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ASoC: max98390: Fix potential crash during param fw loading
[linux-2.6-block.git] / sound / soc / soc-topology.c
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f2b6a1b2
KM		 1// SPDX-License-Identifier: GPL-2.0+
2//
3// soc-topology.c -- ALSA SoC Topology
4//
5// Copyright (C) 2012 Texas Instruments Inc.
6// Copyright (C) 2015 Intel Corporation.
7//
8// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9// K, Mythri P <mythri.p.k@intel.com>
10// Prusty, Subhransu S <subhransu.s.prusty@intel.com>
11// B, Jayachandran <jayachandran.b@intel.com>
12// Abdullah, Omair M <omair.m.abdullah@intel.com>
13// Jin, Yao <yao.jin@intel.com>
14// Lin, Mengdong <mengdong.lin@intel.com>
15//
16// Add support to read audio firmware topology alongside firmware text. The
17// topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
18// equalizers, firmware, coefficients etc.
19//
20// This file only manages the core ALSA and ASoC components, all other bespoke
21// firmware topology data is passed to component drivers for bespoke handling.
8a978234
LG		 22
23#include <linux/kernel.h>
24#include <linux/export.h>
25#include <linux/list.h>
26#include <linux/firmware.h>
27#include <linux/slab.h>
28#include <sound/soc.h>
29#include <sound/soc-dapm.h>
30#include <sound/soc-topology.h>
28a87eeb 31#include <sound/tlv.h>
8a978234 32
2114171d
PLB		 33#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
34
8a978234
LG		 35/*
36 * We make several passes over the data (since it wont necessarily be ordered)
37 * and process objects in the following order. This guarantees the component
38 * drivers will be ready with any vendor data before the mixers and DAPM objects
39 * are loaded (that may make use of the vendor data).
40 */
41#define SOC_TPLG_PASS_MANIFEST 0
42#define SOC_TPLG_PASS_VENDOR 1
43#define SOC_TPLG_PASS_MIXER 2
44#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 45#define SOC_TPLG_PASS_PCM_DAI 4
46#define SOC_TPLG_PASS_GRAPH 5
47#define SOC_TPLG_PASS_PINS 6
0038be9a 48#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 49#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 50
51#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 52#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 53
583958fa 54/* topology context */
8a978234
LG		 55struct soc_tplg {
56 const struct firmware *fw;
57
58 /* runtime FW parsing */
59 const u8 *pos; /* read postion */
60 const u8 *hdr_pos; /* header position */
61 unsigned int pass; /* pass number */
62
63 /* component caller */
64 struct device *dev;
65 struct snd_soc_component *comp;
66 u32 index; /* current block index */
67 u32 req_index; /* required index, only loaded/free matching blocks */
68
88a17d8f 69 /* vendor specific kcontrol operations */
8a978234
LG		 70 const struct snd_soc_tplg_kcontrol_ops *io_ops;
71 int io_ops_count;
72
1a3232d2
ML		 73 /* vendor specific bytes ext handlers, for TLV bytes controls */
74 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
75 int bytes_ext_ops_count;
76
8a978234
LG		 77 /* optional fw loading callbacks to component drivers */
78 struct snd_soc_tplg_ops *ops;
79};
80
81static int soc_tplg_process_headers(struct soc_tplg *tplg);
82static void soc_tplg_complete(struct soc_tplg *tplg);
3cde818c
AS		 83static void soc_tplg_denum_remove_texts(struct soc_enum *se);
84static void soc_tplg_denum_remove_values(struct soc_enum *se);
8a978234
LG		 85
86/* check we dont overflow the data for this control chunk */
87static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
88 unsigned int count, size_t bytes, const char *elem_type)
89{
90 const u8 *end = tplg->pos + elem_size * count;
91
92 if (end > tplg->fw->data + tplg->fw->size) {
93 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
94 elem_type);
95 return -EINVAL;
96 }
97
98 /* check there is enough room in chunk for control.
99 extra bytes at the end of control are for vendor data here */
100 if (elem_size * count > bytes) {
101 dev_err(tplg->dev,
102 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
103 elem_type, count, elem_size, bytes);
104 return -EINVAL;
105 }
106
107 return 0;
108}
109
110static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
111{
112 const u8 *end = tplg->hdr_pos;
113
114 if (end >= tplg->fw->data + tplg->fw->size)
115 return 1;
116 return 0;
117}
118
119static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
120{
121 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
122}
123
124static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
125{
126 return (unsigned long)(tplg->pos - tplg->fw->data);
127}
128
129/* mapping of Kcontrol types and associated operations. */
130static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
131 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
132 snd_soc_put_volsw, snd_soc_info_volsw},
133 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
134 snd_soc_put_volsw_sx, NULL},
135 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
136 snd_soc_put_enum_double, snd_soc_info_enum_double},
137 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, NULL},
139 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
140 snd_soc_bytes_put, snd_soc_bytes_info},
141 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
142 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
143 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
144 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
145 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
146 snd_soc_put_strobe, NULL},
147 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 148 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 149 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
150 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
151 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, NULL},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
156 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
157};
158
159struct soc_tplg_map {
160 int uid;
161 int kid;
162};
163
164/* mapping of widget types from UAPI IDs to kernel IDs */
165static const struct soc_tplg_map dapm_map[] = {
166 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
167 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
168 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
169 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
170 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
171 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
172 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
173 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
174 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
175 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
176 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
177 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
178 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
179 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
180 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
181 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 182 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
183 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
184 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
185 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
186 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
187 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
188 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
189 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 190};
191
192static int tplc_chan_get_reg(struct soc_tplg *tplg,
193 struct snd_soc_tplg_channel *chan, int map)
194{
195 int i;
196
197 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 198 if (le32_to_cpu(chan[i].id) == map)
199 return le32_to_cpu(chan[i].reg);
8a978234
LG		 200 }
201
202 return -EINVAL;
203}
204
205static int tplc_chan_get_shift(struct soc_tplg *tplg,
206 struct snd_soc_tplg_channel *chan, int map)
207{
208 int i;
209
210 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 211 if (le32_to_cpu(chan[i].id) == map)
212 return le32_to_cpu(chan[i].shift);
8a978234
LG		 213 }
214
215 return -EINVAL;
216}
217
218static int get_widget_id(int tplg_type)
219{
220 int i;
221
222 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
223 if (tplg_type == dapm_map[i].uid)
224 return dapm_map[i].kid;
225 }
226
227 return -EINVAL;
228}
229
8a978234
LG		 230static inline void soc_bind_err(struct soc_tplg *tplg,
231 struct snd_soc_tplg_ctl_hdr *hdr, int index)
232{
233 dev_err(tplg->dev,
234 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
235 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
236 soc_tplg_get_offset(tplg));
237}
238
239static inline void soc_control_err(struct soc_tplg *tplg,
240 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
241{
242 dev_err(tplg->dev,
243 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
244 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
245 soc_tplg_get_offset(tplg));
246}
247
248/* pass vendor data to component driver for processing */
c2cbd0a7
KJ		 249static int soc_tplg_vendor_load(struct soc_tplg *tplg,
250 struct snd_soc_tplg_hdr *hdr)
8a978234
LG		 251{
252 int ret = 0;
253
c42464a4 254 if (tplg->ops && tplg->ops->vendor_load)
c60b613a 255 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 256 else {
257 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
258 hdr->vendor_type);
259 return -EINVAL;
260 }
261
262 if (ret < 0)
263 dev_err(tplg->dev,
264 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
265 soc_tplg_get_hdr_offset(tplg),
266 soc_tplg_get_hdr_offset(tplg),
267 hdr->type, hdr->vendor_type);
268 return ret;
269}
270
8a978234
LG		 271/* optionally pass new dynamic widget to component driver. This is mainly for
272 * external widgets where we can assign private data/ops */
273static int soc_tplg_widget_load(struct soc_tplg *tplg,
274 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
275{
c42464a4 276 if (tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 277 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
278 tplg_w);
8a978234
LG		 279
280 return 0;
281}
282
ebd259d3
LG		 283/* optionally pass new dynamic widget to component driver. This is mainly for
284 * external widgets where we can assign private data/ops */
285static int soc_tplg_widget_ready(struct soc_tplg *tplg,
286 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
287{
c42464a4 288 if (tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 289 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
290 tplg_w);
ebd259d3
LG		 291
292 return 0;
293}
294
183b8021 295/* pass DAI configurations to component driver for extra initialization */
64527e8a 296static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 297 struct snd_soc_dai_driver *dai_drv,
298 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 299{
c42464a4 300 if (tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 301 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
302 pcm, dai);
8a978234
LG		 303
304 return 0;
305}
306
183b8021 307/* pass link configurations to component driver for extra initialization */
acfc7d46 308static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 309 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46 310{
c42464a4 311 if (tplg->ops && tplg->ops->link_load)
c60b613a 312 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 313
314 return 0;
315}
316
8a978234
LG		 317/* tell the component driver that all firmware has been loaded in this request */
318static void soc_tplg_complete(struct soc_tplg *tplg)
319{
c42464a4 320 if (tplg->ops && tplg->ops->complete)
8a978234
LG		 321 tplg->ops->complete(tplg->comp);
322}
323
324/* add a dynamic kcontrol */
325static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
326 const struct snd_kcontrol_new *control_new, const char *prefix,
327 void *data, struct snd_kcontrol **kcontrol)
328{
329 int err;
330
331 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
332 if (*kcontrol == NULL) {
333 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
334 control_new->name);
335 return -ENOMEM;
336 }
337
338 err = snd_ctl_add(card, *kcontrol);
339 if (err < 0) {
340 dev_err(dev, "ASoC: Failed to add %s: %d\n",
341 control_new->name, err);
342 return err;
343 }
344
345 return 0;
346}
347
348/* add a dynamic kcontrol for component driver */
349static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
350 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
351{
352 struct snd_soc_component *comp = tplg->comp;
353
354 return soc_tplg_add_dcontrol(comp->card->snd_card,
abca9e4a 355 comp->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 356}
357
358/* remove a mixer kcontrol */
359static void remove_mixer(struct snd_soc_component *comp,
360 struct snd_soc_dobj *dobj, int pass)
361{
362 struct snd_card *card = comp->card->snd_card;
363 struct soc_mixer_control *sm =
364 container_of(dobj, struct soc_mixer_control, dobj);
365 const unsigned int *p = NULL;
366
367 if (pass != SOC_TPLG_PASS_MIXER)
368 return;
369
370 if (dobj->ops && dobj->ops->control_unload)
371 dobj->ops->control_unload(comp, dobj);
372
33ae6ae2
AS		 373 if (dobj->control.kcontrol->tlv.p)
374 p = dobj->control.kcontrol->tlv.p;
375 snd_ctl_remove(card, dobj->control.kcontrol);
376 list_del(&dobj->list);
8a978234
LG		 377 kfree(sm);
378 kfree(p);
379}
380
381/* remove an enum kcontrol */
382static void remove_enum(struct snd_soc_component *comp,
383 struct snd_soc_dobj *dobj, int pass)
384{
385 struct snd_card *card = comp->card->snd_card;
386 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
8a978234
LG		 387
388 if (pass != SOC_TPLG_PASS_MIXER)
389 return;
390
391 if (dobj->ops && dobj->ops->control_unload)
392 dobj->ops->control_unload(comp, dobj);
393
33ae6ae2
AS		 394 snd_ctl_remove(card, dobj->control.kcontrol);
395 list_del(&dobj->list);
8a978234 396
3cde818c
AS		 397 soc_tplg_denum_remove_values(se);
398 soc_tplg_denum_remove_texts(se);
8a978234
LG		 399 kfree(se);
400}
401
402/* remove a byte kcontrol */
403static void remove_bytes(struct snd_soc_component *comp,
404 struct snd_soc_dobj *dobj, int pass)
405{
406 struct snd_card *card = comp->card->snd_card;
407 struct soc_bytes_ext *sb =
408 container_of(dobj, struct soc_bytes_ext, dobj);
409
410 if (pass != SOC_TPLG_PASS_MIXER)
411 return;
412
413 if (dobj->ops && dobj->ops->control_unload)
414 dobj->ops->control_unload(comp, dobj);
415
33ae6ae2
AS		 416 snd_ctl_remove(card, dobj->control.kcontrol);
417 list_del(&dobj->list);
8a978234
LG		 418 kfree(sb);
419}
420
7df04ea7
RS		 421/* remove a route */
422static void remove_route(struct snd_soc_component *comp,
423 struct snd_soc_dobj *dobj, int pass)
424{
425 struct snd_soc_dapm_route *route =
426 container_of(dobj, struct snd_soc_dapm_route, dobj);
427
428 if (pass != SOC_TPLG_PASS_GRAPH)
429 return;
430
431 if (dobj->ops && dobj->ops->dapm_route_unload)
432 dobj->ops->dapm_route_unload(comp, dobj);
433
434 list_del(&dobj->list);
435 kfree(route);
436}
437
8a978234
LG		 438/* remove a widget and it's kcontrols - routes must be removed first */
439static void remove_widget(struct snd_soc_component *comp,
440 struct snd_soc_dobj *dobj, int pass)
441{
442 struct snd_card *card = comp->card->snd_card;
443 struct snd_soc_dapm_widget *w =
444 container_of(dobj, struct snd_soc_dapm_widget, dobj);
445 int i;
446
447 if (pass != SOC_TPLG_PASS_WIDGET)
448 return;
449
450 if (dobj->ops && dobj->ops->widget_unload)
451 dobj->ops->widget_unload(comp, dobj);
452
05bdcf12
LG		 453 if (!w->kcontrols)
454 goto free_news;
455
8a978234 456 /*
1a7dd6e2 457 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
8a978234
LG		 458 * The enum may either have an array of values or strings.
459 */
eea3dd4f 460 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
8a978234 461 /* enumerated widget mixer */
f53c4c20 462 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
1a7dd6e2
ML		 463 struct snd_kcontrol *kcontrol = w->kcontrols[i];
464 struct soc_enum *se =
465 (struct soc_enum *)kcontrol->private_value;
8a978234 466
1a7dd6e2 467 snd_ctl_remove(card, kcontrol);
8a978234 468
54f8844e 469 /* free enum kcontrol's dvalues and dtexts */
3cde818c
AS		 470 soc_tplg_denum_remove_values(se);
471 soc_tplg_denum_remove_texts(se);
8a978234 472
1a7dd6e2 473 kfree(se);
267e2c6f 474 kfree(w->kcontrol_news[i].name);
1a7dd6e2 475 }
8a978234 476 } else {
eea3dd4f 477 /* volume mixer or bytes controls */
f53c4c20 478 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
8a978234 479 struct snd_kcontrol *kcontrol = w->kcontrols[i];
8a978234 480
eea3dd4f
ML		 481 if (dobj->widget.kcontrol_type
482 == SND_SOC_TPLG_TYPE_MIXER)
483 kfree(kcontrol->tlv.p);
8a978234 484
eea3dd4f
ML		 485 /* Private value is used as struct soc_mixer_control
486 * for volume mixers or soc_bytes_ext for bytes
487 * controls.
488 */
489 kfree((void *)kcontrol->private_value);
c2b36129 490 snd_ctl_remove(card, kcontrol);
267e2c6f 491 kfree(w->kcontrol_news[i].name);
8a978234 492 }
8a978234 493 }
05bdcf12
LG		 494
495free_news:
496 kfree(w->kcontrol_news);
497
a46e8393
AS		 498 list_del(&dobj->list);
499
8a978234
LG		 500 /* widget w is freed by soc-dapm.c */
501}
502
64527e8a
ML		 503/* remove DAI configurations */
504static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 505 struct snd_soc_dobj *dobj, int pass)
506{
64527e8a
ML		 507 struct snd_soc_dai_driver *dai_drv =
508 container_of(dobj, struct snd_soc_dai_driver, dobj);
52abe6cc 509 struct snd_soc_dai *dai;
64527e8a 510
8a978234
LG		 511 if (pass != SOC_TPLG_PASS_PCM_DAI)
512 return;
513
64527e8a
ML		 514 if (dobj->ops && dobj->ops->dai_unload)
515 dobj->ops->dai_unload(comp, dobj);
8a978234 516
43ca5dab 517 for_each_component_dais(comp, dai)
52abe6cc
GL		 518 if (dai->driver == dai_drv)
519 dai->driver = NULL;
520
7b6f68a4
B		 521 kfree(dai_drv->playback.stream_name);
522 kfree(dai_drv->capture.stream_name);
8f27c4ab 523 kfree(dai_drv->name);
8a978234 524 list_del(&dobj->list);
64527e8a 525 kfree(dai_drv);
8a978234
LG		 526}
527
acfc7d46
ML		 528/* remove link configurations */
529static void remove_link(struct snd_soc_component *comp,
530 struct snd_soc_dobj *dobj, int pass)
531{
532 struct snd_soc_dai_link *link =
533 container_of(dobj, struct snd_soc_dai_link, dobj);
534
535 if (pass != SOC_TPLG_PASS_PCM_DAI)
536 return;
537
538 if (dobj->ops && dobj->ops->link_unload)
539 dobj->ops->link_unload(comp, dobj);
540
dd836ddf 541 list_del(&dobj->list);
50cd9b53
KM		 542 snd_soc_remove_pcm_runtime(comp->card,
543 snd_soc_get_pcm_runtime(comp->card, link));
dd836ddf 544
8f27c4ab
ML		 545 kfree(link->name);
546 kfree(link->stream_name);
23b946ce 547 kfree(link->cpus->dai_name);
acfc7d46
ML		 548 kfree(link);
549}
550
adfebb51
B		 551/* unload dai link */
552static void remove_backend_link(struct snd_soc_component *comp,
553 struct snd_soc_dobj *dobj, int pass)
554{
555 if (pass != SOC_TPLG_PASS_LINK)
556 return;
557
558 if (dobj->ops && dobj->ops->link_unload)
559 dobj->ops->link_unload(comp, dobj);
560
561 /*
562 * We don't free the link here as what remove_link() do since BE
563 * links are not allocated by topology.
564 * We however need to reset the dobj type to its initial values
565 */
566 dobj->type = SND_SOC_DOBJ_NONE;
567 list_del(&dobj->list);
568}
569
8a978234
LG		 570/* bind a kcontrol to it's IO handlers */
571static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
572 struct snd_kcontrol_new *k,
2b5cdb91 573 const struct soc_tplg *tplg)
8a978234 574{
2b5cdb91 575 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 576 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 577 int num_ops, i;
8a978234 578
5aebe7c7 579 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2
ML		 580 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
581 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
582 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
583 struct soc_bytes_ext *sbe;
584 struct snd_soc_tplg_bytes_control *be;
585
586 sbe = (struct soc_bytes_ext *)k->private_value;
587 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
588
589 /* TLV bytes controls need standard kcontrol info handler,
590 * TLV callback and extended put/get handlers.
591 */
f4be978b 592 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 593 k->tlv.c = snd_soc_bytes_tlv_callback;
594
595 ext_ops = tplg->bytes_ext_ops;
596 num_ops = tplg->bytes_ext_ops_count;
597 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 598 if (!sbe->put &&
599 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 600 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 601 if (!sbe->get &&
602 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 603 sbe->get = ext_ops[i].get;
604 }
605
606 if (sbe->put && sbe->get)
607 return 0;
608 else
609 return -EINVAL;
610 }
8a978234 611
88a17d8f 612 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 613 ops = tplg->io_ops;
614 num_ops = tplg->io_ops_count;
8a978234
LG		 615 for (i = 0; i < num_ops; i++) {
616
72bbeda0 617 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 618 k->put = ops[i].put;
72bbeda0 619 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 620 k->get = ops[i].get;
72bbeda0 621 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 622 k->info = ops[i].info;
623 }
624
88a17d8f 625 /* vendor specific handlers found ? */
8a978234
LG		 626 if (k->put && k->get && k->info)
627 return 0;
628
88a17d8f 629 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 630 ops = io_ops;
631 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 632 for (i = 0; i < num_ops; i++) {
8a978234 633
72bbeda0 634 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 635 k->put = ops[i].put;
72bbeda0 636 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 637 k->get = ops[i].get;
72bbeda0 638 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 639 k->info = ops[i].info;
8a978234
LG		 640 }
641
88a17d8f 642 /* standard handlers found ? */
8a978234
LG		 643 if (k->put && k->get && k->info)
644 return 0;
645
646 /* nothing to bind */
647 return -EINVAL;
648}
649
650/* bind a widgets to it's evnt handlers */
651int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
652 const struct snd_soc_tplg_widget_events *events,
653 int num_events, u16 event_type)
654{
655 int i;
656
657 w->event = NULL;
658
659 for (i = 0; i < num_events; i++) {
660 if (event_type == events[i].type) {
661
662 /* found - so assign event */
663 w->event = events[i].event_handler;
664 return 0;
665 }
666 }
667
668 /* not found */
669 return -EINVAL;
670}
671EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
672
673/* optionally pass new dynamic kcontrol to component driver. */
674static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
675 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
676{
c42464a4 677 if (tplg->ops && tplg->ops->control_load)
c60b613a
LG		 678 return tplg->ops->control_load(tplg->comp, tplg->index, k,
679 hdr);
8a978234
LG		 680
681 return 0;
682}
683
8a978234 684
28a87eeb
ML		 685static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
686 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
687{
688 unsigned int item_len = 2 * sizeof(unsigned int);
689 unsigned int *p;
8a978234 690
28a87eeb
ML		 691 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
692 if (!p)
8a978234
LG		 693 return -ENOMEM;
694
28a87eeb
ML		 695 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
696 p[1] = item_len;
5aebe7c7
PLB		 697 p[2] = le32_to_cpu(scale->min);
698 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
699 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 700
701 kc->tlv.p = (void *)p;
702 return 0;
703}
704
705static int soc_tplg_create_tlv(struct soc_tplg *tplg,
706 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
707{
708 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 709 u32 access = le32_to_cpu(tc->access);
28a87eeb 710
5aebe7c7 711 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 712 return 0;
8a978234 713
5aebe7c7 714 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 715 tplg_tlv = &tc->tlv;
5aebe7c7 716 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 717 case SNDRV_CTL_TLVT_DB_SCALE:
718 return soc_tplg_create_tlv_db_scale(tplg, kc,
719 &tplg_tlv->scale);
720
721 /* TODO: add support for other TLV types */
722 default:
723 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
724 tplg_tlv->type);
725 return -EINVAL;
726 }
727 }
8a978234
LG		 728
729 return 0;
730}
731
732static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
733 struct snd_kcontrol_new *kc)
734{
735 kfree(kc->tlv.p);
736}
737
738static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
739 size_t size)
740{
741 struct snd_soc_tplg_bytes_control *be;
742 struct soc_bytes_ext *sbe;
743 struct snd_kcontrol_new kc;
744 int i, err;
745
746 if (soc_tplg_check_elem_count(tplg,
747 sizeof(struct snd_soc_tplg_bytes_control), count,
748 size, "mixer bytes")) {
749 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
750 count);
751 return -EINVAL;
752 }
753
754 for (i = 0; i < count; i++) {
755 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
756
757 /* validate kcontrol */
758 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
759 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
760 return -EINVAL;
761
762 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
763 if (sbe == NULL)
764 return -ENOMEM;
765
766 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 767 le32_to_cpu(be->priv.size));
8a978234
LG		 768
769 dev_dbg(tplg->dev,
770 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
771 be->hdr.name, be->hdr.access);
772
773 memset(&kc, 0, sizeof(kc));
774 kc.name = be->hdr.name;
775 kc.private_value = (long)sbe;
776 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 777 kc.access = le32_to_cpu(be->hdr.access);
8a978234 778
5aebe7c7 779 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 780 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
781 sbe->dobj.ops = tplg->ops;
782 INIT_LIST_HEAD(&sbe->dobj.list);
783
784 /* map io handlers */
2b5cdb91 785 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 786 if (err) {
787 soc_control_err(tplg, &be->hdr, be->hdr.name);
788 kfree(sbe);
789 continue;
790 }
791
792 /* pass control to driver for optional further init */
793 err = soc_tplg_init_kcontrol(tplg, &kc,
794 (struct snd_soc_tplg_ctl_hdr *)be);
795 if (err < 0) {
796 dev_err(tplg->dev, "ASoC: failed to init %s\n",
797 be->hdr.name);
798 kfree(sbe);
799 continue;
800 }
801
802 /* register control here */
803 err = soc_tplg_add_kcontrol(tplg, &kc,
804 &sbe->dobj.control.kcontrol);
805 if (err < 0) {
806 dev_err(tplg->dev, "ASoC: failed to add %s\n",
807 be->hdr.name);
808 kfree(sbe);
809 continue;
810 }
811
812 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
813 }
814 return 0;
815
816}
817
818static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
819 size_t size)
820{
821 struct snd_soc_tplg_mixer_control *mc;
822 struct soc_mixer_control *sm;
823 struct snd_kcontrol_new kc;
824 int i, err;
825
826 if (soc_tplg_check_elem_count(tplg,
827 sizeof(struct snd_soc_tplg_mixer_control),
828 count, size, "mixers")) {
829
830 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
831 count);
832 return -EINVAL;
833 }
834
835 for (i = 0; i < count; i++) {
836 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
837
838 /* validate kcontrol */
839 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
840 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
841 return -EINVAL;
842
843 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
844 if (sm == NULL)
845 return -ENOMEM;
846 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 847 le32_to_cpu(mc->priv.size));
8a978234
LG		 848
849 dev_dbg(tplg->dev,
850 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
851 mc->hdr.name, mc->hdr.access);
852
853 memset(&kc, 0, sizeof(kc));
854 kc.name = mc->hdr.name;
855 kc.private_value = (long)sm;
856 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 857 kc.access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 858
859 /* we only support FL/FR channel mapping atm */
860 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
861 SNDRV_CHMAP_FL);
862 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
863 SNDRV_CHMAP_FR);
864 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
865 SNDRV_CHMAP_FL);
866 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
867 SNDRV_CHMAP_FR);
868
5aebe7c7
PLB		 869 sm->max = le32_to_cpu(mc->max);
870 sm->min = le32_to_cpu(mc->min);
871 sm->invert = le32_to_cpu(mc->invert);
872 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 873 sm->dobj.index = tplg->index;
874 sm->dobj.ops = tplg->ops;
875 sm->dobj.type = SND_SOC_DOBJ_MIXER;
876 INIT_LIST_HEAD(&sm->dobj.list);
877
878 /* map io handlers */
2b5cdb91 879 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 880 if (err) {
881 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
882 kfree(sm);
883 continue;
884 }
885
3789debf 886 /* create any TLV data */
482db55a
AS		 887 err = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
888 if (err < 0) {
889 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
890 mc->hdr.name);
891 kfree(sm);
892 continue;
893 }
3789debf 894
8a978234
LG		 895 /* pass control to driver for optional further init */
896 err = soc_tplg_init_kcontrol(tplg, &kc,
897 (struct snd_soc_tplg_ctl_hdr *) mc);
898 if (err < 0) {
899 dev_err(tplg->dev, "ASoC: failed to init %s\n",
900 mc->hdr.name);
3789debf 901 soc_tplg_free_tlv(tplg, &kc);
8a978234
LG		 902 kfree(sm);
903 continue;
904 }
905
8a978234
LG		 906 /* register control here */
907 err = soc_tplg_add_kcontrol(tplg, &kc,
908 &sm->dobj.control.kcontrol);
909 if (err < 0) {
910 dev_err(tplg->dev, "ASoC: failed to add %s\n",
911 mc->hdr.name);
912 soc_tplg_free_tlv(tplg, &kc);
913 kfree(sm);
914 continue;
915 }
916
917 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
918 }
919
920 return 0;
921}
922
923static int soc_tplg_denum_create_texts(struct soc_enum *se,
924 struct snd_soc_tplg_enum_control *ec)
925{
926 int i, ret;
927
928 se->dobj.control.dtexts =
5aebe7c7 929 kcalloc(le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 930 if (se->dobj.control.dtexts == NULL)
931 return -ENOMEM;
932
72bbeda0 933 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 934
935 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
936 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
937 ret = -EINVAL;
938 goto err;
939 }
940
941 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
942 if (!se->dobj.control.dtexts[i]) {
943 ret = -ENOMEM;
944 goto err;
945 }
946 }
947
3cde818c 948 se->items = le32_to_cpu(ec->items);
b6e38b29 949 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 950 return 0;
951
952err:
3cde818c
AS		 953 se->items = i;
954 soc_tplg_denum_remove_texts(se);
955 return ret;
956}
957
958static inline void soc_tplg_denum_remove_texts(struct soc_enum *se)
959{
960 int i = se->items;
961
8a978234
LG		 962 for (--i; i >= 0; i--)
963 kfree(se->dobj.control.dtexts[i]);
964 kfree(se->dobj.control.dtexts);
8a978234
LG		 965}
966
967static int soc_tplg_denum_create_values(struct soc_enum *se,
968 struct snd_soc_tplg_enum_control *ec)
969{
5aebe7c7
PLB		 970 int i;
971
972 if (le32_to_cpu(ec->items) > sizeof(*ec->values))
8a978234
LG		 973 return -EINVAL;
974
5aebe7c7
PLB		 975 se->dobj.control.dvalues = kzalloc(le32_to_cpu(ec->items) *
976 sizeof(u32),
376c0afe 977 GFP_KERNEL);
8a978234
LG		 978 if (!se->dobj.control.dvalues)
979 return -ENOMEM;
980
5aebe7c7
PLB		 981 /* convert from little-endian */
982 for (i = 0; i < le32_to_cpu(ec->items); i++) {
983 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
984 }
985
8a978234
LG		 986 return 0;
987}
988
3cde818c
AS		 989static inline void soc_tplg_denum_remove_values(struct soc_enum *se)
990{
991 kfree(se->dobj.control.dvalues);
992}
993
8a978234
LG		 994static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
995 size_t size)
996{
997 struct snd_soc_tplg_enum_control *ec;
998 struct soc_enum *se;
999 struct snd_kcontrol_new kc;
1000 int i, ret, err;
1001
1002 if (soc_tplg_check_elem_count(tplg,
1003 sizeof(struct snd_soc_tplg_enum_control),
1004 count, size, "enums")) {
1005
1006 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
1007 count);
1008 return -EINVAL;
1009 }
1010
1011 for (i = 0; i < count; i++) {
1012 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234
LG		 1013
1014 /* validate kcontrol */
1015 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1016 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1017 return -EINVAL;
1018
1019 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1020 if (se == NULL)
1021 return -ENOMEM;
1022
02b64245 1023 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
5aebe7c7 1024 le32_to_cpu(ec->priv.size));
02b64245 1025
8a978234
LG		 1026 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1027 ec->hdr.name, ec->items);
1028
1029 memset(&kc, 0, sizeof(kc));
1030 kc.name = ec->hdr.name;
1031 kc.private_value = (long)se;
1032 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 1033 kc.access = le32_to_cpu(ec->hdr.access);
8a978234
LG		 1034
1035 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1036 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1037 SNDRV_CHMAP_FL);
1038 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1039 SNDRV_CHMAP_FL);
1040
5aebe7c7 1041 se->mask = le32_to_cpu(ec->mask);
8a978234
LG		 1042 se->dobj.index = tplg->index;
1043 se->dobj.type = SND_SOC_DOBJ_ENUM;
1044 se->dobj.ops = tplg->ops;
1045 INIT_LIST_HEAD(&se->dobj.list);
1046
5aebe7c7 1047 switch (le32_to_cpu(ec->hdr.ops.info)) {
8a978234
LG		 1048 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1049 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1050 err = soc_tplg_denum_create_values(se, ec);
1051 if (err < 0) {
1052 dev_err(tplg->dev,
1053 "ASoC: could not create values for %s\n",
1054 ec->hdr.name);
1055 kfree(se);
1056 continue;
1057 }
9c6c4d96 1058 /* fall through */
8a978234
LG		 1059 case SND_SOC_TPLG_CTL_ENUM:
1060 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1061 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1062 err = soc_tplg_denum_create_texts(se, ec);
1063 if (err < 0) {
1064 dev_err(tplg->dev,
1065 "ASoC: could not create texts for %s\n",
1066 ec->hdr.name);
1067 kfree(se);
1068 continue;
1069 }
1070 break;
1071 default:
1072 dev_err(tplg->dev,
1073 "ASoC: invalid enum control type %d for %s\n",
1074 ec->hdr.ops.info, ec->hdr.name);
1075 kfree(se);
1076 continue;
1077 }
1078
1079 /* map io handlers */
2b5cdb91 1080 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1081 if (err) {
1082 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1083 kfree(se);
1084 continue;
1085 }
1086
1087 /* pass control to driver for optional further init */
1088 err = soc_tplg_init_kcontrol(tplg, &kc,
1089 (struct snd_soc_tplg_ctl_hdr *) ec);
1090 if (err < 0) {
1091 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1092 ec->hdr.name);
1093 kfree(se);
1094 continue;
1095 }
1096
1097 /* register control here */
1098 ret = soc_tplg_add_kcontrol(tplg,
1099 &kc, &se->dobj.control.kcontrol);
1100 if (ret < 0) {
1101 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1102 ec->hdr.name);
1103 kfree(se);
1104 continue;
1105 }
1106
1107 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1108 }
1109
1110 return 0;
1111}
1112
1113static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1114 struct snd_soc_tplg_hdr *hdr)
1115{
1116 struct snd_soc_tplg_ctl_hdr *control_hdr;
2ae548f3 1117 int ret;
8a978234
LG		 1118 int i;
1119
8a978234
LG		 1120 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1121 soc_tplg_get_offset(tplg));
1122
5aebe7c7 1123 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
8a978234
LG		 1124
1125 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1126
5aebe7c7 1127 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1128 dev_err(tplg->dev, "ASoC: invalid control size\n");
1129 return -EINVAL;
1130 }
1131
5aebe7c7 1132 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1133 case SND_SOC_TPLG_CTL_VOLSW:
1134 case SND_SOC_TPLG_CTL_STROBE:
1135 case SND_SOC_TPLG_CTL_VOLSW_SX:
1136 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1137 case SND_SOC_TPLG_CTL_RANGE:
1138 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1139 case SND_SOC_TPLG_DAPM_CTL_PIN:
2ae548f3
AS		 1140 ret = soc_tplg_dmixer_create(tplg, 1,
1141 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1142 break;
1143 case SND_SOC_TPLG_CTL_ENUM:
1144 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1145 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1146 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1147 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
2ae548f3
AS		 1148 ret = soc_tplg_denum_create(tplg, 1,
1149 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1150 break;
1151 case SND_SOC_TPLG_CTL_BYTES:
2ae548f3
AS		 1152 ret = soc_tplg_dbytes_create(tplg, 1,
1153 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1154 break;
1155 default:
1156 soc_bind_err(tplg, control_hdr, i);
1157 return -EINVAL;
1158 }
2ae548f3
AS		 1159 if (ret < 0) {
1160 dev_err(tplg->dev, "ASoC: invalid control\n");
1161 return ret;
1162 }
1163
8a978234
LG		 1164 }
1165
1166 return 0;
1167}
1168
503e79b7
LG		 1169/* optionally pass new dynamic kcontrol to component driver. */
1170static int soc_tplg_add_route(struct soc_tplg *tplg,
1171 struct snd_soc_dapm_route *route)
1172{
c42464a4 1173 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1174 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1175 route);
1176
1177 return 0;
1178}
1179
8a978234
LG		 1180static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1181 struct snd_soc_tplg_hdr *hdr)
1182{
1183 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1184 struct snd_soc_tplg_dapm_graph_elem *elem;
7df04ea7 1185 struct snd_soc_dapm_route **routes;
5aebe7c7 1186 int count, i, j;
7df04ea7 1187 int ret = 0;
8a978234 1188
5aebe7c7
PLB		 1189 count = le32_to_cpu(hdr->count);
1190
8a978234
LG		 1191 if (soc_tplg_check_elem_count(tplg,
1192 sizeof(struct snd_soc_tplg_dapm_graph_elem),
5aebe7c7 1193 count, le32_to_cpu(hdr->payload_size), "graph")) {
8a978234
LG		 1194
1195 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1196 count);
1197 return -EINVAL;
1198 }
1199
b75a6511
LG		 1200 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1201 hdr->index);
8a978234 1202
7df04ea7
RS		 1203 /* allocate memory for pointer to array of dapm routes */
1204 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1205 GFP_KERNEL);
1206 if (!routes)
1207 return -ENOMEM;
1208
1209 /*
1210 * allocate memory for each dapm route in the array.
1211 * This needs to be done individually so that
1212 * each route can be freed when it is removed in remove_route().
1213 */
1214 for (i = 0; i < count; i++) {
1215 routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL);
1216 if (!routes[i]) {
1217 /* free previously allocated memory */
1218 for (j = 0; j < i; j++)
1219 kfree(routes[j]);
1220
1221 kfree(routes);
1222 return -ENOMEM;
1223 }
1224 }
1225
8a978234
LG		 1226 for (i = 0; i < count; i++) {
1227 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1228 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1229
1230 /* validate routes */
1231 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1232 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1233 ret = -EINVAL;
1234 break;
1235 }
8a978234 1236 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1237 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1238 ret = -EINVAL;
1239 break;
1240 }
8a978234 1241 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1242 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1243 ret = -EINVAL;
1244 break;
1245 }
1246
1247 routes[i]->source = elem->source;
1248 routes[i]->sink = elem->sink;
8a978234 1249
7df04ea7
RS		 1250 /* set to NULL atm for tplg users */
1251 routes[i]->connected = NULL;
8a978234 1252 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1253 routes[i]->control = NULL;
8a978234 1254 else
7df04ea7
RS		 1255 routes[i]->control = elem->control;
1256
1257 /* add route dobj to dobj_list */
1258 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1259 routes[i]->dobj.ops = tplg->ops;
1260 routes[i]->dobj.index = tplg->index;
1261 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1262
6856e887
AS		 1263 ret = soc_tplg_add_route(tplg, routes[i]);
1264 if (ret < 0)
1265 break;
503e79b7 1266
8a978234 1267 /* add route, but keep going if some fail */
7df04ea7 1268 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1269 }
1270
7df04ea7
RS		 1271 /* free memory allocated for all dapm routes in case of error */
1272 if (ret < 0)
1273 for (i = 0; i < count ; i++)
1274 kfree(routes[i]);
1275
1276 /*
1277 * free pointer to array of dapm routes as this is no longer needed.
1278 * The memory allocated for each dapm route will be freed
1279 * when it is removed in remove_route().
1280 */
1281 kfree(routes);
1282
1283 return ret;
8a978234
LG		 1284}
1285
1286static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1287 struct soc_tplg *tplg, int num_kcontrols)
1288{
1289 struct snd_kcontrol_new *kc;
1290 struct soc_mixer_control *sm;
1291 struct snd_soc_tplg_mixer_control *mc;
1292 int i, err;
1293
4ca7deb1 1294 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1295 if (kc == NULL)
1296 return NULL;
1297
1298 for (i = 0; i < num_kcontrols; i++) {
1299 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1300
8a978234
LG		 1301 /* validate kcontrol */
1302 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1303 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a
AS		 1304 goto err_sm;
1305
1306 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1307 if (sm == NULL)
1308 goto err_sm;
8a978234 1309
02b64245 1310 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 1311 le32_to_cpu(mc->priv.size));
02b64245 1312
8a978234
LG		 1313 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1314 mc->hdr.name, i);
1315
1ad741d0 1316 kc[i].private_value = (long)sm;
267e2c6f
LG		 1317 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1318 if (kc[i].name == NULL)
9f90af3a 1319 goto err_sm;
8a978234 1320 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1321 kc[i].access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 1322
1323 /* we only support FL/FR channel mapping atm */
1324 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1325 SNDRV_CHMAP_FL);
1326 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1327 SNDRV_CHMAP_FR);
1328 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1329 SNDRV_CHMAP_FL);
1330 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1331 SNDRV_CHMAP_FR);
1332
72bbeda0
PLB		 1333 sm->max = le32_to_cpu(mc->max);
1334 sm->min = le32_to_cpu(mc->min);
1335 sm->invert = le32_to_cpu(mc->invert);
1336 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 1337 sm->dobj.index = tplg->index;
1338 INIT_LIST_HEAD(&sm->dobj.list);
1339
1340 /* map io handlers */
2b5cdb91 1341 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1342 if (err) {
1343 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
9f90af3a 1344 goto err_sm;
8a978234
LG		 1345 }
1346
3789debf 1347 /* create any TLV data */
482db55a
AS		 1348 err = soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1349 if (err < 0) {
1350 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1351 mc->hdr.name);
1352 kfree(sm);
1353 continue;
1354 }
3789debf 1355
8a978234
LG		 1356 /* pass control to driver for optional further init */
1357 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1358 (struct snd_soc_tplg_ctl_hdr *)mc);
1359 if (err < 0) {
1360 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1361 mc->hdr.name);
3789debf 1362 soc_tplg_free_tlv(tplg, &kc[i]);
9f90af3a 1363 goto err_sm;
8a978234
LG		 1364 }
1365 }
1366 return kc;
1367
9f90af3a
AS		 1368err_sm:
1369 for (; i >= 0; i--) {
1370 sm = (struct soc_mixer_control *)kc[i].private_value;
1371 kfree(sm);
267e2c6f
LG		 1372 kfree(kc[i].name);
1373 }
8a978234 1374 kfree(kc);
9f90af3a 1375
8a978234
LG		 1376 return NULL;
1377}
1378
1379static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1380 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1381{
1382 struct snd_kcontrol_new *kc;
1383 struct snd_soc_tplg_enum_control *ec;
1384 struct soc_enum *se;
3cde818c 1385 int i, err;
8a978234 1386
1a7dd6e2 1387 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1388 if (kc == NULL)
1389 return NULL;
1390
1a7dd6e2
ML		 1391 for (i = 0; i < num_kcontrols; i++) {
1392 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1393 /* validate kcontrol */
1394 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1395 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1396 goto err_se;
1a7dd6e2
ML		 1397
1398 se = kzalloc(sizeof(*se), GFP_KERNEL);
1399 if (se == NULL)
9f90af3a 1400 goto err_se;
8a978234 1401
02b64245 1402 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
72bbeda0 1403 le32_to_cpu(ec->priv.size));
02b64245 1404
1a7dd6e2
ML		 1405 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1406 ec->hdr.name);
8a978234 1407
1ad741d0 1408 kc[i].private_value = (long)se;
267e2c6f 1409 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
9f90af3a 1410 if (kc[i].name == NULL)
267e2c6f 1411 goto err_se;
1a7dd6e2 1412 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1413 kc[i].access = le32_to_cpu(ec->hdr.access);
8a978234 1414
1a7dd6e2
ML		 1415 /* we only support FL/FR channel mapping atm */
1416 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1417 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1418 SNDRV_CHMAP_FL);
1419 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1420 SNDRV_CHMAP_FR);
8a978234 1421
72bbeda0
PLB		 1422 se->items = le32_to_cpu(ec->items);
1423 se->mask = le32_to_cpu(ec->mask);
1a7dd6e2 1424 se->dobj.index = tplg->index;
8a978234 1425
5aebe7c7 1426 switch (le32_to_cpu(ec->hdr.ops.info)) {
1a7dd6e2
ML		 1427 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1428 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1429 err = soc_tplg_denum_create_values(se, ec);
1430 if (err < 0) {
1431 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1432 ec->hdr.name);
1433 goto err_se;
1434 }
9c6c4d96 1435 /* fall through */
1a7dd6e2
ML		 1436 case SND_SOC_TPLG_CTL_ENUM:
1437 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1438 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1439 err = soc_tplg_denum_create_texts(se, ec);
1440 if (err < 0) {
1441 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1442 ec->hdr.name);
1443 goto err_se;
1444 }
1445 break;
1446 default:
1447 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1448 ec->hdr.ops.info, ec->hdr.name);
8a978234
LG		 1449 goto err_se;
1450 }
1a7dd6e2
ML		 1451
1452 /* map io handlers */
1453 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1454 if (err) {
1455 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1456 goto err_se;
1457 }
1458
1459 /* pass control to driver for optional further init */
1460 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1461 (struct snd_soc_tplg_ctl_hdr *)ec);
8a978234 1462 if (err < 0) {
1a7dd6e2 1463 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1464 ec->hdr.name);
1465 goto err_se;
1466 }
8a978234
LG		 1467 }
1468
1469 return kc;
1470
1471err_se:
1a7dd6e2
ML		 1472 for (; i >= 0; i--) {
1473 /* free values and texts */
1474 se = (struct soc_enum *)kc[i].private_value;
6d5574ed 1475
9f90af3a
AS		 1476 if (se) {
1477 soc_tplg_denum_remove_values(se);
1478 soc_tplg_denum_remove_texts(se);
1479 }
8a978234 1480
1a7dd6e2 1481 kfree(se);
267e2c6f 1482 kfree(kc[i].name);
1a7dd6e2 1483 }
8a978234
LG		 1484 kfree(kc);
1485
1486 return NULL;
1487}
1488
1489static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
9f90af3a 1490 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1491{
1492 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1493 struct soc_bytes_ext *sbe;
8a978234
LG		 1494 struct snd_kcontrol_new *kc;
1495 int i, err;
1496
9f90af3a 1497 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1498 if (!kc)
1499 return NULL;
1500
9f90af3a 1501 for (i = 0; i < num_kcontrols; i++) {
8a978234
LG		 1502 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1503
1504 /* validate kcontrol */
1505 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1506 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1507 goto err_sbe;
8a978234
LG		 1508
1509 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1510 if (sbe == NULL)
9f90af3a 1511 goto err_sbe;
8a978234
LG		 1512
1513 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 1514 le32_to_cpu(be->priv.size));
8a978234
LG		 1515
1516 dev_dbg(tplg->dev,
1517 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1518 be->hdr.name, be->hdr.access);
1519
1ad741d0 1520 kc[i].private_value = (long)sbe;
267e2c6f 1521 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
9f90af3a
AS		 1522 if (kc[i].name == NULL)
1523 goto err_sbe;
8a978234 1524 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1525 kc[i].access = le32_to_cpu(be->hdr.access);
8a978234 1526
72bbeda0 1527 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 1528 INIT_LIST_HEAD(&sbe->dobj.list);
1529
1530 /* map standard io handlers and check for external handlers */
2b5cdb91 1531 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1532 if (err) {
1533 soc_control_err(tplg, &be->hdr, be->hdr.name);
9f90af3a 1534 goto err_sbe;
8a978234
LG		 1535 }
1536
1537 /* pass control to driver for optional further init */
1538 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1539 (struct snd_soc_tplg_ctl_hdr *)be);
1540 if (err < 0) {
1541 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1542 be->hdr.name);
9f90af3a 1543 goto err_sbe;
8a978234
LG		 1544 }
1545 }
1546
1547 return kc;
1548
9f90af3a
AS		 1549err_sbe:
1550 for (; i >= 0; i--) {
1551 sbe = (struct soc_bytes_ext *)kc[i].private_value;
1552 kfree(sbe);
267e2c6f
LG		 1553 kfree(kc[i].name);
1554 }
8a978234 1555 kfree(kc);
9f90af3a 1556
8a978234
LG		 1557 return NULL;
1558}
1559
1560static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1561 struct snd_soc_tplg_dapm_widget *w)
1562{
1563 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1564 struct snd_soc_dapm_widget template, *widget;
1565 struct snd_soc_tplg_ctl_hdr *control_hdr;
1566 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1567 unsigned int kcontrol_type;
8a978234
LG		 1568 int ret = 0;
1569
1570 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1571 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1572 return -EINVAL;
1573 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1574 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1575 return -EINVAL;
1576
1577 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1578 w->name, w->id);
1579
1580 memset(&template, 0, sizeof(template));
1581
1582 /* map user to kernel widget ID */
5aebe7c7 1583 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1584 if ((int)template.id < 0)
8a978234
LG		 1585 return template.id;
1586
c3421a6a 1587 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1588 template.name = kstrdup(w->name, GFP_KERNEL);
1589 if (!template.name)
1590 return -ENOMEM;
1591 template.sname = kstrdup(w->sname, GFP_KERNEL);
1592 if (!template.sname) {
1593 ret = -ENOMEM;
1594 goto err;
1595 }
5aebe7c7
PLB		 1596 template.reg = le32_to_cpu(w->reg);
1597 template.shift = le32_to_cpu(w->shift);
1598 template.mask = le32_to_cpu(w->mask);
1599 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1600 template.on_val = w->invert ? 0 : 1;
1601 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1602 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1603 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1604 template.dobj.index = tplg->index;
1605
1606 tplg->pos +=
5aebe7c7
PLB		 1607 (sizeof(struct snd_soc_tplg_dapm_widget) +
1608 le32_to_cpu(w->priv.size));
1609
8a978234 1610 if (w->num_kcontrols == 0) {
dd5abb74 1611 kcontrol_type = 0;
8a978234
LG		 1612 template.num_kcontrols = 0;
1613 goto widget;
1614 }
1615
1616 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1617 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1618 w->name, w->num_kcontrols, control_hdr->type);
1619
5aebe7c7 1620 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1621 case SND_SOC_TPLG_CTL_VOLSW:
1622 case SND_SOC_TPLG_CTL_STROBE:
1623 case SND_SOC_TPLG_CTL_VOLSW_SX:
1624 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1625 case SND_SOC_TPLG_CTL_RANGE:
1626 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1627 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
5aebe7c7 1628 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1629 template.kcontrol_news =
1630 soc_tplg_dapm_widget_dmixer_create(tplg,
1631 template.num_kcontrols);
1632 if (!template.kcontrol_news) {
1633 ret = -ENOMEM;
1634 goto hdr_err;
1635 }
1636 break;
1637 case SND_SOC_TPLG_CTL_ENUM:
1638 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1639 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1640 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1641 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1642 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
5aebe7c7 1643 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234 1644 template.kcontrol_news =
1a7dd6e2
ML		 1645 soc_tplg_dapm_widget_denum_create(tplg,
1646 template.num_kcontrols);
8a978234
LG		 1647 if (!template.kcontrol_news) {
1648 ret = -ENOMEM;
1649 goto hdr_err;
1650 }
1651 break;
1652 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1653 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
5aebe7c7 1654 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1655 template.kcontrol_news =
1656 soc_tplg_dapm_widget_dbytes_create(tplg,
1657 template.num_kcontrols);
1658 if (!template.kcontrol_news) {
1659 ret = -ENOMEM;
1660 goto hdr_err;
1661 }
1662 break;
1663 default:
1664 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1665 control_hdr->ops.get, control_hdr->ops.put,
5aebe7c7 1666 le32_to_cpu(control_hdr->ops.info));
8a978234
LG		 1667 ret = -EINVAL;
1668 goto hdr_err;
1669 }
1670
1671widget:
1672 ret = soc_tplg_widget_load(tplg, &template, w);
1673 if (ret < 0)
1674 goto hdr_err;
1675
1676 /* card dapm mutex is held by the core if we are loading topology
1677 * data during sound card init. */
1678 if (card->instantiated)
1679 widget = snd_soc_dapm_new_control(dapm, &template);
1680 else
1681 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1682 if (IS_ERR(widget)) {
1683 ret = PTR_ERR(widget);
8a978234
LG		 1684 goto hdr_err;
1685 }
1686
1687 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1688 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1689 widget->dobj.ops = tplg->ops;
1690 widget->dobj.index = tplg->index;
1691 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1692
1693 ret = soc_tplg_widget_ready(tplg, widget, w);
1694 if (ret < 0)
1695 goto ready_err;
1696
7620fe91
B		 1697 kfree(template.sname);
1698 kfree(template.name);
1699
8a978234
LG		 1700 return 0;
1701
ebd259d3
LG		 1702ready_err:
1703 snd_soc_tplg_widget_remove(widget);
1704 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1705hdr_err:
1706 kfree(template.sname);
1707err:
1708 kfree(template.name);
1709 return ret;
1710}
1711
1712static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1713 struct snd_soc_tplg_hdr *hdr)
1714{
1715 struct snd_soc_tplg_dapm_widget *widget;
5aebe7c7
PLB		 1716 int ret, count, i;
1717
1718 count = le32_to_cpu(hdr->count);
8a978234 1719
8a978234
LG		 1720 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1721
1722 for (i = 0; i < count; i++) {
1723 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
5aebe7c7 1724 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1725 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1726 return -EINVAL;
1727 }
1728
8a978234 1729 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1730 if (ret < 0) {
8a978234
LG		 1731 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1732 widget->name);
7de76b62
ML		 1733 return ret;
1734 }
8a978234
LG		 1735 }
1736
1737 return 0;
1738}
1739
1740static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1741{
1742 struct snd_soc_card *card = tplg->comp->card;
1743 int ret;
1744
1745 /* Card might not have been registered at this point.
1746 * If so, just return success.
1747 */
1748 if (!card || !card->instantiated) {
1749 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1750 " widget card binding deferred\n");
8a978234
LG		 1751 return 0;
1752 }
1753
1754 ret = snd_soc_dapm_new_widgets(card);
1755 if (ret < 0)
1756 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1757 ret);
1758
1759 return 0;
1760}
1761
abc3caac 1762static int set_stream_info(struct snd_soc_pcm_stream *stream,
b6b6e4d6
ML		 1763 struct snd_soc_tplg_stream_caps *caps)
1764{
1765 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
abc3caac
AS		 1766 if (!stream->stream_name)
1767 return -ENOMEM;
1768
5aebe7c7
PLB		 1769 stream->channels_min = le32_to_cpu(caps->channels_min);
1770 stream->channels_max = le32_to_cpu(caps->channels_max);
1771 stream->rates = le32_to_cpu(caps->rates);
1772 stream->rate_min = le32_to_cpu(caps->rate_min);
1773 stream->rate_max = le32_to_cpu(caps->rate_max);
1774 stream->formats = le64_to_cpu(caps->formats);
1775 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1776
1777 return 0;
b6b6e4d6
ML		 1778}
1779
0038be9a
ML		 1780static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1781 unsigned int flag_mask, unsigned int flags)
1782{
1783 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1784 dai_drv->symmetric_rates =
1785 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1786
1787 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1788 dai_drv->symmetric_channels =
1789 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1790 1 : 0;
1791
1792 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1793 dai_drv->symmetric_samplebits =
1794 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1795 1 : 0;
1796}
1797
64527e8a
ML		 1798static int soc_tplg_dai_create(struct soc_tplg *tplg,
1799 struct snd_soc_tplg_pcm *pcm)
1800{
1801 struct snd_soc_dai_driver *dai_drv;
1802 struct snd_soc_pcm_stream *stream;
1803 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1804 struct snd_soc_dai *dai;
1805 struct snd_soc_dapm_context *dapm =
1806 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1807 int ret;
1808
1809 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1810 if (dai_drv == NULL)
1811 return -ENOMEM;
1812
abc3caac 1813 if (strlen(pcm->dai_name)) {
8f27c4ab 1814 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1815 if (!dai_drv->name) {
1816 ret = -ENOMEM;
1817 goto err;
1818 }
1819 }
5aebe7c7 1820 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1821
1822 if (pcm->playback) {
1823 stream = &dai_drv->playback;
1824 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
abc3caac
AS		 1825 ret = set_stream_info(stream, caps);
1826 if (ret < 0)
1827 goto err;
64527e8a
ML		 1828 }
1829
1830 if (pcm->capture) {
1831 stream = &dai_drv->capture;
1832 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
abc3caac
AS		 1833 ret = set_stream_info(stream, caps);
1834 if (ret < 0)
1835 goto err;
64527e8a
ML		 1836 }
1837
5db6aab6
LG		 1838 if (pcm->compress)
1839 dai_drv->compress_new = snd_soc_new_compress;
1840
64527e8a 1841 /* pass control to component driver for optional further init */
c60b613a 1842 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a
ML		 1843 if (ret < 0) {
1844 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
abc3caac 1845 goto err;
64527e8a
ML		 1846 }
1847
1848 dai_drv->dobj.index = tplg->index;
1849 dai_drv->dobj.ops = tplg->ops;
1850 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1851 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1852
1853 /* register the DAI to the component */
e443c205
KM		 1854 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
1855 if (!dai)
1856 return -ENOMEM;
1857
1858 /* Create the DAI widgets here */
1859 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1860 if (ret != 0) {
1861 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
1862 snd_soc_unregister_dai(dai);
1863 return ret;
1864 }
1865
abc3caac
AS		 1866 return 0;
1867
1868err:
1869 kfree(dai_drv->playback.stream_name);
1870 kfree(dai_drv->capture.stream_name);
1871 kfree(dai_drv->name);
1872 kfree(dai_drv);
1873
e443c205 1874 return ret;
64527e8a
ML		 1875}
1876
717a8e72
ML		 1877static void set_link_flags(struct snd_soc_dai_link *link,
1878 unsigned int flag_mask, unsigned int flags)
1879{
1880 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1881 link->symmetric_rates =
1882 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1883
1884 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1885 link->symmetric_channels =
1886 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1887 1 : 0;
1888
1889 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1890 link->symmetric_samplebits =
1891 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1892 1 : 0;
6ff67cca
ML		 1893
1894 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1895 link->ignore_suspend =
1896 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1897 1 : 0;
717a8e72
ML		 1898}
1899
67d1c21e 1900/* create the FE DAI link */
ab4bc5ee 1901static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1902 struct snd_soc_tplg_pcm *pcm)
1903{
1904 struct snd_soc_dai_link *link;
23b946ce 1905 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1906 int ret;
1907
3e6de894
PLB		 1908 /* link + cpu + codec + platform */
1909 link = kzalloc(sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1910 if (link == NULL)
1911 return -ENOMEM;
1912
23b946ce
KM		 1913 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1914
1915 link->cpus = &dlc[0];
1916 link->codecs = &dlc[1];
3e6de894 1917 link->platforms = &dlc[2];
23b946ce
KM		 1918
1919 link->num_cpus = 1;
1920 link->num_codecs = 1;
3e6de894 1921 link->num_platforms = 1;
23b946ce 1922
8ce1cbd6
JK		 1923 link->dobj.index = tplg->index;
1924 link->dobj.ops = tplg->ops;
1925 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1926
8f27c4ab
ML		 1927 if (strlen(pcm->pcm_name)) {
1928 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1929 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1930 if (!link->name || !link->stream_name) {
1931 ret = -ENOMEM;
1932 goto err;
1933 }
8f27c4ab 1934 }
5aebe7c7 1935 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1936
abc3caac 1937 if (strlen(pcm->dai_name)) {
23b946ce 1938 link->cpus->dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1939 if (!link->cpus->dai_name) {
1940 ret = -ENOMEM;
1941 goto err;
1942 }
1943 }
8f27c4ab 1944
23b946ce
KM		 1945 link->codecs->name = "snd-soc-dummy";
1946 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1947
3e6de894
PLB		 1948 link->platforms->name = "snd-soc-dummy";
1949
67d1c21e
GS		 1950 /* enable DPCM */
1951 link->dynamic = 1;
5aebe7c7
PLB		 1952 link->dpcm_playback = le32_to_cpu(pcm->playback);
1953 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1954 if (pcm->flag_mask)
5aebe7c7
PLB		 1955 set_link_flags(link,
1956 le32_to_cpu(pcm->flag_mask),
1957 le32_to_cpu(pcm->flags));
67d1c21e 1958
acfc7d46 1959 /* pass control to component driver for optional further init */
c60b613a 1960 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46
ML		 1961 if (ret < 0) {
1962 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1963 goto err;
1964 }
1965
2acf6ce2 1966 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036
DT		 1967 if (ret < 0) {
1968 dev_err(tplg->comp->dev, "ASoC: adding FE link failed\n");
1969 goto err;
acfc7d46
ML		 1970 }
1971
acfc7d46
ML		 1972 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1973
acfc7d46 1974 return 0;
76d27036
DT		 1975err:
1976 kfree(link->name);
1977 kfree(link->stream_name);
1978 kfree(link->cpus->dai_name);
1979 kfree(link);
1980 return ret;
acfc7d46
ML		 1981}
1982
1983/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1984static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1985 struct snd_soc_tplg_pcm *pcm)
1986{
acfc7d46
ML		 1987 int ret;
1988
1989 ret = soc_tplg_dai_create(tplg, pcm);
1990 if (ret < 0)
1991 return ret;
1992
ab4bc5ee 1993 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1994}
1995
55726dc9
ML		 1996/* copy stream caps from the old version 4 of source */
1997static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1998 struct snd_soc_tplg_stream_caps_v4 *src)
1999{
5aebe7c7 2000 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 2001 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2002 dest->formats = src->formats;
2003 dest->rates = src->rates;
2004 dest->rate_min = src->rate_min;
2005 dest->rate_max = src->rate_max;
2006 dest->channels_min = src->channels_min;
2007 dest->channels_max = src->channels_max;
2008 dest->periods_min = src->periods_min;
2009 dest->periods_max = src->periods_max;
2010 dest->period_size_min = src->period_size_min;
2011 dest->period_size_max = src->period_size_max;
2012 dest->buffer_size_min = src->buffer_size_min;
2013 dest->buffer_size_max = src->buffer_size_max;
2014}
2015
2016/**
2017 * pcm_new_ver - Create the new version of PCM from the old version.
2018 * @tplg: topology context
2019 * @src: older version of pcm as a source
2020 * @pcm: latest version of pcm created from the source
2021 *
2022 * Support from vesion 4. User should free the returned pcm manually.
2023 */
2024static int pcm_new_ver(struct soc_tplg *tplg,
2025 struct snd_soc_tplg_pcm *src,
2026 struct snd_soc_tplg_pcm **pcm)
2027{
2028 struct snd_soc_tplg_pcm *dest;
2029 struct snd_soc_tplg_pcm_v4 *src_v4;
2030 int i;
2031
2032 *pcm = NULL;
2033
5aebe7c7 2034 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 2035 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
2036 return -EINVAL;
2037 }
2038
2039 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
2040 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
2041 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2042 if (!dest)
2043 return -ENOMEM;
2044
5aebe7c7 2045 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 2046 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2047 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2048 dest->pcm_id = src_v4->pcm_id;
2049 dest->dai_id = src_v4->dai_id;
2050 dest->playback = src_v4->playback;
2051 dest->capture = src_v4->capture;
2052 dest->compress = src_v4->compress;
2053 dest->num_streams = src_v4->num_streams;
5aebe7c7 2054 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 2055 memcpy(&dest->stream[i], &src_v4->stream[i],
2056 sizeof(struct snd_soc_tplg_stream));
2057
2058 for (i = 0; i < 2; i++)
2059 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
2060
2061 *pcm = dest;
2062 return 0;
2063}
2064
64527e8a 2065static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 2066 struct snd_soc_tplg_hdr *hdr)
2067{
55726dc9 2068 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 2069 int count;
2070 int size;
fd340455 2071 int i;
55726dc9 2072 bool abi_match;
a3039aef 2073 int ret;
8a978234 2074
5aebe7c7
PLB		 2075 count = le32_to_cpu(hdr->count);
2076
55726dc9
ML		 2077 /* check the element size and count */
2078 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 2079 size = le32_to_cpu(pcm->size);
2080 if (size > sizeof(struct snd_soc_tplg_pcm)
2081 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 2082 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 2083 size);
55726dc9
ML		 2084 return -EINVAL;
2085 }
2086
8a978234 2087 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2088 size, count,
2089 le32_to_cpu(hdr->payload_size),
2090 "PCM DAI")) {
8a978234
LG		 2091 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
2092 count);
2093 return -EINVAL;
2094 }
2095
64527e8a 2096 for (i = 0; i < count; i++) {
55726dc9 2097 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 2098 size = le32_to_cpu(pcm->size);
55726dc9
ML		 2099
2100 /* check ABI version by size, create a new version of pcm
2101 * if abi not match.
2102 */
5aebe7c7 2103 if (size == sizeof(*pcm)) {
55726dc9
ML		 2104 abi_match = true;
2105 _pcm = pcm;
2106 } else {
2107 abi_match = false;
b3677fc3
AS		 2108 ret = pcm_new_ver(tplg, pcm, &_pcm);
2109 if (ret < 0)
2110 return ret;
06eb49f7
ML		 2111 }
2112
55726dc9 2113 /* create the FE DAIs and DAI links */
a3039aef
DT		 2114 ret = soc_tplg_pcm_create(tplg, _pcm);
2115 if (ret < 0) {
2116 if (!abi_match)
2117 kfree(_pcm);
2118 return ret;
2119 }
55726dc9 2120
717a8e72
ML		 2121 /* offset by version-specific struct size and
2122 * real priv data size
2123 */
5aebe7c7 2124 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 2125
55726dc9
ML		 2126 if (!abi_match)
2127 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 2128 }
2129
8a978234 2130 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 2131
8a978234 2132 return 0;
8a978234
LG		 2133}
2134
593d9e52
ML		 2135/**
2136 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 2137 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 2138 * @cfg: physical link configs.
2139 *
2140 * Topology context contains a list of supported HW formats (configs) and
2141 * a default format ID for the physical link. This function will use this
2142 * default ID to choose the HW format to set the link's DAI format for init.
2143 */
2144static void set_link_hw_format(struct snd_soc_dai_link *link,
2145 struct snd_soc_tplg_link_config *cfg)
2146{
2147 struct snd_soc_tplg_hw_config *hw_config;
2148 unsigned char bclk_master, fsync_master;
2149 unsigned char invert_bclk, invert_fsync;
2150 int i;
2151
5aebe7c7 2152 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 2153 hw_config = &cfg->hw_config[i];
2154 if (hw_config->id != cfg->default_hw_config_id)
2155 continue;
2156
5aebe7c7
PLB		 2157 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
2158 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 2159
933e1c4a 2160 /* clock gating */
fbeabd09
KM		 2161 switch (hw_config->clock_gated) {
2162 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 2163 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 2164 break;
2165
2166 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2167 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2168 break;
2169
2170 default:
2171 /* ignore the value */
2172 break;
2173 }
933e1c4a 2174
593d9e52
ML		 2175 /* clock signal polarity */
2176 invert_bclk = hw_config->invert_bclk;
2177 invert_fsync = hw_config->invert_fsync;
2178 if (!invert_bclk && !invert_fsync)
2179 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2180 else if (!invert_bclk && invert_fsync)
2181 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2182 else if (invert_bclk && !invert_fsync)
2183 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2184 else
2185 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2186
2187 /* clock masters */
a941e2fa
KM		 2188 bclk_master = (hw_config->bclk_master ==
2189 SND_SOC_TPLG_BCLK_CM);
2190 fsync_master = (hw_config->fsync_master ==
2191 SND_SOC_TPLG_FSYNC_CM);
2192 if (bclk_master && fsync_master)
593d9e52 2193 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
593d9e52 2194 else if (!bclk_master && fsync_master)
a941e2fa
KM		 2195 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2196 else if (bclk_master && !fsync_master)
593d9e52
ML		 2197 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2198 else
2199 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2200 }
2201}
2202
2203/**
2204 * link_new_ver - Create a new physical link config from the old
2205 * version of source.
8abab35f 2206 * @tplg: topology context
593d9e52
ML		 2207 * @src: old version of phyical link config as a source
2208 * @link: latest version of physical link config created from the source
2209 *
2210 * Support from vesion 4. User need free the returned link config manually.
2211 */
2212static int link_new_ver(struct soc_tplg *tplg,
2213 struct snd_soc_tplg_link_config *src,
2214 struct snd_soc_tplg_link_config **link)
2215{
2216 struct snd_soc_tplg_link_config *dest;
2217 struct snd_soc_tplg_link_config_v4 *src_v4;
2218 int i;
2219
2220 *link = NULL;
2221
5aebe7c7
PLB		 2222 if (le32_to_cpu(src->size) !=
2223 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2224 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2225 return -EINVAL;
2226 }
2227
2228 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2229
2230 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2231 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2232 if (!dest)
2233 return -ENOMEM;
2234
5aebe7c7 2235 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2236 dest->id = src_v4->id;
2237 dest->num_streams = src_v4->num_streams;
5aebe7c7 2238 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2239 memcpy(&dest->stream[i], &src_v4->stream[i],
2240 sizeof(struct snd_soc_tplg_stream));
2241
2242 *link = dest;
2243 return 0;
2244}
2245
d6f31e0e
KM		 2246/**
2247 * snd_soc_find_dai_link - Find a DAI link
2248 *
2249 * @card: soc card
2250 * @id: DAI link ID to match
2251 * @name: DAI link name to match, optional
2252 * @stream_name: DAI link stream name to match, optional
2253 *
2254 * This function will search all existing DAI links of the soc card to
2255 * find the link of the same ID. Since DAI links may not have their
2256 * unique ID, so name and stream name should also match if being
2257 * specified.
2258 *
2259 * Return: pointer of DAI link, or NULL if not found.
2260 */
2261static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2262 int id, const char *name,
2263 const char *stream_name)
2264{
2265 struct snd_soc_pcm_runtime *rtd;
2266 struct snd_soc_dai_link *link;
2267
2268 for_each_card_rtds(card, rtd) {
2269 link = rtd->dai_link;
2270
2271 if (link->id != id)
2272 continue;
2273
2274 if (name && (!link->name || strcmp(name, link->name)))
2275 continue;
2276
2277 if (stream_name && (!link->stream_name
2278 || strcmp(stream_name, link->stream_name)))
2279 continue;
2280
2281 return link;
2282 }
2283
2284 return NULL;
2285}
2286
593d9e52
ML		 2287/* Find and configure an existing physical DAI link */
2288static int soc_tplg_link_config(struct soc_tplg *tplg,
2289 struct snd_soc_tplg_link_config *cfg)
2290{
2291 struct snd_soc_dai_link *link;
2292 const char *name, *stream_name;
dbab1cb8 2293 size_t len;
593d9e52
ML		 2294 int ret;
2295
dbab1cb8
ML		 2296 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2297 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2298 return -EINVAL;
2299 else if (len)
2300 name = cfg->name;
2301 else
2302 name = NULL;
2303
2304 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2305 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2306 return -EINVAL;
2307 else if (len)
2308 stream_name = cfg->stream_name;
2309 else
2310 stream_name = NULL;
593d9e52 2311
5aebe7c7 2312 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2313 name, stream_name);
2314 if (!link) {
2315 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2316 name, cfg->id);
2317 return -EINVAL;
2318 }
2319
2320 /* hw format */
2321 if (cfg->num_hw_configs)
2322 set_link_hw_format(link, cfg);
2323
2324 /* flags */
2325 if (cfg->flag_mask)
5aebe7c7
PLB		 2326 set_link_flags(link,
2327 le32_to_cpu(cfg->flag_mask),
2328 le32_to_cpu(cfg->flags));
593d9e52
ML		 2329
2330 /* pass control to component driver for optional further init */
c60b613a 2331 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2332 if (ret < 0) {
2333 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2334 return ret;
2335 }
2336
adfebb51
B		 2337 /* for unloading it in snd_soc_tplg_component_remove */
2338 link->dobj.index = tplg->index;
2339 link->dobj.ops = tplg->ops;
2340 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2341 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2342
593d9e52
ML		 2343 return 0;
2344}
2345
2346
2347/* Load physical link config elements from the topology context */
2348static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2349 struct snd_soc_tplg_hdr *hdr)
2350{
2351 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2352 int count;
2353 int size;
593d9e52
ML		 2354 int i, ret;
2355 bool abi_match;
2356
5aebe7c7
PLB		 2357 count = le32_to_cpu(hdr->count);
2358
593d9e52
ML		 2359 /* check the element size and count */
2360 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2361 size = le32_to_cpu(link->size);
2362 if (size > sizeof(struct snd_soc_tplg_link_config)
2363 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2364 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2365 size);
593d9e52
ML		 2366 return -EINVAL;
2367 }
2368
2369 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2370 size, count,
2371 le32_to_cpu(hdr->payload_size),
2372 "physical link config")) {
593d9e52
ML		 2373 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2374 count);
2375 return -EINVAL;
2376 }
2377
2378 /* config physical DAI links */
2379 for (i = 0; i < count; i++) {
2380 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2381 size = le32_to_cpu(link->size);
2382 if (size == sizeof(*link)) {
593d9e52
ML		 2383 abi_match = true;
2384 _link = link;
2385 } else {
2386 abi_match = false;
2387 ret = link_new_ver(tplg, link, &_link);
2388 if (ret < 0)
2389 return ret;
2390 }
2391
2392 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2393 if (ret < 0) {
2394 if (!abi_match)
2395 kfree(_link);
593d9e52 2396 return ret;
2b2d5c4d 2397 }
593d9e52
ML		 2398
2399 /* offset by version-specific struct size and
2400 * real priv data size
2401 */
5aebe7c7 2402 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2403
2404 if (!abi_match)
2405 kfree(_link); /* free the duplicated one */
2406 }
2407
2408 return 0;
2409}
2410
9aa3f034
ML		 2411/**
2412 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2413 * @tplg: topology context
9aa3f034 2414 * @d: physical DAI configs.
0038be9a 2415 *
9aa3f034
ML		 2416 * The physical dai should already be registered by the platform driver.
2417 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2418 */
9aa3f034
ML		 2419static int soc_tplg_dai_config(struct soc_tplg *tplg,
2420 struct snd_soc_tplg_dai *d)
0038be9a 2421{
5aebe7c7 2422 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2423 struct snd_soc_dai *dai;
2424 struct snd_soc_dai_driver *dai_drv;
2425 struct snd_soc_pcm_stream *stream;
2426 struct snd_soc_tplg_stream_caps *caps;
2427 int ret;
2428
5aebe7c7
PLB		 2429 memset(&dai_component, 0, sizeof(dai_component));
2430
9aa3f034 2431 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2432 dai = snd_soc_find_dai(&dai_component);
2433 if (!dai) {
9aa3f034
ML		 2434 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2435 d->dai_name);
0038be9a
ML		 2436 return -EINVAL;
2437 }
2438
5aebe7c7 2439 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2440 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2441 d->dai_name);
0038be9a
ML		 2442 return -EINVAL;
2443 }
2444
2445 dai_drv = dai->driver;
2446 if (!dai_drv)
2447 return -EINVAL;
2448
9aa3f034 2449 if (d->playback) {
0038be9a 2450 stream = &dai_drv->playback;
9aa3f034 2451 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
abc3caac
AS		 2452 ret = set_stream_info(stream, caps);
2453 if (ret < 0)
2454 goto err;
0038be9a
ML		 2455 }
2456
9aa3f034 2457 if (d->capture) {
0038be9a 2458 stream = &dai_drv->capture;
9aa3f034 2459 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
abc3caac
AS		 2460 ret = set_stream_info(stream, caps);
2461 if (ret < 0)
2462 goto err;
0038be9a
ML		 2463 }
2464
9aa3f034 2465 if (d->flag_mask)
5aebe7c7
PLB		 2466 set_dai_flags(dai_drv,
2467 le32_to_cpu(d->flag_mask),
2468 le32_to_cpu(d->flags));
0038be9a
ML		 2469
2470 /* pass control to component driver for optional further init */
c60b613a 2471 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a
ML		 2472 if (ret < 0) {
2473 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
abc3caac 2474 goto err;
0038be9a
ML		 2475 }
2476
2477 return 0;
abc3caac
AS		 2478
2479err:
2480 kfree(dai_drv->playback.stream_name);
2481 kfree(dai_drv->capture.stream_name);
2482 return ret;
0038be9a
ML		 2483}
2484
9aa3f034
ML		 2485/* load physical DAI elements */
2486static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2487 struct snd_soc_tplg_hdr *hdr)
0038be9a 2488{
9aa3f034 2489 struct snd_soc_tplg_dai *dai;
5aebe7c7 2490 int count;
dd8e871d 2491 int i, ret;
0038be9a 2492
5aebe7c7
PLB		 2493 count = le32_to_cpu(hdr->count);
2494
0038be9a
ML		 2495 /* config the existing BE DAIs */
2496 for (i = 0; i < count; i++) {
9aa3f034 2497 dai = (struct snd_soc_tplg_dai *)tplg->pos;
5aebe7c7 2498 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2499 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2500 return -EINVAL;
2501 }
2502
dd8e871d
AS		 2503 ret = soc_tplg_dai_config(tplg, dai);
2504 if (ret < 0) {
2505 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2506 return ret;
2507 }
2508
5aebe7c7 2509 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2510 }
2511
2512 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2513 return 0;
2514}
2515
583958fa
ML		 2516/**
2517 * manifest_new_ver - Create a new version of manifest from the old version
2518 * of source.
8abab35f 2519 * @tplg: topology context
583958fa
ML		 2520 * @src: old version of manifest as a source
2521 * @manifest: latest version of manifest created from the source
2522 *
2523 * Support from vesion 4. Users need free the returned manifest manually.
2524 */
2525static int manifest_new_ver(struct soc_tplg *tplg,
2526 struct snd_soc_tplg_manifest *src,
2527 struct snd_soc_tplg_manifest **manifest)
2528{
2529 struct snd_soc_tplg_manifest *dest;
2530 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2531 int size;
583958fa
ML		 2532
2533 *manifest = NULL;
2534
5aebe7c7
PLB		 2535 size = le32_to_cpu(src->size);
2536 if (size != sizeof(*src_v4)) {
ac9391da 2537 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2538 size);
2539 if (size)
ac9391da 2540 return -EINVAL;
5aebe7c7 2541 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2542 }
2543
2544 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2545
2546 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2547 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2548 GFP_KERNEL);
583958fa
ML		 2549 if (!dest)
2550 return -ENOMEM;
2551
5aebe7c7 2552 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2553 dest->control_elems = src_v4->control_elems;
2554 dest->widget_elems = src_v4->widget_elems;
2555 dest->graph_elems = src_v4->graph_elems;
2556 dest->pcm_elems = src_v4->pcm_elems;
2557 dest->dai_link_elems = src_v4->dai_link_elems;
2558 dest->priv.size = src_v4->priv.size;
2559 if (dest->priv.size)
2560 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2561 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2562
2563 *manifest = dest;
2564 return 0;
2565}
0038be9a 2566
8a978234 2567static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2568 struct snd_soc_tplg_hdr *hdr)
8a978234 2569{
583958fa
ML		 2570 struct snd_soc_tplg_manifest *manifest, *_manifest;
2571 bool abi_match;
242c46c0 2572 int ret = 0;
8a978234 2573
8a978234 2574 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2575
583958fa 2576 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2577 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2578 abi_match = true;
2579 _manifest = manifest;
2580 } else {
2581 abi_match = false;
242c46c0
DT		 2582 ret = manifest_new_ver(tplg, manifest, &_manifest);
2583 if (ret < 0)
2584 return ret;
583958fa 2585 }
8a978234 2586
583958fa 2587 /* pass control to component driver for optional further init */
c42464a4 2588 if (tplg->ops && tplg->ops->manifest)
242c46c0 2589 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2590
2591 if (!abi_match) /* free the duplicated one */
2592 kfree(_manifest);
8a978234 2593
242c46c0 2594 return ret;
8a978234
LG		 2595}
2596
2597/* validate header magic, size and type */
2598static int soc_valid_header(struct soc_tplg *tplg,
2599 struct snd_soc_tplg_hdr *hdr)
2600{
2601 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2602 return 0;
2603
5aebe7c7 2604 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2605 dev_err(tplg->dev,
2606 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2607 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2608 tplg->fw->size);
2609 return -EINVAL;
2610 }
2611
8a978234 2612 /* big endian firmware objects not supported atm */
26d87881 2613 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2614 dev_err(tplg->dev,
2615 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2616 tplg->pass, hdr->magic,
2617 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2618 return -EINVAL;
2619 }
2620
5aebe7c7 2621 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2622 dev_err(tplg->dev,
2623 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2624 tplg->pass, hdr->magic,
2625 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2626 return -EINVAL;
2627 }
2628
288b8da7 2629 /* Support ABI from version 4 */
5aebe7c7
PLB		 2630 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2631 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2632 dev_err(tplg->dev,
2633 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2634 tplg->pass, hdr->abi,
2635 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2636 tplg->fw->size);
2637 return -EINVAL;
2638 }
2639
2640 if (hdr->payload_size == 0) {
2641 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2642 soc_tplg_get_hdr_offset(tplg));
2643 return -EINVAL;
2644 }
2645
8a978234
LG		 2646 return 1;
2647}
2648
2649/* check header type and call appropriate handler */
2650static int soc_tplg_load_header(struct soc_tplg *tplg,
2651 struct snd_soc_tplg_hdr *hdr)
2652{
82ed7418
KJ		 2653 int (*elem_load)(struct soc_tplg *tplg,
2654 struct snd_soc_tplg_hdr *hdr);
2655 unsigned int hdr_pass;
2656
8a978234
LG		 2657 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2658
2659 /* check for matching ID */
5aebe7c7 2660 if (le32_to_cpu(hdr->index) != tplg->req_index &&
bb97142b 2661 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2662 return 0;
2663
5aebe7c7 2664 tplg->index = le32_to_cpu(hdr->index);
8a978234 2665
5aebe7c7 2666 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2667 case SND_SOC_TPLG_TYPE_MIXER:
2668 case SND_SOC_TPLG_TYPE_ENUM:
2669 case SND_SOC_TPLG_TYPE_BYTES:
82ed7418
KJ		 2670 hdr_pass = SOC_TPLG_PASS_MIXER;
2671 elem_load = soc_tplg_kcontrol_elems_load;
2672 break;
8a978234 2673 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2674 hdr_pass = SOC_TPLG_PASS_GRAPH;
2675 elem_load = soc_tplg_dapm_graph_elems_load;
2676 break;
8a978234 2677 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2678 hdr_pass = SOC_TPLG_PASS_WIDGET;
2679 elem_load = soc_tplg_dapm_widget_elems_load;
2680 break;
8a978234 2681 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2682 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2683 elem_load = soc_tplg_pcm_elems_load;
2684 break;
3fbf7935 2685 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2686 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2687 elem_load = soc_tplg_dai_elems_load;
2688 break;
593d9e52
ML		 2689 case SND_SOC_TPLG_TYPE_DAI_LINK:
2690 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2691 /* physical link configurations */
82ed7418
KJ		 2692 hdr_pass = SOC_TPLG_PASS_LINK;
2693 elem_load = soc_tplg_link_elems_load;
2694 break;
8a978234 2695 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2696 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2697 elem_load = soc_tplg_manifest_load;
2698 break;
8a978234
LG		 2699 default:
2700 /* bespoke vendor data object */
82ed7418
KJ		 2701 hdr_pass = SOC_TPLG_PASS_VENDOR;
2702 elem_load = soc_tplg_vendor_load;
2703 break;
2704 }
2705
2706 if (tplg->pass == hdr_pass) {
2707 dev_dbg(tplg->dev,
2708 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2709 hdr->payload_size, hdr->type, hdr->version,
2710 hdr->vendor_type, tplg->pass);
2711 return elem_load(tplg, hdr);
8a978234
LG		 2712 }
2713
2714 return 0;
2715}
2716
2717/* process the topology file headers */
2718static int soc_tplg_process_headers(struct soc_tplg *tplg)
2719{
2720 struct snd_soc_tplg_hdr *hdr;
2721 int ret;
2722
2723 tplg->pass = SOC_TPLG_PASS_START;
2724
2725 /* process the header types from start to end */
2726 while (tplg->pass <= SOC_TPLG_PASS_END) {
2727
2728 tplg->hdr_pos = tplg->fw->data;
2729 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2730
2731 while (!soc_tplg_is_eof(tplg)) {
2732
2733 /* make sure header is valid before loading */
2734 ret = soc_valid_header(tplg, hdr);
2735 if (ret < 0)
2736 return ret;
2737 else if (ret == 0)
2738 break;
2739
2740 /* load the header object */
2741 ret = soc_tplg_load_header(tplg, hdr);
2742 if (ret < 0)
2743 return ret;
2744
2745 /* goto next header */
5aebe7c7 2746 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2747 sizeof(struct snd_soc_tplg_hdr);
2748 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2749 }
2750
2751 /* next data type pass */
2752 tplg->pass++;
2753 }
2754
2755 /* signal DAPM we are complete */
2756 ret = soc_tplg_dapm_complete(tplg);
2757 if (ret < 0)
2758 dev_err(tplg->dev,
2759 "ASoC: failed to initialise DAPM from Firmware\n");
2760
2761 return ret;
2762}
2763
2764static int soc_tplg_load(struct soc_tplg *tplg)
2765{
2766 int ret;
2767
2768 ret = soc_tplg_process_headers(tplg);
2769 if (ret == 0)
2770 soc_tplg_complete(tplg);
2771
2772 return ret;
2773}
2774
2775/* load audio component topology from "firmware" file */
2776int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2777 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2778{
2779 struct soc_tplg tplg;
304017d3 2780 int ret;
8a978234 2781
c42464a4
AS		 2782 /* component needs to exist to keep and reference data while parsing */
2783 if (!comp)
2784 return -EINVAL;
8a978234
LG		 2785
2786 /* setup parsing context */
2787 memset(&tplg, 0, sizeof(tplg));
2788 tplg.fw = fw;
2789 tplg.dev = comp->dev;
2790 tplg.comp = comp;
2791 tplg.ops = ops;
2792 tplg.req_index = id;
2793 tplg.io_ops = ops->io_ops;
2794 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2795 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2796 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234 2797
304017d3
B		 2798 ret = soc_tplg_load(&tplg);
2799 /* free the created components if fail to load topology */
2800 if (ret)
2801 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2802
2803 return ret;
8a978234
LG		 2804}
2805EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2806
2807/* remove this dynamic widget */
2808void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2809{
2810 /* make sure we are a widget */
2811 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2812 return;
2813
2814 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2815}
2816EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2817
2818/* remove all dynamic widgets from this DAPM context */
2819void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2820 u32 index)
2821{
2822 struct snd_soc_dapm_widget *w, *next_w;
8a978234 2823
14596692 2824 for_each_card_widgets_safe(dapm->card, w, next_w) {
8a978234
LG		 2825
2826 /* make sure we are a widget with correct context */
2827 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2828 continue;
2829
2830 /* match ID */
2831 if (w->dobj.index != index &&
2832 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2833 continue;
8a978234
LG		 2834 /* check and free and dynamic widget kcontrols */
2835 snd_soc_tplg_widget_remove(w);
b97e2698 2836 snd_soc_dapm_free_widget(w);
8a978234 2837 }
fd589a1b 2838 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2839}
2840EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2841
2842/* remove dynamic controls from the component driver */
2843int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2844{
2845 struct snd_soc_dobj *dobj, *next_dobj;
2846 int pass = SOC_TPLG_PASS_END;
2847
2848 /* process the header types from end to start */
2849 while (pass >= SOC_TPLG_PASS_START) {
2850
2851 /* remove mixer controls */
2852 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2853 list) {
2854
2855 /* match index */
2856 if (dobj->index != index &&
feb12f0c 2857 index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2858 continue;
2859
2860 switch (dobj->type) {
2861 case SND_SOC_DOBJ_MIXER:
2862 remove_mixer(comp, dobj, pass);
2863 break;
2864 case SND_SOC_DOBJ_ENUM:
2865 remove_enum(comp, dobj, pass);
2866 break;
2867 case SND_SOC_DOBJ_BYTES:
2868 remove_bytes(comp, dobj, pass);
2869 break;
7df04ea7
RS		 2870 case SND_SOC_DOBJ_GRAPH:
2871 remove_route(comp, dobj, pass);
2872 break;
8a978234
LG		 2873 case SND_SOC_DOBJ_WIDGET:
2874 remove_widget(comp, dobj, pass);
2875 break;
2876 case SND_SOC_DOBJ_PCM:
64527e8a 2877 remove_dai(comp, dobj, pass);
8a978234 2878 break;
acfc7d46
ML		 2879 case SND_SOC_DOBJ_DAI_LINK:
2880 remove_link(comp, dobj, pass);
2881 break;
adfebb51
B		 2882 case SND_SOC_DOBJ_BACKEND_LINK:
2883 /*
2884 * call link_unload ops if extra
2885 * deinitialization is needed.
2886 */
2887 remove_backend_link(comp, dobj, pass);
2888 break;
8a978234
LG		 2889 default:
2890 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2891 dobj->type);
2892 break;
2893 }
2894 }
2895 pass--;
2896 }
2897
2898 /* let caller know if FW can be freed when no objects are left */
2899 return !list_empty(&comp->dobj_list);
2900}
2901EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)