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Linux 5.1.15
[linux/fpc-iii.git] / sound / soc / soc-topology.c
blob96852d25061936e1f72b9c929686a1a740bdc6a8
1 // SPDX-License-Identifier: GPL-2.0+
2 //
3 // soc-topology.c -- ALSA SoC Topology
4 //
5 // Copyright (C) 2012 Texas Instruments Inc.
6 // Copyright (C) 2015 Intel Corporation.
7 //
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>
15 //
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.
19 //
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.
22
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>
32
33 /*
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).
38 */
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
48
49 #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
50 #define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
51
52 /* topology context */
53 struct soc_tplg {
54 const struct firmware *fw;
55
56 /* runtime FW parsing */
57 const u8 *pos; /* read postion */
58 const u8 *hdr_pos; /* header position */
59 unsigned int pass; /* pass number */
60
61 /* component caller */
62 struct device *dev;
63 struct snd_soc_component *comp;
64 u32 index; /* current block index */
65 u32 req_index; /* required index, only loaded/free matching blocks */
66
67 /* vendor specific kcontrol operations */
68 const struct snd_soc_tplg_kcontrol_ops *io_ops;
69 int io_ops_count;
70
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;
74
75 /* optional fw loading callbacks to component drivers */
76 struct snd_soc_tplg_ops *ops;
77 };
78
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);
87
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)
91 {
92 const u8 *end = tplg->pos + elem_size * count;
93
94 if (end > tplg->fw->data + tplg->fw->size) {
95 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
96 elem_type);
97 return -EINVAL;
98 }
99
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) {
103 dev_err(tplg->dev,
104 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
105 elem_type, count, elem_size, bytes);
106 return -EINVAL;
107 }
108
109 return 0;
110 }
111
112 static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
113 {
114 const u8 *end = tplg->hdr_pos;
115
116 if (end >= tplg->fw->data + tplg->fw->size)
117 return 1;
118 return 0;
119 }
120
121 static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
122 {
123 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
124 }
125
126 static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
127 {
128 return (unsigned long)(tplg->pos - tplg->fw->data);
129 }
130
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},
159 };
160
161 struct soc_tplg_map {
162 int uid;
163 int kid;
164 };
165
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},
192 };
193
194 static int tplc_chan_get_reg(struct soc_tplg *tplg,
195 struct snd_soc_tplg_channel *chan, int map)
196 {
197 int i;
198
199 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
200 if (chan[i].id == map)
201 return chan[i].reg;
202 }
203
204 return -EINVAL;
205 }
206
207 static int tplc_chan_get_shift(struct soc_tplg *tplg,
208 struct snd_soc_tplg_channel *chan, int map)
209 {
210 int i;
211
212 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
213 if (chan[i].id == map)
214 return chan[i].shift;
215 }
216
217 return -EINVAL;
218 }
219
220 static int get_widget_id(int tplg_type)
221 {
222 int i;
223
224 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
225 if (tplg_type == dapm_map[i].uid)
226 return dapm_map[i].kid;
227 }
228
229 return -EINVAL;
230 }
231
232 static inline void soc_bind_err(struct soc_tplg *tplg,
233 struct snd_soc_tplg_ctl_hdr *hdr, int index)
234 {
235 dev_err(tplg->dev,
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));
239 }
240
241 static inline void soc_control_err(struct soc_tplg *tplg,
242 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
243 {
244 dev_err(tplg->dev,
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));
248 }
249
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)
253 {
254 int ret = 0;
255
256 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
257 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
258 else {
259 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
260 hdr->vendor_type);
261 return -EINVAL;
262 }
263
264 if (ret < 0)
265 dev_err(tplg->dev,
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);
270 return ret;
271 }
272
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)
276 {
277 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
278 return 0;
279
280 return soc_tplg_vendor_load_(tplg, hdr);
281 }
282
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)
287 {
288 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
289 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
290 tplg_w);
291
292 return 0;
293 }
294
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)
299 {
300 if (tplg->comp && tplg->ops && tplg->ops->widget_ready)
301 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
302 tplg_w);
303
304 return 0;
305 }
306
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)
311 {
312 if (tplg->comp && tplg->ops && tplg->ops->dai_load)
313 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
314 pcm, dai);
315
316 return 0;
317 }
318
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)
322 {
323 if (tplg->comp && tplg->ops && tplg->ops->link_load)
324 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
325
326 return 0;
327 }
328
329 /* tell the component driver that all firmware has been loaded in this request */
330 static void soc_tplg_complete(struct soc_tplg *tplg)
331 {
332 if (tplg->comp && tplg->ops && tplg->ops->complete)
333 tplg->ops->complete(tplg->comp);
334 }
335
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)
340 {
341 int err;
342
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",
346 control_new->name);
347 return -ENOMEM;
348 }
349
350 err = snd_ctl_add(card, *kcontrol);
351 if (err < 0) {
352 dev_err(dev, "ASoC: Failed to add %s: %d\n",
353 control_new->name, err);
354 return err;
355 }
356
357 return 0;
358 }
359
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)
363 {
364 struct snd_soc_component *comp = tplg->comp;
365
366 return soc_tplg_add_dcontrol(comp->card->snd_card,
367 comp->dev, k, NULL, comp, kcontrol);
368 }
369
370 /* remove a mixer kcontrol */
371 static void remove_mixer(struct snd_soc_component *comp,
372 struct snd_soc_dobj *dobj, int pass)
373 {
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;
378
379 if (pass != SOC_TPLG_PASS_MIXER)
380 return;
381
382 if (dobj->ops && dobj->ops->control_unload)
383 dobj->ops->control_unload(comp, dobj);
384
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);
389 kfree(sm);
390 kfree(p);
391 }
392
393 /* remove an enum kcontrol */
394 static void remove_enum(struct snd_soc_component *comp,
395 struct snd_soc_dobj *dobj, int pass)
396 {
397 struct snd_card *card = comp->card->snd_card;
398 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
399 int i;
400
401 if (pass != SOC_TPLG_PASS_MIXER)
402 return;
403
404 if (dobj->ops && dobj->ops->control_unload)
405 dobj->ops->control_unload(comp, dobj);
406
407 snd_ctl_remove(card, dobj->control.kcontrol);
408 list_del(&dobj->list);
409
410 kfree(dobj->control.dvalues);
411 for (i = 0; i < se->items; i++)
412 kfree(dobj->control.dtexts[i]);
413 kfree(dobj->control.dtexts);
414 kfree(se);
415 }
416
417 /* remove a byte kcontrol */
418 static void remove_bytes(struct snd_soc_component *comp,
419 struct snd_soc_dobj *dobj, int pass)
420 {
421 struct snd_card *card = comp->card->snd_card;
422 struct soc_bytes_ext *sb =
423 container_of(dobj, struct soc_bytes_ext, dobj);
424
425 if (pass != SOC_TPLG_PASS_MIXER)
426 return;
427
428 if (dobj->ops && dobj->ops->control_unload)
429 dobj->ops->control_unload(comp, dobj);
430
431 snd_ctl_remove(card, dobj->control.kcontrol);
432 list_del(&dobj->list);
433 kfree(sb);
434 }
435
436 /* remove a route */
437 static void remove_route(struct snd_soc_component *comp,
438 struct snd_soc_dobj *dobj, int pass)
439 {
440 struct snd_soc_dapm_route *route =
441 container_of(dobj, struct snd_soc_dapm_route, dobj);
442
443 if (pass != SOC_TPLG_PASS_GRAPH)
444 return;
445
446 if (dobj->ops && dobj->ops->dapm_route_unload)
447 dobj->ops->dapm_route_unload(comp, dobj);
448
449 list_del(&dobj->list);
450 kfree(route);
451 }
452
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)
456 {
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);
460 int i;
461
462 if (pass != SOC_TPLG_PASS_WIDGET)
463 return;
464
465 if (dobj->ops && dobj->ops->widget_unload)
466 dobj->ops->widget_unload(comp, dobj);
467
468 if (!w->kcontrols)
469 goto free_news;
470
471 /*
472 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
473 * The enum may either have an array of values or strings.
474 */
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;
481 int j;
482
483 snd_ctl_remove(card, kcontrol);
484
485 /* free enum kcontrol's dvalues and dtexts */
486 kfree(se->dobj.control.dvalues);
487 for (j = 0; j < se->items; j++)
488 kfree(se->dobj.control.dtexts[j]);
489 kfree(se->dobj.control.dtexts);
490
491 kfree(se);
492 kfree(w->kcontrol_news[i].name);
493 }
494 } else {
495 /* volume mixer or bytes controls */
496 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
497 struct snd_kcontrol *kcontrol = w->kcontrols[i];
498
499 if (dobj->widget.kcontrol_type
500 == SND_SOC_TPLG_TYPE_MIXER)
501 kfree(kcontrol->tlv.p);
502
503 /* Private value is used as struct soc_mixer_control
504 * for volume mixers or soc_bytes_ext for bytes
505 * controls.
506 */
507 kfree((void *)kcontrol->private_value);
508 snd_ctl_remove(card, kcontrol);
509 kfree(w->kcontrol_news[i].name);
510 }
511 }
512
513 free_news:
514 kfree(w->kcontrol_news);
515
516 list_del(&dobj->list);
517
518 /* widget w is freed by soc-dapm.c */
519 }
520
521 /* remove DAI configurations */
522 static void remove_dai(struct snd_soc_component *comp,
523 struct snd_soc_dobj *dobj, int pass)
524 {
525 struct snd_soc_dai_driver *dai_drv =
526 container_of(dobj, struct snd_soc_dai_driver, dobj);
527 struct snd_soc_dai *dai;
528
529 if (pass != SOC_TPLG_PASS_PCM_DAI)
530 return;
531
532 if (dobj->ops && dobj->ops->dai_unload)
533 dobj->ops->dai_unload(comp, dobj);
534
535 list_for_each_entry(dai, &comp->dai_list, list)
536 if (dai->driver == dai_drv)
537 dai->driver = NULL;
538
539 kfree(dai_drv->name);
540 list_del(&dobj->list);
541 kfree(dai_drv);
542 }
543
544 /* remove link configurations */
545 static void remove_link(struct snd_soc_component *comp,
546 struct snd_soc_dobj *dobj, int pass)
547 {
548 struct snd_soc_dai_link *link =
549 container_of(dobj, struct snd_soc_dai_link, dobj);
550
551 if (pass != SOC_TPLG_PASS_PCM_DAI)
552 return;
553
554 if (dobj->ops && dobj->ops->link_unload)
555 dobj->ops->link_unload(comp, dobj);
556
557 kfree(link->name);
558 kfree(link->stream_name);
559 kfree(link->cpu_dai_name);
560
561 list_del(&dobj->list);
562 snd_soc_remove_dai_link(comp->card, link);
563 kfree(link);
564 }
565
566 /* unload dai link */
567 static void remove_backend_link(struct snd_soc_component *comp,
568 struct snd_soc_dobj *dobj, int pass)
569 {
570 if (pass != SOC_TPLG_PASS_LINK)
571 return;
572
573 if (dobj->ops && dobj->ops->link_unload)
574 dobj->ops->link_unload(comp, dobj);
575
576 /*
577 * We don't free the link here as what remove_link() do since BE
578 * links are not allocated by topology.
579 * We however need to reset the dobj type to its initial values
580 */
581 dobj->type = SND_SOC_DOBJ_NONE;
582 list_del(&dobj->list);
583 }
584
585 /* bind a kcontrol to it's IO handlers */
586 static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
587 struct snd_kcontrol_new *k,
588 const struct soc_tplg *tplg)
589 {
590 const struct snd_soc_tplg_kcontrol_ops *ops;
591 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
592 int num_ops, i;
593
594 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
595 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
596 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
597 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
598 struct soc_bytes_ext *sbe;
599 struct snd_soc_tplg_bytes_control *be;
600
601 sbe = (struct soc_bytes_ext *)k->private_value;
602 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
603
604 /* TLV bytes controls need standard kcontrol info handler,
605 * TLV callback and extended put/get handlers.
606 */
607 k->info = snd_soc_bytes_info_ext;
608 k->tlv.c = snd_soc_bytes_tlv_callback;
609
610 ext_ops = tplg->bytes_ext_ops;
611 num_ops = tplg->bytes_ext_ops_count;
612 for (i = 0; i < num_ops; i++) {
613 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
614 sbe->put = ext_ops[i].put;
615 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
616 sbe->get = ext_ops[i].get;
617 }
618
619 if (sbe->put && sbe->get)
620 return 0;
621 else
622 return -EINVAL;
623 }
624
625 /* try and map vendor specific kcontrol handlers first */
626 ops = tplg->io_ops;
627 num_ops = tplg->io_ops_count;
628 for (i = 0; i < num_ops; i++) {
629
630 if (k->put == NULL && ops[i].id == hdr->ops.put)
631 k->put = ops[i].put;
632 if (k->get == NULL && ops[i].id == hdr->ops.get)
633 k->get = ops[i].get;
634 if (k->info == NULL && ops[i].id == hdr->ops.info)
635 k->info = ops[i].info;
636 }
637
638 /* vendor specific handlers found ? */
639 if (k->put && k->get && k->info)
640 return 0;
641
642 /* none found so try standard kcontrol handlers */
643 ops = io_ops;
644 num_ops = ARRAY_SIZE(io_ops);
645 for (i = 0; i < num_ops; i++) {
646
647 if (k->put == NULL && ops[i].id == hdr->ops.put)
648 k->put = ops[i].put;
649 if (k->get == NULL && ops[i].id == hdr->ops.get)
650 k->get = ops[i].get;
651 if (k->info == NULL && ops[i].id == hdr->ops.info)
652 k->info = ops[i].info;
653 }
654
655 /* standard handlers found ? */
656 if (k->put && k->get && k->info)
657 return 0;
658
659 /* nothing to bind */
660 return -EINVAL;
661 }
662
663 /* bind a widgets to it's evnt handlers */
664 int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
665 const struct snd_soc_tplg_widget_events *events,
666 int num_events, u16 event_type)
667 {
668 int i;
669
670 w->event = NULL;
671
672 for (i = 0; i < num_events; i++) {
673 if (event_type == events[i].type) {
674
675 /* found - so assign event */
676 w->event = events[i].event_handler;
677 return 0;
678 }
679 }
680
681 /* not found */
682 return -EINVAL;
683 }
684 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
685
686 /* optionally pass new dynamic kcontrol to component driver. */
687 static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
688 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
689 {
690 if (tplg->comp && tplg->ops && tplg->ops->control_load)
691 return tplg->ops->control_load(tplg->comp, tplg->index, k,
692 hdr);
693
694 return 0;
695 }
696
697
698 static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
699 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
700 {
701 unsigned int item_len = 2 * sizeof(unsigned int);
702 unsigned int *p;
703
704 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
705 if (!p)
706 return -ENOMEM;
707
708 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
709 p[1] = item_len;
710 p[2] = scale->min;
711 p[3] = (scale->step & TLV_DB_SCALE_MASK)
712 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
713
714 kc->tlv.p = (void *)p;
715 return 0;
716 }
717
718 static int soc_tplg_create_tlv(struct soc_tplg *tplg,
719 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
720 {
721 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
722
723 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
724 return 0;
725
726 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
727 tplg_tlv = &tc->tlv;
728 switch (tplg_tlv->type) {
729 case SNDRV_CTL_TLVT_DB_SCALE:
730 return soc_tplg_create_tlv_db_scale(tplg, kc,
731 &tplg_tlv->scale);
732
733 /* TODO: add support for other TLV types */
734 default:
735 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
736 tplg_tlv->type);
737 return -EINVAL;
738 }
739 }
740
741 return 0;
742 }
743
744 static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
745 struct snd_kcontrol_new *kc)
746 {
747 kfree(kc->tlv.p);
748 }
749
750 static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
751 size_t size)
752 {
753 struct snd_soc_tplg_bytes_control *be;
754 struct soc_bytes_ext *sbe;
755 struct snd_kcontrol_new kc;
756 int i, err;
757
758 if (soc_tplg_check_elem_count(tplg,
759 sizeof(struct snd_soc_tplg_bytes_control), count,
760 size, "mixer bytes")) {
761 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
762 count);
763 return -EINVAL;
764 }
765
766 for (i = 0; i < count; i++) {
767 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
768
769 /* validate kcontrol */
770 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
771 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
772 return -EINVAL;
773
774 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
775 if (sbe == NULL)
776 return -ENOMEM;
777
778 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
779 be->priv.size);
780
781 dev_dbg(tplg->dev,
782 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
783 be->hdr.name, be->hdr.access);
784
785 memset(&kc, 0, sizeof(kc));
786 kc.name = be->hdr.name;
787 kc.private_value = (long)sbe;
788 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
789 kc.access = be->hdr.access;
790
791 sbe->max = be->max;
792 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
793 sbe->dobj.ops = tplg->ops;
794 INIT_LIST_HEAD(&sbe->dobj.list);
795
796 /* map io handlers */
797 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
798 if (err) {
799 soc_control_err(tplg, &be->hdr, be->hdr.name);
800 kfree(sbe);
801 continue;
802 }
803
804 /* pass control to driver for optional further init */
805 err = soc_tplg_init_kcontrol(tplg, &kc,
806 (struct snd_soc_tplg_ctl_hdr *)be);
807 if (err < 0) {
808 dev_err(tplg->dev, "ASoC: failed to init %s\n",
809 be->hdr.name);
810 kfree(sbe);
811 continue;
812 }
813
814 /* register control here */
815 err = soc_tplg_add_kcontrol(tplg, &kc,
816 &sbe->dobj.control.kcontrol);
817 if (err < 0) {
818 dev_err(tplg->dev, "ASoC: failed to add %s\n",
819 be->hdr.name);
820 kfree(sbe);
821 continue;
822 }
823
824 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
825 }
826 return 0;
827
828 }
829
830 static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
831 size_t size)
832 {
833 struct snd_soc_tplg_mixer_control *mc;
834 struct soc_mixer_control *sm;
835 struct snd_kcontrol_new kc;
836 int i, err;
837
838 if (soc_tplg_check_elem_count(tplg,
839 sizeof(struct snd_soc_tplg_mixer_control),
840 count, size, "mixers")) {
841
842 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
843 count);
844 return -EINVAL;
845 }
846
847 for (i = 0; i < count; i++) {
848 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
849
850 /* validate kcontrol */
851 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
852 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
853 return -EINVAL;
854
855 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
856 if (sm == NULL)
857 return -ENOMEM;
858 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
859 mc->priv.size);
860
861 dev_dbg(tplg->dev,
862 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
863 mc->hdr.name, mc->hdr.access);
864
865 memset(&kc, 0, sizeof(kc));
866 kc.name = mc->hdr.name;
867 kc.private_value = (long)sm;
868 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
869 kc.access = mc->hdr.access;
870
871 /* we only support FL/FR channel mapping atm */
872 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
873 SNDRV_CHMAP_FL);
874 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
875 SNDRV_CHMAP_FR);
876 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
877 SNDRV_CHMAP_FL);
878 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
879 SNDRV_CHMAP_FR);
880
881 sm->max = mc->max;
882 sm->min = mc->min;
883 sm->invert = mc->invert;
884 sm->platform_max = mc->platform_max;
885 sm->dobj.index = tplg->index;
886 sm->dobj.ops = tplg->ops;
887 sm->dobj.type = SND_SOC_DOBJ_MIXER;
888 INIT_LIST_HEAD(&sm->dobj.list);
889
890 /* map io handlers */
891 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
892 if (err) {
893 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
894 kfree(sm);
895 continue;
896 }
897
898 /* pass control to driver for optional further init */
899 err = soc_tplg_init_kcontrol(tplg, &kc,
900 (struct snd_soc_tplg_ctl_hdr *) mc);
901 if (err < 0) {
902 dev_err(tplg->dev, "ASoC: failed to init %s\n",
903 mc->hdr.name);
904 kfree(sm);
905 continue;
906 }
907
908 /* create any TLV data */
909 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
910
911 /* register control here */
912 err = soc_tplg_add_kcontrol(tplg, &kc,
913 &sm->dobj.control.kcontrol);
914 if (err < 0) {
915 dev_err(tplg->dev, "ASoC: failed to add %s\n",
916 mc->hdr.name);
917 soc_tplg_free_tlv(tplg, &kc);
918 kfree(sm);
919 continue;
920 }
921
922 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
923 }
924
925 return 0;
926 }
927
928 static int soc_tplg_denum_create_texts(struct soc_enum *se,
929 struct snd_soc_tplg_enum_control *ec)
930 {
931 int i, ret;
932
933 se->dobj.control.dtexts =
934 kcalloc(ec->items, sizeof(char *), GFP_KERNEL);
935 if (se->dobj.control.dtexts == NULL)
936 return -ENOMEM;
937
938 for (i = 0; i < ec->items; i++) {
939
940 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
941 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
942 ret = -EINVAL;
943 goto err;
944 }
945
946 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
947 if (!se->dobj.control.dtexts[i]) {
948 ret = -ENOMEM;
949 goto err;
950 }
951 }
952
953 se->texts = (const char * const *)se->dobj.control.dtexts;
954 return 0;
955
956 err:
957 for (--i; i >= 0; i--)
958 kfree(se->dobj.control.dtexts[i]);
959 kfree(se->dobj.control.dtexts);
960 return ret;
961 }
962
963 static int soc_tplg_denum_create_values(struct soc_enum *se,
964 struct snd_soc_tplg_enum_control *ec)
965 {
966 if (ec->items > sizeof(*ec->values))
967 return -EINVAL;
968
969 se->dobj.control.dvalues = kmemdup(ec->values,
970 ec->items * sizeof(u32),
971 GFP_KERNEL);
972 if (!se->dobj.control.dvalues)
973 return -ENOMEM;
974
975 return 0;
976 }
977
978 static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
979 size_t size)
980 {
981 struct snd_soc_tplg_enum_control *ec;
982 struct soc_enum *se;
983 struct snd_kcontrol_new kc;
984 int i, ret, err;
985
986 if (soc_tplg_check_elem_count(tplg,
987 sizeof(struct snd_soc_tplg_enum_control),
988 count, size, "enums")) {
989
990 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
991 count);
992 return -EINVAL;
993 }
994
995 for (i = 0; i < count; i++) {
996 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
997 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
998 ec->priv.size);
999
1000 /* validate kcontrol */
1001 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1002 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1003 return -EINVAL;
1004
1005 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1006 if (se == NULL)
1007 return -ENOMEM;
1008
1009 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1010 ec->hdr.name, ec->items);
1011
1012 memset(&kc, 0, sizeof(kc));
1013 kc.name = ec->hdr.name;
1014 kc.private_value = (long)se;
1015 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1016 kc.access = ec->hdr.access;
1017
1018 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1019 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1020 SNDRV_CHMAP_FL);
1021 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1022 SNDRV_CHMAP_FL);
1023
1024 se->items = ec->items;
1025 se->mask = ec->mask;
1026 se->dobj.index = tplg->index;
1027 se->dobj.type = SND_SOC_DOBJ_ENUM;
1028 se->dobj.ops = tplg->ops;
1029 INIT_LIST_HEAD(&se->dobj.list);
1030
1031 switch (ec->hdr.ops.info) {
1032 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1033 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1034 err = soc_tplg_denum_create_values(se, ec);
1035 if (err < 0) {
1036 dev_err(tplg->dev,
1037 "ASoC: could not create values for %s\n",
1038 ec->hdr.name);
1039 kfree(se);
1040 continue;
1041 }
1042 /* fall through */
1043 case SND_SOC_TPLG_CTL_ENUM:
1044 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1045 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1046 err = soc_tplg_denum_create_texts(se, ec);
1047 if (err < 0) {
1048 dev_err(tplg->dev,
1049 "ASoC: could not create texts for %s\n",
1050 ec->hdr.name);
1051 kfree(se);
1052 continue;
1053 }
1054 break;
1055 default:
1056 dev_err(tplg->dev,
1057 "ASoC: invalid enum control type %d for %s\n",
1058 ec->hdr.ops.info, ec->hdr.name);
1059 kfree(se);
1060 continue;
1061 }
1062
1063 /* map io handlers */
1064 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
1065 if (err) {
1066 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1067 kfree(se);
1068 continue;
1069 }
1070
1071 /* pass control to driver for optional further init */
1072 err = soc_tplg_init_kcontrol(tplg, &kc,
1073 (struct snd_soc_tplg_ctl_hdr *) ec);
1074 if (err < 0) {
1075 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1076 ec->hdr.name);
1077 kfree(se);
1078 continue;
1079 }
1080
1081 /* register control here */
1082 ret = soc_tplg_add_kcontrol(tplg,
1083 &kc, &se->dobj.control.kcontrol);
1084 if (ret < 0) {
1085 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1086 ec->hdr.name);
1087 kfree(se);
1088 continue;
1089 }
1090
1091 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1092 }
1093
1094 return 0;
1095 }
1096
1097 static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1098 struct snd_soc_tplg_hdr *hdr)
1099 {
1100 struct snd_soc_tplg_ctl_hdr *control_hdr;
1101 int i;
1102
1103 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1104 tplg->pos += hdr->size + hdr->payload_size;
1105 return 0;
1106 }
1107
1108 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1109 soc_tplg_get_offset(tplg));
1110
1111 for (i = 0; i < hdr->count; i++) {
1112
1113 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1114
1115 if (control_hdr->size != sizeof(*control_hdr)) {
1116 dev_err(tplg->dev, "ASoC: invalid control size\n");
1117 return -EINVAL;
1118 }
1119
1120 switch (control_hdr->ops.info) {
1121 case SND_SOC_TPLG_CTL_VOLSW:
1122 case SND_SOC_TPLG_CTL_STROBE:
1123 case SND_SOC_TPLG_CTL_VOLSW_SX:
1124 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1125 case SND_SOC_TPLG_CTL_RANGE:
1126 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1127 case SND_SOC_TPLG_DAPM_CTL_PIN:
1128 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1129 break;
1130 case SND_SOC_TPLG_CTL_ENUM:
1131 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1132 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1133 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1134 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1135 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1136 break;
1137 case SND_SOC_TPLG_CTL_BYTES:
1138 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1139 break;
1140 default:
1141 soc_bind_err(tplg, control_hdr, i);
1142 return -EINVAL;
1143 }
1144 }
1145
1146 return 0;
1147 }
1148
1149 /* optionally pass new dynamic kcontrol to component driver. */
1150 static int soc_tplg_add_route(struct soc_tplg *tplg,
1151 struct snd_soc_dapm_route *route)
1152 {
1153 if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
1154 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1155 route);
1156
1157 return 0;
1158 }
1159
1160 static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1161 struct snd_soc_tplg_hdr *hdr)
1162 {
1163 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1164 struct snd_soc_tplg_dapm_graph_elem *elem;
1165 struct snd_soc_dapm_route **routes;
1166 int count = hdr->count, i, j;
1167 int ret = 0;
1168
1169 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1170 tplg->pos += hdr->size + hdr->payload_size;
1171 return 0;
1172 }
1173
1174 if (soc_tplg_check_elem_count(tplg,
1175 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1176 count, hdr->payload_size, "graph")) {
1177
1178 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1179 count);
1180 return -EINVAL;
1181 }
1182
1183 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1184 hdr->index);
1185
1186 /* allocate memory for pointer to array of dapm routes */
1187 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1188 GFP_KERNEL);
1189 if (!routes)
1190 return -ENOMEM;
1191
1192 /*
1193 * allocate memory for each dapm route in the array.
1194 * This needs to be done individually so that
1195 * each route can be freed when it is removed in remove_route().
1196 */
1197 for (i = 0; i < count; i++) {
1198 routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL);
1199 if (!routes[i]) {
1200 /* free previously allocated memory */
1201 for (j = 0; j < i; j++)
1202 kfree(routes[j]);
1203
1204 kfree(routes);
1205 return -ENOMEM;
1206 }
1207 }
1208
1209 for (i = 0; i < count; i++) {
1210 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1211 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1212
1213 /* validate routes */
1214 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1215 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1216 ret = -EINVAL;
1217 break;
1218 }
1219 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1220 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1221 ret = -EINVAL;
1222 break;
1223 }
1224 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1225 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1226 ret = -EINVAL;
1227 break;
1228 }
1229
1230 routes[i]->source = elem->source;
1231 routes[i]->sink = elem->sink;
1232
1233 /* set to NULL atm for tplg users */
1234 routes[i]->connected = NULL;
1235 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1236 routes[i]->control = NULL;
1237 else
1238 routes[i]->control = elem->control;
1239
1240 /* add route dobj to dobj_list */
1241 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1242 routes[i]->dobj.ops = tplg->ops;
1243 routes[i]->dobj.index = tplg->index;
1244 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
1245
1246 soc_tplg_add_route(tplg, routes[i]);
1247
1248 /* add route, but keep going if some fail */
1249 snd_soc_dapm_add_routes(dapm, routes[i], 1);
1250 }
1251
1252 /* free memory allocated for all dapm routes in case of error */
1253 if (ret < 0)
1254 for (i = 0; i < count ; i++)
1255 kfree(routes[i]);
1256
1257 /*
1258 * free pointer to array of dapm routes as this is no longer needed.
1259 * The memory allocated for each dapm route will be freed
1260 * when it is removed in remove_route().
1261 */
1262 kfree(routes);
1263
1264 return ret;
1265 }
1266
1267 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1268 struct soc_tplg *tplg, int num_kcontrols)
1269 {
1270 struct snd_kcontrol_new *kc;
1271 struct soc_mixer_control *sm;
1272 struct snd_soc_tplg_mixer_control *mc;
1273 int i, err;
1274
1275 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1276 if (kc == NULL)
1277 return NULL;
1278
1279 for (i = 0; i < num_kcontrols; i++) {
1280 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1281 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1282 if (sm == NULL)
1283 goto err;
1284
1285 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1286 mc->priv.size);
1287
1288 /* validate kcontrol */
1289 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1290 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1291 goto err_str;
1292
1293 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1294 mc->hdr.name, i);
1295
1296 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1297 if (kc[i].name == NULL)
1298 goto err_str;
1299 kc[i].private_value = (long)sm;
1300 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1301 kc[i].access = mc->hdr.access;
1302
1303 /* we only support FL/FR channel mapping atm */
1304 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1305 SNDRV_CHMAP_FL);
1306 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1307 SNDRV_CHMAP_FR);
1308 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1309 SNDRV_CHMAP_FL);
1310 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1311 SNDRV_CHMAP_FR);
1312
1313 sm->max = mc->max;
1314 sm->min = mc->min;
1315 sm->invert = mc->invert;
1316 sm->platform_max = mc->platform_max;
1317 sm->dobj.index = tplg->index;
1318 INIT_LIST_HEAD(&sm->dobj.list);
1319
1320 /* map io handlers */
1321 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
1322 if (err) {
1323 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1324 kfree(sm);
1325 continue;
1326 }
1327
1328 /* pass control to driver for optional further init */
1329 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1330 (struct snd_soc_tplg_ctl_hdr *)mc);
1331 if (err < 0) {
1332 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1333 mc->hdr.name);
1334 kfree(sm);
1335 continue;
1336 }
1337
1338 /* create any TLV data */
1339 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1340 }
1341 return kc;
1342
1343 err_str:
1344 kfree(sm);
1345 err:
1346 for (--i; i >= 0; i--) {
1347 kfree((void *)kc[i].private_value);
1348 kfree(kc[i].name);
1349 }
1350 kfree(kc);
1351 return NULL;
1352 }
1353
1354 static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1355 struct soc_tplg *tplg, int num_kcontrols)
1356 {
1357 struct snd_kcontrol_new *kc;
1358 struct snd_soc_tplg_enum_control *ec;
1359 struct soc_enum *se;
1360 int i, j, err;
1361
1362 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1363 if (kc == NULL)
1364 return NULL;
1365
1366 for (i = 0; i < num_kcontrols; i++) {
1367 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1368 /* validate kcontrol */
1369 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1370 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1371 goto err;
1372
1373 se = kzalloc(sizeof(*se), GFP_KERNEL);
1374 if (se == NULL)
1375 goto err;
1376
1377 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1378 ec->hdr.name);
1379
1380 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
1381 if (kc[i].name == NULL) {
1382 kfree(se);
1383 goto err_se;
1384 }
1385 kc[i].private_value = (long)se;
1386 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1387 kc[i].access = ec->hdr.access;
1388
1389 /* we only support FL/FR channel mapping atm */
1390 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1391 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1392 SNDRV_CHMAP_FL);
1393 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1394 SNDRV_CHMAP_FR);
1395
1396 se->items = ec->items;
1397 se->mask = ec->mask;
1398 se->dobj.index = tplg->index;
1399
1400 switch (ec->hdr.ops.info) {
1401 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1402 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1403 err = soc_tplg_denum_create_values(se, ec);
1404 if (err < 0) {
1405 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1406 ec->hdr.name);
1407 goto err_se;
1408 }
1409 /* fall through */
1410 case SND_SOC_TPLG_CTL_ENUM:
1411 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1412 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1413 err = soc_tplg_denum_create_texts(se, ec);
1414 if (err < 0) {
1415 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1416 ec->hdr.name);
1417 goto err_se;
1418 }
1419 break;
1420 default:
1421 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1422 ec->hdr.ops.info, ec->hdr.name);
1423 goto err_se;
1424 }
1425
1426 /* map io handlers */
1427 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1428 if (err) {
1429 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1430 goto err_se;
1431 }
1432
1433 /* pass control to driver for optional further init */
1434 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1435 (struct snd_soc_tplg_ctl_hdr *)ec);
1436 if (err < 0) {
1437 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1438 ec->hdr.name);
1439 goto err_se;
1440 }
1441
1442 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1443 ec->priv.size);
1444 }
1445
1446 return kc;
1447
1448 err_se:
1449 for (; i >= 0; i--) {
1450 /* free values and texts */
1451 se = (struct soc_enum *)kc[i].private_value;
1452 if (!se)
1453 continue;
1454
1455 kfree(se->dobj.control.dvalues);
1456 for (j = 0; j < ec->items; j++)
1457 kfree(se->dobj.control.dtexts[j]);
1458 kfree(se->dobj.control.dtexts);
1459
1460 kfree(se);
1461 kfree(kc[i].name);
1462 }
1463 err:
1464 kfree(kc);
1465
1466 return NULL;
1467 }
1468
1469 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1470 struct soc_tplg *tplg, int count)
1471 {
1472 struct snd_soc_tplg_bytes_control *be;
1473 struct soc_bytes_ext *sbe;
1474 struct snd_kcontrol_new *kc;
1475 int i, err;
1476
1477 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
1478 if (!kc)
1479 return NULL;
1480
1481 for (i = 0; i < count; i++) {
1482 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1483
1484 /* validate kcontrol */
1485 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1486 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1487 goto err;
1488
1489 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1490 if (sbe == NULL)
1491 goto err;
1492
1493 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1494 be->priv.size);
1495
1496 dev_dbg(tplg->dev,
1497 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1498 be->hdr.name, be->hdr.access);
1499
1500 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
1501 if (kc[i].name == NULL) {
1502 kfree(sbe);
1503 goto err;
1504 }
1505 kc[i].private_value = (long)sbe;
1506 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1507 kc[i].access = be->hdr.access;
1508
1509 sbe->max = be->max;
1510 INIT_LIST_HEAD(&sbe->dobj.list);
1511
1512 /* map standard io handlers and check for external handlers */
1513 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
1514 if (err) {
1515 soc_control_err(tplg, &be->hdr, be->hdr.name);
1516 kfree(sbe);
1517 continue;
1518 }
1519
1520 /* pass control to driver for optional further init */
1521 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1522 (struct snd_soc_tplg_ctl_hdr *)be);
1523 if (err < 0) {
1524 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1525 be->hdr.name);
1526 kfree(sbe);
1527 continue;
1528 }
1529 }
1530
1531 return kc;
1532
1533 err:
1534 for (--i; i >= 0; i--) {
1535 kfree((void *)kc[i].private_value);
1536 kfree(kc[i].name);
1537 }
1538
1539 kfree(kc);
1540 return NULL;
1541 }
1542
1543 static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1544 struct snd_soc_tplg_dapm_widget *w)
1545 {
1546 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1547 struct snd_soc_dapm_widget template, *widget;
1548 struct snd_soc_tplg_ctl_hdr *control_hdr;
1549 struct snd_soc_card *card = tplg->comp->card;
1550 unsigned int kcontrol_type;
1551 int ret = 0;
1552
1553 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1554 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1555 return -EINVAL;
1556 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1557 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1558 return -EINVAL;
1559
1560 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1561 w->name, w->id);
1562
1563 memset(&template, 0, sizeof(template));
1564
1565 /* map user to kernel widget ID */
1566 template.id = get_widget_id(w->id);
1567 if (template.id < 0)
1568 return template.id;
1569
1570 /* strings are allocated here, but used and freed by the widget */
1571 template.name = kstrdup(w->name, GFP_KERNEL);
1572 if (!template.name)
1573 return -ENOMEM;
1574 template.sname = kstrdup(w->sname, GFP_KERNEL);
1575 if (!template.sname) {
1576 ret = -ENOMEM;
1577 goto err;
1578 }
1579 template.reg = w->reg;
1580 template.shift = w->shift;
1581 template.mask = w->mask;
1582 template.subseq = w->subseq;
1583 template.on_val = w->invert ? 0 : 1;
1584 template.off_val = w->invert ? 1 : 0;
1585 template.ignore_suspend = w->ignore_suspend;
1586 template.event_flags = w->event_flags;
1587 template.dobj.index = tplg->index;
1588
1589 tplg->pos +=
1590 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1591 if (w->num_kcontrols == 0) {
1592 kcontrol_type = 0;
1593 template.num_kcontrols = 0;
1594 goto widget;
1595 }
1596
1597 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1598 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1599 w->name, w->num_kcontrols, control_hdr->type);
1600
1601 switch (control_hdr->ops.info) {
1602 case SND_SOC_TPLG_CTL_VOLSW:
1603 case SND_SOC_TPLG_CTL_STROBE:
1604 case SND_SOC_TPLG_CTL_VOLSW_SX:
1605 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1606 case SND_SOC_TPLG_CTL_RANGE:
1607 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1608 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
1609 template.num_kcontrols = w->num_kcontrols;
1610 template.kcontrol_news =
1611 soc_tplg_dapm_widget_dmixer_create(tplg,
1612 template.num_kcontrols);
1613 if (!template.kcontrol_news) {
1614 ret = -ENOMEM;
1615 goto hdr_err;
1616 }
1617 break;
1618 case SND_SOC_TPLG_CTL_ENUM:
1619 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1620 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1621 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1622 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1623 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1624 template.num_kcontrols = w->num_kcontrols;
1625 template.kcontrol_news =
1626 soc_tplg_dapm_widget_denum_create(tplg,
1627 template.num_kcontrols);
1628 if (!template.kcontrol_news) {
1629 ret = -ENOMEM;
1630 goto hdr_err;
1631 }
1632 break;
1633 case SND_SOC_TPLG_CTL_BYTES:
1634 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
1635 template.num_kcontrols = w->num_kcontrols;
1636 template.kcontrol_news =
1637 soc_tplg_dapm_widget_dbytes_create(tplg,
1638 template.num_kcontrols);
1639 if (!template.kcontrol_news) {
1640 ret = -ENOMEM;
1641 goto hdr_err;
1642 }
1643 break;
1644 default:
1645 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1646 control_hdr->ops.get, control_hdr->ops.put,
1647 control_hdr->ops.info);
1648 ret = -EINVAL;
1649 goto hdr_err;
1650 }
1651
1652 widget:
1653 ret = soc_tplg_widget_load(tplg, &template, w);
1654 if (ret < 0)
1655 goto hdr_err;
1656
1657 /* card dapm mutex is held by the core if we are loading topology
1658 * data during sound card init. */
1659 if (card->instantiated)
1660 widget = snd_soc_dapm_new_control(dapm, &template);
1661 else
1662 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
1663 if (IS_ERR(widget)) {
1664 ret = PTR_ERR(widget);
1665 goto hdr_err;
1666 }
1667
1668 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
1669 widget->dobj.widget.kcontrol_type = kcontrol_type;
1670 widget->dobj.ops = tplg->ops;
1671 widget->dobj.index = tplg->index;
1672 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
1673
1674 ret = soc_tplg_widget_ready(tplg, widget, w);
1675 if (ret < 0)
1676 goto ready_err;
1677
1678 kfree(template.sname);
1679 kfree(template.name);
1680
1681 return 0;
1682
1683 ready_err:
1684 snd_soc_tplg_widget_remove(widget);
1685 snd_soc_dapm_free_widget(widget);
1686 hdr_err:
1687 kfree(template.sname);
1688 err:
1689 kfree(template.name);
1690 return ret;
1691 }
1692
1693 static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1694 struct snd_soc_tplg_hdr *hdr)
1695 {
1696 struct snd_soc_tplg_dapm_widget *widget;
1697 int ret, count = hdr->count, i;
1698
1699 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1700 return 0;
1701
1702 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1703
1704 for (i = 0; i < count; i++) {
1705 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1706 if (widget->size != sizeof(*widget)) {
1707 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1708 return -EINVAL;
1709 }
1710
1711 ret = soc_tplg_dapm_widget_create(tplg, widget);
1712 if (ret < 0) {
1713 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1714 widget->name);
1715 return ret;
1716 }
1717 }
1718
1719 return 0;
1720 }
1721
1722 static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1723 {
1724 struct snd_soc_card *card = tplg->comp->card;
1725 int ret;
1726
1727 /* Card might not have been registered at this point.
1728 * If so, just return success.
1729 */
1730 if (!card || !card->instantiated) {
1731 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
1732 " widget card binding deferred\n");
1733 return 0;
1734 }
1735
1736 ret = snd_soc_dapm_new_widgets(card);
1737 if (ret < 0)
1738 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1739 ret);
1740
1741 return 0;
1742 }
1743
1744 static void set_stream_info(struct snd_soc_pcm_stream *stream,
1745 struct snd_soc_tplg_stream_caps *caps)
1746 {
1747 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1748 stream->channels_min = caps->channels_min;
1749 stream->channels_max = caps->channels_max;
1750 stream->rates = caps->rates;
1751 stream->rate_min = caps->rate_min;
1752 stream->rate_max = caps->rate_max;
1753 stream->formats = caps->formats;
1754 stream->sig_bits = caps->sig_bits;
1755 }
1756
1757 static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1758 unsigned int flag_mask, unsigned int flags)
1759 {
1760 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1761 dai_drv->symmetric_rates =
1762 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1763
1764 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1765 dai_drv->symmetric_channels =
1766 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1767 1 : 0;
1768
1769 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1770 dai_drv->symmetric_samplebits =
1771 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1772 1 : 0;
1773 }
1774
1775 static int soc_tplg_dai_create(struct soc_tplg *tplg,
1776 struct snd_soc_tplg_pcm *pcm)
1777 {
1778 struct snd_soc_dai_driver *dai_drv;
1779 struct snd_soc_pcm_stream *stream;
1780 struct snd_soc_tplg_stream_caps *caps;
1781 int ret;
1782
1783 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1784 if (dai_drv == NULL)
1785 return -ENOMEM;
1786
1787 if (strlen(pcm->dai_name))
1788 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
1789 dai_drv->id = pcm->dai_id;
1790
1791 if (pcm->playback) {
1792 stream = &dai_drv->playback;
1793 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
1794 set_stream_info(stream, caps);
1795 }
1796
1797 if (pcm->capture) {
1798 stream = &dai_drv->capture;
1799 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
1800 set_stream_info(stream, caps);
1801 }
1802
1803 if (pcm->compress)
1804 dai_drv->compress_new = snd_soc_new_compress;
1805
1806 /* pass control to component driver for optional further init */
1807 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
1808 if (ret < 0) {
1809 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1810 kfree(dai_drv);
1811 return ret;
1812 }
1813
1814 dai_drv->dobj.index = tplg->index;
1815 dai_drv->dobj.ops = tplg->ops;
1816 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1817 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1818
1819 /* register the DAI to the component */
1820 return snd_soc_register_dai(tplg->comp, dai_drv);
1821 }
1822
1823 static void set_link_flags(struct snd_soc_dai_link *link,
1824 unsigned int flag_mask, unsigned int flags)
1825 {
1826 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1827 link->symmetric_rates =
1828 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1829
1830 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1831 link->symmetric_channels =
1832 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1833 1 : 0;
1834
1835 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1836 link->symmetric_samplebits =
1837 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1838 1 : 0;
1839
1840 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1841 link->ignore_suspend =
1842 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1843 1 : 0;
1844 }
1845
1846 /* create the FE DAI link */
1847 static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
1848 struct snd_soc_tplg_pcm *pcm)
1849 {
1850 struct snd_soc_dai_link *link;
1851 int ret;
1852
1853 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1854 if (link == NULL)
1855 return -ENOMEM;
1856
1857 if (strlen(pcm->pcm_name)) {
1858 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1859 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1860 }
1861 link->id = pcm->pcm_id;
1862
1863 if (strlen(pcm->dai_name))
1864 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1865
1866 link->codec_name = "snd-soc-dummy";
1867 link->codec_dai_name = "snd-soc-dummy-dai";
1868
1869 /* enable DPCM */
1870 link->dynamic = 1;
1871 link->dpcm_playback = pcm->playback;
1872 link->dpcm_capture = pcm->capture;
1873 if (pcm->flag_mask)
1874 set_link_flags(link, pcm->flag_mask, pcm->flags);
1875
1876 /* pass control to component driver for optional further init */
1877 ret = soc_tplg_dai_link_load(tplg, link, NULL);
1878 if (ret < 0) {
1879 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1880 kfree(link);
1881 return ret;
1882 }
1883
1884 link->dobj.index = tplg->index;
1885 link->dobj.ops = tplg->ops;
1886 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1887 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1888
1889 snd_soc_add_dai_link(tplg->comp->card, link);
1890 return 0;
1891 }
1892
1893 /* create a FE DAI and DAI link from the PCM object */
1894 static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1895 struct snd_soc_tplg_pcm *pcm)
1896 {
1897 int ret;
1898
1899 ret = soc_tplg_dai_create(tplg, pcm);
1900 if (ret < 0)
1901 return ret;
1902
1903 return soc_tplg_fe_link_create(tplg, pcm);
1904 }
1905
1906 /* copy stream caps from the old version 4 of source */
1907 static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1908 struct snd_soc_tplg_stream_caps_v4 *src)
1909 {
1910 dest->size = sizeof(*dest);
1911 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1912 dest->formats = src->formats;
1913 dest->rates = src->rates;
1914 dest->rate_min = src->rate_min;
1915 dest->rate_max = src->rate_max;
1916 dest->channels_min = src->channels_min;
1917 dest->channels_max = src->channels_max;
1918 dest->periods_min = src->periods_min;
1919 dest->periods_max = src->periods_max;
1920 dest->period_size_min = src->period_size_min;
1921 dest->period_size_max = src->period_size_max;
1922 dest->buffer_size_min = src->buffer_size_min;
1923 dest->buffer_size_max = src->buffer_size_max;
1924 }
1925
1926 /**
1927 * pcm_new_ver - Create the new version of PCM from the old version.
1928 * @tplg: topology context
1929 * @src: older version of pcm as a source
1930 * @pcm: latest version of pcm created from the source
1931 *
1932 * Support from vesion 4. User should free the returned pcm manually.
1933 */
1934 static int pcm_new_ver(struct soc_tplg *tplg,
1935 struct snd_soc_tplg_pcm *src,
1936 struct snd_soc_tplg_pcm **pcm)
1937 {
1938 struct snd_soc_tplg_pcm *dest;
1939 struct snd_soc_tplg_pcm_v4 *src_v4;
1940 int i;
1941
1942 *pcm = NULL;
1943
1944 if (src->size != sizeof(*src_v4)) {
1945 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1946 return -EINVAL;
1947 }
1948
1949 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1950 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1951 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1952 if (!dest)
1953 return -ENOMEM;
1954
1955 dest->size = sizeof(*dest); /* size of latest abi version */
1956 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1957 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1958 dest->pcm_id = src_v4->pcm_id;
1959 dest->dai_id = src_v4->dai_id;
1960 dest->playback = src_v4->playback;
1961 dest->capture = src_v4->capture;
1962 dest->compress = src_v4->compress;
1963 dest->num_streams = src_v4->num_streams;
1964 for (i = 0; i < dest->num_streams; i++)
1965 memcpy(&dest->stream[i], &src_v4->stream[i],
1966 sizeof(struct snd_soc_tplg_stream));
1967
1968 for (i = 0; i < 2; i++)
1969 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1970
1971 *pcm = dest;
1972 return 0;
1973 }
1974
1975 static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
1976 struct snd_soc_tplg_hdr *hdr)
1977 {
1978 struct snd_soc_tplg_pcm *pcm, *_pcm;
1979 int count = hdr->count;
1980 int i;
1981 bool abi_match;
1982
1983 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1984 return 0;
1985
1986 /* check the element size and count */
1987 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1988 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1989 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1990 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1991 pcm->size);
1992 return -EINVAL;
1993 }
1994
1995 if (soc_tplg_check_elem_count(tplg,
1996 pcm->size, count,
1997 hdr->payload_size, "PCM DAI")) {
1998 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1999 count);
2000 return -EINVAL;
2001 }
2002
2003 for (i = 0; i < count; i++) {
2004 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
2005
2006 /* check ABI version by size, create a new version of pcm
2007 * if abi not match.
2008 */
2009 if (pcm->size == sizeof(*pcm)) {
2010 abi_match = true;
2011 _pcm = pcm;
2012 } else {
2013 abi_match = false;
2014 pcm_new_ver(tplg, pcm, &_pcm);
2015 }
2016
2017 /* create the FE DAIs and DAI links */
2018 soc_tplg_pcm_create(tplg, _pcm);
2019
2020 /* offset by version-specific struct size and
2021 * real priv data size
2022 */
2023 tplg->pos += pcm->size + _pcm->priv.size;
2024
2025 if (!abi_match)
2026 kfree(_pcm); /* free the duplicated one */
2027 }
2028
2029 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
2030
2031 return 0;
2032 }
2033
2034 /**
2035 * set_link_hw_format - Set the HW audio format of the physical DAI link.
2036 * @link: &snd_soc_dai_link which should be updated
2037 * @cfg: physical link configs.
2038 *
2039 * Topology context contains a list of supported HW formats (configs) and
2040 * a default format ID for the physical link. This function will use this
2041 * default ID to choose the HW format to set the link's DAI format for init.
2042 */
2043 static void set_link_hw_format(struct snd_soc_dai_link *link,
2044 struct snd_soc_tplg_link_config *cfg)
2045 {
2046 struct snd_soc_tplg_hw_config *hw_config;
2047 unsigned char bclk_master, fsync_master;
2048 unsigned char invert_bclk, invert_fsync;
2049 int i;
2050
2051 for (i = 0; i < cfg->num_hw_configs; i++) {
2052 hw_config = &cfg->hw_config[i];
2053 if (hw_config->id != cfg->default_hw_config_id)
2054 continue;
2055
2056 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
2057
2058 /* clock gating */
2059 switch (hw_config->clock_gated) {
2060 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
2061 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
2062 break;
2063
2064 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
2065 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
2066 break;
2067
2068 default:
2069 /* ignore the value */
2070 break;
2071 }
2072
2073 /* clock signal polarity */
2074 invert_bclk = hw_config->invert_bclk;
2075 invert_fsync = hw_config->invert_fsync;
2076 if (!invert_bclk && !invert_fsync)
2077 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2078 else if (!invert_bclk && invert_fsync)
2079 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2080 else if (invert_bclk && !invert_fsync)
2081 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2082 else
2083 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2084
2085 /* clock masters */
2086 bclk_master = (hw_config->bclk_master ==
2087 SND_SOC_TPLG_BCLK_CM);
2088 fsync_master = (hw_config->fsync_master ==
2089 SND_SOC_TPLG_FSYNC_CM);
2090 if (bclk_master && fsync_master)
2091 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
2092 else if (!bclk_master && fsync_master)
2093 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2094 else if (bclk_master && !fsync_master)
2095 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2096 else
2097 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2098 }
2099 }
2100
2101 /**
2102 * link_new_ver - Create a new physical link config from the old
2103 * version of source.
2104 * @tplg: topology context
2105 * @src: old version of phyical link config as a source
2106 * @link: latest version of physical link config created from the source
2107 *
2108 * Support from vesion 4. User need free the returned link config manually.
2109 */
2110 static int link_new_ver(struct soc_tplg *tplg,
2111 struct snd_soc_tplg_link_config *src,
2112 struct snd_soc_tplg_link_config **link)
2113 {
2114 struct snd_soc_tplg_link_config *dest;
2115 struct snd_soc_tplg_link_config_v4 *src_v4;
2116 int i;
2117
2118 *link = NULL;
2119
2120 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
2121 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2122 return -EINVAL;
2123 }
2124
2125 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2126
2127 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2128 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2129 if (!dest)
2130 return -ENOMEM;
2131
2132 dest->size = sizeof(*dest);
2133 dest->id = src_v4->id;
2134 dest->num_streams = src_v4->num_streams;
2135 for (i = 0; i < dest->num_streams; i++)
2136 memcpy(&dest->stream[i], &src_v4->stream[i],
2137 sizeof(struct snd_soc_tplg_stream));
2138
2139 *link = dest;
2140 return 0;
2141 }
2142
2143 /* Find and configure an existing physical DAI link */
2144 static int soc_tplg_link_config(struct soc_tplg *tplg,
2145 struct snd_soc_tplg_link_config *cfg)
2146 {
2147 struct snd_soc_dai_link *link;
2148 const char *name, *stream_name;
2149 size_t len;
2150 int ret;
2151
2152 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2153 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2154 return -EINVAL;
2155 else if (len)
2156 name = cfg->name;
2157 else
2158 name = NULL;
2159
2160 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2161 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2162 return -EINVAL;
2163 else if (len)
2164 stream_name = cfg->stream_name;
2165 else
2166 stream_name = NULL;
2167
2168 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2169 name, stream_name);
2170 if (!link) {
2171 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2172 name, cfg->id);
2173 return -EINVAL;
2174 }
2175
2176 /* hw format */
2177 if (cfg->num_hw_configs)
2178 set_link_hw_format(link, cfg);
2179
2180 /* flags */
2181 if (cfg->flag_mask)
2182 set_link_flags(link, cfg->flag_mask, cfg->flags);
2183
2184 /* pass control to component driver for optional further init */
2185 ret = soc_tplg_dai_link_load(tplg, link, cfg);
2186 if (ret < 0) {
2187 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2188 return ret;
2189 }
2190
2191 /* for unloading it in snd_soc_tplg_component_remove */
2192 link->dobj.index = tplg->index;
2193 link->dobj.ops = tplg->ops;
2194 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2195 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2196
2197 return 0;
2198 }
2199
2200
2201 /* Load physical link config elements from the topology context */
2202 static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2203 struct snd_soc_tplg_hdr *hdr)
2204 {
2205 struct snd_soc_tplg_link_config *link, *_link;
2206 int count = hdr->count;
2207 int i, ret;
2208 bool abi_match;
2209
2210 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2211 tplg->pos += hdr->size + hdr->payload_size;
2212 return 0;
2213 };
2214
2215 /* check the element size and count */
2216 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2217 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2218 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2219 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2220 link->size);
2221 return -EINVAL;
2222 }
2223
2224 if (soc_tplg_check_elem_count(tplg,
2225 link->size, count,
2226 hdr->payload_size, "physical link config")) {
2227 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2228 count);
2229 return -EINVAL;
2230 }
2231
2232 /* config physical DAI links */
2233 for (i = 0; i < count; i++) {
2234 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2235 if (link->size == sizeof(*link)) {
2236 abi_match = true;
2237 _link = link;
2238 } else {
2239 abi_match = false;
2240 ret = link_new_ver(tplg, link, &_link);
2241 if (ret < 0)
2242 return ret;
2243 }
2244
2245 ret = soc_tplg_link_config(tplg, _link);
2246 if (ret < 0)
2247 return ret;
2248
2249 /* offset by version-specific struct size and
2250 * real priv data size
2251 */
2252 tplg->pos += link->size + _link->priv.size;
2253
2254 if (!abi_match)
2255 kfree(_link); /* free the duplicated one */
2256 }
2257
2258 return 0;
2259 }
2260
2261 /**
2262 * soc_tplg_dai_config - Find and configure an existing physical DAI.
2263 * @tplg: topology context
2264 * @d: physical DAI configs.
2265 *
2266 * The physical dai should already be registered by the platform driver.
2267 * The platform driver should specify the DAI name and ID for matching.
2268 */
2269 static int soc_tplg_dai_config(struct soc_tplg *tplg,
2270 struct snd_soc_tplg_dai *d)
2271 {
2272 struct snd_soc_dai_link_component dai_component = {0};
2273 struct snd_soc_dai *dai;
2274 struct snd_soc_dai_driver *dai_drv;
2275 struct snd_soc_pcm_stream *stream;
2276 struct snd_soc_tplg_stream_caps *caps;
2277 int ret;
2278
2279 dai_component.dai_name = d->dai_name;
2280 dai = snd_soc_find_dai(&dai_component);
2281 if (!dai) {
2282 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2283 d->dai_name);
2284 return -EINVAL;
2285 }
2286
2287 if (d->dai_id != dai->id) {
2288 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2289 d->dai_name);
2290 return -EINVAL;
2291 }
2292
2293 dai_drv = dai->driver;
2294 if (!dai_drv)
2295 return -EINVAL;
2296
2297 if (d->playback) {
2298 stream = &dai_drv->playback;
2299 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
2300 set_stream_info(stream, caps);
2301 }
2302
2303 if (d->capture) {
2304 stream = &dai_drv->capture;
2305 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
2306 set_stream_info(stream, caps);
2307 }
2308
2309 if (d->flag_mask)
2310 set_dai_flags(dai_drv, d->flag_mask, d->flags);
2311
2312 /* pass control to component driver for optional further init */
2313 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
2314 if (ret < 0) {
2315 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2316 return ret;
2317 }
2318
2319 return 0;
2320 }
2321
2322 /* load physical DAI elements */
2323 static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2324 struct snd_soc_tplg_hdr *hdr)
2325 {
2326 struct snd_soc_tplg_dai *dai;
2327 int count = hdr->count;
2328 int i;
2329
2330 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2331 return 0;
2332
2333 /* config the existing BE DAIs */
2334 for (i = 0; i < count; i++) {
2335 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2336 if (dai->size != sizeof(*dai)) {
2337 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
2338 return -EINVAL;
2339 }
2340
2341 soc_tplg_dai_config(tplg, dai);
2342 tplg->pos += (sizeof(*dai) + dai->priv.size);
2343 }
2344
2345 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2346 return 0;
2347 }
2348
2349 /**
2350 * manifest_new_ver - Create a new version of manifest from the old version
2351 * of source.
2352 * @tplg: topology context
2353 * @src: old version of manifest as a source
2354 * @manifest: latest version of manifest created from the source
2355 *
2356 * Support from vesion 4. Users need free the returned manifest manually.
2357 */
2358 static int manifest_new_ver(struct soc_tplg *tplg,
2359 struct snd_soc_tplg_manifest *src,
2360 struct snd_soc_tplg_manifest **manifest)
2361 {
2362 struct snd_soc_tplg_manifest *dest;
2363 struct snd_soc_tplg_manifest_v4 *src_v4;
2364
2365 *manifest = NULL;
2366
2367 if (src->size != sizeof(*src_v4)) {
2368 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
2369 src->size);
2370 if (src->size)
2371 return -EINVAL;
2372 src->size = sizeof(*src_v4);
2373 }
2374
2375 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2376
2377 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2378 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2379 if (!dest)
2380 return -ENOMEM;
2381
2382 dest->size = sizeof(*dest); /* size of latest abi version */
2383 dest->control_elems = src_v4->control_elems;
2384 dest->widget_elems = src_v4->widget_elems;
2385 dest->graph_elems = src_v4->graph_elems;
2386 dest->pcm_elems = src_v4->pcm_elems;
2387 dest->dai_link_elems = src_v4->dai_link_elems;
2388 dest->priv.size = src_v4->priv.size;
2389 if (dest->priv.size)
2390 memcpy(dest->priv.data, src_v4->priv.data,
2391 src_v4->priv.size);
2392
2393 *manifest = dest;
2394 return 0;
2395 }
2396
2397 static int soc_tplg_manifest_load(struct soc_tplg *tplg,
2398 struct snd_soc_tplg_hdr *hdr)
2399 {
2400 struct snd_soc_tplg_manifest *manifest, *_manifest;
2401 bool abi_match;
2402 int err;
2403
2404 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2405 return 0;
2406
2407 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
2408
2409 /* check ABI version by size, create a new manifest if abi not match */
2410 if (manifest->size == sizeof(*manifest)) {
2411 abi_match = true;
2412 _manifest = manifest;
2413 } else {
2414 abi_match = false;
2415 err = manifest_new_ver(tplg, manifest, &_manifest);
2416 if (err < 0)
2417 return err;
2418 }
2419
2420 /* pass control to component driver for optional further init */
2421 if (tplg->comp && tplg->ops && tplg->ops->manifest)
2422 return tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
2423
2424 if (!abi_match) /* free the duplicated one */
2425 kfree(_manifest);
2426
2427 return 0;
2428 }
2429
2430 /* validate header magic, size and type */
2431 static int soc_valid_header(struct soc_tplg *tplg,
2432 struct snd_soc_tplg_hdr *hdr)
2433 {
2434 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2435 return 0;
2436
2437 if (hdr->size != sizeof(*hdr)) {
2438 dev_err(tplg->dev,
2439 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2440 hdr->type, soc_tplg_get_hdr_offset(tplg),
2441 tplg->fw->size);
2442 return -EINVAL;
2443 }
2444
2445 /* big endian firmware objects not supported atm */
2446 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2447 dev_err(tplg->dev,
2448 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2449 tplg->pass, hdr->magic,
2450 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2451 return -EINVAL;
2452 }
2453
2454 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2455 dev_err(tplg->dev,
2456 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2457 tplg->pass, hdr->magic,
2458 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2459 return -EINVAL;
2460 }
2461
2462 /* Support ABI from version 4 */
2463 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2464 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
2465 dev_err(tplg->dev,
2466 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2467 tplg->pass, hdr->abi,
2468 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2469 tplg->fw->size);
2470 return -EINVAL;
2471 }
2472
2473 if (hdr->payload_size == 0) {
2474 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2475 soc_tplg_get_hdr_offset(tplg));
2476 return -EINVAL;
2477 }
2478
2479 if (tplg->pass == hdr->type)
2480 dev_dbg(tplg->dev,
2481 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2482 hdr->payload_size, hdr->type, hdr->version,
2483 hdr->vendor_type, tplg->pass);
2484
2485 return 1;
2486 }
2487
2488 /* check header type and call appropriate handler */
2489 static int soc_tplg_load_header(struct soc_tplg *tplg,
2490 struct snd_soc_tplg_hdr *hdr)
2491 {
2492 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2493
2494 /* check for matching ID */
2495 if (hdr->index != tplg->req_index &&
2496 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
2497 return 0;
2498
2499 tplg->index = hdr->index;
2500
2501 switch (hdr->type) {
2502 case SND_SOC_TPLG_TYPE_MIXER:
2503 case SND_SOC_TPLG_TYPE_ENUM:
2504 case SND_SOC_TPLG_TYPE_BYTES:
2505 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2506 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2507 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2508 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2509 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2510 case SND_SOC_TPLG_TYPE_PCM:
2511 return soc_tplg_pcm_elems_load(tplg, hdr);
2512 case SND_SOC_TPLG_TYPE_DAI:
2513 return soc_tplg_dai_elems_load(tplg, hdr);
2514 case SND_SOC_TPLG_TYPE_DAI_LINK:
2515 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2516 /* physical link configurations */
2517 return soc_tplg_link_elems_load(tplg, hdr);
2518 case SND_SOC_TPLG_TYPE_MANIFEST:
2519 return soc_tplg_manifest_load(tplg, hdr);
2520 default:
2521 /* bespoke vendor data object */
2522 return soc_tplg_vendor_load(tplg, hdr);
2523 }
2524
2525 return 0;
2526 }
2527
2528 /* process the topology file headers */
2529 static int soc_tplg_process_headers(struct soc_tplg *tplg)
2530 {
2531 struct snd_soc_tplg_hdr *hdr;
2532 int ret;
2533
2534 tplg->pass = SOC_TPLG_PASS_START;
2535
2536 /* process the header types from start to end */
2537 while (tplg->pass <= SOC_TPLG_PASS_END) {
2538
2539 tplg->hdr_pos = tplg->fw->data;
2540 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2541
2542 while (!soc_tplg_is_eof(tplg)) {
2543
2544 /* make sure header is valid before loading */
2545 ret = soc_valid_header(tplg, hdr);
2546 if (ret < 0)
2547 return ret;
2548 else if (ret == 0)
2549 break;
2550
2551 /* load the header object */
2552 ret = soc_tplg_load_header(tplg, hdr);
2553 if (ret < 0)
2554 return ret;
2555
2556 /* goto next header */
2557 tplg->hdr_pos += hdr->payload_size +
2558 sizeof(struct snd_soc_tplg_hdr);
2559 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2560 }
2561
2562 /* next data type pass */
2563 tplg->pass++;
2564 }
2565
2566 /* signal DAPM we are complete */
2567 ret = soc_tplg_dapm_complete(tplg);
2568 if (ret < 0)
2569 dev_err(tplg->dev,
2570 "ASoC: failed to initialise DAPM from Firmware\n");
2571
2572 return ret;
2573 }
2574
2575 static int soc_tplg_load(struct soc_tplg *tplg)
2576 {
2577 int ret;
2578
2579 ret = soc_tplg_process_headers(tplg);
2580 if (ret == 0)
2581 soc_tplg_complete(tplg);
2582
2583 return ret;
2584 }
2585
2586 /* load audio component topology from "firmware" file */
2587 int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2588 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2589 {
2590 struct soc_tplg tplg;
2591 int ret;
2592
2593 /* setup parsing context */
2594 memset(&tplg, 0, sizeof(tplg));
2595 tplg.fw = fw;
2596 tplg.dev = comp->dev;
2597 tplg.comp = comp;
2598 tplg.ops = ops;
2599 tplg.req_index = id;
2600 tplg.io_ops = ops->io_ops;
2601 tplg.io_ops_count = ops->io_ops_count;
2602 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2603 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2604
2605 ret = soc_tplg_load(&tplg);
2606 /* free the created components if fail to load topology */
2607 if (ret)
2608 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2609
2610 return ret;
2611 }
2612 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2613
2614 /* remove this dynamic widget */
2615 void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2616 {
2617 /* make sure we are a widget */
2618 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2619 return;
2620
2621 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2622 }
2623 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2624
2625 /* remove all dynamic widgets from this DAPM context */
2626 void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2627 u32 index)
2628 {
2629 struct snd_soc_dapm_widget *w, *next_w;
2630
2631 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2632
2633 /* make sure we are a widget with correct context */
2634 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2635 continue;
2636
2637 /* match ID */
2638 if (w->dobj.index != index &&
2639 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2640 continue;
2641 /* check and free and dynamic widget kcontrols */
2642 snd_soc_tplg_widget_remove(w);
2643 snd_soc_dapm_free_widget(w);
2644 }
2645 snd_soc_dapm_reset_cache(dapm);
2646 }
2647 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2648
2649 /* remove dynamic controls from the component driver */
2650 int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2651 {
2652 struct snd_soc_dobj *dobj, *next_dobj;
2653 int pass = SOC_TPLG_PASS_END;
2654
2655 /* process the header types from end to start */
2656 while (pass >= SOC_TPLG_PASS_START) {
2657
2658 /* remove mixer controls */
2659 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2660 list) {
2661
2662 /* match index */
2663 if (dobj->index != index &&
2664 index != SND_SOC_TPLG_INDEX_ALL)
2665 continue;
2666
2667 switch (dobj->type) {
2668 case SND_SOC_DOBJ_MIXER:
2669 remove_mixer(comp, dobj, pass);
2670 break;
2671 case SND_SOC_DOBJ_ENUM:
2672 remove_enum(comp, dobj, pass);
2673 break;
2674 case SND_SOC_DOBJ_BYTES:
2675 remove_bytes(comp, dobj, pass);
2676 break;
2677 case SND_SOC_DOBJ_GRAPH:
2678 remove_route(comp, dobj, pass);
2679 break;
2680 case SND_SOC_DOBJ_WIDGET:
2681 remove_widget(comp, dobj, pass);
2682 break;
2683 case SND_SOC_DOBJ_PCM:
2684 remove_dai(comp, dobj, pass);
2685 break;
2686 case SND_SOC_DOBJ_DAI_LINK:
2687 remove_link(comp, dobj, pass);
2688 break;
2689 case SND_SOC_DOBJ_BACKEND_LINK:
2690 /*
2691 * call link_unload ops if extra
2692 * deinitialization is needed.
2693 */
2694 remove_backend_link(comp, dobj, pass);
2695 break;
2696 default:
2697 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2698 dobj->type);
2699 break;
2700 }
2701 }
2702 pass--;
2703 }
2704
2705 /* let caller know if FW can be freed when no objects are left */
2706 return !list_empty(&comp->dobj_list);
2707 }
2708 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux with added FPC-III support