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> |
f0e8ed85 | 33 | #include <linux/ctype.h> |
5a0e3ad6 | 34 | #include <linux/slab.h> |
bec4fa05 | 35 | #include <linux/of.h> |
474828a4 | 36 | #include <sound/ac97_codec.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 | ||
db2a4165 FM |
50 | static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); |
51 | ||
384c89e2 | 52 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
53 | struct dentry *snd_soc_debugfs_root; |
54 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
55 | #endif |
56 | ||
c5af3a2e | 57 | static DEFINE_MUTEX(client_mutex); |
9115171a | 58 | static LIST_HEAD(dai_list); |
12a48a8c | 59 | static LIST_HEAD(platform_list); |
0d0cf00a | 60 | static LIST_HEAD(codec_list); |
030e79f6 | 61 | static LIST_HEAD(component_list); |
c5af3a2e | 62 | |
db2a4165 FM |
63 | /* |
64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
65 | * It can be used to eliminate pops between different playback streams, e.g. | |
66 | * between two audio tracks. | |
67 | */ | |
68 | static int pmdown_time = 5000; | |
69 | module_param(pmdown_time, int, 0); | |
70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
71 | ||
2bc9a81e DP |
72 | /* returns the minimum number of bytes needed to represent |
73 | * a particular given value */ | |
74 | static int min_bytes_needed(unsigned long val) | |
75 | { | |
76 | int c = 0; | |
77 | int i; | |
78 | ||
79 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
80 | if (val & (1UL << i)) | |
81 | break; | |
82 | c = (sizeof val * 8) - c; | |
83 | if (!c || (c % 8)) | |
84 | c = (c + 8) / 8; | |
85 | else | |
86 | c /= 8; | |
87 | return c; | |
88 | } | |
89 | ||
13fd179f DP |
90 | /* fill buf which is 'len' bytes with a formatted |
91 | * string of the form 'reg: value\n' */ | |
92 | static int format_register_str(struct snd_soc_codec *codec, | |
93 | unsigned int reg, char *buf, size_t len) | |
94 | { | |
00b317a4 SW |
95 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
96 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
97 | int ret; |
98 | char tmpbuf[len + 1]; | |
99 | char regbuf[regsize + 1]; | |
100 | ||
101 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
102 | * try to abuse this function */ | |
103 | WARN_ON(len > 63); | |
104 | ||
105 | /* +2 for ': ' and + 1 for '\n' */ | |
106 | if (wordsize + regsize + 2 + 1 != len) | |
107 | return -EINVAL; | |
108 | ||
25032c11 | 109 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
110 | if (ret < 0) { |
111 | memset(regbuf, 'X', regsize); | |
112 | regbuf[regsize] = '\0'; | |
113 | } else { | |
114 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
115 | } | |
116 | ||
117 | /* prepare the buffer */ | |
118 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
119 | /* copy it back to the caller without the '\0' */ | |
120 | memcpy(buf, tmpbuf, len); | |
121 | ||
122 | return 0; | |
123 | } | |
124 | ||
2624d5fa | 125 | /* codec register dump */ |
13fd179f DP |
126 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
127 | size_t count, loff_t pos) | |
2624d5fa | 128 | { |
13fd179f | 129 | int i, step = 1; |
2bc9a81e | 130 | int wordsize, regsize; |
13fd179f DP |
131 | int len; |
132 | size_t total = 0; | |
133 | loff_t p = 0; | |
2bc9a81e | 134 | |
00b317a4 SW |
135 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
136 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 137 | |
13fd179f DP |
138 | len = wordsize + regsize + 2 + 1; |
139 | ||
f0fba2ad | 140 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
141 | return 0; |
142 | ||
f0fba2ad LG |
143 | if (codec->driver->reg_cache_step) |
144 | step = codec->driver->reg_cache_step; | |
2624d5fa | 145 | |
f0fba2ad | 146 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
b92d150b | 147 | if (!snd_soc_codec_readable_register(codec, i)) |
2624d5fa | 148 | continue; |
f0fba2ad LG |
149 | if (codec->driver->display_register) { |
150 | count += codec->driver->display_register(codec, buf + count, | |
2624d5fa | 151 | PAGE_SIZE - count, i); |
5164d74d | 152 | } else { |
13fd179f DP |
153 | /* only support larger than PAGE_SIZE bytes debugfs |
154 | * entries for the default case */ | |
155 | if (p >= pos) { | |
156 | if (total + len >= count - 1) | |
157 | break; | |
158 | format_register_str(codec, i, buf + total, len); | |
159 | total += len; | |
160 | } | |
161 | p += len; | |
5164d74d | 162 | } |
2624d5fa MB |
163 | } |
164 | ||
13fd179f | 165 | total = min(total, count - 1); |
2624d5fa | 166 | |
13fd179f | 167 | return total; |
2624d5fa | 168 | } |
13fd179f | 169 | |
2624d5fa MB |
170 | static ssize_t codec_reg_show(struct device *dev, |
171 | struct device_attribute *attr, char *buf) | |
172 | { | |
36ae1a96 | 173 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 174 | |
13fd179f | 175 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
176 | } |
177 | ||
178 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
179 | ||
dbe21408 MB |
180 | static ssize_t pmdown_time_show(struct device *dev, |
181 | struct device_attribute *attr, char *buf) | |
182 | { | |
36ae1a96 | 183 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 184 | |
f0fba2ad | 185 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
186 | } |
187 | ||
188 | static ssize_t pmdown_time_set(struct device *dev, | |
189 | struct device_attribute *attr, | |
190 | const char *buf, size_t count) | |
191 | { | |
36ae1a96 | 192 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 193 | int ret; |
dbe21408 | 194 | |
c593b520 MB |
195 | ret = strict_strtol(buf, 10, &rtd->pmdown_time); |
196 | if (ret) | |
197 | return ret; | |
dbe21408 MB |
198 | |
199 | return count; | |
200 | } | |
201 | ||
202 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
203 | ||
2624d5fa | 204 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 205 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 206 | size_t count, loff_t *ppos) |
2624d5fa MB |
207 | { |
208 | ssize_t ret; | |
209 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
210 | char *buf; |
211 | ||
212 | if (*ppos < 0 || !count) | |
213 | return -EINVAL; | |
214 | ||
215 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
216 | if (!buf) |
217 | return -ENOMEM; | |
13fd179f DP |
218 | |
219 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
220 | if (ret >= 0) { | |
221 | if (copy_to_user(user_buf, buf, ret)) { | |
222 | kfree(buf); | |
223 | return -EFAULT; | |
224 | } | |
225 | *ppos += ret; | |
226 | } | |
227 | ||
2624d5fa MB |
228 | kfree(buf); |
229 | return ret; | |
230 | } | |
231 | ||
232 | static ssize_t codec_reg_write_file(struct file *file, | |
233 | const char __user *user_buf, size_t count, loff_t *ppos) | |
234 | { | |
235 | char buf[32]; | |
34e268d8 | 236 | size_t buf_size; |
2624d5fa MB |
237 | char *start = buf; |
238 | unsigned long reg, value; | |
2624d5fa MB |
239 | struct snd_soc_codec *codec = file->private_data; |
240 | ||
241 | buf_size = min(count, (sizeof(buf)-1)); | |
242 | if (copy_from_user(buf, user_buf, buf_size)) | |
243 | return -EFAULT; | |
244 | buf[buf_size] = 0; | |
2624d5fa MB |
245 | |
246 | while (*start == ' ') | |
247 | start++; | |
248 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
249 | while (*start == ' ') |
250 | start++; | |
251 | if (strict_strtoul(start, 16, &value)) | |
252 | return -EINVAL; | |
0d51a9cb MB |
253 | |
254 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 255 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 256 | |
e4f078d8 | 257 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
258 | return buf_size; |
259 | } | |
260 | ||
261 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 262 | .open = simple_open, |
2624d5fa MB |
263 | .read = codec_reg_read_file, |
264 | .write = codec_reg_write_file, | |
6038f373 | 265 | .llseek = default_llseek, |
2624d5fa MB |
266 | }; |
267 | ||
268 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
269 | { | |
d6ce4cf3 JN |
270 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
271 | ||
272 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, | |
273 | debugfs_card_root); | |
2624d5fa | 274 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
275 | dev_warn(codec->dev, |
276 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
277 | return; |
278 | } | |
279 | ||
aaee8ef1 MB |
280 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
281 | &codec->cache_sync); | |
282 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
283 | &codec->cache_only); | |
284 | ||
2624d5fa MB |
285 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
286 | codec->debugfs_codec_root, | |
287 | codec, &codec_reg_fops); | |
288 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
289 | dev_warn(codec->dev, |
290 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 291 | |
8eecaf62 | 292 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
293 | } |
294 | ||
295 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
296 | { | |
297 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
298 | } | |
299 | ||
731f1ab2 SG |
300 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
301 | { | |
302 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
303 | ||
304 | platform->debugfs_platform_root = debugfs_create_dir(platform->name, | |
305 | debugfs_card_root); | |
306 | if (!platform->debugfs_platform_root) { | |
307 | dev_warn(platform->dev, | |
f110bfc7 | 308 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
309 | return; |
310 | } | |
311 | ||
312 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
313 | platform->debugfs_platform_root); | |
314 | } | |
315 | ||
316 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
317 | { | |
318 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
319 | } | |
320 | ||
c3c5a19a MB |
321 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
322 | size_t count, loff_t *ppos) | |
323 | { | |
324 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 325 | ssize_t len, ret = 0; |
c3c5a19a MB |
326 | struct snd_soc_codec *codec; |
327 | ||
328 | if (!buf) | |
329 | return -ENOMEM; | |
330 | ||
2b194f9d MB |
331 | list_for_each_entry(codec, &codec_list, list) { |
332 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
333 | codec->name); | |
334 | if (len >= 0) | |
335 | ret += len; | |
336 | if (ret > PAGE_SIZE) { | |
337 | ret = PAGE_SIZE; | |
338 | break; | |
339 | } | |
340 | } | |
c3c5a19a MB |
341 | |
342 | if (ret >= 0) | |
343 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
344 | ||
345 | kfree(buf); | |
346 | ||
347 | return ret; | |
348 | } | |
349 | ||
350 | static const struct file_operations codec_list_fops = { | |
351 | .read = codec_list_read_file, | |
352 | .llseek = default_llseek,/* read accesses f_pos */ | |
353 | }; | |
354 | ||
f3208780 MB |
355 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
356 | size_t count, loff_t *ppos) | |
357 | { | |
358 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 359 | ssize_t len, ret = 0; |
f3208780 MB |
360 | struct snd_soc_dai *dai; |
361 | ||
362 | if (!buf) | |
363 | return -ENOMEM; | |
364 | ||
2b194f9d MB |
365 | list_for_each_entry(dai, &dai_list, list) { |
366 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); | |
367 | if (len >= 0) | |
368 | ret += len; | |
369 | if (ret > PAGE_SIZE) { | |
370 | ret = PAGE_SIZE; | |
371 | break; | |
372 | } | |
373 | } | |
f3208780 | 374 | |
2b194f9d | 375 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
376 | |
377 | kfree(buf); | |
378 | ||
379 | return ret; | |
380 | } | |
381 | ||
382 | static const struct file_operations dai_list_fops = { | |
383 | .read = dai_list_read_file, | |
384 | .llseek = default_llseek,/* read accesses f_pos */ | |
385 | }; | |
386 | ||
19c7ac27 MB |
387 | static ssize_t platform_list_read_file(struct file *file, |
388 | char __user *user_buf, | |
389 | size_t count, loff_t *ppos) | |
390 | { | |
391 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 392 | ssize_t len, ret = 0; |
19c7ac27 MB |
393 | struct snd_soc_platform *platform; |
394 | ||
395 | if (!buf) | |
396 | return -ENOMEM; | |
397 | ||
2b194f9d MB |
398 | list_for_each_entry(platform, &platform_list, list) { |
399 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
400 | platform->name); | |
401 | if (len >= 0) | |
402 | ret += len; | |
403 | if (ret > PAGE_SIZE) { | |
404 | ret = PAGE_SIZE; | |
405 | break; | |
406 | } | |
407 | } | |
19c7ac27 | 408 | |
2b194f9d | 409 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
410 | |
411 | kfree(buf); | |
412 | ||
413 | return ret; | |
414 | } | |
415 | ||
416 | static const struct file_operations platform_list_fops = { | |
417 | .read = platform_list_read_file, | |
418 | .llseek = default_llseek,/* read accesses f_pos */ | |
419 | }; | |
420 | ||
a6052154 JN |
421 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
422 | { | |
423 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 424 | snd_soc_debugfs_root); |
3a45b867 | 425 | if (!card->debugfs_card_root) { |
a6052154 | 426 | dev_warn(card->dev, |
7c08be84 | 427 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
428 | return; |
429 | } | |
430 | ||
431 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
432 | card->debugfs_card_root, | |
433 | &card->pop_time); | |
434 | if (!card->debugfs_pop_time) | |
435 | dev_warn(card->dev, | |
f110bfc7 | 436 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
437 | } |
438 | ||
439 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
440 | { | |
441 | debugfs_remove_recursive(card->debugfs_card_root); | |
442 | } | |
443 | ||
2624d5fa MB |
444 | #else |
445 | ||
446 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
447 | { | |
448 | } | |
449 | ||
450 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
451 | { | |
452 | } | |
b95fccbc | 453 | |
731f1ab2 SG |
454 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
455 | { | |
456 | } | |
457 | ||
458 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
459 | { | |
460 | } | |
461 | ||
b95fccbc AL |
462 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
463 | { | |
464 | } | |
465 | ||
466 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
467 | { | |
468 | } | |
2624d5fa MB |
469 | #endif |
470 | ||
47c88fff LG |
471 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
472 | const char *dai_link, int stream) | |
473 | { | |
474 | int i; | |
475 | ||
476 | for (i = 0; i < card->num_links; i++) { | |
477 | if (card->rtd[i].dai_link->no_pcm && | |
478 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
479 | return card->rtd[i].pcm->streams[stream].substream; | |
480 | } | |
f110bfc7 | 481 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
482 | return NULL; |
483 | } | |
484 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
485 | ||
486 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
487 | const char *dai_link) | |
488 | { | |
489 | int i; | |
490 | ||
491 | for (i = 0; i < card->num_links; i++) { | |
492 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
493 | return &card->rtd[i]; | |
494 | } | |
f110bfc7 | 495 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
496 | return NULL; |
497 | } | |
498 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
499 | ||
db2a4165 FM |
500 | #ifdef CONFIG_SND_SOC_AC97_BUS |
501 | /* unregister ac97 codec */ | |
502 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
503 | { | |
504 | if (codec->ac97->dev.bus) | |
505 | device_unregister(&codec->ac97->dev); | |
506 | return 0; | |
507 | } | |
508 | ||
509 | /* stop no dev release warning */ | |
510 | static void soc_ac97_device_release(struct device *dev){} | |
511 | ||
512 | /* register ac97 codec to bus */ | |
513 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
514 | { | |
515 | int err; | |
516 | ||
517 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 518 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
519 | codec->ac97->dev.release = soc_ac97_device_release; |
520 | ||
bb072bf0 | 521 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f0fba2ad | 522 | codec->card->snd_card->number, 0, codec->name); |
db2a4165 FM |
523 | err = device_register(&codec->ac97->dev); |
524 | if (err < 0) { | |
f110bfc7 | 525 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
526 | codec->ac97->dev.bus = NULL; |
527 | return err; | |
528 | } | |
529 | return 0; | |
530 | } | |
531 | #endif | |
532 | ||
6f8ab4ac | 533 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 534 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 535 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 536 | { |
6f8ab4ac | 537 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 538 | struct snd_soc_codec *codec; |
db2a4165 FM |
539 | int i; |
540 | ||
e3509ff0 DM |
541 | /* If the initialization of this soc device failed, there is no codec |
542 | * associated with it. Just bail out in this case. | |
543 | */ | |
f0fba2ad | 544 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
545 | return 0; |
546 | ||
6ed25978 AG |
547 | /* Due to the resume being scheduled into a workqueue we could |
548 | * suspend before that's finished - wait for it to complete. | |
549 | */ | |
f0fba2ad LG |
550 | snd_power_lock(card->snd_card); |
551 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
552 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
553 | |
554 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 555 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 556 | |
a00f90f9 | 557 | /* mute any active DACs */ |
f0fba2ad LG |
558 | for (i = 0; i < card->num_rtd; i++) { |
559 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
560 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 561 | |
f0fba2ad | 562 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
563 | continue; |
564 | ||
f0fba2ad LG |
565 | if (drv->ops->digital_mute && dai->playback_active) |
566 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
567 | } |
568 | ||
4ccab3e7 | 569 | /* suspend all pcms */ |
f0fba2ad LG |
570 | for (i = 0; i < card->num_rtd; i++) { |
571 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
572 | continue; |
573 | ||
f0fba2ad | 574 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 575 | } |
4ccab3e7 | 576 | |
87506549 | 577 | if (card->suspend_pre) |
70b2ac12 | 578 | card->suspend_pre(card); |
db2a4165 | 579 | |
f0fba2ad LG |
580 | for (i = 0; i < card->num_rtd; i++) { |
581 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
582 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 583 | |
f0fba2ad | 584 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
585 | continue; |
586 | ||
f0fba2ad LG |
587 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
588 | cpu_dai->driver->suspend(cpu_dai); | |
589 | if (platform->driver->suspend && !platform->suspended) { | |
590 | platform->driver->suspend(cpu_dai); | |
591 | platform->suspended = 1; | |
592 | } | |
db2a4165 FM |
593 | } |
594 | ||
595 | /* close any waiting streams and save state */ | |
f0fba2ad | 596 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 597 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 598 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 599 | } |
db2a4165 | 600 | |
f0fba2ad | 601 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 602 | |
f0fba2ad | 603 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
604 | continue; |
605 | ||
7bd3a6f3 MB |
606 | snd_soc_dapm_stream_event(&card->rtd[i], |
607 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 608 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 609 | |
7bd3a6f3 MB |
610 | snd_soc_dapm_stream_event(&card->rtd[i], |
611 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 612 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
613 | } |
614 | ||
e2d32ff6 MB |
615 | /* Recheck all analogue paths too */ |
616 | dapm_mark_io_dirty(&card->dapm); | |
617 | snd_soc_dapm_sync(&card->dapm); | |
618 | ||
f0fba2ad | 619 | /* suspend all CODECs */ |
2eea392d | 620 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
621 | /* If there are paths active then the CODEC will be held with |
622 | * bias _ON and should not be suspended. */ | |
623 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 624 | switch (codec->dapm.bias_level) { |
f0fba2ad | 625 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
626 | /* |
627 | * If the CODEC is capable of idle | |
628 | * bias off then being in STANDBY | |
629 | * means it's doing something, | |
630 | * otherwise fall through. | |
631 | */ | |
632 | if (codec->dapm.idle_bias_off) { | |
633 | dev_dbg(codec->dev, | |
10e8aa9a | 634 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
635 | break; |
636 | } | |
f0fba2ad | 637 | case SND_SOC_BIAS_OFF: |
84b315ee | 638 | codec->driver->suspend(codec); |
f0fba2ad | 639 | codec->suspended = 1; |
7be4ba24 | 640 | codec->cache_sync = 1; |
da8b8e0f MB |
641 | if (codec->using_regmap) |
642 | regcache_mark_dirty(codec->control_data); | |
f0fba2ad LG |
643 | break; |
644 | default: | |
10e8aa9a MM |
645 | dev_dbg(codec->dev, |
646 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
647 | break; |
648 | } | |
1547aba9 MB |
649 | } |
650 | } | |
db2a4165 | 651 | |
f0fba2ad LG |
652 | for (i = 0; i < card->num_rtd; i++) { |
653 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 654 | |
f0fba2ad | 655 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
656 | continue; |
657 | ||
f0fba2ad LG |
658 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
659 | cpu_dai->driver->suspend(cpu_dai); | |
db2a4165 FM |
660 | } |
661 | ||
87506549 | 662 | if (card->suspend_post) |
70b2ac12 | 663 | card->suspend_post(card); |
db2a4165 FM |
664 | |
665 | return 0; | |
666 | } | |
6f8ab4ac | 667 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 668 | |
6ed25978 AG |
669 | /* deferred resume work, so resume can complete before we finished |
670 | * setting our codec back up, which can be very slow on I2C | |
671 | */ | |
672 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 673 | { |
f0fba2ad LG |
674 | struct snd_soc_card *card = |
675 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 676 | struct snd_soc_codec *codec; |
db2a4165 FM |
677 | int i; |
678 | ||
6ed25978 AG |
679 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
680 | * so userspace apps are blocked from touching us | |
681 | */ | |
682 | ||
f110bfc7 | 683 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 684 | |
9949788b | 685 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 686 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 687 | |
87506549 | 688 | if (card->resume_pre) |
70b2ac12 | 689 | card->resume_pre(card); |
db2a4165 | 690 | |
f0fba2ad LG |
691 | /* resume AC97 DAIs */ |
692 | for (i = 0; i < card->num_rtd; i++) { | |
693 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 694 | |
f0fba2ad | 695 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
696 | continue; |
697 | ||
f0fba2ad LG |
698 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
699 | cpu_dai->driver->resume(cpu_dai); | |
700 | } | |
701 | ||
2eea392d | 702 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
703 | /* If the CODEC was idle over suspend then it will have been |
704 | * left with bias OFF or STANDBY and suspended so we must now | |
705 | * resume. Otherwise the suspend was suppressed. | |
706 | */ | |
707 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 708 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
709 | case SND_SOC_BIAS_STANDBY: |
710 | case SND_SOC_BIAS_OFF: | |
711 | codec->driver->resume(codec); | |
712 | codec->suspended = 0; | |
713 | break; | |
714 | default: | |
10e8aa9a MM |
715 | dev_dbg(codec->dev, |
716 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
717 | break; |
718 | } | |
1547aba9 MB |
719 | } |
720 | } | |
db2a4165 | 721 | |
f0fba2ad | 722 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 723 | |
f0fba2ad | 724 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
725 | continue; |
726 | ||
7bd3a6f3 | 727 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 728 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 729 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 730 | |
7bd3a6f3 | 731 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 732 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 733 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
734 | } |
735 | ||
3ff3f64b | 736 | /* unmute any active DACs */ |
f0fba2ad LG |
737 | for (i = 0; i < card->num_rtd; i++) { |
738 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
739 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 740 | |
f0fba2ad | 741 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
742 | continue; |
743 | ||
f0fba2ad LG |
744 | if (drv->ops->digital_mute && dai->playback_active) |
745 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
746 | } |
747 | ||
f0fba2ad LG |
748 | for (i = 0; i < card->num_rtd; i++) { |
749 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
750 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 751 | |
f0fba2ad | 752 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
753 | continue; |
754 | ||
f0fba2ad LG |
755 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
756 | cpu_dai->driver->resume(cpu_dai); | |
757 | if (platform->driver->resume && platform->suspended) { | |
758 | platform->driver->resume(cpu_dai); | |
759 | platform->suspended = 0; | |
760 | } | |
db2a4165 FM |
761 | } |
762 | ||
87506549 | 763 | if (card->resume_post) |
70b2ac12 | 764 | card->resume_post(card); |
db2a4165 | 765 | |
f110bfc7 | 766 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
767 | |
768 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 769 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
770 | |
771 | /* Recheck all analogue paths too */ | |
772 | dapm_mark_io_dirty(&card->dapm); | |
773 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
774 | } |
775 | ||
776 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 777 | int snd_soc_resume(struct device *dev) |
6ed25978 | 778 | { |
6f8ab4ac | 779 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 780 | int i, ac97_control = 0; |
b9dd94a8 | 781 | |
5ff1ddf2 EM |
782 | /* If the initialization of this soc device failed, there is no codec |
783 | * associated with it. Just bail out in this case. | |
784 | */ | |
785 | if (list_empty(&card->codec_dev_list)) | |
786 | return 0; | |
787 | ||
64ab9baa MB |
788 | /* AC97 devices might have other drivers hanging off them so |
789 | * need to resume immediately. Other drivers don't have that | |
790 | * problem and may take a substantial amount of time to resume | |
791 | * due to I/O costs and anti-pop so handle them out of line. | |
792 | */ | |
f0fba2ad LG |
793 | for (i = 0; i < card->num_rtd; i++) { |
794 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
795 | ac97_control |= cpu_dai->driver->ac97_control; |
796 | } | |
797 | if (ac97_control) { | |
f110bfc7 | 798 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
799 | soc_resume_deferred(&card->deferred_resume_work); |
800 | } else { | |
f110bfc7 | 801 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 802 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 803 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 804 | } |
6ed25978 | 805 | |
db2a4165 FM |
806 | return 0; |
807 | } | |
6f8ab4ac | 808 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 809 | #else |
6f8ab4ac MB |
810 | #define snd_soc_suspend NULL |
811 | #define snd_soc_resume NULL | |
db2a4165 FM |
812 | #endif |
813 | ||
85e7652d | 814 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
815 | }; |
816 | ||
f0fba2ad | 817 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 818 | { |
f0fba2ad LG |
819 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
820 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
fe3e78e0 | 821 | struct snd_soc_codec *codec; |
435c5e25 | 822 | struct snd_soc_platform *platform; |
f0fba2ad | 823 | struct snd_soc_dai *codec_dai, *cpu_dai; |
848dd8be | 824 | const char *platform_name; |
435c5e25 | 825 | |
f110bfc7 | 826 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 827 | |
b19e6e7b | 828 | /* Find CPU DAI from registered DAIs*/ |
f0fba2ad | 829 | list_for_each_entry(cpu_dai, &dai_list, list) { |
bc92657a SW |
830 | if (dai_link->cpu_of_node && |
831 | (cpu_dai->dev->of_node != dai_link->cpu_of_node)) | |
832 | continue; | |
833 | if (dai_link->cpu_name && | |
834 | strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name)) | |
835 | continue; | |
836 | if (dai_link->cpu_dai_name && | |
837 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
838 | continue; | |
2610ab77 SW |
839 | |
840 | rtd->cpu_dai = cpu_dai; | |
435c5e25 | 841 | } |
6308419a | 842 | |
b19e6e7b | 843 | if (!rtd->cpu_dai) { |
f110bfc7 | 844 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
845 | dai_link->cpu_dai_name); |
846 | return -EPROBE_DEFER; | |
f0fba2ad LG |
847 | } |
848 | ||
b19e6e7b | 849 | /* Find CODEC from registered CODECs */ |
f0fba2ad | 850 | list_for_each_entry(codec, &codec_list, list) { |
5a504963 SW |
851 | if (dai_link->codec_of_node) { |
852 | if (codec->dev->of_node != dai_link->codec_of_node) | |
853 | continue; | |
854 | } else { | |
855 | if (strcmp(codec->name, dai_link->codec_name)) | |
856 | continue; | |
857 | } | |
2610ab77 SW |
858 | |
859 | rtd->codec = codec; | |
860 | ||
861 | /* | |
862 | * CODEC found, so find CODEC DAI from registered DAIs from | |
863 | * this CODEC | |
864 | */ | |
865 | list_for_each_entry(codec_dai, &dai_list, list) { | |
866 | if (codec->dev == codec_dai->dev && | |
867 | !strcmp(codec_dai->name, | |
868 | dai_link->codec_dai_name)) { | |
f0fba2ad | 869 | |
2610ab77 | 870 | rtd->codec_dai = codec_dai; |
2610ab77 | 871 | } |
435c5e25 | 872 | } |
2610ab77 | 873 | |
b19e6e7b | 874 | if (!rtd->codec_dai) { |
f110bfc7 | 875 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", |
b19e6e7b MB |
876 | dai_link->codec_dai_name); |
877 | return -EPROBE_DEFER; | |
878 | } | |
f0fba2ad | 879 | } |
6b05eda6 | 880 | |
b19e6e7b | 881 | if (!rtd->codec) { |
f110bfc7 | 882 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
883 | dai_link->codec_name); |
884 | return -EPROBE_DEFER; | |
885 | } | |
848dd8be MB |
886 | |
887 | /* if there's no platform we match on the empty platform */ | |
888 | platform_name = dai_link->platform_name; | |
5a504963 | 889 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
890 | platform_name = "snd-soc-dummy"; |
891 | ||
b19e6e7b | 892 | /* find one from the set of registered platforms */ |
f0fba2ad | 893 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
894 | if (dai_link->platform_of_node) { |
895 | if (platform->dev->of_node != | |
896 | dai_link->platform_of_node) | |
897 | continue; | |
898 | } else { | |
899 | if (strcmp(platform->name, platform_name)) | |
900 | continue; | |
901 | } | |
2610ab77 SW |
902 | |
903 | rtd->platform = platform; | |
02a06d30 | 904 | } |
b19e6e7b | 905 | if (!rtd->platform) { |
f110bfc7 | 906 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 907 | dai_link->platform_name); |
b19e6e7b | 908 | return -EPROBE_DEFER; |
f0fba2ad | 909 | } |
b19e6e7b MB |
910 | |
911 | card->num_rtd++; | |
912 | ||
913 | return 0; | |
f0fba2ad LG |
914 | } |
915 | ||
d12cd198 SW |
916 | static int soc_remove_platform(struct snd_soc_platform *platform) |
917 | { | |
918 | int ret; | |
919 | ||
920 | if (platform->driver->remove) { | |
921 | ret = platform->driver->remove(platform); | |
922 | if (ret < 0) | |
f110bfc7 LG |
923 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
924 | ret); | |
d12cd198 SW |
925 | } |
926 | ||
927 | /* Make sure all DAPM widgets are freed */ | |
928 | snd_soc_dapm_free(&platform->dapm); | |
929 | ||
930 | soc_cleanup_platform_debugfs(platform); | |
931 | platform->probed = 0; | |
932 | list_del(&platform->card_list); | |
933 | module_put(platform->dev->driver->owner); | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
589c3563 JN |
938 | static void soc_remove_codec(struct snd_soc_codec *codec) |
939 | { | |
940 | int err; | |
941 | ||
942 | if (codec->driver->remove) { | |
943 | err = codec->driver->remove(codec); | |
944 | if (err < 0) | |
f110bfc7 | 945 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
946 | } |
947 | ||
948 | /* Make sure all DAPM widgets are freed */ | |
949 | snd_soc_dapm_free(&codec->dapm); | |
950 | ||
951 | soc_cleanup_codec_debugfs(codec); | |
952 | codec->probed = 0; | |
953 | list_del(&codec->card_list); | |
954 | module_put(codec->dev->driver->owner); | |
955 | } | |
956 | ||
62ae68fa | 957 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
958 | { |
959 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad LG |
960 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
961 | int err; | |
962 | ||
963 | /* unregister the rtd device */ | |
964 | if (rtd->dev_registered) { | |
36ae1a96 MB |
965 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); |
966 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
967 | device_unregister(rtd->dev); | |
f0fba2ad LG |
968 | rtd->dev_registered = 0; |
969 | } | |
970 | ||
971 | /* remove the CODEC DAI */ | |
0168bf0d LG |
972 | if (codec_dai && codec_dai->probed && |
973 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
974 | if (codec_dai->driver->remove) { |
975 | err = codec_dai->driver->remove(codec_dai); | |
976 | if (err < 0) | |
f110bfc7 LG |
977 | dev_err(codec_dai->dev, |
978 | "ASoC: failed to remove %s: %d\n", | |
979 | codec_dai->name, err); | |
6b05eda6 | 980 | } |
f0fba2ad LG |
981 | codec_dai->probed = 0; |
982 | list_del(&codec_dai->card_list); | |
983 | } | |
6b05eda6 | 984 | |
f0fba2ad | 985 | /* remove the cpu_dai */ |
0168bf0d LG |
986 | if (cpu_dai && cpu_dai->probed && |
987 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
988 | if (cpu_dai->driver->remove) { |
989 | err = cpu_dai->driver->remove(cpu_dai); | |
990 | if (err < 0) | |
f110bfc7 LG |
991 | dev_err(cpu_dai->dev, |
992 | "ASoC: failed to remove %s: %d\n", | |
993 | cpu_dai->name, err); | |
db2a4165 | 994 | } |
f0fba2ad LG |
995 | cpu_dai->probed = 0; |
996 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 997 | |
18d75644 SW |
998 | if (!cpu_dai->codec) { |
999 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1000 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1001 | } |
db2a4165 | 1002 | } |
f0fba2ad | 1003 | } |
db2a4165 | 1004 | |
62ae68fa SW |
1005 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1006 | int order) | |
1007 | { | |
1008 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1009 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1010 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1011 | struct snd_soc_platform *platform = rtd->platform; | |
1012 | struct snd_soc_codec *codec; | |
1013 | ||
1014 | /* remove the platform */ | |
1015 | if (platform && platform->probed && | |
1016 | platform->driver->remove_order == order) { | |
1017 | soc_remove_platform(platform); | |
1018 | } | |
1019 | ||
1020 | /* remove the CODEC-side CODEC */ | |
1021 | if (codec_dai) { | |
1022 | codec = codec_dai->codec; | |
1023 | if (codec && codec->probed && | |
1024 | codec->driver->remove_order == order) | |
1025 | soc_remove_codec(codec); | |
1026 | } | |
1027 | ||
1028 | /* remove any CPU-side CODEC */ | |
1029 | if (cpu_dai) { | |
1030 | codec = cpu_dai->codec; | |
1031 | if (codec && codec->probed && | |
1032 | codec->driver->remove_order == order) | |
1033 | soc_remove_codec(codec); | |
1034 | } | |
1035 | } | |
1036 | ||
0671fd8e KM |
1037 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1038 | { | |
0168bf0d | 1039 | int dai, order; |
0671fd8e | 1040 | |
0168bf0d LG |
1041 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1042 | order++) { | |
1043 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1044 | soc_remove_link_dais(card, dai, order); |
1045 | } | |
1046 | ||
1047 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1048 | order++) { | |
1049 | for (dai = 0; dai < card->num_rtd; dai++) | |
1050 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1051 | } |
62ae68fa | 1052 | |
0671fd8e KM |
1053 | card->num_rtd = 0; |
1054 | } | |
1055 | ||
ead9b919 JN |
1056 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1057 | struct snd_soc_codec *codec) | |
1058 | { | |
1059 | int i; | |
1060 | ||
ff819b83 | 1061 | if (card->codec_conf == NULL) |
ead9b919 JN |
1062 | return; |
1063 | ||
ff819b83 DP |
1064 | for (i = 0; i < card->num_configs; i++) { |
1065 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1066 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1067 | codec->name_prefix = map->name_prefix; | |
1068 | break; | |
1069 | } | |
1070 | } | |
1071 | } | |
1072 | ||
589c3563 JN |
1073 | static int soc_probe_codec(struct snd_soc_card *card, |
1074 | struct snd_soc_codec *codec) | |
1075 | { | |
1076 | int ret = 0; | |
89b95ac0 | 1077 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1078 | struct snd_soc_dai *dai; |
589c3563 JN |
1079 | |
1080 | codec->card = card; | |
1081 | codec->dapm.card = card; | |
1082 | soc_set_name_prefix(card, codec); | |
1083 | ||
70d29331 JN |
1084 | if (!try_module_get(codec->dev->driver->owner)) |
1085 | return -ENODEV; | |
1086 | ||
d5d1e0be LPC |
1087 | soc_init_codec_debugfs(codec); |
1088 | ||
77530150 LPC |
1089 | if (driver->dapm_widgets) |
1090 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, | |
1091 | driver->num_dapm_widgets); | |
1092 | ||
888df395 MB |
1093 | /* Create DAPM widgets for each DAI stream */ |
1094 | list_for_each_entry(dai, &dai_list, list) { | |
1095 | if (dai->dev != codec->dev) | |
1096 | continue; | |
1097 | ||
1098 | snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1099 | } | |
1100 | ||
33c5f969 MB |
1101 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1102 | ||
89b95ac0 MB |
1103 | if (driver->probe) { |
1104 | ret = driver->probe(codec); | |
589c3563 JN |
1105 | if (ret < 0) { |
1106 | dev_err(codec->dev, | |
f110bfc7 | 1107 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1108 | goto err_probe; |
589c3563 | 1109 | } |
ff541f4b CL |
1110 | WARN(codec->dapm.idle_bias_off && |
1111 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a MM |
1112 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
1113 | codec->name); | |
589c3563 JN |
1114 | } |
1115 | ||
38cbf959 | 1116 | /* If the driver didn't set I/O up try regmap */ |
98d3088e | 1117 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) |
38cbf959 MB |
1118 | snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); |
1119 | ||
b7af1daf | 1120 | if (driver->controls) |
022658be | 1121 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1122 | driver->num_controls); |
89b95ac0 MB |
1123 | if (driver->dapm_routes) |
1124 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1125 | driver->num_dapm_routes); | |
1126 | ||
589c3563 JN |
1127 | /* mark codec as probed and add to card codec list */ |
1128 | codec->probed = 1; | |
1129 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1130 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1131 | |
70d29331 JN |
1132 | return 0; |
1133 | ||
1134 | err_probe: | |
d5d1e0be | 1135 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1136 | module_put(codec->dev->driver->owner); |
1137 | ||
589c3563 JN |
1138 | return ret; |
1139 | } | |
1140 | ||
956245e9 LG |
1141 | static int soc_probe_platform(struct snd_soc_card *card, |
1142 | struct snd_soc_platform *platform) | |
1143 | { | |
1144 | int ret = 0; | |
1145 | const struct snd_soc_platform_driver *driver = platform->driver; | |
be09ad90 | 1146 | struct snd_soc_dai *dai; |
956245e9 LG |
1147 | |
1148 | platform->card = card; | |
b7950641 | 1149 | platform->dapm.card = card; |
956245e9 LG |
1150 | |
1151 | if (!try_module_get(platform->dev->driver->owner)) | |
1152 | return -ENODEV; | |
1153 | ||
731f1ab2 SG |
1154 | soc_init_platform_debugfs(platform); |
1155 | ||
cb2cf612 LG |
1156 | if (driver->dapm_widgets) |
1157 | snd_soc_dapm_new_controls(&platform->dapm, | |
1158 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1159 | ||
be09ad90 LG |
1160 | /* Create DAPM widgets for each DAI stream */ |
1161 | list_for_each_entry(dai, &dai_list, list) { | |
1162 | if (dai->dev != platform->dev) | |
1163 | continue; | |
1164 | ||
1165 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
1166 | } | |
1167 | ||
3fec6b6d SW |
1168 | platform->dapm.idle_bias_off = 1; |
1169 | ||
956245e9 LG |
1170 | if (driver->probe) { |
1171 | ret = driver->probe(platform); | |
1172 | if (ret < 0) { | |
1173 | dev_err(platform->dev, | |
f110bfc7 | 1174 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1175 | goto err_probe; |
1176 | } | |
1177 | } | |
1178 | ||
cb2cf612 LG |
1179 | if (driver->controls) |
1180 | snd_soc_add_platform_controls(platform, driver->controls, | |
1181 | driver->num_controls); | |
1182 | if (driver->dapm_routes) | |
1183 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1184 | driver->num_dapm_routes); | |
1185 | ||
956245e9 LG |
1186 | /* mark platform as probed and add to card platform list */ |
1187 | platform->probed = 1; | |
1188 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1189 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1190 | |
1191 | return 0; | |
1192 | ||
1193 | err_probe: | |
02db1103 | 1194 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1195 | module_put(platform->dev->driver->owner); |
1196 | ||
1197 | return ret; | |
1198 | } | |
1199 | ||
36ae1a96 MB |
1200 | static void rtd_release(struct device *dev) |
1201 | { | |
1202 | kfree(dev); | |
1203 | } | |
f0fba2ad | 1204 | |
589c3563 JN |
1205 | static int soc_post_component_init(struct snd_soc_card *card, |
1206 | struct snd_soc_codec *codec, | |
1207 | int num, int dailess) | |
1208 | { | |
1209 | struct snd_soc_dai_link *dai_link = NULL; | |
1210 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1211 | struct snd_soc_pcm_runtime *rtd; | |
1212 | const char *temp, *name; | |
1213 | int ret = 0; | |
1214 | ||
1215 | if (!dailess) { | |
1216 | dai_link = &card->dai_link[num]; | |
1217 | rtd = &card->rtd[num]; | |
1218 | name = dai_link->name; | |
1219 | } else { | |
1220 | aux_dev = &card->aux_dev[num]; | |
1221 | rtd = &card->rtd_aux[num]; | |
1222 | name = aux_dev->name; | |
1223 | } | |
0962bb21 | 1224 | rtd->card = card; |
589c3563 | 1225 | |
4b1cfcb4 MB |
1226 | /* Make sure all DAPM widgets are instantiated */ |
1227 | snd_soc_dapm_new_widgets(&codec->dapm); | |
1228 | ||
589c3563 JN |
1229 | /* machine controls, routes and widgets are not prefixed */ |
1230 | temp = codec->name_prefix; | |
1231 | codec->name_prefix = NULL; | |
1232 | ||
1233 | /* do machine specific initialization */ | |
1234 | if (!dailess && dai_link->init) | |
1235 | ret = dai_link->init(rtd); | |
1236 | else if (dailess && aux_dev->init) | |
1237 | ret = aux_dev->init(&codec->dapm); | |
1238 | if (ret < 0) { | |
f110bfc7 | 1239 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1240 | return ret; |
1241 | } | |
1242 | codec->name_prefix = temp; | |
1243 | ||
589c3563 JN |
1244 | /* register the rtd device */ |
1245 | rtd->codec = codec; | |
36ae1a96 MB |
1246 | |
1247 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1248 | if (!rtd->dev) | |
1249 | return -ENOMEM; | |
1250 | device_initialize(rtd->dev); | |
1251 | rtd->dev->parent = card->dev; | |
1252 | rtd->dev->release = rtd_release; | |
1253 | rtd->dev->init_name = name; | |
1254 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1255 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1256 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1257 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1258 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1259 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1260 | ret = device_add(rtd->dev); |
589c3563 | 1261 | if (ret < 0) { |
865df9cb CL |
1262 | /* calling put_device() here to free the rtd->dev */ |
1263 | put_device(rtd->dev); | |
589c3563 | 1264 | dev_err(card->dev, |
f110bfc7 | 1265 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1266 | return ret; |
1267 | } | |
1268 | rtd->dev_registered = 1; | |
1269 | ||
1270 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1271 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1272 | if (ret < 0) |
1273 | dev_err(codec->dev, | |
f110bfc7 | 1274 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1275 | |
1276 | /* add codec sysfs entries */ | |
36ae1a96 | 1277 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1278 | if (ret < 0) |
1279 | dev_err(codec->dev, | |
f110bfc7 | 1280 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1281 | |
f86dcef8 LG |
1282 | #ifdef CONFIG_DEBUG_FS |
1283 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1284 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1285 | goto out; |
1286 | ||
1287 | ret = soc_dpcm_debugfs_add(rtd); | |
1288 | if (ret < 0) | |
f110bfc7 | 1289 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1290 | |
1291 | out: | |
1292 | #endif | |
589c3563 JN |
1293 | return 0; |
1294 | } | |
1295 | ||
62ae68fa SW |
1296 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1297 | int order) | |
1298 | { | |
1299 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1300 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1301 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1302 | struct snd_soc_platform *platform = rtd->platform; | |
1303 | int ret; | |
1304 | ||
1305 | /* probe the CPU-side component, if it is a CODEC */ | |
1306 | if (cpu_dai->codec && | |
1307 | !cpu_dai->codec->probed && | |
1308 | cpu_dai->codec->driver->probe_order == order) { | |
1309 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1310 | if (ret < 0) | |
1311 | return ret; | |
1312 | } | |
1313 | ||
1314 | /* probe the CODEC-side component */ | |
1315 | if (!codec_dai->codec->probed && | |
1316 | codec_dai->codec->driver->probe_order == order) { | |
1317 | ret = soc_probe_codec(card, codec_dai->codec); | |
1318 | if (ret < 0) | |
1319 | return ret; | |
1320 | } | |
1321 | ||
1322 | /* probe the platform */ | |
1323 | if (!platform->probed && | |
1324 | platform->driver->probe_order == order) { | |
1325 | ret = soc_probe_platform(card, platform); | |
1326 | if (ret < 0) | |
1327 | return ret; | |
1328 | } | |
1329 | ||
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) | |
f0fba2ad LG |
1334 | { |
1335 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1336 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1337 | struct snd_soc_codec *codec = rtd->codec; | |
1338 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1339 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1340 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1341 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
f0fba2ad LG |
1342 | int ret; |
1343 | ||
f110bfc7 | 1344 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1345 | card->name, num, order); |
f0fba2ad LG |
1346 | |
1347 | /* config components */ | |
f0fba2ad | 1348 | cpu_dai->platform = platform; |
f0fba2ad LG |
1349 | codec_dai->card = card; |
1350 | cpu_dai->card = card; | |
1351 | ||
1352 | /* set default power off timeout */ | |
1353 | rtd->pmdown_time = pmdown_time; | |
1354 | ||
1355 | /* probe the cpu_dai */ | |
0168bf0d LG |
1356 | if (!cpu_dai->probed && |
1357 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1358 | if (!cpu_dai->codec) { |
1359 | cpu_dai->dapm.card = card; | |
1360 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1361 | return -ENODEV; | |
61b61e3c | 1362 | |
18d75644 | 1363 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe SW |
1364 | snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai); |
1365 | } | |
be09ad90 | 1366 | |
f0fba2ad LG |
1367 | if (cpu_dai->driver->probe) { |
1368 | ret = cpu_dai->driver->probe(cpu_dai); | |
1369 | if (ret < 0) { | |
f110bfc7 LG |
1370 | dev_err(cpu_dai->dev, |
1371 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1372 | cpu_dai->name, ret); | |
61b61e3c | 1373 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1374 | return ret; |
1375 | } | |
1376 | } | |
1377 | cpu_dai->probed = 1; | |
1c8371d6 | 1378 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1379 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1380 | } |
1381 | ||
f0fba2ad | 1382 | /* probe the CODEC DAI */ |
0168bf0d | 1383 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { |
f0fba2ad LG |
1384 | if (codec_dai->driver->probe) { |
1385 | ret = codec_dai->driver->probe(codec_dai); | |
fe3e78e0 | 1386 | if (ret < 0) { |
f110bfc7 LG |
1387 | dev_err(codec_dai->dev, |
1388 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1389 | codec_dai->name, ret); | |
f0fba2ad | 1390 | return ret; |
fe3e78e0 MB |
1391 | } |
1392 | } | |
f0fba2ad | 1393 | |
1c8371d6 | 1394 | /* mark codec_dai as probed and add to card dai list */ |
f0fba2ad LG |
1395 | codec_dai->probed = 1; |
1396 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
fe3e78e0 MB |
1397 | } |
1398 | ||
0168bf0d LG |
1399 | /* complete DAI probe during last probe */ |
1400 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1401 | return 0; | |
1402 | ||
589c3563 JN |
1403 | ret = soc_post_component_init(card, codec, num, 0); |
1404 | if (ret) | |
f0fba2ad | 1405 | return ret; |
fe3e78e0 | 1406 | |
36ae1a96 | 1407 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1408 | if (ret < 0) |
f110bfc7 LG |
1409 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1410 | ret); | |
f0fba2ad | 1411 | |
1245b700 NK |
1412 | if (cpu_dai->driver->compress_dai) { |
1413 | /*create compress_device"*/ | |
1414 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1415 | if (ret < 0) { |
f110bfc7 | 1416 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1417 | dai_link->stream_name); |
c74184ed MB |
1418 | return ret; |
1419 | } | |
1420 | } else { | |
1245b700 NK |
1421 | |
1422 | if (!dai_link->params) { | |
1423 | /* create the pcm */ | |
1424 | ret = soc_new_pcm(rtd, num); | |
1425 | if (ret < 0) { | |
f110bfc7 | 1426 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1427 | dai_link->stream_name, ret); |
c74184ed MB |
1428 | return ret; |
1429 | } | |
1245b700 NK |
1430 | } else { |
1431 | /* link the DAI widgets */ | |
1432 | play_w = codec_dai->playback_widget; | |
1433 | capture_w = cpu_dai->capture_widget; | |
1434 | if (play_w && capture_w) { | |
1435 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1436 | capture_w, play_w); | |
1437 | if (ret != 0) { | |
f110bfc7 | 1438 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1439 | play_w->name, capture_w->name, ret); |
1440 | return ret; | |
1441 | } | |
1442 | } | |
c74184ed | 1443 | |
1245b700 NK |
1444 | play_w = cpu_dai->playback_widget; |
1445 | capture_w = codec_dai->capture_widget; | |
1446 | if (play_w && capture_w) { | |
1447 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c74184ed | 1448 | capture_w, play_w); |
1245b700 | 1449 | if (ret != 0) { |
f110bfc7 | 1450 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1451 | play_w->name, capture_w->name, ret); |
1452 | return ret; | |
1453 | } | |
c74184ed MB |
1454 | } |
1455 | } | |
f0fba2ad LG |
1456 | } |
1457 | ||
1458 | /* add platform data for AC97 devices */ | |
1459 | if (rtd->codec_dai->driver->ac97_control) | |
1460 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1461 | ||
1462 | return 0; | |
1463 | } | |
1464 | ||
fe3e78e0 | 1465 | #ifdef CONFIG_SND_SOC_AC97_BUS |
f0fba2ad LG |
1466 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1467 | { | |
1468 | int ret; | |
1469 | ||
fe3e78e0 MB |
1470 | /* Only instantiate AC97 if not already done by the adaptor |
1471 | * for the generic AC97 subsystem. | |
1472 | */ | |
f0fba2ad | 1473 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
0562f788 MW |
1474 | /* |
1475 | * It is possible that the AC97 device is already registered to | |
1476 | * the device subsystem. This happens when the device is created | |
1477 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1478 | * is the generic AC97 glue but others migh emerge. | |
1479 | * | |
1480 | * In those cases we don't try to register the device again. | |
1481 | */ | |
1482 | if (!rtd->codec->ac97_created) | |
1483 | return 0; | |
f0fba2ad LG |
1484 | |
1485 | ret = soc_ac97_dev_register(rtd->codec); | |
fe3e78e0 | 1486 | if (ret < 0) { |
f110bfc7 LG |
1487 | dev_err(rtd->codec->dev, |
1488 | "ASoC: AC97 device register failed: %d\n", ret); | |
f0fba2ad | 1489 | return ret; |
fe3e78e0 | 1490 | } |
f0fba2ad LG |
1491 | |
1492 | rtd->codec->ac97_registered = 1; | |
fe3e78e0 | 1493 | } |
f0fba2ad LG |
1494 | return 0; |
1495 | } | |
1496 | ||
1497 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) | |
1498 | { | |
1499 | if (codec->ac97_registered) { | |
1500 | soc_ac97_dev_unregister(codec); | |
1501 | codec->ac97_registered = 0; | |
1502 | } | |
1503 | } | |
fe3e78e0 MB |
1504 | #endif |
1505 | ||
b19e6e7b MB |
1506 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1507 | { | |
1508 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1509 | struct snd_soc_codec *codec; | |
1510 | ||
1511 | /* find CODEC from registered CODECs*/ | |
1512 | list_for_each_entry(codec, &codec_list, list) { | |
1513 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1514 | return 0; | |
1515 | } | |
1516 | ||
f110bfc7 | 1517 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1518 | |
b19e6e7b MB |
1519 | return -EPROBE_DEFER; |
1520 | } | |
1521 | ||
2eea392d JN |
1522 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1523 | { | |
1524 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1525 | struct snd_soc_codec *codec; |
676ad98a | 1526 | int ret = -ENODEV; |
2eea392d JN |
1527 | |
1528 | /* find CODEC from registered CODECs*/ | |
1529 | list_for_each_entry(codec, &codec_list, list) { | |
1530 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1531 | if (codec->probed) { | |
1532 | dev_err(codec->dev, | |
f110bfc7 | 1533 | "ASoC: codec already probed"); |
2eea392d JN |
1534 | ret = -EBUSY; |
1535 | goto out; | |
1536 | } | |
676ad98a | 1537 | goto found; |
2eea392d JN |
1538 | } |
1539 | } | |
676ad98a | 1540 | /* codec not found */ |
f110bfc7 | 1541 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1542 | return -EPROBE_DEFER; |
2eea392d | 1543 | |
676ad98a | 1544 | found: |
589c3563 | 1545 | ret = soc_probe_codec(card, codec); |
2eea392d | 1546 | if (ret < 0) |
589c3563 | 1547 | return ret; |
2eea392d | 1548 | |
589c3563 | 1549 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1550 | |
1551 | out: | |
1552 | return ret; | |
1553 | } | |
1554 | ||
1555 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1556 | { | |
1557 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1558 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1559 | |
1560 | /* unregister the rtd device */ | |
1561 | if (rtd->dev_registered) { | |
36ae1a96 | 1562 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1563 | device_unregister(rtd->dev); |
2eea392d JN |
1564 | rtd->dev_registered = 0; |
1565 | } | |
1566 | ||
589c3563 JN |
1567 | if (codec && codec->probed) |
1568 | soc_remove_codec(codec); | |
2eea392d JN |
1569 | } |
1570 | ||
fdf0f54d DP |
1571 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
1572 | enum snd_soc_compress_type compress_type) | |
1573 | { | |
1574 | int ret; | |
1575 | ||
1576 | if (codec->cache_init) | |
1577 | return 0; | |
1578 | ||
1579 | /* override the compress_type if necessary */ | |
1580 | if (compress_type && codec->compress_type != compress_type) | |
1581 | codec->compress_type = compress_type; | |
fdf0f54d DP |
1582 | ret = snd_soc_cache_init(codec); |
1583 | if (ret < 0) { | |
10e8aa9a MM |
1584 | dev_err(codec->dev, |
1585 | "ASoC: Failed to set cache compression type: %d\n", | |
1586 | ret); | |
fdf0f54d DP |
1587 | return ret; |
1588 | } | |
1589 | codec->cache_init = 1; | |
1590 | return 0; | |
1591 | } | |
1592 | ||
b19e6e7b | 1593 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1594 | { |
fdf0f54d DP |
1595 | struct snd_soc_codec *codec; |
1596 | struct snd_soc_codec_conf *codec_conf; | |
1597 | enum snd_soc_compress_type compress_type; | |
75d9ac46 | 1598 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1599 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1600 | |
01b9d99a | 1601 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1602 | |
f0fba2ad | 1603 | /* bind DAIs */ |
b19e6e7b MB |
1604 | for (i = 0; i < card->num_links; i++) { |
1605 | ret = soc_bind_dai_link(card, i); | |
1606 | if (ret != 0) | |
1607 | goto base_error; | |
1608 | } | |
fe3e78e0 | 1609 | |
b19e6e7b MB |
1610 | /* check aux_devs too */ |
1611 | for (i = 0; i < card->num_aux_devs; i++) { | |
1612 | ret = soc_check_aux_dev(card, i); | |
1613 | if (ret != 0) | |
1614 | goto base_error; | |
f0fba2ad | 1615 | } |
435c5e25 | 1616 | |
fdf0f54d DP |
1617 | /* initialize the register cache for each available codec */ |
1618 | list_for_each_entry(codec, &codec_list, list) { | |
1619 | if (codec->cache_init) | |
1620 | continue; | |
861f2faf DP |
1621 | /* by default we don't override the compress_type */ |
1622 | compress_type = 0; | |
fdf0f54d DP |
1623 | /* check to see if we need to override the compress_type */ |
1624 | for (i = 0; i < card->num_configs; ++i) { | |
1625 | codec_conf = &card->codec_conf[i]; | |
1626 | if (!strcmp(codec->name, codec_conf->dev_name)) { | |
1627 | compress_type = codec_conf->compress_type; | |
1628 | if (compress_type && compress_type | |
1629 | != codec->compress_type) | |
1630 | break; | |
1631 | } | |
1632 | } | |
fdf0f54d | 1633 | ret = snd_soc_init_codec_cache(codec, compress_type); |
b19e6e7b MB |
1634 | if (ret < 0) |
1635 | goto base_error; | |
fdf0f54d DP |
1636 | } |
1637 | ||
f0fba2ad LG |
1638 | /* card bind complete so register a sound card */ |
1639 | ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, | |
1640 | card->owner, 0, &card->snd_card); | |
1641 | if (ret < 0) { | |
10e8aa9a MM |
1642 | dev_err(card->dev, |
1643 | "ASoC: can't create sound card for card %s: %d\n", | |
1644 | card->name, ret); | |
b19e6e7b | 1645 | goto base_error; |
f0fba2ad LG |
1646 | } |
1647 | card->snd_card->dev = card->dev; | |
1648 | ||
e37a4970 MB |
1649 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1650 | card->dapm.dev = card->dev; | |
1651 | card->dapm.card = card; | |
1652 | list_add(&card->dapm.list, &card->dapm_list); | |
1653 | ||
d5d1e0be LPC |
1654 | #ifdef CONFIG_DEBUG_FS |
1655 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1656 | #endif | |
1657 | ||
88ee1c61 | 1658 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1659 | /* deferred resume work */ |
1660 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1661 | #endif | |
db2a4165 | 1662 | |
9a841ebb MB |
1663 | if (card->dapm_widgets) |
1664 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1665 | card->num_dapm_widgets); | |
1666 | ||
f0fba2ad LG |
1667 | /* initialise the sound card only once */ |
1668 | if (card->probe) { | |
e7361ec4 | 1669 | ret = card->probe(card); |
f0fba2ad LG |
1670 | if (ret < 0) |
1671 | goto card_probe_error; | |
1672 | } | |
fe3e78e0 | 1673 | |
62ae68fa | 1674 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1675 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1676 | order++) { | |
1677 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1678 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1679 | if (ret < 0) { |
f110bfc7 LG |
1680 | dev_err(card->dev, |
1681 | "ASoC: failed to instantiate card %d\n", | |
1682 | ret); | |
62ae68fa SW |
1683 | goto probe_dai_err; |
1684 | } | |
1685 | } | |
1686 | } | |
1687 | ||
1688 | /* probe all DAI links on this card */ | |
1689 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1690 | order++) { | |
1691 | for (i = 0; i < card->num_links; i++) { | |
1692 | ret = soc_probe_link_dais(card, i, order); | |
1693 | if (ret < 0) { | |
f110bfc7 LG |
1694 | dev_err(card->dev, |
1695 | "ASoC: failed to instantiate card %d\n", | |
1696 | ret); | |
0168bf0d LG |
1697 | goto probe_dai_err; |
1698 | } | |
f0fba2ad LG |
1699 | } |
1700 | } | |
db2a4165 | 1701 | |
2eea392d JN |
1702 | for (i = 0; i < card->num_aux_devs; i++) { |
1703 | ret = soc_probe_aux_dev(card, i); | |
1704 | if (ret < 0) { | |
f110bfc7 LG |
1705 | dev_err(card->dev, |
1706 | "ASoC: failed to add auxiliary devices %d\n", | |
1707 | ret); | |
2eea392d JN |
1708 | goto probe_aux_dev_err; |
1709 | } | |
1710 | } | |
1711 | ||
888df395 MB |
1712 | snd_soc_dapm_link_dai_widgets(card); |
1713 | ||
b7af1daf | 1714 | if (card->controls) |
022658be | 1715 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1716 | |
b8ad29de MB |
1717 | if (card->dapm_routes) |
1718 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1719 | card->num_dapm_routes); | |
1720 | ||
b90d2f90 MB |
1721 | snd_soc_dapm_new_widgets(&card->dapm); |
1722 | ||
75d9ac46 MB |
1723 | for (i = 0; i < card->num_links; i++) { |
1724 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1725 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1726 | |
f04209a7 | 1727 | if (dai_fmt) { |
75d9ac46 | 1728 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1729 | dai_fmt); |
5e4ba569 | 1730 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1731 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1732 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1733 | ret); |
f04209a7 MB |
1734 | } |
1735 | ||
1736 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1737 | if (dai_fmt && |
1738 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1739 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1740 | dai_fmt); | |
1741 | if (ret != 0 && ret != -ENOTSUPP) | |
1742 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1743 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1744 | ret); |
1745 | } else if (dai_fmt) { | |
1746 | /* Flip the polarity for the "CPU" end */ | |
1747 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1748 | switch (dai_link->dai_fmt & | |
1749 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1750 | case SND_SOC_DAIFMT_CBM_CFM: | |
1751 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1752 | break; | |
1753 | case SND_SOC_DAIFMT_CBM_CFS: | |
1754 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1755 | break; | |
1756 | case SND_SOC_DAIFMT_CBS_CFM: | |
1757 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1758 | break; | |
1759 | case SND_SOC_DAIFMT_CBS_CFS: | |
1760 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1761 | break; | |
1762 | } | |
75d9ac46 MB |
1763 | |
1764 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1765 | dai_fmt); |
5e4ba569 | 1766 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1767 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1768 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1769 | ret); |
1770 | } | |
1771 | } | |
1772 | ||
f0fba2ad | 1773 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1774 | "%s", card->name); |
22de71ba LG |
1775 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1776 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1777 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1778 | "%s", card->driver_name ? card->driver_name : card->name); | |
1779 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1780 | switch (card->snd_card->driver[i]) { | |
1781 | case '_': | |
1782 | case '-': | |
1783 | case '\0': | |
1784 | break; | |
1785 | default: | |
1786 | if (!isalnum(card->snd_card->driver[i])) | |
1787 | card->snd_card->driver[i] = '_'; | |
1788 | break; | |
1789 | } | |
1790 | } | |
f0fba2ad | 1791 | |
28e9ad92 MB |
1792 | if (card->late_probe) { |
1793 | ret = card->late_probe(card); | |
1794 | if (ret < 0) { | |
f110bfc7 | 1795 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1796 | card->name, ret); |
1797 | goto probe_aux_dev_err; | |
1798 | } | |
1799 | } | |
1800 | ||
2dc00213 MB |
1801 | snd_soc_dapm_new_widgets(&card->dapm); |
1802 | ||
1633281b | 1803 | if (card->fully_routed) |
b05d8dc1 | 1804 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1805 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1806 | ||
f0fba2ad LG |
1807 | ret = snd_card_register(card->snd_card); |
1808 | if (ret < 0) { | |
f110bfc7 LG |
1809 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1810 | ret); | |
6b3ed785 | 1811 | goto probe_aux_dev_err; |
db2a4165 FM |
1812 | } |
1813 | ||
f0fba2ad LG |
1814 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1815 | /* register any AC97 codecs */ | |
1816 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1817 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1818 | if (ret < 0) { | |
10e8aa9a MM |
1819 | dev_err(card->dev, |
1820 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1821 | while (--i >= 0) |
7d8316df | 1822 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
6b3ed785 | 1823 | goto probe_aux_dev_err; |
f0fba2ad | 1824 | } |
6b3ed785 | 1825 | } |
f0fba2ad LG |
1826 | #endif |
1827 | ||
1828 | card->instantiated = 1; | |
4f4c0072 | 1829 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1830 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1831 | |
1832 | return 0; | |
f0fba2ad | 1833 | |
2eea392d JN |
1834 | probe_aux_dev_err: |
1835 | for (i = 0; i < card->num_aux_devs; i++) | |
1836 | soc_remove_aux_dev(card, i); | |
1837 | ||
f0fba2ad | 1838 | probe_dai_err: |
0671fd8e | 1839 | soc_remove_dai_links(card); |
f0fba2ad LG |
1840 | |
1841 | card_probe_error: | |
87506549 | 1842 | if (card->remove) |
e7361ec4 | 1843 | card->remove(card); |
f0fba2ad LG |
1844 | |
1845 | snd_card_free(card->snd_card); | |
1846 | ||
b19e6e7b | 1847 | base_error: |
f0fba2ad | 1848 | mutex_unlock(&card->mutex); |
db2a4165 | 1849 | |
b19e6e7b | 1850 | return ret; |
435c5e25 MB |
1851 | } |
1852 | ||
1853 | /* probes a new socdev */ | |
1854 | static int soc_probe(struct platform_device *pdev) | |
1855 | { | |
f0fba2ad | 1856 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1857 | |
70a7ca34 VK |
1858 | /* |
1859 | * no card, so machine driver should be registering card | |
1860 | * we should not be here in that case so ret error | |
1861 | */ | |
1862 | if (!card) | |
1863 | return -EINVAL; | |
1864 | ||
fe4085e8 | 1865 | dev_warn(&pdev->dev, |
f110bfc7 | 1866 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1867 | card->name); |
1868 | ||
435c5e25 MB |
1869 | /* Bodge while we unpick instantiation */ |
1870 | card->dev = &pdev->dev; | |
f0fba2ad | 1871 | |
28d528c8 | 1872 | return snd_soc_register_card(card); |
db2a4165 FM |
1873 | } |
1874 | ||
b0e26485 | 1875 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1876 | { |
1877 | int i; | |
db2a4165 | 1878 | |
b0e26485 VK |
1879 | /* make sure any delayed work runs */ |
1880 | for (i = 0; i < card->num_rtd; i++) { | |
1881 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1882 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1883 | } |
914dc182 | 1884 | |
b0e26485 VK |
1885 | /* remove auxiliary devices */ |
1886 | for (i = 0; i < card->num_aux_devs; i++) | |
1887 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1888 | |
b0e26485 | 1889 | /* remove and free each DAI */ |
0671fd8e | 1890 | soc_remove_dai_links(card); |
2eea392d | 1891 | |
b0e26485 | 1892 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1893 | |
b0e26485 VK |
1894 | /* remove the card */ |
1895 | if (card->remove) | |
e7361ec4 | 1896 | card->remove(card); |
a6052154 | 1897 | |
0aaae527 LPC |
1898 | snd_soc_dapm_free(&card->dapm); |
1899 | ||
b0e26485 VK |
1900 | snd_card_free(card->snd_card); |
1901 | return 0; | |
1902 | ||
1903 | } | |
1904 | ||
1905 | /* removes a socdev */ | |
1906 | static int soc_remove(struct platform_device *pdev) | |
1907 | { | |
1908 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1909 | |
c5af3a2e | 1910 | snd_soc_unregister_card(card); |
db2a4165 FM |
1911 | return 0; |
1912 | } | |
1913 | ||
6f8ab4ac | 1914 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1915 | { |
6f8ab4ac | 1916 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1917 | int i; |
51737470 MB |
1918 | |
1919 | if (!card->instantiated) | |
416356fc | 1920 | return 0; |
51737470 MB |
1921 | |
1922 | /* Flush out pmdown_time work - we actually do want to run it | |
1923 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1924 | for (i = 0; i < card->num_rtd; i++) { |
1925 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1926 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1927 | } |
51737470 | 1928 | |
f0fba2ad | 1929 | snd_soc_dapm_shutdown(card); |
416356fc MB |
1930 | |
1931 | return 0; | |
51737470 | 1932 | } |
6f8ab4ac | 1933 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1934 | |
6f8ab4ac | 1935 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1936 | .suspend = snd_soc_suspend, |
1937 | .resume = snd_soc_resume, | |
1938 | .freeze = snd_soc_suspend, | |
1939 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1940 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1941 | .restore = snd_soc_resume, |
416356fc | 1942 | }; |
deb2607e | 1943 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1944 | |
db2a4165 FM |
1945 | /* ASoC platform driver */ |
1946 | static struct platform_driver soc_driver = { | |
1947 | .driver = { | |
1948 | .name = "soc-audio", | |
8b45a209 | 1949 | .owner = THIS_MODULE, |
6f8ab4ac | 1950 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1951 | }, |
1952 | .probe = soc_probe, | |
1953 | .remove = soc_remove, | |
db2a4165 FM |
1954 | }; |
1955 | ||
096e49d5 MB |
1956 | /** |
1957 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
1958 | * | |
1959 | * @codec: CODEC to query. | |
1960 | * @reg: Register to query. | |
1961 | * | |
1962 | * Boolean function indiciating if a CODEC register is volatile. | |
1963 | */ | |
181e055e MB |
1964 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
1965 | unsigned int reg) | |
096e49d5 | 1966 | { |
1500b7b5 DP |
1967 | if (codec->volatile_register) |
1968 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
1969 | else |
1970 | return 0; | |
1971 | } | |
1972 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
1973 | ||
239c9706 DP |
1974 | /** |
1975 | * snd_soc_codec_readable_register: Report if a register is readable. | |
1976 | * | |
1977 | * @codec: CODEC to query. | |
1978 | * @reg: Register to query. | |
1979 | * | |
1980 | * Boolean function indicating if a CODEC register is readable. | |
1981 | */ | |
1982 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
1983 | unsigned int reg) | |
1984 | { | |
1985 | if (codec->readable_register) | |
1986 | return codec->readable_register(codec, reg); | |
1987 | else | |
63fa0a28 | 1988 | return 1; |
239c9706 DP |
1989 | } |
1990 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
1991 | ||
1992 | /** | |
1993 | * snd_soc_codec_writable_register: Report if a register is writable. | |
1994 | * | |
1995 | * @codec: CODEC to query. | |
1996 | * @reg: Register to query. | |
1997 | * | |
1998 | * Boolean function indicating if a CODEC register is writable. | |
1999 | */ | |
2000 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
2001 | unsigned int reg) | |
2002 | { | |
2003 | if (codec->writable_register) | |
2004 | return codec->writable_register(codec, reg); | |
2005 | else | |
63fa0a28 | 2006 | return 1; |
239c9706 DP |
2007 | } |
2008 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2009 | ||
f1442bc1 LG |
2010 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2011 | unsigned int reg) | |
2012 | { | |
2013 | unsigned int ret; | |
2014 | ||
2015 | if (!platform->driver->read) { | |
f110bfc7 | 2016 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2017 | return -1; |
2018 | } | |
2019 | ||
2020 | ret = platform->driver->read(platform, reg); | |
2021 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2022 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2023 | |
2024 | return ret; | |
2025 | } | |
2026 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2027 | ||
2028 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2029 | unsigned int reg, unsigned int val) | |
2030 | { | |
2031 | if (!platform->driver->write) { | |
f110bfc7 | 2032 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2033 | return -1; |
2034 | } | |
2035 | ||
2036 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2037 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2038 | return platform->driver->write(platform, reg, val); |
2039 | } | |
2040 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2041 | ||
db2a4165 FM |
2042 | /** |
2043 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2044 | * @codec: audio codec | |
2045 | * @ops: AC97 bus operations | |
2046 | * @num: AC97 codec number | |
2047 | * | |
2048 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2049 | */ | |
2050 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2051 | struct snd_ac97_bus_ops *ops, int num) | |
2052 | { | |
2053 | mutex_lock(&codec->mutex); | |
2054 | ||
2055 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2056 | if (codec->ac97 == NULL) { | |
2057 | mutex_unlock(&codec->mutex); | |
2058 | return -ENOMEM; | |
2059 | } | |
2060 | ||
2061 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2062 | if (codec->ac97->bus == NULL) { | |
2063 | kfree(codec->ac97); | |
2064 | codec->ac97 = NULL; | |
2065 | mutex_unlock(&codec->mutex); | |
2066 | return -ENOMEM; | |
2067 | } | |
2068 | ||
2069 | codec->ac97->bus->ops = ops; | |
2070 | codec->ac97->num = num; | |
0562f788 MW |
2071 | |
2072 | /* | |
2073 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2074 | * device will be registered with the device subsystem later on. | |
2075 | */ | |
2076 | codec->ac97_created = 1; | |
2077 | ||
db2a4165 FM |
2078 | mutex_unlock(&codec->mutex); |
2079 | return 0; | |
2080 | } | |
2081 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2082 | ||
b047e1cc | 2083 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2084 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2085 | |
2086 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2087 | { | |
2088 | if (ops == soc_ac97_ops) | |
2089 | return 0; | |
2090 | ||
2091 | if (soc_ac97_ops && ops) | |
2092 | return -EBUSY; | |
2093 | ||
2094 | soc_ac97_ops = ops; | |
2095 | ||
2096 | return 0; | |
2097 | } | |
2098 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2099 | ||
db2a4165 FM |
2100 | /** |
2101 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2102 | * @codec: audio codec | |
2103 | * | |
2104 | * Frees AC97 codec device resources. | |
2105 | */ | |
2106 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2107 | { | |
2108 | mutex_lock(&codec->mutex); | |
f0fba2ad LG |
2109 | #ifdef CONFIG_SND_SOC_AC97_BUS |
2110 | soc_unregister_ac97_dai_link(codec); | |
2111 | #endif | |
db2a4165 FM |
2112 | kfree(codec->ac97->bus); |
2113 | kfree(codec->ac97); | |
2114 | codec->ac97 = NULL; | |
0562f788 | 2115 | codec->ac97_created = 0; |
db2a4165 FM |
2116 | mutex_unlock(&codec->mutex); |
2117 | } | |
2118 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2119 | ||
c3753707 MB |
2120 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2121 | { | |
2122 | unsigned int ret; | |
2123 | ||
c3acec26 | 2124 | ret = codec->read(codec, reg); |
c3753707 | 2125 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
a8b1d34f | 2126 | trace_snd_soc_reg_read(codec, reg, ret); |
c3753707 MB |
2127 | |
2128 | return ret; | |
2129 | } | |
2130 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2131 | ||
2132 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2133 | unsigned int reg, unsigned int val) | |
2134 | { | |
2135 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
a8b1d34f | 2136 | trace_snd_soc_reg_write(codec, reg, val); |
c3acec26 | 2137 | return codec->write(codec, reg, val); |
c3753707 MB |
2138 | } |
2139 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2140 | ||
5fb609d4 DP |
2141 | unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, |
2142 | unsigned int reg, const void *data, size_t len) | |
2143 | { | |
2144 | return codec->bulk_write_raw(codec, reg, data, len); | |
2145 | } | |
2146 | EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); | |
2147 | ||
db2a4165 FM |
2148 | /** |
2149 | * snd_soc_update_bits - update codec register bits | |
2150 | * @codec: audio codec | |
2151 | * @reg: codec register | |
2152 | * @mask: register mask | |
2153 | * @value: new value | |
2154 | * | |
2155 | * Writes new register value. | |
2156 | * | |
180c329d | 2157 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2158 | */ |
2159 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2160 | unsigned int mask, unsigned int value) |
db2a4165 | 2161 | { |
8a713da8 | 2162 | bool change; |
46f5822f | 2163 | unsigned int old, new; |
180c329d TT |
2164 | int ret; |
2165 | ||
8a713da8 MB |
2166 | if (codec->using_regmap) { |
2167 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2168 | mask, value, &change); | |
2169 | } else { | |
2170 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2171 | if (ret < 0) |
2172 | return ret; | |
8a713da8 MB |
2173 | |
2174 | old = ret; | |
2175 | new = (old & ~mask) | (value & mask); | |
2176 | change = old != new; | |
2177 | if (change) | |
2178 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2179 | } |
db2a4165 | 2180 | |
8a713da8 MB |
2181 | if (ret < 0) |
2182 | return ret; | |
2183 | ||
db2a4165 FM |
2184 | return change; |
2185 | } | |
2186 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2187 | ||
6c508c62 EN |
2188 | /** |
2189 | * snd_soc_update_bits_locked - update codec register bits | |
2190 | * @codec: audio codec | |
2191 | * @reg: codec register | |
2192 | * @mask: register mask | |
2193 | * @value: new value | |
2194 | * | |
2195 | * Writes new register value, and takes the codec mutex. | |
2196 | * | |
2197 | * Returns 1 for change else 0. | |
2198 | */ | |
dd1b3d53 MB |
2199 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2200 | unsigned short reg, unsigned int mask, | |
2201 | unsigned int value) | |
6c508c62 EN |
2202 | { |
2203 | int change; | |
2204 | ||
2205 | mutex_lock(&codec->mutex); | |
2206 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2207 | mutex_unlock(&codec->mutex); | |
2208 | ||
2209 | return change; | |
2210 | } | |
dd1b3d53 | 2211 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2212 | |
db2a4165 FM |
2213 | /** |
2214 | * snd_soc_test_bits - test register for change | |
2215 | * @codec: audio codec | |
2216 | * @reg: codec register | |
2217 | * @mask: register mask | |
2218 | * @value: new value | |
2219 | * | |
2220 | * Tests a register with a new value and checks if the new value is | |
2221 | * different from the old value. | |
2222 | * | |
2223 | * Returns 1 for change else 0. | |
2224 | */ | |
2225 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2226 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2227 | { |
2228 | int change; | |
46f5822f | 2229 | unsigned int old, new; |
db2a4165 | 2230 | |
db2a4165 FM |
2231 | old = snd_soc_read(codec, reg); |
2232 | new = (old & ~mask) | value; | |
2233 | change = old != new; | |
db2a4165 FM |
2234 | |
2235 | return change; | |
2236 | } | |
2237 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2238 | ||
db2a4165 FM |
2239 | /** |
2240 | * snd_soc_cnew - create new control | |
2241 | * @_template: control template | |
2242 | * @data: control private data | |
ac11a2b3 | 2243 | * @long_name: control long name |
efb7ac3f | 2244 | * @prefix: control name prefix |
db2a4165 FM |
2245 | * |
2246 | * Create a new mixer control from a template control. | |
2247 | * | |
2248 | * Returns 0 for success, else error. | |
2249 | */ | |
2250 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2251 | void *data, const char *long_name, |
efb7ac3f | 2252 | const char *prefix) |
db2a4165 FM |
2253 | { |
2254 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2255 | struct snd_kcontrol *kcontrol; |
2256 | char *name = NULL; | |
db2a4165 FM |
2257 | |
2258 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2259 | template.index = 0; |
2260 | ||
efb7ac3f MB |
2261 | if (!long_name) |
2262 | long_name = template.name; | |
2263 | ||
2264 | if (prefix) { | |
2b581074 | 2265 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2266 | if (!name) |
2267 | return NULL; | |
2268 | ||
efb7ac3f MB |
2269 | template.name = name; |
2270 | } else { | |
2271 | template.name = long_name; | |
2272 | } | |
2273 | ||
2274 | kcontrol = snd_ctl_new1(&template, data); | |
2275 | ||
2276 | kfree(name); | |
2277 | ||
2278 | return kcontrol; | |
db2a4165 FM |
2279 | } |
2280 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2281 | ||
022658be LG |
2282 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2283 | const struct snd_kcontrol_new *controls, int num_controls, | |
2284 | const char *prefix, void *data) | |
2285 | { | |
2286 | int err, i; | |
2287 | ||
2288 | for (i = 0; i < num_controls; i++) { | |
2289 | const struct snd_kcontrol_new *control = &controls[i]; | |
2290 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2291 | control->name, prefix)); | |
2292 | if (err < 0) { | |
f110bfc7 LG |
2293 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2294 | control->name, err); | |
022658be LG |
2295 | return err; |
2296 | } | |
2297 | } | |
2298 | ||
2299 | return 0; | |
2300 | } | |
2301 | ||
3e8e1952 | 2302 | /** |
022658be LG |
2303 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2304 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2305 | * duplicating this code. |
2306 | * | |
2307 | * @codec: codec to add controls to | |
2308 | * @controls: array of controls to add | |
2309 | * @num_controls: number of elements in the array | |
2310 | * | |
2311 | * Return 0 for success, else error. | |
2312 | */ | |
022658be | 2313 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2314 | const struct snd_kcontrol_new *controls, int num_controls) |
2315 | { | |
f0fba2ad | 2316 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2317 | |
022658be LG |
2318 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2319 | codec->name_prefix, codec); | |
3e8e1952 | 2320 | } |
022658be | 2321 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2322 | |
a491a5c8 LG |
2323 | /** |
2324 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2325 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2326 | * |
2327 | * @platform: platform to add controls to | |
2328 | * @controls: array of controls to add | |
2329 | * @num_controls: number of elements in the array | |
2330 | * | |
2331 | * Return 0 for success, else error. | |
2332 | */ | |
2333 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2334 | const struct snd_kcontrol_new *controls, int num_controls) | |
2335 | { | |
2336 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2337 | |
022658be LG |
2338 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2339 | NULL, platform); | |
a491a5c8 LG |
2340 | } |
2341 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2342 | ||
022658be LG |
2343 | /** |
2344 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2345 | * Convenience function to add a list of controls. | |
2346 | * | |
2347 | * @soc_card: SoC card to add controls to | |
2348 | * @controls: array of controls to add | |
2349 | * @num_controls: number of elements in the array | |
2350 | * | |
2351 | * Return 0 for success, else error. | |
2352 | */ | |
2353 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2354 | const struct snd_kcontrol_new *controls, int num_controls) | |
2355 | { | |
2356 | struct snd_card *card = soc_card->snd_card; | |
2357 | ||
2358 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2359 | NULL, soc_card); | |
2360 | } | |
2361 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2362 | ||
2363 | /** | |
2364 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2365 | * Convienience function to add a list of controls. | |
2366 | * | |
2367 | * @dai: DAI to add controls to | |
2368 | * @controls: array of controls to add | |
2369 | * @num_controls: number of elements in the array | |
2370 | * | |
2371 | * Return 0 for success, else error. | |
2372 | */ | |
2373 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2374 | const struct snd_kcontrol_new *controls, int num_controls) | |
2375 | { | |
2376 | struct snd_card *card = dai->card->snd_card; | |
2377 | ||
2378 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2379 | NULL, dai); | |
2380 | } | |
2381 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2382 | ||
db2a4165 FM |
2383 | /** |
2384 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2385 | * @kcontrol: mixer control | |
2386 | * @uinfo: control element information | |
2387 | * | |
2388 | * Callback to provide information about a double enumerated | |
2389 | * mixer control. | |
2390 | * | |
2391 | * Returns 0 for success. | |
2392 | */ | |
2393 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2394 | struct snd_ctl_elem_info *uinfo) | |
2395 | { | |
2396 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2397 | ||
2398 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2399 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
f8ba0b7b | 2400 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2401 | |
f8ba0b7b JS |
2402 | if (uinfo->value.enumerated.item > e->max - 1) |
2403 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2404 | strcpy(uinfo->value.enumerated.name, |
2405 | e->texts[uinfo->value.enumerated.item]); | |
2406 | return 0; | |
2407 | } | |
2408 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2409 | ||
2410 | /** | |
2411 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2412 | * @kcontrol: mixer control | |
ac11a2b3 | 2413 | * @ucontrol: control element information |
db2a4165 FM |
2414 | * |
2415 | * Callback to get the value of a double enumerated mixer. | |
2416 | * | |
2417 | * Returns 0 for success. | |
2418 | */ | |
2419 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2420 | struct snd_ctl_elem_value *ucontrol) | |
2421 | { | |
2422 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2423 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
86767b7d | 2424 | unsigned int val; |
db2a4165 | 2425 | |
db2a4165 | 2426 | val = snd_soc_read(codec, e->reg); |
3ff3f64b | 2427 | ucontrol->value.enumerated.item[0] |
86767b7d | 2428 | = (val >> e->shift_l) & e->mask; |
db2a4165 FM |
2429 | if (e->shift_l != e->shift_r) |
2430 | ucontrol->value.enumerated.item[1] = | |
86767b7d | 2431 | (val >> e->shift_r) & e->mask; |
db2a4165 FM |
2432 | |
2433 | return 0; | |
2434 | } | |
2435 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2436 | ||
2437 | /** | |
2438 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2439 | * @kcontrol: mixer control | |
ac11a2b3 | 2440 | * @ucontrol: control element information |
db2a4165 FM |
2441 | * |
2442 | * Callback to set the value of a double enumerated mixer. | |
2443 | * | |
2444 | * Returns 0 for success. | |
2445 | */ | |
2446 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2447 | struct snd_ctl_elem_value *ucontrol) | |
2448 | { | |
2449 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2450 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
46f5822f | 2451 | unsigned int val; |
86767b7d | 2452 | unsigned int mask; |
db2a4165 | 2453 | |
f8ba0b7b | 2454 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
db2a4165 FM |
2455 | return -EINVAL; |
2456 | val = ucontrol->value.enumerated.item[0] << e->shift_l; | |
86767b7d | 2457 | mask = e->mask << e->shift_l; |
db2a4165 | 2458 | if (e->shift_l != e->shift_r) { |
f8ba0b7b | 2459 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
db2a4165 FM |
2460 | return -EINVAL; |
2461 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; | |
86767b7d | 2462 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2463 | } |
2464 | ||
6c508c62 | 2465 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2466 | } |
2467 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2468 | ||
2e72f8e3 PU |
2469 | /** |
2470 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback | |
2471 | * @kcontrol: mixer control | |
2472 | * @ucontrol: control element information | |
2473 | * | |
2474 | * Callback to get the value of a double semi enumerated mixer. | |
2475 | * | |
2476 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2477 | * used for handling bitfield coded enumeration for example. | |
2478 | * | |
2479 | * Returns 0 for success. | |
2480 | */ | |
2481 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, | |
2482 | struct snd_ctl_elem_value *ucontrol) | |
2483 | { | |
2484 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2485 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f | 2486 | unsigned int reg_val, val, mux; |
2e72f8e3 PU |
2487 | |
2488 | reg_val = snd_soc_read(codec, e->reg); | |
2489 | val = (reg_val >> e->shift_l) & e->mask; | |
2490 | for (mux = 0; mux < e->max; mux++) { | |
2491 | if (val == e->values[mux]) | |
2492 | break; | |
2493 | } | |
2494 | ucontrol->value.enumerated.item[0] = mux; | |
2495 | if (e->shift_l != e->shift_r) { | |
2496 | val = (reg_val >> e->shift_r) & e->mask; | |
2497 | for (mux = 0; mux < e->max; mux++) { | |
2498 | if (val == e->values[mux]) | |
2499 | break; | |
2500 | } | |
2501 | ucontrol->value.enumerated.item[1] = mux; | |
2502 | } | |
2503 | ||
2504 | return 0; | |
2505 | } | |
2506 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); | |
2507 | ||
2508 | /** | |
2509 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback | |
2510 | * @kcontrol: mixer control | |
2511 | * @ucontrol: control element information | |
2512 | * | |
2513 | * Callback to set the value of a double semi enumerated mixer. | |
2514 | * | |
2515 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2516 | * used for handling bitfield coded enumeration for example. | |
2517 | * | |
2518 | * Returns 0 for success. | |
2519 | */ | |
2520 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, | |
2521 | struct snd_ctl_elem_value *ucontrol) | |
2522 | { | |
2523 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2524 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f DR |
2525 | unsigned int val; |
2526 | unsigned int mask; | |
2e72f8e3 PU |
2527 | |
2528 | if (ucontrol->value.enumerated.item[0] > e->max - 1) | |
2529 | return -EINVAL; | |
2530 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; | |
2531 | mask = e->mask << e->shift_l; | |
2532 | if (e->shift_l != e->shift_r) { | |
2533 | if (ucontrol->value.enumerated.item[1] > e->max - 1) | |
2534 | return -EINVAL; | |
2535 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; | |
2536 | mask |= e->mask << e->shift_r; | |
2537 | } | |
2538 | ||
6c508c62 | 2539 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
2e72f8e3 PU |
2540 | } |
2541 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); | |
2542 | ||
db2a4165 FM |
2543 | /** |
2544 | * snd_soc_info_enum_ext - external enumerated single mixer info callback | |
2545 | * @kcontrol: mixer control | |
2546 | * @uinfo: control element information | |
2547 | * | |
2548 | * Callback to provide information about an external enumerated | |
2549 | * single mixer. | |
2550 | * | |
2551 | * Returns 0 for success. | |
2552 | */ | |
2553 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, | |
2554 | struct snd_ctl_elem_info *uinfo) | |
2555 | { | |
2556 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2557 | ||
2558 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2559 | uinfo->count = 1; | |
f8ba0b7b | 2560 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2561 | |
f8ba0b7b JS |
2562 | if (uinfo->value.enumerated.item > e->max - 1) |
2563 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2564 | strcpy(uinfo->value.enumerated.name, |
2565 | e->texts[uinfo->value.enumerated.item]); | |
2566 | return 0; | |
2567 | } | |
2568 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); | |
2569 | ||
2570 | /** | |
2571 | * snd_soc_info_volsw_ext - external single mixer info callback | |
2572 | * @kcontrol: mixer control | |
2573 | * @uinfo: control element information | |
2574 | * | |
2575 | * Callback to provide information about a single external mixer control. | |
2576 | * | |
2577 | * Returns 0 for success. | |
2578 | */ | |
2579 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, | |
2580 | struct snd_ctl_elem_info *uinfo) | |
2581 | { | |
a7a4ac86 PZ |
2582 | int max = kcontrol->private_value; |
2583 | ||
fd5dfad9 | 2584 | if (max == 1 && !strstr(kcontrol->id.name, " Volume")) |
a7a4ac86 PZ |
2585 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2586 | else | |
2587 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
db2a4165 | 2588 | |
db2a4165 FM |
2589 | uinfo->count = 1; |
2590 | uinfo->value.integer.min = 0; | |
a7a4ac86 | 2591 | uinfo->value.integer.max = max; |
db2a4165 FM |
2592 | return 0; |
2593 | } | |
2594 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); | |
2595 | ||
db2a4165 FM |
2596 | /** |
2597 | * snd_soc_info_volsw - single mixer info callback | |
2598 | * @kcontrol: mixer control | |
2599 | * @uinfo: control element information | |
2600 | * | |
e8f5a103 PU |
2601 | * Callback to provide information about a single mixer control, or a double |
2602 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2603 | * |
2604 | * Returns 0 for success. | |
2605 | */ | |
2606 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2607 | struct snd_ctl_elem_info *uinfo) | |
2608 | { | |
4eaa9819 JS |
2609 | struct soc_mixer_control *mc = |
2610 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2611 | int platform_max; |
db2a4165 | 2612 | |
d11bb4a9 PU |
2613 | if (!mc->platform_max) |
2614 | mc->platform_max = mc->max; | |
2615 | platform_max = mc->platform_max; | |
2616 | ||
2617 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2618 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2619 | else | |
2620 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2621 | ||
e8f5a103 | 2622 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2623 | uinfo->value.integer.min = 0; |
d11bb4a9 | 2624 | uinfo->value.integer.max = platform_max; |
db2a4165 FM |
2625 | return 0; |
2626 | } | |
2627 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2628 | ||
2629 | /** | |
2630 | * snd_soc_get_volsw - single mixer get callback | |
2631 | * @kcontrol: mixer control | |
ac11a2b3 | 2632 | * @ucontrol: control element information |
db2a4165 | 2633 | * |
f7915d99 PU |
2634 | * Callback to get the value of a single mixer control, or a double mixer |
2635 | * control that spans 2 registers. | |
db2a4165 FM |
2636 | * |
2637 | * Returns 0 for success. | |
2638 | */ | |
2639 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2640 | struct snd_ctl_elem_value *ucontrol) | |
2641 | { | |
4eaa9819 JS |
2642 | struct soc_mixer_control *mc = |
2643 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2644 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2645 | unsigned int reg = mc->reg; |
f7915d99 | 2646 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2647 | unsigned int shift = mc->shift; |
2648 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2649 | int max = mc->max; |
815ecf8d JS |
2650 | unsigned int mask = (1 << fls(max)) - 1; |
2651 | unsigned int invert = mc->invert; | |
db2a4165 FM |
2652 | |
2653 | ucontrol->value.integer.value[0] = | |
2654 | (snd_soc_read(codec, reg) >> shift) & mask; | |
f7915d99 | 2655 | if (invert) |
db2a4165 | 2656 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2657 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2658 | |
2659 | if (snd_soc_volsw_is_stereo(mc)) { | |
2660 | if (reg == reg2) | |
2661 | ucontrol->value.integer.value[1] = | |
2662 | (snd_soc_read(codec, reg) >> rshift) & mask; | |
2663 | else | |
2664 | ucontrol->value.integer.value[1] = | |
2665 | (snd_soc_read(codec, reg2) >> shift) & mask; | |
2666 | if (invert) | |
db2a4165 | 2667 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2668 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2669 | } |
2670 | ||
2671 | return 0; | |
2672 | } | |
2673 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2674 | ||
2675 | /** | |
2676 | * snd_soc_put_volsw - single mixer put callback | |
2677 | * @kcontrol: mixer control | |
ac11a2b3 | 2678 | * @ucontrol: control element information |
db2a4165 | 2679 | * |
974815ba PU |
2680 | * Callback to set the value of a single mixer control, or a double mixer |
2681 | * control that spans 2 registers. | |
db2a4165 FM |
2682 | * |
2683 | * Returns 0 for success. | |
2684 | */ | |
2685 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2686 | struct snd_ctl_elem_value *ucontrol) | |
2687 | { | |
4eaa9819 JS |
2688 | struct soc_mixer_control *mc = |
2689 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2690 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2691 | unsigned int reg = mc->reg; |
974815ba | 2692 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2693 | unsigned int shift = mc->shift; |
2694 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2695 | int max = mc->max; |
815ecf8d JS |
2696 | unsigned int mask = (1 << fls(max)) - 1; |
2697 | unsigned int invert = mc->invert; | |
974815ba PU |
2698 | int err; |
2699 | bool type_2r = 0; | |
2700 | unsigned int val2 = 0; | |
2701 | unsigned int val, val_mask; | |
db2a4165 FM |
2702 | |
2703 | val = (ucontrol->value.integer.value[0] & mask); | |
2704 | if (invert) | |
a7a4ac86 | 2705 | val = max - val; |
db2a4165 FM |
2706 | val_mask = mask << shift; |
2707 | val = val << shift; | |
974815ba | 2708 | if (snd_soc_volsw_is_stereo(mc)) { |
db2a4165 FM |
2709 | val2 = (ucontrol->value.integer.value[1] & mask); |
2710 | if (invert) | |
a7a4ac86 | 2711 | val2 = max - val2; |
974815ba PU |
2712 | if (reg == reg2) { |
2713 | val_mask |= mask << rshift; | |
2714 | val |= val2 << rshift; | |
2715 | } else { | |
2716 | val2 = val2 << shift; | |
2717 | type_2r = 1; | |
2718 | } | |
db2a4165 | 2719 | } |
6c508c62 | 2720 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2721 | if (err < 0) |
db2a4165 FM |
2722 | return err; |
2723 | ||
974815ba PU |
2724 | if (type_2r) |
2725 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2726 | ||
db2a4165 FM |
2727 | return err; |
2728 | } | |
974815ba | 2729 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2730 | |
1d99f243 BA |
2731 | /** |
2732 | * snd_soc_get_volsw_sx - single mixer get callback | |
2733 | * @kcontrol: mixer control | |
2734 | * @ucontrol: control element information | |
2735 | * | |
2736 | * Callback to get the value of a single mixer control, or a double mixer | |
2737 | * control that spans 2 registers. | |
2738 | * | |
2739 | * Returns 0 for success. | |
2740 | */ | |
2741 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2742 | struct snd_ctl_elem_value *ucontrol) | |
2743 | { | |
2744 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2745 | struct soc_mixer_control *mc = | |
2746 | (struct soc_mixer_control *)kcontrol->private_value; | |
2747 | ||
2748 | unsigned int reg = mc->reg; | |
2749 | unsigned int reg2 = mc->rreg; | |
2750 | unsigned int shift = mc->shift; | |
2751 | unsigned int rshift = mc->rshift; | |
2752 | int max = mc->max; | |
2753 | int min = mc->min; | |
2754 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2755 | ||
2756 | ucontrol->value.integer.value[0] = | |
2757 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2758 | ||
2759 | if (snd_soc_volsw_is_stereo(mc)) | |
2760 | ucontrol->value.integer.value[1] = | |
2761 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2762 | ||
2763 | return 0; | |
2764 | } | |
2765 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2766 | ||
2767 | /** | |
2768 | * snd_soc_put_volsw_sx - double mixer set callback | |
2769 | * @kcontrol: mixer control | |
2770 | * @uinfo: control element information | |
2771 | * | |
2772 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2773 | * | |
2774 | * Returns 0 for success. | |
2775 | */ | |
2776 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2777 | struct snd_ctl_elem_value *ucontrol) | |
2778 | { | |
2779 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2780 | struct soc_mixer_control *mc = | |
2781 | (struct soc_mixer_control *)kcontrol->private_value; | |
2782 | ||
2783 | unsigned int reg = mc->reg; | |
2784 | unsigned int reg2 = mc->rreg; | |
2785 | unsigned int shift = mc->shift; | |
2786 | unsigned int rshift = mc->rshift; | |
2787 | int max = mc->max; | |
2788 | int min = mc->min; | |
2789 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2790 | int err = 0; |
1d99f243 BA |
2791 | unsigned short val, val_mask, val2 = 0; |
2792 | ||
2793 | val_mask = mask << shift; | |
2794 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2795 | val = val << shift; | |
2796 | ||
d055852e MN |
2797 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2798 | if (err < 0) | |
2799 | return err; | |
1d99f243 BA |
2800 | |
2801 | if (snd_soc_volsw_is_stereo(mc)) { | |
2802 | val_mask = mask << rshift; | |
2803 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2804 | val2 = val2 << rshift; | |
2805 | ||
2806 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2807 | return err; | |
2808 | } | |
2809 | return 0; | |
2810 | } | |
2811 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2812 | ||
e13ac2e9 MB |
2813 | /** |
2814 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2815 | * @kcontrol: mixer control | |
2816 | * @uinfo: control element information | |
2817 | * | |
2818 | * Callback to provide information about a signed mixer control. | |
2819 | * | |
2820 | * Returns 0 for success. | |
2821 | */ | |
2822 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2823 | struct snd_ctl_elem_info *uinfo) | |
2824 | { | |
4eaa9819 JS |
2825 | struct soc_mixer_control *mc = |
2826 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2827 | int platform_max; |
4eaa9819 | 2828 | int min = mc->min; |
e13ac2e9 | 2829 | |
d11bb4a9 PU |
2830 | if (!mc->platform_max) |
2831 | mc->platform_max = mc->max; | |
2832 | platform_max = mc->platform_max; | |
2833 | ||
e13ac2e9 MB |
2834 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2835 | uinfo->count = 2; | |
2836 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2837 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2838 | return 0; |
2839 | } | |
2840 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2841 | ||
2842 | /** | |
2843 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2844 | * @kcontrol: mixer control | |
ac11a2b3 | 2845 | * @ucontrol: control element information |
e13ac2e9 MB |
2846 | * |
2847 | * Callback to get the value of a signed mixer control. | |
2848 | * | |
2849 | * Returns 0 for success. | |
2850 | */ | |
2851 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2852 | struct snd_ctl_elem_value *ucontrol) | |
2853 | { | |
4eaa9819 JS |
2854 | struct soc_mixer_control *mc = |
2855 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2856 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2857 | unsigned int reg = mc->reg; |
4eaa9819 | 2858 | int min = mc->min; |
e13ac2e9 MB |
2859 | int val = snd_soc_read(codec, reg); |
2860 | ||
2861 | ucontrol->value.integer.value[0] = | |
2862 | ((signed char)(val & 0xff))-min; | |
2863 | ucontrol->value.integer.value[1] = | |
2864 | ((signed char)((val >> 8) & 0xff))-min; | |
2865 | return 0; | |
2866 | } | |
2867 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2868 | ||
2869 | /** | |
2870 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2871 | * @kcontrol: mixer control | |
ac11a2b3 | 2872 | * @ucontrol: control element information |
e13ac2e9 MB |
2873 | * |
2874 | * Callback to set the value of a signed mixer control. | |
2875 | * | |
2876 | * Returns 0 for success. | |
2877 | */ | |
2878 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2879 | struct snd_ctl_elem_value *ucontrol) | |
2880 | { | |
4eaa9819 JS |
2881 | struct soc_mixer_control *mc = |
2882 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2883 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2884 | unsigned int reg = mc->reg; |
4eaa9819 | 2885 | int min = mc->min; |
46f5822f | 2886 | unsigned int val; |
e13ac2e9 MB |
2887 | |
2888 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2889 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2890 | ||
6c508c62 | 2891 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
2892 | } |
2893 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2894 | ||
6c9d8cf6 AT |
2895 | /** |
2896 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2897 | * @kcontrol: mixer control | |
2898 | * @uinfo: control element information | |
2899 | * | |
2900 | * Callback to provide information, within a range, about a single | |
2901 | * mixer control. | |
2902 | * | |
2903 | * returns 0 for success. | |
2904 | */ | |
2905 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2906 | struct snd_ctl_elem_info *uinfo) | |
2907 | { | |
2908 | struct soc_mixer_control *mc = | |
2909 | (struct soc_mixer_control *)kcontrol->private_value; | |
2910 | int platform_max; | |
2911 | int min = mc->min; | |
2912 | ||
2913 | if (!mc->platform_max) | |
2914 | mc->platform_max = mc->max; | |
2915 | platform_max = mc->platform_max; | |
2916 | ||
2917 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2918 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2919 | uinfo->value.integer.min = 0; |
2920 | uinfo->value.integer.max = platform_max - min; | |
2921 | ||
2922 | return 0; | |
2923 | } | |
2924 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2925 | ||
2926 | /** | |
2927 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2928 | * @kcontrol: mixer control | |
2929 | * @ucontrol: control element information | |
2930 | * | |
2931 | * Callback to set the value, within a range, for a single mixer control. | |
2932 | * | |
2933 | * Returns 0 for success. | |
2934 | */ | |
2935 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2936 | struct snd_ctl_elem_value *ucontrol) | |
2937 | { | |
2938 | struct soc_mixer_control *mc = | |
2939 | (struct soc_mixer_control *)kcontrol->private_value; | |
2940 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2941 | unsigned int reg = mc->reg; | |
9bde4f0b | 2942 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2943 | unsigned int shift = mc->shift; |
2944 | int min = mc->min; | |
2945 | int max = mc->max; | |
2946 | unsigned int mask = (1 << fls(max)) - 1; | |
2947 | unsigned int invert = mc->invert; | |
2948 | unsigned int val, val_mask; | |
9bde4f0b | 2949 | int ret; |
6c9d8cf6 AT |
2950 | |
2951 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
2952 | if (invert) | |
2953 | val = max - val; | |
2954 | val_mask = mask << shift; | |
2955 | val = val << shift; | |
2956 | ||
9bde4f0b | 2957 | ret = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
0eaa6cca | 2958 | if (ret < 0) |
9bde4f0b MB |
2959 | return ret; |
2960 | ||
2961 | if (snd_soc_volsw_is_stereo(mc)) { | |
2962 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
2963 | if (invert) | |
2964 | val = max - val; | |
2965 | val_mask = mask << shift; | |
2966 | val = val << shift; | |
2967 | ||
2968 | ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val); | |
2969 | } | |
2970 | ||
2971 | return ret; | |
6c9d8cf6 AT |
2972 | } |
2973 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
2974 | ||
2975 | /** | |
2976 | * snd_soc_get_volsw_range - single mixer get callback with range | |
2977 | * @kcontrol: mixer control | |
2978 | * @ucontrol: control element information | |
2979 | * | |
2980 | * Callback to get the value, within a range, of a single mixer control. | |
2981 | * | |
2982 | * Returns 0 for success. | |
2983 | */ | |
2984 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
2985 | struct snd_ctl_elem_value *ucontrol) | |
2986 | { | |
2987 | struct soc_mixer_control *mc = | |
2988 | (struct soc_mixer_control *)kcontrol->private_value; | |
2989 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2990 | unsigned int reg = mc->reg; | |
9bde4f0b | 2991 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2992 | unsigned int shift = mc->shift; |
2993 | int min = mc->min; | |
2994 | int max = mc->max; | |
2995 | unsigned int mask = (1 << fls(max)) - 1; | |
2996 | unsigned int invert = mc->invert; | |
2997 | ||
2998 | ucontrol->value.integer.value[0] = | |
2999 | (snd_soc_read(codec, reg) >> shift) & mask; | |
3000 | if (invert) | |
3001 | ucontrol->value.integer.value[0] = | |
3002 | max - ucontrol->value.integer.value[0]; | |
3003 | ucontrol->value.integer.value[0] = | |
3004 | ucontrol->value.integer.value[0] - min; | |
3005 | ||
9bde4f0b MB |
3006 | if (snd_soc_volsw_is_stereo(mc)) { |
3007 | ucontrol->value.integer.value[1] = | |
3008 | (snd_soc_read(codec, rreg) >> shift) & mask; | |
3009 | if (invert) | |
3010 | ucontrol->value.integer.value[1] = | |
3011 | max - ucontrol->value.integer.value[1]; | |
3012 | ucontrol->value.integer.value[1] = | |
3013 | ucontrol->value.integer.value[1] - min; | |
3014 | } | |
3015 | ||
6c9d8cf6 AT |
3016 | return 0; |
3017 | } | |
3018 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3019 | ||
637d3847 PU |
3020 | /** |
3021 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3022 | * | |
3023 | * @codec: where to look for the control | |
3024 | * @name: Name of the control | |
3025 | * @max: new maximum limit | |
3026 | * | |
3027 | * Return 0 for success, else error. | |
3028 | */ | |
3029 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3030 | const char *name, int max) | |
3031 | { | |
f0fba2ad | 3032 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3033 | struct snd_kcontrol *kctl; |
3034 | struct soc_mixer_control *mc; | |
3035 | int found = 0; | |
3036 | int ret = -EINVAL; | |
3037 | ||
3038 | /* Sanity check for name and max */ | |
3039 | if (unlikely(!name || max <= 0)) | |
3040 | return -EINVAL; | |
3041 | ||
3042 | list_for_each_entry(kctl, &card->controls, list) { | |
3043 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3044 | found = 1; | |
3045 | break; | |
3046 | } | |
3047 | } | |
3048 | if (found) { | |
3049 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3050 | if (max <= mc->max) { | |
d11bb4a9 | 3051 | mc->platform_max = max; |
637d3847 PU |
3052 | ret = 0; |
3053 | } | |
3054 | } | |
3055 | return ret; | |
3056 | } | |
3057 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3058 | ||
71d08516 MB |
3059 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3060 | struct snd_ctl_elem_info *uinfo) | |
3061 | { | |
3062 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3063 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3064 | ||
3065 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3066 | uinfo->count = params->num_regs * codec->val_bytes; | |
3067 | ||
3068 | return 0; | |
3069 | } | |
3070 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3071 | ||
3072 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3073 | struct snd_ctl_elem_value *ucontrol) | |
3074 | { | |
3075 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3076 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3077 | int ret; | |
3078 | ||
3079 | if (codec->using_regmap) | |
3080 | ret = regmap_raw_read(codec->control_data, params->base, | |
3081 | ucontrol->value.bytes.data, | |
3082 | params->num_regs * codec->val_bytes); | |
3083 | else | |
3084 | ret = -EINVAL; | |
3085 | ||
f831b055 MB |
3086 | /* Hide any masked bytes to ensure consistent data reporting */ |
3087 | if (ret == 0 && params->mask) { | |
3088 | switch (codec->val_bytes) { | |
3089 | case 1: | |
3090 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3091 | break; | |
3092 | case 2: | |
3093 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
3094 | &= ~params->mask; | |
3095 | break; | |
3096 | case 4: | |
3097 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
3098 | &= ~params->mask; | |
3099 | break; | |
3100 | default: | |
3101 | return -EINVAL; | |
3102 | } | |
3103 | } | |
3104 | ||
71d08516 MB |
3105 | return ret; |
3106 | } | |
3107 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3108 | ||
3109 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3110 | struct snd_ctl_elem_value *ucontrol) | |
3111 | { | |
3112 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3113 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 MB |
3114 | int ret, len; |
3115 | unsigned int val; | |
3116 | void *data; | |
71d08516 | 3117 | |
f831b055 MB |
3118 | if (!codec->using_regmap) |
3119 | return -EINVAL; | |
3120 | ||
f831b055 MB |
3121 | len = params->num_regs * codec->val_bytes; |
3122 | ||
b5a8fe43 MB |
3123 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3124 | if (!data) | |
3125 | return -ENOMEM; | |
3126 | ||
f831b055 MB |
3127 | /* |
3128 | * If we've got a mask then we need to preserve the register | |
3129 | * bits. We shouldn't modify the incoming data so take a | |
3130 | * copy. | |
3131 | */ | |
3132 | if (params->mask) { | |
3133 | ret = regmap_read(codec->control_data, params->base, &val); | |
3134 | if (ret != 0) | |
e8b18add | 3135 | goto out; |
f831b055 MB |
3136 | |
3137 | val &= params->mask; | |
3138 | ||
f831b055 MB |
3139 | switch (codec->val_bytes) { |
3140 | case 1: | |
3141 | ((u8 *)data)[0] &= ~params->mask; | |
3142 | ((u8 *)data)[0] |= val; | |
3143 | break; | |
3144 | case 2: | |
3145 | ((u16 *)data)[0] &= cpu_to_be16(~params->mask); | |
3146 | ((u16 *)data)[0] |= cpu_to_be16(val); | |
3147 | break; | |
3148 | case 4: | |
3149 | ((u32 *)data)[0] &= cpu_to_be32(~params->mask); | |
3150 | ((u32 *)data)[0] |= cpu_to_be32(val); | |
3151 | break; | |
3152 | default: | |
e8b18add WY |
3153 | ret = -EINVAL; |
3154 | goto out; | |
f831b055 MB |
3155 | } |
3156 | } | |
3157 | ||
3158 | ret = regmap_raw_write(codec->control_data, params->base, | |
3159 | data, len); | |
3160 | ||
e8b18add | 3161 | out: |
b5a8fe43 | 3162 | kfree(data); |
71d08516 MB |
3163 | |
3164 | return ret; | |
3165 | } | |
3166 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3167 | ||
4183eed2 KK |
3168 | /** |
3169 | * snd_soc_info_xr_sx - signed multi register info callback | |
3170 | * @kcontrol: mreg control | |
3171 | * @uinfo: control element information | |
3172 | * | |
3173 | * Callback to provide information of a control that can | |
3174 | * span multiple codec registers which together | |
3175 | * forms a single signed value in a MSB/LSB manner. | |
3176 | * | |
3177 | * Returns 0 for success. | |
3178 | */ | |
3179 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3180 | struct snd_ctl_elem_info *uinfo) | |
3181 | { | |
3182 | struct soc_mreg_control *mc = | |
3183 | (struct soc_mreg_control *)kcontrol->private_value; | |
3184 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3185 | uinfo->count = 1; | |
3186 | uinfo->value.integer.min = mc->min; | |
3187 | uinfo->value.integer.max = mc->max; | |
3188 | ||
3189 | return 0; | |
3190 | } | |
3191 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3192 | ||
3193 | /** | |
3194 | * snd_soc_get_xr_sx - signed multi register get callback | |
3195 | * @kcontrol: mreg control | |
3196 | * @ucontrol: control element information | |
3197 | * | |
3198 | * Callback to get the value of a control that can span | |
3199 | * multiple codec registers which together forms a single | |
3200 | * signed value in a MSB/LSB manner. The control supports | |
3201 | * specifying total no of bits used to allow for bitfields | |
3202 | * across the multiple codec registers. | |
3203 | * | |
3204 | * Returns 0 for success. | |
3205 | */ | |
3206 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3207 | struct snd_ctl_elem_value *ucontrol) | |
3208 | { | |
3209 | struct soc_mreg_control *mc = | |
3210 | (struct soc_mreg_control *)kcontrol->private_value; | |
3211 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3212 | unsigned int regbase = mc->regbase; | |
3213 | unsigned int regcount = mc->regcount; | |
3214 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3215 | unsigned int regwmask = (1<<regwshift)-1; | |
3216 | unsigned int invert = mc->invert; | |
3217 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3218 | long min = mc->min; | |
3219 | long max = mc->max; | |
3220 | long val = 0; | |
3221 | unsigned long regval; | |
3222 | unsigned int i; | |
3223 | ||
3224 | for (i = 0; i < regcount; i++) { | |
3225 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3226 | val |= regval << (regwshift*(regcount-i-1)); | |
3227 | } | |
3228 | val &= mask; | |
3229 | if (min < 0 && val > max) | |
3230 | val |= ~mask; | |
3231 | if (invert) | |
3232 | val = max - val; | |
3233 | ucontrol->value.integer.value[0] = val; | |
3234 | ||
3235 | return 0; | |
3236 | } | |
3237 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3238 | ||
3239 | /** | |
3240 | * snd_soc_put_xr_sx - signed multi register get callback | |
3241 | * @kcontrol: mreg control | |
3242 | * @ucontrol: control element information | |
3243 | * | |
3244 | * Callback to set the value of a control that can span | |
3245 | * multiple codec registers which together forms a single | |
3246 | * signed value in a MSB/LSB manner. The control supports | |
3247 | * specifying total no of bits used to allow for bitfields | |
3248 | * across the multiple codec registers. | |
3249 | * | |
3250 | * Returns 0 for success. | |
3251 | */ | |
3252 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3253 | struct snd_ctl_elem_value *ucontrol) | |
3254 | { | |
3255 | struct soc_mreg_control *mc = | |
3256 | (struct soc_mreg_control *)kcontrol->private_value; | |
3257 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3258 | unsigned int regbase = mc->regbase; | |
3259 | unsigned int regcount = mc->regcount; | |
3260 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3261 | unsigned int regwmask = (1<<regwshift)-1; | |
3262 | unsigned int invert = mc->invert; | |
3263 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3264 | long max = mc->max; |
3265 | long val = ucontrol->value.integer.value[0]; | |
3266 | unsigned int i, regval, regmask; | |
3267 | int err; | |
3268 | ||
3269 | if (invert) | |
3270 | val = max - val; | |
3271 | val &= mask; | |
3272 | for (i = 0; i < regcount; i++) { | |
3273 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3274 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3275 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3276 | regmask, regval); | |
3277 | if (err < 0) | |
3278 | return err; | |
3279 | } | |
3280 | ||
3281 | return 0; | |
3282 | } | |
3283 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3284 | ||
dd7b10b3 KK |
3285 | /** |
3286 | * snd_soc_get_strobe - strobe get callback | |
3287 | * @kcontrol: mixer control | |
3288 | * @ucontrol: control element information | |
3289 | * | |
3290 | * Callback get the value of a strobe mixer control. | |
3291 | * | |
3292 | * Returns 0 for success. | |
3293 | */ | |
3294 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3295 | struct snd_ctl_elem_value *ucontrol) | |
3296 | { | |
3297 | struct soc_mixer_control *mc = | |
3298 | (struct soc_mixer_control *)kcontrol->private_value; | |
3299 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3300 | unsigned int reg = mc->reg; | |
3301 | unsigned int shift = mc->shift; | |
3302 | unsigned int mask = 1 << shift; | |
3303 | unsigned int invert = mc->invert != 0; | |
3304 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3305 | ||
3306 | if (shift != 0 && val != 0) | |
3307 | val = val >> shift; | |
3308 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3309 | ||
3310 | return 0; | |
3311 | } | |
3312 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3313 | ||
3314 | /** | |
3315 | * snd_soc_put_strobe - strobe put callback | |
3316 | * @kcontrol: mixer control | |
3317 | * @ucontrol: control element information | |
3318 | * | |
3319 | * Callback strobe a register bit to high then low (or the inverse) | |
3320 | * in one pass of a single mixer enum control. | |
3321 | * | |
3322 | * Returns 1 for success. | |
3323 | */ | |
3324 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3325 | struct snd_ctl_elem_value *ucontrol) | |
3326 | { | |
3327 | struct soc_mixer_control *mc = | |
3328 | (struct soc_mixer_control *)kcontrol->private_value; | |
3329 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3330 | unsigned int reg = mc->reg; | |
3331 | unsigned int shift = mc->shift; | |
3332 | unsigned int mask = 1 << shift; | |
3333 | unsigned int invert = mc->invert != 0; | |
3334 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3335 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3336 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3337 | int err; | |
3338 | ||
3339 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3340 | if (err < 0) | |
3341 | return err; | |
3342 | ||
3343 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3344 | return err; | |
3345 | } | |
3346 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3347 | ||
8c6529db LG |
3348 | /** |
3349 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3350 | * @dai: DAI | |
3351 | * @clk_id: DAI specific clock ID | |
3352 | * @freq: new clock frequency in Hz | |
3353 | * @dir: new clock direction - input/output. | |
3354 | * | |
3355 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3356 | */ | |
3357 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3358 | unsigned int freq, int dir) | |
3359 | { | |
f0fba2ad LG |
3360 | if (dai->driver && dai->driver->ops->set_sysclk) |
3361 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3362 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3363 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3364 | freq, dir); |
8c6529db LG |
3365 | else |
3366 | return -EINVAL; | |
3367 | } | |
3368 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3369 | ||
ec4ee52a MB |
3370 | /** |
3371 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3372 | * @codec: CODEC | |
3373 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3374 | * @source: Source for the clock |
ec4ee52a MB |
3375 | * @freq: new clock frequency in Hz |
3376 | * @dir: new clock direction - input/output. | |
3377 | * | |
3378 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3379 | */ | |
3380 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3381 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3382 | { |
3383 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3384 | return codec->driver->set_sysclk(codec, clk_id, source, |
3385 | freq, dir); | |
ec4ee52a MB |
3386 | else |
3387 | return -EINVAL; | |
3388 | } | |
3389 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3390 | ||
8c6529db LG |
3391 | /** |
3392 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3393 | * @dai: DAI | |
ac11a2b3 | 3394 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3395 | * @div: new clock divisor. |
3396 | * | |
3397 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3398 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3399 | * and frame clocks as low as possible to save system power. | |
3400 | */ | |
3401 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3402 | int div_id, int div) | |
3403 | { | |
f0fba2ad LG |
3404 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3405 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3406 | else |
3407 | return -EINVAL; | |
3408 | } | |
3409 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3410 | ||
3411 | /** | |
3412 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3413 | * @dai: DAI | |
3414 | * @pll_id: DAI specific PLL ID | |
85488037 | 3415 | * @source: DAI specific source for the PLL |
8c6529db LG |
3416 | * @freq_in: PLL input clock frequency in Hz |
3417 | * @freq_out: requested PLL output clock frequency in Hz | |
3418 | * | |
3419 | * Configures and enables PLL to generate output clock based on input clock. | |
3420 | */ | |
85488037 MB |
3421 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3422 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3423 | { |
f0fba2ad LG |
3424 | if (dai->driver && dai->driver->ops->set_pll) |
3425 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3426 | freq_in, freq_out); |
ec4ee52a MB |
3427 | else if (dai->codec && dai->codec->driver->set_pll) |
3428 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3429 | freq_in, freq_out); | |
8c6529db LG |
3430 | else |
3431 | return -EINVAL; | |
3432 | } | |
3433 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3434 | ||
ec4ee52a MB |
3435 | /* |
3436 | * snd_soc_codec_set_pll - configure codec PLL. | |
3437 | * @codec: CODEC | |
3438 | * @pll_id: DAI specific PLL ID | |
3439 | * @source: DAI specific source for the PLL | |
3440 | * @freq_in: PLL input clock frequency in Hz | |
3441 | * @freq_out: requested PLL output clock frequency in Hz | |
3442 | * | |
3443 | * Configures and enables PLL to generate output clock based on input clock. | |
3444 | */ | |
3445 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3446 | unsigned int freq_in, unsigned int freq_out) | |
3447 | { | |
3448 | if (codec->driver->set_pll) | |
3449 | return codec->driver->set_pll(codec, pll_id, source, | |
3450 | freq_in, freq_out); | |
3451 | else | |
3452 | return -EINVAL; | |
3453 | } | |
3454 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3455 | ||
8c6529db LG |
3456 | /** |
3457 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3458 | * @dai: DAI | |
8c6529db LG |
3459 | * @fmt: SND_SOC_DAIFMT_ format value. |
3460 | * | |
3461 | * Configures the DAI hardware format and clocking. | |
3462 | */ | |
3463 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3464 | { | |
5e4ba569 | 3465 | if (dai->driver == NULL) |
8c6529db | 3466 | return -EINVAL; |
5e4ba569 SG |
3467 | if (dai->driver->ops->set_fmt == NULL) |
3468 | return -ENOTSUPP; | |
3469 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3470 | } |
3471 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3472 | ||
3473 | /** | |
3474 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3475 | * @dai: DAI | |
a5479e38 DR |
3476 | * @tx_mask: bitmask representing active TX slots. |
3477 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3478 | * @slots: Number of slots in use. |
a5479e38 | 3479 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3480 | * |
3481 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3482 | * specific. | |
3483 | */ | |
3484 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3485 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3486 | { |
f0fba2ad LG |
3487 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3488 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3489 | slots, slot_width); |
8c6529db LG |
3490 | else |
3491 | return -EINVAL; | |
3492 | } | |
3493 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3494 | ||
472df3cb BS |
3495 | /** |
3496 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3497 | * @dai: DAI | |
3498 | * @tx_num: how many TX channels | |
3499 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3500 | * 0~num-1 uses | |
3501 | * @rx_num: how many RX channels | |
3502 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3503 | * 0~num-1 uses | |
3504 | * | |
3505 | * configure the relationship between channel number and TDM slot number. | |
3506 | */ | |
3507 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3508 | unsigned int tx_num, unsigned int *tx_slot, | |
3509 | unsigned int rx_num, unsigned int *rx_slot) | |
3510 | { | |
f0fba2ad LG |
3511 | if (dai->driver && dai->driver->ops->set_channel_map) |
3512 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3513 | rx_num, rx_slot); |
3514 | else | |
3515 | return -EINVAL; | |
3516 | } | |
3517 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3518 | ||
8c6529db LG |
3519 | /** |
3520 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3521 | * @dai: DAI | |
3522 | * @tristate: tristate enable | |
3523 | * | |
3524 | * Tristates the DAI so that others can use it. | |
3525 | */ | |
3526 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3527 | { | |
f0fba2ad LG |
3528 | if (dai->driver && dai->driver->ops->set_tristate) |
3529 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3530 | else |
3531 | return -EINVAL; | |
3532 | } | |
3533 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3534 | ||
3535 | /** | |
3536 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3537 | * @dai: DAI | |
3538 | * @mute: mute enable | |
da18396f | 3539 | * @direction: stream to mute |
8c6529db LG |
3540 | * |
3541 | * Mutes the DAI DAC. | |
3542 | */ | |
da18396f MB |
3543 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3544 | int direction) | |
8c6529db | 3545 | { |
da18396f MB |
3546 | if (!dai->driver) |
3547 | return -ENOTSUPP; | |
3548 | ||
3549 | if (dai->driver->ops->mute_stream) | |
3550 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3551 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3552 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3553 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3554 | else |
04570c62 | 3555 | return -ENOTSUPP; |
8c6529db LG |
3556 | } |
3557 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3558 | ||
c5af3a2e MB |
3559 | /** |
3560 | * snd_soc_register_card - Register a card with the ASoC core | |
3561 | * | |
ac11a2b3 | 3562 | * @card: Card to register |
c5af3a2e | 3563 | * |
c5af3a2e | 3564 | */ |
70a7ca34 | 3565 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3566 | { |
b19e6e7b | 3567 | int i, ret; |
f0fba2ad | 3568 | |
c5af3a2e MB |
3569 | if (!card->name || !card->dev) |
3570 | return -EINVAL; | |
3571 | ||
5a504963 SW |
3572 | for (i = 0; i < card->num_links; i++) { |
3573 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3574 | ||
3575 | /* | |
3576 | * Codec must be specified by 1 of name or OF node, | |
3577 | * not both or neither. | |
3578 | */ | |
3579 | if (!!link->codec_name == !!link->codec_of_node) { | |
10e8aa9a MM |
3580 | dev_err(card->dev, |
3581 | "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3582 | link->name); | |
5a504963 SW |
3583 | return -EINVAL; |
3584 | } | |
bc92657a SW |
3585 | /* Codec DAI name must be specified */ |
3586 | if (!link->codec_dai_name) { | |
10e8aa9a MM |
3587 | dev_err(card->dev, |
3588 | "ASoC: codec_dai_name not set for %s\n", | |
3589 | link->name); | |
bc92657a SW |
3590 | return -EINVAL; |
3591 | } | |
5a504963 SW |
3592 | |
3593 | /* | |
3594 | * Platform may be specified by either name or OF node, but | |
3595 | * can be left unspecified, and a dummy platform will be used. | |
3596 | */ | |
3597 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3598 | dev_err(card->dev, |
3599 | "ASoC: Both platform name/of_node are set for %s\n", | |
3600 | link->name); | |
5a504963 SW |
3601 | return -EINVAL; |
3602 | } | |
3603 | ||
3604 | /* | |
bc92657a SW |
3605 | * CPU device may be specified by either name or OF node, but |
3606 | * can be left unspecified, and will be matched based on DAI | |
3607 | * name alone.. | |
3608 | */ | |
3609 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3610 | dev_err(card->dev, |
3611 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3612 | link->name); | |
bc92657a SW |
3613 | return -EINVAL; |
3614 | } | |
3615 | /* | |
3616 | * At least one of CPU DAI name or CPU device name/node must be | |
3617 | * specified | |
5a504963 | 3618 | */ |
bc92657a SW |
3619 | if (!link->cpu_dai_name && |
3620 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3621 | dev_err(card->dev, |
3622 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3623 | link->name); | |
5a504963 SW |
3624 | return -EINVAL; |
3625 | } | |
3626 | } | |
3627 | ||
ed77cc12 MB |
3628 | dev_set_drvdata(card->dev, card); |
3629 | ||
111c6419 SW |
3630 | snd_soc_initialize_card_lists(card); |
3631 | ||
150dd2f8 VK |
3632 | soc_init_card_debugfs(card); |
3633 | ||
181a6892 MB |
3634 | card->rtd = devm_kzalloc(card->dev, |
3635 | sizeof(struct snd_soc_pcm_runtime) * | |
3636 | (card->num_links + card->num_aux_devs), | |
3637 | GFP_KERNEL); | |
f0fba2ad LG |
3638 | if (card->rtd == NULL) |
3639 | return -ENOMEM; | |
a7dbb603 | 3640 | card->num_rtd = 0; |
2eea392d | 3641 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3642 | |
3643 | for (i = 0; i < card->num_links; i++) | |
3644 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3645 | ||
c5af3a2e | 3646 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3647 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3648 | card->instantiated = 0; |
f0fba2ad | 3649 | mutex_init(&card->mutex); |
a73fb2df | 3650 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3651 | |
b19e6e7b MB |
3652 | ret = snd_soc_instantiate_card(card); |
3653 | if (ret != 0) | |
3654 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3655 | |
b19e6e7b | 3656 | return ret; |
c5af3a2e | 3657 | } |
70a7ca34 | 3658 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3659 | |
3660 | /** | |
3661 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3662 | * | |
ac11a2b3 | 3663 | * @card: Card to unregister |
c5af3a2e | 3664 | * |
c5af3a2e | 3665 | */ |
70a7ca34 | 3666 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3667 | { |
b0e26485 VK |
3668 | if (card->instantiated) |
3669 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3670 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3671 | |
3672 | return 0; | |
3673 | } | |
70a7ca34 | 3674 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3675 | |
f0fba2ad LG |
3676 | /* |
3677 | * Simplify DAI link configuration by removing ".-1" from device names | |
3678 | * and sanitizing names. | |
3679 | */ | |
0b9a214a | 3680 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3681 | { |
3682 | char *found, name[NAME_SIZE]; | |
3683 | int id1, id2; | |
3684 | ||
3685 | if (dev_name(dev) == NULL) | |
3686 | return NULL; | |
3687 | ||
58818a77 | 3688 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3689 | |
3690 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3691 | found = strstr(name, dev->driver->name); | |
3692 | if (found) { | |
3693 | /* get ID */ | |
3694 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3695 | ||
3696 | /* discard ID from name if ID == -1 */ | |
3697 | if (*id == -1) | |
3698 | found[strlen(dev->driver->name)] = '\0'; | |
3699 | } | |
3700 | ||
3701 | } else { | |
3702 | /* I2C component devices are named "bus-addr" */ | |
3703 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3704 | char tmp[NAME_SIZE]; | |
3705 | ||
3706 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3707 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3708 | |
3709 | /* sanitize component name for DAI link creation */ | |
3710 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3711 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3712 | } else |
3713 | *id = 0; | |
3714 | } | |
3715 | ||
3716 | return kstrdup(name, GFP_KERNEL); | |
3717 | } | |
3718 | ||
3719 | /* | |
3720 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3721 | * any ".-1" and using the DAI name (instead of device name). | |
3722 | */ | |
3723 | static inline char *fmt_multiple_name(struct device *dev, | |
3724 | struct snd_soc_dai_driver *dai_drv) | |
3725 | { | |
3726 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3727 | dev_err(dev, |
3728 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3729 | dev_name(dev)); | |
f0fba2ad LG |
3730 | return NULL; |
3731 | } | |
3732 | ||
3733 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3734 | } | |
3735 | ||
9115171a MB |
3736 | /** |
3737 | * snd_soc_register_dai - Register a DAI with the ASoC core | |
3738 | * | |
ac11a2b3 | 3739 | * @dai: DAI to register |
9115171a | 3740 | */ |
f53179c0 | 3741 | static int snd_soc_register_dai(struct device *dev, |
f0fba2ad | 3742 | struct snd_soc_dai_driver *dai_drv) |
9115171a | 3743 | { |
054880fe | 3744 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3745 | struct snd_soc_dai *dai; |
3746 | ||
f110bfc7 | 3747 | dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev)); |
9115171a | 3748 | |
f0fba2ad LG |
3749 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
3750 | if (dai == NULL) | |
a7393623 | 3751 | return -ENOMEM; |
9115171a | 3752 | |
f0fba2ad LG |
3753 | /* create DAI component name */ |
3754 | dai->name = fmt_single_name(dev, &dai->id); | |
3755 | if (dai->name == NULL) { | |
3756 | kfree(dai); | |
3757 | return -ENOMEM; | |
3758 | } | |
6335d055 | 3759 | |
f0fba2ad LG |
3760 | dai->dev = dev; |
3761 | dai->driver = dai_drv; | |
be09ad90 | 3762 | dai->dapm.dev = dev; |
f0fba2ad LG |
3763 | if (!dai->driver->ops) |
3764 | dai->driver->ops = &null_dai_ops; | |
9115171a MB |
3765 | |
3766 | mutex_lock(&client_mutex); | |
054880fe MB |
3767 | |
3768 | list_for_each_entry(codec, &codec_list, list) { | |
3769 | if (codec->dev == dev) { | |
f110bfc7 | 3770 | dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n", |
054880fe MB |
3771 | dai->name, codec->name); |
3772 | dai->codec = codec; | |
3773 | break; | |
3774 | } | |
3775 | } | |
3776 | ||
5f800080 PU |
3777 | if (!dai->codec) |
3778 | dai->dapm.idle_bias_off = 1; | |
3779 | ||
9115171a | 3780 | list_add(&dai->list, &dai_list); |
054880fe | 3781 | |
9115171a MB |
3782 | mutex_unlock(&client_mutex); |
3783 | ||
f110bfc7 | 3784 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3785 | |
3786 | return 0; | |
3787 | } | |
9115171a MB |
3788 | |
3789 | /** | |
3790 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core | |
3791 | * | |
ac11a2b3 | 3792 | * @dai: DAI to unregister |
9115171a | 3793 | */ |
f53179c0 | 3794 | static void snd_soc_unregister_dai(struct device *dev) |
9115171a | 3795 | { |
f0fba2ad LG |
3796 | struct snd_soc_dai *dai; |
3797 | ||
3798 | list_for_each_entry(dai, &dai_list, list) { | |
3799 | if (dev == dai->dev) | |
3800 | goto found; | |
3801 | } | |
3802 | return; | |
3803 | ||
3804 | found: | |
9115171a MB |
3805 | mutex_lock(&client_mutex); |
3806 | list_del(&dai->list); | |
3807 | mutex_unlock(&client_mutex); | |
3808 | ||
f110bfc7 | 3809 | dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name); |
f0fba2ad LG |
3810 | kfree(dai->name); |
3811 | kfree(dai); | |
9115171a | 3812 | } |
9115171a MB |
3813 | |
3814 | /** | |
3815 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core | |
3816 | * | |
ac11a2b3 MB |
3817 | * @dai: Array of DAIs to register |
3818 | * @count: Number of DAIs | |
9115171a | 3819 | */ |
f53179c0 | 3820 | static int snd_soc_register_dais(struct device *dev, |
f0fba2ad | 3821 | struct snd_soc_dai_driver *dai_drv, size_t count) |
9115171a | 3822 | { |
054880fe | 3823 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3824 | struct snd_soc_dai *dai; |
3825 | int i, ret = 0; | |
3826 | ||
f110bfc7 | 3827 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
3828 | |
3829 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
3830 | |
3831 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3832 | if (dai == NULL) { |
3833 | ret = -ENOMEM; | |
3834 | goto err; | |
3835 | } | |
f0fba2ad LG |
3836 | |
3837 | /* create DAI component name */ | |
3838 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3839 | if (dai->name == NULL) { | |
3840 | kfree(dai); | |
3841 | ret = -EINVAL; | |
9115171a | 3842 | goto err; |
f0fba2ad LG |
3843 | } |
3844 | ||
3845 | dai->dev = dev; | |
f0fba2ad | 3846 | dai->driver = &dai_drv[i]; |
0f9141c9 MB |
3847 | if (dai->driver->id) |
3848 | dai->id = dai->driver->id; | |
3849 | else | |
3850 | dai->id = i; | |
be09ad90 | 3851 | dai->dapm.dev = dev; |
f0fba2ad LG |
3852 | if (!dai->driver->ops) |
3853 | dai->driver->ops = &null_dai_ops; | |
3854 | ||
3855 | mutex_lock(&client_mutex); | |
054880fe MB |
3856 | |
3857 | list_for_each_entry(codec, &codec_list, list) { | |
3858 | if (codec->dev == dev) { | |
10e8aa9a MM |
3859 | dev_dbg(dev, |
3860 | "ASoC: Mapped DAI %s to CODEC %s\n", | |
3861 | dai->name, codec->name); | |
054880fe MB |
3862 | dai->codec = codec; |
3863 | break; | |
3864 | } | |
3865 | } | |
3866 | ||
5f800080 PU |
3867 | if (!dai->codec) |
3868 | dai->dapm.idle_bias_off = 1; | |
3869 | ||
f0fba2ad | 3870 | list_add(&dai->list, &dai_list); |
054880fe | 3871 | |
f0fba2ad LG |
3872 | mutex_unlock(&client_mutex); |
3873 | ||
f110bfc7 | 3874 | dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3875 | } |
3876 | ||
3877 | return 0; | |
3878 | ||
3879 | err: | |
3880 | for (i--; i >= 0; i--) | |
f0fba2ad | 3881 | snd_soc_unregister_dai(dev); |
9115171a MB |
3882 | |
3883 | return ret; | |
3884 | } | |
9115171a MB |
3885 | |
3886 | /** | |
3887 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core | |
3888 | * | |
ac11a2b3 MB |
3889 | * @dai: Array of DAIs to unregister |
3890 | * @count: Number of DAIs | |
9115171a | 3891 | */ |
f53179c0 | 3892 | static void snd_soc_unregister_dais(struct device *dev, size_t count) |
9115171a MB |
3893 | { |
3894 | int i; | |
3895 | ||
3896 | for (i = 0; i < count; i++) | |
f0fba2ad | 3897 | snd_soc_unregister_dai(dev); |
9115171a | 3898 | } |
9115171a | 3899 | |
12a48a8c | 3900 | /** |
71a45cda LPC |
3901 | * snd_soc_add_platform - Add a platform to the ASoC core |
3902 | * @dev: The parent device for the platform | |
3903 | * @platform: The platform to add | |
3904 | * @platform_driver: The driver for the platform | |
12a48a8c | 3905 | */ |
71a45cda | 3906 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 3907 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 3908 | { |
f0fba2ad LG |
3909 | /* create platform component name */ |
3910 | platform->name = fmt_single_name(dev, &platform->id); | |
b5c745fb | 3911 | if (platform->name == NULL) |
f0fba2ad | 3912 | return -ENOMEM; |
12a48a8c | 3913 | |
f0fba2ad LG |
3914 | platform->dev = dev; |
3915 | platform->driver = platform_drv; | |
b7950641 LG |
3916 | platform->dapm.dev = dev; |
3917 | platform->dapm.platform = platform; | |
64a648c2 | 3918 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 3919 | mutex_init(&platform->mutex); |
12a48a8c MB |
3920 | |
3921 | mutex_lock(&client_mutex); | |
3922 | list_add(&platform->list, &platform_list); | |
3923 | mutex_unlock(&client_mutex); | |
3924 | ||
f110bfc7 | 3925 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
3926 | |
3927 | return 0; | |
3928 | } | |
71a45cda | 3929 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
3930 | |
3931 | /** | |
71a45cda | 3932 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 3933 | * |
71a45cda | 3934 | * @platform: platform to register |
12a48a8c | 3935 | */ |
71a45cda LPC |
3936 | int snd_soc_register_platform(struct device *dev, |
3937 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 3938 | { |
f0fba2ad | 3939 | struct snd_soc_platform *platform; |
71a45cda | 3940 | int ret; |
f0fba2ad | 3941 | |
71a45cda | 3942 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 3943 | |
71a45cda LPC |
3944 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
3945 | if (platform == NULL) | |
3946 | return -ENOMEM; | |
3947 | ||
3948 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
3949 | if (ret) | |
3950 | kfree(platform); | |
3951 | ||
3952 | return ret; | |
3953 | } | |
3954 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
3955 | ||
3956 | /** | |
3957 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
3958 | * @platform: the platform to remove | |
3959 | */ | |
3960 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
3961 | { | |
12a48a8c MB |
3962 | mutex_lock(&client_mutex); |
3963 | list_del(&platform->list); | |
3964 | mutex_unlock(&client_mutex); | |
3965 | ||
71a45cda LPC |
3966 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
3967 | platform->name); | |
f0fba2ad | 3968 | kfree(platform->name); |
71a45cda LPC |
3969 | } |
3970 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
3971 | ||
3972 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
3973 | { | |
3974 | struct snd_soc_platform *platform; | |
3975 | ||
3976 | list_for_each_entry(platform, &platform_list, list) { | |
3977 | if (dev == platform->dev) | |
3978 | return platform; | |
3979 | } | |
3980 | ||
3981 | return NULL; | |
3982 | } | |
3983 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
3984 | ||
3985 | /** | |
3986 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
3987 | * | |
3988 | * @platform: platform to unregister | |
3989 | */ | |
3990 | void snd_soc_unregister_platform(struct device *dev) | |
3991 | { | |
3992 | struct snd_soc_platform *platform; | |
3993 | ||
3994 | platform = snd_soc_lookup_platform(dev); | |
3995 | if (!platform) | |
3996 | return; | |
3997 | ||
3998 | snd_soc_remove_platform(platform); | |
f0fba2ad | 3999 | kfree(platform); |
12a48a8c MB |
4000 | } |
4001 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4002 | ||
151ab22c MB |
4003 | static u64 codec_format_map[] = { |
4004 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4005 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4006 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4007 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4008 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4009 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4010 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4011 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4012 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4013 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4014 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4015 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4016 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4017 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4018 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4019 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4020 | }; | |
4021 | ||
4022 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4023 | * the endianness of the data but we're using the CPU format | |
4024 | * definitions which do need to include endianness so we ensure that | |
4025 | * codec DAIs always have both big and little endian variants set. | |
4026 | */ | |
4027 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4028 | { | |
4029 | int i; | |
4030 | ||
4031 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4032 | if (stream->formats & codec_format_map[i]) | |
4033 | stream->formats |= codec_format_map[i]; | |
4034 | } | |
4035 | ||
0d0cf00a MB |
4036 | /** |
4037 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4038 | * | |
ac11a2b3 | 4039 | * @codec: codec to register |
0d0cf00a | 4040 | */ |
f0fba2ad | 4041 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4042 | const struct snd_soc_codec_driver *codec_drv, |
4043 | struct snd_soc_dai_driver *dai_drv, | |
4044 | int num_dai) | |
0d0cf00a | 4045 | { |
3335ddca | 4046 | size_t reg_size; |
f0fba2ad LG |
4047 | struct snd_soc_codec *codec; |
4048 | int ret, i; | |
151ab22c | 4049 | |
f0fba2ad LG |
4050 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4051 | ||
4052 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4053 | if (codec == NULL) | |
4054 | return -ENOMEM; | |
0d0cf00a | 4055 | |
f0fba2ad LG |
4056 | /* create CODEC component name */ |
4057 | codec->name = fmt_single_name(dev, &codec->id); | |
4058 | if (codec->name == NULL) { | |
f790b94d KM |
4059 | ret = -ENOMEM; |
4060 | goto fail_codec; | |
f0fba2ad LG |
4061 | } |
4062 | ||
23bbce34 DP |
4063 | if (codec_drv->compress_type) |
4064 | codec->compress_type = codec_drv->compress_type; | |
4065 | else | |
4066 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; | |
4067 | ||
c3acec26 MB |
4068 | codec->write = codec_drv->write; |
4069 | codec->read = codec_drv->read; | |
1500b7b5 DP |
4070 | codec->volatile_register = codec_drv->volatile_register; |
4071 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 4072 | codec->writable_register = codec_drv->writable_register; |
5124e69e | 4073 | codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4074 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4075 | codec->dapm.dev = dev; | |
4076 | codec->dapm.codec = codec; | |
474b62d6 | 4077 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4078 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4079 | codec->dev = dev; |
4080 | codec->driver = codec_drv; | |
4081 | codec->num_dai = num_dai; | |
4082 | mutex_init(&codec->mutex); | |
ce6120cc | 4083 | |
f0fba2ad LG |
4084 | /* allocate CODEC register cache */ |
4085 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { | |
3335ddca | 4086 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
aea170a0 | 4087 | codec->reg_size = reg_size; |
3335ddca DP |
4088 | /* it is necessary to make a copy of the default register cache |
4089 | * because in the case of using a compression type that requires | |
f6e65744 | 4090 | * the default register cache to be marked as the |
3335ddca DP |
4091 | * kernel might have freed the array by the time we initialize |
4092 | * the cache. | |
4093 | */ | |
2aa86323 DP |
4094 | if (codec_drv->reg_cache_default) { |
4095 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, | |
4096 | reg_size, GFP_KERNEL); | |
4097 | if (!codec->reg_def_copy) { | |
4098 | ret = -ENOMEM; | |
f790b94d | 4099 | goto fail_codec_name; |
2aa86323 | 4100 | } |
f0fba2ad | 4101 | } |
151ab22c MB |
4102 | } |
4103 | ||
1500b7b5 DP |
4104 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
4105 | if (!codec->volatile_register) | |
4106 | codec->volatile_register = snd_soc_default_volatile_register; | |
4107 | if (!codec->readable_register) | |
4108 | codec->readable_register = snd_soc_default_readable_register; | |
8020454c DP |
4109 | if (!codec->writable_register) |
4110 | codec->writable_register = snd_soc_default_writable_register; | |
1500b7b5 DP |
4111 | } |
4112 | ||
f0fba2ad LG |
4113 | for (i = 0; i < num_dai; i++) { |
4114 | fixup_codec_formats(&dai_drv[i].playback); | |
4115 | fixup_codec_formats(&dai_drv[i].capture); | |
4116 | } | |
4117 | ||
054880fe MB |
4118 | mutex_lock(&client_mutex); |
4119 | list_add(&codec->list, &codec_list); | |
4120 | mutex_unlock(&client_mutex); | |
4121 | ||
26b01ccd | 4122 | /* register any DAIs */ |
5acd7dfb KM |
4123 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); |
4124 | if (ret < 0) { | |
4125 | dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4126 | goto fail_codec_name; | |
26b01ccd | 4127 | } |
f0fba2ad | 4128 | |
f110bfc7 | 4129 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4130 | return 0; |
f0fba2ad | 4131 | |
f790b94d | 4132 | fail_codec_name: |
e1328a83 KM |
4133 | mutex_lock(&client_mutex); |
4134 | list_del(&codec->list); | |
4135 | mutex_unlock(&client_mutex); | |
4136 | ||
f0fba2ad | 4137 | kfree(codec->name); |
f790b94d | 4138 | fail_codec: |
f0fba2ad LG |
4139 | kfree(codec); |
4140 | return ret; | |
0d0cf00a MB |
4141 | } |
4142 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4143 | ||
4144 | /** | |
4145 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4146 | * | |
ac11a2b3 | 4147 | * @codec: codec to unregister |
0d0cf00a | 4148 | */ |
f0fba2ad | 4149 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4150 | { |
f0fba2ad | 4151 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4152 | |
4153 | list_for_each_entry(codec, &codec_list, list) { | |
4154 | if (dev == codec->dev) | |
4155 | goto found; | |
4156 | } | |
4157 | return; | |
4158 | ||
4159 | found: | |
5acd7dfb | 4160 | snd_soc_unregister_dais(dev, codec->num_dai); |
f0fba2ad | 4161 | |
0d0cf00a MB |
4162 | mutex_lock(&client_mutex); |
4163 | list_del(&codec->list); | |
4164 | mutex_unlock(&client_mutex); | |
4165 | ||
f110bfc7 | 4166 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4167 | |
7a30a3db | 4168 | snd_soc_cache_exit(codec); |
3335ddca | 4169 | kfree(codec->reg_def_copy); |
1aafcd4d | 4170 | kfree(codec->name); |
f0fba2ad | 4171 | kfree(codec); |
0d0cf00a MB |
4172 | } |
4173 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4174 | ||
030e79f6 KM |
4175 | |
4176 | /** | |
4177 | * snd_soc_register_component - Register a component with the ASoC core | |
4178 | * | |
4179 | */ | |
4180 | int snd_soc_register_component(struct device *dev, | |
4181 | const struct snd_soc_component_driver *cmpnt_drv, | |
4182 | struct snd_soc_dai_driver *dai_drv, | |
4183 | int num_dai) | |
4184 | { | |
4185 | struct snd_soc_component *cmpnt; | |
4186 | int ret; | |
4187 | ||
4188 | dev_dbg(dev, "component register %s\n", dev_name(dev)); | |
4189 | ||
4190 | cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); | |
4191 | if (!cmpnt) { | |
4192 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4193 | return -ENOMEM; | |
4194 | } | |
4195 | ||
4196 | cmpnt->name = fmt_single_name(dev, &cmpnt->id); | |
4197 | if (!cmpnt->name) { | |
4198 | dev_err(dev, "ASoC: Failed to simplifying name\n"); | |
4199 | return -ENOMEM; | |
4200 | } | |
4201 | ||
4202 | cmpnt->dev = dev; | |
4203 | cmpnt->driver = cmpnt_drv; | |
4204 | cmpnt->num_dai = num_dai; | |
4205 | ||
a1422b8c KM |
4206 | /* |
4207 | * snd_soc_register_dai() uses fmt_single_name(), and | |
4208 | * snd_soc_register_dais() uses fmt_multiple_name() | |
4209 | * for dai->name which is used for name based matching | |
4210 | */ | |
4211 | if (1 == num_dai) | |
4212 | ret = snd_soc_register_dai(dev, dai_drv); | |
4213 | else | |
4214 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); | |
030e79f6 KM |
4215 | if (ret < 0) { |
4216 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4217 | goto error_component_name; | |
4218 | } | |
4219 | ||
4220 | mutex_lock(&client_mutex); | |
4221 | list_add(&cmpnt->list, &component_list); | |
4222 | mutex_unlock(&client_mutex); | |
4223 | ||
4224 | dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); | |
4225 | ||
4226 | return ret; | |
4227 | ||
4228 | error_component_name: | |
4229 | kfree(cmpnt->name); | |
4230 | ||
4231 | return ret; | |
4232 | } | |
2e1cc199 | 4233 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
030e79f6 KM |
4234 | |
4235 | /** | |
4236 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4237 | * | |
4238 | */ | |
4239 | void snd_soc_unregister_component(struct device *dev) | |
4240 | { | |
4241 | struct snd_soc_component *cmpnt; | |
4242 | ||
4243 | list_for_each_entry(cmpnt, &component_list, list) { | |
4244 | if (dev == cmpnt->dev) | |
4245 | goto found; | |
4246 | } | |
4247 | return; | |
4248 | ||
4249 | found: | |
4250 | snd_soc_unregister_dais(dev, cmpnt->num_dai); | |
4251 | ||
4252 | mutex_lock(&client_mutex); | |
4253 | list_del(&cmpnt->list); | |
4254 | mutex_unlock(&client_mutex); | |
4255 | ||
4256 | dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); | |
4257 | kfree(cmpnt->name); | |
4258 | } | |
2e1cc199 | 4259 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); |
030e79f6 | 4260 | |
bec4fa05 SW |
4261 | /* Retrieve a card's name from device tree */ |
4262 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4263 | const char *propname) | |
4264 | { | |
4265 | struct device_node *np = card->dev->of_node; | |
4266 | int ret; | |
4267 | ||
4268 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4269 | /* | |
4270 | * EINVAL means the property does not exist. This is fine providing | |
4271 | * card->name was previously set, which is checked later in | |
4272 | * snd_soc_register_card. | |
4273 | */ | |
4274 | if (ret < 0 && ret != -EINVAL) { | |
4275 | dev_err(card->dev, | |
f110bfc7 | 4276 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4277 | propname, ret); |
4278 | return ret; | |
4279 | } | |
4280 | ||
4281 | return 0; | |
4282 | } | |
4283 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4284 | ||
a4a54dd5 SW |
4285 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4286 | const char *propname) | |
4287 | { | |
4288 | struct device_node *np = card->dev->of_node; | |
4289 | int num_routes; | |
4290 | struct snd_soc_dapm_route *routes; | |
4291 | int i, ret; | |
4292 | ||
4293 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4294 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4295 | dev_err(card->dev, |
4296 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4297 | propname); | |
a4a54dd5 SW |
4298 | return -EINVAL; |
4299 | } | |
4300 | num_routes /= 2; | |
4301 | if (!num_routes) { | |
f110bfc7 | 4302 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4303 | propname); |
4304 | return -EINVAL; | |
4305 | } | |
4306 | ||
4307 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4308 | GFP_KERNEL); | |
4309 | if (!routes) { | |
4310 | dev_err(card->dev, | |
f110bfc7 | 4311 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4312 | return -EINVAL; |
4313 | } | |
4314 | ||
4315 | for (i = 0; i < num_routes; i++) { | |
4316 | ret = of_property_read_string_index(np, propname, | |
4317 | 2 * i, &routes[i].sink); | |
4318 | if (ret) { | |
c871bd0b MB |
4319 | dev_err(card->dev, |
4320 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4321 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4322 | return -EINVAL; |
4323 | } | |
4324 | ret = of_property_read_string_index(np, propname, | |
4325 | (2 * i) + 1, &routes[i].source); | |
4326 | if (ret) { | |
4327 | dev_err(card->dev, | |
c871bd0b MB |
4328 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4329 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4330 | return -EINVAL; |
4331 | } | |
4332 | } | |
4333 | ||
4334 | card->num_dapm_routes = num_routes; | |
4335 | card->dapm_routes = routes; | |
4336 | ||
4337 | return 0; | |
4338 | } | |
4339 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4340 | ||
a7930ed4 KM |
4341 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
4342 | const char *prefix) | |
4343 | { | |
4344 | int ret, i; | |
4345 | char prop[128]; | |
4346 | unsigned int format = 0; | |
4347 | int bit, frame; | |
4348 | const char *str; | |
4349 | struct { | |
4350 | char *name; | |
4351 | unsigned int val; | |
4352 | } of_fmt_table[] = { | |
4353 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4354 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4355 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4356 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4357 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4358 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4359 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4360 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4361 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4362 | }; |
4363 | ||
4364 | if (!prefix) | |
4365 | prefix = ""; | |
4366 | ||
4367 | /* | |
4368 | * check "[prefix]format = xxx" | |
4369 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4370 | */ | |
4371 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4372 | ret = of_property_read_string(np, prop, &str); | |
4373 | if (ret == 0) { | |
4374 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4375 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4376 | format |= of_fmt_table[i].val; | |
4377 | break; | |
4378 | } | |
4379 | } | |
4380 | } | |
4381 | ||
4382 | /* | |
8c2d6a9f | 4383 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4384 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4385 | */ | |
8c2d6a9f KM |
4386 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4387 | if (of_get_property(np, prop, NULL)) | |
4388 | format |= SND_SOC_DAIFMT_CONT; | |
4389 | else | |
4390 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4391 | |
4392 | /* | |
4393 | * check "[prefix]bitclock-inversion" | |
4394 | * check "[prefix]frame-inversion" | |
4395 | * SND_SOC_DAIFMT_INV_MASK area | |
4396 | */ | |
4397 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4398 | bit = !!of_get_property(np, prop, NULL); | |
4399 | ||
4400 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4401 | frame = !!of_get_property(np, prop, NULL); | |
4402 | ||
4403 | switch ((bit << 4) + frame) { | |
4404 | case 0x11: | |
4405 | format |= SND_SOC_DAIFMT_IB_IF; | |
4406 | break; | |
4407 | case 0x10: | |
4408 | format |= SND_SOC_DAIFMT_IB_NF; | |
4409 | break; | |
4410 | case 0x01: | |
4411 | format |= SND_SOC_DAIFMT_NB_IF; | |
4412 | break; | |
4413 | default: | |
4414 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4415 | break; | |
4416 | } | |
4417 | ||
4418 | /* | |
4419 | * check "[prefix]bitclock-master" | |
4420 | * check "[prefix]frame-master" | |
4421 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4422 | */ | |
4423 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4424 | bit = !!of_get_property(np, prop, NULL); | |
4425 | ||
4426 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4427 | frame = !!of_get_property(np, prop, NULL); | |
4428 | ||
4429 | switch ((bit << 4) + frame) { | |
4430 | case 0x11: | |
4431 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4432 | break; | |
4433 | case 0x10: | |
4434 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4435 | break; | |
4436 | case 0x01: | |
4437 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4438 | break; | |
4439 | default: | |
4440 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4441 | break; | |
4442 | } | |
4443 | ||
4444 | return format; | |
4445 | } | |
4446 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4447 | ||
c9b3a40f | 4448 | static int __init snd_soc_init(void) |
db2a4165 | 4449 | { |
384c89e2 | 4450 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4451 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4452 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4453 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4454 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4455 | } |
c3c5a19a | 4456 | |
8a9dab1a | 4457 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4458 | &codec_list_fops)) |
4459 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4460 | ||
8a9dab1a | 4461 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4462 | &dai_list_fops)) |
4463 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4464 | |
8a9dab1a | 4465 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4466 | &platform_list_fops)) |
4467 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4468 | #endif |
4469 | ||
fb257897 MB |
4470 | snd_soc_util_init(); |
4471 | ||
db2a4165 FM |
4472 | return platform_driver_register(&soc_driver); |
4473 | } | |
4abe8e16 | 4474 | module_init(snd_soc_init); |
db2a4165 | 4475 | |
7d8c16a6 | 4476 | static void __exit snd_soc_exit(void) |
db2a4165 | 4477 | { |
fb257897 MB |
4478 | snd_soc_util_exit(); |
4479 | ||
384c89e2 | 4480 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4481 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4482 | #endif |
3ff3f64b | 4483 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4484 | } |
db2a4165 FM |
4485 | module_exit(snd_soc_exit); |
4486 | ||
4487 | /* Module information */ | |
d331124d | 4488 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4489 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4490 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4491 | MODULE_ALIAS("platform:soc-audio"); |