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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 32
2114171d
PLB		 33#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
34
8a978234
LG		 35/*
36 * We make several passes over the data (since it wont necessarily be ordered)
37 * and process objects in the following order. This guarantees the component
38 * drivers will be ready with any vendor data before the mixers and DAPM objects
39 * are loaded (that may make use of the vendor data).
40 */
41#define SOC_TPLG_PASS_MANIFEST 0
42#define SOC_TPLG_PASS_VENDOR 1
43#define SOC_TPLG_PASS_MIXER 2
44#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 45#define SOC_TPLG_PASS_PCM_DAI 4
46#define SOC_TPLG_PASS_GRAPH 5
47#define SOC_TPLG_PASS_PINS 6
0038be9a 48#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 49#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 50
51#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 52#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 53
583958fa 54/* topology context */
8a978234
LG		 55struct soc_tplg {
56 const struct firmware *fw;
57
58 /* runtime FW parsing */
59 const u8 *pos; /* read postion */
60 const u8 *hdr_pos; /* header position */
61 unsigned int pass; /* pass number */
62
63 /* component caller */
64 struct device *dev;
65 struct snd_soc_component *comp;
66 u32 index; /* current block index */
67 u32 req_index; /* required index, only loaded/free matching blocks */
68
88a17d8f 69 /* vendor specific kcontrol operations */
8a978234
LG		 70 const struct snd_soc_tplg_kcontrol_ops *io_ops;
71 int io_ops_count;
72
1a3232d2
ML		 73 /* vendor specific bytes ext handlers, for TLV bytes controls */
74 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
75 int bytes_ext_ops_count;
76
8a978234
LG		 77 /* optional fw loading callbacks to component drivers */
78 struct snd_soc_tplg_ops *ops;
79};
80
81static int soc_tplg_process_headers(struct soc_tplg *tplg);
82static void soc_tplg_complete(struct soc_tplg *tplg);
3cde818c
AS		 83static void soc_tplg_denum_remove_texts(struct soc_enum *se);
84static void soc_tplg_denum_remove_values(struct soc_enum *se);
8a978234
LG		 85
86/* check we dont overflow the data for this control chunk */
87static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
88 unsigned int count, size_t bytes, const char *elem_type)
89{
90 const u8 *end = tplg->pos + elem_size * count;
91
92 if (end > tplg->fw->data + tplg->fw->size) {
93 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
94 elem_type);
95 return -EINVAL;
96 }
97
98 /* check there is enough room in chunk for control.
99 extra bytes at the end of control are for vendor data here */
100 if (elem_size * count > bytes) {
101 dev_err(tplg->dev,
102 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
103 elem_type, count, elem_size, bytes);
104 return -EINVAL;
105 }
106
107 return 0;
108}
109
110static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
111{
112 const u8 *end = tplg->hdr_pos;
113
114 if (end >= tplg->fw->data + tplg->fw->size)
115 return 1;
116 return 0;
117}
118
119static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
120{
121 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
122}
123
124static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
125{
126 return (unsigned long)(tplg->pos - tplg->fw->data);
127}
128
129/* mapping of Kcontrol types and associated operations. */
130static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
131 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
132 snd_soc_put_volsw, snd_soc_info_volsw},
133 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
134 snd_soc_put_volsw_sx, NULL},
135 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
136 snd_soc_put_enum_double, snd_soc_info_enum_double},
137 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, NULL},
139 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
140 snd_soc_bytes_put, snd_soc_bytes_info},
141 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
142 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
143 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
144 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
145 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
146 snd_soc_put_strobe, NULL},
147 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 148 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 149 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
150 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
151 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, NULL},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
156 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
157};
158
159struct soc_tplg_map {
160 int uid;
161 int kid;
162};
163
164/* mapping of widget types from UAPI IDs to kernel IDs */
165static const struct soc_tplg_map dapm_map[] = {
166 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
167 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
168 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
169 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
170 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
171 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
172 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
173 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
174 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
175 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
176 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
177 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
178 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
179 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
180 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
181 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 182 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
183 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
184 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
185 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
186 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
187 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
188 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
189 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 190};
191
192static int tplc_chan_get_reg(struct soc_tplg *tplg,
193 struct snd_soc_tplg_channel *chan, int map)
194{
195 int i;
196
197 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 198 if (le32_to_cpu(chan[i].id) == map)
199 return le32_to_cpu(chan[i].reg);
8a978234
LG		 200 }
201
202 return -EINVAL;
203}
204
205static int tplc_chan_get_shift(struct soc_tplg *tplg,
206 struct snd_soc_tplg_channel *chan, int map)
207{
208 int i;
209
210 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 211 if (le32_to_cpu(chan[i].id) == map)
212 return le32_to_cpu(chan[i].shift);
8a978234
LG		 213 }
214
215 return -EINVAL;
216}
217
218static int get_widget_id(int tplg_type)
219{
220 int i;
221
222 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
223 if (tplg_type == dapm_map[i].uid)
224 return dapm_map[i].kid;
225 }
226
227 return -EINVAL;
228}
229
8a978234
LG		 230static inline void soc_bind_err(struct soc_tplg *tplg,
231 struct snd_soc_tplg_ctl_hdr *hdr, int index)
232{
233 dev_err(tplg->dev,
234 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
235 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
236 soc_tplg_get_offset(tplg));
237}
238
239static inline void soc_control_err(struct soc_tplg *tplg,
240 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
241{
242 dev_err(tplg->dev,
243 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
244 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
245 soc_tplg_get_offset(tplg));
246}
247
248/* pass vendor data to component driver for processing */
c2cbd0a7
KJ		 249static int soc_tplg_vendor_load(struct soc_tplg *tplg,
250 struct snd_soc_tplg_hdr *hdr)
8a978234
LG		 251{
252 int ret = 0;
253
c42464a4 254 if (tplg->ops && tplg->ops->vendor_load)
c60b613a 255 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 256 else {
257 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
258 hdr->vendor_type);
259 return -EINVAL;
260 }
261
262 if (ret < 0)
263 dev_err(tplg->dev,
264 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
265 soc_tplg_get_hdr_offset(tplg),
266 soc_tplg_get_hdr_offset(tplg),
267 hdr->type, hdr->vendor_type);
268 return ret;
269}
270
8a978234
LG		 271/* optionally pass new dynamic widget to component driver. This is mainly for
272 * external widgets where we can assign private data/ops */
273static int soc_tplg_widget_load(struct soc_tplg *tplg,
274 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
275{
c42464a4 276 if (tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 277 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
278 tplg_w);
8a978234
LG		 279
280 return 0;
281}
282
ebd259d3
LG		 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_ready(struct soc_tplg *tplg,
286 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
287{
c42464a4 288 if (tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 289 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
290 tplg_w);
ebd259d3
LG		 291
292 return 0;
293}
294
183b8021 295/* pass DAI configurations to component driver for extra initialization */
64527e8a 296static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 297 struct snd_soc_dai_driver *dai_drv,
298 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 299{
c42464a4 300 if (tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 301 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
302 pcm, dai);
8a978234
LG		 303
304 return 0;
305}
306
183b8021 307/* pass link configurations to component driver for extra initialization */
acfc7d46 308static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 309 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46 310{
c42464a4 311 if (tplg->ops && tplg->ops->link_load)
c60b613a 312 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 313
314 return 0;
315}
316
8a978234
LG		 317/* tell the component driver that all firmware has been loaded in this request */
318static void soc_tplg_complete(struct soc_tplg *tplg)
319{
c42464a4 320 if (tplg->ops && tplg->ops->complete)
8a978234
LG		 321 tplg->ops->complete(tplg->comp);
322}
323
324/* add a dynamic kcontrol */
325static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
326 const struct snd_kcontrol_new *control_new, const char *prefix,
327 void *data, struct snd_kcontrol **kcontrol)
328{
329 int err;
330
331 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
332 if (*kcontrol == NULL) {
333 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
334 control_new->name);
335 return -ENOMEM;
336 }
337
338 err = snd_ctl_add(card, *kcontrol);
339 if (err < 0) {
340 dev_err(dev, "ASoC: Failed to add %s: %d\n",
341 control_new->name, err);
342 return err;
343 }
344
345 return 0;
346}
347
348/* add a dynamic kcontrol for component driver */
349static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
350 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
351{
352 struct snd_soc_component *comp = tplg->comp;
353
354 return soc_tplg_add_dcontrol(comp->card->snd_card,
abca9e4a 355 comp->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 356}
357
358/* remove a mixer kcontrol */
359static void remove_mixer(struct snd_soc_component *comp,
360 struct snd_soc_dobj *dobj, int pass)
361{
362 struct snd_card *card = comp->card->snd_card;
363 struct soc_mixer_control *sm =
364 container_of(dobj, struct soc_mixer_control, dobj);
365 const unsigned int *p = NULL;
366
367 if (pass != SOC_TPLG_PASS_MIXER)
368 return;
369
370 if (dobj->ops && dobj->ops->control_unload)
371 dobj->ops->control_unload(comp, dobj);
372
33ae6ae2
AS		 373 if (dobj->control.kcontrol->tlv.p)
374 p = dobj->control.kcontrol->tlv.p;
375 snd_ctl_remove(card, dobj->control.kcontrol);
376 list_del(&dobj->list);
8a978234
LG		 377 kfree(sm);
378 kfree(p);
379}
380
381/* remove an enum kcontrol */
382static void remove_enum(struct snd_soc_component *comp,
383 struct snd_soc_dobj *dobj, int pass)
384{
385 struct snd_card *card = comp->card->snd_card;
386 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
8a978234
LG		 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
33ae6ae2
AS		 394 snd_ctl_remove(card, dobj->control.kcontrol);
395 list_del(&dobj->list);
8a978234 396
3cde818c
AS		 397 soc_tplg_denum_remove_values(se);
398 soc_tplg_denum_remove_texts(se);
8a978234
LG		 399 kfree(se);
400}
401
402/* remove a byte kcontrol */
403static void remove_bytes(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_bytes_ext *sb =
408 container_of(dobj, struct soc_bytes_ext, dobj);
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
33ae6ae2
AS		 416 snd_ctl_remove(card, dobj->control.kcontrol);
417 list_del(&dobj->list);
8a978234
LG		 418 kfree(sb);
419}
420
7df04ea7
RS		 421/* remove a route */
422static void remove_route(struct snd_soc_component *comp,
423 struct snd_soc_dobj *dobj, int pass)
424{
425 struct snd_soc_dapm_route *route =
426 container_of(dobj, struct snd_soc_dapm_route, dobj);
427
428 if (pass != SOC_TPLG_PASS_GRAPH)
429 return;
430
431 if (dobj->ops && dobj->ops->dapm_route_unload)
432 dobj->ops->dapm_route_unload(comp, dobj);
433
434 list_del(&dobj->list);
435 kfree(route);
436}
437
8a978234
LG		 438/* remove a widget and it's kcontrols - routes must be removed first */
439static void remove_widget(struct snd_soc_component *comp,
440 struct snd_soc_dobj *dobj, int pass)
441{
442 struct snd_card *card = comp->card->snd_card;
443 struct snd_soc_dapm_widget *w =
444 container_of(dobj, struct snd_soc_dapm_widget, dobj);
445 int i;
446
447 if (pass != SOC_TPLG_PASS_WIDGET)
448 return;
449
450 if (dobj->ops && dobj->ops->widget_unload)
451 dobj->ops->widget_unload(comp, dobj);
452
05bdcf12
LG		 453 if (!w->kcontrols)
454 goto free_news;
455
8a978234 456 /*
1a7dd6e2 457 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
8a978234
LG		 458 * The enum may either have an array of values or strings.
459 */
eea3dd4f 460 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
8a978234 461 /* enumerated widget mixer */
f53c4c20 462 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
1a7dd6e2
ML		 463 struct snd_kcontrol *kcontrol = w->kcontrols[i];
464 struct soc_enum *se =
465 (struct soc_enum *)kcontrol->private_value;
8a978234 466
1a7dd6e2 467 snd_ctl_remove(card, kcontrol);
8a978234 468
54f8844e 469 /* free enum kcontrol's dvalues and dtexts */
3cde818c
AS		 470 soc_tplg_denum_remove_values(se);
471 soc_tplg_denum_remove_texts(se);
8a978234 472
1a7dd6e2 473 kfree(se);
267e2c6f 474 kfree(w->kcontrol_news[i].name);
1a7dd6e2 475 }
8a978234 476 } else {
eea3dd4f 477 /* volume mixer or bytes controls */
f53c4c20 478 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
8a978234 479 struct snd_kcontrol *kcontrol = w->kcontrols[i];
8a978234 480
eea3dd4f
ML		 481 if (dobj->widget.kcontrol_type
482 == SND_SOC_TPLG_TYPE_MIXER)
483 kfree(kcontrol->tlv.p);
8a978234 484
eea3dd4f
ML		 485 /* Private value is used as struct soc_mixer_control
486 * for volume mixers or soc_bytes_ext for bytes
487 * controls.
488 */
489 kfree((void *)kcontrol->private_value);
c2b36129 490 snd_ctl_remove(card, kcontrol);
267e2c6f 491 kfree(w->kcontrol_news[i].name);
8a978234 492 }
8a978234 493 }
05bdcf12
LG		 494
495free_news:
496 kfree(w->kcontrol_news);
497
a46e8393
AS		 498 list_del(&dobj->list);
499
8a978234
LG		 500 /* widget w is freed by soc-dapm.c */
501}
502
64527e8a
ML		 503/* remove DAI configurations */
504static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 505 struct snd_soc_dobj *dobj, int pass)
506{
64527e8a
ML		 507 struct snd_soc_dai_driver *dai_drv =
508 container_of(dobj, struct snd_soc_dai_driver, dobj);
52abe6cc 509 struct snd_soc_dai *dai;
64527e8a 510
8a978234
LG		 511 if (pass != SOC_TPLG_PASS_PCM_DAI)
512 return;
513
64527e8a
ML		 514 if (dobj->ops && dobj->ops->dai_unload)
515 dobj->ops->dai_unload(comp, dobj);
8a978234 516
43ca5dab 517 for_each_component_dais(comp, dai)
52abe6cc
GL		 518 if (dai->driver == dai_drv)
519 dai->driver = NULL;
520
7b6f68a4
B		 521 kfree(dai_drv->playback.stream_name);
522 kfree(dai_drv->capture.stream_name);
8f27c4ab 523 kfree(dai_drv->name);
8a978234 524 list_del(&dobj->list);
64527e8a 525 kfree(dai_drv);
8a978234
LG		 526}
527
acfc7d46
ML		 528/* remove link configurations */
529static void remove_link(struct snd_soc_component *comp,
530 struct snd_soc_dobj *dobj, int pass)
531{
532 struct snd_soc_dai_link *link =
533 container_of(dobj, struct snd_soc_dai_link, dobj);
534
535 if (pass != SOC_TPLG_PASS_PCM_DAI)
536 return;
537
538 if (dobj->ops && dobj->ops->link_unload)
539 dobj->ops->link_unload(comp, dobj);
540
dd836ddf 541 list_del(&dobj->list);
50cd9b53
KM		 542 snd_soc_remove_pcm_runtime(comp->card,
543 snd_soc_get_pcm_runtime(comp->card, link));
dd836ddf 544
8f27c4ab
ML		 545 kfree(link->name);
546 kfree(link->stream_name);
23b946ce 547 kfree(link->cpus->dai_name);
acfc7d46
ML		 548 kfree(link);
549}
550
adfebb51
B		 551/* unload dai link */
552static void remove_backend_link(struct snd_soc_component *comp,
553 struct snd_soc_dobj *dobj, int pass)
554{
555 if (pass != SOC_TPLG_PASS_LINK)
556 return;
557
558 if (dobj->ops && dobj->ops->link_unload)
559 dobj->ops->link_unload(comp, dobj);
560
561 /*
562 * We don't free the link here as what remove_link() do since BE
563 * links are not allocated by topology.
564 * We however need to reset the dobj type to its initial values
565 */
566 dobj->type = SND_SOC_DOBJ_NONE;
567 list_del(&dobj->list);
568}
569
8a978234
LG		 570/* bind a kcontrol to it's IO handlers */
571static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
572 struct snd_kcontrol_new *k,
2b5cdb91 573 const struct soc_tplg *tplg)
8a978234 574{
2b5cdb91 575 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 576 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 577 int num_ops, i;
8a978234 578
5aebe7c7 579 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2
ML		 580 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
581 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
582 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
583 struct soc_bytes_ext *sbe;
584 struct snd_soc_tplg_bytes_control *be;
585
586 sbe = (struct soc_bytes_ext *)k->private_value;
587 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
588
589 /* TLV bytes controls need standard kcontrol info handler,
590 * TLV callback and extended put/get handlers.
591 */
f4be978b 592 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 593 k->tlv.c = snd_soc_bytes_tlv_callback;
594
595 ext_ops = tplg->bytes_ext_ops;
596 num_ops = tplg->bytes_ext_ops_count;
597 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 598 if (!sbe->put &&
599 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 600 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 601 if (!sbe->get &&
602 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 603 sbe->get = ext_ops[i].get;
604 }
605
606 if (sbe->put && sbe->get)
607 return 0;
608 else
609 return -EINVAL;
610 }
8a978234 611
88a17d8f 612 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 613 ops = tplg->io_ops;
614 num_ops = tplg->io_ops_count;
8a978234
LG		 615 for (i = 0; i < num_ops; i++) {
616
72bbeda0 617 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 618 k->put = ops[i].put;
72bbeda0 619 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 620 k->get = ops[i].get;
72bbeda0 621 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 622 k->info = ops[i].info;
623 }
624
88a17d8f 625 /* vendor specific handlers found ? */
8a978234
LG		 626 if (k->put && k->get && k->info)
627 return 0;
628
88a17d8f 629 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 630 ops = io_ops;
631 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 632 for (i = 0; i < num_ops; i++) {
8a978234 633
72bbeda0 634 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 635 k->put = ops[i].put;
72bbeda0 636 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 637 k->get = ops[i].get;
72bbeda0 638 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 639 k->info = ops[i].info;
8a978234
LG		 640 }
641
88a17d8f 642 /* standard handlers found ? */
8a978234
LG		 643 if (k->put && k->get && k->info)
644 return 0;
645
646 /* nothing to bind */
647 return -EINVAL;
648}
649
650/* bind a widgets to it's evnt handlers */
651int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
652 const struct snd_soc_tplg_widget_events *events,
653 int num_events, u16 event_type)
654{
655 int i;
656
657 w->event = NULL;
658
659 for (i = 0; i < num_events; i++) {
660 if (event_type == events[i].type) {
661
662 /* found - so assign event */
663 w->event = events[i].event_handler;
664 return 0;
665 }
666 }
667
668 /* not found */
669 return -EINVAL;
670}
671EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
672
673/* optionally pass new dynamic kcontrol to component driver. */
674static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
675 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
676{
c42464a4 677 if (tplg->ops && tplg->ops->control_load)
c60b613a
LG		 678 return tplg->ops->control_load(tplg->comp, tplg->index, k,
679 hdr);
8a978234
LG		 680
681 return 0;
682}
683
8a978234 684
28a87eeb
ML		 685static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
686 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
687{
688 unsigned int item_len = 2 * sizeof(unsigned int);
689 unsigned int *p;
8a978234 690
28a87eeb
ML		 691 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
692 if (!p)
8a978234
LG		 693 return -ENOMEM;
694
28a87eeb
ML		 695 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
696 p[1] = item_len;
5aebe7c7
PLB		 697 p[2] = le32_to_cpu(scale->min);
698 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
699 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 700
701 kc->tlv.p = (void *)p;
702 return 0;
703}
704
705static int soc_tplg_create_tlv(struct soc_tplg *tplg,
706 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
707{
708 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 709 u32 access = le32_to_cpu(tc->access);
28a87eeb 710
5aebe7c7 711 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 712 return 0;
8a978234 713
5aebe7c7 714 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 715 tplg_tlv = &tc->tlv;
5aebe7c7 716 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 717 case SNDRV_CTL_TLVT_DB_SCALE:
718 return soc_tplg_create_tlv_db_scale(tplg, kc,
719 &tplg_tlv->scale);
720
721 /* TODO: add support for other TLV types */
722 default:
723 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
724 tplg_tlv->type);
725 return -EINVAL;
726 }
727 }
8a978234
LG		 728
729 return 0;
730}
731
732static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
733 struct snd_kcontrol_new *kc)
734{
735 kfree(kc->tlv.p);
736}
737
738static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
739 size_t size)
740{
741 struct snd_soc_tplg_bytes_control *be;
742 struct soc_bytes_ext *sbe;
743 struct snd_kcontrol_new kc;
129fc2ba
PLB		 744 int i;
745 int err = 0;
8a978234
LG		 746
747 if (soc_tplg_check_elem_count(tplg,
748 sizeof(struct snd_soc_tplg_bytes_control), count,
749 size, "mixer bytes")) {
750 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
751 count);
752 return -EINVAL;
753 }
754
755 for (i = 0; i < count; i++) {
756 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
757
758 /* validate kcontrol */
759 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
760 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
761 return -EINVAL;
762
763 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
764 if (sbe == NULL)
765 return -ENOMEM;
766
767 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 768 le32_to_cpu(be->priv.size));
8a978234
LG		 769
770 dev_dbg(tplg->dev,
771 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
772 be->hdr.name, be->hdr.access);
773
774 memset(&kc, 0, sizeof(kc));
775 kc.name = be->hdr.name;
776 kc.private_value = (long)sbe;
777 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 778 kc.access = le32_to_cpu(be->hdr.access);
8a978234 779
5aebe7c7 780 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 781 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
782 sbe->dobj.ops = tplg->ops;
783 INIT_LIST_HEAD(&sbe->dobj.list);
784
785 /* map io handlers */
2b5cdb91 786 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 787 if (err) {
788 soc_control_err(tplg, &be->hdr, be->hdr.name);
789 kfree(sbe);
129fc2ba 790 break;
8a978234
LG		 791 }
792
793 /* pass control to driver for optional further init */
794 err = soc_tplg_init_kcontrol(tplg, &kc,
795 (struct snd_soc_tplg_ctl_hdr *)be);
796 if (err < 0) {
797 dev_err(tplg->dev, "ASoC: failed to init %s\n",
798 be->hdr.name);
799 kfree(sbe);
129fc2ba 800 break;
8a978234
LG		 801 }
802
803 /* register control here */
804 err = soc_tplg_add_kcontrol(tplg, &kc,
805 &sbe->dobj.control.kcontrol);
806 if (err < 0) {
807 dev_err(tplg->dev, "ASoC: failed to add %s\n",
808 be->hdr.name);
809 kfree(sbe);
129fc2ba 810 break;
8a978234
LG		 811 }
812
813 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
814 }
129fc2ba 815 return err;
8a978234
LG		 816
817}
818
819static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
820 size_t size)
821{
822 struct snd_soc_tplg_mixer_control *mc;
823 struct soc_mixer_control *sm;
824 struct snd_kcontrol_new kc;
129fc2ba
PLB		 825 int i;
826 int err = 0;
8a978234
LG		 827
828 if (soc_tplg_check_elem_count(tplg,
829 sizeof(struct snd_soc_tplg_mixer_control),
830 count, size, "mixers")) {
831
832 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
833 count);
834 return -EINVAL;
835 }
836
837 for (i = 0; i < count; i++) {
838 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
839
840 /* validate kcontrol */
841 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
842 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
843 return -EINVAL;
844
845 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
846 if (sm == NULL)
847 return -ENOMEM;
848 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 849 le32_to_cpu(mc->priv.size));
8a978234
LG		 850
851 dev_dbg(tplg->dev,
852 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
853 mc->hdr.name, mc->hdr.access);
854
855 memset(&kc, 0, sizeof(kc));
856 kc.name = mc->hdr.name;
857 kc.private_value = (long)sm;
858 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 859 kc.access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 860
861 /* we only support FL/FR channel mapping atm */
862 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
863 SNDRV_CHMAP_FL);
864 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
865 SNDRV_CHMAP_FR);
866 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
867 SNDRV_CHMAP_FL);
868 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
869 SNDRV_CHMAP_FR);
870
5aebe7c7
PLB		 871 sm->max = le32_to_cpu(mc->max);
872 sm->min = le32_to_cpu(mc->min);
873 sm->invert = le32_to_cpu(mc->invert);
874 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 875 sm->dobj.index = tplg->index;
876 sm->dobj.ops = tplg->ops;
877 sm->dobj.type = SND_SOC_DOBJ_MIXER;
878 INIT_LIST_HEAD(&sm->dobj.list);
879
880 /* map io handlers */
2b5cdb91 881 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 882 if (err) {
883 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
884 kfree(sm);
129fc2ba 885 break;
8a978234
LG		 886 }
887
3789debf 888 /* create any TLV data */
482db55a
AS		 889 err = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
890 if (err < 0) {
891 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
892 mc->hdr.name);
893 kfree(sm);
129fc2ba 894 break;
482db55a 895 }
3789debf 896
8a978234
LG		 897 /* pass control to driver for optional further init */
898 err = soc_tplg_init_kcontrol(tplg, &kc,
899 (struct snd_soc_tplg_ctl_hdr *) mc);
900 if (err < 0) {
901 dev_err(tplg->dev, "ASoC: failed to init %s\n",
902 mc->hdr.name);
3789debf 903 soc_tplg_free_tlv(tplg, &kc);
8a978234 904 kfree(sm);
129fc2ba 905 break;
8a978234
LG		 906 }
907
8a978234
LG		 908 /* register control here */
909 err = soc_tplg_add_kcontrol(tplg, &kc,
910 &sm->dobj.control.kcontrol);
911 if (err < 0) {
912 dev_err(tplg->dev, "ASoC: failed to add %s\n",
913 mc->hdr.name);
914 soc_tplg_free_tlv(tplg, &kc);
915 kfree(sm);
129fc2ba 916 break;
8a978234
LG		 917 }
918
919 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
920 }
921
129fc2ba 922 return err;
8a978234
LG		 923}
924
925static int soc_tplg_denum_create_texts(struct soc_enum *se,
926 struct snd_soc_tplg_enum_control *ec)
927{
928 int i, ret;
929
930 se->dobj.control.dtexts =
5aebe7c7 931 kcalloc(le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 932 if (se->dobj.control.dtexts == NULL)
933 return -ENOMEM;
934
72bbeda0 935 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 936
937 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
938 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
939 ret = -EINVAL;
940 goto err;
941 }
942
943 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
944 if (!se->dobj.control.dtexts[i]) {
945 ret = -ENOMEM;
946 goto err;
947 }
948 }
949
3cde818c 950 se->items = le32_to_cpu(ec->items);
b6e38b29 951 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 952 return 0;
953
954err:
3cde818c
AS		 955 se->items = i;
956 soc_tplg_denum_remove_texts(se);
957 return ret;
958}
959
960static inline void soc_tplg_denum_remove_texts(struct soc_enum *se)
961{
962 int i = se->items;
963
8a978234
LG		 964 for (--i; i >= 0; i--)
965 kfree(se->dobj.control.dtexts[i]);
966 kfree(se->dobj.control.dtexts);
8a978234
LG		 967}
968
969static int soc_tplg_denum_create_values(struct soc_enum *se,
970 struct snd_soc_tplg_enum_control *ec)
971{
5aebe7c7
PLB		 972 int i;
973
974 if (le32_to_cpu(ec->items) > sizeof(*ec->values))
8a978234
LG		 975 return -EINVAL;
976
5aebe7c7
PLB		 977 se->dobj.control.dvalues = kzalloc(le32_to_cpu(ec->items) *
978 sizeof(u32),
376c0afe 979 GFP_KERNEL);
8a978234
LG		 980 if (!se->dobj.control.dvalues)
981 return -ENOMEM;
982
5aebe7c7
PLB		 983 /* convert from little-endian */
984 for (i = 0; i < le32_to_cpu(ec->items); i++) {
985 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
986 }
987
8a978234
LG		 988 return 0;
989}
990
3cde818c
AS		 991static inline void soc_tplg_denum_remove_values(struct soc_enum *se)
992{
993 kfree(se->dobj.control.dvalues);
994}
995
8a978234
LG		 996static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
997 size_t size)
998{
999 struct snd_soc_tplg_enum_control *ec;
1000 struct soc_enum *se;
1001 struct snd_kcontrol_new kc;
129fc2ba
PLB		 1002 int i;
1003 int err = 0;
8a978234
LG		 1004
1005 if (soc_tplg_check_elem_count(tplg,
1006 sizeof(struct snd_soc_tplg_enum_control),
1007 count, size, "enums")) {
1008
1009 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
1010 count);
1011 return -EINVAL;
1012 }
1013
1014 for (i = 0; i < count; i++) {
1015 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234
LG		 1016
1017 /* validate kcontrol */
1018 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1019 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1020 return -EINVAL;
1021
1022 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1023 if (se == NULL)
1024 return -ENOMEM;
1025
02b64245 1026 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
5aebe7c7 1027 le32_to_cpu(ec->priv.size));
02b64245 1028
8a978234
LG		 1029 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1030 ec->hdr.name, ec->items);
1031
1032 memset(&kc, 0, sizeof(kc));
1033 kc.name = ec->hdr.name;
1034 kc.private_value = (long)se;
1035 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 1036 kc.access = le32_to_cpu(ec->hdr.access);
8a978234
LG		 1037
1038 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1039 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1040 SNDRV_CHMAP_FL);
1041 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1042 SNDRV_CHMAP_FL);
1043
5aebe7c7 1044 se->mask = le32_to_cpu(ec->mask);
8a978234
LG		 1045 se->dobj.index = tplg->index;
1046 se->dobj.type = SND_SOC_DOBJ_ENUM;
1047 se->dobj.ops = tplg->ops;
1048 INIT_LIST_HEAD(&se->dobj.list);
1049
5aebe7c7 1050 switch (le32_to_cpu(ec->hdr.ops.info)) {
8a978234
LG		 1051 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1052 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1053 err = soc_tplg_denum_create_values(se, ec);
1054 if (err < 0) {
1055 dev_err(tplg->dev,
1056 "ASoC: could not create values for %s\n",
1057 ec->hdr.name);
129fc2ba 1058 goto err_denum;
8a978234 1059 }
df561f66 1060 fallthrough;
8a978234
LG		 1061 case SND_SOC_TPLG_CTL_ENUM:
1062 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1063 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1064 err = soc_tplg_denum_create_texts(se, ec);
1065 if (err < 0) {
1066 dev_err(tplg->dev,
1067 "ASoC: could not create texts for %s\n",
1068 ec->hdr.name);
129fc2ba 1069 goto err_denum;
8a978234
LG		 1070 }
1071 break;
1072 default:
129fc2ba 1073 err = -EINVAL;
8a978234
LG		 1074 dev_err(tplg->dev,
1075 "ASoC: invalid enum control type %d for %s\n",
1076 ec->hdr.ops.info, ec->hdr.name);
129fc2ba 1077 goto err_denum;
8a978234
LG		 1078 }
1079
1080 /* map io handlers */
2b5cdb91 1081 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1082 if (err) {
1083 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
129fc2ba 1084 goto err_denum;
8a978234
LG		 1085 }
1086
1087 /* pass control to driver for optional further init */
1088 err = soc_tplg_init_kcontrol(tplg, &kc,
1089 (struct snd_soc_tplg_ctl_hdr *) ec);
1090 if (err < 0) {
1091 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1092 ec->hdr.name);
129fc2ba 1093 goto err_denum;
8a978234
LG		 1094 }
1095
1096 /* register control here */
129fc2ba
PLB		 1097 err = soc_tplg_add_kcontrol(tplg,
1098 &kc, &se->dobj.control.kcontrol);
1099 if (err < 0) {
8a978234
LG		 1100 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1101 ec->hdr.name);
129fc2ba 1102 goto err_denum;
8a978234
LG		 1103 }
1104
1105 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1106 }
952bd937
PLB		 1107 return 0;
1108
129fc2ba 1109err_denum:
952bd937 1110 kfree(se);
129fc2ba 1111 return err;
8a978234
LG		 1112}
1113
1114static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1115 struct snd_soc_tplg_hdr *hdr)
1116{
1117 struct snd_soc_tplg_ctl_hdr *control_hdr;
2ae548f3 1118 int ret;
8a978234
LG		 1119 int i;
1120
8a978234
LG		 1121 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1122 soc_tplg_get_offset(tplg));
1123
5aebe7c7 1124 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
8a978234
LG		 1125
1126 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1127
5aebe7c7 1128 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1129 dev_err(tplg->dev, "ASoC: invalid control size\n");
1130 return -EINVAL;
1131 }
1132
5aebe7c7 1133 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1134 case SND_SOC_TPLG_CTL_VOLSW:
1135 case SND_SOC_TPLG_CTL_STROBE:
1136 case SND_SOC_TPLG_CTL_VOLSW_SX:
1137 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1138 case SND_SOC_TPLG_CTL_RANGE:
1139 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1140 case SND_SOC_TPLG_DAPM_CTL_PIN:
2ae548f3
AS		 1141 ret = soc_tplg_dmixer_create(tplg, 1,
1142 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1143 break;
1144 case SND_SOC_TPLG_CTL_ENUM:
1145 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1146 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1147 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1148 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
2ae548f3
AS		 1149 ret = soc_tplg_denum_create(tplg, 1,
1150 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1151 break;
1152 case SND_SOC_TPLG_CTL_BYTES:
2ae548f3
AS		 1153 ret = soc_tplg_dbytes_create(tplg, 1,
1154 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1155 break;
1156 default:
1157 soc_bind_err(tplg, control_hdr, i);
1158 return -EINVAL;
1159 }
2ae548f3
AS		 1160 if (ret < 0) {
1161 dev_err(tplg->dev, "ASoC: invalid control\n");
1162 return ret;
1163 }
1164
8a978234
LG		 1165 }
1166
1167 return 0;
1168}
1169
503e79b7
LG		 1170/* optionally pass new dynamic kcontrol to component driver. */
1171static int soc_tplg_add_route(struct soc_tplg *tplg,
1172 struct snd_soc_dapm_route *route)
1173{
c42464a4 1174 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1175 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1176 route);
1177
1178 return 0;
1179}
1180
8a978234
LG		 1181static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1182 struct snd_soc_tplg_hdr *hdr)
1183{
1184 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1185 struct snd_soc_tplg_dapm_graph_elem *elem;
7df04ea7 1186 struct snd_soc_dapm_route **routes;
5aebe7c7 1187 int count, i, j;
7df04ea7 1188 int ret = 0;
8a978234 1189
5aebe7c7
PLB		 1190 count = le32_to_cpu(hdr->count);
1191
8a978234
LG		 1192 if (soc_tplg_check_elem_count(tplg,
1193 sizeof(struct snd_soc_tplg_dapm_graph_elem),
5aebe7c7 1194 count, le32_to_cpu(hdr->payload_size), "graph")) {
8a978234
LG		 1195
1196 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1197 count);
1198 return -EINVAL;
1199 }
1200
b75a6511
LG		 1201 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1202 hdr->index);
8a978234 1203
7df04ea7
RS		 1204 /* allocate memory for pointer to array of dapm routes */
1205 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1206 GFP_KERNEL);
1207 if (!routes)
1208 return -ENOMEM;
1209
1210 /*
1211 * allocate memory for each dapm route in the array.
1212 * This needs to be done individually so that
1213 * each route can be freed when it is removed in remove_route().
1214 */
1215 for (i = 0; i < count; i++) {
1216 routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL);
1217 if (!routes[i]) {
1218 /* free previously allocated memory */
1219 for (j = 0; j < i; j++)
1220 kfree(routes[j]);
1221
1222 kfree(routes);
1223 return -ENOMEM;
1224 }
1225 }
1226
8a978234
LG		 1227 for (i = 0; i < count; i++) {
1228 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1229 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1230
1231 /* validate routes */
1232 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1233 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1234 ret = -EINVAL;
1235 break;
1236 }
8a978234 1237 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1238 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1239 ret = -EINVAL;
1240 break;
1241 }
8a978234 1242 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1243 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1244 ret = -EINVAL;
1245 break;
1246 }
1247
1248 routes[i]->source = elem->source;
1249 routes[i]->sink = elem->sink;
8a978234 1250
7df04ea7
RS		 1251 /* set to NULL atm for tplg users */
1252 routes[i]->connected = NULL;
8a978234 1253 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1254 routes[i]->control = NULL;
8a978234 1255 else
7df04ea7
RS		 1256 routes[i]->control = elem->control;
1257
1258 /* add route dobj to dobj_list */
1259 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1260 routes[i]->dobj.ops = tplg->ops;
1261 routes[i]->dobj.index = tplg->index;
1262 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1263
6856e887 1264 ret = soc_tplg_add_route(tplg, routes[i]);
6f0307df 1265 if (ret < 0) {
8bf9475f 1266 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6f0307df
PLB		 1267 /*
1268 * this route was added to the list, it will
1269 * be freed in remove_route() so increment the
1270 * counter to skip it in the error handling
1271 * below.
1272 */
1273 i++;
6856e887 1274 break;
6f0307df 1275 }
503e79b7 1276
8a978234 1277 /* add route, but keep going if some fail */
7df04ea7 1278 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1279 }
1280
6f0307df
PLB		 1281 /*
1282 * free memory allocated for all dapm routes not added to the
1283 * list in case of error
1284 */
1285 if (ret < 0) {
1286 while (i < count)
1287 kfree(routes[i++]);
1288 }
7df04ea7
RS		 1289
1290 /*
1291 * free pointer to array of dapm routes as this is no longer needed.
1292 * The memory allocated for each dapm route will be freed
1293 * when it is removed in remove_route().
1294 */
1295 kfree(routes);
1296
1297 return ret;
8a978234
LG		 1298}
1299
1300static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1301 struct soc_tplg *tplg, int num_kcontrols)
1302{
1303 struct snd_kcontrol_new *kc;
1304 struct soc_mixer_control *sm;
1305 struct snd_soc_tplg_mixer_control *mc;
1306 int i, err;
1307
4ca7deb1 1308 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1309 if (kc == NULL)
1310 return NULL;
1311
1312 for (i = 0; i < num_kcontrols; i++) {
1313 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1314
8a978234
LG		 1315 /* validate kcontrol */
1316 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1317 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a
AS		 1318 goto err_sm;
1319
1320 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1321 if (sm == NULL)
1322 goto err_sm;
8a978234 1323
02b64245 1324 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 1325 le32_to_cpu(mc->priv.size));
02b64245 1326
8a978234
LG		 1327 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1328 mc->hdr.name, i);
1329
1ad741d0 1330 kc[i].private_value = (long)sm;
267e2c6f
LG		 1331 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1332 if (kc[i].name == NULL)
9f90af3a 1333 goto err_sm;
8a978234 1334 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1335 kc[i].access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 1336
1337 /* we only support FL/FR channel mapping atm */
1338 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1339 SNDRV_CHMAP_FL);
1340 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1341 SNDRV_CHMAP_FR);
1342 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1343 SNDRV_CHMAP_FL);
1344 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1345 SNDRV_CHMAP_FR);
1346
72bbeda0
PLB		 1347 sm->max = le32_to_cpu(mc->max);
1348 sm->min = le32_to_cpu(mc->min);
1349 sm->invert = le32_to_cpu(mc->invert);
1350 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 1351 sm->dobj.index = tplg->index;
1352 INIT_LIST_HEAD(&sm->dobj.list);
1353
1354 /* map io handlers */
2b5cdb91 1355 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1356 if (err) {
1357 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
9f90af3a 1358 goto err_sm;
8a978234
LG		 1359 }
1360
3789debf 1361 /* create any TLV data */
482db55a
AS		 1362 err = soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1363 if (err < 0) {
1364 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1365 mc->hdr.name);
129fc2ba 1366 goto err_sm;
482db55a 1367 }
3789debf 1368
8a978234
LG		 1369 /* pass control to driver for optional further init */
1370 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1371 (struct snd_soc_tplg_ctl_hdr *)mc);
1372 if (err < 0) {
1373 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1374 mc->hdr.name);
9f90af3a 1375 goto err_sm;
8a978234
LG		 1376 }
1377 }
1378 return kc;
1379
9f90af3a
AS		 1380err_sm:
1381 for (; i >= 0; i--) {
8edac489 1382 soc_tplg_free_tlv(tplg, &kc[i]);
9f90af3a
AS		 1383 sm = (struct soc_mixer_control *)kc[i].private_value;
1384 kfree(sm);
267e2c6f
LG		 1385 kfree(kc[i].name);
1386 }
8a978234 1387 kfree(kc);
9f90af3a 1388
8a978234
LG		 1389 return NULL;
1390}
1391
1392static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1393 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1394{
1395 struct snd_kcontrol_new *kc;
1396 struct snd_soc_tplg_enum_control *ec;
1397 struct soc_enum *se;
3cde818c 1398 int i, err;
8a978234 1399
1a7dd6e2 1400 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1401 if (kc == NULL)
1402 return NULL;
1403
1a7dd6e2
ML		 1404 for (i = 0; i < num_kcontrols; i++) {
1405 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1406 /* validate kcontrol */
1407 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1408 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1409 goto err_se;
1a7dd6e2
ML		 1410
1411 se = kzalloc(sizeof(*se), GFP_KERNEL);
1412 if (se == NULL)
9f90af3a 1413 goto err_se;
8a978234 1414
02b64245 1415 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
72bbeda0 1416 le32_to_cpu(ec->priv.size));
02b64245 1417
1a7dd6e2
ML		 1418 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1419 ec->hdr.name);
8a978234 1420
1ad741d0 1421 kc[i].private_value = (long)se;
267e2c6f 1422 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
9f90af3a 1423 if (kc[i].name == NULL)
267e2c6f 1424 goto err_se;
1a7dd6e2 1425 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1426 kc[i].access = le32_to_cpu(ec->hdr.access);
8a978234 1427
1a7dd6e2
ML		 1428 /* we only support FL/FR channel mapping atm */
1429 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1430 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1431 SNDRV_CHMAP_FL);
1432 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1433 SNDRV_CHMAP_FR);
8a978234 1434
72bbeda0
PLB		 1435 se->items = le32_to_cpu(ec->items);
1436 se->mask = le32_to_cpu(ec->mask);
1a7dd6e2 1437 se->dobj.index = tplg->index;
8a978234 1438
5aebe7c7 1439 switch (le32_to_cpu(ec->hdr.ops.info)) {
1a7dd6e2
ML		 1440 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1441 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1442 err = soc_tplg_denum_create_values(se, ec);
1443 if (err < 0) {
1444 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1445 ec->hdr.name);
1446 goto err_se;
1447 }
df561f66 1448 fallthrough;
1a7dd6e2
ML		 1449 case SND_SOC_TPLG_CTL_ENUM:
1450 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1451 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1452 err = soc_tplg_denum_create_texts(se, ec);
1453 if (err < 0) {
1454 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1455 ec->hdr.name);
1456 goto err_se;
1457 }
1458 break;
1459 default:
1460 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1461 ec->hdr.ops.info, ec->hdr.name);
8a978234
LG		 1462 goto err_se;
1463 }
1a7dd6e2
ML		 1464
1465 /* map io handlers */
1466 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1467 if (err) {
1468 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1469 goto err_se;
1470 }
1471
1472 /* pass control to driver for optional further init */
1473 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1474 (struct snd_soc_tplg_ctl_hdr *)ec);
8a978234 1475 if (err < 0) {
1a7dd6e2 1476 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1477 ec->hdr.name);
1478 goto err_se;
1479 }
8a978234
LG		 1480 }
1481
1482 return kc;
1483
1484err_se:
1a7dd6e2
ML		 1485 for (; i >= 0; i--) {
1486 /* free values and texts */
1487 se = (struct soc_enum *)kc[i].private_value;
6d5574ed 1488
9f90af3a
AS		 1489 if (se) {
1490 soc_tplg_denum_remove_values(se);
1491 soc_tplg_denum_remove_texts(se);
1492 }
8a978234 1493
1a7dd6e2 1494 kfree(se);
267e2c6f 1495 kfree(kc[i].name);
1a7dd6e2 1496 }
8a978234
LG		 1497 kfree(kc);
1498
1499 return NULL;
1500}
1501
1502static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
9f90af3a 1503 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1504{
1505 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1506 struct soc_bytes_ext *sbe;
8a978234
LG		 1507 struct snd_kcontrol_new *kc;
1508 int i, err;
1509
9f90af3a 1510 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1511 if (!kc)
1512 return NULL;
1513
9f90af3a 1514 for (i = 0; i < num_kcontrols; i++) {
8a978234
LG		 1515 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1516
1517 /* validate kcontrol */
1518 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1519 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1520 goto err_sbe;
8a978234
LG		 1521
1522 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1523 if (sbe == NULL)
9f90af3a 1524 goto err_sbe;
8a978234
LG		 1525
1526 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 1527 le32_to_cpu(be->priv.size));
8a978234
LG		 1528
1529 dev_dbg(tplg->dev,
1530 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1531 be->hdr.name, be->hdr.access);
1532
1ad741d0 1533 kc[i].private_value = (long)sbe;
267e2c6f 1534 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
9f90af3a
AS		 1535 if (kc[i].name == NULL)
1536 goto err_sbe;
8a978234 1537 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1538 kc[i].access = le32_to_cpu(be->hdr.access);
8a978234 1539
72bbeda0 1540 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 1541 INIT_LIST_HEAD(&sbe->dobj.list);
1542
1543 /* map standard io handlers and check for external handlers */
2b5cdb91 1544 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1545 if (err) {
1546 soc_control_err(tplg, &be->hdr, be->hdr.name);
9f90af3a 1547 goto err_sbe;
8a978234
LG		 1548 }
1549
1550 /* pass control to driver for optional further init */
1551 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1552 (struct snd_soc_tplg_ctl_hdr *)be);
1553 if (err < 0) {
1554 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1555 be->hdr.name);
9f90af3a 1556 goto err_sbe;
8a978234
LG		 1557 }
1558 }
1559
1560 return kc;
1561
9f90af3a
AS		 1562err_sbe:
1563 for (; i >= 0; i--) {
1564 sbe = (struct soc_bytes_ext *)kc[i].private_value;
1565 kfree(sbe);
267e2c6f
LG		 1566 kfree(kc[i].name);
1567 }
8a978234 1568 kfree(kc);
9f90af3a 1569
8a978234
LG		 1570 return NULL;
1571}
1572
1573static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1574 struct snd_soc_tplg_dapm_widget *w)
1575{
1576 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1577 struct snd_soc_dapm_widget template, *widget;
1578 struct snd_soc_tplg_ctl_hdr *control_hdr;
1579 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1580 unsigned int kcontrol_type;
8a978234
LG		 1581 int ret = 0;
1582
1583 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1584 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1585 return -EINVAL;
1586 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1587 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1588 return -EINVAL;
1589
1590 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1591 w->name, w->id);
1592
1593 memset(&template, 0, sizeof(template));
1594
1595 /* map user to kernel widget ID */
5aebe7c7 1596 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1597 if ((int)template.id < 0)
8a978234
LG		 1598 return template.id;
1599
c3421a6a 1600 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1601 template.name = kstrdup(w->name, GFP_KERNEL);
1602 if (!template.name)
1603 return -ENOMEM;
1604 template.sname = kstrdup(w->sname, GFP_KERNEL);
1605 if (!template.sname) {
1606 ret = -ENOMEM;
1607 goto err;
1608 }
5aebe7c7
PLB		 1609 template.reg = le32_to_cpu(w->reg);
1610 template.shift = le32_to_cpu(w->shift);
1611 template.mask = le32_to_cpu(w->mask);
1612 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1613 template.on_val = w->invert ? 0 : 1;
1614 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1615 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1616 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1617 template.dobj.index = tplg->index;
1618
1619 tplg->pos +=
5aebe7c7
PLB		 1620 (sizeof(struct snd_soc_tplg_dapm_widget) +
1621 le32_to_cpu(w->priv.size));
1622
8a978234 1623 if (w->num_kcontrols == 0) {
dd5abb74 1624 kcontrol_type = 0;
8a978234
LG		 1625 template.num_kcontrols = 0;
1626 goto widget;
1627 }
1628
1629 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1630 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1631 w->name, w->num_kcontrols, control_hdr->type);
1632
5aebe7c7 1633 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1634 case SND_SOC_TPLG_CTL_VOLSW:
1635 case SND_SOC_TPLG_CTL_STROBE:
1636 case SND_SOC_TPLG_CTL_VOLSW_SX:
1637 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1638 case SND_SOC_TPLG_CTL_RANGE:
1639 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1640 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
5aebe7c7 1641 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1642 template.kcontrol_news =
1643 soc_tplg_dapm_widget_dmixer_create(tplg,
1644 template.num_kcontrols);
1645 if (!template.kcontrol_news) {
1646 ret = -ENOMEM;
1647 goto hdr_err;
1648 }
1649 break;
1650 case SND_SOC_TPLG_CTL_ENUM:
1651 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1652 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1653 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1654 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1655 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
5aebe7c7 1656 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234 1657 template.kcontrol_news =
1a7dd6e2
ML		 1658 soc_tplg_dapm_widget_denum_create(tplg,
1659 template.num_kcontrols);
8a978234
LG		 1660 if (!template.kcontrol_news) {
1661 ret = -ENOMEM;
1662 goto hdr_err;
1663 }
1664 break;
1665 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1666 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
5aebe7c7 1667 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1668 template.kcontrol_news =
1669 soc_tplg_dapm_widget_dbytes_create(tplg,
1670 template.num_kcontrols);
1671 if (!template.kcontrol_news) {
1672 ret = -ENOMEM;
1673 goto hdr_err;
1674 }
1675 break;
1676 default:
1677 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1678 control_hdr->ops.get, control_hdr->ops.put,
5aebe7c7 1679 le32_to_cpu(control_hdr->ops.info));
8a978234
LG		 1680 ret = -EINVAL;
1681 goto hdr_err;
1682 }
1683
1684widget:
1685 ret = soc_tplg_widget_load(tplg, &template, w);
1686 if (ret < 0)
1687 goto hdr_err;
1688
1689 /* card dapm mutex is held by the core if we are loading topology
1690 * data during sound card init. */
1691 if (card->instantiated)
1692 widget = snd_soc_dapm_new_control(dapm, &template);
1693 else
1694 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1695 if (IS_ERR(widget)) {
1696 ret = PTR_ERR(widget);
8a978234
LG		 1697 goto hdr_err;
1698 }
1699
1700 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1701 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1702 widget->dobj.ops = tplg->ops;
1703 widget->dobj.index = tplg->index;
1704 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1705
1706 ret = soc_tplg_widget_ready(tplg, widget, w);
1707 if (ret < 0)
1708 goto ready_err;
1709
7620fe91
B		 1710 kfree(template.sname);
1711 kfree(template.name);
1712
8a978234
LG		 1713 return 0;
1714
ebd259d3
LG		 1715ready_err:
1716 snd_soc_tplg_widget_remove(widget);
1717 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1718hdr_err:
1719 kfree(template.sname);
1720err:
1721 kfree(template.name);
1722 return ret;
1723}
1724
1725static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1726 struct snd_soc_tplg_hdr *hdr)
1727{
1728 struct snd_soc_tplg_dapm_widget *widget;
5aebe7c7
PLB		 1729 int ret, count, i;
1730
1731 count = le32_to_cpu(hdr->count);
8a978234 1732
8a978234
LG		 1733 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1734
1735 for (i = 0; i < count; i++) {
1736 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
5aebe7c7 1737 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1738 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1739 return -EINVAL;
1740 }
1741
8a978234 1742 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1743 if (ret < 0) {
8a978234
LG		 1744 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1745 widget->name);
7de76b62
ML		 1746 return ret;
1747 }
8a978234
LG		 1748 }
1749
1750 return 0;
1751}
1752
1753static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1754{
1755 struct snd_soc_card *card = tplg->comp->card;
1756 int ret;
1757
1758 /* Card might not have been registered at this point.
1759 * If so, just return success.
1760 */
1761 if (!card || !card->instantiated) {
1762 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1763 " widget card binding deferred\n");
8a978234
LG		 1764 return 0;
1765 }
1766
1767 ret = snd_soc_dapm_new_widgets(card);
1768 if (ret < 0)
1769 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1770 ret);
1771
1772 return 0;
1773}
1774
abc3caac 1775static int set_stream_info(struct snd_soc_pcm_stream *stream,
b6b6e4d6
ML		 1776 struct snd_soc_tplg_stream_caps *caps)
1777{
1778 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
abc3caac
AS		 1779 if (!stream->stream_name)
1780 return -ENOMEM;
1781
5aebe7c7
PLB		 1782 stream->channels_min = le32_to_cpu(caps->channels_min);
1783 stream->channels_max = le32_to_cpu(caps->channels_max);
1784 stream->rates = le32_to_cpu(caps->rates);
1785 stream->rate_min = le32_to_cpu(caps->rate_min);
1786 stream->rate_max = le32_to_cpu(caps->rate_max);
1787 stream->formats = le64_to_cpu(caps->formats);
1788 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1789
1790 return 0;
b6b6e4d6
ML		 1791}
1792
0038be9a
ML		 1793static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1794 unsigned int flag_mask, unsigned int flags)
1795{
1796 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1797 dai_drv->symmetric_rates =
1798 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1799
1800 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1801 dai_drv->symmetric_channels =
1802 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1803 1 : 0;
1804
1805 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1806 dai_drv->symmetric_samplebits =
1807 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1808 1 : 0;
1809}
1810
64527e8a
ML		 1811static int soc_tplg_dai_create(struct soc_tplg *tplg,
1812 struct snd_soc_tplg_pcm *pcm)
1813{
1814 struct snd_soc_dai_driver *dai_drv;
1815 struct snd_soc_pcm_stream *stream;
1816 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1817 struct snd_soc_dai *dai;
1818 struct snd_soc_dapm_context *dapm =
1819 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1820 int ret;
1821
1822 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1823 if (dai_drv == NULL)
1824 return -ENOMEM;
1825
abc3caac 1826 if (strlen(pcm->dai_name)) {
8f27c4ab 1827 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1828 if (!dai_drv->name) {
1829 ret = -ENOMEM;
1830 goto err;
1831 }
1832 }
5aebe7c7 1833 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1834
1835 if (pcm->playback) {
1836 stream = &dai_drv->playback;
1837 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
abc3caac
AS		 1838 ret = set_stream_info(stream, caps);
1839 if (ret < 0)
1840 goto err;
64527e8a
ML		 1841 }
1842
1843 if (pcm->capture) {
1844 stream = &dai_drv->capture;
1845 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
abc3caac
AS		 1846 ret = set_stream_info(stream, caps);
1847 if (ret < 0)
1848 goto err;
64527e8a
ML		 1849 }
1850
5db6aab6
LG		 1851 if (pcm->compress)
1852 dai_drv->compress_new = snd_soc_new_compress;
1853
64527e8a 1854 /* pass control to component driver for optional further init */
c60b613a 1855 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a
ML		 1856 if (ret < 0) {
1857 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
abc3caac 1858 goto err;
64527e8a
ML		 1859 }
1860
1861 dai_drv->dobj.index = tplg->index;
1862 dai_drv->dobj.ops = tplg->ops;
1863 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1864 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1865
1866 /* register the DAI to the component */
6ae4902f 1867 dai = devm_snd_soc_register_dai(tplg->comp->dev, tplg->comp, dai_drv, false);
e443c205
KM		 1868 if (!dai)
1869 return -ENOMEM;
1870
1871 /* Create the DAI widgets here */
1872 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1873 if (ret != 0) {
1874 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
e443c205
KM		 1875 return ret;
1876 }
1877
abc3caac
AS		 1878 return 0;
1879
1880err:
1881 kfree(dai_drv->playback.stream_name);
1882 kfree(dai_drv->capture.stream_name);
1883 kfree(dai_drv->name);
1884 kfree(dai_drv);
1885
e443c205 1886 return ret;
64527e8a
ML		 1887}
1888
717a8e72
ML		 1889static void set_link_flags(struct snd_soc_dai_link *link,
1890 unsigned int flag_mask, unsigned int flags)
1891{
1892 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1893 link->symmetric_rates =
1894 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1895
1896 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1897 link->symmetric_channels =
1898 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1899 1 : 0;
1900
1901 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1902 link->symmetric_samplebits =
1903 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1904 1 : 0;
6ff67cca
ML		 1905
1906 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1907 link->ignore_suspend =
1908 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1909 1 : 0;
717a8e72
ML		 1910}
1911
67d1c21e 1912/* create the FE DAI link */
ab4bc5ee 1913static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1914 struct snd_soc_tplg_pcm *pcm)
1915{
1916 struct snd_soc_dai_link *link;
23b946ce 1917 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1918 int ret;
1919
3e6de894
PLB		 1920 /* link + cpu + codec + platform */
1921 link = kzalloc(sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1922 if (link == NULL)
1923 return -ENOMEM;
1924
23b946ce
KM		 1925 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1926
1927 link->cpus = &dlc[0];
1928 link->codecs = &dlc[1];
3e6de894 1929 link->platforms = &dlc[2];
23b946ce
KM		 1930
1931 link->num_cpus = 1;
1932 link->num_codecs = 1;
3e6de894 1933 link->num_platforms = 1;
23b946ce 1934
8ce1cbd6
JK		 1935 link->dobj.index = tplg->index;
1936 link->dobj.ops = tplg->ops;
1937 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1938
8f27c4ab
ML		 1939 if (strlen(pcm->pcm_name)) {
1940 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1941 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1942 if (!link->name || !link->stream_name) {
1943 ret = -ENOMEM;
1944 goto err;
1945 }
8f27c4ab 1946 }
5aebe7c7 1947 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1948
abc3caac 1949 if (strlen(pcm->dai_name)) {
23b946ce 1950 link->cpus->dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1951 if (!link->cpus->dai_name) {
1952 ret = -ENOMEM;
1953 goto err;
1954 }
1955 }
8f27c4ab 1956
23b946ce
KM		 1957 link->codecs->name = "snd-soc-dummy";
1958 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1959
3e6de894
PLB		 1960 link->platforms->name = "snd-soc-dummy";
1961
67d1c21e
GS		 1962 /* enable DPCM */
1963 link->dynamic = 1;
5aebe7c7
PLB		 1964 link->dpcm_playback = le32_to_cpu(pcm->playback);
1965 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1966 if (pcm->flag_mask)
5aebe7c7
PLB		 1967 set_link_flags(link,
1968 le32_to_cpu(pcm->flag_mask),
1969 le32_to_cpu(pcm->flags));
67d1c21e 1970
acfc7d46 1971 /* pass control to component driver for optional further init */
c60b613a 1972 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46
ML		 1973 if (ret < 0) {
1974 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1975 goto err;
1976 }
1977
2acf6ce2 1978 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036
DT		 1979 if (ret < 0) {
1980 dev_err(tplg->comp->dev, "ASoC: adding FE link failed\n");
1981 goto err;
acfc7d46
ML		 1982 }
1983
acfc7d46
ML		 1984 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1985
acfc7d46 1986 return 0;
76d27036
DT		 1987err:
1988 kfree(link->name);
1989 kfree(link->stream_name);
1990 kfree(link->cpus->dai_name);
1991 kfree(link);
1992 return ret;
acfc7d46
ML		 1993}
1994
1995/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1996static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1997 struct snd_soc_tplg_pcm *pcm)
1998{
acfc7d46
ML		 1999 int ret;
2000
2001 ret = soc_tplg_dai_create(tplg, pcm);
2002 if (ret < 0)
2003 return ret;
2004
ab4bc5ee 2005 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 2006}
2007
55726dc9
ML		 2008/* copy stream caps from the old version 4 of source */
2009static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
2010 struct snd_soc_tplg_stream_caps_v4 *src)
2011{
5aebe7c7 2012 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 2013 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2014 dest->formats = src->formats;
2015 dest->rates = src->rates;
2016 dest->rate_min = src->rate_min;
2017 dest->rate_max = src->rate_max;
2018 dest->channels_min = src->channels_min;
2019 dest->channels_max = src->channels_max;
2020 dest->periods_min = src->periods_min;
2021 dest->periods_max = src->periods_max;
2022 dest->period_size_min = src->period_size_min;
2023 dest->period_size_max = src->period_size_max;
2024 dest->buffer_size_min = src->buffer_size_min;
2025 dest->buffer_size_max = src->buffer_size_max;
2026}
2027
2028/**
2029 * pcm_new_ver - Create the new version of PCM from the old version.
2030 * @tplg: topology context
2031 * @src: older version of pcm as a source
2032 * @pcm: latest version of pcm created from the source
2033 *
2034 * Support from vesion 4. User should free the returned pcm manually.
2035 */
2036static int pcm_new_ver(struct soc_tplg *tplg,
2037 struct snd_soc_tplg_pcm *src,
2038 struct snd_soc_tplg_pcm **pcm)
2039{
2040 struct snd_soc_tplg_pcm *dest;
2041 struct snd_soc_tplg_pcm_v4 *src_v4;
2042 int i;
2043
2044 *pcm = NULL;
2045
5aebe7c7 2046 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 2047 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
2048 return -EINVAL;
2049 }
2050
2051 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
2052 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
2053 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2054 if (!dest)
2055 return -ENOMEM;
2056
5aebe7c7 2057 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 2058 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2059 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2060 dest->pcm_id = src_v4->pcm_id;
2061 dest->dai_id = src_v4->dai_id;
2062 dest->playback = src_v4->playback;
2063 dest->capture = src_v4->capture;
2064 dest->compress = src_v4->compress;
2065 dest->num_streams = src_v4->num_streams;
5aebe7c7 2066 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 2067 memcpy(&dest->stream[i], &src_v4->stream[i],
2068 sizeof(struct snd_soc_tplg_stream));
2069
2070 for (i = 0; i < 2; i++)
2071 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
2072
2073 *pcm = dest;
2074 return 0;
2075}
2076
64527e8a 2077static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 2078 struct snd_soc_tplg_hdr *hdr)
2079{
55726dc9 2080 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 2081 int count;
2082 int size;
fd340455 2083 int i;
55726dc9 2084 bool abi_match;
a3039aef 2085 int ret;
8a978234 2086
5aebe7c7
PLB		 2087 count = le32_to_cpu(hdr->count);
2088
55726dc9
ML		 2089 /* check the element size and count */
2090 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 2091 size = le32_to_cpu(pcm->size);
2092 if (size > sizeof(struct snd_soc_tplg_pcm)
2093 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 2094 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 2095 size);
55726dc9
ML		 2096 return -EINVAL;
2097 }
2098
8a978234 2099 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2100 size, count,
2101 le32_to_cpu(hdr->payload_size),
2102 "PCM DAI")) {
8a978234
LG		 2103 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
2104 count);
2105 return -EINVAL;
2106 }
2107
64527e8a 2108 for (i = 0; i < count; i++) {
55726dc9 2109 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 2110 size = le32_to_cpu(pcm->size);
55726dc9
ML		 2111
2112 /* check ABI version by size, create a new version of pcm
2113 * if abi not match.
2114 */
5aebe7c7 2115 if (size == sizeof(*pcm)) {
55726dc9
ML		 2116 abi_match = true;
2117 _pcm = pcm;
2118 } else {
2119 abi_match = false;
b3677fc3
AS		 2120 ret = pcm_new_ver(tplg, pcm, &_pcm);
2121 if (ret < 0)
2122 return ret;
06eb49f7
ML		 2123 }
2124
55726dc9 2125 /* create the FE DAIs and DAI links */
a3039aef
DT		 2126 ret = soc_tplg_pcm_create(tplg, _pcm);
2127 if (ret < 0) {
2128 if (!abi_match)
2129 kfree(_pcm);
2130 return ret;
2131 }
55726dc9 2132
717a8e72
ML		 2133 /* offset by version-specific struct size and
2134 * real priv data size
2135 */
5aebe7c7 2136 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 2137
55726dc9
ML		 2138 if (!abi_match)
2139 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 2140 }
2141
8a978234 2142 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 2143
8a978234 2144 return 0;
8a978234
LG		 2145}
2146
593d9e52
ML		 2147/**
2148 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 2149 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 2150 * @cfg: physical link configs.
2151 *
2152 * Topology context contains a list of supported HW formats (configs) and
2153 * a default format ID for the physical link. This function will use this
2154 * default ID to choose the HW format to set the link's DAI format for init.
2155 */
2156static void set_link_hw_format(struct snd_soc_dai_link *link,
2157 struct snd_soc_tplg_link_config *cfg)
2158{
2159 struct snd_soc_tplg_hw_config *hw_config;
2160 unsigned char bclk_master, fsync_master;
2161 unsigned char invert_bclk, invert_fsync;
2162 int i;
2163
5aebe7c7 2164 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 2165 hw_config = &cfg->hw_config[i];
2166 if (hw_config->id != cfg->default_hw_config_id)
2167 continue;
2168
5aebe7c7
PLB		 2169 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
2170 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 2171
933e1c4a 2172 /* clock gating */
fbeabd09
KM		 2173 switch (hw_config->clock_gated) {
2174 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 2175 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 2176 break;
2177
2178 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2179 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2180 break;
2181
2182 default:
2183 /* ignore the value */
2184 break;
2185 }
933e1c4a 2186
593d9e52
ML		 2187 /* clock signal polarity */
2188 invert_bclk = hw_config->invert_bclk;
2189 invert_fsync = hw_config->invert_fsync;
2190 if (!invert_bclk && !invert_fsync)
2191 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2192 else if (!invert_bclk && invert_fsync)
2193 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2194 else if (invert_bclk && !invert_fsync)
2195 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2196 else
2197 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2198
2199 /* clock masters */
a941e2fa
KM		 2200 bclk_master = (hw_config->bclk_master ==
2201 SND_SOC_TPLG_BCLK_CM);
2202 fsync_master = (hw_config->fsync_master ==
2203 SND_SOC_TPLG_FSYNC_CM);
2204 if (bclk_master && fsync_master)
593d9e52 2205 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
593d9e52 2206 else if (!bclk_master && fsync_master)
a941e2fa
KM		 2207 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2208 else if (bclk_master && !fsync_master)
593d9e52
ML		 2209 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2210 else
2211 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2212 }
2213}
2214
2215/**
2216 * link_new_ver - Create a new physical link config from the old
2217 * version of source.
8abab35f 2218 * @tplg: topology context
593d9e52
ML		 2219 * @src: old version of phyical link config as a source
2220 * @link: latest version of physical link config created from the source
2221 *
2222 * Support from vesion 4. User need free the returned link config manually.
2223 */
2224static int link_new_ver(struct soc_tplg *tplg,
2225 struct snd_soc_tplg_link_config *src,
2226 struct snd_soc_tplg_link_config **link)
2227{
2228 struct snd_soc_tplg_link_config *dest;
2229 struct snd_soc_tplg_link_config_v4 *src_v4;
2230 int i;
2231
2232 *link = NULL;
2233
5aebe7c7
PLB		 2234 if (le32_to_cpu(src->size) !=
2235 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2236 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2237 return -EINVAL;
2238 }
2239
2240 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2241
2242 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2243 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2244 if (!dest)
2245 return -ENOMEM;
2246
5aebe7c7 2247 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2248 dest->id = src_v4->id;
2249 dest->num_streams = src_v4->num_streams;
5aebe7c7 2250 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2251 memcpy(&dest->stream[i], &src_v4->stream[i],
2252 sizeof(struct snd_soc_tplg_stream));
2253
2254 *link = dest;
2255 return 0;
2256}
2257
d6f31e0e
KM		 2258/**
2259 * snd_soc_find_dai_link - Find a DAI link
2260 *
2261 * @card: soc card
2262 * @id: DAI link ID to match
2263 * @name: DAI link name to match, optional
2264 * @stream_name: DAI link stream name to match, optional
2265 *
2266 * This function will search all existing DAI links of the soc card to
2267 * find the link of the same ID. Since DAI links may not have their
2268 * unique ID, so name and stream name should also match if being
2269 * specified.
2270 *
2271 * Return: pointer of DAI link, or NULL if not found.
2272 */
2273static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2274 int id, const char *name,
2275 const char *stream_name)
2276{
2277 struct snd_soc_pcm_runtime *rtd;
2278 struct snd_soc_dai_link *link;
2279
2280 for_each_card_rtds(card, rtd) {
2281 link = rtd->dai_link;
2282
2283 if (link->id != id)
2284 continue;
2285
2286 if (name && (!link->name || strcmp(name, link->name)))
2287 continue;
2288
2289 if (stream_name && (!link->stream_name
2290 || strcmp(stream_name, link->stream_name)))
2291 continue;
2292
2293 return link;
2294 }
2295
2296 return NULL;
2297}
2298
593d9e52
ML		 2299/* Find and configure an existing physical DAI link */
2300static int soc_tplg_link_config(struct soc_tplg *tplg,
2301 struct snd_soc_tplg_link_config *cfg)
2302{
2303 struct snd_soc_dai_link *link;
2304 const char *name, *stream_name;
dbab1cb8 2305 size_t len;
593d9e52
ML		 2306 int ret;
2307
dbab1cb8
ML		 2308 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2309 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2310 return -EINVAL;
2311 else if (len)
2312 name = cfg->name;
2313 else
2314 name = NULL;
2315
2316 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2317 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2318 return -EINVAL;
2319 else if (len)
2320 stream_name = cfg->stream_name;
2321 else
2322 stream_name = NULL;
593d9e52 2323
5aebe7c7 2324 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2325 name, stream_name);
2326 if (!link) {
2327 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2328 name, cfg->id);
2329 return -EINVAL;
2330 }
2331
2332 /* hw format */
2333 if (cfg->num_hw_configs)
2334 set_link_hw_format(link, cfg);
2335
2336 /* flags */
2337 if (cfg->flag_mask)
5aebe7c7
PLB		 2338 set_link_flags(link,
2339 le32_to_cpu(cfg->flag_mask),
2340 le32_to_cpu(cfg->flags));
593d9e52
ML		 2341
2342 /* pass control to component driver for optional further init */
c60b613a 2343 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2344 if (ret < 0) {
2345 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2346 return ret;
2347 }
2348
adfebb51
B		 2349 /* for unloading it in snd_soc_tplg_component_remove */
2350 link->dobj.index = tplg->index;
2351 link->dobj.ops = tplg->ops;
2352 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2353 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2354
593d9e52
ML		 2355 return 0;
2356}
2357
2358
2359/* Load physical link config elements from the topology context */
2360static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2361 struct snd_soc_tplg_hdr *hdr)
2362{
2363 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2364 int count;
2365 int size;
593d9e52
ML		 2366 int i, ret;
2367 bool abi_match;
2368
5aebe7c7
PLB		 2369 count = le32_to_cpu(hdr->count);
2370
593d9e52
ML		 2371 /* check the element size and count */
2372 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2373 size = le32_to_cpu(link->size);
2374 if (size > sizeof(struct snd_soc_tplg_link_config)
2375 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2376 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2377 size);
593d9e52
ML		 2378 return -EINVAL;
2379 }
2380
2381 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2382 size, count,
2383 le32_to_cpu(hdr->payload_size),
2384 "physical link config")) {
593d9e52
ML		 2385 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2386 count);
2387 return -EINVAL;
2388 }
2389
2390 /* config physical DAI links */
2391 for (i = 0; i < count; i++) {
2392 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2393 size = le32_to_cpu(link->size);
2394 if (size == sizeof(*link)) {
593d9e52
ML		 2395 abi_match = true;
2396 _link = link;
2397 } else {
2398 abi_match = false;
2399 ret = link_new_ver(tplg, link, &_link);
2400 if (ret < 0)
2401 return ret;
2402 }
2403
2404 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2405 if (ret < 0) {
2406 if (!abi_match)
2407 kfree(_link);
593d9e52 2408 return ret;
2b2d5c4d 2409 }
593d9e52
ML		 2410
2411 /* offset by version-specific struct size and
2412 * real priv data size
2413 */
5aebe7c7 2414 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2415
2416 if (!abi_match)
2417 kfree(_link); /* free the duplicated one */
2418 }
2419
2420 return 0;
2421}
2422
9aa3f034
ML		 2423/**
2424 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2425 * @tplg: topology context
9aa3f034 2426 * @d: physical DAI configs.
0038be9a 2427 *
9aa3f034
ML		 2428 * The physical dai should already be registered by the platform driver.
2429 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2430 */
9aa3f034
ML		 2431static int soc_tplg_dai_config(struct soc_tplg *tplg,
2432 struct snd_soc_tplg_dai *d)
0038be9a 2433{
5aebe7c7 2434 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2435 struct snd_soc_dai *dai;
2436 struct snd_soc_dai_driver *dai_drv;
2437 struct snd_soc_pcm_stream *stream;
2438 struct snd_soc_tplg_stream_caps *caps;
2439 int ret;
2440
5aebe7c7
PLB		 2441 memset(&dai_component, 0, sizeof(dai_component));
2442
9aa3f034 2443 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2444 dai = snd_soc_find_dai(&dai_component);
2445 if (!dai) {
9aa3f034
ML		 2446 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2447 d->dai_name);
0038be9a
ML		 2448 return -EINVAL;
2449 }
2450
5aebe7c7 2451 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2452 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2453 d->dai_name);
0038be9a
ML		 2454 return -EINVAL;
2455 }
2456
2457 dai_drv = dai->driver;
2458 if (!dai_drv)
2459 return -EINVAL;
2460
9aa3f034 2461 if (d->playback) {
0038be9a 2462 stream = &dai_drv->playback;
9aa3f034 2463 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
abc3caac
AS		 2464 ret = set_stream_info(stream, caps);
2465 if (ret < 0)
2466 goto err;
0038be9a
ML		 2467 }
2468
9aa3f034 2469 if (d->capture) {
0038be9a 2470 stream = &dai_drv->capture;
9aa3f034 2471 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
abc3caac
AS		 2472 ret = set_stream_info(stream, caps);
2473 if (ret < 0)
2474 goto err;
0038be9a
ML		 2475 }
2476
9aa3f034 2477 if (d->flag_mask)
5aebe7c7
PLB		 2478 set_dai_flags(dai_drv,
2479 le32_to_cpu(d->flag_mask),
2480 le32_to_cpu(d->flags));
0038be9a
ML		 2481
2482 /* pass control to component driver for optional further init */
c60b613a 2483 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a
ML		 2484 if (ret < 0) {
2485 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
abc3caac 2486 goto err;
0038be9a
ML		 2487 }
2488
2489 return 0;
abc3caac
AS		 2490
2491err:
2492 kfree(dai_drv->playback.stream_name);
2493 kfree(dai_drv->capture.stream_name);
2494 return ret;
0038be9a
ML		 2495}
2496
9aa3f034
ML		 2497/* load physical DAI elements */
2498static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2499 struct snd_soc_tplg_hdr *hdr)
0038be9a 2500{
9aa3f034 2501 struct snd_soc_tplg_dai *dai;
5aebe7c7 2502 int count;
dd8e871d 2503 int i, ret;
0038be9a 2504
5aebe7c7
PLB		 2505 count = le32_to_cpu(hdr->count);
2506
0038be9a
ML		 2507 /* config the existing BE DAIs */
2508 for (i = 0; i < count; i++) {
9aa3f034 2509 dai = (struct snd_soc_tplg_dai *)tplg->pos;
5aebe7c7 2510 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2511 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2512 return -EINVAL;
2513 }
2514
dd8e871d
AS		 2515 ret = soc_tplg_dai_config(tplg, dai);
2516 if (ret < 0) {
2517 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2518 return ret;
2519 }
2520
5aebe7c7 2521 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2522 }
2523
2524 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2525 return 0;
2526}
2527
583958fa
ML		 2528/**
2529 * manifest_new_ver - Create a new version of manifest from the old version
2530 * of source.
8abab35f 2531 * @tplg: topology context
583958fa
ML		 2532 * @src: old version of manifest as a source
2533 * @manifest: latest version of manifest created from the source
2534 *
2535 * Support from vesion 4. Users need free the returned manifest manually.
2536 */
2537static int manifest_new_ver(struct soc_tplg *tplg,
2538 struct snd_soc_tplg_manifest *src,
2539 struct snd_soc_tplg_manifest **manifest)
2540{
2541 struct snd_soc_tplg_manifest *dest;
2542 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2543 int size;
583958fa
ML		 2544
2545 *manifest = NULL;
2546
5aebe7c7
PLB		 2547 size = le32_to_cpu(src->size);
2548 if (size != sizeof(*src_v4)) {
ac9391da 2549 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2550 size);
2551 if (size)
ac9391da 2552 return -EINVAL;
5aebe7c7 2553 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2554 }
2555
2556 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2557
2558 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2559 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2560 GFP_KERNEL);
583958fa
ML		 2561 if (!dest)
2562 return -ENOMEM;
2563
5aebe7c7 2564 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2565 dest->control_elems = src_v4->control_elems;
2566 dest->widget_elems = src_v4->widget_elems;
2567 dest->graph_elems = src_v4->graph_elems;
2568 dest->pcm_elems = src_v4->pcm_elems;
2569 dest->dai_link_elems = src_v4->dai_link_elems;
2570 dest->priv.size = src_v4->priv.size;
2571 if (dest->priv.size)
2572 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2573 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2574
2575 *manifest = dest;
2576 return 0;
2577}
0038be9a 2578
8a978234 2579static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2580 struct snd_soc_tplg_hdr *hdr)
8a978234 2581{
583958fa
ML		 2582 struct snd_soc_tplg_manifest *manifest, *_manifest;
2583 bool abi_match;
242c46c0 2584 int ret = 0;
8a978234 2585
8a978234 2586 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2587
583958fa 2588 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2589 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2590 abi_match = true;
2591 _manifest = manifest;
2592 } else {
2593 abi_match = false;
242c46c0
DT		 2594 ret = manifest_new_ver(tplg, manifest, &_manifest);
2595 if (ret < 0)
2596 return ret;
583958fa 2597 }
8a978234 2598
583958fa 2599 /* pass control to component driver for optional further init */
c42464a4 2600 if (tplg->ops && tplg->ops->manifest)
242c46c0 2601 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2602
2603 if (!abi_match) /* free the duplicated one */
2604 kfree(_manifest);
8a978234 2605
242c46c0 2606 return ret;
8a978234
LG		 2607}
2608
2609/* validate header magic, size and type */
2610static int soc_valid_header(struct soc_tplg *tplg,
2611 struct snd_soc_tplg_hdr *hdr)
2612{
2613 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2614 return 0;
2615
5aebe7c7 2616 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2617 dev_err(tplg->dev,
2618 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2619 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2620 tplg->fw->size);
2621 return -EINVAL;
2622 }
2623
8a978234 2624 /* big endian firmware objects not supported atm */
26d87881 2625 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2626 dev_err(tplg->dev,
2627 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2628 tplg->pass, hdr->magic,
2629 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2630 return -EINVAL;
2631 }
2632
5aebe7c7 2633 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2634 dev_err(tplg->dev,
2635 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2636 tplg->pass, hdr->magic,
2637 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2638 return -EINVAL;
2639 }
2640
288b8da7 2641 /* Support ABI from version 4 */
5aebe7c7
PLB		 2642 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2643 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2644 dev_err(tplg->dev,
2645 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2646 tplg->pass, hdr->abi,
2647 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2648 tplg->fw->size);
2649 return -EINVAL;
2650 }
2651
2652 if (hdr->payload_size == 0) {
2653 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2654 soc_tplg_get_hdr_offset(tplg));
2655 return -EINVAL;
2656 }
2657
8a978234
LG		 2658 return 1;
2659}
2660
2661/* check header type and call appropriate handler */
2662static int soc_tplg_load_header(struct soc_tplg *tplg,
2663 struct snd_soc_tplg_hdr *hdr)
2664{
82ed7418
KJ		 2665 int (*elem_load)(struct soc_tplg *tplg,
2666 struct snd_soc_tplg_hdr *hdr);
2667 unsigned int hdr_pass;
2668
8a978234
LG		 2669 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2670
2671 /* check for matching ID */
5aebe7c7 2672 if (le32_to_cpu(hdr->index) != tplg->req_index &&
bb97142b 2673 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2674 return 0;
2675
5aebe7c7 2676 tplg->index = le32_to_cpu(hdr->index);
8a978234 2677
5aebe7c7 2678 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2679 case SND_SOC_TPLG_TYPE_MIXER:
2680 case SND_SOC_TPLG_TYPE_ENUM:
2681 case SND_SOC_TPLG_TYPE_BYTES:
82ed7418
KJ		 2682 hdr_pass = SOC_TPLG_PASS_MIXER;
2683 elem_load = soc_tplg_kcontrol_elems_load;
2684 break;
8a978234 2685 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2686 hdr_pass = SOC_TPLG_PASS_GRAPH;
2687 elem_load = soc_tplg_dapm_graph_elems_load;
2688 break;
8a978234 2689 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2690 hdr_pass = SOC_TPLG_PASS_WIDGET;
2691 elem_load = soc_tplg_dapm_widget_elems_load;
2692 break;
8a978234 2693 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2694 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2695 elem_load = soc_tplg_pcm_elems_load;
2696 break;
3fbf7935 2697 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2698 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2699 elem_load = soc_tplg_dai_elems_load;
2700 break;
593d9e52
ML		 2701 case SND_SOC_TPLG_TYPE_DAI_LINK:
2702 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2703 /* physical link configurations */
82ed7418
KJ		 2704 hdr_pass = SOC_TPLG_PASS_LINK;
2705 elem_load = soc_tplg_link_elems_load;
2706 break;
8a978234 2707 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2708 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2709 elem_load = soc_tplg_manifest_load;
2710 break;
8a978234
LG		 2711 default:
2712 /* bespoke vendor data object */
82ed7418
KJ		 2713 hdr_pass = SOC_TPLG_PASS_VENDOR;
2714 elem_load = soc_tplg_vendor_load;
2715 break;
2716 }
2717
2718 if (tplg->pass == hdr_pass) {
2719 dev_dbg(tplg->dev,
2720 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2721 hdr->payload_size, hdr->type, hdr->version,
2722 hdr->vendor_type, tplg->pass);
2723 return elem_load(tplg, hdr);
8a978234
LG		 2724 }
2725
2726 return 0;
2727}
2728
2729/* process the topology file headers */
2730static int soc_tplg_process_headers(struct soc_tplg *tplg)
2731{
2732 struct snd_soc_tplg_hdr *hdr;
2733 int ret;
2734
2735 tplg->pass = SOC_TPLG_PASS_START;
2736
2737 /* process the header types from start to end */
2738 while (tplg->pass <= SOC_TPLG_PASS_END) {
2739
2740 tplg->hdr_pos = tplg->fw->data;
2741 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2742
2743 while (!soc_tplg_is_eof(tplg)) {
2744
2745 /* make sure header is valid before loading */
2746 ret = soc_valid_header(tplg, hdr);
8bf9475f
PLB		 2747 if (ret < 0) {
2748 dev_err(tplg->dev,
2749 "ASoC: topology: invalid header: %d\n", ret);
8a978234 2750 return ret;
8bf9475f 2751 } else if (ret == 0) {
8a978234 2752 break;
8bf9475f 2753 }
8a978234
LG		 2754
2755 /* load the header object */
2756 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f
PLB		 2757 if (ret < 0) {
2758 dev_err(tplg->dev,
2759 "ASoC: topology: could not load header: %d\n", ret);
8a978234 2760 return ret;
8bf9475f 2761 }
8a978234
LG		 2762
2763 /* goto next header */
5aebe7c7 2764 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2765 sizeof(struct snd_soc_tplg_hdr);
2766 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2767 }
2768
2769 /* next data type pass */
2770 tplg->pass++;
2771 }
2772
2773 /* signal DAPM we are complete */
2774 ret = soc_tplg_dapm_complete(tplg);
2775 if (ret < 0)
2776 dev_err(tplg->dev,
2777 "ASoC: failed to initialise DAPM from Firmware\n");
2778
2779 return ret;
2780}
2781
2782static int soc_tplg_load(struct soc_tplg *tplg)
2783{
2784 int ret;
2785
2786 ret = soc_tplg_process_headers(tplg);
2787 if (ret == 0)
2788 soc_tplg_complete(tplg);
2789
2790 return ret;
2791}
2792
2793/* load audio component topology from "firmware" file */
2794int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2795 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2796{
2797 struct soc_tplg tplg;
304017d3 2798 int ret;
8a978234 2799
c42464a4
AS		 2800 /* component needs to exist to keep and reference data while parsing */
2801 if (!comp)
2802 return -EINVAL;
8a978234
LG		 2803
2804 /* setup parsing context */
2805 memset(&tplg, 0, sizeof(tplg));
2806 tplg.fw = fw;
2807 tplg.dev = comp->dev;
2808 tplg.comp = comp;
2809 tplg.ops = ops;
2810 tplg.req_index = id;
2811 tplg.io_ops = ops->io_ops;
2812 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2813 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2814 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234 2815
304017d3
B		 2816 ret = soc_tplg_load(&tplg);
2817 /* free the created components if fail to load topology */
2818 if (ret)
2819 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2820
2821 return ret;
8a978234
LG		 2822}
2823EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2824
2825/* remove this dynamic widget */
2826void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2827{
2828 /* make sure we are a widget */
2829 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2830 return;
2831
2832 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2833}
2834EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2835
2836/* remove all dynamic widgets from this DAPM context */
2837void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2838 u32 index)
2839{
2840 struct snd_soc_dapm_widget *w, *next_w;
8a978234 2841
14596692 2842 for_each_card_widgets_safe(dapm->card, w, next_w) {
8a978234
LG		 2843
2844 /* make sure we are a widget with correct context */
2845 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2846 continue;
2847
2848 /* match ID */
2849 if (w->dobj.index != index &&
2850 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2851 continue;
8a978234
LG		 2852 /* check and free and dynamic widget kcontrols */
2853 snd_soc_tplg_widget_remove(w);
b97e2698 2854 snd_soc_dapm_free_widget(w);
8a978234 2855 }
fd589a1b 2856 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2857}
2858EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2859
2860/* remove dynamic controls from the component driver */
2861int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2862{
2863 struct snd_soc_dobj *dobj, *next_dobj;
2864 int pass = SOC_TPLG_PASS_END;
2865
2866 /* process the header types from end to start */
2867 while (pass >= SOC_TPLG_PASS_START) {
2868
2869 /* remove mixer controls */
2870 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2871 list) {
2872
2873 /* match index */
2874 if (dobj->index != index &&
feb12f0c 2875 index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2876 continue;
2877
2878 switch (dobj->type) {
2879 case SND_SOC_DOBJ_MIXER:
2880 remove_mixer(comp, dobj, pass);
2881 break;
2882 case SND_SOC_DOBJ_ENUM:
2883 remove_enum(comp, dobj, pass);
2884 break;
2885 case SND_SOC_DOBJ_BYTES:
2886 remove_bytes(comp, dobj, pass);
2887 break;
7df04ea7
RS		 2888 case SND_SOC_DOBJ_GRAPH:
2889 remove_route(comp, dobj, pass);
2890 break;
8a978234
LG		 2891 case SND_SOC_DOBJ_WIDGET:
2892 remove_widget(comp, dobj, pass);
2893 break;
2894 case SND_SOC_DOBJ_PCM:
64527e8a 2895 remove_dai(comp, dobj, pass);
8a978234 2896 break;
acfc7d46
ML		 2897 case SND_SOC_DOBJ_DAI_LINK:
2898 remove_link(comp, dobj, pass);
2899 break;
adfebb51
B		 2900 case SND_SOC_DOBJ_BACKEND_LINK:
2901 /*
2902 * call link_unload ops if extra
2903 * deinitialization is needed.
2904 */
2905 remove_backend_link(comp, dobj, pass);
2906 break;
8a978234
LG		 2907 default:
2908 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2909 dobj->type);
2910 break;
2911 }
2912 }
2913 pass--;
2914 }
2915
2916 /* let caller know if FW can be freed when no objects are left */
2917 return !list_empty(&comp->dobj_list);
2918}
2919EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
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