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ASoC: topology: Fix route memory corruption
[linux-2.6-block.git] / sound / soc / soc-topology.c
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f2b6a1b2
KM		 1// SPDX-License-Identifier: GPL-2.0+
2//
3// soc-topology.c -- ALSA SoC Topology
4//
5// Copyright (C) 2012 Texas Instruments Inc.
6// Copyright (C) 2015 Intel Corporation.
7//
8// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9// K, Mythri P <mythri.p.k@intel.com>
10// Prusty, Subhransu S <subhransu.s.prusty@intel.com>
11// B, Jayachandran <jayachandran.b@intel.com>
12// Abdullah, Omair M <omair.m.abdullah@intel.com>
13// Jin, Yao <yao.jin@intel.com>
14// Lin, Mengdong <mengdong.lin@intel.com>
15//
16// Add support to read audio firmware topology alongside firmware text. The
17// topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
18// equalizers, firmware, coefficients etc.
19//
20// This file only manages the core ALSA and ASoC components, all other bespoke
21// firmware topology data is passed to component drivers for bespoke handling.
8a978234
LG		 22
23#include <linux/kernel.h>
24#include <linux/export.h>
25#include <linux/list.h>
26#include <linux/firmware.h>
27#include <linux/slab.h>
28#include <sound/soc.h>
29#include <sound/soc-dapm.h>
30#include <sound/soc-topology.h>
28a87eeb 31#include <sound/tlv.h>
8a978234 32
2114171d
PLB		 33#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
34
8a978234
LG		 35/*
36 * We make several passes over the data (since it wont necessarily be ordered)
37 * and process objects in the following order. This guarantees the component
38 * drivers will be ready with any vendor data before the mixers and DAPM objects
39 * are loaded (that may make use of the vendor data).
40 */
41#define SOC_TPLG_PASS_MANIFEST 0
42#define SOC_TPLG_PASS_VENDOR 1
5e2cd47a 43#define SOC_TPLG_PASS_CONTROL 2
8a978234 44#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 45#define SOC_TPLG_PASS_PCM_DAI 4
46#define SOC_TPLG_PASS_GRAPH 5
6257d224
AS		 47#define SOC_TPLG_PASS_BE_DAI 6
48#define SOC_TPLG_PASS_LINK 7
8a978234
LG		 49
50#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 51#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 52
583958fa 53/* topology context */
8a978234
LG		 54struct soc_tplg {
55 const struct firmware *fw;
56
57 /* runtime FW parsing */
00ac8389 58 const u8 *pos; /* read position */
8a978234
LG		 59 const u8 *hdr_pos; /* header position */
60 unsigned int pass; /* pass number */
61
62 /* component caller */
63 struct device *dev;
64 struct snd_soc_component *comp;
65 u32 index; /* current block index */
8a978234 66
88a17d8f 67 /* vendor specific kcontrol operations */
8a978234
LG		 68 const struct snd_soc_tplg_kcontrol_ops *io_ops;
69 int io_ops_count;
70
1a3232d2
ML		 71 /* vendor specific bytes ext handlers, for TLV bytes controls */
72 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
73 int bytes_ext_ops_count;
74
8a978234
LG		 75 /* optional fw loading callbacks to component drivers */
76 struct snd_soc_tplg_ops *ops;
77};
78
8a978234
LG		 79/* check we dont overflow the data for this control chunk */
80static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
81 unsigned int count, size_t bytes, const char *elem_type)
82{
83 const u8 *end = tplg->pos + elem_size * count;
84
85 if (end > tplg->fw->data + tplg->fw->size) {
86 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
87 elem_type);
88 return -EINVAL;
89 }
90
91 /* check there is enough room in chunk for control.
92 extra bytes at the end of control are for vendor data here */
93 if (elem_size * count > bytes) {
94 dev_err(tplg->dev,
95 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
96 elem_type, count, elem_size, bytes);
97 return -EINVAL;
98 }
99
100 return 0;
101}
102
4fad3cc6 103static inline bool soc_tplg_is_eof(struct soc_tplg *tplg)
8a978234
LG		 104{
105 const u8 *end = tplg->hdr_pos;
106
107 if (end >= tplg->fw->data + tplg->fw->size)
4fad3cc6
AS		 108 return true;
109 return false;
8a978234
LG		 110}
111
112static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
113{
114 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
115}
116
117static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
118{
119 return (unsigned long)(tplg->pos - tplg->fw->data);
120}
121
122/* mapping of Kcontrol types and associated operations. */
123static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
124 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
125 snd_soc_put_volsw, snd_soc_info_volsw},
126 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
127 snd_soc_put_volsw_sx, NULL},
128 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
129 snd_soc_put_enum_double, snd_soc_info_enum_double},
130 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
131 snd_soc_put_enum_double, NULL},
132 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
133 snd_soc_bytes_put, snd_soc_bytes_info},
134 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
135 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
136 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
137 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
138 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
139 snd_soc_put_strobe, NULL},
140 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 141 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 142 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
143 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
144 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
145 snd_soc_dapm_put_enum_double, NULL},
146 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
147 snd_soc_dapm_put_enum_double, NULL},
148 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
149 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
150};
151
152struct soc_tplg_map {
153 int uid;
154 int kid;
155};
156
157/* mapping of widget types from UAPI IDs to kernel IDs */
158static const struct soc_tplg_map dapm_map[] = {
159 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
160 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
161 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
162 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
163 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
164 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
165 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
166 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
167 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
168 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
169 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
170 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
171 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
172 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
173 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
174 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 175 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
176 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
177 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
178 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
179 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
180 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
181 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
182 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 183};
184
8f9974d9 185static int tplg_chan_get_reg(struct soc_tplg *tplg,
8a978234
LG		 186 struct snd_soc_tplg_channel *chan, int map)
187{
188 int i;
189
190 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 191 if (le32_to_cpu(chan[i].id) == map)
192 return le32_to_cpu(chan[i].reg);
8a978234
LG		 193 }
194
195 return -EINVAL;
196}
197
8f9974d9 198static int tplg_chan_get_shift(struct soc_tplg *tplg,
8a978234
LG		 199 struct snd_soc_tplg_channel *chan, int map)
200{
201 int i;
202
203 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 204 if (le32_to_cpu(chan[i].id) == map)
205 return le32_to_cpu(chan[i].shift);
8a978234
LG		 206 }
207
208 return -EINVAL;
209}
210
211static int get_widget_id(int tplg_type)
212{
213 int i;
214
215 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
216 if (tplg_type == dapm_map[i].uid)
217 return dapm_map[i].kid;
218 }
219
220 return -EINVAL;
221}
222
8a978234
LG		 223static inline void soc_bind_err(struct soc_tplg *tplg,
224 struct snd_soc_tplg_ctl_hdr *hdr, int index)
225{
226 dev_err(tplg->dev,
227 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
228 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
229 soc_tplg_get_offset(tplg));
230}
231
232static inline void soc_control_err(struct soc_tplg *tplg,
233 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
234{
235 dev_err(tplg->dev,
34b31045 236 "ASoC: no complete control IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
8a978234
LG		 237 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
238 soc_tplg_get_offset(tplg));
239}
240
241/* pass vendor data to component driver for processing */
c2cbd0a7
KJ		 242static int soc_tplg_vendor_load(struct soc_tplg *tplg,
243 struct snd_soc_tplg_hdr *hdr)
8a978234
LG		 244{
245 int ret = 0;
246
c42464a4 247 if (tplg->ops && tplg->ops->vendor_load)
c60b613a 248 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 249 else {
250 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
251 hdr->vendor_type);
252 return -EINVAL;
253 }
254
255 if (ret < 0)
256 dev_err(tplg->dev,
257 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
258 soc_tplg_get_hdr_offset(tplg),
259 soc_tplg_get_hdr_offset(tplg),
260 hdr->type, hdr->vendor_type);
261 return ret;
262}
263
8a978234
LG		 264/* optionally pass new dynamic widget to component driver. This is mainly for
265 * external widgets where we can assign private data/ops */
266static int soc_tplg_widget_load(struct soc_tplg *tplg,
267 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
268{
c42464a4 269 if (tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 270 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
271 tplg_w);
8a978234
LG		 272
273 return 0;
274}
275
ebd259d3
LG		 276/* optionally pass new dynamic widget to component driver. This is mainly for
277 * external widgets where we can assign private data/ops */
278static int soc_tplg_widget_ready(struct soc_tplg *tplg,
279 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
280{
c42464a4 281 if (tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 282 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
283 tplg_w);
ebd259d3
LG		 284
285 return 0;
286}
287
183b8021 288/* pass DAI configurations to component driver for extra initialization */
64527e8a 289static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 290 struct snd_soc_dai_driver *dai_drv,
291 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 292{
c42464a4 293 if (tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 294 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
295 pcm, dai);
8a978234
LG		 296
297 return 0;
298}
299
183b8021 300/* pass link configurations to component driver for extra initialization */
acfc7d46 301static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 302 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46 303{
c42464a4 304 if (tplg->ops && tplg->ops->link_load)
c60b613a 305 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 306
307 return 0;
308}
309
8a978234 310/* tell the component driver that all firmware has been loaded in this request */
415717e1 311static int soc_tplg_complete(struct soc_tplg *tplg)
8a978234 312{
c42464a4 313 if (tplg->ops && tplg->ops->complete)
415717e1
RS		 314 return tplg->ops->complete(tplg->comp);
315
316 return 0;
8a978234
LG		 317}
318
319/* add a dynamic kcontrol */
320static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
321 const struct snd_kcontrol_new *control_new, const char *prefix,
322 void *data, struct snd_kcontrol **kcontrol)
323{
324 int err;
325
326 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
327 if (*kcontrol == NULL) {
328 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
329 control_new->name);
330 return -ENOMEM;
331 }
332
333 err = snd_ctl_add(card, *kcontrol);
334 if (err < 0) {
335 dev_err(dev, "ASoC: Failed to add %s: %d\n",
336 control_new->name, err);
337 return err;
338 }
339
340 return 0;
341}
342
343/* add a dynamic kcontrol for component driver */
344static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
345 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
346{
347 struct snd_soc_component *comp = tplg->comp;
348
349 return soc_tplg_add_dcontrol(comp->card->snd_card,
2a710bb3 350 tplg->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 351}
352
fdfa3661
AS		 353/* remove kcontrol */
354static void soc_tplg_remove_kcontrol(struct snd_soc_component *comp, struct snd_soc_dobj *dobj,
355 int pass)
8a978234
LG		 356{
357 struct snd_card *card = comp->card->snd_card;
8a978234 358
5e2cd47a 359 if (pass != SOC_TPLG_PASS_CONTROL)
8a978234
LG		 360 return;
361
31e92739
AS		 362 if (dobj->unload)
363 dobj->unload(comp, dobj);
8a978234 364
33ae6ae2
AS		 365 snd_ctl_remove(card, dobj->control.kcontrol);
366 list_del(&dobj->list);
8a978234
LG		 367}
368
7df04ea7 369/* remove a route */
2abfd4bd 370static void soc_tplg_remove_route(struct snd_soc_component *comp,
7df04ea7
RS		 371 struct snd_soc_dobj *dobj, int pass)
372{
7df04ea7
RS		 373 if (pass != SOC_TPLG_PASS_GRAPH)
374 return;
375
31e92739
AS		 376 if (dobj->unload)
377 dobj->unload(comp, dobj);
7df04ea7
RS		 378
379 list_del(&dobj->list);
7df04ea7
RS		 380}
381
8a978234 382/* remove a widget and it's kcontrols - routes must be removed first */
2abfd4bd 383static void soc_tplg_remove_widget(struct snd_soc_component *comp,
8a978234
LG		 384 struct snd_soc_dobj *dobj, int pass)
385{
386 struct snd_card *card = comp->card->snd_card;
387 struct snd_soc_dapm_widget *w =
388 container_of(dobj, struct snd_soc_dapm_widget, dobj);
389 int i;
390
391 if (pass != SOC_TPLG_PASS_WIDGET)
392 return;
393
31e92739
AS		 394 if (dobj->unload)
395 dobj->unload(comp, dobj);
8a978234 396
05bdcf12
LG		 397 if (!w->kcontrols)
398 goto free_news;
399
8d456654
AS		 400 for (i = 0; w->kcontrols && i < w->num_kcontrols; i++)
401 snd_ctl_remove(card, w->kcontrols[i]);
05bdcf12
LG		 402
403free_news:
05bdcf12 404
a46e8393
AS		 405 list_del(&dobj->list);
406
8a978234
LG		 407 /* widget w is freed by soc-dapm.c */
408}
409
64527e8a 410/* remove DAI configurations */
2abfd4bd 411static void soc_tplg_remove_dai(struct snd_soc_component *comp,
8a978234
LG		 412 struct snd_soc_dobj *dobj, int pass)
413{
64527e8a
ML		 414 struct snd_soc_dai_driver *dai_drv =
415 container_of(dobj, struct snd_soc_dai_driver, dobj);
fc4cb1e1 416 struct snd_soc_dai *dai, *_dai;
64527e8a 417
8a978234
LG		 418 if (pass != SOC_TPLG_PASS_PCM_DAI)
419 return;
420
31e92739
AS		 421 if (dobj->unload)
422 dobj->unload(comp, dobj);
8a978234 423
fc4cb1e1 424 for_each_component_dais_safe(comp, dai, _dai)
52abe6cc 425 if (dai->driver == dai_drv)
fc4cb1e1 426 snd_soc_unregister_dai(dai);
52abe6cc 427
8a978234 428 list_del(&dobj->list);
8a978234
LG		 429}
430
acfc7d46 431/* remove link configurations */
2abfd4bd 432static void soc_tplg_remove_link(struct snd_soc_component *comp,
acfc7d46
ML		 433 struct snd_soc_dobj *dobj, int pass)
434{
435 struct snd_soc_dai_link *link =
436 container_of(dobj, struct snd_soc_dai_link, dobj);
437
438 if (pass != SOC_TPLG_PASS_PCM_DAI)
439 return;
440
31e92739
AS		 441 if (dobj->unload)
442 dobj->unload(comp, dobj);
acfc7d46 443
dd836ddf 444 list_del(&dobj->list);
50cd9b53
KM		 445 snd_soc_remove_pcm_runtime(comp->card,
446 snd_soc_get_pcm_runtime(comp->card, link));
acfc7d46
ML		 447}
448
adfebb51
B		 449/* unload dai link */
450static void remove_backend_link(struct snd_soc_component *comp,
451 struct snd_soc_dobj *dobj, int pass)
452{
453 if (pass != SOC_TPLG_PASS_LINK)
454 return;
455
31e92739
AS		 456 if (dobj->unload)
457 dobj->unload(comp, dobj);
adfebb51
B		 458
459 /*
2abfd4bd 460 * We don't free the link here as what soc_tplg_remove_link() do since BE
adfebb51
B		 461 * links are not allocated by topology.
462 * We however need to reset the dobj type to its initial values
463 */
464 dobj->type = SND_SOC_DOBJ_NONE;
465 list_del(&dobj->list);
466}
467
8a978234
LG		 468/* bind a kcontrol to it's IO handlers */
469static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
470 struct snd_kcontrol_new *k,
2b5cdb91 471 const struct soc_tplg *tplg)
8a978234 472{
2b5cdb91 473 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 474 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 475 int num_ops, i;
8a978234 476
5aebe7c7 477 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2 478 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
feb00b73
AS		 479 && (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ
480 || k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
1a3232d2
ML		 481 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
482 struct soc_bytes_ext *sbe;
483 struct snd_soc_tplg_bytes_control *be;
484
485 sbe = (struct soc_bytes_ext *)k->private_value;
486 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
487
488 /* TLV bytes controls need standard kcontrol info handler,
489 * TLV callback and extended put/get handlers.
490 */
f4be978b 491 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 492 k->tlv.c = snd_soc_bytes_tlv_callback;
493
6788fc1a
PLB		 494 /*
495 * When a topology-based implementation abuses the
496 * control interface and uses bytes_ext controls of
497 * more than 512 bytes, we need to disable the size
498 * checks, otherwise accesses to such controls will
499 * return an -EINVAL error and prevent the card from
500 * being configured.
501 */
2c7463d0 502 if (sbe->max > 512)
6788fc1a
PLB		 503 k->access |= SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK;
504
1a3232d2
ML		 505 ext_ops = tplg->bytes_ext_ops;
506 num_ops = tplg->bytes_ext_ops_count;
507 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 508 if (!sbe->put &&
509 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 510 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 511 if (!sbe->get &&
512 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 513 sbe->get = ext_ops[i].get;
514 }
515
819b9f60 516 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get)
1a3232d2 517 return -EINVAL;
819b9f60
D		 518 if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put)
519 return -EINVAL;
520 return 0;
1a3232d2 521 }
8a978234 522
88a17d8f 523 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 524 ops = tplg->io_ops;
525 num_ops = tplg->io_ops_count;
8a978234
LG		 526 for (i = 0; i < num_ops; i++) {
527
72bbeda0 528 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 529 k->put = ops[i].put;
72bbeda0 530 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 531 k->get = ops[i].get;
72bbeda0 532 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 533 k->info = ops[i].info;
534 }
535
88a17d8f 536 /* vendor specific handlers found ? */
8a978234
LG		 537 if (k->put && k->get && k->info)
538 return 0;
539
88a17d8f 540 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 541 ops = io_ops;
542 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 543 for (i = 0; i < num_ops; i++) {
8a978234 544
72bbeda0 545 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 546 k->put = ops[i].put;
72bbeda0 547 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 548 k->get = ops[i].get;
72bbeda0 549 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 550 k->info = ops[i].info;
8a978234
LG		 551 }
552
88a17d8f 553 /* standard handlers found ? */
8a978234
LG		 554 if (k->put && k->get && k->info)
555 return 0;
556
557 /* nothing to bind */
558 return -EINVAL;
559}
560
561/* bind a widgets to it's evnt handlers */
562int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
563 const struct snd_soc_tplg_widget_events *events,
564 int num_events, u16 event_type)
565{
566 int i;
567
568 w->event = NULL;
569
570 for (i = 0; i < num_events; i++) {
571 if (event_type == events[i].type) {
572
573 /* found - so assign event */
574 w->event = events[i].event_handler;
575 return 0;
576 }
577 }
578
579 /* not found */
580 return -EINVAL;
581}
582EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
583
584/* optionally pass new dynamic kcontrol to component driver. */
430791dd 585static int soc_tplg_control_load(struct soc_tplg *tplg,
8a978234
LG		 586 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
587{
ec5dffcd
AS		 588 int ret = 0;
589
c42464a4 590 if (tplg->ops && tplg->ops->control_load)
ec5dffcd 591 ret = tplg->ops->control_load(tplg->comp, tplg->index, k, hdr);
8a978234 592
ec5dffcd
AS		 593 if (ret)
594 dev_err(tplg->dev, "ASoC: failed to init %s\n", hdr->name);
595
596 return ret;
8a978234
LG		 597}
598
8a978234 599
28a87eeb
ML		 600static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
601 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
602{
603 unsigned int item_len = 2 * sizeof(unsigned int);
604 unsigned int *p;
8a978234 605
ff922622 606 p = devm_kzalloc(tplg->dev, item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
28a87eeb 607 if (!p)
8a978234
LG		 608 return -ENOMEM;
609
28a87eeb
ML		 610 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
611 p[1] = item_len;
5aebe7c7
PLB		 612 p[2] = le32_to_cpu(scale->min);
613 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
614 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 615
616 kc->tlv.p = (void *)p;
617 return 0;
618}
619
620static int soc_tplg_create_tlv(struct soc_tplg *tplg,
621 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
622{
623 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 624 u32 access = le32_to_cpu(tc->access);
28a87eeb 625
5aebe7c7 626 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 627 return 0;
8a978234 628
5aebe7c7 629 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 630 tplg_tlv = &tc->tlv;
5aebe7c7 631 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 632 case SNDRV_CTL_TLVT_DB_SCALE:
633 return soc_tplg_create_tlv_db_scale(tplg, kc,
634 &tplg_tlv->scale);
635
636 /* TODO: add support for other TLV types */
637 default:
638 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
639 tplg_tlv->type);
640 return -EINVAL;
641 }
642 }
8a978234
LG		 643
644 return 0;
645}
646
0db627c4 647static int soc_tplg_dbytes_create(struct soc_tplg *tplg, size_t size)
8a978234
LG		 648{
649 struct snd_soc_tplg_bytes_control *be;
650 struct soc_bytes_ext *sbe;
651 struct snd_kcontrol_new kc;
0db627c4 652 int ret = 0;
8a978234
LG		 653
654 if (soc_tplg_check_elem_count(tplg,
3ce57f22 655 sizeof(struct snd_soc_tplg_bytes_control),
0db627c4 656 1, size, "mixer bytes"))
8a978234 657 return -EINVAL;
8a978234 658
0db627c4 659 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 660
0db627c4
AS		 661 /* validate kcontrol */
662 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
663 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
664 return -EINVAL;
8a978234 665
0db627c4
AS		 666 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
667 if (sbe == NULL)
668 return -ENOMEM;
8a978234 669
0db627c4
AS		 670 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
671 le32_to_cpu(be->priv.size));
672
673 dev_dbg(tplg->dev,
674 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
675 be->hdr.name, be->hdr.access);
676
677 memset(&kc, 0, sizeof(kc));
678 kc.name = be->hdr.name;
679 kc.private_value = (long)sbe;
680 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
681 kc.access = le32_to_cpu(be->hdr.access);
682
683 sbe->max = le32_to_cpu(be->max);
684 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
31e92739
AS		 685 if (tplg->ops)
686 sbe->dobj.unload = tplg->ops->control_unload;
0db627c4
AS		 687 INIT_LIST_HEAD(&sbe->dobj.list);
688
689 /* map io handlers */
690 ret = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
691 if (ret) {
692 soc_control_err(tplg, &be->hdr, be->hdr.name);
693 goto err;
694 }
8a978234 695
0db627c4 696 /* pass control to driver for optional further init */
9e2ee000 697 ret = soc_tplg_control_load(tplg, &kc, &be->hdr);
ec5dffcd 698 if (ret < 0)
0db627c4 699 goto err;
8a978234 700
0db627c4
AS		 701 /* register control here */
702 ret = soc_tplg_add_kcontrol(tplg, &kc, &sbe->dobj.control.kcontrol);
2316c11f 703 if (ret < 0)
0db627c4 704 goto err;
8a978234 705
0db627c4
AS		 706 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
707
708err:
709 return ret;
8a978234
LG		 710}
711
0db627c4 712static int soc_tplg_dmixer_create(struct soc_tplg *tplg, size_t size)
8a978234
LG		 713{
714 struct snd_soc_tplg_mixer_control *mc;
715 struct soc_mixer_control *sm;
716 struct snd_kcontrol_new kc;
0db627c4 717 int ret = 0;
8a978234
LG		 718
719 if (soc_tplg_check_elem_count(tplg,
3ce57f22 720 sizeof(struct snd_soc_tplg_mixer_control),
0db627c4 721 1, size, "mixers"))
8a978234 722 return -EINVAL;
8a978234 723
0db627c4 724 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 725
0db627c4
AS		 726 /* validate kcontrol */
727 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
728 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
729 return -EINVAL;
8a978234 730
0db627c4
AS		 731 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
732 if (sm == NULL)
733 return -ENOMEM;
734 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
735 le32_to_cpu(mc->priv.size));
736
737 dev_dbg(tplg->dev,
738 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
739 mc->hdr.name, mc->hdr.access);
740
741 memset(&kc, 0, sizeof(kc));
742 kc.name = mc->hdr.name;
743 kc.private_value = (long)sm;
744 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
745 kc.access = le32_to_cpu(mc->hdr.access);
746
747 /* we only support FL/FR channel mapping atm */
8f9974d9
AS		 748 sm->reg = tplg_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FL);
749 sm->rreg = tplg_chan_get_reg(tplg, mc->channel, SNDRV_CHMAP_FR);
750 sm->shift = tplg_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FL);
751 sm->rshift = tplg_chan_get_shift(tplg, mc->channel, SNDRV_CHMAP_FR);
0db627c4
AS		 752
753 sm->max = le32_to_cpu(mc->max);
754 sm->min = le32_to_cpu(mc->min);
755 sm->invert = le32_to_cpu(mc->invert);
756 sm->platform_max = le32_to_cpu(mc->platform_max);
757 sm->dobj.index = tplg->index;
0db627c4 758 sm->dobj.type = SND_SOC_DOBJ_MIXER;
31e92739
AS		 759 if (tplg->ops)
760 sm->dobj.unload = tplg->ops->control_unload;
0db627c4
AS		 761 INIT_LIST_HEAD(&sm->dobj.list);
762
763 /* map io handlers */
764 ret = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
765 if (ret) {
766 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
767 goto err;
768 }
3789debf 769
0db627c4
AS		 770 /* create any TLV data */
771 ret = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
772 if (ret < 0) {
773 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n", mc->hdr.name);
774 goto err;
775 }
8a978234 776
0db627c4 777 /* pass control to driver for optional further init */
9e2ee000 778 ret = soc_tplg_control_load(tplg, &kc, &mc->hdr);
ec5dffcd 779 if (ret < 0)
0db627c4 780 goto err;
8a978234 781
0db627c4
AS		 782 /* register control here */
783 ret = soc_tplg_add_kcontrol(tplg, &kc, &sm->dobj.control.kcontrol);
2316c11f 784 if (ret < 0)
0db627c4 785 goto err;
8a978234 786
0db627c4
AS		 787 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
788
789err:
790 return ret;
8a978234
LG		 791}
792
ff922622
AS		 793static int soc_tplg_denum_create_texts(struct soc_tplg *tplg, struct soc_enum *se,
794 struct snd_soc_tplg_enum_control *ec)
8a978234
LG		 795{
796 int i, ret;
797
f5824e5c
AS		 798 if (le32_to_cpu(ec->items) > ARRAY_SIZE(ec->texts))
799 return -EINVAL;
800
8a978234 801 se->dobj.control.dtexts =
ff922622 802 devm_kcalloc(tplg->dev, le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 803 if (se->dobj.control.dtexts == NULL)
804 return -ENOMEM;
805
72bbeda0 806 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 807
808 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
809 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
810 ret = -EINVAL;
811 goto err;
812 }
813
ff922622 814 se->dobj.control.dtexts[i] = devm_kstrdup(tplg->dev, ec->texts[i], GFP_KERNEL);
8a978234
LG		 815 if (!se->dobj.control.dtexts[i]) {
816 ret = -ENOMEM;
817 goto err;
818 }
819 }
820
3cde818c 821 se->items = le32_to_cpu(ec->items);
b6e38b29 822 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 823 return 0;
824
825err:
3cde818c
AS		 826 return ret;
827}
828
ff922622
AS		 829static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum *se,
830 struct snd_soc_tplg_enum_control *ec)
8a978234 831{
5aebe7c7
PLB		 832 int i;
833
631c78ed
AS		 834 /*
835 * Following "if" checks if we have at most SND_SOC_TPLG_NUM_TEXTS
836 * values instead of using ARRAY_SIZE(ec->values) due to the fact that
837 * it is oversized for its purpose. Additionally it is done so because
838 * it is defined in UAPI header where it can't be easily changed.
839 */
840 if (le32_to_cpu(ec->items) > SND_SOC_TPLG_NUM_TEXTS)
8a978234
LG		 841 return -EINVAL;
842
631c78ed 843 se->dobj.control.dvalues = devm_kcalloc(tplg->dev, le32_to_cpu(ec->items),
543466ef 844 sizeof(*se->dobj.control.dvalues),
376c0afe 845 GFP_KERNEL);
8a978234
LG		 846 if (!se->dobj.control.dvalues)
847 return -ENOMEM;
848
5aebe7c7
PLB		 849 /* convert from little-endian */
850 for (i = 0; i < le32_to_cpu(ec->items); i++) {
851 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
852 }
853
8a978234
LG		 854 return 0;
855}
856
0db627c4 857static int soc_tplg_denum_create(struct soc_tplg *tplg, size_t size)
8a978234
LG		 858{
859 struct snd_soc_tplg_enum_control *ec;
860 struct soc_enum *se;
861 struct snd_kcontrol_new kc;
0db627c4 862 int ret = 0;
8a978234
LG		 863
864 if (soc_tplg_check_elem_count(tplg,
3ce57f22 865 sizeof(struct snd_soc_tplg_enum_control),
0db627c4 866 1, size, "enums"))
8a978234 867 return -EINVAL;
8a978234 868
0db627c4 869 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234 870
0db627c4
AS		 871 /* validate kcontrol */
872 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
873 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
874 return -EINVAL;
8a978234 875
0db627c4
AS		 876 se = devm_kzalloc(tplg->dev, (sizeof(*se)), GFP_KERNEL);
877 if (se == NULL)
878 return -ENOMEM;
8a978234 879
0db627c4
AS		 880 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
881 le32_to_cpu(ec->priv.size));
882
883 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
884 ec->hdr.name, ec->items);
885
886 memset(&kc, 0, sizeof(kc));
887 kc.name = ec->hdr.name;
888 kc.private_value = (long)se;
889 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
890 kc.access = le32_to_cpu(ec->hdr.access);
891
8f9974d9
AS		 892 se->reg = tplg_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
893 se->shift_l = tplg_chan_get_shift(tplg, ec->channel,
0db627c4 894 SNDRV_CHMAP_FL);
8f9974d9 895 se->shift_r = tplg_chan_get_shift(tplg, ec->channel,
0db627c4
AS		 896 SNDRV_CHMAP_FL);
897
898 se->mask = le32_to_cpu(ec->mask);
899 se->dobj.index = tplg->index;
900 se->dobj.type = SND_SOC_DOBJ_ENUM;
31e92739
AS		 901 if (tplg->ops)
902 se->dobj.unload = tplg->ops->control_unload;
0db627c4
AS		 903 INIT_LIST_HEAD(&se->dobj.list);
904
905 switch (le32_to_cpu(ec->hdr.ops.info)) {
906 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
907 case SND_SOC_TPLG_CTL_ENUM_VALUE:
908 ret = soc_tplg_denum_create_values(tplg, se, ec);
909 if (ret < 0) {
8a978234 910 dev_err(tplg->dev,
0db627c4 911 "ASoC: could not create values for %s\n",
8a978234 912 ec->hdr.name);
0db627c4 913 goto err;
8a978234 914 }
0db627c4
AS		 915 fallthrough;
916 case SND_SOC_TPLG_CTL_ENUM:
917 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
918 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
919 ret = soc_tplg_denum_create_texts(tplg, se, ec);
920 if (ret < 0) {
921 dev_err(tplg->dev,
922 "ASoC: could not create texts for %s\n",
8a978234 923 ec->hdr.name);
0db627c4 924 goto err;
8a978234 925 }
0db627c4
AS		 926 break;
927 default:
928 ret = -EINVAL;
929 dev_err(tplg->dev,
930 "ASoC: invalid enum control type %d for %s\n",
931 ec->hdr.ops.info, ec->hdr.name);
932 goto err;
933 }
8a978234 934
0db627c4
AS		 935 /* map io handlers */
936 ret = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
937 if (ret) {
938 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
939 goto err;
8a978234 940 }
952bd937 941
0db627c4 942 /* pass control to driver for optional further init */
9e2ee000 943 ret = soc_tplg_control_load(tplg, &kc, &ec->hdr);
ec5dffcd 944 if (ret < 0)
0db627c4 945 goto err;
0db627c4
AS		 946
947 /* register control here */
948 ret = soc_tplg_add_kcontrol(tplg, &kc, &se->dobj.control.kcontrol);
2316c11f 949 if (ret < 0)
0db627c4 950 goto err;
0db627c4
AS		 951
952 list_add(&se->dobj.list, &tplg->comp->dobj_list);
953
954err:
955 return ret;
8a978234
LG		 956}
957
958static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
959 struct snd_soc_tplg_hdr *hdr)
960{
2ae548f3 961 int ret;
8a978234
LG		 962 int i;
963
8a978234
LG		 964 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
965 soc_tplg_get_offset(tplg));
966
5aebe7c7 967 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
ea8f6b29 968 struct snd_soc_tplg_ctl_hdr *control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
8a978234 969
5aebe7c7 970 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 971 dev_err(tplg->dev, "ASoC: invalid control size\n");
972 return -EINVAL;
973 }
974
5aebe7c7 975 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 976 case SND_SOC_TPLG_CTL_VOLSW:
977 case SND_SOC_TPLG_CTL_STROBE:
978 case SND_SOC_TPLG_CTL_VOLSW_SX:
979 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
980 case SND_SOC_TPLG_CTL_RANGE:
981 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
982 case SND_SOC_TPLG_DAPM_CTL_PIN:
0db627c4 983 ret = soc_tplg_dmixer_create(tplg, le32_to_cpu(hdr->payload_size));
8a978234
LG		 984 break;
985 case SND_SOC_TPLG_CTL_ENUM:
986 case SND_SOC_TPLG_CTL_ENUM_VALUE:
987 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
988 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
989 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
0db627c4 990 ret = soc_tplg_denum_create(tplg, le32_to_cpu(hdr->payload_size));
8a978234
LG		 991 break;
992 case SND_SOC_TPLG_CTL_BYTES:
0db627c4 993 ret = soc_tplg_dbytes_create(tplg, le32_to_cpu(hdr->payload_size));
8a978234
LG		 994 break;
995 default:
996 soc_bind_err(tplg, control_hdr, i);
997 return -EINVAL;
998 }
2ae548f3
AS		 999 if (ret < 0) {
1000 dev_err(tplg->dev, "ASoC: invalid control\n");
1001 return ret;
1002 }
1003
8a978234
LG		 1004 }
1005
1006 return 0;
1007}
1008
503e79b7
LG		 1009/* optionally pass new dynamic kcontrol to component driver. */
1010static int soc_tplg_add_route(struct soc_tplg *tplg,
1011 struct snd_soc_dapm_route *route)
1012{
c42464a4 1013 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1014 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1015 route);
1016
1017 return 0;
1018}
1019
8a978234
LG		 1020static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1021 struct snd_soc_tplg_hdr *hdr)
1022{
1023 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
e0e7bc2c 1024 const size_t maxlen = SNDRV_CTL_ELEM_ID_NAME_MAXLEN;
8a978234 1025 struct snd_soc_tplg_dapm_graph_elem *elem;
cc44c749 1026 struct snd_soc_dapm_route *route;
ff922622 1027 int count, i;
7df04ea7 1028 int ret = 0;
8a978234 1029
5aebe7c7
PLB		 1030 count = le32_to_cpu(hdr->count);
1031
8a978234 1032 if (soc_tplg_check_elem_count(tplg,
3ce57f22
AS		 1033 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1034 count, le32_to_cpu(hdr->payload_size), "graph"))
8a978234 1035 return -EINVAL;
8a978234 1036
b75a6511
LG		 1037 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1038 hdr->index);
8a978234 1039
7df04ea7 1040 for (i = 0; i < count; i++) {
cc44c749
AS		 1041 route = devm_kzalloc(tplg->dev, sizeof(*route), GFP_KERNEL);
1042 if (!route)
7df04ea7 1043 return -ENOMEM;
8a978234
LG		 1044 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1045 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1046
1047 /* validate routes */
e0e7bc2c
AS		 1048 if ((strnlen(elem->source, maxlen) == maxlen) ||
1049 (strnlen(elem->sink, maxlen) == maxlen) ||
1050 (strnlen(elem->control, maxlen) == maxlen)) {
7df04ea7
RS		 1051 ret = -EINVAL;
1052 break;
1053 }
1054
0298f516
AS		 1055 route->source = devm_kstrdup(tplg->dev, elem->source, GFP_KERNEL);
1056 route->sink = devm_kstrdup(tplg->dev, elem->sink, GFP_KERNEL);
97ab304e
AS		 1057 if (!route->source || !route->sink) {
1058 ret = -ENOMEM;
1059 break;
1060 }
8a978234 1061
e0e7bc2c 1062 if (strnlen(elem->control, maxlen) != 0) {
0298f516 1063 route->control = devm_kstrdup(tplg->dev, elem->control, GFP_KERNEL);
97ab304e
AS		 1064 if (!route->control) {
1065 ret = -ENOMEM;
1066 break;
1067 }
1068 }
7df04ea7
RS		 1069
1070 /* add route dobj to dobj_list */
cc44c749 1071 route->dobj.type = SND_SOC_DOBJ_GRAPH;
31e92739 1072 if (tplg->ops)
dd184c40 1073 route->dobj.unload = tplg->ops->dapm_route_unload;
cc44c749
AS		 1074 route->dobj.index = tplg->index;
1075 list_add(&route->dobj.list, &tplg->comp->dobj_list);
8a978234 1076
cc44c749 1077 ret = soc_tplg_add_route(tplg, route);
6f0307df 1078 if (ret < 0) {
8bf9475f 1079 dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n", ret);
6856e887 1080 break;
6f0307df 1081 }
503e79b7 1082
6974857c
CR		 1083 ret = snd_soc_dapm_add_routes(dapm, route, 1);
1084 if (ret) {
1085 if (!dapm->card->disable_route_checks) {
1086 dev_err(tplg->dev, "ASoC: dapm_add_routes failed: %d\n", ret);
1087 break;
1088 }
1089 dev_info(tplg->dev,
1090 "ASoC: disable_route_checks set, ignoring dapm_add_routes errors\n");
1091 }
8a978234
LG		 1092 }
1093
7df04ea7 1094 return ret;
8a978234
LG		 1095}
1096
d29d41e2 1097static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1098{
8a978234
LG		 1099 struct soc_mixer_control *sm;
1100 struct snd_soc_tplg_mixer_control *mc;
d29d41e2 1101 int err;
9f90af3a 1102
d29d41e2 1103 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1104
d29d41e2
JU		 1105 /* validate kcontrol */
1106 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1107 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1108 return -EINVAL;
8a978234 1109
d29d41e2
JU		 1110 sm = devm_kzalloc(tplg->dev, sizeof(*sm), GFP_KERNEL);
1111 if (!sm)
1112 return -ENOMEM;
8a978234 1113
d29d41e2
JU		 1114 tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) +
1115 le32_to_cpu(mc->priv.size);
8a978234 1116
d29d41e2
JU		 1117 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n",
1118 mc->hdr.name);
8a978234 1119
d29d41e2
JU		 1120 kc->private_value = (long)sm;
1121 kc->name = devm_kstrdup(tplg->dev, mc->hdr.name, GFP_KERNEL);
1122 if (!kc->name)
1123 return -ENOMEM;
1124 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1125 kc->access = le32_to_cpu(mc->hdr.access);
1126
1127 /* we only support FL/FR channel mapping atm */
8f9974d9 1128 sm->reg = tplg_chan_get_reg(tplg, mc->channel,
d29d41e2 1129 SNDRV_CHMAP_FL);
8f9974d9 1130 sm->rreg = tplg_chan_get_reg(tplg, mc->channel,
d29d41e2 1131 SNDRV_CHMAP_FR);
8f9974d9 1132 sm->shift = tplg_chan_get_shift(tplg, mc->channel,
d29d41e2 1133 SNDRV_CHMAP_FL);
8f9974d9 1134 sm->rshift = tplg_chan_get_shift(tplg, mc->channel,
d29d41e2
JU		 1135 SNDRV_CHMAP_FR);
1136
1137 sm->max = le32_to_cpu(mc->max);
1138 sm->min = le32_to_cpu(mc->min);
1139 sm->invert = le32_to_cpu(mc->invert);
1140 sm->platform_max = le32_to_cpu(mc->platform_max);
1141 sm->dobj.index = tplg->index;
1142 INIT_LIST_HEAD(&sm->dobj.list);
1143
1144 /* map io handlers */
1145 err = soc_tplg_kcontrol_bind_io(&mc->hdr, kc, tplg);
1146 if (err) {
1147 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1148 return err;
1149 }
8a978234 1150
d29d41e2
JU		 1151 /* create any TLV data */
1152 err = soc_tplg_create_tlv(tplg, kc, &mc->hdr);
1153 if (err < 0) {
1154 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1155 mc->hdr.name);
1156 return err;
1157 }
3789debf 1158
d29d41e2 1159 /* pass control to driver for optional further init */
9e2ee000 1160 err = soc_tplg_control_load(tplg, kc, &mc->hdr);
ec5dffcd 1161 if (err < 0)
d29d41e2 1162 return err;
8a978234 1163
d29d41e2 1164 return 0;
8a978234
LG		 1165}
1166
d29d41e2 1167static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234 1168{
8a978234
LG		 1169 struct snd_soc_tplg_enum_control *ec;
1170 struct soc_enum *se;
d29d41e2 1171 int err;
1a7dd6e2 1172
d29d41e2
JU		 1173 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1174 /* validate kcontrol */
1175 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1176 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1177 return -EINVAL;
8a978234 1178
d29d41e2
JU		 1179 se = devm_kzalloc(tplg->dev, sizeof(*se), GFP_KERNEL);
1180 if (!se)
1181 return -ENOMEM;
02b64245 1182
d29d41e2
JU		 1183 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1184 le32_to_cpu(ec->priv.size));
8a978234 1185
d29d41e2
JU		 1186 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1187 ec->hdr.name);
8a978234 1188
d29d41e2
JU		 1189 kc->private_value = (long)se;
1190 kc->name = devm_kstrdup(tplg->dev, ec->hdr.name, GFP_KERNEL);
1191 if (!kc->name)
1192 return -ENOMEM;
1193 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1194 kc->access = le32_to_cpu(ec->hdr.access);
8a978234 1195
d29d41e2 1196 /* we only support FL/FR channel mapping atm */
8f9974d9
AS		 1197 se->reg = tplg_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1198 se->shift_l = tplg_chan_get_shift(tplg, ec->channel,
d29d41e2 1199 SNDRV_CHMAP_FL);
8f9974d9 1200 se->shift_r = tplg_chan_get_shift(tplg, ec->channel,
d29d41e2 1201 SNDRV_CHMAP_FR);
8a978234 1202
d29d41e2
JU		 1203 se->items = le32_to_cpu(ec->items);
1204 se->mask = le32_to_cpu(ec->mask);
1205 se->dobj.index = tplg->index;
1a7dd6e2 1206
d29d41e2
JU		 1207 switch (le32_to_cpu(ec->hdr.ops.info)) {
1208 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1209 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1210 err = soc_tplg_denum_create_values(tplg, se, ec);
1211 if (err < 0) {
1212 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1213 ec->hdr.name);
1214 return err;
1a7dd6e2 1215 }
d29d41e2
JU		 1216 fallthrough;
1217 case SND_SOC_TPLG_CTL_ENUM:
1218 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1219 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1220 err = soc_tplg_denum_create_texts(tplg, se, ec);
8a978234 1221 if (err < 0) {
d29d41e2 1222 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
8a978234 1223 ec->hdr.name);
d29d41e2 1224 return err;
8a978234 1225 }
d29d41e2
JU		 1226 break;
1227 default:
1228 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1229 ec->hdr.ops.info, ec->hdr.name);
1230 return -EINVAL;
8a978234
LG		 1231 }
1232
d29d41e2
JU		 1233 /* map io handlers */
1234 err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg);
1235 if (err) {
1236 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1237 return err;
1238 }
8a978234 1239
d29d41e2 1240 /* pass control to driver for optional further init */
9e2ee000 1241 err = soc_tplg_control_load(tplg, kc, &ec->hdr);
ec5dffcd 1242 if (err < 0)
d29d41e2 1243 return err;
d29d41e2
JU		 1244
1245 return 0;
8a978234
LG		 1246}
1247
d29d41e2 1248static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc)
8a978234
LG		 1249{
1250 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1251 struct soc_bytes_ext *sbe;
d29d41e2 1252 int err;
8a978234 1253
d29d41e2 1254 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
8a978234 1255
d29d41e2
JU		 1256 /* validate kcontrol */
1257 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1258 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1259 return -EINVAL;
8a978234 1260
d29d41e2
JU		 1261 sbe = devm_kzalloc(tplg->dev, sizeof(*sbe), GFP_KERNEL);
1262 if (!sbe)
1263 return -ENOMEM;
8a978234 1264
d29d41e2
JU		 1265 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1266 le32_to_cpu(be->priv.size));
8a978234 1267
d29d41e2
JU		 1268 dev_dbg(tplg->dev,
1269 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1270 be->hdr.name, be->hdr.access);
8a978234 1271
d29d41e2
JU		 1272 kc->private_value = (long)sbe;
1273 kc->name = devm_kstrdup(tplg->dev, be->hdr.name, GFP_KERNEL);
1274 if (!kc->name)
1275 return -ENOMEM;
1276 kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1277 kc->access = le32_to_cpu(be->hdr.access);
8a978234 1278
d29d41e2
JU		 1279 sbe->max = le32_to_cpu(be->max);
1280 INIT_LIST_HEAD(&sbe->dobj.list);
8a978234 1281
d29d41e2
JU		 1282 /* map standard io handlers and check for external handlers */
1283 err = soc_tplg_kcontrol_bind_io(&be->hdr, kc, tplg);
1284 if (err) {
1285 soc_control_err(tplg, &be->hdr, be->hdr.name);
1286 return err;
8a978234
LG		 1287 }
1288
d29d41e2 1289 /* pass control to driver for optional further init */
9e2ee000 1290 err = soc_tplg_control_load(tplg, kc, &be->hdr);
ec5dffcd 1291 if (err < 0)
d29d41e2 1292 return err;
9f90af3a 1293
d29d41e2 1294 return 0;
8a978234
LG		 1295}
1296
1297static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1298 struct snd_soc_tplg_dapm_widget *w)
1299{
1300 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1301 struct snd_soc_dapm_widget template, *widget;
1302 struct snd_soc_tplg_ctl_hdr *control_hdr;
1303 struct snd_soc_card *card = tplg->comp->card;
b9c035aa 1304 unsigned int *kcontrol_type = NULL;
d29d41e2
JU		 1305 struct snd_kcontrol_new *kc;
1306 int mixer_count = 0;
1307 int bytes_count = 0;
1308 int enum_count = 0;
8a978234 1309 int ret = 0;
d29d41e2 1310 int i;
8a978234
LG		 1311
1312 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1313 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1314 return -EINVAL;
1315 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1316 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1317 return -EINVAL;
1318
1319 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1320 w->name, w->id);
1321
1322 memset(&template, 0, sizeof(template));
1323
1324 /* map user to kernel widget ID */
5aebe7c7 1325 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1326 if ((int)template.id < 0)
8a978234
LG		 1327 return template.id;
1328
c3421a6a 1329 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1330 template.name = kstrdup(w->name, GFP_KERNEL);
1331 if (!template.name)
1332 return -ENOMEM;
1333 template.sname = kstrdup(w->sname, GFP_KERNEL);
1334 if (!template.sname) {
1335 ret = -ENOMEM;
1336 goto err;
1337 }
5aebe7c7
PLB		 1338 template.reg = le32_to_cpu(w->reg);
1339 template.shift = le32_to_cpu(w->shift);
1340 template.mask = le32_to_cpu(w->mask);
1341 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1342 template.on_val = w->invert ? 0 : 1;
1343 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1344 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1345 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1346 template.dobj.index = tplg->index;
1347
1348 tplg->pos +=
5aebe7c7
PLB		 1349 (sizeof(struct snd_soc_tplg_dapm_widget) +
1350 le32_to_cpu(w->priv.size));
1351
8a978234
LG		 1352 if (w->num_kcontrols == 0) {
1353 template.num_kcontrols = 0;
1354 goto widget;
1355 }
1356
d29d41e2
JU		 1357 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
1358 kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
c173ee5b
AS		 1359 if (!kc) {
1360 ret = -ENOMEM;
9c363532 1361 goto hdr_err;
c173ee5b 1362 }
d29d41e2
JU		 1363
1364 kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
1365 GFP_KERNEL);
c173ee5b
AS		 1366 if (!kcontrol_type) {
1367 ret = -ENOMEM;
9c363532 1368 goto hdr_err;
c173ee5b 1369 }
d29d41e2 1370
1baad7da 1371 for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) {
d29d41e2
JU		 1372 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1373 switch (le32_to_cpu(control_hdr->ops.info)) {
1374 case SND_SOC_TPLG_CTL_VOLSW:
1375 case SND_SOC_TPLG_CTL_STROBE:
1376 case SND_SOC_TPLG_CTL_VOLSW_SX:
1377 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1378 case SND_SOC_TPLG_CTL_RANGE:
1379 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1380 /* volume mixer */
1381 kc[i].index = mixer_count;
1382 kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER;
1383 mixer_count++;
1384 ret = soc_tplg_dapm_widget_dmixer_create(tplg, &kc[i]);
1385 if (ret < 0)
1386 goto hdr_err;
1387 break;
1388 case SND_SOC_TPLG_CTL_ENUM:
1389 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1390 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1391 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1392 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1393 /* enumerated mixer */
1394 kc[i].index = enum_count;
1395 kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM;
1396 enum_count++;
1397 ret = soc_tplg_dapm_widget_denum_create(tplg, &kc[i]);
1398 if (ret < 0)
1399 goto hdr_err;
1400 break;
1401 case SND_SOC_TPLG_CTL_BYTES:
1402 /* bytes control */
1403 kc[i].index = bytes_count;
1404 kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES;
1405 bytes_count++;
1406 ret = soc_tplg_dapm_widget_dbytes_create(tplg, &kc[i]);
1407 if (ret < 0)
1408 goto hdr_err;
1409 break;
1410 default:
1411 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1412 control_hdr->ops.get, control_hdr->ops.put,
1413 le32_to_cpu(control_hdr->ops.info));
1414 ret = -EINVAL;
8a978234
LG		 1415 goto hdr_err;
1416 }
8a978234
LG		 1417 }
1418
d29d41e2 1419 template.kcontrol_news = kc;
8facf84b
PU		 1420 dev_dbg(tplg->dev, "ASoC: template %s with %d/%d/%d (mixer/enum/bytes) control\n",
1421 w->name, mixer_count, enum_count, bytes_count);
d29d41e2 1422
8a978234
LG		 1423widget:
1424 ret = soc_tplg_widget_load(tplg, &template, w);
1425 if (ret < 0)
1426 goto hdr_err;
1427
1428 /* card dapm mutex is held by the core if we are loading topology
1429 * data during sound card init. */
2b34c135 1430 if (snd_soc_card_is_instantiated(card))
8a978234
LG		 1431 widget = snd_soc_dapm_new_control(dapm, &template);
1432 else
1433 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1434 if (IS_ERR(widget)) {
1435 ret = PTR_ERR(widget);
8a978234
LG		 1436 goto hdr_err;
1437 }
1438
1439 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1440 widget->dobj.widget.kcontrol_type = kcontrol_type;
31e92739
AS		 1441 if (tplg->ops)
1442 widget->dobj.unload = tplg->ops->widget_unload;
8a978234
LG		 1443 widget->dobj.index = tplg->index;
1444 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1445
1446 ret = soc_tplg_widget_ready(tplg, widget, w);
1447 if (ret < 0)
1448 goto ready_err;
1449
7620fe91
B		 1450 kfree(template.sname);
1451 kfree(template.name);
1452
8a978234
LG		 1453 return 0;
1454
ebd259d3 1455ready_err:
2abfd4bd 1456 soc_tplg_remove_widget(widget->dapm->component, &widget->dobj, SOC_TPLG_PASS_WIDGET);
ebd259d3 1457 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1458hdr_err:
1459 kfree(template.sname);
1460err:
1461 kfree(template.name);
1462 return ret;
1463}
1464
1465static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1466 struct snd_soc_tplg_hdr *hdr)
1467{
e9aa139f 1468 int count, i;
5aebe7c7
PLB		 1469
1470 count = le32_to_cpu(hdr->count);
8a978234 1471
8a978234
LG		 1472 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1473
1474 for (i = 0; i < count; i++) {
e9aa139f
KM		 1475 struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
1476 int ret;
1477
2e288333
AS		 1478 /*
1479 * check if widget itself fits within topology file
1480 * use sizeof instead of widget->size, as we can't be sure
1481 * it is set properly yet (file may end before it is present)
1482 */
1483 if (soc_tplg_get_offset(tplg) + sizeof(*widget) >= tplg->fw->size) {
1484 dev_err(tplg->dev, "ASoC: invalid widget data size\n");
1485 return -EINVAL;
1486 }
1487
1488 /* check if widget has proper size */
5aebe7c7 1489 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1490 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1491 return -EINVAL;
1492 }
1493
2e288333
AS		 1494 /* check if widget private data fits within topology file */
1495 if (soc_tplg_get_offset(tplg) + le32_to_cpu(widget->priv.size) >= tplg->fw->size) {
1496 dev_err(tplg->dev, "ASoC: invalid widget private data size\n");
1497 return -EINVAL;
1498 }
1499
8a978234 1500 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1501 if (ret < 0) {
8a978234
LG		 1502 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1503 widget->name);
7de76b62
ML		 1504 return ret;
1505 }
8a978234
LG		 1506 }
1507
1508 return 0;
1509}
1510
1511static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1512{
1513 struct snd_soc_card *card = tplg->comp->card;
1514 int ret;
1515
1516 /* Card might not have been registered at this point.
1517 * If so, just return success.
1518 */
2b34c135 1519 if (!snd_soc_card_is_instantiated(card)) {
53085402 1520 dev_warn(tplg->dev, "ASoC: Parent card not yet available, widget card binding deferred\n");
8a978234
LG		 1521 return 0;
1522 }
1523
1524 ret = snd_soc_dapm_new_widgets(card);
1525 if (ret < 0)
53085402 1526 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n", ret);
8a978234 1527
b784617a 1528 return ret;
8a978234
LG		 1529}
1530
ff922622
AS		 1531static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream,
1532 struct snd_soc_tplg_stream_caps *caps)
b6b6e4d6 1533{
ff922622 1534 stream->stream_name = devm_kstrdup(tplg->dev, caps->name, GFP_KERNEL);
abc3caac
AS		 1535 if (!stream->stream_name)
1536 return -ENOMEM;
1537
5aebe7c7
PLB		 1538 stream->channels_min = le32_to_cpu(caps->channels_min);
1539 stream->channels_max = le32_to_cpu(caps->channels_max);
1540 stream->rates = le32_to_cpu(caps->rates);
1541 stream->rate_min = le32_to_cpu(caps->rate_min);
1542 stream->rate_max = le32_to_cpu(caps->rate_max);
1543 stream->formats = le64_to_cpu(caps->formats);
1544 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1545
1546 return 0;
b6b6e4d6
ML		 1547}
1548
0038be9a
ML		 1549static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1550 unsigned int flag_mask, unsigned int flags)
1551{
1552 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
f14654dd 1553 dai_drv->symmetric_rate =
47108a61 1554 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
0038be9a
ML		 1555
1556 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1557 dai_drv->symmetric_channels =
47108a61 1558 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ?
0038be9a
ML		 1559 1 : 0;
1560
1561 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1562 dai_drv->symmetric_sample_bits =
47108a61 1563 (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
0038be9a
ML		 1564 1 : 0;
1565}
1566
80585b0c
KM		 1567static const struct snd_soc_dai_ops tplg_dai_ops = {
1568 .compress_new = snd_soc_new_compress,
1569};
1570
64527e8a
ML		 1571static int soc_tplg_dai_create(struct soc_tplg *tplg,
1572 struct snd_soc_tplg_pcm *pcm)
1573{
1574 struct snd_soc_dai_driver *dai_drv;
1575 struct snd_soc_pcm_stream *stream;
1576 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1577 struct snd_soc_dai *dai;
1578 struct snd_soc_dapm_context *dapm =
1579 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1580 int ret;
1581
ff922622 1582 dai_drv = devm_kzalloc(tplg->dev, sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
64527e8a
ML		 1583 if (dai_drv == NULL)
1584 return -ENOMEM;
1585
abc3caac 1586 if (strlen(pcm->dai_name)) {
ff922622 1587 dai_drv->name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1588 if (!dai_drv->name) {
1589 ret = -ENOMEM;
1590 goto err;
1591 }
1592 }
5aebe7c7 1593 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1594
1595 if (pcm->playback) {
1596 stream = &dai_drv->playback;
1597 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 1598 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1599 if (ret < 0)
1600 goto err;
64527e8a
ML		 1601 }
1602
1603 if (pcm->capture) {
1604 stream = &dai_drv->capture;
1605 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 1606 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 1607 if (ret < 0)
1608 goto err;
64527e8a
ML		 1609 }
1610
5db6aab6 1611 if (pcm->compress)
80585b0c 1612 dai_drv->ops = &tplg_dai_ops;
5db6aab6 1613
64527e8a 1614 /* pass control to component driver for optional further init */
c60b613a 1615 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a 1616 if (ret < 0) {
e59db12b 1617 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 1618 goto err;
64527e8a
ML		 1619 }
1620
1621 dai_drv->dobj.index = tplg->index;
64527e8a 1622 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
31e92739
AS		 1623 if (tplg->ops)
1624 dai_drv->dobj.unload = tplg->ops->dai_unload;
64527e8a
ML		 1625 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1626
1627 /* register the DAI to the component */
fc4cb1e1 1628 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
e443c205
KM		 1629 if (!dai)
1630 return -ENOMEM;
1631
1632 /* Create the DAI widgets here */
1633 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1634 if (ret != 0) {
1635 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
fc4cb1e1 1636 snd_soc_unregister_dai(dai);
e443c205
KM		 1637 return ret;
1638 }
1639
abc3caac
AS		 1640 return 0;
1641
1642err:
e443c205 1643 return ret;
64527e8a
ML		 1644}
1645
717a8e72
ML		 1646static void set_link_flags(struct snd_soc_dai_link *link,
1647 unsigned int flag_mask, unsigned int flags)
1648{
1649 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
f14654dd 1650 link->symmetric_rate =
47108a61 1651 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0;
717a8e72
ML		 1652
1653 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1654 link->symmetric_channels =
47108a61 1655 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ?
717a8e72
ML		 1656 1 : 0;
1657
1658 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
f14654dd 1659 link->symmetric_sample_bits =
47108a61 1660 (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ?
717a8e72 1661 1 : 0;
6ff67cca
ML		 1662
1663 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1664 link->ignore_suspend =
47108a61
PLB		 1665 (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ?
1666 1 : 0;
717a8e72
ML		 1667}
1668
67d1c21e 1669/* create the FE DAI link */
ab4bc5ee 1670static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1671 struct snd_soc_tplg_pcm *pcm)
1672{
1673 struct snd_soc_dai_link *link;
23b946ce 1674 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1675 int ret;
1676
6a7c51b4
KM		 1677 /* link + cpu + codec + platform */
1678 link = devm_kzalloc(tplg->dev, sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1679 if (link == NULL)
1680 return -ENOMEM;
1681
23b946ce
KM		 1682 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1683
1684 link->cpus = &dlc[0];
23b946ce 1685 link->num_cpus = 1;
23b946ce 1686
8ce1cbd6 1687 link->dobj.index = tplg->index;
8ce1cbd6 1688 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
31e92739
AS		 1689 if (tplg->ops)
1690 link->dobj.unload = tplg->ops->link_unload;
8ce1cbd6 1691
8f27c4ab 1692 if (strlen(pcm->pcm_name)) {
ff922622
AS		 1693 link->name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
1694 link->stream_name = devm_kstrdup(tplg->dev, pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1695 if (!link->name || !link->stream_name) {
1696 ret = -ENOMEM;
1697 goto err;
1698 }
8f27c4ab 1699 }
5aebe7c7 1700 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1701
abc3caac 1702 if (strlen(pcm->dai_name)) {
ff922622 1703 link->cpus->dai_name = devm_kstrdup(tplg->dev, pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1704 if (!link->cpus->dai_name) {
1705 ret = -ENOMEM;
1706 goto err;
1707 }
1708 }
8f27c4ab 1709
6a7c51b4 1710 /*
5a7bec81
KM		 1711 * Many topology are assuming link has Codec / Platform, and
1712 * these might be overwritten at soc_tplg_dai_link_load().
8bfbdb18 1713 * Don't use &snd_soc_dummy_dlc here.
6a7c51b4 1714 */
8bfbdb18 1715 link->codecs = &dlc[1]; /* Don't use &snd_soc_dummy_dlc here */
5a7bec81
KM		 1716 link->codecs->name = "snd-soc-dummy";
1717 link->codecs->dai_name = "snd-soc-dummy-dai";
1718 link->num_codecs = 1;
1719
8bfbdb18 1720 link->platforms = &dlc[2]; /* Don't use &snd_soc_dummy_dlc here */
5a7bec81
KM		 1721 link->platforms->name = "snd-soc-dummy";
1722 link->num_platforms = 1;
6a7c51b4 1723
67d1c21e
GS		 1724 /* enable DPCM */
1725 link->dynamic = 1;
c403dcd8 1726 link->ignore_pmdown_time = 1;
5aebe7c7
PLB		 1727 link->dpcm_playback = le32_to_cpu(pcm->playback);
1728 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1729 if (pcm->flag_mask)
5aebe7c7
PLB		 1730 set_link_flags(link,
1731 le32_to_cpu(pcm->flag_mask),
1732 le32_to_cpu(pcm->flags));
67d1c21e 1733
acfc7d46 1734 /* pass control to component driver for optional further init */
c60b613a 1735 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46 1736 if (ret < 0) {
e59db12b 1737 dev_err(tplg->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1738 goto err;
1739 }
1740
ffaf886e 1741 ret = snd_soc_add_pcm_runtimes(tplg->comp->card, link, 1);
76d27036 1742 if (ret < 0) {
b6c3bdda
JH		 1743 if (ret != -EPROBE_DEFER)
1744 dev_err(tplg->dev, "ASoC: adding FE link failed\n");
76d27036 1745 goto err;
acfc7d46
ML		 1746 }
1747
acfc7d46
ML		 1748 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1749
acfc7d46 1750 return 0;
76d27036 1751err:
76d27036 1752 return ret;
acfc7d46
ML		 1753}
1754
1755/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1756static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1757 struct snd_soc_tplg_pcm *pcm)
1758{
acfc7d46
ML		 1759 int ret;
1760
1761 ret = soc_tplg_dai_create(tplg, pcm);
1762 if (ret < 0)
1763 return ret;
1764
ab4bc5ee 1765 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1766}
1767
1768static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1769 struct snd_soc_tplg_hdr *hdr)
1770{
82c19254 1771 struct snd_soc_tplg_pcm *pcm;
5aebe7c7
PLB		 1772 int count;
1773 int size;
fd340455 1774 int i;
a3039aef 1775 int ret;
8a978234 1776
5aebe7c7
PLB		 1777 count = le32_to_cpu(hdr->count);
1778
55726dc9
ML		 1779 /* check the element size and count */
1780 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 1781 size = le32_to_cpu(pcm->size);
c57468dc 1782 if (size > sizeof(struct snd_soc_tplg_pcm)) {
55726dc9 1783 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 1784 size);
55726dc9
ML		 1785 return -EINVAL;
1786 }
1787
8a978234 1788 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 1789 size, count,
1790 le32_to_cpu(hdr->payload_size),
3ce57f22 1791 "PCM DAI"))
8a978234 1792 return -EINVAL;
8a978234 1793
64527e8a 1794 for (i = 0; i < count; i++) {
55726dc9 1795 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 1796 size = le32_to_cpu(pcm->size);
55726dc9
ML		 1797
1798 /* check ABI version by size, create a new version of pcm
1799 * if abi not match.
1800 */
c57468dc
CR		 1801 if (size != sizeof(*pcm))
1802 return -EINVAL;
06eb49f7 1803
55726dc9 1804 /* create the FE DAIs and DAI links */
82c19254
CR		 1805 ret = soc_tplg_pcm_create(tplg, pcm);
1806 if (ret < 0)
a3039aef 1807 return ret;
55726dc9 1808
717a8e72
ML		 1809 /* offset by version-specific struct size and
1810 * real priv data size
1811 */
82c19254 1812 tplg->pos += size + le32_to_cpu(pcm->priv.size);
64527e8a
ML		 1813 }
1814
8a978234 1815 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1816
8a978234 1817 return 0;
8a978234
LG		 1818}
1819
593d9e52
ML		 1820/**
1821 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1822 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1823 * @cfg: physical link configs.
1824 *
1825 * Topology context contains a list of supported HW formats (configs) and
1826 * a default format ID for the physical link. This function will use this
1827 * default ID to choose the HW format to set the link's DAI format for init.
1828 */
1829static void set_link_hw_format(struct snd_soc_dai_link *link,
1830 struct snd_soc_tplg_link_config *cfg)
1831{
1832 struct snd_soc_tplg_hw_config *hw_config;
f026c123 1833 unsigned char bclk_provider, fsync_provider;
593d9e52
ML		 1834 unsigned char invert_bclk, invert_fsync;
1835 int i;
1836
5aebe7c7 1837 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 1838 hw_config = &cfg->hw_config[i];
1839 if (hw_config->id != cfg->default_hw_config_id)
1840 continue;
1841
5aebe7c7
PLB		 1842 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
1843 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 1844
933e1c4a 1845 /* clock gating */
fbeabd09
KM		 1846 switch (hw_config->clock_gated) {
1847 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 1848 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 1849 break;
1850
1851 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 1852 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 1853 break;
1854
1855 default:
1856 /* ignore the value */
1857 break;
1858 }
933e1c4a 1859
593d9e52
ML		 1860 /* clock signal polarity */
1861 invert_bclk = hw_config->invert_bclk;
1862 invert_fsync = hw_config->invert_fsync;
1863 if (!invert_bclk && !invert_fsync)
1864 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1865 else if (!invert_bclk && invert_fsync)
1866 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
1867 else if (invert_bclk && !invert_fsync)
1868 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
1869 else
1870 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
1871
1872 /* clock masters */
f026c123
PLB		 1873 bclk_provider = (hw_config->bclk_provider ==
1874 SND_SOC_TPLG_BCLK_CP);
1875 fsync_provider = (hw_config->fsync_provider ==
1876 SND_SOC_TPLG_FSYNC_CP);
1877 if (bclk_provider && fsync_provider)
1878 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
1879 else if (!bclk_provider && fsync_provider)
1880 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP;
1881 else if (bclk_provider && !fsync_provider)
1882 link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC;
593d9e52 1883 else
f026c123 1884 link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
593d9e52
ML		 1885 }
1886}
1887
d6f31e0e
KM		 1888/**
1889 * snd_soc_find_dai_link - Find a DAI link
1890 *
1891 * @card: soc card
1892 * @id: DAI link ID to match
1893 * @name: DAI link name to match, optional
1894 * @stream_name: DAI link stream name to match, optional
1895 *
1896 * This function will search all existing DAI links of the soc card to
1897 * find the link of the same ID. Since DAI links may not have their
1898 * unique ID, so name and stream name should also match if being
1899 * specified.
1900 *
1901 * Return: pointer of DAI link, or NULL if not found.
1902 */
1903static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
1904 int id, const char *name,
1905 const char *stream_name)
1906{
1907 struct snd_soc_pcm_runtime *rtd;
d6f31e0e
KM		 1908
1909 for_each_card_rtds(card, rtd) {
b81e8efa 1910 struct snd_soc_dai_link *link = rtd->dai_link;
d6f31e0e
KM		 1911
1912 if (link->id != id)
1913 continue;
1914
e018e0b3 1915 if (name && (!link->name || !strstr(link->name, name)))
d6f31e0e
KM		 1916 continue;
1917
e018e0b3
RS		 1918 if (stream_name && (!link->stream_name ||
1919 !strstr(link->stream_name, stream_name)))
d6f31e0e
KM		 1920 continue;
1921
1922 return link;
1923 }
1924
1925 return NULL;
1926}
1927
593d9e52
ML		 1928/* Find and configure an existing physical DAI link */
1929static int soc_tplg_link_config(struct soc_tplg *tplg,
1930 struct snd_soc_tplg_link_config *cfg)
1931{
1932 struct snd_soc_dai_link *link;
1933 const char *name, *stream_name;
dbab1cb8 1934 size_t len;
593d9e52
ML		 1935 int ret;
1936
dbab1cb8
ML		 1937 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1938 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1939 return -EINVAL;
1940 else if (len)
1941 name = cfg->name;
1942 else
1943 name = NULL;
1944
1945 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1946 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1947 return -EINVAL;
1948 else if (len)
1949 stream_name = cfg->stream_name;
1950 else
1951 stream_name = NULL;
593d9e52 1952
5aebe7c7 1953 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 1954 name, stream_name);
1955 if (!link) {
1956 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
1957 name, cfg->id);
1958 return -EINVAL;
1959 }
1960
1961 /* hw format */
1962 if (cfg->num_hw_configs)
1963 set_link_hw_format(link, cfg);
1964
1965 /* flags */
1966 if (cfg->flag_mask)
5aebe7c7
PLB		 1967 set_link_flags(link,
1968 le32_to_cpu(cfg->flag_mask),
1969 le32_to_cpu(cfg->flags));
593d9e52
ML		 1970
1971 /* pass control to component driver for optional further init */
c60b613a 1972 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 1973 if (ret < 0) {
1974 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
1975 return ret;
1976 }
1977
adfebb51
B		 1978 /* for unloading it in snd_soc_tplg_component_remove */
1979 link->dobj.index = tplg->index;
adfebb51 1980 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
31e92739
AS		 1981 if (tplg->ops)
1982 link->dobj.unload = tplg->ops->link_unload;
adfebb51
B		 1983 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1984
593d9e52
ML		 1985 return 0;
1986}
1987
1988
1989/* Load physical link config elements from the topology context */
1990static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
1991 struct snd_soc_tplg_hdr *hdr)
1992{
82c19254 1993 struct snd_soc_tplg_link_config *link;
5aebe7c7
PLB		 1994 int count;
1995 int size;
593d9e52 1996 int i, ret;
593d9e52 1997
5aebe7c7
PLB		 1998 count = le32_to_cpu(hdr->count);
1999
593d9e52
ML		 2000 /* check the element size and count */
2001 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7 2002 size = le32_to_cpu(link->size);
c57468dc 2003 if (size > sizeof(struct snd_soc_tplg_link_config)) {
593d9e52 2004 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2005 size);
593d9e52
ML		 2006 return -EINVAL;
2007 }
2008
3ce57f22 2009 if (soc_tplg_check_elem_count(tplg, size, count,
5aebe7c7 2010 le32_to_cpu(hdr->payload_size),
3ce57f22 2011 "physical link config"))
593d9e52 2012 return -EINVAL;
593d9e52
ML		 2013
2014 /* config physical DAI links */
2015 for (i = 0; i < count; i++) {
2016 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7 2017 size = le32_to_cpu(link->size);
c57468dc
CR		 2018 if (size != sizeof(*link))
2019 return -EINVAL;
593d9e52 2020
82c19254
CR		 2021 ret = soc_tplg_link_config(tplg, link);
2022 if (ret < 0)
593d9e52
ML		 2023 return ret;
2024
2025 /* offset by version-specific struct size and
2026 * real priv data size
2027 */
82c19254 2028 tplg->pos += size + le32_to_cpu(link->priv.size);
593d9e52
ML		 2029 }
2030
2031 return 0;
2032}
2033
9aa3f034
ML		 2034/**
2035 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2036 * @tplg: topology context
9aa3f034 2037 * @d: physical DAI configs.
0038be9a 2038 *
9aa3f034
ML		 2039 * The physical dai should already be registered by the platform driver.
2040 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2041 */
9aa3f034
ML		 2042static int soc_tplg_dai_config(struct soc_tplg *tplg,
2043 struct snd_soc_tplg_dai *d)
0038be9a 2044{
5aebe7c7 2045 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2046 struct snd_soc_dai *dai;
2047 struct snd_soc_dai_driver *dai_drv;
2048 struct snd_soc_pcm_stream *stream;
2049 struct snd_soc_tplg_stream_caps *caps;
2050 int ret;
2051
5aebe7c7
PLB		 2052 memset(&dai_component, 0, sizeof(dai_component));
2053
9aa3f034 2054 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2055 dai = snd_soc_find_dai(&dai_component);
2056 if (!dai) {
9aa3f034
ML		 2057 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2058 d->dai_name);
0038be9a
ML		 2059 return -EINVAL;
2060 }
2061
5aebe7c7 2062 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2063 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2064 d->dai_name);
0038be9a
ML		 2065 return -EINVAL;
2066 }
2067
2068 dai_drv = dai->driver;
2069 if (!dai_drv)
2070 return -EINVAL;
2071
9aa3f034 2072 if (d->playback) {
0038be9a 2073 stream = &dai_drv->playback;
9aa3f034 2074 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
ff922622 2075 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2076 if (ret < 0)
2077 goto err;
0038be9a
ML		 2078 }
2079
9aa3f034 2080 if (d->capture) {
0038be9a 2081 stream = &dai_drv->capture;
9aa3f034 2082 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
ff922622 2083 ret = set_stream_info(tplg, stream, caps);
abc3caac
AS		 2084 if (ret < 0)
2085 goto err;
0038be9a
ML		 2086 }
2087
9aa3f034 2088 if (d->flag_mask)
5aebe7c7
PLB		 2089 set_dai_flags(dai_drv,
2090 le32_to_cpu(d->flag_mask),
2091 le32_to_cpu(d->flags));
0038be9a
ML		 2092
2093 /* pass control to component driver for optional further init */
c60b613a 2094 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a 2095 if (ret < 0) {
e59db12b 2096 dev_err(tplg->dev, "ASoC: DAI loading failed\n");
abc3caac 2097 goto err;
0038be9a
ML		 2098 }
2099
2100 return 0;
abc3caac
AS		 2101
2102err:
abc3caac 2103 return ret;
0038be9a
ML		 2104}
2105
9aa3f034
ML		 2106/* load physical DAI elements */
2107static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2108 struct snd_soc_tplg_hdr *hdr)
0038be9a 2109{
5aebe7c7 2110 int count;
65a4cfdd 2111 int i;
0038be9a 2112
5aebe7c7
PLB		 2113 count = le32_to_cpu(hdr->count);
2114
0038be9a
ML		 2115 /* config the existing BE DAIs */
2116 for (i = 0; i < count; i++) {
65a4cfdd
KM		 2117 struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos;
2118 int ret;
2119
5aebe7c7 2120 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2121 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2122 return -EINVAL;
2123 }
2124
dd8e871d
AS		 2125 ret = soc_tplg_dai_config(tplg, dai);
2126 if (ret < 0) {
2127 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2128 return ret;
2129 }
2130
5aebe7c7 2131 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2132 }
2133
2134 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2135 return 0;
2136}
2137
8a978234 2138static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2139 struct snd_soc_tplg_hdr *hdr)
8a978234 2140{
82c19254 2141 struct snd_soc_tplg_manifest *manifest;
242c46c0 2142 int ret = 0;
8a978234 2143
8a978234 2144 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2145
583958fa 2146 /* check ABI version by size, create a new manifest if abi not match */
c57468dc
CR		 2147 if (le32_to_cpu(manifest->size) != sizeof(*manifest))
2148 return -EINVAL;
8a978234 2149
583958fa 2150 /* pass control to component driver for optional further init */
c42464a4 2151 if (tplg->ops && tplg->ops->manifest)
82c19254 2152 ret = tplg->ops->manifest(tplg->comp, tplg->index, manifest);
8a978234 2153
242c46c0 2154 return ret;
8a978234
LG		 2155}
2156
2157/* validate header magic, size and type */
23e591dc 2158static int soc_tplg_valid_header(struct soc_tplg *tplg,
8a978234
LG		 2159 struct snd_soc_tplg_hdr *hdr)
2160{
5aebe7c7 2161 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2162 dev_err(tplg->dev,
2163 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2164 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2165 tplg->fw->size);
2166 return -EINVAL;
2167 }
2168
c5d184c9 2169 if (soc_tplg_get_hdr_offset(tplg) + le32_to_cpu(hdr->payload_size) >= tplg->fw->size) {
86e2d14b
CR		 2170 dev_err(tplg->dev,
2171 "ASoC: invalid header of type %d at offset %ld payload_size %d\n",
2172 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
2173 hdr->payload_size);
2174 return -EINVAL;
2175 }
2176
8a978234 2177 /* big endian firmware objects not supported atm */
26d87881 2178 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2179 dev_err(tplg->dev,
2180 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2181 tplg->pass, hdr->magic,
2182 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2183 return -EINVAL;
2184 }
2185
5aebe7c7 2186 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2187 dev_err(tplg->dev,
2188 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2189 tplg->pass, hdr->magic,
2190 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2191 return -EINVAL;
2192 }
2193
288b8da7 2194 /* Support ABI from version 4 */
5aebe7c7
PLB		 2195 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2196 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2197 dev_err(tplg->dev,
2198 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2199 tplg->pass, hdr->abi,
2200 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2201 tplg->fw->size);
2202 return -EINVAL;
2203 }
2204
2205 if (hdr->payload_size == 0) {
2206 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2207 soc_tplg_get_hdr_offset(tplg));
2208 return -EINVAL;
2209 }
2210
d9b07b79 2211 return 0;
8a978234
LG		 2212}
2213
2214/* check header type and call appropriate handler */
2215static int soc_tplg_load_header(struct soc_tplg *tplg,
2216 struct snd_soc_tplg_hdr *hdr)
2217{
82ed7418
KJ		 2218 int (*elem_load)(struct soc_tplg *tplg,
2219 struct snd_soc_tplg_hdr *hdr);
2220 unsigned int hdr_pass;
2221
8a978234
LG		 2222 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2223
5aebe7c7 2224 tplg->index = le32_to_cpu(hdr->index);
8a978234 2225
5aebe7c7 2226 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2227 case SND_SOC_TPLG_TYPE_MIXER:
2228 case SND_SOC_TPLG_TYPE_ENUM:
2229 case SND_SOC_TPLG_TYPE_BYTES:
5e2cd47a 2230 hdr_pass = SOC_TPLG_PASS_CONTROL;
82ed7418
KJ		 2231 elem_load = soc_tplg_kcontrol_elems_load;
2232 break;
8a978234 2233 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
82ed7418
KJ		 2234 hdr_pass = SOC_TPLG_PASS_GRAPH;
2235 elem_load = soc_tplg_dapm_graph_elems_load;
2236 break;
8a978234 2237 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
82ed7418
KJ		 2238 hdr_pass = SOC_TPLG_PASS_WIDGET;
2239 elem_load = soc_tplg_dapm_widget_elems_load;
2240 break;
8a978234 2241 case SND_SOC_TPLG_TYPE_PCM:
82ed7418
KJ		 2242 hdr_pass = SOC_TPLG_PASS_PCM_DAI;
2243 elem_load = soc_tplg_pcm_elems_load;
2244 break;
3fbf7935 2245 case SND_SOC_TPLG_TYPE_DAI:
82ed7418
KJ		 2246 hdr_pass = SOC_TPLG_PASS_BE_DAI;
2247 elem_load = soc_tplg_dai_elems_load;
2248 break;
593d9e52
ML		 2249 case SND_SOC_TPLG_TYPE_DAI_LINK:
2250 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2251 /* physical link configurations */
82ed7418
KJ		 2252 hdr_pass = SOC_TPLG_PASS_LINK;
2253 elem_load = soc_tplg_link_elems_load;
2254 break;
8a978234 2255 case SND_SOC_TPLG_TYPE_MANIFEST:
82ed7418
KJ		 2256 hdr_pass = SOC_TPLG_PASS_MANIFEST;
2257 elem_load = soc_tplg_manifest_load;
2258 break;
8a978234
LG		 2259 default:
2260 /* bespoke vendor data object */
82ed7418
KJ		 2261 hdr_pass = SOC_TPLG_PASS_VENDOR;
2262 elem_load = soc_tplg_vendor_load;
2263 break;
2264 }
2265
2266 if (tplg->pass == hdr_pass) {
2267 dev_dbg(tplg->dev,
2268 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2269 hdr->payload_size, hdr->type, hdr->version,
2270 hdr->vendor_type, tplg->pass);
2271 return elem_load(tplg, hdr);
8a978234
LG		 2272 }
2273
2274 return 0;
2275}
2276
2277/* process the topology file headers */
2278static int soc_tplg_process_headers(struct soc_tplg *tplg)
2279{
8a978234
LG		 2280 int ret;
2281
8a978234 2282 /* process the header types from start to end */
395f8fd6 2283 for (tplg->pass = SOC_TPLG_PASS_START; tplg->pass <= SOC_TPLG_PASS_END; tplg->pass++) {
f79e4b2a 2284 struct snd_soc_tplg_hdr *hdr;
8a978234
LG		 2285
2286 tplg->hdr_pos = tplg->fw->data;
2287 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2288
2289 while (!soc_tplg_is_eof(tplg)) {
2290
2291 /* make sure header is valid before loading */
23e591dc 2292 ret = soc_tplg_valid_header(tplg, hdr);
f9d1fe7e 2293 if (ret < 0)
8a978234 2294 return ret;
8a978234
LG		 2295
2296 /* load the header object */
2297 ret = soc_tplg_load_header(tplg, hdr);
8bf9475f 2298 if (ret < 0) {
b6c3bdda
JH		 2299 if (ret != -EPROBE_DEFER) {
2300 dev_err(tplg->dev,
2301 "ASoC: topology: could not load header: %d\n",
2302 ret);
2303 }
8a978234 2304 return ret;
8bf9475f 2305 }
8a978234
LG		 2306
2307 /* goto next header */
5aebe7c7 2308 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2309 sizeof(struct snd_soc_tplg_hdr);
2310 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2311 }
2312
8a978234
LG		 2313 }
2314
2315 /* signal DAPM we are complete */
2316 ret = soc_tplg_dapm_complete(tplg);
8a978234
LG		 2317
2318 return ret;
2319}
2320
2321static int soc_tplg_load(struct soc_tplg *tplg)
2322{
2323 int ret;
2324
2325 ret = soc_tplg_process_headers(tplg);
2326 if (ret == 0)
415717e1 2327 return soc_tplg_complete(tplg);
8a978234
LG		 2328
2329 return ret;
2330}
2331
2332/* load audio component topology from "firmware" file */
2333int snd_soc_tplg_component_load(struct snd_soc_component *comp,
a5b8f71c 2334 struct snd_soc_tplg_ops *ops, const struct firmware *fw)
8a978234
LG		 2335{
2336 struct soc_tplg tplg;
304017d3 2337 int ret;
8a978234 2338
d40ab86f
AS		 2339 /*
2340 * check if we have sane parameters:
2341 * comp - needs to exist to keep and reference data while parsing
d40ab86f 2342 * comp->card - used for setting card related parameters
f714fbc1 2343 * comp->card->dev - used for resource management and prints
d40ab86f
AS		 2344 * fw - we need it, as it is the very thing we parse
2345 */
f714fbc1 2346 if (!comp || !comp->card || !comp->card->dev || !fw)
c42464a4 2347 return -EINVAL;
8a978234
LG		 2348
2349 /* setup parsing context */
2350 memset(&tplg, 0, sizeof(tplg));
2351 tplg.fw = fw;
f714fbc1 2352 tplg.dev = comp->card->dev;
8a978234 2353 tplg.comp = comp;
9c88a983
AS		 2354 if (ops) {
2355 tplg.ops = ops;
2356 tplg.io_ops = ops->io_ops;
2357 tplg.io_ops_count = ops->io_ops_count;
2358 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2359 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
2360 }
8a978234 2361
304017d3
B		 2362 ret = soc_tplg_load(&tplg);
2363 /* free the created components if fail to load topology */
2364 if (ret)
a5b8f71c 2365 snd_soc_tplg_component_remove(comp);
304017d3
B		 2366
2367 return ret;
8a978234
LG		 2368}
2369EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2370
8a978234 2371/* remove dynamic controls from the component driver */
a5b8f71c 2372int snd_soc_tplg_component_remove(struct snd_soc_component *comp)
8a978234
LG		 2373{
2374 struct snd_soc_dobj *dobj, *next_dobj;
395f8fd6 2375 int pass;
8a978234
LG		 2376
2377 /* process the header types from end to start */
395f8fd6 2378 for (pass = SOC_TPLG_PASS_END; pass >= SOC_TPLG_PASS_START; pass--) {
8a978234
LG		 2379
2380 /* remove mixer controls */
2381 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2382 list) {
2383
8a978234 2384 switch (dobj->type) {
8a978234 2385 case SND_SOC_DOBJ_BYTES:
fdfa3661
AS		 2386 case SND_SOC_DOBJ_ENUM:
2387 case SND_SOC_DOBJ_MIXER:
2388 soc_tplg_remove_kcontrol(comp, dobj, pass);
8a978234 2389 break;
7df04ea7 2390 case SND_SOC_DOBJ_GRAPH:
2abfd4bd 2391 soc_tplg_remove_route(comp, dobj, pass);
7df04ea7 2392 break;
8a978234 2393 case SND_SOC_DOBJ_WIDGET:
2abfd4bd 2394 soc_tplg_remove_widget(comp, dobj, pass);
8a978234
LG		 2395 break;
2396 case SND_SOC_DOBJ_PCM:
2abfd4bd 2397 soc_tplg_remove_dai(comp, dobj, pass);
8a978234 2398 break;
acfc7d46 2399 case SND_SOC_DOBJ_DAI_LINK:
2abfd4bd 2400 soc_tplg_remove_link(comp, dobj, pass);
acfc7d46 2401 break;
adfebb51
B		 2402 case SND_SOC_DOBJ_BACKEND_LINK:
2403 /*
2404 * call link_unload ops if extra
2405 * deinitialization is needed.
2406 */
2407 remove_backend_link(comp, dobj, pass);
2408 break;
8a978234
LG		 2409 default:
2410 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2411 dobj->type);
2412 break;
2413 }
2414 }
8a978234
LG		 2415 }
2416
2417 /* let caller know if FW can be freed when no objects are left */
2418 return !list_empty(&comp->dobj_list);
2419}
2420EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)