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, NULL, 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 (dobj->control.kcontrol->tlv.p)
386 p = dobj->control.kcontrol->tlv.p;
387 snd_ctl_remove(card, dobj->control.kcontrol);
388 list_del(&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, dobj->control.kcontrol);
408 list_del(&dobj->list);
410 kfree(dobj->control.dvalues);
411 for (i = 0; i < se->items; i++)
412 kfree(dobj->control.dtexts[i]);
413 kfree(dobj->control.dtexts);
417 /* remove a byte kcontrol */
418 static void remove_bytes(struct snd_soc_component *comp,
419 struct snd_soc_dobj *dobj, int pass)
421 struct snd_card *card = comp->card->snd_card;
422 struct soc_bytes_ext *sb =
423 container_of(dobj, struct soc_bytes_ext, dobj);
425 if (pass != SOC_TPLG_PASS_MIXER)
428 if (dobj->ops && dobj->ops->control_unload)
429 dobj->ops->control_unload(comp, dobj);
431 snd_ctl_remove(card, dobj->control.kcontrol);
432 list_del(&dobj->list);
437 static void remove_route(struct snd_soc_component *comp,
438 struct snd_soc_dobj *dobj, int pass)
440 struct snd_soc_dapm_route *route =
441 container_of(dobj, struct snd_soc_dapm_route, dobj);
443 if (pass != SOC_TPLG_PASS_GRAPH)
446 if (dobj->ops && dobj->ops->dapm_route_unload)
447 dobj->ops->dapm_route_unload(comp, dobj);
449 list_del(&dobj->list);
453 /* remove a widget and it's kcontrols - routes must be removed first */
454 static void remove_widget(struct snd_soc_component *comp,
455 struct snd_soc_dobj *dobj, int pass)
457 struct snd_card *card = comp->card->snd_card;
458 struct snd_soc_dapm_widget *w =
459 container_of(dobj, struct snd_soc_dapm_widget, dobj);
462 if (pass != SOC_TPLG_PASS_WIDGET)
465 if (dobj->ops && dobj->ops->widget_unload)
466 dobj->ops->widget_unload(comp, dobj);
472 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
473 * The enum may either have an array of values or strings.
475 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
476 /* enumerated widget mixer */
477 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
478 struct snd_kcontrol *kcontrol = w->kcontrols[i];
479 struct soc_enum *se =
480 (struct soc_enum *)kcontrol->private_value;
483 snd_ctl_remove(card, kcontrol);
485 kfree(dobj->control.dvalues);
486 for (j = 0; j < se->items; j++)
487 kfree(dobj->control.dtexts[j]);
488 kfree(dobj->control.dtexts);
491 kfree(w->kcontrol_news[i].name);
494 /* volume mixer or bytes controls */
495 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
496 struct snd_kcontrol *kcontrol = w->kcontrols[i];
498 if (dobj->widget.kcontrol_type
499 == SND_SOC_TPLG_TYPE_MIXER)
500 kfree(kcontrol->tlv.p);
502 /* Private value is used as struct soc_mixer_control
503 * for volume mixers or soc_bytes_ext for bytes
506 kfree((void *)kcontrol->private_value);
507 snd_ctl_remove(card, kcontrol);
508 kfree(w->kcontrol_news[i].name);
513 kfree(w->kcontrol_news);
515 list_del(&dobj->list);
517 /* widget w is freed by soc-dapm.c */
520 /* remove DAI configurations */
521 static void remove_dai(struct snd_soc_component *comp,
522 struct snd_soc_dobj *dobj, int pass)
524 struct snd_soc_dai_driver *dai_drv =
525 container_of(dobj, struct snd_soc_dai_driver, dobj);
526 struct snd_soc_dai *dai;
528 if (pass != SOC_TPLG_PASS_PCM_DAI)
531 if (dobj->ops && dobj->ops->dai_unload)
532 dobj->ops->dai_unload(comp, dobj);
534 list_for_each_entry(dai, &comp->dai_list, list)
535 if (dai->driver == dai_drv)
538 kfree(dai_drv->name);
539 list_del(&dobj->list);
543 /* remove link configurations */
544 static void remove_link(struct snd_soc_component *comp,
545 struct snd_soc_dobj *dobj, int pass)
547 struct snd_soc_dai_link *link =
548 container_of(dobj, struct snd_soc_dai_link, dobj);
550 if (pass != SOC_TPLG_PASS_PCM_DAI)
553 if (dobj->ops && dobj->ops->link_unload)
554 dobj->ops->link_unload(comp, dobj);
557 kfree(link->stream_name);
558 kfree(link->cpu_dai_name);
560 list_del(&dobj->list);
561 snd_soc_remove_dai_link(comp->card, link);
565 /* unload dai link */
566 static void remove_backend_link(struct snd_soc_component *comp,
567 struct snd_soc_dobj *dobj, int pass)
569 if (pass != SOC_TPLG_PASS_LINK)
572 if (dobj->ops && dobj->ops->link_unload)
573 dobj->ops->link_unload(comp, dobj);
576 * We don't free the link here as what remove_link() do since BE
577 * links are not allocated by topology.
578 * We however need to reset the dobj type to its initial values
580 dobj->type = SND_SOC_DOBJ_NONE;
581 list_del(&dobj->list);
584 /* bind a kcontrol to it's IO handlers */
585 static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
586 struct snd_kcontrol_new *k,
587 const struct soc_tplg *tplg)
589 const struct snd_soc_tplg_kcontrol_ops *ops;
590 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
593 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
594 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
595 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
596 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
597 struct soc_bytes_ext *sbe;
598 struct snd_soc_tplg_bytes_control *be;
600 sbe = (struct soc_bytes_ext *)k->private_value;
601 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
603 /* TLV bytes controls need standard kcontrol info handler,
604 * TLV callback and extended put/get handlers.
606 k->info = snd_soc_bytes_info_ext;
607 k->tlv.c = snd_soc_bytes_tlv_callback;
609 ext_ops = tplg->bytes_ext_ops;
610 num_ops = tplg->bytes_ext_ops_count;
611 for (i = 0; i < num_ops; i++) {
612 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
613 sbe->put = ext_ops[i].put;
614 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
615 sbe->get = ext_ops[i].get;
618 if (sbe->put && sbe->get)
624 /* try and map vendor specific kcontrol handlers first */
626 num_ops = tplg->io_ops_count;
627 for (i = 0; i < num_ops; i++) {
629 if (k->put == NULL && ops[i].id == hdr->ops.put)
631 if (k->get == NULL && ops[i].id == hdr->ops.get)
633 if (k->info == NULL && ops[i].id == hdr->ops.info)
634 k->info = ops[i].info;
637 /* vendor specific handlers found ? */
638 if (k->put && k->get && k->info)
641 /* none found so try standard kcontrol handlers */
643 num_ops = ARRAY_SIZE(io_ops);
644 for (i = 0; i < num_ops; i++) {
646 if (k->put == NULL && ops[i].id == hdr->ops.put)
648 if (k->get == NULL && ops[i].id == hdr->ops.get)
650 if (k->info == NULL && ops[i].id == hdr->ops.info)
651 k->info = ops[i].info;
654 /* standard handlers found ? */
655 if (k->put && k->get && k->info)
658 /* nothing to bind */
662 /* bind a widgets to it's evnt handlers */
663 int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
664 const struct snd_soc_tplg_widget_events *events,
665 int num_events, u16 event_type)
671 for (i = 0; i < num_events; i++) {
672 if (event_type == events[i].type) {
674 /* found - so assign event */
675 w->event = events[i].event_handler;
683 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
685 /* optionally pass new dynamic kcontrol to component driver. */
686 static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
687 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
689 if (tplg->comp && tplg->ops && tplg->ops->control_load)
690 return tplg->ops->control_load(tplg->comp, tplg->index, k,
697 static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
698 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
700 unsigned int item_len = 2 * sizeof(unsigned int);
703 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
707 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
710 p[3] = (scale->step & TLV_DB_SCALE_MASK)
711 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
713 kc->tlv.p = (void *)p;
717 static int soc_tplg_create_tlv(struct soc_tplg *tplg,
718 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
720 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
722 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
725 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
727 switch (tplg_tlv->type) {
728 case SNDRV_CTL_TLVT_DB_SCALE:
729 return soc_tplg_create_tlv_db_scale(tplg, kc,
732 /* TODO: add support for other TLV types */
734 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
743 static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
744 struct snd_kcontrol_new *kc)
749 static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
752 struct snd_soc_tplg_bytes_control *be;
753 struct soc_bytes_ext *sbe;
754 struct snd_kcontrol_new kc;
757 if (soc_tplg_check_elem_count(tplg,
758 sizeof(struct snd_soc_tplg_bytes_control), count,
759 size, "mixer bytes")) {
760 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
765 for (i = 0; i < count; i++) {
766 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
768 /* validate kcontrol */
769 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
770 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
773 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
777 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
781 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
782 be->hdr.name, be->hdr.access);
784 memset(&kc, 0, sizeof(kc));
785 kc.name = be->hdr.name;
786 kc.private_value = (long)sbe;
787 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
788 kc.access = be->hdr.access;
791 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
792 sbe->dobj.ops = tplg->ops;
793 INIT_LIST_HEAD(&sbe->dobj.list);
795 /* map io handlers */
796 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
798 soc_control_err(tplg, &be->hdr, be->hdr.name);
803 /* pass control to driver for optional further init */
804 err = soc_tplg_init_kcontrol(tplg, &kc,
805 (struct snd_soc_tplg_ctl_hdr *)be);
807 dev_err(tplg->dev, "ASoC: failed to init %s\n",
813 /* register control here */
814 err = soc_tplg_add_kcontrol(tplg, &kc,
815 &sbe->dobj.control.kcontrol);
817 dev_err(tplg->dev, "ASoC: failed to add %s\n",
823 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
829 static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
832 struct snd_soc_tplg_mixer_control *mc;
833 struct soc_mixer_control *sm;
834 struct snd_kcontrol_new kc;
837 if (soc_tplg_check_elem_count(tplg,
838 sizeof(struct snd_soc_tplg_mixer_control),
839 count, size, "mixers")) {
841 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
846 for (i = 0; i < count; i++) {
847 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
849 /* validate kcontrol */
850 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
851 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
854 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
857 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
861 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
862 mc->hdr.name, mc->hdr.access);
864 memset(&kc, 0, sizeof(kc));
865 kc.name = mc->hdr.name;
866 kc.private_value = (long)sm;
867 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
868 kc.access = mc->hdr.access;
870 /* we only support FL/FR channel mapping atm */
871 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
873 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
875 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
877 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
882 sm->invert = mc->invert;
883 sm->platform_max = mc->platform_max;
884 sm->dobj.index = tplg->index;
885 sm->dobj.ops = tplg->ops;
886 sm->dobj.type = SND_SOC_DOBJ_MIXER;
887 INIT_LIST_HEAD(&sm->dobj.list);
889 /* map io handlers */
890 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
892 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
897 /* pass control to driver for optional further init */
898 err = soc_tplg_init_kcontrol(tplg, &kc,
899 (struct snd_soc_tplg_ctl_hdr *) mc);
901 dev_err(tplg->dev, "ASoC: failed to init %s\n",
907 /* create any TLV data */
908 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
910 /* register control here */
911 err = soc_tplg_add_kcontrol(tplg, &kc,
912 &sm->dobj.control.kcontrol);
914 dev_err(tplg->dev, "ASoC: failed to add %s\n",
916 soc_tplg_free_tlv(tplg, &kc);
921 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
927 static int soc_tplg_denum_create_texts(struct soc_enum *se,
928 struct snd_soc_tplg_enum_control *ec)
932 se->dobj.control.dtexts =
933 kcalloc(ec->items, sizeof(char *), GFP_KERNEL);
934 if (se->dobj.control.dtexts == NULL)
937 for (i = 0; i < ec->items; i++) {
939 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
940 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
945 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
946 if (!se->dobj.control.dtexts[i]) {
952 se->texts = (const char * const *)se->dobj.control.dtexts;
956 for (--i; i >= 0; i--)
957 kfree(se->dobj.control.dtexts[i]);
958 kfree(se->dobj.control.dtexts);
962 static int soc_tplg_denum_create_values(struct soc_enum *se,
963 struct snd_soc_tplg_enum_control *ec)
965 if (ec->items > sizeof(*ec->values))
968 se->dobj.control.dvalues = kmemdup(ec->values,
969 ec->items * sizeof(u32),
971 if (!se->dobj.control.dvalues)
977 static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
980 struct snd_soc_tplg_enum_control *ec;
982 struct snd_kcontrol_new kc;
985 if (soc_tplg_check_elem_count(tplg,
986 sizeof(struct snd_soc_tplg_enum_control),
987 count, size, "enums")) {
989 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
994 for (i = 0; i < count; i++) {
995 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
996 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
999 /* validate kcontrol */
1000 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1001 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1004 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1008 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1009 ec->hdr.name, ec->items);
1011 memset(&kc, 0, sizeof(kc));
1012 kc.name = ec->hdr.name;
1013 kc.private_value = (long)se;
1014 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1015 kc.access = ec->hdr.access;
1017 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1018 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1020 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1023 se->items = ec->items;
1024 se->mask = ec->mask;
1025 se->dobj.index = tplg->index;
1026 se->dobj.type = SND_SOC_DOBJ_ENUM;
1027 se->dobj.ops = tplg->ops;
1028 INIT_LIST_HEAD(&se->dobj.list);
1030 switch (ec->hdr.ops.info) {
1031 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1032 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1033 err = soc_tplg_denum_create_values(se, ec);
1036 "ASoC: could not create values for %s\n",
1042 case SND_SOC_TPLG_CTL_ENUM:
1043 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1044 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1045 err = soc_tplg_denum_create_texts(se, ec);
1048 "ASoC: could not create texts for %s\n",
1056 "ASoC: invalid enum control type %d for %s\n",
1057 ec->hdr.ops.info, ec->hdr.name);
1062 /* map io handlers */
1063 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
1065 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1070 /* pass control to driver for optional further init */
1071 err = soc_tplg_init_kcontrol(tplg, &kc,
1072 (struct snd_soc_tplg_ctl_hdr *) ec);
1074 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1080 /* register control here */
1081 ret = soc_tplg_add_kcontrol(tplg,
1082 &kc, &se->dobj.control.kcontrol);
1084 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1090 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1096 static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1097 struct snd_soc_tplg_hdr *hdr)
1099 struct snd_soc_tplg_ctl_hdr *control_hdr;
1102 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1103 tplg->pos += hdr->size + hdr->payload_size;
1107 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1108 soc_tplg_get_offset(tplg));
1110 for (i = 0; i < hdr->count; i++) {
1112 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1114 if (control_hdr->size != sizeof(*control_hdr)) {
1115 dev_err(tplg->dev, "ASoC: invalid control size\n");
1119 switch (control_hdr->ops.info) {
1120 case SND_SOC_TPLG_CTL_VOLSW:
1121 case SND_SOC_TPLG_CTL_STROBE:
1122 case SND_SOC_TPLG_CTL_VOLSW_SX:
1123 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1124 case SND_SOC_TPLG_CTL_RANGE:
1125 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1126 case SND_SOC_TPLG_DAPM_CTL_PIN:
1127 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1129 case SND_SOC_TPLG_CTL_ENUM:
1130 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1131 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1132 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1133 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1134 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1136 case SND_SOC_TPLG_CTL_BYTES:
1137 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1140 soc_bind_err(tplg, control_hdr, i);
1148 /* optionally pass new dynamic kcontrol to component driver. */
1149 static int soc_tplg_add_route(struct soc_tplg *tplg,
1150 struct snd_soc_dapm_route *route)
1152 if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
1153 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1159 static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1160 struct snd_soc_tplg_hdr *hdr)
1162 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1163 struct snd_soc_tplg_dapm_graph_elem *elem;
1164 struct snd_soc_dapm_route **routes;
1165 int count = hdr->count, i, j;
1168 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1169 tplg->pos += hdr->size + hdr->payload_size;
1173 if (soc_tplg_check_elem_count(tplg,
1174 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1175 count, hdr->payload_size, "graph")) {
1177 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1182 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1185 /* allocate memory for pointer to array of dapm routes */
1186 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1192 * allocate memory for each dapm route in the array.
1193 * This needs to be done individually so that
1194 * each route can be freed when it is removed in remove_route().
1196 for (i = 0; i < count; i++) {
1197 routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL);
1199 /* free previously allocated memory */
1200 for (j = 0; j < i; j++)
1208 for (i = 0; i < count; i++) {
1209 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1210 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1212 /* validate routes */
1213 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1214 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1218 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1219 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1223 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1224 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1229 routes[i]->source = elem->source;
1230 routes[i]->sink = elem->sink;
1232 /* set to NULL atm for tplg users */
1233 routes[i]->connected = NULL;
1234 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1235 routes[i]->control = NULL;
1237 routes[i]->control = elem->control;
1239 /* add route dobj to dobj_list */
1240 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1241 routes[i]->dobj.ops = tplg->ops;
1242 routes[i]->dobj.index = tplg->index;
1243 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
1245 soc_tplg_add_route(tplg, routes[i]);
1247 /* add route, but keep going if some fail */
1248 snd_soc_dapm_add_routes(dapm, routes[i], 1);
1251 /* free memory allocated for all dapm routes in case of error */
1253 for (i = 0; i < count ; i++)
1257 * free pointer to array of dapm routes as this is no longer needed.
1258 * The memory allocated for each dapm route will be freed
1259 * when it is removed in remove_route().
1266 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1267 struct soc_tplg *tplg, int num_kcontrols)
1269 struct snd_kcontrol_new *kc;
1270 struct soc_mixer_control *sm;
1271 struct snd_soc_tplg_mixer_control *mc;
1274 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1278 for (i = 0; i < num_kcontrols; i++) {
1279 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1280 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1284 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1287 /* validate kcontrol */
1288 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1289 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1292 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1295 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1296 if (kc[i].name == NULL)
1298 kc[i].private_value = (long)sm;
1299 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1300 kc[i].access = mc->hdr.access;
1302 /* we only support FL/FR channel mapping atm */
1303 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1305 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1307 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1309 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1314 sm->invert = mc->invert;
1315 sm->platform_max = mc->platform_max;
1316 sm->dobj.index = tplg->index;
1317 INIT_LIST_HEAD(&sm->dobj.list);
1319 /* map io handlers */
1320 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
1322 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1327 /* pass control to driver for optional further init */
1328 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1329 (struct snd_soc_tplg_ctl_hdr *)mc);
1331 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1337 /* create any TLV data */
1338 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1345 for (--i; i >= 0; i--) {
1346 kfree((void *)kc[i].private_value);
1353 static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1354 struct soc_tplg *tplg, int num_kcontrols)
1356 struct snd_kcontrol_new *kc;
1357 struct snd_soc_tplg_enum_control *ec;
1358 struct soc_enum *se;
1361 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1365 for (i = 0; i < num_kcontrols; i++) {
1366 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1367 /* validate kcontrol */
1368 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1369 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1372 se = kzalloc(sizeof(*se), GFP_KERNEL);
1376 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1379 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
1380 if (kc[i].name == NULL) {
1384 kc[i].private_value = (long)se;
1385 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1386 kc[i].access = ec->hdr.access;
1388 /* we only support FL/FR channel mapping atm */
1389 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1390 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1392 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1395 se->items = ec->items;
1396 se->mask = ec->mask;
1397 se->dobj.index = tplg->index;
1399 switch (ec->hdr.ops.info) {
1400 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1401 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1402 err = soc_tplg_denum_create_values(se, ec);
1404 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1409 case SND_SOC_TPLG_CTL_ENUM:
1410 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1411 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1412 err = soc_tplg_denum_create_texts(se, ec);
1414 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1420 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1421 ec->hdr.ops.info, ec->hdr.name);
1425 /* map io handlers */
1426 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1428 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1432 /* pass control to driver for optional further init */
1433 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1434 (struct snd_soc_tplg_ctl_hdr *)ec);
1436 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1441 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1448 for (; i >= 0; i--) {
1449 /* free values and texts */
1450 se = (struct soc_enum *)kc[i].private_value;
1454 kfree(se->dobj.control.dvalues);
1455 for (j = 0; j < ec->items; j++)
1456 kfree(se->dobj.control.dtexts[j]);
1457 kfree(se->dobj.control.dtexts);
1468 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1469 struct soc_tplg *tplg, int count)
1471 struct snd_soc_tplg_bytes_control *be;
1472 struct soc_bytes_ext *sbe;
1473 struct snd_kcontrol_new *kc;
1476 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
1480 for (i = 0; i < count; i++) {
1481 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1483 /* validate kcontrol */
1484 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1485 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1488 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1492 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1496 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1497 be->hdr.name, be->hdr.access);
1499 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
1500 if (kc[i].name == NULL) {
1504 kc[i].private_value = (long)sbe;
1505 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1506 kc[i].access = be->hdr.access;
1509 INIT_LIST_HEAD(&sbe->dobj.list);
1511 /* map standard io handlers and check for external handlers */
1512 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
1514 soc_control_err(tplg, &be->hdr, be->hdr.name);
1519 /* pass control to driver for optional further init */
1520 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1521 (struct snd_soc_tplg_ctl_hdr *)be);
1523 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1533 for (--i; i >= 0; i--) {
1534 kfree((void *)kc[i].private_value);
1542 static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1543 struct snd_soc_tplg_dapm_widget *w)
1545 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1546 struct snd_soc_dapm_widget template, *widget;
1547 struct snd_soc_tplg_ctl_hdr *control_hdr;
1548 struct snd_soc_card *card = tplg->comp->card;
1549 unsigned int kcontrol_type;
1552 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1553 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1555 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1556 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1559 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1562 memset(&template, 0, sizeof(template));
1564 /* map user to kernel widget ID */
1565 template.id = get_widget_id(w->id);
1566 if (template.id < 0)
1569 /* strings are allocated here, but used and freed by the widget */
1570 template.name = kstrdup(w->name, GFP_KERNEL);
1573 template.sname = kstrdup(w->sname, GFP_KERNEL);
1574 if (!template.sname) {
1578 template.reg = w->reg;
1579 template.shift = w->shift;
1580 template.mask = w->mask;
1581 template.subseq = w->subseq;
1582 template.on_val = w->invert ? 0 : 1;
1583 template.off_val = w->invert ? 1 : 0;
1584 template.ignore_suspend = w->ignore_suspend;
1585 template.event_flags = w->event_flags;
1586 template.dobj.index = tplg->index;
1589 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1590 if (w->num_kcontrols == 0) {
1592 template.num_kcontrols = 0;
1596 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1597 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1598 w->name, w->num_kcontrols, control_hdr->type);
1600 switch (control_hdr->ops.info) {
1601 case SND_SOC_TPLG_CTL_VOLSW:
1602 case SND_SOC_TPLG_CTL_STROBE:
1603 case SND_SOC_TPLG_CTL_VOLSW_SX:
1604 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1605 case SND_SOC_TPLG_CTL_RANGE:
1606 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1607 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
1608 template.num_kcontrols = w->num_kcontrols;
1609 template.kcontrol_news =
1610 soc_tplg_dapm_widget_dmixer_create(tplg,
1611 template.num_kcontrols);
1612 if (!template.kcontrol_news) {
1617 case SND_SOC_TPLG_CTL_ENUM:
1618 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1619 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1620 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1621 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1622 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1623 template.num_kcontrols = w->num_kcontrols;
1624 template.kcontrol_news =
1625 soc_tplg_dapm_widget_denum_create(tplg,
1626 template.num_kcontrols);
1627 if (!template.kcontrol_news) {
1632 case SND_SOC_TPLG_CTL_BYTES:
1633 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
1634 template.num_kcontrols = w->num_kcontrols;
1635 template.kcontrol_news =
1636 soc_tplg_dapm_widget_dbytes_create(tplg,
1637 template.num_kcontrols);
1638 if (!template.kcontrol_news) {
1644 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1645 control_hdr->ops.get, control_hdr->ops.put,
1646 control_hdr->ops.info);
1652 ret = soc_tplg_widget_load(tplg, &template, w);
1656 /* card dapm mutex is held by the core if we are loading topology
1657 * data during sound card init. */
1658 if (card->instantiated)
1659 widget = snd_soc_dapm_new_control(dapm, &template);
1661 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
1662 if (IS_ERR(widget)) {
1663 ret = PTR_ERR(widget);
1667 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
1668 widget->dobj.widget.kcontrol_type = kcontrol_type;
1669 widget->dobj.ops = tplg->ops;
1670 widget->dobj.index = tplg->index;
1671 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
1673 ret = soc_tplg_widget_ready(tplg, widget, w);
1677 kfree(template.sname);
1678 kfree(template.name);
1683 snd_soc_tplg_widget_remove(widget);
1684 snd_soc_dapm_free_widget(widget);
1686 kfree(template.sname);
1688 kfree(template.name);
1692 static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1693 struct snd_soc_tplg_hdr *hdr)
1695 struct snd_soc_tplg_dapm_widget *widget;
1696 int ret, count = hdr->count, i;
1698 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1701 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1703 for (i = 0; i < count; i++) {
1704 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1705 if (widget->size != sizeof(*widget)) {
1706 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1710 ret = soc_tplg_dapm_widget_create(tplg, widget);
1712 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1721 static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1723 struct snd_soc_card *card = tplg->comp->card;
1726 /* Card might not have been registered at this point.
1727 * If so, just return success.
1729 if (!card || !card->instantiated) {
1730 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
1731 " widget card binding deferred\n");
1735 ret = snd_soc_dapm_new_widgets(card);
1737 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1743 static void set_stream_info(struct snd_soc_pcm_stream *stream,
1744 struct snd_soc_tplg_stream_caps *caps)
1746 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1747 stream->channels_min = caps->channels_min;
1748 stream->channels_max = caps->channels_max;
1749 stream->rates = caps->rates;
1750 stream->rate_min = caps->rate_min;
1751 stream->rate_max = caps->rate_max;
1752 stream->formats = caps->formats;
1753 stream->sig_bits = caps->sig_bits;
1756 static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1757 unsigned int flag_mask, unsigned int flags)
1759 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1760 dai_drv->symmetric_rates =
1761 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1763 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1764 dai_drv->symmetric_channels =
1765 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1768 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1769 dai_drv->symmetric_samplebits =
1770 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1774 static int soc_tplg_dai_create(struct soc_tplg *tplg,
1775 struct snd_soc_tplg_pcm *pcm)
1777 struct snd_soc_dai_driver *dai_drv;
1778 struct snd_soc_pcm_stream *stream;
1779 struct snd_soc_tplg_stream_caps *caps;
1782 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1783 if (dai_drv == NULL)
1786 if (strlen(pcm->dai_name))
1787 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
1788 dai_drv->id = pcm->dai_id;
1790 if (pcm->playback) {
1791 stream = &dai_drv->playback;
1792 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
1793 set_stream_info(stream, caps);
1797 stream = &dai_drv->capture;
1798 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
1799 set_stream_info(stream, caps);
1803 dai_drv->compress_new = snd_soc_new_compress;
1805 /* pass control to component driver for optional further init */
1806 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
1808 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1813 dai_drv->dobj.index = tplg->index;
1814 dai_drv->dobj.ops = tplg->ops;
1815 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1816 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1818 /* register the DAI to the component */
1819 return snd_soc_register_dai(tplg->comp, dai_drv);
1822 static void set_link_flags(struct snd_soc_dai_link *link,
1823 unsigned int flag_mask, unsigned int flags)
1825 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1826 link->symmetric_rates =
1827 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1829 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1830 link->symmetric_channels =
1831 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1834 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1835 link->symmetric_samplebits =
1836 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1839 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1840 link->ignore_suspend =
1841 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1845 /* create the FE DAI link */
1846 static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
1847 struct snd_soc_tplg_pcm *pcm)
1849 struct snd_soc_dai_link *link;
1852 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1856 if (strlen(pcm->pcm_name)) {
1857 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1858 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1860 link->id = pcm->pcm_id;
1862 if (strlen(pcm->dai_name))
1863 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1865 link->codec_name = "snd-soc-dummy";
1866 link->codec_dai_name = "snd-soc-dummy-dai";
1870 link->dpcm_playback = pcm->playback;
1871 link->dpcm_capture = pcm->capture;
1873 set_link_flags(link, pcm->flag_mask, pcm->flags);
1875 /* pass control to component driver for optional further init */
1876 ret = soc_tplg_dai_link_load(tplg, link, NULL);
1878 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1883 link->dobj.index = tplg->index;
1884 link->dobj.ops = tplg->ops;
1885 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1886 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1888 snd_soc_add_dai_link(tplg->comp->card, link);
1892 /* create a FE DAI and DAI link from the PCM object */
1893 static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1894 struct snd_soc_tplg_pcm *pcm)
1898 ret = soc_tplg_dai_create(tplg, pcm);
1902 return soc_tplg_fe_link_create(tplg, pcm);
1905 /* copy stream caps from the old version 4 of source */
1906 static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1907 struct snd_soc_tplg_stream_caps_v4 *src)
1909 dest->size = sizeof(*dest);
1910 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1911 dest->formats = src->formats;
1912 dest->rates = src->rates;
1913 dest->rate_min = src->rate_min;
1914 dest->rate_max = src->rate_max;
1915 dest->channels_min = src->channels_min;
1916 dest->channels_max = src->channels_max;
1917 dest->periods_min = src->periods_min;
1918 dest->periods_max = src->periods_max;
1919 dest->period_size_min = src->period_size_min;
1920 dest->period_size_max = src->period_size_max;
1921 dest->buffer_size_min = src->buffer_size_min;
1922 dest->buffer_size_max = src->buffer_size_max;
1926 * pcm_new_ver - Create the new version of PCM from the old version.
1927 * @tplg: topology context
1928 * @src: older version of pcm as a source
1929 * @pcm: latest version of pcm created from the source
1931 * Support from vesion 4. User should free the returned pcm manually.
1933 static int pcm_new_ver(struct soc_tplg *tplg,
1934 struct snd_soc_tplg_pcm *src,
1935 struct snd_soc_tplg_pcm **pcm)
1937 struct snd_soc_tplg_pcm *dest;
1938 struct snd_soc_tplg_pcm_v4 *src_v4;
1943 if (src->size != sizeof(*src_v4)) {
1944 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1948 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1949 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1950 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1954 dest->size = sizeof(*dest); /* size of latest abi version */
1955 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1956 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1957 dest->pcm_id = src_v4->pcm_id;
1958 dest->dai_id = src_v4->dai_id;
1959 dest->playback = src_v4->playback;
1960 dest->capture = src_v4->capture;
1961 dest->compress = src_v4->compress;
1962 dest->num_streams = src_v4->num_streams;
1963 for (i = 0; i < dest->num_streams; i++)
1964 memcpy(&dest->stream[i], &src_v4->stream[i],
1965 sizeof(struct snd_soc_tplg_stream));
1967 for (i = 0; i < 2; i++)
1968 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1974 static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
1975 struct snd_soc_tplg_hdr *hdr)
1977 struct snd_soc_tplg_pcm *pcm, *_pcm;
1978 int count = hdr->count;
1982 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1985 /* check the element size and count */
1986 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1987 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1988 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1989 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1994 if (soc_tplg_check_elem_count(tplg,
1996 hdr->payload_size, "PCM DAI")) {
1997 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
2002 for (i = 0; i < count; i++) {
2003 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
2005 /* check ABI version by size, create a new version of pcm
2008 if (pcm->size == sizeof(*pcm)) {
2013 pcm_new_ver(tplg, pcm, &_pcm);
2016 /* create the FE DAIs and DAI links */
2017 soc_tplg_pcm_create(tplg, _pcm);
2019 /* offset by version-specific struct size and
2020 * real priv data size
2022 tplg->pos += pcm->size + _pcm->priv.size;
2025 kfree(_pcm); /* free the duplicated one */
2028 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
2034 * set_link_hw_format - Set the HW audio format of the physical DAI link.
2035 * @link: &snd_soc_dai_link which should be updated
2036 * @cfg: physical link configs.
2038 * Topology context contains a list of supported HW formats (configs) and
2039 * a default format ID for the physical link. This function will use this
2040 * default ID to choose the HW format to set the link's DAI format for init.
2042 static void set_link_hw_format(struct snd_soc_dai_link *link,
2043 struct snd_soc_tplg_link_config *cfg)
2045 struct snd_soc_tplg_hw_config *hw_config;
2046 unsigned char bclk_master, fsync_master;
2047 unsigned char invert_bclk, invert_fsync;
2050 for (i = 0; i < cfg->num_hw_configs; i++) {
2051 hw_config = &cfg->hw_config[i];
2052 if (hw_config->id != cfg->default_hw_config_id)
2055 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
2058 switch (hw_config->clock_gated) {
2059 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
2060 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
2063 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
2064 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
2068 /* ignore the value */
2072 /* clock signal polarity */
2073 invert_bclk = hw_config->invert_bclk;
2074 invert_fsync = hw_config->invert_fsync;
2075 if (!invert_bclk && !invert_fsync)
2076 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2077 else if (!invert_bclk && invert_fsync)
2078 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2079 else if (invert_bclk && !invert_fsync)
2080 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2082 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2085 bclk_master = (hw_config->bclk_master ==
2086 SND_SOC_TPLG_BCLK_CM);
2087 fsync_master = (hw_config->fsync_master ==
2088 SND_SOC_TPLG_FSYNC_CM);
2089 if (bclk_master && fsync_master)
2090 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
2091 else if (!bclk_master && fsync_master)
2092 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2093 else if (bclk_master && !fsync_master)
2094 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2096 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2101 * link_new_ver - Create a new physical link config from the old
2102 * version of source.
2103 * @tplg: topology context
2104 * @src: old version of phyical link config as a source
2105 * @link: latest version of physical link config created from the source
2107 * Support from vesion 4. User need free the returned link config manually.
2109 static int link_new_ver(struct soc_tplg *tplg,
2110 struct snd_soc_tplg_link_config *src,
2111 struct snd_soc_tplg_link_config **link)
2113 struct snd_soc_tplg_link_config *dest;
2114 struct snd_soc_tplg_link_config_v4 *src_v4;
2119 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
2120 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2124 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2126 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2127 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2131 dest->size = sizeof(*dest);
2132 dest->id = src_v4->id;
2133 dest->num_streams = src_v4->num_streams;
2134 for (i = 0; i < dest->num_streams; i++)
2135 memcpy(&dest->stream[i], &src_v4->stream[i],
2136 sizeof(struct snd_soc_tplg_stream));
2142 /* Find and configure an existing physical DAI link */
2143 static int soc_tplg_link_config(struct soc_tplg *tplg,
2144 struct snd_soc_tplg_link_config *cfg)
2146 struct snd_soc_dai_link *link;
2147 const char *name, *stream_name;
2151 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2152 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2159 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2160 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2163 stream_name = cfg->stream_name;
2167 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2170 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2176 if (cfg->num_hw_configs)
2177 set_link_hw_format(link, cfg);
2181 set_link_flags(link, cfg->flag_mask, cfg->flags);
2183 /* pass control to component driver for optional further init */
2184 ret = soc_tplg_dai_link_load(tplg, link, cfg);
2186 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2190 /* for unloading it in snd_soc_tplg_component_remove */
2191 link->dobj.index = tplg->index;
2192 link->dobj.ops = tplg->ops;
2193 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2194 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2200 /* Load physical link config elements from the topology context */
2201 static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2202 struct snd_soc_tplg_hdr *hdr)
2204 struct snd_soc_tplg_link_config *link, *_link;
2205 int count = hdr->count;
2209 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2210 tplg->pos += hdr->size + hdr->payload_size;
2214 /* check the element size and count */
2215 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2216 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2217 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2218 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2223 if (soc_tplg_check_elem_count(tplg,
2225 hdr->payload_size, "physical link config")) {
2226 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2231 /* config physical DAI links */
2232 for (i = 0; i < count; i++) {
2233 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2234 if (link->size == sizeof(*link)) {
2239 ret = link_new_ver(tplg, link, &_link);
2244 ret = soc_tplg_link_config(tplg, _link);
2248 /* offset by version-specific struct size and
2249 * real priv data size
2251 tplg->pos += link->size + _link->priv.size;
2254 kfree(_link); /* free the duplicated one */
2261 * soc_tplg_dai_config - Find and configure an existing physical DAI.
2262 * @tplg: topology context
2263 * @d: physical DAI configs.
2265 * The physical dai should already be registered by the platform driver.
2266 * The platform driver should specify the DAI name and ID for matching.
2268 static int soc_tplg_dai_config(struct soc_tplg *tplg,
2269 struct snd_soc_tplg_dai *d)
2271 struct snd_soc_dai_link_component dai_component = {0};
2272 struct snd_soc_dai *dai;
2273 struct snd_soc_dai_driver *dai_drv;
2274 struct snd_soc_pcm_stream *stream;
2275 struct snd_soc_tplg_stream_caps *caps;
2278 dai_component.dai_name = d->dai_name;
2279 dai = snd_soc_find_dai(&dai_component);
2281 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2286 if (d->dai_id != dai->id) {
2287 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2292 dai_drv = dai->driver;
2297 stream = &dai_drv->playback;
2298 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
2299 set_stream_info(stream, caps);
2303 stream = &dai_drv->capture;
2304 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
2305 set_stream_info(stream, caps);
2309 set_dai_flags(dai_drv, d->flag_mask, d->flags);
2311 /* pass control to component driver for optional further init */
2312 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
2314 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2321 /* load physical DAI elements */
2322 static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2323 struct snd_soc_tplg_hdr *hdr)
2325 struct snd_soc_tplg_dai *dai;
2326 int count = hdr->count;
2329 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2332 /* config the existing BE DAIs */
2333 for (i = 0; i < count; i++) {
2334 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2335 if (dai->size != sizeof(*dai)) {
2336 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
2340 soc_tplg_dai_config(tplg, dai);
2341 tplg->pos += (sizeof(*dai) + dai->priv.size);
2344 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2349 * manifest_new_ver - Create a new version of manifest from the old version
2351 * @tplg: topology context
2352 * @src: old version of manifest as a source
2353 * @manifest: latest version of manifest created from the source
2355 * Support from vesion 4. Users need free the returned manifest manually.
2357 static int manifest_new_ver(struct soc_tplg *tplg,
2358 struct snd_soc_tplg_manifest *src,
2359 struct snd_soc_tplg_manifest **manifest)
2361 struct snd_soc_tplg_manifest *dest;
2362 struct snd_soc_tplg_manifest_v4 *src_v4;
2366 if (src->size != sizeof(*src_v4)) {
2367 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
2371 src->size = sizeof(*src_v4);
2374 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2376 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2377 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2381 dest->size = sizeof(*dest); /* size of latest abi version */
2382 dest->control_elems = src_v4->control_elems;
2383 dest->widget_elems = src_v4->widget_elems;
2384 dest->graph_elems = src_v4->graph_elems;
2385 dest->pcm_elems = src_v4->pcm_elems;
2386 dest->dai_link_elems = src_v4->dai_link_elems;
2387 dest->priv.size = src_v4->priv.size;
2388 if (dest->priv.size)
2389 memcpy(dest->priv.data, src_v4->priv.data,
2396 static int soc_tplg_manifest_load(struct soc_tplg *tplg,
2397 struct snd_soc_tplg_hdr *hdr)
2399 struct snd_soc_tplg_manifest *manifest, *_manifest;
2403 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2406 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
2408 /* check ABI version by size, create a new manifest if abi not match */
2409 if (manifest->size == sizeof(*manifest)) {
2411 _manifest = manifest;
2414 err = manifest_new_ver(tplg, manifest, &_manifest);
2419 /* pass control to component driver for optional further init */
2420 if (tplg->comp && tplg->ops && tplg->ops->manifest)
2421 return tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
2423 if (!abi_match) /* free the duplicated one */
2429 /* validate header magic, size and type */
2430 static int soc_valid_header(struct soc_tplg *tplg,
2431 struct snd_soc_tplg_hdr *hdr)
2433 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2436 if (hdr->size != sizeof(*hdr)) {
2438 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2439 hdr->type, soc_tplg_get_hdr_offset(tplg),
2444 /* big endian firmware objects not supported atm */
2445 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2447 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2448 tplg->pass, hdr->magic,
2449 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2453 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2455 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2456 tplg->pass, hdr->magic,
2457 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2461 /* Support ABI from version 4 */
2462 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2463 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
2465 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2466 tplg->pass, hdr->abi,
2467 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2472 if (hdr->payload_size == 0) {
2473 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2474 soc_tplg_get_hdr_offset(tplg));
2478 if (tplg->pass == hdr->type)
2480 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2481 hdr->payload_size, hdr->type, hdr->version,
2482 hdr->vendor_type, tplg->pass);
2487 /* check header type and call appropriate handler */
2488 static int soc_tplg_load_header(struct soc_tplg *tplg,
2489 struct snd_soc_tplg_hdr *hdr)
2491 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2493 /* check for matching ID */
2494 if (hdr->index != tplg->req_index &&
2495 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
2498 tplg->index = hdr->index;
2500 switch (hdr->type) {
2501 case SND_SOC_TPLG_TYPE_MIXER:
2502 case SND_SOC_TPLG_TYPE_ENUM:
2503 case SND_SOC_TPLG_TYPE_BYTES:
2504 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2505 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2506 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2507 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2508 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2509 case SND_SOC_TPLG_TYPE_PCM:
2510 return soc_tplg_pcm_elems_load(tplg, hdr);
2511 case SND_SOC_TPLG_TYPE_DAI:
2512 return soc_tplg_dai_elems_load(tplg, hdr);
2513 case SND_SOC_TPLG_TYPE_DAI_LINK:
2514 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2515 /* physical link configurations */
2516 return soc_tplg_link_elems_load(tplg, hdr);
2517 case SND_SOC_TPLG_TYPE_MANIFEST:
2518 return soc_tplg_manifest_load(tplg, hdr);
2520 /* bespoke vendor data object */
2521 return soc_tplg_vendor_load(tplg, hdr);
2527 /* process the topology file headers */
2528 static int soc_tplg_process_headers(struct soc_tplg *tplg)
2530 struct snd_soc_tplg_hdr *hdr;
2533 tplg->pass = SOC_TPLG_PASS_START;
2535 /* process the header types from start to end */
2536 while (tplg->pass <= SOC_TPLG_PASS_END) {
2538 tplg->hdr_pos = tplg->fw->data;
2539 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2541 while (!soc_tplg_is_eof(tplg)) {
2543 /* make sure header is valid before loading */
2544 ret = soc_valid_header(tplg, hdr);
2550 /* load the header object */
2551 ret = soc_tplg_load_header(tplg, hdr);
2555 /* goto next header */
2556 tplg->hdr_pos += hdr->payload_size +
2557 sizeof(struct snd_soc_tplg_hdr);
2558 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2561 /* next data type pass */
2565 /* signal DAPM we are complete */
2566 ret = soc_tplg_dapm_complete(tplg);
2569 "ASoC: failed to initialise DAPM from Firmware\n");
2574 static int soc_tplg_load(struct soc_tplg *tplg)
2578 ret = soc_tplg_process_headers(tplg);
2580 soc_tplg_complete(tplg);
2585 /* load audio component topology from "firmware" file */
2586 int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2587 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2589 struct soc_tplg tplg;
2592 /* setup parsing context */
2593 memset(&tplg, 0, sizeof(tplg));
2595 tplg.dev = comp->dev;
2598 tplg.req_index = id;
2599 tplg.io_ops = ops->io_ops;
2600 tplg.io_ops_count = ops->io_ops_count;
2601 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2602 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2604 ret = soc_tplg_load(&tplg);
2605 /* free the created components if fail to load topology */
2607 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2611 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2613 /* remove this dynamic widget */
2614 void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2616 /* make sure we are a widget */
2617 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2620 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2622 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2624 /* remove all dynamic widgets from this DAPM context */
2625 void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2628 struct snd_soc_dapm_widget *w, *next_w;
2630 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2632 /* make sure we are a widget with correct context */
2633 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2637 if (w->dobj.index != index &&
2638 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2640 /* check and free and dynamic widget kcontrols */
2641 snd_soc_tplg_widget_remove(w);
2642 snd_soc_dapm_free_widget(w);
2644 snd_soc_dapm_reset_cache(dapm);
2646 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2648 /* remove dynamic controls from the component driver */
2649 int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2651 struct snd_soc_dobj *dobj, *next_dobj;
2652 int pass = SOC_TPLG_PASS_END;
2654 /* process the header types from end to start */
2655 while (pass >= SOC_TPLG_PASS_START) {
2657 /* remove mixer controls */
2658 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2662 if (dobj->index != index &&
2663 index != SND_SOC_TPLG_INDEX_ALL)
2666 switch (dobj->type) {
2667 case SND_SOC_DOBJ_MIXER:
2668 remove_mixer(comp, dobj, pass);
2670 case SND_SOC_DOBJ_ENUM:
2671 remove_enum(comp, dobj, pass);
2673 case SND_SOC_DOBJ_BYTES:
2674 remove_bytes(comp, dobj, pass);
2676 case SND_SOC_DOBJ_GRAPH:
2677 remove_route(comp, dobj, pass);
2679 case SND_SOC_DOBJ_WIDGET:
2680 remove_widget(comp, dobj, pass);
2682 case SND_SOC_DOBJ_PCM:
2683 remove_dai(comp, dobj, pass);
2685 case SND_SOC_DOBJ_DAI_LINK:
2686 remove_link(comp, dobj, pass);
2688 case SND_SOC_DOBJ_BACKEND_LINK:
2690 * call link_unload ops if extra
2691 * deinitialization is needed.
2693 remove_backend_link(comp, dobj, pass);
2696 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2704 /* let caller know if FW can be freed when no objects are left */
2705 return !list_empty(&comp->dobj_list);
2707 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);