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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> | |
28a87eeb | 36 | #include <sound/tlv.h> |
8a978234 LG |
37 | |
38 | /* | |
39 | * We make several passes over the data (since it wont necessarily be ordered) | |
40 | * and process objects in the following order. This guarantees the component | |
41 | * drivers will be ready with any vendor data before the mixers and DAPM objects | |
42 | * are loaded (that may make use of the vendor data). | |
43 | */ | |
44 | #define SOC_TPLG_PASS_MANIFEST 0 | |
45 | #define SOC_TPLG_PASS_VENDOR 1 | |
46 | #define SOC_TPLG_PASS_MIXER 2 | |
47 | #define SOC_TPLG_PASS_WIDGET 3 | |
1a8e7fab ML |
48 | #define SOC_TPLG_PASS_PCM_DAI 4 |
49 | #define SOC_TPLG_PASS_GRAPH 5 | |
50 | #define SOC_TPLG_PASS_PINS 6 | |
8a978234 LG |
51 | |
52 | #define SOC_TPLG_PASS_START SOC_TPLG_PASS_MANIFEST | |
1a8e7fab | 53 | #define SOC_TPLG_PASS_END SOC_TPLG_PASS_PINS |
8a978234 LG |
54 | |
55 | struct soc_tplg { | |
56 | const struct firmware *fw; | |
57 | ||
58 | /* runtime FW parsing */ | |
59 | const u8 *pos; /* read postion */ | |
60 | const u8 *hdr_pos; /* header position */ | |
61 | unsigned int pass; /* pass number */ | |
62 | ||
63 | /* component caller */ | |
64 | struct device *dev; | |
65 | struct snd_soc_component *comp; | |
66 | u32 index; /* current block index */ | |
67 | u32 req_index; /* required index, only loaded/free matching blocks */ | |
68 | ||
88a17d8f | 69 | /* vendor specific kcontrol operations */ |
8a978234 LG |
70 | const struct snd_soc_tplg_kcontrol_ops *io_ops; |
71 | int io_ops_count; | |
72 | ||
1a3232d2 ML |
73 | /* vendor specific bytes ext handlers, for TLV bytes controls */ |
74 | const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops; | |
75 | int bytes_ext_ops_count; | |
76 | ||
8a978234 LG |
77 | /* optional fw loading callbacks to component drivers */ |
78 | struct snd_soc_tplg_ops *ops; | |
79 | }; | |
80 | ||
81 | static int soc_tplg_process_headers(struct soc_tplg *tplg); | |
82 | static void soc_tplg_complete(struct soc_tplg *tplg); | |
83 | struct snd_soc_dapm_widget * | |
84 | snd_soc_dapm_new_control_unlocked(struct snd_soc_dapm_context *dapm, | |
85 | const struct snd_soc_dapm_widget *widget); | |
86 | struct snd_soc_dapm_widget * | |
87 | snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, | |
88 | const struct snd_soc_dapm_widget *widget); | |
89 | ||
90 | /* check we dont overflow the data for this control chunk */ | |
91 | static int soc_tplg_check_elem_count(struct soc_tplg *tplg, size_t elem_size, | |
92 | unsigned int count, size_t bytes, const char *elem_type) | |
93 | { | |
94 | const u8 *end = tplg->pos + elem_size * count; | |
95 | ||
96 | if (end > tplg->fw->data + tplg->fw->size) { | |
97 | dev_err(tplg->dev, "ASoC: %s overflow end of data\n", | |
98 | elem_type); | |
99 | return -EINVAL; | |
100 | } | |
101 | ||
102 | /* check there is enough room in chunk for control. | |
103 | extra bytes at the end of control are for vendor data here */ | |
104 | if (elem_size * count > bytes) { | |
105 | dev_err(tplg->dev, | |
106 | "ASoC: %s count %d of size %zu is bigger than chunk %zu\n", | |
107 | elem_type, count, elem_size, bytes); | |
108 | return -EINVAL; | |
109 | } | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
114 | static inline int soc_tplg_is_eof(struct soc_tplg *tplg) | |
115 | { | |
116 | const u8 *end = tplg->hdr_pos; | |
117 | ||
118 | if (end >= tplg->fw->data + tplg->fw->size) | |
119 | return 1; | |
120 | return 0; | |
121 | } | |
122 | ||
123 | static inline unsigned long soc_tplg_get_hdr_offset(struct soc_tplg *tplg) | |
124 | { | |
125 | return (unsigned long)(tplg->hdr_pos - tplg->fw->data); | |
126 | } | |
127 | ||
128 | static inline unsigned long soc_tplg_get_offset(struct soc_tplg *tplg) | |
129 | { | |
130 | return (unsigned long)(tplg->pos - tplg->fw->data); | |
131 | } | |
132 | ||
133 | /* mapping of Kcontrol types and associated operations. */ | |
134 | static const struct snd_soc_tplg_kcontrol_ops io_ops[] = { | |
135 | {SND_SOC_TPLG_CTL_VOLSW, snd_soc_get_volsw, | |
136 | snd_soc_put_volsw, snd_soc_info_volsw}, | |
137 | {SND_SOC_TPLG_CTL_VOLSW_SX, snd_soc_get_volsw_sx, | |
138 | snd_soc_put_volsw_sx, NULL}, | |
139 | {SND_SOC_TPLG_CTL_ENUM, snd_soc_get_enum_double, | |
140 | snd_soc_put_enum_double, snd_soc_info_enum_double}, | |
141 | {SND_SOC_TPLG_CTL_ENUM_VALUE, snd_soc_get_enum_double, | |
142 | snd_soc_put_enum_double, NULL}, | |
143 | {SND_SOC_TPLG_CTL_BYTES, snd_soc_bytes_get, | |
144 | snd_soc_bytes_put, snd_soc_bytes_info}, | |
145 | {SND_SOC_TPLG_CTL_RANGE, snd_soc_get_volsw_range, | |
146 | snd_soc_put_volsw_range, snd_soc_info_volsw_range}, | |
147 | {SND_SOC_TPLG_CTL_VOLSW_XR_SX, snd_soc_get_xr_sx, | |
148 | snd_soc_put_xr_sx, snd_soc_info_xr_sx}, | |
149 | {SND_SOC_TPLG_CTL_STROBE, snd_soc_get_strobe, | |
150 | snd_soc_put_strobe, NULL}, | |
151 | {SND_SOC_TPLG_DAPM_CTL_VOLSW, snd_soc_dapm_get_volsw, | |
2c57d478 | 152 | snd_soc_dapm_put_volsw, snd_soc_info_volsw}, |
8a978234 LG |
153 | {SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE, snd_soc_dapm_get_enum_double, |
154 | snd_soc_dapm_put_enum_double, snd_soc_info_enum_double}, | |
155 | {SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT, snd_soc_dapm_get_enum_double, | |
156 | snd_soc_dapm_put_enum_double, NULL}, | |
157 | {SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE, snd_soc_dapm_get_enum_double, | |
158 | snd_soc_dapm_put_enum_double, NULL}, | |
159 | {SND_SOC_TPLG_DAPM_CTL_PIN, snd_soc_dapm_get_pin_switch, | |
160 | snd_soc_dapm_put_pin_switch, snd_soc_dapm_info_pin_switch}, | |
161 | }; | |
162 | ||
163 | struct soc_tplg_map { | |
164 | int uid; | |
165 | int kid; | |
166 | }; | |
167 | ||
168 | /* mapping of widget types from UAPI IDs to kernel IDs */ | |
169 | static const struct soc_tplg_map dapm_map[] = { | |
170 | {SND_SOC_TPLG_DAPM_INPUT, snd_soc_dapm_input}, | |
171 | {SND_SOC_TPLG_DAPM_OUTPUT, snd_soc_dapm_output}, | |
172 | {SND_SOC_TPLG_DAPM_MUX, snd_soc_dapm_mux}, | |
173 | {SND_SOC_TPLG_DAPM_MIXER, snd_soc_dapm_mixer}, | |
174 | {SND_SOC_TPLG_DAPM_PGA, snd_soc_dapm_pga}, | |
175 | {SND_SOC_TPLG_DAPM_OUT_DRV, snd_soc_dapm_out_drv}, | |
176 | {SND_SOC_TPLG_DAPM_ADC, snd_soc_dapm_adc}, | |
177 | {SND_SOC_TPLG_DAPM_DAC, snd_soc_dapm_dac}, | |
178 | {SND_SOC_TPLG_DAPM_SWITCH, snd_soc_dapm_switch}, | |
179 | {SND_SOC_TPLG_DAPM_PRE, snd_soc_dapm_pre}, | |
180 | {SND_SOC_TPLG_DAPM_POST, snd_soc_dapm_post}, | |
181 | {SND_SOC_TPLG_DAPM_AIF_IN, snd_soc_dapm_aif_in}, | |
182 | {SND_SOC_TPLG_DAPM_AIF_OUT, snd_soc_dapm_aif_out}, | |
183 | {SND_SOC_TPLG_DAPM_DAI_IN, snd_soc_dapm_dai_in}, | |
184 | {SND_SOC_TPLG_DAPM_DAI_OUT, snd_soc_dapm_dai_out}, | |
185 | {SND_SOC_TPLG_DAPM_DAI_LINK, snd_soc_dapm_dai_link}, | |
186 | }; | |
187 | ||
188 | static int tplc_chan_get_reg(struct soc_tplg *tplg, | |
189 | struct snd_soc_tplg_channel *chan, int map) | |
190 | { | |
191 | int i; | |
192 | ||
193 | for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { | |
194 | if (chan[i].id == map) | |
195 | return chan[i].reg; | |
196 | } | |
197 | ||
198 | return -EINVAL; | |
199 | } | |
200 | ||
201 | static int tplc_chan_get_shift(struct soc_tplg *tplg, | |
202 | struct snd_soc_tplg_channel *chan, int map) | |
203 | { | |
204 | int i; | |
205 | ||
206 | for (i = 0; i < SND_SOC_TPLG_MAX_CHAN; i++) { | |
207 | if (chan[i].id == map) | |
208 | return chan[i].shift; | |
209 | } | |
210 | ||
211 | return -EINVAL; | |
212 | } | |
213 | ||
214 | static int get_widget_id(int tplg_type) | |
215 | { | |
216 | int i; | |
217 | ||
218 | for (i = 0; i < ARRAY_SIZE(dapm_map); i++) { | |
219 | if (tplg_type == dapm_map[i].uid) | |
220 | return dapm_map[i].kid; | |
221 | } | |
222 | ||
223 | return -EINVAL; | |
224 | } | |
225 | ||
8a978234 LG |
226 | static inline void soc_bind_err(struct soc_tplg *tplg, |
227 | struct snd_soc_tplg_ctl_hdr *hdr, int index) | |
228 | { | |
229 | dev_err(tplg->dev, | |
230 | "ASoC: invalid control type (g,p,i) %d:%d:%d index %d at 0x%lx\n", | |
231 | hdr->ops.get, hdr->ops.put, hdr->ops.info, index, | |
232 | soc_tplg_get_offset(tplg)); | |
233 | } | |
234 | ||
235 | static inline void soc_control_err(struct soc_tplg *tplg, | |
236 | struct snd_soc_tplg_ctl_hdr *hdr, const char *name) | |
237 | { | |
238 | dev_err(tplg->dev, | |
239 | "ASoC: no complete mixer IO handler for %s type (g,p,i) %d:%d:%d at 0x%lx\n", | |
240 | name, hdr->ops.get, hdr->ops.put, hdr->ops.info, | |
241 | soc_tplg_get_offset(tplg)); | |
242 | } | |
243 | ||
244 | /* pass vendor data to component driver for processing */ | |
245 | static int soc_tplg_vendor_load_(struct soc_tplg *tplg, | |
246 | struct snd_soc_tplg_hdr *hdr) | |
247 | { | |
248 | int ret = 0; | |
249 | ||
250 | if (tplg->comp && tplg->ops && tplg->ops->vendor_load) | |
251 | ret = tplg->ops->vendor_load(tplg->comp, hdr); | |
252 | else { | |
253 | dev_err(tplg->dev, "ASoC: no vendor load callback for ID %d\n", | |
254 | hdr->vendor_type); | |
255 | return -EINVAL; | |
256 | } | |
257 | ||
258 | if (ret < 0) | |
259 | dev_err(tplg->dev, | |
260 | "ASoC: vendor load failed at hdr offset %ld/0x%lx for type %d:%d\n", | |
261 | soc_tplg_get_hdr_offset(tplg), | |
262 | soc_tplg_get_hdr_offset(tplg), | |
263 | hdr->type, hdr->vendor_type); | |
264 | return ret; | |
265 | } | |
266 | ||
267 | /* pass vendor data to component driver for processing */ | |
268 | static int soc_tplg_vendor_load(struct soc_tplg *tplg, | |
269 | struct snd_soc_tplg_hdr *hdr) | |
270 | { | |
271 | if (tplg->pass != SOC_TPLG_PASS_VENDOR) | |
272 | return 0; | |
273 | ||
274 | return soc_tplg_vendor_load_(tplg, hdr); | |
275 | } | |
276 | ||
277 | /* optionally pass new dynamic widget to component driver. This is mainly for | |
278 | * external widgets where we can assign private data/ops */ | |
279 | static int soc_tplg_widget_load(struct soc_tplg *tplg, | |
280 | struct snd_soc_dapm_widget *w, struct snd_soc_tplg_dapm_widget *tplg_w) | |
281 | { | |
282 | if (tplg->comp && tplg->ops && tplg->ops->widget_load) | |
283 | return tplg->ops->widget_load(tplg->comp, w, tplg_w); | |
284 | ||
285 | return 0; | |
286 | } | |
287 | ||
64527e8a ML |
288 | /* pass DAI configurations to component driver for extra intialization */ |
289 | static int soc_tplg_dai_load(struct soc_tplg *tplg, | |
290 | struct snd_soc_dai_driver *dai_drv) | |
8a978234 | 291 | { |
64527e8a ML |
292 | if (tplg->comp && tplg->ops && tplg->ops->dai_load) |
293 | return tplg->ops->dai_load(tplg->comp, dai_drv); | |
8a978234 LG |
294 | |
295 | return 0; | |
296 | } | |
297 | ||
acfc7d46 ML |
298 | /* pass link configurations to component driver for extra intialization */ |
299 | static int soc_tplg_dai_link_load(struct soc_tplg *tplg, | |
300 | struct snd_soc_dai_link *link) | |
301 | { | |
302 | if (tplg->comp && tplg->ops && tplg->ops->link_load) | |
303 | return tplg->ops->link_load(tplg->comp, link); | |
304 | ||
305 | return 0; | |
306 | } | |
307 | ||
8a978234 LG |
308 | /* tell the component driver that all firmware has been loaded in this request */ |
309 | static void soc_tplg_complete(struct soc_tplg *tplg) | |
310 | { | |
311 | if (tplg->comp && tplg->ops && tplg->ops->complete) | |
312 | tplg->ops->complete(tplg->comp); | |
313 | } | |
314 | ||
315 | /* add a dynamic kcontrol */ | |
316 | static int soc_tplg_add_dcontrol(struct snd_card *card, struct device *dev, | |
317 | const struct snd_kcontrol_new *control_new, const char *prefix, | |
318 | void *data, struct snd_kcontrol **kcontrol) | |
319 | { | |
320 | int err; | |
321 | ||
322 | *kcontrol = snd_soc_cnew(control_new, data, control_new->name, prefix); | |
323 | if (*kcontrol == NULL) { | |
324 | dev_err(dev, "ASoC: Failed to create new kcontrol %s\n", | |
325 | control_new->name); | |
326 | return -ENOMEM; | |
327 | } | |
328 | ||
329 | err = snd_ctl_add(card, *kcontrol); | |
330 | if (err < 0) { | |
331 | dev_err(dev, "ASoC: Failed to add %s: %d\n", | |
332 | control_new->name, err); | |
333 | return err; | |
334 | } | |
335 | ||
336 | return 0; | |
337 | } | |
338 | ||
339 | /* add a dynamic kcontrol for component driver */ | |
340 | static int soc_tplg_add_kcontrol(struct soc_tplg *tplg, | |
341 | struct snd_kcontrol_new *k, struct snd_kcontrol **kcontrol) | |
342 | { | |
343 | struct snd_soc_component *comp = tplg->comp; | |
344 | ||
345 | return soc_tplg_add_dcontrol(comp->card->snd_card, | |
346 | comp->dev, k, NULL, comp, kcontrol); | |
347 | } | |
348 | ||
349 | /* remove a mixer kcontrol */ | |
350 | static void remove_mixer(struct snd_soc_component *comp, | |
351 | struct snd_soc_dobj *dobj, int pass) | |
352 | { | |
353 | struct snd_card *card = comp->card->snd_card; | |
354 | struct soc_mixer_control *sm = | |
355 | container_of(dobj, struct soc_mixer_control, dobj); | |
356 | const unsigned int *p = NULL; | |
357 | ||
358 | if (pass != SOC_TPLG_PASS_MIXER) | |
359 | return; | |
360 | ||
361 | if (dobj->ops && dobj->ops->control_unload) | |
362 | dobj->ops->control_unload(comp, dobj); | |
363 | ||
364 | if (sm->dobj.control.kcontrol->tlv.p) | |
365 | p = sm->dobj.control.kcontrol->tlv.p; | |
366 | snd_ctl_remove(card, sm->dobj.control.kcontrol); | |
367 | list_del(&sm->dobj.list); | |
368 | kfree(sm); | |
369 | kfree(p); | |
370 | } | |
371 | ||
372 | /* remove an enum kcontrol */ | |
373 | static void remove_enum(struct snd_soc_component *comp, | |
374 | struct snd_soc_dobj *dobj, int pass) | |
375 | { | |
376 | struct snd_card *card = comp->card->snd_card; | |
377 | struct soc_enum *se = container_of(dobj, struct soc_enum, dobj); | |
378 | int i; | |
379 | ||
380 | if (pass != SOC_TPLG_PASS_MIXER) | |
381 | return; | |
382 | ||
383 | if (dobj->ops && dobj->ops->control_unload) | |
384 | dobj->ops->control_unload(comp, dobj); | |
385 | ||
386 | snd_ctl_remove(card, se->dobj.control.kcontrol); | |
387 | list_del(&se->dobj.list); | |
388 | ||
389 | kfree(se->dobj.control.dvalues); | |
390 | for (i = 0; i < se->items; i++) | |
391 | kfree(se->dobj.control.dtexts[i]); | |
392 | kfree(se); | |
393 | } | |
394 | ||
395 | /* remove a byte kcontrol */ | |
396 | static void remove_bytes(struct snd_soc_component *comp, | |
397 | struct snd_soc_dobj *dobj, int pass) | |
398 | { | |
399 | struct snd_card *card = comp->card->snd_card; | |
400 | struct soc_bytes_ext *sb = | |
401 | container_of(dobj, struct soc_bytes_ext, dobj); | |
402 | ||
403 | if (pass != SOC_TPLG_PASS_MIXER) | |
404 | return; | |
405 | ||
406 | if (dobj->ops && dobj->ops->control_unload) | |
407 | dobj->ops->control_unload(comp, dobj); | |
408 | ||
409 | snd_ctl_remove(card, sb->dobj.control.kcontrol); | |
410 | list_del(&sb->dobj.list); | |
411 | kfree(sb); | |
412 | } | |
413 | ||
414 | /* remove a widget and it's kcontrols - routes must be removed first */ | |
415 | static void remove_widget(struct snd_soc_component *comp, | |
416 | struct snd_soc_dobj *dobj, int pass) | |
417 | { | |
418 | struct snd_card *card = comp->card->snd_card; | |
419 | struct snd_soc_dapm_widget *w = | |
420 | container_of(dobj, struct snd_soc_dapm_widget, dobj); | |
421 | int i; | |
422 | ||
423 | if (pass != SOC_TPLG_PASS_WIDGET) | |
424 | return; | |
425 | ||
426 | if (dobj->ops && dobj->ops->widget_unload) | |
427 | dobj->ops->widget_unload(comp, dobj); | |
428 | ||
429 | /* | |
430 | * Dynamic Widgets either have 1 enum kcontrol or 1..N mixers. | |
431 | * The enum may either have an array of values or strings. | |
432 | */ | |
433 | if (dobj->widget.kcontrol_enum) { | |
434 | /* enumerated widget mixer */ | |
435 | struct soc_enum *se = | |
436 | (struct soc_enum *)w->kcontrols[0]->private_value; | |
437 | ||
438 | snd_ctl_remove(card, w->kcontrols[0]); | |
439 | ||
440 | kfree(se->dobj.control.dvalues); | |
441 | for (i = 0; i < se->items; i++) | |
442 | kfree(se->dobj.control.dtexts[i]); | |
443 | ||
444 | kfree(se); | |
445 | kfree(w->kcontrol_news); | |
446 | } else { | |
447 | /* non enumerated widget mixer */ | |
448 | for (i = 0; i < w->num_kcontrols; i++) { | |
449 | struct snd_kcontrol *kcontrol = w->kcontrols[i]; | |
450 | struct soc_mixer_control *sm = | |
451 | (struct soc_mixer_control *) kcontrol->private_value; | |
452 | ||
453 | kfree(w->kcontrols[i]->tlv.p); | |
454 | ||
455 | snd_ctl_remove(card, w->kcontrols[i]); | |
456 | kfree(sm); | |
457 | } | |
458 | kfree(w->kcontrol_news); | |
459 | } | |
460 | /* widget w is freed by soc-dapm.c */ | |
461 | } | |
462 | ||
64527e8a ML |
463 | /* remove DAI configurations */ |
464 | static void remove_dai(struct snd_soc_component *comp, | |
8a978234 LG |
465 | struct snd_soc_dobj *dobj, int pass) |
466 | { | |
64527e8a ML |
467 | struct snd_soc_dai_driver *dai_drv = |
468 | container_of(dobj, struct snd_soc_dai_driver, dobj); | |
469 | ||
8a978234 LG |
470 | if (pass != SOC_TPLG_PASS_PCM_DAI) |
471 | return; | |
472 | ||
64527e8a ML |
473 | if (dobj->ops && dobj->ops->dai_unload) |
474 | dobj->ops->dai_unload(comp, dobj); | |
8a978234 LG |
475 | |
476 | list_del(&dobj->list); | |
64527e8a | 477 | kfree(dai_drv); |
8a978234 LG |
478 | } |
479 | ||
acfc7d46 ML |
480 | /* remove link configurations */ |
481 | static void remove_link(struct snd_soc_component *comp, | |
482 | struct snd_soc_dobj *dobj, int pass) | |
483 | { | |
484 | struct snd_soc_dai_link *link = | |
485 | container_of(dobj, struct snd_soc_dai_link, dobj); | |
486 | ||
487 | if (pass != SOC_TPLG_PASS_PCM_DAI) | |
488 | return; | |
489 | ||
490 | if (dobj->ops && dobj->ops->link_unload) | |
491 | dobj->ops->link_unload(comp, dobj); | |
492 | ||
493 | list_del(&dobj->list); | |
494 | snd_soc_remove_dai_link(comp->card, link); | |
495 | kfree(link); | |
496 | } | |
497 | ||
8a978234 LG |
498 | /* bind a kcontrol to it's IO handlers */ |
499 | static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, | |
500 | struct snd_kcontrol_new *k, | |
2b5cdb91 | 501 | const struct soc_tplg *tplg) |
8a978234 | 502 | { |
2b5cdb91 | 503 | const struct snd_soc_tplg_kcontrol_ops *ops; |
1a3232d2 | 504 | const struct snd_soc_tplg_bytes_ext_ops *ext_ops; |
2b5cdb91 | 505 | int num_ops, i; |
8a978234 | 506 | |
1a3232d2 ML |
507 | if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES |
508 | && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER | |
509 | && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE | |
510 | && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { | |
511 | struct soc_bytes_ext *sbe; | |
512 | struct snd_soc_tplg_bytes_control *be; | |
513 | ||
514 | sbe = (struct soc_bytes_ext *)k->private_value; | |
515 | be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); | |
516 | ||
517 | /* TLV bytes controls need standard kcontrol info handler, | |
518 | * TLV callback and extended put/get handlers. | |
519 | */ | |
f4be978b | 520 | k->info = snd_soc_bytes_info_ext; |
1a3232d2 ML |
521 | k->tlv.c = snd_soc_bytes_tlv_callback; |
522 | ||
523 | ext_ops = tplg->bytes_ext_ops; | |
524 | num_ops = tplg->bytes_ext_ops_count; | |
525 | for (i = 0; i < num_ops; i++) { | |
526 | if (!sbe->put && ext_ops[i].id == be->ext_ops.put) | |
527 | sbe->put = ext_ops[i].put; | |
528 | if (!sbe->get && ext_ops[i].id == be->ext_ops.get) | |
529 | sbe->get = ext_ops[i].get; | |
530 | } | |
531 | ||
532 | if (sbe->put && sbe->get) | |
533 | return 0; | |
534 | else | |
535 | return -EINVAL; | |
536 | } | |
8a978234 | 537 | |
88a17d8f | 538 | /* try and map vendor specific kcontrol handlers first */ |
2b5cdb91 ML |
539 | ops = tplg->io_ops; |
540 | num_ops = tplg->io_ops_count; | |
8a978234 LG |
541 | for (i = 0; i < num_ops; i++) { |
542 | ||
2b5cdb91 | 543 | if (k->put == NULL && ops[i].id == hdr->ops.put) |
8a978234 | 544 | k->put = ops[i].put; |
2b5cdb91 | 545 | if (k->get == NULL && ops[i].id == hdr->ops.get) |
8a978234 | 546 | k->get = ops[i].get; |
2b5cdb91 | 547 | if (k->info == NULL && ops[i].id == hdr->ops.info) |
8a978234 LG |
548 | k->info = ops[i].info; |
549 | } | |
550 | ||
88a17d8f | 551 | /* vendor specific handlers found ? */ |
8a978234 LG |
552 | if (k->put && k->get && k->info) |
553 | return 0; | |
554 | ||
88a17d8f | 555 | /* none found so try standard kcontrol handlers */ |
2b5cdb91 ML |
556 | ops = io_ops; |
557 | num_ops = ARRAY_SIZE(io_ops); | |
88a17d8f | 558 | for (i = 0; i < num_ops; i++) { |
8a978234 | 559 | |
88a17d8f ML |
560 | if (k->put == NULL && ops[i].id == hdr->ops.put) |
561 | k->put = ops[i].put; | |
562 | if (k->get == NULL && ops[i].id == hdr->ops.get) | |
563 | k->get = ops[i].get; | |
8a978234 | 564 | if (k->info == NULL && ops[i].id == hdr->ops.info) |
88a17d8f | 565 | k->info = ops[i].info; |
8a978234 LG |
566 | } |
567 | ||
88a17d8f | 568 | /* standard handlers found ? */ |
8a978234 LG |
569 | if (k->put && k->get && k->info) |
570 | return 0; | |
571 | ||
572 | /* nothing to bind */ | |
573 | return -EINVAL; | |
574 | } | |
575 | ||
576 | /* bind a widgets to it's evnt handlers */ | |
577 | int snd_soc_tplg_widget_bind_event(struct snd_soc_dapm_widget *w, | |
578 | const struct snd_soc_tplg_widget_events *events, | |
579 | int num_events, u16 event_type) | |
580 | { | |
581 | int i; | |
582 | ||
583 | w->event = NULL; | |
584 | ||
585 | for (i = 0; i < num_events; i++) { | |
586 | if (event_type == events[i].type) { | |
587 | ||
588 | /* found - so assign event */ | |
589 | w->event = events[i].event_handler; | |
590 | return 0; | |
591 | } | |
592 | } | |
593 | ||
594 | /* not found */ | |
595 | return -EINVAL; | |
596 | } | |
597 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_bind_event); | |
598 | ||
599 | /* optionally pass new dynamic kcontrol to component driver. */ | |
600 | static int soc_tplg_init_kcontrol(struct soc_tplg *tplg, | |
601 | struct snd_kcontrol_new *k, struct snd_soc_tplg_ctl_hdr *hdr) | |
602 | { | |
603 | if (tplg->comp && tplg->ops && tplg->ops->control_load) | |
604 | return tplg->ops->control_load(tplg->comp, k, hdr); | |
605 | ||
606 | return 0; | |
607 | } | |
608 | ||
8a978234 | 609 | |
28a87eeb ML |
610 | static int soc_tplg_create_tlv_db_scale(struct soc_tplg *tplg, |
611 | struct snd_kcontrol_new *kc, struct snd_soc_tplg_tlv_dbscale *scale) | |
612 | { | |
613 | unsigned int item_len = 2 * sizeof(unsigned int); | |
614 | unsigned int *p; | |
8a978234 | 615 | |
28a87eeb ML |
616 | p = kzalloc(item_len + 2 * sizeof(unsigned int), GFP_KERNEL); |
617 | if (!p) | |
8a978234 LG |
618 | return -ENOMEM; |
619 | ||
28a87eeb ML |
620 | p[0] = SNDRV_CTL_TLVT_DB_SCALE; |
621 | p[1] = item_len; | |
622 | p[2] = scale->min; | |
623 | p[3] = (scale->step & TLV_DB_SCALE_MASK) | |
624 | | (scale->mute ? TLV_DB_SCALE_MUTE : 0); | |
625 | ||
626 | kc->tlv.p = (void *)p; | |
627 | return 0; | |
628 | } | |
629 | ||
630 | static int soc_tplg_create_tlv(struct soc_tplg *tplg, | |
631 | struct snd_kcontrol_new *kc, struct snd_soc_tplg_ctl_hdr *tc) | |
632 | { | |
633 | struct snd_soc_tplg_ctl_tlv *tplg_tlv; | |
634 | ||
635 | if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) | |
636 | return 0; | |
8a978234 | 637 | |
1a3232d2 | 638 | if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { |
28a87eeb ML |
639 | tplg_tlv = &tc->tlv; |
640 | switch (tplg_tlv->type) { | |
641 | case SNDRV_CTL_TLVT_DB_SCALE: | |
642 | return soc_tplg_create_tlv_db_scale(tplg, kc, | |
643 | &tplg_tlv->scale); | |
644 | ||
645 | /* TODO: add support for other TLV types */ | |
646 | default: | |
647 | dev_dbg(tplg->dev, "Unsupported TLV type %d\n", | |
648 | tplg_tlv->type); | |
649 | return -EINVAL; | |
650 | } | |
651 | } | |
8a978234 LG |
652 | |
653 | return 0; | |
654 | } | |
655 | ||
656 | static inline void soc_tplg_free_tlv(struct soc_tplg *tplg, | |
657 | struct snd_kcontrol_new *kc) | |
658 | { | |
659 | kfree(kc->tlv.p); | |
660 | } | |
661 | ||
662 | static int soc_tplg_dbytes_create(struct soc_tplg *tplg, unsigned int count, | |
663 | size_t size) | |
664 | { | |
665 | struct snd_soc_tplg_bytes_control *be; | |
666 | struct soc_bytes_ext *sbe; | |
667 | struct snd_kcontrol_new kc; | |
668 | int i, err; | |
669 | ||
670 | if (soc_tplg_check_elem_count(tplg, | |
671 | sizeof(struct snd_soc_tplg_bytes_control), count, | |
672 | size, "mixer bytes")) { | |
673 | dev_err(tplg->dev, "ASoC: Invalid count %d for byte control\n", | |
674 | count); | |
675 | return -EINVAL; | |
676 | } | |
677 | ||
678 | for (i = 0; i < count; i++) { | |
679 | be = (struct snd_soc_tplg_bytes_control *)tplg->pos; | |
680 | ||
681 | /* validate kcontrol */ | |
682 | if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
683 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
684 | return -EINVAL; | |
685 | ||
686 | sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); | |
687 | if (sbe == NULL) | |
688 | return -ENOMEM; | |
689 | ||
690 | tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + | |
691 | be->priv.size); | |
692 | ||
693 | dev_dbg(tplg->dev, | |
694 | "ASoC: adding bytes kcontrol %s with access 0x%x\n", | |
695 | be->hdr.name, be->hdr.access); | |
696 | ||
697 | memset(&kc, 0, sizeof(kc)); | |
698 | kc.name = be->hdr.name; | |
699 | kc.private_value = (long)sbe; | |
700 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
701 | kc.access = be->hdr.access; | |
702 | ||
703 | sbe->max = be->max; | |
704 | sbe->dobj.type = SND_SOC_DOBJ_BYTES; | |
705 | sbe->dobj.ops = tplg->ops; | |
706 | INIT_LIST_HEAD(&sbe->dobj.list); | |
707 | ||
708 | /* map io handlers */ | |
2b5cdb91 | 709 | err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc, tplg); |
8a978234 LG |
710 | if (err) { |
711 | soc_control_err(tplg, &be->hdr, be->hdr.name); | |
712 | kfree(sbe); | |
713 | continue; | |
714 | } | |
715 | ||
716 | /* pass control to driver for optional further init */ | |
717 | err = soc_tplg_init_kcontrol(tplg, &kc, | |
718 | (struct snd_soc_tplg_ctl_hdr *)be); | |
719 | if (err < 0) { | |
720 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
721 | be->hdr.name); | |
722 | kfree(sbe); | |
723 | continue; | |
724 | } | |
725 | ||
726 | /* register control here */ | |
727 | err = soc_tplg_add_kcontrol(tplg, &kc, | |
728 | &sbe->dobj.control.kcontrol); | |
729 | if (err < 0) { | |
730 | dev_err(tplg->dev, "ASoC: failed to add %s\n", | |
731 | be->hdr.name); | |
732 | kfree(sbe); | |
733 | continue; | |
734 | } | |
735 | ||
736 | list_add(&sbe->dobj.list, &tplg->comp->dobj_list); | |
737 | } | |
738 | return 0; | |
739 | ||
740 | } | |
741 | ||
742 | static int soc_tplg_dmixer_create(struct soc_tplg *tplg, unsigned int count, | |
743 | size_t size) | |
744 | { | |
745 | struct snd_soc_tplg_mixer_control *mc; | |
746 | struct soc_mixer_control *sm; | |
747 | struct snd_kcontrol_new kc; | |
748 | int i, err; | |
749 | ||
750 | if (soc_tplg_check_elem_count(tplg, | |
751 | sizeof(struct snd_soc_tplg_mixer_control), | |
752 | count, size, "mixers")) { | |
753 | ||
754 | dev_err(tplg->dev, "ASoC: invalid count %d for controls\n", | |
755 | count); | |
756 | return -EINVAL; | |
757 | } | |
758 | ||
759 | for (i = 0; i < count; i++) { | |
760 | mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; | |
761 | ||
762 | /* validate kcontrol */ | |
763 | if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
764 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
765 | return -EINVAL; | |
766 | ||
767 | sm = kzalloc(sizeof(*sm), GFP_KERNEL); | |
768 | if (sm == NULL) | |
769 | return -ENOMEM; | |
770 | tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + | |
771 | mc->priv.size); | |
772 | ||
773 | dev_dbg(tplg->dev, | |
774 | "ASoC: adding mixer kcontrol %s with access 0x%x\n", | |
775 | mc->hdr.name, mc->hdr.access); | |
776 | ||
777 | memset(&kc, 0, sizeof(kc)); | |
778 | kc.name = mc->hdr.name; | |
779 | kc.private_value = (long)sm; | |
780 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
781 | kc.access = mc->hdr.access; | |
782 | ||
783 | /* we only support FL/FR channel mapping atm */ | |
784 | sm->reg = tplc_chan_get_reg(tplg, mc->channel, | |
785 | SNDRV_CHMAP_FL); | |
786 | sm->rreg = tplc_chan_get_reg(tplg, mc->channel, | |
787 | SNDRV_CHMAP_FR); | |
788 | sm->shift = tplc_chan_get_shift(tplg, mc->channel, | |
789 | SNDRV_CHMAP_FL); | |
790 | sm->rshift = tplc_chan_get_shift(tplg, mc->channel, | |
791 | SNDRV_CHMAP_FR); | |
792 | ||
793 | sm->max = mc->max; | |
794 | sm->min = mc->min; | |
795 | sm->invert = mc->invert; | |
796 | sm->platform_max = mc->platform_max; | |
797 | sm->dobj.index = tplg->index; | |
798 | sm->dobj.ops = tplg->ops; | |
799 | sm->dobj.type = SND_SOC_DOBJ_MIXER; | |
800 | INIT_LIST_HEAD(&sm->dobj.list); | |
801 | ||
802 | /* map io handlers */ | |
2b5cdb91 | 803 | err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc, tplg); |
8a978234 LG |
804 | if (err) { |
805 | soc_control_err(tplg, &mc->hdr, mc->hdr.name); | |
806 | kfree(sm); | |
807 | continue; | |
808 | } | |
809 | ||
810 | /* pass control to driver for optional further init */ | |
811 | err = soc_tplg_init_kcontrol(tplg, &kc, | |
812 | (struct snd_soc_tplg_ctl_hdr *) mc); | |
813 | if (err < 0) { | |
814 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
815 | mc->hdr.name); | |
816 | kfree(sm); | |
817 | continue; | |
818 | } | |
819 | ||
820 | /* create any TLV data */ | |
28a87eeb | 821 | soc_tplg_create_tlv(tplg, &kc, &mc->hdr); |
8a978234 LG |
822 | |
823 | /* register control here */ | |
824 | err = soc_tplg_add_kcontrol(tplg, &kc, | |
825 | &sm->dobj.control.kcontrol); | |
826 | if (err < 0) { | |
827 | dev_err(tplg->dev, "ASoC: failed to add %s\n", | |
828 | mc->hdr.name); | |
829 | soc_tplg_free_tlv(tplg, &kc); | |
830 | kfree(sm); | |
831 | continue; | |
832 | } | |
833 | ||
834 | list_add(&sm->dobj.list, &tplg->comp->dobj_list); | |
835 | } | |
836 | ||
837 | return 0; | |
838 | } | |
839 | ||
840 | static int soc_tplg_denum_create_texts(struct soc_enum *se, | |
841 | struct snd_soc_tplg_enum_control *ec) | |
842 | { | |
843 | int i, ret; | |
844 | ||
845 | se->dobj.control.dtexts = | |
846 | kzalloc(sizeof(char *) * ec->items, GFP_KERNEL); | |
847 | if (se->dobj.control.dtexts == NULL) | |
848 | return -ENOMEM; | |
849 | ||
850 | for (i = 0; i < ec->items; i++) { | |
851 | ||
852 | if (strnlen(ec->texts[i], SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
853 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) { | |
854 | ret = -EINVAL; | |
855 | goto err; | |
856 | } | |
857 | ||
858 | se->dobj.control.dtexts[i] = kstrdup(ec->texts[i], GFP_KERNEL); | |
859 | if (!se->dobj.control.dtexts[i]) { | |
860 | ret = -ENOMEM; | |
861 | goto err; | |
862 | } | |
863 | } | |
864 | ||
865 | return 0; | |
866 | ||
867 | err: | |
868 | for (--i; i >= 0; i--) | |
869 | kfree(se->dobj.control.dtexts[i]); | |
870 | kfree(se->dobj.control.dtexts); | |
871 | return ret; | |
872 | } | |
873 | ||
874 | static int soc_tplg_denum_create_values(struct soc_enum *se, | |
875 | struct snd_soc_tplg_enum_control *ec) | |
876 | { | |
877 | if (ec->items > sizeof(*ec->values)) | |
878 | return -EINVAL; | |
879 | ||
376c0afe AH |
880 | se->dobj.control.dvalues = kmemdup(ec->values, |
881 | ec->items * sizeof(u32), | |
882 | GFP_KERNEL); | |
8a978234 LG |
883 | if (!se->dobj.control.dvalues) |
884 | return -ENOMEM; | |
885 | ||
8a978234 LG |
886 | return 0; |
887 | } | |
888 | ||
889 | static int soc_tplg_denum_create(struct soc_tplg *tplg, unsigned int count, | |
890 | size_t size) | |
891 | { | |
892 | struct snd_soc_tplg_enum_control *ec; | |
893 | struct soc_enum *se; | |
894 | struct snd_kcontrol_new kc; | |
895 | int i, ret, err; | |
896 | ||
897 | if (soc_tplg_check_elem_count(tplg, | |
898 | sizeof(struct snd_soc_tplg_enum_control), | |
899 | count, size, "enums")) { | |
900 | ||
901 | dev_err(tplg->dev, "ASoC: invalid count %d for enum controls\n", | |
902 | count); | |
903 | return -EINVAL; | |
904 | } | |
905 | ||
906 | for (i = 0; i < count; i++) { | |
907 | ec = (struct snd_soc_tplg_enum_control *)tplg->pos; | |
908 | tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + | |
909 | ec->priv.size); | |
910 | ||
911 | /* validate kcontrol */ | |
912 | if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
913 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
914 | return -EINVAL; | |
915 | ||
916 | se = kzalloc((sizeof(*se)), GFP_KERNEL); | |
917 | if (se == NULL) | |
918 | return -ENOMEM; | |
919 | ||
920 | dev_dbg(tplg->dev, "ASoC: adding enum kcontrol %s size %d\n", | |
921 | ec->hdr.name, ec->items); | |
922 | ||
923 | memset(&kc, 0, sizeof(kc)); | |
924 | kc.name = ec->hdr.name; | |
925 | kc.private_value = (long)se; | |
926 | kc.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
927 | kc.access = ec->hdr.access; | |
928 | ||
929 | se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); | |
930 | se->shift_l = tplc_chan_get_shift(tplg, ec->channel, | |
931 | SNDRV_CHMAP_FL); | |
932 | se->shift_r = tplc_chan_get_shift(tplg, ec->channel, | |
933 | SNDRV_CHMAP_FL); | |
934 | ||
935 | se->items = ec->items; | |
936 | se->mask = ec->mask; | |
937 | se->dobj.index = tplg->index; | |
938 | se->dobj.type = SND_SOC_DOBJ_ENUM; | |
939 | se->dobj.ops = tplg->ops; | |
940 | INIT_LIST_HEAD(&se->dobj.list); | |
941 | ||
942 | switch (ec->hdr.ops.info) { | |
943 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
944 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
945 | err = soc_tplg_denum_create_values(se, ec); | |
946 | if (err < 0) { | |
947 | dev_err(tplg->dev, | |
948 | "ASoC: could not create values for %s\n", | |
949 | ec->hdr.name); | |
950 | kfree(se); | |
951 | continue; | |
952 | } | |
953 | /* fall through and create texts */ | |
954 | case SND_SOC_TPLG_CTL_ENUM: | |
955 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
956 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
957 | err = soc_tplg_denum_create_texts(se, ec); | |
958 | if (err < 0) { | |
959 | dev_err(tplg->dev, | |
960 | "ASoC: could not create texts for %s\n", | |
961 | ec->hdr.name); | |
962 | kfree(se); | |
963 | continue; | |
964 | } | |
965 | break; | |
966 | default: | |
967 | dev_err(tplg->dev, | |
968 | "ASoC: invalid enum control type %d for %s\n", | |
969 | ec->hdr.ops.info, ec->hdr.name); | |
970 | kfree(se); | |
971 | continue; | |
972 | } | |
973 | ||
974 | /* map io handlers */ | |
2b5cdb91 | 975 | err = soc_tplg_kcontrol_bind_io(&ec->hdr, &kc, tplg); |
8a978234 LG |
976 | if (err) { |
977 | soc_control_err(tplg, &ec->hdr, ec->hdr.name); | |
978 | kfree(se); | |
979 | continue; | |
980 | } | |
981 | ||
982 | /* pass control to driver for optional further init */ | |
983 | err = soc_tplg_init_kcontrol(tplg, &kc, | |
984 | (struct snd_soc_tplg_ctl_hdr *) ec); | |
985 | if (err < 0) { | |
986 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
987 | ec->hdr.name); | |
988 | kfree(se); | |
989 | continue; | |
990 | } | |
991 | ||
992 | /* register control here */ | |
993 | ret = soc_tplg_add_kcontrol(tplg, | |
994 | &kc, &se->dobj.control.kcontrol); | |
995 | if (ret < 0) { | |
996 | dev_err(tplg->dev, "ASoC: could not add kcontrol %s\n", | |
997 | ec->hdr.name); | |
998 | kfree(se); | |
999 | continue; | |
1000 | } | |
1001 | ||
1002 | list_add(&se->dobj.list, &tplg->comp->dobj_list); | |
1003 | } | |
1004 | ||
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | static int soc_tplg_kcontrol_elems_load(struct soc_tplg *tplg, | |
1009 | struct snd_soc_tplg_hdr *hdr) | |
1010 | { | |
1011 | struct snd_soc_tplg_ctl_hdr *control_hdr; | |
1012 | int i; | |
1013 | ||
1014 | if (tplg->pass != SOC_TPLG_PASS_MIXER) { | |
1015 | tplg->pos += hdr->size + hdr->payload_size; | |
1016 | return 0; | |
1017 | } | |
1018 | ||
1019 | dev_dbg(tplg->dev, "ASoC: adding %d kcontrols at 0x%lx\n", hdr->count, | |
1020 | soc_tplg_get_offset(tplg)); | |
1021 | ||
1022 | for (i = 0; i < hdr->count; i++) { | |
1023 | ||
1024 | control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; | |
1025 | ||
1026 | switch (control_hdr->ops.info) { | |
1027 | case SND_SOC_TPLG_CTL_VOLSW: | |
1028 | case SND_SOC_TPLG_CTL_STROBE: | |
1029 | case SND_SOC_TPLG_CTL_VOLSW_SX: | |
1030 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: | |
1031 | case SND_SOC_TPLG_CTL_RANGE: | |
1032 | case SND_SOC_TPLG_DAPM_CTL_VOLSW: | |
1033 | case SND_SOC_TPLG_DAPM_CTL_PIN: | |
1034 | soc_tplg_dmixer_create(tplg, 1, hdr->payload_size); | |
1035 | break; | |
1036 | case SND_SOC_TPLG_CTL_ENUM: | |
1037 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
1038 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
1039 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
1040 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
1041 | soc_tplg_denum_create(tplg, 1, hdr->payload_size); | |
1042 | break; | |
1043 | case SND_SOC_TPLG_CTL_BYTES: | |
1044 | soc_tplg_dbytes_create(tplg, 1, hdr->payload_size); | |
1045 | break; | |
1046 | default: | |
1047 | soc_bind_err(tplg, control_hdr, i); | |
1048 | return -EINVAL; | |
1049 | } | |
1050 | } | |
1051 | ||
1052 | return 0; | |
1053 | } | |
1054 | ||
1055 | static int soc_tplg_dapm_graph_elems_load(struct soc_tplg *tplg, | |
1056 | struct snd_soc_tplg_hdr *hdr) | |
1057 | { | |
1058 | struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; | |
1059 | struct snd_soc_dapm_route route; | |
1060 | struct snd_soc_tplg_dapm_graph_elem *elem; | |
1061 | int count = hdr->count, i; | |
1062 | ||
1063 | if (tplg->pass != SOC_TPLG_PASS_GRAPH) { | |
1064 | tplg->pos += hdr->size + hdr->payload_size; | |
1065 | return 0; | |
1066 | } | |
1067 | ||
1068 | if (soc_tplg_check_elem_count(tplg, | |
1069 | sizeof(struct snd_soc_tplg_dapm_graph_elem), | |
1070 | count, hdr->payload_size, "graph")) { | |
1071 | ||
1072 | dev_err(tplg->dev, "ASoC: invalid count %d for DAPM routes\n", | |
1073 | count); | |
1074 | return -EINVAL; | |
1075 | } | |
1076 | ||
1077 | dev_dbg(tplg->dev, "ASoC: adding %d DAPM routes\n", count); | |
1078 | ||
1079 | for (i = 0; i < count; i++) { | |
1080 | elem = (struct snd_soc_tplg_dapm_graph_elem *)tplg->pos; | |
1081 | tplg->pos += sizeof(struct snd_soc_tplg_dapm_graph_elem); | |
1082 | ||
1083 | /* validate routes */ | |
1084 | if (strnlen(elem->source, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1085 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1086 | return -EINVAL; | |
1087 | if (strnlen(elem->sink, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1088 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1089 | return -EINVAL; | |
1090 | if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1091 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1092 | return -EINVAL; | |
1093 | ||
1094 | route.source = elem->source; | |
1095 | route.sink = elem->sink; | |
1096 | route.connected = NULL; /* set to NULL atm for tplg users */ | |
1097 | if (strnlen(elem->control, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == 0) | |
1098 | route.control = NULL; | |
1099 | else | |
1100 | route.control = elem->control; | |
1101 | ||
1102 | /* add route, but keep going if some fail */ | |
1103 | snd_soc_dapm_add_routes(dapm, &route, 1); | |
1104 | } | |
1105 | ||
1106 | return 0; | |
1107 | } | |
1108 | ||
1109 | static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create( | |
1110 | struct soc_tplg *tplg, int num_kcontrols) | |
1111 | { | |
1112 | struct snd_kcontrol_new *kc; | |
1113 | struct soc_mixer_control *sm; | |
1114 | struct snd_soc_tplg_mixer_control *mc; | |
1115 | int i, err; | |
1116 | ||
4ca7deb1 | 1117 | kc = kcalloc(num_kcontrols, sizeof(*kc), GFP_KERNEL); |
8a978234 LG |
1118 | if (kc == NULL) |
1119 | return NULL; | |
1120 | ||
1121 | for (i = 0; i < num_kcontrols; i++) { | |
1122 | mc = (struct snd_soc_tplg_mixer_control *)tplg->pos; | |
1123 | sm = kzalloc(sizeof(*sm), GFP_KERNEL); | |
1124 | if (sm == NULL) | |
1125 | goto err; | |
1126 | ||
1127 | tplg->pos += (sizeof(struct snd_soc_tplg_mixer_control) + | |
1128 | mc->priv.size); | |
1129 | ||
1130 | /* validate kcontrol */ | |
1131 | if (strnlen(mc->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1132 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1133 | goto err_str; | |
1134 | ||
1135 | dev_dbg(tplg->dev, " adding DAPM widget mixer control %s at %d\n", | |
1136 | mc->hdr.name, i); | |
1137 | ||
1138 | kc[i].name = mc->hdr.name; | |
1139 | kc[i].private_value = (long)sm; | |
1140 | kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1141 | kc[i].access = mc->hdr.access; | |
1142 | ||
1143 | /* we only support FL/FR channel mapping atm */ | |
1144 | sm->reg = tplc_chan_get_reg(tplg, mc->channel, | |
1145 | SNDRV_CHMAP_FL); | |
1146 | sm->rreg = tplc_chan_get_reg(tplg, mc->channel, | |
1147 | SNDRV_CHMAP_FR); | |
1148 | sm->shift = tplc_chan_get_shift(tplg, mc->channel, | |
1149 | SNDRV_CHMAP_FL); | |
1150 | sm->rshift = tplc_chan_get_shift(tplg, mc->channel, | |
1151 | SNDRV_CHMAP_FR); | |
1152 | ||
1153 | sm->max = mc->max; | |
1154 | sm->min = mc->min; | |
1155 | sm->invert = mc->invert; | |
1156 | sm->platform_max = mc->platform_max; | |
1157 | sm->dobj.index = tplg->index; | |
1158 | INIT_LIST_HEAD(&sm->dobj.list); | |
1159 | ||
1160 | /* map io handlers */ | |
2b5cdb91 | 1161 | err = soc_tplg_kcontrol_bind_io(&mc->hdr, &kc[i], tplg); |
8a978234 LG |
1162 | if (err) { |
1163 | soc_control_err(tplg, &mc->hdr, mc->hdr.name); | |
1164 | kfree(sm); | |
1165 | continue; | |
1166 | } | |
1167 | ||
1168 | /* pass control to driver for optional further init */ | |
1169 | err = soc_tplg_init_kcontrol(tplg, &kc[i], | |
1170 | (struct snd_soc_tplg_ctl_hdr *)mc); | |
1171 | if (err < 0) { | |
1172 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
1173 | mc->hdr.name); | |
1174 | kfree(sm); | |
1175 | continue; | |
1176 | } | |
1177 | } | |
1178 | return kc; | |
1179 | ||
1180 | err_str: | |
1181 | kfree(sm); | |
1182 | err: | |
1183 | for (--i; i >= 0; i--) | |
1184 | kfree((void *)kc[i].private_value); | |
1185 | kfree(kc); | |
1186 | return NULL; | |
1187 | } | |
1188 | ||
1189 | static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create( | |
1190 | struct soc_tplg *tplg) | |
1191 | { | |
1192 | struct snd_kcontrol_new *kc; | |
1193 | struct snd_soc_tplg_enum_control *ec; | |
1194 | struct soc_enum *se; | |
1195 | int i, err; | |
1196 | ||
1197 | ec = (struct snd_soc_tplg_enum_control *)tplg->pos; | |
1198 | tplg->pos += (sizeof(struct snd_soc_tplg_enum_control) + | |
1199 | ec->priv.size); | |
1200 | ||
1201 | /* validate kcontrol */ | |
1202 | if (strnlen(ec->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1203 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1204 | return NULL; | |
1205 | ||
1206 | kc = kzalloc(sizeof(*kc), GFP_KERNEL); | |
1207 | if (kc == NULL) | |
1208 | return NULL; | |
1209 | ||
1210 | se = kzalloc(sizeof(*se), GFP_KERNEL); | |
1211 | if (se == NULL) | |
1212 | goto err; | |
1213 | ||
1214 | dev_dbg(tplg->dev, " adding DAPM widget enum control %s\n", | |
1215 | ec->hdr.name); | |
1216 | ||
1217 | kc->name = ec->hdr.name; | |
1218 | kc->private_value = (long)se; | |
1219 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1220 | kc->access = ec->hdr.access; | |
1221 | ||
1222 | /* we only support FL/FR channel mapping atm */ | |
1223 | se->reg = tplc_chan_get_reg(tplg, ec->channel, SNDRV_CHMAP_FL); | |
1224 | se->shift_l = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FL); | |
1225 | se->shift_r = tplc_chan_get_shift(tplg, ec->channel, SNDRV_CHMAP_FR); | |
1226 | ||
1227 | se->items = ec->items; | |
1228 | se->mask = ec->mask; | |
1229 | se->dobj.index = tplg->index; | |
1230 | ||
1231 | switch (ec->hdr.ops.info) { | |
1232 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
1233 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
1234 | err = soc_tplg_denum_create_values(se, ec); | |
1235 | if (err < 0) { | |
1236 | dev_err(tplg->dev, "ASoC: could not create values for %s\n", | |
1237 | ec->hdr.name); | |
1238 | goto err_se; | |
1239 | } | |
1240 | /* fall through to create texts */ | |
1241 | case SND_SOC_TPLG_CTL_ENUM: | |
1242 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
1243 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
1244 | err = soc_tplg_denum_create_texts(se, ec); | |
1245 | if (err < 0) { | |
1246 | dev_err(tplg->dev, "ASoC: could not create texts for %s\n", | |
1247 | ec->hdr.name); | |
1248 | goto err_se; | |
1249 | } | |
1250 | break; | |
1251 | default: | |
1252 | dev_err(tplg->dev, "ASoC: invalid enum control type %d for %s\n", | |
1253 | ec->hdr.ops.info, ec->hdr.name); | |
1254 | goto err_se; | |
1255 | } | |
1256 | ||
1257 | /* map io handlers */ | |
2b5cdb91 | 1258 | err = soc_tplg_kcontrol_bind_io(&ec->hdr, kc, tplg); |
8a978234 LG |
1259 | if (err) { |
1260 | soc_control_err(tplg, &ec->hdr, ec->hdr.name); | |
1261 | goto err_se; | |
1262 | } | |
1263 | ||
1264 | /* pass control to driver for optional further init */ | |
1265 | err = soc_tplg_init_kcontrol(tplg, kc, | |
1266 | (struct snd_soc_tplg_ctl_hdr *)ec); | |
1267 | if (err < 0) { | |
1268 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
1269 | ec->hdr.name); | |
1270 | goto err_se; | |
1271 | } | |
1272 | ||
1273 | return kc; | |
1274 | ||
1275 | err_se: | |
1276 | /* free values and texts */ | |
1277 | kfree(se->dobj.control.dvalues); | |
1278 | for (i = 0; i < ec->items; i++) | |
1279 | kfree(se->dobj.control.dtexts[i]); | |
1280 | ||
1281 | kfree(se); | |
1282 | err: | |
1283 | kfree(kc); | |
1284 | ||
1285 | return NULL; | |
1286 | } | |
1287 | ||
1288 | static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create( | |
1289 | struct soc_tplg *tplg, int count) | |
1290 | { | |
1291 | struct snd_soc_tplg_bytes_control *be; | |
1292 | struct soc_bytes_ext *sbe; | |
1293 | struct snd_kcontrol_new *kc; | |
1294 | int i, err; | |
1295 | ||
4ca7deb1 | 1296 | kc = kcalloc(count, sizeof(*kc), GFP_KERNEL); |
8a978234 LG |
1297 | if (!kc) |
1298 | return NULL; | |
1299 | ||
1300 | for (i = 0; i < count; i++) { | |
1301 | be = (struct snd_soc_tplg_bytes_control *)tplg->pos; | |
1302 | ||
1303 | /* validate kcontrol */ | |
1304 | if (strnlen(be->hdr.name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1305 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1306 | goto err; | |
1307 | ||
1308 | sbe = kzalloc(sizeof(*sbe), GFP_KERNEL); | |
1309 | if (sbe == NULL) | |
1310 | goto err; | |
1311 | ||
1312 | tplg->pos += (sizeof(struct snd_soc_tplg_bytes_control) + | |
1313 | be->priv.size); | |
1314 | ||
1315 | dev_dbg(tplg->dev, | |
1316 | "ASoC: adding bytes kcontrol %s with access 0x%x\n", | |
1317 | be->hdr.name, be->hdr.access); | |
1318 | ||
8a978234 LG |
1319 | kc[i].name = be->hdr.name; |
1320 | kc[i].private_value = (long)sbe; | |
1321 | kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1322 | kc[i].access = be->hdr.access; | |
1323 | ||
1324 | sbe->max = be->max; | |
1325 | INIT_LIST_HEAD(&sbe->dobj.list); | |
1326 | ||
1327 | /* map standard io handlers and check for external handlers */ | |
2b5cdb91 | 1328 | err = soc_tplg_kcontrol_bind_io(&be->hdr, &kc[i], tplg); |
8a978234 LG |
1329 | if (err) { |
1330 | soc_control_err(tplg, &be->hdr, be->hdr.name); | |
1331 | kfree(sbe); | |
1332 | continue; | |
1333 | } | |
1334 | ||
1335 | /* pass control to driver for optional further init */ | |
1336 | err = soc_tplg_init_kcontrol(tplg, &kc[i], | |
1337 | (struct snd_soc_tplg_ctl_hdr *)be); | |
1338 | if (err < 0) { | |
1339 | dev_err(tplg->dev, "ASoC: failed to init %s\n", | |
1340 | be->hdr.name); | |
1341 | kfree(sbe); | |
1342 | continue; | |
1343 | } | |
1344 | } | |
1345 | ||
1346 | return kc; | |
1347 | ||
1348 | err: | |
1349 | for (--i; i >= 0; i--) | |
1350 | kfree((void *)kc[i].private_value); | |
1351 | ||
1352 | kfree(kc); | |
1353 | return NULL; | |
1354 | } | |
1355 | ||
1356 | static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg, | |
1357 | struct snd_soc_tplg_dapm_widget *w) | |
1358 | { | |
1359 | struct snd_soc_dapm_context *dapm = &tplg->comp->dapm; | |
1360 | struct snd_soc_dapm_widget template, *widget; | |
1361 | struct snd_soc_tplg_ctl_hdr *control_hdr; | |
1362 | struct snd_soc_card *card = tplg->comp->card; | |
1363 | int ret = 0; | |
1364 | ||
1365 | if (strnlen(w->name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1366 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1367 | return -EINVAL; | |
1368 | if (strnlen(w->sname, SNDRV_CTL_ELEM_ID_NAME_MAXLEN) == | |
1369 | SNDRV_CTL_ELEM_ID_NAME_MAXLEN) | |
1370 | return -EINVAL; | |
1371 | ||
1372 | dev_dbg(tplg->dev, "ASoC: creating DAPM widget %s id %d\n", | |
1373 | w->name, w->id); | |
1374 | ||
1375 | memset(&template, 0, sizeof(template)); | |
1376 | ||
1377 | /* map user to kernel widget ID */ | |
1378 | template.id = get_widget_id(w->id); | |
1379 | if (template.id < 0) | |
1380 | return template.id; | |
1381 | ||
1382 | template.name = kstrdup(w->name, GFP_KERNEL); | |
1383 | if (!template.name) | |
1384 | return -ENOMEM; | |
1385 | template.sname = kstrdup(w->sname, GFP_KERNEL); | |
1386 | if (!template.sname) { | |
1387 | ret = -ENOMEM; | |
1388 | goto err; | |
1389 | } | |
1390 | template.reg = w->reg; | |
1391 | template.shift = w->shift; | |
1392 | template.mask = w->mask; | |
6dc6db79 | 1393 | template.subseq = w->subseq; |
8a978234 LG |
1394 | template.on_val = w->invert ? 0 : 1; |
1395 | template.off_val = w->invert ? 1 : 0; | |
1396 | template.ignore_suspend = w->ignore_suspend; | |
1397 | template.event_flags = w->event_flags; | |
1398 | template.dobj.index = tplg->index; | |
1399 | ||
1400 | tplg->pos += | |
1401 | (sizeof(struct snd_soc_tplg_dapm_widget) + w->priv.size); | |
1402 | if (w->num_kcontrols == 0) { | |
1403 | template.num_kcontrols = 0; | |
1404 | goto widget; | |
1405 | } | |
1406 | ||
1407 | control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos; | |
1408 | dev_dbg(tplg->dev, "ASoC: template %s has %d controls of type %x\n", | |
1409 | w->name, w->num_kcontrols, control_hdr->type); | |
1410 | ||
1411 | switch (control_hdr->ops.info) { | |
1412 | case SND_SOC_TPLG_CTL_VOLSW: | |
1413 | case SND_SOC_TPLG_CTL_STROBE: | |
1414 | case SND_SOC_TPLG_CTL_VOLSW_SX: | |
1415 | case SND_SOC_TPLG_CTL_VOLSW_XR_SX: | |
1416 | case SND_SOC_TPLG_CTL_RANGE: | |
1417 | case SND_SOC_TPLG_DAPM_CTL_VOLSW: | |
1418 | template.num_kcontrols = w->num_kcontrols; | |
1419 | template.kcontrol_news = | |
1420 | soc_tplg_dapm_widget_dmixer_create(tplg, | |
1421 | template.num_kcontrols); | |
1422 | if (!template.kcontrol_news) { | |
1423 | ret = -ENOMEM; | |
1424 | goto hdr_err; | |
1425 | } | |
1426 | break; | |
1427 | case SND_SOC_TPLG_CTL_ENUM: | |
1428 | case SND_SOC_TPLG_CTL_ENUM_VALUE: | |
1429 | case SND_SOC_TPLG_DAPM_CTL_ENUM_DOUBLE: | |
1430 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VIRT: | |
1431 | case SND_SOC_TPLG_DAPM_CTL_ENUM_VALUE: | |
1432 | template.dobj.widget.kcontrol_enum = 1; | |
1433 | template.num_kcontrols = 1; | |
1434 | template.kcontrol_news = | |
1435 | soc_tplg_dapm_widget_denum_create(tplg); | |
1436 | if (!template.kcontrol_news) { | |
1437 | ret = -ENOMEM; | |
1438 | goto hdr_err; | |
1439 | } | |
1440 | break; | |
1441 | case SND_SOC_TPLG_CTL_BYTES: | |
1442 | template.num_kcontrols = w->num_kcontrols; | |
1443 | template.kcontrol_news = | |
1444 | soc_tplg_dapm_widget_dbytes_create(tplg, | |
1445 | template.num_kcontrols); | |
1446 | if (!template.kcontrol_news) { | |
1447 | ret = -ENOMEM; | |
1448 | goto hdr_err; | |
1449 | } | |
1450 | break; | |
1451 | default: | |
1452 | dev_err(tplg->dev, "ASoC: invalid widget control type %d:%d:%d\n", | |
1453 | control_hdr->ops.get, control_hdr->ops.put, | |
1454 | control_hdr->ops.info); | |
1455 | ret = -EINVAL; | |
1456 | goto hdr_err; | |
1457 | } | |
1458 | ||
1459 | widget: | |
1460 | ret = soc_tplg_widget_load(tplg, &template, w); | |
1461 | if (ret < 0) | |
1462 | goto hdr_err; | |
1463 | ||
1464 | /* card dapm mutex is held by the core if we are loading topology | |
1465 | * data during sound card init. */ | |
1466 | if (card->instantiated) | |
1467 | widget = snd_soc_dapm_new_control(dapm, &template); | |
1468 | else | |
1469 | widget = snd_soc_dapm_new_control_unlocked(dapm, &template); | |
1470 | if (widget == NULL) { | |
1471 | dev_err(tplg->dev, "ASoC: failed to create widget %s controls\n", | |
1472 | w->name); | |
1473 | goto hdr_err; | |
1474 | } | |
1475 | ||
1476 | widget->dobj.type = SND_SOC_DOBJ_WIDGET; | |
1477 | widget->dobj.ops = tplg->ops; | |
1478 | widget->dobj.index = tplg->index; | |
1479 | list_add(&widget->dobj.list, &tplg->comp->dobj_list); | |
1480 | return 0; | |
1481 | ||
1482 | hdr_err: | |
1483 | kfree(template.sname); | |
1484 | err: | |
1485 | kfree(template.name); | |
1486 | return ret; | |
1487 | } | |
1488 | ||
1489 | static int soc_tplg_dapm_widget_elems_load(struct soc_tplg *tplg, | |
1490 | struct snd_soc_tplg_hdr *hdr) | |
1491 | { | |
1492 | struct snd_soc_tplg_dapm_widget *widget; | |
1493 | int ret, count = hdr->count, i; | |
1494 | ||
1495 | if (tplg->pass != SOC_TPLG_PASS_WIDGET) | |
1496 | return 0; | |
1497 | ||
1498 | dev_dbg(tplg->dev, "ASoC: adding %d DAPM widgets\n", count); | |
1499 | ||
1500 | for (i = 0; i < count; i++) { | |
1501 | widget = (struct snd_soc_tplg_dapm_widget *) tplg->pos; | |
1502 | ret = soc_tplg_dapm_widget_create(tplg, widget); | |
1503 | if (ret < 0) | |
1504 | dev_err(tplg->dev, "ASoC: failed to load widget %s\n", | |
1505 | widget->name); | |
1506 | } | |
1507 | ||
1508 | return 0; | |
1509 | } | |
1510 | ||
1511 | static int soc_tplg_dapm_complete(struct soc_tplg *tplg) | |
1512 | { | |
1513 | struct snd_soc_card *card = tplg->comp->card; | |
1514 | int ret; | |
1515 | ||
1516 | /* Card might not have been registered at this point. | |
1517 | * If so, just return success. | |
1518 | */ | |
1519 | if (!card || !card->instantiated) { | |
1520 | dev_warn(tplg->dev, "ASoC: Parent card not yet available," | |
1521 | "Do not add new widgets now\n"); | |
1522 | return 0; | |
1523 | } | |
1524 | ||
1525 | ret = snd_soc_dapm_new_widgets(card); | |
1526 | if (ret < 0) | |
1527 | dev_err(tplg->dev, "ASoC: failed to create new widgets %d\n", | |
1528 | ret); | |
1529 | ||
1530 | return 0; | |
1531 | } | |
1532 | ||
b6b6e4d6 ML |
1533 | static void set_stream_info(struct snd_soc_pcm_stream *stream, |
1534 | struct snd_soc_tplg_stream_caps *caps) | |
1535 | { | |
1536 | stream->stream_name = kstrdup(caps->name, GFP_KERNEL); | |
1537 | stream->channels_min = caps->channels_min; | |
1538 | stream->channels_max = caps->channels_max; | |
1539 | stream->rates = caps->rates; | |
1540 | stream->rate_min = caps->rate_min; | |
1541 | stream->rate_max = caps->rate_max; | |
1542 | stream->formats = caps->formats; | |
1543 | } | |
1544 | ||
64527e8a ML |
1545 | static int soc_tplg_dai_create(struct soc_tplg *tplg, |
1546 | struct snd_soc_tplg_pcm *pcm) | |
1547 | { | |
1548 | struct snd_soc_dai_driver *dai_drv; | |
1549 | struct snd_soc_pcm_stream *stream; | |
1550 | struct snd_soc_tplg_stream_caps *caps; | |
1551 | int ret; | |
1552 | ||
1553 | dai_drv = kzalloc(sizeof(struct snd_soc_dai_driver), GFP_KERNEL); | |
1554 | if (dai_drv == NULL) | |
1555 | return -ENOMEM; | |
1556 | ||
1557 | dai_drv->name = pcm->dai_name; | |
1558 | dai_drv->id = pcm->dai_id; | |
1559 | ||
1560 | if (pcm->playback) { | |
1561 | stream = &dai_drv->playback; | |
1562 | caps = &pcm->caps[SND_SOC_TPLG_STREAM_PLAYBACK]; | |
b6b6e4d6 | 1563 | set_stream_info(stream, caps); |
64527e8a ML |
1564 | } |
1565 | ||
1566 | if (pcm->capture) { | |
1567 | stream = &dai_drv->capture; | |
1568 | caps = &pcm->caps[SND_SOC_TPLG_STREAM_CAPTURE]; | |
b6b6e4d6 | 1569 | set_stream_info(stream, caps); |
64527e8a ML |
1570 | } |
1571 | ||
1572 | /* pass control to component driver for optional further init */ | |
1573 | ret = soc_tplg_dai_load(tplg, dai_drv); | |
1574 | if (ret < 0) { | |
1575 | dev_err(tplg->comp->dev, "ASoC: DAI loading failed\n"); | |
1576 | kfree(dai_drv); | |
1577 | return ret; | |
1578 | } | |
1579 | ||
1580 | dai_drv->dobj.index = tplg->index; | |
1581 | dai_drv->dobj.ops = tplg->ops; | |
1582 | dai_drv->dobj.type = SND_SOC_DOBJ_PCM; | |
1583 | list_add(&dai_drv->dobj.list, &tplg->comp->dobj_list); | |
1584 | ||
1585 | /* register the DAI to the component */ | |
1586 | return snd_soc_register_dai(tplg->comp, dai_drv); | |
1587 | } | |
1588 | ||
acfc7d46 ML |
1589 | static int soc_tplg_link_create(struct soc_tplg *tplg, |
1590 | struct snd_soc_tplg_pcm *pcm) | |
1591 | { | |
1592 | struct snd_soc_dai_link *link; | |
1593 | int ret; | |
1594 | ||
1595 | link = kzalloc(sizeof(struct snd_soc_dai_link), GFP_KERNEL); | |
1596 | if (link == NULL) | |
1597 | return -ENOMEM; | |
1598 | ||
1599 | link->name = pcm->pcm_name; | |
1600 | link->stream_name = pcm->pcm_name; | |
1601 | ||
1602 | /* pass control to component driver for optional further init */ | |
1603 | ret = soc_tplg_dai_link_load(tplg, link); | |
1604 | if (ret < 0) { | |
1605 | dev_err(tplg->comp->dev, "ASoC: FE link loading failed\n"); | |
1606 | kfree(link); | |
1607 | return ret; | |
1608 | } | |
1609 | ||
1610 | link->dobj.index = tplg->index; | |
1611 | link->dobj.ops = tplg->ops; | |
1612 | link->dobj.type = SND_SOC_DOBJ_DAI_LINK; | |
1613 | list_add(&link->dobj.list, &tplg->comp->dobj_list); | |
1614 | ||
1615 | snd_soc_add_dai_link(tplg->comp->card, link); | |
1616 | return 0; | |
1617 | } | |
1618 | ||
1619 | /* create a FE DAI and DAI link from the PCM object */ | |
64527e8a ML |
1620 | static int soc_tplg_pcm_create(struct soc_tplg *tplg, |
1621 | struct snd_soc_tplg_pcm *pcm) | |
1622 | { | |
acfc7d46 ML |
1623 | int ret; |
1624 | ||
1625 | ret = soc_tplg_dai_create(tplg, pcm); | |
1626 | if (ret < 0) | |
1627 | return ret; | |
1628 | ||
1629 | return soc_tplg_link_create(tplg, pcm); | |
64527e8a ML |
1630 | } |
1631 | ||
1632 | static int soc_tplg_pcm_elems_load(struct soc_tplg *tplg, | |
8a978234 LG |
1633 | struct snd_soc_tplg_hdr *hdr) |
1634 | { | |
64527e8a | 1635 | struct snd_soc_tplg_pcm *pcm; |
8a978234 | 1636 | int count = hdr->count; |
64527e8a | 1637 | int i; |
8a978234 LG |
1638 | |
1639 | if (tplg->pass != SOC_TPLG_PASS_PCM_DAI) | |
1640 | return 0; | |
1641 | ||
64527e8a | 1642 | pcm = (struct snd_soc_tplg_pcm *)tplg->pos; |
8a978234 LG |
1643 | |
1644 | if (soc_tplg_check_elem_count(tplg, | |
5b2688a5 | 1645 | sizeof(struct snd_soc_tplg_pcm), count, |
8a978234 LG |
1646 | hdr->payload_size, "PCM DAI")) { |
1647 | dev_err(tplg->dev, "ASoC: invalid count %d for PCM DAI elems\n", | |
1648 | count); | |
1649 | return -EINVAL; | |
1650 | } | |
1651 | ||
64527e8a ML |
1652 | /* create the FE DAIs and DAI links */ |
1653 | for (i = 0; i < count; i++) { | |
1654 | soc_tplg_pcm_create(tplg, pcm); | |
1655 | pcm++; | |
1656 | } | |
1657 | ||
8a978234 | 1658 | dev_dbg(tplg->dev, "ASoC: adding %d PCM DAIs\n", count); |
5b2688a5 | 1659 | tplg->pos += sizeof(struct snd_soc_tplg_pcm) * count; |
8a978234 | 1660 | |
8a978234 | 1661 | return 0; |
8a978234 LG |
1662 | } |
1663 | ||
1664 | static int soc_tplg_manifest_load(struct soc_tplg *tplg, | |
1665 | struct snd_soc_tplg_hdr *hdr) | |
1666 | { | |
1667 | struct snd_soc_tplg_manifest *manifest; | |
1668 | ||
1669 | if (tplg->pass != SOC_TPLG_PASS_MANIFEST) | |
1670 | return 0; | |
1671 | ||
1672 | manifest = (struct snd_soc_tplg_manifest *)tplg->pos; | |
1673 | tplg->pos += sizeof(struct snd_soc_tplg_manifest); | |
1674 | ||
1675 | if (tplg->comp && tplg->ops && tplg->ops->manifest) | |
1676 | return tplg->ops->manifest(tplg->comp, manifest); | |
1677 | ||
1678 | dev_err(tplg->dev, "ASoC: Firmware manifest not supported\n"); | |
1679 | return 0; | |
1680 | } | |
1681 | ||
1682 | /* validate header magic, size and type */ | |
1683 | static int soc_valid_header(struct soc_tplg *tplg, | |
1684 | struct snd_soc_tplg_hdr *hdr) | |
1685 | { | |
1686 | if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size) | |
1687 | return 0; | |
1688 | ||
1689 | /* big endian firmware objects not supported atm */ | |
1690 | if (hdr->magic == cpu_to_be32(SND_SOC_TPLG_MAGIC)) { | |
1691 | dev_err(tplg->dev, | |
1692 | "ASoC: pass %d big endian not supported header got %x at offset 0x%lx size 0x%zx.\n", | |
1693 | tplg->pass, hdr->magic, | |
1694 | soc_tplg_get_hdr_offset(tplg), tplg->fw->size); | |
1695 | return -EINVAL; | |
1696 | } | |
1697 | ||
1698 | if (hdr->magic != SND_SOC_TPLG_MAGIC) { | |
1699 | dev_err(tplg->dev, | |
1700 | "ASoC: pass %d does not have a valid header got %x at offset 0x%lx size 0x%zx.\n", | |
1701 | tplg->pass, hdr->magic, | |
1702 | soc_tplg_get_hdr_offset(tplg), tplg->fw->size); | |
1703 | return -EINVAL; | |
1704 | } | |
1705 | ||
1706 | if (hdr->abi != SND_SOC_TPLG_ABI_VERSION) { | |
1707 | dev_err(tplg->dev, | |
1708 | "ASoC: pass %d invalid ABI version got 0x%x need 0x%x at offset 0x%lx size 0x%zx.\n", | |
1709 | tplg->pass, hdr->abi, | |
1710 | SND_SOC_TPLG_ABI_VERSION, soc_tplg_get_hdr_offset(tplg), | |
1711 | tplg->fw->size); | |
1712 | return -EINVAL; | |
1713 | } | |
1714 | ||
1715 | if (hdr->payload_size == 0) { | |
1716 | dev_err(tplg->dev, "ASoC: header has 0 size at offset 0x%lx.\n", | |
1717 | soc_tplg_get_hdr_offset(tplg)); | |
1718 | return -EINVAL; | |
1719 | } | |
1720 | ||
1721 | if (tplg->pass == hdr->type) | |
1722 | dev_dbg(tplg->dev, | |
1723 | "ASoC: Got 0x%x bytes of type %d version %d vendor %d at pass %d\n", | |
1724 | hdr->payload_size, hdr->type, hdr->version, | |
1725 | hdr->vendor_type, tplg->pass); | |
1726 | ||
1727 | return 1; | |
1728 | } | |
1729 | ||
1730 | /* check header type and call appropriate handler */ | |
1731 | static int soc_tplg_load_header(struct soc_tplg *tplg, | |
1732 | struct snd_soc_tplg_hdr *hdr) | |
1733 | { | |
1734 | tplg->pos = tplg->hdr_pos + sizeof(struct snd_soc_tplg_hdr); | |
1735 | ||
1736 | /* check for matching ID */ | |
1737 | if (hdr->index != tplg->req_index && | |
1738 | hdr->index != SND_SOC_TPLG_INDEX_ALL) | |
1739 | return 0; | |
1740 | ||
1741 | tplg->index = hdr->index; | |
1742 | ||
1743 | switch (hdr->type) { | |
1744 | case SND_SOC_TPLG_TYPE_MIXER: | |
1745 | case SND_SOC_TPLG_TYPE_ENUM: | |
1746 | case SND_SOC_TPLG_TYPE_BYTES: | |
1747 | return soc_tplg_kcontrol_elems_load(tplg, hdr); | |
1748 | case SND_SOC_TPLG_TYPE_DAPM_GRAPH: | |
1749 | return soc_tplg_dapm_graph_elems_load(tplg, hdr); | |
1750 | case SND_SOC_TPLG_TYPE_DAPM_WIDGET: | |
1751 | return soc_tplg_dapm_widget_elems_load(tplg, hdr); | |
1752 | case SND_SOC_TPLG_TYPE_PCM: | |
64527e8a | 1753 | return soc_tplg_pcm_elems_load(tplg, hdr); |
8a978234 LG |
1754 | case SND_SOC_TPLG_TYPE_MANIFEST: |
1755 | return soc_tplg_manifest_load(tplg, hdr); | |
1756 | default: | |
1757 | /* bespoke vendor data object */ | |
1758 | return soc_tplg_vendor_load(tplg, hdr); | |
1759 | } | |
1760 | ||
1761 | return 0; | |
1762 | } | |
1763 | ||
1764 | /* process the topology file headers */ | |
1765 | static int soc_tplg_process_headers(struct soc_tplg *tplg) | |
1766 | { | |
1767 | struct snd_soc_tplg_hdr *hdr; | |
1768 | int ret; | |
1769 | ||
1770 | tplg->pass = SOC_TPLG_PASS_START; | |
1771 | ||
1772 | /* process the header types from start to end */ | |
1773 | while (tplg->pass <= SOC_TPLG_PASS_END) { | |
1774 | ||
1775 | tplg->hdr_pos = tplg->fw->data; | |
1776 | hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; | |
1777 | ||
1778 | while (!soc_tplg_is_eof(tplg)) { | |
1779 | ||
1780 | /* make sure header is valid before loading */ | |
1781 | ret = soc_valid_header(tplg, hdr); | |
1782 | if (ret < 0) | |
1783 | return ret; | |
1784 | else if (ret == 0) | |
1785 | break; | |
1786 | ||
1787 | /* load the header object */ | |
1788 | ret = soc_tplg_load_header(tplg, hdr); | |
1789 | if (ret < 0) | |
1790 | return ret; | |
1791 | ||
1792 | /* goto next header */ | |
1793 | tplg->hdr_pos += hdr->payload_size + | |
1794 | sizeof(struct snd_soc_tplg_hdr); | |
1795 | hdr = (struct snd_soc_tplg_hdr *)tplg->hdr_pos; | |
1796 | } | |
1797 | ||
1798 | /* next data type pass */ | |
1799 | tplg->pass++; | |
1800 | } | |
1801 | ||
1802 | /* signal DAPM we are complete */ | |
1803 | ret = soc_tplg_dapm_complete(tplg); | |
1804 | if (ret < 0) | |
1805 | dev_err(tplg->dev, | |
1806 | "ASoC: failed to initialise DAPM from Firmware\n"); | |
1807 | ||
1808 | return ret; | |
1809 | } | |
1810 | ||
1811 | static int soc_tplg_load(struct soc_tplg *tplg) | |
1812 | { | |
1813 | int ret; | |
1814 | ||
1815 | ret = soc_tplg_process_headers(tplg); | |
1816 | if (ret == 0) | |
1817 | soc_tplg_complete(tplg); | |
1818 | ||
1819 | return ret; | |
1820 | } | |
1821 | ||
1822 | /* load audio component topology from "firmware" file */ | |
1823 | int snd_soc_tplg_component_load(struct snd_soc_component *comp, | |
1824 | struct snd_soc_tplg_ops *ops, const struct firmware *fw, u32 id) | |
1825 | { | |
1826 | struct soc_tplg tplg; | |
1827 | ||
1828 | /* setup parsing context */ | |
1829 | memset(&tplg, 0, sizeof(tplg)); | |
1830 | tplg.fw = fw; | |
1831 | tplg.dev = comp->dev; | |
1832 | tplg.comp = comp; | |
1833 | tplg.ops = ops; | |
1834 | tplg.req_index = id; | |
1835 | tplg.io_ops = ops->io_ops; | |
1836 | tplg.io_ops_count = ops->io_ops_count; | |
1a3232d2 ML |
1837 | tplg.bytes_ext_ops = ops->bytes_ext_ops; |
1838 | tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count; | |
8a978234 LG |
1839 | |
1840 | return soc_tplg_load(&tplg); | |
1841 | } | |
1842 | EXPORT_SYMBOL_GPL(snd_soc_tplg_component_load); | |
1843 | ||
1844 | /* remove this dynamic widget */ | |
1845 | void snd_soc_tplg_widget_remove(struct snd_soc_dapm_widget *w) | |
1846 | { | |
1847 | /* make sure we are a widget */ | |
1848 | if (w->dobj.type != SND_SOC_DOBJ_WIDGET) | |
1849 | return; | |
1850 | ||
1851 | remove_widget(w->dapm->component, &w->dobj, SOC_TPLG_PASS_WIDGET); | |
1852 | } | |
1853 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove); | |
1854 | ||
1855 | /* remove all dynamic widgets from this DAPM context */ | |
1856 | void snd_soc_tplg_widget_remove_all(struct snd_soc_dapm_context *dapm, | |
1857 | u32 index) | |
1858 | { | |
1859 | struct snd_soc_dapm_widget *w, *next_w; | |
8a978234 LG |
1860 | |
1861 | list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) { | |
1862 | ||
1863 | /* make sure we are a widget with correct context */ | |
1864 | if (w->dobj.type != SND_SOC_DOBJ_WIDGET || w->dapm != dapm) | |
1865 | continue; | |
1866 | ||
1867 | /* match ID */ | |
1868 | if (w->dobj.index != index && | |
1869 | w->dobj.index != SND_SOC_TPLG_INDEX_ALL) | |
1870 | continue; | |
8a978234 LG |
1871 | /* check and free and dynamic widget kcontrols */ |
1872 | snd_soc_tplg_widget_remove(w); | |
b97e2698 | 1873 | snd_soc_dapm_free_widget(w); |
8a978234 | 1874 | } |
fd589a1b | 1875 | snd_soc_dapm_reset_cache(dapm); |
8a978234 LG |
1876 | } |
1877 | EXPORT_SYMBOL_GPL(snd_soc_tplg_widget_remove_all); | |
1878 | ||
1879 | /* remove dynamic controls from the component driver */ | |
1880 | int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) | |
1881 | { | |
1882 | struct snd_soc_dobj *dobj, *next_dobj; | |
1883 | int pass = SOC_TPLG_PASS_END; | |
1884 | ||
1885 | /* process the header types from end to start */ | |
1886 | while (pass >= SOC_TPLG_PASS_START) { | |
1887 | ||
1888 | /* remove mixer controls */ | |
1889 | list_for_each_entry_safe(dobj, next_dobj, &comp->dobj_list, | |
1890 | list) { | |
1891 | ||
1892 | /* match index */ | |
1893 | if (dobj->index != index && | |
1894 | dobj->index != SND_SOC_TPLG_INDEX_ALL) | |
1895 | continue; | |
1896 | ||
1897 | switch (dobj->type) { | |
1898 | case SND_SOC_DOBJ_MIXER: | |
1899 | remove_mixer(comp, dobj, pass); | |
1900 | break; | |
1901 | case SND_SOC_DOBJ_ENUM: | |
1902 | remove_enum(comp, dobj, pass); | |
1903 | break; | |
1904 | case SND_SOC_DOBJ_BYTES: | |
1905 | remove_bytes(comp, dobj, pass); | |
1906 | break; | |
1907 | case SND_SOC_DOBJ_WIDGET: | |
1908 | remove_widget(comp, dobj, pass); | |
1909 | break; | |
1910 | case SND_SOC_DOBJ_PCM: | |
64527e8a | 1911 | remove_dai(comp, dobj, pass); |
8a978234 | 1912 | break; |
acfc7d46 ML |
1913 | case SND_SOC_DOBJ_DAI_LINK: |
1914 | remove_link(comp, dobj, pass); | |
1915 | break; | |
8a978234 LG |
1916 | default: |
1917 | dev_err(comp->dev, "ASoC: invalid component type %d for removal\n", | |
1918 | dobj->type); | |
1919 | break; | |
1920 | } | |
1921 | } | |
1922 | pass--; | |
1923 | } | |
1924 | ||
1925 | /* let caller know if FW can be freed when no objects are left */ | |
1926 | return !list_empty(&comp->dobj_list); | |
1927 | } | |
1928 | EXPORT_SYMBOL_GPL(snd_soc_tplg_component_remove); |