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Merge remote-tracking branch 'asoc/fix/dapm' into asoc-linus
[mirror_ubuntu-bionic-kernel.git] / sound / soc / soc-topology.c
1 /*
2 * soc-topology.c -- ALSA SoC Topology
3 *
4 * Copyright (C) 2012 Texas Instruments Inc.
5 * Copyright (C) 2015 Intel Corporation.
6 *
7 * Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
8 * K, Mythri P <mythri.p.k@intel.com>
9 * Prusty, Subhransu S <subhransu.s.prusty@intel.com>
10 * B, Jayachandran <jayachandran.b@intel.com>
11 * Abdullah, Omair M <omair.m.abdullah@intel.com>
12 * Jin, Yao <yao.jin@intel.com>
13 * Lin, Mengdong <mengdong.lin@intel.com>
14 *
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License as published by the
17 * Free Software Foundation; either version 2 of the License, or (at your
18 * option) any later version.
19 *
20 * Add support to read audio firmware topology alongside firmware text. The
21 * topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
22 * equalizers, firmware, coefficients etc.
23 *
24 * This file only manages the core ALSA and ASoC components, all other bespoke
25 * firmware topology data is passed to component drivers for bespoke handling.
26 */
27
28 #include <linux/kernel.h>
29 #include <linux/export.h>
30 #include <linux/list.h>
31 #include <linux/firmware.h>
32 #include <linux/slab.h>
33 #include <sound/soc.h>
34 #include <sound/soc-dapm.h>
35 #include <sound/soc-topology.h>
36 #include <sound/tlv.h>
37
38 /*
39 * We make several passes over the data (since it wont necessarily be ordered)
40 * and process objects in the following order. This guarantees the component
41 * drivers will be ready with any vendor data before the mixers and DAPM objects
42 * are loaded (that may make use of the vendor data).
43 */
44 #define SOC_TPLG_PASS_MANIFEST 0
45 #define SOC_TPLG_PASS_VENDOR 1
46 #define SOC_TPLG_PASS_MIXER 2
47 #define SOC_TPLG_PASS_WIDGET 3
48 #define SOC_TPLG_PASS_PCM_DAI 4
49 #define SOC_TPLG_PASS_GRAPH 5
50 #define SOC_TPLG_PASS_PINS 6
51 #define SOC_TPLG_PASS_BE_DAI 7
52 #define SOC_TPLG_PASS_LINK 8
53
54 #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
55 #define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
56
57 /*
58 * Old version of ABI structs, supported for backward compatibility.
59 */
60
61 /* Manifest v4 */
62 struct snd_soc_tplg_manifest_v4 {
63 __le32 size; /* in bytes of this structure */
64 __le32 control_elems; /* number of control elements */
65 __le32 widget_elems; /* number of widget elements */
66 __le32 graph_elems; /* number of graph elements */
67 __le32 pcm_elems; /* number of PCM elements */
68 __le32 dai_link_elems; /* number of DAI link elements */
69 struct snd_soc_tplg_private priv;
70 } __packed;
71
72 /* Stream Capabilities v4 */
73 struct snd_soc_tplg_stream_caps_v4 {
74 __le32 size; /* in bytes of this structure */
75 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
76 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
77 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
78 __le32 rate_min; /* min rate */
79 __le32 rate_max; /* max rate */
80 __le32 channels_min; /* min channels */
81 __le32 channels_max; /* max channels */
82 __le32 periods_min; /* min number of periods */
83 __le32 periods_max; /* max number of periods */
84 __le32 period_size_min; /* min period size bytes */
85 __le32 period_size_max; /* max period size bytes */
86 __le32 buffer_size_min; /* min buffer size bytes */
87 __le32 buffer_size_max; /* max buffer size bytes */
88 } __packed;
89
90 /* PCM v4 */
91 struct snd_soc_tplg_pcm_v4 {
92 __le32 size; /* in bytes of this structure */
93 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
94 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
95 __le32 pcm_id; /* unique ID - used to match with DAI link */
96 __le32 dai_id; /* unique ID - used to match */
97 __le32 playback; /* supports playback mode */
98 __le32 capture; /* supports capture mode */
99 __le32 compress; /* 1 = compressed; 0 = PCM */
100 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
101 __le32 num_streams; /* number of streams */
102 struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
103 } __packed;
104
105 /* Physical link config v4 */
106 struct snd_soc_tplg_link_config_v4 {
107 __le32 size; /* in bytes of this structure */
108 __le32 id; /* unique ID - used to match */
109 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
110 __le32 num_streams; /* number of streams */
111 } __packed;
112
113 /* topology context */
114 struct soc_tplg {
115 const struct firmware *fw;
116
117 /* runtime FW parsing */
118 const u8 *pos; /* read postion */
119 const u8 *hdr_pos; /* header position */
120 unsigned int pass; /* pass number */
121
122 /* component caller */
123 struct device *dev;
124 struct snd_soc_component *comp;
125 u32 index; /* current block index */
126 u32 req_index; /* required index, only loaded/free matching blocks */
127
128 /* vendor specific kcontrol operations */
129 const struct snd_soc_tplg_kcontrol_ops *io_ops;
130 int io_ops_count;
131
132 /* vendor specific bytes ext handlers, for TLV bytes controls */
133 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
134 int bytes_ext_ops_count;
135
136 /* optional fw loading callbacks to component drivers */
137 struct snd_soc_tplg_ops *ops;
138 };
139
140 static int soc_tplg_process_headers(struct soc_tplg *tplg);
141 static void soc_tplg_complete(struct soc_tplg *tplg);
142 struct snd_soc_dapm_widget *
143 snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
144 const struct snd_soc_dapm_widget *widget);
145 struct snd_soc_dapm_widget *
146 snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
147 const struct snd_soc_dapm_widget *widget);
148
149 /* check we dont overflow the data for this control chunk */
150 static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
151 unsigned int count, size_t bytes, const char *elem_type)
152 {
153 const u8 *end = tplg->pos + elem_size * count;
154
155 if (end > tplg->fw->data + tplg->fw->size) {
156 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
157 elem_type);
158 return -EINVAL;
159 }
160
161 /* check there is enough room in chunk for control.
162 extra bytes at the end of control are for vendor data here */
163 if (elem_size * count > bytes) {
164 dev_err(tplg->dev,
165 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
166 elem_type, count, elem_size, bytes);
167 return -EINVAL;
168 }
169
170 return 0;
171 }
172
173 static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
174 {
175 const u8 *end = tplg->hdr_pos;
176
177 if (end >= tplg->fw->data + tplg->fw->size)
178 return 1;
179 return 0;
180 }
181
182 static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
183 {
184 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
185 }
186
187 static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
188 {
189 return (unsigned long)(tplg->pos - tplg->fw->data);
190 }
191
192 /* mapping of Kcontrol types and associated operations. */
193 static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
194 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
195 snd_soc_put_volsw, snd_soc_info_volsw},
196 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
197 snd_soc_put_volsw_sx, NULL},
198 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
199 snd_soc_put_enum_double, snd_soc_info_enum_double},
200 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
201 snd_soc_put_enum_double, NULL},
202 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
203 snd_soc_bytes_put, snd_soc_bytes_info},
204 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
205 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
206 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
207 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
208 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
209 snd_soc_put_strobe, NULL},
210 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
211 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
212 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
213 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
214 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
215 snd_soc_dapm_put_enum_double, NULL},
216 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
217 snd_soc_dapm_put_enum_double, NULL},
218 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
219 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
220 };
221
222 struct soc_tplg_map {
223 int uid;
224 int kid;
225 };
226
227 /* mapping of widget types from UAPI IDs to kernel IDs */
228 static const struct soc_tplg_map dapm_map[] = {
229 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
230 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
231 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
232 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
233 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
234 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
235 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
236 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
237 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
238 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
239 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
240 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
241 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
242 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
243 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
244 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
245 };
246
247 static int tplc_chan_get_reg(struct soc_tplg *tplg,
248 struct snd_soc_tplg_channel *chan, int map)
249 {
250 int i;
251
252 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
253 if (chan[i].id == map)
254 return chan[i].reg;
255 }
256
257 return -EINVAL;
258 }
259
260 static int tplc_chan_get_shift(struct soc_tplg *tplg,
261 struct snd_soc_tplg_channel *chan, int map)
262 {
263 int i;
264
265 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
266 if (chan[i].id == map)
267 return chan[i].shift;
268 }
269
270 return -EINVAL;
271 }
272
273 static int get_widget_id(int tplg_type)
274 {
275 int i;
276
277 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
278 if (tplg_type == dapm_map[i].uid)
279 return dapm_map[i].kid;
280 }
281
282 return -EINVAL;
283 }
284
285 static inline void soc_bind_err(struct soc_tplg *tplg,
286 struct snd_soc_tplg_ctl_hdr *hdr, int index)
287 {
288 dev_err(tplg->dev,
289 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
290 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
291 soc_tplg_get_offset(tplg));
292 }
293
294 static inline void soc_control_err(struct soc_tplg *tplg,
295 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
296 {
297 dev_err(tplg->dev,
298 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
299 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
300 soc_tplg_get_offset(tplg));
301 }
302
303 /* pass vendor data to component driver for processing */
304 static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
305 struct snd_soc_tplg_hdr *hdr)
306 {
307 int ret = 0;
308
309 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
310 ret = tplg->ops->vendor_load(tplg->comp, hdr);
311 else {
312 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
313 hdr->vendor_type);
314 return -EINVAL;
315 }
316
317 if (ret < 0)
318 dev_err(tplg->dev,
319 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
320 soc_tplg_get_hdr_offset(tplg),
321 soc_tplg_get_hdr_offset(tplg),
322 hdr->type, hdr->vendor_type);
323 return ret;
324 }
325
326 /* pass vendor data to component driver for processing */
327 static int soc_tplg_vendor_load(struct soc_tplg *tplg,
328 struct snd_soc_tplg_hdr *hdr)
329 {
330 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
331 return 0;
332
333 return soc_tplg_vendor_load_(tplg, hdr);
334 }
335
336 /* optionally pass new dynamic widget to component driver. This is mainly for
337 * external widgets where we can assign private data/ops */
338 static int soc_tplg_widget_load(struct soc_tplg *tplg,
339 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
340 {
341 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
342 return tplg->ops->widget_load(tplg->comp, w, tplg_w);
343
344 return 0;
345 }
346
347 /* pass DAI configurations to component driver for extra intialization */
348 static int soc_tplg_dai_load(struct soc_tplg *tplg,
349 struct snd_soc_dai_driver *dai_drv)
350 {
351 if (tplg->comp && tplg->ops && tplg->ops->dai_load)
352 return tplg->ops->dai_load(tplg->comp, dai_drv);
353
354 return 0;
355 }
356
357 /* pass link configurations to component driver for extra intialization */
358 static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
359 struct snd_soc_dai_link *link)
360 {
361 if (tplg->comp && tplg->ops && tplg->ops->link_load)
362 return tplg->ops->link_load(tplg->comp, link);
363
364 return 0;
365 }
366
367 /* tell the component driver that all firmware has been loaded in this request */
368 static void soc_tplg_complete(struct soc_tplg *tplg)
369 {
370 if (tplg->comp && tplg->ops && tplg->ops->complete)
371 tplg->ops->complete(tplg->comp);
372 }
373
374 /* add a dynamic kcontrol */
375 static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
376 const struct snd_kcontrol_new *control_new, const char *prefix,
377 void *data, struct snd_kcontrol **kcontrol)
378 {
379 int err;
380
381 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
382 if (*kcontrol == NULL) {
383 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
384 control_new->name);
385 return -ENOMEM;
386 }
387
388 err = snd_ctl_add(card, *kcontrol);
389 if (err < 0) {
390 dev_err(dev, "ASoC: Failed to add %s: %d\n",
391 control_new->name, err);
392 return err;
393 }
394
395 return 0;
396 }
397
398 /* add a dynamic kcontrol for component driver */
399 static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
400 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
401 {
402 struct snd_soc_component *comp = tplg->comp;
403
404 return soc_tplg_add_dcontrol(comp->card->snd_card,
405 comp->dev, k, NULL, comp, kcontrol);
406 }
407
408 /* remove a mixer kcontrol */
409 static void remove_mixer(struct snd_soc_component *comp,
410 struct snd_soc_dobj *dobj, int pass)
411 {
412 struct snd_card *card = comp->card->snd_card;
413 struct soc_mixer_control *sm =
414 container_of(dobj, struct soc_mixer_control, dobj);
415 const unsigned int *p = NULL;
416
417 if (pass != SOC_TPLG_PASS_MIXER)
418 return;
419
420 if (dobj->ops && dobj->ops->control_unload)
421 dobj->ops->control_unload(comp, dobj);
422
423 if (sm->dobj.control.kcontrol->tlv.p)
424 p = sm->dobj.control.kcontrol->tlv.p;
425 snd_ctl_remove(card, sm->dobj.control.kcontrol);
426 list_del(&sm->dobj.list);
427 kfree(sm);
428 kfree(p);
429 }
430
431 /* remove an enum kcontrol */
432 static void remove_enum(struct snd_soc_component *comp,
433 struct snd_soc_dobj *dobj, int pass)
434 {
435 struct snd_card *card = comp->card->snd_card;
436 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
437 int i;
438
439 if (pass != SOC_TPLG_PASS_MIXER)
440 return;
441
442 if (dobj->ops && dobj->ops->control_unload)
443 dobj->ops->control_unload(comp, dobj);
444
445 snd_ctl_remove(card, se->dobj.control.kcontrol);
446 list_del(&se->dobj.list);
447
448 kfree(se->dobj.control.dvalues);
449 for (i = 0; i < se->items; i++)
450 kfree(se->dobj.control.dtexts[i]);
451 kfree(se);
452 }
453
454 /* remove a byte kcontrol */
455 static void remove_bytes(struct snd_soc_component *comp,
456 struct snd_soc_dobj *dobj, int pass)
457 {
458 struct snd_card *card = comp->card->snd_card;
459 struct soc_bytes_ext *sb =
460 container_of(dobj, struct soc_bytes_ext, dobj);
461
462 if (pass != SOC_TPLG_PASS_MIXER)
463 return;
464
465 if (dobj->ops && dobj->ops->control_unload)
466 dobj->ops->control_unload(comp, dobj);
467
468 snd_ctl_remove(card, sb->dobj.control.kcontrol);
469 list_del(&sb->dobj.list);
470 kfree(sb);
471 }
472
473 /* remove a widget and it's kcontrols - routes must be removed first */
474 static void remove_widget(struct snd_soc_component *comp,
475 struct snd_soc_dobj *dobj, int pass)
476 {
477 struct snd_card *card = comp->card->snd_card;
478 struct snd_soc_dapm_widget *w =
479 container_of(dobj, struct snd_soc_dapm_widget, dobj);
480 int i;
481
482 if (pass != SOC_TPLG_PASS_WIDGET)
483 return;
484
485 if (dobj->ops && dobj->ops->widget_unload)
486 dobj->ops->widget_unload(comp, dobj);
487
488 /*
489 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
490 * The enum may either have an array of values or strings.
491 */
492 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
493 /* enumerated widget mixer */
494 for (i = 0; i < w->num_kcontrols; i++) {
495 struct snd_kcontrol *kcontrol = w->kcontrols[i];
496 struct soc_enum *se =
497 (struct soc_enum *)kcontrol->private_value;
498
499 snd_ctl_remove(card, kcontrol);
500
501 kfree(se->dobj.control.dvalues);
502 for (i = 0; i < se->items; i++)
503 kfree(se->dobj.control.dtexts[i]);
504
505 kfree(se);
506 }
507 kfree(w->kcontrol_news);
508 } else {
509 /* volume mixer or bytes controls */
510 for (i = 0; i < w->num_kcontrols; i++) {
511 struct snd_kcontrol *kcontrol = w->kcontrols[i];
512
513 if (dobj->widget.kcontrol_type
514 == SND_SOC_TPLG_TYPE_MIXER)
515 kfree(kcontrol->tlv.p);
516
517 /* Private value is used as struct soc_mixer_control
518 * for volume mixers or soc_bytes_ext for bytes
519 * controls.
520 */
521 kfree((void *)kcontrol->private_value);
522 snd_ctl_remove(card, kcontrol);
523 }
524 kfree(w->kcontrol_news);
525 }
526 /* widget w is freed by soc-dapm.c */
527 }
528
529 /* remove DAI configurations */
530 static void remove_dai(struct snd_soc_component *comp,
531 struct snd_soc_dobj *dobj, int pass)
532 {
533 struct snd_soc_dai_driver *dai_drv =
534 container_of(dobj, struct snd_soc_dai_driver, dobj);
535
536 if (pass != SOC_TPLG_PASS_PCM_DAI)
537 return;
538
539 if (dobj->ops && dobj->ops->dai_unload)
540 dobj->ops->dai_unload(comp, dobj);
541
542 kfree(dai_drv->name);
543 list_del(&dobj->list);
544 kfree(dai_drv);
545 }
546
547 /* remove link configurations */
548 static void remove_link(struct snd_soc_component *comp,
549 struct snd_soc_dobj *dobj, int pass)
550 {
551 struct snd_soc_dai_link *link =
552 container_of(dobj, struct snd_soc_dai_link, dobj);
553
554 if (pass != SOC_TPLG_PASS_PCM_DAI)
555 return;
556
557 if (dobj->ops && dobj->ops->link_unload)
558 dobj->ops->link_unload(comp, dobj);
559
560 kfree(link->name);
561 kfree(link->stream_name);
562 kfree(link->cpu_dai_name);
563
564 list_del(&dobj->list);
565 snd_soc_remove_dai_link(comp->card, link);
566 kfree(link);
567 }
568
569 /* bind a kcontrol to it's IO handlers */
570 static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
571 struct snd_kcontrol_new *k,
572 const struct soc_tplg *tplg)
573 {
574 const struct snd_soc_tplg_kcontrol_ops *ops;
575 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
576 int num_ops, i;
577
578 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
579 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
580 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
581 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
582 struct soc_bytes_ext *sbe;
583 struct snd_soc_tplg_bytes_control *be;
584
585 sbe = (struct soc_bytes_ext *)k->private_value;
586 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
587
588 /* TLV bytes controls need standard kcontrol info handler,
589 * TLV callback and extended put/get handlers.
590 */
591 k->info = snd_soc_bytes_info_ext;
592 k->tlv.c = snd_soc_bytes_tlv_callback;
593
594 ext_ops = tplg->bytes_ext_ops;
595 num_ops = tplg->bytes_ext_ops_count;
596 for (i = 0; i < num_ops; i++) {
597 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
598 sbe->put = ext_ops[i].put;
599 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
600 sbe->get = ext_ops[i].get;
601 }
602
603 if (sbe->put && sbe->get)
604 return 0;
605 else
606 return -EINVAL;
607 }
608
609 /* try and map vendor specific kcontrol handlers first */
610 ops = tplg->io_ops;
611 num_ops = tplg->io_ops_count;
612 for (i = 0; i < num_ops; i++) {
613
614 if (k->put == NULL && ops[i].id == hdr->ops.put)
615 k->put = ops[i].put;
616 if (k->get == NULL && ops[i].id == hdr->ops.get)
617 k->get = ops[i].get;
618 if (k->info == NULL && ops[i].id == hdr->ops.info)
619 k->info = ops[i].info;
620 }
621
622 /* vendor specific handlers found ? */
623 if (k->put && k->get && k->info)
624 return 0;
625
626 /* none found so try standard kcontrol handlers */
627 ops = io_ops;
628 num_ops = ARRAY_SIZE(io_ops);
629 for (i = 0; i < num_ops; i++) {
630
631 if (k->put == NULL && ops[i].id == hdr->ops.put)
632 k->put = ops[i].put;
633 if (k->get == NULL && ops[i].id == hdr->ops.get)
634 k->get = ops[i].get;
635 if (k->info == NULL && ops[i].id == hdr->ops.info)
636 k->info = ops[i].info;
637 }
638
639 /* standard handlers found ? */
640 if (k->put && k->get && k->info)
641 return 0;
642
643 /* nothing to bind */
644 return -EINVAL;
645 }
646
647 /* bind a widgets to it's evnt handlers */
648 int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
649 const struct snd_soc_tplg_widget_events *events,
650 int num_events, u16 event_type)
651 {
652 int i;
653
654 w->event = NULL;
655
656 for (i = 0; i < num_events; i++) {
657 if (event_type == events[i].type) {
658
659 /* found - so assign event */
660 w->event = events[i].event_handler;
661 return 0;
662 }
663 }
664
665 /* not found */
666 return -EINVAL;
667 }
668 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
669
670 /* optionally pass new dynamic kcontrol to component driver. */
671 static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
672 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
673 {
674 if (tplg->comp && tplg->ops && tplg->ops->control_load)
675 return tplg->ops->control_load(tplg->comp, k, hdr);
676
677 return 0;
678 }
679
680
681 static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
682 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
683 {
684 unsigned int item_len = 2 * sizeof(unsigned int);
685 unsigned int *p;
686
687 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
688 if (!p)
689 return -ENOMEM;
690
691 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
692 p[1] = item_len;
693 p[2] = scale->min;
694 p[3] = (scale->step & TLV_DB_SCALE_MASK)
695 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
696
697 kc->tlv.p = (void *)p;
698 return 0;
699 }
700
701 static int soc_tplg_create_tlv(struct soc_tplg *tplg,
702 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
703 {
704 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
705
706 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
707 return 0;
708
709 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
710 tplg_tlv = &tc->tlv;
711 switch (tplg_tlv->type) {
712 case SNDRV_CTL_TLVT_DB_SCALE:
713 return soc_tplg_create_tlv_db_scale(tplg, kc,
714 &tplg_tlv->scale);
715
716 /* TODO: add support for other TLV types */
717 default:
718 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
719 tplg_tlv->type);
720 return -EINVAL;
721 }
722 }
723
724 return 0;
725 }
726
727 static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
728 struct snd_kcontrol_new *kc)
729 {
730 kfree(kc->tlv.p);
731 }
732
733 static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
734 size_t size)
735 {
736 struct snd_soc_tplg_bytes_control *be;
737 struct soc_bytes_ext *sbe;
738 struct snd_kcontrol_new kc;
739 int i, err;
740
741 if (soc_tplg_check_elem_count(tplg,
742 sizeof(struct snd_soc_tplg_bytes_control), count,
743 size, "mixer bytes")) {
744 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
745 count);
746 return -EINVAL;
747 }
748
749 for (i = 0; i < count; i++) {
750 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
751
752 /* validate kcontrol */
753 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
754 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
755 return -EINVAL;
756
757 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
758 if (sbe == NULL)
759 return -ENOMEM;
760
761 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
762 be->priv.size);
763
764 dev_dbg(tplg->dev,
765 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
766 be->hdr.name, be->hdr.access);
767
768 memset(&kc, 0, sizeof(kc));
769 kc.name = be->hdr.name;
770 kc.private_value = (long)sbe;
771 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
772 kc.access = be->hdr.access;
773
774 sbe->max = be->max;
775 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
776 sbe->dobj.ops = tplg->ops;
777 INIT_LIST_HEAD(&sbe->dobj.list);
778
779 /* map io handlers */
780 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
781 if (err) {
782 soc_control_err(tplg, &be->hdr, be->hdr.name);
783 kfree(sbe);
784 continue;
785 }
786
787 /* pass control to driver for optional further init */
788 err = soc_tplg_init_kcontrol(tplg, &kc,
789 (struct snd_soc_tplg_ctl_hdr *)be);
790 if (err < 0) {
791 dev_err(tplg->dev, "ASoC: failed to init %s\n",
792 be->hdr.name);
793 kfree(sbe);
794 continue;
795 }
796
797 /* register control here */
798 err = soc_tplg_add_kcontrol(tplg, &kc,
799 &sbe->dobj.control.kcontrol);
800 if (err < 0) {
801 dev_err(tplg->dev, "ASoC: failed to add %s\n",
802 be->hdr.name);
803 kfree(sbe);
804 continue;
805 }
806
807 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
808 }
809 return 0;
810
811 }
812
813 static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
814 size_t size)
815 {
816 struct snd_soc_tplg_mixer_control *mc;
817 struct soc_mixer_control *sm;
818 struct snd_kcontrol_new kc;
819 int i, err;
820
821 if (soc_tplg_check_elem_count(tplg,
822 sizeof(struct snd_soc_tplg_mixer_control),
823 count, size, "mixers")) {
824
825 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
826 count);
827 return -EINVAL;
828 }
829
830 for (i = 0; i < count; i++) {
831 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
832
833 /* validate kcontrol */
834 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
835 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
836 return -EINVAL;
837
838 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
839 if (sm == NULL)
840 return -ENOMEM;
841 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
842 mc->priv.size);
843
844 dev_dbg(tplg->dev,
845 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
846 mc->hdr.name, mc->hdr.access);
847
848 memset(&kc, 0, sizeof(kc));
849 kc.name = mc->hdr.name;
850 kc.private_value = (long)sm;
851 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
852 kc.access = mc->hdr.access;
853
854 /* we only support FL/FR channel mapping atm */
855 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
856 SNDRV_CHMAP_FL);
857 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
858 SNDRV_CHMAP_FR);
859 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
860 SNDRV_CHMAP_FL);
861 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
862 SNDRV_CHMAP_FR);
863
864 sm->max = mc->max;
865 sm->min = mc->min;
866 sm->invert = mc->invert;
867 sm->platform_max = mc->platform_max;
868 sm->dobj.index = tplg->index;
869 sm->dobj.ops = tplg->ops;
870 sm->dobj.type = SND_SOC_DOBJ_MIXER;
871 INIT_LIST_HEAD(&sm->dobj.list);
872
873 /* map io handlers */
874 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
875 if (err) {
876 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
877 kfree(sm);
878 continue;
879 }
880
881 /* pass control to driver for optional further init */
882 err = soc_tplg_init_kcontrol(tplg, &kc,
883 (struct snd_soc_tplg_ctl_hdr *) mc);
884 if (err < 0) {
885 dev_err(tplg->dev, "ASoC: failed to init %s\n",
886 mc->hdr.name);
887 kfree(sm);
888 continue;
889 }
890
891 /* create any TLV data */
892 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
893
894 /* register control here */
895 err = soc_tplg_add_kcontrol(tplg, &kc,
896 &sm->dobj.control.kcontrol);
897 if (err < 0) {
898 dev_err(tplg->dev, "ASoC: failed to add %s\n",
899 mc->hdr.name);
900 soc_tplg_free_tlv(tplg, &kc);
901 kfree(sm);
902 continue;
903 }
904
905 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
906 }
907
908 return 0;
909 }
910
911 static int soc_tplg_denum_create_texts(struct soc_enum *se,
912 struct snd_soc_tplg_enum_control *ec)
913 {
914 int i, ret;
915
916 se->dobj.control.dtexts =
917 kzalloc(sizeof(char *) * ec->items, GFP_KERNEL);
918 if (se->dobj.control.dtexts == NULL)
919 return -ENOMEM;
920
921 for (i = 0; i < ec->items; i++) {
922
923 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
924 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
925 ret = -EINVAL;
926 goto err;
927 }
928
929 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
930 if (!se->dobj.control.dtexts[i]) {
931 ret = -ENOMEM;
932 goto err;
933 }
934 }
935
936 return 0;
937
938 err:
939 for (--i; i >= 0; i--)
940 kfree(se->dobj.control.dtexts[i]);
941 kfree(se->dobj.control.dtexts);
942 return ret;
943 }
944
945 static int soc_tplg_denum_create_values(struct soc_enum *se,
946 struct snd_soc_tplg_enum_control *ec)
947 {
948 if (ec->items > sizeof(*ec->values))
949 return -EINVAL;
950
951 se->dobj.control.dvalues = kmemdup(ec->values,
952 ec->items * sizeof(u32),
953 GFP_KERNEL);
954 if (!se->dobj.control.dvalues)
955 return -ENOMEM;
956
957 return 0;
958 }
959
960 static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
961 size_t size)
962 {
963 struct snd_soc_tplg_enum_control *ec;
964 struct soc_enum *se;
965 struct snd_kcontrol_new kc;
966 int i, ret, err;
967
968 if (soc_tplg_check_elem_count(tplg,
969 sizeof(struct snd_soc_tplg_enum_control),
970 count, size, "enums")) {
971
972 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
973 count);
974 return -EINVAL;
975 }
976
977 for (i = 0; i < count; i++) {
978 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
979 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
980 ec->priv.size);
981
982 /* validate kcontrol */
983 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
984 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
985 return -EINVAL;
986
987 se = kzalloc((sizeof(*se)), GFP_KERNEL);
988 if (se == NULL)
989 return -ENOMEM;
990
991 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
992 ec->hdr.name, ec->items);
993
994 memset(&kc, 0, sizeof(kc));
995 kc.name = ec->hdr.name;
996 kc.private_value = (long)se;
997 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
998 kc.access = ec->hdr.access;
999
1000 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1001 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1002 SNDRV_CHMAP_FL);
1003 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1004 SNDRV_CHMAP_FL);
1005
1006 se->items = ec->items;
1007 se->mask = ec->mask;
1008 se->dobj.index = tplg->index;
1009 se->dobj.type = SND_SOC_DOBJ_ENUM;
1010 se->dobj.ops = tplg->ops;
1011 INIT_LIST_HEAD(&se->dobj.list);
1012
1013 switch (ec->hdr.ops.info) {
1014 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1015 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1016 err = soc_tplg_denum_create_values(se, ec);
1017 if (err < 0) {
1018 dev_err(tplg->dev,
1019 "ASoC: could not create values for %s\n",
1020 ec->hdr.name);
1021 kfree(se);
1022 continue;
1023 }
1024 /* fall through and create texts */
1025 case SND_SOC_TPLG_CTL_ENUM:
1026 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1027 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1028 err = soc_tplg_denum_create_texts(se, ec);
1029 if (err < 0) {
1030 dev_err(tplg->dev,
1031 "ASoC: could not create texts for %s\n",
1032 ec->hdr.name);
1033 kfree(se);
1034 continue;
1035 }
1036 break;
1037 default:
1038 dev_err(tplg->dev,
1039 "ASoC: invalid enum control type %d for %s\n",
1040 ec->hdr.ops.info, ec->hdr.name);
1041 kfree(se);
1042 continue;
1043 }
1044
1045 /* map io handlers */
1046 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
1047 if (err) {
1048 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1049 kfree(se);
1050 continue;
1051 }
1052
1053 /* pass control to driver for optional further init */
1054 err = soc_tplg_init_kcontrol(tplg, &kc,
1055 (struct snd_soc_tplg_ctl_hdr *) ec);
1056 if (err < 0) {
1057 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1058 ec->hdr.name);
1059 kfree(se);
1060 continue;
1061 }
1062
1063 /* register control here */
1064 ret = soc_tplg_add_kcontrol(tplg,
1065 &kc, &se->dobj.control.kcontrol);
1066 if (ret < 0) {
1067 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1068 ec->hdr.name);
1069 kfree(se);
1070 continue;
1071 }
1072
1073 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1074 }
1075
1076 return 0;
1077 }
1078
1079 static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1080 struct snd_soc_tplg_hdr *hdr)
1081 {
1082 struct snd_soc_tplg_ctl_hdr *control_hdr;
1083 int i;
1084
1085 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1086 tplg->pos += hdr->size + hdr->payload_size;
1087 return 0;
1088 }
1089
1090 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1091 soc_tplg_get_offset(tplg));
1092
1093 for (i = 0; i < hdr->count; i++) {
1094
1095 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1096
1097 if (control_hdr->size != sizeof(*control_hdr)) {
1098 dev_err(tplg->dev, "ASoC: invalid control size\n");
1099 return -EINVAL;
1100 }
1101
1102 switch (control_hdr->ops.info) {
1103 case SND_SOC_TPLG_CTL_VOLSW:
1104 case SND_SOC_TPLG_CTL_STROBE:
1105 case SND_SOC_TPLG_CTL_VOLSW_SX:
1106 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1107 case SND_SOC_TPLG_CTL_RANGE:
1108 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1109 case SND_SOC_TPLG_DAPM_CTL_PIN:
1110 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1111 break;
1112 case SND_SOC_TPLG_CTL_ENUM:
1113 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1114 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1115 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1116 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1117 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1118 break;
1119 case SND_SOC_TPLG_CTL_BYTES:
1120 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1121 break;
1122 default:
1123 soc_bind_err(tplg, control_hdr, i);
1124 return -EINVAL;
1125 }
1126 }
1127
1128 return 0;
1129 }
1130
1131 static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1132 struct snd_soc_tplg_hdr *hdr)
1133 {
1134 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1135 struct snd_soc_dapm_route route;
1136 struct snd_soc_tplg_dapm_graph_elem *elem;
1137 int count = hdr->count, i;
1138
1139 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1140 tplg->pos += hdr->size + hdr->payload_size;
1141 return 0;
1142 }
1143
1144 if (soc_tplg_check_elem_count(tplg,
1145 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1146 count, hdr->payload_size, "graph")) {
1147
1148 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1149 count);
1150 return -EINVAL;
1151 }
1152
1153 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes\n", count);
1154
1155 for (i = 0; i < count; i++) {
1156 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1157 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1158
1159 /* validate routes */
1160 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1161 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1162 return -EINVAL;
1163 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1164 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1165 return -EINVAL;
1166 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1167 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1168 return -EINVAL;
1169
1170 route.source = elem->source;
1171 route.sink = elem->sink;
1172 route.connected = NULL; /* set to NULL atm for tplg users */
1173 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1174 route.control = NULL;
1175 else
1176 route.control = elem->control;
1177
1178 /* add route, but keep going if some fail */
1179 snd_soc_dapm_add_routes(dapm, &route, 1);
1180 }
1181
1182 return 0;
1183 }
1184
1185 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1186 struct soc_tplg *tplg, int num_kcontrols)
1187 {
1188 struct snd_kcontrol_new *kc;
1189 struct soc_mixer_control *sm;
1190 struct snd_soc_tplg_mixer_control *mc;
1191 int i, err;
1192
1193 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1194 if (kc == NULL)
1195 return NULL;
1196
1197 for (i = 0; i < num_kcontrols; i++) {
1198 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1199 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1200 if (sm == NULL)
1201 goto err;
1202
1203 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1204 mc->priv.size);
1205
1206 /* validate kcontrol */
1207 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1208 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1209 goto err_str;
1210
1211 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1212 mc->hdr.name, i);
1213
1214 kc[i].name = mc->hdr.name;
1215 kc[i].private_value = (long)sm;
1216 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1217 kc[i].access = mc->hdr.access;
1218
1219 /* we only support FL/FR channel mapping atm */
1220 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1221 SNDRV_CHMAP_FL);
1222 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1223 SNDRV_CHMAP_FR);
1224 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1225 SNDRV_CHMAP_FL);
1226 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1227 SNDRV_CHMAP_FR);
1228
1229 sm->max = mc->max;
1230 sm->min = mc->min;
1231 sm->invert = mc->invert;
1232 sm->platform_max = mc->platform_max;
1233 sm->dobj.index = tplg->index;
1234 INIT_LIST_HEAD(&sm->dobj.list);
1235
1236 /* map io handlers */
1237 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
1238 if (err) {
1239 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1240 kfree(sm);
1241 continue;
1242 }
1243
1244 /* pass control to driver for optional further init */
1245 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1246 (struct snd_soc_tplg_ctl_hdr *)mc);
1247 if (err < 0) {
1248 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1249 mc->hdr.name);
1250 kfree(sm);
1251 continue;
1252 }
1253 }
1254 return kc;
1255
1256 err_str:
1257 kfree(sm);
1258 err:
1259 for (--i; i >= 0; i--)
1260 kfree((void *)kc[i].private_value);
1261 kfree(kc);
1262 return NULL;
1263 }
1264
1265 static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1266 struct soc_tplg *tplg, int num_kcontrols)
1267 {
1268 struct snd_kcontrol_new *kc;
1269 struct snd_soc_tplg_enum_control *ec;
1270 struct soc_enum *se;
1271 int i, j, err;
1272
1273 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
1274 if (kc == NULL)
1275 return NULL;
1276
1277 for (i = 0; i < num_kcontrols; i++) {
1278 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1279 /* validate kcontrol */
1280 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1281 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1282 return NULL;
1283
1284 se = kzalloc(sizeof(*se), GFP_KERNEL);
1285 if (se == NULL)
1286 goto err;
1287
1288 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1289 ec->hdr.name);
1290
1291 kc[i].name = ec->hdr.name;
1292 kc[i].private_value = (long)se;
1293 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1294 kc[i].access = ec->hdr.access;
1295
1296 /* we only support FL/FR channel mapping atm */
1297 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1298 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1299 SNDRV_CHMAP_FL);
1300 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1301 SNDRV_CHMAP_FR);
1302
1303 se->items = ec->items;
1304 se->mask = ec->mask;
1305 se->dobj.index = tplg->index;
1306
1307 switch (ec->hdr.ops.info) {
1308 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1309 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1310 err = soc_tplg_denum_create_values(se, ec);
1311 if (err < 0) {
1312 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1313 ec->hdr.name);
1314 goto err_se;
1315 }
1316 /* fall through to create texts */
1317 case SND_SOC_TPLG_CTL_ENUM:
1318 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1319 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1320 err = soc_tplg_denum_create_texts(se, ec);
1321 if (err < 0) {
1322 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1323 ec->hdr.name);
1324 goto err_se;
1325 }
1326 break;
1327 default:
1328 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1329 ec->hdr.ops.info, ec->hdr.name);
1330 goto err_se;
1331 }
1332
1333 /* map io handlers */
1334 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1335 if (err) {
1336 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1337 goto err_se;
1338 }
1339
1340 /* pass control to driver for optional further init */
1341 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1342 (struct snd_soc_tplg_ctl_hdr *)ec);
1343 if (err < 0) {
1344 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1345 ec->hdr.name);
1346 goto err_se;
1347 }
1348
1349 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1350 ec->priv.size);
1351 }
1352
1353 return kc;
1354
1355 err_se:
1356 for (; i >= 0; i--) {
1357 /* free values and texts */
1358 se = (struct soc_enum *)kc[i].private_value;
1359 kfree(se->dobj.control.dvalues);
1360 for (j = 0; j < ec->items; j++)
1361 kfree(se->dobj.control.dtexts[j]);
1362
1363 kfree(se);
1364 }
1365 err:
1366 kfree(kc);
1367
1368 return NULL;
1369 }
1370
1371 static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1372 struct soc_tplg *tplg, int count)
1373 {
1374 struct snd_soc_tplg_bytes_control *be;
1375 struct soc_bytes_ext *sbe;
1376 struct snd_kcontrol_new *kc;
1377 int i, err;
1378
1379 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
1380 if (!kc)
1381 return NULL;
1382
1383 for (i = 0; i < count; i++) {
1384 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1385
1386 /* validate kcontrol */
1387 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1388 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1389 goto err;
1390
1391 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1392 if (sbe == NULL)
1393 goto err;
1394
1395 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1396 be->priv.size);
1397
1398 dev_dbg(tplg->dev,
1399 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1400 be->hdr.name, be->hdr.access);
1401
1402 kc[i].name = be->hdr.name;
1403 kc[i].private_value = (long)sbe;
1404 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1405 kc[i].access = be->hdr.access;
1406
1407 sbe->max = be->max;
1408 INIT_LIST_HEAD(&sbe->dobj.list);
1409
1410 /* map standard io handlers and check for external handlers */
1411 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
1412 if (err) {
1413 soc_control_err(tplg, &be->hdr, be->hdr.name);
1414 kfree(sbe);
1415 continue;
1416 }
1417
1418 /* pass control to driver for optional further init */
1419 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1420 (struct snd_soc_tplg_ctl_hdr *)be);
1421 if (err < 0) {
1422 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1423 be->hdr.name);
1424 kfree(sbe);
1425 continue;
1426 }
1427 }
1428
1429 return kc;
1430
1431 err:
1432 for (--i; i >= 0; i--)
1433 kfree((void *)kc[i].private_value);
1434
1435 kfree(kc);
1436 return NULL;
1437 }
1438
1439 static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1440 struct snd_soc_tplg_dapm_widget *w)
1441 {
1442 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1443 struct snd_soc_dapm_widget template, *widget;
1444 struct snd_soc_tplg_ctl_hdr *control_hdr;
1445 struct snd_soc_card *card = tplg->comp->card;
1446 unsigned int kcontrol_type;
1447 int ret = 0;
1448
1449 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1450 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1451 return -EINVAL;
1452 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1453 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1454 return -EINVAL;
1455
1456 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1457 w->name, w->id);
1458
1459 memset(&template, 0, sizeof(template));
1460
1461 /* map user to kernel widget ID */
1462 template.id = get_widget_id(w->id);
1463 if (template.id < 0)
1464 return template.id;
1465
1466 template.name = kstrdup(w->name, GFP_KERNEL);
1467 if (!template.name)
1468 return -ENOMEM;
1469 template.sname = kstrdup(w->sname, GFP_KERNEL);
1470 if (!template.sname) {
1471 ret = -ENOMEM;
1472 goto err;
1473 }
1474 template.reg = w->reg;
1475 template.shift = w->shift;
1476 template.mask = w->mask;
1477 template.subseq = w->subseq;
1478 template.on_val = w->invert ? 0 : 1;
1479 template.off_val = w->invert ? 1 : 0;
1480 template.ignore_suspend = w->ignore_suspend;
1481 template.event_flags = w->event_flags;
1482 template.dobj.index = tplg->index;
1483
1484 tplg->pos +=
1485 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1486 if (w->num_kcontrols == 0) {
1487 kcontrol_type = 0;
1488 template.num_kcontrols = 0;
1489 goto widget;
1490 }
1491
1492 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1493 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1494 w->name, w->num_kcontrols, control_hdr->type);
1495
1496 switch (control_hdr->ops.info) {
1497 case SND_SOC_TPLG_CTL_VOLSW:
1498 case SND_SOC_TPLG_CTL_STROBE:
1499 case SND_SOC_TPLG_CTL_VOLSW_SX:
1500 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1501 case SND_SOC_TPLG_CTL_RANGE:
1502 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1503 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
1504 template.num_kcontrols = w->num_kcontrols;
1505 template.kcontrol_news =
1506 soc_tplg_dapm_widget_dmixer_create(tplg,
1507 template.num_kcontrols);
1508 if (!template.kcontrol_news) {
1509 ret = -ENOMEM;
1510 goto hdr_err;
1511 }
1512 break;
1513 case SND_SOC_TPLG_CTL_ENUM:
1514 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1515 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1516 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1517 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1518 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1519 template.num_kcontrols = w->num_kcontrols;
1520 template.kcontrol_news =
1521 soc_tplg_dapm_widget_denum_create(tplg,
1522 template.num_kcontrols);
1523 if (!template.kcontrol_news) {
1524 ret = -ENOMEM;
1525 goto hdr_err;
1526 }
1527 break;
1528 case SND_SOC_TPLG_CTL_BYTES:
1529 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
1530 template.num_kcontrols = w->num_kcontrols;
1531 template.kcontrol_news =
1532 soc_tplg_dapm_widget_dbytes_create(tplg,
1533 template.num_kcontrols);
1534 if (!template.kcontrol_news) {
1535 ret = -ENOMEM;
1536 goto hdr_err;
1537 }
1538 break;
1539 default:
1540 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1541 control_hdr->ops.get, control_hdr->ops.put,
1542 control_hdr->ops.info);
1543 ret = -EINVAL;
1544 goto hdr_err;
1545 }
1546
1547 widget:
1548 ret = soc_tplg_widget_load(tplg, &template, w);
1549 if (ret < 0)
1550 goto hdr_err;
1551
1552 /* card dapm mutex is held by the core if we are loading topology
1553 * data during sound card init. */
1554 if (card->instantiated)
1555 widget = snd_soc_dapm_new_control(dapm, &template);
1556 else
1557 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
1558 if (IS_ERR(widget)) {
1559 ret = PTR_ERR(widget);
1560 /* Do not nag about probe deferrals */
1561 if (ret != -EPROBE_DEFER)
1562 dev_err(tplg->dev,
1563 "ASoC: failed to create widget %s controls (%d)\n",
1564 w->name, ret);
1565 goto hdr_err;
1566 }
1567 if (widget == NULL) {
1568 dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n",
1569 w->name);
1570 ret = -ENOMEM;
1571 goto hdr_err;
1572 }
1573
1574 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
1575 widget->dobj.widget.kcontrol_type = kcontrol_type;
1576 widget->dobj.ops = tplg->ops;
1577 widget->dobj.index = tplg->index;
1578 kfree(template.sname);
1579 kfree(template.name);
1580 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
1581 return 0;
1582
1583 hdr_err:
1584 kfree(template.sname);
1585 err:
1586 kfree(template.name);
1587 return ret;
1588 }
1589
1590 static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1591 struct snd_soc_tplg_hdr *hdr)
1592 {
1593 struct snd_soc_tplg_dapm_widget *widget;
1594 int ret, count = hdr->count, i;
1595
1596 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1597 return 0;
1598
1599 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1600
1601 for (i = 0; i < count; i++) {
1602 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1603 if (widget->size != sizeof(*widget)) {
1604 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1605 return -EINVAL;
1606 }
1607
1608 ret = soc_tplg_dapm_widget_create(tplg, widget);
1609 if (ret < 0) {
1610 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1611 widget->name);
1612 return ret;
1613 }
1614 }
1615
1616 return 0;
1617 }
1618
1619 static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1620 {
1621 struct snd_soc_card *card = tplg->comp->card;
1622 int ret;
1623
1624 /* Card might not have been registered at this point.
1625 * If so, just return success.
1626 */
1627 if (!card || !card->instantiated) {
1628 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
1629 "Do not add new widgets now\n");
1630 return 0;
1631 }
1632
1633 ret = snd_soc_dapm_new_widgets(card);
1634 if (ret < 0)
1635 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1636 ret);
1637
1638 return 0;
1639 }
1640
1641 static void set_stream_info(struct snd_soc_pcm_stream *stream,
1642 struct snd_soc_tplg_stream_caps *caps)
1643 {
1644 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1645 stream->channels_min = caps->channels_min;
1646 stream->channels_max = caps->channels_max;
1647 stream->rates = caps->rates;
1648 stream->rate_min = caps->rate_min;
1649 stream->rate_max = caps->rate_max;
1650 stream->formats = caps->formats;
1651 stream->sig_bits = caps->sig_bits;
1652 }
1653
1654 static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1655 unsigned int flag_mask, unsigned int flags)
1656 {
1657 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1658 dai_drv->symmetric_rates =
1659 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1660
1661 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1662 dai_drv->symmetric_channels =
1663 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1664 1 : 0;
1665
1666 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1667 dai_drv->symmetric_samplebits =
1668 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1669 1 : 0;
1670 }
1671
1672 static int soc_tplg_dai_create(struct soc_tplg *tplg,
1673 struct snd_soc_tplg_pcm *pcm)
1674 {
1675 struct snd_soc_dai_driver *dai_drv;
1676 struct snd_soc_pcm_stream *stream;
1677 struct snd_soc_tplg_stream_caps *caps;
1678 int ret;
1679
1680 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1681 if (dai_drv == NULL)
1682 return -ENOMEM;
1683
1684 if (strlen(pcm->dai_name))
1685 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
1686 dai_drv->id = pcm->dai_id;
1687
1688 if (pcm->playback) {
1689 stream = &dai_drv->playback;
1690 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
1691 set_stream_info(stream, caps);
1692 }
1693
1694 if (pcm->capture) {
1695 stream = &dai_drv->capture;
1696 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
1697 set_stream_info(stream, caps);
1698 }
1699
1700 /* pass control to component driver for optional further init */
1701 ret = soc_tplg_dai_load(tplg, dai_drv);
1702 if (ret < 0) {
1703 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1704 kfree(dai_drv);
1705 return ret;
1706 }
1707
1708 dai_drv->dobj.index = tplg->index;
1709 dai_drv->dobj.ops = tplg->ops;
1710 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1711 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1712
1713 /* register the DAI to the component */
1714 return snd_soc_register_dai(tplg->comp, dai_drv);
1715 }
1716
1717 static void set_link_flags(struct snd_soc_dai_link *link,
1718 unsigned int flag_mask, unsigned int flags)
1719 {
1720 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1721 link->symmetric_rates =
1722 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1723
1724 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1725 link->symmetric_channels =
1726 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1727 1 : 0;
1728
1729 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1730 link->symmetric_samplebits =
1731 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1732 1 : 0;
1733
1734 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1735 link->ignore_suspend =
1736 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1737 1 : 0;
1738 }
1739
1740 /* create the FE DAI link */
1741 static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
1742 struct snd_soc_tplg_pcm *pcm)
1743 {
1744 struct snd_soc_dai_link *link;
1745 int ret;
1746
1747 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1748 if (link == NULL)
1749 return -ENOMEM;
1750
1751 if (strlen(pcm->pcm_name)) {
1752 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1753 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1754 }
1755 link->id = pcm->pcm_id;
1756
1757 if (strlen(pcm->dai_name))
1758 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1759
1760 link->codec_name = "snd-soc-dummy";
1761 link->codec_dai_name = "snd-soc-dummy-dai";
1762
1763 /* enable DPCM */
1764 link->dynamic = 1;
1765 link->dpcm_playback = pcm->playback;
1766 link->dpcm_capture = pcm->capture;
1767 if (pcm->flag_mask)
1768 set_link_flags(link, pcm->flag_mask, pcm->flags);
1769
1770 /* pass control to component driver for optional further init */
1771 ret = soc_tplg_dai_link_load(tplg, link);
1772 if (ret < 0) {
1773 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1774 kfree(link);
1775 return ret;
1776 }
1777
1778 link->dobj.index = tplg->index;
1779 link->dobj.ops = tplg->ops;
1780 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1781 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1782
1783 snd_soc_add_dai_link(tplg->comp->card, link);
1784 return 0;
1785 }
1786
1787 /* create a FE DAI and DAI link from the PCM object */
1788 static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1789 struct snd_soc_tplg_pcm *pcm)
1790 {
1791 int ret;
1792
1793 ret = soc_tplg_dai_create(tplg, pcm);
1794 if (ret < 0)
1795 return ret;
1796
1797 return soc_tplg_fe_link_create(tplg, pcm);
1798 }
1799
1800 /* copy stream caps from the old version 4 of source */
1801 static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1802 struct snd_soc_tplg_stream_caps_v4 *src)
1803 {
1804 dest->size = sizeof(*dest);
1805 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1806 dest->formats = src->formats;
1807 dest->rates = src->rates;
1808 dest->rate_min = src->rate_min;
1809 dest->rate_max = src->rate_max;
1810 dest->channels_min = src->channels_min;
1811 dest->channels_max = src->channels_max;
1812 dest->periods_min = src->periods_min;
1813 dest->periods_max = src->periods_max;
1814 dest->period_size_min = src->period_size_min;
1815 dest->period_size_max = src->period_size_max;
1816 dest->buffer_size_min = src->buffer_size_min;
1817 dest->buffer_size_max = src->buffer_size_max;
1818 }
1819
1820 /**
1821 * pcm_new_ver - Create the new version of PCM from the old version.
1822 * @tplg: topology context
1823 * @src: older version of pcm as a source
1824 * @pcm: latest version of pcm created from the source
1825 *
1826 * Support from vesion 4. User should free the returned pcm manually.
1827 */
1828 static int pcm_new_ver(struct soc_tplg *tplg,
1829 struct snd_soc_tplg_pcm *src,
1830 struct snd_soc_tplg_pcm **pcm)
1831 {
1832 struct snd_soc_tplg_pcm *dest;
1833 struct snd_soc_tplg_pcm_v4 *src_v4;
1834 int i;
1835
1836 *pcm = NULL;
1837
1838 if (src->size != sizeof(*src_v4)) {
1839 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1840 return -EINVAL;
1841 }
1842
1843 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1844 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1845 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1846 if (!dest)
1847 return -ENOMEM;
1848
1849 dest->size = sizeof(*dest); /* size of latest abi version */
1850 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1851 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1852 dest->pcm_id = src_v4->pcm_id;
1853 dest->dai_id = src_v4->dai_id;
1854 dest->playback = src_v4->playback;
1855 dest->capture = src_v4->capture;
1856 dest->compress = src_v4->compress;
1857 dest->num_streams = src_v4->num_streams;
1858 for (i = 0; i < dest->num_streams; i++)
1859 memcpy(&dest->stream[i], &src_v4->stream[i],
1860 sizeof(struct snd_soc_tplg_stream));
1861
1862 for (i = 0; i < 2; i++)
1863 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1864
1865 *pcm = dest;
1866 return 0;
1867 }
1868
1869 static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
1870 struct snd_soc_tplg_hdr *hdr)
1871 {
1872 struct snd_soc_tplg_pcm *pcm, *_pcm;
1873 int count = hdr->count;
1874 int i, err;
1875 bool abi_match;
1876
1877 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1878 return 0;
1879
1880 /* check the element size and count */
1881 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1882 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1883 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1884 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1885 pcm->size);
1886 return -EINVAL;
1887 }
1888
1889 if (soc_tplg_check_elem_count(tplg,
1890 pcm->size, count,
1891 hdr->payload_size, "PCM DAI")) {
1892 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1893 count);
1894 return -EINVAL;
1895 }
1896
1897 for (i = 0; i < count; i++) {
1898 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1899
1900 /* check ABI version by size, create a new version of pcm
1901 * if abi not match.
1902 */
1903 if (pcm->size == sizeof(*pcm)) {
1904 abi_match = true;
1905 _pcm = pcm;
1906 } else {
1907 abi_match = false;
1908 err = pcm_new_ver(tplg, pcm, &_pcm);
1909 }
1910
1911 /* create the FE DAIs and DAI links */
1912 soc_tplg_pcm_create(tplg, _pcm);
1913
1914 /* offset by version-specific struct size and
1915 * real priv data size
1916 */
1917 tplg->pos += pcm->size + _pcm->priv.size;
1918
1919 if (!abi_match)
1920 kfree(_pcm); /* free the duplicated one */
1921 }
1922
1923 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
1924
1925 return 0;
1926 }
1927
1928 /**
1929 * set_link_hw_format - Set the HW audio format of the physical DAI link.
1930 * @tplg: topology context
1931 * @cfg: physical link configs.
1932 *
1933 * Topology context contains a list of supported HW formats (configs) and
1934 * a default format ID for the physical link. This function will use this
1935 * default ID to choose the HW format to set the link's DAI format for init.
1936 */
1937 static void set_link_hw_format(struct snd_soc_dai_link *link,
1938 struct snd_soc_tplg_link_config *cfg)
1939 {
1940 struct snd_soc_tplg_hw_config *hw_config;
1941 unsigned char bclk_master, fsync_master;
1942 unsigned char invert_bclk, invert_fsync;
1943 int i;
1944
1945 for (i = 0; i < cfg->num_hw_configs; i++) {
1946 hw_config = &cfg->hw_config[i];
1947 if (hw_config->id != cfg->default_hw_config_id)
1948 continue;
1949
1950 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
1951
1952 /* clock signal polarity */
1953 invert_bclk = hw_config->invert_bclk;
1954 invert_fsync = hw_config->invert_fsync;
1955 if (!invert_bclk && !invert_fsync)
1956 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1957 else if (!invert_bclk && invert_fsync)
1958 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
1959 else if (invert_bclk && !invert_fsync)
1960 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
1961 else
1962 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
1963
1964 /* clock masters */
1965 bclk_master = hw_config->bclk_master;
1966 fsync_master = hw_config->fsync_master;
1967 if (!bclk_master && !fsync_master)
1968 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
1969 else if (bclk_master && !fsync_master)
1970 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
1971 else if (!bclk_master && fsync_master)
1972 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
1973 else
1974 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
1975 }
1976 }
1977
1978 /**
1979 * link_new_ver - Create a new physical link config from the old
1980 * version of source.
1981 * @toplogy: topology context
1982 * @src: old version of phyical link config as a source
1983 * @link: latest version of physical link config created from the source
1984 *
1985 * Support from vesion 4. User need free the returned link config manually.
1986 */
1987 static int link_new_ver(struct soc_tplg *tplg,
1988 struct snd_soc_tplg_link_config *src,
1989 struct snd_soc_tplg_link_config **link)
1990 {
1991 struct snd_soc_tplg_link_config *dest;
1992 struct snd_soc_tplg_link_config_v4 *src_v4;
1993 int i;
1994
1995 *link = NULL;
1996
1997 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
1998 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
1999 return -EINVAL;
2000 }
2001
2002 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2003
2004 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2005 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2006 if (!dest)
2007 return -ENOMEM;
2008
2009 dest->size = sizeof(*dest);
2010 dest->id = src_v4->id;
2011 dest->num_streams = src_v4->num_streams;
2012 for (i = 0; i < dest->num_streams; i++)
2013 memcpy(&dest->stream[i], &src_v4->stream[i],
2014 sizeof(struct snd_soc_tplg_stream));
2015
2016 *link = dest;
2017 return 0;
2018 }
2019
2020 /* Find and configure an existing physical DAI link */
2021 static int soc_tplg_link_config(struct soc_tplg *tplg,
2022 struct snd_soc_tplg_link_config *cfg)
2023 {
2024 struct snd_soc_dai_link *link;
2025 const char *name, *stream_name;
2026 size_t len;
2027 int ret;
2028
2029 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2030 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2031 return -EINVAL;
2032 else if (len)
2033 name = cfg->name;
2034 else
2035 name = NULL;
2036
2037 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2038 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2039 return -EINVAL;
2040 else if (len)
2041 stream_name = cfg->stream_name;
2042 else
2043 stream_name = NULL;
2044
2045 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2046 name, stream_name);
2047 if (!link) {
2048 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2049 name, cfg->id);
2050 return -EINVAL;
2051 }
2052
2053 /* hw format */
2054 if (cfg->num_hw_configs)
2055 set_link_hw_format(link, cfg);
2056
2057 /* flags */
2058 if (cfg->flag_mask)
2059 set_link_flags(link, cfg->flag_mask, cfg->flags);
2060
2061 /* pass control to component driver for optional further init */
2062 ret = soc_tplg_dai_link_load(tplg, link);
2063 if (ret < 0) {
2064 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2065 return ret;
2066 }
2067
2068 return 0;
2069 }
2070
2071
2072 /* Load physical link config elements from the topology context */
2073 static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2074 struct snd_soc_tplg_hdr *hdr)
2075 {
2076 struct snd_soc_tplg_link_config *link, *_link;
2077 int count = hdr->count;
2078 int i, ret;
2079 bool abi_match;
2080
2081 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2082 tplg->pos += hdr->size + hdr->payload_size;
2083 return 0;
2084 };
2085
2086 /* check the element size and count */
2087 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2088 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2089 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2090 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2091 link->size);
2092 return -EINVAL;
2093 }
2094
2095 if (soc_tplg_check_elem_count(tplg,
2096 link->size, count,
2097 hdr->payload_size, "physical link config")) {
2098 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2099 count);
2100 return -EINVAL;
2101 }
2102
2103 /* config physical DAI links */
2104 for (i = 0; i < count; i++) {
2105 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2106 if (link->size == sizeof(*link)) {
2107 abi_match = true;
2108 _link = link;
2109 } else {
2110 abi_match = false;
2111 ret = link_new_ver(tplg, link, &_link);
2112 if (ret < 0)
2113 return ret;
2114 }
2115
2116 ret = soc_tplg_link_config(tplg, _link);
2117 if (ret < 0)
2118 return ret;
2119
2120 /* offset by version-specific struct size and
2121 * real priv data size
2122 */
2123 tplg->pos += link->size + _link->priv.size;
2124
2125 if (!abi_match)
2126 kfree(_link); /* free the duplicated one */
2127 }
2128
2129 return 0;
2130 }
2131
2132 /**
2133 * soc_tplg_dai_config - Find and configure an existing physical DAI.
2134 * @tplg: topology context
2135 * @d: physical DAI configs.
2136 *
2137 * The physical dai should already be registered by the platform driver.
2138 * The platform driver should specify the DAI name and ID for matching.
2139 */
2140 static int soc_tplg_dai_config(struct soc_tplg *tplg,
2141 struct snd_soc_tplg_dai *d)
2142 {
2143 struct snd_soc_dai_link_component dai_component = {0};
2144 struct snd_soc_dai *dai;
2145 struct snd_soc_dai_driver *dai_drv;
2146 struct snd_soc_pcm_stream *stream;
2147 struct snd_soc_tplg_stream_caps *caps;
2148 int ret;
2149
2150 dai_component.dai_name = d->dai_name;
2151 dai = snd_soc_find_dai(&dai_component);
2152 if (!dai) {
2153 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2154 d->dai_name);
2155 return -EINVAL;
2156 }
2157
2158 if (d->dai_id != dai->id) {
2159 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2160 d->dai_name);
2161 return -EINVAL;
2162 }
2163
2164 dai_drv = dai->driver;
2165 if (!dai_drv)
2166 return -EINVAL;
2167
2168 if (d->playback) {
2169 stream = &dai_drv->playback;
2170 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
2171 set_stream_info(stream, caps);
2172 }
2173
2174 if (d->capture) {
2175 stream = &dai_drv->capture;
2176 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
2177 set_stream_info(stream, caps);
2178 }
2179
2180 if (d->flag_mask)
2181 set_dai_flags(dai_drv, d->flag_mask, d->flags);
2182
2183 /* pass control to component driver for optional further init */
2184 ret = soc_tplg_dai_load(tplg, dai_drv);
2185 if (ret < 0) {
2186 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2187 return ret;
2188 }
2189
2190 return 0;
2191 }
2192
2193 /* load physical DAI elements */
2194 static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2195 struct snd_soc_tplg_hdr *hdr)
2196 {
2197 struct snd_soc_tplg_dai *dai;
2198 int count = hdr->count;
2199 int i;
2200
2201 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2202 return 0;
2203
2204 /* config the existing BE DAIs */
2205 for (i = 0; i < count; i++) {
2206 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2207 if (dai->size != sizeof(*dai)) {
2208 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
2209 return -EINVAL;
2210 }
2211
2212 soc_tplg_dai_config(tplg, dai);
2213 tplg->pos += (sizeof(*dai) + dai->priv.size);
2214 }
2215
2216 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2217 return 0;
2218 }
2219
2220 /**
2221 * manifest_new_ver - Create a new version of manifest from the old version
2222 * of source.
2223 * @toplogy: topology context
2224 * @src: old version of manifest as a source
2225 * @manifest: latest version of manifest created from the source
2226 *
2227 * Support from vesion 4. Users need free the returned manifest manually.
2228 */
2229 static int manifest_new_ver(struct soc_tplg *tplg,
2230 struct snd_soc_tplg_manifest *src,
2231 struct snd_soc_tplg_manifest **manifest)
2232 {
2233 struct snd_soc_tplg_manifest *dest;
2234 struct snd_soc_tplg_manifest_v4 *src_v4;
2235
2236 *manifest = NULL;
2237
2238 if (src->size != sizeof(*src_v4)) {
2239 dev_err(tplg->dev, "ASoC: invalid manifest size\n");
2240 return -EINVAL;
2241 }
2242
2243 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2244
2245 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2246 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2247 if (!dest)
2248 return -ENOMEM;
2249
2250 dest->size = sizeof(*dest); /* size of latest abi version */
2251 dest->control_elems = src_v4->control_elems;
2252 dest->widget_elems = src_v4->widget_elems;
2253 dest->graph_elems = src_v4->graph_elems;
2254 dest->pcm_elems = src_v4->pcm_elems;
2255 dest->dai_link_elems = src_v4->dai_link_elems;
2256 dest->priv.size = src_v4->priv.size;
2257 if (dest->priv.size)
2258 memcpy(dest->priv.data, src_v4->priv.data,
2259 src_v4->priv.size);
2260
2261 *manifest = dest;
2262 return 0;
2263 }
2264
2265 static int soc_tplg_manifest_load(struct soc_tplg *tplg,
2266 struct snd_soc_tplg_hdr *hdr)
2267 {
2268 struct snd_soc_tplg_manifest *manifest, *_manifest;
2269 bool abi_match;
2270 int err;
2271
2272 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2273 return 0;
2274
2275 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
2276
2277 /* check ABI version by size, create a new manifest if abi not match */
2278 if (manifest->size == sizeof(*manifest)) {
2279 abi_match = true;
2280 _manifest = manifest;
2281 } else {
2282 abi_match = false;
2283 err = manifest_new_ver(tplg, manifest, &_manifest);
2284 if (err < 0)
2285 return err;
2286 }
2287
2288 /* pass control to component driver for optional further init */
2289 if (tplg->comp && tplg->ops && tplg->ops->manifest)
2290 return tplg->ops->manifest(tplg->comp, _manifest);
2291
2292 if (!abi_match) /* free the duplicated one */
2293 kfree(_manifest);
2294
2295 return 0;
2296 }
2297
2298 /* validate header magic, size and type */
2299 static int soc_valid_header(struct soc_tplg *tplg,
2300 struct snd_soc_tplg_hdr *hdr)
2301 {
2302 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2303 return 0;
2304
2305 if (hdr->size != sizeof(*hdr)) {
2306 dev_err(tplg->dev,
2307 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2308 hdr->type, soc_tplg_get_hdr_offset(tplg),
2309 tplg->fw->size);
2310 return -EINVAL;
2311 }
2312
2313 /* big endian firmware objects not supported atm */
2314 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2315 dev_err(tplg->dev,
2316 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2317 tplg->pass, hdr->magic,
2318 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2319 return -EINVAL;
2320 }
2321
2322 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2323 dev_err(tplg->dev,
2324 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2325 tplg->pass, hdr->magic,
2326 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2327 return -EINVAL;
2328 }
2329
2330 /* Support ABI from version 4 */
2331 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2332 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
2333 dev_err(tplg->dev,
2334 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2335 tplg->pass, hdr->abi,
2336 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2337 tplg->fw->size);
2338 return -EINVAL;
2339 }
2340
2341 if (hdr->payload_size == 0) {
2342 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2343 soc_tplg_get_hdr_offset(tplg));
2344 return -EINVAL;
2345 }
2346
2347 if (tplg->pass == hdr->type)
2348 dev_dbg(tplg->dev,
2349 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2350 hdr->payload_size, hdr->type, hdr->version,
2351 hdr->vendor_type, tplg->pass);
2352
2353 return 1;
2354 }
2355
2356 /* check header type and call appropriate handler */
2357 static int soc_tplg_load_header(struct soc_tplg *tplg,
2358 struct snd_soc_tplg_hdr *hdr)
2359 {
2360 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2361
2362 /* check for matching ID */
2363 if (hdr->index != tplg->req_index &&
2364 hdr->index != SND_SOC_TPLG_INDEX_ALL)
2365 return 0;
2366
2367 tplg->index = hdr->index;
2368
2369 switch (hdr->type) {
2370 case SND_SOC_TPLG_TYPE_MIXER:
2371 case SND_SOC_TPLG_TYPE_ENUM:
2372 case SND_SOC_TPLG_TYPE_BYTES:
2373 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2374 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2375 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2376 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2377 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2378 case SND_SOC_TPLG_TYPE_PCM:
2379 return soc_tplg_pcm_elems_load(tplg, hdr);
2380 case SND_SOC_TPLG_TYPE_DAI:
2381 return soc_tplg_dai_elems_load(tplg, hdr);
2382 case SND_SOC_TPLG_TYPE_DAI_LINK:
2383 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2384 /* physical link configurations */
2385 return soc_tplg_link_elems_load(tplg, hdr);
2386 case SND_SOC_TPLG_TYPE_MANIFEST:
2387 return soc_tplg_manifest_load(tplg, hdr);
2388 default:
2389 /* bespoke vendor data object */
2390 return soc_tplg_vendor_load(tplg, hdr);
2391 }
2392
2393 return 0;
2394 }
2395
2396 /* process the topology file headers */
2397 static int soc_tplg_process_headers(struct soc_tplg *tplg)
2398 {
2399 struct snd_soc_tplg_hdr *hdr;
2400 int ret;
2401
2402 tplg->pass = SOC_TPLG_PASS_START;
2403
2404 /* process the header types from start to end */
2405 while (tplg->pass <= SOC_TPLG_PASS_END) {
2406
2407 tplg->hdr_pos = tplg->fw->data;
2408 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2409
2410 while (!soc_tplg_is_eof(tplg)) {
2411
2412 /* make sure header is valid before loading */
2413 ret = soc_valid_header(tplg, hdr);
2414 if (ret < 0)
2415 return ret;
2416 else if (ret == 0)
2417 break;
2418
2419 /* load the header object */
2420 ret = soc_tplg_load_header(tplg, hdr);
2421 if (ret < 0)
2422 return ret;
2423
2424 /* goto next header */
2425 tplg->hdr_pos += hdr->payload_size +
2426 sizeof(struct snd_soc_tplg_hdr);
2427 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2428 }
2429
2430 /* next data type pass */
2431 tplg->pass++;
2432 }
2433
2434 /* signal DAPM we are complete */
2435 ret = soc_tplg_dapm_complete(tplg);
2436 if (ret < 0)
2437 dev_err(tplg->dev,
2438 "ASoC: failed to initialise DAPM from Firmware\n");
2439
2440 return ret;
2441 }
2442
2443 static int soc_tplg_load(struct soc_tplg *tplg)
2444 {
2445 int ret;
2446
2447 ret = soc_tplg_process_headers(tplg);
2448 if (ret == 0)
2449 soc_tplg_complete(tplg);
2450
2451 return ret;
2452 }
2453
2454 /* load audio component topology from "firmware" file */
2455 int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2456 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2457 {
2458 struct soc_tplg tplg;
2459
2460 /* setup parsing context */
2461 memset(&tplg, 0, sizeof(tplg));
2462 tplg.fw = fw;
2463 tplg.dev = comp->dev;
2464 tplg.comp = comp;
2465 tplg.ops = ops;
2466 tplg.req_index = id;
2467 tplg.io_ops = ops->io_ops;
2468 tplg.io_ops_count = ops->io_ops_count;
2469 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2470 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2471
2472 return soc_tplg_load(&tplg);
2473 }
2474 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2475
2476 /* remove this dynamic widget */
2477 void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2478 {
2479 /* make sure we are a widget */
2480 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2481 return;
2482
2483 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2484 }
2485 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2486
2487 /* remove all dynamic widgets from this DAPM context */
2488 void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2489 u32 index)
2490 {
2491 struct snd_soc_dapm_widget *w, *next_w;
2492
2493 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2494
2495 /* make sure we are a widget with correct context */
2496 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2497 continue;
2498
2499 /* match ID */
2500 if (w->dobj.index != index &&
2501 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2502 continue;
2503 /* check and free and dynamic widget kcontrols */
2504 snd_soc_tplg_widget_remove(w);
2505 snd_soc_dapm_free_widget(w);
2506 }
2507 snd_soc_dapm_reset_cache(dapm);
2508 }
2509 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2510
2511 /* remove dynamic controls from the component driver */
2512 int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2513 {
2514 struct snd_soc_dobj *dobj, *next_dobj;
2515 int pass = SOC_TPLG_PASS_END;
2516
2517 /* process the header types from end to start */
2518 while (pass >= SOC_TPLG_PASS_START) {
2519
2520 /* remove mixer controls */
2521 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2522 list) {
2523
2524 /* match index */
2525 if (dobj->index != index &&
2526 dobj->index != SND_SOC_TPLG_INDEX_ALL)
2527 continue;
2528
2529 switch (dobj->type) {
2530 case SND_SOC_DOBJ_MIXER:
2531 remove_mixer(comp, dobj, pass);
2532 break;
2533 case SND_SOC_DOBJ_ENUM:
2534 remove_enum(comp, dobj, pass);
2535 break;
2536 case SND_SOC_DOBJ_BYTES:
2537 remove_bytes(comp, dobj, pass);
2538 break;
2539 case SND_SOC_DOBJ_WIDGET:
2540 remove_widget(comp, dobj, pass);
2541 break;
2542 case SND_SOC_DOBJ_PCM:
2543 remove_dai(comp, dobj, pass);
2544 break;
2545 case SND_SOC_DOBJ_DAI_LINK:
2546 remove_link(comp, dobj, pass);
2547 break;
2548 default:
2549 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2550 dobj->type);
2551 break;
2552 }
2553 }
2554 pass--;
2555 }
2556
2557 /* let caller know if FW can be freed when no objects are left */
2558 return !list_empty(&comp->dobj_list);
2559 }
2560 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
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