1 // SPDX-License-Identifier: GPL-2.0+
3 // soc-topology.c -- ALSA SoC Topology
5 // Copyright (C) 2012 Texas Instruments Inc.
6 // Copyright (C) 2015 Intel Corporation.
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>
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.
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.
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>
31 #include <sound/tlv.h>
33 #define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */
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).
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
45 #define SOC_TPLG_PASS_PCM_DAI 4
46 #define SOC_TPLG_PASS_GRAPH 5
47 #define SOC_TPLG_PASS_PINS 6
48 #define SOC_TPLG_PASS_BE_DAI 7
49 #define SOC_TPLG_PASS_LINK 8
51 #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST
52 #define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK
54 /* topology context */
56 const struct firmware
*fw
;
58 /* runtime FW parsing */
59 const u8
*pos
; /* read postion */
60 const u8
*hdr_pos
; /* header position */
61 unsigned int pass
; /* pass number */
63 /* component caller */
65 struct snd_soc_component
*comp
;
66 u32 index
; /* current block index */
67 u32 req_index
; /* required index, only loaded/free matching blocks */
69 /* vendor specific kcontrol operations */
70 const struct snd_soc_tplg_kcontrol_ops
*io_ops
;
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
;
77 /* optional fw loading callbacks to component drivers */
78 struct snd_soc_tplg_ops
*ops
;
81 static int soc_tplg_process_headers(struct soc_tplg
*tplg
);
82 static void soc_tplg_complete(struct soc_tplg
*tplg
);
83 static void soc_tplg_denum_remove_texts(struct soc_enum
*se
);
84 static void soc_tplg_denum_remove_values(struct soc_enum
*se
);
86 /* check we dont overflow the data for this control chunk */
87 static 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
)
90 const u8
*end
= tplg
->pos
+ elem_size
* count
;
92 if (end
> tplg
->fw
->data
+ tplg
->fw
->size
) {
93 dev_err(tplg
->dev
, "ASoC: %s overflow end of data\n",
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
) {
102 "ASoC: %s count %d of size %zu is bigger than chunk %zu\n",
103 elem_type
, count
, elem_size
, bytes
);
110 static inline int soc_tplg_is_eof(struct soc_tplg
*tplg
)
112 const u8
*end
= tplg
->hdr_pos
;
114 if (end
>= tplg
->fw
->data
+ tplg
->fw
->size
)
119 static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg
*tplg
)
121 return (unsigned long)(tplg
->hdr_pos
- tplg
->fw
->data
);
124 static inline unsigned long soc_tplg_get_offset(struct soc_tplg
*tplg
)
126 return (unsigned long)(tplg
->pos
- tplg
->fw
->data
);
129 /* mapping of Kcontrol types and associated operations. */
130 static 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
,
148 snd_soc_dapm_put_volsw
, snd_soc_info_volsw
},
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
},
159 struct soc_tplg_map
{
164 /* mapping of widget types from UAPI IDs to kernel IDs */
165 static 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
},
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
},
192 static int tplc_chan_get_reg(struct soc_tplg
*tplg
,
193 struct snd_soc_tplg_channel
*chan
, int map
)
197 for (i
= 0; i
< SND_SOC_TPLG_MAX_CHAN
; i
++) {
198 if (le32_to_cpu(chan
[i
].id
) == map
)
199 return le32_to_cpu(chan
[i
].reg
);
205 static int tplc_chan_get_shift(struct soc_tplg
*tplg
,
206 struct snd_soc_tplg_channel
*chan
, int map
)
210 for (i
= 0; i
< SND_SOC_TPLG_MAX_CHAN
; i
++) {
211 if (le32_to_cpu(chan
[i
].id
) == map
)
212 return le32_to_cpu(chan
[i
].shift
);
218 static int get_widget_id(int tplg_type
)
222 for (i
= 0; i
< ARRAY_SIZE(dapm_map
); i
++) {
223 if (tplg_type
== dapm_map
[i
].uid
)
224 return dapm_map
[i
].kid
;
230 static inline void soc_bind_err(struct soc_tplg
*tplg
,
231 struct snd_soc_tplg_ctl_hdr
*hdr
, int index
)
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
));
239 static inline void soc_control_err(struct soc_tplg
*tplg
,
240 struct snd_soc_tplg_ctl_hdr
*hdr
, const char *name
)
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
));
248 /* pass vendor data to component driver for processing */
249 static int soc_tplg_vendor_load(struct soc_tplg
*tplg
,
250 struct snd_soc_tplg_hdr
*hdr
)
254 if (tplg
->ops
&& tplg
->ops
->vendor_load
)
255 ret
= tplg
->ops
->vendor_load(tplg
->comp
, tplg
->index
, hdr
);
257 dev_err(tplg
->dev
, "ASoC: no vendor load callback for ID %d\n",
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
);
271 /* optionally pass new dynamic widget to component driver. This is mainly for
272 * external widgets where we can assign private data/ops */
273 static int soc_tplg_widget_load(struct soc_tplg
*tplg
,
274 struct snd_soc_dapm_widget
*w
, struct snd_soc_tplg_dapm_widget
*tplg_w
)
276 if (tplg
->ops
&& tplg
->ops
->widget_load
)
277 return tplg
->ops
->widget_load(tplg
->comp
, tplg
->index
, w
,
283 /* optionally pass new dynamic widget to component driver. This is mainly for
284 * external widgets where we can assign private data/ops */
285 static int soc_tplg_widget_ready(struct soc_tplg
*tplg
,
286 struct snd_soc_dapm_widget
*w
, struct snd_soc_tplg_dapm_widget
*tplg_w
)
288 if (tplg
->ops
&& tplg
->ops
->widget_ready
)
289 return tplg
->ops
->widget_ready(tplg
->comp
, tplg
->index
, w
,
295 /* pass DAI configurations to component driver for extra initialization */
296 static int soc_tplg_dai_load(struct soc_tplg
*tplg
,
297 struct snd_soc_dai_driver
*dai_drv
,
298 struct snd_soc_tplg_pcm
*pcm
, struct snd_soc_dai
*dai
)
300 if (tplg
->ops
&& tplg
->ops
->dai_load
)
301 return tplg
->ops
->dai_load(tplg
->comp
, tplg
->index
, dai_drv
,
307 /* pass link configurations to component driver for extra initialization */
308 static int soc_tplg_dai_link_load(struct soc_tplg
*tplg
,
309 struct snd_soc_dai_link
*link
, struct snd_soc_tplg_link_config
*cfg
)
311 if (tplg
->ops
&& tplg
->ops
->link_load
)
312 return tplg
->ops
->link_load(tplg
->comp
, tplg
->index
, link
, cfg
);
317 /* tell the component driver that all firmware has been loaded in this request */
318 static void soc_tplg_complete(struct soc_tplg
*tplg
)
320 if (tplg
->ops
&& tplg
->ops
->complete
)
321 tplg
->ops
->complete(tplg
->comp
);
324 /* add a dynamic kcontrol */
325 static int soc_tplg_add_dcontrol(struct snd_card
*card
, struct device
*dev
,
326 const struct snd_kcontrol_new
*control_new
, const char *prefix
,
327 void *data
, struct snd_kcontrol
**kcontrol
)
331 *kcontrol
= snd_soc_cnew(control_new
, data
, control_new
->name
, prefix
);
332 if (*kcontrol
== NULL
) {
333 dev_err(dev
, "ASoC: Failed to create new kcontrol %s\n",
338 err
= snd_ctl_add(card
, *kcontrol
);
340 dev_err(dev
, "ASoC: Failed to add %s: %d\n",
341 control_new
->name
, err
);
348 /* add a dynamic kcontrol for component driver */
349 static int soc_tplg_add_kcontrol(struct soc_tplg
*tplg
,
350 struct snd_kcontrol_new
*k
, struct snd_kcontrol
**kcontrol
)
352 struct snd_soc_component
*comp
= tplg
->comp
;
354 return soc_tplg_add_dcontrol(comp
->card
->snd_card
,
355 comp
->dev
, k
, comp
->name_prefix
, comp
, kcontrol
);
358 /* remove a mixer kcontrol */
359 static void remove_mixer(struct snd_soc_component
*comp
,
360 struct snd_soc_dobj
*dobj
, int pass
)
362 struct snd_card
*card
= comp
->card
->snd_card
;
363 struct soc_mixer_control
*sm
=
364 container_of(dobj
, struct soc_mixer_control
, dobj
);
365 const unsigned int *p
= NULL
;
367 if (pass
!= SOC_TPLG_PASS_MIXER
)
370 if (dobj
->ops
&& dobj
->ops
->control_unload
)
371 dobj
->ops
->control_unload(comp
, dobj
);
373 if (dobj
->control
.kcontrol
->tlv
.p
)
374 p
= dobj
->control
.kcontrol
->tlv
.p
;
375 snd_ctl_remove(card
, dobj
->control
.kcontrol
);
376 list_del(&dobj
->list
);
381 /* remove an enum kcontrol */
382 static void remove_enum(struct snd_soc_component
*comp
,
383 struct snd_soc_dobj
*dobj
, int pass
)
385 struct snd_card
*card
= comp
->card
->snd_card
;
386 struct soc_enum
*se
= container_of(dobj
, struct soc_enum
, dobj
);
388 if (pass
!= SOC_TPLG_PASS_MIXER
)
391 if (dobj
->ops
&& dobj
->ops
->control_unload
)
392 dobj
->ops
->control_unload(comp
, dobj
);
394 snd_ctl_remove(card
, dobj
->control
.kcontrol
);
395 list_del(&dobj
->list
);
397 soc_tplg_denum_remove_values(se
);
398 soc_tplg_denum_remove_texts(se
);
402 /* remove a byte kcontrol */
403 static void remove_bytes(struct snd_soc_component
*comp
,
404 struct snd_soc_dobj
*dobj
, int pass
)
406 struct snd_card
*card
= comp
->card
->snd_card
;
407 struct soc_bytes_ext
*sb
=
408 container_of(dobj
, struct soc_bytes_ext
, dobj
);
410 if (pass
!= SOC_TPLG_PASS_MIXER
)
413 if (dobj
->ops
&& dobj
->ops
->control_unload
)
414 dobj
->ops
->control_unload(comp
, dobj
);
416 snd_ctl_remove(card
, dobj
->control
.kcontrol
);
417 list_del(&dobj
->list
);
422 static void remove_route(struct snd_soc_component
*comp
,
423 struct snd_soc_dobj
*dobj
, int pass
)
425 struct snd_soc_dapm_route
*route
=
426 container_of(dobj
, struct snd_soc_dapm_route
, dobj
);
428 if (pass
!= SOC_TPLG_PASS_GRAPH
)
431 if (dobj
->ops
&& dobj
->ops
->dapm_route_unload
)
432 dobj
->ops
->dapm_route_unload(comp
, dobj
);
434 list_del(&dobj
->list
);
438 /* remove a widget and it's kcontrols - routes must be removed first */
439 static void remove_widget(struct snd_soc_component
*comp
,
440 struct snd_soc_dobj
*dobj
, int pass
)
442 struct snd_card
*card
= comp
->card
->snd_card
;
443 struct snd_soc_dapm_widget
*w
=
444 container_of(dobj
, struct snd_soc_dapm_widget
, dobj
);
447 if (pass
!= SOC_TPLG_PASS_WIDGET
)
450 if (dobj
->ops
&& dobj
->ops
->widget_unload
)
451 dobj
->ops
->widget_unload(comp
, dobj
);
457 * Dynamic Widgets either have 1..N enum kcontrols or mixers.
458 * The enum may either have an array of values or strings.
460 if (dobj
->widget
.kcontrol_type
== SND_SOC_TPLG_TYPE_ENUM
) {
461 /* enumerated widget mixer */
462 for (i
= 0; w
->kcontrols
!= NULL
&& i
< w
->num_kcontrols
; i
++) {
463 struct snd_kcontrol
*kcontrol
= w
->kcontrols
[i
];
464 struct soc_enum
*se
=
465 (struct soc_enum
*)kcontrol
->private_value
;
467 snd_ctl_remove(card
, kcontrol
);
469 /* free enum kcontrol's dvalues and dtexts */
470 soc_tplg_denum_remove_values(se
);
471 soc_tplg_denum_remove_texts(se
);
474 kfree(w
->kcontrol_news
[i
].name
);
477 /* volume mixer or bytes controls */
478 for (i
= 0; w
->kcontrols
!= NULL
&& i
< w
->num_kcontrols
; i
++) {
479 struct snd_kcontrol
*kcontrol
= w
->kcontrols
[i
];
481 if (dobj
->widget
.kcontrol_type
482 == SND_SOC_TPLG_TYPE_MIXER
)
483 kfree(kcontrol
->tlv
.p
);
485 /* Private value is used as struct soc_mixer_control
486 * for volume mixers or soc_bytes_ext for bytes
489 kfree((void *)kcontrol
->private_value
);
490 snd_ctl_remove(card
, kcontrol
);
491 kfree(w
->kcontrol_news
[i
].name
);
496 kfree(w
->kcontrol_news
);
498 list_del(&dobj
->list
);
500 /* widget w is freed by soc-dapm.c */
503 /* remove DAI configurations */
504 static void remove_dai(struct snd_soc_component
*comp
,
505 struct snd_soc_dobj
*dobj
, int pass
)
507 struct snd_soc_dai_driver
*dai_drv
=
508 container_of(dobj
, struct snd_soc_dai_driver
, dobj
);
509 struct snd_soc_dai
*dai
;
511 if (pass
!= SOC_TPLG_PASS_PCM_DAI
)
514 if (dobj
->ops
&& dobj
->ops
->dai_unload
)
515 dobj
->ops
->dai_unload(comp
, dobj
);
517 for_each_component_dais(comp
, dai
)
518 if (dai
->driver
== dai_drv
)
521 kfree(dai_drv
->playback
.stream_name
);
522 kfree(dai_drv
->capture
.stream_name
);
523 kfree(dai_drv
->name
);
524 list_del(&dobj
->list
);
528 /* remove link configurations */
529 static void remove_link(struct snd_soc_component
*comp
,
530 struct snd_soc_dobj
*dobj
, int pass
)
532 struct snd_soc_dai_link
*link
=
533 container_of(dobj
, struct snd_soc_dai_link
, dobj
);
535 if (pass
!= SOC_TPLG_PASS_PCM_DAI
)
538 if (dobj
->ops
&& dobj
->ops
->link_unload
)
539 dobj
->ops
->link_unload(comp
, dobj
);
541 list_del(&dobj
->list
);
542 snd_soc_remove_pcm_runtime(comp
->card
,
543 snd_soc_get_pcm_runtime(comp
->card
, link
));
546 kfree(link
->stream_name
);
547 kfree(link
->cpus
->dai_name
);
551 /* unload dai link */
552 static void remove_backend_link(struct snd_soc_component
*comp
,
553 struct snd_soc_dobj
*dobj
, int pass
)
555 if (pass
!= SOC_TPLG_PASS_LINK
)
558 if (dobj
->ops
&& dobj
->ops
->link_unload
)
559 dobj
->ops
->link_unload(comp
, dobj
);
562 * We don't free the link here as what remove_link() do since BE
563 * links are not allocated by topology.
564 * We however need to reset the dobj type to its initial values
566 dobj
->type
= SND_SOC_DOBJ_NONE
;
567 list_del(&dobj
->list
);
570 /* bind a kcontrol to it's IO handlers */
571 static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr
*hdr
,
572 struct snd_kcontrol_new
*k
,
573 const struct soc_tplg
*tplg
)
575 const struct snd_soc_tplg_kcontrol_ops
*ops
;
576 const struct snd_soc_tplg_bytes_ext_ops
*ext_ops
;
579 if (le32_to_cpu(hdr
->ops
.info
) == SND_SOC_TPLG_CTL_BYTES
580 && k
->iface
& SNDRV_CTL_ELEM_IFACE_MIXER
581 && k
->access
& SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
582 && k
->access
& SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK
) {
583 struct soc_bytes_ext
*sbe
;
584 struct snd_soc_tplg_bytes_control
*be
;
586 sbe
= (struct soc_bytes_ext
*)k
->private_value
;
587 be
= container_of(hdr
, struct snd_soc_tplg_bytes_control
, hdr
);
589 /* TLV bytes controls need standard kcontrol info handler,
590 * TLV callback and extended put/get handlers.
592 k
->info
= snd_soc_bytes_info_ext
;
593 k
->tlv
.c
= snd_soc_bytes_tlv_callback
;
595 ext_ops
= tplg
->bytes_ext_ops
;
596 num_ops
= tplg
->bytes_ext_ops_count
;
597 for (i
= 0; i
< num_ops
; i
++) {
599 ext_ops
[i
].id
== le32_to_cpu(be
->ext_ops
.put
))
600 sbe
->put
= ext_ops
[i
].put
;
602 ext_ops
[i
].id
== le32_to_cpu(be
->ext_ops
.get
))
603 sbe
->get
= ext_ops
[i
].get
;
606 if (sbe
->put
&& sbe
->get
)
612 /* try and map vendor specific kcontrol handlers first */
614 num_ops
= tplg
->io_ops_count
;
615 for (i
= 0; i
< num_ops
; i
++) {
617 if (k
->put
== NULL
&& ops
[i
].id
== le32_to_cpu(hdr
->ops
.put
))
619 if (k
->get
== NULL
&& ops
[i
].id
== le32_to_cpu(hdr
->ops
.get
))
621 if (k
->info
== NULL
&& ops
[i
].id
== le32_to_cpu(hdr
->ops
.info
))
622 k
->info
= ops
[i
].info
;
625 /* vendor specific handlers found ? */
626 if (k
->put
&& k
->get
&& k
->info
)
629 /* none found so try standard kcontrol handlers */
631 num_ops
= ARRAY_SIZE(io_ops
);
632 for (i
= 0; i
< num_ops
; i
++) {
634 if (k
->put
== NULL
&& ops
[i
].id
== le32_to_cpu(hdr
->ops
.put
))
636 if (k
->get
== NULL
&& ops
[i
].id
== le32_to_cpu(hdr
->ops
.get
))
638 if (k
->info
== NULL
&& ops
[i
].id
== le32_to_cpu(hdr
->ops
.info
))
639 k
->info
= ops
[i
].info
;
642 /* standard handlers found ? */
643 if (k
->put
&& k
->get
&& k
->info
)
646 /* nothing to bind */
650 /* bind a widgets to it's evnt handlers */
651 int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget
*w
,
652 const struct snd_soc_tplg_widget_events
*events
,
653 int num_events
, u16 event_type
)
659 for (i
= 0; i
< num_events
; i
++) {
660 if (event_type
== events
[i
].type
) {
662 /* found - so assign event */
663 w
->event
= events
[i
].event_handler
;
671 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event
);
673 /* optionally pass new dynamic kcontrol to component driver. */
674 static int soc_tplg_init_kcontrol(struct soc_tplg
*tplg
,
675 struct snd_kcontrol_new
*k
, struct snd_soc_tplg_ctl_hdr
*hdr
)
677 if (tplg
->ops
&& tplg
->ops
->control_load
)
678 return tplg
->ops
->control_load(tplg
->comp
, tplg
->index
, k
,
685 static int soc_tplg_create_tlv_db_scale(struct soc_tplg
*tplg
,
686 struct snd_kcontrol_new
*kc
, struct snd_soc_tplg_tlv_dbscale
*scale
)
688 unsigned int item_len
= 2 * sizeof(unsigned int);
691 p
= kzalloc(item_len
+ 2 * sizeof(unsigned int), GFP_KERNEL
);
695 p
[0] = SNDRV_CTL_TLVT_DB_SCALE
;
697 p
[2] = le32_to_cpu(scale
->min
);
698 p
[3] = (le32_to_cpu(scale
->step
) & TLV_DB_SCALE_MASK
)
699 | (le32_to_cpu(scale
->mute
) ? TLV_DB_SCALE_MUTE
: 0);
701 kc
->tlv
.p
= (void *)p
;
705 static int soc_tplg_create_tlv(struct soc_tplg
*tplg
,
706 struct snd_kcontrol_new
*kc
, struct snd_soc_tplg_ctl_hdr
*tc
)
708 struct snd_soc_tplg_ctl_tlv
*tplg_tlv
;
709 u32 access
= le32_to_cpu(tc
->access
);
711 if (!(access
& SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE
))
714 if (!(access
& SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK
)) {
716 switch (le32_to_cpu(tplg_tlv
->type
)) {
717 case SNDRV_CTL_TLVT_DB_SCALE
:
718 return soc_tplg_create_tlv_db_scale(tplg
, kc
,
721 /* TODO: add support for other TLV types */
723 dev_dbg(tplg
->dev
, "Unsupported TLV type %d\n",
732 static inline void soc_tplg_free_tlv(struct soc_tplg
*tplg
,
733 struct snd_kcontrol_new
*kc
)
738 static int soc_tplg_dbytes_create(struct soc_tplg
*tplg
, unsigned int count
,
741 struct snd_soc_tplg_bytes_control
*be
;
742 struct soc_bytes_ext
*sbe
;
743 struct snd_kcontrol_new kc
;
747 if (soc_tplg_check_elem_count(tplg
,
748 sizeof(struct snd_soc_tplg_bytes_control
), count
,
749 size
, "mixer bytes")) {
750 dev_err(tplg
->dev
, "ASoC: Invalid count %d for byte control\n",
755 for (i
= 0; i
< count
; i
++) {
756 be
= (struct snd_soc_tplg_bytes_control
*)tplg
->pos
;
758 /* validate kcontrol */
759 if (strnlen(be
->hdr
.name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
760 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
763 sbe
= kzalloc(sizeof(*sbe
), GFP_KERNEL
);
767 tplg
->pos
+= (sizeof(struct snd_soc_tplg_bytes_control
) +
768 le32_to_cpu(be
->priv
.size
));
771 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
772 be
->hdr
.name
, be
->hdr
.access
);
774 memset(&kc
, 0, sizeof(kc
));
775 kc
.name
= be
->hdr
.name
;
776 kc
.private_value
= (long)sbe
;
777 kc
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
778 kc
.access
= le32_to_cpu(be
->hdr
.access
);
780 sbe
->max
= le32_to_cpu(be
->max
);
781 sbe
->dobj
.type
= SND_SOC_DOBJ_BYTES
;
782 sbe
->dobj
.ops
= tplg
->ops
;
783 INIT_LIST_HEAD(&sbe
->dobj
.list
);
785 /* map io handlers */
786 err
= soc_tplg_kcontrol_bind_io(&be
->hdr
, &kc
, tplg
);
788 soc_control_err(tplg
, &be
->hdr
, be
->hdr
.name
);
793 /* pass control to driver for optional further init */
794 err
= soc_tplg_init_kcontrol(tplg
, &kc
,
795 (struct snd_soc_tplg_ctl_hdr
*)be
);
797 dev_err(tplg
->dev
, "ASoC: failed to init %s\n",
803 /* register control here */
804 err
= soc_tplg_add_kcontrol(tplg
, &kc
,
805 &sbe
->dobj
.control
.kcontrol
);
807 dev_err(tplg
->dev
, "ASoC: failed to add %s\n",
813 list_add(&sbe
->dobj
.list
, &tplg
->comp
->dobj_list
);
819 static int soc_tplg_dmixer_create(struct soc_tplg
*tplg
, unsigned int count
,
822 struct snd_soc_tplg_mixer_control
*mc
;
823 struct soc_mixer_control
*sm
;
824 struct snd_kcontrol_new kc
;
828 if (soc_tplg_check_elem_count(tplg
,
829 sizeof(struct snd_soc_tplg_mixer_control
),
830 count
, size
, "mixers")) {
832 dev_err(tplg
->dev
, "ASoC: invalid count %d for controls\n",
837 for (i
= 0; i
< count
; i
++) {
838 mc
= (struct snd_soc_tplg_mixer_control
*)tplg
->pos
;
840 /* validate kcontrol */
841 if (strnlen(mc
->hdr
.name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
842 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
845 sm
= kzalloc(sizeof(*sm
), GFP_KERNEL
);
848 tplg
->pos
+= (sizeof(struct snd_soc_tplg_mixer_control
) +
849 le32_to_cpu(mc
->priv
.size
));
852 "ASoC: adding mixer kcontrol %s with access 0x%x\n",
853 mc
->hdr
.name
, mc
->hdr
.access
);
855 memset(&kc
, 0, sizeof(kc
));
856 kc
.name
= mc
->hdr
.name
;
857 kc
.private_value
= (long)sm
;
858 kc
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
859 kc
.access
= le32_to_cpu(mc
->hdr
.access
);
861 /* we only support FL/FR channel mapping atm */
862 sm
->reg
= tplc_chan_get_reg(tplg
, mc
->channel
,
864 sm
->rreg
= tplc_chan_get_reg(tplg
, mc
->channel
,
866 sm
->shift
= tplc_chan_get_shift(tplg
, mc
->channel
,
868 sm
->rshift
= tplc_chan_get_shift(tplg
, mc
->channel
,
871 sm
->max
= le32_to_cpu(mc
->max
);
872 sm
->min
= le32_to_cpu(mc
->min
);
873 sm
->invert
= le32_to_cpu(mc
->invert
);
874 sm
->platform_max
= le32_to_cpu(mc
->platform_max
);
875 sm
->dobj
.index
= tplg
->index
;
876 sm
->dobj
.ops
= tplg
->ops
;
877 sm
->dobj
.type
= SND_SOC_DOBJ_MIXER
;
878 INIT_LIST_HEAD(&sm
->dobj
.list
);
880 /* map io handlers */
881 err
= soc_tplg_kcontrol_bind_io(&mc
->hdr
, &kc
, tplg
);
883 soc_control_err(tplg
, &mc
->hdr
, mc
->hdr
.name
);
888 /* create any TLV data */
889 err
= soc_tplg_create_tlv(tplg
, &kc
, &mc
->hdr
);
891 dev_err(tplg
->dev
, "ASoC: failed to create TLV %s\n",
897 /* pass control to driver for optional further init */
898 err
= soc_tplg_init_kcontrol(tplg
, &kc
,
899 (struct snd_soc_tplg_ctl_hdr
*) mc
);
901 dev_err(tplg
->dev
, "ASoC: failed to init %s\n",
903 soc_tplg_free_tlv(tplg
, &kc
);
908 /* register control here */
909 err
= soc_tplg_add_kcontrol(tplg
, &kc
,
910 &sm
->dobj
.control
.kcontrol
);
912 dev_err(tplg
->dev
, "ASoC: failed to add %s\n",
914 soc_tplg_free_tlv(tplg
, &kc
);
919 list_add(&sm
->dobj
.list
, &tplg
->comp
->dobj_list
);
925 static int soc_tplg_denum_create_texts(struct soc_enum
*se
,
926 struct snd_soc_tplg_enum_control
*ec
)
930 se
->dobj
.control
.dtexts
=
931 kcalloc(le32_to_cpu(ec
->items
), sizeof(char *), GFP_KERNEL
);
932 if (se
->dobj
.control
.dtexts
== NULL
)
935 for (i
= 0; i
< le32_to_cpu(ec
->items
); i
++) {
937 if (strnlen(ec
->texts
[i
], SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
938 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) {
943 se
->dobj
.control
.dtexts
[i
] = kstrdup(ec
->texts
[i
], GFP_KERNEL
);
944 if (!se
->dobj
.control
.dtexts
[i
]) {
950 se
->items
= le32_to_cpu(ec
->items
);
951 se
->texts
= (const char * const *)se
->dobj
.control
.dtexts
;
956 soc_tplg_denum_remove_texts(se
);
960 static inline void soc_tplg_denum_remove_texts(struct soc_enum
*se
)
964 for (--i
; i
>= 0; i
--)
965 kfree(se
->dobj
.control
.dtexts
[i
]);
966 kfree(se
->dobj
.control
.dtexts
);
969 static int soc_tplg_denum_create_values(struct soc_enum
*se
,
970 struct snd_soc_tplg_enum_control
*ec
)
974 if (le32_to_cpu(ec
->items
) > sizeof(*ec
->values
))
977 se
->dobj
.control
.dvalues
= kzalloc(le32_to_cpu(ec
->items
) *
980 if (!se
->dobj
.control
.dvalues
)
983 /* convert from little-endian */
984 for (i
= 0; i
< le32_to_cpu(ec
->items
); i
++) {
985 se
->dobj
.control
.dvalues
[i
] = le32_to_cpu(ec
->values
[i
]);
991 static inline void soc_tplg_denum_remove_values(struct soc_enum
*se
)
993 kfree(se
->dobj
.control
.dvalues
);
996 static int soc_tplg_denum_create(struct soc_tplg
*tplg
, unsigned int count
,
999 struct snd_soc_tplg_enum_control
*ec
;
1000 struct soc_enum
*se
;
1001 struct snd_kcontrol_new kc
;
1005 if (soc_tplg_check_elem_count(tplg
,
1006 sizeof(struct snd_soc_tplg_enum_control
),
1007 count
, size
, "enums")) {
1009 dev_err(tplg
->dev
, "ASoC: invalid count %d for enum controls\n",
1014 for (i
= 0; i
< count
; i
++) {
1015 ec
= (struct snd_soc_tplg_enum_control
*)tplg
->pos
;
1017 /* validate kcontrol */
1018 if (strnlen(ec
->hdr
.name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1019 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
1022 se
= kzalloc((sizeof(*se
)), GFP_KERNEL
);
1026 tplg
->pos
+= (sizeof(struct snd_soc_tplg_enum_control
) +
1027 le32_to_cpu(ec
->priv
.size
));
1029 dev_dbg(tplg
->dev
, "ASoC: adding enum kcontrol %s size %d\n",
1030 ec
->hdr
.name
, ec
->items
);
1032 memset(&kc
, 0, sizeof(kc
));
1033 kc
.name
= ec
->hdr
.name
;
1034 kc
.private_value
= (long)se
;
1035 kc
.iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
1036 kc
.access
= le32_to_cpu(ec
->hdr
.access
);
1038 se
->reg
= tplc_chan_get_reg(tplg
, ec
->channel
, SNDRV_CHMAP_FL
);
1039 se
->shift_l
= tplc_chan_get_shift(tplg
, ec
->channel
,
1041 se
->shift_r
= tplc_chan_get_shift(tplg
, ec
->channel
,
1044 se
->mask
= le32_to_cpu(ec
->mask
);
1045 se
->dobj
.index
= tplg
->index
;
1046 se
->dobj
.type
= SND_SOC_DOBJ_ENUM
;
1047 se
->dobj
.ops
= tplg
->ops
;
1048 INIT_LIST_HEAD(&se
->dobj
.list
);
1050 switch (le32_to_cpu(ec
->hdr
.ops
.info
)) {
1051 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE
:
1052 case SND_SOC_TPLG_CTL_ENUM_VALUE
:
1053 err
= soc_tplg_denum_create_values(se
, ec
);
1056 "ASoC: could not create values for %s\n",
1061 case SND_SOC_TPLG_CTL_ENUM
:
1062 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE
:
1063 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT
:
1064 err
= soc_tplg_denum_create_texts(se
, ec
);
1067 "ASoC: could not create texts for %s\n",
1075 "ASoC: invalid enum control type %d for %s\n",
1076 ec
->hdr
.ops
.info
, ec
->hdr
.name
);
1080 /* map io handlers */
1081 err
= soc_tplg_kcontrol_bind_io(&ec
->hdr
, &kc
, tplg
);
1083 soc_control_err(tplg
, &ec
->hdr
, ec
->hdr
.name
);
1087 /* pass control to driver for optional further init */
1088 err
= soc_tplg_init_kcontrol(tplg
, &kc
,
1089 (struct snd_soc_tplg_ctl_hdr
*) ec
);
1091 dev_err(tplg
->dev
, "ASoC: failed to init %s\n",
1096 /* register control here */
1097 err
= soc_tplg_add_kcontrol(tplg
,
1098 &kc
, &se
->dobj
.control
.kcontrol
);
1100 dev_err(tplg
->dev
, "ASoC: could not add kcontrol %s\n",
1105 list_add(&se
->dobj
.list
, &tplg
->comp
->dobj_list
);
1114 static int soc_tplg_kcontrol_elems_load(struct soc_tplg
*tplg
,
1115 struct snd_soc_tplg_hdr
*hdr
)
1117 struct snd_soc_tplg_ctl_hdr
*control_hdr
;
1121 dev_dbg(tplg
->dev
, "ASoC: adding %d kcontrols at 0x%lx\n", hdr
->count
,
1122 soc_tplg_get_offset(tplg
));
1124 for (i
= 0; i
< le32_to_cpu(hdr
->count
); i
++) {
1126 control_hdr
= (struct snd_soc_tplg_ctl_hdr
*)tplg
->pos
;
1128 if (le32_to_cpu(control_hdr
->size
) != sizeof(*control_hdr
)) {
1129 dev_err(tplg
->dev
, "ASoC: invalid control size\n");
1133 switch (le32_to_cpu(control_hdr
->ops
.info
)) {
1134 case SND_SOC_TPLG_CTL_VOLSW
:
1135 case SND_SOC_TPLG_CTL_STROBE
:
1136 case SND_SOC_TPLG_CTL_VOLSW_SX
:
1137 case SND_SOC_TPLG_CTL_VOLSW_XR_SX
:
1138 case SND_SOC_TPLG_CTL_RANGE
:
1139 case SND_SOC_TPLG_DAPM_CTL_VOLSW
:
1140 case SND_SOC_TPLG_DAPM_CTL_PIN
:
1141 ret
= soc_tplg_dmixer_create(tplg
, 1,
1142 le32_to_cpu(hdr
->payload_size
));
1144 case SND_SOC_TPLG_CTL_ENUM
:
1145 case SND_SOC_TPLG_CTL_ENUM_VALUE
:
1146 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE
:
1147 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT
:
1148 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE
:
1149 ret
= soc_tplg_denum_create(tplg
, 1,
1150 le32_to_cpu(hdr
->payload_size
));
1152 case SND_SOC_TPLG_CTL_BYTES
:
1153 ret
= soc_tplg_dbytes_create(tplg
, 1,
1154 le32_to_cpu(hdr
->payload_size
));
1157 soc_bind_err(tplg
, control_hdr
, i
);
1161 dev_err(tplg
->dev
, "ASoC: invalid control\n");
1170 /* optionally pass new dynamic kcontrol to component driver. */
1171 static int soc_tplg_add_route(struct soc_tplg
*tplg
,
1172 struct snd_soc_dapm_route
*route
)
1174 if (tplg
->ops
&& tplg
->ops
->dapm_route_load
)
1175 return tplg
->ops
->dapm_route_load(tplg
->comp
, tplg
->index
,
1181 static int soc_tplg_dapm_graph_elems_load(struct soc_tplg
*tplg
,
1182 struct snd_soc_tplg_hdr
*hdr
)
1184 struct snd_soc_dapm_context
*dapm
= &tplg
->comp
->dapm
;
1185 struct snd_soc_tplg_dapm_graph_elem
*elem
;
1186 struct snd_soc_dapm_route
**routes
;
1190 count
= le32_to_cpu(hdr
->count
);
1192 if (soc_tplg_check_elem_count(tplg
,
1193 sizeof(struct snd_soc_tplg_dapm_graph_elem
),
1194 count
, le32_to_cpu(hdr
->payload_size
), "graph")) {
1196 dev_err(tplg
->dev
, "ASoC: invalid count %d for DAPM routes\n",
1201 dev_dbg(tplg
->dev
, "ASoC: adding %d DAPM routes for index %d\n", count
,
1204 /* allocate memory for pointer to array of dapm routes */
1205 routes
= kcalloc(count
, sizeof(struct snd_soc_dapm_route
*),
1211 * allocate memory for each dapm route in the array.
1212 * This needs to be done individually so that
1213 * each route can be freed when it is removed in remove_route().
1215 for (i
= 0; i
< count
; i
++) {
1216 routes
[i
] = kzalloc(sizeof(*routes
[i
]), GFP_KERNEL
);
1218 /* free previously allocated memory */
1219 for (j
= 0; j
< i
; j
++)
1227 for (i
= 0; i
< count
; i
++) {
1228 elem
= (struct snd_soc_tplg_dapm_graph_elem
*)tplg
->pos
;
1229 tplg
->pos
+= sizeof(struct snd_soc_tplg_dapm_graph_elem
);
1231 /* validate routes */
1232 if (strnlen(elem
->source
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1233 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) {
1237 if (strnlen(elem
->sink
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1238 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) {
1242 if (strnlen(elem
->control
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1243 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) {
1248 routes
[i
]->source
= elem
->source
;
1249 routes
[i
]->sink
= elem
->sink
;
1251 /* set to NULL atm for tplg users */
1252 routes
[i
]->connected
= NULL
;
1253 if (strnlen(elem
->control
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) == 0)
1254 routes
[i
]->control
= NULL
;
1256 routes
[i
]->control
= elem
->control
;
1258 /* add route dobj to dobj_list */
1259 routes
[i
]->dobj
.type
= SND_SOC_DOBJ_GRAPH
;
1260 routes
[i
]->dobj
.ops
= tplg
->ops
;
1261 routes
[i
]->dobj
.index
= tplg
->index
;
1262 list_add(&routes
[i
]->dobj
.list
, &tplg
->comp
->dobj_list
);
1264 ret
= soc_tplg_add_route(tplg
, routes
[i
]);
1266 dev_err(tplg
->dev
, "ASoC: topology: add_route failed: %d\n", ret
);
1268 * this route was added to the list, it will
1269 * be freed in remove_route() so increment the
1270 * counter to skip it in the error handling
1277 /* add route, but keep going if some fail */
1278 snd_soc_dapm_add_routes(dapm
, routes
[i
], 1);
1282 * free memory allocated for all dapm routes not added to the
1283 * list in case of error
1291 * free pointer to array of dapm routes as this is no longer needed.
1292 * The memory allocated for each dapm route will be freed
1293 * when it is removed in remove_route().
1300 static struct snd_kcontrol_new
*soc_tplg_dapm_widget_dmixer_create(
1301 struct soc_tplg
*tplg
, int num_kcontrols
)
1303 struct snd_kcontrol_new
*kc
;
1304 struct soc_mixer_control
*sm
;
1305 struct snd_soc_tplg_mixer_control
*mc
;
1308 kc
= kcalloc(num_kcontrols
, sizeof(*kc
), GFP_KERNEL
);
1312 for (i
= 0; i
< num_kcontrols
; i
++) {
1313 mc
= (struct snd_soc_tplg_mixer_control
*)tplg
->pos
;
1315 /* validate kcontrol */
1316 if (strnlen(mc
->hdr
.name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1317 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
1320 sm
= kzalloc(sizeof(*sm
), GFP_KERNEL
);
1324 tplg
->pos
+= (sizeof(struct snd_soc_tplg_mixer_control
) +
1325 le32_to_cpu(mc
->priv
.size
));
1327 dev_dbg(tplg
->dev
, " adding DAPM widget mixer control %s at %d\n",
1330 kc
[i
].private_value
= (long)sm
;
1331 kc
[i
].name
= kstrdup(mc
->hdr
.name
, GFP_KERNEL
);
1332 if (kc
[i
].name
== NULL
)
1334 kc
[i
].iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
1335 kc
[i
].access
= le32_to_cpu(mc
->hdr
.access
);
1337 /* we only support FL/FR channel mapping atm */
1338 sm
->reg
= tplc_chan_get_reg(tplg
, mc
->channel
,
1340 sm
->rreg
= tplc_chan_get_reg(tplg
, mc
->channel
,
1342 sm
->shift
= tplc_chan_get_shift(tplg
, mc
->channel
,
1344 sm
->rshift
= tplc_chan_get_shift(tplg
, mc
->channel
,
1347 sm
->max
= le32_to_cpu(mc
->max
);
1348 sm
->min
= le32_to_cpu(mc
->min
);
1349 sm
->invert
= le32_to_cpu(mc
->invert
);
1350 sm
->platform_max
= le32_to_cpu(mc
->platform_max
);
1351 sm
->dobj
.index
= tplg
->index
;
1352 INIT_LIST_HEAD(&sm
->dobj
.list
);
1354 /* map io handlers */
1355 err
= soc_tplg_kcontrol_bind_io(&mc
->hdr
, &kc
[i
], tplg
);
1357 soc_control_err(tplg
, &mc
->hdr
, mc
->hdr
.name
);
1361 /* create any TLV data */
1362 err
= soc_tplg_create_tlv(tplg
, &kc
[i
], &mc
->hdr
);
1364 dev_err(tplg
->dev
, "ASoC: failed to create TLV %s\n",
1369 /* pass control to driver for optional further init */
1370 err
= soc_tplg_init_kcontrol(tplg
, &kc
[i
],
1371 (struct snd_soc_tplg_ctl_hdr
*)mc
);
1373 dev_err(tplg
->dev
, "ASoC: failed to init %s\n",
1381 for (; i
>= 0; i
--) {
1382 soc_tplg_free_tlv(tplg
, &kc
[i
]);
1383 sm
= (struct soc_mixer_control
*)kc
[i
].private_value
;
1392 static struct snd_kcontrol_new
*soc_tplg_dapm_widget_denum_create(
1393 struct soc_tplg
*tplg
, int num_kcontrols
)
1395 struct snd_kcontrol_new
*kc
;
1396 struct snd_soc_tplg_enum_control
*ec
;
1397 struct soc_enum
*se
;
1400 kc
= kcalloc(num_kcontrols
, sizeof(*kc
), GFP_KERNEL
);
1404 for (i
= 0; i
< num_kcontrols
; i
++) {
1405 ec
= (struct snd_soc_tplg_enum_control
*)tplg
->pos
;
1406 /* validate kcontrol */
1407 if (strnlen(ec
->hdr
.name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1408 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
1411 se
= kzalloc(sizeof(*se
), GFP_KERNEL
);
1415 tplg
->pos
+= (sizeof(struct snd_soc_tplg_enum_control
) +
1416 le32_to_cpu(ec
->priv
.size
));
1418 dev_dbg(tplg
->dev
, " adding DAPM widget enum control %s\n",
1421 kc
[i
].private_value
= (long)se
;
1422 kc
[i
].name
= kstrdup(ec
->hdr
.name
, GFP_KERNEL
);
1423 if (kc
[i
].name
== NULL
)
1425 kc
[i
].iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
1426 kc
[i
].access
= le32_to_cpu(ec
->hdr
.access
);
1428 /* we only support FL/FR channel mapping atm */
1429 se
->reg
= tplc_chan_get_reg(tplg
, ec
->channel
, SNDRV_CHMAP_FL
);
1430 se
->shift_l
= tplc_chan_get_shift(tplg
, ec
->channel
,
1432 se
->shift_r
= tplc_chan_get_shift(tplg
, ec
->channel
,
1435 se
->items
= le32_to_cpu(ec
->items
);
1436 se
->mask
= le32_to_cpu(ec
->mask
);
1437 se
->dobj
.index
= tplg
->index
;
1439 switch (le32_to_cpu(ec
->hdr
.ops
.info
)) {
1440 case SND_SOC_TPLG_CTL_ENUM_VALUE
:
1441 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE
:
1442 err
= soc_tplg_denum_create_values(se
, ec
);
1444 dev_err(tplg
->dev
, "ASoC: could not create values for %s\n",
1449 case SND_SOC_TPLG_CTL_ENUM
:
1450 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE
:
1451 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT
:
1452 err
= soc_tplg_denum_create_texts(se
, ec
);
1454 dev_err(tplg
->dev
, "ASoC: could not create texts for %s\n",
1460 dev_err(tplg
->dev
, "ASoC: invalid enum control type %d for %s\n",
1461 ec
->hdr
.ops
.info
, ec
->hdr
.name
);
1465 /* map io handlers */
1466 err
= soc_tplg_kcontrol_bind_io(&ec
->hdr
, &kc
[i
], tplg
);
1468 soc_control_err(tplg
, &ec
->hdr
, ec
->hdr
.name
);
1472 /* pass control to driver for optional further init */
1473 err
= soc_tplg_init_kcontrol(tplg
, &kc
[i
],
1474 (struct snd_soc_tplg_ctl_hdr
*)ec
);
1476 dev_err(tplg
->dev
, "ASoC: failed to init %s\n",
1485 for (; i
>= 0; i
--) {
1486 /* free values and texts */
1487 se
= (struct soc_enum
*)kc
[i
].private_value
;
1490 soc_tplg_denum_remove_values(se
);
1491 soc_tplg_denum_remove_texts(se
);
1502 static struct snd_kcontrol_new
*soc_tplg_dapm_widget_dbytes_create(
1503 struct soc_tplg
*tplg
, int num_kcontrols
)
1505 struct snd_soc_tplg_bytes_control
*be
;
1506 struct soc_bytes_ext
*sbe
;
1507 struct snd_kcontrol_new
*kc
;
1510 kc
= kcalloc(num_kcontrols
, sizeof(*kc
), GFP_KERNEL
);
1514 for (i
= 0; i
< num_kcontrols
; i
++) {
1515 be
= (struct snd_soc_tplg_bytes_control
*)tplg
->pos
;
1517 /* validate kcontrol */
1518 if (strnlen(be
->hdr
.name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1519 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
1522 sbe
= kzalloc(sizeof(*sbe
), GFP_KERNEL
);
1526 tplg
->pos
+= (sizeof(struct snd_soc_tplg_bytes_control
) +
1527 le32_to_cpu(be
->priv
.size
));
1530 "ASoC: adding bytes kcontrol %s with access 0x%x\n",
1531 be
->hdr
.name
, be
->hdr
.access
);
1533 kc
[i
].private_value
= (long)sbe
;
1534 kc
[i
].name
= kstrdup(be
->hdr
.name
, GFP_KERNEL
);
1535 if (kc
[i
].name
== NULL
)
1537 kc
[i
].iface
= SNDRV_CTL_ELEM_IFACE_MIXER
;
1538 kc
[i
].access
= le32_to_cpu(be
->hdr
.access
);
1540 sbe
->max
= le32_to_cpu(be
->max
);
1541 INIT_LIST_HEAD(&sbe
->dobj
.list
);
1543 /* map standard io handlers and check for external handlers */
1544 err
= soc_tplg_kcontrol_bind_io(&be
->hdr
, &kc
[i
], tplg
);
1546 soc_control_err(tplg
, &be
->hdr
, be
->hdr
.name
);
1550 /* pass control to driver for optional further init */
1551 err
= soc_tplg_init_kcontrol(tplg
, &kc
[i
],
1552 (struct snd_soc_tplg_ctl_hdr
*)be
);
1554 dev_err(tplg
->dev
, "ASoC: failed to init %s\n",
1563 for (; i
>= 0; i
--) {
1564 sbe
= (struct soc_bytes_ext
*)kc
[i
].private_value
;
1573 static int soc_tplg_dapm_widget_create(struct soc_tplg
*tplg
,
1574 struct snd_soc_tplg_dapm_widget
*w
)
1576 struct snd_soc_dapm_context
*dapm
= &tplg
->comp
->dapm
;
1577 struct snd_soc_dapm_widget
template, *widget
;
1578 struct snd_soc_tplg_ctl_hdr
*control_hdr
;
1579 struct snd_soc_card
*card
= tplg
->comp
->card
;
1580 unsigned int kcontrol_type
;
1583 if (strnlen(w
->name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1584 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
1586 if (strnlen(w
->sname
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
) ==
1587 SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
1590 dev_dbg(tplg
->dev
, "ASoC: creating DAPM widget %s id %d\n",
1593 memset(&template, 0, sizeof(template));
1595 /* map user to kernel widget ID */
1596 template.id
= get_widget_id(le32_to_cpu(w
->id
));
1597 if ((int)template.id
< 0)
1600 /* strings are allocated here, but used and freed by the widget */
1601 template.name
= kstrdup(w
->name
, GFP_KERNEL
);
1604 template.sname
= kstrdup(w
->sname
, GFP_KERNEL
);
1605 if (!template.sname
) {
1609 template.reg
= le32_to_cpu(w
->reg
);
1610 template.shift
= le32_to_cpu(w
->shift
);
1611 template.mask
= le32_to_cpu(w
->mask
);
1612 template.subseq
= le32_to_cpu(w
->subseq
);
1613 template.on_val
= w
->invert
? 0 : 1;
1614 template.off_val
= w
->invert
? 1 : 0;
1615 template.ignore_suspend
= le32_to_cpu(w
->ignore_suspend
);
1616 template.event_flags
= le16_to_cpu(w
->event_flags
);
1617 template.dobj
.index
= tplg
->index
;
1620 (sizeof(struct snd_soc_tplg_dapm_widget
) +
1621 le32_to_cpu(w
->priv
.size
));
1623 if (w
->num_kcontrols
== 0) {
1625 template.num_kcontrols
= 0;
1629 control_hdr
= (struct snd_soc_tplg_ctl_hdr
*)tplg
->pos
;
1630 dev_dbg(tplg
->dev
, "ASoC: template %s has %d controls of type %x\n",
1631 w
->name
, w
->num_kcontrols
, control_hdr
->type
);
1633 switch (le32_to_cpu(control_hdr
->ops
.info
)) {
1634 case SND_SOC_TPLG_CTL_VOLSW
:
1635 case SND_SOC_TPLG_CTL_STROBE
:
1636 case SND_SOC_TPLG_CTL_VOLSW_SX
:
1637 case SND_SOC_TPLG_CTL_VOLSW_XR_SX
:
1638 case SND_SOC_TPLG_CTL_RANGE
:
1639 case SND_SOC_TPLG_DAPM_CTL_VOLSW
:
1640 kcontrol_type
= SND_SOC_TPLG_TYPE_MIXER
; /* volume mixer */
1641 template.num_kcontrols
= le32_to_cpu(w
->num_kcontrols
);
1642 template.kcontrol_news
=
1643 soc_tplg_dapm_widget_dmixer_create(tplg
,
1644 template.num_kcontrols
);
1645 if (!template.kcontrol_news
) {
1650 case SND_SOC_TPLG_CTL_ENUM
:
1651 case SND_SOC_TPLG_CTL_ENUM_VALUE
:
1652 case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE
:
1653 case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT
:
1654 case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE
:
1655 kcontrol_type
= SND_SOC_TPLG_TYPE_ENUM
; /* enumerated mixer */
1656 template.num_kcontrols
= le32_to_cpu(w
->num_kcontrols
);
1657 template.kcontrol_news
=
1658 soc_tplg_dapm_widget_denum_create(tplg
,
1659 template.num_kcontrols
);
1660 if (!template.kcontrol_news
) {
1665 case SND_SOC_TPLG_CTL_BYTES
:
1666 kcontrol_type
= SND_SOC_TPLG_TYPE_BYTES
; /* bytes control */
1667 template.num_kcontrols
= le32_to_cpu(w
->num_kcontrols
);
1668 template.kcontrol_news
=
1669 soc_tplg_dapm_widget_dbytes_create(tplg
,
1670 template.num_kcontrols
);
1671 if (!template.kcontrol_news
) {
1677 dev_err(tplg
->dev
, "ASoC: invalid widget control type %d:%d:%d\n",
1678 control_hdr
->ops
.get
, control_hdr
->ops
.put
,
1679 le32_to_cpu(control_hdr
->ops
.info
));
1685 ret
= soc_tplg_widget_load(tplg
, &template, w
);
1689 /* card dapm mutex is held by the core if we are loading topology
1690 * data during sound card init. */
1691 if (card
->instantiated
)
1692 widget
= snd_soc_dapm_new_control(dapm
, &template);
1694 widget
= snd_soc_dapm_new_control_unlocked(dapm
, &template);
1695 if (IS_ERR(widget
)) {
1696 ret
= PTR_ERR(widget
);
1700 widget
->dobj
.type
= SND_SOC_DOBJ_WIDGET
;
1701 widget
->dobj
.widget
.kcontrol_type
= kcontrol_type
;
1702 widget
->dobj
.ops
= tplg
->ops
;
1703 widget
->dobj
.index
= tplg
->index
;
1704 list_add(&widget
->dobj
.list
, &tplg
->comp
->dobj_list
);
1706 ret
= soc_tplg_widget_ready(tplg
, widget
, w
);
1710 kfree(template.sname
);
1711 kfree(template.name
);
1716 snd_soc_tplg_widget_remove(widget
);
1717 snd_soc_dapm_free_widget(widget
);
1719 kfree(template.sname
);
1721 kfree(template.name
);
1725 static int soc_tplg_dapm_widget_elems_load(struct soc_tplg
*tplg
,
1726 struct snd_soc_tplg_hdr
*hdr
)
1728 struct snd_soc_tplg_dapm_widget
*widget
;
1731 count
= le32_to_cpu(hdr
->count
);
1733 dev_dbg(tplg
->dev
, "ASoC: adding %d DAPM widgets\n", count
);
1735 for (i
= 0; i
< count
; i
++) {
1736 widget
= (struct snd_soc_tplg_dapm_widget
*) tplg
->pos
;
1737 if (le32_to_cpu(widget
->size
) != sizeof(*widget
)) {
1738 dev_err(tplg
->dev
, "ASoC: invalid widget size\n");
1742 ret
= soc_tplg_dapm_widget_create(tplg
, widget
);
1744 dev_err(tplg
->dev
, "ASoC: failed to load widget %s\n",
1753 static int soc_tplg_dapm_complete(struct soc_tplg
*tplg
)
1755 struct snd_soc_card
*card
= tplg
->comp
->card
;
1758 /* Card might not have been registered at this point.
1759 * If so, just return success.
1761 if (!card
|| !card
->instantiated
) {
1762 dev_warn(tplg
->dev
, "ASoC: Parent card not yet available,"
1763 " widget card binding deferred\n");
1767 ret
= snd_soc_dapm_new_widgets(card
);
1769 dev_err(tplg
->dev
, "ASoC: failed to create new widgets %d\n",
1775 static int set_stream_info(struct snd_soc_pcm_stream
*stream
,
1776 struct snd_soc_tplg_stream_caps
*caps
)
1778 stream
->stream_name
= kstrdup(caps
->name
, GFP_KERNEL
);
1779 if (!stream
->stream_name
)
1782 stream
->channels_min
= le32_to_cpu(caps
->channels_min
);
1783 stream
->channels_max
= le32_to_cpu(caps
->channels_max
);
1784 stream
->rates
= le32_to_cpu(caps
->rates
);
1785 stream
->rate_min
= le32_to_cpu(caps
->rate_min
);
1786 stream
->rate_max
= le32_to_cpu(caps
->rate_max
);
1787 stream
->formats
= le64_to_cpu(caps
->formats
);
1788 stream
->sig_bits
= le32_to_cpu(caps
->sig_bits
);
1793 static void set_dai_flags(struct snd_soc_dai_driver
*dai_drv
,
1794 unsigned int flag_mask
, unsigned int flags
)
1796 if (flag_mask
& SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES
)
1797 dai_drv
->symmetric_rates
=
1798 flags
& SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES
? 1 : 0;
1800 if (flag_mask
& SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS
)
1801 dai_drv
->symmetric_channels
=
1802 flags
& SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS
?
1805 if (flag_mask
& SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS
)
1806 dai_drv
->symmetric_samplebits
=
1807 flags
& SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS
?
1811 static int soc_tplg_dai_create(struct soc_tplg
*tplg
,
1812 struct snd_soc_tplg_pcm
*pcm
)
1814 struct snd_soc_dai_driver
*dai_drv
;
1815 struct snd_soc_pcm_stream
*stream
;
1816 struct snd_soc_tplg_stream_caps
*caps
;
1817 struct snd_soc_dai
*dai
;
1818 struct snd_soc_dapm_context
*dapm
=
1819 snd_soc_component_get_dapm(tplg
->comp
);
1822 dai_drv
= kzalloc(sizeof(struct snd_soc_dai_driver
), GFP_KERNEL
);
1823 if (dai_drv
== NULL
)
1826 if (strlen(pcm
->dai_name
)) {
1827 dai_drv
->name
= kstrdup(pcm
->dai_name
, GFP_KERNEL
);
1828 if (!dai_drv
->name
) {
1833 dai_drv
->id
= le32_to_cpu(pcm
->dai_id
);
1835 if (pcm
->playback
) {
1836 stream
= &dai_drv
->playback
;
1837 caps
= &pcm
->caps
[SND_SOC_TPLG_STREAM_PLAYBACK
];
1838 ret
= set_stream_info(stream
, caps
);
1844 stream
= &dai_drv
->capture
;
1845 caps
= &pcm
->caps
[SND_SOC_TPLG_STREAM_CAPTURE
];
1846 ret
= set_stream_info(stream
, caps
);
1852 dai_drv
->compress_new
= snd_soc_new_compress
;
1854 /* pass control to component driver for optional further init */
1855 ret
= soc_tplg_dai_load(tplg
, dai_drv
, pcm
, NULL
);
1857 dev_err(tplg
->comp
->dev
, "ASoC: DAI loading failed\n");
1861 dai_drv
->dobj
.index
= tplg
->index
;
1862 dai_drv
->dobj
.ops
= tplg
->ops
;
1863 dai_drv
->dobj
.type
= SND_SOC_DOBJ_PCM
;
1864 list_add(&dai_drv
->dobj
.list
, &tplg
->comp
->dobj_list
);
1866 /* register the DAI to the component */
1867 dai
= devm_snd_soc_register_dai(tplg
->comp
->dev
, tplg
->comp
, dai_drv
, false);
1871 /* Create the DAI widgets here */
1872 ret
= snd_soc_dapm_new_dai_widgets(dapm
, dai
);
1874 dev_err(dai
->dev
, "Failed to create DAI widgets %d\n", ret
);
1881 kfree(dai_drv
->playback
.stream_name
);
1882 kfree(dai_drv
->capture
.stream_name
);
1883 kfree(dai_drv
->name
);
1889 static void set_link_flags(struct snd_soc_dai_link
*link
,
1890 unsigned int flag_mask
, unsigned int flags
)
1892 if (flag_mask
& SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES
)
1893 link
->symmetric_rates
=
1894 flags
& SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES
? 1 : 0;
1896 if (flag_mask
& SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS
)
1897 link
->symmetric_channels
=
1898 flags
& SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS
?
1901 if (flag_mask
& SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS
)
1902 link
->symmetric_samplebits
=
1903 flags
& SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS
?
1906 if (flag_mask
& SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP
)
1907 link
->ignore_suspend
=
1908 flags
& SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP
?
1912 /* create the FE DAI link */
1913 static int soc_tplg_fe_link_create(struct soc_tplg
*tplg
,
1914 struct snd_soc_tplg_pcm
*pcm
)
1916 struct snd_soc_dai_link
*link
;
1917 struct snd_soc_dai_link_component
*dlc
;
1920 /* link + cpu + codec + platform */
1921 link
= kzalloc(sizeof(*link
) + (3 * sizeof(*dlc
)), GFP_KERNEL
);
1925 dlc
= (struct snd_soc_dai_link_component
*)(link
+ 1);
1927 link
->cpus
= &dlc
[0];
1928 link
->codecs
= &dlc
[1];
1929 link
->platforms
= &dlc
[2];
1932 link
->num_codecs
= 1;
1933 link
->num_platforms
= 1;
1935 link
->dobj
.index
= tplg
->index
;
1936 link
->dobj
.ops
= tplg
->ops
;
1937 link
->dobj
.type
= SND_SOC_DOBJ_DAI_LINK
;
1939 if (strlen(pcm
->pcm_name
)) {
1940 link
->name
= kstrdup(pcm
->pcm_name
, GFP_KERNEL
);
1941 link
->stream_name
= kstrdup(pcm
->pcm_name
, GFP_KERNEL
);
1942 if (!link
->name
|| !link
->stream_name
) {
1947 link
->id
= le32_to_cpu(pcm
->pcm_id
);
1949 if (strlen(pcm
->dai_name
)) {
1950 link
->cpus
->dai_name
= kstrdup(pcm
->dai_name
, GFP_KERNEL
);
1951 if (!link
->cpus
->dai_name
) {
1957 link
->codecs
->name
= "snd-soc-dummy";
1958 link
->codecs
->dai_name
= "snd-soc-dummy-dai";
1960 link
->platforms
->name
= "snd-soc-dummy";
1964 link
->dpcm_playback
= le32_to_cpu(pcm
->playback
);
1965 link
->dpcm_capture
= le32_to_cpu(pcm
->capture
);
1967 set_link_flags(link
,
1968 le32_to_cpu(pcm
->flag_mask
),
1969 le32_to_cpu(pcm
->flags
));
1971 /* pass control to component driver for optional further init */
1972 ret
= soc_tplg_dai_link_load(tplg
, link
, NULL
);
1974 dev_err(tplg
->comp
->dev
, "ASoC: FE link loading failed\n");
1978 ret
= snd_soc_add_pcm_runtime(tplg
->comp
->card
, link
);
1980 dev_err(tplg
->comp
->dev
, "ASoC: adding FE link failed\n");
1984 list_add(&link
->dobj
.list
, &tplg
->comp
->dobj_list
);
1989 kfree(link
->stream_name
);
1990 kfree(link
->cpus
->dai_name
);
1995 /* create a FE DAI and DAI link from the PCM object */
1996 static int soc_tplg_pcm_create(struct soc_tplg
*tplg
,
1997 struct snd_soc_tplg_pcm
*pcm
)
2001 ret
= soc_tplg_dai_create(tplg
, pcm
);
2005 return soc_tplg_fe_link_create(tplg
, pcm
);
2008 /* copy stream caps from the old version 4 of source */
2009 static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps
*dest
,
2010 struct snd_soc_tplg_stream_caps_v4
*src
)
2012 dest
->size
= cpu_to_le32(sizeof(*dest
));
2013 memcpy(dest
->name
, src
->name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
);
2014 dest
->formats
= src
->formats
;
2015 dest
->rates
= src
->rates
;
2016 dest
->rate_min
= src
->rate_min
;
2017 dest
->rate_max
= src
->rate_max
;
2018 dest
->channels_min
= src
->channels_min
;
2019 dest
->channels_max
= src
->channels_max
;
2020 dest
->periods_min
= src
->periods_min
;
2021 dest
->periods_max
= src
->periods_max
;
2022 dest
->period_size_min
= src
->period_size_min
;
2023 dest
->period_size_max
= src
->period_size_max
;
2024 dest
->buffer_size_min
= src
->buffer_size_min
;
2025 dest
->buffer_size_max
= src
->buffer_size_max
;
2029 * pcm_new_ver - Create the new version of PCM from the old version.
2030 * @tplg: topology context
2031 * @src: older version of pcm as a source
2032 * @pcm: latest version of pcm created from the source
2034 * Support from vesion 4. User should free the returned pcm manually.
2036 static int pcm_new_ver(struct soc_tplg
*tplg
,
2037 struct snd_soc_tplg_pcm
*src
,
2038 struct snd_soc_tplg_pcm
**pcm
)
2040 struct snd_soc_tplg_pcm
*dest
;
2041 struct snd_soc_tplg_pcm_v4
*src_v4
;
2046 if (le32_to_cpu(src
->size
) != sizeof(*src_v4
)) {
2047 dev_err(tplg
->dev
, "ASoC: invalid PCM size\n");
2051 dev_warn(tplg
->dev
, "ASoC: old version of PCM\n");
2052 src_v4
= (struct snd_soc_tplg_pcm_v4
*)src
;
2053 dest
= kzalloc(sizeof(*dest
), GFP_KERNEL
);
2057 dest
->size
= cpu_to_le32(sizeof(*dest
)); /* size of latest abi version */
2058 memcpy(dest
->pcm_name
, src_v4
->pcm_name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
);
2059 memcpy(dest
->dai_name
, src_v4
->dai_name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
);
2060 dest
->pcm_id
= src_v4
->pcm_id
;
2061 dest
->dai_id
= src_v4
->dai_id
;
2062 dest
->playback
= src_v4
->playback
;
2063 dest
->capture
= src_v4
->capture
;
2064 dest
->compress
= src_v4
->compress
;
2065 dest
->num_streams
= src_v4
->num_streams
;
2066 for (i
= 0; i
< le32_to_cpu(dest
->num_streams
); i
++)
2067 memcpy(&dest
->stream
[i
], &src_v4
->stream
[i
],
2068 sizeof(struct snd_soc_tplg_stream
));
2070 for (i
= 0; i
< 2; i
++)
2071 stream_caps_new_ver(&dest
->caps
[i
], &src_v4
->caps
[i
]);
2077 static int soc_tplg_pcm_elems_load(struct soc_tplg
*tplg
,
2078 struct snd_soc_tplg_hdr
*hdr
)
2080 struct snd_soc_tplg_pcm
*pcm
, *_pcm
;
2087 count
= le32_to_cpu(hdr
->count
);
2089 /* check the element size and count */
2090 pcm
= (struct snd_soc_tplg_pcm
*)tplg
->pos
;
2091 size
= le32_to_cpu(pcm
->size
);
2092 if (size
> sizeof(struct snd_soc_tplg_pcm
)
2093 || size
< sizeof(struct snd_soc_tplg_pcm_v4
)) {
2094 dev_err(tplg
->dev
, "ASoC: invalid size %d for PCM elems\n",
2099 if (soc_tplg_check_elem_count(tplg
,
2101 le32_to_cpu(hdr
->payload_size
),
2103 dev_err(tplg
->dev
, "ASoC: invalid count %d for PCM DAI elems\n",
2108 for (i
= 0; i
< count
; i
++) {
2109 pcm
= (struct snd_soc_tplg_pcm
*)tplg
->pos
;
2110 size
= le32_to_cpu(pcm
->size
);
2112 /* check ABI version by size, create a new version of pcm
2115 if (size
== sizeof(*pcm
)) {
2120 ret
= pcm_new_ver(tplg
, pcm
, &_pcm
);
2125 /* create the FE DAIs and DAI links */
2126 ret
= soc_tplg_pcm_create(tplg
, _pcm
);
2133 /* offset by version-specific struct size and
2134 * real priv data size
2136 tplg
->pos
+= size
+ le32_to_cpu(_pcm
->priv
.size
);
2139 kfree(_pcm
); /* free the duplicated one */
2142 dev_dbg(tplg
->dev
, "ASoC: adding %d PCM DAIs\n", count
);
2148 * set_link_hw_format - Set the HW audio format of the physical DAI link.
2149 * @link: &snd_soc_dai_link which should be updated
2150 * @cfg: physical link configs.
2152 * Topology context contains a list of supported HW formats (configs) and
2153 * a default format ID for the physical link. This function will use this
2154 * default ID to choose the HW format to set the link's DAI format for init.
2156 static void set_link_hw_format(struct snd_soc_dai_link
*link
,
2157 struct snd_soc_tplg_link_config
*cfg
)
2159 struct snd_soc_tplg_hw_config
*hw_config
;
2160 unsigned char bclk_master
, fsync_master
;
2161 unsigned char invert_bclk
, invert_fsync
;
2164 for (i
= 0; i
< le32_to_cpu(cfg
->num_hw_configs
); i
++) {
2165 hw_config
= &cfg
->hw_config
[i
];
2166 if (hw_config
->id
!= cfg
->default_hw_config_id
)
2169 link
->dai_fmt
= le32_to_cpu(hw_config
->fmt
) &
2170 SND_SOC_DAIFMT_FORMAT_MASK
;
2173 switch (hw_config
->clock_gated
) {
2174 case SND_SOC_TPLG_DAI_CLK_GATE_GATED
:
2175 link
->dai_fmt
|= SND_SOC_DAIFMT_GATED
;
2178 case SND_SOC_TPLG_DAI_CLK_GATE_CONT
:
2179 link
->dai_fmt
|= SND_SOC_DAIFMT_CONT
;
2183 /* ignore the value */
2187 /* clock signal polarity */
2188 invert_bclk
= hw_config
->invert_bclk
;
2189 invert_fsync
= hw_config
->invert_fsync
;
2190 if (!invert_bclk
&& !invert_fsync
)
2191 link
->dai_fmt
|= SND_SOC_DAIFMT_NB_NF
;
2192 else if (!invert_bclk
&& invert_fsync
)
2193 link
->dai_fmt
|= SND_SOC_DAIFMT_NB_IF
;
2194 else if (invert_bclk
&& !invert_fsync
)
2195 link
->dai_fmt
|= SND_SOC_DAIFMT_IB_NF
;
2197 link
->dai_fmt
|= SND_SOC_DAIFMT_IB_IF
;
2200 bclk_master
= (hw_config
->bclk_master
==
2201 SND_SOC_TPLG_BCLK_CM
);
2202 fsync_master
= (hw_config
->fsync_master
==
2203 SND_SOC_TPLG_FSYNC_CM
);
2204 if (bclk_master
&& fsync_master
)
2205 link
->dai_fmt
|= SND_SOC_DAIFMT_CBM_CFM
;
2206 else if (!bclk_master
&& fsync_master
)
2207 link
->dai_fmt
|= SND_SOC_DAIFMT_CBS_CFM
;
2208 else if (bclk_master
&& !fsync_master
)
2209 link
->dai_fmt
|= SND_SOC_DAIFMT_CBM_CFS
;
2211 link
->dai_fmt
|= SND_SOC_DAIFMT_CBS_CFS
;
2216 * link_new_ver - Create a new physical link config from the old
2217 * version of source.
2218 * @tplg: topology context
2219 * @src: old version of phyical link config as a source
2220 * @link: latest version of physical link config created from the source
2222 * Support from vesion 4. User need free the returned link config manually.
2224 static int link_new_ver(struct soc_tplg
*tplg
,
2225 struct snd_soc_tplg_link_config
*src
,
2226 struct snd_soc_tplg_link_config
**link
)
2228 struct snd_soc_tplg_link_config
*dest
;
2229 struct snd_soc_tplg_link_config_v4
*src_v4
;
2234 if (le32_to_cpu(src
->size
) !=
2235 sizeof(struct snd_soc_tplg_link_config_v4
)) {
2236 dev_err(tplg
->dev
, "ASoC: invalid physical link config size\n");
2240 dev_warn(tplg
->dev
, "ASoC: old version of physical link config\n");
2242 src_v4
= (struct snd_soc_tplg_link_config_v4
*)src
;
2243 dest
= kzalloc(sizeof(*dest
), GFP_KERNEL
);
2247 dest
->size
= cpu_to_le32(sizeof(*dest
));
2248 dest
->id
= src_v4
->id
;
2249 dest
->num_streams
= src_v4
->num_streams
;
2250 for (i
= 0; i
< le32_to_cpu(dest
->num_streams
); i
++)
2251 memcpy(&dest
->stream
[i
], &src_v4
->stream
[i
],
2252 sizeof(struct snd_soc_tplg_stream
));
2259 * snd_soc_find_dai_link - Find a DAI link
2262 * @id: DAI link ID to match
2263 * @name: DAI link name to match, optional
2264 * @stream_name: DAI link stream name to match, optional
2266 * This function will search all existing DAI links of the soc card to
2267 * find the link of the same ID. Since DAI links may not have their
2268 * unique ID, so name and stream name should also match if being
2271 * Return: pointer of DAI link, or NULL if not found.
2273 static struct snd_soc_dai_link
*snd_soc_find_dai_link(struct snd_soc_card
*card
,
2274 int id
, const char *name
,
2275 const char *stream_name
)
2277 struct snd_soc_pcm_runtime
*rtd
;
2278 struct snd_soc_dai_link
*link
;
2280 for_each_card_rtds(card
, rtd
) {
2281 link
= rtd
->dai_link
;
2286 if (name
&& (!link
->name
|| strcmp(name
, link
->name
)))
2289 if (stream_name
&& (!link
->stream_name
2290 || strcmp(stream_name
, link
->stream_name
)))
2299 /* Find and configure an existing physical DAI link */
2300 static int soc_tplg_link_config(struct soc_tplg
*tplg
,
2301 struct snd_soc_tplg_link_config
*cfg
)
2303 struct snd_soc_dai_link
*link
;
2304 const char *name
, *stream_name
;
2308 len
= strnlen(cfg
->name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
);
2309 if (len
== SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
2316 len
= strnlen(cfg
->stream_name
, SNDRV_CTL_ELEM_ID_NAME_MAXLEN
);
2317 if (len
== SNDRV_CTL_ELEM_ID_NAME_MAXLEN
)
2320 stream_name
= cfg
->stream_name
;
2324 link
= snd_soc_find_dai_link(tplg
->comp
->card
, le32_to_cpu(cfg
->id
),
2327 dev_err(tplg
->dev
, "ASoC: physical link %s (id %d) not exist\n",
2333 if (cfg
->num_hw_configs
)
2334 set_link_hw_format(link
, cfg
);
2338 set_link_flags(link
,
2339 le32_to_cpu(cfg
->flag_mask
),
2340 le32_to_cpu(cfg
->flags
));
2342 /* pass control to component driver for optional further init */
2343 ret
= soc_tplg_dai_link_load(tplg
, link
, cfg
);
2345 dev_err(tplg
->dev
, "ASoC: physical link loading failed\n");
2349 /* for unloading it in snd_soc_tplg_component_remove */
2350 link
->dobj
.index
= tplg
->index
;
2351 link
->dobj
.ops
= tplg
->ops
;
2352 link
->dobj
.type
= SND_SOC_DOBJ_BACKEND_LINK
;
2353 list_add(&link
->dobj
.list
, &tplg
->comp
->dobj_list
);
2359 /* Load physical link config elements from the topology context */
2360 static int soc_tplg_link_elems_load(struct soc_tplg
*tplg
,
2361 struct snd_soc_tplg_hdr
*hdr
)
2363 struct snd_soc_tplg_link_config
*link
, *_link
;
2369 count
= le32_to_cpu(hdr
->count
);
2371 /* check the element size and count */
2372 link
= (struct snd_soc_tplg_link_config
*)tplg
->pos
;
2373 size
= le32_to_cpu(link
->size
);
2374 if (size
> sizeof(struct snd_soc_tplg_link_config
)
2375 || size
< sizeof(struct snd_soc_tplg_link_config_v4
)) {
2376 dev_err(tplg
->dev
, "ASoC: invalid size %d for physical link elems\n",
2381 if (soc_tplg_check_elem_count(tplg
,
2383 le32_to_cpu(hdr
->payload_size
),
2384 "physical link config")) {
2385 dev_err(tplg
->dev
, "ASoC: invalid count %d for physical link elems\n",
2390 /* config physical DAI links */
2391 for (i
= 0; i
< count
; i
++) {
2392 link
= (struct snd_soc_tplg_link_config
*)tplg
->pos
;
2393 size
= le32_to_cpu(link
->size
);
2394 if (size
== sizeof(*link
)) {
2399 ret
= link_new_ver(tplg
, link
, &_link
);
2404 ret
= soc_tplg_link_config(tplg
, _link
);
2411 /* offset by version-specific struct size and
2412 * real priv data size
2414 tplg
->pos
+= size
+ le32_to_cpu(_link
->priv
.size
);
2417 kfree(_link
); /* free the duplicated one */
2424 * soc_tplg_dai_config - Find and configure an existing physical DAI.
2425 * @tplg: topology context
2426 * @d: physical DAI configs.
2428 * The physical dai should already be registered by the platform driver.
2429 * The platform driver should specify the DAI name and ID for matching.
2431 static int soc_tplg_dai_config(struct soc_tplg
*tplg
,
2432 struct snd_soc_tplg_dai
*d
)
2434 struct snd_soc_dai_link_component dai_component
;
2435 struct snd_soc_dai
*dai
;
2436 struct snd_soc_dai_driver
*dai_drv
;
2437 struct snd_soc_pcm_stream
*stream
;
2438 struct snd_soc_tplg_stream_caps
*caps
;
2441 memset(&dai_component
, 0, sizeof(dai_component
));
2443 dai_component
.dai_name
= d
->dai_name
;
2444 dai
= snd_soc_find_dai(&dai_component
);
2446 dev_err(tplg
->dev
, "ASoC: physical DAI %s not registered\n",
2451 if (le32_to_cpu(d
->dai_id
) != dai
->id
) {
2452 dev_err(tplg
->dev
, "ASoC: physical DAI %s id mismatch\n",
2457 dai_drv
= dai
->driver
;
2462 stream
= &dai_drv
->playback
;
2463 caps
= &d
->caps
[SND_SOC_TPLG_STREAM_PLAYBACK
];
2464 ret
= set_stream_info(stream
, caps
);
2470 stream
= &dai_drv
->capture
;
2471 caps
= &d
->caps
[SND_SOC_TPLG_STREAM_CAPTURE
];
2472 ret
= set_stream_info(stream
, caps
);
2478 set_dai_flags(dai_drv
,
2479 le32_to_cpu(d
->flag_mask
),
2480 le32_to_cpu(d
->flags
));
2482 /* pass control to component driver for optional further init */
2483 ret
= soc_tplg_dai_load(tplg
, dai_drv
, NULL
, dai
);
2485 dev_err(tplg
->comp
->dev
, "ASoC: DAI loading failed\n");
2492 kfree(dai_drv
->playback
.stream_name
);
2493 kfree(dai_drv
->capture
.stream_name
);
2497 /* load physical DAI elements */
2498 static int soc_tplg_dai_elems_load(struct soc_tplg
*tplg
,
2499 struct snd_soc_tplg_hdr
*hdr
)
2501 struct snd_soc_tplg_dai
*dai
;
2505 count
= le32_to_cpu(hdr
->count
);
2507 /* config the existing BE DAIs */
2508 for (i
= 0; i
< count
; i
++) {
2509 dai
= (struct snd_soc_tplg_dai
*)tplg
->pos
;
2510 if (le32_to_cpu(dai
->size
) != sizeof(*dai
)) {
2511 dev_err(tplg
->dev
, "ASoC: invalid physical DAI size\n");
2515 ret
= soc_tplg_dai_config(tplg
, dai
);
2517 dev_err(tplg
->dev
, "ASoC: failed to configure DAI\n");
2521 tplg
->pos
+= (sizeof(*dai
) + le32_to_cpu(dai
->priv
.size
));
2524 dev_dbg(tplg
->dev
, "ASoC: Configure %d BE DAIs\n", count
);
2529 * manifest_new_ver - Create a new version of manifest from the old version
2531 * @tplg: topology context
2532 * @src: old version of manifest as a source
2533 * @manifest: latest version of manifest created from the source
2535 * Support from vesion 4. Users need free the returned manifest manually.
2537 static int manifest_new_ver(struct soc_tplg
*tplg
,
2538 struct snd_soc_tplg_manifest
*src
,
2539 struct snd_soc_tplg_manifest
**manifest
)
2541 struct snd_soc_tplg_manifest
*dest
;
2542 struct snd_soc_tplg_manifest_v4
*src_v4
;
2547 size
= le32_to_cpu(src
->size
);
2548 if (size
!= sizeof(*src_v4
)) {
2549 dev_warn(tplg
->dev
, "ASoC: invalid manifest size %d\n",
2553 src
->size
= cpu_to_le32(sizeof(*src_v4
));
2556 dev_warn(tplg
->dev
, "ASoC: old version of manifest\n");
2558 src_v4
= (struct snd_soc_tplg_manifest_v4
*)src
;
2559 dest
= kzalloc(sizeof(*dest
) + le32_to_cpu(src_v4
->priv
.size
),
2564 dest
->size
= cpu_to_le32(sizeof(*dest
)); /* size of latest abi version */
2565 dest
->control_elems
= src_v4
->control_elems
;
2566 dest
->widget_elems
= src_v4
->widget_elems
;
2567 dest
->graph_elems
= src_v4
->graph_elems
;
2568 dest
->pcm_elems
= src_v4
->pcm_elems
;
2569 dest
->dai_link_elems
= src_v4
->dai_link_elems
;
2570 dest
->priv
.size
= src_v4
->priv
.size
;
2571 if (dest
->priv
.size
)
2572 memcpy(dest
->priv
.data
, src_v4
->priv
.data
,
2573 le32_to_cpu(src_v4
->priv
.size
));
2579 static int soc_tplg_manifest_load(struct soc_tplg
*tplg
,
2580 struct snd_soc_tplg_hdr
*hdr
)
2582 struct snd_soc_tplg_manifest
*manifest
, *_manifest
;
2586 manifest
= (struct snd_soc_tplg_manifest
*)tplg
->pos
;
2588 /* check ABI version by size, create a new manifest if abi not match */
2589 if (le32_to_cpu(manifest
->size
) == sizeof(*manifest
)) {
2591 _manifest
= manifest
;
2594 ret
= manifest_new_ver(tplg
, manifest
, &_manifest
);
2599 /* pass control to component driver for optional further init */
2600 if (tplg
->ops
&& tplg
->ops
->manifest
)
2601 ret
= tplg
->ops
->manifest(tplg
->comp
, tplg
->index
, _manifest
);
2603 if (!abi_match
) /* free the duplicated one */
2609 /* validate header magic, size and type */
2610 static int soc_valid_header(struct soc_tplg
*tplg
,
2611 struct snd_soc_tplg_hdr
*hdr
)
2613 if (soc_tplg_get_hdr_offset(tplg
) >= tplg
->fw
->size
)
2616 if (le32_to_cpu(hdr
->size
) != sizeof(*hdr
)) {
2618 "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
2619 le32_to_cpu(hdr
->type
), soc_tplg_get_hdr_offset(tplg
),
2624 /* big endian firmware objects not supported atm */
2625 if (le32_to_cpu(hdr
->magic
) == SOC_TPLG_MAGIC_BIG_ENDIAN
) {
2627 "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n",
2628 tplg
->pass
, hdr
->magic
,
2629 soc_tplg_get_hdr_offset(tplg
), tplg
->fw
->size
);
2633 if (le32_to_cpu(hdr
->magic
) != SND_SOC_TPLG_MAGIC
) {
2635 "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n",
2636 tplg
->pass
, hdr
->magic
,
2637 soc_tplg_get_hdr_offset(tplg
), tplg
->fw
->size
);
2641 /* Support ABI from version 4 */
2642 if (le32_to_cpu(hdr
->abi
) > SND_SOC_TPLG_ABI_VERSION
||
2643 le32_to_cpu(hdr
->abi
) < SND_SOC_TPLG_ABI_VERSION_MIN
) {
2645 "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n",
2646 tplg
->pass
, hdr
->abi
,
2647 SND_SOC_TPLG_ABI_VERSION
, soc_tplg_get_hdr_offset(tplg
),
2652 if (hdr
->payload_size
== 0) {
2653 dev_err(tplg
->dev
, "ASoC: header has 0 size at offset 0x%lx.\n",
2654 soc_tplg_get_hdr_offset(tplg
));
2661 /* check header type and call appropriate handler */
2662 static int soc_tplg_load_header(struct soc_tplg
*tplg
,
2663 struct snd_soc_tplg_hdr
*hdr
)
2665 int (*elem_load
)(struct soc_tplg
*tplg
,
2666 struct snd_soc_tplg_hdr
*hdr
);
2667 unsigned int hdr_pass
;
2669 tplg
->pos
= tplg
->hdr_pos
+ sizeof(struct snd_soc_tplg_hdr
);
2671 /* check for matching ID */
2672 if (le32_to_cpu(hdr
->index
) != tplg
->req_index
&&
2673 tplg
->req_index
!= SND_SOC_TPLG_INDEX_ALL
)
2676 tplg
->index
= le32_to_cpu(hdr
->index
);
2678 switch (le32_to_cpu(hdr
->type
)) {
2679 case SND_SOC_TPLG_TYPE_MIXER
:
2680 case SND_SOC_TPLG_TYPE_ENUM
:
2681 case SND_SOC_TPLG_TYPE_BYTES
:
2682 hdr_pass
= SOC_TPLG_PASS_MIXER
;
2683 elem_load
= soc_tplg_kcontrol_elems_load
;
2685 case SND_SOC_TPLG_TYPE_DAPM_GRAPH
:
2686 hdr_pass
= SOC_TPLG_PASS_GRAPH
;
2687 elem_load
= soc_tplg_dapm_graph_elems_load
;
2689 case SND_SOC_TPLG_TYPE_DAPM_WIDGET
:
2690 hdr_pass
= SOC_TPLG_PASS_WIDGET
;
2691 elem_load
= soc_tplg_dapm_widget_elems_load
;
2693 case SND_SOC_TPLG_TYPE_PCM
:
2694 hdr_pass
= SOC_TPLG_PASS_PCM_DAI
;
2695 elem_load
= soc_tplg_pcm_elems_load
;
2697 case SND_SOC_TPLG_TYPE_DAI
:
2698 hdr_pass
= SOC_TPLG_PASS_BE_DAI
;
2699 elem_load
= soc_tplg_dai_elems_load
;
2701 case SND_SOC_TPLG_TYPE_DAI_LINK
:
2702 case SND_SOC_TPLG_TYPE_BACKEND_LINK
:
2703 /* physical link configurations */
2704 hdr_pass
= SOC_TPLG_PASS_LINK
;
2705 elem_load
= soc_tplg_link_elems_load
;
2707 case SND_SOC_TPLG_TYPE_MANIFEST
:
2708 hdr_pass
= SOC_TPLG_PASS_MANIFEST
;
2709 elem_load
= soc_tplg_manifest_load
;
2712 /* bespoke vendor data object */
2713 hdr_pass
= SOC_TPLG_PASS_VENDOR
;
2714 elem_load
= soc_tplg_vendor_load
;
2718 if (tplg
->pass
== hdr_pass
) {
2720 "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n",
2721 hdr
->payload_size
, hdr
->type
, hdr
->version
,
2722 hdr
->vendor_type
, tplg
->pass
);
2723 return elem_load(tplg
, hdr
);
2729 /* process the topology file headers */
2730 static int soc_tplg_process_headers(struct soc_tplg
*tplg
)
2732 struct snd_soc_tplg_hdr
*hdr
;
2735 tplg
->pass
= SOC_TPLG_PASS_START
;
2737 /* process the header types from start to end */
2738 while (tplg
->pass
<= SOC_TPLG_PASS_END
) {
2740 tplg
->hdr_pos
= tplg
->fw
->data
;
2741 hdr
= (struct snd_soc_tplg_hdr
*)tplg
->hdr_pos
;
2743 while (!soc_tplg_is_eof(tplg
)) {
2745 /* make sure header is valid before loading */
2746 ret
= soc_valid_header(tplg
, hdr
);
2749 "ASoC: topology: invalid header: %d\n", ret
);
2751 } else if (ret
== 0) {
2755 /* load the header object */
2756 ret
= soc_tplg_load_header(tplg
, hdr
);
2759 "ASoC: topology: could not load header: %d\n", ret
);
2763 /* goto next header */
2764 tplg
->hdr_pos
+= le32_to_cpu(hdr
->payload_size
) +
2765 sizeof(struct snd_soc_tplg_hdr
);
2766 hdr
= (struct snd_soc_tplg_hdr
*)tplg
->hdr_pos
;
2769 /* next data type pass */
2773 /* signal DAPM we are complete */
2774 ret
= soc_tplg_dapm_complete(tplg
);
2777 "ASoC: failed to initialise DAPM from Firmware\n");
2782 static int soc_tplg_load(struct soc_tplg
*tplg
)
2786 ret
= soc_tplg_process_headers(tplg
);
2788 soc_tplg_complete(tplg
);
2793 /* load audio component topology from "firmware" file */
2794 int snd_soc_tplg_component_load(struct snd_soc_component
*comp
,
2795 struct snd_soc_tplg_ops
*ops
, const struct firmware
*fw
, u32 id
)
2797 struct soc_tplg tplg
;
2800 /* component needs to exist to keep and reference data while parsing */
2804 /* setup parsing context */
2805 memset(&tplg
, 0, sizeof(tplg
));
2807 tplg
.dev
= comp
->dev
;
2810 tplg
.req_index
= id
;
2811 tplg
.io_ops
= ops
->io_ops
;
2812 tplg
.io_ops_count
= ops
->io_ops_count
;
2813 tplg
.bytes_ext_ops
= ops
->bytes_ext_ops
;
2814 tplg
.bytes_ext_ops_count
= ops
->bytes_ext_ops_count
;
2816 ret
= soc_tplg_load(&tplg
);
2817 /* free the created components if fail to load topology */
2819 snd_soc_tplg_component_remove(comp
, SND_SOC_TPLG_INDEX_ALL
);
2823 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load
);
2825 /* remove this dynamic widget */
2826 void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget
*w
)
2828 /* make sure we are a widget */
2829 if (w
->dobj
.type
!= SND_SOC_DOBJ_WIDGET
)
2832 remove_widget(w
->dapm
->component
, &w
->dobj
, SOC_TPLG_PASS_WIDGET
);
2834 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove
);
2836 /* remove all dynamic widgets from this DAPM context */
2837 void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context
*dapm
,
2840 struct snd_soc_dapm_widget
*w
, *next_w
;
2842 for_each_card_widgets_safe(dapm
->card
, w
, next_w
) {
2844 /* make sure we are a widget with correct context */
2845 if (w
->dobj
.type
!= SND_SOC_DOBJ_WIDGET
|| w
->dapm
!= dapm
)
2849 if (w
->dobj
.index
!= index
&&
2850 w
->dobj
.index
!= SND_SOC_TPLG_INDEX_ALL
)
2852 /* check and free and dynamic widget kcontrols */
2853 snd_soc_tplg_widget_remove(w
);
2854 snd_soc_dapm_free_widget(w
);
2856 snd_soc_dapm_reset_cache(dapm
);
2858 EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all
);
2860 /* remove dynamic controls from the component driver */
2861 int snd_soc_tplg_component_remove(struct snd_soc_component
*comp
, u32 index
)
2863 struct snd_soc_dobj
*dobj
, *next_dobj
;
2864 int pass
= SOC_TPLG_PASS_END
;
2866 /* process the header types from end to start */
2867 while (pass
>= SOC_TPLG_PASS_START
) {
2869 /* remove mixer controls */
2870 list_for_each_entry_safe(dobj
, next_dobj
, &comp
->dobj_list
,
2874 if (dobj
->index
!= index
&&
2875 index
!= SND_SOC_TPLG_INDEX_ALL
)
2878 switch (dobj
->type
) {
2879 case SND_SOC_DOBJ_MIXER
:
2880 remove_mixer(comp
, dobj
, pass
);
2882 case SND_SOC_DOBJ_ENUM
:
2883 remove_enum(comp
, dobj
, pass
);
2885 case SND_SOC_DOBJ_BYTES
:
2886 remove_bytes(comp
, dobj
, pass
);
2888 case SND_SOC_DOBJ_GRAPH
:
2889 remove_route(comp
, dobj
, pass
);
2891 case SND_SOC_DOBJ_WIDGET
:
2892 remove_widget(comp
, dobj
, pass
);
2894 case SND_SOC_DOBJ_PCM
:
2895 remove_dai(comp
, dobj
, pass
);
2897 case SND_SOC_DOBJ_DAI_LINK
:
2898 remove_link(comp
, dobj
, pass
);
2900 case SND_SOC_DOBJ_BACKEND_LINK
:
2902 * call link_unload ops if extra
2903 * deinitialization is needed.
2905 remove_backend_link(comp
, dobj
, pass
);
2908 dev_err(comp
->dev
, "ASoC: invalid component type %d for removal\n",
2916 /* let caller know if FW can be freed when no objects are left */
2917 return !list_empty(&comp
->dobj_list
);
2919 EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove
);