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ASoC: pcm: Fix possible buffer overflow in dpcm state sysfs output
[linux-2.6-block.git] / sound / soc / soc-topology.c
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f2b6a1b2
KM		 1// SPDX-License-Identifier: GPL-2.0+
2//
3// soc-topology.c -- ALSA SoC Topology
4//
5// Copyright (C) 2012 Texas Instruments Inc.
6// Copyright (C) 2015 Intel Corporation.
7//
8// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
9// K, Mythri P <mythri.p.k@intel.com>
10// Prusty, Subhransu S <subhransu.s.prusty@intel.com>
11// B, Jayachandran <jayachandran.b@intel.com>
12// Abdullah, Omair M <omair.m.abdullah@intel.com>
13// Jin, Yao <yao.jin@intel.com>
14// Lin, Mengdong <mengdong.lin@intel.com>
15//
16// Add support to read audio firmware topology alongside firmware text. The
17// topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
18// equalizers, firmware, coefficients etc.
19//
20// This file only manages the core ALSA and ASoC components, all other bespoke
21// firmware topology data is passed to component drivers for bespoke handling.
8a978234
LG		 22
23#include <linux/kernel.h>
24#include <linux/export.h>
25#include <linux/list.h>
26#include <linux/firmware.h>
27#include <linux/slab.h>
28#include <sound/soc.h>
29#include <sound/soc-dapm.h>
30#include <sound/soc-topology.h>
28a87eeb 31#include <sound/tlv.h>
8a978234 32
2114171d
PLB		 33#define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
34
8a978234
LG		 35/*
36 * We make several passes over the data (since it wont necessarily be ordered)
37 * and process objects in the following order. This guarantees the component
38 * drivers will be ready with any vendor data before the mixers and DAPM objects
39 * are loaded (that may make use of the vendor data).
40 */
41#define SOC_TPLG_PASS_MANIFEST 0
42#define SOC_TPLG_PASS_VENDOR 1
43#define SOC_TPLG_PASS_MIXER 2
44#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 45#define SOC_TPLG_PASS_PCM_DAI 4
46#define SOC_TPLG_PASS_GRAPH 5
47#define SOC_TPLG_PASS_PINS 6
0038be9a 48#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 49#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 50
51#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 52#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 53
583958fa 54/* topology context */
8a978234
LG		 55struct soc_tplg {
56 const struct firmware *fw;
57
58 /* runtime FW parsing */
59 const u8 *pos; /* read postion */
60 const u8 *hdr_pos; /* header position */
61 unsigned int pass; /* pass number */
62
63 /* component caller */
64 struct device *dev;
65 struct snd_soc_component *comp;
66 u32 index; /* current block index */
67 u32 req_index; /* required index, only loaded/free matching blocks */
68
88a17d8f 69 /* vendor specific kcontrol operations */
8a978234
LG		 70 const struct snd_soc_tplg_kcontrol_ops *io_ops;
71 int io_ops_count;
72
1a3232d2
ML		 73 /* vendor specific bytes ext handlers, for TLV bytes controls */
74 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
75 int bytes_ext_ops_count;
76
8a978234
LG		 77 /* optional fw loading callbacks to component drivers */
78 struct snd_soc_tplg_ops *ops;
79};
80
81static int soc_tplg_process_headers(struct soc_tplg *tplg);
82static void soc_tplg_complete(struct soc_tplg *tplg);
3cde818c
AS		 83static void soc_tplg_denum_remove_texts(struct soc_enum *se);
84static void soc_tplg_denum_remove_values(struct soc_enum *se);
8a978234
LG		 85
86/* check we dont overflow the data for this control chunk */
87static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
88 unsigned int count, size_t bytes, const char *elem_type)
89{
90 const u8 *end = tplg->pos + elem_size * count;
91
92 if (end > tplg->fw->data + tplg->fw->size) {
93 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
94 elem_type);
95 return -EINVAL;
96 }
97
98 /* check there is enough room in chunk for control.
99 extra bytes at the end of control are for vendor data here */
100 if (elem_size * count > bytes) {
101 dev_err(tplg->dev,
102 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
103 elem_type, count, elem_size, bytes);
104 return -EINVAL;
105 }
106
107 return 0;
108}
109
110static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
111{
112 const u8 *end = tplg->hdr_pos;
113
114 if (end >= tplg->fw->data + tplg->fw->size)
115 return 1;
116 return 0;
117}
118
119static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
120{
121 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
122}
123
124static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
125{
126 return (unsigned long)(tplg->pos - tplg->fw->data);
127}
128
129/* mapping of Kcontrol types and associated operations. */
130static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
131 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
132 snd_soc_put_volsw, snd_soc_info_volsw},
133 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
134 snd_soc_put_volsw_sx, NULL},
135 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
136 snd_soc_put_enum_double, snd_soc_info_enum_double},
137 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
138 snd_soc_put_enum_double, NULL},
139 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
140 snd_soc_bytes_put, snd_soc_bytes_info},
141 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
142 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
143 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
144 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
145 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
146 snd_soc_put_strobe, NULL},
147 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 148 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 149 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
150 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
151 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
152 snd_soc_dapm_put_enum_double, NULL},
153 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
154 snd_soc_dapm_put_enum_double, NULL},
155 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
156 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
157};
158
159struct soc_tplg_map {
160 int uid;
161 int kid;
162};
163
164/* mapping of widget types from UAPI IDs to kernel IDs */
165static const struct soc_tplg_map dapm_map[] = {
166 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
167 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
168 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
169 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
170 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
171 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
172 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
173 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
174 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
175 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
176 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
177 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
178 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
179 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
180 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
181 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 182 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
183 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
184 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
185 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
186 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
187 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
188 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
189 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 190};
191
192static int tplc_chan_get_reg(struct soc_tplg *tplg,
193 struct snd_soc_tplg_channel *chan, int map)
194{
195 int i;
196
197 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 198 if (le32_to_cpu(chan[i].id) == map)
199 return le32_to_cpu(chan[i].reg);
8a978234
LG		 200 }
201
202 return -EINVAL;
203}
204
205static int tplc_chan_get_shift(struct soc_tplg *tplg,
206 struct snd_soc_tplg_channel *chan, int map)
207{
208 int i;
209
210 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
5aebe7c7
PLB		 211 if (le32_to_cpu(chan[i].id) == map)
212 return le32_to_cpu(chan[i].shift);
8a978234
LG		 213 }
214
215 return -EINVAL;
216}
217
218static int get_widget_id(int tplg_type)
219{
220 int i;
221
222 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
223 if (tplg_type == dapm_map[i].uid)
224 return dapm_map[i].kid;
225 }
226
227 return -EINVAL;
228}
229
8a978234
LG		 230static inline void soc_bind_err(struct soc_tplg *tplg,
231 struct snd_soc_tplg_ctl_hdr *hdr, int index)
232{
233 dev_err(tplg->dev,
234 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
235 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
236 soc_tplg_get_offset(tplg));
237}
238
239static inline void soc_control_err(struct soc_tplg *tplg,
240 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
241{
242 dev_err(tplg->dev,
243 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
244 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
245 soc_tplg_get_offset(tplg));
246}
247
248/* pass vendor data to component driver for processing */
249static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
250 struct snd_soc_tplg_hdr *hdr)
251{
252 int ret = 0;
253
254 if (tplg->comp && 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{
286 if (tplg->comp && 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{
298 if (tplg->comp && 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{
64527e8a 310 if (tplg->comp && 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
ML		 320{
321 if (tplg->comp && 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{
330 if (tplg->comp && tplg->ops && tplg->ops->complete)
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,
365 comp->dev, k, NULL, comp, kcontrol);
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
551 list_del(&dobj->list);
50cd9b53
KM		 552 snd_soc_remove_pcm_runtime(comp->card,
553 snd_soc_get_pcm_runtime(comp->card, link));
72b46612
DT		 554
555 kfree(link->name);
556 kfree(link->stream_name);
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{
687 if (tplg->comp && 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
B		 896 /* create any TLV data */
897 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
898
8a978234
LG		 899 /* pass control to driver for optional further init */
900 err = soc_tplg_init_kcontrol(tplg, &kc,
901 (struct snd_soc_tplg_ctl_hdr *) mc);
902 if (err < 0) {
903 dev_err(tplg->dev, "ASoC: failed to init %s\n",
904 mc->hdr.name);
3789debf 905 soc_tplg_free_tlv(tplg, &kc);
8a978234
LG		 906 kfree(sm);
907 continue;
908 }
909
8a978234
LG		 910 /* register control here */
911 err = soc_tplg_add_kcontrol(tplg, &kc,
912 &sm->dobj.control.kcontrol);
913 if (err < 0) {
914 dev_err(tplg->dev, "ASoC: failed to add %s\n",
915 mc->hdr.name);
916 soc_tplg_free_tlv(tplg, &kc);
917 kfree(sm);
918 continue;
919 }
920
921 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
922 }
923
924 return 0;
925}
926
927static int soc_tplg_denum_create_texts(struct soc_enum *se,
928 struct snd_soc_tplg_enum_control *ec)
929{
930 int i, ret;
931
932 se->dobj.control.dtexts =
5aebe7c7 933 kcalloc(le32_to_cpu(ec->items), sizeof(char *), GFP_KERNEL);
8a978234
LG		 934 if (se->dobj.control.dtexts == NULL)
935 return -ENOMEM;
936
72bbeda0 937 for (i = 0; i < le32_to_cpu(ec->items); i++) {
8a978234
LG		 938
939 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
940 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
941 ret = -EINVAL;
942 goto err;
943 }
944
945 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
946 if (!se->dobj.control.dtexts[i]) {
947 ret = -ENOMEM;
948 goto err;
949 }
950 }
951
3cde818c 952 se->items = le32_to_cpu(ec->items);
b6e38b29 953 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 954 return 0;
955
956err:
3cde818c
AS		 957 se->items = i;
958 soc_tplg_denum_remove_texts(se);
959 return ret;
960}
961
962static inline void soc_tplg_denum_remove_texts(struct soc_enum *se)
963{
964 int i = se->items;
965
8a978234
LG		 966 for (--i; i >= 0; i--)
967 kfree(se->dobj.control.dtexts[i]);
968 kfree(se->dobj.control.dtexts);
8a978234
LG		 969}
970
971static int soc_tplg_denum_create_values(struct soc_enum *se,
972 struct snd_soc_tplg_enum_control *ec)
973{
5aebe7c7
PLB		 974 int i;
975
976 if (le32_to_cpu(ec->items) > sizeof(*ec->values))
8a978234
LG		 977 return -EINVAL;
978
5aebe7c7
PLB		 979 se->dobj.control.dvalues = kzalloc(le32_to_cpu(ec->items) *
980 sizeof(u32),
376c0afe 981 GFP_KERNEL);
8a978234
LG		 982 if (!se->dobj.control.dvalues)
983 return -ENOMEM;
984
5aebe7c7
PLB		 985 /* convert from little-endian */
986 for (i = 0; i < le32_to_cpu(ec->items); i++) {
987 se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]);
988 }
989
8a978234
LG		 990 return 0;
991}
992
3cde818c
AS		 993static inline void soc_tplg_denum_remove_values(struct soc_enum *se)
994{
995 kfree(se->dobj.control.dvalues);
996}
997
8a978234
LG		 998static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
999 size_t size)
1000{
1001 struct snd_soc_tplg_enum_control *ec;
1002 struct soc_enum *se;
1003 struct snd_kcontrol_new kc;
1004 int i, ret, err;
1005
1006 if (soc_tplg_check_elem_count(tplg,
1007 sizeof(struct snd_soc_tplg_enum_control),
1008 count, size, "enums")) {
1009
1010 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
1011 count);
1012 return -EINVAL;
1013 }
1014
1015 for (i = 0; i < count; i++) {
1016 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
8a978234
LG		 1017
1018 /* validate kcontrol */
1019 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1020 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1021 return -EINVAL;
1022
1023 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1024 if (se == NULL)
1025 return -ENOMEM;
1026
02b64245 1027 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
5aebe7c7 1028 le32_to_cpu(ec->priv.size));
02b64245 1029
8a978234
LG		 1030 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1031 ec->hdr.name, ec->items);
1032
1033 memset(&kc, 0, sizeof(kc));
1034 kc.name = ec->hdr.name;
1035 kc.private_value = (long)se;
1036 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
5aebe7c7 1037 kc.access = le32_to_cpu(ec->hdr.access);
8a978234
LG		 1038
1039 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1040 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1041 SNDRV_CHMAP_FL);
1042 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1043 SNDRV_CHMAP_FL);
1044
5aebe7c7 1045 se->mask = le32_to_cpu(ec->mask);
8a978234
LG		 1046 se->dobj.index = tplg->index;
1047 se->dobj.type = SND_SOC_DOBJ_ENUM;
1048 se->dobj.ops = tplg->ops;
1049 INIT_LIST_HEAD(&se->dobj.list);
1050
5aebe7c7 1051 switch (le32_to_cpu(ec->hdr.ops.info)) {
8a978234
LG		 1052 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1053 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1054 err = soc_tplg_denum_create_values(se, ec);
1055 if (err < 0) {
1056 dev_err(tplg->dev,
1057 "ASoC: could not create values for %s\n",
1058 ec->hdr.name);
1059 kfree(se);
1060 continue;
1061 }
9c6c4d96 1062 /* fall through */
8a978234
LG		 1063 case SND_SOC_TPLG_CTL_ENUM:
1064 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1065 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1066 err = soc_tplg_denum_create_texts(se, ec);
1067 if (err < 0) {
1068 dev_err(tplg->dev,
1069 "ASoC: could not create texts for %s\n",
1070 ec->hdr.name);
1071 kfree(se);
1072 continue;
1073 }
1074 break;
1075 default:
1076 dev_err(tplg->dev,
1077 "ASoC: invalid enum control type %d for %s\n",
1078 ec->hdr.ops.info, ec->hdr.name);
1079 kfree(se);
1080 continue;
1081 }
1082
1083 /* map io handlers */
2b5cdb91 1084 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1085 if (err) {
1086 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1087 kfree(se);
1088 continue;
1089 }
1090
1091 /* pass control to driver for optional further init */
1092 err = soc_tplg_init_kcontrol(tplg, &kc,
1093 (struct snd_soc_tplg_ctl_hdr *) ec);
1094 if (err < 0) {
1095 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1096 ec->hdr.name);
1097 kfree(se);
1098 continue;
1099 }
1100
1101 /* register control here */
1102 ret = soc_tplg_add_kcontrol(tplg,
1103 &kc, &se->dobj.control.kcontrol);
1104 if (ret < 0) {
1105 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1106 ec->hdr.name);
1107 kfree(se);
1108 continue;
1109 }
1110
1111 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1112 }
1113
1114 return 0;
1115}
1116
1117static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1118 struct snd_soc_tplg_hdr *hdr)
1119{
1120 struct snd_soc_tplg_ctl_hdr *control_hdr;
1121 int i;
1122
1123 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
5aebe7c7
PLB		 1124 tplg->pos += le32_to_cpu(hdr->size) +
1125 le32_to_cpu(hdr->payload_size);
8a978234
LG		 1126 return 0;
1127 }
1128
1129 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1130 soc_tplg_get_offset(tplg));
1131
5aebe7c7 1132 for (i = 0; i < le32_to_cpu(hdr->count); i++) {
8a978234
LG		 1133
1134 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1135
5aebe7c7 1136 if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) {
06eb49f7
ML		 1137 dev_err(tplg->dev, "ASoC: invalid control size\n");
1138 return -EINVAL;
1139 }
1140
5aebe7c7 1141 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1142 case SND_SOC_TPLG_CTL_VOLSW:
1143 case SND_SOC_TPLG_CTL_STROBE:
1144 case SND_SOC_TPLG_CTL_VOLSW_SX:
1145 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1146 case SND_SOC_TPLG_CTL_RANGE:
1147 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1148 case SND_SOC_TPLG_DAPM_CTL_PIN:
5aebe7c7
PLB		 1149 soc_tplg_dmixer_create(tplg, 1,
1150 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1151 break;
1152 case SND_SOC_TPLG_CTL_ENUM:
1153 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1154 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1155 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1156 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
5aebe7c7
PLB		 1157 soc_tplg_denum_create(tplg, 1,
1158 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1159 break;
1160 case SND_SOC_TPLG_CTL_BYTES:
5aebe7c7
PLB		 1161 soc_tplg_dbytes_create(tplg, 1,
1162 le32_to_cpu(hdr->payload_size));
8a978234
LG		 1163 break;
1164 default:
1165 soc_bind_err(tplg, control_hdr, i);
1166 return -EINVAL;
1167 }
1168 }
1169
1170 return 0;
1171}
1172
503e79b7
LG		 1173/* optionally pass new dynamic kcontrol to component driver. */
1174static int soc_tplg_add_route(struct soc_tplg *tplg,
1175 struct snd_soc_dapm_route *route)
1176{
1177 if (tplg->comp && tplg->ops && tplg->ops->dapm_route_load)
1178 return tplg->ops->dapm_route_load(tplg->comp, tplg->index,
1179 route);
1180
1181 return 0;
1182}
1183
8a978234
LG		 1184static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1185 struct snd_soc_tplg_hdr *hdr)
1186{
1187 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
8a978234 1188 struct snd_soc_tplg_dapm_graph_elem *elem;
7df04ea7 1189 struct snd_soc_dapm_route **routes;
5aebe7c7 1190 int count, i, j;
7df04ea7 1191 int ret = 0;
8a978234 1192
5aebe7c7
PLB		 1193 count = le32_to_cpu(hdr->count);
1194
8a978234 1195 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
5aebe7c7
PLB		 1196 tplg->pos +=
1197 le32_to_cpu(hdr->size) +
1198 le32_to_cpu(hdr->payload_size);
1199
8a978234
LG		 1200 return 0;
1201 }
1202
1203 if (soc_tplg_check_elem_count(tplg,
1204 sizeof(struct snd_soc_tplg_dapm_graph_elem),
5aebe7c7 1205 count, le32_to_cpu(hdr->payload_size), "graph")) {
8a978234
LG		 1206
1207 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1208 count);
1209 return -EINVAL;
1210 }
1211
b75a6511
LG		 1212 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1213 hdr->index);
8a978234 1214
7df04ea7
RS		 1215 /* allocate memory for pointer to array of dapm routes */
1216 routes = kcalloc(count, sizeof(struct snd_soc_dapm_route *),
1217 GFP_KERNEL);
1218 if (!routes)
1219 return -ENOMEM;
1220
1221 /*
1222 * allocate memory for each dapm route in the array.
1223 * This needs to be done individually so that
1224 * each route can be freed when it is removed in remove_route().
1225 */
1226 for (i = 0; i < count; i++) {
1227 routes[i] = kzalloc(sizeof(*routes[i]), GFP_KERNEL);
1228 if (!routes[i]) {
1229 /* free previously allocated memory */
1230 for (j = 0; j < i; j++)
1231 kfree(routes[j]);
1232
1233 kfree(routes);
1234 return -ENOMEM;
1235 }
1236 }
1237
8a978234
LG		 1238 for (i = 0; i < count; i++) {
1239 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1240 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1241
1242 /* validate routes */
1243 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1244 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1245 ret = -EINVAL;
1246 break;
1247 }
8a978234 1248 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1249 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1250 ret = -EINVAL;
1251 break;
1252 }
8a978234 1253 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
7df04ea7
RS		 1254 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
1255 ret = -EINVAL;
1256 break;
1257 }
1258
1259 routes[i]->source = elem->source;
1260 routes[i]->sink = elem->sink;
8a978234 1261
7df04ea7
RS		 1262 /* set to NULL atm for tplg users */
1263 routes[i]->connected = NULL;
8a978234 1264 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
7df04ea7 1265 routes[i]->control = NULL;
8a978234 1266 else
7df04ea7
RS		 1267 routes[i]->control = elem->control;
1268
1269 /* add route dobj to dobj_list */
1270 routes[i]->dobj.type = SND_SOC_DOBJ_GRAPH;
1271 routes[i]->dobj.ops = tplg->ops;
1272 routes[i]->dobj.index = tplg->index;
1273 list_add(&routes[i]->dobj.list, &tplg->comp->dobj_list);
8a978234 1274
7df04ea7 1275 soc_tplg_add_route(tplg, routes[i]);
503e79b7 1276
8a978234 1277 /* add route, but keep going if some fail */
7df04ea7 1278 snd_soc_dapm_add_routes(dapm, routes[i], 1);
8a978234
LG		 1279 }
1280
7df04ea7
RS		 1281 /* free memory allocated for all dapm routes in case of error */
1282 if (ret < 0)
1283 for (i = 0; i < count ; i++)
1284 kfree(routes[i]);
1285
1286 /*
1287 * free pointer to array of dapm routes as this is no longer needed.
1288 * The memory allocated for each dapm route will be freed
1289 * when it is removed in remove_route().
1290 */
1291 kfree(routes);
1292
1293 return ret;
8a978234
LG		 1294}
1295
1296static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1297 struct soc_tplg *tplg, int num_kcontrols)
1298{
1299 struct snd_kcontrol_new *kc;
1300 struct soc_mixer_control *sm;
1301 struct snd_soc_tplg_mixer_control *mc;
1302 int i, err;
1303
4ca7deb1 1304 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1305 if (kc == NULL)
1306 return NULL;
1307
1308 for (i = 0; i < num_kcontrols; i++) {
1309 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
8a978234 1310
8a978234
LG		 1311 /* validate kcontrol */
1312 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1313 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a
AS		 1314 goto err_sm;
1315
1316 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1317 if (sm == NULL)
1318 goto err_sm;
8a978234 1319
02b64245 1320 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
5aebe7c7 1321 le32_to_cpu(mc->priv.size));
02b64245 1322
8a978234
LG		 1323 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1324 mc->hdr.name, i);
1325
1ad741d0 1326 kc[i].private_value = (long)sm;
267e2c6f
LG		 1327 kc[i].name = kstrdup(mc->hdr.name, GFP_KERNEL);
1328 if (kc[i].name == NULL)
9f90af3a 1329 goto err_sm;
8a978234 1330 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1331 kc[i].access = le32_to_cpu(mc->hdr.access);
8a978234
LG		 1332
1333 /* we only support FL/FR channel mapping atm */
1334 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1335 SNDRV_CHMAP_FL);
1336 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1337 SNDRV_CHMAP_FR);
1338 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1339 SNDRV_CHMAP_FL);
1340 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1341 SNDRV_CHMAP_FR);
1342
72bbeda0
PLB		 1343 sm->max = le32_to_cpu(mc->max);
1344 sm->min = le32_to_cpu(mc->min);
1345 sm->invert = le32_to_cpu(mc->invert);
1346 sm->platform_max = le32_to_cpu(mc->platform_max);
8a978234
LG		 1347 sm->dobj.index = tplg->index;
1348 INIT_LIST_HEAD(&sm->dobj.list);
1349
1350 /* map io handlers */
2b5cdb91 1351 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1352 if (err) {
1353 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
9f90af3a 1354 goto err_sm;
8a978234
LG		 1355 }
1356
3789debf
B		 1357 /* create any TLV data */
1358 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
1359
8a978234
LG		 1360 /* pass control to driver for optional further init */
1361 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1362 (struct snd_soc_tplg_ctl_hdr *)mc);
1363 if (err < 0) {
1364 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1365 mc->hdr.name);
3789debf 1366 soc_tplg_free_tlv(tplg, &kc[i]);
9f90af3a 1367 goto err_sm;
8a978234
LG		 1368 }
1369 }
1370 return kc;
1371
9f90af3a
AS		 1372err_sm:
1373 for (; i >= 0; i--) {
1374 sm = (struct soc_mixer_control *)kc[i].private_value;
1375 kfree(sm);
267e2c6f
LG		 1376 kfree(kc[i].name);
1377 }
8a978234 1378 kfree(kc);
9f90af3a 1379
8a978234
LG		 1380 return NULL;
1381}
1382
1383static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1384 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1385{
1386 struct snd_kcontrol_new *kc;
1387 struct snd_soc_tplg_enum_control *ec;
1388 struct soc_enum *se;
3cde818c 1389 int i, err;
8a978234 1390
1a7dd6e2 1391 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1392 if (kc == NULL)
1393 return NULL;
1394
1a7dd6e2
ML		 1395 for (i = 0; i < num_kcontrols; i++) {
1396 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1397 /* validate kcontrol */
1398 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1399 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1400 goto err_se;
1a7dd6e2
ML		 1401
1402 se = kzalloc(sizeof(*se), GFP_KERNEL);
1403 if (se == NULL)
9f90af3a 1404 goto err_se;
8a978234 1405
02b64245 1406 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
72bbeda0 1407 le32_to_cpu(ec->priv.size));
02b64245 1408
1a7dd6e2
ML		 1409 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1410 ec->hdr.name);
8a978234 1411
1ad741d0 1412 kc[i].private_value = (long)se;
267e2c6f 1413 kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
9f90af3a 1414 if (kc[i].name == NULL)
267e2c6f 1415 goto err_se;
1a7dd6e2 1416 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1417 kc[i].access = le32_to_cpu(ec->hdr.access);
8a978234 1418
1a7dd6e2
ML		 1419 /* we only support FL/FR channel mapping atm */
1420 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1421 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1422 SNDRV_CHMAP_FL);
1423 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1424 SNDRV_CHMAP_FR);
8a978234 1425
72bbeda0
PLB		 1426 se->items = le32_to_cpu(ec->items);
1427 se->mask = le32_to_cpu(ec->mask);
1a7dd6e2 1428 se->dobj.index = tplg->index;
8a978234 1429
5aebe7c7 1430 switch (le32_to_cpu(ec->hdr.ops.info)) {
1a7dd6e2
ML		 1431 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1432 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1433 err = soc_tplg_denum_create_values(se, ec);
1434 if (err < 0) {
1435 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1436 ec->hdr.name);
1437 goto err_se;
1438 }
9c6c4d96 1439 /* fall through */
1a7dd6e2
ML		 1440 case SND_SOC_TPLG_CTL_ENUM:
1441 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1442 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1443 err = soc_tplg_denum_create_texts(se, ec);
1444 if (err < 0) {
1445 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1446 ec->hdr.name);
1447 goto err_se;
1448 }
1449 break;
1450 default:
1451 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1452 ec->hdr.ops.info, ec->hdr.name);
8a978234
LG		 1453 goto err_se;
1454 }
1a7dd6e2
ML		 1455
1456 /* map io handlers */
1457 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1458 if (err) {
1459 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1460 goto err_se;
1461 }
1462
1463 /* pass control to driver for optional further init */
1464 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1465 (struct snd_soc_tplg_ctl_hdr *)ec);
8a978234 1466 if (err < 0) {
1a7dd6e2 1467 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1468 ec->hdr.name);
1469 goto err_se;
1470 }
8a978234
LG		 1471 }
1472
1473 return kc;
1474
1475err_se:
1a7dd6e2
ML		 1476 for (; i >= 0; i--) {
1477 /* free values and texts */
1478 se = (struct soc_enum *)kc[i].private_value;
6d5574ed 1479
9f90af3a
AS		 1480 if (se) {
1481 soc_tplg_denum_remove_values(se);
1482 soc_tplg_denum_remove_texts(se);
1483 }
8a978234 1484
1a7dd6e2 1485 kfree(se);
267e2c6f 1486 kfree(kc[i].name);
1a7dd6e2 1487 }
8a978234
LG		 1488 kfree(kc);
1489
1490 return NULL;
1491}
1492
1493static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
9f90af3a 1494 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1495{
1496 struct snd_soc_tplg_bytes_control *be;
9f90af3a 1497 struct soc_bytes_ext *sbe;
8a978234
LG		 1498 struct snd_kcontrol_new *kc;
1499 int i, err;
1500
9f90af3a 1501 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1502 if (!kc)
1503 return NULL;
1504
9f90af3a 1505 for (i = 0; i < num_kcontrols; i++) {
8a978234
LG		 1506 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1507
1508 /* validate kcontrol */
1509 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1510 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
9f90af3a 1511 goto err_sbe;
8a978234
LG		 1512
1513 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1514 if (sbe == NULL)
9f90af3a 1515 goto err_sbe;
8a978234
LG		 1516
1517 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
5aebe7c7 1518 le32_to_cpu(be->priv.size));
8a978234
LG		 1519
1520 dev_dbg(tplg->dev,
1521 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1522 be->hdr.name, be->hdr.access);
1523
1ad741d0 1524 kc[i].private_value = (long)sbe;
267e2c6f 1525 kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
9f90af3a
AS		 1526 if (kc[i].name == NULL)
1527 goto err_sbe;
8a978234 1528 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
72bbeda0 1529 kc[i].access = le32_to_cpu(be->hdr.access);
8a978234 1530
72bbeda0 1531 sbe->max = le32_to_cpu(be->max);
8a978234
LG		 1532 INIT_LIST_HEAD(&sbe->dobj.list);
1533
1534 /* map standard io handlers and check for external handlers */
2b5cdb91 1535 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1536 if (err) {
1537 soc_control_err(tplg, &be->hdr, be->hdr.name);
9f90af3a 1538 goto err_sbe;
8a978234
LG		 1539 }
1540
1541 /* pass control to driver for optional further init */
1542 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1543 (struct snd_soc_tplg_ctl_hdr *)be);
1544 if (err < 0) {
1545 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1546 be->hdr.name);
9f90af3a 1547 goto err_sbe;
8a978234
LG		 1548 }
1549 }
1550
1551 return kc;
1552
9f90af3a
AS		 1553err_sbe:
1554 for (; i >= 0; i--) {
1555 sbe = (struct soc_bytes_ext *)kc[i].private_value;
1556 kfree(sbe);
267e2c6f
LG		 1557 kfree(kc[i].name);
1558 }
8a978234 1559 kfree(kc);
9f90af3a 1560
8a978234
LG		 1561 return NULL;
1562}
1563
1564static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1565 struct snd_soc_tplg_dapm_widget *w)
1566{
1567 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1568 struct snd_soc_dapm_widget template, *widget;
1569 struct snd_soc_tplg_ctl_hdr *control_hdr;
1570 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1571 unsigned int kcontrol_type;
8a978234
LG		 1572 int ret = 0;
1573
1574 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1575 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1576 return -EINVAL;
1577 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1578 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1579 return -EINVAL;
1580
1581 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1582 w->name, w->id);
1583
1584 memset(&template, 0, sizeof(template));
1585
1586 /* map user to kernel widget ID */
5aebe7c7 1587 template.id = get_widget_id(le32_to_cpu(w->id));
752c938a 1588 if ((int)template.id < 0)
8a978234
LG		 1589 return template.id;
1590
c3421a6a 1591 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1592 template.name = kstrdup(w->name, GFP_KERNEL);
1593 if (!template.name)
1594 return -ENOMEM;
1595 template.sname = kstrdup(w->sname, GFP_KERNEL);
1596 if (!template.sname) {
1597 ret = -ENOMEM;
1598 goto err;
1599 }
5aebe7c7
PLB		 1600 template.reg = le32_to_cpu(w->reg);
1601 template.shift = le32_to_cpu(w->shift);
1602 template.mask = le32_to_cpu(w->mask);
1603 template.subseq = le32_to_cpu(w->subseq);
8a978234
LG		 1604 template.on_val = w->invert ? 0 : 1;
1605 template.off_val = w->invert ? 1 : 0;
5aebe7c7
PLB		 1606 template.ignore_suspend = le32_to_cpu(w->ignore_suspend);
1607 template.event_flags = le16_to_cpu(w->event_flags);
8a978234
LG		 1608 template.dobj.index = tplg->index;
1609
1610 tplg->pos +=
5aebe7c7
PLB		 1611 (sizeof(struct snd_soc_tplg_dapm_widget) +
1612 le32_to_cpu(w->priv.size));
1613
8a978234 1614 if (w->num_kcontrols == 0) {
dd5abb74 1615 kcontrol_type = 0;
8a978234
LG		 1616 template.num_kcontrols = 0;
1617 goto widget;
1618 }
1619
1620 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1621 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1622 w->name, w->num_kcontrols, control_hdr->type);
1623
5aebe7c7 1624 switch (le32_to_cpu(control_hdr->ops.info)) {
8a978234
LG		 1625 case SND_SOC_TPLG_CTL_VOLSW:
1626 case SND_SOC_TPLG_CTL_STROBE:
1627 case SND_SOC_TPLG_CTL_VOLSW_SX:
1628 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1629 case SND_SOC_TPLG_CTL_RANGE:
1630 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1631 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
5aebe7c7 1632 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1633 template.kcontrol_news =
1634 soc_tplg_dapm_widget_dmixer_create(tplg,
1635 template.num_kcontrols);
1636 if (!template.kcontrol_news) {
1637 ret = -ENOMEM;
1638 goto hdr_err;
1639 }
1640 break;
1641 case SND_SOC_TPLG_CTL_ENUM:
1642 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1643 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1644 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1645 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1646 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
5aebe7c7 1647 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234 1648 template.kcontrol_news =
1a7dd6e2
ML		 1649 soc_tplg_dapm_widget_denum_create(tplg,
1650 template.num_kcontrols);
8a978234
LG		 1651 if (!template.kcontrol_news) {
1652 ret = -ENOMEM;
1653 goto hdr_err;
1654 }
1655 break;
1656 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1657 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
5aebe7c7 1658 template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
8a978234
LG		 1659 template.kcontrol_news =
1660 soc_tplg_dapm_widget_dbytes_create(tplg,
1661 template.num_kcontrols);
1662 if (!template.kcontrol_news) {
1663 ret = -ENOMEM;
1664 goto hdr_err;
1665 }
1666 break;
1667 default:
1668 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1669 control_hdr->ops.get, control_hdr->ops.put,
5aebe7c7 1670 le32_to_cpu(control_hdr->ops.info));
8a978234
LG		 1671 ret = -EINVAL;
1672 goto hdr_err;
1673 }
1674
1675widget:
1676 ret = soc_tplg_widget_load(tplg, &template, w);
1677 if (ret < 0)
1678 goto hdr_err;
1679
1680 /* card dapm mutex is held by the core if we are loading topology
1681 * data during sound card init. */
1682 if (card->instantiated)
1683 widget = snd_soc_dapm_new_control(dapm, &template);
1684 else
1685 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1686 if (IS_ERR(widget)) {
1687 ret = PTR_ERR(widget);
8a978234
LG		 1688 goto hdr_err;
1689 }
1690
1691 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1692 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1693 widget->dobj.ops = tplg->ops;
1694 widget->dobj.index = tplg->index;
1695 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1696
1697 ret = soc_tplg_widget_ready(tplg, widget, w);
1698 if (ret < 0)
1699 goto ready_err;
1700
7620fe91
B		 1701 kfree(template.sname);
1702 kfree(template.name);
1703
8a978234
LG		 1704 return 0;
1705
ebd259d3
LG		 1706ready_err:
1707 snd_soc_tplg_widget_remove(widget);
1708 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1709hdr_err:
1710 kfree(template.sname);
1711err:
1712 kfree(template.name);
1713 return ret;
1714}
1715
1716static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1717 struct snd_soc_tplg_hdr *hdr)
1718{
1719 struct snd_soc_tplg_dapm_widget *widget;
5aebe7c7
PLB		 1720 int ret, count, i;
1721
1722 count = le32_to_cpu(hdr->count);
8a978234
LG		 1723
1724 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1725 return 0;
1726
1727 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1728
1729 for (i = 0; i < count; i++) {
1730 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
5aebe7c7 1731 if (le32_to_cpu(widget->size) != sizeof(*widget)) {
06eb49f7
ML		 1732 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1733 return -EINVAL;
1734 }
1735
8a978234 1736 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1737 if (ret < 0) {
8a978234
LG		 1738 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1739 widget->name);
7de76b62
ML		 1740 return ret;
1741 }
8a978234
LG		 1742 }
1743
1744 return 0;
1745}
1746
1747static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1748{
1749 struct snd_soc_card *card = tplg->comp->card;
1750 int ret;
1751
1752 /* Card might not have been registered at this point.
1753 * If so, just return success.
1754 */
1755 if (!card || !card->instantiated) {
1756 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1757 " widget card binding deferred\n");
8a978234
LG		 1758 return 0;
1759 }
1760
1761 ret = snd_soc_dapm_new_widgets(card);
1762 if (ret < 0)
1763 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1764 ret);
1765
1766 return 0;
1767}
1768
b6b6e4d6
ML		 1769static void set_stream_info(struct snd_soc_pcm_stream *stream,
1770 struct snd_soc_tplg_stream_caps *caps)
1771{
1772 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
5aebe7c7
PLB		 1773 stream->channels_min = le32_to_cpu(caps->channels_min);
1774 stream->channels_max = le32_to_cpu(caps->channels_max);
1775 stream->rates = le32_to_cpu(caps->rates);
1776 stream->rate_min = le32_to_cpu(caps->rate_min);
1777 stream->rate_max = le32_to_cpu(caps->rate_max);
1778 stream->formats = le64_to_cpu(caps->formats);
1779 stream->sig_bits = le32_to_cpu(caps->sig_bits);
b6b6e4d6
ML		 1780}
1781
0038be9a
ML		 1782static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1783 unsigned int flag_mask, unsigned int flags)
1784{
1785 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1786 dai_drv->symmetric_rates =
1787 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1788
1789 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1790 dai_drv->symmetric_channels =
1791 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1792 1 : 0;
1793
1794 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1795 dai_drv->symmetric_samplebits =
1796 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1797 1 : 0;
1798}
1799
64527e8a
ML		 1800static int soc_tplg_dai_create(struct soc_tplg *tplg,
1801 struct snd_soc_tplg_pcm *pcm)
1802{
1803 struct snd_soc_dai_driver *dai_drv;
1804 struct snd_soc_pcm_stream *stream;
1805 struct snd_soc_tplg_stream_caps *caps;
e443c205
KM		 1806 struct snd_soc_dai *dai;
1807 struct snd_soc_dapm_context *dapm =
1808 snd_soc_component_get_dapm(tplg->comp);
64527e8a
ML		 1809 int ret;
1810
1811 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1812 if (dai_drv == NULL)
1813 return -ENOMEM;
1814
8f27c4ab
ML		 1815 if (strlen(pcm->dai_name))
1816 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
5aebe7c7 1817 dai_drv->id = le32_to_cpu(pcm->dai_id);
64527e8a
ML		 1818
1819 if (pcm->playback) {
1820 stream = &dai_drv->playback;
1821 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
b6b6e4d6 1822 set_stream_info(stream, caps);
64527e8a
ML		 1823 }
1824
1825 if (pcm->capture) {
1826 stream = &dai_drv->capture;
1827 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
b6b6e4d6 1828 set_stream_info(stream, caps);
64527e8a
ML		 1829 }
1830
5db6aab6
LG		 1831 if (pcm->compress)
1832 dai_drv->compress_new = snd_soc_new_compress;
1833
64527e8a 1834 /* pass control to component driver for optional further init */
c60b613a 1835 ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL);
64527e8a
ML		 1836 if (ret < 0) {
1837 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
7b6f68a4
B		 1838 kfree(dai_drv->playback.stream_name);
1839 kfree(dai_drv->capture.stream_name);
1840 kfree(dai_drv->name);
64527e8a
ML		 1841 kfree(dai_drv);
1842 return ret;
1843 }
1844
1845 dai_drv->dobj.index = tplg->index;
1846 dai_drv->dobj.ops = tplg->ops;
1847 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1848 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1849
1850 /* register the DAI to the component */
e443c205
KM		 1851 dai = snd_soc_register_dai(tplg->comp, dai_drv, false);
1852 if (!dai)
1853 return -ENOMEM;
1854
1855 /* Create the DAI widgets here */
1856 ret = snd_soc_dapm_new_dai_widgets(dapm, dai);
1857 if (ret != 0) {
1858 dev_err(dai->dev, "Failed to create DAI widgets %d\n", ret);
1859 snd_soc_unregister_dai(dai);
1860 return ret;
1861 }
1862
1863 return ret;
64527e8a
ML		 1864}
1865
717a8e72
ML		 1866static void set_link_flags(struct snd_soc_dai_link *link,
1867 unsigned int flag_mask, unsigned int flags)
1868{
1869 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1870 link->symmetric_rates =
1871 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1872
1873 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1874 link->symmetric_channels =
1875 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1876 1 : 0;
1877
1878 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1879 link->symmetric_samplebits =
1880 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1881 1 : 0;
6ff67cca
ML		 1882
1883 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1884 link->ignore_suspend =
1885 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1886 1 : 0;
717a8e72
ML		 1887}
1888
67d1c21e 1889/* create the FE DAI link */
ab4bc5ee 1890static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1891 struct snd_soc_tplg_pcm *pcm)
1892{
1893 struct snd_soc_dai_link *link;
23b946ce 1894 struct snd_soc_dai_link_component *dlc;
acfc7d46
ML		 1895 int ret;
1896
3e6de894
PLB		 1897 /* link + cpu + codec + platform */
1898 link = kzalloc(sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL);
acfc7d46
ML		 1899 if (link == NULL)
1900 return -ENOMEM;
1901
23b946ce
KM		 1902 dlc = (struct snd_soc_dai_link_component *)(link + 1);
1903
1904 link->cpus = &dlc[0];
1905 link->codecs = &dlc[1];
3e6de894 1906 link->platforms = &dlc[2];
23b946ce
KM		 1907
1908 link->num_cpus = 1;
1909 link->num_codecs = 1;
3e6de894 1910 link->num_platforms = 1;
23b946ce 1911
8f27c4ab
ML		 1912 if (strlen(pcm->pcm_name)) {
1913 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1914 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1915 }
5aebe7c7 1916 link->id = le32_to_cpu(pcm->pcm_id);
acfc7d46 1917
8f27c4ab 1918 if (strlen(pcm->dai_name))
23b946ce 1919 link->cpus->dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
8f27c4ab 1920
23b946ce
KM		 1921 link->codecs->name = "snd-soc-dummy";
1922 link->codecs->dai_name = "snd-soc-dummy-dai";
67d1c21e 1923
3e6de894
PLB		 1924 link->platforms->name = "snd-soc-dummy";
1925
67d1c21e
GS		 1926 /* enable DPCM */
1927 link->dynamic = 1;
5aebe7c7
PLB		 1928 link->dpcm_playback = le32_to_cpu(pcm->playback);
1929 link->dpcm_capture = le32_to_cpu(pcm->capture);
717a8e72 1930 if (pcm->flag_mask)
5aebe7c7
PLB		 1931 set_link_flags(link,
1932 le32_to_cpu(pcm->flag_mask),
1933 le32_to_cpu(pcm->flags));
67d1c21e 1934
acfc7d46 1935 /* pass control to component driver for optional further init */
c60b613a 1936 ret = soc_tplg_dai_link_load(tplg, link, NULL);
acfc7d46
ML		 1937 if (ret < 0) {
1938 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
76d27036
DT		 1939 goto err;
1940 }
1941
2acf6ce2 1942 ret = snd_soc_add_pcm_runtime(tplg->comp->card, link);
76d27036
DT		 1943 if (ret < 0) {
1944 dev_err(tplg->comp->dev, "ASoC: adding FE link failed\n");
1945 goto err;
acfc7d46
ML		 1946 }
1947
1948 link->dobj.index = tplg->index;
1949 link->dobj.ops = tplg->ops;
1950 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1951 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1952
acfc7d46 1953 return 0;
76d27036
DT		 1954err:
1955 kfree(link->name);
1956 kfree(link->stream_name);
1957 kfree(link->cpus->dai_name);
1958 kfree(link);
1959 return ret;
acfc7d46
ML		 1960}
1961
1962/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1963static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1964 struct snd_soc_tplg_pcm *pcm)
1965{
acfc7d46
ML		 1966 int ret;
1967
1968 ret = soc_tplg_dai_create(tplg, pcm);
1969 if (ret < 0)
1970 return ret;
1971
ab4bc5ee 1972 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1973}
1974
55726dc9
ML		 1975/* copy stream caps from the old version 4 of source */
1976static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1977 struct snd_soc_tplg_stream_caps_v4 *src)
1978{
5aebe7c7 1979 dest->size = cpu_to_le32(sizeof(*dest));
55726dc9
ML		 1980 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1981 dest->formats = src->formats;
1982 dest->rates = src->rates;
1983 dest->rate_min = src->rate_min;
1984 dest->rate_max = src->rate_max;
1985 dest->channels_min = src->channels_min;
1986 dest->channels_max = src->channels_max;
1987 dest->periods_min = src->periods_min;
1988 dest->periods_max = src->periods_max;
1989 dest->period_size_min = src->period_size_min;
1990 dest->period_size_max = src->period_size_max;
1991 dest->buffer_size_min = src->buffer_size_min;
1992 dest->buffer_size_max = src->buffer_size_max;
1993}
1994
1995/**
1996 * pcm_new_ver - Create the new version of PCM from the old version.
1997 * @tplg: topology context
1998 * @src: older version of pcm as a source
1999 * @pcm: latest version of pcm created from the source
2000 *
2001 * Support from vesion 4. User should free the returned pcm manually.
2002 */
2003static int pcm_new_ver(struct soc_tplg *tplg,
2004 struct snd_soc_tplg_pcm *src,
2005 struct snd_soc_tplg_pcm **pcm)
2006{
2007 struct snd_soc_tplg_pcm *dest;
2008 struct snd_soc_tplg_pcm_v4 *src_v4;
2009 int i;
2010
2011 *pcm = NULL;
2012
5aebe7c7 2013 if (le32_to_cpu(src->size) != sizeof(*src_v4)) {
55726dc9
ML		 2014 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
2015 return -EINVAL;
2016 }
2017
2018 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
2019 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
2020 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2021 if (!dest)
2022 return -ENOMEM;
2023
5aebe7c7 2024 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
55726dc9
ML		 2025 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2026 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2027 dest->pcm_id = src_v4->pcm_id;
2028 dest->dai_id = src_v4->dai_id;
2029 dest->playback = src_v4->playback;
2030 dest->capture = src_v4->capture;
2031 dest->compress = src_v4->compress;
2032 dest->num_streams = src_v4->num_streams;
5aebe7c7 2033 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
55726dc9
ML		 2034 memcpy(&dest->stream[i], &src_v4->stream[i],
2035 sizeof(struct snd_soc_tplg_stream));
2036
2037 for (i = 0; i < 2; i++)
2038 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
2039
2040 *pcm = dest;
2041 return 0;
2042}
2043
64527e8a 2044static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 2045 struct snd_soc_tplg_hdr *hdr)
2046{
55726dc9 2047 struct snd_soc_tplg_pcm *pcm, *_pcm;
5aebe7c7
PLB		 2048 int count;
2049 int size;
fd340455 2050 int i;
55726dc9 2051 bool abi_match;
a3039aef 2052 int ret;
8a978234 2053
5aebe7c7
PLB		 2054 count = le32_to_cpu(hdr->count);
2055
8a978234
LG		 2056 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
2057 return 0;
2058
55726dc9
ML		 2059 /* check the element size and count */
2060 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7
PLB		 2061 size = le32_to_cpu(pcm->size);
2062 if (size > sizeof(struct snd_soc_tplg_pcm)
2063 || size < sizeof(struct snd_soc_tplg_pcm_v4)) {
55726dc9 2064 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
5aebe7c7 2065 size);
55726dc9
ML		 2066 return -EINVAL;
2067 }
2068
8a978234 2069 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2070 size, count,
2071 le32_to_cpu(hdr->payload_size),
2072 "PCM DAI")) {
8a978234
LG		 2073 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
2074 count);
2075 return -EINVAL;
2076 }
2077
64527e8a 2078 for (i = 0; i < count; i++) {
55726dc9 2079 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
5aebe7c7 2080 size = le32_to_cpu(pcm->size);
55726dc9
ML		 2081
2082 /* check ABI version by size, create a new version of pcm
2083 * if abi not match.
2084 */
5aebe7c7 2085 if (size == sizeof(*pcm)) {
55726dc9
ML		 2086 abi_match = true;
2087 _pcm = pcm;
2088 } else {
2089 abi_match = false;
fd340455 2090 pcm_new_ver(tplg, pcm, &_pcm);
06eb49f7
ML		 2091 }
2092
55726dc9 2093 /* create the FE DAIs and DAI links */
a3039aef
DT		 2094 ret = soc_tplg_pcm_create(tplg, _pcm);
2095 if (ret < 0) {
2096 if (!abi_match)
2097 kfree(_pcm);
2098 return ret;
2099 }
55726dc9 2100
717a8e72
ML		 2101 /* offset by version-specific struct size and
2102 * real priv data size
2103 */
5aebe7c7 2104 tplg->pos += size + le32_to_cpu(_pcm->priv.size);
717a8e72 2105
55726dc9
ML		 2106 if (!abi_match)
2107 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 2108 }
2109
8a978234 2110 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 2111
8a978234 2112 return 0;
8a978234
LG		 2113}
2114
593d9e52
ML		 2115/**
2116 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 2117 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 2118 * @cfg: physical link configs.
2119 *
2120 * Topology context contains a list of supported HW formats (configs) and
2121 * a default format ID for the physical link. This function will use this
2122 * default ID to choose the HW format to set the link's DAI format for init.
2123 */
2124static void set_link_hw_format(struct snd_soc_dai_link *link,
2125 struct snd_soc_tplg_link_config *cfg)
2126{
2127 struct snd_soc_tplg_hw_config *hw_config;
2128 unsigned char bclk_master, fsync_master;
2129 unsigned char invert_bclk, invert_fsync;
2130 int i;
2131
5aebe7c7 2132 for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) {
593d9e52
ML		 2133 hw_config = &cfg->hw_config[i];
2134 if (hw_config->id != cfg->default_hw_config_id)
2135 continue;
2136
5aebe7c7
PLB		 2137 link->dai_fmt = le32_to_cpu(hw_config->fmt) &
2138 SND_SOC_DAIFMT_FORMAT_MASK;
593d9e52 2139
933e1c4a 2140 /* clock gating */
fbeabd09
KM		 2141 switch (hw_config->clock_gated) {
2142 case SND_SOC_TPLG_DAI_CLK_GATE_GATED:
933e1c4a 2143 link->dai_fmt |= SND_SOC_DAIFMT_GATED;
fbeabd09
KM		 2144 break;
2145
2146 case SND_SOC_TPLG_DAI_CLK_GATE_CONT:
933e1c4a 2147 link->dai_fmt |= SND_SOC_DAIFMT_CONT;
fbeabd09
KM		 2148 break;
2149
2150 default:
2151 /* ignore the value */
2152 break;
2153 }
933e1c4a 2154
593d9e52
ML		 2155 /* clock signal polarity */
2156 invert_bclk = hw_config->invert_bclk;
2157 invert_fsync = hw_config->invert_fsync;
2158 if (!invert_bclk && !invert_fsync)
2159 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
2160 else if (!invert_bclk && invert_fsync)
2161 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
2162 else if (invert_bclk && !invert_fsync)
2163 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
2164 else
2165 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
2166
2167 /* clock masters */
a941e2fa
KM		 2168 bclk_master = (hw_config->bclk_master ==
2169 SND_SOC_TPLG_BCLK_CM);
2170 fsync_master = (hw_config->fsync_master ==
2171 SND_SOC_TPLG_FSYNC_CM);
2172 if (bclk_master && fsync_master)
593d9e52 2173 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
593d9e52 2174 else if (!bclk_master && fsync_master)
a941e2fa
KM		 2175 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2176 else if (bclk_master && !fsync_master)
593d9e52
ML		 2177 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2178 else
2179 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2180 }
2181}
2182
2183/**
2184 * link_new_ver - Create a new physical link config from the old
2185 * version of source.
8abab35f 2186 * @tplg: topology context
593d9e52
ML		 2187 * @src: old version of phyical link config as a source
2188 * @link: latest version of physical link config created from the source
2189 *
2190 * Support from vesion 4. User need free the returned link config manually.
2191 */
2192static int link_new_ver(struct soc_tplg *tplg,
2193 struct snd_soc_tplg_link_config *src,
2194 struct snd_soc_tplg_link_config **link)
2195{
2196 struct snd_soc_tplg_link_config *dest;
2197 struct snd_soc_tplg_link_config_v4 *src_v4;
2198 int i;
2199
2200 *link = NULL;
2201
5aebe7c7
PLB		 2202 if (le32_to_cpu(src->size) !=
2203 sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52
ML		 2204 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2205 return -EINVAL;
2206 }
2207
2208 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2209
2210 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2211 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2212 if (!dest)
2213 return -ENOMEM;
2214
5aebe7c7 2215 dest->size = cpu_to_le32(sizeof(*dest));
593d9e52
ML		 2216 dest->id = src_v4->id;
2217 dest->num_streams = src_v4->num_streams;
5aebe7c7 2218 for (i = 0; i < le32_to_cpu(dest->num_streams); i++)
593d9e52
ML		 2219 memcpy(&dest->stream[i], &src_v4->stream[i],
2220 sizeof(struct snd_soc_tplg_stream));
2221
2222 *link = dest;
2223 return 0;
2224}
2225
d6f31e0e
KM		 2226/**
2227 * snd_soc_find_dai_link - Find a DAI link
2228 *
2229 * @card: soc card
2230 * @id: DAI link ID to match
2231 * @name: DAI link name to match, optional
2232 * @stream_name: DAI link stream name to match, optional
2233 *
2234 * This function will search all existing DAI links of the soc card to
2235 * find the link of the same ID. Since DAI links may not have their
2236 * unique ID, so name and stream name should also match if being
2237 * specified.
2238 *
2239 * Return: pointer of DAI link, or NULL if not found.
2240 */
2241static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card,
2242 int id, const char *name,
2243 const char *stream_name)
2244{
2245 struct snd_soc_pcm_runtime *rtd;
2246 struct snd_soc_dai_link *link;
2247
2248 for_each_card_rtds(card, rtd) {
2249 link = rtd->dai_link;
2250
2251 if (link->id != id)
2252 continue;
2253
2254 if (name && (!link->name || strcmp(name, link->name)))
2255 continue;
2256
2257 if (stream_name && (!link->stream_name
2258 || strcmp(stream_name, link->stream_name)))
2259 continue;
2260
2261 return link;
2262 }
2263
2264 return NULL;
2265}
2266
593d9e52
ML		 2267/* Find and configure an existing physical DAI link */
2268static int soc_tplg_link_config(struct soc_tplg *tplg,
2269 struct snd_soc_tplg_link_config *cfg)
2270{
2271 struct snd_soc_dai_link *link;
2272 const char *name, *stream_name;
dbab1cb8 2273 size_t len;
593d9e52
ML		 2274 int ret;
2275
dbab1cb8
ML		 2276 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2277 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2278 return -EINVAL;
2279 else if (len)
2280 name = cfg->name;
2281 else
2282 name = NULL;
2283
2284 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2285 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2286 return -EINVAL;
2287 else if (len)
2288 stream_name = cfg->stream_name;
2289 else
2290 stream_name = NULL;
593d9e52 2291
5aebe7c7 2292 link = snd_soc_find_dai_link(tplg->comp->card, le32_to_cpu(cfg->id),
593d9e52
ML		 2293 name, stream_name);
2294 if (!link) {
2295 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2296 name, cfg->id);
2297 return -EINVAL;
2298 }
2299
2300 /* hw format */
2301 if (cfg->num_hw_configs)
2302 set_link_hw_format(link, cfg);
2303
2304 /* flags */
2305 if (cfg->flag_mask)
5aebe7c7
PLB		 2306 set_link_flags(link,
2307 le32_to_cpu(cfg->flag_mask),
2308 le32_to_cpu(cfg->flags));
593d9e52
ML		 2309
2310 /* pass control to component driver for optional further init */
c60b613a 2311 ret = soc_tplg_dai_link_load(tplg, link, cfg);
593d9e52
ML		 2312 if (ret < 0) {
2313 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2314 return ret;
2315 }
2316
adfebb51
B		 2317 /* for unloading it in snd_soc_tplg_component_remove */
2318 link->dobj.index = tplg->index;
2319 link->dobj.ops = tplg->ops;
2320 link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK;
2321 list_add(&link->dobj.list, &tplg->comp->dobj_list);
2322
593d9e52
ML		 2323 return 0;
2324}
2325
2326
2327/* Load physical link config elements from the topology context */
2328static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2329 struct snd_soc_tplg_hdr *hdr)
2330{
2331 struct snd_soc_tplg_link_config *link, *_link;
5aebe7c7
PLB		 2332 int count;
2333 int size;
593d9e52
ML		 2334 int i, ret;
2335 bool abi_match;
2336
5aebe7c7
PLB		 2337 count = le32_to_cpu(hdr->count);
2338
593d9e52 2339 if (tplg->pass != SOC_TPLG_PASS_LINK) {
5aebe7c7
PLB		 2340 tplg->pos += le32_to_cpu(hdr->size) +
2341 le32_to_cpu(hdr->payload_size);
593d9e52
ML		 2342 return 0;
2343 };
2344
2345 /* check the element size and count */
2346 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2347 size = le32_to_cpu(link->size);
2348 if (size > sizeof(struct snd_soc_tplg_link_config)
2349 || size < sizeof(struct snd_soc_tplg_link_config_v4)) {
593d9e52 2350 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
5aebe7c7 2351 size);
593d9e52
ML		 2352 return -EINVAL;
2353 }
2354
2355 if (soc_tplg_check_elem_count(tplg,
5aebe7c7
PLB		 2356 size, count,
2357 le32_to_cpu(hdr->payload_size),
2358 "physical link config")) {
593d9e52
ML		 2359 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2360 count);
2361 return -EINVAL;
2362 }
2363
2364 /* config physical DAI links */
2365 for (i = 0; i < count; i++) {
2366 link = (struct snd_soc_tplg_link_config *)tplg->pos;
5aebe7c7
PLB		 2367 size = le32_to_cpu(link->size);
2368 if (size == sizeof(*link)) {
593d9e52
ML		 2369 abi_match = true;
2370 _link = link;
2371 } else {
2372 abi_match = false;
2373 ret = link_new_ver(tplg, link, &_link);
2374 if (ret < 0)
2375 return ret;
2376 }
2377
2378 ret = soc_tplg_link_config(tplg, _link);
2379 if (ret < 0)
2380 return ret;
2381
2382 /* offset by version-specific struct size and
2383 * real priv data size
2384 */
5aebe7c7 2385 tplg->pos += size + le32_to_cpu(_link->priv.size);
593d9e52
ML		 2386
2387 if (!abi_match)
2388 kfree(_link); /* free the duplicated one */
2389 }
2390
2391 return 0;
2392}
2393
9aa3f034
ML		 2394/**
2395 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2396 * @tplg: topology context
9aa3f034 2397 * @d: physical DAI configs.
0038be9a 2398 *
9aa3f034
ML		 2399 * The physical dai should already be registered by the platform driver.
2400 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2401 */
9aa3f034
ML		 2402static int soc_tplg_dai_config(struct soc_tplg *tplg,
2403 struct snd_soc_tplg_dai *d)
0038be9a 2404{
5aebe7c7 2405 struct snd_soc_dai_link_component dai_component;
0038be9a
ML		 2406 struct snd_soc_dai *dai;
2407 struct snd_soc_dai_driver *dai_drv;
2408 struct snd_soc_pcm_stream *stream;
2409 struct snd_soc_tplg_stream_caps *caps;
2410 int ret;
2411
5aebe7c7
PLB		 2412 memset(&dai_component, 0, sizeof(dai_component));
2413
9aa3f034 2414 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2415 dai = snd_soc_find_dai(&dai_component);
2416 if (!dai) {
9aa3f034
ML		 2417 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2418 d->dai_name);
0038be9a
ML		 2419 return -EINVAL;
2420 }
2421
5aebe7c7 2422 if (le32_to_cpu(d->dai_id) != dai->id) {
9aa3f034
ML		 2423 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2424 d->dai_name);
0038be9a
ML		 2425 return -EINVAL;
2426 }
2427
2428 dai_drv = dai->driver;
2429 if (!dai_drv)
2430 return -EINVAL;
2431
9aa3f034 2432 if (d->playback) {
0038be9a 2433 stream = &dai_drv->playback;
9aa3f034 2434 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
0038be9a
ML		 2435 set_stream_info(stream, caps);
2436 }
2437
9aa3f034 2438 if (d->capture) {
0038be9a 2439 stream = &dai_drv->capture;
9aa3f034 2440 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
0038be9a
ML		 2441 set_stream_info(stream, caps);
2442 }
2443
9aa3f034 2444 if (d->flag_mask)
5aebe7c7
PLB		 2445 set_dai_flags(dai_drv,
2446 le32_to_cpu(d->flag_mask),
2447 le32_to_cpu(d->flags));
0038be9a
ML		 2448
2449 /* pass control to component driver for optional further init */
c60b613a 2450 ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai);
0038be9a
ML		 2451 if (ret < 0) {
2452 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2453 return ret;
2454 }
2455
2456 return 0;
2457}
2458
9aa3f034
ML		 2459/* load physical DAI elements */
2460static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2461 struct snd_soc_tplg_hdr *hdr)
0038be9a 2462{
9aa3f034 2463 struct snd_soc_tplg_dai *dai;
5aebe7c7 2464 int count;
0038be9a
ML		 2465 int i;
2466
5aebe7c7
PLB		 2467 count = le32_to_cpu(hdr->count);
2468
0038be9a
ML		 2469 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2470 return 0;
2471
2472 /* config the existing BE DAIs */
2473 for (i = 0; i < count; i++) {
9aa3f034 2474 dai = (struct snd_soc_tplg_dai *)tplg->pos;
5aebe7c7 2475 if (le32_to_cpu(dai->size) != sizeof(*dai)) {
9aa3f034 2476 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2477 return -EINVAL;
2478 }
2479
9aa3f034 2480 soc_tplg_dai_config(tplg, dai);
5aebe7c7 2481 tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size));
0038be9a
ML		 2482 }
2483
2484 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2485 return 0;
2486}
2487
583958fa
ML		 2488/**
2489 * manifest_new_ver - Create a new version of manifest from the old version
2490 * of source.
8abab35f 2491 * @tplg: topology context
583958fa
ML		 2492 * @src: old version of manifest as a source
2493 * @manifest: latest version of manifest created from the source
2494 *
2495 * Support from vesion 4. Users need free the returned manifest manually.
2496 */
2497static int manifest_new_ver(struct soc_tplg *tplg,
2498 struct snd_soc_tplg_manifest *src,
2499 struct snd_soc_tplg_manifest **manifest)
2500{
2501 struct snd_soc_tplg_manifest *dest;
2502 struct snd_soc_tplg_manifest_v4 *src_v4;
5aebe7c7 2503 int size;
583958fa
ML		 2504
2505 *manifest = NULL;
2506
5aebe7c7
PLB		 2507 size = le32_to_cpu(src->size);
2508 if (size != sizeof(*src_v4)) {
ac9391da 2509 dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n",
5aebe7c7
PLB		 2510 size);
2511 if (size)
ac9391da 2512 return -EINVAL;
5aebe7c7 2513 src->size = cpu_to_le32(sizeof(*src_v4));
583958fa
ML		 2514 }
2515
2516 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2517
2518 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
5aebe7c7
PLB		 2519 dest = kzalloc(sizeof(*dest) + le32_to_cpu(src_v4->priv.size),
2520 GFP_KERNEL);
583958fa
ML		 2521 if (!dest)
2522 return -ENOMEM;
2523
5aebe7c7 2524 dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */
583958fa
ML		 2525 dest->control_elems = src_v4->control_elems;
2526 dest->widget_elems = src_v4->widget_elems;
2527 dest->graph_elems = src_v4->graph_elems;
2528 dest->pcm_elems = src_v4->pcm_elems;
2529 dest->dai_link_elems = src_v4->dai_link_elems;
2530 dest->priv.size = src_v4->priv.size;
2531 if (dest->priv.size)
2532 memcpy(dest->priv.data, src_v4->priv.data,
5aebe7c7 2533 le32_to_cpu(src_v4->priv.size));
583958fa
ML		 2534
2535 *manifest = dest;
2536 return 0;
2537}
0038be9a 2538
8a978234 2539static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2540 struct snd_soc_tplg_hdr *hdr)
8a978234 2541{
583958fa
ML		 2542 struct snd_soc_tplg_manifest *manifest, *_manifest;
2543 bool abi_match;
2544 int err;
8a978234
LG		 2545
2546 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2547 return 0;
2548
2549 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2550
583958fa 2551 /* check ABI version by size, create a new manifest if abi not match */
5aebe7c7 2552 if (le32_to_cpu(manifest->size) == sizeof(*manifest)) {
583958fa
ML		 2553 abi_match = true;
2554 _manifest = manifest;
2555 } else {
2556 abi_match = false;
2557 err = manifest_new_ver(tplg, manifest, &_manifest);
2558 if (err < 0)
2559 return err;
2560 }
8a978234 2561
583958fa 2562 /* pass control to component driver for optional further init */
8a978234 2563 if (tplg->comp && tplg->ops && tplg->ops->manifest)
c60b613a 2564 return tplg->ops->manifest(tplg->comp, tplg->index, _manifest);
583958fa
ML		 2565
2566 if (!abi_match) /* free the duplicated one */
2567 kfree(_manifest);
8a978234 2568
8a978234
LG		 2569 return 0;
2570}
2571
2572/* validate header magic, size and type */
2573static int soc_valid_header(struct soc_tplg *tplg,
2574 struct snd_soc_tplg_hdr *hdr)
2575{
2576 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2577 return 0;
2578
5aebe7c7 2579 if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
06eb49f7
ML		 2580 dev_err(tplg->dev,
2581 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
5aebe7c7 2582 le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg),
06eb49f7
ML		 2583 tplg->fw->size);
2584 return -EINVAL;
2585 }
2586
8a978234 2587 /* big endian firmware objects not supported atm */
2114171d 2588 if (hdr->magic == SOC_TPLG_MAGIC_BIG_ENDIAN) {
8a978234
LG		 2589 dev_err(tplg->dev,
2590 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2591 tplg->pass, hdr->magic,
2592 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2593 return -EINVAL;
2594 }
2595
5aebe7c7 2596 if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) {
8a978234
LG		 2597 dev_err(tplg->dev,
2598 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2599 tplg->pass, hdr->magic,
2600 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2601 return -EINVAL;
2602 }
2603
288b8da7 2604 /* Support ABI from version 4 */
5aebe7c7
PLB		 2605 if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION ||
2606 le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2607 dev_err(tplg->dev,
2608 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2609 tplg->pass, hdr->abi,
2610 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2611 tplg->fw->size);
2612 return -EINVAL;
2613 }
2614
2615 if (hdr->payload_size == 0) {
2616 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2617 soc_tplg_get_hdr_offset(tplg));
2618 return -EINVAL;
2619 }
2620
5aebe7c7 2621 if (tplg->pass == le32_to_cpu(hdr->type))
8a978234
LG		 2622 dev_dbg(tplg->dev,
2623 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2624 hdr->payload_size, hdr->type, hdr->version,
2625 hdr->vendor_type, tplg->pass);
2626
2627 return 1;
2628}
2629
2630/* check header type and call appropriate handler */
2631static int soc_tplg_load_header(struct soc_tplg *tplg,
2632 struct snd_soc_tplg_hdr *hdr)
2633{
2634 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2635
2636 /* check for matching ID */
5aebe7c7 2637 if (le32_to_cpu(hdr->index) != tplg->req_index &&
bb97142b 2638 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2639 return 0;
2640
5aebe7c7 2641 tplg->index = le32_to_cpu(hdr->index);
8a978234 2642
5aebe7c7 2643 switch (le32_to_cpu(hdr->type)) {
8a978234
LG		 2644 case SND_SOC_TPLG_TYPE_MIXER:
2645 case SND_SOC_TPLG_TYPE_ENUM:
2646 case SND_SOC_TPLG_TYPE_BYTES:
2647 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2648 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2649 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2650 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2651 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2652 case SND_SOC_TPLG_TYPE_PCM:
64527e8a 2653 return soc_tplg_pcm_elems_load(tplg, hdr);
3fbf7935 2654 case SND_SOC_TPLG_TYPE_DAI:
9aa3f034 2655 return soc_tplg_dai_elems_load(tplg, hdr);
593d9e52
ML		 2656 case SND_SOC_TPLG_TYPE_DAI_LINK:
2657 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2658 /* physical link configurations */
2659 return soc_tplg_link_elems_load(tplg, hdr);
8a978234
LG		 2660 case SND_SOC_TPLG_TYPE_MANIFEST:
2661 return soc_tplg_manifest_load(tplg, hdr);
2662 default:
2663 /* bespoke vendor data object */
2664 return soc_tplg_vendor_load(tplg, hdr);
2665 }
2666
2667 return 0;
2668}
2669
2670/* process the topology file headers */
2671static int soc_tplg_process_headers(struct soc_tplg *tplg)
2672{
2673 struct snd_soc_tplg_hdr *hdr;
2674 int ret;
2675
2676 tplg->pass = SOC_TPLG_PASS_START;
2677
2678 /* process the header types from start to end */
2679 while (tplg->pass <= SOC_TPLG_PASS_END) {
2680
2681 tplg->hdr_pos = tplg->fw->data;
2682 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2683
2684 while (!soc_tplg_is_eof(tplg)) {
2685
2686 /* make sure header is valid before loading */
2687 ret = soc_valid_header(tplg, hdr);
2688 if (ret < 0)
2689 return ret;
2690 else if (ret == 0)
2691 break;
2692
2693 /* load the header object */
2694 ret = soc_tplg_load_header(tplg, hdr);
2695 if (ret < 0)
2696 return ret;
2697
2698 /* goto next header */
5aebe7c7 2699 tplg->hdr_pos += le32_to_cpu(hdr->payload_size) +
8a978234
LG		 2700 sizeof(struct snd_soc_tplg_hdr);
2701 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2702 }
2703
2704 /* next data type pass */
2705 tplg->pass++;
2706 }
2707
2708 /* signal DAPM we are complete */
2709 ret = soc_tplg_dapm_complete(tplg);
2710 if (ret < 0)
2711 dev_err(tplg->dev,
2712 "ASoC: failed to initialise DAPM from Firmware\n");
2713
2714 return ret;
2715}
2716
2717static int soc_tplg_load(struct soc_tplg *tplg)
2718{
2719 int ret;
2720
2721 ret = soc_tplg_process_headers(tplg);
2722 if (ret == 0)
2723 soc_tplg_complete(tplg);
2724
2725 return ret;
2726}
2727
2728/* load audio component topology from "firmware" file */
2729int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2730 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2731{
2732 struct soc_tplg tplg;
304017d3 2733 int ret;
8a978234
LG		 2734
2735 /* setup parsing context */
2736 memset(&tplg, 0, sizeof(tplg));
2737 tplg.fw = fw;
2738 tplg.dev = comp->dev;
2739 tplg.comp = comp;
2740 tplg.ops = ops;
2741 tplg.req_index = id;
2742 tplg.io_ops = ops->io_ops;
2743 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2744 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2745 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234 2746
304017d3
B		 2747 ret = soc_tplg_load(&tplg);
2748 /* free the created components if fail to load topology */
2749 if (ret)
2750 snd_soc_tplg_component_remove(comp, SND_SOC_TPLG_INDEX_ALL);
2751
2752 return ret;
8a978234
LG		 2753}
2754EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2755
2756/* remove this dynamic widget */
2757void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2758{
2759 /* make sure we are a widget */
2760 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2761 return;
2762
2763 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2764}
2765EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2766
2767/* remove all dynamic widgets from this DAPM context */
2768void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2769 u32 index)
2770{
2771 struct snd_soc_dapm_widget *w, *next_w;
8a978234
LG		 2772
2773 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2774
2775 /* make sure we are a widget with correct context */
2776 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2777 continue;
2778
2779 /* match ID */
2780 if (w->dobj.index != index &&
2781 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2782 continue;
8a978234
LG		 2783 /* check and free and dynamic widget kcontrols */
2784 snd_soc_tplg_widget_remove(w);
b97e2698 2785 snd_soc_dapm_free_widget(w);
8a978234 2786 }
fd589a1b 2787 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2788}
2789EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2790
2791/* remove dynamic controls from the component driver */
2792int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2793{
2794 struct snd_soc_dobj *dobj, *next_dobj;
2795 int pass = SOC_TPLG_PASS_END;
2796
2797 /* process the header types from end to start */
2798 while (pass >= SOC_TPLG_PASS_START) {
2799
2800 /* remove mixer controls */
2801 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2802 list) {
2803
2804 /* match index */
2805 if (dobj->index != index &&
feb12f0c 2806 index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2807 continue;
2808
2809 switch (dobj->type) {
2810 case SND_SOC_DOBJ_MIXER:
2811 remove_mixer(comp, dobj, pass);
2812 break;
2813 case SND_SOC_DOBJ_ENUM:
2814 remove_enum(comp, dobj, pass);
2815 break;
2816 case SND_SOC_DOBJ_BYTES:
2817 remove_bytes(comp, dobj, pass);
2818 break;
7df04ea7
RS		 2819 case SND_SOC_DOBJ_GRAPH:
2820 remove_route(comp, dobj, pass);
2821 break;
8a978234
LG		 2822 case SND_SOC_DOBJ_WIDGET:
2823 remove_widget(comp, dobj, pass);
2824 break;
2825 case SND_SOC_DOBJ_PCM:
64527e8a 2826 remove_dai(comp, dobj, pass);
8a978234 2827 break;
acfc7d46
ML		 2828 case SND_SOC_DOBJ_DAI_LINK:
2829 remove_link(comp, dobj, pass);
2830 break;
adfebb51
B		 2831 case SND_SOC_DOBJ_BACKEND_LINK:
2832 /*
2833 * call link_unload ops if extra
2834 * deinitialization is needed.
2835 */
2836 remove_backend_link(comp, dobj, pass);
2837 break;
8a978234
LG		 2838 default:
2839 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2840 dobj->type);
2841 break;
2842 }
2843 }
2844 pass--;
2845 }
2846
2847 /* let caller know if FW can be freed when no objects are left */
2848 return !list_empty(&comp->dobj_list);
2849}
2850EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)