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Commit | Line | Data |
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db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
db2a4165 | 37 | #include <sound/core.h> |
3028eb8c | 38 | #include <sound/jack.h> |
db2a4165 FM |
39 | #include <sound/pcm.h> |
40 | #include <sound/pcm_params.h> | |
41 | #include <sound/soc.h> | |
01d7584c | 42 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
43 | #include <sound/initval.h> |
44 | ||
a8b1d34f MB |
45 | #define CREATE_TRACE_POINTS |
46 | #include <trace/events/asoc.h> | |
47 | ||
f0fba2ad LG |
48 | #define NAME_SIZE 32 |
49 | ||
384c89e2 | 50 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
51 | struct dentry *snd_soc_debugfs_root; |
52 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
53 | #endif |
54 | ||
c5af3a2e | 55 | static DEFINE_MUTEX(client_mutex); |
12a48a8c | 56 | static LIST_HEAD(platform_list); |
0d0cf00a | 57 | static LIST_HEAD(codec_list); |
030e79f6 | 58 | static LIST_HEAD(component_list); |
c5af3a2e | 59 | |
db2a4165 FM |
60 | /* |
61 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
62 | * It can be used to eliminate pops between different playback streams, e.g. | |
63 | * between two audio tracks. | |
64 | */ | |
65 | static int pmdown_time = 5000; | |
66 | module_param(pmdown_time, int, 0); | |
67 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
68 | ||
2bc9a81e DP |
69 | /* returns the minimum number of bytes needed to represent |
70 | * a particular given value */ | |
71 | static int min_bytes_needed(unsigned long val) | |
72 | { | |
73 | int c = 0; | |
74 | int i; | |
75 | ||
76 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
77 | if (val & (1UL << i)) | |
78 | break; | |
79 | c = (sizeof val * 8) - c; | |
80 | if (!c || (c % 8)) | |
81 | c = (c + 8) / 8; | |
82 | else | |
83 | c /= 8; | |
84 | return c; | |
85 | } | |
86 | ||
13fd179f DP |
87 | /* fill buf which is 'len' bytes with a formatted |
88 | * string of the form 'reg: value\n' */ | |
89 | static int format_register_str(struct snd_soc_codec *codec, | |
90 | unsigned int reg, char *buf, size_t len) | |
91 | { | |
00b317a4 SW |
92 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
93 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f | 94 | int ret; |
13fd179f DP |
95 | |
96 | /* +2 for ': ' and + 1 for '\n' */ | |
97 | if (wordsize + regsize + 2 + 1 != len) | |
98 | return -EINVAL; | |
99 | ||
d6b6c2ca TI |
100 | sprintf(buf, "%.*x: ", wordsize, reg); |
101 | buf += wordsize + 2; | |
13fd179f | 102 | |
d6b6c2ca TI |
103 | ret = snd_soc_read(codec, reg); |
104 | if (ret < 0) | |
105 | memset(buf, 'X', regsize); | |
106 | else | |
107 | sprintf(buf, "%.*x", regsize, ret); | |
108 | buf[regsize] = '\n'; | |
109 | /* no NUL-termination needed */ | |
13fd179f DP |
110 | return 0; |
111 | } | |
112 | ||
2624d5fa | 113 | /* codec register dump */ |
13fd179f DP |
114 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
115 | size_t count, loff_t pos) | |
2624d5fa | 116 | { |
13fd179f | 117 | int i, step = 1; |
2bc9a81e | 118 | int wordsize, regsize; |
13fd179f DP |
119 | int len; |
120 | size_t total = 0; | |
121 | loff_t p = 0; | |
2bc9a81e | 122 | |
00b317a4 SW |
123 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
124 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 125 | |
13fd179f DP |
126 | len = wordsize + regsize + 2 + 1; |
127 | ||
f0fba2ad | 128 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
129 | return 0; |
130 | ||
f0fba2ad LG |
131 | if (codec->driver->reg_cache_step) |
132 | step = codec->driver->reg_cache_step; | |
2624d5fa | 133 | |
f0fba2ad | 134 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
20a0ec27 LPC |
135 | /* only support larger than PAGE_SIZE bytes debugfs |
136 | * entries for the default case */ | |
137 | if (p >= pos) { | |
138 | if (total + len >= count - 1) | |
139 | break; | |
140 | format_register_str(codec, i, buf + total, len); | |
141 | total += len; | |
5164d74d | 142 | } |
20a0ec27 | 143 | p += len; |
2624d5fa MB |
144 | } |
145 | ||
13fd179f | 146 | total = min(total, count - 1); |
2624d5fa | 147 | |
13fd179f | 148 | return total; |
2624d5fa | 149 | } |
13fd179f | 150 | |
2624d5fa MB |
151 | static ssize_t codec_reg_show(struct device *dev, |
152 | struct device_attribute *attr, char *buf) | |
153 | { | |
36ae1a96 | 154 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 155 | |
13fd179f | 156 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
157 | } |
158 | ||
159 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
160 | ||
dbe21408 MB |
161 | static ssize_t pmdown_time_show(struct device *dev, |
162 | struct device_attribute *attr, char *buf) | |
163 | { | |
36ae1a96 | 164 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 165 | |
f0fba2ad | 166 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
167 | } |
168 | ||
169 | static ssize_t pmdown_time_set(struct device *dev, | |
170 | struct device_attribute *attr, | |
171 | const char *buf, size_t count) | |
172 | { | |
36ae1a96 | 173 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 174 | int ret; |
dbe21408 | 175 | |
b785a492 | 176 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
177 | if (ret) |
178 | return ret; | |
dbe21408 MB |
179 | |
180 | return count; | |
181 | } | |
182 | ||
183 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
184 | ||
d29697dc TI |
185 | static struct attribute *soc_dev_attrs[] = { |
186 | &dev_attr_codec_reg.attr, | |
187 | &dev_attr_pmdown_time.attr, | |
188 | NULL | |
189 | }; | |
190 | ||
191 | static umode_t soc_dev_attr_is_visible(struct kobject *kobj, | |
192 | struct attribute *attr, int idx) | |
193 | { | |
194 | struct device *dev = kobj_to_dev(kobj); | |
195 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); | |
196 | ||
197 | if (attr == &dev_attr_pmdown_time.attr) | |
198 | return attr->mode; /* always visible */ | |
199 | return rtd->codec ? attr->mode : 0; /* enabled only with codec */ | |
200 | } | |
201 | ||
202 | static const struct attribute_group soc_dapm_dev_group = { | |
203 | .attrs = soc_dapm_dev_attrs, | |
204 | .is_visible = soc_dev_attr_is_visible, | |
205 | }; | |
206 | ||
207 | static const struct attribute_group soc_dev_roup = { | |
208 | .attrs = soc_dev_attrs, | |
209 | .is_visible = soc_dev_attr_is_visible, | |
210 | }; | |
211 | ||
212 | static const struct attribute_group *soc_dev_attr_groups[] = { | |
213 | &soc_dapm_dev_group, | |
214 | &soc_dev_roup, | |
215 | NULL | |
216 | }; | |
217 | ||
2624d5fa | 218 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 219 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 220 | size_t count, loff_t *ppos) |
2624d5fa MB |
221 | { |
222 | ssize_t ret; | |
223 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
224 | char *buf; |
225 | ||
226 | if (*ppos < 0 || !count) | |
227 | return -EINVAL; | |
228 | ||
229 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
230 | if (!buf) |
231 | return -ENOMEM; | |
13fd179f DP |
232 | |
233 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
234 | if (ret >= 0) { | |
235 | if (copy_to_user(user_buf, buf, ret)) { | |
236 | kfree(buf); | |
237 | return -EFAULT; | |
238 | } | |
239 | *ppos += ret; | |
240 | } | |
241 | ||
2624d5fa MB |
242 | kfree(buf); |
243 | return ret; | |
244 | } | |
245 | ||
246 | static ssize_t codec_reg_write_file(struct file *file, | |
247 | const char __user *user_buf, size_t count, loff_t *ppos) | |
248 | { | |
249 | char buf[32]; | |
34e268d8 | 250 | size_t buf_size; |
2624d5fa MB |
251 | char *start = buf; |
252 | unsigned long reg, value; | |
2624d5fa | 253 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 254 | int ret; |
2624d5fa MB |
255 | |
256 | buf_size = min(count, (sizeof(buf)-1)); | |
257 | if (copy_from_user(buf, user_buf, buf_size)) | |
258 | return -EFAULT; | |
259 | buf[buf_size] = 0; | |
2624d5fa MB |
260 | |
261 | while (*start == ' ') | |
262 | start++; | |
263 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
264 | while (*start == ' ') |
265 | start++; | |
b785a492 JH |
266 | ret = kstrtoul(start, 16, &value); |
267 | if (ret) | |
268 | return ret; | |
0d51a9cb MB |
269 | |
270 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 271 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 272 | |
e4f078d8 | 273 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
274 | return buf_size; |
275 | } | |
276 | ||
277 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 278 | .open = simple_open, |
2624d5fa MB |
279 | .read = codec_reg_read_file, |
280 | .write = codec_reg_write_file, | |
6038f373 | 281 | .llseek = default_llseek, |
2624d5fa MB |
282 | }; |
283 | ||
81c7cfd1 | 284 | static void soc_init_component_debugfs(struct snd_soc_component *component) |
e73f3de5 | 285 | { |
6553bf06 LPC |
286 | if (!component->card->debugfs_card_root) |
287 | return; | |
288 | ||
81c7cfd1 LPC |
289 | if (component->debugfs_prefix) { |
290 | char *name; | |
e73f3de5 | 291 | |
81c7cfd1 LPC |
292 | name = kasprintf(GFP_KERNEL, "%s:%s", |
293 | component->debugfs_prefix, component->name); | |
294 | if (name) { | |
295 | component->debugfs_root = debugfs_create_dir(name, | |
296 | component->card->debugfs_card_root); | |
297 | kfree(name); | |
298 | } | |
299 | } else { | |
300 | component->debugfs_root = debugfs_create_dir(component->name, | |
301 | component->card->debugfs_card_root); | |
302 | } | |
e73f3de5 | 303 | |
81c7cfd1 LPC |
304 | if (!component->debugfs_root) { |
305 | dev_warn(component->dev, | |
306 | "ASoC: Failed to create component debugfs directory\n"); | |
307 | return; | |
308 | } | |
e73f3de5 | 309 | |
81c7cfd1 LPC |
310 | snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component), |
311 | component->debugfs_root); | |
e73f3de5 | 312 | |
81c7cfd1 LPC |
313 | if (component->init_debugfs) |
314 | component->init_debugfs(component); | |
e73f3de5 RK |
315 | } |
316 | ||
81c7cfd1 | 317 | static void soc_cleanup_component_debugfs(struct snd_soc_component *component) |
2624d5fa | 318 | { |
81c7cfd1 LPC |
319 | debugfs_remove_recursive(component->debugfs_root); |
320 | } | |
d6ce4cf3 | 321 | |
81c7cfd1 LPC |
322 | static void soc_init_codec_debugfs(struct snd_soc_component *component) |
323 | { | |
324 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
2624d5fa MB |
325 | |
326 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, | |
81c7cfd1 | 327 | codec->component.debugfs_root, |
2624d5fa MB |
328 | codec, &codec_reg_fops); |
329 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
330 | dev_warn(codec->dev, |
331 | "ASoC: Failed to create codec register debugfs file\n"); | |
731f1ab2 SG |
332 | } |
333 | ||
c3c5a19a MB |
334 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
335 | size_t count, loff_t *ppos) | |
336 | { | |
337 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 338 | ssize_t len, ret = 0; |
c3c5a19a MB |
339 | struct snd_soc_codec *codec; |
340 | ||
341 | if (!buf) | |
342 | return -ENOMEM; | |
343 | ||
34e81ab4 LPC |
344 | mutex_lock(&client_mutex); |
345 | ||
2b194f9d MB |
346 | list_for_each_entry(codec, &codec_list, list) { |
347 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 348 | codec->component.name); |
2b194f9d MB |
349 | if (len >= 0) |
350 | ret += len; | |
351 | if (ret > PAGE_SIZE) { | |
352 | ret = PAGE_SIZE; | |
353 | break; | |
354 | } | |
355 | } | |
c3c5a19a | 356 | |
34e81ab4 LPC |
357 | mutex_unlock(&client_mutex); |
358 | ||
c3c5a19a MB |
359 | if (ret >= 0) |
360 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
361 | ||
362 | kfree(buf); | |
363 | ||
364 | return ret; | |
365 | } | |
366 | ||
367 | static const struct file_operations codec_list_fops = { | |
368 | .read = codec_list_read_file, | |
369 | .llseek = default_llseek,/* read accesses f_pos */ | |
370 | }; | |
371 | ||
f3208780 MB |
372 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
373 | size_t count, loff_t *ppos) | |
374 | { | |
375 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 376 | ssize_t len, ret = 0; |
1438c2f6 | 377 | struct snd_soc_component *component; |
f3208780 MB |
378 | struct snd_soc_dai *dai; |
379 | ||
380 | if (!buf) | |
381 | return -ENOMEM; | |
382 | ||
34e81ab4 LPC |
383 | mutex_lock(&client_mutex); |
384 | ||
1438c2f6 LPC |
385 | list_for_each_entry(component, &component_list, list) { |
386 | list_for_each_entry(dai, &component->dai_list, list) { | |
387 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
388 | dai->name); | |
389 | if (len >= 0) | |
390 | ret += len; | |
391 | if (ret > PAGE_SIZE) { | |
392 | ret = PAGE_SIZE; | |
393 | break; | |
394 | } | |
2b194f9d MB |
395 | } |
396 | } | |
f3208780 | 397 | |
34e81ab4 LPC |
398 | mutex_unlock(&client_mutex); |
399 | ||
2b194f9d | 400 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
401 | |
402 | kfree(buf); | |
403 | ||
404 | return ret; | |
405 | } | |
406 | ||
407 | static const struct file_operations dai_list_fops = { | |
408 | .read = dai_list_read_file, | |
409 | .llseek = default_llseek,/* read accesses f_pos */ | |
410 | }; | |
411 | ||
19c7ac27 MB |
412 | static ssize_t platform_list_read_file(struct file *file, |
413 | char __user *user_buf, | |
414 | size_t count, loff_t *ppos) | |
415 | { | |
416 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 417 | ssize_t len, ret = 0; |
19c7ac27 MB |
418 | struct snd_soc_platform *platform; |
419 | ||
420 | if (!buf) | |
421 | return -ENOMEM; | |
422 | ||
34e81ab4 LPC |
423 | mutex_lock(&client_mutex); |
424 | ||
2b194f9d MB |
425 | list_for_each_entry(platform, &platform_list, list) { |
426 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 427 | platform->component.name); |
2b194f9d MB |
428 | if (len >= 0) |
429 | ret += len; | |
430 | if (ret > PAGE_SIZE) { | |
431 | ret = PAGE_SIZE; | |
432 | break; | |
433 | } | |
434 | } | |
19c7ac27 | 435 | |
34e81ab4 LPC |
436 | mutex_unlock(&client_mutex); |
437 | ||
2b194f9d | 438 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
439 | |
440 | kfree(buf); | |
441 | ||
442 | return ret; | |
443 | } | |
444 | ||
445 | static const struct file_operations platform_list_fops = { | |
446 | .read = platform_list_read_file, | |
447 | .llseek = default_llseek,/* read accesses f_pos */ | |
448 | }; | |
449 | ||
a6052154 JN |
450 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
451 | { | |
6553bf06 LPC |
452 | if (!snd_soc_debugfs_root) |
453 | return; | |
454 | ||
a6052154 | 455 | card->debugfs_card_root = debugfs_create_dir(card->name, |
8a9dab1a | 456 | snd_soc_debugfs_root); |
3a45b867 | 457 | if (!card->debugfs_card_root) { |
a6052154 | 458 | dev_warn(card->dev, |
7c08be84 | 459 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
460 | return; |
461 | } | |
462 | ||
463 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
464 | card->debugfs_card_root, | |
465 | &card->pop_time); | |
466 | if (!card->debugfs_pop_time) | |
467 | dev_warn(card->dev, | |
f110bfc7 | 468 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
469 | } |
470 | ||
471 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
472 | { | |
473 | debugfs_remove_recursive(card->debugfs_card_root); | |
474 | } | |
475 | ||
6553bf06 LPC |
476 | |
477 | static void snd_soc_debugfs_init(void) | |
478 | { | |
479 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); | |
480 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
481 | pr_warn("ASoC: Failed to create debugfs directory\n"); | |
482 | snd_soc_debugfs_root = NULL; | |
483 | return; | |
484 | } | |
485 | ||
486 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, | |
487 | &codec_list_fops)) | |
488 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
489 | ||
490 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, | |
491 | &dai_list_fops)) | |
492 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
493 | ||
494 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, | |
495 | &platform_list_fops)) | |
496 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
497 | } | |
498 | ||
499 | static void snd_soc_debugfs_exit(void) | |
500 | { | |
501 | debugfs_remove_recursive(snd_soc_debugfs_root); | |
502 | } | |
503 | ||
2624d5fa MB |
504 | #else |
505 | ||
81c7cfd1 | 506 | #define soc_init_codec_debugfs NULL |
b95fccbc | 507 | |
81c7cfd1 LPC |
508 | static inline void soc_init_component_debugfs( |
509 | struct snd_soc_component *component) | |
731f1ab2 SG |
510 | { |
511 | } | |
512 | ||
81c7cfd1 LPC |
513 | static inline void soc_cleanup_component_debugfs( |
514 | struct snd_soc_component *component) | |
731f1ab2 SG |
515 | { |
516 | } | |
517 | ||
b95fccbc AL |
518 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
519 | { | |
520 | } | |
521 | ||
522 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
523 | { | |
524 | } | |
6553bf06 LPC |
525 | |
526 | static inline void snd_soc_debugfs_init(void) | |
527 | { | |
528 | } | |
529 | ||
530 | static inline void snd_soc_debugfs_exit(void) | |
531 | { | |
532 | } | |
533 | ||
2624d5fa MB |
534 | #endif |
535 | ||
47c88fff LG |
536 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
537 | const char *dai_link, int stream) | |
538 | { | |
539 | int i; | |
540 | ||
541 | for (i = 0; i < card->num_links; i++) { | |
542 | if (card->rtd[i].dai_link->no_pcm && | |
543 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
544 | return card->rtd[i].pcm->streams[stream].substream; | |
545 | } | |
f110bfc7 | 546 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
547 | return NULL; |
548 | } | |
549 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
550 | ||
551 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
552 | const char *dai_link) | |
553 | { | |
554 | int i; | |
555 | ||
556 | for (i = 0; i < card->num_links; i++) { | |
557 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
558 | return &card->rtd[i]; | |
559 | } | |
f110bfc7 | 560 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
561 | return NULL; |
562 | } | |
563 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
564 | ||
9d58a077 RF |
565 | static void codec2codec_close_delayed_work(struct work_struct *work) |
566 | { | |
567 | /* Currently nothing to do for c2c links | |
568 | * Since c2c links are internal nodes in the DAPM graph and | |
569 | * don't interface with the outside world or application layer | |
570 | * we don't have to do any special handling on close. | |
571 | */ | |
572 | } | |
573 | ||
6f8ab4ac | 574 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 575 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 576 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 577 | { |
6f8ab4ac | 578 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 579 | struct snd_soc_codec *codec; |
88bd870f | 580 | int i, j; |
db2a4165 | 581 | |
c5599b87 LPC |
582 | /* If the card is not initialized yet there is nothing to do */ |
583 | if (!card->instantiated) | |
e3509ff0 DM |
584 | return 0; |
585 | ||
6ed25978 AG |
586 | /* Due to the resume being scheduled into a workqueue we could |
587 | * suspend before that's finished - wait for it to complete. | |
588 | */ | |
f0fba2ad LG |
589 | snd_power_lock(card->snd_card); |
590 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
591 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
592 | |
593 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 594 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 595 | |
a00f90f9 | 596 | /* mute any active DACs */ |
f0fba2ad | 597 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 598 | |
f0fba2ad | 599 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
600 | continue; |
601 | ||
88bd870f BC |
602 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
603 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
604 | struct snd_soc_dai_driver *drv = dai->driver; | |
605 | ||
606 | if (drv->ops->digital_mute && dai->playback_active) | |
607 | drv->ops->digital_mute(dai, 1); | |
608 | } | |
db2a4165 FM |
609 | } |
610 | ||
4ccab3e7 | 611 | /* suspend all pcms */ |
f0fba2ad LG |
612 | for (i = 0; i < card->num_rtd; i++) { |
613 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
614 | continue; |
615 | ||
f0fba2ad | 616 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 617 | } |
4ccab3e7 | 618 | |
87506549 | 619 | if (card->suspend_pre) |
70b2ac12 | 620 | card->suspend_pre(card); |
db2a4165 | 621 | |
f0fba2ad LG |
622 | for (i = 0; i < card->num_rtd; i++) { |
623 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 624 | |
f0fba2ad | 625 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
626 | continue; |
627 | ||
bc263214 | 628 | if (cpu_dai->driver->suspend && !cpu_dai->driver->bus_control) |
f0fba2ad | 629 | cpu_dai->driver->suspend(cpu_dai); |
db2a4165 FM |
630 | } |
631 | ||
37660b6d LPC |
632 | /* close any waiting streams */ |
633 | for (i = 0; i < card->num_rtd; i++) | |
43829731 | 634 | flush_delayed_work(&card->rtd[i].delayed_work); |
db2a4165 | 635 | |
f0fba2ad | 636 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 637 | |
f0fba2ad | 638 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
639 | continue; |
640 | ||
7bd3a6f3 MB |
641 | snd_soc_dapm_stream_event(&card->rtd[i], |
642 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 643 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 644 | |
7bd3a6f3 MB |
645 | snd_soc_dapm_stream_event(&card->rtd[i], |
646 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 647 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
648 | } |
649 | ||
8be4da29 LPC |
650 | /* Recheck all endpoints too, their state is affected by suspend */ |
651 | dapm_mark_endpoints_dirty(card); | |
e2d32ff6 MB |
652 | snd_soc_dapm_sync(&card->dapm); |
653 | ||
f0fba2ad | 654 | /* suspend all CODECs */ |
2eea392d | 655 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
656 | /* If there are paths active then the CODEC will be held with |
657 | * bias _ON and should not be suspended. */ | |
a8093297 | 658 | if (!codec->suspended) { |
ce6120cc | 659 | switch (codec->dapm.bias_level) { |
f0fba2ad | 660 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
661 | /* |
662 | * If the CODEC is capable of idle | |
663 | * bias off then being in STANDBY | |
664 | * means it's doing something, | |
665 | * otherwise fall through. | |
666 | */ | |
667 | if (codec->dapm.idle_bias_off) { | |
668 | dev_dbg(codec->dev, | |
10e8aa9a | 669 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
670 | break; |
671 | } | |
a8093297 | 672 | |
f0fba2ad | 673 | case SND_SOC_BIAS_OFF: |
a8093297 LPC |
674 | if (codec->driver->suspend) |
675 | codec->driver->suspend(codec); | |
f0fba2ad | 676 | codec->suspended = 1; |
e2c330b9 LPC |
677 | if (codec->component.regmap) |
678 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
679 | /* deactivate pins to sleep state */ |
680 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
681 | break; |
682 | default: | |
10e8aa9a MM |
683 | dev_dbg(codec->dev, |
684 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
685 | break; |
686 | } | |
1547aba9 MB |
687 | } |
688 | } | |
db2a4165 | 689 | |
f0fba2ad LG |
690 | for (i = 0; i < card->num_rtd; i++) { |
691 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 692 | |
f0fba2ad | 693 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
694 | continue; |
695 | ||
bc263214 | 696 | if (cpu_dai->driver->suspend && cpu_dai->driver->bus_control) |
f0fba2ad | 697 | cpu_dai->driver->suspend(cpu_dai); |
988e8cc4 NC |
698 | |
699 | /* deactivate pins to sleep state */ | |
700 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
701 | } |
702 | ||
87506549 | 703 | if (card->suspend_post) |
70b2ac12 | 704 | card->suspend_post(card); |
db2a4165 FM |
705 | |
706 | return 0; | |
707 | } | |
6f8ab4ac | 708 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 709 | |
6ed25978 AG |
710 | /* deferred resume work, so resume can complete before we finished |
711 | * setting our codec back up, which can be very slow on I2C | |
712 | */ | |
713 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 714 | { |
f0fba2ad LG |
715 | struct snd_soc_card *card = |
716 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 717 | struct snd_soc_codec *codec; |
88bd870f | 718 | int i, j; |
db2a4165 | 719 | |
6ed25978 AG |
720 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
721 | * so userspace apps are blocked from touching us | |
722 | */ | |
723 | ||
f110bfc7 | 724 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 725 | |
9949788b | 726 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 727 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 728 | |
87506549 | 729 | if (card->resume_pre) |
70b2ac12 | 730 | card->resume_pre(card); |
db2a4165 | 731 | |
bc263214 | 732 | /* resume control bus DAIs */ |
f0fba2ad LG |
733 | for (i = 0; i < card->num_rtd; i++) { |
734 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 735 | |
f0fba2ad | 736 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
737 | continue; |
738 | ||
bc263214 | 739 | if (cpu_dai->driver->resume && cpu_dai->driver->bus_control) |
f0fba2ad LG |
740 | cpu_dai->driver->resume(cpu_dai); |
741 | } | |
742 | ||
2eea392d | 743 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
744 | /* If the CODEC was idle over suspend then it will have been |
745 | * left with bias OFF or STANDBY and suspended so we must now | |
746 | * resume. Otherwise the suspend was suppressed. | |
747 | */ | |
a8093297 | 748 | if (codec->suspended) { |
ce6120cc | 749 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
750 | case SND_SOC_BIAS_STANDBY: |
751 | case SND_SOC_BIAS_OFF: | |
a8093297 LPC |
752 | if (codec->driver->resume) |
753 | codec->driver->resume(codec); | |
f0fba2ad LG |
754 | codec->suspended = 0; |
755 | break; | |
756 | default: | |
10e8aa9a MM |
757 | dev_dbg(codec->dev, |
758 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
759 | break; |
760 | } | |
1547aba9 MB |
761 | } |
762 | } | |
db2a4165 | 763 | |
f0fba2ad | 764 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 765 | |
f0fba2ad | 766 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
767 | continue; |
768 | ||
7bd3a6f3 | 769 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 770 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 771 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 772 | |
7bd3a6f3 | 773 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 774 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 775 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
776 | } |
777 | ||
3ff3f64b | 778 | /* unmute any active DACs */ |
f0fba2ad | 779 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 780 | |
f0fba2ad | 781 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
782 | continue; |
783 | ||
88bd870f BC |
784 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
785 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
786 | struct snd_soc_dai_driver *drv = dai->driver; | |
787 | ||
788 | if (drv->ops->digital_mute && dai->playback_active) | |
789 | drv->ops->digital_mute(dai, 0); | |
790 | } | |
db2a4165 FM |
791 | } |
792 | ||
f0fba2ad LG |
793 | for (i = 0; i < card->num_rtd; i++) { |
794 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 795 | |
f0fba2ad | 796 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
797 | continue; |
798 | ||
bc263214 | 799 | if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control) |
f0fba2ad | 800 | cpu_dai->driver->resume(cpu_dai); |
db2a4165 FM |
801 | } |
802 | ||
87506549 | 803 | if (card->resume_post) |
70b2ac12 | 804 | card->resume_post(card); |
db2a4165 | 805 | |
f110bfc7 | 806 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
807 | |
808 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 809 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 | 810 | |
8be4da29 LPC |
811 | /* Recheck all endpoints too, their state is affected by suspend */ |
812 | dapm_mark_endpoints_dirty(card); | |
e2d32ff6 | 813 | snd_soc_dapm_sync(&card->dapm); |
6ed25978 AG |
814 | } |
815 | ||
816 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 817 | int snd_soc_resume(struct device *dev) |
6ed25978 | 818 | { |
6f8ab4ac | 819 | struct snd_soc_card *card = dev_get_drvdata(dev); |
bc263214 LPC |
820 | bool bus_control = false; |
821 | int i; | |
b9dd94a8 | 822 | |
c5599b87 LPC |
823 | /* If the card is not initialized yet there is nothing to do */ |
824 | if (!card->instantiated) | |
5ff1ddf2 EM |
825 | return 0; |
826 | ||
988e8cc4 NC |
827 | /* activate pins from sleep state */ |
828 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
829 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
830 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
831 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
832 | int j; | |
833 | ||
988e8cc4 NC |
834 | if (cpu_dai->active) |
835 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
88bd870f BC |
836 | |
837 | for (j = 0; j < rtd->num_codecs; j++) { | |
838 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
839 | if (codec_dai->active) | |
840 | pinctrl_pm_select_default_state(codec_dai->dev); | |
841 | } | |
988e8cc4 NC |
842 | } |
843 | ||
bc263214 LPC |
844 | /* |
845 | * DAIs that also act as the control bus master might have other drivers | |
846 | * hanging off them so need to resume immediately. Other drivers don't | |
847 | * have that problem and may take a substantial amount of time to resume | |
64ab9baa MB |
848 | * due to I/O costs and anti-pop so handle them out of line. |
849 | */ | |
f0fba2ad LG |
850 | for (i = 0; i < card->num_rtd; i++) { |
851 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
bc263214 | 852 | bus_control |= cpu_dai->driver->bus_control; |
82e14e8b | 853 | } |
bc263214 LPC |
854 | if (bus_control) { |
855 | dev_dbg(dev, "ASoC: Resuming control bus master immediately\n"); | |
82e14e8b SW |
856 | soc_resume_deferred(&card->deferred_resume_work); |
857 | } else { | |
f110bfc7 | 858 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 859 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 860 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 861 | } |
6ed25978 | 862 | |
db2a4165 FM |
863 | return 0; |
864 | } | |
6f8ab4ac | 865 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 866 | #else |
6f8ab4ac MB |
867 | #define snd_soc_suspend NULL |
868 | #define snd_soc_resume NULL | |
db2a4165 FM |
869 | #endif |
870 | ||
85e7652d | 871 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
872 | }; |
873 | ||
65d9361f LPC |
874 | static struct snd_soc_component *soc_find_component( |
875 | const struct device_node *of_node, const char *name) | |
12023a9a | 876 | { |
65d9361f | 877 | struct snd_soc_component *component; |
12023a9a | 878 | |
34e81ab4 LPC |
879 | lockdep_assert_held(&client_mutex); |
880 | ||
65d9361f LPC |
881 | list_for_each_entry(component, &component_list, list) { |
882 | if (of_node) { | |
883 | if (component->dev->of_node == of_node) | |
884 | return component; | |
885 | } else if (strcmp(component->name, name) == 0) { | |
886 | return component; | |
12023a9a | 887 | } |
12023a9a MLC |
888 | } |
889 | ||
890 | return NULL; | |
891 | } | |
892 | ||
14621c7e LPC |
893 | static struct snd_soc_dai *snd_soc_find_dai( |
894 | const struct snd_soc_dai_link_component *dlc) | |
12023a9a | 895 | { |
14621c7e LPC |
896 | struct snd_soc_component *component; |
897 | struct snd_soc_dai *dai; | |
12023a9a | 898 | |
34e81ab4 LPC |
899 | lockdep_assert_held(&client_mutex); |
900 | ||
14621c7e LPC |
901 | /* Find CPU DAI from registered DAIs*/ |
902 | list_for_each_entry(component, &component_list, list) { | |
903 | if (dlc->of_node && component->dev->of_node != dlc->of_node) | |
904 | continue; | |
1ffae361 | 905 | if (dlc->name && strcmp(component->name, dlc->name)) |
14621c7e LPC |
906 | continue; |
907 | list_for_each_entry(dai, &component->dai_list, list) { | |
908 | if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)) | |
12023a9a | 909 | continue; |
12023a9a | 910 | |
14621c7e | 911 | return dai; |
12023a9a MLC |
912 | } |
913 | } | |
914 | ||
915 | return NULL; | |
916 | } | |
917 | ||
f0fba2ad | 918 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 919 | { |
f0fba2ad LG |
920 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
921 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
88bd870f | 922 | struct snd_soc_dai_link_component *codecs = dai_link->codecs; |
14621c7e | 923 | struct snd_soc_dai_link_component cpu_dai_component; |
88bd870f | 924 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
435c5e25 | 925 | struct snd_soc_platform *platform; |
848dd8be | 926 | const char *platform_name; |
88bd870f | 927 | int i; |
435c5e25 | 928 | |
f110bfc7 | 929 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 930 | |
14621c7e LPC |
931 | cpu_dai_component.name = dai_link->cpu_name; |
932 | cpu_dai_component.of_node = dai_link->cpu_of_node; | |
933 | cpu_dai_component.dai_name = dai_link->cpu_dai_name; | |
934 | rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component); | |
b19e6e7b | 935 | if (!rtd->cpu_dai) { |
f110bfc7 | 936 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
937 | dai_link->cpu_dai_name); |
938 | return -EPROBE_DEFER; | |
f0fba2ad LG |
939 | } |
940 | ||
88bd870f | 941 | rtd->num_codecs = dai_link->num_codecs; |
848dd8be | 942 | |
88bd870f BC |
943 | /* Find CODEC from registered CODECs */ |
944 | for (i = 0; i < rtd->num_codecs; i++) { | |
14621c7e | 945 | codec_dais[i] = snd_soc_find_dai(&codecs[i]); |
88bd870f BC |
946 | if (!codec_dais[i]) { |
947 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
948 | codecs[i].dai_name); | |
949 | return -EPROBE_DEFER; | |
950 | } | |
12023a9a MLC |
951 | } |
952 | ||
88bd870f BC |
953 | /* Single codec links expect codec and codec_dai in runtime data */ |
954 | rtd->codec_dai = codec_dais[0]; | |
955 | rtd->codec = rtd->codec_dai->codec; | |
956 | ||
848dd8be MB |
957 | /* if there's no platform we match on the empty platform */ |
958 | platform_name = dai_link->platform_name; | |
5a504963 | 959 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
960 | platform_name = "snd-soc-dummy"; |
961 | ||
b19e6e7b | 962 | /* find one from the set of registered platforms */ |
f0fba2ad | 963 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
964 | if (dai_link->platform_of_node) { |
965 | if (platform->dev->of_node != | |
966 | dai_link->platform_of_node) | |
967 | continue; | |
968 | } else { | |
f4333203 | 969 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
970 | continue; |
971 | } | |
2610ab77 SW |
972 | |
973 | rtd->platform = platform; | |
02a06d30 | 974 | } |
b19e6e7b | 975 | if (!rtd->platform) { |
f110bfc7 | 976 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 977 | dai_link->platform_name); |
b19e6e7b | 978 | return -EPROBE_DEFER; |
f0fba2ad | 979 | } |
b19e6e7b MB |
980 | |
981 | card->num_rtd++; | |
982 | ||
983 | return 0; | |
f0fba2ad LG |
984 | } |
985 | ||
f1d45cc3 | 986 | static void soc_remove_component(struct snd_soc_component *component) |
d12cd198 | 987 | { |
70090bbb LPC |
988 | if (!component->probed) |
989 | return; | |
d12cd198 | 990 | |
f1d45cc3 LPC |
991 | /* This is a HACK and will be removed soon */ |
992 | if (component->codec) | |
993 | list_del(&component->codec->card_list); | |
589c3563 | 994 | |
f1d45cc3 LPC |
995 | if (component->remove) |
996 | component->remove(component); | |
589c3563 | 997 | |
f1d45cc3 | 998 | snd_soc_dapm_free(snd_soc_component_get_dapm(component)); |
589c3563 | 999 | |
f1d45cc3 LPC |
1000 | soc_cleanup_component_debugfs(component); |
1001 | component->probed = 0; | |
1002 | module_put(component->dev->driver->owner); | |
589c3563 JN |
1003 | } |
1004 | ||
e60cd14f | 1005 | static void soc_remove_dai(struct snd_soc_dai *dai, int order) |
f0fba2ad | 1006 | { |
f0fba2ad LG |
1007 | int err; |
1008 | ||
e60cd14f LPC |
1009 | if (dai && dai->probed && |
1010 | dai->driver->remove_order == order) { | |
1011 | if (dai->driver->remove) { | |
1012 | err = dai->driver->remove(dai); | |
f0fba2ad | 1013 | if (err < 0) |
e60cd14f | 1014 | dev_err(dai->dev, |
f110bfc7 | 1015 | "ASoC: failed to remove %s: %d\n", |
e60cd14f | 1016 | dai->name, err); |
6b05eda6 | 1017 | } |
e60cd14f | 1018 | dai->probed = 0; |
f0fba2ad | 1019 | } |
b0aa88af MLC |
1020 | } |
1021 | ||
1022 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
1023 | { | |
1024 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
e60cd14f | 1025 | int i; |
b0aa88af MLC |
1026 | |
1027 | /* unregister the rtd device */ | |
1028 | if (rtd->dev_registered) { | |
b0aa88af MLC |
1029 | device_unregister(rtd->dev); |
1030 | rtd->dev_registered = 0; | |
1031 | } | |
1032 | ||
1033 | /* remove the CODEC DAI */ | |
88bd870f | 1034 | for (i = 0; i < rtd->num_codecs; i++) |
e60cd14f | 1035 | soc_remove_dai(rtd->codec_dais[i], order); |
6b05eda6 | 1036 | |
e60cd14f | 1037 | soc_remove_dai(rtd->cpu_dai, order); |
f0fba2ad | 1038 | } |
db2a4165 | 1039 | |
62ae68fa SW |
1040 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1041 | int order) | |
1042 | { | |
1043 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1044 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa | 1045 | struct snd_soc_platform *platform = rtd->platform; |
61aca564 | 1046 | struct snd_soc_component *component; |
88bd870f | 1047 | int i; |
62ae68fa SW |
1048 | |
1049 | /* remove the platform */ | |
70090bbb | 1050 | if (platform && platform->component.driver->remove_order == order) |
f1d45cc3 | 1051 | soc_remove_component(&platform->component); |
62ae68fa SW |
1052 | |
1053 | /* remove the CODEC-side CODEC */ | |
88bd870f | 1054 | for (i = 0; i < rtd->num_codecs; i++) { |
61aca564 | 1055 | component = rtd->codec_dais[i]->component; |
70090bbb | 1056 | if (component->driver->remove_order == order) |
61aca564 | 1057 | soc_remove_component(component); |
62ae68fa SW |
1058 | } |
1059 | ||
1060 | /* remove any CPU-side CODEC */ | |
1061 | if (cpu_dai) { | |
70090bbb | 1062 | if (cpu_dai->component->driver->remove_order == order) |
61aca564 | 1063 | soc_remove_component(cpu_dai->component); |
62ae68fa SW |
1064 | } |
1065 | } | |
1066 | ||
0671fd8e KM |
1067 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1068 | { | |
0168bf0d | 1069 | int dai, order; |
0671fd8e | 1070 | |
0168bf0d LG |
1071 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1072 | order++) { | |
1073 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1074 | soc_remove_link_dais(card, dai, order); |
1075 | } | |
1076 | ||
1077 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1078 | order++) { | |
1079 | for (dai = 0; dai < card->num_rtd; dai++) | |
1080 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1081 | } |
62ae68fa | 1082 | |
0671fd8e KM |
1083 | card->num_rtd = 0; |
1084 | } | |
1085 | ||
ead9b919 | 1086 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1087 | struct snd_soc_component *component) |
ead9b919 JN |
1088 | { |
1089 | int i; | |
1090 | ||
ff819b83 | 1091 | if (card->codec_conf == NULL) |
ead9b919 JN |
1092 | return; |
1093 | ||
ff819b83 DP |
1094 | for (i = 0; i < card->num_configs; i++) { |
1095 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1096 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1097 | continue; |
94f99c87 | 1098 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1099 | continue; |
94f99c87 | 1100 | component->name_prefix = map->name_prefix; |
3ca041ed | 1101 | break; |
ead9b919 JN |
1102 | } |
1103 | } | |
1104 | ||
f1d45cc3 LPC |
1105 | static int soc_probe_component(struct snd_soc_card *card, |
1106 | struct snd_soc_component *component) | |
589c3563 | 1107 | { |
f1d45cc3 | 1108 | struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
888df395 | 1109 | struct snd_soc_dai *dai; |
f1d45cc3 | 1110 | int ret; |
589c3563 | 1111 | |
70090bbb LPC |
1112 | if (component->probed) |
1113 | return 0; | |
589c3563 | 1114 | |
f1d45cc3 LPC |
1115 | component->card = card; |
1116 | dapm->card = card; | |
1117 | soc_set_name_prefix(card, component); | |
589c3563 | 1118 | |
f1d45cc3 | 1119 | if (!try_module_get(component->dev->driver->owner)) |
70d29331 JN |
1120 | return -ENODEV; |
1121 | ||
f1d45cc3 | 1122 | soc_init_component_debugfs(component); |
d5d1e0be | 1123 | |
f1d45cc3 LPC |
1124 | if (component->dapm_widgets) { |
1125 | ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets, | |
1126 | component->num_dapm_widgets); | |
b318ad50 NP |
1127 | |
1128 | if (ret != 0) { | |
f1d45cc3 | 1129 | dev_err(component->dev, |
b318ad50 NP |
1130 | "Failed to create new controls %d\n", ret); |
1131 | goto err_probe; | |
1132 | } | |
1133 | } | |
77530150 | 1134 | |
0634814f LPC |
1135 | list_for_each_entry(dai, &component->dai_list, list) { |
1136 | ret = snd_soc_dapm_new_dai_widgets(dapm, dai); | |
261edc70 | 1137 | if (ret != 0) { |
0634814f | 1138 | dev_err(component->dev, |
261edc70 NP |
1139 | "Failed to create DAI widgets %d\n", ret); |
1140 | goto err_probe; | |
1141 | } | |
1142 | } | |
888df395 | 1143 | |
f1d45cc3 LPC |
1144 | if (component->probe) { |
1145 | ret = component->probe(component); | |
589c3563 | 1146 | if (ret < 0) { |
f1d45cc3 LPC |
1147 | dev_err(component->dev, |
1148 | "ASoC: failed to probe component %d\n", ret); | |
70d29331 | 1149 | goto err_probe; |
589c3563 | 1150 | } |
cb2cf612 | 1151 | |
f1d45cc3 LPC |
1152 | WARN(dapm->idle_bias_off && |
1153 | dapm->bias_level != SND_SOC_BIAS_OFF, | |
1154 | "codec %s can not start from non-off bias with idle_bias_off==1\n", | |
1155 | component->name); | |
be09ad90 LG |
1156 | } |
1157 | ||
f1d45cc3 LPC |
1158 | if (component->controls) |
1159 | snd_soc_add_component_controls(component, component->controls, | |
1160 | component->num_controls); | |
1161 | if (component->dapm_routes) | |
1162 | snd_soc_dapm_add_routes(dapm, component->dapm_routes, | |
1163 | component->num_dapm_routes); | |
3fec6b6d | 1164 | |
f1d45cc3 LPC |
1165 | component->probed = 1; |
1166 | list_add(&dapm->list, &card->dapm_list); | |
cb2cf612 | 1167 | |
f1d45cc3 LPC |
1168 | /* This is a HACK and will be removed soon */ |
1169 | if (component->codec) | |
1170 | list_add(&component->codec->card_list, &card->codec_dev_list); | |
956245e9 LG |
1171 | |
1172 | return 0; | |
1173 | ||
1174 | err_probe: | |
f1d45cc3 LPC |
1175 | soc_cleanup_component_debugfs(component); |
1176 | module_put(component->dev->driver->owner); | |
956245e9 LG |
1177 | |
1178 | return ret; | |
1179 | } | |
1180 | ||
36ae1a96 MB |
1181 | static void rtd_release(struct device *dev) |
1182 | { | |
1183 | kfree(dev); | |
1184 | } | |
f0fba2ad | 1185 | |
5f3484ac LPC |
1186 | static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, |
1187 | const char *name) | |
503ae5e0 | 1188 | { |
589c3563 JN |
1189 | int ret = 0; |
1190 | ||
589c3563 | 1191 | /* register the rtd device */ |
36ae1a96 MB |
1192 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1193 | if (!rtd->dev) | |
1194 | return -ENOMEM; | |
1195 | device_initialize(rtd->dev); | |
5f3484ac | 1196 | rtd->dev->parent = rtd->card->dev; |
36ae1a96 | 1197 | rtd->dev->release = rtd_release; |
d29697dc | 1198 | rtd->dev->groups = soc_dev_attr_groups; |
f294afed | 1199 | dev_set_name(rtd->dev, "%s", name); |
36ae1a96 | 1200 | dev_set_drvdata(rtd->dev, rtd); |
b8c0dab9 | 1201 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1202 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1203 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1204 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1205 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1206 | ret = device_add(rtd->dev); |
589c3563 | 1207 | if (ret < 0) { |
865df9cb CL |
1208 | /* calling put_device() here to free the rtd->dev */ |
1209 | put_device(rtd->dev); | |
5f3484ac | 1210 | dev_err(rtd->card->dev, |
f110bfc7 | 1211 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1212 | return ret; |
1213 | } | |
1214 | rtd->dev_registered = 1; | |
589c3563 JN |
1215 | return 0; |
1216 | } | |
1217 | ||
62ae68fa SW |
1218 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1219 | int order) | |
1220 | { | |
1221 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
62ae68fa | 1222 | struct snd_soc_platform *platform = rtd->platform; |
f1d45cc3 | 1223 | struct snd_soc_component *component; |
88bd870f | 1224 | int i, ret; |
62ae68fa SW |
1225 | |
1226 | /* probe the CPU-side component, if it is a CODEC */ | |
61aca564 | 1227 | component = rtd->cpu_dai->component; |
70090bbb | 1228 | if (component->driver->probe_order == order) { |
61aca564 | 1229 | ret = soc_probe_component(card, component); |
62ae68fa SW |
1230 | if (ret < 0) |
1231 | return ret; | |
1232 | } | |
1233 | ||
88bd870f BC |
1234 | /* probe the CODEC-side components */ |
1235 | for (i = 0; i < rtd->num_codecs; i++) { | |
61aca564 | 1236 | component = rtd->codec_dais[i]->component; |
70090bbb | 1237 | if (component->driver->probe_order == order) { |
f1d45cc3 | 1238 | ret = soc_probe_component(card, component); |
88bd870f BC |
1239 | if (ret < 0) |
1240 | return ret; | |
1241 | } | |
62ae68fa SW |
1242 | } |
1243 | ||
1244 | /* probe the platform */ | |
70090bbb | 1245 | if (platform->component.driver->probe_order == order) { |
f1d45cc3 | 1246 | ret = soc_probe_component(card, &platform->component); |
62ae68fa SW |
1247 | if (ret < 0) |
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
8e2be562 | 1254 | static int soc_probe_dai(struct snd_soc_dai *dai, int order) |
b0aa88af MLC |
1255 | { |
1256 | int ret; | |
1257 | ||
8e2be562 LPC |
1258 | if (!dai->probed && dai->driver->probe_order == order) { |
1259 | if (dai->driver->probe) { | |
1260 | ret = dai->driver->probe(dai); | |
b0aa88af | 1261 | if (ret < 0) { |
8e2be562 LPC |
1262 | dev_err(dai->dev, |
1263 | "ASoC: failed to probe DAI %s: %d\n", | |
1264 | dai->name, ret); | |
b0aa88af MLC |
1265 | return ret; |
1266 | } | |
1267 | } | |
1268 | ||
8e2be562 | 1269 | dai->probed = 1; |
b0aa88af MLC |
1270 | } |
1271 | ||
1272 | return 0; | |
1273 | } | |
1274 | ||
2436a723 MLC |
1275 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1276 | struct snd_soc_dai_link *dai_link, | |
3f901a02 | 1277 | struct snd_soc_pcm_runtime *rtd) |
2436a723 | 1278 | { |
3f901a02 BC |
1279 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1280 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
2436a723 MLC |
1281 | struct snd_soc_dapm_widget *play_w, *capture_w; |
1282 | int ret; | |
1283 | ||
88bd870f BC |
1284 | if (rtd->num_codecs > 1) |
1285 | dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n"); | |
1286 | ||
2436a723 MLC |
1287 | /* link the DAI widgets */ |
1288 | play_w = codec_dai->playback_widget; | |
1289 | capture_w = cpu_dai->capture_widget; | |
1290 | if (play_w && capture_w) { | |
1291 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c6615082 NO |
1292 | dai_link->num_params, capture_w, |
1293 | play_w); | |
2436a723 MLC |
1294 | if (ret != 0) { |
1295 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1296 | play_w->name, capture_w->name, ret); | |
1297 | return ret; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | play_w = cpu_dai->playback_widget; | |
1302 | capture_w = codec_dai->capture_widget; | |
1303 | if (play_w && capture_w) { | |
1304 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c6615082 NO |
1305 | dai_link->num_params, capture_w, |
1306 | play_w); | |
2436a723 MLC |
1307 | if (ret != 0) { |
1308 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1309 | play_w->name, capture_w->name, ret); | |
1310 | return ret; | |
1311 | } | |
1312 | } | |
1313 | ||
1314 | return 0; | |
1315 | } | |
1316 | ||
62ae68fa | 1317 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1318 | { |
1319 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1320 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
c74184ed | 1321 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
88bd870f | 1322 | int i, ret; |
f0fba2ad | 1323 | |
f110bfc7 | 1324 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1325 | card->name, num, order); |
f0fba2ad | 1326 | |
f0fba2ad LG |
1327 | /* set default power off timeout */ |
1328 | rtd->pmdown_time = pmdown_time; | |
1329 | ||
8e2be562 LPC |
1330 | ret = soc_probe_dai(cpu_dai, order); |
1331 | if (ret) | |
1332 | return ret; | |
db2a4165 | 1333 | |
f0fba2ad | 1334 | /* probe the CODEC DAI */ |
88bd870f | 1335 | for (i = 0; i < rtd->num_codecs; i++) { |
8e2be562 | 1336 | ret = soc_probe_dai(rtd->codec_dais[i], order); |
88bd870f BC |
1337 | if (ret) |
1338 | return ret; | |
1339 | } | |
fe3e78e0 | 1340 | |
0168bf0d LG |
1341 | /* complete DAI probe during last probe */ |
1342 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1343 | return 0; | |
1344 | ||
5f3484ac LPC |
1345 | /* do machine specific initialization */ |
1346 | if (dai_link->init) { | |
1347 | ret = dai_link->init(rtd); | |
1348 | if (ret < 0) { | |
1349 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1350 | dai_link->name, ret); | |
1351 | return ret; | |
1352 | } | |
1353 | } | |
1354 | ||
a5053a8e KM |
1355 | if (dai_link->dai_fmt) |
1356 | snd_soc_runtime_set_dai_fmt(rtd, dai_link->dai_fmt); | |
1357 | ||
5f3484ac | 1358 | ret = soc_post_component_init(rtd, dai_link->name); |
589c3563 | 1359 | if (ret) |
f0fba2ad | 1360 | return ret; |
fe3e78e0 | 1361 | |
5f3484ac LPC |
1362 | #ifdef CONFIG_DEBUG_FS |
1363 | /* add DPCM sysfs entries */ | |
2e55b90a LPC |
1364 | if (dai_link->dynamic) |
1365 | soc_dpcm_debugfs_add(rtd); | |
5f3484ac LPC |
1366 | #endif |
1367 | ||
1245b700 NK |
1368 | if (cpu_dai->driver->compress_dai) { |
1369 | /*create compress_device"*/ | |
1370 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1371 | if (ret < 0) { |
f110bfc7 | 1372 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1373 | dai_link->stream_name); |
c74184ed MB |
1374 | return ret; |
1375 | } | |
1376 | } else { | |
1245b700 NK |
1377 | |
1378 | if (!dai_link->params) { | |
1379 | /* create the pcm */ | |
1380 | ret = soc_new_pcm(rtd, num); | |
1381 | if (ret < 0) { | |
f110bfc7 | 1382 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1383 | dai_link->stream_name, ret); |
c74184ed MB |
1384 | return ret; |
1385 | } | |
1245b700 | 1386 | } else { |
9d58a077 RF |
1387 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1388 | codec2codec_close_delayed_work); | |
1389 | ||
1245b700 | 1390 | /* link the DAI widgets */ |
3f901a02 | 1391 | ret = soc_link_dai_widgets(card, dai_link, rtd); |
2436a723 MLC |
1392 | if (ret) |
1393 | return ret; | |
c74184ed | 1394 | } |
f0fba2ad LG |
1395 | } |
1396 | ||
f0fba2ad LG |
1397 | return 0; |
1398 | } | |
1399 | ||
44c69bb1 | 1400 | static int soc_bind_aux_dev(struct snd_soc_card *card, int num) |
3ca041ed | 1401 | { |
44c69bb1 | 1402 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
3ca041ed | 1403 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
65d9361f | 1404 | const char *name = aux_dev->codec_name; |
3ca041ed | 1405 | |
65d9361f LPC |
1406 | rtd->component = soc_find_component(aux_dev->codec_of_node, name); |
1407 | if (!rtd->component) { | |
3ca041ed | 1408 | if (aux_dev->codec_of_node) |
65d9361f | 1409 | name = of_node_full_name(aux_dev->codec_of_node); |
3ca041ed | 1410 | |
65d9361f | 1411 | dev_err(card->dev, "ASoC: %s not registered\n", name); |
3ca041ed SR |
1412 | return -EPROBE_DEFER; |
1413 | } | |
fb099cb7 | 1414 | |
65d9361f LPC |
1415 | /* |
1416 | * Some places still reference rtd->codec, so we have to keep that | |
1417 | * initialized if the component is a CODEC. Once all those references | |
1418 | * have been removed, this code can be removed as well. | |
1419 | */ | |
1420 | rtd->codec = rtd->component->codec; | |
1421 | ||
44c69bb1 | 1422 | return 0; |
b19e6e7b MB |
1423 | } |
1424 | ||
2eea392d JN |
1425 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1426 | { | |
44c69bb1 | 1427 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
2eea392d | 1428 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
44c69bb1 | 1429 | int ret; |
3ca041ed | 1430 | |
65d9361f | 1431 | ret = soc_probe_component(card, rtd->component); |
2eea392d | 1432 | if (ret < 0) |
589c3563 | 1433 | return ret; |
2eea392d | 1434 | |
5f3484ac LPC |
1435 | /* do machine specific initialization */ |
1436 | if (aux_dev->init) { | |
57bf7726 | 1437 | ret = aux_dev->init(rtd->component); |
5f3484ac LPC |
1438 | if (ret < 0) { |
1439 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1440 | aux_dev->name, ret); | |
1441 | return ret; | |
1442 | } | |
1443 | } | |
2eea392d | 1444 | |
5f3484ac | 1445 | return soc_post_component_init(rtd, aux_dev->name); |
2eea392d JN |
1446 | } |
1447 | ||
1448 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1449 | { | |
1450 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
65d9361f | 1451 | struct snd_soc_component *component = rtd->component; |
2eea392d JN |
1452 | |
1453 | /* unregister the rtd device */ | |
1454 | if (rtd->dev_registered) { | |
d3bf1561 | 1455 | device_unregister(rtd->dev); |
2eea392d JN |
1456 | rtd->dev_registered = 0; |
1457 | } | |
1458 | ||
65d9361f LPC |
1459 | if (component && component->probed) |
1460 | soc_remove_component(component); | |
2eea392d JN |
1461 | } |
1462 | ||
f90fb3f7 | 1463 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1464 | { |
1465 | int ret; | |
1466 | ||
1467 | if (codec->cache_init) | |
1468 | return 0; | |
1469 | ||
fdf0f54d DP |
1470 | ret = snd_soc_cache_init(codec); |
1471 | if (ret < 0) { | |
10e8aa9a MM |
1472 | dev_err(codec->dev, |
1473 | "ASoC: Failed to set cache compression type: %d\n", | |
1474 | ret); | |
fdf0f54d DP |
1475 | return ret; |
1476 | } | |
1477 | codec->cache_init = 1; | |
1478 | return 0; | |
1479 | } | |
1480 | ||
ce64c8b9 LPC |
1481 | /** |
1482 | * snd_soc_runtime_set_dai_fmt() - Change DAI link format for a ASoC runtime | |
1483 | * @rtd: The runtime for which the DAI link format should be changed | |
1484 | * @dai_fmt: The new DAI link format | |
1485 | * | |
1486 | * This function updates the DAI link format for all DAIs connected to the DAI | |
1487 | * link for the specified runtime. | |
1488 | * | |
1489 | * Note: For setups with a static format set the dai_fmt field in the | |
1490 | * corresponding snd_dai_link struct instead of using this function. | |
1491 | * | |
1492 | * Returns 0 on success, otherwise a negative error code. | |
1493 | */ | |
1494 | int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd, | |
1495 | unsigned int dai_fmt) | |
1496 | { | |
1497 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
1498 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1499 | unsigned int i; | |
1500 | int ret; | |
1501 | ||
1502 | for (i = 0; i < rtd->num_codecs; i++) { | |
1503 | struct snd_soc_dai *codec_dai = codec_dais[i]; | |
1504 | ||
1505 | ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); | |
1506 | if (ret != 0 && ret != -ENOTSUPP) { | |
1507 | dev_warn(codec_dai->dev, | |
1508 | "ASoC: Failed to set DAI format: %d\n", ret); | |
1509 | return ret; | |
1510 | } | |
1511 | } | |
1512 | ||
1513 | /* Flip the polarity for the "CPU" end of a CODEC<->CODEC link */ | |
1514 | if (cpu_dai->codec) { | |
1515 | unsigned int inv_dai_fmt; | |
1516 | ||
1517 | inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK; | |
1518 | switch (dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
1519 | case SND_SOC_DAIFMT_CBM_CFM: | |
1520 | inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1521 | break; | |
1522 | case SND_SOC_DAIFMT_CBM_CFS: | |
1523 | inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1524 | break; | |
1525 | case SND_SOC_DAIFMT_CBS_CFM: | |
1526 | inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1527 | break; | |
1528 | case SND_SOC_DAIFMT_CBS_CFS: | |
1529 | inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1530 | break; | |
1531 | } | |
1532 | ||
1533 | dai_fmt = inv_dai_fmt; | |
1534 | } | |
1535 | ||
1536 | ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt); | |
1537 | if (ret != 0 && ret != -ENOTSUPP) { | |
1538 | dev_warn(cpu_dai->dev, | |
1539 | "ASoC: Failed to set DAI format: %d\n", ret); | |
1540 | return ret; | |
1541 | } | |
1542 | ||
1543 | return 0; | |
1544 | } | |
ddaca25a | 1545 | EXPORT_SYMBOL_GPL(snd_soc_runtime_set_dai_fmt); |
ce64c8b9 | 1546 | |
b19e6e7b | 1547 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1548 | { |
fdf0f54d | 1549 | struct snd_soc_codec *codec; |
ce64c8b9 | 1550 | int ret, i, order; |
fe3e78e0 | 1551 | |
34e81ab4 | 1552 | mutex_lock(&client_mutex); |
01b9d99a | 1553 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1554 | |
f0fba2ad | 1555 | /* bind DAIs */ |
b19e6e7b MB |
1556 | for (i = 0; i < card->num_links; i++) { |
1557 | ret = soc_bind_dai_link(card, i); | |
1558 | if (ret != 0) | |
1559 | goto base_error; | |
1560 | } | |
fe3e78e0 | 1561 | |
44c69bb1 | 1562 | /* bind aux_devs too */ |
b19e6e7b | 1563 | for (i = 0; i < card->num_aux_devs; i++) { |
44c69bb1 | 1564 | ret = soc_bind_aux_dev(card, i); |
b19e6e7b MB |
1565 | if (ret != 0) |
1566 | goto base_error; | |
f0fba2ad | 1567 | } |
435c5e25 | 1568 | |
fdf0f54d DP |
1569 | /* initialize the register cache for each available codec */ |
1570 | list_for_each_entry(codec, &codec_list, list) { | |
1571 | if (codec->cache_init) | |
1572 | continue; | |
f90fb3f7 | 1573 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1574 | if (ret < 0) |
1575 | goto base_error; | |
fdf0f54d DP |
1576 | } |
1577 | ||
f0fba2ad | 1578 | /* card bind complete so register a sound card */ |
102b5a8d | 1579 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1580 | card->owner, 0, &card->snd_card); |
1581 | if (ret < 0) { | |
10e8aa9a MM |
1582 | dev_err(card->dev, |
1583 | "ASoC: can't create sound card for card %s: %d\n", | |
1584 | card->name, ret); | |
b19e6e7b | 1585 | goto base_error; |
f0fba2ad | 1586 | } |
f0fba2ad | 1587 | |
0757d834 LPC |
1588 | soc_init_card_debugfs(card); |
1589 | ||
e37a4970 MB |
1590 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1591 | card->dapm.dev = card->dev; | |
1592 | card->dapm.card = card; | |
1593 | list_add(&card->dapm.list, &card->dapm_list); | |
1594 | ||
d5d1e0be LPC |
1595 | #ifdef CONFIG_DEBUG_FS |
1596 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1597 | #endif | |
1598 | ||
88ee1c61 | 1599 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1600 | /* deferred resume work */ |
1601 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1602 | #endif | |
db2a4165 | 1603 | |
9a841ebb MB |
1604 | if (card->dapm_widgets) |
1605 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1606 | card->num_dapm_widgets); | |
1607 | ||
f23e860e NC |
1608 | if (card->of_dapm_widgets) |
1609 | snd_soc_dapm_new_controls(&card->dapm, card->of_dapm_widgets, | |
1610 | card->num_of_dapm_widgets); | |
1611 | ||
f0fba2ad LG |
1612 | /* initialise the sound card only once */ |
1613 | if (card->probe) { | |
e7361ec4 | 1614 | ret = card->probe(card); |
f0fba2ad LG |
1615 | if (ret < 0) |
1616 | goto card_probe_error; | |
1617 | } | |
fe3e78e0 | 1618 | |
62ae68fa | 1619 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1620 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1621 | order++) { | |
1622 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1623 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1624 | if (ret < 0) { |
f110bfc7 LG |
1625 | dev_err(card->dev, |
1626 | "ASoC: failed to instantiate card %d\n", | |
1627 | ret); | |
62ae68fa SW |
1628 | goto probe_dai_err; |
1629 | } | |
1630 | } | |
1631 | } | |
1632 | ||
1633 | /* probe all DAI links on this card */ | |
1634 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1635 | order++) { | |
1636 | for (i = 0; i < card->num_links; i++) { | |
1637 | ret = soc_probe_link_dais(card, i, order); | |
1638 | if (ret < 0) { | |
f110bfc7 LG |
1639 | dev_err(card->dev, |
1640 | "ASoC: failed to instantiate card %d\n", | |
1641 | ret); | |
0168bf0d LG |
1642 | goto probe_dai_err; |
1643 | } | |
f0fba2ad LG |
1644 | } |
1645 | } | |
db2a4165 | 1646 | |
2eea392d JN |
1647 | for (i = 0; i < card->num_aux_devs; i++) { |
1648 | ret = soc_probe_aux_dev(card, i); | |
1649 | if (ret < 0) { | |
f110bfc7 LG |
1650 | dev_err(card->dev, |
1651 | "ASoC: failed to add auxiliary devices %d\n", | |
1652 | ret); | |
2eea392d JN |
1653 | goto probe_aux_dev_err; |
1654 | } | |
1655 | } | |
1656 | ||
888df395 | 1657 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1658 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1659 | |
b7af1daf | 1660 | if (card->controls) |
022658be | 1661 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1662 | |
b8ad29de MB |
1663 | if (card->dapm_routes) |
1664 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1665 | card->num_dapm_routes); | |
1666 | ||
f23e860e NC |
1667 | if (card->of_dapm_routes) |
1668 | snd_soc_dapm_add_routes(&card->dapm, card->of_dapm_routes, | |
1669 | card->num_of_dapm_routes); | |
75d9ac46 | 1670 | |
f0fba2ad | 1671 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1672 | "%s", card->name); |
22de71ba LG |
1673 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1674 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1675 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1676 | "%s", card->driver_name ? card->driver_name : card->name); | |
1677 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1678 | switch (card->snd_card->driver[i]) { | |
1679 | case '_': | |
1680 | case '-': | |
1681 | case '\0': | |
1682 | break; | |
1683 | default: | |
1684 | if (!isalnum(card->snd_card->driver[i])) | |
1685 | card->snd_card->driver[i] = '_'; | |
1686 | break; | |
1687 | } | |
1688 | } | |
f0fba2ad | 1689 | |
28e9ad92 MB |
1690 | if (card->late_probe) { |
1691 | ret = card->late_probe(card); | |
1692 | if (ret < 0) { | |
f110bfc7 | 1693 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1694 | card->name, ret); |
1695 | goto probe_aux_dev_err; | |
1696 | } | |
1697 | } | |
1698 | ||
824ef826 | 1699 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1700 | |
f0fba2ad LG |
1701 | ret = snd_card_register(card->snd_card); |
1702 | if (ret < 0) { | |
f110bfc7 LG |
1703 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1704 | ret); | |
6b3ed785 | 1705 | goto probe_aux_dev_err; |
db2a4165 FM |
1706 | } |
1707 | ||
f0fba2ad | 1708 | card->instantiated = 1; |
4f4c0072 | 1709 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1710 | mutex_unlock(&card->mutex); |
34e81ab4 | 1711 | mutex_unlock(&client_mutex); |
b19e6e7b MB |
1712 | |
1713 | return 0; | |
f0fba2ad | 1714 | |
2eea392d JN |
1715 | probe_aux_dev_err: |
1716 | for (i = 0; i < card->num_aux_devs; i++) | |
1717 | soc_remove_aux_dev(card, i); | |
1718 | ||
f0fba2ad | 1719 | probe_dai_err: |
0671fd8e | 1720 | soc_remove_dai_links(card); |
f0fba2ad LG |
1721 | |
1722 | card_probe_error: | |
87506549 | 1723 | if (card->remove) |
e7361ec4 | 1724 | card->remove(card); |
f0fba2ad | 1725 | |
0757d834 | 1726 | soc_cleanup_card_debugfs(card); |
f0fba2ad LG |
1727 | snd_card_free(card->snd_card); |
1728 | ||
b19e6e7b | 1729 | base_error: |
f0fba2ad | 1730 | mutex_unlock(&card->mutex); |
34e81ab4 | 1731 | mutex_unlock(&client_mutex); |
db2a4165 | 1732 | |
b19e6e7b | 1733 | return ret; |
435c5e25 MB |
1734 | } |
1735 | ||
1736 | /* probes a new socdev */ | |
1737 | static int soc_probe(struct platform_device *pdev) | |
1738 | { | |
f0fba2ad | 1739 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1740 | |
70a7ca34 VK |
1741 | /* |
1742 | * no card, so machine driver should be registering card | |
1743 | * we should not be here in that case so ret error | |
1744 | */ | |
1745 | if (!card) | |
1746 | return -EINVAL; | |
1747 | ||
fe4085e8 | 1748 | dev_warn(&pdev->dev, |
f110bfc7 | 1749 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1750 | card->name); |
1751 | ||
435c5e25 MB |
1752 | /* Bodge while we unpick instantiation */ |
1753 | card->dev = &pdev->dev; | |
f0fba2ad | 1754 | |
28d528c8 | 1755 | return snd_soc_register_card(card); |
db2a4165 FM |
1756 | } |
1757 | ||
b0e26485 | 1758 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1759 | { |
1760 | int i; | |
db2a4165 | 1761 | |
b0e26485 VK |
1762 | /* make sure any delayed work runs */ |
1763 | for (i = 0; i < card->num_rtd; i++) { | |
1764 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1765 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1766 | } |
914dc182 | 1767 | |
b0e26485 VK |
1768 | /* remove auxiliary devices */ |
1769 | for (i = 0; i < card->num_aux_devs; i++) | |
1770 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1771 | |
b0e26485 | 1772 | /* remove and free each DAI */ |
0671fd8e | 1773 | soc_remove_dai_links(card); |
2eea392d | 1774 | |
b0e26485 | 1775 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1776 | |
b0e26485 VK |
1777 | /* remove the card */ |
1778 | if (card->remove) | |
e7361ec4 | 1779 | card->remove(card); |
a6052154 | 1780 | |
0aaae527 LPC |
1781 | snd_soc_dapm_free(&card->dapm); |
1782 | ||
b0e26485 VK |
1783 | snd_card_free(card->snd_card); |
1784 | return 0; | |
1785 | ||
1786 | } | |
1787 | ||
1788 | /* removes a socdev */ | |
1789 | static int soc_remove(struct platform_device *pdev) | |
1790 | { | |
1791 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1792 | |
c5af3a2e | 1793 | snd_soc_unregister_card(card); |
db2a4165 FM |
1794 | return 0; |
1795 | } | |
1796 | ||
6f8ab4ac | 1797 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1798 | { |
6f8ab4ac | 1799 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1800 | int i; |
51737470 MB |
1801 | |
1802 | if (!card->instantiated) | |
416356fc | 1803 | return 0; |
51737470 MB |
1804 | |
1805 | /* Flush out pmdown_time work - we actually do want to run it | |
1806 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1807 | for (i = 0; i < card->num_rtd; i++) { |
1808 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1809 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1810 | } |
51737470 | 1811 | |
f0fba2ad | 1812 | snd_soc_dapm_shutdown(card); |
416356fc | 1813 | |
988e8cc4 NC |
1814 | /* deactivate pins to sleep state */ |
1815 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
1816 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
1817 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1818 | int j; | |
1819 | ||
988e8cc4 | 1820 | pinctrl_pm_select_sleep_state(cpu_dai->dev); |
88bd870f BC |
1821 | for (j = 0; j < rtd->num_codecs; j++) { |
1822 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
1823 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
1824 | } | |
988e8cc4 NC |
1825 | } |
1826 | ||
416356fc | 1827 | return 0; |
51737470 | 1828 | } |
6f8ab4ac | 1829 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1830 | |
6f8ab4ac | 1831 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1832 | .suspend = snd_soc_suspend, |
1833 | .resume = snd_soc_resume, | |
1834 | .freeze = snd_soc_suspend, | |
1835 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1836 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1837 | .restore = snd_soc_resume, |
416356fc | 1838 | }; |
deb2607e | 1839 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1840 | |
db2a4165 FM |
1841 | /* ASoC platform driver */ |
1842 | static struct platform_driver soc_driver = { | |
1843 | .driver = { | |
1844 | .name = "soc-audio", | |
6f8ab4ac | 1845 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1846 | }, |
1847 | .probe = soc_probe, | |
1848 | .remove = soc_remove, | |
db2a4165 FM |
1849 | }; |
1850 | ||
db2a4165 FM |
1851 | /** |
1852 | * snd_soc_cnew - create new control | |
1853 | * @_template: control template | |
1854 | * @data: control private data | |
ac11a2b3 | 1855 | * @long_name: control long name |
efb7ac3f | 1856 | * @prefix: control name prefix |
db2a4165 FM |
1857 | * |
1858 | * Create a new mixer control from a template control. | |
1859 | * | |
1860 | * Returns 0 for success, else error. | |
1861 | */ | |
1862 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 1863 | void *data, const char *long_name, |
efb7ac3f | 1864 | const char *prefix) |
db2a4165 FM |
1865 | { |
1866 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
1867 | struct snd_kcontrol *kcontrol; |
1868 | char *name = NULL; | |
db2a4165 FM |
1869 | |
1870 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
1871 | template.index = 0; |
1872 | ||
efb7ac3f MB |
1873 | if (!long_name) |
1874 | long_name = template.name; | |
1875 | ||
1876 | if (prefix) { | |
2b581074 | 1877 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
1878 | if (!name) |
1879 | return NULL; | |
1880 | ||
efb7ac3f MB |
1881 | template.name = name; |
1882 | } else { | |
1883 | template.name = long_name; | |
1884 | } | |
1885 | ||
1886 | kcontrol = snd_ctl_new1(&template, data); | |
1887 | ||
1888 | kfree(name); | |
1889 | ||
1890 | return kcontrol; | |
db2a4165 FM |
1891 | } |
1892 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
1893 | ||
022658be LG |
1894 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
1895 | const struct snd_kcontrol_new *controls, int num_controls, | |
1896 | const char *prefix, void *data) | |
1897 | { | |
1898 | int err, i; | |
1899 | ||
1900 | for (i = 0; i < num_controls; i++) { | |
1901 | const struct snd_kcontrol_new *control = &controls[i]; | |
1902 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
1903 | control->name, prefix)); | |
1904 | if (err < 0) { | |
f110bfc7 LG |
1905 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
1906 | control->name, err); | |
022658be LG |
1907 | return err; |
1908 | } | |
1909 | } | |
1910 | ||
1911 | return 0; | |
1912 | } | |
1913 | ||
4fefd698 DP |
1914 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
1915 | const char *name) | |
1916 | { | |
1917 | struct snd_card *card = soc_card->snd_card; | |
1918 | struct snd_kcontrol *kctl; | |
1919 | ||
1920 | if (unlikely(!name)) | |
1921 | return NULL; | |
1922 | ||
1923 | list_for_each_entry(kctl, &card->controls, list) | |
1924 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
1925 | return kctl; | |
1926 | return NULL; | |
1927 | } | |
1928 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
1929 | ||
0f2780ad LPC |
1930 | /** |
1931 | * snd_soc_add_component_controls - Add an array of controls to a component. | |
1932 | * | |
1933 | * @component: Component to add controls to | |
1934 | * @controls: Array of controls to add | |
1935 | * @num_controls: Number of elements in the array | |
1936 | * | |
1937 | * Return: 0 for success, else error. | |
1938 | */ | |
1939 | int snd_soc_add_component_controls(struct snd_soc_component *component, | |
1940 | const struct snd_kcontrol_new *controls, unsigned int num_controls) | |
1941 | { | |
1942 | struct snd_card *card = component->card->snd_card; | |
1943 | ||
1944 | return snd_soc_add_controls(card, component->dev, controls, | |
1945 | num_controls, component->name_prefix, component); | |
1946 | } | |
1947 | EXPORT_SYMBOL_GPL(snd_soc_add_component_controls); | |
1948 | ||
3e8e1952 | 1949 | /** |
022658be LG |
1950 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
1951 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
1952 | * duplicating this code. |
1953 | * | |
1954 | * @codec: codec to add controls to | |
1955 | * @controls: array of controls to add | |
1956 | * @num_controls: number of elements in the array | |
1957 | * | |
1958 | * Return 0 for success, else error. | |
1959 | */ | |
022658be | 1960 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
0f2780ad | 1961 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
3e8e1952 | 1962 | { |
0f2780ad LPC |
1963 | return snd_soc_add_component_controls(&codec->component, controls, |
1964 | num_controls); | |
3e8e1952 | 1965 | } |
022658be | 1966 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 1967 | |
a491a5c8 LG |
1968 | /** |
1969 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 1970 | * Convenience function to add a list of controls. |
a491a5c8 LG |
1971 | * |
1972 | * @platform: platform to add controls to | |
1973 | * @controls: array of controls to add | |
1974 | * @num_controls: number of elements in the array | |
1975 | * | |
1976 | * Return 0 for success, else error. | |
1977 | */ | |
1978 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
0f2780ad | 1979 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
a491a5c8 | 1980 | { |
0f2780ad LPC |
1981 | return snd_soc_add_component_controls(&platform->component, controls, |
1982 | num_controls); | |
a491a5c8 LG |
1983 | } |
1984 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
1985 | ||
022658be LG |
1986 | /** |
1987 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
1988 | * Convenience function to add a list of controls. | |
1989 | * | |
1990 | * @soc_card: SoC card to add controls to | |
1991 | * @controls: array of controls to add | |
1992 | * @num_controls: number of elements in the array | |
1993 | * | |
1994 | * Return 0 for success, else error. | |
1995 | */ | |
1996 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
1997 | const struct snd_kcontrol_new *controls, int num_controls) | |
1998 | { | |
1999 | struct snd_card *card = soc_card->snd_card; | |
2000 | ||
2001 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2002 | NULL, soc_card); | |
2003 | } | |
2004 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2005 | ||
2006 | /** | |
2007 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2008 | * Convienience function to add a list of controls. | |
2009 | * | |
2010 | * @dai: DAI to add controls to | |
2011 | * @controls: array of controls to add | |
2012 | * @num_controls: number of elements in the array | |
2013 | * | |
2014 | * Return 0 for success, else error. | |
2015 | */ | |
2016 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2017 | const struct snd_kcontrol_new *controls, int num_controls) | |
2018 | { | |
313665b9 | 2019 | struct snd_card *card = dai->component->card->snd_card; |
022658be LG |
2020 | |
2021 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2022 | NULL, dai); | |
2023 | } | |
2024 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2025 | ||
8c6529db LG |
2026 | /** |
2027 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
2028 | * @dai: DAI | |
2029 | * @clk_id: DAI specific clock ID | |
2030 | * @freq: new clock frequency in Hz | |
2031 | * @dir: new clock direction - input/output. | |
2032 | * | |
2033 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
2034 | */ | |
2035 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
2036 | unsigned int freq, int dir) | |
2037 | { | |
f0fba2ad LG |
2038 | if (dai->driver && dai->driver->ops->set_sysclk) |
2039 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 2040 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 2041 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 2042 | freq, dir); |
8c6529db | 2043 | else |
1104a9c8 | 2044 | return -ENOTSUPP; |
8c6529db LG |
2045 | } |
2046 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
2047 | ||
ec4ee52a MB |
2048 | /** |
2049 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
2050 | * @codec: CODEC | |
2051 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 2052 | * @source: Source for the clock |
ec4ee52a MB |
2053 | * @freq: new clock frequency in Hz |
2054 | * @dir: new clock direction - input/output. | |
2055 | * | |
2056 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
2057 | */ | |
2058 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 2059 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
2060 | { |
2061 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
2062 | return codec->driver->set_sysclk(codec, clk_id, source, |
2063 | freq, dir); | |
ec4ee52a | 2064 | else |
1104a9c8 | 2065 | return -ENOTSUPP; |
ec4ee52a MB |
2066 | } |
2067 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
2068 | ||
8c6529db LG |
2069 | /** |
2070 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
2071 | * @dai: DAI | |
ac11a2b3 | 2072 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
2073 | * @div: new clock divisor. |
2074 | * | |
2075 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
2076 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
2077 | * and frame clocks as low as possible to save system power. | |
2078 | */ | |
2079 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
2080 | int div_id, int div) | |
2081 | { | |
f0fba2ad LG |
2082 | if (dai->driver && dai->driver->ops->set_clkdiv) |
2083 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
2084 | else |
2085 | return -EINVAL; | |
2086 | } | |
2087 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
2088 | ||
2089 | /** | |
2090 | * snd_soc_dai_set_pll - configure DAI PLL. | |
2091 | * @dai: DAI | |
2092 | * @pll_id: DAI specific PLL ID | |
85488037 | 2093 | * @source: DAI specific source for the PLL |
8c6529db LG |
2094 | * @freq_in: PLL input clock frequency in Hz |
2095 | * @freq_out: requested PLL output clock frequency in Hz | |
2096 | * | |
2097 | * Configures and enables PLL to generate output clock based on input clock. | |
2098 | */ | |
85488037 MB |
2099 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
2100 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 2101 | { |
f0fba2ad LG |
2102 | if (dai->driver && dai->driver->ops->set_pll) |
2103 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 2104 | freq_in, freq_out); |
ec4ee52a MB |
2105 | else if (dai->codec && dai->codec->driver->set_pll) |
2106 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
2107 | freq_in, freq_out); | |
8c6529db LG |
2108 | else |
2109 | return -EINVAL; | |
2110 | } | |
2111 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
2112 | ||
ec4ee52a MB |
2113 | /* |
2114 | * snd_soc_codec_set_pll - configure codec PLL. | |
2115 | * @codec: CODEC | |
2116 | * @pll_id: DAI specific PLL ID | |
2117 | * @source: DAI specific source for the PLL | |
2118 | * @freq_in: PLL input clock frequency in Hz | |
2119 | * @freq_out: requested PLL output clock frequency in Hz | |
2120 | * | |
2121 | * Configures and enables PLL to generate output clock based on input clock. | |
2122 | */ | |
2123 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
2124 | unsigned int freq_in, unsigned int freq_out) | |
2125 | { | |
2126 | if (codec->driver->set_pll) | |
2127 | return codec->driver->set_pll(codec, pll_id, source, | |
2128 | freq_in, freq_out); | |
2129 | else | |
2130 | return -EINVAL; | |
2131 | } | |
2132 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
2133 | ||
e54cf76b LG |
2134 | /** |
2135 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
2136 | * @dai: DAI | |
2137 | * @ratio Ratio of BCLK to Sample rate. | |
2138 | * | |
2139 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
2140 | */ | |
2141 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
2142 | { | |
2143 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
2144 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
2145 | else | |
2146 | return -EINVAL; | |
2147 | } | |
2148 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
2149 | ||
8c6529db LG |
2150 | /** |
2151 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
2152 | * @dai: DAI | |
8c6529db LG |
2153 | * @fmt: SND_SOC_DAIFMT_ format value. |
2154 | * | |
2155 | * Configures the DAI hardware format and clocking. | |
2156 | */ | |
2157 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
2158 | { | |
5e4ba569 | 2159 | if (dai->driver == NULL) |
8c6529db | 2160 | return -EINVAL; |
5e4ba569 SG |
2161 | if (dai->driver->ops->set_fmt == NULL) |
2162 | return -ENOTSUPP; | |
2163 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
2164 | } |
2165 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
2166 | ||
89c67857 | 2167 | /** |
e5c21514 | 2168 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
2169 | * @slots: Number of slots in use. |
2170 | * @tx_mask: bitmask representing active TX slots. | |
2171 | * @rx_mask: bitmask representing active RX slots. | |
2172 | * | |
2173 | * Generates the TDM tx and rx slot default masks for DAI. | |
2174 | */ | |
e5c21514 | 2175 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
2176 | unsigned int *tx_mask, |
2177 | unsigned int *rx_mask) | |
2178 | { | |
2179 | if (*tx_mask || *rx_mask) | |
2180 | return 0; | |
2181 | ||
2182 | if (!slots) | |
2183 | return -EINVAL; | |
2184 | ||
2185 | *tx_mask = (1 << slots) - 1; | |
2186 | *rx_mask = (1 << slots) - 1; | |
2187 | ||
2188 | return 0; | |
2189 | } | |
2190 | ||
8c6529db | 2191 | /** |
e46c9366 LPC |
2192 | * snd_soc_dai_set_tdm_slot() - Configures a DAI for TDM operation |
2193 | * @dai: The DAI to configure | |
a5479e38 DR |
2194 | * @tx_mask: bitmask representing active TX slots. |
2195 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 2196 | * @slots: Number of slots in use. |
a5479e38 | 2197 | * @slot_width: Width in bits for each slot. |
8c6529db | 2198 | * |
e46c9366 LPC |
2199 | * This function configures the specified DAI for TDM operation. @slot contains |
2200 | * the total number of slots of the TDM stream and @slot_with the width of each | |
2201 | * slot in bit clock cycles. @tx_mask and @rx_mask are bitmasks specifying the | |
2202 | * active slots of the TDM stream for the specified DAI, i.e. which slots the | |
2203 | * DAI should write to or read from. If a bit is set the corresponding slot is | |
2204 | * active, if a bit is cleared the corresponding slot is inactive. Bit 0 maps to | |
2205 | * the first slot, bit 1 to the second slot and so on. The first active slot | |
2206 | * maps to the first channel of the DAI, the second active slot to the second | |
2207 | * channel and so on. | |
2208 | * | |
2209 | * TDM mode can be disabled by passing 0 for @slots. In this case @tx_mask, | |
2210 | * @rx_mask and @slot_width will be ignored. | |
2211 | * | |
2212 | * Returns 0 on success, a negative error code otherwise. | |
8c6529db LG |
2213 | */ |
2214 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 2215 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 2216 | { |
e5c21514 XL |
2217 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
2218 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
2219 | &tx_mask, &rx_mask); |
2220 | else | |
e5c21514 | 2221 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 2222 | |
88bd870f BC |
2223 | dai->tx_mask = tx_mask; |
2224 | dai->rx_mask = rx_mask; | |
2225 | ||
f0fba2ad LG |
2226 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
2227 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 2228 | slots, slot_width); |
8c6529db | 2229 | else |
b2cbb6e1 | 2230 | return -ENOTSUPP; |
8c6529db LG |
2231 | } |
2232 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
2233 | ||
472df3cb BS |
2234 | /** |
2235 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
2236 | * @dai: DAI | |
2237 | * @tx_num: how many TX channels | |
2238 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
2239 | * 0~num-1 uses | |
2240 | * @rx_num: how many RX channels | |
2241 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
2242 | * 0~num-1 uses | |
2243 | * | |
2244 | * configure the relationship between channel number and TDM slot number. | |
2245 | */ | |
2246 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
2247 | unsigned int tx_num, unsigned int *tx_slot, | |
2248 | unsigned int rx_num, unsigned int *rx_slot) | |
2249 | { | |
f0fba2ad LG |
2250 | if (dai->driver && dai->driver->ops->set_channel_map) |
2251 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
2252 | rx_num, rx_slot); |
2253 | else | |
2254 | return -EINVAL; | |
2255 | } | |
2256 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
2257 | ||
8c6529db LG |
2258 | /** |
2259 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
2260 | * @dai: DAI | |
2261 | * @tristate: tristate enable | |
2262 | * | |
2263 | * Tristates the DAI so that others can use it. | |
2264 | */ | |
2265 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
2266 | { | |
f0fba2ad LG |
2267 | if (dai->driver && dai->driver->ops->set_tristate) |
2268 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
2269 | else |
2270 | return -EINVAL; | |
2271 | } | |
2272 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
2273 | ||
2274 | /** | |
2275 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
2276 | * @dai: DAI | |
2277 | * @mute: mute enable | |
da18396f | 2278 | * @direction: stream to mute |
8c6529db LG |
2279 | * |
2280 | * Mutes the DAI DAC. | |
2281 | */ | |
da18396f MB |
2282 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
2283 | int direction) | |
8c6529db | 2284 | { |
da18396f MB |
2285 | if (!dai->driver) |
2286 | return -ENOTSUPP; | |
2287 | ||
2288 | if (dai->driver->ops->mute_stream) | |
2289 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
2290 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
2291 | dai->driver->ops->digital_mute) | |
f0fba2ad | 2292 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 2293 | else |
04570c62 | 2294 | return -ENOTSUPP; |
8c6529db LG |
2295 | } |
2296 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
2297 | ||
88bd870f BC |
2298 | static int snd_soc_init_multicodec(struct snd_soc_card *card, |
2299 | struct snd_soc_dai_link *dai_link) | |
2300 | { | |
2301 | /* Legacy codec/codec_dai link is a single entry in multicodec */ | |
2302 | if (dai_link->codec_name || dai_link->codec_of_node || | |
2303 | dai_link->codec_dai_name) { | |
2304 | dai_link->num_codecs = 1; | |
2305 | ||
2306 | dai_link->codecs = devm_kzalloc(card->dev, | |
2307 | sizeof(struct snd_soc_dai_link_component), | |
2308 | GFP_KERNEL); | |
2309 | if (!dai_link->codecs) | |
2310 | return -ENOMEM; | |
2311 | ||
2312 | dai_link->codecs[0].name = dai_link->codec_name; | |
2313 | dai_link->codecs[0].of_node = dai_link->codec_of_node; | |
2314 | dai_link->codecs[0].dai_name = dai_link->codec_dai_name; | |
2315 | } | |
2316 | ||
2317 | if (!dai_link->codecs) { | |
2318 | dev_err(card->dev, "ASoC: DAI link has no CODECs\n"); | |
2319 | return -EINVAL; | |
2320 | } | |
2321 | ||
2322 | return 0; | |
2323 | } | |
2324 | ||
c5af3a2e MB |
2325 | /** |
2326 | * snd_soc_register_card - Register a card with the ASoC core | |
2327 | * | |
ac11a2b3 | 2328 | * @card: Card to register |
c5af3a2e | 2329 | * |
c5af3a2e | 2330 | */ |
70a7ca34 | 2331 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 2332 | { |
88bd870f | 2333 | int i, j, ret; |
f0fba2ad | 2334 | |
c5af3a2e MB |
2335 | if (!card->name || !card->dev) |
2336 | return -EINVAL; | |
2337 | ||
5a504963 SW |
2338 | for (i = 0; i < card->num_links; i++) { |
2339 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
2340 | ||
88bd870f BC |
2341 | ret = snd_soc_init_multicodec(card, link); |
2342 | if (ret) { | |
2343 | dev_err(card->dev, "ASoC: failed to init multicodec\n"); | |
2344 | return ret; | |
5a504963 | 2345 | } |
88bd870f BC |
2346 | |
2347 | for (j = 0; j < link->num_codecs; j++) { | |
2348 | /* | |
2349 | * Codec must be specified by 1 of name or OF node, | |
2350 | * not both or neither. | |
2351 | */ | |
2352 | if (!!link->codecs[j].name == | |
2353 | !!link->codecs[j].of_node) { | |
2354 | dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n", | |
2355 | link->name); | |
2356 | return -EINVAL; | |
2357 | } | |
2358 | /* Codec DAI name must be specified */ | |
2359 | if (!link->codecs[j].dai_name) { | |
2360 | dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", | |
2361 | link->name); | |
2362 | return -EINVAL; | |
2363 | } | |
bc92657a | 2364 | } |
5a504963 SW |
2365 | |
2366 | /* | |
2367 | * Platform may be specified by either name or OF node, but | |
2368 | * can be left unspecified, and a dummy platform will be used. | |
2369 | */ | |
2370 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
2371 | dev_err(card->dev, |
2372 | "ASoC: Both platform name/of_node are set for %s\n", | |
2373 | link->name); | |
5a504963 SW |
2374 | return -EINVAL; |
2375 | } | |
2376 | ||
2377 | /* | |
bc92657a SW |
2378 | * CPU device may be specified by either name or OF node, but |
2379 | * can be left unspecified, and will be matched based on DAI | |
2380 | * name alone.. | |
2381 | */ | |
2382 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
2383 | dev_err(card->dev, |
2384 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
2385 | link->name); | |
bc92657a SW |
2386 | return -EINVAL; |
2387 | } | |
2388 | /* | |
2389 | * At least one of CPU DAI name or CPU device name/node must be | |
2390 | * specified | |
5a504963 | 2391 | */ |
bc92657a SW |
2392 | if (!link->cpu_dai_name && |
2393 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
2394 | dev_err(card->dev, |
2395 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
2396 | link->name); | |
5a504963 SW |
2397 | return -EINVAL; |
2398 | } | |
2399 | } | |
2400 | ||
ed77cc12 MB |
2401 | dev_set_drvdata(card->dev, card); |
2402 | ||
111c6419 SW |
2403 | snd_soc_initialize_card_lists(card); |
2404 | ||
181a6892 MB |
2405 | card->rtd = devm_kzalloc(card->dev, |
2406 | sizeof(struct snd_soc_pcm_runtime) * | |
2407 | (card->num_links + card->num_aux_devs), | |
2408 | GFP_KERNEL); | |
f0fba2ad LG |
2409 | if (card->rtd == NULL) |
2410 | return -ENOMEM; | |
a7dbb603 | 2411 | card->num_rtd = 0; |
2eea392d | 2412 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad | 2413 | |
5f3484ac LPC |
2414 | for (i = 0; i < card->num_links; i++) { |
2415 | card->rtd[i].card = card; | |
f0fba2ad | 2416 | card->rtd[i].dai_link = &card->dai_link[i]; |
88bd870f BC |
2417 | card->rtd[i].codec_dais = devm_kzalloc(card->dev, |
2418 | sizeof(struct snd_soc_dai *) * | |
2419 | (card->rtd[i].dai_link->num_codecs), | |
2420 | GFP_KERNEL); | |
2421 | if (card->rtd[i].codec_dais == NULL) | |
2422 | return -ENOMEM; | |
5f3484ac LPC |
2423 | } |
2424 | ||
2425 | for (i = 0; i < card->num_aux_devs; i++) | |
2426 | card->rtd_aux[i].card = card; | |
f0fba2ad | 2427 | |
db432b41 | 2428 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 2429 | card->instantiated = 0; |
f0fba2ad | 2430 | mutex_init(&card->mutex); |
a73fb2df | 2431 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 2432 | |
b19e6e7b MB |
2433 | ret = snd_soc_instantiate_card(card); |
2434 | if (ret != 0) | |
4e2576bd | 2435 | return ret; |
c5af3a2e | 2436 | |
988e8cc4 NC |
2437 | /* deactivate pins to sleep state */ |
2438 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
2439 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
2440 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
2441 | int j; | |
2442 | ||
2443 | for (j = 0; j < rtd->num_codecs; j++) { | |
2444 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
2445 | if (!codec_dai->active) | |
2446 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
2447 | } | |
2448 | ||
988e8cc4 NC |
2449 | if (!cpu_dai->active) |
2450 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
2451 | } | |
2452 | ||
b19e6e7b | 2453 | return ret; |
c5af3a2e | 2454 | } |
70a7ca34 | 2455 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
2456 | |
2457 | /** | |
2458 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
2459 | * | |
ac11a2b3 | 2460 | * @card: Card to unregister |
c5af3a2e | 2461 | * |
c5af3a2e | 2462 | */ |
70a7ca34 | 2463 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 2464 | { |
01e0df66 LPC |
2465 | if (card->instantiated) { |
2466 | card->instantiated = false; | |
1c325f77 | 2467 | snd_soc_dapm_shutdown(card); |
b0e26485 | 2468 | soc_cleanup_card_resources(card); |
8f6f9b29 | 2469 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
01e0df66 | 2470 | } |
c5af3a2e MB |
2471 | |
2472 | return 0; | |
2473 | } | |
70a7ca34 | 2474 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 2475 | |
f0fba2ad LG |
2476 | /* |
2477 | * Simplify DAI link configuration by removing ".-1" from device names | |
2478 | * and sanitizing names. | |
2479 | */ | |
0b9a214a | 2480 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
2481 | { |
2482 | char *found, name[NAME_SIZE]; | |
2483 | int id1, id2; | |
2484 | ||
2485 | if (dev_name(dev) == NULL) | |
2486 | return NULL; | |
2487 | ||
58818a77 | 2488 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
2489 | |
2490 | /* are we a "%s.%d" name (platform and SPI components) */ | |
2491 | found = strstr(name, dev->driver->name); | |
2492 | if (found) { | |
2493 | /* get ID */ | |
2494 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
2495 | ||
2496 | /* discard ID from name if ID == -1 */ | |
2497 | if (*id == -1) | |
2498 | found[strlen(dev->driver->name)] = '\0'; | |
2499 | } | |
2500 | ||
2501 | } else { | |
2502 | /* I2C component devices are named "bus-addr" */ | |
2503 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
2504 | char tmp[NAME_SIZE]; | |
2505 | ||
2506 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 2507 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
2508 | |
2509 | /* sanitize component name for DAI link creation */ | |
2510 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 2511 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
2512 | } else |
2513 | *id = 0; | |
2514 | } | |
2515 | ||
2516 | return kstrdup(name, GFP_KERNEL); | |
2517 | } | |
2518 | ||
2519 | /* | |
2520 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
2521 | * any ".-1" and using the DAI name (instead of device name). | |
2522 | */ | |
2523 | static inline char *fmt_multiple_name(struct device *dev, | |
2524 | struct snd_soc_dai_driver *dai_drv) | |
2525 | { | |
2526 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
2527 | dev_err(dev, |
2528 | "ASoC: error - multiple DAI %s registered with no name\n", | |
2529 | dev_name(dev)); | |
f0fba2ad LG |
2530 | return NULL; |
2531 | } | |
2532 | ||
2533 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
2534 | } | |
2535 | ||
9115171a | 2536 | /** |
32c9ba54 | 2537 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 2538 | * |
32c9ba54 | 2539 | * @component: The component for which the DAIs should be unregistered |
9115171a | 2540 | */ |
32c9ba54 | 2541 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 2542 | { |
5c1d5f09 | 2543 | struct snd_soc_dai *dai, *_dai; |
9115171a | 2544 | |
5c1d5f09 | 2545 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
2546 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
2547 | dai->name); | |
5c1d5f09 | 2548 | list_del(&dai->list); |
32c9ba54 | 2549 | kfree(dai->name); |
f0fba2ad | 2550 | kfree(dai); |
f0fba2ad | 2551 | } |
9115171a | 2552 | } |
9115171a MB |
2553 | |
2554 | /** | |
32c9ba54 | 2555 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 2556 | * |
6106d129 LPC |
2557 | * @component: The component the DAIs are registered for |
2558 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 2559 | * @count: Number of DAIs |
32c9ba54 LPC |
2560 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
2561 | * parent's name. | |
9115171a | 2562 | */ |
6106d129 | 2563 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
2564 | struct snd_soc_dai_driver *dai_drv, size_t count, |
2565 | bool legacy_dai_naming) | |
9115171a | 2566 | { |
6106d129 | 2567 | struct device *dev = component->dev; |
f0fba2ad | 2568 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
2569 | unsigned int i; |
2570 | int ret; | |
f0fba2ad | 2571 | |
f110bfc7 | 2572 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 2573 | |
bb13109d LPC |
2574 | component->dai_drv = dai_drv; |
2575 | component->num_dai = count; | |
2576 | ||
9115171a | 2577 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
2578 | |
2579 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
2580 | if (dai == NULL) { |
2581 | ret = -ENOMEM; | |
2582 | goto err; | |
2583 | } | |
f0fba2ad | 2584 | |
32c9ba54 LPC |
2585 | /* |
2586 | * Back in the old days when we still had component-less DAIs, | |
2587 | * instead of having a static name, component-less DAIs would | |
2588 | * inherit the name of the parent device so it is possible to | |
2589 | * register multiple instances of the DAI. We still need to keep | |
2590 | * the same naming style even though those DAIs are not | |
2591 | * component-less anymore. | |
2592 | */ | |
9e498089 SK |
2593 | if (count == 1 && legacy_dai_naming && |
2594 | (dai_drv[i].id == 0 || dai_drv[i].name == NULL)) { | |
32c9ba54 LPC |
2595 | dai->name = fmt_single_name(dev, &dai->id); |
2596 | } else { | |
2597 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
2598 | if (dai_drv[i].id) | |
2599 | dai->id = dai_drv[i].id; | |
2600 | else | |
2601 | dai->id = i; | |
2602 | } | |
f0fba2ad LG |
2603 | if (dai->name == NULL) { |
2604 | kfree(dai); | |
32c9ba54 | 2605 | ret = -ENOMEM; |
9115171a | 2606 | goto err; |
f0fba2ad LG |
2607 | } |
2608 | ||
6106d129 | 2609 | dai->component = component; |
f0fba2ad | 2610 | dai->dev = dev; |
f0fba2ad LG |
2611 | dai->driver = &dai_drv[i]; |
2612 | if (!dai->driver->ops) | |
2613 | dai->driver->ops = &null_dai_ops; | |
2614 | ||
1438c2f6 | 2615 | list_add(&dai->list, &component->dai_list); |
054880fe | 2616 | |
32c9ba54 | 2617 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
2618 | } |
2619 | ||
2620 | return 0; | |
2621 | ||
2622 | err: | |
32c9ba54 | 2623 | snd_soc_unregister_dais(component); |
9115171a MB |
2624 | |
2625 | return ret; | |
2626 | } | |
9115171a | 2627 | |
14e8bdeb LPC |
2628 | static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, |
2629 | enum snd_soc_dapm_type type, int subseq) | |
d191bd8d | 2630 | { |
14e8bdeb | 2631 | struct snd_soc_component *component = dapm->component; |
d191bd8d | 2632 | |
14e8bdeb LPC |
2633 | component->driver->seq_notifier(component, type, subseq); |
2634 | } | |
d191bd8d | 2635 | |
14e8bdeb LPC |
2636 | static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, |
2637 | int event) | |
2638 | { | |
2639 | struct snd_soc_component *component = dapm->component; | |
d191bd8d | 2640 | |
14e8bdeb LPC |
2641 | return component->driver->stream_event(component, event); |
2642 | } | |
e2c330b9 | 2643 | |
bb13109d LPC |
2644 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
2645 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 2646 | { |
ce0fc93a LPC |
2647 | struct snd_soc_dapm_context *dapm; |
2648 | ||
bb13109d LPC |
2649 | component->name = fmt_single_name(dev, &component->id); |
2650 | if (!component->name) { | |
2651 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
2652 | return -ENOMEM; |
2653 | } | |
2654 | ||
bb13109d LPC |
2655 | component->dev = dev; |
2656 | component->driver = driver; | |
61aca564 LPC |
2657 | component->probe = component->driver->probe; |
2658 | component->remove = component->driver->remove; | |
d191bd8d | 2659 | |
ce0fc93a LPC |
2660 | if (!component->dapm_ptr) |
2661 | component->dapm_ptr = &component->dapm; | |
2662 | ||
2663 | dapm = component->dapm_ptr; | |
2664 | dapm->dev = dev; | |
2665 | dapm->component = component; | |
2666 | dapm->bias_level = SND_SOC_BIAS_OFF; | |
5819c2fa | 2667 | dapm->idle_bias_off = true; |
14e8bdeb LPC |
2668 | if (driver->seq_notifier) |
2669 | dapm->seq_notifier = snd_soc_component_seq_notifier; | |
2670 | if (driver->stream_event) | |
2671 | dapm->stream_event = snd_soc_component_stream_event; | |
d191bd8d | 2672 | |
61aca564 LPC |
2673 | component->controls = driver->controls; |
2674 | component->num_controls = driver->num_controls; | |
2675 | component->dapm_widgets = driver->dapm_widgets; | |
2676 | component->num_dapm_widgets = driver->num_dapm_widgets; | |
2677 | component->dapm_routes = driver->dapm_routes; | |
2678 | component->num_dapm_routes = driver->num_dapm_routes; | |
2679 | ||
bb13109d LPC |
2680 | INIT_LIST_HEAD(&component->dai_list); |
2681 | mutex_init(&component->io_mutex); | |
d191bd8d | 2682 | |
bb13109d LPC |
2683 | return 0; |
2684 | } | |
d191bd8d | 2685 | |
20feb881 | 2686 | static void snd_soc_component_setup_regmap(struct snd_soc_component *component) |
886f5692 | 2687 | { |
20feb881 LPC |
2688 | int val_bytes = regmap_get_val_bytes(component->regmap); |
2689 | ||
2690 | /* Errors are legitimate for non-integer byte multiples */ | |
2691 | if (val_bytes > 0) | |
2692 | component->val_bytes = val_bytes; | |
2693 | } | |
2694 | ||
e874bf5f LPC |
2695 | #ifdef CONFIG_REGMAP |
2696 | ||
20feb881 LPC |
2697 | /** |
2698 | * snd_soc_component_init_regmap() - Initialize regmap instance for the component | |
2699 | * @component: The component for which to initialize the regmap instance | |
2700 | * @regmap: The regmap instance that should be used by the component | |
2701 | * | |
2702 | * This function allows deferred assignment of the regmap instance that is | |
2703 | * associated with the component. Only use this if the regmap instance is not | |
2704 | * yet ready when the component is registered. The function must also be called | |
2705 | * before the first IO attempt of the component. | |
2706 | */ | |
2707 | void snd_soc_component_init_regmap(struct snd_soc_component *component, | |
2708 | struct regmap *regmap) | |
2709 | { | |
2710 | component->regmap = regmap; | |
2711 | snd_soc_component_setup_regmap(component); | |
886f5692 | 2712 | } |
20feb881 LPC |
2713 | EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap); |
2714 | ||
2715 | /** | |
2716 | * snd_soc_component_exit_regmap() - De-initialize regmap instance for the component | |
2717 | * @component: The component for which to de-initialize the regmap instance | |
2718 | * | |
2719 | * Calls regmap_exit() on the regmap instance associated to the component and | |
2720 | * removes the regmap instance from the component. | |
2721 | * | |
2722 | * This function should only be used if snd_soc_component_init_regmap() was used | |
2723 | * to initialize the regmap instance. | |
2724 | */ | |
2725 | void snd_soc_component_exit_regmap(struct snd_soc_component *component) | |
2726 | { | |
2727 | regmap_exit(component->regmap); | |
2728 | component->regmap = NULL; | |
2729 | } | |
2730 | EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap); | |
886f5692 | 2731 | |
e874bf5f | 2732 | #endif |
886f5692 | 2733 | |
bb13109d LPC |
2734 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
2735 | { | |
20feb881 LPC |
2736 | if (!component->write && !component->read) { |
2737 | if (!component->regmap) | |
2738 | component->regmap = dev_get_regmap(component->dev, NULL); | |
2739 | if (component->regmap) | |
2740 | snd_soc_component_setup_regmap(component); | |
2741 | } | |
886f5692 | 2742 | |
bb13109d LPC |
2743 | list_add(&component->list, &component_list); |
2744 | } | |
d191bd8d | 2745 | |
bb13109d LPC |
2746 | static void snd_soc_component_add(struct snd_soc_component *component) |
2747 | { | |
d191bd8d | 2748 | mutex_lock(&client_mutex); |
bb13109d | 2749 | snd_soc_component_add_unlocked(component); |
d191bd8d | 2750 | mutex_unlock(&client_mutex); |
bb13109d | 2751 | } |
d191bd8d | 2752 | |
bb13109d LPC |
2753 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
2754 | { | |
2755 | snd_soc_unregister_dais(component); | |
2756 | kfree(component->name); | |
2757 | } | |
d191bd8d | 2758 | |
bb13109d LPC |
2759 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
2760 | { | |
2761 | list_del(&component->list); | |
2762 | } | |
d191bd8d | 2763 | |
d191bd8d KM |
2764 | int snd_soc_register_component(struct device *dev, |
2765 | const struct snd_soc_component_driver *cmpnt_drv, | |
2766 | struct snd_soc_dai_driver *dai_drv, | |
2767 | int num_dai) | |
2768 | { | |
2769 | struct snd_soc_component *cmpnt; | |
bb13109d | 2770 | int ret; |
d191bd8d | 2771 | |
bb13109d | 2772 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
2773 | if (!cmpnt) { |
2774 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
2775 | return -ENOMEM; | |
2776 | } | |
2777 | ||
bb13109d LPC |
2778 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
2779 | if (ret) | |
2780 | goto err_free; | |
2781 | ||
3d59400f | 2782 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 2783 | cmpnt->registered_as_component = true; |
3d59400f | 2784 | |
bb13109d LPC |
2785 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
2786 | if (ret < 0) { | |
f42cf8d6 | 2787 | dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret); |
bb13109d LPC |
2788 | goto err_cleanup; |
2789 | } | |
d191bd8d | 2790 | |
bb13109d | 2791 | snd_soc_component_add(cmpnt); |
4da53393 | 2792 | |
bb13109d | 2793 | return 0; |
4da53393 | 2794 | |
bb13109d LPC |
2795 | err_cleanup: |
2796 | snd_soc_component_cleanup(cmpnt); | |
2797 | err_free: | |
2798 | kfree(cmpnt); | |
2799 | return ret; | |
4da53393 | 2800 | } |
bb13109d | 2801 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 2802 | |
d191bd8d KM |
2803 | /** |
2804 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
2805 | * | |
2806 | */ | |
2807 | void snd_soc_unregister_component(struct device *dev) | |
2808 | { | |
2809 | struct snd_soc_component *cmpnt; | |
2810 | ||
34e81ab4 | 2811 | mutex_lock(&client_mutex); |
d191bd8d | 2812 | list_for_each_entry(cmpnt, &component_list, list) { |
98e639fb | 2813 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
2814 | goto found; |
2815 | } | |
34e81ab4 | 2816 | mutex_unlock(&client_mutex); |
d191bd8d KM |
2817 | return; |
2818 | ||
2819 | found: | |
34e81ab4 LPC |
2820 | snd_soc_component_del_unlocked(cmpnt); |
2821 | mutex_unlock(&client_mutex); | |
bb13109d LPC |
2822 | snd_soc_component_cleanup(cmpnt); |
2823 | kfree(cmpnt); | |
d191bd8d KM |
2824 | } |
2825 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 2826 | |
f1d45cc3 | 2827 | static int snd_soc_platform_drv_probe(struct snd_soc_component *component) |
e2c330b9 LPC |
2828 | { |
2829 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
d191bd8d | 2830 | |
f1d45cc3 | 2831 | return platform->driver->probe(platform); |
e2c330b9 LPC |
2832 | } |
2833 | ||
f1d45cc3 | 2834 | static void snd_soc_platform_drv_remove(struct snd_soc_component *component) |
e2c330b9 LPC |
2835 | { |
2836 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
2837 | ||
f1d45cc3 | 2838 | platform->driver->remove(platform); |
d191bd8d | 2839 | } |
d191bd8d | 2840 | |
12a48a8c | 2841 | /** |
71a45cda LPC |
2842 | * snd_soc_add_platform - Add a platform to the ASoC core |
2843 | * @dev: The parent device for the platform | |
2844 | * @platform: The platform to add | |
2845 | * @platform_driver: The driver for the platform | |
12a48a8c | 2846 | */ |
71a45cda | 2847 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 2848 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 2849 | { |
b37f1d12 LPC |
2850 | int ret; |
2851 | ||
bb13109d LPC |
2852 | ret = snd_soc_component_initialize(&platform->component, |
2853 | &platform_drv->component_driver, dev); | |
2854 | if (ret) | |
2855 | return ret; | |
12a48a8c | 2856 | |
f0fba2ad LG |
2857 | platform->dev = dev; |
2858 | platform->driver = platform_drv; | |
f1d45cc3 LPC |
2859 | |
2860 | if (platform_drv->probe) | |
2861 | platform->component.probe = snd_soc_platform_drv_probe; | |
2862 | if (platform_drv->remove) | |
2863 | platform->component.remove = snd_soc_platform_drv_remove; | |
12a48a8c | 2864 | |
81c7cfd1 LPC |
2865 | #ifdef CONFIG_DEBUG_FS |
2866 | platform->component.debugfs_prefix = "platform"; | |
2867 | #endif | |
12a48a8c MB |
2868 | |
2869 | mutex_lock(&client_mutex); | |
bb13109d | 2870 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
2871 | list_add(&platform->list, &platform_list); |
2872 | mutex_unlock(&client_mutex); | |
2873 | ||
f4333203 LPC |
2874 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
2875 | platform->component.name); | |
12a48a8c MB |
2876 | |
2877 | return 0; | |
2878 | } | |
71a45cda | 2879 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
2880 | |
2881 | /** | |
71a45cda | 2882 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 2883 | * |
71a45cda | 2884 | * @platform: platform to register |
12a48a8c | 2885 | */ |
71a45cda LPC |
2886 | int snd_soc_register_platform(struct device *dev, |
2887 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 2888 | { |
f0fba2ad | 2889 | struct snd_soc_platform *platform; |
71a45cda | 2890 | int ret; |
f0fba2ad | 2891 | |
71a45cda | 2892 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 2893 | |
71a45cda LPC |
2894 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
2895 | if (platform == NULL) | |
2896 | return -ENOMEM; | |
2897 | ||
2898 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
2899 | if (ret) | |
2900 | kfree(platform); | |
2901 | ||
2902 | return ret; | |
2903 | } | |
2904 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
2905 | ||
2906 | /** | |
2907 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
2908 | * @platform: the platform to remove | |
2909 | */ | |
2910 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
2911 | { | |
b37f1d12 | 2912 | |
12a48a8c MB |
2913 | mutex_lock(&client_mutex); |
2914 | list_del(&platform->list); | |
bb13109d | 2915 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
2916 | mutex_unlock(&client_mutex); |
2917 | ||
71a45cda | 2918 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 2919 | platform->component.name); |
decc27b0 DM |
2920 | |
2921 | snd_soc_component_cleanup(&platform->component); | |
71a45cda LPC |
2922 | } |
2923 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
2924 | ||
2925 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
2926 | { | |
2927 | struct snd_soc_platform *platform; | |
2928 | ||
34e81ab4 | 2929 | mutex_lock(&client_mutex); |
71a45cda | 2930 | list_for_each_entry(platform, &platform_list, list) { |
34e81ab4 LPC |
2931 | if (dev == platform->dev) { |
2932 | mutex_unlock(&client_mutex); | |
71a45cda | 2933 | return platform; |
34e81ab4 | 2934 | } |
71a45cda | 2935 | } |
34e81ab4 | 2936 | mutex_unlock(&client_mutex); |
71a45cda LPC |
2937 | |
2938 | return NULL; | |
2939 | } | |
2940 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
2941 | ||
2942 | /** | |
2943 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
2944 | * | |
2945 | * @platform: platform to unregister | |
2946 | */ | |
2947 | void snd_soc_unregister_platform(struct device *dev) | |
2948 | { | |
2949 | struct snd_soc_platform *platform; | |
2950 | ||
2951 | platform = snd_soc_lookup_platform(dev); | |
2952 | if (!platform) | |
2953 | return; | |
2954 | ||
2955 | snd_soc_remove_platform(platform); | |
f0fba2ad | 2956 | kfree(platform); |
12a48a8c MB |
2957 | } |
2958 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
2959 | ||
151ab22c MB |
2960 | static u64 codec_format_map[] = { |
2961 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
2962 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
2963 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
2964 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
2965 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
2966 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
2967 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
2968 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
2969 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
2970 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
2971 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
2972 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
2973 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
2974 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
2975 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
2976 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
2977 | }; | |
2978 | ||
2979 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
2980 | * the endianness of the data but we're using the CPU format | |
2981 | * definitions which do need to include endianness so we ensure that | |
2982 | * codec DAIs always have both big and little endian variants set. | |
2983 | */ | |
2984 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
2985 | { | |
2986 | int i; | |
2987 | ||
2988 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
2989 | if (stream->formats & codec_format_map[i]) | |
2990 | stream->formats |= codec_format_map[i]; | |
2991 | } | |
2992 | ||
f1d45cc3 LPC |
2993 | static int snd_soc_codec_drv_probe(struct snd_soc_component *component) |
2994 | { | |
2995 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
2996 | ||
2997 | return codec->driver->probe(codec); | |
2998 | } | |
2999 | ||
3000 | static void snd_soc_codec_drv_remove(struct snd_soc_component *component) | |
3001 | { | |
3002 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3003 | ||
3004 | codec->driver->remove(codec); | |
3005 | } | |
3006 | ||
e2c330b9 LPC |
3007 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
3008 | unsigned int reg, unsigned int val) | |
3009 | { | |
3010 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3011 | ||
3012 | return codec->driver->write(codec, reg, val); | |
3013 | } | |
3014 | ||
3015 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
3016 | unsigned int reg, unsigned int *val) | |
3017 | { | |
3018 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3019 | ||
3020 | *val = codec->driver->read(codec, reg); | |
3021 | ||
3022 | return 0; | |
3023 | } | |
3024 | ||
68f831c2 LPC |
3025 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
3026 | enum snd_soc_bias_level level) | |
3027 | { | |
3028 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
3029 | ||
3030 | return codec->driver->set_bias_level(codec, level); | |
3031 | } | |
3032 | ||
0d0cf00a MB |
3033 | /** |
3034 | * snd_soc_register_codec - Register a codec with the ASoC core | |
3035 | * | |
ac11a2b3 | 3036 | * @codec: codec to register |
0d0cf00a | 3037 | */ |
f0fba2ad | 3038 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
3039 | const struct snd_soc_codec_driver *codec_drv, |
3040 | struct snd_soc_dai_driver *dai_drv, | |
3041 | int num_dai) | |
0d0cf00a | 3042 | { |
f0fba2ad | 3043 | struct snd_soc_codec *codec; |
bb13109d | 3044 | struct snd_soc_dai *dai; |
f0fba2ad | 3045 | int ret, i; |
151ab22c | 3046 | |
f0fba2ad LG |
3047 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
3048 | ||
3049 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
3050 | if (codec == NULL) | |
3051 | return -ENOMEM; | |
0d0cf00a | 3052 | |
ce0fc93a | 3053 | codec->component.dapm_ptr = &codec->dapm; |
f1d45cc3 | 3054 | codec->component.codec = codec; |
ce0fc93a | 3055 | |
bb13109d LPC |
3056 | ret = snd_soc_component_initialize(&codec->component, |
3057 | &codec_drv->component_driver, dev); | |
3058 | if (ret) | |
3059 | goto err_free; | |
f0fba2ad | 3060 | |
f1d45cc3 LPC |
3061 | if (codec_drv->controls) { |
3062 | codec->component.controls = codec_drv->controls; | |
3063 | codec->component.num_controls = codec_drv->num_controls; | |
3064 | } | |
3065 | if (codec_drv->dapm_widgets) { | |
3066 | codec->component.dapm_widgets = codec_drv->dapm_widgets; | |
3067 | codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets; | |
3068 | } | |
3069 | if (codec_drv->dapm_routes) { | |
3070 | codec->component.dapm_routes = codec_drv->dapm_routes; | |
3071 | codec->component.num_dapm_routes = codec_drv->num_dapm_routes; | |
3072 | } | |
3073 | ||
3074 | if (codec_drv->probe) | |
3075 | codec->component.probe = snd_soc_codec_drv_probe; | |
3076 | if (codec_drv->remove) | |
3077 | codec->component.remove = snd_soc_codec_drv_remove; | |
e2c330b9 LPC |
3078 | if (codec_drv->write) |
3079 | codec->component.write = snd_soc_codec_drv_write; | |
3080 | if (codec_drv->read) | |
3081 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 3082 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
5819c2fa | 3083 | codec->dapm.idle_bias_off = codec_drv->idle_bias_off; |
86dbf2ac | 3084 | codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off; |
14e8bdeb LPC |
3085 | if (codec_drv->seq_notifier) |
3086 | codec->dapm.seq_notifier = codec_drv->seq_notifier; | |
68f831c2 LPC |
3087 | if (codec_drv->set_bias_level) |
3088 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
3089 | codec->dev = dev; |
3090 | codec->driver = codec_drv; | |
e2c330b9 | 3091 | codec->component.val_bytes = codec_drv->reg_word_size; |
ce6120cc | 3092 | |
81c7cfd1 LPC |
3093 | #ifdef CONFIG_DEBUG_FS |
3094 | codec->component.init_debugfs = soc_init_codec_debugfs; | |
3095 | codec->component.debugfs_prefix = "codec"; | |
3096 | #endif | |
3097 | ||
886f5692 LPC |
3098 | if (codec_drv->get_regmap) |
3099 | codec->component.regmap = codec_drv->get_regmap(dev); | |
a39f75f7 | 3100 | |
f0fba2ad LG |
3101 | for (i = 0; i < num_dai; i++) { |
3102 | fixup_codec_formats(&dai_drv[i].playback); | |
3103 | fixup_codec_formats(&dai_drv[i].capture); | |
3104 | } | |
3105 | ||
bb13109d | 3106 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
5acd7dfb | 3107 | if (ret < 0) { |
f42cf8d6 | 3108 | dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret); |
bb13109d | 3109 | goto err_cleanup; |
26b01ccd | 3110 | } |
f0fba2ad | 3111 | |
bb13109d LPC |
3112 | list_for_each_entry(dai, &codec->component.dai_list, list) |
3113 | dai->codec = codec; | |
f0fba2ad | 3114 | |
e1328a83 | 3115 | mutex_lock(&client_mutex); |
bb13109d | 3116 | snd_soc_component_add_unlocked(&codec->component); |
054880fe | 3117 | list_add(&codec->list, &codec_list); |
e1328a83 KM |
3118 | mutex_unlock(&client_mutex); |
3119 | ||
f4333203 LPC |
3120 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
3121 | codec->component.name); | |
0d0cf00a | 3122 | return 0; |
f0fba2ad | 3123 | |
bb13109d LPC |
3124 | err_cleanup: |
3125 | snd_soc_component_cleanup(&codec->component); | |
3126 | err_free: | |
f0fba2ad LG |
3127 | kfree(codec); |
3128 | return ret; | |
0d0cf00a MB |
3129 | } |
3130 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
3131 | ||
3132 | /** | |
3133 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
3134 | * | |
ac11a2b3 | 3135 | * @codec: codec to unregister |
0d0cf00a | 3136 | */ |
f0fba2ad | 3137 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 3138 | { |
f0fba2ad | 3139 | struct snd_soc_codec *codec; |
f0fba2ad | 3140 | |
34e81ab4 | 3141 | mutex_lock(&client_mutex); |
f0fba2ad LG |
3142 | list_for_each_entry(codec, &codec_list, list) { |
3143 | if (dev == codec->dev) | |
3144 | goto found; | |
3145 | } | |
34e81ab4 | 3146 | mutex_unlock(&client_mutex); |
f0fba2ad LG |
3147 | return; |
3148 | ||
3149 | found: | |
0d0cf00a | 3150 | list_del(&codec->list); |
bb13109d | 3151 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
3152 | mutex_unlock(&client_mutex); |
3153 | ||
f4333203 LPC |
3154 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
3155 | codec->component.name); | |
f0fba2ad | 3156 | |
bb13109d | 3157 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 3158 | snd_soc_cache_exit(codec); |
f0fba2ad | 3159 | kfree(codec); |
0d0cf00a MB |
3160 | } |
3161 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
3162 | ||
bec4fa05 SW |
3163 | /* Retrieve a card's name from device tree */ |
3164 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
3165 | const char *propname) | |
3166 | { | |
7e07e7c0 | 3167 | struct device_node *np; |
bec4fa05 SW |
3168 | int ret; |
3169 | ||
7e07e7c0 TB |
3170 | if (!card->dev) { |
3171 | pr_err("card->dev is not set before calling %s\n", __func__); | |
3172 | return -EINVAL; | |
3173 | } | |
3174 | ||
3175 | np = card->dev->of_node; | |
3176 | ||
bec4fa05 SW |
3177 | ret = of_property_read_string_index(np, propname, 0, &card->name); |
3178 | /* | |
3179 | * EINVAL means the property does not exist. This is fine providing | |
3180 | * card->name was previously set, which is checked later in | |
3181 | * snd_soc_register_card. | |
3182 | */ | |
3183 | if (ret < 0 && ret != -EINVAL) { | |
3184 | dev_err(card->dev, | |
f110bfc7 | 3185 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
3186 | propname, ret); |
3187 | return ret; | |
3188 | } | |
3189 | ||
3190 | return 0; | |
3191 | } | |
3192 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
3193 | ||
9a6d4860 XL |
3194 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
3195 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
3196 | SND_SOC_DAPM_LINE("Line", NULL), | |
3197 | SND_SOC_DAPM_HP("Headphone", NULL), | |
3198 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
3199 | }; | |
3200 | ||
3201 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
3202 | const char *propname) | |
3203 | { | |
3204 | struct device_node *np = card->dev->of_node; | |
3205 | struct snd_soc_dapm_widget *widgets; | |
3206 | const char *template, *wname; | |
3207 | int i, j, num_widgets, ret; | |
3208 | ||
3209 | num_widgets = of_property_count_strings(np, propname); | |
3210 | if (num_widgets < 0) { | |
3211 | dev_err(card->dev, | |
3212 | "ASoC: Property '%s' does not exist\n", propname); | |
3213 | return -EINVAL; | |
3214 | } | |
3215 | if (num_widgets & 1) { | |
3216 | dev_err(card->dev, | |
3217 | "ASoC: Property '%s' length is not even\n", propname); | |
3218 | return -EINVAL; | |
3219 | } | |
3220 | ||
3221 | num_widgets /= 2; | |
3222 | if (!num_widgets) { | |
3223 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
3224 | propname); | |
3225 | return -EINVAL; | |
3226 | } | |
3227 | ||
3228 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
3229 | GFP_KERNEL); | |
3230 | if (!widgets) { | |
3231 | dev_err(card->dev, | |
3232 | "ASoC: Could not allocate memory for widgets\n"); | |
3233 | return -ENOMEM; | |
3234 | } | |
3235 | ||
3236 | for (i = 0; i < num_widgets; i++) { | |
3237 | ret = of_property_read_string_index(np, propname, | |
3238 | 2 * i, &template); | |
3239 | if (ret) { | |
3240 | dev_err(card->dev, | |
3241 | "ASoC: Property '%s' index %d read error:%d\n", | |
3242 | propname, 2 * i, ret); | |
3243 | return -EINVAL; | |
3244 | } | |
3245 | ||
3246 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
3247 | if (!strncmp(template, simple_widgets[j].name, | |
3248 | strlen(simple_widgets[j].name))) { | |
3249 | widgets[i] = simple_widgets[j]; | |
3250 | break; | |
3251 | } | |
3252 | } | |
3253 | ||
3254 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
3255 | dev_err(card->dev, | |
3256 | "ASoC: DAPM widget '%s' is not supported\n", | |
3257 | template); | |
3258 | return -EINVAL; | |
3259 | } | |
3260 | ||
3261 | ret = of_property_read_string_index(np, propname, | |
3262 | (2 * i) + 1, | |
3263 | &wname); | |
3264 | if (ret) { | |
3265 | dev_err(card->dev, | |
3266 | "ASoC: Property '%s' index %d read error:%d\n", | |
3267 | propname, (2 * i) + 1, ret); | |
3268 | return -EINVAL; | |
3269 | } | |
3270 | ||
3271 | widgets[i].name = wname; | |
3272 | } | |
3273 | ||
f23e860e NC |
3274 | card->of_dapm_widgets = widgets; |
3275 | card->num_of_dapm_widgets = num_widgets; | |
9a6d4860 XL |
3276 | |
3277 | return 0; | |
3278 | } | |
3279 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
3280 | ||
89c67857 XL |
3281 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
3282 | unsigned int *slots, | |
3283 | unsigned int *slot_width) | |
3284 | { | |
3285 | u32 val; | |
3286 | int ret; | |
3287 | ||
3288 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
3289 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
3290 | if (ret) | |
3291 | return ret; | |
3292 | ||
3293 | if (slots) | |
3294 | *slots = val; | |
3295 | } | |
3296 | ||
3297 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
3298 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
3299 | if (ret) | |
3300 | return ret; | |
3301 | ||
3302 | if (slot_width) | |
3303 | *slot_width = val; | |
3304 | } | |
3305 | ||
3306 | return 0; | |
3307 | } | |
3308 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
3309 | ||
a4a54dd5 SW |
3310 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
3311 | const char *propname) | |
3312 | { | |
3313 | struct device_node *np = card->dev->of_node; | |
e3b1e6a1 | 3314 | int num_routes; |
a4a54dd5 SW |
3315 | struct snd_soc_dapm_route *routes; |
3316 | int i, ret; | |
3317 | ||
3318 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 3319 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
3320 | dev_err(card->dev, |
3321 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
3322 | propname); | |
a4a54dd5 SW |
3323 | return -EINVAL; |
3324 | } | |
3325 | num_routes /= 2; | |
3326 | if (!num_routes) { | |
f110bfc7 | 3327 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
3328 | propname); |
3329 | return -EINVAL; | |
3330 | } | |
3331 | ||
e3b1e6a1 | 3332 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), |
a4a54dd5 SW |
3333 | GFP_KERNEL); |
3334 | if (!routes) { | |
3335 | dev_err(card->dev, | |
f110bfc7 | 3336 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
3337 | return -EINVAL; |
3338 | } | |
3339 | ||
3340 | for (i = 0; i < num_routes; i++) { | |
3341 | ret = of_property_read_string_index(np, propname, | |
e3b1e6a1 | 3342 | 2 * i, &routes[i].sink); |
a4a54dd5 | 3343 | if (ret) { |
c871bd0b MB |
3344 | dev_err(card->dev, |
3345 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
3346 | propname, 2 * i, ret); | |
a4a54dd5 SW |
3347 | return -EINVAL; |
3348 | } | |
3349 | ret = of_property_read_string_index(np, propname, | |
e3b1e6a1 | 3350 | (2 * i) + 1, &routes[i].source); |
a4a54dd5 SW |
3351 | if (ret) { |
3352 | dev_err(card->dev, | |
c871bd0b MB |
3353 | "ASoC: Property '%s' index %d could not be read: %d\n", |
3354 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
3355 | return -EINVAL; |
3356 | } | |
3357 | } | |
3358 | ||
f23e860e NC |
3359 | card->num_of_dapm_routes = num_routes; |
3360 | card->of_dapm_routes = routes; | |
a4a54dd5 SW |
3361 | |
3362 | return 0; | |
3363 | } | |
3364 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
3365 | ||
a7930ed4 | 3366 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
3367 | const char *prefix, |
3368 | struct device_node **bitclkmaster, | |
3369 | struct device_node **framemaster) | |
a7930ed4 KM |
3370 | { |
3371 | int ret, i; | |
3372 | char prop[128]; | |
3373 | unsigned int format = 0; | |
3374 | int bit, frame; | |
3375 | const char *str; | |
3376 | struct { | |
3377 | char *name; | |
3378 | unsigned int val; | |
3379 | } of_fmt_table[] = { | |
3380 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
3381 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
3382 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
3383 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
3384 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
3385 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
3386 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
3387 | { "msb", SND_SOC_DAIFMT_MSB }, | |
3388 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
3389 | }; |
3390 | ||
3391 | if (!prefix) | |
3392 | prefix = ""; | |
3393 | ||
3394 | /* | |
3395 | * check "[prefix]format = xxx" | |
3396 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
3397 | */ | |
3398 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
3399 | ret = of_property_read_string(np, prop, &str); | |
3400 | if (ret == 0) { | |
3401 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
3402 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
3403 | format |= of_fmt_table[i].val; | |
3404 | break; | |
3405 | } | |
3406 | } | |
3407 | } | |
3408 | ||
3409 | /* | |
8c2d6a9f | 3410 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
3411 | * SND_SOC_DAIFMT_CLOCK_MASK area |
3412 | */ | |
8c2d6a9f KM |
3413 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
3414 | if (of_get_property(np, prop, NULL)) | |
3415 | format |= SND_SOC_DAIFMT_CONT; | |
3416 | else | |
3417 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
3418 | |
3419 | /* | |
3420 | * check "[prefix]bitclock-inversion" | |
3421 | * check "[prefix]frame-inversion" | |
3422 | * SND_SOC_DAIFMT_INV_MASK area | |
3423 | */ | |
3424 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
3425 | bit = !!of_get_property(np, prop, NULL); | |
3426 | ||
3427 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
3428 | frame = !!of_get_property(np, prop, NULL); | |
3429 | ||
3430 | switch ((bit << 4) + frame) { | |
3431 | case 0x11: | |
3432 | format |= SND_SOC_DAIFMT_IB_IF; | |
3433 | break; | |
3434 | case 0x10: | |
3435 | format |= SND_SOC_DAIFMT_IB_NF; | |
3436 | break; | |
3437 | case 0x01: | |
3438 | format |= SND_SOC_DAIFMT_NB_IF; | |
3439 | break; | |
3440 | default: | |
3441 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
3442 | break; | |
3443 | } | |
3444 | ||
3445 | /* | |
3446 | * check "[prefix]bitclock-master" | |
3447 | * check "[prefix]frame-master" | |
3448 | * SND_SOC_DAIFMT_MASTER_MASK area | |
3449 | */ | |
3450 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
3451 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
3452 | if (bit && bitclkmaster) |
3453 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
3454 | |
3455 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
3456 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
3457 | if (frame && framemaster) |
3458 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
3459 | |
3460 | switch ((bit << 4) + frame) { | |
3461 | case 0x11: | |
3462 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
3463 | break; | |
3464 | case 0x10: | |
3465 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
3466 | break; | |
3467 | case 0x01: | |
3468 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
3469 | break; | |
3470 | default: | |
3471 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
3472 | break; | |
3473 | } | |
3474 | ||
3475 | return format; | |
3476 | } | |
3477 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
3478 | ||
93b0f3ee JFM |
3479 | static int snd_soc_get_dai_name(struct of_phandle_args *args, |
3480 | const char **dai_name) | |
cb470087 KM |
3481 | { |
3482 | struct snd_soc_component *pos; | |
93b0f3ee | 3483 | int ret = -EPROBE_DEFER; |
cb470087 KM |
3484 | |
3485 | mutex_lock(&client_mutex); | |
3486 | list_for_each_entry(pos, &component_list, list) { | |
93b0f3ee | 3487 | if (pos->dev->of_node != args->np) |
cb470087 KM |
3488 | continue; |
3489 | ||
6833c452 | 3490 | if (pos->driver->of_xlate_dai_name) { |
93b0f3ee JFM |
3491 | ret = pos->driver->of_xlate_dai_name(pos, |
3492 | args, | |
3493 | dai_name); | |
6833c452 KM |
3494 | } else { |
3495 | int id = -1; | |
3496 | ||
93b0f3ee | 3497 | switch (args->args_count) { |
6833c452 KM |
3498 | case 0: |
3499 | id = 0; /* same as dai_drv[0] */ | |
3500 | break; | |
3501 | case 1: | |
93b0f3ee | 3502 | id = args->args[0]; |
6833c452 KM |
3503 | break; |
3504 | default: | |
3505 | /* not supported */ | |
3506 | break; | |
3507 | } | |
3508 | ||
3509 | if (id < 0 || id >= pos->num_dai) { | |
3510 | ret = -EINVAL; | |
3dcba280 | 3511 | continue; |
6833c452 | 3512 | } |
e41975ed XL |
3513 | |
3514 | ret = 0; | |
3515 | ||
3516 | *dai_name = pos->dai_drv[id].name; | |
3517 | if (!*dai_name) | |
3518 | *dai_name = pos->name; | |
cb470087 KM |
3519 | } |
3520 | ||
cb470087 KM |
3521 | break; |
3522 | } | |
3523 | mutex_unlock(&client_mutex); | |
93b0f3ee JFM |
3524 | return ret; |
3525 | } | |
3526 | ||
3527 | int snd_soc_of_get_dai_name(struct device_node *of_node, | |
3528 | const char **dai_name) | |
3529 | { | |
3530 | struct of_phandle_args args; | |
3531 | int ret; | |
3532 | ||
3533 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
3534 | "#sound-dai-cells", 0, &args); | |
3535 | if (ret) | |
3536 | return ret; | |
3537 | ||
3538 | ret = snd_soc_get_dai_name(&args, dai_name); | |
cb470087 KM |
3539 | |
3540 | of_node_put(args.np); | |
3541 | ||
3542 | return ret; | |
3543 | } | |
3544 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
3545 | ||
93b0f3ee JFM |
3546 | /* |
3547 | * snd_soc_of_get_dai_link_codecs - Parse a list of CODECs in the devicetree | |
3548 | * @dev: Card device | |
3549 | * @of_node: Device node | |
3550 | * @dai_link: DAI link | |
3551 | * | |
3552 | * Builds an array of CODEC DAI components from the DAI link property | |
3553 | * 'sound-dai'. | |
3554 | * The array is set in the DAI link and the number of DAIs is set accordingly. | |
3555 | * The device nodes in the array (of_node) must be dereferenced by the caller. | |
3556 | * | |
3557 | * Returns 0 for success | |
3558 | */ | |
3559 | int snd_soc_of_get_dai_link_codecs(struct device *dev, | |
3560 | struct device_node *of_node, | |
3561 | struct snd_soc_dai_link *dai_link) | |
3562 | { | |
3563 | struct of_phandle_args args; | |
3564 | struct snd_soc_dai_link_component *component; | |
3565 | char *name; | |
3566 | int index, num_codecs, ret; | |
3567 | ||
3568 | /* Count the number of CODECs */ | |
3569 | name = "sound-dai"; | |
3570 | num_codecs = of_count_phandle_with_args(of_node, name, | |
3571 | "#sound-dai-cells"); | |
3572 | if (num_codecs <= 0) { | |
3573 | if (num_codecs == -ENOENT) | |
3574 | dev_err(dev, "No 'sound-dai' property\n"); | |
3575 | else | |
3576 | dev_err(dev, "Bad phandle in 'sound-dai'\n"); | |
3577 | return num_codecs; | |
3578 | } | |
3579 | component = devm_kzalloc(dev, | |
3580 | sizeof *component * num_codecs, | |
3581 | GFP_KERNEL); | |
3582 | if (!component) | |
3583 | return -ENOMEM; | |
3584 | dai_link->codecs = component; | |
3585 | dai_link->num_codecs = num_codecs; | |
3586 | ||
3587 | /* Parse the list */ | |
3588 | for (index = 0, component = dai_link->codecs; | |
3589 | index < dai_link->num_codecs; | |
3590 | index++, component++) { | |
3591 | ret = of_parse_phandle_with_args(of_node, name, | |
3592 | "#sound-dai-cells", | |
3593 | index, &args); | |
3594 | if (ret) | |
3595 | goto err; | |
3596 | component->of_node = args.np; | |
3597 | ret = snd_soc_get_dai_name(&args, &component->dai_name); | |
3598 | if (ret < 0) | |
3599 | goto err; | |
3600 | } | |
3601 | return 0; | |
3602 | err: | |
3603 | for (index = 0, component = dai_link->codecs; | |
3604 | index < dai_link->num_codecs; | |
3605 | index++, component++) { | |
3606 | if (!component->of_node) | |
3607 | break; | |
3608 | of_node_put(component->of_node); | |
3609 | component->of_node = NULL; | |
3610 | } | |
3611 | dai_link->codecs = NULL; | |
3612 | dai_link->num_codecs = 0; | |
3613 | return ret; | |
3614 | } | |
3615 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_link_codecs); | |
3616 | ||
c9b3a40f | 3617 | static int __init snd_soc_init(void) |
db2a4165 | 3618 | { |
6553bf06 | 3619 | snd_soc_debugfs_init(); |
fb257897 MB |
3620 | snd_soc_util_init(); |
3621 | ||
db2a4165 FM |
3622 | return platform_driver_register(&soc_driver); |
3623 | } | |
4abe8e16 | 3624 | module_init(snd_soc_init); |
db2a4165 | 3625 | |
7d8c16a6 | 3626 | static void __exit snd_soc_exit(void) |
db2a4165 | 3627 | { |
fb257897 | 3628 | snd_soc_util_exit(); |
6553bf06 | 3629 | snd_soc_debugfs_exit(); |
fb257897 | 3630 | |
384c89e2 | 3631 | #ifdef CONFIG_DEBUG_FS |
384c89e2 | 3632 | #endif |
3ff3f64b | 3633 | platform_driver_unregister(&soc_driver); |
db2a4165 | 3634 | } |
db2a4165 FM |
3635 | module_exit(snd_soc_exit); |
3636 | ||
3637 | /* Module information */ | |
d331124d | 3638 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
3639 | MODULE_DESCRIPTION("ALSA SoC Core"); |
3640 | MODULE_LICENSE("GPL"); | |
8b45a209 | 3641 | MODULE_ALIAS("platform:soc-audio"); |