Commit | Line | Data |
---|---|---|
db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
741a509f MP |
37 | #include <linux/gpio.h> |
38 | #include <linux/of_gpio.h> | |
474828a4 | 39 | #include <sound/ac97_codec.h> |
db2a4165 | 40 | #include <sound/core.h> |
3028eb8c | 41 | #include <sound/jack.h> |
db2a4165 FM |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
01d7584c | 45 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
46 | #include <sound/initval.h> |
47 | ||
a8b1d34f MB |
48 | #define CREATE_TRACE_POINTS |
49 | #include <trace/events/asoc.h> | |
50 | ||
f0fba2ad LG |
51 | #define NAME_SIZE 32 |
52 | ||
db2a4165 FM |
53 | static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); |
54 | ||
384c89e2 | 55 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
56 | struct dentry *snd_soc_debugfs_root; |
57 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
58 | #endif |
59 | ||
c5af3a2e | 60 | static DEFINE_MUTEX(client_mutex); |
9115171a | 61 | static LIST_HEAD(dai_list); |
12a48a8c | 62 | static LIST_HEAD(platform_list); |
0d0cf00a | 63 | static LIST_HEAD(codec_list); |
030e79f6 | 64 | static LIST_HEAD(component_list); |
c5af3a2e | 65 | |
db2a4165 FM |
66 | /* |
67 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
68 | * It can be used to eliminate pops between different playback streams, e.g. | |
69 | * between two audio tracks. | |
70 | */ | |
71 | static int pmdown_time = 5000; | |
72 | module_param(pmdown_time, int, 0); | |
73 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
74 | ||
741a509f MP |
75 | struct snd_ac97_reset_cfg { |
76 | struct pinctrl *pctl; | |
77 | struct pinctrl_state *pstate_reset; | |
78 | struct pinctrl_state *pstate_warm_reset; | |
79 | struct pinctrl_state *pstate_run; | |
80 | int gpio_sdata; | |
81 | int gpio_sync; | |
82 | int gpio_reset; | |
83 | }; | |
84 | ||
2bc9a81e DP |
85 | /* returns the minimum number of bytes needed to represent |
86 | * a particular given value */ | |
87 | static int min_bytes_needed(unsigned long val) | |
88 | { | |
89 | int c = 0; | |
90 | int i; | |
91 | ||
92 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
93 | if (val & (1UL << i)) | |
94 | break; | |
95 | c = (sizeof val * 8) - c; | |
96 | if (!c || (c % 8)) | |
97 | c = (c + 8) / 8; | |
98 | else | |
99 | c /= 8; | |
100 | return c; | |
101 | } | |
102 | ||
13fd179f DP |
103 | /* fill buf which is 'len' bytes with a formatted |
104 | * string of the form 'reg: value\n' */ | |
105 | static int format_register_str(struct snd_soc_codec *codec, | |
106 | unsigned int reg, char *buf, size_t len) | |
107 | { | |
00b317a4 SW |
108 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
109 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
110 | int ret; |
111 | char tmpbuf[len + 1]; | |
112 | char regbuf[regsize + 1]; | |
113 | ||
114 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
115 | * try to abuse this function */ | |
116 | WARN_ON(len > 63); | |
117 | ||
118 | /* +2 for ': ' and + 1 for '\n' */ | |
119 | if (wordsize + regsize + 2 + 1 != len) | |
120 | return -EINVAL; | |
121 | ||
25032c11 | 122 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
123 | if (ret < 0) { |
124 | memset(regbuf, 'X', regsize); | |
125 | regbuf[regsize] = '\0'; | |
126 | } else { | |
127 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
128 | } | |
129 | ||
130 | /* prepare the buffer */ | |
131 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
132 | /* copy it back to the caller without the '\0' */ | |
133 | memcpy(buf, tmpbuf, len); | |
134 | ||
135 | return 0; | |
136 | } | |
137 | ||
2624d5fa | 138 | /* codec register dump */ |
13fd179f DP |
139 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
140 | size_t count, loff_t pos) | |
2624d5fa | 141 | { |
13fd179f | 142 | int i, step = 1; |
2bc9a81e | 143 | int wordsize, regsize; |
13fd179f DP |
144 | int len; |
145 | size_t total = 0; | |
146 | loff_t p = 0; | |
2bc9a81e | 147 | |
00b317a4 SW |
148 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
149 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 150 | |
13fd179f DP |
151 | len = wordsize + regsize + 2 + 1; |
152 | ||
f0fba2ad | 153 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
154 | return 0; |
155 | ||
f0fba2ad LG |
156 | if (codec->driver->reg_cache_step) |
157 | step = codec->driver->reg_cache_step; | |
2624d5fa | 158 | |
f0fba2ad | 159 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
b92d150b | 160 | if (!snd_soc_codec_readable_register(codec, i)) |
2624d5fa | 161 | continue; |
f0fba2ad LG |
162 | if (codec->driver->display_register) { |
163 | count += codec->driver->display_register(codec, buf + count, | |
2624d5fa | 164 | PAGE_SIZE - count, i); |
5164d74d | 165 | } else { |
13fd179f DP |
166 | /* only support larger than PAGE_SIZE bytes debugfs |
167 | * entries for the default case */ | |
168 | if (p >= pos) { | |
169 | if (total + len >= count - 1) | |
170 | break; | |
171 | format_register_str(codec, i, buf + total, len); | |
172 | total += len; | |
173 | } | |
174 | p += len; | |
5164d74d | 175 | } |
2624d5fa MB |
176 | } |
177 | ||
13fd179f | 178 | total = min(total, count - 1); |
2624d5fa | 179 | |
13fd179f | 180 | return total; |
2624d5fa | 181 | } |
13fd179f | 182 | |
2624d5fa MB |
183 | static ssize_t codec_reg_show(struct device *dev, |
184 | struct device_attribute *attr, char *buf) | |
185 | { | |
36ae1a96 | 186 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 187 | |
13fd179f | 188 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
189 | } |
190 | ||
191 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
192 | ||
dbe21408 MB |
193 | static ssize_t pmdown_time_show(struct device *dev, |
194 | struct device_attribute *attr, char *buf) | |
195 | { | |
36ae1a96 | 196 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 197 | |
f0fba2ad | 198 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
199 | } |
200 | ||
201 | static ssize_t pmdown_time_set(struct device *dev, | |
202 | struct device_attribute *attr, | |
203 | const char *buf, size_t count) | |
204 | { | |
36ae1a96 | 205 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 206 | int ret; |
dbe21408 | 207 | |
c593b520 MB |
208 | ret = strict_strtol(buf, 10, &rtd->pmdown_time); |
209 | if (ret) | |
210 | return ret; | |
dbe21408 MB |
211 | |
212 | return count; | |
213 | } | |
214 | ||
215 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
216 | ||
2624d5fa | 217 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 218 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 219 | size_t count, loff_t *ppos) |
2624d5fa MB |
220 | { |
221 | ssize_t ret; | |
222 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
223 | char *buf; |
224 | ||
225 | if (*ppos < 0 || !count) | |
226 | return -EINVAL; | |
227 | ||
228 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
229 | if (!buf) |
230 | return -ENOMEM; | |
13fd179f DP |
231 | |
232 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
233 | if (ret >= 0) { | |
234 | if (copy_to_user(user_buf, buf, ret)) { | |
235 | kfree(buf); | |
236 | return -EFAULT; | |
237 | } | |
238 | *ppos += ret; | |
239 | } | |
240 | ||
2624d5fa MB |
241 | kfree(buf); |
242 | return ret; | |
243 | } | |
244 | ||
245 | static ssize_t codec_reg_write_file(struct file *file, | |
246 | const char __user *user_buf, size_t count, loff_t *ppos) | |
247 | { | |
248 | char buf[32]; | |
34e268d8 | 249 | size_t buf_size; |
2624d5fa MB |
250 | char *start = buf; |
251 | unsigned long reg, value; | |
2624d5fa MB |
252 | struct snd_soc_codec *codec = file->private_data; |
253 | ||
254 | buf_size = min(count, (sizeof(buf)-1)); | |
255 | if (copy_from_user(buf, user_buf, buf_size)) | |
256 | return -EFAULT; | |
257 | buf[buf_size] = 0; | |
2624d5fa MB |
258 | |
259 | while (*start == ' ') | |
260 | start++; | |
261 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
262 | while (*start == ' ') |
263 | start++; | |
264 | if (strict_strtoul(start, 16, &value)) | |
265 | return -EINVAL; | |
0d51a9cb MB |
266 | |
267 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 268 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 269 | |
e4f078d8 | 270 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
271 | return buf_size; |
272 | } | |
273 | ||
274 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 275 | .open = simple_open, |
2624d5fa MB |
276 | .read = codec_reg_read_file, |
277 | .write = codec_reg_write_file, | |
6038f373 | 278 | .llseek = default_llseek, |
2624d5fa MB |
279 | }; |
280 | ||
281 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
282 | { | |
d6ce4cf3 JN |
283 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
284 | ||
285 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, | |
286 | debugfs_card_root); | |
2624d5fa | 287 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
288 | dev_warn(codec->dev, |
289 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
290 | return; |
291 | } | |
292 | ||
aaee8ef1 MB |
293 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
294 | &codec->cache_sync); | |
295 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
296 | &codec->cache_only); | |
297 | ||
2624d5fa MB |
298 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
299 | codec->debugfs_codec_root, | |
300 | codec, &codec_reg_fops); | |
301 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
302 | dev_warn(codec->dev, |
303 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 304 | |
8eecaf62 | 305 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
306 | } |
307 | ||
308 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
309 | { | |
310 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
311 | } | |
312 | ||
731f1ab2 SG |
313 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
314 | { | |
315 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
316 | ||
317 | platform->debugfs_platform_root = debugfs_create_dir(platform->name, | |
318 | debugfs_card_root); | |
319 | if (!platform->debugfs_platform_root) { | |
320 | dev_warn(platform->dev, | |
f110bfc7 | 321 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
322 | return; |
323 | } | |
324 | ||
325 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
326 | platform->debugfs_platform_root); | |
327 | } | |
328 | ||
329 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
330 | { | |
331 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
332 | } | |
333 | ||
c3c5a19a MB |
334 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
335 | size_t count, loff_t *ppos) | |
336 | { | |
337 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 338 | ssize_t len, ret = 0; |
c3c5a19a MB |
339 | struct snd_soc_codec *codec; |
340 | ||
341 | if (!buf) | |
342 | return -ENOMEM; | |
343 | ||
2b194f9d MB |
344 | list_for_each_entry(codec, &codec_list, list) { |
345 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
346 | codec->name); | |
347 | if (len >= 0) | |
348 | ret += len; | |
349 | if (ret > PAGE_SIZE) { | |
350 | ret = PAGE_SIZE; | |
351 | break; | |
352 | } | |
353 | } | |
c3c5a19a MB |
354 | |
355 | if (ret >= 0) | |
356 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
357 | ||
358 | kfree(buf); | |
359 | ||
360 | return ret; | |
361 | } | |
362 | ||
363 | static const struct file_operations codec_list_fops = { | |
364 | .read = codec_list_read_file, | |
365 | .llseek = default_llseek,/* read accesses f_pos */ | |
366 | }; | |
367 | ||
f3208780 MB |
368 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
369 | size_t count, loff_t *ppos) | |
370 | { | |
371 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 372 | ssize_t len, ret = 0; |
f3208780 MB |
373 | struct snd_soc_dai *dai; |
374 | ||
375 | if (!buf) | |
376 | return -ENOMEM; | |
377 | ||
2b194f9d MB |
378 | list_for_each_entry(dai, &dai_list, list) { |
379 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); | |
380 | if (len >= 0) | |
381 | ret += len; | |
382 | if (ret > PAGE_SIZE) { | |
383 | ret = PAGE_SIZE; | |
384 | break; | |
385 | } | |
386 | } | |
f3208780 | 387 | |
2b194f9d | 388 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
389 | |
390 | kfree(buf); | |
391 | ||
392 | return ret; | |
393 | } | |
394 | ||
395 | static const struct file_operations dai_list_fops = { | |
396 | .read = dai_list_read_file, | |
397 | .llseek = default_llseek,/* read accesses f_pos */ | |
398 | }; | |
399 | ||
19c7ac27 MB |
400 | static ssize_t platform_list_read_file(struct file *file, |
401 | char __user *user_buf, | |
402 | size_t count, loff_t *ppos) | |
403 | { | |
404 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 405 | ssize_t len, ret = 0; |
19c7ac27 MB |
406 | struct snd_soc_platform *platform; |
407 | ||
408 | if (!buf) | |
409 | return -ENOMEM; | |
410 | ||
2b194f9d MB |
411 | list_for_each_entry(platform, &platform_list, list) { |
412 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
413 | platform->name); | |
414 | if (len >= 0) | |
415 | ret += len; | |
416 | if (ret > PAGE_SIZE) { | |
417 | ret = PAGE_SIZE; | |
418 | break; | |
419 | } | |
420 | } | |
19c7ac27 | 421 | |
2b194f9d | 422 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
423 | |
424 | kfree(buf); | |
425 | ||
426 | return ret; | |
427 | } | |
428 | ||
429 | static const struct file_operations platform_list_fops = { | |
430 | .read = platform_list_read_file, | |
431 | .llseek = default_llseek,/* read accesses f_pos */ | |
432 | }; | |
433 | ||
a6052154 JN |
434 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
435 | { | |
436 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 437 | snd_soc_debugfs_root); |
3a45b867 | 438 | if (!card->debugfs_card_root) { |
a6052154 | 439 | dev_warn(card->dev, |
7c08be84 | 440 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
441 | return; |
442 | } | |
443 | ||
444 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
445 | card->debugfs_card_root, | |
446 | &card->pop_time); | |
447 | if (!card->debugfs_pop_time) | |
448 | dev_warn(card->dev, | |
f110bfc7 | 449 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
450 | } |
451 | ||
452 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
453 | { | |
454 | debugfs_remove_recursive(card->debugfs_card_root); | |
455 | } | |
456 | ||
2624d5fa MB |
457 | #else |
458 | ||
459 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
460 | { | |
461 | } | |
462 | ||
463 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
464 | { | |
465 | } | |
b95fccbc | 466 | |
731f1ab2 SG |
467 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
468 | { | |
469 | } | |
470 | ||
471 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
472 | { | |
473 | } | |
474 | ||
b95fccbc AL |
475 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
476 | { | |
477 | } | |
478 | ||
479 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
480 | { | |
481 | } | |
2624d5fa MB |
482 | #endif |
483 | ||
47c88fff LG |
484 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
485 | const char *dai_link, int stream) | |
486 | { | |
487 | int i; | |
488 | ||
489 | for (i = 0; i < card->num_links; i++) { | |
490 | if (card->rtd[i].dai_link->no_pcm && | |
491 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
492 | return card->rtd[i].pcm->streams[stream].substream; | |
493 | } | |
f110bfc7 | 494 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
495 | return NULL; |
496 | } | |
497 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
498 | ||
499 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
500 | const char *dai_link) | |
501 | { | |
502 | int i; | |
503 | ||
504 | for (i = 0; i < card->num_links; i++) { | |
505 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
506 | return &card->rtd[i]; | |
507 | } | |
f110bfc7 | 508 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
509 | return NULL; |
510 | } | |
511 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
512 | ||
db2a4165 FM |
513 | #ifdef CONFIG_SND_SOC_AC97_BUS |
514 | /* unregister ac97 codec */ | |
515 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
516 | { | |
517 | if (codec->ac97->dev.bus) | |
518 | device_unregister(&codec->ac97->dev); | |
519 | return 0; | |
520 | } | |
521 | ||
522 | /* stop no dev release warning */ | |
523 | static void soc_ac97_device_release(struct device *dev){} | |
524 | ||
525 | /* register ac97 codec to bus */ | |
526 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
527 | { | |
528 | int err; | |
529 | ||
530 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 531 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
532 | codec->ac97->dev.release = soc_ac97_device_release; |
533 | ||
bb072bf0 | 534 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f0fba2ad | 535 | codec->card->snd_card->number, 0, codec->name); |
db2a4165 FM |
536 | err = device_register(&codec->ac97->dev); |
537 | if (err < 0) { | |
f110bfc7 | 538 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
539 | codec->ac97->dev.bus = NULL; |
540 | return err; | |
541 | } | |
542 | return 0; | |
543 | } | |
544 | #endif | |
545 | ||
6f8ab4ac | 546 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 547 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 548 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 549 | { |
6f8ab4ac | 550 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 551 | struct snd_soc_codec *codec; |
db2a4165 FM |
552 | int i; |
553 | ||
e3509ff0 DM |
554 | /* If the initialization of this soc device failed, there is no codec |
555 | * associated with it. Just bail out in this case. | |
556 | */ | |
f0fba2ad | 557 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
558 | return 0; |
559 | ||
6ed25978 AG |
560 | /* Due to the resume being scheduled into a workqueue we could |
561 | * suspend before that's finished - wait for it to complete. | |
562 | */ | |
f0fba2ad LG |
563 | snd_power_lock(card->snd_card); |
564 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
565 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
566 | |
567 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 568 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 569 | |
a00f90f9 | 570 | /* mute any active DACs */ |
f0fba2ad LG |
571 | for (i = 0; i < card->num_rtd; i++) { |
572 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
573 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 574 | |
f0fba2ad | 575 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
576 | continue; |
577 | ||
f0fba2ad LG |
578 | if (drv->ops->digital_mute && dai->playback_active) |
579 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
580 | } |
581 | ||
4ccab3e7 | 582 | /* suspend all pcms */ |
f0fba2ad LG |
583 | for (i = 0; i < card->num_rtd; i++) { |
584 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
585 | continue; |
586 | ||
f0fba2ad | 587 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 588 | } |
4ccab3e7 | 589 | |
87506549 | 590 | if (card->suspend_pre) |
70b2ac12 | 591 | card->suspend_pre(card); |
db2a4165 | 592 | |
f0fba2ad LG |
593 | for (i = 0; i < card->num_rtd; i++) { |
594 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
595 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 596 | |
f0fba2ad | 597 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
598 | continue; |
599 | ||
f0fba2ad LG |
600 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
601 | cpu_dai->driver->suspend(cpu_dai); | |
602 | if (platform->driver->suspend && !platform->suspended) { | |
603 | platform->driver->suspend(cpu_dai); | |
604 | platform->suspended = 1; | |
605 | } | |
db2a4165 FM |
606 | } |
607 | ||
608 | /* close any waiting streams and save state */ | |
f0fba2ad | 609 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 610 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 611 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 612 | } |
db2a4165 | 613 | |
f0fba2ad | 614 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 615 | |
f0fba2ad | 616 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
617 | continue; |
618 | ||
7bd3a6f3 MB |
619 | snd_soc_dapm_stream_event(&card->rtd[i], |
620 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 621 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 622 | |
7bd3a6f3 MB |
623 | snd_soc_dapm_stream_event(&card->rtd[i], |
624 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 625 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
626 | } |
627 | ||
e2d32ff6 MB |
628 | /* Recheck all analogue paths too */ |
629 | dapm_mark_io_dirty(&card->dapm); | |
630 | snd_soc_dapm_sync(&card->dapm); | |
631 | ||
f0fba2ad | 632 | /* suspend all CODECs */ |
2eea392d | 633 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
634 | /* If there are paths active then the CODEC will be held with |
635 | * bias _ON and should not be suspended. */ | |
636 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 637 | switch (codec->dapm.bias_level) { |
f0fba2ad | 638 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
639 | /* |
640 | * If the CODEC is capable of idle | |
641 | * bias off then being in STANDBY | |
642 | * means it's doing something, | |
643 | * otherwise fall through. | |
644 | */ | |
645 | if (codec->dapm.idle_bias_off) { | |
646 | dev_dbg(codec->dev, | |
10e8aa9a | 647 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
648 | break; |
649 | } | |
f0fba2ad | 650 | case SND_SOC_BIAS_OFF: |
84b315ee | 651 | codec->driver->suspend(codec); |
f0fba2ad | 652 | codec->suspended = 1; |
7be4ba24 | 653 | codec->cache_sync = 1; |
da8b8e0f MB |
654 | if (codec->using_regmap) |
655 | regcache_mark_dirty(codec->control_data); | |
f0fba2ad LG |
656 | break; |
657 | default: | |
10e8aa9a MM |
658 | dev_dbg(codec->dev, |
659 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
660 | break; |
661 | } | |
1547aba9 MB |
662 | } |
663 | } | |
db2a4165 | 664 | |
f0fba2ad LG |
665 | for (i = 0; i < card->num_rtd; i++) { |
666 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 667 | |
f0fba2ad | 668 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
669 | continue; |
670 | ||
f0fba2ad LG |
671 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
672 | cpu_dai->driver->suspend(cpu_dai); | |
db2a4165 FM |
673 | } |
674 | ||
87506549 | 675 | if (card->suspend_post) |
70b2ac12 | 676 | card->suspend_post(card); |
db2a4165 FM |
677 | |
678 | return 0; | |
679 | } | |
6f8ab4ac | 680 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 681 | |
6ed25978 AG |
682 | /* deferred resume work, so resume can complete before we finished |
683 | * setting our codec back up, which can be very slow on I2C | |
684 | */ | |
685 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 686 | { |
f0fba2ad LG |
687 | struct snd_soc_card *card = |
688 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 689 | struct snd_soc_codec *codec; |
db2a4165 FM |
690 | int i; |
691 | ||
6ed25978 AG |
692 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
693 | * so userspace apps are blocked from touching us | |
694 | */ | |
695 | ||
f110bfc7 | 696 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 697 | |
9949788b | 698 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 699 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 700 | |
87506549 | 701 | if (card->resume_pre) |
70b2ac12 | 702 | card->resume_pre(card); |
db2a4165 | 703 | |
f0fba2ad LG |
704 | /* resume AC97 DAIs */ |
705 | for (i = 0; i < card->num_rtd; i++) { | |
706 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 707 | |
f0fba2ad | 708 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
709 | continue; |
710 | ||
f0fba2ad LG |
711 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
712 | cpu_dai->driver->resume(cpu_dai); | |
713 | } | |
714 | ||
2eea392d | 715 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
716 | /* If the CODEC was idle over suspend then it will have been |
717 | * left with bias OFF or STANDBY and suspended so we must now | |
718 | * resume. Otherwise the suspend was suppressed. | |
719 | */ | |
720 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 721 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
722 | case SND_SOC_BIAS_STANDBY: |
723 | case SND_SOC_BIAS_OFF: | |
724 | codec->driver->resume(codec); | |
725 | codec->suspended = 0; | |
726 | break; | |
727 | default: | |
10e8aa9a MM |
728 | dev_dbg(codec->dev, |
729 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
730 | break; |
731 | } | |
1547aba9 MB |
732 | } |
733 | } | |
db2a4165 | 734 | |
f0fba2ad | 735 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 736 | |
f0fba2ad | 737 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
738 | continue; |
739 | ||
7bd3a6f3 | 740 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 741 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 742 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 743 | |
7bd3a6f3 | 744 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 745 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 746 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
747 | } |
748 | ||
3ff3f64b | 749 | /* unmute any active DACs */ |
f0fba2ad LG |
750 | for (i = 0; i < card->num_rtd; i++) { |
751 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
752 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 753 | |
f0fba2ad | 754 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
755 | continue; |
756 | ||
f0fba2ad LG |
757 | if (drv->ops->digital_mute && dai->playback_active) |
758 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
759 | } |
760 | ||
f0fba2ad LG |
761 | for (i = 0; i < card->num_rtd; i++) { |
762 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
763 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 764 | |
f0fba2ad | 765 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
766 | continue; |
767 | ||
f0fba2ad LG |
768 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
769 | cpu_dai->driver->resume(cpu_dai); | |
770 | if (platform->driver->resume && platform->suspended) { | |
771 | platform->driver->resume(cpu_dai); | |
772 | platform->suspended = 0; | |
773 | } | |
db2a4165 FM |
774 | } |
775 | ||
87506549 | 776 | if (card->resume_post) |
70b2ac12 | 777 | card->resume_post(card); |
db2a4165 | 778 | |
f110bfc7 | 779 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
780 | |
781 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 782 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
783 | |
784 | /* Recheck all analogue paths too */ | |
785 | dapm_mark_io_dirty(&card->dapm); | |
786 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
787 | } |
788 | ||
789 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 790 | int snd_soc_resume(struct device *dev) |
6ed25978 | 791 | { |
6f8ab4ac | 792 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 793 | int i, ac97_control = 0; |
b9dd94a8 | 794 | |
5ff1ddf2 EM |
795 | /* If the initialization of this soc device failed, there is no codec |
796 | * associated with it. Just bail out in this case. | |
797 | */ | |
798 | if (list_empty(&card->codec_dev_list)) | |
799 | return 0; | |
800 | ||
64ab9baa MB |
801 | /* AC97 devices might have other drivers hanging off them so |
802 | * need to resume immediately. Other drivers don't have that | |
803 | * problem and may take a substantial amount of time to resume | |
804 | * due to I/O costs and anti-pop so handle them out of line. | |
805 | */ | |
f0fba2ad LG |
806 | for (i = 0; i < card->num_rtd; i++) { |
807 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
808 | ac97_control |= cpu_dai->driver->ac97_control; |
809 | } | |
810 | if (ac97_control) { | |
f110bfc7 | 811 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
812 | soc_resume_deferred(&card->deferred_resume_work); |
813 | } else { | |
f110bfc7 | 814 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 815 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 816 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 817 | } |
6ed25978 | 818 | |
db2a4165 FM |
819 | return 0; |
820 | } | |
6f8ab4ac | 821 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 822 | #else |
6f8ab4ac MB |
823 | #define snd_soc_suspend NULL |
824 | #define snd_soc_resume NULL | |
db2a4165 FM |
825 | #endif |
826 | ||
85e7652d | 827 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
828 | }; |
829 | ||
f0fba2ad | 830 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 831 | { |
f0fba2ad LG |
832 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
833 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
fe3e78e0 | 834 | struct snd_soc_codec *codec; |
435c5e25 | 835 | struct snd_soc_platform *platform; |
f0fba2ad | 836 | struct snd_soc_dai *codec_dai, *cpu_dai; |
848dd8be | 837 | const char *platform_name; |
435c5e25 | 838 | |
f110bfc7 | 839 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 840 | |
b19e6e7b | 841 | /* Find CPU DAI from registered DAIs*/ |
f0fba2ad | 842 | list_for_each_entry(cpu_dai, &dai_list, list) { |
bc92657a SW |
843 | if (dai_link->cpu_of_node && |
844 | (cpu_dai->dev->of_node != dai_link->cpu_of_node)) | |
845 | continue; | |
846 | if (dai_link->cpu_name && | |
847 | strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name)) | |
848 | continue; | |
849 | if (dai_link->cpu_dai_name && | |
850 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
851 | continue; | |
2610ab77 SW |
852 | |
853 | rtd->cpu_dai = cpu_dai; | |
435c5e25 | 854 | } |
6308419a | 855 | |
b19e6e7b | 856 | if (!rtd->cpu_dai) { |
f110bfc7 | 857 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
858 | dai_link->cpu_dai_name); |
859 | return -EPROBE_DEFER; | |
f0fba2ad LG |
860 | } |
861 | ||
b19e6e7b | 862 | /* Find CODEC from registered CODECs */ |
f0fba2ad | 863 | list_for_each_entry(codec, &codec_list, list) { |
5a504963 SW |
864 | if (dai_link->codec_of_node) { |
865 | if (codec->dev->of_node != dai_link->codec_of_node) | |
866 | continue; | |
867 | } else { | |
868 | if (strcmp(codec->name, dai_link->codec_name)) | |
869 | continue; | |
870 | } | |
2610ab77 SW |
871 | |
872 | rtd->codec = codec; | |
873 | ||
874 | /* | |
875 | * CODEC found, so find CODEC DAI from registered DAIs from | |
876 | * this CODEC | |
877 | */ | |
878 | list_for_each_entry(codec_dai, &dai_list, list) { | |
879 | if (codec->dev == codec_dai->dev && | |
880 | !strcmp(codec_dai->name, | |
881 | dai_link->codec_dai_name)) { | |
f0fba2ad | 882 | |
2610ab77 | 883 | rtd->codec_dai = codec_dai; |
2610ab77 | 884 | } |
435c5e25 | 885 | } |
2610ab77 | 886 | |
b19e6e7b | 887 | if (!rtd->codec_dai) { |
f110bfc7 | 888 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", |
b19e6e7b MB |
889 | dai_link->codec_dai_name); |
890 | return -EPROBE_DEFER; | |
891 | } | |
f0fba2ad | 892 | } |
6b05eda6 | 893 | |
b19e6e7b | 894 | if (!rtd->codec) { |
f110bfc7 | 895 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
896 | dai_link->codec_name); |
897 | return -EPROBE_DEFER; | |
898 | } | |
848dd8be MB |
899 | |
900 | /* if there's no platform we match on the empty platform */ | |
901 | platform_name = dai_link->platform_name; | |
5a504963 | 902 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
903 | platform_name = "snd-soc-dummy"; |
904 | ||
b19e6e7b | 905 | /* find one from the set of registered platforms */ |
f0fba2ad | 906 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
907 | if (dai_link->platform_of_node) { |
908 | if (platform->dev->of_node != | |
909 | dai_link->platform_of_node) | |
910 | continue; | |
911 | } else { | |
912 | if (strcmp(platform->name, platform_name)) | |
913 | continue; | |
914 | } | |
2610ab77 SW |
915 | |
916 | rtd->platform = platform; | |
02a06d30 | 917 | } |
b19e6e7b | 918 | if (!rtd->platform) { |
f110bfc7 | 919 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 920 | dai_link->platform_name); |
b19e6e7b | 921 | return -EPROBE_DEFER; |
f0fba2ad | 922 | } |
b19e6e7b MB |
923 | |
924 | card->num_rtd++; | |
925 | ||
926 | return 0; | |
f0fba2ad LG |
927 | } |
928 | ||
d12cd198 SW |
929 | static int soc_remove_platform(struct snd_soc_platform *platform) |
930 | { | |
931 | int ret; | |
932 | ||
933 | if (platform->driver->remove) { | |
934 | ret = platform->driver->remove(platform); | |
935 | if (ret < 0) | |
f110bfc7 LG |
936 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
937 | ret); | |
d12cd198 SW |
938 | } |
939 | ||
940 | /* Make sure all DAPM widgets are freed */ | |
941 | snd_soc_dapm_free(&platform->dapm); | |
942 | ||
943 | soc_cleanup_platform_debugfs(platform); | |
944 | platform->probed = 0; | |
945 | list_del(&platform->card_list); | |
946 | module_put(platform->dev->driver->owner); | |
947 | ||
948 | return 0; | |
949 | } | |
950 | ||
589c3563 JN |
951 | static void soc_remove_codec(struct snd_soc_codec *codec) |
952 | { | |
953 | int err; | |
954 | ||
955 | if (codec->driver->remove) { | |
956 | err = codec->driver->remove(codec); | |
957 | if (err < 0) | |
f110bfc7 | 958 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
959 | } |
960 | ||
961 | /* Make sure all DAPM widgets are freed */ | |
962 | snd_soc_dapm_free(&codec->dapm); | |
963 | ||
964 | soc_cleanup_codec_debugfs(codec); | |
965 | codec->probed = 0; | |
966 | list_del(&codec->card_list); | |
967 | module_put(codec->dev->driver->owner); | |
968 | } | |
969 | ||
62ae68fa | 970 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
971 | { |
972 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad LG |
973 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
974 | int err; | |
975 | ||
976 | /* unregister the rtd device */ | |
977 | if (rtd->dev_registered) { | |
36ae1a96 MB |
978 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); |
979 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
980 | device_unregister(rtd->dev); | |
f0fba2ad LG |
981 | rtd->dev_registered = 0; |
982 | } | |
983 | ||
984 | /* remove the CODEC DAI */ | |
0168bf0d LG |
985 | if (codec_dai && codec_dai->probed && |
986 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
987 | if (codec_dai->driver->remove) { |
988 | err = codec_dai->driver->remove(codec_dai); | |
989 | if (err < 0) | |
f110bfc7 LG |
990 | dev_err(codec_dai->dev, |
991 | "ASoC: failed to remove %s: %d\n", | |
992 | codec_dai->name, err); | |
6b05eda6 | 993 | } |
f0fba2ad LG |
994 | codec_dai->probed = 0; |
995 | list_del(&codec_dai->card_list); | |
996 | } | |
6b05eda6 | 997 | |
f0fba2ad | 998 | /* remove the cpu_dai */ |
0168bf0d LG |
999 | if (cpu_dai && cpu_dai->probed && |
1000 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1001 | if (cpu_dai->driver->remove) { |
1002 | err = cpu_dai->driver->remove(cpu_dai); | |
1003 | if (err < 0) | |
f110bfc7 LG |
1004 | dev_err(cpu_dai->dev, |
1005 | "ASoC: failed to remove %s: %d\n", | |
1006 | cpu_dai->name, err); | |
db2a4165 | 1007 | } |
f0fba2ad LG |
1008 | cpu_dai->probed = 0; |
1009 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 1010 | |
18d75644 SW |
1011 | if (!cpu_dai->codec) { |
1012 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1013 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1014 | } |
db2a4165 | 1015 | } |
f0fba2ad | 1016 | } |
db2a4165 | 1017 | |
62ae68fa SW |
1018 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1019 | int order) | |
1020 | { | |
1021 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1022 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1023 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1024 | struct snd_soc_platform *platform = rtd->platform; | |
1025 | struct snd_soc_codec *codec; | |
1026 | ||
1027 | /* remove the platform */ | |
1028 | if (platform && platform->probed && | |
1029 | platform->driver->remove_order == order) { | |
1030 | soc_remove_platform(platform); | |
1031 | } | |
1032 | ||
1033 | /* remove the CODEC-side CODEC */ | |
1034 | if (codec_dai) { | |
1035 | codec = codec_dai->codec; | |
1036 | if (codec && codec->probed && | |
1037 | codec->driver->remove_order == order) | |
1038 | soc_remove_codec(codec); | |
1039 | } | |
1040 | ||
1041 | /* remove any CPU-side CODEC */ | |
1042 | if (cpu_dai) { | |
1043 | codec = cpu_dai->codec; | |
1044 | if (codec && codec->probed && | |
1045 | codec->driver->remove_order == order) | |
1046 | soc_remove_codec(codec); | |
1047 | } | |
1048 | } | |
1049 | ||
0671fd8e KM |
1050 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1051 | { | |
0168bf0d | 1052 | int dai, order; |
0671fd8e | 1053 | |
0168bf0d LG |
1054 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1055 | order++) { | |
1056 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1057 | soc_remove_link_dais(card, dai, order); |
1058 | } | |
1059 | ||
1060 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1061 | order++) { | |
1062 | for (dai = 0; dai < card->num_rtd; dai++) | |
1063 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1064 | } |
62ae68fa | 1065 | |
0671fd8e KM |
1066 | card->num_rtd = 0; |
1067 | } | |
1068 | ||
ead9b919 JN |
1069 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1070 | struct snd_soc_codec *codec) | |
1071 | { | |
1072 | int i; | |
1073 | ||
ff819b83 | 1074 | if (card->codec_conf == NULL) |
ead9b919 JN |
1075 | return; |
1076 | ||
ff819b83 DP |
1077 | for (i = 0; i < card->num_configs; i++) { |
1078 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1079 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1080 | codec->name_prefix = map->name_prefix; | |
1081 | break; | |
1082 | } | |
1083 | } | |
1084 | } | |
1085 | ||
589c3563 JN |
1086 | static int soc_probe_codec(struct snd_soc_card *card, |
1087 | struct snd_soc_codec *codec) | |
1088 | { | |
1089 | int ret = 0; | |
89b95ac0 | 1090 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1091 | struct snd_soc_dai *dai; |
589c3563 JN |
1092 | |
1093 | codec->card = card; | |
1094 | codec->dapm.card = card; | |
1095 | soc_set_name_prefix(card, codec); | |
1096 | ||
70d29331 JN |
1097 | if (!try_module_get(codec->dev->driver->owner)) |
1098 | return -ENODEV; | |
1099 | ||
d5d1e0be LPC |
1100 | soc_init_codec_debugfs(codec); |
1101 | ||
77530150 LPC |
1102 | if (driver->dapm_widgets) |
1103 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, | |
1104 | driver->num_dapm_widgets); | |
1105 | ||
888df395 MB |
1106 | /* Create DAPM widgets for each DAI stream */ |
1107 | list_for_each_entry(dai, &dai_list, list) { | |
1108 | if (dai->dev != codec->dev) | |
1109 | continue; | |
1110 | ||
1111 | snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1112 | } | |
1113 | ||
33c5f969 MB |
1114 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1115 | ||
89b95ac0 MB |
1116 | if (driver->probe) { |
1117 | ret = driver->probe(codec); | |
589c3563 JN |
1118 | if (ret < 0) { |
1119 | dev_err(codec->dev, | |
f110bfc7 | 1120 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1121 | goto err_probe; |
589c3563 | 1122 | } |
ff541f4b CL |
1123 | WARN(codec->dapm.idle_bias_off && |
1124 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a MM |
1125 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
1126 | codec->name); | |
589c3563 JN |
1127 | } |
1128 | ||
38cbf959 | 1129 | /* If the driver didn't set I/O up try regmap */ |
98d3088e | 1130 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) |
38cbf959 MB |
1131 | snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); |
1132 | ||
b7af1daf | 1133 | if (driver->controls) |
022658be | 1134 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1135 | driver->num_controls); |
89b95ac0 MB |
1136 | if (driver->dapm_routes) |
1137 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1138 | driver->num_dapm_routes); | |
1139 | ||
589c3563 JN |
1140 | /* mark codec as probed and add to card codec list */ |
1141 | codec->probed = 1; | |
1142 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1143 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1144 | |
70d29331 JN |
1145 | return 0; |
1146 | ||
1147 | err_probe: | |
d5d1e0be | 1148 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1149 | module_put(codec->dev->driver->owner); |
1150 | ||
589c3563 JN |
1151 | return ret; |
1152 | } | |
1153 | ||
956245e9 LG |
1154 | static int soc_probe_platform(struct snd_soc_card *card, |
1155 | struct snd_soc_platform *platform) | |
1156 | { | |
1157 | int ret = 0; | |
1158 | const struct snd_soc_platform_driver *driver = platform->driver; | |
be09ad90 | 1159 | struct snd_soc_dai *dai; |
956245e9 LG |
1160 | |
1161 | platform->card = card; | |
b7950641 | 1162 | platform->dapm.card = card; |
956245e9 LG |
1163 | |
1164 | if (!try_module_get(platform->dev->driver->owner)) | |
1165 | return -ENODEV; | |
1166 | ||
731f1ab2 SG |
1167 | soc_init_platform_debugfs(platform); |
1168 | ||
cb2cf612 LG |
1169 | if (driver->dapm_widgets) |
1170 | snd_soc_dapm_new_controls(&platform->dapm, | |
1171 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1172 | ||
be09ad90 LG |
1173 | /* Create DAPM widgets for each DAI stream */ |
1174 | list_for_each_entry(dai, &dai_list, list) { | |
1175 | if (dai->dev != platform->dev) | |
1176 | continue; | |
1177 | ||
1178 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
1179 | } | |
1180 | ||
3fec6b6d SW |
1181 | platform->dapm.idle_bias_off = 1; |
1182 | ||
956245e9 LG |
1183 | if (driver->probe) { |
1184 | ret = driver->probe(platform); | |
1185 | if (ret < 0) { | |
1186 | dev_err(platform->dev, | |
f110bfc7 | 1187 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1188 | goto err_probe; |
1189 | } | |
1190 | } | |
1191 | ||
cb2cf612 LG |
1192 | if (driver->controls) |
1193 | snd_soc_add_platform_controls(platform, driver->controls, | |
1194 | driver->num_controls); | |
1195 | if (driver->dapm_routes) | |
1196 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1197 | driver->num_dapm_routes); | |
1198 | ||
956245e9 LG |
1199 | /* mark platform as probed and add to card platform list */ |
1200 | platform->probed = 1; | |
1201 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1202 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1203 | |
1204 | return 0; | |
1205 | ||
1206 | err_probe: | |
02db1103 | 1207 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1208 | module_put(platform->dev->driver->owner); |
1209 | ||
1210 | return ret; | |
1211 | } | |
1212 | ||
36ae1a96 MB |
1213 | static void rtd_release(struct device *dev) |
1214 | { | |
1215 | kfree(dev); | |
1216 | } | |
f0fba2ad | 1217 | |
589c3563 JN |
1218 | static int soc_post_component_init(struct snd_soc_card *card, |
1219 | struct snd_soc_codec *codec, | |
1220 | int num, int dailess) | |
1221 | { | |
1222 | struct snd_soc_dai_link *dai_link = NULL; | |
1223 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1224 | struct snd_soc_pcm_runtime *rtd; | |
1225 | const char *temp, *name; | |
1226 | int ret = 0; | |
1227 | ||
1228 | if (!dailess) { | |
1229 | dai_link = &card->dai_link[num]; | |
1230 | rtd = &card->rtd[num]; | |
1231 | name = dai_link->name; | |
1232 | } else { | |
1233 | aux_dev = &card->aux_dev[num]; | |
1234 | rtd = &card->rtd_aux[num]; | |
1235 | name = aux_dev->name; | |
1236 | } | |
0962bb21 | 1237 | rtd->card = card; |
589c3563 | 1238 | |
4b1cfcb4 MB |
1239 | /* Make sure all DAPM widgets are instantiated */ |
1240 | snd_soc_dapm_new_widgets(&codec->dapm); | |
1241 | ||
589c3563 JN |
1242 | /* machine controls, routes and widgets are not prefixed */ |
1243 | temp = codec->name_prefix; | |
1244 | codec->name_prefix = NULL; | |
1245 | ||
1246 | /* do machine specific initialization */ | |
1247 | if (!dailess && dai_link->init) | |
1248 | ret = dai_link->init(rtd); | |
1249 | else if (dailess && aux_dev->init) | |
1250 | ret = aux_dev->init(&codec->dapm); | |
1251 | if (ret < 0) { | |
f110bfc7 | 1252 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1253 | return ret; |
1254 | } | |
1255 | codec->name_prefix = temp; | |
1256 | ||
589c3563 JN |
1257 | /* register the rtd device */ |
1258 | rtd->codec = codec; | |
36ae1a96 MB |
1259 | |
1260 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1261 | if (!rtd->dev) | |
1262 | return -ENOMEM; | |
1263 | device_initialize(rtd->dev); | |
1264 | rtd->dev->parent = card->dev; | |
1265 | rtd->dev->release = rtd_release; | |
1266 | rtd->dev->init_name = name; | |
1267 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1268 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1269 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1270 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1271 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1272 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1273 | ret = device_add(rtd->dev); |
589c3563 | 1274 | if (ret < 0) { |
865df9cb CL |
1275 | /* calling put_device() here to free the rtd->dev */ |
1276 | put_device(rtd->dev); | |
589c3563 | 1277 | dev_err(card->dev, |
f110bfc7 | 1278 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1279 | return ret; |
1280 | } | |
1281 | rtd->dev_registered = 1; | |
1282 | ||
1283 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1284 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1285 | if (ret < 0) |
1286 | dev_err(codec->dev, | |
f110bfc7 | 1287 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1288 | |
1289 | /* add codec sysfs entries */ | |
36ae1a96 | 1290 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1291 | if (ret < 0) |
1292 | dev_err(codec->dev, | |
f110bfc7 | 1293 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1294 | |
f86dcef8 LG |
1295 | #ifdef CONFIG_DEBUG_FS |
1296 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1297 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1298 | goto out; |
1299 | ||
1300 | ret = soc_dpcm_debugfs_add(rtd); | |
1301 | if (ret < 0) | |
f110bfc7 | 1302 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1303 | |
1304 | out: | |
1305 | #endif | |
589c3563 JN |
1306 | return 0; |
1307 | } | |
1308 | ||
62ae68fa SW |
1309 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1310 | int order) | |
1311 | { | |
1312 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1313 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1314 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1315 | struct snd_soc_platform *platform = rtd->platform; | |
1316 | int ret; | |
1317 | ||
1318 | /* probe the CPU-side component, if it is a CODEC */ | |
1319 | if (cpu_dai->codec && | |
1320 | !cpu_dai->codec->probed && | |
1321 | cpu_dai->codec->driver->probe_order == order) { | |
1322 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1323 | if (ret < 0) | |
1324 | return ret; | |
1325 | } | |
1326 | ||
1327 | /* probe the CODEC-side component */ | |
1328 | if (!codec_dai->codec->probed && | |
1329 | codec_dai->codec->driver->probe_order == order) { | |
1330 | ret = soc_probe_codec(card, codec_dai->codec); | |
1331 | if (ret < 0) | |
1332 | return ret; | |
1333 | } | |
1334 | ||
1335 | /* probe the platform */ | |
1336 | if (!platform->probed && | |
1337 | platform->driver->probe_order == order) { | |
1338 | ret = soc_probe_platform(card, platform); | |
1339 | if (ret < 0) | |
1340 | return ret; | |
1341 | } | |
1342 | ||
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) | |
f0fba2ad LG |
1347 | { |
1348 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1349 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1350 | struct snd_soc_codec *codec = rtd->codec; | |
1351 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1352 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1353 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1354 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
f0fba2ad LG |
1355 | int ret; |
1356 | ||
f110bfc7 | 1357 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1358 | card->name, num, order); |
f0fba2ad LG |
1359 | |
1360 | /* config components */ | |
f0fba2ad | 1361 | cpu_dai->platform = platform; |
f0fba2ad LG |
1362 | codec_dai->card = card; |
1363 | cpu_dai->card = card; | |
1364 | ||
1365 | /* set default power off timeout */ | |
1366 | rtd->pmdown_time = pmdown_time; | |
1367 | ||
1368 | /* probe the cpu_dai */ | |
0168bf0d LG |
1369 | if (!cpu_dai->probed && |
1370 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1371 | if (!cpu_dai->codec) { |
1372 | cpu_dai->dapm.card = card; | |
1373 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1374 | return -ENODEV; | |
61b61e3c | 1375 | |
18d75644 | 1376 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe SW |
1377 | snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai); |
1378 | } | |
be09ad90 | 1379 | |
f0fba2ad LG |
1380 | if (cpu_dai->driver->probe) { |
1381 | ret = cpu_dai->driver->probe(cpu_dai); | |
1382 | if (ret < 0) { | |
f110bfc7 LG |
1383 | dev_err(cpu_dai->dev, |
1384 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1385 | cpu_dai->name, ret); | |
61b61e3c | 1386 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1387 | return ret; |
1388 | } | |
1389 | } | |
1390 | cpu_dai->probed = 1; | |
1c8371d6 | 1391 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1392 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1393 | } |
1394 | ||
f0fba2ad | 1395 | /* probe the CODEC DAI */ |
0168bf0d | 1396 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { |
f0fba2ad LG |
1397 | if (codec_dai->driver->probe) { |
1398 | ret = codec_dai->driver->probe(codec_dai); | |
fe3e78e0 | 1399 | if (ret < 0) { |
f110bfc7 LG |
1400 | dev_err(codec_dai->dev, |
1401 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1402 | codec_dai->name, ret); | |
f0fba2ad | 1403 | return ret; |
fe3e78e0 MB |
1404 | } |
1405 | } | |
f0fba2ad | 1406 | |
1c8371d6 | 1407 | /* mark codec_dai as probed and add to card dai list */ |
f0fba2ad LG |
1408 | codec_dai->probed = 1; |
1409 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
fe3e78e0 MB |
1410 | } |
1411 | ||
0168bf0d LG |
1412 | /* complete DAI probe during last probe */ |
1413 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1414 | return 0; | |
1415 | ||
589c3563 JN |
1416 | ret = soc_post_component_init(card, codec, num, 0); |
1417 | if (ret) | |
f0fba2ad | 1418 | return ret; |
fe3e78e0 | 1419 | |
36ae1a96 | 1420 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1421 | if (ret < 0) |
f110bfc7 LG |
1422 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1423 | ret); | |
f0fba2ad | 1424 | |
1245b700 NK |
1425 | if (cpu_dai->driver->compress_dai) { |
1426 | /*create compress_device"*/ | |
1427 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1428 | if (ret < 0) { |
f110bfc7 | 1429 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1430 | dai_link->stream_name); |
c74184ed MB |
1431 | return ret; |
1432 | } | |
1433 | } else { | |
1245b700 NK |
1434 | |
1435 | if (!dai_link->params) { | |
1436 | /* create the pcm */ | |
1437 | ret = soc_new_pcm(rtd, num); | |
1438 | if (ret < 0) { | |
f110bfc7 | 1439 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1440 | dai_link->stream_name, ret); |
c74184ed MB |
1441 | return ret; |
1442 | } | |
1245b700 NK |
1443 | } else { |
1444 | /* link the DAI widgets */ | |
1445 | play_w = codec_dai->playback_widget; | |
1446 | capture_w = cpu_dai->capture_widget; | |
1447 | if (play_w && capture_w) { | |
1448 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1449 | capture_w, play_w); | |
1450 | if (ret != 0) { | |
f110bfc7 | 1451 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1452 | play_w->name, capture_w->name, ret); |
1453 | return ret; | |
1454 | } | |
1455 | } | |
c74184ed | 1456 | |
1245b700 NK |
1457 | play_w = cpu_dai->playback_widget; |
1458 | capture_w = codec_dai->capture_widget; | |
1459 | if (play_w && capture_w) { | |
1460 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c74184ed | 1461 | capture_w, play_w); |
1245b700 | 1462 | if (ret != 0) { |
f110bfc7 | 1463 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1464 | play_w->name, capture_w->name, ret); |
1465 | return ret; | |
1466 | } | |
c74184ed MB |
1467 | } |
1468 | } | |
f0fba2ad LG |
1469 | } |
1470 | ||
1471 | /* add platform data for AC97 devices */ | |
1472 | if (rtd->codec_dai->driver->ac97_control) | |
1473 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1474 | ||
1475 | return 0; | |
1476 | } | |
1477 | ||
fe3e78e0 | 1478 | #ifdef CONFIG_SND_SOC_AC97_BUS |
f0fba2ad LG |
1479 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1480 | { | |
1481 | int ret; | |
1482 | ||
fe3e78e0 MB |
1483 | /* Only instantiate AC97 if not already done by the adaptor |
1484 | * for the generic AC97 subsystem. | |
1485 | */ | |
f0fba2ad | 1486 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
0562f788 MW |
1487 | /* |
1488 | * It is possible that the AC97 device is already registered to | |
1489 | * the device subsystem. This happens when the device is created | |
1490 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1491 | * is the generic AC97 glue but others migh emerge. | |
1492 | * | |
1493 | * In those cases we don't try to register the device again. | |
1494 | */ | |
1495 | if (!rtd->codec->ac97_created) | |
1496 | return 0; | |
f0fba2ad LG |
1497 | |
1498 | ret = soc_ac97_dev_register(rtd->codec); | |
fe3e78e0 | 1499 | if (ret < 0) { |
f110bfc7 LG |
1500 | dev_err(rtd->codec->dev, |
1501 | "ASoC: AC97 device register failed: %d\n", ret); | |
f0fba2ad | 1502 | return ret; |
fe3e78e0 | 1503 | } |
f0fba2ad LG |
1504 | |
1505 | rtd->codec->ac97_registered = 1; | |
fe3e78e0 | 1506 | } |
f0fba2ad LG |
1507 | return 0; |
1508 | } | |
1509 | ||
1510 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) | |
1511 | { | |
1512 | if (codec->ac97_registered) { | |
1513 | soc_ac97_dev_unregister(codec); | |
1514 | codec->ac97_registered = 0; | |
1515 | } | |
1516 | } | |
fe3e78e0 MB |
1517 | #endif |
1518 | ||
b19e6e7b MB |
1519 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1520 | { | |
1521 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1522 | struct snd_soc_codec *codec; | |
1523 | ||
1524 | /* find CODEC from registered CODECs*/ | |
1525 | list_for_each_entry(codec, &codec_list, list) { | |
1526 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1527 | return 0; | |
1528 | } | |
1529 | ||
f110bfc7 | 1530 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1531 | |
b19e6e7b MB |
1532 | return -EPROBE_DEFER; |
1533 | } | |
1534 | ||
2eea392d JN |
1535 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1536 | { | |
1537 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1538 | struct snd_soc_codec *codec; |
676ad98a | 1539 | int ret = -ENODEV; |
2eea392d JN |
1540 | |
1541 | /* find CODEC from registered CODECs*/ | |
1542 | list_for_each_entry(codec, &codec_list, list) { | |
1543 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1544 | if (codec->probed) { | |
1545 | dev_err(codec->dev, | |
f110bfc7 | 1546 | "ASoC: codec already probed"); |
2eea392d JN |
1547 | ret = -EBUSY; |
1548 | goto out; | |
1549 | } | |
676ad98a | 1550 | goto found; |
2eea392d JN |
1551 | } |
1552 | } | |
676ad98a | 1553 | /* codec not found */ |
f110bfc7 | 1554 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1555 | return -EPROBE_DEFER; |
2eea392d | 1556 | |
676ad98a | 1557 | found: |
589c3563 | 1558 | ret = soc_probe_codec(card, codec); |
2eea392d | 1559 | if (ret < 0) |
589c3563 | 1560 | return ret; |
2eea392d | 1561 | |
589c3563 | 1562 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1563 | |
1564 | out: | |
1565 | return ret; | |
1566 | } | |
1567 | ||
1568 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1569 | { | |
1570 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1571 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1572 | |
1573 | /* unregister the rtd device */ | |
1574 | if (rtd->dev_registered) { | |
36ae1a96 | 1575 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1576 | device_unregister(rtd->dev); |
2eea392d JN |
1577 | rtd->dev_registered = 0; |
1578 | } | |
1579 | ||
589c3563 JN |
1580 | if (codec && codec->probed) |
1581 | soc_remove_codec(codec); | |
2eea392d JN |
1582 | } |
1583 | ||
fdf0f54d DP |
1584 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
1585 | enum snd_soc_compress_type compress_type) | |
1586 | { | |
1587 | int ret; | |
1588 | ||
1589 | if (codec->cache_init) | |
1590 | return 0; | |
1591 | ||
1592 | /* override the compress_type if necessary */ | |
1593 | if (compress_type && codec->compress_type != compress_type) | |
1594 | codec->compress_type = compress_type; | |
fdf0f54d DP |
1595 | ret = snd_soc_cache_init(codec); |
1596 | if (ret < 0) { | |
10e8aa9a MM |
1597 | dev_err(codec->dev, |
1598 | "ASoC: Failed to set cache compression type: %d\n", | |
1599 | ret); | |
fdf0f54d DP |
1600 | return ret; |
1601 | } | |
1602 | codec->cache_init = 1; | |
1603 | return 0; | |
1604 | } | |
1605 | ||
b19e6e7b | 1606 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1607 | { |
fdf0f54d DP |
1608 | struct snd_soc_codec *codec; |
1609 | struct snd_soc_codec_conf *codec_conf; | |
1610 | enum snd_soc_compress_type compress_type; | |
75d9ac46 | 1611 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1612 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1613 | |
01b9d99a | 1614 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1615 | |
f0fba2ad | 1616 | /* bind DAIs */ |
b19e6e7b MB |
1617 | for (i = 0; i < card->num_links; i++) { |
1618 | ret = soc_bind_dai_link(card, i); | |
1619 | if (ret != 0) | |
1620 | goto base_error; | |
1621 | } | |
fe3e78e0 | 1622 | |
b19e6e7b MB |
1623 | /* check aux_devs too */ |
1624 | for (i = 0; i < card->num_aux_devs; i++) { | |
1625 | ret = soc_check_aux_dev(card, i); | |
1626 | if (ret != 0) | |
1627 | goto base_error; | |
f0fba2ad | 1628 | } |
435c5e25 | 1629 | |
fdf0f54d DP |
1630 | /* initialize the register cache for each available codec */ |
1631 | list_for_each_entry(codec, &codec_list, list) { | |
1632 | if (codec->cache_init) | |
1633 | continue; | |
861f2faf DP |
1634 | /* by default we don't override the compress_type */ |
1635 | compress_type = 0; | |
fdf0f54d DP |
1636 | /* check to see if we need to override the compress_type */ |
1637 | for (i = 0; i < card->num_configs; ++i) { | |
1638 | codec_conf = &card->codec_conf[i]; | |
1639 | if (!strcmp(codec->name, codec_conf->dev_name)) { | |
1640 | compress_type = codec_conf->compress_type; | |
1641 | if (compress_type && compress_type | |
1642 | != codec->compress_type) | |
1643 | break; | |
1644 | } | |
1645 | } | |
fdf0f54d | 1646 | ret = snd_soc_init_codec_cache(codec, compress_type); |
b19e6e7b MB |
1647 | if (ret < 0) |
1648 | goto base_error; | |
fdf0f54d DP |
1649 | } |
1650 | ||
f0fba2ad LG |
1651 | /* card bind complete so register a sound card */ |
1652 | ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, | |
1653 | card->owner, 0, &card->snd_card); | |
1654 | if (ret < 0) { | |
10e8aa9a MM |
1655 | dev_err(card->dev, |
1656 | "ASoC: can't create sound card for card %s: %d\n", | |
1657 | card->name, ret); | |
b19e6e7b | 1658 | goto base_error; |
f0fba2ad LG |
1659 | } |
1660 | card->snd_card->dev = card->dev; | |
1661 | ||
e37a4970 MB |
1662 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1663 | card->dapm.dev = card->dev; | |
1664 | card->dapm.card = card; | |
1665 | list_add(&card->dapm.list, &card->dapm_list); | |
1666 | ||
d5d1e0be LPC |
1667 | #ifdef CONFIG_DEBUG_FS |
1668 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1669 | #endif | |
1670 | ||
88ee1c61 | 1671 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1672 | /* deferred resume work */ |
1673 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1674 | #endif | |
db2a4165 | 1675 | |
9a841ebb MB |
1676 | if (card->dapm_widgets) |
1677 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1678 | card->num_dapm_widgets); | |
1679 | ||
f0fba2ad LG |
1680 | /* initialise the sound card only once */ |
1681 | if (card->probe) { | |
e7361ec4 | 1682 | ret = card->probe(card); |
f0fba2ad LG |
1683 | if (ret < 0) |
1684 | goto card_probe_error; | |
1685 | } | |
fe3e78e0 | 1686 | |
62ae68fa | 1687 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1688 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1689 | order++) { | |
1690 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1691 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1692 | if (ret < 0) { |
f110bfc7 LG |
1693 | dev_err(card->dev, |
1694 | "ASoC: failed to instantiate card %d\n", | |
1695 | ret); | |
62ae68fa SW |
1696 | goto probe_dai_err; |
1697 | } | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | /* probe all DAI links on this card */ | |
1702 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1703 | order++) { | |
1704 | for (i = 0; i < card->num_links; i++) { | |
1705 | ret = soc_probe_link_dais(card, i, order); | |
1706 | if (ret < 0) { | |
f110bfc7 LG |
1707 | dev_err(card->dev, |
1708 | "ASoC: failed to instantiate card %d\n", | |
1709 | ret); | |
0168bf0d LG |
1710 | goto probe_dai_err; |
1711 | } | |
f0fba2ad LG |
1712 | } |
1713 | } | |
db2a4165 | 1714 | |
2eea392d JN |
1715 | for (i = 0; i < card->num_aux_devs; i++) { |
1716 | ret = soc_probe_aux_dev(card, i); | |
1717 | if (ret < 0) { | |
f110bfc7 LG |
1718 | dev_err(card->dev, |
1719 | "ASoC: failed to add auxiliary devices %d\n", | |
1720 | ret); | |
2eea392d JN |
1721 | goto probe_aux_dev_err; |
1722 | } | |
1723 | } | |
1724 | ||
888df395 MB |
1725 | snd_soc_dapm_link_dai_widgets(card); |
1726 | ||
b7af1daf | 1727 | if (card->controls) |
022658be | 1728 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1729 | |
b8ad29de MB |
1730 | if (card->dapm_routes) |
1731 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1732 | card->num_dapm_routes); | |
1733 | ||
b90d2f90 MB |
1734 | snd_soc_dapm_new_widgets(&card->dapm); |
1735 | ||
75d9ac46 MB |
1736 | for (i = 0; i < card->num_links; i++) { |
1737 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1738 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1739 | |
f04209a7 | 1740 | if (dai_fmt) { |
75d9ac46 | 1741 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1742 | dai_fmt); |
5e4ba569 | 1743 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1744 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1745 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1746 | ret); |
f04209a7 MB |
1747 | } |
1748 | ||
1749 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1750 | if (dai_fmt && |
1751 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1752 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1753 | dai_fmt); | |
1754 | if (ret != 0 && ret != -ENOTSUPP) | |
1755 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1756 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1757 | ret); |
1758 | } else if (dai_fmt) { | |
1759 | /* Flip the polarity for the "CPU" end */ | |
1760 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1761 | switch (dai_link->dai_fmt & | |
1762 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1763 | case SND_SOC_DAIFMT_CBM_CFM: | |
1764 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1765 | break; | |
1766 | case SND_SOC_DAIFMT_CBM_CFS: | |
1767 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1768 | break; | |
1769 | case SND_SOC_DAIFMT_CBS_CFM: | |
1770 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1771 | break; | |
1772 | case SND_SOC_DAIFMT_CBS_CFS: | |
1773 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1774 | break; | |
1775 | } | |
75d9ac46 MB |
1776 | |
1777 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1778 | dai_fmt); |
5e4ba569 | 1779 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1780 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1781 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1782 | ret); |
1783 | } | |
1784 | } | |
1785 | ||
f0fba2ad | 1786 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1787 | "%s", card->name); |
22de71ba LG |
1788 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1789 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1790 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1791 | "%s", card->driver_name ? card->driver_name : card->name); | |
1792 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1793 | switch (card->snd_card->driver[i]) { | |
1794 | case '_': | |
1795 | case '-': | |
1796 | case '\0': | |
1797 | break; | |
1798 | default: | |
1799 | if (!isalnum(card->snd_card->driver[i])) | |
1800 | card->snd_card->driver[i] = '_'; | |
1801 | break; | |
1802 | } | |
1803 | } | |
f0fba2ad | 1804 | |
28e9ad92 MB |
1805 | if (card->late_probe) { |
1806 | ret = card->late_probe(card); | |
1807 | if (ret < 0) { | |
f110bfc7 | 1808 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1809 | card->name, ret); |
1810 | goto probe_aux_dev_err; | |
1811 | } | |
1812 | } | |
1813 | ||
2dc00213 MB |
1814 | snd_soc_dapm_new_widgets(&card->dapm); |
1815 | ||
1633281b | 1816 | if (card->fully_routed) |
b05d8dc1 | 1817 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1818 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1819 | ||
f0fba2ad LG |
1820 | ret = snd_card_register(card->snd_card); |
1821 | if (ret < 0) { | |
f110bfc7 LG |
1822 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1823 | ret); | |
6b3ed785 | 1824 | goto probe_aux_dev_err; |
db2a4165 FM |
1825 | } |
1826 | ||
f0fba2ad LG |
1827 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1828 | /* register any AC97 codecs */ | |
1829 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1830 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1831 | if (ret < 0) { | |
10e8aa9a MM |
1832 | dev_err(card->dev, |
1833 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1834 | while (--i >= 0) |
7d8316df | 1835 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
6b3ed785 | 1836 | goto probe_aux_dev_err; |
f0fba2ad | 1837 | } |
6b3ed785 | 1838 | } |
f0fba2ad LG |
1839 | #endif |
1840 | ||
1841 | card->instantiated = 1; | |
4f4c0072 | 1842 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1843 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1844 | |
1845 | return 0; | |
f0fba2ad | 1846 | |
2eea392d JN |
1847 | probe_aux_dev_err: |
1848 | for (i = 0; i < card->num_aux_devs; i++) | |
1849 | soc_remove_aux_dev(card, i); | |
1850 | ||
f0fba2ad | 1851 | probe_dai_err: |
0671fd8e | 1852 | soc_remove_dai_links(card); |
f0fba2ad LG |
1853 | |
1854 | card_probe_error: | |
87506549 | 1855 | if (card->remove) |
e7361ec4 | 1856 | card->remove(card); |
f0fba2ad LG |
1857 | |
1858 | snd_card_free(card->snd_card); | |
1859 | ||
b19e6e7b | 1860 | base_error: |
f0fba2ad | 1861 | mutex_unlock(&card->mutex); |
db2a4165 | 1862 | |
b19e6e7b | 1863 | return ret; |
435c5e25 MB |
1864 | } |
1865 | ||
1866 | /* probes a new socdev */ | |
1867 | static int soc_probe(struct platform_device *pdev) | |
1868 | { | |
f0fba2ad | 1869 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1870 | |
70a7ca34 VK |
1871 | /* |
1872 | * no card, so machine driver should be registering card | |
1873 | * we should not be here in that case so ret error | |
1874 | */ | |
1875 | if (!card) | |
1876 | return -EINVAL; | |
1877 | ||
fe4085e8 | 1878 | dev_warn(&pdev->dev, |
f110bfc7 | 1879 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1880 | card->name); |
1881 | ||
435c5e25 MB |
1882 | /* Bodge while we unpick instantiation */ |
1883 | card->dev = &pdev->dev; | |
f0fba2ad | 1884 | |
28d528c8 | 1885 | return snd_soc_register_card(card); |
db2a4165 FM |
1886 | } |
1887 | ||
b0e26485 | 1888 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1889 | { |
1890 | int i; | |
db2a4165 | 1891 | |
b0e26485 VK |
1892 | /* make sure any delayed work runs */ |
1893 | for (i = 0; i < card->num_rtd; i++) { | |
1894 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1895 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1896 | } |
914dc182 | 1897 | |
b0e26485 VK |
1898 | /* remove auxiliary devices */ |
1899 | for (i = 0; i < card->num_aux_devs; i++) | |
1900 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1901 | |
b0e26485 | 1902 | /* remove and free each DAI */ |
0671fd8e | 1903 | soc_remove_dai_links(card); |
2eea392d | 1904 | |
b0e26485 | 1905 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1906 | |
b0e26485 VK |
1907 | /* remove the card */ |
1908 | if (card->remove) | |
e7361ec4 | 1909 | card->remove(card); |
a6052154 | 1910 | |
0aaae527 LPC |
1911 | snd_soc_dapm_free(&card->dapm); |
1912 | ||
b0e26485 VK |
1913 | snd_card_free(card->snd_card); |
1914 | return 0; | |
1915 | ||
1916 | } | |
1917 | ||
1918 | /* removes a socdev */ | |
1919 | static int soc_remove(struct platform_device *pdev) | |
1920 | { | |
1921 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1922 | |
c5af3a2e | 1923 | snd_soc_unregister_card(card); |
db2a4165 FM |
1924 | return 0; |
1925 | } | |
1926 | ||
6f8ab4ac | 1927 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1928 | { |
6f8ab4ac | 1929 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1930 | int i; |
51737470 MB |
1931 | |
1932 | if (!card->instantiated) | |
416356fc | 1933 | return 0; |
51737470 MB |
1934 | |
1935 | /* Flush out pmdown_time work - we actually do want to run it | |
1936 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1937 | for (i = 0; i < card->num_rtd; i++) { |
1938 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1939 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1940 | } |
51737470 | 1941 | |
f0fba2ad | 1942 | snd_soc_dapm_shutdown(card); |
416356fc MB |
1943 | |
1944 | return 0; | |
51737470 | 1945 | } |
6f8ab4ac | 1946 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1947 | |
6f8ab4ac | 1948 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1949 | .suspend = snd_soc_suspend, |
1950 | .resume = snd_soc_resume, | |
1951 | .freeze = snd_soc_suspend, | |
1952 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1953 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1954 | .restore = snd_soc_resume, |
416356fc | 1955 | }; |
deb2607e | 1956 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1957 | |
db2a4165 FM |
1958 | /* ASoC platform driver */ |
1959 | static struct platform_driver soc_driver = { | |
1960 | .driver = { | |
1961 | .name = "soc-audio", | |
8b45a209 | 1962 | .owner = THIS_MODULE, |
6f8ab4ac | 1963 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1964 | }, |
1965 | .probe = soc_probe, | |
1966 | .remove = soc_remove, | |
db2a4165 FM |
1967 | }; |
1968 | ||
096e49d5 MB |
1969 | /** |
1970 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
1971 | * | |
1972 | * @codec: CODEC to query. | |
1973 | * @reg: Register to query. | |
1974 | * | |
1975 | * Boolean function indiciating if a CODEC register is volatile. | |
1976 | */ | |
181e055e MB |
1977 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
1978 | unsigned int reg) | |
096e49d5 | 1979 | { |
1500b7b5 DP |
1980 | if (codec->volatile_register) |
1981 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
1982 | else |
1983 | return 0; | |
1984 | } | |
1985 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
1986 | ||
239c9706 DP |
1987 | /** |
1988 | * snd_soc_codec_readable_register: Report if a register is readable. | |
1989 | * | |
1990 | * @codec: CODEC to query. | |
1991 | * @reg: Register to query. | |
1992 | * | |
1993 | * Boolean function indicating if a CODEC register is readable. | |
1994 | */ | |
1995 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
1996 | unsigned int reg) | |
1997 | { | |
1998 | if (codec->readable_register) | |
1999 | return codec->readable_register(codec, reg); | |
2000 | else | |
63fa0a28 | 2001 | return 1; |
239c9706 DP |
2002 | } |
2003 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
2004 | ||
2005 | /** | |
2006 | * snd_soc_codec_writable_register: Report if a register is writable. | |
2007 | * | |
2008 | * @codec: CODEC to query. | |
2009 | * @reg: Register to query. | |
2010 | * | |
2011 | * Boolean function indicating if a CODEC register is writable. | |
2012 | */ | |
2013 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
2014 | unsigned int reg) | |
2015 | { | |
2016 | if (codec->writable_register) | |
2017 | return codec->writable_register(codec, reg); | |
2018 | else | |
63fa0a28 | 2019 | return 1; |
239c9706 DP |
2020 | } |
2021 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2022 | ||
f1442bc1 LG |
2023 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2024 | unsigned int reg) | |
2025 | { | |
2026 | unsigned int ret; | |
2027 | ||
2028 | if (!platform->driver->read) { | |
f110bfc7 | 2029 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2030 | return -1; |
2031 | } | |
2032 | ||
2033 | ret = platform->driver->read(platform, reg); | |
2034 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2035 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2036 | |
2037 | return ret; | |
2038 | } | |
2039 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2040 | ||
2041 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2042 | unsigned int reg, unsigned int val) | |
2043 | { | |
2044 | if (!platform->driver->write) { | |
f110bfc7 | 2045 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2046 | return -1; |
2047 | } | |
2048 | ||
2049 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2050 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2051 | return platform->driver->write(platform, reg, val); |
2052 | } | |
2053 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2054 | ||
db2a4165 FM |
2055 | /** |
2056 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2057 | * @codec: audio codec | |
2058 | * @ops: AC97 bus operations | |
2059 | * @num: AC97 codec number | |
2060 | * | |
2061 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2062 | */ | |
2063 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2064 | struct snd_ac97_bus_ops *ops, int num) | |
2065 | { | |
2066 | mutex_lock(&codec->mutex); | |
2067 | ||
2068 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2069 | if (codec->ac97 == NULL) { | |
2070 | mutex_unlock(&codec->mutex); | |
2071 | return -ENOMEM; | |
2072 | } | |
2073 | ||
2074 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2075 | if (codec->ac97->bus == NULL) { | |
2076 | kfree(codec->ac97); | |
2077 | codec->ac97 = NULL; | |
2078 | mutex_unlock(&codec->mutex); | |
2079 | return -ENOMEM; | |
2080 | } | |
2081 | ||
2082 | codec->ac97->bus->ops = ops; | |
2083 | codec->ac97->num = num; | |
0562f788 MW |
2084 | |
2085 | /* | |
2086 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2087 | * device will be registered with the device subsystem later on. | |
2088 | */ | |
2089 | codec->ac97_created = 1; | |
2090 | ||
db2a4165 FM |
2091 | mutex_unlock(&codec->mutex); |
2092 | return 0; | |
2093 | } | |
2094 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2095 | ||
741a509f MP |
2096 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2097 | ||
2098 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2099 | { | |
2100 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2101 | ||
2102 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2103 | ||
2104 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2105 | ||
2106 | udelay(10); | |
2107 | ||
2108 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2109 | ||
2110 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2111 | msleep(2); | |
2112 | } | |
2113 | ||
2114 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2115 | { | |
2116 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2117 | ||
2118 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2119 | ||
2120 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2121 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2122 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2123 | ||
2124 | udelay(10); | |
2125 | ||
2126 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2127 | ||
2128 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2129 | msleep(2); | |
2130 | } | |
2131 | ||
2132 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2133 | struct snd_ac97_reset_cfg *cfg) | |
2134 | { | |
2135 | struct pinctrl *p; | |
2136 | struct pinctrl_state *state; | |
2137 | int gpio; | |
2138 | int ret; | |
2139 | ||
2140 | p = devm_pinctrl_get(dev); | |
2141 | if (IS_ERR(p)) { | |
2142 | dev_err(dev, "Failed to get pinctrl\n"); | |
2143 | return PTR_RET(p); | |
2144 | } | |
2145 | cfg->pctl = p; | |
2146 | ||
2147 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2148 | if (IS_ERR(state)) { | |
2149 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
2150 | return PTR_RET(state); | |
2151 | } | |
2152 | cfg->pstate_reset = state; | |
2153 | ||
2154 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2155 | if (IS_ERR(state)) { | |
2156 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
2157 | return PTR_RET(state); | |
2158 | } | |
2159 | cfg->pstate_warm_reset = state; | |
2160 | ||
2161 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2162 | if (IS_ERR(state)) { | |
2163 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
2164 | return PTR_RET(state); | |
2165 | } | |
2166 | cfg->pstate_run = state; | |
2167 | ||
2168 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2169 | if (gpio < 0) { | |
2170 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2171 | return gpio; | |
2172 | } | |
2173 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2174 | if (ret) { | |
2175 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2176 | return ret; | |
2177 | } | |
2178 | cfg->gpio_sync = gpio; | |
2179 | ||
2180 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2181 | if (gpio < 0) { | |
2182 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2183 | return gpio; | |
2184 | } | |
2185 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2186 | if (ret) { | |
2187 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2188 | return ret; | |
2189 | } | |
2190 | cfg->gpio_sdata = gpio; | |
2191 | ||
2192 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2193 | if (gpio < 0) { | |
2194 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2195 | return gpio; | |
2196 | } | |
2197 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2198 | if (ret) { | |
2199 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2200 | return ret; | |
2201 | } | |
2202 | cfg->gpio_reset = gpio; | |
2203 | ||
2204 | return 0; | |
2205 | } | |
2206 | ||
b047e1cc | 2207 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2208 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2209 | |
2210 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2211 | { | |
2212 | if (ops == soc_ac97_ops) | |
2213 | return 0; | |
2214 | ||
2215 | if (soc_ac97_ops && ops) | |
2216 | return -EBUSY; | |
2217 | ||
2218 | soc_ac97_ops = ops; | |
2219 | ||
2220 | return 0; | |
2221 | } | |
2222 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2223 | ||
741a509f MP |
2224 | /** |
2225 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2226 | * | |
2227 | * This function sets the reset and warm_reset properties of ops and parses | |
2228 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2229 | */ | |
2230 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2231 | struct platform_device *pdev) | |
2232 | { | |
2233 | struct device *dev = &pdev->dev; | |
2234 | struct snd_ac97_reset_cfg cfg; | |
2235 | int ret; | |
2236 | ||
2237 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2238 | if (ret) | |
2239 | return ret; | |
2240 | ||
2241 | ret = snd_soc_set_ac97_ops(ops); | |
2242 | if (ret) | |
2243 | return ret; | |
2244 | ||
2245 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2246 | ops->reset = snd_soc_ac97_reset; | |
2247 | ||
2248 | snd_ac97_rst_cfg = cfg; | |
2249 | return 0; | |
2250 | } | |
2251 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2252 | ||
db2a4165 FM |
2253 | /** |
2254 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2255 | * @codec: audio codec | |
2256 | * | |
2257 | * Frees AC97 codec device resources. | |
2258 | */ | |
2259 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2260 | { | |
2261 | mutex_lock(&codec->mutex); | |
f0fba2ad LG |
2262 | #ifdef CONFIG_SND_SOC_AC97_BUS |
2263 | soc_unregister_ac97_dai_link(codec); | |
2264 | #endif | |
db2a4165 FM |
2265 | kfree(codec->ac97->bus); |
2266 | kfree(codec->ac97); | |
2267 | codec->ac97 = NULL; | |
0562f788 | 2268 | codec->ac97_created = 0; |
db2a4165 FM |
2269 | mutex_unlock(&codec->mutex); |
2270 | } | |
2271 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2272 | ||
c3753707 MB |
2273 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2274 | { | |
2275 | unsigned int ret; | |
2276 | ||
c3acec26 | 2277 | ret = codec->read(codec, reg); |
c3753707 | 2278 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
a8b1d34f | 2279 | trace_snd_soc_reg_read(codec, reg, ret); |
c3753707 MB |
2280 | |
2281 | return ret; | |
2282 | } | |
2283 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2284 | ||
2285 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2286 | unsigned int reg, unsigned int val) | |
2287 | { | |
2288 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
a8b1d34f | 2289 | trace_snd_soc_reg_write(codec, reg, val); |
c3acec26 | 2290 | return codec->write(codec, reg, val); |
c3753707 MB |
2291 | } |
2292 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2293 | ||
5fb609d4 DP |
2294 | unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, |
2295 | unsigned int reg, const void *data, size_t len) | |
2296 | { | |
2297 | return codec->bulk_write_raw(codec, reg, data, len); | |
2298 | } | |
2299 | EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); | |
2300 | ||
db2a4165 FM |
2301 | /** |
2302 | * snd_soc_update_bits - update codec register bits | |
2303 | * @codec: audio codec | |
2304 | * @reg: codec register | |
2305 | * @mask: register mask | |
2306 | * @value: new value | |
2307 | * | |
2308 | * Writes new register value. | |
2309 | * | |
180c329d | 2310 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2311 | */ |
2312 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2313 | unsigned int mask, unsigned int value) |
db2a4165 | 2314 | { |
8a713da8 | 2315 | bool change; |
46f5822f | 2316 | unsigned int old, new; |
180c329d TT |
2317 | int ret; |
2318 | ||
8a713da8 MB |
2319 | if (codec->using_regmap) { |
2320 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2321 | mask, value, &change); | |
2322 | } else { | |
2323 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2324 | if (ret < 0) |
2325 | return ret; | |
8a713da8 MB |
2326 | |
2327 | old = ret; | |
2328 | new = (old & ~mask) | (value & mask); | |
2329 | change = old != new; | |
2330 | if (change) | |
2331 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2332 | } |
db2a4165 | 2333 | |
8a713da8 MB |
2334 | if (ret < 0) |
2335 | return ret; | |
2336 | ||
db2a4165 FM |
2337 | return change; |
2338 | } | |
2339 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2340 | ||
6c508c62 EN |
2341 | /** |
2342 | * snd_soc_update_bits_locked - update codec register bits | |
2343 | * @codec: audio codec | |
2344 | * @reg: codec register | |
2345 | * @mask: register mask | |
2346 | * @value: new value | |
2347 | * | |
2348 | * Writes new register value, and takes the codec mutex. | |
2349 | * | |
2350 | * Returns 1 for change else 0. | |
2351 | */ | |
dd1b3d53 MB |
2352 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2353 | unsigned short reg, unsigned int mask, | |
2354 | unsigned int value) | |
6c508c62 EN |
2355 | { |
2356 | int change; | |
2357 | ||
2358 | mutex_lock(&codec->mutex); | |
2359 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2360 | mutex_unlock(&codec->mutex); | |
2361 | ||
2362 | return change; | |
2363 | } | |
dd1b3d53 | 2364 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2365 | |
db2a4165 FM |
2366 | /** |
2367 | * snd_soc_test_bits - test register for change | |
2368 | * @codec: audio codec | |
2369 | * @reg: codec register | |
2370 | * @mask: register mask | |
2371 | * @value: new value | |
2372 | * | |
2373 | * Tests a register with a new value and checks if the new value is | |
2374 | * different from the old value. | |
2375 | * | |
2376 | * Returns 1 for change else 0. | |
2377 | */ | |
2378 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2379 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2380 | { |
2381 | int change; | |
46f5822f | 2382 | unsigned int old, new; |
db2a4165 | 2383 | |
db2a4165 FM |
2384 | old = snd_soc_read(codec, reg); |
2385 | new = (old & ~mask) | value; | |
2386 | change = old != new; | |
db2a4165 FM |
2387 | |
2388 | return change; | |
2389 | } | |
2390 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2391 | ||
db2a4165 FM |
2392 | /** |
2393 | * snd_soc_cnew - create new control | |
2394 | * @_template: control template | |
2395 | * @data: control private data | |
ac11a2b3 | 2396 | * @long_name: control long name |
efb7ac3f | 2397 | * @prefix: control name prefix |
db2a4165 FM |
2398 | * |
2399 | * Create a new mixer control from a template control. | |
2400 | * | |
2401 | * Returns 0 for success, else error. | |
2402 | */ | |
2403 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2404 | void *data, const char *long_name, |
efb7ac3f | 2405 | const char *prefix) |
db2a4165 FM |
2406 | { |
2407 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2408 | struct snd_kcontrol *kcontrol; |
2409 | char *name = NULL; | |
db2a4165 FM |
2410 | |
2411 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2412 | template.index = 0; |
2413 | ||
efb7ac3f MB |
2414 | if (!long_name) |
2415 | long_name = template.name; | |
2416 | ||
2417 | if (prefix) { | |
2b581074 | 2418 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2419 | if (!name) |
2420 | return NULL; | |
2421 | ||
efb7ac3f MB |
2422 | template.name = name; |
2423 | } else { | |
2424 | template.name = long_name; | |
2425 | } | |
2426 | ||
2427 | kcontrol = snd_ctl_new1(&template, data); | |
2428 | ||
2429 | kfree(name); | |
2430 | ||
2431 | return kcontrol; | |
db2a4165 FM |
2432 | } |
2433 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2434 | ||
022658be LG |
2435 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2436 | const struct snd_kcontrol_new *controls, int num_controls, | |
2437 | const char *prefix, void *data) | |
2438 | { | |
2439 | int err, i; | |
2440 | ||
2441 | for (i = 0; i < num_controls; i++) { | |
2442 | const struct snd_kcontrol_new *control = &controls[i]; | |
2443 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2444 | control->name, prefix)); | |
2445 | if (err < 0) { | |
f110bfc7 LG |
2446 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2447 | control->name, err); | |
022658be LG |
2448 | return err; |
2449 | } | |
2450 | } | |
2451 | ||
2452 | return 0; | |
2453 | } | |
2454 | ||
4fefd698 DP |
2455 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2456 | const char *name) | |
2457 | { | |
2458 | struct snd_card *card = soc_card->snd_card; | |
2459 | struct snd_kcontrol *kctl; | |
2460 | ||
2461 | if (unlikely(!name)) | |
2462 | return NULL; | |
2463 | ||
2464 | list_for_each_entry(kctl, &card->controls, list) | |
2465 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2466 | return kctl; | |
2467 | return NULL; | |
2468 | } | |
2469 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2470 | ||
3e8e1952 | 2471 | /** |
022658be LG |
2472 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2473 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2474 | * duplicating this code. |
2475 | * | |
2476 | * @codec: codec to add controls to | |
2477 | * @controls: array of controls to add | |
2478 | * @num_controls: number of elements in the array | |
2479 | * | |
2480 | * Return 0 for success, else error. | |
2481 | */ | |
022658be | 2482 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2483 | const struct snd_kcontrol_new *controls, int num_controls) |
2484 | { | |
f0fba2ad | 2485 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2486 | |
022658be LG |
2487 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2488 | codec->name_prefix, codec); | |
3e8e1952 | 2489 | } |
022658be | 2490 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2491 | |
a491a5c8 LG |
2492 | /** |
2493 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2494 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2495 | * |
2496 | * @platform: platform to add controls to | |
2497 | * @controls: array of controls to add | |
2498 | * @num_controls: number of elements in the array | |
2499 | * | |
2500 | * Return 0 for success, else error. | |
2501 | */ | |
2502 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2503 | const struct snd_kcontrol_new *controls, int num_controls) | |
2504 | { | |
2505 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2506 | |
022658be LG |
2507 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2508 | NULL, platform); | |
a491a5c8 LG |
2509 | } |
2510 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2511 | ||
022658be LG |
2512 | /** |
2513 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2514 | * Convenience function to add a list of controls. | |
2515 | * | |
2516 | * @soc_card: SoC card to add controls to | |
2517 | * @controls: array of controls to add | |
2518 | * @num_controls: number of elements in the array | |
2519 | * | |
2520 | * Return 0 for success, else error. | |
2521 | */ | |
2522 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2523 | const struct snd_kcontrol_new *controls, int num_controls) | |
2524 | { | |
2525 | struct snd_card *card = soc_card->snd_card; | |
2526 | ||
2527 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2528 | NULL, soc_card); | |
2529 | } | |
2530 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2531 | ||
2532 | /** | |
2533 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2534 | * Convienience function to add a list of controls. | |
2535 | * | |
2536 | * @dai: DAI to add controls to | |
2537 | * @controls: array of controls to add | |
2538 | * @num_controls: number of elements in the array | |
2539 | * | |
2540 | * Return 0 for success, else error. | |
2541 | */ | |
2542 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2543 | const struct snd_kcontrol_new *controls, int num_controls) | |
2544 | { | |
2545 | struct snd_card *card = dai->card->snd_card; | |
2546 | ||
2547 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2548 | NULL, dai); | |
2549 | } | |
2550 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2551 | ||
db2a4165 FM |
2552 | /** |
2553 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2554 | * @kcontrol: mixer control | |
2555 | * @uinfo: control element information | |
2556 | * | |
2557 | * Callback to provide information about a double enumerated | |
2558 | * mixer control. | |
2559 | * | |
2560 | * Returns 0 for success. | |
2561 | */ | |
2562 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2563 | struct snd_ctl_elem_info *uinfo) | |
2564 | { | |
2565 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2566 | ||
2567 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2568 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
f8ba0b7b | 2569 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2570 | |
f8ba0b7b JS |
2571 | if (uinfo->value.enumerated.item > e->max - 1) |
2572 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2573 | strcpy(uinfo->value.enumerated.name, |
2574 | e->texts[uinfo->value.enumerated.item]); | |
2575 | return 0; | |
2576 | } | |
2577 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2578 | ||
2579 | /** | |
2580 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2581 | * @kcontrol: mixer control | |
ac11a2b3 | 2582 | * @ucontrol: control element information |
db2a4165 FM |
2583 | * |
2584 | * Callback to get the value of a double enumerated mixer. | |
2585 | * | |
2586 | * Returns 0 for success. | |
2587 | */ | |
2588 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2589 | struct snd_ctl_elem_value *ucontrol) | |
2590 | { | |
2591 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2592 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
86767b7d | 2593 | unsigned int val; |
db2a4165 | 2594 | |
db2a4165 | 2595 | val = snd_soc_read(codec, e->reg); |
3ff3f64b | 2596 | ucontrol->value.enumerated.item[0] |
86767b7d | 2597 | = (val >> e->shift_l) & e->mask; |
db2a4165 FM |
2598 | if (e->shift_l != e->shift_r) |
2599 | ucontrol->value.enumerated.item[1] = | |
86767b7d | 2600 | (val >> e->shift_r) & e->mask; |
db2a4165 FM |
2601 | |
2602 | return 0; | |
2603 | } | |
2604 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2605 | ||
2606 | /** | |
2607 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2608 | * @kcontrol: mixer control | |
ac11a2b3 | 2609 | * @ucontrol: control element information |
db2a4165 FM |
2610 | * |
2611 | * Callback to set the value of a double enumerated mixer. | |
2612 | * | |
2613 | * Returns 0 for success. | |
2614 | */ | |
2615 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2616 | struct snd_ctl_elem_value *ucontrol) | |
2617 | { | |
2618 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2619 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
46f5822f | 2620 | unsigned int val; |
86767b7d | 2621 | unsigned int mask; |
db2a4165 | 2622 | |
f8ba0b7b | 2623 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
db2a4165 FM |
2624 | return -EINVAL; |
2625 | val = ucontrol->value.enumerated.item[0] << e->shift_l; | |
86767b7d | 2626 | mask = e->mask << e->shift_l; |
db2a4165 | 2627 | if (e->shift_l != e->shift_r) { |
f8ba0b7b | 2628 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
db2a4165 FM |
2629 | return -EINVAL; |
2630 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; | |
86767b7d | 2631 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2632 | } |
2633 | ||
6c508c62 | 2634 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2635 | } |
2636 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2637 | ||
2e72f8e3 PU |
2638 | /** |
2639 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback | |
2640 | * @kcontrol: mixer control | |
2641 | * @ucontrol: control element information | |
2642 | * | |
2643 | * Callback to get the value of a double semi enumerated mixer. | |
2644 | * | |
2645 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2646 | * used for handling bitfield coded enumeration for example. | |
2647 | * | |
2648 | * Returns 0 for success. | |
2649 | */ | |
2650 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, | |
2651 | struct snd_ctl_elem_value *ucontrol) | |
2652 | { | |
2653 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2654 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f | 2655 | unsigned int reg_val, val, mux; |
2e72f8e3 PU |
2656 | |
2657 | reg_val = snd_soc_read(codec, e->reg); | |
2658 | val = (reg_val >> e->shift_l) & e->mask; | |
2659 | for (mux = 0; mux < e->max; mux++) { | |
2660 | if (val == e->values[mux]) | |
2661 | break; | |
2662 | } | |
2663 | ucontrol->value.enumerated.item[0] = mux; | |
2664 | if (e->shift_l != e->shift_r) { | |
2665 | val = (reg_val >> e->shift_r) & e->mask; | |
2666 | for (mux = 0; mux < e->max; mux++) { | |
2667 | if (val == e->values[mux]) | |
2668 | break; | |
2669 | } | |
2670 | ucontrol->value.enumerated.item[1] = mux; | |
2671 | } | |
2672 | ||
2673 | return 0; | |
2674 | } | |
2675 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); | |
2676 | ||
2677 | /** | |
2678 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback | |
2679 | * @kcontrol: mixer control | |
2680 | * @ucontrol: control element information | |
2681 | * | |
2682 | * Callback to set the value of a double semi enumerated mixer. | |
2683 | * | |
2684 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2685 | * used for handling bitfield coded enumeration for example. | |
2686 | * | |
2687 | * Returns 0 for success. | |
2688 | */ | |
2689 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, | |
2690 | struct snd_ctl_elem_value *ucontrol) | |
2691 | { | |
2692 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2693 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f DR |
2694 | unsigned int val; |
2695 | unsigned int mask; | |
2e72f8e3 PU |
2696 | |
2697 | if (ucontrol->value.enumerated.item[0] > e->max - 1) | |
2698 | return -EINVAL; | |
2699 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; | |
2700 | mask = e->mask << e->shift_l; | |
2701 | if (e->shift_l != e->shift_r) { | |
2702 | if (ucontrol->value.enumerated.item[1] > e->max - 1) | |
2703 | return -EINVAL; | |
2704 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; | |
2705 | mask |= e->mask << e->shift_r; | |
2706 | } | |
2707 | ||
6c508c62 | 2708 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
2e72f8e3 PU |
2709 | } |
2710 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); | |
2711 | ||
db2a4165 FM |
2712 | /** |
2713 | * snd_soc_info_enum_ext - external enumerated single mixer info callback | |
2714 | * @kcontrol: mixer control | |
2715 | * @uinfo: control element information | |
2716 | * | |
2717 | * Callback to provide information about an external enumerated | |
2718 | * single mixer. | |
2719 | * | |
2720 | * Returns 0 for success. | |
2721 | */ | |
2722 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, | |
2723 | struct snd_ctl_elem_info *uinfo) | |
2724 | { | |
2725 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2726 | ||
2727 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2728 | uinfo->count = 1; | |
f8ba0b7b | 2729 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2730 | |
f8ba0b7b JS |
2731 | if (uinfo->value.enumerated.item > e->max - 1) |
2732 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2733 | strcpy(uinfo->value.enumerated.name, |
2734 | e->texts[uinfo->value.enumerated.item]); | |
2735 | return 0; | |
2736 | } | |
2737 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); | |
2738 | ||
2739 | /** | |
2740 | * snd_soc_info_volsw_ext - external single mixer info callback | |
2741 | * @kcontrol: mixer control | |
2742 | * @uinfo: control element information | |
2743 | * | |
2744 | * Callback to provide information about a single external mixer control. | |
2745 | * | |
2746 | * Returns 0 for success. | |
2747 | */ | |
2748 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, | |
2749 | struct snd_ctl_elem_info *uinfo) | |
2750 | { | |
a7a4ac86 PZ |
2751 | int max = kcontrol->private_value; |
2752 | ||
fd5dfad9 | 2753 | if (max == 1 && !strstr(kcontrol->id.name, " Volume")) |
a7a4ac86 PZ |
2754 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2755 | else | |
2756 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
db2a4165 | 2757 | |
db2a4165 FM |
2758 | uinfo->count = 1; |
2759 | uinfo->value.integer.min = 0; | |
a7a4ac86 | 2760 | uinfo->value.integer.max = max; |
db2a4165 FM |
2761 | return 0; |
2762 | } | |
2763 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); | |
2764 | ||
db2a4165 FM |
2765 | /** |
2766 | * snd_soc_info_volsw - single mixer info callback | |
2767 | * @kcontrol: mixer control | |
2768 | * @uinfo: control element information | |
2769 | * | |
e8f5a103 PU |
2770 | * Callback to provide information about a single mixer control, or a double |
2771 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2772 | * |
2773 | * Returns 0 for success. | |
2774 | */ | |
2775 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2776 | struct snd_ctl_elem_info *uinfo) | |
2777 | { | |
4eaa9819 JS |
2778 | struct soc_mixer_control *mc = |
2779 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2780 | int platform_max; |
db2a4165 | 2781 | |
d11bb4a9 PU |
2782 | if (!mc->platform_max) |
2783 | mc->platform_max = mc->max; | |
2784 | platform_max = mc->platform_max; | |
2785 | ||
2786 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2787 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2788 | else | |
2789 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2790 | ||
e8f5a103 | 2791 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2792 | uinfo->value.integer.min = 0; |
d11bb4a9 | 2793 | uinfo->value.integer.max = platform_max; |
db2a4165 FM |
2794 | return 0; |
2795 | } | |
2796 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2797 | ||
2798 | /** | |
2799 | * snd_soc_get_volsw - single mixer get callback | |
2800 | * @kcontrol: mixer control | |
ac11a2b3 | 2801 | * @ucontrol: control element information |
db2a4165 | 2802 | * |
f7915d99 PU |
2803 | * Callback to get the value of a single mixer control, or a double mixer |
2804 | * control that spans 2 registers. | |
db2a4165 FM |
2805 | * |
2806 | * Returns 0 for success. | |
2807 | */ | |
2808 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2809 | struct snd_ctl_elem_value *ucontrol) | |
2810 | { | |
4eaa9819 JS |
2811 | struct soc_mixer_control *mc = |
2812 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2813 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2814 | unsigned int reg = mc->reg; |
f7915d99 | 2815 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2816 | unsigned int shift = mc->shift; |
2817 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2818 | int max = mc->max; |
815ecf8d JS |
2819 | unsigned int mask = (1 << fls(max)) - 1; |
2820 | unsigned int invert = mc->invert; | |
db2a4165 FM |
2821 | |
2822 | ucontrol->value.integer.value[0] = | |
2823 | (snd_soc_read(codec, reg) >> shift) & mask; | |
f7915d99 | 2824 | if (invert) |
db2a4165 | 2825 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2826 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2827 | |
2828 | if (snd_soc_volsw_is_stereo(mc)) { | |
2829 | if (reg == reg2) | |
2830 | ucontrol->value.integer.value[1] = | |
2831 | (snd_soc_read(codec, reg) >> rshift) & mask; | |
2832 | else | |
2833 | ucontrol->value.integer.value[1] = | |
2834 | (snd_soc_read(codec, reg2) >> shift) & mask; | |
2835 | if (invert) | |
db2a4165 | 2836 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2837 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2838 | } |
2839 | ||
2840 | return 0; | |
2841 | } | |
2842 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2843 | ||
2844 | /** | |
2845 | * snd_soc_put_volsw - single mixer put callback | |
2846 | * @kcontrol: mixer control | |
ac11a2b3 | 2847 | * @ucontrol: control element information |
db2a4165 | 2848 | * |
974815ba PU |
2849 | * Callback to set the value of a single mixer control, or a double mixer |
2850 | * control that spans 2 registers. | |
db2a4165 FM |
2851 | * |
2852 | * Returns 0 for success. | |
2853 | */ | |
2854 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2855 | struct snd_ctl_elem_value *ucontrol) | |
2856 | { | |
4eaa9819 JS |
2857 | struct soc_mixer_control *mc = |
2858 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2859 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2860 | unsigned int reg = mc->reg; |
974815ba | 2861 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2862 | unsigned int shift = mc->shift; |
2863 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2864 | int max = mc->max; |
815ecf8d JS |
2865 | unsigned int mask = (1 << fls(max)) - 1; |
2866 | unsigned int invert = mc->invert; | |
974815ba PU |
2867 | int err; |
2868 | bool type_2r = 0; | |
2869 | unsigned int val2 = 0; | |
2870 | unsigned int val, val_mask; | |
db2a4165 FM |
2871 | |
2872 | val = (ucontrol->value.integer.value[0] & mask); | |
2873 | if (invert) | |
a7a4ac86 | 2874 | val = max - val; |
db2a4165 FM |
2875 | val_mask = mask << shift; |
2876 | val = val << shift; | |
974815ba | 2877 | if (snd_soc_volsw_is_stereo(mc)) { |
db2a4165 FM |
2878 | val2 = (ucontrol->value.integer.value[1] & mask); |
2879 | if (invert) | |
a7a4ac86 | 2880 | val2 = max - val2; |
974815ba PU |
2881 | if (reg == reg2) { |
2882 | val_mask |= mask << rshift; | |
2883 | val |= val2 << rshift; | |
2884 | } else { | |
2885 | val2 = val2 << shift; | |
2886 | type_2r = 1; | |
2887 | } | |
db2a4165 | 2888 | } |
6c508c62 | 2889 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2890 | if (err < 0) |
db2a4165 FM |
2891 | return err; |
2892 | ||
974815ba PU |
2893 | if (type_2r) |
2894 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2895 | ||
db2a4165 FM |
2896 | return err; |
2897 | } | |
974815ba | 2898 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2899 | |
1d99f243 BA |
2900 | /** |
2901 | * snd_soc_get_volsw_sx - single mixer get callback | |
2902 | * @kcontrol: mixer control | |
2903 | * @ucontrol: control element information | |
2904 | * | |
2905 | * Callback to get the value of a single mixer control, or a double mixer | |
2906 | * control that spans 2 registers. | |
2907 | * | |
2908 | * Returns 0 for success. | |
2909 | */ | |
2910 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2911 | struct snd_ctl_elem_value *ucontrol) | |
2912 | { | |
2913 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2914 | struct soc_mixer_control *mc = | |
2915 | (struct soc_mixer_control *)kcontrol->private_value; | |
2916 | ||
2917 | unsigned int reg = mc->reg; | |
2918 | unsigned int reg2 = mc->rreg; | |
2919 | unsigned int shift = mc->shift; | |
2920 | unsigned int rshift = mc->rshift; | |
2921 | int max = mc->max; | |
2922 | int min = mc->min; | |
2923 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2924 | ||
2925 | ucontrol->value.integer.value[0] = | |
2926 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2927 | ||
2928 | if (snd_soc_volsw_is_stereo(mc)) | |
2929 | ucontrol->value.integer.value[1] = | |
2930 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2931 | ||
2932 | return 0; | |
2933 | } | |
2934 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2935 | ||
2936 | /** | |
2937 | * snd_soc_put_volsw_sx - double mixer set callback | |
2938 | * @kcontrol: mixer control | |
2939 | * @uinfo: control element information | |
2940 | * | |
2941 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2942 | * | |
2943 | * Returns 0 for success. | |
2944 | */ | |
2945 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2946 | struct snd_ctl_elem_value *ucontrol) | |
2947 | { | |
2948 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2949 | struct soc_mixer_control *mc = | |
2950 | (struct soc_mixer_control *)kcontrol->private_value; | |
2951 | ||
2952 | unsigned int reg = mc->reg; | |
2953 | unsigned int reg2 = mc->rreg; | |
2954 | unsigned int shift = mc->shift; | |
2955 | unsigned int rshift = mc->rshift; | |
2956 | int max = mc->max; | |
2957 | int min = mc->min; | |
2958 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2959 | int err = 0; |
1d99f243 BA |
2960 | unsigned short val, val_mask, val2 = 0; |
2961 | ||
2962 | val_mask = mask << shift; | |
2963 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2964 | val = val << shift; | |
2965 | ||
d055852e MN |
2966 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2967 | if (err < 0) | |
2968 | return err; | |
1d99f243 BA |
2969 | |
2970 | if (snd_soc_volsw_is_stereo(mc)) { | |
2971 | val_mask = mask << rshift; | |
2972 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2973 | val2 = val2 << rshift; | |
2974 | ||
2975 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2976 | return err; | |
2977 | } | |
2978 | return 0; | |
2979 | } | |
2980 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2981 | ||
e13ac2e9 MB |
2982 | /** |
2983 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2984 | * @kcontrol: mixer control | |
2985 | * @uinfo: control element information | |
2986 | * | |
2987 | * Callback to provide information about a signed mixer control. | |
2988 | * | |
2989 | * Returns 0 for success. | |
2990 | */ | |
2991 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2992 | struct snd_ctl_elem_info *uinfo) | |
2993 | { | |
4eaa9819 JS |
2994 | struct soc_mixer_control *mc = |
2995 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2996 | int platform_max; |
4eaa9819 | 2997 | int min = mc->min; |
e13ac2e9 | 2998 | |
d11bb4a9 PU |
2999 | if (!mc->platform_max) |
3000 | mc->platform_max = mc->max; | |
3001 | platform_max = mc->platform_max; | |
3002 | ||
e13ac2e9 MB |
3003 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
3004 | uinfo->count = 2; | |
3005 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 3006 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
3007 | return 0; |
3008 | } | |
3009 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
3010 | ||
3011 | /** | |
3012 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
3013 | * @kcontrol: mixer control | |
ac11a2b3 | 3014 | * @ucontrol: control element information |
e13ac2e9 MB |
3015 | * |
3016 | * Callback to get the value of a signed mixer control. | |
3017 | * | |
3018 | * Returns 0 for success. | |
3019 | */ | |
3020 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
3021 | struct snd_ctl_elem_value *ucontrol) | |
3022 | { | |
4eaa9819 JS |
3023 | struct soc_mixer_control *mc = |
3024 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 3025 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 3026 | unsigned int reg = mc->reg; |
4eaa9819 | 3027 | int min = mc->min; |
e13ac2e9 MB |
3028 | int val = snd_soc_read(codec, reg); |
3029 | ||
3030 | ucontrol->value.integer.value[0] = | |
3031 | ((signed char)(val & 0xff))-min; | |
3032 | ucontrol->value.integer.value[1] = | |
3033 | ((signed char)((val >> 8) & 0xff))-min; | |
3034 | return 0; | |
3035 | } | |
3036 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
3037 | ||
3038 | /** | |
3039 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
3040 | * @kcontrol: mixer control | |
ac11a2b3 | 3041 | * @ucontrol: control element information |
e13ac2e9 MB |
3042 | * |
3043 | * Callback to set the value of a signed mixer control. | |
3044 | * | |
3045 | * Returns 0 for success. | |
3046 | */ | |
3047 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
3048 | struct snd_ctl_elem_value *ucontrol) | |
3049 | { | |
4eaa9819 JS |
3050 | struct soc_mixer_control *mc = |
3051 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 3052 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 3053 | unsigned int reg = mc->reg; |
4eaa9819 | 3054 | int min = mc->min; |
46f5822f | 3055 | unsigned int val; |
e13ac2e9 MB |
3056 | |
3057 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
3058 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
3059 | ||
6c508c62 | 3060 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
3061 | } |
3062 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
3063 | ||
6c9d8cf6 AT |
3064 | /** |
3065 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
3066 | * @kcontrol: mixer control | |
3067 | * @uinfo: control element information | |
3068 | * | |
3069 | * Callback to provide information, within a range, about a single | |
3070 | * mixer control. | |
3071 | * | |
3072 | * returns 0 for success. | |
3073 | */ | |
3074 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
3075 | struct snd_ctl_elem_info *uinfo) | |
3076 | { | |
3077 | struct soc_mixer_control *mc = | |
3078 | (struct soc_mixer_control *)kcontrol->private_value; | |
3079 | int platform_max; | |
3080 | int min = mc->min; | |
3081 | ||
3082 | if (!mc->platform_max) | |
3083 | mc->platform_max = mc->max; | |
3084 | platform_max = mc->platform_max; | |
3085 | ||
3086 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 3087 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
3088 | uinfo->value.integer.min = 0; |
3089 | uinfo->value.integer.max = platform_max - min; | |
3090 | ||
3091 | return 0; | |
3092 | } | |
3093 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
3094 | ||
3095 | /** | |
3096 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
3097 | * @kcontrol: mixer control | |
3098 | * @ucontrol: control element information | |
3099 | * | |
3100 | * Callback to set the value, within a range, for a single mixer control. | |
3101 | * | |
3102 | * Returns 0 for success. | |
3103 | */ | |
3104 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
3105 | struct snd_ctl_elem_value *ucontrol) | |
3106 | { | |
3107 | struct soc_mixer_control *mc = | |
3108 | (struct soc_mixer_control *)kcontrol->private_value; | |
3109 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3110 | unsigned int reg = mc->reg; | |
9bde4f0b | 3111 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3112 | unsigned int shift = mc->shift; |
3113 | int min = mc->min; | |
3114 | int max = mc->max; | |
3115 | unsigned int mask = (1 << fls(max)) - 1; | |
3116 | unsigned int invert = mc->invert; | |
3117 | unsigned int val, val_mask; | |
9bde4f0b | 3118 | int ret; |
6c9d8cf6 AT |
3119 | |
3120 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
3121 | if (invert) | |
3122 | val = max - val; | |
3123 | val_mask = mask << shift; | |
3124 | val = val << shift; | |
3125 | ||
9bde4f0b | 3126 | ret = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
0eaa6cca | 3127 | if (ret < 0) |
9bde4f0b MB |
3128 | return ret; |
3129 | ||
3130 | if (snd_soc_volsw_is_stereo(mc)) { | |
3131 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
3132 | if (invert) | |
3133 | val = max - val; | |
3134 | val_mask = mask << shift; | |
3135 | val = val << shift; | |
3136 | ||
3137 | ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val); | |
3138 | } | |
3139 | ||
3140 | return ret; | |
6c9d8cf6 AT |
3141 | } |
3142 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
3143 | ||
3144 | /** | |
3145 | * snd_soc_get_volsw_range - single mixer get callback with range | |
3146 | * @kcontrol: mixer control | |
3147 | * @ucontrol: control element information | |
3148 | * | |
3149 | * Callback to get the value, within a range, of a single mixer control. | |
3150 | * | |
3151 | * Returns 0 for success. | |
3152 | */ | |
3153 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3154 | struct snd_ctl_elem_value *ucontrol) | |
3155 | { | |
3156 | struct soc_mixer_control *mc = | |
3157 | (struct soc_mixer_control *)kcontrol->private_value; | |
3158 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3159 | unsigned int reg = mc->reg; | |
9bde4f0b | 3160 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3161 | unsigned int shift = mc->shift; |
3162 | int min = mc->min; | |
3163 | int max = mc->max; | |
3164 | unsigned int mask = (1 << fls(max)) - 1; | |
3165 | unsigned int invert = mc->invert; | |
3166 | ||
3167 | ucontrol->value.integer.value[0] = | |
3168 | (snd_soc_read(codec, reg) >> shift) & mask; | |
3169 | if (invert) | |
3170 | ucontrol->value.integer.value[0] = | |
3171 | max - ucontrol->value.integer.value[0]; | |
3172 | ucontrol->value.integer.value[0] = | |
3173 | ucontrol->value.integer.value[0] - min; | |
3174 | ||
9bde4f0b MB |
3175 | if (snd_soc_volsw_is_stereo(mc)) { |
3176 | ucontrol->value.integer.value[1] = | |
3177 | (snd_soc_read(codec, rreg) >> shift) & mask; | |
3178 | if (invert) | |
3179 | ucontrol->value.integer.value[1] = | |
3180 | max - ucontrol->value.integer.value[1]; | |
3181 | ucontrol->value.integer.value[1] = | |
3182 | ucontrol->value.integer.value[1] - min; | |
3183 | } | |
3184 | ||
6c9d8cf6 AT |
3185 | return 0; |
3186 | } | |
3187 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3188 | ||
637d3847 PU |
3189 | /** |
3190 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3191 | * | |
3192 | * @codec: where to look for the control | |
3193 | * @name: Name of the control | |
3194 | * @max: new maximum limit | |
3195 | * | |
3196 | * Return 0 for success, else error. | |
3197 | */ | |
3198 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3199 | const char *name, int max) | |
3200 | { | |
f0fba2ad | 3201 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3202 | struct snd_kcontrol *kctl; |
3203 | struct soc_mixer_control *mc; | |
3204 | int found = 0; | |
3205 | int ret = -EINVAL; | |
3206 | ||
3207 | /* Sanity check for name and max */ | |
3208 | if (unlikely(!name || max <= 0)) | |
3209 | return -EINVAL; | |
3210 | ||
3211 | list_for_each_entry(kctl, &card->controls, list) { | |
3212 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3213 | found = 1; | |
3214 | break; | |
3215 | } | |
3216 | } | |
3217 | if (found) { | |
3218 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3219 | if (max <= mc->max) { | |
d11bb4a9 | 3220 | mc->platform_max = max; |
637d3847 PU |
3221 | ret = 0; |
3222 | } | |
3223 | } | |
3224 | return ret; | |
3225 | } | |
3226 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3227 | ||
71d08516 MB |
3228 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3229 | struct snd_ctl_elem_info *uinfo) | |
3230 | { | |
3231 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3232 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3233 | ||
3234 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3235 | uinfo->count = params->num_regs * codec->val_bytes; | |
3236 | ||
3237 | return 0; | |
3238 | } | |
3239 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3240 | ||
3241 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3242 | struct snd_ctl_elem_value *ucontrol) | |
3243 | { | |
3244 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3245 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3246 | int ret; | |
3247 | ||
3248 | if (codec->using_regmap) | |
3249 | ret = regmap_raw_read(codec->control_data, params->base, | |
3250 | ucontrol->value.bytes.data, | |
3251 | params->num_regs * codec->val_bytes); | |
3252 | else | |
3253 | ret = -EINVAL; | |
3254 | ||
f831b055 MB |
3255 | /* Hide any masked bytes to ensure consistent data reporting */ |
3256 | if (ret == 0 && params->mask) { | |
3257 | switch (codec->val_bytes) { | |
3258 | case 1: | |
3259 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3260 | break; | |
3261 | case 2: | |
3262 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
3263 | &= ~params->mask; | |
3264 | break; | |
3265 | case 4: | |
3266 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
3267 | &= ~params->mask; | |
3268 | break; | |
3269 | default: | |
3270 | return -EINVAL; | |
3271 | } | |
3272 | } | |
3273 | ||
71d08516 MB |
3274 | return ret; |
3275 | } | |
3276 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3277 | ||
3278 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3279 | struct snd_ctl_elem_value *ucontrol) | |
3280 | { | |
3281 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3282 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 MB |
3283 | int ret, len; |
3284 | unsigned int val; | |
3285 | void *data; | |
71d08516 | 3286 | |
f831b055 MB |
3287 | if (!codec->using_regmap) |
3288 | return -EINVAL; | |
3289 | ||
f831b055 MB |
3290 | len = params->num_regs * codec->val_bytes; |
3291 | ||
b5a8fe43 MB |
3292 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3293 | if (!data) | |
3294 | return -ENOMEM; | |
3295 | ||
f831b055 MB |
3296 | /* |
3297 | * If we've got a mask then we need to preserve the register | |
3298 | * bits. We shouldn't modify the incoming data so take a | |
3299 | * copy. | |
3300 | */ | |
3301 | if (params->mask) { | |
3302 | ret = regmap_read(codec->control_data, params->base, &val); | |
3303 | if (ret != 0) | |
e8b18add | 3304 | goto out; |
f831b055 MB |
3305 | |
3306 | val &= params->mask; | |
3307 | ||
f831b055 MB |
3308 | switch (codec->val_bytes) { |
3309 | case 1: | |
3310 | ((u8 *)data)[0] &= ~params->mask; | |
3311 | ((u8 *)data)[0] |= val; | |
3312 | break; | |
3313 | case 2: | |
3314 | ((u16 *)data)[0] &= cpu_to_be16(~params->mask); | |
3315 | ((u16 *)data)[0] |= cpu_to_be16(val); | |
3316 | break; | |
3317 | case 4: | |
3318 | ((u32 *)data)[0] &= cpu_to_be32(~params->mask); | |
3319 | ((u32 *)data)[0] |= cpu_to_be32(val); | |
3320 | break; | |
3321 | default: | |
e8b18add WY |
3322 | ret = -EINVAL; |
3323 | goto out; | |
f831b055 MB |
3324 | } |
3325 | } | |
3326 | ||
3327 | ret = regmap_raw_write(codec->control_data, params->base, | |
3328 | data, len); | |
3329 | ||
e8b18add | 3330 | out: |
b5a8fe43 | 3331 | kfree(data); |
71d08516 MB |
3332 | |
3333 | return ret; | |
3334 | } | |
3335 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3336 | ||
4183eed2 KK |
3337 | /** |
3338 | * snd_soc_info_xr_sx - signed multi register info callback | |
3339 | * @kcontrol: mreg control | |
3340 | * @uinfo: control element information | |
3341 | * | |
3342 | * Callback to provide information of a control that can | |
3343 | * span multiple codec registers which together | |
3344 | * forms a single signed value in a MSB/LSB manner. | |
3345 | * | |
3346 | * Returns 0 for success. | |
3347 | */ | |
3348 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3349 | struct snd_ctl_elem_info *uinfo) | |
3350 | { | |
3351 | struct soc_mreg_control *mc = | |
3352 | (struct soc_mreg_control *)kcontrol->private_value; | |
3353 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3354 | uinfo->count = 1; | |
3355 | uinfo->value.integer.min = mc->min; | |
3356 | uinfo->value.integer.max = mc->max; | |
3357 | ||
3358 | return 0; | |
3359 | } | |
3360 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3361 | ||
3362 | /** | |
3363 | * snd_soc_get_xr_sx - signed multi register get callback | |
3364 | * @kcontrol: mreg control | |
3365 | * @ucontrol: control element information | |
3366 | * | |
3367 | * Callback to get the value of a control that can span | |
3368 | * multiple codec registers which together forms a single | |
3369 | * signed value in a MSB/LSB manner. The control supports | |
3370 | * specifying total no of bits used to allow for bitfields | |
3371 | * across the multiple codec registers. | |
3372 | * | |
3373 | * Returns 0 for success. | |
3374 | */ | |
3375 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3376 | struct snd_ctl_elem_value *ucontrol) | |
3377 | { | |
3378 | struct soc_mreg_control *mc = | |
3379 | (struct soc_mreg_control *)kcontrol->private_value; | |
3380 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3381 | unsigned int regbase = mc->regbase; | |
3382 | unsigned int regcount = mc->regcount; | |
3383 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3384 | unsigned int regwmask = (1<<regwshift)-1; | |
3385 | unsigned int invert = mc->invert; | |
3386 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3387 | long min = mc->min; | |
3388 | long max = mc->max; | |
3389 | long val = 0; | |
3390 | unsigned long regval; | |
3391 | unsigned int i; | |
3392 | ||
3393 | for (i = 0; i < regcount; i++) { | |
3394 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3395 | val |= regval << (regwshift*(regcount-i-1)); | |
3396 | } | |
3397 | val &= mask; | |
3398 | if (min < 0 && val > max) | |
3399 | val |= ~mask; | |
3400 | if (invert) | |
3401 | val = max - val; | |
3402 | ucontrol->value.integer.value[0] = val; | |
3403 | ||
3404 | return 0; | |
3405 | } | |
3406 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3407 | ||
3408 | /** | |
3409 | * snd_soc_put_xr_sx - signed multi register get callback | |
3410 | * @kcontrol: mreg control | |
3411 | * @ucontrol: control element information | |
3412 | * | |
3413 | * Callback to set the value of a control that can span | |
3414 | * multiple codec registers which together forms a single | |
3415 | * signed value in a MSB/LSB manner. The control supports | |
3416 | * specifying total no of bits used to allow for bitfields | |
3417 | * across the multiple codec registers. | |
3418 | * | |
3419 | * Returns 0 for success. | |
3420 | */ | |
3421 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3422 | struct snd_ctl_elem_value *ucontrol) | |
3423 | { | |
3424 | struct soc_mreg_control *mc = | |
3425 | (struct soc_mreg_control *)kcontrol->private_value; | |
3426 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3427 | unsigned int regbase = mc->regbase; | |
3428 | unsigned int regcount = mc->regcount; | |
3429 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3430 | unsigned int regwmask = (1<<regwshift)-1; | |
3431 | unsigned int invert = mc->invert; | |
3432 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3433 | long max = mc->max; |
3434 | long val = ucontrol->value.integer.value[0]; | |
3435 | unsigned int i, regval, regmask; | |
3436 | int err; | |
3437 | ||
3438 | if (invert) | |
3439 | val = max - val; | |
3440 | val &= mask; | |
3441 | for (i = 0; i < regcount; i++) { | |
3442 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3443 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3444 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3445 | regmask, regval); | |
3446 | if (err < 0) | |
3447 | return err; | |
3448 | } | |
3449 | ||
3450 | return 0; | |
3451 | } | |
3452 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3453 | ||
dd7b10b3 KK |
3454 | /** |
3455 | * snd_soc_get_strobe - strobe get callback | |
3456 | * @kcontrol: mixer control | |
3457 | * @ucontrol: control element information | |
3458 | * | |
3459 | * Callback get the value of a strobe mixer control. | |
3460 | * | |
3461 | * Returns 0 for success. | |
3462 | */ | |
3463 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3464 | struct snd_ctl_elem_value *ucontrol) | |
3465 | { | |
3466 | struct soc_mixer_control *mc = | |
3467 | (struct soc_mixer_control *)kcontrol->private_value; | |
3468 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3469 | unsigned int reg = mc->reg; | |
3470 | unsigned int shift = mc->shift; | |
3471 | unsigned int mask = 1 << shift; | |
3472 | unsigned int invert = mc->invert != 0; | |
3473 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3474 | ||
3475 | if (shift != 0 && val != 0) | |
3476 | val = val >> shift; | |
3477 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3478 | ||
3479 | return 0; | |
3480 | } | |
3481 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3482 | ||
3483 | /** | |
3484 | * snd_soc_put_strobe - strobe put callback | |
3485 | * @kcontrol: mixer control | |
3486 | * @ucontrol: control element information | |
3487 | * | |
3488 | * Callback strobe a register bit to high then low (or the inverse) | |
3489 | * in one pass of a single mixer enum control. | |
3490 | * | |
3491 | * Returns 1 for success. | |
3492 | */ | |
3493 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3494 | struct snd_ctl_elem_value *ucontrol) | |
3495 | { | |
3496 | struct soc_mixer_control *mc = | |
3497 | (struct soc_mixer_control *)kcontrol->private_value; | |
3498 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3499 | unsigned int reg = mc->reg; | |
3500 | unsigned int shift = mc->shift; | |
3501 | unsigned int mask = 1 << shift; | |
3502 | unsigned int invert = mc->invert != 0; | |
3503 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3504 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3505 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3506 | int err; | |
3507 | ||
3508 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3509 | if (err < 0) | |
3510 | return err; | |
3511 | ||
3512 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3513 | return err; | |
3514 | } | |
3515 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3516 | ||
8c6529db LG |
3517 | /** |
3518 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3519 | * @dai: DAI | |
3520 | * @clk_id: DAI specific clock ID | |
3521 | * @freq: new clock frequency in Hz | |
3522 | * @dir: new clock direction - input/output. | |
3523 | * | |
3524 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3525 | */ | |
3526 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3527 | unsigned int freq, int dir) | |
3528 | { | |
f0fba2ad LG |
3529 | if (dai->driver && dai->driver->ops->set_sysclk) |
3530 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3531 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3532 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3533 | freq, dir); |
8c6529db LG |
3534 | else |
3535 | return -EINVAL; | |
3536 | } | |
3537 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3538 | ||
ec4ee52a MB |
3539 | /** |
3540 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3541 | * @codec: CODEC | |
3542 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3543 | * @source: Source for the clock |
ec4ee52a MB |
3544 | * @freq: new clock frequency in Hz |
3545 | * @dir: new clock direction - input/output. | |
3546 | * | |
3547 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3548 | */ | |
3549 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3550 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3551 | { |
3552 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3553 | return codec->driver->set_sysclk(codec, clk_id, source, |
3554 | freq, dir); | |
ec4ee52a MB |
3555 | else |
3556 | return -EINVAL; | |
3557 | } | |
3558 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3559 | ||
8c6529db LG |
3560 | /** |
3561 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3562 | * @dai: DAI | |
ac11a2b3 | 3563 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3564 | * @div: new clock divisor. |
3565 | * | |
3566 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3567 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3568 | * and frame clocks as low as possible to save system power. | |
3569 | */ | |
3570 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3571 | int div_id, int div) | |
3572 | { | |
f0fba2ad LG |
3573 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3574 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3575 | else |
3576 | return -EINVAL; | |
3577 | } | |
3578 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3579 | ||
3580 | /** | |
3581 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3582 | * @dai: DAI | |
3583 | * @pll_id: DAI specific PLL ID | |
85488037 | 3584 | * @source: DAI specific source for the PLL |
8c6529db LG |
3585 | * @freq_in: PLL input clock frequency in Hz |
3586 | * @freq_out: requested PLL output clock frequency in Hz | |
3587 | * | |
3588 | * Configures and enables PLL to generate output clock based on input clock. | |
3589 | */ | |
85488037 MB |
3590 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3591 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3592 | { |
f0fba2ad LG |
3593 | if (dai->driver && dai->driver->ops->set_pll) |
3594 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3595 | freq_in, freq_out); |
ec4ee52a MB |
3596 | else if (dai->codec && dai->codec->driver->set_pll) |
3597 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3598 | freq_in, freq_out); | |
8c6529db LG |
3599 | else |
3600 | return -EINVAL; | |
3601 | } | |
3602 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3603 | ||
ec4ee52a MB |
3604 | /* |
3605 | * snd_soc_codec_set_pll - configure codec PLL. | |
3606 | * @codec: CODEC | |
3607 | * @pll_id: DAI specific PLL ID | |
3608 | * @source: DAI specific source for the PLL | |
3609 | * @freq_in: PLL input clock frequency in Hz | |
3610 | * @freq_out: requested PLL output clock frequency in Hz | |
3611 | * | |
3612 | * Configures and enables PLL to generate output clock based on input clock. | |
3613 | */ | |
3614 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3615 | unsigned int freq_in, unsigned int freq_out) | |
3616 | { | |
3617 | if (codec->driver->set_pll) | |
3618 | return codec->driver->set_pll(codec, pll_id, source, | |
3619 | freq_in, freq_out); | |
3620 | else | |
3621 | return -EINVAL; | |
3622 | } | |
3623 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3624 | ||
8c6529db LG |
3625 | /** |
3626 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3627 | * @dai: DAI | |
8c6529db LG |
3628 | * @fmt: SND_SOC_DAIFMT_ format value. |
3629 | * | |
3630 | * Configures the DAI hardware format and clocking. | |
3631 | */ | |
3632 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3633 | { | |
5e4ba569 | 3634 | if (dai->driver == NULL) |
8c6529db | 3635 | return -EINVAL; |
5e4ba569 SG |
3636 | if (dai->driver->ops->set_fmt == NULL) |
3637 | return -ENOTSUPP; | |
3638 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3639 | } |
3640 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3641 | ||
3642 | /** | |
3643 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3644 | * @dai: DAI | |
a5479e38 DR |
3645 | * @tx_mask: bitmask representing active TX slots. |
3646 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3647 | * @slots: Number of slots in use. |
a5479e38 | 3648 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3649 | * |
3650 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3651 | * specific. | |
3652 | */ | |
3653 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3654 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3655 | { |
f0fba2ad LG |
3656 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3657 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3658 | slots, slot_width); |
8c6529db LG |
3659 | else |
3660 | return -EINVAL; | |
3661 | } | |
3662 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3663 | ||
472df3cb BS |
3664 | /** |
3665 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3666 | * @dai: DAI | |
3667 | * @tx_num: how many TX channels | |
3668 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3669 | * 0~num-1 uses | |
3670 | * @rx_num: how many RX channels | |
3671 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3672 | * 0~num-1 uses | |
3673 | * | |
3674 | * configure the relationship between channel number and TDM slot number. | |
3675 | */ | |
3676 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3677 | unsigned int tx_num, unsigned int *tx_slot, | |
3678 | unsigned int rx_num, unsigned int *rx_slot) | |
3679 | { | |
f0fba2ad LG |
3680 | if (dai->driver && dai->driver->ops->set_channel_map) |
3681 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3682 | rx_num, rx_slot); |
3683 | else | |
3684 | return -EINVAL; | |
3685 | } | |
3686 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3687 | ||
8c6529db LG |
3688 | /** |
3689 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3690 | * @dai: DAI | |
3691 | * @tristate: tristate enable | |
3692 | * | |
3693 | * Tristates the DAI so that others can use it. | |
3694 | */ | |
3695 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3696 | { | |
f0fba2ad LG |
3697 | if (dai->driver && dai->driver->ops->set_tristate) |
3698 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3699 | else |
3700 | return -EINVAL; | |
3701 | } | |
3702 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3703 | ||
3704 | /** | |
3705 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3706 | * @dai: DAI | |
3707 | * @mute: mute enable | |
da18396f | 3708 | * @direction: stream to mute |
8c6529db LG |
3709 | * |
3710 | * Mutes the DAI DAC. | |
3711 | */ | |
da18396f MB |
3712 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3713 | int direction) | |
8c6529db | 3714 | { |
da18396f MB |
3715 | if (!dai->driver) |
3716 | return -ENOTSUPP; | |
3717 | ||
3718 | if (dai->driver->ops->mute_stream) | |
3719 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3720 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3721 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3722 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3723 | else |
04570c62 | 3724 | return -ENOTSUPP; |
8c6529db LG |
3725 | } |
3726 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3727 | ||
c5af3a2e MB |
3728 | /** |
3729 | * snd_soc_register_card - Register a card with the ASoC core | |
3730 | * | |
ac11a2b3 | 3731 | * @card: Card to register |
c5af3a2e | 3732 | * |
c5af3a2e | 3733 | */ |
70a7ca34 | 3734 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3735 | { |
b19e6e7b | 3736 | int i, ret; |
f0fba2ad | 3737 | |
c5af3a2e MB |
3738 | if (!card->name || !card->dev) |
3739 | return -EINVAL; | |
3740 | ||
5a504963 SW |
3741 | for (i = 0; i < card->num_links; i++) { |
3742 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3743 | ||
3744 | /* | |
3745 | * Codec must be specified by 1 of name or OF node, | |
3746 | * not both or neither. | |
3747 | */ | |
3748 | if (!!link->codec_name == !!link->codec_of_node) { | |
10e8aa9a MM |
3749 | dev_err(card->dev, |
3750 | "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3751 | link->name); | |
5a504963 SW |
3752 | return -EINVAL; |
3753 | } | |
bc92657a SW |
3754 | /* Codec DAI name must be specified */ |
3755 | if (!link->codec_dai_name) { | |
10e8aa9a MM |
3756 | dev_err(card->dev, |
3757 | "ASoC: codec_dai_name not set for %s\n", | |
3758 | link->name); | |
bc92657a SW |
3759 | return -EINVAL; |
3760 | } | |
5a504963 SW |
3761 | |
3762 | /* | |
3763 | * Platform may be specified by either name or OF node, but | |
3764 | * can be left unspecified, and a dummy platform will be used. | |
3765 | */ | |
3766 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3767 | dev_err(card->dev, |
3768 | "ASoC: Both platform name/of_node are set for %s\n", | |
3769 | link->name); | |
5a504963 SW |
3770 | return -EINVAL; |
3771 | } | |
3772 | ||
3773 | /* | |
bc92657a SW |
3774 | * CPU device may be specified by either name or OF node, but |
3775 | * can be left unspecified, and will be matched based on DAI | |
3776 | * name alone.. | |
3777 | */ | |
3778 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3779 | dev_err(card->dev, |
3780 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3781 | link->name); | |
bc92657a SW |
3782 | return -EINVAL; |
3783 | } | |
3784 | /* | |
3785 | * At least one of CPU DAI name or CPU device name/node must be | |
3786 | * specified | |
5a504963 | 3787 | */ |
bc92657a SW |
3788 | if (!link->cpu_dai_name && |
3789 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3790 | dev_err(card->dev, |
3791 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3792 | link->name); | |
5a504963 SW |
3793 | return -EINVAL; |
3794 | } | |
3795 | } | |
3796 | ||
ed77cc12 MB |
3797 | dev_set_drvdata(card->dev, card); |
3798 | ||
111c6419 SW |
3799 | snd_soc_initialize_card_lists(card); |
3800 | ||
150dd2f8 VK |
3801 | soc_init_card_debugfs(card); |
3802 | ||
181a6892 MB |
3803 | card->rtd = devm_kzalloc(card->dev, |
3804 | sizeof(struct snd_soc_pcm_runtime) * | |
3805 | (card->num_links + card->num_aux_devs), | |
3806 | GFP_KERNEL); | |
f0fba2ad LG |
3807 | if (card->rtd == NULL) |
3808 | return -ENOMEM; | |
a7dbb603 | 3809 | card->num_rtd = 0; |
2eea392d | 3810 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3811 | |
3812 | for (i = 0; i < card->num_links; i++) | |
3813 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3814 | ||
c5af3a2e | 3815 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3816 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3817 | card->instantiated = 0; |
f0fba2ad | 3818 | mutex_init(&card->mutex); |
a73fb2df | 3819 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3820 | |
b19e6e7b MB |
3821 | ret = snd_soc_instantiate_card(card); |
3822 | if (ret != 0) | |
3823 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3824 | |
b19e6e7b | 3825 | return ret; |
c5af3a2e | 3826 | } |
70a7ca34 | 3827 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3828 | |
3829 | /** | |
3830 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3831 | * | |
ac11a2b3 | 3832 | * @card: Card to unregister |
c5af3a2e | 3833 | * |
c5af3a2e | 3834 | */ |
70a7ca34 | 3835 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3836 | { |
b0e26485 VK |
3837 | if (card->instantiated) |
3838 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3839 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3840 | |
3841 | return 0; | |
3842 | } | |
70a7ca34 | 3843 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3844 | |
f0fba2ad LG |
3845 | /* |
3846 | * Simplify DAI link configuration by removing ".-1" from device names | |
3847 | * and sanitizing names. | |
3848 | */ | |
0b9a214a | 3849 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3850 | { |
3851 | char *found, name[NAME_SIZE]; | |
3852 | int id1, id2; | |
3853 | ||
3854 | if (dev_name(dev) == NULL) | |
3855 | return NULL; | |
3856 | ||
58818a77 | 3857 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3858 | |
3859 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3860 | found = strstr(name, dev->driver->name); | |
3861 | if (found) { | |
3862 | /* get ID */ | |
3863 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3864 | ||
3865 | /* discard ID from name if ID == -1 */ | |
3866 | if (*id == -1) | |
3867 | found[strlen(dev->driver->name)] = '\0'; | |
3868 | } | |
3869 | ||
3870 | } else { | |
3871 | /* I2C component devices are named "bus-addr" */ | |
3872 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3873 | char tmp[NAME_SIZE]; | |
3874 | ||
3875 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3876 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3877 | |
3878 | /* sanitize component name for DAI link creation */ | |
3879 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3880 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3881 | } else |
3882 | *id = 0; | |
3883 | } | |
3884 | ||
3885 | return kstrdup(name, GFP_KERNEL); | |
3886 | } | |
3887 | ||
3888 | /* | |
3889 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3890 | * any ".-1" and using the DAI name (instead of device name). | |
3891 | */ | |
3892 | static inline char *fmt_multiple_name(struct device *dev, | |
3893 | struct snd_soc_dai_driver *dai_drv) | |
3894 | { | |
3895 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3896 | dev_err(dev, |
3897 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3898 | dev_name(dev)); | |
f0fba2ad LG |
3899 | return NULL; |
3900 | } | |
3901 | ||
3902 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3903 | } | |
3904 | ||
9115171a MB |
3905 | /** |
3906 | * snd_soc_register_dai - Register a DAI with the ASoC core | |
3907 | * | |
ac11a2b3 | 3908 | * @dai: DAI to register |
9115171a | 3909 | */ |
f53179c0 | 3910 | static int snd_soc_register_dai(struct device *dev, |
f0fba2ad | 3911 | struct snd_soc_dai_driver *dai_drv) |
9115171a | 3912 | { |
054880fe | 3913 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3914 | struct snd_soc_dai *dai; |
3915 | ||
f110bfc7 | 3916 | dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev)); |
9115171a | 3917 | |
f0fba2ad LG |
3918 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
3919 | if (dai == NULL) | |
a7393623 | 3920 | return -ENOMEM; |
9115171a | 3921 | |
f0fba2ad LG |
3922 | /* create DAI component name */ |
3923 | dai->name = fmt_single_name(dev, &dai->id); | |
3924 | if (dai->name == NULL) { | |
3925 | kfree(dai); | |
3926 | return -ENOMEM; | |
3927 | } | |
6335d055 | 3928 | |
f0fba2ad LG |
3929 | dai->dev = dev; |
3930 | dai->driver = dai_drv; | |
be09ad90 | 3931 | dai->dapm.dev = dev; |
f0fba2ad LG |
3932 | if (!dai->driver->ops) |
3933 | dai->driver->ops = &null_dai_ops; | |
9115171a MB |
3934 | |
3935 | mutex_lock(&client_mutex); | |
054880fe MB |
3936 | |
3937 | list_for_each_entry(codec, &codec_list, list) { | |
3938 | if (codec->dev == dev) { | |
f110bfc7 | 3939 | dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n", |
054880fe MB |
3940 | dai->name, codec->name); |
3941 | dai->codec = codec; | |
3942 | break; | |
3943 | } | |
3944 | } | |
3945 | ||
5f800080 PU |
3946 | if (!dai->codec) |
3947 | dai->dapm.idle_bias_off = 1; | |
3948 | ||
9115171a | 3949 | list_add(&dai->list, &dai_list); |
054880fe | 3950 | |
9115171a MB |
3951 | mutex_unlock(&client_mutex); |
3952 | ||
f110bfc7 | 3953 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3954 | |
3955 | return 0; | |
3956 | } | |
9115171a MB |
3957 | |
3958 | /** | |
3959 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core | |
3960 | * | |
ac11a2b3 | 3961 | * @dai: DAI to unregister |
9115171a | 3962 | */ |
f53179c0 | 3963 | static void snd_soc_unregister_dai(struct device *dev) |
9115171a | 3964 | { |
f0fba2ad LG |
3965 | struct snd_soc_dai *dai; |
3966 | ||
3967 | list_for_each_entry(dai, &dai_list, list) { | |
3968 | if (dev == dai->dev) | |
3969 | goto found; | |
3970 | } | |
3971 | return; | |
3972 | ||
3973 | found: | |
9115171a MB |
3974 | mutex_lock(&client_mutex); |
3975 | list_del(&dai->list); | |
3976 | mutex_unlock(&client_mutex); | |
3977 | ||
f110bfc7 | 3978 | dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name); |
f0fba2ad LG |
3979 | kfree(dai->name); |
3980 | kfree(dai); | |
9115171a | 3981 | } |
9115171a MB |
3982 | |
3983 | /** | |
3984 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core | |
3985 | * | |
ac11a2b3 MB |
3986 | * @dai: Array of DAIs to register |
3987 | * @count: Number of DAIs | |
9115171a | 3988 | */ |
f53179c0 | 3989 | static int snd_soc_register_dais(struct device *dev, |
f0fba2ad | 3990 | struct snd_soc_dai_driver *dai_drv, size_t count) |
9115171a | 3991 | { |
054880fe | 3992 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3993 | struct snd_soc_dai *dai; |
3994 | int i, ret = 0; | |
3995 | ||
f110bfc7 | 3996 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
3997 | |
3998 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
3999 | |
4000 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
4001 | if (dai == NULL) { |
4002 | ret = -ENOMEM; | |
4003 | goto err; | |
4004 | } | |
f0fba2ad LG |
4005 | |
4006 | /* create DAI component name */ | |
4007 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
4008 | if (dai->name == NULL) { | |
4009 | kfree(dai); | |
4010 | ret = -EINVAL; | |
9115171a | 4011 | goto err; |
f0fba2ad LG |
4012 | } |
4013 | ||
4014 | dai->dev = dev; | |
f0fba2ad | 4015 | dai->driver = &dai_drv[i]; |
0f9141c9 MB |
4016 | if (dai->driver->id) |
4017 | dai->id = dai->driver->id; | |
4018 | else | |
4019 | dai->id = i; | |
be09ad90 | 4020 | dai->dapm.dev = dev; |
f0fba2ad LG |
4021 | if (!dai->driver->ops) |
4022 | dai->driver->ops = &null_dai_ops; | |
4023 | ||
4024 | mutex_lock(&client_mutex); | |
054880fe MB |
4025 | |
4026 | list_for_each_entry(codec, &codec_list, list) { | |
4027 | if (codec->dev == dev) { | |
10e8aa9a MM |
4028 | dev_dbg(dev, |
4029 | "ASoC: Mapped DAI %s to CODEC %s\n", | |
4030 | dai->name, codec->name); | |
054880fe MB |
4031 | dai->codec = codec; |
4032 | break; | |
4033 | } | |
4034 | } | |
4035 | ||
5f800080 PU |
4036 | if (!dai->codec) |
4037 | dai->dapm.idle_bias_off = 1; | |
4038 | ||
f0fba2ad | 4039 | list_add(&dai->list, &dai_list); |
054880fe | 4040 | |
f0fba2ad LG |
4041 | mutex_unlock(&client_mutex); |
4042 | ||
f110bfc7 | 4043 | dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
4044 | } |
4045 | ||
4046 | return 0; | |
4047 | ||
4048 | err: | |
4049 | for (i--; i >= 0; i--) | |
f0fba2ad | 4050 | snd_soc_unregister_dai(dev); |
9115171a MB |
4051 | |
4052 | return ret; | |
4053 | } | |
9115171a MB |
4054 | |
4055 | /** | |
4056 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core | |
4057 | * | |
ac11a2b3 MB |
4058 | * @dai: Array of DAIs to unregister |
4059 | * @count: Number of DAIs | |
9115171a | 4060 | */ |
f53179c0 | 4061 | static void snd_soc_unregister_dais(struct device *dev, size_t count) |
9115171a MB |
4062 | { |
4063 | int i; | |
4064 | ||
4065 | for (i = 0; i < count; i++) | |
f0fba2ad | 4066 | snd_soc_unregister_dai(dev); |
9115171a | 4067 | } |
9115171a | 4068 | |
12a48a8c | 4069 | /** |
71a45cda LPC |
4070 | * snd_soc_add_platform - Add a platform to the ASoC core |
4071 | * @dev: The parent device for the platform | |
4072 | * @platform: The platform to add | |
4073 | * @platform_driver: The driver for the platform | |
12a48a8c | 4074 | */ |
71a45cda | 4075 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4076 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4077 | { |
f0fba2ad LG |
4078 | /* create platform component name */ |
4079 | platform->name = fmt_single_name(dev, &platform->id); | |
b5c745fb | 4080 | if (platform->name == NULL) |
f0fba2ad | 4081 | return -ENOMEM; |
12a48a8c | 4082 | |
f0fba2ad LG |
4083 | platform->dev = dev; |
4084 | platform->driver = platform_drv; | |
b7950641 LG |
4085 | platform->dapm.dev = dev; |
4086 | platform->dapm.platform = platform; | |
64a648c2 | 4087 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 4088 | mutex_init(&platform->mutex); |
12a48a8c MB |
4089 | |
4090 | mutex_lock(&client_mutex); | |
4091 | list_add(&platform->list, &platform_list); | |
4092 | mutex_unlock(&client_mutex); | |
4093 | ||
f110bfc7 | 4094 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
4095 | |
4096 | return 0; | |
4097 | } | |
71a45cda | 4098 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4099 | |
4100 | /** | |
71a45cda | 4101 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4102 | * |
71a45cda | 4103 | * @platform: platform to register |
12a48a8c | 4104 | */ |
71a45cda LPC |
4105 | int snd_soc_register_platform(struct device *dev, |
4106 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4107 | { |
f0fba2ad | 4108 | struct snd_soc_platform *platform; |
71a45cda | 4109 | int ret; |
f0fba2ad | 4110 | |
71a45cda | 4111 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4112 | |
71a45cda LPC |
4113 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4114 | if (platform == NULL) | |
4115 | return -ENOMEM; | |
4116 | ||
4117 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4118 | if (ret) | |
4119 | kfree(platform); | |
4120 | ||
4121 | return ret; | |
4122 | } | |
4123 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4124 | ||
4125 | /** | |
4126 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4127 | * @platform: the platform to remove | |
4128 | */ | |
4129 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4130 | { | |
12a48a8c MB |
4131 | mutex_lock(&client_mutex); |
4132 | list_del(&platform->list); | |
4133 | mutex_unlock(&client_mutex); | |
4134 | ||
71a45cda LPC |
4135 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
4136 | platform->name); | |
f0fba2ad | 4137 | kfree(platform->name); |
71a45cda LPC |
4138 | } |
4139 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4140 | ||
4141 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4142 | { | |
4143 | struct snd_soc_platform *platform; | |
4144 | ||
4145 | list_for_each_entry(platform, &platform_list, list) { | |
4146 | if (dev == platform->dev) | |
4147 | return platform; | |
4148 | } | |
4149 | ||
4150 | return NULL; | |
4151 | } | |
4152 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4153 | ||
4154 | /** | |
4155 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4156 | * | |
4157 | * @platform: platform to unregister | |
4158 | */ | |
4159 | void snd_soc_unregister_platform(struct device *dev) | |
4160 | { | |
4161 | struct snd_soc_platform *platform; | |
4162 | ||
4163 | platform = snd_soc_lookup_platform(dev); | |
4164 | if (!platform) | |
4165 | return; | |
4166 | ||
4167 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4168 | kfree(platform); |
12a48a8c MB |
4169 | } |
4170 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4171 | ||
151ab22c MB |
4172 | static u64 codec_format_map[] = { |
4173 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4174 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4175 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4176 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4177 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4178 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4179 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4180 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4181 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4182 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4183 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4184 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4185 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4186 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4187 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4188 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4189 | }; | |
4190 | ||
4191 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4192 | * the endianness of the data but we're using the CPU format | |
4193 | * definitions which do need to include endianness so we ensure that | |
4194 | * codec DAIs always have both big and little endian variants set. | |
4195 | */ | |
4196 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4197 | { | |
4198 | int i; | |
4199 | ||
4200 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4201 | if (stream->formats & codec_format_map[i]) | |
4202 | stream->formats |= codec_format_map[i]; | |
4203 | } | |
4204 | ||
0d0cf00a MB |
4205 | /** |
4206 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4207 | * | |
ac11a2b3 | 4208 | * @codec: codec to register |
0d0cf00a | 4209 | */ |
f0fba2ad | 4210 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4211 | const struct snd_soc_codec_driver *codec_drv, |
4212 | struct snd_soc_dai_driver *dai_drv, | |
4213 | int num_dai) | |
0d0cf00a | 4214 | { |
3335ddca | 4215 | size_t reg_size; |
f0fba2ad LG |
4216 | struct snd_soc_codec *codec; |
4217 | int ret, i; | |
151ab22c | 4218 | |
f0fba2ad LG |
4219 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4220 | ||
4221 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4222 | if (codec == NULL) | |
4223 | return -ENOMEM; | |
0d0cf00a | 4224 | |
f0fba2ad LG |
4225 | /* create CODEC component name */ |
4226 | codec->name = fmt_single_name(dev, &codec->id); | |
4227 | if (codec->name == NULL) { | |
f790b94d KM |
4228 | ret = -ENOMEM; |
4229 | goto fail_codec; | |
f0fba2ad LG |
4230 | } |
4231 | ||
23bbce34 DP |
4232 | if (codec_drv->compress_type) |
4233 | codec->compress_type = codec_drv->compress_type; | |
4234 | else | |
4235 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; | |
4236 | ||
c3acec26 MB |
4237 | codec->write = codec_drv->write; |
4238 | codec->read = codec_drv->read; | |
1500b7b5 DP |
4239 | codec->volatile_register = codec_drv->volatile_register; |
4240 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 4241 | codec->writable_register = codec_drv->writable_register; |
5124e69e | 4242 | codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4243 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4244 | codec->dapm.dev = dev; | |
4245 | codec->dapm.codec = codec; | |
474b62d6 | 4246 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4247 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4248 | codec->dev = dev; |
4249 | codec->driver = codec_drv; | |
4250 | codec->num_dai = num_dai; | |
4251 | mutex_init(&codec->mutex); | |
ce6120cc | 4252 | |
f0fba2ad LG |
4253 | /* allocate CODEC register cache */ |
4254 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { | |
3335ddca | 4255 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
aea170a0 | 4256 | codec->reg_size = reg_size; |
3335ddca DP |
4257 | /* it is necessary to make a copy of the default register cache |
4258 | * because in the case of using a compression type that requires | |
f6e65744 | 4259 | * the default register cache to be marked as the |
3335ddca DP |
4260 | * kernel might have freed the array by the time we initialize |
4261 | * the cache. | |
4262 | */ | |
2aa86323 DP |
4263 | if (codec_drv->reg_cache_default) { |
4264 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, | |
4265 | reg_size, GFP_KERNEL); | |
4266 | if (!codec->reg_def_copy) { | |
4267 | ret = -ENOMEM; | |
f790b94d | 4268 | goto fail_codec_name; |
2aa86323 | 4269 | } |
f0fba2ad | 4270 | } |
151ab22c MB |
4271 | } |
4272 | ||
1500b7b5 DP |
4273 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
4274 | if (!codec->volatile_register) | |
4275 | codec->volatile_register = snd_soc_default_volatile_register; | |
4276 | if (!codec->readable_register) | |
4277 | codec->readable_register = snd_soc_default_readable_register; | |
8020454c DP |
4278 | if (!codec->writable_register) |
4279 | codec->writable_register = snd_soc_default_writable_register; | |
1500b7b5 DP |
4280 | } |
4281 | ||
f0fba2ad LG |
4282 | for (i = 0; i < num_dai; i++) { |
4283 | fixup_codec_formats(&dai_drv[i].playback); | |
4284 | fixup_codec_formats(&dai_drv[i].capture); | |
4285 | } | |
4286 | ||
054880fe MB |
4287 | mutex_lock(&client_mutex); |
4288 | list_add(&codec->list, &codec_list); | |
4289 | mutex_unlock(&client_mutex); | |
4290 | ||
26b01ccd | 4291 | /* register any DAIs */ |
5acd7dfb KM |
4292 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); |
4293 | if (ret < 0) { | |
4294 | dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4295 | goto fail_codec_name; | |
26b01ccd | 4296 | } |
f0fba2ad | 4297 | |
f110bfc7 | 4298 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4299 | return 0; |
f0fba2ad | 4300 | |
f790b94d | 4301 | fail_codec_name: |
e1328a83 KM |
4302 | mutex_lock(&client_mutex); |
4303 | list_del(&codec->list); | |
4304 | mutex_unlock(&client_mutex); | |
4305 | ||
f0fba2ad | 4306 | kfree(codec->name); |
f790b94d | 4307 | fail_codec: |
f0fba2ad LG |
4308 | kfree(codec); |
4309 | return ret; | |
0d0cf00a MB |
4310 | } |
4311 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4312 | ||
4313 | /** | |
4314 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4315 | * | |
ac11a2b3 | 4316 | * @codec: codec to unregister |
0d0cf00a | 4317 | */ |
f0fba2ad | 4318 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4319 | { |
f0fba2ad | 4320 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4321 | |
4322 | list_for_each_entry(codec, &codec_list, list) { | |
4323 | if (dev == codec->dev) | |
4324 | goto found; | |
4325 | } | |
4326 | return; | |
4327 | ||
4328 | found: | |
5acd7dfb | 4329 | snd_soc_unregister_dais(dev, codec->num_dai); |
f0fba2ad | 4330 | |
0d0cf00a MB |
4331 | mutex_lock(&client_mutex); |
4332 | list_del(&codec->list); | |
4333 | mutex_unlock(&client_mutex); | |
4334 | ||
f110bfc7 | 4335 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4336 | |
7a30a3db | 4337 | snd_soc_cache_exit(codec); |
3335ddca | 4338 | kfree(codec->reg_def_copy); |
1aafcd4d | 4339 | kfree(codec->name); |
f0fba2ad | 4340 | kfree(codec); |
0d0cf00a MB |
4341 | } |
4342 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4343 | ||
030e79f6 KM |
4344 | |
4345 | /** | |
4346 | * snd_soc_register_component - Register a component with the ASoC core | |
4347 | * | |
4348 | */ | |
4349 | int snd_soc_register_component(struct device *dev, | |
4350 | const struct snd_soc_component_driver *cmpnt_drv, | |
4351 | struct snd_soc_dai_driver *dai_drv, | |
4352 | int num_dai) | |
4353 | { | |
4354 | struct snd_soc_component *cmpnt; | |
4355 | int ret; | |
4356 | ||
4357 | dev_dbg(dev, "component register %s\n", dev_name(dev)); | |
4358 | ||
4359 | cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); | |
4360 | if (!cmpnt) { | |
4361 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4362 | return -ENOMEM; | |
4363 | } | |
4364 | ||
4365 | cmpnt->name = fmt_single_name(dev, &cmpnt->id); | |
4366 | if (!cmpnt->name) { | |
4367 | dev_err(dev, "ASoC: Failed to simplifying name\n"); | |
4368 | return -ENOMEM; | |
4369 | } | |
4370 | ||
4371 | cmpnt->dev = dev; | |
4372 | cmpnt->driver = cmpnt_drv; | |
4373 | cmpnt->num_dai = num_dai; | |
4374 | ||
a1422b8c KM |
4375 | /* |
4376 | * snd_soc_register_dai() uses fmt_single_name(), and | |
4377 | * snd_soc_register_dais() uses fmt_multiple_name() | |
4378 | * for dai->name which is used for name based matching | |
4379 | */ | |
4380 | if (1 == num_dai) | |
4381 | ret = snd_soc_register_dai(dev, dai_drv); | |
4382 | else | |
4383 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); | |
030e79f6 KM |
4384 | if (ret < 0) { |
4385 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4386 | goto error_component_name; | |
4387 | } | |
4388 | ||
4389 | mutex_lock(&client_mutex); | |
4390 | list_add(&cmpnt->list, &component_list); | |
4391 | mutex_unlock(&client_mutex); | |
4392 | ||
4393 | dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); | |
4394 | ||
4395 | return ret; | |
4396 | ||
4397 | error_component_name: | |
4398 | kfree(cmpnt->name); | |
4399 | ||
4400 | return ret; | |
4401 | } | |
2e1cc199 | 4402 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
030e79f6 KM |
4403 | |
4404 | /** | |
4405 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4406 | * | |
4407 | */ | |
4408 | void snd_soc_unregister_component(struct device *dev) | |
4409 | { | |
4410 | struct snd_soc_component *cmpnt; | |
4411 | ||
4412 | list_for_each_entry(cmpnt, &component_list, list) { | |
4413 | if (dev == cmpnt->dev) | |
4414 | goto found; | |
4415 | } | |
4416 | return; | |
4417 | ||
4418 | found: | |
4419 | snd_soc_unregister_dais(dev, cmpnt->num_dai); | |
4420 | ||
4421 | mutex_lock(&client_mutex); | |
4422 | list_del(&cmpnt->list); | |
4423 | mutex_unlock(&client_mutex); | |
4424 | ||
4425 | dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); | |
4426 | kfree(cmpnt->name); | |
4427 | } | |
2e1cc199 | 4428 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); |
030e79f6 | 4429 | |
bec4fa05 SW |
4430 | /* Retrieve a card's name from device tree */ |
4431 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4432 | const char *propname) | |
4433 | { | |
4434 | struct device_node *np = card->dev->of_node; | |
4435 | int ret; | |
4436 | ||
4437 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4438 | /* | |
4439 | * EINVAL means the property does not exist. This is fine providing | |
4440 | * card->name was previously set, which is checked later in | |
4441 | * snd_soc_register_card. | |
4442 | */ | |
4443 | if (ret < 0 && ret != -EINVAL) { | |
4444 | dev_err(card->dev, | |
f110bfc7 | 4445 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4446 | propname, ret); |
4447 | return ret; | |
4448 | } | |
4449 | ||
4450 | return 0; | |
4451 | } | |
4452 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4453 | ||
a4a54dd5 SW |
4454 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4455 | const char *propname) | |
4456 | { | |
4457 | struct device_node *np = card->dev->of_node; | |
4458 | int num_routes; | |
4459 | struct snd_soc_dapm_route *routes; | |
4460 | int i, ret; | |
4461 | ||
4462 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4463 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4464 | dev_err(card->dev, |
4465 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4466 | propname); | |
a4a54dd5 SW |
4467 | return -EINVAL; |
4468 | } | |
4469 | num_routes /= 2; | |
4470 | if (!num_routes) { | |
f110bfc7 | 4471 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4472 | propname); |
4473 | return -EINVAL; | |
4474 | } | |
4475 | ||
4476 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4477 | GFP_KERNEL); | |
4478 | if (!routes) { | |
4479 | dev_err(card->dev, | |
f110bfc7 | 4480 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4481 | return -EINVAL; |
4482 | } | |
4483 | ||
4484 | for (i = 0; i < num_routes; i++) { | |
4485 | ret = of_property_read_string_index(np, propname, | |
4486 | 2 * i, &routes[i].sink); | |
4487 | if (ret) { | |
c871bd0b MB |
4488 | dev_err(card->dev, |
4489 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4490 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4491 | return -EINVAL; |
4492 | } | |
4493 | ret = of_property_read_string_index(np, propname, | |
4494 | (2 * i) + 1, &routes[i].source); | |
4495 | if (ret) { | |
4496 | dev_err(card->dev, | |
c871bd0b MB |
4497 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4498 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4499 | return -EINVAL; |
4500 | } | |
4501 | } | |
4502 | ||
4503 | card->num_dapm_routes = num_routes; | |
4504 | card->dapm_routes = routes; | |
4505 | ||
4506 | return 0; | |
4507 | } | |
4508 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4509 | ||
a7930ed4 KM |
4510 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
4511 | const char *prefix) | |
4512 | { | |
4513 | int ret, i; | |
4514 | char prop[128]; | |
4515 | unsigned int format = 0; | |
4516 | int bit, frame; | |
4517 | const char *str; | |
4518 | struct { | |
4519 | char *name; | |
4520 | unsigned int val; | |
4521 | } of_fmt_table[] = { | |
4522 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4523 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4524 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4525 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4526 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4527 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4528 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4529 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4530 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4531 | }; |
4532 | ||
4533 | if (!prefix) | |
4534 | prefix = ""; | |
4535 | ||
4536 | /* | |
4537 | * check "[prefix]format = xxx" | |
4538 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4539 | */ | |
4540 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4541 | ret = of_property_read_string(np, prop, &str); | |
4542 | if (ret == 0) { | |
4543 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4544 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4545 | format |= of_fmt_table[i].val; | |
4546 | break; | |
4547 | } | |
4548 | } | |
4549 | } | |
4550 | ||
4551 | /* | |
8c2d6a9f | 4552 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4553 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4554 | */ | |
8c2d6a9f KM |
4555 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4556 | if (of_get_property(np, prop, NULL)) | |
4557 | format |= SND_SOC_DAIFMT_CONT; | |
4558 | else | |
4559 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4560 | |
4561 | /* | |
4562 | * check "[prefix]bitclock-inversion" | |
4563 | * check "[prefix]frame-inversion" | |
4564 | * SND_SOC_DAIFMT_INV_MASK area | |
4565 | */ | |
4566 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4567 | bit = !!of_get_property(np, prop, NULL); | |
4568 | ||
4569 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4570 | frame = !!of_get_property(np, prop, NULL); | |
4571 | ||
4572 | switch ((bit << 4) + frame) { | |
4573 | case 0x11: | |
4574 | format |= SND_SOC_DAIFMT_IB_IF; | |
4575 | break; | |
4576 | case 0x10: | |
4577 | format |= SND_SOC_DAIFMT_IB_NF; | |
4578 | break; | |
4579 | case 0x01: | |
4580 | format |= SND_SOC_DAIFMT_NB_IF; | |
4581 | break; | |
4582 | default: | |
4583 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4584 | break; | |
4585 | } | |
4586 | ||
4587 | /* | |
4588 | * check "[prefix]bitclock-master" | |
4589 | * check "[prefix]frame-master" | |
4590 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4591 | */ | |
4592 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4593 | bit = !!of_get_property(np, prop, NULL); | |
4594 | ||
4595 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4596 | frame = !!of_get_property(np, prop, NULL); | |
4597 | ||
4598 | switch ((bit << 4) + frame) { | |
4599 | case 0x11: | |
4600 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4601 | break; | |
4602 | case 0x10: | |
4603 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4604 | break; | |
4605 | case 0x01: | |
4606 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4607 | break; | |
4608 | default: | |
4609 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4610 | break; | |
4611 | } | |
4612 | ||
4613 | return format; | |
4614 | } | |
4615 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4616 | ||
c9b3a40f | 4617 | static int __init snd_soc_init(void) |
db2a4165 | 4618 | { |
384c89e2 | 4619 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4620 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4621 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4622 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4623 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4624 | } |
c3c5a19a | 4625 | |
8a9dab1a | 4626 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4627 | &codec_list_fops)) |
4628 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4629 | ||
8a9dab1a | 4630 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4631 | &dai_list_fops)) |
4632 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4633 | |
8a9dab1a | 4634 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4635 | &platform_list_fops)) |
4636 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4637 | #endif |
4638 | ||
fb257897 MB |
4639 | snd_soc_util_init(); |
4640 | ||
db2a4165 FM |
4641 | return platform_driver_register(&soc_driver); |
4642 | } | |
4abe8e16 | 4643 | module_init(snd_soc_init); |
db2a4165 | 4644 | |
7d8c16a6 | 4645 | static void __exit snd_soc_exit(void) |
db2a4165 | 4646 | { |
fb257897 MB |
4647 | snd_soc_util_exit(); |
4648 | ||
384c89e2 | 4649 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4650 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4651 | #endif |
3ff3f64b | 4652 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4653 | } |
db2a4165 FM |
4654 | module_exit(snd_soc_exit); |
4655 | ||
4656 | /* Module information */ | |
d331124d | 4657 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4658 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4659 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4660 | MODULE_ALIAS("platform:soc-audio"); |