projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
ASoC: samsung: i2s: Fix prescaler setting for the secondary DAI
[linux-2.6-block.git] / sound / soc / soc-topology.c
CommitLineData
f2b6a1b2
KM		 1// SPDX-License-Identifier: GPL-2.0+
2//
3// soc-topology.c -- ALSA SoC Topology
4//
5// Copyright (C) 2012 Texas Instruments Inc.
6// Copyright (C) 2015 Intel Corporation.
7//
8// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9// K, Mythri P <mythri.p.k@intel.com>
10// Prusty, Subhransu S <subhransu.s.prusty@intel.com>
11// B, Jayachandran <jayachandran.b@intel.com>
12// Abdullah, Omair M <omair.m.abdullah@intel.com>
13// Jin, Yao <yao.jin@intel.com>
14// Lin, Mengdong <mengdong.lin@intel.com>
15//
16// Add support to read audio firmware topology alongside firmware text. The
17// topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
18// equalizers, firmware, coefficients etc.
19//
20// This file only manages the core ALSA and ASoC components, all other bespoke
21// firmware topology data is passed to component drivers for bespoke handling.
8a978234
LG		 22
23#include <linux/kernel.h>
24#include <linux/export.h>
25#include <linux/list.h>
26#include <linux/firmware.h>
27#include <linux/slab.h>
28#include <sound/soc.h>
29#include <sound/soc-dapm.h>
30#include <sound/soc-topology.h>
28a87eeb 31#include <sound/tlv.h>
8a978234
LG		 32
33/*
34 * We make several passes over the data (since it wont necessarily be ordered)
35 * and process objects in the following order. This guarantees the component
36 * drivers will be ready with any vendor data before the mixers and DAPM objects
37 * are loaded (that may make use of the vendor data).
38 */
39#define SOC_TPLG_PASS_MANIFEST 0
40#define SOC_TPLG_PASS_VENDOR 1
41#define SOC_TPLG_PASS_MIXER 2
42#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 43#define SOC_TPLG_PASS_PCM_DAI 4
44#define SOC_TPLG_PASS_GRAPH 5
45#define SOC_TPLG_PASS_PINS 6
0038be9a 46#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 47#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 48
49#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 50#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 51
583958fa 52/* topology context */
8a978234
LG		 53struct soc_tplg {
54 const struct firmware *fw;
55
56 /* runtime FW parsing */
57 const u8 *pos; /* read postion */
58 const u8 *hdr_pos; /* header position */
59 unsigned int pass; /* pass number */
60
61 /* component caller */
62 struct device *dev;
63 struct snd_soc_component *comp;
64 u32 index; /* current block index */
65 u32 req_index; /* required index, only loaded/free matching blocks */
66
88a17d8f 67 /* vendor specific kcontrol operations */
8a978234
LG		 68 const struct snd_soc_tplg_kcontrol_ops *io_ops;
69 int io_ops_count;
70
1a3232d2
ML		 71 /* vendor specific bytes ext handlers, for TLV bytes controls */
72 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
73 int bytes_ext_ops_count;
74
8a978234
LG		 75 /* optional fw loading callbacks to component drivers */
76 struct snd_soc_tplg_ops *ops;
77};
78
79static int soc_tplg_process_headers(struct soc_tplg *tplg);
80static void soc_tplg_complete(struct soc_tplg *tplg);
81struct snd_soc_dapm_widget *
82snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
83 const struct snd_soc_dapm_widget *widget);
84struct snd_soc_dapm_widget *
85snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
86 const struct snd_soc_dapm_widget *widget);
87
88/* check we dont overflow the data for this control chunk */
89static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
90 unsigned int count, size_t bytes, const char *elem_type)
91{
92 const u8 *end = tplg->pos + elem_size * count;
93
94 if (end > tplg->fw->data + tplg->fw->size) {
95 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
96 elem_type);
97 return -EINVAL;
98 }
99
100 /* check there is enough room in chunk for control.
101 extra bytes at the end of control are for vendor data here */
102 if (elem_size * count > bytes) {
103 dev_err(tplg->dev,
104 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
105 elem_type, count, elem_size, bytes);
106 return -EINVAL;
107 }
108
109 return 0;
110}
111
112static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
113{
114 const u8 *end = tplg->hdr_pos;
115
116 if (end >= tplg->fw->data + tplg->fw->size)
117 return 1;
118 return 0;
119}
120
121static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
122{
123 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
124}
125
126static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
127{
128 return (unsigned long)(tplg->pos - tplg->fw->data);
129}
130
131/* mapping of Kcontrol types and associated operations. */
132static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
133 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
134 snd_soc_put_volsw, snd_soc_info_volsw},
135 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
136 snd_soc_put_volsw_sx, NULL},
137 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, snd_soc_info_enum_double},
139 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
140 snd_soc_put_enum_double, NULL},
141 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
142 snd_soc_bytes_put, snd_soc_bytes_info},
143 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
144 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
145 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
146 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
147 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
148 snd_soc_put_strobe, NULL},
149 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 150 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 151 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
156 snd_soc_dapm_put_enum_double, NULL},
157 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
158 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
159};
160
161struct soc_tplg_map {
162 int uid;
163 int kid;
164};
165
166/* mapping of widget types from UAPI IDs to kernel IDs */
167static const struct soc_tplg_map dapm_map[] = {
168 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
169 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
170 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
171 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
172 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
173 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
174 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
175 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
176 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
177 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
178 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
179 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
180 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
181 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
182 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
183 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 184 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
185 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
186 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
187 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
188 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
189 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
190 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
191 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 192};
193
194static int tplc_chan_get_reg(struct soc_tplg *tplg,
195 struct snd_soc_tplg_channel *chan, int map)
196{
197 int i;
198
199 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
200 if (chan[i].id == map)
201 return chan[i].reg;
202 }
203
204 return -EINVAL;
205}
206
207static int tplc_chan_get_shift(struct soc_tplg *tplg,
208 struct snd_soc_tplg_channel *chan, int map)
209{
210 int i;
211
212 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
213 if (chan[i].id == map)
214 return chan[i].shift;
215 }
216
217 return -EINVAL;
218}
219
220static int get_widget_id(int tplg_type)
221{
222 int i;
223
224 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
225 if (tplg_type == dapm_map[i].uid)
226 return dapm_map[i].kid;
227 }
228
229 return -EINVAL;
230}
231
8a978234
LG		 232static inline void soc_bind_err(struct soc_tplg *tplg,
233 struct snd_soc_tplg_ctl_hdr *hdr, int index)
234{
235 dev_err(tplg->dev,
236 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
237 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
238 soc_tplg_get_offset(tplg));
239}
240
241static inline void soc_control_err(struct soc_tplg *tplg,
242 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
243{
244 dev_err(tplg->dev,
245 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
246 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
247 soc_tplg_get_offset(tplg));
248}
249
250/* pass vendor data to component driver for processing */
251static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
252 struct snd_soc_tplg_hdr *hdr)
253{
254 int ret = 0;
255
256 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
c60b613a 257 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 258 else {
259 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
260 hdr->vendor_type);
261 return -EINVAL;
262 }
263
264 if (ret < 0)
265 dev_err(tplg->dev,
266 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
267 soc_tplg_get_hdr_offset(tplg),
268 soc_tplg_get_hdr_offset(tplg),
269 hdr->type, hdr->vendor_type);
270 return ret;
271}
272
273/* pass vendor data to component driver for processing */
274static int soc_tplg_vendor_load(struct soc_tplg *tplg,
275 struct snd_soc_tplg_hdr *hdr)
276{
277 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
278 return 0;
279
280 return soc_tplg_vendor_load_(tplg, hdr);
281}
282
283/* optionally pass new dynamic widget to component driver. This is mainly for
284 * external widgets where we can assign private data/ops */
285static int soc_tplg_widget_load(struct soc_tplg *tplg,
286 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
287{
288 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 289 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
290 tplg_w);
8a978234
LG		 291
292 return 0;
293}
294
ebd259d3
LG		 295/* optionally pass new dynamic widget to component driver. This is mainly for
296 * external widgets where we can assign private data/ops */
297static int soc_tplg_widget_ready(struct soc_tplg *tplg,
298 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
299{
300 if (tplg->comp && tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 301 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
302 tplg_w);
ebd259d3
LG		 303
304 return 0;
305}
306
183b8021 307/* pass DAI configurations to component driver for extra initialization */
64527e8a 308static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 309 struct snd_soc_dai_driver *dai_drv,
310 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 311{
64527e8a 312 if (tplg->comp && tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 313 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
314 pcm, dai);
8a978234
LG		 315
316 return 0;
317}
318
183b8021 319/* pass link configurations to component driver for extra initialization */
acfc7d46 320static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 321 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46
ML		 322{
323 if (tplg->comp && tplg->ops && tplg->ops->link_load)
c60b613a 324 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 325
326 return 0;
327}
328
8a978234
LG		 329/* tell the component driver that all firmware has been loaded in this request */
330static void soc_tplg_complete(struct soc_tplg *tplg)
331{
332 if (tplg->comp && tplg->ops && tplg->ops->complete)
333 tplg->ops->complete(tplg->comp);
334}
335
336/* add a dynamic kcontrol */
337static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
338 const struct snd_kcontrol_new *control_new, const char *prefix,
339 void *data, struct snd_kcontrol **kcontrol)
340{
341 int err;
342
343 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
344 if (*kcontrol == NULL) {
345 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
346 control_new->name);
347 return -ENOMEM;
348 }
349
350 err = snd_ctl_add(card, *kcontrol);
351 if (err < 0) {
352 dev_err(dev, "ASoC: Failed to add %s: %d\n",
353 control_new->name, err);
354 return err;
355 }
356
357 return 0;
358}
359
360/* add a dynamic kcontrol for component driver */
361static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
362 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
363{
364 struct snd_soc_component *comp = tplg->comp;
365
366 return soc_tplg_add_dcontrol(comp->card->snd_card,
367 comp->dev, k, NULL, comp, kcontrol);
368}
369
370/* remove a mixer kcontrol */
371static void remove_mixer(struct snd_soc_component *comp,
372 struct snd_soc_dobj *dobj, int pass)
373{
374 struct snd_card *card = comp->card->snd_card;
375 struct soc_mixer_control *sm =
376 container_of(dobj, struct soc_mixer_control, dobj);
377 const unsigned int *p = NULL;
378
379 if (pass != SOC_TPLG_PASS_MIXER)
380 return;
381
382 if (dobj->ops && dobj->ops->control_unload)
383 dobj->ops->control_unload(comp, dobj);
384
385 if (sm->dobj.control.kcontrol->tlv.p)
386 p = sm->dobj.control.kcontrol->tlv.p;
387 snd_ctl_remove(card, sm->dobj.control.kcontrol);
388 list_del(&sm->dobj.list);
389 kfree(sm);
390 kfree(p);
391}
392
393/* remove an enum kcontrol */
394static void remove_enum(struct snd_soc_component *comp,
395 struct snd_soc_dobj *dobj, int pass)
396{
397 struct snd_card *card = comp->card->snd_card;
398 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
399 int i;
400
401 if (pass != SOC_TPLG_PASS_MIXER)
402 return;
403
404 if (dobj->ops && dobj->ops->control_unload)
405 dobj->ops->control_unload(comp, dobj);
406
407 snd_ctl_remove(card, se->dobj.control.kcontrol);
408 list_del(&se->dobj.list);
409
410 kfree(se->dobj.control.dvalues);
411 for (i = 0; i < se->items; i++)
412 kfree(se->dobj.control.dtexts[i]);
413 kfree(se);
414}
415
416/* remove a byte kcontrol */
417static void remove_bytes(struct snd_soc_component *comp,
418 struct snd_soc_dobj *dobj, int pass)
419{
420 struct snd_card *card = comp->card->snd_card;
421 struct soc_bytes_ext *sb =
422 container_of(dobj, struct soc_bytes_ext, dobj);
423
424 if (pass != SOC_TPLG_PASS_MIXER)
425 return;
426
427 if (dobj->ops && dobj->ops->control_unload)
428 dobj->ops->control_unload(comp, dobj);
429
430 snd_ctl_remove(card, sb->dobj.control.kcontrol);
431 list_del(&sb->dobj.list);
432 kfree(sb);
433}
434
435/* remove a widget and it's kcontrols - routes must be removed first */
436static void remove_widget(struct snd_soc_component *comp,
437 struct snd_soc_dobj *dobj, int pass)
438{
439 struct snd_card *card = comp->card->snd_card;
440 struct snd_soc_dapm_widget *w =
441 container_of(dobj, struct snd_soc_dapm_widget, dobj);
442 int i;
443
444 if (pass != SOC_TPLG_PASS_WIDGET)
445 return;
446
447 if (dobj->ops && dobj->ops->widget_unload)
448 dobj->ops->widget_unload(comp, dobj);
449
05bdcf12
LG		 450 if (!w->kcontrols)
451 goto free_news;
452
8a978234 453 /*
1a7dd6e2 454 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
8a978234
LG		 455 * The enum may either have an array of values or strings.
456 */
eea3dd4f 457 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
8a978234 458 /* enumerated widget mixer */
f53c4c20 459 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
1a7dd6e2
ML		 460 struct snd_kcontrol *kcontrol = w->kcontrols[i];
461 struct soc_enum *se =
462 (struct soc_enum *)kcontrol->private_value;
d7766aa5 463 int j;
8a978234 464
1a7dd6e2 465 snd_ctl_remove(card, kcontrol);
8a978234 466
1a7dd6e2 467 kfree(se->dobj.control.dvalues);
d7766aa5
CIK		 468 for (j = 0; j < se->items; j++)
469 kfree(se->dobj.control.dtexts[j]);
8a978234 470
1a7dd6e2 471 kfree(se);
267e2c6f 472 kfree(w->kcontrol_news[i].name);
1a7dd6e2 473 }
8a978234 474 } else {
eea3dd4f 475 /* volume mixer or bytes controls */
f53c4c20 476 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
8a978234 477 struct snd_kcontrol *kcontrol = w->kcontrols[i];
8a978234 478
eea3dd4f
ML		 479 if (dobj->widget.kcontrol_type
480 == SND_SOC_TPLG_TYPE_MIXER)
481 kfree(kcontrol->tlv.p);
8a978234 482
eea3dd4f
ML		 483 /* Private value is used as struct soc_mixer_control
484 * for volume mixers or soc_bytes_ext for bytes
485 * controls.
486 */
487 kfree((void *)kcontrol->private_value);
c2b36129 488 snd_ctl_remove(card, kcontrol);
267e2c6f 489 kfree(w->kcontrol_news[i].name);
8a978234 490 }
8a978234 491 }
05bdcf12
LG		 492
493free_news:
494 kfree(w->kcontrol_news);
495
8a978234
LG		 496 /* widget w is freed by soc-dapm.c */
497}
498
64527e8a
ML		 499/* remove DAI configurations */
500static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 501 struct snd_soc_dobj *dobj, int pass)
502{
64527e8a
ML		 503 struct snd_soc_dai_driver *dai_drv =
504 container_of(dobj, struct snd_soc_dai_driver, dobj);
52abe6cc 505 struct snd_soc_dai *dai;
64527e8a 506
8a978234
LG		 507 if (pass != SOC_TPLG_PASS_PCM_DAI)
508 return;
509
64527e8a
ML		 510 if (dobj->ops && dobj->ops->dai_unload)
511 dobj->ops->dai_unload(comp, dobj);
8a978234 512
52abe6cc
GL		 513 list_for_each_entry(dai, &comp->dai_list, list)
514 if (dai->driver == dai_drv)
515 dai->driver = NULL;
516
8f27c4ab 517 kfree(dai_drv->name);
8a978234 518 list_del(&dobj->list);
64527e8a 519 kfree(dai_drv);
8a978234
LG		 520}
521
acfc7d46
ML		 522/* remove link configurations */
523static void remove_link(struct snd_soc_component *comp,
524 struct snd_soc_dobj *dobj, int pass)
525{
526 struct snd_soc_dai_link *link =
527 container_of(dobj, struct snd_soc_dai_link, dobj);
528
529 if (pass != SOC_TPLG_PASS_PCM_DAI)
530 return;
531
532 if (dobj->ops && dobj->ops->link_unload)
533 dobj->ops->link_unload(comp, dobj);
534
8f27c4ab
ML		 535 kfree(link->name);
536 kfree(link->stream_name);
537 kfree(link->cpu_dai_name);
538
acfc7d46
ML		 539 list_del(&dobj->list);
540 snd_soc_remove_dai_link(comp->card, link);
541 kfree(link);
542}
543
8a978234
LG		 544/* bind a kcontrol to it's IO handlers */
545static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
546 struct snd_kcontrol_new *k,
2b5cdb91 547 const struct soc_tplg *tplg)
8a978234 548{
2b5cdb91 549 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 550 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 551 int num_ops, i;
8a978234 552
1a3232d2
ML		 553 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
554 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
555 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
556 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
557 struct soc_bytes_ext *sbe;
558 struct snd_soc_tplg_bytes_control *be;
559
560 sbe = (struct soc_bytes_ext *)k->private_value;
561 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
562
563 /* TLV bytes controls need standard kcontrol info handler,
564 * TLV callback and extended put/get handlers.
565 */
f4be978b 566 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 567 k->tlv.c = snd_soc_bytes_tlv_callback;
568
569 ext_ops = tplg->bytes_ext_ops;
570 num_ops = tplg->bytes_ext_ops_count;
571 for (i = 0; i < num_ops; i++) {
572 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
573 sbe->put = ext_ops[i].put;
574 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
575 sbe->get = ext_ops[i].get;
576 }
577
578 if (sbe->put && sbe->get)
579 return 0;
580 else
581 return -EINVAL;
582 }
8a978234 583
88a17d8f 584 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 585 ops = tplg->io_ops;
586 num_ops = tplg->io_ops_count;
8a978234
LG		 587 for (i = 0; i < num_ops; i++) {
588
2b5cdb91 589 if (k->put == NULL && ops[i].id == hdr->ops.put)
8a978234 590 k->put = ops[i].put;
2b5cdb91 591 if (k->get == NULL && ops[i].id == hdr->ops.get)
8a978234 592 k->get = ops[i].get;
2b5cdb91 593 if (k->info == NULL && ops[i].id == hdr->ops.info)
8a978234
LG		 594 k->info = ops[i].info;
595 }
596
88a17d8f 597 /* vendor specific handlers found ? */
8a978234
LG		 598 if (k->put && k->get && k->info)
599 return 0;
600
88a17d8f 601 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 602 ops = io_ops;
603 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 604 for (i = 0; i < num_ops; i++) {
8a978234 605
88a17d8f
ML		 606 if (k->put == NULL && ops[i].id == hdr->ops.put)
607 k->put = ops[i].put;
608 if (k->get == NULL && ops[i].id == hdr->ops.get)
609 k->get = ops[i].get;
8a978234 610 if (k->info == NULL && ops[i].id == hdr->ops.info)
88a17d8f 611 k->info = ops[i].info;
8a978234
LG		 612 }
613
88a17d8f 614 /* standard handlers found ? */
8a978234
LG		 615 if (k->put && k->get && k->info)
616 return 0;
617
618 /* nothing to bind */
619 return -EINVAL;
620}
621
622/* bind a widgets to it's evnt handlers */
623int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
624 const struct snd_soc_tplg_widget_events *events,
625 int num_events, u16 event_type)
626{
627 int i;
628
629 w->event = NULL;
630
631 for (i = 0; i < num_events; i++) {
632 if (event_type == events[i].type) {
633
634 /* found - so assign event */
635 w->event = events[i].event_handler;
636 return 0;
637 }
638 }
639
640 /* not found */
641 return -EINVAL;
642}
643EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
644
645/* optionally pass new dynamic kcontrol to component driver. */
646static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
647 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
648{
649 if (tplg->comp && tplg->ops && tplg->ops->control_load)
c60b613a
LG		 650 return tplg->ops->control_load(tplg->comp, tplg->index, k,
651 hdr);
8a978234
LG		 652
653 return 0;
654}
655
8a978234 656
28a87eeb
ML		 657static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
658 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
659{
660 unsigned int item_len = 2 * sizeof(unsigned int);
661 unsigned int *p;
8a978234 662
28a87eeb
ML		 663 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
664 if (!p)
8a978234
LG		 665 return -ENOMEM;
666
28a87eeb
ML		 667 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
668 p[1] = item_len;
669 p[2] = scale->min;
670 p[3] = (scale->step & TLV_DB_SCALE_MASK)
671 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
672
673 kc->tlv.p = (void *)p;
674 return 0;
675}
676
677static int soc_tplg_create_tlv(struct soc_tplg *tplg,
678 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
679{
680 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
681
682 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
683 return 0;
8a978234 684
1a3232d2 685 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb
ML		 686 tplg_tlv = &tc->tlv;
687 switch (tplg_tlv->type) {
688 case SNDRV_CTL_TLVT_DB_SCALE:
689 return soc_tplg_create_tlv_db_scale(tplg, kc,
690 &tplg_tlv->scale);
691
692 /* TODO: add support for other TLV types */
693 default:
694 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
695 tplg_tlv->type);
696 return -EINVAL;
697 }
698 }
8a978234
LG		 699
700 return 0;
701}
702
703static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
704 struct snd_kcontrol_new *kc)
705{
706 kfree(kc->tlv.p);
707}
708
709static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
710 size_t size)
711{
712 struct snd_soc_tplg_bytes_control *be;
713 struct soc_bytes_ext *sbe;
714 struct snd_kcontrol_new kc;
715 int i, err;
716
717 if (soc_tplg_check_elem_count(tplg,
718 sizeof(struct snd_soc_tplg_bytes_control), count,
719 size, "mixer bytes")) {
720 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
721 count);
722 return -EINVAL;
723 }
724
725 for (i = 0; i < count; i++) {
726 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
727
728 /* validate kcontrol */
729 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
730 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
731 return -EINVAL;
732
733 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
734 if (sbe == NULL)
735 return -ENOMEM;
736
737 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
738 be->priv.size);
739
740 dev_dbg(tplg->dev,
741 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
742 be->hdr.name, be->hdr.access);
743
744 memset(&kc, 0, sizeof(kc));
745 kc.name = be->hdr.name;
746 kc.private_value = (long)sbe;
747 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
748 kc.access = be->hdr.access;
749
750 sbe->max = be->max;
751 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
752 sbe->dobj.ops = tplg->ops;
753 INIT_LIST_HEAD(&sbe->dobj.list);
754
755 /* map io handlers */
2b5cdb91 756 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 757 if (err) {
758 soc_control_err(tplg, &be->hdr, be->hdr.name);
759 kfree(sbe);
760 continue;
761 }
762
763 /* pass control to driver for optional further init */
764 err = soc_tplg_init_kcontrol(tplg, &kc,
765 (struct snd_soc_tplg_ctl_hdr *)be);
766 if (err < 0) {
767 dev_err(tplg->dev, "ASoC: failed to init %s\n",
768 be->hdr.name);
769 kfree(sbe);
770 continue;
771 }
772
773 /* register control here */
774 err = soc_tplg_add_kcontrol(tplg, &kc,
775 &sbe->dobj.control.kcontrol);
776 if (err < 0) {
777 dev_err(tplg->dev, "ASoC: failed to add %s\n",
778 be->hdr.name);
779 kfree(sbe);
780 continue;
781 }
782
783 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
784 }
785 return 0;
786
787}
788
789static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
790 size_t size)
791{
792 struct snd_soc_tplg_mixer_control *mc;
793 struct soc_mixer_control *sm;
794 struct snd_kcontrol_new kc;
795 int i, err;
796
797 if (soc_tplg_check_elem_count(tplg,
798 sizeof(struct snd_soc_tplg_mixer_control),
799 count, size, "mixers")) {
800
801 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
802 count);
803 return -EINVAL;
804 }
805
806 for (i = 0; i < count; i++) {
807 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
808
809 /* validate kcontrol */
810 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
811 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
812 return -EINVAL;
813
814 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
815 if (sm == NULL)
816 return -ENOMEM;
817 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
818 mc->priv.size);
819
820 dev_dbg(tplg->dev,
821 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
822 mc->hdr.name, mc->hdr.access);
823
824 memset(&kc, 0, sizeof(kc));
825 kc.name = mc->hdr.name;
826 kc.private_value = (long)sm;
827 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
828 kc.access = mc->hdr.access;
829
830 /* we only support FL/FR channel mapping atm */
831 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
832 SNDRV_CHMAP_FL);
833 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
834 SNDRV_CHMAP_FR);
835 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
836 SNDRV_CHMAP_FL);
837 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
838 SNDRV_CHMAP_FR);
839
840 sm->max = mc->max;
841 sm->min = mc->min;
842 sm->invert = mc->invert;
843 sm->platform_max = mc->platform_max;
844 sm->dobj.index = tplg->index;
845 sm->dobj.ops = tplg->ops;
846 sm->dobj.type = SND_SOC_DOBJ_MIXER;
847 INIT_LIST_HEAD(&sm->dobj.list);
848
849 /* map io handlers */
2b5cdb91 850 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 851 if (err) {
852 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
853 kfree(sm);
854 continue;
855 }
856
857 /* pass control to driver for optional further init */
858 err = soc_tplg_init_kcontrol(tplg, &kc,
859 (struct snd_soc_tplg_ctl_hdr *) mc);
860 if (err < 0) {
861 dev_err(tplg->dev, "ASoC: failed to init %s\n",
862 mc->hdr.name);
863 kfree(sm);
864 continue;
865 }
866
867 /* create any TLV data */
28a87eeb 868 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
8a978234
LG		 869
870 /* register control here */
871 err = soc_tplg_add_kcontrol(tplg, &kc,
872 &sm->dobj.control.kcontrol);
873 if (err < 0) {
874 dev_err(tplg->dev, "ASoC: failed to add %s\n",
875 mc->hdr.name);
876 soc_tplg_free_tlv(tplg, &kc);
877 kfree(sm);
878 continue;
879 }
880
881 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
882 }
883
884 return 0;
885}
886
887static int soc_tplg_denum_create_texts(struct soc_enum *se,
888 struct snd_soc_tplg_enum_control *ec)
889{
890 int i, ret;
891
892 se->dobj.control.dtexts =
6396bb22 893 kcalloc(ec->items, sizeof(char *), GFP_KERNEL);
8a978234
LG		 894 if (se->dobj.control.dtexts == NULL)
895 return -ENOMEM;
896
897 for (i = 0; i < ec->items; i++) {
898
899 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
900 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
901 ret = -EINVAL;
902 goto err;
903 }
904
905 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
906 if (!se->dobj.control.dtexts[i]) {
907 ret = -ENOMEM;
908 goto err;
909 }
910 }
911
b6e38b29 912 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 913 return 0;
914
915err:
916 for (--i; i >= 0; i--)
917 kfree(se->dobj.control.dtexts[i]);
918 kfree(se->dobj.control.dtexts);
919 return ret;
920}
921
922static int soc_tplg_denum_create_values(struct soc_enum *se,
923 struct snd_soc_tplg_enum_control *ec)
924{
925 if (ec->items > sizeof(*ec->values))
926 return -EINVAL;
927
376c0afe
AH		 928 se->dobj.control.dvalues = kmemdup(ec->values,
929 ec->items * sizeof(u32),
930 GFP_KERNEL);
8a978234
LG		 931 if (!se->dobj.control.dvalues)
932 return -ENOMEM;
933
8a978234
LG		 934 return 0;
935}
936
937static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
938 size_t size)
939{
940 struct snd_soc_tplg_enum_control *ec;
941 struct soc_enum *se;
942 struct snd_kcontrol_new kc;
943 int i, ret, err;
944
945 if (soc_tplg_check_elem_count(tplg,
946 sizeof(struct snd_soc_tplg_enum_control),
947 count, size, "enums")) {
948
949 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
950 count);
951 return -EINVAL;
952 }
953
954 for (i = 0; i < count; i++) {
955 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
956 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
957 ec->priv.size);
958
959 /* validate kcontrol */
960 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
961 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
962 return -EINVAL;
963
964 se = kzalloc((sizeof(*se)), GFP_KERNEL);
965 if (se == NULL)
966 return -ENOMEM;
967
968 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
969 ec->hdr.name, ec->items);
970
971 memset(&kc, 0, sizeof(kc));
972 kc.name = ec->hdr.name;
973 kc.private_value = (long)se;
974 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
975 kc.access = ec->hdr.access;
976
977 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
978 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
979 SNDRV_CHMAP_FL);
980 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
981 SNDRV_CHMAP_FL);
982
983 se->items = ec->items;
984 se->mask = ec->mask;
985 se->dobj.index = tplg->index;
986 se->dobj.type = SND_SOC_DOBJ_ENUM;
987 se->dobj.ops = tplg->ops;
988 INIT_LIST_HEAD(&se->dobj.list);
989
990 switch (ec->hdr.ops.info) {
991 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
992 case SND_SOC_TPLG_CTL_ENUM_VALUE:
993 err = soc_tplg_denum_create_values(se, ec);
994 if (err < 0) {
995 dev_err(tplg->dev,
996 "ASoC: could not create values for %s\n",
997 ec->hdr.name);
998 kfree(se);
999 continue;
1000 }
9c6c4d96 1001 /* fall through */
8a978234
LG		 1002 case SND_SOC_TPLG_CTL_ENUM:
1003 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1004 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1005 err = soc_tplg_denum_create_texts(se, ec);
1006 if (err < 0) {
1007 dev_err(tplg->dev,
1008 "ASoC: could not create texts for %s\n",
1009 ec->hdr.name);
1010 kfree(se);
1011 continue;
1012 }
1013 break;
1014 default:
1015 dev_err(tplg->dev,
1016 "ASoC: invalid enum control type %d for %s\n",
1017 ec->hdr.ops.info, ec->hdr.name);
1018 kfree(se);
1019 continue;
1020 }
1021
1022 /* map io handlers */
2b5cdb91 1023 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1024 if (err) {
1025 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1026 kfree(se);
1027 continue;
1028 }
1029
1030 /* pass control to driver for optional further init */
1031 err = soc_tplg_init_kcontrol(tplg, &kc,
1032 (struct snd_soc_tplg_ctl_hdr *) ec);
1033 if (err < 0) {
1034 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1035 ec->hdr.name);
1036 kfree(se);
1037 continue;
1038 }
1039
1040 /* register control here */
1041 ret = soc_tplg_add_kcontrol(tplg,
1042 &kc, &se->dobj.control.kcontrol);
1043 if (ret < 0) {
1044 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1045 ec->hdr.name);
1046 kfree(se);
1047 continue;
1048 }
1049
1050 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1051 }
1052
1053 return 0;
1054}
1055
1056static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1057 struct snd_soc_tplg_hdr *hdr)
1058{
1059 struct snd_soc_tplg_ctl_hdr *control_hdr;
1060 int i;
1061
1062 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1063 tplg->pos += hdr->size + hdr->payload_size;
1064 return 0;
1065 }
1066
1067 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1068 soc_tplg_get_offset(tplg));
1069
1070 for (i = 0; i < hdr->count; i++) {
1071
1072 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1073
06eb49f7
ML		 1074 if (control_hdr->size != sizeof(*control_hdr)) {
1075 dev_err(tplg->dev, "ASoC: invalid control size\n");
1076 return -EINVAL;
1077 }
1078
8a978234
LG		 1079 switch (control_hdr->ops.info) {
1080 case SND_SOC_TPLG_CTL_VOLSW:
1081 case SND_SOC_TPLG_CTL_STROBE:
1082 case SND_SOC_TPLG_CTL_VOLSW_SX:
1083 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1084 case SND_SOC_TPLG_CTL_RANGE:
1085 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1086 case SND_SOC_TPLG_DAPM_CTL_PIN:
1087 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1088 break;
1089 case SND_SOC_TPLG_CTL_ENUM:
1090 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1091 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1092 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1093 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1094 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1095 break;
1096 case SND_SOC_TPLG_CTL_BYTES:
1097 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1098 break;
1099 default:
1100 soc_bind_err(tplg, control_hdr, i);
1101 return -EINVAL;
1102 }
1103 }
1104
1105 return 0;
1106}
1107
503e79b7
LG		 1108/* optionally pass new dynamic kcontrol to component driver. */
1109static int soc_tplg_add_route(struct soc_tplg *tplg,
1110 struct snd_soc_dapm_route *route)
1111{
1112 if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
1113 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1114 route);
1115
1116 return 0;
1117}
1118
8a978234
LG		 1119static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1120 struct snd_soc_tplg_hdr *hdr)
1121{
1122 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1123 struct snd_soc_dapm_route route;
1124 struct snd_soc_tplg_dapm_graph_elem *elem;
1125 int count = hdr->count, i;
1126
1127 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1128 tplg->pos += hdr->size + hdr->payload_size;
1129 return 0;
1130 }
1131
1132 if (soc_tplg_check_elem_count(tplg,
1133 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1134 count, hdr->payload_size, "graph")) {
1135
1136 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1137 count);
1138 return -EINVAL;
1139 }
1140
b75a6511
LG		 1141 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1142 hdr->index);
8a978234
LG		 1143
1144 for (i = 0; i < count; i++) {
1145 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1146 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1147
1148 /* validate routes */
1149 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1150 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1151 return -EINVAL;
1152 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1153 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1154 return -EINVAL;
1155 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1156 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1157 return -EINVAL;
1158
1159 route.source = elem->source;
1160 route.sink = elem->sink;
1161 route.connected = NULL; /* set to NULL atm for tplg users */
1162 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1163 route.control = NULL;
1164 else
1165 route.control = elem->control;
1166
503e79b7
LG		 1167 soc_tplg_add_route(tplg, &route);
1168
8a978234
LG		 1169 /* add route, but keep going if some fail */
1170 snd_soc_dapm_add_routes(dapm, &route, 1);
1171 }
1172
1173 return 0;
1174}
1175
1176static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1177 struct soc_tplg *tplg, int num_kcontrols)
1178{
1179 struct snd_kcontrol_new *kc;
1180 struct soc_mixer_control *sm;
1181 struct snd_soc_tplg_mixer_control *mc;
1182 int i, err;
1183
4ca7deb1 1184 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1185 if (kc == NULL)
1186 return NULL;
1187
1188 for (i = 0; i < num_kcontrols; i++) {
1189 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1190 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1191 if (sm == NULL)
1192 goto err;
1193
1194 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1195 mc->priv.size);
1196
1197 /* validate kcontrol */
1198 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1199 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1200 goto err_str;
1201
1202 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1203 mc->hdr.name, i);
1204
267e2c6f
LG		 1205 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1206 if (kc[i].name == NULL)
1207 goto err_str;
8a978234
LG		 1208 kc[i].private_value = (long)sm;
1209 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1210 kc[i].access = mc->hdr.access;
1211
1212 /* we only support FL/FR channel mapping atm */
1213 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1214 SNDRV_CHMAP_FL);
1215 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1216 SNDRV_CHMAP_FR);
1217 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1218 SNDRV_CHMAP_FL);
1219 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1220 SNDRV_CHMAP_FR);
1221
1222 sm->max = mc->max;
1223 sm->min = mc->min;
1224 sm->invert = mc->invert;
1225 sm->platform_max = mc->platform_max;
1226 sm->dobj.index = tplg->index;
1227 INIT_LIST_HEAD(&sm->dobj.list);
1228
1229 /* map io handlers */
2b5cdb91 1230 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1231 if (err) {
1232 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1233 kfree(sm);
1234 continue;
1235 }
1236
1237 /* pass control to driver for optional further init */
1238 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1239 (struct snd_soc_tplg_ctl_hdr *)mc);
1240 if (err < 0) {
1241 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1242 mc->hdr.name);
1243 kfree(sm);
1244 continue;
1245 }
bde8b388
RS		 1246
1247 /* create any TLV data */
1248 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
8a978234
LG		 1249 }
1250 return kc;
1251
1252err_str:
1253 kfree(sm);
1254err:
267e2c6f 1255 for (--i; i >= 0; i--) {
8a978234 1256 kfree((void *)kc[i].private_value);
267e2c6f
LG		 1257 kfree(kc[i].name);
1258 }
8a978234
LG		 1259 kfree(kc);
1260 return NULL;
1261}
1262
1263static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1264 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1265{
1266 struct snd_kcontrol_new *kc;
1267 struct snd_soc_tplg_enum_control *ec;
1268 struct soc_enum *se;
1a7dd6e2 1269 int i, j, err;
8a978234 1270
1a7dd6e2 1271 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1272 if (kc == NULL)
1273 return NULL;
1274
1a7dd6e2
ML		 1275 for (i = 0; i < num_kcontrols; i++) {
1276 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1277 /* validate kcontrol */
1278 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1279 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
f3ee9096 1280 goto err;
1a7dd6e2
ML		 1281
1282 se = kzalloc(sizeof(*se), GFP_KERNEL);
1283 if (se == NULL)
1284 goto err;
8a978234 1285
1a7dd6e2
ML		 1286 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1287 ec->hdr.name);
8a978234 1288
267e2c6f 1289 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
65030ff3
DC		 1290 if (kc[i].name == NULL) {
1291 kfree(se);
267e2c6f 1292 goto err_se;
65030ff3 1293 }
1a7dd6e2
ML		 1294 kc[i].private_value = (long)se;
1295 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1296 kc[i].access = ec->hdr.access;
8a978234 1297
1a7dd6e2
ML		 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);
8a978234 1304
1a7dd6e2
ML		 1305 se->items = ec->items;
1306 se->mask = ec->mask;
1307 se->dobj.index = tplg->index;
8a978234 1308
1a7dd6e2
ML		 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 }
9c6c4d96 1318 /* fall through */
1a7dd6e2
ML		 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);
8a978234
LG		 1332 goto err_se;
1333 }
1a7dd6e2
ML		 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);
8a978234 1345 if (err < 0) {
1a7dd6e2 1346 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1347 ec->hdr.name);
1348 goto err_se;
1349 }
8a978234 1350
1a7dd6e2
ML		 1351 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1352 ec->priv.size);
8a978234
LG		 1353 }
1354
1355 return kc;
1356
1357err_se:
1a7dd6e2
ML		 1358 for (; i >= 0; i--) {
1359 /* free values and texts */
1360 se = (struct soc_enum *)kc[i].private_value;
6d5574ed
CJ		 1361 if (!se)
1362 continue;
1363
1a7dd6e2
ML		 1364 kfree(se->dobj.control.dvalues);
1365 for (j = 0; j < ec->items; j++)
1366 kfree(se->dobj.control.dtexts[j]);
8a978234 1367
1a7dd6e2 1368 kfree(se);
267e2c6f 1369 kfree(kc[i].name);
1a7dd6e2 1370 }
8a978234
LG		 1371err:
1372 kfree(kc);
1373
1374 return NULL;
1375}
1376
1377static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1378 struct soc_tplg *tplg, int count)
1379{
1380 struct snd_soc_tplg_bytes_control *be;
1381 struct soc_bytes_ext *sbe;
1382 struct snd_kcontrol_new *kc;
1383 int i, err;
1384
4ca7deb1 1385 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1386 if (!kc)
1387 return NULL;
1388
1389 for (i = 0; i < count; i++) {
1390 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1391
1392 /* validate kcontrol */
1393 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1394 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1395 goto err;
1396
1397 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1398 if (sbe == NULL)
1399 goto err;
1400
1401 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1402 be->priv.size);
1403
1404 dev_dbg(tplg->dev,
1405 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1406 be->hdr.name, be->hdr.access);
1407
267e2c6f 1408 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
65030ff3
DC		 1409 if (kc[i].name == NULL) {
1410 kfree(sbe);
267e2c6f 1411 goto err;
65030ff3 1412 }
8a978234
LG		 1413 kc[i].private_value = (long)sbe;
1414 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1415 kc[i].access = be->hdr.access;
1416
1417 sbe->max = be->max;
1418 INIT_LIST_HEAD(&sbe->dobj.list);
1419
1420 /* map standard io handlers and check for external handlers */
2b5cdb91 1421 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1422 if (err) {
1423 soc_control_err(tplg, &be->hdr, be->hdr.name);
1424 kfree(sbe);
1425 continue;
1426 }
1427
1428 /* pass control to driver for optional further init */
1429 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1430 (struct snd_soc_tplg_ctl_hdr *)be);
1431 if (err < 0) {
1432 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1433 be->hdr.name);
1434 kfree(sbe);
1435 continue;
1436 }
1437 }
1438
1439 return kc;
1440
1441err:
267e2c6f 1442 for (--i; i >= 0; i--) {
8a978234 1443 kfree((void *)kc[i].private_value);
267e2c6f
LG		 1444 kfree(kc[i].name);
1445 }
8a978234
LG		 1446
1447 kfree(kc);
1448 return NULL;
1449}
1450
1451static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1452 struct snd_soc_tplg_dapm_widget *w)
1453{
1454 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1455 struct snd_soc_dapm_widget template, *widget;
1456 struct snd_soc_tplg_ctl_hdr *control_hdr;
1457 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1458 unsigned int kcontrol_type;
8a978234
LG		 1459 int ret = 0;
1460
1461 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1462 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1463 return -EINVAL;
1464 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1465 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1466 return -EINVAL;
1467
1468 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1469 w->name, w->id);
1470
1471 memset(&template, 0, sizeof(template));
1472
1473 /* map user to kernel widget ID */
1474 template.id = get_widget_id(w->id);
1475 if (template.id < 0)
1476 return template.id;
1477
c3421a6a 1478 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1479 template.name = kstrdup(w->name, GFP_KERNEL);
1480 if (!template.name)
1481 return -ENOMEM;
1482 template.sname = kstrdup(w->sname, GFP_KERNEL);
1483 if (!template.sname) {
1484 ret = -ENOMEM;
1485 goto err;
1486 }
1487 template.reg = w->reg;
1488 template.shift = w->shift;
1489 template.mask = w->mask;
6dc6db79 1490 template.subseq = w->subseq;
8a978234
LG		 1491 template.on_val = w->invert ? 0 : 1;
1492 template.off_val = w->invert ? 1 : 0;
1493 template.ignore_suspend = w->ignore_suspend;
1494 template.event_flags = w->event_flags;
1495 template.dobj.index = tplg->index;
1496
1497 tplg->pos +=
1498 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1499 if (w->num_kcontrols == 0) {
dd5abb74 1500 kcontrol_type = 0;
8a978234
LG		 1501 template.num_kcontrols = 0;
1502 goto widget;
1503 }
1504
1505 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1506 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1507 w->name, w->num_kcontrols, control_hdr->type);
1508
1509 switch (control_hdr->ops.info) {
1510 case SND_SOC_TPLG_CTL_VOLSW:
1511 case SND_SOC_TPLG_CTL_STROBE:
1512 case SND_SOC_TPLG_CTL_VOLSW_SX:
1513 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1514 case SND_SOC_TPLG_CTL_RANGE:
1515 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1516 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
8a978234
LG		 1517 template.num_kcontrols = w->num_kcontrols;
1518 template.kcontrol_news =
1519 soc_tplg_dapm_widget_dmixer_create(tplg,
1520 template.num_kcontrols);
1521 if (!template.kcontrol_news) {
1522 ret = -ENOMEM;
1523 goto hdr_err;
1524 }
1525 break;
1526 case SND_SOC_TPLG_CTL_ENUM:
1527 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1528 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1529 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1530 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1531 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1a7dd6e2 1532 template.num_kcontrols = w->num_kcontrols;
8a978234 1533 template.kcontrol_news =
1a7dd6e2
ML		 1534 soc_tplg_dapm_widget_denum_create(tplg,
1535 template.num_kcontrols);
8a978234
LG		 1536 if (!template.kcontrol_news) {
1537 ret = -ENOMEM;
1538 goto hdr_err;
1539 }
1540 break;
1541 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1542 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
8a978234
LG		 1543 template.num_kcontrols = w->num_kcontrols;
1544 template.kcontrol_news =
1545 soc_tplg_dapm_widget_dbytes_create(tplg,
1546 template.num_kcontrols);
1547 if (!template.kcontrol_news) {
1548 ret = -ENOMEM;
1549 goto hdr_err;
1550 }
1551 break;
1552 default:
1553 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1554 control_hdr->ops.get, control_hdr->ops.put,
1555 control_hdr->ops.info);
1556 ret = -EINVAL;
1557 goto hdr_err;
1558 }
1559
1560widget:
1561 ret = soc_tplg_widget_load(tplg, &template, w);
1562 if (ret < 0)
1563 goto hdr_err;
1564
1565 /* card dapm mutex is held by the core if we are loading topology
1566 * data during sound card init. */
1567 if (card->instantiated)
1568 widget = snd_soc_dapm_new_control(dapm, &template);
1569 else
1570 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1571 if (IS_ERR(widget)) {
1572 ret = PTR_ERR(widget);
8a978234
LG		 1573 goto hdr_err;
1574 }
1575
1576 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1577 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1578 widget->dobj.ops = tplg->ops;
1579 widget->dobj.index = tplg->index;
1580 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1581
1582 ret = soc_tplg_widget_ready(tplg, widget, w);
1583 if (ret < 0)
1584 goto ready_err;
1585
8a978234
LG		 1586 return 0;
1587
ebd259d3
LG		 1588ready_err:
1589 snd_soc_tplg_widget_remove(widget);
1590 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1591hdr_err:
1592 kfree(template.sname);
1593err:
1594 kfree(template.name);
1595 return ret;
1596}
1597
1598static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1599 struct snd_soc_tplg_hdr *hdr)
1600{
1601 struct snd_soc_tplg_dapm_widget *widget;
1602 int ret, count = hdr->count, i;
1603
1604 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1605 return 0;
1606
1607 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1608
1609 for (i = 0; i < count; i++) {
1610 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
06eb49f7
ML		 1611 if (widget->size != sizeof(*widget)) {
1612 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1613 return -EINVAL;
1614 }
1615
8a978234 1616 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1617 if (ret < 0) {
8a978234
LG		 1618 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1619 widget->name);
7de76b62
ML		 1620 return ret;
1621 }
8a978234
LG		 1622 }
1623
1624 return 0;
1625}
1626
1627static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1628{
1629 struct snd_soc_card *card = tplg->comp->card;
1630 int ret;
1631
1632 /* Card might not have been registered at this point.
1633 * If so, just return success.
1634 */
1635 if (!card || !card->instantiated) {
1636 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1637 " widget card binding deferred\n");
8a978234
LG		 1638 return 0;
1639 }
1640
1641 ret = snd_soc_dapm_new_widgets(card);
1642 if (ret < 0)
1643 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1644 ret);
1645
1646 return 0;
1647}
1648
b6b6e4d6
ML		 1649static void set_stream_info(struct snd_soc_pcm_stream *stream,
1650 struct snd_soc_tplg_stream_caps *caps)
1651{
1652 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1653 stream->channels_min = caps->channels_min;
1654 stream->channels_max = caps->channels_max;
1655 stream->rates = caps->rates;
1656 stream->rate_min = caps->rate_min;
1657 stream->rate_max = caps->rate_max;
1658 stream->formats = caps->formats;
f918e169 1659 stream->sig_bits = caps->sig_bits;
b6b6e4d6
ML		 1660}
1661
0038be9a
ML		 1662static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1663 unsigned int flag_mask, unsigned int flags)
1664{
1665 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1666 dai_drv->symmetric_rates =
1667 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1668
1669 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1670 dai_drv->symmetric_channels =
1671 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1672 1 : 0;
1673
1674 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1675 dai_drv->symmetric_samplebits =
1676 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1677 1 : 0;
1678}
1679
64527e8a
ML		 1680static int soc_tplg_dai_create(struct soc_tplg *tplg,
1681 struct snd_soc_tplg_pcm *pcm)
1682{
1683 struct snd_soc_dai_driver *dai_drv;
1684 struct snd_soc_pcm_stream *stream;
1685 struct snd_soc_tplg_stream_caps *caps;
1686 int ret;
1687
1688 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1689 if (dai_drv == NULL)
1690 return -ENOMEM;
1691
8f27c4ab
ML		 1692 if (strlen(pcm->dai_name))
1693 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
64527e8a
ML		 1694 dai_drv->id = pcm->dai_id;
1695
1696 if (pcm->playback) {
1697 stream = &dai_drv->playback;
1698 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
b6b6e4d6 1699 set_stream_info(stream, caps);
64527e8a
ML		 1700 }
1701
1702 if (pcm->capture) {
1703 stream = &dai_drv->capture;
1704 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
b6b6e4d6 1705 set_stream_info(stream, caps);
64527e8a
ML		 1706 }
1707
5db6aab6
LG		 1708 if (pcm->compress)
1709 dai_drv->compress_new = snd_soc_new_compress;
1710
64527e8a 1711 /* pass control to component driver for optional further init */
c60b613a 1712 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a
ML		 1713 if (ret < 0) {
1714 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1715 kfree(dai_drv);
1716 return ret;
1717 }
1718
1719 dai_drv->dobj.index = tplg->index;
1720 dai_drv->dobj.ops = tplg->ops;
1721 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1722 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1723
1724 /* register the DAI to the component */
1725 return snd_soc_register_dai(tplg->comp, dai_drv);
1726}
1727
717a8e72
ML		 1728static void set_link_flags(struct snd_soc_dai_link *link,
1729 unsigned int flag_mask, unsigned int flags)
1730{
1731 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1732 link->symmetric_rates =
1733 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1734
1735 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1736 link->symmetric_channels =
1737 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1738 1 : 0;
1739
1740 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1741 link->symmetric_samplebits =
1742 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1743 1 : 0;
6ff67cca
ML		 1744
1745 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1746 link->ignore_suspend =
1747 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1748 1 : 0;
717a8e72
ML		 1749}
1750
67d1c21e 1751/* create the FE DAI link */
ab4bc5ee 1752static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1753 struct snd_soc_tplg_pcm *pcm)
1754{
1755 struct snd_soc_dai_link *link;
1756 int ret;
1757
1758 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1759 if (link == NULL)
1760 return -ENOMEM;
1761
8f27c4ab
ML		 1762 if (strlen(pcm->pcm_name)) {
1763 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1764 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1765 }
b84fff5a 1766 link->id = pcm->pcm_id;
acfc7d46 1767
8f27c4ab
ML		 1768 if (strlen(pcm->dai_name))
1769 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1770
67d1c21e
GS		 1771 link->codec_name = "snd-soc-dummy";
1772 link->codec_dai_name = "snd-soc-dummy-dai";
1773
1774 /* enable DPCM */
1775 link->dynamic = 1;
1776 link->dpcm_playback = pcm->playback;
1777 link->dpcm_capture = pcm->capture;
717a8e72
ML		 1778 if (pcm->flag_mask)
1779 set_link_flags(link, pcm->flag_mask, pcm->flags);
67d1c21e 1780
acfc7d46 1781 /* pass control to component driver for optional further init */
c60b613a 1782 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46
ML		 1783 if (ret < 0) {
1784 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1785 kfree(link);
1786 return ret;
1787 }
1788
1789 link->dobj.index = tplg->index;
1790 link->dobj.ops = tplg->ops;
1791 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1792 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1793
1794 snd_soc_add_dai_link(tplg->comp->card, link);
1795 return 0;
1796}
1797
1798/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1799static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1800 struct snd_soc_tplg_pcm *pcm)
1801{
acfc7d46
ML		 1802 int ret;
1803
1804 ret = soc_tplg_dai_create(tplg, pcm);
1805 if (ret < 0)
1806 return ret;
1807
ab4bc5ee 1808 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1809}
1810
55726dc9
ML		 1811/* copy stream caps from the old version 4 of source */
1812static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1813 struct snd_soc_tplg_stream_caps_v4 *src)
1814{
1815 dest->size = sizeof(*dest);
1816 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1817 dest->formats = src->formats;
1818 dest->rates = src->rates;
1819 dest->rate_min = src->rate_min;
1820 dest->rate_max = src->rate_max;
1821 dest->channels_min = src->channels_min;
1822 dest->channels_max = src->channels_max;
1823 dest->periods_min = src->periods_min;
1824 dest->periods_max = src->periods_max;
1825 dest->period_size_min = src->period_size_min;
1826 dest->period_size_max = src->period_size_max;
1827 dest->buffer_size_min = src->buffer_size_min;
1828 dest->buffer_size_max = src->buffer_size_max;
1829}
1830
1831/**
1832 * pcm_new_ver - Create the new version of PCM from the old version.
1833 * @tplg: topology context
1834 * @src: older version of pcm as a source
1835 * @pcm: latest version of pcm created from the source
1836 *
1837 * Support from vesion 4. User should free the returned pcm manually.
1838 */
1839static int pcm_new_ver(struct soc_tplg *tplg,
1840 struct snd_soc_tplg_pcm *src,
1841 struct snd_soc_tplg_pcm **pcm)
1842{
1843 struct snd_soc_tplg_pcm *dest;
1844 struct snd_soc_tplg_pcm_v4 *src_v4;
1845 int i;
1846
1847 *pcm = NULL;
1848
1849 if (src->size != sizeof(*src_v4)) {
1850 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1851 return -EINVAL;
1852 }
1853
1854 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1855 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1856 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1857 if (!dest)
1858 return -ENOMEM;
1859
1860 dest->size = sizeof(*dest); /* size of latest abi version */
1861 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1862 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1863 dest->pcm_id = src_v4->pcm_id;
1864 dest->dai_id = src_v4->dai_id;
1865 dest->playback = src_v4->playback;
1866 dest->capture = src_v4->capture;
1867 dest->compress = src_v4->compress;
1868 dest->num_streams = src_v4->num_streams;
1869 for (i = 0; i < dest->num_streams; i++)
1870 memcpy(&dest->stream[i], &src_v4->stream[i],
1871 sizeof(struct snd_soc_tplg_stream));
1872
1873 for (i = 0; i < 2; i++)
1874 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1875
1876 *pcm = dest;
1877 return 0;
1878}
1879
64527e8a 1880static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1881 struct snd_soc_tplg_hdr *hdr)
1882{
55726dc9 1883 struct snd_soc_tplg_pcm *pcm, *_pcm;
8a978234 1884 int count = hdr->count;
fd340455 1885 int i;
55726dc9 1886 bool abi_match;
8a978234
LG		 1887
1888 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1889 return 0;
1890
55726dc9
ML		 1891 /* check the element size and count */
1892 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1893 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1894 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1895 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1896 pcm->size);
1897 return -EINVAL;
1898 }
1899
8a978234 1900 if (soc_tplg_check_elem_count(tplg,
55726dc9 1901 pcm->size, count,
8a978234
LG		 1902 hdr->payload_size, "PCM DAI")) {
1903 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1904 count);
1905 return -EINVAL;
1906 }
1907
64527e8a 1908 for (i = 0; i < count; i++) {
55726dc9
ML		 1909 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1910
1911 /* check ABI version by size, create a new version of pcm
1912 * if abi not match.
1913 */
1914 if (pcm->size == sizeof(*pcm)) {
1915 abi_match = true;
1916 _pcm = pcm;
1917 } else {
1918 abi_match = false;
fd340455 1919 pcm_new_ver(tplg, pcm, &_pcm);
06eb49f7
ML		 1920 }
1921
55726dc9
ML		 1922 /* create the FE DAIs and DAI links */
1923 soc_tplg_pcm_create(tplg, _pcm);
1924
717a8e72
ML		 1925 /* offset by version-specific struct size and
1926 * real priv data size
1927 */
1928 tplg->pos += pcm->size + _pcm->priv.size;
1929
55726dc9
ML		 1930 if (!abi_match)
1931 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1932 }
1933
8a978234 1934 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1935
8a978234 1936 return 0;
8a978234
LG		 1937}
1938
593d9e52
ML		 1939/**
1940 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1941 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1942 * @cfg: physical link configs.
1943 *
1944 * Topology context contains a list of supported HW formats (configs) and
1945 * a default format ID for the physical link. This function will use this
1946 * default ID to choose the HW format to set the link's DAI format for init.
1947 */
1948static void set_link_hw_format(struct snd_soc_dai_link *link,
1949 struct snd_soc_tplg_link_config *cfg)
1950{
1951 struct snd_soc_tplg_hw_config *hw_config;
1952 unsigned char bclk_master, fsync_master;
1953 unsigned char invert_bclk, invert_fsync;
1954 int i;
1955
1956 for (i = 0; i < cfg->num_hw_configs; i++) {
1957 hw_config = &cfg->hw_config[i];
1958 if (hw_config->id != cfg->default_hw_config_id)
1959 continue;
1960
1961 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
1962
933e1c4a 1963 /* clock gating */
fbeabd09
KM		 1964 switch (hw_config->clock_gated) {
1965 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 1966 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 1967 break;
1968
1969 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 1970 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 1971 break;
1972
1973 default:
1974 /* ignore the value */
1975 break;
1976 }
933e1c4a 1977
593d9e52
ML		 1978 /* clock signal polarity */
1979 invert_bclk = hw_config->invert_bclk;
1980 invert_fsync = hw_config->invert_fsync;
1981 if (!invert_bclk && !invert_fsync)
1982 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1983 else if (!invert_bclk && invert_fsync)
1984 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
1985 else if (invert_bclk && !invert_fsync)
1986 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
1987 else
1988 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
1989
1990 /* clock masters */
a941e2fa
KM		 1991 bclk_master = (hw_config->bclk_master ==
1992 SND_SOC_TPLG_BCLK_CM);
1993 fsync_master = (hw_config->fsync_master ==
1994 SND_SOC_TPLG_FSYNC_CM);
1995 if (bclk_master && fsync_master)
593d9e52 1996 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
593d9e52 1997 else if (!bclk_master && fsync_master)
a941e2fa
KM		 1998 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
1999 else if (bclk_master && !fsync_master)
593d9e52
ML		 2000 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2001 else
2002 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2003 }
2004}
2005
2006/**
2007 * link_new_ver - Create a new physical link config from the old
2008 * version of source.
8abab35f 2009 * @tplg: topology context
593d9e52
ML		 2010 * @src: old version of phyical link config as a source
2011 * @link: latest version of physical link config created from the source
2012 *
2013 * Support from vesion 4. User need free the returned link config manually.
2014 */
2015static int link_new_ver(struct soc_tplg *tplg,
2016 struct snd_soc_tplg_link_config *src,
2017 struct snd_soc_tplg_link_config **link)
2018{
2019 struct snd_soc_tplg_link_config *dest;
2020 struct snd_soc_tplg_link_config_v4 *src_v4;
2021 int i;
2022
2023 *link = NULL;
2024
2025 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
2026 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2027 return -EINVAL;
2028 }
2029
2030 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2031
2032 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2033 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2034 if (!dest)
2035 return -ENOMEM;
2036
2037 dest->size = sizeof(*dest);
2038 dest->id = src_v4->id;
2039 dest->num_streams = src_v4->num_streams;
2040 for (i = 0; i < dest->num_streams; i++)
2041 memcpy(&dest->stream[i], &src_v4->stream[i],
2042 sizeof(struct snd_soc_tplg_stream));
2043
2044 *link = dest;
2045 return 0;
2046}
2047
2048/* Find and configure an existing physical DAI link */
2049static int soc_tplg_link_config(struct soc_tplg *tplg,
2050 struct snd_soc_tplg_link_config *cfg)
2051{
2052 struct snd_soc_dai_link *link;
2053 const char *name, *stream_name;
dbab1cb8 2054 size_t len;
593d9e52
ML		 2055 int ret;
2056
dbab1cb8
ML		 2057 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2058 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2059 return -EINVAL;
2060 else if (len)
2061 name = cfg->name;
2062 else
2063 name = NULL;
2064
2065 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2066 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2067 return -EINVAL;
2068 else if (len)
2069 stream_name = cfg->stream_name;
2070 else
2071 stream_name = NULL;
593d9e52
ML		 2072
2073 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2074 name, stream_name);
2075 if (!link) {
2076 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2077 name, cfg->id);
2078 return -EINVAL;
2079 }
2080
2081 /* hw format */
2082 if (cfg->num_hw_configs)
2083 set_link_hw_format(link, cfg);
2084
2085 /* flags */
2086 if (cfg->flag_mask)
2087 set_link_flags(link, cfg->flag_mask, cfg->flags);
2088
2089 /* pass control to component driver for optional further init */
c60b613a 2090 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2091 if (ret < 0) {
2092 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2093 return ret;
2094 }
2095
2096 return 0;
2097}
2098
2099
2100/* Load physical link config elements from the topology context */
2101static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2102 struct snd_soc_tplg_hdr *hdr)
2103{
2104 struct snd_soc_tplg_link_config *link, *_link;
2105 int count = hdr->count;
2106 int i, ret;
2107 bool abi_match;
2108
2109 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2110 tplg->pos += hdr->size + hdr->payload_size;
2111 return 0;
2112 };
2113
2114 /* check the element size and count */
2115 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2116 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2117 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2118 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2119 link->size);
2120 return -EINVAL;
2121 }
2122
2123 if (soc_tplg_check_elem_count(tplg,
2124 link->size, count,
2125 hdr->payload_size, "physical link config")) {
2126 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2127 count);
2128 return -EINVAL;
2129 }
2130
2131 /* config physical DAI links */
2132 for (i = 0; i < count; i++) {
2133 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2134 if (link->size == sizeof(*link)) {
2135 abi_match = true;
2136 _link = link;
2137 } else {
2138 abi_match = false;
2139 ret = link_new_ver(tplg, link, &_link);
2140 if (ret < 0)
2141 return ret;
2142 }
2143
2144 ret = soc_tplg_link_config(tplg, _link);
2145 if (ret < 0)
2146 return ret;
2147
2148 /* offset by version-specific struct size and
2149 * real priv data size
2150 */
2151 tplg->pos += link->size + _link->priv.size;
2152
2153 if (!abi_match)
2154 kfree(_link); /* free the duplicated one */
2155 }
2156
2157 return 0;
2158}
2159
9aa3f034
ML		 2160/**
2161 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2162 * @tplg: topology context
9aa3f034 2163 * @d: physical DAI configs.
0038be9a 2164 *
9aa3f034
ML		 2165 * The physical dai should already be registered by the platform driver.
2166 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2167 */
9aa3f034
ML		 2168static int soc_tplg_dai_config(struct soc_tplg *tplg,
2169 struct snd_soc_tplg_dai *d)
0038be9a
ML		 2170{
2171 struct snd_soc_dai_link_component dai_component = {0};
2172 struct snd_soc_dai *dai;
2173 struct snd_soc_dai_driver *dai_drv;
2174 struct snd_soc_pcm_stream *stream;
2175 struct snd_soc_tplg_stream_caps *caps;
2176 int ret;
2177
9aa3f034 2178 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2179 dai = snd_soc_find_dai(&dai_component);
2180 if (!dai) {
9aa3f034
ML		 2181 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2182 d->dai_name);
0038be9a
ML		 2183 return -EINVAL;
2184 }
2185
9aa3f034
ML		 2186 if (d->dai_id != dai->id) {
2187 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2188 d->dai_name);
0038be9a
ML		 2189 return -EINVAL;
2190 }
2191
2192 dai_drv = dai->driver;
2193 if (!dai_drv)
2194 return -EINVAL;
2195
9aa3f034 2196 if (d->playback) {
0038be9a 2197 stream = &dai_drv->playback;
9aa3f034 2198 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
0038be9a
ML		 2199 set_stream_info(stream, caps);
2200 }
2201
9aa3f034 2202 if (d->capture) {
0038be9a 2203 stream = &dai_drv->capture;
9aa3f034 2204 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
0038be9a
ML		 2205 set_stream_info(stream, caps);
2206 }
2207
9aa3f034
ML		 2208 if (d->flag_mask)
2209 set_dai_flags(dai_drv, d->flag_mask, d->flags);
0038be9a
ML		 2210
2211 /* pass control to component driver for optional further init */
c60b613a 2212 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a
ML		 2213 if (ret < 0) {
2214 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2215 return ret;
2216 }
2217
2218 return 0;
2219}
2220
9aa3f034
ML		 2221/* load physical DAI elements */
2222static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2223 struct snd_soc_tplg_hdr *hdr)
0038be9a 2224{
9aa3f034 2225 struct snd_soc_tplg_dai *dai;
0038be9a
ML		 2226 int count = hdr->count;
2227 int i;
2228
2229 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2230 return 0;
2231
2232 /* config the existing BE DAIs */
2233 for (i = 0; i < count; i++) {
9aa3f034
ML		 2234 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2235 if (dai->size != sizeof(*dai)) {
2236 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2237 return -EINVAL;
2238 }
2239
9aa3f034
ML		 2240 soc_tplg_dai_config(tplg, dai);
2241 tplg->pos += (sizeof(*dai) + dai->priv.size);
0038be9a
ML		 2242 }
2243
2244 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2245 return 0;
2246}
2247
583958fa
ML		 2248/**
2249 * manifest_new_ver - Create a new version of manifest from the old version
2250 * of source.
8abab35f 2251 * @tplg: topology context
583958fa
ML		 2252 * @src: old version of manifest as a source
2253 * @manifest: latest version of manifest created from the source
2254 *
2255 * Support from vesion 4. Users need free the returned manifest manually.
2256 */
2257static int manifest_new_ver(struct soc_tplg *tplg,
2258 struct snd_soc_tplg_manifest *src,
2259 struct snd_soc_tplg_manifest **manifest)
2260{
2261 struct snd_soc_tplg_manifest *dest;
2262 struct snd_soc_tplg_manifest_v4 *src_v4;
2263
2264 *manifest = NULL;
2265
2266 if (src->size != sizeof(*src_v4)) {
ac9391da
GR		 2267 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
2268 src->size);
2269 if (src->size)
2270 return -EINVAL;
2271 src->size = sizeof(*src_v4);
583958fa
ML		 2272 }
2273
2274 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2275
2276 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2277 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2278 if (!dest)
2279 return -ENOMEM;
2280
2281 dest->size = sizeof(*dest); /* size of latest abi version */
2282 dest->control_elems = src_v4->control_elems;
2283 dest->widget_elems = src_v4->widget_elems;
2284 dest->graph_elems = src_v4->graph_elems;
2285 dest->pcm_elems = src_v4->pcm_elems;
2286 dest->dai_link_elems = src_v4->dai_link_elems;
2287 dest->priv.size = src_v4->priv.size;
2288 if (dest->priv.size)
2289 memcpy(dest->priv.data, src_v4->priv.data,
2290 src_v4->priv.size);
2291
2292 *manifest = dest;
2293 return 0;
2294}
0038be9a 2295
8a978234 2296static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2297 struct snd_soc_tplg_hdr *hdr)
8a978234 2298{
583958fa
ML		 2299 struct snd_soc_tplg_manifest *manifest, *_manifest;
2300 bool abi_match;
2301 int err;
8a978234
LG		 2302
2303 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2304 return 0;
2305
2306 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2307
583958fa
ML		 2308 /* check ABI version by size, create a new manifest if abi not match */
2309 if (manifest->size == sizeof(*manifest)) {
2310 abi_match = true;
2311 _manifest = manifest;
2312 } else {
2313 abi_match = false;
2314 err = manifest_new_ver(tplg, manifest, &_manifest);
2315 if (err < 0)
2316 return err;
2317 }
8a978234 2318
583958fa 2319 /* pass control to component driver for optional further init */
8a978234 2320 if (tplg->comp && tplg->ops && tplg->ops->manifest)
c60b613a 2321 return tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2322
2323 if (!abi_match) /* free the duplicated one */
2324 kfree(_manifest);
8a978234 2325
8a978234
LG		 2326 return 0;
2327}
2328
2329/* validate header magic, size and type */
2330static int soc_valid_header(struct soc_tplg *tplg,
2331 struct snd_soc_tplg_hdr *hdr)
2332{
2333 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2334 return 0;
2335
06eb49f7
ML		 2336 if (hdr->size != sizeof(*hdr)) {
2337 dev_err(tplg->dev,
2338 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2339 hdr->type, soc_tplg_get_hdr_offset(tplg),
2340 tplg->fw->size);
2341 return -EINVAL;
2342 }
2343
8a978234
LG		 2344 /* big endian firmware objects not supported atm */
2345 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2346 dev_err(tplg->dev,
2347 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2348 tplg->pass, hdr->magic,
2349 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2350 return -EINVAL;
2351 }
2352
2353 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2354 dev_err(tplg->dev,
2355 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2356 tplg->pass, hdr->magic,
2357 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2358 return -EINVAL;
2359 }
2360
288b8da7
ML		 2361 /* Support ABI from version 4 */
2362 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2363 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2364 dev_err(tplg->dev,
2365 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2366 tplg->pass, hdr->abi,
2367 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2368 tplg->fw->size);
2369 return -EINVAL;
2370 }
2371
2372 if (hdr->payload_size == 0) {
2373 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2374 soc_tplg_get_hdr_offset(tplg));
2375 return -EINVAL;
2376 }
2377
2378 if (tplg->pass == hdr->type)
2379 dev_dbg(tplg->dev,
2380 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2381 hdr->payload_size, hdr->type, hdr->version,
2382 hdr->vendor_type, tplg->pass);
2383
2384 return 1;
2385}
2386
2387/* check header type and call appropriate handler */
2388static int soc_tplg_load_header(struct soc_tplg *tplg,
2389 struct snd_soc_tplg_hdr *hdr)
2390{
2391 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2392
2393 /* check for matching ID */
2394 if (hdr->index != tplg->req_index &&
bb97142b 2395 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2396 return 0;
2397
2398 tplg->index = hdr->index;
2399
2400 switch (hdr->type) {
2401 case SND_SOC_TPLG_TYPE_MIXER:
2402 case SND_SOC_TPLG_TYPE_ENUM:
2403 case SND_SOC_TPLG_TYPE_BYTES:
2404 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2405 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2406 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2407 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2408 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2409 case SND_SOC_TPLG_TYPE_PCM:
64527e8a 2410 return soc_tplg_pcm_elems_load(tplg, hdr);
3fbf7935 2411 case SND_SOC_TPLG_TYPE_DAI:
9aa3f034 2412 return soc_tplg_dai_elems_load(tplg, hdr);
593d9e52
ML		 2413 case SND_SOC_TPLG_TYPE_DAI_LINK:
2414 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2415 /* physical link configurations */
2416 return soc_tplg_link_elems_load(tplg, hdr);
8a978234
LG		 2417 case SND_SOC_TPLG_TYPE_MANIFEST:
2418 return soc_tplg_manifest_load(tplg, hdr);
2419 default:
2420 /* bespoke vendor data object */
2421 return soc_tplg_vendor_load(tplg, hdr);
2422 }
2423
2424 return 0;
2425}
2426
2427/* process the topology file headers */
2428static int soc_tplg_process_headers(struct soc_tplg *tplg)
2429{
2430 struct snd_soc_tplg_hdr *hdr;
2431 int ret;
2432
2433 tplg->pass = SOC_TPLG_PASS_START;
2434
2435 /* process the header types from start to end */
2436 while (tplg->pass <= SOC_TPLG_PASS_END) {
2437
2438 tplg->hdr_pos = tplg->fw->data;
2439 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2440
2441 while (!soc_tplg_is_eof(tplg)) {
2442
2443 /* make sure header is valid before loading */
2444 ret = soc_valid_header(tplg, hdr);
2445 if (ret < 0)
2446 return ret;
2447 else if (ret == 0)
2448 break;
2449
2450 /* load the header object */
2451 ret = soc_tplg_load_header(tplg, hdr);
2452 if (ret < 0)
2453 return ret;
2454
2455 /* goto next header */
2456 tplg->hdr_pos += hdr->payload_size +
2457 sizeof(struct snd_soc_tplg_hdr);
2458 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2459 }
2460
2461 /* next data type pass */
2462 tplg->pass++;
2463 }
2464
2465 /* signal DAPM we are complete */
2466 ret = soc_tplg_dapm_complete(tplg);
2467 if (ret < 0)
2468 dev_err(tplg->dev,
2469 "ASoC: failed to initialise DAPM from Firmware\n");
2470
2471 return ret;
2472}
2473
2474static int soc_tplg_load(struct soc_tplg *tplg)
2475{
2476 int ret;
2477
2478 ret = soc_tplg_process_headers(tplg);
2479 if (ret == 0)
2480 soc_tplg_complete(tplg);
2481
2482 return ret;
2483}
2484
2485/* load audio component topology from "firmware" file */
2486int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2487 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2488{
2489 struct soc_tplg tplg;
2490
2491 /* setup parsing context */
2492 memset(&tplg, 0, sizeof(tplg));
2493 tplg.fw = fw;
2494 tplg.dev = comp->dev;
2495 tplg.comp = comp;
2496 tplg.ops = ops;
2497 tplg.req_index = id;
2498 tplg.io_ops = ops->io_ops;
2499 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2500 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2501 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234
LG		 2502
2503 return soc_tplg_load(&tplg);
2504}
2505EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2506
2507/* remove this dynamic widget */
2508void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2509{
2510 /* make sure we are a widget */
2511 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2512 return;
2513
2514 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2515}
2516EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2517
2518/* remove all dynamic widgets from this DAPM context */
2519void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2520 u32 index)
2521{
2522 struct snd_soc_dapm_widget *w, *next_w;
8a978234
LG		 2523
2524 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2525
2526 /* make sure we are a widget with correct context */
2527 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2528 continue;
2529
2530 /* match ID */
2531 if (w->dobj.index != index &&
2532 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2533 continue;
8a978234
LG		 2534 /* check and free and dynamic widget kcontrols */
2535 snd_soc_tplg_widget_remove(w);
b97e2698 2536 snd_soc_dapm_free_widget(w);
8a978234 2537 }
fd589a1b 2538 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2539}
2540EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2541
2542/* remove dynamic controls from the component driver */
2543int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2544{
2545 struct snd_soc_dobj *dobj, *next_dobj;
2546 int pass = SOC_TPLG_PASS_END;
2547
2548 /* process the header types from end to start */
2549 while (pass >= SOC_TPLG_PASS_START) {
2550
2551 /* remove mixer controls */
2552 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2553 list) {
2554
2555 /* match index */
2556 if (dobj->index != index &&
feb12f0c 2557 index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2558 continue;
2559
2560 switch (dobj->type) {
2561 case SND_SOC_DOBJ_MIXER:
2562 remove_mixer(comp, dobj, pass);
2563 break;
2564 case SND_SOC_DOBJ_ENUM:
2565 remove_enum(comp, dobj, pass);
2566 break;
2567 case SND_SOC_DOBJ_BYTES:
2568 remove_bytes(comp, dobj, pass);
2569 break;
2570 case SND_SOC_DOBJ_WIDGET:
2571 remove_widget(comp, dobj, pass);
2572 break;
2573 case SND_SOC_DOBJ_PCM:
64527e8a 2574 remove_dai(comp, dobj, pass);
8a978234 2575 break;
acfc7d46
ML		 2576 case SND_SOC_DOBJ_DAI_LINK:
2577 remove_link(comp, dobj, pass);
2578 break;
8a978234
LG		 2579 default:
2580 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2581 dobj->type);
2582 break;
2583 }
2584 }
2585 pass--;
2586 }
2587
2588 /* let caller know if FW can be freed when no objects are left */
2589 return !list_empty(&comp->dobj_list);
2590}
2591EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)