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