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ASoC: soc-topology: cleanup cppcheck warning at soc_tplg_process_headers()
[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 */
59 const u8 *pos; /* read postion */
60 const u8 *hdr_pos; /* header position */
61 unsigned int pass; /* pass number */
62
63 /* component caller */
64 struct device *dev;
65 struct snd_soc_component *comp;
66 u32 index; /* current block index */
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);
81static void 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
LG		 314/* tell the component driver that all firmware has been loaded in this request */
315static void soc_tplg_complete(struct soc_tplg *tplg)
316{
c42464a4 317 if (tplg->ops && tplg->ops->complete)
8a978234
LG		 318 tplg->ops->complete(tplg->comp);
319}
320
321/* add a dynamic kcontrol */
322static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
323 const struct snd_kcontrol_new *control_new, const char *prefix,
324 void *data, struct snd_kcontrol **kcontrol)
325{
326 int err;
327
328 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
329 if (*kcontrol == NULL) {
330 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
331 control_new->name);
332 return -ENOMEM;
333 }
334
335 err = snd_ctl_add(card, *kcontrol);
336 if (err < 0) {
337 dev_err(dev, "ASoC: Failed to add %s: %d\n",
338 control_new->name, err);
339 return err;
340 }
341
342 return 0;
343}
344
345/* add a dynamic kcontrol for component driver */
346static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
347 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
348{
349 struct snd_soc_component *comp = tplg->comp;
350
351 return soc_tplg_add_dcontrol(comp->card->snd_card,
abca9e4a 352 comp->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 353}
354
355/* remove a mixer kcontrol */
356static void remove_mixer(struct snd_soc_component *comp,
357 struct snd_soc_dobj *dobj, int pass)
358{
359 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 360
361 if (pass != SOC_TPLG_PASS_MIXER)
362 return;
363
364 if (dobj->ops && dobj->ops->control_unload)
365 dobj->ops->control_unload(comp, dobj);
366
33ae6ae2
AS		 367 snd_ctl_remove(card, dobj->control.kcontrol);
368 list_del(&dobj->list);
8a978234
LG		 369}
370
371/* remove an enum kcontrol */
372static void remove_enum(struct snd_soc_component *comp,
373 struct snd_soc_dobj *dobj, int pass)
374{
375 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 376
377 if (pass != SOC_TPLG_PASS_MIXER)
378 return;
379
380 if (dobj->ops && dobj->ops->control_unload)
381 dobj->ops->control_unload(comp, dobj);
382
33ae6ae2
AS		 383 snd_ctl_remove(card, dobj->control.kcontrol);
384 list_del(&dobj->list);
8a978234
LG		 385}
386
387/* remove a byte kcontrol */
388static void remove_bytes(struct snd_soc_component *comp,
389 struct snd_soc_dobj *dobj, int pass)
390{
391 struct snd_card *card = comp->card->snd_card;
8a978234
LG		 392
393 if (pass != SOC_TPLG_PASS_MIXER)
394 return;
395
396 if (dobj->ops && dobj->ops->control_unload)
397 dobj->ops->control_unload(comp, dobj);
398
33ae6ae2
AS		 399 snd_ctl_remove(card, dobj->control.kcontrol);
400 list_del(&dobj->list);
8a978234
LG		 401}
402
7df04ea7
RS		 403/* remove a route */
404static void remove_route(struct snd_soc_component *comp,
405 struct snd_soc_dobj *dobj, int pass)
406{
7df04ea7
RS		 407 if (pass != SOC_TPLG_PASS_GRAPH)
408 return;
409
410 if (dobj->ops && dobj->ops->dapm_route_unload)
411 dobj->ops->dapm_route_unload(comp, dobj);
412
413 list_del(&dobj->list);
7df04ea7
RS		 414}
415
8a978234
LG		 416/* remove a widget and it's kcontrols - routes must be removed first */
417static void remove_widget(struct snd_soc_component *comp,
418 struct snd_soc_dobj *dobj, int pass)
419{
420 struct snd_card *card = comp->card->snd_card;
421 struct snd_soc_dapm_widget *w =
422 container_of(dobj, struct snd_soc_dapm_widget, dobj);
423 int i;
424
425 if (pass != SOC_TPLG_PASS_WIDGET)
426 return;
427
428 if (dobj->ops && dobj->ops->widget_unload)
429 dobj->ops->widget_unload(comp, dobj);
430
05bdcf12
LG		 431 if (!w->kcontrols)
432 goto free_news;
433
8d456654
AS		 434 for (i = 0; w->kcontrols && i < w->num_kcontrols; i++)
435 snd_ctl_remove(card, w->kcontrols[i]);
05bdcf12
LG		 436
437free_news:
05bdcf12 438
a46e8393
AS		 439 list_del(&dobj->list);
440
8a978234
LG		 441 /* widget w is freed by soc-dapm.c */
442}
443
64527e8a
ML		 444/* remove DAI configurations */
445static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 446 struct snd_soc_dobj *dobj, int pass)
447{
64527e8a
ML		 448 struct snd_soc_dai_driver *dai_drv =
449 container_of(dobj, struct snd_soc_dai_driver, dobj);
fc4cb1e1 450 struct snd_soc_dai *dai, *_dai;
64527e8a 451
8a978234
LG		 452 if (pass != SOC_TPLG_PASS_PCM_DAI)
453 return;
454
64527e8a
ML		 455 if (dobj->ops && dobj->ops->dai_unload)
456 dobj->ops->dai_unload(comp, dobj);
8a978234 457
fc4cb1e1 458 for_each_component_dais_safe(comp, dai, _dai)
52abe6cc 459 if (dai->driver == dai_drv)
fc4cb1e1 460 snd_soc_unregister_dai(dai);
52abe6cc 461
8a978234 462 list_del(&dobj->list);
8a978234
LG		 463}
464
acfc7d46
ML		 465/* remove link configurations */
466static void remove_link(struct snd_soc_component *comp,
467 struct snd_soc_dobj *dobj, int pass)
468{
469 struct snd_soc_dai_link *link =
470 container_of(dobj, struct snd_soc_dai_link, dobj);
471
472 if (pass != SOC_TPLG_PASS_PCM_DAI)
473 return;
474
475 if (dobj->ops && dobj->ops->link_unload)
476 dobj->ops->link_unload(comp, dobj);
477
dd836ddf 478 list_del(&dobj->list);
50cd9b53
KM		 479 snd_soc_remove_pcm_runtime(comp->card,
480 snd_soc_get_pcm_runtime(comp->card, link));
acfc7d46
ML		 481}
482
adfebb51
B		 483/* unload dai link */
484static void remove_backend_link(struct snd_soc_component *comp,
485 struct snd_soc_dobj *dobj, int pass)
486{
487 if (pass != SOC_TPLG_PASS_LINK)
488 return;
489
490 if (dobj->ops && dobj->ops->link_unload)
491 dobj->ops->link_unload(comp, dobj);
492
493 /*
494 * We don't free the link here as what remove_link() do since BE
495 * links are not allocated by topology.
496 * We however need to reset the dobj type to its initial values
497 */
498 dobj->type = SND_SOC_DOBJ_NONE;
499 list_del(&dobj->list);
500}
501
8a978234
LG		 502/* bind a kcontrol to it's IO handlers */
503static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
504 struct snd_kcontrol_new *k,
2b5cdb91 505 const struct soc_tplg *tplg)
8a978234 506{
2b5cdb91 507 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 508 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 509 int num_ops, i;
8a978234 510
5aebe7c7 511 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2
ML		 512 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
513 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
514 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
515 struct soc_bytes_ext *sbe;
516 struct snd_soc_tplg_bytes_control *be;
517
518 sbe = (struct soc_bytes_ext *)k->private_value;
519 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
520
521 /* TLV bytes controls need standard kcontrol info handler,
522 * TLV callback and extended put/get handlers.
523 */
f4be978b 524 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 525 k->tlv.c = snd_soc_bytes_tlv_callback;
526
6788fc1a
PLB		 527 /*
528 * When a topology-based implementation abuses the
529 * control interface and uses bytes_ext controls of
530 * more than 512 bytes, we need to disable the size
531 * checks, otherwise accesses to such controls will
532 * return an -EINVAL error and prevent the card from
533 * being configured.
534 */
535 if (IS_ENABLED(CONFIG_SND_CTL_VALIDATION) && sbe->max > 512)
536 k->access |= SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK;
537
1a3232d2
ML		 538 ext_ops = tplg->bytes_ext_ops;
539 num_ops = tplg->bytes_ext_ops_count;
540 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 541 if (!sbe->put &&
542 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 543 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 544 if (!sbe->get &&
545 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 546 sbe->get = ext_ops[i].get;
547 }
548
819b9f60 549 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get)
1a3232d2 550 return -EINVAL;
819b9f60
D		 551 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put)
552 return -EINVAL;
553 return 0;
1a3232d2 554 }
8a978234 555
88a17d8f 556 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 557 ops = tplg->io_ops;
558 num_ops = tplg->io_ops_count;
8a978234
LG		 559 for (i = 0; i < num_ops; i++) {
560
72bbeda0 561 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 562 k->put = ops[i].put;
72bbeda0 563 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 564 k->get = ops[i].get;
72bbeda0 565 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 566 k->info = ops[i].info;
567 }
568
88a17d8f 569 /* vendor specific handlers found ? */
8a978234
LG		 570 if (k->put && k->get && k->info)
571 return 0;
572
88a17d8f 573 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 574 ops = io_ops;
575 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 576 for (i = 0; i < num_ops; i++) {
8a978234 577
72bbeda0 578 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 579 k->put = ops[i].put;
72bbeda0 580 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 581 k->get = ops[i].get;
72bbeda0 582 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 583 k->info = ops[i].info;
8a978234
LG		 584 }
585
88a17d8f 586 /* standard handlers found ? */
8a978234
LG		 587 if (k->put && k->get && k->info)
588 return 0;
589
590 /* nothing to bind */
591 return -EINVAL;
592}
593
594/* bind a widgets to it's evnt handlers */
595int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
596 const struct snd_soc_tplg_widget_events *events,
597 int num_events, u16 event_type)
598{
599 int i;
600
601 w->event = NULL;
602
603 for (i = 0; i < num_events; i++) {
604 if (event_type == events[i].type) {
605
606 /* found - so assign event */
607 w->event = events[i].event_handler;
608 return 0;
609 }
610 }
611
612 /* not found */
613 return -EINVAL;
614}
615EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
616
617/* optionally pass new dynamic kcontrol to component driver. */
618static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
619 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
620{
c42464a4 621 if (tplg->ops && tplg->ops->control_load)
c60b613a
LG		 622 return tplg->ops->control_load(tplg->comp, tplg->index, k,
623 hdr);
8a978234
LG		 624
625 return 0;
626}
627
8a978234 628
28a87eeb
ML		 629static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
630 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
631{
632 unsigned int item_len = 2 * sizeof(unsigned int);
633 unsigned int *p;
8a978234 634
ff922622 635 p = devm_kzalloc(tplg->dev, item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
28a87eeb 636 if (!p)
8a978234
LG		 637 return -ENOMEM;
638
28a87eeb
ML		 639 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
640 p[1] = item_len;
5aebe7c7
PLB		 641 p[2] = le32_to_cpu(scale->min);
642 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
643 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 644
645 kc->tlv.p = (void *)p;
646 return 0;
647}
648
649static int soc_tplg_create_tlv(struct soc_tplg *tplg,
650 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
651{
652 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 653 u32 access = le32_to_cpu(tc->access);
28a87eeb 654
5aebe7c7 655 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 656 return 0;
8a978234 657
5aebe7c7 658 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 659 tplg_tlv = &tc->tlv;
5aebe7c7 660 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 661 case SNDRV_CTL_TLVT_DB_SCALE:
662 return soc_tplg_create_tlv_db_scale(tplg, kc,
663 &tplg_tlv->scale);
664
665 /* TODO: add support for other TLV types */
666 default:
667 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
668 tplg_tlv->type);
669 return -EINVAL;
670 }
671 }
8a978234
LG		 672
673 return 0;
674}
675
8a978234
LG		 676static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
677 size_t size)
678{
679 struct snd_soc_tplg_bytes_control *be;
680 struct soc_bytes_ext *sbe;
681 struct snd_kcontrol_new kc;
129fc2ba
PLB		 682 int i;
683 int err = 0;
8a978234
LG		 684
685 if (soc_tplg_check_elem_count(tplg,
686 sizeof(struct snd_soc_tplg_bytes_control), count,
687 size, "mixer bytes")) {
688 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
689 count);
690 return -EINVAL;
691 }
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,
764 sizeof(struct snd_soc_tplg_mixer_control),
765 count, size, "mixers")) {
766
767 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
768 count);
769 return -EINVAL;
770 }
771
772 for (i = 0; i < count; i++) {
773 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
774
775 /* validate kcontrol */
776 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
777 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
778 return -EINVAL;
779
ff922622 780 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
8a978234
LG		 781 if (sm == NULL)
782 return -ENOMEM;
783 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 784 le32_to_cpu(mc->priv.size));
8a978234
LG		 785
786 dev_dbg(tplg->dev,
787 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
788 mc->hdr.name, mc->hdr.access);
789
790 memset(&kc, 0, sizeof(kc));
791 kc.name = mc->hdr.name;
792 kc.private_value = (long)sm;
793 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 794 kc.access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 795
796 /* we only support FL/FR channel mapping atm */
797 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
798 SNDRV_CHMAP_FL);
799 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
800 SNDRV_CHMAP_FR);
801 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
802 SNDRV_CHMAP_FL);
803 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
804 SNDRV_CHMAP_FR);
805
5aebe7c7
PLB		 806 sm->max = le32_to_cpu(mc->max);
807 sm->min = le32_to_cpu(mc->min);
808 sm->invert = le32_to_cpu(mc->invert);
809 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 810 sm->dobj.index = tplg->index;
811 sm->dobj.ops = tplg->ops;
812 sm->dobj.type = SND_SOC_DOBJ_MIXER;
813 INIT_LIST_HEAD(&sm->dobj.list);
814
815 /* map io handlers */
2b5cdb91 816 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 817 if (err) {
818 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
129fc2ba 819 break;
8a978234
LG		 820 }
821
3789debf 822 /* create any TLV data */
482db55a
AS		 823 err = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
824 if (err < 0) {
825 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
826 mc->hdr.name);
129fc2ba 827 break;
482db55a 828 }
3789debf 829
8a978234
LG		 830 /* pass control to driver for optional further init */
831 err = soc_tplg_init_kcontrol(tplg, &kc,
832 (struct snd_soc_tplg_ctl_hdr *) mc);
833 if (err < 0) {
834 dev_err(tplg->dev, "ASoC: failed to init %s\n",
835 mc->hdr.name);
129fc2ba 836 break;
8a978234
LG		 837 }
838
8a978234
LG		 839 /* register control here */
840 err = soc_tplg_add_kcontrol(tplg, &kc,
841 &sm->dobj.control.kcontrol);
842 if (err < 0) {
843 dev_err(tplg->dev, "ASoC: failed to add %s\n",
844 mc->hdr.name);
129fc2ba 845 break;
8a978234
LG		 846 }
847
848 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
849 }
850
129fc2ba 851 return err;
8a978234
LG		 852}
853
ff922622
AS		 854static int soc_tplg_denum_create_texts(struct soc_tplg *tplg, struct soc_enum *se,
855 struct snd_soc_tplg_enum_control *ec)
8a978234
LG		 856{
857 int i, ret;
858
f5824e5c
AS		 859 if (le32_to_cpu(ec->items) > ARRAY_SIZE(ec->texts))
860 return -EINVAL;
861
8a978234 862 se->dobj.control.dtexts =
ff922622 863 devm_kcalloc(tplg->dev, le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 864 if (se->dobj.control.dtexts == NULL)
865 return -ENOMEM;
866
72bbeda0 867 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 868
869 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
870 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
871 ret = -EINVAL;
872 goto err;
873 }
874
ff922622 875 se->dobj.control.dtexts[i] = devm_kstrdup(tplg->dev, ec->texts[i], GFP_KERNEL);
8a978234
LG		 876 if (!se->dobj.control.dtexts[i]) {
877 ret = -ENOMEM;
878 goto err;
879 }
880 }
881
3cde818c 882 se->items = le32_to_cpu(ec->items);
b6e38b29 883 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 884 return 0;
885
886err:
3cde818c
AS		 887 return ret;
888}
889
ff922622
AS		 890static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum *se,
891 struct snd_soc_tplg_enum_control *ec)
8a978234 892{
5aebe7c7
PLB		 893 int i;
894
631c78ed
AS		 895 /*
896 * Following "if" checks if we have at most SND_SOC_TPLG_NUM_TEXTS
897 * values instead of using ARRAY_SIZE(ec->values) due to the fact that
898 * it is oversized for its purpose. Additionally it is done so because
899 * it is defined in UAPI header where it can't be easily changed.
900 */
901 if (le32_to_cpu(ec->items) > SND_SOC_TPLG_NUM_TEXTS)
8a978234
LG		 902 return -EINVAL;
903
631c78ed 904 se->dobj.control.dvalues = devm_kcalloc(tplg->dev, le32_to_cpu(ec->items),
543466ef 905 sizeof(*se->dobj.control.dvalues),
376c0afe 906 GFP_KERNEL);
8a978234
LG		 907 if (!se->dobj.control.dvalues)
908 return -ENOMEM;
909
5aebe7c7
PLB		 910 /* convert from little-endian */
911 for (i = 0; i < le32_to_cpu(ec->items); i++) {
912 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
913 }
914
8a978234
LG		 915 return 0;
916}
917
918static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
919 size_t size)
920{
921 struct snd_soc_tplg_enum_control *ec;
922 struct soc_enum *se;
923 struct snd_kcontrol_new kc;
129fc2ba
PLB		 924 int i;
925 int err = 0;
8a978234
LG		 926
927 if (soc_tplg_check_elem_count(tplg,
928 sizeof(struct snd_soc_tplg_enum_control),
929 count, size, "enums")) {
930
931 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
932 count);
933 return -EINVAL;
934 }
935
936 for (i = 0; i < count; i++) {
937 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234
LG		 938
939 /* validate kcontrol */
940 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
941 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
942 return -EINVAL;
943
ff922622 944 se = devm_kzalloc(tplg->dev, (sizeof(*se)), GFP_KERNEL);
8a978234
LG		 945 if (se == NULL)
946 return -ENOMEM;
947
02b64245 948 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
5aebe7c7 949 le32_to_cpu(ec->priv.size));
02b64245 950
8a978234
LG		 951 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
952 ec->hdr.name, ec->items);
953
954 memset(&kc, 0, sizeof(kc));
955 kc.name = ec->hdr.name;
956 kc.private_value = (long)se;
957 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 958 kc.access = le32_to_cpu(ec->hdr.access);
8a978234
LG		 959
960 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
961 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
962 SNDRV_CHMAP_FL);
963 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
964 SNDRV_CHMAP_FL);
965
5aebe7c7 966 se->mask = le32_to_cpu(ec->mask);
8a978234
LG		 967 se->dobj.index = tplg->index;
968 se->dobj.type = SND_SOC_DOBJ_ENUM;
969 se->dobj.ops = tplg->ops;
970 INIT_LIST_HEAD(&se->dobj.list);
971
5aebe7c7 972 switch (le32_to_cpu(ec->hdr.ops.info)) {
8a978234
LG		 973 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
974 case SND_SOC_TPLG_CTL_ENUM_VALUE:
ff922622 975 err = soc_tplg_denum_create_values(tplg, se, ec);
8a978234
LG		 976 if (err < 0) {
977 dev_err(tplg->dev,
978 "ASoC: could not create values for %s\n",
979 ec->hdr.name);
129fc2ba 980 goto err_denum;
8a978234 981 }
df561f66 982 fallthrough;
8a978234
LG		 983 case SND_SOC_TPLG_CTL_ENUM:
984 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
985 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
ff922622 986 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234
LG		 987 if (err < 0) {
988 dev_err(tplg->dev,
989 "ASoC: could not create texts for %s\n",
990 ec->hdr.name);
129fc2ba 991 goto err_denum;
8a978234
LG		 992 }
993 break;
994 default:
129fc2ba 995 err = -EINVAL;
8a978234
LG		 996 dev_err(tplg->dev,
997 "ASoC: invalid enum control type %d for %s\n",
998 ec->hdr.ops.info, ec->hdr.name);
129fc2ba 999 goto err_denum;
8a978234
LG		 1000 }
1001
1002 /* map io handlers */
2b5cdb91 1003 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1004 if (err) {
1005 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
129fc2ba 1006 goto err_denum;
8a978234
LG		 1007 }
1008
1009 /* pass control to driver for optional further init */
1010 err = soc_tplg_init_kcontrol(tplg, &kc,
1011 (struct snd_soc_tplg_ctl_hdr *) ec);
1012 if (err < 0) {
1013 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1014 ec->hdr.name);
129fc2ba 1015 goto err_denum;
8a978234
LG		 1016 }
1017
1018 /* register control here */
129fc2ba
PLB		 1019 err = soc_tplg_add_kcontrol(tplg,
1020 &kc, &se->dobj.control.kcontrol);
1021 if (err < 0) {
8a978234
LG		 1022 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1023 ec->hdr.name);
129fc2ba 1024 goto err_denum;
8a978234
LG		 1025 }
1026
1027 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1028 }
952bd937
PLB		 1029 return 0;
1030
129fc2ba
PLB		 1031err_denum:
1032 return err;
8a978234
LG		 1033}
1034
1035static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1036 struct snd_soc_tplg_hdr *hdr)
1037{
1038 struct snd_soc_tplg_ctl_hdr *control_hdr;
2ae548f3 1039 int ret;
8a978234
LG		 1040 int i;
1041
8a978234
LG		 1042 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1043 soc_tplg_get_offset(tplg));
1044
5aebe7c7 1045 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
8a978234
LG		 1046
1047 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1048
5aebe7c7 1049 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1050 dev_err(tplg->dev, "ASoC: invalid control size\n");
1051 return -EINVAL;
1052 }
1053
5aebe7c7 1054 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1055 case SND_SOC_TPLG_CTL_VOLSW:
1056 case SND_SOC_TPLG_CTL_STROBE:
1057 case SND_SOC_TPLG_CTL_VOLSW_SX:
1058 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1059 case SND_SOC_TPLG_CTL_RANGE:
1060 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1061 case SND_SOC_TPLG_DAPM_CTL_PIN:
2ae548f3
AS		 1062 ret = soc_tplg_dmixer_create(tplg, 1,
1063 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1064 break;
1065 case SND_SOC_TPLG_CTL_ENUM:
1066 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1067 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1068 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1069 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
2ae548f3
AS		 1070 ret = soc_tplg_denum_create(tplg, 1,
1071 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1072 break;
1073 case SND_SOC_TPLG_CTL_BYTES:
2ae548f3
AS		 1074 ret = soc_tplg_dbytes_create(tplg, 1,
1075 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1076 break;
1077 default:
1078 soc_bind_err(tplg, control_hdr, i);
1079 return -EINVAL;
1080 }
2ae548f3
AS		 1081 if (ret < 0) {
1082 dev_err(tplg->dev, "ASoC: invalid control\n");
1083 return ret;
1084 }
1085
8a978234
LG		 1086 }
1087
1088 return 0;
1089}
1090
503e79b7
LG		 1091/* optionally pass new dynamic kcontrol to component driver. */
1092static int soc_tplg_add_route(struct soc_tplg *tplg,
1093 struct snd_soc_dapm_route *route)
1094{
c42464a4 1095 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1096 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1097 route);
1098
1099 return 0;
1100}
1101
8a978234
LG		 1102static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1103 struct snd_soc_tplg_hdr *hdr)
1104{
1105 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1106 struct snd_soc_tplg_dapm_graph_elem *elem;
7df04ea7 1107 struct snd_soc_dapm_route **routes;
ff922622 1108 int count, i;
7df04ea7 1109 int ret = 0;
8a978234 1110
5aebe7c7
PLB		 1111 count = le32_to_cpu(hdr->count);
1112
8a978234
LG		 1113 if (soc_tplg_check_elem_count(tplg,
1114 sizeof(struct snd_soc_tplg_dapm_graph_elem),
5aebe7c7 1115 count, le32_to_cpu(hdr->payload_size), "graph")) {
8a978234
LG		 1116
1117 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1118 count);
1119 return -EINVAL;
1120 }
1121
b75a6511
LG		 1122 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1123 hdr->index);
8a978234 1124
7df04ea7
RS		 1125 /* allocate memory for pointer to array of dapm routes */
1126 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1127 GFP_KERNEL);
1128 if (!routes)
1129 return -ENOMEM;
1130
1131 /*
1132 * allocate memory for each dapm route in the array.
1133 * This needs to be done individually so that
1134 * each route can be freed when it is removed in remove_route().
1135 */
1136 for (i = 0; i < count; i++) {
ff922622
AS		 1137 routes[i] = devm_kzalloc(tplg->dev, sizeof(*routes[i]), GFP_KERNEL);
1138 if (!routes[i])
7df04ea7 1139 return -ENOMEM;
7df04ea7
RS		 1140 }
1141
8a978234
LG		 1142 for (i = 0; i < count; i++) {
1143 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1144 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1145
1146 /* validate routes */
1147 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1148 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1149 ret = -EINVAL;
1150 break;
1151 }
8a978234 1152 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1153 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1154 ret = -EINVAL;
1155 break;
1156 }
8a978234 1157 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1158 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1159 ret = -EINVAL;
1160 break;
1161 }
1162
1163 routes[i]->source = elem->source;
1164 routes[i]->sink = elem->sink;
8a978234 1165
7df04ea7
RS		 1166 /* set to NULL atm for tplg users */
1167 routes[i]->connected = NULL;
8a978234 1168 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1169 routes[i]->control = NULL;
8a978234 1170 else
7df04ea7
RS		 1171 routes[i]->control = elem->control;
1172
1173 /* add route dobj to dobj_list */
1174 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1175 routes[i]->dobj.ops = tplg->ops;
1176 routes[i]->dobj.index = tplg->index;
1177 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1178
6856e887 1179 ret = soc_tplg_add_route(tplg, routes[i]);
6f0307df 1180 if (ret < 0) {
8bf9475f 1181 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6f0307df
PLB		 1182 /*
1183 * this route was added to the list, it will
1184 * be freed in remove_route() so increment the
1185 * counter to skip it in the error handling
1186 * below.
1187 */
1188 i++;
6856e887 1189 break;
6f0307df 1190 }
503e79b7 1191
8a978234 1192 /* add route, but keep going if some fail */
7df04ea7 1193 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1194 }
1195
7df04ea7
RS		 1196 /*
1197 * free pointer to array of dapm routes as this is no longer needed.
1198 * The memory allocated for each dapm route will be freed
1199 * when it is removed in remove_route().
1200 */
1201 kfree(routes);
1202
1203 return ret;
8a978234
LG		 1204}
1205
d29d41e2 1206static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1207{
8a978234
LG		 1208 struct soc_mixer_control *sm;
1209 struct snd_soc_tplg_mixer_control *mc;
d29d41e2 1210 int err;
9f90af3a 1211
d29d41e2 1212 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1213
d29d41e2
JU		 1214 /* validate kcontrol */
1215 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1216 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1217 return -EINVAL;
8a978234 1218
d29d41e2
JU		 1219 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
1220 if (!sm)
1221 return -ENOMEM;
8a978234 1222
d29d41e2
JU		 1223 tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) +
1224 le32_to_cpu(mc->priv.size);
8a978234 1225
d29d41e2
JU		 1226 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n",
1227 mc->hdr.name);
8a978234 1228
d29d41e2
JU		 1229 kc->private_value = (long)sm;
1230 kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL);
1231 if (!kc->name)
1232 return -ENOMEM;
1233 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1234 kc->access = le32_to_cpu(mc->hdr.access);
1235
1236 /* we only support FL/FR channel mapping atm */
1237 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1238 SNDRV_CHMAP_FL);
1239 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1240 SNDRV_CHMAP_FR);
1241 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1242 SNDRV_CHMAP_FL);
1243 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1244 SNDRV_CHMAP_FR);
1245
1246 sm->max = le32_to_cpu(mc->max);
1247 sm->min = le32_to_cpu(mc->min);
1248 sm->invert = le32_to_cpu(mc->invert);
1249 sm->platform_max = le32_to_cpu(mc->platform_max);
1250 sm->dobj.index = tplg->index;
1251 INIT_LIST_HEAD(&sm->dobj.list);
1252
1253 /* map io handlers */
1254 err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg);
1255 if (err) {
1256 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1257 return err;
1258 }
8a978234 1259
d29d41e2
JU		 1260 /* create any TLV data */
1261 err = soc_tplg_create_tlv(tplg, kc, &mc->hdr);
1262 if (err < 0) {
1263 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1264 mc->hdr.name);
1265 return err;
1266 }
3789debf 1267
d29d41e2
JU		 1268 /* pass control to driver for optional further init */
1269 err = soc_tplg_init_kcontrol(tplg, kc,
1270 (struct snd_soc_tplg_ctl_hdr *)mc);
1271 if (err < 0) {
1272 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1273 mc->hdr.name);
1274 return err;
8a978234 1275 }
8a978234 1276
d29d41e2 1277 return 0;
8a978234
LG		 1278}
1279
d29d41e2 1280static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1281{
8a978234
LG		 1282 struct snd_soc_tplg_enum_control *ec;
1283 struct soc_enum *se;
d29d41e2 1284 int err;
1a7dd6e2 1285
d29d41e2
JU		 1286 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1287 /* validate kcontrol */
1288 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1289 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1290 return -EINVAL;
8a978234 1291
d29d41e2
JU		 1292 se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL);
1293 if (!se)
1294 return -ENOMEM;
02b64245 1295
d29d41e2
JU		 1296 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1297 le32_to_cpu(ec->priv.size));
8a978234 1298
d29d41e2
JU		 1299 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1300 ec->hdr.name);
8a978234 1301
d29d41e2
JU		 1302 kc->private_value = (long)se;
1303 kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL);
1304 if (!kc->name)
1305 return -ENOMEM;
1306 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1307 kc->access = le32_to_cpu(ec->hdr.access);
8a978234 1308
d29d41e2
JU		 1309 /* we only support FL/FR channel mapping atm */
1310 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1311 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1312 SNDRV_CHMAP_FL);
1313 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1314 SNDRV_CHMAP_FR);
8a978234 1315
d29d41e2
JU		 1316 se->items = le32_to_cpu(ec->items);
1317 se->mask = le32_to_cpu(ec->mask);
1318 se->dobj.index = tplg->index;
1a7dd6e2 1319
d29d41e2
JU		 1320 switch (le32_to_cpu(ec->hdr.ops.info)) {
1321 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1322 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1323 err = soc_tplg_denum_create_values(tplg, se, ec);
1324 if (err < 0) {
1325 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1326 ec->hdr.name);
1327 return err;
1a7dd6e2 1328 }
d29d41e2
JU		 1329 fallthrough;
1330 case SND_SOC_TPLG_CTL_ENUM:
1331 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1332 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1333 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234 1334 if (err < 0) {
d29d41e2 1335 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
8a978234 1336 ec->hdr.name);
d29d41e2 1337 return err;
8a978234 1338 }
d29d41e2
JU		 1339 break;
1340 default:
1341 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1342 ec->hdr.ops.info, ec->hdr.name);
1343 return -EINVAL;
8a978234
LG		 1344 }
1345
d29d41e2
JU		 1346 /* map io handlers */
1347 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
1348 if (err) {
1349 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1350 return err;
1351 }
8a978234 1352
d29d41e2
JU		 1353 /* pass control to driver for optional further init */
1354 err = soc_tplg_init_kcontrol(tplg, kc,
1355 (struct snd_soc_tplg_ctl_hdr *)ec);
1356 if (err < 0) {
1357 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1358 ec->hdr.name);
1359 return err;
1360 }
1361
1362 return 0;
8a978234
LG		 1363}
1364
d29d41e2 1365static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234
LG		 1366{
1367 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1368 struct soc_bytes_ext *sbe;
d29d41e2 1369 int err;
8a978234 1370
d29d41e2 1371 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 1372
d29d41e2
JU		 1373 /* validate kcontrol */
1374 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1375 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1376 return -EINVAL;
8a978234 1377
d29d41e2
JU		 1378 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
1379 if (!sbe)
1380 return -ENOMEM;
8a978234 1381
d29d41e2
JU		 1382 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1383 le32_to_cpu(be->priv.size));
8a978234 1384
d29d41e2
JU		 1385 dev_dbg(tplg->dev,
1386 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1387 be->hdr.name, be->hdr.access);
8a978234 1388
d29d41e2
JU		 1389 kc->private_value = (long)sbe;
1390 kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL);
1391 if (!kc->name)
1392 return -ENOMEM;
1393 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1394 kc->access = le32_to_cpu(be->hdr.access);
8a978234 1395
d29d41e2
JU		 1396 sbe->max = le32_to_cpu(be->max);
1397 INIT_LIST_HEAD(&sbe->dobj.list);
8a978234 1398
d29d41e2
JU		 1399 /* map standard io handlers and check for external handlers */
1400 err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg);
1401 if (err) {
1402 soc_control_err(tplg, &be->hdr, be->hdr.name);
1403 return err;
8a978234
LG		 1404 }
1405
d29d41e2
JU		 1406 /* pass control to driver for optional further init */
1407 err = soc_tplg_init_kcontrol(tplg, kc,
1408 (struct snd_soc_tplg_ctl_hdr *)be);
1409 if (err < 0) {
1410 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1411 be->hdr.name);
1412 return err;
1413 }
9f90af3a 1414
d29d41e2 1415 return 0;
8a978234
LG		 1416}
1417
1418static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1419 struct snd_soc_tplg_dapm_widget *w)
1420{
1421 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1422 struct snd_soc_dapm_widget template, *widget;
1423 struct snd_soc_tplg_ctl_hdr *control_hdr;
1424 struct snd_soc_card *card = tplg->comp->card;
b9c035aa 1425 unsigned int *kcontrol_type = NULL;
d29d41e2
JU		 1426 struct snd_kcontrol_new *kc;
1427 int mixer_count = 0;
1428 int bytes_count = 0;
1429 int enum_count = 0;
8a978234 1430 int ret = 0;
d29d41e2 1431 int i;
8a978234
LG		 1432
1433 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1434 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1435 return -EINVAL;
1436 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1437 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1438 return -EINVAL;
1439
1440 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1441 w->name, w->id);
1442
1443 memset(&template, 0, sizeof(template));
1444
1445 /* map user to kernel widget ID */
5aebe7c7 1446 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1447 if ((int)template.id < 0)
8a978234
LG		 1448 return template.id;
1449
c3421a6a 1450 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1451 template.name = kstrdup(w->name, GFP_KERNEL);
1452 if (!template.name)
1453 return -ENOMEM;
1454 template.sname = kstrdup(w->sname, GFP_KERNEL);
1455 if (!template.sname) {
1456 ret = -ENOMEM;
1457 goto err;
1458 }
5aebe7c7
PLB		 1459 template.reg = le32_to_cpu(w->reg);
1460 template.shift = le32_to_cpu(w->shift);
1461 template.mask = le32_to_cpu(w->mask);
1462 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1463 template.on_val = w->invert ? 0 : 1;
1464 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1465 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1466 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1467 template.dobj.index = tplg->index;
1468
1469 tplg->pos +=
5aebe7c7
PLB		 1470 (sizeof(struct snd_soc_tplg_dapm_widget) +
1471 le32_to_cpu(w->priv.size));
1472
8a978234
LG		 1473 if (w->num_kcontrols == 0) {
1474 template.num_kcontrols = 0;
1475 goto widget;
1476 }
1477
1478 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1479 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1480 w->name, w->num_kcontrols, control_hdr->type);
1481
d29d41e2
JU		 1482 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
1483 kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
1484 if (!kc)
1485 goto err;
1486
1487 kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
1488 GFP_KERNEL);
1489 if (!kcontrol_type)
1490 goto err;
1491
1492 for (i = 0; i < w->num_kcontrols; i++) {
1493 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1494 switch (le32_to_cpu(control_hdr->ops.info)) {
1495 case SND_SOC_TPLG_CTL_VOLSW:
1496 case SND_SOC_TPLG_CTL_STROBE:
1497 case SND_SOC_TPLG_CTL_VOLSW_SX:
1498 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1499 case SND_SOC_TPLG_CTL_RANGE:
1500 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1501 /* volume mixer */
1502 kc[i].index = mixer_count;
1503 kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER;
1504 mixer_count++;
1505 ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]);
1506 if (ret < 0)
1507 goto hdr_err;
1508 break;
1509 case SND_SOC_TPLG_CTL_ENUM:
1510 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1511 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1512 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1513 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1514 /* enumerated mixer */
1515 kc[i].index = enum_count;
1516 kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM;
1517 enum_count++;
1518 ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]);
1519 if (ret < 0)
1520 goto hdr_err;
1521 break;
1522 case SND_SOC_TPLG_CTL_BYTES:
1523 /* bytes control */
1524 kc[i].index = bytes_count;
1525 kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES;
1526 bytes_count++;
1527 ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]);
1528 if (ret < 0)
1529 goto hdr_err;
1530 break;
1531 default:
1532 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1533 control_hdr->ops.get, control_hdr->ops.put,
1534 le32_to_cpu(control_hdr->ops.info));
1535 ret = -EINVAL;
8a978234
LG		 1536 goto hdr_err;
1537 }
8a978234
LG		 1538 }
1539
d29d41e2
JU		 1540 template.kcontrol_news = kc;
1541
8a978234
LG		 1542widget:
1543 ret = soc_tplg_widget_load(tplg, &template, w);
1544 if (ret < 0)
1545 goto hdr_err;
1546
1547 /* card dapm mutex is held by the core if we are loading topology
1548 * data during sound card init. */
1549 if (card->instantiated)
1550 widget = snd_soc_dapm_new_control(dapm, &template);
1551 else
1552 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1553 if (IS_ERR(widget)) {
1554 ret = PTR_ERR(widget);
8a978234
LG		 1555 goto hdr_err;
1556 }
1557
1558 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1559 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1560 widget->dobj.ops = tplg->ops;
1561 widget->dobj.index = tplg->index;
1562 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1563
1564 ret = soc_tplg_widget_ready(tplg, widget, w);
1565 if (ret < 0)
1566 goto ready_err;
1567
7620fe91
B		 1568 kfree(template.sname);
1569 kfree(template.name);
1570
8a978234
LG		 1571 return 0;
1572
ebd259d3 1573ready_err:
841fb109 1574 remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET);
ebd259d3 1575 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1576hdr_err:
1577 kfree(template.sname);
1578err:
1579 kfree(template.name);
1580 return ret;
1581}
1582
1583static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1584 struct snd_soc_tplg_hdr *hdr)
1585{
1586 struct snd_soc_tplg_dapm_widget *widget;
5aebe7c7
PLB		 1587 int ret, count, i;
1588
1589 count = le32_to_cpu(hdr->count);
8a978234 1590
8a978234
LG		 1591 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1592
1593 for (i = 0; i < count; i++) {
1594 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
5aebe7c7 1595 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1596 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1597 return -EINVAL;
1598 }
1599
8a978234 1600 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1601 if (ret < 0) {
8a978234
LG		 1602 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1603 widget->name);
7de76b62
ML		 1604 return ret;
1605 }
8a978234
LG		 1606 }
1607
1608 return 0;
1609}
1610
1611static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1612{
1613 struct snd_soc_card *card = tplg->comp->card;
1614 int ret;
1615
1616 /* Card might not have been registered at this point.
1617 * If so, just return success.
1618 */
1619 if (!card || !card->instantiated) {
1620 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1621 " widget card binding deferred\n");
8a978234
LG		 1622 return 0;
1623 }
1624
1625 ret = snd_soc_dapm_new_widgets(card);
1626 if (ret < 0)
1627 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1628 ret);
1629
1630 return 0;
1631}
1632
ff922622
AS		 1633static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream,
1634 struct snd_soc_tplg_stream_caps *caps)
b6b6e4d6 1635{
ff922622 1636 stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL);
abc3caac
AS		 1637 if (!stream->stream_name)
1638 return -ENOMEM;
1639
5aebe7c7
PLB		 1640 stream->channels_min = le32_to_cpu(caps->channels_min);
1641 stream->channels_max = le32_to_cpu(caps->channels_max);
1642 stream->rates = le32_to_cpu(caps->rates);
1643 stream->rate_min = le32_to_cpu(caps->rate_min);
1644 stream->rate_max = le32_to_cpu(caps->rate_max);
1645 stream->formats = le64_to_cpu(caps->formats);
1646 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1647
1648 return 0;
b6b6e4d6
ML		 1649}
1650
0038be9a
ML		 1651static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1652 unsigned int flag_mask, unsigned int flags)
1653{
1654 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
f14654dd 1655 dai_drv->symmetric_rate =
47108a61 1656 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
0038be9a
ML		 1657
1658 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1659 dai_drv->symmetric_channels =
47108a61 1660 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ?
0038be9a
ML		 1661 1 : 0;
1662
1663 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1664 dai_drv->symmetric_sample_bits =
47108a61 1665 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
0038be9a
ML		 1666 1 : 0;
1667}
1668
64527e8a
ML		 1669static int soc_tplg_dai_create(struct soc_tplg *tplg,
1670 struct snd_soc_tplg_pcm *pcm)
1671{
1672 struct snd_soc_dai_driver *dai_drv;
1673 struct snd_soc_pcm_stream *stream;
1674 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1675 struct snd_soc_dai *dai;
1676 struct snd_soc_dapm_context *dapm =
1677 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1678 int ret;
1679
ff922622 1680 dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
64527e8a
ML		 1681 if (dai_drv == NULL)
1682 return -ENOMEM;
1683
abc3caac 1684 if (strlen(pcm->dai_name)) {
ff922622 1685 dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1686 if (!dai_drv->name) {
1687 ret = -ENOMEM;
1688 goto err;
1689 }
1690 }
5aebe7c7 1691 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1692
1693 if (pcm->playback) {
1694 stream = &dai_drv->playback;
1695 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 1696 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1697 if (ret < 0)
1698 goto err;
64527e8a
ML		 1699 }
1700
1701 if (pcm->capture) {
1702 stream = &dai_drv->capture;
1703 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 1704 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1705 if (ret < 0)
1706 goto err;
64527e8a
ML		 1707 }
1708
5db6aab6
LG		 1709 if (pcm->compress)
1710 dai_drv->compress_new = snd_soc_new_compress;
1711
64527e8a 1712 /* pass control to component driver for optional further init */
c60b613a 1713 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a 1714 if (ret < 0) {
e59db12b 1715 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 1716 goto err;
64527e8a
ML		 1717 }
1718
1719 dai_drv->dobj.index = tplg->index;
1720 dai_drv->dobj.ops = tplg->ops;
1721 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1722 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1723
1724 /* register the DAI to the component */
fc4cb1e1 1725 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
e443c205
KM		 1726 if (!dai)
1727 return -ENOMEM;
1728
1729 /* Create the DAI widgets here */
1730 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1731 if (ret != 0) {
1732 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
fc4cb1e1 1733 snd_soc_unregister_dai(dai);
e443c205
KM		 1734 return ret;
1735 }
1736
abc3caac
AS		 1737 return 0;
1738
1739err:
e443c205 1740 return ret;
64527e8a
ML		 1741}
1742
717a8e72
ML		 1743static void set_link_flags(struct snd_soc_dai_link *link,
1744 unsigned int flag_mask, unsigned int flags)
1745{
1746 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
f14654dd 1747 link->symmetric_rate =
47108a61 1748 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
717a8e72
ML		 1749
1750 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1751 link->symmetric_channels =
47108a61 1752 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ?
717a8e72
ML		 1753 1 : 0;
1754
1755 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1756 link->symmetric_sample_bits =
47108a61 1757 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
717a8e72 1758 1 : 0;
6ff67cca
ML		 1759
1760 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1761 link->ignore_suspend =
47108a61
PLB		 1762 (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ?
1763 1 : 0;
717a8e72
ML		 1764}
1765
67d1c21e 1766/* create the FE DAI link */
ab4bc5ee 1767static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1768 struct snd_soc_tplg_pcm *pcm)
1769{
1770 struct snd_soc_dai_link *link;
23b946ce 1771 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1772 int ret;
1773
3e6de894 1774 /* link + cpu + codec + platform */
ff922622 1775 link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1776 if (link == NULL)
1777 return -ENOMEM;
1778
23b946ce
KM		 1779 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1780
1781 link->cpus = &dlc[0];
1782 link->codecs = &dlc[1];
3e6de894 1783 link->platforms = &dlc[2];
23b946ce
KM		 1784
1785 link->num_cpus = 1;
1786 link->num_codecs = 1;
3e6de894 1787 link->num_platforms = 1;
23b946ce 1788
8ce1cbd6
JK		 1789 link->dobj.index = tplg->index;
1790 link->dobj.ops = tplg->ops;
1791 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1792
8f27c4ab 1793 if (strlen(pcm->pcm_name)) {
ff922622
AS		 1794 link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
1795 link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1796 if (!link->name || !link->stream_name) {
1797 ret = -ENOMEM;
1798 goto err;
1799 }
8f27c4ab 1800 }
5aebe7c7 1801 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1802
abc3caac 1803 if (strlen(pcm->dai_name)) {
ff922622 1804 link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1805 if (!link->cpus->dai_name) {
1806 ret = -ENOMEM;
1807 goto err;
1808 }
1809 }
8f27c4ab 1810
23b946ce
KM		 1811 link->codecs->name = "snd-soc-dummy";
1812 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1813
3e6de894
PLB		 1814 link->platforms->name = "snd-soc-dummy";
1815
67d1c21e
GS		 1816 /* enable DPCM */
1817 link->dynamic = 1;
5aebe7c7
PLB		 1818 link->dpcm_playback = le32_to_cpu(pcm->playback);
1819 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1820 if (pcm->flag_mask)
5aebe7c7
PLB		 1821 set_link_flags(link,
1822 le32_to_cpu(pcm->flag_mask),
1823 le32_to_cpu(pcm->flags));
67d1c21e 1824
acfc7d46 1825 /* pass control to component driver for optional further init */
c60b613a 1826 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46 1827 if (ret < 0) {
e59db12b 1828 dev_err(tplg->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1829 goto err;
1830 }
1831
2acf6ce2 1832 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036 1833 if (ret < 0) {
e59db12b 1834 dev_err(tplg->dev, "ASoC: adding FE link failed\n");
76d27036 1835 goto err;
acfc7d46
ML		 1836 }
1837
acfc7d46
ML		 1838 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1839
acfc7d46 1840 return 0;
76d27036 1841err:
76d27036 1842 return ret;
acfc7d46
ML		 1843}
1844
1845/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1846static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1847 struct snd_soc_tplg_pcm *pcm)
1848{
acfc7d46
ML		 1849 int ret;
1850
1851 ret = soc_tplg_dai_create(tplg, pcm);
1852 if (ret < 0)
1853 return ret;
1854
ab4bc5ee 1855 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1856}
1857
55726dc9
ML		 1858/* copy stream caps from the old version 4 of source */
1859static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1860 struct snd_soc_tplg_stream_caps_v4 *src)
1861{
5aebe7c7 1862 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 1863 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1864 dest->formats = src->formats;
1865 dest->rates = src->rates;
1866 dest->rate_min = src->rate_min;
1867 dest->rate_max = src->rate_max;
1868 dest->channels_min = src->channels_min;
1869 dest->channels_max = src->channels_max;
1870 dest->periods_min = src->periods_min;
1871 dest->periods_max = src->periods_max;
1872 dest->period_size_min = src->period_size_min;
1873 dest->period_size_max = src->period_size_max;
1874 dest->buffer_size_min = src->buffer_size_min;
1875 dest->buffer_size_max = src->buffer_size_max;
1876}
1877
1878/**
1879 * pcm_new_ver - Create the new version of PCM from the old version.
1880 * @tplg: topology context
1881 * @src: older version of pcm as a source
1882 * @pcm: latest version of pcm created from the source
1883 *
ce1f2571 1884 * Support from version 4. User should free the returned pcm manually.
55726dc9
ML		 1885 */
1886static int pcm_new_ver(struct soc_tplg *tplg,
1887 struct snd_soc_tplg_pcm *src,
1888 struct snd_soc_tplg_pcm **pcm)
1889{
1890 struct snd_soc_tplg_pcm *dest;
1891 struct snd_soc_tplg_pcm_v4 *src_v4;
1892 int i;
1893
1894 *pcm = NULL;
1895
5aebe7c7 1896 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 1897 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1898 return -EINVAL;
1899 }
1900
1901 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1902 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1903 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1904 if (!dest)
1905 return -ENOMEM;
1906
5aebe7c7 1907 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 1908 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1909 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1910 dest->pcm_id = src_v4->pcm_id;
1911 dest->dai_id = src_v4->dai_id;
1912 dest->playback = src_v4->playback;
1913 dest->capture = src_v4->capture;
1914 dest->compress = src_v4->compress;
1915 dest->num_streams = src_v4->num_streams;
5aebe7c7 1916 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 1917 memcpy(&dest->stream[i], &src_v4->stream[i],
1918 sizeof(struct snd_soc_tplg_stream));
1919
1920 for (i = 0; i < 2; i++)
1921 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1922
1923 *pcm = dest;
1924 return 0;
1925}
1926
64527e8a 1927static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1928 struct snd_soc_tplg_hdr *hdr)
1929{
55726dc9 1930 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 1931 int count;
1932 int size;
fd340455 1933 int i;
55726dc9 1934 bool abi_match;
a3039aef 1935 int ret;
8a978234 1936
5aebe7c7
PLB		 1937 count = le32_to_cpu(hdr->count);
1938
55726dc9
ML		 1939 /* check the element size and count */
1940 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 1941 size = le32_to_cpu(pcm->size);
1942 if (size > sizeof(struct snd_soc_tplg_pcm)
1943 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 1944 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 1945 size);
55726dc9
ML		 1946 return -EINVAL;
1947 }
1948
8a978234 1949 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 1950 size, count,
1951 le32_to_cpu(hdr->payload_size),
1952 "PCM DAI")) {
8a978234
LG		 1953 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1954 count);
1955 return -EINVAL;
1956 }
1957
64527e8a 1958 for (i = 0; i < count; i++) {
55726dc9 1959 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 1960 size = le32_to_cpu(pcm->size);
55726dc9
ML		 1961
1962 /* check ABI version by size, create a new version of pcm
1963 * if abi not match.
1964 */
5aebe7c7 1965 if (size == sizeof(*pcm)) {
55726dc9
ML		 1966 abi_match = true;
1967 _pcm = pcm;
1968 } else {
1969 abi_match = false;
b3677fc3
AS		 1970 ret = pcm_new_ver(tplg, pcm, &_pcm);
1971 if (ret < 0)
1972 return ret;
06eb49f7
ML		 1973 }
1974
55726dc9 1975 /* create the FE DAIs and DAI links */
a3039aef
DT		 1976 ret = soc_tplg_pcm_create(tplg, _pcm);
1977 if (ret < 0) {
1978 if (!abi_match)
1979 kfree(_pcm);
1980 return ret;
1981 }
55726dc9 1982
717a8e72
ML		 1983 /* offset by version-specific struct size and
1984 * real priv data size
1985 */
5aebe7c7 1986 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 1987
55726dc9
ML		 1988 if (!abi_match)
1989 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1990 }
1991
8a978234 1992 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1993
8a978234 1994 return 0;
8a978234
LG		 1995}
1996
593d9e52
ML		 1997/**
1998 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1999 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 2000 * @cfg: physical link configs.
2001 *
2002 * Topology context contains a list of supported HW formats (configs) and
2003 * a default format ID for the physical link. This function will use this
2004 * default ID to choose the HW format to set the link's DAI format for init.
2005 */
2006static void set_link_hw_format(struct snd_soc_dai_link *link,
2007 struct snd_soc_tplg_link_config *cfg)
2008{
2009 struct snd_soc_tplg_hw_config *hw_config;
f026c123 2010 unsigned char bclk_provider, fsync_provider;
593d9e52
ML		 2011 unsigned char invert_bclk, invert_fsync;
2012 int i;
2013
5aebe7c7 2014 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 2015 hw_config = &cfg->hw_config[i];
2016 if (hw_config->id != cfg->default_hw_config_id)
2017 continue;
2018
5aebe7c7
PLB		 2019 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
2020 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 2021
933e1c4a 2022 /* clock gating */
fbeabd09
KM		 2023 switch (hw_config->clock_gated) {
2024 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 2025 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 2026 break;
2027
2028 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2029 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2030 break;
2031
2032 default:
2033 /* ignore the value */
2034 break;
2035 }
933e1c4a 2036
593d9e52
ML		 2037 /* clock signal polarity */
2038 invert_bclk = hw_config->invert_bclk;
2039 invert_fsync = hw_config->invert_fsync;
2040 if (!invert_bclk && !invert_fsync)
2041 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2042 else if (!invert_bclk && invert_fsync)
2043 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2044 else if (invert_bclk && !invert_fsync)
2045 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2046 else
2047 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2048
2049 /* clock masters */
f026c123
PLB		 2050 bclk_provider = (hw_config->bclk_provider ==
2051 SND_SOC_TPLG_BCLK_CP);
2052 fsync_provider = (hw_config->fsync_provider ==
2053 SND_SOC_TPLG_FSYNC_CP);
2054 if (bclk_provider && fsync_provider)
2055 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
2056 else if (!bclk_provider && fsync_provider)
2057 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP;
2058 else if (bclk_provider && !fsync_provider)
2059 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC;
593d9e52 2060 else
f026c123 2061 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
593d9e52
ML		 2062 }
2063}
2064
2065/**
2066 * link_new_ver - Create a new physical link config from the old
2067 * version of source.
8abab35f 2068 * @tplg: topology context
593d9e52
ML		 2069 * @src: old version of phyical link config as a source
2070 * @link: latest version of physical link config created from the source
2071 *
ce1f2571 2072 * Support from version 4. User need free the returned link config manually.
593d9e52
ML		 2073 */
2074static int link_new_ver(struct soc_tplg *tplg,
2075 struct snd_soc_tplg_link_config *src,
2076 struct snd_soc_tplg_link_config **link)
2077{
2078 struct snd_soc_tplg_link_config *dest;
2079 struct snd_soc_tplg_link_config_v4 *src_v4;
2080 int i;
2081
2082 *link = NULL;
2083
5aebe7c7
PLB		 2084 if (le32_to_cpu(src->size) !=
2085 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2086 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2087 return -EINVAL;
2088 }
2089
2090 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2091
2092 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2093 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2094 if (!dest)
2095 return -ENOMEM;
2096
5aebe7c7 2097 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2098 dest->id = src_v4->id;
2099 dest->num_streams = src_v4->num_streams;
5aebe7c7 2100 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2101 memcpy(&dest->stream[i], &src_v4->stream[i],
2102 sizeof(struct snd_soc_tplg_stream));
2103
2104 *link = dest;
2105 return 0;
2106}
2107
d6f31e0e
KM		 2108/**
2109 * snd_soc_find_dai_link - Find a DAI link
2110 *
2111 * @card: soc card
2112 * @id: DAI link ID to match
2113 * @name: DAI link name to match, optional
2114 * @stream_name: DAI link stream name to match, optional
2115 *
2116 * This function will search all existing DAI links of the soc card to
2117 * find the link of the same ID. Since DAI links may not have their
2118 * unique ID, so name and stream name should also match if being
2119 * specified.
2120 *
2121 * Return: pointer of DAI link, or NULL if not found.
2122 */
2123static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2124 int id, const char *name,
2125 const char *stream_name)
2126{
2127 struct snd_soc_pcm_runtime *rtd;
2128 struct snd_soc_dai_link *link;
2129
2130 for_each_card_rtds(card, rtd) {
2131 link = rtd->dai_link;
2132
2133 if (link->id != id)
2134 continue;
2135
2136 if (name && (!link->name || strcmp(name, link->name)))
2137 continue;
2138
2139 if (stream_name && (!link->stream_name
2140 || strcmp(stream_name, link->stream_name)))
2141 continue;
2142
2143 return link;
2144 }
2145
2146 return NULL;
2147}
2148
593d9e52
ML		 2149/* Find and configure an existing physical DAI link */
2150static int soc_tplg_link_config(struct soc_tplg *tplg,
2151 struct snd_soc_tplg_link_config *cfg)
2152{
2153 struct snd_soc_dai_link *link;
2154 const char *name, *stream_name;
dbab1cb8 2155 size_t len;
593d9e52
ML		 2156 int ret;
2157
dbab1cb8
ML		 2158 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2159 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2160 return -EINVAL;
2161 else if (len)
2162 name = cfg->name;
2163 else
2164 name = NULL;
2165
2166 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2167 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2168 return -EINVAL;
2169 else if (len)
2170 stream_name = cfg->stream_name;
2171 else
2172 stream_name = NULL;
593d9e52 2173
5aebe7c7 2174 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2175 name, stream_name);
2176 if (!link) {
2177 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2178 name, cfg->id);
2179 return -EINVAL;
2180 }
2181
2182 /* hw format */
2183 if (cfg->num_hw_configs)
2184 set_link_hw_format(link, cfg);
2185
2186 /* flags */
2187 if (cfg->flag_mask)
5aebe7c7
PLB		 2188 set_link_flags(link,
2189 le32_to_cpu(cfg->flag_mask),
2190 le32_to_cpu(cfg->flags));
593d9e52
ML		 2191
2192 /* pass control to component driver for optional further init */
c60b613a 2193 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2194 if (ret < 0) {
2195 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2196 return ret;
2197 }
2198
adfebb51
B		 2199 /* for unloading it in snd_soc_tplg_component_remove */
2200 link->dobj.index = tplg->index;
2201 link->dobj.ops = tplg->ops;
2202 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2203 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2204
593d9e52
ML		 2205 return 0;
2206}
2207
2208
2209/* Load physical link config elements from the topology context */
2210static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2211 struct snd_soc_tplg_hdr *hdr)
2212{
2213 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2214 int count;
2215 int size;
593d9e52
ML		 2216 int i, ret;
2217 bool abi_match;
2218
5aebe7c7
PLB		 2219 count = le32_to_cpu(hdr->count);
2220
593d9e52
ML		 2221 /* check the element size and count */
2222 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2223 size = le32_to_cpu(link->size);
2224 if (size > sizeof(struct snd_soc_tplg_link_config)
2225 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2226 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2227 size);
593d9e52
ML		 2228 return -EINVAL;
2229 }
2230
2231 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2232 size, count,
2233 le32_to_cpu(hdr->payload_size),
2234 "physical link config")) {
593d9e52
ML		 2235 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2236 count);
2237 return -EINVAL;
2238 }
2239
2240 /* config physical DAI links */
2241 for (i = 0; i < count; i++) {
2242 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2243 size = le32_to_cpu(link->size);
2244 if (size == sizeof(*link)) {
593d9e52
ML		 2245 abi_match = true;
2246 _link = link;
2247 } else {
2248 abi_match = false;
2249 ret = link_new_ver(tplg, link, &_link);
2250 if (ret < 0)
2251 return ret;
2252 }
2253
2254 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2255 if (ret < 0) {
2256 if (!abi_match)
2257 kfree(_link);
593d9e52 2258 return ret;
2b2d5c4d 2259 }
593d9e52
ML		 2260
2261 /* offset by version-specific struct size and
2262 * real priv data size
2263 */
5aebe7c7 2264 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2265
2266 if (!abi_match)
2267 kfree(_link); /* free the duplicated one */
2268 }
2269
2270 return 0;
2271}
2272
9aa3f034
ML		 2273/**
2274 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2275 * @tplg: topology context
9aa3f034 2276 * @d: physical DAI configs.
0038be9a 2277 *
9aa3f034
ML		 2278 * The physical dai should already be registered by the platform driver.
2279 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2280 */
9aa3f034
ML		 2281static int soc_tplg_dai_config(struct soc_tplg *tplg,
2282 struct snd_soc_tplg_dai *d)
0038be9a 2283{
5aebe7c7 2284 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2285 struct snd_soc_dai *dai;
2286 struct snd_soc_dai_driver *dai_drv;
2287 struct snd_soc_pcm_stream *stream;
2288 struct snd_soc_tplg_stream_caps *caps;
2289 int ret;
2290
5aebe7c7
PLB		 2291 memset(&dai_component, 0, sizeof(dai_component));
2292
9aa3f034 2293 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2294 dai = snd_soc_find_dai(&dai_component);
2295 if (!dai) {
9aa3f034
ML		 2296 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2297 d->dai_name);
0038be9a
ML		 2298 return -EINVAL;
2299 }
2300
5aebe7c7 2301 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2302 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2303 d->dai_name);
0038be9a
ML		 2304 return -EINVAL;
2305 }
2306
2307 dai_drv = dai->driver;
2308 if (!dai_drv)
2309 return -EINVAL;
2310
9aa3f034 2311 if (d->playback) {
0038be9a 2312 stream = &dai_drv->playback;
9aa3f034 2313 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 2314 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2315 if (ret < 0)
2316 goto err;
0038be9a
ML		 2317 }
2318
9aa3f034 2319 if (d->capture) {
0038be9a 2320 stream = &dai_drv->capture;
9aa3f034 2321 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 2322 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2323 if (ret < 0)
2324 goto err;
0038be9a
ML		 2325 }
2326
9aa3f034 2327 if (d->flag_mask)
5aebe7c7
PLB		 2328 set_dai_flags(dai_drv,
2329 le32_to_cpu(d->flag_mask),
2330 le32_to_cpu(d->flags));
0038be9a
ML		 2331
2332 /* pass control to component driver for optional further init */
c60b613a 2333 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a 2334 if (ret < 0) {
e59db12b 2335 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 2336 goto err;
0038be9a
ML		 2337 }
2338
2339 return 0;
abc3caac
AS		 2340
2341err:
abc3caac 2342 return ret;
0038be9a
ML		 2343}
2344
9aa3f034
ML		 2345/* load physical DAI elements */
2346static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2347 struct snd_soc_tplg_hdr *hdr)
0038be9a 2348{
9aa3f034 2349 struct snd_soc_tplg_dai *dai;
5aebe7c7 2350 int count;
dd8e871d 2351 int i, ret;
0038be9a 2352
5aebe7c7
PLB		 2353 count = le32_to_cpu(hdr->count);
2354
0038be9a
ML		 2355 /* config the existing BE DAIs */
2356 for (i = 0; i < count; i++) {
9aa3f034 2357 dai = (struct snd_soc_tplg_dai *)tplg->pos;
5aebe7c7 2358 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2359 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2360 return -EINVAL;
2361 }
2362
dd8e871d
AS		 2363 ret = soc_tplg_dai_config(tplg, dai);
2364 if (ret < 0) {
2365 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2366 return ret;
2367 }
2368
5aebe7c7 2369 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2370 }
2371
2372 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2373 return 0;
2374}
2375
583958fa
ML		 2376/**
2377 * manifest_new_ver - Create a new version of manifest from the old version
2378 * of source.
8abab35f 2379 * @tplg: topology context
583958fa
ML		 2380 * @src: old version of manifest as a source
2381 * @manifest: latest version of manifest created from the source
2382 *
ce1f2571 2383 * Support from version 4. Users need free the returned manifest manually.
583958fa
ML		 2384 */
2385static int manifest_new_ver(struct soc_tplg *tplg,
2386 struct snd_soc_tplg_manifest *src,
2387 struct snd_soc_tplg_manifest **manifest)
2388{
2389 struct snd_soc_tplg_manifest *dest;
2390 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2391 int size;
583958fa
ML		 2392
2393 *manifest = NULL;
2394
5aebe7c7
PLB		 2395 size = le32_to_cpu(src->size);
2396 if (size != sizeof(*src_v4)) {
ac9391da 2397 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2398 size);
2399 if (size)
ac9391da 2400 return -EINVAL;
5aebe7c7 2401 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2402 }
2403
2404 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2405
2406 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2407 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2408 GFP_KERNEL);
583958fa
ML		 2409 if (!dest)
2410 return -ENOMEM;
2411
5aebe7c7 2412 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2413 dest->control_elems = src_v4->control_elems;
2414 dest->widget_elems = src_v4->widget_elems;
2415 dest->graph_elems = src_v4->graph_elems;
2416 dest->pcm_elems = src_v4->pcm_elems;
2417 dest->dai_link_elems = src_v4->dai_link_elems;
2418 dest->priv.size = src_v4->priv.size;
2419 if (dest->priv.size)
2420 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2421 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2422
2423 *manifest = dest;
2424 return 0;
2425}
0038be9a 2426
8a978234 2427static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2428 struct snd_soc_tplg_hdr *hdr)
8a978234 2429{
583958fa
ML		 2430 struct snd_soc_tplg_manifest *manifest, *_manifest;
2431 bool abi_match;
242c46c0 2432 int ret = 0;
8a978234 2433
8a978234 2434 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2435
583958fa 2436 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2437 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2438 abi_match = true;
2439 _manifest = manifest;
2440 } else {
2441 abi_match = false;
242c46c0
DT		 2442 ret = manifest_new_ver(tplg, manifest, &_manifest);
2443 if (ret < 0)
2444 return ret;
583958fa 2445 }
8a978234 2446
583958fa 2447 /* pass control to component driver for optional further init */
c42464a4 2448 if (tplg->ops && tplg->ops->manifest)
242c46c0 2449 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2450
2451 if (!abi_match) /* free the duplicated one */
2452 kfree(_manifest);
8a978234 2453
242c46c0 2454 return ret;
8a978234
LG		 2455}
2456
2457/* validate header magic, size and type */
2458static int soc_valid_header(struct soc_tplg *tplg,
2459 struct snd_soc_tplg_hdr *hdr)
2460{
2461 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2462 return 0;
2463
5aebe7c7 2464 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2465 dev_err(tplg->dev,
2466 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2467 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2468 tplg->fw->size);
2469 return -EINVAL;
2470 }
2471
8a978234 2472 /* big endian firmware objects not supported atm */
26d87881 2473 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2474 dev_err(tplg->dev,
2475 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2476 tplg->pass, hdr->magic,
2477 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2478 return -EINVAL;
2479 }
2480
5aebe7c7 2481 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2482 dev_err(tplg->dev,
2483 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2484 tplg->pass, hdr->magic,
2485 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2486 return -EINVAL;
2487 }
2488
288b8da7 2489 /* Support ABI from version 4 */
5aebe7c7
PLB		 2490 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2491 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2492 dev_err(tplg->dev,
2493 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2494 tplg->pass, hdr->abi,
2495 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2496 tplg->fw->size);
2497 return -EINVAL;
2498 }
2499
2500 if (hdr->payload_size == 0) {
2501 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2502 soc_tplg_get_hdr_offset(tplg));
2503 return -EINVAL;
2504 }
2505
8a978234
LG		 2506 return 1;
2507}
2508
2509/* check header type and call appropriate handler */
2510static int soc_tplg_load_header(struct soc_tplg *tplg,
2511 struct snd_soc_tplg_hdr *hdr)
2512{
82ed7418
KJ		 2513 int (*elem_load)(struct soc_tplg *tplg,
2514 struct snd_soc_tplg_hdr *hdr);
2515 unsigned int hdr_pass;
2516
8a978234
LG		 2517 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2518
5aebe7c7 2519 tplg->index = le32_to_cpu(hdr->index);
8a978234 2520
5aebe7c7 2521 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2522 case SND_SOC_TPLG_TYPE_MIXER:
2523 case SND_SOC_TPLG_TYPE_ENUM:
2524 case SND_SOC_TPLG_TYPE_BYTES:
82ed7418
KJ		 2525 hdr_pass = SOC_TPLG_PASS_MIXER;
2526 elem_load = soc_tplg_kcontrol_elems_load;
2527 break;
8a978234 2528 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2529 hdr_pass = SOC_TPLG_PASS_GRAPH;
2530 elem_load = soc_tplg_dapm_graph_elems_load;
2531 break;
8a978234 2532 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2533 hdr_pass = SOC_TPLG_PASS_WIDGET;
2534 elem_load = soc_tplg_dapm_widget_elems_load;
2535 break;
8a978234 2536 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2537 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2538 elem_load = soc_tplg_pcm_elems_load;
2539 break;
3fbf7935 2540 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2541 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2542 elem_load = soc_tplg_dai_elems_load;
2543 break;
593d9e52
ML		 2544 case SND_SOC_TPLG_TYPE_DAI_LINK:
2545 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2546 /* physical link configurations */
82ed7418
KJ		 2547 hdr_pass = SOC_TPLG_PASS_LINK;
2548 elem_load = soc_tplg_link_elems_load;
2549 break;
8a978234 2550 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2551 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2552 elem_load = soc_tplg_manifest_load;
2553 break;
8a978234
LG		 2554 default:
2555 /* bespoke vendor data object */
82ed7418
KJ		 2556 hdr_pass = SOC_TPLG_PASS_VENDOR;
2557 elem_load = soc_tplg_vendor_load;
2558 break;
2559 }
2560
2561 if (tplg->pass == hdr_pass) {
2562 dev_dbg(tplg->dev,
2563 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2564 hdr->payload_size, hdr->type, hdr->version,
2565 hdr->vendor_type, tplg->pass);
2566 return elem_load(tplg, hdr);
8a978234
LG		 2567 }
2568
2569 return 0;
2570}
2571
2572/* process the topology file headers */
2573static int soc_tplg_process_headers(struct soc_tplg *tplg)
2574{
8a978234
LG		 2575 int ret;
2576
2577 tplg->pass = SOC_TPLG_PASS_START;
2578
2579 /* process the header types from start to end */
2580 while (tplg->pass <= SOC_TPLG_PASS_END) {
f79e4b2a 2581 struct snd_soc_tplg_hdr *hdr;
8a978234
LG		 2582
2583 tplg->hdr_pos = tplg->fw->data;
2584 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2585
2586 while (!soc_tplg_is_eof(tplg)) {
2587
2588 /* make sure header is valid before loading */
2589 ret = soc_valid_header(tplg, hdr);
8bf9475f
PLB		 2590 if (ret < 0) {
2591 dev_err(tplg->dev,
2592 "ASoC: topology: invalid header: %d\n", ret);
8a978234 2593 return ret;
8bf9475f 2594 } else if (ret == 0) {
8a978234 2595 break;
8bf9475f 2596 }
8a978234
LG		 2597
2598 /* load the header object */
2599 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f
PLB		 2600 if (ret < 0) {
2601 dev_err(tplg->dev,
2602 "ASoC: topology: could not load header: %d\n", ret);
8a978234 2603 return ret;
8bf9475f 2604 }
8a978234
LG		 2605
2606 /* goto next header */
5aebe7c7 2607 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2608 sizeof(struct snd_soc_tplg_hdr);
2609 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2610 }
2611
2612 /* next data type pass */
2613 tplg->pass++;
2614 }
2615
2616 /* signal DAPM we are complete */
2617 ret = soc_tplg_dapm_complete(tplg);
2618 if (ret < 0)
2619 dev_err(tplg->dev,
2620 "ASoC: failed to initialise DAPM from Firmware\n");
2621
2622 return ret;
2623}
2624
2625static int soc_tplg_load(struct soc_tplg *tplg)
2626{
2627 int ret;
2628
2629 ret = soc_tplg_process_headers(tplg);
2630 if (ret == 0)
2631 soc_tplg_complete(tplg);
2632
2633 return ret;
2634}
2635
2636/* load audio component topology from "firmware" file */
2637int snd_soc_tplg_component_load(struct snd_soc_component *comp,
a5b8f71c 2638 struct snd_soc_tplg_ops *ops, const struct firmware *fw)
8a978234
LG		 2639{
2640 struct soc_tplg tplg;
304017d3 2641 int ret;
8a978234 2642
d40ab86f
AS		 2643 /*
2644 * check if we have sane parameters:
2645 * comp - needs to exist to keep and reference data while parsing
2646 * comp->dev - used for resource management and prints
2647 * comp->card - used for setting card related parameters
2648 * fw - we need it, as it is the very thing we parse
2649 */
2650 if (!comp || !comp->dev || !comp->card || !fw)
c42464a4 2651 return -EINVAL;
8a978234
LG		 2652
2653 /* setup parsing context */
2654 memset(&tplg, 0, sizeof(tplg));
2655 tplg.fw = fw;
2656 tplg.dev = comp->dev;
2657 tplg.comp = comp;
9c88a983
AS		 2658 if (ops) {
2659 tplg.ops = ops;
2660 tplg.io_ops = ops->io_ops;
2661 tplg.io_ops_count = ops->io_ops_count;
2662 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2663 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2664 }
8a978234 2665
304017d3
B		 2666 ret = soc_tplg_load(&tplg);
2667 /* free the created components if fail to load topology */
2668 if (ret)
a5b8f71c 2669 snd_soc_tplg_component_remove(comp);
304017d3
B		 2670
2671 return ret;
8a978234
LG		 2672}
2673EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2674
8a978234 2675/* remove dynamic controls from the component driver */
a5b8f71c 2676int snd_soc_tplg_component_remove(struct snd_soc_component *comp)
8a978234
LG		 2677{
2678 struct snd_soc_dobj *dobj, *next_dobj;
2679 int pass = SOC_TPLG_PASS_END;
2680
2681 /* process the header types from end to start */
2682 while (pass >= SOC_TPLG_PASS_START) {
2683
2684 /* remove mixer controls */
2685 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2686 list) {
2687
8a978234
LG		 2688 switch (dobj->type) {
2689 case SND_SOC_DOBJ_MIXER:
2690 remove_mixer(comp, dobj, pass);
2691 break;
2692 case SND_SOC_DOBJ_ENUM:
2693 remove_enum(comp, dobj, pass);
2694 break;
2695 case SND_SOC_DOBJ_BYTES:
2696 remove_bytes(comp, dobj, pass);
2697 break;
7df04ea7
RS		 2698 case SND_SOC_DOBJ_GRAPH:
2699 remove_route(comp, dobj, pass);
2700 break;
8a978234
LG		 2701 case SND_SOC_DOBJ_WIDGET:
2702 remove_widget(comp, dobj, pass);
2703 break;
2704 case SND_SOC_DOBJ_PCM:
64527e8a 2705 remove_dai(comp, dobj, pass);
8a978234 2706 break;
acfc7d46
ML		 2707 case SND_SOC_DOBJ_DAI_LINK:
2708 remove_link(comp, dobj, pass);
2709 break;
adfebb51
B		 2710 case SND_SOC_DOBJ_BACKEND_LINK:
2711 /*
2712 * call link_unload ops if extra
2713 * deinitialization is needed.
2714 */
2715 remove_backend_link(comp, dobj, pass);
2716 break;
8a978234
LG		 2717 default:
2718 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2719 dobj->type);
2720 break;
2721 }
2722 }
2723 pass--;
2724 }
2725
2726 /* let caller know if FW can be freed when no objects are left */
2727 return !list_empty(&comp->dobj_list);
2728}
2729EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)