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ASoC: topology: Remove unnecessary forward declarations
[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
5e2cd47a 43#define SOC_TPLG_PASS_CONTROL 2
8a978234 44#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 45#define SOC_TPLG_PASS_PCM_DAI 4
46#define SOC_TPLG_PASS_GRAPH 5
6257d224
AS		 47#define SOC_TPLG_PASS_BE_DAI 6
48#define SOC_TPLG_PASS_LINK 7
8a978234
LG		 49
50#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 51#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 52
583958fa 53/* topology context */
8a978234
LG		 54struct soc_tplg {
55 const struct firmware *fw;
56
57 /* runtime FW parsing */
00ac8389 58 const u8 *pos; /* read position */
8a978234
LG		 59 const u8 *hdr_pos; /* header position */
60 unsigned int pass; /* pass number */
61
62 /* component caller */
63 struct device *dev;
64 struct snd_soc_component *comp;
65 u32 index; /* current block index */
8a978234 66
88a17d8f 67 /* vendor specific kcontrol operations */
8a978234
LG		 68 const struct snd_soc_tplg_kcontrol_ops *io_ops;
69 int io_ops_count;
70
1a3232d2
ML		 71 /* vendor specific bytes ext handlers, for TLV bytes controls */
72 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
73 int bytes_ext_ops_count;
74
8a978234
LG		 75 /* optional fw loading callbacks to component drivers */
76 struct snd_soc_tplg_ops *ops;
77};
78
8a978234
LG		 79/* check we dont overflow the data for this control chunk */
80static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
81 unsigned int count, size_t bytes, const char *elem_type)
82{
83 const u8 *end = tplg->pos + elem_size * count;
84
85 if (end > tplg->fw->data + tplg->fw->size) {
86 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
87 elem_type);
88 return -EINVAL;
89 }
90
91 /* check there is enough room in chunk for control.
92 extra bytes at the end of control are for vendor data here */
93 if (elem_size * count > bytes) {
94 dev_err(tplg->dev,
95 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
96 elem_type, count, elem_size, bytes);
97 return -EINVAL;
98 }
99
100 return 0;
101}
102
4fad3cc6 103static inline bool soc_tplg_is_eof(struct soc_tplg *tplg)
8a978234
LG		 104{
105 const u8 *end = tplg->hdr_pos;
106
107 if (end >= tplg->fw->data + tplg->fw->size)
4fad3cc6
AS		 108 return true;
109 return false;
8a978234
LG		 110}
111
112static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
113{
114 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
115}
116
117static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
118{
119 return (unsigned long)(tplg->pos - tplg->fw->data);
120}
121
122/* mapping of Kcontrol types and associated operations. */
123static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
124 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
125 snd_soc_put_volsw, snd_soc_info_volsw},
126 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
127 snd_soc_put_volsw_sx, NULL},
128 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
129 snd_soc_put_enum_double, snd_soc_info_enum_double},
130 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
131 snd_soc_put_enum_double, NULL},
132 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
133 snd_soc_bytes_put, snd_soc_bytes_info},
134 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
135 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
136 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
137 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
138 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
139 snd_soc_put_strobe, NULL},
140 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 141 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 142 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
143 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
144 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
145 snd_soc_dapm_put_enum_double, NULL},
146 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
147 snd_soc_dapm_put_enum_double, NULL},
148 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
149 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
150};
151
152struct soc_tplg_map {
153 int uid;
154 int kid;
155};
156
157/* mapping of widget types from UAPI IDs to kernel IDs */
158static const struct soc_tplg_map dapm_map[] = {
159 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
160 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
161 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
162 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
163 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
164 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
165 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
166 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
167 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
168 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
169 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
170 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
171 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
172 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
173 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
174 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 175 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
176 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
177 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
178 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
179 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
180 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
181 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
182 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 183};
184
8f9974d9 185static int tplg_chan_get_reg(struct soc_tplg *tplg,
8a978234
LG		 186 struct snd_soc_tplg_channel *chan, int map)
187{
188 int i;
189
190 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 191 if (le32_to_cpu(chan[i].id) == map)
192 return le32_to_cpu(chan[i].reg);
8a978234
LG		 193 }
194
195 return -EINVAL;
196}
197
8f9974d9 198static int tplg_chan_get_shift(struct soc_tplg *tplg,
8a978234
LG		 199 struct snd_soc_tplg_channel *chan, int map)
200{
201 int i;
202
203 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 204 if (le32_to_cpu(chan[i].id) == map)
205 return le32_to_cpu(chan[i].shift);
8a978234
LG		 206 }
207
208 return -EINVAL;
209}
210
211static int get_widget_id(int tplg_type)
212{
213 int i;
214
215 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
216 if (tplg_type == dapm_map[i].uid)
217 return dapm_map[i].kid;
218 }
219
220 return -EINVAL;
221}
222
8a978234
LG		 223static inline void soc_bind_err(struct soc_tplg *tplg,
224 struct snd_soc_tplg_ctl_hdr *hdr, int index)
225{
226 dev_err(tplg->dev,
227 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
228 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
229 soc_tplg_get_offset(tplg));
230}
231
232static inline void soc_control_err(struct soc_tplg *tplg,
233 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
234{
235 dev_err(tplg->dev,
34b31045 236 "ASoC: no complete control IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
8a978234
LG		 237 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
238 soc_tplg_get_offset(tplg));
239}
240
241/* pass vendor data to component driver for processing */
c2cbd0a7
KJ		 242static int soc_tplg_vendor_load(struct soc_tplg *tplg,
243 struct snd_soc_tplg_hdr *hdr)
8a978234
LG		 244{
245 int ret = 0;
246
c42464a4 247 if (tplg->ops && tplg->ops->vendor_load)
c60b613a 248 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 249 else {
250 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
251 hdr->vendor_type);
252 return -EINVAL;
253 }
254
255 if (ret < 0)
256 dev_err(tplg->dev,
257 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
258 soc_tplg_get_hdr_offset(tplg),
259 soc_tplg_get_hdr_offset(tplg),
260 hdr->type, hdr->vendor_type);
261 return ret;
262}
263
8a978234
LG		 264/* optionally pass new dynamic widget to component driver. This is mainly for
265 * external widgets where we can assign private data/ops */
266static int soc_tplg_widget_load(struct soc_tplg *tplg,
267 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
268{
c42464a4 269 if (tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 270 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
271 tplg_w);
8a978234
LG		 272
273 return 0;
274}
275
ebd259d3
LG		 276/* optionally pass new dynamic widget to component driver. This is mainly for
277 * external widgets where we can assign private data/ops */
278static int soc_tplg_widget_ready(struct soc_tplg *tplg,
279 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
280{
c42464a4 281 if (tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 282 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
283 tplg_w);
ebd259d3
LG		 284
285 return 0;
286}
287
183b8021 288/* pass DAI configurations to component driver for extra initialization */
64527e8a 289static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 290 struct snd_soc_dai_driver *dai_drv,
291 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 292{
c42464a4 293 if (tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 294 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
295 pcm, dai);
8a978234
LG		 296
297 return 0;
298}
299
183b8021 300/* pass link configurations to component driver for extra initialization */
acfc7d46 301static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 302 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46 303{
c42464a4 304 if (tplg->ops && tplg->ops->link_load)
c60b613a 305 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 306
307 return 0;
308}
309
8a978234 310/* tell the component driver that all firmware has been loaded in this request */
415717e1 311static int soc_tplg_complete(struct soc_tplg *tplg)
8a978234 312{
c42464a4 313 if (tplg->ops && tplg->ops->complete)
415717e1
RS		 314 return tplg->ops->complete(tplg->comp);
315
316 return 0;
8a978234
LG		 317}
318
319/* add a dynamic kcontrol */
320static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
321 const struct snd_kcontrol_new *control_new, const char *prefix,
322 void *data, struct snd_kcontrol **kcontrol)
323{
324 int err;
325
326 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
327 if (*kcontrol == NULL) {
328 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
329 control_new->name);
330 return -ENOMEM;
331 }
332
333 err = snd_ctl_add(card, *kcontrol);
334 if (err < 0) {
335 dev_err(dev, "ASoC: Failed to add %s: %d\n",
336 control_new->name, err);
337 return err;
338 }
339
340 return 0;
341}
342
343/* add a dynamic kcontrol for component driver */
344static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
345 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
346{
347 struct snd_soc_component *comp = tplg->comp;
348
349 return soc_tplg_add_dcontrol(comp->card->snd_card,
2a710bb3 350 tplg->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 351}
352
353/* remove a mixer kcontrol */
2abfd4bd 354static void soc_tplg_remove_mixer(struct snd_soc_component *comp,
8a978234
LG		 355 struct snd_soc_dobj *dobj, int pass)
356{
357 struct snd_card *card = comp->card->snd_card;
8a978234 358
5e2cd47a 359 if (pass != SOC_TPLG_PASS_CONTROL)
8a978234
LG		 360 return;
361
362 if (dobj->ops && dobj->ops->control_unload)
363 dobj->ops->control_unload(comp, dobj);
364
33ae6ae2
AS		 365 snd_ctl_remove(card, dobj->control.kcontrol);
366 list_del(&dobj->list);
8a978234
LG		 367}
368
369/* remove an enum kcontrol */
2abfd4bd 370static void soc_tplg_remove_enum(struct snd_soc_component *comp,
8a978234
LG		 371 struct snd_soc_dobj *dobj, int pass)
372{
373 struct snd_card *card = comp->card->snd_card;
8a978234 374
5e2cd47a 375 if (pass != SOC_TPLG_PASS_CONTROL)
8a978234
LG		 376 return;
377
378 if (dobj->ops && dobj->ops->control_unload)
379 dobj->ops->control_unload(comp, dobj);
380
33ae6ae2
AS		 381 snd_ctl_remove(card, dobj->control.kcontrol);
382 list_del(&dobj->list);
8a978234
LG		 383}
384
385/* remove a byte kcontrol */
2abfd4bd 386static void soc_tplg_remove_bytes(struct snd_soc_component *comp,
8a978234
LG		 387 struct snd_soc_dobj *dobj, int pass)
388{
389 struct snd_card *card = comp->card->snd_card;
8a978234 390
5e2cd47a 391 if (pass != SOC_TPLG_PASS_CONTROL)
8a978234
LG		 392 return;
393
394 if (dobj->ops && dobj->ops->control_unload)
395 dobj->ops->control_unload(comp, dobj);
396
33ae6ae2
AS		 397 snd_ctl_remove(card, dobj->control.kcontrol);
398 list_del(&dobj->list);
8a978234
LG		 399}
400
7df04ea7 401/* remove a route */
2abfd4bd 402static void soc_tplg_remove_route(struct snd_soc_component *comp,
7df04ea7
RS		 403 struct snd_soc_dobj *dobj, int pass)
404{
7df04ea7
RS		 405 if (pass != SOC_TPLG_PASS_GRAPH)
406 return;
407
408 if (dobj->ops && dobj->ops->dapm_route_unload)
409 dobj->ops->dapm_route_unload(comp, dobj);
410
411 list_del(&dobj->list);
7df04ea7
RS		 412}
413
8a978234 414/* remove a widget and it's kcontrols - routes must be removed first */
2abfd4bd 415static void soc_tplg_remove_widget(struct snd_soc_component *comp,
8a978234
LG		 416 struct snd_soc_dobj *dobj, int pass)
417{
418 struct snd_card *card = comp->card->snd_card;
419 struct snd_soc_dapm_widget *w =
420 container_of(dobj, struct snd_soc_dapm_widget, dobj);
421 int i;
422
423 if (pass != SOC_TPLG_PASS_WIDGET)
424 return;
425
426 if (dobj->ops && dobj->ops->widget_unload)
427 dobj->ops->widget_unload(comp, dobj);
428
05bdcf12
LG		 429 if (!w->kcontrols)
430 goto free_news;
431
8d456654
AS		 432 for (i = 0; w->kcontrols && i < w->num_kcontrols; i++)
433 snd_ctl_remove(card, w->kcontrols[i]);
05bdcf12
LG		 434
435free_news:
05bdcf12 436
a46e8393
AS		 437 list_del(&dobj->list);
438
8a978234
LG		 439 /* widget w is freed by soc-dapm.c */
440}
441
64527e8a 442/* remove DAI configurations */
2abfd4bd 443static void soc_tplg_remove_dai(struct snd_soc_component *comp,
8a978234
LG		 444 struct snd_soc_dobj *dobj, int pass)
445{
64527e8a
ML		 446 struct snd_soc_dai_driver *dai_drv =
447 container_of(dobj, struct snd_soc_dai_driver, dobj);
fc4cb1e1 448 struct snd_soc_dai *dai, *_dai;
64527e8a 449
8a978234
LG		 450 if (pass != SOC_TPLG_PASS_PCM_DAI)
451 return;
452
64527e8a
ML		 453 if (dobj->ops && dobj->ops->dai_unload)
454 dobj->ops->dai_unload(comp, dobj);
8a978234 455
fc4cb1e1 456 for_each_component_dais_safe(comp, dai, _dai)
52abe6cc 457 if (dai->driver == dai_drv)
fc4cb1e1 458 snd_soc_unregister_dai(dai);
52abe6cc 459
8a978234 460 list_del(&dobj->list);
8a978234
LG		 461}
462
acfc7d46 463/* remove link configurations */
2abfd4bd 464static void soc_tplg_remove_link(struct snd_soc_component *comp,
acfc7d46
ML		 465 struct snd_soc_dobj *dobj, int pass)
466{
467 struct snd_soc_dai_link *link =
468 container_of(dobj, struct snd_soc_dai_link, dobj);
469
470 if (pass != SOC_TPLG_PASS_PCM_DAI)
471 return;
472
473 if (dobj->ops && dobj->ops->link_unload)
474 dobj->ops->link_unload(comp, dobj);
475
dd836ddf 476 list_del(&dobj->list);
50cd9b53
KM		 477 snd_soc_remove_pcm_runtime(comp->card,
478 snd_soc_get_pcm_runtime(comp->card, link));
acfc7d46
ML		 479}
480
adfebb51
B		 481/* unload dai link */
482static void remove_backend_link(struct snd_soc_component *comp,
483 struct snd_soc_dobj *dobj, int pass)
484{
485 if (pass != SOC_TPLG_PASS_LINK)
486 return;
487
488 if (dobj->ops && dobj->ops->link_unload)
489 dobj->ops->link_unload(comp, dobj);
490
491 /*
2abfd4bd 492 * We don't free the link here as what soc_tplg_remove_link() do since BE
adfebb51
B		 493 * links are not allocated by topology.
494 * We however need to reset the dobj type to its initial values
495 */
496 dobj->type = SND_SOC_DOBJ_NONE;
497 list_del(&dobj->list);
498}
499
8a978234
LG		 500/* bind a kcontrol to it's IO handlers */
501static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
502 struct snd_kcontrol_new *k,
2b5cdb91 503 const struct soc_tplg *tplg)
8a978234 504{
2b5cdb91 505 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 506 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 507 int num_ops, i;
8a978234 508
5aebe7c7 509 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2 510 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
feb00b73
AS		 511 && (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ
512 || k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
1a3232d2
ML		 513 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
514 struct soc_bytes_ext *sbe;
515 struct snd_soc_tplg_bytes_control *be;
516
517 sbe = (struct soc_bytes_ext *)k->private_value;
518 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
519
520 /* TLV bytes controls need standard kcontrol info handler,
521 * TLV callback and extended put/get handlers.
522 */
f4be978b 523 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 524 k->tlv.c = snd_soc_bytes_tlv_callback;
525
6788fc1a
PLB		 526 /*
527 * When a topology-based implementation abuses the
528 * control interface and uses bytes_ext controls of
529 * more than 512 bytes, we need to disable the size
530 * checks, otherwise accesses to such controls will
531 * return an -EINVAL error and prevent the card from
532 * being configured.
533 */
2c7463d0 534 if (sbe->max > 512)
6788fc1a
PLB		 535 k->access |= SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK;
536
1a3232d2
ML		 537 ext_ops = tplg->bytes_ext_ops;
538 num_ops = tplg->bytes_ext_ops_count;
539 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 540 if (!sbe->put &&
541 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 542 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 543 if (!sbe->get &&
544 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 545 sbe->get = ext_ops[i].get;
546 }
547
819b9f60 548 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get)
1a3232d2 549 return -EINVAL;
819b9f60
D		 550 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put)
551 return -EINVAL;
552 return 0;
1a3232d2 553 }
8a978234 554
88a17d8f 555 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 556 ops = tplg->io_ops;
557 num_ops = tplg->io_ops_count;
8a978234
LG		 558 for (i = 0; i < num_ops; i++) {
559
72bbeda0 560 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 561 k->put = ops[i].put;
72bbeda0 562 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 563 k->get = ops[i].get;
72bbeda0 564 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 565 k->info = ops[i].info;
566 }
567
88a17d8f 568 /* vendor specific handlers found ? */
8a978234
LG		 569 if (k->put && k->get && k->info)
570 return 0;
571
88a17d8f 572 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 573 ops = io_ops;
574 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 575 for (i = 0; i < num_ops; i++) {
8a978234 576
72bbeda0 577 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 578 k->put = ops[i].put;
72bbeda0 579 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 580 k->get = ops[i].get;
72bbeda0 581 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 582 k->info = ops[i].info;
8a978234
LG		 583 }
584
88a17d8f 585 /* standard handlers found ? */
8a978234
LG		 586 if (k->put && k->get && k->info)
587 return 0;
588
589 /* nothing to bind */
590 return -EINVAL;
591}
592
593/* bind a widgets to it's evnt handlers */
594int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
595 const struct snd_soc_tplg_widget_events *events,
596 int num_events, u16 event_type)
597{
598 int i;
599
600 w->event = NULL;
601
602 for (i = 0; i < num_events; i++) {
603 if (event_type == events[i].type) {
604
605 /* found - so assign event */
606 w->event = events[i].event_handler;
607 return 0;
608 }
609 }
610
611 /* not found */
612 return -EINVAL;
613}
614EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
615
616/* optionally pass new dynamic kcontrol to component driver. */
430791dd 617static int soc_tplg_control_load(struct soc_tplg *tplg,
8a978234
LG		 618 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
619{
c42464a4 620 if (tplg->ops && tplg->ops->control_load)
c60b613a
LG		 621 return tplg->ops->control_load(tplg->comp, tplg->index, k,
622 hdr);
8a978234
LG		 623
624 return 0;
625}
626
8a978234 627
28a87eeb
ML		 628static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
629 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
630{
631 unsigned int item_len = 2 * sizeof(unsigned int);
632 unsigned int *p;
8a978234 633
ff922622 634 p = devm_kzalloc(tplg->dev, item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
28a87eeb 635 if (!p)
8a978234
LG		 636 return -ENOMEM;
637
28a87eeb
ML		 638 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
639 p[1] = item_len;
5aebe7c7
PLB		 640 p[2] = le32_to_cpu(scale->min);
641 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
642 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 643
644 kc->tlv.p = (void *)p;
645 return 0;
646}
647
648static int soc_tplg_create_tlv(struct soc_tplg *tplg,
649 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
650{
651 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 652 u32 access = le32_to_cpu(tc->access);
28a87eeb 653
5aebe7c7 654 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 655 return 0;
8a978234 656
5aebe7c7 657 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 658 tplg_tlv = &tc->tlv;
5aebe7c7 659 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 660 case SNDRV_CTL_TLVT_DB_SCALE:
661 return soc_tplg_create_tlv_db_scale(tplg, kc,
662 &tplg_tlv->scale);
663
664 /* TODO: add support for other TLV types */
665 default:
666 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
667 tplg_tlv->type);
668 return -EINVAL;
669 }
670 }
8a978234
LG		 671
672 return 0;
673}
674
0db627c4 675static int soc_tplg_dbytes_create(struct soc_tplg *tplg, size_t size)
8a978234
LG		 676{
677 struct snd_soc_tplg_bytes_control *be;
678 struct soc_bytes_ext *sbe;
679 struct snd_kcontrol_new kc;
0db627c4 680 int ret = 0;
8a978234
LG		 681
682 if (soc_tplg_check_elem_count(tplg,
3ce57f22 683 sizeof(struct snd_soc_tplg_bytes_control),
0db627c4 684 1, size, "mixer bytes"))
8a978234 685 return -EINVAL;
8a978234 686
0db627c4 687 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 688
0db627c4
AS		 689 /* validate kcontrol */
690 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
691 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
692 return -EINVAL;
8a978234 693
0db627c4
AS		 694 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
695 if (sbe == NULL)
696 return -ENOMEM;
8a978234 697
0db627c4
AS		 698 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
699 le32_to_cpu(be->priv.size));
700
701 dev_dbg(tplg->dev,
702 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
703 be->hdr.name, be->hdr.access);
704
705 memset(&kc, 0, sizeof(kc));
706 kc.name = be->hdr.name;
707 kc.private_value = (long)sbe;
708 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
709 kc.access = le32_to_cpu(be->hdr.access);
710
711 sbe->max = le32_to_cpu(be->max);
712 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
713 sbe->dobj.ops = tplg->ops;
714 INIT_LIST_HEAD(&sbe->dobj.list);
715
716 /* map io handlers */
717 ret = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
718 if (ret) {
719 soc_control_err(tplg, &be->hdr, be->hdr.name);
720 goto err;
721 }
8a978234 722
0db627c4 723 /* pass control to driver for optional further init */
430791dd 724 ret = soc_tplg_control_load(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)be);
0db627c4
AS		 725 if (ret < 0) {
726 dev_err(tplg->dev, "ASoC: failed to init %s\n", be->hdr.name);
727 goto err;
728 }
8a978234 729
0db627c4
AS		 730 /* register control here */
731 ret = soc_tplg_add_kcontrol(tplg, &kc, &sbe->dobj.control.kcontrol);
732 if (ret < 0) {
733 dev_err(tplg->dev, "ASoC: failed to add %s\n", be->hdr.name);
734 goto err;
8a978234 735 }
8a978234 736
0db627c4
AS		 737 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
738
739err:
740 return ret;
8a978234
LG		 741}
742
0db627c4 743static int soc_tplg_dmixer_create(struct soc_tplg *tplg, size_t size)
8a978234
LG		 744{
745 struct snd_soc_tplg_mixer_control *mc;
746 struct soc_mixer_control *sm;
747 struct snd_kcontrol_new kc;
0db627c4 748 int ret = 0;
8a978234
LG		 749
750 if (soc_tplg_check_elem_count(tplg,
3ce57f22 751 sizeof(struct snd_soc_tplg_mixer_control),
0db627c4 752 1, size, "mixers"))
8a978234 753 return -EINVAL;
8a978234 754
0db627c4 755 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 756
0db627c4
AS		 757 /* validate kcontrol */
758 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
759 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
760 return -EINVAL;
8a978234 761
0db627c4
AS		 762 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
763 if (sm == NULL)
764 return -ENOMEM;
765 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
766 le32_to_cpu(mc->priv.size));
767
768 dev_dbg(tplg->dev,
769 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
770 mc->hdr.name, mc->hdr.access);
771
772 memset(&kc, 0, sizeof(kc));
773 kc.name = mc->hdr.name;
774 kc.private_value = (long)sm;
775 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
776 kc.access = le32_to_cpu(mc->hdr.access);
777
778 /* we only support FL/FR channel mapping atm */
8f9974d9
AS		 779 sm->reg = tplg_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FL);
780 sm->rreg = tplg_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FR);
781 sm->shift = tplg_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FL);
782 sm->rshift = tplg_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FR);
0db627c4
AS		 783
784 sm->max = le32_to_cpu(mc->max);
785 sm->min = le32_to_cpu(mc->min);
786 sm->invert = le32_to_cpu(mc->invert);
787 sm->platform_max = le32_to_cpu(mc->platform_max);
788 sm->dobj.index = tplg->index;
789 sm->dobj.ops = tplg->ops;
790 sm->dobj.type = SND_SOC_DOBJ_MIXER;
791 INIT_LIST_HEAD(&sm->dobj.list);
792
793 /* map io handlers */
794 ret = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
795 if (ret) {
796 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
797 goto err;
798 }
3789debf 799
0db627c4
AS		 800 /* create any TLV data */
801 ret = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
802 if (ret < 0) {
803 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n", mc->hdr.name);
804 goto err;
805 }
8a978234 806
0db627c4 807 /* pass control to driver for optional further init */
430791dd 808 ret = soc_tplg_control_load(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)mc);
0db627c4
AS		 809 if (ret < 0) {
810 dev_err(tplg->dev, "ASoC: failed to init %s\n", mc->hdr.name);
811 goto err;
812 }
8a978234 813
0db627c4
AS		 814 /* register control here */
815 ret = soc_tplg_add_kcontrol(tplg, &kc, &sm->dobj.control.kcontrol);
816 if (ret < 0) {
817 dev_err(tplg->dev, "ASoC: failed to add %s\n", mc->hdr.name);
818 goto err;
8a978234
LG		 819 }
820
0db627c4
AS		 821 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
822
823err:
824 return ret;
8a978234
LG		 825}
826
ff922622
AS		 827static int soc_tplg_denum_create_texts(struct soc_tplg *tplg, struct soc_enum *se,
828 struct snd_soc_tplg_enum_control *ec)
8a978234
LG		 829{
830 int i, ret;
831
f5824e5c
AS		 832 if (le32_to_cpu(ec->items) > ARRAY_SIZE(ec->texts))
833 return -EINVAL;
834
8a978234 835 se->dobj.control.dtexts =
ff922622 836 devm_kcalloc(tplg->dev, le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 837 if (se->dobj.control.dtexts == NULL)
838 return -ENOMEM;
839
72bbeda0 840 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 841
842 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
843 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
844 ret = -EINVAL;
845 goto err;
846 }
847
ff922622 848 se->dobj.control.dtexts[i] = devm_kstrdup(tplg->dev, ec->texts[i], GFP_KERNEL);
8a978234
LG		 849 if (!se->dobj.control.dtexts[i]) {
850 ret = -ENOMEM;
851 goto err;
852 }
853 }
854
3cde818c 855 se->items = le32_to_cpu(ec->items);
b6e38b29 856 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 857 return 0;
858
859err:
3cde818c
AS		 860 return ret;
861}
862
ff922622
AS		 863static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum *se,
864 struct snd_soc_tplg_enum_control *ec)
8a978234 865{
5aebe7c7
PLB		 866 int i;
867
631c78ed
AS		 868 /*
869 * Following "if" checks if we have at most SND_SOC_TPLG_NUM_TEXTS
870 * values instead of using ARRAY_SIZE(ec->values) due to the fact that
871 * it is oversized for its purpose. Additionally it is done so because
872 * it is defined in UAPI header where it can't be easily changed.
873 */
874 if (le32_to_cpu(ec->items) > SND_SOC_TPLG_NUM_TEXTS)
8a978234
LG		 875 return -EINVAL;
876
631c78ed 877 se->dobj.control.dvalues = devm_kcalloc(tplg->dev, le32_to_cpu(ec->items),
543466ef 878 sizeof(*se->dobj.control.dvalues),
376c0afe 879 GFP_KERNEL);
8a978234
LG		 880 if (!se->dobj.control.dvalues)
881 return -ENOMEM;
882
5aebe7c7
PLB		 883 /* convert from little-endian */
884 for (i = 0; i < le32_to_cpu(ec->items); i++) {
885 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
886 }
887
8a978234
LG		 888 return 0;
889}
890
0db627c4 891static int soc_tplg_denum_create(struct soc_tplg *tplg, size_t size)
8a978234
LG		 892{
893 struct snd_soc_tplg_enum_control *ec;
894 struct soc_enum *se;
895 struct snd_kcontrol_new kc;
0db627c4 896 int ret = 0;
8a978234
LG		 897
898 if (soc_tplg_check_elem_count(tplg,
3ce57f22 899 sizeof(struct snd_soc_tplg_enum_control),
0db627c4 900 1, size, "enums"))
8a978234 901 return -EINVAL;
8a978234 902
0db627c4 903 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234 904
0db627c4
AS		 905 /* validate kcontrol */
906 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
907 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
908 return -EINVAL;
8a978234 909
0db627c4
AS		 910 se = devm_kzalloc(tplg->dev, (sizeof(*se)), GFP_KERNEL);
911 if (se == NULL)
912 return -ENOMEM;
8a978234 913
0db627c4
AS		 914 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
915 le32_to_cpu(ec->priv.size));
916
917 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
918 ec->hdr.name, ec->items);
919
920 memset(&kc, 0, sizeof(kc));
921 kc.name = ec->hdr.name;
922 kc.private_value = (long)se;
923 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
924 kc.access = le32_to_cpu(ec->hdr.access);
925
8f9974d9
AS		 926 se->reg = tplg_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
927 se->shift_l = tplg_chan_get_shift(tplg, ec->channel,
0db627c4 928 SNDRV_CHMAP_FL);
8f9974d9 929 se->shift_r = tplg_chan_get_shift(tplg, ec->channel,
0db627c4
AS		 930 SNDRV_CHMAP_FL);
931
932 se->mask = le32_to_cpu(ec->mask);
933 se->dobj.index = tplg->index;
934 se->dobj.type = SND_SOC_DOBJ_ENUM;
935 se->dobj.ops = tplg->ops;
936 INIT_LIST_HEAD(&se->dobj.list);
937
938 switch (le32_to_cpu(ec->hdr.ops.info)) {
939 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
940 case SND_SOC_TPLG_CTL_ENUM_VALUE:
941 ret = soc_tplg_denum_create_values(tplg, se, ec);
942 if (ret < 0) {
8a978234 943 dev_err(tplg->dev,
0db627c4 944 "ASoC: could not create values for %s\n",
8a978234 945 ec->hdr.name);
0db627c4 946 goto err;
8a978234 947 }
0db627c4
AS		 948 fallthrough;
949 case SND_SOC_TPLG_CTL_ENUM:
950 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
951 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
952 ret = soc_tplg_denum_create_texts(tplg, se, ec);
953 if (ret < 0) {
954 dev_err(tplg->dev,
955 "ASoC: could not create texts for %s\n",
8a978234 956 ec->hdr.name);
0db627c4 957 goto err;
8a978234 958 }
0db627c4
AS		 959 break;
960 default:
961 ret = -EINVAL;
962 dev_err(tplg->dev,
963 "ASoC: invalid enum control type %d for %s\n",
964 ec->hdr.ops.info, ec->hdr.name);
965 goto err;
966 }
8a978234 967
0db627c4
AS		 968 /* map io handlers */
969 ret = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
970 if (ret) {
971 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
972 goto err;
8a978234 973 }
952bd937 974
0db627c4 975 /* pass control to driver for optional further init */
430791dd 976 ret = soc_tplg_control_load(tplg, &kc, (struct snd_soc_tplg_ctl_hdr *)ec);
0db627c4
AS		 977 if (ret < 0) {
978 dev_err(tplg->dev, "ASoC: failed to init %s\n", ec->hdr.name);
979 goto err;
980 }
981
982 /* register control here */
983 ret = soc_tplg_add_kcontrol(tplg, &kc, &se->dobj.control.kcontrol);
984 if (ret < 0) {
985 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n", ec->hdr.name);
986 goto err;
987 }
988
989 list_add(&se->dobj.list, &tplg->comp->dobj_list);
990
991err:
992 return ret;
8a978234
LG		 993}
994
995static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
996 struct snd_soc_tplg_hdr *hdr)
997{
2ae548f3 998 int ret;
8a978234
LG		 999 int i;
1000
8a978234
LG		 1001 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1002 soc_tplg_get_offset(tplg));
1003
5aebe7c7 1004 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
ea8f6b29 1005 struct snd_soc_tplg_ctl_hdr *control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
8a978234 1006
5aebe7c7 1007 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1008 dev_err(tplg->dev, "ASoC: invalid control size\n");
1009 return -EINVAL;
1010 }
1011
5aebe7c7 1012 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1013 case SND_SOC_TPLG_CTL_VOLSW:
1014 case SND_SOC_TPLG_CTL_STROBE:
1015 case SND_SOC_TPLG_CTL_VOLSW_SX:
1016 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1017 case SND_SOC_TPLG_CTL_RANGE:
1018 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1019 case SND_SOC_TPLG_DAPM_CTL_PIN:
0db627c4 1020 ret = soc_tplg_dmixer_create(tplg, le32_to_cpu(hdr->payload_size));
8a978234
LG		 1021 break;
1022 case SND_SOC_TPLG_CTL_ENUM:
1023 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1024 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1025 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1026 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
0db627c4 1027 ret = soc_tplg_denum_create(tplg, le32_to_cpu(hdr->payload_size));
8a978234
LG		 1028 break;
1029 case SND_SOC_TPLG_CTL_BYTES:
0db627c4 1030 ret = soc_tplg_dbytes_create(tplg, le32_to_cpu(hdr->payload_size));
8a978234
LG		 1031 break;
1032 default:
1033 soc_bind_err(tplg, control_hdr, i);
1034 return -EINVAL;
1035 }
2ae548f3
AS		 1036 if (ret < 0) {
1037 dev_err(tplg->dev, "ASoC: invalid control\n");
1038 return ret;
1039 }
1040
8a978234
LG		 1041 }
1042
1043 return 0;
1044}
1045
503e79b7
LG		 1046/* optionally pass new dynamic kcontrol to component driver. */
1047static int soc_tplg_add_route(struct soc_tplg *tplg,
1048 struct snd_soc_dapm_route *route)
1049{
c42464a4 1050 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1051 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1052 route);
1053
1054 return 0;
1055}
1056
8a978234
LG		 1057static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1058 struct snd_soc_tplg_hdr *hdr)
1059{
1060 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1061 struct snd_soc_tplg_dapm_graph_elem *elem;
cc44c749 1062 struct snd_soc_dapm_route *route;
ff922622 1063 int count, i;
7df04ea7 1064 int ret = 0;
8a978234 1065
5aebe7c7
PLB		 1066 count = le32_to_cpu(hdr->count);
1067
8a978234 1068 if (soc_tplg_check_elem_count(tplg,
3ce57f22
AS		 1069 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1070 count, le32_to_cpu(hdr->payload_size), "graph"))
8a978234 1071 return -EINVAL;
8a978234 1072
b75a6511
LG		 1073 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1074 hdr->index);
8a978234 1075
7df04ea7 1076 for (i = 0; i < count; i++) {
cc44c749
AS		 1077 route = devm_kzalloc(tplg->dev, sizeof(*route), GFP_KERNEL);
1078 if (!route)
7df04ea7 1079 return -ENOMEM;
8a978234
LG		 1080 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1081 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1082
1083 /* validate routes */
1084 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1085 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1086 ret = -EINVAL;
1087 break;
1088 }
8a978234 1089 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1090 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1091 ret = -EINVAL;
1092 break;
1093 }
8a978234 1094 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1095 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1096 ret = -EINVAL;
1097 break;
1098 }
1099
cc44c749
AS		 1100 route->source = elem->source;
1101 route->sink = elem->sink;
8a978234 1102
7df04ea7 1103 /* set to NULL atm for tplg users */
cc44c749 1104 route->connected = NULL;
8a978234 1105 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
cc44c749 1106 route->control = NULL;
8a978234 1107 else
cc44c749 1108 route->control = elem->control;
7df04ea7
RS		 1109
1110 /* add route dobj to dobj_list */
cc44c749
AS		 1111 route->dobj.type = SND_SOC_DOBJ_GRAPH;
1112 route->dobj.ops = tplg->ops;
1113 route->dobj.index = tplg->index;
1114 list_add(&route->dobj.list, &tplg->comp->dobj_list);
8a978234 1115
cc44c749 1116 ret = soc_tplg_add_route(tplg, route);
6f0307df 1117 if (ret < 0) {
8bf9475f 1118 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6856e887 1119 break;
6f0307df 1120 }
503e79b7 1121
8a978234 1122 /* add route, but keep going if some fail */
cc44c749 1123 snd_soc_dapm_add_routes(dapm, route, 1);
8a978234
LG		 1124 }
1125
7df04ea7 1126 return ret;
8a978234
LG		 1127}
1128
d29d41e2 1129static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1130{
8a978234
LG		 1131 struct soc_mixer_control *sm;
1132 struct snd_soc_tplg_mixer_control *mc;
d29d41e2 1133 int err;
9f90af3a 1134
d29d41e2 1135 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1136
d29d41e2
JU		 1137 /* validate kcontrol */
1138 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1139 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1140 return -EINVAL;
8a978234 1141
d29d41e2
JU		 1142 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
1143 if (!sm)
1144 return -ENOMEM;
8a978234 1145
d29d41e2
JU		 1146 tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) +
1147 le32_to_cpu(mc->priv.size);
8a978234 1148
d29d41e2
JU		 1149 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n",
1150 mc->hdr.name);
8a978234 1151
d29d41e2
JU		 1152 kc->private_value = (long)sm;
1153 kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL);
1154 if (!kc->name)
1155 return -ENOMEM;
1156 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1157 kc->access = le32_to_cpu(mc->hdr.access);
1158
1159 /* we only support FL/FR channel mapping atm */
8f9974d9 1160 sm->reg = tplg_chan_get_reg(tplg, mc->channel,
d29d41e2 1161 SNDRV_CHMAP_FL);
8f9974d9 1162 sm->rreg = tplg_chan_get_reg(tplg, mc->channel,
d29d41e2 1163 SNDRV_CHMAP_FR);
8f9974d9 1164 sm->shift = tplg_chan_get_shift(tplg, mc->channel,
d29d41e2 1165 SNDRV_CHMAP_FL);
8f9974d9 1166 sm->rshift = tplg_chan_get_shift(tplg, mc->channel,
d29d41e2
JU		 1167 SNDRV_CHMAP_FR);
1168
1169 sm->max = le32_to_cpu(mc->max);
1170 sm->min = le32_to_cpu(mc->min);
1171 sm->invert = le32_to_cpu(mc->invert);
1172 sm->platform_max = le32_to_cpu(mc->platform_max);
1173 sm->dobj.index = tplg->index;
1174 INIT_LIST_HEAD(&sm->dobj.list);
1175
1176 /* map io handlers */
1177 err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg);
1178 if (err) {
1179 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1180 return err;
1181 }
8a978234 1182
d29d41e2
JU		 1183 /* create any TLV data */
1184 err = soc_tplg_create_tlv(tplg, kc, &mc->hdr);
1185 if (err < 0) {
1186 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1187 mc->hdr.name);
1188 return err;
1189 }
3789debf 1190
d29d41e2 1191 /* pass control to driver for optional further init */
430791dd 1192 err = soc_tplg_control_load(tplg, kc, (struct snd_soc_tplg_ctl_hdr *)mc);
d29d41e2
JU		 1193 if (err < 0) {
1194 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1195 mc->hdr.name);
1196 return err;
8a978234 1197 }
8a978234 1198
d29d41e2 1199 return 0;
8a978234
LG		 1200}
1201
d29d41e2 1202static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1203{
8a978234
LG		 1204 struct snd_soc_tplg_enum_control *ec;
1205 struct soc_enum *se;
d29d41e2 1206 int err;
1a7dd6e2 1207
d29d41e2
JU		 1208 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1209 /* validate kcontrol */
1210 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1211 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1212 return -EINVAL;
8a978234 1213
d29d41e2
JU		 1214 se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL);
1215 if (!se)
1216 return -ENOMEM;
02b64245 1217
d29d41e2
JU		 1218 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1219 le32_to_cpu(ec->priv.size));
8a978234 1220
d29d41e2
JU		 1221 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1222 ec->hdr.name);
8a978234 1223
d29d41e2
JU		 1224 kc->private_value = (long)se;
1225 kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL);
1226 if (!kc->name)
1227 return -ENOMEM;
1228 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1229 kc->access = le32_to_cpu(ec->hdr.access);
8a978234 1230
d29d41e2 1231 /* we only support FL/FR channel mapping atm */
8f9974d9
AS		 1232 se->reg = tplg_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1233 se->shift_l = tplg_chan_get_shift(tplg, ec->channel,
d29d41e2 1234 SNDRV_CHMAP_FL);
8f9974d9 1235 se->shift_r = tplg_chan_get_shift(tplg, ec->channel,
d29d41e2 1236 SNDRV_CHMAP_FR);
8a978234 1237
d29d41e2
JU		 1238 se->items = le32_to_cpu(ec->items);
1239 se->mask = le32_to_cpu(ec->mask);
1240 se->dobj.index = tplg->index;
1a7dd6e2 1241
d29d41e2
JU		 1242 switch (le32_to_cpu(ec->hdr.ops.info)) {
1243 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1244 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1245 err = soc_tplg_denum_create_values(tplg, se, ec);
1246 if (err < 0) {
1247 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1248 ec->hdr.name);
1249 return err;
1a7dd6e2 1250 }
d29d41e2
JU		 1251 fallthrough;
1252 case SND_SOC_TPLG_CTL_ENUM:
1253 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1254 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1255 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234 1256 if (err < 0) {
d29d41e2 1257 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
8a978234 1258 ec->hdr.name);
d29d41e2 1259 return err;
8a978234 1260 }
d29d41e2
JU		 1261 break;
1262 default:
1263 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1264 ec->hdr.ops.info, ec->hdr.name);
1265 return -EINVAL;
8a978234
LG		 1266 }
1267
d29d41e2
JU		 1268 /* map io handlers */
1269 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
1270 if (err) {
1271 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1272 return err;
1273 }
8a978234 1274
d29d41e2 1275 /* pass control to driver for optional further init */
430791dd 1276 err = soc_tplg_control_load(tplg, kc, (struct snd_soc_tplg_ctl_hdr *)ec);
d29d41e2
JU		 1277 if (err < 0) {
1278 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1279 ec->hdr.name);
1280 return err;
1281 }
1282
1283 return 0;
8a978234
LG		 1284}
1285
d29d41e2 1286static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234
LG		 1287{
1288 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1289 struct soc_bytes_ext *sbe;
d29d41e2 1290 int err;
8a978234 1291
d29d41e2 1292 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 1293
d29d41e2
JU		 1294 /* validate kcontrol */
1295 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1296 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1297 return -EINVAL;
8a978234 1298
d29d41e2
JU		 1299 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
1300 if (!sbe)
1301 return -ENOMEM;
8a978234 1302
d29d41e2
JU		 1303 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1304 le32_to_cpu(be->priv.size));
8a978234 1305
d29d41e2
JU		 1306 dev_dbg(tplg->dev,
1307 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1308 be->hdr.name, be->hdr.access);
8a978234 1309
d29d41e2
JU		 1310 kc->private_value = (long)sbe;
1311 kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL);
1312 if (!kc->name)
1313 return -ENOMEM;
1314 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1315 kc->access = le32_to_cpu(be->hdr.access);
8a978234 1316
d29d41e2
JU		 1317 sbe->max = le32_to_cpu(be->max);
1318 INIT_LIST_HEAD(&sbe->dobj.list);
8a978234 1319
d29d41e2
JU		 1320 /* map standard io handlers and check for external handlers */
1321 err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg);
1322 if (err) {
1323 soc_control_err(tplg, &be->hdr, be->hdr.name);
1324 return err;
8a978234
LG		 1325 }
1326
d29d41e2 1327 /* pass control to driver for optional further init */
430791dd 1328 err = soc_tplg_control_load(tplg, kc, (struct snd_soc_tplg_ctl_hdr *)be);
d29d41e2
JU		 1329 if (err < 0) {
1330 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1331 be->hdr.name);
1332 return err;
1333 }
9f90af3a 1334
d29d41e2 1335 return 0;
8a978234
LG		 1336}
1337
1338static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1339 struct snd_soc_tplg_dapm_widget *w)
1340{
1341 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1342 struct snd_soc_dapm_widget template, *widget;
1343 struct snd_soc_tplg_ctl_hdr *control_hdr;
1344 struct snd_soc_card *card = tplg->comp->card;
b9c035aa 1345 unsigned int *kcontrol_type = NULL;
d29d41e2
JU		 1346 struct snd_kcontrol_new *kc;
1347 int mixer_count = 0;
1348 int bytes_count = 0;
1349 int enum_count = 0;
8a978234 1350 int ret = 0;
d29d41e2 1351 int i;
8a978234
LG		 1352
1353 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1354 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1355 return -EINVAL;
1356 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1357 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1358 return -EINVAL;
1359
1360 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1361 w->name, w->id);
1362
1363 memset(&template, 0, sizeof(template));
1364
1365 /* map user to kernel widget ID */
5aebe7c7 1366 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1367 if ((int)template.id < 0)
8a978234
LG		 1368 return template.id;
1369
c3421a6a 1370 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1371 template.name = kstrdup(w->name, GFP_KERNEL);
1372 if (!template.name)
1373 return -ENOMEM;
1374 template.sname = kstrdup(w->sname, GFP_KERNEL);
1375 if (!template.sname) {
1376 ret = -ENOMEM;
1377 goto err;
1378 }
5aebe7c7
PLB		 1379 template.reg = le32_to_cpu(w->reg);
1380 template.shift = le32_to_cpu(w->shift);
1381 template.mask = le32_to_cpu(w->mask);
1382 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1383 template.on_val = w->invert ? 0 : 1;
1384 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1385 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1386 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1387 template.dobj.index = tplg->index;
1388
1389 tplg->pos +=
5aebe7c7
PLB		 1390 (sizeof(struct snd_soc_tplg_dapm_widget) +
1391 le32_to_cpu(w->priv.size));
1392
8a978234
LG		 1393 if (w->num_kcontrols == 0) {
1394 template.num_kcontrols = 0;
1395 goto widget;
1396 }
1397
d29d41e2
JU		 1398 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
1399 kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
1400 if (!kc)
9c363532 1401 goto hdr_err;
d29d41e2
JU		 1402
1403 kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
1404 GFP_KERNEL);
1405 if (!kcontrol_type)
9c363532 1406 goto hdr_err;
d29d41e2 1407
1baad7da 1408 for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) {
d29d41e2
JU		 1409 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1410 switch (le32_to_cpu(control_hdr->ops.info)) {
1411 case SND_SOC_TPLG_CTL_VOLSW:
1412 case SND_SOC_TPLG_CTL_STROBE:
1413 case SND_SOC_TPLG_CTL_VOLSW_SX:
1414 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1415 case SND_SOC_TPLG_CTL_RANGE:
1416 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1417 /* volume mixer */
1418 kc[i].index = mixer_count;
1419 kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER;
1420 mixer_count++;
1421 ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]);
1422 if (ret < 0)
1423 goto hdr_err;
1424 break;
1425 case SND_SOC_TPLG_CTL_ENUM:
1426 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1427 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1428 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1429 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1430 /* enumerated mixer */
1431 kc[i].index = enum_count;
1432 kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM;
1433 enum_count++;
1434 ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]);
1435 if (ret < 0)
1436 goto hdr_err;
1437 break;
1438 case SND_SOC_TPLG_CTL_BYTES:
1439 /* bytes control */
1440 kc[i].index = bytes_count;
1441 kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES;
1442 bytes_count++;
1443 ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]);
1444 if (ret < 0)
1445 goto hdr_err;
1446 break;
1447 default:
1448 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1449 control_hdr->ops.get, control_hdr->ops.put,
1450 le32_to_cpu(control_hdr->ops.info));
1451 ret = -EINVAL;
8a978234
LG		 1452 goto hdr_err;
1453 }
8a978234
LG		 1454 }
1455
d29d41e2 1456 template.kcontrol_news = kc;
8facf84b
PU		 1457 dev_dbg(tplg->dev, "ASoC: template %s with %d/%d/%d (mixer/enum/bytes) control\n",
1458 w->name, mixer_count, enum_count, bytes_count);
d29d41e2 1459
8a978234
LG		 1460widget:
1461 ret = soc_tplg_widget_load(tplg, &template, w);
1462 if (ret < 0)
1463 goto hdr_err;
1464
1465 /* card dapm mutex is held by the core if we are loading topology
1466 * data during sound card init. */
1467 if (card->instantiated)
1468 widget = snd_soc_dapm_new_control(dapm, &template);
1469 else
1470 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1471 if (IS_ERR(widget)) {
1472 ret = PTR_ERR(widget);
8a978234
LG		 1473 goto hdr_err;
1474 }
1475
1476 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1477 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1478 widget->dobj.ops = tplg->ops;
1479 widget->dobj.index = tplg->index;
1480 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1481
1482 ret = soc_tplg_widget_ready(tplg, widget, w);
1483 if (ret < 0)
1484 goto ready_err;
1485
7620fe91
B		 1486 kfree(template.sname);
1487 kfree(template.name);
1488
8a978234
LG		 1489 return 0;
1490
ebd259d3 1491ready_err:
2abfd4bd 1492 soc_tplg_remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET);
ebd259d3 1493 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1494hdr_err:
1495 kfree(template.sname);
1496err:
1497 kfree(template.name);
1498 return ret;
1499}
1500
1501static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1502 struct snd_soc_tplg_hdr *hdr)
1503{
e9aa139f 1504 int count, i;
5aebe7c7
PLB		 1505
1506 count = le32_to_cpu(hdr->count);
8a978234 1507
8a978234
LG		 1508 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1509
1510 for (i = 0; i < count; i++) {
e9aa139f
KM		 1511 struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1512 int ret;
1513
2e288333
AS		 1514 /*
1515 * check if widget itself fits within topology file
1516 * use sizeof instead of widget->size, as we can't be sure
1517 * it is set properly yet (file may end before it is present)
1518 */
1519 if (soc_tplg_get_offset(tplg) + sizeof(*widget) >= tplg->fw->size) {
1520 dev_err(tplg->dev, "ASoC: invalid widget data size\n");
1521 return -EINVAL;
1522 }
1523
1524 /* check if widget has proper size */
5aebe7c7 1525 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1526 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1527 return -EINVAL;
1528 }
1529
2e288333
AS		 1530 /* check if widget private data fits within topology file */
1531 if (soc_tplg_get_offset(tplg) + le32_to_cpu(widget->priv.size) >= tplg->fw->size) {
1532 dev_err(tplg->dev, "ASoC: invalid widget private data size\n");
1533 return -EINVAL;
1534 }
1535
8a978234 1536 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1537 if (ret < 0) {
8a978234
LG		 1538 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1539 widget->name);
7de76b62
ML		 1540 return ret;
1541 }
8a978234
LG		 1542 }
1543
1544 return 0;
1545}
1546
1547static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1548{
1549 struct snd_soc_card *card = tplg->comp->card;
1550 int ret;
1551
1552 /* Card might not have been registered at this point.
1553 * If so, just return success.
1554 */
1555 if (!card || !card->instantiated) {
1556 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1557 " widget card binding deferred\n");
8a978234
LG		 1558 return 0;
1559 }
1560
1561 ret = snd_soc_dapm_new_widgets(card);
1562 if (ret < 0)
1563 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1564 ret);
1565
1566 return 0;
1567}
1568
ff922622
AS		 1569static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream,
1570 struct snd_soc_tplg_stream_caps *caps)
b6b6e4d6 1571{
ff922622 1572 stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL);
abc3caac
AS		 1573 if (!stream->stream_name)
1574 return -ENOMEM;
1575
5aebe7c7
PLB		 1576 stream->channels_min = le32_to_cpu(caps->channels_min);
1577 stream->channels_max = le32_to_cpu(caps->channels_max);
1578 stream->rates = le32_to_cpu(caps->rates);
1579 stream->rate_min = le32_to_cpu(caps->rate_min);
1580 stream->rate_max = le32_to_cpu(caps->rate_max);
1581 stream->formats = le64_to_cpu(caps->formats);
1582 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1583
1584 return 0;
b6b6e4d6
ML		 1585}
1586
0038be9a
ML		 1587static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1588 unsigned int flag_mask, unsigned int flags)
1589{
1590 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
f14654dd 1591 dai_drv->symmetric_rate =
47108a61 1592 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
0038be9a
ML		 1593
1594 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1595 dai_drv->symmetric_channels =
47108a61 1596 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ?
0038be9a
ML		 1597 1 : 0;
1598
1599 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1600 dai_drv->symmetric_sample_bits =
47108a61 1601 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
0038be9a
ML		 1602 1 : 0;
1603}
1604
64527e8a
ML		 1605static int soc_tplg_dai_create(struct soc_tplg *tplg,
1606 struct snd_soc_tplg_pcm *pcm)
1607{
1608 struct snd_soc_dai_driver *dai_drv;
1609 struct snd_soc_pcm_stream *stream;
1610 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1611 struct snd_soc_dai *dai;
1612 struct snd_soc_dapm_context *dapm =
1613 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1614 int ret;
1615
ff922622 1616 dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
64527e8a
ML		 1617 if (dai_drv == NULL)
1618 return -ENOMEM;
1619
abc3caac 1620 if (strlen(pcm->dai_name)) {
ff922622 1621 dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1622 if (!dai_drv->name) {
1623 ret = -ENOMEM;
1624 goto err;
1625 }
1626 }
5aebe7c7 1627 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1628
1629 if (pcm->playback) {
1630 stream = &dai_drv->playback;
1631 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 1632 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1633 if (ret < 0)
1634 goto err;
64527e8a
ML		 1635 }
1636
1637 if (pcm->capture) {
1638 stream = &dai_drv->capture;
1639 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 1640 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1641 if (ret < 0)
1642 goto err;
64527e8a
ML		 1643 }
1644
5db6aab6
LG		 1645 if (pcm->compress)
1646 dai_drv->compress_new = snd_soc_new_compress;
1647
64527e8a 1648 /* pass control to component driver for optional further init */
c60b613a 1649 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a 1650 if (ret < 0) {
e59db12b 1651 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 1652 goto err;
64527e8a
ML		 1653 }
1654
1655 dai_drv->dobj.index = tplg->index;
1656 dai_drv->dobj.ops = tplg->ops;
1657 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1658 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1659
1660 /* register the DAI to the component */
fc4cb1e1 1661 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
e443c205
KM		 1662 if (!dai)
1663 return -ENOMEM;
1664
1665 /* Create the DAI widgets here */
1666 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1667 if (ret != 0) {
1668 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
fc4cb1e1 1669 snd_soc_unregister_dai(dai);
e443c205
KM		 1670 return ret;
1671 }
1672
abc3caac
AS		 1673 return 0;
1674
1675err:
e443c205 1676 return ret;
64527e8a
ML		 1677}
1678
717a8e72
ML		 1679static void set_link_flags(struct snd_soc_dai_link *link,
1680 unsigned int flag_mask, unsigned int flags)
1681{
1682 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
f14654dd 1683 link->symmetric_rate =
47108a61 1684 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
717a8e72
ML		 1685
1686 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1687 link->symmetric_channels =
47108a61 1688 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ?
717a8e72
ML		 1689 1 : 0;
1690
1691 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1692 link->symmetric_sample_bits =
47108a61 1693 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
717a8e72 1694 1 : 0;
6ff67cca
ML		 1695
1696 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1697 link->ignore_suspend =
47108a61
PLB		 1698 (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ?
1699 1 : 0;
717a8e72
ML		 1700}
1701
67d1c21e 1702/* create the FE DAI link */
ab4bc5ee 1703static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1704 struct snd_soc_tplg_pcm *pcm)
1705{
1706 struct snd_soc_dai_link *link;
23b946ce 1707 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1708 int ret;
1709
3e6de894 1710 /* link + cpu + codec + platform */
ff922622 1711 link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1712 if (link == NULL)
1713 return -ENOMEM;
1714
23b946ce
KM		 1715 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1716
1717 link->cpus = &dlc[0];
1718 link->codecs = &dlc[1];
3e6de894 1719 link->platforms = &dlc[2];
23b946ce
KM		 1720
1721 link->num_cpus = 1;
1722 link->num_codecs = 1;
3e6de894 1723 link->num_platforms = 1;
23b946ce 1724
8ce1cbd6
JK		 1725 link->dobj.index = tplg->index;
1726 link->dobj.ops = tplg->ops;
1727 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1728
8f27c4ab 1729 if (strlen(pcm->pcm_name)) {
ff922622
AS		 1730 link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
1731 link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1732 if (!link->name || !link->stream_name) {
1733 ret = -ENOMEM;
1734 goto err;
1735 }
8f27c4ab 1736 }
5aebe7c7 1737 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1738
abc3caac 1739 if (strlen(pcm->dai_name)) {
ff922622 1740 link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1741 if (!link->cpus->dai_name) {
1742 ret = -ENOMEM;
1743 goto err;
1744 }
1745 }
8f27c4ab 1746
23b946ce
KM		 1747 link->codecs->name = "snd-soc-dummy";
1748 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1749
3e6de894
PLB		 1750 link->platforms->name = "snd-soc-dummy";
1751
67d1c21e
GS		 1752 /* enable DPCM */
1753 link->dynamic = 1;
c403dcd8 1754 link->ignore_pmdown_time = 1;
5aebe7c7
PLB		 1755 link->dpcm_playback = le32_to_cpu(pcm->playback);
1756 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1757 if (pcm->flag_mask)
5aebe7c7
PLB		 1758 set_link_flags(link,
1759 le32_to_cpu(pcm->flag_mask),
1760 le32_to_cpu(pcm->flags));
67d1c21e 1761
acfc7d46 1762 /* pass control to component driver for optional further init */
c60b613a 1763 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46 1764 if (ret < 0) {
e59db12b 1765 dev_err(tplg->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1766 goto err;
1767 }
1768
2acf6ce2 1769 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036 1770 if (ret < 0) {
e59db12b 1771 dev_err(tplg->dev, "ASoC: adding FE link failed\n");
76d27036 1772 goto err;
acfc7d46
ML		 1773 }
1774
acfc7d46
ML		 1775 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1776
acfc7d46 1777 return 0;
76d27036 1778err:
76d27036 1779 return ret;
acfc7d46
ML		 1780}
1781
1782/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1783static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1784 struct snd_soc_tplg_pcm *pcm)
1785{
acfc7d46
ML		 1786 int ret;
1787
1788 ret = soc_tplg_dai_create(tplg, pcm);
1789 if (ret < 0)
1790 return ret;
1791
ab4bc5ee 1792 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1793}
1794
55726dc9
ML		 1795/* copy stream caps from the old version 4 of source */
1796static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1797 struct snd_soc_tplg_stream_caps_v4 *src)
1798{
5aebe7c7 1799 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 1800 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1801 dest->formats = src->formats;
1802 dest->rates = src->rates;
1803 dest->rate_min = src->rate_min;
1804 dest->rate_max = src->rate_max;
1805 dest->channels_min = src->channels_min;
1806 dest->channels_max = src->channels_max;
1807 dest->periods_min = src->periods_min;
1808 dest->periods_max = src->periods_max;
1809 dest->period_size_min = src->period_size_min;
1810 dest->period_size_max = src->period_size_max;
1811 dest->buffer_size_min = src->buffer_size_min;
1812 dest->buffer_size_max = src->buffer_size_max;
1813}
1814
1815/**
1816 * pcm_new_ver - Create the new version of PCM from the old version.
1817 * @tplg: topology context
1818 * @src: older version of pcm as a source
1819 * @pcm: latest version of pcm created from the source
1820 *
ce1f2571 1821 * Support from version 4. User should free the returned pcm manually.
55726dc9
ML		 1822 */
1823static int pcm_new_ver(struct soc_tplg *tplg,
1824 struct snd_soc_tplg_pcm *src,
1825 struct snd_soc_tplg_pcm **pcm)
1826{
1827 struct snd_soc_tplg_pcm *dest;
1828 struct snd_soc_tplg_pcm_v4 *src_v4;
1829 int i;
1830
1831 *pcm = NULL;
1832
5aebe7c7 1833 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 1834 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1835 return -EINVAL;
1836 }
1837
1838 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1839 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1840 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1841 if (!dest)
1842 return -ENOMEM;
1843
5aebe7c7 1844 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 1845 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1846 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1847 dest->pcm_id = src_v4->pcm_id;
1848 dest->dai_id = src_v4->dai_id;
1849 dest->playback = src_v4->playback;
1850 dest->capture = src_v4->capture;
1851 dest->compress = src_v4->compress;
1852 dest->num_streams = src_v4->num_streams;
5aebe7c7 1853 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 1854 memcpy(&dest->stream[i], &src_v4->stream[i],
1855 sizeof(struct snd_soc_tplg_stream));
1856
1857 for (i = 0; i < 2; i++)
1858 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1859
1860 *pcm = dest;
1861 return 0;
1862}
1863
64527e8a 1864static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1865 struct snd_soc_tplg_hdr *hdr)
1866{
55726dc9 1867 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 1868 int count;
1869 int size;
fd340455 1870 int i;
55726dc9 1871 bool abi_match;
a3039aef 1872 int ret;
8a978234 1873
5aebe7c7
PLB		 1874 count = le32_to_cpu(hdr->count);
1875
55726dc9
ML		 1876 /* check the element size and count */
1877 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 1878 size = le32_to_cpu(pcm->size);
1879 if (size > sizeof(struct snd_soc_tplg_pcm)
1880 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 1881 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 1882 size);
55726dc9
ML		 1883 return -EINVAL;
1884 }
1885
8a978234 1886 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 1887 size, count,
1888 le32_to_cpu(hdr->payload_size),
3ce57f22 1889 "PCM DAI"))
8a978234 1890 return -EINVAL;
8a978234 1891
64527e8a 1892 for (i = 0; i < count; i++) {
55726dc9 1893 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 1894 size = le32_to_cpu(pcm->size);
55726dc9
ML		 1895
1896 /* check ABI version by size, create a new version of pcm
1897 * if abi not match.
1898 */
5aebe7c7 1899 if (size == sizeof(*pcm)) {
55726dc9
ML		 1900 abi_match = true;
1901 _pcm = pcm;
1902 } else {
1903 abi_match = false;
b3677fc3
AS		 1904 ret = pcm_new_ver(tplg, pcm, &_pcm);
1905 if (ret < 0)
1906 return ret;
06eb49f7
ML		 1907 }
1908
55726dc9 1909 /* create the FE DAIs and DAI links */
a3039aef
DT		 1910 ret = soc_tplg_pcm_create(tplg, _pcm);
1911 if (ret < 0) {
1912 if (!abi_match)
1913 kfree(_pcm);
1914 return ret;
1915 }
55726dc9 1916
717a8e72
ML		 1917 /* offset by version-specific struct size and
1918 * real priv data size
1919 */
5aebe7c7 1920 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 1921
55726dc9
ML		 1922 if (!abi_match)
1923 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1924 }
1925
8a978234 1926 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1927
8a978234 1928 return 0;
8a978234
LG		 1929}
1930
593d9e52
ML		 1931/**
1932 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1933 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1934 * @cfg: physical link configs.
1935 *
1936 * Topology context contains a list of supported HW formats (configs) and
1937 * a default format ID for the physical link. This function will use this
1938 * default ID to choose the HW format to set the link's DAI format for init.
1939 */
1940static void set_link_hw_format(struct snd_soc_dai_link *link,
1941 struct snd_soc_tplg_link_config *cfg)
1942{
1943 struct snd_soc_tplg_hw_config *hw_config;
f026c123 1944 unsigned char bclk_provider, fsync_provider;
593d9e52
ML		 1945 unsigned char invert_bclk, invert_fsync;
1946 int i;
1947
5aebe7c7 1948 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 1949 hw_config = &cfg->hw_config[i];
1950 if (hw_config->id != cfg->default_hw_config_id)
1951 continue;
1952
5aebe7c7
PLB		 1953 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
1954 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 1955
933e1c4a 1956 /* clock gating */
fbeabd09
KM		 1957 switch (hw_config->clock_gated) {
1958 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 1959 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 1960 break;
1961
1962 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 1963 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 1964 break;
1965
1966 default:
1967 /* ignore the value */
1968 break;
1969 }
933e1c4a 1970
593d9e52
ML		 1971 /* clock signal polarity */
1972 invert_bclk = hw_config->invert_bclk;
1973 invert_fsync = hw_config->invert_fsync;
1974 if (!invert_bclk && !invert_fsync)
1975 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1976 else if (!invert_bclk && invert_fsync)
1977 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
1978 else if (invert_bclk && !invert_fsync)
1979 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
1980 else
1981 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
1982
1983 /* clock masters */
f026c123
PLB		 1984 bclk_provider = (hw_config->bclk_provider ==
1985 SND_SOC_TPLG_BCLK_CP);
1986 fsync_provider = (hw_config->fsync_provider ==
1987 SND_SOC_TPLG_FSYNC_CP);
1988 if (bclk_provider && fsync_provider)
1989 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
1990 else if (!bclk_provider && fsync_provider)
1991 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP;
1992 else if (bclk_provider && !fsync_provider)
1993 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC;
593d9e52 1994 else
f026c123 1995 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
593d9e52
ML		 1996 }
1997}
1998
1999/**
2000 * link_new_ver - Create a new physical link config from the old
2001 * version of source.
8abab35f 2002 * @tplg: topology context
593d9e52
ML		 2003 * @src: old version of phyical link config as a source
2004 * @link: latest version of physical link config created from the source
2005 *
ce1f2571 2006 * Support from version 4. User need free the returned link config manually.
593d9e52
ML		 2007 */
2008static int link_new_ver(struct soc_tplg *tplg,
2009 struct snd_soc_tplg_link_config *src,
2010 struct snd_soc_tplg_link_config **link)
2011{
2012 struct snd_soc_tplg_link_config *dest;
2013 struct snd_soc_tplg_link_config_v4 *src_v4;
2014 int i;
2015
2016 *link = NULL;
2017
5aebe7c7
PLB		 2018 if (le32_to_cpu(src->size) !=
2019 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2020 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2021 return -EINVAL;
2022 }
2023
2024 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2025
2026 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2027 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2028 if (!dest)
2029 return -ENOMEM;
2030
5aebe7c7 2031 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2032 dest->id = src_v4->id;
2033 dest->num_streams = src_v4->num_streams;
5aebe7c7 2034 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2035 memcpy(&dest->stream[i], &src_v4->stream[i],
2036 sizeof(struct snd_soc_tplg_stream));
2037
2038 *link = dest;
2039 return 0;
2040}
2041
d6f31e0e
KM		 2042/**
2043 * snd_soc_find_dai_link - Find a DAI link
2044 *
2045 * @card: soc card
2046 * @id: DAI link ID to match
2047 * @name: DAI link name to match, optional
2048 * @stream_name: DAI link stream name to match, optional
2049 *
2050 * This function will search all existing DAI links of the soc card to
2051 * find the link of the same ID. Since DAI links may not have their
2052 * unique ID, so name and stream name should also match if being
2053 * specified.
2054 *
2055 * Return: pointer of DAI link, or NULL if not found.
2056 */
2057static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2058 int id, const char *name,
2059 const char *stream_name)
2060{
2061 struct snd_soc_pcm_runtime *rtd;
d6f31e0e
KM		 2062
2063 for_each_card_rtds(card, rtd) {
b81e8efa 2064 struct snd_soc_dai_link *link = rtd->dai_link;
d6f31e0e
KM		 2065
2066 if (link->id != id)
2067 continue;
2068
2069 if (name && (!link->name || strcmp(name, link->name)))
2070 continue;
2071
2072 if (stream_name && (!link->stream_name
2073 || strcmp(stream_name, link->stream_name)))
2074 continue;
2075
2076 return link;
2077 }
2078
2079 return NULL;
2080}
2081
593d9e52
ML		 2082/* Find and configure an existing physical DAI link */
2083static int soc_tplg_link_config(struct soc_tplg *tplg,
2084 struct snd_soc_tplg_link_config *cfg)
2085{
2086 struct snd_soc_dai_link *link;
2087 const char *name, *stream_name;
dbab1cb8 2088 size_t len;
593d9e52
ML		 2089 int ret;
2090
dbab1cb8
ML		 2091 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2092 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2093 return -EINVAL;
2094 else if (len)
2095 name = cfg->name;
2096 else
2097 name = NULL;
2098
2099 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2100 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2101 return -EINVAL;
2102 else if (len)
2103 stream_name = cfg->stream_name;
2104 else
2105 stream_name = NULL;
593d9e52 2106
5aebe7c7 2107 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2108 name, stream_name);
2109 if (!link) {
2110 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2111 name, cfg->id);
2112 return -EINVAL;
2113 }
2114
2115 /* hw format */
2116 if (cfg->num_hw_configs)
2117 set_link_hw_format(link, cfg);
2118
2119 /* flags */
2120 if (cfg->flag_mask)
5aebe7c7
PLB		 2121 set_link_flags(link,
2122 le32_to_cpu(cfg->flag_mask),
2123 le32_to_cpu(cfg->flags));
593d9e52
ML		 2124
2125 /* pass control to component driver for optional further init */
c60b613a 2126 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2127 if (ret < 0) {
2128 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2129 return ret;
2130 }
2131
adfebb51
B		 2132 /* for unloading it in snd_soc_tplg_component_remove */
2133 link->dobj.index = tplg->index;
2134 link->dobj.ops = tplg->ops;
2135 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2136 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2137
593d9e52
ML		 2138 return 0;
2139}
2140
2141
2142/* Load physical link config elements from the topology context */
2143static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2144 struct snd_soc_tplg_hdr *hdr)
2145{
2146 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2147 int count;
2148 int size;
593d9e52
ML		 2149 int i, ret;
2150 bool abi_match;
2151
5aebe7c7
PLB		 2152 count = le32_to_cpu(hdr->count);
2153
593d9e52
ML		 2154 /* check the element size and count */
2155 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2156 size = le32_to_cpu(link->size);
2157 if (size > sizeof(struct snd_soc_tplg_link_config)
2158 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2159 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2160 size);
593d9e52
ML		 2161 return -EINVAL;
2162 }
2163
3ce57f22 2164 if (soc_tplg_check_elem_count(tplg, size, count,
5aebe7c7 2165 le32_to_cpu(hdr->payload_size),
3ce57f22 2166 "physical link config"))
593d9e52 2167 return -EINVAL;
593d9e52
ML		 2168
2169 /* config physical DAI links */
2170 for (i = 0; i < count; i++) {
2171 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2172 size = le32_to_cpu(link->size);
2173 if (size == sizeof(*link)) {
593d9e52
ML		 2174 abi_match = true;
2175 _link = link;
2176 } else {
2177 abi_match = false;
2178 ret = link_new_ver(tplg, link, &_link);
2179 if (ret < 0)
2180 return ret;
2181 }
2182
2183 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2184 if (ret < 0) {
2185 if (!abi_match)
2186 kfree(_link);
593d9e52 2187 return ret;
2b2d5c4d 2188 }
593d9e52
ML		 2189
2190 /* offset by version-specific struct size and
2191 * real priv data size
2192 */
5aebe7c7 2193 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2194
2195 if (!abi_match)
2196 kfree(_link); /* free the duplicated one */
2197 }
2198
2199 return 0;
2200}
2201
9aa3f034
ML		 2202/**
2203 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2204 * @tplg: topology context
9aa3f034 2205 * @d: physical DAI configs.
0038be9a 2206 *
9aa3f034
ML		 2207 * The physical dai should already be registered by the platform driver.
2208 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2209 */
9aa3f034
ML		 2210static int soc_tplg_dai_config(struct soc_tplg *tplg,
2211 struct snd_soc_tplg_dai *d)
0038be9a 2212{
5aebe7c7 2213 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2214 struct snd_soc_dai *dai;
2215 struct snd_soc_dai_driver *dai_drv;
2216 struct snd_soc_pcm_stream *stream;
2217 struct snd_soc_tplg_stream_caps *caps;
2218 int ret;
2219
5aebe7c7
PLB		 2220 memset(&dai_component, 0, sizeof(dai_component));
2221
9aa3f034 2222 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2223 dai = snd_soc_find_dai(&dai_component);
2224 if (!dai) {
9aa3f034
ML		 2225 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2226 d->dai_name);
0038be9a
ML		 2227 return -EINVAL;
2228 }
2229
5aebe7c7 2230 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2231 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2232 d->dai_name);
0038be9a
ML		 2233 return -EINVAL;
2234 }
2235
2236 dai_drv = dai->driver;
2237 if (!dai_drv)
2238 return -EINVAL;
2239
9aa3f034 2240 if (d->playback) {
0038be9a 2241 stream = &dai_drv->playback;
9aa3f034 2242 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 2243 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2244 if (ret < 0)
2245 goto err;
0038be9a
ML		 2246 }
2247
9aa3f034 2248 if (d->capture) {
0038be9a 2249 stream = &dai_drv->capture;
9aa3f034 2250 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 2251 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2252 if (ret < 0)
2253 goto err;
0038be9a
ML		 2254 }
2255
9aa3f034 2256 if (d->flag_mask)
5aebe7c7
PLB		 2257 set_dai_flags(dai_drv,
2258 le32_to_cpu(d->flag_mask),
2259 le32_to_cpu(d->flags));
0038be9a
ML		 2260
2261 /* pass control to component driver for optional further init */
c60b613a 2262 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a 2263 if (ret < 0) {
e59db12b 2264 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 2265 goto err;
0038be9a
ML		 2266 }
2267
2268 return 0;
abc3caac
AS		 2269
2270err:
abc3caac 2271 return ret;
0038be9a
ML		 2272}
2273
9aa3f034
ML		 2274/* load physical DAI elements */
2275static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2276 struct snd_soc_tplg_hdr *hdr)
0038be9a 2277{
5aebe7c7 2278 int count;
65a4cfdd 2279 int i;
0038be9a 2280
5aebe7c7
PLB		 2281 count = le32_to_cpu(hdr->count);
2282
0038be9a
ML		 2283 /* config the existing BE DAIs */
2284 for (i = 0; i < count; i++) {
65a4cfdd
KM		 2285 struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos;
2286 int ret;
2287
5aebe7c7 2288 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2289 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2290 return -EINVAL;
2291 }
2292
dd8e871d
AS		 2293 ret = soc_tplg_dai_config(tplg, dai);
2294 if (ret < 0) {
2295 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2296 return ret;
2297 }
2298
5aebe7c7 2299 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2300 }
2301
2302 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2303 return 0;
2304}
2305
583958fa
ML		 2306/**
2307 * manifest_new_ver - Create a new version of manifest from the old version
2308 * of source.
8abab35f 2309 * @tplg: topology context
583958fa
ML		 2310 * @src: old version of manifest as a source
2311 * @manifest: latest version of manifest created from the source
2312 *
ce1f2571 2313 * Support from version 4. Users need free the returned manifest manually.
583958fa
ML		 2314 */
2315static int manifest_new_ver(struct soc_tplg *tplg,
2316 struct snd_soc_tplg_manifest *src,
2317 struct snd_soc_tplg_manifest **manifest)
2318{
2319 struct snd_soc_tplg_manifest *dest;
2320 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2321 int size;
583958fa
ML		 2322
2323 *manifest = NULL;
2324
5aebe7c7
PLB		 2325 size = le32_to_cpu(src->size);
2326 if (size != sizeof(*src_v4)) {
ac9391da 2327 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2328 size);
2329 if (size)
ac9391da 2330 return -EINVAL;
5aebe7c7 2331 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2332 }
2333
2334 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2335
2336 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2337 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2338 GFP_KERNEL);
583958fa
ML		 2339 if (!dest)
2340 return -ENOMEM;
2341
5aebe7c7 2342 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2343 dest->control_elems = src_v4->control_elems;
2344 dest->widget_elems = src_v4->widget_elems;
2345 dest->graph_elems = src_v4->graph_elems;
2346 dest->pcm_elems = src_v4->pcm_elems;
2347 dest->dai_link_elems = src_v4->dai_link_elems;
2348 dest->priv.size = src_v4->priv.size;
2349 if (dest->priv.size)
2350 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2351 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2352
2353 *manifest = dest;
2354 return 0;
2355}
0038be9a 2356
8a978234 2357static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2358 struct snd_soc_tplg_hdr *hdr)
8a978234 2359{
583958fa
ML		 2360 struct snd_soc_tplg_manifest *manifest, *_manifest;
2361 bool abi_match;
242c46c0 2362 int ret = 0;
8a978234 2363
8a978234 2364 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2365
583958fa 2366 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2367 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2368 abi_match = true;
2369 _manifest = manifest;
2370 } else {
2371 abi_match = false;
86e2d14b 2372
242c46c0
DT		 2373 ret = manifest_new_ver(tplg, manifest, &_manifest);
2374 if (ret < 0)
2375 return ret;
583958fa 2376 }
8a978234 2377
583958fa 2378 /* pass control to component driver for optional further init */
c42464a4 2379 if (tplg->ops && tplg->ops->manifest)
242c46c0 2380 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2381
2382 if (!abi_match) /* free the duplicated one */
2383 kfree(_manifest);
8a978234 2384
242c46c0 2385 return ret;
8a978234
LG		 2386}
2387
2388/* validate header magic, size and type */
23e591dc 2389static int soc_tplg_valid_header(struct soc_tplg *tplg,
8a978234
LG		 2390 struct snd_soc_tplg_hdr *hdr)
2391{
2392 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2393 return 0;
2394
5aebe7c7 2395 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2396 dev_err(tplg->dev,
2397 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2398 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2399 tplg->fw->size);
2400 return -EINVAL;
2401 }
2402
c5d184c9 2403 if (soc_tplg_get_hdr_offset(tplg) + le32_to_cpu(hdr->payload_size) >= tplg->fw->size) {
86e2d14b
CR		 2404 dev_err(tplg->dev,
2405 "ASoC: invalid header of type %d at offset %ld payload_size %d\n",
2406 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
2407 hdr->payload_size);
2408 return -EINVAL;
2409 }
2410
8a978234 2411 /* big endian firmware objects not supported atm */
26d87881 2412 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2413 dev_err(tplg->dev,
2414 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2415 tplg->pass, hdr->magic,
2416 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2417 return -EINVAL;
2418 }
2419
5aebe7c7 2420 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2421 dev_err(tplg->dev,
2422 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2423 tplg->pass, hdr->magic,
2424 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2425 return -EINVAL;
2426 }
2427
288b8da7 2428 /* Support ABI from version 4 */
5aebe7c7
PLB		 2429 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2430 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2431 dev_err(tplg->dev,
2432 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2433 tplg->pass, hdr->abi,
2434 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2435 tplg->fw->size);
2436 return -EINVAL;
2437 }
2438
2439 if (hdr->payload_size == 0) {
2440 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2441 soc_tplg_get_hdr_offset(tplg));
2442 return -EINVAL;
2443 }
2444
8a978234
LG		 2445 return 1;
2446}
2447
2448/* check header type and call appropriate handler */
2449static int soc_tplg_load_header(struct soc_tplg *tplg,
2450 struct snd_soc_tplg_hdr *hdr)
2451{
82ed7418
KJ		 2452 int (*elem_load)(struct soc_tplg *tplg,
2453 struct snd_soc_tplg_hdr *hdr);
2454 unsigned int hdr_pass;
2455
8a978234
LG		 2456 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2457
5aebe7c7 2458 tplg->index = le32_to_cpu(hdr->index);
8a978234 2459
5aebe7c7 2460 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2461 case SND_SOC_TPLG_TYPE_MIXER:
2462 case SND_SOC_TPLG_TYPE_ENUM:
2463 case SND_SOC_TPLG_TYPE_BYTES:
5e2cd47a 2464 hdr_pass = SOC_TPLG_PASS_CONTROL;
82ed7418
KJ		 2465 elem_load = soc_tplg_kcontrol_elems_load;
2466 break;
8a978234 2467 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2468 hdr_pass = SOC_TPLG_PASS_GRAPH;
2469 elem_load = soc_tplg_dapm_graph_elems_load;
2470 break;
8a978234 2471 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2472 hdr_pass = SOC_TPLG_PASS_WIDGET;
2473 elem_load = soc_tplg_dapm_widget_elems_load;
2474 break;
8a978234 2475 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2476 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2477 elem_load = soc_tplg_pcm_elems_load;
2478 break;
3fbf7935 2479 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2480 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2481 elem_load = soc_tplg_dai_elems_load;
2482 break;
593d9e52
ML		 2483 case SND_SOC_TPLG_TYPE_DAI_LINK:
2484 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2485 /* physical link configurations */
82ed7418
KJ		 2486 hdr_pass = SOC_TPLG_PASS_LINK;
2487 elem_load = soc_tplg_link_elems_load;
2488 break;
8a978234 2489 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2490 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2491 elem_load = soc_tplg_manifest_load;
2492 break;
8a978234
LG		 2493 default:
2494 /* bespoke vendor data object */
82ed7418
KJ		 2495 hdr_pass = SOC_TPLG_PASS_VENDOR;
2496 elem_load = soc_tplg_vendor_load;
2497 break;
2498 }
2499
2500 if (tplg->pass == hdr_pass) {
2501 dev_dbg(tplg->dev,
2502 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2503 hdr->payload_size, hdr->type, hdr->version,
2504 hdr->vendor_type, tplg->pass);
2505 return elem_load(tplg, hdr);
8a978234
LG		 2506 }
2507
2508 return 0;
2509}
2510
2511/* process the topology file headers */
2512static int soc_tplg_process_headers(struct soc_tplg *tplg)
2513{
8a978234
LG		 2514 int ret;
2515
8a978234 2516 /* process the header types from start to end */
395f8fd6 2517 for (tplg->pass = SOC_TPLG_PASS_START; tplg->pass <= SOC_TPLG_PASS_END; tplg->pass++) {
f79e4b2a 2518 struct snd_soc_tplg_hdr *hdr;
8a978234
LG		 2519
2520 tplg->hdr_pos = tplg->fw->data;
2521 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2522
2523 while (!soc_tplg_is_eof(tplg)) {
2524
2525 /* make sure header is valid before loading */
23e591dc 2526 ret = soc_tplg_valid_header(tplg, hdr);
8bf9475f
PLB		 2527 if (ret < 0) {
2528 dev_err(tplg->dev,
2529 "ASoC: topology: invalid header: %d\n", ret);
8a978234 2530 return ret;
8bf9475f 2531 } else if (ret == 0) {
8a978234 2532 break;
8bf9475f 2533 }
8a978234
LG		 2534
2535 /* load the header object */
2536 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f
PLB		 2537 if (ret < 0) {
2538 dev_err(tplg->dev,
2539 "ASoC: topology: could not load header: %d\n", ret);
8a978234 2540 return ret;
8bf9475f 2541 }
8a978234
LG		 2542
2543 /* goto next header */
5aebe7c7 2544 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2545 sizeof(struct snd_soc_tplg_hdr);
2546 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2547 }
2548
8a978234
LG		 2549 }
2550
2551 /* signal DAPM we are complete */
2552 ret = soc_tplg_dapm_complete(tplg);
2553 if (ret < 0)
2554 dev_err(tplg->dev,
2555 "ASoC: failed to initialise DAPM from Firmware\n");
2556
2557 return ret;
2558}
2559
2560static int soc_tplg_load(struct soc_tplg *tplg)
2561{
2562 int ret;
2563
2564 ret = soc_tplg_process_headers(tplg);
2565 if (ret == 0)
415717e1 2566 return soc_tplg_complete(tplg);
8a978234
LG		 2567
2568 return ret;
2569}
2570
2571/* load audio component topology from "firmware" file */
2572int snd_soc_tplg_component_load(struct snd_soc_component *comp,
a5b8f71c 2573 struct snd_soc_tplg_ops *ops, const struct firmware *fw)
8a978234
LG		 2574{
2575 struct soc_tplg tplg;
304017d3 2576 int ret;
8a978234 2577
d40ab86f
AS		 2578 /*
2579 * check if we have sane parameters:
2580 * comp - needs to exist to keep and reference data while parsing
d40ab86f 2581 * comp->card - used for setting card related parameters
f714fbc1 2582 * comp->card->dev - used for resource management and prints
d40ab86f
AS		 2583 * fw - we need it, as it is the very thing we parse
2584 */
f714fbc1 2585 if (!comp || !comp->card || !comp->card->dev || !fw)
c42464a4 2586 return -EINVAL;
8a978234
LG		 2587
2588 /* setup parsing context */
2589 memset(&tplg, 0, sizeof(tplg));
2590 tplg.fw = fw;
f714fbc1 2591 tplg.dev = comp->card->dev;
8a978234 2592 tplg.comp = comp;
9c88a983
AS		 2593 if (ops) {
2594 tplg.ops = ops;
2595 tplg.io_ops = ops->io_ops;
2596 tplg.io_ops_count = ops->io_ops_count;
2597 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2598 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2599 }
8a978234 2600
304017d3
B		 2601 ret = soc_tplg_load(&tplg);
2602 /* free the created components if fail to load topology */
2603 if (ret)
a5b8f71c 2604 snd_soc_tplg_component_remove(comp);
304017d3
B		 2605
2606 return ret;
8a978234
LG		 2607}
2608EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2609
8a978234 2610/* remove dynamic controls from the component driver */
a5b8f71c 2611int snd_soc_tplg_component_remove(struct snd_soc_component *comp)
8a978234 2612{
7e567b5a 2613 struct snd_card *card = comp->card->snd_card;
8a978234 2614 struct snd_soc_dobj *dobj, *next_dobj;
395f8fd6 2615 int pass;
8a978234
LG		 2616
2617 /* process the header types from end to start */
395f8fd6 2618 for (pass = SOC_TPLG_PASS_END; pass >= SOC_TPLG_PASS_START; pass--) {
8a978234
LG		 2619
2620 /* remove mixer controls */
7e567b5a 2621 down_write(&card->controls_rwsem);
8a978234
LG		 2622 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2623 list) {
2624
8a978234
LG		 2625 switch (dobj->type) {
2626 case SND_SOC_DOBJ_MIXER:
2abfd4bd 2627 soc_tplg_remove_mixer(comp, dobj, pass);
8a978234
LG		 2628 break;
2629 case SND_SOC_DOBJ_ENUM:
2abfd4bd 2630 soc_tplg_remove_enum(comp, dobj, pass);
8a978234
LG		 2631 break;
2632 case SND_SOC_DOBJ_BYTES:
2abfd4bd 2633 soc_tplg_remove_bytes(comp, dobj, pass);
8a978234 2634 break;
7df04ea7 2635 case SND_SOC_DOBJ_GRAPH:
2abfd4bd 2636 soc_tplg_remove_route(comp, dobj, pass);
7df04ea7 2637 break;
8a978234 2638 case SND_SOC_DOBJ_WIDGET:
2abfd4bd 2639 soc_tplg_remove_widget(comp, dobj, pass);
8a978234
LG		 2640 break;
2641 case SND_SOC_DOBJ_PCM:
2abfd4bd 2642 soc_tplg_remove_dai(comp, dobj, pass);
8a978234 2643 break;
acfc7d46 2644 case SND_SOC_DOBJ_DAI_LINK:
2abfd4bd 2645 soc_tplg_remove_link(comp, dobj, pass);
acfc7d46 2646 break;
adfebb51
B		 2647 case SND_SOC_DOBJ_BACKEND_LINK:
2648 /*
2649 * call link_unload ops if extra
2650 * deinitialization is needed.
2651 */
2652 remove_backend_link(comp, dobj, pass);
2653 break;
8a978234
LG		 2654 default:
2655 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2656 dobj->type);
2657 break;
2658 }
2659 }
7e567b5a 2660 up_write(&card->controls_rwsem);
8a978234
LG		 2661 }
2662
2663 /* let caller know if FW can be freed when no objects are left */
2664 return !list_empty(&comp->dobj_list);
2665}
2666EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)