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Merge tag 'riscv-for-linus-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel...
[thirdparty/linux.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 32
2114171d
PLB		 33#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
34
8a978234
LG		 35/*
36 * We make several passes over the data (since it wont necessarily be ordered)
37 * and process objects in the following order. This guarantees the component
38 * drivers will be ready with any vendor data before the mixers and DAPM objects
39 * are loaded (that may make use of the vendor data).
40 */
41#define SOC_TPLG_PASS_MANIFEST 0
42#define SOC_TPLG_PASS_VENDOR 1
43#define SOC_TPLG_PASS_MIXER 2
44#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 45#define SOC_TPLG_PASS_PCM_DAI 4
46#define SOC_TPLG_PASS_GRAPH 5
47#define SOC_TPLG_PASS_PINS 6
0038be9a 48#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 49#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 50
51#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 52#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 53
583958fa 54/* topology context */
8a978234
LG		 55struct soc_tplg {
56 const struct firmware *fw;
57
58 /* runtime FW parsing */
59 const u8 *pos; /* read postion */
60 const u8 *hdr_pos; /* header position */
61 unsigned int pass; /* pass number */
62
63 /* component caller */
64 struct device *dev;
65 struct snd_soc_component *comp;
66 u32 index; /* current block index */
67 u32 req_index; /* required index, only loaded/free matching blocks */
68
88a17d8f 69 /* vendor specific kcontrol operations */
8a978234
LG		 70 const struct snd_soc_tplg_kcontrol_ops *io_ops;
71 int io_ops_count;
72
1a3232d2
ML		 73 /* vendor specific bytes ext handlers, for TLV bytes controls */
74 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
75 int bytes_ext_ops_count;
76
8a978234
LG		 77 /* optional fw loading callbacks to component drivers */
78 struct snd_soc_tplg_ops *ops;
79};
80
81static int soc_tplg_process_headers(struct soc_tplg *tplg);
82static void soc_tplg_complete(struct soc_tplg *tplg);
3cde818c
AS		 83static void soc_tplg_denum_remove_texts(struct soc_enum *se);
84static void soc_tplg_denum_remove_values(struct soc_enum *se);
8a978234
LG		 85
86/* check we dont overflow the data for this control chunk */
87static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
88 unsigned int count, size_t bytes, const char *elem_type)
89{
90 const u8 *end = tplg->pos + elem_size * count;
91
92 if (end > tplg->fw->data + tplg->fw->size) {
93 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
94 elem_type);
95 return -EINVAL;
96 }
97
98 /* check there is enough room in chunk for control.
99 extra bytes at the end of control are for vendor data here */
100 if (elem_size * count > bytes) {
101 dev_err(tplg->dev,
102 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
103 elem_type, count, elem_size, bytes);
104 return -EINVAL;
105 }
106
107 return 0;
108}
109
110static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
111{
112 const u8 *end = tplg->hdr_pos;
113
114 if (end >= tplg->fw->data + tplg->fw->size)
115 return 1;
116 return 0;
117}
118
119static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
120{
121 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
122}
123
124static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
125{
126 return (unsigned long)(tplg->pos - tplg->fw->data);
127}
128
129/* mapping of Kcontrol types and associated operations. */
130static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
131 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
132 snd_soc_put_volsw, snd_soc_info_volsw},
133 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
134 snd_soc_put_volsw_sx, NULL},
135 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
136 snd_soc_put_enum_double, snd_soc_info_enum_double},
137 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, NULL},
139 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
140 snd_soc_bytes_put, snd_soc_bytes_info},
141 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
142 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
143 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
144 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
145 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
146 snd_soc_put_strobe, NULL},
147 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 148 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 149 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
150 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
151 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, NULL},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
156 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
157};
158
159struct soc_tplg_map {
160 int uid;
161 int kid;
162};
163
164/* mapping of widget types from UAPI IDs to kernel IDs */
165static const struct soc_tplg_map dapm_map[] = {
166 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
167 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
168 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
169 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
170 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
171 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
172 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
173 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
174 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
175 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
176 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
177 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
178 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
179 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
180 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
181 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 182 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
183 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
184 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
185 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
186 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
187 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
188 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
189 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 190};
191
192static int tplc_chan_get_reg(struct soc_tplg *tplg,
193 struct snd_soc_tplg_channel *chan, int map)
194{
195 int i;
196
197 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 198 if (le32_to_cpu(chan[i].id) == map)
199 return le32_to_cpu(chan[i].reg);
8a978234
LG		 200 }
201
202 return -EINVAL;
203}
204
205static int tplc_chan_get_shift(struct soc_tplg *tplg,
206 struct snd_soc_tplg_channel *chan, int map)
207{
208 int i;
209
210 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 211 if (le32_to_cpu(chan[i].id) == map)
212 return le32_to_cpu(chan[i].shift);
8a978234
LG		 213 }
214
215 return -EINVAL;
216}
217
218static int get_widget_id(int tplg_type)
219{
220 int i;
221
222 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
223 if (tplg_type == dapm_map[i].uid)
224 return dapm_map[i].kid;
225 }
226
227 return -EINVAL;
228}
229
8a978234
LG		 230static inline void soc_bind_err(struct soc_tplg *tplg,
231 struct snd_soc_tplg_ctl_hdr *hdr, int index)
232{
233 dev_err(tplg->dev,
234 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
235 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
236 soc_tplg_get_offset(tplg));
237}
238
239static inline void soc_control_err(struct soc_tplg *tplg,
240 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
241{
242 dev_err(tplg->dev,
243 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
244 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
245 soc_tplg_get_offset(tplg));
246}
247
248/* pass vendor data to component driver for processing */
249static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
250 struct snd_soc_tplg_hdr *hdr)
251{
252 int ret = 0;
253
c42464a4 254 if (tplg->ops && tplg->ops->vendor_load)
c60b613a 255 ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr);
8a978234
LG		 256 else {
257 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
258 hdr->vendor_type);
259 return -EINVAL;
260 }
261
262 if (ret < 0)
263 dev_err(tplg->dev,
264 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
265 soc_tplg_get_hdr_offset(tplg),
266 soc_tplg_get_hdr_offset(tplg),
267 hdr->type, hdr->vendor_type);
268 return ret;
269}
270
271/* pass vendor data to component driver for processing */
272static int soc_tplg_vendor_load(struct soc_tplg *tplg,
273 struct snd_soc_tplg_hdr *hdr)
274{
275 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
276 return 0;
277
278 return soc_tplg_vendor_load_(tplg, hdr);
279}
280
281/* optionally pass new dynamic widget to component driver. This is mainly for
282 * external widgets where we can assign private data/ops */
283static int soc_tplg_widget_load(struct soc_tplg *tplg,
284 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
285{
c42464a4 286 if (tplg->ops && tplg->ops->widget_load)
c60b613a
LG		 287 return tplg->ops->widget_load(tplg->comp, tplg->index, w,
288 tplg_w);
8a978234
LG		 289
290 return 0;
291}
292
ebd259d3
LG		 293/* optionally pass new dynamic widget to component driver. This is mainly for
294 * external widgets where we can assign private data/ops */
295static int soc_tplg_widget_ready(struct soc_tplg *tplg,
296 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
297{
c42464a4 298 if (tplg->ops && tplg->ops->widget_ready)
c60b613a
LG		 299 return tplg->ops->widget_ready(tplg->comp, tplg->index, w,
300 tplg_w);
ebd259d3
LG		 301
302 return 0;
303}
304
183b8021 305/* pass DAI configurations to component driver for extra initialization */
64527e8a 306static int soc_tplg_dai_load(struct soc_tplg *tplg,
c60b613a
LG		 307 struct snd_soc_dai_driver *dai_drv,
308 struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
8a978234 309{
c42464a4 310 if (tplg->ops && tplg->ops->dai_load)
c60b613a
LG		 311 return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv,
312 pcm, dai);
8a978234
LG		 313
314 return 0;
315}
316
183b8021 317/* pass link configurations to component driver for extra initialization */
acfc7d46 318static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
c60b613a 319 struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg)
acfc7d46 320{
c42464a4 321 if (tplg->ops && tplg->ops->link_load)
c60b613a 322 return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg);
acfc7d46
ML		 323
324 return 0;
325}
326
8a978234
LG		 327/* tell the component driver that all firmware has been loaded in this request */
328static void soc_tplg_complete(struct soc_tplg *tplg)
329{
c42464a4 330 if (tplg->ops && tplg->ops->complete)
8a978234
LG		 331 tplg->ops->complete(tplg->comp);
332}
333
334/* add a dynamic kcontrol */
335static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
336 const struct snd_kcontrol_new *control_new, const char *prefix,
337 void *data, struct snd_kcontrol **kcontrol)
338{
339 int err;
340
341 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
342 if (*kcontrol == NULL) {
343 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
344 control_new->name);
345 return -ENOMEM;
346 }
347
348 err = snd_ctl_add(card, *kcontrol);
349 if (err < 0) {
350 dev_err(dev, "ASoC: Failed to add %s: %d\n",
351 control_new->name, err);
352 return err;
353 }
354
355 return 0;
356}
357
358/* add a dynamic kcontrol for component driver */
359static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
360 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
361{
362 struct snd_soc_component *comp = tplg->comp;
363
364 return soc_tplg_add_dcontrol(comp->card->snd_card,
abca9e4a 365 comp->dev, k, comp->name_prefix, comp, kcontrol);
8a978234
LG		 366}
367
368/* remove a mixer kcontrol */
369static void remove_mixer(struct snd_soc_component *comp,
370 struct snd_soc_dobj *dobj, int pass)
371{
372 struct snd_card *card = comp->card->snd_card;
373 struct soc_mixer_control *sm =
374 container_of(dobj, struct soc_mixer_control, dobj);
375 const unsigned int *p = NULL;
376
377 if (pass != SOC_TPLG_PASS_MIXER)
378 return;
379
380 if (dobj->ops && dobj->ops->control_unload)
381 dobj->ops->control_unload(comp, dobj);
382
33ae6ae2
AS		 383 if (dobj->control.kcontrol->tlv.p)
384 p = dobj->control.kcontrol->tlv.p;
385 snd_ctl_remove(card, dobj->control.kcontrol);
386 list_del(&dobj->list);
8a978234
LG		 387 kfree(sm);
388 kfree(p);
389}
390
391/* remove an enum kcontrol */
392static void remove_enum(struct snd_soc_component *comp,
393 struct snd_soc_dobj *dobj, int pass)
394{
395 struct snd_card *card = comp->card->snd_card;
396 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
8a978234
LG		 397
398 if (pass != SOC_TPLG_PASS_MIXER)
399 return;
400
401 if (dobj->ops && dobj->ops->control_unload)
402 dobj->ops->control_unload(comp, dobj);
403
33ae6ae2
AS		 404 snd_ctl_remove(card, dobj->control.kcontrol);
405 list_del(&dobj->list);
8a978234 406
3cde818c
AS		 407 soc_tplg_denum_remove_values(se);
408 soc_tplg_denum_remove_texts(se);
8a978234
LG		 409 kfree(se);
410}
411
412/* remove a byte kcontrol */
413static void remove_bytes(struct snd_soc_component *comp,
414 struct snd_soc_dobj *dobj, int pass)
415{
416 struct snd_card *card = comp->card->snd_card;
417 struct soc_bytes_ext *sb =
418 container_of(dobj, struct soc_bytes_ext, dobj);
419
420 if (pass != SOC_TPLG_PASS_MIXER)
421 return;
422
423 if (dobj->ops && dobj->ops->control_unload)
424 dobj->ops->control_unload(comp, dobj);
425
33ae6ae2
AS		 426 snd_ctl_remove(card, dobj->control.kcontrol);
427 list_del(&dobj->list);
8a978234
LG		 428 kfree(sb);
429}
430
7df04ea7
RS		 431/* remove a route */
432static void remove_route(struct snd_soc_component *comp,
433 struct snd_soc_dobj *dobj, int pass)
434{
435 struct snd_soc_dapm_route *route =
436 container_of(dobj, struct snd_soc_dapm_route, dobj);
437
438 if (pass != SOC_TPLG_PASS_GRAPH)
439 return;
440
441 if (dobj->ops && dobj->ops->dapm_route_unload)
442 dobj->ops->dapm_route_unload(comp, dobj);
443
444 list_del(&dobj->list);
445 kfree(route);
446}
447
8a978234
LG		 448/* remove a widget and it's kcontrols - routes must be removed first */
449static void remove_widget(struct snd_soc_component *comp,
450 struct snd_soc_dobj *dobj, int pass)
451{
452 struct snd_card *card = comp->card->snd_card;
453 struct snd_soc_dapm_widget *w =
454 container_of(dobj, struct snd_soc_dapm_widget, dobj);
455 int i;
456
457 if (pass != SOC_TPLG_PASS_WIDGET)
458 return;
459
460 if (dobj->ops && dobj->ops->widget_unload)
461 dobj->ops->widget_unload(comp, dobj);
462
05bdcf12
LG		 463 if (!w->kcontrols)
464 goto free_news;
465
8a978234 466 /*
1a7dd6e2 467 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
8a978234
LG		 468 * The enum may either have an array of values or strings.
469 */
eea3dd4f 470 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
8a978234 471 /* enumerated widget mixer */
f53c4c20 472 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
1a7dd6e2
ML		 473 struct snd_kcontrol *kcontrol = w->kcontrols[i];
474 struct soc_enum *se =
475 (struct soc_enum *)kcontrol->private_value;
8a978234 476
1a7dd6e2 477 snd_ctl_remove(card, kcontrol);
8a978234 478
54f8844e 479 /* free enum kcontrol's dvalues and dtexts */
3cde818c
AS		 480 soc_tplg_denum_remove_values(se);
481 soc_tplg_denum_remove_texts(se);
8a978234 482
1a7dd6e2 483 kfree(se);
267e2c6f 484 kfree(w->kcontrol_news[i].name);
1a7dd6e2 485 }
8a978234 486 } else {
eea3dd4f 487 /* volume mixer or bytes controls */
f53c4c20 488 for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
8a978234 489 struct snd_kcontrol *kcontrol = w->kcontrols[i];
8a978234 490
eea3dd4f
ML		 491 if (dobj->widget.kcontrol_type
492 == SND_SOC_TPLG_TYPE_MIXER)
493 kfree(kcontrol->tlv.p);
8a978234 494
eea3dd4f
ML		 495 /* Private value is used as struct soc_mixer_control
496 * for volume mixers or soc_bytes_ext for bytes
497 * controls.
498 */
499 kfree((void *)kcontrol->private_value);
c2b36129 500 snd_ctl_remove(card, kcontrol);
267e2c6f 501 kfree(w->kcontrol_news[i].name);
8a978234 502 }
8a978234 503 }
05bdcf12
LG		 504
505free_news:
506 kfree(w->kcontrol_news);
507
a46e8393
AS		 508 list_del(&dobj->list);
509
8a978234
LG		 510 /* widget w is freed by soc-dapm.c */
511}
512
64527e8a
ML		 513/* remove DAI configurations */
514static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 515 struct snd_soc_dobj *dobj, int pass)
516{
64527e8a
ML		 517 struct snd_soc_dai_driver *dai_drv =
518 container_of(dobj, struct snd_soc_dai_driver, dobj);
52abe6cc 519 struct snd_soc_dai *dai;
64527e8a 520
8a978234
LG		 521 if (pass != SOC_TPLG_PASS_PCM_DAI)
522 return;
523
64527e8a
ML		 524 if (dobj->ops && dobj->ops->dai_unload)
525 dobj->ops->dai_unload(comp, dobj);
8a978234 526
43ca5dab 527 for_each_component_dais(comp, dai)
52abe6cc
GL		 528 if (dai->driver == dai_drv)
529 dai->driver = NULL;
530
7b6f68a4
B		 531 kfree(dai_drv->playback.stream_name);
532 kfree(dai_drv->capture.stream_name);
8f27c4ab 533 kfree(dai_drv->name);
8a978234 534 list_del(&dobj->list);
64527e8a 535 kfree(dai_drv);
8a978234
LG		 536}
537
acfc7d46
ML		 538/* remove link configurations */
539static void remove_link(struct snd_soc_component *comp,
540 struct snd_soc_dobj *dobj, int pass)
541{
542 struct snd_soc_dai_link *link =
543 container_of(dobj, struct snd_soc_dai_link, dobj);
544
545 if (pass != SOC_TPLG_PASS_PCM_DAI)
546 return;
547
548 if (dobj->ops && dobj->ops->link_unload)
549 dobj->ops->link_unload(comp, dobj);
550
dd836ddf 551 list_del(&dobj->list);
50cd9b53
KM		 552 snd_soc_remove_pcm_runtime(comp->card,
553 snd_soc_get_pcm_runtime(comp->card, link));
dd836ddf 554
8f27c4ab
ML		 555 kfree(link->name);
556 kfree(link->stream_name);
23b946ce 557 kfree(link->cpus->dai_name);
acfc7d46
ML		 558 kfree(link);
559}
560
adfebb51
B		 561/* unload dai link */
562static void remove_backend_link(struct snd_soc_component *comp,
563 struct snd_soc_dobj *dobj, int pass)
564{
565 if (pass != SOC_TPLG_PASS_LINK)
566 return;
567
568 if (dobj->ops && dobj->ops->link_unload)
569 dobj->ops->link_unload(comp, dobj);
570
571 /*
572 * We don't free the link here as what remove_link() do since BE
573 * links are not allocated by topology.
574 * We however need to reset the dobj type to its initial values
575 */
576 dobj->type = SND_SOC_DOBJ_NONE;
577 list_del(&dobj->list);
578}
579
8a978234
LG		 580/* bind a kcontrol to it's IO handlers */
581static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
582 struct snd_kcontrol_new *k,
2b5cdb91 583 const struct soc_tplg *tplg)
8a978234 584{
2b5cdb91 585 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 586 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 587 int num_ops, i;
8a978234 588
5aebe7c7 589 if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES
1a3232d2
ML		 590 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
591 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
592 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
593 struct soc_bytes_ext *sbe;
594 struct snd_soc_tplg_bytes_control *be;
595
596 sbe = (struct soc_bytes_ext *)k->private_value;
597 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
598
599 /* TLV bytes controls need standard kcontrol info handler,
600 * TLV callback and extended put/get handlers.
601 */
f4be978b 602 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 603 k->tlv.c = snd_soc_bytes_tlv_callback;
604
605 ext_ops = tplg->bytes_ext_ops;
606 num_ops = tplg->bytes_ext_ops_count;
607 for (i = 0; i < num_ops; i++) {
72bbeda0
PLB		 608 if (!sbe->put &&
609 ext_ops[i].id == le32_to_cpu(be->ext_ops.put))
1a3232d2 610 sbe->put = ext_ops[i].put;
72bbeda0
PLB		 611 if (!sbe->get &&
612 ext_ops[i].id == le32_to_cpu(be->ext_ops.get))
1a3232d2
ML		 613 sbe->get = ext_ops[i].get;
614 }
615
616 if (sbe->put && sbe->get)
617 return 0;
618 else
619 return -EINVAL;
620 }
8a978234 621
88a17d8f 622 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 623 ops = tplg->io_ops;
624 num_ops = tplg->io_ops_count;
8a978234
LG		 625 for (i = 0; i < num_ops; i++) {
626
72bbeda0 627 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
8a978234 628 k->put = ops[i].put;
72bbeda0 629 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
8a978234 630 k->get = ops[i].get;
72bbeda0 631 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
8a978234
LG		 632 k->info = ops[i].info;
633 }
634
88a17d8f 635 /* vendor specific handlers found ? */
8a978234
LG		 636 if (k->put && k->get && k->info)
637 return 0;
638
88a17d8f 639 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 640 ops = io_ops;
641 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 642 for (i = 0; i < num_ops; i++) {
8a978234 643
72bbeda0 644 if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put))
88a17d8f 645 k->put = ops[i].put;
72bbeda0 646 if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get))
88a17d8f 647 k->get = ops[i].get;
72bbeda0 648 if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info))
88a17d8f 649 k->info = ops[i].info;
8a978234
LG		 650 }
651
88a17d8f 652 /* standard handlers found ? */
8a978234
LG		 653 if (k->put && k->get && k->info)
654 return 0;
655
656 /* nothing to bind */
657 return -EINVAL;
658}
659
660/* bind a widgets to it's evnt handlers */
661int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
662 const struct snd_soc_tplg_widget_events *events,
663 int num_events, u16 event_type)
664{
665 int i;
666
667 w->event = NULL;
668
669 for (i = 0; i < num_events; i++) {
670 if (event_type == events[i].type) {
671
672 /* found - so assign event */
673 w->event = events[i].event_handler;
674 return 0;
675 }
676 }
677
678 /* not found */
679 return -EINVAL;
680}
681EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
682
683/* optionally pass new dynamic kcontrol to component driver. */
684static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
685 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
686{
c42464a4 687 if (tplg->ops && tplg->ops->control_load)
c60b613a
LG		 688 return tplg->ops->control_load(tplg->comp, tplg->index, k,
689 hdr);
8a978234
LG		 690
691 return 0;
692}
693
8a978234 694
28a87eeb
ML		 695static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
696 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
697{
698 unsigned int item_len = 2 * sizeof(unsigned int);
699 unsigned int *p;
8a978234 700
28a87eeb
ML		 701 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
702 if (!p)
8a978234
LG		 703 return -ENOMEM;
704
28a87eeb
ML		 705 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
706 p[1] = item_len;
5aebe7c7
PLB		 707 p[2] = le32_to_cpu(scale->min);
708 p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK)
709 | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0);
28a87eeb
ML		 710
711 kc->tlv.p = (void *)p;
712 return 0;
713}
714
715static int soc_tplg_create_tlv(struct soc_tplg *tplg,
716 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
717{
718 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
5aebe7c7 719 u32 access = le32_to_cpu(tc->access);
28a87eeb 720
5aebe7c7 721 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
28a87eeb 722 return 0;
8a978234 723
5aebe7c7 724 if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb 725 tplg_tlv = &tc->tlv;
5aebe7c7 726 switch (le32_to_cpu(tplg_tlv->type)) {
28a87eeb
ML		 727 case SNDRV_CTL_TLVT_DB_SCALE:
728 return soc_tplg_create_tlv_db_scale(tplg, kc,
729 &tplg_tlv->scale);
730
731 /* TODO: add support for other TLV types */
732 default:
733 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
734 tplg_tlv->type);
735 return -EINVAL;
736 }
737 }
8a978234
LG		 738
739 return 0;
740}
741
742static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
743 struct snd_kcontrol_new *kc)
744{
745 kfree(kc->tlv.p);
746}
747
748static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
749 size_t size)
750{
751 struct snd_soc_tplg_bytes_control *be;
752 struct soc_bytes_ext *sbe;
753 struct snd_kcontrol_new kc;
754 int i, err;
755
756 if (soc_tplg_check_elem_count(tplg,
757 sizeof(struct snd_soc_tplg_bytes_control), count,
758 size, "mixer bytes")) {
759 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
760 count);
761 return -EINVAL;
762 }
763
764 for (i = 0; i < count; i++) {
765 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
766
767 /* validate kcontrol */
768 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
769 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
770 return -EINVAL;
771
772 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
773 if (sbe == NULL)
774 return -ENOMEM;
775
776 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 777 le32_to_cpu(be->priv.size));
8a978234
LG		 778
779 dev_dbg(tplg->dev,
780 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
781 be->hdr.name, be->hdr.access);
782
783 memset(&kc, 0, sizeof(kc));
784 kc.name = be->hdr.name;
785 kc.private_value = (long)sbe;
786 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 787 kc.access = le32_to_cpu(be->hdr.access);
8a978234 788
5aebe7c7 789 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 790 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
791 sbe->dobj.ops = tplg->ops;
792 INIT_LIST_HEAD(&sbe->dobj.list);
793
794 /* map io handlers */
2b5cdb91 795 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 796 if (err) {
797 soc_control_err(tplg, &be->hdr, be->hdr.name);
798 kfree(sbe);
799 continue;
800 }
801
802 /* pass control to driver for optional further init */
803 err = soc_tplg_init_kcontrol(tplg, &kc,
804 (struct snd_soc_tplg_ctl_hdr *)be);
805 if (err < 0) {
806 dev_err(tplg->dev, "ASoC: failed to init %s\n",
807 be->hdr.name);
808 kfree(sbe);
809 continue;
810 }
811
812 /* register control here */
813 err = soc_tplg_add_kcontrol(tplg, &kc,
814 &sbe->dobj.control.kcontrol);
815 if (err < 0) {
816 dev_err(tplg->dev, "ASoC: failed to add %s\n",
817 be->hdr.name);
818 kfree(sbe);
819 continue;
820 }
821
822 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
823 }
824 return 0;
825
826}
827
828static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
829 size_t size)
830{
831 struct snd_soc_tplg_mixer_control *mc;
832 struct soc_mixer_control *sm;
833 struct snd_kcontrol_new kc;
834 int i, err;
835
836 if (soc_tplg_check_elem_count(tplg,
837 sizeof(struct snd_soc_tplg_mixer_control),
838 count, size, "mixers")) {
839
840 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
841 count);
842 return -EINVAL;
843 }
844
845 for (i = 0; i < count; i++) {
846 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
847
848 /* validate kcontrol */
849 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
850 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
851 return -EINVAL;
852
853 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
854 if (sm == NULL)
855 return -ENOMEM;
856 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 857 le32_to_cpu(mc->priv.size));
8a978234
LG		 858
859 dev_dbg(tplg->dev,
860 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
861 mc->hdr.name, mc->hdr.access);
862
863 memset(&kc, 0, sizeof(kc));
864 kc.name = mc->hdr.name;
865 kc.private_value = (long)sm;
866 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 867 kc.access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 868
869 /* we only support FL/FR channel mapping atm */
870 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
871 SNDRV_CHMAP_FL);
872 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
873 SNDRV_CHMAP_FR);
874 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
875 SNDRV_CHMAP_FL);
876 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
877 SNDRV_CHMAP_FR);
878
5aebe7c7
PLB		 879 sm->max = le32_to_cpu(mc->max);
880 sm->min = le32_to_cpu(mc->min);
881 sm->invert = le32_to_cpu(mc->invert);
882 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 883 sm->dobj.index = tplg->index;
884 sm->dobj.ops = tplg->ops;
885 sm->dobj.type = SND_SOC_DOBJ_MIXER;
886 INIT_LIST_HEAD(&sm->dobj.list);
887
888 /* map io handlers */
2b5cdb91 889 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 890 if (err) {
891 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
892 kfree(sm);
893 continue;
894 }
895
3789debf 896 /* create any TLV data */
482db55a
AS		 897 err = soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
898 if (err < 0) {
899 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
900 mc->hdr.name);
901 kfree(sm);
902 continue;
903 }
3789debf 904
8a978234
LG		 905 /* pass control to driver for optional further init */
906 err = soc_tplg_init_kcontrol(tplg, &kc,
907 (struct snd_soc_tplg_ctl_hdr *) mc);
908 if (err < 0) {
909 dev_err(tplg->dev, "ASoC: failed to init %s\n",
910 mc->hdr.name);
3789debf 911 soc_tplg_free_tlv(tplg, &kc);
8a978234
LG		 912 kfree(sm);
913 continue;
914 }
915
8a978234
LG		 916 /* register control here */
917 err = soc_tplg_add_kcontrol(tplg, &kc,
918 &sm->dobj.control.kcontrol);
919 if (err < 0) {
920 dev_err(tplg->dev, "ASoC: failed to add %s\n",
921 mc->hdr.name);
922 soc_tplg_free_tlv(tplg, &kc);
923 kfree(sm);
924 continue;
925 }
926
927 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
928 }
929
930 return 0;
931}
932
933static int soc_tplg_denum_create_texts(struct soc_enum *se,
934 struct snd_soc_tplg_enum_control *ec)
935{
936 int i, ret;
937
938 se->dobj.control.dtexts =
5aebe7c7 939 kcalloc(le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 940 if (se->dobj.control.dtexts == NULL)
941 return -ENOMEM;
942
72bbeda0 943 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 944
945 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
946 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
947 ret = -EINVAL;
948 goto err;
949 }
950
951 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
952 if (!se->dobj.control.dtexts[i]) {
953 ret = -ENOMEM;
954 goto err;
955 }
956 }
957
3cde818c 958 se->items = le32_to_cpu(ec->items);
b6e38b29 959 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 960 return 0;
961
962err:
3cde818c
AS		 963 se->items = i;
964 soc_tplg_denum_remove_texts(se);
965 return ret;
966}
967
968static inline void soc_tplg_denum_remove_texts(struct soc_enum *se)
969{
970 int i = se->items;
971
8a978234
LG		 972 for (--i; i >= 0; i--)
973 kfree(se->dobj.control.dtexts[i]);
974 kfree(se->dobj.control.dtexts);
8a978234
LG		 975}
976
977static int soc_tplg_denum_create_values(struct soc_enum *se,
978 struct snd_soc_tplg_enum_control *ec)
979{
5aebe7c7
PLB		 980 int i;
981
982 if (le32_to_cpu(ec->items) > sizeof(*ec->values))
8a978234
LG		 983 return -EINVAL;
984
5aebe7c7
PLB		 985 se->dobj.control.dvalues = kzalloc(le32_to_cpu(ec->items) *
986 sizeof(u32),
376c0afe 987 GFP_KERNEL);
8a978234
LG		 988 if (!se->dobj.control.dvalues)
989 return -ENOMEM;
990
5aebe7c7
PLB		 991 /* convert from little-endian */
992 for (i = 0; i < le32_to_cpu(ec->items); i++) {
993 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
994 }
995
8a978234
LG		 996 return 0;
997}
998
3cde818c
AS		 999static inline void soc_tplg_denum_remove_values(struct soc_enum *se)
1000{
1001 kfree(se->dobj.control.dvalues);
1002}
1003
8a978234
LG		 1004static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
1005 size_t size)
1006{
1007 struct snd_soc_tplg_enum_control *ec;
1008 struct soc_enum *se;
1009 struct snd_kcontrol_new kc;
1010 int i, ret, err;
1011
1012 if (soc_tplg_check_elem_count(tplg,
1013 sizeof(struct snd_soc_tplg_enum_control),
1014 count, size, "enums")) {
1015
1016 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
1017 count);
1018 return -EINVAL;
1019 }
1020
1021 for (i = 0; i < count; i++) {
1022 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234
LG		 1023
1024 /* validate kcontrol */
1025 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1026 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1027 return -EINVAL;
1028
1029 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1030 if (se == NULL)
1031 return -ENOMEM;
1032
02b64245 1033 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
5aebe7c7 1034 le32_to_cpu(ec->priv.size));
02b64245 1035
8a978234
LG		 1036 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1037 ec->hdr.name, ec->items);
1038
1039 memset(&kc, 0, sizeof(kc));
1040 kc.name = ec->hdr.name;
1041 kc.private_value = (long)se;
1042 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 1043 kc.access = le32_to_cpu(ec->hdr.access);
8a978234
LG		 1044
1045 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1046 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1047 SNDRV_CHMAP_FL);
1048 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1049 SNDRV_CHMAP_FL);
1050
5aebe7c7 1051 se->mask = le32_to_cpu(ec->mask);
8a978234
LG		 1052 se->dobj.index = tplg->index;
1053 se->dobj.type = SND_SOC_DOBJ_ENUM;
1054 se->dobj.ops = tplg->ops;
1055 INIT_LIST_HEAD(&se->dobj.list);
1056
5aebe7c7 1057 switch (le32_to_cpu(ec->hdr.ops.info)) {
8a978234
LG		 1058 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1059 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1060 err = soc_tplg_denum_create_values(se, ec);
1061 if (err < 0) {
1062 dev_err(tplg->dev,
1063 "ASoC: could not create values for %s\n",
1064 ec->hdr.name);
1065 kfree(se);
1066 continue;
1067 }
9c6c4d96 1068 /* fall through */
8a978234
LG		 1069 case SND_SOC_TPLG_CTL_ENUM:
1070 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1071 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1072 err = soc_tplg_denum_create_texts(se, ec);
1073 if (err < 0) {
1074 dev_err(tplg->dev,
1075 "ASoC: could not create texts for %s\n",
1076 ec->hdr.name);
1077 kfree(se);
1078 continue;
1079 }
1080 break;
1081 default:
1082 dev_err(tplg->dev,
1083 "ASoC: invalid enum control type %d for %s\n",
1084 ec->hdr.ops.info, ec->hdr.name);
1085 kfree(se);
1086 continue;
1087 }
1088
1089 /* map io handlers */
2b5cdb91 1090 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1091 if (err) {
1092 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1093 kfree(se);
1094 continue;
1095 }
1096
1097 /* pass control to driver for optional further init */
1098 err = soc_tplg_init_kcontrol(tplg, &kc,
1099 (struct snd_soc_tplg_ctl_hdr *) ec);
1100 if (err < 0) {
1101 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1102 ec->hdr.name);
1103 kfree(se);
1104 continue;
1105 }
1106
1107 /* register control here */
1108 ret = soc_tplg_add_kcontrol(tplg,
1109 &kc, &se->dobj.control.kcontrol);
1110 if (ret < 0) {
1111 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1112 ec->hdr.name);
1113 kfree(se);
1114 continue;
1115 }
1116
1117 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1118 }
1119
1120 return 0;
1121}
1122
1123static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1124 struct snd_soc_tplg_hdr *hdr)
1125{
1126 struct snd_soc_tplg_ctl_hdr *control_hdr;
2ae548f3 1127 int ret;
8a978234
LG		 1128 int i;
1129
1130 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
5aebe7c7
PLB		 1131 tplg->pos += le32_to_cpu(hdr->size) +
1132 le32_to_cpu(hdr->payload_size);
8a978234
LG		 1133 return 0;
1134 }
1135
1136 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1137 soc_tplg_get_offset(tplg));
1138
5aebe7c7 1139 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
8a978234
LG		 1140
1141 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1142
5aebe7c7 1143 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1144 dev_err(tplg->dev, "ASoC: invalid control size\n");
1145 return -EINVAL;
1146 }
1147
5aebe7c7 1148 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1149 case SND_SOC_TPLG_CTL_VOLSW:
1150 case SND_SOC_TPLG_CTL_STROBE:
1151 case SND_SOC_TPLG_CTL_VOLSW_SX:
1152 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1153 case SND_SOC_TPLG_CTL_RANGE:
1154 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1155 case SND_SOC_TPLG_DAPM_CTL_PIN:
2ae548f3
AS		 1156 ret = soc_tplg_dmixer_create(tplg, 1,
1157 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1158 break;
1159 case SND_SOC_TPLG_CTL_ENUM:
1160 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1161 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1162 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1163 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
2ae548f3
AS		 1164 ret = soc_tplg_denum_create(tplg, 1,
1165 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1166 break;
1167 case SND_SOC_TPLG_CTL_BYTES:
2ae548f3
AS		 1168 ret = soc_tplg_dbytes_create(tplg, 1,
1169 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1170 break;
1171 default:
1172 soc_bind_err(tplg, control_hdr, i);
1173 return -EINVAL;
1174 }
2ae548f3
AS		 1175 if (ret < 0) {
1176 dev_err(tplg->dev, "ASoC: invalid control\n");
1177 return ret;
1178 }
1179
8a978234
LG		 1180 }
1181
1182 return 0;
1183}
1184
503e79b7
LG		 1185/* optionally pass new dynamic kcontrol to component driver. */
1186static int soc_tplg_add_route(struct soc_tplg *tplg,
1187 struct snd_soc_dapm_route *route)
1188{
c42464a4 1189 if (tplg->ops && tplg->ops->dapm_route_load)
503e79b7
LG		 1190 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1191 route);
1192
1193 return 0;
1194}
1195
8a978234
LG		 1196static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1197 struct snd_soc_tplg_hdr *hdr)
1198{
1199 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1200 struct snd_soc_tplg_dapm_graph_elem *elem;
7df04ea7 1201 struct snd_soc_dapm_route **routes;
5aebe7c7 1202 int count, i, j;
7df04ea7 1203 int ret = 0;
8a978234 1204
5aebe7c7
PLB		 1205 count = le32_to_cpu(hdr->count);
1206
8a978234 1207 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
5aebe7c7
PLB		 1208 tplg->pos +=
1209 le32_to_cpu(hdr->size) +
1210 le32_to_cpu(hdr->payload_size);
1211
8a978234
LG		 1212 return 0;
1213 }
1214
1215 if (soc_tplg_check_elem_count(tplg,
1216 sizeof(struct snd_soc_tplg_dapm_graph_elem),
5aebe7c7 1217 count, le32_to_cpu(hdr->payload_size), "graph")) {
8a978234
LG		 1218
1219 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1220 count);
1221 return -EINVAL;
1222 }
1223
b75a6511
LG		 1224 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1225 hdr->index);
8a978234 1226
7df04ea7
RS		 1227 /* allocate memory for pointer to array of dapm routes */
1228 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1229 GFP_KERNEL);
1230 if (!routes)
1231 return -ENOMEM;
1232
1233 /*
1234 * allocate memory for each dapm route in the array.
1235 * This needs to be done individually so that
1236 * each route can be freed when it is removed in remove_route().
1237 */
1238 for (i = 0; i < count; i++) {
1239 routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL);
1240 if (!routes[i]) {
1241 /* free previously allocated memory */
1242 for (j = 0; j < i; j++)
1243 kfree(routes[j]);
1244
1245 kfree(routes);
1246 return -ENOMEM;
1247 }
1248 }
1249
8a978234
LG		 1250 for (i = 0; i < count; i++) {
1251 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1252 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1253
1254 /* validate routes */
1255 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1256 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1257 ret = -EINVAL;
1258 break;
1259 }
8a978234 1260 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1261 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1262 ret = -EINVAL;
1263 break;
1264 }
8a978234 1265 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1266 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1267 ret = -EINVAL;
1268 break;
1269 }
1270
1271 routes[i]->source = elem->source;
1272 routes[i]->sink = elem->sink;
8a978234 1273
7df04ea7
RS		 1274 /* set to NULL atm for tplg users */
1275 routes[i]->connected = NULL;
8a978234 1276 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1277 routes[i]->control = NULL;
8a978234 1278 else
7df04ea7
RS		 1279 routes[i]->control = elem->control;
1280
1281 /* add route dobj to dobj_list */
1282 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1283 routes[i]->dobj.ops = tplg->ops;
1284 routes[i]->dobj.index = tplg->index;
1285 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1286
6856e887
AS		 1287 ret = soc_tplg_add_route(tplg, routes[i]);
1288 if (ret < 0)
1289 break;
503e79b7 1290
8a978234 1291 /* add route, but keep going if some fail */
7df04ea7 1292 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1293 }
1294
7df04ea7
RS		 1295 /* free memory allocated for all dapm routes in case of error */
1296 if (ret < 0)
1297 for (i = 0; i < count ; i++)
1298 kfree(routes[i]);
1299
1300 /*
1301 * free pointer to array of dapm routes as this is no longer needed.
1302 * The memory allocated for each dapm route will be freed
1303 * when it is removed in remove_route().
1304 */
1305 kfree(routes);
1306
1307 return ret;
8a978234
LG		 1308}
1309
1310static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1311 struct soc_tplg *tplg, int num_kcontrols)
1312{
1313 struct snd_kcontrol_new *kc;
1314 struct soc_mixer_control *sm;
1315 struct snd_soc_tplg_mixer_control *mc;
1316 int i, err;
1317
4ca7deb1 1318 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1319 if (kc == NULL)
1320 return NULL;
1321
1322 for (i = 0; i < num_kcontrols; i++) {
1323 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1324
8a978234
LG		 1325 /* validate kcontrol */
1326 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1327 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a
AS		 1328 goto err_sm;
1329
1330 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1331 if (sm == NULL)
1332 goto err_sm;
8a978234 1333
02b64245 1334 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 1335 le32_to_cpu(mc->priv.size));
02b64245 1336
8a978234
LG		 1337 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1338 mc->hdr.name, i);
1339
1ad741d0 1340 kc[i].private_value = (long)sm;
267e2c6f
LG		 1341 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1342 if (kc[i].name == NULL)
9f90af3a 1343 goto err_sm;
8a978234 1344 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1345 kc[i].access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 1346
1347 /* we only support FL/FR channel mapping atm */
1348 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1349 SNDRV_CHMAP_FL);
1350 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1351 SNDRV_CHMAP_FR);
1352 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1353 SNDRV_CHMAP_FL);
1354 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1355 SNDRV_CHMAP_FR);
1356
72bbeda0
PLB		 1357 sm->max = le32_to_cpu(mc->max);
1358 sm->min = le32_to_cpu(mc->min);
1359 sm->invert = le32_to_cpu(mc->invert);
1360 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 1361 sm->dobj.index = tplg->index;
1362 INIT_LIST_HEAD(&sm->dobj.list);
1363
1364 /* map io handlers */
2b5cdb91 1365 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1366 if (err) {
1367 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
9f90af3a 1368 goto err_sm;
8a978234
LG		 1369 }
1370
3789debf 1371 /* create any TLV data */
482db55a
AS		 1372 err = soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1373 if (err < 0) {
1374 dev_err(tplg->dev, "ASoC: failed to create TLV %s\n",
1375 mc->hdr.name);
1376 kfree(sm);
1377 continue;
1378 }
3789debf 1379
8a978234
LG		 1380 /* pass control to driver for optional further init */
1381 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1382 (struct snd_soc_tplg_ctl_hdr *)mc);
1383 if (err < 0) {
1384 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1385 mc->hdr.name);
3789debf 1386 soc_tplg_free_tlv(tplg, &kc[i]);
9f90af3a 1387 goto err_sm;
8a978234
LG		 1388 }
1389 }
1390 return kc;
1391
9f90af3a
AS		 1392err_sm:
1393 for (; i >= 0; i--) {
1394 sm = (struct soc_mixer_control *)kc[i].private_value;
1395 kfree(sm);
267e2c6f
LG		 1396 kfree(kc[i].name);
1397 }
8a978234 1398 kfree(kc);
9f90af3a 1399
8a978234
LG		 1400 return NULL;
1401}
1402
1403static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1404 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1405{
1406 struct snd_kcontrol_new *kc;
1407 struct snd_soc_tplg_enum_control *ec;
1408 struct soc_enum *se;
3cde818c 1409 int i, err;
8a978234 1410
1a7dd6e2 1411 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1412 if (kc == NULL)
1413 return NULL;
1414
1a7dd6e2
ML		 1415 for (i = 0; i < num_kcontrols; i++) {
1416 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1417 /* validate kcontrol */
1418 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1419 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1420 goto err_se;
1a7dd6e2
ML		 1421
1422 se = kzalloc(sizeof(*se), GFP_KERNEL);
1423 if (se == NULL)
9f90af3a 1424 goto err_se;
8a978234 1425
02b64245 1426 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
72bbeda0 1427 le32_to_cpu(ec->priv.size));
02b64245 1428
1a7dd6e2
ML		 1429 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1430 ec->hdr.name);
8a978234 1431
1ad741d0 1432 kc[i].private_value = (long)se;
267e2c6f 1433 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
9f90af3a 1434 if (kc[i].name == NULL)
267e2c6f 1435 goto err_se;
1a7dd6e2 1436 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1437 kc[i].access = le32_to_cpu(ec->hdr.access);
8a978234 1438
1a7dd6e2
ML		 1439 /* we only support FL/FR channel mapping atm */
1440 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1441 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1442 SNDRV_CHMAP_FL);
1443 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1444 SNDRV_CHMAP_FR);
8a978234 1445
72bbeda0
PLB		 1446 se->items = le32_to_cpu(ec->items);
1447 se->mask = le32_to_cpu(ec->mask);
1a7dd6e2 1448 se->dobj.index = tplg->index;
8a978234 1449
5aebe7c7 1450 switch (le32_to_cpu(ec->hdr.ops.info)) {
1a7dd6e2
ML		 1451 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1452 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1453 err = soc_tplg_denum_create_values(se, ec);
1454 if (err < 0) {
1455 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1456 ec->hdr.name);
1457 goto err_se;
1458 }
9c6c4d96 1459 /* fall through */
1a7dd6e2
ML		 1460 case SND_SOC_TPLG_CTL_ENUM:
1461 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1462 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1463 err = soc_tplg_denum_create_texts(se, ec);
1464 if (err < 0) {
1465 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1466 ec->hdr.name);
1467 goto err_se;
1468 }
1469 break;
1470 default:
1471 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1472 ec->hdr.ops.info, ec->hdr.name);
8a978234
LG		 1473 goto err_se;
1474 }
1a7dd6e2
ML		 1475
1476 /* map io handlers */
1477 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1478 if (err) {
1479 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1480 goto err_se;
1481 }
1482
1483 /* pass control to driver for optional further init */
1484 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1485 (struct snd_soc_tplg_ctl_hdr *)ec);
8a978234 1486 if (err < 0) {
1a7dd6e2 1487 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1488 ec->hdr.name);
1489 goto err_se;
1490 }
8a978234
LG		 1491 }
1492
1493 return kc;
1494
1495err_se:
1a7dd6e2
ML		 1496 for (; i >= 0; i--) {
1497 /* free values and texts */
1498 se = (struct soc_enum *)kc[i].private_value;
6d5574ed 1499
9f90af3a
AS		 1500 if (se) {
1501 soc_tplg_denum_remove_values(se);
1502 soc_tplg_denum_remove_texts(se);
1503 }
8a978234 1504
1a7dd6e2 1505 kfree(se);
267e2c6f 1506 kfree(kc[i].name);
1a7dd6e2 1507 }
8a978234
LG		 1508 kfree(kc);
1509
1510 return NULL;
1511}
1512
1513static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
9f90af3a 1514 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1515{
1516 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1517 struct soc_bytes_ext *sbe;
8a978234
LG		 1518 struct snd_kcontrol_new *kc;
1519 int i, err;
1520
9f90af3a 1521 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1522 if (!kc)
1523 return NULL;
1524
9f90af3a 1525 for (i = 0; i < num_kcontrols; i++) {
8a978234
LG		 1526 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1527
1528 /* validate kcontrol */
1529 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1530 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1531 goto err_sbe;
8a978234
LG		 1532
1533 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1534 if (sbe == NULL)
9f90af3a 1535 goto err_sbe;
8a978234
LG		 1536
1537 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 1538 le32_to_cpu(be->priv.size));
8a978234
LG		 1539
1540 dev_dbg(tplg->dev,
1541 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1542 be->hdr.name, be->hdr.access);
1543
1ad741d0 1544 kc[i].private_value = (long)sbe;
267e2c6f 1545 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
9f90af3a
AS		 1546 if (kc[i].name == NULL)
1547 goto err_sbe;
8a978234 1548 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1549 kc[i].access = le32_to_cpu(be->hdr.access);
8a978234 1550
72bbeda0 1551 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 1552 INIT_LIST_HEAD(&sbe->dobj.list);
1553
1554 /* map standard io handlers and check for external handlers */
2b5cdb91 1555 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1556 if (err) {
1557 soc_control_err(tplg, &be->hdr, be->hdr.name);
9f90af3a 1558 goto err_sbe;
8a978234
LG		 1559 }
1560
1561 /* pass control to driver for optional further init */
1562 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1563 (struct snd_soc_tplg_ctl_hdr *)be);
1564 if (err < 0) {
1565 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1566 be->hdr.name);
9f90af3a 1567 goto err_sbe;
8a978234
LG		 1568 }
1569 }
1570
1571 return kc;
1572
9f90af3a
AS		 1573err_sbe:
1574 for (; i >= 0; i--) {
1575 sbe = (struct soc_bytes_ext *)kc[i].private_value;
1576 kfree(sbe);
267e2c6f
LG		 1577 kfree(kc[i].name);
1578 }
8a978234 1579 kfree(kc);
9f90af3a 1580
8a978234
LG		 1581 return NULL;
1582}
1583
1584static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1585 struct snd_soc_tplg_dapm_widget *w)
1586{
1587 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1588 struct snd_soc_dapm_widget template, *widget;
1589 struct snd_soc_tplg_ctl_hdr *control_hdr;
1590 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1591 unsigned int kcontrol_type;
8a978234
LG		 1592 int ret = 0;
1593
1594 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1595 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1596 return -EINVAL;
1597 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1598 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1599 return -EINVAL;
1600
1601 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1602 w->name, w->id);
1603
1604 memset(&template, 0, sizeof(template));
1605
1606 /* map user to kernel widget ID */
5aebe7c7 1607 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1608 if ((int)template.id < 0)
8a978234
LG		 1609 return template.id;
1610
c3421a6a 1611 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1612 template.name = kstrdup(w->name, GFP_KERNEL);
1613 if (!template.name)
1614 return -ENOMEM;
1615 template.sname = kstrdup(w->sname, GFP_KERNEL);
1616 if (!template.sname) {
1617 ret = -ENOMEM;
1618 goto err;
1619 }
5aebe7c7
PLB		 1620 template.reg = le32_to_cpu(w->reg);
1621 template.shift = le32_to_cpu(w->shift);
1622 template.mask = le32_to_cpu(w->mask);
1623 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1624 template.on_val = w->invert ? 0 : 1;
1625 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1626 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1627 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1628 template.dobj.index = tplg->index;
1629
1630 tplg->pos +=
5aebe7c7
PLB		 1631 (sizeof(struct snd_soc_tplg_dapm_widget) +
1632 le32_to_cpu(w->priv.size));
1633
8a978234 1634 if (w->num_kcontrols == 0) {
dd5abb74 1635 kcontrol_type = 0;
8a978234
LG		 1636 template.num_kcontrols = 0;
1637 goto widget;
1638 }
1639
1640 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1641 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1642 w->name, w->num_kcontrols, control_hdr->type);
1643
5aebe7c7 1644 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1645 case SND_SOC_TPLG_CTL_VOLSW:
1646 case SND_SOC_TPLG_CTL_STROBE:
1647 case SND_SOC_TPLG_CTL_VOLSW_SX:
1648 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1649 case SND_SOC_TPLG_CTL_RANGE:
1650 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1651 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
5aebe7c7 1652 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1653 template.kcontrol_news =
1654 soc_tplg_dapm_widget_dmixer_create(tplg,
1655 template.num_kcontrols);
1656 if (!template.kcontrol_news) {
1657 ret = -ENOMEM;
1658 goto hdr_err;
1659 }
1660 break;
1661 case SND_SOC_TPLG_CTL_ENUM:
1662 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1663 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1664 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1665 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1666 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
5aebe7c7 1667 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234 1668 template.kcontrol_news =
1a7dd6e2
ML		 1669 soc_tplg_dapm_widget_denum_create(tplg,
1670 template.num_kcontrols);
8a978234
LG		 1671 if (!template.kcontrol_news) {
1672 ret = -ENOMEM;
1673 goto hdr_err;
1674 }
1675 break;
1676 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1677 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
5aebe7c7 1678 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1679 template.kcontrol_news =
1680 soc_tplg_dapm_widget_dbytes_create(tplg,
1681 template.num_kcontrols);
1682 if (!template.kcontrol_news) {
1683 ret = -ENOMEM;
1684 goto hdr_err;
1685 }
1686 break;
1687 default:
1688 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1689 control_hdr->ops.get, control_hdr->ops.put,
5aebe7c7 1690 le32_to_cpu(control_hdr->ops.info));
8a978234
LG		 1691 ret = -EINVAL;
1692 goto hdr_err;
1693 }
1694
1695widget:
1696 ret = soc_tplg_widget_load(tplg, &template, w);
1697 if (ret < 0)
1698 goto hdr_err;
1699
1700 /* card dapm mutex is held by the core if we are loading topology
1701 * data during sound card init. */
1702 if (card->instantiated)
1703 widget = snd_soc_dapm_new_control(dapm, &template);
1704 else
1705 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1706 if (IS_ERR(widget)) {
1707 ret = PTR_ERR(widget);
8a978234
LG		 1708 goto hdr_err;
1709 }
1710
1711 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1712 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1713 widget->dobj.ops = tplg->ops;
1714 widget->dobj.index = tplg->index;
1715 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1716
1717 ret = soc_tplg_widget_ready(tplg, widget, w);
1718 if (ret < 0)
1719 goto ready_err;
1720
7620fe91
B		 1721 kfree(template.sname);
1722 kfree(template.name);
1723
8a978234
LG		 1724 return 0;
1725
ebd259d3
LG		 1726ready_err:
1727 snd_soc_tplg_widget_remove(widget);
1728 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1729hdr_err:
1730 kfree(template.sname);
1731err:
1732 kfree(template.name);
1733 return ret;
1734}
1735
1736static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1737 struct snd_soc_tplg_hdr *hdr)
1738{
1739 struct snd_soc_tplg_dapm_widget *widget;
5aebe7c7
PLB		 1740 int ret, count, i;
1741
1742 count = le32_to_cpu(hdr->count);
8a978234
LG		 1743
1744 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1745 return 0;
1746
1747 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1748
1749 for (i = 0; i < count; i++) {
1750 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
5aebe7c7 1751 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1752 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1753 return -EINVAL;
1754 }
1755
8a978234 1756 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1757 if (ret < 0) {
8a978234
LG		 1758 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1759 widget->name);
7de76b62
ML		 1760 return ret;
1761 }
8a978234
LG		 1762 }
1763
1764 return 0;
1765}
1766
1767static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1768{
1769 struct snd_soc_card *card = tplg->comp->card;
1770 int ret;
1771
1772 /* Card might not have been registered at this point.
1773 * If so, just return success.
1774 */
1775 if (!card || !card->instantiated) {
1776 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1777 " widget card binding deferred\n");
8a978234
LG		 1778 return 0;
1779 }
1780
1781 ret = snd_soc_dapm_new_widgets(card);
1782 if (ret < 0)
1783 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1784 ret);
1785
1786 return 0;
1787}
1788
abc3caac 1789static int set_stream_info(struct snd_soc_pcm_stream *stream,
b6b6e4d6
ML		 1790 struct snd_soc_tplg_stream_caps *caps)
1791{
1792 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
abc3caac
AS		 1793 if (!stream->stream_name)
1794 return -ENOMEM;
1795
5aebe7c7
PLB		 1796 stream->channels_min = le32_to_cpu(caps->channels_min);
1797 stream->channels_max = le32_to_cpu(caps->channels_max);
1798 stream->rates = le32_to_cpu(caps->rates);
1799 stream->rate_min = le32_to_cpu(caps->rate_min);
1800 stream->rate_max = le32_to_cpu(caps->rate_max);
1801 stream->formats = le64_to_cpu(caps->formats);
1802 stream->sig_bits = le32_to_cpu(caps->sig_bits);
abc3caac
AS		 1803
1804 return 0;
b6b6e4d6
ML		 1805}
1806
0038be9a
ML		 1807static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1808 unsigned int flag_mask, unsigned int flags)
1809{
1810 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1811 dai_drv->symmetric_rates =
1812 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1813
1814 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1815 dai_drv->symmetric_channels =
1816 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1817 1 : 0;
1818
1819 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1820 dai_drv->symmetric_samplebits =
1821 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1822 1 : 0;
1823}
1824
64527e8a
ML		 1825static int soc_tplg_dai_create(struct soc_tplg *tplg,
1826 struct snd_soc_tplg_pcm *pcm)
1827{
1828 struct snd_soc_dai_driver *dai_drv;
1829 struct snd_soc_pcm_stream *stream;
1830 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1831 struct snd_soc_dai *dai;
1832 struct snd_soc_dapm_context *dapm =
1833 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1834 int ret;
1835
1836 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1837 if (dai_drv == NULL)
1838 return -ENOMEM;
1839
abc3caac 1840 if (strlen(pcm->dai_name)) {
8f27c4ab 1841 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1842 if (!dai_drv->name) {
1843 ret = -ENOMEM;
1844 goto err;
1845 }
1846 }
5aebe7c7 1847 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1848
1849 if (pcm->playback) {
1850 stream = &dai_drv->playback;
1851 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
abc3caac
AS		 1852 ret = set_stream_info(stream, caps);
1853 if (ret < 0)
1854 goto err;
64527e8a
ML		 1855 }
1856
1857 if (pcm->capture) {
1858 stream = &dai_drv->capture;
1859 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
abc3caac
AS		 1860 ret = set_stream_info(stream, caps);
1861 if (ret < 0)
1862 goto err;
64527e8a
ML		 1863 }
1864
5db6aab6
LG		 1865 if (pcm->compress)
1866 dai_drv->compress_new = snd_soc_new_compress;
1867
64527e8a 1868 /* pass control to component driver for optional further init */
c60b613a 1869 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a
ML		 1870 if (ret < 0) {
1871 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
abc3caac 1872 goto err;
64527e8a
ML		 1873 }
1874
1875 dai_drv->dobj.index = tplg->index;
1876 dai_drv->dobj.ops = tplg->ops;
1877 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1878 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1879
1880 /* register the DAI to the component */
e443c205
KM		 1881 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
1882 if (!dai)
1883 return -ENOMEM;
1884
1885 /* Create the DAI widgets here */
1886 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1887 if (ret != 0) {
1888 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
1889 snd_soc_unregister_dai(dai);
1890 return ret;
1891 }
1892
abc3caac
AS		 1893 return 0;
1894
1895err:
1896 kfree(dai_drv->playback.stream_name);
1897 kfree(dai_drv->capture.stream_name);
1898 kfree(dai_drv->name);
1899 kfree(dai_drv);
1900
e443c205 1901 return ret;
64527e8a
ML		 1902}
1903
717a8e72
ML		 1904static void set_link_flags(struct snd_soc_dai_link *link,
1905 unsigned int flag_mask, unsigned int flags)
1906{
1907 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1908 link->symmetric_rates =
1909 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1910
1911 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1912 link->symmetric_channels =
1913 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1914 1 : 0;
1915
1916 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1917 link->symmetric_samplebits =
1918 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1919 1 : 0;
6ff67cca
ML		 1920
1921 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1922 link->ignore_suspend =
1923 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1924 1 : 0;
717a8e72
ML		 1925}
1926
67d1c21e 1927/* create the FE DAI link */
ab4bc5ee 1928static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1929 struct snd_soc_tplg_pcm *pcm)
1930{
1931 struct snd_soc_dai_link *link;
23b946ce 1932 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1933 int ret;
1934
3e6de894
PLB		 1935 /* link + cpu + codec + platform */
1936 link = kzalloc(sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1937 if (link == NULL)
1938 return -ENOMEM;
1939
23b946ce
KM		 1940 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1941
1942 link->cpus = &dlc[0];
1943 link->codecs = &dlc[1];
3e6de894 1944 link->platforms = &dlc[2];
23b946ce
KM		 1945
1946 link->num_cpus = 1;
1947 link->num_codecs = 1;
3e6de894 1948 link->num_platforms = 1;
23b946ce 1949
8ce1cbd6
JK		 1950 link->dobj.index = tplg->index;
1951 link->dobj.ops = tplg->ops;
1952 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1953
8f27c4ab
ML		 1954 if (strlen(pcm->pcm_name)) {
1955 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1956 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
abc3caac
AS		 1957 if (!link->name || !link->stream_name) {
1958 ret = -ENOMEM;
1959 goto err;
1960 }
8f27c4ab 1961 }
5aebe7c7 1962 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1963
abc3caac 1964 if (strlen(pcm->dai_name)) {
23b946ce 1965 link->cpus->dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
abc3caac
AS		 1966 if (!link->cpus->dai_name) {
1967 ret = -ENOMEM;
1968 goto err;
1969 }
1970 }
8f27c4ab 1971
23b946ce
KM		 1972 link->codecs->name = "snd-soc-dummy";
1973 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1974
3e6de894
PLB		 1975 link->platforms->name = "snd-soc-dummy";
1976
67d1c21e
GS		 1977 /* enable DPCM */
1978 link->dynamic = 1;
5aebe7c7
PLB		 1979 link->dpcm_playback = le32_to_cpu(pcm->playback);
1980 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1981 if (pcm->flag_mask)
5aebe7c7
PLB		 1982 set_link_flags(link,
1983 le32_to_cpu(pcm->flag_mask),
1984 le32_to_cpu(pcm->flags));
67d1c21e 1985
acfc7d46 1986 /* pass control to component driver for optional further init */
c60b613a 1987 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46
ML		 1988 if (ret < 0) {
1989 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1990 goto err;
1991 }
1992
2acf6ce2 1993 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036
DT		 1994 if (ret < 0) {
1995 dev_err(tplg->comp->dev, "ASoC: adding FE link failed\n");
1996 goto err;
acfc7d46
ML		 1997 }
1998
acfc7d46
ML		 1999 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2000
acfc7d46 2001 return 0;
76d27036
DT		 2002err:
2003 kfree(link->name);
2004 kfree(link->stream_name);
2005 kfree(link->cpus->dai_name);
2006 kfree(link);
2007 return ret;
acfc7d46
ML		 2008}
2009
2010/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 2011static int soc_tplg_pcm_create(struct soc_tplg *tplg,
2012 struct snd_soc_tplg_pcm *pcm)
2013{
acfc7d46
ML		 2014 int ret;
2015
2016 ret = soc_tplg_dai_create(tplg, pcm);
2017 if (ret < 0)
2018 return ret;
2019
ab4bc5ee 2020 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 2021}
2022
55726dc9
ML		 2023/* copy stream caps from the old version 4 of source */
2024static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
2025 struct snd_soc_tplg_stream_caps_v4 *src)
2026{
5aebe7c7 2027 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 2028 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2029 dest->formats = src->formats;
2030 dest->rates = src->rates;
2031 dest->rate_min = src->rate_min;
2032 dest->rate_max = src->rate_max;
2033 dest->channels_min = src->channels_min;
2034 dest->channels_max = src->channels_max;
2035 dest->periods_min = src->periods_min;
2036 dest->periods_max = src->periods_max;
2037 dest->period_size_min = src->period_size_min;
2038 dest->period_size_max = src->period_size_max;
2039 dest->buffer_size_min = src->buffer_size_min;
2040 dest->buffer_size_max = src->buffer_size_max;
2041}
2042
2043/**
2044 * pcm_new_ver - Create the new version of PCM from the old version.
2045 * @tplg: topology context
2046 * @src: older version of pcm as a source
2047 * @pcm: latest version of pcm created from the source
2048 *
2049 * Support from vesion 4. User should free the returned pcm manually.
2050 */
2051static int pcm_new_ver(struct soc_tplg *tplg,
2052 struct snd_soc_tplg_pcm *src,
2053 struct snd_soc_tplg_pcm **pcm)
2054{
2055 struct snd_soc_tplg_pcm *dest;
2056 struct snd_soc_tplg_pcm_v4 *src_v4;
2057 int i;
2058
2059 *pcm = NULL;
2060
5aebe7c7 2061 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 2062 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
2063 return -EINVAL;
2064 }
2065
2066 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
2067 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
2068 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2069 if (!dest)
2070 return -ENOMEM;
2071
5aebe7c7 2072 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 2073 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2074 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2075 dest->pcm_id = src_v4->pcm_id;
2076 dest->dai_id = src_v4->dai_id;
2077 dest->playback = src_v4->playback;
2078 dest->capture = src_v4->capture;
2079 dest->compress = src_v4->compress;
2080 dest->num_streams = src_v4->num_streams;
5aebe7c7 2081 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 2082 memcpy(&dest->stream[i], &src_v4->stream[i],
2083 sizeof(struct snd_soc_tplg_stream));
2084
2085 for (i = 0; i < 2; i++)
2086 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
2087
2088 *pcm = dest;
2089 return 0;
2090}
2091
64527e8a 2092static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 2093 struct snd_soc_tplg_hdr *hdr)
2094{
55726dc9 2095 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 2096 int count;
2097 int size;
fd340455 2098 int i;
55726dc9 2099 bool abi_match;
a3039aef 2100 int ret;
8a978234 2101
5aebe7c7
PLB		 2102 count = le32_to_cpu(hdr->count);
2103
8a978234
LG		 2104 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
2105 return 0;
2106
55726dc9
ML		 2107 /* check the element size and count */
2108 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 2109 size = le32_to_cpu(pcm->size);
2110 if (size > sizeof(struct snd_soc_tplg_pcm)
2111 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 2112 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 2113 size);
55726dc9
ML		 2114 return -EINVAL;
2115 }
2116
8a978234 2117 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2118 size, count,
2119 le32_to_cpu(hdr->payload_size),
2120 "PCM DAI")) {
8a978234
LG		 2121 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
2122 count);
2123 return -EINVAL;
2124 }
2125
64527e8a 2126 for (i = 0; i < count; i++) {
55726dc9 2127 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 2128 size = le32_to_cpu(pcm->size);
55726dc9
ML		 2129
2130 /* check ABI version by size, create a new version of pcm
2131 * if abi not match.
2132 */
5aebe7c7 2133 if (size == sizeof(*pcm)) {
55726dc9
ML		 2134 abi_match = true;
2135 _pcm = pcm;
2136 } else {
2137 abi_match = false;
b3677fc3
AS		 2138 ret = pcm_new_ver(tplg, pcm, &_pcm);
2139 if (ret < 0)
2140 return ret;
06eb49f7
ML		 2141 }
2142
55726dc9 2143 /* create the FE DAIs and DAI links */
a3039aef
DT		 2144 ret = soc_tplg_pcm_create(tplg, _pcm);
2145 if (ret < 0) {
2146 if (!abi_match)
2147 kfree(_pcm);
2148 return ret;
2149 }
55726dc9 2150
717a8e72
ML		 2151 /* offset by version-specific struct size and
2152 * real priv data size
2153 */
5aebe7c7 2154 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 2155
55726dc9
ML		 2156 if (!abi_match)
2157 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 2158 }
2159
8a978234 2160 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 2161
8a978234 2162 return 0;
8a978234
LG		 2163}
2164
593d9e52
ML		 2165/**
2166 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 2167 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 2168 * @cfg: physical link configs.
2169 *
2170 * Topology context contains a list of supported HW formats (configs) and
2171 * a default format ID for the physical link. This function will use this
2172 * default ID to choose the HW format to set the link's DAI format for init.
2173 */
2174static void set_link_hw_format(struct snd_soc_dai_link *link,
2175 struct snd_soc_tplg_link_config *cfg)
2176{
2177 struct snd_soc_tplg_hw_config *hw_config;
2178 unsigned char bclk_master, fsync_master;
2179 unsigned char invert_bclk, invert_fsync;
2180 int i;
2181
5aebe7c7 2182 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 2183 hw_config = &cfg->hw_config[i];
2184 if (hw_config->id != cfg->default_hw_config_id)
2185 continue;
2186
5aebe7c7
PLB		 2187 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
2188 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 2189
933e1c4a 2190 /* clock gating */
fbeabd09
KM		 2191 switch (hw_config->clock_gated) {
2192 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 2193 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 2194 break;
2195
2196 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2197 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2198 break;
2199
2200 default:
2201 /* ignore the value */
2202 break;
2203 }
933e1c4a 2204
593d9e52
ML		 2205 /* clock signal polarity */
2206 invert_bclk = hw_config->invert_bclk;
2207 invert_fsync = hw_config->invert_fsync;
2208 if (!invert_bclk && !invert_fsync)
2209 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2210 else if (!invert_bclk && invert_fsync)
2211 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2212 else if (invert_bclk && !invert_fsync)
2213 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2214 else
2215 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2216
2217 /* clock masters */
a941e2fa
KM		 2218 bclk_master = (hw_config->bclk_master ==
2219 SND_SOC_TPLG_BCLK_CM);
2220 fsync_master = (hw_config->fsync_master ==
2221 SND_SOC_TPLG_FSYNC_CM);
2222 if (bclk_master && fsync_master)
593d9e52 2223 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
593d9e52 2224 else if (!bclk_master && fsync_master)
a941e2fa
KM		 2225 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2226 else if (bclk_master && !fsync_master)
593d9e52
ML		 2227 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2228 else
2229 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2230 }
2231}
2232
2233/**
2234 * link_new_ver - Create a new physical link config from the old
2235 * version of source.
8abab35f 2236 * @tplg: topology context
593d9e52
ML		 2237 * @src: old version of phyical link config as a source
2238 * @link: latest version of physical link config created from the source
2239 *
2240 * Support from vesion 4. User need free the returned link config manually.
2241 */
2242static int link_new_ver(struct soc_tplg *tplg,
2243 struct snd_soc_tplg_link_config *src,
2244 struct snd_soc_tplg_link_config **link)
2245{
2246 struct snd_soc_tplg_link_config *dest;
2247 struct snd_soc_tplg_link_config_v4 *src_v4;
2248 int i;
2249
2250 *link = NULL;
2251
5aebe7c7
PLB		 2252 if (le32_to_cpu(src->size) !=
2253 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2254 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2255 return -EINVAL;
2256 }
2257
2258 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2259
2260 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2261 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2262 if (!dest)
2263 return -ENOMEM;
2264
5aebe7c7 2265 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2266 dest->id = src_v4->id;
2267 dest->num_streams = src_v4->num_streams;
5aebe7c7 2268 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2269 memcpy(&dest->stream[i], &src_v4->stream[i],
2270 sizeof(struct snd_soc_tplg_stream));
2271
2272 *link = dest;
2273 return 0;
2274}
2275
d6f31e0e
KM		 2276/**
2277 * snd_soc_find_dai_link - Find a DAI link
2278 *
2279 * @card: soc card
2280 * @id: DAI link ID to match
2281 * @name: DAI link name to match, optional
2282 * @stream_name: DAI link stream name to match, optional
2283 *
2284 * This function will search all existing DAI links of the soc card to
2285 * find the link of the same ID. Since DAI links may not have their
2286 * unique ID, so name and stream name should also match if being
2287 * specified.
2288 *
2289 * Return: pointer of DAI link, or NULL if not found.
2290 */
2291static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2292 int id, const char *name,
2293 const char *stream_name)
2294{
2295 struct snd_soc_pcm_runtime *rtd;
2296 struct snd_soc_dai_link *link;
2297
2298 for_each_card_rtds(card, rtd) {
2299 link = rtd->dai_link;
2300
2301 if (link->id != id)
2302 continue;
2303
2304 if (name && (!link->name || strcmp(name, link->name)))
2305 continue;
2306
2307 if (stream_name && (!link->stream_name
2308 || strcmp(stream_name, link->stream_name)))
2309 continue;
2310
2311 return link;
2312 }
2313
2314 return NULL;
2315}
2316
593d9e52
ML		 2317/* Find and configure an existing physical DAI link */
2318static int soc_tplg_link_config(struct soc_tplg *tplg,
2319 struct snd_soc_tplg_link_config *cfg)
2320{
2321 struct snd_soc_dai_link *link;
2322 const char *name, *stream_name;
dbab1cb8 2323 size_t len;
593d9e52
ML		 2324 int ret;
2325
dbab1cb8
ML		 2326 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2327 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2328 return -EINVAL;
2329 else if (len)
2330 name = cfg->name;
2331 else
2332 name = NULL;
2333
2334 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2335 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2336 return -EINVAL;
2337 else if (len)
2338 stream_name = cfg->stream_name;
2339 else
2340 stream_name = NULL;
593d9e52 2341
5aebe7c7 2342 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2343 name, stream_name);
2344 if (!link) {
2345 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2346 name, cfg->id);
2347 return -EINVAL;
2348 }
2349
2350 /* hw format */
2351 if (cfg->num_hw_configs)
2352 set_link_hw_format(link, cfg);
2353
2354 /* flags */
2355 if (cfg->flag_mask)
5aebe7c7
PLB		 2356 set_link_flags(link,
2357 le32_to_cpu(cfg->flag_mask),
2358 le32_to_cpu(cfg->flags));
593d9e52
ML		 2359
2360 /* pass control to component driver for optional further init */
c60b613a 2361 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2362 if (ret < 0) {
2363 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2364 return ret;
2365 }
2366
adfebb51
B		 2367 /* for unloading it in snd_soc_tplg_component_remove */
2368 link->dobj.index = tplg->index;
2369 link->dobj.ops = tplg->ops;
2370 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2371 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2372
593d9e52
ML		 2373 return 0;
2374}
2375
2376
2377/* Load physical link config elements from the topology context */
2378static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2379 struct snd_soc_tplg_hdr *hdr)
2380{
2381 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2382 int count;
2383 int size;
593d9e52
ML		 2384 int i, ret;
2385 bool abi_match;
2386
5aebe7c7
PLB		 2387 count = le32_to_cpu(hdr->count);
2388
593d9e52 2389 if (tplg->pass != SOC_TPLG_PASS_LINK) {
5aebe7c7
PLB		 2390 tplg->pos += le32_to_cpu(hdr->size) +
2391 le32_to_cpu(hdr->payload_size);
593d9e52
ML		 2392 return 0;
2393 };
2394
2395 /* check the element size and count */
2396 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2397 size = le32_to_cpu(link->size);
2398 if (size > sizeof(struct snd_soc_tplg_link_config)
2399 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2400 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2401 size);
593d9e52
ML		 2402 return -EINVAL;
2403 }
2404
2405 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2406 size, count,
2407 le32_to_cpu(hdr->payload_size),
2408 "physical link config")) {
593d9e52
ML		 2409 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2410 count);
2411 return -EINVAL;
2412 }
2413
2414 /* config physical DAI links */
2415 for (i = 0; i < count; i++) {
2416 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2417 size = le32_to_cpu(link->size);
2418 if (size == sizeof(*link)) {
593d9e52
ML		 2419 abi_match = true;
2420 _link = link;
2421 } else {
2422 abi_match = false;
2423 ret = link_new_ver(tplg, link, &_link);
2424 if (ret < 0)
2425 return ret;
2426 }
2427
2428 ret = soc_tplg_link_config(tplg, _link);
2b2d5c4d
DT		 2429 if (ret < 0) {
2430 if (!abi_match)
2431 kfree(_link);
593d9e52 2432 return ret;
2b2d5c4d 2433 }
593d9e52
ML		 2434
2435 /* offset by version-specific struct size and
2436 * real priv data size
2437 */
5aebe7c7 2438 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2439
2440 if (!abi_match)
2441 kfree(_link); /* free the duplicated one */
2442 }
2443
2444 return 0;
2445}
2446
9aa3f034
ML		 2447/**
2448 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2449 * @tplg: topology context
9aa3f034 2450 * @d: physical DAI configs.
0038be9a 2451 *
9aa3f034
ML		 2452 * The physical dai should already be registered by the platform driver.
2453 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2454 */
9aa3f034
ML		 2455static int soc_tplg_dai_config(struct soc_tplg *tplg,
2456 struct snd_soc_tplg_dai *d)
0038be9a 2457{
5aebe7c7 2458 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2459 struct snd_soc_dai *dai;
2460 struct snd_soc_dai_driver *dai_drv;
2461 struct snd_soc_pcm_stream *stream;
2462 struct snd_soc_tplg_stream_caps *caps;
2463 int ret;
2464
5aebe7c7
PLB		 2465 memset(&dai_component, 0, sizeof(dai_component));
2466
9aa3f034 2467 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2468 dai = snd_soc_find_dai(&dai_component);
2469 if (!dai) {
9aa3f034
ML		 2470 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2471 d->dai_name);
0038be9a
ML		 2472 return -EINVAL;
2473 }
2474
5aebe7c7 2475 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2476 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2477 d->dai_name);
0038be9a
ML		 2478 return -EINVAL;
2479 }
2480
2481 dai_drv = dai->driver;
2482 if (!dai_drv)
2483 return -EINVAL;
2484
9aa3f034 2485 if (d->playback) {
0038be9a 2486 stream = &dai_drv->playback;
9aa3f034 2487 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
abc3caac
AS		 2488 ret = set_stream_info(stream, caps);
2489 if (ret < 0)
2490 goto err;
0038be9a
ML		 2491 }
2492
9aa3f034 2493 if (d->capture) {
0038be9a 2494 stream = &dai_drv->capture;
9aa3f034 2495 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
abc3caac
AS		 2496 ret = set_stream_info(stream, caps);
2497 if (ret < 0)
2498 goto err;
0038be9a
ML		 2499 }
2500
9aa3f034 2501 if (d->flag_mask)
5aebe7c7
PLB		 2502 set_dai_flags(dai_drv,
2503 le32_to_cpu(d->flag_mask),
2504 le32_to_cpu(d->flags));
0038be9a
ML		 2505
2506 /* pass control to component driver for optional further init */
c60b613a 2507 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a
ML		 2508 if (ret < 0) {
2509 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
abc3caac 2510 goto err;
0038be9a
ML		 2511 }
2512
2513 return 0;
abc3caac
AS		 2514
2515err:
2516 kfree(dai_drv->playback.stream_name);
2517 kfree(dai_drv->capture.stream_name);
2518 return ret;
0038be9a
ML		 2519}
2520
9aa3f034
ML		 2521/* load physical DAI elements */
2522static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2523 struct snd_soc_tplg_hdr *hdr)
0038be9a 2524{
9aa3f034 2525 struct snd_soc_tplg_dai *dai;
5aebe7c7 2526 int count;
dd8e871d 2527 int i, ret;
0038be9a 2528
5aebe7c7
PLB		 2529 count = le32_to_cpu(hdr->count);
2530
0038be9a
ML		 2531 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2532 return 0;
2533
2534 /* config the existing BE DAIs */
2535 for (i = 0; i < count; i++) {
9aa3f034 2536 dai = (struct snd_soc_tplg_dai *)tplg->pos;
5aebe7c7 2537 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2538 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2539 return -EINVAL;
2540 }
2541
dd8e871d
AS		 2542 ret = soc_tplg_dai_config(tplg, dai);
2543 if (ret < 0) {
2544 dev_err(tplg->dev, "ASoC: failed to configure DAI\n");
2545 return ret;
2546 }
2547
5aebe7c7 2548 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2549 }
2550
2551 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2552 return 0;
2553}
2554
583958fa
ML		 2555/**
2556 * manifest_new_ver - Create a new version of manifest from the old version
2557 * of source.
8abab35f 2558 * @tplg: topology context
583958fa
ML		 2559 * @src: old version of manifest as a source
2560 * @manifest: latest version of manifest created from the source
2561 *
2562 * Support from vesion 4. Users need free the returned manifest manually.
2563 */
2564static int manifest_new_ver(struct soc_tplg *tplg,
2565 struct snd_soc_tplg_manifest *src,
2566 struct snd_soc_tplg_manifest **manifest)
2567{
2568 struct snd_soc_tplg_manifest *dest;
2569 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2570 int size;
583958fa
ML		 2571
2572 *manifest = NULL;
2573
5aebe7c7
PLB		 2574 size = le32_to_cpu(src->size);
2575 if (size != sizeof(*src_v4)) {
ac9391da 2576 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2577 size);
2578 if (size)
ac9391da 2579 return -EINVAL;
5aebe7c7 2580 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2581 }
2582
2583 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2584
2585 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2586 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2587 GFP_KERNEL);
583958fa
ML		 2588 if (!dest)
2589 return -ENOMEM;
2590
5aebe7c7 2591 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2592 dest->control_elems = src_v4->control_elems;
2593 dest->widget_elems = src_v4->widget_elems;
2594 dest->graph_elems = src_v4->graph_elems;
2595 dest->pcm_elems = src_v4->pcm_elems;
2596 dest->dai_link_elems = src_v4->dai_link_elems;
2597 dest->priv.size = src_v4->priv.size;
2598 if (dest->priv.size)
2599 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2600 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2601
2602 *manifest = dest;
2603 return 0;
2604}
0038be9a 2605
8a978234 2606static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2607 struct snd_soc_tplg_hdr *hdr)
8a978234 2608{
583958fa
ML		 2609 struct snd_soc_tplg_manifest *manifest, *_manifest;
2610 bool abi_match;
242c46c0 2611 int ret = 0;
8a978234
LG		 2612
2613 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2614 return 0;
2615
2616 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2617
583958fa 2618 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2619 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2620 abi_match = true;
2621 _manifest = manifest;
2622 } else {
2623 abi_match = false;
242c46c0
DT		 2624 ret = manifest_new_ver(tplg, manifest, &_manifest);
2625 if (ret < 0)
2626 return ret;
583958fa 2627 }
8a978234 2628
583958fa 2629 /* pass control to component driver for optional further init */
c42464a4 2630 if (tplg->ops && tplg->ops->manifest)
242c46c0 2631 ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2632
2633 if (!abi_match) /* free the duplicated one */
2634 kfree(_manifest);
8a978234 2635
242c46c0 2636 return ret;
8a978234
LG		 2637}
2638
2639/* validate header magic, size and type */
2640static int soc_valid_header(struct soc_tplg *tplg,
2641 struct snd_soc_tplg_hdr *hdr)
2642{
2643 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2644 return 0;
2645
5aebe7c7 2646 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2647 dev_err(tplg->dev,
2648 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2649 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2650 tplg->fw->size);
2651 return -EINVAL;
2652 }
2653
8a978234 2654 /* big endian firmware objects not supported atm */
26d87881 2655 if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2656 dev_err(tplg->dev,
2657 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2658 tplg->pass, hdr->magic,
2659 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2660 return -EINVAL;
2661 }
2662
5aebe7c7 2663 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2664 dev_err(tplg->dev,
2665 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2666 tplg->pass, hdr->magic,
2667 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2668 return -EINVAL;
2669 }
2670
288b8da7 2671 /* Support ABI from version 4 */
5aebe7c7
PLB		 2672 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2673 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2674 dev_err(tplg->dev,
2675 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2676 tplg->pass, hdr->abi,
2677 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2678 tplg->fw->size);
2679 return -EINVAL;
2680 }
2681
2682 if (hdr->payload_size == 0) {
2683 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2684 soc_tplg_get_hdr_offset(tplg));
2685 return -EINVAL;
2686 }
2687
5aebe7c7 2688 if (tplg->pass == le32_to_cpu(hdr->type))
8a978234
LG		 2689 dev_dbg(tplg->dev,
2690 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2691 hdr->payload_size, hdr->type, hdr->version,
2692 hdr->vendor_type, tplg->pass);
2693
2694 return 1;
2695}
2696
2697/* check header type and call appropriate handler */
2698static int soc_tplg_load_header(struct soc_tplg *tplg,
2699 struct snd_soc_tplg_hdr *hdr)
2700{
2701 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2702
2703 /* check for matching ID */
5aebe7c7 2704 if (le32_to_cpu(hdr->index) != tplg->req_index &&
bb97142b 2705 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2706 return 0;
2707
5aebe7c7 2708 tplg->index = le32_to_cpu(hdr->index);
8a978234 2709
5aebe7c7 2710 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2711 case SND_SOC_TPLG_TYPE_MIXER:
2712 case SND_SOC_TPLG_TYPE_ENUM:
2713 case SND_SOC_TPLG_TYPE_BYTES:
2714 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2715 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2716 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2717 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2718 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2719 case SND_SOC_TPLG_TYPE_PCM:
64527e8a 2720 return soc_tplg_pcm_elems_load(tplg, hdr);
3fbf7935 2721 case SND_SOC_TPLG_TYPE_DAI:
9aa3f034 2722 return soc_tplg_dai_elems_load(tplg, hdr);
593d9e52
ML		 2723 case SND_SOC_TPLG_TYPE_DAI_LINK:
2724 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2725 /* physical link configurations */
2726 return soc_tplg_link_elems_load(tplg, hdr);
8a978234
LG		 2727 case SND_SOC_TPLG_TYPE_MANIFEST:
2728 return soc_tplg_manifest_load(tplg, hdr);
2729 default:
2730 /* bespoke vendor data object */
2731 return soc_tplg_vendor_load(tplg, hdr);
2732 }
2733
2734 return 0;
2735}
2736
2737/* process the topology file headers */
2738static int soc_tplg_process_headers(struct soc_tplg *tplg)
2739{
2740 struct snd_soc_tplg_hdr *hdr;
2741 int ret;
2742
2743 tplg->pass = SOC_TPLG_PASS_START;
2744
2745 /* process the header types from start to end */
2746 while (tplg->pass <= SOC_TPLG_PASS_END) {
2747
2748 tplg->hdr_pos = tplg->fw->data;
2749 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2750
2751 while (!soc_tplg_is_eof(tplg)) {
2752
2753 /* make sure header is valid before loading */
2754 ret = soc_valid_header(tplg, hdr);
2755 if (ret < 0)
2756 return ret;
2757 else if (ret == 0)
2758 break;
2759
2760 /* load the header object */
2761 ret = soc_tplg_load_header(tplg, hdr);
2762 if (ret < 0)
2763 return ret;
2764
2765 /* goto next header */
5aebe7c7 2766 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2767 sizeof(struct snd_soc_tplg_hdr);
2768 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2769 }
2770
2771 /* next data type pass */
2772 tplg->pass++;
2773 }
2774
2775 /* signal DAPM we are complete */
2776 ret = soc_tplg_dapm_complete(tplg);
2777 if (ret < 0)
2778 dev_err(tplg->dev,
2779 "ASoC: failed to initialise DAPM from Firmware\n");
2780
2781 return ret;
2782}
2783
2784static int soc_tplg_load(struct soc_tplg *tplg)
2785{
2786 int ret;
2787
2788 ret = soc_tplg_process_headers(tplg);
2789 if (ret == 0)
2790 soc_tplg_complete(tplg);
2791
2792 return ret;
2793}
2794
2795/* load audio component topology from "firmware" file */
2796int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2797 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2798{
2799 struct soc_tplg tplg;
304017d3 2800 int ret;
8a978234 2801
c42464a4
AS		 2802 /* component needs to exist to keep and reference data while parsing */
2803 if (!comp)
2804 return -EINVAL;
8a978234
LG		 2805
2806 /* setup parsing context */
2807 memset(&tplg, 0, sizeof(tplg));
2808 tplg.fw = fw;
2809 tplg.dev = comp->dev;
2810 tplg.comp = comp;
2811 tplg.ops = ops;
2812 tplg.req_index = id;
2813 tplg.io_ops = ops->io_ops;
2814 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2815 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2816 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234 2817
304017d3
B		 2818 ret = soc_tplg_load(&tplg);
2819 /* free the created components if fail to load topology */
2820 if (ret)
2821 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2822
2823 return ret;
8a978234
LG		 2824}
2825EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2826
2827/* remove this dynamic widget */
2828void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2829{
2830 /* make sure we are a widget */
2831 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2832 return;
2833
2834 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2835}
2836EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2837
2838/* remove all dynamic widgets from this DAPM context */
2839void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2840 u32 index)
2841{
2842 struct snd_soc_dapm_widget *w, *next_w;
8a978234 2843
14596692 2844 for_each_card_widgets_safe(dapm->card, w, next_w) {
8a978234
LG		 2845
2846 /* make sure we are a widget with correct context */
2847 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2848 continue;
2849
2850 /* match ID */
2851 if (w->dobj.index != index &&
2852 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2853 continue;
8a978234
LG		 2854 /* check and free and dynamic widget kcontrols */
2855 snd_soc_tplg_widget_remove(w);
b97e2698 2856 snd_soc_dapm_free_widget(w);
8a978234 2857 }
fd589a1b 2858 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2859}
2860EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2861
2862/* remove dynamic controls from the component driver */
2863int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2864{
2865 struct snd_soc_dobj *dobj, *next_dobj;
2866 int pass = SOC_TPLG_PASS_END;
2867
2868 /* process the header types from end to start */
2869 while (pass >= SOC_TPLG_PASS_START) {
2870
2871 /* remove mixer controls */
2872 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2873 list) {
2874
2875 /* match index */
2876 if (dobj->index != index &&
feb12f0c 2877 index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2878 continue;
2879
2880 switch (dobj->type) {
2881 case SND_SOC_DOBJ_MIXER:
2882 remove_mixer(comp, dobj, pass);
2883 break;
2884 case SND_SOC_DOBJ_ENUM:
2885 remove_enum(comp, dobj, pass);
2886 break;
2887 case SND_SOC_DOBJ_BYTES:
2888 remove_bytes(comp, dobj, pass);
2889 break;
7df04ea7
RS		 2890 case SND_SOC_DOBJ_GRAPH:
2891 remove_route(comp, dobj, pass);
2892 break;
8a978234
LG		 2893 case SND_SOC_DOBJ_WIDGET:
2894 remove_widget(comp, dobj, pass);
2895 break;
2896 case SND_SOC_DOBJ_PCM:
64527e8a 2897 remove_dai(comp, dobj, pass);
8a978234 2898 break;
acfc7d46
ML		 2899 case SND_SOC_DOBJ_DAI_LINK:
2900 remove_link(comp, dobj, pass);
2901 break;
adfebb51
B		 2902 case SND_SOC_DOBJ_BACKEND_LINK:
2903 /*
2904 * call link_unload ops if extra
2905 * deinitialization is needed.
2906 */
2907 remove_backend_link(comp, dobj, pass);
2908 break;
8a978234
LG		 2909 default:
2910 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2911 dobj->type);
2912 break;
2913 }
2914 }
2915 pass--;
2916 }
2917
2918 /* let caller know if FW can be freed when no objects are left */
2919 return !list_empty(&comp->dobj_list);
2920}
2921EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
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