Commit | Line | Data |
---|---|---|
db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
741a509f MP |
37 | #include <linux/gpio.h> |
38 | #include <linux/of_gpio.h> | |
474828a4 | 39 | #include <sound/ac97_codec.h> |
db2a4165 | 40 | #include <sound/core.h> |
3028eb8c | 41 | #include <sound/jack.h> |
db2a4165 FM |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
01d7584c | 45 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
46 | #include <sound/initval.h> |
47 | ||
a8b1d34f MB |
48 | #define CREATE_TRACE_POINTS |
49 | #include <trace/events/asoc.h> | |
50 | ||
f0fba2ad LG |
51 | #define NAME_SIZE 32 |
52 | ||
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 | ||
81c7cfd1 | 273 | static void soc_init_component_debugfs(struct snd_soc_component *component) |
e73f3de5 | 274 | { |
81c7cfd1 LPC |
275 | if (component->debugfs_prefix) { |
276 | char *name; | |
e73f3de5 | 277 | |
81c7cfd1 LPC |
278 | name = kasprintf(GFP_KERNEL, "%s:%s", |
279 | component->debugfs_prefix, component->name); | |
280 | if (name) { | |
281 | component->debugfs_root = debugfs_create_dir(name, | |
282 | component->card->debugfs_card_root); | |
283 | kfree(name); | |
284 | } | |
285 | } else { | |
286 | component->debugfs_root = debugfs_create_dir(component->name, | |
287 | component->card->debugfs_card_root); | |
288 | } | |
e73f3de5 | 289 | |
81c7cfd1 LPC |
290 | if (!component->debugfs_root) { |
291 | dev_warn(component->dev, | |
292 | "ASoC: Failed to create component debugfs directory\n"); | |
293 | return; | |
294 | } | |
e73f3de5 | 295 | |
81c7cfd1 LPC |
296 | snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component), |
297 | component->debugfs_root); | |
e73f3de5 | 298 | |
81c7cfd1 LPC |
299 | if (component->init_debugfs) |
300 | component->init_debugfs(component); | |
e73f3de5 RK |
301 | } |
302 | ||
81c7cfd1 | 303 | static void soc_cleanup_component_debugfs(struct snd_soc_component *component) |
2624d5fa | 304 | { |
81c7cfd1 LPC |
305 | debugfs_remove_recursive(component->debugfs_root); |
306 | } | |
d6ce4cf3 | 307 | |
81c7cfd1 LPC |
308 | static void soc_init_codec_debugfs(struct snd_soc_component *component) |
309 | { | |
310 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
2624d5fa | 311 | |
81c7cfd1 | 312 | debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root, |
aaee8ef1 | 313 | &codec->cache_sync); |
aaee8ef1 | 314 | |
2624d5fa | 315 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
81c7cfd1 | 316 | codec->component.debugfs_root, |
2624d5fa MB |
317 | codec, &codec_reg_fops); |
318 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
319 | dev_warn(codec->dev, |
320 | "ASoC: Failed to create codec register debugfs file\n"); | |
731f1ab2 SG |
321 | } |
322 | ||
c3c5a19a MB |
323 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
324 | size_t count, loff_t *ppos) | |
325 | { | |
326 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 327 | ssize_t len, ret = 0; |
c3c5a19a MB |
328 | struct snd_soc_codec *codec; |
329 | ||
330 | if (!buf) | |
331 | return -ENOMEM; | |
332 | ||
2b194f9d MB |
333 | list_for_each_entry(codec, &codec_list, list) { |
334 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 335 | codec->component.name); |
2b194f9d MB |
336 | if (len >= 0) |
337 | ret += len; | |
338 | if (ret > PAGE_SIZE) { | |
339 | ret = PAGE_SIZE; | |
340 | break; | |
341 | } | |
342 | } | |
c3c5a19a MB |
343 | |
344 | if (ret >= 0) | |
345 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
346 | ||
347 | kfree(buf); | |
348 | ||
349 | return ret; | |
350 | } | |
351 | ||
352 | static const struct file_operations codec_list_fops = { | |
353 | .read = codec_list_read_file, | |
354 | .llseek = default_llseek,/* read accesses f_pos */ | |
355 | }; | |
356 | ||
f3208780 MB |
357 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
358 | size_t count, loff_t *ppos) | |
359 | { | |
360 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 361 | ssize_t len, ret = 0; |
1438c2f6 | 362 | struct snd_soc_component *component; |
f3208780 MB |
363 | struct snd_soc_dai *dai; |
364 | ||
365 | if (!buf) | |
366 | return -ENOMEM; | |
367 | ||
1438c2f6 LPC |
368 | list_for_each_entry(component, &component_list, list) { |
369 | list_for_each_entry(dai, &component->dai_list, list) { | |
370 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
371 | dai->name); | |
372 | if (len >= 0) | |
373 | ret += len; | |
374 | if (ret > PAGE_SIZE) { | |
375 | ret = PAGE_SIZE; | |
376 | break; | |
377 | } | |
2b194f9d MB |
378 | } |
379 | } | |
f3208780 | 380 | |
2b194f9d | 381 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
382 | |
383 | kfree(buf); | |
384 | ||
385 | return ret; | |
386 | } | |
387 | ||
388 | static const struct file_operations dai_list_fops = { | |
389 | .read = dai_list_read_file, | |
390 | .llseek = default_llseek,/* read accesses f_pos */ | |
391 | }; | |
392 | ||
19c7ac27 MB |
393 | static ssize_t platform_list_read_file(struct file *file, |
394 | char __user *user_buf, | |
395 | size_t count, loff_t *ppos) | |
396 | { | |
397 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 398 | ssize_t len, ret = 0; |
19c7ac27 MB |
399 | struct snd_soc_platform *platform; |
400 | ||
401 | if (!buf) | |
402 | return -ENOMEM; | |
403 | ||
2b194f9d MB |
404 | list_for_each_entry(platform, &platform_list, list) { |
405 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 406 | platform->component.name); |
2b194f9d MB |
407 | if (len >= 0) |
408 | ret += len; | |
409 | if (ret > PAGE_SIZE) { | |
410 | ret = PAGE_SIZE; | |
411 | break; | |
412 | } | |
413 | } | |
19c7ac27 | 414 | |
2b194f9d | 415 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
416 | |
417 | kfree(buf); | |
418 | ||
419 | return ret; | |
420 | } | |
421 | ||
422 | static const struct file_operations platform_list_fops = { | |
423 | .read = platform_list_read_file, | |
424 | .llseek = default_llseek,/* read accesses f_pos */ | |
425 | }; | |
426 | ||
a6052154 JN |
427 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
428 | { | |
429 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 430 | snd_soc_debugfs_root); |
3a45b867 | 431 | if (!card->debugfs_card_root) { |
a6052154 | 432 | dev_warn(card->dev, |
7c08be84 | 433 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
434 | return; |
435 | } | |
436 | ||
437 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
438 | card->debugfs_card_root, | |
439 | &card->pop_time); | |
440 | if (!card->debugfs_pop_time) | |
441 | dev_warn(card->dev, | |
f110bfc7 | 442 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
443 | } |
444 | ||
445 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
446 | { | |
447 | debugfs_remove_recursive(card->debugfs_card_root); | |
448 | } | |
449 | ||
2624d5fa MB |
450 | #else |
451 | ||
81c7cfd1 | 452 | #define soc_init_codec_debugfs NULL |
b95fccbc | 453 | |
81c7cfd1 LPC |
454 | static inline void soc_init_component_debugfs( |
455 | struct snd_soc_component *component) | |
731f1ab2 SG |
456 | { |
457 | } | |
458 | ||
81c7cfd1 LPC |
459 | static inline void soc_cleanup_component_debugfs( |
460 | struct snd_soc_component *component) | |
731f1ab2 SG |
461 | { |
462 | } | |
463 | ||
b95fccbc AL |
464 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
465 | { | |
466 | } | |
467 | ||
468 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
469 | { | |
470 | } | |
2624d5fa MB |
471 | #endif |
472 | ||
47c88fff LG |
473 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
474 | const char *dai_link, int stream) | |
475 | { | |
476 | int i; | |
477 | ||
478 | for (i = 0; i < card->num_links; i++) { | |
479 | if (card->rtd[i].dai_link->no_pcm && | |
480 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
481 | return card->rtd[i].pcm->streams[stream].substream; | |
482 | } | |
f110bfc7 | 483 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
484 | return NULL; |
485 | } | |
486 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
487 | ||
488 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
489 | const char *dai_link) | |
490 | { | |
491 | int i; | |
492 | ||
493 | for (i = 0; i < card->num_links; i++) { | |
494 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
495 | return &card->rtd[i]; | |
496 | } | |
f110bfc7 | 497 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
498 | return NULL; |
499 | } | |
500 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
501 | ||
db2a4165 FM |
502 | #ifdef CONFIG_SND_SOC_AC97_BUS |
503 | /* unregister ac97 codec */ | |
504 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
505 | { | |
506 | if (codec->ac97->dev.bus) | |
507 | device_unregister(&codec->ac97->dev); | |
508 | return 0; | |
509 | } | |
510 | ||
511 | /* stop no dev release warning */ | |
512 | static void soc_ac97_device_release(struct device *dev){} | |
513 | ||
514 | /* register ac97 codec to bus */ | |
515 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
516 | { | |
517 | int err; | |
518 | ||
519 | codec->ac97->dev.bus = &ac97_bus_type; | |
00200107 | 520 | codec->ac97->dev.parent = codec->component.card->dev; |
db2a4165 FM |
521 | codec->ac97->dev.release = soc_ac97_device_release; |
522 | ||
bb072bf0 | 523 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
00200107 LPC |
524 | codec->component.card->snd_card->number, 0, |
525 | codec->component.name); | |
db2a4165 FM |
526 | err = device_register(&codec->ac97->dev); |
527 | if (err < 0) { | |
f110bfc7 | 528 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
529 | codec->ac97->dev.bus = NULL; |
530 | return err; | |
531 | } | |
532 | return 0; | |
533 | } | |
534 | #endif | |
535 | ||
9d58a077 RF |
536 | static void codec2codec_close_delayed_work(struct work_struct *work) |
537 | { | |
538 | /* Currently nothing to do for c2c links | |
539 | * Since c2c links are internal nodes in the DAPM graph and | |
540 | * don't interface with the outside world or application layer | |
541 | * we don't have to do any special handling on close. | |
542 | */ | |
543 | } | |
544 | ||
6f8ab4ac | 545 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 546 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 547 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 548 | { |
6f8ab4ac | 549 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 550 | struct snd_soc_codec *codec; |
88bd870f | 551 | int i, j; |
db2a4165 | 552 | |
c5599b87 LPC |
553 | /* If the card is not initialized yet there is nothing to do */ |
554 | if (!card->instantiated) | |
e3509ff0 DM |
555 | return 0; |
556 | ||
6ed25978 AG |
557 | /* Due to the resume being scheduled into a workqueue we could |
558 | * suspend before that's finished - wait for it to complete. | |
559 | */ | |
f0fba2ad LG |
560 | snd_power_lock(card->snd_card); |
561 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
562 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
563 | |
564 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 565 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 566 | |
a00f90f9 | 567 | /* mute any active DACs */ |
f0fba2ad | 568 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 569 | |
f0fba2ad | 570 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
571 | continue; |
572 | ||
88bd870f BC |
573 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
574 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
575 | struct snd_soc_dai_driver *drv = dai->driver; | |
576 | ||
577 | if (drv->ops->digital_mute && dai->playback_active) | |
578 | drv->ops->digital_mute(dai, 1); | |
579 | } | |
db2a4165 FM |
580 | } |
581 | ||
4ccab3e7 | 582 | /* suspend all pcms */ |
f0fba2ad LG |
583 | for (i = 0; i < card->num_rtd; i++) { |
584 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
585 | continue; |
586 | ||
f0fba2ad | 587 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 588 | } |
4ccab3e7 | 589 | |
87506549 | 590 | if (card->suspend_pre) |
70b2ac12 | 591 | card->suspend_pre(card); |
db2a4165 | 592 | |
f0fba2ad LG |
593 | for (i = 0; i < card->num_rtd; i++) { |
594 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
595 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 596 | |
f0fba2ad | 597 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
598 | continue; |
599 | ||
f0fba2ad LG |
600 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
601 | cpu_dai->driver->suspend(cpu_dai); | |
602 | if (platform->driver->suspend && !platform->suspended) { | |
603 | platform->driver->suspend(cpu_dai); | |
604 | platform->suspended = 1; | |
605 | } | |
db2a4165 FM |
606 | } |
607 | ||
608 | /* close any waiting streams and save state */ | |
f0fba2ad | 609 | for (i = 0; i < card->num_rtd; i++) { |
88bd870f | 610 | struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais; |
43829731 | 611 | flush_delayed_work(&card->rtd[i].delayed_work); |
88bd870f BC |
612 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
613 | codec_dais[j]->codec->dapm.suspend_bias_level = | |
614 | codec_dais[j]->codec->dapm.bias_level; | |
615 | } | |
f0fba2ad | 616 | } |
db2a4165 | 617 | |
f0fba2ad | 618 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 619 | |
f0fba2ad | 620 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
621 | continue; |
622 | ||
7bd3a6f3 MB |
623 | snd_soc_dapm_stream_event(&card->rtd[i], |
624 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 625 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 626 | |
7bd3a6f3 MB |
627 | snd_soc_dapm_stream_event(&card->rtd[i], |
628 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 629 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
630 | } |
631 | ||
e2d32ff6 MB |
632 | /* Recheck all analogue paths too */ |
633 | dapm_mark_io_dirty(&card->dapm); | |
634 | snd_soc_dapm_sync(&card->dapm); | |
635 | ||
f0fba2ad | 636 | /* suspend all CODECs */ |
2eea392d | 637 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
638 | /* If there are paths active then the CODEC will be held with |
639 | * bias _ON and should not be suspended. */ | |
640 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 641 | switch (codec->dapm.bias_level) { |
f0fba2ad | 642 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
643 | /* |
644 | * If the CODEC is capable of idle | |
645 | * bias off then being in STANDBY | |
646 | * means it's doing something, | |
647 | * otherwise fall through. | |
648 | */ | |
649 | if (codec->dapm.idle_bias_off) { | |
650 | dev_dbg(codec->dev, | |
10e8aa9a | 651 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
652 | break; |
653 | } | |
f0fba2ad | 654 | case SND_SOC_BIAS_OFF: |
84b315ee | 655 | codec->driver->suspend(codec); |
f0fba2ad | 656 | codec->suspended = 1; |
7be4ba24 | 657 | codec->cache_sync = 1; |
e2c330b9 LPC |
658 | if (codec->component.regmap) |
659 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
660 | /* deactivate pins to sleep state */ |
661 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
662 | break; |
663 | default: | |
10e8aa9a MM |
664 | dev_dbg(codec->dev, |
665 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
666 | break; |
667 | } | |
1547aba9 MB |
668 | } |
669 | } | |
db2a4165 | 670 | |
f0fba2ad LG |
671 | for (i = 0; i < card->num_rtd; i++) { |
672 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 673 | |
f0fba2ad | 674 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
675 | continue; |
676 | ||
f0fba2ad LG |
677 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
678 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
679 | |
680 | /* deactivate pins to sleep state */ | |
681 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
682 | } |
683 | ||
87506549 | 684 | if (card->suspend_post) |
70b2ac12 | 685 | card->suspend_post(card); |
db2a4165 FM |
686 | |
687 | return 0; | |
688 | } | |
6f8ab4ac | 689 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 690 | |
6ed25978 AG |
691 | /* deferred resume work, so resume can complete before we finished |
692 | * setting our codec back up, which can be very slow on I2C | |
693 | */ | |
694 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 695 | { |
f0fba2ad LG |
696 | struct snd_soc_card *card = |
697 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 698 | struct snd_soc_codec *codec; |
88bd870f | 699 | int i, j; |
db2a4165 | 700 | |
6ed25978 AG |
701 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
702 | * so userspace apps are blocked from touching us | |
703 | */ | |
704 | ||
f110bfc7 | 705 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 706 | |
9949788b | 707 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 708 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 709 | |
87506549 | 710 | if (card->resume_pre) |
70b2ac12 | 711 | card->resume_pre(card); |
db2a4165 | 712 | |
f0fba2ad LG |
713 | /* resume AC97 DAIs */ |
714 | for (i = 0; i < card->num_rtd; i++) { | |
715 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 716 | |
f0fba2ad | 717 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
718 | continue; |
719 | ||
f0fba2ad LG |
720 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
721 | cpu_dai->driver->resume(cpu_dai); | |
722 | } | |
723 | ||
2eea392d | 724 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
725 | /* If the CODEC was idle over suspend then it will have been |
726 | * left with bias OFF or STANDBY and suspended so we must now | |
727 | * resume. Otherwise the suspend was suppressed. | |
728 | */ | |
729 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 730 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
731 | case SND_SOC_BIAS_STANDBY: |
732 | case SND_SOC_BIAS_OFF: | |
733 | codec->driver->resume(codec); | |
734 | codec->suspended = 0; | |
735 | break; | |
736 | default: | |
10e8aa9a MM |
737 | dev_dbg(codec->dev, |
738 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
739 | break; |
740 | } | |
1547aba9 MB |
741 | } |
742 | } | |
db2a4165 | 743 | |
f0fba2ad | 744 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 745 | |
f0fba2ad | 746 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
747 | continue; |
748 | ||
7bd3a6f3 | 749 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 750 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 751 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 752 | |
7bd3a6f3 | 753 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 754 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 755 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
756 | } |
757 | ||
3ff3f64b | 758 | /* unmute any active DACs */ |
f0fba2ad | 759 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 760 | |
f0fba2ad | 761 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
762 | continue; |
763 | ||
88bd870f BC |
764 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
765 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
766 | struct snd_soc_dai_driver *drv = dai->driver; | |
767 | ||
768 | if (drv->ops->digital_mute && dai->playback_active) | |
769 | drv->ops->digital_mute(dai, 0); | |
770 | } | |
db2a4165 FM |
771 | } |
772 | ||
f0fba2ad LG |
773 | for (i = 0; i < card->num_rtd; i++) { |
774 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
775 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 776 | |
f0fba2ad | 777 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
778 | continue; |
779 | ||
f0fba2ad LG |
780 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
781 | cpu_dai->driver->resume(cpu_dai); | |
782 | if (platform->driver->resume && platform->suspended) { | |
783 | platform->driver->resume(cpu_dai); | |
784 | platform->suspended = 0; | |
785 | } | |
db2a4165 FM |
786 | } |
787 | ||
87506549 | 788 | if (card->resume_post) |
70b2ac12 | 789 | card->resume_post(card); |
db2a4165 | 790 | |
f110bfc7 | 791 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
792 | |
793 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 794 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
795 | |
796 | /* Recheck all analogue paths too */ | |
797 | dapm_mark_io_dirty(&card->dapm); | |
798 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
799 | } |
800 | ||
801 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 802 | int snd_soc_resume(struct device *dev) |
6ed25978 | 803 | { |
6f8ab4ac | 804 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 805 | int i, ac97_control = 0; |
b9dd94a8 | 806 | |
c5599b87 LPC |
807 | /* If the card is not initialized yet there is nothing to do */ |
808 | if (!card->instantiated) | |
5ff1ddf2 EM |
809 | return 0; |
810 | ||
988e8cc4 NC |
811 | /* activate pins from sleep state */ |
812 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
813 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
814 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
815 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
816 | int j; | |
817 | ||
988e8cc4 NC |
818 | if (cpu_dai->active) |
819 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
88bd870f BC |
820 | |
821 | for (j = 0; j < rtd->num_codecs; j++) { | |
822 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
823 | if (codec_dai->active) | |
824 | pinctrl_pm_select_default_state(codec_dai->dev); | |
825 | } | |
988e8cc4 NC |
826 | } |
827 | ||
64ab9baa MB |
828 | /* AC97 devices might have other drivers hanging off them so |
829 | * need to resume immediately. Other drivers don't have that | |
830 | * problem and may take a substantial amount of time to resume | |
831 | * due to I/O costs and anti-pop so handle them out of line. | |
832 | */ | |
f0fba2ad LG |
833 | for (i = 0; i < card->num_rtd; i++) { |
834 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
835 | ac97_control |= cpu_dai->driver->ac97_control; |
836 | } | |
837 | if (ac97_control) { | |
f110bfc7 | 838 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
839 | soc_resume_deferred(&card->deferred_resume_work); |
840 | } else { | |
f110bfc7 | 841 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 842 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 843 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 844 | } |
6ed25978 | 845 | |
db2a4165 FM |
846 | return 0; |
847 | } | |
6f8ab4ac | 848 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 849 | #else |
6f8ab4ac MB |
850 | #define snd_soc_suspend NULL |
851 | #define snd_soc_resume NULL | |
db2a4165 FM |
852 | #endif |
853 | ||
85e7652d | 854 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
855 | }; |
856 | ||
65d9361f LPC |
857 | static struct snd_soc_component *soc_find_component( |
858 | const struct device_node *of_node, const char *name) | |
859 | { | |
860 | struct snd_soc_component *component; | |
861 | ||
862 | list_for_each_entry(component, &component_list, list) { | |
863 | if (of_node) { | |
864 | if (component->dev->of_node == of_node) | |
865 | return component; | |
866 | } else if (strcmp(component->name, name) == 0) { | |
867 | return component; | |
868 | } | |
869 | } | |
870 | ||
871 | return NULL; | |
872 | } | |
873 | ||
14621c7e LPC |
874 | static struct snd_soc_dai *snd_soc_find_dai( |
875 | const struct snd_soc_dai_link_component *dlc) | |
12023a9a | 876 | { |
14621c7e LPC |
877 | struct snd_soc_component *component; |
878 | struct snd_soc_dai *dai; | |
12023a9a | 879 | |
14621c7e LPC |
880 | /* Find CPU DAI from registered DAIs*/ |
881 | list_for_each_entry(component, &component_list, list) { | |
882 | if (dlc->of_node && component->dev->of_node != dlc->of_node) | |
883 | continue; | |
884 | if (dlc->name && strcmp(dev_name(component->dev), dlc->name)) | |
885 | continue; | |
886 | list_for_each_entry(dai, &component->dai_list, list) { | |
887 | if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)) | |
12023a9a | 888 | continue; |
12023a9a | 889 | |
14621c7e | 890 | return dai; |
12023a9a MLC |
891 | } |
892 | } | |
893 | ||
894 | return NULL; | |
895 | } | |
896 | ||
f0fba2ad | 897 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 898 | { |
f0fba2ad LG |
899 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
900 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
88bd870f | 901 | struct snd_soc_dai_link_component *codecs = dai_link->codecs; |
14621c7e | 902 | struct snd_soc_dai_link_component cpu_dai_component; |
88bd870f | 903 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
435c5e25 | 904 | struct snd_soc_platform *platform; |
848dd8be | 905 | const char *platform_name; |
88bd870f | 906 | int i; |
435c5e25 | 907 | |
f110bfc7 | 908 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 909 | |
14621c7e LPC |
910 | cpu_dai_component.name = dai_link->cpu_name; |
911 | cpu_dai_component.of_node = dai_link->cpu_of_node; | |
912 | cpu_dai_component.dai_name = dai_link->cpu_dai_name; | |
913 | rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component); | |
b19e6e7b | 914 | if (!rtd->cpu_dai) { |
f110bfc7 | 915 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
916 | dai_link->cpu_dai_name); |
917 | return -EPROBE_DEFER; | |
f0fba2ad LG |
918 | } |
919 | ||
88bd870f | 920 | rtd->num_codecs = dai_link->num_codecs; |
848dd8be | 921 | |
88bd870f BC |
922 | /* Find CODEC from registered CODECs */ |
923 | for (i = 0; i < rtd->num_codecs; i++) { | |
14621c7e | 924 | codec_dais[i] = snd_soc_find_dai(&codecs[i]); |
88bd870f BC |
925 | if (!codec_dais[i]) { |
926 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
927 | codecs[i].dai_name); | |
928 | return -EPROBE_DEFER; | |
929 | } | |
12023a9a MLC |
930 | } |
931 | ||
88bd870f BC |
932 | /* Single codec links expect codec and codec_dai in runtime data */ |
933 | rtd->codec_dai = codec_dais[0]; | |
934 | rtd->codec = rtd->codec_dai->codec; | |
935 | ||
848dd8be MB |
936 | /* if there's no platform we match on the empty platform */ |
937 | platform_name = dai_link->platform_name; | |
5a504963 | 938 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
939 | platform_name = "snd-soc-dummy"; |
940 | ||
b19e6e7b | 941 | /* find one from the set of registered platforms */ |
f0fba2ad | 942 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
943 | if (dai_link->platform_of_node) { |
944 | if (platform->dev->of_node != | |
945 | dai_link->platform_of_node) | |
946 | continue; | |
947 | } else { | |
f4333203 | 948 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
949 | continue; |
950 | } | |
2610ab77 SW |
951 | |
952 | rtd->platform = platform; | |
02a06d30 | 953 | } |
b19e6e7b | 954 | if (!rtd->platform) { |
f110bfc7 | 955 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 956 | dai_link->platform_name); |
b19e6e7b | 957 | return -EPROBE_DEFER; |
f0fba2ad | 958 | } |
b19e6e7b MB |
959 | |
960 | card->num_rtd++; | |
961 | ||
962 | return 0; | |
f0fba2ad LG |
963 | } |
964 | ||
f1d45cc3 | 965 | static void soc_remove_component(struct snd_soc_component *component) |
d12cd198 | 966 | { |
70090bbb LPC |
967 | if (!component->probed) |
968 | return; | |
969 | ||
f1d45cc3 LPC |
970 | /* This is a HACK and will be removed soon */ |
971 | if (component->codec) | |
972 | list_del(&component->codec->card_list); | |
589c3563 | 973 | |
f1d45cc3 LPC |
974 | if (component->remove) |
975 | component->remove(component); | |
589c3563 | 976 | |
f1d45cc3 | 977 | snd_soc_dapm_free(snd_soc_component_get_dapm(component)); |
589c3563 | 978 | |
f1d45cc3 LPC |
979 | soc_cleanup_component_debugfs(component); |
980 | component->probed = 0; | |
981 | module_put(component->dev->driver->owner); | |
589c3563 JN |
982 | } |
983 | ||
e60cd14f | 984 | static void soc_remove_dai(struct snd_soc_dai *dai, int order) |
f0fba2ad | 985 | { |
f0fba2ad LG |
986 | int err; |
987 | ||
e60cd14f LPC |
988 | if (dai && dai->probed && |
989 | dai->driver->remove_order == order) { | |
990 | if (dai->driver->remove) { | |
991 | err = dai->driver->remove(dai); | |
f0fba2ad | 992 | if (err < 0) |
e60cd14f | 993 | dev_err(dai->dev, |
f110bfc7 | 994 | "ASoC: failed to remove %s: %d\n", |
e60cd14f | 995 | dai->name, err); |
6b05eda6 | 996 | } |
e60cd14f | 997 | dai->probed = 0; |
f0fba2ad | 998 | } |
b0aa88af MLC |
999 | } |
1000 | ||
1001 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
1002 | { | |
1003 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
e60cd14f | 1004 | int i; |
b0aa88af MLC |
1005 | |
1006 | /* unregister the rtd device */ | |
1007 | if (rtd->dev_registered) { | |
1008 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
1009 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1010 | device_unregister(rtd->dev); | |
1011 | rtd->dev_registered = 0; | |
1012 | } | |
1013 | ||
1014 | /* remove the CODEC DAI */ | |
88bd870f | 1015 | for (i = 0; i < rtd->num_codecs; i++) |
e60cd14f | 1016 | soc_remove_dai(rtd->codec_dais[i], order); |
6b05eda6 | 1017 | |
e60cd14f | 1018 | soc_remove_dai(rtd->cpu_dai, order); |
f0fba2ad | 1019 | } |
db2a4165 | 1020 | |
62ae68fa SW |
1021 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1022 | int order) | |
1023 | { | |
1024 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1025 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa | 1026 | struct snd_soc_platform *platform = rtd->platform; |
61aca564 | 1027 | struct snd_soc_component *component; |
88bd870f | 1028 | int i; |
62ae68fa SW |
1029 | |
1030 | /* remove the platform */ | |
70090bbb | 1031 | if (platform && platform->component.driver->remove_order == order) |
f1d45cc3 | 1032 | soc_remove_component(&platform->component); |
62ae68fa SW |
1033 | |
1034 | /* remove the CODEC-side CODEC */ | |
88bd870f | 1035 | for (i = 0; i < rtd->num_codecs; i++) { |
61aca564 | 1036 | component = rtd->codec_dais[i]->component; |
70090bbb | 1037 | if (component->driver->remove_order == order) |
61aca564 | 1038 | soc_remove_component(component); |
62ae68fa SW |
1039 | } |
1040 | ||
1041 | /* remove any CPU-side CODEC */ | |
1042 | if (cpu_dai) { | |
70090bbb | 1043 | if (cpu_dai->component->driver->remove_order == order) |
61aca564 | 1044 | soc_remove_component(cpu_dai->component); |
62ae68fa SW |
1045 | } |
1046 | } | |
1047 | ||
0671fd8e KM |
1048 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1049 | { | |
0168bf0d | 1050 | int dai, order; |
0671fd8e | 1051 | |
0168bf0d LG |
1052 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1053 | order++) { | |
1054 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1055 | soc_remove_link_dais(card, dai, order); |
1056 | } | |
1057 | ||
1058 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1059 | order++) { | |
1060 | for (dai = 0; dai < card->num_rtd; dai++) | |
1061 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1062 | } |
62ae68fa | 1063 | |
0671fd8e KM |
1064 | card->num_rtd = 0; |
1065 | } | |
1066 | ||
ead9b919 | 1067 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1068 | struct snd_soc_component *component) |
ead9b919 JN |
1069 | { |
1070 | int i; | |
1071 | ||
ff819b83 | 1072 | if (card->codec_conf == NULL) |
ead9b919 JN |
1073 | return; |
1074 | ||
ff819b83 DP |
1075 | for (i = 0; i < card->num_configs; i++) { |
1076 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1077 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1078 | continue; |
94f99c87 | 1079 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1080 | continue; |
94f99c87 | 1081 | component->name_prefix = map->name_prefix; |
3ca041ed | 1082 | break; |
ead9b919 JN |
1083 | } |
1084 | } | |
1085 | ||
f1d45cc3 LPC |
1086 | static int soc_probe_component(struct snd_soc_card *card, |
1087 | struct snd_soc_component *component) | |
589c3563 | 1088 | { |
f1d45cc3 LPC |
1089 | struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
1090 | struct snd_soc_component *dai_component, *component2; | |
888df395 | 1091 | struct snd_soc_dai *dai; |
f1d45cc3 | 1092 | int ret; |
589c3563 | 1093 | |
70090bbb LPC |
1094 | if (component->probed) |
1095 | return 0; | |
1096 | ||
f1d45cc3 LPC |
1097 | component->card = card; |
1098 | dapm->card = card; | |
1099 | soc_set_name_prefix(card, component); | |
589c3563 | 1100 | |
f1d45cc3 | 1101 | if (!try_module_get(component->dev->driver->owner)) |
70d29331 JN |
1102 | return -ENODEV; |
1103 | ||
f1d45cc3 | 1104 | soc_init_component_debugfs(component); |
d5d1e0be | 1105 | |
f1d45cc3 LPC |
1106 | if (component->dapm_widgets) { |
1107 | ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets, | |
1108 | component->num_dapm_widgets); | |
b318ad50 NP |
1109 | |
1110 | if (ret != 0) { | |
f1d45cc3 | 1111 | dev_err(component->dev, |
b318ad50 NP |
1112 | "Failed to create new controls %d\n", ret); |
1113 | goto err_probe; | |
1114 | } | |
1115 | } | |
77530150 | 1116 | |
f1d45cc3 LPC |
1117 | /* |
1118 | * This is rather ugly, but certain platforms expect that the DAPM | |
1119 | * widgets for the DAIs for components with the same parent device are | |
1120 | * created in the platforms DAPM context. Until that is fixed we need to | |
1121 | * keep this. | |
1122 | */ | |
1123 | if (component->steal_sibling_dai_widgets) { | |
1124 | dai_component = NULL; | |
1125 | list_for_each_entry(component2, &component_list, list) { | |
1126 | if (component == component2) | |
1127 | continue; | |
261edc70 | 1128 | |
f1d45cc3 LPC |
1129 | if (component2->dev == component->dev && |
1130 | !list_empty(&component2->dai_list)) { | |
1131 | dai_component = component2; | |
1132 | break; | |
1133 | } | |
261edc70 | 1134 | } |
f1d45cc3 LPC |
1135 | } else { |
1136 | dai_component = component; | |
1137 | list_for_each_entry(component2, &component_list, list) { | |
1138 | if (component2->dev == component->dev && | |
1139 | component2->steal_sibling_dai_widgets) { | |
1140 | dai_component = NULL; | |
1141 | break; | |
1142 | } | |
589c3563 JN |
1143 | } |
1144 | } | |
1145 | ||
f1d45cc3 LPC |
1146 | if (dai_component) { |
1147 | list_for_each_entry(dai, &dai_component->dai_list, list) { | |
1148 | snd_soc_dapm_new_dai_widgets(dapm, dai); | |
1149 | if (ret != 0) { | |
1150 | dev_err(component->dev, | |
1151 | "Failed to create DAI widgets %d\n", | |
1152 | ret); | |
1153 | goto err_probe; | |
1154 | } | |
1155 | } | |
be09ad90 LG |
1156 | } |
1157 | ||
f1d45cc3 LPC |
1158 | if (component->probe) { |
1159 | ret = component->probe(component); | |
956245e9 | 1160 | if (ret < 0) { |
f1d45cc3 LPC |
1161 | dev_err(component->dev, |
1162 | "ASoC: failed to probe component %d\n", ret); | |
956245e9 LG |
1163 | goto err_probe; |
1164 | } | |
f1d45cc3 LPC |
1165 | |
1166 | WARN(dapm->idle_bias_off && | |
1167 | dapm->bias_level != SND_SOC_BIAS_OFF, | |
1168 | "codec %s can not start from non-off bias with idle_bias_off==1\n", | |
1169 | component->name); | |
956245e9 LG |
1170 | } |
1171 | ||
f1d45cc3 LPC |
1172 | if (component->controls) |
1173 | snd_soc_add_component_controls(component, component->controls, | |
1174 | component->num_controls); | |
1175 | if (component->dapm_routes) | |
1176 | snd_soc_dapm_add_routes(dapm, component->dapm_routes, | |
1177 | component->num_dapm_routes); | |
1178 | ||
1179 | component->probed = 1; | |
1180 | list_add(&dapm->list, &card->dapm_list); | |
cb2cf612 | 1181 | |
f1d45cc3 LPC |
1182 | /* This is a HACK and will be removed soon */ |
1183 | if (component->codec) | |
1184 | list_add(&component->codec->card_list, &card->codec_dev_list); | |
956245e9 LG |
1185 | |
1186 | return 0; | |
1187 | ||
1188 | err_probe: | |
f1d45cc3 LPC |
1189 | soc_cleanup_component_debugfs(component); |
1190 | module_put(component->dev->driver->owner); | |
956245e9 LG |
1191 | |
1192 | return ret; | |
1193 | } | |
1194 | ||
36ae1a96 MB |
1195 | static void rtd_release(struct device *dev) |
1196 | { | |
1197 | kfree(dev); | |
1198 | } | |
f0fba2ad | 1199 | |
5f3484ac LPC |
1200 | static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, |
1201 | const char *name) | |
503ae5e0 | 1202 | { |
589c3563 JN |
1203 | int ret = 0; |
1204 | ||
589c3563 | 1205 | /* register the rtd device */ |
36ae1a96 MB |
1206 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1207 | if (!rtd->dev) | |
1208 | return -ENOMEM; | |
1209 | device_initialize(rtd->dev); | |
5f3484ac | 1210 | rtd->dev->parent = rtd->card->dev; |
36ae1a96 MB |
1211 | rtd->dev->release = rtd_release; |
1212 | rtd->dev->init_name = name; | |
1213 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1214 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1215 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1216 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1217 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1218 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1219 | ret = device_add(rtd->dev); |
589c3563 | 1220 | if (ret < 0) { |
865df9cb CL |
1221 | /* calling put_device() here to free the rtd->dev */ |
1222 | put_device(rtd->dev); | |
5f3484ac | 1223 | dev_err(rtd->card->dev, |
f110bfc7 | 1224 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1225 | return ret; |
1226 | } | |
1227 | rtd->dev_registered = 1; | |
1228 | ||
93c3ce76 LPC |
1229 | if (rtd->codec) { |
1230 | /* add DAPM sysfs entries for this codec */ | |
1231 | ret = snd_soc_dapm_sys_add(rtd->dev); | |
1232 | if (ret < 0) | |
1233 | dev_err(rtd->dev, | |
1234 | "ASoC: failed to add codec dapm sysfs entries: %d\n", | |
1235 | ret); | |
1236 | ||
1237 | /* add codec sysfs entries */ | |
1238 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); | |
1239 | if (ret < 0) | |
1240 | dev_err(rtd->dev, | |
1241 | "ASoC: failed to add codec sysfs files: %d\n", | |
1242 | ret); | |
1243 | } | |
589c3563 JN |
1244 | |
1245 | return 0; | |
1246 | } | |
1247 | ||
62ae68fa SW |
1248 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1249 | int order) | |
1250 | { | |
1251 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
62ae68fa | 1252 | struct snd_soc_platform *platform = rtd->platform; |
f1d45cc3 | 1253 | struct snd_soc_component *component; |
88bd870f | 1254 | int i, ret; |
62ae68fa SW |
1255 | |
1256 | /* probe the CPU-side component, if it is a CODEC */ | |
61aca564 | 1257 | component = rtd->cpu_dai->component; |
70090bbb | 1258 | if (component->driver->probe_order == order) { |
61aca564 LPC |
1259 | ret = soc_probe_component(card, component); |
1260 | if (ret < 0) | |
1261 | return ret; | |
62ae68fa SW |
1262 | } |
1263 | ||
88bd870f BC |
1264 | /* probe the CODEC-side components */ |
1265 | for (i = 0; i < rtd->num_codecs; i++) { | |
61aca564 | 1266 | component = rtd->codec_dais[i]->component; |
70090bbb | 1267 | if (component->driver->probe_order == order) { |
f1d45cc3 | 1268 | ret = soc_probe_component(card, component); |
88bd870f BC |
1269 | if (ret < 0) |
1270 | return ret; | |
1271 | } | |
62ae68fa SW |
1272 | } |
1273 | ||
1274 | /* probe the platform */ | |
70090bbb | 1275 | if (platform->component.driver->probe_order == order) { |
f1d45cc3 | 1276 | ret = soc_probe_component(card, &platform->component); |
62ae68fa SW |
1277 | if (ret < 0) |
1278 | return ret; | |
1279 | } | |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
b0aa88af MLC |
1284 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1285 | struct snd_soc_dai *codec_dai, | |
1286 | int order) | |
1287 | { | |
1288 | int ret; | |
1289 | ||
1290 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1291 | if (codec_dai->driver->probe) { | |
1292 | ret = codec_dai->driver->probe(codec_dai); | |
1293 | if (ret < 0) { | |
1294 | dev_err(codec_dai->dev, | |
1295 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1296 | codec_dai->name, ret); | |
1297 | return ret; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | /* mark codec_dai as probed and add to card dai list */ | |
1302 | codec_dai->probed = 1; | |
b0aa88af MLC |
1303 | } |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
2436a723 MLC |
1308 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1309 | struct snd_soc_dai_link *dai_link, | |
3f901a02 | 1310 | struct snd_soc_pcm_runtime *rtd) |
2436a723 | 1311 | { |
3f901a02 BC |
1312 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1313 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
2436a723 MLC |
1314 | struct snd_soc_dapm_widget *play_w, *capture_w; |
1315 | int ret; | |
1316 | ||
88bd870f BC |
1317 | if (rtd->num_codecs > 1) |
1318 | dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n"); | |
1319 | ||
2436a723 MLC |
1320 | /* link the DAI widgets */ |
1321 | play_w = codec_dai->playback_widget; | |
1322 | capture_w = cpu_dai->capture_widget; | |
1323 | if (play_w && capture_w) { | |
1324 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1325 | capture_w, play_w); | |
1326 | if (ret != 0) { | |
1327 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1328 | play_w->name, capture_w->name, ret); | |
1329 | return ret; | |
1330 | } | |
1331 | } | |
1332 | ||
1333 | play_w = cpu_dai->playback_widget; | |
1334 | capture_w = codec_dai->capture_widget; | |
1335 | if (play_w && capture_w) { | |
1336 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1337 | capture_w, play_w); | |
1338 | if (ret != 0) { | |
1339 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1340 | play_w->name, capture_w->name, ret); | |
1341 | return ret; | |
1342 | } | |
1343 | } | |
1344 | ||
1345 | return 0; | |
1346 | } | |
1347 | ||
62ae68fa | 1348 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1349 | { |
1350 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1351 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad | 1352 | struct snd_soc_platform *platform = rtd->platform; |
c74184ed | 1353 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
88bd870f | 1354 | int i, ret; |
f0fba2ad | 1355 | |
f110bfc7 | 1356 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1357 | card->name, num, order); |
f0fba2ad LG |
1358 | |
1359 | /* config components */ | |
f0fba2ad | 1360 | cpu_dai->platform = platform; |
f0fba2ad | 1361 | cpu_dai->card = card; |
88bd870f BC |
1362 | for (i = 0; i < rtd->num_codecs; i++) |
1363 | rtd->codec_dais[i]->card = card; | |
f0fba2ad LG |
1364 | |
1365 | /* set default power off timeout */ | |
1366 | rtd->pmdown_time = pmdown_time; | |
1367 | ||
1368 | /* probe the cpu_dai */ | |
0168bf0d LG |
1369 | if (!cpu_dai->probed && |
1370 | cpu_dai->driver->probe_order == order) { | |
f0fba2ad LG |
1371 | if (cpu_dai->driver->probe) { |
1372 | ret = cpu_dai->driver->probe(cpu_dai); | |
1373 | if (ret < 0) { | |
f110bfc7 LG |
1374 | dev_err(cpu_dai->dev, |
1375 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1376 | cpu_dai->name, ret); | |
f0fba2ad LG |
1377 | return ret; |
1378 | } | |
1379 | } | |
1380 | cpu_dai->probed = 1; | |
db2a4165 FM |
1381 | } |
1382 | ||
f0fba2ad | 1383 | /* probe the CODEC DAI */ |
88bd870f BC |
1384 | for (i = 0; i < rtd->num_codecs; i++) { |
1385 | ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order); | |
1386 | if (ret) | |
1387 | return ret; | |
1388 | } | |
fe3e78e0 | 1389 | |
0168bf0d LG |
1390 | /* complete DAI probe during last probe */ |
1391 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1392 | return 0; | |
1393 | ||
5f3484ac LPC |
1394 | /* do machine specific initialization */ |
1395 | if (dai_link->init) { | |
1396 | ret = dai_link->init(rtd); | |
1397 | if (ret < 0) { | |
1398 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1399 | dai_link->name, ret); | |
1400 | return ret; | |
1401 | } | |
1402 | } | |
1403 | ||
1404 | ret = soc_post_component_init(rtd, dai_link->name); | |
589c3563 | 1405 | if (ret) |
f0fba2ad | 1406 | return ret; |
fe3e78e0 | 1407 | |
5f3484ac LPC |
1408 | #ifdef CONFIG_DEBUG_FS |
1409 | /* add DPCM sysfs entries */ | |
1410 | if (dai_link->dynamic) { | |
1411 | ret = soc_dpcm_debugfs_add(rtd); | |
1412 | if (ret < 0) { | |
1413 | dev_err(rtd->dev, | |
1414 | "ASoC: failed to add dpcm sysfs entries: %d\n", | |
1415 | ret); | |
1416 | return ret; | |
1417 | } | |
1418 | } | |
1419 | #endif | |
1420 | ||
36ae1a96 | 1421 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1422 | if (ret < 0) |
f110bfc7 LG |
1423 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1424 | ret); | |
f0fba2ad | 1425 | |
1245b700 NK |
1426 | if (cpu_dai->driver->compress_dai) { |
1427 | /*create compress_device"*/ | |
1428 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1429 | if (ret < 0) { |
f110bfc7 | 1430 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1431 | dai_link->stream_name); |
c74184ed MB |
1432 | return ret; |
1433 | } | |
1434 | } else { | |
1245b700 NK |
1435 | |
1436 | if (!dai_link->params) { | |
1437 | /* create the pcm */ | |
1438 | ret = soc_new_pcm(rtd, num); | |
1439 | if (ret < 0) { | |
f110bfc7 | 1440 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1441 | dai_link->stream_name, ret); |
c74184ed MB |
1442 | return ret; |
1443 | } | |
1245b700 | 1444 | } else { |
9d58a077 RF |
1445 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1446 | codec2codec_close_delayed_work); | |
1447 | ||
1245b700 | 1448 | /* link the DAI widgets */ |
3f901a02 | 1449 | ret = soc_link_dai_widgets(card, dai_link, rtd); |
2436a723 MLC |
1450 | if (ret) |
1451 | return ret; | |
c74184ed | 1452 | } |
f0fba2ad LG |
1453 | } |
1454 | ||
1455 | /* add platform data for AC97 devices */ | |
88bd870f BC |
1456 | for (i = 0; i < rtd->num_codecs; i++) { |
1457 | if (rtd->codec_dais[i]->driver->ac97_control) | |
1458 | snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97, | |
1459 | rtd->cpu_dai->ac97_pdata); | |
1460 | } | |
f0fba2ad LG |
1461 | |
1462 | return 0; | |
1463 | } | |
1464 | ||
fe3e78e0 | 1465 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 MLC |
1466 | static int soc_register_ac97_codec(struct snd_soc_codec *codec, |
1467 | struct snd_soc_dai *codec_dai) | |
f0fba2ad LG |
1468 | { |
1469 | int ret; | |
1470 | ||
fe3e78e0 MB |
1471 | /* Only instantiate AC97 if not already done by the adaptor |
1472 | * for the generic AC97 subsystem. | |
1473 | */ | |
02c9c7b9 | 1474 | if (codec_dai->driver->ac97_control && !codec->ac97_registered) { |
0562f788 MW |
1475 | /* |
1476 | * It is possible that the AC97 device is already registered to | |
1477 | * the device subsystem. This happens when the device is created | |
1478 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1479 | * is the generic AC97 glue but others migh emerge. | |
1480 | * | |
1481 | * In those cases we don't try to register the device again. | |
1482 | */ | |
02c9c7b9 | 1483 | if (!codec->ac97_created) |
0562f788 | 1484 | return 0; |
f0fba2ad | 1485 | |
02c9c7b9 | 1486 | ret = soc_ac97_dev_register(codec); |
fe3e78e0 | 1487 | if (ret < 0) { |
02c9c7b9 | 1488 | dev_err(codec->dev, |
f110bfc7 | 1489 | "ASoC: AC97 device register failed: %d\n", ret); |
f0fba2ad | 1490 | return ret; |
fe3e78e0 | 1491 | } |
f0fba2ad | 1492 | |
02c9c7b9 | 1493 | codec->ac97_registered = 1; |
fe3e78e0 | 1494 | } |
f0fba2ad LG |
1495 | return 0; |
1496 | } | |
1497 | ||
02c9c7b9 | 1498 | static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) |
f0fba2ad LG |
1499 | { |
1500 | if (codec->ac97_registered) { | |
1501 | soc_ac97_dev_unregister(codec); | |
1502 | codec->ac97_registered = 0; | |
1503 | } | |
1504 | } | |
02c9c7b9 | 1505 | |
88bd870f BC |
1506 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1507 | { | |
1508 | int i, ret; | |
1509 | ||
1510 | for (i = 0; i < rtd->num_codecs; i++) { | |
1511 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; | |
1512 | ||
1513 | ret = soc_register_ac97_codec(codec_dai->codec, codec_dai); | |
1514 | if (ret) { | |
1515 | while (--i >= 0) | |
1516 | soc_unregister_ac97_codec(codec_dai->codec); | |
1517 | return ret; | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | return 0; | |
1522 | } | |
1523 | ||
02c9c7b9 MLC |
1524 | static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1525 | { | |
88bd870f BC |
1526 | int i; |
1527 | ||
1528 | for (i = 0; i < rtd->num_codecs; i++) | |
1529 | soc_unregister_ac97_codec(rtd->codec_dais[i]->codec); | |
02c9c7b9 | 1530 | } |
fe3e78e0 MB |
1531 | #endif |
1532 | ||
44c69bb1 | 1533 | static int soc_bind_aux_dev(struct snd_soc_card *card, int num) |
3ca041ed | 1534 | { |
44c69bb1 | 1535 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
3ca041ed | 1536 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
65d9361f | 1537 | const char *name = aux_dev->codec_name; |
3ca041ed | 1538 | |
65d9361f LPC |
1539 | rtd->component = soc_find_component(aux_dev->codec_of_node, name); |
1540 | if (!rtd->component) { | |
3ca041ed | 1541 | if (aux_dev->codec_of_node) |
65d9361f | 1542 | name = of_node_full_name(aux_dev->codec_of_node); |
3ca041ed | 1543 | |
65d9361f | 1544 | dev_err(card->dev, "ASoC: %s not registered\n", name); |
3ca041ed SR |
1545 | return -EPROBE_DEFER; |
1546 | } | |
fb099cb7 | 1547 | |
65d9361f LPC |
1548 | /* |
1549 | * Some places still reference rtd->codec, so we have to keep that | |
1550 | * initialized if the component is a CODEC. Once all those references | |
1551 | * have been removed, this code can be removed as well. | |
1552 | */ | |
1553 | rtd->codec = rtd->component->codec; | |
1554 | ||
44c69bb1 | 1555 | return 0; |
b19e6e7b MB |
1556 | } |
1557 | ||
2eea392d JN |
1558 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1559 | { | |
44c69bb1 | 1560 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
2eea392d | 1561 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
44c69bb1 | 1562 | int ret; |
3ca041ed | 1563 | |
65d9361f | 1564 | ret = soc_probe_component(card, rtd->component); |
2eea392d | 1565 | if (ret < 0) |
589c3563 | 1566 | return ret; |
2eea392d | 1567 | |
5f3484ac LPC |
1568 | /* do machine specific initialization */ |
1569 | if (aux_dev->init) { | |
57bf7726 | 1570 | ret = aux_dev->init(rtd->component); |
5f3484ac LPC |
1571 | if (ret < 0) { |
1572 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1573 | aux_dev->name, ret); | |
1574 | return ret; | |
1575 | } | |
1576 | } | |
2eea392d | 1577 | |
5f3484ac | 1578 | return soc_post_component_init(rtd, aux_dev->name); |
2eea392d JN |
1579 | } |
1580 | ||
1581 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1582 | { | |
1583 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
65d9361f | 1584 | struct snd_soc_component *component = rtd->component; |
2eea392d JN |
1585 | |
1586 | /* unregister the rtd device */ | |
1587 | if (rtd->dev_registered) { | |
36ae1a96 | 1588 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1589 | device_unregister(rtd->dev); |
2eea392d JN |
1590 | rtd->dev_registered = 0; |
1591 | } | |
1592 | ||
65d9361f LPC |
1593 | if (component && component->probed) |
1594 | soc_remove_component(component); | |
2eea392d JN |
1595 | } |
1596 | ||
f90fb3f7 | 1597 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1598 | { |
1599 | int ret; | |
1600 | ||
1601 | if (codec->cache_init) | |
1602 | return 0; | |
1603 | ||
fdf0f54d DP |
1604 | ret = snd_soc_cache_init(codec); |
1605 | if (ret < 0) { | |
10e8aa9a MM |
1606 | dev_err(codec->dev, |
1607 | "ASoC: Failed to set cache compression type: %d\n", | |
1608 | ret); | |
fdf0f54d DP |
1609 | return ret; |
1610 | } | |
1611 | codec->cache_init = 1; | |
1612 | return 0; | |
1613 | } | |
1614 | ||
b19e6e7b | 1615 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1616 | { |
fdf0f54d | 1617 | struct snd_soc_codec *codec; |
75d9ac46 | 1618 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1619 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1620 | |
01b9d99a | 1621 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1622 | |
f0fba2ad | 1623 | /* bind DAIs */ |
b19e6e7b MB |
1624 | for (i = 0; i < card->num_links; i++) { |
1625 | ret = soc_bind_dai_link(card, i); | |
1626 | if (ret != 0) | |
1627 | goto base_error; | |
1628 | } | |
fe3e78e0 | 1629 | |
44c69bb1 | 1630 | /* bind aux_devs too */ |
b19e6e7b | 1631 | for (i = 0; i < card->num_aux_devs; i++) { |
44c69bb1 | 1632 | ret = soc_bind_aux_dev(card, i); |
b19e6e7b MB |
1633 | if (ret != 0) |
1634 | goto base_error; | |
f0fba2ad | 1635 | } |
435c5e25 | 1636 | |
fdf0f54d DP |
1637 | /* initialize the register cache for each available codec */ |
1638 | list_for_each_entry(codec, &codec_list, list) { | |
1639 | if (codec->cache_init) | |
1640 | continue; | |
f90fb3f7 | 1641 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1642 | if (ret < 0) |
1643 | goto base_error; | |
fdf0f54d DP |
1644 | } |
1645 | ||
f0fba2ad | 1646 | /* card bind complete so register a sound card */ |
102b5a8d | 1647 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1648 | card->owner, 0, &card->snd_card); |
1649 | if (ret < 0) { | |
10e8aa9a MM |
1650 | dev_err(card->dev, |
1651 | "ASoC: can't create sound card for card %s: %d\n", | |
1652 | card->name, ret); | |
b19e6e7b | 1653 | goto base_error; |
f0fba2ad | 1654 | } |
f0fba2ad | 1655 | |
e37a4970 MB |
1656 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1657 | card->dapm.dev = card->dev; | |
1658 | card->dapm.card = card; | |
1659 | list_add(&card->dapm.list, &card->dapm_list); | |
1660 | ||
d5d1e0be LPC |
1661 | #ifdef CONFIG_DEBUG_FS |
1662 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1663 | #endif | |
1664 | ||
88ee1c61 | 1665 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1666 | /* deferred resume work */ |
1667 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1668 | #endif | |
db2a4165 | 1669 | |
9a841ebb MB |
1670 | if (card->dapm_widgets) |
1671 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1672 | card->num_dapm_widgets); | |
1673 | ||
f0fba2ad LG |
1674 | /* initialise the sound card only once */ |
1675 | if (card->probe) { | |
e7361ec4 | 1676 | ret = card->probe(card); |
f0fba2ad LG |
1677 | if (ret < 0) |
1678 | goto card_probe_error; | |
1679 | } | |
fe3e78e0 | 1680 | |
62ae68fa | 1681 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1682 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1683 | order++) { | |
1684 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1685 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1686 | if (ret < 0) { |
f110bfc7 LG |
1687 | dev_err(card->dev, |
1688 | "ASoC: failed to instantiate card %d\n", | |
1689 | ret); | |
62ae68fa SW |
1690 | goto probe_dai_err; |
1691 | } | |
1692 | } | |
1693 | } | |
1694 | ||
1695 | /* probe all DAI links on this card */ | |
1696 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1697 | order++) { | |
1698 | for (i = 0; i < card->num_links; i++) { | |
1699 | ret = soc_probe_link_dais(card, i, order); | |
1700 | if (ret < 0) { | |
f110bfc7 LG |
1701 | dev_err(card->dev, |
1702 | "ASoC: failed to instantiate card %d\n", | |
1703 | ret); | |
0168bf0d LG |
1704 | goto probe_dai_err; |
1705 | } | |
f0fba2ad LG |
1706 | } |
1707 | } | |
db2a4165 | 1708 | |
2eea392d JN |
1709 | for (i = 0; i < card->num_aux_devs; i++) { |
1710 | ret = soc_probe_aux_dev(card, i); | |
1711 | if (ret < 0) { | |
f110bfc7 LG |
1712 | dev_err(card->dev, |
1713 | "ASoC: failed to add auxiliary devices %d\n", | |
1714 | ret); | |
2eea392d JN |
1715 | goto probe_aux_dev_err; |
1716 | } | |
1717 | } | |
1718 | ||
888df395 | 1719 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1720 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1721 | |
b7af1daf | 1722 | if (card->controls) |
022658be | 1723 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1724 | |
b8ad29de MB |
1725 | if (card->dapm_routes) |
1726 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1727 | card->num_dapm_routes); | |
1728 | ||
75d9ac46 | 1729 | for (i = 0; i < card->num_links; i++) { |
88bd870f | 1730 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
75d9ac46 | 1731 | dai_link = &card->dai_link[i]; |
f04209a7 | 1732 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1733 | |
f04209a7 | 1734 | if (dai_fmt) { |
88bd870f BC |
1735 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
1736 | int j; | |
1737 | ||
1738 | for (j = 0; j < rtd->num_codecs; j++) { | |
1739 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
1740 | ||
1741 | ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); | |
1742 | if (ret != 0 && ret != -ENOTSUPP) | |
1743 | dev_warn(codec_dai->dev, | |
1744 | "ASoC: Failed to set DAI format: %d\n", | |
1745 | ret); | |
1746 | } | |
f04209a7 MB |
1747 | } |
1748 | ||
1749 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1750 | if (dai_fmt && |
1751 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1752 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1753 | dai_fmt); | |
1754 | if (ret != 0 && ret != -ENOTSUPP) | |
1755 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1756 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1757 | ret); |
1758 | } else if (dai_fmt) { | |
1759 | /* Flip the polarity for the "CPU" end */ | |
1760 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1761 | switch (dai_link->dai_fmt & | |
1762 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1763 | case SND_SOC_DAIFMT_CBM_CFM: | |
1764 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1765 | break; | |
1766 | case SND_SOC_DAIFMT_CBM_CFS: | |
1767 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1768 | break; | |
1769 | case SND_SOC_DAIFMT_CBS_CFM: | |
1770 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1771 | break; | |
1772 | case SND_SOC_DAIFMT_CBS_CFS: | |
1773 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1774 | break; | |
1775 | } | |
75d9ac46 MB |
1776 | |
1777 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1778 | dai_fmt); |
5e4ba569 | 1779 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1780 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1781 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1782 | ret); |
1783 | } | |
1784 | } | |
1785 | ||
f0fba2ad | 1786 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1787 | "%s", card->name); |
22de71ba LG |
1788 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1789 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1790 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1791 | "%s", card->driver_name ? card->driver_name : card->name); | |
1792 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1793 | switch (card->snd_card->driver[i]) { | |
1794 | case '_': | |
1795 | case '-': | |
1796 | case '\0': | |
1797 | break; | |
1798 | default: | |
1799 | if (!isalnum(card->snd_card->driver[i])) | |
1800 | card->snd_card->driver[i] = '_'; | |
1801 | break; | |
1802 | } | |
1803 | } | |
f0fba2ad | 1804 | |
28e9ad92 MB |
1805 | if (card->late_probe) { |
1806 | ret = card->late_probe(card); | |
1807 | if (ret < 0) { | |
f110bfc7 | 1808 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1809 | card->name, ret); |
1810 | goto probe_aux_dev_err; | |
1811 | } | |
1812 | } | |
1813 | ||
1633281b | 1814 | if (card->fully_routed) |
7df37884 | 1815 | snd_soc_dapm_auto_nc_pins(card); |
1633281b | 1816 | |
824ef826 | 1817 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1818 | |
f0fba2ad LG |
1819 | ret = snd_card_register(card->snd_card); |
1820 | if (ret < 0) { | |
f110bfc7 LG |
1821 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1822 | ret); | |
6b3ed785 | 1823 | goto probe_aux_dev_err; |
db2a4165 FM |
1824 | } |
1825 | ||
f0fba2ad LG |
1826 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1827 | /* register any AC97 codecs */ | |
1828 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1829 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1830 | if (ret < 0) { | |
10e8aa9a MM |
1831 | dev_err(card->dev, |
1832 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1833 | while (--i >= 0) |
02c9c7b9 | 1834 | soc_unregister_ac97_dai_link(&card->rtd[i]); |
6b3ed785 | 1835 | goto probe_aux_dev_err; |
f0fba2ad | 1836 | } |
6b3ed785 | 1837 | } |
f0fba2ad LG |
1838 | #endif |
1839 | ||
1840 | card->instantiated = 1; | |
4f4c0072 | 1841 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1842 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1843 | |
1844 | return 0; | |
f0fba2ad | 1845 | |
2eea392d JN |
1846 | probe_aux_dev_err: |
1847 | for (i = 0; i < card->num_aux_devs; i++) | |
1848 | soc_remove_aux_dev(card, i); | |
1849 | ||
f0fba2ad | 1850 | probe_dai_err: |
0671fd8e | 1851 | soc_remove_dai_links(card); |
f0fba2ad LG |
1852 | |
1853 | card_probe_error: | |
87506549 | 1854 | if (card->remove) |
e7361ec4 | 1855 | card->remove(card); |
f0fba2ad LG |
1856 | |
1857 | snd_card_free(card->snd_card); | |
1858 | ||
b19e6e7b | 1859 | base_error: |
f0fba2ad | 1860 | mutex_unlock(&card->mutex); |
db2a4165 | 1861 | |
b19e6e7b | 1862 | return ret; |
435c5e25 MB |
1863 | } |
1864 | ||
1865 | /* probes a new socdev */ | |
1866 | static int soc_probe(struct platform_device *pdev) | |
1867 | { | |
f0fba2ad | 1868 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1869 | |
70a7ca34 VK |
1870 | /* |
1871 | * no card, so machine driver should be registering card | |
1872 | * we should not be here in that case so ret error | |
1873 | */ | |
1874 | if (!card) | |
1875 | return -EINVAL; | |
1876 | ||
fe4085e8 | 1877 | dev_warn(&pdev->dev, |
f110bfc7 | 1878 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1879 | card->name); |
1880 | ||
435c5e25 MB |
1881 | /* Bodge while we unpick instantiation */ |
1882 | card->dev = &pdev->dev; | |
f0fba2ad | 1883 | |
28d528c8 | 1884 | return snd_soc_register_card(card); |
db2a4165 FM |
1885 | } |
1886 | ||
b0e26485 | 1887 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1888 | { |
1889 | int i; | |
db2a4165 | 1890 | |
b0e26485 VK |
1891 | /* make sure any delayed work runs */ |
1892 | for (i = 0; i < card->num_rtd; i++) { | |
1893 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1894 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1895 | } |
914dc182 | 1896 | |
b0e26485 VK |
1897 | /* remove auxiliary devices */ |
1898 | for (i = 0; i < card->num_aux_devs; i++) | |
1899 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1900 | |
b0e26485 | 1901 | /* remove and free each DAI */ |
0671fd8e | 1902 | soc_remove_dai_links(card); |
2eea392d | 1903 | |
b0e26485 | 1904 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1905 | |
b0e26485 VK |
1906 | /* remove the card */ |
1907 | if (card->remove) | |
e7361ec4 | 1908 | card->remove(card); |
a6052154 | 1909 | |
0aaae527 LPC |
1910 | snd_soc_dapm_free(&card->dapm); |
1911 | ||
b0e26485 VK |
1912 | snd_card_free(card->snd_card); |
1913 | return 0; | |
1914 | ||
1915 | } | |
1916 | ||
1917 | /* removes a socdev */ | |
1918 | static int soc_remove(struct platform_device *pdev) | |
1919 | { | |
1920 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1921 | |
c5af3a2e | 1922 | snd_soc_unregister_card(card); |
db2a4165 FM |
1923 | return 0; |
1924 | } | |
1925 | ||
6f8ab4ac | 1926 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1927 | { |
6f8ab4ac | 1928 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1929 | int i; |
51737470 MB |
1930 | |
1931 | if (!card->instantiated) | |
416356fc | 1932 | return 0; |
51737470 MB |
1933 | |
1934 | /* Flush out pmdown_time work - we actually do want to run it | |
1935 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1936 | for (i = 0; i < card->num_rtd; i++) { |
1937 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1938 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1939 | } |
51737470 | 1940 | |
f0fba2ad | 1941 | snd_soc_dapm_shutdown(card); |
416356fc | 1942 | |
988e8cc4 NC |
1943 | /* deactivate pins to sleep state */ |
1944 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
1945 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
1946 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1947 | int j; | |
1948 | ||
988e8cc4 | 1949 | pinctrl_pm_select_sleep_state(cpu_dai->dev); |
88bd870f BC |
1950 | for (j = 0; j < rtd->num_codecs; j++) { |
1951 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
1952 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
1953 | } | |
988e8cc4 NC |
1954 | } |
1955 | ||
416356fc | 1956 | return 0; |
51737470 | 1957 | } |
6f8ab4ac | 1958 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1959 | |
6f8ab4ac | 1960 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1961 | .suspend = snd_soc_suspend, |
1962 | .resume = snd_soc_resume, | |
1963 | .freeze = snd_soc_suspend, | |
1964 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1965 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1966 | .restore = snd_soc_resume, |
416356fc | 1967 | }; |
deb2607e | 1968 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1969 | |
db2a4165 FM |
1970 | /* ASoC platform driver */ |
1971 | static struct platform_driver soc_driver = { | |
1972 | .driver = { | |
1973 | .name = "soc-audio", | |
8b45a209 | 1974 | .owner = THIS_MODULE, |
6f8ab4ac | 1975 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1976 | }, |
1977 | .probe = soc_probe, | |
1978 | .remove = soc_remove, | |
db2a4165 FM |
1979 | }; |
1980 | ||
db2a4165 FM |
1981 | /** |
1982 | * snd_soc_new_ac97_codec - initailise AC97 device | |
1983 | * @codec: audio codec | |
1984 | * @ops: AC97 bus operations | |
1985 | * @num: AC97 codec number | |
1986 | * | |
1987 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
1988 | */ | |
1989 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
1990 | struct snd_ac97_bus_ops *ops, int num) | |
1991 | { | |
1992 | mutex_lock(&codec->mutex); | |
1993 | ||
1994 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
1995 | if (codec->ac97 == NULL) { | |
1996 | mutex_unlock(&codec->mutex); | |
1997 | return -ENOMEM; | |
1998 | } | |
1999 | ||
2000 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2001 | if (codec->ac97->bus == NULL) { | |
2002 | kfree(codec->ac97); | |
2003 | codec->ac97 = NULL; | |
2004 | mutex_unlock(&codec->mutex); | |
2005 | return -ENOMEM; | |
2006 | } | |
2007 | ||
2008 | codec->ac97->bus->ops = ops; | |
2009 | codec->ac97->num = num; | |
0562f788 MW |
2010 | |
2011 | /* | |
2012 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2013 | * device will be registered with the device subsystem later on. | |
2014 | */ | |
2015 | codec->ac97_created = 1; | |
2016 | ||
db2a4165 FM |
2017 | mutex_unlock(&codec->mutex); |
2018 | return 0; | |
2019 | } | |
2020 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2021 | ||
741a509f MP |
2022 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2023 | ||
2024 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2025 | { | |
2026 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2027 | ||
2028 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2029 | ||
2030 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2031 | ||
2032 | udelay(10); | |
2033 | ||
2034 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2035 | ||
2036 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2037 | msleep(2); | |
2038 | } | |
2039 | ||
2040 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2041 | { | |
2042 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2043 | ||
2044 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2045 | ||
2046 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2047 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2048 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2049 | ||
2050 | udelay(10); | |
2051 | ||
2052 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2053 | ||
2054 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2055 | msleep(2); | |
2056 | } | |
2057 | ||
2058 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2059 | struct snd_ac97_reset_cfg *cfg) | |
2060 | { | |
2061 | struct pinctrl *p; | |
2062 | struct pinctrl_state *state; | |
2063 | int gpio; | |
2064 | int ret; | |
2065 | ||
2066 | p = devm_pinctrl_get(dev); | |
2067 | if (IS_ERR(p)) { | |
2068 | dev_err(dev, "Failed to get pinctrl\n"); | |
b7580cde | 2069 | return PTR_ERR(p); |
741a509f MP |
2070 | } |
2071 | cfg->pctl = p; | |
2072 | ||
2073 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2074 | if (IS_ERR(state)) { | |
2075 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
b7580cde | 2076 | return PTR_ERR(state); |
741a509f MP |
2077 | } |
2078 | cfg->pstate_reset = state; | |
2079 | ||
2080 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2081 | if (IS_ERR(state)) { | |
2082 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
b7580cde | 2083 | return PTR_ERR(state); |
741a509f MP |
2084 | } |
2085 | cfg->pstate_warm_reset = state; | |
2086 | ||
2087 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2088 | if (IS_ERR(state)) { | |
2089 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
b7580cde | 2090 | return PTR_ERR(state); |
741a509f MP |
2091 | } |
2092 | cfg->pstate_run = state; | |
2093 | ||
2094 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2095 | if (gpio < 0) { | |
2096 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2097 | return gpio; | |
2098 | } | |
2099 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2100 | if (ret) { | |
2101 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2102 | return ret; | |
2103 | } | |
2104 | cfg->gpio_sync = gpio; | |
2105 | ||
2106 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2107 | if (gpio < 0) { | |
2108 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2109 | return gpio; | |
2110 | } | |
2111 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2112 | if (ret) { | |
2113 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2114 | return ret; | |
2115 | } | |
2116 | cfg->gpio_sdata = gpio; | |
2117 | ||
2118 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2119 | if (gpio < 0) { | |
2120 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2121 | return gpio; | |
2122 | } | |
2123 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2124 | if (ret) { | |
2125 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2126 | return ret; | |
2127 | } | |
2128 | cfg->gpio_reset = gpio; | |
2129 | ||
2130 | return 0; | |
2131 | } | |
2132 | ||
b047e1cc | 2133 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2134 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2135 | |
2136 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2137 | { | |
2138 | if (ops == soc_ac97_ops) | |
2139 | return 0; | |
2140 | ||
2141 | if (soc_ac97_ops && ops) | |
2142 | return -EBUSY; | |
2143 | ||
2144 | soc_ac97_ops = ops; | |
2145 | ||
2146 | return 0; | |
2147 | } | |
2148 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2149 | ||
741a509f MP |
2150 | /** |
2151 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2152 | * | |
2153 | * This function sets the reset and warm_reset properties of ops and parses | |
2154 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2155 | */ | |
2156 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2157 | struct platform_device *pdev) | |
2158 | { | |
2159 | struct device *dev = &pdev->dev; | |
2160 | struct snd_ac97_reset_cfg cfg; | |
2161 | int ret; | |
2162 | ||
2163 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2164 | if (ret) | |
2165 | return ret; | |
2166 | ||
2167 | ret = snd_soc_set_ac97_ops(ops); | |
2168 | if (ret) | |
2169 | return ret; | |
2170 | ||
2171 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2172 | ops->reset = snd_soc_ac97_reset; | |
2173 | ||
2174 | snd_ac97_rst_cfg = cfg; | |
2175 | return 0; | |
2176 | } | |
2177 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2178 | ||
db2a4165 FM |
2179 | /** |
2180 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2181 | * @codec: audio codec | |
2182 | * | |
2183 | * Frees AC97 codec device resources. | |
2184 | */ | |
2185 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2186 | { | |
2187 | mutex_lock(&codec->mutex); | |
f0fba2ad | 2188 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 | 2189 | soc_unregister_ac97_codec(codec); |
f0fba2ad | 2190 | #endif |
db2a4165 FM |
2191 | kfree(codec->ac97->bus); |
2192 | kfree(codec->ac97); | |
2193 | codec->ac97 = NULL; | |
0562f788 | 2194 | codec->ac97_created = 0; |
db2a4165 FM |
2195 | mutex_unlock(&codec->mutex); |
2196 | } | |
2197 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2198 | ||
db2a4165 FM |
2199 | /** |
2200 | * snd_soc_cnew - create new control | |
2201 | * @_template: control template | |
2202 | * @data: control private data | |
ac11a2b3 | 2203 | * @long_name: control long name |
efb7ac3f | 2204 | * @prefix: control name prefix |
db2a4165 FM |
2205 | * |
2206 | * Create a new mixer control from a template control. | |
2207 | * | |
2208 | * Returns 0 for success, else error. | |
2209 | */ | |
2210 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2211 | void *data, const char *long_name, |
efb7ac3f | 2212 | const char *prefix) |
db2a4165 FM |
2213 | { |
2214 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2215 | struct snd_kcontrol *kcontrol; |
2216 | char *name = NULL; | |
db2a4165 FM |
2217 | |
2218 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2219 | template.index = 0; |
2220 | ||
efb7ac3f MB |
2221 | if (!long_name) |
2222 | long_name = template.name; | |
2223 | ||
2224 | if (prefix) { | |
2b581074 | 2225 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2226 | if (!name) |
2227 | return NULL; | |
2228 | ||
efb7ac3f MB |
2229 | template.name = name; |
2230 | } else { | |
2231 | template.name = long_name; | |
2232 | } | |
2233 | ||
2234 | kcontrol = snd_ctl_new1(&template, data); | |
2235 | ||
2236 | kfree(name); | |
2237 | ||
2238 | return kcontrol; | |
db2a4165 FM |
2239 | } |
2240 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2241 | ||
022658be LG |
2242 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2243 | const struct snd_kcontrol_new *controls, int num_controls, | |
2244 | const char *prefix, void *data) | |
2245 | { | |
2246 | int err, i; | |
2247 | ||
2248 | for (i = 0; i < num_controls; i++) { | |
2249 | const struct snd_kcontrol_new *control = &controls[i]; | |
2250 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2251 | control->name, prefix)); | |
2252 | if (err < 0) { | |
f110bfc7 LG |
2253 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2254 | control->name, err); | |
022658be LG |
2255 | return err; |
2256 | } | |
2257 | } | |
2258 | ||
2259 | return 0; | |
2260 | } | |
2261 | ||
4fefd698 DP |
2262 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2263 | const char *name) | |
2264 | { | |
2265 | struct snd_card *card = soc_card->snd_card; | |
2266 | struct snd_kcontrol *kctl; | |
2267 | ||
2268 | if (unlikely(!name)) | |
2269 | return NULL; | |
2270 | ||
2271 | list_for_each_entry(kctl, &card->controls, list) | |
2272 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2273 | return kctl; | |
2274 | return NULL; | |
2275 | } | |
2276 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2277 | ||
0f2780ad LPC |
2278 | /** |
2279 | * snd_soc_add_component_controls - Add an array of controls to a component. | |
2280 | * | |
2281 | * @component: Component to add controls to | |
2282 | * @controls: Array of controls to add | |
2283 | * @num_controls: Number of elements in the array | |
2284 | * | |
2285 | * Return: 0 for success, else error. | |
2286 | */ | |
2287 | int snd_soc_add_component_controls(struct snd_soc_component *component, | |
2288 | const struct snd_kcontrol_new *controls, unsigned int num_controls) | |
2289 | { | |
2290 | struct snd_card *card = component->card->snd_card; | |
2291 | ||
2292 | return snd_soc_add_controls(card, component->dev, controls, | |
2293 | num_controls, component->name_prefix, component); | |
2294 | } | |
2295 | EXPORT_SYMBOL_GPL(snd_soc_add_component_controls); | |
2296 | ||
3e8e1952 | 2297 | /** |
022658be LG |
2298 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2299 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2300 | * duplicating this code. |
2301 | * | |
2302 | * @codec: codec to add controls to | |
2303 | * @controls: array of controls to add | |
2304 | * @num_controls: number of elements in the array | |
2305 | * | |
2306 | * Return 0 for success, else error. | |
2307 | */ | |
022658be | 2308 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
0f2780ad | 2309 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
3e8e1952 | 2310 | { |
0f2780ad LPC |
2311 | return snd_soc_add_component_controls(&codec->component, controls, |
2312 | num_controls); | |
3e8e1952 | 2313 | } |
022658be | 2314 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2315 | |
a491a5c8 LG |
2316 | /** |
2317 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2318 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2319 | * |
2320 | * @platform: platform to add controls to | |
2321 | * @controls: array of controls to add | |
2322 | * @num_controls: number of elements in the array | |
2323 | * | |
2324 | * Return 0 for success, else error. | |
2325 | */ | |
2326 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
0f2780ad | 2327 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
a491a5c8 | 2328 | { |
0f2780ad LPC |
2329 | return snd_soc_add_component_controls(&platform->component, controls, |
2330 | num_controls); | |
a491a5c8 LG |
2331 | } |
2332 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2333 | ||
022658be LG |
2334 | /** |
2335 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2336 | * Convenience function to add a list of controls. | |
2337 | * | |
2338 | * @soc_card: SoC card to add controls to | |
2339 | * @controls: array of controls to add | |
2340 | * @num_controls: number of elements in the array | |
2341 | * | |
2342 | * Return 0 for success, else error. | |
2343 | */ | |
2344 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2345 | const struct snd_kcontrol_new *controls, int num_controls) | |
2346 | { | |
2347 | struct snd_card *card = soc_card->snd_card; | |
2348 | ||
2349 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2350 | NULL, soc_card); | |
2351 | } | |
2352 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2353 | ||
2354 | /** | |
2355 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2356 | * Convienience function to add a list of controls. | |
2357 | * | |
2358 | * @dai: DAI to add controls to | |
2359 | * @controls: array of controls to add | |
2360 | * @num_controls: number of elements in the array | |
2361 | * | |
2362 | * Return 0 for success, else error. | |
2363 | */ | |
2364 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2365 | const struct snd_kcontrol_new *controls, int num_controls) | |
2366 | { | |
2367 | struct snd_card *card = dai->card->snd_card; | |
2368 | ||
2369 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2370 | NULL, dai); | |
2371 | } | |
2372 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2373 | ||
db2a4165 FM |
2374 | /** |
2375 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2376 | * @kcontrol: mixer control | |
2377 | * @uinfo: control element information | |
2378 | * | |
2379 | * Callback to provide information about a double enumerated | |
2380 | * mixer control. | |
2381 | * | |
2382 | * Returns 0 for success. | |
2383 | */ | |
2384 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2385 | struct snd_ctl_elem_info *uinfo) | |
2386 | { | |
2387 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2388 | ||
2389 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2390 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2391 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2392 | |
9a8d38db TI |
2393 | if (uinfo->value.enumerated.item >= e->items) |
2394 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2395 | strlcpy(uinfo->value.enumerated.name, |
2396 | e->texts[uinfo->value.enumerated.item], | |
2397 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2398 | return 0; |
2399 | } | |
2400 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2401 | ||
2402 | /** | |
2403 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2404 | * @kcontrol: mixer control | |
ac11a2b3 | 2405 | * @ucontrol: control element information |
db2a4165 FM |
2406 | * |
2407 | * Callback to get the value of a double enumerated mixer. | |
2408 | * | |
2409 | * Returns 0 for success. | |
2410 | */ | |
2411 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2412 | struct snd_ctl_elem_value *ucontrol) | |
2413 | { | |
907fe36a | 2414 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2415 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 LPC |
2416 | unsigned int val, item; |
2417 | unsigned int reg_val; | |
907fe36a | 2418 | int ret; |
db2a4165 | 2419 | |
907fe36a LPC |
2420 | ret = snd_soc_component_read(component, e->reg, ®_val); |
2421 | if (ret) | |
2422 | return ret; | |
29ae2fa5 LPC |
2423 | val = (reg_val >> e->shift_l) & e->mask; |
2424 | item = snd_soc_enum_val_to_item(e, val); | |
2425 | ucontrol->value.enumerated.item[0] = item; | |
2426 | if (e->shift_l != e->shift_r) { | |
2427 | val = (reg_val >> e->shift_l) & e->mask; | |
2428 | item = snd_soc_enum_val_to_item(e, val); | |
2429 | ucontrol->value.enumerated.item[1] = item; | |
2430 | } | |
db2a4165 FM |
2431 | |
2432 | return 0; | |
2433 | } | |
2434 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2435 | ||
2436 | /** | |
2437 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2438 | * @kcontrol: mixer control | |
ac11a2b3 | 2439 | * @ucontrol: control element information |
db2a4165 FM |
2440 | * |
2441 | * Callback to set the value of a double enumerated mixer. | |
2442 | * | |
2443 | * Returns 0 for success. | |
2444 | */ | |
2445 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2446 | struct snd_ctl_elem_value *ucontrol) | |
2447 | { | |
907fe36a | 2448 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2449 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 | 2450 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2451 | unsigned int val; |
86767b7d | 2452 | unsigned int mask; |
db2a4165 | 2453 | |
29ae2fa5 | 2454 | if (item[0] >= e->items) |
db2a4165 | 2455 | return -EINVAL; |
29ae2fa5 | 2456 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2457 | mask = e->mask << e->shift_l; |
db2a4165 | 2458 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2459 | if (item[1] >= e->items) |
db2a4165 | 2460 | return -EINVAL; |
29ae2fa5 | 2461 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2462 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2463 | } |
2464 | ||
907fe36a | 2465 | return snd_soc_component_update_bits(component, e->reg, mask, val); |
db2a4165 FM |
2466 | } |
2467 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2468 | ||
2e72f8e3 | 2469 | /** |
f227b88f | 2470 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
907fe36a | 2471 | * @component: component |
f227b88f MP |
2472 | * @reg: Register to read |
2473 | * @mask: Mask to use after shifting the register value | |
2474 | * @shift: Right shift of register value | |
2475 | * @sign_bit: Bit that describes if a number is negative or not. | |
907fe36a | 2476 | * @signed_val: Pointer to where the read value should be stored |
2e72f8e3 | 2477 | * |
f227b88f MP |
2478 | * This functions reads a codec register. The register value is shifted right |
2479 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2480 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2481 | * |
907fe36a | 2482 | * Returns 0 on sucess, otherwise an error value |
2e72f8e3 | 2483 | */ |
907fe36a LPC |
2484 | static int snd_soc_read_signed(struct snd_soc_component *component, |
2485 | unsigned int reg, unsigned int mask, unsigned int shift, | |
2486 | unsigned int sign_bit, int *signed_val) | |
2e72f8e3 | 2487 | { |
f227b88f MP |
2488 | int ret; |
2489 | unsigned int val; | |
2e72f8e3 | 2490 | |
907fe36a LPC |
2491 | ret = snd_soc_component_read(component, reg, &val); |
2492 | if (ret < 0) | |
2493 | return ret; | |
2494 | ||
2495 | val = (val >> shift) & mask; | |
2e72f8e3 | 2496 | |
907fe36a LPC |
2497 | if (!sign_bit) { |
2498 | *signed_val = val; | |
2499 | return 0; | |
2500 | } | |
2e72f8e3 | 2501 | |
f227b88f | 2502 | /* non-negative number */ |
907fe36a LPC |
2503 | if (!(val & BIT(sign_bit))) { |
2504 | *signed_val = val; | |
2505 | return 0; | |
2506 | } | |
2e72f8e3 | 2507 | |
f227b88f | 2508 | ret = val; |
2e72f8e3 | 2509 | |
f227b88f MP |
2510 | /* |
2511 | * The register most probably does not contain a full-sized int. | |
2512 | * Instead we have an arbitrary number of bits in a signed | |
2513 | * representation which has to be translated into a full-sized int. | |
2514 | * This is done by filling up all bits above the sign-bit. | |
2515 | */ | |
2516 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2517 | ||
907fe36a LPC |
2518 | *signed_val = ret; |
2519 | ||
2520 | return 0; | |
2e72f8e3 | 2521 | } |
2e72f8e3 | 2522 | |
db2a4165 FM |
2523 | /** |
2524 | * snd_soc_info_volsw - single mixer info callback | |
2525 | * @kcontrol: mixer control | |
2526 | * @uinfo: control element information | |
2527 | * | |
e8f5a103 PU |
2528 | * Callback to provide information about a single mixer control, or a double |
2529 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2530 | * |
2531 | * Returns 0 for success. | |
2532 | */ | |
2533 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2534 | struct snd_ctl_elem_info *uinfo) | |
2535 | { | |
4eaa9819 JS |
2536 | struct soc_mixer_control *mc = |
2537 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2538 | int platform_max; |
db2a4165 | 2539 | |
d11bb4a9 PU |
2540 | if (!mc->platform_max) |
2541 | mc->platform_max = mc->max; | |
2542 | platform_max = mc->platform_max; | |
2543 | ||
2544 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2545 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2546 | else | |
2547 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2548 | ||
e8f5a103 | 2549 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2550 | uinfo->value.integer.min = 0; |
f227b88f | 2551 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2552 | return 0; |
2553 | } | |
2554 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2555 | ||
2556 | /** | |
2557 | * snd_soc_get_volsw - single mixer get callback | |
2558 | * @kcontrol: mixer control | |
ac11a2b3 | 2559 | * @ucontrol: control element information |
db2a4165 | 2560 | * |
f7915d99 PU |
2561 | * Callback to get the value of a single mixer control, or a double mixer |
2562 | * control that spans 2 registers. | |
db2a4165 FM |
2563 | * |
2564 | * Returns 0 for success. | |
2565 | */ | |
2566 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2567 | struct snd_ctl_elem_value *ucontrol) | |
2568 | { | |
907fe36a | 2569 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2570 | struct soc_mixer_control *mc = |
2571 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2572 | unsigned int reg = mc->reg; |
f7915d99 | 2573 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2574 | unsigned int shift = mc->shift; |
2575 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2576 | int max = mc->max; |
f227b88f MP |
2577 | int min = mc->min; |
2578 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2579 | unsigned int mask = (1 << fls(max)) - 1; |
2580 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2581 | int val; |
2582 | int ret; | |
db2a4165 | 2583 | |
f227b88f MP |
2584 | if (sign_bit) |
2585 | mask = BIT(sign_bit + 1) - 1; | |
2586 | ||
907fe36a LPC |
2587 | ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val); |
2588 | if (ret) | |
2589 | return ret; | |
2590 | ||
2591 | ucontrol->value.integer.value[0] = val - min; | |
f7915d99 | 2592 | if (invert) |
db2a4165 | 2593 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2594 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2595 | |
2596 | if (snd_soc_volsw_is_stereo(mc)) { | |
2597 | if (reg == reg2) | |
907fe36a LPC |
2598 | ret = snd_soc_read_signed(component, reg, mask, rshift, |
2599 | sign_bit, &val); | |
f7915d99 | 2600 | else |
907fe36a LPC |
2601 | ret = snd_soc_read_signed(component, reg2, mask, shift, |
2602 | sign_bit, &val); | |
2603 | if (ret) | |
2604 | return ret; | |
2605 | ||
2606 | ucontrol->value.integer.value[1] = val - min; | |
f7915d99 | 2607 | if (invert) |
db2a4165 | 2608 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2609 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2610 | } |
2611 | ||
2612 | return 0; | |
2613 | } | |
2614 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2615 | ||
2616 | /** | |
2617 | * snd_soc_put_volsw - single mixer put callback | |
2618 | * @kcontrol: mixer control | |
ac11a2b3 | 2619 | * @ucontrol: control element information |
db2a4165 | 2620 | * |
974815ba PU |
2621 | * Callback to set the value of a single mixer control, or a double mixer |
2622 | * control that spans 2 registers. | |
db2a4165 FM |
2623 | * |
2624 | * Returns 0 for success. | |
2625 | */ | |
2626 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2627 | struct snd_ctl_elem_value *ucontrol) | |
2628 | { | |
907fe36a | 2629 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2630 | struct soc_mixer_control *mc = |
2631 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2632 | unsigned int reg = mc->reg; |
974815ba | 2633 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2634 | unsigned int shift = mc->shift; |
2635 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2636 | int max = mc->max; |
f227b88f MP |
2637 | int min = mc->min; |
2638 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2639 | unsigned int mask = (1 << fls(max)) - 1; |
2640 | unsigned int invert = mc->invert; | |
974815ba | 2641 | int err; |
939d9f16 | 2642 | bool type_2r = false; |
974815ba PU |
2643 | unsigned int val2 = 0; |
2644 | unsigned int val, val_mask; | |
db2a4165 | 2645 | |
f227b88f MP |
2646 | if (sign_bit) |
2647 | mask = BIT(sign_bit + 1) - 1; | |
2648 | ||
2649 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2650 | if (invert) |
a7a4ac86 | 2651 | val = max - val; |
db2a4165 FM |
2652 | val_mask = mask << shift; |
2653 | val = val << shift; | |
974815ba | 2654 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2655 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2656 | if (invert) |
a7a4ac86 | 2657 | val2 = max - val2; |
974815ba PU |
2658 | if (reg == reg2) { |
2659 | val_mask |= mask << rshift; | |
2660 | val |= val2 << rshift; | |
2661 | } else { | |
2662 | val2 = val2 << shift; | |
939d9f16 | 2663 | type_2r = true; |
974815ba | 2664 | } |
db2a4165 | 2665 | } |
907fe36a | 2666 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
3ff3f64b | 2667 | if (err < 0) |
db2a4165 FM |
2668 | return err; |
2669 | ||
974815ba | 2670 | if (type_2r) |
907fe36a LPC |
2671 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2672 | val2); | |
974815ba | 2673 | |
db2a4165 FM |
2674 | return err; |
2675 | } | |
974815ba | 2676 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2677 | |
1d99f243 BA |
2678 | /** |
2679 | * snd_soc_get_volsw_sx - single mixer get callback | |
2680 | * @kcontrol: mixer control | |
2681 | * @ucontrol: control element information | |
2682 | * | |
2683 | * Callback to get the value of a single mixer control, or a double mixer | |
2684 | * control that spans 2 registers. | |
2685 | * | |
2686 | * Returns 0 for success. | |
2687 | */ | |
2688 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2689 | struct snd_ctl_elem_value *ucontrol) | |
2690 | { | |
907fe36a | 2691 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2692 | struct soc_mixer_control *mc = |
2693 | (struct soc_mixer_control *)kcontrol->private_value; | |
1d99f243 BA |
2694 | unsigned int reg = mc->reg; |
2695 | unsigned int reg2 = mc->rreg; | |
2696 | unsigned int shift = mc->shift; | |
2697 | unsigned int rshift = mc->rshift; | |
2698 | int max = mc->max; | |
2699 | int min = mc->min; | |
2700 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
907fe36a LPC |
2701 | unsigned int val; |
2702 | int ret; | |
1d99f243 | 2703 | |
907fe36a LPC |
2704 | ret = snd_soc_component_read(component, reg, &val); |
2705 | if (ret < 0) | |
2706 | return ret; | |
1d99f243 | 2707 | |
907fe36a LPC |
2708 | ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask; |
2709 | ||
2710 | if (snd_soc_volsw_is_stereo(mc)) { | |
2711 | ret = snd_soc_component_read(component, reg2, &val); | |
2712 | if (ret < 0) | |
2713 | return ret; | |
2714 | ||
2715 | val = ((val >> rshift) - min) & mask; | |
2716 | ucontrol->value.integer.value[1] = val; | |
2717 | } | |
1d99f243 BA |
2718 | |
2719 | return 0; | |
2720 | } | |
2721 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2722 | ||
2723 | /** | |
2724 | * snd_soc_put_volsw_sx - double mixer set callback | |
2725 | * @kcontrol: mixer control | |
2726 | * @uinfo: control element information | |
2727 | * | |
2728 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2729 | * | |
2730 | * Returns 0 for success. | |
2731 | */ | |
2732 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2733 | struct snd_ctl_elem_value *ucontrol) | |
2734 | { | |
907fe36a | 2735 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2736 | struct soc_mixer_control *mc = |
2737 | (struct soc_mixer_control *)kcontrol->private_value; | |
2738 | ||
2739 | unsigned int reg = mc->reg; | |
2740 | unsigned int reg2 = mc->rreg; | |
2741 | unsigned int shift = mc->shift; | |
2742 | unsigned int rshift = mc->rshift; | |
2743 | int max = mc->max; | |
2744 | int min = mc->min; | |
2745 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2746 | int err = 0; |
1a39019e | 2747 | unsigned int val, val_mask, val2 = 0; |
1d99f243 BA |
2748 | |
2749 | val_mask = mask << shift; | |
2750 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2751 | val = val << shift; | |
2752 | ||
907fe36a | 2753 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
d055852e MN |
2754 | if (err < 0) |
2755 | return err; | |
1d99f243 BA |
2756 | |
2757 | if (snd_soc_volsw_is_stereo(mc)) { | |
2758 | val_mask = mask << rshift; | |
2759 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2760 | val2 = val2 << rshift; | |
2761 | ||
907fe36a LPC |
2762 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2763 | val2); | |
1d99f243 | 2764 | } |
907fe36a | 2765 | return err; |
1d99f243 BA |
2766 | } |
2767 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2768 | ||
e13ac2e9 MB |
2769 | /** |
2770 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2771 | * @kcontrol: mixer control | |
2772 | * @uinfo: control element information | |
2773 | * | |
2774 | * Callback to provide information about a signed mixer control. | |
2775 | * | |
2776 | * Returns 0 for success. | |
2777 | */ | |
2778 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2779 | struct snd_ctl_elem_info *uinfo) | |
2780 | { | |
4eaa9819 JS |
2781 | struct soc_mixer_control *mc = |
2782 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2783 | int platform_max; |
4eaa9819 | 2784 | int min = mc->min; |
e13ac2e9 | 2785 | |
d11bb4a9 PU |
2786 | if (!mc->platform_max) |
2787 | mc->platform_max = mc->max; | |
2788 | platform_max = mc->platform_max; | |
2789 | ||
e13ac2e9 MB |
2790 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2791 | uinfo->count = 2; | |
2792 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2793 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2794 | return 0; |
2795 | } | |
2796 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2797 | ||
2798 | /** | |
2799 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2800 | * @kcontrol: mixer control | |
ac11a2b3 | 2801 | * @ucontrol: control element information |
e13ac2e9 MB |
2802 | * |
2803 | * Callback to get the value of a signed mixer control. | |
2804 | * | |
2805 | * Returns 0 for success. | |
2806 | */ | |
2807 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2808 | struct snd_ctl_elem_value *ucontrol) | |
2809 | { | |
4eaa9819 JS |
2810 | struct soc_mixer_control *mc = |
2811 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2812 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2813 | unsigned int reg = mc->reg; |
907fe36a | 2814 | unsigned int val; |
4eaa9819 | 2815 | int min = mc->min; |
907fe36a LPC |
2816 | int ret; |
2817 | ||
2818 | ret = snd_soc_component_read(component, reg, &val); | |
2819 | if (ret) | |
2820 | return ret; | |
e13ac2e9 MB |
2821 | |
2822 | ucontrol->value.integer.value[0] = | |
2823 | ((signed char)(val & 0xff))-min; | |
2824 | ucontrol->value.integer.value[1] = | |
2825 | ((signed char)((val >> 8) & 0xff))-min; | |
2826 | return 0; | |
2827 | } | |
2828 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2829 | ||
2830 | /** | |
2831 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2832 | * @kcontrol: mixer control | |
ac11a2b3 | 2833 | * @ucontrol: control element information |
e13ac2e9 MB |
2834 | * |
2835 | * Callback to set the value of a signed mixer control. | |
2836 | * | |
2837 | * Returns 0 for success. | |
2838 | */ | |
2839 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2840 | struct snd_ctl_elem_value *ucontrol) | |
2841 | { | |
4eaa9819 JS |
2842 | struct soc_mixer_control *mc = |
2843 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2844 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2845 | unsigned int reg = mc->reg; |
4eaa9819 | 2846 | int min = mc->min; |
46f5822f | 2847 | unsigned int val; |
e13ac2e9 MB |
2848 | |
2849 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2850 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2851 | ||
907fe36a | 2852 | return snd_soc_component_update_bits(component, reg, 0xffff, val); |
e13ac2e9 MB |
2853 | } |
2854 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2855 | ||
6c9d8cf6 AT |
2856 | /** |
2857 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2858 | * @kcontrol: mixer control | |
2859 | * @uinfo: control element information | |
2860 | * | |
2861 | * Callback to provide information, within a range, about a single | |
2862 | * mixer control. | |
2863 | * | |
2864 | * returns 0 for success. | |
2865 | */ | |
2866 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2867 | struct snd_ctl_elem_info *uinfo) | |
2868 | { | |
2869 | struct soc_mixer_control *mc = | |
2870 | (struct soc_mixer_control *)kcontrol->private_value; | |
2871 | int platform_max; | |
2872 | int min = mc->min; | |
2873 | ||
2874 | if (!mc->platform_max) | |
2875 | mc->platform_max = mc->max; | |
2876 | platform_max = mc->platform_max; | |
2877 | ||
2878 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2879 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2880 | uinfo->value.integer.min = 0; |
2881 | uinfo->value.integer.max = platform_max - min; | |
2882 | ||
2883 | return 0; | |
2884 | } | |
2885 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2886 | ||
2887 | /** | |
2888 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2889 | * @kcontrol: mixer control | |
2890 | * @ucontrol: control element information | |
2891 | * | |
2892 | * Callback to set the value, within a range, for a single mixer control. | |
2893 | * | |
2894 | * Returns 0 for success. | |
2895 | */ | |
2896 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2897 | struct snd_ctl_elem_value *ucontrol) | |
2898 | { | |
2899 | struct soc_mixer_control *mc = | |
2900 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2901 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 | 2902 | unsigned int reg = mc->reg; |
9bde4f0b | 2903 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2904 | unsigned int shift = mc->shift; |
2905 | int min = mc->min; | |
2906 | int max = mc->max; | |
2907 | unsigned int mask = (1 << fls(max)) - 1; | |
2908 | unsigned int invert = mc->invert; | |
2909 | unsigned int val, val_mask; | |
9bde4f0b | 2910 | int ret; |
6c9d8cf6 AT |
2911 | |
2912 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
2913 | if (invert) | |
2914 | val = max - val; | |
2915 | val_mask = mask << shift; | |
2916 | val = val << shift; | |
2917 | ||
907fe36a | 2918 | ret = snd_soc_component_update_bits(component, reg, val_mask, val); |
0eaa6cca | 2919 | if (ret < 0) |
9bde4f0b MB |
2920 | return ret; |
2921 | ||
2922 | if (snd_soc_volsw_is_stereo(mc)) { | |
2923 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
2924 | if (invert) | |
2925 | val = max - val; | |
2926 | val_mask = mask << shift; | |
2927 | val = val << shift; | |
2928 | ||
907fe36a LPC |
2929 | ret = snd_soc_component_update_bits(component, rreg, val_mask, |
2930 | val); | |
9bde4f0b MB |
2931 | } |
2932 | ||
2933 | return ret; | |
6c9d8cf6 AT |
2934 | } |
2935 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
2936 | ||
2937 | /** | |
2938 | * snd_soc_get_volsw_range - single mixer get callback with range | |
2939 | * @kcontrol: mixer control | |
2940 | * @ucontrol: control element information | |
2941 | * | |
2942 | * Callback to get the value, within a range, of a single mixer control. | |
2943 | * | |
2944 | * Returns 0 for success. | |
2945 | */ | |
2946 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
2947 | struct snd_ctl_elem_value *ucontrol) | |
2948 | { | |
907fe36a | 2949 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 AT |
2950 | struct soc_mixer_control *mc = |
2951 | (struct soc_mixer_control *)kcontrol->private_value; | |
6c9d8cf6 | 2952 | unsigned int reg = mc->reg; |
9bde4f0b | 2953 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2954 | unsigned int shift = mc->shift; |
2955 | int min = mc->min; | |
2956 | int max = mc->max; | |
2957 | unsigned int mask = (1 << fls(max)) - 1; | |
2958 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2959 | unsigned int val; |
2960 | int ret; | |
6c9d8cf6 | 2961 | |
907fe36a LPC |
2962 | ret = snd_soc_component_read(component, reg, &val); |
2963 | if (ret) | |
2964 | return ret; | |
2965 | ||
2966 | ucontrol->value.integer.value[0] = (val >> shift) & mask; | |
6c9d8cf6 AT |
2967 | if (invert) |
2968 | ucontrol->value.integer.value[0] = | |
2969 | max - ucontrol->value.integer.value[0]; | |
2970 | ucontrol->value.integer.value[0] = | |
2971 | ucontrol->value.integer.value[0] - min; | |
2972 | ||
9bde4f0b | 2973 | if (snd_soc_volsw_is_stereo(mc)) { |
907fe36a LPC |
2974 | ret = snd_soc_component_read(component, rreg, &val); |
2975 | if (ret) | |
2976 | return ret; | |
2977 | ||
2978 | ucontrol->value.integer.value[1] = (val >> shift) & mask; | |
9bde4f0b MB |
2979 | if (invert) |
2980 | ucontrol->value.integer.value[1] = | |
2981 | max - ucontrol->value.integer.value[1]; | |
2982 | ucontrol->value.integer.value[1] = | |
2983 | ucontrol->value.integer.value[1] - min; | |
2984 | } | |
2985 | ||
6c9d8cf6 AT |
2986 | return 0; |
2987 | } | |
2988 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
2989 | ||
637d3847 PU |
2990 | /** |
2991 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
2992 | * | |
2993 | * @codec: where to look for the control | |
2994 | * @name: Name of the control | |
2995 | * @max: new maximum limit | |
2996 | * | |
2997 | * Return 0 for success, else error. | |
2998 | */ | |
2999 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3000 | const char *name, int max) | |
3001 | { | |
00200107 | 3002 | struct snd_card *card = codec->component.card->snd_card; |
637d3847 PU |
3003 | struct snd_kcontrol *kctl; |
3004 | struct soc_mixer_control *mc; | |
3005 | int found = 0; | |
3006 | int ret = -EINVAL; | |
3007 | ||
3008 | /* Sanity check for name and max */ | |
3009 | if (unlikely(!name || max <= 0)) | |
3010 | return -EINVAL; | |
3011 | ||
3012 | list_for_each_entry(kctl, &card->controls, list) { | |
3013 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3014 | found = 1; | |
3015 | break; | |
3016 | } | |
3017 | } | |
3018 | if (found) { | |
3019 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3020 | if (max <= mc->max) { | |
d11bb4a9 | 3021 | mc->platform_max = max; |
637d3847 PU |
3022 | ret = 0; |
3023 | } | |
3024 | } | |
3025 | return ret; | |
3026 | } | |
3027 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3028 | ||
71d08516 MB |
3029 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3030 | struct snd_ctl_elem_info *uinfo) | |
3031 | { | |
907fe36a | 3032 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 MB |
3033 | struct soc_bytes *params = (void *)kcontrol->private_value; |
3034 | ||
3035 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
907fe36a | 3036 | uinfo->count = params->num_regs * component->val_bytes; |
71d08516 MB |
3037 | |
3038 | return 0; | |
3039 | } | |
3040 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3041 | ||
3042 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3043 | struct snd_ctl_elem_value *ucontrol) | |
3044 | { | |
907fe36a | 3045 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3046 | struct soc_bytes *params = (void *)kcontrol->private_value; |
71d08516 MB |
3047 | int ret; |
3048 | ||
907fe36a LPC |
3049 | if (component->regmap) |
3050 | ret = regmap_raw_read(component->regmap, params->base, | |
71d08516 | 3051 | ucontrol->value.bytes.data, |
907fe36a | 3052 | params->num_regs * component->val_bytes); |
71d08516 MB |
3053 | else |
3054 | ret = -EINVAL; | |
3055 | ||
f831b055 MB |
3056 | /* Hide any masked bytes to ensure consistent data reporting */ |
3057 | if (ret == 0 && params->mask) { | |
907fe36a | 3058 | switch (component->val_bytes) { |
f831b055 MB |
3059 | case 1: |
3060 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3061 | break; | |
3062 | case 2: | |
3063 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3064 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
3065 | break; |
3066 | case 4: | |
3067 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3068 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
3069 | break; |
3070 | default: | |
3071 | return -EINVAL; | |
3072 | } | |
3073 | } | |
3074 | ||
71d08516 MB |
3075 | return ret; |
3076 | } | |
3077 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3078 | ||
3079 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3080 | struct snd_ctl_elem_value *ucontrol) | |
3081 | { | |
907fe36a | 3082 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3083 | struct soc_bytes *params = (void *)kcontrol->private_value; |
f831b055 | 3084 | int ret, len; |
a1a564ed | 3085 | unsigned int val, mask; |
f831b055 | 3086 | void *data; |
71d08516 | 3087 | |
907fe36a | 3088 | if (!component->regmap) |
f831b055 MB |
3089 | return -EINVAL; |
3090 | ||
907fe36a | 3091 | len = params->num_regs * component->val_bytes; |
f831b055 | 3092 | |
b5a8fe43 MB |
3093 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3094 | if (!data) | |
3095 | return -ENOMEM; | |
3096 | ||
f831b055 MB |
3097 | /* |
3098 | * If we've got a mask then we need to preserve the register | |
3099 | * bits. We shouldn't modify the incoming data so take a | |
3100 | * copy. | |
3101 | */ | |
3102 | if (params->mask) { | |
907fe36a | 3103 | ret = regmap_read(component->regmap, params->base, &val); |
f831b055 | 3104 | if (ret != 0) |
e8b18add | 3105 | goto out; |
f831b055 MB |
3106 | |
3107 | val &= params->mask; | |
3108 | ||
907fe36a | 3109 | switch (component->val_bytes) { |
f831b055 MB |
3110 | case 1: |
3111 | ((u8 *)data)[0] &= ~params->mask; | |
3112 | ((u8 *)data)[0] |= val; | |
3113 | break; | |
3114 | case 2: | |
a1a564ed | 3115 | mask = ~params->mask; |
907fe36a | 3116 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3117 | &mask, &mask); |
3118 | if (ret != 0) | |
3119 | goto out; | |
3120 | ||
3121 | ((u16 *)data)[0] &= mask; | |
3122 | ||
907fe36a | 3123 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3124 | &val, &val); |
3125 | if (ret != 0) | |
3126 | goto out; | |
3127 | ||
3128 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
3129 | break; |
3130 | case 4: | |
a1a564ed | 3131 | mask = ~params->mask; |
907fe36a | 3132 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3133 | &mask, &mask); |
3134 | if (ret != 0) | |
3135 | goto out; | |
3136 | ||
3137 | ((u32 *)data)[0] &= mask; | |
3138 | ||
907fe36a | 3139 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3140 | &val, &val); |
3141 | if (ret != 0) | |
3142 | goto out; | |
3143 | ||
3144 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
3145 | break; |
3146 | default: | |
e8b18add WY |
3147 | ret = -EINVAL; |
3148 | goto out; | |
f831b055 MB |
3149 | } |
3150 | } | |
3151 | ||
907fe36a | 3152 | ret = regmap_raw_write(component->regmap, params->base, |
f831b055 MB |
3153 | data, len); |
3154 | ||
e8b18add | 3155 | out: |
b5a8fe43 | 3156 | kfree(data); |
71d08516 MB |
3157 | |
3158 | return ret; | |
3159 | } | |
3160 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3161 | ||
d9881208 VK |
3162 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
3163 | struct snd_ctl_elem_info *ucontrol) | |
3164 | { | |
3165 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
3166 | ||
3167 | ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3168 | ucontrol->count = params->max; | |
3169 | ||
3170 | return 0; | |
3171 | } | |
3172 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext); | |
3173 | ||
7523a271 OMA |
3174 | int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, |
3175 | unsigned int size, unsigned int __user *tlv) | |
3176 | { | |
3177 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
3178 | unsigned int count = size < params->max ? size : params->max; | |
3179 | int ret = -ENXIO; | |
3180 | ||
3181 | switch (op_flag) { | |
3182 | case SNDRV_CTL_TLV_OP_READ: | |
3183 | if (params->get) | |
3184 | ret = params->get(tlv, count); | |
3185 | break; | |
3186 | case SNDRV_CTL_TLV_OP_WRITE: | |
3187 | if (params->put) | |
3188 | ret = params->put(tlv, count); | |
3189 | break; | |
3190 | } | |
3191 | return ret; | |
3192 | } | |
3193 | EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback); | |
3194 | ||
4183eed2 KK |
3195 | /** |
3196 | * snd_soc_info_xr_sx - signed multi register info callback | |
3197 | * @kcontrol: mreg control | |
3198 | * @uinfo: control element information | |
3199 | * | |
3200 | * Callback to provide information of a control that can | |
3201 | * span multiple codec registers which together | |
3202 | * forms a single signed value in a MSB/LSB manner. | |
3203 | * | |
3204 | * Returns 0 for success. | |
3205 | */ | |
3206 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3207 | struct snd_ctl_elem_info *uinfo) | |
3208 | { | |
3209 | struct soc_mreg_control *mc = | |
3210 | (struct soc_mreg_control *)kcontrol->private_value; | |
3211 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3212 | uinfo->count = 1; | |
3213 | uinfo->value.integer.min = mc->min; | |
3214 | uinfo->value.integer.max = mc->max; | |
3215 | ||
3216 | return 0; | |
3217 | } | |
3218 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3219 | ||
3220 | /** | |
3221 | * snd_soc_get_xr_sx - signed multi register get callback | |
3222 | * @kcontrol: mreg control | |
3223 | * @ucontrol: control element information | |
3224 | * | |
3225 | * Callback to get the value of a control that can span | |
3226 | * multiple codec registers which together forms a single | |
3227 | * signed value in a MSB/LSB manner. The control supports | |
3228 | * specifying total no of bits used to allow for bitfields | |
3229 | * across the multiple codec registers. | |
3230 | * | |
3231 | * Returns 0 for success. | |
3232 | */ | |
3233 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3234 | struct snd_ctl_elem_value *ucontrol) | |
3235 | { | |
907fe36a | 3236 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3237 | struct soc_mreg_control *mc = |
3238 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3239 | unsigned int regbase = mc->regbase; |
3240 | unsigned int regcount = mc->regcount; | |
907fe36a | 3241 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3242 | unsigned int regwmask = (1<<regwshift)-1; |
3243 | unsigned int invert = mc->invert; | |
3244 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3245 | long min = mc->min; | |
3246 | long max = mc->max; | |
3247 | long val = 0; | |
907fe36a | 3248 | unsigned int regval; |
4183eed2 | 3249 | unsigned int i; |
907fe36a | 3250 | int ret; |
4183eed2 KK |
3251 | |
3252 | for (i = 0; i < regcount; i++) { | |
907fe36a LPC |
3253 | ret = snd_soc_component_read(component, regbase+i, ®val); |
3254 | if (ret) | |
3255 | return ret; | |
3256 | val |= (regval & regwmask) << (regwshift*(regcount-i-1)); | |
4183eed2 KK |
3257 | } |
3258 | val &= mask; | |
3259 | if (min < 0 && val > max) | |
3260 | val |= ~mask; | |
3261 | if (invert) | |
3262 | val = max - val; | |
3263 | ucontrol->value.integer.value[0] = val; | |
3264 | ||
3265 | return 0; | |
3266 | } | |
3267 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3268 | ||
3269 | /** | |
3270 | * snd_soc_put_xr_sx - signed multi register get callback | |
3271 | * @kcontrol: mreg control | |
3272 | * @ucontrol: control element information | |
3273 | * | |
3274 | * Callback to set the value of a control that can span | |
3275 | * multiple codec registers which together forms a single | |
3276 | * signed value in a MSB/LSB manner. The control supports | |
3277 | * specifying total no of bits used to allow for bitfields | |
3278 | * across the multiple codec registers. | |
3279 | * | |
3280 | * Returns 0 for success. | |
3281 | */ | |
3282 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3283 | struct snd_ctl_elem_value *ucontrol) | |
3284 | { | |
907fe36a | 3285 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3286 | struct soc_mreg_control *mc = |
3287 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3288 | unsigned int regbase = mc->regbase; |
3289 | unsigned int regcount = mc->regcount; | |
907fe36a | 3290 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3291 | unsigned int regwmask = (1<<regwshift)-1; |
3292 | unsigned int invert = mc->invert; | |
3293 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3294 | long max = mc->max; |
3295 | long val = ucontrol->value.integer.value[0]; | |
3296 | unsigned int i, regval, regmask; | |
3297 | int err; | |
3298 | ||
3299 | if (invert) | |
3300 | val = max - val; | |
3301 | val &= mask; | |
3302 | for (i = 0; i < regcount; i++) { | |
3303 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3304 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
907fe36a | 3305 | err = snd_soc_component_update_bits(component, regbase+i, |
4183eed2 KK |
3306 | regmask, regval); |
3307 | if (err < 0) | |
3308 | return err; | |
3309 | } | |
3310 | ||
3311 | return 0; | |
3312 | } | |
3313 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3314 | ||
dd7b10b3 KK |
3315 | /** |
3316 | * snd_soc_get_strobe - strobe get callback | |
3317 | * @kcontrol: mixer control | |
3318 | * @ucontrol: control element information | |
3319 | * | |
3320 | * Callback get the value of a strobe mixer control. | |
3321 | * | |
3322 | * Returns 0 for success. | |
3323 | */ | |
3324 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3325 | struct snd_ctl_elem_value *ucontrol) | |
3326 | { | |
907fe36a | 3327 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3328 | struct soc_mixer_control *mc = |
3329 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3330 | unsigned int reg = mc->reg; |
3331 | unsigned int shift = mc->shift; | |
3332 | unsigned int mask = 1 << shift; | |
3333 | unsigned int invert = mc->invert != 0; | |
907fe36a LPC |
3334 | unsigned int val; |
3335 | int ret; | |
3336 | ||
3337 | ret = snd_soc_component_read(component, reg, &val); | |
3338 | if (ret) | |
3339 | return ret; | |
3340 | ||
3341 | val &= mask; | |
dd7b10b3 KK |
3342 | |
3343 | if (shift != 0 && val != 0) | |
3344 | val = val >> shift; | |
3345 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3346 | ||
3347 | return 0; | |
3348 | } | |
3349 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3350 | ||
3351 | /** | |
3352 | * snd_soc_put_strobe - strobe put callback | |
3353 | * @kcontrol: mixer control | |
3354 | * @ucontrol: control element information | |
3355 | * | |
3356 | * Callback strobe a register bit to high then low (or the inverse) | |
3357 | * in one pass of a single mixer enum control. | |
3358 | * | |
3359 | * Returns 1 for success. | |
3360 | */ | |
3361 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3362 | struct snd_ctl_elem_value *ucontrol) | |
3363 | { | |
907fe36a | 3364 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3365 | struct soc_mixer_control *mc = |
3366 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3367 | unsigned int reg = mc->reg; |
3368 | unsigned int shift = mc->shift; | |
3369 | unsigned int mask = 1 << shift; | |
3370 | unsigned int invert = mc->invert != 0; | |
3371 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3372 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3373 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3374 | int err; | |
3375 | ||
907fe36a | 3376 | err = snd_soc_component_update_bits(component, reg, mask, val1); |
dd7b10b3 KK |
3377 | if (err < 0) |
3378 | return err; | |
3379 | ||
907fe36a | 3380 | return snd_soc_component_update_bits(component, reg, mask, val2); |
dd7b10b3 KK |
3381 | } |
3382 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3383 | ||
8c6529db LG |
3384 | /** |
3385 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3386 | * @dai: DAI | |
3387 | * @clk_id: DAI specific clock ID | |
3388 | * @freq: new clock frequency in Hz | |
3389 | * @dir: new clock direction - input/output. | |
3390 | * | |
3391 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3392 | */ | |
3393 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3394 | unsigned int freq, int dir) | |
3395 | { | |
f0fba2ad LG |
3396 | if (dai->driver && dai->driver->ops->set_sysclk) |
3397 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3398 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3399 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3400 | freq, dir); |
8c6529db | 3401 | else |
1104a9c8 | 3402 | return -ENOTSUPP; |
8c6529db LG |
3403 | } |
3404 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3405 | ||
ec4ee52a MB |
3406 | /** |
3407 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3408 | * @codec: CODEC | |
3409 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3410 | * @source: Source for the clock |
ec4ee52a MB |
3411 | * @freq: new clock frequency in Hz |
3412 | * @dir: new clock direction - input/output. | |
3413 | * | |
3414 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3415 | */ | |
3416 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3417 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3418 | { |
3419 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3420 | return codec->driver->set_sysclk(codec, clk_id, source, |
3421 | freq, dir); | |
ec4ee52a | 3422 | else |
1104a9c8 | 3423 | return -ENOTSUPP; |
ec4ee52a MB |
3424 | } |
3425 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3426 | ||
8c6529db LG |
3427 | /** |
3428 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3429 | * @dai: DAI | |
ac11a2b3 | 3430 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3431 | * @div: new clock divisor. |
3432 | * | |
3433 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3434 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3435 | * and frame clocks as low as possible to save system power. | |
3436 | */ | |
3437 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3438 | int div_id, int div) | |
3439 | { | |
f0fba2ad LG |
3440 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3441 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3442 | else |
3443 | return -EINVAL; | |
3444 | } | |
3445 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3446 | ||
3447 | /** | |
3448 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3449 | * @dai: DAI | |
3450 | * @pll_id: DAI specific PLL ID | |
85488037 | 3451 | * @source: DAI specific source for the PLL |
8c6529db LG |
3452 | * @freq_in: PLL input clock frequency in Hz |
3453 | * @freq_out: requested PLL output clock frequency in Hz | |
3454 | * | |
3455 | * Configures and enables PLL to generate output clock based on input clock. | |
3456 | */ | |
85488037 MB |
3457 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3458 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3459 | { |
f0fba2ad LG |
3460 | if (dai->driver && dai->driver->ops->set_pll) |
3461 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3462 | freq_in, freq_out); |
ec4ee52a MB |
3463 | else if (dai->codec && dai->codec->driver->set_pll) |
3464 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3465 | freq_in, freq_out); | |
8c6529db LG |
3466 | else |
3467 | return -EINVAL; | |
3468 | } | |
3469 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3470 | ||
ec4ee52a MB |
3471 | /* |
3472 | * snd_soc_codec_set_pll - configure codec PLL. | |
3473 | * @codec: CODEC | |
3474 | * @pll_id: DAI specific PLL ID | |
3475 | * @source: DAI specific source for the PLL | |
3476 | * @freq_in: PLL input clock frequency in Hz | |
3477 | * @freq_out: requested PLL output clock frequency in Hz | |
3478 | * | |
3479 | * Configures and enables PLL to generate output clock based on input clock. | |
3480 | */ | |
3481 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3482 | unsigned int freq_in, unsigned int freq_out) | |
3483 | { | |
3484 | if (codec->driver->set_pll) | |
3485 | return codec->driver->set_pll(codec, pll_id, source, | |
3486 | freq_in, freq_out); | |
3487 | else | |
3488 | return -EINVAL; | |
3489 | } | |
3490 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3491 | ||
e54cf76b LG |
3492 | /** |
3493 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3494 | * @dai: DAI | |
3495 | * @ratio Ratio of BCLK to Sample rate. | |
3496 | * | |
3497 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3498 | */ | |
3499 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3500 | { | |
3501 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3502 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3503 | else | |
3504 | return -EINVAL; | |
3505 | } | |
3506 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3507 | ||
8c6529db LG |
3508 | /** |
3509 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3510 | * @dai: DAI | |
8c6529db LG |
3511 | * @fmt: SND_SOC_DAIFMT_ format value. |
3512 | * | |
3513 | * Configures the DAI hardware format and clocking. | |
3514 | */ | |
3515 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3516 | { | |
5e4ba569 | 3517 | if (dai->driver == NULL) |
8c6529db | 3518 | return -EINVAL; |
5e4ba569 SG |
3519 | if (dai->driver->ops->set_fmt == NULL) |
3520 | return -ENOTSUPP; | |
3521 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3522 | } |
3523 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3524 | ||
89c67857 | 3525 | /** |
e5c21514 | 3526 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3527 | * @slots: Number of slots in use. |
3528 | * @tx_mask: bitmask representing active TX slots. | |
3529 | * @rx_mask: bitmask representing active RX slots. | |
3530 | * | |
3531 | * Generates the TDM tx and rx slot default masks for DAI. | |
3532 | */ | |
e5c21514 | 3533 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3534 | unsigned int *tx_mask, |
3535 | unsigned int *rx_mask) | |
3536 | { | |
3537 | if (*tx_mask || *rx_mask) | |
3538 | return 0; | |
3539 | ||
3540 | if (!slots) | |
3541 | return -EINVAL; | |
3542 | ||
3543 | *tx_mask = (1 << slots) - 1; | |
3544 | *rx_mask = (1 << slots) - 1; | |
3545 | ||
3546 | return 0; | |
3547 | } | |
3548 | ||
8c6529db LG |
3549 | /** |
3550 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3551 | * @dai: DAI | |
a5479e38 DR |
3552 | * @tx_mask: bitmask representing active TX slots. |
3553 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3554 | * @slots: Number of slots in use. |
a5479e38 | 3555 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3556 | * |
3557 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3558 | * specific. | |
3559 | */ | |
3560 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3561 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3562 | { |
e5c21514 XL |
3563 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3564 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3565 | &tx_mask, &rx_mask); |
3566 | else | |
e5c21514 | 3567 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3568 | |
88bd870f BC |
3569 | dai->tx_mask = tx_mask; |
3570 | dai->rx_mask = rx_mask; | |
3571 | ||
f0fba2ad LG |
3572 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3573 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3574 | slots, slot_width); |
8c6529db | 3575 | else |
b2cbb6e1 | 3576 | return -ENOTSUPP; |
8c6529db LG |
3577 | } |
3578 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3579 | ||
472df3cb BS |
3580 | /** |
3581 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3582 | * @dai: DAI | |
3583 | * @tx_num: how many TX channels | |
3584 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3585 | * 0~num-1 uses | |
3586 | * @rx_num: how many RX channels | |
3587 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3588 | * 0~num-1 uses | |
3589 | * | |
3590 | * configure the relationship between channel number and TDM slot number. | |
3591 | */ | |
3592 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3593 | unsigned int tx_num, unsigned int *tx_slot, | |
3594 | unsigned int rx_num, unsigned int *rx_slot) | |
3595 | { | |
f0fba2ad LG |
3596 | if (dai->driver && dai->driver->ops->set_channel_map) |
3597 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3598 | rx_num, rx_slot); |
3599 | else | |
3600 | return -EINVAL; | |
3601 | } | |
3602 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3603 | ||
8c6529db LG |
3604 | /** |
3605 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3606 | * @dai: DAI | |
3607 | * @tristate: tristate enable | |
3608 | * | |
3609 | * Tristates the DAI so that others can use it. | |
3610 | */ | |
3611 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3612 | { | |
f0fba2ad LG |
3613 | if (dai->driver && dai->driver->ops->set_tristate) |
3614 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3615 | else |
3616 | return -EINVAL; | |
3617 | } | |
3618 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3619 | ||
3620 | /** | |
3621 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3622 | * @dai: DAI | |
3623 | * @mute: mute enable | |
da18396f | 3624 | * @direction: stream to mute |
8c6529db LG |
3625 | * |
3626 | * Mutes the DAI DAC. | |
3627 | */ | |
da18396f MB |
3628 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3629 | int direction) | |
8c6529db | 3630 | { |
da18396f MB |
3631 | if (!dai->driver) |
3632 | return -ENOTSUPP; | |
3633 | ||
3634 | if (dai->driver->ops->mute_stream) | |
3635 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3636 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3637 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3638 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3639 | else |
04570c62 | 3640 | return -ENOTSUPP; |
8c6529db LG |
3641 | } |
3642 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3643 | ||
88bd870f BC |
3644 | static int snd_soc_init_multicodec(struct snd_soc_card *card, |
3645 | struct snd_soc_dai_link *dai_link) | |
3646 | { | |
3647 | /* Legacy codec/codec_dai link is a single entry in multicodec */ | |
3648 | if (dai_link->codec_name || dai_link->codec_of_node || | |
3649 | dai_link->codec_dai_name) { | |
3650 | dai_link->num_codecs = 1; | |
3651 | ||
3652 | dai_link->codecs = devm_kzalloc(card->dev, | |
3653 | sizeof(struct snd_soc_dai_link_component), | |
3654 | GFP_KERNEL); | |
3655 | if (!dai_link->codecs) | |
3656 | return -ENOMEM; | |
3657 | ||
3658 | dai_link->codecs[0].name = dai_link->codec_name; | |
3659 | dai_link->codecs[0].of_node = dai_link->codec_of_node; | |
3660 | dai_link->codecs[0].dai_name = dai_link->codec_dai_name; | |
3661 | } | |
3662 | ||
3663 | if (!dai_link->codecs) { | |
3664 | dev_err(card->dev, "ASoC: DAI link has no CODECs\n"); | |
3665 | return -EINVAL; | |
3666 | } | |
3667 | ||
3668 | return 0; | |
3669 | } | |
3670 | ||
c5af3a2e MB |
3671 | /** |
3672 | * snd_soc_register_card - Register a card with the ASoC core | |
3673 | * | |
ac11a2b3 | 3674 | * @card: Card to register |
c5af3a2e | 3675 | * |
c5af3a2e | 3676 | */ |
70a7ca34 | 3677 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3678 | { |
88bd870f | 3679 | int i, j, ret; |
f0fba2ad | 3680 | |
c5af3a2e MB |
3681 | if (!card->name || !card->dev) |
3682 | return -EINVAL; | |
3683 | ||
5a504963 SW |
3684 | for (i = 0; i < card->num_links; i++) { |
3685 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3686 | ||
88bd870f BC |
3687 | ret = snd_soc_init_multicodec(card, link); |
3688 | if (ret) { | |
3689 | dev_err(card->dev, "ASoC: failed to init multicodec\n"); | |
3690 | return ret; | |
5a504963 | 3691 | } |
88bd870f BC |
3692 | |
3693 | for (j = 0; j < link->num_codecs; j++) { | |
3694 | /* | |
3695 | * Codec must be specified by 1 of name or OF node, | |
3696 | * not both or neither. | |
3697 | */ | |
3698 | if (!!link->codecs[j].name == | |
3699 | !!link->codecs[j].of_node) { | |
3700 | dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3701 | link->name); | |
3702 | return -EINVAL; | |
3703 | } | |
3704 | /* Codec DAI name must be specified */ | |
3705 | if (!link->codecs[j].dai_name) { | |
3706 | dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", | |
3707 | link->name); | |
3708 | return -EINVAL; | |
3709 | } | |
bc92657a | 3710 | } |
5a504963 SW |
3711 | |
3712 | /* | |
3713 | * Platform may be specified by either name or OF node, but | |
3714 | * can be left unspecified, and a dummy platform will be used. | |
3715 | */ | |
3716 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3717 | dev_err(card->dev, |
3718 | "ASoC: Both platform name/of_node are set for %s\n", | |
3719 | link->name); | |
5a504963 SW |
3720 | return -EINVAL; |
3721 | } | |
3722 | ||
3723 | /* | |
bc92657a SW |
3724 | * CPU device may be specified by either name or OF node, but |
3725 | * can be left unspecified, and will be matched based on DAI | |
3726 | * name alone.. | |
3727 | */ | |
3728 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3729 | dev_err(card->dev, |
3730 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3731 | link->name); | |
bc92657a SW |
3732 | return -EINVAL; |
3733 | } | |
3734 | /* | |
3735 | * At least one of CPU DAI name or CPU device name/node must be | |
3736 | * specified | |
5a504963 | 3737 | */ |
bc92657a SW |
3738 | if (!link->cpu_dai_name && |
3739 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3740 | dev_err(card->dev, |
3741 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3742 | link->name); | |
5a504963 SW |
3743 | return -EINVAL; |
3744 | } | |
3745 | } | |
3746 | ||
ed77cc12 MB |
3747 | dev_set_drvdata(card->dev, card); |
3748 | ||
111c6419 SW |
3749 | snd_soc_initialize_card_lists(card); |
3750 | ||
150dd2f8 VK |
3751 | soc_init_card_debugfs(card); |
3752 | ||
181a6892 MB |
3753 | card->rtd = devm_kzalloc(card->dev, |
3754 | sizeof(struct snd_soc_pcm_runtime) * | |
3755 | (card->num_links + card->num_aux_devs), | |
3756 | GFP_KERNEL); | |
f0fba2ad LG |
3757 | if (card->rtd == NULL) |
3758 | return -ENOMEM; | |
a7dbb603 | 3759 | card->num_rtd = 0; |
2eea392d | 3760 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad | 3761 | |
5f3484ac LPC |
3762 | for (i = 0; i < card->num_links; i++) { |
3763 | card->rtd[i].card = card; | |
f0fba2ad | 3764 | card->rtd[i].dai_link = &card->dai_link[i]; |
88bd870f BC |
3765 | card->rtd[i].codec_dais = devm_kzalloc(card->dev, |
3766 | sizeof(struct snd_soc_dai *) * | |
3767 | (card->rtd[i].dai_link->num_codecs), | |
3768 | GFP_KERNEL); | |
3769 | if (card->rtd[i].codec_dais == NULL) | |
3770 | return -ENOMEM; | |
5f3484ac LPC |
3771 | } |
3772 | ||
3773 | for (i = 0; i < card->num_aux_devs; i++) | |
3774 | card->rtd_aux[i].card = card; | |
f0fba2ad | 3775 | |
db432b41 | 3776 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3777 | card->instantiated = 0; |
f0fba2ad | 3778 | mutex_init(&card->mutex); |
a73fb2df | 3779 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3780 | |
b19e6e7b MB |
3781 | ret = snd_soc_instantiate_card(card); |
3782 | if (ret != 0) | |
3783 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3784 | |
988e8cc4 NC |
3785 | /* deactivate pins to sleep state */ |
3786 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
3787 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
3788 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
3789 | int j; | |
3790 | ||
3791 | for (j = 0; j < rtd->num_codecs; j++) { | |
3792 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
3793 | if (!codec_dai->active) | |
3794 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3795 | } | |
3796 | ||
988e8cc4 NC |
3797 | if (!cpu_dai->active) |
3798 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3799 | } | |
3800 | ||
b19e6e7b | 3801 | return ret; |
c5af3a2e | 3802 | } |
70a7ca34 | 3803 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3804 | |
3805 | /** | |
3806 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3807 | * | |
ac11a2b3 | 3808 | * @card: Card to unregister |
c5af3a2e | 3809 | * |
c5af3a2e | 3810 | */ |
70a7ca34 | 3811 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3812 | { |
b0e26485 VK |
3813 | if (card->instantiated) |
3814 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3815 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3816 | |
3817 | return 0; | |
3818 | } | |
70a7ca34 | 3819 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3820 | |
f0fba2ad LG |
3821 | /* |
3822 | * Simplify DAI link configuration by removing ".-1" from device names | |
3823 | * and sanitizing names. | |
3824 | */ | |
0b9a214a | 3825 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3826 | { |
3827 | char *found, name[NAME_SIZE]; | |
3828 | int id1, id2; | |
3829 | ||
3830 | if (dev_name(dev) == NULL) | |
3831 | return NULL; | |
3832 | ||
58818a77 | 3833 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3834 | |
3835 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3836 | found = strstr(name, dev->driver->name); | |
3837 | if (found) { | |
3838 | /* get ID */ | |
3839 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3840 | ||
3841 | /* discard ID from name if ID == -1 */ | |
3842 | if (*id == -1) | |
3843 | found[strlen(dev->driver->name)] = '\0'; | |
3844 | } | |
3845 | ||
3846 | } else { | |
3847 | /* I2C component devices are named "bus-addr" */ | |
3848 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3849 | char tmp[NAME_SIZE]; | |
3850 | ||
3851 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3852 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3853 | |
3854 | /* sanitize component name for DAI link creation */ | |
3855 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3856 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3857 | } else |
3858 | *id = 0; | |
3859 | } | |
3860 | ||
3861 | return kstrdup(name, GFP_KERNEL); | |
3862 | } | |
3863 | ||
3864 | /* | |
3865 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3866 | * any ".-1" and using the DAI name (instead of device name). | |
3867 | */ | |
3868 | static inline char *fmt_multiple_name(struct device *dev, | |
3869 | struct snd_soc_dai_driver *dai_drv) | |
3870 | { | |
3871 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3872 | dev_err(dev, |
3873 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3874 | dev_name(dev)); | |
f0fba2ad LG |
3875 | return NULL; |
3876 | } | |
3877 | ||
3878 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3879 | } | |
3880 | ||
9115171a | 3881 | /** |
32c9ba54 | 3882 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3883 | * |
32c9ba54 | 3884 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3885 | */ |
32c9ba54 | 3886 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3887 | { |
5c1d5f09 | 3888 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3889 | |
5c1d5f09 | 3890 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3891 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3892 | dai->name); | |
5c1d5f09 | 3893 | list_del(&dai->list); |
32c9ba54 | 3894 | kfree(dai->name); |
f0fba2ad | 3895 | kfree(dai); |
f0fba2ad | 3896 | } |
9115171a | 3897 | } |
9115171a MB |
3898 | |
3899 | /** | |
32c9ba54 | 3900 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 3901 | * |
6106d129 LPC |
3902 | * @component: The component the DAIs are registered for |
3903 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 3904 | * @count: Number of DAIs |
32c9ba54 LPC |
3905 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
3906 | * parent's name. | |
9115171a | 3907 | */ |
6106d129 | 3908 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
3909 | struct snd_soc_dai_driver *dai_drv, size_t count, |
3910 | bool legacy_dai_naming) | |
9115171a | 3911 | { |
6106d129 | 3912 | struct device *dev = component->dev; |
f0fba2ad | 3913 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
3914 | unsigned int i; |
3915 | int ret; | |
f0fba2ad | 3916 | |
f110bfc7 | 3917 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 3918 | |
bb13109d LPC |
3919 | component->dai_drv = dai_drv; |
3920 | component->num_dai = count; | |
3921 | ||
9115171a | 3922 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
3923 | |
3924 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3925 | if (dai == NULL) { |
3926 | ret = -ENOMEM; | |
3927 | goto err; | |
3928 | } | |
f0fba2ad | 3929 | |
32c9ba54 LPC |
3930 | /* |
3931 | * Back in the old days when we still had component-less DAIs, | |
3932 | * instead of having a static name, component-less DAIs would | |
3933 | * inherit the name of the parent device so it is possible to | |
3934 | * register multiple instances of the DAI. We still need to keep | |
3935 | * the same naming style even though those DAIs are not | |
3936 | * component-less anymore. | |
3937 | */ | |
3938 | if (count == 1 && legacy_dai_naming) { | |
3939 | dai->name = fmt_single_name(dev, &dai->id); | |
3940 | } else { | |
3941 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3942 | if (dai_drv[i].id) | |
3943 | dai->id = dai_drv[i].id; | |
3944 | else | |
3945 | dai->id = i; | |
3946 | } | |
f0fba2ad LG |
3947 | if (dai->name == NULL) { |
3948 | kfree(dai); | |
32c9ba54 | 3949 | ret = -ENOMEM; |
9115171a | 3950 | goto err; |
f0fba2ad LG |
3951 | } |
3952 | ||
6106d129 | 3953 | dai->component = component; |
f0fba2ad | 3954 | dai->dev = dev; |
f0fba2ad LG |
3955 | dai->driver = &dai_drv[i]; |
3956 | if (!dai->driver->ops) | |
3957 | dai->driver->ops = &null_dai_ops; | |
3958 | ||
1438c2f6 | 3959 | list_add(&dai->list, &component->dai_list); |
054880fe | 3960 | |
32c9ba54 | 3961 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3962 | } |
3963 | ||
3964 | return 0; | |
3965 | ||
3966 | err: | |
32c9ba54 | 3967 | snd_soc_unregister_dais(component); |
9115171a MB |
3968 | |
3969 | return ret; | |
3970 | } | |
9115171a | 3971 | |
14e8bdeb LPC |
3972 | static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, |
3973 | enum snd_soc_dapm_type type, int subseq) | |
d191bd8d | 3974 | { |
14e8bdeb | 3975 | struct snd_soc_component *component = dapm->component; |
d191bd8d | 3976 | |
14e8bdeb LPC |
3977 | component->driver->seq_notifier(component, type, subseq); |
3978 | } | |
d191bd8d | 3979 | |
14e8bdeb LPC |
3980 | static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, |
3981 | int event) | |
3982 | { | |
3983 | struct snd_soc_component *component = dapm->component; | |
d191bd8d | 3984 | |
14e8bdeb LPC |
3985 | return component->driver->stream_event(component, event); |
3986 | } | |
e2c330b9 | 3987 | |
bb13109d LPC |
3988 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
3989 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 3990 | { |
ce0fc93a LPC |
3991 | struct snd_soc_dapm_context *dapm; |
3992 | ||
bb13109d LPC |
3993 | component->name = fmt_single_name(dev, &component->id); |
3994 | if (!component->name) { | |
3995 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
3996 | return -ENOMEM; |
3997 | } | |
3998 | ||
bb13109d LPC |
3999 | component->dev = dev; |
4000 | component->driver = driver; | |
61aca564 LPC |
4001 | component->probe = component->driver->probe; |
4002 | component->remove = component->driver->remove; | |
d191bd8d | 4003 | |
ce0fc93a LPC |
4004 | if (!component->dapm_ptr) |
4005 | component->dapm_ptr = &component->dapm; | |
4006 | ||
4007 | dapm = component->dapm_ptr; | |
4008 | dapm->dev = dev; | |
4009 | dapm->component = component; | |
4010 | dapm->bias_level = SND_SOC_BIAS_OFF; | |
5819c2fa | 4011 | dapm->idle_bias_off = true; |
14e8bdeb LPC |
4012 | if (driver->seq_notifier) |
4013 | dapm->seq_notifier = snd_soc_component_seq_notifier; | |
4014 | if (driver->stream_event) | |
4015 | dapm->stream_event = snd_soc_component_stream_event; | |
d191bd8d | 4016 | |
61aca564 LPC |
4017 | component->controls = driver->controls; |
4018 | component->num_controls = driver->num_controls; | |
4019 | component->dapm_widgets = driver->dapm_widgets; | |
4020 | component->num_dapm_widgets = driver->num_dapm_widgets; | |
4021 | component->dapm_routes = driver->dapm_routes; | |
4022 | component->num_dapm_routes = driver->num_dapm_routes; | |
4023 | ||
bb13109d LPC |
4024 | INIT_LIST_HEAD(&component->dai_list); |
4025 | mutex_init(&component->io_mutex); | |
d191bd8d | 4026 | |
bb13109d LPC |
4027 | return 0; |
4028 | } | |
d191bd8d | 4029 | |
886f5692 LPC |
4030 | static void snd_soc_component_init_regmap(struct snd_soc_component *component) |
4031 | { | |
4032 | if (!component->regmap) | |
4033 | component->regmap = dev_get_regmap(component->dev, NULL); | |
4034 | if (component->regmap) { | |
4035 | int val_bytes = regmap_get_val_bytes(component->regmap); | |
4036 | /* Errors are legitimate for non-integer byte multiples */ | |
4037 | if (val_bytes > 0) | |
4038 | component->val_bytes = val_bytes; | |
4039 | } | |
4040 | } | |
4041 | ||
bb13109d LPC |
4042 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
4043 | { | |
886f5692 LPC |
4044 | if (!component->write && !component->read) |
4045 | snd_soc_component_init_regmap(component); | |
4046 | ||
bb13109d LPC |
4047 | list_add(&component->list, &component_list); |
4048 | } | |
d191bd8d | 4049 | |
bb13109d LPC |
4050 | static void snd_soc_component_add(struct snd_soc_component *component) |
4051 | { | |
d191bd8d | 4052 | mutex_lock(&client_mutex); |
bb13109d | 4053 | snd_soc_component_add_unlocked(component); |
d191bd8d | 4054 | mutex_unlock(&client_mutex); |
bb13109d | 4055 | } |
d191bd8d | 4056 | |
bb13109d LPC |
4057 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
4058 | { | |
4059 | snd_soc_unregister_dais(component); | |
4060 | kfree(component->name); | |
4061 | } | |
d191bd8d | 4062 | |
bb13109d LPC |
4063 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
4064 | { | |
4065 | list_del(&component->list); | |
4066 | } | |
d191bd8d | 4067 | |
bb13109d LPC |
4068 | static void snd_soc_component_del(struct snd_soc_component *component) |
4069 | { | |
4070 | mutex_lock(&client_mutex); | |
4071 | snd_soc_component_del_unlocked(component); | |
4072 | mutex_unlock(&client_mutex); | |
d191bd8d KM |
4073 | } |
4074 | ||
4075 | int snd_soc_register_component(struct device *dev, | |
4076 | const struct snd_soc_component_driver *cmpnt_drv, | |
4077 | struct snd_soc_dai_driver *dai_drv, | |
4078 | int num_dai) | |
4079 | { | |
4080 | struct snd_soc_component *cmpnt; | |
bb13109d | 4081 | int ret; |
d191bd8d | 4082 | |
bb13109d | 4083 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
4084 | if (!cmpnt) { |
4085 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4086 | return -ENOMEM; | |
4087 | } | |
4088 | ||
bb13109d LPC |
4089 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
4090 | if (ret) | |
4091 | goto err_free; | |
4092 | ||
3d59400f | 4093 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 4094 | cmpnt->registered_as_component = true; |
3d59400f | 4095 | |
bb13109d LPC |
4096 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
4097 | if (ret < 0) { | |
4098 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4099 | goto err_cleanup; | |
4100 | } | |
d191bd8d | 4101 | |
bb13109d | 4102 | snd_soc_component_add(cmpnt); |
4da53393 | 4103 | |
bb13109d | 4104 | return 0; |
4da53393 | 4105 | |
bb13109d LPC |
4106 | err_cleanup: |
4107 | snd_soc_component_cleanup(cmpnt); | |
4108 | err_free: | |
4109 | kfree(cmpnt); | |
4110 | return ret; | |
4da53393 | 4111 | } |
bb13109d | 4112 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 4113 | |
d191bd8d KM |
4114 | /** |
4115 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4116 | * | |
4117 | */ | |
4118 | void snd_soc_unregister_component(struct device *dev) | |
4119 | { | |
4120 | struct snd_soc_component *cmpnt; | |
4121 | ||
4122 | list_for_each_entry(cmpnt, &component_list, list) { | |
98e639fb | 4123 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
4124 | goto found; |
4125 | } | |
4126 | return; | |
4127 | ||
4128 | found: | |
bb13109d LPC |
4129 | snd_soc_component_del(cmpnt); |
4130 | snd_soc_component_cleanup(cmpnt); | |
4131 | kfree(cmpnt); | |
d191bd8d KM |
4132 | } |
4133 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 4134 | |
f1d45cc3 LPC |
4135 | static int snd_soc_platform_drv_probe(struct snd_soc_component *component) |
4136 | { | |
4137 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
4138 | ||
4139 | return platform->driver->probe(platform); | |
4140 | } | |
4141 | ||
4142 | static void snd_soc_platform_drv_remove(struct snd_soc_component *component) | |
4143 | { | |
4144 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
4145 | ||
4146 | platform->driver->remove(platform); | |
4147 | } | |
4148 | ||
12a48a8c | 4149 | /** |
71a45cda LPC |
4150 | * snd_soc_add_platform - Add a platform to the ASoC core |
4151 | * @dev: The parent device for the platform | |
4152 | * @platform: The platform to add | |
4153 | * @platform_driver: The driver for the platform | |
12a48a8c | 4154 | */ |
71a45cda | 4155 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4156 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4157 | { |
b37f1d12 LPC |
4158 | int ret; |
4159 | ||
bb13109d LPC |
4160 | ret = snd_soc_component_initialize(&platform->component, |
4161 | &platform_drv->component_driver, dev); | |
4162 | if (ret) | |
4163 | return ret; | |
12a48a8c | 4164 | |
f0fba2ad LG |
4165 | platform->dev = dev; |
4166 | platform->driver = platform_drv; | |
f1d45cc3 LPC |
4167 | if (platform_drv->controls) { |
4168 | platform->component.controls = platform_drv->controls; | |
4169 | platform->component.num_controls = platform_drv->num_controls; | |
4170 | } | |
4171 | if (platform_drv->dapm_widgets) { | |
4172 | platform->component.dapm_widgets = platform_drv->dapm_widgets; | |
4173 | platform->component.num_dapm_widgets = platform_drv->num_dapm_widgets; | |
4174 | platform->component.steal_sibling_dai_widgets = true; | |
4175 | } | |
4176 | if (platform_drv->dapm_routes) { | |
4177 | platform->component.dapm_routes = platform_drv->dapm_routes; | |
4178 | platform->component.num_dapm_routes = platform_drv->num_dapm_routes; | |
4179 | } | |
4180 | ||
4181 | if (platform_drv->probe) | |
4182 | platform->component.probe = snd_soc_platform_drv_probe; | |
4183 | if (platform_drv->remove) | |
4184 | platform->component.remove = snd_soc_platform_drv_remove; | |
12a48a8c | 4185 | |
81c7cfd1 LPC |
4186 | #ifdef CONFIG_DEBUG_FS |
4187 | platform->component.debugfs_prefix = "platform"; | |
4188 | #endif | |
4189 | ||
12a48a8c | 4190 | mutex_lock(&client_mutex); |
bb13109d | 4191 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
4192 | list_add(&platform->list, &platform_list); |
4193 | mutex_unlock(&client_mutex); | |
4194 | ||
f4333203 LPC |
4195 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
4196 | platform->component.name); | |
12a48a8c MB |
4197 | |
4198 | return 0; | |
4199 | } | |
71a45cda | 4200 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4201 | |
4202 | /** | |
71a45cda | 4203 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4204 | * |
71a45cda | 4205 | * @platform: platform to register |
12a48a8c | 4206 | */ |
71a45cda LPC |
4207 | int snd_soc_register_platform(struct device *dev, |
4208 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4209 | { |
f0fba2ad | 4210 | struct snd_soc_platform *platform; |
71a45cda | 4211 | int ret; |
f0fba2ad | 4212 | |
71a45cda | 4213 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4214 | |
71a45cda LPC |
4215 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4216 | if (platform == NULL) | |
4217 | return -ENOMEM; | |
4218 | ||
4219 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4220 | if (ret) | |
4221 | kfree(platform); | |
4222 | ||
4223 | return ret; | |
4224 | } | |
4225 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4226 | ||
4227 | /** | |
4228 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4229 | * @platform: the platform to remove | |
4230 | */ | |
4231 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4232 | { | |
b37f1d12 | 4233 | |
12a48a8c MB |
4234 | mutex_lock(&client_mutex); |
4235 | list_del(&platform->list); | |
bb13109d | 4236 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
4237 | mutex_unlock(&client_mutex); |
4238 | ||
bb13109d LPC |
4239 | snd_soc_component_cleanup(&platform->component); |
4240 | ||
71a45cda | 4241 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 4242 | platform->component.name); |
71a45cda LPC |
4243 | } |
4244 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4245 | ||
4246 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4247 | { | |
4248 | struct snd_soc_platform *platform; | |
4249 | ||
4250 | list_for_each_entry(platform, &platform_list, list) { | |
4251 | if (dev == platform->dev) | |
4252 | return platform; | |
4253 | } | |
4254 | ||
4255 | return NULL; | |
4256 | } | |
4257 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4258 | ||
4259 | /** | |
4260 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4261 | * | |
4262 | * @platform: platform to unregister | |
4263 | */ | |
4264 | void snd_soc_unregister_platform(struct device *dev) | |
4265 | { | |
4266 | struct snd_soc_platform *platform; | |
4267 | ||
4268 | platform = snd_soc_lookup_platform(dev); | |
4269 | if (!platform) | |
4270 | return; | |
4271 | ||
4272 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4273 | kfree(platform); |
12a48a8c MB |
4274 | } |
4275 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4276 | ||
151ab22c MB |
4277 | static u64 codec_format_map[] = { |
4278 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4279 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4280 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4281 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4282 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4283 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4284 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4285 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4286 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4287 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4288 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4289 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4290 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4291 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4292 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4293 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4294 | }; | |
4295 | ||
4296 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4297 | * the endianness of the data but we're using the CPU format | |
4298 | * definitions which do need to include endianness so we ensure that | |
4299 | * codec DAIs always have both big and little endian variants set. | |
4300 | */ | |
4301 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4302 | { | |
4303 | int i; | |
4304 | ||
4305 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4306 | if (stream->formats & codec_format_map[i]) | |
4307 | stream->formats |= codec_format_map[i]; | |
4308 | } | |
4309 | ||
f1d45cc3 LPC |
4310 | static int snd_soc_codec_drv_probe(struct snd_soc_component *component) |
4311 | { | |
4312 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4313 | ||
4314 | return codec->driver->probe(codec); | |
4315 | } | |
4316 | ||
4317 | static void snd_soc_codec_drv_remove(struct snd_soc_component *component) | |
4318 | { | |
4319 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4320 | ||
4321 | codec->driver->remove(codec); | |
4322 | } | |
4323 | ||
e2c330b9 LPC |
4324 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
4325 | unsigned int reg, unsigned int val) | |
4326 | { | |
4327 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4328 | ||
4329 | return codec->driver->write(codec, reg, val); | |
4330 | } | |
4331 | ||
4332 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
4333 | unsigned int reg, unsigned int *val) | |
4334 | { | |
4335 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4336 | ||
4337 | *val = codec->driver->read(codec, reg); | |
4338 | ||
4339 | return 0; | |
4340 | } | |
4341 | ||
68f831c2 LPC |
4342 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
4343 | enum snd_soc_bias_level level) | |
4344 | { | |
4345 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
4346 | ||
4347 | return codec->driver->set_bias_level(codec, level); | |
4348 | } | |
4349 | ||
0d0cf00a MB |
4350 | /** |
4351 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4352 | * | |
ac11a2b3 | 4353 | * @codec: codec to register |
0d0cf00a | 4354 | */ |
f0fba2ad | 4355 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4356 | const struct snd_soc_codec_driver *codec_drv, |
4357 | struct snd_soc_dai_driver *dai_drv, | |
4358 | int num_dai) | |
0d0cf00a | 4359 | { |
f0fba2ad | 4360 | struct snd_soc_codec *codec; |
bb13109d | 4361 | struct snd_soc_dai *dai; |
f0fba2ad | 4362 | int ret, i; |
151ab22c | 4363 | |
f0fba2ad LG |
4364 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4365 | ||
4366 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4367 | if (codec == NULL) | |
4368 | return -ENOMEM; | |
0d0cf00a | 4369 | |
ce0fc93a | 4370 | codec->component.dapm_ptr = &codec->dapm; |
f1d45cc3 | 4371 | codec->component.codec = codec; |
ce0fc93a | 4372 | |
bb13109d LPC |
4373 | ret = snd_soc_component_initialize(&codec->component, |
4374 | &codec_drv->component_driver, dev); | |
4375 | if (ret) | |
4376 | goto err_free; | |
f0fba2ad | 4377 | |
f1d45cc3 LPC |
4378 | if (codec_drv->controls) { |
4379 | codec->component.controls = codec_drv->controls; | |
4380 | codec->component.num_controls = codec_drv->num_controls; | |
4381 | } | |
4382 | if (codec_drv->dapm_widgets) { | |
4383 | codec->component.dapm_widgets = codec_drv->dapm_widgets; | |
4384 | codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets; | |
4385 | } | |
4386 | if (codec_drv->dapm_routes) { | |
4387 | codec->component.dapm_routes = codec_drv->dapm_routes; | |
4388 | codec->component.num_dapm_routes = codec_drv->num_dapm_routes; | |
4389 | } | |
4390 | ||
4391 | if (codec_drv->probe) | |
4392 | codec->component.probe = snd_soc_codec_drv_probe; | |
4393 | if (codec_drv->remove) | |
4394 | codec->component.remove = snd_soc_codec_drv_remove; | |
e2c330b9 LPC |
4395 | if (codec_drv->write) |
4396 | codec->component.write = snd_soc_codec_drv_write; | |
4397 | if (codec_drv->read) | |
4398 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 4399 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc | 4400 | codec->dapm.codec = codec; |
5819c2fa | 4401 | codec->dapm.idle_bias_off = codec_drv->idle_bias_off; |
14e8bdeb LPC |
4402 | if (codec_drv->seq_notifier) |
4403 | codec->dapm.seq_notifier = codec_drv->seq_notifier; | |
68f831c2 LPC |
4404 | if (codec_drv->set_bias_level) |
4405 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
4406 | codec->dev = dev; |
4407 | codec->driver = codec_drv; | |
e2c330b9 | 4408 | codec->component.val_bytes = codec_drv->reg_word_size; |
7a30a3db | 4409 | mutex_init(&codec->mutex); |
ce6120cc | 4410 | |
81c7cfd1 LPC |
4411 | #ifdef CONFIG_DEBUG_FS |
4412 | codec->component.init_debugfs = soc_init_codec_debugfs; | |
4413 | codec->component.debugfs_prefix = "codec"; | |
4414 | #endif | |
4415 | ||
886f5692 LPC |
4416 | if (codec_drv->get_regmap) |
4417 | codec->component.regmap = codec_drv->get_regmap(dev); | |
a39f75f7 | 4418 | |
f0fba2ad LG |
4419 | for (i = 0; i < num_dai; i++) { |
4420 | fixup_codec_formats(&dai_drv[i].playback); | |
4421 | fixup_codec_formats(&dai_drv[i].capture); | |
4422 | } | |
4423 | ||
bb13109d | 4424 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
5acd7dfb | 4425 | if (ret < 0) { |
bb13109d LPC |
4426 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); |
4427 | goto err_cleanup; | |
26b01ccd | 4428 | } |
f0fba2ad | 4429 | |
bb13109d LPC |
4430 | list_for_each_entry(dai, &codec->component.dai_list, list) |
4431 | dai->codec = codec; | |
f0fba2ad | 4432 | |
e1328a83 | 4433 | mutex_lock(&client_mutex); |
bb13109d | 4434 | snd_soc_component_add_unlocked(&codec->component); |
054880fe | 4435 | list_add(&codec->list, &codec_list); |
e1328a83 KM |
4436 | mutex_unlock(&client_mutex); |
4437 | ||
f4333203 LPC |
4438 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
4439 | codec->component.name); | |
0d0cf00a | 4440 | return 0; |
f0fba2ad | 4441 | |
bb13109d LPC |
4442 | err_cleanup: |
4443 | snd_soc_component_cleanup(&codec->component); | |
4444 | err_free: | |
f0fba2ad LG |
4445 | kfree(codec); |
4446 | return ret; | |
0d0cf00a MB |
4447 | } |
4448 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4449 | ||
4450 | /** | |
4451 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4452 | * | |
ac11a2b3 | 4453 | * @codec: codec to unregister |
0d0cf00a | 4454 | */ |
f0fba2ad | 4455 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4456 | { |
f0fba2ad | 4457 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4458 | |
4459 | list_for_each_entry(codec, &codec_list, list) { | |
4460 | if (dev == codec->dev) | |
4461 | goto found; | |
4462 | } | |
4463 | return; | |
4464 | ||
4465 | found: | |
f0fba2ad | 4466 | |
0d0cf00a MB |
4467 | mutex_lock(&client_mutex); |
4468 | list_del(&codec->list); | |
bb13109d | 4469 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
4470 | mutex_unlock(&client_mutex); |
4471 | ||
f4333203 LPC |
4472 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
4473 | codec->component.name); | |
f0fba2ad | 4474 | |
bb13109d | 4475 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 4476 | snd_soc_cache_exit(codec); |
f0fba2ad | 4477 | kfree(codec); |
0d0cf00a MB |
4478 | } |
4479 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4480 | ||
bec4fa05 SW |
4481 | /* Retrieve a card's name from device tree */ |
4482 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4483 | const char *propname) | |
4484 | { | |
7e07e7c0 | 4485 | struct device_node *np; |
bec4fa05 SW |
4486 | int ret; |
4487 | ||
7e07e7c0 TB |
4488 | if (!card->dev) { |
4489 | pr_err("card->dev is not set before calling %s\n", __func__); | |
4490 | return -EINVAL; | |
4491 | } | |
4492 | ||
4493 | np = card->dev->of_node; | |
4494 | ||
bec4fa05 SW |
4495 | ret = of_property_read_string_index(np, propname, 0, &card->name); |
4496 | /* | |
4497 | * EINVAL means the property does not exist. This is fine providing | |
4498 | * card->name was previously set, which is checked later in | |
4499 | * snd_soc_register_card. | |
4500 | */ | |
4501 | if (ret < 0 && ret != -EINVAL) { | |
4502 | dev_err(card->dev, | |
f110bfc7 | 4503 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4504 | propname, ret); |
4505 | return ret; | |
4506 | } | |
4507 | ||
4508 | return 0; | |
4509 | } | |
4510 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4511 | ||
9a6d4860 XL |
4512 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4513 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4514 | SND_SOC_DAPM_LINE("Line", NULL), | |
4515 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4516 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4517 | }; | |
4518 | ||
4519 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4520 | const char *propname) | |
4521 | { | |
4522 | struct device_node *np = card->dev->of_node; | |
4523 | struct snd_soc_dapm_widget *widgets; | |
4524 | const char *template, *wname; | |
4525 | int i, j, num_widgets, ret; | |
4526 | ||
4527 | num_widgets = of_property_count_strings(np, propname); | |
4528 | if (num_widgets < 0) { | |
4529 | dev_err(card->dev, | |
4530 | "ASoC: Property '%s' does not exist\n", propname); | |
4531 | return -EINVAL; | |
4532 | } | |
4533 | if (num_widgets & 1) { | |
4534 | dev_err(card->dev, | |
4535 | "ASoC: Property '%s' length is not even\n", propname); | |
4536 | return -EINVAL; | |
4537 | } | |
4538 | ||
4539 | num_widgets /= 2; | |
4540 | if (!num_widgets) { | |
4541 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4542 | propname); | |
4543 | return -EINVAL; | |
4544 | } | |
4545 | ||
4546 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4547 | GFP_KERNEL); | |
4548 | if (!widgets) { | |
4549 | dev_err(card->dev, | |
4550 | "ASoC: Could not allocate memory for widgets\n"); | |
4551 | return -ENOMEM; | |
4552 | } | |
4553 | ||
4554 | for (i = 0; i < num_widgets; i++) { | |
4555 | ret = of_property_read_string_index(np, propname, | |
4556 | 2 * i, &template); | |
4557 | if (ret) { | |
4558 | dev_err(card->dev, | |
4559 | "ASoC: Property '%s' index %d read error:%d\n", | |
4560 | propname, 2 * i, ret); | |
4561 | return -EINVAL; | |
4562 | } | |
4563 | ||
4564 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4565 | if (!strncmp(template, simple_widgets[j].name, | |
4566 | strlen(simple_widgets[j].name))) { | |
4567 | widgets[i] = simple_widgets[j]; | |
4568 | break; | |
4569 | } | |
4570 | } | |
4571 | ||
4572 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4573 | dev_err(card->dev, | |
4574 | "ASoC: DAPM widget '%s' is not supported\n", | |
4575 | template); | |
4576 | return -EINVAL; | |
4577 | } | |
4578 | ||
4579 | ret = of_property_read_string_index(np, propname, | |
4580 | (2 * i) + 1, | |
4581 | &wname); | |
4582 | if (ret) { | |
4583 | dev_err(card->dev, | |
4584 | "ASoC: Property '%s' index %d read error:%d\n", | |
4585 | propname, (2 * i) + 1, ret); | |
4586 | return -EINVAL; | |
4587 | } | |
4588 | ||
4589 | widgets[i].name = wname; | |
4590 | } | |
4591 | ||
4592 | card->dapm_widgets = widgets; | |
4593 | card->num_dapm_widgets = num_widgets; | |
4594 | ||
4595 | return 0; | |
4596 | } | |
4597 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4598 | ||
89c67857 XL |
4599 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4600 | unsigned int *slots, | |
4601 | unsigned int *slot_width) | |
4602 | { | |
4603 | u32 val; | |
4604 | int ret; | |
4605 | ||
4606 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4607 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4608 | if (ret) | |
4609 | return ret; | |
4610 | ||
4611 | if (slots) | |
4612 | *slots = val; | |
4613 | } | |
4614 | ||
4615 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4616 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4617 | if (ret) | |
4618 | return ret; | |
4619 | ||
4620 | if (slot_width) | |
4621 | *slot_width = val; | |
4622 | } | |
4623 | ||
4624 | return 0; | |
4625 | } | |
4626 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4627 | ||
a4a54dd5 SW |
4628 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4629 | const char *propname) | |
4630 | { | |
4631 | struct device_node *np = card->dev->of_node; | |
4632 | int num_routes; | |
4633 | struct snd_soc_dapm_route *routes; | |
4634 | int i, ret; | |
4635 | ||
4636 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4637 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4638 | dev_err(card->dev, |
4639 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4640 | propname); | |
a4a54dd5 SW |
4641 | return -EINVAL; |
4642 | } | |
4643 | num_routes /= 2; | |
4644 | if (!num_routes) { | |
f110bfc7 | 4645 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4646 | propname); |
4647 | return -EINVAL; | |
4648 | } | |
4649 | ||
4650 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4651 | GFP_KERNEL); | |
4652 | if (!routes) { | |
4653 | dev_err(card->dev, | |
f110bfc7 | 4654 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4655 | return -EINVAL; |
4656 | } | |
4657 | ||
4658 | for (i = 0; i < num_routes; i++) { | |
4659 | ret = of_property_read_string_index(np, propname, | |
4660 | 2 * i, &routes[i].sink); | |
4661 | if (ret) { | |
c871bd0b MB |
4662 | dev_err(card->dev, |
4663 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4664 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4665 | return -EINVAL; |
4666 | } | |
4667 | ret = of_property_read_string_index(np, propname, | |
4668 | (2 * i) + 1, &routes[i].source); | |
4669 | if (ret) { | |
4670 | dev_err(card->dev, | |
c871bd0b MB |
4671 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4672 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4673 | return -EINVAL; |
4674 | } | |
4675 | } | |
4676 | ||
4677 | card->num_dapm_routes = num_routes; | |
4678 | card->dapm_routes = routes; | |
4679 | ||
4680 | return 0; | |
4681 | } | |
4682 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4683 | ||
a7930ed4 | 4684 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
4685 | const char *prefix, |
4686 | struct device_node **bitclkmaster, | |
4687 | struct device_node **framemaster) | |
a7930ed4 KM |
4688 | { |
4689 | int ret, i; | |
4690 | char prop[128]; | |
4691 | unsigned int format = 0; | |
4692 | int bit, frame; | |
4693 | const char *str; | |
4694 | struct { | |
4695 | char *name; | |
4696 | unsigned int val; | |
4697 | } of_fmt_table[] = { | |
4698 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4699 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4700 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4701 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4702 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4703 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4704 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4705 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4706 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4707 | }; |
4708 | ||
4709 | if (!prefix) | |
4710 | prefix = ""; | |
4711 | ||
4712 | /* | |
4713 | * check "[prefix]format = xxx" | |
4714 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4715 | */ | |
4716 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4717 | ret = of_property_read_string(np, prop, &str); | |
4718 | if (ret == 0) { | |
4719 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4720 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4721 | format |= of_fmt_table[i].val; | |
4722 | break; | |
4723 | } | |
4724 | } | |
4725 | } | |
4726 | ||
4727 | /* | |
8c2d6a9f | 4728 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4729 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4730 | */ | |
8c2d6a9f KM |
4731 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4732 | if (of_get_property(np, prop, NULL)) | |
4733 | format |= SND_SOC_DAIFMT_CONT; | |
4734 | else | |
4735 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4736 | |
4737 | /* | |
4738 | * check "[prefix]bitclock-inversion" | |
4739 | * check "[prefix]frame-inversion" | |
4740 | * SND_SOC_DAIFMT_INV_MASK area | |
4741 | */ | |
4742 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4743 | bit = !!of_get_property(np, prop, NULL); | |
4744 | ||
4745 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4746 | frame = !!of_get_property(np, prop, NULL); | |
4747 | ||
4748 | switch ((bit << 4) + frame) { | |
4749 | case 0x11: | |
4750 | format |= SND_SOC_DAIFMT_IB_IF; | |
4751 | break; | |
4752 | case 0x10: | |
4753 | format |= SND_SOC_DAIFMT_IB_NF; | |
4754 | break; | |
4755 | case 0x01: | |
4756 | format |= SND_SOC_DAIFMT_NB_IF; | |
4757 | break; | |
4758 | default: | |
4759 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4760 | break; | |
4761 | } | |
4762 | ||
4763 | /* | |
4764 | * check "[prefix]bitclock-master" | |
4765 | * check "[prefix]frame-master" | |
4766 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4767 | */ | |
4768 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4769 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4770 | if (bit && bitclkmaster) |
4771 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4772 | |
4773 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4774 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4775 | if (frame && framemaster) |
4776 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4777 | |
4778 | switch ((bit << 4) + frame) { | |
4779 | case 0x11: | |
4780 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4781 | break; | |
4782 | case 0x10: | |
4783 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4784 | break; | |
4785 | case 0x01: | |
4786 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4787 | break; | |
4788 | default: | |
4789 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4790 | break; | |
4791 | } | |
4792 | ||
4793 | return format; | |
4794 | } | |
4795 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4796 | ||
cb470087 KM |
4797 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4798 | const char **dai_name) | |
4799 | { | |
4800 | struct snd_soc_component *pos; | |
4801 | struct of_phandle_args args; | |
4802 | int ret; | |
4803 | ||
4804 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4805 | "#sound-dai-cells", 0, &args); | |
4806 | if (ret) | |
4807 | return ret; | |
4808 | ||
4809 | ret = -EPROBE_DEFER; | |
4810 | ||
4811 | mutex_lock(&client_mutex); | |
4812 | list_for_each_entry(pos, &component_list, list) { | |
4813 | if (pos->dev->of_node != args.np) | |
4814 | continue; | |
4815 | ||
6833c452 KM |
4816 | if (pos->driver->of_xlate_dai_name) { |
4817 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4818 | } else { | |
4819 | int id = -1; | |
4820 | ||
4821 | switch (args.args_count) { | |
4822 | case 0: | |
4823 | id = 0; /* same as dai_drv[0] */ | |
4824 | break; | |
4825 | case 1: | |
4826 | id = args.args[0]; | |
4827 | break; | |
4828 | default: | |
4829 | /* not supported */ | |
4830 | break; | |
4831 | } | |
4832 | ||
4833 | if (id < 0 || id >= pos->num_dai) { | |
4834 | ret = -EINVAL; | |
3dcba280 | 4835 | continue; |
6833c452 | 4836 | } |
e41975ed XL |
4837 | |
4838 | ret = 0; | |
4839 | ||
4840 | *dai_name = pos->dai_drv[id].name; | |
4841 | if (!*dai_name) | |
4842 | *dai_name = pos->name; | |
cb470087 KM |
4843 | } |
4844 | ||
cb470087 KM |
4845 | break; |
4846 | } | |
4847 | mutex_unlock(&client_mutex); | |
4848 | ||
4849 | of_node_put(args.np); | |
4850 | ||
4851 | return ret; | |
4852 | } | |
4853 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4854 | ||
c9b3a40f | 4855 | static int __init snd_soc_init(void) |
db2a4165 | 4856 | { |
384c89e2 | 4857 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4858 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4859 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4860 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4861 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4862 | } |
c3c5a19a | 4863 | |
8a9dab1a | 4864 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4865 | &codec_list_fops)) |
4866 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4867 | ||
8a9dab1a | 4868 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4869 | &dai_list_fops)) |
4870 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4871 | |
8a9dab1a | 4872 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4873 | &platform_list_fops)) |
4874 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4875 | #endif |
4876 | ||
fb257897 MB |
4877 | snd_soc_util_init(); |
4878 | ||
db2a4165 FM |
4879 | return platform_driver_register(&soc_driver); |
4880 | } | |
4abe8e16 | 4881 | module_init(snd_soc_init); |
db2a4165 | 4882 | |
7d8c16a6 | 4883 | static void __exit snd_soc_exit(void) |
db2a4165 | 4884 | { |
fb257897 MB |
4885 | snd_soc_util_exit(); |
4886 | ||
384c89e2 | 4887 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4888 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4889 | #endif |
3ff3f64b | 4890 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4891 | } |
db2a4165 FM |
4892 | module_exit(snd_soc_exit); |
4893 | ||
4894 | /* Module information */ | |
d331124d | 4895 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4896 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4897 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4898 | MODULE_ALIAS("platform:soc-audio"); |