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Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / sound / soc / soc-topology.c
CommitLineData
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
LG		 32
33/*
34 * We make several passes over the data (since it wont necessarily be ordered)
35 * and process objects in the following order. This guarantees the component
36 * drivers will be ready with any vendor data before the mixers and DAPM objects
37 * are loaded (that may make use of the vendor data).
38 */
39#define SOC_TPLG_PASS_MANIFEST 0
40#define SOC_TPLG_PASS_VENDOR 1
41#define SOC_TPLG_PASS_MIXER 2
42#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 43#define SOC_TPLG_PASS_PCM_DAI 4
44#define SOC_TPLG_PASS_GRAPH 5
45#define SOC_TPLG_PASS_PINS 6
0038be9a 46#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 47#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 48
49#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 50#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 51
583958fa 52/* topology context */
8a978234
LG		 53struct soc_tplg {
54 const struct firmware *fw;
55
56 /* runtime FW parsing */
57 const u8 *pos; /* read postion */
58 const u8 *hdr_pos; /* header position */
59 unsigned int pass; /* pass number */
60
61 /* component caller */
62 struct device *dev;
63 struct snd_soc_component *comp;
64 u32 index; /* current block index */
65 u32 req_index; /* required index, only loaded/free matching blocks */
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
79static int soc_tplg_process_headers(struct soc_tplg *tplg);
80static void soc_tplg_complete(struct soc_tplg *tplg);
81struct snd_soc_dapm_widget *
82snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
83 const struct snd_soc_dapm_widget *widget);
84struct snd_soc_dapm_widget *
85snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
86 const struct snd_soc_dapm_widget *widget);
87
88/* check we dont overflow the data for this control chunk */
89static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
90 unsigned int count, size_t bytes, const char *elem_type)
91{
92 const u8 *end = tplg->pos + elem_size * count;
93
94 if (end > tplg->fw->data + tplg->fw->size) {
95 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
96 elem_type);
97 return -EINVAL;
98 }
99
100 /* check there is enough room in chunk for control.
101 extra bytes at the end of control are for vendor data here */
102 if (elem_size * count > bytes) {
103 dev_err(tplg->dev,
104 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
105 elem_type, count, elem_size, bytes);
106 return -EINVAL;
107 }
108
109 return 0;
110}
111
112static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
113{
114 const u8 *end = tplg->hdr_pos;
115
116 if (end >= tplg->fw->data + tplg->fw->size)
117 return 1;
118 return 0;
119}
120
121static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
122{
123 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
124}
125
126static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
127{
128 return (unsigned long)(tplg->pos - tplg->fw->data);
129}
130
131/* mapping of Kcontrol types and associated operations. */
132static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
133 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
134 snd_soc_put_volsw, snd_soc_info_volsw},
135 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
136 snd_soc_put_volsw_sx, NULL},
137 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, snd_soc_info_enum_double},
139 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
140 snd_soc_put_enum_double, NULL},
141 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
142 snd_soc_bytes_put, snd_soc_bytes_info},
143 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
144 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
145 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
146 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
147 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
148 snd_soc_put_strobe, NULL},
149 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 150 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 151 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
156 snd_soc_dapm_put_enum_double, NULL},
157 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
158 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
159};
160
161struct soc_tplg_map {
162 int uid;
163 int kid;
164};
165
166/* mapping of widget types from UAPI IDs to kernel IDs */
167static const struct soc_tplg_map dapm_map[] = {
168 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
169 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
170 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
171 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
172 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
173 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
174 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
175 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
176 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
177 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
178 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
179 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
180 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
181 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
182 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
183 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 184 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
185 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
186 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
187 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
188 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
189 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
190 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
191 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 192};
193
194static int tplc_chan_get_reg(struct soc_tplg *tplg,
195 struct snd_soc_tplg_channel *chan, int map)
196{
197 int i;
198
199 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
200 if (chan[i].id == map)
201 return chan[i].reg;
202 }
203
204 return -EINVAL;
205}
206
207static int tplc_chan_get_shift(struct soc_tplg *tplg,
208 struct snd_soc_tplg_channel *chan, int map)
209{
210 int i;
211
212 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
213 if (chan[i].id == map)
214 return chan[i].shift;
215 }
216
217 return -EINVAL;
218}
219
220static int get_widget_id(int tplg_type)
221{
222 int i;
223
224 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
225 if (tplg_type == dapm_map[i].uid)
226 return dapm_map[i].kid;
227 }
228
229 return -EINVAL;
230}
231
8a978234
LG		 232static inline void soc_bind_err(struct soc_tplg *tplg,
233 struct snd_soc_tplg_ctl_hdr *hdr, int index)
234{
235 dev_err(tplg->dev,
236 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
237 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
238 soc_tplg_get_offset(tplg));
239}
240
241static inline void soc_control_err(struct soc_tplg *tplg,
242 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
243{
244 dev_err(tplg->dev,
245 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
246 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
247 soc_tplg_get_offset(tplg));
248}
249
250/* pass vendor data to component driver for processing */
251static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
252 struct snd_soc_tplg_hdr *hdr)
253{
254 int ret = 0;
255
256 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
c60b613a 257 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 258 else {
259 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
260 hdr->vendor_type);
261 return -EINVAL;
262 }
263
264 if (ret < 0)
265 dev_err(tplg->dev,
266 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
267 soc_tplg_get_hdr_offset(tplg),
268 soc_tplg_get_hdr_offset(tplg),
269 hdr->type, hdr->vendor_type);
270 return ret;
271}
272
273/* pass vendor data to component driver for processing */
274static int soc_tplg_vendor_load(struct soc_tplg *tplg,
275 struct snd_soc_tplg_hdr *hdr)
276{
277 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
278 return 0;
279
280 return soc_tplg_vendor_load_(tplg, hdr);
281}
282
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_load(struct soc_tplg *tplg,
286 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
287{
288 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 289 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
290 tplg_w);
8a978234
LG		 291
292 return 0;
293}
294
ebd259d3
LG		 295/* optionally pass new dynamic widget to component driver. This is mainly for
296 * external widgets where we can assign private data/ops */
297static int soc_tplg_widget_ready(struct soc_tplg *tplg,
298 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
299{
300 if (tplg->comp && tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 301 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
302 tplg_w);
ebd259d3
LG		 303
304 return 0;
305}
306
183b8021 307/* pass DAI configurations to component driver for extra initialization */
64527e8a 308static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 309 struct snd_soc_dai_driver *dai_drv,
310 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 311{
64527e8a 312 if (tplg->comp && tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 313 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
314 pcm, dai);
8a978234
LG		 315
316 return 0;
317}
318
183b8021 319/* pass link configurations to component driver for extra initialization */
acfc7d46 320static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 321 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46
ML		 322{
323 if (tplg->comp && tplg->ops && tplg->ops->link_load)
c60b613a 324 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 325
326 return 0;
327}
328
8a978234
LG		 329/* tell the component driver that all firmware has been loaded in this request */
330static void soc_tplg_complete(struct soc_tplg *tplg)
331{
332 if (tplg->comp && tplg->ops && tplg->ops->complete)
333 tplg->ops->complete(tplg->comp);
334}
335
336/* add a dynamic kcontrol */
337static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
338 const struct snd_kcontrol_new *control_new, const char *prefix,
339 void *data, struct snd_kcontrol **kcontrol)
340{
341 int err;
342
343 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
344 if (*kcontrol == NULL) {
345 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
346 control_new->name);
347 return -ENOMEM;
348 }
349
350 err = snd_ctl_add(card, *kcontrol);
351 if (err < 0) {
352 dev_err(dev, "ASoC: Failed to add %s: %d\n",
353 control_new->name, err);
354 return err;
355 }
356
357 return 0;
358}
359
360/* add a dynamic kcontrol for component driver */
361static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
362 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
363{
364 struct snd_soc_component *comp = tplg->comp;
365
366 return soc_tplg_add_dcontrol(comp->card->snd_card,
367 comp->dev, k, NULL, comp, kcontrol);
368}
369
370/* remove a mixer kcontrol */
371static void remove_mixer(struct snd_soc_component *comp,
372 struct snd_soc_dobj *dobj, int pass)
373{
374 struct snd_card *card = comp->card->snd_card;
375 struct soc_mixer_control *sm =
376 container_of(dobj, struct soc_mixer_control, dobj);
377 const unsigned int *p = NULL;
378
379 if (pass != SOC_TPLG_PASS_MIXER)
380 return;
381
382 if (dobj->ops && dobj->ops->control_unload)
383 dobj->ops->control_unload(comp, dobj);
384
385 if (sm->dobj.control.kcontrol->tlv.p)
386 p = sm->dobj.control.kcontrol->tlv.p;
387 snd_ctl_remove(card, sm->dobj.control.kcontrol);
388 list_del(&sm->dobj.list);
389 kfree(sm);
390 kfree(p);
391}
392
393/* remove an enum kcontrol */
394static void remove_enum(struct snd_soc_component *comp,
395 struct snd_soc_dobj *dobj, int pass)
396{
397 struct snd_card *card = comp->card->snd_card;
398 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
399 int i;
400
401 if (pass != SOC_TPLG_PASS_MIXER)
402 return;
403
404 if (dobj->ops && dobj->ops->control_unload)
405 dobj->ops->control_unload(comp, dobj);
406
407 snd_ctl_remove(card, se->dobj.control.kcontrol);
408 list_del(&se->dobj.list);
409
410 kfree(se->dobj.control.dvalues);
411 for (i = 0; i < se->items; i++)
412 kfree(se->dobj.control.dtexts[i]);
413 kfree(se);
414}
415
416/* remove a byte kcontrol */
417static void remove_bytes(struct snd_soc_component *comp,
418 struct snd_soc_dobj *dobj, int pass)
419{
420 struct snd_card *card = comp->card->snd_card;
421 struct soc_bytes_ext *sb =
422 container_of(dobj, struct soc_bytes_ext, dobj);
423
424 if (pass != SOC_TPLG_PASS_MIXER)
425 return;
426
427 if (dobj->ops && dobj->ops->control_unload)
428 dobj->ops->control_unload(comp, dobj);
429
430 snd_ctl_remove(card, sb->dobj.control.kcontrol);
431 list_del(&sb->dobj.list);
432 kfree(sb);
433}
434
435/* remove a widget and it's kcontrols - routes must be removed first */
436static void remove_widget(struct snd_soc_component *comp,
437 struct snd_soc_dobj *dobj, int pass)
438{
439 struct snd_card *card = comp->card->snd_card;
440 struct snd_soc_dapm_widget *w =
441 container_of(dobj, struct snd_soc_dapm_widget, dobj);
442 int i;
443
444 if (pass != SOC_TPLG_PASS_WIDGET)
445 return;
446
447 if (dobj->ops && dobj->ops->widget_unload)
448 dobj->ops->widget_unload(comp, dobj);
449
05bdcf12
LG		 450 if (!w->kcontrols)
451 goto free_news;
452
8a978234 453 /*
1a7dd6e2 454 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
8a978234
LG		 455 * The enum may either have an array of values or strings.
456 */
eea3dd4f 457 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
8a978234 458 /* enumerated widget mixer */
f53c4c20 459 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
1a7dd6e2
ML		 460 struct snd_kcontrol *kcontrol = w->kcontrols[i];
461 struct soc_enum *se =
462 (struct soc_enum *)kcontrol->private_value;
d7766aa5 463 int j;
8a978234 464
1a7dd6e2 465 snd_ctl_remove(card, kcontrol);
8a978234 466
1a7dd6e2 467 kfree(se->dobj.control.dvalues);
d7766aa5
CIK		 468 for (j = 0; j < se->items; j++)
469 kfree(se->dobj.control.dtexts[j]);
8a978234 470
1a7dd6e2 471 kfree(se);
267e2c6f 472 kfree(w->kcontrol_news[i].name);
1a7dd6e2 473 }
8a978234 474 } else {
eea3dd4f 475 /* volume mixer or bytes controls */
f53c4c20 476 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
8a978234 477 struct snd_kcontrol *kcontrol = w->kcontrols[i];
8a978234 478
eea3dd4f
ML		 479 if (dobj->widget.kcontrol_type
480 == SND_SOC_TPLG_TYPE_MIXER)
481 kfree(kcontrol->tlv.p);
8a978234 482
eea3dd4f
ML		 483 /* Private value is used as struct soc_mixer_control
484 * for volume mixers or soc_bytes_ext for bytes
485 * controls.
486 */
487 kfree((void *)kcontrol->private_value);
c2b36129 488 snd_ctl_remove(card, kcontrol);
267e2c6f 489 kfree(w->kcontrol_news[i].name);
8a978234 490 }
8a978234 491 }
05bdcf12
LG		 492
493free_news:
494 kfree(w->kcontrol_news);
495
8a978234
LG		 496 /* widget w is freed by soc-dapm.c */
497}
498
64527e8a
ML		 499/* remove DAI configurations */
500static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 501 struct snd_soc_dobj *dobj, int pass)
502{
64527e8a
ML		 503 struct snd_soc_dai_driver *dai_drv =
504 container_of(dobj, struct snd_soc_dai_driver, dobj);
505
8a978234
LG		 506 if (pass != SOC_TPLG_PASS_PCM_DAI)
507 return;
508
64527e8a
ML		 509 if (dobj->ops && dobj->ops->dai_unload)
510 dobj->ops->dai_unload(comp, dobj);
8a978234 511
8f27c4ab 512 kfree(dai_drv->name);
8a978234 513 list_del(&dobj->list);
64527e8a 514 kfree(dai_drv);
8a978234
LG		 515}
516
acfc7d46
ML		 517/* remove link configurations */
518static void remove_link(struct snd_soc_component *comp,
519 struct snd_soc_dobj *dobj, int pass)
520{
521 struct snd_soc_dai_link *link =
522 container_of(dobj, struct snd_soc_dai_link, dobj);
523
524 if (pass != SOC_TPLG_PASS_PCM_DAI)
525 return;
526
527 if (dobj->ops && dobj->ops->link_unload)
528 dobj->ops->link_unload(comp, dobj);
529
8f27c4ab
ML		 530 kfree(link->name);
531 kfree(link->stream_name);
532 kfree(link->cpu_dai_name);
533
acfc7d46
ML		 534 list_del(&dobj->list);
535 snd_soc_remove_dai_link(comp->card, link);
536 kfree(link);
537}
538
8a978234
LG		 539/* bind a kcontrol to it's IO handlers */
540static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
541 struct snd_kcontrol_new *k,
2b5cdb91 542 const struct soc_tplg *tplg)
8a978234 543{
2b5cdb91 544 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 545 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 546 int num_ops, i;
8a978234 547
1a3232d2
ML		 548 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
549 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
550 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
551 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
552 struct soc_bytes_ext *sbe;
553 struct snd_soc_tplg_bytes_control *be;
554
555 sbe = (struct soc_bytes_ext *)k->private_value;
556 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
557
558 /* TLV bytes controls need standard kcontrol info handler,
559 * TLV callback and extended put/get handlers.
560 */
f4be978b 561 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 562 k->tlv.c = snd_soc_bytes_tlv_callback;
563
564 ext_ops = tplg->bytes_ext_ops;
565 num_ops = tplg->bytes_ext_ops_count;
566 for (i = 0; i < num_ops; i++) {
567 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
568 sbe->put = ext_ops[i].put;
569 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
570 sbe->get = ext_ops[i].get;
571 }
572
573 if (sbe->put && sbe->get)
574 return 0;
575 else
576 return -EINVAL;
577 }
8a978234 578
88a17d8f 579 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 580 ops = tplg->io_ops;
581 num_ops = tplg->io_ops_count;
8a978234
LG		 582 for (i = 0; i < num_ops; i++) {
583
2b5cdb91 584 if (k->put == NULL && ops[i].id == hdr->ops.put)
8a978234 585 k->put = ops[i].put;
2b5cdb91 586 if (k->get == NULL && ops[i].id == hdr->ops.get)
8a978234 587 k->get = ops[i].get;
2b5cdb91 588 if (k->info == NULL && ops[i].id == hdr->ops.info)
8a978234
LG		 589 k->info = ops[i].info;
590 }
591
88a17d8f 592 /* vendor specific handlers found ? */
8a978234
LG		 593 if (k->put && k->get && k->info)
594 return 0;
595
88a17d8f 596 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 597 ops = io_ops;
598 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 599 for (i = 0; i < num_ops; i++) {
8a978234 600
88a17d8f
ML		 601 if (k->put == NULL && ops[i].id == hdr->ops.put)
602 k->put = ops[i].put;
603 if (k->get == NULL && ops[i].id == hdr->ops.get)
604 k->get = ops[i].get;
8a978234 605 if (k->info == NULL && ops[i].id == hdr->ops.info)
88a17d8f 606 k->info = ops[i].info;
8a978234
LG		 607 }
608
88a17d8f 609 /* standard handlers found ? */
8a978234
LG		 610 if (k->put && k->get && k->info)
611 return 0;
612
613 /* nothing to bind */
614 return -EINVAL;
615}
616
617/* bind a widgets to it's evnt handlers */
618int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
619 const struct snd_soc_tplg_widget_events *events,
620 int num_events, u16 event_type)
621{
622 int i;
623
624 w->event = NULL;
625
626 for (i = 0; i < num_events; i++) {
627 if (event_type == events[i].type) {
628
629 /* found - so assign event */
630 w->event = events[i].event_handler;
631 return 0;
632 }
633 }
634
635 /* not found */
636 return -EINVAL;
637}
638EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
639
640/* optionally pass new dynamic kcontrol to component driver. */
641static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
642 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
643{
644 if (tplg->comp && tplg->ops && tplg->ops->control_load)
c60b613a
LG		 645 return tplg->ops->control_load(tplg->comp, tplg->index, k,
646 hdr);
8a978234
LG		 647
648 return 0;
649}
650
8a978234 651
28a87eeb
ML		 652static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
653 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
654{
655 unsigned int item_len = 2 * sizeof(unsigned int);
656 unsigned int *p;
8a978234 657
28a87eeb
ML		 658 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
659 if (!p)
8a978234
LG		 660 return -ENOMEM;
661
28a87eeb
ML		 662 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
663 p[1] = item_len;
664 p[2] = scale->min;
665 p[3] = (scale->step & TLV_DB_SCALE_MASK)
666 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
667
668 kc->tlv.p = (void *)p;
669 return 0;
670}
671
672static int soc_tplg_create_tlv(struct soc_tplg *tplg,
673 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
674{
675 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
676
677 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
678 return 0;
8a978234 679
1a3232d2 680 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb
ML		 681 tplg_tlv = &tc->tlv;
682 switch (tplg_tlv->type) {
683 case SNDRV_CTL_TLVT_DB_SCALE:
684 return soc_tplg_create_tlv_db_scale(tplg, kc,
685 &tplg_tlv->scale);
686
687 /* TODO: add support for other TLV types */
688 default:
689 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
690 tplg_tlv->type);
691 return -EINVAL;
692 }
693 }
8a978234
LG		 694
695 return 0;
696}
697
698static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
699 struct snd_kcontrol_new *kc)
700{
701 kfree(kc->tlv.p);
702}
703
704static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
705 size_t size)
706{
707 struct snd_soc_tplg_bytes_control *be;
708 struct soc_bytes_ext *sbe;
709 struct snd_kcontrol_new kc;
710 int i, err;
711
712 if (soc_tplg_check_elem_count(tplg,
713 sizeof(struct snd_soc_tplg_bytes_control), count,
714 size, "mixer bytes")) {
715 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
716 count);
717 return -EINVAL;
718 }
719
720 for (i = 0; i < count; i++) {
721 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
722
723 /* validate kcontrol */
724 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
725 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
726 return -EINVAL;
727
728 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
729 if (sbe == NULL)
730 return -ENOMEM;
731
732 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
733 be->priv.size);
734
735 dev_dbg(tplg->dev,
736 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
737 be->hdr.name, be->hdr.access);
738
739 memset(&kc, 0, sizeof(kc));
740 kc.name = be->hdr.name;
741 kc.private_value = (long)sbe;
742 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
743 kc.access = be->hdr.access;
744
745 sbe->max = be->max;
746 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
747 sbe->dobj.ops = tplg->ops;
748 INIT_LIST_HEAD(&sbe->dobj.list);
749
750 /* map io handlers */
2b5cdb91 751 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 752 if (err) {
753 soc_control_err(tplg, &be->hdr, be->hdr.name);
754 kfree(sbe);
755 continue;
756 }
757
758 /* pass control to driver for optional further init */
759 err = soc_tplg_init_kcontrol(tplg, &kc,
760 (struct snd_soc_tplg_ctl_hdr *)be);
761 if (err < 0) {
762 dev_err(tplg->dev, "ASoC: failed to init %s\n",
763 be->hdr.name);
764 kfree(sbe);
765 continue;
766 }
767
768 /* register control here */
769 err = soc_tplg_add_kcontrol(tplg, &kc,
770 &sbe->dobj.control.kcontrol);
771 if (err < 0) {
772 dev_err(tplg->dev, "ASoC: failed to add %s\n",
773 be->hdr.name);
774 kfree(sbe);
775 continue;
776 }
777
778 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
779 }
780 return 0;
781
782}
783
784static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
785 size_t size)
786{
787 struct snd_soc_tplg_mixer_control *mc;
788 struct soc_mixer_control *sm;
789 struct snd_kcontrol_new kc;
790 int i, err;
791
792 if (soc_tplg_check_elem_count(tplg,
793 sizeof(struct snd_soc_tplg_mixer_control),
794 count, size, "mixers")) {
795
796 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
797 count);
798 return -EINVAL;
799 }
800
801 for (i = 0; i < count; i++) {
802 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
803
804 /* validate kcontrol */
805 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
806 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
807 return -EINVAL;
808
809 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
810 if (sm == NULL)
811 return -ENOMEM;
812 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
813 mc->priv.size);
814
815 dev_dbg(tplg->dev,
816 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
817 mc->hdr.name, mc->hdr.access);
818
819 memset(&kc, 0, sizeof(kc));
820 kc.name = mc->hdr.name;
821 kc.private_value = (long)sm;
822 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
823 kc.access = mc->hdr.access;
824
825 /* we only support FL/FR channel mapping atm */
826 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
827 SNDRV_CHMAP_FL);
828 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
829 SNDRV_CHMAP_FR);
830 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
831 SNDRV_CHMAP_FL);
832 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
833 SNDRV_CHMAP_FR);
834
835 sm->max = mc->max;
836 sm->min = mc->min;
837 sm->invert = mc->invert;
838 sm->platform_max = mc->platform_max;
839 sm->dobj.index = tplg->index;
840 sm->dobj.ops = tplg->ops;
841 sm->dobj.type = SND_SOC_DOBJ_MIXER;
842 INIT_LIST_HEAD(&sm->dobj.list);
843
844 /* map io handlers */
2b5cdb91 845 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 846 if (err) {
847 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
848 kfree(sm);
849 continue;
850 }
851
852 /* pass control to driver for optional further init */
853 err = soc_tplg_init_kcontrol(tplg, &kc,
854 (struct snd_soc_tplg_ctl_hdr *) mc);
855 if (err < 0) {
856 dev_err(tplg->dev, "ASoC: failed to init %s\n",
857 mc->hdr.name);
858 kfree(sm);
859 continue;
860 }
861
862 /* create any TLV data */
28a87eeb 863 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
8a978234
LG		 864
865 /* register control here */
866 err = soc_tplg_add_kcontrol(tplg, &kc,
867 &sm->dobj.control.kcontrol);
868 if (err < 0) {
869 dev_err(tplg->dev, "ASoC: failed to add %s\n",
870 mc->hdr.name);
871 soc_tplg_free_tlv(tplg, &kc);
872 kfree(sm);
873 continue;
874 }
875
876 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
877 }
878
879 return 0;
880}
881
882static int soc_tplg_denum_create_texts(struct soc_enum *se,
883 struct snd_soc_tplg_enum_control *ec)
884{
885 int i, ret;
886
887 se->dobj.control.dtexts =
6396bb22 888 kcalloc(ec->items, sizeof(char *), GFP_KERNEL);
8a978234
LG		 889 if (se->dobj.control.dtexts == NULL)
890 return -ENOMEM;
891
892 for (i = 0; i < ec->items; i++) {
893
894 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
895 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
896 ret = -EINVAL;
897 goto err;
898 }
899
900 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
901 if (!se->dobj.control.dtexts[i]) {
902 ret = -ENOMEM;
903 goto err;
904 }
905 }
906
b6e38b29 907 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 908 return 0;
909
910err:
911 for (--i; i >= 0; i--)
912 kfree(se->dobj.control.dtexts[i]);
913 kfree(se->dobj.control.dtexts);
914 return ret;
915}
916
917static int soc_tplg_denum_create_values(struct soc_enum *se,
918 struct snd_soc_tplg_enum_control *ec)
919{
920 if (ec->items > sizeof(*ec->values))
921 return -EINVAL;
922
376c0afe
AH		 923 se->dobj.control.dvalues = kmemdup(ec->values,
924 ec->items * sizeof(u32),
925 GFP_KERNEL);
8a978234
LG		 926 if (!se->dobj.control.dvalues)
927 return -ENOMEM;
928
8a978234
LG		 929 return 0;
930}
931
932static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
933 size_t size)
934{
935 struct snd_soc_tplg_enum_control *ec;
936 struct soc_enum *se;
937 struct snd_kcontrol_new kc;
938 int i, ret, err;
939
940 if (soc_tplg_check_elem_count(tplg,
941 sizeof(struct snd_soc_tplg_enum_control),
942 count, size, "enums")) {
943
944 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
945 count);
946 return -EINVAL;
947 }
948
949 for (i = 0; i < count; i++) {
950 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
951 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
952 ec->priv.size);
953
954 /* validate kcontrol */
955 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
956 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
957 return -EINVAL;
958
959 se = kzalloc((sizeof(*se)), GFP_KERNEL);
960 if (se == NULL)
961 return -ENOMEM;
962
963 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
964 ec->hdr.name, ec->items);
965
966 memset(&kc, 0, sizeof(kc));
967 kc.name = ec->hdr.name;
968 kc.private_value = (long)se;
969 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
970 kc.access = ec->hdr.access;
971
972 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
973 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
974 SNDRV_CHMAP_FL);
975 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
976 SNDRV_CHMAP_FL);
977
978 se->items = ec->items;
979 se->mask = ec->mask;
980 se->dobj.index = tplg->index;
981 se->dobj.type = SND_SOC_DOBJ_ENUM;
982 se->dobj.ops = tplg->ops;
983 INIT_LIST_HEAD(&se->dobj.list);
984
985 switch (ec->hdr.ops.info) {
986 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
987 case SND_SOC_TPLG_CTL_ENUM_VALUE:
988 err = soc_tplg_denum_create_values(se, ec);
989 if (err < 0) {
990 dev_err(tplg->dev,
991 "ASoC: could not create values for %s\n",
992 ec->hdr.name);
993 kfree(se);
994 continue;
995 }
9c6c4d96 996 /* fall through */
8a978234
LG		 997 case SND_SOC_TPLG_CTL_ENUM:
998 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
999 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1000 err = soc_tplg_denum_create_texts(se, ec);
1001 if (err < 0) {
1002 dev_err(tplg->dev,
1003 "ASoC: could not create texts for %s\n",
1004 ec->hdr.name);
1005 kfree(se);
1006 continue;
1007 }
1008 break;
1009 default:
1010 dev_err(tplg->dev,
1011 "ASoC: invalid enum control type %d for %s\n",
1012 ec->hdr.ops.info, ec->hdr.name);
1013 kfree(se);
1014 continue;
1015 }
1016
1017 /* map io handlers */
2b5cdb91 1018 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1019 if (err) {
1020 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1021 kfree(se);
1022 continue;
1023 }
1024
1025 /* pass control to driver for optional further init */
1026 err = soc_tplg_init_kcontrol(tplg, &kc,
1027 (struct snd_soc_tplg_ctl_hdr *) ec);
1028 if (err < 0) {
1029 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1030 ec->hdr.name);
1031 kfree(se);
1032 continue;
1033 }
1034
1035 /* register control here */
1036 ret = soc_tplg_add_kcontrol(tplg,
1037 &kc, &se->dobj.control.kcontrol);
1038 if (ret < 0) {
1039 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1040 ec->hdr.name);
1041 kfree(se);
1042 continue;
1043 }
1044
1045 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1046 }
1047
1048 return 0;
1049}
1050
1051static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1052 struct snd_soc_tplg_hdr *hdr)
1053{
1054 struct snd_soc_tplg_ctl_hdr *control_hdr;
1055 int i;
1056
1057 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1058 tplg->pos += hdr->size + hdr->payload_size;
1059 return 0;
1060 }
1061
1062 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1063 soc_tplg_get_offset(tplg));
1064
1065 for (i = 0; i < hdr->count; i++) {
1066
1067 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1068
06eb49f7
ML		 1069 if (control_hdr->size != sizeof(*control_hdr)) {
1070 dev_err(tplg->dev, "ASoC: invalid control size\n");
1071 return -EINVAL;
1072 }
1073
8a978234
LG		 1074 switch (control_hdr->ops.info) {
1075 case SND_SOC_TPLG_CTL_VOLSW:
1076 case SND_SOC_TPLG_CTL_STROBE:
1077 case SND_SOC_TPLG_CTL_VOLSW_SX:
1078 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1079 case SND_SOC_TPLG_CTL_RANGE:
1080 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1081 case SND_SOC_TPLG_DAPM_CTL_PIN:
1082 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1083 break;
1084 case SND_SOC_TPLG_CTL_ENUM:
1085 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1086 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1087 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1088 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1089 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1090 break;
1091 case SND_SOC_TPLG_CTL_BYTES:
1092 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1093 break;
1094 default:
1095 soc_bind_err(tplg, control_hdr, i);
1096 return -EINVAL;
1097 }
1098 }
1099
1100 return 0;
1101}
1102
503e79b7
LG		 1103/* optionally pass new dynamic kcontrol to component driver. */
1104static int soc_tplg_add_route(struct soc_tplg *tplg,
1105 struct snd_soc_dapm_route *route)
1106{
1107 if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
1108 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1109 route);
1110
1111 return 0;
1112}
1113
8a978234
LG		 1114static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1115 struct snd_soc_tplg_hdr *hdr)
1116{
1117 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1118 struct snd_soc_dapm_route route;
1119 struct snd_soc_tplg_dapm_graph_elem *elem;
1120 int count = hdr->count, i;
1121
1122 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1123 tplg->pos += hdr->size + hdr->payload_size;
1124 return 0;
1125 }
1126
1127 if (soc_tplg_check_elem_count(tplg,
1128 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1129 count, hdr->payload_size, "graph")) {
1130
1131 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1132 count);
1133 return -EINVAL;
1134 }
1135
b75a6511
LG		 1136 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1137 hdr->index);
8a978234
LG		 1138
1139 for (i = 0; i < count; i++) {
1140 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1141 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1142
1143 /* validate routes */
1144 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1145 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1146 return -EINVAL;
1147 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1148 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1149 return -EINVAL;
1150 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1151 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1152 return -EINVAL;
1153
1154 route.source = elem->source;
1155 route.sink = elem->sink;
1156 route.connected = NULL; /* set to NULL atm for tplg users */
1157 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1158 route.control = NULL;
1159 else
1160 route.control = elem->control;
1161
503e79b7
LG		 1162 soc_tplg_add_route(tplg, &route);
1163
8a978234
LG		 1164 /* add route, but keep going if some fail */
1165 snd_soc_dapm_add_routes(dapm, &route, 1);
1166 }
1167
1168 return 0;
1169}
1170
1171static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1172 struct soc_tplg *tplg, int num_kcontrols)
1173{
1174 struct snd_kcontrol_new *kc;
1175 struct soc_mixer_control *sm;
1176 struct snd_soc_tplg_mixer_control *mc;
1177 int i, err;
1178
4ca7deb1 1179 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1180 if (kc == NULL)
1181 return NULL;
1182
1183 for (i = 0; i < num_kcontrols; i++) {
1184 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1185 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1186 if (sm == NULL)
1187 goto err;
1188
1189 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1190 mc->priv.size);
1191
1192 /* validate kcontrol */
1193 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1194 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1195 goto err_str;
1196
1197 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1198 mc->hdr.name, i);
1199
267e2c6f
LG		 1200 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1201 if (kc[i].name == NULL)
1202 goto err_str;
8a978234
LG		 1203 kc[i].private_value = (long)sm;
1204 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1205 kc[i].access = mc->hdr.access;
1206
1207 /* we only support FL/FR channel mapping atm */
1208 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1209 SNDRV_CHMAP_FL);
1210 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1211 SNDRV_CHMAP_FR);
1212 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1213 SNDRV_CHMAP_FL);
1214 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1215 SNDRV_CHMAP_FR);
1216
1217 sm->max = mc->max;
1218 sm->min = mc->min;
1219 sm->invert = mc->invert;
1220 sm->platform_max = mc->platform_max;
1221 sm->dobj.index = tplg->index;
1222 INIT_LIST_HEAD(&sm->dobj.list);
1223
1224 /* map io handlers */
2b5cdb91 1225 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1226 if (err) {
1227 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1228 kfree(sm);
1229 continue;
1230 }
1231
1232 /* pass control to driver for optional further init */
1233 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1234 (struct snd_soc_tplg_ctl_hdr *)mc);
1235 if (err < 0) {
1236 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1237 mc->hdr.name);
1238 kfree(sm);
1239 continue;
1240 }
bde8b388
RS		 1241
1242 /* create any TLV data */
1243 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
8a978234
LG		 1244 }
1245 return kc;
1246
1247err_str:
1248 kfree(sm);
1249err:
267e2c6f 1250 for (--i; i >= 0; i--) {
8a978234 1251 kfree((void *)kc[i].private_value);
267e2c6f
LG		 1252 kfree(kc[i].name);
1253 }
8a978234
LG		 1254 kfree(kc);
1255 return NULL;
1256}
1257
1258static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1259 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1260{
1261 struct snd_kcontrol_new *kc;
1262 struct snd_soc_tplg_enum_control *ec;
1263 struct soc_enum *se;
1a7dd6e2 1264 int i, j, err;
8a978234 1265
1a7dd6e2 1266 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1267 if (kc == NULL)
1268 return NULL;
1269
1a7dd6e2
ML		 1270 for (i = 0; i < num_kcontrols; i++) {
1271 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1272 /* validate kcontrol */
1273 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1274 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
f3ee9096 1275 goto err;
1a7dd6e2
ML		 1276
1277 se = kzalloc(sizeof(*se), GFP_KERNEL);
1278 if (se == NULL)
1279 goto err;
8a978234 1280
1a7dd6e2
ML		 1281 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1282 ec->hdr.name);
8a978234 1283
267e2c6f 1284 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
65030ff3
DC		 1285 if (kc[i].name == NULL) {
1286 kfree(se);
267e2c6f 1287 goto err_se;
65030ff3 1288 }
1a7dd6e2
ML		 1289 kc[i].private_value = (long)se;
1290 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1291 kc[i].access = ec->hdr.access;
8a978234 1292
1a7dd6e2
ML		 1293 /* we only support FL/FR channel mapping atm */
1294 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1295 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1296 SNDRV_CHMAP_FL);
1297 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1298 SNDRV_CHMAP_FR);
8a978234 1299
1a7dd6e2
ML		 1300 se->items = ec->items;
1301 se->mask = ec->mask;
1302 se->dobj.index = tplg->index;
8a978234 1303
1a7dd6e2
ML		 1304 switch (ec->hdr.ops.info) {
1305 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1306 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1307 err = soc_tplg_denum_create_values(se, ec);
1308 if (err < 0) {
1309 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1310 ec->hdr.name);
1311 goto err_se;
1312 }
9c6c4d96 1313 /* fall through */
1a7dd6e2
ML		 1314 case SND_SOC_TPLG_CTL_ENUM:
1315 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1316 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1317 err = soc_tplg_denum_create_texts(se, ec);
1318 if (err < 0) {
1319 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1320 ec->hdr.name);
1321 goto err_se;
1322 }
1323 break;
1324 default:
1325 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1326 ec->hdr.ops.info, ec->hdr.name);
8a978234
LG		 1327 goto err_se;
1328 }
1a7dd6e2
ML		 1329
1330 /* map io handlers */
1331 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1332 if (err) {
1333 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1334 goto err_se;
1335 }
1336
1337 /* pass control to driver for optional further init */
1338 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1339 (struct snd_soc_tplg_ctl_hdr *)ec);
8a978234 1340 if (err < 0) {
1a7dd6e2 1341 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1342 ec->hdr.name);
1343 goto err_se;
1344 }
8a978234 1345
1a7dd6e2
ML		 1346 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1347 ec->priv.size);
8a978234
LG		 1348 }
1349
1350 return kc;
1351
1352err_se:
1a7dd6e2
ML		 1353 for (; i >= 0; i--) {
1354 /* free values and texts */
1355 se = (struct soc_enum *)kc[i].private_value;
6d5574ed
CJ		 1356 if (!se)
1357 continue;
1358
1a7dd6e2
ML		 1359 kfree(se->dobj.control.dvalues);
1360 for (j = 0; j < ec->items; j++)
1361 kfree(se->dobj.control.dtexts[j]);
8a978234 1362
1a7dd6e2 1363 kfree(se);
267e2c6f 1364 kfree(kc[i].name);
1a7dd6e2 1365 }
8a978234
LG		 1366err:
1367 kfree(kc);
1368
1369 return NULL;
1370}
1371
1372static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1373 struct soc_tplg *tplg, int count)
1374{
1375 struct snd_soc_tplg_bytes_control *be;
1376 struct soc_bytes_ext *sbe;
1377 struct snd_kcontrol_new *kc;
1378 int i, err;
1379
4ca7deb1 1380 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1381 if (!kc)
1382 return NULL;
1383
1384 for (i = 0; i < count; i++) {
1385 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1386
1387 /* validate kcontrol */
1388 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1389 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1390 goto err;
1391
1392 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1393 if (sbe == NULL)
1394 goto err;
1395
1396 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1397 be->priv.size);
1398
1399 dev_dbg(tplg->dev,
1400 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1401 be->hdr.name, be->hdr.access);
1402
267e2c6f 1403 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
65030ff3
DC		 1404 if (kc[i].name == NULL) {
1405 kfree(sbe);
267e2c6f 1406 goto err;
65030ff3 1407 }
8a978234
LG		 1408 kc[i].private_value = (long)sbe;
1409 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1410 kc[i].access = be->hdr.access;
1411
1412 sbe->max = be->max;
1413 INIT_LIST_HEAD(&sbe->dobj.list);
1414
1415 /* map standard io handlers and check for external handlers */
2b5cdb91 1416 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1417 if (err) {
1418 soc_control_err(tplg, &be->hdr, be->hdr.name);
1419 kfree(sbe);
1420 continue;
1421 }
1422
1423 /* pass control to driver for optional further init */
1424 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1425 (struct snd_soc_tplg_ctl_hdr *)be);
1426 if (err < 0) {
1427 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1428 be->hdr.name);
1429 kfree(sbe);
1430 continue;
1431 }
1432 }
1433
1434 return kc;
1435
1436err:
267e2c6f 1437 for (--i; i >= 0; i--) {
8a978234 1438 kfree((void *)kc[i].private_value);
267e2c6f
LG		 1439 kfree(kc[i].name);
1440 }
8a978234
LG		 1441
1442 kfree(kc);
1443 return NULL;
1444}
1445
1446static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1447 struct snd_soc_tplg_dapm_widget *w)
1448{
1449 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1450 struct snd_soc_dapm_widget template, *widget;
1451 struct snd_soc_tplg_ctl_hdr *control_hdr;
1452 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1453 unsigned int kcontrol_type;
8a978234
LG		 1454 int ret = 0;
1455
1456 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1457 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1458 return -EINVAL;
1459 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1460 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1461 return -EINVAL;
1462
1463 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1464 w->name, w->id);
1465
1466 memset(&template, 0, sizeof(template));
1467
1468 /* map user to kernel widget ID */
1469 template.id = get_widget_id(w->id);
1470 if (template.id < 0)
1471 return template.id;
1472
c3421a6a 1473 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1474 template.name = kstrdup(w->name, GFP_KERNEL);
1475 if (!template.name)
1476 return -ENOMEM;
1477 template.sname = kstrdup(w->sname, GFP_KERNEL);
1478 if (!template.sname) {
1479 ret = -ENOMEM;
1480 goto err;
1481 }
1482 template.reg = w->reg;
1483 template.shift = w->shift;
1484 template.mask = w->mask;
6dc6db79 1485 template.subseq = w->subseq;
8a978234
LG		 1486 template.on_val = w->invert ? 0 : 1;
1487 template.off_val = w->invert ? 1 : 0;
1488 template.ignore_suspend = w->ignore_suspend;
1489 template.event_flags = w->event_flags;
1490 template.dobj.index = tplg->index;
1491
1492 tplg->pos +=
1493 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1494 if (w->num_kcontrols == 0) {
dd5abb74 1495 kcontrol_type = 0;
8a978234
LG		 1496 template.num_kcontrols = 0;
1497 goto widget;
1498 }
1499
1500 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1501 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1502 w->name, w->num_kcontrols, control_hdr->type);
1503
1504 switch (control_hdr->ops.info) {
1505 case SND_SOC_TPLG_CTL_VOLSW:
1506 case SND_SOC_TPLG_CTL_STROBE:
1507 case SND_SOC_TPLG_CTL_VOLSW_SX:
1508 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1509 case SND_SOC_TPLG_CTL_RANGE:
1510 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1511 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
8a978234
LG		 1512 template.num_kcontrols = w->num_kcontrols;
1513 template.kcontrol_news =
1514 soc_tplg_dapm_widget_dmixer_create(tplg,
1515 template.num_kcontrols);
1516 if (!template.kcontrol_news) {
1517 ret = -ENOMEM;
1518 goto hdr_err;
1519 }
1520 break;
1521 case SND_SOC_TPLG_CTL_ENUM:
1522 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1523 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1524 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1525 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1526 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1a7dd6e2 1527 template.num_kcontrols = w->num_kcontrols;
8a978234 1528 template.kcontrol_news =
1a7dd6e2
ML		 1529 soc_tplg_dapm_widget_denum_create(tplg,
1530 template.num_kcontrols);
8a978234
LG		 1531 if (!template.kcontrol_news) {
1532 ret = -ENOMEM;
1533 goto hdr_err;
1534 }
1535 break;
1536 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1537 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
8a978234
LG		 1538 template.num_kcontrols = w->num_kcontrols;
1539 template.kcontrol_news =
1540 soc_tplg_dapm_widget_dbytes_create(tplg,
1541 template.num_kcontrols);
1542 if (!template.kcontrol_news) {
1543 ret = -ENOMEM;
1544 goto hdr_err;
1545 }
1546 break;
1547 default:
1548 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1549 control_hdr->ops.get, control_hdr->ops.put,
1550 control_hdr->ops.info);
1551 ret = -EINVAL;
1552 goto hdr_err;
1553 }
1554
1555widget:
1556 ret = soc_tplg_widget_load(tplg, &template, w);
1557 if (ret < 0)
1558 goto hdr_err;
1559
1560 /* card dapm mutex is held by the core if we are loading topology
1561 * data during sound card init. */
1562 if (card->instantiated)
1563 widget = snd_soc_dapm_new_control(dapm, &template);
1564 else
1565 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1566 if (IS_ERR(widget)) {
1567 ret = PTR_ERR(widget);
8a978234
LG		 1568 goto hdr_err;
1569 }
1570
1571 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1572 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1573 widget->dobj.ops = tplg->ops;
1574 widget->dobj.index = tplg->index;
1575 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1576
1577 ret = soc_tplg_widget_ready(tplg, widget, w);
1578 if (ret < 0)
1579 goto ready_err;
1580
8a978234
LG		 1581 return 0;
1582
ebd259d3
LG		 1583ready_err:
1584 snd_soc_tplg_widget_remove(widget);
1585 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1586hdr_err:
1587 kfree(template.sname);
1588err:
1589 kfree(template.name);
1590 return ret;
1591}
1592
1593static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1594 struct snd_soc_tplg_hdr *hdr)
1595{
1596 struct snd_soc_tplg_dapm_widget *widget;
1597 int ret, count = hdr->count, i;
1598
1599 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1600 return 0;
1601
1602 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1603
1604 for (i = 0; i < count; i++) {
1605 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
06eb49f7
ML		 1606 if (widget->size != sizeof(*widget)) {
1607 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1608 return -EINVAL;
1609 }
1610
8a978234 1611 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1612 if (ret < 0) {
8a978234
LG		 1613 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1614 widget->name);
7de76b62
ML		 1615 return ret;
1616 }
8a978234
LG		 1617 }
1618
1619 return 0;
1620}
1621
1622static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1623{
1624 struct snd_soc_card *card = tplg->comp->card;
1625 int ret;
1626
1627 /* Card might not have been registered at this point.
1628 * If so, just return success.
1629 */
1630 if (!card || !card->instantiated) {
1631 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1632 " widget card binding deferred\n");
8a978234
LG		 1633 return 0;
1634 }
1635
1636 ret = snd_soc_dapm_new_widgets(card);
1637 if (ret < 0)
1638 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1639 ret);
1640
1641 return 0;
1642}
1643
b6b6e4d6
ML		 1644static void set_stream_info(struct snd_soc_pcm_stream *stream,
1645 struct snd_soc_tplg_stream_caps *caps)
1646{
1647 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1648 stream->channels_min = caps->channels_min;
1649 stream->channels_max = caps->channels_max;
1650 stream->rates = caps->rates;
1651 stream->rate_min = caps->rate_min;
1652 stream->rate_max = caps->rate_max;
1653 stream->formats = caps->formats;
f918e169 1654 stream->sig_bits = caps->sig_bits;
b6b6e4d6
ML		 1655}
1656
0038be9a
ML		 1657static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1658 unsigned int flag_mask, unsigned int flags)
1659{
1660 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1661 dai_drv->symmetric_rates =
1662 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1663
1664 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1665 dai_drv->symmetric_channels =
1666 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1667 1 : 0;
1668
1669 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1670 dai_drv->symmetric_samplebits =
1671 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1672 1 : 0;
1673}
1674
64527e8a
ML		 1675static int soc_tplg_dai_create(struct soc_tplg *tplg,
1676 struct snd_soc_tplg_pcm *pcm)
1677{
1678 struct snd_soc_dai_driver *dai_drv;
1679 struct snd_soc_pcm_stream *stream;
1680 struct snd_soc_tplg_stream_caps *caps;
1681 int ret;
1682
1683 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1684 if (dai_drv == NULL)
1685 return -ENOMEM;
1686
8f27c4ab
ML		 1687 if (strlen(pcm->dai_name))
1688 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
64527e8a
ML		 1689 dai_drv->id = pcm->dai_id;
1690
1691 if (pcm->playback) {
1692 stream = &dai_drv->playback;
1693 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
b6b6e4d6 1694 set_stream_info(stream, caps);
64527e8a
ML		 1695 }
1696
1697 if (pcm->capture) {
1698 stream = &dai_drv->capture;
1699 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
b6b6e4d6 1700 set_stream_info(stream, caps);
64527e8a
ML		 1701 }
1702
5db6aab6
LG		 1703 if (pcm->compress)
1704 dai_drv->compress_new = snd_soc_new_compress;
1705
64527e8a 1706 /* pass control to component driver for optional further init */
c60b613a 1707 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a
ML		 1708 if (ret < 0) {
1709 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1710 kfree(dai_drv);
1711 return ret;
1712 }
1713
1714 dai_drv->dobj.index = tplg->index;
1715 dai_drv->dobj.ops = tplg->ops;
1716 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1717 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1718
1719 /* register the DAI to the component */
1720 return snd_soc_register_dai(tplg->comp, dai_drv);
1721}
1722
717a8e72
ML		 1723static void set_link_flags(struct snd_soc_dai_link *link,
1724 unsigned int flag_mask, unsigned int flags)
1725{
1726 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1727 link->symmetric_rates =
1728 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1729
1730 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1731 link->symmetric_channels =
1732 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1733 1 : 0;
1734
1735 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1736 link->symmetric_samplebits =
1737 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1738 1 : 0;
6ff67cca
ML		 1739
1740 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1741 link->ignore_suspend =
1742 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1743 1 : 0;
717a8e72
ML		 1744}
1745
67d1c21e 1746/* create the FE DAI link */
ab4bc5ee 1747static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1748 struct snd_soc_tplg_pcm *pcm)
1749{
1750 struct snd_soc_dai_link *link;
1751 int ret;
1752
1753 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1754 if (link == NULL)
1755 return -ENOMEM;
1756
8f27c4ab
ML		 1757 if (strlen(pcm->pcm_name)) {
1758 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1759 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1760 }
b84fff5a 1761 link->id = pcm->pcm_id;
acfc7d46 1762
8f27c4ab
ML		 1763 if (strlen(pcm->dai_name))
1764 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1765
67d1c21e
GS		 1766 link->codec_name = "snd-soc-dummy";
1767 link->codec_dai_name = "snd-soc-dummy-dai";
1768
1769 /* enable DPCM */
1770 link->dynamic = 1;
1771 link->dpcm_playback = pcm->playback;
1772 link->dpcm_capture = pcm->capture;
717a8e72
ML		 1773 if (pcm->flag_mask)
1774 set_link_flags(link, pcm->flag_mask, pcm->flags);
67d1c21e 1775
acfc7d46 1776 /* pass control to component driver for optional further init */
c60b613a 1777 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46
ML		 1778 if (ret < 0) {
1779 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1780 kfree(link);
1781 return ret;
1782 }
1783
1784 link->dobj.index = tplg->index;
1785 link->dobj.ops = tplg->ops;
1786 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1787 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1788
1789 snd_soc_add_dai_link(tplg->comp->card, link);
1790 return 0;
1791}
1792
1793/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1794static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1795 struct snd_soc_tplg_pcm *pcm)
1796{
acfc7d46
ML		 1797 int ret;
1798
1799 ret = soc_tplg_dai_create(tplg, pcm);
1800 if (ret < 0)
1801 return ret;
1802
ab4bc5ee 1803 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1804}
1805
55726dc9
ML		 1806/* copy stream caps from the old version 4 of source */
1807static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1808 struct snd_soc_tplg_stream_caps_v4 *src)
1809{
1810 dest->size = sizeof(*dest);
1811 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1812 dest->formats = src->formats;
1813 dest->rates = src->rates;
1814 dest->rate_min = src->rate_min;
1815 dest->rate_max = src->rate_max;
1816 dest->channels_min = src->channels_min;
1817 dest->channels_max = src->channels_max;
1818 dest->periods_min = src->periods_min;
1819 dest->periods_max = src->periods_max;
1820 dest->period_size_min = src->period_size_min;
1821 dest->period_size_max = src->period_size_max;
1822 dest->buffer_size_min = src->buffer_size_min;
1823 dest->buffer_size_max = src->buffer_size_max;
1824}
1825
1826/**
1827 * pcm_new_ver - Create the new version of PCM from the old version.
1828 * @tplg: topology context
1829 * @src: older version of pcm as a source
1830 * @pcm: latest version of pcm created from the source
1831 *
1832 * Support from vesion 4. User should free the returned pcm manually.
1833 */
1834static int pcm_new_ver(struct soc_tplg *tplg,
1835 struct snd_soc_tplg_pcm *src,
1836 struct snd_soc_tplg_pcm **pcm)
1837{
1838 struct snd_soc_tplg_pcm *dest;
1839 struct snd_soc_tplg_pcm_v4 *src_v4;
1840 int i;
1841
1842 *pcm = NULL;
1843
1844 if (src->size != sizeof(*src_v4)) {
1845 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1846 return -EINVAL;
1847 }
1848
1849 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1850 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1851 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1852 if (!dest)
1853 return -ENOMEM;
1854
1855 dest->size = sizeof(*dest); /* size of latest abi version */
1856 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1857 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1858 dest->pcm_id = src_v4->pcm_id;
1859 dest->dai_id = src_v4->dai_id;
1860 dest->playback = src_v4->playback;
1861 dest->capture = src_v4->capture;
1862 dest->compress = src_v4->compress;
1863 dest->num_streams = src_v4->num_streams;
1864 for (i = 0; i < dest->num_streams; i++)
1865 memcpy(&dest->stream[i], &src_v4->stream[i],
1866 sizeof(struct snd_soc_tplg_stream));
1867
1868 for (i = 0; i < 2; i++)
1869 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1870
1871 *pcm = dest;
1872 return 0;
1873}
1874
64527e8a 1875static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1876 struct snd_soc_tplg_hdr *hdr)
1877{
55726dc9 1878 struct snd_soc_tplg_pcm *pcm, *_pcm;
8a978234 1879 int count = hdr->count;
fd340455 1880 int i;
55726dc9 1881 bool abi_match;
8a978234
LG		 1882
1883 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1884 return 0;
1885
55726dc9
ML		 1886 /* check the element size and count */
1887 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1888 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1889 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1890 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1891 pcm->size);
1892 return -EINVAL;
1893 }
1894
8a978234 1895 if (soc_tplg_check_elem_count(tplg,
55726dc9 1896 pcm->size, count,
8a978234
LG		 1897 hdr->payload_size, "PCM DAI")) {
1898 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1899 count);
1900 return -EINVAL;
1901 }
1902
64527e8a 1903 for (i = 0; i < count; i++) {
55726dc9
ML		 1904 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1905
1906 /* check ABI version by size, create a new version of pcm
1907 * if abi not match.
1908 */
1909 if (pcm->size == sizeof(*pcm)) {
1910 abi_match = true;
1911 _pcm = pcm;
1912 } else {
1913 abi_match = false;
fd340455 1914 pcm_new_ver(tplg, pcm, &_pcm);
06eb49f7
ML		 1915 }
1916
55726dc9
ML		 1917 /* create the FE DAIs and DAI links */
1918 soc_tplg_pcm_create(tplg, _pcm);
1919
717a8e72
ML		 1920 /* offset by version-specific struct size and
1921 * real priv data size
1922 */
1923 tplg->pos += pcm->size + _pcm->priv.size;
1924
55726dc9
ML		 1925 if (!abi_match)
1926 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1927 }
1928
8a978234 1929 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1930
8a978234 1931 return 0;
8a978234
LG		 1932}
1933
593d9e52
ML		 1934/**
1935 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1936 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1937 * @cfg: physical link configs.
1938 *
1939 * Topology context contains a list of supported HW formats (configs) and
1940 * a default format ID for the physical link. This function will use this
1941 * default ID to choose the HW format to set the link's DAI format for init.
1942 */
1943static void set_link_hw_format(struct snd_soc_dai_link *link,
1944 struct snd_soc_tplg_link_config *cfg)
1945{
1946 struct snd_soc_tplg_hw_config *hw_config;
1947 unsigned char bclk_master, fsync_master;
1948 unsigned char invert_bclk, invert_fsync;
1949 int i;
1950
1951 for (i = 0; i < cfg->num_hw_configs; i++) {
1952 hw_config = &cfg->hw_config[i];
1953 if (hw_config->id != cfg->default_hw_config_id)
1954 continue;
1955
1956 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
1957
933e1c4a 1958 /* clock gating */
fbeabd09
KM		 1959 switch (hw_config->clock_gated) {
1960 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 1961 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 1962 break;
1963
1964 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 1965 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 1966 break;
1967
1968 default:
1969 /* ignore the value */
1970 break;
1971 }
933e1c4a 1972
593d9e52
ML		 1973 /* clock signal polarity */
1974 invert_bclk = hw_config->invert_bclk;
1975 invert_fsync = hw_config->invert_fsync;
1976 if (!invert_bclk && !invert_fsync)
1977 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1978 else if (!invert_bclk && invert_fsync)
1979 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
1980 else if (invert_bclk && !invert_fsync)
1981 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
1982 else
1983 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
1984
1985 /* clock masters */
a941e2fa
KM		 1986 bclk_master = (hw_config->bclk_master ==
1987 SND_SOC_TPLG_BCLK_CM);
1988 fsync_master = (hw_config->fsync_master ==
1989 SND_SOC_TPLG_FSYNC_CM);
1990 if (bclk_master && fsync_master)
593d9e52 1991 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
593d9e52 1992 else if (!bclk_master && fsync_master)
a941e2fa
KM		 1993 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
1994 else if (bclk_master && !fsync_master)
593d9e52
ML		 1995 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
1996 else
1997 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
1998 }
1999}
2000
2001/**
2002 * link_new_ver - Create a new physical link config from the old
2003 * version of source.
8abab35f 2004 * @tplg: topology context
593d9e52
ML		 2005 * @src: old version of phyical link config as a source
2006 * @link: latest version of physical link config created from the source
2007 *
2008 * Support from vesion 4. User need free the returned link config manually.
2009 */
2010static int link_new_ver(struct soc_tplg *tplg,
2011 struct snd_soc_tplg_link_config *src,
2012 struct snd_soc_tplg_link_config **link)
2013{
2014 struct snd_soc_tplg_link_config *dest;
2015 struct snd_soc_tplg_link_config_v4 *src_v4;
2016 int i;
2017
2018 *link = NULL;
2019
2020 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
2021 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2022 return -EINVAL;
2023 }
2024
2025 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2026
2027 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2028 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2029 if (!dest)
2030 return -ENOMEM;
2031
2032 dest->size = sizeof(*dest);
2033 dest->id = src_v4->id;
2034 dest->num_streams = src_v4->num_streams;
2035 for (i = 0; i < dest->num_streams; i++)
2036 memcpy(&dest->stream[i], &src_v4->stream[i],
2037 sizeof(struct snd_soc_tplg_stream));
2038
2039 *link = dest;
2040 return 0;
2041}
2042
2043/* Find and configure an existing physical DAI link */
2044static int soc_tplg_link_config(struct soc_tplg *tplg,
2045 struct snd_soc_tplg_link_config *cfg)
2046{
2047 struct snd_soc_dai_link *link;
2048 const char *name, *stream_name;
dbab1cb8 2049 size_t len;
593d9e52
ML		 2050 int ret;
2051
dbab1cb8
ML		 2052 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2053 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2054 return -EINVAL;
2055 else if (len)
2056 name = cfg->name;
2057 else
2058 name = NULL;
2059
2060 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2061 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2062 return -EINVAL;
2063 else if (len)
2064 stream_name = cfg->stream_name;
2065 else
2066 stream_name = NULL;
593d9e52
ML		 2067
2068 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2069 name, stream_name);
2070 if (!link) {
2071 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2072 name, cfg->id);
2073 return -EINVAL;
2074 }
2075
2076 /* hw format */
2077 if (cfg->num_hw_configs)
2078 set_link_hw_format(link, cfg);
2079
2080 /* flags */
2081 if (cfg->flag_mask)
2082 set_link_flags(link, cfg->flag_mask, cfg->flags);
2083
2084 /* pass control to component driver for optional further init */
c60b613a 2085 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2086 if (ret < 0) {
2087 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2088 return ret;
2089 }
2090
2091 return 0;
2092}
2093
2094
2095/* Load physical link config elements from the topology context */
2096static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2097 struct snd_soc_tplg_hdr *hdr)
2098{
2099 struct snd_soc_tplg_link_config *link, *_link;
2100 int count = hdr->count;
2101 int i, ret;
2102 bool abi_match;
2103
2104 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2105 tplg->pos += hdr->size + hdr->payload_size;
2106 return 0;
2107 };
2108
2109 /* check the element size and count */
2110 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2111 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2112 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2113 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2114 link->size);
2115 return -EINVAL;
2116 }
2117
2118 if (soc_tplg_check_elem_count(tplg,
2119 link->size, count,
2120 hdr->payload_size, "physical link config")) {
2121 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2122 count);
2123 return -EINVAL;
2124 }
2125
2126 /* config physical DAI links */
2127 for (i = 0; i < count; i++) {
2128 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2129 if (link->size == sizeof(*link)) {
2130 abi_match = true;
2131 _link = link;
2132 } else {
2133 abi_match = false;
2134 ret = link_new_ver(tplg, link, &_link);
2135 if (ret < 0)
2136 return ret;
2137 }
2138
2139 ret = soc_tplg_link_config(tplg, _link);
2140 if (ret < 0)
2141 return ret;
2142
2143 /* offset by version-specific struct size and
2144 * real priv data size
2145 */
2146 tplg->pos += link->size + _link->priv.size;
2147
2148 if (!abi_match)
2149 kfree(_link); /* free the duplicated one */
2150 }
2151
2152 return 0;
2153}
2154
9aa3f034
ML		 2155/**
2156 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2157 * @tplg: topology context
9aa3f034 2158 * @d: physical DAI configs.
0038be9a 2159 *
9aa3f034
ML		 2160 * The physical dai should already be registered by the platform driver.
2161 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2162 */
9aa3f034
ML		 2163static int soc_tplg_dai_config(struct soc_tplg *tplg,
2164 struct snd_soc_tplg_dai *d)
0038be9a
ML		 2165{
2166 struct snd_soc_dai_link_component dai_component = {0};
2167 struct snd_soc_dai *dai;
2168 struct snd_soc_dai_driver *dai_drv;
2169 struct snd_soc_pcm_stream *stream;
2170 struct snd_soc_tplg_stream_caps *caps;
2171 int ret;
2172
9aa3f034 2173 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2174 dai = snd_soc_find_dai(&dai_component);
2175 if (!dai) {
9aa3f034
ML		 2176 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2177 d->dai_name);
0038be9a
ML		 2178 return -EINVAL;
2179 }
2180
9aa3f034
ML		 2181 if (d->dai_id != dai->id) {
2182 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2183 d->dai_name);
0038be9a
ML		 2184 return -EINVAL;
2185 }
2186
2187 dai_drv = dai->driver;
2188 if (!dai_drv)
2189 return -EINVAL;
2190
9aa3f034 2191 if (d->playback) {
0038be9a 2192 stream = &dai_drv->playback;
9aa3f034 2193 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
0038be9a
ML		 2194 set_stream_info(stream, caps);
2195 }
2196
9aa3f034 2197 if (d->capture) {
0038be9a 2198 stream = &dai_drv->capture;
9aa3f034 2199 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
0038be9a
ML		 2200 set_stream_info(stream, caps);
2201 }
2202
9aa3f034
ML		 2203 if (d->flag_mask)
2204 set_dai_flags(dai_drv, d->flag_mask, d->flags);
0038be9a
ML		 2205
2206 /* pass control to component driver for optional further init */
c60b613a 2207 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a
ML		 2208 if (ret < 0) {
2209 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2210 return ret;
2211 }
2212
2213 return 0;
2214}
2215
9aa3f034
ML		 2216/* load physical DAI elements */
2217static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2218 struct snd_soc_tplg_hdr *hdr)
0038be9a 2219{
9aa3f034 2220 struct snd_soc_tplg_dai *dai;
0038be9a
ML		 2221 int count = hdr->count;
2222 int i;
2223
2224 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2225 return 0;
2226
2227 /* config the existing BE DAIs */
2228 for (i = 0; i < count; i++) {
9aa3f034
ML		 2229 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2230 if (dai->size != sizeof(*dai)) {
2231 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2232 return -EINVAL;
2233 }
2234
9aa3f034
ML		 2235 soc_tplg_dai_config(tplg, dai);
2236 tplg->pos += (sizeof(*dai) + dai->priv.size);
0038be9a
ML		 2237 }
2238
2239 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2240 return 0;
2241}
2242
583958fa
ML		 2243/**
2244 * manifest_new_ver - Create a new version of manifest from the old version
2245 * of source.
8abab35f 2246 * @tplg: topology context
583958fa
ML		 2247 * @src: old version of manifest as a source
2248 * @manifest: latest version of manifest created from the source
2249 *
2250 * Support from vesion 4. Users need free the returned manifest manually.
2251 */
2252static int manifest_new_ver(struct soc_tplg *tplg,
2253 struct snd_soc_tplg_manifest *src,
2254 struct snd_soc_tplg_manifest **manifest)
2255{
2256 struct snd_soc_tplg_manifest *dest;
2257 struct snd_soc_tplg_manifest_v4 *src_v4;
2258
2259 *manifest = NULL;
2260
2261 if (src->size != sizeof(*src_v4)) {
ac9391da
GR		 2262 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
2263 src->size);
2264 if (src->size)
2265 return -EINVAL;
2266 src->size = sizeof(*src_v4);
583958fa
ML		 2267 }
2268
2269 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2270
2271 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2272 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2273 if (!dest)
2274 return -ENOMEM;
2275
2276 dest->size = sizeof(*dest); /* size of latest abi version */
2277 dest->control_elems = src_v4->control_elems;
2278 dest->widget_elems = src_v4->widget_elems;
2279 dest->graph_elems = src_v4->graph_elems;
2280 dest->pcm_elems = src_v4->pcm_elems;
2281 dest->dai_link_elems = src_v4->dai_link_elems;
2282 dest->priv.size = src_v4->priv.size;
2283 if (dest->priv.size)
2284 memcpy(dest->priv.data, src_v4->priv.data,
2285 src_v4->priv.size);
2286
2287 *manifest = dest;
2288 return 0;
2289}
0038be9a 2290
8a978234 2291static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2292 struct snd_soc_tplg_hdr *hdr)
8a978234 2293{
583958fa
ML		 2294 struct snd_soc_tplg_manifest *manifest, *_manifest;
2295 bool abi_match;
2296 int err;
8a978234
LG		 2297
2298 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2299 return 0;
2300
2301 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2302
583958fa
ML		 2303 /* check ABI version by size, create a new manifest if abi not match */
2304 if (manifest->size == sizeof(*manifest)) {
2305 abi_match = true;
2306 _manifest = manifest;
2307 } else {
2308 abi_match = false;
2309 err = manifest_new_ver(tplg, manifest, &_manifest);
2310 if (err < 0)
2311 return err;
2312 }
8a978234 2313
583958fa 2314 /* pass control to component driver for optional further init */
8a978234 2315 if (tplg->comp && tplg->ops && tplg->ops->manifest)
c60b613a 2316 return tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2317
2318 if (!abi_match) /* free the duplicated one */
2319 kfree(_manifest);
8a978234 2320
8a978234
LG		 2321 return 0;
2322}
2323
2324/* validate header magic, size and type */
2325static int soc_valid_header(struct soc_tplg *tplg,
2326 struct snd_soc_tplg_hdr *hdr)
2327{
2328 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2329 return 0;
2330
06eb49f7
ML		 2331 if (hdr->size != sizeof(*hdr)) {
2332 dev_err(tplg->dev,
2333 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2334 hdr->type, soc_tplg_get_hdr_offset(tplg),
2335 tplg->fw->size);
2336 return -EINVAL;
2337 }
2338
8a978234
LG		 2339 /* big endian firmware objects not supported atm */
2340 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2341 dev_err(tplg->dev,
2342 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2343 tplg->pass, hdr->magic,
2344 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2345 return -EINVAL;
2346 }
2347
2348 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2349 dev_err(tplg->dev,
2350 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2351 tplg->pass, hdr->magic,
2352 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2353 return -EINVAL;
2354 }
2355
288b8da7
ML		 2356 /* Support ABI from version 4 */
2357 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2358 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2359 dev_err(tplg->dev,
2360 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2361 tplg->pass, hdr->abi,
2362 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2363 tplg->fw->size);
2364 return -EINVAL;
2365 }
2366
2367 if (hdr->payload_size == 0) {
2368 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2369 soc_tplg_get_hdr_offset(tplg));
2370 return -EINVAL;
2371 }
2372
2373 if (tplg->pass == hdr->type)
2374 dev_dbg(tplg->dev,
2375 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2376 hdr->payload_size, hdr->type, hdr->version,
2377 hdr->vendor_type, tplg->pass);
2378
2379 return 1;
2380}
2381
2382/* check header type and call appropriate handler */
2383static int soc_tplg_load_header(struct soc_tplg *tplg,
2384 struct snd_soc_tplg_hdr *hdr)
2385{
2386 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2387
2388 /* check for matching ID */
2389 if (hdr->index != tplg->req_index &&
bb97142b 2390 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2391 return 0;
2392
2393 tplg->index = hdr->index;
2394
2395 switch (hdr->type) {
2396 case SND_SOC_TPLG_TYPE_MIXER:
2397 case SND_SOC_TPLG_TYPE_ENUM:
2398 case SND_SOC_TPLG_TYPE_BYTES:
2399 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2400 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2401 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2402 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2403 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2404 case SND_SOC_TPLG_TYPE_PCM:
64527e8a 2405 return soc_tplg_pcm_elems_load(tplg, hdr);
3fbf7935 2406 case SND_SOC_TPLG_TYPE_DAI:
9aa3f034 2407 return soc_tplg_dai_elems_load(tplg, hdr);
593d9e52
ML		 2408 case SND_SOC_TPLG_TYPE_DAI_LINK:
2409 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2410 /* physical link configurations */
2411 return soc_tplg_link_elems_load(tplg, hdr);
8a978234
LG		 2412 case SND_SOC_TPLG_TYPE_MANIFEST:
2413 return soc_tplg_manifest_load(tplg, hdr);
2414 default:
2415 /* bespoke vendor data object */
2416 return soc_tplg_vendor_load(tplg, hdr);
2417 }
2418
2419 return 0;
2420}
2421
2422/* process the topology file headers */
2423static int soc_tplg_process_headers(struct soc_tplg *tplg)
2424{
2425 struct snd_soc_tplg_hdr *hdr;
2426 int ret;
2427
2428 tplg->pass = SOC_TPLG_PASS_START;
2429
2430 /* process the header types from start to end */
2431 while (tplg->pass <= SOC_TPLG_PASS_END) {
2432
2433 tplg->hdr_pos = tplg->fw->data;
2434 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2435
2436 while (!soc_tplg_is_eof(tplg)) {
2437
2438 /* make sure header is valid before loading */
2439 ret = soc_valid_header(tplg, hdr);
2440 if (ret < 0)
2441 return ret;
2442 else if (ret == 0)
2443 break;
2444
2445 /* load the header object */
2446 ret = soc_tplg_load_header(tplg, hdr);
2447 if (ret < 0)
2448 return ret;
2449
2450 /* goto next header */
2451 tplg->hdr_pos += hdr->payload_size +
2452 sizeof(struct snd_soc_tplg_hdr);
2453 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2454 }
2455
2456 /* next data type pass */
2457 tplg->pass++;
2458 }
2459
2460 /* signal DAPM we are complete */
2461 ret = soc_tplg_dapm_complete(tplg);
2462 if (ret < 0)
2463 dev_err(tplg->dev,
2464 "ASoC: failed to initialise DAPM from Firmware\n");
2465
2466 return ret;
2467}
2468
2469static int soc_tplg_load(struct soc_tplg *tplg)
2470{
2471 int ret;
2472
2473 ret = soc_tplg_process_headers(tplg);
2474 if (ret == 0)
2475 soc_tplg_complete(tplg);
2476
2477 return ret;
2478}
2479
2480/* load audio component topology from "firmware" file */
2481int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2482 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2483{
2484 struct soc_tplg tplg;
2485
2486 /* setup parsing context */
2487 memset(&tplg, 0, sizeof(tplg));
2488 tplg.fw = fw;
2489 tplg.dev = comp->dev;
2490 tplg.comp = comp;
2491 tplg.ops = ops;
2492 tplg.req_index = id;
2493 tplg.io_ops = ops->io_ops;
2494 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2495 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2496 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234
LG		 2497
2498 return soc_tplg_load(&tplg);
2499}
2500EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2501
2502/* remove this dynamic widget */
2503void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2504{
2505 /* make sure we are a widget */
2506 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2507 return;
2508
2509 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2510}
2511EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2512
2513/* remove all dynamic widgets from this DAPM context */
2514void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2515 u32 index)
2516{
2517 struct snd_soc_dapm_widget *w, *next_w;
8a978234
LG		 2518
2519 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2520
2521 /* make sure we are a widget with correct context */
2522 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2523 continue;
2524
2525 /* match ID */
2526 if (w->dobj.index != index &&
2527 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2528 continue;
8a978234
LG		 2529 /* check and free and dynamic widget kcontrols */
2530 snd_soc_tplg_widget_remove(w);
b97e2698 2531 snd_soc_dapm_free_widget(w);
8a978234 2532 }
fd589a1b 2533 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2534}
2535EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2536
2537/* remove dynamic controls from the component driver */
2538int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2539{
2540 struct snd_soc_dobj *dobj, *next_dobj;
2541 int pass = SOC_TPLG_PASS_END;
2542
2543 /* process the header types from end to start */
2544 while (pass >= SOC_TPLG_PASS_START) {
2545
2546 /* remove mixer controls */
2547 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2548 list) {
2549
2550 /* match index */
2551 if (dobj->index != index &&
feb12f0c 2552 index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2553 continue;
2554
2555 switch (dobj->type) {
2556 case SND_SOC_DOBJ_MIXER:
2557 remove_mixer(comp, dobj, pass);
2558 break;
2559 case SND_SOC_DOBJ_ENUM:
2560 remove_enum(comp, dobj, pass);
2561 break;
2562 case SND_SOC_DOBJ_BYTES:
2563 remove_bytes(comp, dobj, pass);
2564 break;
2565 case SND_SOC_DOBJ_WIDGET:
2566 remove_widget(comp, dobj, pass);
2567 break;
2568 case SND_SOC_DOBJ_PCM:
64527e8a 2569 remove_dai(comp, dobj, pass);
8a978234 2570 break;
acfc7d46
ML		 2571 case SND_SOC_DOBJ_DAI_LINK:
2572 remove_link(comp, dobj, pass);
2573 break;
8a978234
LG		 2574 default:
2575 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2576 dobj->type);
2577 break;
2578 }
2579 }
2580 pass--;
2581 }
2582
2583 /* let caller know if FW can be freed when no objects are left */
2584 return !list_empty(&comp->dobj_list);
2585}
2586EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)