1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // |
3 | // soc-topology.c -- ALSA SoC Topology |
4 | // |
5 | // Copyright (C) 2012 Texas Instruments Inc. |
6 | // Copyright (C) 2015 Intel Corporation. |
7 | // |
8 | // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com> |
9 | // K, Mythri P <mythri.p.k@intel.com> |
10 | // Prusty, Subhransu S <subhransu.s.prusty@intel.com> |
11 | // B, Jayachandran <jayachandran.b@intel.com> |
12 | // Abdullah, Omair M <omair.m.abdullah@intel.com> |
13 | // Jin, Yao <yao.jin@intel.com> |
14 | // Lin, Mengdong <mengdong.lin@intel.com> |
15 | // |
16 | // Add support to read audio firmware topology alongside firmware text. The |
17 | // topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links, |
18 | // equalizers, firmware, coefficients etc. |
19 | // |
20 | // This file only manages the core ALSA and ASoC components, all other bespoke |
21 | // firmware topology data is passed to component drivers for bespoke handling. |
22 | |
23 | #include <linux/kernel.h> |
24 | #include <linux/export.h> |
25 | #include <linux/list.h> |
26 | #include <linux/firmware.h> |
27 | #include <linux/slab.h> |
28 | #include <sound/soc.h> |
29 | #include <sound/soc-dapm.h> |
30 | #include <sound/soc-topology.h> |
31 | #include <sound/tlv.h> |
32 | |
33 | #define SOC_TPLG_MAGIC_BIG_ENDIAN 0x436F5341 /* ASoC in reverse */ |
34 | |
35 | /* |
36 | * We make several passes over the data (since it wont necessarily be ordered) |
37 | * and process objects in the following order. This guarantees the component |
38 | * drivers will be ready with any vendor data before the mixers and DAPM objects |
39 | * are loaded (that may make use of the vendor data). |
40 | */ |
41 | #define SOC_TPLG_PASS_MANIFEST 0 |
42 | #define SOC_TPLG_PASS_VENDOR 1 |
43 | #define SOC_TPLG_PASS_CONTROL 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_BE_DAI 6 |
48 | #define SOC_TPLG_PASS_LINK 7 |
49 | |
50 | #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST |
51 | #define SOC_TPLG_PASS_END SOC_TPLG_PASS_LINK |
52 | |
53 | /* topology context */ |
54 | struct soc_tplg { |
55 | const struct firmware *fw; |
56 | |
57 | /* runtime FW parsing */ |
58 | const u8 *pos; /* read position */ |
59 | const u8 *hdr_pos; /* header position */ |
60 | unsigned int pass; /* pass number */ |
61 | |
62 | /* component caller */ |
63 | struct device *dev; |
64 | struct snd_soc_component *comp; |
65 | u32 index; /* current block index */ |
66 | |
67 | /* vendor specific kcontrol operations */ |
68 | const struct snd_soc_tplg_kcontrol_ops *io_ops; |
69 | int io_ops_count; |
70 | |
71 | /* vendor specific bytes ext handlers, for TLV bytes controls */ |
72 | const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops; |
73 | int bytes_ext_ops_count; |
74 | |
75 | /* optional fw loading callbacks to component drivers */ |
76 | struct snd_soc_tplg_ops *ops; |
77 | }; |
78 | |
79 | /* check we dont overflow the data for this control chunk */ |
80 | static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size, |
81 | unsigned int count, size_t bytes, const char *elem_type) |
82 | { |
83 | const u8 *end = tplg->pos + elem_size * count; |
84 | |
85 | if (end > tplg->fw->data + tplg->fw->size) { |
86 | dev_err(tplg->dev, "ASoC: %s overflow end of data\n" , |
87 | elem_type); |
88 | return -EINVAL; |
89 | } |
90 | |
91 | /* check there is enough room in chunk for control. |
92 | extra bytes at the end of control are for vendor data here */ |
93 | if (elem_size * count > bytes) { |
94 | dev_err(tplg->dev, |
95 | "ASoC: %s count %d of size %zu is bigger than chunk %zu\n" , |
96 | elem_type, count, elem_size, bytes); |
97 | return -EINVAL; |
98 | } |
99 | |
100 | return 0; |
101 | } |
102 | |
103 | static inline bool soc_tplg_is_eof(struct soc_tplg *tplg) |
104 | { |
105 | const u8 *end = tplg->hdr_pos; |
106 | |
107 | if (end >= tplg->fw->data + tplg->fw->size) |
108 | return true; |
109 | return false; |
110 | } |
111 | |
112 | static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg) |
113 | { |
114 | return (unsigned long)(tplg->hdr_pos - tplg->fw->data); |
115 | } |
116 | |
117 | static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg) |
118 | { |
119 | return (unsigned long)(tplg->pos - tplg->fw->data); |
120 | } |
121 | |
122 | /* mapping of Kcontrol types and associated operations. */ |
123 | static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { |
124 | {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw, |
125 | snd_soc_put_volsw, snd_soc_info_volsw}, |
126 | {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx, |
127 | snd_soc_put_volsw_sx, NULL}, |
128 | {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double, |
129 | snd_soc_put_enum_double, snd_soc_info_enum_double}, |
130 | {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double, |
131 | snd_soc_put_enum_double, NULL}, |
132 | {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get, |
133 | snd_soc_bytes_put, snd_soc_bytes_info}, |
134 | {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range, |
135 | snd_soc_put_volsw_range, snd_soc_info_volsw_range}, |
136 | {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx, |
137 | snd_soc_put_xr_sx, snd_soc_info_xr_sx}, |
138 | {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, |
139 | snd_soc_put_strobe, NULL}, |
140 | {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, |
141 | snd_soc_dapm_put_volsw, snd_soc_info_volsw}, |
142 | {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, |
143 | snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, |
144 | {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, |
145 | snd_soc_dapm_put_enum_double, NULL}, |
146 | {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double, |
147 | snd_soc_dapm_put_enum_double, NULL}, |
148 | {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch, |
149 | snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch}, |
150 | }; |
151 | |
152 | struct soc_tplg_map { |
153 | int uid; |
154 | int kid; |
155 | }; |
156 | |
157 | /* mapping of widget types from UAPI IDs to kernel IDs */ |
158 | static const struct soc_tplg_map dapm_map[] = { |
159 | {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input}, |
160 | {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output}, |
161 | {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux}, |
162 | {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer}, |
163 | {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga}, |
164 | {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv}, |
165 | {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc}, |
166 | {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac}, |
167 | {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch}, |
168 | {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre}, |
169 | {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post}, |
170 | {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in}, |
171 | {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out}, |
172 | {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in}, |
173 | {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out}, |
174 | {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link}, |
175 | {SND_SOC_TPLG_DAPM_BUFFER, snd_soc_dapm_buffer}, |
176 | {SND_SOC_TPLG_DAPM_SCHEDULER, snd_soc_dapm_scheduler}, |
177 | {SND_SOC_TPLG_DAPM_EFFECT, snd_soc_dapm_effect}, |
178 | {SND_SOC_TPLG_DAPM_SIGGEN, snd_soc_dapm_siggen}, |
179 | {SND_SOC_TPLG_DAPM_SRC, snd_soc_dapm_src}, |
180 | {SND_SOC_TPLG_DAPM_ASRC, snd_soc_dapm_asrc}, |
181 | {SND_SOC_TPLG_DAPM_ENCODER, snd_soc_dapm_encoder}, |
182 | {SND_SOC_TPLG_DAPM_DECODER, snd_soc_dapm_decoder}, |
183 | }; |
184 | |
185 | static int tplg_chan_get_reg(struct soc_tplg *tplg, |
186 | struct snd_soc_tplg_channel *chan, int map) |
187 | { |
188 | int i; |
189 | |
190 | for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { |
191 | if (le32_to_cpu(chan[i].id) == map) |
192 | return le32_to_cpu(chan[i].reg); |
193 | } |
194 | |
195 | return -EINVAL; |
196 | } |
197 | |
198 | static int tplg_chan_get_shift(struct soc_tplg *tplg, |
199 | struct snd_soc_tplg_channel *chan, int map) |
200 | { |
201 | int i; |
202 | |
203 | for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { |
204 | if (le32_to_cpu(chan[i].id) == map) |
205 | return le32_to_cpu(chan[i].shift); |
206 | } |
207 | |
208 | return -EINVAL; |
209 | } |
210 | |
211 | static int get_widget_id(int tplg_type) |
212 | { |
213 | int i; |
214 | |
215 | for (i = 0; i < ARRAY_SIZE(dapm_map); i++) { |
216 | if (tplg_type == dapm_map[i].uid) |
217 | return dapm_map[i].kid; |
218 | } |
219 | |
220 | return -EINVAL; |
221 | } |
222 | |
223 | static inline void soc_bind_err(struct soc_tplg *tplg, |
224 | struct snd_soc_tplg_ctl_hdr *hdr, int index) |
225 | { |
226 | dev_err(tplg->dev, |
227 | "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n" , |
228 | hdr->ops.get, hdr->ops.put, hdr->ops.info, index, |
229 | soc_tplg_get_offset(tplg)); |
230 | } |
231 | |
232 | static inline void soc_control_err(struct soc_tplg *tplg, |
233 | struct snd_soc_tplg_ctl_hdr *hdr, const char *name) |
234 | { |
235 | dev_err(tplg->dev, |
236 | "ASoC: no complete control IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n" , |
237 | name, hdr->ops.get, hdr->ops.put, hdr->ops.info, |
238 | soc_tplg_get_offset(tplg)); |
239 | } |
240 | |
241 | /* pass vendor data to component driver for processing */ |
242 | static int soc_tplg_vendor_load(struct soc_tplg *tplg, |
243 | struct snd_soc_tplg_hdr *hdr) |
244 | { |
245 | int ret = 0; |
246 | |
247 | if (tplg->ops && tplg->ops->vendor_load) |
248 | ret = tplg->ops->vendor_load(tplg->comp, tplg->index, hdr); |
249 | else { |
250 | dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n" , |
251 | hdr->vendor_type); |
252 | return -EINVAL; |
253 | } |
254 | |
255 | if (ret < 0) |
256 | dev_err(tplg->dev, |
257 | "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n" , |
258 | soc_tplg_get_hdr_offset(tplg), |
259 | soc_tplg_get_hdr_offset(tplg), |
260 | hdr->type, hdr->vendor_type); |
261 | return ret; |
262 | } |
263 | |
264 | /* optionally pass new dynamic widget to component driver. This is mainly for |
265 | * external widgets where we can assign private data/ops */ |
266 | static int soc_tplg_widget_load(struct soc_tplg *tplg, |
267 | struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) |
268 | { |
269 | if (tplg->ops && tplg->ops->widget_load) |
270 | return tplg->ops->widget_load(tplg->comp, tplg->index, w, |
271 | tplg_w); |
272 | |
273 | return 0; |
274 | } |
275 | |
276 | /* optionally pass new dynamic widget to component driver. This is mainly for |
277 | * external widgets where we can assign private data/ops */ |
278 | static int soc_tplg_widget_ready(struct soc_tplg *tplg, |
279 | struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) |
280 | { |
281 | if (tplg->ops && tplg->ops->widget_ready) |
282 | return tplg->ops->widget_ready(tplg->comp, tplg->index, w, |
283 | tplg_w); |
284 | |
285 | return 0; |
286 | } |
287 | |
288 | /* pass DAI configurations to component driver for extra initialization */ |
289 | static int soc_tplg_dai_load(struct soc_tplg *tplg, |
290 | struct snd_soc_dai_driver *dai_drv, |
291 | struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai) |
292 | { |
293 | if (tplg->ops && tplg->ops->dai_load) |
294 | return tplg->ops->dai_load(tplg->comp, tplg->index, dai_drv, |
295 | pcm, dai); |
296 | |
297 | return 0; |
298 | } |
299 | |
300 | /* pass link configurations to component driver for extra initialization */ |
301 | static int soc_tplg_dai_link_load(struct soc_tplg *tplg, |
302 | struct snd_soc_dai_link *link, struct snd_soc_tplg_link_config *cfg) |
303 | { |
304 | if (tplg->ops && tplg->ops->link_load) |
305 | return tplg->ops->link_load(tplg->comp, tplg->index, link, cfg); |
306 | |
307 | return 0; |
308 | } |
309 | |
310 | /* tell the component driver that all firmware has been loaded in this request */ |
311 | static int soc_tplg_complete(struct soc_tplg *tplg) |
312 | { |
313 | if (tplg->ops && tplg->ops->complete) |
314 | return tplg->ops->complete(tplg->comp); |
315 | |
316 | return 0; |
317 | } |
318 | |
319 | /* add a dynamic kcontrol */ |
320 | static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev, |
321 | const struct snd_kcontrol_new *control_new, const char *prefix, |
322 | void *data, struct snd_kcontrol **kcontrol) |
323 | { |
324 | int err; |
325 | |
326 | *kcontrol = snd_soc_cnew(template: control_new, data, long_name: control_new->name, prefix); |
327 | if (*kcontrol == NULL) { |
328 | dev_err(dev, "ASoC: Failed to create new kcontrol %s\n" , |
329 | control_new->name); |
330 | return -ENOMEM; |
331 | } |
332 | |
333 | err = snd_ctl_add(card, kcontrol: *kcontrol); |
334 | if (err < 0) { |
335 | dev_err(dev, "ASoC: Failed to add %s: %d\n" , |
336 | control_new->name, err); |
337 | return err; |
338 | } |
339 | |
340 | return 0; |
341 | } |
342 | |
343 | /* add a dynamic kcontrol for component driver */ |
344 | static int soc_tplg_add_kcontrol(struct soc_tplg *tplg, |
345 | struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol) |
346 | { |
347 | struct snd_soc_component *comp = tplg->comp; |
348 | |
349 | return soc_tplg_add_dcontrol(card: comp->card->snd_card, |
350 | dev: tplg->dev, control_new: k, prefix: comp->name_prefix, data: comp, kcontrol); |
351 | } |
352 | |
353 | /* remove kcontrol */ |
354 | static void soc_tplg_remove_kcontrol(struct snd_soc_component *comp, struct snd_soc_dobj *dobj, |
355 | int pass) |
356 | { |
357 | struct snd_card *card = comp->card->snd_card; |
358 | |
359 | if (pass != SOC_TPLG_PASS_CONTROL) |
360 | return; |
361 | |
362 | if (dobj->unload) |
363 | dobj->unload(comp, dobj); |
364 | |
365 | snd_ctl_remove(card, kcontrol: dobj->control.kcontrol); |
366 | list_del(entry: &dobj->list); |
367 | } |
368 | |
369 | /* remove a route */ |
370 | static void soc_tplg_remove_route(struct snd_soc_component *comp, |
371 | struct snd_soc_dobj *dobj, int pass) |
372 | { |
373 | if (pass != SOC_TPLG_PASS_GRAPH) |
374 | return; |
375 | |
376 | if (dobj->unload) |
377 | dobj->unload(comp, dobj); |
378 | |
379 | list_del(entry: &dobj->list); |
380 | } |
381 | |
382 | /* remove a widget and it's kcontrols - routes must be removed first */ |
383 | static void soc_tplg_remove_widget(struct snd_soc_component *comp, |
384 | struct snd_soc_dobj *dobj, int pass) |
385 | { |
386 | struct snd_card *card = comp->card->snd_card; |
387 | struct snd_soc_dapm_widget *w = |
388 | container_of(dobj, struct snd_soc_dapm_widget, dobj); |
389 | int i; |
390 | |
391 | if (pass != SOC_TPLG_PASS_WIDGET) |
392 | return; |
393 | |
394 | if (dobj->unload) |
395 | dobj->unload(comp, dobj); |
396 | |
397 | if (!w->kcontrols) |
398 | goto free_news; |
399 | |
400 | for (i = 0; w->kcontrols && i < w->num_kcontrols; i++) |
401 | snd_ctl_remove(card, kcontrol: w->kcontrols[i]); |
402 | |
403 | free_news: |
404 | |
405 | list_del(entry: &dobj->list); |
406 | |
407 | /* widget w is freed by soc-dapm.c */ |
408 | } |
409 | |
410 | /* remove DAI configurations */ |
411 | static void soc_tplg_remove_dai(struct snd_soc_component *comp, |
412 | struct snd_soc_dobj *dobj, int pass) |
413 | { |
414 | struct snd_soc_dai_driver *dai_drv = |
415 | container_of(dobj, struct snd_soc_dai_driver, dobj); |
416 | struct snd_soc_dai *dai, *_dai; |
417 | |
418 | if (pass != SOC_TPLG_PASS_PCM_DAI) |
419 | return; |
420 | |
421 | if (dobj->unload) |
422 | dobj->unload(comp, dobj); |
423 | |
424 | for_each_component_dais_safe(comp, dai, _dai) |
425 | if (dai->driver == dai_drv) |
426 | snd_soc_unregister_dai(dai); |
427 | |
428 | list_del(entry: &dobj->list); |
429 | } |
430 | |
431 | /* remove link configurations */ |
432 | static void soc_tplg_remove_link(struct snd_soc_component *comp, |
433 | struct snd_soc_dobj *dobj, int pass) |
434 | { |
435 | struct snd_soc_dai_link *link = |
436 | container_of(dobj, struct snd_soc_dai_link, dobj); |
437 | |
438 | if (pass != SOC_TPLG_PASS_PCM_DAI) |
439 | return; |
440 | |
441 | if (dobj->unload) |
442 | dobj->unload(comp, dobj); |
443 | |
444 | list_del(entry: &dobj->list); |
445 | snd_soc_remove_pcm_runtime(card: comp->card, |
446 | rtd: snd_soc_get_pcm_runtime(card: comp->card, dai_link: link)); |
447 | } |
448 | |
449 | /* unload dai link */ |
450 | static void remove_backend_link(struct snd_soc_component *comp, |
451 | struct snd_soc_dobj *dobj, int pass) |
452 | { |
453 | if (pass != SOC_TPLG_PASS_LINK) |
454 | return; |
455 | |
456 | if (dobj->unload) |
457 | dobj->unload(comp, dobj); |
458 | |
459 | /* |
460 | * We don't free the link here as what soc_tplg_remove_link() do since BE |
461 | * links are not allocated by topology. |
462 | * We however need to reset the dobj type to its initial values |
463 | */ |
464 | dobj->type = SND_SOC_DOBJ_NONE; |
465 | list_del(entry: &dobj->list); |
466 | } |
467 | |
468 | /* bind a kcontrol to it's IO handlers */ |
469 | static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, |
470 | struct snd_kcontrol_new *k, |
471 | const struct soc_tplg *tplg) |
472 | { |
473 | const struct snd_soc_tplg_kcontrol_ops *ops; |
474 | const struct snd_soc_tplg_bytes_ext_ops *ext_ops; |
475 | int num_ops, i; |
476 | |
477 | if (le32_to_cpu(hdr->ops.info) == SND_SOC_TPLG_CTL_BYTES |
478 | && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER |
479 | && (k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ |
480 | || k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) |
481 | && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { |
482 | struct soc_bytes_ext *sbe; |
483 | struct snd_soc_tplg_bytes_control *be; |
484 | |
485 | sbe = (struct soc_bytes_ext *)k->private_value; |
486 | be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); |
487 | |
488 | /* TLV bytes controls need standard kcontrol info handler, |
489 | * TLV callback and extended put/get handlers. |
490 | */ |
491 | k->info = snd_soc_bytes_info_ext; |
492 | k->tlv.c = snd_soc_bytes_tlv_callback; |
493 | |
494 | /* |
495 | * When a topology-based implementation abuses the |
496 | * control interface and uses bytes_ext controls of |
497 | * more than 512 bytes, we need to disable the size |
498 | * checks, otherwise accesses to such controls will |
499 | * return an -EINVAL error and prevent the card from |
500 | * being configured. |
501 | */ |
502 | if (sbe->max > 512) |
503 | k->access |= SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK; |
504 | |
505 | ext_ops = tplg->bytes_ext_ops; |
506 | num_ops = tplg->bytes_ext_ops_count; |
507 | for (i = 0; i < num_ops; i++) { |
508 | if (!sbe->put && |
509 | ext_ops[i].id == le32_to_cpu(be->ext_ops.put)) |
510 | sbe->put = ext_ops[i].put; |
511 | if (!sbe->get && |
512 | ext_ops[i].id == le32_to_cpu(be->ext_ops.get)) |
513 | sbe->get = ext_ops[i].get; |
514 | } |
515 | |
516 | if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) && !sbe->get) |
517 | return -EINVAL; |
518 | if ((k->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) && !sbe->put) |
519 | return -EINVAL; |
520 | return 0; |
521 | } |
522 | |
523 | /* try and map vendor specific kcontrol handlers first */ |
524 | ops = tplg->io_ops; |
525 | num_ops = tplg->io_ops_count; |
526 | for (i = 0; i < num_ops; i++) { |
527 | |
528 | if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put)) |
529 | k->put = ops[i].put; |
530 | if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get)) |
531 | k->get = ops[i].get; |
532 | if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info)) |
533 | k->info = ops[i].info; |
534 | } |
535 | |
536 | /* vendor specific handlers found ? */ |
537 | if (k->put && k->get && k->info) |
538 | return 0; |
539 | |
540 | /* none found so try standard kcontrol handlers */ |
541 | ops = io_ops; |
542 | num_ops = ARRAY_SIZE(io_ops); |
543 | for (i = 0; i < num_ops; i++) { |
544 | |
545 | if (k->put == NULL && ops[i].id == le32_to_cpu(hdr->ops.put)) |
546 | k->put = ops[i].put; |
547 | if (k->get == NULL && ops[i].id == le32_to_cpu(hdr->ops.get)) |
548 | k->get = ops[i].get; |
549 | if (k->info == NULL && ops[i].id == le32_to_cpu(hdr->ops.info)) |
550 | k->info = ops[i].info; |
551 | } |
552 | |
553 | /* standard handlers found ? */ |
554 | if (k->put && k->get && k->info) |
555 | return 0; |
556 | |
557 | /* nothing to bind */ |
558 | return -EINVAL; |
559 | } |
560 | |
561 | /* bind a widgets to it's evnt handlers */ |
562 | int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, |
563 | const struct snd_soc_tplg_widget_events *events, |
564 | int num_events, u16 event_type) |
565 | { |
566 | int i; |
567 | |
568 | w->event = NULL; |
569 | |
570 | for (i = 0; i < num_events; i++) { |
571 | if (event_type == events[i].type) { |
572 | |
573 | /* found - so assign event */ |
574 | w->event = events[i].event_handler; |
575 | return 0; |
576 | } |
577 | } |
578 | |
579 | /* not found */ |
580 | return -EINVAL; |
581 | } |
582 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event); |
583 | |
584 | /* optionally pass new dynamic kcontrol to component driver. */ |
585 | static int soc_tplg_control_load(struct soc_tplg *tplg, |
586 | struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr) |
587 | { |
588 | int ret = 0; |
589 | |
590 | if (tplg->ops && tplg->ops->control_load) |
591 | ret = tplg->ops->control_load(tplg->comp, tplg->index, k, hdr); |
592 | |
593 | if (ret) |
594 | dev_err(tplg->dev, "ASoC: failed to init %s\n" , hdr->name); |
595 | |
596 | return ret; |
597 | } |
598 | |
599 | |
600 | static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg, |
601 | struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale) |
602 | { |
603 | unsigned int item_len = 2 * sizeof(unsigned int); |
604 | unsigned int *p; |
605 | |
606 | p = devm_kzalloc(dev: tplg->dev, size: item_len + 2 * sizeof(unsigned int), GFP_KERNEL); |
607 | if (!p) |
608 | return -ENOMEM; |
609 | |
610 | p[0] = SNDRV_CTL_TLVT_DB_SCALE; |
611 | p[1] = item_len; |
612 | p[2] = le32_to_cpu(scale->min); |
613 | p[3] = (le32_to_cpu(scale->step) & TLV_DB_SCALE_MASK) |
614 | | (le32_to_cpu(scale->mute) ? TLV_DB_SCALE_MUTE : 0); |
615 | |
616 | kc->tlv.p = (void *)p; |
617 | return 0; |
618 | } |
619 | |
620 | static int soc_tplg_create_tlv(struct soc_tplg *tplg, |
621 | struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc) |
622 | { |
623 | struct snd_soc_tplg_ctl_tlv *tplg_tlv; |
624 | u32 access = le32_to_cpu(tc->access); |
625 | |
626 | if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) |
627 | return 0; |
628 | |
629 | if (!(access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { |
630 | tplg_tlv = &tc->tlv; |
631 | switch (le32_to_cpu(tplg_tlv->type)) { |
632 | case SNDRV_CTL_TLVT_DB_SCALE: |
633 | return soc_tplg_create_tlv_db_scale(tplg, kc, |
634 | scale: &tplg_tlv->scale); |
635 | |
636 | /* TODO: add support for other TLV types */ |
637 | default: |
638 | dev_dbg(tplg->dev, "Unsupported TLV type %d\n" , |
639 | tplg_tlv->type); |
640 | return -EINVAL; |
641 | } |
642 | } |
643 | |
644 | return 0; |
645 | } |
646 | |
647 | static int soc_tplg_dbytes_create(struct soc_tplg *tplg, size_t size) |
648 | { |
649 | struct snd_soc_tplg_bytes_control *be; |
650 | struct soc_bytes_ext *sbe; |
651 | struct snd_kcontrol_new kc; |
652 | int ret = 0; |
653 | |
654 | if (soc_tplg_check_elem_count(tplg, |
655 | elem_size: sizeof(struct snd_soc_tplg_bytes_control), |
656 | count: 1, bytes: size, elem_type: "mixer bytes" )) |
657 | return -EINVAL; |
658 | |
659 | be = (struct snd_soc_tplg_bytes_control *)tplg->pos; |
660 | |
661 | /* validate kcontrol */ |
662 | if (strnlen(p: be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
663 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
664 | return -EINVAL; |
665 | |
666 | sbe = devm_kzalloc(dev: tplg->dev, size: sizeof(*sbe), GFP_KERNEL); |
667 | if (sbe == NULL) |
668 | return -ENOMEM; |
669 | |
670 | tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + |
671 | le32_to_cpu(be->priv.size)); |
672 | |
673 | dev_dbg(tplg->dev, |
674 | "ASoC: adding bytes kcontrol %s with access 0x%x\n" , |
675 | be->hdr.name, be->hdr.access); |
676 | |
677 | memset(&kc, 0, sizeof(kc)); |
678 | kc.name = be->hdr.name; |
679 | kc.private_value = (long)sbe; |
680 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
681 | kc.access = le32_to_cpu(be->hdr.access); |
682 | |
683 | sbe->max = le32_to_cpu(be->max); |
684 | sbe->dobj.type = SND_SOC_DOBJ_BYTES; |
685 | if (tplg->ops) |
686 | sbe->dobj.unload = tplg->ops->control_unload; |
687 | INIT_LIST_HEAD(list: &sbe->dobj.list); |
688 | |
689 | /* map io handlers */ |
690 | ret = soc_tplg_kcontrol_bind_io(hdr: &be->hdr, k: &kc, tplg); |
691 | if (ret) { |
692 | soc_control_err(tplg, hdr: &be->hdr, name: be->hdr.name); |
693 | goto err; |
694 | } |
695 | |
696 | /* pass control to driver for optional further init */ |
697 | ret = soc_tplg_control_load(tplg, k: &kc, hdr: &be->hdr); |
698 | if (ret < 0) |
699 | goto err; |
700 | |
701 | /* register control here */ |
702 | ret = soc_tplg_add_kcontrol(tplg, k: &kc, kcontrol: &sbe->dobj.control.kcontrol); |
703 | if (ret < 0) |
704 | goto err; |
705 | |
706 | list_add(new: &sbe->dobj.list, head: &tplg->comp->dobj_list); |
707 | |
708 | err: |
709 | return ret; |
710 | } |
711 | |
712 | static int soc_tplg_dmixer_create(struct soc_tplg *tplg, size_t size) |
713 | { |
714 | struct snd_soc_tplg_mixer_control *mc; |
715 | struct soc_mixer_control *sm; |
716 | struct snd_kcontrol_new kc; |
717 | int ret = 0; |
718 | |
719 | if (soc_tplg_check_elem_count(tplg, |
720 | elem_size: sizeof(struct snd_soc_tplg_mixer_control), |
721 | count: 1, bytes: size, elem_type: "mixers" )) |
722 | return -EINVAL; |
723 | |
724 | mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; |
725 | |
726 | /* validate kcontrol */ |
727 | if (strnlen(p: mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
728 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
729 | return -EINVAL; |
730 | |
731 | sm = devm_kzalloc(dev: tplg->dev, size: sizeof(*sm), GFP_KERNEL); |
732 | if (sm == NULL) |
733 | return -ENOMEM; |
734 | tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + |
735 | le32_to_cpu(mc->priv.size)); |
736 | |
737 | dev_dbg(tplg->dev, |
738 | "ASoC: adding mixer kcontrol %s with access 0x%x\n" , |
739 | mc->hdr.name, mc->hdr.access); |
740 | |
741 | memset(&kc, 0, sizeof(kc)); |
742 | kc.name = mc->hdr.name; |
743 | kc.private_value = (long)sm; |
744 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
745 | kc.access = le32_to_cpu(mc->hdr.access); |
746 | |
747 | /* we only support FL/FR channel mapping atm */ |
748 | sm->reg = tplg_chan_get_reg(tplg, chan: mc->channel, map: SNDRV_CHMAP_FL); |
749 | sm->rreg = tplg_chan_get_reg(tplg, chan: mc->channel, map: SNDRV_CHMAP_FR); |
750 | sm->shift = tplg_chan_get_shift(tplg, chan: mc->channel, map: SNDRV_CHMAP_FL); |
751 | sm->rshift = tplg_chan_get_shift(tplg, chan: mc->channel, map: SNDRV_CHMAP_FR); |
752 | |
753 | sm->max = le32_to_cpu(mc->max); |
754 | sm->min = le32_to_cpu(mc->min); |
755 | sm->invert = le32_to_cpu(mc->invert); |
756 | sm->platform_max = le32_to_cpu(mc->platform_max); |
757 | sm->dobj.index = tplg->index; |
758 | sm->dobj.type = SND_SOC_DOBJ_MIXER; |
759 | if (tplg->ops) |
760 | sm->dobj.unload = tplg->ops->control_unload; |
761 | INIT_LIST_HEAD(list: &sm->dobj.list); |
762 | |
763 | /* map io handlers */ |
764 | ret = soc_tplg_kcontrol_bind_io(hdr: &mc->hdr, k: &kc, tplg); |
765 | if (ret) { |
766 | soc_control_err(tplg, hdr: &mc->hdr, name: mc->hdr.name); |
767 | goto err; |
768 | } |
769 | |
770 | /* create any TLV data */ |
771 | ret = soc_tplg_create_tlv(tplg, kc: &kc, tc: &mc->hdr); |
772 | if (ret < 0) { |
773 | dev_err(tplg->dev, "ASoC: failed to create TLV %s\n" , mc->hdr.name); |
774 | goto err; |
775 | } |
776 | |
777 | /* pass control to driver for optional further init */ |
778 | ret = soc_tplg_control_load(tplg, k: &kc, hdr: &mc->hdr); |
779 | if (ret < 0) |
780 | goto err; |
781 | |
782 | /* register control here */ |
783 | ret = soc_tplg_add_kcontrol(tplg, k: &kc, kcontrol: &sm->dobj.control.kcontrol); |
784 | if (ret < 0) |
785 | goto err; |
786 | |
787 | list_add(new: &sm->dobj.list, head: &tplg->comp->dobj_list); |
788 | |
789 | err: |
790 | return ret; |
791 | } |
792 | |
793 | static int soc_tplg_denum_create_texts(struct soc_tplg *tplg, struct soc_enum *se, |
794 | struct snd_soc_tplg_enum_control *ec) |
795 | { |
796 | int i, ret; |
797 | |
798 | if (le32_to_cpu(ec->items) > ARRAY_SIZE(ec->texts)) |
799 | return -EINVAL; |
800 | |
801 | se->dobj.control.dtexts = |
802 | devm_kcalloc(dev: tplg->dev, le32_to_cpu(ec->items), size: sizeof(char *), GFP_KERNEL); |
803 | if (se->dobj.control.dtexts == NULL) |
804 | return -ENOMEM; |
805 | |
806 | for (i = 0; i < le32_to_cpu(ec->items); i++) { |
807 | |
808 | if (strnlen(p: ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
809 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
810 | ret = -EINVAL; |
811 | goto err; |
812 | } |
813 | |
814 | se->dobj.control.dtexts[i] = devm_kstrdup(dev: tplg->dev, s: ec->texts[i], GFP_KERNEL); |
815 | if (!se->dobj.control.dtexts[i]) { |
816 | ret = -ENOMEM; |
817 | goto err; |
818 | } |
819 | } |
820 | |
821 | se->items = le32_to_cpu(ec->items); |
822 | se->texts = (const char * const *)se->dobj.control.dtexts; |
823 | return 0; |
824 | |
825 | err: |
826 | return ret; |
827 | } |
828 | |
829 | static int soc_tplg_denum_create_values(struct soc_tplg *tplg, struct soc_enum *se, |
830 | struct snd_soc_tplg_enum_control *ec) |
831 | { |
832 | int i; |
833 | |
834 | /* |
835 | * Following "if" checks if we have at most SND_SOC_TPLG_NUM_TEXTS |
836 | * values instead of using ARRAY_SIZE(ec->values) due to the fact that |
837 | * it is oversized for its purpose. Additionally it is done so because |
838 | * it is defined in UAPI header where it can't be easily changed. |
839 | */ |
840 | if (le32_to_cpu(ec->items) > SND_SOC_TPLG_NUM_TEXTS) |
841 | return -EINVAL; |
842 | |
843 | se->dobj.control.dvalues = devm_kcalloc(dev: tplg->dev, le32_to_cpu(ec->items), |
844 | size: sizeof(*se->dobj.control.dvalues), |
845 | GFP_KERNEL); |
846 | if (!se->dobj.control.dvalues) |
847 | return -ENOMEM; |
848 | |
849 | /* convert from little-endian */ |
850 | for (i = 0; i < le32_to_cpu(ec->items); i++) { |
851 | se->dobj.control.dvalues[i] = le32_to_cpu(ec->values[i]); |
852 | } |
853 | |
854 | return 0; |
855 | } |
856 | |
857 | static int soc_tplg_denum_create(struct soc_tplg *tplg, size_t size) |
858 | { |
859 | struct snd_soc_tplg_enum_control *ec; |
860 | struct soc_enum *se; |
861 | struct snd_kcontrol_new kc; |
862 | int ret = 0; |
863 | |
864 | if (soc_tplg_check_elem_count(tplg, |
865 | elem_size: sizeof(struct snd_soc_tplg_enum_control), |
866 | count: 1, bytes: size, elem_type: "enums" )) |
867 | return -EINVAL; |
868 | |
869 | ec = (struct snd_soc_tplg_enum_control *)tplg->pos; |
870 | |
871 | /* validate kcontrol */ |
872 | if (strnlen(p: ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
873 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
874 | return -EINVAL; |
875 | |
876 | se = devm_kzalloc(dev: tplg->dev, size: (sizeof(*se)), GFP_KERNEL); |
877 | if (se == NULL) |
878 | return -ENOMEM; |
879 | |
880 | tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + |
881 | le32_to_cpu(ec->priv.size)); |
882 | |
883 | dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n" , |
884 | ec->hdr.name, ec->items); |
885 | |
886 | memset(&kc, 0, sizeof(kc)); |
887 | kc.name = ec->hdr.name; |
888 | kc.private_value = (long)se; |
889 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
890 | kc.access = le32_to_cpu(ec->hdr.access); |
891 | |
892 | se->reg = tplg_chan_get_reg(tplg, chan: ec->channel, map: SNDRV_CHMAP_FL); |
893 | se->shift_l = tplg_chan_get_shift(tplg, chan: ec->channel, |
894 | map: SNDRV_CHMAP_FL); |
895 | se->shift_r = tplg_chan_get_shift(tplg, chan: ec->channel, |
896 | map: SNDRV_CHMAP_FL); |
897 | |
898 | se->mask = le32_to_cpu(ec->mask); |
899 | se->dobj.index = tplg->index; |
900 | se->dobj.type = SND_SOC_DOBJ_ENUM; |
901 | if (tplg->ops) |
902 | se->dobj.unload = tplg->ops->control_unload; |
903 | INIT_LIST_HEAD(list: &se->dobj.list); |
904 | |
905 | switch (le32_to_cpu(ec->hdr.ops.info)) { |
906 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
907 | case SND_SOC_TPLG_CTL_ENUM_VALUE: |
908 | ret = soc_tplg_denum_create_values(tplg, se, ec); |
909 | if (ret < 0) { |
910 | dev_err(tplg->dev, |
911 | "ASoC: could not create values for %s\n" , |
912 | ec->hdr.name); |
913 | goto err; |
914 | } |
915 | fallthrough; |
916 | case SND_SOC_TPLG_CTL_ENUM: |
917 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
918 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
919 | ret = soc_tplg_denum_create_texts(tplg, se, ec); |
920 | if (ret < 0) { |
921 | dev_err(tplg->dev, |
922 | "ASoC: could not create texts for %s\n" , |
923 | ec->hdr.name); |
924 | goto err; |
925 | } |
926 | break; |
927 | default: |
928 | ret = -EINVAL; |
929 | dev_err(tplg->dev, |
930 | "ASoC: invalid enum control type %d for %s\n" , |
931 | ec->hdr.ops.info, ec->hdr.name); |
932 | goto err; |
933 | } |
934 | |
935 | /* map io handlers */ |
936 | ret = soc_tplg_kcontrol_bind_io(hdr: &ec->hdr, k: &kc, tplg); |
937 | if (ret) { |
938 | soc_control_err(tplg, hdr: &ec->hdr, name: ec->hdr.name); |
939 | goto err; |
940 | } |
941 | |
942 | /* pass control to driver for optional further init */ |
943 | ret = soc_tplg_control_load(tplg, k: &kc, hdr: &ec->hdr); |
944 | if (ret < 0) |
945 | goto err; |
946 | |
947 | /* register control here */ |
948 | ret = soc_tplg_add_kcontrol(tplg, k: &kc, kcontrol: &se->dobj.control.kcontrol); |
949 | if (ret < 0) |
950 | goto err; |
951 | |
952 | list_add(new: &se->dobj.list, head: &tplg->comp->dobj_list); |
953 | |
954 | err: |
955 | return ret; |
956 | } |
957 | |
958 | static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg, |
959 | struct snd_soc_tplg_hdr *hdr) |
960 | { |
961 | int ret; |
962 | int i; |
963 | |
964 | dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n" , hdr->count, |
965 | soc_tplg_get_offset(tplg)); |
966 | |
967 | for (i = 0; i < le32_to_cpu(hdr->count); i++) { |
968 | struct snd_soc_tplg_ctl_hdr *control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; |
969 | |
970 | if (le32_to_cpu(control_hdr->size) != sizeof(*control_hdr)) { |
971 | dev_err(tplg->dev, "ASoC: invalid control size\n" ); |
972 | return -EINVAL; |
973 | } |
974 | |
975 | switch (le32_to_cpu(control_hdr->ops.info)) { |
976 | case SND_SOC_TPLG_CTL_VOLSW: |
977 | case SND_SOC_TPLG_CTL_STROBE: |
978 | case SND_SOC_TPLG_CTL_VOLSW_SX: |
979 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: |
980 | case SND_SOC_TPLG_CTL_RANGE: |
981 | case SND_SOC_TPLG_DAPM_CTL_VOLSW: |
982 | case SND_SOC_TPLG_DAPM_CTL_PIN: |
983 | ret = soc_tplg_dmixer_create(tplg, le32_to_cpu(hdr->payload_size)); |
984 | break; |
985 | case SND_SOC_TPLG_CTL_ENUM: |
986 | case SND_SOC_TPLG_CTL_ENUM_VALUE: |
987 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
988 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
989 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
990 | ret = soc_tplg_denum_create(tplg, le32_to_cpu(hdr->payload_size)); |
991 | break; |
992 | case SND_SOC_TPLG_CTL_BYTES: |
993 | ret = soc_tplg_dbytes_create(tplg, le32_to_cpu(hdr->payload_size)); |
994 | break; |
995 | default: |
996 | soc_bind_err(tplg, hdr: control_hdr, index: i); |
997 | return -EINVAL; |
998 | } |
999 | if (ret < 0) { |
1000 | dev_err(tplg->dev, "ASoC: invalid control\n" ); |
1001 | return ret; |
1002 | } |
1003 | |
1004 | } |
1005 | |
1006 | return 0; |
1007 | } |
1008 | |
1009 | /* optionally pass new dynamic kcontrol to component driver. */ |
1010 | static int soc_tplg_add_route(struct soc_tplg *tplg, |
1011 | struct snd_soc_dapm_route *route) |
1012 | { |
1013 | if (tplg->ops && tplg->ops->dapm_route_load) |
1014 | return tplg->ops->dapm_route_load(tplg->comp, tplg->index, |
1015 | route); |
1016 | |
1017 | return 0; |
1018 | } |
1019 | |
1020 | static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg, |
1021 | struct snd_soc_tplg_hdr *hdr) |
1022 | { |
1023 | struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; |
1024 | struct snd_soc_tplg_dapm_graph_elem *elem; |
1025 | struct snd_soc_dapm_route *route; |
1026 | int count, i; |
1027 | int ret = 0; |
1028 | |
1029 | count = le32_to_cpu(hdr->count); |
1030 | |
1031 | if (soc_tplg_check_elem_count(tplg, |
1032 | elem_size: sizeof(struct snd_soc_tplg_dapm_graph_elem), |
1033 | count, le32_to_cpu(hdr->payload_size), elem_type: "graph" )) |
1034 | return -EINVAL; |
1035 | |
1036 | dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes for index %d\n" , count, |
1037 | hdr->index); |
1038 | |
1039 | for (i = 0; i < count; i++) { |
1040 | route = devm_kzalloc(dev: tplg->dev, size: sizeof(*route), GFP_KERNEL); |
1041 | if (!route) |
1042 | return -ENOMEM; |
1043 | elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos; |
1044 | tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem); |
1045 | |
1046 | /* validate routes */ |
1047 | if (strnlen(p: elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1048 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
1049 | ret = -EINVAL; |
1050 | break; |
1051 | } |
1052 | if (strnlen(p: elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1053 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
1054 | ret = -EINVAL; |
1055 | break; |
1056 | } |
1057 | if (strnlen(p: elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1058 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { |
1059 | ret = -EINVAL; |
1060 | break; |
1061 | } |
1062 | |
1063 | route->source = elem->source; |
1064 | route->sink = elem->sink; |
1065 | |
1066 | /* set to NULL atm for tplg users */ |
1067 | route->connected = NULL; |
1068 | if (strnlen(p: elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) |
1069 | route->control = NULL; |
1070 | else |
1071 | route->control = elem->control; |
1072 | |
1073 | /* add route dobj to dobj_list */ |
1074 | route->dobj.type = SND_SOC_DOBJ_GRAPH; |
1075 | if (tplg->ops) |
1076 | route->dobj.unload = tplg->ops->dapm_route_unload; |
1077 | route->dobj.index = tplg->index; |
1078 | list_add(new: &route->dobj.list, head: &tplg->comp->dobj_list); |
1079 | |
1080 | ret = soc_tplg_add_route(tplg, route); |
1081 | if (ret < 0) { |
1082 | dev_err(tplg->dev, "ASoC: topology: add_route failed: %d\n" , ret); |
1083 | break; |
1084 | } |
1085 | |
1086 | /* add route, but keep going if some fail */ |
1087 | snd_soc_dapm_add_routes(dapm, route, num: 1); |
1088 | } |
1089 | |
1090 | return ret; |
1091 | } |
1092 | |
1093 | static int soc_tplg_dapm_widget_dmixer_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) |
1094 | { |
1095 | struct soc_mixer_control *sm; |
1096 | struct snd_soc_tplg_mixer_control *mc; |
1097 | int err; |
1098 | |
1099 | mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; |
1100 | |
1101 | /* validate kcontrol */ |
1102 | if (strnlen(p: mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1103 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
1104 | return -EINVAL; |
1105 | |
1106 | sm = devm_kzalloc(dev: tplg->dev, size: sizeof(*sm), GFP_KERNEL); |
1107 | if (!sm) |
1108 | return -ENOMEM; |
1109 | |
1110 | tplg->pos += sizeof(struct snd_soc_tplg_mixer_control) + |
1111 | le32_to_cpu(mc->priv.size); |
1112 | |
1113 | dev_dbg(tplg->dev, " adding DAPM widget mixer control %s\n" , |
1114 | mc->hdr.name); |
1115 | |
1116 | kc->private_value = (long)sm; |
1117 | kc->name = devm_kstrdup(dev: tplg->dev, s: mc->hdr.name, GFP_KERNEL); |
1118 | if (!kc->name) |
1119 | return -ENOMEM; |
1120 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
1121 | kc->access = le32_to_cpu(mc->hdr.access); |
1122 | |
1123 | /* we only support FL/FR channel mapping atm */ |
1124 | sm->reg = tplg_chan_get_reg(tplg, chan: mc->channel, |
1125 | map: SNDRV_CHMAP_FL); |
1126 | sm->rreg = tplg_chan_get_reg(tplg, chan: mc->channel, |
1127 | map: SNDRV_CHMAP_FR); |
1128 | sm->shift = tplg_chan_get_shift(tplg, chan: mc->channel, |
1129 | map: SNDRV_CHMAP_FL); |
1130 | sm->rshift = tplg_chan_get_shift(tplg, chan: mc->channel, |
1131 | map: SNDRV_CHMAP_FR); |
1132 | |
1133 | sm->max = le32_to_cpu(mc->max); |
1134 | sm->min = le32_to_cpu(mc->min); |
1135 | sm->invert = le32_to_cpu(mc->invert); |
1136 | sm->platform_max = le32_to_cpu(mc->platform_max); |
1137 | sm->dobj.index = tplg->index; |
1138 | INIT_LIST_HEAD(list: &sm->dobj.list); |
1139 | |
1140 | /* map io handlers */ |
1141 | err = soc_tplg_kcontrol_bind_io(hdr: &mc->hdr, k: kc, tplg); |
1142 | if (err) { |
1143 | soc_control_err(tplg, hdr: &mc->hdr, name: mc->hdr.name); |
1144 | return err; |
1145 | } |
1146 | |
1147 | /* create any TLV data */ |
1148 | err = soc_tplg_create_tlv(tplg, kc, tc: &mc->hdr); |
1149 | if (err < 0) { |
1150 | dev_err(tplg->dev, "ASoC: failed to create TLV %s\n" , |
1151 | mc->hdr.name); |
1152 | return err; |
1153 | } |
1154 | |
1155 | /* pass control to driver for optional further init */ |
1156 | err = soc_tplg_control_load(tplg, k: kc, hdr: &mc->hdr); |
1157 | if (err < 0) |
1158 | return err; |
1159 | |
1160 | return 0; |
1161 | } |
1162 | |
1163 | static int soc_tplg_dapm_widget_denum_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) |
1164 | { |
1165 | struct snd_soc_tplg_enum_control *ec; |
1166 | struct soc_enum *se; |
1167 | int err; |
1168 | |
1169 | ec = (struct snd_soc_tplg_enum_control *)tplg->pos; |
1170 | /* validate kcontrol */ |
1171 | if (strnlen(p: ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1172 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
1173 | return -EINVAL; |
1174 | |
1175 | se = devm_kzalloc(dev: tplg->dev, size: sizeof(*se), GFP_KERNEL); |
1176 | if (!se) |
1177 | return -ENOMEM; |
1178 | |
1179 | tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + |
1180 | le32_to_cpu(ec->priv.size)); |
1181 | |
1182 | dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n" , |
1183 | ec->hdr.name); |
1184 | |
1185 | kc->private_value = (long)se; |
1186 | kc->name = devm_kstrdup(dev: tplg->dev, s: ec->hdr.name, GFP_KERNEL); |
1187 | if (!kc->name) |
1188 | return -ENOMEM; |
1189 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
1190 | kc->access = le32_to_cpu(ec->hdr.access); |
1191 | |
1192 | /* we only support FL/FR channel mapping atm */ |
1193 | se->reg = tplg_chan_get_reg(tplg, chan: ec->channel, map: SNDRV_CHMAP_FL); |
1194 | se->shift_l = tplg_chan_get_shift(tplg, chan: ec->channel, |
1195 | map: SNDRV_CHMAP_FL); |
1196 | se->shift_r = tplg_chan_get_shift(tplg, chan: ec->channel, |
1197 | map: SNDRV_CHMAP_FR); |
1198 | |
1199 | se->items = le32_to_cpu(ec->items); |
1200 | se->mask = le32_to_cpu(ec->mask); |
1201 | se->dobj.index = tplg->index; |
1202 | |
1203 | switch (le32_to_cpu(ec->hdr.ops.info)) { |
1204 | case SND_SOC_TPLG_CTL_ENUM_VALUE: |
1205 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
1206 | err = soc_tplg_denum_create_values(tplg, se, ec); |
1207 | if (err < 0) { |
1208 | dev_err(tplg->dev, "ASoC: could not create values for %s\n" , |
1209 | ec->hdr.name); |
1210 | return err; |
1211 | } |
1212 | fallthrough; |
1213 | case SND_SOC_TPLG_CTL_ENUM: |
1214 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
1215 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
1216 | err = soc_tplg_denum_create_texts(tplg, se, ec); |
1217 | if (err < 0) { |
1218 | dev_err(tplg->dev, "ASoC: could not create texts for %s\n" , |
1219 | ec->hdr.name); |
1220 | return err; |
1221 | } |
1222 | break; |
1223 | default: |
1224 | dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n" , |
1225 | ec->hdr.ops.info, ec->hdr.name); |
1226 | return -EINVAL; |
1227 | } |
1228 | |
1229 | /* map io handlers */ |
1230 | err = soc_tplg_kcontrol_bind_io(hdr: &ec->hdr, k: kc, tplg); |
1231 | if (err) { |
1232 | soc_control_err(tplg, hdr: &ec->hdr, name: ec->hdr.name); |
1233 | return err; |
1234 | } |
1235 | |
1236 | /* pass control to driver for optional further init */ |
1237 | err = soc_tplg_control_load(tplg, k: kc, hdr: &ec->hdr); |
1238 | if (err < 0) |
1239 | return err; |
1240 | |
1241 | return 0; |
1242 | } |
1243 | |
1244 | static int soc_tplg_dapm_widget_dbytes_create(struct soc_tplg *tplg, struct snd_kcontrol_new *kc) |
1245 | { |
1246 | struct snd_soc_tplg_bytes_control *be; |
1247 | struct soc_bytes_ext *sbe; |
1248 | int err; |
1249 | |
1250 | be = (struct snd_soc_tplg_bytes_control *)tplg->pos; |
1251 | |
1252 | /* validate kcontrol */ |
1253 | if (strnlen(p: be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1254 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
1255 | return -EINVAL; |
1256 | |
1257 | sbe = devm_kzalloc(dev: tplg->dev, size: sizeof(*sbe), GFP_KERNEL); |
1258 | if (!sbe) |
1259 | return -ENOMEM; |
1260 | |
1261 | tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + |
1262 | le32_to_cpu(be->priv.size)); |
1263 | |
1264 | dev_dbg(tplg->dev, |
1265 | "ASoC: adding bytes kcontrol %s with access 0x%x\n" , |
1266 | be->hdr.name, be->hdr.access); |
1267 | |
1268 | kc->private_value = (long)sbe; |
1269 | kc->name = devm_kstrdup(dev: tplg->dev, s: be->hdr.name, GFP_KERNEL); |
1270 | if (!kc->name) |
1271 | return -ENOMEM; |
1272 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; |
1273 | kc->access = le32_to_cpu(be->hdr.access); |
1274 | |
1275 | sbe->max = le32_to_cpu(be->max); |
1276 | INIT_LIST_HEAD(list: &sbe->dobj.list); |
1277 | |
1278 | /* map standard io handlers and check for external handlers */ |
1279 | err = soc_tplg_kcontrol_bind_io(hdr: &be->hdr, k: kc, tplg); |
1280 | if (err) { |
1281 | soc_control_err(tplg, hdr: &be->hdr, name: be->hdr.name); |
1282 | return err; |
1283 | } |
1284 | |
1285 | /* pass control to driver for optional further init */ |
1286 | err = soc_tplg_control_load(tplg, k: kc, hdr: &be->hdr); |
1287 | if (err < 0) |
1288 | return err; |
1289 | |
1290 | return 0; |
1291 | } |
1292 | |
1293 | static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, |
1294 | struct snd_soc_tplg_dapm_widget *w) |
1295 | { |
1296 | struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; |
1297 | struct snd_soc_dapm_widget template, *widget; |
1298 | struct snd_soc_tplg_ctl_hdr *control_hdr; |
1299 | struct snd_soc_card *card = tplg->comp->card; |
1300 | unsigned int *kcontrol_type = NULL; |
1301 | struct snd_kcontrol_new *kc; |
1302 | int mixer_count = 0; |
1303 | int bytes_count = 0; |
1304 | int enum_count = 0; |
1305 | int ret = 0; |
1306 | int i; |
1307 | |
1308 | if (strnlen(p: w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1309 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
1310 | return -EINVAL; |
1311 | if (strnlen(p: w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == |
1312 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
1313 | return -EINVAL; |
1314 | |
1315 | dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n" , |
1316 | w->name, w->id); |
1317 | |
1318 | memset(&template, 0, sizeof(template)); |
1319 | |
1320 | /* map user to kernel widget ID */ |
1321 | template.id = get_widget_id(le32_to_cpu(w->id)); |
1322 | if ((int)template.id < 0) |
1323 | return template.id; |
1324 | |
1325 | /* strings are allocated here, but used and freed by the widget */ |
1326 | template.name = kstrdup(s: w->name, GFP_KERNEL); |
1327 | if (!template.name) |
1328 | return -ENOMEM; |
1329 | template.sname = kstrdup(s: w->sname, GFP_KERNEL); |
1330 | if (!template.sname) { |
1331 | ret = -ENOMEM; |
1332 | goto err; |
1333 | } |
1334 | template.reg = le32_to_cpu(w->reg); |
1335 | template.shift = le32_to_cpu(w->shift); |
1336 | template.mask = le32_to_cpu(w->mask); |
1337 | template.subseq = le32_to_cpu(w->subseq); |
1338 | template.on_val = w->invert ? 0 : 1; |
1339 | template.off_val = w->invert ? 1 : 0; |
1340 | template.ignore_suspend = le32_to_cpu(w->ignore_suspend); |
1341 | template.event_flags = le16_to_cpu(w->event_flags); |
1342 | template.dobj.index = tplg->index; |
1343 | |
1344 | tplg->pos += |
1345 | (sizeof(struct snd_soc_tplg_dapm_widget) + |
1346 | le32_to_cpu(w->priv.size)); |
1347 | |
1348 | if (w->num_kcontrols == 0) { |
1349 | template.num_kcontrols = 0; |
1350 | goto widget; |
1351 | } |
1352 | |
1353 | template.num_kcontrols = le32_to_cpu(w->num_kcontrols); |
1354 | kc = devm_kcalloc(dev: tplg->dev, le32_to_cpu(w->num_kcontrols), size: sizeof(*kc), GFP_KERNEL); |
1355 | if (!kc) { |
1356 | ret = -ENOMEM; |
1357 | goto hdr_err; |
1358 | } |
1359 | |
1360 | kcontrol_type = devm_kcalloc(dev: tplg->dev, le32_to_cpu(w->num_kcontrols), size: sizeof(unsigned int), |
1361 | GFP_KERNEL); |
1362 | if (!kcontrol_type) { |
1363 | ret = -ENOMEM; |
1364 | goto hdr_err; |
1365 | } |
1366 | |
1367 | for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) { |
1368 | control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; |
1369 | switch (le32_to_cpu(control_hdr->ops.info)) { |
1370 | case SND_SOC_TPLG_CTL_VOLSW: |
1371 | case SND_SOC_TPLG_CTL_STROBE: |
1372 | case SND_SOC_TPLG_CTL_VOLSW_SX: |
1373 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: |
1374 | case SND_SOC_TPLG_CTL_RANGE: |
1375 | case SND_SOC_TPLG_DAPM_CTL_VOLSW: |
1376 | /* volume mixer */ |
1377 | kc[i].index = mixer_count; |
1378 | kcontrol_type[i] = SND_SOC_TPLG_TYPE_MIXER; |
1379 | mixer_count++; |
1380 | ret = soc_tplg_dapm_widget_dmixer_create(tplg, kc: &kc[i]); |
1381 | if (ret < 0) |
1382 | goto hdr_err; |
1383 | break; |
1384 | case SND_SOC_TPLG_CTL_ENUM: |
1385 | case SND_SOC_TPLG_CTL_ENUM_VALUE: |
1386 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: |
1387 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: |
1388 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: |
1389 | /* enumerated mixer */ |
1390 | kc[i].index = enum_count; |
1391 | kcontrol_type[i] = SND_SOC_TPLG_TYPE_ENUM; |
1392 | enum_count++; |
1393 | ret = soc_tplg_dapm_widget_denum_create(tplg, kc: &kc[i]); |
1394 | if (ret < 0) |
1395 | goto hdr_err; |
1396 | break; |
1397 | case SND_SOC_TPLG_CTL_BYTES: |
1398 | /* bytes control */ |
1399 | kc[i].index = bytes_count; |
1400 | kcontrol_type[i] = SND_SOC_TPLG_TYPE_BYTES; |
1401 | bytes_count++; |
1402 | ret = soc_tplg_dapm_widget_dbytes_create(tplg, kc: &kc[i]); |
1403 | if (ret < 0) |
1404 | goto hdr_err; |
1405 | break; |
1406 | default: |
1407 | dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n" , |
1408 | control_hdr->ops.get, control_hdr->ops.put, |
1409 | le32_to_cpu(control_hdr->ops.info)); |
1410 | ret = -EINVAL; |
1411 | goto hdr_err; |
1412 | } |
1413 | } |
1414 | |
1415 | template.kcontrol_news = kc; |
1416 | dev_dbg(tplg->dev, "ASoC: template %s with %d/%d/%d (mixer/enum/bytes) control\n" , |
1417 | w->name, mixer_count, enum_count, bytes_count); |
1418 | |
1419 | widget: |
1420 | ret = soc_tplg_widget_load(tplg, w: &template, tplg_w: w); |
1421 | if (ret < 0) |
1422 | goto hdr_err; |
1423 | |
1424 | /* card dapm mutex is held by the core if we are loading topology |
1425 | * data during sound card init. */ |
1426 | if (snd_soc_card_is_instantiated(card)) |
1427 | widget = snd_soc_dapm_new_control(dapm, widget: &template); |
1428 | else |
1429 | widget = snd_soc_dapm_new_control_unlocked(dapm, widget: &template); |
1430 | if (IS_ERR(ptr: widget)) { |
1431 | ret = PTR_ERR(ptr: widget); |
1432 | goto hdr_err; |
1433 | } |
1434 | |
1435 | widget->dobj.type = SND_SOC_DOBJ_WIDGET; |
1436 | widget->dobj.widget.kcontrol_type = kcontrol_type; |
1437 | if (tplg->ops) |
1438 | widget->dobj.unload = tplg->ops->widget_unload; |
1439 | widget->dobj.index = tplg->index; |
1440 | list_add(new: &widget->dobj.list, head: &tplg->comp->dobj_list); |
1441 | |
1442 | ret = soc_tplg_widget_ready(tplg, w: widget, tplg_w: w); |
1443 | if (ret < 0) |
1444 | goto ready_err; |
1445 | |
1446 | kfree(objp: template.sname); |
1447 | kfree(objp: template.name); |
1448 | |
1449 | return 0; |
1450 | |
1451 | ready_err: |
1452 | soc_tplg_remove_widget(comp: widget->dapm->component, dobj: &widget->dobj, SOC_TPLG_PASS_WIDGET); |
1453 | snd_soc_dapm_free_widget(w: widget); |
1454 | hdr_err: |
1455 | kfree(objp: template.sname); |
1456 | err: |
1457 | kfree(objp: template.name); |
1458 | return ret; |
1459 | } |
1460 | |
1461 | static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg, |
1462 | struct snd_soc_tplg_hdr *hdr) |
1463 | { |
1464 | int count, i; |
1465 | |
1466 | count = le32_to_cpu(hdr->count); |
1467 | |
1468 | dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n" , count); |
1469 | |
1470 | for (i = 0; i < count; i++) { |
1471 | struct snd_soc_tplg_dapm_widget *widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos; |
1472 | int ret; |
1473 | |
1474 | /* |
1475 | * check if widget itself fits within topology file |
1476 | * use sizeof instead of widget->size, as we can't be sure |
1477 | * it is set properly yet (file may end before it is present) |
1478 | */ |
1479 | if (soc_tplg_get_offset(tplg) + sizeof(*widget) >= tplg->fw->size) { |
1480 | dev_err(tplg->dev, "ASoC: invalid widget data size\n" ); |
1481 | return -EINVAL; |
1482 | } |
1483 | |
1484 | /* check if widget has proper size */ |
1485 | if (le32_to_cpu(widget->size) != sizeof(*widget)) { |
1486 | dev_err(tplg->dev, "ASoC: invalid widget size\n" ); |
1487 | return -EINVAL; |
1488 | } |
1489 | |
1490 | /* check if widget private data fits within topology file */ |
1491 | if (soc_tplg_get_offset(tplg) + le32_to_cpu(widget->priv.size) >= tplg->fw->size) { |
1492 | dev_err(tplg->dev, "ASoC: invalid widget private data size\n" ); |
1493 | return -EINVAL; |
1494 | } |
1495 | |
1496 | ret = soc_tplg_dapm_widget_create(tplg, w: widget); |
1497 | if (ret < 0) { |
1498 | dev_err(tplg->dev, "ASoC: failed to load widget %s\n" , |
1499 | widget->name); |
1500 | return ret; |
1501 | } |
1502 | } |
1503 | |
1504 | return 0; |
1505 | } |
1506 | |
1507 | static int soc_tplg_dapm_complete(struct soc_tplg *tplg) |
1508 | { |
1509 | struct snd_soc_card *card = tplg->comp->card; |
1510 | int ret; |
1511 | |
1512 | /* Card might not have been registered at this point. |
1513 | * If so, just return success. |
1514 | */ |
1515 | if (!snd_soc_card_is_instantiated(card)) { |
1516 | dev_warn(tplg->dev, "ASoC: Parent card not yet available, widget card binding deferred\n" ); |
1517 | return 0; |
1518 | } |
1519 | |
1520 | ret = snd_soc_dapm_new_widgets(card); |
1521 | if (ret < 0) |
1522 | dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n" , ret); |
1523 | |
1524 | return ret; |
1525 | } |
1526 | |
1527 | static int set_stream_info(struct soc_tplg *tplg, struct snd_soc_pcm_stream *stream, |
1528 | struct snd_soc_tplg_stream_caps *caps) |
1529 | { |
1530 | stream->stream_name = devm_kstrdup(dev: tplg->dev, s: caps->name, GFP_KERNEL); |
1531 | if (!stream->stream_name) |
1532 | return -ENOMEM; |
1533 | |
1534 | stream->channels_min = le32_to_cpu(caps->channels_min); |
1535 | stream->channels_max = le32_to_cpu(caps->channels_max); |
1536 | stream->rates = le32_to_cpu(caps->rates); |
1537 | stream->rate_min = le32_to_cpu(caps->rate_min); |
1538 | stream->rate_max = le32_to_cpu(caps->rate_max); |
1539 | stream->formats = le64_to_cpu(caps->formats); |
1540 | stream->sig_bits = le32_to_cpu(caps->sig_bits); |
1541 | |
1542 | return 0; |
1543 | } |
1544 | |
1545 | static void set_dai_flags(struct snd_soc_dai_driver *dai_drv, |
1546 | unsigned int flag_mask, unsigned int flags) |
1547 | { |
1548 | if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) |
1549 | dai_drv->symmetric_rate = |
1550 | (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_RATES) ? 1 : 0; |
1551 | |
1552 | if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) |
1553 | dai_drv->symmetric_channels = |
1554 | (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS) ? |
1555 | 1 : 0; |
1556 | |
1557 | if (flag_mask & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) |
1558 | dai_drv->symmetric_sample_bits = |
1559 | (flags & SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS) ? |
1560 | 1 : 0; |
1561 | } |
1562 | |
1563 | static const struct snd_soc_dai_ops tplg_dai_ops = { |
1564 | .compress_new = snd_soc_new_compress, |
1565 | }; |
1566 | |
1567 | static int soc_tplg_dai_create(struct soc_tplg *tplg, |
1568 | struct snd_soc_tplg_pcm *pcm) |
1569 | { |
1570 | struct snd_soc_dai_driver *dai_drv; |
1571 | struct snd_soc_pcm_stream *stream; |
1572 | struct snd_soc_tplg_stream_caps *caps; |
1573 | struct snd_soc_dai *dai; |
1574 | struct snd_soc_dapm_context *dapm = |
1575 | snd_soc_component_get_dapm(component: tplg->comp); |
1576 | int ret; |
1577 | |
1578 | dai_drv = devm_kzalloc(dev: tplg->dev, size: sizeof(struct snd_soc_dai_driver), GFP_KERNEL); |
1579 | if (dai_drv == NULL) |
1580 | return -ENOMEM; |
1581 | |
1582 | if (strlen(pcm->dai_name)) { |
1583 | dai_drv->name = devm_kstrdup(dev: tplg->dev, s: pcm->dai_name, GFP_KERNEL); |
1584 | if (!dai_drv->name) { |
1585 | ret = -ENOMEM; |
1586 | goto err; |
1587 | } |
1588 | } |
1589 | dai_drv->id = le32_to_cpu(pcm->dai_id); |
1590 | |
1591 | if (pcm->playback) { |
1592 | stream = &dai_drv->playback; |
1593 | caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; |
1594 | ret = set_stream_info(tplg, stream, caps); |
1595 | if (ret < 0) |
1596 | goto err; |
1597 | } |
1598 | |
1599 | if (pcm->capture) { |
1600 | stream = &dai_drv->capture; |
1601 | caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE]; |
1602 | ret = set_stream_info(tplg, stream, caps); |
1603 | if (ret < 0) |
1604 | goto err; |
1605 | } |
1606 | |
1607 | if (pcm->compress) |
1608 | dai_drv->ops = &tplg_dai_ops; |
1609 | |
1610 | /* pass control to component driver for optional further init */ |
1611 | ret = soc_tplg_dai_load(tplg, dai_drv, pcm, NULL); |
1612 | if (ret < 0) { |
1613 | dev_err(tplg->dev, "ASoC: DAI loading failed\n" ); |
1614 | goto err; |
1615 | } |
1616 | |
1617 | dai_drv->dobj.index = tplg->index; |
1618 | dai_drv->dobj.type = SND_SOC_DOBJ_PCM; |
1619 | if (tplg->ops) |
1620 | dai_drv->dobj.unload = tplg->ops->dai_unload; |
1621 | list_add(new: &dai_drv->dobj.list, head: &tplg->comp->dobj_list); |
1622 | |
1623 | /* register the DAI to the component */ |
1624 | dai = snd_soc_register_dai(component: tplg->comp, dai_drv, legacy_dai_naming: false); |
1625 | if (!dai) |
1626 | return -ENOMEM; |
1627 | |
1628 | /* Create the DAI widgets here */ |
1629 | ret = snd_soc_dapm_new_dai_widgets(dapm, dai); |
1630 | if (ret != 0) { |
1631 | dev_err(dai->dev, "Failed to create DAI widgets %d\n" , ret); |
1632 | snd_soc_unregister_dai(dai); |
1633 | return ret; |
1634 | } |
1635 | |
1636 | return 0; |
1637 | |
1638 | err: |
1639 | return ret; |
1640 | } |
1641 | |
1642 | static void set_link_flags(struct snd_soc_dai_link *link, |
1643 | unsigned int flag_mask, unsigned int flags) |
1644 | { |
1645 | if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) |
1646 | link->symmetric_rate = |
1647 | (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_RATES) ? 1 : 0; |
1648 | |
1649 | if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) |
1650 | link->symmetric_channels = |
1651 | (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_CHANNELS) ? |
1652 | 1 : 0; |
1653 | |
1654 | if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) |
1655 | link->symmetric_sample_bits = |
1656 | (flags & SND_SOC_TPLG_LNK_FLGBIT_SYMMETRIC_SAMPLEBITS) ? |
1657 | 1 : 0; |
1658 | |
1659 | if (flag_mask & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) |
1660 | link->ignore_suspend = |
1661 | (flags & SND_SOC_TPLG_LNK_FLGBIT_VOICE_WAKEUP) ? |
1662 | 1 : 0; |
1663 | } |
1664 | |
1665 | /* create the FE DAI link */ |
1666 | static int soc_tplg_fe_link_create(struct soc_tplg *tplg, |
1667 | struct snd_soc_tplg_pcm *pcm) |
1668 | { |
1669 | struct snd_soc_dai_link *link; |
1670 | struct snd_soc_dai_link_component *dlc; |
1671 | int ret; |
1672 | |
1673 | /* link + cpu + codec + platform */ |
1674 | link = devm_kzalloc(dev: tplg->dev, size: sizeof(*link) + (3 * sizeof(*dlc)), GFP_KERNEL); |
1675 | if (link == NULL) |
1676 | return -ENOMEM; |
1677 | |
1678 | dlc = (struct snd_soc_dai_link_component *)(link + 1); |
1679 | |
1680 | link->cpus = &dlc[0]; |
1681 | link->num_cpus = 1; |
1682 | |
1683 | link->dobj.index = tplg->index; |
1684 | link->dobj.type = SND_SOC_DOBJ_DAI_LINK; |
1685 | if (tplg->ops) |
1686 | link->dobj.unload = tplg->ops->link_unload; |
1687 | |
1688 | if (strlen(pcm->pcm_name)) { |
1689 | link->name = devm_kstrdup(dev: tplg->dev, s: pcm->pcm_name, GFP_KERNEL); |
1690 | link->stream_name = devm_kstrdup(dev: tplg->dev, s: pcm->pcm_name, GFP_KERNEL); |
1691 | if (!link->name || !link->stream_name) { |
1692 | ret = -ENOMEM; |
1693 | goto err; |
1694 | } |
1695 | } |
1696 | link->id = le32_to_cpu(pcm->pcm_id); |
1697 | |
1698 | if (strlen(pcm->dai_name)) { |
1699 | link->cpus->dai_name = devm_kstrdup(dev: tplg->dev, s: pcm->dai_name, GFP_KERNEL); |
1700 | if (!link->cpus->dai_name) { |
1701 | ret = -ENOMEM; |
1702 | goto err; |
1703 | } |
1704 | } |
1705 | |
1706 | /* |
1707 | * Many topology are assuming link has Codec / Platform, and |
1708 | * these might be overwritten at soc_tplg_dai_link_load(). |
1709 | * Don't use &snd_soc_dummy_dlc here. |
1710 | */ |
1711 | link->codecs = &dlc[1]; /* Don't use &snd_soc_dummy_dlc here */ |
1712 | link->codecs->name = "snd-soc-dummy" ; |
1713 | link->codecs->dai_name = "snd-soc-dummy-dai" ; |
1714 | link->num_codecs = 1; |
1715 | |
1716 | link->platforms = &dlc[2]; /* Don't use &snd_soc_dummy_dlc here */ |
1717 | link->platforms->name = "snd-soc-dummy" ; |
1718 | link->num_platforms = 1; |
1719 | |
1720 | /* enable DPCM */ |
1721 | link->dynamic = 1; |
1722 | link->ignore_pmdown_time = 1; |
1723 | link->dpcm_playback = le32_to_cpu(pcm->playback); |
1724 | link->dpcm_capture = le32_to_cpu(pcm->capture); |
1725 | if (pcm->flag_mask) |
1726 | set_link_flags(link, |
1727 | le32_to_cpu(pcm->flag_mask), |
1728 | le32_to_cpu(pcm->flags)); |
1729 | |
1730 | /* pass control to component driver for optional further init */ |
1731 | ret = soc_tplg_dai_link_load(tplg, link, NULL); |
1732 | if (ret < 0) { |
1733 | dev_err(tplg->dev, "ASoC: FE link loading failed\n" ); |
1734 | goto err; |
1735 | } |
1736 | |
1737 | ret = snd_soc_add_pcm_runtimes(card: tplg->comp->card, dai_link: link, num_dai_link: 1); |
1738 | if (ret < 0) { |
1739 | if (ret != -EPROBE_DEFER) |
1740 | dev_err(tplg->dev, "ASoC: adding FE link failed\n" ); |
1741 | goto err; |
1742 | } |
1743 | |
1744 | list_add(new: &link->dobj.list, head: &tplg->comp->dobj_list); |
1745 | |
1746 | return 0; |
1747 | err: |
1748 | return ret; |
1749 | } |
1750 | |
1751 | /* create a FE DAI and DAI link from the PCM object */ |
1752 | static int soc_tplg_pcm_create(struct soc_tplg *tplg, |
1753 | struct snd_soc_tplg_pcm *pcm) |
1754 | { |
1755 | int ret; |
1756 | |
1757 | ret = soc_tplg_dai_create(tplg, pcm); |
1758 | if (ret < 0) |
1759 | return ret; |
1760 | |
1761 | return soc_tplg_fe_link_create(tplg, pcm); |
1762 | } |
1763 | |
1764 | /* copy stream caps from the old version 4 of source */ |
1765 | static void stream_caps_new_ver(struct snd_soc_tplg_stream_caps *dest, |
1766 | struct snd_soc_tplg_stream_caps_v4 *src) |
1767 | { |
1768 | dest->size = cpu_to_le32(sizeof(*dest)); |
1769 | memcpy(dest->name, src->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
1770 | dest->formats = src->formats; |
1771 | dest->rates = src->rates; |
1772 | dest->rate_min = src->rate_min; |
1773 | dest->rate_max = src->rate_max; |
1774 | dest->channels_min = src->channels_min; |
1775 | dest->channels_max = src->channels_max; |
1776 | dest->periods_min = src->periods_min; |
1777 | dest->periods_max = src->periods_max; |
1778 | dest->period_size_min = src->period_size_min; |
1779 | dest->period_size_max = src->period_size_max; |
1780 | dest->buffer_size_min = src->buffer_size_min; |
1781 | dest->buffer_size_max = src->buffer_size_max; |
1782 | } |
1783 | |
1784 | /** |
1785 | * pcm_new_ver - Create the new version of PCM from the old version. |
1786 | * @tplg: topology context |
1787 | * @src: older version of pcm as a source |
1788 | * @pcm: latest version of pcm created from the source |
1789 | * |
1790 | * Support from version 4. User should free the returned pcm manually. |
1791 | */ |
1792 | static int pcm_new_ver(struct soc_tplg *tplg, |
1793 | struct snd_soc_tplg_pcm *src, |
1794 | struct snd_soc_tplg_pcm **pcm) |
1795 | { |
1796 | struct snd_soc_tplg_pcm *dest; |
1797 | struct snd_soc_tplg_pcm_v4 *src_v4; |
1798 | int i; |
1799 | |
1800 | *pcm = NULL; |
1801 | |
1802 | if (le32_to_cpu(src->size) != sizeof(*src_v4)) { |
1803 | dev_err(tplg->dev, "ASoC: invalid PCM size\n" ); |
1804 | return -EINVAL; |
1805 | } |
1806 | |
1807 | dev_warn(tplg->dev, "ASoC: old version of PCM\n" ); |
1808 | src_v4 = (struct snd_soc_tplg_pcm_v4 *)src; |
1809 | dest = kzalloc(size: sizeof(*dest), GFP_KERNEL); |
1810 | if (!dest) |
1811 | return -ENOMEM; |
1812 | |
1813 | dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */ |
1814 | memcpy(dest->pcm_name, src_v4->pcm_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
1815 | memcpy(dest->dai_name, src_v4->dai_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
1816 | dest->pcm_id = src_v4->pcm_id; |
1817 | dest->dai_id = src_v4->dai_id; |
1818 | dest->playback = src_v4->playback; |
1819 | dest->capture = src_v4->capture; |
1820 | dest->compress = src_v4->compress; |
1821 | dest->num_streams = src_v4->num_streams; |
1822 | for (i = 0; i < le32_to_cpu(dest->num_streams); i++) |
1823 | memcpy(&dest->stream[i], &src_v4->stream[i], |
1824 | sizeof(struct snd_soc_tplg_stream)); |
1825 | |
1826 | for (i = 0; i < 2; i++) |
1827 | stream_caps_new_ver(dest: &dest->caps[i], src: &src_v4->caps[i]); |
1828 | |
1829 | *pcm = dest; |
1830 | return 0; |
1831 | } |
1832 | |
1833 | static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg, |
1834 | struct snd_soc_tplg_hdr *hdr) |
1835 | { |
1836 | struct snd_soc_tplg_pcm *pcm, *_pcm; |
1837 | int count; |
1838 | int size; |
1839 | int i; |
1840 | bool abi_match; |
1841 | int ret; |
1842 | |
1843 | count = le32_to_cpu(hdr->count); |
1844 | |
1845 | /* check the element size and count */ |
1846 | pcm = (struct snd_soc_tplg_pcm *)tplg->pos; |
1847 | size = le32_to_cpu(pcm->size); |
1848 | if (size > sizeof(struct snd_soc_tplg_pcm) |
1849 | || size < sizeof(struct snd_soc_tplg_pcm_v4)) { |
1850 | dev_err(tplg->dev, "ASoC: invalid size %d for PCM elems\n" , |
1851 | size); |
1852 | return -EINVAL; |
1853 | } |
1854 | |
1855 | if (soc_tplg_check_elem_count(tplg, |
1856 | elem_size: size, count, |
1857 | le32_to_cpu(hdr->payload_size), |
1858 | elem_type: "PCM DAI" )) |
1859 | return -EINVAL; |
1860 | |
1861 | for (i = 0; i < count; i++) { |
1862 | pcm = (struct snd_soc_tplg_pcm *)tplg->pos; |
1863 | size = le32_to_cpu(pcm->size); |
1864 | |
1865 | /* check ABI version by size, create a new version of pcm |
1866 | * if abi not match. |
1867 | */ |
1868 | if (size == sizeof(*pcm)) { |
1869 | abi_match = true; |
1870 | _pcm = pcm; |
1871 | } else { |
1872 | abi_match = false; |
1873 | ret = pcm_new_ver(tplg, src: pcm, pcm: &_pcm); |
1874 | if (ret < 0) |
1875 | return ret; |
1876 | } |
1877 | |
1878 | /* create the FE DAIs and DAI links */ |
1879 | ret = soc_tplg_pcm_create(tplg, pcm: _pcm); |
1880 | if (ret < 0) { |
1881 | if (!abi_match) |
1882 | kfree(objp: _pcm); |
1883 | return ret; |
1884 | } |
1885 | |
1886 | /* offset by version-specific struct size and |
1887 | * real priv data size |
1888 | */ |
1889 | tplg->pos += size + le32_to_cpu(_pcm->priv.size); |
1890 | |
1891 | if (!abi_match) |
1892 | kfree(objp: _pcm); /* free the duplicated one */ |
1893 | } |
1894 | |
1895 | dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n" , count); |
1896 | |
1897 | return 0; |
1898 | } |
1899 | |
1900 | /** |
1901 | * set_link_hw_format - Set the HW audio format of the physical DAI link. |
1902 | * @link: &snd_soc_dai_link which should be updated |
1903 | * @cfg: physical link configs. |
1904 | * |
1905 | * Topology context contains a list of supported HW formats (configs) and |
1906 | * a default format ID for the physical link. This function will use this |
1907 | * default ID to choose the HW format to set the link's DAI format for init. |
1908 | */ |
1909 | static void set_link_hw_format(struct snd_soc_dai_link *link, |
1910 | struct snd_soc_tplg_link_config *cfg) |
1911 | { |
1912 | struct snd_soc_tplg_hw_config *hw_config; |
1913 | unsigned char bclk_provider, fsync_provider; |
1914 | unsigned char invert_bclk, invert_fsync; |
1915 | int i; |
1916 | |
1917 | for (i = 0; i < le32_to_cpu(cfg->num_hw_configs); i++) { |
1918 | hw_config = &cfg->hw_config[i]; |
1919 | if (hw_config->id != cfg->default_hw_config_id) |
1920 | continue; |
1921 | |
1922 | link->dai_fmt = le32_to_cpu(hw_config->fmt) & |
1923 | SND_SOC_DAIFMT_FORMAT_MASK; |
1924 | |
1925 | /* clock gating */ |
1926 | switch (hw_config->clock_gated) { |
1927 | case SND_SOC_TPLG_DAI_CLK_GATE_GATED: |
1928 | link->dai_fmt |= SND_SOC_DAIFMT_GATED; |
1929 | break; |
1930 | |
1931 | case SND_SOC_TPLG_DAI_CLK_GATE_CONT: |
1932 | link->dai_fmt |= SND_SOC_DAIFMT_CONT; |
1933 | break; |
1934 | |
1935 | default: |
1936 | /* ignore the value */ |
1937 | break; |
1938 | } |
1939 | |
1940 | /* clock signal polarity */ |
1941 | invert_bclk = hw_config->invert_bclk; |
1942 | invert_fsync = hw_config->invert_fsync; |
1943 | if (!invert_bclk && !invert_fsync) |
1944 | link->dai_fmt |= SND_SOC_DAIFMT_NB_NF; |
1945 | else if (!invert_bclk && invert_fsync) |
1946 | link->dai_fmt |= SND_SOC_DAIFMT_NB_IF; |
1947 | else if (invert_bclk && !invert_fsync) |
1948 | link->dai_fmt |= SND_SOC_DAIFMT_IB_NF; |
1949 | else |
1950 | link->dai_fmt |= SND_SOC_DAIFMT_IB_IF; |
1951 | |
1952 | /* clock masters */ |
1953 | bclk_provider = (hw_config->bclk_provider == |
1954 | SND_SOC_TPLG_BCLK_CP); |
1955 | fsync_provider = (hw_config->fsync_provider == |
1956 | SND_SOC_TPLG_FSYNC_CP); |
1957 | if (bclk_provider && fsync_provider) |
1958 | link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFP; |
1959 | else if (!bclk_provider && fsync_provider) |
1960 | link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFP; |
1961 | else if (bclk_provider && !fsync_provider) |
1962 | link->dai_fmt |= SND_SOC_DAIFMT_CBP_CFC; |
1963 | else |
1964 | link->dai_fmt |= SND_SOC_DAIFMT_CBC_CFC; |
1965 | } |
1966 | } |
1967 | |
1968 | /** |
1969 | * link_new_ver - Create a new physical link config from the old |
1970 | * version of source. |
1971 | * @tplg: topology context |
1972 | * @src: old version of phyical link config as a source |
1973 | * @link: latest version of physical link config created from the source |
1974 | * |
1975 | * Support from version 4. User need free the returned link config manually. |
1976 | */ |
1977 | static int link_new_ver(struct soc_tplg *tplg, |
1978 | struct snd_soc_tplg_link_config *src, |
1979 | struct snd_soc_tplg_link_config **link) |
1980 | { |
1981 | struct snd_soc_tplg_link_config *dest; |
1982 | struct snd_soc_tplg_link_config_v4 *src_v4; |
1983 | int i; |
1984 | |
1985 | *link = NULL; |
1986 | |
1987 | if (le32_to_cpu(src->size) != |
1988 | sizeof(struct snd_soc_tplg_link_config_v4)) { |
1989 | dev_err(tplg->dev, "ASoC: invalid physical link config size\n" ); |
1990 | return -EINVAL; |
1991 | } |
1992 | |
1993 | dev_warn(tplg->dev, "ASoC: old version of physical link config\n" ); |
1994 | |
1995 | src_v4 = (struct snd_soc_tplg_link_config_v4 *)src; |
1996 | dest = kzalloc(size: sizeof(*dest), GFP_KERNEL); |
1997 | if (!dest) |
1998 | return -ENOMEM; |
1999 | |
2000 | dest->size = cpu_to_le32(sizeof(*dest)); |
2001 | dest->id = src_v4->id; |
2002 | dest->num_streams = src_v4->num_streams; |
2003 | for (i = 0; i < le32_to_cpu(dest->num_streams); i++) |
2004 | memcpy(&dest->stream[i], &src_v4->stream[i], |
2005 | sizeof(struct snd_soc_tplg_stream)); |
2006 | |
2007 | *link = dest; |
2008 | return 0; |
2009 | } |
2010 | |
2011 | /** |
2012 | * snd_soc_find_dai_link - Find a DAI link |
2013 | * |
2014 | * @card: soc card |
2015 | * @id: DAI link ID to match |
2016 | * @name: DAI link name to match, optional |
2017 | * @stream_name: DAI link stream name to match, optional |
2018 | * |
2019 | * This function will search all existing DAI links of the soc card to |
2020 | * find the link of the same ID. Since DAI links may not have their |
2021 | * unique ID, so name and stream name should also match if being |
2022 | * specified. |
2023 | * |
2024 | * Return: pointer of DAI link, or NULL if not found. |
2025 | */ |
2026 | static struct snd_soc_dai_link *snd_soc_find_dai_link(struct snd_soc_card *card, |
2027 | int id, const char *name, |
2028 | const char *stream_name) |
2029 | { |
2030 | struct snd_soc_pcm_runtime *rtd; |
2031 | |
2032 | for_each_card_rtds(card, rtd) { |
2033 | struct snd_soc_dai_link *link = rtd->dai_link; |
2034 | |
2035 | if (link->id != id) |
2036 | continue; |
2037 | |
2038 | if (name && (!link->name || !strstr(link->name, name))) |
2039 | continue; |
2040 | |
2041 | if (stream_name && (!link->stream_name || |
2042 | !strstr(link->stream_name, stream_name))) |
2043 | continue; |
2044 | |
2045 | return link; |
2046 | } |
2047 | |
2048 | return NULL; |
2049 | } |
2050 | |
2051 | /* Find and configure an existing physical DAI link */ |
2052 | static int soc_tplg_link_config(struct soc_tplg *tplg, |
2053 | struct snd_soc_tplg_link_config *cfg) |
2054 | { |
2055 | struct snd_soc_dai_link *link; |
2056 | const char *name, *stream_name; |
2057 | size_t len; |
2058 | int ret; |
2059 | |
2060 | len = strnlen(p: cfg->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
2061 | if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
2062 | return -EINVAL; |
2063 | else if (len) |
2064 | name = cfg->name; |
2065 | else |
2066 | name = NULL; |
2067 | |
2068 | len = strnlen(p: cfg->stream_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN); |
2069 | if (len == SNDRV_CTL_ELEM_ID_NAME_MAXLEN) |
2070 | return -EINVAL; |
2071 | else if (len) |
2072 | stream_name = cfg->stream_name; |
2073 | else |
2074 | stream_name = NULL; |
2075 | |
2076 | link = snd_soc_find_dai_link(card: tplg->comp->card, le32_to_cpu(cfg->id), |
2077 | name, stream_name); |
2078 | if (!link) { |
2079 | dev_err(tplg->dev, "ASoC: physical link %s (id %d) not exist\n" , |
2080 | name, cfg->id); |
2081 | return -EINVAL; |
2082 | } |
2083 | |
2084 | /* hw format */ |
2085 | if (cfg->num_hw_configs) |
2086 | set_link_hw_format(link, cfg); |
2087 | |
2088 | /* flags */ |
2089 | if (cfg->flag_mask) |
2090 | set_link_flags(link, |
2091 | le32_to_cpu(cfg->flag_mask), |
2092 | le32_to_cpu(cfg->flags)); |
2093 | |
2094 | /* pass control to component driver for optional further init */ |
2095 | ret = soc_tplg_dai_link_load(tplg, link, cfg); |
2096 | if (ret < 0) { |
2097 | dev_err(tplg->dev, "ASoC: physical link loading failed\n" ); |
2098 | return ret; |
2099 | } |
2100 | |
2101 | /* for unloading it in snd_soc_tplg_component_remove */ |
2102 | link->dobj.index = tplg->index; |
2103 | link->dobj.type = SND_SOC_DOBJ_BACKEND_LINK; |
2104 | if (tplg->ops) |
2105 | link->dobj.unload = tplg->ops->link_unload; |
2106 | list_add(new: &link->dobj.list, head: &tplg->comp->dobj_list); |
2107 | |
2108 | return 0; |
2109 | } |
2110 | |
2111 | |
2112 | /* Load physical link config elements from the topology context */ |
2113 | static int soc_tplg_link_elems_load(struct soc_tplg *tplg, |
2114 | struct snd_soc_tplg_hdr *hdr) |
2115 | { |
2116 | struct snd_soc_tplg_link_config *link, *_link; |
2117 | int count; |
2118 | int size; |
2119 | int i, ret; |
2120 | bool abi_match; |
2121 | |
2122 | count = le32_to_cpu(hdr->count); |
2123 | |
2124 | /* check the element size and count */ |
2125 | link = (struct snd_soc_tplg_link_config *)tplg->pos; |
2126 | size = le32_to_cpu(link->size); |
2127 | if (size > sizeof(struct snd_soc_tplg_link_config) |
2128 | || size < sizeof(struct snd_soc_tplg_link_config_v4)) { |
2129 | dev_err(tplg->dev, "ASoC: invalid size %d for physical link elems\n" , |
2130 | size); |
2131 | return -EINVAL; |
2132 | } |
2133 | |
2134 | if (soc_tplg_check_elem_count(tplg, elem_size: size, count, |
2135 | le32_to_cpu(hdr->payload_size), |
2136 | elem_type: "physical link config" )) |
2137 | return -EINVAL; |
2138 | |
2139 | /* config physical DAI links */ |
2140 | for (i = 0; i < count; i++) { |
2141 | link = (struct snd_soc_tplg_link_config *)tplg->pos; |
2142 | size = le32_to_cpu(link->size); |
2143 | if (size == sizeof(*link)) { |
2144 | abi_match = true; |
2145 | _link = link; |
2146 | } else { |
2147 | abi_match = false; |
2148 | ret = link_new_ver(tplg, src: link, link: &_link); |
2149 | if (ret < 0) |
2150 | return ret; |
2151 | } |
2152 | |
2153 | ret = soc_tplg_link_config(tplg, cfg: _link); |
2154 | if (ret < 0) { |
2155 | if (!abi_match) |
2156 | kfree(objp: _link); |
2157 | return ret; |
2158 | } |
2159 | |
2160 | /* offset by version-specific struct size and |
2161 | * real priv data size |
2162 | */ |
2163 | tplg->pos += size + le32_to_cpu(_link->priv.size); |
2164 | |
2165 | if (!abi_match) |
2166 | kfree(objp: _link); /* free the duplicated one */ |
2167 | } |
2168 | |
2169 | return 0; |
2170 | } |
2171 | |
2172 | /** |
2173 | * soc_tplg_dai_config - Find and configure an existing physical DAI. |
2174 | * @tplg: topology context |
2175 | * @d: physical DAI configs. |
2176 | * |
2177 | * The physical dai should already be registered by the platform driver. |
2178 | * The platform driver should specify the DAI name and ID for matching. |
2179 | */ |
2180 | static int soc_tplg_dai_config(struct soc_tplg *tplg, |
2181 | struct snd_soc_tplg_dai *d) |
2182 | { |
2183 | struct snd_soc_dai_link_component dai_component; |
2184 | struct snd_soc_dai *dai; |
2185 | struct snd_soc_dai_driver *dai_drv; |
2186 | struct snd_soc_pcm_stream *stream; |
2187 | struct snd_soc_tplg_stream_caps *caps; |
2188 | int ret; |
2189 | |
2190 | memset(&dai_component, 0, sizeof(dai_component)); |
2191 | |
2192 | dai_component.dai_name = d->dai_name; |
2193 | dai = snd_soc_find_dai(dlc: &dai_component); |
2194 | if (!dai) { |
2195 | dev_err(tplg->dev, "ASoC: physical DAI %s not registered\n" , |
2196 | d->dai_name); |
2197 | return -EINVAL; |
2198 | } |
2199 | |
2200 | if (le32_to_cpu(d->dai_id) != dai->id) { |
2201 | dev_err(tplg->dev, "ASoC: physical DAI %s id mismatch\n" , |
2202 | d->dai_name); |
2203 | return -EINVAL; |
2204 | } |
2205 | |
2206 | dai_drv = dai->driver; |
2207 | if (!dai_drv) |
2208 | return -EINVAL; |
2209 | |
2210 | if (d->playback) { |
2211 | stream = &dai_drv->playback; |
2212 | caps = &d->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; |
2213 | ret = set_stream_info(tplg, stream, caps); |
2214 | if (ret < 0) |
2215 | goto err; |
2216 | } |
2217 | |
2218 | if (d->capture) { |
2219 | stream = &dai_drv->capture; |
2220 | caps = &d->caps[SND_SOC_TPLG_STREAM_CAPTURE]; |
2221 | ret = set_stream_info(tplg, stream, caps); |
2222 | if (ret < 0) |
2223 | goto err; |
2224 | } |
2225 | |
2226 | if (d->flag_mask) |
2227 | set_dai_flags(dai_drv, |
2228 | le32_to_cpu(d->flag_mask), |
2229 | le32_to_cpu(d->flags)); |
2230 | |
2231 | /* pass control to component driver for optional further init */ |
2232 | ret = soc_tplg_dai_load(tplg, dai_drv, NULL, dai); |
2233 | if (ret < 0) { |
2234 | dev_err(tplg->dev, "ASoC: DAI loading failed\n" ); |
2235 | goto err; |
2236 | } |
2237 | |
2238 | return 0; |
2239 | |
2240 | err: |
2241 | return ret; |
2242 | } |
2243 | |
2244 | /* load physical DAI elements */ |
2245 | static int soc_tplg_dai_elems_load(struct soc_tplg *tplg, |
2246 | struct snd_soc_tplg_hdr *hdr) |
2247 | { |
2248 | int count; |
2249 | int i; |
2250 | |
2251 | count = le32_to_cpu(hdr->count); |
2252 | |
2253 | /* config the existing BE DAIs */ |
2254 | for (i = 0; i < count; i++) { |
2255 | struct snd_soc_tplg_dai *dai = (struct snd_soc_tplg_dai *)tplg->pos; |
2256 | int ret; |
2257 | |
2258 | if (le32_to_cpu(dai->size) != sizeof(*dai)) { |
2259 | dev_err(tplg->dev, "ASoC: invalid physical DAI size\n" ); |
2260 | return -EINVAL; |
2261 | } |
2262 | |
2263 | ret = soc_tplg_dai_config(tplg, d: dai); |
2264 | if (ret < 0) { |
2265 | dev_err(tplg->dev, "ASoC: failed to configure DAI\n" ); |
2266 | return ret; |
2267 | } |
2268 | |
2269 | tplg->pos += (sizeof(*dai) + le32_to_cpu(dai->priv.size)); |
2270 | } |
2271 | |
2272 | dev_dbg(tplg->dev, "ASoC: Configure %d BE DAIs\n" , count); |
2273 | return 0; |
2274 | } |
2275 | |
2276 | /** |
2277 | * manifest_new_ver - Create a new version of manifest from the old version |
2278 | * of source. |
2279 | * @tplg: topology context |
2280 | * @src: old version of manifest as a source |
2281 | * @manifest: latest version of manifest created from the source |
2282 | * |
2283 | * Support from version 4. Users need free the returned manifest manually. |
2284 | */ |
2285 | static int manifest_new_ver(struct soc_tplg *tplg, |
2286 | struct snd_soc_tplg_manifest *src, |
2287 | struct snd_soc_tplg_manifest **manifest) |
2288 | { |
2289 | struct snd_soc_tplg_manifest *dest; |
2290 | struct snd_soc_tplg_manifest_v4 *src_v4; |
2291 | int size; |
2292 | |
2293 | *manifest = NULL; |
2294 | |
2295 | size = le32_to_cpu(src->size); |
2296 | if (size != sizeof(*src_v4)) { |
2297 | dev_warn(tplg->dev, "ASoC: invalid manifest size %d\n" , |
2298 | size); |
2299 | if (size) |
2300 | return -EINVAL; |
2301 | src->size = cpu_to_le32(sizeof(*src_v4)); |
2302 | } |
2303 | |
2304 | dev_warn(tplg->dev, "ASoC: old version of manifest\n" ); |
2305 | |
2306 | src_v4 = (struct snd_soc_tplg_manifest_v4 *)src; |
2307 | dest = kzalloc(size: sizeof(*dest) + le32_to_cpu(src_v4->priv.size), |
2308 | GFP_KERNEL); |
2309 | if (!dest) |
2310 | return -ENOMEM; |
2311 | |
2312 | dest->size = cpu_to_le32(sizeof(*dest)); /* size of latest abi version */ |
2313 | dest->control_elems = src_v4->control_elems; |
2314 | dest->widget_elems = src_v4->widget_elems; |
2315 | dest->graph_elems = src_v4->graph_elems; |
2316 | dest->pcm_elems = src_v4->pcm_elems; |
2317 | dest->dai_link_elems = src_v4->dai_link_elems; |
2318 | dest->priv.size = src_v4->priv.size; |
2319 | if (dest->priv.size) |
2320 | memcpy(dest->priv.data, src_v4->priv.data, |
2321 | le32_to_cpu(src_v4->priv.size)); |
2322 | |
2323 | *manifest = dest; |
2324 | return 0; |
2325 | } |
2326 | |
2327 | static int soc_tplg_manifest_load(struct soc_tplg *tplg, |
2328 | struct snd_soc_tplg_hdr *hdr) |
2329 | { |
2330 | struct snd_soc_tplg_manifest *manifest, *_manifest; |
2331 | bool abi_match; |
2332 | int ret = 0; |
2333 | |
2334 | manifest = (struct snd_soc_tplg_manifest *)tplg->pos; |
2335 | |
2336 | /* check ABI version by size, create a new manifest if abi not match */ |
2337 | if (le32_to_cpu(manifest->size) == sizeof(*manifest)) { |
2338 | abi_match = true; |
2339 | _manifest = manifest; |
2340 | } else { |
2341 | abi_match = false; |
2342 | |
2343 | ret = manifest_new_ver(tplg, src: manifest, manifest: &_manifest); |
2344 | if (ret < 0) |
2345 | return ret; |
2346 | } |
2347 | |
2348 | /* pass control to component driver for optional further init */ |
2349 | if (tplg->ops && tplg->ops->manifest) |
2350 | ret = tplg->ops->manifest(tplg->comp, tplg->index, _manifest); |
2351 | |
2352 | if (!abi_match) /* free the duplicated one */ |
2353 | kfree(objp: _manifest); |
2354 | |
2355 | return ret; |
2356 | } |
2357 | |
2358 | /* validate header magic, size and type */ |
2359 | static int (struct soc_tplg *tplg, |
2360 | struct snd_soc_tplg_hdr *hdr) |
2361 | { |
2362 | if (le32_to_cpu(hdr->size) != sizeof(*hdr)) { |
2363 | dev_err(tplg->dev, |
2364 | "ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n" , |
2365 | le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg), |
2366 | tplg->fw->size); |
2367 | return -EINVAL; |
2368 | } |
2369 | |
2370 | if (soc_tplg_get_hdr_offset(tplg) + le32_to_cpu(hdr->payload_size) >= tplg->fw->size) { |
2371 | dev_err(tplg->dev, |
2372 | "ASoC: invalid header of type %d at offset %ld payload_size %d\n" , |
2373 | le32_to_cpu(hdr->type), soc_tplg_get_hdr_offset(tplg), |
2374 | hdr->payload_size); |
2375 | return -EINVAL; |
2376 | } |
2377 | |
2378 | /* big endian firmware objects not supported atm */ |
2379 | if (le32_to_cpu(hdr->magic) == SOC_TPLG_MAGIC_BIG_ENDIAN) { |
2380 | dev_err(tplg->dev, |
2381 | "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n" , |
2382 | tplg->pass, hdr->magic, |
2383 | soc_tplg_get_hdr_offset(tplg), tplg->fw->size); |
2384 | return -EINVAL; |
2385 | } |
2386 | |
2387 | if (le32_to_cpu(hdr->magic) != SND_SOC_TPLG_MAGIC) { |
2388 | dev_err(tplg->dev, |
2389 | "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n" , |
2390 | tplg->pass, hdr->magic, |
2391 | soc_tplg_get_hdr_offset(tplg), tplg->fw->size); |
2392 | return -EINVAL; |
2393 | } |
2394 | |
2395 | /* Support ABI from version 4 */ |
2396 | if (le32_to_cpu(hdr->abi) > SND_SOC_TPLG_ABI_VERSION || |
2397 | le32_to_cpu(hdr->abi) < SND_SOC_TPLG_ABI_VERSION_MIN) { |
2398 | dev_err(tplg->dev, |
2399 | "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n" , |
2400 | tplg->pass, hdr->abi, |
2401 | SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg), |
2402 | tplg->fw->size); |
2403 | return -EINVAL; |
2404 | } |
2405 | |
2406 | if (hdr->payload_size == 0) { |
2407 | dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n" , |
2408 | soc_tplg_get_hdr_offset(tplg)); |
2409 | return -EINVAL; |
2410 | } |
2411 | |
2412 | return 0; |
2413 | } |
2414 | |
2415 | /* check header type and call appropriate handler */ |
2416 | static int (struct soc_tplg *tplg, |
2417 | struct snd_soc_tplg_hdr *hdr) |
2418 | { |
2419 | int (*elem_load)(struct soc_tplg *tplg, |
2420 | struct snd_soc_tplg_hdr *hdr); |
2421 | unsigned int hdr_pass; |
2422 | |
2423 | tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr); |
2424 | |
2425 | tplg->index = le32_to_cpu(hdr->index); |
2426 | |
2427 | switch (le32_to_cpu(hdr->type)) { |
2428 | case SND_SOC_TPLG_TYPE_MIXER: |
2429 | case SND_SOC_TPLG_TYPE_ENUM: |
2430 | case SND_SOC_TPLG_TYPE_BYTES: |
2431 | hdr_pass = SOC_TPLG_PASS_CONTROL; |
2432 | elem_load = soc_tplg_kcontrol_elems_load; |
2433 | break; |
2434 | case SND_SOC_TPLG_TYPE_DAPM_GRAPH: |
2435 | hdr_pass = SOC_TPLG_PASS_GRAPH; |
2436 | elem_load = soc_tplg_dapm_graph_elems_load; |
2437 | break; |
2438 | case SND_SOC_TPLG_TYPE_DAPM_WIDGET: |
2439 | hdr_pass = SOC_TPLG_PASS_WIDGET; |
2440 | elem_load = soc_tplg_dapm_widget_elems_load; |
2441 | break; |
2442 | case SND_SOC_TPLG_TYPE_PCM: |
2443 | hdr_pass = SOC_TPLG_PASS_PCM_DAI; |
2444 | elem_load = soc_tplg_pcm_elems_load; |
2445 | break; |
2446 | case SND_SOC_TPLG_TYPE_DAI: |
2447 | hdr_pass = SOC_TPLG_PASS_BE_DAI; |
2448 | elem_load = soc_tplg_dai_elems_load; |
2449 | break; |
2450 | case SND_SOC_TPLG_TYPE_DAI_LINK: |
2451 | case SND_SOC_TPLG_TYPE_BACKEND_LINK: |
2452 | /* physical link configurations */ |
2453 | hdr_pass = SOC_TPLG_PASS_LINK; |
2454 | elem_load = soc_tplg_link_elems_load; |
2455 | break; |
2456 | case SND_SOC_TPLG_TYPE_MANIFEST: |
2457 | hdr_pass = SOC_TPLG_PASS_MANIFEST; |
2458 | elem_load = soc_tplg_manifest_load; |
2459 | break; |
2460 | default: |
2461 | /* bespoke vendor data object */ |
2462 | hdr_pass = SOC_TPLG_PASS_VENDOR; |
2463 | elem_load = soc_tplg_vendor_load; |
2464 | break; |
2465 | } |
2466 | |
2467 | if (tplg->pass == hdr_pass) { |
2468 | dev_dbg(tplg->dev, |
2469 | "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n" , |
2470 | hdr->payload_size, hdr->type, hdr->version, |
2471 | hdr->vendor_type, tplg->pass); |
2472 | return elem_load(tplg, hdr); |
2473 | } |
2474 | |
2475 | return 0; |
2476 | } |
2477 | |
2478 | /* process the topology file headers */ |
2479 | static int (struct soc_tplg *tplg) |
2480 | { |
2481 | int ret; |
2482 | |
2483 | /* process the header types from start to end */ |
2484 | for (tplg->pass = SOC_TPLG_PASS_START; tplg->pass <= SOC_TPLG_PASS_END; tplg->pass++) { |
2485 | struct snd_soc_tplg_hdr *hdr; |
2486 | |
2487 | tplg->hdr_pos = tplg->fw->data; |
2488 | hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; |
2489 | |
2490 | while (!soc_tplg_is_eof(tplg)) { |
2491 | |
2492 | /* make sure header is valid before loading */ |
2493 | ret = soc_tplg_valid_header(tplg, hdr); |
2494 | if (ret < 0) |
2495 | return ret; |
2496 | |
2497 | /* load the header object */ |
2498 | ret = soc_tplg_load_header(tplg, hdr); |
2499 | if (ret < 0) { |
2500 | if (ret != -EPROBE_DEFER) { |
2501 | dev_err(tplg->dev, |
2502 | "ASoC: topology: could not load header: %d\n" , |
2503 | ret); |
2504 | } |
2505 | return ret; |
2506 | } |
2507 | |
2508 | /* goto next header */ |
2509 | tplg->hdr_pos += le32_to_cpu(hdr->payload_size) + |
2510 | sizeof(struct snd_soc_tplg_hdr); |
2511 | hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; |
2512 | } |
2513 | |
2514 | } |
2515 | |
2516 | /* signal DAPM we are complete */ |
2517 | ret = soc_tplg_dapm_complete(tplg); |
2518 | |
2519 | return ret; |
2520 | } |
2521 | |
2522 | static int soc_tplg_load(struct soc_tplg *tplg) |
2523 | { |
2524 | int ret; |
2525 | |
2526 | ret = soc_tplg_process_headers(tplg); |
2527 | if (ret == 0) |
2528 | return soc_tplg_complete(tplg); |
2529 | |
2530 | return ret; |
2531 | } |
2532 | |
2533 | /* load audio component topology from "firmware" file */ |
2534 | int snd_soc_tplg_component_load(struct snd_soc_component *comp, |
2535 | struct snd_soc_tplg_ops *ops, const struct firmware *fw) |
2536 | { |
2537 | struct soc_tplg tplg; |
2538 | int ret; |
2539 | |
2540 | /* |
2541 | * check if we have sane parameters: |
2542 | * comp - needs to exist to keep and reference data while parsing |
2543 | * comp->card - used for setting card related parameters |
2544 | * comp->card->dev - used for resource management and prints |
2545 | * fw - we need it, as it is the very thing we parse |
2546 | */ |
2547 | if (!comp || !comp->card || !comp->card->dev || !fw) |
2548 | return -EINVAL; |
2549 | |
2550 | /* setup parsing context */ |
2551 | memset(&tplg, 0, sizeof(tplg)); |
2552 | tplg.fw = fw; |
2553 | tplg.dev = comp->card->dev; |
2554 | tplg.comp = comp; |
2555 | if (ops) { |
2556 | tplg.ops = ops; |
2557 | tplg.io_ops = ops->io_ops; |
2558 | tplg.io_ops_count = ops->io_ops_count; |
2559 | tplg.bytes_ext_ops = ops->bytes_ext_ops; |
2560 | tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count; |
2561 | } |
2562 | |
2563 | ret = soc_tplg_load(tplg: &tplg); |
2564 | /* free the created components if fail to load topology */ |
2565 | if (ret) |
2566 | snd_soc_tplg_component_remove(comp); |
2567 | |
2568 | return ret; |
2569 | } |
2570 | EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load); |
2571 | |
2572 | /* remove dynamic controls from the component driver */ |
2573 | int snd_soc_tplg_component_remove(struct snd_soc_component *comp) |
2574 | { |
2575 | struct snd_soc_dobj *dobj, *next_dobj; |
2576 | int pass; |
2577 | |
2578 | /* process the header types from end to start */ |
2579 | for (pass = SOC_TPLG_PASS_END; pass >= SOC_TPLG_PASS_START; pass--) { |
2580 | |
2581 | /* remove mixer controls */ |
2582 | list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, |
2583 | list) { |
2584 | |
2585 | switch (dobj->type) { |
2586 | case SND_SOC_DOBJ_BYTES: |
2587 | case SND_SOC_DOBJ_ENUM: |
2588 | case SND_SOC_DOBJ_MIXER: |
2589 | soc_tplg_remove_kcontrol(comp, dobj, pass); |
2590 | break; |
2591 | case SND_SOC_DOBJ_GRAPH: |
2592 | soc_tplg_remove_route(comp, dobj, pass); |
2593 | break; |
2594 | case SND_SOC_DOBJ_WIDGET: |
2595 | soc_tplg_remove_widget(comp, dobj, pass); |
2596 | break; |
2597 | case SND_SOC_DOBJ_PCM: |
2598 | soc_tplg_remove_dai(comp, dobj, pass); |
2599 | break; |
2600 | case SND_SOC_DOBJ_DAI_LINK: |
2601 | soc_tplg_remove_link(comp, dobj, pass); |
2602 | break; |
2603 | case SND_SOC_DOBJ_BACKEND_LINK: |
2604 | /* |
2605 | * call link_unload ops if extra |
2606 | * deinitialization is needed. |
2607 | */ |
2608 | remove_backend_link(comp, dobj, pass); |
2609 | break; |
2610 | default: |
2611 | dev_err(comp->dev, "ASoC: invalid component type %d for removal\n" , |
2612 | dobj->type); |
2613 | break; |
2614 | } |
2615 | } |
2616 | } |
2617 | |
2618 | /* let caller know if FW can be freed when no objects are left */ |
2619 | return !list_empty(head: &comp->dobj_list); |
2620 | } |
2621 | EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove); |
2622 | |