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); |
c5af3a2e | 61 | |
db2a4165 FM |
62 | /* |
63 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
64 | * It can be used to eliminate pops between different playback streams, e.g. | |
65 | * between two audio tracks. | |
66 | */ | |
67 | static int pmdown_time = 5000; | |
68 | module_param(pmdown_time, int, 0); | |
69 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
70 | ||
2bc9a81e DP |
71 | /* returns the minimum number of bytes needed to represent |
72 | * a particular given value */ | |
73 | static int min_bytes_needed(unsigned long val) | |
74 | { | |
75 | int c = 0; | |
76 | int i; | |
77 | ||
78 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
79 | if (val & (1UL << i)) | |
80 | break; | |
81 | c = (sizeof val * 8) - c; | |
82 | if (!c || (c % 8)) | |
83 | c = (c + 8) / 8; | |
84 | else | |
85 | c /= 8; | |
86 | return c; | |
87 | } | |
88 | ||
13fd179f DP |
89 | /* fill buf which is 'len' bytes with a formatted |
90 | * string of the form 'reg: value\n' */ | |
91 | static int format_register_str(struct snd_soc_codec *codec, | |
92 | unsigned int reg, char *buf, size_t len) | |
93 | { | |
00b317a4 SW |
94 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
95 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
96 | int ret; |
97 | char tmpbuf[len + 1]; | |
98 | char regbuf[regsize + 1]; | |
99 | ||
100 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
101 | * try to abuse this function */ | |
102 | WARN_ON(len > 63); | |
103 | ||
104 | /* +2 for ': ' and + 1 for '\n' */ | |
105 | if (wordsize + regsize + 2 + 1 != len) | |
106 | return -EINVAL; | |
107 | ||
25032c11 | 108 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
109 | if (ret < 0) { |
110 | memset(regbuf, 'X', regsize); | |
111 | regbuf[regsize] = '\0'; | |
112 | } else { | |
113 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
114 | } | |
115 | ||
116 | /* prepare the buffer */ | |
117 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
118 | /* copy it back to the caller without the '\0' */ | |
119 | memcpy(buf, tmpbuf, len); | |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
2624d5fa | 124 | /* codec register dump */ |
13fd179f DP |
125 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
126 | size_t count, loff_t pos) | |
2624d5fa | 127 | { |
13fd179f | 128 | int i, step = 1; |
2bc9a81e | 129 | int wordsize, regsize; |
13fd179f DP |
130 | int len; |
131 | size_t total = 0; | |
132 | loff_t p = 0; | |
2bc9a81e | 133 | |
00b317a4 SW |
134 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
135 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 136 | |
13fd179f DP |
137 | len = wordsize + regsize + 2 + 1; |
138 | ||
f0fba2ad | 139 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
140 | return 0; |
141 | ||
f0fba2ad LG |
142 | if (codec->driver->reg_cache_step) |
143 | step = codec->driver->reg_cache_step; | |
2624d5fa | 144 | |
f0fba2ad | 145 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
b92d150b | 146 | if (!snd_soc_codec_readable_register(codec, i)) |
2624d5fa | 147 | continue; |
f0fba2ad LG |
148 | if (codec->driver->display_register) { |
149 | count += codec->driver->display_register(codec, buf + count, | |
2624d5fa | 150 | PAGE_SIZE - count, i); |
5164d74d | 151 | } else { |
13fd179f DP |
152 | /* only support larger than PAGE_SIZE bytes debugfs |
153 | * entries for the default case */ | |
154 | if (p >= pos) { | |
155 | if (total + len >= count - 1) | |
156 | break; | |
157 | format_register_str(codec, i, buf + total, len); | |
158 | total += len; | |
159 | } | |
160 | p += len; | |
5164d74d | 161 | } |
2624d5fa MB |
162 | } |
163 | ||
13fd179f | 164 | total = min(total, count - 1); |
2624d5fa | 165 | |
13fd179f | 166 | return total; |
2624d5fa | 167 | } |
13fd179f | 168 | |
2624d5fa MB |
169 | static ssize_t codec_reg_show(struct device *dev, |
170 | struct device_attribute *attr, char *buf) | |
171 | { | |
36ae1a96 | 172 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 173 | |
13fd179f | 174 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
175 | } |
176 | ||
177 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
178 | ||
dbe21408 MB |
179 | static ssize_t pmdown_time_show(struct device *dev, |
180 | struct device_attribute *attr, char *buf) | |
181 | { | |
36ae1a96 | 182 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 183 | |
f0fba2ad | 184 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
185 | } |
186 | ||
187 | static ssize_t pmdown_time_set(struct device *dev, | |
188 | struct device_attribute *attr, | |
189 | const char *buf, size_t count) | |
190 | { | |
36ae1a96 | 191 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 192 | int ret; |
dbe21408 | 193 | |
c593b520 MB |
194 | ret = strict_strtol(buf, 10, &rtd->pmdown_time); |
195 | if (ret) | |
196 | return ret; | |
dbe21408 MB |
197 | |
198 | return count; | |
199 | } | |
200 | ||
201 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
202 | ||
2624d5fa | 203 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 204 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 205 | size_t count, loff_t *ppos) |
2624d5fa MB |
206 | { |
207 | ssize_t ret; | |
208 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
209 | char *buf; |
210 | ||
211 | if (*ppos < 0 || !count) | |
212 | return -EINVAL; | |
213 | ||
214 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
215 | if (!buf) |
216 | return -ENOMEM; | |
13fd179f DP |
217 | |
218 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
219 | if (ret >= 0) { | |
220 | if (copy_to_user(user_buf, buf, ret)) { | |
221 | kfree(buf); | |
222 | return -EFAULT; | |
223 | } | |
224 | *ppos += ret; | |
225 | } | |
226 | ||
2624d5fa MB |
227 | kfree(buf); |
228 | return ret; | |
229 | } | |
230 | ||
231 | static ssize_t codec_reg_write_file(struct file *file, | |
232 | const char __user *user_buf, size_t count, loff_t *ppos) | |
233 | { | |
234 | char buf[32]; | |
34e268d8 | 235 | size_t buf_size; |
2624d5fa MB |
236 | char *start = buf; |
237 | unsigned long reg, value; | |
2624d5fa MB |
238 | struct snd_soc_codec *codec = file->private_data; |
239 | ||
240 | buf_size = min(count, (sizeof(buf)-1)); | |
241 | if (copy_from_user(buf, user_buf, buf_size)) | |
242 | return -EFAULT; | |
243 | buf[buf_size] = 0; | |
2624d5fa MB |
244 | |
245 | while (*start == ' ') | |
246 | start++; | |
247 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
248 | while (*start == ' ') |
249 | start++; | |
250 | if (strict_strtoul(start, 16, &value)) | |
251 | return -EINVAL; | |
0d51a9cb MB |
252 | |
253 | /* Userspace has been fiddling around behind the kernel's back */ | |
254 | add_taint(TAINT_USER); | |
255 | ||
e4f078d8 | 256 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
257 | return buf_size; |
258 | } | |
259 | ||
260 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 261 | .open = simple_open, |
2624d5fa MB |
262 | .read = codec_reg_read_file, |
263 | .write = codec_reg_write_file, | |
6038f373 | 264 | .llseek = default_llseek, |
2624d5fa MB |
265 | }; |
266 | ||
267 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
268 | { | |
d6ce4cf3 JN |
269 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
270 | ||
271 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, | |
272 | debugfs_card_root); | |
2624d5fa | 273 | if (!codec->debugfs_codec_root) { |
f110bfc7 LG |
274 | dev_warn(codec->dev, "ASoC: Failed to create codec debugfs" |
275 | " directory\n"); | |
2624d5fa MB |
276 | return; |
277 | } | |
278 | ||
aaee8ef1 MB |
279 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
280 | &codec->cache_sync); | |
281 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
282 | &codec->cache_only); | |
283 | ||
2624d5fa MB |
284 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
285 | codec->debugfs_codec_root, | |
286 | codec, &codec_reg_fops); | |
287 | if (!codec->debugfs_reg) | |
f110bfc7 LG |
288 | dev_warn(codec->dev, "ASoC: Failed to create codec register" |
289 | " debugfs file\n"); | |
2624d5fa | 290 | |
8eecaf62 | 291 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
292 | } |
293 | ||
294 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
295 | { | |
296 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
297 | } | |
298 | ||
731f1ab2 SG |
299 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
300 | { | |
301 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
302 | ||
303 | platform->debugfs_platform_root = debugfs_create_dir(platform->name, | |
304 | debugfs_card_root); | |
305 | if (!platform->debugfs_platform_root) { | |
306 | dev_warn(platform->dev, | |
f110bfc7 | 307 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
308 | return; |
309 | } | |
310 | ||
311 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
312 | platform->debugfs_platform_root); | |
313 | } | |
314 | ||
315 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
316 | { | |
317 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
318 | } | |
319 | ||
c3c5a19a MB |
320 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
321 | size_t count, loff_t *ppos) | |
322 | { | |
323 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 324 | ssize_t len, ret = 0; |
c3c5a19a MB |
325 | struct snd_soc_codec *codec; |
326 | ||
327 | if (!buf) | |
328 | return -ENOMEM; | |
329 | ||
2b194f9d MB |
330 | list_for_each_entry(codec, &codec_list, list) { |
331 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
332 | codec->name); | |
333 | if (len >= 0) | |
334 | ret += len; | |
335 | if (ret > PAGE_SIZE) { | |
336 | ret = PAGE_SIZE; | |
337 | break; | |
338 | } | |
339 | } | |
c3c5a19a MB |
340 | |
341 | if (ret >= 0) | |
342 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
343 | ||
344 | kfree(buf); | |
345 | ||
346 | return ret; | |
347 | } | |
348 | ||
349 | static const struct file_operations codec_list_fops = { | |
350 | .read = codec_list_read_file, | |
351 | .llseek = default_llseek,/* read accesses f_pos */ | |
352 | }; | |
353 | ||
f3208780 MB |
354 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
355 | size_t count, loff_t *ppos) | |
356 | { | |
357 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 358 | ssize_t len, ret = 0; |
f3208780 MB |
359 | struct snd_soc_dai *dai; |
360 | ||
361 | if (!buf) | |
362 | return -ENOMEM; | |
363 | ||
2b194f9d MB |
364 | list_for_each_entry(dai, &dai_list, list) { |
365 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); | |
366 | if (len >= 0) | |
367 | ret += len; | |
368 | if (ret > PAGE_SIZE) { | |
369 | ret = PAGE_SIZE; | |
370 | break; | |
371 | } | |
372 | } | |
f3208780 | 373 | |
2b194f9d | 374 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
375 | |
376 | kfree(buf); | |
377 | ||
378 | return ret; | |
379 | } | |
380 | ||
381 | static const struct file_operations dai_list_fops = { | |
382 | .read = dai_list_read_file, | |
383 | .llseek = default_llseek,/* read accesses f_pos */ | |
384 | }; | |
385 | ||
19c7ac27 MB |
386 | static ssize_t platform_list_read_file(struct file *file, |
387 | char __user *user_buf, | |
388 | size_t count, loff_t *ppos) | |
389 | { | |
390 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 391 | ssize_t len, ret = 0; |
19c7ac27 MB |
392 | struct snd_soc_platform *platform; |
393 | ||
394 | if (!buf) | |
395 | return -ENOMEM; | |
396 | ||
2b194f9d MB |
397 | list_for_each_entry(platform, &platform_list, list) { |
398 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
399 | platform->name); | |
400 | if (len >= 0) | |
401 | ret += len; | |
402 | if (ret > PAGE_SIZE) { | |
403 | ret = PAGE_SIZE; | |
404 | break; | |
405 | } | |
406 | } | |
19c7ac27 | 407 | |
2b194f9d | 408 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
409 | |
410 | kfree(buf); | |
411 | ||
412 | return ret; | |
413 | } | |
414 | ||
415 | static const struct file_operations platform_list_fops = { | |
416 | .read = platform_list_read_file, | |
417 | .llseek = default_llseek,/* read accesses f_pos */ | |
418 | }; | |
419 | ||
a6052154 JN |
420 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
421 | { | |
422 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 423 | snd_soc_debugfs_root); |
3a45b867 | 424 | if (!card->debugfs_card_root) { |
a6052154 | 425 | dev_warn(card->dev, |
7c08be84 | 426 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
427 | return; |
428 | } | |
429 | ||
430 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
431 | card->debugfs_card_root, | |
432 | &card->pop_time); | |
433 | if (!card->debugfs_pop_time) | |
434 | dev_warn(card->dev, | |
f110bfc7 | 435 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
436 | } |
437 | ||
438 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
439 | { | |
440 | debugfs_remove_recursive(card->debugfs_card_root); | |
441 | } | |
442 | ||
2624d5fa MB |
443 | #else |
444 | ||
445 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
446 | { | |
447 | } | |
448 | ||
449 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
450 | { | |
451 | } | |
b95fccbc | 452 | |
731f1ab2 SG |
453 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
454 | { | |
455 | } | |
456 | ||
457 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
458 | { | |
459 | } | |
460 | ||
b95fccbc AL |
461 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
462 | { | |
463 | } | |
464 | ||
465 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
466 | { | |
467 | } | |
2624d5fa MB |
468 | #endif |
469 | ||
47c88fff LG |
470 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
471 | const char *dai_link, int stream) | |
472 | { | |
473 | int i; | |
474 | ||
475 | for (i = 0; i < card->num_links; i++) { | |
476 | if (card->rtd[i].dai_link->no_pcm && | |
477 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
478 | return card->rtd[i].pcm->streams[stream].substream; | |
479 | } | |
f110bfc7 | 480 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
481 | return NULL; |
482 | } | |
483 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
484 | ||
485 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
486 | const char *dai_link) | |
487 | { | |
488 | int i; | |
489 | ||
490 | for (i = 0; i < card->num_links; i++) { | |
491 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
492 | return &card->rtd[i]; | |
493 | } | |
f110bfc7 | 494 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
495 | return NULL; |
496 | } | |
497 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
498 | ||
db2a4165 FM |
499 | #ifdef CONFIG_SND_SOC_AC97_BUS |
500 | /* unregister ac97 codec */ | |
501 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
502 | { | |
503 | if (codec->ac97->dev.bus) | |
504 | device_unregister(&codec->ac97->dev); | |
505 | return 0; | |
506 | } | |
507 | ||
508 | /* stop no dev release warning */ | |
509 | static void soc_ac97_device_release(struct device *dev){} | |
510 | ||
511 | /* register ac97 codec to bus */ | |
512 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
513 | { | |
514 | int err; | |
515 | ||
516 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 517 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
518 | codec->ac97->dev.release = soc_ac97_device_release; |
519 | ||
bb072bf0 | 520 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f0fba2ad | 521 | codec->card->snd_card->number, 0, codec->name); |
db2a4165 FM |
522 | err = device_register(&codec->ac97->dev); |
523 | if (err < 0) { | |
f110bfc7 | 524 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
525 | codec->ac97->dev.bus = NULL; |
526 | return err; | |
527 | } | |
528 | return 0; | |
529 | } | |
530 | #endif | |
531 | ||
6f8ab4ac | 532 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 533 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 534 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 535 | { |
6f8ab4ac | 536 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 537 | struct snd_soc_codec *codec; |
db2a4165 FM |
538 | int i; |
539 | ||
e3509ff0 DM |
540 | /* If the initialization of this soc device failed, there is no codec |
541 | * associated with it. Just bail out in this case. | |
542 | */ | |
f0fba2ad | 543 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
544 | return 0; |
545 | ||
6ed25978 AG |
546 | /* Due to the resume being scheduled into a workqueue we could |
547 | * suspend before that's finished - wait for it to complete. | |
548 | */ | |
f0fba2ad LG |
549 | snd_power_lock(card->snd_card); |
550 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
551 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
552 | |
553 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 554 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 555 | |
a00f90f9 | 556 | /* mute any active DACs */ |
f0fba2ad LG |
557 | for (i = 0; i < card->num_rtd; i++) { |
558 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
559 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 560 | |
f0fba2ad | 561 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
562 | continue; |
563 | ||
f0fba2ad LG |
564 | if (drv->ops->digital_mute && dai->playback_active) |
565 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
566 | } |
567 | ||
4ccab3e7 | 568 | /* suspend all pcms */ |
f0fba2ad LG |
569 | for (i = 0; i < card->num_rtd; i++) { |
570 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
571 | continue; |
572 | ||
f0fba2ad | 573 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 574 | } |
4ccab3e7 | 575 | |
87506549 | 576 | if (card->suspend_pre) |
70b2ac12 | 577 | card->suspend_pre(card); |
db2a4165 | 578 | |
f0fba2ad LG |
579 | for (i = 0; i < card->num_rtd; i++) { |
580 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
581 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 582 | |
f0fba2ad | 583 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
584 | continue; |
585 | ||
f0fba2ad LG |
586 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
587 | cpu_dai->driver->suspend(cpu_dai); | |
588 | if (platform->driver->suspend && !platform->suspended) { | |
589 | platform->driver->suspend(cpu_dai); | |
590 | platform->suspended = 1; | |
591 | } | |
db2a4165 FM |
592 | } |
593 | ||
594 | /* close any waiting streams and save state */ | |
f0fba2ad | 595 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 596 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 597 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 598 | } |
db2a4165 | 599 | |
f0fba2ad | 600 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 601 | |
f0fba2ad | 602 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
603 | continue; |
604 | ||
7bd3a6f3 MB |
605 | snd_soc_dapm_stream_event(&card->rtd[i], |
606 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 607 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 608 | |
7bd3a6f3 MB |
609 | snd_soc_dapm_stream_event(&card->rtd[i], |
610 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 611 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
612 | } |
613 | ||
e2d32ff6 MB |
614 | /* Recheck all analogue paths too */ |
615 | dapm_mark_io_dirty(&card->dapm); | |
616 | snd_soc_dapm_sync(&card->dapm); | |
617 | ||
f0fba2ad | 618 | /* suspend all CODECs */ |
2eea392d | 619 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
620 | /* If there are paths active then the CODEC will be held with |
621 | * bias _ON and should not be suspended. */ | |
622 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 623 | switch (codec->dapm.bias_level) { |
f0fba2ad | 624 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
625 | /* |
626 | * If the CODEC is capable of idle | |
627 | * bias off then being in STANDBY | |
628 | * means it's doing something, | |
629 | * otherwise fall through. | |
630 | */ | |
631 | if (codec->dapm.idle_bias_off) { | |
632 | dev_dbg(codec->dev, | |
f110bfc7 LG |
633 | "ASoC: idle_bias_off CODEC on" |
634 | " over suspend\n"); | |
125a25da MB |
635 | break; |
636 | } | |
f0fba2ad | 637 | case SND_SOC_BIAS_OFF: |
84b315ee | 638 | codec->driver->suspend(codec); |
f0fba2ad | 639 | codec->suspended = 1; |
7be4ba24 | 640 | codec->cache_sync = 1; |
da8b8e0f MB |
641 | if (codec->using_regmap) |
642 | regcache_mark_dirty(codec->control_data); | |
f0fba2ad LG |
643 | break; |
644 | default: | |
f110bfc7 LG |
645 | dev_dbg(codec->dev, "ASoC: CODEC is on" |
646 | " over suspend\n"); | |
f0fba2ad LG |
647 | break; |
648 | } | |
1547aba9 MB |
649 | } |
650 | } | |
db2a4165 | 651 | |
f0fba2ad LG |
652 | for (i = 0; i < card->num_rtd; i++) { |
653 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 654 | |
f0fba2ad | 655 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
656 | continue; |
657 | ||
f0fba2ad LG |
658 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
659 | cpu_dai->driver->suspend(cpu_dai); | |
db2a4165 FM |
660 | } |
661 | ||
87506549 | 662 | if (card->suspend_post) |
70b2ac12 | 663 | card->suspend_post(card); |
db2a4165 FM |
664 | |
665 | return 0; | |
666 | } | |
6f8ab4ac | 667 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 668 | |
6ed25978 AG |
669 | /* deferred resume work, so resume can complete before we finished |
670 | * setting our codec back up, which can be very slow on I2C | |
671 | */ | |
672 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 673 | { |
f0fba2ad LG |
674 | struct snd_soc_card *card = |
675 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 676 | struct snd_soc_codec *codec; |
db2a4165 FM |
677 | int i; |
678 | ||
6ed25978 AG |
679 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
680 | * so userspace apps are blocked from touching us | |
681 | */ | |
682 | ||
f110bfc7 | 683 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 684 | |
9949788b | 685 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 686 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 687 | |
87506549 | 688 | if (card->resume_pre) |
70b2ac12 | 689 | card->resume_pre(card); |
db2a4165 | 690 | |
f0fba2ad LG |
691 | /* resume AC97 DAIs */ |
692 | for (i = 0; i < card->num_rtd; i++) { | |
693 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 694 | |
f0fba2ad | 695 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
696 | continue; |
697 | ||
f0fba2ad LG |
698 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
699 | cpu_dai->driver->resume(cpu_dai); | |
700 | } | |
701 | ||
2eea392d | 702 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
703 | /* If the CODEC was idle over suspend then it will have been |
704 | * left with bias OFF or STANDBY and suspended so we must now | |
705 | * resume. Otherwise the suspend was suppressed. | |
706 | */ | |
707 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 708 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
709 | case SND_SOC_BIAS_STANDBY: |
710 | case SND_SOC_BIAS_OFF: | |
711 | codec->driver->resume(codec); | |
712 | codec->suspended = 0; | |
713 | break; | |
714 | default: | |
f110bfc7 LG |
715 | dev_dbg(codec->dev, "ASoC: CODEC was on over" |
716 | " suspend\n"); | |
f0fba2ad LG |
717 | break; |
718 | } | |
1547aba9 MB |
719 | } |
720 | } | |
db2a4165 | 721 | |
f0fba2ad | 722 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 723 | |
f0fba2ad | 724 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
725 | continue; |
726 | ||
7bd3a6f3 | 727 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 728 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 729 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 730 | |
7bd3a6f3 | 731 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 732 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 733 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
734 | } |
735 | ||
3ff3f64b | 736 | /* unmute any active DACs */ |
f0fba2ad LG |
737 | for (i = 0; i < card->num_rtd; i++) { |
738 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
739 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 740 | |
f0fba2ad | 741 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
742 | continue; |
743 | ||
f0fba2ad LG |
744 | if (drv->ops->digital_mute && dai->playback_active) |
745 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
746 | } |
747 | ||
f0fba2ad LG |
748 | for (i = 0; i < card->num_rtd; i++) { |
749 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
750 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 751 | |
f0fba2ad | 752 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
753 | continue; |
754 | ||
f0fba2ad LG |
755 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
756 | cpu_dai->driver->resume(cpu_dai); | |
757 | if (platform->driver->resume && platform->suspended) { | |
758 | platform->driver->resume(cpu_dai); | |
759 | platform->suspended = 0; | |
760 | } | |
db2a4165 FM |
761 | } |
762 | ||
87506549 | 763 | if (card->resume_post) |
70b2ac12 | 764 | card->resume_post(card); |
db2a4165 | 765 | |
f110bfc7 | 766 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
767 | |
768 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 769 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
770 | |
771 | /* Recheck all analogue paths too */ | |
772 | dapm_mark_io_dirty(&card->dapm); | |
773 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
774 | } |
775 | ||
776 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 777 | int snd_soc_resume(struct device *dev) |
6ed25978 | 778 | { |
6f8ab4ac | 779 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 780 | int i, ac97_control = 0; |
b9dd94a8 | 781 | |
5ff1ddf2 EM |
782 | /* If the initialization of this soc device failed, there is no codec |
783 | * associated with it. Just bail out in this case. | |
784 | */ | |
785 | if (list_empty(&card->codec_dev_list)) | |
786 | return 0; | |
787 | ||
64ab9baa MB |
788 | /* AC97 devices might have other drivers hanging off them so |
789 | * need to resume immediately. Other drivers don't have that | |
790 | * problem and may take a substantial amount of time to resume | |
791 | * due to I/O costs and anti-pop so handle them out of line. | |
792 | */ | |
f0fba2ad LG |
793 | for (i = 0; i < card->num_rtd; i++) { |
794 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
795 | ac97_control |= cpu_dai->driver->ac97_control; |
796 | } | |
797 | if (ac97_control) { | |
f110bfc7 | 798 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
799 | soc_resume_deferred(&card->deferred_resume_work); |
800 | } else { | |
f110bfc7 | 801 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 802 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 803 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 804 | } |
6ed25978 | 805 | |
db2a4165 FM |
806 | return 0; |
807 | } | |
6f8ab4ac | 808 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 809 | #else |
6f8ab4ac MB |
810 | #define snd_soc_suspend NULL |
811 | #define snd_soc_resume NULL | |
db2a4165 FM |
812 | #endif |
813 | ||
85e7652d | 814 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
815 | }; |
816 | ||
f0fba2ad | 817 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 818 | { |
f0fba2ad LG |
819 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
820 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
fe3e78e0 | 821 | struct snd_soc_codec *codec; |
435c5e25 | 822 | struct snd_soc_platform *platform; |
f0fba2ad | 823 | struct snd_soc_dai *codec_dai, *cpu_dai; |
848dd8be | 824 | const char *platform_name; |
435c5e25 | 825 | |
f110bfc7 | 826 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 827 | |
b19e6e7b | 828 | /* Find CPU DAI from registered DAIs*/ |
f0fba2ad | 829 | list_for_each_entry(cpu_dai, &dai_list, list) { |
bc92657a SW |
830 | if (dai_link->cpu_of_node && |
831 | (cpu_dai->dev->of_node != dai_link->cpu_of_node)) | |
832 | continue; | |
833 | if (dai_link->cpu_name && | |
834 | strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name)) | |
835 | continue; | |
836 | if (dai_link->cpu_dai_name && | |
837 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
838 | continue; | |
2610ab77 SW |
839 | |
840 | rtd->cpu_dai = cpu_dai; | |
435c5e25 | 841 | } |
6308419a | 842 | |
b19e6e7b | 843 | if (!rtd->cpu_dai) { |
f110bfc7 | 844 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
845 | dai_link->cpu_dai_name); |
846 | return -EPROBE_DEFER; | |
f0fba2ad LG |
847 | } |
848 | ||
b19e6e7b | 849 | /* Find CODEC from registered CODECs */ |
f0fba2ad | 850 | list_for_each_entry(codec, &codec_list, list) { |
5a504963 SW |
851 | if (dai_link->codec_of_node) { |
852 | if (codec->dev->of_node != dai_link->codec_of_node) | |
853 | continue; | |
854 | } else { | |
855 | if (strcmp(codec->name, dai_link->codec_name)) | |
856 | continue; | |
857 | } | |
2610ab77 SW |
858 | |
859 | rtd->codec = codec; | |
860 | ||
861 | /* | |
862 | * CODEC found, so find CODEC DAI from registered DAIs from | |
863 | * this CODEC | |
864 | */ | |
865 | list_for_each_entry(codec_dai, &dai_list, list) { | |
866 | if (codec->dev == codec_dai->dev && | |
867 | !strcmp(codec_dai->name, | |
868 | dai_link->codec_dai_name)) { | |
f0fba2ad | 869 | |
2610ab77 | 870 | rtd->codec_dai = codec_dai; |
2610ab77 | 871 | } |
435c5e25 | 872 | } |
2610ab77 | 873 | |
b19e6e7b | 874 | if (!rtd->codec_dai) { |
f110bfc7 | 875 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", |
b19e6e7b MB |
876 | dai_link->codec_dai_name); |
877 | return -EPROBE_DEFER; | |
878 | } | |
f0fba2ad | 879 | } |
6b05eda6 | 880 | |
b19e6e7b | 881 | if (!rtd->codec) { |
f110bfc7 | 882 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
883 | dai_link->codec_name); |
884 | return -EPROBE_DEFER; | |
885 | } | |
848dd8be MB |
886 | |
887 | /* if there's no platform we match on the empty platform */ | |
888 | platform_name = dai_link->platform_name; | |
5a504963 | 889 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
890 | platform_name = "snd-soc-dummy"; |
891 | ||
b19e6e7b | 892 | /* find one from the set of registered platforms */ |
f0fba2ad | 893 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
894 | if (dai_link->platform_of_node) { |
895 | if (platform->dev->of_node != | |
896 | dai_link->platform_of_node) | |
897 | continue; | |
898 | } else { | |
899 | if (strcmp(platform->name, platform_name)) | |
900 | continue; | |
901 | } | |
2610ab77 SW |
902 | |
903 | rtd->platform = platform; | |
02a06d30 | 904 | } |
b19e6e7b | 905 | if (!rtd->platform) { |
f110bfc7 | 906 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 907 | dai_link->platform_name); |
b19e6e7b | 908 | return -EPROBE_DEFER; |
f0fba2ad | 909 | } |
b19e6e7b MB |
910 | |
911 | card->num_rtd++; | |
912 | ||
913 | return 0; | |
f0fba2ad LG |
914 | } |
915 | ||
d12cd198 SW |
916 | static int soc_remove_platform(struct snd_soc_platform *platform) |
917 | { | |
918 | int ret; | |
919 | ||
920 | if (platform->driver->remove) { | |
921 | ret = platform->driver->remove(platform); | |
922 | if (ret < 0) | |
f110bfc7 LG |
923 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
924 | ret); | |
d12cd198 SW |
925 | } |
926 | ||
927 | /* Make sure all DAPM widgets are freed */ | |
928 | snd_soc_dapm_free(&platform->dapm); | |
929 | ||
930 | soc_cleanup_platform_debugfs(platform); | |
931 | platform->probed = 0; | |
932 | list_del(&platform->card_list); | |
933 | module_put(platform->dev->driver->owner); | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
589c3563 JN |
938 | static void soc_remove_codec(struct snd_soc_codec *codec) |
939 | { | |
940 | int err; | |
941 | ||
942 | if (codec->driver->remove) { | |
943 | err = codec->driver->remove(codec); | |
944 | if (err < 0) | |
f110bfc7 | 945 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
946 | } |
947 | ||
948 | /* Make sure all DAPM widgets are freed */ | |
949 | snd_soc_dapm_free(&codec->dapm); | |
950 | ||
951 | soc_cleanup_codec_debugfs(codec); | |
952 | codec->probed = 0; | |
953 | list_del(&codec->card_list); | |
954 | module_put(codec->dev->driver->owner); | |
955 | } | |
956 | ||
62ae68fa | 957 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
958 | { |
959 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad LG |
960 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
961 | int err; | |
962 | ||
963 | /* unregister the rtd device */ | |
964 | if (rtd->dev_registered) { | |
36ae1a96 MB |
965 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); |
966 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
967 | device_unregister(rtd->dev); | |
f0fba2ad LG |
968 | rtd->dev_registered = 0; |
969 | } | |
970 | ||
971 | /* remove the CODEC DAI */ | |
0168bf0d LG |
972 | if (codec_dai && codec_dai->probed && |
973 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
974 | if (codec_dai->driver->remove) { |
975 | err = codec_dai->driver->remove(codec_dai); | |
976 | if (err < 0) | |
f110bfc7 LG |
977 | dev_err(codec_dai->dev, |
978 | "ASoC: failed to remove %s: %d\n", | |
979 | codec_dai->name, err); | |
6b05eda6 | 980 | } |
f0fba2ad LG |
981 | codec_dai->probed = 0; |
982 | list_del(&codec_dai->card_list); | |
983 | } | |
6b05eda6 | 984 | |
f0fba2ad | 985 | /* remove the cpu_dai */ |
0168bf0d LG |
986 | if (cpu_dai && cpu_dai->probed && |
987 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
988 | if (cpu_dai->driver->remove) { |
989 | err = cpu_dai->driver->remove(cpu_dai); | |
990 | if (err < 0) | |
f110bfc7 LG |
991 | dev_err(cpu_dai->dev, |
992 | "ASoC: failed to remove %s: %d\n", | |
993 | cpu_dai->name, err); | |
db2a4165 | 994 | } |
f0fba2ad LG |
995 | cpu_dai->probed = 0; |
996 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 997 | |
18d75644 SW |
998 | if (!cpu_dai->codec) { |
999 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1000 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1001 | } |
db2a4165 | 1002 | } |
f0fba2ad | 1003 | } |
db2a4165 | 1004 | |
62ae68fa SW |
1005 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1006 | int order) | |
1007 | { | |
1008 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1009 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1010 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1011 | struct snd_soc_platform *platform = rtd->platform; | |
1012 | struct snd_soc_codec *codec; | |
1013 | ||
1014 | /* remove the platform */ | |
1015 | if (platform && platform->probed && | |
1016 | platform->driver->remove_order == order) { | |
1017 | soc_remove_platform(platform); | |
1018 | } | |
1019 | ||
1020 | /* remove the CODEC-side CODEC */ | |
1021 | if (codec_dai) { | |
1022 | codec = codec_dai->codec; | |
1023 | if (codec && codec->probed && | |
1024 | codec->driver->remove_order == order) | |
1025 | soc_remove_codec(codec); | |
1026 | } | |
1027 | ||
1028 | /* remove any CPU-side CODEC */ | |
1029 | if (cpu_dai) { | |
1030 | codec = cpu_dai->codec; | |
1031 | if (codec && codec->probed && | |
1032 | codec->driver->remove_order == order) | |
1033 | soc_remove_codec(codec); | |
1034 | } | |
1035 | } | |
1036 | ||
0671fd8e KM |
1037 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1038 | { | |
0168bf0d | 1039 | int dai, order; |
0671fd8e | 1040 | |
0168bf0d LG |
1041 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1042 | order++) { | |
1043 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1044 | soc_remove_link_dais(card, dai, order); |
1045 | } | |
1046 | ||
1047 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1048 | order++) { | |
1049 | for (dai = 0; dai < card->num_rtd; dai++) | |
1050 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1051 | } |
62ae68fa | 1052 | |
0671fd8e KM |
1053 | card->num_rtd = 0; |
1054 | } | |
1055 | ||
ead9b919 JN |
1056 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1057 | struct snd_soc_codec *codec) | |
1058 | { | |
1059 | int i; | |
1060 | ||
ff819b83 | 1061 | if (card->codec_conf == NULL) |
ead9b919 JN |
1062 | return; |
1063 | ||
ff819b83 DP |
1064 | for (i = 0; i < card->num_configs; i++) { |
1065 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1066 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1067 | codec->name_prefix = map->name_prefix; | |
1068 | break; | |
1069 | } | |
1070 | } | |
1071 | } | |
1072 | ||
589c3563 JN |
1073 | static int soc_probe_codec(struct snd_soc_card *card, |
1074 | struct snd_soc_codec *codec) | |
1075 | { | |
1076 | int ret = 0; | |
89b95ac0 | 1077 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1078 | struct snd_soc_dai *dai; |
589c3563 JN |
1079 | |
1080 | codec->card = card; | |
1081 | codec->dapm.card = card; | |
1082 | soc_set_name_prefix(card, codec); | |
1083 | ||
70d29331 JN |
1084 | if (!try_module_get(codec->dev->driver->owner)) |
1085 | return -ENODEV; | |
1086 | ||
d5d1e0be LPC |
1087 | soc_init_codec_debugfs(codec); |
1088 | ||
77530150 LPC |
1089 | if (driver->dapm_widgets) |
1090 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, | |
1091 | driver->num_dapm_widgets); | |
1092 | ||
888df395 MB |
1093 | /* Create DAPM widgets for each DAI stream */ |
1094 | list_for_each_entry(dai, &dai_list, list) { | |
1095 | if (dai->dev != codec->dev) | |
1096 | continue; | |
1097 | ||
1098 | snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1099 | } | |
1100 | ||
33c5f969 MB |
1101 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1102 | ||
89b95ac0 MB |
1103 | if (driver->probe) { |
1104 | ret = driver->probe(codec); | |
589c3563 JN |
1105 | if (ret < 0) { |
1106 | dev_err(codec->dev, | |
f110bfc7 | 1107 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1108 | goto err_probe; |
589c3563 JN |
1109 | } |
1110 | } | |
1111 | ||
38cbf959 | 1112 | /* If the driver didn't set I/O up try regmap */ |
98d3088e | 1113 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) |
38cbf959 MB |
1114 | snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); |
1115 | ||
b7af1daf | 1116 | if (driver->controls) |
022658be | 1117 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1118 | driver->num_controls); |
89b95ac0 MB |
1119 | if (driver->dapm_routes) |
1120 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1121 | driver->num_dapm_routes); | |
1122 | ||
589c3563 JN |
1123 | /* mark codec as probed and add to card codec list */ |
1124 | codec->probed = 1; | |
1125 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1126 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1127 | |
70d29331 JN |
1128 | return 0; |
1129 | ||
1130 | err_probe: | |
d5d1e0be | 1131 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1132 | module_put(codec->dev->driver->owner); |
1133 | ||
589c3563 JN |
1134 | return ret; |
1135 | } | |
1136 | ||
956245e9 LG |
1137 | static int soc_probe_platform(struct snd_soc_card *card, |
1138 | struct snd_soc_platform *platform) | |
1139 | { | |
1140 | int ret = 0; | |
1141 | const struct snd_soc_platform_driver *driver = platform->driver; | |
be09ad90 | 1142 | struct snd_soc_dai *dai; |
956245e9 LG |
1143 | |
1144 | platform->card = card; | |
b7950641 | 1145 | platform->dapm.card = card; |
956245e9 LG |
1146 | |
1147 | if (!try_module_get(platform->dev->driver->owner)) | |
1148 | return -ENODEV; | |
1149 | ||
731f1ab2 SG |
1150 | soc_init_platform_debugfs(platform); |
1151 | ||
cb2cf612 LG |
1152 | if (driver->dapm_widgets) |
1153 | snd_soc_dapm_new_controls(&platform->dapm, | |
1154 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1155 | ||
be09ad90 LG |
1156 | /* Create DAPM widgets for each DAI stream */ |
1157 | list_for_each_entry(dai, &dai_list, list) { | |
1158 | if (dai->dev != platform->dev) | |
1159 | continue; | |
1160 | ||
1161 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
1162 | } | |
1163 | ||
3fec6b6d SW |
1164 | platform->dapm.idle_bias_off = 1; |
1165 | ||
956245e9 LG |
1166 | if (driver->probe) { |
1167 | ret = driver->probe(platform); | |
1168 | if (ret < 0) { | |
1169 | dev_err(platform->dev, | |
f110bfc7 | 1170 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1171 | goto err_probe; |
1172 | } | |
1173 | } | |
1174 | ||
cb2cf612 LG |
1175 | if (driver->controls) |
1176 | snd_soc_add_platform_controls(platform, driver->controls, | |
1177 | driver->num_controls); | |
1178 | if (driver->dapm_routes) | |
1179 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1180 | driver->num_dapm_routes); | |
1181 | ||
956245e9 LG |
1182 | /* mark platform as probed and add to card platform list */ |
1183 | platform->probed = 1; | |
1184 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1185 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1186 | |
1187 | return 0; | |
1188 | ||
1189 | err_probe: | |
02db1103 | 1190 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1191 | module_put(platform->dev->driver->owner); |
1192 | ||
1193 | return ret; | |
1194 | } | |
1195 | ||
36ae1a96 MB |
1196 | static void rtd_release(struct device *dev) |
1197 | { | |
1198 | kfree(dev); | |
1199 | } | |
f0fba2ad | 1200 | |
589c3563 JN |
1201 | static int soc_post_component_init(struct snd_soc_card *card, |
1202 | struct snd_soc_codec *codec, | |
1203 | int num, int dailess) | |
1204 | { | |
1205 | struct snd_soc_dai_link *dai_link = NULL; | |
1206 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1207 | struct snd_soc_pcm_runtime *rtd; | |
1208 | const char *temp, *name; | |
1209 | int ret = 0; | |
1210 | ||
1211 | if (!dailess) { | |
1212 | dai_link = &card->dai_link[num]; | |
1213 | rtd = &card->rtd[num]; | |
1214 | name = dai_link->name; | |
1215 | } else { | |
1216 | aux_dev = &card->aux_dev[num]; | |
1217 | rtd = &card->rtd_aux[num]; | |
1218 | name = aux_dev->name; | |
1219 | } | |
0962bb21 | 1220 | rtd->card = card; |
589c3563 | 1221 | |
4b1cfcb4 MB |
1222 | /* Make sure all DAPM widgets are instantiated */ |
1223 | snd_soc_dapm_new_widgets(&codec->dapm); | |
1224 | ||
589c3563 JN |
1225 | /* machine controls, routes and widgets are not prefixed */ |
1226 | temp = codec->name_prefix; | |
1227 | codec->name_prefix = NULL; | |
1228 | ||
1229 | /* do machine specific initialization */ | |
1230 | if (!dailess && dai_link->init) | |
1231 | ret = dai_link->init(rtd); | |
1232 | else if (dailess && aux_dev->init) | |
1233 | ret = aux_dev->init(&codec->dapm); | |
1234 | if (ret < 0) { | |
f110bfc7 | 1235 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1236 | return ret; |
1237 | } | |
1238 | codec->name_prefix = temp; | |
1239 | ||
589c3563 JN |
1240 | /* register the rtd device */ |
1241 | rtd->codec = codec; | |
36ae1a96 MB |
1242 | |
1243 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1244 | if (!rtd->dev) | |
1245 | return -ENOMEM; | |
1246 | device_initialize(rtd->dev); | |
1247 | rtd->dev->parent = card->dev; | |
1248 | rtd->dev->release = rtd_release; | |
1249 | rtd->dev->init_name = name; | |
1250 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1251 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1252 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1253 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1254 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1255 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1256 | ret = device_add(rtd->dev); |
589c3563 JN |
1257 | if (ret < 0) { |
1258 | dev_err(card->dev, | |
f110bfc7 | 1259 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1260 | return ret; |
1261 | } | |
1262 | rtd->dev_registered = 1; | |
1263 | ||
1264 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1265 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1266 | if (ret < 0) |
1267 | dev_err(codec->dev, | |
f110bfc7 | 1268 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1269 | |
1270 | /* add codec sysfs entries */ | |
36ae1a96 | 1271 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1272 | if (ret < 0) |
1273 | dev_err(codec->dev, | |
f110bfc7 | 1274 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1275 | |
f86dcef8 LG |
1276 | #ifdef CONFIG_DEBUG_FS |
1277 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1278 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1279 | goto out; |
1280 | ||
1281 | ret = soc_dpcm_debugfs_add(rtd); | |
1282 | if (ret < 0) | |
f110bfc7 | 1283 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1284 | |
1285 | out: | |
1286 | #endif | |
589c3563 JN |
1287 | return 0; |
1288 | } | |
1289 | ||
62ae68fa SW |
1290 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1291 | int order) | |
1292 | { | |
1293 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1294 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1295 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1296 | struct snd_soc_platform *platform = rtd->platform; | |
1297 | int ret; | |
1298 | ||
1299 | /* probe the CPU-side component, if it is a CODEC */ | |
1300 | if (cpu_dai->codec && | |
1301 | !cpu_dai->codec->probed && | |
1302 | cpu_dai->codec->driver->probe_order == order) { | |
1303 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1304 | if (ret < 0) | |
1305 | return ret; | |
1306 | } | |
1307 | ||
1308 | /* probe the CODEC-side component */ | |
1309 | if (!codec_dai->codec->probed && | |
1310 | codec_dai->codec->driver->probe_order == order) { | |
1311 | ret = soc_probe_codec(card, codec_dai->codec); | |
1312 | if (ret < 0) | |
1313 | return ret; | |
1314 | } | |
1315 | ||
1316 | /* probe the platform */ | |
1317 | if (!platform->probed && | |
1318 | platform->driver->probe_order == order) { | |
1319 | ret = soc_probe_platform(card, platform); | |
1320 | if (ret < 0) | |
1321 | return ret; | |
1322 | } | |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) | |
f0fba2ad LG |
1328 | { |
1329 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1330 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1331 | struct snd_soc_codec *codec = rtd->codec; | |
1332 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1333 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1334 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1335 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
f0fba2ad LG |
1336 | int ret; |
1337 | ||
f110bfc7 | 1338 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1339 | card->name, num, order); |
f0fba2ad LG |
1340 | |
1341 | /* config components */ | |
f0fba2ad | 1342 | cpu_dai->platform = platform; |
f0fba2ad LG |
1343 | codec_dai->card = card; |
1344 | cpu_dai->card = card; | |
1345 | ||
1346 | /* set default power off timeout */ | |
1347 | rtd->pmdown_time = pmdown_time; | |
1348 | ||
1349 | /* probe the cpu_dai */ | |
0168bf0d LG |
1350 | if (!cpu_dai->probed && |
1351 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1352 | if (!cpu_dai->codec) { |
1353 | cpu_dai->dapm.card = card; | |
1354 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1355 | return -ENODEV; | |
61b61e3c | 1356 | |
18d75644 | 1357 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe SW |
1358 | snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai); |
1359 | } | |
be09ad90 | 1360 | |
f0fba2ad LG |
1361 | if (cpu_dai->driver->probe) { |
1362 | ret = cpu_dai->driver->probe(cpu_dai); | |
1363 | if (ret < 0) { | |
f110bfc7 LG |
1364 | dev_err(cpu_dai->dev, |
1365 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1366 | cpu_dai->name, ret); | |
61b61e3c | 1367 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1368 | return ret; |
1369 | } | |
1370 | } | |
1371 | cpu_dai->probed = 1; | |
1c8371d6 | 1372 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1373 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1374 | } |
1375 | ||
f0fba2ad | 1376 | /* probe the CODEC DAI */ |
0168bf0d | 1377 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { |
f0fba2ad LG |
1378 | if (codec_dai->driver->probe) { |
1379 | ret = codec_dai->driver->probe(codec_dai); | |
fe3e78e0 | 1380 | if (ret < 0) { |
f110bfc7 LG |
1381 | dev_err(codec_dai->dev, |
1382 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1383 | codec_dai->name, ret); | |
f0fba2ad | 1384 | return ret; |
fe3e78e0 MB |
1385 | } |
1386 | } | |
f0fba2ad | 1387 | |
1c8371d6 | 1388 | /* mark codec_dai as probed and add to card dai list */ |
f0fba2ad LG |
1389 | codec_dai->probed = 1; |
1390 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
fe3e78e0 MB |
1391 | } |
1392 | ||
0168bf0d LG |
1393 | /* complete DAI probe during last probe */ |
1394 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1395 | return 0; | |
1396 | ||
589c3563 JN |
1397 | ret = soc_post_component_init(card, codec, num, 0); |
1398 | if (ret) | |
f0fba2ad | 1399 | return ret; |
fe3e78e0 | 1400 | |
36ae1a96 | 1401 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1402 | if (ret < 0) |
f110bfc7 LG |
1403 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1404 | ret); | |
f0fba2ad | 1405 | |
1245b700 NK |
1406 | if (cpu_dai->driver->compress_dai) { |
1407 | /*create compress_device"*/ | |
1408 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1409 | if (ret < 0) { |
f110bfc7 | 1410 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1411 | dai_link->stream_name); |
c74184ed MB |
1412 | return ret; |
1413 | } | |
1414 | } else { | |
1245b700 NK |
1415 | |
1416 | if (!dai_link->params) { | |
1417 | /* create the pcm */ | |
1418 | ret = soc_new_pcm(rtd, num); | |
1419 | if (ret < 0) { | |
f110bfc7 | 1420 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1421 | dai_link->stream_name, ret); |
c74184ed MB |
1422 | return ret; |
1423 | } | |
1245b700 NK |
1424 | } else { |
1425 | /* link the DAI widgets */ | |
1426 | play_w = codec_dai->playback_widget; | |
1427 | capture_w = cpu_dai->capture_widget; | |
1428 | if (play_w && capture_w) { | |
1429 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1430 | capture_w, play_w); | |
1431 | if (ret != 0) { | |
f110bfc7 | 1432 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1433 | play_w->name, capture_w->name, ret); |
1434 | return ret; | |
1435 | } | |
1436 | } | |
c74184ed | 1437 | |
1245b700 NK |
1438 | play_w = cpu_dai->playback_widget; |
1439 | capture_w = codec_dai->capture_widget; | |
1440 | if (play_w && capture_w) { | |
1441 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c74184ed | 1442 | capture_w, play_w); |
1245b700 | 1443 | if (ret != 0) { |
f110bfc7 | 1444 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1445 | play_w->name, capture_w->name, ret); |
1446 | return ret; | |
1447 | } | |
c74184ed MB |
1448 | } |
1449 | } | |
f0fba2ad LG |
1450 | } |
1451 | ||
1452 | /* add platform data for AC97 devices */ | |
1453 | if (rtd->codec_dai->driver->ac97_control) | |
1454 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1455 | ||
1456 | return 0; | |
1457 | } | |
1458 | ||
fe3e78e0 | 1459 | #ifdef CONFIG_SND_SOC_AC97_BUS |
f0fba2ad LG |
1460 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1461 | { | |
1462 | int ret; | |
1463 | ||
fe3e78e0 MB |
1464 | /* Only instantiate AC97 if not already done by the adaptor |
1465 | * for the generic AC97 subsystem. | |
1466 | */ | |
f0fba2ad | 1467 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
0562f788 MW |
1468 | /* |
1469 | * It is possible that the AC97 device is already registered to | |
1470 | * the device subsystem. This happens when the device is created | |
1471 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1472 | * is the generic AC97 glue but others migh emerge. | |
1473 | * | |
1474 | * In those cases we don't try to register the device again. | |
1475 | */ | |
1476 | if (!rtd->codec->ac97_created) | |
1477 | return 0; | |
f0fba2ad LG |
1478 | |
1479 | ret = soc_ac97_dev_register(rtd->codec); | |
fe3e78e0 | 1480 | if (ret < 0) { |
f110bfc7 LG |
1481 | dev_err(rtd->codec->dev, |
1482 | "ASoC: AC97 device register failed: %d\n", ret); | |
f0fba2ad | 1483 | return ret; |
fe3e78e0 | 1484 | } |
f0fba2ad LG |
1485 | |
1486 | rtd->codec->ac97_registered = 1; | |
fe3e78e0 | 1487 | } |
f0fba2ad LG |
1488 | return 0; |
1489 | } | |
1490 | ||
1491 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) | |
1492 | { | |
1493 | if (codec->ac97_registered) { | |
1494 | soc_ac97_dev_unregister(codec); | |
1495 | codec->ac97_registered = 0; | |
1496 | } | |
1497 | } | |
fe3e78e0 MB |
1498 | #endif |
1499 | ||
b19e6e7b MB |
1500 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1501 | { | |
1502 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1503 | struct snd_soc_codec *codec; | |
1504 | ||
1505 | /* find CODEC from registered CODECs*/ | |
1506 | list_for_each_entry(codec, &codec_list, list) { | |
1507 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1508 | return 0; | |
1509 | } | |
1510 | ||
f110bfc7 | 1511 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1512 | |
b19e6e7b MB |
1513 | return -EPROBE_DEFER; |
1514 | } | |
1515 | ||
2eea392d JN |
1516 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1517 | { | |
1518 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1519 | struct snd_soc_codec *codec; |
676ad98a | 1520 | int ret = -ENODEV; |
2eea392d JN |
1521 | |
1522 | /* find CODEC from registered CODECs*/ | |
1523 | list_for_each_entry(codec, &codec_list, list) { | |
1524 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1525 | if (codec->probed) { | |
1526 | dev_err(codec->dev, | |
f110bfc7 | 1527 | "ASoC: codec already probed"); |
2eea392d JN |
1528 | ret = -EBUSY; |
1529 | goto out; | |
1530 | } | |
676ad98a | 1531 | goto found; |
2eea392d JN |
1532 | } |
1533 | } | |
676ad98a | 1534 | /* codec not found */ |
f110bfc7 | 1535 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1536 | return -EPROBE_DEFER; |
2eea392d | 1537 | |
676ad98a | 1538 | found: |
589c3563 | 1539 | ret = soc_probe_codec(card, codec); |
2eea392d | 1540 | if (ret < 0) |
589c3563 | 1541 | return ret; |
2eea392d | 1542 | |
589c3563 | 1543 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1544 | |
1545 | out: | |
1546 | return ret; | |
1547 | } | |
1548 | ||
1549 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1550 | { | |
1551 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1552 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1553 | |
1554 | /* unregister the rtd device */ | |
1555 | if (rtd->dev_registered) { | |
36ae1a96 MB |
1556 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
1557 | device_del(rtd->dev); | |
2eea392d JN |
1558 | rtd->dev_registered = 0; |
1559 | } | |
1560 | ||
589c3563 JN |
1561 | if (codec && codec->probed) |
1562 | soc_remove_codec(codec); | |
2eea392d JN |
1563 | } |
1564 | ||
fdf0f54d DP |
1565 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
1566 | enum snd_soc_compress_type compress_type) | |
1567 | { | |
1568 | int ret; | |
1569 | ||
1570 | if (codec->cache_init) | |
1571 | return 0; | |
1572 | ||
1573 | /* override the compress_type if necessary */ | |
1574 | if (compress_type && codec->compress_type != compress_type) | |
1575 | codec->compress_type = compress_type; | |
fdf0f54d DP |
1576 | ret = snd_soc_cache_init(codec); |
1577 | if (ret < 0) { | |
f110bfc7 LG |
1578 | dev_err(codec->dev, "ASoC: Failed to set cache compression" |
1579 | " type: %d\n", ret); | |
fdf0f54d DP |
1580 | return ret; |
1581 | } | |
1582 | codec->cache_init = 1; | |
1583 | return 0; | |
1584 | } | |
1585 | ||
b19e6e7b | 1586 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1587 | { |
fdf0f54d DP |
1588 | struct snd_soc_codec *codec; |
1589 | struct snd_soc_codec_conf *codec_conf; | |
1590 | enum snd_soc_compress_type compress_type; | |
75d9ac46 | 1591 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1592 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1593 | |
01b9d99a | 1594 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1595 | |
f0fba2ad | 1596 | /* bind DAIs */ |
b19e6e7b MB |
1597 | for (i = 0; i < card->num_links; i++) { |
1598 | ret = soc_bind_dai_link(card, i); | |
1599 | if (ret != 0) | |
1600 | goto base_error; | |
1601 | } | |
fe3e78e0 | 1602 | |
b19e6e7b MB |
1603 | /* check aux_devs too */ |
1604 | for (i = 0; i < card->num_aux_devs; i++) { | |
1605 | ret = soc_check_aux_dev(card, i); | |
1606 | if (ret != 0) | |
1607 | goto base_error; | |
f0fba2ad | 1608 | } |
435c5e25 | 1609 | |
fdf0f54d DP |
1610 | /* initialize the register cache for each available codec */ |
1611 | list_for_each_entry(codec, &codec_list, list) { | |
1612 | if (codec->cache_init) | |
1613 | continue; | |
861f2faf DP |
1614 | /* by default we don't override the compress_type */ |
1615 | compress_type = 0; | |
fdf0f54d DP |
1616 | /* check to see if we need to override the compress_type */ |
1617 | for (i = 0; i < card->num_configs; ++i) { | |
1618 | codec_conf = &card->codec_conf[i]; | |
1619 | if (!strcmp(codec->name, codec_conf->dev_name)) { | |
1620 | compress_type = codec_conf->compress_type; | |
1621 | if (compress_type && compress_type | |
1622 | != codec->compress_type) | |
1623 | break; | |
1624 | } | |
1625 | } | |
fdf0f54d | 1626 | ret = snd_soc_init_codec_cache(codec, compress_type); |
b19e6e7b MB |
1627 | if (ret < 0) |
1628 | goto base_error; | |
fdf0f54d DP |
1629 | } |
1630 | ||
f0fba2ad LG |
1631 | /* card bind complete so register a sound card */ |
1632 | ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, | |
1633 | card->owner, 0, &card->snd_card); | |
1634 | if (ret < 0) { | |
f110bfc7 LG |
1635 | dev_err(card->dev, "ASoC: can't create sound card for" |
1636 | " card %s: %d\n", card->name, ret); | |
b19e6e7b | 1637 | goto base_error; |
f0fba2ad LG |
1638 | } |
1639 | card->snd_card->dev = card->dev; | |
1640 | ||
e37a4970 MB |
1641 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1642 | card->dapm.dev = card->dev; | |
1643 | card->dapm.card = card; | |
1644 | list_add(&card->dapm.list, &card->dapm_list); | |
1645 | ||
d5d1e0be LPC |
1646 | #ifdef CONFIG_DEBUG_FS |
1647 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1648 | #endif | |
1649 | ||
88ee1c61 | 1650 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1651 | /* deferred resume work */ |
1652 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1653 | #endif | |
db2a4165 | 1654 | |
9a841ebb MB |
1655 | if (card->dapm_widgets) |
1656 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1657 | card->num_dapm_widgets); | |
1658 | ||
f0fba2ad LG |
1659 | /* initialise the sound card only once */ |
1660 | if (card->probe) { | |
e7361ec4 | 1661 | ret = card->probe(card); |
f0fba2ad LG |
1662 | if (ret < 0) |
1663 | goto card_probe_error; | |
1664 | } | |
fe3e78e0 | 1665 | |
62ae68fa | 1666 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1667 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1668 | order++) { | |
1669 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1670 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1671 | if (ret < 0) { |
f110bfc7 LG |
1672 | dev_err(card->dev, |
1673 | "ASoC: failed to instantiate card %d\n", | |
1674 | ret); | |
62ae68fa SW |
1675 | goto probe_dai_err; |
1676 | } | |
1677 | } | |
1678 | } | |
1679 | ||
1680 | /* probe all DAI links on this card */ | |
1681 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1682 | order++) { | |
1683 | for (i = 0; i < card->num_links; i++) { | |
1684 | ret = soc_probe_link_dais(card, i, order); | |
1685 | if (ret < 0) { | |
f110bfc7 LG |
1686 | dev_err(card->dev, |
1687 | "ASoC: failed to instantiate card %d\n", | |
1688 | ret); | |
0168bf0d LG |
1689 | goto probe_dai_err; |
1690 | } | |
f0fba2ad LG |
1691 | } |
1692 | } | |
db2a4165 | 1693 | |
2eea392d JN |
1694 | for (i = 0; i < card->num_aux_devs; i++) { |
1695 | ret = soc_probe_aux_dev(card, i); | |
1696 | if (ret < 0) { | |
f110bfc7 LG |
1697 | dev_err(card->dev, |
1698 | "ASoC: failed to add auxiliary devices %d\n", | |
1699 | ret); | |
2eea392d JN |
1700 | goto probe_aux_dev_err; |
1701 | } | |
1702 | } | |
1703 | ||
888df395 MB |
1704 | snd_soc_dapm_link_dai_widgets(card); |
1705 | ||
b7af1daf | 1706 | if (card->controls) |
022658be | 1707 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1708 | |
b8ad29de MB |
1709 | if (card->dapm_routes) |
1710 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1711 | card->num_dapm_routes); | |
1712 | ||
b90d2f90 MB |
1713 | snd_soc_dapm_new_widgets(&card->dapm); |
1714 | ||
75d9ac46 MB |
1715 | for (i = 0; i < card->num_links; i++) { |
1716 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1717 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1718 | |
f04209a7 | 1719 | if (dai_fmt) { |
75d9ac46 | 1720 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1721 | dai_fmt); |
5e4ba569 | 1722 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1723 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1724 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1725 | ret); |
f04209a7 MB |
1726 | } |
1727 | ||
1728 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1729 | if (dai_fmt && |
1730 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1731 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1732 | dai_fmt); | |
1733 | if (ret != 0 && ret != -ENOTSUPP) | |
1734 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1735 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1736 | ret); |
1737 | } else if (dai_fmt) { | |
1738 | /* Flip the polarity for the "CPU" end */ | |
1739 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1740 | switch (dai_link->dai_fmt & | |
1741 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1742 | case SND_SOC_DAIFMT_CBM_CFM: | |
1743 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1744 | break; | |
1745 | case SND_SOC_DAIFMT_CBM_CFS: | |
1746 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1747 | break; | |
1748 | case SND_SOC_DAIFMT_CBS_CFM: | |
1749 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1750 | break; | |
1751 | case SND_SOC_DAIFMT_CBS_CFS: | |
1752 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1753 | break; | |
1754 | } | |
75d9ac46 MB |
1755 | |
1756 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1757 | dai_fmt); |
5e4ba569 | 1758 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1759 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1760 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1761 | ret); |
1762 | } | |
1763 | } | |
1764 | ||
f0fba2ad | 1765 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1766 | "%s", card->name); |
22de71ba LG |
1767 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1768 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1769 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1770 | "%s", card->driver_name ? card->driver_name : card->name); | |
1771 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1772 | switch (card->snd_card->driver[i]) { | |
1773 | case '_': | |
1774 | case '-': | |
1775 | case '\0': | |
1776 | break; | |
1777 | default: | |
1778 | if (!isalnum(card->snd_card->driver[i])) | |
1779 | card->snd_card->driver[i] = '_'; | |
1780 | break; | |
1781 | } | |
1782 | } | |
f0fba2ad | 1783 | |
28e9ad92 MB |
1784 | if (card->late_probe) { |
1785 | ret = card->late_probe(card); | |
1786 | if (ret < 0) { | |
f110bfc7 | 1787 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1788 | card->name, ret); |
1789 | goto probe_aux_dev_err; | |
1790 | } | |
1791 | } | |
1792 | ||
2dc00213 MB |
1793 | snd_soc_dapm_new_widgets(&card->dapm); |
1794 | ||
1633281b | 1795 | if (card->fully_routed) |
b05d8dc1 | 1796 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1797 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1798 | ||
f0fba2ad LG |
1799 | ret = snd_card_register(card->snd_card); |
1800 | if (ret < 0) { | |
f110bfc7 LG |
1801 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1802 | ret); | |
6b3ed785 | 1803 | goto probe_aux_dev_err; |
db2a4165 FM |
1804 | } |
1805 | ||
f0fba2ad LG |
1806 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1807 | /* register any AC97 codecs */ | |
1808 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1809 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1810 | if (ret < 0) { | |
f110bfc7 LG |
1811 | dev_err(card->dev, "ASoC: failed to register AC97:" |
1812 | " %d\n", ret); | |
6b3ed785 | 1813 | while (--i >= 0) |
7d8316df | 1814 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
6b3ed785 | 1815 | goto probe_aux_dev_err; |
f0fba2ad | 1816 | } |
6b3ed785 | 1817 | } |
f0fba2ad LG |
1818 | #endif |
1819 | ||
1820 | card->instantiated = 1; | |
4f4c0072 | 1821 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1822 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1823 | |
1824 | return 0; | |
f0fba2ad | 1825 | |
2eea392d JN |
1826 | probe_aux_dev_err: |
1827 | for (i = 0; i < card->num_aux_devs; i++) | |
1828 | soc_remove_aux_dev(card, i); | |
1829 | ||
f0fba2ad | 1830 | probe_dai_err: |
0671fd8e | 1831 | soc_remove_dai_links(card); |
f0fba2ad LG |
1832 | |
1833 | card_probe_error: | |
87506549 | 1834 | if (card->remove) |
e7361ec4 | 1835 | card->remove(card); |
f0fba2ad LG |
1836 | |
1837 | snd_card_free(card->snd_card); | |
1838 | ||
b19e6e7b | 1839 | base_error: |
f0fba2ad | 1840 | mutex_unlock(&card->mutex); |
db2a4165 | 1841 | |
b19e6e7b | 1842 | return ret; |
435c5e25 MB |
1843 | } |
1844 | ||
1845 | /* probes a new socdev */ | |
1846 | static int soc_probe(struct platform_device *pdev) | |
1847 | { | |
f0fba2ad | 1848 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1849 | |
70a7ca34 VK |
1850 | /* |
1851 | * no card, so machine driver should be registering card | |
1852 | * we should not be here in that case so ret error | |
1853 | */ | |
1854 | if (!card) | |
1855 | return -EINVAL; | |
1856 | ||
fe4085e8 | 1857 | dev_warn(&pdev->dev, |
f110bfc7 | 1858 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1859 | card->name); |
1860 | ||
435c5e25 MB |
1861 | /* Bodge while we unpick instantiation */ |
1862 | card->dev = &pdev->dev; | |
f0fba2ad | 1863 | |
28d528c8 | 1864 | return snd_soc_register_card(card); |
db2a4165 FM |
1865 | } |
1866 | ||
b0e26485 | 1867 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1868 | { |
1869 | int i; | |
db2a4165 | 1870 | |
b0e26485 VK |
1871 | /* make sure any delayed work runs */ |
1872 | for (i = 0; i < card->num_rtd; i++) { | |
1873 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1874 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1875 | } |
914dc182 | 1876 | |
b0e26485 VK |
1877 | /* remove auxiliary devices */ |
1878 | for (i = 0; i < card->num_aux_devs; i++) | |
1879 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1880 | |
b0e26485 | 1881 | /* remove and free each DAI */ |
0671fd8e | 1882 | soc_remove_dai_links(card); |
2eea392d | 1883 | |
b0e26485 | 1884 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1885 | |
b0e26485 VK |
1886 | /* remove the card */ |
1887 | if (card->remove) | |
e7361ec4 | 1888 | card->remove(card); |
a6052154 | 1889 | |
0aaae527 LPC |
1890 | snd_soc_dapm_free(&card->dapm); |
1891 | ||
b0e26485 VK |
1892 | snd_card_free(card->snd_card); |
1893 | return 0; | |
1894 | ||
1895 | } | |
1896 | ||
1897 | /* removes a socdev */ | |
1898 | static int soc_remove(struct platform_device *pdev) | |
1899 | { | |
1900 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1901 | |
c5af3a2e | 1902 | snd_soc_unregister_card(card); |
db2a4165 FM |
1903 | return 0; |
1904 | } | |
1905 | ||
6f8ab4ac | 1906 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1907 | { |
6f8ab4ac | 1908 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1909 | int i; |
51737470 MB |
1910 | |
1911 | if (!card->instantiated) | |
416356fc | 1912 | return 0; |
51737470 MB |
1913 | |
1914 | /* Flush out pmdown_time work - we actually do want to run it | |
1915 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1916 | for (i = 0; i < card->num_rtd; i++) { |
1917 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1918 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1919 | } |
51737470 | 1920 | |
f0fba2ad | 1921 | snd_soc_dapm_shutdown(card); |
416356fc MB |
1922 | |
1923 | return 0; | |
51737470 | 1924 | } |
6f8ab4ac | 1925 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1926 | |
6f8ab4ac | 1927 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1928 | .suspend = snd_soc_suspend, |
1929 | .resume = snd_soc_resume, | |
1930 | .freeze = snd_soc_suspend, | |
1931 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1932 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1933 | .restore = snd_soc_resume, |
416356fc | 1934 | }; |
deb2607e | 1935 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1936 | |
db2a4165 FM |
1937 | /* ASoC platform driver */ |
1938 | static struct platform_driver soc_driver = { | |
1939 | .driver = { | |
1940 | .name = "soc-audio", | |
8b45a209 | 1941 | .owner = THIS_MODULE, |
6f8ab4ac | 1942 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1943 | }, |
1944 | .probe = soc_probe, | |
1945 | .remove = soc_remove, | |
db2a4165 FM |
1946 | }; |
1947 | ||
096e49d5 MB |
1948 | /** |
1949 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
1950 | * | |
1951 | * @codec: CODEC to query. | |
1952 | * @reg: Register to query. | |
1953 | * | |
1954 | * Boolean function indiciating if a CODEC register is volatile. | |
1955 | */ | |
181e055e MB |
1956 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
1957 | unsigned int reg) | |
096e49d5 | 1958 | { |
1500b7b5 DP |
1959 | if (codec->volatile_register) |
1960 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
1961 | else |
1962 | return 0; | |
1963 | } | |
1964 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
1965 | ||
239c9706 DP |
1966 | /** |
1967 | * snd_soc_codec_readable_register: Report if a register is readable. | |
1968 | * | |
1969 | * @codec: CODEC to query. | |
1970 | * @reg: Register to query. | |
1971 | * | |
1972 | * Boolean function indicating if a CODEC register is readable. | |
1973 | */ | |
1974 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
1975 | unsigned int reg) | |
1976 | { | |
1977 | if (codec->readable_register) | |
1978 | return codec->readable_register(codec, reg); | |
1979 | else | |
63fa0a28 | 1980 | return 1; |
239c9706 DP |
1981 | } |
1982 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
1983 | ||
1984 | /** | |
1985 | * snd_soc_codec_writable_register: Report if a register is writable. | |
1986 | * | |
1987 | * @codec: CODEC to query. | |
1988 | * @reg: Register to query. | |
1989 | * | |
1990 | * Boolean function indicating if a CODEC register is writable. | |
1991 | */ | |
1992 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
1993 | unsigned int reg) | |
1994 | { | |
1995 | if (codec->writable_register) | |
1996 | return codec->writable_register(codec, reg); | |
1997 | else | |
63fa0a28 | 1998 | return 1; |
239c9706 DP |
1999 | } |
2000 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2001 | ||
f1442bc1 LG |
2002 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2003 | unsigned int reg) | |
2004 | { | |
2005 | unsigned int ret; | |
2006 | ||
2007 | if (!platform->driver->read) { | |
f110bfc7 | 2008 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2009 | return -1; |
2010 | } | |
2011 | ||
2012 | ret = platform->driver->read(platform, reg); | |
2013 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2014 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2015 | |
2016 | return ret; | |
2017 | } | |
2018 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2019 | ||
2020 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2021 | unsigned int reg, unsigned int val) | |
2022 | { | |
2023 | if (!platform->driver->write) { | |
f110bfc7 | 2024 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2025 | return -1; |
2026 | } | |
2027 | ||
2028 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2029 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2030 | return platform->driver->write(platform, reg, val); |
2031 | } | |
2032 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2033 | ||
db2a4165 FM |
2034 | /** |
2035 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2036 | * @codec: audio codec | |
2037 | * @ops: AC97 bus operations | |
2038 | * @num: AC97 codec number | |
2039 | * | |
2040 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2041 | */ | |
2042 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2043 | struct snd_ac97_bus_ops *ops, int num) | |
2044 | { | |
2045 | mutex_lock(&codec->mutex); | |
2046 | ||
2047 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2048 | if (codec->ac97 == NULL) { | |
2049 | mutex_unlock(&codec->mutex); | |
2050 | return -ENOMEM; | |
2051 | } | |
2052 | ||
2053 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2054 | if (codec->ac97->bus == NULL) { | |
2055 | kfree(codec->ac97); | |
2056 | codec->ac97 = NULL; | |
2057 | mutex_unlock(&codec->mutex); | |
2058 | return -ENOMEM; | |
2059 | } | |
2060 | ||
2061 | codec->ac97->bus->ops = ops; | |
2062 | codec->ac97->num = num; | |
0562f788 MW |
2063 | |
2064 | /* | |
2065 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2066 | * device will be registered with the device subsystem later on. | |
2067 | */ | |
2068 | codec->ac97_created = 1; | |
2069 | ||
db2a4165 FM |
2070 | mutex_unlock(&codec->mutex); |
2071 | return 0; | |
2072 | } | |
2073 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2074 | ||
2075 | /** | |
2076 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2077 | * @codec: audio codec | |
2078 | * | |
2079 | * Frees AC97 codec device resources. | |
2080 | */ | |
2081 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2082 | { | |
2083 | mutex_lock(&codec->mutex); | |
f0fba2ad LG |
2084 | #ifdef CONFIG_SND_SOC_AC97_BUS |
2085 | soc_unregister_ac97_dai_link(codec); | |
2086 | #endif | |
db2a4165 FM |
2087 | kfree(codec->ac97->bus); |
2088 | kfree(codec->ac97); | |
2089 | codec->ac97 = NULL; | |
0562f788 | 2090 | codec->ac97_created = 0; |
db2a4165 FM |
2091 | mutex_unlock(&codec->mutex); |
2092 | } | |
2093 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2094 | ||
c3753707 MB |
2095 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2096 | { | |
2097 | unsigned int ret; | |
2098 | ||
c3acec26 | 2099 | ret = codec->read(codec, reg); |
c3753707 | 2100 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
a8b1d34f | 2101 | trace_snd_soc_reg_read(codec, reg, ret); |
c3753707 MB |
2102 | |
2103 | return ret; | |
2104 | } | |
2105 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2106 | ||
2107 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2108 | unsigned int reg, unsigned int val) | |
2109 | { | |
2110 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
a8b1d34f | 2111 | trace_snd_soc_reg_write(codec, reg, val); |
c3acec26 | 2112 | return codec->write(codec, reg, val); |
c3753707 MB |
2113 | } |
2114 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2115 | ||
5fb609d4 DP |
2116 | unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, |
2117 | unsigned int reg, const void *data, size_t len) | |
2118 | { | |
2119 | return codec->bulk_write_raw(codec, reg, data, len); | |
2120 | } | |
2121 | EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); | |
2122 | ||
db2a4165 FM |
2123 | /** |
2124 | * snd_soc_update_bits - update codec register bits | |
2125 | * @codec: audio codec | |
2126 | * @reg: codec register | |
2127 | * @mask: register mask | |
2128 | * @value: new value | |
2129 | * | |
2130 | * Writes new register value. | |
2131 | * | |
180c329d | 2132 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2133 | */ |
2134 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2135 | unsigned int mask, unsigned int value) |
db2a4165 | 2136 | { |
8a713da8 | 2137 | bool change; |
46f5822f | 2138 | unsigned int old, new; |
180c329d TT |
2139 | int ret; |
2140 | ||
8a713da8 MB |
2141 | if (codec->using_regmap) { |
2142 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2143 | mask, value, &change); | |
2144 | } else { | |
2145 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2146 | if (ret < 0) |
2147 | return ret; | |
8a713da8 MB |
2148 | |
2149 | old = ret; | |
2150 | new = (old & ~mask) | (value & mask); | |
2151 | change = old != new; | |
2152 | if (change) | |
2153 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2154 | } |
db2a4165 | 2155 | |
8a713da8 MB |
2156 | if (ret < 0) |
2157 | return ret; | |
2158 | ||
db2a4165 FM |
2159 | return change; |
2160 | } | |
2161 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2162 | ||
6c508c62 EN |
2163 | /** |
2164 | * snd_soc_update_bits_locked - update codec register bits | |
2165 | * @codec: audio codec | |
2166 | * @reg: codec register | |
2167 | * @mask: register mask | |
2168 | * @value: new value | |
2169 | * | |
2170 | * Writes new register value, and takes the codec mutex. | |
2171 | * | |
2172 | * Returns 1 for change else 0. | |
2173 | */ | |
dd1b3d53 MB |
2174 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2175 | unsigned short reg, unsigned int mask, | |
2176 | unsigned int value) | |
6c508c62 EN |
2177 | { |
2178 | int change; | |
2179 | ||
2180 | mutex_lock(&codec->mutex); | |
2181 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2182 | mutex_unlock(&codec->mutex); | |
2183 | ||
2184 | return change; | |
2185 | } | |
dd1b3d53 | 2186 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2187 | |
db2a4165 FM |
2188 | /** |
2189 | * snd_soc_test_bits - test register for change | |
2190 | * @codec: audio codec | |
2191 | * @reg: codec register | |
2192 | * @mask: register mask | |
2193 | * @value: new value | |
2194 | * | |
2195 | * Tests a register with a new value and checks if the new value is | |
2196 | * different from the old value. | |
2197 | * | |
2198 | * Returns 1 for change else 0. | |
2199 | */ | |
2200 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2201 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2202 | { |
2203 | int change; | |
46f5822f | 2204 | unsigned int old, new; |
db2a4165 | 2205 | |
db2a4165 FM |
2206 | old = snd_soc_read(codec, reg); |
2207 | new = (old & ~mask) | value; | |
2208 | change = old != new; | |
db2a4165 FM |
2209 | |
2210 | return change; | |
2211 | } | |
2212 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2213 | ||
db2a4165 FM |
2214 | /** |
2215 | * snd_soc_set_runtime_hwparams - set the runtime hardware parameters | |
2216 | * @substream: the pcm substream | |
2217 | * @hw: the hardware parameters | |
2218 | * | |
2219 | * Sets the substream runtime hardware parameters. | |
2220 | */ | |
2221 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, | |
2222 | const struct snd_pcm_hardware *hw) | |
2223 | { | |
2224 | struct snd_pcm_runtime *runtime = substream->runtime; | |
2225 | runtime->hw.info = hw->info; | |
2226 | runtime->hw.formats = hw->formats; | |
2227 | runtime->hw.period_bytes_min = hw->period_bytes_min; | |
2228 | runtime->hw.period_bytes_max = hw->period_bytes_max; | |
2229 | runtime->hw.periods_min = hw->periods_min; | |
2230 | runtime->hw.periods_max = hw->periods_max; | |
2231 | runtime->hw.buffer_bytes_max = hw->buffer_bytes_max; | |
2232 | runtime->hw.fifo_size = hw->fifo_size; | |
2233 | return 0; | |
2234 | } | |
2235 | EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); | |
2236 | ||
2237 | /** | |
2238 | * snd_soc_cnew - create new control | |
2239 | * @_template: control template | |
2240 | * @data: control private data | |
ac11a2b3 | 2241 | * @long_name: control long name |
efb7ac3f | 2242 | * @prefix: control name prefix |
db2a4165 FM |
2243 | * |
2244 | * Create a new mixer control from a template control. | |
2245 | * | |
2246 | * Returns 0 for success, else error. | |
2247 | */ | |
2248 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2249 | void *data, const char *long_name, |
efb7ac3f | 2250 | const char *prefix) |
db2a4165 FM |
2251 | { |
2252 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2253 | struct snd_kcontrol *kcontrol; |
2254 | char *name = NULL; | |
2255 | int name_len; | |
db2a4165 FM |
2256 | |
2257 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2258 | template.index = 0; |
2259 | ||
efb7ac3f MB |
2260 | if (!long_name) |
2261 | long_name = template.name; | |
2262 | ||
2263 | if (prefix) { | |
2264 | name_len = strlen(long_name) + strlen(prefix) + 2; | |
57cf9d45 | 2265 | name = kmalloc(name_len, GFP_KERNEL); |
efb7ac3f MB |
2266 | if (!name) |
2267 | return NULL; | |
2268 | ||
2269 | snprintf(name, name_len, "%s %s", prefix, long_name); | |
2270 | ||
2271 | template.name = name; | |
2272 | } else { | |
2273 | template.name = long_name; | |
2274 | } | |
2275 | ||
2276 | kcontrol = snd_ctl_new1(&template, data); | |
2277 | ||
2278 | kfree(name); | |
2279 | ||
2280 | return kcontrol; | |
db2a4165 FM |
2281 | } |
2282 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2283 | ||
022658be LG |
2284 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2285 | const struct snd_kcontrol_new *controls, int num_controls, | |
2286 | const char *prefix, void *data) | |
2287 | { | |
2288 | int err, i; | |
2289 | ||
2290 | for (i = 0; i < num_controls; i++) { | |
2291 | const struct snd_kcontrol_new *control = &controls[i]; | |
2292 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2293 | control->name, prefix)); | |
2294 | if (err < 0) { | |
f110bfc7 LG |
2295 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2296 | control->name, err); | |
022658be LG |
2297 | return err; |
2298 | } | |
2299 | } | |
2300 | ||
2301 | return 0; | |
2302 | } | |
2303 | ||
3e8e1952 | 2304 | /** |
022658be LG |
2305 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2306 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2307 | * duplicating this code. |
2308 | * | |
2309 | * @codec: codec to add controls to | |
2310 | * @controls: array of controls to add | |
2311 | * @num_controls: number of elements in the array | |
2312 | * | |
2313 | * Return 0 for success, else error. | |
2314 | */ | |
022658be | 2315 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2316 | const struct snd_kcontrol_new *controls, int num_controls) |
2317 | { | |
f0fba2ad | 2318 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2319 | |
022658be LG |
2320 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2321 | codec->name_prefix, codec); | |
3e8e1952 | 2322 | } |
022658be | 2323 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2324 | |
a491a5c8 LG |
2325 | /** |
2326 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2327 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2328 | * |
2329 | * @platform: platform to add controls to | |
2330 | * @controls: array of controls to add | |
2331 | * @num_controls: number of elements in the array | |
2332 | * | |
2333 | * Return 0 for success, else error. | |
2334 | */ | |
2335 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2336 | const struct snd_kcontrol_new *controls, int num_controls) | |
2337 | { | |
2338 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2339 | |
022658be LG |
2340 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2341 | NULL, platform); | |
a491a5c8 LG |
2342 | } |
2343 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2344 | ||
022658be LG |
2345 | /** |
2346 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2347 | * Convenience function to add a list of controls. | |
2348 | * | |
2349 | * @soc_card: SoC card to add controls to | |
2350 | * @controls: array of controls to add | |
2351 | * @num_controls: number of elements in the array | |
2352 | * | |
2353 | * Return 0 for success, else error. | |
2354 | */ | |
2355 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2356 | const struct snd_kcontrol_new *controls, int num_controls) | |
2357 | { | |
2358 | struct snd_card *card = soc_card->snd_card; | |
2359 | ||
2360 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2361 | NULL, soc_card); | |
2362 | } | |
2363 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2364 | ||
2365 | /** | |
2366 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2367 | * Convienience function to add a list of controls. | |
2368 | * | |
2369 | * @dai: DAI to add controls to | |
2370 | * @controls: array of controls to add | |
2371 | * @num_controls: number of elements in the array | |
2372 | * | |
2373 | * Return 0 for success, else error. | |
2374 | */ | |
2375 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2376 | const struct snd_kcontrol_new *controls, int num_controls) | |
2377 | { | |
2378 | struct snd_card *card = dai->card->snd_card; | |
2379 | ||
2380 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2381 | NULL, dai); | |
2382 | } | |
2383 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2384 | ||
db2a4165 FM |
2385 | /** |
2386 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2387 | * @kcontrol: mixer control | |
2388 | * @uinfo: control element information | |
2389 | * | |
2390 | * Callback to provide information about a double enumerated | |
2391 | * mixer control. | |
2392 | * | |
2393 | * Returns 0 for success. | |
2394 | */ | |
2395 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2396 | struct snd_ctl_elem_info *uinfo) | |
2397 | { | |
2398 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2399 | ||
2400 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2401 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
f8ba0b7b | 2402 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2403 | |
f8ba0b7b JS |
2404 | if (uinfo->value.enumerated.item > e->max - 1) |
2405 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2406 | strcpy(uinfo->value.enumerated.name, |
2407 | e->texts[uinfo->value.enumerated.item]); | |
2408 | return 0; | |
2409 | } | |
2410 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2411 | ||
2412 | /** | |
2413 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2414 | * @kcontrol: mixer control | |
ac11a2b3 | 2415 | * @ucontrol: control element information |
db2a4165 FM |
2416 | * |
2417 | * Callback to get the value of a double enumerated mixer. | |
2418 | * | |
2419 | * Returns 0 for success. | |
2420 | */ | |
2421 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2422 | struct snd_ctl_elem_value *ucontrol) | |
2423 | { | |
2424 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2425 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
86767b7d | 2426 | unsigned int val; |
db2a4165 | 2427 | |
db2a4165 | 2428 | val = snd_soc_read(codec, e->reg); |
3ff3f64b | 2429 | ucontrol->value.enumerated.item[0] |
86767b7d | 2430 | = (val >> e->shift_l) & e->mask; |
db2a4165 FM |
2431 | if (e->shift_l != e->shift_r) |
2432 | ucontrol->value.enumerated.item[1] = | |
86767b7d | 2433 | (val >> e->shift_r) & e->mask; |
db2a4165 FM |
2434 | |
2435 | return 0; | |
2436 | } | |
2437 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2438 | ||
2439 | /** | |
2440 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2441 | * @kcontrol: mixer control | |
ac11a2b3 | 2442 | * @ucontrol: control element information |
db2a4165 FM |
2443 | * |
2444 | * Callback to set the value of a double enumerated mixer. | |
2445 | * | |
2446 | * Returns 0 for success. | |
2447 | */ | |
2448 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2449 | struct snd_ctl_elem_value *ucontrol) | |
2450 | { | |
2451 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2452 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
46f5822f | 2453 | unsigned int val; |
86767b7d | 2454 | unsigned int mask; |
db2a4165 | 2455 | |
f8ba0b7b | 2456 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
db2a4165 FM |
2457 | return -EINVAL; |
2458 | val = ucontrol->value.enumerated.item[0] << e->shift_l; | |
86767b7d | 2459 | mask = e->mask << e->shift_l; |
db2a4165 | 2460 | if (e->shift_l != e->shift_r) { |
f8ba0b7b | 2461 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
db2a4165 FM |
2462 | return -EINVAL; |
2463 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; | |
86767b7d | 2464 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2465 | } |
2466 | ||
6c508c62 | 2467 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2468 | } |
2469 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2470 | ||
2e72f8e3 PU |
2471 | /** |
2472 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback | |
2473 | * @kcontrol: mixer control | |
2474 | * @ucontrol: control element information | |
2475 | * | |
2476 | * Callback to get the value of a double semi enumerated mixer. | |
2477 | * | |
2478 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2479 | * used for handling bitfield coded enumeration for example. | |
2480 | * | |
2481 | * Returns 0 for success. | |
2482 | */ | |
2483 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, | |
2484 | struct snd_ctl_elem_value *ucontrol) | |
2485 | { | |
2486 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2487 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f | 2488 | unsigned int reg_val, val, mux; |
2e72f8e3 PU |
2489 | |
2490 | reg_val = snd_soc_read(codec, e->reg); | |
2491 | val = (reg_val >> e->shift_l) & e->mask; | |
2492 | for (mux = 0; mux < e->max; mux++) { | |
2493 | if (val == e->values[mux]) | |
2494 | break; | |
2495 | } | |
2496 | ucontrol->value.enumerated.item[0] = mux; | |
2497 | if (e->shift_l != e->shift_r) { | |
2498 | val = (reg_val >> e->shift_r) & e->mask; | |
2499 | for (mux = 0; mux < e->max; mux++) { | |
2500 | if (val == e->values[mux]) | |
2501 | break; | |
2502 | } | |
2503 | ucontrol->value.enumerated.item[1] = mux; | |
2504 | } | |
2505 | ||
2506 | return 0; | |
2507 | } | |
2508 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); | |
2509 | ||
2510 | /** | |
2511 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback | |
2512 | * @kcontrol: mixer control | |
2513 | * @ucontrol: control element information | |
2514 | * | |
2515 | * Callback to set the value of a double semi enumerated mixer. | |
2516 | * | |
2517 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2518 | * used for handling bitfield coded enumeration for example. | |
2519 | * | |
2520 | * Returns 0 for success. | |
2521 | */ | |
2522 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, | |
2523 | struct snd_ctl_elem_value *ucontrol) | |
2524 | { | |
2525 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2526 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f DR |
2527 | unsigned int val; |
2528 | unsigned int mask; | |
2e72f8e3 PU |
2529 | |
2530 | if (ucontrol->value.enumerated.item[0] > e->max - 1) | |
2531 | return -EINVAL; | |
2532 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; | |
2533 | mask = e->mask << e->shift_l; | |
2534 | if (e->shift_l != e->shift_r) { | |
2535 | if (ucontrol->value.enumerated.item[1] > e->max - 1) | |
2536 | return -EINVAL; | |
2537 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; | |
2538 | mask |= e->mask << e->shift_r; | |
2539 | } | |
2540 | ||
6c508c62 | 2541 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
2e72f8e3 PU |
2542 | } |
2543 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); | |
2544 | ||
db2a4165 FM |
2545 | /** |
2546 | * snd_soc_info_enum_ext - external enumerated single mixer info callback | |
2547 | * @kcontrol: mixer control | |
2548 | * @uinfo: control element information | |
2549 | * | |
2550 | * Callback to provide information about an external enumerated | |
2551 | * single mixer. | |
2552 | * | |
2553 | * Returns 0 for success. | |
2554 | */ | |
2555 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, | |
2556 | struct snd_ctl_elem_info *uinfo) | |
2557 | { | |
2558 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2559 | ||
2560 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2561 | uinfo->count = 1; | |
f8ba0b7b | 2562 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2563 | |
f8ba0b7b JS |
2564 | if (uinfo->value.enumerated.item > e->max - 1) |
2565 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2566 | strcpy(uinfo->value.enumerated.name, |
2567 | e->texts[uinfo->value.enumerated.item]); | |
2568 | return 0; | |
2569 | } | |
2570 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); | |
2571 | ||
2572 | /** | |
2573 | * snd_soc_info_volsw_ext - external single mixer info callback | |
2574 | * @kcontrol: mixer control | |
2575 | * @uinfo: control element information | |
2576 | * | |
2577 | * Callback to provide information about a single external mixer control. | |
2578 | * | |
2579 | * Returns 0 for success. | |
2580 | */ | |
2581 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, | |
2582 | struct snd_ctl_elem_info *uinfo) | |
2583 | { | |
a7a4ac86 PZ |
2584 | int max = kcontrol->private_value; |
2585 | ||
fd5dfad9 | 2586 | if (max == 1 && !strstr(kcontrol->id.name, " Volume")) |
a7a4ac86 PZ |
2587 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2588 | else | |
2589 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
db2a4165 | 2590 | |
db2a4165 FM |
2591 | uinfo->count = 1; |
2592 | uinfo->value.integer.min = 0; | |
a7a4ac86 | 2593 | uinfo->value.integer.max = max; |
db2a4165 FM |
2594 | return 0; |
2595 | } | |
2596 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); | |
2597 | ||
db2a4165 FM |
2598 | /** |
2599 | * snd_soc_info_volsw - single mixer info callback | |
2600 | * @kcontrol: mixer control | |
2601 | * @uinfo: control element information | |
2602 | * | |
e8f5a103 PU |
2603 | * Callback to provide information about a single mixer control, or a double |
2604 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2605 | * |
2606 | * Returns 0 for success. | |
2607 | */ | |
2608 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2609 | struct snd_ctl_elem_info *uinfo) | |
2610 | { | |
4eaa9819 JS |
2611 | struct soc_mixer_control *mc = |
2612 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2613 | int platform_max; |
db2a4165 | 2614 | |
d11bb4a9 PU |
2615 | if (!mc->platform_max) |
2616 | mc->platform_max = mc->max; | |
2617 | platform_max = mc->platform_max; | |
2618 | ||
2619 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2620 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2621 | else | |
2622 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2623 | ||
e8f5a103 | 2624 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2625 | uinfo->value.integer.min = 0; |
d11bb4a9 | 2626 | uinfo->value.integer.max = platform_max; |
db2a4165 FM |
2627 | return 0; |
2628 | } | |
2629 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2630 | ||
2631 | /** | |
2632 | * snd_soc_get_volsw - single mixer get callback | |
2633 | * @kcontrol: mixer control | |
ac11a2b3 | 2634 | * @ucontrol: control element information |
db2a4165 | 2635 | * |
f7915d99 PU |
2636 | * Callback to get the value of a single mixer control, or a double mixer |
2637 | * control that spans 2 registers. | |
db2a4165 FM |
2638 | * |
2639 | * Returns 0 for success. | |
2640 | */ | |
2641 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2642 | struct snd_ctl_elem_value *ucontrol) | |
2643 | { | |
4eaa9819 JS |
2644 | struct soc_mixer_control *mc = |
2645 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2646 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2647 | unsigned int reg = mc->reg; |
f7915d99 | 2648 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2649 | unsigned int shift = mc->shift; |
2650 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2651 | int max = mc->max; |
815ecf8d JS |
2652 | unsigned int mask = (1 << fls(max)) - 1; |
2653 | unsigned int invert = mc->invert; | |
db2a4165 FM |
2654 | |
2655 | ucontrol->value.integer.value[0] = | |
2656 | (snd_soc_read(codec, reg) >> shift) & mask; | |
f7915d99 | 2657 | if (invert) |
db2a4165 | 2658 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2659 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2660 | |
2661 | if (snd_soc_volsw_is_stereo(mc)) { | |
2662 | if (reg == reg2) | |
2663 | ucontrol->value.integer.value[1] = | |
2664 | (snd_soc_read(codec, reg) >> rshift) & mask; | |
2665 | else | |
2666 | ucontrol->value.integer.value[1] = | |
2667 | (snd_soc_read(codec, reg2) >> shift) & mask; | |
2668 | if (invert) | |
db2a4165 | 2669 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2670 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2671 | } |
2672 | ||
2673 | return 0; | |
2674 | } | |
2675 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2676 | ||
2677 | /** | |
2678 | * snd_soc_put_volsw - single mixer put callback | |
2679 | * @kcontrol: mixer control | |
ac11a2b3 | 2680 | * @ucontrol: control element information |
db2a4165 | 2681 | * |
974815ba PU |
2682 | * Callback to set the value of a single mixer control, or a double mixer |
2683 | * control that spans 2 registers. | |
db2a4165 FM |
2684 | * |
2685 | * Returns 0 for success. | |
2686 | */ | |
2687 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2688 | struct snd_ctl_elem_value *ucontrol) | |
2689 | { | |
4eaa9819 JS |
2690 | struct soc_mixer_control *mc = |
2691 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2692 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2693 | unsigned int reg = mc->reg; |
974815ba | 2694 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2695 | unsigned int shift = mc->shift; |
2696 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2697 | int max = mc->max; |
815ecf8d JS |
2698 | unsigned int mask = (1 << fls(max)) - 1; |
2699 | unsigned int invert = mc->invert; | |
974815ba PU |
2700 | int err; |
2701 | bool type_2r = 0; | |
2702 | unsigned int val2 = 0; | |
2703 | unsigned int val, val_mask; | |
db2a4165 FM |
2704 | |
2705 | val = (ucontrol->value.integer.value[0] & mask); | |
2706 | if (invert) | |
a7a4ac86 | 2707 | val = max - val; |
db2a4165 FM |
2708 | val_mask = mask << shift; |
2709 | val = val << shift; | |
974815ba | 2710 | if (snd_soc_volsw_is_stereo(mc)) { |
db2a4165 FM |
2711 | val2 = (ucontrol->value.integer.value[1] & mask); |
2712 | if (invert) | |
a7a4ac86 | 2713 | val2 = max - val2; |
974815ba PU |
2714 | if (reg == reg2) { |
2715 | val_mask |= mask << rshift; | |
2716 | val |= val2 << rshift; | |
2717 | } else { | |
2718 | val2 = val2 << shift; | |
2719 | type_2r = 1; | |
2720 | } | |
db2a4165 | 2721 | } |
6c508c62 | 2722 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2723 | if (err < 0) |
db2a4165 FM |
2724 | return err; |
2725 | ||
974815ba PU |
2726 | if (type_2r) |
2727 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2728 | ||
db2a4165 FM |
2729 | return err; |
2730 | } | |
974815ba | 2731 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2732 | |
1d99f243 BA |
2733 | /** |
2734 | * snd_soc_get_volsw_sx - single mixer get callback | |
2735 | * @kcontrol: mixer control | |
2736 | * @ucontrol: control element information | |
2737 | * | |
2738 | * Callback to get the value of a single mixer control, or a double mixer | |
2739 | * control that spans 2 registers. | |
2740 | * | |
2741 | * Returns 0 for success. | |
2742 | */ | |
2743 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2744 | struct snd_ctl_elem_value *ucontrol) | |
2745 | { | |
2746 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2747 | struct soc_mixer_control *mc = | |
2748 | (struct soc_mixer_control *)kcontrol->private_value; | |
2749 | ||
2750 | unsigned int reg = mc->reg; | |
2751 | unsigned int reg2 = mc->rreg; | |
2752 | unsigned int shift = mc->shift; | |
2753 | unsigned int rshift = mc->rshift; | |
2754 | int max = mc->max; | |
2755 | int min = mc->min; | |
2756 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2757 | ||
2758 | ucontrol->value.integer.value[0] = | |
2759 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2760 | ||
2761 | if (snd_soc_volsw_is_stereo(mc)) | |
2762 | ucontrol->value.integer.value[1] = | |
2763 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2764 | ||
2765 | return 0; | |
2766 | } | |
2767 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2768 | ||
2769 | /** | |
2770 | * snd_soc_put_volsw_sx - double mixer set callback | |
2771 | * @kcontrol: mixer control | |
2772 | * @uinfo: control element information | |
2773 | * | |
2774 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2775 | * | |
2776 | * Returns 0 for success. | |
2777 | */ | |
2778 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2779 | struct snd_ctl_elem_value *ucontrol) | |
2780 | { | |
2781 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2782 | struct soc_mixer_control *mc = | |
2783 | (struct soc_mixer_control *)kcontrol->private_value; | |
2784 | ||
2785 | unsigned int reg = mc->reg; | |
2786 | unsigned int reg2 = mc->rreg; | |
2787 | unsigned int shift = mc->shift; | |
2788 | unsigned int rshift = mc->rshift; | |
2789 | int max = mc->max; | |
2790 | int min = mc->min; | |
2791 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2792 | int err = 0; |
1d99f243 BA |
2793 | unsigned short val, val_mask, val2 = 0; |
2794 | ||
2795 | val_mask = mask << shift; | |
2796 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2797 | val = val << shift; | |
2798 | ||
d055852e MN |
2799 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2800 | if (err < 0) | |
2801 | return err; | |
1d99f243 BA |
2802 | |
2803 | if (snd_soc_volsw_is_stereo(mc)) { | |
2804 | val_mask = mask << rshift; | |
2805 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2806 | val2 = val2 << rshift; | |
2807 | ||
2808 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2809 | return err; | |
2810 | } | |
2811 | return 0; | |
2812 | } | |
2813 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2814 | ||
e13ac2e9 MB |
2815 | /** |
2816 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2817 | * @kcontrol: mixer control | |
2818 | * @uinfo: control element information | |
2819 | * | |
2820 | * Callback to provide information about a signed mixer control. | |
2821 | * | |
2822 | * Returns 0 for success. | |
2823 | */ | |
2824 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2825 | struct snd_ctl_elem_info *uinfo) | |
2826 | { | |
4eaa9819 JS |
2827 | struct soc_mixer_control *mc = |
2828 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2829 | int platform_max; |
4eaa9819 | 2830 | int min = mc->min; |
e13ac2e9 | 2831 | |
d11bb4a9 PU |
2832 | if (!mc->platform_max) |
2833 | mc->platform_max = mc->max; | |
2834 | platform_max = mc->platform_max; | |
2835 | ||
e13ac2e9 MB |
2836 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2837 | uinfo->count = 2; | |
2838 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2839 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2840 | return 0; |
2841 | } | |
2842 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2843 | ||
2844 | /** | |
2845 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2846 | * @kcontrol: mixer control | |
ac11a2b3 | 2847 | * @ucontrol: control element information |
e13ac2e9 MB |
2848 | * |
2849 | * Callback to get the value of a signed mixer control. | |
2850 | * | |
2851 | * Returns 0 for success. | |
2852 | */ | |
2853 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2854 | struct snd_ctl_elem_value *ucontrol) | |
2855 | { | |
4eaa9819 JS |
2856 | struct soc_mixer_control *mc = |
2857 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2858 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2859 | unsigned int reg = mc->reg; |
4eaa9819 | 2860 | int min = mc->min; |
e13ac2e9 MB |
2861 | int val = snd_soc_read(codec, reg); |
2862 | ||
2863 | ucontrol->value.integer.value[0] = | |
2864 | ((signed char)(val & 0xff))-min; | |
2865 | ucontrol->value.integer.value[1] = | |
2866 | ((signed char)((val >> 8) & 0xff))-min; | |
2867 | return 0; | |
2868 | } | |
2869 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2870 | ||
2871 | /** | |
2872 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2873 | * @kcontrol: mixer control | |
ac11a2b3 | 2874 | * @ucontrol: control element information |
e13ac2e9 MB |
2875 | * |
2876 | * Callback to set the value of a signed mixer control. | |
2877 | * | |
2878 | * Returns 0 for success. | |
2879 | */ | |
2880 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2881 | struct snd_ctl_elem_value *ucontrol) | |
2882 | { | |
4eaa9819 JS |
2883 | struct soc_mixer_control *mc = |
2884 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2885 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2886 | unsigned int reg = mc->reg; |
4eaa9819 | 2887 | int min = mc->min; |
46f5822f | 2888 | unsigned int val; |
e13ac2e9 MB |
2889 | |
2890 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2891 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2892 | ||
6c508c62 | 2893 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
2894 | } |
2895 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2896 | ||
6c9d8cf6 AT |
2897 | /** |
2898 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2899 | * @kcontrol: mixer control | |
2900 | * @uinfo: control element information | |
2901 | * | |
2902 | * Callback to provide information, within a range, about a single | |
2903 | * mixer control. | |
2904 | * | |
2905 | * returns 0 for success. | |
2906 | */ | |
2907 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2908 | struct snd_ctl_elem_info *uinfo) | |
2909 | { | |
2910 | struct soc_mixer_control *mc = | |
2911 | (struct soc_mixer_control *)kcontrol->private_value; | |
2912 | int platform_max; | |
2913 | int min = mc->min; | |
2914 | ||
2915 | if (!mc->platform_max) | |
2916 | mc->platform_max = mc->max; | |
2917 | platform_max = mc->platform_max; | |
2918 | ||
2919 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2920 | uinfo->count = 1; | |
2921 | uinfo->value.integer.min = 0; | |
2922 | uinfo->value.integer.max = platform_max - min; | |
2923 | ||
2924 | return 0; | |
2925 | } | |
2926 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2927 | ||
2928 | /** | |
2929 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2930 | * @kcontrol: mixer control | |
2931 | * @ucontrol: control element information | |
2932 | * | |
2933 | * Callback to set the value, within a range, for a single mixer control. | |
2934 | * | |
2935 | * Returns 0 for success. | |
2936 | */ | |
2937 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2938 | struct snd_ctl_elem_value *ucontrol) | |
2939 | { | |
2940 | struct soc_mixer_control *mc = | |
2941 | (struct soc_mixer_control *)kcontrol->private_value; | |
2942 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2943 | unsigned int reg = mc->reg; | |
2944 | unsigned int shift = mc->shift; | |
2945 | int min = mc->min; | |
2946 | int max = mc->max; | |
2947 | unsigned int mask = (1 << fls(max)) - 1; | |
2948 | unsigned int invert = mc->invert; | |
2949 | unsigned int val, val_mask; | |
2950 | ||
2951 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
2952 | if (invert) | |
2953 | val = max - val; | |
2954 | val_mask = mask << shift; | |
2955 | val = val << shift; | |
2956 | ||
2957 | return snd_soc_update_bits_locked(codec, reg, val_mask, val); | |
2958 | } | |
2959 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
2960 | ||
2961 | /** | |
2962 | * snd_soc_get_volsw_range - single mixer get callback with range | |
2963 | * @kcontrol: mixer control | |
2964 | * @ucontrol: control element information | |
2965 | * | |
2966 | * Callback to get the value, within a range, of a single mixer control. | |
2967 | * | |
2968 | * Returns 0 for success. | |
2969 | */ | |
2970 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
2971 | struct snd_ctl_elem_value *ucontrol) | |
2972 | { | |
2973 | struct soc_mixer_control *mc = | |
2974 | (struct soc_mixer_control *)kcontrol->private_value; | |
2975 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2976 | unsigned int reg = mc->reg; | |
2977 | unsigned int shift = mc->shift; | |
2978 | int min = mc->min; | |
2979 | int max = mc->max; | |
2980 | unsigned int mask = (1 << fls(max)) - 1; | |
2981 | unsigned int invert = mc->invert; | |
2982 | ||
2983 | ucontrol->value.integer.value[0] = | |
2984 | (snd_soc_read(codec, reg) >> shift) & mask; | |
2985 | if (invert) | |
2986 | ucontrol->value.integer.value[0] = | |
2987 | max - ucontrol->value.integer.value[0]; | |
2988 | ucontrol->value.integer.value[0] = | |
2989 | ucontrol->value.integer.value[0] - min; | |
2990 | ||
2991 | return 0; | |
2992 | } | |
2993 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
2994 | ||
637d3847 PU |
2995 | /** |
2996 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
2997 | * | |
2998 | * @codec: where to look for the control | |
2999 | * @name: Name of the control | |
3000 | * @max: new maximum limit | |
3001 | * | |
3002 | * Return 0 for success, else error. | |
3003 | */ | |
3004 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3005 | const char *name, int max) | |
3006 | { | |
f0fba2ad | 3007 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3008 | struct snd_kcontrol *kctl; |
3009 | struct soc_mixer_control *mc; | |
3010 | int found = 0; | |
3011 | int ret = -EINVAL; | |
3012 | ||
3013 | /* Sanity check for name and max */ | |
3014 | if (unlikely(!name || max <= 0)) | |
3015 | return -EINVAL; | |
3016 | ||
3017 | list_for_each_entry(kctl, &card->controls, list) { | |
3018 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3019 | found = 1; | |
3020 | break; | |
3021 | } | |
3022 | } | |
3023 | if (found) { | |
3024 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3025 | if (max <= mc->max) { | |
d11bb4a9 | 3026 | mc->platform_max = max; |
637d3847 PU |
3027 | ret = 0; |
3028 | } | |
3029 | } | |
3030 | return ret; | |
3031 | } | |
3032 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3033 | ||
71d08516 MB |
3034 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3035 | struct snd_ctl_elem_info *uinfo) | |
3036 | { | |
3037 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3038 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3039 | ||
3040 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3041 | uinfo->count = params->num_regs * codec->val_bytes; | |
3042 | ||
3043 | return 0; | |
3044 | } | |
3045 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3046 | ||
3047 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3048 | struct snd_ctl_elem_value *ucontrol) | |
3049 | { | |
3050 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3051 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3052 | int ret; | |
3053 | ||
3054 | if (codec->using_regmap) | |
3055 | ret = regmap_raw_read(codec->control_data, params->base, | |
3056 | ucontrol->value.bytes.data, | |
3057 | params->num_regs * codec->val_bytes); | |
3058 | else | |
3059 | ret = -EINVAL; | |
3060 | ||
f831b055 MB |
3061 | /* Hide any masked bytes to ensure consistent data reporting */ |
3062 | if (ret == 0 && params->mask) { | |
3063 | switch (codec->val_bytes) { | |
3064 | case 1: | |
3065 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3066 | break; | |
3067 | case 2: | |
3068 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
3069 | &= ~params->mask; | |
3070 | break; | |
3071 | case 4: | |
3072 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
3073 | &= ~params->mask; | |
3074 | break; | |
3075 | default: | |
3076 | return -EINVAL; | |
3077 | } | |
3078 | } | |
3079 | ||
71d08516 MB |
3080 | return ret; |
3081 | } | |
3082 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3083 | ||
3084 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3085 | struct snd_ctl_elem_value *ucontrol) | |
3086 | { | |
3087 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3088 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 MB |
3089 | int ret, len; |
3090 | unsigned int val; | |
3091 | void *data; | |
71d08516 | 3092 | |
f831b055 MB |
3093 | if (!codec->using_regmap) |
3094 | return -EINVAL; | |
3095 | ||
3096 | data = ucontrol->value.bytes.data; | |
3097 | len = params->num_regs * codec->val_bytes; | |
3098 | ||
3099 | /* | |
3100 | * If we've got a mask then we need to preserve the register | |
3101 | * bits. We shouldn't modify the incoming data so take a | |
3102 | * copy. | |
3103 | */ | |
3104 | if (params->mask) { | |
3105 | ret = regmap_read(codec->control_data, params->base, &val); | |
3106 | if (ret != 0) | |
3107 | return ret; | |
3108 | ||
3109 | val &= params->mask; | |
3110 | ||
3111 | data = kmemdup(data, len, GFP_KERNEL); | |
3112 | if (!data) | |
3113 | return -ENOMEM; | |
3114 | ||
3115 | switch (codec->val_bytes) { | |
3116 | case 1: | |
3117 | ((u8 *)data)[0] &= ~params->mask; | |
3118 | ((u8 *)data)[0] |= val; | |
3119 | break; | |
3120 | case 2: | |
3121 | ((u16 *)data)[0] &= cpu_to_be16(~params->mask); | |
3122 | ((u16 *)data)[0] |= cpu_to_be16(val); | |
3123 | break; | |
3124 | case 4: | |
3125 | ((u32 *)data)[0] &= cpu_to_be32(~params->mask); | |
3126 | ((u32 *)data)[0] |= cpu_to_be32(val); | |
3127 | break; | |
3128 | default: | |
3129 | return -EINVAL; | |
3130 | } | |
3131 | } | |
3132 | ||
3133 | ret = regmap_raw_write(codec->control_data, params->base, | |
3134 | data, len); | |
3135 | ||
3136 | if (params->mask) | |
3137 | kfree(data); | |
71d08516 MB |
3138 | |
3139 | return ret; | |
3140 | } | |
3141 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3142 | ||
4183eed2 KK |
3143 | /** |
3144 | * snd_soc_info_xr_sx - signed multi register info callback | |
3145 | * @kcontrol: mreg control | |
3146 | * @uinfo: control element information | |
3147 | * | |
3148 | * Callback to provide information of a control that can | |
3149 | * span multiple codec registers which together | |
3150 | * forms a single signed value in a MSB/LSB manner. | |
3151 | * | |
3152 | * Returns 0 for success. | |
3153 | */ | |
3154 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3155 | struct snd_ctl_elem_info *uinfo) | |
3156 | { | |
3157 | struct soc_mreg_control *mc = | |
3158 | (struct soc_mreg_control *)kcontrol->private_value; | |
3159 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3160 | uinfo->count = 1; | |
3161 | uinfo->value.integer.min = mc->min; | |
3162 | uinfo->value.integer.max = mc->max; | |
3163 | ||
3164 | return 0; | |
3165 | } | |
3166 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3167 | ||
3168 | /** | |
3169 | * snd_soc_get_xr_sx - signed multi register get callback | |
3170 | * @kcontrol: mreg control | |
3171 | * @ucontrol: control element information | |
3172 | * | |
3173 | * Callback to get the value of a control that can span | |
3174 | * multiple codec registers which together forms a single | |
3175 | * signed value in a MSB/LSB manner. The control supports | |
3176 | * specifying total no of bits used to allow for bitfields | |
3177 | * across the multiple codec registers. | |
3178 | * | |
3179 | * Returns 0 for success. | |
3180 | */ | |
3181 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3182 | struct snd_ctl_elem_value *ucontrol) | |
3183 | { | |
3184 | struct soc_mreg_control *mc = | |
3185 | (struct soc_mreg_control *)kcontrol->private_value; | |
3186 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3187 | unsigned int regbase = mc->regbase; | |
3188 | unsigned int regcount = mc->regcount; | |
3189 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3190 | unsigned int regwmask = (1<<regwshift)-1; | |
3191 | unsigned int invert = mc->invert; | |
3192 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3193 | long min = mc->min; | |
3194 | long max = mc->max; | |
3195 | long val = 0; | |
3196 | unsigned long regval; | |
3197 | unsigned int i; | |
3198 | ||
3199 | for (i = 0; i < regcount; i++) { | |
3200 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3201 | val |= regval << (regwshift*(regcount-i-1)); | |
3202 | } | |
3203 | val &= mask; | |
3204 | if (min < 0 && val > max) | |
3205 | val |= ~mask; | |
3206 | if (invert) | |
3207 | val = max - val; | |
3208 | ucontrol->value.integer.value[0] = val; | |
3209 | ||
3210 | return 0; | |
3211 | } | |
3212 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3213 | ||
3214 | /** | |
3215 | * snd_soc_put_xr_sx - signed multi register get callback | |
3216 | * @kcontrol: mreg control | |
3217 | * @ucontrol: control element information | |
3218 | * | |
3219 | * Callback to set the value of a control that can span | |
3220 | * multiple codec registers which together forms a single | |
3221 | * signed value in a MSB/LSB manner. The control supports | |
3222 | * specifying total no of bits used to allow for bitfields | |
3223 | * across the multiple codec registers. | |
3224 | * | |
3225 | * Returns 0 for success. | |
3226 | */ | |
3227 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3228 | struct snd_ctl_elem_value *ucontrol) | |
3229 | { | |
3230 | struct soc_mreg_control *mc = | |
3231 | (struct soc_mreg_control *)kcontrol->private_value; | |
3232 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3233 | unsigned int regbase = mc->regbase; | |
3234 | unsigned int regcount = mc->regcount; | |
3235 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3236 | unsigned int regwmask = (1<<regwshift)-1; | |
3237 | unsigned int invert = mc->invert; | |
3238 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3239 | long max = mc->max; |
3240 | long val = ucontrol->value.integer.value[0]; | |
3241 | unsigned int i, regval, regmask; | |
3242 | int err; | |
3243 | ||
3244 | if (invert) | |
3245 | val = max - val; | |
3246 | val &= mask; | |
3247 | for (i = 0; i < regcount; i++) { | |
3248 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3249 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3250 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3251 | regmask, regval); | |
3252 | if (err < 0) | |
3253 | return err; | |
3254 | } | |
3255 | ||
3256 | return 0; | |
3257 | } | |
3258 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3259 | ||
dd7b10b3 KK |
3260 | /** |
3261 | * snd_soc_get_strobe - strobe get callback | |
3262 | * @kcontrol: mixer control | |
3263 | * @ucontrol: control element information | |
3264 | * | |
3265 | * Callback get the value of a strobe mixer control. | |
3266 | * | |
3267 | * Returns 0 for success. | |
3268 | */ | |
3269 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3270 | struct snd_ctl_elem_value *ucontrol) | |
3271 | { | |
3272 | struct soc_mixer_control *mc = | |
3273 | (struct soc_mixer_control *)kcontrol->private_value; | |
3274 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3275 | unsigned int reg = mc->reg; | |
3276 | unsigned int shift = mc->shift; | |
3277 | unsigned int mask = 1 << shift; | |
3278 | unsigned int invert = mc->invert != 0; | |
3279 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3280 | ||
3281 | if (shift != 0 && val != 0) | |
3282 | val = val >> shift; | |
3283 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3284 | ||
3285 | return 0; | |
3286 | } | |
3287 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3288 | ||
3289 | /** | |
3290 | * snd_soc_put_strobe - strobe put callback | |
3291 | * @kcontrol: mixer control | |
3292 | * @ucontrol: control element information | |
3293 | * | |
3294 | * Callback strobe a register bit to high then low (or the inverse) | |
3295 | * in one pass of a single mixer enum control. | |
3296 | * | |
3297 | * Returns 1 for success. | |
3298 | */ | |
3299 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3300 | struct snd_ctl_elem_value *ucontrol) | |
3301 | { | |
3302 | struct soc_mixer_control *mc = | |
3303 | (struct soc_mixer_control *)kcontrol->private_value; | |
3304 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3305 | unsigned int reg = mc->reg; | |
3306 | unsigned int shift = mc->shift; | |
3307 | unsigned int mask = 1 << shift; | |
3308 | unsigned int invert = mc->invert != 0; | |
3309 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3310 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3311 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3312 | int err; | |
3313 | ||
3314 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3315 | if (err < 0) | |
3316 | return err; | |
3317 | ||
3318 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3319 | return err; | |
3320 | } | |
3321 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3322 | ||
8c6529db LG |
3323 | /** |
3324 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3325 | * @dai: DAI | |
3326 | * @clk_id: DAI specific clock ID | |
3327 | * @freq: new clock frequency in Hz | |
3328 | * @dir: new clock direction - input/output. | |
3329 | * | |
3330 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3331 | */ | |
3332 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3333 | unsigned int freq, int dir) | |
3334 | { | |
f0fba2ad LG |
3335 | if (dai->driver && dai->driver->ops->set_sysclk) |
3336 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3337 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3338 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3339 | freq, dir); |
8c6529db LG |
3340 | else |
3341 | return -EINVAL; | |
3342 | } | |
3343 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3344 | ||
ec4ee52a MB |
3345 | /** |
3346 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3347 | * @codec: CODEC | |
3348 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3349 | * @source: Source for the clock |
ec4ee52a MB |
3350 | * @freq: new clock frequency in Hz |
3351 | * @dir: new clock direction - input/output. | |
3352 | * | |
3353 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3354 | */ | |
3355 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3356 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3357 | { |
3358 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3359 | return codec->driver->set_sysclk(codec, clk_id, source, |
3360 | freq, dir); | |
ec4ee52a MB |
3361 | else |
3362 | return -EINVAL; | |
3363 | } | |
3364 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3365 | ||
8c6529db LG |
3366 | /** |
3367 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3368 | * @dai: DAI | |
ac11a2b3 | 3369 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3370 | * @div: new clock divisor. |
3371 | * | |
3372 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3373 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3374 | * and frame clocks as low as possible to save system power. | |
3375 | */ | |
3376 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3377 | int div_id, int div) | |
3378 | { | |
f0fba2ad LG |
3379 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3380 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3381 | else |
3382 | return -EINVAL; | |
3383 | } | |
3384 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3385 | ||
3386 | /** | |
3387 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3388 | * @dai: DAI | |
3389 | * @pll_id: DAI specific PLL ID | |
85488037 | 3390 | * @source: DAI specific source for the PLL |
8c6529db LG |
3391 | * @freq_in: PLL input clock frequency in Hz |
3392 | * @freq_out: requested PLL output clock frequency in Hz | |
3393 | * | |
3394 | * Configures and enables PLL to generate output clock based on input clock. | |
3395 | */ | |
85488037 MB |
3396 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3397 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3398 | { |
f0fba2ad LG |
3399 | if (dai->driver && dai->driver->ops->set_pll) |
3400 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3401 | freq_in, freq_out); |
ec4ee52a MB |
3402 | else if (dai->codec && dai->codec->driver->set_pll) |
3403 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3404 | freq_in, freq_out); | |
8c6529db LG |
3405 | else |
3406 | return -EINVAL; | |
3407 | } | |
3408 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3409 | ||
ec4ee52a MB |
3410 | /* |
3411 | * snd_soc_codec_set_pll - configure codec PLL. | |
3412 | * @codec: CODEC | |
3413 | * @pll_id: DAI specific PLL ID | |
3414 | * @source: DAI specific source for the PLL | |
3415 | * @freq_in: PLL input clock frequency in Hz | |
3416 | * @freq_out: requested PLL output clock frequency in Hz | |
3417 | * | |
3418 | * Configures and enables PLL to generate output clock based on input clock. | |
3419 | */ | |
3420 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3421 | unsigned int freq_in, unsigned int freq_out) | |
3422 | { | |
3423 | if (codec->driver->set_pll) | |
3424 | return codec->driver->set_pll(codec, pll_id, source, | |
3425 | freq_in, freq_out); | |
3426 | else | |
3427 | return -EINVAL; | |
3428 | } | |
3429 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3430 | ||
8c6529db LG |
3431 | /** |
3432 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3433 | * @dai: DAI | |
8c6529db LG |
3434 | * @fmt: SND_SOC_DAIFMT_ format value. |
3435 | * | |
3436 | * Configures the DAI hardware format and clocking. | |
3437 | */ | |
3438 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3439 | { | |
5e4ba569 | 3440 | if (dai->driver == NULL) |
8c6529db | 3441 | return -EINVAL; |
5e4ba569 SG |
3442 | if (dai->driver->ops->set_fmt == NULL) |
3443 | return -ENOTSUPP; | |
3444 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3445 | } |
3446 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3447 | ||
3448 | /** | |
3449 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3450 | * @dai: DAI | |
a5479e38 DR |
3451 | * @tx_mask: bitmask representing active TX slots. |
3452 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3453 | * @slots: Number of slots in use. |
a5479e38 | 3454 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3455 | * |
3456 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3457 | * specific. | |
3458 | */ | |
3459 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3460 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3461 | { |
f0fba2ad LG |
3462 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3463 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3464 | slots, slot_width); |
8c6529db LG |
3465 | else |
3466 | return -EINVAL; | |
3467 | } | |
3468 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3469 | ||
472df3cb BS |
3470 | /** |
3471 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3472 | * @dai: DAI | |
3473 | * @tx_num: how many TX channels | |
3474 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3475 | * 0~num-1 uses | |
3476 | * @rx_num: how many RX channels | |
3477 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3478 | * 0~num-1 uses | |
3479 | * | |
3480 | * configure the relationship between channel number and TDM slot number. | |
3481 | */ | |
3482 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3483 | unsigned int tx_num, unsigned int *tx_slot, | |
3484 | unsigned int rx_num, unsigned int *rx_slot) | |
3485 | { | |
f0fba2ad LG |
3486 | if (dai->driver && dai->driver->ops->set_channel_map) |
3487 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3488 | rx_num, rx_slot); |
3489 | else | |
3490 | return -EINVAL; | |
3491 | } | |
3492 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3493 | ||
8c6529db LG |
3494 | /** |
3495 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3496 | * @dai: DAI | |
3497 | * @tristate: tristate enable | |
3498 | * | |
3499 | * Tristates the DAI so that others can use it. | |
3500 | */ | |
3501 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3502 | { | |
f0fba2ad LG |
3503 | if (dai->driver && dai->driver->ops->set_tristate) |
3504 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3505 | else |
3506 | return -EINVAL; | |
3507 | } | |
3508 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3509 | ||
3510 | /** | |
3511 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3512 | * @dai: DAI | |
3513 | * @mute: mute enable | |
3514 | * | |
3515 | * Mutes the DAI DAC. | |
3516 | */ | |
3517 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute) | |
3518 | { | |
f0fba2ad LG |
3519 | if (dai->driver && dai->driver->ops->digital_mute) |
3520 | return dai->driver->ops->digital_mute(dai, mute); | |
8c6529db | 3521 | else |
04570c62 | 3522 | return -ENOTSUPP; |
8c6529db LG |
3523 | } |
3524 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3525 | ||
c5af3a2e MB |
3526 | /** |
3527 | * snd_soc_register_card - Register a card with the ASoC core | |
3528 | * | |
ac11a2b3 | 3529 | * @card: Card to register |
c5af3a2e | 3530 | * |
c5af3a2e | 3531 | */ |
70a7ca34 | 3532 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3533 | { |
b19e6e7b | 3534 | int i, ret; |
f0fba2ad | 3535 | |
c5af3a2e MB |
3536 | if (!card->name || !card->dev) |
3537 | return -EINVAL; | |
3538 | ||
5a504963 SW |
3539 | for (i = 0; i < card->num_links; i++) { |
3540 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3541 | ||
3542 | /* | |
3543 | * Codec must be specified by 1 of name or OF node, | |
3544 | * not both or neither. | |
3545 | */ | |
3546 | if (!!link->codec_name == !!link->codec_of_node) { | |
f110bfc7 LG |
3547 | dev_err(card->dev, "ASoC: Neither/both codec" |
3548 | " name/of_node are set for %s\n", link->name); | |
5a504963 SW |
3549 | return -EINVAL; |
3550 | } | |
bc92657a SW |
3551 | /* Codec DAI name must be specified */ |
3552 | if (!link->codec_dai_name) { | |
f110bfc7 LG |
3553 | dev_err(card->dev, "ASoC: codec_dai_name not" |
3554 | " set for %s\n", link->name); | |
bc92657a SW |
3555 | return -EINVAL; |
3556 | } | |
5a504963 SW |
3557 | |
3558 | /* | |
3559 | * Platform may be specified by either name or OF node, but | |
3560 | * can be left unspecified, and a dummy platform will be used. | |
3561 | */ | |
3562 | if (link->platform_name && link->platform_of_node) { | |
f110bfc7 LG |
3563 | dev_err(card->dev, "ASoC: Both platform name/of_node" |
3564 | " are set for %s\n", link->name); | |
5a504963 SW |
3565 | return -EINVAL; |
3566 | } | |
3567 | ||
3568 | /* | |
bc92657a SW |
3569 | * CPU device may be specified by either name or OF node, but |
3570 | * can be left unspecified, and will be matched based on DAI | |
3571 | * name alone.. | |
3572 | */ | |
3573 | if (link->cpu_name && link->cpu_of_node) { | |
f110bfc7 LG |
3574 | dev_err(card->dev, "ASoC: Neither/both " |
3575 | "cpu name/of_node are set for %s\n",link->name); | |
bc92657a SW |
3576 | return -EINVAL; |
3577 | } | |
3578 | /* | |
3579 | * At least one of CPU DAI name or CPU device name/node must be | |
3580 | * specified | |
5a504963 | 3581 | */ |
bc92657a SW |
3582 | if (!link->cpu_dai_name && |
3583 | !(link->cpu_name || link->cpu_of_node)) { | |
f110bfc7 LG |
3584 | dev_err(card->dev, "ASoC: Neither cpu_dai_name nor " |
3585 | "cpu_name/of_node are set for %s\n", link->name); | |
5a504963 SW |
3586 | return -EINVAL; |
3587 | } | |
3588 | } | |
3589 | ||
ed77cc12 MB |
3590 | dev_set_drvdata(card->dev, card); |
3591 | ||
111c6419 SW |
3592 | snd_soc_initialize_card_lists(card); |
3593 | ||
150dd2f8 VK |
3594 | soc_init_card_debugfs(card); |
3595 | ||
181a6892 MB |
3596 | card->rtd = devm_kzalloc(card->dev, |
3597 | sizeof(struct snd_soc_pcm_runtime) * | |
3598 | (card->num_links + card->num_aux_devs), | |
3599 | GFP_KERNEL); | |
f0fba2ad LG |
3600 | if (card->rtd == NULL) |
3601 | return -ENOMEM; | |
a7dbb603 | 3602 | card->num_rtd = 0; |
2eea392d | 3603 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3604 | |
3605 | for (i = 0; i < card->num_links; i++) | |
3606 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3607 | ||
c5af3a2e | 3608 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3609 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3610 | card->instantiated = 0; |
f0fba2ad | 3611 | mutex_init(&card->mutex); |
a73fb2df | 3612 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3613 | |
b19e6e7b MB |
3614 | ret = snd_soc_instantiate_card(card); |
3615 | if (ret != 0) | |
3616 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3617 | |
b19e6e7b | 3618 | return ret; |
c5af3a2e | 3619 | } |
70a7ca34 | 3620 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3621 | |
3622 | /** | |
3623 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3624 | * | |
ac11a2b3 | 3625 | * @card: Card to unregister |
c5af3a2e | 3626 | * |
c5af3a2e | 3627 | */ |
70a7ca34 | 3628 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3629 | { |
b0e26485 VK |
3630 | if (card->instantiated) |
3631 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3632 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3633 | |
3634 | return 0; | |
3635 | } | |
70a7ca34 | 3636 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3637 | |
f0fba2ad LG |
3638 | /* |
3639 | * Simplify DAI link configuration by removing ".-1" from device names | |
3640 | * and sanitizing names. | |
3641 | */ | |
0b9a214a | 3642 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3643 | { |
3644 | char *found, name[NAME_SIZE]; | |
3645 | int id1, id2; | |
3646 | ||
3647 | if (dev_name(dev) == NULL) | |
3648 | return NULL; | |
3649 | ||
58818a77 | 3650 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3651 | |
3652 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3653 | found = strstr(name, dev->driver->name); | |
3654 | if (found) { | |
3655 | /* get ID */ | |
3656 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3657 | ||
3658 | /* discard ID from name if ID == -1 */ | |
3659 | if (*id == -1) | |
3660 | found[strlen(dev->driver->name)] = '\0'; | |
3661 | } | |
3662 | ||
3663 | } else { | |
3664 | /* I2C component devices are named "bus-addr" */ | |
3665 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3666 | char tmp[NAME_SIZE]; | |
3667 | ||
3668 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3669 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3670 | |
3671 | /* sanitize component name for DAI link creation */ | |
3672 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3673 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3674 | } else |
3675 | *id = 0; | |
3676 | } | |
3677 | ||
3678 | return kstrdup(name, GFP_KERNEL); | |
3679 | } | |
3680 | ||
3681 | /* | |
3682 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3683 | * any ".-1" and using the DAI name (instead of device name). | |
3684 | */ | |
3685 | static inline char *fmt_multiple_name(struct device *dev, | |
3686 | struct snd_soc_dai_driver *dai_drv) | |
3687 | { | |
3688 | if (dai_drv->name == NULL) { | |
f110bfc7 LG |
3689 | dev_err(dev, "ASoC: error - multiple DAI %s registered with" |
3690 | " no name\n", dev_name(dev)); | |
f0fba2ad LG |
3691 | return NULL; |
3692 | } | |
3693 | ||
3694 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3695 | } | |
3696 | ||
9115171a MB |
3697 | /** |
3698 | * snd_soc_register_dai - Register a DAI with the ASoC core | |
3699 | * | |
ac11a2b3 | 3700 | * @dai: DAI to register |
9115171a | 3701 | */ |
f0fba2ad LG |
3702 | int snd_soc_register_dai(struct device *dev, |
3703 | struct snd_soc_dai_driver *dai_drv) | |
9115171a | 3704 | { |
054880fe | 3705 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3706 | struct snd_soc_dai *dai; |
3707 | ||
f110bfc7 | 3708 | dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev)); |
9115171a | 3709 | |
f0fba2ad LG |
3710 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
3711 | if (dai == NULL) | |
a7393623 | 3712 | return -ENOMEM; |
9115171a | 3713 | |
f0fba2ad LG |
3714 | /* create DAI component name */ |
3715 | dai->name = fmt_single_name(dev, &dai->id); | |
3716 | if (dai->name == NULL) { | |
3717 | kfree(dai); | |
3718 | return -ENOMEM; | |
3719 | } | |
6335d055 | 3720 | |
f0fba2ad LG |
3721 | dai->dev = dev; |
3722 | dai->driver = dai_drv; | |
be09ad90 | 3723 | dai->dapm.dev = dev; |
f0fba2ad LG |
3724 | if (!dai->driver->ops) |
3725 | dai->driver->ops = &null_dai_ops; | |
9115171a MB |
3726 | |
3727 | mutex_lock(&client_mutex); | |
054880fe MB |
3728 | |
3729 | list_for_each_entry(codec, &codec_list, list) { | |
3730 | if (codec->dev == dev) { | |
f110bfc7 | 3731 | dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n", |
054880fe MB |
3732 | dai->name, codec->name); |
3733 | dai->codec = codec; | |
3734 | break; | |
3735 | } | |
3736 | } | |
3737 | ||
5f800080 PU |
3738 | if (!dai->codec) |
3739 | dai->dapm.idle_bias_off = 1; | |
3740 | ||
9115171a | 3741 | list_add(&dai->list, &dai_list); |
054880fe | 3742 | |
9115171a MB |
3743 | mutex_unlock(&client_mutex); |
3744 | ||
f110bfc7 | 3745 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3746 | |
3747 | return 0; | |
3748 | } | |
3749 | EXPORT_SYMBOL_GPL(snd_soc_register_dai); | |
3750 | ||
3751 | /** | |
3752 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core | |
3753 | * | |
ac11a2b3 | 3754 | * @dai: DAI to unregister |
9115171a | 3755 | */ |
f0fba2ad | 3756 | void snd_soc_unregister_dai(struct device *dev) |
9115171a | 3757 | { |
f0fba2ad LG |
3758 | struct snd_soc_dai *dai; |
3759 | ||
3760 | list_for_each_entry(dai, &dai_list, list) { | |
3761 | if (dev == dai->dev) | |
3762 | goto found; | |
3763 | } | |
3764 | return; | |
3765 | ||
3766 | found: | |
9115171a MB |
3767 | mutex_lock(&client_mutex); |
3768 | list_del(&dai->list); | |
3769 | mutex_unlock(&client_mutex); | |
3770 | ||
f110bfc7 | 3771 | dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name); |
f0fba2ad LG |
3772 | kfree(dai->name); |
3773 | kfree(dai); | |
9115171a MB |
3774 | } |
3775 | EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); | |
3776 | ||
3777 | /** | |
3778 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core | |
3779 | * | |
ac11a2b3 MB |
3780 | * @dai: Array of DAIs to register |
3781 | * @count: Number of DAIs | |
9115171a | 3782 | */ |
f0fba2ad LG |
3783 | int snd_soc_register_dais(struct device *dev, |
3784 | struct snd_soc_dai_driver *dai_drv, size_t count) | |
9115171a | 3785 | { |
054880fe | 3786 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3787 | struct snd_soc_dai *dai; |
3788 | int i, ret = 0; | |
3789 | ||
f110bfc7 | 3790 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
3791 | |
3792 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
3793 | |
3794 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3795 | if (dai == NULL) { |
3796 | ret = -ENOMEM; | |
3797 | goto err; | |
3798 | } | |
f0fba2ad LG |
3799 | |
3800 | /* create DAI component name */ | |
3801 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3802 | if (dai->name == NULL) { | |
3803 | kfree(dai); | |
3804 | ret = -EINVAL; | |
9115171a | 3805 | goto err; |
f0fba2ad LG |
3806 | } |
3807 | ||
3808 | dai->dev = dev; | |
f0fba2ad | 3809 | dai->driver = &dai_drv[i]; |
0f9141c9 MB |
3810 | if (dai->driver->id) |
3811 | dai->id = dai->driver->id; | |
3812 | else | |
3813 | dai->id = i; | |
be09ad90 | 3814 | dai->dapm.dev = dev; |
f0fba2ad LG |
3815 | if (!dai->driver->ops) |
3816 | dai->driver->ops = &null_dai_ops; | |
3817 | ||
3818 | mutex_lock(&client_mutex); | |
054880fe MB |
3819 | |
3820 | list_for_each_entry(codec, &codec_list, list) { | |
3821 | if (codec->dev == dev) { | |
f110bfc7 LG |
3822 | dev_dbg(dev, "ASoC: Mapped DAI %s to " |
3823 | "CODEC %s\n", dai->name, codec->name); | |
054880fe MB |
3824 | dai->codec = codec; |
3825 | break; | |
3826 | } | |
3827 | } | |
3828 | ||
5f800080 PU |
3829 | if (!dai->codec) |
3830 | dai->dapm.idle_bias_off = 1; | |
3831 | ||
f0fba2ad | 3832 | list_add(&dai->list, &dai_list); |
054880fe | 3833 | |
f0fba2ad LG |
3834 | mutex_unlock(&client_mutex); |
3835 | ||
f110bfc7 | 3836 | dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3837 | } |
3838 | ||
3839 | return 0; | |
3840 | ||
3841 | err: | |
3842 | for (i--; i >= 0; i--) | |
f0fba2ad | 3843 | snd_soc_unregister_dai(dev); |
9115171a MB |
3844 | |
3845 | return ret; | |
3846 | } | |
3847 | EXPORT_SYMBOL_GPL(snd_soc_register_dais); | |
3848 | ||
3849 | /** | |
3850 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core | |
3851 | * | |
ac11a2b3 MB |
3852 | * @dai: Array of DAIs to unregister |
3853 | * @count: Number of DAIs | |
9115171a | 3854 | */ |
f0fba2ad | 3855 | void snd_soc_unregister_dais(struct device *dev, size_t count) |
9115171a MB |
3856 | { |
3857 | int i; | |
3858 | ||
3859 | for (i = 0; i < count; i++) | |
f0fba2ad | 3860 | snd_soc_unregister_dai(dev); |
9115171a MB |
3861 | } |
3862 | EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); | |
3863 | ||
12a48a8c MB |
3864 | /** |
3865 | * snd_soc_register_platform - Register a platform with the ASoC core | |
3866 | * | |
ac11a2b3 | 3867 | * @platform: platform to register |
12a48a8c | 3868 | */ |
f0fba2ad LG |
3869 | int snd_soc_register_platform(struct device *dev, |
3870 | struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 3871 | { |
f0fba2ad LG |
3872 | struct snd_soc_platform *platform; |
3873 | ||
f110bfc7 | 3874 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad LG |
3875 | |
3876 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); | |
3877 | if (platform == NULL) | |
a7393623 | 3878 | return -ENOMEM; |
f0fba2ad LG |
3879 | |
3880 | /* create platform component name */ | |
3881 | platform->name = fmt_single_name(dev, &platform->id); | |
3882 | if (platform->name == NULL) { | |
3883 | kfree(platform); | |
3884 | return -ENOMEM; | |
3885 | } | |
12a48a8c | 3886 | |
f0fba2ad LG |
3887 | platform->dev = dev; |
3888 | platform->driver = platform_drv; | |
b7950641 LG |
3889 | platform->dapm.dev = dev; |
3890 | platform->dapm.platform = platform; | |
64a648c2 | 3891 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 3892 | mutex_init(&platform->mutex); |
12a48a8c MB |
3893 | |
3894 | mutex_lock(&client_mutex); | |
3895 | list_add(&platform->list, &platform_list); | |
3896 | mutex_unlock(&client_mutex); | |
3897 | ||
f110bfc7 | 3898 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
3899 | |
3900 | return 0; | |
3901 | } | |
3902 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
3903 | ||
3904 | /** | |
3905 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
3906 | * | |
ac11a2b3 | 3907 | * @platform: platform to unregister |
12a48a8c | 3908 | */ |
f0fba2ad | 3909 | void snd_soc_unregister_platform(struct device *dev) |
12a48a8c | 3910 | { |
f0fba2ad LG |
3911 | struct snd_soc_platform *platform; |
3912 | ||
3913 | list_for_each_entry(platform, &platform_list, list) { | |
3914 | if (dev == platform->dev) | |
3915 | goto found; | |
3916 | } | |
3917 | return; | |
3918 | ||
3919 | found: | |
12a48a8c MB |
3920 | mutex_lock(&client_mutex); |
3921 | list_del(&platform->list); | |
3922 | mutex_unlock(&client_mutex); | |
3923 | ||
f110bfc7 | 3924 | dev_dbg(dev, "ASoC: Unregistered platform '%s'\n", platform->name); |
f0fba2ad LG |
3925 | kfree(platform->name); |
3926 | kfree(platform); | |
12a48a8c MB |
3927 | } |
3928 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
3929 | ||
151ab22c MB |
3930 | static u64 codec_format_map[] = { |
3931 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
3932 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
3933 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
3934 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
3935 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
3936 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
3937 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
3938 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
3939 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
3940 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
3941 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
3942 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
3943 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
3944 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
3945 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
3946 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
3947 | }; | |
3948 | ||
3949 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
3950 | * the endianness of the data but we're using the CPU format | |
3951 | * definitions which do need to include endianness so we ensure that | |
3952 | * codec DAIs always have both big and little endian variants set. | |
3953 | */ | |
3954 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
3955 | { | |
3956 | int i; | |
3957 | ||
3958 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
3959 | if (stream->formats & codec_format_map[i]) | |
3960 | stream->formats |= codec_format_map[i]; | |
3961 | } | |
3962 | ||
0d0cf00a MB |
3963 | /** |
3964 | * snd_soc_register_codec - Register a codec with the ASoC core | |
3965 | * | |
ac11a2b3 | 3966 | * @codec: codec to register |
0d0cf00a | 3967 | */ |
f0fba2ad | 3968 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
3969 | const struct snd_soc_codec_driver *codec_drv, |
3970 | struct snd_soc_dai_driver *dai_drv, | |
3971 | int num_dai) | |
0d0cf00a | 3972 | { |
3335ddca | 3973 | size_t reg_size; |
f0fba2ad LG |
3974 | struct snd_soc_codec *codec; |
3975 | int ret, i; | |
151ab22c | 3976 | |
f0fba2ad LG |
3977 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
3978 | ||
3979 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
3980 | if (codec == NULL) | |
3981 | return -ENOMEM; | |
0d0cf00a | 3982 | |
f0fba2ad LG |
3983 | /* create CODEC component name */ |
3984 | codec->name = fmt_single_name(dev, &codec->id); | |
3985 | if (codec->name == NULL) { | |
3986 | kfree(codec); | |
3987 | return -ENOMEM; | |
3988 | } | |
3989 | ||
23bbce34 DP |
3990 | if (codec_drv->compress_type) |
3991 | codec->compress_type = codec_drv->compress_type; | |
3992 | else | |
3993 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; | |
3994 | ||
c3acec26 MB |
3995 | codec->write = codec_drv->write; |
3996 | codec->read = codec_drv->read; | |
1500b7b5 DP |
3997 | codec->volatile_register = codec_drv->volatile_register; |
3998 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 3999 | codec->writable_register = codec_drv->writable_register; |
5124e69e | 4000 | codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4001 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4002 | codec->dapm.dev = dev; | |
4003 | codec->dapm.codec = codec; | |
474b62d6 | 4004 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4005 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4006 | codec->dev = dev; |
4007 | codec->driver = codec_drv; | |
4008 | codec->num_dai = num_dai; | |
4009 | mutex_init(&codec->mutex); | |
ce6120cc | 4010 | |
f0fba2ad LG |
4011 | /* allocate CODEC register cache */ |
4012 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { | |
3335ddca | 4013 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
aea170a0 | 4014 | codec->reg_size = reg_size; |
3335ddca DP |
4015 | /* it is necessary to make a copy of the default register cache |
4016 | * because in the case of using a compression type that requires | |
4017 | * the default register cache to be marked as __devinitconst the | |
4018 | * kernel might have freed the array by the time we initialize | |
4019 | * the cache. | |
4020 | */ | |
2aa86323 DP |
4021 | if (codec_drv->reg_cache_default) { |
4022 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, | |
4023 | reg_size, GFP_KERNEL); | |
4024 | if (!codec->reg_def_copy) { | |
4025 | ret = -ENOMEM; | |
4026 | goto fail; | |
4027 | } | |
f0fba2ad | 4028 | } |
151ab22c MB |
4029 | } |
4030 | ||
1500b7b5 DP |
4031 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
4032 | if (!codec->volatile_register) | |
4033 | codec->volatile_register = snd_soc_default_volatile_register; | |
4034 | if (!codec->readable_register) | |
4035 | codec->readable_register = snd_soc_default_readable_register; | |
8020454c DP |
4036 | if (!codec->writable_register) |
4037 | codec->writable_register = snd_soc_default_writable_register; | |
1500b7b5 DP |
4038 | } |
4039 | ||
f0fba2ad LG |
4040 | for (i = 0; i < num_dai; i++) { |
4041 | fixup_codec_formats(&dai_drv[i].playback); | |
4042 | fixup_codec_formats(&dai_drv[i].capture); | |
4043 | } | |
4044 | ||
054880fe MB |
4045 | mutex_lock(&client_mutex); |
4046 | list_add(&codec->list, &codec_list); | |
4047 | mutex_unlock(&client_mutex); | |
4048 | ||
26b01ccd MB |
4049 | /* register any DAIs */ |
4050 | if (num_dai) { | |
4051 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); | |
4052 | if (ret < 0) | |
f110bfc7 LG |
4053 | dev_err(codec->dev, "ASoC: Failed to regster" |
4054 | " DAIs: %d\n", ret); | |
26b01ccd | 4055 | } |
f0fba2ad | 4056 | |
f110bfc7 | 4057 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4058 | return 0; |
f0fba2ad | 4059 | |
fdf0f54d | 4060 | fail: |
f0fba2ad LG |
4061 | kfree(codec->name); |
4062 | kfree(codec); | |
4063 | return ret; | |
0d0cf00a MB |
4064 | } |
4065 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4066 | ||
4067 | /** | |
4068 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4069 | * | |
ac11a2b3 | 4070 | * @codec: codec to unregister |
0d0cf00a | 4071 | */ |
f0fba2ad | 4072 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4073 | { |
f0fba2ad LG |
4074 | struct snd_soc_codec *codec; |
4075 | int i; | |
4076 | ||
4077 | list_for_each_entry(codec, &codec_list, list) { | |
4078 | if (dev == codec->dev) | |
4079 | goto found; | |
4080 | } | |
4081 | return; | |
4082 | ||
4083 | found: | |
26b01ccd MB |
4084 | if (codec->num_dai) |
4085 | for (i = 0; i < codec->num_dai; i++) | |
4086 | snd_soc_unregister_dai(dev); | |
f0fba2ad | 4087 | |
0d0cf00a MB |
4088 | mutex_lock(&client_mutex); |
4089 | list_del(&codec->list); | |
4090 | mutex_unlock(&client_mutex); | |
4091 | ||
f110bfc7 | 4092 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4093 | |
7a30a3db | 4094 | snd_soc_cache_exit(codec); |
3335ddca | 4095 | kfree(codec->reg_def_copy); |
1aafcd4d | 4096 | kfree(codec->name); |
f0fba2ad | 4097 | kfree(codec); |
0d0cf00a MB |
4098 | } |
4099 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4100 | ||
bec4fa05 SW |
4101 | /* Retrieve a card's name from device tree */ |
4102 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4103 | const char *propname) | |
4104 | { | |
4105 | struct device_node *np = card->dev->of_node; | |
4106 | int ret; | |
4107 | ||
4108 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4109 | /* | |
4110 | * EINVAL means the property does not exist. This is fine providing | |
4111 | * card->name was previously set, which is checked later in | |
4112 | * snd_soc_register_card. | |
4113 | */ | |
4114 | if (ret < 0 && ret != -EINVAL) { | |
4115 | dev_err(card->dev, | |
f110bfc7 | 4116 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4117 | propname, ret); |
4118 | return ret; | |
4119 | } | |
4120 | ||
4121 | return 0; | |
4122 | } | |
4123 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4124 | ||
a4a54dd5 SW |
4125 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4126 | const char *propname) | |
4127 | { | |
4128 | struct device_node *np = card->dev->of_node; | |
4129 | int num_routes; | |
4130 | struct snd_soc_dapm_route *routes; | |
4131 | int i, ret; | |
4132 | ||
4133 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4134 | if (num_routes < 0 || num_routes & 1) { |
f110bfc7 LG |
4135 | dev_err(card->dev, "ASoC: Property '%s' does not exist or its" |
4136 | " length is not even\n", propname); | |
a4a54dd5 SW |
4137 | return -EINVAL; |
4138 | } | |
4139 | num_routes /= 2; | |
4140 | if (!num_routes) { | |
f110bfc7 | 4141 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4142 | propname); |
4143 | return -EINVAL; | |
4144 | } | |
4145 | ||
4146 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4147 | GFP_KERNEL); | |
4148 | if (!routes) { | |
4149 | dev_err(card->dev, | |
f110bfc7 | 4150 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4151 | return -EINVAL; |
4152 | } | |
4153 | ||
4154 | for (i = 0; i < num_routes; i++) { | |
4155 | ret = of_property_read_string_index(np, propname, | |
4156 | 2 * i, &routes[i].sink); | |
4157 | if (ret) { | |
f110bfc7 LG |
4158 | dev_err(card->dev, "ASoC: Property '%s' index %d" |
4159 | " could not be read: %d\n", propname, 2 * i, | |
4160 | ret); | |
b761c0ca | 4161 | kfree(routes); |
a4a54dd5 SW |
4162 | return -EINVAL; |
4163 | } | |
4164 | ret = of_property_read_string_index(np, propname, | |
4165 | (2 * i) + 1, &routes[i].source); | |
4166 | if (ret) { | |
4167 | dev_err(card->dev, | |
f110bfc7 LG |
4168 | "ASoC: Property '%s' index %d could not be" |
4169 | " read: %d\n", propname, (2 * i) + 1, ret); | |
b761c0ca | 4170 | kfree(routes); |
a4a54dd5 SW |
4171 | return -EINVAL; |
4172 | } | |
4173 | } | |
4174 | ||
4175 | card->num_dapm_routes = num_routes; | |
4176 | card->dapm_routes = routes; | |
4177 | ||
4178 | return 0; | |
4179 | } | |
4180 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4181 | ||
c9b3a40f | 4182 | static int __init snd_soc_init(void) |
db2a4165 | 4183 | { |
384c89e2 | 4184 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4185 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4186 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4187 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4188 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4189 | } |
c3c5a19a | 4190 | |
8a9dab1a | 4191 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4192 | &codec_list_fops)) |
4193 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4194 | ||
8a9dab1a | 4195 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4196 | &dai_list_fops)) |
4197 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4198 | |
8a9dab1a | 4199 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4200 | &platform_list_fops)) |
4201 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4202 | #endif |
4203 | ||
fb257897 MB |
4204 | snd_soc_util_init(); |
4205 | ||
db2a4165 FM |
4206 | return platform_driver_register(&soc_driver); |
4207 | } | |
4abe8e16 | 4208 | module_init(snd_soc_init); |
db2a4165 | 4209 | |
7d8c16a6 | 4210 | static void __exit snd_soc_exit(void) |
db2a4165 | 4211 | { |
fb257897 MB |
4212 | snd_soc_util_exit(); |
4213 | ||
384c89e2 | 4214 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4215 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4216 | #endif |
3ff3f64b | 4217 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4218 | } |
db2a4165 FM |
4219 | module_exit(snd_soc_exit); |
4220 | ||
4221 | /* Module information */ | |
d331124d | 4222 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4223 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4224 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4225 | MODULE_ALIAS("platform:soc-audio"); |