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