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ASoC: amd: acp: declare and add prefix to 'bt_uart_enable' symbol
[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{
2ae548f3 1038 int ret;
8a978234
LG		 1039 int i;
1040
8a978234
LG		 1041 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1042 soc_tplg_get_offset(tplg));
1043
5aebe7c7 1044 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
ea8f6b29 1045 struct snd_soc_tplg_ctl_hdr *control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
8a978234 1046
5aebe7c7 1047 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1048 dev_err(tplg->dev, "ASoC: invalid control size\n");
1049 return -EINVAL;
1050 }
1051
5aebe7c7 1052 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1053 case SND_SOC_TPLG_CTL_VOLSW:
1054 case SND_SOC_TPLG_CTL_STROBE:
1055 case SND_SOC_TPLG_CTL_VOLSW_SX:
1056 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1057 case SND_SOC_TPLG_CTL_RANGE:
1058 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1059 case SND_SOC_TPLG_DAPM_CTL_PIN:
2ae548f3
AS		 1060 ret = soc_tplg_dmixer_create(tplg, 1,
1061 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1062 break;
1063 case SND_SOC_TPLG_CTL_ENUM:
1064 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1065 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1066 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1067 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
2ae548f3
AS		 1068 ret = soc_tplg_denum_create(tplg, 1,
1069 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1070 break;
1071 case SND_SOC_TPLG_CTL_BYTES:
2ae548f3
AS		 1072 ret = soc_tplg_dbytes_create(tplg, 1,
1073 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1074 break;
1075 default:
1076 soc_bind_err(tplg, control_hdr, i);
1077 return -EINVAL;
1078 }
2ae548f3
AS		 1079 if (ret < 0) {
1080 dev_err(tplg->dev, "ASoC: invalid control\n");
1081 return ret;
1082 }
1083
8a978234
LG		 1084 }
1085
1086 return 0;
1087}
1088
503e79b7
LG		 1089/* optionally pass new dynamic kcontrol to component driver. */
1090static int soc_tplg_add_route(struct soc_tplg *tplg,
1091 struct snd_soc_dapm_route *route)
1092{
c42464a4 1093 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1094 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1095 route);
1096
1097 return 0;
1098}
1099
8a978234
LG		 1100static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1101 struct snd_soc_tplg_hdr *hdr)
1102{
1103 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1104 struct snd_soc_tplg_dapm_graph_elem *elem;
7df04ea7 1105 struct snd_soc_dapm_route **routes;
ff922622 1106 int count, i;
7df04ea7 1107 int ret = 0;
8a978234 1108
5aebe7c7
PLB		 1109 count = le32_to_cpu(hdr->count);
1110
8a978234
LG		 1111 if (soc_tplg_check_elem_count(tplg,
1112 sizeof(struct snd_soc_tplg_dapm_graph_elem),
5aebe7c7 1113 count, le32_to_cpu(hdr->payload_size), "graph")) {
8a978234
LG		 1114
1115 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1116 count);
1117 return -EINVAL;
1118 }
1119
b75a6511
LG		 1120 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1121 hdr->index);
8a978234 1122
7df04ea7
RS		 1123 /* allocate memory for pointer to array of dapm routes */
1124 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1125 GFP_KERNEL);
1126 if (!routes)
1127 return -ENOMEM;
1128
1129 /*
1130 * allocate memory for each dapm route in the array.
1131 * This needs to be done individually so that
1132 * each route can be freed when it is removed in remove_route().
1133 */
1134 for (i = 0; i < count; i++) {
ff922622
AS		 1135 routes[i] = devm_kzalloc(tplg->dev, sizeof(*routes[i]), GFP_KERNEL);
1136 if (!routes[i])
7df04ea7 1137 return -ENOMEM;
7df04ea7
RS		 1138 }
1139
8a978234
LG		 1140 for (i = 0; i < count; i++) {
1141 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1142 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1143
1144 /* validate routes */
1145 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1146 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1147 ret = -EINVAL;
1148 break;
1149 }
8a978234 1150 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1151 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1152 ret = -EINVAL;
1153 break;
1154 }
8a978234 1155 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1156 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1157 ret = -EINVAL;
1158 break;
1159 }
1160
1161 routes[i]->source = elem->source;
1162 routes[i]->sink = elem->sink;
8a978234 1163
7df04ea7
RS		 1164 /* set to NULL atm for tplg users */
1165 routes[i]->connected = NULL;
8a978234 1166 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1167 routes[i]->control = NULL;
8a978234 1168 else
7df04ea7
RS		 1169 routes[i]->control = elem->control;
1170
1171 /* add route dobj to dobj_list */
1172 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1173 routes[i]->dobj.ops = tplg->ops;
1174 routes[i]->dobj.index = tplg->index;
1175 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1176
6856e887 1177 ret = soc_tplg_add_route(tplg, routes[i]);
6f0307df 1178 if (ret < 0) {
8bf9475f 1179 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6f0307df
PLB		 1180 /*
1181 * this route was added to the list, it will
1182 * be freed in remove_route() so increment the
1183 * counter to skip it in the error handling
1184 * below.
1185 */
1186 i++;
6856e887 1187 break;
6f0307df 1188 }
503e79b7 1189
8a978234 1190 /* add route, but keep going if some fail */
7df04ea7 1191 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1192 }
1193
7df04ea7
RS		 1194 /*
1195 * free pointer to array of dapm routes as this is no longer needed.
1196 * The memory allocated for each dapm route will be freed
1197 * when it is removed in remove_route().
1198 */
1199 kfree(routes);
1200
1201 return ret;
8a978234
LG		 1202}
1203
d29d41e2 1204static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1205{
8a978234
LG		 1206 struct soc_mixer_control *sm;
1207 struct snd_soc_tplg_mixer_control *mc;
d29d41e2 1208 int err;
9f90af3a 1209
d29d41e2 1210 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1211
d29d41e2
JU		 1212 /* validate kcontrol */
1213 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1214 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1215 return -EINVAL;
8a978234 1216
d29d41e2
JU		 1217 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
1218 if (!sm)
1219 return -ENOMEM;
8a978234 1220
d29d41e2
JU		 1221 tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) +
1222 le32_to_cpu(mc->priv.size);
8a978234 1223
d29d41e2
JU		 1224 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n",
1225 mc->hdr.name);
8a978234 1226
d29d41e2
JU		 1227 kc->private_value = (long)sm;
1228 kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL);
1229 if (!kc->name)
1230 return -ENOMEM;
1231 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1232 kc->access = le32_to_cpu(mc->hdr.access);
1233
1234 /* we only support FL/FR channel mapping atm */
1235 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1236 SNDRV_CHMAP_FL);
1237 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1238 SNDRV_CHMAP_FR);
1239 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1240 SNDRV_CHMAP_FL);
1241 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1242 SNDRV_CHMAP_FR);
1243
1244 sm->max = le32_to_cpu(mc->max);
1245 sm->min = le32_to_cpu(mc->min);
1246 sm->invert = le32_to_cpu(mc->invert);
1247 sm->platform_max = le32_to_cpu(mc->platform_max);
1248 sm->dobj.index = tplg->index;
1249 INIT_LIST_HEAD(&sm->dobj.list);
1250
1251 /* map io handlers */
1252 err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg);
1253 if (err) {
1254 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1255 return err;
1256 }
8a978234 1257
d29d41e2
JU		 1258 /* create any TLV data */
1259 err = soc_tplg_create_tlv(tplg, kc, &mc->hdr);
1260 if (err < 0) {
1261 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1262 mc->hdr.name);
1263 return err;
1264 }
3789debf 1265
d29d41e2
JU		 1266 /* pass control to driver for optional further init */
1267 err = soc_tplg_init_kcontrol(tplg, kc,
1268 (struct snd_soc_tplg_ctl_hdr *)mc);
1269 if (err < 0) {
1270 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1271 mc->hdr.name);
1272 return err;
8a978234 1273 }
8a978234 1274
d29d41e2 1275 return 0;
8a978234
LG		 1276}
1277
d29d41e2 1278static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1279{
8a978234
LG		 1280 struct snd_soc_tplg_enum_control *ec;
1281 struct soc_enum *se;
d29d41e2 1282 int err;
1a7dd6e2 1283
d29d41e2
JU		 1284 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1285 /* validate kcontrol */
1286 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1287 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1288 return -EINVAL;
8a978234 1289
d29d41e2
JU		 1290 se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL);
1291 if (!se)
1292 return -ENOMEM;
02b64245 1293
d29d41e2
JU		 1294 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1295 le32_to_cpu(ec->priv.size));
8a978234 1296
d29d41e2
JU		 1297 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1298 ec->hdr.name);
8a978234 1299
d29d41e2
JU		 1300 kc->private_value = (long)se;
1301 kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL);
1302 if (!kc->name)
1303 return -ENOMEM;
1304 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1305 kc->access = le32_to_cpu(ec->hdr.access);
8a978234 1306
d29d41e2
JU		 1307 /* we only support FL/FR channel mapping atm */
1308 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1309 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1310 SNDRV_CHMAP_FL);
1311 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1312 SNDRV_CHMAP_FR);
8a978234 1313
d29d41e2
JU		 1314 se->items = le32_to_cpu(ec->items);
1315 se->mask = le32_to_cpu(ec->mask);
1316 se->dobj.index = tplg->index;
1a7dd6e2 1317
d29d41e2
JU		 1318 switch (le32_to_cpu(ec->hdr.ops.info)) {
1319 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1320 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1321 err = soc_tplg_denum_create_values(tplg, se, ec);
1322 if (err < 0) {
1323 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1324 ec->hdr.name);
1325 return err;
1a7dd6e2 1326 }
d29d41e2
JU		 1327 fallthrough;
1328 case SND_SOC_TPLG_CTL_ENUM:
1329 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1330 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1331 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234 1332 if (err < 0) {
d29d41e2 1333 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
8a978234 1334 ec->hdr.name);
d29d41e2 1335 return err;
8a978234 1336 }
d29d41e2
JU		 1337 break;
1338 default:
1339 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1340 ec->hdr.ops.info, ec->hdr.name);
1341 return -EINVAL;
8a978234
LG		 1342 }
1343
d29d41e2
JU		 1344 /* map io handlers */
1345 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
1346 if (err) {
1347 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1348 return err;
1349 }
8a978234 1350
d29d41e2
JU		 1351 /* pass control to driver for optional further init */
1352 err = soc_tplg_init_kcontrol(tplg, kc,
1353 (struct snd_soc_tplg_ctl_hdr *)ec);
1354 if (err < 0) {
1355 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1356 ec->hdr.name);
1357 return err;
1358 }
1359
1360 return 0;
8a978234
LG		 1361}
1362
d29d41e2 1363static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234
LG		 1364{
1365 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1366 struct soc_bytes_ext *sbe;
d29d41e2 1367 int err;
8a978234 1368
d29d41e2 1369 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 1370
d29d41e2
JU		 1371 /* validate kcontrol */
1372 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1373 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1374 return -EINVAL;
8a978234 1375
d29d41e2
JU		 1376 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
1377 if (!sbe)
1378 return -ENOMEM;
8a978234 1379
d29d41e2
JU		 1380 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1381 le32_to_cpu(be->priv.size));
8a978234 1382
d29d41e2
JU		 1383 dev_dbg(tplg->dev,
1384 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1385 be->hdr.name, be->hdr.access);
8a978234 1386
d29d41e2
JU		 1387 kc->private_value = (long)sbe;
1388 kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL);
1389 if (!kc->name)
1390 return -ENOMEM;
1391 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1392 kc->access = le32_to_cpu(be->hdr.access);
8a978234 1393
d29d41e2
JU		 1394 sbe->max = le32_to_cpu(be->max);
1395 INIT_LIST_HEAD(&sbe->dobj.list);
8a978234 1396
d29d41e2
JU		 1397 /* map standard io handlers and check for external handlers */
1398 err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg);
1399 if (err) {
1400 soc_control_err(tplg, &be->hdr, be->hdr.name);
1401 return err;
8a978234
LG		 1402 }
1403
d29d41e2
JU		 1404 /* pass control to driver for optional further init */
1405 err = soc_tplg_init_kcontrol(tplg, kc,
1406 (struct snd_soc_tplg_ctl_hdr *)be);
1407 if (err < 0) {
1408 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1409 be->hdr.name);
1410 return err;
1411 }
9f90af3a 1412
d29d41e2 1413 return 0;
8a978234
LG		 1414}
1415
1416static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1417 struct snd_soc_tplg_dapm_widget *w)
1418{
1419 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1420 struct snd_soc_dapm_widget template, *widget;
1421 struct snd_soc_tplg_ctl_hdr *control_hdr;
1422 struct snd_soc_card *card = tplg->comp->card;
b9c035aa 1423 unsigned int *kcontrol_type = NULL;
d29d41e2
JU		 1424 struct snd_kcontrol_new *kc;
1425 int mixer_count = 0;
1426 int bytes_count = 0;
1427 int enum_count = 0;
8a978234 1428 int ret = 0;
d29d41e2 1429 int i;
8a978234
LG		 1430
1431 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1432 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1433 return -EINVAL;
1434 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1435 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1436 return -EINVAL;
1437
1438 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1439 w->name, w->id);
1440
1441 memset(&template, 0, sizeof(template));
1442
1443 /* map user to kernel widget ID */
5aebe7c7 1444 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1445 if ((int)template.id < 0)
8a978234
LG		 1446 return template.id;
1447
c3421a6a 1448 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1449 template.name = kstrdup(w->name, GFP_KERNEL);
1450 if (!template.name)
1451 return -ENOMEM;
1452 template.sname = kstrdup(w->sname, GFP_KERNEL);
1453 if (!template.sname) {
1454 ret = -ENOMEM;
1455 goto err;
1456 }
5aebe7c7
PLB		 1457 template.reg = le32_to_cpu(w->reg);
1458 template.shift = le32_to_cpu(w->shift);
1459 template.mask = le32_to_cpu(w->mask);
1460 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1461 template.on_val = w->invert ? 0 : 1;
1462 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1463 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1464 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1465 template.dobj.index = tplg->index;
1466
1467 tplg->pos +=
5aebe7c7
PLB		 1468 (sizeof(struct snd_soc_tplg_dapm_widget) +
1469 le32_to_cpu(w->priv.size));
1470
8a978234
LG		 1471 if (w->num_kcontrols == 0) {
1472 template.num_kcontrols = 0;
1473 goto widget;
1474 }
1475
1476 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1477 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1478 w->name, w->num_kcontrols, control_hdr->type);
1479
d29d41e2
JU		 1480 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
1481 kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
1482 if (!kc)
1483 goto err;
1484
1485 kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
1486 GFP_KERNEL);
1487 if (!kcontrol_type)
1488 goto err;
1489
1490 for (i = 0; i < w->num_kcontrols; i++) {
1491 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1492 switch (le32_to_cpu(control_hdr->ops.info)) {
1493 case SND_SOC_TPLG_CTL_VOLSW:
1494 case SND_SOC_TPLG_CTL_STROBE:
1495 case SND_SOC_TPLG_CTL_VOLSW_SX:
1496 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1497 case SND_SOC_TPLG_CTL_RANGE:
1498 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1499 /* volume mixer */
1500 kc[i].index = mixer_count;
1501 kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER;
1502 mixer_count++;
1503 ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]);
1504 if (ret < 0)
1505 goto hdr_err;
1506 break;
1507 case SND_SOC_TPLG_CTL_ENUM:
1508 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1509 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1510 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1511 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1512 /* enumerated mixer */
1513 kc[i].index = enum_count;
1514 kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM;
1515 enum_count++;
1516 ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]);
1517 if (ret < 0)
1518 goto hdr_err;
1519 break;
1520 case SND_SOC_TPLG_CTL_BYTES:
1521 /* bytes control */
1522 kc[i].index = bytes_count;
1523 kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES;
1524 bytes_count++;
1525 ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]);
1526 if (ret < 0)
1527 goto hdr_err;
1528 break;
1529 default:
1530 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1531 control_hdr->ops.get, control_hdr->ops.put,
1532 le32_to_cpu(control_hdr->ops.info));
1533 ret = -EINVAL;
8a978234
LG		 1534 goto hdr_err;
1535 }
8a978234
LG		 1536 }
1537
d29d41e2
JU		 1538 template.kcontrol_news = kc;
1539
8a978234
LG		 1540widget:
1541 ret = soc_tplg_widget_load(tplg, &template, w);
1542 if (ret < 0)
1543 goto hdr_err;
1544
1545 /* card dapm mutex is held by the core if we are loading topology
1546 * data during sound card init. */
1547 if (card->instantiated)
1548 widget = snd_soc_dapm_new_control(dapm, &template);
1549 else
1550 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1551 if (IS_ERR(widget)) {
1552 ret = PTR_ERR(widget);
8a978234
LG		 1553 goto hdr_err;
1554 }
1555
1556 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1557 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1558 widget->dobj.ops = tplg->ops;
1559 widget->dobj.index = tplg->index;
1560 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1561
1562 ret = soc_tplg_widget_ready(tplg, widget, w);
1563 if (ret < 0)
1564 goto ready_err;
1565
7620fe91
B		 1566 kfree(template.sname);
1567 kfree(template.name);
1568
8a978234
LG		 1569 return 0;
1570
ebd259d3 1571ready_err:
841fb109 1572 remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET);
ebd259d3 1573 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1574hdr_err:
1575 kfree(template.sname);
1576err:
1577 kfree(template.name);
1578 return ret;
1579}
1580
1581static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1582 struct snd_soc_tplg_hdr *hdr)
1583{
e9aa139f 1584 int count, i;
5aebe7c7
PLB		 1585
1586 count = le32_to_cpu(hdr->count);
8a978234 1587
8a978234
LG		 1588 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1589
1590 for (i = 0; i < count; i++) {
e9aa139f
KM		 1591 struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1592 int ret;
1593
5aebe7c7 1594 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1595 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1596 return -EINVAL;
1597 }
1598
8a978234 1599 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1600 if (ret < 0) {
8a978234
LG		 1601 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1602 widget->name);
7de76b62
ML		 1603 return ret;
1604 }
8a978234
LG		 1605 }
1606
1607 return 0;
1608}
1609
1610static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1611{
1612 struct snd_soc_card *card = tplg->comp->card;
1613 int ret;
1614
1615 /* Card might not have been registered at this point.
1616 * If so, just return success.
1617 */
1618 if (!card || !card->instantiated) {
1619 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1620 " widget card binding deferred\n");
8a978234
LG		 1621 return 0;
1622 }
1623
1624 ret = snd_soc_dapm_new_widgets(card);
1625 if (ret < 0)
1626 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1627 ret);
1628
1629 return 0;
1630}
1631
ff922622
AS		 1632static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream,
1633 struct snd_soc_tplg_stream_caps *caps)
b6b6e4d6 1634{
ff922622 1635 stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL);
abc3caac
AS		 1636 if (!stream->stream_name)
1637 return -ENOMEM;
1638
5aebe7c7
PLB		 1639 stream->channels_min = le32_to_cpu(caps->channels_min);
1640 stream->channels_max = le32_to_cpu(caps->channels_max);
1641 stream->rates = le32_to_cpu(caps->rates);
1642 stream->rate_min = le32_to_cpu(caps->rate_min);
1643 stream->rate_max = le32_to_cpu(caps->rate_max);
1644 stream->formats = le64_to_cpu(caps->formats);
1645 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1646
1647 return 0;
b6b6e4d6
ML		 1648}
1649
0038be9a
ML		 1650static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1651 unsigned int flag_mask, unsigned int flags)
1652{
1653 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
f14654dd 1654 dai_drv->symmetric_rate =
47108a61 1655 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
0038be9a
ML		 1656
1657 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1658 dai_drv->symmetric_channels =
47108a61 1659 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ?
0038be9a
ML		 1660 1 : 0;
1661
1662 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1663 dai_drv->symmetric_sample_bits =
47108a61 1664 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
0038be9a
ML		 1665 1 : 0;
1666}
1667
64527e8a
ML		 1668static int soc_tplg_dai_create(struct soc_tplg *tplg,
1669 struct snd_soc_tplg_pcm *pcm)
1670{
1671 struct snd_soc_dai_driver *dai_drv;
1672 struct snd_soc_pcm_stream *stream;
1673 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1674 struct snd_soc_dai *dai;
1675 struct snd_soc_dapm_context *dapm =
1676 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1677 int ret;
1678
ff922622 1679 dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
64527e8a
ML		 1680 if (dai_drv == NULL)
1681 return -ENOMEM;
1682
abc3caac 1683 if (strlen(pcm->dai_name)) {
ff922622 1684 dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1685 if (!dai_drv->name) {
1686 ret = -ENOMEM;
1687 goto err;
1688 }
1689 }
5aebe7c7 1690 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1691
1692 if (pcm->playback) {
1693 stream = &dai_drv->playback;
1694 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 1695 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1696 if (ret < 0)
1697 goto err;
64527e8a
ML		 1698 }
1699
1700 if (pcm->capture) {
1701 stream = &dai_drv->capture;
1702 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 1703 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1704 if (ret < 0)
1705 goto err;
64527e8a
ML		 1706 }
1707
5db6aab6
LG		 1708 if (pcm->compress)
1709 dai_drv->compress_new = snd_soc_new_compress;
1710
64527e8a 1711 /* pass control to component driver for optional further init */
c60b613a 1712 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a 1713 if (ret < 0) {
e59db12b 1714 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 1715 goto err;
64527e8a
ML		 1716 }
1717
1718 dai_drv->dobj.index = tplg->index;
1719 dai_drv->dobj.ops = tplg->ops;
1720 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1721 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1722
1723 /* register the DAI to the component */
fc4cb1e1 1724 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
e443c205
KM		 1725 if (!dai)
1726 return -ENOMEM;
1727
1728 /* Create the DAI widgets here */
1729 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1730 if (ret != 0) {
1731 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
fc4cb1e1 1732 snd_soc_unregister_dai(dai);
e443c205
KM		 1733 return ret;
1734 }
1735
abc3caac
AS		 1736 return 0;
1737
1738err:
e443c205 1739 return ret;
64527e8a
ML		 1740}
1741
717a8e72
ML		 1742static void set_link_flags(struct snd_soc_dai_link *link,
1743 unsigned int flag_mask, unsigned int flags)
1744{
1745 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
f14654dd 1746 link->symmetric_rate =
47108a61 1747 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
717a8e72
ML		 1748
1749 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1750 link->symmetric_channels =
47108a61 1751 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ?
717a8e72
ML		 1752 1 : 0;
1753
1754 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1755 link->symmetric_sample_bits =
47108a61 1756 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
717a8e72 1757 1 : 0;
6ff67cca
ML		 1758
1759 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1760 link->ignore_suspend =
47108a61
PLB		 1761 (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ?
1762 1 : 0;
717a8e72
ML		 1763}
1764
67d1c21e 1765/* create the FE DAI link */
ab4bc5ee 1766static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1767 struct snd_soc_tplg_pcm *pcm)
1768{
1769 struct snd_soc_dai_link *link;
23b946ce 1770 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1771 int ret;
1772
3e6de894 1773 /* link + cpu + codec + platform */
ff922622 1774 link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1775 if (link == NULL)
1776 return -ENOMEM;
1777
23b946ce
KM		 1778 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1779
1780 link->cpus = &dlc[0];
1781 link->codecs = &dlc[1];
3e6de894 1782 link->platforms = &dlc[2];
23b946ce
KM		 1783
1784 link->num_cpus = 1;
1785 link->num_codecs = 1;
3e6de894 1786 link->num_platforms = 1;
23b946ce 1787
8ce1cbd6
JK		 1788 link->dobj.index = tplg->index;
1789 link->dobj.ops = tplg->ops;
1790 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1791
8f27c4ab 1792 if (strlen(pcm->pcm_name)) {
ff922622
AS		 1793 link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
1794 link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1795 if (!link->name || !link->stream_name) {
1796 ret = -ENOMEM;
1797 goto err;
1798 }
8f27c4ab 1799 }
5aebe7c7 1800 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1801
abc3caac 1802 if (strlen(pcm->dai_name)) {
ff922622 1803 link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1804 if (!link->cpus->dai_name) {
1805 ret = -ENOMEM;
1806 goto err;
1807 }
1808 }
8f27c4ab 1809
23b946ce
KM		 1810 link->codecs->name = "snd-soc-dummy";
1811 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1812
3e6de894
PLB		 1813 link->platforms->name = "snd-soc-dummy";
1814
67d1c21e
GS		 1815 /* enable DPCM */
1816 link->dynamic = 1;
5aebe7c7
PLB		 1817 link->dpcm_playback = le32_to_cpu(pcm->playback);
1818 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1819 if (pcm->flag_mask)
5aebe7c7
PLB		 1820 set_link_flags(link,
1821 le32_to_cpu(pcm->flag_mask),
1822 le32_to_cpu(pcm->flags));
67d1c21e 1823
acfc7d46 1824 /* pass control to component driver for optional further init */
c60b613a 1825 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46 1826 if (ret < 0) {
e59db12b 1827 dev_err(tplg->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1828 goto err;
1829 }
1830
2acf6ce2 1831 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036 1832 if (ret < 0) {
e59db12b 1833 dev_err(tplg->dev, "ASoC: adding FE link failed\n");
76d27036 1834 goto err;
acfc7d46
ML		 1835 }
1836
acfc7d46
ML		 1837 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1838
acfc7d46 1839 return 0;
76d27036 1840err:
76d27036 1841 return ret;
acfc7d46
ML		 1842}
1843
1844/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1845static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1846 struct snd_soc_tplg_pcm *pcm)
1847{
acfc7d46
ML		 1848 int ret;
1849
1850 ret = soc_tplg_dai_create(tplg, pcm);
1851 if (ret < 0)
1852 return ret;
1853
ab4bc5ee 1854 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1855}
1856
55726dc9
ML		 1857/* copy stream caps from the old version 4 of source */
1858static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1859 struct snd_soc_tplg_stream_caps_v4 *src)
1860{
5aebe7c7 1861 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 1862 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1863 dest->formats = src->formats;
1864 dest->rates = src->rates;
1865 dest->rate_min = src->rate_min;
1866 dest->rate_max = src->rate_max;
1867 dest->channels_min = src->channels_min;
1868 dest->channels_max = src->channels_max;
1869 dest->periods_min = src->periods_min;
1870 dest->periods_max = src->periods_max;
1871 dest->period_size_min = src->period_size_min;
1872 dest->period_size_max = src->period_size_max;
1873 dest->buffer_size_min = src->buffer_size_min;
1874 dest->buffer_size_max = src->buffer_size_max;
1875}
1876
1877/**
1878 * pcm_new_ver - Create the new version of PCM from the old version.
1879 * @tplg: topology context
1880 * @src: older version of pcm as a source
1881 * @pcm: latest version of pcm created from the source
1882 *
ce1f2571 1883 * Support from version 4. User should free the returned pcm manually.
55726dc9
ML		 1884 */
1885static int pcm_new_ver(struct soc_tplg *tplg,
1886 struct snd_soc_tplg_pcm *src,
1887 struct snd_soc_tplg_pcm **pcm)
1888{
1889 struct snd_soc_tplg_pcm *dest;
1890 struct snd_soc_tplg_pcm_v4 *src_v4;
1891 int i;
1892
1893 *pcm = NULL;
1894
5aebe7c7 1895 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 1896 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1897 return -EINVAL;
1898 }
1899
1900 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1901 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1902 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1903 if (!dest)
1904 return -ENOMEM;
1905
5aebe7c7 1906 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 1907 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1908 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1909 dest->pcm_id = src_v4->pcm_id;
1910 dest->dai_id = src_v4->dai_id;
1911 dest->playback = src_v4->playback;
1912 dest->capture = src_v4->capture;
1913 dest->compress = src_v4->compress;
1914 dest->num_streams = src_v4->num_streams;
5aebe7c7 1915 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 1916 memcpy(&dest->stream[i], &src_v4->stream[i],
1917 sizeof(struct snd_soc_tplg_stream));
1918
1919 for (i = 0; i < 2; i++)
1920 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1921
1922 *pcm = dest;
1923 return 0;
1924}
1925
64527e8a 1926static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1927 struct snd_soc_tplg_hdr *hdr)
1928{
55726dc9 1929 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 1930 int count;
1931 int size;
fd340455 1932 int i;
55726dc9 1933 bool abi_match;
a3039aef 1934 int ret;
8a978234 1935
5aebe7c7
PLB		 1936 count = le32_to_cpu(hdr->count);
1937
55726dc9
ML		 1938 /* check the element size and count */
1939 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 1940 size = le32_to_cpu(pcm->size);
1941 if (size > sizeof(struct snd_soc_tplg_pcm)
1942 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 1943 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 1944 size);
55726dc9
ML		 1945 return -EINVAL;
1946 }
1947
8a978234 1948 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 1949 size, count,
1950 le32_to_cpu(hdr->payload_size),
1951 "PCM DAI")) {
8a978234
LG		 1952 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1953 count);
1954 return -EINVAL;
1955 }
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
2229 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2230 size, count,
2231 le32_to_cpu(hdr->payload_size),
2232 "physical link config")) {
593d9e52
ML		 2233 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2234 count);
2235 return -EINVAL;
2236 }
2237
2238 /* config physical DAI links */
2239 for (i = 0; i < count; i++) {
2240 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2241 size = le32_to_cpu(link->size);
2242 if (size == sizeof(*link)) {
593d9e52
ML		 2243 abi_match = true;
2244 _link = link;
2245 } else {
2246 abi_match = false;
2247 ret = link_new_ver(tplg, link, &_link);
2248 if (ret < 0)
2249 return ret;
2250 }
2251
2252 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2253 if (ret < 0) {
2254 if (!abi_match)
2255 kfree(_link);
593d9e52 2256 return ret;
2b2d5c4d 2257 }
593d9e52
ML		 2258
2259 /* offset by version-specific struct size and
2260 * real priv data size
2261 */
5aebe7c7 2262 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2263
2264 if (!abi_match)
2265 kfree(_link); /* free the duplicated one */
2266 }
2267
2268 return 0;
2269}
2270
9aa3f034
ML		 2271/**
2272 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2273 * @tplg: topology context
9aa3f034 2274 * @d: physical DAI configs.
0038be9a 2275 *
9aa3f034
ML		 2276 * The physical dai should already be registered by the platform driver.
2277 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2278 */
9aa3f034
ML		 2279static int soc_tplg_dai_config(struct soc_tplg *tplg,
2280 struct snd_soc_tplg_dai *d)
0038be9a 2281{
5aebe7c7 2282 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2283 struct snd_soc_dai *dai;
2284 struct snd_soc_dai_driver *dai_drv;
2285 struct snd_soc_pcm_stream *stream;
2286 struct snd_soc_tplg_stream_caps *caps;
2287 int ret;
2288
5aebe7c7
PLB		 2289 memset(&dai_component, 0, sizeof(dai_component));
2290
9aa3f034 2291 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2292 dai = snd_soc_find_dai(&dai_component);
2293 if (!dai) {
9aa3f034
ML		 2294 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2295 d->dai_name);
0038be9a
ML		 2296 return -EINVAL;
2297 }
2298
5aebe7c7 2299 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2300 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2301 d->dai_name);
0038be9a
ML		 2302 return -EINVAL;
2303 }
2304
2305 dai_drv = dai->driver;
2306 if (!dai_drv)
2307 return -EINVAL;
2308
9aa3f034 2309 if (d->playback) {
0038be9a 2310 stream = &dai_drv->playback;
9aa3f034 2311 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 2312 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2313 if (ret < 0)
2314 goto err;
0038be9a
ML		 2315 }
2316
9aa3f034 2317 if (d->capture) {
0038be9a 2318 stream = &dai_drv->capture;
9aa3f034 2319 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 2320 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2321 if (ret < 0)
2322 goto err;
0038be9a
ML		 2323 }
2324
9aa3f034 2325 if (d->flag_mask)
5aebe7c7
PLB		 2326 set_dai_flags(dai_drv,
2327 le32_to_cpu(d->flag_mask),
2328 le32_to_cpu(d->flags));
0038be9a
ML		 2329
2330 /* pass control to component driver for optional further init */
c60b613a 2331 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a 2332 if (ret < 0) {
e59db12b 2333 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 2334 goto err;
0038be9a
ML		 2335 }
2336
2337 return 0;
abc3caac
AS		 2338
2339err:
abc3caac 2340 return ret;
0038be9a
ML		 2341}
2342
9aa3f034
ML		 2343/* load physical DAI elements */
2344static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2345 struct snd_soc_tplg_hdr *hdr)
0038be9a 2346{
5aebe7c7 2347 int count;
65a4cfdd 2348 int i;
0038be9a 2349
5aebe7c7
PLB		 2350 count = le32_to_cpu(hdr->count);
2351
0038be9a
ML		 2352 /* config the existing BE DAIs */
2353 for (i = 0; i < count; i++) {
65a4cfdd
KM		 2354 struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos;
2355 int ret;
2356
5aebe7c7 2357 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2358 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2359 return -EINVAL;
2360 }
2361
dd8e871d
AS		 2362 ret = soc_tplg_dai_config(tplg, dai);
2363 if (ret < 0) {
2364 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2365 return ret;
2366 }
2367
5aebe7c7 2368 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2369 }
2370
2371 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2372 return 0;
2373}
2374
583958fa
ML		 2375/**
2376 * manifest_new_ver - Create a new version of manifest from the old version
2377 * of source.
8abab35f 2378 * @tplg: topology context
583958fa
ML		 2379 * @src: old version of manifest as a source
2380 * @manifest: latest version of manifest created from the source
2381 *
ce1f2571 2382 * Support from version 4. Users need free the returned manifest manually.
583958fa
ML		 2383 */
2384static int manifest_new_ver(struct soc_tplg *tplg,
2385 struct snd_soc_tplg_manifest *src,
2386 struct snd_soc_tplg_manifest **manifest)
2387{
2388 struct snd_soc_tplg_manifest *dest;
2389 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2390 int size;
583958fa
ML		 2391
2392 *manifest = NULL;
2393
5aebe7c7
PLB		 2394 size = le32_to_cpu(src->size);
2395 if (size != sizeof(*src_v4)) {
ac9391da 2396 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2397 size);
2398 if (size)
ac9391da 2399 return -EINVAL;
5aebe7c7 2400 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2401 }
2402
2403 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2404
2405 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2406 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2407 GFP_KERNEL);
583958fa
ML		 2408 if (!dest)
2409 return -ENOMEM;
2410
5aebe7c7 2411 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2412 dest->control_elems = src_v4->control_elems;
2413 dest->widget_elems = src_v4->widget_elems;
2414 dest->graph_elems = src_v4->graph_elems;
2415 dest->pcm_elems = src_v4->pcm_elems;
2416 dest->dai_link_elems = src_v4->dai_link_elems;
2417 dest->priv.size = src_v4->priv.size;
2418 if (dest->priv.size)
2419 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2420 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2421
2422 *manifest = dest;
2423 return 0;
2424}
0038be9a 2425
8a978234 2426static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2427 struct snd_soc_tplg_hdr *hdr)
8a978234 2428{
583958fa
ML		 2429 struct snd_soc_tplg_manifest *manifest, *_manifest;
2430 bool abi_match;
242c46c0 2431 int ret = 0;
8a978234 2432
8a978234 2433 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2434
583958fa 2435 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2436 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2437 abi_match = true;
2438 _manifest = manifest;
2439 } else {
2440 abi_match = false;
242c46c0
DT		 2441 ret = manifest_new_ver(tplg, manifest, &_manifest);
2442 if (ret < 0)
2443 return ret;
583958fa 2444 }
8a978234 2445
583958fa 2446 /* pass control to component driver for optional further init */
c42464a4 2447 if (tplg->ops && tplg->ops->manifest)
242c46c0 2448 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2449
2450 if (!abi_match) /* free the duplicated one */
2451 kfree(_manifest);
8a978234 2452
242c46c0 2453 return ret;
8a978234
LG		 2454}
2455
2456/* validate header magic, size and type */
2457static int soc_valid_header(struct soc_tplg *tplg,
2458 struct snd_soc_tplg_hdr *hdr)
2459{
2460 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2461 return 0;
2462
5aebe7c7 2463 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2464 dev_err(tplg->dev,
2465 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2466 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2467 tplg->fw->size);
2468 return -EINVAL;
2469 }
2470
8a978234 2471 /* big endian firmware objects not supported atm */
26d87881 2472 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2473 dev_err(tplg->dev,
2474 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2475 tplg->pass, hdr->magic,
2476 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2477 return -EINVAL;
2478 }
2479
5aebe7c7 2480 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2481 dev_err(tplg->dev,
2482 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2483 tplg->pass, hdr->magic,
2484 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2485 return -EINVAL;
2486 }
2487
288b8da7 2488 /* Support ABI from version 4 */
5aebe7c7
PLB		 2489 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2490 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2491 dev_err(tplg->dev,
2492 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2493 tplg->pass, hdr->abi,
2494 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2495 tplg->fw->size);
2496 return -EINVAL;
2497 }
2498
2499 if (hdr->payload_size == 0) {
2500 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2501 soc_tplg_get_hdr_offset(tplg));
2502 return -EINVAL;
2503 }
2504
8a978234
LG		 2505 return 1;
2506}
2507
2508/* check header type and call appropriate handler */
2509static int soc_tplg_load_header(struct soc_tplg *tplg,
2510 struct snd_soc_tplg_hdr *hdr)
2511{
82ed7418
KJ		 2512 int (*elem_load)(struct soc_tplg *tplg,
2513 struct snd_soc_tplg_hdr *hdr);
2514 unsigned int hdr_pass;
2515
8a978234
LG		 2516 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2517
5aebe7c7 2518 tplg->index = le32_to_cpu(hdr->index);
8a978234 2519
5aebe7c7 2520 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2521 case SND_SOC_TPLG_TYPE_MIXER:
2522 case SND_SOC_TPLG_TYPE_ENUM:
2523 case SND_SOC_TPLG_TYPE_BYTES:
82ed7418
KJ		 2524 hdr_pass = SOC_TPLG_PASS_MIXER;
2525 elem_load = soc_tplg_kcontrol_elems_load;
2526 break;
8a978234 2527 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2528 hdr_pass = SOC_TPLG_PASS_GRAPH;
2529 elem_load = soc_tplg_dapm_graph_elems_load;
2530 break;
8a978234 2531 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2532 hdr_pass = SOC_TPLG_PASS_WIDGET;
2533 elem_load = soc_tplg_dapm_widget_elems_load;
2534 break;
8a978234 2535 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2536 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2537 elem_load = soc_tplg_pcm_elems_load;
2538 break;
3fbf7935 2539 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2540 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2541 elem_load = soc_tplg_dai_elems_load;
2542 break;
593d9e52
ML		 2543 case SND_SOC_TPLG_TYPE_DAI_LINK:
2544 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2545 /* physical link configurations */
82ed7418
KJ		 2546 hdr_pass = SOC_TPLG_PASS_LINK;
2547 elem_load = soc_tplg_link_elems_load;
2548 break;
8a978234 2549 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2550 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2551 elem_load = soc_tplg_manifest_load;
2552 break;
8a978234
LG		 2553 default:
2554 /* bespoke vendor data object */
82ed7418
KJ		 2555 hdr_pass = SOC_TPLG_PASS_VENDOR;
2556 elem_load = soc_tplg_vendor_load;
2557 break;
2558 }
2559
2560 if (tplg->pass == hdr_pass) {
2561 dev_dbg(tplg->dev,
2562 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2563 hdr->payload_size, hdr->type, hdr->version,
2564 hdr->vendor_type, tplg->pass);
2565 return elem_load(tplg, hdr);
8a978234
LG		 2566 }
2567
2568 return 0;
2569}
2570
2571/* process the topology file headers */
2572static int soc_tplg_process_headers(struct soc_tplg *tplg)
2573{
8a978234
LG		 2574 int ret;
2575
2576 tplg->pass = SOC_TPLG_PASS_START;
2577
2578 /* process the header types from start to end */
2579 while (tplg->pass <= SOC_TPLG_PASS_END) {
f79e4b2a 2580 struct snd_soc_tplg_hdr *hdr;
8a978234
LG		 2581
2582 tplg->hdr_pos = tplg->fw->data;
2583 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2584
2585 while (!soc_tplg_is_eof(tplg)) {
2586
2587 /* make sure header is valid before loading */
2588 ret = soc_valid_header(tplg, hdr);
8bf9475f
PLB		 2589 if (ret < 0) {
2590 dev_err(tplg->dev,
2591 "ASoC: topology: invalid header: %d\n", ret);
8a978234 2592 return ret;
8bf9475f 2593 } else if (ret == 0) {
8a978234 2594 break;
8bf9475f 2595 }
8a978234
LG		 2596
2597 /* load the header object */
2598 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f
PLB		 2599 if (ret < 0) {
2600 dev_err(tplg->dev,
2601 "ASoC: topology: could not load header: %d\n", ret);
8a978234 2602 return ret;
8bf9475f 2603 }
8a978234
LG		 2604
2605 /* goto next header */
5aebe7c7 2606 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2607 sizeof(struct snd_soc_tplg_hdr);
2608 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2609 }
2610
2611 /* next data type pass */
2612 tplg->pass++;
2613 }
2614
2615 /* signal DAPM we are complete */
2616 ret = soc_tplg_dapm_complete(tplg);
2617 if (ret < 0)
2618 dev_err(tplg->dev,
2619 "ASoC: failed to initialise DAPM from Firmware\n");
2620
2621 return ret;
2622}
2623
2624static int soc_tplg_load(struct soc_tplg *tplg)
2625{
2626 int ret;
2627
2628 ret = soc_tplg_process_headers(tplg);
2629 if (ret == 0)
2630 soc_tplg_complete(tplg);
2631
2632 return ret;
2633}
2634
2635/* load audio component topology from "firmware" file */
2636int snd_soc_tplg_component_load(struct snd_soc_component *comp,
a5b8f71c 2637 struct snd_soc_tplg_ops *ops, const struct firmware *fw)
8a978234
LG		 2638{
2639 struct soc_tplg tplg;
304017d3 2640 int ret;
8a978234 2641
d40ab86f
AS		 2642 /*
2643 * check if we have sane parameters:
2644 * comp - needs to exist to keep and reference data while parsing
2645 * comp->dev - used for resource management and prints
2646 * comp->card - used for setting card related parameters
2647 * fw - we need it, as it is the very thing we parse
2648 */
2649 if (!comp || !comp->dev || !comp->card || !fw)
c42464a4 2650 return -EINVAL;
8a978234
LG		 2651
2652 /* setup parsing context */
2653 memset(&tplg, 0, sizeof(tplg));
2654 tplg.fw = fw;
2655 tplg.dev = comp->dev;
2656 tplg.comp = comp;
9c88a983
AS		 2657 if (ops) {
2658 tplg.ops = ops;
2659 tplg.io_ops = ops->io_ops;
2660 tplg.io_ops_count = ops->io_ops_count;
2661 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2662 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2663 }
8a978234 2664
304017d3
B		 2665 ret = soc_tplg_load(&tplg);
2666 /* free the created components if fail to load topology */
2667 if (ret)
a5b8f71c 2668 snd_soc_tplg_component_remove(comp);
304017d3
B		 2669
2670 return ret;
8a978234
LG		 2671}
2672EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2673
8a978234 2674/* remove dynamic controls from the component driver */
a5b8f71c 2675int snd_soc_tplg_component_remove(struct snd_soc_component *comp)
8a978234
LG		 2676{
2677 struct snd_soc_dobj *dobj, *next_dobj;
2678 int pass = SOC_TPLG_PASS_END;
2679
2680 /* process the header types from end to start */
2681 while (pass >= SOC_TPLG_PASS_START) {
2682
2683 /* remove mixer controls */
2684 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2685 list) {
2686
8a978234
LG		 2687 switch (dobj->type) {
2688 case SND_SOC_DOBJ_MIXER:
2689 remove_mixer(comp, dobj, pass);
2690 break;
2691 case SND_SOC_DOBJ_ENUM:
2692 remove_enum(comp, dobj, pass);
2693 break;
2694 case SND_SOC_DOBJ_BYTES:
2695 remove_bytes(comp, dobj, pass);
2696 break;
7df04ea7
RS		 2697 case SND_SOC_DOBJ_GRAPH:
2698 remove_route(comp, dobj, pass);
2699 break;
8a978234
LG		 2700 case SND_SOC_DOBJ_WIDGET:
2701 remove_widget(comp, dobj, pass);
2702 break;
2703 case SND_SOC_DOBJ_PCM:
64527e8a 2704 remove_dai(comp, dobj, pass);
8a978234 2705 break;
acfc7d46
ML		 2706 case SND_SOC_DOBJ_DAI_LINK:
2707 remove_link(comp, dobj, pass);
2708 break;
adfebb51
B		 2709 case SND_SOC_DOBJ_BACKEND_LINK:
2710 /*
2711 * call link_unload ops if extra
2712 * deinitialization is needed.
2713 */
2714 remove_backend_link(comp, dobj, pass);
2715 break;
8a978234
LG		 2716 default:
2717 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2718 dobj->type);
2719 break;
2720 }
2721 }
2722 pass--;
2723 }
2724
2725 /* let caller know if FW can be freed when no objects are left */
2726 return !list_empty(&comp->dobj_list);
2727}
2728EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)