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ASoC: topology: create TLV data for dapm widgets
[linux-2.6-block.git] / sound / soc / soc-topology.c
CommitLineData
8a978234
LG		 1/*
2 * soc-topology.c -- ALSA SoC Topology
3 *
4 * Copyright (C) 2012 Texas Instruments Inc.
5 * Copyright (C) 2015 Intel Corporation.
6 *
7 * Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
8 * K, Mythri P <mythri.p.k@intel.com>
9 * Prusty, Subhransu S <subhransu.s.prusty@intel.com>
10 * B, Jayachandran <jayachandran.b@intel.com>
11 * Abdullah, Omair M <omair.m.abdullah@intel.com>
12 * Jin, Yao <yao.jin@intel.com>
13 * Lin, Mengdong <mengdong.lin@intel.com>
14 *
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License as published by the
17 * Free Software Foundation; either version 2 of the License, or (at your
18 * option) any later version.
19 *
20 * Add support to read audio firmware topology alongside firmware text. The
21 * topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links,
22 * equalizers, firmware, coefficients etc.
23 *
24 * This file only manages the core ALSA and ASoC components, all other bespoke
25 * firmware topology data is passed to component drivers for bespoke handling.
26 */
27
28#include <linux/kernel.h>
29#include <linux/export.h>
30#include <linux/list.h>
31#include <linux/firmware.h>
32#include <linux/slab.h>
33#include <sound/soc.h>
34#include <sound/soc-dapm.h>
35#include <sound/soc-topology.h>
28a87eeb 36#include <sound/tlv.h>
8a978234
LG		 37
38/*
39 * We make several passes over the data (since it wont necessarily be ordered)
40 * and process objects in the following order. This guarantees the component
41 * drivers will be ready with any vendor data before the mixers and DAPM objects
42 * are loaded (that may make use of the vendor data).
43 */
44#define SOC_TPLG_PASS_MANIFEST 0
45#define SOC_TPLG_PASS_VENDOR 1
46#define SOC_TPLG_PASS_MIXER 2
47#define SOC_TPLG_PASS_WIDGET 3
1a8e7fab
ML		 48#define SOC_TPLG_PASS_PCM_DAI 4
49#define SOC_TPLG_PASS_GRAPH 5
50#define SOC_TPLG_PASS_PINS 6
0038be9a 51#define SOC_TPLG_PASS_BE_DAI 7
593d9e52 52#define SOC_TPLG_PASS_LINK 8
8a978234
LG		 53
54#define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
593d9e52 55#define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
8a978234 56
583958fa
ML		 57/*
58 * Old version of ABI structs, supported for backward compatibility.
59 */
60
61/* Manifest v4 */
62struct snd_soc_tplg_manifest_v4 {
63 __le32 size; /* in bytes of this structure */
64 __le32 control_elems; /* number of control elements */
65 __le32 widget_elems; /* number of widget elements */
66 __le32 graph_elems; /* number of graph elements */
67 __le32 pcm_elems; /* number of PCM elements */
68 __le32 dai_link_elems; /* number of DAI link elements */
69 struct snd_soc_tplg_private priv;
70} __packed;
71
55726dc9
ML		 72/* Stream Capabilities v4 */
73struct snd_soc_tplg_stream_caps_v4 {
74 __le32 size; /* in bytes of this structure */
75 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
76 __le64 formats; /* supported formats SNDRV_PCM_FMTBIT_* */
77 __le32 rates; /* supported rates SNDRV_PCM_RATE_* */
78 __le32 rate_min; /* min rate */
79 __le32 rate_max; /* max rate */
80 __le32 channels_min; /* min channels */
81 __le32 channels_max; /* max channels */
82 __le32 periods_min; /* min number of periods */
83 __le32 periods_max; /* max number of periods */
84 __le32 period_size_min; /* min period size bytes */
85 __le32 period_size_max; /* max period size bytes */
86 __le32 buffer_size_min; /* min buffer size bytes */
87 __le32 buffer_size_max; /* max buffer size bytes */
88} __packed;
89
90/* PCM v4 */
91struct snd_soc_tplg_pcm_v4 {
92 __le32 size; /* in bytes of this structure */
93 char pcm_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
94 char dai_name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
95 __le32 pcm_id; /* unique ID - used to match with DAI link */
96 __le32 dai_id; /* unique ID - used to match */
97 __le32 playback; /* supports playback mode */
98 __le32 capture; /* supports capture mode */
99 __le32 compress; /* 1 = compressed; 0 = PCM */
100 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* for DAI link */
101 __le32 num_streams; /* number of streams */
102 struct snd_soc_tplg_stream_caps_v4 caps[2]; /* playback and capture for DAI */
103} __packed;
104
593d9e52
ML		 105/* Physical link config v4 */
106struct snd_soc_tplg_link_config_v4 {
107 __le32 size; /* in bytes of this structure */
108 __le32 id; /* unique ID - used to match */
109 struct snd_soc_tplg_stream stream[SND_SOC_TPLG_STREAM_CONFIG_MAX]; /* supported configs playback and captrure */
110 __le32 num_streams; /* number of streams */
111} __packed;
112
583958fa 113/* topology context */
8a978234
LG		 114struct soc_tplg {
115 const struct firmware *fw;
116
117 /* runtime FW parsing */
118 const u8 *pos; /* read postion */
119 const u8 *hdr_pos; /* header position */
120 unsigned int pass; /* pass number */
121
122 /* component caller */
123 struct device *dev;
124 struct snd_soc_component *comp;
125 u32 index; /* current block index */
126 u32 req_index; /* required index, only loaded/free matching blocks */
127
88a17d8f 128 /* vendor specific kcontrol operations */
8a978234
LG		 129 const struct snd_soc_tplg_kcontrol_ops *io_ops;
130 int io_ops_count;
131
1a3232d2
ML		 132 /* vendor specific bytes ext handlers, for TLV bytes controls */
133 const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops;
134 int bytes_ext_ops_count;
135
8a978234
LG		 136 /* optional fw loading callbacks to component drivers */
137 struct snd_soc_tplg_ops *ops;
138};
139
140static int soc_tplg_process_headers(struct soc_tplg *tplg);
141static void soc_tplg_complete(struct soc_tplg *tplg);
142struct snd_soc_dapm_widget *
143snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm,
144 const struct snd_soc_dapm_widget *widget);
145struct snd_soc_dapm_widget *
146snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
147 const struct snd_soc_dapm_widget *widget);
148
149/* check we dont overflow the data for this control chunk */
150static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size,
151 unsigned int count, size_t bytes, const char *elem_type)
152{
153 const u8 *end = tplg->pos + elem_size * count;
154
155 if (end > tplg->fw->data + tplg->fw->size) {
156 dev_err(tplg->dev, "ASoC: %s overflow end of data\n",
157 elem_type);
158 return -EINVAL;
159 }
160
161 /* check there is enough room in chunk for control.
162 extra bytes at the end of control are for vendor data here */
163 if (elem_size * count > bytes) {
164 dev_err(tplg->dev,
165 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
166 elem_type, count, elem_size, bytes);
167 return -EINVAL;
168 }
169
170 return 0;
171}
172
173static inline int soc_tplg_is_eof(struct soc_tplg *tplg)
174{
175 const u8 *end = tplg->hdr_pos;
176
177 if (end >= tplg->fw->data + tplg->fw->size)
178 return 1;
179 return 0;
180}
181
182static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg)
183{
184 return (unsigned long)(tplg->hdr_pos - tplg->fw->data);
185}
186
187static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg)
188{
189 return (unsigned long)(tplg->pos - tplg->fw->data);
190}
191
192/* mapping of Kcontrol types and associated operations. */
193static const struct snd_soc_tplg_kcontrol_ops io_ops[] = {
194 {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw,
195 snd_soc_put_volsw, snd_soc_info_volsw},
196 {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx,
197 snd_soc_put_volsw_sx, NULL},
198 {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double,
199 snd_soc_put_enum_double, snd_soc_info_enum_double},
200 {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double,
201 snd_soc_put_enum_double, NULL},
202 {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get,
203 snd_soc_bytes_put, snd_soc_bytes_info},
204 {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range,
205 snd_soc_put_volsw_range, snd_soc_info_volsw_range},
206 {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx,
207 snd_soc_put_xr_sx, snd_soc_info_xr_sx},
208 {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe,
209 snd_soc_put_strobe, NULL},
210 {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw,
2c57d478 211 snd_soc_dapm_put_volsw, snd_soc_info_volsw},
8a978234
LG		 212 {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double,
213 snd_soc_dapm_put_enum_double, snd_soc_info_enum_double},
214 {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double,
215 snd_soc_dapm_put_enum_double, NULL},
216 {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double,
217 snd_soc_dapm_put_enum_double, NULL},
218 {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch,
219 snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch},
220};
221
222struct soc_tplg_map {
223 int uid;
224 int kid;
225};
226
227/* mapping of widget types from UAPI IDs to kernel IDs */
228static const struct soc_tplg_map dapm_map[] = {
229 {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input},
230 {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output},
231 {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux},
232 {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer},
233 {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga},
234 {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv},
235 {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc},
236 {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac},
237 {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch},
238 {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre},
239 {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post},
240 {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in},
241 {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out},
242 {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in},
243 {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out},
244 {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link},
8a70b454
LG		 245 {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer},
246 {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler},
247 {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect},
248 {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen},
249 {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src},
250 {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc},
251 {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder},
252 {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder},
8a978234
LG		 253};
254
255static int tplc_chan_get_reg(struct soc_tplg *tplg,
256 struct snd_soc_tplg_channel *chan, int map)
257{
258 int i;
259
260 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
261 if (chan[i].id == map)
262 return chan[i].reg;
263 }
264
265 return -EINVAL;
266}
267
268static int tplc_chan_get_shift(struct soc_tplg *tplg,
269 struct snd_soc_tplg_channel *chan, int map)
270{
271 int i;
272
273 for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) {
274 if (chan[i].id == map)
275 return chan[i].shift;
276 }
277
278 return -EINVAL;
279}
280
281static int get_widget_id(int tplg_type)
282{
283 int i;
284
285 for (i = 0; i < ARRAY_SIZE(dapm_map); i++) {
286 if (tplg_type == dapm_map[i].uid)
287 return dapm_map[i].kid;
288 }
289
290 return -EINVAL;
291}
292
8a978234
LG		 293static inline void soc_bind_err(struct soc_tplg *tplg,
294 struct snd_soc_tplg_ctl_hdr *hdr, int index)
295{
296 dev_err(tplg->dev,
297 "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n",
298 hdr->ops.get, hdr->ops.put, hdr->ops.info, index,
299 soc_tplg_get_offset(tplg));
300}
301
302static inline void soc_control_err(struct soc_tplg *tplg,
303 struct snd_soc_tplg_ctl_hdr *hdr, const char *name)
304{
305 dev_err(tplg->dev,
306 "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n",
307 name, hdr->ops.get, hdr->ops.put, hdr->ops.info,
308 soc_tplg_get_offset(tplg));
309}
310
311/* pass vendor data to component driver for processing */
312static int soc_tplg_vendor_load_(struct soc_tplg *tplg,
313 struct snd_soc_tplg_hdr *hdr)
314{
315 int ret = 0;
316
317 if (tplg->comp && tplg->ops && tplg->ops->vendor_load)
318 ret = tplg->ops->vendor_load(tplg->comp, hdr);
319 else {
320 dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n",
321 hdr->vendor_type);
322 return -EINVAL;
323 }
324
325 if (ret < 0)
326 dev_err(tplg->dev,
327 "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n",
328 soc_tplg_get_hdr_offset(tplg),
329 soc_tplg_get_hdr_offset(tplg),
330 hdr->type, hdr->vendor_type);
331 return ret;
332}
333
334/* pass vendor data to component driver for processing */
335static int soc_tplg_vendor_load(struct soc_tplg *tplg,
336 struct snd_soc_tplg_hdr *hdr)
337{
338 if (tplg->pass != SOC_TPLG_PASS_VENDOR)
339 return 0;
340
341 return soc_tplg_vendor_load_(tplg, hdr);
342}
343
344/* optionally pass new dynamic widget to component driver. This is mainly for
345 * external widgets where we can assign private data/ops */
346static int soc_tplg_widget_load(struct soc_tplg *tplg,
347 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
348{
349 if (tplg->comp && tplg->ops && tplg->ops->widget_load)
350 return tplg->ops->widget_load(tplg->comp, w, tplg_w);
351
352 return 0;
353}
354
ebd259d3
LG		 355/* optionally pass new dynamic widget to component driver. This is mainly for
356 * external widgets where we can assign private data/ops */
357static int soc_tplg_widget_ready(struct soc_tplg *tplg,
358 struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w)
359{
360 if (tplg->comp && tplg->ops && tplg->ops->widget_ready)
361 return tplg->ops->widget_ready(tplg->comp, w, tplg_w);
362
363 return 0;
364}
365
183b8021 366/* pass DAI configurations to component driver for extra initialization */
64527e8a
ML		 367static int soc_tplg_dai_load(struct soc_tplg *tplg,
368 struct snd_soc_dai_driver *dai_drv)
8a978234 369{
64527e8a
ML		 370 if (tplg->comp && tplg->ops && tplg->ops->dai_load)
371 return tplg->ops->dai_load(tplg->comp, dai_drv);
8a978234
LG		 372
373 return 0;
374}
375
183b8021 376/* pass link configurations to component driver for extra initialization */
acfc7d46
ML		 377static int soc_tplg_dai_link_load(struct soc_tplg *tplg,
378 struct snd_soc_dai_link *link)
379{
380 if (tplg->comp && tplg->ops && tplg->ops->link_load)
381 return tplg->ops->link_load(tplg->comp, link);
382
383 return 0;
384}
385
8a978234
LG		 386/* tell the component driver that all firmware has been loaded in this request */
387static void soc_tplg_complete(struct soc_tplg *tplg)
388{
389 if (tplg->comp && tplg->ops && tplg->ops->complete)
390 tplg->ops->complete(tplg->comp);
391}
392
393/* add a dynamic kcontrol */
394static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev,
395 const struct snd_kcontrol_new *control_new, const char *prefix,
396 void *data, struct snd_kcontrol **kcontrol)
397{
398 int err;
399
400 *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix);
401 if (*kcontrol == NULL) {
402 dev_err(dev, "ASoC: Failed to create new kcontrol %s\n",
403 control_new->name);
404 return -ENOMEM;
405 }
406
407 err = snd_ctl_add(card, *kcontrol);
408 if (err < 0) {
409 dev_err(dev, "ASoC: Failed to add %s: %d\n",
410 control_new->name, err);
411 return err;
412 }
413
414 return 0;
415}
416
417/* add a dynamic kcontrol for component driver */
418static int soc_tplg_add_kcontrol(struct soc_tplg *tplg,
419 struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol)
420{
421 struct snd_soc_component *comp = tplg->comp;
422
423 return soc_tplg_add_dcontrol(comp->card->snd_card,
424 comp->dev, k, NULL, comp, kcontrol);
425}
426
427/* remove a mixer kcontrol */
428static void remove_mixer(struct snd_soc_component *comp,
429 struct snd_soc_dobj *dobj, int pass)
430{
431 struct snd_card *card = comp->card->snd_card;
432 struct soc_mixer_control *sm =
433 container_of(dobj, struct soc_mixer_control, dobj);
434 const unsigned int *p = NULL;
435
436 if (pass != SOC_TPLG_PASS_MIXER)
437 return;
438
439 if (dobj->ops && dobj->ops->control_unload)
440 dobj->ops->control_unload(comp, dobj);
441
442 if (sm->dobj.control.kcontrol->tlv.p)
443 p = sm->dobj.control.kcontrol->tlv.p;
444 snd_ctl_remove(card, sm->dobj.control.kcontrol);
445 list_del(&sm->dobj.list);
446 kfree(sm);
447 kfree(p);
448}
449
450/* remove an enum kcontrol */
451static void remove_enum(struct snd_soc_component *comp,
452 struct snd_soc_dobj *dobj, int pass)
453{
454 struct snd_card *card = comp->card->snd_card;
455 struct soc_enum *se = container_of(dobj, struct soc_enum, dobj);
456 int i;
457
458 if (pass != SOC_TPLG_PASS_MIXER)
459 return;
460
461 if (dobj->ops && dobj->ops->control_unload)
462 dobj->ops->control_unload(comp, dobj);
463
464 snd_ctl_remove(card, se->dobj.control.kcontrol);
465 list_del(&se->dobj.list);
466
467 kfree(se->dobj.control.dvalues);
468 for (i = 0; i < se->items; i++)
469 kfree(se->dobj.control.dtexts[i]);
470 kfree(se);
471}
472
473/* remove a byte kcontrol */
474static void remove_bytes(struct snd_soc_component *comp,
475 struct snd_soc_dobj *dobj, int pass)
476{
477 struct snd_card *card = comp->card->snd_card;
478 struct soc_bytes_ext *sb =
479 container_of(dobj, struct soc_bytes_ext, dobj);
480
481 if (pass != SOC_TPLG_PASS_MIXER)
482 return;
483
484 if (dobj->ops && dobj->ops->control_unload)
485 dobj->ops->control_unload(comp, dobj);
486
487 snd_ctl_remove(card, sb->dobj.control.kcontrol);
488 list_del(&sb->dobj.list);
489 kfree(sb);
490}
491
492/* remove a widget and it's kcontrols - routes must be removed first */
493static void remove_widget(struct snd_soc_component *comp,
494 struct snd_soc_dobj *dobj, int pass)
495{
496 struct snd_card *card = comp->card->snd_card;
497 struct snd_soc_dapm_widget *w =
498 container_of(dobj, struct snd_soc_dapm_widget, dobj);
499 int i;
500
501 if (pass != SOC_TPLG_PASS_WIDGET)
502 return;
503
504 if (dobj->ops && dobj->ops->widget_unload)
505 dobj->ops->widget_unload(comp, dobj);
506
507 /*
1a7dd6e2 508 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
8a978234
LG		 509 * The enum may either have an array of values or strings.
510 */
eea3dd4f 511 if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
8a978234 512 /* enumerated widget mixer */
1a7dd6e2
ML		 513 for (i = 0; i < w->num_kcontrols; i++) {
514 struct snd_kcontrol *kcontrol = w->kcontrols[i];
515 struct soc_enum *se =
516 (struct soc_enum *)kcontrol->private_value;
d7766aa5 517 int j;
8a978234 518
1a7dd6e2 519 snd_ctl_remove(card, kcontrol);
8a978234 520
1a7dd6e2 521 kfree(se->dobj.control.dvalues);
d7766aa5
CIK		 522 for (j = 0; j < se->items; j++)
523 kfree(se->dobj.control.dtexts[j]);
8a978234 524
1a7dd6e2
ML		 525 kfree(se);
526 }
8a978234
LG		 527 kfree(w->kcontrol_news);
528 } else {
eea3dd4f 529 /* volume mixer or bytes controls */
8a978234
LG		 530 for (i = 0; i < w->num_kcontrols; i++) {
531 struct snd_kcontrol *kcontrol = w->kcontrols[i];
8a978234 532
eea3dd4f
ML		 533 if (dobj->widget.kcontrol_type
534 == SND_SOC_TPLG_TYPE_MIXER)
535 kfree(kcontrol->tlv.p);
8a978234 536
eea3dd4f
ML		 537 /* Private value is used as struct soc_mixer_control
538 * for volume mixers or soc_bytes_ext for bytes
539 * controls.
540 */
541 kfree((void *)kcontrol->private_value);
c2b36129 542 snd_ctl_remove(card, kcontrol);
8a978234
LG		 543 }
544 kfree(w->kcontrol_news);
545 }
546 /* widget w is freed by soc-dapm.c */
547}
548
64527e8a
ML		 549/* remove DAI configurations */
550static void remove_dai(struct snd_soc_component *comp,
8a978234
LG		 551 struct snd_soc_dobj *dobj, int pass)
552{
64527e8a
ML		 553 struct snd_soc_dai_driver *dai_drv =
554 container_of(dobj, struct snd_soc_dai_driver, dobj);
555
8a978234
LG		 556 if (pass != SOC_TPLG_PASS_PCM_DAI)
557 return;
558
64527e8a
ML		 559 if (dobj->ops && dobj->ops->dai_unload)
560 dobj->ops->dai_unload(comp, dobj);
8a978234 561
8f27c4ab 562 kfree(dai_drv->name);
8a978234 563 list_del(&dobj->list);
64527e8a 564 kfree(dai_drv);
8a978234
LG		 565}
566
acfc7d46
ML		 567/* remove link configurations */
568static void remove_link(struct snd_soc_component *comp,
569 struct snd_soc_dobj *dobj, int pass)
570{
571 struct snd_soc_dai_link *link =
572 container_of(dobj, struct snd_soc_dai_link, dobj);
573
574 if (pass != SOC_TPLG_PASS_PCM_DAI)
575 return;
576
577 if (dobj->ops && dobj->ops->link_unload)
578 dobj->ops->link_unload(comp, dobj);
579
8f27c4ab
ML		 580 kfree(link->name);
581 kfree(link->stream_name);
582 kfree(link->cpu_dai_name);
583
acfc7d46
ML		 584 list_del(&dobj->list);
585 snd_soc_remove_dai_link(comp->card, link);
586 kfree(link);
587}
588
8a978234
LG		 589/* bind a kcontrol to it's IO handlers */
590static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr,
591 struct snd_kcontrol_new *k,
2b5cdb91 592 const struct soc_tplg *tplg)
8a978234 593{
2b5cdb91 594 const struct snd_soc_tplg_kcontrol_ops *ops;
1a3232d2 595 const struct snd_soc_tplg_bytes_ext_ops *ext_ops;
2b5cdb91 596 int num_ops, i;
8a978234 597
1a3232d2
ML		 598 if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES
599 && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER
600 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
601 && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
602 struct soc_bytes_ext *sbe;
603 struct snd_soc_tplg_bytes_control *be;
604
605 sbe = (struct soc_bytes_ext *)k->private_value;
606 be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr);
607
608 /* TLV bytes controls need standard kcontrol info handler,
609 * TLV callback and extended put/get handlers.
610 */
f4be978b 611 k->info = snd_soc_bytes_info_ext;
1a3232d2
ML		 612 k->tlv.c = snd_soc_bytes_tlv_callback;
613
614 ext_ops = tplg->bytes_ext_ops;
615 num_ops = tplg->bytes_ext_ops_count;
616 for (i = 0; i < num_ops; i++) {
617 if (!sbe->put && ext_ops[i].id == be->ext_ops.put)
618 sbe->put = ext_ops[i].put;
619 if (!sbe->get && ext_ops[i].id == be->ext_ops.get)
620 sbe->get = ext_ops[i].get;
621 }
622
623 if (sbe->put && sbe->get)
624 return 0;
625 else
626 return -EINVAL;
627 }
8a978234 628
88a17d8f 629 /* try and map vendor specific kcontrol handlers first */
2b5cdb91
ML		 630 ops = tplg->io_ops;
631 num_ops = tplg->io_ops_count;
8a978234
LG		 632 for (i = 0; i < num_ops; i++) {
633
2b5cdb91 634 if (k->put == NULL && ops[i].id == hdr->ops.put)
8a978234 635 k->put = ops[i].put;
2b5cdb91 636 if (k->get == NULL && ops[i].id == hdr->ops.get)
8a978234 637 k->get = ops[i].get;
2b5cdb91 638 if (k->info == NULL && ops[i].id == hdr->ops.info)
8a978234
LG		 639 k->info = ops[i].info;
640 }
641
88a17d8f 642 /* vendor specific handlers found ? */
8a978234
LG		 643 if (k->put && k->get && k->info)
644 return 0;
645
88a17d8f 646 /* none found so try standard kcontrol handlers */
2b5cdb91
ML		 647 ops = io_ops;
648 num_ops = ARRAY_SIZE(io_ops);
88a17d8f 649 for (i = 0; i < num_ops; i++) {
8a978234 650
88a17d8f
ML		 651 if (k->put == NULL && ops[i].id == hdr->ops.put)
652 k->put = ops[i].put;
653 if (k->get == NULL && ops[i].id == hdr->ops.get)
654 k->get = ops[i].get;
8a978234 655 if (k->info == NULL && ops[i].id == hdr->ops.info)
88a17d8f 656 k->info = ops[i].info;
8a978234
LG		 657 }
658
88a17d8f 659 /* standard handlers found ? */
8a978234
LG		 660 if (k->put && k->get && k->info)
661 return 0;
662
663 /* nothing to bind */
664 return -EINVAL;
665}
666
667/* bind a widgets to it's evnt handlers */
668int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w,
669 const struct snd_soc_tplg_widget_events *events,
670 int num_events, u16 event_type)
671{
672 int i;
673
674 w->event = NULL;
675
676 for (i = 0; i < num_events; i++) {
677 if (event_type == events[i].type) {
678
679 /* found - so assign event */
680 w->event = events[i].event_handler;
681 return 0;
682 }
683 }
684
685 /* not found */
686 return -EINVAL;
687}
688EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event);
689
690/* optionally pass new dynamic kcontrol to component driver. */
691static int soc_tplg_init_kcontrol(struct soc_tplg *tplg,
692 struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr)
693{
694 if (tplg->comp && tplg->ops && tplg->ops->control_load)
695 return tplg->ops->control_load(tplg->comp, k, hdr);
696
697 return 0;
698}
699
8a978234 700
28a87eeb
ML		 701static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg,
702 struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale)
703{
704 unsigned int item_len = 2 * sizeof(unsigned int);
705 unsigned int *p;
8a978234 706
28a87eeb
ML		 707 p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL);
708 if (!p)
8a978234
LG		 709 return -ENOMEM;
710
28a87eeb
ML		 711 p[0] = SNDRV_CTL_TLVT_DB_SCALE;
712 p[1] = item_len;
713 p[2] = scale->min;
714 p[3] = (scale->step & TLV_DB_SCALE_MASK)
715 | (scale->mute ? TLV_DB_SCALE_MUTE : 0);
716
717 kc->tlv.p = (void *)p;
718 return 0;
719}
720
721static int soc_tplg_create_tlv(struct soc_tplg *tplg,
722 struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc)
723{
724 struct snd_soc_tplg_ctl_tlv *tplg_tlv;
725
726 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE))
727 return 0;
8a978234 728
1a3232d2 729 if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) {
28a87eeb
ML		 730 tplg_tlv = &tc->tlv;
731 switch (tplg_tlv->type) {
732 case SNDRV_CTL_TLVT_DB_SCALE:
733 return soc_tplg_create_tlv_db_scale(tplg, kc,
734 &tplg_tlv->scale);
735
736 /* TODO: add support for other TLV types */
737 default:
738 dev_dbg(tplg->dev, "Unsupported TLV type %d\n",
739 tplg_tlv->type);
740 return -EINVAL;
741 }
742 }
8a978234
LG		 743
744 return 0;
745}
746
747static inline void soc_tplg_free_tlv(struct soc_tplg *tplg,
748 struct snd_kcontrol_new *kc)
749{
750 kfree(kc->tlv.p);
751}
752
753static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count,
754 size_t size)
755{
756 struct snd_soc_tplg_bytes_control *be;
757 struct soc_bytes_ext *sbe;
758 struct snd_kcontrol_new kc;
759 int i, err;
760
761 if (soc_tplg_check_elem_count(tplg,
762 sizeof(struct snd_soc_tplg_bytes_control), count,
763 size, "mixer bytes")) {
764 dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n",
765 count);
766 return -EINVAL;
767 }
768
769 for (i = 0; i < count; i++) {
770 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
771
772 /* validate kcontrol */
773 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
774 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
775 return -EINVAL;
776
777 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
778 if (sbe == NULL)
779 return -ENOMEM;
780
781 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
782 be->priv.size);
783
784 dev_dbg(tplg->dev,
785 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
786 be->hdr.name, be->hdr.access);
787
788 memset(&kc, 0, sizeof(kc));
789 kc.name = be->hdr.name;
790 kc.private_value = (long)sbe;
791 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
792 kc.access = be->hdr.access;
793
794 sbe->max = be->max;
795 sbe->dobj.type = SND_SOC_DOBJ_BYTES;
796 sbe->dobj.ops = tplg->ops;
797 INIT_LIST_HEAD(&sbe->dobj.list);
798
799 /* map io handlers */
2b5cdb91 800 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg);
8a978234
LG		 801 if (err) {
802 soc_control_err(tplg, &be->hdr, be->hdr.name);
803 kfree(sbe);
804 continue;
805 }
806
807 /* pass control to driver for optional further init */
808 err = soc_tplg_init_kcontrol(tplg, &kc,
809 (struct snd_soc_tplg_ctl_hdr *)be);
810 if (err < 0) {
811 dev_err(tplg->dev, "ASoC: failed to init %s\n",
812 be->hdr.name);
813 kfree(sbe);
814 continue;
815 }
816
817 /* register control here */
818 err = soc_tplg_add_kcontrol(tplg, &kc,
819 &sbe->dobj.control.kcontrol);
820 if (err < 0) {
821 dev_err(tplg->dev, "ASoC: failed to add %s\n",
822 be->hdr.name);
823 kfree(sbe);
824 continue;
825 }
826
827 list_add(&sbe->dobj.list, &tplg->comp->dobj_list);
828 }
829 return 0;
830
831}
832
833static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count,
834 size_t size)
835{
836 struct snd_soc_tplg_mixer_control *mc;
837 struct soc_mixer_control *sm;
838 struct snd_kcontrol_new kc;
839 int i, err;
840
841 if (soc_tplg_check_elem_count(tplg,
842 sizeof(struct snd_soc_tplg_mixer_control),
843 count, size, "mixers")) {
844
845 dev_err(tplg->dev, "ASoC: invalid count %d for controls\n",
846 count);
847 return -EINVAL;
848 }
849
850 for (i = 0; i < count; i++) {
851 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
852
853 /* validate kcontrol */
854 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
855 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
856 return -EINVAL;
857
858 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
859 if (sm == NULL)
860 return -ENOMEM;
861 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
862 mc->priv.size);
863
864 dev_dbg(tplg->dev,
865 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
866 mc->hdr.name, mc->hdr.access);
867
868 memset(&kc, 0, sizeof(kc));
869 kc.name = mc->hdr.name;
870 kc.private_value = (long)sm;
871 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
872 kc.access = mc->hdr.access;
873
874 /* we only support FL/FR channel mapping atm */
875 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
876 SNDRV_CHMAP_FL);
877 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
878 SNDRV_CHMAP_FR);
879 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
880 SNDRV_CHMAP_FL);
881 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
882 SNDRV_CHMAP_FR);
883
884 sm->max = mc->max;
885 sm->min = mc->min;
886 sm->invert = mc->invert;
887 sm->platform_max = mc->platform_max;
888 sm->dobj.index = tplg->index;
889 sm->dobj.ops = tplg->ops;
890 sm->dobj.type = SND_SOC_DOBJ_MIXER;
891 INIT_LIST_HEAD(&sm->dobj.list);
892
893 /* map io handlers */
2b5cdb91 894 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg);
8a978234
LG		 895 if (err) {
896 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
897 kfree(sm);
898 continue;
899 }
900
901 /* pass control to driver for optional further init */
902 err = soc_tplg_init_kcontrol(tplg, &kc,
903 (struct snd_soc_tplg_ctl_hdr *) mc);
904 if (err < 0) {
905 dev_err(tplg->dev, "ASoC: failed to init %s\n",
906 mc->hdr.name);
907 kfree(sm);
908 continue;
909 }
910
911 /* create any TLV data */
28a87eeb 912 soc_tplg_create_tlv(tplg, &kc, &mc->hdr);
8a978234
LG		 913
914 /* register control here */
915 err = soc_tplg_add_kcontrol(tplg, &kc,
916 &sm->dobj.control.kcontrol);
917 if (err < 0) {
918 dev_err(tplg->dev, "ASoC: failed to add %s\n",
919 mc->hdr.name);
920 soc_tplg_free_tlv(tplg, &kc);
921 kfree(sm);
922 continue;
923 }
924
925 list_add(&sm->dobj.list, &tplg->comp->dobj_list);
926 }
927
928 return 0;
929}
930
931static int soc_tplg_denum_create_texts(struct soc_enum *se,
932 struct snd_soc_tplg_enum_control *ec)
933{
934 int i, ret;
935
936 se->dobj.control.dtexts =
937 kzalloc(sizeof(char *) * ec->items, GFP_KERNEL);
938 if (se->dobj.control.dtexts == NULL)
939 return -ENOMEM;
940
941 for (i = 0; i < ec->items; i++) {
942
943 if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
944 SNDRV_CTL_ELEM_ID_NAME_MAXLEN) {
945 ret = -EINVAL;
946 goto err;
947 }
948
949 se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL);
950 if (!se->dobj.control.dtexts[i]) {
951 ret = -ENOMEM;
952 goto err;
953 }
954 }
955
b6e38b29 956 se->texts = (const char * const *)se->dobj.control.dtexts;
8a978234
LG		 957 return 0;
958
959err:
960 for (--i; i >= 0; i--)
961 kfree(se->dobj.control.dtexts[i]);
962 kfree(se->dobj.control.dtexts);
963 return ret;
964}
965
966static int soc_tplg_denum_create_values(struct soc_enum *se,
967 struct snd_soc_tplg_enum_control *ec)
968{
969 if (ec->items > sizeof(*ec->values))
970 return -EINVAL;
971
376c0afe
AH		 972 se->dobj.control.dvalues = kmemdup(ec->values,
973 ec->items * sizeof(u32),
974 GFP_KERNEL);
8a978234
LG		 975 if (!se->dobj.control.dvalues)
976 return -ENOMEM;
977
8a978234
LG		 978 return 0;
979}
980
981static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count,
982 size_t size)
983{
984 struct snd_soc_tplg_enum_control *ec;
985 struct soc_enum *se;
986 struct snd_kcontrol_new kc;
987 int i, ret, err;
988
989 if (soc_tplg_check_elem_count(tplg,
990 sizeof(struct snd_soc_tplg_enum_control),
991 count, size, "enums")) {
992
993 dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n",
994 count);
995 return -EINVAL;
996 }
997
998 for (i = 0; i < count; i++) {
999 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1000 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1001 ec->priv.size);
1002
1003 /* validate kcontrol */
1004 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1005 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1006 return -EINVAL;
1007
1008 se = kzalloc((sizeof(*se)), GFP_KERNEL);
1009 if (se == NULL)
1010 return -ENOMEM;
1011
1012 dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n",
1013 ec->hdr.name, ec->items);
1014
1015 memset(&kc, 0, sizeof(kc));
1016 kc.name = ec->hdr.name;
1017 kc.private_value = (long)se;
1018 kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1019 kc.access = ec->hdr.access;
1020
1021 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1022 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1023 SNDRV_CHMAP_FL);
1024 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1025 SNDRV_CHMAP_FL);
1026
1027 se->items = ec->items;
1028 se->mask = ec->mask;
1029 se->dobj.index = tplg->index;
1030 se->dobj.type = SND_SOC_DOBJ_ENUM;
1031 se->dobj.ops = tplg->ops;
1032 INIT_LIST_HEAD(&se->dobj.list);
1033
1034 switch (ec->hdr.ops.info) {
1035 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1036 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1037 err = soc_tplg_denum_create_values(se, ec);
1038 if (err < 0) {
1039 dev_err(tplg->dev,
1040 "ASoC: could not create values for %s\n",
1041 ec->hdr.name);
1042 kfree(se);
1043 continue;
1044 }
1045 /* fall through and create texts */
1046 case SND_SOC_TPLG_CTL_ENUM:
1047 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1048 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1049 err = soc_tplg_denum_create_texts(se, ec);
1050 if (err < 0) {
1051 dev_err(tplg->dev,
1052 "ASoC: could not create texts for %s\n",
1053 ec->hdr.name);
1054 kfree(se);
1055 continue;
1056 }
1057 break;
1058 default:
1059 dev_err(tplg->dev,
1060 "ASoC: invalid enum control type %d for %s\n",
1061 ec->hdr.ops.info, ec->hdr.name);
1062 kfree(se);
1063 continue;
1064 }
1065
1066 /* map io handlers */
2b5cdb91 1067 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg);
8a978234
LG		 1068 if (err) {
1069 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1070 kfree(se);
1071 continue;
1072 }
1073
1074 /* pass control to driver for optional further init */
1075 err = soc_tplg_init_kcontrol(tplg, &kc,
1076 (struct snd_soc_tplg_ctl_hdr *) ec);
1077 if (err < 0) {
1078 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1079 ec->hdr.name);
1080 kfree(se);
1081 continue;
1082 }
1083
1084 /* register control here */
1085 ret = soc_tplg_add_kcontrol(tplg,
1086 &kc, &se->dobj.control.kcontrol);
1087 if (ret < 0) {
1088 dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n",
1089 ec->hdr.name);
1090 kfree(se);
1091 continue;
1092 }
1093
1094 list_add(&se->dobj.list, &tplg->comp->dobj_list);
1095 }
1096
1097 return 0;
1098}
1099
1100static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg,
1101 struct snd_soc_tplg_hdr *hdr)
1102{
1103 struct snd_soc_tplg_ctl_hdr *control_hdr;
1104 int i;
1105
1106 if (tplg->pass != SOC_TPLG_PASS_MIXER) {
1107 tplg->pos += hdr->size + hdr->payload_size;
1108 return 0;
1109 }
1110
1111 dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count,
1112 soc_tplg_get_offset(tplg));
1113
1114 for (i = 0; i < hdr->count; i++) {
1115
1116 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1117
06eb49f7
ML		 1118 if (control_hdr->size != sizeof(*control_hdr)) {
1119 dev_err(tplg->dev, "ASoC: invalid control size\n");
1120 return -EINVAL;
1121 }
1122
8a978234
LG		 1123 switch (control_hdr->ops.info) {
1124 case SND_SOC_TPLG_CTL_VOLSW:
1125 case SND_SOC_TPLG_CTL_STROBE:
1126 case SND_SOC_TPLG_CTL_VOLSW_SX:
1127 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1128 case SND_SOC_TPLG_CTL_RANGE:
1129 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
1130 case SND_SOC_TPLG_DAPM_CTL_PIN:
1131 soc_tplg_dmixer_create(tplg, 1, hdr->payload_size);
1132 break;
1133 case SND_SOC_TPLG_CTL_ENUM:
1134 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1135 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1136 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1137 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1138 soc_tplg_denum_create(tplg, 1, hdr->payload_size);
1139 break;
1140 case SND_SOC_TPLG_CTL_BYTES:
1141 soc_tplg_dbytes_create(tplg, 1, hdr->payload_size);
1142 break;
1143 default:
1144 soc_bind_err(tplg, control_hdr, i);
1145 return -EINVAL;
1146 }
1147 }
1148
1149 return 0;
1150}
1151
1152static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg,
1153 struct snd_soc_tplg_hdr *hdr)
1154{
1155 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1156 struct snd_soc_dapm_route route;
1157 struct snd_soc_tplg_dapm_graph_elem *elem;
1158 int count = hdr->count, i;
1159
1160 if (tplg->pass != SOC_TPLG_PASS_GRAPH) {
1161 tplg->pos += hdr->size + hdr->payload_size;
1162 return 0;
1163 }
1164
1165 if (soc_tplg_check_elem_count(tplg,
1166 sizeof(struct snd_soc_tplg_dapm_graph_elem),
1167 count, hdr->payload_size, "graph")) {
1168
1169 dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n",
1170 count);
1171 return -EINVAL;
1172 }
1173
b75a6511
LG		 1174 dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n", count,
1175 hdr->index);
8a978234
LG		 1176
1177 for (i = 0; i < count; i++) {
1178 elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos;
1179 tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem);
1180
1181 /* validate routes */
1182 if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1183 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1184 return -EINVAL;
1185 if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1186 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1187 return -EINVAL;
1188 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1189 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1190 return -EINVAL;
1191
1192 route.source = elem->source;
1193 route.sink = elem->sink;
1194 route.connected = NULL; /* set to NULL atm for tplg users */
1195 if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0)
1196 route.control = NULL;
1197 else
1198 route.control = elem->control;
1199
1200 /* add route, but keep going if some fail */
1201 snd_soc_dapm_add_routes(dapm, &route, 1);
1202 }
1203
1204 return 0;
1205}
1206
1207static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create(
1208 struct soc_tplg *tplg, int num_kcontrols)
1209{
1210 struct snd_kcontrol_new *kc;
1211 struct soc_mixer_control *sm;
1212 struct snd_soc_tplg_mixer_control *mc;
1213 int i, err;
1214
4ca7deb1 1215 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1216 if (kc == NULL)
1217 return NULL;
1218
1219 for (i = 0; i < num_kcontrols; i++) {
1220 mc = (struct snd_soc_tplg_mixer_control *)tplg->pos;
1221 sm = kzalloc(sizeof(*sm), GFP_KERNEL);
1222 if (sm == NULL)
1223 goto err;
1224
1225 tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) +
1226 mc->priv.size);
1227
1228 /* validate kcontrol */
1229 if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1230 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1231 goto err_str;
1232
1233 dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n",
1234 mc->hdr.name, i);
1235
1236 kc[i].name = mc->hdr.name;
1237 kc[i].private_value = (long)sm;
1238 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1239 kc[i].access = mc->hdr.access;
1240
1241 /* we only support FL/FR channel mapping atm */
1242 sm->reg = tplc_chan_get_reg(tplg, mc->channel,
1243 SNDRV_CHMAP_FL);
1244 sm->rreg = tplc_chan_get_reg(tplg, mc->channel,
1245 SNDRV_CHMAP_FR);
1246 sm->shift = tplc_chan_get_shift(tplg, mc->channel,
1247 SNDRV_CHMAP_FL);
1248 sm->rshift = tplc_chan_get_shift(tplg, mc->channel,
1249 SNDRV_CHMAP_FR);
1250
1251 sm->max = mc->max;
1252 sm->min = mc->min;
1253 sm->invert = mc->invert;
1254 sm->platform_max = mc->platform_max;
1255 sm->dobj.index = tplg->index;
1256 INIT_LIST_HEAD(&sm->dobj.list);
1257
1258 /* map io handlers */
2b5cdb91 1259 err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg);
8a978234
LG		 1260 if (err) {
1261 soc_control_err(tplg, &mc->hdr, mc->hdr.name);
1262 kfree(sm);
1263 continue;
1264 }
1265
1266 /* pass control to driver for optional further init */
1267 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1268 (struct snd_soc_tplg_ctl_hdr *)mc);
1269 if (err < 0) {
1270 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1271 mc->hdr.name);
1272 kfree(sm);
1273 continue;
1274 }
bde8b388
RS		 1275
1276 /* create any TLV data */
1277 soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr);
8a978234
LG		 1278 }
1279 return kc;
1280
1281err_str:
1282 kfree(sm);
1283err:
1284 for (--i; i >= 0; i--)
1285 kfree((void *)kc[i].private_value);
1286 kfree(kc);
1287 return NULL;
1288}
1289
1290static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
1a7dd6e2 1291 struct soc_tplg *tplg, int num_kcontrols)
8a978234
LG		 1292{
1293 struct snd_kcontrol_new *kc;
1294 struct snd_soc_tplg_enum_control *ec;
1295 struct soc_enum *se;
1a7dd6e2 1296 int i, j, err;
8a978234 1297
1a7dd6e2 1298 kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1299 if (kc == NULL)
1300 return NULL;
1301
1a7dd6e2
ML		 1302 for (i = 0; i < num_kcontrols; i++) {
1303 ec = (struct snd_soc_tplg_enum_control *)tplg->pos;
1304 /* validate kcontrol */
1305 if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1306 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
f3ee9096 1307 goto err;
1a7dd6e2
ML		 1308
1309 se = kzalloc(sizeof(*se), GFP_KERNEL);
1310 if (se == NULL)
1311 goto err;
8a978234 1312
1a7dd6e2
ML		 1313 dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n",
1314 ec->hdr.name);
8a978234 1315
1a7dd6e2
ML		 1316 kc[i].name = ec->hdr.name;
1317 kc[i].private_value = (long)se;
1318 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1319 kc[i].access = ec->hdr.access;
8a978234 1320
1a7dd6e2
ML		 1321 /* we only support FL/FR channel mapping atm */
1322 se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL);
1323 se->shift_l = tplc_chan_get_shift(tplg, ec->channel,
1324 SNDRV_CHMAP_FL);
1325 se->shift_r = tplc_chan_get_shift(tplg, ec->channel,
1326 SNDRV_CHMAP_FR);
8a978234 1327
1a7dd6e2
ML		 1328 se->items = ec->items;
1329 se->mask = ec->mask;
1330 se->dobj.index = tplg->index;
8a978234 1331
1a7dd6e2
ML		 1332 switch (ec->hdr.ops.info) {
1333 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1334 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
1335 err = soc_tplg_denum_create_values(se, ec);
1336 if (err < 0) {
1337 dev_err(tplg->dev, "ASoC: could not create values for %s\n",
1338 ec->hdr.name);
1339 goto err_se;
1340 }
1341 /* fall through to create texts */
1342 case SND_SOC_TPLG_CTL_ENUM:
1343 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1344 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1345 err = soc_tplg_denum_create_texts(se, ec);
1346 if (err < 0) {
1347 dev_err(tplg->dev, "ASoC: could not create texts for %s\n",
1348 ec->hdr.name);
1349 goto err_se;
1350 }
1351 break;
1352 default:
1353 dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n",
1354 ec->hdr.ops.info, ec->hdr.name);
8a978234
LG		 1355 goto err_se;
1356 }
1a7dd6e2
ML		 1357
1358 /* map io handlers */
1359 err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc[i], tplg);
1360 if (err) {
1361 soc_control_err(tplg, &ec->hdr, ec->hdr.name);
1362 goto err_se;
1363 }
1364
1365 /* pass control to driver for optional further init */
1366 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1367 (struct snd_soc_tplg_ctl_hdr *)ec);
8a978234 1368 if (err < 0) {
1a7dd6e2 1369 dev_err(tplg->dev, "ASoC: failed to init %s\n",
8a978234
LG		 1370 ec->hdr.name);
1371 goto err_se;
1372 }
8a978234 1373
1a7dd6e2
ML		 1374 tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) +
1375 ec->priv.size);
8a978234
LG		 1376 }
1377
1378 return kc;
1379
1380err_se:
1a7dd6e2
ML		 1381 for (; i >= 0; i--) {
1382 /* free values and texts */
1383 se = (struct soc_enum *)kc[i].private_value;
6d5574ed
CJ		 1384 if (!se)
1385 continue;
1386
1a7dd6e2
ML		 1387 kfree(se->dobj.control.dvalues);
1388 for (j = 0; j < ec->items; j++)
1389 kfree(se->dobj.control.dtexts[j]);
8a978234 1390
1a7dd6e2
ML		 1391 kfree(se);
1392 }
8a978234
LG		 1393err:
1394 kfree(kc);
1395
1396 return NULL;
1397}
1398
1399static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
1400 struct soc_tplg *tplg, int count)
1401{
1402 struct snd_soc_tplg_bytes_control *be;
1403 struct soc_bytes_ext *sbe;
1404 struct snd_kcontrol_new *kc;
1405 int i, err;
1406
4ca7deb1 1407 kc = kcalloc(count, sizeof(*kc), GFP_KERNEL);
8a978234
LG		 1408 if (!kc)
1409 return NULL;
1410
1411 for (i = 0; i < count; i++) {
1412 be = (struct snd_soc_tplg_bytes_control *)tplg->pos;
1413
1414 /* validate kcontrol */
1415 if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1416 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1417 goto err;
1418
1419 sbe = kzalloc(sizeof(*sbe), GFP_KERNEL);
1420 if (sbe == NULL)
1421 goto err;
1422
1423 tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) +
1424 be->priv.size);
1425
1426 dev_dbg(tplg->dev,
1427 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1428 be->hdr.name, be->hdr.access);
1429
8a978234
LG		 1430 kc[i].name = be->hdr.name;
1431 kc[i].private_value = (long)sbe;
1432 kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1433 kc[i].access = be->hdr.access;
1434
1435 sbe->max = be->max;
1436 INIT_LIST_HEAD(&sbe->dobj.list);
1437
1438 /* map standard io handlers and check for external handlers */
2b5cdb91 1439 err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg);
8a978234
LG		 1440 if (err) {
1441 soc_control_err(tplg, &be->hdr, be->hdr.name);
1442 kfree(sbe);
1443 continue;
1444 }
1445
1446 /* pass control to driver for optional further init */
1447 err = soc_tplg_init_kcontrol(tplg, &kc[i],
1448 (struct snd_soc_tplg_ctl_hdr *)be);
1449 if (err < 0) {
1450 dev_err(tplg->dev, "ASoC: failed to init %s\n",
1451 be->hdr.name);
1452 kfree(sbe);
1453 continue;
1454 }
1455 }
1456
1457 return kc;
1458
1459err:
1460 for (--i; i >= 0; i--)
1461 kfree((void *)kc[i].private_value);
1462
1463 kfree(kc);
1464 return NULL;
1465}
1466
1467static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
1468 struct snd_soc_tplg_dapm_widget *w)
1469{
1470 struct snd_soc_dapm_context *dapm = &tplg->comp->dapm;
1471 struct snd_soc_dapm_widget template, *widget;
1472 struct snd_soc_tplg_ctl_hdr *control_hdr;
1473 struct snd_soc_card *card = tplg->comp->card;
eea3dd4f 1474 unsigned int kcontrol_type;
8a978234
LG		 1475 int ret = 0;
1476
1477 if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1478 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1479 return -EINVAL;
1480 if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) ==
1481 SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
1482 return -EINVAL;
1483
1484 dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n",
1485 w->name, w->id);
1486
1487 memset(&template, 0, sizeof(template));
1488
1489 /* map user to kernel widget ID */
1490 template.id = get_widget_id(w->id);
1491 if (template.id < 0)
1492 return template.id;
1493
c3421a6a 1494 /* strings are allocated here, but used and freed by the widget */
8a978234
LG		 1495 template.name = kstrdup(w->name, GFP_KERNEL);
1496 if (!template.name)
1497 return -ENOMEM;
1498 template.sname = kstrdup(w->sname, GFP_KERNEL);
1499 if (!template.sname) {
1500 ret = -ENOMEM;
1501 goto err;
1502 }
1503 template.reg = w->reg;
1504 template.shift = w->shift;
1505 template.mask = w->mask;
6dc6db79 1506 template.subseq = w->subseq;
8a978234
LG		 1507 template.on_val = w->invert ? 0 : 1;
1508 template.off_val = w->invert ? 1 : 0;
1509 template.ignore_suspend = w->ignore_suspend;
1510 template.event_flags = w->event_flags;
1511 template.dobj.index = tplg->index;
1512
1513 tplg->pos +=
1514 (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size);
1515 if (w->num_kcontrols == 0) {
dd5abb74 1516 kcontrol_type = 0;
8a978234
LG		 1517 template.num_kcontrols = 0;
1518 goto widget;
1519 }
1520
1521 control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
1522 dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n",
1523 w->name, w->num_kcontrols, control_hdr->type);
1524
1525 switch (control_hdr->ops.info) {
1526 case SND_SOC_TPLG_CTL_VOLSW:
1527 case SND_SOC_TPLG_CTL_STROBE:
1528 case SND_SOC_TPLG_CTL_VOLSW_SX:
1529 case SND_SOC_TPLG_CTL_VOLSW_XR_SX:
1530 case SND_SOC_TPLG_CTL_RANGE:
1531 case SND_SOC_TPLG_DAPM_CTL_VOLSW:
eea3dd4f 1532 kcontrol_type = SND_SOC_TPLG_TYPE_MIXER; /* volume mixer */
8a978234
LG		 1533 template.num_kcontrols = w->num_kcontrols;
1534 template.kcontrol_news =
1535 soc_tplg_dapm_widget_dmixer_create(tplg,
1536 template.num_kcontrols);
1537 if (!template.kcontrol_news) {
1538 ret = -ENOMEM;
1539 goto hdr_err;
1540 }
1541 break;
1542 case SND_SOC_TPLG_CTL_ENUM:
1543 case SND_SOC_TPLG_CTL_ENUM_VALUE:
1544 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE:
1545 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT:
1546 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE:
eea3dd4f 1547 kcontrol_type = SND_SOC_TPLG_TYPE_ENUM; /* enumerated mixer */
1a7dd6e2 1548 template.num_kcontrols = w->num_kcontrols;
8a978234 1549 template.kcontrol_news =
1a7dd6e2
ML		 1550 soc_tplg_dapm_widget_denum_create(tplg,
1551 template.num_kcontrols);
8a978234
LG		 1552 if (!template.kcontrol_news) {
1553 ret = -ENOMEM;
1554 goto hdr_err;
1555 }
1556 break;
1557 case SND_SOC_TPLG_CTL_BYTES:
eea3dd4f 1558 kcontrol_type = SND_SOC_TPLG_TYPE_BYTES; /* bytes control */
8a978234
LG		 1559 template.num_kcontrols = w->num_kcontrols;
1560 template.kcontrol_news =
1561 soc_tplg_dapm_widget_dbytes_create(tplg,
1562 template.num_kcontrols);
1563 if (!template.kcontrol_news) {
1564 ret = -ENOMEM;
1565 goto hdr_err;
1566 }
1567 break;
1568 default:
1569 dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n",
1570 control_hdr->ops.get, control_hdr->ops.put,
1571 control_hdr->ops.info);
1572 ret = -EINVAL;
1573 goto hdr_err;
1574 }
1575
1576widget:
1577 ret = soc_tplg_widget_load(tplg, &template, w);
1578 if (ret < 0)
1579 goto hdr_err;
1580
1581 /* card dapm mutex is held by the core if we are loading topology
1582 * data during sound card init. */
1583 if (card->instantiated)
1584 widget = snd_soc_dapm_new_control(dapm, &template);
1585 else
1586 widget = snd_soc_dapm_new_control_unlocked(dapm, &template);
37e1df8c
LW		 1587 if (IS_ERR(widget)) {
1588 ret = PTR_ERR(widget);
1589 /* Do not nag about probe deferrals */
1590 if (ret != -EPROBE_DEFER)
1591 dev_err(tplg->dev,
1592 "ASoC: failed to create widget %s controls (%d)\n",
1593 w->name, ret);
1594 goto hdr_err;
1595 }
8a978234
LG		 1596 if (widget == NULL) {
1597 dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n",
1598 w->name);
8ae3ea48 1599 ret = -ENOMEM;
8a978234
LG		 1600 goto hdr_err;
1601 }
1602
1603 widget->dobj.type = SND_SOC_DOBJ_WIDGET;
eea3dd4f 1604 widget->dobj.widget.kcontrol_type = kcontrol_type;
8a978234
LG		 1605 widget->dobj.ops = tplg->ops;
1606 widget->dobj.index = tplg->index;
1607 list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ebd259d3
LG		 1608
1609 ret = soc_tplg_widget_ready(tplg, widget, w);
1610 if (ret < 0)
1611 goto ready_err;
1612
8a978234
LG		 1613 return 0;
1614
ebd259d3
LG		 1615ready_err:
1616 snd_soc_tplg_widget_remove(widget);
1617 snd_soc_dapm_free_widget(widget);
8a978234
LG		 1618hdr_err:
1619 kfree(template.sname);
1620err:
1621 kfree(template.name);
1622 return ret;
1623}
1624
1625static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg,
1626 struct snd_soc_tplg_hdr *hdr)
1627{
1628 struct snd_soc_tplg_dapm_widget *widget;
1629 int ret, count = hdr->count, i;
1630
1631 if (tplg->pass != SOC_TPLG_PASS_WIDGET)
1632 return 0;
1633
1634 dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count);
1635
1636 for (i = 0; i < count; i++) {
1637 widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos;
06eb49f7
ML		 1638 if (widget->size != sizeof(*widget)) {
1639 dev_err(tplg->dev, "ASoC: invalid widget size\n");
1640 return -EINVAL;
1641 }
1642
8a978234 1643 ret = soc_tplg_dapm_widget_create(tplg, widget);
7de76b62 1644 if (ret < 0) {
8a978234
LG		 1645 dev_err(tplg->dev, "ASoC: failed to load widget %s\n",
1646 widget->name);
7de76b62
ML		 1647 return ret;
1648 }
8a978234
LG		 1649 }
1650
1651 return 0;
1652}
1653
1654static int soc_tplg_dapm_complete(struct soc_tplg *tplg)
1655{
1656 struct snd_soc_card *card = tplg->comp->card;
1657 int ret;
1658
1659 /* Card might not have been registered at this point.
1660 * If so, just return success.
1661 */
1662 if (!card || !card->instantiated) {
1663 dev_warn(tplg->dev, "ASoC: Parent card not yet available,"
cc9d4714 1664 " widget card binding deferred\n");
8a978234
LG		 1665 return 0;
1666 }
1667
1668 ret = snd_soc_dapm_new_widgets(card);
1669 if (ret < 0)
1670 dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n",
1671 ret);
1672
1673 return 0;
1674}
1675
b6b6e4d6
ML		 1676static void set_stream_info(struct snd_soc_pcm_stream *stream,
1677 struct snd_soc_tplg_stream_caps *caps)
1678{
1679 stream->stream_name = kstrdup(caps->name, GFP_KERNEL);
1680 stream->channels_min = caps->channels_min;
1681 stream->channels_max = caps->channels_max;
1682 stream->rates = caps->rates;
1683 stream->rate_min = caps->rate_min;
1684 stream->rate_max = caps->rate_max;
1685 stream->formats = caps->formats;
f918e169 1686 stream->sig_bits = caps->sig_bits;
b6b6e4d6
ML		 1687}
1688
0038be9a
ML		 1689static void set_dai_flags(struct snd_soc_dai_driver *dai_drv,
1690 unsigned int flag_mask, unsigned int flags)
1691{
1692 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES)
1693 dai_drv->symmetric_rates =
1694 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1695
1696 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS)
1697 dai_drv->symmetric_channels =
1698 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS ?
1699 1 : 0;
1700
1701 if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS)
1702 dai_drv->symmetric_samplebits =
1703 flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1704 1 : 0;
1705}
1706
64527e8a
ML		 1707static int soc_tplg_dai_create(struct soc_tplg *tplg,
1708 struct snd_soc_tplg_pcm *pcm)
1709{
1710 struct snd_soc_dai_driver *dai_drv;
1711 struct snd_soc_pcm_stream *stream;
1712 struct snd_soc_tplg_stream_caps *caps;
1713 int ret;
1714
1715 dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL);
1716 if (dai_drv == NULL)
1717 return -ENOMEM;
1718
8f27c4ab
ML		 1719 if (strlen(pcm->dai_name))
1720 dai_drv->name = kstrdup(pcm->dai_name, GFP_KERNEL);
64527e8a
ML		 1721 dai_drv->id = pcm->dai_id;
1722
1723 if (pcm->playback) {
1724 stream = &dai_drv->playback;
1725 caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
b6b6e4d6 1726 set_stream_info(stream, caps);
64527e8a
ML		 1727 }
1728
1729 if (pcm->capture) {
1730 stream = &dai_drv->capture;
1731 caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE];
b6b6e4d6 1732 set_stream_info(stream, caps);
64527e8a
ML		 1733 }
1734
1735 /* pass control to component driver for optional further init */
1736 ret = soc_tplg_dai_load(tplg, dai_drv);
1737 if (ret < 0) {
1738 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
1739 kfree(dai_drv);
1740 return ret;
1741 }
1742
1743 dai_drv->dobj.index = tplg->index;
1744 dai_drv->dobj.ops = tplg->ops;
1745 dai_drv->dobj.type = SND_SOC_DOBJ_PCM;
1746 list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list);
1747
1748 /* register the DAI to the component */
1749 return snd_soc_register_dai(tplg->comp, dai_drv);
1750}
1751
717a8e72
ML		 1752static void set_link_flags(struct snd_soc_dai_link *link,
1753 unsigned int flag_mask, unsigned int flags)
1754{
1755 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES)
1756 link->symmetric_rates =
1757 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES ? 1 : 0;
1758
1759 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS)
1760 link->symmetric_channels =
1761 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS ?
1762 1 : 0;
1763
1764 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS)
1765 link->symmetric_samplebits =
1766 flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS ?
1767 1 : 0;
6ff67cca
ML		 1768
1769 if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP)
1770 link->ignore_suspend =
1771 flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP ?
1772 1 : 0;
717a8e72
ML		 1773}
1774
67d1c21e 1775/* create the FE DAI link */
ab4bc5ee 1776static int soc_tplg_fe_link_create(struct soc_tplg *tplg,
acfc7d46
ML		 1777 struct snd_soc_tplg_pcm *pcm)
1778{
1779 struct snd_soc_dai_link *link;
1780 int ret;
1781
1782 link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL);
1783 if (link == NULL)
1784 return -ENOMEM;
1785
8f27c4ab
ML		 1786 if (strlen(pcm->pcm_name)) {
1787 link->name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1788 link->stream_name = kstrdup(pcm->pcm_name, GFP_KERNEL);
1789 }
b84fff5a 1790 link->id = pcm->pcm_id;
acfc7d46 1791
8f27c4ab
ML		 1792 if (strlen(pcm->dai_name))
1793 link->cpu_dai_name = kstrdup(pcm->dai_name, GFP_KERNEL);
1794
67d1c21e
GS		 1795 link->codec_name = "snd-soc-dummy";
1796 link->codec_dai_name = "snd-soc-dummy-dai";
1797
1798 /* enable DPCM */
1799 link->dynamic = 1;
1800 link->dpcm_playback = pcm->playback;
1801 link->dpcm_capture = pcm->capture;
717a8e72
ML		 1802 if (pcm->flag_mask)
1803 set_link_flags(link, pcm->flag_mask, pcm->flags);
67d1c21e 1804
acfc7d46
ML		 1805 /* pass control to component driver for optional further init */
1806 ret = soc_tplg_dai_link_load(tplg, link);
1807 if (ret < 0) {
1808 dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n");
1809 kfree(link);
1810 return ret;
1811 }
1812
1813 link->dobj.index = tplg->index;
1814 link->dobj.ops = tplg->ops;
1815 link->dobj.type = SND_SOC_DOBJ_DAI_LINK;
1816 list_add(&link->dobj.list, &tplg->comp->dobj_list);
1817
1818 snd_soc_add_dai_link(tplg->comp->card, link);
1819 return 0;
1820}
1821
1822/* create a FE DAI and DAI link from the PCM object */
64527e8a
ML		 1823static int soc_tplg_pcm_create(struct soc_tplg *tplg,
1824 struct snd_soc_tplg_pcm *pcm)
1825{
acfc7d46
ML		 1826 int ret;
1827
1828 ret = soc_tplg_dai_create(tplg, pcm);
1829 if (ret < 0)
1830 return ret;
1831
ab4bc5ee 1832 return soc_tplg_fe_link_create(tplg, pcm);
64527e8a
ML		 1833}
1834
55726dc9
ML		 1835/* copy stream caps from the old version 4 of source */
1836static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest,
1837 struct snd_soc_tplg_stream_caps_v4 *src)
1838{
1839 dest->size = sizeof(*dest);
1840 memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1841 dest->formats = src->formats;
1842 dest->rates = src->rates;
1843 dest->rate_min = src->rate_min;
1844 dest->rate_max = src->rate_max;
1845 dest->channels_min = src->channels_min;
1846 dest->channels_max = src->channels_max;
1847 dest->periods_min = src->periods_min;
1848 dest->periods_max = src->periods_max;
1849 dest->period_size_min = src->period_size_min;
1850 dest->period_size_max = src->period_size_max;
1851 dest->buffer_size_min = src->buffer_size_min;
1852 dest->buffer_size_max = src->buffer_size_max;
1853}
1854
1855/**
1856 * pcm_new_ver - Create the new version of PCM from the old version.
1857 * @tplg: topology context
1858 * @src: older version of pcm as a source
1859 * @pcm: latest version of pcm created from the source
1860 *
1861 * Support from vesion 4. User should free the returned pcm manually.
1862 */
1863static int pcm_new_ver(struct soc_tplg *tplg,
1864 struct snd_soc_tplg_pcm *src,
1865 struct snd_soc_tplg_pcm **pcm)
1866{
1867 struct snd_soc_tplg_pcm *dest;
1868 struct snd_soc_tplg_pcm_v4 *src_v4;
1869 int i;
1870
1871 *pcm = NULL;
1872
1873 if (src->size != sizeof(*src_v4)) {
1874 dev_err(tplg->dev, "ASoC: invalid PCM size\n");
1875 return -EINVAL;
1876 }
1877
1878 dev_warn(tplg->dev, "ASoC: old version of PCM\n");
1879 src_v4 = (struct snd_soc_tplg_pcm_v4 *)src;
1880 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
1881 if (!dest)
1882 return -ENOMEM;
1883
1884 dest->size = sizeof(*dest); /* size of latest abi version */
1885 memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1886 memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
1887 dest->pcm_id = src_v4->pcm_id;
1888 dest->dai_id = src_v4->dai_id;
1889 dest->playback = src_v4->playback;
1890 dest->capture = src_v4->capture;
1891 dest->compress = src_v4->compress;
1892 dest->num_streams = src_v4->num_streams;
1893 for (i = 0; i < dest->num_streams; i++)
1894 memcpy(&dest->stream[i], &src_v4->stream[i],
1895 sizeof(struct snd_soc_tplg_stream));
1896
1897 for (i = 0; i < 2; i++)
1898 stream_caps_new_ver(&dest->caps[i], &src_v4->caps[i]);
1899
1900 *pcm = dest;
1901 return 0;
1902}
1903
64527e8a 1904static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg,
8a978234
LG		 1905 struct snd_soc_tplg_hdr *hdr)
1906{
55726dc9 1907 struct snd_soc_tplg_pcm *pcm, *_pcm;
8a978234 1908 int count = hdr->count;
fd340455 1909 int i;
55726dc9 1910 bool abi_match;
8a978234
LG		 1911
1912 if (tplg->pass != SOC_TPLG_PASS_PCM_DAI)
1913 return 0;
1914
55726dc9
ML		 1915 /* check the element size and count */
1916 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1917 if (pcm->size > sizeof(struct snd_soc_tplg_pcm)
1918 || pcm->size < sizeof(struct snd_soc_tplg_pcm_v4)) {
1919 dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n",
1920 pcm->size);
1921 return -EINVAL;
1922 }
1923
8a978234 1924 if (soc_tplg_check_elem_count(tplg,
55726dc9 1925 pcm->size, count,
8a978234
LG		 1926 hdr->payload_size, "PCM DAI")) {
1927 dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n",
1928 count);
1929 return -EINVAL;
1930 }
1931
64527e8a 1932 for (i = 0; i < count; i++) {
55726dc9
ML		 1933 pcm = (struct snd_soc_tplg_pcm *)tplg->pos;
1934
1935 /* check ABI version by size, create a new version of pcm
1936 * if abi not match.
1937 */
1938 if (pcm->size == sizeof(*pcm)) {
1939 abi_match = true;
1940 _pcm = pcm;
1941 } else {
1942 abi_match = false;
fd340455 1943 pcm_new_ver(tplg, pcm, &_pcm);
06eb49f7
ML		 1944 }
1945
55726dc9
ML		 1946 /* create the FE DAIs and DAI links */
1947 soc_tplg_pcm_create(tplg, _pcm);
1948
717a8e72
ML		 1949 /* offset by version-specific struct size and
1950 * real priv data size
1951 */
1952 tplg->pos += pcm->size + _pcm->priv.size;
1953
55726dc9
ML		 1954 if (!abi_match)
1955 kfree(_pcm); /* free the duplicated one */
64527e8a
ML		 1956 }
1957
8a978234 1958 dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count);
8a978234 1959
8a978234 1960 return 0;
8a978234
LG		 1961}
1962
593d9e52
ML		 1963/**
1964 * set_link_hw_format - Set the HW audio format of the physical DAI link.
8abab35f 1965 * @link: &snd_soc_dai_link which should be updated
593d9e52
ML		 1966 * @cfg: physical link configs.
1967 *
1968 * Topology context contains a list of supported HW formats (configs) and
1969 * a default format ID for the physical link. This function will use this
1970 * default ID to choose the HW format to set the link's DAI format for init.
1971 */
1972static void set_link_hw_format(struct snd_soc_dai_link *link,
1973 struct snd_soc_tplg_link_config *cfg)
1974{
1975 struct snd_soc_tplg_hw_config *hw_config;
1976 unsigned char bclk_master, fsync_master;
1977 unsigned char invert_bclk, invert_fsync;
1978 int i;
1979
1980 for (i = 0; i < cfg->num_hw_configs; i++) {
1981 hw_config = &cfg->hw_config[i];
1982 if (hw_config->id != cfg->default_hw_config_id)
1983 continue;
1984
1985 link->dai_fmt = hw_config->fmt & SND_SOC_DAIFMT_FORMAT_MASK;
1986
1987 /* clock signal polarity */
1988 invert_bclk = hw_config->invert_bclk;
1989 invert_fsync = hw_config->invert_fsync;
1990 if (!invert_bclk && !invert_fsync)
1991 link->dai_fmt |= SND_SOC_DAIFMT_NB_NF;
1992 else if (!invert_bclk && invert_fsync)
1993 link->dai_fmt |= SND_SOC_DAIFMT_NB_IF;
1994 else if (invert_bclk && !invert_fsync)
1995 link->dai_fmt |= SND_SOC_DAIFMT_IB_NF;
1996 else
1997 link->dai_fmt |= SND_SOC_DAIFMT_IB_IF;
1998
1999 /* clock masters */
2000 bclk_master = hw_config->bclk_master;
2001 fsync_master = hw_config->fsync_master;
2002 if (!bclk_master && !fsync_master)
2003 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
2004 else if (bclk_master && !fsync_master)
2005 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
2006 else if (!bclk_master && fsync_master)
2007 link->dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
2008 else
2009 link->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
2010 }
2011}
2012
2013/**
2014 * link_new_ver - Create a new physical link config from the old
2015 * version of source.
8abab35f 2016 * @tplg: topology context
593d9e52
ML		 2017 * @src: old version of phyical link config as a source
2018 * @link: latest version of physical link config created from the source
2019 *
2020 * Support from vesion 4. User need free the returned link config manually.
2021 */
2022static int link_new_ver(struct soc_tplg *tplg,
2023 struct snd_soc_tplg_link_config *src,
2024 struct snd_soc_tplg_link_config **link)
2025{
2026 struct snd_soc_tplg_link_config *dest;
2027 struct snd_soc_tplg_link_config_v4 *src_v4;
2028 int i;
2029
2030 *link = NULL;
2031
2032 if (src->size != sizeof(struct snd_soc_tplg_link_config_v4)) {
2033 dev_err(tplg->dev, "ASoC: invalid physical link config size\n");
2034 return -EINVAL;
2035 }
2036
2037 dev_warn(tplg->dev, "ASoC: old version of physical link config\n");
2038
2039 src_v4 = (struct snd_soc_tplg_link_config_v4 *)src;
2040 dest = kzalloc(sizeof(*dest), GFP_KERNEL);
2041 if (!dest)
2042 return -ENOMEM;
2043
2044 dest->size = sizeof(*dest);
2045 dest->id = src_v4->id;
2046 dest->num_streams = src_v4->num_streams;
2047 for (i = 0; i < dest->num_streams; i++)
2048 memcpy(&dest->stream[i], &src_v4->stream[i],
2049 sizeof(struct snd_soc_tplg_stream));
2050
2051 *link = dest;
2052 return 0;
2053}
2054
2055/* Find and configure an existing physical DAI link */
2056static int soc_tplg_link_config(struct soc_tplg *tplg,
2057 struct snd_soc_tplg_link_config *cfg)
2058{
2059 struct snd_soc_dai_link *link;
2060 const char *name, *stream_name;
dbab1cb8 2061 size_t len;
593d9e52
ML		 2062 int ret;
2063
dbab1cb8
ML		 2064 len = strnlen(cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2065 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2066 return -EINVAL;
2067 else if (len)
2068 name = cfg->name;
2069 else
2070 name = NULL;
2071
2072 len = strnlen(cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
2073 if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN)
2074 return -EINVAL;
2075 else if (len)
2076 stream_name = cfg->stream_name;
2077 else
2078 stream_name = NULL;
593d9e52
ML		 2079
2080 link = snd_soc_find_dai_link(tplg->comp->card, cfg->id,
2081 name, stream_name);
2082 if (!link) {
2083 dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n",
2084 name, cfg->id);
2085 return -EINVAL;
2086 }
2087
2088 /* hw format */
2089 if (cfg->num_hw_configs)
2090 set_link_hw_format(link, cfg);
2091
2092 /* flags */
2093 if (cfg->flag_mask)
2094 set_link_flags(link, cfg->flag_mask, cfg->flags);
2095
2096 /* pass control to component driver for optional further init */
2097 ret = soc_tplg_dai_link_load(tplg, link);
2098 if (ret < 0) {
2099 dev_err(tplg->dev, "ASoC: physical link loading failed\n");
2100 return ret;
2101 }
2102
2103 return 0;
2104}
2105
2106
2107/* Load physical link config elements from the topology context */
2108static int soc_tplg_link_elems_load(struct soc_tplg *tplg,
2109 struct snd_soc_tplg_hdr *hdr)
2110{
2111 struct snd_soc_tplg_link_config *link, *_link;
2112 int count = hdr->count;
2113 int i, ret;
2114 bool abi_match;
2115
2116 if (tplg->pass != SOC_TPLG_PASS_LINK) {
2117 tplg->pos += hdr->size + hdr->payload_size;
2118 return 0;
2119 };
2120
2121 /* check the element size and count */
2122 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2123 if (link->size > sizeof(struct snd_soc_tplg_link_config)
2124 || link->size < sizeof(struct snd_soc_tplg_link_config_v4)) {
2125 dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n",
2126 link->size);
2127 return -EINVAL;
2128 }
2129
2130 if (soc_tplg_check_elem_count(tplg,
2131 link->size, count,
2132 hdr->payload_size, "physical link config")) {
2133 dev_err(tplg->dev, "ASoC: invalid count %d for physical link elems\n",
2134 count);
2135 return -EINVAL;
2136 }
2137
2138 /* config physical DAI links */
2139 for (i = 0; i < count; i++) {
2140 link = (struct snd_soc_tplg_link_config *)tplg->pos;
2141 if (link->size == sizeof(*link)) {
2142 abi_match = true;
2143 _link = link;
2144 } else {
2145 abi_match = false;
2146 ret = link_new_ver(tplg, link, &_link);
2147 if (ret < 0)
2148 return ret;
2149 }
2150
2151 ret = soc_tplg_link_config(tplg, _link);
2152 if (ret < 0)
2153 return ret;
2154
2155 /* offset by version-specific struct size and
2156 * real priv data size
2157 */
2158 tplg->pos += link->size + _link->priv.size;
2159
2160 if (!abi_match)
2161 kfree(_link); /* free the duplicated one */
2162 }
2163
2164 return 0;
2165}
2166
9aa3f034
ML		 2167/**
2168 * soc_tplg_dai_config - Find and configure an existing physical DAI.
0038be9a 2169 * @tplg: topology context
9aa3f034 2170 * @d: physical DAI configs.
0038be9a 2171 *
9aa3f034
ML		 2172 * The physical dai should already be registered by the platform driver.
2173 * The platform driver should specify the DAI name and ID for matching.
0038be9a 2174 */
9aa3f034
ML		 2175static int soc_tplg_dai_config(struct soc_tplg *tplg,
2176 struct snd_soc_tplg_dai *d)
0038be9a
ML		 2177{
2178 struct snd_soc_dai_link_component dai_component = {0};
2179 struct snd_soc_dai *dai;
2180 struct snd_soc_dai_driver *dai_drv;
2181 struct snd_soc_pcm_stream *stream;
2182 struct snd_soc_tplg_stream_caps *caps;
2183 int ret;
2184
9aa3f034 2185 dai_component.dai_name = d->dai_name;
0038be9a
ML		 2186 dai = snd_soc_find_dai(&dai_component);
2187 if (!dai) {
9aa3f034
ML		 2188 dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n",
2189 d->dai_name);
0038be9a
ML		 2190 return -EINVAL;
2191 }
2192
9aa3f034
ML		 2193 if (d->dai_id != dai->id) {
2194 dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n",
2195 d->dai_name);
0038be9a
ML		 2196 return -EINVAL;
2197 }
2198
2199 dai_drv = dai->driver;
2200 if (!dai_drv)
2201 return -EINVAL;
2202
9aa3f034 2203 if (d->playback) {
0038be9a 2204 stream = &dai_drv->playback;
9aa3f034 2205 caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK];
0038be9a
ML		 2206 set_stream_info(stream, caps);
2207 }
2208
9aa3f034 2209 if (d->capture) {
0038be9a 2210 stream = &dai_drv->capture;
9aa3f034 2211 caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE];
0038be9a
ML		 2212 set_stream_info(stream, caps);
2213 }
2214
9aa3f034
ML		 2215 if (d->flag_mask)
2216 set_dai_flags(dai_drv, d->flag_mask, d->flags);
0038be9a
ML		 2217
2218 /* pass control to component driver for optional further init */
2219 ret = soc_tplg_dai_load(tplg, dai_drv);
2220 if (ret < 0) {
2221 dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n");
2222 return ret;
2223 }
2224
2225 return 0;
2226}
2227
9aa3f034
ML		 2228/* load physical DAI elements */
2229static int soc_tplg_dai_elems_load(struct soc_tplg *tplg,
2230 struct snd_soc_tplg_hdr *hdr)
0038be9a 2231{
9aa3f034 2232 struct snd_soc_tplg_dai *dai;
0038be9a
ML		 2233 int count = hdr->count;
2234 int i;
2235
2236 if (tplg->pass != SOC_TPLG_PASS_BE_DAI)
2237 return 0;
2238
2239 /* config the existing BE DAIs */
2240 for (i = 0; i < count; i++) {
9aa3f034
ML		 2241 dai = (struct snd_soc_tplg_dai *)tplg->pos;
2242 if (dai->size != sizeof(*dai)) {
2243 dev_err(tplg->dev, "ASoC: invalid physical DAI size\n");
0038be9a
ML		 2244 return -EINVAL;
2245 }
2246
9aa3f034
ML		 2247 soc_tplg_dai_config(tplg, dai);
2248 tplg->pos += (sizeof(*dai) + dai->priv.size);
0038be9a
ML		 2249 }
2250
2251 dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n", count);
2252 return 0;
2253}
2254
583958fa
ML		 2255/**
2256 * manifest_new_ver - Create a new version of manifest from the old version
2257 * of source.
8abab35f 2258 * @tplg: topology context
583958fa
ML		 2259 * @src: old version of manifest as a source
2260 * @manifest: latest version of manifest created from the source
2261 *
2262 * Support from vesion 4. Users need free the returned manifest manually.
2263 */
2264static int manifest_new_ver(struct soc_tplg *tplg,
2265 struct snd_soc_tplg_manifest *src,
2266 struct snd_soc_tplg_manifest **manifest)
2267{
2268 struct snd_soc_tplg_manifest *dest;
2269 struct snd_soc_tplg_manifest_v4 *src_v4;
2270
2271 *manifest = NULL;
2272
2273 if (src->size != sizeof(*src_v4)) {
2274 dev_err(tplg->dev, "ASoC: invalid manifest size\n");
2275 return -EINVAL;
2276 }
2277
2278 dev_warn(tplg->dev, "ASoC: old version of manifest\n");
2279
2280 src_v4 = (struct snd_soc_tplg_manifest_v4 *)src;
2281 dest = kzalloc(sizeof(*dest) + src_v4->priv.size, GFP_KERNEL);
2282 if (!dest)
2283 return -ENOMEM;
2284
2285 dest->size = sizeof(*dest); /* size of latest abi version */
2286 dest->control_elems = src_v4->control_elems;
2287 dest->widget_elems = src_v4->widget_elems;
2288 dest->graph_elems = src_v4->graph_elems;
2289 dest->pcm_elems = src_v4->pcm_elems;
2290 dest->dai_link_elems = src_v4->dai_link_elems;
2291 dest->priv.size = src_v4->priv.size;
2292 if (dest->priv.size)
2293 memcpy(dest->priv.data, src_v4->priv.data,
2294 src_v4->priv.size);
2295
2296 *manifest = dest;
2297 return 0;
2298}
0038be9a 2299
8a978234 2300static int soc_tplg_manifest_load(struct soc_tplg *tplg,
0038be9a 2301 struct snd_soc_tplg_hdr *hdr)
8a978234 2302{
583958fa
ML		 2303 struct snd_soc_tplg_manifest *manifest, *_manifest;
2304 bool abi_match;
2305 int err;
8a978234
LG		 2306
2307 if (tplg->pass != SOC_TPLG_PASS_MANIFEST)
2308 return 0;
2309
2310 manifest = (struct snd_soc_tplg_manifest *)tplg->pos;
06eb49f7 2311
583958fa
ML		 2312 /* check ABI version by size, create a new manifest if abi not match */
2313 if (manifest->size == sizeof(*manifest)) {
2314 abi_match = true;
2315 _manifest = manifest;
2316 } else {
2317 abi_match = false;
2318 err = manifest_new_ver(tplg, manifest, &_manifest);
2319 if (err < 0)
2320 return err;
2321 }
8a978234 2322
583958fa 2323 /* pass control to component driver for optional further init */
8a978234 2324 if (tplg->comp && tplg->ops && tplg->ops->manifest)
583958fa
ML		 2325 return tplg->ops->manifest(tplg->comp, _manifest);
2326
2327 if (!abi_match) /* free the duplicated one */
2328 kfree(_manifest);
8a978234 2329
8a978234
LG		 2330 return 0;
2331}
2332
2333/* validate header magic, size and type */
2334static int soc_valid_header(struct soc_tplg *tplg,
2335 struct snd_soc_tplg_hdr *hdr)
2336{
2337 if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
2338 return 0;
2339
06eb49f7
ML		 2340 if (hdr->size != sizeof(*hdr)) {
2341 dev_err(tplg->dev,
2342 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2343 hdr->type, soc_tplg_get_hdr_offset(tplg),
2344 tplg->fw->size);
2345 return -EINVAL;
2346 }
2347
8a978234
LG		 2348 /* big endian firmware objects not supported atm */
2349 if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) {
2350 dev_err(tplg->dev,
2351 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2352 tplg->pass, hdr->magic,
2353 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2354 return -EINVAL;
2355 }
2356
2357 if (hdr->magic != SND_SOC_TPLG_MAGIC) {
2358 dev_err(tplg->dev,
2359 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2360 tplg->pass, hdr->magic,
2361 soc_tplg_get_hdr_offset(tplg), tplg->fw->size);
2362 return -EINVAL;
2363 }
2364
288b8da7
ML		 2365 /* Support ABI from version 4 */
2366 if (hdr->abi > SND_SOC_TPLG_ABI_VERSION
2367 || hdr->abi < SND_SOC_TPLG_ABI_VERSION_MIN) {
8a978234
LG		 2368 dev_err(tplg->dev,
2369 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2370 tplg->pass, hdr->abi,
2371 SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg),
2372 tplg->fw->size);
2373 return -EINVAL;
2374 }
2375
2376 if (hdr->payload_size == 0) {
2377 dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n",
2378 soc_tplg_get_hdr_offset(tplg));
2379 return -EINVAL;
2380 }
2381
2382 if (tplg->pass == hdr->type)
2383 dev_dbg(tplg->dev,
2384 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2385 hdr->payload_size, hdr->type, hdr->version,
2386 hdr->vendor_type, tplg->pass);
2387
2388 return 1;
2389}
2390
2391/* check header type and call appropriate handler */
2392static int soc_tplg_load_header(struct soc_tplg *tplg,
2393 struct snd_soc_tplg_hdr *hdr)
2394{
2395 tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr);
2396
2397 /* check for matching ID */
2398 if (hdr->index != tplg->req_index &&
bb97142b 2399 tplg->req_index != SND_SOC_TPLG_INDEX_ALL)
8a978234
LG		 2400 return 0;
2401
2402 tplg->index = hdr->index;
2403
2404 switch (hdr->type) {
2405 case SND_SOC_TPLG_TYPE_MIXER:
2406 case SND_SOC_TPLG_TYPE_ENUM:
2407 case SND_SOC_TPLG_TYPE_BYTES:
2408 return soc_tplg_kcontrol_elems_load(tplg, hdr);
2409 case SND_SOC_TPLG_TYPE_DAPM_GRAPH:
2410 return soc_tplg_dapm_graph_elems_load(tplg, hdr);
2411 case SND_SOC_TPLG_TYPE_DAPM_WIDGET:
2412 return soc_tplg_dapm_widget_elems_load(tplg, hdr);
2413 case SND_SOC_TPLG_TYPE_PCM:
64527e8a 2414 return soc_tplg_pcm_elems_load(tplg, hdr);
3fbf7935 2415 case SND_SOC_TPLG_TYPE_DAI:
9aa3f034 2416 return soc_tplg_dai_elems_load(tplg, hdr);
593d9e52
ML		 2417 case SND_SOC_TPLG_TYPE_DAI_LINK:
2418 case SND_SOC_TPLG_TYPE_BACKEND_LINK:
2419 /* physical link configurations */
2420 return soc_tplg_link_elems_load(tplg, hdr);
8a978234
LG		 2421 case SND_SOC_TPLG_TYPE_MANIFEST:
2422 return soc_tplg_manifest_load(tplg, hdr);
2423 default:
2424 /* bespoke vendor data object */
2425 return soc_tplg_vendor_load(tplg, hdr);
2426 }
2427
2428 return 0;
2429}
2430
2431/* process the topology file headers */
2432static int soc_tplg_process_headers(struct soc_tplg *tplg)
2433{
2434 struct snd_soc_tplg_hdr *hdr;
2435 int ret;
2436
2437 tplg->pass = SOC_TPLG_PASS_START;
2438
2439 /* process the header types from start to end */
2440 while (tplg->pass <= SOC_TPLG_PASS_END) {
2441
2442 tplg->hdr_pos = tplg->fw->data;
2443 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2444
2445 while (!soc_tplg_is_eof(tplg)) {
2446
2447 /* make sure header is valid before loading */
2448 ret = soc_valid_header(tplg, hdr);
2449 if (ret < 0)
2450 return ret;
2451 else if (ret == 0)
2452 break;
2453
2454 /* load the header object */
2455 ret = soc_tplg_load_header(tplg, hdr);
2456 if (ret < 0)
2457 return ret;
2458
2459 /* goto next header */
2460 tplg->hdr_pos += hdr->payload_size +
2461 sizeof(struct snd_soc_tplg_hdr);
2462 hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos;
2463 }
2464
2465 /* next data type pass */
2466 tplg->pass++;
2467 }
2468
2469 /* signal DAPM we are complete */
2470 ret = soc_tplg_dapm_complete(tplg);
2471 if (ret < 0)
2472 dev_err(tplg->dev,
2473 "ASoC: failed to initialise DAPM from Firmware\n");
2474
2475 return ret;
2476}
2477
2478static int soc_tplg_load(struct soc_tplg *tplg)
2479{
2480 int ret;
2481
2482 ret = soc_tplg_process_headers(tplg);
2483 if (ret == 0)
2484 soc_tplg_complete(tplg);
2485
2486 return ret;
2487}
2488
2489/* load audio component topology from "firmware" file */
2490int snd_soc_tplg_component_load(struct snd_soc_component *comp,
2491 struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id)
2492{
2493 struct soc_tplg tplg;
2494
2495 /* setup parsing context */
2496 memset(&tplg, 0, sizeof(tplg));
2497 tplg.fw = fw;
2498 tplg.dev = comp->dev;
2499 tplg.comp = comp;
2500 tplg.ops = ops;
2501 tplg.req_index = id;
2502 tplg.io_ops = ops->io_ops;
2503 tplg.io_ops_count = ops->io_ops_count;
1a3232d2
ML		 2504 tplg.bytes_ext_ops = ops->bytes_ext_ops;
2505 tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count;
8a978234
LG		 2506
2507 return soc_tplg_load(&tplg);
2508}
2509EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load);
2510
2511/* remove this dynamic widget */
2512void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w)
2513{
2514 /* make sure we are a widget */
2515 if (w->dobj.type != SND_SOC_DOBJ_WIDGET)
2516 return;
2517
2518 remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET);
2519}
2520EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove);
2521
2522/* remove all dynamic widgets from this DAPM context */
2523void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm,
2524 u32 index)
2525{
2526 struct snd_soc_dapm_widget *w, *next_w;
8a978234
LG		 2527
2528 list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
2529
2530 /* make sure we are a widget with correct context */
2531 if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm)
2532 continue;
2533
2534 /* match ID */
2535 if (w->dobj.index != index &&
2536 w->dobj.index != SND_SOC_TPLG_INDEX_ALL)
2537 continue;
8a978234
LG		 2538 /* check and free and dynamic widget kcontrols */
2539 snd_soc_tplg_widget_remove(w);
b97e2698 2540 snd_soc_dapm_free_widget(w);
8a978234 2541 }
fd589a1b 2542 snd_soc_dapm_reset_cache(dapm);
8a978234
LG		 2543}
2544EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all);
2545
2546/* remove dynamic controls from the component driver */
2547int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
2548{
2549 struct snd_soc_dobj *dobj, *next_dobj;
2550 int pass = SOC_TPLG_PASS_END;
2551
2552 /* process the header types from end to start */
2553 while (pass >= SOC_TPLG_PASS_START) {
2554
2555 /* remove mixer controls */
2556 list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list,
2557 list) {
2558
2559 /* match index */
2560 if (dobj->index != index &&
2561 dobj->index != SND_SOC_TPLG_INDEX_ALL)
2562 continue;
2563
2564 switch (dobj->type) {
2565 case SND_SOC_DOBJ_MIXER:
2566 remove_mixer(comp, dobj, pass);
2567 break;
2568 case SND_SOC_DOBJ_ENUM:
2569 remove_enum(comp, dobj, pass);
2570 break;
2571 case SND_SOC_DOBJ_BYTES:
2572 remove_bytes(comp, dobj, pass);
2573 break;
2574 case SND_SOC_DOBJ_WIDGET:
2575 remove_widget(comp, dobj, pass);
2576 break;
2577 case SND_SOC_DOBJ_PCM:
64527e8a 2578 remove_dai(comp, dobj, pass);
8a978234 2579 break;
acfc7d46
ML		 2580 case SND_SOC_DOBJ_DAI_LINK:
2581 remove_link(comp, dobj, pass);
2582 break;
8a978234
LG		 2583 default:
2584 dev_err(comp->dev, "ASoC: invalid component type %d for removal\n",
2585 dobj->type);
2586 break;
2587 }
2588 }
2589 pass--;
2590 }
2591
2592 /* let caller know if FW can be freed when no objects are left */
2593 return !list_empty(&comp->dobj_list);
2594}
2595EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove);
Linux 6.x block layer and io_uring tree(s)