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Commit | Line | Data |
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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 | ||
384c89e2 | 53 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
54 | struct dentry *snd_soc_debugfs_root; |
55 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
56 | #endif |
57 | ||
c5af3a2e | 58 | static DEFINE_MUTEX(client_mutex); |
12a48a8c | 59 | static LIST_HEAD(platform_list); |
0d0cf00a | 60 | static LIST_HEAD(codec_list); |
030e79f6 | 61 | static LIST_HEAD(component_list); |
c5af3a2e | 62 | |
db2a4165 FM |
63 | /* |
64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
65 | * It can be used to eliminate pops between different playback streams, e.g. | |
66 | * between two audio tracks. | |
67 | */ | |
68 | static int pmdown_time = 5000; | |
69 | module_param(pmdown_time, int, 0); | |
70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
71 | ||
741a509f MP |
72 | struct snd_ac97_reset_cfg { |
73 | struct pinctrl *pctl; | |
74 | struct pinctrl_state *pstate_reset; | |
75 | struct pinctrl_state *pstate_warm_reset; | |
76 | struct pinctrl_state *pstate_run; | |
77 | int gpio_sdata; | |
78 | int gpio_sync; | |
79 | int gpio_reset; | |
80 | }; | |
81 | ||
2bc9a81e DP |
82 | /* returns the minimum number of bytes needed to represent |
83 | * a particular given value */ | |
84 | static int min_bytes_needed(unsigned long val) | |
85 | { | |
86 | int c = 0; | |
87 | int i; | |
88 | ||
89 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
90 | if (val & (1UL << i)) | |
91 | break; | |
92 | c = (sizeof val * 8) - c; | |
93 | if (!c || (c % 8)) | |
94 | c = (c + 8) / 8; | |
95 | else | |
96 | c /= 8; | |
97 | return c; | |
98 | } | |
99 | ||
13fd179f DP |
100 | /* fill buf which is 'len' bytes with a formatted |
101 | * string of the form 'reg: value\n' */ | |
102 | static int format_register_str(struct snd_soc_codec *codec, | |
103 | unsigned int reg, char *buf, size_t len) | |
104 | { | |
00b317a4 SW |
105 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
106 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
107 | int ret; |
108 | char tmpbuf[len + 1]; | |
109 | char regbuf[regsize + 1]; | |
110 | ||
111 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
112 | * try to abuse this function */ | |
113 | WARN_ON(len > 63); | |
114 | ||
115 | /* +2 for ': ' and + 1 for '\n' */ | |
116 | if (wordsize + regsize + 2 + 1 != len) | |
117 | return -EINVAL; | |
118 | ||
25032c11 | 119 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
120 | if (ret < 0) { |
121 | memset(regbuf, 'X', regsize); | |
122 | regbuf[regsize] = '\0'; | |
123 | } else { | |
124 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
125 | } | |
126 | ||
127 | /* prepare the buffer */ | |
128 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
129 | /* copy it back to the caller without the '\0' */ | |
130 | memcpy(buf, tmpbuf, len); | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
2624d5fa | 135 | /* codec register dump */ |
13fd179f DP |
136 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
137 | size_t count, loff_t pos) | |
2624d5fa | 138 | { |
13fd179f | 139 | int i, step = 1; |
2bc9a81e | 140 | int wordsize, regsize; |
13fd179f DP |
141 | int len; |
142 | size_t total = 0; | |
143 | loff_t p = 0; | |
2bc9a81e | 144 | |
00b317a4 SW |
145 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
146 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 147 | |
13fd179f DP |
148 | len = wordsize + regsize + 2 + 1; |
149 | ||
f0fba2ad | 150 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
151 | return 0; |
152 | ||
f0fba2ad LG |
153 | if (codec->driver->reg_cache_step) |
154 | step = codec->driver->reg_cache_step; | |
2624d5fa | 155 | |
f0fba2ad | 156 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
20a0ec27 LPC |
157 | /* only support larger than PAGE_SIZE bytes debugfs |
158 | * entries for the default case */ | |
159 | if (p >= pos) { | |
160 | if (total + len >= count - 1) | |
161 | break; | |
162 | format_register_str(codec, i, buf + total, len); | |
163 | total += len; | |
5164d74d | 164 | } |
20a0ec27 | 165 | p += len; |
2624d5fa MB |
166 | } |
167 | ||
13fd179f | 168 | total = min(total, count - 1); |
2624d5fa | 169 | |
13fd179f | 170 | return total; |
2624d5fa | 171 | } |
13fd179f | 172 | |
2624d5fa MB |
173 | static ssize_t codec_reg_show(struct device *dev, |
174 | struct device_attribute *attr, char *buf) | |
175 | { | |
36ae1a96 | 176 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 177 | |
13fd179f | 178 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
179 | } |
180 | ||
181 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
182 | ||
dbe21408 MB |
183 | static ssize_t pmdown_time_show(struct device *dev, |
184 | struct device_attribute *attr, char *buf) | |
185 | { | |
36ae1a96 | 186 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 187 | |
f0fba2ad | 188 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
189 | } |
190 | ||
191 | static ssize_t pmdown_time_set(struct device *dev, | |
192 | struct device_attribute *attr, | |
193 | const char *buf, size_t count) | |
194 | { | |
36ae1a96 | 195 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 196 | int ret; |
dbe21408 | 197 | |
b785a492 | 198 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
199 | if (ret) |
200 | return ret; | |
dbe21408 MB |
201 | |
202 | return count; | |
203 | } | |
204 | ||
205 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
206 | ||
2624d5fa | 207 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 208 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 209 | size_t count, loff_t *ppos) |
2624d5fa MB |
210 | { |
211 | ssize_t ret; | |
212 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
213 | char *buf; |
214 | ||
215 | if (*ppos < 0 || !count) | |
216 | return -EINVAL; | |
217 | ||
218 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
219 | if (!buf) |
220 | return -ENOMEM; | |
13fd179f DP |
221 | |
222 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
223 | if (ret >= 0) { | |
224 | if (copy_to_user(user_buf, buf, ret)) { | |
225 | kfree(buf); | |
226 | return -EFAULT; | |
227 | } | |
228 | *ppos += ret; | |
229 | } | |
230 | ||
2624d5fa MB |
231 | kfree(buf); |
232 | return ret; | |
233 | } | |
234 | ||
235 | static ssize_t codec_reg_write_file(struct file *file, | |
236 | const char __user *user_buf, size_t count, loff_t *ppos) | |
237 | { | |
238 | char buf[32]; | |
34e268d8 | 239 | size_t buf_size; |
2624d5fa MB |
240 | char *start = buf; |
241 | unsigned long reg, value; | |
2624d5fa | 242 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 243 | int ret; |
2624d5fa MB |
244 | |
245 | buf_size = min(count, (sizeof(buf)-1)); | |
246 | if (copy_from_user(buf, user_buf, buf_size)) | |
247 | return -EFAULT; | |
248 | buf[buf_size] = 0; | |
2624d5fa MB |
249 | |
250 | while (*start == ' ') | |
251 | start++; | |
252 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
253 | while (*start == ' ') |
254 | start++; | |
b785a492 JH |
255 | ret = kstrtoul(start, 16, &value); |
256 | if (ret) | |
257 | return ret; | |
0d51a9cb MB |
258 | |
259 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 260 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 261 | |
e4f078d8 | 262 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
263 | return buf_size; |
264 | } | |
265 | ||
266 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 267 | .open = simple_open, |
2624d5fa MB |
268 | .read = codec_reg_read_file, |
269 | .write = codec_reg_write_file, | |
6038f373 | 270 | .llseek = default_llseek, |
2624d5fa MB |
271 | }; |
272 | ||
e73f3de5 RK |
273 | static struct dentry *soc_debugfs_create_dir(struct dentry *parent, |
274 | const char *fmt, ...) | |
275 | { | |
276 | struct dentry *de; | |
277 | va_list ap; | |
278 | char *s; | |
279 | ||
280 | va_start(ap, fmt); | |
281 | s = kvasprintf(GFP_KERNEL, fmt, ap); | |
282 | va_end(ap); | |
283 | ||
284 | if (!s) | |
285 | return NULL; | |
286 | ||
287 | de = debugfs_create_dir(s, parent); | |
288 | kfree(s); | |
289 | ||
290 | return de; | |
291 | } | |
292 | ||
2624d5fa MB |
293 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) |
294 | { | |
00200107 | 295 | struct dentry *debugfs_card_root = codec->component.card->debugfs_card_root; |
d6ce4cf3 | 296 | |
e73f3de5 | 297 | codec->debugfs_codec_root = soc_debugfs_create_dir(debugfs_card_root, |
211bcc6c MB |
298 | "codec:%s", |
299 | codec->component.name); | |
2624d5fa | 300 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
301 | dev_warn(codec->dev, |
302 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
303 | return; |
304 | } | |
305 | ||
aaee8ef1 MB |
306 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
307 | &codec->cache_sync); | |
308 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
309 | &codec->cache_only); | |
310 | ||
2624d5fa MB |
311 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
312 | codec->debugfs_codec_root, | |
313 | codec, &codec_reg_fops); | |
314 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
315 | dev_warn(codec->dev, |
316 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 317 | |
8eecaf62 | 318 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
319 | } |
320 | ||
321 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
322 | { | |
323 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
324 | } | |
325 | ||
731f1ab2 SG |
326 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
327 | { | |
00200107 | 328 | struct dentry *debugfs_card_root = platform->component.card->debugfs_card_root; |
731f1ab2 | 329 | |
e73f3de5 | 330 | platform->debugfs_platform_root = soc_debugfs_create_dir(debugfs_card_root, |
211bcc6c MB |
331 | "platform:%s", |
332 | platform->component.name); | |
731f1ab2 SG |
333 | if (!platform->debugfs_platform_root) { |
334 | dev_warn(platform->dev, | |
f110bfc7 | 335 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
336 | return; |
337 | } | |
338 | ||
bc9af9fa | 339 | snd_soc_dapm_debugfs_init(&platform->component.dapm, |
731f1ab2 SG |
340 | platform->debugfs_platform_root); |
341 | } | |
342 | ||
343 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
344 | { | |
345 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
346 | } | |
347 | ||
c3c5a19a MB |
348 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
349 | size_t count, loff_t *ppos) | |
350 | { | |
351 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 352 | ssize_t len, ret = 0; |
c3c5a19a MB |
353 | struct snd_soc_codec *codec; |
354 | ||
355 | if (!buf) | |
356 | return -ENOMEM; | |
357 | ||
2b194f9d MB |
358 | list_for_each_entry(codec, &codec_list, list) { |
359 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 360 | codec->component.name); |
2b194f9d MB |
361 | if (len >= 0) |
362 | ret += len; | |
363 | if (ret > PAGE_SIZE) { | |
364 | ret = PAGE_SIZE; | |
365 | break; | |
366 | } | |
367 | } | |
c3c5a19a MB |
368 | |
369 | if (ret >= 0) | |
370 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
371 | ||
372 | kfree(buf); | |
373 | ||
374 | return ret; | |
375 | } | |
376 | ||
377 | static const struct file_operations codec_list_fops = { | |
378 | .read = codec_list_read_file, | |
379 | .llseek = default_llseek,/* read accesses f_pos */ | |
380 | }; | |
381 | ||
f3208780 MB |
382 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
383 | size_t count, loff_t *ppos) | |
384 | { | |
385 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 386 | ssize_t len, ret = 0; |
1438c2f6 | 387 | struct snd_soc_component *component; |
f3208780 MB |
388 | struct snd_soc_dai *dai; |
389 | ||
390 | if (!buf) | |
391 | return -ENOMEM; | |
392 | ||
1438c2f6 LPC |
393 | list_for_each_entry(component, &component_list, list) { |
394 | list_for_each_entry(dai, &component->dai_list, list) { | |
395 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
396 | dai->name); | |
397 | if (len >= 0) | |
398 | ret += len; | |
399 | if (ret > PAGE_SIZE) { | |
400 | ret = PAGE_SIZE; | |
401 | break; | |
402 | } | |
2b194f9d MB |
403 | } |
404 | } | |
f3208780 | 405 | |
2b194f9d | 406 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
407 | |
408 | kfree(buf); | |
409 | ||
410 | return ret; | |
411 | } | |
412 | ||
413 | static const struct file_operations dai_list_fops = { | |
414 | .read = dai_list_read_file, | |
415 | .llseek = default_llseek,/* read accesses f_pos */ | |
416 | }; | |
417 | ||
19c7ac27 MB |
418 | static ssize_t platform_list_read_file(struct file *file, |
419 | char __user *user_buf, | |
420 | size_t count, loff_t *ppos) | |
421 | { | |
422 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 423 | ssize_t len, ret = 0; |
19c7ac27 MB |
424 | struct snd_soc_platform *platform; |
425 | ||
426 | if (!buf) | |
427 | return -ENOMEM; | |
428 | ||
2b194f9d MB |
429 | list_for_each_entry(platform, &platform_list, list) { |
430 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 431 | platform->component.name); |
2b194f9d MB |
432 | if (len >= 0) |
433 | ret += len; | |
434 | if (ret > PAGE_SIZE) { | |
435 | ret = PAGE_SIZE; | |
436 | break; | |
437 | } | |
438 | } | |
19c7ac27 | 439 | |
2b194f9d | 440 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
441 | |
442 | kfree(buf); | |
443 | ||
444 | return ret; | |
445 | } | |
446 | ||
447 | static const struct file_operations platform_list_fops = { | |
448 | .read = platform_list_read_file, | |
449 | .llseek = default_llseek,/* read accesses f_pos */ | |
450 | }; | |
451 | ||
a6052154 JN |
452 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
453 | { | |
454 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 455 | snd_soc_debugfs_root); |
3a45b867 | 456 | if (!card->debugfs_card_root) { |
a6052154 | 457 | dev_warn(card->dev, |
7c08be84 | 458 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
459 | return; |
460 | } | |
461 | ||
462 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
463 | card->debugfs_card_root, | |
464 | &card->pop_time); | |
465 | if (!card->debugfs_pop_time) | |
466 | dev_warn(card->dev, | |
f110bfc7 | 467 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
468 | } |
469 | ||
470 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
471 | { | |
472 | debugfs_remove_recursive(card->debugfs_card_root); | |
473 | } | |
474 | ||
2624d5fa MB |
475 | #else |
476 | ||
477 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
478 | { | |
479 | } | |
480 | ||
481 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
482 | { | |
483 | } | |
b95fccbc | 484 | |
731f1ab2 SG |
485 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
486 | { | |
487 | } | |
488 | ||
489 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
490 | { | |
491 | } | |
492 | ||
b95fccbc AL |
493 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
494 | { | |
495 | } | |
496 | ||
497 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
498 | { | |
499 | } | |
2624d5fa MB |
500 | #endif |
501 | ||
47c88fff LG |
502 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
503 | const char *dai_link, int stream) | |
504 | { | |
505 | int i; | |
506 | ||
507 | for (i = 0; i < card->num_links; i++) { | |
508 | if (card->rtd[i].dai_link->no_pcm && | |
509 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
510 | return card->rtd[i].pcm->streams[stream].substream; | |
511 | } | |
f110bfc7 | 512 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
513 | return NULL; |
514 | } | |
515 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
516 | ||
517 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
518 | const char *dai_link) | |
519 | { | |
520 | int i; | |
521 | ||
522 | for (i = 0; i < card->num_links; i++) { | |
523 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
524 | return &card->rtd[i]; | |
525 | } | |
f110bfc7 | 526 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
527 | return NULL; |
528 | } | |
529 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
530 | ||
db2a4165 FM |
531 | #ifdef CONFIG_SND_SOC_AC97_BUS |
532 | /* unregister ac97 codec */ | |
533 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
534 | { | |
535 | if (codec->ac97->dev.bus) | |
536 | device_unregister(&codec->ac97->dev); | |
537 | return 0; | |
538 | } | |
539 | ||
540 | /* stop no dev release warning */ | |
541 | static void soc_ac97_device_release(struct device *dev){} | |
542 | ||
543 | /* register ac97 codec to bus */ | |
544 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
545 | { | |
546 | int err; | |
547 | ||
548 | codec->ac97->dev.bus = &ac97_bus_type; | |
00200107 | 549 | codec->ac97->dev.parent = codec->component.card->dev; |
db2a4165 FM |
550 | codec->ac97->dev.release = soc_ac97_device_release; |
551 | ||
bb072bf0 | 552 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
00200107 LPC |
553 | codec->component.card->snd_card->number, 0, |
554 | codec->component.name); | |
db2a4165 FM |
555 | err = device_register(&codec->ac97->dev); |
556 | if (err < 0) { | |
f110bfc7 | 557 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
558 | codec->ac97->dev.bus = NULL; |
559 | return err; | |
560 | } | |
561 | return 0; | |
562 | } | |
563 | #endif | |
564 | ||
9d58a077 RF |
565 | static void codec2codec_close_delayed_work(struct work_struct *work) |
566 | { | |
567 | /* Currently nothing to do for c2c links | |
568 | * Since c2c links are internal nodes in the DAPM graph and | |
569 | * don't interface with the outside world or application layer | |
570 | * we don't have to do any special handling on close. | |
571 | */ | |
572 | } | |
573 | ||
6f8ab4ac | 574 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 575 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 576 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 577 | { |
6f8ab4ac | 578 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 579 | struct snd_soc_codec *codec; |
88bd870f | 580 | int i, j; |
db2a4165 | 581 | |
e3509ff0 DM |
582 | /* If the initialization of this soc device failed, there is no codec |
583 | * associated with it. Just bail out in this case. | |
584 | */ | |
f0fba2ad | 585 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
586 | return 0; |
587 | ||
6ed25978 AG |
588 | /* Due to the resume being scheduled into a workqueue we could |
589 | * suspend before that's finished - wait for it to complete. | |
590 | */ | |
f0fba2ad LG |
591 | snd_power_lock(card->snd_card); |
592 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
593 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
594 | |
595 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 596 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 597 | |
a00f90f9 | 598 | /* mute any active DACs */ |
f0fba2ad | 599 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 600 | |
f0fba2ad | 601 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
602 | continue; |
603 | ||
88bd870f BC |
604 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
605 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
606 | struct snd_soc_dai_driver *drv = dai->driver; | |
607 | ||
608 | if (drv->ops->digital_mute && dai->playback_active) | |
609 | drv->ops->digital_mute(dai, 1); | |
610 | } | |
db2a4165 FM |
611 | } |
612 | ||
4ccab3e7 | 613 | /* suspend all pcms */ |
f0fba2ad LG |
614 | for (i = 0; i < card->num_rtd; i++) { |
615 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
616 | continue; |
617 | ||
f0fba2ad | 618 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 619 | } |
4ccab3e7 | 620 | |
87506549 | 621 | if (card->suspend_pre) |
70b2ac12 | 622 | card->suspend_pre(card); |
db2a4165 | 623 | |
f0fba2ad LG |
624 | for (i = 0; i < card->num_rtd; i++) { |
625 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
626 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 627 | |
f0fba2ad | 628 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
629 | continue; |
630 | ||
f0fba2ad LG |
631 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
632 | cpu_dai->driver->suspend(cpu_dai); | |
633 | if (platform->driver->suspend && !platform->suspended) { | |
634 | platform->driver->suspend(cpu_dai); | |
635 | platform->suspended = 1; | |
636 | } | |
db2a4165 FM |
637 | } |
638 | ||
639 | /* close any waiting streams and save state */ | |
f0fba2ad | 640 | for (i = 0; i < card->num_rtd; i++) { |
88bd870f | 641 | struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais; |
43829731 | 642 | flush_delayed_work(&card->rtd[i].delayed_work); |
88bd870f BC |
643 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
644 | codec_dais[j]->codec->dapm.suspend_bias_level = | |
645 | codec_dais[j]->codec->dapm.bias_level; | |
646 | } | |
f0fba2ad | 647 | } |
db2a4165 | 648 | |
f0fba2ad | 649 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 650 | |
f0fba2ad | 651 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
652 | continue; |
653 | ||
7bd3a6f3 MB |
654 | snd_soc_dapm_stream_event(&card->rtd[i], |
655 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 656 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 657 | |
7bd3a6f3 MB |
658 | snd_soc_dapm_stream_event(&card->rtd[i], |
659 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 660 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
661 | } |
662 | ||
e2d32ff6 MB |
663 | /* Recheck all analogue paths too */ |
664 | dapm_mark_io_dirty(&card->dapm); | |
665 | snd_soc_dapm_sync(&card->dapm); | |
666 | ||
f0fba2ad | 667 | /* suspend all CODECs */ |
2eea392d | 668 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
669 | /* If there are paths active then the CODEC will be held with |
670 | * bias _ON and should not be suspended. */ | |
671 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 672 | switch (codec->dapm.bias_level) { |
f0fba2ad | 673 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
674 | /* |
675 | * If the CODEC is capable of idle | |
676 | * bias off then being in STANDBY | |
677 | * means it's doing something, | |
678 | * otherwise fall through. | |
679 | */ | |
680 | if (codec->dapm.idle_bias_off) { | |
681 | dev_dbg(codec->dev, | |
10e8aa9a | 682 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
683 | break; |
684 | } | |
f0fba2ad | 685 | case SND_SOC_BIAS_OFF: |
84b315ee | 686 | codec->driver->suspend(codec); |
f0fba2ad | 687 | codec->suspended = 1; |
7be4ba24 | 688 | codec->cache_sync = 1; |
e2c330b9 LPC |
689 | if (codec->component.regmap) |
690 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
691 | /* deactivate pins to sleep state */ |
692 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
693 | break; |
694 | default: | |
10e8aa9a MM |
695 | dev_dbg(codec->dev, |
696 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
697 | break; |
698 | } | |
1547aba9 MB |
699 | } |
700 | } | |
db2a4165 | 701 | |
f0fba2ad LG |
702 | for (i = 0; i < card->num_rtd; i++) { |
703 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 704 | |
f0fba2ad | 705 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
706 | continue; |
707 | ||
f0fba2ad LG |
708 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
709 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
710 | |
711 | /* deactivate pins to sleep state */ | |
712 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
713 | } |
714 | ||
87506549 | 715 | if (card->suspend_post) |
70b2ac12 | 716 | card->suspend_post(card); |
db2a4165 FM |
717 | |
718 | return 0; | |
719 | } | |
6f8ab4ac | 720 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 721 | |
6ed25978 AG |
722 | /* deferred resume work, so resume can complete before we finished |
723 | * setting our codec back up, which can be very slow on I2C | |
724 | */ | |
725 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 726 | { |
f0fba2ad LG |
727 | struct snd_soc_card *card = |
728 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 729 | struct snd_soc_codec *codec; |
88bd870f | 730 | int i, j; |
db2a4165 | 731 | |
6ed25978 AG |
732 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
733 | * so userspace apps are blocked from touching us | |
734 | */ | |
735 | ||
f110bfc7 | 736 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 737 | |
9949788b | 738 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 739 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 740 | |
87506549 | 741 | if (card->resume_pre) |
70b2ac12 | 742 | card->resume_pre(card); |
db2a4165 | 743 | |
f0fba2ad LG |
744 | /* resume AC97 DAIs */ |
745 | for (i = 0; i < card->num_rtd; i++) { | |
746 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 747 | |
f0fba2ad | 748 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
749 | continue; |
750 | ||
f0fba2ad LG |
751 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
752 | cpu_dai->driver->resume(cpu_dai); | |
753 | } | |
754 | ||
2eea392d | 755 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
756 | /* If the CODEC was idle over suspend then it will have been |
757 | * left with bias OFF or STANDBY and suspended so we must now | |
758 | * resume. Otherwise the suspend was suppressed. | |
759 | */ | |
760 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 761 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
762 | case SND_SOC_BIAS_STANDBY: |
763 | case SND_SOC_BIAS_OFF: | |
764 | codec->driver->resume(codec); | |
765 | codec->suspended = 0; | |
766 | break; | |
767 | default: | |
10e8aa9a MM |
768 | dev_dbg(codec->dev, |
769 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
770 | break; |
771 | } | |
1547aba9 MB |
772 | } |
773 | } | |
db2a4165 | 774 | |
f0fba2ad | 775 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 776 | |
f0fba2ad | 777 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
778 | continue; |
779 | ||
7bd3a6f3 | 780 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 781 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 782 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 783 | |
7bd3a6f3 | 784 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 785 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 786 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
787 | } |
788 | ||
3ff3f64b | 789 | /* unmute any active DACs */ |
f0fba2ad | 790 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 791 | |
f0fba2ad | 792 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
793 | continue; |
794 | ||
88bd870f BC |
795 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
796 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
797 | struct snd_soc_dai_driver *drv = dai->driver; | |
798 | ||
799 | if (drv->ops->digital_mute && dai->playback_active) | |
800 | drv->ops->digital_mute(dai, 0); | |
801 | } | |
db2a4165 FM |
802 | } |
803 | ||
f0fba2ad LG |
804 | for (i = 0; i < card->num_rtd; i++) { |
805 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
806 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 807 | |
f0fba2ad | 808 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
809 | continue; |
810 | ||
f0fba2ad LG |
811 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
812 | cpu_dai->driver->resume(cpu_dai); | |
813 | if (platform->driver->resume && platform->suspended) { | |
814 | platform->driver->resume(cpu_dai); | |
815 | platform->suspended = 0; | |
816 | } | |
db2a4165 FM |
817 | } |
818 | ||
87506549 | 819 | if (card->resume_post) |
70b2ac12 | 820 | card->resume_post(card); |
db2a4165 | 821 | |
f110bfc7 | 822 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
823 | |
824 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 825 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
826 | |
827 | /* Recheck all analogue paths too */ | |
828 | dapm_mark_io_dirty(&card->dapm); | |
829 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
830 | } |
831 | ||
832 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 833 | int snd_soc_resume(struct device *dev) |
6ed25978 | 834 | { |
6f8ab4ac | 835 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 836 | int i, ac97_control = 0; |
b9dd94a8 | 837 | |
5ff1ddf2 EM |
838 | /* If the initialization of this soc device failed, there is no codec |
839 | * associated with it. Just bail out in this case. | |
840 | */ | |
841 | if (list_empty(&card->codec_dev_list)) | |
842 | return 0; | |
843 | ||
988e8cc4 NC |
844 | /* activate pins from sleep state */ |
845 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
846 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
847 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
848 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
849 | int j; | |
850 | ||
988e8cc4 NC |
851 | if (cpu_dai->active) |
852 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
88bd870f BC |
853 | |
854 | for (j = 0; j < rtd->num_codecs; j++) { | |
855 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
856 | if (codec_dai->active) | |
857 | pinctrl_pm_select_default_state(codec_dai->dev); | |
858 | } | |
988e8cc4 NC |
859 | } |
860 | ||
64ab9baa MB |
861 | /* AC97 devices might have other drivers hanging off them so |
862 | * need to resume immediately. Other drivers don't have that | |
863 | * problem and may take a substantial amount of time to resume | |
864 | * due to I/O costs and anti-pop so handle them out of line. | |
865 | */ | |
f0fba2ad LG |
866 | for (i = 0; i < card->num_rtd; i++) { |
867 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
868 | ac97_control |= cpu_dai->driver->ac97_control; |
869 | } | |
870 | if (ac97_control) { | |
f110bfc7 | 871 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
872 | soc_resume_deferred(&card->deferred_resume_work); |
873 | } else { | |
f110bfc7 | 874 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 875 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 876 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 877 | } |
6ed25978 | 878 | |
db2a4165 FM |
879 | return 0; |
880 | } | |
6f8ab4ac | 881 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 882 | #else |
6f8ab4ac MB |
883 | #define snd_soc_suspend NULL |
884 | #define snd_soc_resume NULL | |
db2a4165 FM |
885 | #endif |
886 | ||
85e7652d | 887 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
888 | }; |
889 | ||
88bd870f BC |
890 | static struct snd_soc_codec *soc_find_codec( |
891 | const struct device_node *codec_of_node, | |
892 | const char *codec_name) | |
12023a9a MLC |
893 | { |
894 | struct snd_soc_codec *codec; | |
895 | ||
896 | list_for_each_entry(codec, &codec_list, list) { | |
897 | if (codec_of_node) { | |
898 | if (codec->dev->of_node != codec_of_node) | |
899 | continue; | |
900 | } else { | |
f4333203 | 901 | if (strcmp(codec->component.name, codec_name)) |
12023a9a MLC |
902 | continue; |
903 | } | |
904 | ||
905 | return codec; | |
906 | } | |
907 | ||
908 | return NULL; | |
909 | } | |
910 | ||
911 | static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec, | |
912 | const char *codec_dai_name) | |
913 | { | |
914 | struct snd_soc_dai *codec_dai; | |
915 | ||
916 | list_for_each_entry(codec_dai, &codec->component.dai_list, list) { | |
917 | if (!strcmp(codec_dai->name, codec_dai_name)) { | |
918 | return codec_dai; | |
919 | } | |
920 | } | |
921 | ||
922 | return NULL; | |
923 | } | |
924 | ||
f0fba2ad | 925 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 926 | { |
f0fba2ad LG |
927 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
928 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1438c2f6 | 929 | struct snd_soc_component *component; |
88bd870f BC |
930 | struct snd_soc_dai_link_component *codecs = dai_link->codecs; |
931 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
435c5e25 | 932 | struct snd_soc_platform *platform; |
12023a9a | 933 | struct snd_soc_dai *cpu_dai; |
848dd8be | 934 | const char *platform_name; |
88bd870f | 935 | int i; |
435c5e25 | 936 | |
f110bfc7 | 937 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 938 | |
b19e6e7b | 939 | /* Find CPU DAI from registered DAIs*/ |
1438c2f6 | 940 | list_for_each_entry(component, &component_list, list) { |
bc92657a | 941 | if (dai_link->cpu_of_node && |
1438c2f6 | 942 | component->dev->of_node != dai_link->cpu_of_node) |
bc92657a SW |
943 | continue; |
944 | if (dai_link->cpu_name && | |
1438c2f6 | 945 | strcmp(dev_name(component->dev), dai_link->cpu_name)) |
bc92657a | 946 | continue; |
1438c2f6 LPC |
947 | list_for_each_entry(cpu_dai, &component->dai_list, list) { |
948 | if (dai_link->cpu_dai_name && | |
949 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
950 | continue; | |
2610ab77 | 951 | |
1438c2f6 LPC |
952 | rtd->cpu_dai = cpu_dai; |
953 | } | |
435c5e25 | 954 | } |
6308419a | 955 | |
b19e6e7b | 956 | if (!rtd->cpu_dai) { |
f110bfc7 | 957 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
958 | dai_link->cpu_dai_name); |
959 | return -EPROBE_DEFER; | |
f0fba2ad LG |
960 | } |
961 | ||
88bd870f | 962 | rtd->num_codecs = dai_link->num_codecs; |
848dd8be | 963 | |
88bd870f BC |
964 | /* Find CODEC from registered CODECs */ |
965 | for (i = 0; i < rtd->num_codecs; i++) { | |
966 | struct snd_soc_codec *codec; | |
967 | codec = soc_find_codec(codecs[i].of_node, codecs[i].name); | |
968 | if (!codec) { | |
969 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", | |
970 | codecs[i].name); | |
971 | return -EPROBE_DEFER; | |
972 | } | |
973 | ||
974 | codec_dais[i] = soc_find_codec_dai(codec, codecs[i].dai_name); | |
975 | if (!codec_dais[i]) { | |
976 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
977 | codecs[i].dai_name); | |
978 | return -EPROBE_DEFER; | |
979 | } | |
12023a9a MLC |
980 | } |
981 | ||
88bd870f BC |
982 | /* Single codec links expect codec and codec_dai in runtime data */ |
983 | rtd->codec_dai = codec_dais[0]; | |
984 | rtd->codec = rtd->codec_dai->codec; | |
985 | ||
848dd8be MB |
986 | /* if there's no platform we match on the empty platform */ |
987 | platform_name = dai_link->platform_name; | |
5a504963 | 988 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
989 | platform_name = "snd-soc-dummy"; |
990 | ||
b19e6e7b | 991 | /* find one from the set of registered platforms */ |
f0fba2ad | 992 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
993 | if (dai_link->platform_of_node) { |
994 | if (platform->dev->of_node != | |
995 | dai_link->platform_of_node) | |
996 | continue; | |
997 | } else { | |
f4333203 | 998 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
999 | continue; |
1000 | } | |
2610ab77 SW |
1001 | |
1002 | rtd->platform = platform; | |
02a06d30 | 1003 | } |
b19e6e7b | 1004 | if (!rtd->platform) { |
f110bfc7 | 1005 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 1006 | dai_link->platform_name); |
b19e6e7b | 1007 | return -EPROBE_DEFER; |
f0fba2ad | 1008 | } |
b19e6e7b MB |
1009 | |
1010 | card->num_rtd++; | |
1011 | ||
1012 | return 0; | |
f0fba2ad LG |
1013 | } |
1014 | ||
d12cd198 SW |
1015 | static int soc_remove_platform(struct snd_soc_platform *platform) |
1016 | { | |
1017 | int ret; | |
1018 | ||
1019 | if (platform->driver->remove) { | |
1020 | ret = platform->driver->remove(platform); | |
1021 | if (ret < 0) | |
f110bfc7 LG |
1022 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
1023 | ret); | |
d12cd198 SW |
1024 | } |
1025 | ||
1026 | /* Make sure all DAPM widgets are freed */ | |
bc9af9fa | 1027 | snd_soc_dapm_free(&platform->component.dapm); |
d12cd198 SW |
1028 | |
1029 | soc_cleanup_platform_debugfs(platform); | |
1030 | platform->probed = 0; | |
d12cd198 SW |
1031 | module_put(platform->dev->driver->owner); |
1032 | ||
1033 | return 0; | |
1034 | } | |
1035 | ||
589c3563 JN |
1036 | static void soc_remove_codec(struct snd_soc_codec *codec) |
1037 | { | |
1038 | int err; | |
1039 | ||
1040 | if (codec->driver->remove) { | |
1041 | err = codec->driver->remove(codec); | |
1042 | if (err < 0) | |
f110bfc7 | 1043 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
1044 | } |
1045 | ||
1046 | /* Make sure all DAPM widgets are freed */ | |
1047 | snd_soc_dapm_free(&codec->dapm); | |
1048 | ||
1049 | soc_cleanup_codec_debugfs(codec); | |
1050 | codec->probed = 0; | |
1051 | list_del(&codec->card_list); | |
1052 | module_put(codec->dev->driver->owner); | |
1053 | } | |
1054 | ||
b0aa88af | 1055 | static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order) |
f0fba2ad | 1056 | { |
f0fba2ad LG |
1057 | int err; |
1058 | ||
0168bf0d LG |
1059 | if (codec_dai && codec_dai->probed && |
1060 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1061 | if (codec_dai->driver->remove) { |
1062 | err = codec_dai->driver->remove(codec_dai); | |
1063 | if (err < 0) | |
f110bfc7 LG |
1064 | dev_err(codec_dai->dev, |
1065 | "ASoC: failed to remove %s: %d\n", | |
1066 | codec_dai->name, err); | |
6b05eda6 | 1067 | } |
f0fba2ad | 1068 | codec_dai->probed = 0; |
f0fba2ad | 1069 | } |
b0aa88af MLC |
1070 | } |
1071 | ||
1072 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
1073 | { | |
1074 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
88bd870f BC |
1075 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1076 | int i, err; | |
b0aa88af MLC |
1077 | |
1078 | /* unregister the rtd device */ | |
1079 | if (rtd->dev_registered) { | |
1080 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
1081 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1082 | device_unregister(rtd->dev); | |
1083 | rtd->dev_registered = 0; | |
1084 | } | |
1085 | ||
1086 | /* remove the CODEC DAI */ | |
88bd870f BC |
1087 | for (i = 0; i < rtd->num_codecs; i++) |
1088 | soc_remove_codec_dai(rtd->codec_dais[i], order); | |
6b05eda6 | 1089 | |
f0fba2ad | 1090 | /* remove the cpu_dai */ |
0168bf0d LG |
1091 | if (cpu_dai && cpu_dai->probed && |
1092 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1093 | if (cpu_dai->driver->remove) { |
1094 | err = cpu_dai->driver->remove(cpu_dai); | |
1095 | if (err < 0) | |
f110bfc7 LG |
1096 | dev_err(cpu_dai->dev, |
1097 | "ASoC: failed to remove %s: %d\n", | |
1098 | cpu_dai->name, err); | |
db2a4165 | 1099 | } |
f0fba2ad | 1100 | cpu_dai->probed = 0; |
9420d97b | 1101 | if (!cpu_dai->codec) |
a9db7dbe | 1102 | module_put(cpu_dai->dev->driver->owner); |
db2a4165 | 1103 | } |
f0fba2ad | 1104 | } |
db2a4165 | 1105 | |
62ae68fa SW |
1106 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1107 | int order) | |
1108 | { | |
1109 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1110 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa SW |
1111 | struct snd_soc_platform *platform = rtd->platform; |
1112 | struct snd_soc_codec *codec; | |
88bd870f | 1113 | int i; |
62ae68fa SW |
1114 | |
1115 | /* remove the platform */ | |
1116 | if (platform && platform->probed && | |
1117 | platform->driver->remove_order == order) { | |
1118 | soc_remove_platform(platform); | |
1119 | } | |
1120 | ||
1121 | /* remove the CODEC-side CODEC */ | |
88bd870f BC |
1122 | for (i = 0; i < rtd->num_codecs; i++) { |
1123 | codec = rtd->codec_dais[i]->codec; | |
62ae68fa SW |
1124 | if (codec && codec->probed && |
1125 | codec->driver->remove_order == order) | |
1126 | soc_remove_codec(codec); | |
1127 | } | |
1128 | ||
1129 | /* remove any CPU-side CODEC */ | |
1130 | if (cpu_dai) { | |
1131 | codec = cpu_dai->codec; | |
1132 | if (codec && codec->probed && | |
1133 | codec->driver->remove_order == order) | |
1134 | soc_remove_codec(codec); | |
1135 | } | |
1136 | } | |
1137 | ||
0671fd8e KM |
1138 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1139 | { | |
0168bf0d | 1140 | int dai, order; |
0671fd8e | 1141 | |
0168bf0d LG |
1142 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1143 | order++) { | |
1144 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1145 | soc_remove_link_dais(card, dai, order); |
1146 | } | |
1147 | ||
1148 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1149 | order++) { | |
1150 | for (dai = 0; dai < card->num_rtd; dai++) | |
1151 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1152 | } |
62ae68fa | 1153 | |
0671fd8e KM |
1154 | card->num_rtd = 0; |
1155 | } | |
1156 | ||
ead9b919 | 1157 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1158 | struct snd_soc_component *component) |
ead9b919 JN |
1159 | { |
1160 | int i; | |
1161 | ||
ff819b83 | 1162 | if (card->codec_conf == NULL) |
ead9b919 JN |
1163 | return; |
1164 | ||
ff819b83 DP |
1165 | for (i = 0; i < card->num_configs; i++) { |
1166 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1167 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1168 | continue; |
94f99c87 | 1169 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1170 | continue; |
94f99c87 | 1171 | component->name_prefix = map->name_prefix; |
3ca041ed | 1172 | break; |
ead9b919 JN |
1173 | } |
1174 | } | |
1175 | ||
589c3563 JN |
1176 | static int soc_probe_codec(struct snd_soc_card *card, |
1177 | struct snd_soc_codec *codec) | |
1178 | { | |
1179 | int ret = 0; | |
89b95ac0 | 1180 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1181 | struct snd_soc_dai *dai; |
589c3563 | 1182 | |
00200107 | 1183 | codec->component.card = card; |
589c3563 | 1184 | codec->dapm.card = card; |
94f99c87 | 1185 | soc_set_name_prefix(card, &codec->component); |
589c3563 | 1186 | |
70d29331 JN |
1187 | if (!try_module_get(codec->dev->driver->owner)) |
1188 | return -ENODEV; | |
1189 | ||
d5d1e0be LPC |
1190 | soc_init_codec_debugfs(codec); |
1191 | ||
b318ad50 NP |
1192 | if (driver->dapm_widgets) { |
1193 | ret = snd_soc_dapm_new_controls(&codec->dapm, | |
1194 | driver->dapm_widgets, | |
1195 | driver->num_dapm_widgets); | |
1196 | ||
1197 | if (ret != 0) { | |
1198 | dev_err(codec->dev, | |
1199 | "Failed to create new controls %d\n", ret); | |
1200 | goto err_probe; | |
1201 | } | |
1202 | } | |
77530150 | 1203 | |
888df395 | 1204 | /* Create DAPM widgets for each DAI stream */ |
261edc70 NP |
1205 | list_for_each_entry(dai, &codec->component.dai_list, list) { |
1206 | ret = snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1207 | ||
1208 | if (ret != 0) { | |
1209 | dev_err(codec->dev, | |
1210 | "Failed to create DAI widgets %d\n", ret); | |
1211 | goto err_probe; | |
1212 | } | |
1213 | } | |
888df395 | 1214 | |
33c5f969 MB |
1215 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1216 | ||
89b95ac0 MB |
1217 | if (driver->probe) { |
1218 | ret = driver->probe(codec); | |
589c3563 JN |
1219 | if (ret < 0) { |
1220 | dev_err(codec->dev, | |
f110bfc7 | 1221 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1222 | goto err_probe; |
589c3563 | 1223 | } |
ff541f4b CL |
1224 | WARN(codec->dapm.idle_bias_off && |
1225 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a | 1226 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
f4333203 | 1227 | codec->component.name); |
589c3563 JN |
1228 | } |
1229 | ||
b7af1daf | 1230 | if (driver->controls) |
022658be | 1231 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1232 | driver->num_controls); |
89b95ac0 MB |
1233 | if (driver->dapm_routes) |
1234 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1235 | driver->num_dapm_routes); | |
1236 | ||
589c3563 JN |
1237 | /* mark codec as probed and add to card codec list */ |
1238 | codec->probed = 1; | |
1239 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1240 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1241 | |
70d29331 JN |
1242 | return 0; |
1243 | ||
1244 | err_probe: | |
d5d1e0be | 1245 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1246 | module_put(codec->dev->driver->owner); |
1247 | ||
589c3563 JN |
1248 | return ret; |
1249 | } | |
1250 | ||
956245e9 LG |
1251 | static int soc_probe_platform(struct snd_soc_card *card, |
1252 | struct snd_soc_platform *platform) | |
1253 | { | |
1254 | int ret = 0; | |
1255 | const struct snd_soc_platform_driver *driver = platform->driver; | |
1438c2f6 | 1256 | struct snd_soc_component *component; |
be09ad90 | 1257 | struct snd_soc_dai *dai; |
956245e9 | 1258 | |
00200107 | 1259 | platform->component.card = card; |
bc9af9fa | 1260 | platform->component.dapm.card = card; |
956245e9 LG |
1261 | |
1262 | if (!try_module_get(platform->dev->driver->owner)) | |
1263 | return -ENODEV; | |
1264 | ||
731f1ab2 SG |
1265 | soc_init_platform_debugfs(platform); |
1266 | ||
cb2cf612 | 1267 | if (driver->dapm_widgets) |
bc9af9fa | 1268 | snd_soc_dapm_new_controls(&platform->component.dapm, |
cb2cf612 LG |
1269 | driver->dapm_widgets, driver->num_dapm_widgets); |
1270 | ||
be09ad90 | 1271 | /* Create DAPM widgets for each DAI stream */ |
1438c2f6 LPC |
1272 | list_for_each_entry(component, &component_list, list) { |
1273 | if (component->dev != platform->dev) | |
be09ad90 | 1274 | continue; |
1438c2f6 | 1275 | list_for_each_entry(dai, &component->dai_list, list) |
bc9af9fa LPC |
1276 | snd_soc_dapm_new_dai_widgets(&platform->component.dapm, |
1277 | dai); | |
be09ad90 LG |
1278 | } |
1279 | ||
bc9af9fa | 1280 | platform->component.dapm.idle_bias_off = 1; |
3fec6b6d | 1281 | |
956245e9 LG |
1282 | if (driver->probe) { |
1283 | ret = driver->probe(platform); | |
1284 | if (ret < 0) { | |
1285 | dev_err(platform->dev, | |
f110bfc7 | 1286 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1287 | goto err_probe; |
1288 | } | |
1289 | } | |
1290 | ||
cb2cf612 LG |
1291 | if (driver->controls) |
1292 | snd_soc_add_platform_controls(platform, driver->controls, | |
1293 | driver->num_controls); | |
1294 | if (driver->dapm_routes) | |
bc9af9fa LPC |
1295 | snd_soc_dapm_add_routes(&platform->component.dapm, |
1296 | driver->dapm_routes, driver->num_dapm_routes); | |
cb2cf612 | 1297 | |
956245e9 LG |
1298 | /* mark platform as probed and add to card platform list */ |
1299 | platform->probed = 1; | |
bc9af9fa | 1300 | list_add(&platform->component.dapm.list, &card->dapm_list); |
956245e9 LG |
1301 | |
1302 | return 0; | |
1303 | ||
1304 | err_probe: | |
02db1103 | 1305 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1306 | module_put(platform->dev->driver->owner); |
1307 | ||
1308 | return ret; | |
1309 | } | |
1310 | ||
36ae1a96 MB |
1311 | static void rtd_release(struct device *dev) |
1312 | { | |
1313 | kfree(dev); | |
1314 | } | |
f0fba2ad | 1315 | |
5f3484ac LPC |
1316 | static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, |
1317 | const char *name) | |
503ae5e0 | 1318 | { |
589c3563 JN |
1319 | int ret = 0; |
1320 | ||
589c3563 | 1321 | /* register the rtd device */ |
36ae1a96 MB |
1322 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1323 | if (!rtd->dev) | |
1324 | return -ENOMEM; | |
1325 | device_initialize(rtd->dev); | |
5f3484ac | 1326 | rtd->dev->parent = rtd->card->dev; |
36ae1a96 MB |
1327 | rtd->dev->release = rtd_release; |
1328 | rtd->dev->init_name = name; | |
1329 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1330 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1331 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1332 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1333 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1334 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1335 | ret = device_add(rtd->dev); |
589c3563 | 1336 | if (ret < 0) { |
865df9cb CL |
1337 | /* calling put_device() here to free the rtd->dev */ |
1338 | put_device(rtd->dev); | |
5f3484ac | 1339 | dev_err(rtd->card->dev, |
f110bfc7 | 1340 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1341 | return ret; |
1342 | } | |
1343 | rtd->dev_registered = 1; | |
1344 | ||
1345 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1346 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 | 1347 | if (ret < 0) |
44c69bb1 | 1348 | dev_err(rtd->dev, |
f110bfc7 | 1349 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1350 | |
1351 | /* add codec sysfs entries */ | |
36ae1a96 | 1352 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 | 1353 | if (ret < 0) |
44c69bb1 | 1354 | dev_err(rtd->dev, |
f110bfc7 | 1355 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 JN |
1356 | |
1357 | return 0; | |
1358 | } | |
1359 | ||
62ae68fa SW |
1360 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1361 | int order) | |
1362 | { | |
1363 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1364 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa | 1365 | struct snd_soc_platform *platform = rtd->platform; |
88bd870f | 1366 | int i, ret; |
62ae68fa SW |
1367 | |
1368 | /* probe the CPU-side component, if it is a CODEC */ | |
1369 | if (cpu_dai->codec && | |
1370 | !cpu_dai->codec->probed && | |
1371 | cpu_dai->codec->driver->probe_order == order) { | |
1372 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1373 | if (ret < 0) | |
1374 | return ret; | |
1375 | } | |
1376 | ||
88bd870f BC |
1377 | /* probe the CODEC-side components */ |
1378 | for (i = 0; i < rtd->num_codecs; i++) { | |
1379 | if (!rtd->codec_dais[i]->codec->probed && | |
1380 | rtd->codec_dais[i]->codec->driver->probe_order == order) { | |
1381 | ret = soc_probe_codec(card, rtd->codec_dais[i]->codec); | |
1382 | if (ret < 0) | |
1383 | return ret; | |
1384 | } | |
62ae68fa SW |
1385 | } |
1386 | ||
1387 | /* probe the platform */ | |
1388 | if (!platform->probed && | |
1389 | platform->driver->probe_order == order) { | |
1390 | ret = soc_probe_platform(card, platform); | |
1391 | if (ret < 0) | |
1392 | return ret; | |
1393 | } | |
1394 | ||
1395 | return 0; | |
1396 | } | |
1397 | ||
b0aa88af MLC |
1398 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1399 | struct snd_soc_dai *codec_dai, | |
1400 | int order) | |
1401 | { | |
1402 | int ret; | |
1403 | ||
1404 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1405 | if (codec_dai->driver->probe) { | |
1406 | ret = codec_dai->driver->probe(codec_dai); | |
1407 | if (ret < 0) { | |
1408 | dev_err(codec_dai->dev, | |
1409 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1410 | codec_dai->name, ret); | |
1411 | return ret; | |
1412 | } | |
1413 | } | |
1414 | ||
1415 | /* mark codec_dai as probed and add to card dai list */ | |
1416 | codec_dai->probed = 1; | |
b0aa88af MLC |
1417 | } |
1418 | ||
1419 | return 0; | |
1420 | } | |
1421 | ||
2436a723 MLC |
1422 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1423 | struct snd_soc_dai_link *dai_link, | |
3f901a02 | 1424 | struct snd_soc_pcm_runtime *rtd) |
2436a723 | 1425 | { |
3f901a02 BC |
1426 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1427 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
2436a723 MLC |
1428 | struct snd_soc_dapm_widget *play_w, *capture_w; |
1429 | int ret; | |
1430 | ||
88bd870f BC |
1431 | if (rtd->num_codecs > 1) |
1432 | dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n"); | |
1433 | ||
2436a723 MLC |
1434 | /* link the DAI widgets */ |
1435 | play_w = codec_dai->playback_widget; | |
1436 | capture_w = cpu_dai->capture_widget; | |
1437 | if (play_w && capture_w) { | |
1438 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1439 | capture_w, play_w); | |
1440 | if (ret != 0) { | |
1441 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1442 | play_w->name, capture_w->name, ret); | |
1443 | return ret; | |
1444 | } | |
1445 | } | |
1446 | ||
1447 | play_w = cpu_dai->playback_widget; | |
1448 | capture_w = codec_dai->capture_widget; | |
1449 | if (play_w && capture_w) { | |
1450 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1451 | capture_w, play_w); | |
1452 | if (ret != 0) { | |
1453 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1454 | play_w->name, capture_w->name, ret); | |
1455 | return ret; | |
1456 | } | |
1457 | } | |
1458 | ||
1459 | return 0; | |
1460 | } | |
1461 | ||
62ae68fa | 1462 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1463 | { |
1464 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1465 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad | 1466 | struct snd_soc_platform *platform = rtd->platform; |
c74184ed | 1467 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
88bd870f | 1468 | int i, ret; |
f0fba2ad | 1469 | |
f110bfc7 | 1470 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1471 | card->name, num, order); |
f0fba2ad LG |
1472 | |
1473 | /* config components */ | |
f0fba2ad | 1474 | cpu_dai->platform = platform; |
f0fba2ad | 1475 | cpu_dai->card = card; |
88bd870f BC |
1476 | for (i = 0; i < rtd->num_codecs; i++) |
1477 | rtd->codec_dais[i]->card = card; | |
f0fba2ad LG |
1478 | |
1479 | /* set default power off timeout */ | |
1480 | rtd->pmdown_time = pmdown_time; | |
1481 | ||
1482 | /* probe the cpu_dai */ | |
0168bf0d LG |
1483 | if (!cpu_dai->probed && |
1484 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe | 1485 | if (!cpu_dai->codec) { |
a9db7dbe SW |
1486 | if (!try_module_get(cpu_dai->dev->driver->owner)) |
1487 | return -ENODEV; | |
a9db7dbe | 1488 | } |
be09ad90 | 1489 | |
f0fba2ad LG |
1490 | if (cpu_dai->driver->probe) { |
1491 | ret = cpu_dai->driver->probe(cpu_dai); | |
1492 | if (ret < 0) { | |
f110bfc7 LG |
1493 | dev_err(cpu_dai->dev, |
1494 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1495 | cpu_dai->name, ret); | |
61b61e3c | 1496 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1497 | return ret; |
1498 | } | |
1499 | } | |
1500 | cpu_dai->probed = 1; | |
db2a4165 FM |
1501 | } |
1502 | ||
f0fba2ad | 1503 | /* probe the CODEC DAI */ |
88bd870f BC |
1504 | for (i = 0; i < rtd->num_codecs; i++) { |
1505 | ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order); | |
1506 | if (ret) | |
1507 | return ret; | |
1508 | } | |
fe3e78e0 | 1509 | |
0168bf0d LG |
1510 | /* complete DAI probe during last probe */ |
1511 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1512 | return 0; | |
1513 | ||
5f3484ac LPC |
1514 | /* do machine specific initialization */ |
1515 | if (dai_link->init) { | |
1516 | ret = dai_link->init(rtd); | |
1517 | if (ret < 0) { | |
1518 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1519 | dai_link->name, ret); | |
1520 | return ret; | |
1521 | } | |
1522 | } | |
1523 | ||
1524 | ret = soc_post_component_init(rtd, dai_link->name); | |
589c3563 | 1525 | if (ret) |
f0fba2ad | 1526 | return ret; |
fe3e78e0 | 1527 | |
5f3484ac LPC |
1528 | #ifdef CONFIG_DEBUG_FS |
1529 | /* add DPCM sysfs entries */ | |
1530 | if (dai_link->dynamic) { | |
1531 | ret = soc_dpcm_debugfs_add(rtd); | |
1532 | if (ret < 0) { | |
1533 | dev_err(rtd->dev, | |
1534 | "ASoC: failed to add dpcm sysfs entries: %d\n", | |
1535 | ret); | |
1536 | return ret; | |
1537 | } | |
1538 | } | |
1539 | #endif | |
1540 | ||
36ae1a96 | 1541 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1542 | if (ret < 0) |
f110bfc7 LG |
1543 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1544 | ret); | |
f0fba2ad | 1545 | |
1245b700 NK |
1546 | if (cpu_dai->driver->compress_dai) { |
1547 | /*create compress_device"*/ | |
1548 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1549 | if (ret < 0) { |
f110bfc7 | 1550 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1551 | dai_link->stream_name); |
c74184ed MB |
1552 | return ret; |
1553 | } | |
1554 | } else { | |
1245b700 NK |
1555 | |
1556 | if (!dai_link->params) { | |
1557 | /* create the pcm */ | |
1558 | ret = soc_new_pcm(rtd, num); | |
1559 | if (ret < 0) { | |
f110bfc7 | 1560 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1561 | dai_link->stream_name, ret); |
c74184ed MB |
1562 | return ret; |
1563 | } | |
1245b700 | 1564 | } else { |
9d58a077 RF |
1565 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1566 | codec2codec_close_delayed_work); | |
1567 | ||
1245b700 | 1568 | /* link the DAI widgets */ |
3f901a02 | 1569 | ret = soc_link_dai_widgets(card, dai_link, rtd); |
2436a723 MLC |
1570 | if (ret) |
1571 | return ret; | |
c74184ed | 1572 | } |
f0fba2ad LG |
1573 | } |
1574 | ||
1575 | /* add platform data for AC97 devices */ | |
88bd870f BC |
1576 | for (i = 0; i < rtd->num_codecs; i++) { |
1577 | if (rtd->codec_dais[i]->driver->ac97_control) | |
1578 | snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97, | |
1579 | rtd->cpu_dai->ac97_pdata); | |
1580 | } | |
f0fba2ad LG |
1581 | |
1582 | return 0; | |
1583 | } | |
1584 | ||
fe3e78e0 | 1585 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 MLC |
1586 | static int soc_register_ac97_codec(struct snd_soc_codec *codec, |
1587 | struct snd_soc_dai *codec_dai) | |
f0fba2ad LG |
1588 | { |
1589 | int ret; | |
1590 | ||
fe3e78e0 MB |
1591 | /* Only instantiate AC97 if not already done by the adaptor |
1592 | * for the generic AC97 subsystem. | |
1593 | */ | |
02c9c7b9 | 1594 | if (codec_dai->driver->ac97_control && !codec->ac97_registered) { |
0562f788 MW |
1595 | /* |
1596 | * It is possible that the AC97 device is already registered to | |
1597 | * the device subsystem. This happens when the device is created | |
1598 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1599 | * is the generic AC97 glue but others migh emerge. | |
1600 | * | |
1601 | * In those cases we don't try to register the device again. | |
1602 | */ | |
02c9c7b9 | 1603 | if (!codec->ac97_created) |
0562f788 | 1604 | return 0; |
f0fba2ad | 1605 | |
02c9c7b9 | 1606 | ret = soc_ac97_dev_register(codec); |
fe3e78e0 | 1607 | if (ret < 0) { |
02c9c7b9 | 1608 | dev_err(codec->dev, |
f110bfc7 | 1609 | "ASoC: AC97 device register failed: %d\n", ret); |
f0fba2ad | 1610 | return ret; |
fe3e78e0 | 1611 | } |
f0fba2ad | 1612 | |
02c9c7b9 | 1613 | codec->ac97_registered = 1; |
fe3e78e0 | 1614 | } |
f0fba2ad LG |
1615 | return 0; |
1616 | } | |
1617 | ||
02c9c7b9 | 1618 | static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) |
f0fba2ad LG |
1619 | { |
1620 | if (codec->ac97_registered) { | |
1621 | soc_ac97_dev_unregister(codec); | |
1622 | codec->ac97_registered = 0; | |
1623 | } | |
1624 | } | |
02c9c7b9 | 1625 | |
88bd870f BC |
1626 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1627 | { | |
1628 | int i, ret; | |
1629 | ||
1630 | for (i = 0; i < rtd->num_codecs; i++) { | |
1631 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; | |
1632 | ||
1633 | ret = soc_register_ac97_codec(codec_dai->codec, codec_dai); | |
1634 | if (ret) { | |
1635 | while (--i >= 0) | |
1636 | soc_unregister_ac97_codec(codec_dai->codec); | |
1637 | return ret; | |
1638 | } | |
1639 | } | |
1640 | ||
1641 | return 0; | |
1642 | } | |
1643 | ||
02c9c7b9 MLC |
1644 | static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1645 | { | |
88bd870f BC |
1646 | int i; |
1647 | ||
1648 | for (i = 0; i < rtd->num_codecs; i++) | |
1649 | soc_unregister_ac97_codec(rtd->codec_dais[i]->codec); | |
02c9c7b9 | 1650 | } |
fe3e78e0 MB |
1651 | #endif |
1652 | ||
44c69bb1 | 1653 | static int soc_bind_aux_dev(struct snd_soc_card *card, int num) |
3ca041ed | 1654 | { |
44c69bb1 | 1655 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
3ca041ed SR |
1656 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
1657 | const char *codecname = aux_dev->codec_name; | |
3ca041ed | 1658 | |
44c69bb1 LPC |
1659 | rtd->codec = soc_find_codec(aux_dev->codec_of_node, codecname); |
1660 | if (!rtd->codec) { | |
3ca041ed SR |
1661 | if (aux_dev->codec_of_node) |
1662 | codecname = of_node_full_name(aux_dev->codec_of_node); | |
1663 | ||
44c69bb1 | 1664 | dev_err(card->dev, "ASoC: %s not registered\n", codecname); |
3ca041ed SR |
1665 | return -EPROBE_DEFER; |
1666 | } | |
fb099cb7 | 1667 | |
44c69bb1 | 1668 | return 0; |
b19e6e7b MB |
1669 | } |
1670 | ||
2eea392d JN |
1671 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1672 | { | |
44c69bb1 | 1673 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
2eea392d | 1674 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
44c69bb1 | 1675 | int ret; |
3ca041ed | 1676 | |
44c69bb1 LPC |
1677 | if (rtd->codec->probed) { |
1678 | dev_err(rtd->codec->dev, "ASoC: codec already probed\n"); | |
3ca041ed | 1679 | return -EBUSY; |
2eea392d JN |
1680 | } |
1681 | ||
44c69bb1 | 1682 | ret = soc_probe_codec(card, rtd->codec); |
2eea392d | 1683 | if (ret < 0) |
589c3563 | 1684 | return ret; |
2eea392d | 1685 | |
5f3484ac LPC |
1686 | /* do machine specific initialization */ |
1687 | if (aux_dev->init) { | |
1688 | ret = aux_dev->init(&rtd->codec->dapm); | |
1689 | if (ret < 0) { | |
1690 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1691 | aux_dev->name, ret); | |
1692 | return ret; | |
1693 | } | |
1694 | } | |
2eea392d | 1695 | |
5f3484ac | 1696 | return soc_post_component_init(rtd, aux_dev->name); |
2eea392d JN |
1697 | } |
1698 | ||
1699 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1700 | { | |
1701 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1702 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1703 | |
1704 | /* unregister the rtd device */ | |
1705 | if (rtd->dev_registered) { | |
36ae1a96 | 1706 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1707 | device_unregister(rtd->dev); |
2eea392d JN |
1708 | rtd->dev_registered = 0; |
1709 | } | |
1710 | ||
589c3563 JN |
1711 | if (codec && codec->probed) |
1712 | soc_remove_codec(codec); | |
2eea392d JN |
1713 | } |
1714 | ||
f90fb3f7 | 1715 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1716 | { |
1717 | int ret; | |
1718 | ||
1719 | if (codec->cache_init) | |
1720 | return 0; | |
1721 | ||
fdf0f54d DP |
1722 | ret = snd_soc_cache_init(codec); |
1723 | if (ret < 0) { | |
10e8aa9a MM |
1724 | dev_err(codec->dev, |
1725 | "ASoC: Failed to set cache compression type: %d\n", | |
1726 | ret); | |
fdf0f54d DP |
1727 | return ret; |
1728 | } | |
1729 | codec->cache_init = 1; | |
1730 | return 0; | |
1731 | } | |
1732 | ||
b19e6e7b | 1733 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1734 | { |
fdf0f54d | 1735 | struct snd_soc_codec *codec; |
75d9ac46 | 1736 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1737 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1738 | |
01b9d99a | 1739 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1740 | |
f0fba2ad | 1741 | /* bind DAIs */ |
b19e6e7b MB |
1742 | for (i = 0; i < card->num_links; i++) { |
1743 | ret = soc_bind_dai_link(card, i); | |
1744 | if (ret != 0) | |
1745 | goto base_error; | |
1746 | } | |
fe3e78e0 | 1747 | |
44c69bb1 | 1748 | /* bind aux_devs too */ |
b19e6e7b | 1749 | for (i = 0; i < card->num_aux_devs; i++) { |
44c69bb1 | 1750 | ret = soc_bind_aux_dev(card, i); |
b19e6e7b MB |
1751 | if (ret != 0) |
1752 | goto base_error; | |
f0fba2ad | 1753 | } |
435c5e25 | 1754 | |
fdf0f54d DP |
1755 | /* initialize the register cache for each available codec */ |
1756 | list_for_each_entry(codec, &codec_list, list) { | |
1757 | if (codec->cache_init) | |
1758 | continue; | |
f90fb3f7 | 1759 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1760 | if (ret < 0) |
1761 | goto base_error; | |
fdf0f54d DP |
1762 | } |
1763 | ||
f0fba2ad | 1764 | /* card bind complete so register a sound card */ |
102b5a8d | 1765 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1766 | card->owner, 0, &card->snd_card); |
1767 | if (ret < 0) { | |
10e8aa9a MM |
1768 | dev_err(card->dev, |
1769 | "ASoC: can't create sound card for card %s: %d\n", | |
1770 | card->name, ret); | |
b19e6e7b | 1771 | goto base_error; |
f0fba2ad | 1772 | } |
f0fba2ad | 1773 | |
e37a4970 MB |
1774 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1775 | card->dapm.dev = card->dev; | |
1776 | card->dapm.card = card; | |
1777 | list_add(&card->dapm.list, &card->dapm_list); | |
1778 | ||
d5d1e0be LPC |
1779 | #ifdef CONFIG_DEBUG_FS |
1780 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1781 | #endif | |
1782 | ||
88ee1c61 | 1783 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1784 | /* deferred resume work */ |
1785 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1786 | #endif | |
db2a4165 | 1787 | |
9a841ebb MB |
1788 | if (card->dapm_widgets) |
1789 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1790 | card->num_dapm_widgets); | |
1791 | ||
f0fba2ad LG |
1792 | /* initialise the sound card only once */ |
1793 | if (card->probe) { | |
e7361ec4 | 1794 | ret = card->probe(card); |
f0fba2ad LG |
1795 | if (ret < 0) |
1796 | goto card_probe_error; | |
1797 | } | |
fe3e78e0 | 1798 | |
62ae68fa | 1799 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1800 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1801 | order++) { | |
1802 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1803 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1804 | if (ret < 0) { |
f110bfc7 LG |
1805 | dev_err(card->dev, |
1806 | "ASoC: failed to instantiate card %d\n", | |
1807 | ret); | |
62ae68fa SW |
1808 | goto probe_dai_err; |
1809 | } | |
1810 | } | |
1811 | } | |
1812 | ||
1813 | /* probe all DAI links on this card */ | |
1814 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1815 | order++) { | |
1816 | for (i = 0; i < card->num_links; i++) { | |
1817 | ret = soc_probe_link_dais(card, i, order); | |
1818 | if (ret < 0) { | |
f110bfc7 LG |
1819 | dev_err(card->dev, |
1820 | "ASoC: failed to instantiate card %d\n", | |
1821 | ret); | |
0168bf0d LG |
1822 | goto probe_dai_err; |
1823 | } | |
f0fba2ad LG |
1824 | } |
1825 | } | |
db2a4165 | 1826 | |
2eea392d JN |
1827 | for (i = 0; i < card->num_aux_devs; i++) { |
1828 | ret = soc_probe_aux_dev(card, i); | |
1829 | if (ret < 0) { | |
f110bfc7 LG |
1830 | dev_err(card->dev, |
1831 | "ASoC: failed to add auxiliary devices %d\n", | |
1832 | ret); | |
2eea392d JN |
1833 | goto probe_aux_dev_err; |
1834 | } | |
1835 | } | |
1836 | ||
888df395 | 1837 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1838 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1839 | |
b7af1daf | 1840 | if (card->controls) |
022658be | 1841 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1842 | |
b8ad29de MB |
1843 | if (card->dapm_routes) |
1844 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1845 | card->num_dapm_routes); | |
1846 | ||
75d9ac46 | 1847 | for (i = 0; i < card->num_links; i++) { |
88bd870f | 1848 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
75d9ac46 | 1849 | dai_link = &card->dai_link[i]; |
f04209a7 | 1850 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1851 | |
f04209a7 | 1852 | if (dai_fmt) { |
88bd870f BC |
1853 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
1854 | int j; | |
1855 | ||
1856 | for (j = 0; j < rtd->num_codecs; j++) { | |
1857 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
1858 | ||
1859 | ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); | |
1860 | if (ret != 0 && ret != -ENOTSUPP) | |
1861 | dev_warn(codec_dai->dev, | |
1862 | "ASoC: Failed to set DAI format: %d\n", | |
1863 | ret); | |
1864 | } | |
f04209a7 MB |
1865 | } |
1866 | ||
1867 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1868 | if (dai_fmt && |
1869 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1870 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1871 | dai_fmt); | |
1872 | if (ret != 0 && ret != -ENOTSUPP) | |
1873 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1874 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1875 | ret); |
1876 | } else if (dai_fmt) { | |
1877 | /* Flip the polarity for the "CPU" end */ | |
1878 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1879 | switch (dai_link->dai_fmt & | |
1880 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1881 | case SND_SOC_DAIFMT_CBM_CFM: | |
1882 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1883 | break; | |
1884 | case SND_SOC_DAIFMT_CBM_CFS: | |
1885 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1886 | break; | |
1887 | case SND_SOC_DAIFMT_CBS_CFM: | |
1888 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1889 | break; | |
1890 | case SND_SOC_DAIFMT_CBS_CFS: | |
1891 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1892 | break; | |
1893 | } | |
75d9ac46 MB |
1894 | |
1895 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1896 | dai_fmt); |
5e4ba569 | 1897 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1898 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1899 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1900 | ret); |
1901 | } | |
1902 | } | |
1903 | ||
f0fba2ad | 1904 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1905 | "%s", card->name); |
22de71ba LG |
1906 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1907 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1908 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1909 | "%s", card->driver_name ? card->driver_name : card->name); | |
1910 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1911 | switch (card->snd_card->driver[i]) { | |
1912 | case '_': | |
1913 | case '-': | |
1914 | case '\0': | |
1915 | break; | |
1916 | default: | |
1917 | if (!isalnum(card->snd_card->driver[i])) | |
1918 | card->snd_card->driver[i] = '_'; | |
1919 | break; | |
1920 | } | |
1921 | } | |
f0fba2ad | 1922 | |
28e9ad92 MB |
1923 | if (card->late_probe) { |
1924 | ret = card->late_probe(card); | |
1925 | if (ret < 0) { | |
f110bfc7 | 1926 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1927 | card->name, ret); |
1928 | goto probe_aux_dev_err; | |
1929 | } | |
1930 | } | |
1931 | ||
1633281b | 1932 | if (card->fully_routed) |
7df37884 | 1933 | snd_soc_dapm_auto_nc_pins(card); |
1633281b | 1934 | |
824ef826 | 1935 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1936 | |
f0fba2ad LG |
1937 | ret = snd_card_register(card->snd_card); |
1938 | if (ret < 0) { | |
f110bfc7 LG |
1939 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1940 | ret); | |
6b3ed785 | 1941 | goto probe_aux_dev_err; |
db2a4165 FM |
1942 | } |
1943 | ||
f0fba2ad LG |
1944 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1945 | /* register any AC97 codecs */ | |
1946 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1947 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1948 | if (ret < 0) { | |
10e8aa9a MM |
1949 | dev_err(card->dev, |
1950 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1951 | while (--i >= 0) |
02c9c7b9 | 1952 | soc_unregister_ac97_dai_link(&card->rtd[i]); |
6b3ed785 | 1953 | goto probe_aux_dev_err; |
f0fba2ad | 1954 | } |
6b3ed785 | 1955 | } |
f0fba2ad LG |
1956 | #endif |
1957 | ||
1958 | card->instantiated = 1; | |
4f4c0072 | 1959 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1960 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1961 | |
1962 | return 0; | |
f0fba2ad | 1963 | |
2eea392d JN |
1964 | probe_aux_dev_err: |
1965 | for (i = 0; i < card->num_aux_devs; i++) | |
1966 | soc_remove_aux_dev(card, i); | |
1967 | ||
f0fba2ad | 1968 | probe_dai_err: |
0671fd8e | 1969 | soc_remove_dai_links(card); |
f0fba2ad LG |
1970 | |
1971 | card_probe_error: | |
87506549 | 1972 | if (card->remove) |
e7361ec4 | 1973 | card->remove(card); |
f0fba2ad LG |
1974 | |
1975 | snd_card_free(card->snd_card); | |
1976 | ||
b19e6e7b | 1977 | base_error: |
f0fba2ad | 1978 | mutex_unlock(&card->mutex); |
db2a4165 | 1979 | |
b19e6e7b | 1980 | return ret; |
435c5e25 MB |
1981 | } |
1982 | ||
1983 | /* probes a new socdev */ | |
1984 | static int soc_probe(struct platform_device *pdev) | |
1985 | { | |
f0fba2ad | 1986 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1987 | |
70a7ca34 VK |
1988 | /* |
1989 | * no card, so machine driver should be registering card | |
1990 | * we should not be here in that case so ret error | |
1991 | */ | |
1992 | if (!card) | |
1993 | return -EINVAL; | |
1994 | ||
fe4085e8 | 1995 | dev_warn(&pdev->dev, |
f110bfc7 | 1996 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1997 | card->name); |
1998 | ||
435c5e25 MB |
1999 | /* Bodge while we unpick instantiation */ |
2000 | card->dev = &pdev->dev; | |
f0fba2ad | 2001 | |
28d528c8 | 2002 | return snd_soc_register_card(card); |
db2a4165 FM |
2003 | } |
2004 | ||
b0e26485 | 2005 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
2006 | { |
2007 | int i; | |
db2a4165 | 2008 | |
b0e26485 VK |
2009 | /* make sure any delayed work runs */ |
2010 | for (i = 0; i < card->num_rtd; i++) { | |
2011 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 2012 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 2013 | } |
914dc182 | 2014 | |
b0e26485 VK |
2015 | /* remove auxiliary devices */ |
2016 | for (i = 0; i < card->num_aux_devs; i++) | |
2017 | soc_remove_aux_dev(card, i); | |
db2a4165 | 2018 | |
b0e26485 | 2019 | /* remove and free each DAI */ |
0671fd8e | 2020 | soc_remove_dai_links(card); |
2eea392d | 2021 | |
b0e26485 | 2022 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 2023 | |
b0e26485 VK |
2024 | /* remove the card */ |
2025 | if (card->remove) | |
e7361ec4 | 2026 | card->remove(card); |
a6052154 | 2027 | |
0aaae527 LPC |
2028 | snd_soc_dapm_free(&card->dapm); |
2029 | ||
b0e26485 VK |
2030 | snd_card_free(card->snd_card); |
2031 | return 0; | |
2032 | ||
2033 | } | |
2034 | ||
2035 | /* removes a socdev */ | |
2036 | static int soc_remove(struct platform_device *pdev) | |
2037 | { | |
2038 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 2039 | |
c5af3a2e | 2040 | snd_soc_unregister_card(card); |
db2a4165 FM |
2041 | return 0; |
2042 | } | |
2043 | ||
6f8ab4ac | 2044 | int snd_soc_poweroff(struct device *dev) |
51737470 | 2045 | { |
6f8ab4ac | 2046 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 2047 | int i; |
51737470 MB |
2048 | |
2049 | if (!card->instantiated) | |
416356fc | 2050 | return 0; |
51737470 MB |
2051 | |
2052 | /* Flush out pmdown_time work - we actually do want to run it | |
2053 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
2054 | for (i = 0; i < card->num_rtd; i++) { |
2055 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 2056 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 2057 | } |
51737470 | 2058 | |
f0fba2ad | 2059 | snd_soc_dapm_shutdown(card); |
416356fc | 2060 | |
988e8cc4 NC |
2061 | /* deactivate pins to sleep state */ |
2062 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
2063 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
2064 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
2065 | int j; | |
2066 | ||
988e8cc4 | 2067 | pinctrl_pm_select_sleep_state(cpu_dai->dev); |
88bd870f BC |
2068 | for (j = 0; j < rtd->num_codecs; j++) { |
2069 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
2070 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
2071 | } | |
988e8cc4 NC |
2072 | } |
2073 | ||
416356fc | 2074 | return 0; |
51737470 | 2075 | } |
6f8ab4ac | 2076 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 2077 | |
6f8ab4ac | 2078 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
2079 | .suspend = snd_soc_suspend, |
2080 | .resume = snd_soc_resume, | |
2081 | .freeze = snd_soc_suspend, | |
2082 | .thaw = snd_soc_resume, | |
6f8ab4ac | 2083 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 2084 | .restore = snd_soc_resume, |
416356fc | 2085 | }; |
deb2607e | 2086 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 2087 | |
db2a4165 FM |
2088 | /* ASoC platform driver */ |
2089 | static struct platform_driver soc_driver = { | |
2090 | .driver = { | |
2091 | .name = "soc-audio", | |
8b45a209 | 2092 | .owner = THIS_MODULE, |
6f8ab4ac | 2093 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
2094 | }, |
2095 | .probe = soc_probe, | |
2096 | .remove = soc_remove, | |
db2a4165 FM |
2097 | }; |
2098 | ||
db2a4165 FM |
2099 | /** |
2100 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2101 | * @codec: audio codec | |
2102 | * @ops: AC97 bus operations | |
2103 | * @num: AC97 codec number | |
2104 | * | |
2105 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2106 | */ | |
2107 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2108 | struct snd_ac97_bus_ops *ops, int num) | |
2109 | { | |
2110 | mutex_lock(&codec->mutex); | |
2111 | ||
2112 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2113 | if (codec->ac97 == NULL) { | |
2114 | mutex_unlock(&codec->mutex); | |
2115 | return -ENOMEM; | |
2116 | } | |
2117 | ||
2118 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2119 | if (codec->ac97->bus == NULL) { | |
2120 | kfree(codec->ac97); | |
2121 | codec->ac97 = NULL; | |
2122 | mutex_unlock(&codec->mutex); | |
2123 | return -ENOMEM; | |
2124 | } | |
2125 | ||
2126 | codec->ac97->bus->ops = ops; | |
2127 | codec->ac97->num = num; | |
0562f788 MW |
2128 | |
2129 | /* | |
2130 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2131 | * device will be registered with the device subsystem later on. | |
2132 | */ | |
2133 | codec->ac97_created = 1; | |
2134 | ||
db2a4165 FM |
2135 | mutex_unlock(&codec->mutex); |
2136 | return 0; | |
2137 | } | |
2138 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2139 | ||
741a509f MP |
2140 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2141 | ||
2142 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2143 | { | |
2144 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2145 | ||
2146 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2147 | ||
2148 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2149 | ||
2150 | udelay(10); | |
2151 | ||
2152 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2153 | ||
2154 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2155 | msleep(2); | |
2156 | } | |
2157 | ||
2158 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2159 | { | |
2160 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2161 | ||
2162 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2163 | ||
2164 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2165 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2166 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2167 | ||
2168 | udelay(10); | |
2169 | ||
2170 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2171 | ||
2172 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2173 | msleep(2); | |
2174 | } | |
2175 | ||
2176 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2177 | struct snd_ac97_reset_cfg *cfg) | |
2178 | { | |
2179 | struct pinctrl *p; | |
2180 | struct pinctrl_state *state; | |
2181 | int gpio; | |
2182 | int ret; | |
2183 | ||
2184 | p = devm_pinctrl_get(dev); | |
2185 | if (IS_ERR(p)) { | |
2186 | dev_err(dev, "Failed to get pinctrl\n"); | |
b7580cde | 2187 | return PTR_ERR(p); |
741a509f MP |
2188 | } |
2189 | cfg->pctl = p; | |
2190 | ||
2191 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2192 | if (IS_ERR(state)) { | |
2193 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
b7580cde | 2194 | return PTR_ERR(state); |
741a509f MP |
2195 | } |
2196 | cfg->pstate_reset = state; | |
2197 | ||
2198 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2199 | if (IS_ERR(state)) { | |
2200 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
b7580cde | 2201 | return PTR_ERR(state); |
741a509f MP |
2202 | } |
2203 | cfg->pstate_warm_reset = state; | |
2204 | ||
2205 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2206 | if (IS_ERR(state)) { | |
2207 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
b7580cde | 2208 | return PTR_ERR(state); |
741a509f MP |
2209 | } |
2210 | cfg->pstate_run = state; | |
2211 | ||
2212 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2213 | if (gpio < 0) { | |
2214 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2215 | return gpio; | |
2216 | } | |
2217 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2218 | if (ret) { | |
2219 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2220 | return ret; | |
2221 | } | |
2222 | cfg->gpio_sync = gpio; | |
2223 | ||
2224 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2225 | if (gpio < 0) { | |
2226 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2227 | return gpio; | |
2228 | } | |
2229 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2230 | if (ret) { | |
2231 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2232 | return ret; | |
2233 | } | |
2234 | cfg->gpio_sdata = gpio; | |
2235 | ||
2236 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2237 | if (gpio < 0) { | |
2238 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2239 | return gpio; | |
2240 | } | |
2241 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2242 | if (ret) { | |
2243 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2244 | return ret; | |
2245 | } | |
2246 | cfg->gpio_reset = gpio; | |
2247 | ||
2248 | return 0; | |
2249 | } | |
2250 | ||
b047e1cc | 2251 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2252 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2253 | |
2254 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2255 | { | |
2256 | if (ops == soc_ac97_ops) | |
2257 | return 0; | |
2258 | ||
2259 | if (soc_ac97_ops && ops) | |
2260 | return -EBUSY; | |
2261 | ||
2262 | soc_ac97_ops = ops; | |
2263 | ||
2264 | return 0; | |
2265 | } | |
2266 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2267 | ||
741a509f MP |
2268 | /** |
2269 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2270 | * | |
2271 | * This function sets the reset and warm_reset properties of ops and parses | |
2272 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2273 | */ | |
2274 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2275 | struct platform_device *pdev) | |
2276 | { | |
2277 | struct device *dev = &pdev->dev; | |
2278 | struct snd_ac97_reset_cfg cfg; | |
2279 | int ret; | |
2280 | ||
2281 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2282 | if (ret) | |
2283 | return ret; | |
2284 | ||
2285 | ret = snd_soc_set_ac97_ops(ops); | |
2286 | if (ret) | |
2287 | return ret; | |
2288 | ||
2289 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2290 | ops->reset = snd_soc_ac97_reset; | |
2291 | ||
2292 | snd_ac97_rst_cfg = cfg; | |
2293 | return 0; | |
2294 | } | |
2295 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2296 | ||
db2a4165 FM |
2297 | /** |
2298 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2299 | * @codec: audio codec | |
2300 | * | |
2301 | * Frees AC97 codec device resources. | |
2302 | */ | |
2303 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2304 | { | |
2305 | mutex_lock(&codec->mutex); | |
f0fba2ad | 2306 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 | 2307 | soc_unregister_ac97_codec(codec); |
f0fba2ad | 2308 | #endif |
db2a4165 FM |
2309 | kfree(codec->ac97->bus); |
2310 | kfree(codec->ac97); | |
2311 | codec->ac97 = NULL; | |
0562f788 | 2312 | codec->ac97_created = 0; |
db2a4165 FM |
2313 | mutex_unlock(&codec->mutex); |
2314 | } | |
2315 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2316 | ||
db2a4165 FM |
2317 | /** |
2318 | * snd_soc_cnew - create new control | |
2319 | * @_template: control template | |
2320 | * @data: control private data | |
ac11a2b3 | 2321 | * @long_name: control long name |
efb7ac3f | 2322 | * @prefix: control name prefix |
db2a4165 FM |
2323 | * |
2324 | * Create a new mixer control from a template control. | |
2325 | * | |
2326 | * Returns 0 for success, else error. | |
2327 | */ | |
2328 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2329 | void *data, const char *long_name, |
efb7ac3f | 2330 | const char *prefix) |
db2a4165 FM |
2331 | { |
2332 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2333 | struct snd_kcontrol *kcontrol; |
2334 | char *name = NULL; | |
db2a4165 FM |
2335 | |
2336 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2337 | template.index = 0; |
2338 | ||
efb7ac3f MB |
2339 | if (!long_name) |
2340 | long_name = template.name; | |
2341 | ||
2342 | if (prefix) { | |
2b581074 | 2343 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2344 | if (!name) |
2345 | return NULL; | |
2346 | ||
efb7ac3f MB |
2347 | template.name = name; |
2348 | } else { | |
2349 | template.name = long_name; | |
2350 | } | |
2351 | ||
2352 | kcontrol = snd_ctl_new1(&template, data); | |
2353 | ||
2354 | kfree(name); | |
2355 | ||
2356 | return kcontrol; | |
db2a4165 FM |
2357 | } |
2358 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2359 | ||
022658be LG |
2360 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2361 | const struct snd_kcontrol_new *controls, int num_controls, | |
2362 | const char *prefix, void *data) | |
2363 | { | |
2364 | int err, i; | |
2365 | ||
2366 | for (i = 0; i < num_controls; i++) { | |
2367 | const struct snd_kcontrol_new *control = &controls[i]; | |
2368 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2369 | control->name, prefix)); | |
2370 | if (err < 0) { | |
f110bfc7 LG |
2371 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2372 | control->name, err); | |
022658be LG |
2373 | return err; |
2374 | } | |
2375 | } | |
2376 | ||
2377 | return 0; | |
2378 | } | |
2379 | ||
4fefd698 DP |
2380 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2381 | const char *name) | |
2382 | { | |
2383 | struct snd_card *card = soc_card->snd_card; | |
2384 | struct snd_kcontrol *kctl; | |
2385 | ||
2386 | if (unlikely(!name)) | |
2387 | return NULL; | |
2388 | ||
2389 | list_for_each_entry(kctl, &card->controls, list) | |
2390 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2391 | return kctl; | |
2392 | return NULL; | |
2393 | } | |
2394 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2395 | ||
3e8e1952 | 2396 | /** |
022658be LG |
2397 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2398 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2399 | * duplicating this code. |
2400 | * | |
2401 | * @codec: codec to add controls to | |
2402 | * @controls: array of controls to add | |
2403 | * @num_controls: number of elements in the array | |
2404 | * | |
2405 | * Return 0 for success, else error. | |
2406 | */ | |
022658be | 2407 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2408 | const struct snd_kcontrol_new *controls, int num_controls) |
2409 | { | |
00200107 | 2410 | struct snd_card *card = codec->component.card->snd_card; |
3e8e1952 | 2411 | |
022658be | 2412 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
94f99c87 | 2413 | codec->component.name_prefix, &codec->component); |
3e8e1952 | 2414 | } |
022658be | 2415 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2416 | |
a491a5c8 LG |
2417 | /** |
2418 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2419 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2420 | * |
2421 | * @platform: platform to add controls to | |
2422 | * @controls: array of controls to add | |
2423 | * @num_controls: number of elements in the array | |
2424 | * | |
2425 | * Return 0 for success, else error. | |
2426 | */ | |
2427 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2428 | const struct snd_kcontrol_new *controls, int num_controls) | |
2429 | { | |
00200107 | 2430 | struct snd_card *card = platform->component.card->snd_card; |
a491a5c8 | 2431 | |
022658be | 2432 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
907fe36a | 2433 | NULL, &platform->component); |
a491a5c8 LG |
2434 | } |
2435 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2436 | ||
022658be LG |
2437 | /** |
2438 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2439 | * Convenience function to add a list of controls. | |
2440 | * | |
2441 | * @soc_card: SoC card to add controls to | |
2442 | * @controls: array of controls to add | |
2443 | * @num_controls: number of elements in the array | |
2444 | * | |
2445 | * Return 0 for success, else error. | |
2446 | */ | |
2447 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2448 | const struct snd_kcontrol_new *controls, int num_controls) | |
2449 | { | |
2450 | struct snd_card *card = soc_card->snd_card; | |
2451 | ||
2452 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2453 | NULL, soc_card); | |
2454 | } | |
2455 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2456 | ||
2457 | /** | |
2458 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2459 | * Convienience function to add a list of controls. | |
2460 | * | |
2461 | * @dai: DAI to add controls to | |
2462 | * @controls: array of controls to add | |
2463 | * @num_controls: number of elements in the array | |
2464 | * | |
2465 | * Return 0 for success, else error. | |
2466 | */ | |
2467 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2468 | const struct snd_kcontrol_new *controls, int num_controls) | |
2469 | { | |
2470 | struct snd_card *card = dai->card->snd_card; | |
2471 | ||
2472 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2473 | NULL, dai); | |
2474 | } | |
2475 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2476 | ||
db2a4165 FM |
2477 | /** |
2478 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2479 | * @kcontrol: mixer control | |
2480 | * @uinfo: control element information | |
2481 | * | |
2482 | * Callback to provide information about a double enumerated | |
2483 | * mixer control. | |
2484 | * | |
2485 | * Returns 0 for success. | |
2486 | */ | |
2487 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2488 | struct snd_ctl_elem_info *uinfo) | |
2489 | { | |
2490 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2491 | ||
2492 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2493 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2494 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2495 | |
9a8d38db TI |
2496 | if (uinfo->value.enumerated.item >= e->items) |
2497 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2498 | strlcpy(uinfo->value.enumerated.name, |
2499 | e->texts[uinfo->value.enumerated.item], | |
2500 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2501 | return 0; |
2502 | } | |
2503 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2504 | ||
2505 | /** | |
2506 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2507 | * @kcontrol: mixer control | |
ac11a2b3 | 2508 | * @ucontrol: control element information |
db2a4165 FM |
2509 | * |
2510 | * Callback to get the value of a double enumerated mixer. | |
2511 | * | |
2512 | * Returns 0 for success. | |
2513 | */ | |
2514 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2515 | struct snd_ctl_elem_value *ucontrol) | |
2516 | { | |
907fe36a | 2517 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2518 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 LPC |
2519 | unsigned int val, item; |
2520 | unsigned int reg_val; | |
907fe36a | 2521 | int ret; |
db2a4165 | 2522 | |
907fe36a LPC |
2523 | ret = snd_soc_component_read(component, e->reg, ®_val); |
2524 | if (ret) | |
2525 | return ret; | |
29ae2fa5 LPC |
2526 | val = (reg_val >> e->shift_l) & e->mask; |
2527 | item = snd_soc_enum_val_to_item(e, val); | |
2528 | ucontrol->value.enumerated.item[0] = item; | |
2529 | if (e->shift_l != e->shift_r) { | |
2530 | val = (reg_val >> e->shift_l) & e->mask; | |
2531 | item = snd_soc_enum_val_to_item(e, val); | |
2532 | ucontrol->value.enumerated.item[1] = item; | |
2533 | } | |
db2a4165 FM |
2534 | |
2535 | return 0; | |
2536 | } | |
2537 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2538 | ||
2539 | /** | |
2540 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2541 | * @kcontrol: mixer control | |
ac11a2b3 | 2542 | * @ucontrol: control element information |
db2a4165 FM |
2543 | * |
2544 | * Callback to set the value of a double enumerated mixer. | |
2545 | * | |
2546 | * Returns 0 for success. | |
2547 | */ | |
2548 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2549 | struct snd_ctl_elem_value *ucontrol) | |
2550 | { | |
907fe36a | 2551 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2552 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 | 2553 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2554 | unsigned int val; |
86767b7d | 2555 | unsigned int mask; |
db2a4165 | 2556 | |
29ae2fa5 | 2557 | if (item[0] >= e->items) |
db2a4165 | 2558 | return -EINVAL; |
29ae2fa5 | 2559 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2560 | mask = e->mask << e->shift_l; |
db2a4165 | 2561 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2562 | if (item[1] >= e->items) |
db2a4165 | 2563 | return -EINVAL; |
29ae2fa5 | 2564 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2565 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2566 | } |
2567 | ||
907fe36a | 2568 | return snd_soc_component_update_bits(component, e->reg, mask, val); |
db2a4165 FM |
2569 | } |
2570 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2571 | ||
2e72f8e3 | 2572 | /** |
f227b88f | 2573 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
907fe36a | 2574 | * @component: component |
f227b88f MP |
2575 | * @reg: Register to read |
2576 | * @mask: Mask to use after shifting the register value | |
2577 | * @shift: Right shift of register value | |
2578 | * @sign_bit: Bit that describes if a number is negative or not. | |
907fe36a | 2579 | * @signed_val: Pointer to where the read value should be stored |
2e72f8e3 | 2580 | * |
f227b88f MP |
2581 | * This functions reads a codec register. The register value is shifted right |
2582 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2583 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2584 | * |
907fe36a | 2585 | * Returns 0 on sucess, otherwise an error value |
2e72f8e3 | 2586 | */ |
907fe36a LPC |
2587 | static int snd_soc_read_signed(struct snd_soc_component *component, |
2588 | unsigned int reg, unsigned int mask, unsigned int shift, | |
2589 | unsigned int sign_bit, int *signed_val) | |
2e72f8e3 | 2590 | { |
f227b88f MP |
2591 | int ret; |
2592 | unsigned int val; | |
2e72f8e3 | 2593 | |
907fe36a LPC |
2594 | ret = snd_soc_component_read(component, reg, &val); |
2595 | if (ret < 0) | |
2596 | return ret; | |
2597 | ||
2598 | val = (val >> shift) & mask; | |
2e72f8e3 | 2599 | |
907fe36a LPC |
2600 | if (!sign_bit) { |
2601 | *signed_val = val; | |
2602 | return 0; | |
2603 | } | |
2e72f8e3 | 2604 | |
f227b88f | 2605 | /* non-negative number */ |
907fe36a LPC |
2606 | if (!(val & BIT(sign_bit))) { |
2607 | *signed_val = val; | |
2608 | return 0; | |
2609 | } | |
2e72f8e3 | 2610 | |
f227b88f | 2611 | ret = val; |
2e72f8e3 | 2612 | |
f227b88f MP |
2613 | /* |
2614 | * The register most probably does not contain a full-sized int. | |
2615 | * Instead we have an arbitrary number of bits in a signed | |
2616 | * representation which has to be translated into a full-sized int. | |
2617 | * This is done by filling up all bits above the sign-bit. | |
2618 | */ | |
2619 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2620 | ||
907fe36a LPC |
2621 | *signed_val = ret; |
2622 | ||
2623 | return 0; | |
2e72f8e3 | 2624 | } |
2e72f8e3 | 2625 | |
db2a4165 FM |
2626 | /** |
2627 | * snd_soc_info_volsw - single mixer info callback | |
2628 | * @kcontrol: mixer control | |
2629 | * @uinfo: control element information | |
2630 | * | |
e8f5a103 PU |
2631 | * Callback to provide information about a single mixer control, or a double |
2632 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2633 | * |
2634 | * Returns 0 for success. | |
2635 | */ | |
2636 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2637 | struct snd_ctl_elem_info *uinfo) | |
2638 | { | |
4eaa9819 JS |
2639 | struct soc_mixer_control *mc = |
2640 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2641 | int platform_max; |
db2a4165 | 2642 | |
d11bb4a9 PU |
2643 | if (!mc->platform_max) |
2644 | mc->platform_max = mc->max; | |
2645 | platform_max = mc->platform_max; | |
2646 | ||
2647 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2648 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2649 | else | |
2650 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2651 | ||
e8f5a103 | 2652 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2653 | uinfo->value.integer.min = 0; |
f227b88f | 2654 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2655 | return 0; |
2656 | } | |
2657 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2658 | ||
2659 | /** | |
2660 | * snd_soc_get_volsw - single mixer get callback | |
2661 | * @kcontrol: mixer control | |
ac11a2b3 | 2662 | * @ucontrol: control element information |
db2a4165 | 2663 | * |
f7915d99 PU |
2664 | * Callback to get the value of a single mixer control, or a double mixer |
2665 | * control that spans 2 registers. | |
db2a4165 FM |
2666 | * |
2667 | * Returns 0 for success. | |
2668 | */ | |
2669 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2670 | struct snd_ctl_elem_value *ucontrol) | |
2671 | { | |
907fe36a | 2672 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2673 | struct soc_mixer_control *mc = |
2674 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2675 | unsigned int reg = mc->reg; |
f7915d99 | 2676 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2677 | unsigned int shift = mc->shift; |
2678 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2679 | int max = mc->max; |
f227b88f MP |
2680 | int min = mc->min; |
2681 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2682 | unsigned int mask = (1 << fls(max)) - 1; |
2683 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2684 | int val; |
2685 | int ret; | |
db2a4165 | 2686 | |
f227b88f MP |
2687 | if (sign_bit) |
2688 | mask = BIT(sign_bit + 1) - 1; | |
2689 | ||
907fe36a LPC |
2690 | ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val); |
2691 | if (ret) | |
2692 | return ret; | |
2693 | ||
2694 | ucontrol->value.integer.value[0] = val - min; | |
f7915d99 | 2695 | if (invert) |
db2a4165 | 2696 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2697 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2698 | |
2699 | if (snd_soc_volsw_is_stereo(mc)) { | |
2700 | if (reg == reg2) | |
907fe36a LPC |
2701 | ret = snd_soc_read_signed(component, reg, mask, rshift, |
2702 | sign_bit, &val); | |
f7915d99 | 2703 | else |
907fe36a LPC |
2704 | ret = snd_soc_read_signed(component, reg2, mask, shift, |
2705 | sign_bit, &val); | |
2706 | if (ret) | |
2707 | return ret; | |
2708 | ||
2709 | ucontrol->value.integer.value[1] = val - min; | |
f7915d99 | 2710 | if (invert) |
db2a4165 | 2711 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2712 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2713 | } |
2714 | ||
2715 | return 0; | |
2716 | } | |
2717 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2718 | ||
2719 | /** | |
2720 | * snd_soc_put_volsw - single mixer put callback | |
2721 | * @kcontrol: mixer control | |
ac11a2b3 | 2722 | * @ucontrol: control element information |
db2a4165 | 2723 | * |
974815ba PU |
2724 | * Callback to set the value of a single mixer control, or a double mixer |
2725 | * control that spans 2 registers. | |
db2a4165 FM |
2726 | * |
2727 | * Returns 0 for success. | |
2728 | */ | |
2729 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2730 | struct snd_ctl_elem_value *ucontrol) | |
2731 | { | |
907fe36a | 2732 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2733 | struct soc_mixer_control *mc = |
2734 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2735 | unsigned int reg = mc->reg; |
974815ba | 2736 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2737 | unsigned int shift = mc->shift; |
2738 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2739 | int max = mc->max; |
f227b88f MP |
2740 | int min = mc->min; |
2741 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2742 | unsigned int mask = (1 << fls(max)) - 1; |
2743 | unsigned int invert = mc->invert; | |
974815ba | 2744 | int err; |
939d9f16 | 2745 | bool type_2r = false; |
974815ba PU |
2746 | unsigned int val2 = 0; |
2747 | unsigned int val, val_mask; | |
db2a4165 | 2748 | |
f227b88f MP |
2749 | if (sign_bit) |
2750 | mask = BIT(sign_bit + 1) - 1; | |
2751 | ||
2752 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2753 | if (invert) |
a7a4ac86 | 2754 | val = max - val; |
db2a4165 FM |
2755 | val_mask = mask << shift; |
2756 | val = val << shift; | |
974815ba | 2757 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2758 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2759 | if (invert) |
a7a4ac86 | 2760 | val2 = max - val2; |
974815ba PU |
2761 | if (reg == reg2) { |
2762 | val_mask |= mask << rshift; | |
2763 | val |= val2 << rshift; | |
2764 | } else { | |
2765 | val2 = val2 << shift; | |
939d9f16 | 2766 | type_2r = true; |
974815ba | 2767 | } |
db2a4165 | 2768 | } |
907fe36a | 2769 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
3ff3f64b | 2770 | if (err < 0) |
db2a4165 FM |
2771 | return err; |
2772 | ||
974815ba | 2773 | if (type_2r) |
907fe36a LPC |
2774 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2775 | val2); | |
974815ba | 2776 | |
db2a4165 FM |
2777 | return err; |
2778 | } | |
974815ba | 2779 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2780 | |
1d99f243 BA |
2781 | /** |
2782 | * snd_soc_get_volsw_sx - single mixer get callback | |
2783 | * @kcontrol: mixer control | |
2784 | * @ucontrol: control element information | |
2785 | * | |
2786 | * Callback to get the value of a single mixer control, or a double mixer | |
2787 | * control that spans 2 registers. | |
2788 | * | |
2789 | * Returns 0 for success. | |
2790 | */ | |
2791 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2792 | struct snd_ctl_elem_value *ucontrol) | |
2793 | { | |
907fe36a | 2794 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2795 | struct soc_mixer_control *mc = |
2796 | (struct soc_mixer_control *)kcontrol->private_value; | |
1d99f243 BA |
2797 | unsigned int reg = mc->reg; |
2798 | unsigned int reg2 = mc->rreg; | |
2799 | unsigned int shift = mc->shift; | |
2800 | unsigned int rshift = mc->rshift; | |
2801 | int max = mc->max; | |
2802 | int min = mc->min; | |
2803 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
907fe36a LPC |
2804 | unsigned int val; |
2805 | int ret; | |
1d99f243 | 2806 | |
907fe36a LPC |
2807 | ret = snd_soc_component_read(component, reg, &val); |
2808 | if (ret < 0) | |
2809 | return ret; | |
1d99f243 | 2810 | |
907fe36a LPC |
2811 | ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask; |
2812 | ||
2813 | if (snd_soc_volsw_is_stereo(mc)) { | |
2814 | ret = snd_soc_component_read(component, reg2, &val); | |
2815 | if (ret < 0) | |
2816 | return ret; | |
2817 | ||
2818 | val = ((val >> rshift) - min) & mask; | |
2819 | ucontrol->value.integer.value[1] = val; | |
2820 | } | |
1d99f243 BA |
2821 | |
2822 | return 0; | |
2823 | } | |
2824 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2825 | ||
2826 | /** | |
2827 | * snd_soc_put_volsw_sx - double mixer set callback | |
2828 | * @kcontrol: mixer control | |
2829 | * @uinfo: control element information | |
2830 | * | |
2831 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2832 | * | |
2833 | * Returns 0 for success. | |
2834 | */ | |
2835 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2836 | struct snd_ctl_elem_value *ucontrol) | |
2837 | { | |
907fe36a | 2838 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2839 | struct soc_mixer_control *mc = |
2840 | (struct soc_mixer_control *)kcontrol->private_value; | |
2841 | ||
2842 | unsigned int reg = mc->reg; | |
2843 | unsigned int reg2 = mc->rreg; | |
2844 | unsigned int shift = mc->shift; | |
2845 | unsigned int rshift = mc->rshift; | |
2846 | int max = mc->max; | |
2847 | int min = mc->min; | |
2848 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2849 | int err = 0; |
1a39019e | 2850 | unsigned int val, val_mask, val2 = 0; |
1d99f243 BA |
2851 | |
2852 | val_mask = mask << shift; | |
2853 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2854 | val = val << shift; | |
2855 | ||
907fe36a | 2856 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
d055852e MN |
2857 | if (err < 0) |
2858 | return err; | |
1d99f243 BA |
2859 | |
2860 | if (snd_soc_volsw_is_stereo(mc)) { | |
2861 | val_mask = mask << rshift; | |
2862 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2863 | val2 = val2 << rshift; | |
2864 | ||
907fe36a LPC |
2865 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2866 | val2); | |
1d99f243 | 2867 | } |
907fe36a | 2868 | return err; |
1d99f243 BA |
2869 | } |
2870 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2871 | ||
e13ac2e9 MB |
2872 | /** |
2873 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2874 | * @kcontrol: mixer control | |
2875 | * @uinfo: control element information | |
2876 | * | |
2877 | * Callback to provide information about a signed mixer control. | |
2878 | * | |
2879 | * Returns 0 for success. | |
2880 | */ | |
2881 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2882 | struct snd_ctl_elem_info *uinfo) | |
2883 | { | |
4eaa9819 JS |
2884 | struct soc_mixer_control *mc = |
2885 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2886 | int platform_max; |
4eaa9819 | 2887 | int min = mc->min; |
e13ac2e9 | 2888 | |
d11bb4a9 PU |
2889 | if (!mc->platform_max) |
2890 | mc->platform_max = mc->max; | |
2891 | platform_max = mc->platform_max; | |
2892 | ||
e13ac2e9 MB |
2893 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2894 | uinfo->count = 2; | |
2895 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2896 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2897 | return 0; |
2898 | } | |
2899 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2900 | ||
2901 | /** | |
2902 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2903 | * @kcontrol: mixer control | |
ac11a2b3 | 2904 | * @ucontrol: control element information |
e13ac2e9 MB |
2905 | * |
2906 | * Callback to get the value of a signed mixer control. | |
2907 | * | |
2908 | * Returns 0 for success. | |
2909 | */ | |
2910 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2911 | struct snd_ctl_elem_value *ucontrol) | |
2912 | { | |
4eaa9819 JS |
2913 | struct soc_mixer_control *mc = |
2914 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2915 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2916 | unsigned int reg = mc->reg; |
907fe36a | 2917 | unsigned int val; |
4eaa9819 | 2918 | int min = mc->min; |
907fe36a LPC |
2919 | int ret; |
2920 | ||
2921 | ret = snd_soc_component_read(component, reg, &val); | |
2922 | if (ret) | |
2923 | return ret; | |
e13ac2e9 MB |
2924 | |
2925 | ucontrol->value.integer.value[0] = | |
2926 | ((signed char)(val & 0xff))-min; | |
2927 | ucontrol->value.integer.value[1] = | |
2928 | ((signed char)((val >> 8) & 0xff))-min; | |
2929 | return 0; | |
2930 | } | |
2931 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2932 | ||
2933 | /** | |
2934 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2935 | * @kcontrol: mixer control | |
ac11a2b3 | 2936 | * @ucontrol: control element information |
e13ac2e9 MB |
2937 | * |
2938 | * Callback to set the value of a signed mixer control. | |
2939 | * | |
2940 | * Returns 0 for success. | |
2941 | */ | |
2942 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2943 | struct snd_ctl_elem_value *ucontrol) | |
2944 | { | |
4eaa9819 JS |
2945 | struct soc_mixer_control *mc = |
2946 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2947 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2948 | unsigned int reg = mc->reg; |
4eaa9819 | 2949 | int min = mc->min; |
46f5822f | 2950 | unsigned int val; |
e13ac2e9 MB |
2951 | |
2952 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2953 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2954 | ||
907fe36a | 2955 | return snd_soc_component_update_bits(component, reg, 0xffff, val); |
e13ac2e9 MB |
2956 | } |
2957 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2958 | ||
6c9d8cf6 AT |
2959 | /** |
2960 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2961 | * @kcontrol: mixer control | |
2962 | * @uinfo: control element information | |
2963 | * | |
2964 | * Callback to provide information, within a range, about a single | |
2965 | * mixer control. | |
2966 | * | |
2967 | * returns 0 for success. | |
2968 | */ | |
2969 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2970 | struct snd_ctl_elem_info *uinfo) | |
2971 | { | |
2972 | struct soc_mixer_control *mc = | |
2973 | (struct soc_mixer_control *)kcontrol->private_value; | |
2974 | int platform_max; | |
2975 | int min = mc->min; | |
2976 | ||
2977 | if (!mc->platform_max) | |
2978 | mc->platform_max = mc->max; | |
2979 | platform_max = mc->platform_max; | |
2980 | ||
2981 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2982 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2983 | uinfo->value.integer.min = 0; |
2984 | uinfo->value.integer.max = platform_max - min; | |
2985 | ||
2986 | return 0; | |
2987 | } | |
2988 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2989 | ||
2990 | /** | |
2991 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2992 | * @kcontrol: mixer control | |
2993 | * @ucontrol: control element information | |
2994 | * | |
2995 | * Callback to set the value, within a range, for a single mixer control. | |
2996 | * | |
2997 | * Returns 0 for success. | |
2998 | */ | |
2999 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
3000 | struct snd_ctl_elem_value *ucontrol) | |
3001 | { | |
3002 | struct soc_mixer_control *mc = | |
3003 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 3004 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 | 3005 | unsigned int reg = mc->reg; |
9bde4f0b | 3006 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3007 | unsigned int shift = mc->shift; |
3008 | int min = mc->min; | |
3009 | int max = mc->max; | |
3010 | unsigned int mask = (1 << fls(max)) - 1; | |
3011 | unsigned int invert = mc->invert; | |
3012 | unsigned int val, val_mask; | |
9bde4f0b | 3013 | int ret; |
6c9d8cf6 AT |
3014 | |
3015 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
3016 | if (invert) | |
3017 | val = max - val; | |
3018 | val_mask = mask << shift; | |
3019 | val = val << shift; | |
3020 | ||
907fe36a | 3021 | ret = snd_soc_component_update_bits(component, reg, val_mask, val); |
0eaa6cca | 3022 | if (ret < 0) |
9bde4f0b MB |
3023 | return ret; |
3024 | ||
3025 | if (snd_soc_volsw_is_stereo(mc)) { | |
3026 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
3027 | if (invert) | |
3028 | val = max - val; | |
3029 | val_mask = mask << shift; | |
3030 | val = val << shift; | |
3031 | ||
907fe36a LPC |
3032 | ret = snd_soc_component_update_bits(component, rreg, val_mask, |
3033 | val); | |
9bde4f0b MB |
3034 | } |
3035 | ||
3036 | return ret; | |
6c9d8cf6 AT |
3037 | } |
3038 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
3039 | ||
3040 | /** | |
3041 | * snd_soc_get_volsw_range - single mixer get callback with range | |
3042 | * @kcontrol: mixer control | |
3043 | * @ucontrol: control element information | |
3044 | * | |
3045 | * Callback to get the value, within a range, of a single mixer control. | |
3046 | * | |
3047 | * Returns 0 for success. | |
3048 | */ | |
3049 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3050 | struct snd_ctl_elem_value *ucontrol) | |
3051 | { | |
907fe36a | 3052 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 AT |
3053 | struct soc_mixer_control *mc = |
3054 | (struct soc_mixer_control *)kcontrol->private_value; | |
6c9d8cf6 | 3055 | unsigned int reg = mc->reg; |
9bde4f0b | 3056 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3057 | unsigned int shift = mc->shift; |
3058 | int min = mc->min; | |
3059 | int max = mc->max; | |
3060 | unsigned int mask = (1 << fls(max)) - 1; | |
3061 | unsigned int invert = mc->invert; | |
907fe36a LPC |
3062 | unsigned int val; |
3063 | int ret; | |
6c9d8cf6 | 3064 | |
907fe36a LPC |
3065 | ret = snd_soc_component_read(component, reg, &val); |
3066 | if (ret) | |
3067 | return ret; | |
3068 | ||
3069 | ucontrol->value.integer.value[0] = (val >> shift) & mask; | |
6c9d8cf6 AT |
3070 | if (invert) |
3071 | ucontrol->value.integer.value[0] = | |
3072 | max - ucontrol->value.integer.value[0]; | |
3073 | ucontrol->value.integer.value[0] = | |
3074 | ucontrol->value.integer.value[0] - min; | |
3075 | ||
9bde4f0b | 3076 | if (snd_soc_volsw_is_stereo(mc)) { |
907fe36a LPC |
3077 | ret = snd_soc_component_read(component, rreg, &val); |
3078 | if (ret) | |
3079 | return ret; | |
3080 | ||
3081 | ucontrol->value.integer.value[1] = (val >> shift) & mask; | |
9bde4f0b MB |
3082 | if (invert) |
3083 | ucontrol->value.integer.value[1] = | |
3084 | max - ucontrol->value.integer.value[1]; | |
3085 | ucontrol->value.integer.value[1] = | |
3086 | ucontrol->value.integer.value[1] - min; | |
3087 | } | |
3088 | ||
6c9d8cf6 AT |
3089 | return 0; |
3090 | } | |
3091 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3092 | ||
637d3847 PU |
3093 | /** |
3094 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3095 | * | |
3096 | * @codec: where to look for the control | |
3097 | * @name: Name of the control | |
3098 | * @max: new maximum limit | |
3099 | * | |
3100 | * Return 0 for success, else error. | |
3101 | */ | |
3102 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3103 | const char *name, int max) | |
3104 | { | |
00200107 | 3105 | struct snd_card *card = codec->component.card->snd_card; |
637d3847 PU |
3106 | struct snd_kcontrol *kctl; |
3107 | struct soc_mixer_control *mc; | |
3108 | int found = 0; | |
3109 | int ret = -EINVAL; | |
3110 | ||
3111 | /* Sanity check for name and max */ | |
3112 | if (unlikely(!name || max <= 0)) | |
3113 | return -EINVAL; | |
3114 | ||
3115 | list_for_each_entry(kctl, &card->controls, list) { | |
3116 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3117 | found = 1; | |
3118 | break; | |
3119 | } | |
3120 | } | |
3121 | if (found) { | |
3122 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3123 | if (max <= mc->max) { | |
d11bb4a9 | 3124 | mc->platform_max = max; |
637d3847 PU |
3125 | ret = 0; |
3126 | } | |
3127 | } | |
3128 | return ret; | |
3129 | } | |
3130 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3131 | ||
71d08516 MB |
3132 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3133 | struct snd_ctl_elem_info *uinfo) | |
3134 | { | |
907fe36a | 3135 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 MB |
3136 | struct soc_bytes *params = (void *)kcontrol->private_value; |
3137 | ||
3138 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
907fe36a | 3139 | uinfo->count = params->num_regs * component->val_bytes; |
71d08516 MB |
3140 | |
3141 | return 0; | |
3142 | } | |
3143 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3144 | ||
3145 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3146 | struct snd_ctl_elem_value *ucontrol) | |
3147 | { | |
907fe36a | 3148 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3149 | struct soc_bytes *params = (void *)kcontrol->private_value; |
71d08516 MB |
3150 | int ret; |
3151 | ||
907fe36a LPC |
3152 | if (component->regmap) |
3153 | ret = regmap_raw_read(component->regmap, params->base, | |
71d08516 | 3154 | ucontrol->value.bytes.data, |
907fe36a | 3155 | params->num_regs * component->val_bytes); |
71d08516 MB |
3156 | else |
3157 | ret = -EINVAL; | |
3158 | ||
f831b055 MB |
3159 | /* Hide any masked bytes to ensure consistent data reporting */ |
3160 | if (ret == 0 && params->mask) { | |
907fe36a | 3161 | switch (component->val_bytes) { |
f831b055 MB |
3162 | case 1: |
3163 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3164 | break; | |
3165 | case 2: | |
3166 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3167 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
3168 | break; |
3169 | case 4: | |
3170 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3171 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
3172 | break; |
3173 | default: | |
3174 | return -EINVAL; | |
3175 | } | |
3176 | } | |
3177 | ||
71d08516 MB |
3178 | return ret; |
3179 | } | |
3180 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3181 | ||
3182 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3183 | struct snd_ctl_elem_value *ucontrol) | |
3184 | { | |
907fe36a | 3185 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3186 | struct soc_bytes *params = (void *)kcontrol->private_value; |
f831b055 | 3187 | int ret, len; |
a1a564ed | 3188 | unsigned int val, mask; |
f831b055 | 3189 | void *data; |
71d08516 | 3190 | |
907fe36a | 3191 | if (!component->regmap) |
f831b055 MB |
3192 | return -EINVAL; |
3193 | ||
907fe36a | 3194 | len = params->num_regs * component->val_bytes; |
f831b055 | 3195 | |
b5a8fe43 MB |
3196 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3197 | if (!data) | |
3198 | return -ENOMEM; | |
3199 | ||
f831b055 MB |
3200 | /* |
3201 | * If we've got a mask then we need to preserve the register | |
3202 | * bits. We shouldn't modify the incoming data so take a | |
3203 | * copy. | |
3204 | */ | |
3205 | if (params->mask) { | |
907fe36a | 3206 | ret = regmap_read(component->regmap, params->base, &val); |
f831b055 | 3207 | if (ret != 0) |
e8b18add | 3208 | goto out; |
f831b055 MB |
3209 | |
3210 | val &= params->mask; | |
3211 | ||
907fe36a | 3212 | switch (component->val_bytes) { |
f831b055 MB |
3213 | case 1: |
3214 | ((u8 *)data)[0] &= ~params->mask; | |
3215 | ((u8 *)data)[0] |= val; | |
3216 | break; | |
3217 | case 2: | |
a1a564ed | 3218 | mask = ~params->mask; |
907fe36a | 3219 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3220 | &mask, &mask); |
3221 | if (ret != 0) | |
3222 | goto out; | |
3223 | ||
3224 | ((u16 *)data)[0] &= mask; | |
3225 | ||
907fe36a | 3226 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3227 | &val, &val); |
3228 | if (ret != 0) | |
3229 | goto out; | |
3230 | ||
3231 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
3232 | break; |
3233 | case 4: | |
a1a564ed | 3234 | mask = ~params->mask; |
907fe36a | 3235 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3236 | &mask, &mask); |
3237 | if (ret != 0) | |
3238 | goto out; | |
3239 | ||
3240 | ((u32 *)data)[0] &= mask; | |
3241 | ||
907fe36a | 3242 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3243 | &val, &val); |
3244 | if (ret != 0) | |
3245 | goto out; | |
3246 | ||
3247 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
3248 | break; |
3249 | default: | |
e8b18add WY |
3250 | ret = -EINVAL; |
3251 | goto out; | |
f831b055 MB |
3252 | } |
3253 | } | |
3254 | ||
907fe36a | 3255 | ret = regmap_raw_write(component->regmap, params->base, |
f831b055 MB |
3256 | data, len); |
3257 | ||
e8b18add | 3258 | out: |
b5a8fe43 | 3259 | kfree(data); |
71d08516 MB |
3260 | |
3261 | return ret; | |
3262 | } | |
3263 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3264 | ||
d9881208 VK |
3265 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
3266 | struct snd_ctl_elem_info *ucontrol) | |
3267 | { | |
3268 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
3269 | ||
3270 | ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3271 | ucontrol->count = params->max; | |
3272 | ||
3273 | return 0; | |
3274 | } | |
3275 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext); | |
3276 | ||
4183eed2 KK |
3277 | /** |
3278 | * snd_soc_info_xr_sx - signed multi register info callback | |
3279 | * @kcontrol: mreg control | |
3280 | * @uinfo: control element information | |
3281 | * | |
3282 | * Callback to provide information of a control that can | |
3283 | * span multiple codec registers which together | |
3284 | * forms a single signed value in a MSB/LSB manner. | |
3285 | * | |
3286 | * Returns 0 for success. | |
3287 | */ | |
3288 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3289 | struct snd_ctl_elem_info *uinfo) | |
3290 | { | |
3291 | struct soc_mreg_control *mc = | |
3292 | (struct soc_mreg_control *)kcontrol->private_value; | |
3293 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3294 | uinfo->count = 1; | |
3295 | uinfo->value.integer.min = mc->min; | |
3296 | uinfo->value.integer.max = mc->max; | |
3297 | ||
3298 | return 0; | |
3299 | } | |
3300 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3301 | ||
3302 | /** | |
3303 | * snd_soc_get_xr_sx - signed multi register get callback | |
3304 | * @kcontrol: mreg control | |
3305 | * @ucontrol: control element information | |
3306 | * | |
3307 | * Callback to get the value of a control that can span | |
3308 | * multiple codec registers which together forms a single | |
3309 | * signed value in a MSB/LSB manner. The control supports | |
3310 | * specifying total no of bits used to allow for bitfields | |
3311 | * across the multiple codec registers. | |
3312 | * | |
3313 | * Returns 0 for success. | |
3314 | */ | |
3315 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3316 | struct snd_ctl_elem_value *ucontrol) | |
3317 | { | |
907fe36a | 3318 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3319 | struct soc_mreg_control *mc = |
3320 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3321 | unsigned int regbase = mc->regbase; |
3322 | unsigned int regcount = mc->regcount; | |
907fe36a | 3323 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3324 | unsigned int regwmask = (1<<regwshift)-1; |
3325 | unsigned int invert = mc->invert; | |
3326 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3327 | long min = mc->min; | |
3328 | long max = mc->max; | |
3329 | long val = 0; | |
907fe36a | 3330 | unsigned int regval; |
4183eed2 | 3331 | unsigned int i; |
907fe36a | 3332 | int ret; |
4183eed2 KK |
3333 | |
3334 | for (i = 0; i < regcount; i++) { | |
907fe36a LPC |
3335 | ret = snd_soc_component_read(component, regbase+i, ®val); |
3336 | if (ret) | |
3337 | return ret; | |
3338 | val |= (regval & regwmask) << (regwshift*(regcount-i-1)); | |
4183eed2 KK |
3339 | } |
3340 | val &= mask; | |
3341 | if (min < 0 && val > max) | |
3342 | val |= ~mask; | |
3343 | if (invert) | |
3344 | val = max - val; | |
3345 | ucontrol->value.integer.value[0] = val; | |
3346 | ||
3347 | return 0; | |
3348 | } | |
3349 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3350 | ||
3351 | /** | |
3352 | * snd_soc_put_xr_sx - signed multi register get callback | |
3353 | * @kcontrol: mreg control | |
3354 | * @ucontrol: control element information | |
3355 | * | |
3356 | * Callback to set the value of a control that can span | |
3357 | * multiple codec registers which together forms a single | |
3358 | * signed value in a MSB/LSB manner. The control supports | |
3359 | * specifying total no of bits used to allow for bitfields | |
3360 | * across the multiple codec registers. | |
3361 | * | |
3362 | * Returns 0 for success. | |
3363 | */ | |
3364 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3365 | struct snd_ctl_elem_value *ucontrol) | |
3366 | { | |
907fe36a | 3367 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3368 | struct soc_mreg_control *mc = |
3369 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3370 | unsigned int regbase = mc->regbase; |
3371 | unsigned int regcount = mc->regcount; | |
907fe36a | 3372 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3373 | unsigned int regwmask = (1<<regwshift)-1; |
3374 | unsigned int invert = mc->invert; | |
3375 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3376 | long max = mc->max; |
3377 | long val = ucontrol->value.integer.value[0]; | |
3378 | unsigned int i, regval, regmask; | |
3379 | int err; | |
3380 | ||
3381 | if (invert) | |
3382 | val = max - val; | |
3383 | val &= mask; | |
3384 | for (i = 0; i < regcount; i++) { | |
3385 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3386 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
907fe36a | 3387 | err = snd_soc_component_update_bits(component, regbase+i, |
4183eed2 KK |
3388 | regmask, regval); |
3389 | if (err < 0) | |
3390 | return err; | |
3391 | } | |
3392 | ||
3393 | return 0; | |
3394 | } | |
3395 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3396 | ||
dd7b10b3 KK |
3397 | /** |
3398 | * snd_soc_get_strobe - strobe get callback | |
3399 | * @kcontrol: mixer control | |
3400 | * @ucontrol: control element information | |
3401 | * | |
3402 | * Callback get the value of a strobe mixer control. | |
3403 | * | |
3404 | * Returns 0 for success. | |
3405 | */ | |
3406 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3407 | struct snd_ctl_elem_value *ucontrol) | |
3408 | { | |
907fe36a | 3409 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3410 | struct soc_mixer_control *mc = |
3411 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3412 | unsigned int reg = mc->reg; |
3413 | unsigned int shift = mc->shift; | |
3414 | unsigned int mask = 1 << shift; | |
3415 | unsigned int invert = mc->invert != 0; | |
907fe36a LPC |
3416 | unsigned int val; |
3417 | int ret; | |
3418 | ||
3419 | ret = snd_soc_component_read(component, reg, &val); | |
3420 | if (ret) | |
3421 | return ret; | |
3422 | ||
3423 | val &= mask; | |
dd7b10b3 KK |
3424 | |
3425 | if (shift != 0 && val != 0) | |
3426 | val = val >> shift; | |
3427 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3428 | ||
3429 | return 0; | |
3430 | } | |
3431 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3432 | ||
3433 | /** | |
3434 | * snd_soc_put_strobe - strobe put callback | |
3435 | * @kcontrol: mixer control | |
3436 | * @ucontrol: control element information | |
3437 | * | |
3438 | * Callback strobe a register bit to high then low (or the inverse) | |
3439 | * in one pass of a single mixer enum control. | |
3440 | * | |
3441 | * Returns 1 for success. | |
3442 | */ | |
3443 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3444 | struct snd_ctl_elem_value *ucontrol) | |
3445 | { | |
907fe36a | 3446 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3447 | struct soc_mixer_control *mc = |
3448 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3449 | unsigned int reg = mc->reg; |
3450 | unsigned int shift = mc->shift; | |
3451 | unsigned int mask = 1 << shift; | |
3452 | unsigned int invert = mc->invert != 0; | |
3453 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3454 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3455 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3456 | int err; | |
3457 | ||
907fe36a | 3458 | err = snd_soc_component_update_bits(component, reg, mask, val1); |
dd7b10b3 KK |
3459 | if (err < 0) |
3460 | return err; | |
3461 | ||
907fe36a | 3462 | return snd_soc_component_update_bits(component, reg, mask, val2); |
dd7b10b3 KK |
3463 | } |
3464 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3465 | ||
8c6529db LG |
3466 | /** |
3467 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3468 | * @dai: DAI | |
3469 | * @clk_id: DAI specific clock ID | |
3470 | * @freq: new clock frequency in Hz | |
3471 | * @dir: new clock direction - input/output. | |
3472 | * | |
3473 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3474 | */ | |
3475 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3476 | unsigned int freq, int dir) | |
3477 | { | |
f0fba2ad LG |
3478 | if (dai->driver && dai->driver->ops->set_sysclk) |
3479 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3480 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3481 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3482 | freq, dir); |
8c6529db | 3483 | else |
1104a9c8 | 3484 | return -ENOTSUPP; |
8c6529db LG |
3485 | } |
3486 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3487 | ||
ec4ee52a MB |
3488 | /** |
3489 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3490 | * @codec: CODEC | |
3491 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3492 | * @source: Source for the clock |
ec4ee52a MB |
3493 | * @freq: new clock frequency in Hz |
3494 | * @dir: new clock direction - input/output. | |
3495 | * | |
3496 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3497 | */ | |
3498 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3499 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3500 | { |
3501 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3502 | return codec->driver->set_sysclk(codec, clk_id, source, |
3503 | freq, dir); | |
ec4ee52a | 3504 | else |
1104a9c8 | 3505 | return -ENOTSUPP; |
ec4ee52a MB |
3506 | } |
3507 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3508 | ||
8c6529db LG |
3509 | /** |
3510 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3511 | * @dai: DAI | |
ac11a2b3 | 3512 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3513 | * @div: new clock divisor. |
3514 | * | |
3515 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3516 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3517 | * and frame clocks as low as possible to save system power. | |
3518 | */ | |
3519 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3520 | int div_id, int div) | |
3521 | { | |
f0fba2ad LG |
3522 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3523 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3524 | else |
3525 | return -EINVAL; | |
3526 | } | |
3527 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3528 | ||
3529 | /** | |
3530 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3531 | * @dai: DAI | |
3532 | * @pll_id: DAI specific PLL ID | |
85488037 | 3533 | * @source: DAI specific source for the PLL |
8c6529db LG |
3534 | * @freq_in: PLL input clock frequency in Hz |
3535 | * @freq_out: requested PLL output clock frequency in Hz | |
3536 | * | |
3537 | * Configures and enables PLL to generate output clock based on input clock. | |
3538 | */ | |
85488037 MB |
3539 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3540 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3541 | { |
f0fba2ad LG |
3542 | if (dai->driver && dai->driver->ops->set_pll) |
3543 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3544 | freq_in, freq_out); |
ec4ee52a MB |
3545 | else if (dai->codec && dai->codec->driver->set_pll) |
3546 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3547 | freq_in, freq_out); | |
8c6529db LG |
3548 | else |
3549 | return -EINVAL; | |
3550 | } | |
3551 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3552 | ||
ec4ee52a MB |
3553 | /* |
3554 | * snd_soc_codec_set_pll - configure codec PLL. | |
3555 | * @codec: CODEC | |
3556 | * @pll_id: DAI specific PLL ID | |
3557 | * @source: DAI specific source for the PLL | |
3558 | * @freq_in: PLL input clock frequency in Hz | |
3559 | * @freq_out: requested PLL output clock frequency in Hz | |
3560 | * | |
3561 | * Configures and enables PLL to generate output clock based on input clock. | |
3562 | */ | |
3563 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3564 | unsigned int freq_in, unsigned int freq_out) | |
3565 | { | |
3566 | if (codec->driver->set_pll) | |
3567 | return codec->driver->set_pll(codec, pll_id, source, | |
3568 | freq_in, freq_out); | |
3569 | else | |
3570 | return -EINVAL; | |
3571 | } | |
3572 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3573 | ||
e54cf76b LG |
3574 | /** |
3575 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3576 | * @dai: DAI | |
3577 | * @ratio Ratio of BCLK to Sample rate. | |
3578 | * | |
3579 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3580 | */ | |
3581 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3582 | { | |
3583 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3584 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3585 | else | |
3586 | return -EINVAL; | |
3587 | } | |
3588 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3589 | ||
8c6529db LG |
3590 | /** |
3591 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3592 | * @dai: DAI | |
8c6529db LG |
3593 | * @fmt: SND_SOC_DAIFMT_ format value. |
3594 | * | |
3595 | * Configures the DAI hardware format and clocking. | |
3596 | */ | |
3597 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3598 | { | |
5e4ba569 | 3599 | if (dai->driver == NULL) |
8c6529db | 3600 | return -EINVAL; |
5e4ba569 SG |
3601 | if (dai->driver->ops->set_fmt == NULL) |
3602 | return -ENOTSUPP; | |
3603 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3604 | } |
3605 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3606 | ||
89c67857 | 3607 | /** |
e5c21514 | 3608 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3609 | * @slots: Number of slots in use. |
3610 | * @tx_mask: bitmask representing active TX slots. | |
3611 | * @rx_mask: bitmask representing active RX slots. | |
3612 | * | |
3613 | * Generates the TDM tx and rx slot default masks for DAI. | |
3614 | */ | |
e5c21514 | 3615 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3616 | unsigned int *tx_mask, |
3617 | unsigned int *rx_mask) | |
3618 | { | |
3619 | if (*tx_mask || *rx_mask) | |
3620 | return 0; | |
3621 | ||
3622 | if (!slots) | |
3623 | return -EINVAL; | |
3624 | ||
3625 | *tx_mask = (1 << slots) - 1; | |
3626 | *rx_mask = (1 << slots) - 1; | |
3627 | ||
3628 | return 0; | |
3629 | } | |
3630 | ||
8c6529db LG |
3631 | /** |
3632 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3633 | * @dai: DAI | |
a5479e38 DR |
3634 | * @tx_mask: bitmask representing active TX slots. |
3635 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3636 | * @slots: Number of slots in use. |
a5479e38 | 3637 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3638 | * |
3639 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3640 | * specific. | |
3641 | */ | |
3642 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3643 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3644 | { |
e5c21514 XL |
3645 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3646 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3647 | &tx_mask, &rx_mask); |
3648 | else | |
e5c21514 | 3649 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3650 | |
88bd870f BC |
3651 | dai->tx_mask = tx_mask; |
3652 | dai->rx_mask = rx_mask; | |
3653 | ||
f0fba2ad LG |
3654 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3655 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3656 | slots, slot_width); |
8c6529db | 3657 | else |
b2cbb6e1 | 3658 | return -ENOTSUPP; |
8c6529db LG |
3659 | } |
3660 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3661 | ||
472df3cb BS |
3662 | /** |
3663 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3664 | * @dai: DAI | |
3665 | * @tx_num: how many TX channels | |
3666 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3667 | * 0~num-1 uses | |
3668 | * @rx_num: how many RX channels | |
3669 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3670 | * 0~num-1 uses | |
3671 | * | |
3672 | * configure the relationship between channel number and TDM slot number. | |
3673 | */ | |
3674 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3675 | unsigned int tx_num, unsigned int *tx_slot, | |
3676 | unsigned int rx_num, unsigned int *rx_slot) | |
3677 | { | |
f0fba2ad LG |
3678 | if (dai->driver && dai->driver->ops->set_channel_map) |
3679 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3680 | rx_num, rx_slot); |
3681 | else | |
3682 | return -EINVAL; | |
3683 | } | |
3684 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3685 | ||
8c6529db LG |
3686 | /** |
3687 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3688 | * @dai: DAI | |
3689 | * @tristate: tristate enable | |
3690 | * | |
3691 | * Tristates the DAI so that others can use it. | |
3692 | */ | |
3693 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3694 | { | |
f0fba2ad LG |
3695 | if (dai->driver && dai->driver->ops->set_tristate) |
3696 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3697 | else |
3698 | return -EINVAL; | |
3699 | } | |
3700 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3701 | ||
3702 | /** | |
3703 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3704 | * @dai: DAI | |
3705 | * @mute: mute enable | |
da18396f | 3706 | * @direction: stream to mute |
8c6529db LG |
3707 | * |
3708 | * Mutes the DAI DAC. | |
3709 | */ | |
da18396f MB |
3710 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3711 | int direction) | |
8c6529db | 3712 | { |
da18396f MB |
3713 | if (!dai->driver) |
3714 | return -ENOTSUPP; | |
3715 | ||
3716 | if (dai->driver->ops->mute_stream) | |
3717 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3718 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3719 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3720 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3721 | else |
04570c62 | 3722 | return -ENOTSUPP; |
8c6529db LG |
3723 | } |
3724 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3725 | ||
88bd870f BC |
3726 | static int snd_soc_init_multicodec(struct snd_soc_card *card, |
3727 | struct snd_soc_dai_link *dai_link) | |
3728 | { | |
3729 | /* Legacy codec/codec_dai link is a single entry in multicodec */ | |
3730 | if (dai_link->codec_name || dai_link->codec_of_node || | |
3731 | dai_link->codec_dai_name) { | |
3732 | dai_link->num_codecs = 1; | |
3733 | ||
3734 | dai_link->codecs = devm_kzalloc(card->dev, | |
3735 | sizeof(struct snd_soc_dai_link_component), | |
3736 | GFP_KERNEL); | |
3737 | if (!dai_link->codecs) | |
3738 | return -ENOMEM; | |
3739 | ||
3740 | dai_link->codecs[0].name = dai_link->codec_name; | |
3741 | dai_link->codecs[0].of_node = dai_link->codec_of_node; | |
3742 | dai_link->codecs[0].dai_name = dai_link->codec_dai_name; | |
3743 | } | |
3744 | ||
3745 | if (!dai_link->codecs) { | |
3746 | dev_err(card->dev, "ASoC: DAI link has no CODECs\n"); | |
3747 | return -EINVAL; | |
3748 | } | |
3749 | ||
3750 | return 0; | |
3751 | } | |
3752 | ||
c5af3a2e MB |
3753 | /** |
3754 | * snd_soc_register_card - Register a card with the ASoC core | |
3755 | * | |
ac11a2b3 | 3756 | * @card: Card to register |
c5af3a2e | 3757 | * |
c5af3a2e | 3758 | */ |
70a7ca34 | 3759 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3760 | { |
88bd870f | 3761 | int i, j, ret; |
f0fba2ad | 3762 | |
c5af3a2e MB |
3763 | if (!card->name || !card->dev) |
3764 | return -EINVAL; | |
3765 | ||
5a504963 SW |
3766 | for (i = 0; i < card->num_links; i++) { |
3767 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3768 | ||
88bd870f BC |
3769 | ret = snd_soc_init_multicodec(card, link); |
3770 | if (ret) { | |
3771 | dev_err(card->dev, "ASoC: failed to init multicodec\n"); | |
3772 | return ret; | |
5a504963 | 3773 | } |
88bd870f BC |
3774 | |
3775 | for (j = 0; j < link->num_codecs; j++) { | |
3776 | /* | |
3777 | * Codec must be specified by 1 of name or OF node, | |
3778 | * not both or neither. | |
3779 | */ | |
3780 | if (!!link->codecs[j].name == | |
3781 | !!link->codecs[j].of_node) { | |
3782 | dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3783 | link->name); | |
3784 | return -EINVAL; | |
3785 | } | |
3786 | /* Codec DAI name must be specified */ | |
3787 | if (!link->codecs[j].dai_name) { | |
3788 | dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", | |
3789 | link->name); | |
3790 | return -EINVAL; | |
3791 | } | |
bc92657a | 3792 | } |
5a504963 SW |
3793 | |
3794 | /* | |
3795 | * Platform may be specified by either name or OF node, but | |
3796 | * can be left unspecified, and a dummy platform will be used. | |
3797 | */ | |
3798 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3799 | dev_err(card->dev, |
3800 | "ASoC: Both platform name/of_node are set for %s\n", | |
3801 | link->name); | |
5a504963 SW |
3802 | return -EINVAL; |
3803 | } | |
3804 | ||
3805 | /* | |
bc92657a SW |
3806 | * CPU device may be specified by either name or OF node, but |
3807 | * can be left unspecified, and will be matched based on DAI | |
3808 | * name alone.. | |
3809 | */ | |
3810 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3811 | dev_err(card->dev, |
3812 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3813 | link->name); | |
bc92657a SW |
3814 | return -EINVAL; |
3815 | } | |
3816 | /* | |
3817 | * At least one of CPU DAI name or CPU device name/node must be | |
3818 | * specified | |
5a504963 | 3819 | */ |
bc92657a SW |
3820 | if (!link->cpu_dai_name && |
3821 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3822 | dev_err(card->dev, |
3823 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3824 | link->name); | |
5a504963 SW |
3825 | return -EINVAL; |
3826 | } | |
3827 | } | |
3828 | ||
ed77cc12 MB |
3829 | dev_set_drvdata(card->dev, card); |
3830 | ||
111c6419 SW |
3831 | snd_soc_initialize_card_lists(card); |
3832 | ||
150dd2f8 VK |
3833 | soc_init_card_debugfs(card); |
3834 | ||
181a6892 MB |
3835 | card->rtd = devm_kzalloc(card->dev, |
3836 | sizeof(struct snd_soc_pcm_runtime) * | |
3837 | (card->num_links + card->num_aux_devs), | |
3838 | GFP_KERNEL); | |
f0fba2ad LG |
3839 | if (card->rtd == NULL) |
3840 | return -ENOMEM; | |
a7dbb603 | 3841 | card->num_rtd = 0; |
2eea392d | 3842 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad | 3843 | |
5f3484ac LPC |
3844 | for (i = 0; i < card->num_links; i++) { |
3845 | card->rtd[i].card = card; | |
f0fba2ad | 3846 | card->rtd[i].dai_link = &card->dai_link[i]; |
88bd870f BC |
3847 | card->rtd[i].codec_dais = devm_kzalloc(card->dev, |
3848 | sizeof(struct snd_soc_dai *) * | |
3849 | (card->rtd[i].dai_link->num_codecs), | |
3850 | GFP_KERNEL); | |
3851 | if (card->rtd[i].codec_dais == NULL) | |
3852 | return -ENOMEM; | |
5f3484ac LPC |
3853 | } |
3854 | ||
3855 | for (i = 0; i < card->num_aux_devs; i++) | |
3856 | card->rtd_aux[i].card = card; | |
f0fba2ad | 3857 | |
db432b41 | 3858 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3859 | card->instantiated = 0; |
f0fba2ad | 3860 | mutex_init(&card->mutex); |
a73fb2df | 3861 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3862 | |
b19e6e7b MB |
3863 | ret = snd_soc_instantiate_card(card); |
3864 | if (ret != 0) | |
3865 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3866 | |
988e8cc4 NC |
3867 | /* deactivate pins to sleep state */ |
3868 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
3869 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
3870 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
3871 | int j; | |
3872 | ||
3873 | for (j = 0; j < rtd->num_codecs; j++) { | |
3874 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
3875 | if (!codec_dai->active) | |
3876 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3877 | } | |
3878 | ||
988e8cc4 NC |
3879 | if (!cpu_dai->active) |
3880 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3881 | } | |
3882 | ||
b19e6e7b | 3883 | return ret; |
c5af3a2e | 3884 | } |
70a7ca34 | 3885 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3886 | |
3887 | /** | |
3888 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3889 | * | |
ac11a2b3 | 3890 | * @card: Card to unregister |
c5af3a2e | 3891 | * |
c5af3a2e | 3892 | */ |
70a7ca34 | 3893 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3894 | { |
b0e26485 VK |
3895 | if (card->instantiated) |
3896 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3897 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3898 | |
3899 | return 0; | |
3900 | } | |
70a7ca34 | 3901 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3902 | |
f0fba2ad LG |
3903 | /* |
3904 | * Simplify DAI link configuration by removing ".-1" from device names | |
3905 | * and sanitizing names. | |
3906 | */ | |
0b9a214a | 3907 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3908 | { |
3909 | char *found, name[NAME_SIZE]; | |
3910 | int id1, id2; | |
3911 | ||
3912 | if (dev_name(dev) == NULL) | |
3913 | return NULL; | |
3914 | ||
58818a77 | 3915 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3916 | |
3917 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3918 | found = strstr(name, dev->driver->name); | |
3919 | if (found) { | |
3920 | /* get ID */ | |
3921 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3922 | ||
3923 | /* discard ID from name if ID == -1 */ | |
3924 | if (*id == -1) | |
3925 | found[strlen(dev->driver->name)] = '\0'; | |
3926 | } | |
3927 | ||
3928 | } else { | |
3929 | /* I2C component devices are named "bus-addr" */ | |
3930 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3931 | char tmp[NAME_SIZE]; | |
3932 | ||
3933 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3934 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3935 | |
3936 | /* sanitize component name for DAI link creation */ | |
3937 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3938 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3939 | } else |
3940 | *id = 0; | |
3941 | } | |
3942 | ||
3943 | return kstrdup(name, GFP_KERNEL); | |
3944 | } | |
3945 | ||
3946 | /* | |
3947 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3948 | * any ".-1" and using the DAI name (instead of device name). | |
3949 | */ | |
3950 | static inline char *fmt_multiple_name(struct device *dev, | |
3951 | struct snd_soc_dai_driver *dai_drv) | |
3952 | { | |
3953 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3954 | dev_err(dev, |
3955 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3956 | dev_name(dev)); | |
f0fba2ad LG |
3957 | return NULL; |
3958 | } | |
3959 | ||
3960 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3961 | } | |
3962 | ||
9115171a | 3963 | /** |
32c9ba54 | 3964 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3965 | * |
32c9ba54 | 3966 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3967 | */ |
32c9ba54 | 3968 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3969 | { |
5c1d5f09 | 3970 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3971 | |
5c1d5f09 | 3972 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3973 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3974 | dai->name); | |
5c1d5f09 | 3975 | list_del(&dai->list); |
32c9ba54 | 3976 | kfree(dai->name); |
f0fba2ad | 3977 | kfree(dai); |
f0fba2ad | 3978 | } |
9115171a | 3979 | } |
9115171a MB |
3980 | |
3981 | /** | |
32c9ba54 | 3982 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 3983 | * |
6106d129 LPC |
3984 | * @component: The component the DAIs are registered for |
3985 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 3986 | * @count: Number of DAIs |
32c9ba54 LPC |
3987 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
3988 | * parent's name. | |
9115171a | 3989 | */ |
6106d129 | 3990 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
3991 | struct snd_soc_dai_driver *dai_drv, size_t count, |
3992 | bool legacy_dai_naming) | |
9115171a | 3993 | { |
6106d129 | 3994 | struct device *dev = component->dev; |
f0fba2ad | 3995 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
3996 | unsigned int i; |
3997 | int ret; | |
f0fba2ad | 3998 | |
f110bfc7 | 3999 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 4000 | |
bb13109d LPC |
4001 | component->dai_drv = dai_drv; |
4002 | component->num_dai = count; | |
4003 | ||
9115171a | 4004 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
4005 | |
4006 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
4007 | if (dai == NULL) { |
4008 | ret = -ENOMEM; | |
4009 | goto err; | |
4010 | } | |
f0fba2ad | 4011 | |
32c9ba54 LPC |
4012 | /* |
4013 | * Back in the old days when we still had component-less DAIs, | |
4014 | * instead of having a static name, component-less DAIs would | |
4015 | * inherit the name of the parent device so it is possible to | |
4016 | * register multiple instances of the DAI. We still need to keep | |
4017 | * the same naming style even though those DAIs are not | |
4018 | * component-less anymore. | |
4019 | */ | |
4020 | if (count == 1 && legacy_dai_naming) { | |
4021 | dai->name = fmt_single_name(dev, &dai->id); | |
4022 | } else { | |
4023 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
4024 | if (dai_drv[i].id) | |
4025 | dai->id = dai_drv[i].id; | |
4026 | else | |
4027 | dai->id = i; | |
4028 | } | |
f0fba2ad LG |
4029 | if (dai->name == NULL) { |
4030 | kfree(dai); | |
32c9ba54 | 4031 | ret = -ENOMEM; |
9115171a | 4032 | goto err; |
f0fba2ad LG |
4033 | } |
4034 | ||
6106d129 | 4035 | dai->component = component; |
f0fba2ad | 4036 | dai->dev = dev; |
f0fba2ad LG |
4037 | dai->driver = &dai_drv[i]; |
4038 | if (!dai->driver->ops) | |
4039 | dai->driver->ops = &null_dai_ops; | |
4040 | ||
1438c2f6 | 4041 | list_add(&dai->list, &component->dai_list); |
054880fe | 4042 | |
32c9ba54 | 4043 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
4044 | } |
4045 | ||
4046 | return 0; | |
4047 | ||
4048 | err: | |
32c9ba54 | 4049 | snd_soc_unregister_dais(component); |
9115171a MB |
4050 | |
4051 | return ret; | |
4052 | } | |
9115171a | 4053 | |
14e8bdeb LPC |
4054 | static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, |
4055 | enum snd_soc_dapm_type type, int subseq) | |
d191bd8d | 4056 | { |
14e8bdeb | 4057 | struct snd_soc_component *component = dapm->component; |
d191bd8d | 4058 | |
14e8bdeb LPC |
4059 | component->driver->seq_notifier(component, type, subseq); |
4060 | } | |
d191bd8d | 4061 | |
14e8bdeb LPC |
4062 | static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, |
4063 | int event) | |
4064 | { | |
4065 | struct snd_soc_component *component = dapm->component; | |
d191bd8d | 4066 | |
14e8bdeb LPC |
4067 | return component->driver->stream_event(component, event); |
4068 | } | |
e2c330b9 | 4069 | |
bb13109d LPC |
4070 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
4071 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 4072 | { |
ce0fc93a LPC |
4073 | struct snd_soc_dapm_context *dapm; |
4074 | ||
bb13109d LPC |
4075 | component->name = fmt_single_name(dev, &component->id); |
4076 | if (!component->name) { | |
4077 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
4078 | return -ENOMEM; |
4079 | } | |
4080 | ||
bb13109d LPC |
4081 | component->dev = dev; |
4082 | component->driver = driver; | |
d191bd8d | 4083 | |
ce0fc93a LPC |
4084 | if (!component->dapm_ptr) |
4085 | component->dapm_ptr = &component->dapm; | |
4086 | ||
4087 | dapm = component->dapm_ptr; | |
4088 | dapm->dev = dev; | |
4089 | dapm->component = component; | |
4090 | dapm->bias_level = SND_SOC_BIAS_OFF; | |
14e8bdeb LPC |
4091 | if (driver->seq_notifier) |
4092 | dapm->seq_notifier = snd_soc_component_seq_notifier; | |
4093 | if (driver->stream_event) | |
4094 | dapm->stream_event = snd_soc_component_stream_event; | |
d191bd8d | 4095 | |
bb13109d LPC |
4096 | INIT_LIST_HEAD(&component->dai_list); |
4097 | mutex_init(&component->io_mutex); | |
d191bd8d | 4098 | |
bb13109d LPC |
4099 | return 0; |
4100 | } | |
d191bd8d | 4101 | |
bb13109d LPC |
4102 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
4103 | { | |
4104 | list_add(&component->list, &component_list); | |
4105 | } | |
d191bd8d | 4106 | |
bb13109d LPC |
4107 | static void snd_soc_component_add(struct snd_soc_component *component) |
4108 | { | |
d191bd8d | 4109 | mutex_lock(&client_mutex); |
bb13109d | 4110 | snd_soc_component_add_unlocked(component); |
d191bd8d | 4111 | mutex_unlock(&client_mutex); |
bb13109d | 4112 | } |
d191bd8d | 4113 | |
bb13109d LPC |
4114 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
4115 | { | |
4116 | snd_soc_unregister_dais(component); | |
4117 | kfree(component->name); | |
4118 | } | |
d191bd8d | 4119 | |
bb13109d LPC |
4120 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
4121 | { | |
4122 | list_del(&component->list); | |
4123 | } | |
d191bd8d | 4124 | |
bb13109d LPC |
4125 | static void snd_soc_component_del(struct snd_soc_component *component) |
4126 | { | |
4127 | mutex_lock(&client_mutex); | |
4128 | snd_soc_component_del_unlocked(component); | |
4129 | mutex_unlock(&client_mutex); | |
d191bd8d KM |
4130 | } |
4131 | ||
4132 | int snd_soc_register_component(struct device *dev, | |
4133 | const struct snd_soc_component_driver *cmpnt_drv, | |
4134 | struct snd_soc_dai_driver *dai_drv, | |
4135 | int num_dai) | |
4136 | { | |
4137 | struct snd_soc_component *cmpnt; | |
bb13109d | 4138 | int ret; |
d191bd8d | 4139 | |
bb13109d | 4140 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
4141 | if (!cmpnt) { |
4142 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4143 | return -ENOMEM; | |
4144 | } | |
4145 | ||
bb13109d LPC |
4146 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
4147 | if (ret) | |
4148 | goto err_free; | |
4149 | ||
3d59400f | 4150 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 4151 | cmpnt->registered_as_component = true; |
3d59400f | 4152 | |
bb13109d LPC |
4153 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
4154 | if (ret < 0) { | |
4155 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4156 | goto err_cleanup; | |
4157 | } | |
d191bd8d | 4158 | |
bb13109d | 4159 | snd_soc_component_add(cmpnt); |
4da53393 | 4160 | |
bb13109d | 4161 | return 0; |
4da53393 | 4162 | |
bb13109d LPC |
4163 | err_cleanup: |
4164 | snd_soc_component_cleanup(cmpnt); | |
4165 | err_free: | |
4166 | kfree(cmpnt); | |
4167 | return ret; | |
4da53393 | 4168 | } |
bb13109d | 4169 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 4170 | |
d191bd8d KM |
4171 | /** |
4172 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4173 | * | |
4174 | */ | |
4175 | void snd_soc_unregister_component(struct device *dev) | |
4176 | { | |
4177 | struct snd_soc_component *cmpnt; | |
4178 | ||
4179 | list_for_each_entry(cmpnt, &component_list, list) { | |
98e639fb | 4180 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
4181 | goto found; |
4182 | } | |
4183 | return; | |
4184 | ||
4185 | found: | |
bb13109d LPC |
4186 | snd_soc_component_del(cmpnt); |
4187 | snd_soc_component_cleanup(cmpnt); | |
4188 | kfree(cmpnt); | |
d191bd8d KM |
4189 | } |
4190 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 4191 | |
e2c330b9 LPC |
4192 | static int snd_soc_platform_drv_write(struct snd_soc_component *component, |
4193 | unsigned int reg, unsigned int val) | |
4194 | { | |
4195 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
d191bd8d | 4196 | |
e2c330b9 LPC |
4197 | return platform->driver->write(platform, reg, val); |
4198 | } | |
4199 | ||
4200 | static int snd_soc_platform_drv_read(struct snd_soc_component *component, | |
4201 | unsigned int reg, unsigned int *val) | |
4202 | { | |
4203 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
4204 | ||
4205 | *val = platform->driver->read(platform, reg); | |
4206 | ||
4207 | return 0; | |
d191bd8d | 4208 | } |
d191bd8d | 4209 | |
12a48a8c | 4210 | /** |
71a45cda LPC |
4211 | * snd_soc_add_platform - Add a platform to the ASoC core |
4212 | * @dev: The parent device for the platform | |
4213 | * @platform: The platform to add | |
4214 | * @platform_driver: The driver for the platform | |
12a48a8c | 4215 | */ |
71a45cda | 4216 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4217 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4218 | { |
b37f1d12 LPC |
4219 | int ret; |
4220 | ||
bb13109d LPC |
4221 | ret = snd_soc_component_initialize(&platform->component, |
4222 | &platform_drv->component_driver, dev); | |
4223 | if (ret) | |
4224 | return ret; | |
12a48a8c | 4225 | |
f0fba2ad LG |
4226 | platform->dev = dev; |
4227 | platform->driver = platform_drv; | |
e2c330b9 LPC |
4228 | if (platform_drv->write) |
4229 | platform->component.write = snd_soc_platform_drv_write; | |
4230 | if (platform_drv->read) | |
4231 | platform->component.read = snd_soc_platform_drv_read; | |
12a48a8c MB |
4232 | |
4233 | mutex_lock(&client_mutex); | |
bb13109d | 4234 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
4235 | list_add(&platform->list, &platform_list); |
4236 | mutex_unlock(&client_mutex); | |
4237 | ||
f4333203 LPC |
4238 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
4239 | platform->component.name); | |
12a48a8c MB |
4240 | |
4241 | return 0; | |
4242 | } | |
71a45cda | 4243 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4244 | |
4245 | /** | |
71a45cda | 4246 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4247 | * |
71a45cda | 4248 | * @platform: platform to register |
12a48a8c | 4249 | */ |
71a45cda LPC |
4250 | int snd_soc_register_platform(struct device *dev, |
4251 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4252 | { |
f0fba2ad | 4253 | struct snd_soc_platform *platform; |
71a45cda | 4254 | int ret; |
f0fba2ad | 4255 | |
71a45cda | 4256 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4257 | |
71a45cda LPC |
4258 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4259 | if (platform == NULL) | |
4260 | return -ENOMEM; | |
4261 | ||
4262 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4263 | if (ret) | |
4264 | kfree(platform); | |
4265 | ||
4266 | return ret; | |
4267 | } | |
4268 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4269 | ||
4270 | /** | |
4271 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4272 | * @platform: the platform to remove | |
4273 | */ | |
4274 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4275 | { | |
b37f1d12 | 4276 | |
12a48a8c MB |
4277 | mutex_lock(&client_mutex); |
4278 | list_del(&platform->list); | |
bb13109d | 4279 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
4280 | mutex_unlock(&client_mutex); |
4281 | ||
bb13109d LPC |
4282 | snd_soc_component_cleanup(&platform->component); |
4283 | ||
71a45cda | 4284 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 4285 | platform->component.name); |
71a45cda LPC |
4286 | } |
4287 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4288 | ||
4289 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4290 | { | |
4291 | struct snd_soc_platform *platform; | |
4292 | ||
4293 | list_for_each_entry(platform, &platform_list, list) { | |
4294 | if (dev == platform->dev) | |
4295 | return platform; | |
4296 | } | |
4297 | ||
4298 | return NULL; | |
4299 | } | |
4300 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4301 | ||
4302 | /** | |
4303 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4304 | * | |
4305 | * @platform: platform to unregister | |
4306 | */ | |
4307 | void snd_soc_unregister_platform(struct device *dev) | |
4308 | { | |
4309 | struct snd_soc_platform *platform; | |
4310 | ||
4311 | platform = snd_soc_lookup_platform(dev); | |
4312 | if (!platform) | |
4313 | return; | |
4314 | ||
4315 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4316 | kfree(platform); |
12a48a8c MB |
4317 | } |
4318 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4319 | ||
151ab22c MB |
4320 | static u64 codec_format_map[] = { |
4321 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4322 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4323 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4324 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4325 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4326 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4327 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4328 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4329 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4330 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4331 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4332 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4333 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4334 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4335 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4336 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4337 | }; | |
4338 | ||
4339 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4340 | * the endianness of the data but we're using the CPU format | |
4341 | * definitions which do need to include endianness so we ensure that | |
4342 | * codec DAIs always have both big and little endian variants set. | |
4343 | */ | |
4344 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4345 | { | |
4346 | int i; | |
4347 | ||
4348 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4349 | if (stream->formats & codec_format_map[i]) | |
4350 | stream->formats |= codec_format_map[i]; | |
4351 | } | |
4352 | ||
e2c330b9 LPC |
4353 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
4354 | unsigned int reg, unsigned int val) | |
4355 | { | |
4356 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4357 | ||
4358 | return codec->driver->write(codec, reg, val); | |
4359 | } | |
4360 | ||
4361 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
4362 | unsigned int reg, unsigned int *val) | |
4363 | { | |
4364 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4365 | ||
4366 | *val = codec->driver->read(codec, reg); | |
4367 | ||
4368 | return 0; | |
4369 | } | |
4370 | ||
68f831c2 LPC |
4371 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
4372 | enum snd_soc_bias_level level) | |
4373 | { | |
4374 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
4375 | ||
4376 | return codec->driver->set_bias_level(codec, level); | |
4377 | } | |
4378 | ||
0d0cf00a MB |
4379 | /** |
4380 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4381 | * | |
ac11a2b3 | 4382 | * @codec: codec to register |
0d0cf00a | 4383 | */ |
f0fba2ad | 4384 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4385 | const struct snd_soc_codec_driver *codec_drv, |
4386 | struct snd_soc_dai_driver *dai_drv, | |
4387 | int num_dai) | |
0d0cf00a | 4388 | { |
f0fba2ad | 4389 | struct snd_soc_codec *codec; |
bb13109d | 4390 | struct snd_soc_dai *dai; |
a39f75f7 | 4391 | struct regmap *regmap; |
f0fba2ad | 4392 | int ret, i; |
151ab22c | 4393 | |
f0fba2ad LG |
4394 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4395 | ||
4396 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4397 | if (codec == NULL) | |
4398 | return -ENOMEM; | |
0d0cf00a | 4399 | |
ce0fc93a LPC |
4400 | codec->component.dapm_ptr = &codec->dapm; |
4401 | ||
bb13109d LPC |
4402 | ret = snd_soc_component_initialize(&codec->component, |
4403 | &codec_drv->component_driver, dev); | |
4404 | if (ret) | |
4405 | goto err_free; | |
f0fba2ad | 4406 | |
e2c330b9 LPC |
4407 | if (codec_drv->write) |
4408 | codec->component.write = snd_soc_codec_drv_write; | |
4409 | if (codec_drv->read) | |
4410 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 4411 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc | 4412 | codec->dapm.codec = codec; |
14e8bdeb LPC |
4413 | if (codec_drv->seq_notifier) |
4414 | codec->dapm.seq_notifier = codec_drv->seq_notifier; | |
68f831c2 LPC |
4415 | if (codec_drv->set_bias_level) |
4416 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
4417 | codec->dev = dev; |
4418 | codec->driver = codec_drv; | |
e2c330b9 | 4419 | codec->component.val_bytes = codec_drv->reg_word_size; |
7a30a3db | 4420 | mutex_init(&codec->mutex); |
ce6120cc | 4421 | |
e2c330b9 | 4422 | if (!codec->component.write) { |
a39f75f7 XL |
4423 | if (codec_drv->get_regmap) |
4424 | regmap = codec_drv->get_regmap(dev); | |
4425 | else | |
4426 | regmap = dev_get_regmap(dev, NULL); | |
4427 | ||
4428 | if (regmap) { | |
e2c330b9 LPC |
4429 | ret = snd_soc_component_init_io(&codec->component, |
4430 | regmap); | |
4431 | if (ret) { | |
a39f75f7 XL |
4432 | dev_err(codec->dev, |
4433 | "Failed to set cache I/O:%d\n", | |
4434 | ret); | |
bb13109d | 4435 | goto err_cleanup; |
a39f75f7 XL |
4436 | } |
4437 | } | |
4438 | } | |
4439 | ||
f0fba2ad LG |
4440 | for (i = 0; i < num_dai; i++) { |
4441 | fixup_codec_formats(&dai_drv[i].playback); | |
4442 | fixup_codec_formats(&dai_drv[i].capture); | |
4443 | } | |
4444 | ||
bb13109d | 4445 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
5acd7dfb | 4446 | if (ret < 0) { |
bb13109d LPC |
4447 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); |
4448 | goto err_cleanup; | |
26b01ccd | 4449 | } |
f0fba2ad | 4450 | |
bb13109d LPC |
4451 | list_for_each_entry(dai, &codec->component.dai_list, list) |
4452 | dai->codec = codec; | |
f0fba2ad | 4453 | |
e1328a83 | 4454 | mutex_lock(&client_mutex); |
bb13109d | 4455 | snd_soc_component_add_unlocked(&codec->component); |
054880fe | 4456 | list_add(&codec->list, &codec_list); |
e1328a83 KM |
4457 | mutex_unlock(&client_mutex); |
4458 | ||
f4333203 LPC |
4459 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
4460 | codec->component.name); | |
0d0cf00a | 4461 | return 0; |
f0fba2ad | 4462 | |
bb13109d LPC |
4463 | err_cleanup: |
4464 | snd_soc_component_cleanup(&codec->component); | |
4465 | err_free: | |
f0fba2ad LG |
4466 | kfree(codec); |
4467 | return ret; | |
0d0cf00a MB |
4468 | } |
4469 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4470 | ||
4471 | /** | |
4472 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4473 | * | |
ac11a2b3 | 4474 | * @codec: codec to unregister |
0d0cf00a | 4475 | */ |
f0fba2ad | 4476 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4477 | { |
f0fba2ad | 4478 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4479 | |
4480 | list_for_each_entry(codec, &codec_list, list) { | |
4481 | if (dev == codec->dev) | |
4482 | goto found; | |
4483 | } | |
4484 | return; | |
4485 | ||
4486 | found: | |
f0fba2ad | 4487 | |
0d0cf00a MB |
4488 | mutex_lock(&client_mutex); |
4489 | list_del(&codec->list); | |
bb13109d | 4490 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
4491 | mutex_unlock(&client_mutex); |
4492 | ||
f4333203 LPC |
4493 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
4494 | codec->component.name); | |
f0fba2ad | 4495 | |
bb13109d | 4496 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 4497 | snd_soc_cache_exit(codec); |
f0fba2ad | 4498 | kfree(codec); |
0d0cf00a MB |
4499 | } |
4500 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4501 | ||
bec4fa05 SW |
4502 | /* Retrieve a card's name from device tree */ |
4503 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4504 | const char *propname) | |
4505 | { | |
4506 | struct device_node *np = card->dev->of_node; | |
4507 | int ret; | |
4508 | ||
4509 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4510 | /* | |
4511 | * EINVAL means the property does not exist. This is fine providing | |
4512 | * card->name was previously set, which is checked later in | |
4513 | * snd_soc_register_card. | |
4514 | */ | |
4515 | if (ret < 0 && ret != -EINVAL) { | |
4516 | dev_err(card->dev, | |
f110bfc7 | 4517 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4518 | propname, ret); |
4519 | return ret; | |
4520 | } | |
4521 | ||
4522 | return 0; | |
4523 | } | |
4524 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4525 | ||
9a6d4860 XL |
4526 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4527 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4528 | SND_SOC_DAPM_LINE("Line", NULL), | |
4529 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4530 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4531 | }; | |
4532 | ||
4533 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4534 | const char *propname) | |
4535 | { | |
4536 | struct device_node *np = card->dev->of_node; | |
4537 | struct snd_soc_dapm_widget *widgets; | |
4538 | const char *template, *wname; | |
4539 | int i, j, num_widgets, ret; | |
4540 | ||
4541 | num_widgets = of_property_count_strings(np, propname); | |
4542 | if (num_widgets < 0) { | |
4543 | dev_err(card->dev, | |
4544 | "ASoC: Property '%s' does not exist\n", propname); | |
4545 | return -EINVAL; | |
4546 | } | |
4547 | if (num_widgets & 1) { | |
4548 | dev_err(card->dev, | |
4549 | "ASoC: Property '%s' length is not even\n", propname); | |
4550 | return -EINVAL; | |
4551 | } | |
4552 | ||
4553 | num_widgets /= 2; | |
4554 | if (!num_widgets) { | |
4555 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4556 | propname); | |
4557 | return -EINVAL; | |
4558 | } | |
4559 | ||
4560 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4561 | GFP_KERNEL); | |
4562 | if (!widgets) { | |
4563 | dev_err(card->dev, | |
4564 | "ASoC: Could not allocate memory for widgets\n"); | |
4565 | return -ENOMEM; | |
4566 | } | |
4567 | ||
4568 | for (i = 0; i < num_widgets; i++) { | |
4569 | ret = of_property_read_string_index(np, propname, | |
4570 | 2 * i, &template); | |
4571 | if (ret) { | |
4572 | dev_err(card->dev, | |
4573 | "ASoC: Property '%s' index %d read error:%d\n", | |
4574 | propname, 2 * i, ret); | |
4575 | return -EINVAL; | |
4576 | } | |
4577 | ||
4578 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4579 | if (!strncmp(template, simple_widgets[j].name, | |
4580 | strlen(simple_widgets[j].name))) { | |
4581 | widgets[i] = simple_widgets[j]; | |
4582 | break; | |
4583 | } | |
4584 | } | |
4585 | ||
4586 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4587 | dev_err(card->dev, | |
4588 | "ASoC: DAPM widget '%s' is not supported\n", | |
4589 | template); | |
4590 | return -EINVAL; | |
4591 | } | |
4592 | ||
4593 | ret = of_property_read_string_index(np, propname, | |
4594 | (2 * i) + 1, | |
4595 | &wname); | |
4596 | if (ret) { | |
4597 | dev_err(card->dev, | |
4598 | "ASoC: Property '%s' index %d read error:%d\n", | |
4599 | propname, (2 * i) + 1, ret); | |
4600 | return -EINVAL; | |
4601 | } | |
4602 | ||
4603 | widgets[i].name = wname; | |
4604 | } | |
4605 | ||
4606 | card->dapm_widgets = widgets; | |
4607 | card->num_dapm_widgets = num_widgets; | |
4608 | ||
4609 | return 0; | |
4610 | } | |
4611 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4612 | ||
89c67857 XL |
4613 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4614 | unsigned int *slots, | |
4615 | unsigned int *slot_width) | |
4616 | { | |
4617 | u32 val; | |
4618 | int ret; | |
4619 | ||
4620 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4621 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4622 | if (ret) | |
4623 | return ret; | |
4624 | ||
4625 | if (slots) | |
4626 | *slots = val; | |
4627 | } | |
4628 | ||
4629 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4630 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4631 | if (ret) | |
4632 | return ret; | |
4633 | ||
4634 | if (slot_width) | |
4635 | *slot_width = val; | |
4636 | } | |
4637 | ||
4638 | return 0; | |
4639 | } | |
4640 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4641 | ||
a4a54dd5 SW |
4642 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4643 | const char *propname) | |
4644 | { | |
4645 | struct device_node *np = card->dev->of_node; | |
4646 | int num_routes; | |
4647 | struct snd_soc_dapm_route *routes; | |
4648 | int i, ret; | |
4649 | ||
4650 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4651 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4652 | dev_err(card->dev, |
4653 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4654 | propname); | |
a4a54dd5 SW |
4655 | return -EINVAL; |
4656 | } | |
4657 | num_routes /= 2; | |
4658 | if (!num_routes) { | |
f110bfc7 | 4659 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4660 | propname); |
4661 | return -EINVAL; | |
4662 | } | |
4663 | ||
4664 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4665 | GFP_KERNEL); | |
4666 | if (!routes) { | |
4667 | dev_err(card->dev, | |
f110bfc7 | 4668 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4669 | return -EINVAL; |
4670 | } | |
4671 | ||
4672 | for (i = 0; i < num_routes; i++) { | |
4673 | ret = of_property_read_string_index(np, propname, | |
4674 | 2 * i, &routes[i].sink); | |
4675 | if (ret) { | |
c871bd0b MB |
4676 | dev_err(card->dev, |
4677 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4678 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4679 | return -EINVAL; |
4680 | } | |
4681 | ret = of_property_read_string_index(np, propname, | |
4682 | (2 * i) + 1, &routes[i].source); | |
4683 | if (ret) { | |
4684 | dev_err(card->dev, | |
c871bd0b MB |
4685 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4686 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4687 | return -EINVAL; |
4688 | } | |
4689 | } | |
4690 | ||
4691 | card->num_dapm_routes = num_routes; | |
4692 | card->dapm_routes = routes; | |
4693 | ||
4694 | return 0; | |
4695 | } | |
4696 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4697 | ||
a7930ed4 | 4698 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
4699 | const char *prefix, |
4700 | struct device_node **bitclkmaster, | |
4701 | struct device_node **framemaster) | |
a7930ed4 KM |
4702 | { |
4703 | int ret, i; | |
4704 | char prop[128]; | |
4705 | unsigned int format = 0; | |
4706 | int bit, frame; | |
4707 | const char *str; | |
4708 | struct { | |
4709 | char *name; | |
4710 | unsigned int val; | |
4711 | } of_fmt_table[] = { | |
4712 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4713 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4714 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4715 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4716 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4717 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4718 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4719 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4720 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4721 | }; |
4722 | ||
4723 | if (!prefix) | |
4724 | prefix = ""; | |
4725 | ||
4726 | /* | |
4727 | * check "[prefix]format = xxx" | |
4728 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4729 | */ | |
4730 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4731 | ret = of_property_read_string(np, prop, &str); | |
4732 | if (ret == 0) { | |
4733 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4734 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4735 | format |= of_fmt_table[i].val; | |
4736 | break; | |
4737 | } | |
4738 | } | |
4739 | } | |
4740 | ||
4741 | /* | |
8c2d6a9f | 4742 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4743 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4744 | */ | |
8c2d6a9f KM |
4745 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4746 | if (of_get_property(np, prop, NULL)) | |
4747 | format |= SND_SOC_DAIFMT_CONT; | |
4748 | else | |
4749 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4750 | |
4751 | /* | |
4752 | * check "[prefix]bitclock-inversion" | |
4753 | * check "[prefix]frame-inversion" | |
4754 | * SND_SOC_DAIFMT_INV_MASK area | |
4755 | */ | |
4756 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4757 | bit = !!of_get_property(np, prop, NULL); | |
4758 | ||
4759 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4760 | frame = !!of_get_property(np, prop, NULL); | |
4761 | ||
4762 | switch ((bit << 4) + frame) { | |
4763 | case 0x11: | |
4764 | format |= SND_SOC_DAIFMT_IB_IF; | |
4765 | break; | |
4766 | case 0x10: | |
4767 | format |= SND_SOC_DAIFMT_IB_NF; | |
4768 | break; | |
4769 | case 0x01: | |
4770 | format |= SND_SOC_DAIFMT_NB_IF; | |
4771 | break; | |
4772 | default: | |
4773 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4774 | break; | |
4775 | } | |
4776 | ||
4777 | /* | |
4778 | * check "[prefix]bitclock-master" | |
4779 | * check "[prefix]frame-master" | |
4780 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4781 | */ | |
4782 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4783 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4784 | if (bit && bitclkmaster) |
4785 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4786 | |
4787 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4788 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4789 | if (frame && framemaster) |
4790 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4791 | |
4792 | switch ((bit << 4) + frame) { | |
4793 | case 0x11: | |
4794 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4795 | break; | |
4796 | case 0x10: | |
4797 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4798 | break; | |
4799 | case 0x01: | |
4800 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4801 | break; | |
4802 | default: | |
4803 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4804 | break; | |
4805 | } | |
4806 | ||
4807 | return format; | |
4808 | } | |
4809 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4810 | ||
cb470087 KM |
4811 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4812 | const char **dai_name) | |
4813 | { | |
4814 | struct snd_soc_component *pos; | |
4815 | struct of_phandle_args args; | |
4816 | int ret; | |
4817 | ||
4818 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4819 | "#sound-dai-cells", 0, &args); | |
4820 | if (ret) | |
4821 | return ret; | |
4822 | ||
4823 | ret = -EPROBE_DEFER; | |
4824 | ||
4825 | mutex_lock(&client_mutex); | |
4826 | list_for_each_entry(pos, &component_list, list) { | |
4827 | if (pos->dev->of_node != args.np) | |
4828 | continue; | |
4829 | ||
6833c452 KM |
4830 | if (pos->driver->of_xlate_dai_name) { |
4831 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4832 | } else { | |
4833 | int id = -1; | |
4834 | ||
4835 | switch (args.args_count) { | |
4836 | case 0: | |
4837 | id = 0; /* same as dai_drv[0] */ | |
4838 | break; | |
4839 | case 1: | |
4840 | id = args.args[0]; | |
4841 | break; | |
4842 | default: | |
4843 | /* not supported */ | |
4844 | break; | |
4845 | } | |
4846 | ||
4847 | if (id < 0 || id >= pos->num_dai) { | |
4848 | ret = -EINVAL; | |
3dcba280 | 4849 | continue; |
6833c452 | 4850 | } |
e41975ed XL |
4851 | |
4852 | ret = 0; | |
4853 | ||
4854 | *dai_name = pos->dai_drv[id].name; | |
4855 | if (!*dai_name) | |
4856 | *dai_name = pos->name; | |
cb470087 KM |
4857 | } |
4858 | ||
cb470087 KM |
4859 | break; |
4860 | } | |
4861 | mutex_unlock(&client_mutex); | |
4862 | ||
4863 | of_node_put(args.np); | |
4864 | ||
4865 | return ret; | |
4866 | } | |
4867 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4868 | ||
c9b3a40f | 4869 | static int __init snd_soc_init(void) |
db2a4165 | 4870 | { |
384c89e2 | 4871 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4872 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4873 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4874 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4875 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4876 | } |
c3c5a19a | 4877 | |
8a9dab1a | 4878 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4879 | &codec_list_fops)) |
4880 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4881 | ||
8a9dab1a | 4882 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4883 | &dai_list_fops)) |
4884 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4885 | |
8a9dab1a | 4886 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4887 | &platform_list_fops)) |
4888 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4889 | #endif |
4890 | ||
fb257897 MB |
4891 | snd_soc_util_init(); |
4892 | ||
db2a4165 FM |
4893 | return platform_driver_register(&soc_driver); |
4894 | } | |
4abe8e16 | 4895 | module_init(snd_soc_init); |
db2a4165 | 4896 | |
7d8c16a6 | 4897 | static void __exit snd_soc_exit(void) |
db2a4165 | 4898 | { |
fb257897 MB |
4899 | snd_soc_util_exit(); |
4900 | ||
384c89e2 | 4901 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4902 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4903 | #endif |
3ff3f64b | 4904 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4905 | } |
db2a4165 FM |
4906 | module_exit(snd_soc_exit); |
4907 | ||
4908 | /* Module information */ | |
d331124d | 4909 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4910 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4911 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4912 | MODULE_ALIAS("platform:soc-audio"); |