Commit | Line | Data |
---|---|---|
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 DP |
94 | int ret; |
95 | char tmpbuf[len + 1]; | |
96 | char regbuf[regsize + 1]; | |
97 | ||
98 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
99 | * try to abuse this function */ | |
100 | WARN_ON(len > 63); | |
101 | ||
102 | /* +2 for ': ' and + 1 for '\n' */ | |
103 | if (wordsize + regsize + 2 + 1 != len) | |
104 | return -EINVAL; | |
105 | ||
25032c11 | 106 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
107 | if (ret < 0) { |
108 | memset(regbuf, 'X', regsize); | |
109 | regbuf[regsize] = '\0'; | |
110 | } else { | |
111 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
112 | } | |
113 | ||
114 | /* prepare the buffer */ | |
115 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
116 | /* copy it back to the caller without the '\0' */ | |
117 | memcpy(buf, tmpbuf, len); | |
118 | ||
119 | return 0; | |
120 | } | |
121 | ||
2624d5fa | 122 | /* codec register dump */ |
13fd179f DP |
123 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
124 | size_t count, loff_t pos) | |
2624d5fa | 125 | { |
13fd179f | 126 | int i, step = 1; |
2bc9a81e | 127 | int wordsize, regsize; |
13fd179f DP |
128 | int len; |
129 | size_t total = 0; | |
130 | loff_t p = 0; | |
2bc9a81e | 131 | |
00b317a4 SW |
132 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
133 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 134 | |
13fd179f DP |
135 | len = wordsize + regsize + 2 + 1; |
136 | ||
f0fba2ad | 137 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
138 | return 0; |
139 | ||
f0fba2ad LG |
140 | if (codec->driver->reg_cache_step) |
141 | step = codec->driver->reg_cache_step; | |
2624d5fa | 142 | |
f0fba2ad | 143 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
20a0ec27 LPC |
144 | /* only support larger than PAGE_SIZE bytes debugfs |
145 | * entries for the default case */ | |
146 | if (p >= pos) { | |
147 | if (total + len >= count - 1) | |
148 | break; | |
149 | format_register_str(codec, i, buf + total, len); | |
150 | total += len; | |
5164d74d | 151 | } |
20a0ec27 | 152 | p += len; |
2624d5fa MB |
153 | } |
154 | ||
13fd179f | 155 | total = min(total, count - 1); |
2624d5fa | 156 | |
13fd179f | 157 | return total; |
2624d5fa | 158 | } |
13fd179f | 159 | |
2624d5fa MB |
160 | static ssize_t codec_reg_show(struct device *dev, |
161 | struct device_attribute *attr, char *buf) | |
162 | { | |
36ae1a96 | 163 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 164 | |
13fd179f | 165 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
166 | } |
167 | ||
168 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
169 | ||
dbe21408 MB |
170 | static ssize_t pmdown_time_show(struct device *dev, |
171 | struct device_attribute *attr, char *buf) | |
172 | { | |
36ae1a96 | 173 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 174 | |
f0fba2ad | 175 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
176 | } |
177 | ||
178 | static ssize_t pmdown_time_set(struct device *dev, | |
179 | struct device_attribute *attr, | |
180 | const char *buf, size_t count) | |
181 | { | |
36ae1a96 | 182 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 183 | int ret; |
dbe21408 | 184 | |
b785a492 | 185 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
186 | if (ret) |
187 | return ret; | |
dbe21408 MB |
188 | |
189 | return count; | |
190 | } | |
191 | ||
192 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
193 | ||
2624d5fa | 194 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 195 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 196 | size_t count, loff_t *ppos) |
2624d5fa MB |
197 | { |
198 | ssize_t ret; | |
199 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
200 | char *buf; |
201 | ||
202 | if (*ppos < 0 || !count) | |
203 | return -EINVAL; | |
204 | ||
205 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
206 | if (!buf) |
207 | return -ENOMEM; | |
13fd179f DP |
208 | |
209 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
210 | if (ret >= 0) { | |
211 | if (copy_to_user(user_buf, buf, ret)) { | |
212 | kfree(buf); | |
213 | return -EFAULT; | |
214 | } | |
215 | *ppos += ret; | |
216 | } | |
217 | ||
2624d5fa MB |
218 | kfree(buf); |
219 | return ret; | |
220 | } | |
221 | ||
222 | static ssize_t codec_reg_write_file(struct file *file, | |
223 | const char __user *user_buf, size_t count, loff_t *ppos) | |
224 | { | |
225 | char buf[32]; | |
34e268d8 | 226 | size_t buf_size; |
2624d5fa MB |
227 | char *start = buf; |
228 | unsigned long reg, value; | |
2624d5fa | 229 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 230 | int ret; |
2624d5fa MB |
231 | |
232 | buf_size = min(count, (sizeof(buf)-1)); | |
233 | if (copy_from_user(buf, user_buf, buf_size)) | |
234 | return -EFAULT; | |
235 | buf[buf_size] = 0; | |
2624d5fa MB |
236 | |
237 | while (*start == ' ') | |
238 | start++; | |
239 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
240 | while (*start == ' ') |
241 | start++; | |
b785a492 JH |
242 | ret = kstrtoul(start, 16, &value); |
243 | if (ret) | |
244 | return ret; | |
0d51a9cb MB |
245 | |
246 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 247 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 248 | |
e4f078d8 | 249 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
250 | return buf_size; |
251 | } | |
252 | ||
253 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 254 | .open = simple_open, |
2624d5fa MB |
255 | .read = codec_reg_read_file, |
256 | .write = codec_reg_write_file, | |
6038f373 | 257 | .llseek = default_llseek, |
2624d5fa MB |
258 | }; |
259 | ||
81c7cfd1 | 260 | static void soc_init_component_debugfs(struct snd_soc_component *component) |
e73f3de5 | 261 | { |
81c7cfd1 LPC |
262 | if (component->debugfs_prefix) { |
263 | char *name; | |
e73f3de5 | 264 | |
81c7cfd1 LPC |
265 | name = kasprintf(GFP_KERNEL, "%s:%s", |
266 | component->debugfs_prefix, component->name); | |
267 | if (name) { | |
268 | component->debugfs_root = debugfs_create_dir(name, | |
269 | component->card->debugfs_card_root); | |
270 | kfree(name); | |
271 | } | |
272 | } else { | |
273 | component->debugfs_root = debugfs_create_dir(component->name, | |
274 | component->card->debugfs_card_root); | |
275 | } | |
e73f3de5 | 276 | |
81c7cfd1 LPC |
277 | if (!component->debugfs_root) { |
278 | dev_warn(component->dev, | |
279 | "ASoC: Failed to create component debugfs directory\n"); | |
280 | return; | |
281 | } | |
e73f3de5 | 282 | |
81c7cfd1 LPC |
283 | snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component), |
284 | component->debugfs_root); | |
e73f3de5 | 285 | |
81c7cfd1 LPC |
286 | if (component->init_debugfs) |
287 | component->init_debugfs(component); | |
e73f3de5 RK |
288 | } |
289 | ||
81c7cfd1 | 290 | static void soc_cleanup_component_debugfs(struct snd_soc_component *component) |
2624d5fa | 291 | { |
81c7cfd1 LPC |
292 | debugfs_remove_recursive(component->debugfs_root); |
293 | } | |
d6ce4cf3 | 294 | |
81c7cfd1 LPC |
295 | static void soc_init_codec_debugfs(struct snd_soc_component *component) |
296 | { | |
297 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
2624d5fa | 298 | |
81c7cfd1 | 299 | debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root, |
aaee8ef1 | 300 | &codec->cache_sync); |
aaee8ef1 | 301 | |
2624d5fa | 302 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
81c7cfd1 | 303 | codec->component.debugfs_root, |
2624d5fa MB |
304 | codec, &codec_reg_fops); |
305 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
306 | dev_warn(codec->dev, |
307 | "ASoC: Failed to create codec register debugfs file\n"); | |
731f1ab2 SG |
308 | } |
309 | ||
c3c5a19a MB |
310 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
311 | size_t count, loff_t *ppos) | |
312 | { | |
313 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 314 | ssize_t len, ret = 0; |
c3c5a19a MB |
315 | struct snd_soc_codec *codec; |
316 | ||
317 | if (!buf) | |
318 | return -ENOMEM; | |
319 | ||
2b194f9d MB |
320 | list_for_each_entry(codec, &codec_list, list) { |
321 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 322 | codec->component.name); |
2b194f9d MB |
323 | if (len >= 0) |
324 | ret += len; | |
325 | if (ret > PAGE_SIZE) { | |
326 | ret = PAGE_SIZE; | |
327 | break; | |
328 | } | |
329 | } | |
c3c5a19a MB |
330 | |
331 | if (ret >= 0) | |
332 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
333 | ||
334 | kfree(buf); | |
335 | ||
336 | return ret; | |
337 | } | |
338 | ||
339 | static const struct file_operations codec_list_fops = { | |
340 | .read = codec_list_read_file, | |
341 | .llseek = default_llseek,/* read accesses f_pos */ | |
342 | }; | |
343 | ||
f3208780 MB |
344 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
345 | size_t count, loff_t *ppos) | |
346 | { | |
347 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 348 | ssize_t len, ret = 0; |
1438c2f6 | 349 | struct snd_soc_component *component; |
f3208780 MB |
350 | struct snd_soc_dai *dai; |
351 | ||
352 | if (!buf) | |
353 | return -ENOMEM; | |
354 | ||
1438c2f6 LPC |
355 | list_for_each_entry(component, &component_list, list) { |
356 | list_for_each_entry(dai, &component->dai_list, list) { | |
357 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
358 | dai->name); | |
359 | if (len >= 0) | |
360 | ret += len; | |
361 | if (ret > PAGE_SIZE) { | |
362 | ret = PAGE_SIZE; | |
363 | break; | |
364 | } | |
2b194f9d MB |
365 | } |
366 | } | |
f3208780 | 367 | |
2b194f9d | 368 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
369 | |
370 | kfree(buf); | |
371 | ||
372 | return ret; | |
373 | } | |
374 | ||
375 | static const struct file_operations dai_list_fops = { | |
376 | .read = dai_list_read_file, | |
377 | .llseek = default_llseek,/* read accesses f_pos */ | |
378 | }; | |
379 | ||
19c7ac27 MB |
380 | static ssize_t platform_list_read_file(struct file *file, |
381 | char __user *user_buf, | |
382 | size_t count, loff_t *ppos) | |
383 | { | |
384 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 385 | ssize_t len, ret = 0; |
19c7ac27 MB |
386 | struct snd_soc_platform *platform; |
387 | ||
388 | if (!buf) | |
389 | return -ENOMEM; | |
390 | ||
2b194f9d MB |
391 | list_for_each_entry(platform, &platform_list, list) { |
392 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 393 | platform->component.name); |
2b194f9d MB |
394 | if (len >= 0) |
395 | ret += len; | |
396 | if (ret > PAGE_SIZE) { | |
397 | ret = PAGE_SIZE; | |
398 | break; | |
399 | } | |
400 | } | |
19c7ac27 | 401 | |
2b194f9d | 402 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
403 | |
404 | kfree(buf); | |
405 | ||
406 | return ret; | |
407 | } | |
408 | ||
409 | static const struct file_operations platform_list_fops = { | |
410 | .read = platform_list_read_file, | |
411 | .llseek = default_llseek,/* read accesses f_pos */ | |
412 | }; | |
413 | ||
a6052154 JN |
414 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
415 | { | |
416 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 417 | snd_soc_debugfs_root); |
3a45b867 | 418 | if (!card->debugfs_card_root) { |
a6052154 | 419 | dev_warn(card->dev, |
7c08be84 | 420 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
421 | return; |
422 | } | |
423 | ||
424 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
425 | card->debugfs_card_root, | |
426 | &card->pop_time); | |
427 | if (!card->debugfs_pop_time) | |
428 | dev_warn(card->dev, | |
f110bfc7 | 429 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
430 | } |
431 | ||
432 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
433 | { | |
434 | debugfs_remove_recursive(card->debugfs_card_root); | |
435 | } | |
436 | ||
2624d5fa MB |
437 | #else |
438 | ||
81c7cfd1 | 439 | #define soc_init_codec_debugfs NULL |
b95fccbc | 440 | |
81c7cfd1 LPC |
441 | static inline void soc_init_component_debugfs( |
442 | struct snd_soc_component *component) | |
731f1ab2 SG |
443 | { |
444 | } | |
445 | ||
81c7cfd1 LPC |
446 | static inline void soc_cleanup_component_debugfs( |
447 | struct snd_soc_component *component) | |
731f1ab2 SG |
448 | { |
449 | } | |
450 | ||
b95fccbc AL |
451 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
452 | { | |
453 | } | |
454 | ||
455 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
456 | { | |
457 | } | |
2624d5fa MB |
458 | #endif |
459 | ||
47c88fff LG |
460 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
461 | const char *dai_link, int stream) | |
462 | { | |
463 | int i; | |
464 | ||
465 | for (i = 0; i < card->num_links; i++) { | |
466 | if (card->rtd[i].dai_link->no_pcm && | |
467 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
468 | return card->rtd[i].pcm->streams[stream].substream; | |
469 | } | |
f110bfc7 | 470 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
471 | return NULL; |
472 | } | |
473 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
474 | ||
475 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
476 | const char *dai_link) | |
477 | { | |
478 | int i; | |
479 | ||
480 | for (i = 0; i < card->num_links; i++) { | |
481 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
482 | return &card->rtd[i]; | |
483 | } | |
f110bfc7 | 484 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
485 | return NULL; |
486 | } | |
487 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
488 | ||
9d58a077 RF |
489 | static void codec2codec_close_delayed_work(struct work_struct *work) |
490 | { | |
491 | /* Currently nothing to do for c2c links | |
492 | * Since c2c links are internal nodes in the DAPM graph and | |
493 | * don't interface with the outside world or application layer | |
494 | * we don't have to do any special handling on close. | |
495 | */ | |
496 | } | |
497 | ||
6f8ab4ac | 498 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 499 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 500 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 501 | { |
6f8ab4ac | 502 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 503 | struct snd_soc_codec *codec; |
88bd870f | 504 | int i, j; |
db2a4165 | 505 | |
c5599b87 LPC |
506 | /* If the card is not initialized yet there is nothing to do */ |
507 | if (!card->instantiated) | |
e3509ff0 DM |
508 | return 0; |
509 | ||
6ed25978 AG |
510 | /* Due to the resume being scheduled into a workqueue we could |
511 | * suspend before that's finished - wait for it to complete. | |
512 | */ | |
f0fba2ad LG |
513 | snd_power_lock(card->snd_card); |
514 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
515 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
516 | |
517 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 518 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 519 | |
a00f90f9 | 520 | /* mute any active DACs */ |
f0fba2ad | 521 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 522 | |
f0fba2ad | 523 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
524 | continue; |
525 | ||
88bd870f BC |
526 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
527 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
528 | struct snd_soc_dai_driver *drv = dai->driver; | |
529 | ||
530 | if (drv->ops->digital_mute && dai->playback_active) | |
531 | drv->ops->digital_mute(dai, 1); | |
532 | } | |
db2a4165 FM |
533 | } |
534 | ||
4ccab3e7 | 535 | /* suspend all pcms */ |
f0fba2ad LG |
536 | for (i = 0; i < card->num_rtd; i++) { |
537 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
538 | continue; |
539 | ||
f0fba2ad | 540 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 541 | } |
4ccab3e7 | 542 | |
87506549 | 543 | if (card->suspend_pre) |
70b2ac12 | 544 | card->suspend_pre(card); |
db2a4165 | 545 | |
f0fba2ad LG |
546 | for (i = 0; i < card->num_rtd; i++) { |
547 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
548 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 549 | |
f0fba2ad | 550 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
551 | continue; |
552 | ||
f0fba2ad LG |
553 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
554 | cpu_dai->driver->suspend(cpu_dai); | |
555 | if (platform->driver->suspend && !platform->suspended) { | |
556 | platform->driver->suspend(cpu_dai); | |
557 | platform->suspended = 1; | |
558 | } | |
db2a4165 FM |
559 | } |
560 | ||
561 | /* close any waiting streams and save state */ | |
f0fba2ad | 562 | for (i = 0; i < card->num_rtd; i++) { |
88bd870f | 563 | struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais; |
43829731 | 564 | flush_delayed_work(&card->rtd[i].delayed_work); |
88bd870f BC |
565 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
566 | codec_dais[j]->codec->dapm.suspend_bias_level = | |
567 | codec_dais[j]->codec->dapm.bias_level; | |
568 | } | |
f0fba2ad | 569 | } |
db2a4165 | 570 | |
f0fba2ad | 571 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 572 | |
f0fba2ad | 573 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
574 | continue; |
575 | ||
7bd3a6f3 MB |
576 | snd_soc_dapm_stream_event(&card->rtd[i], |
577 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 578 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 579 | |
7bd3a6f3 MB |
580 | snd_soc_dapm_stream_event(&card->rtd[i], |
581 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 582 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
583 | } |
584 | ||
e2d32ff6 MB |
585 | /* Recheck all analogue paths too */ |
586 | dapm_mark_io_dirty(&card->dapm); | |
587 | snd_soc_dapm_sync(&card->dapm); | |
588 | ||
f0fba2ad | 589 | /* suspend all CODECs */ |
2eea392d | 590 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
591 | /* If there are paths active then the CODEC will be held with |
592 | * bias _ON and should not be suspended. */ | |
a8093297 | 593 | if (!codec->suspended) { |
ce6120cc | 594 | switch (codec->dapm.bias_level) { |
f0fba2ad | 595 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
596 | /* |
597 | * If the CODEC is capable of idle | |
598 | * bias off then being in STANDBY | |
599 | * means it's doing something, | |
600 | * otherwise fall through. | |
601 | */ | |
602 | if (codec->dapm.idle_bias_off) { | |
603 | dev_dbg(codec->dev, | |
10e8aa9a | 604 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
605 | break; |
606 | } | |
a8093297 | 607 | |
f0fba2ad | 608 | case SND_SOC_BIAS_OFF: |
a8093297 LPC |
609 | if (codec->driver->suspend) |
610 | codec->driver->suspend(codec); | |
f0fba2ad | 611 | codec->suspended = 1; |
7be4ba24 | 612 | codec->cache_sync = 1; |
e2c330b9 LPC |
613 | if (codec->component.regmap) |
614 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
615 | /* deactivate pins to sleep state */ |
616 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
617 | break; |
618 | default: | |
10e8aa9a MM |
619 | dev_dbg(codec->dev, |
620 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
621 | break; |
622 | } | |
1547aba9 MB |
623 | } |
624 | } | |
db2a4165 | 625 | |
f0fba2ad LG |
626 | for (i = 0; i < card->num_rtd; i++) { |
627 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 628 | |
f0fba2ad | 629 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
630 | continue; |
631 | ||
f0fba2ad LG |
632 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
633 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
634 | |
635 | /* deactivate pins to sleep state */ | |
636 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
637 | } |
638 | ||
87506549 | 639 | if (card->suspend_post) |
70b2ac12 | 640 | card->suspend_post(card); |
db2a4165 FM |
641 | |
642 | return 0; | |
643 | } | |
6f8ab4ac | 644 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 645 | |
6ed25978 AG |
646 | /* deferred resume work, so resume can complete before we finished |
647 | * setting our codec back up, which can be very slow on I2C | |
648 | */ | |
649 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 650 | { |
f0fba2ad LG |
651 | struct snd_soc_card *card = |
652 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 653 | struct snd_soc_codec *codec; |
88bd870f | 654 | int i, j; |
db2a4165 | 655 | |
6ed25978 AG |
656 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
657 | * so userspace apps are blocked from touching us | |
658 | */ | |
659 | ||
f110bfc7 | 660 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 661 | |
9949788b | 662 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 663 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 664 | |
87506549 | 665 | if (card->resume_pre) |
70b2ac12 | 666 | card->resume_pre(card); |
db2a4165 | 667 | |
f0fba2ad LG |
668 | /* resume AC97 DAIs */ |
669 | for (i = 0; i < card->num_rtd; i++) { | |
670 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 671 | |
f0fba2ad | 672 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
673 | continue; |
674 | ||
f0fba2ad LG |
675 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
676 | cpu_dai->driver->resume(cpu_dai); | |
677 | } | |
678 | ||
2eea392d | 679 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
680 | /* If the CODEC was idle over suspend then it will have been |
681 | * left with bias OFF or STANDBY and suspended so we must now | |
682 | * resume. Otherwise the suspend was suppressed. | |
683 | */ | |
a8093297 | 684 | if (codec->suspended) { |
ce6120cc | 685 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
686 | case SND_SOC_BIAS_STANDBY: |
687 | case SND_SOC_BIAS_OFF: | |
a8093297 LPC |
688 | if (codec->driver->resume) |
689 | codec->driver->resume(codec); | |
f0fba2ad LG |
690 | codec->suspended = 0; |
691 | break; | |
692 | default: | |
10e8aa9a MM |
693 | dev_dbg(codec->dev, |
694 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
695 | break; |
696 | } | |
1547aba9 MB |
697 | } |
698 | } | |
db2a4165 | 699 | |
f0fba2ad | 700 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 701 | |
f0fba2ad | 702 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
703 | continue; |
704 | ||
7bd3a6f3 | 705 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 706 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 707 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 708 | |
7bd3a6f3 | 709 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 710 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 711 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
712 | } |
713 | ||
3ff3f64b | 714 | /* unmute any active DACs */ |
f0fba2ad | 715 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 716 | |
f0fba2ad | 717 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
718 | continue; |
719 | ||
88bd870f BC |
720 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
721 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
722 | struct snd_soc_dai_driver *drv = dai->driver; | |
723 | ||
724 | if (drv->ops->digital_mute && dai->playback_active) | |
725 | drv->ops->digital_mute(dai, 0); | |
726 | } | |
db2a4165 FM |
727 | } |
728 | ||
f0fba2ad LG |
729 | for (i = 0; i < card->num_rtd; i++) { |
730 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
731 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 732 | |
f0fba2ad | 733 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
734 | continue; |
735 | ||
f0fba2ad LG |
736 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
737 | cpu_dai->driver->resume(cpu_dai); | |
738 | if (platform->driver->resume && platform->suspended) { | |
739 | platform->driver->resume(cpu_dai); | |
740 | platform->suspended = 0; | |
741 | } | |
db2a4165 FM |
742 | } |
743 | ||
87506549 | 744 | if (card->resume_post) |
70b2ac12 | 745 | card->resume_post(card); |
db2a4165 | 746 | |
f110bfc7 | 747 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
748 | |
749 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 750 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
751 | |
752 | /* Recheck all analogue paths too */ | |
753 | dapm_mark_io_dirty(&card->dapm); | |
754 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
755 | } |
756 | ||
757 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 758 | int snd_soc_resume(struct device *dev) |
6ed25978 | 759 | { |
6f8ab4ac | 760 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 761 | int i, ac97_control = 0; |
b9dd94a8 | 762 | |
c5599b87 LPC |
763 | /* If the card is not initialized yet there is nothing to do */ |
764 | if (!card->instantiated) | |
5ff1ddf2 EM |
765 | return 0; |
766 | ||
988e8cc4 NC |
767 | /* activate pins from sleep state */ |
768 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
769 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
770 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
771 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
772 | int j; | |
773 | ||
988e8cc4 NC |
774 | if (cpu_dai->active) |
775 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
88bd870f BC |
776 | |
777 | for (j = 0; j < rtd->num_codecs; j++) { | |
778 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
779 | if (codec_dai->active) | |
780 | pinctrl_pm_select_default_state(codec_dai->dev); | |
781 | } | |
988e8cc4 NC |
782 | } |
783 | ||
64ab9baa MB |
784 | /* AC97 devices might have other drivers hanging off them so |
785 | * need to resume immediately. Other drivers don't have that | |
786 | * problem and may take a substantial amount of time to resume | |
787 | * due to I/O costs and anti-pop so handle them out of line. | |
788 | */ | |
f0fba2ad LG |
789 | for (i = 0; i < card->num_rtd; i++) { |
790 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
791 | ac97_control |= cpu_dai->driver->ac97_control; |
792 | } | |
793 | if (ac97_control) { | |
f110bfc7 | 794 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
795 | soc_resume_deferred(&card->deferred_resume_work); |
796 | } else { | |
f110bfc7 | 797 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 798 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 799 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 800 | } |
6ed25978 | 801 | |
db2a4165 FM |
802 | return 0; |
803 | } | |
6f8ab4ac | 804 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 805 | #else |
6f8ab4ac MB |
806 | #define snd_soc_suspend NULL |
807 | #define snd_soc_resume NULL | |
db2a4165 FM |
808 | #endif |
809 | ||
85e7652d | 810 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
811 | }; |
812 | ||
65d9361f LPC |
813 | static struct snd_soc_component *soc_find_component( |
814 | const struct device_node *of_node, const char *name) | |
12023a9a | 815 | { |
65d9361f | 816 | struct snd_soc_component *component; |
12023a9a | 817 | |
65d9361f LPC |
818 | list_for_each_entry(component, &component_list, list) { |
819 | if (of_node) { | |
820 | if (component->dev->of_node == of_node) | |
821 | return component; | |
822 | } else if (strcmp(component->name, name) == 0) { | |
823 | return component; | |
12023a9a | 824 | } |
12023a9a MLC |
825 | } |
826 | ||
827 | return NULL; | |
828 | } | |
829 | ||
14621c7e LPC |
830 | static struct snd_soc_dai *snd_soc_find_dai( |
831 | const struct snd_soc_dai_link_component *dlc) | |
12023a9a | 832 | { |
14621c7e LPC |
833 | struct snd_soc_component *component; |
834 | struct snd_soc_dai *dai; | |
12023a9a | 835 | |
14621c7e LPC |
836 | /* Find CPU DAI from registered DAIs*/ |
837 | list_for_each_entry(component, &component_list, list) { | |
838 | if (dlc->of_node && component->dev->of_node != dlc->of_node) | |
839 | continue; | |
840 | if (dlc->name && strcmp(dev_name(component->dev), dlc->name)) | |
841 | continue; | |
842 | list_for_each_entry(dai, &component->dai_list, list) { | |
843 | if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)) | |
12023a9a | 844 | continue; |
12023a9a | 845 | |
14621c7e | 846 | return dai; |
12023a9a MLC |
847 | } |
848 | } | |
849 | ||
850 | return NULL; | |
851 | } | |
852 | ||
f0fba2ad | 853 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 854 | { |
f0fba2ad LG |
855 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
856 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
88bd870f | 857 | struct snd_soc_dai_link_component *codecs = dai_link->codecs; |
14621c7e | 858 | struct snd_soc_dai_link_component cpu_dai_component; |
88bd870f | 859 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
435c5e25 | 860 | struct snd_soc_platform *platform; |
848dd8be | 861 | const char *platform_name; |
88bd870f | 862 | int i; |
435c5e25 | 863 | |
f110bfc7 | 864 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 865 | |
14621c7e LPC |
866 | cpu_dai_component.name = dai_link->cpu_name; |
867 | cpu_dai_component.of_node = dai_link->cpu_of_node; | |
868 | cpu_dai_component.dai_name = dai_link->cpu_dai_name; | |
869 | rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component); | |
b19e6e7b | 870 | if (!rtd->cpu_dai) { |
f110bfc7 | 871 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
872 | dai_link->cpu_dai_name); |
873 | return -EPROBE_DEFER; | |
f0fba2ad LG |
874 | } |
875 | ||
88bd870f | 876 | rtd->num_codecs = dai_link->num_codecs; |
848dd8be | 877 | |
88bd870f BC |
878 | /* Find CODEC from registered CODECs */ |
879 | for (i = 0; i < rtd->num_codecs; i++) { | |
14621c7e | 880 | codec_dais[i] = snd_soc_find_dai(&codecs[i]); |
88bd870f BC |
881 | if (!codec_dais[i]) { |
882 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
883 | codecs[i].dai_name); | |
884 | return -EPROBE_DEFER; | |
885 | } | |
12023a9a MLC |
886 | } |
887 | ||
88bd870f BC |
888 | /* Single codec links expect codec and codec_dai in runtime data */ |
889 | rtd->codec_dai = codec_dais[0]; | |
890 | rtd->codec = rtd->codec_dai->codec; | |
891 | ||
848dd8be MB |
892 | /* if there's no platform we match on the empty platform */ |
893 | platform_name = dai_link->platform_name; | |
5a504963 | 894 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
895 | platform_name = "snd-soc-dummy"; |
896 | ||
b19e6e7b | 897 | /* find one from the set of registered platforms */ |
f0fba2ad | 898 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
899 | if (dai_link->platform_of_node) { |
900 | if (platform->dev->of_node != | |
901 | dai_link->platform_of_node) | |
902 | continue; | |
903 | } else { | |
f4333203 | 904 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
905 | continue; |
906 | } | |
2610ab77 SW |
907 | |
908 | rtd->platform = platform; | |
02a06d30 | 909 | } |
b19e6e7b | 910 | if (!rtd->platform) { |
f110bfc7 | 911 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 912 | dai_link->platform_name); |
b19e6e7b | 913 | return -EPROBE_DEFER; |
f0fba2ad | 914 | } |
b19e6e7b MB |
915 | |
916 | card->num_rtd++; | |
917 | ||
918 | return 0; | |
f0fba2ad LG |
919 | } |
920 | ||
f1d45cc3 | 921 | static void soc_remove_component(struct snd_soc_component *component) |
d12cd198 | 922 | { |
70090bbb LPC |
923 | if (!component->probed) |
924 | return; | |
d12cd198 | 925 | |
f1d45cc3 LPC |
926 | /* This is a HACK and will be removed soon */ |
927 | if (component->codec) | |
928 | list_del(&component->codec->card_list); | |
589c3563 | 929 | |
f1d45cc3 LPC |
930 | if (component->remove) |
931 | component->remove(component); | |
589c3563 | 932 | |
f1d45cc3 | 933 | snd_soc_dapm_free(snd_soc_component_get_dapm(component)); |
589c3563 | 934 | |
f1d45cc3 LPC |
935 | soc_cleanup_component_debugfs(component); |
936 | component->probed = 0; | |
937 | module_put(component->dev->driver->owner); | |
589c3563 JN |
938 | } |
939 | ||
e60cd14f | 940 | static void soc_remove_dai(struct snd_soc_dai *dai, int order) |
f0fba2ad | 941 | { |
f0fba2ad LG |
942 | int err; |
943 | ||
e60cd14f LPC |
944 | if (dai && dai->probed && |
945 | dai->driver->remove_order == order) { | |
946 | if (dai->driver->remove) { | |
947 | err = dai->driver->remove(dai); | |
f0fba2ad | 948 | if (err < 0) |
e60cd14f | 949 | dev_err(dai->dev, |
f110bfc7 | 950 | "ASoC: failed to remove %s: %d\n", |
e60cd14f | 951 | dai->name, err); |
6b05eda6 | 952 | } |
e60cd14f | 953 | dai->probed = 0; |
f0fba2ad | 954 | } |
b0aa88af MLC |
955 | } |
956 | ||
957 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
958 | { | |
959 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
e60cd14f | 960 | int i; |
b0aa88af MLC |
961 | |
962 | /* unregister the rtd device */ | |
963 | if (rtd->dev_registered) { | |
964 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
965 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
966 | device_unregister(rtd->dev); | |
967 | rtd->dev_registered = 0; | |
968 | } | |
969 | ||
970 | /* remove the CODEC DAI */ | |
88bd870f | 971 | for (i = 0; i < rtd->num_codecs; i++) |
e60cd14f | 972 | soc_remove_dai(rtd->codec_dais[i], order); |
6b05eda6 | 973 | |
e60cd14f | 974 | soc_remove_dai(rtd->cpu_dai, order); |
f0fba2ad | 975 | } |
db2a4165 | 976 | |
62ae68fa SW |
977 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
978 | int order) | |
979 | { | |
980 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
981 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa | 982 | struct snd_soc_platform *platform = rtd->platform; |
61aca564 | 983 | struct snd_soc_component *component; |
88bd870f | 984 | int i; |
62ae68fa SW |
985 | |
986 | /* remove the platform */ | |
70090bbb | 987 | if (platform && platform->component.driver->remove_order == order) |
f1d45cc3 | 988 | soc_remove_component(&platform->component); |
62ae68fa SW |
989 | |
990 | /* remove the CODEC-side CODEC */ | |
88bd870f | 991 | for (i = 0; i < rtd->num_codecs; i++) { |
61aca564 | 992 | component = rtd->codec_dais[i]->component; |
70090bbb | 993 | if (component->driver->remove_order == order) |
61aca564 | 994 | soc_remove_component(component); |
62ae68fa SW |
995 | } |
996 | ||
997 | /* remove any CPU-side CODEC */ | |
998 | if (cpu_dai) { | |
70090bbb | 999 | if (cpu_dai->component->driver->remove_order == order) |
61aca564 | 1000 | soc_remove_component(cpu_dai->component); |
62ae68fa SW |
1001 | } |
1002 | } | |
1003 | ||
0671fd8e KM |
1004 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1005 | { | |
0168bf0d | 1006 | int dai, order; |
0671fd8e | 1007 | |
0168bf0d LG |
1008 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1009 | order++) { | |
1010 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1011 | soc_remove_link_dais(card, dai, order); |
1012 | } | |
1013 | ||
1014 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1015 | order++) { | |
1016 | for (dai = 0; dai < card->num_rtd; dai++) | |
1017 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1018 | } |
62ae68fa | 1019 | |
0671fd8e KM |
1020 | card->num_rtd = 0; |
1021 | } | |
1022 | ||
ead9b919 | 1023 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1024 | struct snd_soc_component *component) |
ead9b919 JN |
1025 | { |
1026 | int i; | |
1027 | ||
ff819b83 | 1028 | if (card->codec_conf == NULL) |
ead9b919 JN |
1029 | return; |
1030 | ||
ff819b83 DP |
1031 | for (i = 0; i < card->num_configs; i++) { |
1032 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1033 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1034 | continue; |
94f99c87 | 1035 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1036 | continue; |
94f99c87 | 1037 | component->name_prefix = map->name_prefix; |
3ca041ed | 1038 | break; |
ead9b919 JN |
1039 | } |
1040 | } | |
1041 | ||
f1d45cc3 LPC |
1042 | static int soc_probe_component(struct snd_soc_card *card, |
1043 | struct snd_soc_component *component) | |
589c3563 | 1044 | { |
f1d45cc3 | 1045 | struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
888df395 | 1046 | struct snd_soc_dai *dai; |
f1d45cc3 | 1047 | int ret; |
589c3563 | 1048 | |
70090bbb LPC |
1049 | if (component->probed) |
1050 | return 0; | |
589c3563 | 1051 | |
f1d45cc3 LPC |
1052 | component->card = card; |
1053 | dapm->card = card; | |
1054 | soc_set_name_prefix(card, component); | |
589c3563 | 1055 | |
f1d45cc3 | 1056 | if (!try_module_get(component->dev->driver->owner)) |
70d29331 JN |
1057 | return -ENODEV; |
1058 | ||
f1d45cc3 | 1059 | soc_init_component_debugfs(component); |
d5d1e0be | 1060 | |
f1d45cc3 LPC |
1061 | if (component->dapm_widgets) { |
1062 | ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets, | |
1063 | component->num_dapm_widgets); | |
b318ad50 NP |
1064 | |
1065 | if (ret != 0) { | |
f1d45cc3 | 1066 | dev_err(component->dev, |
b318ad50 NP |
1067 | "Failed to create new controls %d\n", ret); |
1068 | goto err_probe; | |
1069 | } | |
1070 | } | |
77530150 | 1071 | |
0634814f LPC |
1072 | list_for_each_entry(dai, &component->dai_list, list) { |
1073 | ret = snd_soc_dapm_new_dai_widgets(dapm, dai); | |
261edc70 | 1074 | if (ret != 0) { |
0634814f | 1075 | dev_err(component->dev, |
261edc70 NP |
1076 | "Failed to create DAI widgets %d\n", ret); |
1077 | goto err_probe; | |
1078 | } | |
1079 | } | |
888df395 | 1080 | |
f1d45cc3 LPC |
1081 | if (component->probe) { |
1082 | ret = component->probe(component); | |
589c3563 | 1083 | if (ret < 0) { |
f1d45cc3 LPC |
1084 | dev_err(component->dev, |
1085 | "ASoC: failed to probe component %d\n", ret); | |
70d29331 | 1086 | goto err_probe; |
589c3563 | 1087 | } |
cb2cf612 | 1088 | |
f1d45cc3 LPC |
1089 | WARN(dapm->idle_bias_off && |
1090 | dapm->bias_level != SND_SOC_BIAS_OFF, | |
1091 | "codec %s can not start from non-off bias with idle_bias_off==1\n", | |
1092 | component->name); | |
be09ad90 LG |
1093 | } |
1094 | ||
f1d45cc3 LPC |
1095 | if (component->controls) |
1096 | snd_soc_add_component_controls(component, component->controls, | |
1097 | component->num_controls); | |
1098 | if (component->dapm_routes) | |
1099 | snd_soc_dapm_add_routes(dapm, component->dapm_routes, | |
1100 | component->num_dapm_routes); | |
3fec6b6d | 1101 | |
f1d45cc3 LPC |
1102 | component->probed = 1; |
1103 | list_add(&dapm->list, &card->dapm_list); | |
cb2cf612 | 1104 | |
f1d45cc3 LPC |
1105 | /* This is a HACK and will be removed soon */ |
1106 | if (component->codec) | |
1107 | list_add(&component->codec->card_list, &card->codec_dev_list); | |
956245e9 LG |
1108 | |
1109 | return 0; | |
1110 | ||
1111 | err_probe: | |
f1d45cc3 LPC |
1112 | soc_cleanup_component_debugfs(component); |
1113 | module_put(component->dev->driver->owner); | |
956245e9 LG |
1114 | |
1115 | return ret; | |
1116 | } | |
1117 | ||
36ae1a96 MB |
1118 | static void rtd_release(struct device *dev) |
1119 | { | |
1120 | kfree(dev); | |
1121 | } | |
f0fba2ad | 1122 | |
5f3484ac LPC |
1123 | static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, |
1124 | const char *name) | |
503ae5e0 | 1125 | { |
589c3563 JN |
1126 | int ret = 0; |
1127 | ||
589c3563 | 1128 | /* register the rtd device */ |
36ae1a96 MB |
1129 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1130 | if (!rtd->dev) | |
1131 | return -ENOMEM; | |
1132 | device_initialize(rtd->dev); | |
5f3484ac | 1133 | rtd->dev->parent = rtd->card->dev; |
36ae1a96 | 1134 | rtd->dev->release = rtd_release; |
f294afed | 1135 | dev_set_name(rtd->dev, "%s", name); |
36ae1a96 | 1136 | dev_set_drvdata(rtd->dev, rtd); |
b8c0dab9 | 1137 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1138 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1139 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1140 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1141 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1142 | ret = device_add(rtd->dev); |
589c3563 | 1143 | if (ret < 0) { |
865df9cb CL |
1144 | /* calling put_device() here to free the rtd->dev */ |
1145 | put_device(rtd->dev); | |
5f3484ac | 1146 | dev_err(rtd->card->dev, |
f110bfc7 | 1147 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1148 | return ret; |
1149 | } | |
1150 | rtd->dev_registered = 1; | |
1151 | ||
93c3ce76 LPC |
1152 | if (rtd->codec) { |
1153 | /* add DAPM sysfs entries for this codec */ | |
1154 | ret = snd_soc_dapm_sys_add(rtd->dev); | |
1155 | if (ret < 0) | |
1156 | dev_err(rtd->dev, | |
1157 | "ASoC: failed to add codec dapm sysfs entries: %d\n", | |
1158 | ret); | |
589c3563 | 1159 | |
93c3ce76 LPC |
1160 | /* add codec sysfs entries */ |
1161 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); | |
1162 | if (ret < 0) | |
1163 | dev_err(rtd->dev, | |
1164 | "ASoC: failed to add codec sysfs files: %d\n", | |
1165 | ret); | |
1166 | } | |
589c3563 JN |
1167 | |
1168 | return 0; | |
1169 | } | |
1170 | ||
62ae68fa SW |
1171 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1172 | int order) | |
1173 | { | |
1174 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
62ae68fa | 1175 | struct snd_soc_platform *platform = rtd->platform; |
f1d45cc3 | 1176 | struct snd_soc_component *component; |
88bd870f | 1177 | int i, ret; |
62ae68fa SW |
1178 | |
1179 | /* probe the CPU-side component, if it is a CODEC */ | |
61aca564 | 1180 | component = rtd->cpu_dai->component; |
70090bbb | 1181 | if (component->driver->probe_order == order) { |
61aca564 | 1182 | ret = soc_probe_component(card, component); |
62ae68fa SW |
1183 | if (ret < 0) |
1184 | return ret; | |
1185 | } | |
1186 | ||
88bd870f BC |
1187 | /* probe the CODEC-side components */ |
1188 | for (i = 0; i < rtd->num_codecs; i++) { | |
61aca564 | 1189 | component = rtd->codec_dais[i]->component; |
70090bbb | 1190 | if (component->driver->probe_order == order) { |
f1d45cc3 | 1191 | ret = soc_probe_component(card, component); |
88bd870f BC |
1192 | if (ret < 0) |
1193 | return ret; | |
1194 | } | |
62ae68fa SW |
1195 | } |
1196 | ||
1197 | /* probe the platform */ | |
70090bbb | 1198 | if (platform->component.driver->probe_order == order) { |
f1d45cc3 | 1199 | ret = soc_probe_component(card, &platform->component); |
62ae68fa SW |
1200 | if (ret < 0) |
1201 | return ret; | |
1202 | } | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
b0aa88af MLC |
1207 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1208 | struct snd_soc_dai *codec_dai, | |
1209 | int order) | |
1210 | { | |
1211 | int ret; | |
1212 | ||
1213 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1214 | if (codec_dai->driver->probe) { | |
1215 | ret = codec_dai->driver->probe(codec_dai); | |
1216 | if (ret < 0) { | |
1217 | dev_err(codec_dai->dev, | |
1218 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1219 | codec_dai->name, ret); | |
1220 | return ret; | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | /* mark codec_dai as probed and add to card dai list */ | |
1225 | codec_dai->probed = 1; | |
b0aa88af MLC |
1226 | } |
1227 | ||
1228 | return 0; | |
1229 | } | |
1230 | ||
2436a723 MLC |
1231 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1232 | struct snd_soc_dai_link *dai_link, | |
3f901a02 | 1233 | struct snd_soc_pcm_runtime *rtd) |
2436a723 | 1234 | { |
3f901a02 BC |
1235 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1236 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
2436a723 MLC |
1237 | struct snd_soc_dapm_widget *play_w, *capture_w; |
1238 | int ret; | |
1239 | ||
88bd870f BC |
1240 | if (rtd->num_codecs > 1) |
1241 | dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n"); | |
1242 | ||
2436a723 MLC |
1243 | /* link the DAI widgets */ |
1244 | play_w = codec_dai->playback_widget; | |
1245 | capture_w = cpu_dai->capture_widget; | |
1246 | if (play_w && capture_w) { | |
1247 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1248 | capture_w, play_w); | |
1249 | if (ret != 0) { | |
1250 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1251 | play_w->name, capture_w->name, ret); | |
1252 | return ret; | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | play_w = cpu_dai->playback_widget; | |
1257 | capture_w = codec_dai->capture_widget; | |
1258 | if (play_w && capture_w) { | |
1259 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1260 | capture_w, play_w); | |
1261 | if (ret != 0) { | |
1262 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1263 | play_w->name, capture_w->name, ret); | |
1264 | return ret; | |
1265 | } | |
1266 | } | |
1267 | ||
1268 | return 0; | |
1269 | } | |
1270 | ||
62ae68fa | 1271 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1272 | { |
1273 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1274 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad | 1275 | struct snd_soc_platform *platform = rtd->platform; |
c74184ed | 1276 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
88bd870f | 1277 | int i, ret; |
f0fba2ad | 1278 | |
f110bfc7 | 1279 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1280 | card->name, num, order); |
f0fba2ad LG |
1281 | |
1282 | /* config components */ | |
f0fba2ad | 1283 | cpu_dai->platform = platform; |
f0fba2ad | 1284 | cpu_dai->card = card; |
88bd870f BC |
1285 | for (i = 0; i < rtd->num_codecs; i++) |
1286 | rtd->codec_dais[i]->card = card; | |
f0fba2ad LG |
1287 | |
1288 | /* set default power off timeout */ | |
1289 | rtd->pmdown_time = pmdown_time; | |
1290 | ||
1291 | /* probe the cpu_dai */ | |
0168bf0d LG |
1292 | if (!cpu_dai->probed && |
1293 | cpu_dai->driver->probe_order == order) { | |
f0fba2ad LG |
1294 | if (cpu_dai->driver->probe) { |
1295 | ret = cpu_dai->driver->probe(cpu_dai); | |
1296 | if (ret < 0) { | |
f110bfc7 LG |
1297 | dev_err(cpu_dai->dev, |
1298 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1299 | cpu_dai->name, ret); | |
f0fba2ad LG |
1300 | return ret; |
1301 | } | |
1302 | } | |
1303 | cpu_dai->probed = 1; | |
db2a4165 FM |
1304 | } |
1305 | ||
f0fba2ad | 1306 | /* probe the CODEC DAI */ |
88bd870f BC |
1307 | for (i = 0; i < rtd->num_codecs; i++) { |
1308 | ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order); | |
1309 | if (ret) | |
1310 | return ret; | |
1311 | } | |
fe3e78e0 | 1312 | |
0168bf0d LG |
1313 | /* complete DAI probe during last probe */ |
1314 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1315 | return 0; | |
1316 | ||
5f3484ac LPC |
1317 | /* do machine specific initialization */ |
1318 | if (dai_link->init) { | |
1319 | ret = dai_link->init(rtd); | |
1320 | if (ret < 0) { | |
1321 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1322 | dai_link->name, ret); | |
1323 | return ret; | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | ret = soc_post_component_init(rtd, dai_link->name); | |
589c3563 | 1328 | if (ret) |
f0fba2ad | 1329 | return ret; |
fe3e78e0 | 1330 | |
5f3484ac LPC |
1331 | #ifdef CONFIG_DEBUG_FS |
1332 | /* add DPCM sysfs entries */ | |
1333 | if (dai_link->dynamic) { | |
1334 | ret = soc_dpcm_debugfs_add(rtd); | |
1335 | if (ret < 0) { | |
1336 | dev_err(rtd->dev, | |
1337 | "ASoC: failed to add dpcm sysfs entries: %d\n", | |
1338 | ret); | |
1339 | return ret; | |
1340 | } | |
1341 | } | |
1342 | #endif | |
1343 | ||
36ae1a96 | 1344 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1345 | if (ret < 0) |
f110bfc7 LG |
1346 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1347 | ret); | |
f0fba2ad | 1348 | |
1245b700 NK |
1349 | if (cpu_dai->driver->compress_dai) { |
1350 | /*create compress_device"*/ | |
1351 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1352 | if (ret < 0) { |
f110bfc7 | 1353 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1354 | dai_link->stream_name); |
c74184ed MB |
1355 | return ret; |
1356 | } | |
1357 | } else { | |
1245b700 NK |
1358 | |
1359 | if (!dai_link->params) { | |
1360 | /* create the pcm */ | |
1361 | ret = soc_new_pcm(rtd, num); | |
1362 | if (ret < 0) { | |
f110bfc7 | 1363 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1364 | dai_link->stream_name, ret); |
c74184ed MB |
1365 | return ret; |
1366 | } | |
1245b700 | 1367 | } else { |
9d58a077 RF |
1368 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1369 | codec2codec_close_delayed_work); | |
1370 | ||
1245b700 | 1371 | /* link the DAI widgets */ |
3f901a02 | 1372 | ret = soc_link_dai_widgets(card, dai_link, rtd); |
2436a723 MLC |
1373 | if (ret) |
1374 | return ret; | |
c74184ed | 1375 | } |
f0fba2ad LG |
1376 | } |
1377 | ||
f0fba2ad LG |
1378 | return 0; |
1379 | } | |
1380 | ||
44c69bb1 | 1381 | static int soc_bind_aux_dev(struct snd_soc_card *card, int num) |
3ca041ed | 1382 | { |
44c69bb1 | 1383 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
3ca041ed | 1384 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
65d9361f | 1385 | const char *name = aux_dev->codec_name; |
3ca041ed | 1386 | |
65d9361f LPC |
1387 | rtd->component = soc_find_component(aux_dev->codec_of_node, name); |
1388 | if (!rtd->component) { | |
3ca041ed | 1389 | if (aux_dev->codec_of_node) |
65d9361f | 1390 | name = of_node_full_name(aux_dev->codec_of_node); |
3ca041ed | 1391 | |
65d9361f | 1392 | dev_err(card->dev, "ASoC: %s not registered\n", name); |
3ca041ed SR |
1393 | return -EPROBE_DEFER; |
1394 | } | |
fb099cb7 | 1395 | |
65d9361f LPC |
1396 | /* |
1397 | * Some places still reference rtd->codec, so we have to keep that | |
1398 | * initialized if the component is a CODEC. Once all those references | |
1399 | * have been removed, this code can be removed as well. | |
1400 | */ | |
1401 | rtd->codec = rtd->component->codec; | |
1402 | ||
44c69bb1 | 1403 | return 0; |
b19e6e7b MB |
1404 | } |
1405 | ||
2eea392d JN |
1406 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1407 | { | |
44c69bb1 | 1408 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
2eea392d | 1409 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
44c69bb1 | 1410 | int ret; |
3ca041ed | 1411 | |
65d9361f | 1412 | ret = soc_probe_component(card, rtd->component); |
2eea392d | 1413 | if (ret < 0) |
589c3563 | 1414 | return ret; |
2eea392d | 1415 | |
5f3484ac LPC |
1416 | /* do machine specific initialization */ |
1417 | if (aux_dev->init) { | |
57bf7726 | 1418 | ret = aux_dev->init(rtd->component); |
5f3484ac LPC |
1419 | if (ret < 0) { |
1420 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1421 | aux_dev->name, ret); | |
1422 | return ret; | |
1423 | } | |
1424 | } | |
2eea392d | 1425 | |
5f3484ac | 1426 | return soc_post_component_init(rtd, aux_dev->name); |
2eea392d JN |
1427 | } |
1428 | ||
1429 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1430 | { | |
1431 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
65d9361f | 1432 | struct snd_soc_component *component = rtd->component; |
2eea392d JN |
1433 | |
1434 | /* unregister the rtd device */ | |
1435 | if (rtd->dev_registered) { | |
36ae1a96 | 1436 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1437 | device_unregister(rtd->dev); |
2eea392d JN |
1438 | rtd->dev_registered = 0; |
1439 | } | |
1440 | ||
65d9361f LPC |
1441 | if (component && component->probed) |
1442 | soc_remove_component(component); | |
2eea392d JN |
1443 | } |
1444 | ||
f90fb3f7 | 1445 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1446 | { |
1447 | int ret; | |
1448 | ||
1449 | if (codec->cache_init) | |
1450 | return 0; | |
1451 | ||
fdf0f54d DP |
1452 | ret = snd_soc_cache_init(codec); |
1453 | if (ret < 0) { | |
10e8aa9a MM |
1454 | dev_err(codec->dev, |
1455 | "ASoC: Failed to set cache compression type: %d\n", | |
1456 | ret); | |
fdf0f54d DP |
1457 | return ret; |
1458 | } | |
1459 | codec->cache_init = 1; | |
1460 | return 0; | |
1461 | } | |
1462 | ||
b19e6e7b | 1463 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1464 | { |
fdf0f54d | 1465 | struct snd_soc_codec *codec; |
75d9ac46 | 1466 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1467 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1468 | |
01b9d99a | 1469 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1470 | |
f0fba2ad | 1471 | /* bind DAIs */ |
b19e6e7b MB |
1472 | for (i = 0; i < card->num_links; i++) { |
1473 | ret = soc_bind_dai_link(card, i); | |
1474 | if (ret != 0) | |
1475 | goto base_error; | |
1476 | } | |
fe3e78e0 | 1477 | |
44c69bb1 | 1478 | /* bind aux_devs too */ |
b19e6e7b | 1479 | for (i = 0; i < card->num_aux_devs; i++) { |
44c69bb1 | 1480 | ret = soc_bind_aux_dev(card, i); |
b19e6e7b MB |
1481 | if (ret != 0) |
1482 | goto base_error; | |
f0fba2ad | 1483 | } |
435c5e25 | 1484 | |
fdf0f54d DP |
1485 | /* initialize the register cache for each available codec */ |
1486 | list_for_each_entry(codec, &codec_list, list) { | |
1487 | if (codec->cache_init) | |
1488 | continue; | |
f90fb3f7 | 1489 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1490 | if (ret < 0) |
1491 | goto base_error; | |
fdf0f54d DP |
1492 | } |
1493 | ||
f0fba2ad | 1494 | /* card bind complete so register a sound card */ |
102b5a8d | 1495 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1496 | card->owner, 0, &card->snd_card); |
1497 | if (ret < 0) { | |
10e8aa9a MM |
1498 | dev_err(card->dev, |
1499 | "ASoC: can't create sound card for card %s: %d\n", | |
1500 | card->name, ret); | |
b19e6e7b | 1501 | goto base_error; |
f0fba2ad | 1502 | } |
f0fba2ad | 1503 | |
e37a4970 MB |
1504 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1505 | card->dapm.dev = card->dev; | |
1506 | card->dapm.card = card; | |
1507 | list_add(&card->dapm.list, &card->dapm_list); | |
1508 | ||
d5d1e0be LPC |
1509 | #ifdef CONFIG_DEBUG_FS |
1510 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1511 | #endif | |
1512 | ||
88ee1c61 | 1513 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1514 | /* deferred resume work */ |
1515 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1516 | #endif | |
db2a4165 | 1517 | |
9a841ebb MB |
1518 | if (card->dapm_widgets) |
1519 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1520 | card->num_dapm_widgets); | |
1521 | ||
f0fba2ad LG |
1522 | /* initialise the sound card only once */ |
1523 | if (card->probe) { | |
e7361ec4 | 1524 | ret = card->probe(card); |
f0fba2ad LG |
1525 | if (ret < 0) |
1526 | goto card_probe_error; | |
1527 | } | |
fe3e78e0 | 1528 | |
62ae68fa | 1529 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1530 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1531 | order++) { | |
1532 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1533 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1534 | if (ret < 0) { |
f110bfc7 LG |
1535 | dev_err(card->dev, |
1536 | "ASoC: failed to instantiate card %d\n", | |
1537 | ret); | |
62ae68fa SW |
1538 | goto probe_dai_err; |
1539 | } | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | /* probe all DAI links on this card */ | |
1544 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1545 | order++) { | |
1546 | for (i = 0; i < card->num_links; i++) { | |
1547 | ret = soc_probe_link_dais(card, i, order); | |
1548 | if (ret < 0) { | |
f110bfc7 LG |
1549 | dev_err(card->dev, |
1550 | "ASoC: failed to instantiate card %d\n", | |
1551 | ret); | |
0168bf0d LG |
1552 | goto probe_dai_err; |
1553 | } | |
f0fba2ad LG |
1554 | } |
1555 | } | |
db2a4165 | 1556 | |
2eea392d JN |
1557 | for (i = 0; i < card->num_aux_devs; i++) { |
1558 | ret = soc_probe_aux_dev(card, i); | |
1559 | if (ret < 0) { | |
f110bfc7 LG |
1560 | dev_err(card->dev, |
1561 | "ASoC: failed to add auxiliary devices %d\n", | |
1562 | ret); | |
2eea392d JN |
1563 | goto probe_aux_dev_err; |
1564 | } | |
1565 | } | |
1566 | ||
888df395 | 1567 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1568 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1569 | |
b7af1daf | 1570 | if (card->controls) |
022658be | 1571 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1572 | |
b8ad29de MB |
1573 | if (card->dapm_routes) |
1574 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1575 | card->num_dapm_routes); | |
1576 | ||
75d9ac46 | 1577 | for (i = 0; i < card->num_links; i++) { |
88bd870f | 1578 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
75d9ac46 | 1579 | dai_link = &card->dai_link[i]; |
f04209a7 | 1580 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1581 | |
f04209a7 | 1582 | if (dai_fmt) { |
88bd870f BC |
1583 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
1584 | int j; | |
1585 | ||
1586 | for (j = 0; j < rtd->num_codecs; j++) { | |
1587 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
1588 | ||
1589 | ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); | |
1590 | if (ret != 0 && ret != -ENOTSUPP) | |
1591 | dev_warn(codec_dai->dev, | |
1592 | "ASoC: Failed to set DAI format: %d\n", | |
1593 | ret); | |
1594 | } | |
f04209a7 MB |
1595 | } |
1596 | ||
1597 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1598 | if (dai_fmt && |
1599 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1600 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1601 | dai_fmt); | |
1602 | if (ret != 0 && ret != -ENOTSUPP) | |
1603 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1604 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1605 | ret); |
1606 | } else if (dai_fmt) { | |
1607 | /* Flip the polarity for the "CPU" end */ | |
1608 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1609 | switch (dai_link->dai_fmt & | |
1610 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1611 | case SND_SOC_DAIFMT_CBM_CFM: | |
1612 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1613 | break; | |
1614 | case SND_SOC_DAIFMT_CBM_CFS: | |
1615 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1616 | break; | |
1617 | case SND_SOC_DAIFMT_CBS_CFM: | |
1618 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1619 | break; | |
1620 | case SND_SOC_DAIFMT_CBS_CFS: | |
1621 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1622 | break; | |
1623 | } | |
75d9ac46 MB |
1624 | |
1625 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1626 | dai_fmt); |
5e4ba569 | 1627 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1628 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1629 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1630 | ret); |
1631 | } | |
1632 | } | |
1633 | ||
f0fba2ad | 1634 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1635 | "%s", card->name); |
22de71ba LG |
1636 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1637 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1638 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1639 | "%s", card->driver_name ? card->driver_name : card->name); | |
1640 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1641 | switch (card->snd_card->driver[i]) { | |
1642 | case '_': | |
1643 | case '-': | |
1644 | case '\0': | |
1645 | break; | |
1646 | default: | |
1647 | if (!isalnum(card->snd_card->driver[i])) | |
1648 | card->snd_card->driver[i] = '_'; | |
1649 | break; | |
1650 | } | |
1651 | } | |
f0fba2ad | 1652 | |
28e9ad92 MB |
1653 | if (card->late_probe) { |
1654 | ret = card->late_probe(card); | |
1655 | if (ret < 0) { | |
f110bfc7 | 1656 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1657 | card->name, ret); |
1658 | goto probe_aux_dev_err; | |
1659 | } | |
1660 | } | |
1661 | ||
1633281b | 1662 | if (card->fully_routed) |
7df37884 | 1663 | snd_soc_dapm_auto_nc_pins(card); |
1633281b | 1664 | |
824ef826 | 1665 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1666 | |
f0fba2ad LG |
1667 | ret = snd_card_register(card->snd_card); |
1668 | if (ret < 0) { | |
f110bfc7 LG |
1669 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1670 | ret); | |
6b3ed785 | 1671 | goto probe_aux_dev_err; |
db2a4165 FM |
1672 | } |
1673 | ||
f0fba2ad | 1674 | card->instantiated = 1; |
4f4c0072 | 1675 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1676 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1677 | |
1678 | return 0; | |
f0fba2ad | 1679 | |
2eea392d JN |
1680 | probe_aux_dev_err: |
1681 | for (i = 0; i < card->num_aux_devs; i++) | |
1682 | soc_remove_aux_dev(card, i); | |
1683 | ||
f0fba2ad | 1684 | probe_dai_err: |
0671fd8e | 1685 | soc_remove_dai_links(card); |
f0fba2ad LG |
1686 | |
1687 | card_probe_error: | |
87506549 | 1688 | if (card->remove) |
e7361ec4 | 1689 | card->remove(card); |
f0fba2ad LG |
1690 | |
1691 | snd_card_free(card->snd_card); | |
1692 | ||
b19e6e7b | 1693 | base_error: |
f0fba2ad | 1694 | mutex_unlock(&card->mutex); |
db2a4165 | 1695 | |
b19e6e7b | 1696 | return ret; |
435c5e25 MB |
1697 | } |
1698 | ||
1699 | /* probes a new socdev */ | |
1700 | static int soc_probe(struct platform_device *pdev) | |
1701 | { | |
f0fba2ad | 1702 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1703 | |
70a7ca34 VK |
1704 | /* |
1705 | * no card, so machine driver should be registering card | |
1706 | * we should not be here in that case so ret error | |
1707 | */ | |
1708 | if (!card) | |
1709 | return -EINVAL; | |
1710 | ||
fe4085e8 | 1711 | dev_warn(&pdev->dev, |
f110bfc7 | 1712 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1713 | card->name); |
1714 | ||
435c5e25 MB |
1715 | /* Bodge while we unpick instantiation */ |
1716 | card->dev = &pdev->dev; | |
f0fba2ad | 1717 | |
28d528c8 | 1718 | return snd_soc_register_card(card); |
db2a4165 FM |
1719 | } |
1720 | ||
b0e26485 | 1721 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1722 | { |
1723 | int i; | |
db2a4165 | 1724 | |
b0e26485 VK |
1725 | /* make sure any delayed work runs */ |
1726 | for (i = 0; i < card->num_rtd; i++) { | |
1727 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1728 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1729 | } |
914dc182 | 1730 | |
b0e26485 VK |
1731 | /* remove auxiliary devices */ |
1732 | for (i = 0; i < card->num_aux_devs; i++) | |
1733 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1734 | |
b0e26485 | 1735 | /* remove and free each DAI */ |
0671fd8e | 1736 | soc_remove_dai_links(card); |
2eea392d | 1737 | |
b0e26485 | 1738 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1739 | |
b0e26485 VK |
1740 | /* remove the card */ |
1741 | if (card->remove) | |
e7361ec4 | 1742 | card->remove(card); |
a6052154 | 1743 | |
0aaae527 LPC |
1744 | snd_soc_dapm_free(&card->dapm); |
1745 | ||
b0e26485 VK |
1746 | snd_card_free(card->snd_card); |
1747 | return 0; | |
1748 | ||
1749 | } | |
1750 | ||
1751 | /* removes a socdev */ | |
1752 | static int soc_remove(struct platform_device *pdev) | |
1753 | { | |
1754 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1755 | |
c5af3a2e | 1756 | snd_soc_unregister_card(card); |
db2a4165 FM |
1757 | return 0; |
1758 | } | |
1759 | ||
6f8ab4ac | 1760 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1761 | { |
6f8ab4ac | 1762 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1763 | int i; |
51737470 MB |
1764 | |
1765 | if (!card->instantiated) | |
416356fc | 1766 | return 0; |
51737470 MB |
1767 | |
1768 | /* Flush out pmdown_time work - we actually do want to run it | |
1769 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1770 | for (i = 0; i < card->num_rtd; i++) { |
1771 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1772 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1773 | } |
51737470 | 1774 | |
f0fba2ad | 1775 | snd_soc_dapm_shutdown(card); |
416356fc | 1776 | |
988e8cc4 NC |
1777 | /* deactivate pins to sleep state */ |
1778 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
1779 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
1780 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1781 | int j; | |
1782 | ||
988e8cc4 | 1783 | pinctrl_pm_select_sleep_state(cpu_dai->dev); |
88bd870f BC |
1784 | for (j = 0; j < rtd->num_codecs; j++) { |
1785 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
1786 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
1787 | } | |
988e8cc4 NC |
1788 | } |
1789 | ||
416356fc | 1790 | return 0; |
51737470 | 1791 | } |
6f8ab4ac | 1792 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1793 | |
6f8ab4ac | 1794 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1795 | .suspend = snd_soc_suspend, |
1796 | .resume = snd_soc_resume, | |
1797 | .freeze = snd_soc_suspend, | |
1798 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1799 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1800 | .restore = snd_soc_resume, |
416356fc | 1801 | }; |
deb2607e | 1802 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1803 | |
db2a4165 FM |
1804 | /* ASoC platform driver */ |
1805 | static struct platform_driver soc_driver = { | |
1806 | .driver = { | |
1807 | .name = "soc-audio", | |
8b45a209 | 1808 | .owner = THIS_MODULE, |
6f8ab4ac | 1809 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1810 | }, |
1811 | .probe = soc_probe, | |
1812 | .remove = soc_remove, | |
db2a4165 FM |
1813 | }; |
1814 | ||
db2a4165 FM |
1815 | /** |
1816 | * snd_soc_cnew - create new control | |
1817 | * @_template: control template | |
1818 | * @data: control private data | |
ac11a2b3 | 1819 | * @long_name: control long name |
efb7ac3f | 1820 | * @prefix: control name prefix |
db2a4165 FM |
1821 | * |
1822 | * Create a new mixer control from a template control. | |
1823 | * | |
1824 | * Returns 0 for success, else error. | |
1825 | */ | |
1826 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 1827 | void *data, const char *long_name, |
efb7ac3f | 1828 | const char *prefix) |
db2a4165 FM |
1829 | { |
1830 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
1831 | struct snd_kcontrol *kcontrol; |
1832 | char *name = NULL; | |
db2a4165 FM |
1833 | |
1834 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
1835 | template.index = 0; |
1836 | ||
efb7ac3f MB |
1837 | if (!long_name) |
1838 | long_name = template.name; | |
1839 | ||
1840 | if (prefix) { | |
2b581074 | 1841 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
1842 | if (!name) |
1843 | return NULL; | |
1844 | ||
efb7ac3f MB |
1845 | template.name = name; |
1846 | } else { | |
1847 | template.name = long_name; | |
1848 | } | |
1849 | ||
1850 | kcontrol = snd_ctl_new1(&template, data); | |
1851 | ||
1852 | kfree(name); | |
1853 | ||
1854 | return kcontrol; | |
db2a4165 FM |
1855 | } |
1856 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
1857 | ||
022658be LG |
1858 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
1859 | const struct snd_kcontrol_new *controls, int num_controls, | |
1860 | const char *prefix, void *data) | |
1861 | { | |
1862 | int err, i; | |
1863 | ||
1864 | for (i = 0; i < num_controls; i++) { | |
1865 | const struct snd_kcontrol_new *control = &controls[i]; | |
1866 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
1867 | control->name, prefix)); | |
1868 | if (err < 0) { | |
f110bfc7 LG |
1869 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
1870 | control->name, err); | |
022658be LG |
1871 | return err; |
1872 | } | |
1873 | } | |
1874 | ||
1875 | return 0; | |
1876 | } | |
1877 | ||
4fefd698 DP |
1878 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
1879 | const char *name) | |
1880 | { | |
1881 | struct snd_card *card = soc_card->snd_card; | |
1882 | struct snd_kcontrol *kctl; | |
1883 | ||
1884 | if (unlikely(!name)) | |
1885 | return NULL; | |
1886 | ||
1887 | list_for_each_entry(kctl, &card->controls, list) | |
1888 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
1889 | return kctl; | |
1890 | return NULL; | |
1891 | } | |
1892 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
1893 | ||
0f2780ad LPC |
1894 | /** |
1895 | * snd_soc_add_component_controls - Add an array of controls to a component. | |
1896 | * | |
1897 | * @component: Component to add controls to | |
1898 | * @controls: Array of controls to add | |
1899 | * @num_controls: Number of elements in the array | |
1900 | * | |
1901 | * Return: 0 for success, else error. | |
1902 | */ | |
1903 | int snd_soc_add_component_controls(struct snd_soc_component *component, | |
1904 | const struct snd_kcontrol_new *controls, unsigned int num_controls) | |
1905 | { | |
1906 | struct snd_card *card = component->card->snd_card; | |
1907 | ||
1908 | return snd_soc_add_controls(card, component->dev, controls, | |
1909 | num_controls, component->name_prefix, component); | |
1910 | } | |
1911 | EXPORT_SYMBOL_GPL(snd_soc_add_component_controls); | |
1912 | ||
3e8e1952 | 1913 | /** |
022658be LG |
1914 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
1915 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
1916 | * duplicating this code. |
1917 | * | |
1918 | * @codec: codec to add controls to | |
1919 | * @controls: array of controls to add | |
1920 | * @num_controls: number of elements in the array | |
1921 | * | |
1922 | * Return 0 for success, else error. | |
1923 | */ | |
022658be | 1924 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
0f2780ad | 1925 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
3e8e1952 | 1926 | { |
0f2780ad LPC |
1927 | return snd_soc_add_component_controls(&codec->component, controls, |
1928 | num_controls); | |
3e8e1952 | 1929 | } |
022658be | 1930 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 1931 | |
a491a5c8 LG |
1932 | /** |
1933 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 1934 | * Convenience function to add a list of controls. |
a491a5c8 LG |
1935 | * |
1936 | * @platform: platform to add controls to | |
1937 | * @controls: array of controls to add | |
1938 | * @num_controls: number of elements in the array | |
1939 | * | |
1940 | * Return 0 for success, else error. | |
1941 | */ | |
1942 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
0f2780ad | 1943 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
a491a5c8 | 1944 | { |
0f2780ad LPC |
1945 | return snd_soc_add_component_controls(&platform->component, controls, |
1946 | num_controls); | |
a491a5c8 LG |
1947 | } |
1948 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
1949 | ||
022658be LG |
1950 | /** |
1951 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
1952 | * Convenience function to add a list of controls. | |
1953 | * | |
1954 | * @soc_card: SoC card 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 | */ | |
1960 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
1961 | const struct snd_kcontrol_new *controls, int num_controls) | |
1962 | { | |
1963 | struct snd_card *card = soc_card->snd_card; | |
1964 | ||
1965 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
1966 | NULL, soc_card); | |
1967 | } | |
1968 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
1969 | ||
1970 | /** | |
1971 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
1972 | * Convienience function to add a list of controls. | |
1973 | * | |
1974 | * @dai: DAI to add controls to | |
1975 | * @controls: array of controls to add | |
1976 | * @num_controls: number of elements in the array | |
1977 | * | |
1978 | * Return 0 for success, else error. | |
1979 | */ | |
1980 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
1981 | const struct snd_kcontrol_new *controls, int num_controls) | |
1982 | { | |
1983 | struct snd_card *card = dai->card->snd_card; | |
1984 | ||
1985 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
1986 | NULL, dai); | |
1987 | } | |
1988 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
1989 | ||
db2a4165 FM |
1990 | /** |
1991 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
1992 | * @kcontrol: mixer control | |
1993 | * @uinfo: control element information | |
1994 | * | |
1995 | * Callback to provide information about a double enumerated | |
1996 | * mixer control. | |
1997 | * | |
1998 | * Returns 0 for success. | |
1999 | */ | |
2000 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2001 | struct snd_ctl_elem_info *uinfo) | |
2002 | { | |
2003 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2004 | ||
2005 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2006 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2007 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2008 | |
9a8d38db TI |
2009 | if (uinfo->value.enumerated.item >= e->items) |
2010 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2011 | strlcpy(uinfo->value.enumerated.name, |
2012 | e->texts[uinfo->value.enumerated.item], | |
2013 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2014 | return 0; |
2015 | } | |
2016 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2017 | ||
2018 | /** | |
2019 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2020 | * @kcontrol: mixer control | |
ac11a2b3 | 2021 | * @ucontrol: control element information |
db2a4165 FM |
2022 | * |
2023 | * Callback to get the value of a double enumerated mixer. | |
2024 | * | |
2025 | * Returns 0 for success. | |
2026 | */ | |
2027 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2028 | struct snd_ctl_elem_value *ucontrol) | |
2029 | { | |
907fe36a | 2030 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2031 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 LPC |
2032 | unsigned int val, item; |
2033 | unsigned int reg_val; | |
907fe36a | 2034 | int ret; |
db2a4165 | 2035 | |
907fe36a LPC |
2036 | ret = snd_soc_component_read(component, e->reg, ®_val); |
2037 | if (ret) | |
2038 | return ret; | |
29ae2fa5 LPC |
2039 | val = (reg_val >> e->shift_l) & e->mask; |
2040 | item = snd_soc_enum_val_to_item(e, val); | |
2041 | ucontrol->value.enumerated.item[0] = item; | |
2042 | if (e->shift_l != e->shift_r) { | |
2043 | val = (reg_val >> e->shift_l) & e->mask; | |
2044 | item = snd_soc_enum_val_to_item(e, val); | |
2045 | ucontrol->value.enumerated.item[1] = item; | |
2046 | } | |
db2a4165 FM |
2047 | |
2048 | return 0; | |
2049 | } | |
2050 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2051 | ||
2052 | /** | |
2053 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2054 | * @kcontrol: mixer control | |
ac11a2b3 | 2055 | * @ucontrol: control element information |
db2a4165 FM |
2056 | * |
2057 | * Callback to set the value of a double enumerated mixer. | |
2058 | * | |
2059 | * Returns 0 for success. | |
2060 | */ | |
2061 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2062 | struct snd_ctl_elem_value *ucontrol) | |
2063 | { | |
907fe36a | 2064 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2065 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 | 2066 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2067 | unsigned int val; |
86767b7d | 2068 | unsigned int mask; |
db2a4165 | 2069 | |
29ae2fa5 | 2070 | if (item[0] >= e->items) |
db2a4165 | 2071 | return -EINVAL; |
29ae2fa5 | 2072 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2073 | mask = e->mask << e->shift_l; |
db2a4165 | 2074 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2075 | if (item[1] >= e->items) |
db2a4165 | 2076 | return -EINVAL; |
29ae2fa5 | 2077 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2078 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2079 | } |
2080 | ||
907fe36a | 2081 | return snd_soc_component_update_bits(component, e->reg, mask, val); |
db2a4165 FM |
2082 | } |
2083 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2084 | ||
2e72f8e3 | 2085 | /** |
f227b88f | 2086 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
907fe36a | 2087 | * @component: component |
f227b88f MP |
2088 | * @reg: Register to read |
2089 | * @mask: Mask to use after shifting the register value | |
2090 | * @shift: Right shift of register value | |
2091 | * @sign_bit: Bit that describes if a number is negative or not. | |
907fe36a | 2092 | * @signed_val: Pointer to where the read value should be stored |
2e72f8e3 | 2093 | * |
f227b88f MP |
2094 | * This functions reads a codec register. The register value is shifted right |
2095 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2096 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2097 | * |
907fe36a | 2098 | * Returns 0 on sucess, otherwise an error value |
2e72f8e3 | 2099 | */ |
907fe36a LPC |
2100 | static int snd_soc_read_signed(struct snd_soc_component *component, |
2101 | unsigned int reg, unsigned int mask, unsigned int shift, | |
2102 | unsigned int sign_bit, int *signed_val) | |
2e72f8e3 | 2103 | { |
f227b88f MP |
2104 | int ret; |
2105 | unsigned int val; | |
2e72f8e3 | 2106 | |
907fe36a LPC |
2107 | ret = snd_soc_component_read(component, reg, &val); |
2108 | if (ret < 0) | |
2109 | return ret; | |
2110 | ||
2111 | val = (val >> shift) & mask; | |
2e72f8e3 | 2112 | |
907fe36a LPC |
2113 | if (!sign_bit) { |
2114 | *signed_val = val; | |
2115 | return 0; | |
2116 | } | |
2e72f8e3 | 2117 | |
f227b88f | 2118 | /* non-negative number */ |
907fe36a LPC |
2119 | if (!(val & BIT(sign_bit))) { |
2120 | *signed_val = val; | |
2121 | return 0; | |
2122 | } | |
2e72f8e3 | 2123 | |
f227b88f | 2124 | ret = val; |
2e72f8e3 | 2125 | |
f227b88f MP |
2126 | /* |
2127 | * The register most probably does not contain a full-sized int. | |
2128 | * Instead we have an arbitrary number of bits in a signed | |
2129 | * representation which has to be translated into a full-sized int. | |
2130 | * This is done by filling up all bits above the sign-bit. | |
2131 | */ | |
2132 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2133 | ||
907fe36a LPC |
2134 | *signed_val = ret; |
2135 | ||
2136 | return 0; | |
2e72f8e3 | 2137 | } |
2e72f8e3 | 2138 | |
db2a4165 FM |
2139 | /** |
2140 | * snd_soc_info_volsw - single mixer info callback | |
2141 | * @kcontrol: mixer control | |
2142 | * @uinfo: control element information | |
2143 | * | |
e8f5a103 PU |
2144 | * Callback to provide information about a single mixer control, or a double |
2145 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2146 | * |
2147 | * Returns 0 for success. | |
2148 | */ | |
2149 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2150 | struct snd_ctl_elem_info *uinfo) | |
2151 | { | |
4eaa9819 JS |
2152 | struct soc_mixer_control *mc = |
2153 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2154 | int platform_max; |
db2a4165 | 2155 | |
d11bb4a9 PU |
2156 | if (!mc->platform_max) |
2157 | mc->platform_max = mc->max; | |
2158 | platform_max = mc->platform_max; | |
2159 | ||
2160 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2161 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2162 | else | |
2163 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2164 | ||
e8f5a103 | 2165 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2166 | uinfo->value.integer.min = 0; |
f227b88f | 2167 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2168 | return 0; |
2169 | } | |
2170 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2171 | ||
2172 | /** | |
2173 | * snd_soc_get_volsw - single mixer get callback | |
2174 | * @kcontrol: mixer control | |
ac11a2b3 | 2175 | * @ucontrol: control element information |
db2a4165 | 2176 | * |
f7915d99 PU |
2177 | * Callback to get the value of a single mixer control, or a double mixer |
2178 | * control that spans 2 registers. | |
db2a4165 FM |
2179 | * |
2180 | * Returns 0 for success. | |
2181 | */ | |
2182 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2183 | struct snd_ctl_elem_value *ucontrol) | |
2184 | { | |
907fe36a | 2185 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2186 | struct soc_mixer_control *mc = |
2187 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2188 | unsigned int reg = mc->reg; |
f7915d99 | 2189 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2190 | unsigned int shift = mc->shift; |
2191 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2192 | int max = mc->max; |
f227b88f MP |
2193 | int min = mc->min; |
2194 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2195 | unsigned int mask = (1 << fls(max)) - 1; |
2196 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2197 | int val; |
2198 | int ret; | |
db2a4165 | 2199 | |
f227b88f MP |
2200 | if (sign_bit) |
2201 | mask = BIT(sign_bit + 1) - 1; | |
2202 | ||
907fe36a LPC |
2203 | ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val); |
2204 | if (ret) | |
2205 | return ret; | |
2206 | ||
2207 | ucontrol->value.integer.value[0] = val - min; | |
f7915d99 | 2208 | if (invert) |
db2a4165 | 2209 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2210 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2211 | |
2212 | if (snd_soc_volsw_is_stereo(mc)) { | |
2213 | if (reg == reg2) | |
907fe36a LPC |
2214 | ret = snd_soc_read_signed(component, reg, mask, rshift, |
2215 | sign_bit, &val); | |
f7915d99 | 2216 | else |
907fe36a LPC |
2217 | ret = snd_soc_read_signed(component, reg2, mask, shift, |
2218 | sign_bit, &val); | |
2219 | if (ret) | |
2220 | return ret; | |
2221 | ||
2222 | ucontrol->value.integer.value[1] = val - min; | |
f7915d99 | 2223 | if (invert) |
db2a4165 | 2224 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2225 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2226 | } |
2227 | ||
2228 | return 0; | |
2229 | } | |
2230 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2231 | ||
2232 | /** | |
2233 | * snd_soc_put_volsw - single mixer put callback | |
2234 | * @kcontrol: mixer control | |
ac11a2b3 | 2235 | * @ucontrol: control element information |
db2a4165 | 2236 | * |
974815ba PU |
2237 | * Callback to set the value of a single mixer control, or a double mixer |
2238 | * control that spans 2 registers. | |
db2a4165 FM |
2239 | * |
2240 | * Returns 0 for success. | |
2241 | */ | |
2242 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2243 | struct snd_ctl_elem_value *ucontrol) | |
2244 | { | |
907fe36a | 2245 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2246 | struct soc_mixer_control *mc = |
2247 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2248 | unsigned int reg = mc->reg; |
974815ba | 2249 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2250 | unsigned int shift = mc->shift; |
2251 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2252 | int max = mc->max; |
f227b88f MP |
2253 | int min = mc->min; |
2254 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2255 | unsigned int mask = (1 << fls(max)) - 1; |
2256 | unsigned int invert = mc->invert; | |
974815ba | 2257 | int err; |
939d9f16 | 2258 | bool type_2r = false; |
974815ba PU |
2259 | unsigned int val2 = 0; |
2260 | unsigned int val, val_mask; | |
db2a4165 | 2261 | |
f227b88f MP |
2262 | if (sign_bit) |
2263 | mask = BIT(sign_bit + 1) - 1; | |
2264 | ||
2265 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2266 | if (invert) |
a7a4ac86 | 2267 | val = max - val; |
db2a4165 FM |
2268 | val_mask = mask << shift; |
2269 | val = val << shift; | |
974815ba | 2270 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2271 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2272 | if (invert) |
a7a4ac86 | 2273 | val2 = max - val2; |
974815ba PU |
2274 | if (reg == reg2) { |
2275 | val_mask |= mask << rshift; | |
2276 | val |= val2 << rshift; | |
2277 | } else { | |
2278 | val2 = val2 << shift; | |
939d9f16 | 2279 | type_2r = true; |
974815ba | 2280 | } |
db2a4165 | 2281 | } |
907fe36a | 2282 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
3ff3f64b | 2283 | if (err < 0) |
db2a4165 FM |
2284 | return err; |
2285 | ||
974815ba | 2286 | if (type_2r) |
907fe36a LPC |
2287 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2288 | val2); | |
974815ba | 2289 | |
db2a4165 FM |
2290 | return err; |
2291 | } | |
974815ba | 2292 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2293 | |
1d99f243 BA |
2294 | /** |
2295 | * snd_soc_get_volsw_sx - single mixer get callback | |
2296 | * @kcontrol: mixer control | |
2297 | * @ucontrol: control element information | |
2298 | * | |
2299 | * Callback to get the value of a single mixer control, or a double mixer | |
2300 | * control that spans 2 registers. | |
2301 | * | |
2302 | * Returns 0 for success. | |
2303 | */ | |
2304 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2305 | struct snd_ctl_elem_value *ucontrol) | |
2306 | { | |
907fe36a | 2307 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2308 | struct soc_mixer_control *mc = |
2309 | (struct soc_mixer_control *)kcontrol->private_value; | |
1d99f243 BA |
2310 | unsigned int reg = mc->reg; |
2311 | unsigned int reg2 = mc->rreg; | |
2312 | unsigned int shift = mc->shift; | |
2313 | unsigned int rshift = mc->rshift; | |
2314 | int max = mc->max; | |
2315 | int min = mc->min; | |
2316 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
907fe36a LPC |
2317 | unsigned int val; |
2318 | int ret; | |
1d99f243 | 2319 | |
907fe36a LPC |
2320 | ret = snd_soc_component_read(component, reg, &val); |
2321 | if (ret < 0) | |
2322 | return ret; | |
1d99f243 | 2323 | |
907fe36a LPC |
2324 | ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask; |
2325 | ||
2326 | if (snd_soc_volsw_is_stereo(mc)) { | |
2327 | ret = snd_soc_component_read(component, reg2, &val); | |
2328 | if (ret < 0) | |
2329 | return ret; | |
2330 | ||
2331 | val = ((val >> rshift) - min) & mask; | |
2332 | ucontrol->value.integer.value[1] = val; | |
2333 | } | |
1d99f243 BA |
2334 | |
2335 | return 0; | |
2336 | } | |
2337 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2338 | ||
2339 | /** | |
2340 | * snd_soc_put_volsw_sx - double mixer set callback | |
2341 | * @kcontrol: mixer control | |
2342 | * @uinfo: control element information | |
2343 | * | |
2344 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2345 | * | |
2346 | * Returns 0 for success. | |
2347 | */ | |
2348 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2349 | struct snd_ctl_elem_value *ucontrol) | |
2350 | { | |
907fe36a | 2351 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2352 | struct soc_mixer_control *mc = |
2353 | (struct soc_mixer_control *)kcontrol->private_value; | |
2354 | ||
2355 | unsigned int reg = mc->reg; | |
2356 | unsigned int reg2 = mc->rreg; | |
2357 | unsigned int shift = mc->shift; | |
2358 | unsigned int rshift = mc->rshift; | |
2359 | int max = mc->max; | |
2360 | int min = mc->min; | |
2361 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2362 | int err = 0; |
1a39019e | 2363 | unsigned int val, val_mask, val2 = 0; |
1d99f243 BA |
2364 | |
2365 | val_mask = mask << shift; | |
2366 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2367 | val = val << shift; | |
2368 | ||
907fe36a | 2369 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
d055852e MN |
2370 | if (err < 0) |
2371 | return err; | |
1d99f243 BA |
2372 | |
2373 | if (snd_soc_volsw_is_stereo(mc)) { | |
2374 | val_mask = mask << rshift; | |
2375 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2376 | val2 = val2 << rshift; | |
2377 | ||
907fe36a LPC |
2378 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2379 | val2); | |
1d99f243 | 2380 | } |
907fe36a | 2381 | return err; |
1d99f243 BA |
2382 | } |
2383 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2384 | ||
e13ac2e9 MB |
2385 | /** |
2386 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2387 | * @kcontrol: mixer control | |
2388 | * @uinfo: control element information | |
2389 | * | |
2390 | * Callback to provide information about a signed mixer control. | |
2391 | * | |
2392 | * Returns 0 for success. | |
2393 | */ | |
2394 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2395 | struct snd_ctl_elem_info *uinfo) | |
2396 | { | |
4eaa9819 JS |
2397 | struct soc_mixer_control *mc = |
2398 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2399 | int platform_max; |
4eaa9819 | 2400 | int min = mc->min; |
e13ac2e9 | 2401 | |
d11bb4a9 PU |
2402 | if (!mc->platform_max) |
2403 | mc->platform_max = mc->max; | |
2404 | platform_max = mc->platform_max; | |
2405 | ||
e13ac2e9 MB |
2406 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2407 | uinfo->count = 2; | |
2408 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2409 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2410 | return 0; |
2411 | } | |
2412 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2413 | ||
2414 | /** | |
2415 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2416 | * @kcontrol: mixer control | |
ac11a2b3 | 2417 | * @ucontrol: control element information |
e13ac2e9 MB |
2418 | * |
2419 | * Callback to get the value of a signed mixer control. | |
2420 | * | |
2421 | * Returns 0 for success. | |
2422 | */ | |
2423 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2424 | struct snd_ctl_elem_value *ucontrol) | |
2425 | { | |
4eaa9819 JS |
2426 | struct soc_mixer_control *mc = |
2427 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2428 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2429 | unsigned int reg = mc->reg; |
907fe36a | 2430 | unsigned int val; |
4eaa9819 | 2431 | int min = mc->min; |
907fe36a LPC |
2432 | int ret; |
2433 | ||
2434 | ret = snd_soc_component_read(component, reg, &val); | |
2435 | if (ret) | |
2436 | return ret; | |
e13ac2e9 MB |
2437 | |
2438 | ucontrol->value.integer.value[0] = | |
2439 | ((signed char)(val & 0xff))-min; | |
2440 | ucontrol->value.integer.value[1] = | |
2441 | ((signed char)((val >> 8) & 0xff))-min; | |
2442 | return 0; | |
2443 | } | |
2444 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2445 | ||
2446 | /** | |
2447 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2448 | * @kcontrol: mixer control | |
ac11a2b3 | 2449 | * @ucontrol: control element information |
e13ac2e9 MB |
2450 | * |
2451 | * Callback to set the value of a signed mixer control. | |
2452 | * | |
2453 | * Returns 0 for success. | |
2454 | */ | |
2455 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2456 | struct snd_ctl_elem_value *ucontrol) | |
2457 | { | |
4eaa9819 JS |
2458 | struct soc_mixer_control *mc = |
2459 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2460 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2461 | unsigned int reg = mc->reg; |
4eaa9819 | 2462 | int min = mc->min; |
46f5822f | 2463 | unsigned int val; |
e13ac2e9 MB |
2464 | |
2465 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2466 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2467 | ||
907fe36a | 2468 | return snd_soc_component_update_bits(component, reg, 0xffff, val); |
e13ac2e9 MB |
2469 | } |
2470 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2471 | ||
6c9d8cf6 AT |
2472 | /** |
2473 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2474 | * @kcontrol: mixer control | |
2475 | * @uinfo: control element information | |
2476 | * | |
2477 | * Callback to provide information, within a range, about a single | |
2478 | * mixer control. | |
2479 | * | |
2480 | * returns 0 for success. | |
2481 | */ | |
2482 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2483 | struct snd_ctl_elem_info *uinfo) | |
2484 | { | |
2485 | struct soc_mixer_control *mc = | |
2486 | (struct soc_mixer_control *)kcontrol->private_value; | |
2487 | int platform_max; | |
2488 | int min = mc->min; | |
2489 | ||
2490 | if (!mc->platform_max) | |
2491 | mc->platform_max = mc->max; | |
2492 | platform_max = mc->platform_max; | |
2493 | ||
2494 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2495 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2496 | uinfo->value.integer.min = 0; |
2497 | uinfo->value.integer.max = platform_max - min; | |
2498 | ||
2499 | return 0; | |
2500 | } | |
2501 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2502 | ||
2503 | /** | |
2504 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2505 | * @kcontrol: mixer control | |
2506 | * @ucontrol: control element information | |
2507 | * | |
2508 | * Callback to set the value, within a range, for a single mixer control. | |
2509 | * | |
2510 | * Returns 0 for success. | |
2511 | */ | |
2512 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2513 | struct snd_ctl_elem_value *ucontrol) | |
2514 | { | |
2515 | struct soc_mixer_control *mc = | |
2516 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2517 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 | 2518 | unsigned int reg = mc->reg; |
9bde4f0b | 2519 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2520 | unsigned int shift = mc->shift; |
2521 | int min = mc->min; | |
2522 | int max = mc->max; | |
2523 | unsigned int mask = (1 << fls(max)) - 1; | |
2524 | unsigned int invert = mc->invert; | |
2525 | unsigned int val, val_mask; | |
9bde4f0b | 2526 | int ret; |
6c9d8cf6 | 2527 | |
6c9d8cf6 | 2528 | if (invert) |
5c7c343a HM |
2529 | val = (max - ucontrol->value.integer.value[0]) & mask; |
2530 | else | |
2531 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
6c9d8cf6 AT |
2532 | val_mask = mask << shift; |
2533 | val = val << shift; | |
2534 | ||
907fe36a | 2535 | ret = snd_soc_component_update_bits(component, reg, val_mask, val); |
0eaa6cca | 2536 | if (ret < 0) |
9bde4f0b MB |
2537 | return ret; |
2538 | ||
2539 | if (snd_soc_volsw_is_stereo(mc)) { | |
9bde4f0b | 2540 | if (invert) |
5c7c343a HM |
2541 | val = (max - ucontrol->value.integer.value[1]) & mask; |
2542 | else | |
2543 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
9bde4f0b MB |
2544 | val_mask = mask << shift; |
2545 | val = val << shift; | |
2546 | ||
907fe36a LPC |
2547 | ret = snd_soc_component_update_bits(component, rreg, val_mask, |
2548 | val); | |
9bde4f0b MB |
2549 | } |
2550 | ||
2551 | return ret; | |
6c9d8cf6 AT |
2552 | } |
2553 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
2554 | ||
2555 | /** | |
2556 | * snd_soc_get_volsw_range - single mixer get callback with range | |
2557 | * @kcontrol: mixer control | |
2558 | * @ucontrol: control element information | |
2559 | * | |
2560 | * Callback to get the value, within a range, of a single mixer control. | |
2561 | * | |
2562 | * Returns 0 for success. | |
2563 | */ | |
2564 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
2565 | struct snd_ctl_elem_value *ucontrol) | |
2566 | { | |
907fe36a | 2567 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 AT |
2568 | struct soc_mixer_control *mc = |
2569 | (struct soc_mixer_control *)kcontrol->private_value; | |
6c9d8cf6 | 2570 | unsigned int reg = mc->reg; |
9bde4f0b | 2571 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2572 | unsigned int shift = mc->shift; |
2573 | int min = mc->min; | |
2574 | int max = mc->max; | |
2575 | unsigned int mask = (1 << fls(max)) - 1; | |
2576 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2577 | unsigned int val; |
2578 | int ret; | |
6c9d8cf6 | 2579 | |
907fe36a LPC |
2580 | ret = snd_soc_component_read(component, reg, &val); |
2581 | if (ret) | |
2582 | return ret; | |
2583 | ||
2584 | ucontrol->value.integer.value[0] = (val >> shift) & mask; | |
6c9d8cf6 AT |
2585 | if (invert) |
2586 | ucontrol->value.integer.value[0] = | |
2587 | max - ucontrol->value.integer.value[0]; | |
5c7c343a HM |
2588 | else |
2589 | ucontrol->value.integer.value[0] = | |
2590 | ucontrol->value.integer.value[0] - min; | |
6c9d8cf6 | 2591 | |
9bde4f0b | 2592 | if (snd_soc_volsw_is_stereo(mc)) { |
907fe36a LPC |
2593 | ret = snd_soc_component_read(component, rreg, &val); |
2594 | if (ret) | |
2595 | return ret; | |
2596 | ||
2597 | ucontrol->value.integer.value[1] = (val >> shift) & mask; | |
9bde4f0b MB |
2598 | if (invert) |
2599 | ucontrol->value.integer.value[1] = | |
2600 | max - ucontrol->value.integer.value[1]; | |
5c7c343a HM |
2601 | else |
2602 | ucontrol->value.integer.value[1] = | |
2603 | ucontrol->value.integer.value[1] - min; | |
9bde4f0b MB |
2604 | } |
2605 | ||
6c9d8cf6 AT |
2606 | return 0; |
2607 | } | |
2608 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
2609 | ||
637d3847 PU |
2610 | /** |
2611 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
2612 | * | |
2613 | * @codec: where to look for the control | |
2614 | * @name: Name of the control | |
2615 | * @max: new maximum limit | |
2616 | * | |
2617 | * Return 0 for success, else error. | |
2618 | */ | |
2619 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
2620 | const char *name, int max) | |
2621 | { | |
00200107 | 2622 | struct snd_card *card = codec->component.card->snd_card; |
637d3847 PU |
2623 | struct snd_kcontrol *kctl; |
2624 | struct soc_mixer_control *mc; | |
2625 | int found = 0; | |
2626 | int ret = -EINVAL; | |
2627 | ||
2628 | /* Sanity check for name and max */ | |
2629 | if (unlikely(!name || max <= 0)) | |
2630 | return -EINVAL; | |
2631 | ||
2632 | list_for_each_entry(kctl, &card->controls, list) { | |
2633 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
2634 | found = 1; | |
2635 | break; | |
2636 | } | |
2637 | } | |
2638 | if (found) { | |
2639 | mc = (struct soc_mixer_control *)kctl->private_value; | |
2640 | if (max <= mc->max) { | |
d11bb4a9 | 2641 | mc->platform_max = max; |
637d3847 PU |
2642 | ret = 0; |
2643 | } | |
2644 | } | |
2645 | return ret; | |
2646 | } | |
2647 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
2648 | ||
71d08516 MB |
2649 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
2650 | struct snd_ctl_elem_info *uinfo) | |
2651 | { | |
907fe36a | 2652 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 MB |
2653 | struct soc_bytes *params = (void *)kcontrol->private_value; |
2654 | ||
2655 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
907fe36a | 2656 | uinfo->count = params->num_regs * component->val_bytes; |
71d08516 MB |
2657 | |
2658 | return 0; | |
2659 | } | |
2660 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
2661 | ||
2662 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
2663 | struct snd_ctl_elem_value *ucontrol) | |
2664 | { | |
907fe36a | 2665 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 2666 | struct soc_bytes *params = (void *)kcontrol->private_value; |
71d08516 MB |
2667 | int ret; |
2668 | ||
907fe36a LPC |
2669 | if (component->regmap) |
2670 | ret = regmap_raw_read(component->regmap, params->base, | |
71d08516 | 2671 | ucontrol->value.bytes.data, |
907fe36a | 2672 | params->num_regs * component->val_bytes); |
71d08516 MB |
2673 | else |
2674 | ret = -EINVAL; | |
2675 | ||
f831b055 MB |
2676 | /* Hide any masked bytes to ensure consistent data reporting */ |
2677 | if (ret == 0 && params->mask) { | |
907fe36a | 2678 | switch (component->val_bytes) { |
f831b055 MB |
2679 | case 1: |
2680 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
2681 | break; | |
2682 | case 2: | |
2683 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 2684 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
2685 | break; |
2686 | case 4: | |
2687 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 2688 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
2689 | break; |
2690 | default: | |
2691 | return -EINVAL; | |
2692 | } | |
2693 | } | |
2694 | ||
71d08516 MB |
2695 | return ret; |
2696 | } | |
2697 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
2698 | ||
2699 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
2700 | struct snd_ctl_elem_value *ucontrol) | |
2701 | { | |
907fe36a | 2702 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 2703 | struct soc_bytes *params = (void *)kcontrol->private_value; |
f831b055 | 2704 | int ret, len; |
a1a564ed | 2705 | unsigned int val, mask; |
f831b055 | 2706 | void *data; |
71d08516 | 2707 | |
6596aa04 | 2708 | if (!component->regmap || !params->num_regs) |
f831b055 MB |
2709 | return -EINVAL; |
2710 | ||
907fe36a | 2711 | len = params->num_regs * component->val_bytes; |
f831b055 | 2712 | |
b5a8fe43 MB |
2713 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
2714 | if (!data) | |
2715 | return -ENOMEM; | |
2716 | ||
f831b055 MB |
2717 | /* |
2718 | * If we've got a mask then we need to preserve the register | |
2719 | * bits. We shouldn't modify the incoming data so take a | |
2720 | * copy. | |
2721 | */ | |
2722 | if (params->mask) { | |
907fe36a | 2723 | ret = regmap_read(component->regmap, params->base, &val); |
f831b055 | 2724 | if (ret != 0) |
e8b18add | 2725 | goto out; |
f831b055 MB |
2726 | |
2727 | val &= params->mask; | |
2728 | ||
907fe36a | 2729 | switch (component->val_bytes) { |
f831b055 MB |
2730 | case 1: |
2731 | ((u8 *)data)[0] &= ~params->mask; | |
2732 | ((u8 *)data)[0] |= val; | |
2733 | break; | |
2734 | case 2: | |
a1a564ed | 2735 | mask = ~params->mask; |
907fe36a | 2736 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
2737 | &mask, &mask); |
2738 | if (ret != 0) | |
2739 | goto out; | |
2740 | ||
2741 | ((u16 *)data)[0] &= mask; | |
2742 | ||
907fe36a | 2743 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
2744 | &val, &val); |
2745 | if (ret != 0) | |
2746 | goto out; | |
2747 | ||
2748 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
2749 | break; |
2750 | case 4: | |
a1a564ed | 2751 | mask = ~params->mask; |
907fe36a | 2752 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
2753 | &mask, &mask); |
2754 | if (ret != 0) | |
2755 | goto out; | |
2756 | ||
2757 | ((u32 *)data)[0] &= mask; | |
2758 | ||
907fe36a | 2759 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
2760 | &val, &val); |
2761 | if (ret != 0) | |
2762 | goto out; | |
2763 | ||
2764 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
2765 | break; |
2766 | default: | |
e8b18add WY |
2767 | ret = -EINVAL; |
2768 | goto out; | |
f831b055 MB |
2769 | } |
2770 | } | |
2771 | ||
907fe36a | 2772 | ret = regmap_raw_write(component->regmap, params->base, |
f831b055 MB |
2773 | data, len); |
2774 | ||
e8b18add | 2775 | out: |
b5a8fe43 | 2776 | kfree(data); |
71d08516 MB |
2777 | |
2778 | return ret; | |
2779 | } | |
2780 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
2781 | ||
d9881208 VK |
2782 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
2783 | struct snd_ctl_elem_info *ucontrol) | |
2784 | { | |
2785 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
2786 | ||
2787 | ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
2788 | ucontrol->count = params->max; | |
2789 | ||
2790 | return 0; | |
2791 | } | |
2792 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext); | |
2793 | ||
7523a271 OMA |
2794 | int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, |
2795 | unsigned int size, unsigned int __user *tlv) | |
2796 | { | |
2797 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
2798 | unsigned int count = size < params->max ? size : params->max; | |
2799 | int ret = -ENXIO; | |
2800 | ||
2801 | switch (op_flag) { | |
2802 | case SNDRV_CTL_TLV_OP_READ: | |
2803 | if (params->get) | |
2804 | ret = params->get(tlv, count); | |
2805 | break; | |
2806 | case SNDRV_CTL_TLV_OP_WRITE: | |
2807 | if (params->put) | |
2808 | ret = params->put(tlv, count); | |
2809 | break; | |
2810 | } | |
2811 | return ret; | |
2812 | } | |
2813 | EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback); | |
2814 | ||
4183eed2 KK |
2815 | /** |
2816 | * snd_soc_info_xr_sx - signed multi register info callback | |
2817 | * @kcontrol: mreg control | |
2818 | * @uinfo: control element information | |
2819 | * | |
2820 | * Callback to provide information of a control that can | |
2821 | * span multiple codec registers which together | |
2822 | * forms a single signed value in a MSB/LSB manner. | |
2823 | * | |
2824 | * Returns 0 for success. | |
2825 | */ | |
2826 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
2827 | struct snd_ctl_elem_info *uinfo) | |
2828 | { | |
2829 | struct soc_mreg_control *mc = | |
2830 | (struct soc_mreg_control *)kcontrol->private_value; | |
2831 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2832 | uinfo->count = 1; | |
2833 | uinfo->value.integer.min = mc->min; | |
2834 | uinfo->value.integer.max = mc->max; | |
2835 | ||
2836 | return 0; | |
2837 | } | |
2838 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
2839 | ||
2840 | /** | |
2841 | * snd_soc_get_xr_sx - signed multi register get callback | |
2842 | * @kcontrol: mreg control | |
2843 | * @ucontrol: control element information | |
2844 | * | |
2845 | * Callback to get the value of a control that can span | |
2846 | * multiple codec registers which together forms a single | |
2847 | * signed value in a MSB/LSB manner. The control supports | |
2848 | * specifying total no of bits used to allow for bitfields | |
2849 | * across the multiple codec registers. | |
2850 | * | |
2851 | * Returns 0 for success. | |
2852 | */ | |
2853 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
2854 | struct snd_ctl_elem_value *ucontrol) | |
2855 | { | |
907fe36a | 2856 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
2857 | struct soc_mreg_control *mc = |
2858 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
2859 | unsigned int regbase = mc->regbase; |
2860 | unsigned int regcount = mc->regcount; | |
907fe36a | 2861 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
2862 | unsigned int regwmask = (1<<regwshift)-1; |
2863 | unsigned int invert = mc->invert; | |
2864 | unsigned long mask = (1UL<<mc->nbits)-1; | |
2865 | long min = mc->min; | |
2866 | long max = mc->max; | |
2867 | long val = 0; | |
907fe36a | 2868 | unsigned int regval; |
4183eed2 | 2869 | unsigned int i; |
907fe36a | 2870 | int ret; |
4183eed2 KK |
2871 | |
2872 | for (i = 0; i < regcount; i++) { | |
907fe36a LPC |
2873 | ret = snd_soc_component_read(component, regbase+i, ®val); |
2874 | if (ret) | |
2875 | return ret; | |
2876 | val |= (regval & regwmask) << (regwshift*(regcount-i-1)); | |
4183eed2 KK |
2877 | } |
2878 | val &= mask; | |
2879 | if (min < 0 && val > max) | |
2880 | val |= ~mask; | |
2881 | if (invert) | |
2882 | val = max - val; | |
2883 | ucontrol->value.integer.value[0] = val; | |
2884 | ||
2885 | return 0; | |
2886 | } | |
2887 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
2888 | ||
2889 | /** | |
2890 | * snd_soc_put_xr_sx - signed multi register get callback | |
2891 | * @kcontrol: mreg control | |
2892 | * @ucontrol: control element information | |
2893 | * | |
2894 | * Callback to set the value of a control that can span | |
2895 | * multiple codec registers which together forms a single | |
2896 | * signed value in a MSB/LSB manner. The control supports | |
2897 | * specifying total no of bits used to allow for bitfields | |
2898 | * across the multiple codec registers. | |
2899 | * | |
2900 | * Returns 0 for success. | |
2901 | */ | |
2902 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
2903 | struct snd_ctl_elem_value *ucontrol) | |
2904 | { | |
907fe36a | 2905 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
2906 | struct soc_mreg_control *mc = |
2907 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
2908 | unsigned int regbase = mc->regbase; |
2909 | unsigned int regcount = mc->regcount; | |
907fe36a | 2910 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
2911 | unsigned int regwmask = (1<<regwshift)-1; |
2912 | unsigned int invert = mc->invert; | |
2913 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
2914 | long max = mc->max; |
2915 | long val = ucontrol->value.integer.value[0]; | |
2916 | unsigned int i, regval, regmask; | |
2917 | int err; | |
2918 | ||
2919 | if (invert) | |
2920 | val = max - val; | |
2921 | val &= mask; | |
2922 | for (i = 0; i < regcount; i++) { | |
2923 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
2924 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
907fe36a | 2925 | err = snd_soc_component_update_bits(component, regbase+i, |
4183eed2 KK |
2926 | regmask, regval); |
2927 | if (err < 0) | |
2928 | return err; | |
2929 | } | |
2930 | ||
2931 | return 0; | |
2932 | } | |
2933 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
2934 | ||
dd7b10b3 KK |
2935 | /** |
2936 | * snd_soc_get_strobe - strobe get callback | |
2937 | * @kcontrol: mixer control | |
2938 | * @ucontrol: control element information | |
2939 | * | |
2940 | * Callback get the value of a strobe mixer control. | |
2941 | * | |
2942 | * Returns 0 for success. | |
2943 | */ | |
2944 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
2945 | struct snd_ctl_elem_value *ucontrol) | |
2946 | { | |
907fe36a | 2947 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
2948 | struct soc_mixer_control *mc = |
2949 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
2950 | unsigned int reg = mc->reg; |
2951 | unsigned int shift = mc->shift; | |
2952 | unsigned int mask = 1 << shift; | |
2953 | unsigned int invert = mc->invert != 0; | |
907fe36a LPC |
2954 | unsigned int val; |
2955 | int ret; | |
2956 | ||
2957 | ret = snd_soc_component_read(component, reg, &val); | |
2958 | if (ret) | |
2959 | return ret; | |
2960 | ||
2961 | val &= mask; | |
dd7b10b3 KK |
2962 | |
2963 | if (shift != 0 && val != 0) | |
2964 | val = val >> shift; | |
2965 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
2966 | ||
2967 | return 0; | |
2968 | } | |
2969 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
2970 | ||
2971 | /** | |
2972 | * snd_soc_put_strobe - strobe put callback | |
2973 | * @kcontrol: mixer control | |
2974 | * @ucontrol: control element information | |
2975 | * | |
2976 | * Callback strobe a register bit to high then low (or the inverse) | |
2977 | * in one pass of a single mixer enum control. | |
2978 | * | |
2979 | * Returns 1 for success. | |
2980 | */ | |
2981 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
2982 | struct snd_ctl_elem_value *ucontrol) | |
2983 | { | |
907fe36a | 2984 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
2985 | struct soc_mixer_control *mc = |
2986 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
2987 | unsigned int reg = mc->reg; |
2988 | unsigned int shift = mc->shift; | |
2989 | unsigned int mask = 1 << shift; | |
2990 | unsigned int invert = mc->invert != 0; | |
2991 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
2992 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
2993 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
2994 | int err; | |
2995 | ||
907fe36a | 2996 | err = snd_soc_component_update_bits(component, reg, mask, val1); |
dd7b10b3 KK |
2997 | if (err < 0) |
2998 | return err; | |
2999 | ||
907fe36a | 3000 | return snd_soc_component_update_bits(component, reg, mask, val2); |
dd7b10b3 KK |
3001 | } |
3002 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3003 | ||
8c6529db LG |
3004 | /** |
3005 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3006 | * @dai: DAI | |
3007 | * @clk_id: DAI specific clock ID | |
3008 | * @freq: new clock frequency in Hz | |
3009 | * @dir: new clock direction - input/output. | |
3010 | * | |
3011 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3012 | */ | |
3013 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3014 | unsigned int freq, int dir) | |
3015 | { | |
f0fba2ad LG |
3016 | if (dai->driver && dai->driver->ops->set_sysclk) |
3017 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3018 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3019 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3020 | freq, dir); |
8c6529db | 3021 | else |
1104a9c8 | 3022 | return -ENOTSUPP; |
8c6529db LG |
3023 | } |
3024 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3025 | ||
ec4ee52a MB |
3026 | /** |
3027 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3028 | * @codec: CODEC | |
3029 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3030 | * @source: Source for the clock |
ec4ee52a MB |
3031 | * @freq: new clock frequency in Hz |
3032 | * @dir: new clock direction - input/output. | |
3033 | * | |
3034 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3035 | */ | |
3036 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3037 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3038 | { |
3039 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3040 | return codec->driver->set_sysclk(codec, clk_id, source, |
3041 | freq, dir); | |
ec4ee52a | 3042 | else |
1104a9c8 | 3043 | return -ENOTSUPP; |
ec4ee52a MB |
3044 | } |
3045 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3046 | ||
8c6529db LG |
3047 | /** |
3048 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3049 | * @dai: DAI | |
ac11a2b3 | 3050 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3051 | * @div: new clock divisor. |
3052 | * | |
3053 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3054 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3055 | * and frame clocks as low as possible to save system power. | |
3056 | */ | |
3057 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3058 | int div_id, int div) | |
3059 | { | |
f0fba2ad LG |
3060 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3061 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3062 | else |
3063 | return -EINVAL; | |
3064 | } | |
3065 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3066 | ||
3067 | /** | |
3068 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3069 | * @dai: DAI | |
3070 | * @pll_id: DAI specific PLL ID | |
85488037 | 3071 | * @source: DAI specific source for the PLL |
8c6529db LG |
3072 | * @freq_in: PLL input clock frequency in Hz |
3073 | * @freq_out: requested PLL output clock frequency in Hz | |
3074 | * | |
3075 | * Configures and enables PLL to generate output clock based on input clock. | |
3076 | */ | |
85488037 MB |
3077 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3078 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3079 | { |
f0fba2ad LG |
3080 | if (dai->driver && dai->driver->ops->set_pll) |
3081 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3082 | freq_in, freq_out); |
ec4ee52a MB |
3083 | else if (dai->codec && dai->codec->driver->set_pll) |
3084 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3085 | freq_in, freq_out); | |
8c6529db LG |
3086 | else |
3087 | return -EINVAL; | |
3088 | } | |
3089 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3090 | ||
ec4ee52a MB |
3091 | /* |
3092 | * snd_soc_codec_set_pll - configure codec PLL. | |
3093 | * @codec: CODEC | |
3094 | * @pll_id: DAI specific PLL ID | |
3095 | * @source: DAI specific source for the PLL | |
3096 | * @freq_in: PLL input clock frequency in Hz | |
3097 | * @freq_out: requested PLL output clock frequency in Hz | |
3098 | * | |
3099 | * Configures and enables PLL to generate output clock based on input clock. | |
3100 | */ | |
3101 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3102 | unsigned int freq_in, unsigned int freq_out) | |
3103 | { | |
3104 | if (codec->driver->set_pll) | |
3105 | return codec->driver->set_pll(codec, pll_id, source, | |
3106 | freq_in, freq_out); | |
3107 | else | |
3108 | return -EINVAL; | |
3109 | } | |
3110 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3111 | ||
e54cf76b LG |
3112 | /** |
3113 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3114 | * @dai: DAI | |
3115 | * @ratio Ratio of BCLK to Sample rate. | |
3116 | * | |
3117 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3118 | */ | |
3119 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3120 | { | |
3121 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3122 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3123 | else | |
3124 | return -EINVAL; | |
3125 | } | |
3126 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3127 | ||
8c6529db LG |
3128 | /** |
3129 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3130 | * @dai: DAI | |
8c6529db LG |
3131 | * @fmt: SND_SOC_DAIFMT_ format value. |
3132 | * | |
3133 | * Configures the DAI hardware format and clocking. | |
3134 | */ | |
3135 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3136 | { | |
5e4ba569 | 3137 | if (dai->driver == NULL) |
8c6529db | 3138 | return -EINVAL; |
5e4ba569 SG |
3139 | if (dai->driver->ops->set_fmt == NULL) |
3140 | return -ENOTSUPP; | |
3141 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3142 | } |
3143 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3144 | ||
89c67857 | 3145 | /** |
e5c21514 | 3146 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3147 | * @slots: Number of slots in use. |
3148 | * @tx_mask: bitmask representing active TX slots. | |
3149 | * @rx_mask: bitmask representing active RX slots. | |
3150 | * | |
3151 | * Generates the TDM tx and rx slot default masks for DAI. | |
3152 | */ | |
e5c21514 | 3153 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3154 | unsigned int *tx_mask, |
3155 | unsigned int *rx_mask) | |
3156 | { | |
3157 | if (*tx_mask || *rx_mask) | |
3158 | return 0; | |
3159 | ||
3160 | if (!slots) | |
3161 | return -EINVAL; | |
3162 | ||
3163 | *tx_mask = (1 << slots) - 1; | |
3164 | *rx_mask = (1 << slots) - 1; | |
3165 | ||
3166 | return 0; | |
3167 | } | |
3168 | ||
8c6529db LG |
3169 | /** |
3170 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3171 | * @dai: DAI | |
a5479e38 DR |
3172 | * @tx_mask: bitmask representing active TX slots. |
3173 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3174 | * @slots: Number of slots in use. |
a5479e38 | 3175 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3176 | * |
3177 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3178 | * specific. | |
3179 | */ | |
3180 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3181 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3182 | { |
e5c21514 XL |
3183 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3184 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3185 | &tx_mask, &rx_mask); |
3186 | else | |
e5c21514 | 3187 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3188 | |
88bd870f BC |
3189 | dai->tx_mask = tx_mask; |
3190 | dai->rx_mask = rx_mask; | |
3191 | ||
f0fba2ad LG |
3192 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3193 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3194 | slots, slot_width); |
8c6529db | 3195 | else |
b2cbb6e1 | 3196 | return -ENOTSUPP; |
8c6529db LG |
3197 | } |
3198 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3199 | ||
472df3cb BS |
3200 | /** |
3201 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3202 | * @dai: DAI | |
3203 | * @tx_num: how many TX channels | |
3204 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3205 | * 0~num-1 uses | |
3206 | * @rx_num: how many RX channels | |
3207 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3208 | * 0~num-1 uses | |
3209 | * | |
3210 | * configure the relationship between channel number and TDM slot number. | |
3211 | */ | |
3212 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3213 | unsigned int tx_num, unsigned int *tx_slot, | |
3214 | unsigned int rx_num, unsigned int *rx_slot) | |
3215 | { | |
f0fba2ad LG |
3216 | if (dai->driver && dai->driver->ops->set_channel_map) |
3217 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3218 | rx_num, rx_slot); |
3219 | else | |
3220 | return -EINVAL; | |
3221 | } | |
3222 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3223 | ||
8c6529db LG |
3224 | /** |
3225 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3226 | * @dai: DAI | |
3227 | * @tristate: tristate enable | |
3228 | * | |
3229 | * Tristates the DAI so that others can use it. | |
3230 | */ | |
3231 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3232 | { | |
f0fba2ad LG |
3233 | if (dai->driver && dai->driver->ops->set_tristate) |
3234 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3235 | else |
3236 | return -EINVAL; | |
3237 | } | |
3238 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3239 | ||
3240 | /** | |
3241 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3242 | * @dai: DAI | |
3243 | * @mute: mute enable | |
da18396f | 3244 | * @direction: stream to mute |
8c6529db LG |
3245 | * |
3246 | * Mutes the DAI DAC. | |
3247 | */ | |
da18396f MB |
3248 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3249 | int direction) | |
8c6529db | 3250 | { |
da18396f MB |
3251 | if (!dai->driver) |
3252 | return -ENOTSUPP; | |
3253 | ||
3254 | if (dai->driver->ops->mute_stream) | |
3255 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3256 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3257 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3258 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3259 | else |
04570c62 | 3260 | return -ENOTSUPP; |
8c6529db LG |
3261 | } |
3262 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3263 | ||
88bd870f BC |
3264 | static int snd_soc_init_multicodec(struct snd_soc_card *card, |
3265 | struct snd_soc_dai_link *dai_link) | |
3266 | { | |
3267 | /* Legacy codec/codec_dai link is a single entry in multicodec */ | |
3268 | if (dai_link->codec_name || dai_link->codec_of_node || | |
3269 | dai_link->codec_dai_name) { | |
3270 | dai_link->num_codecs = 1; | |
3271 | ||
3272 | dai_link->codecs = devm_kzalloc(card->dev, | |
3273 | sizeof(struct snd_soc_dai_link_component), | |
3274 | GFP_KERNEL); | |
3275 | if (!dai_link->codecs) | |
3276 | return -ENOMEM; | |
3277 | ||
3278 | dai_link->codecs[0].name = dai_link->codec_name; | |
3279 | dai_link->codecs[0].of_node = dai_link->codec_of_node; | |
3280 | dai_link->codecs[0].dai_name = dai_link->codec_dai_name; | |
3281 | } | |
3282 | ||
3283 | if (!dai_link->codecs) { | |
3284 | dev_err(card->dev, "ASoC: DAI link has no CODECs\n"); | |
3285 | return -EINVAL; | |
3286 | } | |
3287 | ||
3288 | return 0; | |
3289 | } | |
3290 | ||
c5af3a2e MB |
3291 | /** |
3292 | * snd_soc_register_card - Register a card with the ASoC core | |
3293 | * | |
ac11a2b3 | 3294 | * @card: Card to register |
c5af3a2e | 3295 | * |
c5af3a2e | 3296 | */ |
70a7ca34 | 3297 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3298 | { |
88bd870f | 3299 | int i, j, ret; |
f0fba2ad | 3300 | |
c5af3a2e MB |
3301 | if (!card->name || !card->dev) |
3302 | return -EINVAL; | |
3303 | ||
5a504963 SW |
3304 | for (i = 0; i < card->num_links; i++) { |
3305 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3306 | ||
88bd870f BC |
3307 | ret = snd_soc_init_multicodec(card, link); |
3308 | if (ret) { | |
3309 | dev_err(card->dev, "ASoC: failed to init multicodec\n"); | |
3310 | return ret; | |
5a504963 | 3311 | } |
88bd870f BC |
3312 | |
3313 | for (j = 0; j < link->num_codecs; j++) { | |
3314 | /* | |
3315 | * Codec must be specified by 1 of name or OF node, | |
3316 | * not both or neither. | |
3317 | */ | |
3318 | if (!!link->codecs[j].name == | |
3319 | !!link->codecs[j].of_node) { | |
3320 | dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3321 | link->name); | |
3322 | return -EINVAL; | |
3323 | } | |
3324 | /* Codec DAI name must be specified */ | |
3325 | if (!link->codecs[j].dai_name) { | |
3326 | dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", | |
3327 | link->name); | |
3328 | return -EINVAL; | |
3329 | } | |
bc92657a | 3330 | } |
5a504963 SW |
3331 | |
3332 | /* | |
3333 | * Platform may be specified by either name or OF node, but | |
3334 | * can be left unspecified, and a dummy platform will be used. | |
3335 | */ | |
3336 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3337 | dev_err(card->dev, |
3338 | "ASoC: Both platform name/of_node are set for %s\n", | |
3339 | link->name); | |
5a504963 SW |
3340 | return -EINVAL; |
3341 | } | |
3342 | ||
3343 | /* | |
bc92657a SW |
3344 | * CPU device may be specified by either name or OF node, but |
3345 | * can be left unspecified, and will be matched based on DAI | |
3346 | * name alone.. | |
3347 | */ | |
3348 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3349 | dev_err(card->dev, |
3350 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3351 | link->name); | |
bc92657a SW |
3352 | return -EINVAL; |
3353 | } | |
3354 | /* | |
3355 | * At least one of CPU DAI name or CPU device name/node must be | |
3356 | * specified | |
5a504963 | 3357 | */ |
bc92657a SW |
3358 | if (!link->cpu_dai_name && |
3359 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3360 | dev_err(card->dev, |
3361 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3362 | link->name); | |
5a504963 SW |
3363 | return -EINVAL; |
3364 | } | |
3365 | } | |
3366 | ||
ed77cc12 MB |
3367 | dev_set_drvdata(card->dev, card); |
3368 | ||
111c6419 SW |
3369 | snd_soc_initialize_card_lists(card); |
3370 | ||
150dd2f8 VK |
3371 | soc_init_card_debugfs(card); |
3372 | ||
181a6892 MB |
3373 | card->rtd = devm_kzalloc(card->dev, |
3374 | sizeof(struct snd_soc_pcm_runtime) * | |
3375 | (card->num_links + card->num_aux_devs), | |
3376 | GFP_KERNEL); | |
f0fba2ad LG |
3377 | if (card->rtd == NULL) |
3378 | return -ENOMEM; | |
a7dbb603 | 3379 | card->num_rtd = 0; |
2eea392d | 3380 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad | 3381 | |
5f3484ac LPC |
3382 | for (i = 0; i < card->num_links; i++) { |
3383 | card->rtd[i].card = card; | |
f0fba2ad | 3384 | card->rtd[i].dai_link = &card->dai_link[i]; |
88bd870f BC |
3385 | card->rtd[i].codec_dais = devm_kzalloc(card->dev, |
3386 | sizeof(struct snd_soc_dai *) * | |
3387 | (card->rtd[i].dai_link->num_codecs), | |
3388 | GFP_KERNEL); | |
3389 | if (card->rtd[i].codec_dais == NULL) | |
3390 | return -ENOMEM; | |
5f3484ac LPC |
3391 | } |
3392 | ||
3393 | for (i = 0; i < card->num_aux_devs; i++) | |
3394 | card->rtd_aux[i].card = card; | |
f0fba2ad | 3395 | |
db432b41 | 3396 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3397 | card->instantiated = 0; |
f0fba2ad | 3398 | mutex_init(&card->mutex); |
a73fb2df | 3399 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3400 | |
b19e6e7b MB |
3401 | ret = snd_soc_instantiate_card(card); |
3402 | if (ret != 0) | |
3403 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3404 | |
988e8cc4 NC |
3405 | /* deactivate pins to sleep state */ |
3406 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
3407 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
3408 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
3409 | int j; | |
3410 | ||
3411 | for (j = 0; j < rtd->num_codecs; j++) { | |
3412 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
3413 | if (!codec_dai->active) | |
3414 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3415 | } | |
3416 | ||
988e8cc4 NC |
3417 | if (!cpu_dai->active) |
3418 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3419 | } | |
3420 | ||
b19e6e7b | 3421 | return ret; |
c5af3a2e | 3422 | } |
70a7ca34 | 3423 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3424 | |
3425 | /** | |
3426 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3427 | * | |
ac11a2b3 | 3428 | * @card: Card to unregister |
c5af3a2e | 3429 | * |
c5af3a2e | 3430 | */ |
70a7ca34 | 3431 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3432 | { |
01e0df66 LPC |
3433 | if (card->instantiated) { |
3434 | card->instantiated = false; | |
1c325f77 | 3435 | snd_soc_dapm_shutdown(card); |
b0e26485 | 3436 | soc_cleanup_card_resources(card); |
01e0df66 | 3437 | } |
f110bfc7 | 3438 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3439 | |
3440 | return 0; | |
3441 | } | |
70a7ca34 | 3442 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3443 | |
f0fba2ad LG |
3444 | /* |
3445 | * Simplify DAI link configuration by removing ".-1" from device names | |
3446 | * and sanitizing names. | |
3447 | */ | |
0b9a214a | 3448 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3449 | { |
3450 | char *found, name[NAME_SIZE]; | |
3451 | int id1, id2; | |
3452 | ||
3453 | if (dev_name(dev) == NULL) | |
3454 | return NULL; | |
3455 | ||
58818a77 | 3456 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3457 | |
3458 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3459 | found = strstr(name, dev->driver->name); | |
3460 | if (found) { | |
3461 | /* get ID */ | |
3462 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3463 | ||
3464 | /* discard ID from name if ID == -1 */ | |
3465 | if (*id == -1) | |
3466 | found[strlen(dev->driver->name)] = '\0'; | |
3467 | } | |
3468 | ||
3469 | } else { | |
3470 | /* I2C component devices are named "bus-addr" */ | |
3471 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3472 | char tmp[NAME_SIZE]; | |
3473 | ||
3474 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3475 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3476 | |
3477 | /* sanitize component name for DAI link creation */ | |
3478 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3479 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3480 | } else |
3481 | *id = 0; | |
3482 | } | |
3483 | ||
3484 | return kstrdup(name, GFP_KERNEL); | |
3485 | } | |
3486 | ||
3487 | /* | |
3488 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3489 | * any ".-1" and using the DAI name (instead of device name). | |
3490 | */ | |
3491 | static inline char *fmt_multiple_name(struct device *dev, | |
3492 | struct snd_soc_dai_driver *dai_drv) | |
3493 | { | |
3494 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3495 | dev_err(dev, |
3496 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3497 | dev_name(dev)); | |
f0fba2ad LG |
3498 | return NULL; |
3499 | } | |
3500 | ||
3501 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3502 | } | |
3503 | ||
9115171a | 3504 | /** |
32c9ba54 | 3505 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3506 | * |
32c9ba54 | 3507 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3508 | */ |
32c9ba54 | 3509 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3510 | { |
5c1d5f09 | 3511 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3512 | |
5c1d5f09 | 3513 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3514 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3515 | dai->name); | |
5c1d5f09 | 3516 | list_del(&dai->list); |
32c9ba54 | 3517 | kfree(dai->name); |
f0fba2ad | 3518 | kfree(dai); |
f0fba2ad | 3519 | } |
9115171a | 3520 | } |
9115171a MB |
3521 | |
3522 | /** | |
32c9ba54 | 3523 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 3524 | * |
6106d129 LPC |
3525 | * @component: The component the DAIs are registered for |
3526 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 3527 | * @count: Number of DAIs |
32c9ba54 LPC |
3528 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
3529 | * parent's name. | |
9115171a | 3530 | */ |
6106d129 | 3531 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
3532 | struct snd_soc_dai_driver *dai_drv, size_t count, |
3533 | bool legacy_dai_naming) | |
9115171a | 3534 | { |
6106d129 | 3535 | struct device *dev = component->dev; |
f0fba2ad | 3536 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
3537 | unsigned int i; |
3538 | int ret; | |
f0fba2ad | 3539 | |
f110bfc7 | 3540 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 3541 | |
bb13109d LPC |
3542 | component->dai_drv = dai_drv; |
3543 | component->num_dai = count; | |
3544 | ||
9115171a | 3545 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
3546 | |
3547 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3548 | if (dai == NULL) { |
3549 | ret = -ENOMEM; | |
3550 | goto err; | |
3551 | } | |
f0fba2ad | 3552 | |
32c9ba54 LPC |
3553 | /* |
3554 | * Back in the old days when we still had component-less DAIs, | |
3555 | * instead of having a static name, component-less DAIs would | |
3556 | * inherit the name of the parent device so it is possible to | |
3557 | * register multiple instances of the DAI. We still need to keep | |
3558 | * the same naming style even though those DAIs are not | |
3559 | * component-less anymore. | |
3560 | */ | |
3561 | if (count == 1 && legacy_dai_naming) { | |
3562 | dai->name = fmt_single_name(dev, &dai->id); | |
3563 | } else { | |
3564 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3565 | if (dai_drv[i].id) | |
3566 | dai->id = dai_drv[i].id; | |
3567 | else | |
3568 | dai->id = i; | |
3569 | } | |
f0fba2ad LG |
3570 | if (dai->name == NULL) { |
3571 | kfree(dai); | |
32c9ba54 | 3572 | ret = -ENOMEM; |
9115171a | 3573 | goto err; |
f0fba2ad LG |
3574 | } |
3575 | ||
6106d129 | 3576 | dai->component = component; |
f0fba2ad | 3577 | dai->dev = dev; |
f0fba2ad LG |
3578 | dai->driver = &dai_drv[i]; |
3579 | if (!dai->driver->ops) | |
3580 | dai->driver->ops = &null_dai_ops; | |
3581 | ||
1438c2f6 | 3582 | list_add(&dai->list, &component->dai_list); |
054880fe | 3583 | |
32c9ba54 | 3584 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3585 | } |
3586 | ||
3587 | return 0; | |
3588 | ||
3589 | err: | |
32c9ba54 | 3590 | snd_soc_unregister_dais(component); |
9115171a MB |
3591 | |
3592 | return ret; | |
3593 | } | |
9115171a | 3594 | |
14e8bdeb LPC |
3595 | static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, |
3596 | enum snd_soc_dapm_type type, int subseq) | |
d191bd8d | 3597 | { |
14e8bdeb | 3598 | struct snd_soc_component *component = dapm->component; |
d191bd8d | 3599 | |
14e8bdeb LPC |
3600 | component->driver->seq_notifier(component, type, subseq); |
3601 | } | |
d191bd8d | 3602 | |
14e8bdeb LPC |
3603 | static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, |
3604 | int event) | |
3605 | { | |
3606 | struct snd_soc_component *component = dapm->component; | |
d191bd8d | 3607 | |
14e8bdeb LPC |
3608 | return component->driver->stream_event(component, event); |
3609 | } | |
e2c330b9 | 3610 | |
bb13109d LPC |
3611 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
3612 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 3613 | { |
ce0fc93a LPC |
3614 | struct snd_soc_dapm_context *dapm; |
3615 | ||
bb13109d LPC |
3616 | component->name = fmt_single_name(dev, &component->id); |
3617 | if (!component->name) { | |
3618 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
3619 | return -ENOMEM; |
3620 | } | |
3621 | ||
bb13109d LPC |
3622 | component->dev = dev; |
3623 | component->driver = driver; | |
61aca564 LPC |
3624 | component->probe = component->driver->probe; |
3625 | component->remove = component->driver->remove; | |
d191bd8d | 3626 | |
ce0fc93a LPC |
3627 | if (!component->dapm_ptr) |
3628 | component->dapm_ptr = &component->dapm; | |
3629 | ||
3630 | dapm = component->dapm_ptr; | |
3631 | dapm->dev = dev; | |
3632 | dapm->component = component; | |
3633 | dapm->bias_level = SND_SOC_BIAS_OFF; | |
5819c2fa | 3634 | dapm->idle_bias_off = true; |
14e8bdeb LPC |
3635 | if (driver->seq_notifier) |
3636 | dapm->seq_notifier = snd_soc_component_seq_notifier; | |
3637 | if (driver->stream_event) | |
3638 | dapm->stream_event = snd_soc_component_stream_event; | |
d191bd8d | 3639 | |
61aca564 LPC |
3640 | component->controls = driver->controls; |
3641 | component->num_controls = driver->num_controls; | |
3642 | component->dapm_widgets = driver->dapm_widgets; | |
3643 | component->num_dapm_widgets = driver->num_dapm_widgets; | |
3644 | component->dapm_routes = driver->dapm_routes; | |
3645 | component->num_dapm_routes = driver->num_dapm_routes; | |
3646 | ||
bb13109d LPC |
3647 | INIT_LIST_HEAD(&component->dai_list); |
3648 | mutex_init(&component->io_mutex); | |
d191bd8d | 3649 | |
bb13109d LPC |
3650 | return 0; |
3651 | } | |
d191bd8d | 3652 | |
886f5692 LPC |
3653 | static void snd_soc_component_init_regmap(struct snd_soc_component *component) |
3654 | { | |
3655 | if (!component->regmap) | |
3656 | component->regmap = dev_get_regmap(component->dev, NULL); | |
3657 | if (component->regmap) { | |
3658 | int val_bytes = regmap_get_val_bytes(component->regmap); | |
3659 | /* Errors are legitimate for non-integer byte multiples */ | |
3660 | if (val_bytes > 0) | |
3661 | component->val_bytes = val_bytes; | |
3662 | } | |
3663 | } | |
3664 | ||
bb13109d LPC |
3665 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
3666 | { | |
886f5692 LPC |
3667 | if (!component->write && !component->read) |
3668 | snd_soc_component_init_regmap(component); | |
3669 | ||
bb13109d LPC |
3670 | list_add(&component->list, &component_list); |
3671 | } | |
d191bd8d | 3672 | |
bb13109d LPC |
3673 | static void snd_soc_component_add(struct snd_soc_component *component) |
3674 | { | |
d191bd8d | 3675 | mutex_lock(&client_mutex); |
bb13109d | 3676 | snd_soc_component_add_unlocked(component); |
d191bd8d | 3677 | mutex_unlock(&client_mutex); |
bb13109d | 3678 | } |
d191bd8d | 3679 | |
bb13109d LPC |
3680 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
3681 | { | |
3682 | snd_soc_unregister_dais(component); | |
3683 | kfree(component->name); | |
3684 | } | |
d191bd8d | 3685 | |
bb13109d LPC |
3686 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
3687 | { | |
3688 | list_del(&component->list); | |
3689 | } | |
d191bd8d | 3690 | |
bb13109d LPC |
3691 | static void snd_soc_component_del(struct snd_soc_component *component) |
3692 | { | |
3693 | mutex_lock(&client_mutex); | |
3694 | snd_soc_component_del_unlocked(component); | |
3695 | mutex_unlock(&client_mutex); | |
d191bd8d KM |
3696 | } |
3697 | ||
3698 | int snd_soc_register_component(struct device *dev, | |
3699 | const struct snd_soc_component_driver *cmpnt_drv, | |
3700 | struct snd_soc_dai_driver *dai_drv, | |
3701 | int num_dai) | |
3702 | { | |
3703 | struct snd_soc_component *cmpnt; | |
bb13109d | 3704 | int ret; |
d191bd8d | 3705 | |
bb13109d | 3706 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
3707 | if (!cmpnt) { |
3708 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
3709 | return -ENOMEM; | |
3710 | } | |
3711 | ||
bb13109d LPC |
3712 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
3713 | if (ret) | |
3714 | goto err_free; | |
3715 | ||
3d59400f | 3716 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 3717 | cmpnt->registered_as_component = true; |
3d59400f | 3718 | |
bb13109d LPC |
3719 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
3720 | if (ret < 0) { | |
3721 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
3722 | goto err_cleanup; | |
3723 | } | |
d191bd8d | 3724 | |
bb13109d | 3725 | snd_soc_component_add(cmpnt); |
4da53393 | 3726 | |
bb13109d | 3727 | return 0; |
4da53393 | 3728 | |
bb13109d LPC |
3729 | err_cleanup: |
3730 | snd_soc_component_cleanup(cmpnt); | |
3731 | err_free: | |
3732 | kfree(cmpnt); | |
3733 | return ret; | |
4da53393 | 3734 | } |
bb13109d | 3735 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 3736 | |
d191bd8d KM |
3737 | /** |
3738 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
3739 | * | |
3740 | */ | |
3741 | void snd_soc_unregister_component(struct device *dev) | |
3742 | { | |
3743 | struct snd_soc_component *cmpnt; | |
3744 | ||
3745 | list_for_each_entry(cmpnt, &component_list, list) { | |
98e639fb | 3746 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
3747 | goto found; |
3748 | } | |
3749 | return; | |
3750 | ||
3751 | found: | |
bb13109d LPC |
3752 | snd_soc_component_del(cmpnt); |
3753 | snd_soc_component_cleanup(cmpnt); | |
3754 | kfree(cmpnt); | |
d191bd8d KM |
3755 | } |
3756 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 3757 | |
f1d45cc3 | 3758 | static int snd_soc_platform_drv_probe(struct snd_soc_component *component) |
e2c330b9 LPC |
3759 | { |
3760 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
d191bd8d | 3761 | |
f1d45cc3 | 3762 | return platform->driver->probe(platform); |
e2c330b9 LPC |
3763 | } |
3764 | ||
f1d45cc3 | 3765 | static void snd_soc_platform_drv_remove(struct snd_soc_component *component) |
e2c330b9 LPC |
3766 | { |
3767 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
3768 | ||
f1d45cc3 | 3769 | platform->driver->remove(platform); |
d191bd8d | 3770 | } |
d191bd8d | 3771 | |
12a48a8c | 3772 | /** |
71a45cda LPC |
3773 | * snd_soc_add_platform - Add a platform to the ASoC core |
3774 | * @dev: The parent device for the platform | |
3775 | * @platform: The platform to add | |
3776 | * @platform_driver: The driver for the platform | |
12a48a8c | 3777 | */ |
71a45cda | 3778 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 3779 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 3780 | { |
b37f1d12 LPC |
3781 | int ret; |
3782 | ||
bb13109d LPC |
3783 | ret = snd_soc_component_initialize(&platform->component, |
3784 | &platform_drv->component_driver, dev); | |
3785 | if (ret) | |
3786 | return ret; | |
12a48a8c | 3787 | |
f0fba2ad LG |
3788 | platform->dev = dev; |
3789 | platform->driver = platform_drv; | |
f1d45cc3 LPC |
3790 | |
3791 | if (platform_drv->probe) | |
3792 | platform->component.probe = snd_soc_platform_drv_probe; | |
3793 | if (platform_drv->remove) | |
3794 | platform->component.remove = snd_soc_platform_drv_remove; | |
12a48a8c | 3795 | |
81c7cfd1 LPC |
3796 | #ifdef CONFIG_DEBUG_FS |
3797 | platform->component.debugfs_prefix = "platform"; | |
3798 | #endif | |
12a48a8c MB |
3799 | |
3800 | mutex_lock(&client_mutex); | |
bb13109d | 3801 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
3802 | list_add(&platform->list, &platform_list); |
3803 | mutex_unlock(&client_mutex); | |
3804 | ||
f4333203 LPC |
3805 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
3806 | platform->component.name); | |
12a48a8c MB |
3807 | |
3808 | return 0; | |
3809 | } | |
71a45cda | 3810 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
3811 | |
3812 | /** | |
71a45cda | 3813 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 3814 | * |
71a45cda | 3815 | * @platform: platform to register |
12a48a8c | 3816 | */ |
71a45cda LPC |
3817 | int snd_soc_register_platform(struct device *dev, |
3818 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 3819 | { |
f0fba2ad | 3820 | struct snd_soc_platform *platform; |
71a45cda | 3821 | int ret; |
f0fba2ad | 3822 | |
71a45cda | 3823 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 3824 | |
71a45cda LPC |
3825 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
3826 | if (platform == NULL) | |
3827 | return -ENOMEM; | |
3828 | ||
3829 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
3830 | if (ret) | |
3831 | kfree(platform); | |
3832 | ||
3833 | return ret; | |
3834 | } | |
3835 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
3836 | ||
3837 | /** | |
3838 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
3839 | * @platform: the platform to remove | |
3840 | */ | |
3841 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
3842 | { | |
b37f1d12 | 3843 | |
12a48a8c MB |
3844 | mutex_lock(&client_mutex); |
3845 | list_del(&platform->list); | |
bb13109d | 3846 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
3847 | mutex_unlock(&client_mutex); |
3848 | ||
71a45cda | 3849 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 3850 | platform->component.name); |
decc27b0 DM |
3851 | |
3852 | snd_soc_component_cleanup(&platform->component); | |
71a45cda LPC |
3853 | } |
3854 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
3855 | ||
3856 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
3857 | { | |
3858 | struct snd_soc_platform *platform; | |
3859 | ||
3860 | list_for_each_entry(platform, &platform_list, list) { | |
3861 | if (dev == platform->dev) | |
3862 | return platform; | |
3863 | } | |
3864 | ||
3865 | return NULL; | |
3866 | } | |
3867 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
3868 | ||
3869 | /** | |
3870 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
3871 | * | |
3872 | * @platform: platform to unregister | |
3873 | */ | |
3874 | void snd_soc_unregister_platform(struct device *dev) | |
3875 | { | |
3876 | struct snd_soc_platform *platform; | |
3877 | ||
3878 | platform = snd_soc_lookup_platform(dev); | |
3879 | if (!platform) | |
3880 | return; | |
3881 | ||
3882 | snd_soc_remove_platform(platform); | |
f0fba2ad | 3883 | kfree(platform); |
12a48a8c MB |
3884 | } |
3885 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
3886 | ||
151ab22c MB |
3887 | static u64 codec_format_map[] = { |
3888 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
3889 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
3890 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
3891 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
3892 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
3893 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
3894 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
3895 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
3896 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
3897 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
3898 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
3899 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
3900 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
3901 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
3902 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
3903 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
3904 | }; | |
3905 | ||
3906 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
3907 | * the endianness of the data but we're using the CPU format | |
3908 | * definitions which do need to include endianness so we ensure that | |
3909 | * codec DAIs always have both big and little endian variants set. | |
3910 | */ | |
3911 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
3912 | { | |
3913 | int i; | |
3914 | ||
3915 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
3916 | if (stream->formats & codec_format_map[i]) | |
3917 | stream->formats |= codec_format_map[i]; | |
3918 | } | |
3919 | ||
f1d45cc3 LPC |
3920 | static int snd_soc_codec_drv_probe(struct snd_soc_component *component) |
3921 | { | |
3922 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3923 | ||
3924 | return codec->driver->probe(codec); | |
3925 | } | |
3926 | ||
3927 | static void snd_soc_codec_drv_remove(struct snd_soc_component *component) | |
3928 | { | |
3929 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3930 | ||
3931 | codec->driver->remove(codec); | |
3932 | } | |
3933 | ||
e2c330b9 LPC |
3934 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
3935 | unsigned int reg, unsigned int val) | |
3936 | { | |
3937 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3938 | ||
3939 | return codec->driver->write(codec, reg, val); | |
3940 | } | |
3941 | ||
3942 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
3943 | unsigned int reg, unsigned int *val) | |
3944 | { | |
3945 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3946 | ||
3947 | *val = codec->driver->read(codec, reg); | |
3948 | ||
3949 | return 0; | |
3950 | } | |
3951 | ||
68f831c2 LPC |
3952 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
3953 | enum snd_soc_bias_level level) | |
3954 | { | |
3955 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
3956 | ||
3957 | return codec->driver->set_bias_level(codec, level); | |
3958 | } | |
3959 | ||
0d0cf00a MB |
3960 | /** |
3961 | * snd_soc_register_codec - Register a codec with the ASoC core | |
3962 | * | |
ac11a2b3 | 3963 | * @codec: codec to register |
0d0cf00a | 3964 | */ |
f0fba2ad | 3965 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
3966 | const struct snd_soc_codec_driver *codec_drv, |
3967 | struct snd_soc_dai_driver *dai_drv, | |
3968 | int num_dai) | |
0d0cf00a | 3969 | { |
f0fba2ad | 3970 | struct snd_soc_codec *codec; |
bb13109d | 3971 | struct snd_soc_dai *dai; |
f0fba2ad | 3972 | int ret, i; |
151ab22c | 3973 | |
f0fba2ad LG |
3974 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
3975 | ||
3976 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
3977 | if (codec == NULL) | |
3978 | return -ENOMEM; | |
0d0cf00a | 3979 | |
ce0fc93a | 3980 | codec->component.dapm_ptr = &codec->dapm; |
f1d45cc3 | 3981 | codec->component.codec = codec; |
ce0fc93a | 3982 | |
bb13109d LPC |
3983 | ret = snd_soc_component_initialize(&codec->component, |
3984 | &codec_drv->component_driver, dev); | |
3985 | if (ret) | |
3986 | goto err_free; | |
f0fba2ad | 3987 | |
f1d45cc3 LPC |
3988 | if (codec_drv->controls) { |
3989 | codec->component.controls = codec_drv->controls; | |
3990 | codec->component.num_controls = codec_drv->num_controls; | |
3991 | } | |
3992 | if (codec_drv->dapm_widgets) { | |
3993 | codec->component.dapm_widgets = codec_drv->dapm_widgets; | |
3994 | codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets; | |
3995 | } | |
3996 | if (codec_drv->dapm_routes) { | |
3997 | codec->component.dapm_routes = codec_drv->dapm_routes; | |
3998 | codec->component.num_dapm_routes = codec_drv->num_dapm_routes; | |
3999 | } | |
4000 | ||
4001 | if (codec_drv->probe) | |
4002 | codec->component.probe = snd_soc_codec_drv_probe; | |
4003 | if (codec_drv->remove) | |
4004 | codec->component.remove = snd_soc_codec_drv_remove; | |
e2c330b9 LPC |
4005 | if (codec_drv->write) |
4006 | codec->component.write = snd_soc_codec_drv_write; | |
4007 | if (codec_drv->read) | |
4008 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 4009 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
5819c2fa | 4010 | codec->dapm.idle_bias_off = codec_drv->idle_bias_off; |
86dbf2ac | 4011 | codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off; |
14e8bdeb LPC |
4012 | if (codec_drv->seq_notifier) |
4013 | codec->dapm.seq_notifier = codec_drv->seq_notifier; | |
68f831c2 LPC |
4014 | if (codec_drv->set_bias_level) |
4015 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
4016 | codec->dev = dev; |
4017 | codec->driver = codec_drv; | |
e2c330b9 | 4018 | codec->component.val_bytes = codec_drv->reg_word_size; |
7a30a3db | 4019 | mutex_init(&codec->mutex); |
ce6120cc | 4020 | |
81c7cfd1 LPC |
4021 | #ifdef CONFIG_DEBUG_FS |
4022 | codec->component.init_debugfs = soc_init_codec_debugfs; | |
4023 | codec->component.debugfs_prefix = "codec"; | |
4024 | #endif | |
4025 | ||
886f5692 LPC |
4026 | if (codec_drv->get_regmap) |
4027 | codec->component.regmap = codec_drv->get_regmap(dev); | |
a39f75f7 | 4028 | |
f0fba2ad LG |
4029 | for (i = 0; i < num_dai; i++) { |
4030 | fixup_codec_formats(&dai_drv[i].playback); | |
4031 | fixup_codec_formats(&dai_drv[i].capture); | |
4032 | } | |
4033 | ||
bb13109d | 4034 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
5acd7dfb | 4035 | if (ret < 0) { |
bb13109d LPC |
4036 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); |
4037 | goto err_cleanup; | |
26b01ccd | 4038 | } |
f0fba2ad | 4039 | |
bb13109d LPC |
4040 | list_for_each_entry(dai, &codec->component.dai_list, list) |
4041 | dai->codec = codec; | |
f0fba2ad | 4042 | |
e1328a83 | 4043 | mutex_lock(&client_mutex); |
bb13109d | 4044 | snd_soc_component_add_unlocked(&codec->component); |
054880fe | 4045 | list_add(&codec->list, &codec_list); |
e1328a83 KM |
4046 | mutex_unlock(&client_mutex); |
4047 | ||
f4333203 LPC |
4048 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
4049 | codec->component.name); | |
0d0cf00a | 4050 | return 0; |
f0fba2ad | 4051 | |
bb13109d LPC |
4052 | err_cleanup: |
4053 | snd_soc_component_cleanup(&codec->component); | |
4054 | err_free: | |
f0fba2ad LG |
4055 | kfree(codec); |
4056 | return ret; | |
0d0cf00a MB |
4057 | } |
4058 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4059 | ||
4060 | /** | |
4061 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4062 | * | |
ac11a2b3 | 4063 | * @codec: codec to unregister |
0d0cf00a | 4064 | */ |
f0fba2ad | 4065 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4066 | { |
f0fba2ad | 4067 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4068 | |
4069 | list_for_each_entry(codec, &codec_list, list) { | |
4070 | if (dev == codec->dev) | |
4071 | goto found; | |
4072 | } | |
4073 | return; | |
4074 | ||
4075 | found: | |
f0fba2ad | 4076 | |
0d0cf00a MB |
4077 | mutex_lock(&client_mutex); |
4078 | list_del(&codec->list); | |
bb13109d | 4079 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
4080 | mutex_unlock(&client_mutex); |
4081 | ||
f4333203 LPC |
4082 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
4083 | codec->component.name); | |
f0fba2ad | 4084 | |
bb13109d | 4085 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 4086 | snd_soc_cache_exit(codec); |
f0fba2ad | 4087 | kfree(codec); |
0d0cf00a MB |
4088 | } |
4089 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4090 | ||
bec4fa05 SW |
4091 | /* Retrieve a card's name from device tree */ |
4092 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4093 | const char *propname) | |
4094 | { | |
7e07e7c0 | 4095 | struct device_node *np; |
bec4fa05 SW |
4096 | int ret; |
4097 | ||
7e07e7c0 TB |
4098 | if (!card->dev) { |
4099 | pr_err("card->dev is not set before calling %s\n", __func__); | |
4100 | return -EINVAL; | |
4101 | } | |
4102 | ||
4103 | np = card->dev->of_node; | |
4104 | ||
bec4fa05 SW |
4105 | ret = of_property_read_string_index(np, propname, 0, &card->name); |
4106 | /* | |
4107 | * EINVAL means the property does not exist. This is fine providing | |
4108 | * card->name was previously set, which is checked later in | |
4109 | * snd_soc_register_card. | |
4110 | */ | |
4111 | if (ret < 0 && ret != -EINVAL) { | |
4112 | dev_err(card->dev, | |
f110bfc7 | 4113 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4114 | propname, ret); |
4115 | return ret; | |
4116 | } | |
4117 | ||
4118 | return 0; | |
4119 | } | |
4120 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4121 | ||
9a6d4860 XL |
4122 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4123 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4124 | SND_SOC_DAPM_LINE("Line", NULL), | |
4125 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4126 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4127 | }; | |
4128 | ||
4129 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4130 | const char *propname) | |
4131 | { | |
4132 | struct device_node *np = card->dev->of_node; | |
4133 | struct snd_soc_dapm_widget *widgets; | |
4134 | const char *template, *wname; | |
4135 | int i, j, num_widgets, ret; | |
4136 | ||
4137 | num_widgets = of_property_count_strings(np, propname); | |
4138 | if (num_widgets < 0) { | |
4139 | dev_err(card->dev, | |
4140 | "ASoC: Property '%s' does not exist\n", propname); | |
4141 | return -EINVAL; | |
4142 | } | |
4143 | if (num_widgets & 1) { | |
4144 | dev_err(card->dev, | |
4145 | "ASoC: Property '%s' length is not even\n", propname); | |
4146 | return -EINVAL; | |
4147 | } | |
4148 | ||
4149 | num_widgets /= 2; | |
4150 | if (!num_widgets) { | |
4151 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4152 | propname); | |
4153 | return -EINVAL; | |
4154 | } | |
4155 | ||
4156 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4157 | GFP_KERNEL); | |
4158 | if (!widgets) { | |
4159 | dev_err(card->dev, | |
4160 | "ASoC: Could not allocate memory for widgets\n"); | |
4161 | return -ENOMEM; | |
4162 | } | |
4163 | ||
4164 | for (i = 0; i < num_widgets; i++) { | |
4165 | ret = of_property_read_string_index(np, propname, | |
4166 | 2 * i, &template); | |
4167 | if (ret) { | |
4168 | dev_err(card->dev, | |
4169 | "ASoC: Property '%s' index %d read error:%d\n", | |
4170 | propname, 2 * i, ret); | |
4171 | return -EINVAL; | |
4172 | } | |
4173 | ||
4174 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4175 | if (!strncmp(template, simple_widgets[j].name, | |
4176 | strlen(simple_widgets[j].name))) { | |
4177 | widgets[i] = simple_widgets[j]; | |
4178 | break; | |
4179 | } | |
4180 | } | |
4181 | ||
4182 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4183 | dev_err(card->dev, | |
4184 | "ASoC: DAPM widget '%s' is not supported\n", | |
4185 | template); | |
4186 | return -EINVAL; | |
4187 | } | |
4188 | ||
4189 | ret = of_property_read_string_index(np, propname, | |
4190 | (2 * i) + 1, | |
4191 | &wname); | |
4192 | if (ret) { | |
4193 | dev_err(card->dev, | |
4194 | "ASoC: Property '%s' index %d read error:%d\n", | |
4195 | propname, (2 * i) + 1, ret); | |
4196 | return -EINVAL; | |
4197 | } | |
4198 | ||
4199 | widgets[i].name = wname; | |
4200 | } | |
4201 | ||
4202 | card->dapm_widgets = widgets; | |
4203 | card->num_dapm_widgets = num_widgets; | |
4204 | ||
4205 | return 0; | |
4206 | } | |
4207 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4208 | ||
89c67857 XL |
4209 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4210 | unsigned int *slots, | |
4211 | unsigned int *slot_width) | |
4212 | { | |
4213 | u32 val; | |
4214 | int ret; | |
4215 | ||
4216 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4217 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4218 | if (ret) | |
4219 | return ret; | |
4220 | ||
4221 | if (slots) | |
4222 | *slots = val; | |
4223 | } | |
4224 | ||
4225 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4226 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4227 | if (ret) | |
4228 | return ret; | |
4229 | ||
4230 | if (slot_width) | |
4231 | *slot_width = val; | |
4232 | } | |
4233 | ||
4234 | return 0; | |
4235 | } | |
4236 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4237 | ||
a4a54dd5 SW |
4238 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4239 | const char *propname) | |
4240 | { | |
4241 | struct device_node *np = card->dev->of_node; | |
4242 | int num_routes; | |
4243 | struct snd_soc_dapm_route *routes; | |
4244 | int i, ret; | |
4245 | ||
4246 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4247 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4248 | dev_err(card->dev, |
4249 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4250 | propname); | |
a4a54dd5 SW |
4251 | return -EINVAL; |
4252 | } | |
4253 | num_routes /= 2; | |
4254 | if (!num_routes) { | |
f110bfc7 | 4255 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4256 | propname); |
4257 | return -EINVAL; | |
4258 | } | |
4259 | ||
4260 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4261 | GFP_KERNEL); | |
4262 | if (!routes) { | |
4263 | dev_err(card->dev, | |
f110bfc7 | 4264 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4265 | return -EINVAL; |
4266 | } | |
4267 | ||
4268 | for (i = 0; i < num_routes; i++) { | |
4269 | ret = of_property_read_string_index(np, propname, | |
4270 | 2 * i, &routes[i].sink); | |
4271 | if (ret) { | |
c871bd0b MB |
4272 | dev_err(card->dev, |
4273 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4274 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4275 | return -EINVAL; |
4276 | } | |
4277 | ret = of_property_read_string_index(np, propname, | |
4278 | (2 * i) + 1, &routes[i].source); | |
4279 | if (ret) { | |
4280 | dev_err(card->dev, | |
c871bd0b MB |
4281 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4282 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4283 | return -EINVAL; |
4284 | } | |
4285 | } | |
4286 | ||
4287 | card->num_dapm_routes = num_routes; | |
4288 | card->dapm_routes = routes; | |
4289 | ||
4290 | return 0; | |
4291 | } | |
4292 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4293 | ||
a7930ed4 | 4294 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
4295 | const char *prefix, |
4296 | struct device_node **bitclkmaster, | |
4297 | struct device_node **framemaster) | |
a7930ed4 KM |
4298 | { |
4299 | int ret, i; | |
4300 | char prop[128]; | |
4301 | unsigned int format = 0; | |
4302 | int bit, frame; | |
4303 | const char *str; | |
4304 | struct { | |
4305 | char *name; | |
4306 | unsigned int val; | |
4307 | } of_fmt_table[] = { | |
4308 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4309 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4310 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4311 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4312 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4313 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4314 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4315 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4316 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4317 | }; |
4318 | ||
4319 | if (!prefix) | |
4320 | prefix = ""; | |
4321 | ||
4322 | /* | |
4323 | * check "[prefix]format = xxx" | |
4324 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4325 | */ | |
4326 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4327 | ret = of_property_read_string(np, prop, &str); | |
4328 | if (ret == 0) { | |
4329 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4330 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4331 | format |= of_fmt_table[i].val; | |
4332 | break; | |
4333 | } | |
4334 | } | |
4335 | } | |
4336 | ||
4337 | /* | |
8c2d6a9f | 4338 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4339 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4340 | */ | |
8c2d6a9f KM |
4341 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4342 | if (of_get_property(np, prop, NULL)) | |
4343 | format |= SND_SOC_DAIFMT_CONT; | |
4344 | else | |
4345 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4346 | |
4347 | /* | |
4348 | * check "[prefix]bitclock-inversion" | |
4349 | * check "[prefix]frame-inversion" | |
4350 | * SND_SOC_DAIFMT_INV_MASK area | |
4351 | */ | |
4352 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4353 | bit = !!of_get_property(np, prop, NULL); | |
4354 | ||
4355 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4356 | frame = !!of_get_property(np, prop, NULL); | |
4357 | ||
4358 | switch ((bit << 4) + frame) { | |
4359 | case 0x11: | |
4360 | format |= SND_SOC_DAIFMT_IB_IF; | |
4361 | break; | |
4362 | case 0x10: | |
4363 | format |= SND_SOC_DAIFMT_IB_NF; | |
4364 | break; | |
4365 | case 0x01: | |
4366 | format |= SND_SOC_DAIFMT_NB_IF; | |
4367 | break; | |
4368 | default: | |
4369 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4370 | break; | |
4371 | } | |
4372 | ||
4373 | /* | |
4374 | * check "[prefix]bitclock-master" | |
4375 | * check "[prefix]frame-master" | |
4376 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4377 | */ | |
4378 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4379 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4380 | if (bit && bitclkmaster) |
4381 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4382 | |
4383 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4384 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4385 | if (frame && framemaster) |
4386 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4387 | |
4388 | switch ((bit << 4) + frame) { | |
4389 | case 0x11: | |
4390 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4391 | break; | |
4392 | case 0x10: | |
4393 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4394 | break; | |
4395 | case 0x01: | |
4396 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4397 | break; | |
4398 | default: | |
4399 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4400 | break; | |
4401 | } | |
4402 | ||
4403 | return format; | |
4404 | } | |
4405 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4406 | ||
cb470087 KM |
4407 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4408 | const char **dai_name) | |
4409 | { | |
4410 | struct snd_soc_component *pos; | |
4411 | struct of_phandle_args args; | |
4412 | int ret; | |
4413 | ||
4414 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4415 | "#sound-dai-cells", 0, &args); | |
4416 | if (ret) | |
4417 | return ret; | |
4418 | ||
4419 | ret = -EPROBE_DEFER; | |
4420 | ||
4421 | mutex_lock(&client_mutex); | |
4422 | list_for_each_entry(pos, &component_list, list) { | |
4423 | if (pos->dev->of_node != args.np) | |
4424 | continue; | |
4425 | ||
6833c452 KM |
4426 | if (pos->driver->of_xlate_dai_name) { |
4427 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4428 | } else { | |
4429 | int id = -1; | |
4430 | ||
4431 | switch (args.args_count) { | |
4432 | case 0: | |
4433 | id = 0; /* same as dai_drv[0] */ | |
4434 | break; | |
4435 | case 1: | |
4436 | id = args.args[0]; | |
4437 | break; | |
4438 | default: | |
4439 | /* not supported */ | |
4440 | break; | |
4441 | } | |
4442 | ||
4443 | if (id < 0 || id >= pos->num_dai) { | |
4444 | ret = -EINVAL; | |
3dcba280 | 4445 | continue; |
6833c452 | 4446 | } |
e41975ed XL |
4447 | |
4448 | ret = 0; | |
4449 | ||
4450 | *dai_name = pos->dai_drv[id].name; | |
4451 | if (!*dai_name) | |
4452 | *dai_name = pos->name; | |
cb470087 KM |
4453 | } |
4454 | ||
cb470087 KM |
4455 | break; |
4456 | } | |
4457 | mutex_unlock(&client_mutex); | |
4458 | ||
4459 | of_node_put(args.np); | |
4460 | ||
4461 | return ret; | |
4462 | } | |
4463 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4464 | ||
c9b3a40f | 4465 | static int __init snd_soc_init(void) |
db2a4165 | 4466 | { |
384c89e2 | 4467 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4468 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4469 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4470 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4471 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4472 | } |
c3c5a19a | 4473 | |
8a9dab1a | 4474 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4475 | &codec_list_fops)) |
4476 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4477 | ||
8a9dab1a | 4478 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4479 | &dai_list_fops)) |
4480 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4481 | |
8a9dab1a | 4482 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4483 | &platform_list_fops)) |
4484 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4485 | #endif |
4486 | ||
fb257897 MB |
4487 | snd_soc_util_init(); |
4488 | ||
db2a4165 FM |
4489 | return platform_driver_register(&soc_driver); |
4490 | } | |
4abe8e16 | 4491 | module_init(snd_soc_init); |
db2a4165 | 4492 | |
7d8c16a6 | 4493 | static void __exit snd_soc_exit(void) |
db2a4165 | 4494 | { |
fb257897 MB |
4495 | snd_soc_util_exit(); |
4496 | ||
384c89e2 | 4497 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4498 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4499 | #endif |
3ff3f64b | 4500 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4501 | } |
db2a4165 FM |
4502 | module_exit(snd_soc_exit); |
4503 | ||
4504 | /* Module information */ | |
d331124d | 4505 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4506 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4507 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4508 | MODULE_ALIAS("platform:soc-audio"); |