process the header types from end to start */
2574 while (pass >= SOC_TPLG_PASS_START) {
2576 /* remove mixer controls */
2577 down_write(&card->controls_rwsem);
2578 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2582 if (dobj->index != index &&
2583 index != SND_SOC_TPLG_INDEX_ALL)
2586 switch (dobj->type) {
2587 case SND_SOC_DOBJ_MIXER:
2588 remove_mixer(comp, dobj, pass);
2590 case SND_SOC_DOBJ_ENUM:
2591 remove_enum(comp, dobj, pass);
2593 case SND_SOC_DOBJ_BYTES:
2594 remove_bytes(comp, dobj, pass);
2596 case SND_SOC_DOBJ_WIDGET:
2597 remove_widget(comp, dobj, pass);
2599 case SND_SOC_DOBJ_PCM:
2600 remove_dai(comp, dobj, pass);
2602 case SND_SOC_DOBJ_DAI_LINK:
2603 remove_link(comp, dobj, pass);
2606 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2611 up_write(&card->controls_rwsem);
2615 /* let caller know if FW can be freed when no objects are left */
2616 return !list_empty(&comp->dobj_list);
2618 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);