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) { |
f110bfc7 LG |
275 | dev_warn(codec->dev, "ASoC: Failed to create codec debugfs" |
276 | " 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) | |
f110bfc7 LG |
289 | dev_warn(codec->dev, "ASoC: Failed to create codec register" |
290 | " 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, | |
f110bfc7 LG |
634 | "ASoC: idle_bias_off CODEC on" |
635 | " over suspend\n"); | |
125a25da MB |
636 | break; |
637 | } | |
f0fba2ad | 638 | case SND_SOC_BIAS_OFF: |
84b315ee | 639 | codec->driver->suspend(codec); |
f0fba2ad | 640 | codec->suspended = 1; |
7be4ba24 | 641 | codec->cache_sync = 1; |
da8b8e0f MB |
642 | if (codec->using_regmap) |
643 | regcache_mark_dirty(codec->control_data); | |
f0fba2ad LG |
644 | break; |
645 | default: | |
f110bfc7 LG |
646 | dev_dbg(codec->dev, "ASoC: CODEC is on" |
647 | " over suspend\n"); | |
f0fba2ad LG |
648 | break; |
649 | } | |
1547aba9 MB |
650 | } |
651 | } | |
db2a4165 | 652 | |
f0fba2ad LG |
653 | for (i = 0; i < card->num_rtd; i++) { |
654 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 655 | |
f0fba2ad | 656 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
657 | continue; |
658 | ||
f0fba2ad LG |
659 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
660 | cpu_dai->driver->suspend(cpu_dai); | |
db2a4165 FM |
661 | } |
662 | ||
87506549 | 663 | if (card->suspend_post) |
70b2ac12 | 664 | card->suspend_post(card); |
db2a4165 FM |
665 | |
666 | return 0; | |
667 | } | |
6f8ab4ac | 668 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 669 | |
6ed25978 AG |
670 | /* deferred resume work, so resume can complete before we finished |
671 | * setting our codec back up, which can be very slow on I2C | |
672 | */ | |
673 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 674 | { |
f0fba2ad LG |
675 | struct snd_soc_card *card = |
676 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 677 | struct snd_soc_codec *codec; |
db2a4165 FM |
678 | int i; |
679 | ||
6ed25978 AG |
680 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
681 | * so userspace apps are blocked from touching us | |
682 | */ | |
683 | ||
f110bfc7 | 684 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 685 | |
9949788b | 686 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 687 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 688 | |
87506549 | 689 | if (card->resume_pre) |
70b2ac12 | 690 | card->resume_pre(card); |
db2a4165 | 691 | |
f0fba2ad LG |
692 | /* resume AC97 DAIs */ |
693 | for (i = 0; i < card->num_rtd; i++) { | |
694 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 695 | |
f0fba2ad | 696 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
697 | continue; |
698 | ||
f0fba2ad LG |
699 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
700 | cpu_dai->driver->resume(cpu_dai); | |
701 | } | |
702 | ||
2eea392d | 703 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
704 | /* If the CODEC was idle over suspend then it will have been |
705 | * left with bias OFF or STANDBY and suspended so we must now | |
706 | * resume. Otherwise the suspend was suppressed. | |
707 | */ | |
708 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 709 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
710 | case SND_SOC_BIAS_STANDBY: |
711 | case SND_SOC_BIAS_OFF: | |
712 | codec->driver->resume(codec); | |
713 | codec->suspended = 0; | |
714 | break; | |
715 | default: | |
f110bfc7 LG |
716 | dev_dbg(codec->dev, "ASoC: CODEC was on over" |
717 | " suspend\n"); | |
f0fba2ad LG |
718 | break; |
719 | } | |
1547aba9 MB |
720 | } |
721 | } | |
db2a4165 | 722 | |
f0fba2ad | 723 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 724 | |
f0fba2ad | 725 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
726 | continue; |
727 | ||
7bd3a6f3 | 728 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 729 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 730 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 731 | |
7bd3a6f3 | 732 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 733 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 734 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
735 | } |
736 | ||
3ff3f64b | 737 | /* unmute any active DACs */ |
f0fba2ad LG |
738 | for (i = 0; i < card->num_rtd; i++) { |
739 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
740 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 741 | |
f0fba2ad | 742 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
743 | continue; |
744 | ||
f0fba2ad LG |
745 | if (drv->ops->digital_mute && dai->playback_active) |
746 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
747 | } |
748 | ||
f0fba2ad LG |
749 | for (i = 0; i < card->num_rtd; i++) { |
750 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
751 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 752 | |
f0fba2ad | 753 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
754 | continue; |
755 | ||
f0fba2ad LG |
756 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
757 | cpu_dai->driver->resume(cpu_dai); | |
758 | if (platform->driver->resume && platform->suspended) { | |
759 | platform->driver->resume(cpu_dai); | |
760 | platform->suspended = 0; | |
761 | } | |
db2a4165 FM |
762 | } |
763 | ||
87506549 | 764 | if (card->resume_post) |
70b2ac12 | 765 | card->resume_post(card); |
db2a4165 | 766 | |
f110bfc7 | 767 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
768 | |
769 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 770 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
771 | |
772 | /* Recheck all analogue paths too */ | |
773 | dapm_mark_io_dirty(&card->dapm); | |
774 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
775 | } |
776 | ||
777 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 778 | int snd_soc_resume(struct device *dev) |
6ed25978 | 779 | { |
6f8ab4ac | 780 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 781 | int i, ac97_control = 0; |
b9dd94a8 | 782 | |
5ff1ddf2 EM |
783 | /* If the initialization of this soc device failed, there is no codec |
784 | * associated with it. Just bail out in this case. | |
785 | */ | |
786 | if (list_empty(&card->codec_dev_list)) | |
787 | return 0; | |
788 | ||
64ab9baa MB |
789 | /* AC97 devices might have other drivers hanging off them so |
790 | * need to resume immediately. Other drivers don't have that | |
791 | * problem and may take a substantial amount of time to resume | |
792 | * due to I/O costs and anti-pop so handle them out of line. | |
793 | */ | |
f0fba2ad LG |
794 | for (i = 0; i < card->num_rtd; i++) { |
795 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
796 | ac97_control |= cpu_dai->driver->ac97_control; |
797 | } | |
798 | if (ac97_control) { | |
f110bfc7 | 799 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
800 | soc_resume_deferred(&card->deferred_resume_work); |
801 | } else { | |
f110bfc7 | 802 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 803 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 804 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 805 | } |
6ed25978 | 806 | |
db2a4165 FM |
807 | return 0; |
808 | } | |
6f8ab4ac | 809 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 810 | #else |
6f8ab4ac MB |
811 | #define snd_soc_suspend NULL |
812 | #define snd_soc_resume NULL | |
db2a4165 FM |
813 | #endif |
814 | ||
85e7652d | 815 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
816 | }; |
817 | ||
f0fba2ad | 818 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 819 | { |
f0fba2ad LG |
820 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
821 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
fe3e78e0 | 822 | struct snd_soc_codec *codec; |
435c5e25 | 823 | struct snd_soc_platform *platform; |
f0fba2ad | 824 | struct snd_soc_dai *codec_dai, *cpu_dai; |
848dd8be | 825 | const char *platform_name; |
435c5e25 | 826 | |
f110bfc7 | 827 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 828 | |
b19e6e7b | 829 | /* Find CPU DAI from registered DAIs*/ |
f0fba2ad | 830 | list_for_each_entry(cpu_dai, &dai_list, list) { |
bc92657a SW |
831 | if (dai_link->cpu_of_node && |
832 | (cpu_dai->dev->of_node != dai_link->cpu_of_node)) | |
833 | continue; | |
834 | if (dai_link->cpu_name && | |
835 | strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name)) | |
836 | continue; | |
837 | if (dai_link->cpu_dai_name && | |
838 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
839 | continue; | |
2610ab77 SW |
840 | |
841 | rtd->cpu_dai = cpu_dai; | |
435c5e25 | 842 | } |
6308419a | 843 | |
b19e6e7b | 844 | if (!rtd->cpu_dai) { |
f110bfc7 | 845 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
846 | dai_link->cpu_dai_name); |
847 | return -EPROBE_DEFER; | |
f0fba2ad LG |
848 | } |
849 | ||
b19e6e7b | 850 | /* Find CODEC from registered CODECs */ |
f0fba2ad | 851 | list_for_each_entry(codec, &codec_list, list) { |
5a504963 SW |
852 | if (dai_link->codec_of_node) { |
853 | if (codec->dev->of_node != dai_link->codec_of_node) | |
854 | continue; | |
855 | } else { | |
856 | if (strcmp(codec->name, dai_link->codec_name)) | |
857 | continue; | |
858 | } | |
2610ab77 SW |
859 | |
860 | rtd->codec = codec; | |
861 | ||
862 | /* | |
863 | * CODEC found, so find CODEC DAI from registered DAIs from | |
864 | * this CODEC | |
865 | */ | |
866 | list_for_each_entry(codec_dai, &dai_list, list) { | |
867 | if (codec->dev == codec_dai->dev && | |
868 | !strcmp(codec_dai->name, | |
869 | dai_link->codec_dai_name)) { | |
f0fba2ad | 870 | |
2610ab77 | 871 | rtd->codec_dai = codec_dai; |
2610ab77 | 872 | } |
435c5e25 | 873 | } |
2610ab77 | 874 | |
b19e6e7b | 875 | if (!rtd->codec_dai) { |
f110bfc7 | 876 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", |
b19e6e7b MB |
877 | dai_link->codec_dai_name); |
878 | return -EPROBE_DEFER; | |
879 | } | |
f0fba2ad | 880 | } |
6b05eda6 | 881 | |
b19e6e7b | 882 | if (!rtd->codec) { |
f110bfc7 | 883 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
884 | dai_link->codec_name); |
885 | return -EPROBE_DEFER; | |
886 | } | |
848dd8be MB |
887 | |
888 | /* if there's no platform we match on the empty platform */ | |
889 | platform_name = dai_link->platform_name; | |
5a504963 | 890 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
891 | platform_name = "snd-soc-dummy"; |
892 | ||
b19e6e7b | 893 | /* find one from the set of registered platforms */ |
f0fba2ad | 894 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
895 | if (dai_link->platform_of_node) { |
896 | if (platform->dev->of_node != | |
897 | dai_link->platform_of_node) | |
898 | continue; | |
899 | } else { | |
900 | if (strcmp(platform->name, platform_name)) | |
901 | continue; | |
902 | } | |
2610ab77 SW |
903 | |
904 | rtd->platform = platform; | |
02a06d30 | 905 | } |
b19e6e7b | 906 | if (!rtd->platform) { |
f110bfc7 | 907 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 908 | dai_link->platform_name); |
b19e6e7b | 909 | return -EPROBE_DEFER; |
f0fba2ad | 910 | } |
b19e6e7b MB |
911 | |
912 | card->num_rtd++; | |
913 | ||
914 | return 0; | |
f0fba2ad LG |
915 | } |
916 | ||
d12cd198 SW |
917 | static int soc_remove_platform(struct snd_soc_platform *platform) |
918 | { | |
919 | int ret; | |
920 | ||
921 | if (platform->driver->remove) { | |
922 | ret = platform->driver->remove(platform); | |
923 | if (ret < 0) | |
f110bfc7 LG |
924 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
925 | ret); | |
d12cd198 SW |
926 | } |
927 | ||
928 | /* Make sure all DAPM widgets are freed */ | |
929 | snd_soc_dapm_free(&platform->dapm); | |
930 | ||
931 | soc_cleanup_platform_debugfs(platform); | |
932 | platform->probed = 0; | |
933 | list_del(&platform->card_list); | |
934 | module_put(platform->dev->driver->owner); | |
935 | ||
936 | return 0; | |
937 | } | |
938 | ||
589c3563 JN |
939 | static void soc_remove_codec(struct snd_soc_codec *codec) |
940 | { | |
941 | int err; | |
942 | ||
943 | if (codec->driver->remove) { | |
944 | err = codec->driver->remove(codec); | |
945 | if (err < 0) | |
f110bfc7 | 946 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
947 | } |
948 | ||
949 | /* Make sure all DAPM widgets are freed */ | |
950 | snd_soc_dapm_free(&codec->dapm); | |
951 | ||
952 | soc_cleanup_codec_debugfs(codec); | |
953 | codec->probed = 0; | |
954 | list_del(&codec->card_list); | |
955 | module_put(codec->dev->driver->owner); | |
956 | } | |
957 | ||
62ae68fa | 958 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
959 | { |
960 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad LG |
961 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
962 | int err; | |
963 | ||
964 | /* unregister the rtd device */ | |
965 | if (rtd->dev_registered) { | |
36ae1a96 MB |
966 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); |
967 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
968 | device_unregister(rtd->dev); | |
f0fba2ad LG |
969 | rtd->dev_registered = 0; |
970 | } | |
971 | ||
972 | /* remove the CODEC DAI */ | |
0168bf0d LG |
973 | if (codec_dai && codec_dai->probed && |
974 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
975 | if (codec_dai->driver->remove) { |
976 | err = codec_dai->driver->remove(codec_dai); | |
977 | if (err < 0) | |
f110bfc7 LG |
978 | dev_err(codec_dai->dev, |
979 | "ASoC: failed to remove %s: %d\n", | |
980 | codec_dai->name, err); | |
6b05eda6 | 981 | } |
f0fba2ad LG |
982 | codec_dai->probed = 0; |
983 | list_del(&codec_dai->card_list); | |
984 | } | |
6b05eda6 | 985 | |
f0fba2ad | 986 | /* remove the cpu_dai */ |
0168bf0d LG |
987 | if (cpu_dai && cpu_dai->probed && |
988 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
989 | if (cpu_dai->driver->remove) { |
990 | err = cpu_dai->driver->remove(cpu_dai); | |
991 | if (err < 0) | |
f110bfc7 LG |
992 | dev_err(cpu_dai->dev, |
993 | "ASoC: failed to remove %s: %d\n", | |
994 | cpu_dai->name, err); | |
db2a4165 | 995 | } |
f0fba2ad LG |
996 | cpu_dai->probed = 0; |
997 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 998 | |
18d75644 SW |
999 | if (!cpu_dai->codec) { |
1000 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1001 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1002 | } |
db2a4165 | 1003 | } |
f0fba2ad | 1004 | } |
db2a4165 | 1005 | |
62ae68fa SW |
1006 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1007 | int order) | |
1008 | { | |
1009 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1010 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1011 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1012 | struct snd_soc_platform *platform = rtd->platform; | |
1013 | struct snd_soc_codec *codec; | |
1014 | ||
1015 | /* remove the platform */ | |
1016 | if (platform && platform->probed && | |
1017 | platform->driver->remove_order == order) { | |
1018 | soc_remove_platform(platform); | |
1019 | } | |
1020 | ||
1021 | /* remove the CODEC-side CODEC */ | |
1022 | if (codec_dai) { | |
1023 | codec = codec_dai->codec; | |
1024 | if (codec && codec->probed && | |
1025 | codec->driver->remove_order == order) | |
1026 | soc_remove_codec(codec); | |
1027 | } | |
1028 | ||
1029 | /* remove any CPU-side CODEC */ | |
1030 | if (cpu_dai) { | |
1031 | codec = cpu_dai->codec; | |
1032 | if (codec && codec->probed && | |
1033 | codec->driver->remove_order == order) | |
1034 | soc_remove_codec(codec); | |
1035 | } | |
1036 | } | |
1037 | ||
0671fd8e KM |
1038 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1039 | { | |
0168bf0d | 1040 | int dai, order; |
0671fd8e | 1041 | |
0168bf0d LG |
1042 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1043 | order++) { | |
1044 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1045 | soc_remove_link_dais(card, dai, order); |
1046 | } | |
1047 | ||
1048 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1049 | order++) { | |
1050 | for (dai = 0; dai < card->num_rtd; dai++) | |
1051 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1052 | } |
62ae68fa | 1053 | |
0671fd8e KM |
1054 | card->num_rtd = 0; |
1055 | } | |
1056 | ||
ead9b919 JN |
1057 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1058 | struct snd_soc_codec *codec) | |
1059 | { | |
1060 | int i; | |
1061 | ||
ff819b83 | 1062 | if (card->codec_conf == NULL) |
ead9b919 JN |
1063 | return; |
1064 | ||
ff819b83 DP |
1065 | for (i = 0; i < card->num_configs; i++) { |
1066 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1067 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1068 | codec->name_prefix = map->name_prefix; | |
1069 | break; | |
1070 | } | |
1071 | } | |
1072 | } | |
1073 | ||
589c3563 JN |
1074 | static int soc_probe_codec(struct snd_soc_card *card, |
1075 | struct snd_soc_codec *codec) | |
1076 | { | |
1077 | int ret = 0; | |
89b95ac0 | 1078 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1079 | struct snd_soc_dai *dai; |
589c3563 JN |
1080 | |
1081 | codec->card = card; | |
1082 | codec->dapm.card = card; | |
1083 | soc_set_name_prefix(card, codec); | |
1084 | ||
70d29331 JN |
1085 | if (!try_module_get(codec->dev->driver->owner)) |
1086 | return -ENODEV; | |
1087 | ||
d5d1e0be LPC |
1088 | soc_init_codec_debugfs(codec); |
1089 | ||
77530150 LPC |
1090 | if (driver->dapm_widgets) |
1091 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, | |
1092 | driver->num_dapm_widgets); | |
1093 | ||
888df395 MB |
1094 | /* Create DAPM widgets for each DAI stream */ |
1095 | list_for_each_entry(dai, &dai_list, list) { | |
1096 | if (dai->dev != codec->dev) | |
1097 | continue; | |
1098 | ||
1099 | snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1100 | } | |
1101 | ||
33c5f969 MB |
1102 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1103 | ||
89b95ac0 MB |
1104 | if (driver->probe) { |
1105 | ret = driver->probe(codec); | |
589c3563 JN |
1106 | if (ret < 0) { |
1107 | dev_err(codec->dev, | |
f110bfc7 | 1108 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1109 | goto err_probe; |
589c3563 | 1110 | } |
ff541f4b CL |
1111 | WARN(codec->dapm.idle_bias_off && |
1112 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
1113 | "codec %s can not start from non-off bias" | |
1114 | " with idle_bias_off==1\n", codec->name); | |
589c3563 JN |
1115 | } |
1116 | ||
38cbf959 | 1117 | /* If the driver didn't set I/O up try regmap */ |
98d3088e | 1118 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) |
38cbf959 MB |
1119 | snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); |
1120 | ||
b7af1daf | 1121 | if (driver->controls) |
022658be | 1122 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1123 | driver->num_controls); |
89b95ac0 MB |
1124 | if (driver->dapm_routes) |
1125 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1126 | driver->num_dapm_routes); | |
1127 | ||
589c3563 JN |
1128 | /* mark codec as probed and add to card codec list */ |
1129 | codec->probed = 1; | |
1130 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1131 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1132 | |
70d29331 JN |
1133 | return 0; |
1134 | ||
1135 | err_probe: | |
d5d1e0be | 1136 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1137 | module_put(codec->dev->driver->owner); |
1138 | ||
589c3563 JN |
1139 | return ret; |
1140 | } | |
1141 | ||
956245e9 LG |
1142 | static int soc_probe_platform(struct snd_soc_card *card, |
1143 | struct snd_soc_platform *platform) | |
1144 | { | |
1145 | int ret = 0; | |
1146 | const struct snd_soc_platform_driver *driver = platform->driver; | |
be09ad90 | 1147 | struct snd_soc_dai *dai; |
956245e9 LG |
1148 | |
1149 | platform->card = card; | |
b7950641 | 1150 | platform->dapm.card = card; |
956245e9 LG |
1151 | |
1152 | if (!try_module_get(platform->dev->driver->owner)) | |
1153 | return -ENODEV; | |
1154 | ||
731f1ab2 SG |
1155 | soc_init_platform_debugfs(platform); |
1156 | ||
cb2cf612 LG |
1157 | if (driver->dapm_widgets) |
1158 | snd_soc_dapm_new_controls(&platform->dapm, | |
1159 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1160 | ||
be09ad90 LG |
1161 | /* Create DAPM widgets for each DAI stream */ |
1162 | list_for_each_entry(dai, &dai_list, list) { | |
1163 | if (dai->dev != platform->dev) | |
1164 | continue; | |
1165 | ||
1166 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
1167 | } | |
1168 | ||
3fec6b6d SW |
1169 | platform->dapm.idle_bias_off = 1; |
1170 | ||
956245e9 LG |
1171 | if (driver->probe) { |
1172 | ret = driver->probe(platform); | |
1173 | if (ret < 0) { | |
1174 | dev_err(platform->dev, | |
f110bfc7 | 1175 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1176 | goto err_probe; |
1177 | } | |
1178 | } | |
1179 | ||
cb2cf612 LG |
1180 | if (driver->controls) |
1181 | snd_soc_add_platform_controls(platform, driver->controls, | |
1182 | driver->num_controls); | |
1183 | if (driver->dapm_routes) | |
1184 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1185 | driver->num_dapm_routes); | |
1186 | ||
956245e9 LG |
1187 | /* mark platform as probed and add to card platform list */ |
1188 | platform->probed = 1; | |
1189 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1190 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1191 | |
1192 | return 0; | |
1193 | ||
1194 | err_probe: | |
02db1103 | 1195 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1196 | module_put(platform->dev->driver->owner); |
1197 | ||
1198 | return ret; | |
1199 | } | |
1200 | ||
36ae1a96 MB |
1201 | static void rtd_release(struct device *dev) |
1202 | { | |
1203 | kfree(dev); | |
1204 | } | |
f0fba2ad | 1205 | |
589c3563 JN |
1206 | static int soc_post_component_init(struct snd_soc_card *card, |
1207 | struct snd_soc_codec *codec, | |
1208 | int num, int dailess) | |
1209 | { | |
1210 | struct snd_soc_dai_link *dai_link = NULL; | |
1211 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1212 | struct snd_soc_pcm_runtime *rtd; | |
1213 | const char *temp, *name; | |
1214 | int ret = 0; | |
1215 | ||
1216 | if (!dailess) { | |
1217 | dai_link = &card->dai_link[num]; | |
1218 | rtd = &card->rtd[num]; | |
1219 | name = dai_link->name; | |
1220 | } else { | |
1221 | aux_dev = &card->aux_dev[num]; | |
1222 | rtd = &card->rtd_aux[num]; | |
1223 | name = aux_dev->name; | |
1224 | } | |
0962bb21 | 1225 | rtd->card = card; |
589c3563 | 1226 | |
4b1cfcb4 MB |
1227 | /* Make sure all DAPM widgets are instantiated */ |
1228 | snd_soc_dapm_new_widgets(&codec->dapm); | |
1229 | ||
589c3563 JN |
1230 | /* machine controls, routes and widgets are not prefixed */ |
1231 | temp = codec->name_prefix; | |
1232 | codec->name_prefix = NULL; | |
1233 | ||
1234 | /* do machine specific initialization */ | |
1235 | if (!dailess && dai_link->init) | |
1236 | ret = dai_link->init(rtd); | |
1237 | else if (dailess && aux_dev->init) | |
1238 | ret = aux_dev->init(&codec->dapm); | |
1239 | if (ret < 0) { | |
f110bfc7 | 1240 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1241 | return ret; |
1242 | } | |
1243 | codec->name_prefix = temp; | |
1244 | ||
589c3563 JN |
1245 | /* register the rtd device */ |
1246 | rtd->codec = codec; | |
36ae1a96 MB |
1247 | |
1248 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1249 | if (!rtd->dev) | |
1250 | return -ENOMEM; | |
1251 | device_initialize(rtd->dev); | |
1252 | rtd->dev->parent = card->dev; | |
1253 | rtd->dev->release = rtd_release; | |
1254 | rtd->dev->init_name = name; | |
1255 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1256 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1257 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1258 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1259 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1260 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1261 | ret = device_add(rtd->dev); |
589c3563 | 1262 | if (ret < 0) { |
865df9cb CL |
1263 | /* calling put_device() here to free the rtd->dev */ |
1264 | put_device(rtd->dev); | |
589c3563 | 1265 | dev_err(card->dev, |
f110bfc7 | 1266 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1267 | return ret; |
1268 | } | |
1269 | rtd->dev_registered = 1; | |
1270 | ||
1271 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1272 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1273 | if (ret < 0) |
1274 | dev_err(codec->dev, | |
f110bfc7 | 1275 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1276 | |
1277 | /* add codec sysfs entries */ | |
36ae1a96 | 1278 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1279 | if (ret < 0) |
1280 | dev_err(codec->dev, | |
f110bfc7 | 1281 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1282 | |
f86dcef8 LG |
1283 | #ifdef CONFIG_DEBUG_FS |
1284 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1285 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1286 | goto out; |
1287 | ||
1288 | ret = soc_dpcm_debugfs_add(rtd); | |
1289 | if (ret < 0) | |
f110bfc7 | 1290 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1291 | |
1292 | out: | |
1293 | #endif | |
589c3563 JN |
1294 | return 0; |
1295 | } | |
1296 | ||
62ae68fa SW |
1297 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1298 | int order) | |
1299 | { | |
1300 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1301 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1302 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1303 | struct snd_soc_platform *platform = rtd->platform; | |
1304 | int ret; | |
1305 | ||
1306 | /* probe the CPU-side component, if it is a CODEC */ | |
1307 | if (cpu_dai->codec && | |
1308 | !cpu_dai->codec->probed && | |
1309 | cpu_dai->codec->driver->probe_order == order) { | |
1310 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1311 | if (ret < 0) | |
1312 | return ret; | |
1313 | } | |
1314 | ||
1315 | /* probe the CODEC-side component */ | |
1316 | if (!codec_dai->codec->probed && | |
1317 | codec_dai->codec->driver->probe_order == order) { | |
1318 | ret = soc_probe_codec(card, codec_dai->codec); | |
1319 | if (ret < 0) | |
1320 | return ret; | |
1321 | } | |
1322 | ||
1323 | /* probe the platform */ | |
1324 | if (!platform->probed && | |
1325 | platform->driver->probe_order == order) { | |
1326 | ret = soc_probe_platform(card, platform); | |
1327 | if (ret < 0) | |
1328 | return ret; | |
1329 | } | |
1330 | ||
1331 | return 0; | |
1332 | } | |
1333 | ||
1334 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) | |
f0fba2ad LG |
1335 | { |
1336 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1337 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1338 | struct snd_soc_codec *codec = rtd->codec; | |
1339 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1340 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1341 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1342 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
f0fba2ad LG |
1343 | int ret; |
1344 | ||
f110bfc7 | 1345 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1346 | card->name, num, order); |
f0fba2ad LG |
1347 | |
1348 | /* config components */ | |
f0fba2ad | 1349 | cpu_dai->platform = platform; |
f0fba2ad LG |
1350 | codec_dai->card = card; |
1351 | cpu_dai->card = card; | |
1352 | ||
1353 | /* set default power off timeout */ | |
1354 | rtd->pmdown_time = pmdown_time; | |
1355 | ||
1356 | /* probe the cpu_dai */ | |
0168bf0d LG |
1357 | if (!cpu_dai->probed && |
1358 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1359 | if (!cpu_dai->codec) { |
1360 | cpu_dai->dapm.card = card; | |
1361 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1362 | return -ENODEV; | |
61b61e3c | 1363 | |
18d75644 | 1364 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe SW |
1365 | snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai); |
1366 | } | |
be09ad90 | 1367 | |
f0fba2ad LG |
1368 | if (cpu_dai->driver->probe) { |
1369 | ret = cpu_dai->driver->probe(cpu_dai); | |
1370 | if (ret < 0) { | |
f110bfc7 LG |
1371 | dev_err(cpu_dai->dev, |
1372 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1373 | cpu_dai->name, ret); | |
61b61e3c | 1374 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1375 | return ret; |
1376 | } | |
1377 | } | |
1378 | cpu_dai->probed = 1; | |
1c8371d6 | 1379 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1380 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1381 | } |
1382 | ||
f0fba2ad | 1383 | /* probe the CODEC DAI */ |
0168bf0d | 1384 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { |
f0fba2ad LG |
1385 | if (codec_dai->driver->probe) { |
1386 | ret = codec_dai->driver->probe(codec_dai); | |
fe3e78e0 | 1387 | if (ret < 0) { |
f110bfc7 LG |
1388 | dev_err(codec_dai->dev, |
1389 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1390 | codec_dai->name, ret); | |
f0fba2ad | 1391 | return ret; |
fe3e78e0 MB |
1392 | } |
1393 | } | |
f0fba2ad | 1394 | |
1c8371d6 | 1395 | /* mark codec_dai as probed and add to card dai list */ |
f0fba2ad LG |
1396 | codec_dai->probed = 1; |
1397 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
fe3e78e0 MB |
1398 | } |
1399 | ||
0168bf0d LG |
1400 | /* complete DAI probe during last probe */ |
1401 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1402 | return 0; | |
1403 | ||
589c3563 JN |
1404 | ret = soc_post_component_init(card, codec, num, 0); |
1405 | if (ret) | |
f0fba2ad | 1406 | return ret; |
fe3e78e0 | 1407 | |
36ae1a96 | 1408 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1409 | if (ret < 0) |
f110bfc7 LG |
1410 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1411 | ret); | |
f0fba2ad | 1412 | |
1245b700 NK |
1413 | if (cpu_dai->driver->compress_dai) { |
1414 | /*create compress_device"*/ | |
1415 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1416 | if (ret < 0) { |
f110bfc7 | 1417 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1418 | dai_link->stream_name); |
c74184ed MB |
1419 | return ret; |
1420 | } | |
1421 | } else { | |
1245b700 NK |
1422 | |
1423 | if (!dai_link->params) { | |
1424 | /* create the pcm */ | |
1425 | ret = soc_new_pcm(rtd, num); | |
1426 | if (ret < 0) { | |
f110bfc7 | 1427 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1428 | dai_link->stream_name, ret); |
c74184ed MB |
1429 | return ret; |
1430 | } | |
1245b700 NK |
1431 | } else { |
1432 | /* link the DAI widgets */ | |
1433 | play_w = codec_dai->playback_widget; | |
1434 | capture_w = cpu_dai->capture_widget; | |
1435 | if (play_w && capture_w) { | |
1436 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1437 | capture_w, play_w); | |
1438 | if (ret != 0) { | |
f110bfc7 | 1439 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1440 | play_w->name, capture_w->name, ret); |
1441 | return ret; | |
1442 | } | |
1443 | } | |
c74184ed | 1444 | |
1245b700 NK |
1445 | play_w = cpu_dai->playback_widget; |
1446 | capture_w = codec_dai->capture_widget; | |
1447 | if (play_w && capture_w) { | |
1448 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c74184ed | 1449 | capture_w, play_w); |
1245b700 | 1450 | if (ret != 0) { |
f110bfc7 | 1451 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1452 | play_w->name, capture_w->name, ret); |
1453 | return ret; | |
1454 | } | |
c74184ed MB |
1455 | } |
1456 | } | |
f0fba2ad LG |
1457 | } |
1458 | ||
1459 | /* add platform data for AC97 devices */ | |
1460 | if (rtd->codec_dai->driver->ac97_control) | |
1461 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1462 | ||
1463 | return 0; | |
1464 | } | |
1465 | ||
fe3e78e0 | 1466 | #ifdef CONFIG_SND_SOC_AC97_BUS |
f0fba2ad LG |
1467 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1468 | { | |
1469 | int ret; | |
1470 | ||
fe3e78e0 MB |
1471 | /* Only instantiate AC97 if not already done by the adaptor |
1472 | * for the generic AC97 subsystem. | |
1473 | */ | |
f0fba2ad | 1474 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
0562f788 MW |
1475 | /* |
1476 | * It is possible that the AC97 device is already registered to | |
1477 | * the device subsystem. This happens when the device is created | |
1478 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1479 | * is the generic AC97 glue but others migh emerge. | |
1480 | * | |
1481 | * In those cases we don't try to register the device again. | |
1482 | */ | |
1483 | if (!rtd->codec->ac97_created) | |
1484 | return 0; | |
f0fba2ad LG |
1485 | |
1486 | ret = soc_ac97_dev_register(rtd->codec); | |
fe3e78e0 | 1487 | if (ret < 0) { |
f110bfc7 LG |
1488 | dev_err(rtd->codec->dev, |
1489 | "ASoC: AC97 device register failed: %d\n", ret); | |
f0fba2ad | 1490 | return ret; |
fe3e78e0 | 1491 | } |
f0fba2ad LG |
1492 | |
1493 | rtd->codec->ac97_registered = 1; | |
fe3e78e0 | 1494 | } |
f0fba2ad LG |
1495 | return 0; |
1496 | } | |
1497 | ||
1498 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) | |
1499 | { | |
1500 | if (codec->ac97_registered) { | |
1501 | soc_ac97_dev_unregister(codec); | |
1502 | codec->ac97_registered = 0; | |
1503 | } | |
1504 | } | |
fe3e78e0 MB |
1505 | #endif |
1506 | ||
b19e6e7b MB |
1507 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1508 | { | |
1509 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1510 | struct snd_soc_codec *codec; | |
1511 | ||
1512 | /* find CODEC from registered CODECs*/ | |
1513 | list_for_each_entry(codec, &codec_list, list) { | |
1514 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1515 | return 0; | |
1516 | } | |
1517 | ||
f110bfc7 | 1518 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1519 | |
b19e6e7b MB |
1520 | return -EPROBE_DEFER; |
1521 | } | |
1522 | ||
2eea392d JN |
1523 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1524 | { | |
1525 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1526 | struct snd_soc_codec *codec; |
676ad98a | 1527 | int ret = -ENODEV; |
2eea392d JN |
1528 | |
1529 | /* find CODEC from registered CODECs*/ | |
1530 | list_for_each_entry(codec, &codec_list, list) { | |
1531 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1532 | if (codec->probed) { | |
1533 | dev_err(codec->dev, | |
f110bfc7 | 1534 | "ASoC: codec already probed"); |
2eea392d JN |
1535 | ret = -EBUSY; |
1536 | goto out; | |
1537 | } | |
676ad98a | 1538 | goto found; |
2eea392d JN |
1539 | } |
1540 | } | |
676ad98a | 1541 | /* codec not found */ |
f110bfc7 | 1542 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1543 | return -EPROBE_DEFER; |
2eea392d | 1544 | |
676ad98a | 1545 | found: |
589c3563 | 1546 | ret = soc_probe_codec(card, codec); |
2eea392d | 1547 | if (ret < 0) |
589c3563 | 1548 | return ret; |
2eea392d | 1549 | |
589c3563 | 1550 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1551 | |
1552 | out: | |
1553 | return ret; | |
1554 | } | |
1555 | ||
1556 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1557 | { | |
1558 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1559 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1560 | |
1561 | /* unregister the rtd device */ | |
1562 | if (rtd->dev_registered) { | |
36ae1a96 | 1563 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1564 | device_unregister(rtd->dev); |
2eea392d JN |
1565 | rtd->dev_registered = 0; |
1566 | } | |
1567 | ||
589c3563 JN |
1568 | if (codec && codec->probed) |
1569 | soc_remove_codec(codec); | |
2eea392d JN |
1570 | } |
1571 | ||
fdf0f54d DP |
1572 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
1573 | enum snd_soc_compress_type compress_type) | |
1574 | { | |
1575 | int ret; | |
1576 | ||
1577 | if (codec->cache_init) | |
1578 | return 0; | |
1579 | ||
1580 | /* override the compress_type if necessary */ | |
1581 | if (compress_type && codec->compress_type != compress_type) | |
1582 | codec->compress_type = compress_type; | |
fdf0f54d DP |
1583 | ret = snd_soc_cache_init(codec); |
1584 | if (ret < 0) { | |
f110bfc7 LG |
1585 | dev_err(codec->dev, "ASoC: Failed to set cache compression" |
1586 | " type: %d\n", 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) { | |
f110bfc7 LG |
1642 | dev_err(card->dev, "ASoC: can't create sound card for" |
1643 | " card %s: %d\n", card->name, ret); | |
b19e6e7b | 1644 | goto base_error; |
f0fba2ad LG |
1645 | } |
1646 | card->snd_card->dev = card->dev; | |
1647 | ||
e37a4970 MB |
1648 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1649 | card->dapm.dev = card->dev; | |
1650 | card->dapm.card = card; | |
1651 | list_add(&card->dapm.list, &card->dapm_list); | |
1652 | ||
d5d1e0be LPC |
1653 | #ifdef CONFIG_DEBUG_FS |
1654 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1655 | #endif | |
1656 | ||
88ee1c61 | 1657 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1658 | /* deferred resume work */ |
1659 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1660 | #endif | |
db2a4165 | 1661 | |
9a841ebb MB |
1662 | if (card->dapm_widgets) |
1663 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1664 | card->num_dapm_widgets); | |
1665 | ||
f0fba2ad LG |
1666 | /* initialise the sound card only once */ |
1667 | if (card->probe) { | |
e7361ec4 | 1668 | ret = card->probe(card); |
f0fba2ad LG |
1669 | if (ret < 0) |
1670 | goto card_probe_error; | |
1671 | } | |
fe3e78e0 | 1672 | |
62ae68fa | 1673 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1674 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1675 | order++) { | |
1676 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1677 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1678 | if (ret < 0) { |
f110bfc7 LG |
1679 | dev_err(card->dev, |
1680 | "ASoC: failed to instantiate card %d\n", | |
1681 | ret); | |
62ae68fa SW |
1682 | goto probe_dai_err; |
1683 | } | |
1684 | } | |
1685 | } | |
1686 | ||
1687 | /* probe all DAI links on this card */ | |
1688 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1689 | order++) { | |
1690 | for (i = 0; i < card->num_links; i++) { | |
1691 | ret = soc_probe_link_dais(card, i, order); | |
1692 | if (ret < 0) { | |
f110bfc7 LG |
1693 | dev_err(card->dev, |
1694 | "ASoC: failed to instantiate card %d\n", | |
1695 | ret); | |
0168bf0d LG |
1696 | goto probe_dai_err; |
1697 | } | |
f0fba2ad LG |
1698 | } |
1699 | } | |
db2a4165 | 1700 | |
2eea392d JN |
1701 | for (i = 0; i < card->num_aux_devs; i++) { |
1702 | ret = soc_probe_aux_dev(card, i); | |
1703 | if (ret < 0) { | |
f110bfc7 LG |
1704 | dev_err(card->dev, |
1705 | "ASoC: failed to add auxiliary devices %d\n", | |
1706 | ret); | |
2eea392d JN |
1707 | goto probe_aux_dev_err; |
1708 | } | |
1709 | } | |
1710 | ||
888df395 MB |
1711 | snd_soc_dapm_link_dai_widgets(card); |
1712 | ||
b7af1daf | 1713 | if (card->controls) |
022658be | 1714 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1715 | |
b8ad29de MB |
1716 | if (card->dapm_routes) |
1717 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1718 | card->num_dapm_routes); | |
1719 | ||
b90d2f90 MB |
1720 | snd_soc_dapm_new_widgets(&card->dapm); |
1721 | ||
75d9ac46 MB |
1722 | for (i = 0; i < card->num_links; i++) { |
1723 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1724 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1725 | |
f04209a7 | 1726 | if (dai_fmt) { |
75d9ac46 | 1727 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1728 | dai_fmt); |
5e4ba569 | 1729 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1730 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1731 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1732 | ret); |
f04209a7 MB |
1733 | } |
1734 | ||
1735 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1736 | if (dai_fmt && |
1737 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1738 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1739 | dai_fmt); | |
1740 | if (ret != 0 && ret != -ENOTSUPP) | |
1741 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1742 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1743 | ret); |
1744 | } else if (dai_fmt) { | |
1745 | /* Flip the polarity for the "CPU" end */ | |
1746 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1747 | switch (dai_link->dai_fmt & | |
1748 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1749 | case SND_SOC_DAIFMT_CBM_CFM: | |
1750 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1751 | break; | |
1752 | case SND_SOC_DAIFMT_CBM_CFS: | |
1753 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1754 | break; | |
1755 | case SND_SOC_DAIFMT_CBS_CFM: | |
1756 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1757 | break; | |
1758 | case SND_SOC_DAIFMT_CBS_CFS: | |
1759 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1760 | break; | |
1761 | } | |
75d9ac46 MB |
1762 | |
1763 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1764 | dai_fmt); |
5e4ba569 | 1765 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1766 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1767 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1768 | ret); |
1769 | } | |
1770 | } | |
1771 | ||
f0fba2ad | 1772 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1773 | "%s", card->name); |
22de71ba LG |
1774 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1775 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1776 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1777 | "%s", card->driver_name ? card->driver_name : card->name); | |
1778 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1779 | switch (card->snd_card->driver[i]) { | |
1780 | case '_': | |
1781 | case '-': | |
1782 | case '\0': | |
1783 | break; | |
1784 | default: | |
1785 | if (!isalnum(card->snd_card->driver[i])) | |
1786 | card->snd_card->driver[i] = '_'; | |
1787 | break; | |
1788 | } | |
1789 | } | |
f0fba2ad | 1790 | |
28e9ad92 MB |
1791 | if (card->late_probe) { |
1792 | ret = card->late_probe(card); | |
1793 | if (ret < 0) { | |
f110bfc7 | 1794 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1795 | card->name, ret); |
1796 | goto probe_aux_dev_err; | |
1797 | } | |
1798 | } | |
1799 | ||
2dc00213 MB |
1800 | snd_soc_dapm_new_widgets(&card->dapm); |
1801 | ||
1633281b | 1802 | if (card->fully_routed) |
b05d8dc1 | 1803 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1804 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1805 | ||
f0fba2ad LG |
1806 | ret = snd_card_register(card->snd_card); |
1807 | if (ret < 0) { | |
f110bfc7 LG |
1808 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1809 | ret); | |
6b3ed785 | 1810 | goto probe_aux_dev_err; |
db2a4165 FM |
1811 | } |
1812 | ||
f0fba2ad LG |
1813 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1814 | /* register any AC97 codecs */ | |
1815 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1816 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1817 | if (ret < 0) { | |
f110bfc7 LG |
1818 | dev_err(card->dev, "ASoC: failed to register AC97:" |
1819 | " %d\n", ret); | |
6b3ed785 | 1820 | while (--i >= 0) |
7d8316df | 1821 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
6b3ed785 | 1822 | goto probe_aux_dev_err; |
f0fba2ad | 1823 | } |
6b3ed785 | 1824 | } |
f0fba2ad LG |
1825 | #endif |
1826 | ||
1827 | card->instantiated = 1; | |
4f4c0072 | 1828 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1829 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1830 | |
1831 | return 0; | |
f0fba2ad | 1832 | |
2eea392d JN |
1833 | probe_aux_dev_err: |
1834 | for (i = 0; i < card->num_aux_devs; i++) | |
1835 | soc_remove_aux_dev(card, i); | |
1836 | ||
f0fba2ad | 1837 | probe_dai_err: |
0671fd8e | 1838 | soc_remove_dai_links(card); |
f0fba2ad LG |
1839 | |
1840 | card_probe_error: | |
87506549 | 1841 | if (card->remove) |
e7361ec4 | 1842 | card->remove(card); |
f0fba2ad LG |
1843 | |
1844 | snd_card_free(card->snd_card); | |
1845 | ||
b19e6e7b | 1846 | base_error: |
f0fba2ad | 1847 | mutex_unlock(&card->mutex); |
db2a4165 | 1848 | |
b19e6e7b | 1849 | return ret; |
435c5e25 MB |
1850 | } |
1851 | ||
1852 | /* probes a new socdev */ | |
1853 | static int soc_probe(struct platform_device *pdev) | |
1854 | { | |
f0fba2ad | 1855 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1856 | |
70a7ca34 VK |
1857 | /* |
1858 | * no card, so machine driver should be registering card | |
1859 | * we should not be here in that case so ret error | |
1860 | */ | |
1861 | if (!card) | |
1862 | return -EINVAL; | |
1863 | ||
fe4085e8 | 1864 | dev_warn(&pdev->dev, |
f110bfc7 | 1865 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1866 | card->name); |
1867 | ||
435c5e25 MB |
1868 | /* Bodge while we unpick instantiation */ |
1869 | card->dev = &pdev->dev; | |
f0fba2ad | 1870 | |
28d528c8 | 1871 | return snd_soc_register_card(card); |
db2a4165 FM |
1872 | } |
1873 | ||
b0e26485 | 1874 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1875 | { |
1876 | int i; | |
db2a4165 | 1877 | |
b0e26485 VK |
1878 | /* make sure any delayed work runs */ |
1879 | for (i = 0; i < card->num_rtd; i++) { | |
1880 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1881 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1882 | } |
914dc182 | 1883 | |
b0e26485 VK |
1884 | /* remove auxiliary devices */ |
1885 | for (i = 0; i < card->num_aux_devs; i++) | |
1886 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1887 | |
b0e26485 | 1888 | /* remove and free each DAI */ |
0671fd8e | 1889 | soc_remove_dai_links(card); |
2eea392d | 1890 | |
b0e26485 | 1891 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1892 | |
b0e26485 VK |
1893 | /* remove the card */ |
1894 | if (card->remove) | |
e7361ec4 | 1895 | card->remove(card); |
a6052154 | 1896 | |
0aaae527 LPC |
1897 | snd_soc_dapm_free(&card->dapm); |
1898 | ||
b0e26485 VK |
1899 | snd_card_free(card->snd_card); |
1900 | return 0; | |
1901 | ||
1902 | } | |
1903 | ||
1904 | /* removes a socdev */ | |
1905 | static int soc_remove(struct platform_device *pdev) | |
1906 | { | |
1907 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1908 | |
c5af3a2e | 1909 | snd_soc_unregister_card(card); |
db2a4165 FM |
1910 | return 0; |
1911 | } | |
1912 | ||
6f8ab4ac | 1913 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1914 | { |
6f8ab4ac | 1915 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1916 | int i; |
51737470 MB |
1917 | |
1918 | if (!card->instantiated) | |
416356fc | 1919 | return 0; |
51737470 MB |
1920 | |
1921 | /* Flush out pmdown_time work - we actually do want to run it | |
1922 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1923 | for (i = 0; i < card->num_rtd; i++) { |
1924 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1925 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1926 | } |
51737470 | 1927 | |
f0fba2ad | 1928 | snd_soc_dapm_shutdown(card); |
416356fc MB |
1929 | |
1930 | return 0; | |
51737470 | 1931 | } |
6f8ab4ac | 1932 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1933 | |
6f8ab4ac | 1934 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1935 | .suspend = snd_soc_suspend, |
1936 | .resume = snd_soc_resume, | |
1937 | .freeze = snd_soc_suspend, | |
1938 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1939 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1940 | .restore = snd_soc_resume, |
416356fc | 1941 | }; |
deb2607e | 1942 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1943 | |
db2a4165 FM |
1944 | /* ASoC platform driver */ |
1945 | static struct platform_driver soc_driver = { | |
1946 | .driver = { | |
1947 | .name = "soc-audio", | |
8b45a209 | 1948 | .owner = THIS_MODULE, |
6f8ab4ac | 1949 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1950 | }, |
1951 | .probe = soc_probe, | |
1952 | .remove = soc_remove, | |
db2a4165 FM |
1953 | }; |
1954 | ||
096e49d5 MB |
1955 | /** |
1956 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
1957 | * | |
1958 | * @codec: CODEC to query. | |
1959 | * @reg: Register to query. | |
1960 | * | |
1961 | * Boolean function indiciating if a CODEC register is volatile. | |
1962 | */ | |
181e055e MB |
1963 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
1964 | unsigned int reg) | |
096e49d5 | 1965 | { |
1500b7b5 DP |
1966 | if (codec->volatile_register) |
1967 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
1968 | else |
1969 | return 0; | |
1970 | } | |
1971 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
1972 | ||
239c9706 DP |
1973 | /** |
1974 | * snd_soc_codec_readable_register: Report if a register is readable. | |
1975 | * | |
1976 | * @codec: CODEC to query. | |
1977 | * @reg: Register to query. | |
1978 | * | |
1979 | * Boolean function indicating if a CODEC register is readable. | |
1980 | */ | |
1981 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
1982 | unsigned int reg) | |
1983 | { | |
1984 | if (codec->readable_register) | |
1985 | return codec->readable_register(codec, reg); | |
1986 | else | |
63fa0a28 | 1987 | return 1; |
239c9706 DP |
1988 | } |
1989 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
1990 | ||
1991 | /** | |
1992 | * snd_soc_codec_writable_register: Report if a register is writable. | |
1993 | * | |
1994 | * @codec: CODEC to query. | |
1995 | * @reg: Register to query. | |
1996 | * | |
1997 | * Boolean function indicating if a CODEC register is writable. | |
1998 | */ | |
1999 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
2000 | unsigned int reg) | |
2001 | { | |
2002 | if (codec->writable_register) | |
2003 | return codec->writable_register(codec, reg); | |
2004 | else | |
63fa0a28 | 2005 | return 1; |
239c9706 DP |
2006 | } |
2007 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2008 | ||
f1442bc1 LG |
2009 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2010 | unsigned int reg) | |
2011 | { | |
2012 | unsigned int ret; | |
2013 | ||
2014 | if (!platform->driver->read) { | |
f110bfc7 | 2015 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2016 | return -1; |
2017 | } | |
2018 | ||
2019 | ret = platform->driver->read(platform, reg); | |
2020 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2021 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2022 | |
2023 | return ret; | |
2024 | } | |
2025 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2026 | ||
2027 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2028 | unsigned int reg, unsigned int val) | |
2029 | { | |
2030 | if (!platform->driver->write) { | |
f110bfc7 | 2031 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2032 | return -1; |
2033 | } | |
2034 | ||
2035 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2036 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2037 | return platform->driver->write(platform, reg, val); |
2038 | } | |
2039 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2040 | ||
db2a4165 FM |
2041 | /** |
2042 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2043 | * @codec: audio codec | |
2044 | * @ops: AC97 bus operations | |
2045 | * @num: AC97 codec number | |
2046 | * | |
2047 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2048 | */ | |
2049 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2050 | struct snd_ac97_bus_ops *ops, int num) | |
2051 | { | |
2052 | mutex_lock(&codec->mutex); | |
2053 | ||
2054 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2055 | if (codec->ac97 == NULL) { | |
2056 | mutex_unlock(&codec->mutex); | |
2057 | return -ENOMEM; | |
2058 | } | |
2059 | ||
2060 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2061 | if (codec->ac97->bus == NULL) { | |
2062 | kfree(codec->ac97); | |
2063 | codec->ac97 = NULL; | |
2064 | mutex_unlock(&codec->mutex); | |
2065 | return -ENOMEM; | |
2066 | } | |
2067 | ||
2068 | codec->ac97->bus->ops = ops; | |
2069 | codec->ac97->num = num; | |
0562f788 MW |
2070 | |
2071 | /* | |
2072 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2073 | * device will be registered with the device subsystem later on. | |
2074 | */ | |
2075 | codec->ac97_created = 1; | |
2076 | ||
db2a4165 FM |
2077 | mutex_unlock(&codec->mutex); |
2078 | return 0; | |
2079 | } | |
2080 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2081 | ||
2082 | /** | |
2083 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2084 | * @codec: audio codec | |
2085 | * | |
2086 | * Frees AC97 codec device resources. | |
2087 | */ | |
2088 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2089 | { | |
2090 | mutex_lock(&codec->mutex); | |
f0fba2ad LG |
2091 | #ifdef CONFIG_SND_SOC_AC97_BUS |
2092 | soc_unregister_ac97_dai_link(codec); | |
2093 | #endif | |
db2a4165 FM |
2094 | kfree(codec->ac97->bus); |
2095 | kfree(codec->ac97); | |
2096 | codec->ac97 = NULL; | |
0562f788 | 2097 | codec->ac97_created = 0; |
db2a4165 FM |
2098 | mutex_unlock(&codec->mutex); |
2099 | } | |
2100 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2101 | ||
c3753707 MB |
2102 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2103 | { | |
2104 | unsigned int ret; | |
2105 | ||
4b9e9796 S |
2106 | if (codec->read) { |
2107 | ret = codec->read(codec, reg); | |
2108 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); | |
2109 | trace_snd_soc_reg_read(codec, reg, ret); | |
2110 | } | |
2111 | else | |
2112 | ret = -EIO; | |
c3753707 MB |
2113 | |
2114 | return ret; | |
2115 | } | |
2116 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2117 | ||
2118 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2119 | unsigned int reg, unsigned int val) | |
2120 | { | |
4b9e9796 S |
2121 | if (codec->write) { |
2122 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
2123 | trace_snd_soc_reg_write(codec, reg, val); | |
2124 | return codec->write(codec, reg, val); | |
2125 | } | |
2126 | else | |
2127 | return -EIO; | |
c3753707 MB |
2128 | } |
2129 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2130 | ||
5fb609d4 DP |
2131 | unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, |
2132 | unsigned int reg, const void *data, size_t len) | |
2133 | { | |
2134 | return codec->bulk_write_raw(codec, reg, data, len); | |
2135 | } | |
2136 | EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); | |
2137 | ||
db2a4165 FM |
2138 | /** |
2139 | * snd_soc_update_bits - update codec register bits | |
2140 | * @codec: audio codec | |
2141 | * @reg: codec register | |
2142 | * @mask: register mask | |
2143 | * @value: new value | |
2144 | * | |
2145 | * Writes new register value. | |
2146 | * | |
180c329d | 2147 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2148 | */ |
2149 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2150 | unsigned int mask, unsigned int value) |
db2a4165 | 2151 | { |
8a713da8 | 2152 | bool change; |
46f5822f | 2153 | unsigned int old, new; |
180c329d TT |
2154 | int ret; |
2155 | ||
8a713da8 MB |
2156 | if (codec->using_regmap) { |
2157 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2158 | mask, value, &change); | |
2159 | } else { | |
2160 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2161 | if (ret < 0) |
2162 | return ret; | |
8a713da8 MB |
2163 | |
2164 | old = ret; | |
2165 | new = (old & ~mask) | (value & mask); | |
2166 | change = old != new; | |
2167 | if (change) | |
2168 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2169 | } |
db2a4165 | 2170 | |
8a713da8 MB |
2171 | if (ret < 0) |
2172 | return ret; | |
2173 | ||
db2a4165 FM |
2174 | return change; |
2175 | } | |
2176 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2177 | ||
6c508c62 EN |
2178 | /** |
2179 | * snd_soc_update_bits_locked - update codec register bits | |
2180 | * @codec: audio codec | |
2181 | * @reg: codec register | |
2182 | * @mask: register mask | |
2183 | * @value: new value | |
2184 | * | |
2185 | * Writes new register value, and takes the codec mutex. | |
2186 | * | |
2187 | * Returns 1 for change else 0. | |
2188 | */ | |
dd1b3d53 MB |
2189 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2190 | unsigned short reg, unsigned int mask, | |
2191 | unsigned int value) | |
6c508c62 EN |
2192 | { |
2193 | int change; | |
2194 | ||
2195 | mutex_lock(&codec->mutex); | |
2196 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2197 | mutex_unlock(&codec->mutex); | |
2198 | ||
2199 | return change; | |
2200 | } | |
dd1b3d53 | 2201 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2202 | |
db2a4165 FM |
2203 | /** |
2204 | * snd_soc_test_bits - test register for change | |
2205 | * @codec: audio codec | |
2206 | * @reg: codec register | |
2207 | * @mask: register mask | |
2208 | * @value: new value | |
2209 | * | |
2210 | * Tests a register with a new value and checks if the new value is | |
2211 | * different from the old value. | |
2212 | * | |
2213 | * Returns 1 for change else 0. | |
2214 | */ | |
2215 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2216 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2217 | { |
2218 | int change; | |
46f5822f | 2219 | unsigned int old, new; |
db2a4165 | 2220 | |
db2a4165 FM |
2221 | old = snd_soc_read(codec, reg); |
2222 | new = (old & ~mask) | value; | |
2223 | change = old != new; | |
db2a4165 FM |
2224 | |
2225 | return change; | |
2226 | } | |
2227 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2228 | ||
db2a4165 FM |
2229 | /** |
2230 | * snd_soc_set_runtime_hwparams - set the runtime hardware parameters | |
2231 | * @substream: the pcm substream | |
2232 | * @hw: the hardware parameters | |
2233 | * | |
2234 | * Sets the substream runtime hardware parameters. | |
2235 | */ | |
2236 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, | |
2237 | const struct snd_pcm_hardware *hw) | |
2238 | { | |
2239 | struct snd_pcm_runtime *runtime = substream->runtime; | |
2240 | runtime->hw.info = hw->info; | |
2241 | runtime->hw.formats = hw->formats; | |
2242 | runtime->hw.period_bytes_min = hw->period_bytes_min; | |
2243 | runtime->hw.period_bytes_max = hw->period_bytes_max; | |
2244 | runtime->hw.periods_min = hw->periods_min; | |
2245 | runtime->hw.periods_max = hw->periods_max; | |
2246 | runtime->hw.buffer_bytes_max = hw->buffer_bytes_max; | |
2247 | runtime->hw.fifo_size = hw->fifo_size; | |
2248 | return 0; | |
2249 | } | |
2250 | EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); | |
2251 | ||
2252 | /** | |
2253 | * snd_soc_cnew - create new control | |
2254 | * @_template: control template | |
2255 | * @data: control private data | |
ac11a2b3 | 2256 | * @long_name: control long name |
efb7ac3f | 2257 | * @prefix: control name prefix |
db2a4165 FM |
2258 | * |
2259 | * Create a new mixer control from a template control. | |
2260 | * | |
2261 | * Returns 0 for success, else error. | |
2262 | */ | |
2263 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2264 | void *data, const char *long_name, |
efb7ac3f | 2265 | const char *prefix) |
db2a4165 FM |
2266 | { |
2267 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2268 | struct snd_kcontrol *kcontrol; |
2269 | char *name = NULL; | |
2270 | int name_len; | |
db2a4165 FM |
2271 | |
2272 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2273 | template.index = 0; |
2274 | ||
efb7ac3f MB |
2275 | if (!long_name) |
2276 | long_name = template.name; | |
2277 | ||
2278 | if (prefix) { | |
2279 | name_len = strlen(long_name) + strlen(prefix) + 2; | |
57cf9d45 | 2280 | name = kmalloc(name_len, GFP_KERNEL); |
efb7ac3f MB |
2281 | if (!name) |
2282 | return NULL; | |
2283 | ||
2284 | snprintf(name, name_len, "%s %s", prefix, long_name); | |
2285 | ||
2286 | template.name = name; | |
2287 | } else { | |
2288 | template.name = long_name; | |
2289 | } | |
2290 | ||
2291 | kcontrol = snd_ctl_new1(&template, data); | |
2292 | ||
2293 | kfree(name); | |
2294 | ||
2295 | return kcontrol; | |
db2a4165 FM |
2296 | } |
2297 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2298 | ||
022658be LG |
2299 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2300 | const struct snd_kcontrol_new *controls, int num_controls, | |
2301 | const char *prefix, void *data) | |
2302 | { | |
2303 | int err, i; | |
2304 | ||
2305 | for (i = 0; i < num_controls; i++) { | |
2306 | const struct snd_kcontrol_new *control = &controls[i]; | |
2307 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2308 | control->name, prefix)); | |
2309 | if (err < 0) { | |
f110bfc7 LG |
2310 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2311 | control->name, err); | |
022658be LG |
2312 | return err; |
2313 | } | |
2314 | } | |
2315 | ||
2316 | return 0; | |
2317 | } | |
2318 | ||
3e8e1952 | 2319 | /** |
022658be LG |
2320 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2321 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2322 | * duplicating this code. |
2323 | * | |
2324 | * @codec: codec to add controls to | |
2325 | * @controls: array of controls to add | |
2326 | * @num_controls: number of elements in the array | |
2327 | * | |
2328 | * Return 0 for success, else error. | |
2329 | */ | |
022658be | 2330 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2331 | const struct snd_kcontrol_new *controls, int num_controls) |
2332 | { | |
f0fba2ad | 2333 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2334 | |
022658be LG |
2335 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2336 | codec->name_prefix, codec); | |
3e8e1952 | 2337 | } |
022658be | 2338 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2339 | |
a491a5c8 LG |
2340 | /** |
2341 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2342 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2343 | * |
2344 | * @platform: platform to add controls to | |
2345 | * @controls: array of controls to add | |
2346 | * @num_controls: number of elements in the array | |
2347 | * | |
2348 | * Return 0 for success, else error. | |
2349 | */ | |
2350 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2351 | const struct snd_kcontrol_new *controls, int num_controls) | |
2352 | { | |
2353 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2354 | |
022658be LG |
2355 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2356 | NULL, platform); | |
a491a5c8 LG |
2357 | } |
2358 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2359 | ||
022658be LG |
2360 | /** |
2361 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2362 | * Convenience function to add a list of controls. | |
2363 | * | |
2364 | * @soc_card: SoC card to add controls to | |
2365 | * @controls: array of controls to add | |
2366 | * @num_controls: number of elements in the array | |
2367 | * | |
2368 | * Return 0 for success, else error. | |
2369 | */ | |
2370 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2371 | const struct snd_kcontrol_new *controls, int num_controls) | |
2372 | { | |
2373 | struct snd_card *card = soc_card->snd_card; | |
2374 | ||
2375 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2376 | NULL, soc_card); | |
2377 | } | |
2378 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2379 | ||
2380 | /** | |
2381 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2382 | * Convienience function to add a list of controls. | |
2383 | * | |
2384 | * @dai: DAI to add controls to | |
2385 | * @controls: array of controls to add | |
2386 | * @num_controls: number of elements in the array | |
2387 | * | |
2388 | * Return 0 for success, else error. | |
2389 | */ | |
2390 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2391 | const struct snd_kcontrol_new *controls, int num_controls) | |
2392 | { | |
2393 | struct snd_card *card = dai->card->snd_card; | |
2394 | ||
2395 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2396 | NULL, dai); | |
2397 | } | |
2398 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2399 | ||
db2a4165 FM |
2400 | /** |
2401 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2402 | * @kcontrol: mixer control | |
2403 | * @uinfo: control element information | |
2404 | * | |
2405 | * Callback to provide information about a double enumerated | |
2406 | * mixer control. | |
2407 | * | |
2408 | * Returns 0 for success. | |
2409 | */ | |
2410 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2411 | struct snd_ctl_elem_info *uinfo) | |
2412 | { | |
2413 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2414 | ||
2415 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2416 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
f8ba0b7b | 2417 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2418 | |
f8ba0b7b JS |
2419 | if (uinfo->value.enumerated.item > e->max - 1) |
2420 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2421 | strcpy(uinfo->value.enumerated.name, |
2422 | e->texts[uinfo->value.enumerated.item]); | |
2423 | return 0; | |
2424 | } | |
2425 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2426 | ||
2427 | /** | |
2428 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2429 | * @kcontrol: mixer control | |
ac11a2b3 | 2430 | * @ucontrol: control element information |
db2a4165 FM |
2431 | * |
2432 | * Callback to get the value of a double enumerated mixer. | |
2433 | * | |
2434 | * Returns 0 for success. | |
2435 | */ | |
2436 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2437 | struct snd_ctl_elem_value *ucontrol) | |
2438 | { | |
2439 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2440 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
86767b7d | 2441 | unsigned int val; |
db2a4165 | 2442 | |
db2a4165 | 2443 | val = snd_soc_read(codec, e->reg); |
3ff3f64b | 2444 | ucontrol->value.enumerated.item[0] |
86767b7d | 2445 | = (val >> e->shift_l) & e->mask; |
db2a4165 FM |
2446 | if (e->shift_l != e->shift_r) |
2447 | ucontrol->value.enumerated.item[1] = | |
86767b7d | 2448 | (val >> e->shift_r) & e->mask; |
db2a4165 FM |
2449 | |
2450 | return 0; | |
2451 | } | |
2452 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2453 | ||
2454 | /** | |
2455 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2456 | * @kcontrol: mixer control | |
ac11a2b3 | 2457 | * @ucontrol: control element information |
db2a4165 FM |
2458 | * |
2459 | * Callback to set the value of a double enumerated mixer. | |
2460 | * | |
2461 | * Returns 0 for success. | |
2462 | */ | |
2463 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2464 | struct snd_ctl_elem_value *ucontrol) | |
2465 | { | |
2466 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2467 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
46f5822f | 2468 | unsigned int val; |
86767b7d | 2469 | unsigned int mask; |
db2a4165 | 2470 | |
f8ba0b7b | 2471 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
db2a4165 FM |
2472 | return -EINVAL; |
2473 | val = ucontrol->value.enumerated.item[0] << e->shift_l; | |
86767b7d | 2474 | mask = e->mask << e->shift_l; |
db2a4165 | 2475 | if (e->shift_l != e->shift_r) { |
f8ba0b7b | 2476 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
db2a4165 FM |
2477 | return -EINVAL; |
2478 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; | |
86767b7d | 2479 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2480 | } |
2481 | ||
6c508c62 | 2482 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2483 | } |
2484 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2485 | ||
2e72f8e3 PU |
2486 | /** |
2487 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback | |
2488 | * @kcontrol: mixer control | |
2489 | * @ucontrol: control element information | |
2490 | * | |
2491 | * Callback to get the value of a double semi enumerated mixer. | |
2492 | * | |
2493 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2494 | * used for handling bitfield coded enumeration for example. | |
2495 | * | |
2496 | * Returns 0 for success. | |
2497 | */ | |
2498 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, | |
2499 | struct snd_ctl_elem_value *ucontrol) | |
2500 | { | |
2501 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2502 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f | 2503 | unsigned int reg_val, val, mux; |
2e72f8e3 PU |
2504 | |
2505 | reg_val = snd_soc_read(codec, e->reg); | |
2506 | val = (reg_val >> e->shift_l) & e->mask; | |
2507 | for (mux = 0; mux < e->max; mux++) { | |
2508 | if (val == e->values[mux]) | |
2509 | break; | |
2510 | } | |
2511 | ucontrol->value.enumerated.item[0] = mux; | |
2512 | if (e->shift_l != e->shift_r) { | |
2513 | val = (reg_val >> e->shift_r) & e->mask; | |
2514 | for (mux = 0; mux < e->max; mux++) { | |
2515 | if (val == e->values[mux]) | |
2516 | break; | |
2517 | } | |
2518 | ucontrol->value.enumerated.item[1] = mux; | |
2519 | } | |
2520 | ||
2521 | return 0; | |
2522 | } | |
2523 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); | |
2524 | ||
2525 | /** | |
2526 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback | |
2527 | * @kcontrol: mixer control | |
2528 | * @ucontrol: control element information | |
2529 | * | |
2530 | * Callback to set the value of a double semi enumerated mixer. | |
2531 | * | |
2532 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2533 | * used for handling bitfield coded enumeration for example. | |
2534 | * | |
2535 | * Returns 0 for success. | |
2536 | */ | |
2537 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, | |
2538 | struct snd_ctl_elem_value *ucontrol) | |
2539 | { | |
2540 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2541 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f DR |
2542 | unsigned int val; |
2543 | unsigned int mask; | |
2e72f8e3 PU |
2544 | |
2545 | if (ucontrol->value.enumerated.item[0] > e->max - 1) | |
2546 | return -EINVAL; | |
2547 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; | |
2548 | mask = e->mask << e->shift_l; | |
2549 | if (e->shift_l != e->shift_r) { | |
2550 | if (ucontrol->value.enumerated.item[1] > e->max - 1) | |
2551 | return -EINVAL; | |
2552 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; | |
2553 | mask |= e->mask << e->shift_r; | |
2554 | } | |
2555 | ||
6c508c62 | 2556 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
2e72f8e3 PU |
2557 | } |
2558 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); | |
2559 | ||
db2a4165 FM |
2560 | /** |
2561 | * snd_soc_info_enum_ext - external enumerated single mixer info callback | |
2562 | * @kcontrol: mixer control | |
2563 | * @uinfo: control element information | |
2564 | * | |
2565 | * Callback to provide information about an external enumerated | |
2566 | * single mixer. | |
2567 | * | |
2568 | * Returns 0 for success. | |
2569 | */ | |
2570 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, | |
2571 | struct snd_ctl_elem_info *uinfo) | |
2572 | { | |
2573 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2574 | ||
2575 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2576 | uinfo->count = 1; | |
f8ba0b7b | 2577 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2578 | |
f8ba0b7b JS |
2579 | if (uinfo->value.enumerated.item > e->max - 1) |
2580 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2581 | strcpy(uinfo->value.enumerated.name, |
2582 | e->texts[uinfo->value.enumerated.item]); | |
2583 | return 0; | |
2584 | } | |
2585 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); | |
2586 | ||
2587 | /** | |
2588 | * snd_soc_info_volsw_ext - external single mixer info callback | |
2589 | * @kcontrol: mixer control | |
2590 | * @uinfo: control element information | |
2591 | * | |
2592 | * Callback to provide information about a single external mixer control. | |
2593 | * | |
2594 | * Returns 0 for success. | |
2595 | */ | |
2596 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, | |
2597 | struct snd_ctl_elem_info *uinfo) | |
2598 | { | |
a7a4ac86 PZ |
2599 | int max = kcontrol->private_value; |
2600 | ||
fd5dfad9 | 2601 | if (max == 1 && !strstr(kcontrol->id.name, " Volume")) |
a7a4ac86 PZ |
2602 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2603 | else | |
2604 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
db2a4165 | 2605 | |
db2a4165 FM |
2606 | uinfo->count = 1; |
2607 | uinfo->value.integer.min = 0; | |
a7a4ac86 | 2608 | uinfo->value.integer.max = max; |
db2a4165 FM |
2609 | return 0; |
2610 | } | |
2611 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); | |
2612 | ||
db2a4165 FM |
2613 | /** |
2614 | * snd_soc_info_volsw - single mixer info callback | |
2615 | * @kcontrol: mixer control | |
2616 | * @uinfo: control element information | |
2617 | * | |
e8f5a103 PU |
2618 | * Callback to provide information about a single mixer control, or a double |
2619 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2620 | * |
2621 | * Returns 0 for success. | |
2622 | */ | |
2623 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2624 | struct snd_ctl_elem_info *uinfo) | |
2625 | { | |
4eaa9819 JS |
2626 | struct soc_mixer_control *mc = |
2627 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2628 | int platform_max; |
db2a4165 | 2629 | |
d11bb4a9 PU |
2630 | if (!mc->platform_max) |
2631 | mc->platform_max = mc->max; | |
2632 | platform_max = mc->platform_max; | |
2633 | ||
2634 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2635 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2636 | else | |
2637 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2638 | ||
e8f5a103 | 2639 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2640 | uinfo->value.integer.min = 0; |
d11bb4a9 | 2641 | uinfo->value.integer.max = platform_max; |
db2a4165 FM |
2642 | return 0; |
2643 | } | |
2644 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2645 | ||
2646 | /** | |
2647 | * snd_soc_get_volsw - single mixer get callback | |
2648 | * @kcontrol: mixer control | |
ac11a2b3 | 2649 | * @ucontrol: control element information |
db2a4165 | 2650 | * |
f7915d99 PU |
2651 | * Callback to get the value of a single mixer control, or a double mixer |
2652 | * control that spans 2 registers. | |
db2a4165 FM |
2653 | * |
2654 | * Returns 0 for success. | |
2655 | */ | |
2656 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2657 | struct snd_ctl_elem_value *ucontrol) | |
2658 | { | |
4eaa9819 JS |
2659 | struct soc_mixer_control *mc = |
2660 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2661 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2662 | unsigned int reg = mc->reg; |
f7915d99 | 2663 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2664 | unsigned int shift = mc->shift; |
2665 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2666 | int max = mc->max; |
815ecf8d JS |
2667 | unsigned int mask = (1 << fls(max)) - 1; |
2668 | unsigned int invert = mc->invert; | |
db2a4165 FM |
2669 | |
2670 | ucontrol->value.integer.value[0] = | |
2671 | (snd_soc_read(codec, reg) >> shift) & mask; | |
f7915d99 | 2672 | if (invert) |
db2a4165 | 2673 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2674 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2675 | |
2676 | if (snd_soc_volsw_is_stereo(mc)) { | |
2677 | if (reg == reg2) | |
2678 | ucontrol->value.integer.value[1] = | |
2679 | (snd_soc_read(codec, reg) >> rshift) & mask; | |
2680 | else | |
2681 | ucontrol->value.integer.value[1] = | |
2682 | (snd_soc_read(codec, reg2) >> shift) & mask; | |
2683 | if (invert) | |
db2a4165 | 2684 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2685 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2686 | } |
2687 | ||
2688 | return 0; | |
2689 | } | |
2690 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2691 | ||
2692 | /** | |
2693 | * snd_soc_put_volsw - single mixer put callback | |
2694 | * @kcontrol: mixer control | |
ac11a2b3 | 2695 | * @ucontrol: control element information |
db2a4165 | 2696 | * |
974815ba PU |
2697 | * Callback to set the value of a single mixer control, or a double mixer |
2698 | * control that spans 2 registers. | |
db2a4165 FM |
2699 | * |
2700 | * Returns 0 for success. | |
2701 | */ | |
2702 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2703 | struct snd_ctl_elem_value *ucontrol) | |
2704 | { | |
4eaa9819 JS |
2705 | struct soc_mixer_control *mc = |
2706 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2707 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2708 | unsigned int reg = mc->reg; |
974815ba | 2709 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2710 | unsigned int shift = mc->shift; |
2711 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2712 | int max = mc->max; |
815ecf8d JS |
2713 | unsigned int mask = (1 << fls(max)) - 1; |
2714 | unsigned int invert = mc->invert; | |
974815ba PU |
2715 | int err; |
2716 | bool type_2r = 0; | |
2717 | unsigned int val2 = 0; | |
2718 | unsigned int val, val_mask; | |
db2a4165 FM |
2719 | |
2720 | val = (ucontrol->value.integer.value[0] & mask); | |
2721 | if (invert) | |
a7a4ac86 | 2722 | val = max - val; |
db2a4165 FM |
2723 | val_mask = mask << shift; |
2724 | val = val << shift; | |
974815ba | 2725 | if (snd_soc_volsw_is_stereo(mc)) { |
db2a4165 FM |
2726 | val2 = (ucontrol->value.integer.value[1] & mask); |
2727 | if (invert) | |
a7a4ac86 | 2728 | val2 = max - val2; |
974815ba PU |
2729 | if (reg == reg2) { |
2730 | val_mask |= mask << rshift; | |
2731 | val |= val2 << rshift; | |
2732 | } else { | |
2733 | val2 = val2 << shift; | |
2734 | type_2r = 1; | |
2735 | } | |
db2a4165 | 2736 | } |
6c508c62 | 2737 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2738 | if (err < 0) |
db2a4165 FM |
2739 | return err; |
2740 | ||
974815ba PU |
2741 | if (type_2r) |
2742 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2743 | ||
db2a4165 FM |
2744 | return err; |
2745 | } | |
974815ba | 2746 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2747 | |
1d99f243 BA |
2748 | /** |
2749 | * snd_soc_get_volsw_sx - single mixer get callback | |
2750 | * @kcontrol: mixer control | |
2751 | * @ucontrol: control element information | |
2752 | * | |
2753 | * Callback to get the value of a single mixer control, or a double mixer | |
2754 | * control that spans 2 registers. | |
2755 | * | |
2756 | * Returns 0 for success. | |
2757 | */ | |
2758 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2759 | struct snd_ctl_elem_value *ucontrol) | |
2760 | { | |
2761 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2762 | struct soc_mixer_control *mc = | |
2763 | (struct soc_mixer_control *)kcontrol->private_value; | |
2764 | ||
2765 | unsigned int reg = mc->reg; | |
2766 | unsigned int reg2 = mc->rreg; | |
2767 | unsigned int shift = mc->shift; | |
2768 | unsigned int rshift = mc->rshift; | |
2769 | int max = mc->max; | |
2770 | int min = mc->min; | |
2771 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2772 | ||
2773 | ucontrol->value.integer.value[0] = | |
2774 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2775 | ||
2776 | if (snd_soc_volsw_is_stereo(mc)) | |
2777 | ucontrol->value.integer.value[1] = | |
2778 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2779 | ||
2780 | return 0; | |
2781 | } | |
2782 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2783 | ||
2784 | /** | |
2785 | * snd_soc_put_volsw_sx - double mixer set callback | |
2786 | * @kcontrol: mixer control | |
2787 | * @uinfo: control element information | |
2788 | * | |
2789 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2790 | * | |
2791 | * Returns 0 for success. | |
2792 | */ | |
2793 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2794 | struct snd_ctl_elem_value *ucontrol) | |
2795 | { | |
2796 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2797 | struct soc_mixer_control *mc = | |
2798 | (struct soc_mixer_control *)kcontrol->private_value; | |
2799 | ||
2800 | unsigned int reg = mc->reg; | |
2801 | unsigned int reg2 = mc->rreg; | |
2802 | unsigned int shift = mc->shift; | |
2803 | unsigned int rshift = mc->rshift; | |
2804 | int max = mc->max; | |
2805 | int min = mc->min; | |
2806 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2807 | int err = 0; |
1d99f243 BA |
2808 | unsigned short val, val_mask, val2 = 0; |
2809 | ||
2810 | val_mask = mask << shift; | |
2811 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2812 | val = val << shift; | |
2813 | ||
d055852e MN |
2814 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2815 | if (err < 0) | |
2816 | return err; | |
1d99f243 BA |
2817 | |
2818 | if (snd_soc_volsw_is_stereo(mc)) { | |
2819 | val_mask = mask << rshift; | |
2820 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2821 | val2 = val2 << rshift; | |
2822 | ||
2823 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2824 | return err; | |
2825 | } | |
2826 | return 0; | |
2827 | } | |
2828 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2829 | ||
e13ac2e9 MB |
2830 | /** |
2831 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2832 | * @kcontrol: mixer control | |
2833 | * @uinfo: control element information | |
2834 | * | |
2835 | * Callback to provide information about a signed mixer control. | |
2836 | * | |
2837 | * Returns 0 for success. | |
2838 | */ | |
2839 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2840 | struct snd_ctl_elem_info *uinfo) | |
2841 | { | |
4eaa9819 JS |
2842 | struct soc_mixer_control *mc = |
2843 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2844 | int platform_max; |
4eaa9819 | 2845 | int min = mc->min; |
e13ac2e9 | 2846 | |
d11bb4a9 PU |
2847 | if (!mc->platform_max) |
2848 | mc->platform_max = mc->max; | |
2849 | platform_max = mc->platform_max; | |
2850 | ||
e13ac2e9 MB |
2851 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2852 | uinfo->count = 2; | |
2853 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2854 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2855 | return 0; |
2856 | } | |
2857 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2858 | ||
2859 | /** | |
2860 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2861 | * @kcontrol: mixer control | |
ac11a2b3 | 2862 | * @ucontrol: control element information |
e13ac2e9 MB |
2863 | * |
2864 | * Callback to get the value of a signed mixer control. | |
2865 | * | |
2866 | * Returns 0 for success. | |
2867 | */ | |
2868 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2869 | struct snd_ctl_elem_value *ucontrol) | |
2870 | { | |
4eaa9819 JS |
2871 | struct soc_mixer_control *mc = |
2872 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2873 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2874 | unsigned int reg = mc->reg; |
4eaa9819 | 2875 | int min = mc->min; |
e13ac2e9 MB |
2876 | int val = snd_soc_read(codec, reg); |
2877 | ||
2878 | ucontrol->value.integer.value[0] = | |
2879 | ((signed char)(val & 0xff))-min; | |
2880 | ucontrol->value.integer.value[1] = | |
2881 | ((signed char)((val >> 8) & 0xff))-min; | |
2882 | return 0; | |
2883 | } | |
2884 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2885 | ||
2886 | /** | |
2887 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2888 | * @kcontrol: mixer control | |
ac11a2b3 | 2889 | * @ucontrol: control element information |
e13ac2e9 MB |
2890 | * |
2891 | * Callback to set the value of a signed mixer control. | |
2892 | * | |
2893 | * Returns 0 for success. | |
2894 | */ | |
2895 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2896 | struct snd_ctl_elem_value *ucontrol) | |
2897 | { | |
4eaa9819 JS |
2898 | struct soc_mixer_control *mc = |
2899 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2900 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2901 | unsigned int reg = mc->reg; |
4eaa9819 | 2902 | int min = mc->min; |
46f5822f | 2903 | unsigned int val; |
e13ac2e9 MB |
2904 | |
2905 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2906 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2907 | ||
6c508c62 | 2908 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
2909 | } |
2910 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2911 | ||
6c9d8cf6 AT |
2912 | /** |
2913 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2914 | * @kcontrol: mixer control | |
2915 | * @uinfo: control element information | |
2916 | * | |
2917 | * Callback to provide information, within a range, about a single | |
2918 | * mixer control. | |
2919 | * | |
2920 | * returns 0 for success. | |
2921 | */ | |
2922 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2923 | struct snd_ctl_elem_info *uinfo) | |
2924 | { | |
2925 | struct soc_mixer_control *mc = | |
2926 | (struct soc_mixer_control *)kcontrol->private_value; | |
2927 | int platform_max; | |
2928 | int min = mc->min; | |
2929 | ||
2930 | if (!mc->platform_max) | |
2931 | mc->platform_max = mc->max; | |
2932 | platform_max = mc->platform_max; | |
2933 | ||
2934 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2935 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2936 | uinfo->value.integer.min = 0; |
2937 | uinfo->value.integer.max = platform_max - min; | |
2938 | ||
2939 | return 0; | |
2940 | } | |
2941 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2942 | ||
2943 | /** | |
2944 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2945 | * @kcontrol: mixer control | |
2946 | * @ucontrol: control element information | |
2947 | * | |
2948 | * Callback to set the value, within a range, for a single mixer control. | |
2949 | * | |
2950 | * Returns 0 for success. | |
2951 | */ | |
2952 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2953 | struct snd_ctl_elem_value *ucontrol) | |
2954 | { | |
2955 | struct soc_mixer_control *mc = | |
2956 | (struct soc_mixer_control *)kcontrol->private_value; | |
2957 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2958 | unsigned int reg = mc->reg; | |
9bde4f0b | 2959 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2960 | unsigned int shift = mc->shift; |
2961 | int min = mc->min; | |
2962 | int max = mc->max; | |
2963 | unsigned int mask = (1 << fls(max)) - 1; | |
2964 | unsigned int invert = mc->invert; | |
2965 | unsigned int val, val_mask; | |
9bde4f0b | 2966 | int ret; |
6c9d8cf6 AT |
2967 | |
2968 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
2969 | if (invert) | |
2970 | val = max - val; | |
2971 | val_mask = mask << shift; | |
2972 | val = val << shift; | |
2973 | ||
9bde4f0b | 2974 | ret = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
0eaa6cca | 2975 | if (ret < 0) |
9bde4f0b MB |
2976 | return ret; |
2977 | ||
2978 | if (snd_soc_volsw_is_stereo(mc)) { | |
2979 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
2980 | if (invert) | |
2981 | val = max - val; | |
2982 | val_mask = mask << shift; | |
2983 | val = val << shift; | |
2984 | ||
2985 | ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val); | |
2986 | } | |
2987 | ||
2988 | return ret; | |
6c9d8cf6 AT |
2989 | } |
2990 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
2991 | ||
2992 | /** | |
2993 | * snd_soc_get_volsw_range - single mixer get callback with range | |
2994 | * @kcontrol: mixer control | |
2995 | * @ucontrol: control element information | |
2996 | * | |
2997 | * Callback to get the value, within a range, of a single mixer control. | |
2998 | * | |
2999 | * Returns 0 for success. | |
3000 | */ | |
3001 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3002 | struct snd_ctl_elem_value *ucontrol) | |
3003 | { | |
3004 | struct soc_mixer_control *mc = | |
3005 | (struct soc_mixer_control *)kcontrol->private_value; | |
3006 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3007 | unsigned int reg = mc->reg; | |
9bde4f0b | 3008 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3009 | unsigned int shift = mc->shift; |
3010 | int min = mc->min; | |
3011 | int max = mc->max; | |
3012 | unsigned int mask = (1 << fls(max)) - 1; | |
3013 | unsigned int invert = mc->invert; | |
3014 | ||
3015 | ucontrol->value.integer.value[0] = | |
3016 | (snd_soc_read(codec, reg) >> shift) & mask; | |
3017 | if (invert) | |
3018 | ucontrol->value.integer.value[0] = | |
3019 | max - ucontrol->value.integer.value[0]; | |
3020 | ucontrol->value.integer.value[0] = | |
3021 | ucontrol->value.integer.value[0] - min; | |
3022 | ||
9bde4f0b MB |
3023 | if (snd_soc_volsw_is_stereo(mc)) { |
3024 | ucontrol->value.integer.value[1] = | |
3025 | (snd_soc_read(codec, rreg) >> shift) & mask; | |
3026 | if (invert) | |
3027 | ucontrol->value.integer.value[1] = | |
3028 | max - ucontrol->value.integer.value[1]; | |
3029 | ucontrol->value.integer.value[1] = | |
3030 | ucontrol->value.integer.value[1] - min; | |
3031 | } | |
3032 | ||
6c9d8cf6 AT |
3033 | return 0; |
3034 | } | |
3035 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3036 | ||
637d3847 PU |
3037 | /** |
3038 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3039 | * | |
3040 | * @codec: where to look for the control | |
3041 | * @name: Name of the control | |
3042 | * @max: new maximum limit | |
3043 | * | |
3044 | * Return 0 for success, else error. | |
3045 | */ | |
3046 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3047 | const char *name, int max) | |
3048 | { | |
f0fba2ad | 3049 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3050 | struct snd_kcontrol *kctl; |
3051 | struct soc_mixer_control *mc; | |
3052 | int found = 0; | |
3053 | int ret = -EINVAL; | |
3054 | ||
3055 | /* Sanity check for name and max */ | |
3056 | if (unlikely(!name || max <= 0)) | |
3057 | return -EINVAL; | |
3058 | ||
3059 | list_for_each_entry(kctl, &card->controls, list) { | |
3060 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3061 | found = 1; | |
3062 | break; | |
3063 | } | |
3064 | } | |
3065 | if (found) { | |
3066 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3067 | if (max <= mc->max) { | |
d11bb4a9 | 3068 | mc->platform_max = max; |
637d3847 PU |
3069 | ret = 0; |
3070 | } | |
3071 | } | |
3072 | return ret; | |
3073 | } | |
3074 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3075 | ||
71d08516 MB |
3076 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3077 | struct snd_ctl_elem_info *uinfo) | |
3078 | { | |
3079 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3080 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3081 | ||
3082 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3083 | uinfo->count = params->num_regs * codec->val_bytes; | |
3084 | ||
3085 | return 0; | |
3086 | } | |
3087 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3088 | ||
3089 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3090 | struct snd_ctl_elem_value *ucontrol) | |
3091 | { | |
3092 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3093 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3094 | int ret; | |
3095 | ||
3096 | if (codec->using_regmap) | |
3097 | ret = regmap_raw_read(codec->control_data, params->base, | |
3098 | ucontrol->value.bytes.data, | |
3099 | params->num_regs * codec->val_bytes); | |
3100 | else | |
3101 | ret = -EINVAL; | |
3102 | ||
f831b055 MB |
3103 | /* Hide any masked bytes to ensure consistent data reporting */ |
3104 | if (ret == 0 && params->mask) { | |
3105 | switch (codec->val_bytes) { | |
3106 | case 1: | |
3107 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3108 | break; | |
3109 | case 2: | |
3110 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
3111 | &= ~params->mask; | |
3112 | break; | |
3113 | case 4: | |
3114 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
3115 | &= ~params->mask; | |
3116 | break; | |
3117 | default: | |
3118 | return -EINVAL; | |
3119 | } | |
3120 | } | |
3121 | ||
71d08516 MB |
3122 | return ret; |
3123 | } | |
3124 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3125 | ||
3126 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3127 | struct snd_ctl_elem_value *ucontrol) | |
3128 | { | |
3129 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3130 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 MB |
3131 | int ret, len; |
3132 | unsigned int val; | |
3133 | void *data; | |
71d08516 | 3134 | |
f831b055 MB |
3135 | if (!codec->using_regmap) |
3136 | return -EINVAL; | |
3137 | ||
f831b055 MB |
3138 | len = params->num_regs * codec->val_bytes; |
3139 | ||
b5a8fe43 MB |
3140 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3141 | if (!data) | |
3142 | return -ENOMEM; | |
3143 | ||
f831b055 MB |
3144 | /* |
3145 | * If we've got a mask then we need to preserve the register | |
3146 | * bits. We shouldn't modify the incoming data so take a | |
3147 | * copy. | |
3148 | */ | |
3149 | if (params->mask) { | |
3150 | ret = regmap_read(codec->control_data, params->base, &val); | |
3151 | if (ret != 0) | |
e8b18add | 3152 | goto out; |
f831b055 MB |
3153 | |
3154 | val &= params->mask; | |
3155 | ||
f831b055 MB |
3156 | switch (codec->val_bytes) { |
3157 | case 1: | |
3158 | ((u8 *)data)[0] &= ~params->mask; | |
3159 | ((u8 *)data)[0] |= val; | |
3160 | break; | |
3161 | case 2: | |
3162 | ((u16 *)data)[0] &= cpu_to_be16(~params->mask); | |
3163 | ((u16 *)data)[0] |= cpu_to_be16(val); | |
3164 | break; | |
3165 | case 4: | |
3166 | ((u32 *)data)[0] &= cpu_to_be32(~params->mask); | |
3167 | ((u32 *)data)[0] |= cpu_to_be32(val); | |
3168 | break; | |
3169 | default: | |
e8b18add WY |
3170 | ret = -EINVAL; |
3171 | goto out; | |
f831b055 MB |
3172 | } |
3173 | } | |
3174 | ||
3175 | ret = regmap_raw_write(codec->control_data, params->base, | |
3176 | data, len); | |
3177 | ||
e8b18add | 3178 | out: |
b5a8fe43 | 3179 | kfree(data); |
71d08516 MB |
3180 | |
3181 | return ret; | |
3182 | } | |
3183 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3184 | ||
4183eed2 KK |
3185 | /** |
3186 | * snd_soc_info_xr_sx - signed multi register info callback | |
3187 | * @kcontrol: mreg control | |
3188 | * @uinfo: control element information | |
3189 | * | |
3190 | * Callback to provide information of a control that can | |
3191 | * span multiple codec registers which together | |
3192 | * forms a single signed value in a MSB/LSB manner. | |
3193 | * | |
3194 | * Returns 0 for success. | |
3195 | */ | |
3196 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3197 | struct snd_ctl_elem_info *uinfo) | |
3198 | { | |
3199 | struct soc_mreg_control *mc = | |
3200 | (struct soc_mreg_control *)kcontrol->private_value; | |
3201 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3202 | uinfo->count = 1; | |
3203 | uinfo->value.integer.min = mc->min; | |
3204 | uinfo->value.integer.max = mc->max; | |
3205 | ||
3206 | return 0; | |
3207 | } | |
3208 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3209 | ||
3210 | /** | |
3211 | * snd_soc_get_xr_sx - signed multi register get callback | |
3212 | * @kcontrol: mreg control | |
3213 | * @ucontrol: control element information | |
3214 | * | |
3215 | * Callback to get the value of a control that can span | |
3216 | * multiple codec registers which together forms a single | |
3217 | * signed value in a MSB/LSB manner. The control supports | |
3218 | * specifying total no of bits used to allow for bitfields | |
3219 | * across the multiple codec registers. | |
3220 | * | |
3221 | * Returns 0 for success. | |
3222 | */ | |
3223 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3224 | struct snd_ctl_elem_value *ucontrol) | |
3225 | { | |
3226 | struct soc_mreg_control *mc = | |
3227 | (struct soc_mreg_control *)kcontrol->private_value; | |
3228 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3229 | unsigned int regbase = mc->regbase; | |
3230 | unsigned int regcount = mc->regcount; | |
3231 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3232 | unsigned int regwmask = (1<<regwshift)-1; | |
3233 | unsigned int invert = mc->invert; | |
3234 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3235 | long min = mc->min; | |
3236 | long max = mc->max; | |
3237 | long val = 0; | |
3238 | unsigned long regval; | |
3239 | unsigned int i; | |
3240 | ||
3241 | for (i = 0; i < regcount; i++) { | |
3242 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3243 | val |= regval << (regwshift*(regcount-i-1)); | |
3244 | } | |
3245 | val &= mask; | |
3246 | if (min < 0 && val > max) | |
3247 | val |= ~mask; | |
3248 | if (invert) | |
3249 | val = max - val; | |
3250 | ucontrol->value.integer.value[0] = val; | |
3251 | ||
3252 | return 0; | |
3253 | } | |
3254 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3255 | ||
3256 | /** | |
3257 | * snd_soc_put_xr_sx - signed multi register get callback | |
3258 | * @kcontrol: mreg control | |
3259 | * @ucontrol: control element information | |
3260 | * | |
3261 | * Callback to set the value of a control that can span | |
3262 | * multiple codec registers which together forms a single | |
3263 | * signed value in a MSB/LSB manner. The control supports | |
3264 | * specifying total no of bits used to allow for bitfields | |
3265 | * across the multiple codec registers. | |
3266 | * | |
3267 | * Returns 0 for success. | |
3268 | */ | |
3269 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3270 | struct snd_ctl_elem_value *ucontrol) | |
3271 | { | |
3272 | struct soc_mreg_control *mc = | |
3273 | (struct soc_mreg_control *)kcontrol->private_value; | |
3274 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3275 | unsigned int regbase = mc->regbase; | |
3276 | unsigned int regcount = mc->regcount; | |
3277 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3278 | unsigned int regwmask = (1<<regwshift)-1; | |
3279 | unsigned int invert = mc->invert; | |
3280 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3281 | long max = mc->max; |
3282 | long val = ucontrol->value.integer.value[0]; | |
3283 | unsigned int i, regval, regmask; | |
3284 | int err; | |
3285 | ||
3286 | if (invert) | |
3287 | val = max - val; | |
3288 | val &= mask; | |
3289 | for (i = 0; i < regcount; i++) { | |
3290 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3291 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3292 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3293 | regmask, regval); | |
3294 | if (err < 0) | |
3295 | return err; | |
3296 | } | |
3297 | ||
3298 | return 0; | |
3299 | } | |
3300 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3301 | ||
dd7b10b3 KK |
3302 | /** |
3303 | * snd_soc_get_strobe - strobe get callback | |
3304 | * @kcontrol: mixer control | |
3305 | * @ucontrol: control element information | |
3306 | * | |
3307 | * Callback get the value of a strobe mixer control. | |
3308 | * | |
3309 | * Returns 0 for success. | |
3310 | */ | |
3311 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3312 | struct snd_ctl_elem_value *ucontrol) | |
3313 | { | |
3314 | struct soc_mixer_control *mc = | |
3315 | (struct soc_mixer_control *)kcontrol->private_value; | |
3316 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3317 | unsigned int reg = mc->reg; | |
3318 | unsigned int shift = mc->shift; | |
3319 | unsigned int mask = 1 << shift; | |
3320 | unsigned int invert = mc->invert != 0; | |
3321 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3322 | ||
3323 | if (shift != 0 && val != 0) | |
3324 | val = val >> shift; | |
3325 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3326 | ||
3327 | return 0; | |
3328 | } | |
3329 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3330 | ||
3331 | /** | |
3332 | * snd_soc_put_strobe - strobe put callback | |
3333 | * @kcontrol: mixer control | |
3334 | * @ucontrol: control element information | |
3335 | * | |
3336 | * Callback strobe a register bit to high then low (or the inverse) | |
3337 | * in one pass of a single mixer enum control. | |
3338 | * | |
3339 | * Returns 1 for success. | |
3340 | */ | |
3341 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3342 | struct snd_ctl_elem_value *ucontrol) | |
3343 | { | |
3344 | struct soc_mixer_control *mc = | |
3345 | (struct soc_mixer_control *)kcontrol->private_value; | |
3346 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3347 | unsigned int reg = mc->reg; | |
3348 | unsigned int shift = mc->shift; | |
3349 | unsigned int mask = 1 << shift; | |
3350 | unsigned int invert = mc->invert != 0; | |
3351 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3352 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3353 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3354 | int err; | |
3355 | ||
3356 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3357 | if (err < 0) | |
3358 | return err; | |
3359 | ||
3360 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3361 | return err; | |
3362 | } | |
3363 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3364 | ||
8c6529db LG |
3365 | /** |
3366 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3367 | * @dai: DAI | |
3368 | * @clk_id: DAI specific clock ID | |
3369 | * @freq: new clock frequency in Hz | |
3370 | * @dir: new clock direction - input/output. | |
3371 | * | |
3372 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3373 | */ | |
3374 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3375 | unsigned int freq, int dir) | |
3376 | { | |
f0fba2ad LG |
3377 | if (dai->driver && dai->driver->ops->set_sysclk) |
3378 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3379 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3380 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3381 | freq, dir); |
8c6529db LG |
3382 | else |
3383 | return -EINVAL; | |
3384 | } | |
3385 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3386 | ||
ec4ee52a MB |
3387 | /** |
3388 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3389 | * @codec: CODEC | |
3390 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3391 | * @source: Source for the clock |
ec4ee52a MB |
3392 | * @freq: new clock frequency in Hz |
3393 | * @dir: new clock direction - input/output. | |
3394 | * | |
3395 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3396 | */ | |
3397 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3398 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3399 | { |
3400 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3401 | return codec->driver->set_sysclk(codec, clk_id, source, |
3402 | freq, dir); | |
ec4ee52a MB |
3403 | else |
3404 | return -EINVAL; | |
3405 | } | |
3406 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3407 | ||
8c6529db LG |
3408 | /** |
3409 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3410 | * @dai: DAI | |
ac11a2b3 | 3411 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3412 | * @div: new clock divisor. |
3413 | * | |
3414 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3415 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3416 | * and frame clocks as low as possible to save system power. | |
3417 | */ | |
3418 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3419 | int div_id, int div) | |
3420 | { | |
f0fba2ad LG |
3421 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3422 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3423 | else |
3424 | return -EINVAL; | |
3425 | } | |
3426 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3427 | ||
3428 | /** | |
3429 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3430 | * @dai: DAI | |
3431 | * @pll_id: DAI specific PLL ID | |
85488037 | 3432 | * @source: DAI specific source for the PLL |
8c6529db LG |
3433 | * @freq_in: PLL input clock frequency in Hz |
3434 | * @freq_out: requested PLL output clock frequency in Hz | |
3435 | * | |
3436 | * Configures and enables PLL to generate output clock based on input clock. | |
3437 | */ | |
85488037 MB |
3438 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3439 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3440 | { |
f0fba2ad LG |
3441 | if (dai->driver && dai->driver->ops->set_pll) |
3442 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3443 | freq_in, freq_out); |
ec4ee52a MB |
3444 | else if (dai->codec && dai->codec->driver->set_pll) |
3445 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3446 | freq_in, freq_out); | |
8c6529db LG |
3447 | else |
3448 | return -EINVAL; | |
3449 | } | |
3450 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3451 | ||
ec4ee52a MB |
3452 | /* |
3453 | * snd_soc_codec_set_pll - configure codec PLL. | |
3454 | * @codec: CODEC | |
3455 | * @pll_id: DAI specific PLL ID | |
3456 | * @source: DAI specific source for the PLL | |
3457 | * @freq_in: PLL input clock frequency in Hz | |
3458 | * @freq_out: requested PLL output clock frequency in Hz | |
3459 | * | |
3460 | * Configures and enables PLL to generate output clock based on input clock. | |
3461 | */ | |
3462 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3463 | unsigned int freq_in, unsigned int freq_out) | |
3464 | { | |
3465 | if (codec->driver->set_pll) | |
3466 | return codec->driver->set_pll(codec, pll_id, source, | |
3467 | freq_in, freq_out); | |
3468 | else | |
3469 | return -EINVAL; | |
3470 | } | |
3471 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3472 | ||
8c6529db LG |
3473 | /** |
3474 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3475 | * @dai: DAI | |
8c6529db LG |
3476 | * @fmt: SND_SOC_DAIFMT_ format value. |
3477 | * | |
3478 | * Configures the DAI hardware format and clocking. | |
3479 | */ | |
3480 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3481 | { | |
5e4ba569 | 3482 | if (dai->driver == NULL) |
8c6529db | 3483 | return -EINVAL; |
5e4ba569 SG |
3484 | if (dai->driver->ops->set_fmt == NULL) |
3485 | return -ENOTSUPP; | |
3486 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3487 | } |
3488 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3489 | ||
3490 | /** | |
3491 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3492 | * @dai: DAI | |
a5479e38 DR |
3493 | * @tx_mask: bitmask representing active TX slots. |
3494 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3495 | * @slots: Number of slots in use. |
a5479e38 | 3496 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3497 | * |
3498 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3499 | * specific. | |
3500 | */ | |
3501 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3502 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3503 | { |
f0fba2ad LG |
3504 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3505 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3506 | slots, slot_width); |
8c6529db LG |
3507 | else |
3508 | return -EINVAL; | |
3509 | } | |
3510 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3511 | ||
472df3cb BS |
3512 | /** |
3513 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3514 | * @dai: DAI | |
3515 | * @tx_num: how many TX channels | |
3516 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3517 | * 0~num-1 uses | |
3518 | * @rx_num: how many RX channels | |
3519 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3520 | * 0~num-1 uses | |
3521 | * | |
3522 | * configure the relationship between channel number and TDM slot number. | |
3523 | */ | |
3524 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3525 | unsigned int tx_num, unsigned int *tx_slot, | |
3526 | unsigned int rx_num, unsigned int *rx_slot) | |
3527 | { | |
f0fba2ad LG |
3528 | if (dai->driver && dai->driver->ops->set_channel_map) |
3529 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3530 | rx_num, rx_slot); |
3531 | else | |
3532 | return -EINVAL; | |
3533 | } | |
3534 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3535 | ||
8c6529db LG |
3536 | /** |
3537 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3538 | * @dai: DAI | |
3539 | * @tristate: tristate enable | |
3540 | * | |
3541 | * Tristates the DAI so that others can use it. | |
3542 | */ | |
3543 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3544 | { | |
f0fba2ad LG |
3545 | if (dai->driver && dai->driver->ops->set_tristate) |
3546 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3547 | else |
3548 | return -EINVAL; | |
3549 | } | |
3550 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3551 | ||
3552 | /** | |
3553 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3554 | * @dai: DAI | |
3555 | * @mute: mute enable | |
da18396f | 3556 | * @direction: stream to mute |
8c6529db LG |
3557 | * |
3558 | * Mutes the DAI DAC. | |
3559 | */ | |
da18396f MB |
3560 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3561 | int direction) | |
8c6529db | 3562 | { |
da18396f MB |
3563 | if (!dai->driver) |
3564 | return -ENOTSUPP; | |
3565 | ||
3566 | if (dai->driver->ops->mute_stream) | |
3567 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3568 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3569 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3570 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3571 | else |
04570c62 | 3572 | return -ENOTSUPP; |
8c6529db LG |
3573 | } |
3574 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3575 | ||
c5af3a2e MB |
3576 | /** |
3577 | * snd_soc_register_card - Register a card with the ASoC core | |
3578 | * | |
ac11a2b3 | 3579 | * @card: Card to register |
c5af3a2e | 3580 | * |
c5af3a2e | 3581 | */ |
70a7ca34 | 3582 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3583 | { |
b19e6e7b | 3584 | int i, ret; |
f0fba2ad | 3585 | |
c5af3a2e MB |
3586 | if (!card->name || !card->dev) |
3587 | return -EINVAL; | |
3588 | ||
5a504963 SW |
3589 | for (i = 0; i < card->num_links; i++) { |
3590 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3591 | ||
3592 | /* | |
3593 | * Codec must be specified by 1 of name or OF node, | |
3594 | * not both or neither. | |
3595 | */ | |
3596 | if (!!link->codec_name == !!link->codec_of_node) { | |
f110bfc7 LG |
3597 | dev_err(card->dev, "ASoC: Neither/both codec" |
3598 | " name/of_node are set for %s\n", link->name); | |
5a504963 SW |
3599 | return -EINVAL; |
3600 | } | |
bc92657a SW |
3601 | /* Codec DAI name must be specified */ |
3602 | if (!link->codec_dai_name) { | |
f110bfc7 LG |
3603 | dev_err(card->dev, "ASoC: codec_dai_name not" |
3604 | " set for %s\n", link->name); | |
bc92657a SW |
3605 | return -EINVAL; |
3606 | } | |
5a504963 SW |
3607 | |
3608 | /* | |
3609 | * Platform may be specified by either name or OF node, but | |
3610 | * can be left unspecified, and a dummy platform will be used. | |
3611 | */ | |
3612 | if (link->platform_name && link->platform_of_node) { | |
f110bfc7 LG |
3613 | dev_err(card->dev, "ASoC: Both platform name/of_node" |
3614 | " are set for %s\n", link->name); | |
5a504963 SW |
3615 | return -EINVAL; |
3616 | } | |
3617 | ||
3618 | /* | |
bc92657a SW |
3619 | * CPU device may be specified by either name or OF node, but |
3620 | * can be left unspecified, and will be matched based on DAI | |
3621 | * name alone.. | |
3622 | */ | |
3623 | if (link->cpu_name && link->cpu_of_node) { | |
f110bfc7 LG |
3624 | dev_err(card->dev, "ASoC: Neither/both " |
3625 | "cpu name/of_node are set for %s\n",link->name); | |
bc92657a SW |
3626 | return -EINVAL; |
3627 | } | |
3628 | /* | |
3629 | * At least one of CPU DAI name or CPU device name/node must be | |
3630 | * specified | |
5a504963 | 3631 | */ |
bc92657a SW |
3632 | if (!link->cpu_dai_name && |
3633 | !(link->cpu_name || link->cpu_of_node)) { | |
f110bfc7 LG |
3634 | dev_err(card->dev, "ASoC: Neither cpu_dai_name nor " |
3635 | "cpu_name/of_node are set for %s\n", link->name); | |
5a504963 SW |
3636 | return -EINVAL; |
3637 | } | |
3638 | } | |
3639 | ||
ed77cc12 MB |
3640 | dev_set_drvdata(card->dev, card); |
3641 | ||
111c6419 SW |
3642 | snd_soc_initialize_card_lists(card); |
3643 | ||
150dd2f8 VK |
3644 | soc_init_card_debugfs(card); |
3645 | ||
181a6892 MB |
3646 | card->rtd = devm_kzalloc(card->dev, |
3647 | sizeof(struct snd_soc_pcm_runtime) * | |
3648 | (card->num_links + card->num_aux_devs), | |
3649 | GFP_KERNEL); | |
f0fba2ad LG |
3650 | if (card->rtd == NULL) |
3651 | return -ENOMEM; | |
a7dbb603 | 3652 | card->num_rtd = 0; |
2eea392d | 3653 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3654 | |
3655 | for (i = 0; i < card->num_links; i++) | |
3656 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3657 | ||
c5af3a2e | 3658 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3659 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3660 | card->instantiated = 0; |
f0fba2ad | 3661 | mutex_init(&card->mutex); |
a73fb2df | 3662 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3663 | |
b19e6e7b MB |
3664 | ret = snd_soc_instantiate_card(card); |
3665 | if (ret != 0) | |
3666 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3667 | |
b19e6e7b | 3668 | return ret; |
c5af3a2e | 3669 | } |
70a7ca34 | 3670 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3671 | |
3672 | /** | |
3673 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3674 | * | |
ac11a2b3 | 3675 | * @card: Card to unregister |
c5af3a2e | 3676 | * |
c5af3a2e | 3677 | */ |
70a7ca34 | 3678 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3679 | { |
b0e26485 VK |
3680 | if (card->instantiated) |
3681 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3682 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3683 | |
3684 | return 0; | |
3685 | } | |
70a7ca34 | 3686 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3687 | |
f0fba2ad LG |
3688 | /* |
3689 | * Simplify DAI link configuration by removing ".-1" from device names | |
3690 | * and sanitizing names. | |
3691 | */ | |
0b9a214a | 3692 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3693 | { |
3694 | char *found, name[NAME_SIZE]; | |
3695 | int id1, id2; | |
3696 | ||
3697 | if (dev_name(dev) == NULL) | |
3698 | return NULL; | |
3699 | ||
58818a77 | 3700 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3701 | |
3702 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3703 | found = strstr(name, dev->driver->name); | |
3704 | if (found) { | |
3705 | /* get ID */ | |
3706 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3707 | ||
3708 | /* discard ID from name if ID == -1 */ | |
3709 | if (*id == -1) | |
3710 | found[strlen(dev->driver->name)] = '\0'; | |
3711 | } | |
3712 | ||
3713 | } else { | |
3714 | /* I2C component devices are named "bus-addr" */ | |
3715 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3716 | char tmp[NAME_SIZE]; | |
3717 | ||
3718 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3719 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3720 | |
3721 | /* sanitize component name for DAI link creation */ | |
3722 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3723 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3724 | } else |
3725 | *id = 0; | |
3726 | } | |
3727 | ||
3728 | return kstrdup(name, GFP_KERNEL); | |
3729 | } | |
3730 | ||
3731 | /* | |
3732 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3733 | * any ".-1" and using the DAI name (instead of device name). | |
3734 | */ | |
3735 | static inline char *fmt_multiple_name(struct device *dev, | |
3736 | struct snd_soc_dai_driver *dai_drv) | |
3737 | { | |
3738 | if (dai_drv->name == NULL) { | |
f110bfc7 LG |
3739 | dev_err(dev, "ASoC: error - multiple DAI %s registered with" |
3740 | " no name\n", dev_name(dev)); | |
f0fba2ad LG |
3741 | return NULL; |
3742 | } | |
3743 | ||
3744 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3745 | } | |
3746 | ||
9115171a MB |
3747 | /** |
3748 | * snd_soc_register_dai - Register a DAI with the ASoC core | |
3749 | * | |
ac11a2b3 | 3750 | * @dai: DAI to register |
9115171a | 3751 | */ |
f53179c0 | 3752 | static int snd_soc_register_dai(struct device *dev, |
f0fba2ad | 3753 | struct snd_soc_dai_driver *dai_drv) |
9115171a | 3754 | { |
054880fe | 3755 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3756 | struct snd_soc_dai *dai; |
3757 | ||
f110bfc7 | 3758 | dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev)); |
9115171a | 3759 | |
f0fba2ad LG |
3760 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
3761 | if (dai == NULL) | |
a7393623 | 3762 | return -ENOMEM; |
9115171a | 3763 | |
f0fba2ad LG |
3764 | /* create DAI component name */ |
3765 | dai->name = fmt_single_name(dev, &dai->id); | |
3766 | if (dai->name == NULL) { | |
3767 | kfree(dai); | |
3768 | return -ENOMEM; | |
3769 | } | |
6335d055 | 3770 | |
f0fba2ad LG |
3771 | dai->dev = dev; |
3772 | dai->driver = dai_drv; | |
be09ad90 | 3773 | dai->dapm.dev = dev; |
f0fba2ad LG |
3774 | if (!dai->driver->ops) |
3775 | dai->driver->ops = &null_dai_ops; | |
9115171a MB |
3776 | |
3777 | mutex_lock(&client_mutex); | |
054880fe MB |
3778 | |
3779 | list_for_each_entry(codec, &codec_list, list) { | |
3780 | if (codec->dev == dev) { | |
f110bfc7 | 3781 | dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n", |
054880fe MB |
3782 | dai->name, codec->name); |
3783 | dai->codec = codec; | |
3784 | break; | |
3785 | } | |
3786 | } | |
3787 | ||
5f800080 PU |
3788 | if (!dai->codec) |
3789 | dai->dapm.idle_bias_off = 1; | |
3790 | ||
9115171a | 3791 | list_add(&dai->list, &dai_list); |
054880fe | 3792 | |
9115171a MB |
3793 | mutex_unlock(&client_mutex); |
3794 | ||
f110bfc7 | 3795 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3796 | |
3797 | return 0; | |
3798 | } | |
9115171a MB |
3799 | |
3800 | /** | |
3801 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core | |
3802 | * | |
ac11a2b3 | 3803 | * @dai: DAI to unregister |
9115171a | 3804 | */ |
f53179c0 | 3805 | static void snd_soc_unregister_dai(struct device *dev) |
9115171a | 3806 | { |
f0fba2ad LG |
3807 | struct snd_soc_dai *dai; |
3808 | ||
3809 | list_for_each_entry(dai, &dai_list, list) { | |
3810 | if (dev == dai->dev) | |
3811 | goto found; | |
3812 | } | |
3813 | return; | |
3814 | ||
3815 | found: | |
9115171a MB |
3816 | mutex_lock(&client_mutex); |
3817 | list_del(&dai->list); | |
3818 | mutex_unlock(&client_mutex); | |
3819 | ||
f110bfc7 | 3820 | dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name); |
f0fba2ad LG |
3821 | kfree(dai->name); |
3822 | kfree(dai); | |
9115171a | 3823 | } |
9115171a MB |
3824 | |
3825 | /** | |
3826 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core | |
3827 | * | |
ac11a2b3 MB |
3828 | * @dai: Array of DAIs to register |
3829 | * @count: Number of DAIs | |
9115171a | 3830 | */ |
f53179c0 | 3831 | static int snd_soc_register_dais(struct device *dev, |
f0fba2ad | 3832 | struct snd_soc_dai_driver *dai_drv, size_t count) |
9115171a | 3833 | { |
054880fe | 3834 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3835 | struct snd_soc_dai *dai; |
3836 | int i, ret = 0; | |
3837 | ||
f110bfc7 | 3838 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
3839 | |
3840 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
3841 | |
3842 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3843 | if (dai == NULL) { |
3844 | ret = -ENOMEM; | |
3845 | goto err; | |
3846 | } | |
f0fba2ad LG |
3847 | |
3848 | /* create DAI component name */ | |
3849 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3850 | if (dai->name == NULL) { | |
3851 | kfree(dai); | |
3852 | ret = -EINVAL; | |
9115171a | 3853 | goto err; |
f0fba2ad LG |
3854 | } |
3855 | ||
3856 | dai->dev = dev; | |
f0fba2ad | 3857 | dai->driver = &dai_drv[i]; |
0f9141c9 MB |
3858 | if (dai->driver->id) |
3859 | dai->id = dai->driver->id; | |
3860 | else | |
3861 | dai->id = i; | |
be09ad90 | 3862 | dai->dapm.dev = dev; |
f0fba2ad LG |
3863 | if (!dai->driver->ops) |
3864 | dai->driver->ops = &null_dai_ops; | |
3865 | ||
3866 | mutex_lock(&client_mutex); | |
054880fe MB |
3867 | |
3868 | list_for_each_entry(codec, &codec_list, list) { | |
3869 | if (codec->dev == dev) { | |
f110bfc7 LG |
3870 | dev_dbg(dev, "ASoC: Mapped DAI %s to " |
3871 | "CODEC %s\n", dai->name, codec->name); | |
054880fe MB |
3872 | dai->codec = codec; |
3873 | break; | |
3874 | } | |
3875 | } | |
3876 | ||
5f800080 PU |
3877 | if (!dai->codec) |
3878 | dai->dapm.idle_bias_off = 1; | |
3879 | ||
f0fba2ad | 3880 | list_add(&dai->list, &dai_list); |
054880fe | 3881 | |
f0fba2ad LG |
3882 | mutex_unlock(&client_mutex); |
3883 | ||
f110bfc7 | 3884 | dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3885 | } |
3886 | ||
3887 | return 0; | |
3888 | ||
3889 | err: | |
3890 | for (i--; i >= 0; i--) | |
f0fba2ad | 3891 | snd_soc_unregister_dai(dev); |
9115171a MB |
3892 | |
3893 | return ret; | |
3894 | } | |
9115171a MB |
3895 | |
3896 | /** | |
3897 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core | |
3898 | * | |
ac11a2b3 MB |
3899 | * @dai: Array of DAIs to unregister |
3900 | * @count: Number of DAIs | |
9115171a | 3901 | */ |
f53179c0 | 3902 | static void snd_soc_unregister_dais(struct device *dev, size_t count) |
9115171a MB |
3903 | { |
3904 | int i; | |
3905 | ||
3906 | for (i = 0; i < count; i++) | |
f0fba2ad | 3907 | snd_soc_unregister_dai(dev); |
9115171a | 3908 | } |
9115171a | 3909 | |
12a48a8c | 3910 | /** |
71a45cda LPC |
3911 | * snd_soc_add_platform - Add a platform to the ASoC core |
3912 | * @dev: The parent device for the platform | |
3913 | * @platform: The platform to add | |
3914 | * @platform_driver: The driver for the platform | |
12a48a8c | 3915 | */ |
71a45cda | 3916 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 3917 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 3918 | { |
f0fba2ad LG |
3919 | /* create platform component name */ |
3920 | platform->name = fmt_single_name(dev, &platform->id); | |
3921 | if (platform->name == NULL) { | |
3922 | kfree(platform); | |
3923 | return -ENOMEM; | |
3924 | } | |
12a48a8c | 3925 | |
f0fba2ad LG |
3926 | platform->dev = dev; |
3927 | platform->driver = platform_drv; | |
b7950641 LG |
3928 | platform->dapm.dev = dev; |
3929 | platform->dapm.platform = platform; | |
64a648c2 | 3930 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 3931 | mutex_init(&platform->mutex); |
12a48a8c MB |
3932 | |
3933 | mutex_lock(&client_mutex); | |
3934 | list_add(&platform->list, &platform_list); | |
3935 | mutex_unlock(&client_mutex); | |
3936 | ||
f110bfc7 | 3937 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
3938 | |
3939 | return 0; | |
3940 | } | |
71a45cda | 3941 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
3942 | |
3943 | /** | |
71a45cda | 3944 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 3945 | * |
71a45cda | 3946 | * @platform: platform to register |
12a48a8c | 3947 | */ |
71a45cda LPC |
3948 | int snd_soc_register_platform(struct device *dev, |
3949 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 3950 | { |
f0fba2ad | 3951 | struct snd_soc_platform *platform; |
71a45cda | 3952 | int ret; |
f0fba2ad | 3953 | |
71a45cda | 3954 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 3955 | |
71a45cda LPC |
3956 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
3957 | if (platform == NULL) | |
3958 | return -ENOMEM; | |
3959 | ||
3960 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
3961 | if (ret) | |
3962 | kfree(platform); | |
3963 | ||
3964 | return ret; | |
3965 | } | |
3966 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
3967 | ||
3968 | /** | |
3969 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
3970 | * @platform: the platform to remove | |
3971 | */ | |
3972 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
3973 | { | |
12a48a8c MB |
3974 | mutex_lock(&client_mutex); |
3975 | list_del(&platform->list); | |
3976 | mutex_unlock(&client_mutex); | |
3977 | ||
71a45cda LPC |
3978 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
3979 | platform->name); | |
f0fba2ad | 3980 | kfree(platform->name); |
71a45cda LPC |
3981 | } |
3982 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
3983 | ||
3984 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
3985 | { | |
3986 | struct snd_soc_platform *platform; | |
3987 | ||
3988 | list_for_each_entry(platform, &platform_list, list) { | |
3989 | if (dev == platform->dev) | |
3990 | return platform; | |
3991 | } | |
3992 | ||
3993 | return NULL; | |
3994 | } | |
3995 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
3996 | ||
3997 | /** | |
3998 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
3999 | * | |
4000 | * @platform: platform to unregister | |
4001 | */ | |
4002 | void snd_soc_unregister_platform(struct device *dev) | |
4003 | { | |
4004 | struct snd_soc_platform *platform; | |
4005 | ||
4006 | platform = snd_soc_lookup_platform(dev); | |
4007 | if (!platform) | |
4008 | return; | |
4009 | ||
4010 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4011 | kfree(platform); |
12a48a8c MB |
4012 | } |
4013 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4014 | ||
151ab22c MB |
4015 | static u64 codec_format_map[] = { |
4016 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4017 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4018 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4019 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4020 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4021 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4022 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4023 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4024 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4025 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4026 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4027 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4028 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4029 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4030 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4031 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4032 | }; | |
4033 | ||
4034 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4035 | * the endianness of the data but we're using the CPU format | |
4036 | * definitions which do need to include endianness so we ensure that | |
4037 | * codec DAIs always have both big and little endian variants set. | |
4038 | */ | |
4039 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4040 | { | |
4041 | int i; | |
4042 | ||
4043 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4044 | if (stream->formats & codec_format_map[i]) | |
4045 | stream->formats |= codec_format_map[i]; | |
4046 | } | |
4047 | ||
0d0cf00a MB |
4048 | /** |
4049 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4050 | * | |
ac11a2b3 | 4051 | * @codec: codec to register |
0d0cf00a | 4052 | */ |
f0fba2ad | 4053 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4054 | const struct snd_soc_codec_driver *codec_drv, |
4055 | struct snd_soc_dai_driver *dai_drv, | |
4056 | int num_dai) | |
0d0cf00a | 4057 | { |
3335ddca | 4058 | size_t reg_size; |
f0fba2ad LG |
4059 | struct snd_soc_codec *codec; |
4060 | int ret, i; | |
151ab22c | 4061 | |
f0fba2ad LG |
4062 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4063 | ||
4064 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4065 | if (codec == NULL) | |
4066 | return -ENOMEM; | |
0d0cf00a | 4067 | |
f0fba2ad LG |
4068 | /* create CODEC component name */ |
4069 | codec->name = fmt_single_name(dev, &codec->id); | |
4070 | if (codec->name == NULL) { | |
f790b94d KM |
4071 | ret = -ENOMEM; |
4072 | goto fail_codec; | |
f0fba2ad LG |
4073 | } |
4074 | ||
23bbce34 DP |
4075 | if (codec_drv->compress_type) |
4076 | codec->compress_type = codec_drv->compress_type; | |
4077 | else | |
4078 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; | |
4079 | ||
c3acec26 MB |
4080 | codec->write = codec_drv->write; |
4081 | codec->read = codec_drv->read; | |
1500b7b5 DP |
4082 | codec->volatile_register = codec_drv->volatile_register; |
4083 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 4084 | codec->writable_register = codec_drv->writable_register; |
5124e69e | 4085 | codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4086 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4087 | codec->dapm.dev = dev; | |
4088 | codec->dapm.codec = codec; | |
474b62d6 | 4089 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4090 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4091 | codec->dev = dev; |
4092 | codec->driver = codec_drv; | |
4093 | codec->num_dai = num_dai; | |
4094 | mutex_init(&codec->mutex); | |
ce6120cc | 4095 | |
f0fba2ad LG |
4096 | /* allocate CODEC register cache */ |
4097 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { | |
3335ddca | 4098 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
aea170a0 | 4099 | codec->reg_size = reg_size; |
3335ddca DP |
4100 | /* it is necessary to make a copy of the default register cache |
4101 | * because in the case of using a compression type that requires | |
f6e65744 | 4102 | * the default register cache to be marked as the |
3335ddca DP |
4103 | * kernel might have freed the array by the time we initialize |
4104 | * the cache. | |
4105 | */ | |
2aa86323 DP |
4106 | if (codec_drv->reg_cache_default) { |
4107 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, | |
4108 | reg_size, GFP_KERNEL); | |
4109 | if (!codec->reg_def_copy) { | |
4110 | ret = -ENOMEM; | |
f790b94d | 4111 | goto fail_codec_name; |
2aa86323 | 4112 | } |
f0fba2ad | 4113 | } |
151ab22c MB |
4114 | } |
4115 | ||
1500b7b5 DP |
4116 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
4117 | if (!codec->volatile_register) | |
4118 | codec->volatile_register = snd_soc_default_volatile_register; | |
4119 | if (!codec->readable_register) | |
4120 | codec->readable_register = snd_soc_default_readable_register; | |
8020454c DP |
4121 | if (!codec->writable_register) |
4122 | codec->writable_register = snd_soc_default_writable_register; | |
1500b7b5 DP |
4123 | } |
4124 | ||
f0fba2ad LG |
4125 | for (i = 0; i < num_dai; i++) { |
4126 | fixup_codec_formats(&dai_drv[i].playback); | |
4127 | fixup_codec_formats(&dai_drv[i].capture); | |
4128 | } | |
4129 | ||
054880fe MB |
4130 | mutex_lock(&client_mutex); |
4131 | list_add(&codec->list, &codec_list); | |
4132 | mutex_unlock(&client_mutex); | |
4133 | ||
26b01ccd | 4134 | /* register any DAIs */ |
5acd7dfb KM |
4135 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); |
4136 | if (ret < 0) { | |
4137 | dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4138 | goto fail_codec_name; | |
26b01ccd | 4139 | } |
f0fba2ad | 4140 | |
f110bfc7 | 4141 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4142 | return 0; |
f0fba2ad | 4143 | |
f790b94d | 4144 | fail_codec_name: |
e1328a83 KM |
4145 | mutex_lock(&client_mutex); |
4146 | list_del(&codec->list); | |
4147 | mutex_unlock(&client_mutex); | |
4148 | ||
f0fba2ad | 4149 | kfree(codec->name); |
f790b94d | 4150 | fail_codec: |
f0fba2ad LG |
4151 | kfree(codec); |
4152 | return ret; | |
0d0cf00a MB |
4153 | } |
4154 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4155 | ||
4156 | /** | |
4157 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4158 | * | |
ac11a2b3 | 4159 | * @codec: codec to unregister |
0d0cf00a | 4160 | */ |
f0fba2ad | 4161 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4162 | { |
f0fba2ad | 4163 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4164 | |
4165 | list_for_each_entry(codec, &codec_list, list) { | |
4166 | if (dev == codec->dev) | |
4167 | goto found; | |
4168 | } | |
4169 | return; | |
4170 | ||
4171 | found: | |
5acd7dfb | 4172 | snd_soc_unregister_dais(dev, codec->num_dai); |
f0fba2ad | 4173 | |
0d0cf00a MB |
4174 | mutex_lock(&client_mutex); |
4175 | list_del(&codec->list); | |
4176 | mutex_unlock(&client_mutex); | |
4177 | ||
f110bfc7 | 4178 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4179 | |
7a30a3db | 4180 | snd_soc_cache_exit(codec); |
3335ddca | 4181 | kfree(codec->reg_def_copy); |
1aafcd4d | 4182 | kfree(codec->name); |
f0fba2ad | 4183 | kfree(codec); |
0d0cf00a MB |
4184 | } |
4185 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4186 | ||
030e79f6 KM |
4187 | |
4188 | /** | |
4189 | * snd_soc_register_component - Register a component with the ASoC core | |
4190 | * | |
4191 | */ | |
4192 | int snd_soc_register_component(struct device *dev, | |
4193 | const struct snd_soc_component_driver *cmpnt_drv, | |
4194 | struct snd_soc_dai_driver *dai_drv, | |
4195 | int num_dai) | |
4196 | { | |
4197 | struct snd_soc_component *cmpnt; | |
4198 | int ret; | |
4199 | ||
4200 | dev_dbg(dev, "component register %s\n", dev_name(dev)); | |
4201 | ||
4202 | cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); | |
4203 | if (!cmpnt) { | |
4204 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4205 | return -ENOMEM; | |
4206 | } | |
4207 | ||
4208 | cmpnt->name = fmt_single_name(dev, &cmpnt->id); | |
4209 | if (!cmpnt->name) { | |
4210 | dev_err(dev, "ASoC: Failed to simplifying name\n"); | |
4211 | return -ENOMEM; | |
4212 | } | |
4213 | ||
4214 | cmpnt->dev = dev; | |
4215 | cmpnt->driver = cmpnt_drv; | |
4216 | cmpnt->num_dai = num_dai; | |
4217 | ||
a1422b8c KM |
4218 | /* |
4219 | * snd_soc_register_dai() uses fmt_single_name(), and | |
4220 | * snd_soc_register_dais() uses fmt_multiple_name() | |
4221 | * for dai->name which is used for name based matching | |
4222 | */ | |
4223 | if (1 == num_dai) | |
4224 | ret = snd_soc_register_dai(dev, dai_drv); | |
4225 | else | |
4226 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); | |
030e79f6 KM |
4227 | if (ret < 0) { |
4228 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4229 | goto error_component_name; | |
4230 | } | |
4231 | ||
4232 | mutex_lock(&client_mutex); | |
4233 | list_add(&cmpnt->list, &component_list); | |
4234 | mutex_unlock(&client_mutex); | |
4235 | ||
4236 | dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); | |
4237 | ||
4238 | return ret; | |
4239 | ||
4240 | error_component_name: | |
4241 | kfree(cmpnt->name); | |
4242 | ||
4243 | return ret; | |
4244 | } | |
2e1cc199 | 4245 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
030e79f6 KM |
4246 | |
4247 | /** | |
4248 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4249 | * | |
4250 | */ | |
4251 | void snd_soc_unregister_component(struct device *dev) | |
4252 | { | |
4253 | struct snd_soc_component *cmpnt; | |
4254 | ||
4255 | list_for_each_entry(cmpnt, &component_list, list) { | |
4256 | if (dev == cmpnt->dev) | |
4257 | goto found; | |
4258 | } | |
4259 | return; | |
4260 | ||
4261 | found: | |
4262 | snd_soc_unregister_dais(dev, cmpnt->num_dai); | |
4263 | ||
4264 | mutex_lock(&client_mutex); | |
4265 | list_del(&cmpnt->list); | |
4266 | mutex_unlock(&client_mutex); | |
4267 | ||
4268 | dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); | |
4269 | kfree(cmpnt->name); | |
4270 | } | |
2e1cc199 | 4271 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); |
030e79f6 | 4272 | |
bec4fa05 SW |
4273 | /* Retrieve a card's name from device tree */ |
4274 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4275 | const char *propname) | |
4276 | { | |
4277 | struct device_node *np = card->dev->of_node; | |
4278 | int ret; | |
4279 | ||
4280 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4281 | /* | |
4282 | * EINVAL means the property does not exist. This is fine providing | |
4283 | * card->name was previously set, which is checked later in | |
4284 | * snd_soc_register_card. | |
4285 | */ | |
4286 | if (ret < 0 && ret != -EINVAL) { | |
4287 | dev_err(card->dev, | |
f110bfc7 | 4288 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4289 | propname, ret); |
4290 | return ret; | |
4291 | } | |
4292 | ||
4293 | return 0; | |
4294 | } | |
4295 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4296 | ||
a4a54dd5 SW |
4297 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4298 | const char *propname) | |
4299 | { | |
4300 | struct device_node *np = card->dev->of_node; | |
4301 | int num_routes; | |
4302 | struct snd_soc_dapm_route *routes; | |
4303 | int i, ret; | |
4304 | ||
4305 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4306 | if (num_routes < 0 || num_routes & 1) { |
f110bfc7 LG |
4307 | dev_err(card->dev, "ASoC: Property '%s' does not exist or its" |
4308 | " length is not even\n", propname); | |
a4a54dd5 SW |
4309 | return -EINVAL; |
4310 | } | |
4311 | num_routes /= 2; | |
4312 | if (!num_routes) { | |
f110bfc7 | 4313 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4314 | propname); |
4315 | return -EINVAL; | |
4316 | } | |
4317 | ||
4318 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4319 | GFP_KERNEL); | |
4320 | if (!routes) { | |
4321 | dev_err(card->dev, | |
f110bfc7 | 4322 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4323 | return -EINVAL; |
4324 | } | |
4325 | ||
4326 | for (i = 0; i < num_routes; i++) { | |
4327 | ret = of_property_read_string_index(np, propname, | |
4328 | 2 * i, &routes[i].sink); | |
4329 | if (ret) { | |
c871bd0b MB |
4330 | dev_err(card->dev, |
4331 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4332 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4333 | return -EINVAL; |
4334 | } | |
4335 | ret = of_property_read_string_index(np, propname, | |
4336 | (2 * i) + 1, &routes[i].source); | |
4337 | if (ret) { | |
4338 | dev_err(card->dev, | |
c871bd0b MB |
4339 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4340 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4341 | return -EINVAL; |
4342 | } | |
4343 | } | |
4344 | ||
4345 | card->num_dapm_routes = num_routes; | |
4346 | card->dapm_routes = routes; | |
4347 | ||
4348 | return 0; | |
4349 | } | |
4350 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4351 | ||
a7930ed4 KM |
4352 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
4353 | const char *prefix) | |
4354 | { | |
4355 | int ret, i; | |
4356 | char prop[128]; | |
4357 | unsigned int format = 0; | |
4358 | int bit, frame; | |
4359 | const char *str; | |
4360 | struct { | |
4361 | char *name; | |
4362 | unsigned int val; | |
4363 | } of_fmt_table[] = { | |
4364 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4365 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4366 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4367 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4368 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4369 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4370 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4371 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4372 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4373 | }; |
4374 | ||
4375 | if (!prefix) | |
4376 | prefix = ""; | |
4377 | ||
4378 | /* | |
4379 | * check "[prefix]format = xxx" | |
4380 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4381 | */ | |
4382 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4383 | ret = of_property_read_string(np, prop, &str); | |
4384 | if (ret == 0) { | |
4385 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4386 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4387 | format |= of_fmt_table[i].val; | |
4388 | break; | |
4389 | } | |
4390 | } | |
4391 | } | |
4392 | ||
4393 | /* | |
8c2d6a9f | 4394 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4395 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4396 | */ | |
8c2d6a9f KM |
4397 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4398 | if (of_get_property(np, prop, NULL)) | |
4399 | format |= SND_SOC_DAIFMT_CONT; | |
4400 | else | |
4401 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4402 | |
4403 | /* | |
4404 | * check "[prefix]bitclock-inversion" | |
4405 | * check "[prefix]frame-inversion" | |
4406 | * SND_SOC_DAIFMT_INV_MASK area | |
4407 | */ | |
4408 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4409 | bit = !!of_get_property(np, prop, NULL); | |
4410 | ||
4411 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4412 | frame = !!of_get_property(np, prop, NULL); | |
4413 | ||
4414 | switch ((bit << 4) + frame) { | |
4415 | case 0x11: | |
4416 | format |= SND_SOC_DAIFMT_IB_IF; | |
4417 | break; | |
4418 | case 0x10: | |
4419 | format |= SND_SOC_DAIFMT_IB_NF; | |
4420 | break; | |
4421 | case 0x01: | |
4422 | format |= SND_SOC_DAIFMT_NB_IF; | |
4423 | break; | |
4424 | default: | |
4425 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4426 | break; | |
4427 | } | |
4428 | ||
4429 | /* | |
4430 | * check "[prefix]bitclock-master" | |
4431 | * check "[prefix]frame-master" | |
4432 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4433 | */ | |
4434 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4435 | bit = !!of_get_property(np, prop, NULL); | |
4436 | ||
4437 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4438 | frame = !!of_get_property(np, prop, NULL); | |
4439 | ||
4440 | switch ((bit << 4) + frame) { | |
4441 | case 0x11: | |
4442 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4443 | break; | |
4444 | case 0x10: | |
4445 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4446 | break; | |
4447 | case 0x01: | |
4448 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4449 | break; | |
4450 | default: | |
4451 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4452 | break; | |
4453 | } | |
4454 | ||
4455 | return format; | |
4456 | } | |
4457 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4458 | ||
c9b3a40f | 4459 | static int __init snd_soc_init(void) |
db2a4165 | 4460 | { |
384c89e2 | 4461 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4462 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4463 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4464 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4465 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4466 | } |
c3c5a19a | 4467 | |
8a9dab1a | 4468 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4469 | &codec_list_fops)) |
4470 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4471 | ||
8a9dab1a | 4472 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4473 | &dai_list_fops)) |
4474 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4475 | |
8a9dab1a | 4476 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4477 | &platform_list_fops)) |
4478 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4479 | #endif |
4480 | ||
fb257897 MB |
4481 | snd_soc_util_init(); |
4482 | ||
db2a4165 FM |
4483 | return platform_driver_register(&soc_driver); |
4484 | } | |
4abe8e16 | 4485 | module_init(snd_soc_init); |
db2a4165 | 4486 | |
7d8c16a6 | 4487 | static void __exit snd_soc_exit(void) |
db2a4165 | 4488 | { |
fb257897 MB |
4489 | snd_soc_util_exit(); |
4490 | ||
384c89e2 | 4491 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4492 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4493 | #endif |
3ff3f64b | 4494 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4495 | } |
db2a4165 FM |
4496 | module_exit(snd_soc_exit); |
4497 | ||
4498 | /* Module information */ | |
d331124d | 4499 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4500 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4501 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4502 | MODULE_ALIAS("platform:soc-audio"); |