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ASoC: topology: fix typos in topology header
[deliverable/linux.git] / sound / soc / soc-topology.c
CommitLineData
8a978234
LG		 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
37/*
38 * We make several passes over the data (since it wont necessarily be ordered)
39 * and process objects in the following order. This guarantees the component
40 * drivers will be ready with any vendor data before the mixers and DAPM objects
41 * are loaded (that may make use of the vendor data).
42 */
43#define SOC_TPLG_PASS_MANIFEST 0
44#define SOC_TPLG_PASS_VENDOR 1
45#define SOC_TPLG_PASS_MIXER 2
46#define SOC_TPLG_PASS_WIDGET 3
47#define SOC_TPLG_PASS_GRAPH 4
48#define SOC_TPLG_PASS_PINS 5
49#define SOC_TPLG_PASS_PCM_DAI 6
50
51#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
52#define SOC_TPLG_PASS_END SOC_TPLG_PASS_PCM_DAI
53
54struct soc_tplg {
55 const struct firmware *fw;
56
57 /* runtime FW parsing */
58 const u8 *pos; /* read postion */
59 const u8 *hdr_pos; /* header position */
60 unsigned int pass; /* pass number */
61
62 /* component caller */
63 struct device *dev;
64 struct snd_soc_component *comp;
65 u32 index; /* current block index */
66 u32 req_index; /* required index, only loaded/free matching blocks */
67
68 /* kcontrol operations */
69 const struct snd_soc_tplg_kcontrol_ops *io_ops;
70 int io_ops_count;
71
72 /* optional fw loading callbacks to component drivers */
73 struct snd_soc_tplg_ops *ops;
74};
75
76static int soc_tplg_process_headers(struct soc_tplg *tplg);
77static void soc_tplg_complete(struct soc_tplg *tplg);
78struct snd_soc_dapm_widget *
79snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
80 const struct snd_soc_dapm_widget *widget);
81struct snd_soc_dapm_widget *
82snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
83 const struct snd_soc_dapm_widget *widget);
84
85/* check we dont overflow the data for this control chunk */
86static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
87 unsigned int count, size_t bytes, const char *elem_type)
88{
89 const u8 *end = tplg->pos + elem_size * count;
90
91 if (end > tplg->fw->data + tplg->fw->size) {
92 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
93 elem_type);
94 return -EINVAL;
95 }
96
97 /* check there is enough room in chunk for control.
98 extra bytes at the end of control are for vendor data here */
99 if (elem_size * count > bytes) {
100 dev_err(tplg->dev,
101 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
102 elem_type, count, elem_size, bytes);
103 return -EINVAL;
104 }
105
106 return 0;
107}
108
109static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
110{
111 const u8 *end = tplg->hdr_pos;
112
113 if (end >= tplg->fw->data + tplg->fw->size)
114 return 1;
115 return 0;
116}
117
118static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
119{
120 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
121}
122
123static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
124{
125 return (unsigned long)(tplg->pos - tplg->fw->data);
126}
127
128/* mapping of Kcontrol types and associated operations. */
129static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
130 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
131 snd_soc_put_volsw, snd_soc_info_volsw},
132 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
133 snd_soc_put_volsw_sx, NULL},
134 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
135 snd_soc_put_enum_double, snd_soc_info_enum_double},
136 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
137 snd_soc_put_enum_double, NULL},
138 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
139 snd_soc_bytes_put, snd_soc_bytes_info},
140 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
141 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
142 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
143 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
144 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
145 snd_soc_put_strobe, NULL},
146 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
147 snd_soc_dapm_put_volsw, NULL},
148 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
149 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
150 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
151 snd_soc_dapm_put_enum_double, NULL},
152 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
153 snd_soc_dapm_put_enum_double, NULL},
154 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
155 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
156};
157
158struct soc_tplg_map {
159 int uid;
160 int kid;
161};
162
163/* mapping of widget types from UAPI IDs to kernel IDs */
164static const struct soc_tplg_map dapm_map[] = {
165 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
166 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
167 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
168 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
169 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
170 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
171 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
172 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
173 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
174 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
175 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
176 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
177 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
178 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
179 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
180 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
181};
182
183static int tplc_chan_get_reg(struct soc_tplg *tplg,
184 struct snd_soc_tplg_channel *chan, int map)
185{
186 int i;
187
188 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
189 if (chan[i].id == map)
190 return chan[i].reg;
191 }
192
193 return -EINVAL;
194}
195
196static int tplc_chan_get_shift(struct soc_tplg *tplg,
197 struct snd_soc_tplg_channel *chan, int map)
198{
199 int i;
200
201 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
202 if (chan[i].id == map)
203 return chan[i].shift;
204 }
205
206 return -EINVAL;
207}
208
209static int get_widget_id(int tplg_type)
210{
211 int i;
212
213 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
214 if (tplg_type == dapm_map[i].uid)
215 return dapm_map[i].kid;
216 }
217
218 return -EINVAL;
219}
220
221static enum snd_soc_dobj_type get_dobj_mixer_type(
222 struct snd_soc_tplg_ctl_hdr *control_hdr)
223{
224 if (control_hdr == NULL)
225 return SND_SOC_DOBJ_NONE;
226
227 switch (control_hdr->ops.info) {
228 case SND_SOC_TPLG_CTL_VOLSW:
229 case SND_SOC_TPLG_CTL_VOLSW_SX:
230 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
231 case SND_SOC_TPLG_CTL_RANGE:
232 case SND_SOC_TPLG_CTL_STROBE:
233 return SND_SOC_DOBJ_MIXER;
234 case SND_SOC_TPLG_CTL_ENUM:
235 case SND_SOC_TPLG_CTL_ENUM_VALUE:
236 return SND_SOC_DOBJ_ENUM;
237 case SND_SOC_TPLG_CTL_BYTES:
238 return SND_SOC_DOBJ_BYTES;
239 default:
240 return SND_SOC_DOBJ_NONE;
241 }
242}
243
244static enum snd_soc_dobj_type get_dobj_type(struct snd_soc_tplg_hdr *hdr,
245 struct snd_soc_tplg_ctl_hdr *control_hdr)
246{
247 switch (hdr->type) {
248 case SND_SOC_TPLG_TYPE_MIXER:
249 return get_dobj_mixer_type(control_hdr);
250 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
251 case SND_SOC_TPLG_TYPE_MANIFEST:
252 return SND_SOC_DOBJ_NONE;
253 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
254 return SND_SOC_DOBJ_WIDGET;
255 case SND_SOC_TPLG_TYPE_DAI_LINK:
256 return SND_SOC_DOBJ_DAI_LINK;
257 case SND_SOC_TPLG_TYPE_PCM:
258 return SND_SOC_DOBJ_PCM;
259 case SND_SOC_TPLG_TYPE_CODEC_LINK:
260 return SND_SOC_DOBJ_CODEC_LINK;
261 default:
262 return SND_SOC_DOBJ_NONE;
263 }
264}
265
266static inline void soc_bind_err(struct soc_tplg *tplg,
267 struct snd_soc_tplg_ctl_hdr *hdr, int index)
268{
269 dev_err(tplg->dev,
270 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
271 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
272 soc_tplg_get_offset(tplg));
273}
274
275static inline void soc_control_err(struct soc_tplg *tplg,
276 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
277{
278 dev_err(tplg->dev,
279 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
280 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
281 soc_tplg_get_offset(tplg));
282}
283
284/* pass vendor data to component driver for processing */
285static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
286 struct snd_soc_tplg_hdr *hdr)
287{
288 int ret = 0;
289
290 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
291 ret = tplg->ops->vendor_load(tplg->comp, hdr);
292 else {
293 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
294 hdr->vendor_type);
295 return -EINVAL;
296 }
297
298 if (ret < 0)
299 dev_err(tplg->dev,
300 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
301 soc_tplg_get_hdr_offset(tplg),
302 soc_tplg_get_hdr_offset(tplg),
303 hdr->type, hdr->vendor_type);
304 return ret;
305}
306
307/* pass vendor data to component driver for processing */
308static int soc_tplg_vendor_load(struct soc_tplg *tplg,
309 struct snd_soc_tplg_hdr *hdr)
310{
311 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
312 return 0;
313
314 return soc_tplg_vendor_load_(tplg, hdr);
315}
316
317/* optionally pass new dynamic widget to component driver. This is mainly for
318 * external widgets where we can assign private data/ops */
319static int soc_tplg_widget_load(struct soc_tplg *tplg,
320 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
321{
322 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
323 return tplg->ops->widget_load(tplg->comp, w, tplg_w);
324
325 return 0;
326}
327
328/* pass dynamic FEs configurations to component driver */
329static int soc_tplg_pcm_dai_load(struct soc_tplg *tplg,
330 struct snd_soc_tplg_pcm_dai *pcm_dai, int num_pcm_dai)
331{
332 if (tplg->comp && tplg->ops && tplg->ops->pcm_dai_load)
333 return tplg->ops->pcm_dai_load(tplg->comp, pcm_dai, num_pcm_dai);
334
335 return 0;
336}
337
338/* tell the component driver that all firmware has been loaded in this request */
339static void soc_tplg_complete(struct soc_tplg *tplg)
340{
341 if (tplg->comp && tplg->ops && tplg->ops->complete)
342 tplg->ops->complete(tplg->comp);
343}
344
345/* add a dynamic kcontrol */
346static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
347 const struct snd_kcontrol_new *control_new, const char *prefix,
348 void *data, struct snd_kcontrol **kcontrol)
349{
350 int err;
351
352 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
353 if (*kcontrol == NULL) {
354 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
355 control_new->name);
356 return -ENOMEM;
357 }
358
359 err = snd_ctl_add(card, *kcontrol);
360 if (err < 0) {
361 dev_err(dev, "ASoC: Failed to add %s: %d\n",
362 control_new->name, err);
363 return err;
364 }
365
366 return 0;
367}
368
369/* add a dynamic kcontrol for component driver */
370static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
371 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
372{
373 struct snd_soc_component *comp = tplg->comp;
374
375 return soc_tplg_add_dcontrol(comp->card->snd_card,
376 comp->dev, k, NULL, comp, kcontrol);
377}
378
379/* remove a mixer kcontrol */
380static void remove_mixer(struct snd_soc_component *comp,
381 struct snd_soc_dobj *dobj, int pass)
382{
383 struct snd_card *card = comp->card->snd_card;
384 struct soc_mixer_control *sm =
385 container_of(dobj, struct soc_mixer_control, dobj);
386 const unsigned int *p = NULL;
387
388 if (pass != SOC_TPLG_PASS_MIXER)
389 return;
390
391 if (dobj->ops && dobj->ops->control_unload)
392 dobj->ops->control_unload(comp, dobj);
393
394 if (sm->dobj.control.kcontrol->tlv.p)
395 p = sm->dobj.control.kcontrol->tlv.p;
396 snd_ctl_remove(card, sm->dobj.control.kcontrol);
397 list_del(&sm->dobj.list);
398 kfree(sm);
399 kfree(p);
400}
401
402/* remove an enum kcontrol */
403static void remove_enum(struct snd_soc_component *comp,
404 struct snd_soc_dobj *dobj, int pass)
405{
406 struct snd_card *card = comp->card->snd_card;
407 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
408 int i;
409
410 if (pass != SOC_TPLG_PASS_MIXER)
411 return;
412
413 if (dobj->ops && dobj->ops->control_unload)
414 dobj->ops->control_unload(comp, dobj);
415
416 snd_ctl_remove(card, se->dobj.control.kcontrol);
417 list_del(&se->dobj.list);
418
419 kfree(se->dobj.control.dvalues);
420 for (i = 0; i < se->items; i++)
421 kfree(se->dobj.control.dtexts[i]);
422 kfree(se);
423}
424
425/* remove a byte kcontrol */
426static void remove_bytes(struct snd_soc_component *comp,
427 struct snd_soc_dobj *dobj, int pass)
428{
429 struct snd_card *card = comp->card->snd_card;
430 struct soc_bytes_ext *sb =
431 container_of(dobj, struct soc_bytes_ext, dobj);
432
433 if (pass != SOC_TPLG_PASS_MIXER)
434 return;
435
436 if (dobj->ops && dobj->ops->control_unload)
437 dobj->ops->control_unload(comp, dobj);
438
439 snd_ctl_remove(card, sb->dobj.control.kcontrol);
440 list_del(&sb->dobj.list);
441 kfree(sb);
442}
443
444/* remove a widget and it's kcontrols - routes must be removed first */
445static void remove_widget(struct snd_soc_component *comp,
446 struct snd_soc_dobj *dobj, int pass)
447{
448 struct snd_card *card = comp->card->snd_card;
449 struct snd_soc_dapm_widget *w =
450 container_of(dobj, struct snd_soc_dapm_widget, dobj);
451 int i;
452
453 if (pass != SOC_TPLG_PASS_WIDGET)
454 return;
455
456 if (dobj->ops && dobj->ops->widget_unload)
457 dobj->ops->widget_unload(comp, dobj);
458
459 /*
460 * Dynamic Widgets either have 1 enum kcontrol or 1..N mixers.
461 * The enum may either have an array of values or strings.
462 */
463 if (dobj->widget.kcontrol_enum) {
464 /* enumerated widget mixer */
465 struct soc_enum *se =
466 (struct soc_enum *)w->kcontrols[0]->private_value;
467
468 snd_ctl_remove(card, w->kcontrols[0]);
469
470 kfree(se->dobj.control.dvalues);
471 for (i = 0; i < se->items; i++)
472 kfree(se->dobj.control.dtexts[i]);
473
474 kfree(se);
475 kfree(w->kcontrol_news);
476 } else {
477 /* non enumerated widget mixer */
478 for (i = 0; i < w->num_kcontrols; i++) {
479 struct snd_kcontrol *kcontrol = w->kcontrols[i];
480 struct soc_mixer_control *sm =
481 (struct soc_mixer_control *) kcontrol->private_value;
482
483 kfree(w->kcontrols[i]->tlv.p);
484
485 snd_ctl_remove(card, w->kcontrols[i]);
486 kfree(sm);
487 }
488 kfree(w->kcontrol_news);
489 }
490 /* widget w is freed by soc-dapm.c */
491}
492
493/* remove PCM DAI configurations */
494static void remove_pcm_dai(struct snd_soc_component *comp,
495 struct snd_soc_dobj *dobj, int pass)
496{
497 if (pass != SOC_TPLG_PASS_PCM_DAI)
498 return;
499
500 if (dobj->ops && dobj->ops->pcm_dai_unload)
501 dobj->ops->pcm_dai_unload(comp, dobj);
502
503 list_del(&dobj->list);
504 kfree(dobj);
505}
506
507/* bind a kcontrol to it's IO handlers */
508static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
509 struct snd_kcontrol_new *k,
510 const struct snd_soc_tplg_kcontrol_ops *ops, int num_ops,
511 const struct snd_soc_tplg_kcontrol_ops *bops, int num_bops)
512{
513 int i;
514
515 /* try and map standard kcontrols handler first */
516 for (i = 0; i < num_ops; i++) {
517
518 if (ops[i].id == hdr->ops.put)
519 k->put = ops[i].put;
520 if (ops[i].id == hdr->ops.get)
521 k->get = ops[i].get;
522 if (ops[i].id == hdr->ops.info)
523 k->info = ops[i].info;
524 }
525
526 /* standard handlers found ? */
527 if (k->put && k->get && k->info)
528 return 0;
529
530 /* none found so try bespoke handlers */
531 for (i = 0; i < num_bops; i++) {
532
533 if (k->put == NULL && bops[i].id == hdr->ops.put)
534 k->put = bops[i].put;
535 if (k->get == NULL && bops[i].id == hdr->ops.get)
536 k->get = bops[i].get;
537 if (k->info == NULL && ops[i].id == hdr->ops.info)
538 k->info = bops[i].info;
539 }
540
541 /* bespoke handlers found ? */
542 if (k->put && k->get && k->info)
543 return 0;
544
545 /* nothing to bind */
546 return -EINVAL;
547}
548
549/* bind a widgets to it's evnt handlers */
550int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
551 const struct snd_soc_tplg_widget_events *events,
552 int num_events, u16 event_type)
553{
554 int i;
555
556 w->event = NULL;
557
558 for (i = 0; i < num_events; i++) {
559 if (event_type == events[i].type) {
560
561 /* found - so assign event */
562 w->event = events[i].event_handler;
563 return 0;
564 }
565 }
566
567 /* not found */
568 return -EINVAL;
569}
570EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
571
572/* optionally pass new dynamic kcontrol to component driver. */
573static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
574 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
575{
576 if (tplg->comp && tplg->ops && tplg->ops->control_load)
577 return tplg->ops->control_load(tplg->comp, k, hdr);
578
579 return 0;
580}
581
582static int soc_tplg_create_tlv(struct soc_tplg *tplg,
7084ffbf 583 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_tlv *tplg_tlv)
8a978234 584{
8a978234 585 struct snd_ctl_tlv *tlv;
7084ffbf 586 int size;
8a978234 587
7084ffbf 588 if (tplg_tlv->count == 0)
8a978234
LG		 589 return 0;
590
7084ffbf
LG		 591 size = ((tplg_tlv->count + (sizeof(unsigned int) - 1)) &
592 ~(sizeof(unsigned int) - 1));
593 tlv = kzalloc(sizeof(*tlv) + size, GFP_KERNEL);
8a978234
LG		 594 if (tlv == NULL)
595 return -ENOMEM;
596
597 dev_dbg(tplg->dev, " created TLV type %d size %d bytes\n",
7084ffbf 598 tplg_tlv->numid, size);
8a978234
LG		 599
600 tlv->numid = tplg_tlv->numid;
7084ffbf
LG		 601 tlv->length = size;
602 memcpy(&tlv->tlv[0], tplg_tlv->data, size);
8a978234
LG		 603 kc->tlv.p = (void *)tlv;
604
605 return 0;
606}
607
608static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
609 struct snd_kcontrol_new *kc)
610{
611 kfree(kc->tlv.p);
612}
613
614static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
615 size_t size)
616{
617 struct snd_soc_tplg_bytes_control *be;
618 struct soc_bytes_ext *sbe;
619 struct snd_kcontrol_new kc;
620 int i, err;
621
622 if (soc_tplg_check_elem_count(tplg,
623 sizeof(struct snd_soc_tplg_bytes_control), count,
624 size, "mixer bytes")) {
625 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
626 count);
627 return -EINVAL;
628 }
629
630 for (i = 0; i < count; i++) {
631 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
632
633 /* validate kcontrol */
634 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
635 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
636 return -EINVAL;
637
638 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
639 if (sbe == NULL)
640 return -ENOMEM;
641
642 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
643 be->priv.size);
644
645 dev_dbg(tplg->dev,
646 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
647 be->hdr.name, be->hdr.access);
648
649 memset(&kc, 0, sizeof(kc));
650 kc.name = be->hdr.name;
651 kc.private_value = (long)sbe;
652 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
653 kc.access = be->hdr.access;
654
655 sbe->max = be->max;
656 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
657 sbe->dobj.ops = tplg->ops;
658 INIT_LIST_HEAD(&sbe->dobj.list);
659
660 /* map io handlers */
661 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, io_ops,
662 ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
663 if (err) {
664 soc_control_err(tplg, &be->hdr, be->hdr.name);
665 kfree(sbe);
666 continue;
667 }
668
669 /* pass control to driver for optional further init */
670 err = soc_tplg_init_kcontrol(tplg, &kc,
671 (struct snd_soc_tplg_ctl_hdr *)be);
672 if (err < 0) {
673 dev_err(tplg->dev, "ASoC: failed to init %s\n",
674 be->hdr.name);
675 kfree(sbe);
676 continue;
677 }
678
679 /* register control here */
680 err = soc_tplg_add_kcontrol(tplg, &kc,
681 &sbe->dobj.control.kcontrol);
682 if (err < 0) {
683 dev_err(tplg->dev, "ASoC: failed to add %s\n",
684 be->hdr.name);
685 kfree(sbe);
686 continue;
687 }
688
689 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
690 }
691 return 0;
692
693}
694
695static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
696 size_t size)
697{
698 struct snd_soc_tplg_mixer_control *mc;
699 struct soc_mixer_control *sm;
700 struct snd_kcontrol_new kc;
701 int i, err;
702
703 if (soc_tplg_check_elem_count(tplg,
704 sizeof(struct snd_soc_tplg_mixer_control),
705 count, size, "mixers")) {
706
707 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
708 count);
709 return -EINVAL;
710 }
711
712 for (i = 0; i < count; i++) {
713 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
714
715 /* validate kcontrol */
716 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
717 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
718 return -EINVAL;
719
720 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
721 if (sm == NULL)
722 return -ENOMEM;
723 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
724 mc->priv.size);
725
726 dev_dbg(tplg->dev,
727 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
728 mc->hdr.name, mc->hdr.access);
729
730 memset(&kc, 0, sizeof(kc));
731 kc.name = mc->hdr.name;
732 kc.private_value = (long)sm;
733 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
734 kc.access = mc->hdr.access;
735
736 /* we only support FL/FR channel mapping atm */
737 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
738 SNDRV_CHMAP_FL);
739 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
740 SNDRV_CHMAP_FR);
741 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
742 SNDRV_CHMAP_FL);
743 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
744 SNDRV_CHMAP_FR);
745
746 sm->max = mc->max;
747 sm->min = mc->min;
748 sm->invert = mc->invert;
749 sm->platform_max = mc->platform_max;
750 sm->dobj.index = tplg->index;
751 sm->dobj.ops = tplg->ops;
752 sm->dobj.type = SND_SOC_DOBJ_MIXER;
753 INIT_LIST_HEAD(&sm->dobj.list);
754
755 /* map io handlers */
756 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, io_ops,
757 ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
758 if (err) {
759 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
760 kfree(sm);
761 continue;
762 }
763
764 /* pass control to driver for optional further init */
765 err = soc_tplg_init_kcontrol(tplg, &kc,
766 (struct snd_soc_tplg_ctl_hdr *) mc);
767 if (err < 0) {
768 dev_err(tplg->dev, "ASoC: failed to init %s\n",
769 mc->hdr.name);
770 kfree(sm);
771 continue;
772 }
773
774 /* create any TLV data */
7084ffbf 775 soc_tplg_create_tlv(tplg, &kc, &mc->tlv);
8a978234
LG		 776
777 /* register control here */
778 err = soc_tplg_add_kcontrol(tplg, &kc,
779 &sm->dobj.control.kcontrol);
780 if (err < 0) {
781 dev_err(tplg->dev, "ASoC: failed to add %s\n",
782 mc->hdr.name);
783 soc_tplg_free_tlv(tplg, &kc);
784 kfree(sm);
785 continue;
786 }
787
788 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
789 }
790
791 return 0;
792}
793
794static int soc_tplg_denum_create_texts(struct soc_enum *se,
795 struct snd_soc_tplg_enum_control *ec)
796{
797 int i, ret;
798
799 se->dobj.control.dtexts =
800 kzalloc(sizeof(char *) * ec->items, GFP_KERNEL);
801 if (se->dobj.control.dtexts == NULL)
802 return -ENOMEM;
803
804 for (i = 0; i < ec->items; i++) {
805
806 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
807 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
808 ret = -EINVAL;
809 goto err;
810 }
811
812 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
813 if (!se->dobj.control.dtexts[i]) {
814 ret = -ENOMEM;
815 goto err;
816 }
817 }
818
819 return 0;
820
821err:
822 for (--i; i >= 0; i--)
823 kfree(se->dobj.control.dtexts[i]);
824 kfree(se->dobj.control.dtexts);
825 return ret;
826}
827
828static int soc_tplg_denum_create_values(struct soc_enum *se,
829 struct snd_soc_tplg_enum_control *ec)
830{
831 if (ec->items > sizeof(*ec->values))
832 return -EINVAL;
833
834 se->dobj.control.dvalues =
835 kmalloc(ec->items * sizeof(u32), GFP_KERNEL);
836 if (!se->dobj.control.dvalues)
837 return -ENOMEM;
838
839 memcpy(se->dobj.control.dvalues, ec->values, ec->items * sizeof(u32));
840 return 0;
841}
842
843static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
844 size_t size)
845{
846 struct snd_soc_tplg_enum_control *ec;
847 struct soc_enum *se;
848 struct snd_kcontrol_new kc;
849 int i, ret, err;
850
851 if (soc_tplg_check_elem_count(tplg,
852 sizeof(struct snd_soc_tplg_enum_control),
853 count, size, "enums")) {
854
855 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
856 count);
857 return -EINVAL;
858 }
859
860 for (i = 0; i < count; i++) {
861 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
862 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
863 ec->priv.size);
864
865 /* validate kcontrol */
866 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
867 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
868 return -EINVAL;
869
870 se = kzalloc((sizeof(*se)), GFP_KERNEL);
871 if (se == NULL)
872 return -ENOMEM;
873
874 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
875 ec->hdr.name, ec->items);
876
877 memset(&kc, 0, sizeof(kc));
878 kc.name = ec->hdr.name;
879 kc.private_value = (long)se;
880 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
881 kc.access = ec->hdr.access;
882
883 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
884 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
885 SNDRV_CHMAP_FL);
886 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
887 SNDRV_CHMAP_FL);
888
889 se->items = ec->items;
890 se->mask = ec->mask;
891 se->dobj.index = tplg->index;
892 se->dobj.type = SND_SOC_DOBJ_ENUM;
893 se->dobj.ops = tplg->ops;
894 INIT_LIST_HEAD(&se->dobj.list);
895
896 switch (ec->hdr.ops.info) {
897 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
898 case SND_SOC_TPLG_CTL_ENUM_VALUE:
899 err = soc_tplg_denum_create_values(se, ec);
900 if (err < 0) {
901 dev_err(tplg->dev,
902 "ASoC: could not create values for %s\n",
903 ec->hdr.name);
904 kfree(se);
905 continue;
906 }
907 /* fall through and create texts */
908 case SND_SOC_TPLG_CTL_ENUM:
909 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
910 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
911 err = soc_tplg_denum_create_texts(se, ec);
912 if (err < 0) {
913 dev_err(tplg->dev,
914 "ASoC: could not create texts for %s\n",
915 ec->hdr.name);
916 kfree(se);
917 continue;
918 }
919 break;
920 default:
921 dev_err(tplg->dev,
922 "ASoC: invalid enum control type %d for %s\n",
923 ec->hdr.ops.info, ec->hdr.name);
924 kfree(se);
925 continue;
926 }
927
928 /* map io handlers */
929 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, io_ops,
930 ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
931 if (err) {
932 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
933 kfree(se);
934 continue;
935 }
936
937 /* pass control to driver for optional further init */
938 err = soc_tplg_init_kcontrol(tplg, &kc,
939 (struct snd_soc_tplg_ctl_hdr *) ec);
940 if (err < 0) {
941 dev_err(tplg->dev, "ASoC: failed to init %s\n",
942 ec->hdr.name);
943 kfree(se);
944 continue;
945 }
946
947 /* register control here */
948 ret = soc_tplg_add_kcontrol(tplg,
949 &kc, &se->dobj.control.kcontrol);
950 if (ret < 0) {
951 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
952 ec->hdr.name);
953 kfree(se);
954 continue;
955 }
956
957 list_add(&se->dobj.list, &tplg->comp->dobj_list);
958 }
959
960 return 0;
961}
962
963static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
964 struct snd_soc_tplg_hdr *hdr)
965{
966 struct snd_soc_tplg_ctl_hdr *control_hdr;
967 int i;
968
969 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
970 tplg->pos += hdr->size + hdr->payload_size;
971 return 0;
972 }
973
974 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
975 soc_tplg_get_offset(tplg));
976
977 for (i = 0; i < hdr->count; i++) {
978
979 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
980
981 switch (control_hdr->ops.info) {
982 case SND_SOC_TPLG_CTL_VOLSW:
983 case SND_SOC_TPLG_CTL_STROBE:
984 case SND_SOC_TPLG_CTL_VOLSW_SX:
985 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
986 case SND_SOC_TPLG_CTL_RANGE:
987 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
988 case SND_SOC_TPLG_DAPM_CTL_PIN:
989 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
990 break;
991 case SND_SOC_TPLG_CTL_ENUM:
992 case SND_SOC_TPLG_CTL_ENUM_VALUE:
993 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
994 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
995 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
996 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
997 break;
998 case SND_SOC_TPLG_CTL_BYTES:
999 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1000 break;
1001 default:
1002 soc_bind_err(tplg, control_hdr, i);
1003 return -EINVAL;
1004 }
1005 }
1006
1007 return 0;
1008}
1009
1010static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1011 struct snd_soc_tplg_hdr *hdr)
1012{
1013 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1014 struct snd_soc_dapm_route route;
1015 struct snd_soc_tplg_dapm_graph_elem *elem;
1016 int count = hdr->count, i;
1017
1018 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1019 tplg->pos += hdr->size + hdr->payload_size;
1020 return 0;
1021 }
1022
1023 if (soc_tplg_check_elem_count(tplg,
1024 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1025 count, hdr->payload_size, "graph")) {
1026
1027 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1028 count);
1029 return -EINVAL;
1030 }
1031
1032 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes\n", count);
1033
1034 for (i = 0; i < count; i++) {
1035 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1036 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1037
1038 /* validate routes */
1039 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1040 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1041 return -EINVAL;
1042 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1043 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1044 return -EINVAL;
1045 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1046 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1047 return -EINVAL;
1048
1049 route.source = elem->source;
1050 route.sink = elem->sink;
1051 route.connected = NULL; /* set to NULL atm for tplg users */
1052 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1053 route.control = NULL;
1054 else
1055 route.control = elem->control;
1056
1057 /* add route, but keep going if some fail */
1058 snd_soc_dapm_add_routes(dapm, &route, 1);
1059 }
1060
1061 return 0;
1062}
1063
1064static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1065 struct soc_tplg *tplg, int num_kcontrols)
1066{
1067 struct snd_kcontrol_new *kc;
1068 struct soc_mixer_control *sm;
1069 struct snd_soc_tplg_mixer_control *mc;
1070 int i, err;
1071
1072 kc = kzalloc(sizeof(*kc) * num_kcontrols, GFP_KERNEL);
1073 if (kc == NULL)
1074 return NULL;
1075
1076 for (i = 0; i < num_kcontrols; i++) {
1077 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1078 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1079 if (sm == NULL)
1080 goto err;
1081
1082 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1083 mc->priv.size);
1084
1085 /* validate kcontrol */
1086 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1087 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1088 goto err_str;
1089
1090 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1091 mc->hdr.name, i);
1092
1093 kc[i].name = mc->hdr.name;
1094 kc[i].private_value = (long)sm;
1095 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1096 kc[i].access = mc->hdr.access;
1097
1098 /* we only support FL/FR channel mapping atm */
1099 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1100 SNDRV_CHMAP_FL);
1101 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1102 SNDRV_CHMAP_FR);
1103 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1104 SNDRV_CHMAP_FL);
1105 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1106 SNDRV_CHMAP_FR);
1107
1108 sm->max = mc->max;
1109 sm->min = mc->min;
1110 sm->invert = mc->invert;
1111 sm->platform_max = mc->platform_max;
1112 sm->dobj.index = tplg->index;
1113 INIT_LIST_HEAD(&sm->dobj.list);
1114
1115 /* map io handlers */
1116 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], io_ops,
1117 ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
1118 if (err) {
1119 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1120 kfree(sm);
1121 continue;
1122 }
1123
1124 /* pass control to driver for optional further init */
1125 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1126 (struct snd_soc_tplg_ctl_hdr *)mc);
1127 if (err < 0) {
1128 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1129 mc->hdr.name);
1130 kfree(sm);
1131 continue;
1132 }
1133 }
1134 return kc;
1135
1136err_str:
1137 kfree(sm);
1138err:
1139 for (--i; i >= 0; i--)
1140 kfree((void *)kc[i].private_value);
1141 kfree(kc);
1142 return NULL;
1143}
1144
1145static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1146 struct soc_tplg *tplg)
1147{
1148 struct snd_kcontrol_new *kc;
1149 struct snd_soc_tplg_enum_control *ec;
1150 struct soc_enum *se;
1151 int i, err;
1152
1153 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1154 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1155 ec->priv.size);
1156
1157 /* validate kcontrol */
1158 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1159 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1160 return NULL;
1161
1162 kc = kzalloc(sizeof(*kc), GFP_KERNEL);
1163 if (kc == NULL)
1164 return NULL;
1165
1166 se = kzalloc(sizeof(*se), GFP_KERNEL);
1167 if (se == NULL)
1168 goto err;
1169
1170 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1171 ec->hdr.name);
1172
1173 kc->name = ec->hdr.name;
1174 kc->private_value = (long)se;
1175 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1176 kc->access = ec->hdr.access;
1177
1178 /* we only support FL/FR channel mapping atm */
1179 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1180 se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL);
1181 se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FR);
1182
1183 se->items = ec->items;
1184 se->mask = ec->mask;
1185 se->dobj.index = tplg->index;
1186
1187 switch (ec->hdr.ops.info) {
1188 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1189 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1190 err = soc_tplg_denum_create_values(se, ec);
1191 if (err < 0) {
1192 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1193 ec->hdr.name);
1194 goto err_se;
1195 }
1196 /* fall through to create texts */
1197 case SND_SOC_TPLG_CTL_ENUM:
1198 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1199 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1200 err = soc_tplg_denum_create_texts(se, ec);
1201 if (err < 0) {
1202 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1203 ec->hdr.name);
1204 goto err_se;
1205 }
1206 break;
1207 default:
1208 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1209 ec->hdr.ops.info, ec->hdr.name);
1210 goto err_se;
1211 }
1212
1213 /* map io handlers */
1214 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, io_ops,
1215 ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count);
1216 if (err) {
1217 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1218 goto err_se;
1219 }
1220
1221 /* pass control to driver for optional further init */
1222 err = soc_tplg_init_kcontrol(tplg, kc,
1223 (struct snd_soc_tplg_ctl_hdr *)ec);
1224 if (err < 0) {
1225 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1226 ec->hdr.name);
1227 goto err_se;
1228 }
1229
1230 return kc;
1231
1232err_se:
1233 /* free values and texts */
1234 kfree(se->dobj.control.dvalues);
1235 for (i = 0; i < ec->items; i++)
1236 kfree(se->dobj.control.dtexts[i]);
1237
1238 kfree(se);
1239err:
1240 kfree(kc);
1241
1242 return NULL;
1243}
1244
1245static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1246 struct soc_tplg *tplg, int count)
1247{
1248 struct snd_soc_tplg_bytes_control *be;
1249 struct soc_bytes_ext *sbe;
1250 struct snd_kcontrol_new *kc;
1251 int i, err;
1252
1253 kc = kzalloc(sizeof(*kc) * count, GFP_KERNEL);
1254 if (!kc)
1255 return NULL;
1256
1257 for (i = 0; i < count; i++) {
1258 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1259
1260 /* validate kcontrol */
1261 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1262 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1263 goto err;
1264
1265 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1266 if (sbe == NULL)
1267 goto err;
1268
1269 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1270 be->priv.size);
1271
1272 dev_dbg(tplg->dev,
1273 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1274 be->hdr.name, be->hdr.access);
1275
1276 memset(kc, 0, sizeof(*kc));
1277 kc[i].name = be->hdr.name;
1278 kc[i].private_value = (long)sbe;
1279 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1280 kc[i].access = be->hdr.access;
1281
1282 sbe->max = be->max;
1283 INIT_LIST_HEAD(&sbe->dobj.list);
1284
1285 /* map standard io handlers and check for external handlers */
1286 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], io_ops,
1287 ARRAY_SIZE(io_ops), tplg->io_ops,
1288 tplg->io_ops_count);
1289 if (err) {
1290 soc_control_err(tplg, &be->hdr, be->hdr.name);
1291 kfree(sbe);
1292 continue;
1293 }
1294
1295 /* pass control to driver for optional further init */
1296 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1297 (struct snd_soc_tplg_ctl_hdr *)be);
1298 if (err < 0) {
1299 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1300 be->hdr.name);
1301 kfree(sbe);
1302 continue;
1303 }
1304 }
1305
1306 return kc;
1307
1308err:
1309 for (--i; i >= 0; i--)
1310 kfree((void *)kc[i].private_value);
1311
1312 kfree(kc);
1313 return NULL;
1314}
1315
1316static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1317 struct snd_soc_tplg_dapm_widget *w)
1318{
1319 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1320 struct snd_soc_dapm_widget template, *widget;
1321 struct snd_soc_tplg_ctl_hdr *control_hdr;
1322 struct snd_soc_card *card = tplg->comp->card;
1323 int ret = 0;
1324
1325 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1326 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1327 return -EINVAL;
1328 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1329 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1330 return -EINVAL;
1331
1332 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1333 w->name, w->id);
1334
1335 memset(&template, 0, sizeof(template));
1336
1337 /* map user to kernel widget ID */
1338 template.id = get_widget_id(w->id);
1339 if (template.id < 0)
1340 return template.id;
1341
1342 template.name = kstrdup(w->name, GFP_KERNEL);
1343 if (!template.name)
1344 return -ENOMEM;
1345 template.sname = kstrdup(w->sname, GFP_KERNEL);
1346 if (!template.sname) {
1347 ret = -ENOMEM;
1348 goto err;
1349 }
1350 template.reg = w->reg;
1351 template.shift = w->shift;
1352 template.mask = w->mask;
1353 template.on_val = w->invert ? 0 : 1;
1354 template.off_val = w->invert ? 1 : 0;
1355 template.ignore_suspend = w->ignore_suspend;
1356 template.event_flags = w->event_flags;
1357 template.dobj.index = tplg->index;
1358
1359 tplg->pos +=
1360 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1361 if (w->num_kcontrols == 0) {
1362 template.num_kcontrols = 0;
1363 goto widget;
1364 }
1365
1366 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1367 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1368 w->name, w->num_kcontrols, control_hdr->type);
1369
1370 switch (control_hdr->ops.info) {
1371 case SND_SOC_TPLG_CTL_VOLSW:
1372 case SND_SOC_TPLG_CTL_STROBE:
1373 case SND_SOC_TPLG_CTL_VOLSW_SX:
1374 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1375 case SND_SOC_TPLG_CTL_RANGE:
1376 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1377 template.num_kcontrols = w->num_kcontrols;
1378 template.kcontrol_news =
1379 soc_tplg_dapm_widget_dmixer_create(tplg,
1380 template.num_kcontrols);
1381 if (!template.kcontrol_news) {
1382 ret = -ENOMEM;
1383 goto hdr_err;
1384 }
1385 break;
1386 case SND_SOC_TPLG_CTL_ENUM:
1387 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1388 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1389 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1390 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1391 template.dobj.widget.kcontrol_enum = 1;
1392 template.num_kcontrols = 1;
1393 template.kcontrol_news =
1394 soc_tplg_dapm_widget_denum_create(tplg);
1395 if (!template.kcontrol_news) {
1396 ret = -ENOMEM;
1397 goto hdr_err;
1398 }
1399 break;
1400 case SND_SOC_TPLG_CTL_BYTES:
1401 template.num_kcontrols = w->num_kcontrols;
1402 template.kcontrol_news =
1403 soc_tplg_dapm_widget_dbytes_create(tplg,
1404 template.num_kcontrols);
1405 if (!template.kcontrol_news) {
1406 ret = -ENOMEM;
1407 goto hdr_err;
1408 }
1409 break;
1410 default:
1411 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1412 control_hdr->ops.get, control_hdr->ops.put,
1413 control_hdr->ops.info);
1414 ret = -EINVAL;
1415 goto hdr_err;
1416 }
1417
1418widget:
1419 ret = soc_tplg_widget_load(tplg, &template, w);
1420 if (ret < 0)
1421 goto hdr_err;
1422
1423 /* card dapm mutex is held by the core if we are loading topology
1424 * data during sound card init. */
1425 if (card->instantiated)
1426 widget = snd_soc_dapm_new_control(dapm, &template);
1427 else
1428 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
1429 if (widget == NULL) {
1430 dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n",
1431 w->name);
1432 goto hdr_err;
1433 }
1434
1435 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
1436 widget->dobj.ops = tplg->ops;
1437 widget->dobj.index = tplg->index;
1438 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
1439 return 0;
1440
1441hdr_err:
1442 kfree(template.sname);
1443err:
1444 kfree(template.name);
1445 return ret;
1446}
1447
1448static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1449 struct snd_soc_tplg_hdr *hdr)
1450{
1451 struct snd_soc_tplg_dapm_widget *widget;
1452 int ret, count = hdr->count, i;
1453
1454 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1455 return 0;
1456
1457 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1458
1459 for (i = 0; i < count; i++) {
1460 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1461 ret = soc_tplg_dapm_widget_create(tplg, widget);
1462 if (ret < 0)
1463 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1464 widget->name);
1465 }
1466
1467 return 0;
1468}
1469
1470static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1471{
1472 struct snd_soc_card *card = tplg->comp->card;
1473 int ret;
1474
1475 /* Card might not have been registered at this point.
1476 * If so, just return success.
1477 */
1478 if (!card || !card->instantiated) {
1479 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
1480 "Do not add new widgets now\n");
1481 return 0;
1482 }
1483
1484 ret = snd_soc_dapm_new_widgets(card);
1485 if (ret < 0)
1486 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1487 ret);
1488
1489 return 0;
1490}
1491
1492static int soc_tplg_pcm_dai_elems_load(struct soc_tplg *tplg,
1493 struct snd_soc_tplg_hdr *hdr)
1494{
1495 struct snd_soc_tplg_pcm_dai *pcm_dai;
1496 struct snd_soc_dobj *dobj;
1497 int count = hdr->count;
1498 int ret;
1499
1500 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1501 return 0;
1502
1503 pcm_dai = (struct snd_soc_tplg_pcm_dai *)tplg->pos;
1504
1505 if (soc_tplg_check_elem_count(tplg,
1506 sizeof(struct snd_soc_tplg_pcm_dai), count,
1507 hdr->payload_size, "PCM DAI")) {
1508 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1509 count);
1510 return -EINVAL;
1511 }
1512
1513 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
1514 tplg->pos += sizeof(struct snd_soc_tplg_pcm_dai) * count;
1515
1516 dobj = kzalloc(sizeof(struct snd_soc_dobj), GFP_KERNEL);
1517 if (dobj == NULL)
1518 return -ENOMEM;
1519
1520 /* Call the platform driver call back to register the dais */
1521 ret = soc_tplg_pcm_dai_load(tplg, pcm_dai, count);
1522 if (ret < 0) {
1523 dev_err(tplg->comp->dev, "ASoC: PCM DAI loading failed\n");
1524 goto err;
1525 }
1526
1527 dobj->type = get_dobj_type(hdr, NULL);
1528 dobj->pcm_dai.count = count;
1529 dobj->pcm_dai.pd = pcm_dai;
1530 dobj->ops = tplg->ops;
1531 dobj->index = tplg->index;
1532 list_add(&dobj->list, &tplg->comp->dobj_list);
1533 return 0;
1534
1535err:
1536 kfree(dobj);
1537 return ret;
1538}
1539
1540static int soc_tplg_manifest_load(struct soc_tplg *tplg,
1541 struct snd_soc_tplg_hdr *hdr)
1542{
1543 struct snd_soc_tplg_manifest *manifest;
1544
1545 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
1546 return 0;
1547
1548 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
1549 tplg->pos += sizeof(struct snd_soc_tplg_manifest);
1550
1551 if (tplg->comp && tplg->ops && tplg->ops->manifest)
1552 return tplg->ops->manifest(tplg->comp, manifest);
1553
1554 dev_err(tplg->dev, "ASoC: Firmware manifest not supported\n");
1555 return 0;
1556}
1557
1558/* validate header magic, size and type */
1559static int soc_valid_header(struct soc_tplg *tplg,
1560 struct snd_soc_tplg_hdr *hdr)
1561{
1562 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
1563 return 0;
1564
1565 /* big endian firmware objects not supported atm */
1566 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
1567 dev_err(tplg->dev,
1568 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
1569 tplg->pass, hdr->magic,
1570 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
1571 return -EINVAL;
1572 }
1573
1574 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
1575 dev_err(tplg->dev,
1576 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
1577 tplg->pass, hdr->magic,
1578 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
1579 return -EINVAL;
1580 }
1581
1582 if (hdr->abi != SND_SOC_TPLG_ABI_VERSION) {
1583 dev_err(tplg->dev,
1584 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
1585 tplg->pass, hdr->abi,
1586 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
1587 tplg->fw->size);
1588 return -EINVAL;
1589 }
1590
1591 if (hdr->payload_size == 0) {
1592 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
1593 soc_tplg_get_hdr_offset(tplg));
1594 return -EINVAL;
1595 }
1596
1597 if (tplg->pass == hdr->type)
1598 dev_dbg(tplg->dev,
1599 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
1600 hdr->payload_size, hdr->type, hdr->version,
1601 hdr->vendor_type, tplg->pass);
1602
1603 return 1;
1604}
1605
1606/* check header type and call appropriate handler */
1607static int soc_tplg_load_header(struct soc_tplg *tplg,
1608 struct snd_soc_tplg_hdr *hdr)
1609{
1610 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
1611
1612 /* check for matching ID */
1613 if (hdr->index != tplg->req_index &&
1614 hdr->index != SND_SOC_TPLG_INDEX_ALL)
1615 return 0;
1616
1617 tplg->index = hdr->index;
1618
1619 switch (hdr->type) {
1620 case SND_SOC_TPLG_TYPE_MIXER:
1621 case SND_SOC_TPLG_TYPE_ENUM:
1622 case SND_SOC_TPLG_TYPE_BYTES:
1623 return soc_tplg_kcontrol_elems_load(tplg, hdr);
1624 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
1625 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
1626 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
1627 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
1628 case SND_SOC_TPLG_TYPE_PCM:
1629 case SND_SOC_TPLG_TYPE_DAI_LINK:
1630 case SND_SOC_TPLG_TYPE_CODEC_LINK:
1631 return soc_tplg_pcm_dai_elems_load(tplg, hdr);
1632 case SND_SOC_TPLG_TYPE_MANIFEST:
1633 return soc_tplg_manifest_load(tplg, hdr);
1634 default:
1635 /* bespoke vendor data object */
1636 return soc_tplg_vendor_load(tplg, hdr);
1637 }
1638
1639 return 0;
1640}
1641
1642/* process the topology file headers */
1643static int soc_tplg_process_headers(struct soc_tplg *tplg)
1644{
1645 struct snd_soc_tplg_hdr *hdr;
1646 int ret;
1647
1648 tplg->pass = SOC_TPLG_PASS_START;
1649
1650 /* process the header types from start to end */
1651 while (tplg->pass <= SOC_TPLG_PASS_END) {
1652
1653 tplg->hdr_pos = tplg->fw->data;
1654 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
1655
1656 while (!soc_tplg_is_eof(tplg)) {
1657
1658 /* make sure header is valid before loading */
1659 ret = soc_valid_header(tplg, hdr);
1660 if (ret < 0)
1661 return ret;
1662 else if (ret == 0)
1663 break;
1664
1665 /* load the header object */
1666 ret = soc_tplg_load_header(tplg, hdr);
1667 if (ret < 0)
1668 return ret;
1669
1670 /* goto next header */
1671 tplg->hdr_pos += hdr->payload_size +
1672 sizeof(struct snd_soc_tplg_hdr);
1673 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
1674 }
1675
1676 /* next data type pass */
1677 tplg->pass++;
1678 }
1679
1680 /* signal DAPM we are complete */
1681 ret = soc_tplg_dapm_complete(tplg);
1682 if (ret < 0)
1683 dev_err(tplg->dev,
1684 "ASoC: failed to initialise DAPM from Firmware\n");
1685
1686 return ret;
1687}
1688
1689static int soc_tplg_load(struct soc_tplg *tplg)
1690{
1691 int ret;
1692
1693 ret = soc_tplg_process_headers(tplg);
1694 if (ret == 0)
1695 soc_tplg_complete(tplg);
1696
1697 return ret;
1698}
1699
1700/* load audio component topology from "firmware" file */
1701int snd_soc_tplg_component_load(struct snd_soc_component *comp,
1702 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
1703{
1704 struct soc_tplg tplg;
1705
1706 /* setup parsing context */
1707 memset(&tplg, 0, sizeof(tplg));
1708 tplg.fw = fw;
1709 tplg.dev = comp->dev;
1710 tplg.comp = comp;
1711 tplg.ops = ops;
1712 tplg.req_index = id;
1713 tplg.io_ops = ops->io_ops;
1714 tplg.io_ops_count = ops->io_ops_count;
1715
1716 return soc_tplg_load(&tplg);
1717}
1718EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
1719
1720/* remove this dynamic widget */
1721void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
1722{
1723 /* make sure we are a widget */
1724 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
1725 return;
1726
1727 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
1728}
1729EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
1730
1731/* remove all dynamic widgets from this DAPM context */
1732void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
1733 u32 index)
1734{
1735 struct snd_soc_dapm_widget *w, *next_w;
1736 struct snd_soc_dapm_path *p, *next_p;
1737
1738 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
1739
1740 /* make sure we are a widget with correct context */
1741 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
1742 continue;
1743
1744 /* match ID */
1745 if (w->dobj.index != index &&
1746 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
1747 continue;
1748
1749 list_del(&w->list);
1750
1751 /*
1752 * remove source and sink paths associated to this widget.
1753 * While removing the path, remove reference to it from both
1754 * source and sink widgets so that path is removed only once.
1755 */
1756 list_for_each_entry_safe(p, next_p, &w->sources, list_sink) {
1757 list_del(&p->list_sink);
1758 list_del(&p->list_source);
1759 list_del(&p->list);
1760 kfree(p);
1761 }
1762 list_for_each_entry_safe(p, next_p, &w->sinks, list_source) {
1763 list_del(&p->list_sink);
1764 list_del(&p->list_source);
1765 list_del(&p->list);
1766 kfree(p);
1767 }
1768 /* check and free and dynamic widget kcontrols */
1769 snd_soc_tplg_widget_remove(w);
1770 kfree(w->kcontrols);
1771 kfree(w->name);
1772 kfree(w);
1773 }
1774}
1775EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
1776
1777/* remove dynamic controls from the component driver */
1778int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
1779{
1780 struct snd_soc_dobj *dobj, *next_dobj;
1781 int pass = SOC_TPLG_PASS_END;
1782
1783 /* process the header types from end to start */
1784 while (pass >= SOC_TPLG_PASS_START) {
1785
1786 /* remove mixer controls */
1787 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
1788 list) {
1789
1790 /* match index */
1791 if (dobj->index != index &&
1792 dobj->index != SND_SOC_TPLG_INDEX_ALL)
1793 continue;
1794
1795 switch (dobj->type) {
1796 case SND_SOC_DOBJ_MIXER:
1797 remove_mixer(comp, dobj, pass);
1798 break;
1799 case SND_SOC_DOBJ_ENUM:
1800 remove_enum(comp, dobj, pass);
1801 break;
1802 case SND_SOC_DOBJ_BYTES:
1803 remove_bytes(comp, dobj, pass);
1804 break;
1805 case SND_SOC_DOBJ_WIDGET:
1806 remove_widget(comp, dobj, pass);
1807 break;
1808 case SND_SOC_DOBJ_PCM:
1809 case SND_SOC_DOBJ_DAI_LINK:
1810 case SND_SOC_DOBJ_CODEC_LINK:
1811 remove_pcm_dai(comp, dobj, pass);
1812 break;
1813 default:
1814 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
1815 dobj->type);
1816 break;
1817 }
1818 }
1819 pass--;
1820 }
1821
1822 /* let caller know if FW can be freed when no objects are left */
1823 return !list_empty(&comp->dobj_list);
1824}
1825EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux kernel - Deliverables
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