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ASoC: topology: Use for loop instead of while
[linux-2.6-block.git] / sound / soc / soc-topology.c
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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 */
00ac8389 59 const u8 *pos; /* read position */
8a978234
LG		 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 */
8a978234 67
88a17d8f 68 /* vendor specific kcontrol operations */
8a978234
LG		 69 const struct snd_soc_tplg_kcontrol_ops *io_ops;
70 int io_ops_count;
71
1a3232d2
ML		 72 /* vendor specific bytes ext handlers, for TLV bytes controls */
73 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
74 int bytes_ext_ops_count;
75
8a978234
LG		 76 /* optional fw loading callbacks to component drivers */
77 struct snd_soc_tplg_ops *ops;
78};
79
80static int soc_tplg_process_headers(struct soc_tplg *tplg);
415717e1 81static int soc_tplg_complete(struct soc_tplg *tplg);
8a978234
LG		 82
83/* check we dont overflow the data for this control chunk */
84static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
85 unsigned int count, size_t bytes, const char *elem_type)
86{
87 const u8 *end = tplg->pos + elem_size * count;
88
89 if (end > tplg->fw->data + tplg->fw->size) {
90 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
91 elem_type);
92 return -EINVAL;
93 }
94
95 /* check there is enough room in chunk for control.
96 extra bytes at the end of control are for vendor data here */
97 if (elem_size * count > bytes) {
98 dev_err(tplg->dev,
99 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
100 elem_type, count, elem_size, bytes);
101 return -EINVAL;
102 }
103
104 return 0;
105}
106
107static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
108{
109 const u8 *end = tplg->hdr_pos;
110
111 if (end >= tplg->fw->data + tplg->fw->size)
112 return 1;
113 return 0;
114}
115
116static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
117{
118 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
119}
120
121static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
122{
123 return (unsigned long)(tplg->pos - tplg->fw->data);
124}
125
126/* mapping of Kcontrol types and associated operations. */
127static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
128 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
129 snd_soc_put_volsw, snd_soc_info_volsw},
130 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
131 snd_soc_put_volsw_sx, NULL},
132 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
133 snd_soc_put_enum_double, snd_soc_info_enum_double},
134 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
135 snd_soc_put_enum_double, NULL},
136 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
137 snd_soc_bytes_put, snd_soc_bytes_info},
138 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
139 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
140 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
141 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
142 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
143 snd_soc_put_strobe, NULL},
144 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 145 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 146 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
147 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
148 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
149 snd_soc_dapm_put_enum_double, NULL},
150 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
151 snd_soc_dapm_put_enum_double, NULL},
152 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
153 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
154};
155
156struct soc_tplg_map {
157 int uid;
158 int kid;
159};
160
161/* mapping of widget types from UAPI IDs to kernel IDs */
162static const struct soc_tplg_map dapm_map[] = {
163 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
164 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
165 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
166 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
167 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
168 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
169 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
170 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
171 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
172 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
173 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
174 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
175 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
176 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
177 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
178 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 179 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
180 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
181 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
182 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
183 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
184 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
185 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
186 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 187};
188
189static int tplc_chan_get_reg(struct soc_tplg *tplg,
190 struct snd_soc_tplg_channel *chan, int map)
191{
192 int i;
193
194 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 195 if (le32_to_cpu(chan[i].id) == map)
196 return le32_to_cpu(chan[i].reg);
8a978234
LG		 197 }
198
199 return -EINVAL;
200}
201
202static int tplc_chan_get_shift(struct soc_tplg *tplg,
203 struct snd_soc_tplg_channel *chan, int map)
204{
205 int i;
206
207 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 208 if (le32_to_cpu(chan[i].id) == map)
209 return le32_to_cpu(chan[i].shift);
8a978234
LG		 210 }
211
212 return -EINVAL;
213}
214
215static int get_widget_id(int tplg_type)
216{
217 int i;
218
219 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
220 if (tplg_type == dapm_map[i].uid)
221 return dapm_map[i].kid;
222 }
223
224 return -EINVAL;
225}
226
8a978234
LG		 227static inline void soc_bind_err(struct soc_tplg *tplg,
228 struct snd_soc_tplg_ctl_hdr *hdr, int index)
229{
230 dev_err(tplg->dev,
231 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
232 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
233 soc_tplg_get_offset(tplg));
234}
235
236static inline void soc_control_err(struct soc_tplg *tplg,
237 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
238{
239 dev_err(tplg->dev,
240 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
241 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
242 soc_tplg_get_offset(tplg));
243}
244
245/* pass vendor data to component driver for processing */
c2cbd0a7
KJ		 246static int soc_tplg_vendor_load(struct soc_tplg *tplg,
247 struct snd_soc_tplg_hdr *hdr)
8a978234
LG		 248{
249 int ret = 0;
250
c42464a4 251 if (tplg->ops && tplg->ops->vendor_load)
c60b613a 252 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 253 else {
254 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
255 hdr->vendor_type);
256 return -EINVAL;
257 }
258
259 if (ret < 0)
260 dev_err(tplg->dev,
261 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
262 soc_tplg_get_hdr_offset(tplg),
263 soc_tplg_get_hdr_offset(tplg),
264 hdr->type, hdr->vendor_type);
265 return ret;
266}
267
8a978234
LG		 268/* optionally pass new dynamic widget to component driver. This is mainly for
269 * external widgets where we can assign private data/ops */
270static int soc_tplg_widget_load(struct soc_tplg *tplg,
271 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
272{
c42464a4 273 if (tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 274 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
275 tplg_w);
8a978234
LG		 276
277 return 0;
278}
279
ebd259d3
LG		 280/* optionally pass new dynamic widget to component driver. This is mainly for
281 * external widgets where we can assign private data/ops */
282static int soc_tplg_widget_ready(struct soc_tplg *tplg,
283 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
284{
c42464a4 285 if (tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 286 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
287 tplg_w);
ebd259d3
LG		 288
289 return 0;
290}
291
183b8021 292/* pass DAI configurations to component driver for extra initialization */
64527e8a 293static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 294 struct snd_soc_dai_driver *dai_drv,
295 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 296{
c42464a4 297 if (tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 298 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
299 pcm, dai);
8a978234
LG		 300
301 return 0;
302}
303
183b8021 304/* pass link configurations to component driver for extra initialization */
acfc7d46 305static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 306 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46 307{
c42464a4 308 if (tplg->ops && tplg->ops->link_load)
c60b613a 309 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 310
311 return 0;
312}
313
8a978234 314/* tell the component driver that all firmware has been loaded in this request */
415717e1 315static int soc_tplg_complete(struct soc_tplg *tplg)
8a978234 316{
c42464a4 317 if (tplg->ops && tplg->ops->complete)
415717e1
RS		 318 return tplg->ops->complete(tplg->comp);
319
320 return 0;
8a978234
LG		 321}
322
323/* add a dynamic kcontrol */
324static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
325 const struct snd_kcontrol_new *control_new, const char *prefix,
326 void *data, struct snd_kcontrol **kcontrol)
327{
328 int err;
329
330 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
331 if (*kcontrol == NULL) {
332 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
333 control_new->name);
334 return -ENOMEM;
335 }
336
337 err = snd_ctl_add(card, *kcontrol);
338 if (err < 0) {
339 dev_err(dev, "ASoC: Failed to add %s: %d\n",
340 control_new->name, err);
341 return err;
342 }
343
344 return 0;
345}
346
347/* add a dynamic kcontrol for component driver */
348static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
349 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
350{
351 struct snd_soc_component *comp = tplg->comp;
352
353 return soc_tplg_add_dcontrol(comp->card->snd_card,
2a710bb3 354 tplg->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 355}
356
357/* remove a mixer kcontrol */
358static void remove_mixer(struct snd_soc_component *comp,
359 struct snd_soc_dobj *dobj, int pass)
360{
361 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 362
363 if (pass != SOC_TPLG_PASS_MIXER)
364 return;
365
366 if (dobj->ops && dobj->ops->control_unload)
367 dobj->ops->control_unload(comp, dobj);
368
33ae6ae2
AS		 369 snd_ctl_remove(card, dobj->control.kcontrol);
370 list_del(&dobj->list);
8a978234
LG		 371}
372
373/* remove an enum kcontrol */
374static void remove_enum(struct snd_soc_component *comp,
375 struct snd_soc_dobj *dobj, int pass)
376{
377 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 378
379 if (pass != SOC_TPLG_PASS_MIXER)
380 return;
381
382 if (dobj->ops && dobj->ops->control_unload)
383 dobj->ops->control_unload(comp, dobj);
384
33ae6ae2
AS		 385 snd_ctl_remove(card, dobj->control.kcontrol);
386 list_del(&dobj->list);
8a978234
LG		 387}
388
389/* remove a byte kcontrol */
390static void remove_bytes(struct snd_soc_component *comp,
391 struct snd_soc_dobj *dobj, int pass)
392{
393 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 394
395 if (pass != SOC_TPLG_PASS_MIXER)
396 return;
397
398 if (dobj->ops && dobj->ops->control_unload)
399 dobj->ops->control_unload(comp, dobj);
400
33ae6ae2
AS		 401 snd_ctl_remove(card, dobj->control.kcontrol);
402 list_del(&dobj->list);
8a978234
LG		 403}
404
7df04ea7
RS		 405/* remove a route */
406static void remove_route(struct snd_soc_component *comp,
407 struct snd_soc_dobj *dobj, int pass)
408{
7df04ea7
RS		 409 if (pass != SOC_TPLG_PASS_GRAPH)
410 return;
411
412 if (dobj->ops && dobj->ops->dapm_route_unload)
413 dobj->ops->dapm_route_unload(comp, dobj);
414
415 list_del(&dobj->list);
7df04ea7
RS		 416}
417
8a978234
LG		 418/* remove a widget and it's kcontrols - routes must be removed first */
419static void remove_widget(struct snd_soc_component *comp,
420 struct snd_soc_dobj *dobj, int pass)
421{
422 struct snd_card *card = comp->card->snd_card;
423 struct snd_soc_dapm_widget *w =
424 container_of(dobj, struct snd_soc_dapm_widget, dobj);
425 int i;
426
427 if (pass != SOC_TPLG_PASS_WIDGET)
428 return;
429
430 if (dobj->ops && dobj->ops->widget_unload)
431 dobj->ops->widget_unload(comp, dobj);
432
05bdcf12
LG		 433 if (!w->kcontrols)
434 goto free_news;
435
8d456654
AS		 436 for (i = 0; w->kcontrols && i < w->num_kcontrols; i++)
437 snd_ctl_remove(card, w->kcontrols[i]);
05bdcf12
LG		 438
439free_news:
05bdcf12 440
a46e8393
AS		 441 list_del(&dobj->list);
442
8a978234
LG		 443 /* widget w is freed by soc-dapm.c */
444}
445
64527e8a
ML		 446/* remove DAI configurations */
447static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 448 struct snd_soc_dobj *dobj, int pass)
449{
64527e8a
ML		 450 struct snd_soc_dai_driver *dai_drv =
451 container_of(dobj, struct snd_soc_dai_driver, dobj);
fc4cb1e1 452 struct snd_soc_dai *dai, *_dai;
64527e8a 453
8a978234
LG		 454 if (pass != SOC_TPLG_PASS_PCM_DAI)
455 return;
456
64527e8a
ML		 457 if (dobj->ops && dobj->ops->dai_unload)
458 dobj->ops->dai_unload(comp, dobj);
8a978234 459
fc4cb1e1 460 for_each_component_dais_safe(comp, dai, _dai)
52abe6cc 461 if (dai->driver == dai_drv)
fc4cb1e1 462 snd_soc_unregister_dai(dai);
52abe6cc 463
8a978234 464 list_del(&dobj->list);
8a978234
LG		 465}
466
acfc7d46
ML		 467/* remove link configurations */
468static void remove_link(struct snd_soc_component *comp,
469 struct snd_soc_dobj *dobj, int pass)
470{
471 struct snd_soc_dai_link *link =
472 container_of(dobj, struct snd_soc_dai_link, dobj);
473
474 if (pass != SOC_TPLG_PASS_PCM_DAI)
475 return;
476
477 if (dobj->ops && dobj->ops->link_unload)
478 dobj->ops->link_unload(comp, dobj);
479
dd836ddf 480 list_del(&dobj->list);
50cd9b53
KM		 481 snd_soc_remove_pcm_runtime(comp->card,
482 snd_soc_get_pcm_runtime(comp->card, link));
acfc7d46
ML		 483}
484
adfebb51
B		 485/* unload dai link */
486static void remove_backend_link(struct snd_soc_component *comp,
487 struct snd_soc_dobj *dobj, int pass)
488{
489 if (pass != SOC_TPLG_PASS_LINK)
490 return;
491
492 if (dobj->ops && dobj->ops->link_unload)
493 dobj->ops->link_unload(comp, dobj);
494
495 /*
496 * We don't free the link here as what remove_link() do since BE
497 * links are not allocated by topology.
498 * We however need to reset the dobj type to its initial values
499 */
500 dobj->type = SND_SOC_DOBJ_NONE;
501 list_del(&dobj->list);
502}
503
8a978234
LG		 504/* bind a kcontrol to it's IO handlers */
505static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
506 struct snd_kcontrol_new *k,
2b5cdb91 507 const struct soc_tplg *tplg)
8a978234 508{
2b5cdb91 509 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 510 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 511 int num_ops, i;
8a978234 512
5aebe7c7 513 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2 514 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
feb00b73
AS		 515 && (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ
516 || k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
1a3232d2
ML		 517 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
518 struct soc_bytes_ext *sbe;
519 struct snd_soc_tplg_bytes_control *be;
520
521 sbe = (struct soc_bytes_ext *)k->private_value;
522 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
523
524 /* TLV bytes controls need standard kcontrol info handler,
525 * TLV callback and extended put/get handlers.
526 */
f4be978b 527 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 528 k->tlv.c = snd_soc_bytes_tlv_callback;
529
6788fc1a
PLB		 530 /*
531 * When a topology-based implementation abuses the
532 * control interface and uses bytes_ext controls of
533 * more than 512 bytes, we need to disable the size
534 * checks, otherwise accesses to such controls will
535 * return an -EINVAL error and prevent the card from
536 * being configured.
537 */
538 if (IS_ENABLED(CONFIG_SND_CTL_VALIDATION) && sbe->max > 512)
539 k->access |= SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK;
540
1a3232d2
ML		 541 ext_ops = tplg->bytes_ext_ops;
542 num_ops = tplg->bytes_ext_ops_count;
543 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 544 if (!sbe->put &&
545 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 546 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 547 if (!sbe->get &&
548 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 549 sbe->get = ext_ops[i].get;
550 }
551
819b9f60 552 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get)
1a3232d2 553 return -EINVAL;
819b9f60
D		 554 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put)
555 return -EINVAL;
556 return 0;
1a3232d2 557 }
8a978234 558
88a17d8f 559 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 560 ops = tplg->io_ops;
561 num_ops = tplg->io_ops_count;
8a978234
LG		 562 for (i = 0; i < num_ops; i++) {
563
72bbeda0 564 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 565 k->put = ops[i].put;
72bbeda0 566 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 567 k->get = ops[i].get;
72bbeda0 568 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 569 k->info = ops[i].info;
570 }
571
88a17d8f 572 /* vendor specific handlers found ? */
8a978234
LG		 573 if (k->put && k->get && k->info)
574 return 0;
575
88a17d8f 576 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 577 ops = io_ops;
578 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 579 for (i = 0; i < num_ops; i++) {
8a978234 580
72bbeda0 581 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 582 k->put = ops[i].put;
72bbeda0 583 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 584 k->get = ops[i].get;
72bbeda0 585 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 586 k->info = ops[i].info;
8a978234
LG		 587 }
588
88a17d8f 589 /* standard handlers found ? */
8a978234
LG		 590 if (k->put && k->get && k->info)
591 return 0;
592
593 /* nothing to bind */
594 return -EINVAL;
595}
596
597/* bind a widgets to it's evnt handlers */
598int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
599 const struct snd_soc_tplg_widget_events *events,
600 int num_events, u16 event_type)
601{
602 int i;
603
604 w->event = NULL;
605
606 for (i = 0; i < num_events; i++) {
607 if (event_type == events[i].type) {
608
609 /* found - so assign event */
610 w->event = events[i].event_handler;
611 return 0;
612 }
613 }
614
615 /* not found */
616 return -EINVAL;
617}
618EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
619
620/* optionally pass new dynamic kcontrol to component driver. */
621static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
622 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
623{
c42464a4 624 if (tplg->ops && tplg->ops->control_load)
c60b613a
LG		 625 return tplg->ops->control_load(tplg->comp, tplg->index, k,
626 hdr);
8a978234
LG		 627
628 return 0;
629}
630
8a978234 631
28a87eeb
ML		 632static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
633 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
634{
635 unsigned int item_len = 2 * sizeof(unsigned int);
636 unsigned int *p;
8a978234 637
ff922622 638 p = devm_kzalloc(tplg->dev, item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
28a87eeb 639 if (!p)
8a978234
LG		 640 return -ENOMEM;
641
28a87eeb
ML		 642 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
643 p[1] = item_len;
5aebe7c7
PLB		 644 p[2] = le32_to_cpu(scale->min);
645 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
646 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 647
648 kc->tlv.p = (void *)p;
649 return 0;
650}
651
652static int soc_tplg_create_tlv(struct soc_tplg *tplg,
653 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
654{
655 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 656 u32 access = le32_to_cpu(tc->access);
28a87eeb 657
5aebe7c7 658 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 659 return 0;
8a978234 660
5aebe7c7 661 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 662 tplg_tlv = &tc->tlv;
5aebe7c7 663 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 664 case SNDRV_CTL_TLVT_DB_SCALE:
665 return soc_tplg_create_tlv_db_scale(tplg, kc,
666 &tplg_tlv->scale);
667
668 /* TODO: add support for other TLV types */
669 default:
670 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
671 tplg_tlv->type);
672 return -EINVAL;
673 }
674 }
8a978234
LG		 675
676 return 0;
677}
678
8a978234
LG		 679static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
680 size_t size)
681{
682 struct snd_soc_tplg_bytes_control *be;
683 struct soc_bytes_ext *sbe;
684 struct snd_kcontrol_new kc;
129fc2ba
PLB		 685 int i;
686 int err = 0;
8a978234
LG		 687
688 if (soc_tplg_check_elem_count(tplg,
3ce57f22
AS		 689 sizeof(struct snd_soc_tplg_bytes_control),
690 count, size, "mixer bytes"))
8a978234 691 return -EINVAL;
8a978234
LG		 692
693 for (i = 0; i < count; i++) {
694 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
695
696 /* validate kcontrol */
697 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
698 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
699 return -EINVAL;
700
ff922622 701 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
8a978234
LG		 702 if (sbe == NULL)
703 return -ENOMEM;
704
705 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 706 le32_to_cpu(be->priv.size));
8a978234
LG		 707
708 dev_dbg(tplg->dev,
709 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
710 be->hdr.name, be->hdr.access);
711
712 memset(&kc, 0, sizeof(kc));
713 kc.name = be->hdr.name;
714 kc.private_value = (long)sbe;
715 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 716 kc.access = le32_to_cpu(be->hdr.access);
8a978234 717
5aebe7c7 718 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 719 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
720 sbe->dobj.ops = tplg->ops;
721 INIT_LIST_HEAD(&sbe->dobj.list);
722
723 /* map io handlers */
2b5cdb91 724 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 725 if (err) {
726 soc_control_err(tplg, &be->hdr, be->hdr.name);
129fc2ba 727 break;
8a978234
LG		 728 }
729
730 /* pass control to driver for optional further init */
731 err = soc_tplg_init_kcontrol(tplg, &kc,
732 (struct snd_soc_tplg_ctl_hdr *)be);
733 if (err < 0) {
734 dev_err(tplg->dev, "ASoC: failed to init %s\n",
735 be->hdr.name);
129fc2ba 736 break;
8a978234
LG		 737 }
738
739 /* register control here */
740 err = soc_tplg_add_kcontrol(tplg, &kc,
741 &sbe->dobj.control.kcontrol);
742 if (err < 0) {
743 dev_err(tplg->dev, "ASoC: failed to add %s\n",
744 be->hdr.name);
129fc2ba 745 break;
8a978234
LG		 746 }
747
748 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
749 }
129fc2ba 750 return err;
8a978234
LG		 751
752}
753
754static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
755 size_t size)
756{
757 struct snd_soc_tplg_mixer_control *mc;
758 struct soc_mixer_control *sm;
759 struct snd_kcontrol_new kc;
129fc2ba
PLB		 760 int i;
761 int err = 0;
8a978234
LG		 762
763 if (soc_tplg_check_elem_count(tplg,
3ce57f22
AS		 764 sizeof(struct snd_soc_tplg_mixer_control),
765 count, size, "mixers"))
8a978234 766 return -EINVAL;
8a978234
LG		 767
768 for (i = 0; i < count; i++) {
769 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
770
771 /* validate kcontrol */
772 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
773 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
774 return -EINVAL;
775
ff922622 776 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
8a978234
LG		 777 if (sm == NULL)
778 return -ENOMEM;
779 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 780 le32_to_cpu(mc->priv.size));
8a978234
LG		 781
782 dev_dbg(tplg->dev,
783 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
784 mc->hdr.name, mc->hdr.access);
785
786 memset(&kc, 0, sizeof(kc));
787 kc.name = mc->hdr.name;
788 kc.private_value = (long)sm;
789 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 790 kc.access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 791
792 /* we only support FL/FR channel mapping atm */
793 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
794 SNDRV_CHMAP_FL);
795 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
796 SNDRV_CHMAP_FR);
797 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
798 SNDRV_CHMAP_FL);
799 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
800 SNDRV_CHMAP_FR);
801
5aebe7c7
PLB		 802 sm->max = le32_to_cpu(mc->max);
803 sm->min = le32_to_cpu(mc->min);
804 sm->invert = le32_to_cpu(mc->invert);
805 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 806 sm->dobj.index = tplg->index;
807 sm->dobj.ops = tplg->ops;
808 sm->dobj.type = SND_SOC_DOBJ_MIXER;
809 INIT_LIST_HEAD(&sm->dobj.list);
810
811 /* map io handlers */
2b5cdb91 812 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 813 if (err) {
814 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
129fc2ba 815 break;
8a978234
LG		 816 }
817
3789debf 818 /* create any TLV data */
482db55a
AS		 819 err = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
820 if (err < 0) {
821 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
822 mc->hdr.name);
129fc2ba 823 break;
482db55a 824 }
3789debf 825
8a978234
LG		 826 /* pass control to driver for optional further init */
827 err = soc_tplg_init_kcontrol(tplg, &kc,
828 (struct snd_soc_tplg_ctl_hdr *) mc);
829 if (err < 0) {
830 dev_err(tplg->dev, "ASoC: failed to init %s\n",
831 mc->hdr.name);
129fc2ba 832 break;
8a978234
LG		 833 }
834
8a978234
LG		 835 /* register control here */
836 err = soc_tplg_add_kcontrol(tplg, &kc,
837 &sm->dobj.control.kcontrol);
838 if (err < 0) {
839 dev_err(tplg->dev, "ASoC: failed to add %s\n",
840 mc->hdr.name);
129fc2ba 841 break;
8a978234
LG		 842 }
843
844 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
845 }
846
129fc2ba 847 return err;
8a978234
LG		 848}
849
ff922622
AS		 850static int soc_tplg_denum_create_texts(struct soc_tplg *tplg, struct soc_enum *se,
851 struct snd_soc_tplg_enum_control *ec)
8a978234
LG		 852{
853 int i, ret;
854
f5824e5c
AS		 855 if (le32_to_cpu(ec->items) > ARRAY_SIZE(ec->texts))
856 return -EINVAL;
857
8a978234 858 se->dobj.control.dtexts =
ff922622 859 devm_kcalloc(tplg->dev, le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 860 if (se->dobj.control.dtexts == NULL)
861 return -ENOMEM;
862
72bbeda0 863 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 864
865 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
866 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
867 ret = -EINVAL;
868 goto err;
869 }
870
ff922622 871 se->dobj.control.dtexts[i] = devm_kstrdup(tplg->dev, ec->texts[i], GFP_KERNEL);
8a978234
LG		 872 if (!se->dobj.control.dtexts[i]) {
873 ret = -ENOMEM;
874 goto err;
875 }
876 }
877
3cde818c 878 se->items = le32_to_cpu(ec->items);
b6e38b29 879 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 880 return 0;
881
882err:
3cde818c
AS		 883 return ret;
884}
885
ff922622
AS		 886static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum *se,
887 struct snd_soc_tplg_enum_control *ec)
8a978234 888{
5aebe7c7
PLB		 889 int i;
890
631c78ed
AS		 891 /*
892 * Following "if" checks if we have at most SND_SOC_TPLG_NUM_TEXTS
893 * values instead of using ARRAY_SIZE(ec->values) due to the fact that
894 * it is oversized for its purpose. Additionally it is done so because
895 * it is defined in UAPI header where it can't be easily changed.
896 */
897 if (le32_to_cpu(ec->items) > SND_SOC_TPLG_NUM_TEXTS)
8a978234
LG		 898 return -EINVAL;
899
631c78ed 900 se->dobj.control.dvalues = devm_kcalloc(tplg->dev, le32_to_cpu(ec->items),
543466ef 901 sizeof(*se->dobj.control.dvalues),
376c0afe 902 GFP_KERNEL);
8a978234
LG		 903 if (!se->dobj.control.dvalues)
904 return -ENOMEM;
905
5aebe7c7
PLB		 906 /* convert from little-endian */
907 for (i = 0; i < le32_to_cpu(ec->items); i++) {
908 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
909 }
910
8a978234
LG		 911 return 0;
912}
913
914static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
915 size_t size)
916{
917 struct snd_soc_tplg_enum_control *ec;
918 struct soc_enum *se;
919 struct snd_kcontrol_new kc;
129fc2ba
PLB		 920 int i;
921 int err = 0;
8a978234
LG		 922
923 if (soc_tplg_check_elem_count(tplg,
3ce57f22
AS		 924 sizeof(struct snd_soc_tplg_enum_control),
925 count, size, "enums"))
8a978234 926 return -EINVAL;
8a978234
LG		 927
928 for (i = 0; i < count; i++) {
929 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234
LG		 930
931 /* validate kcontrol */
932 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
933 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
934 return -EINVAL;
935
ff922622 936 se = devm_kzalloc(tplg->dev, (sizeof(*se)), GFP_KERNEL);
8a978234
LG		 937 if (se == NULL)
938 return -ENOMEM;
939
02b64245 940 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
5aebe7c7 941 le32_to_cpu(ec->priv.size));
02b64245 942
8a978234
LG		 943 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
944 ec->hdr.name, ec->items);
945
946 memset(&kc, 0, sizeof(kc));
947 kc.name = ec->hdr.name;
948 kc.private_value = (long)se;
949 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 950 kc.access = le32_to_cpu(ec->hdr.access);
8a978234
LG		 951
952 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
953 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
954 SNDRV_CHMAP_FL);
955 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
956 SNDRV_CHMAP_FL);
957
5aebe7c7 958 se->mask = le32_to_cpu(ec->mask);
8a978234
LG		 959 se->dobj.index = tplg->index;
960 se->dobj.type = SND_SOC_DOBJ_ENUM;
961 se->dobj.ops = tplg->ops;
962 INIT_LIST_HEAD(&se->dobj.list);
963
5aebe7c7 964 switch (le32_to_cpu(ec->hdr.ops.info)) {
8a978234
LG		 965 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
966 case SND_SOC_TPLG_CTL_ENUM_VALUE:
ff922622 967 err = soc_tplg_denum_create_values(tplg, se, ec);
8a978234
LG		 968 if (err < 0) {
969 dev_err(tplg->dev,
970 "ASoC: could not create values for %s\n",
971 ec->hdr.name);
129fc2ba 972 goto err_denum;
8a978234 973 }
df561f66 974 fallthrough;
8a978234
LG		 975 case SND_SOC_TPLG_CTL_ENUM:
976 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
977 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
ff922622 978 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234
LG		 979 if (err < 0) {
980 dev_err(tplg->dev,
981 "ASoC: could not create texts for %s\n",
982 ec->hdr.name);
129fc2ba 983 goto err_denum;
8a978234
LG		 984 }
985 break;
986 default:
129fc2ba 987 err = -EINVAL;
8a978234
LG		 988 dev_err(tplg->dev,
989 "ASoC: invalid enum control type %d for %s\n",
990 ec->hdr.ops.info, ec->hdr.name);
129fc2ba 991 goto err_denum;
8a978234
LG		 992 }
993
994 /* map io handlers */
2b5cdb91 995 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 996 if (err) {
997 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
129fc2ba 998 goto err_denum;
8a978234
LG		 999 }
1000
1001 /* pass control to driver for optional further init */
1002 err = soc_tplg_init_kcontrol(tplg, &kc,
1003 (struct snd_soc_tplg_ctl_hdr *) ec);
1004 if (err < 0) {
1005 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1006 ec->hdr.name);
129fc2ba 1007 goto err_denum;
8a978234
LG		 1008 }
1009
1010 /* register control here */
129fc2ba
PLB		 1011 err = soc_tplg_add_kcontrol(tplg,
1012 &kc, &se->dobj.control.kcontrol);
1013 if (err < 0) {
8a978234
LG		 1014 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1015 ec->hdr.name);
129fc2ba 1016 goto err_denum;
8a978234
LG		 1017 }
1018
1019 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1020 }
952bd937
PLB		 1021 return 0;
1022
129fc2ba
PLB		 1023err_denum:
1024 return err;
8a978234
LG		 1025}
1026
1027static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1028 struct snd_soc_tplg_hdr *hdr)
1029{
2ae548f3 1030 int ret;
8a978234
LG		 1031 int i;
1032
8a978234
LG		 1033 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1034 soc_tplg_get_offset(tplg));
1035
5aebe7c7 1036 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
ea8f6b29 1037 struct snd_soc_tplg_ctl_hdr *control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
8a978234 1038
5aebe7c7 1039 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1040 dev_err(tplg->dev, "ASoC: invalid control size\n");
1041 return -EINVAL;
1042 }
1043
5aebe7c7 1044 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1045 case SND_SOC_TPLG_CTL_VOLSW:
1046 case SND_SOC_TPLG_CTL_STROBE:
1047 case SND_SOC_TPLG_CTL_VOLSW_SX:
1048 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1049 case SND_SOC_TPLG_CTL_RANGE:
1050 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1051 case SND_SOC_TPLG_DAPM_CTL_PIN:
2ae548f3
AS		 1052 ret = soc_tplg_dmixer_create(tplg, 1,
1053 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1054 break;
1055 case SND_SOC_TPLG_CTL_ENUM:
1056 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1057 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1058 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1059 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
2ae548f3
AS		 1060 ret = soc_tplg_denum_create(tplg, 1,
1061 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1062 break;
1063 case SND_SOC_TPLG_CTL_BYTES:
2ae548f3
AS		 1064 ret = soc_tplg_dbytes_create(tplg, 1,
1065 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1066 break;
1067 default:
1068 soc_bind_err(tplg, control_hdr, i);
1069 return -EINVAL;
1070 }
2ae548f3
AS		 1071 if (ret < 0) {
1072 dev_err(tplg->dev, "ASoC: invalid control\n");
1073 return ret;
1074 }
1075
8a978234
LG		 1076 }
1077
1078 return 0;
1079}
1080
503e79b7
LG		 1081/* optionally pass new dynamic kcontrol to component driver. */
1082static int soc_tplg_add_route(struct soc_tplg *tplg,
1083 struct snd_soc_dapm_route *route)
1084{
c42464a4 1085 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1086 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1087 route);
1088
1089 return 0;
1090}
1091
8a978234
LG		 1092static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1093 struct snd_soc_tplg_hdr *hdr)
1094{
1095 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1096 struct snd_soc_tplg_dapm_graph_elem *elem;
cc44c749 1097 struct snd_soc_dapm_route *route;
ff922622 1098 int count, i;
7df04ea7 1099 int ret = 0;
8a978234 1100
5aebe7c7
PLB		 1101 count = le32_to_cpu(hdr->count);
1102
8a978234 1103 if (soc_tplg_check_elem_count(tplg,
3ce57f22
AS		 1104 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1105 count, le32_to_cpu(hdr->payload_size), "graph"))
8a978234 1106 return -EINVAL;
8a978234 1107
b75a6511
LG		 1108 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1109 hdr->index);
8a978234 1110
7df04ea7 1111 for (i = 0; i < count; i++) {
cc44c749
AS		 1112 route = devm_kzalloc(tplg->dev, sizeof(*route), GFP_KERNEL);
1113 if (!route)
7df04ea7 1114 return -ENOMEM;
8a978234
LG		 1115 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1116 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1117
1118 /* validate routes */
1119 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1120 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1121 ret = -EINVAL;
1122 break;
1123 }
8a978234 1124 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1125 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1126 ret = -EINVAL;
1127 break;
1128 }
8a978234 1129 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1130 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1131 ret = -EINVAL;
1132 break;
1133 }
1134
cc44c749
AS		 1135 route->source = elem->source;
1136 route->sink = elem->sink;
8a978234 1137
7df04ea7 1138 /* set to NULL atm for tplg users */
cc44c749 1139 route->connected = NULL;
8a978234 1140 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
cc44c749 1141 route->control = NULL;
8a978234 1142 else
cc44c749 1143 route->control = elem->control;
7df04ea7
RS		 1144
1145 /* add route dobj to dobj_list */
cc44c749
AS		 1146 route->dobj.type = SND_SOC_DOBJ_GRAPH;
1147 route->dobj.ops = tplg->ops;
1148 route->dobj.index = tplg->index;
1149 list_add(&route->dobj.list, &tplg->comp->dobj_list);
8a978234 1150
cc44c749 1151 ret = soc_tplg_add_route(tplg, route);
6f0307df 1152 if (ret < 0) {
8bf9475f 1153 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6856e887 1154 break;
6f0307df 1155 }
503e79b7 1156
8a978234 1157 /* add route, but keep going if some fail */
cc44c749 1158 snd_soc_dapm_add_routes(dapm, route, 1);
8a978234
LG		 1159 }
1160
7df04ea7 1161 return ret;
8a978234
LG		 1162}
1163
d29d41e2 1164static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1165{
8a978234
LG		 1166 struct soc_mixer_control *sm;
1167 struct snd_soc_tplg_mixer_control *mc;
d29d41e2 1168 int err;
9f90af3a 1169
d29d41e2 1170 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1171
d29d41e2
JU		 1172 /* validate kcontrol */
1173 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1174 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1175 return -EINVAL;
8a978234 1176
d29d41e2
JU		 1177 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
1178 if (!sm)
1179 return -ENOMEM;
8a978234 1180
d29d41e2
JU		 1181 tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) +
1182 le32_to_cpu(mc->priv.size);
8a978234 1183
d29d41e2
JU		 1184 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n",
1185 mc->hdr.name);
8a978234 1186
d29d41e2
JU		 1187 kc->private_value = (long)sm;
1188 kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL);
1189 if (!kc->name)
1190 return -ENOMEM;
1191 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1192 kc->access = le32_to_cpu(mc->hdr.access);
1193
1194 /* we only support FL/FR channel mapping atm */
1195 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1196 SNDRV_CHMAP_FL);
1197 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1198 SNDRV_CHMAP_FR);
1199 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1200 SNDRV_CHMAP_FL);
1201 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1202 SNDRV_CHMAP_FR);
1203
1204 sm->max = le32_to_cpu(mc->max);
1205 sm->min = le32_to_cpu(mc->min);
1206 sm->invert = le32_to_cpu(mc->invert);
1207 sm->platform_max = le32_to_cpu(mc->platform_max);
1208 sm->dobj.index = tplg->index;
1209 INIT_LIST_HEAD(&sm->dobj.list);
1210
1211 /* map io handlers */
1212 err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg);
1213 if (err) {
1214 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1215 return err;
1216 }
8a978234 1217
d29d41e2
JU		 1218 /* create any TLV data */
1219 err = soc_tplg_create_tlv(tplg, kc, &mc->hdr);
1220 if (err < 0) {
1221 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1222 mc->hdr.name);
1223 return err;
1224 }
3789debf 1225
d29d41e2
JU		 1226 /* pass control to driver for optional further init */
1227 err = soc_tplg_init_kcontrol(tplg, kc,
1228 (struct snd_soc_tplg_ctl_hdr *)mc);
1229 if (err < 0) {
1230 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1231 mc->hdr.name);
1232 return err;
8a978234 1233 }
8a978234 1234
d29d41e2 1235 return 0;
8a978234
LG		 1236}
1237
d29d41e2 1238static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1239{
8a978234
LG		 1240 struct snd_soc_tplg_enum_control *ec;
1241 struct soc_enum *se;
d29d41e2 1242 int err;
1a7dd6e2 1243
d29d41e2
JU		 1244 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1245 /* validate kcontrol */
1246 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1247 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1248 return -EINVAL;
8a978234 1249
d29d41e2
JU		 1250 se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL);
1251 if (!se)
1252 return -ENOMEM;
02b64245 1253
d29d41e2
JU		 1254 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1255 le32_to_cpu(ec->priv.size));
8a978234 1256
d29d41e2
JU		 1257 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1258 ec->hdr.name);
8a978234 1259
d29d41e2
JU		 1260 kc->private_value = (long)se;
1261 kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL);
1262 if (!kc->name)
1263 return -ENOMEM;
1264 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1265 kc->access = le32_to_cpu(ec->hdr.access);
8a978234 1266
d29d41e2
JU		 1267 /* we only support FL/FR channel mapping atm */
1268 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1269 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1270 SNDRV_CHMAP_FL);
1271 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1272 SNDRV_CHMAP_FR);
8a978234 1273
d29d41e2
JU		 1274 se->items = le32_to_cpu(ec->items);
1275 se->mask = le32_to_cpu(ec->mask);
1276 se->dobj.index = tplg->index;
1a7dd6e2 1277
d29d41e2
JU		 1278 switch (le32_to_cpu(ec->hdr.ops.info)) {
1279 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1280 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1281 err = soc_tplg_denum_create_values(tplg, se, ec);
1282 if (err < 0) {
1283 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1284 ec->hdr.name);
1285 return err;
1a7dd6e2 1286 }
d29d41e2
JU		 1287 fallthrough;
1288 case SND_SOC_TPLG_CTL_ENUM:
1289 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1290 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1291 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234 1292 if (err < 0) {
d29d41e2 1293 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
8a978234 1294 ec->hdr.name);
d29d41e2 1295 return err;
8a978234 1296 }
d29d41e2
JU		 1297 break;
1298 default:
1299 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1300 ec->hdr.ops.info, ec->hdr.name);
1301 return -EINVAL;
8a978234
LG		 1302 }
1303
d29d41e2
JU		 1304 /* map io handlers */
1305 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
1306 if (err) {
1307 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1308 return err;
1309 }
8a978234 1310
d29d41e2
JU		 1311 /* pass control to driver for optional further init */
1312 err = soc_tplg_init_kcontrol(tplg, kc,
1313 (struct snd_soc_tplg_ctl_hdr *)ec);
1314 if (err < 0) {
1315 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1316 ec->hdr.name);
1317 return err;
1318 }
1319
1320 return 0;
8a978234
LG		 1321}
1322
d29d41e2 1323static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234
LG		 1324{
1325 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1326 struct soc_bytes_ext *sbe;
d29d41e2 1327 int err;
8a978234 1328
d29d41e2 1329 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 1330
d29d41e2
JU		 1331 /* validate kcontrol */
1332 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1333 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1334 return -EINVAL;
8a978234 1335
d29d41e2
JU		 1336 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
1337 if (!sbe)
1338 return -ENOMEM;
8a978234 1339
d29d41e2
JU		 1340 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1341 le32_to_cpu(be->priv.size));
8a978234 1342
d29d41e2
JU		 1343 dev_dbg(tplg->dev,
1344 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1345 be->hdr.name, be->hdr.access);
8a978234 1346
d29d41e2
JU		 1347 kc->private_value = (long)sbe;
1348 kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL);
1349 if (!kc->name)
1350 return -ENOMEM;
1351 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1352 kc->access = le32_to_cpu(be->hdr.access);
8a978234 1353
d29d41e2
JU		 1354 sbe->max = le32_to_cpu(be->max);
1355 INIT_LIST_HEAD(&sbe->dobj.list);
8a978234 1356
d29d41e2
JU		 1357 /* map standard io handlers and check for external handlers */
1358 err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg);
1359 if (err) {
1360 soc_control_err(tplg, &be->hdr, be->hdr.name);
1361 return err;
8a978234
LG		 1362 }
1363
d29d41e2
JU		 1364 /* pass control to driver for optional further init */
1365 err = soc_tplg_init_kcontrol(tplg, kc,
1366 (struct snd_soc_tplg_ctl_hdr *)be);
1367 if (err < 0) {
1368 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1369 be->hdr.name);
1370 return err;
1371 }
9f90af3a 1372
d29d41e2 1373 return 0;
8a978234
LG		 1374}
1375
1376static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1377 struct snd_soc_tplg_dapm_widget *w)
1378{
1379 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1380 struct snd_soc_dapm_widget template, *widget;
1381 struct snd_soc_tplg_ctl_hdr *control_hdr;
1382 struct snd_soc_card *card = tplg->comp->card;
b9c035aa 1383 unsigned int *kcontrol_type = NULL;
d29d41e2
JU		 1384 struct snd_kcontrol_new *kc;
1385 int mixer_count = 0;
1386 int bytes_count = 0;
1387 int enum_count = 0;
8a978234 1388 int ret = 0;
d29d41e2 1389 int i;
8a978234
LG		 1390
1391 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1392 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1393 return -EINVAL;
1394 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1395 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1396 return -EINVAL;
1397
1398 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1399 w->name, w->id);
1400
1401 memset(&template, 0, sizeof(template));
1402
1403 /* map user to kernel widget ID */
5aebe7c7 1404 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1405 if ((int)template.id < 0)
8a978234
LG		 1406 return template.id;
1407
c3421a6a 1408 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1409 template.name = kstrdup(w->name, GFP_KERNEL);
1410 if (!template.name)
1411 return -ENOMEM;
1412 template.sname = kstrdup(w->sname, GFP_KERNEL);
1413 if (!template.sname) {
1414 ret = -ENOMEM;
1415 goto err;
1416 }
5aebe7c7
PLB		 1417 template.reg = le32_to_cpu(w->reg);
1418 template.shift = le32_to_cpu(w->shift);
1419 template.mask = le32_to_cpu(w->mask);
1420 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1421 template.on_val = w->invert ? 0 : 1;
1422 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1423 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1424 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1425 template.dobj.index = tplg->index;
1426
1427 tplg->pos +=
5aebe7c7
PLB		 1428 (sizeof(struct snd_soc_tplg_dapm_widget) +
1429 le32_to_cpu(w->priv.size));
1430
8a978234
LG		 1431 if (w->num_kcontrols == 0) {
1432 template.num_kcontrols = 0;
1433 goto widget;
1434 }
1435
d29d41e2
JU		 1436 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
1437 kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
1438 if (!kc)
1439 goto err;
1440
1441 kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
1442 GFP_KERNEL);
1443 if (!kcontrol_type)
1444 goto err;
1445
1baad7da 1446 for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) {
d29d41e2
JU		 1447 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1448 switch (le32_to_cpu(control_hdr->ops.info)) {
1449 case SND_SOC_TPLG_CTL_VOLSW:
1450 case SND_SOC_TPLG_CTL_STROBE:
1451 case SND_SOC_TPLG_CTL_VOLSW_SX:
1452 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1453 case SND_SOC_TPLG_CTL_RANGE:
1454 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1455 /* volume mixer */
1456 kc[i].index = mixer_count;
1457 kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER;
1458 mixer_count++;
1459 ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]);
1460 if (ret < 0)
1461 goto hdr_err;
1462 break;
1463 case SND_SOC_TPLG_CTL_ENUM:
1464 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1465 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1466 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1467 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1468 /* enumerated mixer */
1469 kc[i].index = enum_count;
1470 kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM;
1471 enum_count++;
1472 ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]);
1473 if (ret < 0)
1474 goto hdr_err;
1475 break;
1476 case SND_SOC_TPLG_CTL_BYTES:
1477 /* bytes control */
1478 kc[i].index = bytes_count;
1479 kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES;
1480 bytes_count++;
1481 ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]);
1482 if (ret < 0)
1483 goto hdr_err;
1484 break;
1485 default:
1486 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1487 control_hdr->ops.get, control_hdr->ops.put,
1488 le32_to_cpu(control_hdr->ops.info));
1489 ret = -EINVAL;
8a978234
LG		 1490 goto hdr_err;
1491 }
8a978234
LG		 1492 }
1493
d29d41e2 1494 template.kcontrol_news = kc;
8facf84b
PU		 1495 dev_dbg(tplg->dev, "ASoC: template %s with %d/%d/%d (mixer/enum/bytes) control\n",
1496 w->name, mixer_count, enum_count, bytes_count);
d29d41e2 1497
8a978234
LG		 1498widget:
1499 ret = soc_tplg_widget_load(tplg, &template, w);
1500 if (ret < 0)
1501 goto hdr_err;
1502
1503 /* card dapm mutex is held by the core if we are loading topology
1504 * data during sound card init. */
1505 if (card->instantiated)
1506 widget = snd_soc_dapm_new_control(dapm, &template);
1507 else
1508 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1509 if (IS_ERR(widget)) {
1510 ret = PTR_ERR(widget);
8a978234
LG		 1511 goto hdr_err;
1512 }
1513
1514 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1515 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1516 widget->dobj.ops = tplg->ops;
1517 widget->dobj.index = tplg->index;
1518 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1519
1520 ret = soc_tplg_widget_ready(tplg, widget, w);
1521 if (ret < 0)
1522 goto ready_err;
1523
7620fe91
B		 1524 kfree(template.sname);
1525 kfree(template.name);
1526
8a978234
LG		 1527 return 0;
1528
ebd259d3 1529ready_err:
841fb109 1530 remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET);
ebd259d3 1531 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1532hdr_err:
1533 kfree(template.sname);
1534err:
1535 kfree(template.name);
1536 return ret;
1537}
1538
1539static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1540 struct snd_soc_tplg_hdr *hdr)
1541{
e9aa139f 1542 int count, i;
5aebe7c7
PLB		 1543
1544 count = le32_to_cpu(hdr->count);
8a978234 1545
8a978234
LG		 1546 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1547
1548 for (i = 0; i < count; i++) {
e9aa139f
KM		 1549 struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1550 int ret;
1551
2e288333
AS		 1552 /*
1553 * check if widget itself fits within topology file
1554 * use sizeof instead of widget->size, as we can't be sure
1555 * it is set properly yet (file may end before it is present)
1556 */
1557 if (soc_tplg_get_offset(tplg) + sizeof(*widget) >= tplg->fw->size) {
1558 dev_err(tplg->dev, "ASoC: invalid widget data size\n");
1559 return -EINVAL;
1560 }
1561
1562 /* check if widget has proper size */
5aebe7c7 1563 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1564 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1565 return -EINVAL;
1566 }
1567
2e288333
AS		 1568 /* check if widget private data fits within topology file */
1569 if (soc_tplg_get_offset(tplg) + le32_to_cpu(widget->priv.size) >= tplg->fw->size) {
1570 dev_err(tplg->dev, "ASoC: invalid widget private data size\n");
1571 return -EINVAL;
1572 }
1573
8a978234 1574 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1575 if (ret < 0) {
8a978234
LG		 1576 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1577 widget->name);
7de76b62
ML		 1578 return ret;
1579 }
8a978234
LG		 1580 }
1581
1582 return 0;
1583}
1584
1585static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1586{
1587 struct snd_soc_card *card = tplg->comp->card;
1588 int ret;
1589
1590 /* Card might not have been registered at this point.
1591 * If so, just return success.
1592 */
1593 if (!card || !card->instantiated) {
1594 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1595 " widget card binding deferred\n");
8a978234
LG		 1596 return 0;
1597 }
1598
1599 ret = snd_soc_dapm_new_widgets(card);
1600 if (ret < 0)
1601 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1602 ret);
1603
1604 return 0;
1605}
1606
ff922622
AS		 1607static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream,
1608 struct snd_soc_tplg_stream_caps *caps)
b6b6e4d6 1609{
ff922622 1610 stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL);
abc3caac
AS		 1611 if (!stream->stream_name)
1612 return -ENOMEM;
1613
5aebe7c7
PLB		 1614 stream->channels_min = le32_to_cpu(caps->channels_min);
1615 stream->channels_max = le32_to_cpu(caps->channels_max);
1616 stream->rates = le32_to_cpu(caps->rates);
1617 stream->rate_min = le32_to_cpu(caps->rate_min);
1618 stream->rate_max = le32_to_cpu(caps->rate_max);
1619 stream->formats = le64_to_cpu(caps->formats);
1620 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1621
1622 return 0;
b6b6e4d6
ML		 1623}
1624
0038be9a
ML		 1625static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1626 unsigned int flag_mask, unsigned int flags)
1627{
1628 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
f14654dd 1629 dai_drv->symmetric_rate =
47108a61 1630 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
0038be9a
ML		 1631
1632 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1633 dai_drv->symmetric_channels =
47108a61 1634 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ?
0038be9a
ML		 1635 1 : 0;
1636
1637 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1638 dai_drv->symmetric_sample_bits =
47108a61 1639 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
0038be9a
ML		 1640 1 : 0;
1641}
1642
64527e8a
ML		 1643static int soc_tplg_dai_create(struct soc_tplg *tplg,
1644 struct snd_soc_tplg_pcm *pcm)
1645{
1646 struct snd_soc_dai_driver *dai_drv;
1647 struct snd_soc_pcm_stream *stream;
1648 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1649 struct snd_soc_dai *dai;
1650 struct snd_soc_dapm_context *dapm =
1651 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1652 int ret;
1653
ff922622 1654 dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
64527e8a
ML		 1655 if (dai_drv == NULL)
1656 return -ENOMEM;
1657
abc3caac 1658 if (strlen(pcm->dai_name)) {
ff922622 1659 dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1660 if (!dai_drv->name) {
1661 ret = -ENOMEM;
1662 goto err;
1663 }
1664 }
5aebe7c7 1665 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1666
1667 if (pcm->playback) {
1668 stream = &dai_drv->playback;
1669 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 1670 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1671 if (ret < 0)
1672 goto err;
64527e8a
ML		 1673 }
1674
1675 if (pcm->capture) {
1676 stream = &dai_drv->capture;
1677 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 1678 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1679 if (ret < 0)
1680 goto err;
64527e8a
ML		 1681 }
1682
5db6aab6
LG		 1683 if (pcm->compress)
1684 dai_drv->compress_new = snd_soc_new_compress;
1685
64527e8a 1686 /* pass control to component driver for optional further init */
c60b613a 1687 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a 1688 if (ret < 0) {
e59db12b 1689 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 1690 goto err;
64527e8a
ML		 1691 }
1692
1693 dai_drv->dobj.index = tplg->index;
1694 dai_drv->dobj.ops = tplg->ops;
1695 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1696 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1697
1698 /* register the DAI to the component */
fc4cb1e1 1699 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
e443c205
KM		 1700 if (!dai)
1701 return -ENOMEM;
1702
1703 /* Create the DAI widgets here */
1704 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1705 if (ret != 0) {
1706 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
fc4cb1e1 1707 snd_soc_unregister_dai(dai);
e443c205
KM		 1708 return ret;
1709 }
1710
abc3caac
AS		 1711 return 0;
1712
1713err:
e443c205 1714 return ret;
64527e8a
ML		 1715}
1716
717a8e72
ML		 1717static void set_link_flags(struct snd_soc_dai_link *link,
1718 unsigned int flag_mask, unsigned int flags)
1719{
1720 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
f14654dd 1721 link->symmetric_rate =
47108a61 1722 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
717a8e72
ML		 1723
1724 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1725 link->symmetric_channels =
47108a61 1726 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ?
717a8e72
ML		 1727 1 : 0;
1728
1729 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1730 link->symmetric_sample_bits =
47108a61 1731 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
717a8e72 1732 1 : 0;
6ff67cca
ML		 1733
1734 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1735 link->ignore_suspend =
47108a61
PLB		 1736 (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ?
1737 1 : 0;
717a8e72
ML		 1738}
1739
67d1c21e 1740/* create the FE DAI link */
ab4bc5ee 1741static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1742 struct snd_soc_tplg_pcm *pcm)
1743{
1744 struct snd_soc_dai_link *link;
23b946ce 1745 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1746 int ret;
1747
3e6de894 1748 /* link + cpu + codec + platform */
ff922622 1749 link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1750 if (link == NULL)
1751 return -ENOMEM;
1752
23b946ce
KM		 1753 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1754
1755 link->cpus = &dlc[0];
1756 link->codecs = &dlc[1];
3e6de894 1757 link->platforms = &dlc[2];
23b946ce
KM		 1758
1759 link->num_cpus = 1;
1760 link->num_codecs = 1;
3e6de894 1761 link->num_platforms = 1;
23b946ce 1762
8ce1cbd6
JK		 1763 link->dobj.index = tplg->index;
1764 link->dobj.ops = tplg->ops;
1765 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1766
8f27c4ab 1767 if (strlen(pcm->pcm_name)) {
ff922622
AS		 1768 link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
1769 link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1770 if (!link->name || !link->stream_name) {
1771 ret = -ENOMEM;
1772 goto err;
1773 }
8f27c4ab 1774 }
5aebe7c7 1775 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1776
abc3caac 1777 if (strlen(pcm->dai_name)) {
ff922622 1778 link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1779 if (!link->cpus->dai_name) {
1780 ret = -ENOMEM;
1781 goto err;
1782 }
1783 }
8f27c4ab 1784
23b946ce
KM		 1785 link->codecs->name = "snd-soc-dummy";
1786 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1787
3e6de894
PLB		 1788 link->platforms->name = "snd-soc-dummy";
1789
67d1c21e
GS		 1790 /* enable DPCM */
1791 link->dynamic = 1;
5aebe7c7
PLB		 1792 link->dpcm_playback = le32_to_cpu(pcm->playback);
1793 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1794 if (pcm->flag_mask)
5aebe7c7
PLB		 1795 set_link_flags(link,
1796 le32_to_cpu(pcm->flag_mask),
1797 le32_to_cpu(pcm->flags));
67d1c21e 1798
acfc7d46 1799 /* pass control to component driver for optional further init */
c60b613a 1800 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46 1801 if (ret < 0) {
e59db12b 1802 dev_err(tplg->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1803 goto err;
1804 }
1805
2acf6ce2 1806 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036 1807 if (ret < 0) {
e59db12b 1808 dev_err(tplg->dev, "ASoC: adding FE link failed\n");
76d27036 1809 goto err;
acfc7d46
ML		 1810 }
1811
acfc7d46
ML		 1812 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1813
acfc7d46 1814 return 0;
76d27036 1815err:
76d27036 1816 return ret;
acfc7d46
ML		 1817}
1818
1819/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1820static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1821 struct snd_soc_tplg_pcm *pcm)
1822{
acfc7d46
ML		 1823 int ret;
1824
1825 ret = soc_tplg_dai_create(tplg, pcm);
1826 if (ret < 0)
1827 return ret;
1828
ab4bc5ee 1829 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1830}
1831
55726dc9
ML		 1832/* copy stream caps from the old version 4 of source */
1833static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1834 struct snd_soc_tplg_stream_caps_v4 *src)
1835{
5aebe7c7 1836 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 1837 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1838 dest->formats = src->formats;
1839 dest->rates = src->rates;
1840 dest->rate_min = src->rate_min;
1841 dest->rate_max = src->rate_max;
1842 dest->channels_min = src->channels_min;
1843 dest->channels_max = src->channels_max;
1844 dest->periods_min = src->periods_min;
1845 dest->periods_max = src->periods_max;
1846 dest->period_size_min = src->period_size_min;
1847 dest->period_size_max = src->period_size_max;
1848 dest->buffer_size_min = src->buffer_size_min;
1849 dest->buffer_size_max = src->buffer_size_max;
1850}
1851
1852/**
1853 * pcm_new_ver - Create the new version of PCM from the old version.
1854 * @tplg: topology context
1855 * @src: older version of pcm as a source
1856 * @pcm: latest version of pcm created from the source
1857 *
ce1f2571 1858 * Support from version 4. User should free the returned pcm manually.
55726dc9
ML		 1859 */
1860static int pcm_new_ver(struct soc_tplg *tplg,
1861 struct snd_soc_tplg_pcm *src,
1862 struct snd_soc_tplg_pcm **pcm)
1863{
1864 struct snd_soc_tplg_pcm *dest;
1865 struct snd_soc_tplg_pcm_v4 *src_v4;
1866 int i;
1867
1868 *pcm = NULL;
1869
5aebe7c7 1870 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 1871 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1872 return -EINVAL;
1873 }
1874
1875 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1876 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1877 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1878 if (!dest)
1879 return -ENOMEM;
1880
5aebe7c7 1881 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 1882 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1883 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1884 dest->pcm_id = src_v4->pcm_id;
1885 dest->dai_id = src_v4->dai_id;
1886 dest->playback = src_v4->playback;
1887 dest->capture = src_v4->capture;
1888 dest->compress = src_v4->compress;
1889 dest->num_streams = src_v4->num_streams;
5aebe7c7 1890 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 1891 memcpy(&dest->stream[i], &src_v4->stream[i],
1892 sizeof(struct snd_soc_tplg_stream));
1893
1894 for (i = 0; i < 2; i++)
1895 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1896
1897 *pcm = dest;
1898 return 0;
1899}
1900
64527e8a 1901static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1902 struct snd_soc_tplg_hdr *hdr)
1903{
55726dc9 1904 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 1905 int count;
1906 int size;
fd340455 1907 int i;
55726dc9 1908 bool abi_match;
a3039aef 1909 int ret;
8a978234 1910
5aebe7c7
PLB		 1911 count = le32_to_cpu(hdr->count);
1912
55726dc9
ML		 1913 /* check the element size and count */
1914 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 1915 size = le32_to_cpu(pcm->size);
1916 if (size > sizeof(struct snd_soc_tplg_pcm)
1917 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 1918 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 1919 size);
55726dc9
ML		 1920 return -EINVAL;
1921 }
1922
8a978234 1923 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 1924 size, count,
1925 le32_to_cpu(hdr->payload_size),
3ce57f22 1926 "PCM DAI"))
8a978234 1927 return -EINVAL;
8a978234 1928
64527e8a 1929 for (i = 0; i < count; i++) {
55726dc9 1930 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 1931 size = le32_to_cpu(pcm->size);
55726dc9
ML		 1932
1933 /* check ABI version by size, create a new version of pcm
1934 * if abi not match.
1935 */
5aebe7c7 1936 if (size == sizeof(*pcm)) {
55726dc9
ML		 1937 abi_match = true;
1938 _pcm = pcm;
1939 } else {
1940 abi_match = false;
b3677fc3
AS		 1941 ret = pcm_new_ver(tplg, pcm, &_pcm);
1942 if (ret < 0)
1943 return ret;
06eb49f7
ML		 1944 }
1945
55726dc9 1946 /* create the FE DAIs and DAI links */
a3039aef
DT		 1947 ret = soc_tplg_pcm_create(tplg, _pcm);
1948 if (ret < 0) {
1949 if (!abi_match)
1950 kfree(_pcm);
1951 return ret;
1952 }
55726dc9 1953
717a8e72
ML		 1954 /* offset by version-specific struct size and
1955 * real priv data size
1956 */
5aebe7c7 1957 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 1958
55726dc9
ML		 1959 if (!abi_match)
1960 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1961 }
1962
8a978234 1963 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1964
8a978234 1965 return 0;
8a978234
LG		 1966}
1967
593d9e52
ML		 1968/**
1969 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1970 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1971 * @cfg: physical link configs.
1972 *
1973 * Topology context contains a list of supported HW formats (configs) and
1974 * a default format ID for the physical link. This function will use this
1975 * default ID to choose the HW format to set the link's DAI format for init.
1976 */
1977static void set_link_hw_format(struct snd_soc_dai_link *link,
1978 struct snd_soc_tplg_link_config *cfg)
1979{
1980 struct snd_soc_tplg_hw_config *hw_config;
f026c123 1981 unsigned char bclk_provider, fsync_provider;
593d9e52
ML		 1982 unsigned char invert_bclk, invert_fsync;
1983 int i;
1984
5aebe7c7 1985 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 1986 hw_config = &cfg->hw_config[i];
1987 if (hw_config->id != cfg->default_hw_config_id)
1988 continue;
1989
5aebe7c7
PLB		 1990 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
1991 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 1992
933e1c4a 1993 /* clock gating */
fbeabd09
KM		 1994 switch (hw_config->clock_gated) {
1995 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 1996 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 1997 break;
1998
1999 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2000 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2001 break;
2002
2003 default:
2004 /* ignore the value */
2005 break;
2006 }
933e1c4a 2007
593d9e52
ML		 2008 /* clock signal polarity */
2009 invert_bclk = hw_config->invert_bclk;
2010 invert_fsync = hw_config->invert_fsync;
2011 if (!invert_bclk && !invert_fsync)
2012 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2013 else if (!invert_bclk && invert_fsync)
2014 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2015 else if (invert_bclk && !invert_fsync)
2016 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2017 else
2018 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2019
2020 /* clock masters */
f026c123
PLB		 2021 bclk_provider = (hw_config->bclk_provider ==
2022 SND_SOC_TPLG_BCLK_CP);
2023 fsync_provider = (hw_config->fsync_provider ==
2024 SND_SOC_TPLG_FSYNC_CP);
2025 if (bclk_provider && fsync_provider)
2026 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
2027 else if (!bclk_provider && fsync_provider)
2028 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP;
2029 else if (bclk_provider && !fsync_provider)
2030 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC;
593d9e52 2031 else
f026c123 2032 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
593d9e52
ML		 2033 }
2034}
2035
2036/**
2037 * link_new_ver - Create a new physical link config from the old
2038 * version of source.
8abab35f 2039 * @tplg: topology context
593d9e52
ML		 2040 * @src: old version of phyical link config as a source
2041 * @link: latest version of physical link config created from the source
2042 *
ce1f2571 2043 * Support from version 4. User need free the returned link config manually.
593d9e52
ML		 2044 */
2045static int link_new_ver(struct soc_tplg *tplg,
2046 struct snd_soc_tplg_link_config *src,
2047 struct snd_soc_tplg_link_config **link)
2048{
2049 struct snd_soc_tplg_link_config *dest;
2050 struct snd_soc_tplg_link_config_v4 *src_v4;
2051 int i;
2052
2053 *link = NULL;
2054
5aebe7c7
PLB		 2055 if (le32_to_cpu(src->size) !=
2056 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2057 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2058 return -EINVAL;
2059 }
2060
2061 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2062
2063 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2064 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2065 if (!dest)
2066 return -ENOMEM;
2067
5aebe7c7 2068 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2069 dest->id = src_v4->id;
2070 dest->num_streams = src_v4->num_streams;
5aebe7c7 2071 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2072 memcpy(&dest->stream[i], &src_v4->stream[i],
2073 sizeof(struct snd_soc_tplg_stream));
2074
2075 *link = dest;
2076 return 0;
2077}
2078
d6f31e0e
KM		 2079/**
2080 * snd_soc_find_dai_link - Find a DAI link
2081 *
2082 * @card: soc card
2083 * @id: DAI link ID to match
2084 * @name: DAI link name to match, optional
2085 * @stream_name: DAI link stream name to match, optional
2086 *
2087 * This function will search all existing DAI links of the soc card to
2088 * find the link of the same ID. Since DAI links may not have their
2089 * unique ID, so name and stream name should also match if being
2090 * specified.
2091 *
2092 * Return: pointer of DAI link, or NULL if not found.
2093 */
2094static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2095 int id, const char *name,
2096 const char *stream_name)
2097{
2098 struct snd_soc_pcm_runtime *rtd;
d6f31e0e
KM		 2099
2100 for_each_card_rtds(card, rtd) {
b81e8efa 2101 struct snd_soc_dai_link *link = rtd->dai_link;
d6f31e0e
KM		 2102
2103 if (link->id != id)
2104 continue;
2105
2106 if (name && (!link->name || strcmp(name, link->name)))
2107 continue;
2108
2109 if (stream_name && (!link->stream_name
2110 || strcmp(stream_name, link->stream_name)))
2111 continue;
2112
2113 return link;
2114 }
2115
2116 return NULL;
2117}
2118
593d9e52
ML		 2119/* Find and configure an existing physical DAI link */
2120static int soc_tplg_link_config(struct soc_tplg *tplg,
2121 struct snd_soc_tplg_link_config *cfg)
2122{
2123 struct snd_soc_dai_link *link;
2124 const char *name, *stream_name;
dbab1cb8 2125 size_t len;
593d9e52
ML		 2126 int ret;
2127
dbab1cb8
ML		 2128 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2129 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2130 return -EINVAL;
2131 else if (len)
2132 name = cfg->name;
2133 else
2134 name = NULL;
2135
2136 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2137 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2138 return -EINVAL;
2139 else if (len)
2140 stream_name = cfg->stream_name;
2141 else
2142 stream_name = NULL;
593d9e52 2143
5aebe7c7 2144 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2145 name, stream_name);
2146 if (!link) {
2147 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2148 name, cfg->id);
2149 return -EINVAL;
2150 }
2151
2152 /* hw format */
2153 if (cfg->num_hw_configs)
2154 set_link_hw_format(link, cfg);
2155
2156 /* flags */
2157 if (cfg->flag_mask)
5aebe7c7
PLB		 2158 set_link_flags(link,
2159 le32_to_cpu(cfg->flag_mask),
2160 le32_to_cpu(cfg->flags));
593d9e52
ML		 2161
2162 /* pass control to component driver for optional further init */
c60b613a 2163 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2164 if (ret < 0) {
2165 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2166 return ret;
2167 }
2168
adfebb51
B		 2169 /* for unloading it in snd_soc_tplg_component_remove */
2170 link->dobj.index = tplg->index;
2171 link->dobj.ops = tplg->ops;
2172 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2173 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2174
593d9e52
ML		 2175 return 0;
2176}
2177
2178
2179/* Load physical link config elements from the topology context */
2180static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2181 struct snd_soc_tplg_hdr *hdr)
2182{
2183 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2184 int count;
2185 int size;
593d9e52
ML		 2186 int i, ret;
2187 bool abi_match;
2188
5aebe7c7
PLB		 2189 count = le32_to_cpu(hdr->count);
2190
593d9e52
ML		 2191 /* check the element size and count */
2192 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2193 size = le32_to_cpu(link->size);
2194 if (size > sizeof(struct snd_soc_tplg_link_config)
2195 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2196 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2197 size);
593d9e52
ML		 2198 return -EINVAL;
2199 }
2200
3ce57f22 2201 if (soc_tplg_check_elem_count(tplg, size, count,
5aebe7c7 2202 le32_to_cpu(hdr->payload_size),
3ce57f22 2203 "physical link config"))
593d9e52 2204 return -EINVAL;
593d9e52
ML		 2205
2206 /* config physical DAI links */
2207 for (i = 0; i < count; i++) {
2208 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2209 size = le32_to_cpu(link->size);
2210 if (size == sizeof(*link)) {
593d9e52
ML		 2211 abi_match = true;
2212 _link = link;
2213 } else {
2214 abi_match = false;
2215 ret = link_new_ver(tplg, link, &_link);
2216 if (ret < 0)
2217 return ret;
2218 }
2219
2220 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2221 if (ret < 0) {
2222 if (!abi_match)
2223 kfree(_link);
593d9e52 2224 return ret;
2b2d5c4d 2225 }
593d9e52
ML		 2226
2227 /* offset by version-specific struct size and
2228 * real priv data size
2229 */
5aebe7c7 2230 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2231
2232 if (!abi_match)
2233 kfree(_link); /* free the duplicated one */
2234 }
2235
2236 return 0;
2237}
2238
9aa3f034
ML		 2239/**
2240 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2241 * @tplg: topology context
9aa3f034 2242 * @d: physical DAI configs.
0038be9a 2243 *
9aa3f034
ML		 2244 * The physical dai should already be registered by the platform driver.
2245 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2246 */
9aa3f034
ML		 2247static int soc_tplg_dai_config(struct soc_tplg *tplg,
2248 struct snd_soc_tplg_dai *d)
0038be9a 2249{
5aebe7c7 2250 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2251 struct snd_soc_dai *dai;
2252 struct snd_soc_dai_driver *dai_drv;
2253 struct snd_soc_pcm_stream *stream;
2254 struct snd_soc_tplg_stream_caps *caps;
2255 int ret;
2256
5aebe7c7
PLB		 2257 memset(&dai_component, 0, sizeof(dai_component));
2258
9aa3f034 2259 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2260 dai = snd_soc_find_dai(&dai_component);
2261 if (!dai) {
9aa3f034
ML		 2262 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2263 d->dai_name);
0038be9a
ML		 2264 return -EINVAL;
2265 }
2266
5aebe7c7 2267 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2268 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2269 d->dai_name);
0038be9a
ML		 2270 return -EINVAL;
2271 }
2272
2273 dai_drv = dai->driver;
2274 if (!dai_drv)
2275 return -EINVAL;
2276
9aa3f034 2277 if (d->playback) {
0038be9a 2278 stream = &dai_drv->playback;
9aa3f034 2279 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 2280 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2281 if (ret < 0)
2282 goto err;
0038be9a
ML		 2283 }
2284
9aa3f034 2285 if (d->capture) {
0038be9a 2286 stream = &dai_drv->capture;
9aa3f034 2287 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 2288 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2289 if (ret < 0)
2290 goto err;
0038be9a
ML		 2291 }
2292
9aa3f034 2293 if (d->flag_mask)
5aebe7c7
PLB		 2294 set_dai_flags(dai_drv,
2295 le32_to_cpu(d->flag_mask),
2296 le32_to_cpu(d->flags));
0038be9a
ML		 2297
2298 /* pass control to component driver for optional further init */
c60b613a 2299 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a 2300 if (ret < 0) {
e59db12b 2301 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 2302 goto err;
0038be9a
ML		 2303 }
2304
2305 return 0;
abc3caac
AS		 2306
2307err:
abc3caac 2308 return ret;
0038be9a
ML		 2309}
2310
9aa3f034
ML		 2311/* load physical DAI elements */
2312static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2313 struct snd_soc_tplg_hdr *hdr)
0038be9a 2314{
5aebe7c7 2315 int count;
65a4cfdd 2316 int i;
0038be9a 2317
5aebe7c7
PLB		 2318 count = le32_to_cpu(hdr->count);
2319
0038be9a
ML		 2320 /* config the existing BE DAIs */
2321 for (i = 0; i < count; i++) {
65a4cfdd
KM		 2322 struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos;
2323 int ret;
2324
5aebe7c7 2325 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2326 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2327 return -EINVAL;
2328 }
2329
dd8e871d
AS		 2330 ret = soc_tplg_dai_config(tplg, dai);
2331 if (ret < 0) {
2332 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2333 return ret;
2334 }
2335
5aebe7c7 2336 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2337 }
2338
2339 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2340 return 0;
2341}
2342
583958fa
ML		 2343/**
2344 * manifest_new_ver - Create a new version of manifest from the old version
2345 * of source.
8abab35f 2346 * @tplg: topology context
583958fa
ML		 2347 * @src: old version of manifest as a source
2348 * @manifest: latest version of manifest created from the source
2349 *
ce1f2571 2350 * Support from version 4. Users need free the returned manifest manually.
583958fa
ML		 2351 */
2352static int manifest_new_ver(struct soc_tplg *tplg,
2353 struct snd_soc_tplg_manifest *src,
2354 struct snd_soc_tplg_manifest **manifest)
2355{
2356 struct snd_soc_tplg_manifest *dest;
2357 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2358 int size;
583958fa
ML		 2359
2360 *manifest = NULL;
2361
5aebe7c7
PLB		 2362 size = le32_to_cpu(src->size);
2363 if (size != sizeof(*src_v4)) {
ac9391da 2364 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2365 size);
2366 if (size)
ac9391da 2367 return -EINVAL;
5aebe7c7 2368 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2369 }
2370
2371 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2372
2373 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2374 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2375 GFP_KERNEL);
583958fa
ML		 2376 if (!dest)
2377 return -ENOMEM;
2378
5aebe7c7 2379 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2380 dest->control_elems = src_v4->control_elems;
2381 dest->widget_elems = src_v4->widget_elems;
2382 dest->graph_elems = src_v4->graph_elems;
2383 dest->pcm_elems = src_v4->pcm_elems;
2384 dest->dai_link_elems = src_v4->dai_link_elems;
2385 dest->priv.size = src_v4->priv.size;
2386 if (dest->priv.size)
2387 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2388 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2389
2390 *manifest = dest;
2391 return 0;
2392}
0038be9a 2393
8a978234 2394static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2395 struct snd_soc_tplg_hdr *hdr)
8a978234 2396{
583958fa
ML		 2397 struct snd_soc_tplg_manifest *manifest, *_manifest;
2398 bool abi_match;
242c46c0 2399 int ret = 0;
8a978234 2400
8a978234 2401 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2402
583958fa 2403 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2404 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2405 abi_match = true;
2406 _manifest = manifest;
2407 } else {
2408 abi_match = false;
86e2d14b 2409
242c46c0
DT		 2410 ret = manifest_new_ver(tplg, manifest, &_manifest);
2411 if (ret < 0)
2412 return ret;
583958fa 2413 }
8a978234 2414
583958fa 2415 /* pass control to component driver for optional further init */
c42464a4 2416 if (tplg->ops && tplg->ops->manifest)
242c46c0 2417 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2418
2419 if (!abi_match) /* free the duplicated one */
2420 kfree(_manifest);
8a978234 2421
242c46c0 2422 return ret;
8a978234
LG		 2423}
2424
2425/* validate header magic, size and type */
2426static int soc_valid_header(struct soc_tplg *tplg,
2427 struct snd_soc_tplg_hdr *hdr)
2428{
2429 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2430 return 0;
2431
5aebe7c7 2432 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2433 dev_err(tplg->dev,
2434 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2435 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2436 tplg->fw->size);
2437 return -EINVAL;
2438 }
2439
86e2d14b
CR		 2440 if (soc_tplg_get_hdr_offset(tplg) + hdr->payload_size >= tplg->fw->size) {
2441 dev_err(tplg->dev,
2442 "ASoC: invalid header of type %d at offset %ld payload_size %d\n",
2443 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
2444 hdr->payload_size);
2445 return -EINVAL;
2446 }
2447
8a978234 2448 /* big endian firmware objects not supported atm */
26d87881 2449 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2450 dev_err(tplg->dev,
2451 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2452 tplg->pass, hdr->magic,
2453 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2454 return -EINVAL;
2455 }
2456
5aebe7c7 2457 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2458 dev_err(tplg->dev,
2459 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2460 tplg->pass, hdr->magic,
2461 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2462 return -EINVAL;
2463 }
2464
288b8da7 2465 /* Support ABI from version 4 */
5aebe7c7
PLB		 2466 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2467 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2468 dev_err(tplg->dev,
2469 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2470 tplg->pass, hdr->abi,
2471 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2472 tplg->fw->size);
2473 return -EINVAL;
2474 }
2475
2476 if (hdr->payload_size == 0) {
2477 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2478 soc_tplg_get_hdr_offset(tplg));
2479 return -EINVAL;
2480 }
2481
8a978234
LG		 2482 return 1;
2483}
2484
2485/* check header type and call appropriate handler */
2486static int soc_tplg_load_header(struct soc_tplg *tplg,
2487 struct snd_soc_tplg_hdr *hdr)
2488{
82ed7418
KJ		 2489 int (*elem_load)(struct soc_tplg *tplg,
2490 struct snd_soc_tplg_hdr *hdr);
2491 unsigned int hdr_pass;
2492
8a978234
LG		 2493 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2494
5aebe7c7 2495 tplg->index = le32_to_cpu(hdr->index);
8a978234 2496
5aebe7c7 2497 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2498 case SND_SOC_TPLG_TYPE_MIXER:
2499 case SND_SOC_TPLG_TYPE_ENUM:
2500 case SND_SOC_TPLG_TYPE_BYTES:
82ed7418
KJ		 2501 hdr_pass = SOC_TPLG_PASS_MIXER;
2502 elem_load = soc_tplg_kcontrol_elems_load;
2503 break;
8a978234 2504 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2505 hdr_pass = SOC_TPLG_PASS_GRAPH;
2506 elem_load = soc_tplg_dapm_graph_elems_load;
2507 break;
8a978234 2508 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2509 hdr_pass = SOC_TPLG_PASS_WIDGET;
2510 elem_load = soc_tplg_dapm_widget_elems_load;
2511 break;
8a978234 2512 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2513 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2514 elem_load = soc_tplg_pcm_elems_load;
2515 break;
3fbf7935 2516 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2517 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2518 elem_load = soc_tplg_dai_elems_load;
2519 break;
593d9e52
ML		 2520 case SND_SOC_TPLG_TYPE_DAI_LINK:
2521 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2522 /* physical link configurations */
82ed7418
KJ		 2523 hdr_pass = SOC_TPLG_PASS_LINK;
2524 elem_load = soc_tplg_link_elems_load;
2525 break;
8a978234 2526 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2527 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2528 elem_load = soc_tplg_manifest_load;
2529 break;
8a978234
LG		 2530 default:
2531 /* bespoke vendor data object */
82ed7418
KJ		 2532 hdr_pass = SOC_TPLG_PASS_VENDOR;
2533 elem_load = soc_tplg_vendor_load;
2534 break;
2535 }
2536
2537 if (tplg->pass == hdr_pass) {
2538 dev_dbg(tplg->dev,
2539 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2540 hdr->payload_size, hdr->type, hdr->version,
2541 hdr->vendor_type, tplg->pass);
2542 return elem_load(tplg, hdr);
8a978234
LG		 2543 }
2544
2545 return 0;
2546}
2547
2548/* process the topology file headers */
2549static int soc_tplg_process_headers(struct soc_tplg *tplg)
2550{
8a978234
LG		 2551 int ret;
2552
8a978234 2553 /* process the header types from start to end */
395f8fd6 2554 for (tplg->pass = SOC_TPLG_PASS_START; tplg->pass <= SOC_TPLG_PASS_END; tplg->pass++) {
f79e4b2a 2555 struct snd_soc_tplg_hdr *hdr;
8a978234
LG		 2556
2557 tplg->hdr_pos = tplg->fw->data;
2558 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2559
2560 while (!soc_tplg_is_eof(tplg)) {
2561
2562 /* make sure header is valid before loading */
2563 ret = soc_valid_header(tplg, hdr);
8bf9475f
PLB		 2564 if (ret < 0) {
2565 dev_err(tplg->dev,
2566 "ASoC: topology: invalid header: %d\n", ret);
8a978234 2567 return ret;
8bf9475f 2568 } else if (ret == 0) {
8a978234 2569 break;
8bf9475f 2570 }
8a978234
LG		 2571
2572 /* load the header object */
2573 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f
PLB		 2574 if (ret < 0) {
2575 dev_err(tplg->dev,
2576 "ASoC: topology: could not load header: %d\n", ret);
8a978234 2577 return ret;
8bf9475f 2578 }
8a978234
LG		 2579
2580 /* goto next header */
5aebe7c7 2581 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2582 sizeof(struct snd_soc_tplg_hdr);
2583 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2584 }
2585
8a978234
LG		 2586 }
2587
2588 /* signal DAPM we are complete */
2589 ret = soc_tplg_dapm_complete(tplg);
2590 if (ret < 0)
2591 dev_err(tplg->dev,
2592 "ASoC: failed to initialise DAPM from Firmware\n");
2593
2594 return ret;
2595}
2596
2597static int soc_tplg_load(struct soc_tplg *tplg)
2598{
2599 int ret;
2600
2601 ret = soc_tplg_process_headers(tplg);
2602 if (ret == 0)
415717e1 2603 return soc_tplg_complete(tplg);
8a978234
LG		 2604
2605 return ret;
2606}
2607
2608/* load audio component topology from "firmware" file */
2609int snd_soc_tplg_component_load(struct snd_soc_component *comp,
a5b8f71c 2610 struct snd_soc_tplg_ops *ops, const struct firmware *fw)
8a978234
LG		 2611{
2612 struct soc_tplg tplg;
304017d3 2613 int ret;
8a978234 2614
d40ab86f
AS		 2615 /*
2616 * check if we have sane parameters:
2617 * comp - needs to exist to keep and reference data while parsing
d40ab86f 2618 * comp->card - used for setting card related parameters
f714fbc1 2619 * comp->card->dev - used for resource management and prints
d40ab86f
AS		 2620 * fw - we need it, as it is the very thing we parse
2621 */
f714fbc1 2622 if (!comp || !comp->card || !comp->card->dev || !fw)
c42464a4 2623 return -EINVAL;
8a978234
LG		 2624
2625 /* setup parsing context */
2626 memset(&tplg, 0, sizeof(tplg));
2627 tplg.fw = fw;
f714fbc1 2628 tplg.dev = comp->card->dev;
8a978234 2629 tplg.comp = comp;
9c88a983
AS		 2630 if (ops) {
2631 tplg.ops = ops;
2632 tplg.io_ops = ops->io_ops;
2633 tplg.io_ops_count = ops->io_ops_count;
2634 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2635 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2636 }
8a978234 2637
304017d3
B		 2638 ret = soc_tplg_load(&tplg);
2639 /* free the created components if fail to load topology */
2640 if (ret)
a5b8f71c 2641 snd_soc_tplg_component_remove(comp);
304017d3
B		 2642
2643 return ret;
8a978234
LG		 2644}
2645EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2646
8a978234 2647/* remove dynamic controls from the component driver */
a5b8f71c 2648int snd_soc_tplg_component_remove(struct snd_soc_component *comp)
8a978234 2649{
7e567b5a 2650 struct snd_card *card = comp->card->snd_card;
8a978234 2651 struct snd_soc_dobj *dobj, *next_dobj;
395f8fd6 2652 int pass;
8a978234
LG		 2653
2654 /* process the header types from end to start */
395f8fd6 2655 for (pass = SOC_TPLG_PASS_END; pass >= SOC_TPLG_PASS_START; pass--) {
8a978234
LG		 2656
2657 /* remove mixer controls */
7e567b5a 2658 down_write(&card->controls_rwsem);
8a978234
LG		 2659 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2660 list) {
2661
8a978234
LG		 2662 switch (dobj->type) {
2663 case SND_SOC_DOBJ_MIXER:
2664 remove_mixer(comp, dobj, pass);
2665 break;
2666 case SND_SOC_DOBJ_ENUM:
2667 remove_enum(comp, dobj, pass);
2668 break;
2669 case SND_SOC_DOBJ_BYTES:
2670 remove_bytes(comp, dobj, pass);
2671 break;
7df04ea7
RS		 2672 case SND_SOC_DOBJ_GRAPH:
2673 remove_route(comp, dobj, pass);
2674 break;
8a978234
LG		 2675 case SND_SOC_DOBJ_WIDGET:
2676 remove_widget(comp, dobj, pass);
2677 break;
2678 case SND_SOC_DOBJ_PCM:
64527e8a 2679 remove_dai(comp, dobj, pass);
8a978234 2680 break;
acfc7d46
ML		 2681 case SND_SOC_DOBJ_DAI_LINK:
2682 remove_link(comp, dobj, pass);
2683 break;
adfebb51
B		 2684 case SND_SOC_DOBJ_BACKEND_LINK:
2685 /*
2686 * call link_unload ops if extra
2687 * deinitialization is needed.
2688 */
2689 remove_backend_link(comp, dobj, pass);
2690 break;
8a978234
LG		 2691 default:
2692 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2693 dobj->type);
2694 break;
2695 }
2696 }
7e567b5a 2697 up_write(&card->controls_rwsem);
8a978234
LG		 2698 }
2699
2700 /* let caller know if FW can be freed when no objects are left */
2701 return !list_empty(&comp->dobj_list);
2702}
2703EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)