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ASoC: topology: Allow TLV control to be either read or write
[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;
7df04ea7 1097 struct snd_soc_dapm_route **routes;
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
RS		 1111 /* allocate memory for pointer to array of dapm routes */
1112 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1113 GFP_KERNEL);
1114 if (!routes)
1115 return -ENOMEM;
1116
1117 /*
1118 * allocate memory for each dapm route in the array.
1119 * This needs to be done individually so that
1120 * each route can be freed when it is removed in remove_route().
1121 */
1122 for (i = 0; i < count; i++) {
ff922622
AS		 1123 routes[i] = devm_kzalloc(tplg->dev, sizeof(*routes[i]), GFP_KERNEL);
1124 if (!routes[i])
7df04ea7 1125 return -ENOMEM;
7df04ea7
RS		 1126 }
1127
8a978234
LG		 1128 for (i = 0; i < count; i++) {
1129 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1130 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1131
1132 /* validate routes */
1133 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1134 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1135 ret = -EINVAL;
1136 break;
1137 }
8a978234 1138 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1139 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1140 ret = -EINVAL;
1141 break;
1142 }
8a978234 1143 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1144 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1145 ret = -EINVAL;
1146 break;
1147 }
1148
1149 routes[i]->source = elem->source;
1150 routes[i]->sink = elem->sink;
8a978234 1151
7df04ea7
RS		 1152 /* set to NULL atm for tplg users */
1153 routes[i]->connected = NULL;
8a978234 1154 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1155 routes[i]->control = NULL;
8a978234 1156 else
7df04ea7
RS		 1157 routes[i]->control = elem->control;
1158
1159 /* add route dobj to dobj_list */
1160 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1161 routes[i]->dobj.ops = tplg->ops;
1162 routes[i]->dobj.index = tplg->index;
1163 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1164
6856e887 1165 ret = soc_tplg_add_route(tplg, routes[i]);
6f0307df 1166 if (ret < 0) {
8bf9475f 1167 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6f0307df
PLB		 1168 /*
1169 * this route was added to the list, it will
1170 * be freed in remove_route() so increment the
1171 * counter to skip it in the error handling
1172 * below.
1173 */
1174 i++;
6856e887 1175 break;
6f0307df 1176 }
503e79b7 1177
8a978234 1178 /* add route, but keep going if some fail */
7df04ea7 1179 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1180 }
1181
7df04ea7
RS		 1182 /*
1183 * free pointer to array of dapm routes as this is no longer needed.
1184 * The memory allocated for each dapm route will be freed
1185 * when it is removed in remove_route().
1186 */
1187 kfree(routes);
1188
1189 return ret;
8a978234
LG		 1190}
1191
d29d41e2 1192static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1193{
8a978234
LG		 1194 struct soc_mixer_control *sm;
1195 struct snd_soc_tplg_mixer_control *mc;
d29d41e2 1196 int err;
9f90af3a 1197
d29d41e2 1198 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1199
d29d41e2
JU		 1200 /* validate kcontrol */
1201 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1202 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1203 return -EINVAL;
8a978234 1204
d29d41e2
JU		 1205 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
1206 if (!sm)
1207 return -ENOMEM;
8a978234 1208
d29d41e2
JU		 1209 tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) +
1210 le32_to_cpu(mc->priv.size);
8a978234 1211
d29d41e2
JU		 1212 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n",
1213 mc->hdr.name);
8a978234 1214
d29d41e2
JU		 1215 kc->private_value = (long)sm;
1216 kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL);
1217 if (!kc->name)
1218 return -ENOMEM;
1219 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1220 kc->access = le32_to_cpu(mc->hdr.access);
1221
1222 /* we only support FL/FR channel mapping atm */
1223 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1224 SNDRV_CHMAP_FL);
1225 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1226 SNDRV_CHMAP_FR);
1227 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1228 SNDRV_CHMAP_FL);
1229 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1230 SNDRV_CHMAP_FR);
1231
1232 sm->max = le32_to_cpu(mc->max);
1233 sm->min = le32_to_cpu(mc->min);
1234 sm->invert = le32_to_cpu(mc->invert);
1235 sm->platform_max = le32_to_cpu(mc->platform_max);
1236 sm->dobj.index = tplg->index;
1237 INIT_LIST_HEAD(&sm->dobj.list);
1238
1239 /* map io handlers */
1240 err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg);
1241 if (err) {
1242 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1243 return err;
1244 }
8a978234 1245
d29d41e2
JU		 1246 /* create any TLV data */
1247 err = soc_tplg_create_tlv(tplg, kc, &mc->hdr);
1248 if (err < 0) {
1249 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1250 mc->hdr.name);
1251 return err;
1252 }
3789debf 1253
d29d41e2
JU		 1254 /* pass control to driver for optional further init */
1255 err = soc_tplg_init_kcontrol(tplg, kc,
1256 (struct snd_soc_tplg_ctl_hdr *)mc);
1257 if (err < 0) {
1258 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1259 mc->hdr.name);
1260 return err;
8a978234 1261 }
8a978234 1262
d29d41e2 1263 return 0;
8a978234
LG		 1264}
1265
d29d41e2 1266static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1267{
8a978234
LG		 1268 struct snd_soc_tplg_enum_control *ec;
1269 struct soc_enum *se;
d29d41e2 1270 int err;
1a7dd6e2 1271
d29d41e2
JU		 1272 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1273 /* validate kcontrol */
1274 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1275 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1276 return -EINVAL;
8a978234 1277
d29d41e2
JU		 1278 se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL);
1279 if (!se)
1280 return -ENOMEM;
02b64245 1281
d29d41e2
JU		 1282 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1283 le32_to_cpu(ec->priv.size));
8a978234 1284
d29d41e2
JU		 1285 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1286 ec->hdr.name);
8a978234 1287
d29d41e2
JU		 1288 kc->private_value = (long)se;
1289 kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL);
1290 if (!kc->name)
1291 return -ENOMEM;
1292 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1293 kc->access = le32_to_cpu(ec->hdr.access);
8a978234 1294
d29d41e2
JU		 1295 /* we only support FL/FR channel mapping atm */
1296 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1297 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1298 SNDRV_CHMAP_FL);
1299 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1300 SNDRV_CHMAP_FR);
8a978234 1301
d29d41e2
JU		 1302 se->items = le32_to_cpu(ec->items);
1303 se->mask = le32_to_cpu(ec->mask);
1304 se->dobj.index = tplg->index;
1a7dd6e2 1305
d29d41e2
JU		 1306 switch (le32_to_cpu(ec->hdr.ops.info)) {
1307 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1308 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1309 err = soc_tplg_denum_create_values(tplg, se, ec);
1310 if (err < 0) {
1311 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1312 ec->hdr.name);
1313 return err;
1a7dd6e2 1314 }
d29d41e2
JU		 1315 fallthrough;
1316 case SND_SOC_TPLG_CTL_ENUM:
1317 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1318 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1319 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234 1320 if (err < 0) {
d29d41e2 1321 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
8a978234 1322 ec->hdr.name);
d29d41e2 1323 return err;
8a978234 1324 }
d29d41e2
JU		 1325 break;
1326 default:
1327 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1328 ec->hdr.ops.info, ec->hdr.name);
1329 return -EINVAL;
8a978234
LG		 1330 }
1331
d29d41e2
JU		 1332 /* map io handlers */
1333 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
1334 if (err) {
1335 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1336 return err;
1337 }
8a978234 1338
d29d41e2
JU		 1339 /* pass control to driver for optional further init */
1340 err = soc_tplg_init_kcontrol(tplg, kc,
1341 (struct snd_soc_tplg_ctl_hdr *)ec);
1342 if (err < 0) {
1343 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1344 ec->hdr.name);
1345 return err;
1346 }
1347
1348 return 0;
8a978234
LG		 1349}
1350
d29d41e2 1351static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234
LG		 1352{
1353 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1354 struct soc_bytes_ext *sbe;
d29d41e2 1355 int err;
8a978234 1356
d29d41e2 1357 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 1358
d29d41e2
JU		 1359 /* validate kcontrol */
1360 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1361 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1362 return -EINVAL;
8a978234 1363
d29d41e2
JU		 1364 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
1365 if (!sbe)
1366 return -ENOMEM;
8a978234 1367
d29d41e2
JU		 1368 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1369 le32_to_cpu(be->priv.size));
8a978234 1370
d29d41e2
JU		 1371 dev_dbg(tplg->dev,
1372 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1373 be->hdr.name, be->hdr.access);
8a978234 1374
d29d41e2
JU		 1375 kc->private_value = (long)sbe;
1376 kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL);
1377 if (!kc->name)
1378 return -ENOMEM;
1379 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1380 kc->access = le32_to_cpu(be->hdr.access);
8a978234 1381
d29d41e2
JU		 1382 sbe->max = le32_to_cpu(be->max);
1383 INIT_LIST_HEAD(&sbe->dobj.list);
8a978234 1384
d29d41e2
JU		 1385 /* map standard io handlers and check for external handlers */
1386 err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg);
1387 if (err) {
1388 soc_control_err(tplg, &be->hdr, be->hdr.name);
1389 return err;
8a978234
LG		 1390 }
1391
d29d41e2
JU		 1392 /* pass control to driver for optional further init */
1393 err = soc_tplg_init_kcontrol(tplg, kc,
1394 (struct snd_soc_tplg_ctl_hdr *)be);
1395 if (err < 0) {
1396 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1397 be->hdr.name);
1398 return err;
1399 }
9f90af3a 1400
d29d41e2 1401 return 0;
8a978234
LG		 1402}
1403
1404static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1405 struct snd_soc_tplg_dapm_widget *w)
1406{
1407 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1408 struct snd_soc_dapm_widget template, *widget;
1409 struct snd_soc_tplg_ctl_hdr *control_hdr;
1410 struct snd_soc_card *card = tplg->comp->card;
b9c035aa 1411 unsigned int *kcontrol_type = NULL;
d29d41e2
JU		 1412 struct snd_kcontrol_new *kc;
1413 int mixer_count = 0;
1414 int bytes_count = 0;
1415 int enum_count = 0;
8a978234 1416 int ret = 0;
d29d41e2 1417 int i;
8a978234
LG		 1418
1419 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1420 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1421 return -EINVAL;
1422 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1423 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1424 return -EINVAL;
1425
1426 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1427 w->name, w->id);
1428
1429 memset(&template, 0, sizeof(template));
1430
1431 /* map user to kernel widget ID */
5aebe7c7 1432 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1433 if ((int)template.id < 0)
8a978234
LG		 1434 return template.id;
1435
c3421a6a 1436 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1437 template.name = kstrdup(w->name, GFP_KERNEL);
1438 if (!template.name)
1439 return -ENOMEM;
1440 template.sname = kstrdup(w->sname, GFP_KERNEL);
1441 if (!template.sname) {
1442 ret = -ENOMEM;
1443 goto err;
1444 }
5aebe7c7
PLB		 1445 template.reg = le32_to_cpu(w->reg);
1446 template.shift = le32_to_cpu(w->shift);
1447 template.mask = le32_to_cpu(w->mask);
1448 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1449 template.on_val = w->invert ? 0 : 1;
1450 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1451 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1452 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1453 template.dobj.index = tplg->index;
1454
1455 tplg->pos +=
5aebe7c7
PLB		 1456 (sizeof(struct snd_soc_tplg_dapm_widget) +
1457 le32_to_cpu(w->priv.size));
1458
8a978234
LG		 1459 if (w->num_kcontrols == 0) {
1460 template.num_kcontrols = 0;
1461 goto widget;
1462 }
1463
d29d41e2
JU		 1464 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
1465 kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
1466 if (!kc)
1467 goto err;
1468
1469 kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
1470 GFP_KERNEL);
1471 if (!kcontrol_type)
1472 goto err;
1473
1baad7da 1474 for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) {
d29d41e2
JU		 1475 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1476 switch (le32_to_cpu(control_hdr->ops.info)) {
1477 case SND_SOC_TPLG_CTL_VOLSW:
1478 case SND_SOC_TPLG_CTL_STROBE:
1479 case SND_SOC_TPLG_CTL_VOLSW_SX:
1480 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1481 case SND_SOC_TPLG_CTL_RANGE:
1482 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1483 /* volume mixer */
1484 kc[i].index = mixer_count;
1485 kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER;
1486 mixer_count++;
1487 ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]);
1488 if (ret < 0)
1489 goto hdr_err;
1490 break;
1491 case SND_SOC_TPLG_CTL_ENUM:
1492 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1493 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1494 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1495 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1496 /* enumerated mixer */
1497 kc[i].index = enum_count;
1498 kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM;
1499 enum_count++;
1500 ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]);
1501 if (ret < 0)
1502 goto hdr_err;
1503 break;
1504 case SND_SOC_TPLG_CTL_BYTES:
1505 /* bytes control */
1506 kc[i].index = bytes_count;
1507 kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES;
1508 bytes_count++;
1509 ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]);
1510 if (ret < 0)
1511 goto hdr_err;
1512 break;
1513 default:
1514 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1515 control_hdr->ops.get, control_hdr->ops.put,
1516 le32_to_cpu(control_hdr->ops.info));
1517 ret = -EINVAL;
8a978234
LG		 1518 goto hdr_err;
1519 }
8a978234
LG		 1520 }
1521
d29d41e2 1522 template.kcontrol_news = kc;
8facf84b
PU		 1523 dev_dbg(tplg->dev, "ASoC: template %s with %d/%d/%d (mixer/enum/bytes) control\n",
1524 w->name, mixer_count, enum_count, bytes_count);
d29d41e2 1525
8a978234
LG		 1526widget:
1527 ret = soc_tplg_widget_load(tplg, &template, w);
1528 if (ret < 0)
1529 goto hdr_err;
1530
1531 /* card dapm mutex is held by the core if we are loading topology
1532 * data during sound card init. */
1533 if (card->instantiated)
1534 widget = snd_soc_dapm_new_control(dapm, &template);
1535 else
1536 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1537 if (IS_ERR(widget)) {
1538 ret = PTR_ERR(widget);
8a978234
LG		 1539 goto hdr_err;
1540 }
1541
1542 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1543 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1544 widget->dobj.ops = tplg->ops;
1545 widget->dobj.index = tplg->index;
1546 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1547
1548 ret = soc_tplg_widget_ready(tplg, widget, w);
1549 if (ret < 0)
1550 goto ready_err;
1551
7620fe91
B		 1552 kfree(template.sname);
1553 kfree(template.name);
1554
8a978234
LG		 1555 return 0;
1556
ebd259d3 1557ready_err:
841fb109 1558 remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET);
ebd259d3 1559 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1560hdr_err:
1561 kfree(template.sname);
1562err:
1563 kfree(template.name);
1564 return ret;
1565}
1566
1567static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1568 struct snd_soc_tplg_hdr *hdr)
1569{
e9aa139f 1570 int count, i;
5aebe7c7
PLB		 1571
1572 count = le32_to_cpu(hdr->count);
8a978234 1573
8a978234
LG		 1574 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1575
1576 for (i = 0; i < count; i++) {
e9aa139f
KM		 1577 struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1578 int ret;
1579
2e288333
AS		 1580 /*
1581 * check if widget itself fits within topology file
1582 * use sizeof instead of widget->size, as we can't be sure
1583 * it is set properly yet (file may end before it is present)
1584 */
1585 if (soc_tplg_get_offset(tplg) + sizeof(*widget) >= tplg->fw->size) {
1586 dev_err(tplg->dev, "ASoC: invalid widget data size\n");
1587 return -EINVAL;
1588 }
1589
1590 /* check if widget has proper size */
5aebe7c7 1591 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1592 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1593 return -EINVAL;
1594 }
1595
2e288333
AS		 1596 /* check if widget private data fits within topology file */
1597 if (soc_tplg_get_offset(tplg) + le32_to_cpu(widget->priv.size) >= tplg->fw->size) {
1598 dev_err(tplg->dev, "ASoC: invalid widget private data size\n");
1599 return -EINVAL;
1600 }
1601
8a978234 1602 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1603 if (ret < 0) {
8a978234
LG		 1604 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1605 widget->name);
7de76b62
ML		 1606 return ret;
1607 }
8a978234
LG		 1608 }
1609
1610 return 0;
1611}
1612
1613static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1614{
1615 struct snd_soc_card *card = tplg->comp->card;
1616 int ret;
1617
1618 /* Card might not have been registered at this point.
1619 * If so, just return success.
1620 */
1621 if (!card || !card->instantiated) {
1622 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1623 " widget card binding deferred\n");
8a978234
LG		 1624 return 0;
1625 }
1626
1627 ret = snd_soc_dapm_new_widgets(card);
1628 if (ret < 0)
1629 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1630 ret);
1631
1632 return 0;
1633}
1634
ff922622
AS		 1635static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream,
1636 struct snd_soc_tplg_stream_caps *caps)
b6b6e4d6 1637{
ff922622 1638 stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL);
abc3caac
AS		 1639 if (!stream->stream_name)
1640 return -ENOMEM;
1641
5aebe7c7
PLB		 1642 stream->channels_min = le32_to_cpu(caps->channels_min);
1643 stream->channels_max = le32_to_cpu(caps->channels_max);
1644 stream->rates = le32_to_cpu(caps->rates);
1645 stream->rate_min = le32_to_cpu(caps->rate_min);
1646 stream->rate_max = le32_to_cpu(caps->rate_max);
1647 stream->formats = le64_to_cpu(caps->formats);
1648 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1649
1650 return 0;
b6b6e4d6
ML		 1651}
1652
0038be9a
ML		 1653static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1654 unsigned int flag_mask, unsigned int flags)
1655{
1656 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
f14654dd 1657 dai_drv->symmetric_rate =
47108a61 1658 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
0038be9a
ML		 1659
1660 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1661 dai_drv->symmetric_channels =
47108a61 1662 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ?
0038be9a
ML		 1663 1 : 0;
1664
1665 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1666 dai_drv->symmetric_sample_bits =
47108a61 1667 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
0038be9a
ML		 1668 1 : 0;
1669}
1670
64527e8a
ML		 1671static int soc_tplg_dai_create(struct soc_tplg *tplg,
1672 struct snd_soc_tplg_pcm *pcm)
1673{
1674 struct snd_soc_dai_driver *dai_drv;
1675 struct snd_soc_pcm_stream *stream;
1676 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1677 struct snd_soc_dai *dai;
1678 struct snd_soc_dapm_context *dapm =
1679 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1680 int ret;
1681
ff922622 1682 dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
64527e8a
ML		 1683 if (dai_drv == NULL)
1684 return -ENOMEM;
1685
abc3caac 1686 if (strlen(pcm->dai_name)) {
ff922622 1687 dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1688 if (!dai_drv->name) {
1689 ret = -ENOMEM;
1690 goto err;
1691 }
1692 }
5aebe7c7 1693 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1694
1695 if (pcm->playback) {
1696 stream = &dai_drv->playback;
1697 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 1698 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1699 if (ret < 0)
1700 goto err;
64527e8a
ML		 1701 }
1702
1703 if (pcm->capture) {
1704 stream = &dai_drv->capture;
1705 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 1706 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1707 if (ret < 0)
1708 goto err;
64527e8a
ML		 1709 }
1710
5db6aab6
LG		 1711 if (pcm->compress)
1712 dai_drv->compress_new = snd_soc_new_compress;
1713
64527e8a 1714 /* pass control to component driver for optional further init */
c60b613a 1715 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a 1716 if (ret < 0) {
e59db12b 1717 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 1718 goto err;
64527e8a
ML		 1719 }
1720
1721 dai_drv->dobj.index = tplg->index;
1722 dai_drv->dobj.ops = tplg->ops;
1723 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1724 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1725
1726 /* register the DAI to the component */
fc4cb1e1 1727 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
e443c205
KM		 1728 if (!dai)
1729 return -ENOMEM;
1730
1731 /* Create the DAI widgets here */
1732 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1733 if (ret != 0) {
1734 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
fc4cb1e1 1735 snd_soc_unregister_dai(dai);
e443c205
KM		 1736 return ret;
1737 }
1738
abc3caac
AS		 1739 return 0;
1740
1741err:
e443c205 1742 return ret;
64527e8a
ML		 1743}
1744
717a8e72
ML		 1745static void set_link_flags(struct snd_soc_dai_link *link,
1746 unsigned int flag_mask, unsigned int flags)
1747{
1748 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
f14654dd 1749 link->symmetric_rate =
47108a61 1750 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
717a8e72
ML		 1751
1752 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1753 link->symmetric_channels =
47108a61 1754 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ?
717a8e72
ML		 1755 1 : 0;
1756
1757 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1758 link->symmetric_sample_bits =
47108a61 1759 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
717a8e72 1760 1 : 0;
6ff67cca
ML		 1761
1762 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1763 link->ignore_suspend =
47108a61
PLB		 1764 (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ?
1765 1 : 0;
717a8e72
ML		 1766}
1767
67d1c21e 1768/* create the FE DAI link */
ab4bc5ee 1769static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1770 struct snd_soc_tplg_pcm *pcm)
1771{
1772 struct snd_soc_dai_link *link;
23b946ce 1773 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1774 int ret;
1775
3e6de894 1776 /* link + cpu + codec + platform */
ff922622 1777 link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1778 if (link == NULL)
1779 return -ENOMEM;
1780
23b946ce
KM		 1781 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1782
1783 link->cpus = &dlc[0];
1784 link->codecs = &dlc[1];
3e6de894 1785 link->platforms = &dlc[2];
23b946ce
KM		 1786
1787 link->num_cpus = 1;
1788 link->num_codecs = 1;
3e6de894 1789 link->num_platforms = 1;
23b946ce 1790
8ce1cbd6
JK		 1791 link->dobj.index = tplg->index;
1792 link->dobj.ops = tplg->ops;
1793 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1794
8f27c4ab 1795 if (strlen(pcm->pcm_name)) {
ff922622
AS		 1796 link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
1797 link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1798 if (!link->name || !link->stream_name) {
1799 ret = -ENOMEM;
1800 goto err;
1801 }
8f27c4ab 1802 }
5aebe7c7 1803 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1804
abc3caac 1805 if (strlen(pcm->dai_name)) {
ff922622 1806 link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1807 if (!link->cpus->dai_name) {
1808 ret = -ENOMEM;
1809 goto err;
1810 }
1811 }
8f27c4ab 1812
23b946ce
KM		 1813 link->codecs->name = "snd-soc-dummy";
1814 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1815
3e6de894
PLB		 1816 link->platforms->name = "snd-soc-dummy";
1817
67d1c21e
GS		 1818 /* enable DPCM */
1819 link->dynamic = 1;
5aebe7c7
PLB		 1820 link->dpcm_playback = le32_to_cpu(pcm->playback);
1821 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1822 if (pcm->flag_mask)
5aebe7c7
PLB		 1823 set_link_flags(link,
1824 le32_to_cpu(pcm->flag_mask),
1825 le32_to_cpu(pcm->flags));
67d1c21e 1826
acfc7d46 1827 /* pass control to component driver for optional further init */
c60b613a 1828 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46 1829 if (ret < 0) {
e59db12b 1830 dev_err(tplg->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1831 goto err;
1832 }
1833
2acf6ce2 1834 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036 1835 if (ret < 0) {
e59db12b 1836 dev_err(tplg->dev, "ASoC: adding FE link failed\n");
76d27036 1837 goto err;
acfc7d46
ML		 1838 }
1839
acfc7d46
ML		 1840 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1841
acfc7d46 1842 return 0;
76d27036 1843err:
76d27036 1844 return ret;
acfc7d46
ML		 1845}
1846
1847/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1848static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1849 struct snd_soc_tplg_pcm *pcm)
1850{
acfc7d46
ML		 1851 int ret;
1852
1853 ret = soc_tplg_dai_create(tplg, pcm);
1854 if (ret < 0)
1855 return ret;
1856
ab4bc5ee 1857 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1858}
1859
55726dc9
ML		 1860/* copy stream caps from the old version 4 of source */
1861static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1862 struct snd_soc_tplg_stream_caps_v4 *src)
1863{
5aebe7c7 1864 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 1865 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1866 dest->formats = src->formats;
1867 dest->rates = src->rates;
1868 dest->rate_min = src->rate_min;
1869 dest->rate_max = src->rate_max;
1870 dest->channels_min = src->channels_min;
1871 dest->channels_max = src->channels_max;
1872 dest->periods_min = src->periods_min;
1873 dest->periods_max = src->periods_max;
1874 dest->period_size_min = src->period_size_min;
1875 dest->period_size_max = src->period_size_max;
1876 dest->buffer_size_min = src->buffer_size_min;
1877 dest->buffer_size_max = src->buffer_size_max;
1878}
1879
1880/**
1881 * pcm_new_ver - Create the new version of PCM from the old version.
1882 * @tplg: topology context
1883 * @src: older version of pcm as a source
1884 * @pcm: latest version of pcm created from the source
1885 *
ce1f2571 1886 * Support from version 4. User should free the returned pcm manually.
55726dc9
ML		 1887 */
1888static int pcm_new_ver(struct soc_tplg *tplg,
1889 struct snd_soc_tplg_pcm *src,
1890 struct snd_soc_tplg_pcm **pcm)
1891{
1892 struct snd_soc_tplg_pcm *dest;
1893 struct snd_soc_tplg_pcm_v4 *src_v4;
1894 int i;
1895
1896 *pcm = NULL;
1897
5aebe7c7 1898 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 1899 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1900 return -EINVAL;
1901 }
1902
1903 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1904 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1905 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1906 if (!dest)
1907 return -ENOMEM;
1908
5aebe7c7 1909 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 1910 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1911 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1912 dest->pcm_id = src_v4->pcm_id;
1913 dest->dai_id = src_v4->dai_id;
1914 dest->playback = src_v4->playback;
1915 dest->capture = src_v4->capture;
1916 dest->compress = src_v4->compress;
1917 dest->num_streams = src_v4->num_streams;
5aebe7c7 1918 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 1919 memcpy(&dest->stream[i], &src_v4->stream[i],
1920 sizeof(struct snd_soc_tplg_stream));
1921
1922 for (i = 0; i < 2; i++)
1923 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1924
1925 *pcm = dest;
1926 return 0;
1927}
1928
64527e8a 1929static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1930 struct snd_soc_tplg_hdr *hdr)
1931{
55726dc9 1932 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 1933 int count;
1934 int size;
fd340455 1935 int i;
55726dc9 1936 bool abi_match;
a3039aef 1937 int ret;
8a978234 1938
5aebe7c7
PLB		 1939 count = le32_to_cpu(hdr->count);
1940
55726dc9
ML		 1941 /* check the element size and count */
1942 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 1943 size = le32_to_cpu(pcm->size);
1944 if (size > sizeof(struct snd_soc_tplg_pcm)
1945 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 1946 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 1947 size);
55726dc9
ML		 1948 return -EINVAL;
1949 }
1950
8a978234 1951 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 1952 size, count,
1953 le32_to_cpu(hdr->payload_size),
3ce57f22 1954 "PCM DAI"))
8a978234 1955 return -EINVAL;
8a978234 1956
64527e8a 1957 for (i = 0; i < count; i++) {
55726dc9 1958 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 1959 size = le32_to_cpu(pcm->size);
55726dc9
ML		 1960
1961 /* check ABI version by size, create a new version of pcm
1962 * if abi not match.
1963 */
5aebe7c7 1964 if (size == sizeof(*pcm)) {
55726dc9
ML		 1965 abi_match = true;
1966 _pcm = pcm;
1967 } else {
1968 abi_match = false;
b3677fc3
AS		 1969 ret = pcm_new_ver(tplg, pcm, &_pcm);
1970 if (ret < 0)
1971 return ret;
06eb49f7
ML		 1972 }
1973
55726dc9 1974 /* create the FE DAIs and DAI links */
a3039aef
DT		 1975 ret = soc_tplg_pcm_create(tplg, _pcm);
1976 if (ret < 0) {
1977 if (!abi_match)
1978 kfree(_pcm);
1979 return ret;
1980 }
55726dc9 1981
717a8e72
ML		 1982 /* offset by version-specific struct size and
1983 * real priv data size
1984 */
5aebe7c7 1985 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 1986
55726dc9
ML		 1987 if (!abi_match)
1988 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1989 }
1990
8a978234 1991 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1992
8a978234 1993 return 0;
8a978234
LG		 1994}
1995
593d9e52
ML		 1996/**
1997 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1998 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1999 * @cfg: physical link configs.
2000 *
2001 * Topology context contains a list of supported HW formats (configs) and
2002 * a default format ID for the physical link. This function will use this
2003 * default ID to choose the HW format to set the link's DAI format for init.
2004 */
2005static void set_link_hw_format(struct snd_soc_dai_link *link,
2006 struct snd_soc_tplg_link_config *cfg)
2007{
2008 struct snd_soc_tplg_hw_config *hw_config;
f026c123 2009 unsigned char bclk_provider, fsync_provider;
593d9e52
ML		 2010 unsigned char invert_bclk, invert_fsync;
2011 int i;
2012
5aebe7c7 2013 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 2014 hw_config = &cfg->hw_config[i];
2015 if (hw_config->id != cfg->default_hw_config_id)
2016 continue;
2017
5aebe7c7
PLB		 2018 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
2019 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 2020
933e1c4a 2021 /* clock gating */
fbeabd09
KM		 2022 switch (hw_config->clock_gated) {
2023 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 2024 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 2025 break;
2026
2027 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2028 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2029 break;
2030
2031 default:
2032 /* ignore the value */
2033 break;
2034 }
933e1c4a 2035
593d9e52
ML		 2036 /* clock signal polarity */
2037 invert_bclk = hw_config->invert_bclk;
2038 invert_fsync = hw_config->invert_fsync;
2039 if (!invert_bclk && !invert_fsync)
2040 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2041 else if (!invert_bclk && invert_fsync)
2042 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2043 else if (invert_bclk && !invert_fsync)
2044 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2045 else
2046 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2047
2048 /* clock masters */
f026c123
PLB		 2049 bclk_provider = (hw_config->bclk_provider ==
2050 SND_SOC_TPLG_BCLK_CP);
2051 fsync_provider = (hw_config->fsync_provider ==
2052 SND_SOC_TPLG_FSYNC_CP);
2053 if (bclk_provider && fsync_provider)
2054 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
2055 else if (!bclk_provider && fsync_provider)
2056 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP;
2057 else if (bclk_provider && !fsync_provider)
2058 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC;
593d9e52 2059 else
f026c123 2060 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
593d9e52
ML		 2061 }
2062}
2063
2064/**
2065 * link_new_ver - Create a new physical link config from the old
2066 * version of source.
8abab35f 2067 * @tplg: topology context
593d9e52
ML		 2068 * @src: old version of phyical link config as a source
2069 * @link: latest version of physical link config created from the source
2070 *
ce1f2571 2071 * Support from version 4. User need free the returned link config manually.
593d9e52
ML		 2072 */
2073static int link_new_ver(struct soc_tplg *tplg,
2074 struct snd_soc_tplg_link_config *src,
2075 struct snd_soc_tplg_link_config **link)
2076{
2077 struct snd_soc_tplg_link_config *dest;
2078 struct snd_soc_tplg_link_config_v4 *src_v4;
2079 int i;
2080
2081 *link = NULL;
2082
5aebe7c7
PLB		 2083 if (le32_to_cpu(src->size) !=
2084 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2085 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2086 return -EINVAL;
2087 }
2088
2089 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2090
2091 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2092 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2093 if (!dest)
2094 return -ENOMEM;
2095
5aebe7c7 2096 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2097 dest->id = src_v4->id;
2098 dest->num_streams = src_v4->num_streams;
5aebe7c7 2099 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2100 memcpy(&dest->stream[i], &src_v4->stream[i],
2101 sizeof(struct snd_soc_tplg_stream));
2102
2103 *link = dest;
2104 return 0;
2105}
2106
d6f31e0e
KM		 2107/**
2108 * snd_soc_find_dai_link - Find a DAI link
2109 *
2110 * @card: soc card
2111 * @id: DAI link ID to match
2112 * @name: DAI link name to match, optional
2113 * @stream_name: DAI link stream name to match, optional
2114 *
2115 * This function will search all existing DAI links of the soc card to
2116 * find the link of the same ID. Since DAI links may not have their
2117 * unique ID, so name and stream name should also match if being
2118 * specified.
2119 *
2120 * Return: pointer of DAI link, or NULL if not found.
2121 */
2122static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2123 int id, const char *name,
2124 const char *stream_name)
2125{
2126 struct snd_soc_pcm_runtime *rtd;
d6f31e0e
KM		 2127
2128 for_each_card_rtds(card, rtd) {
b81e8efa 2129 struct snd_soc_dai_link *link = rtd->dai_link;
d6f31e0e
KM		 2130
2131 if (link->id != id)
2132 continue;
2133
2134 if (name && (!link->name || strcmp(name, link->name)))
2135 continue;
2136
2137 if (stream_name && (!link->stream_name
2138 || strcmp(stream_name, link->stream_name)))
2139 continue;
2140
2141 return link;
2142 }
2143
2144 return NULL;
2145}
2146
593d9e52
ML		 2147/* Find and configure an existing physical DAI link */
2148static int soc_tplg_link_config(struct soc_tplg *tplg,
2149 struct snd_soc_tplg_link_config *cfg)
2150{
2151 struct snd_soc_dai_link *link;
2152 const char *name, *stream_name;
dbab1cb8 2153 size_t len;
593d9e52
ML		 2154 int ret;
2155
dbab1cb8
ML		 2156 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2157 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2158 return -EINVAL;
2159 else if (len)
2160 name = cfg->name;
2161 else
2162 name = NULL;
2163
2164 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2165 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2166 return -EINVAL;
2167 else if (len)
2168 stream_name = cfg->stream_name;
2169 else
2170 stream_name = NULL;
593d9e52 2171
5aebe7c7 2172 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2173 name, stream_name);
2174 if (!link) {
2175 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2176 name, cfg->id);
2177 return -EINVAL;
2178 }
2179
2180 /* hw format */
2181 if (cfg->num_hw_configs)
2182 set_link_hw_format(link, cfg);
2183
2184 /* flags */
2185 if (cfg->flag_mask)
5aebe7c7
PLB		 2186 set_link_flags(link,
2187 le32_to_cpu(cfg->flag_mask),
2188 le32_to_cpu(cfg->flags));
593d9e52
ML		 2189
2190 /* pass control to component driver for optional further init */
c60b613a 2191 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2192 if (ret < 0) {
2193 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2194 return ret;
2195 }
2196
adfebb51
B		 2197 /* for unloading it in snd_soc_tplg_component_remove */
2198 link->dobj.index = tplg->index;
2199 link->dobj.ops = tplg->ops;
2200 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2201 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2202
593d9e52
ML		 2203 return 0;
2204}
2205
2206
2207/* Load physical link config elements from the topology context */
2208static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2209 struct snd_soc_tplg_hdr *hdr)
2210{
2211 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2212 int count;
2213 int size;
593d9e52
ML		 2214 int i, ret;
2215 bool abi_match;
2216
5aebe7c7
PLB		 2217 count = le32_to_cpu(hdr->count);
2218
593d9e52
ML		 2219 /* check the element size and count */
2220 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2221 size = le32_to_cpu(link->size);
2222 if (size > sizeof(struct snd_soc_tplg_link_config)
2223 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2224 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2225 size);
593d9e52
ML		 2226 return -EINVAL;
2227 }
2228
3ce57f22 2229 if (soc_tplg_check_elem_count(tplg, size, count,
5aebe7c7 2230 le32_to_cpu(hdr->payload_size),
3ce57f22 2231 "physical link config"))
593d9e52 2232 return -EINVAL;
593d9e52
ML		 2233
2234 /* config physical DAI links */
2235 for (i = 0; i < count; i++) {
2236 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2237 size = le32_to_cpu(link->size);
2238 if (size == sizeof(*link)) {
593d9e52
ML		 2239 abi_match = true;
2240 _link = link;
2241 } else {
2242 abi_match = false;
2243 ret = link_new_ver(tplg, link, &_link);
2244 if (ret < 0)
2245 return ret;
2246 }
2247
2248 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2249 if (ret < 0) {
2250 if (!abi_match)
2251 kfree(_link);
593d9e52 2252 return ret;
2b2d5c4d 2253 }
593d9e52
ML		 2254
2255 /* offset by version-specific struct size and
2256 * real priv data size
2257 */
5aebe7c7 2258 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2259
2260 if (!abi_match)
2261 kfree(_link); /* free the duplicated one */
2262 }
2263
2264 return 0;
2265}
2266
9aa3f034
ML		 2267/**
2268 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2269 * @tplg: topology context
9aa3f034 2270 * @d: physical DAI configs.
0038be9a 2271 *
9aa3f034
ML		 2272 * The physical dai should already be registered by the platform driver.
2273 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2274 */
9aa3f034
ML		 2275static int soc_tplg_dai_config(struct soc_tplg *tplg,
2276 struct snd_soc_tplg_dai *d)
0038be9a 2277{
5aebe7c7 2278 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2279 struct snd_soc_dai *dai;
2280 struct snd_soc_dai_driver *dai_drv;
2281 struct snd_soc_pcm_stream *stream;
2282 struct snd_soc_tplg_stream_caps *caps;
2283 int ret;
2284
5aebe7c7
PLB		 2285 memset(&dai_component, 0, sizeof(dai_component));
2286
9aa3f034 2287 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2288 dai = snd_soc_find_dai(&dai_component);
2289 if (!dai) {
9aa3f034
ML		 2290 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2291 d->dai_name);
0038be9a
ML		 2292 return -EINVAL;
2293 }
2294
5aebe7c7 2295 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2296 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2297 d->dai_name);
0038be9a
ML		 2298 return -EINVAL;
2299 }
2300
2301 dai_drv = dai->driver;
2302 if (!dai_drv)
2303 return -EINVAL;
2304
9aa3f034 2305 if (d->playback) {
0038be9a 2306 stream = &dai_drv->playback;
9aa3f034 2307 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 2308 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2309 if (ret < 0)
2310 goto err;
0038be9a
ML		 2311 }
2312
9aa3f034 2313 if (d->capture) {
0038be9a 2314 stream = &dai_drv->capture;
9aa3f034 2315 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 2316 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2317 if (ret < 0)
2318 goto err;
0038be9a
ML		 2319 }
2320
9aa3f034 2321 if (d->flag_mask)
5aebe7c7
PLB		 2322 set_dai_flags(dai_drv,
2323 le32_to_cpu(d->flag_mask),
2324 le32_to_cpu(d->flags));
0038be9a
ML		 2325
2326 /* pass control to component driver for optional further init */
c60b613a 2327 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a 2328 if (ret < 0) {
e59db12b 2329 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 2330 goto err;
0038be9a
ML		 2331 }
2332
2333 return 0;
abc3caac
AS		 2334
2335err:
abc3caac 2336 return ret;
0038be9a
ML		 2337}
2338
9aa3f034
ML		 2339/* load physical DAI elements */
2340static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2341 struct snd_soc_tplg_hdr *hdr)
0038be9a 2342{
5aebe7c7 2343 int count;
65a4cfdd 2344 int i;
0038be9a 2345
5aebe7c7
PLB		 2346 count = le32_to_cpu(hdr->count);
2347
0038be9a
ML		 2348 /* config the existing BE DAIs */
2349 for (i = 0; i < count; i++) {
65a4cfdd
KM		 2350 struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos;
2351 int ret;
2352
5aebe7c7 2353 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2354 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2355 return -EINVAL;
2356 }
2357
dd8e871d
AS		 2358 ret = soc_tplg_dai_config(tplg, dai);
2359 if (ret < 0) {
2360 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2361 return ret;
2362 }
2363
5aebe7c7 2364 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2365 }
2366
2367 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2368 return 0;
2369}
2370
583958fa
ML		 2371/**
2372 * manifest_new_ver - Create a new version of manifest from the old version
2373 * of source.
8abab35f 2374 * @tplg: topology context
583958fa
ML		 2375 * @src: old version of manifest as a source
2376 * @manifest: latest version of manifest created from the source
2377 *
ce1f2571 2378 * Support from version 4. Users need free the returned manifest manually.
583958fa
ML		 2379 */
2380static int manifest_new_ver(struct soc_tplg *tplg,
2381 struct snd_soc_tplg_manifest *src,
2382 struct snd_soc_tplg_manifest **manifest)
2383{
2384 struct snd_soc_tplg_manifest *dest;
2385 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2386 int size;
583958fa
ML		 2387
2388 *manifest = NULL;
2389
5aebe7c7
PLB		 2390 size = le32_to_cpu(src->size);
2391 if (size != sizeof(*src_v4)) {
ac9391da 2392 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2393 size);
2394 if (size)
ac9391da 2395 return -EINVAL;
5aebe7c7 2396 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2397 }
2398
2399 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2400
2401 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2402 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2403 GFP_KERNEL);
583958fa
ML		 2404 if (!dest)
2405 return -ENOMEM;
2406
5aebe7c7 2407 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2408 dest->control_elems = src_v4->control_elems;
2409 dest->widget_elems = src_v4->widget_elems;
2410 dest->graph_elems = src_v4->graph_elems;
2411 dest->pcm_elems = src_v4->pcm_elems;
2412 dest->dai_link_elems = src_v4->dai_link_elems;
2413 dest->priv.size = src_v4->priv.size;
2414 if (dest->priv.size)
2415 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2416 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2417
2418 *manifest = dest;
2419 return 0;
2420}
0038be9a 2421
8a978234 2422static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2423 struct snd_soc_tplg_hdr *hdr)
8a978234 2424{
583958fa
ML		 2425 struct snd_soc_tplg_manifest *manifest, *_manifest;
2426 bool abi_match;
242c46c0 2427 int ret = 0;
8a978234 2428
8a978234 2429 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2430
583958fa 2431 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2432 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2433 abi_match = true;
2434 _manifest = manifest;
2435 } else {
2436 abi_match = false;
86e2d14b 2437
242c46c0
DT		 2438 ret = manifest_new_ver(tplg, manifest, &_manifest);
2439 if (ret < 0)
2440 return ret;
583958fa 2441 }
8a978234 2442
583958fa 2443 /* pass control to component driver for optional further init */
c42464a4 2444 if (tplg->ops && tplg->ops->manifest)
242c46c0 2445 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2446
2447 if (!abi_match) /* free the duplicated one */
2448 kfree(_manifest);
8a978234 2449
242c46c0 2450 return ret;
8a978234
LG		 2451}
2452
2453/* validate header magic, size and type */
2454static int soc_valid_header(struct soc_tplg *tplg,
2455 struct snd_soc_tplg_hdr *hdr)
2456{
2457 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2458 return 0;
2459
5aebe7c7 2460 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2461 dev_err(tplg->dev,
2462 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2463 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2464 tplg->fw->size);
2465 return -EINVAL;
2466 }
2467
86e2d14b
CR		 2468 if (soc_tplg_get_hdr_offset(tplg) + hdr->payload_size >= tplg->fw->size) {
2469 dev_err(tplg->dev,
2470 "ASoC: invalid header of type %d at offset %ld payload_size %d\n",
2471 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
2472 hdr->payload_size);
2473 return -EINVAL;
2474 }
2475
8a978234 2476 /* big endian firmware objects not supported atm */
26d87881 2477 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2478 dev_err(tplg->dev,
2479 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2480 tplg->pass, hdr->magic,
2481 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2482 return -EINVAL;
2483 }
2484
5aebe7c7 2485 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2486 dev_err(tplg->dev,
2487 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2488 tplg->pass, hdr->magic,
2489 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2490 return -EINVAL;
2491 }
2492
288b8da7 2493 /* Support ABI from version 4 */
5aebe7c7
PLB		 2494 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2495 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2496 dev_err(tplg->dev,
2497 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2498 tplg->pass, hdr->abi,
2499 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2500 tplg->fw->size);
2501 return -EINVAL;
2502 }
2503
2504 if (hdr->payload_size == 0) {
2505 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2506 soc_tplg_get_hdr_offset(tplg));
2507 return -EINVAL;
2508 }
2509
8a978234
LG		 2510 return 1;
2511}
2512
2513/* check header type and call appropriate handler */
2514static int soc_tplg_load_header(struct soc_tplg *tplg,
2515 struct snd_soc_tplg_hdr *hdr)
2516{
82ed7418
KJ		 2517 int (*elem_load)(struct soc_tplg *tplg,
2518 struct snd_soc_tplg_hdr *hdr);
2519 unsigned int hdr_pass;
2520
8a978234
LG		 2521 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2522
5aebe7c7 2523 tplg->index = le32_to_cpu(hdr->index);
8a978234 2524
5aebe7c7 2525 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2526 case SND_SOC_TPLG_TYPE_MIXER:
2527 case SND_SOC_TPLG_TYPE_ENUM:
2528 case SND_SOC_TPLG_TYPE_BYTES:
82ed7418
KJ		 2529 hdr_pass = SOC_TPLG_PASS_MIXER;
2530 elem_load = soc_tplg_kcontrol_elems_load;
2531 break;
8a978234 2532 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2533 hdr_pass = SOC_TPLG_PASS_GRAPH;
2534 elem_load = soc_tplg_dapm_graph_elems_load;
2535 break;
8a978234 2536 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2537 hdr_pass = SOC_TPLG_PASS_WIDGET;
2538 elem_load = soc_tplg_dapm_widget_elems_load;
2539 break;
8a978234 2540 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2541 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2542 elem_load = soc_tplg_pcm_elems_load;
2543 break;
3fbf7935 2544 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2545 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2546 elem_load = soc_tplg_dai_elems_load;
2547 break;
593d9e52
ML		 2548 case SND_SOC_TPLG_TYPE_DAI_LINK:
2549 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2550 /* physical link configurations */
82ed7418
KJ		 2551 hdr_pass = SOC_TPLG_PASS_LINK;
2552 elem_load = soc_tplg_link_elems_load;
2553 break;
8a978234 2554 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2555 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2556 elem_load = soc_tplg_manifest_load;
2557 break;
8a978234
LG		 2558 default:
2559 /* bespoke vendor data object */
82ed7418
KJ		 2560 hdr_pass = SOC_TPLG_PASS_VENDOR;
2561 elem_load = soc_tplg_vendor_load;
2562 break;
2563 }
2564
2565 if (tplg->pass == hdr_pass) {
2566 dev_dbg(tplg->dev,
2567 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2568 hdr->payload_size, hdr->type, hdr->version,
2569 hdr->vendor_type, tplg->pass);
2570 return elem_load(tplg, hdr);
8a978234
LG		 2571 }
2572
2573 return 0;
2574}
2575
2576/* process the topology file headers */
2577static int soc_tplg_process_headers(struct soc_tplg *tplg)
2578{
8a978234
LG		 2579 int ret;
2580
2581 tplg->pass = SOC_TPLG_PASS_START;
2582
2583 /* process the header types from start to end */
2584 while (tplg->pass <= SOC_TPLG_PASS_END) {
f79e4b2a 2585 struct snd_soc_tplg_hdr *hdr;
8a978234
LG		 2586
2587 tplg->hdr_pos = tplg->fw->data;
2588 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2589
2590 while (!soc_tplg_is_eof(tplg)) {
2591
2592 /* make sure header is valid before loading */
2593 ret = soc_valid_header(tplg, hdr);
8bf9475f
PLB		 2594 if (ret < 0) {
2595 dev_err(tplg->dev,
2596 "ASoC: topology: invalid header: %d\n", ret);
8a978234 2597 return ret;
8bf9475f 2598 } else if (ret == 0) {
8a978234 2599 break;
8bf9475f 2600 }
8a978234
LG		 2601
2602 /* load the header object */
2603 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f
PLB		 2604 if (ret < 0) {
2605 dev_err(tplg->dev,
2606 "ASoC: topology: could not load header: %d\n", ret);
8a978234 2607 return ret;
8bf9475f 2608 }
8a978234
LG		 2609
2610 /* goto next header */
5aebe7c7 2611 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2612 sizeof(struct snd_soc_tplg_hdr);
2613 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2614 }
2615
2616 /* next data type pass */
2617 tplg->pass++;
2618 }
2619
2620 /* signal DAPM we are complete */
2621 ret = soc_tplg_dapm_complete(tplg);
2622 if (ret < 0)
2623 dev_err(tplg->dev,
2624 "ASoC: failed to initialise DAPM from Firmware\n");
2625
2626 return ret;
2627}
2628
2629static int soc_tplg_load(struct soc_tplg *tplg)
2630{
2631 int ret;
2632
2633 ret = soc_tplg_process_headers(tplg);
2634 if (ret == 0)
415717e1 2635 return soc_tplg_complete(tplg);
8a978234
LG		 2636
2637 return ret;
2638}
2639
2640/* load audio component topology from "firmware" file */
2641int snd_soc_tplg_component_load(struct snd_soc_component *comp,
a5b8f71c 2642 struct snd_soc_tplg_ops *ops, const struct firmware *fw)
8a978234
LG		 2643{
2644 struct soc_tplg tplg;
304017d3 2645 int ret;
8a978234 2646
d40ab86f
AS		 2647 /*
2648 * check if we have sane parameters:
2649 * comp - needs to exist to keep and reference data while parsing
d40ab86f 2650 * comp->card - used for setting card related parameters
f714fbc1 2651 * comp->card->dev - used for resource management and prints
d40ab86f
AS		 2652 * fw - we need it, as it is the very thing we parse
2653 */
f714fbc1 2654 if (!comp || !comp->card || !comp->card->dev || !fw)
c42464a4 2655 return -EINVAL;
8a978234
LG		 2656
2657 /* setup parsing context */
2658 memset(&tplg, 0, sizeof(tplg));
2659 tplg.fw = fw;
f714fbc1 2660 tplg.dev = comp->card->dev;
8a978234 2661 tplg.comp = comp;
9c88a983
AS		 2662 if (ops) {
2663 tplg.ops = ops;
2664 tplg.io_ops = ops->io_ops;
2665 tplg.io_ops_count = ops->io_ops_count;
2666 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2667 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2668 }
8a978234 2669
304017d3
B		 2670 ret = soc_tplg_load(&tplg);
2671 /* free the created components if fail to load topology */
2672 if (ret)
a5b8f71c 2673 snd_soc_tplg_component_remove(comp);
304017d3
B		 2674
2675 return ret;
8a978234
LG		 2676}
2677EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2678
8a978234 2679/* remove dynamic controls from the component driver */
a5b8f71c 2680int snd_soc_tplg_component_remove(struct snd_soc_component *comp)
8a978234 2681{
7e567b5a 2682 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 2683 struct snd_soc_dobj *dobj, *next_dobj;
2684 int pass = SOC_TPLG_PASS_END;
2685
2686 /* process the header types from end to start */
2687 while (pass >= SOC_TPLG_PASS_START) {
2688
2689 /* remove mixer controls */
7e567b5a 2690 down_write(&card->controls_rwsem);
8a978234
LG		 2691 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2692 list) {
2693
8a978234
LG		 2694 switch (dobj->type) {
2695 case SND_SOC_DOBJ_MIXER:
2696 remove_mixer(comp, dobj, pass);
2697 break;
2698 case SND_SOC_DOBJ_ENUM:
2699 remove_enum(comp, dobj, pass);
2700 break;
2701 case SND_SOC_DOBJ_BYTES:
2702 remove_bytes(comp, dobj, pass);
2703 break;
7df04ea7
RS		 2704 case SND_SOC_DOBJ_GRAPH:
2705 remove_route(comp, dobj, pass);
2706 break;
8a978234
LG		 2707 case SND_SOC_DOBJ_WIDGET:
2708 remove_widget(comp, dobj, pass);
2709 break;
2710 case SND_SOC_DOBJ_PCM:
64527e8a 2711 remove_dai(comp, dobj, pass);
8a978234 2712 break;
acfc7d46
ML		 2713 case SND_SOC_DOBJ_DAI_LINK:
2714 remove_link(comp, dobj, pass);
2715 break;
adfebb51
B		 2716 case SND_SOC_DOBJ_BACKEND_LINK:
2717 /*
2718 * call link_unload ops if extra
2719 * deinitialization is needed.
2720 */
2721 remove_backend_link(comp, dobj, pass);
2722 break;
8a978234
LG		 2723 default:
2724 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2725 dobj->type);
2726 break;
2727 }
2728 }
7e567b5a 2729 up_write(&card->controls_rwsem);
8a978234
LG		 2730 pass--;
2731 }
2732
2733 /* let caller know if FW can be freed when no objects are left */
2734 return !list_empty(&comp->dobj_list);
2735}
2736EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)