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8a978234 LG |
1 | /* |
2 | * soc-topology.c -- ALSA SoC Topology | |
3 | * | |
4 | * Copyright (C) 2012 Texas Instruments Inc. | |
5 | * Copyright (C) 2015 Intel Corporation. | |
6 | * | |
7 | * Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com> | |
8 | * K, Mythri P <mythri.p.k@intel.com> | |
9 | * Prusty, Subhransu S <subhransu.s.prusty@intel.com> | |
10 | * B, Jayachandran <jayachandran.b@intel.com> | |
11 | * Abdullah, Omair M <omair.m.abdullah@intel.com> | |
12 | * Jin, Yao <yao.jin@intel.com> | |
13 | * Lin, Mengdong <mengdong.lin@intel.com> | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify it | |
16 | * under the terms of the GNU General Public License as published by the | |
17 | * Free Software Foundation; either version 2 of the License, or (at your | |
18 | * option) any later version. | |
19 | * | |
20 | * Add support to read audio firmware topology alongside firmware text. The | |
21 | * topology data can contain kcontrols, DAPM graphs, widgets, DAIs, DAI links, | |
22 | * equalizers, firmware, coefficients etc. | |
23 | * | |
24 | * This file only manages the core ALSA and ASoC components, all other bespoke | |
25 | * firmware topology data is passed to component drivers for bespoke handling. | |
26 | */ | |
27 | ||
28 | #include <linux/kernel.h> | |
29 | #include <linux/export.h> | |
30 | #include <linux/list.h> | |
31 | #include <linux/firmware.h> | |
32 | #include <linux/slab.h> | |
33 | #include <sound/soc.h> | |
34 | #include <sound/soc-dapm.h> | |
35 | #include <sound/soc-topology.h> | |
36 | ||
37 | /* | |
38 | * We make several passes over the data (since it wont necessarily be ordered) | |
39 | * and process objects in the following order. This guarantees the component | |
40 | * drivers will be ready with any vendor data before the mixers and DAPM objects | |
41 | * are loaded (that may make use of the vendor data). | |
42 | */ | |
43 | #define SOC_TPLG_PASS_MANIFEST 0 | |
44 | #define SOC_TPLG_PASS_VENDOR 1 | |
45 | #define SOC_TPLG_PASS_MIXER 2 | |
46 | #define SOC_TPLG_PASS_WIDGET 3 | |
47 | #define SOC_TPLG_PASS_GRAPH 4 | |
48 | #define SOC_TPLG_PASS_PINS 5 | |
49 | #define SOC_TPLG_PASS_PCM_DAI 6 | |
50 | ||
51 | #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST | |
52 | #define SOC_TPLG_PASS_END SOC_TPLG_PASS_PCM_DAI | |
53 | ||
54 | struct soc_tplg { | |
55 | const struct firmware *fw; | |
56 | ||
57 | /* runtime FW parsing */ | |
58 | const u8 *pos; /* read postion */ | |
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 | u32 req_index; /* required index, only loaded/free matching blocks */ | |
67 | ||
68 | /* kcontrol operations */ | |
69 | const struct snd_soc_tplg_kcontrol_ops *io_ops; | |
70 | int io_ops_count; | |
71 | ||
72 | /* optional fw loading callbacks to component drivers */ | |
73 | struct snd_soc_tplg_ops *ops; | |
74 | }; | |
75 | ||
76 | static int soc_tplg_process_headers(struct soc_tplg *tplg); | |
77 | static void soc_tplg_complete(struct soc_tplg *tplg); | |
78 | struct snd_soc_dapm_widget * | |
79 | snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, | |
80 | const struct snd_soc_dapm_widget *widget); | |
81 | struct snd_soc_dapm_widget * | |
82 | snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, | |
83 | const struct snd_soc_dapm_widget *widget); | |
84 | ||
85 | /* check we dont overflow the data for this control chunk */ | |
86 | static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size, | |
87 | unsigned int count, size_t bytes, const char *elem_type) | |
88 | { | |
89 | const u8 *end = tplg->pos + elem_size * count; | |
90 | ||
91 | if (end > tplg->fw->data + tplg->fw->size) { | |
92 | dev_err(tplg->dev, "ASoC: %s overflow end of data\n", | |
93 | elem_type); | |
94 | return -EINVAL; | |
95 | } | |
96 | ||
97 | /* check there is enough room in chunk for control. | |
98 | extra bytes at the end of control are for vendor data here */ | |
99 | if (elem_size * count > bytes) { | |
100 | dev_err(tplg->dev, | |
101 | "ASoC: %s count %d of size %zu is bigger than chunk %zu\n", | |
102 | elem_type, count, elem_size, bytes); | |
103 | return -EINVAL; | |
104 | } | |
105 | ||
106 | return 0; | |
107 | } | |
108 | ||
109 | static inline int soc_tplg_is_eof(struct soc_tplg *tplg) | |
110 | { | |
111 | const u8 *end = tplg->hdr_pos; | |
112 | ||
113 | if (end >= tplg->fw->data + tplg->fw->size) | |
114 | return 1; | |
115 | return 0; | |
116 | } | |
117 | ||
118 | static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg) | |
119 | { | |
120 | return (unsigned long)(tplg->hdr_pos - tplg->fw->data); | |
121 | } | |
122 | ||
123 | static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg) | |
124 | { | |
125 | return (unsigned long)(tplg->pos - tplg->fw->data); | |
126 | } | |
127 | ||
128 | /* mapping of Kcontrol types and associated operations. */ | |
129 | static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { | |
130 | {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw, | |
131 | snd_soc_put_volsw, snd_soc_info_volsw}, | |
132 | {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx, | |
133 | snd_soc_put_volsw_sx, NULL}, | |
134 | {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double, | |
135 | snd_soc_put_enum_double, snd_soc_info_enum_double}, | |
136 | {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double, | |
137 | snd_soc_put_enum_double, NULL}, | |
138 | {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get, | |
139 | snd_soc_bytes_put, snd_soc_bytes_info}, | |
140 | {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range, | |
141 | snd_soc_put_volsw_range, snd_soc_info_volsw_range}, | |
142 | {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx, | |
143 | snd_soc_put_xr_sx, snd_soc_info_xr_sx}, | |
144 | {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, | |
145 | snd_soc_put_strobe, NULL}, | |
146 | {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, | |
147 | snd_soc_dapm_put_volsw, NULL}, | |
148 | {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, | |
149 | snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, | |
150 | {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, | |
151 | snd_soc_dapm_put_enum_double, NULL}, | |
152 | {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double, | |
153 | snd_soc_dapm_put_enum_double, NULL}, | |
154 | {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch, | |
155 | snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch}, | |
156 | }; | |
157 | ||
158 | struct soc_tplg_map { | |
159 | int uid; | |
160 | int kid; | |
161 | }; | |
162 | ||
163 | /* mapping of widget types from UAPI IDs to kernel IDs */ | |
164 | static const struct soc_tplg_map dapm_map[] = { | |
165 | {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input}, | |
166 | {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output}, | |
167 | {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux}, | |
168 | {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer}, | |
169 | {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga}, | |
170 | {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv}, | |
171 | {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc}, | |
172 | {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac}, | |
173 | {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch}, | |
174 | {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre}, | |
175 | {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post}, | |
176 | {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in}, | |
177 | {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out}, | |
178 | {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in}, | |
179 | {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out}, | |
180 | {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link}, | |
181 | }; | |
182 | ||
183 | static int tplc_chan_get_reg(struct soc_tplg *tplg, | |
184 | struct snd_soc_tplg_channel *chan, int map) | |
185 | { | |
186 | int i; | |
187 | ||
188 | for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { | |
189 | if (chan[i].id == map) | |
190 | return chan[i].reg; | |
191 | } | |
192 | ||
193 | return -EINVAL; | |
194 | } | |
195 | ||
196 | static int tplc_chan_get_shift(struct soc_tplg *tplg, | |
197 | struct snd_soc_tplg_channel *chan, int map) | |
198 | { | |
199 | int i; | |
200 | ||
201 | for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { | |
202 | if (chan[i].id == map) | |
203 | return chan[i].shift; | |
204 | } | |
205 | ||
206 | return -EINVAL; | |
207 | } | |
208 | ||
209 | static int get_widget_id(int tplg_type) | |
210 | { | |
211 | int i; | |
212 | ||
213 | for (i = 0; i < ARRAY_SIZE(dapm_map); i++) { | |
214 | if (tplg_type == dapm_map[i].uid) | |
215 | return dapm_map[i].kid; | |
216 | } | |
217 | ||
218 | return -EINVAL; | |
219 | } | |
220 | ||
221 | static enum snd_soc_dobj_type get_dobj_mixer_type( | |
222 | struct snd_soc_tplg_ctl_hdr *control_hdr) | |
223 | { | |
224 | if (control_hdr == NULL) | |
225 | return SND_SOC_DOBJ_NONE; | |
226 | ||
227 | switch (control_hdr->ops.info) { | |
228 | case SND_SOC_TPLG_CTL_VOLSW: | |
229 | case SND_SOC_TPLG_CTL_VOLSW_SX: | |
230 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: | |
231 | case SND_SOC_TPLG_CTL_RANGE: | |
232 | case SND_SOC_TPLG_CTL_STROBE: | |
233 | return SND_SOC_DOBJ_MIXER; | |
234 | case SND_SOC_TPLG_CTL_ENUM: | |
235 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
236 | return SND_SOC_DOBJ_ENUM; | |
237 | case SND_SOC_TPLG_CTL_BYTES: | |
238 | return SND_SOC_DOBJ_BYTES; | |
239 | default: | |
240 | return SND_SOC_DOBJ_NONE; | |
241 | } | |
242 | } | |
243 | ||
244 | static enum snd_soc_dobj_type get_dobj_type(struct snd_soc_tplg_hdr *hdr, | |
245 | struct snd_soc_tplg_ctl_hdr *control_hdr) | |
246 | { | |
247 | switch (hdr->type) { | |
248 | case SND_SOC_TPLG_TYPE_MIXER: | |
249 | return get_dobj_mixer_type(control_hdr); | |
250 | case SND_SOC_TPLG_TYPE_DAPM_GRAPH: | |
251 | case SND_SOC_TPLG_TYPE_MANIFEST: | |
252 | return SND_SOC_DOBJ_NONE; | |
253 | case SND_SOC_TPLG_TYPE_DAPM_WIDGET: | |
254 | return SND_SOC_DOBJ_WIDGET; | |
255 | case SND_SOC_TPLG_TYPE_DAI_LINK: | |
256 | return SND_SOC_DOBJ_DAI_LINK; | |
257 | case SND_SOC_TPLG_TYPE_PCM: | |
258 | return SND_SOC_DOBJ_PCM; | |
259 | case SND_SOC_TPLG_TYPE_CODEC_LINK: | |
260 | return SND_SOC_DOBJ_CODEC_LINK; | |
261 | default: | |
262 | return SND_SOC_DOBJ_NONE; | |
263 | } | |
264 | } | |
265 | ||
266 | static inline void soc_bind_err(struct soc_tplg *tplg, | |
267 | struct snd_soc_tplg_ctl_hdr *hdr, int index) | |
268 | { | |
269 | dev_err(tplg->dev, | |
270 | "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n", | |
271 | hdr->ops.get, hdr->ops.put, hdr->ops.info, index, | |
272 | soc_tplg_get_offset(tplg)); | |
273 | } | |
274 | ||
275 | static inline void soc_control_err(struct soc_tplg *tplg, | |
276 | struct snd_soc_tplg_ctl_hdr *hdr, const char *name) | |
277 | { | |
278 | dev_err(tplg->dev, | |
279 | "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n", | |
280 | name, hdr->ops.get, hdr->ops.put, hdr->ops.info, | |
281 | soc_tplg_get_offset(tplg)); | |
282 | } | |
283 | ||
284 | /* pass vendor data to component driver for processing */ | |
285 | static int soc_tplg_vendor_load_(struct soc_tplg *tplg, | |
286 | struct snd_soc_tplg_hdr *hdr) | |
287 | { | |
288 | int ret = 0; | |
289 | ||
290 | if (tplg->comp && tplg->ops && tplg->ops->vendor_load) | |
291 | ret = tplg->ops->vendor_load(tplg->comp, hdr); | |
292 | else { | |
293 | dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n", | |
294 | hdr->vendor_type); | |
295 | return -EINVAL; | |
296 | } | |
297 | ||
298 | if (ret < 0) | |
299 | dev_err(tplg->dev, | |
300 | "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n", | |
301 | soc_tplg_get_hdr_offset(tplg), | |
302 | soc_tplg_get_hdr_offset(tplg), | |
303 | hdr->type, hdr->vendor_type); | |
304 | return ret; | |
305 | } | |
306 | ||
307 | /* pass vendor data to component driver for processing */ | |
308 | static int soc_tplg_vendor_load(struct soc_tplg *tplg, | |
309 | struct snd_soc_tplg_hdr *hdr) | |
310 | { | |
311 | if (tplg->pass != SOC_TPLG_PASS_VENDOR) | |
312 | return 0; | |
313 | ||
314 | return soc_tplg_vendor_load_(tplg, hdr); | |
315 | } | |
316 | ||
317 | /* optionally pass new dynamic widget to component driver. This is mainly for | |
318 | * external widgets where we can assign private data/ops */ | |
319 | static int soc_tplg_widget_load(struct soc_tplg *tplg, | |
320 | struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) | |
321 | { | |
322 | if (tplg->comp && tplg->ops && tplg->ops->widget_load) | |
323 | return tplg->ops->widget_load(tplg->comp, w, tplg_w); | |
324 | ||
325 | return 0; | |
326 | } | |
327 | ||
328 | /* pass dynamic FEs configurations to component driver */ | |
329 | static int soc_tplg_pcm_dai_load(struct soc_tplg *tplg, | |
330 | struct snd_soc_tplg_pcm_dai *pcm_dai, int num_pcm_dai) | |
331 | { | |
332 | if (tplg->comp && tplg->ops && tplg->ops->pcm_dai_load) | |
333 | return tplg->ops->pcm_dai_load(tplg->comp, pcm_dai, num_pcm_dai); | |
334 | ||
335 | return 0; | |
336 | } | |
337 | ||
338 | /* tell the component driver that all firmware has been loaded in this request */ | |
339 | static void soc_tplg_complete(struct soc_tplg *tplg) | |
340 | { | |
341 | if (tplg->comp && tplg->ops && tplg->ops->complete) | |
342 | tplg->ops->complete(tplg->comp); | |
343 | } | |
344 | ||
345 | /* add a dynamic kcontrol */ | |
346 | static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev, | |
347 | const struct snd_kcontrol_new *control_new, const char *prefix, | |
348 | void *data, struct snd_kcontrol **kcontrol) | |
349 | { | |
350 | int err; | |
351 | ||
352 | *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix); | |
353 | if (*kcontrol == NULL) { | |
354 | dev_err(dev, "ASoC: Failed to create new kcontrol %s\n", | |
355 | control_new->name); | |
356 | return -ENOMEM; | |
357 | } | |
358 | ||
359 | err = snd_ctl_add(card, *kcontrol); | |
360 | if (err < 0) { | |
361 | dev_err(dev, "ASoC: Failed to add %s: %d\n", | |
362 | control_new->name, err); | |
363 | return err; | |
364 | } | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | /* add a dynamic kcontrol for component driver */ | |
370 | static int soc_tplg_add_kcontrol(struct soc_tplg *tplg, | |
371 | struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol) | |
372 | { | |
373 | struct snd_soc_component *comp = tplg->comp; | |
374 | ||
375 | return soc_tplg_add_dcontrol(comp->card->snd_card, | |
376 | comp->dev, k, NULL, comp, kcontrol); | |
377 | } | |
378 | ||
379 | /* remove a mixer kcontrol */ | |
380 | static void remove_mixer(struct snd_soc_component *comp, | |
381 | struct snd_soc_dobj *dobj, int pass) | |
382 | { | |
383 | struct snd_card *card = comp->card->snd_card; | |
384 | struct soc_mixer_control *sm = | |
385 | container_of(dobj, struct soc_mixer_control, dobj); | |
386 | const unsigned int *p = NULL; | |
387 | ||
388 | if (pass != SOC_TPLG_PASS_MIXER) | |
389 | return; | |
390 | ||
391 | if (dobj->ops && dobj->ops->control_unload) | |
392 | dobj->ops->control_unload(comp, dobj); | |
393 | ||
394 | if (sm->dobj.control.kcontrol->tlv.p) | |
395 | p = sm->dobj.control.kcontrol->tlv.p; | |
396 | snd_ctl_remove(card, sm->dobj.control.kcontrol); | |
397 | list_del(&sm->dobj.list); | |
398 | kfree(sm); | |
399 | kfree(p); | |
400 | } | |
401 | ||
402 | /* remove an enum kcontrol */ | |
403 | static void remove_enum(struct snd_soc_component *comp, | |
404 | struct snd_soc_dobj *dobj, int pass) | |
405 | { | |
406 | struct snd_card *card = comp->card->snd_card; | |
407 | struct soc_enum *se = container_of(dobj, struct soc_enum, dobj); | |
408 | int i; | |
409 | ||
410 | if (pass != SOC_TPLG_PASS_MIXER) | |
411 | return; | |
412 | ||
413 | if (dobj->ops && dobj->ops->control_unload) | |
414 | dobj->ops->control_unload(comp, dobj); | |
415 | ||
416 | snd_ctl_remove(card, se->dobj.control.kcontrol); | |
417 | list_del(&se->dobj.list); | |
418 | ||
419 | kfree(se->dobj.control.dvalues); | |
420 | for (i = 0; i < se->items; i++) | |
421 | kfree(se->dobj.control.dtexts[i]); | |
422 | kfree(se); | |
423 | } | |
424 | ||
425 | /* remove a byte kcontrol */ | |
426 | static void remove_bytes(struct snd_soc_component *comp, | |
427 | struct snd_soc_dobj *dobj, int pass) | |
428 | { | |
429 | struct snd_card *card = comp->card->snd_card; | |
430 | struct soc_bytes_ext *sb = | |
431 | container_of(dobj, struct soc_bytes_ext, dobj); | |
432 | ||
433 | if (pass != SOC_TPLG_PASS_MIXER) | |
434 | return; | |
435 | ||
436 | if (dobj->ops && dobj->ops->control_unload) | |
437 | dobj->ops->control_unload(comp, dobj); | |
438 | ||
439 | snd_ctl_remove(card, sb->dobj.control.kcontrol); | |
440 | list_del(&sb->dobj.list); | |
441 | kfree(sb); | |
442 | } | |
443 | ||
444 | /* remove a widget and it's kcontrols - routes must be removed first */ | |
445 | static void remove_widget(struct snd_soc_component *comp, | |
446 | struct snd_soc_dobj *dobj, int pass) | |
447 | { | |
448 | struct snd_card *card = comp->card->snd_card; | |
449 | struct snd_soc_dapm_widget *w = | |
450 | container_of(dobj, struct snd_soc_dapm_widget, dobj); | |
451 | int i; | |
452 | ||
453 | if (pass != SOC_TPLG_PASS_WIDGET) | |
454 | return; | |
455 | ||
456 | if (dobj->ops && dobj->ops->widget_unload) | |
457 | dobj->ops->widget_unload(comp, dobj); | |
458 | ||
459 | /* | |
460 | * Dynamic Widgets either have 1 enum kcontrol or 1..N mixers. | |
461 | * The enum may either have an array of values or strings. | |
462 | */ | |
463 | if (dobj->widget.kcontrol_enum) { | |
464 | /* enumerated widget mixer */ | |
465 | struct soc_enum *se = | |
466 | (struct soc_enum *)w->kcontrols[0]->private_value; | |
467 | ||
468 | snd_ctl_remove(card, w->kcontrols[0]); | |
469 | ||
470 | kfree(se->dobj.control.dvalues); | |
471 | for (i = 0; i < se->items; i++) | |
472 | kfree(se->dobj.control.dtexts[i]); | |
473 | ||
474 | kfree(se); | |
475 | kfree(w->kcontrol_news); | |
476 | } else { | |
477 | /* non enumerated widget mixer */ | |
478 | for (i = 0; i < w->num_kcontrols; i++) { | |
479 | struct snd_kcontrol *kcontrol = w->kcontrols[i]; | |
480 | struct soc_mixer_control *sm = | |
481 | (struct soc_mixer_control *) kcontrol->private_value; | |
482 | ||
483 | kfree(w->kcontrols[i]->tlv.p); | |
484 | ||
485 | snd_ctl_remove(card, w->kcontrols[i]); | |
486 | kfree(sm); | |
487 | } | |
488 | kfree(w->kcontrol_news); | |
489 | } | |
490 | /* widget w is freed by soc-dapm.c */ | |
491 | } | |
492 | ||
493 | /* remove PCM DAI configurations */ | |
494 | static void remove_pcm_dai(struct snd_soc_component *comp, | |
495 | struct snd_soc_dobj *dobj, int pass) | |
496 | { | |
497 | if (pass != SOC_TPLG_PASS_PCM_DAI) | |
498 | return; | |
499 | ||
500 | if (dobj->ops && dobj->ops->pcm_dai_unload) | |
501 | dobj->ops->pcm_dai_unload(comp, dobj); | |
502 | ||
503 | list_del(&dobj->list); | |
504 | kfree(dobj); | |
505 | } | |
506 | ||
507 | /* bind a kcontrol to it's IO handlers */ | |
508 | static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, | |
509 | struct snd_kcontrol_new *k, | |
510 | const struct snd_soc_tplg_kcontrol_ops *ops, int num_ops, | |
511 | const struct snd_soc_tplg_kcontrol_ops *bops, int num_bops) | |
512 | { | |
513 | int i; | |
514 | ||
515 | /* try and map standard kcontrols handler first */ | |
516 | for (i = 0; i < num_ops; i++) { | |
517 | ||
518 | if (ops[i].id == hdr->ops.put) | |
519 | k->put = ops[i].put; | |
520 | if (ops[i].id == hdr->ops.get) | |
521 | k->get = ops[i].get; | |
522 | if (ops[i].id == hdr->ops.info) | |
523 | k->info = ops[i].info; | |
524 | } | |
525 | ||
526 | /* standard handlers found ? */ | |
527 | if (k->put && k->get && k->info) | |
528 | return 0; | |
529 | ||
530 | /* none found so try bespoke handlers */ | |
531 | for (i = 0; i < num_bops; i++) { | |
532 | ||
533 | if (k->put == NULL && bops[i].id == hdr->ops.put) | |
534 | k->put = bops[i].put; | |
535 | if (k->get == NULL && bops[i].id == hdr->ops.get) | |
536 | k->get = bops[i].get; | |
537 | if (k->info == NULL && ops[i].id == hdr->ops.info) | |
538 | k->info = bops[i].info; | |
539 | } | |
540 | ||
541 | /* bespoke handlers found ? */ | |
542 | if (k->put && k->get && k->info) | |
543 | return 0; | |
544 | ||
545 | /* nothing to bind */ | |
546 | return -EINVAL; | |
547 | } | |
548 | ||
549 | /* bind a widgets to it's evnt handlers */ | |
550 | int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, | |
551 | const struct snd_soc_tplg_widget_events *events, | |
552 | int num_events, u16 event_type) | |
553 | { | |
554 | int i; | |
555 | ||
556 | w->event = NULL; | |
557 | ||
558 | for (i = 0; i < num_events; i++) { | |
559 | if (event_type == events[i].type) { | |
560 | ||
561 | /* found - so assign event */ | |
562 | w->event = events[i].event_handler; | |
563 | return 0; | |
564 | } | |
565 | } | |
566 | ||
567 | /* not found */ | |
568 | return -EINVAL; | |
569 | } | |
570 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event); | |
571 | ||
572 | /* optionally pass new dynamic kcontrol to component driver. */ | |
573 | static int soc_tplg_init_kcontrol(struct soc_tplg *tplg, | |
574 | struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr) | |
575 | { | |
576 | if (tplg->comp && tplg->ops && tplg->ops->control_load) | |
577 | return tplg->ops->control_load(tplg->comp, k, hdr); | |
578 | ||
579 | return 0; | |
580 | } | |
581 | ||
582 | static int soc_tplg_create_tlv(struct soc_tplg *tplg, | |
583 | struct snd_kcontrol_new *kc, u32 tlv_size) | |
584 | { | |
585 | struct snd_soc_tplg_ctl_tlv *tplg_tlv; | |
586 | struct snd_ctl_tlv *tlv; | |
587 | ||
588 | if (tlv_size == 0) | |
589 | return 0; | |
590 | ||
591 | tplg_tlv = (struct snd_soc_tplg_ctl_tlv *) tplg->pos; | |
592 | tplg->pos += tlv_size; | |
593 | ||
594 | tlv = kzalloc(sizeof(*tlv) + tlv_size, GFP_KERNEL); | |
595 | if (tlv == NULL) | |
596 | return -ENOMEM; | |
597 | ||
598 | dev_dbg(tplg->dev, " created TLV type %d size %d bytes\n", | |
599 | tplg_tlv->numid, tplg_tlv->size); | |
600 | ||
601 | tlv->numid = tplg_tlv->numid; | |
602 | tlv->length = tplg_tlv->size; | |
603 | memcpy(tlv->tlv, tplg_tlv + 1, tplg_tlv->size); | |
604 | kc->tlv.p = (void *)tlv; | |
605 | ||
606 | return 0; | |
607 | } | |
608 | ||
609 | static inline void soc_tplg_free_tlv(struct soc_tplg *tplg, | |
610 | struct snd_kcontrol_new *kc) | |
611 | { | |
612 | kfree(kc->tlv.p); | |
613 | } | |
614 | ||
615 | static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count, | |
616 | size_t size) | |
617 | { | |
618 | struct snd_soc_tplg_bytes_control *be; | |
619 | struct soc_bytes_ext *sbe; | |
620 | struct snd_kcontrol_new kc; | |
621 | int i, err; | |
622 | ||
623 | if (soc_tplg_check_elem_count(tplg, | |
624 | sizeof(struct snd_soc_tplg_bytes_control), count, | |
625 | size, "mixer bytes")) { | |
626 | dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n", | |
627 | count); | |
628 | return -EINVAL; | |
629 | } | |
630 | ||
631 | for (i = 0; i < count; i++) { | |
632 | be = (struct snd_soc_tplg_bytes_control *)tplg->pos; | |
633 | ||
634 | /* validate kcontrol */ | |
635 | if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
636 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
637 | return -EINVAL; | |
638 | ||
639 | sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); | |
640 | if (sbe == NULL) | |
641 | return -ENOMEM; | |
642 | ||
643 | tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + | |
644 | be->priv.size); | |
645 | ||
646 | dev_dbg(tplg->dev, | |
647 | "ASoC: adding bytes kcontrol %s with access 0x%x\n", | |
648 | be->hdr.name, be->hdr.access); | |
649 | ||
650 | memset(&kc, 0, sizeof(kc)); | |
651 | kc.name = be->hdr.name; | |
652 | kc.private_value = (long)sbe; | |
653 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
654 | kc.access = be->hdr.access; | |
655 | ||
656 | sbe->max = be->max; | |
657 | sbe->dobj.type = SND_SOC_DOBJ_BYTES; | |
658 | sbe->dobj.ops = tplg->ops; | |
659 | INIT_LIST_HEAD(&sbe->dobj.list); | |
660 | ||
661 | /* map io handlers */ | |
662 | err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, io_ops, | |
663 | ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count); | |
664 | if (err) { | |
665 | soc_control_err(tplg, &be->hdr, be->hdr.name); | |
666 | kfree(sbe); | |
667 | continue; | |
668 | } | |
669 | ||
670 | /* pass control to driver for optional further init */ | |
671 | err = soc_tplg_init_kcontrol(tplg, &kc, | |
672 | (struct snd_soc_tplg_ctl_hdr *)be); | |
673 | if (err < 0) { | |
674 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
675 | be->hdr.name); | |
676 | kfree(sbe); | |
677 | continue; | |
678 | } | |
679 | ||
680 | /* register control here */ | |
681 | err = soc_tplg_add_kcontrol(tplg, &kc, | |
682 | &sbe->dobj.control.kcontrol); | |
683 | if (err < 0) { | |
684 | dev_err(tplg->dev, "ASoC: failed to add %s\n", | |
685 | be->hdr.name); | |
686 | kfree(sbe); | |
687 | continue; | |
688 | } | |
689 | ||
690 | list_add(&sbe->dobj.list, &tplg->comp->dobj_list); | |
691 | } | |
692 | return 0; | |
693 | ||
694 | } | |
695 | ||
696 | static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count, | |
697 | size_t size) | |
698 | { | |
699 | struct snd_soc_tplg_mixer_control *mc; | |
700 | struct soc_mixer_control *sm; | |
701 | struct snd_kcontrol_new kc; | |
702 | int i, err; | |
703 | ||
704 | if (soc_tplg_check_elem_count(tplg, | |
705 | sizeof(struct snd_soc_tplg_mixer_control), | |
706 | count, size, "mixers")) { | |
707 | ||
708 | dev_err(tplg->dev, "ASoC: invalid count %d for controls\n", | |
709 | count); | |
710 | return -EINVAL; | |
711 | } | |
712 | ||
713 | for (i = 0; i < count; i++) { | |
714 | mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; | |
715 | ||
716 | /* validate kcontrol */ | |
717 | if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
718 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
719 | return -EINVAL; | |
720 | ||
721 | sm = kzalloc(sizeof(*sm), GFP_KERNEL); | |
722 | if (sm == NULL) | |
723 | return -ENOMEM; | |
724 | tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + | |
725 | mc->priv.size); | |
726 | ||
727 | dev_dbg(tplg->dev, | |
728 | "ASoC: adding mixer kcontrol %s with access 0x%x\n", | |
729 | mc->hdr.name, mc->hdr.access); | |
730 | ||
731 | memset(&kc, 0, sizeof(kc)); | |
732 | kc.name = mc->hdr.name; | |
733 | kc.private_value = (long)sm; | |
734 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
735 | kc.access = mc->hdr.access; | |
736 | ||
737 | /* we only support FL/FR channel mapping atm */ | |
738 | sm->reg = tplc_chan_get_reg(tplg, mc->channel, | |
739 | SNDRV_CHMAP_FL); | |
740 | sm->rreg = tplc_chan_get_reg(tplg, mc->channel, | |
741 | SNDRV_CHMAP_FR); | |
742 | sm->shift = tplc_chan_get_shift(tplg, mc->channel, | |
743 | SNDRV_CHMAP_FL); | |
744 | sm->rshift = tplc_chan_get_shift(tplg, mc->channel, | |
745 | SNDRV_CHMAP_FR); | |
746 | ||
747 | sm->max = mc->max; | |
748 | sm->min = mc->min; | |
749 | sm->invert = mc->invert; | |
750 | sm->platform_max = mc->platform_max; | |
751 | sm->dobj.index = tplg->index; | |
752 | sm->dobj.ops = tplg->ops; | |
753 | sm->dobj.type = SND_SOC_DOBJ_MIXER; | |
754 | INIT_LIST_HEAD(&sm->dobj.list); | |
755 | ||
756 | /* map io handlers */ | |
757 | err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, io_ops, | |
758 | ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count); | |
759 | if (err) { | |
760 | soc_control_err(tplg, &mc->hdr, mc->hdr.name); | |
761 | kfree(sm); | |
762 | continue; | |
763 | } | |
764 | ||
765 | /* pass control to driver for optional further init */ | |
766 | err = soc_tplg_init_kcontrol(tplg, &kc, | |
767 | (struct snd_soc_tplg_ctl_hdr *) mc); | |
768 | if (err < 0) { | |
769 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
770 | mc->hdr.name); | |
771 | kfree(sm); | |
772 | continue; | |
773 | } | |
774 | ||
775 | /* create any TLV data */ | |
776 | soc_tplg_create_tlv(tplg, &kc, mc->hdr.tlv_size); | |
777 | ||
778 | /* register control here */ | |
779 | err = soc_tplg_add_kcontrol(tplg, &kc, | |
780 | &sm->dobj.control.kcontrol); | |
781 | if (err < 0) { | |
782 | dev_err(tplg->dev, "ASoC: failed to add %s\n", | |
783 | mc->hdr.name); | |
784 | soc_tplg_free_tlv(tplg, &kc); | |
785 | kfree(sm); | |
786 | continue; | |
787 | } | |
788 | ||
789 | list_add(&sm->dobj.list, &tplg->comp->dobj_list); | |
790 | } | |
791 | ||
792 | return 0; | |
793 | } | |
794 | ||
795 | static int soc_tplg_denum_create_texts(struct soc_enum *se, | |
796 | struct snd_soc_tplg_enum_control *ec) | |
797 | { | |
798 | int i, ret; | |
799 | ||
800 | se->dobj.control.dtexts = | |
801 | kzalloc(sizeof(char *) * ec->items, GFP_KERNEL); | |
802 | if (se->dobj.control.dtexts == NULL) | |
803 | return -ENOMEM; | |
804 | ||
805 | for (i = 0; i < ec->items; i++) { | |
806 | ||
807 | if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
808 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { | |
809 | ret = -EINVAL; | |
810 | goto err; | |
811 | } | |
812 | ||
813 | se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL); | |
814 | if (!se->dobj.control.dtexts[i]) { | |
815 | ret = -ENOMEM; | |
816 | goto err; | |
817 | } | |
818 | } | |
819 | ||
820 | return 0; | |
821 | ||
822 | err: | |
823 | for (--i; i >= 0; i--) | |
824 | kfree(se->dobj.control.dtexts[i]); | |
825 | kfree(se->dobj.control.dtexts); | |
826 | return ret; | |
827 | } | |
828 | ||
829 | static int soc_tplg_denum_create_values(struct soc_enum *se, | |
830 | struct snd_soc_tplg_enum_control *ec) | |
831 | { | |
832 | if (ec->items > sizeof(*ec->values)) | |
833 | return -EINVAL; | |
834 | ||
835 | se->dobj.control.dvalues = | |
836 | kmalloc(ec->items * sizeof(u32), GFP_KERNEL); | |
837 | if (!se->dobj.control.dvalues) | |
838 | return -ENOMEM; | |
839 | ||
840 | memcpy(se->dobj.control.dvalues, ec->values, ec->items * sizeof(u32)); | |
841 | return 0; | |
842 | } | |
843 | ||
844 | static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count, | |
845 | size_t size) | |
846 | { | |
847 | struct snd_soc_tplg_enum_control *ec; | |
848 | struct soc_enum *se; | |
849 | struct snd_kcontrol_new kc; | |
850 | int i, ret, err; | |
851 | ||
852 | if (soc_tplg_check_elem_count(tplg, | |
853 | sizeof(struct snd_soc_tplg_enum_control), | |
854 | count, size, "enums")) { | |
855 | ||
856 | dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n", | |
857 | count); | |
858 | return -EINVAL; | |
859 | } | |
860 | ||
861 | for (i = 0; i < count; i++) { | |
862 | ec = (struct snd_soc_tplg_enum_control *)tplg->pos; | |
863 | tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + | |
864 | ec->priv.size); | |
865 | ||
866 | /* validate kcontrol */ | |
867 | if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
868 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
869 | return -EINVAL; | |
870 | ||
871 | se = kzalloc((sizeof(*se)), GFP_KERNEL); | |
872 | if (se == NULL) | |
873 | return -ENOMEM; | |
874 | ||
875 | dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n", | |
876 | ec->hdr.name, ec->items); | |
877 | ||
878 | memset(&kc, 0, sizeof(kc)); | |
879 | kc.name = ec->hdr.name; | |
880 | kc.private_value = (long)se; | |
881 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
882 | kc.access = ec->hdr.access; | |
883 | ||
884 | se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); | |
885 | se->shift_l = tplc_chan_get_shift(tplg, ec->channel, | |
886 | SNDRV_CHMAP_FL); | |
887 | se->shift_r = tplc_chan_get_shift(tplg, ec->channel, | |
888 | SNDRV_CHMAP_FL); | |
889 | ||
890 | se->items = ec->items; | |
891 | se->mask = ec->mask; | |
892 | se->dobj.index = tplg->index; | |
893 | se->dobj.type = SND_SOC_DOBJ_ENUM; | |
894 | se->dobj.ops = tplg->ops; | |
895 | INIT_LIST_HEAD(&se->dobj.list); | |
896 | ||
897 | switch (ec->hdr.ops.info) { | |
898 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
899 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
900 | err = soc_tplg_denum_create_values(se, ec); | |
901 | if (err < 0) { | |
902 | dev_err(tplg->dev, | |
903 | "ASoC: could not create values for %s\n", | |
904 | ec->hdr.name); | |
905 | kfree(se); | |
906 | continue; | |
907 | } | |
908 | /* fall through and create texts */ | |
909 | case SND_SOC_TPLG_CTL_ENUM: | |
910 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
911 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
912 | err = soc_tplg_denum_create_texts(se, ec); | |
913 | if (err < 0) { | |
914 | dev_err(tplg->dev, | |
915 | "ASoC: could not create texts for %s\n", | |
916 | ec->hdr.name); | |
917 | kfree(se); | |
918 | continue; | |
919 | } | |
920 | break; | |
921 | default: | |
922 | dev_err(tplg->dev, | |
923 | "ASoC: invalid enum control type %d for %s\n", | |
924 | ec->hdr.ops.info, ec->hdr.name); | |
925 | kfree(se); | |
926 | continue; | |
927 | } | |
928 | ||
929 | /* map io handlers */ | |
930 | err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, io_ops, | |
931 | ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count); | |
932 | if (err) { | |
933 | soc_control_err(tplg, &ec->hdr, ec->hdr.name); | |
934 | kfree(se); | |
935 | continue; | |
936 | } | |
937 | ||
938 | /* pass control to driver for optional further init */ | |
939 | err = soc_tplg_init_kcontrol(tplg, &kc, | |
940 | (struct snd_soc_tplg_ctl_hdr *) ec); | |
941 | if (err < 0) { | |
942 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
943 | ec->hdr.name); | |
944 | kfree(se); | |
945 | continue; | |
946 | } | |
947 | ||
948 | /* register control here */ | |
949 | ret = soc_tplg_add_kcontrol(tplg, | |
950 | &kc, &se->dobj.control.kcontrol); | |
951 | if (ret < 0) { | |
952 | dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n", | |
953 | ec->hdr.name); | |
954 | kfree(se); | |
955 | continue; | |
956 | } | |
957 | ||
958 | list_add(&se->dobj.list, &tplg->comp->dobj_list); | |
959 | } | |
960 | ||
961 | return 0; | |
962 | } | |
963 | ||
964 | static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg, | |
965 | struct snd_soc_tplg_hdr *hdr) | |
966 | { | |
967 | struct snd_soc_tplg_ctl_hdr *control_hdr; | |
968 | int i; | |
969 | ||
970 | if (tplg->pass != SOC_TPLG_PASS_MIXER) { | |
971 | tplg->pos += hdr->size + hdr->payload_size; | |
972 | return 0; | |
973 | } | |
974 | ||
975 | dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count, | |
976 | soc_tplg_get_offset(tplg)); | |
977 | ||
978 | for (i = 0; i < hdr->count; i++) { | |
979 | ||
980 | control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; | |
981 | ||
982 | switch (control_hdr->ops.info) { | |
983 | case SND_SOC_TPLG_CTL_VOLSW: | |
984 | case SND_SOC_TPLG_CTL_STROBE: | |
985 | case SND_SOC_TPLG_CTL_VOLSW_SX: | |
986 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: | |
987 | case SND_SOC_TPLG_CTL_RANGE: | |
988 | case SND_SOC_TPLG_DAPM_CTL_VOLSW: | |
989 | case SND_SOC_TPLG_DAPM_CTL_PIN: | |
990 | soc_tplg_dmixer_create(tplg, 1, hdr->payload_size); | |
991 | break; | |
992 | case SND_SOC_TPLG_CTL_ENUM: | |
993 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
994 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
995 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
996 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
997 | soc_tplg_denum_create(tplg, 1, hdr->payload_size); | |
998 | break; | |
999 | case SND_SOC_TPLG_CTL_BYTES: | |
1000 | soc_tplg_dbytes_create(tplg, 1, hdr->payload_size); | |
1001 | break; | |
1002 | default: | |
1003 | soc_bind_err(tplg, control_hdr, i); | |
1004 | return -EINVAL; | |
1005 | } | |
1006 | } | |
1007 | ||
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg, | |
1012 | struct snd_soc_tplg_hdr *hdr) | |
1013 | { | |
1014 | struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; | |
1015 | struct snd_soc_dapm_route route; | |
1016 | struct snd_soc_tplg_dapm_graph_elem *elem; | |
1017 | int count = hdr->count, i; | |
1018 | ||
1019 | if (tplg->pass != SOC_TPLG_PASS_GRAPH) { | |
1020 | tplg->pos += hdr->size + hdr->payload_size; | |
1021 | return 0; | |
1022 | } | |
1023 | ||
1024 | if (soc_tplg_check_elem_count(tplg, | |
1025 | sizeof(struct snd_soc_tplg_dapm_graph_elem), | |
1026 | count, hdr->payload_size, "graph")) { | |
1027 | ||
1028 | dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n", | |
1029 | count); | |
1030 | return -EINVAL; | |
1031 | } | |
1032 | ||
1033 | dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes\n", count); | |
1034 | ||
1035 | for (i = 0; i < count; i++) { | |
1036 | elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos; | |
1037 | tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem); | |
1038 | ||
1039 | /* validate routes */ | |
1040 | if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1041 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1042 | return -EINVAL; | |
1043 | if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1044 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1045 | return -EINVAL; | |
1046 | if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1047 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1048 | return -EINVAL; | |
1049 | ||
1050 | route.source = elem->source; | |
1051 | route.sink = elem->sink; | |
1052 | route.connected = NULL; /* set to NULL atm for tplg users */ | |
1053 | if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) | |
1054 | route.control = NULL; | |
1055 | else | |
1056 | route.control = elem->control; | |
1057 | ||
1058 | /* add route, but keep going if some fail */ | |
1059 | snd_soc_dapm_add_routes(dapm, &route, 1); | |
1060 | } | |
1061 | ||
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create( | |
1066 | struct soc_tplg *tplg, int num_kcontrols) | |
1067 | { | |
1068 | struct snd_kcontrol_new *kc; | |
1069 | struct soc_mixer_control *sm; | |
1070 | struct snd_soc_tplg_mixer_control *mc; | |
1071 | int i, err; | |
1072 | ||
1073 | kc = kzalloc(sizeof(*kc) * num_kcontrols, GFP_KERNEL); | |
1074 | if (kc == NULL) | |
1075 | return NULL; | |
1076 | ||
1077 | for (i = 0; i < num_kcontrols; i++) { | |
1078 | mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; | |
1079 | sm = kzalloc(sizeof(*sm), GFP_KERNEL); | |
1080 | if (sm == NULL) | |
1081 | goto err; | |
1082 | ||
1083 | tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + | |
1084 | mc->priv.size); | |
1085 | ||
1086 | /* validate kcontrol */ | |
1087 | if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1088 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1089 | goto err_str; | |
1090 | ||
1091 | dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n", | |
1092 | mc->hdr.name, i); | |
1093 | ||
1094 | kc[i].name = mc->hdr.name; | |
1095 | kc[i].private_value = (long)sm; | |
1096 | kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1097 | kc[i].access = mc->hdr.access; | |
1098 | ||
1099 | /* we only support FL/FR channel mapping atm */ | |
1100 | sm->reg = tplc_chan_get_reg(tplg, mc->channel, | |
1101 | SNDRV_CHMAP_FL); | |
1102 | sm->rreg = tplc_chan_get_reg(tplg, mc->channel, | |
1103 | SNDRV_CHMAP_FR); | |
1104 | sm->shift = tplc_chan_get_shift(tplg, mc->channel, | |
1105 | SNDRV_CHMAP_FL); | |
1106 | sm->rshift = tplc_chan_get_shift(tplg, mc->channel, | |
1107 | SNDRV_CHMAP_FR); | |
1108 | ||
1109 | sm->max = mc->max; | |
1110 | sm->min = mc->min; | |
1111 | sm->invert = mc->invert; | |
1112 | sm->platform_max = mc->platform_max; | |
1113 | sm->dobj.index = tplg->index; | |
1114 | INIT_LIST_HEAD(&sm->dobj.list); | |
1115 | ||
1116 | /* map io handlers */ | |
1117 | err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], io_ops, | |
1118 | ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count); | |
1119 | if (err) { | |
1120 | soc_control_err(tplg, &mc->hdr, mc->hdr.name); | |
1121 | kfree(sm); | |
1122 | continue; | |
1123 | } | |
1124 | ||
1125 | /* pass control to driver for optional further init */ | |
1126 | err = soc_tplg_init_kcontrol(tplg, &kc[i], | |
1127 | (struct snd_soc_tplg_ctl_hdr *)mc); | |
1128 | if (err < 0) { | |
1129 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
1130 | mc->hdr.name); | |
1131 | kfree(sm); | |
1132 | continue; | |
1133 | } | |
1134 | } | |
1135 | return kc; | |
1136 | ||
1137 | err_str: | |
1138 | kfree(sm); | |
1139 | err: | |
1140 | for (--i; i >= 0; i--) | |
1141 | kfree((void *)kc[i].private_value); | |
1142 | kfree(kc); | |
1143 | return NULL; | |
1144 | } | |
1145 | ||
1146 | static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create( | |
1147 | struct soc_tplg *tplg) | |
1148 | { | |
1149 | struct snd_kcontrol_new *kc; | |
1150 | struct snd_soc_tplg_enum_control *ec; | |
1151 | struct soc_enum *se; | |
1152 | int i, err; | |
1153 | ||
1154 | ec = (struct snd_soc_tplg_enum_control *)tplg->pos; | |
1155 | tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + | |
1156 | ec->priv.size); | |
1157 | ||
1158 | /* validate kcontrol */ | |
1159 | if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1160 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1161 | return NULL; | |
1162 | ||
1163 | kc = kzalloc(sizeof(*kc), GFP_KERNEL); | |
1164 | if (kc == NULL) | |
1165 | return NULL; | |
1166 | ||
1167 | se = kzalloc(sizeof(*se), GFP_KERNEL); | |
1168 | if (se == NULL) | |
1169 | goto err; | |
1170 | ||
1171 | dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n", | |
1172 | ec->hdr.name); | |
1173 | ||
1174 | kc->name = ec->hdr.name; | |
1175 | kc->private_value = (long)se; | |
1176 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1177 | kc->access = ec->hdr.access; | |
1178 | ||
1179 | /* we only support FL/FR channel mapping atm */ | |
1180 | se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); | |
1181 | se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL); | |
1182 | se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FR); | |
1183 | ||
1184 | se->items = ec->items; | |
1185 | se->mask = ec->mask; | |
1186 | se->dobj.index = tplg->index; | |
1187 | ||
1188 | switch (ec->hdr.ops.info) { | |
1189 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
1190 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
1191 | err = soc_tplg_denum_create_values(se, ec); | |
1192 | if (err < 0) { | |
1193 | dev_err(tplg->dev, "ASoC: could not create values for %s\n", | |
1194 | ec->hdr.name); | |
1195 | goto err_se; | |
1196 | } | |
1197 | /* fall through to create texts */ | |
1198 | case SND_SOC_TPLG_CTL_ENUM: | |
1199 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
1200 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
1201 | err = soc_tplg_denum_create_texts(se, ec); | |
1202 | if (err < 0) { | |
1203 | dev_err(tplg->dev, "ASoC: could not create texts for %s\n", | |
1204 | ec->hdr.name); | |
1205 | goto err_se; | |
1206 | } | |
1207 | break; | |
1208 | default: | |
1209 | dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n", | |
1210 | ec->hdr.ops.info, ec->hdr.name); | |
1211 | goto err_se; | |
1212 | } | |
1213 | ||
1214 | /* map io handlers */ | |
1215 | err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, io_ops, | |
1216 | ARRAY_SIZE(io_ops), tplg->io_ops, tplg->io_ops_count); | |
1217 | if (err) { | |
1218 | soc_control_err(tplg, &ec->hdr, ec->hdr.name); | |
1219 | goto err_se; | |
1220 | } | |
1221 | ||
1222 | /* pass control to driver for optional further init */ | |
1223 | err = soc_tplg_init_kcontrol(tplg, kc, | |
1224 | (struct snd_soc_tplg_ctl_hdr *)ec); | |
1225 | if (err < 0) { | |
1226 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
1227 | ec->hdr.name); | |
1228 | goto err_se; | |
1229 | } | |
1230 | ||
1231 | return kc; | |
1232 | ||
1233 | err_se: | |
1234 | /* free values and texts */ | |
1235 | kfree(se->dobj.control.dvalues); | |
1236 | for (i = 0; i < ec->items; i++) | |
1237 | kfree(se->dobj.control.dtexts[i]); | |
1238 | ||
1239 | kfree(se); | |
1240 | err: | |
1241 | kfree(kc); | |
1242 | ||
1243 | return NULL; | |
1244 | } | |
1245 | ||
1246 | static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create( | |
1247 | struct soc_tplg *tplg, int count) | |
1248 | { | |
1249 | struct snd_soc_tplg_bytes_control *be; | |
1250 | struct soc_bytes_ext *sbe; | |
1251 | struct snd_kcontrol_new *kc; | |
1252 | int i, err; | |
1253 | ||
1254 | kc = kzalloc(sizeof(*kc) * count, GFP_KERNEL); | |
1255 | if (!kc) | |
1256 | return NULL; | |
1257 | ||
1258 | for (i = 0; i < count; i++) { | |
1259 | be = (struct snd_soc_tplg_bytes_control *)tplg->pos; | |
1260 | ||
1261 | /* validate kcontrol */ | |
1262 | if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1263 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1264 | goto err; | |
1265 | ||
1266 | sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); | |
1267 | if (sbe == NULL) | |
1268 | goto err; | |
1269 | ||
1270 | tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + | |
1271 | be->priv.size); | |
1272 | ||
1273 | dev_dbg(tplg->dev, | |
1274 | "ASoC: adding bytes kcontrol %s with access 0x%x\n", | |
1275 | be->hdr.name, be->hdr.access); | |
1276 | ||
1277 | memset(kc, 0, sizeof(*kc)); | |
1278 | kc[i].name = be->hdr.name; | |
1279 | kc[i].private_value = (long)sbe; | |
1280 | kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1281 | kc[i].access = be->hdr.access; | |
1282 | ||
1283 | sbe->max = be->max; | |
1284 | INIT_LIST_HEAD(&sbe->dobj.list); | |
1285 | ||
1286 | /* map standard io handlers and check for external handlers */ | |
1287 | err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], io_ops, | |
1288 | ARRAY_SIZE(io_ops), tplg->io_ops, | |
1289 | tplg->io_ops_count); | |
1290 | if (err) { | |
1291 | soc_control_err(tplg, &be->hdr, be->hdr.name); | |
1292 | kfree(sbe); | |
1293 | continue; | |
1294 | } | |
1295 | ||
1296 | /* pass control to driver for optional further init */ | |
1297 | err = soc_tplg_init_kcontrol(tplg, &kc[i], | |
1298 | (struct snd_soc_tplg_ctl_hdr *)be); | |
1299 | if (err < 0) { | |
1300 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
1301 | be->hdr.name); | |
1302 | kfree(sbe); | |
1303 | continue; | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | return kc; | |
1308 | ||
1309 | err: | |
1310 | for (--i; i >= 0; i--) | |
1311 | kfree((void *)kc[i].private_value); | |
1312 | ||
1313 | kfree(kc); | |
1314 | return NULL; | |
1315 | } | |
1316 | ||
1317 | static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, | |
1318 | struct snd_soc_tplg_dapm_widget *w) | |
1319 | { | |
1320 | struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; | |
1321 | struct snd_soc_dapm_widget template, *widget; | |
1322 | struct snd_soc_tplg_ctl_hdr *control_hdr; | |
1323 | struct snd_soc_card *card = tplg->comp->card; | |
1324 | int ret = 0; | |
1325 | ||
1326 | if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1327 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1328 | return -EINVAL; | |
1329 | if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1330 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1331 | return -EINVAL; | |
1332 | ||
1333 | dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n", | |
1334 | w->name, w->id); | |
1335 | ||
1336 | memset(&template, 0, sizeof(template)); | |
1337 | ||
1338 | /* map user to kernel widget ID */ | |
1339 | template.id = get_widget_id(w->id); | |
1340 | if (template.id < 0) | |
1341 | return template.id; | |
1342 | ||
1343 | template.name = kstrdup(w->name, GFP_KERNEL); | |
1344 | if (!template.name) | |
1345 | return -ENOMEM; | |
1346 | template.sname = kstrdup(w->sname, GFP_KERNEL); | |
1347 | if (!template.sname) { | |
1348 | ret = -ENOMEM; | |
1349 | goto err; | |
1350 | } | |
1351 | template.reg = w->reg; | |
1352 | template.shift = w->shift; | |
1353 | template.mask = w->mask; | |
1354 | template.on_val = w->invert ? 0 : 1; | |
1355 | template.off_val = w->invert ? 1 : 0; | |
1356 | template.ignore_suspend = w->ignore_suspend; | |
1357 | template.event_flags = w->event_flags; | |
1358 | template.dobj.index = tplg->index; | |
1359 | ||
1360 | tplg->pos += | |
1361 | (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size); | |
1362 | if (w->num_kcontrols == 0) { | |
1363 | template.num_kcontrols = 0; | |
1364 | goto widget; | |
1365 | } | |
1366 | ||
1367 | control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; | |
1368 | dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n", | |
1369 | w->name, w->num_kcontrols, control_hdr->type); | |
1370 | ||
1371 | switch (control_hdr->ops.info) { | |
1372 | case SND_SOC_TPLG_CTL_VOLSW: | |
1373 | case SND_SOC_TPLG_CTL_STROBE: | |
1374 | case SND_SOC_TPLG_CTL_VOLSW_SX: | |
1375 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: | |
1376 | case SND_SOC_TPLG_CTL_RANGE: | |
1377 | case SND_SOC_TPLG_DAPM_CTL_VOLSW: | |
1378 | template.num_kcontrols = w->num_kcontrols; | |
1379 | template.kcontrol_news = | |
1380 | soc_tplg_dapm_widget_dmixer_create(tplg, | |
1381 | template.num_kcontrols); | |
1382 | if (!template.kcontrol_news) { | |
1383 | ret = -ENOMEM; | |
1384 | goto hdr_err; | |
1385 | } | |
1386 | break; | |
1387 | case SND_SOC_TPLG_CTL_ENUM: | |
1388 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
1389 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
1390 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
1391 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
1392 | template.dobj.widget.kcontrol_enum = 1; | |
1393 | template.num_kcontrols = 1; | |
1394 | template.kcontrol_news = | |
1395 | soc_tplg_dapm_widget_denum_create(tplg); | |
1396 | if (!template.kcontrol_news) { | |
1397 | ret = -ENOMEM; | |
1398 | goto hdr_err; | |
1399 | } | |
1400 | break; | |
1401 | case SND_SOC_TPLG_CTL_BYTES: | |
1402 | template.num_kcontrols = w->num_kcontrols; | |
1403 | template.kcontrol_news = | |
1404 | soc_tplg_dapm_widget_dbytes_create(tplg, | |
1405 | template.num_kcontrols); | |
1406 | if (!template.kcontrol_news) { | |
1407 | ret = -ENOMEM; | |
1408 | goto hdr_err; | |
1409 | } | |
1410 | break; | |
1411 | default: | |
1412 | dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n", | |
1413 | control_hdr->ops.get, control_hdr->ops.put, | |
1414 | control_hdr->ops.info); | |
1415 | ret = -EINVAL; | |
1416 | goto hdr_err; | |
1417 | } | |
1418 | ||
1419 | widget: | |
1420 | ret = soc_tplg_widget_load(tplg, &template, 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 (card->instantiated) | |
1427 | widget = snd_soc_dapm_new_control(dapm, &template); | |
1428 | else | |
1429 | widget = snd_soc_dapm_new_control_unlocked(dapm, &template); | |
1430 | if (widget == NULL) { | |
1431 | dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n", | |
1432 | w->name); | |
1433 | goto hdr_err; | |
1434 | } | |
1435 | ||
1436 | widget->dobj.type = SND_SOC_DOBJ_WIDGET; | |
1437 | widget->dobj.ops = tplg->ops; | |
1438 | widget->dobj.index = tplg->index; | |
1439 | list_add(&widget->dobj.list, &tplg->comp->dobj_list); | |
1440 | return 0; | |
1441 | ||
1442 | hdr_err: | |
1443 | kfree(template.sname); | |
1444 | err: | |
1445 | kfree(template.name); | |
1446 | return ret; | |
1447 | } | |
1448 | ||
1449 | static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg, | |
1450 | struct snd_soc_tplg_hdr *hdr) | |
1451 | { | |
1452 | struct snd_soc_tplg_dapm_widget *widget; | |
1453 | int ret, count = hdr->count, i; | |
1454 | ||
1455 | if (tplg->pass != SOC_TPLG_PASS_WIDGET) | |
1456 | return 0; | |
1457 | ||
1458 | dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count); | |
1459 | ||
1460 | for (i = 0; i < count; i++) { | |
1461 | widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos; | |
1462 | ret = soc_tplg_dapm_widget_create(tplg, widget); | |
1463 | if (ret < 0) | |
1464 | dev_err(tplg->dev, "ASoC: failed to load widget %s\n", | |
1465 | widget->name); | |
1466 | } | |
1467 | ||
1468 | return 0; | |
1469 | } | |
1470 | ||
1471 | static int soc_tplg_dapm_complete(struct soc_tplg *tplg) | |
1472 | { | |
1473 | struct snd_soc_card *card = tplg->comp->card; | |
1474 | int ret; | |
1475 | ||
1476 | /* Card might not have been registered at this point. | |
1477 | * If so, just return success. | |
1478 | */ | |
1479 | if (!card || !card->instantiated) { | |
1480 | dev_warn(tplg->dev, "ASoC: Parent card not yet available," | |
1481 | "Do not add new widgets now\n"); | |
1482 | return 0; | |
1483 | } | |
1484 | ||
1485 | ret = snd_soc_dapm_new_widgets(card); | |
1486 | if (ret < 0) | |
1487 | dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n", | |
1488 | ret); | |
1489 | ||
1490 | return 0; | |
1491 | } | |
1492 | ||
1493 | static int soc_tplg_pcm_dai_elems_load(struct soc_tplg *tplg, | |
1494 | struct snd_soc_tplg_hdr *hdr) | |
1495 | { | |
1496 | struct snd_soc_tplg_pcm_dai *pcm_dai; | |
1497 | struct snd_soc_dobj *dobj; | |
1498 | int count = hdr->count; | |
1499 | int ret; | |
1500 | ||
1501 | if (tplg->pass != SOC_TPLG_PASS_PCM_DAI) | |
1502 | return 0; | |
1503 | ||
1504 | pcm_dai = (struct snd_soc_tplg_pcm_dai *)tplg->pos; | |
1505 | ||
1506 | if (soc_tplg_check_elem_count(tplg, | |
1507 | sizeof(struct snd_soc_tplg_pcm_dai), count, | |
1508 | hdr->payload_size, "PCM DAI")) { | |
1509 | dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n", | |
1510 | count); | |
1511 | return -EINVAL; | |
1512 | } | |
1513 | ||
1514 | dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count); | |
1515 | tplg->pos += sizeof(struct snd_soc_tplg_pcm_dai) * count; | |
1516 | ||
1517 | dobj = kzalloc(sizeof(struct snd_soc_dobj), GFP_KERNEL); | |
1518 | if (dobj == NULL) | |
1519 | return -ENOMEM; | |
1520 | ||
1521 | /* Call the platform driver call back to register the dais */ | |
1522 | ret = soc_tplg_pcm_dai_load(tplg, pcm_dai, count); | |
1523 | if (ret < 0) { | |
1524 | dev_err(tplg->comp->dev, "ASoC: PCM DAI loading failed\n"); | |
1525 | goto err; | |
1526 | } | |
1527 | ||
1528 | dobj->type = get_dobj_type(hdr, NULL); | |
1529 | dobj->pcm_dai.count = count; | |
1530 | dobj->pcm_dai.pd = pcm_dai; | |
1531 | dobj->ops = tplg->ops; | |
1532 | dobj->index = tplg->index; | |
1533 | list_add(&dobj->list, &tplg->comp->dobj_list); | |
1534 | return 0; | |
1535 | ||
1536 | err: | |
1537 | kfree(dobj); | |
1538 | return ret; | |
1539 | } | |
1540 | ||
1541 | static int soc_tplg_manifest_load(struct soc_tplg *tplg, | |
1542 | struct snd_soc_tplg_hdr *hdr) | |
1543 | { | |
1544 | struct snd_soc_tplg_manifest *manifest; | |
1545 | ||
1546 | if (tplg->pass != SOC_TPLG_PASS_MANIFEST) | |
1547 | return 0; | |
1548 | ||
1549 | manifest = (struct snd_soc_tplg_manifest *)tplg->pos; | |
1550 | tplg->pos += sizeof(struct snd_soc_tplg_manifest); | |
1551 | ||
1552 | if (tplg->comp && tplg->ops && tplg->ops->manifest) | |
1553 | return tplg->ops->manifest(tplg->comp, manifest); | |
1554 | ||
1555 | dev_err(tplg->dev, "ASoC: Firmware manifest not supported\n"); | |
1556 | return 0; | |
1557 | } | |
1558 | ||
1559 | /* validate header magic, size and type */ | |
1560 | static int soc_valid_header(struct soc_tplg *tplg, | |
1561 | struct snd_soc_tplg_hdr *hdr) | |
1562 | { | |
1563 | if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size) | |
1564 | return 0; | |
1565 | ||
1566 | /* big endian firmware objects not supported atm */ | |
1567 | if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) { | |
1568 | dev_err(tplg->dev, | |
1569 | "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n", | |
1570 | tplg->pass, hdr->magic, | |
1571 | soc_tplg_get_hdr_offset(tplg), tplg->fw->size); | |
1572 | return -EINVAL; | |
1573 | } | |
1574 | ||
1575 | if (hdr->magic != SND_SOC_TPLG_MAGIC) { | |
1576 | dev_err(tplg->dev, | |
1577 | "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n", | |
1578 | tplg->pass, hdr->magic, | |
1579 | soc_tplg_get_hdr_offset(tplg), tplg->fw->size); | |
1580 | return -EINVAL; | |
1581 | } | |
1582 | ||
1583 | if (hdr->abi != SND_SOC_TPLG_ABI_VERSION) { | |
1584 | dev_err(tplg->dev, | |
1585 | "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n", | |
1586 | tplg->pass, hdr->abi, | |
1587 | SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg), | |
1588 | tplg->fw->size); | |
1589 | return -EINVAL; | |
1590 | } | |
1591 | ||
1592 | if (hdr->payload_size == 0) { | |
1593 | dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n", | |
1594 | soc_tplg_get_hdr_offset(tplg)); | |
1595 | return -EINVAL; | |
1596 | } | |
1597 | ||
1598 | if (tplg->pass == hdr->type) | |
1599 | dev_dbg(tplg->dev, | |
1600 | "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n", | |
1601 | hdr->payload_size, hdr->type, hdr->version, | |
1602 | hdr->vendor_type, tplg->pass); | |
1603 | ||
1604 | return 1; | |
1605 | } | |
1606 | ||
1607 | /* check header type and call appropriate handler */ | |
1608 | static int soc_tplg_load_header(struct soc_tplg *tplg, | |
1609 | struct snd_soc_tplg_hdr *hdr) | |
1610 | { | |
1611 | tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr); | |
1612 | ||
1613 | /* check for matching ID */ | |
1614 | if (hdr->index != tplg->req_index && | |
1615 | hdr->index != SND_SOC_TPLG_INDEX_ALL) | |
1616 | return 0; | |
1617 | ||
1618 | tplg->index = hdr->index; | |
1619 | ||
1620 | switch (hdr->type) { | |
1621 | case SND_SOC_TPLG_TYPE_MIXER: | |
1622 | case SND_SOC_TPLG_TYPE_ENUM: | |
1623 | case SND_SOC_TPLG_TYPE_BYTES: | |
1624 | return soc_tplg_kcontrol_elems_load(tplg, hdr); | |
1625 | case SND_SOC_TPLG_TYPE_DAPM_GRAPH: | |
1626 | return soc_tplg_dapm_graph_elems_load(tplg, hdr); | |
1627 | case SND_SOC_TPLG_TYPE_DAPM_WIDGET: | |
1628 | return soc_tplg_dapm_widget_elems_load(tplg, hdr); | |
1629 | case SND_SOC_TPLG_TYPE_PCM: | |
1630 | case SND_SOC_TPLG_TYPE_DAI_LINK: | |
1631 | case SND_SOC_TPLG_TYPE_CODEC_LINK: | |
1632 | return soc_tplg_pcm_dai_elems_load(tplg, hdr); | |
1633 | case SND_SOC_TPLG_TYPE_MANIFEST: | |
1634 | return soc_tplg_manifest_load(tplg, hdr); | |
1635 | default: | |
1636 | /* bespoke vendor data object */ | |
1637 | return soc_tplg_vendor_load(tplg, hdr); | |
1638 | } | |
1639 | ||
1640 | return 0; | |
1641 | } | |
1642 | ||
1643 | /* process the topology file headers */ | |
1644 | static int soc_tplg_process_headers(struct soc_tplg *tplg) | |
1645 | { | |
1646 | struct snd_soc_tplg_hdr *hdr; | |
1647 | int ret; | |
1648 | ||
1649 | tplg->pass = SOC_TPLG_PASS_START; | |
1650 | ||
1651 | /* process the header types from start to end */ | |
1652 | while (tplg->pass <= SOC_TPLG_PASS_END) { | |
1653 | ||
1654 | tplg->hdr_pos = tplg->fw->data; | |
1655 | hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; | |
1656 | ||
1657 | while (!soc_tplg_is_eof(tplg)) { | |
1658 | ||
1659 | /* make sure header is valid before loading */ | |
1660 | ret = soc_valid_header(tplg, hdr); | |
1661 | if (ret < 0) | |
1662 | return ret; | |
1663 | else if (ret == 0) | |
1664 | break; | |
1665 | ||
1666 | /* load the header object */ | |
1667 | ret = soc_tplg_load_header(tplg, hdr); | |
1668 | if (ret < 0) | |
1669 | return ret; | |
1670 | ||
1671 | /* goto next header */ | |
1672 | tplg->hdr_pos += hdr->payload_size + | |
1673 | sizeof(struct snd_soc_tplg_hdr); | |
1674 | hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; | |
1675 | } | |
1676 | ||
1677 | /* next data type pass */ | |
1678 | tplg->pass++; | |
1679 | } | |
1680 | ||
1681 | /* signal DAPM we are complete */ | |
1682 | ret = soc_tplg_dapm_complete(tplg); | |
1683 | if (ret < 0) | |
1684 | dev_err(tplg->dev, | |
1685 | "ASoC: failed to initialise DAPM from Firmware\n"); | |
1686 | ||
1687 | return ret; | |
1688 | } | |
1689 | ||
1690 | static int soc_tplg_load(struct soc_tplg *tplg) | |
1691 | { | |
1692 | int ret; | |
1693 | ||
1694 | ret = soc_tplg_process_headers(tplg); | |
1695 | if (ret == 0) | |
1696 | soc_tplg_complete(tplg); | |
1697 | ||
1698 | return ret; | |
1699 | } | |
1700 | ||
1701 | /* load audio component topology from "firmware" file */ | |
1702 | int snd_soc_tplg_component_load(struct snd_soc_component *comp, | |
1703 | struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id) | |
1704 | { | |
1705 | struct soc_tplg tplg; | |
1706 | ||
1707 | /* setup parsing context */ | |
1708 | memset(&tplg, 0, sizeof(tplg)); | |
1709 | tplg.fw = fw; | |
1710 | tplg.dev = comp->dev; | |
1711 | tplg.comp = comp; | |
1712 | tplg.ops = ops; | |
1713 | tplg.req_index = id; | |
1714 | tplg.io_ops = ops->io_ops; | |
1715 | tplg.io_ops_count = ops->io_ops_count; | |
1716 | ||
1717 | return soc_tplg_load(&tplg); | |
1718 | } | |
1719 | EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load); | |
1720 | ||
1721 | /* remove this dynamic widget */ | |
1722 | void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w) | |
1723 | { | |
1724 | /* make sure we are a widget */ | |
1725 | if (w->dobj.type != SND_SOC_DOBJ_WIDGET) | |
1726 | return; | |
1727 | ||
1728 | remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET); | |
1729 | } | |
1730 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove); | |
1731 | ||
1732 | /* remove all dynamic widgets from this DAPM context */ | |
1733 | void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm, | |
1734 | u32 index) | |
1735 | { | |
1736 | struct snd_soc_dapm_widget *w, *next_w; | |
1737 | struct snd_soc_dapm_path *p, *next_p; | |
1738 | ||
1739 | list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) { | |
1740 | ||
1741 | /* make sure we are a widget with correct context */ | |
1742 | if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm) | |
1743 | continue; | |
1744 | ||
1745 | /* match ID */ | |
1746 | if (w->dobj.index != index && | |
1747 | w->dobj.index != SND_SOC_TPLG_INDEX_ALL) | |
1748 | continue; | |
1749 | ||
1750 | list_del(&w->list); | |
1751 | ||
1752 | /* | |
1753 | * remove source and sink paths associated to this widget. | |
1754 | * While removing the path, remove reference to it from both | |
1755 | * source and sink widgets so that path is removed only once. | |
1756 | */ | |
1757 | list_for_each_entry_safe(p, next_p, &w->sources, list_sink) { | |
1758 | list_del(&p->list_sink); | |
1759 | list_del(&p->list_source); | |
1760 | list_del(&p->list); | |
1761 | kfree(p); | |
1762 | } | |
1763 | list_for_each_entry_safe(p, next_p, &w->sinks, list_source) { | |
1764 | list_del(&p->list_sink); | |
1765 | list_del(&p->list_source); | |
1766 | list_del(&p->list); | |
1767 | kfree(p); | |
1768 | } | |
1769 | /* check and free and dynamic widget kcontrols */ | |
1770 | snd_soc_tplg_widget_remove(w); | |
1771 | kfree(w->kcontrols); | |
1772 | kfree(w->name); | |
1773 | kfree(w); | |
1774 | } | |
1775 | } | |
1776 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all); | |
1777 | ||
1778 | /* remove dynamic controls from the component driver */ | |
1779 | int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) | |
1780 | { | |
1781 | struct snd_soc_dobj *dobj, *next_dobj; | |
1782 | int pass = SOC_TPLG_PASS_END; | |
1783 | ||
1784 | /* process the header types from end to start */ | |
1785 | while (pass >= SOC_TPLG_PASS_START) { | |
1786 | ||
1787 | /* remove mixer controls */ | |
1788 | list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, | |
1789 | list) { | |
1790 | ||
1791 | /* match index */ | |
1792 | if (dobj->index != index && | |
1793 | dobj->index != SND_SOC_TPLG_INDEX_ALL) | |
1794 | continue; | |
1795 | ||
1796 | switch (dobj->type) { | |
1797 | case SND_SOC_DOBJ_MIXER: | |
1798 | remove_mixer(comp, dobj, pass); | |
1799 | break; | |
1800 | case SND_SOC_DOBJ_ENUM: | |
1801 | remove_enum(comp, dobj, pass); | |
1802 | break; | |
1803 | case SND_SOC_DOBJ_BYTES: | |
1804 | remove_bytes(comp, dobj, pass); | |
1805 | break; | |
1806 | case SND_SOC_DOBJ_WIDGET: | |
1807 | remove_widget(comp, dobj, pass); | |
1808 | break; | |
1809 | case SND_SOC_DOBJ_PCM: | |
1810 | case SND_SOC_DOBJ_DAI_LINK: | |
1811 | case SND_SOC_DOBJ_CODEC_LINK: | |
1812 | remove_pcm_dai(comp, dobj, pass); | |
1813 | break; | |
1814 | default: | |
1815 | dev_err(comp->dev, "ASoC: invalid component type %d for removal\n", | |
1816 | dobj->type); | |
1817 | break; | |
1818 | } | |
1819 | } | |
1820 | pass--; | |
1821 | } | |
1822 | ||
1823 | /* let caller know if FW can be freed when no objects are left */ | |
1824 | return !list_empty(&comp->dobj_list); | |
1825 | } | |
1826 | EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove); |