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); |
9115171a | 59 | static LIST_HEAD(dai_list); |
12a48a8c | 60 | static LIST_HEAD(platform_list); |
0d0cf00a | 61 | static LIST_HEAD(codec_list); |
030e79f6 | 62 | static LIST_HEAD(component_list); |
c5af3a2e | 63 | |
db2a4165 FM |
64 | /* |
65 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
66 | * It can be used to eliminate pops between different playback streams, e.g. | |
67 | * between two audio tracks. | |
68 | */ | |
69 | static int pmdown_time = 5000; | |
70 | module_param(pmdown_time, int, 0); | |
71 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
72 | ||
741a509f MP |
73 | struct snd_ac97_reset_cfg { |
74 | struct pinctrl *pctl; | |
75 | struct pinctrl_state *pstate_reset; | |
76 | struct pinctrl_state *pstate_warm_reset; | |
77 | struct pinctrl_state *pstate_run; | |
78 | int gpio_sdata; | |
79 | int gpio_sync; | |
80 | int gpio_reset; | |
81 | }; | |
82 | ||
2bc9a81e DP |
83 | /* returns the minimum number of bytes needed to represent |
84 | * a particular given value */ | |
85 | static int min_bytes_needed(unsigned long val) | |
86 | { | |
87 | int c = 0; | |
88 | int i; | |
89 | ||
90 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
91 | if (val & (1UL << i)) | |
92 | break; | |
93 | c = (sizeof val * 8) - c; | |
94 | if (!c || (c % 8)) | |
95 | c = (c + 8) / 8; | |
96 | else | |
97 | c /= 8; | |
98 | return c; | |
99 | } | |
100 | ||
13fd179f DP |
101 | /* fill buf which is 'len' bytes with a formatted |
102 | * string of the form 'reg: value\n' */ | |
103 | static int format_register_str(struct snd_soc_codec *codec, | |
104 | unsigned int reg, char *buf, size_t len) | |
105 | { | |
00b317a4 SW |
106 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
107 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
108 | int ret; |
109 | char tmpbuf[len + 1]; | |
110 | char regbuf[regsize + 1]; | |
111 | ||
112 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
113 | * try to abuse this function */ | |
114 | WARN_ON(len > 63); | |
115 | ||
116 | /* +2 for ': ' and + 1 for '\n' */ | |
117 | if (wordsize + regsize + 2 + 1 != len) | |
118 | return -EINVAL; | |
119 | ||
25032c11 | 120 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
121 | if (ret < 0) { |
122 | memset(regbuf, 'X', regsize); | |
123 | regbuf[regsize] = '\0'; | |
124 | } else { | |
125 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
126 | } | |
127 | ||
128 | /* prepare the buffer */ | |
129 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
130 | /* copy it back to the caller without the '\0' */ | |
131 | memcpy(buf, tmpbuf, len); | |
132 | ||
133 | return 0; | |
134 | } | |
135 | ||
2624d5fa | 136 | /* codec register dump */ |
13fd179f DP |
137 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
138 | size_t count, loff_t pos) | |
2624d5fa | 139 | { |
13fd179f | 140 | int i, step = 1; |
2bc9a81e | 141 | int wordsize, regsize; |
13fd179f DP |
142 | int len; |
143 | size_t total = 0; | |
144 | loff_t p = 0; | |
2bc9a81e | 145 | |
00b317a4 SW |
146 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
147 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 148 | |
13fd179f DP |
149 | len = wordsize + regsize + 2 + 1; |
150 | ||
f0fba2ad | 151 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
152 | return 0; |
153 | ||
f0fba2ad LG |
154 | if (codec->driver->reg_cache_step) |
155 | step = codec->driver->reg_cache_step; | |
2624d5fa | 156 | |
f0fba2ad | 157 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
b92d150b | 158 | if (!snd_soc_codec_readable_register(codec, i)) |
2624d5fa | 159 | continue; |
f0fba2ad LG |
160 | if (codec->driver->display_register) { |
161 | count += codec->driver->display_register(codec, buf + count, | |
2624d5fa | 162 | PAGE_SIZE - count, i); |
5164d74d | 163 | } else { |
13fd179f DP |
164 | /* only support larger than PAGE_SIZE bytes debugfs |
165 | * entries for the default case */ | |
166 | if (p >= pos) { | |
167 | if (total + len >= count - 1) | |
168 | break; | |
169 | format_register_str(codec, i, buf + total, len); | |
170 | total += len; | |
171 | } | |
172 | p += len; | |
5164d74d | 173 | } |
2624d5fa MB |
174 | } |
175 | ||
13fd179f | 176 | total = min(total, count - 1); |
2624d5fa | 177 | |
13fd179f | 178 | return total; |
2624d5fa | 179 | } |
13fd179f | 180 | |
2624d5fa MB |
181 | static ssize_t codec_reg_show(struct device *dev, |
182 | struct device_attribute *attr, char *buf) | |
183 | { | |
36ae1a96 | 184 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 185 | |
13fd179f | 186 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
187 | } |
188 | ||
189 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
190 | ||
dbe21408 MB |
191 | static ssize_t pmdown_time_show(struct device *dev, |
192 | struct device_attribute *attr, char *buf) | |
193 | { | |
36ae1a96 | 194 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 195 | |
f0fba2ad | 196 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
197 | } |
198 | ||
199 | static ssize_t pmdown_time_set(struct device *dev, | |
200 | struct device_attribute *attr, | |
201 | const char *buf, size_t count) | |
202 | { | |
36ae1a96 | 203 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 204 | int ret; |
dbe21408 | 205 | |
b785a492 | 206 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
207 | if (ret) |
208 | return ret; | |
dbe21408 MB |
209 | |
210 | return count; | |
211 | } | |
212 | ||
213 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
214 | ||
2624d5fa | 215 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 216 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 217 | size_t count, loff_t *ppos) |
2624d5fa MB |
218 | { |
219 | ssize_t ret; | |
220 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
221 | char *buf; |
222 | ||
223 | if (*ppos < 0 || !count) | |
224 | return -EINVAL; | |
225 | ||
226 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
227 | if (!buf) |
228 | return -ENOMEM; | |
13fd179f DP |
229 | |
230 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
231 | if (ret >= 0) { | |
232 | if (copy_to_user(user_buf, buf, ret)) { | |
233 | kfree(buf); | |
234 | return -EFAULT; | |
235 | } | |
236 | *ppos += ret; | |
237 | } | |
238 | ||
2624d5fa MB |
239 | kfree(buf); |
240 | return ret; | |
241 | } | |
242 | ||
243 | static ssize_t codec_reg_write_file(struct file *file, | |
244 | const char __user *user_buf, size_t count, loff_t *ppos) | |
245 | { | |
246 | char buf[32]; | |
34e268d8 | 247 | size_t buf_size; |
2624d5fa MB |
248 | char *start = buf; |
249 | unsigned long reg, value; | |
2624d5fa | 250 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 251 | int ret; |
2624d5fa MB |
252 | |
253 | buf_size = min(count, (sizeof(buf)-1)); | |
254 | if (copy_from_user(buf, user_buf, buf_size)) | |
255 | return -EFAULT; | |
256 | buf[buf_size] = 0; | |
2624d5fa MB |
257 | |
258 | while (*start == ' ') | |
259 | start++; | |
260 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
261 | while (*start == ' ') |
262 | start++; | |
b785a492 JH |
263 | ret = kstrtoul(start, 16, &value); |
264 | if (ret) | |
265 | return ret; | |
0d51a9cb MB |
266 | |
267 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 268 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 269 | |
e4f078d8 | 270 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
271 | return buf_size; |
272 | } | |
273 | ||
274 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 275 | .open = simple_open, |
2624d5fa MB |
276 | .read = codec_reg_read_file, |
277 | .write = codec_reg_write_file, | |
6038f373 | 278 | .llseek = default_llseek, |
2624d5fa MB |
279 | }; |
280 | ||
281 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
282 | { | |
d6ce4cf3 JN |
283 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
284 | ||
285 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, | |
286 | debugfs_card_root); | |
2624d5fa | 287 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
288 | dev_warn(codec->dev, |
289 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
290 | return; |
291 | } | |
292 | ||
aaee8ef1 MB |
293 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
294 | &codec->cache_sync); | |
295 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
296 | &codec->cache_only); | |
297 | ||
2624d5fa MB |
298 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
299 | codec->debugfs_codec_root, | |
300 | codec, &codec_reg_fops); | |
301 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
302 | dev_warn(codec->dev, |
303 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 304 | |
8eecaf62 | 305 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
306 | } |
307 | ||
308 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
309 | { | |
310 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
311 | } | |
312 | ||
731f1ab2 SG |
313 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
314 | { | |
315 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
316 | ||
317 | platform->debugfs_platform_root = debugfs_create_dir(platform->name, | |
318 | debugfs_card_root); | |
319 | if (!platform->debugfs_platform_root) { | |
320 | dev_warn(platform->dev, | |
f110bfc7 | 321 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
322 | return; |
323 | } | |
324 | ||
325 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
326 | platform->debugfs_platform_root); | |
327 | } | |
328 | ||
329 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
330 | { | |
331 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
332 | } | |
333 | ||
c3c5a19a MB |
334 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
335 | size_t count, loff_t *ppos) | |
336 | { | |
337 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 338 | ssize_t len, ret = 0; |
c3c5a19a MB |
339 | struct snd_soc_codec *codec; |
340 | ||
341 | if (!buf) | |
342 | return -ENOMEM; | |
343 | ||
2b194f9d MB |
344 | list_for_each_entry(codec, &codec_list, list) { |
345 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
346 | codec->name); | |
347 | if (len >= 0) | |
348 | ret += len; | |
349 | if (ret > PAGE_SIZE) { | |
350 | ret = PAGE_SIZE; | |
351 | break; | |
352 | } | |
353 | } | |
c3c5a19a MB |
354 | |
355 | if (ret >= 0) | |
356 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
357 | ||
358 | kfree(buf); | |
359 | ||
360 | return ret; | |
361 | } | |
362 | ||
363 | static const struct file_operations codec_list_fops = { | |
364 | .read = codec_list_read_file, | |
365 | .llseek = default_llseek,/* read accesses f_pos */ | |
366 | }; | |
367 | ||
f3208780 MB |
368 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
369 | size_t count, loff_t *ppos) | |
370 | { | |
371 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 372 | ssize_t len, ret = 0; |
f3208780 MB |
373 | struct snd_soc_dai *dai; |
374 | ||
375 | if (!buf) | |
376 | return -ENOMEM; | |
377 | ||
2b194f9d MB |
378 | list_for_each_entry(dai, &dai_list, list) { |
379 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); | |
380 | if (len >= 0) | |
381 | ret += len; | |
382 | if (ret > PAGE_SIZE) { | |
383 | ret = PAGE_SIZE; | |
384 | break; | |
385 | } | |
386 | } | |
f3208780 | 387 | |
2b194f9d | 388 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
389 | |
390 | kfree(buf); | |
391 | ||
392 | return ret; | |
393 | } | |
394 | ||
395 | static const struct file_operations dai_list_fops = { | |
396 | .read = dai_list_read_file, | |
397 | .llseek = default_llseek,/* read accesses f_pos */ | |
398 | }; | |
399 | ||
19c7ac27 MB |
400 | static ssize_t platform_list_read_file(struct file *file, |
401 | char __user *user_buf, | |
402 | size_t count, loff_t *ppos) | |
403 | { | |
404 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 405 | ssize_t len, ret = 0; |
19c7ac27 MB |
406 | struct snd_soc_platform *platform; |
407 | ||
408 | if (!buf) | |
409 | return -ENOMEM; | |
410 | ||
2b194f9d MB |
411 | list_for_each_entry(platform, &platform_list, list) { |
412 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
413 | platform->name); | |
414 | if (len >= 0) | |
415 | ret += len; | |
416 | if (ret > PAGE_SIZE) { | |
417 | ret = PAGE_SIZE; | |
418 | break; | |
419 | } | |
420 | } | |
19c7ac27 | 421 | |
2b194f9d | 422 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
423 | |
424 | kfree(buf); | |
425 | ||
426 | return ret; | |
427 | } | |
428 | ||
429 | static const struct file_operations platform_list_fops = { | |
430 | .read = platform_list_read_file, | |
431 | .llseek = default_llseek,/* read accesses f_pos */ | |
432 | }; | |
433 | ||
a6052154 JN |
434 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
435 | { | |
436 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 437 | snd_soc_debugfs_root); |
3a45b867 | 438 | if (!card->debugfs_card_root) { |
a6052154 | 439 | dev_warn(card->dev, |
7c08be84 | 440 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
441 | return; |
442 | } | |
443 | ||
444 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
445 | card->debugfs_card_root, | |
446 | &card->pop_time); | |
447 | if (!card->debugfs_pop_time) | |
448 | dev_warn(card->dev, | |
f110bfc7 | 449 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
450 | } |
451 | ||
452 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
453 | { | |
454 | debugfs_remove_recursive(card->debugfs_card_root); | |
455 | } | |
456 | ||
2624d5fa MB |
457 | #else |
458 | ||
459 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
460 | { | |
461 | } | |
462 | ||
463 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
464 | { | |
465 | } | |
b95fccbc | 466 | |
731f1ab2 SG |
467 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
468 | { | |
469 | } | |
470 | ||
471 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
472 | { | |
473 | } | |
474 | ||
b95fccbc AL |
475 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
476 | { | |
477 | } | |
478 | ||
479 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
480 | { | |
481 | } | |
2624d5fa MB |
482 | #endif |
483 | ||
47c88fff LG |
484 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
485 | const char *dai_link, int stream) | |
486 | { | |
487 | int i; | |
488 | ||
489 | for (i = 0; i < card->num_links; i++) { | |
490 | if (card->rtd[i].dai_link->no_pcm && | |
491 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
492 | return card->rtd[i].pcm->streams[stream].substream; | |
493 | } | |
f110bfc7 | 494 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
495 | return NULL; |
496 | } | |
497 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
498 | ||
499 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
500 | const char *dai_link) | |
501 | { | |
502 | int i; | |
503 | ||
504 | for (i = 0; i < card->num_links; i++) { | |
505 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
506 | return &card->rtd[i]; | |
507 | } | |
f110bfc7 | 508 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
509 | return NULL; |
510 | } | |
511 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
512 | ||
db2a4165 FM |
513 | #ifdef CONFIG_SND_SOC_AC97_BUS |
514 | /* unregister ac97 codec */ | |
515 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
516 | { | |
517 | if (codec->ac97->dev.bus) | |
518 | device_unregister(&codec->ac97->dev); | |
519 | return 0; | |
520 | } | |
521 | ||
522 | /* stop no dev release warning */ | |
523 | static void soc_ac97_device_release(struct device *dev){} | |
524 | ||
525 | /* register ac97 codec to bus */ | |
526 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
527 | { | |
528 | int err; | |
529 | ||
530 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 531 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
532 | codec->ac97->dev.release = soc_ac97_device_release; |
533 | ||
bb072bf0 | 534 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f0fba2ad | 535 | codec->card->snd_card->number, 0, codec->name); |
db2a4165 FM |
536 | err = device_register(&codec->ac97->dev); |
537 | if (err < 0) { | |
f110bfc7 | 538 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
539 | codec->ac97->dev.bus = NULL; |
540 | return err; | |
541 | } | |
542 | return 0; | |
543 | } | |
544 | #endif | |
545 | ||
9d58a077 RF |
546 | static void codec2codec_close_delayed_work(struct work_struct *work) |
547 | { | |
548 | /* Currently nothing to do for c2c links | |
549 | * Since c2c links are internal nodes in the DAPM graph and | |
550 | * don't interface with the outside world or application layer | |
551 | * we don't have to do any special handling on close. | |
552 | */ | |
553 | } | |
554 | ||
6f8ab4ac | 555 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 556 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 557 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 558 | { |
6f8ab4ac | 559 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 560 | struct snd_soc_codec *codec; |
db2a4165 FM |
561 | int i; |
562 | ||
e3509ff0 DM |
563 | /* If the initialization of this soc device failed, there is no codec |
564 | * associated with it. Just bail out in this case. | |
565 | */ | |
f0fba2ad | 566 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
567 | return 0; |
568 | ||
6ed25978 AG |
569 | /* Due to the resume being scheduled into a workqueue we could |
570 | * suspend before that's finished - wait for it to complete. | |
571 | */ | |
f0fba2ad LG |
572 | snd_power_lock(card->snd_card); |
573 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
574 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
575 | |
576 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 577 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 578 | |
a00f90f9 | 579 | /* mute any active DACs */ |
f0fba2ad LG |
580 | for (i = 0; i < card->num_rtd; i++) { |
581 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
582 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 583 | |
f0fba2ad | 584 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
585 | continue; |
586 | ||
f0fba2ad LG |
587 | if (drv->ops->digital_mute && dai->playback_active) |
588 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
589 | } |
590 | ||
4ccab3e7 | 591 | /* suspend all pcms */ |
f0fba2ad LG |
592 | for (i = 0; i < card->num_rtd; i++) { |
593 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
594 | continue; |
595 | ||
f0fba2ad | 596 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 597 | } |
4ccab3e7 | 598 | |
87506549 | 599 | if (card->suspend_pre) |
70b2ac12 | 600 | card->suspend_pre(card); |
db2a4165 | 601 | |
f0fba2ad LG |
602 | for (i = 0; i < card->num_rtd; i++) { |
603 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
604 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 605 | |
f0fba2ad | 606 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
607 | continue; |
608 | ||
f0fba2ad LG |
609 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
610 | cpu_dai->driver->suspend(cpu_dai); | |
611 | if (platform->driver->suspend && !platform->suspended) { | |
612 | platform->driver->suspend(cpu_dai); | |
613 | platform->suspended = 1; | |
614 | } | |
db2a4165 FM |
615 | } |
616 | ||
617 | /* close any waiting streams and save state */ | |
f0fba2ad | 618 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 619 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 620 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 621 | } |
db2a4165 | 622 | |
f0fba2ad | 623 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 624 | |
f0fba2ad | 625 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
626 | continue; |
627 | ||
7bd3a6f3 MB |
628 | snd_soc_dapm_stream_event(&card->rtd[i], |
629 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 630 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 631 | |
7bd3a6f3 MB |
632 | snd_soc_dapm_stream_event(&card->rtd[i], |
633 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 634 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
635 | } |
636 | ||
e2d32ff6 MB |
637 | /* Recheck all analogue paths too */ |
638 | dapm_mark_io_dirty(&card->dapm); | |
639 | snd_soc_dapm_sync(&card->dapm); | |
640 | ||
f0fba2ad | 641 | /* suspend all CODECs */ |
2eea392d | 642 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
643 | /* If there are paths active then the CODEC will be held with |
644 | * bias _ON and should not be suspended. */ | |
645 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 646 | switch (codec->dapm.bias_level) { |
f0fba2ad | 647 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
648 | /* |
649 | * If the CODEC is capable of idle | |
650 | * bias off then being in STANDBY | |
651 | * means it's doing something, | |
652 | * otherwise fall through. | |
653 | */ | |
654 | if (codec->dapm.idle_bias_off) { | |
655 | dev_dbg(codec->dev, | |
10e8aa9a | 656 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
657 | break; |
658 | } | |
f0fba2ad | 659 | case SND_SOC_BIAS_OFF: |
84b315ee | 660 | codec->driver->suspend(codec); |
f0fba2ad | 661 | codec->suspended = 1; |
7be4ba24 | 662 | codec->cache_sync = 1; |
da8b8e0f MB |
663 | if (codec->using_regmap) |
664 | regcache_mark_dirty(codec->control_data); | |
f0fba2ad LG |
665 | break; |
666 | default: | |
10e8aa9a MM |
667 | dev_dbg(codec->dev, |
668 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
669 | break; |
670 | } | |
1547aba9 MB |
671 | } |
672 | } | |
db2a4165 | 673 | |
f0fba2ad LG |
674 | for (i = 0; i < card->num_rtd; i++) { |
675 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 676 | |
f0fba2ad | 677 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
678 | continue; |
679 | ||
f0fba2ad LG |
680 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
681 | cpu_dai->driver->suspend(cpu_dai); | |
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; |
db2a4165 FM |
699 | int i; |
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 LG |
759 | for (i = 0; i < card->num_rtd; i++) { |
760 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
761 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 762 | |
f0fba2ad | 763 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
764 | continue; |
765 | ||
f0fba2ad LG |
766 | if (drv->ops->digital_mute && dai->playback_active) |
767 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
768 | } |
769 | ||
f0fba2ad LG |
770 | for (i = 0; i < card->num_rtd; i++) { |
771 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
772 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 773 | |
f0fba2ad | 774 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
775 | continue; |
776 | ||
f0fba2ad LG |
777 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
778 | cpu_dai->driver->resume(cpu_dai); | |
779 | if (platform->driver->resume && platform->suspended) { | |
780 | platform->driver->resume(cpu_dai); | |
781 | platform->suspended = 0; | |
782 | } | |
db2a4165 FM |
783 | } |
784 | ||
87506549 | 785 | if (card->resume_post) |
70b2ac12 | 786 | card->resume_post(card); |
db2a4165 | 787 | |
f110bfc7 | 788 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
789 | |
790 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 791 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
792 | |
793 | /* Recheck all analogue paths too */ | |
794 | dapm_mark_io_dirty(&card->dapm); | |
795 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
796 | } |
797 | ||
798 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 799 | int snd_soc_resume(struct device *dev) |
6ed25978 | 800 | { |
6f8ab4ac | 801 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 802 | int i, ac97_control = 0; |
b9dd94a8 | 803 | |
5ff1ddf2 EM |
804 | /* If the initialization of this soc device failed, there is no codec |
805 | * associated with it. Just bail out in this case. | |
806 | */ | |
807 | if (list_empty(&card->codec_dev_list)) | |
808 | return 0; | |
809 | ||
64ab9baa MB |
810 | /* AC97 devices might have other drivers hanging off them so |
811 | * need to resume immediately. Other drivers don't have that | |
812 | * problem and may take a substantial amount of time to resume | |
813 | * due to I/O costs and anti-pop so handle them out of line. | |
814 | */ | |
f0fba2ad LG |
815 | for (i = 0; i < card->num_rtd; i++) { |
816 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
817 | ac97_control |= cpu_dai->driver->ac97_control; |
818 | } | |
819 | if (ac97_control) { | |
f110bfc7 | 820 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
821 | soc_resume_deferred(&card->deferred_resume_work); |
822 | } else { | |
f110bfc7 | 823 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 824 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 825 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 826 | } |
6ed25978 | 827 | |
db2a4165 FM |
828 | return 0; |
829 | } | |
6f8ab4ac | 830 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 831 | #else |
6f8ab4ac MB |
832 | #define snd_soc_suspend NULL |
833 | #define snd_soc_resume NULL | |
db2a4165 FM |
834 | #endif |
835 | ||
85e7652d | 836 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
837 | }; |
838 | ||
f0fba2ad | 839 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 840 | { |
f0fba2ad LG |
841 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
842 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
fe3e78e0 | 843 | struct snd_soc_codec *codec; |
435c5e25 | 844 | struct snd_soc_platform *platform; |
f0fba2ad | 845 | struct snd_soc_dai *codec_dai, *cpu_dai; |
848dd8be | 846 | const char *platform_name; |
435c5e25 | 847 | |
f110bfc7 | 848 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 849 | |
b19e6e7b | 850 | /* Find CPU DAI from registered DAIs*/ |
f0fba2ad | 851 | list_for_each_entry(cpu_dai, &dai_list, list) { |
bc92657a SW |
852 | if (dai_link->cpu_of_node && |
853 | (cpu_dai->dev->of_node != dai_link->cpu_of_node)) | |
854 | continue; | |
855 | if (dai_link->cpu_name && | |
856 | strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name)) | |
857 | continue; | |
858 | if (dai_link->cpu_dai_name && | |
859 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
860 | continue; | |
2610ab77 SW |
861 | |
862 | rtd->cpu_dai = cpu_dai; | |
435c5e25 | 863 | } |
6308419a | 864 | |
b19e6e7b | 865 | if (!rtd->cpu_dai) { |
f110bfc7 | 866 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
867 | dai_link->cpu_dai_name); |
868 | return -EPROBE_DEFER; | |
f0fba2ad LG |
869 | } |
870 | ||
b19e6e7b | 871 | /* Find CODEC from registered CODECs */ |
f0fba2ad | 872 | list_for_each_entry(codec, &codec_list, list) { |
5a504963 SW |
873 | if (dai_link->codec_of_node) { |
874 | if (codec->dev->of_node != dai_link->codec_of_node) | |
875 | continue; | |
876 | } else { | |
877 | if (strcmp(codec->name, dai_link->codec_name)) | |
878 | continue; | |
879 | } | |
2610ab77 SW |
880 | |
881 | rtd->codec = codec; | |
882 | ||
883 | /* | |
884 | * CODEC found, so find CODEC DAI from registered DAIs from | |
885 | * this CODEC | |
886 | */ | |
887 | list_for_each_entry(codec_dai, &dai_list, list) { | |
888 | if (codec->dev == codec_dai->dev && | |
889 | !strcmp(codec_dai->name, | |
890 | dai_link->codec_dai_name)) { | |
f0fba2ad | 891 | |
2610ab77 | 892 | rtd->codec_dai = codec_dai; |
2610ab77 | 893 | } |
435c5e25 | 894 | } |
2610ab77 | 895 | |
b19e6e7b | 896 | if (!rtd->codec_dai) { |
f110bfc7 | 897 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", |
b19e6e7b MB |
898 | dai_link->codec_dai_name); |
899 | return -EPROBE_DEFER; | |
900 | } | |
f0fba2ad | 901 | } |
6b05eda6 | 902 | |
b19e6e7b | 903 | if (!rtd->codec) { |
f110bfc7 | 904 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
905 | dai_link->codec_name); |
906 | return -EPROBE_DEFER; | |
907 | } | |
848dd8be MB |
908 | |
909 | /* if there's no platform we match on the empty platform */ | |
910 | platform_name = dai_link->platform_name; | |
5a504963 | 911 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
912 | platform_name = "snd-soc-dummy"; |
913 | ||
b19e6e7b | 914 | /* find one from the set of registered platforms */ |
f0fba2ad | 915 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
916 | if (dai_link->platform_of_node) { |
917 | if (platform->dev->of_node != | |
918 | dai_link->platform_of_node) | |
919 | continue; | |
920 | } else { | |
921 | if (strcmp(platform->name, platform_name)) | |
922 | continue; | |
923 | } | |
2610ab77 SW |
924 | |
925 | rtd->platform = platform; | |
02a06d30 | 926 | } |
b19e6e7b | 927 | if (!rtd->platform) { |
f110bfc7 | 928 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 929 | dai_link->platform_name); |
b19e6e7b | 930 | return -EPROBE_DEFER; |
f0fba2ad | 931 | } |
b19e6e7b MB |
932 | |
933 | card->num_rtd++; | |
934 | ||
935 | return 0; | |
f0fba2ad LG |
936 | } |
937 | ||
d12cd198 SW |
938 | static int soc_remove_platform(struct snd_soc_platform *platform) |
939 | { | |
940 | int ret; | |
941 | ||
942 | if (platform->driver->remove) { | |
943 | ret = platform->driver->remove(platform); | |
944 | if (ret < 0) | |
f110bfc7 LG |
945 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
946 | ret); | |
d12cd198 SW |
947 | } |
948 | ||
949 | /* Make sure all DAPM widgets are freed */ | |
950 | snd_soc_dapm_free(&platform->dapm); | |
951 | ||
952 | soc_cleanup_platform_debugfs(platform); | |
953 | platform->probed = 0; | |
954 | list_del(&platform->card_list); | |
955 | module_put(platform->dev->driver->owner); | |
956 | ||
957 | return 0; | |
958 | } | |
959 | ||
589c3563 JN |
960 | static void soc_remove_codec(struct snd_soc_codec *codec) |
961 | { | |
962 | int err; | |
963 | ||
964 | if (codec->driver->remove) { | |
965 | err = codec->driver->remove(codec); | |
966 | if (err < 0) | |
f110bfc7 | 967 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
968 | } |
969 | ||
970 | /* Make sure all DAPM widgets are freed */ | |
971 | snd_soc_dapm_free(&codec->dapm); | |
972 | ||
973 | soc_cleanup_codec_debugfs(codec); | |
974 | codec->probed = 0; | |
975 | list_del(&codec->card_list); | |
976 | module_put(codec->dev->driver->owner); | |
977 | } | |
978 | ||
62ae68fa | 979 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
980 | { |
981 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad LG |
982 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
983 | int err; | |
984 | ||
985 | /* unregister the rtd device */ | |
986 | if (rtd->dev_registered) { | |
36ae1a96 MB |
987 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); |
988 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
989 | device_unregister(rtd->dev); | |
f0fba2ad LG |
990 | rtd->dev_registered = 0; |
991 | } | |
992 | ||
993 | /* remove the CODEC DAI */ | |
0168bf0d LG |
994 | if (codec_dai && codec_dai->probed && |
995 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
996 | if (codec_dai->driver->remove) { |
997 | err = codec_dai->driver->remove(codec_dai); | |
998 | if (err < 0) | |
f110bfc7 LG |
999 | dev_err(codec_dai->dev, |
1000 | "ASoC: failed to remove %s: %d\n", | |
1001 | codec_dai->name, err); | |
6b05eda6 | 1002 | } |
f0fba2ad LG |
1003 | codec_dai->probed = 0; |
1004 | list_del(&codec_dai->card_list); | |
1005 | } | |
6b05eda6 | 1006 | |
f0fba2ad | 1007 | /* remove the cpu_dai */ |
0168bf0d LG |
1008 | if (cpu_dai && cpu_dai->probed && |
1009 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1010 | if (cpu_dai->driver->remove) { |
1011 | err = cpu_dai->driver->remove(cpu_dai); | |
1012 | if (err < 0) | |
f110bfc7 LG |
1013 | dev_err(cpu_dai->dev, |
1014 | "ASoC: failed to remove %s: %d\n", | |
1015 | cpu_dai->name, err); | |
db2a4165 | 1016 | } |
f0fba2ad LG |
1017 | cpu_dai->probed = 0; |
1018 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 1019 | |
18d75644 SW |
1020 | if (!cpu_dai->codec) { |
1021 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1022 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1023 | } |
db2a4165 | 1024 | } |
f0fba2ad | 1025 | } |
db2a4165 | 1026 | |
62ae68fa SW |
1027 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1028 | int order) | |
1029 | { | |
1030 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1031 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1032 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1033 | struct snd_soc_platform *platform = rtd->platform; | |
1034 | struct snd_soc_codec *codec; | |
1035 | ||
1036 | /* remove the platform */ | |
1037 | if (platform && platform->probed && | |
1038 | platform->driver->remove_order == order) { | |
1039 | soc_remove_platform(platform); | |
1040 | } | |
1041 | ||
1042 | /* remove the CODEC-side CODEC */ | |
1043 | if (codec_dai) { | |
1044 | codec = codec_dai->codec; | |
1045 | if (codec && codec->probed && | |
1046 | codec->driver->remove_order == order) | |
1047 | soc_remove_codec(codec); | |
1048 | } | |
1049 | ||
1050 | /* remove any CPU-side CODEC */ | |
1051 | if (cpu_dai) { | |
1052 | codec = cpu_dai->codec; | |
1053 | if (codec && codec->probed && | |
1054 | codec->driver->remove_order == order) | |
1055 | soc_remove_codec(codec); | |
1056 | } | |
1057 | } | |
1058 | ||
0671fd8e KM |
1059 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1060 | { | |
0168bf0d | 1061 | int dai, order; |
0671fd8e | 1062 | |
0168bf0d LG |
1063 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1064 | order++) { | |
1065 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1066 | soc_remove_link_dais(card, dai, order); |
1067 | } | |
1068 | ||
1069 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1070 | order++) { | |
1071 | for (dai = 0; dai < card->num_rtd; dai++) | |
1072 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1073 | } |
62ae68fa | 1074 | |
0671fd8e KM |
1075 | card->num_rtd = 0; |
1076 | } | |
1077 | ||
ead9b919 JN |
1078 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1079 | struct snd_soc_codec *codec) | |
1080 | { | |
1081 | int i; | |
1082 | ||
ff819b83 | 1083 | if (card->codec_conf == NULL) |
ead9b919 JN |
1084 | return; |
1085 | ||
ff819b83 DP |
1086 | for (i = 0; i < card->num_configs; i++) { |
1087 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1088 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1089 | codec->name_prefix = map->name_prefix; | |
1090 | break; | |
1091 | } | |
1092 | } | |
1093 | } | |
1094 | ||
589c3563 JN |
1095 | static int soc_probe_codec(struct snd_soc_card *card, |
1096 | struct snd_soc_codec *codec) | |
1097 | { | |
1098 | int ret = 0; | |
89b95ac0 | 1099 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1100 | struct snd_soc_dai *dai; |
589c3563 JN |
1101 | |
1102 | codec->card = card; | |
1103 | codec->dapm.card = card; | |
1104 | soc_set_name_prefix(card, codec); | |
1105 | ||
70d29331 JN |
1106 | if (!try_module_get(codec->dev->driver->owner)) |
1107 | return -ENODEV; | |
1108 | ||
d5d1e0be LPC |
1109 | soc_init_codec_debugfs(codec); |
1110 | ||
77530150 LPC |
1111 | if (driver->dapm_widgets) |
1112 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, | |
1113 | driver->num_dapm_widgets); | |
1114 | ||
888df395 MB |
1115 | /* Create DAPM widgets for each DAI stream */ |
1116 | list_for_each_entry(dai, &dai_list, list) { | |
1117 | if (dai->dev != codec->dev) | |
1118 | continue; | |
1119 | ||
1120 | snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1121 | } | |
1122 | ||
33c5f969 MB |
1123 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1124 | ||
89b95ac0 MB |
1125 | if (driver->probe) { |
1126 | ret = driver->probe(codec); | |
589c3563 JN |
1127 | if (ret < 0) { |
1128 | dev_err(codec->dev, | |
f110bfc7 | 1129 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1130 | goto err_probe; |
589c3563 | 1131 | } |
ff541f4b CL |
1132 | WARN(codec->dapm.idle_bias_off && |
1133 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a MM |
1134 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
1135 | codec->name); | |
589c3563 JN |
1136 | } |
1137 | ||
38cbf959 | 1138 | /* If the driver didn't set I/O up try regmap */ |
98d3088e | 1139 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) |
38cbf959 MB |
1140 | snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP); |
1141 | ||
b7af1daf | 1142 | if (driver->controls) |
022658be | 1143 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1144 | driver->num_controls); |
89b95ac0 MB |
1145 | if (driver->dapm_routes) |
1146 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1147 | driver->num_dapm_routes); | |
1148 | ||
589c3563 JN |
1149 | /* mark codec as probed and add to card codec list */ |
1150 | codec->probed = 1; | |
1151 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1152 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1153 | |
70d29331 JN |
1154 | return 0; |
1155 | ||
1156 | err_probe: | |
d5d1e0be | 1157 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1158 | module_put(codec->dev->driver->owner); |
1159 | ||
589c3563 JN |
1160 | return ret; |
1161 | } | |
1162 | ||
956245e9 LG |
1163 | static int soc_probe_platform(struct snd_soc_card *card, |
1164 | struct snd_soc_platform *platform) | |
1165 | { | |
1166 | int ret = 0; | |
1167 | const struct snd_soc_platform_driver *driver = platform->driver; | |
be09ad90 | 1168 | struct snd_soc_dai *dai; |
956245e9 LG |
1169 | |
1170 | platform->card = card; | |
b7950641 | 1171 | platform->dapm.card = card; |
956245e9 LG |
1172 | |
1173 | if (!try_module_get(platform->dev->driver->owner)) | |
1174 | return -ENODEV; | |
1175 | ||
731f1ab2 SG |
1176 | soc_init_platform_debugfs(platform); |
1177 | ||
cb2cf612 LG |
1178 | if (driver->dapm_widgets) |
1179 | snd_soc_dapm_new_controls(&platform->dapm, | |
1180 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1181 | ||
be09ad90 LG |
1182 | /* Create DAPM widgets for each DAI stream */ |
1183 | list_for_each_entry(dai, &dai_list, list) { | |
1184 | if (dai->dev != platform->dev) | |
1185 | continue; | |
1186 | ||
1187 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
1188 | } | |
1189 | ||
3fec6b6d SW |
1190 | platform->dapm.idle_bias_off = 1; |
1191 | ||
956245e9 LG |
1192 | if (driver->probe) { |
1193 | ret = driver->probe(platform); | |
1194 | if (ret < 0) { | |
1195 | dev_err(platform->dev, | |
f110bfc7 | 1196 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1197 | goto err_probe; |
1198 | } | |
1199 | } | |
1200 | ||
cb2cf612 LG |
1201 | if (driver->controls) |
1202 | snd_soc_add_platform_controls(platform, driver->controls, | |
1203 | driver->num_controls); | |
1204 | if (driver->dapm_routes) | |
1205 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1206 | driver->num_dapm_routes); | |
1207 | ||
956245e9 LG |
1208 | /* mark platform as probed and add to card platform list */ |
1209 | platform->probed = 1; | |
1210 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1211 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1212 | |
1213 | return 0; | |
1214 | ||
1215 | err_probe: | |
02db1103 | 1216 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1217 | module_put(platform->dev->driver->owner); |
1218 | ||
1219 | return ret; | |
1220 | } | |
1221 | ||
36ae1a96 MB |
1222 | static void rtd_release(struct device *dev) |
1223 | { | |
1224 | kfree(dev); | |
1225 | } | |
f0fba2ad | 1226 | |
589c3563 JN |
1227 | static int soc_post_component_init(struct snd_soc_card *card, |
1228 | struct snd_soc_codec *codec, | |
1229 | int num, int dailess) | |
1230 | { | |
1231 | struct snd_soc_dai_link *dai_link = NULL; | |
1232 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1233 | struct snd_soc_pcm_runtime *rtd; | |
1234 | const char *temp, *name; | |
1235 | int ret = 0; | |
1236 | ||
1237 | if (!dailess) { | |
1238 | dai_link = &card->dai_link[num]; | |
1239 | rtd = &card->rtd[num]; | |
1240 | name = dai_link->name; | |
1241 | } else { | |
1242 | aux_dev = &card->aux_dev[num]; | |
1243 | rtd = &card->rtd_aux[num]; | |
1244 | name = aux_dev->name; | |
1245 | } | |
0962bb21 | 1246 | rtd->card = card; |
589c3563 JN |
1247 | |
1248 | /* machine controls, routes and widgets are not prefixed */ | |
1249 | temp = codec->name_prefix; | |
1250 | codec->name_prefix = NULL; | |
1251 | ||
1252 | /* do machine specific initialization */ | |
1253 | if (!dailess && dai_link->init) | |
1254 | ret = dai_link->init(rtd); | |
1255 | else if (dailess && aux_dev->init) | |
1256 | ret = aux_dev->init(&codec->dapm); | |
1257 | if (ret < 0) { | |
f110bfc7 | 1258 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1259 | return ret; |
1260 | } | |
1261 | codec->name_prefix = temp; | |
1262 | ||
589c3563 JN |
1263 | /* register the rtd device */ |
1264 | rtd->codec = codec; | |
36ae1a96 MB |
1265 | |
1266 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1267 | if (!rtd->dev) | |
1268 | return -ENOMEM; | |
1269 | device_initialize(rtd->dev); | |
1270 | rtd->dev->parent = card->dev; | |
1271 | rtd->dev->release = rtd_release; | |
1272 | rtd->dev->init_name = name; | |
1273 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1274 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1275 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1276 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1277 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1278 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1279 | ret = device_add(rtd->dev); |
589c3563 | 1280 | if (ret < 0) { |
865df9cb CL |
1281 | /* calling put_device() here to free the rtd->dev */ |
1282 | put_device(rtd->dev); | |
589c3563 | 1283 | dev_err(card->dev, |
f110bfc7 | 1284 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1285 | return ret; |
1286 | } | |
1287 | rtd->dev_registered = 1; | |
1288 | ||
1289 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1290 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1291 | if (ret < 0) |
1292 | dev_err(codec->dev, | |
f110bfc7 | 1293 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1294 | |
1295 | /* add codec sysfs entries */ | |
36ae1a96 | 1296 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1297 | if (ret < 0) |
1298 | dev_err(codec->dev, | |
f110bfc7 | 1299 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1300 | |
f86dcef8 LG |
1301 | #ifdef CONFIG_DEBUG_FS |
1302 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1303 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1304 | goto out; |
1305 | ||
1306 | ret = soc_dpcm_debugfs_add(rtd); | |
1307 | if (ret < 0) | |
f110bfc7 | 1308 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1309 | |
1310 | out: | |
1311 | #endif | |
589c3563 JN |
1312 | return 0; |
1313 | } | |
1314 | ||
62ae68fa SW |
1315 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1316 | int order) | |
1317 | { | |
1318 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1319 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1320 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1321 | struct snd_soc_platform *platform = rtd->platform; | |
1322 | int ret; | |
1323 | ||
1324 | /* probe the CPU-side component, if it is a CODEC */ | |
1325 | if (cpu_dai->codec && | |
1326 | !cpu_dai->codec->probed && | |
1327 | cpu_dai->codec->driver->probe_order == order) { | |
1328 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1329 | if (ret < 0) | |
1330 | return ret; | |
1331 | } | |
1332 | ||
1333 | /* probe the CODEC-side component */ | |
1334 | if (!codec_dai->codec->probed && | |
1335 | codec_dai->codec->driver->probe_order == order) { | |
1336 | ret = soc_probe_codec(card, codec_dai->codec); | |
1337 | if (ret < 0) | |
1338 | return ret; | |
1339 | } | |
1340 | ||
1341 | /* probe the platform */ | |
1342 | if (!platform->probed && | |
1343 | platform->driver->probe_order == order) { | |
1344 | ret = soc_probe_platform(card, platform); | |
1345 | if (ret < 0) | |
1346 | return ret; | |
1347 | } | |
1348 | ||
1349 | return 0; | |
1350 | } | |
1351 | ||
1352 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) | |
f0fba2ad LG |
1353 | { |
1354 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1355 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1356 | struct snd_soc_codec *codec = rtd->codec; | |
1357 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1358 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1359 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1360 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
f0fba2ad LG |
1361 | int ret; |
1362 | ||
f110bfc7 | 1363 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1364 | card->name, num, order); |
f0fba2ad LG |
1365 | |
1366 | /* config components */ | |
f0fba2ad | 1367 | cpu_dai->platform = platform; |
f0fba2ad LG |
1368 | codec_dai->card = card; |
1369 | cpu_dai->card = card; | |
1370 | ||
1371 | /* set default power off timeout */ | |
1372 | rtd->pmdown_time = pmdown_time; | |
1373 | ||
1374 | /* probe the cpu_dai */ | |
0168bf0d LG |
1375 | if (!cpu_dai->probed && |
1376 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1377 | if (!cpu_dai->codec) { |
1378 | cpu_dai->dapm.card = card; | |
1379 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1380 | return -ENODEV; | |
61b61e3c | 1381 | |
18d75644 | 1382 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe | 1383 | } |
be09ad90 | 1384 | |
f0fba2ad LG |
1385 | if (cpu_dai->driver->probe) { |
1386 | ret = cpu_dai->driver->probe(cpu_dai); | |
1387 | if (ret < 0) { | |
f110bfc7 LG |
1388 | dev_err(cpu_dai->dev, |
1389 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1390 | cpu_dai->name, ret); | |
61b61e3c | 1391 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1392 | return ret; |
1393 | } | |
1394 | } | |
1395 | cpu_dai->probed = 1; | |
1c8371d6 | 1396 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1397 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1398 | } |
1399 | ||
f0fba2ad | 1400 | /* probe the CODEC DAI */ |
0168bf0d | 1401 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { |
f0fba2ad LG |
1402 | if (codec_dai->driver->probe) { |
1403 | ret = codec_dai->driver->probe(codec_dai); | |
fe3e78e0 | 1404 | if (ret < 0) { |
f110bfc7 LG |
1405 | dev_err(codec_dai->dev, |
1406 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1407 | codec_dai->name, ret); | |
f0fba2ad | 1408 | return ret; |
fe3e78e0 MB |
1409 | } |
1410 | } | |
f0fba2ad | 1411 | |
1c8371d6 | 1412 | /* mark codec_dai as probed and add to card dai list */ |
f0fba2ad LG |
1413 | codec_dai->probed = 1; |
1414 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
fe3e78e0 MB |
1415 | } |
1416 | ||
0168bf0d LG |
1417 | /* complete DAI probe during last probe */ |
1418 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1419 | return 0; | |
1420 | ||
589c3563 JN |
1421 | ret = soc_post_component_init(card, codec, num, 0); |
1422 | if (ret) | |
f0fba2ad | 1423 | return ret; |
fe3e78e0 | 1424 | |
36ae1a96 | 1425 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1426 | if (ret < 0) |
f110bfc7 LG |
1427 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1428 | ret); | |
f0fba2ad | 1429 | |
1245b700 NK |
1430 | if (cpu_dai->driver->compress_dai) { |
1431 | /*create compress_device"*/ | |
1432 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1433 | if (ret < 0) { |
f110bfc7 | 1434 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1435 | dai_link->stream_name); |
c74184ed MB |
1436 | return ret; |
1437 | } | |
1438 | } else { | |
1245b700 NK |
1439 | |
1440 | if (!dai_link->params) { | |
1441 | /* create the pcm */ | |
1442 | ret = soc_new_pcm(rtd, num); | |
1443 | if (ret < 0) { | |
f110bfc7 | 1444 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1445 | dai_link->stream_name, ret); |
c74184ed MB |
1446 | return ret; |
1447 | } | |
1245b700 | 1448 | } else { |
9d58a077 RF |
1449 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1450 | codec2codec_close_delayed_work); | |
1451 | ||
1245b700 NK |
1452 | /* link the DAI widgets */ |
1453 | play_w = codec_dai->playback_widget; | |
1454 | capture_w = cpu_dai->capture_widget; | |
1455 | if (play_w && capture_w) { | |
1456 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1457 | capture_w, play_w); | |
1458 | if (ret != 0) { | |
f110bfc7 | 1459 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1460 | play_w->name, capture_w->name, ret); |
1461 | return ret; | |
1462 | } | |
1463 | } | |
c74184ed | 1464 | |
1245b700 NK |
1465 | play_w = cpu_dai->playback_widget; |
1466 | capture_w = codec_dai->capture_widget; | |
1467 | if (play_w && capture_w) { | |
1468 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c74184ed | 1469 | capture_w, play_w); |
1245b700 | 1470 | if (ret != 0) { |
f110bfc7 | 1471 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1472 | play_w->name, capture_w->name, ret); |
1473 | return ret; | |
1474 | } | |
c74184ed MB |
1475 | } |
1476 | } | |
f0fba2ad LG |
1477 | } |
1478 | ||
1479 | /* add platform data for AC97 devices */ | |
1480 | if (rtd->codec_dai->driver->ac97_control) | |
1481 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1482 | ||
1483 | return 0; | |
1484 | } | |
1485 | ||
fe3e78e0 | 1486 | #ifdef CONFIG_SND_SOC_AC97_BUS |
f0fba2ad LG |
1487 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1488 | { | |
1489 | int ret; | |
1490 | ||
fe3e78e0 MB |
1491 | /* Only instantiate AC97 if not already done by the adaptor |
1492 | * for the generic AC97 subsystem. | |
1493 | */ | |
f0fba2ad | 1494 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
0562f788 MW |
1495 | /* |
1496 | * It is possible that the AC97 device is already registered to | |
1497 | * the device subsystem. This happens when the device is created | |
1498 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1499 | * is the generic AC97 glue but others migh emerge. | |
1500 | * | |
1501 | * In those cases we don't try to register the device again. | |
1502 | */ | |
1503 | if (!rtd->codec->ac97_created) | |
1504 | return 0; | |
f0fba2ad LG |
1505 | |
1506 | ret = soc_ac97_dev_register(rtd->codec); | |
fe3e78e0 | 1507 | if (ret < 0) { |
f110bfc7 LG |
1508 | dev_err(rtd->codec->dev, |
1509 | "ASoC: AC97 device register failed: %d\n", ret); | |
f0fba2ad | 1510 | return ret; |
fe3e78e0 | 1511 | } |
f0fba2ad LG |
1512 | |
1513 | rtd->codec->ac97_registered = 1; | |
fe3e78e0 | 1514 | } |
f0fba2ad LG |
1515 | return 0; |
1516 | } | |
1517 | ||
1518 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) | |
1519 | { | |
1520 | if (codec->ac97_registered) { | |
1521 | soc_ac97_dev_unregister(codec); | |
1522 | codec->ac97_registered = 0; | |
1523 | } | |
1524 | } | |
fe3e78e0 MB |
1525 | #endif |
1526 | ||
b19e6e7b MB |
1527 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1528 | { | |
1529 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1530 | struct snd_soc_codec *codec; | |
1531 | ||
1532 | /* find CODEC from registered CODECs*/ | |
1533 | list_for_each_entry(codec, &codec_list, list) { | |
1534 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1535 | return 0; | |
1536 | } | |
1537 | ||
f110bfc7 | 1538 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1539 | |
b19e6e7b MB |
1540 | return -EPROBE_DEFER; |
1541 | } | |
1542 | ||
2eea392d JN |
1543 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1544 | { | |
1545 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1546 | struct snd_soc_codec *codec; |
676ad98a | 1547 | int ret = -ENODEV; |
2eea392d JN |
1548 | |
1549 | /* find CODEC from registered CODECs*/ | |
1550 | list_for_each_entry(codec, &codec_list, list) { | |
1551 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1552 | if (codec->probed) { | |
1553 | dev_err(codec->dev, | |
f110bfc7 | 1554 | "ASoC: codec already probed"); |
2eea392d JN |
1555 | ret = -EBUSY; |
1556 | goto out; | |
1557 | } | |
676ad98a | 1558 | goto found; |
2eea392d JN |
1559 | } |
1560 | } | |
676ad98a | 1561 | /* codec not found */ |
f110bfc7 | 1562 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1563 | return -EPROBE_DEFER; |
2eea392d | 1564 | |
676ad98a | 1565 | found: |
589c3563 | 1566 | ret = soc_probe_codec(card, codec); |
2eea392d | 1567 | if (ret < 0) |
589c3563 | 1568 | return ret; |
2eea392d | 1569 | |
589c3563 | 1570 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1571 | |
1572 | out: | |
1573 | return ret; | |
1574 | } | |
1575 | ||
1576 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1577 | { | |
1578 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1579 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1580 | |
1581 | /* unregister the rtd device */ | |
1582 | if (rtd->dev_registered) { | |
36ae1a96 | 1583 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1584 | device_unregister(rtd->dev); |
2eea392d JN |
1585 | rtd->dev_registered = 0; |
1586 | } | |
1587 | ||
589c3563 JN |
1588 | if (codec && codec->probed) |
1589 | soc_remove_codec(codec); | |
2eea392d JN |
1590 | } |
1591 | ||
fdf0f54d DP |
1592 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
1593 | enum snd_soc_compress_type compress_type) | |
1594 | { | |
1595 | int ret; | |
1596 | ||
1597 | if (codec->cache_init) | |
1598 | return 0; | |
1599 | ||
1600 | /* override the compress_type if necessary */ | |
1601 | if (compress_type && codec->compress_type != compress_type) | |
1602 | codec->compress_type = compress_type; | |
fdf0f54d DP |
1603 | ret = snd_soc_cache_init(codec); |
1604 | if (ret < 0) { | |
10e8aa9a MM |
1605 | dev_err(codec->dev, |
1606 | "ASoC: Failed to set cache compression type: %d\n", | |
1607 | ret); | |
fdf0f54d DP |
1608 | return ret; |
1609 | } | |
1610 | codec->cache_init = 1; | |
1611 | return 0; | |
1612 | } | |
1613 | ||
b19e6e7b | 1614 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1615 | { |
fdf0f54d DP |
1616 | struct snd_soc_codec *codec; |
1617 | struct snd_soc_codec_conf *codec_conf; | |
1618 | enum snd_soc_compress_type compress_type; | |
75d9ac46 | 1619 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1620 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1621 | |
01b9d99a | 1622 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1623 | |
f0fba2ad | 1624 | /* bind DAIs */ |
b19e6e7b MB |
1625 | for (i = 0; i < card->num_links; i++) { |
1626 | ret = soc_bind_dai_link(card, i); | |
1627 | if (ret != 0) | |
1628 | goto base_error; | |
1629 | } | |
fe3e78e0 | 1630 | |
b19e6e7b MB |
1631 | /* check aux_devs too */ |
1632 | for (i = 0; i < card->num_aux_devs; i++) { | |
1633 | ret = soc_check_aux_dev(card, i); | |
1634 | if (ret != 0) | |
1635 | goto base_error; | |
f0fba2ad | 1636 | } |
435c5e25 | 1637 | |
fdf0f54d DP |
1638 | /* initialize the register cache for each available codec */ |
1639 | list_for_each_entry(codec, &codec_list, list) { | |
1640 | if (codec->cache_init) | |
1641 | continue; | |
861f2faf DP |
1642 | /* by default we don't override the compress_type */ |
1643 | compress_type = 0; | |
fdf0f54d DP |
1644 | /* check to see if we need to override the compress_type */ |
1645 | for (i = 0; i < card->num_configs; ++i) { | |
1646 | codec_conf = &card->codec_conf[i]; | |
1647 | if (!strcmp(codec->name, codec_conf->dev_name)) { | |
1648 | compress_type = codec_conf->compress_type; | |
1649 | if (compress_type && compress_type | |
1650 | != codec->compress_type) | |
1651 | break; | |
1652 | } | |
1653 | } | |
fdf0f54d | 1654 | ret = snd_soc_init_codec_cache(codec, compress_type); |
b19e6e7b MB |
1655 | if (ret < 0) |
1656 | goto base_error; | |
fdf0f54d DP |
1657 | } |
1658 | ||
f0fba2ad LG |
1659 | /* card bind complete so register a sound card */ |
1660 | ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, | |
1661 | card->owner, 0, &card->snd_card); | |
1662 | if (ret < 0) { | |
10e8aa9a MM |
1663 | dev_err(card->dev, |
1664 | "ASoC: can't create sound card for card %s: %d\n", | |
1665 | card->name, ret); | |
b19e6e7b | 1666 | goto base_error; |
f0fba2ad LG |
1667 | } |
1668 | card->snd_card->dev = card->dev; | |
1669 | ||
e37a4970 MB |
1670 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1671 | card->dapm.dev = card->dev; | |
1672 | card->dapm.card = card; | |
1673 | list_add(&card->dapm.list, &card->dapm_list); | |
1674 | ||
d5d1e0be LPC |
1675 | #ifdef CONFIG_DEBUG_FS |
1676 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1677 | #endif | |
1678 | ||
88ee1c61 | 1679 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1680 | /* deferred resume work */ |
1681 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1682 | #endif | |
db2a4165 | 1683 | |
9a841ebb MB |
1684 | if (card->dapm_widgets) |
1685 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1686 | card->num_dapm_widgets); | |
1687 | ||
f0fba2ad LG |
1688 | /* initialise the sound card only once */ |
1689 | if (card->probe) { | |
e7361ec4 | 1690 | ret = card->probe(card); |
f0fba2ad LG |
1691 | if (ret < 0) |
1692 | goto card_probe_error; | |
1693 | } | |
fe3e78e0 | 1694 | |
62ae68fa | 1695 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
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++) { | |
62ae68fa | 1699 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1700 | if (ret < 0) { |
f110bfc7 LG |
1701 | dev_err(card->dev, |
1702 | "ASoC: failed to instantiate card %d\n", | |
1703 | ret); | |
62ae68fa SW |
1704 | goto probe_dai_err; |
1705 | } | |
1706 | } | |
1707 | } | |
1708 | ||
1709 | /* probe all DAI links on this card */ | |
1710 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1711 | order++) { | |
1712 | for (i = 0; i < card->num_links; i++) { | |
1713 | ret = soc_probe_link_dais(card, i, order); | |
1714 | if (ret < 0) { | |
f110bfc7 LG |
1715 | dev_err(card->dev, |
1716 | "ASoC: failed to instantiate card %d\n", | |
1717 | ret); | |
0168bf0d LG |
1718 | goto probe_dai_err; |
1719 | } | |
f0fba2ad LG |
1720 | } |
1721 | } | |
db2a4165 | 1722 | |
2eea392d JN |
1723 | for (i = 0; i < card->num_aux_devs; i++) { |
1724 | ret = soc_probe_aux_dev(card, i); | |
1725 | if (ret < 0) { | |
f110bfc7 LG |
1726 | dev_err(card->dev, |
1727 | "ASoC: failed to add auxiliary devices %d\n", | |
1728 | ret); | |
2eea392d JN |
1729 | goto probe_aux_dev_err; |
1730 | } | |
1731 | } | |
1732 | ||
888df395 MB |
1733 | snd_soc_dapm_link_dai_widgets(card); |
1734 | ||
b7af1daf | 1735 | if (card->controls) |
022658be | 1736 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1737 | |
b8ad29de MB |
1738 | if (card->dapm_routes) |
1739 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1740 | card->num_dapm_routes); | |
1741 | ||
75d9ac46 MB |
1742 | for (i = 0; i < card->num_links; i++) { |
1743 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1744 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1745 | |
f04209a7 | 1746 | if (dai_fmt) { |
75d9ac46 | 1747 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1748 | dai_fmt); |
5e4ba569 | 1749 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1750 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1751 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1752 | ret); |
f04209a7 MB |
1753 | } |
1754 | ||
1755 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1756 | if (dai_fmt && |
1757 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1758 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1759 | dai_fmt); | |
1760 | if (ret != 0 && ret != -ENOTSUPP) | |
1761 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1762 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1763 | ret); |
1764 | } else if (dai_fmt) { | |
1765 | /* Flip the polarity for the "CPU" end */ | |
1766 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1767 | switch (dai_link->dai_fmt & | |
1768 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1769 | case SND_SOC_DAIFMT_CBM_CFM: | |
1770 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1771 | break; | |
1772 | case SND_SOC_DAIFMT_CBM_CFS: | |
1773 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1774 | break; | |
1775 | case SND_SOC_DAIFMT_CBS_CFM: | |
1776 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1777 | break; | |
1778 | case SND_SOC_DAIFMT_CBS_CFS: | |
1779 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1780 | break; | |
1781 | } | |
75d9ac46 MB |
1782 | |
1783 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1784 | dai_fmt); |
5e4ba569 | 1785 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1786 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1787 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1788 | ret); |
1789 | } | |
1790 | } | |
1791 | ||
f0fba2ad | 1792 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1793 | "%s", card->name); |
22de71ba LG |
1794 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1795 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1796 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1797 | "%s", card->driver_name ? card->driver_name : card->name); | |
1798 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1799 | switch (card->snd_card->driver[i]) { | |
1800 | case '_': | |
1801 | case '-': | |
1802 | case '\0': | |
1803 | break; | |
1804 | default: | |
1805 | if (!isalnum(card->snd_card->driver[i])) | |
1806 | card->snd_card->driver[i] = '_'; | |
1807 | break; | |
1808 | } | |
1809 | } | |
f0fba2ad | 1810 | |
28e9ad92 MB |
1811 | if (card->late_probe) { |
1812 | ret = card->late_probe(card); | |
1813 | if (ret < 0) { | |
f110bfc7 | 1814 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1815 | card->name, ret); |
1816 | goto probe_aux_dev_err; | |
1817 | } | |
1818 | } | |
1819 | ||
1633281b | 1820 | if (card->fully_routed) |
b05d8dc1 | 1821 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1822 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1823 | ||
824ef826 | 1824 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1825 | |
f0fba2ad LG |
1826 | ret = snd_card_register(card->snd_card); |
1827 | if (ret < 0) { | |
f110bfc7 LG |
1828 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1829 | ret); | |
6b3ed785 | 1830 | goto probe_aux_dev_err; |
db2a4165 FM |
1831 | } |
1832 | ||
f0fba2ad LG |
1833 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1834 | /* register any AC97 codecs */ | |
1835 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1836 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1837 | if (ret < 0) { | |
10e8aa9a MM |
1838 | dev_err(card->dev, |
1839 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1840 | while (--i >= 0) |
7d8316df | 1841 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
6b3ed785 | 1842 | goto probe_aux_dev_err; |
f0fba2ad | 1843 | } |
6b3ed785 | 1844 | } |
f0fba2ad LG |
1845 | #endif |
1846 | ||
1847 | card->instantiated = 1; | |
4f4c0072 | 1848 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1849 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1850 | |
1851 | return 0; | |
f0fba2ad | 1852 | |
2eea392d JN |
1853 | probe_aux_dev_err: |
1854 | for (i = 0; i < card->num_aux_devs; i++) | |
1855 | soc_remove_aux_dev(card, i); | |
1856 | ||
f0fba2ad | 1857 | probe_dai_err: |
0671fd8e | 1858 | soc_remove_dai_links(card); |
f0fba2ad LG |
1859 | |
1860 | card_probe_error: | |
87506549 | 1861 | if (card->remove) |
e7361ec4 | 1862 | card->remove(card); |
f0fba2ad LG |
1863 | |
1864 | snd_card_free(card->snd_card); | |
1865 | ||
b19e6e7b | 1866 | base_error: |
f0fba2ad | 1867 | mutex_unlock(&card->mutex); |
db2a4165 | 1868 | |
b19e6e7b | 1869 | return ret; |
435c5e25 MB |
1870 | } |
1871 | ||
1872 | /* probes a new socdev */ | |
1873 | static int soc_probe(struct platform_device *pdev) | |
1874 | { | |
f0fba2ad | 1875 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1876 | |
70a7ca34 VK |
1877 | /* |
1878 | * no card, so machine driver should be registering card | |
1879 | * we should not be here in that case so ret error | |
1880 | */ | |
1881 | if (!card) | |
1882 | return -EINVAL; | |
1883 | ||
fe4085e8 | 1884 | dev_warn(&pdev->dev, |
f110bfc7 | 1885 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1886 | card->name); |
1887 | ||
435c5e25 MB |
1888 | /* Bodge while we unpick instantiation */ |
1889 | card->dev = &pdev->dev; | |
f0fba2ad | 1890 | |
28d528c8 | 1891 | return snd_soc_register_card(card); |
db2a4165 FM |
1892 | } |
1893 | ||
b0e26485 | 1894 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1895 | { |
1896 | int i; | |
db2a4165 | 1897 | |
b0e26485 VK |
1898 | /* make sure any delayed work runs */ |
1899 | for (i = 0; i < card->num_rtd; i++) { | |
1900 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1901 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1902 | } |
914dc182 | 1903 | |
b0e26485 VK |
1904 | /* remove auxiliary devices */ |
1905 | for (i = 0; i < card->num_aux_devs; i++) | |
1906 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1907 | |
b0e26485 | 1908 | /* remove and free each DAI */ |
0671fd8e | 1909 | soc_remove_dai_links(card); |
2eea392d | 1910 | |
b0e26485 | 1911 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1912 | |
b0e26485 VK |
1913 | /* remove the card */ |
1914 | if (card->remove) | |
e7361ec4 | 1915 | card->remove(card); |
a6052154 | 1916 | |
0aaae527 LPC |
1917 | snd_soc_dapm_free(&card->dapm); |
1918 | ||
b0e26485 VK |
1919 | snd_card_free(card->snd_card); |
1920 | return 0; | |
1921 | ||
1922 | } | |
1923 | ||
1924 | /* removes a socdev */ | |
1925 | static int soc_remove(struct platform_device *pdev) | |
1926 | { | |
1927 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1928 | |
c5af3a2e | 1929 | snd_soc_unregister_card(card); |
db2a4165 FM |
1930 | return 0; |
1931 | } | |
1932 | ||
6f8ab4ac | 1933 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1934 | { |
6f8ab4ac | 1935 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1936 | int i; |
51737470 MB |
1937 | |
1938 | if (!card->instantiated) | |
416356fc | 1939 | return 0; |
51737470 MB |
1940 | |
1941 | /* Flush out pmdown_time work - we actually do want to run it | |
1942 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1943 | for (i = 0; i < card->num_rtd; i++) { |
1944 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1945 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1946 | } |
51737470 | 1947 | |
f0fba2ad | 1948 | snd_soc_dapm_shutdown(card); |
416356fc MB |
1949 | |
1950 | return 0; | |
51737470 | 1951 | } |
6f8ab4ac | 1952 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1953 | |
6f8ab4ac | 1954 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1955 | .suspend = snd_soc_suspend, |
1956 | .resume = snd_soc_resume, | |
1957 | .freeze = snd_soc_suspend, | |
1958 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1959 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1960 | .restore = snd_soc_resume, |
416356fc | 1961 | }; |
deb2607e | 1962 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1963 | |
db2a4165 FM |
1964 | /* ASoC platform driver */ |
1965 | static struct platform_driver soc_driver = { | |
1966 | .driver = { | |
1967 | .name = "soc-audio", | |
8b45a209 | 1968 | .owner = THIS_MODULE, |
6f8ab4ac | 1969 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1970 | }, |
1971 | .probe = soc_probe, | |
1972 | .remove = soc_remove, | |
db2a4165 FM |
1973 | }; |
1974 | ||
096e49d5 MB |
1975 | /** |
1976 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
1977 | * | |
1978 | * @codec: CODEC to query. | |
1979 | * @reg: Register to query. | |
1980 | * | |
1981 | * Boolean function indiciating if a CODEC register is volatile. | |
1982 | */ | |
181e055e MB |
1983 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
1984 | unsigned int reg) | |
096e49d5 | 1985 | { |
1500b7b5 DP |
1986 | if (codec->volatile_register) |
1987 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
1988 | else |
1989 | return 0; | |
1990 | } | |
1991 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
1992 | ||
239c9706 DP |
1993 | /** |
1994 | * snd_soc_codec_readable_register: Report if a register is readable. | |
1995 | * | |
1996 | * @codec: CODEC to query. | |
1997 | * @reg: Register to query. | |
1998 | * | |
1999 | * Boolean function indicating if a CODEC register is readable. | |
2000 | */ | |
2001 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
2002 | unsigned int reg) | |
2003 | { | |
2004 | if (codec->readable_register) | |
2005 | return codec->readable_register(codec, reg); | |
2006 | else | |
63fa0a28 | 2007 | return 1; |
239c9706 DP |
2008 | } |
2009 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
2010 | ||
2011 | /** | |
2012 | * snd_soc_codec_writable_register: Report if a register is writable. | |
2013 | * | |
2014 | * @codec: CODEC to query. | |
2015 | * @reg: Register to query. | |
2016 | * | |
2017 | * Boolean function indicating if a CODEC register is writable. | |
2018 | */ | |
2019 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
2020 | unsigned int reg) | |
2021 | { | |
2022 | if (codec->writable_register) | |
2023 | return codec->writable_register(codec, reg); | |
2024 | else | |
63fa0a28 | 2025 | return 1; |
239c9706 DP |
2026 | } |
2027 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2028 | ||
f1442bc1 LG |
2029 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2030 | unsigned int reg) | |
2031 | { | |
2032 | unsigned int ret; | |
2033 | ||
2034 | if (!platform->driver->read) { | |
f110bfc7 | 2035 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2036 | return -1; |
2037 | } | |
2038 | ||
2039 | ret = platform->driver->read(platform, reg); | |
2040 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2041 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2042 | |
2043 | return ret; | |
2044 | } | |
2045 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2046 | ||
2047 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2048 | unsigned int reg, unsigned int val) | |
2049 | { | |
2050 | if (!platform->driver->write) { | |
f110bfc7 | 2051 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2052 | return -1; |
2053 | } | |
2054 | ||
2055 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2056 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2057 | return platform->driver->write(platform, reg, val); |
2058 | } | |
2059 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2060 | ||
db2a4165 FM |
2061 | /** |
2062 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2063 | * @codec: audio codec | |
2064 | * @ops: AC97 bus operations | |
2065 | * @num: AC97 codec number | |
2066 | * | |
2067 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2068 | */ | |
2069 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2070 | struct snd_ac97_bus_ops *ops, int num) | |
2071 | { | |
2072 | mutex_lock(&codec->mutex); | |
2073 | ||
2074 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2075 | if (codec->ac97 == NULL) { | |
2076 | mutex_unlock(&codec->mutex); | |
2077 | return -ENOMEM; | |
2078 | } | |
2079 | ||
2080 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2081 | if (codec->ac97->bus == NULL) { | |
2082 | kfree(codec->ac97); | |
2083 | codec->ac97 = NULL; | |
2084 | mutex_unlock(&codec->mutex); | |
2085 | return -ENOMEM; | |
2086 | } | |
2087 | ||
2088 | codec->ac97->bus->ops = ops; | |
2089 | codec->ac97->num = num; | |
0562f788 MW |
2090 | |
2091 | /* | |
2092 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2093 | * device will be registered with the device subsystem later on. | |
2094 | */ | |
2095 | codec->ac97_created = 1; | |
2096 | ||
db2a4165 FM |
2097 | mutex_unlock(&codec->mutex); |
2098 | return 0; | |
2099 | } | |
2100 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2101 | ||
741a509f MP |
2102 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2103 | ||
2104 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2105 | { | |
2106 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2107 | ||
2108 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2109 | ||
2110 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2111 | ||
2112 | udelay(10); | |
2113 | ||
2114 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2115 | ||
2116 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2117 | msleep(2); | |
2118 | } | |
2119 | ||
2120 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2121 | { | |
2122 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2123 | ||
2124 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2125 | ||
2126 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2127 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2128 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2129 | ||
2130 | udelay(10); | |
2131 | ||
2132 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2133 | ||
2134 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2135 | msleep(2); | |
2136 | } | |
2137 | ||
2138 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2139 | struct snd_ac97_reset_cfg *cfg) | |
2140 | { | |
2141 | struct pinctrl *p; | |
2142 | struct pinctrl_state *state; | |
2143 | int gpio; | |
2144 | int ret; | |
2145 | ||
2146 | p = devm_pinctrl_get(dev); | |
2147 | if (IS_ERR(p)) { | |
2148 | dev_err(dev, "Failed to get pinctrl\n"); | |
2149 | return PTR_RET(p); | |
2150 | } | |
2151 | cfg->pctl = p; | |
2152 | ||
2153 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2154 | if (IS_ERR(state)) { | |
2155 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
2156 | return PTR_RET(state); | |
2157 | } | |
2158 | cfg->pstate_reset = state; | |
2159 | ||
2160 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2161 | if (IS_ERR(state)) { | |
2162 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
2163 | return PTR_RET(state); | |
2164 | } | |
2165 | cfg->pstate_warm_reset = state; | |
2166 | ||
2167 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2168 | if (IS_ERR(state)) { | |
2169 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
2170 | return PTR_RET(state); | |
2171 | } | |
2172 | cfg->pstate_run = state; | |
2173 | ||
2174 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2175 | if (gpio < 0) { | |
2176 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2177 | return gpio; | |
2178 | } | |
2179 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2180 | if (ret) { | |
2181 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2182 | return ret; | |
2183 | } | |
2184 | cfg->gpio_sync = gpio; | |
2185 | ||
2186 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2187 | if (gpio < 0) { | |
2188 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2189 | return gpio; | |
2190 | } | |
2191 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2192 | if (ret) { | |
2193 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2194 | return ret; | |
2195 | } | |
2196 | cfg->gpio_sdata = gpio; | |
2197 | ||
2198 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2199 | if (gpio < 0) { | |
2200 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2201 | return gpio; | |
2202 | } | |
2203 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2204 | if (ret) { | |
2205 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2206 | return ret; | |
2207 | } | |
2208 | cfg->gpio_reset = gpio; | |
2209 | ||
2210 | return 0; | |
2211 | } | |
2212 | ||
b047e1cc | 2213 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2214 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2215 | |
2216 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2217 | { | |
2218 | if (ops == soc_ac97_ops) | |
2219 | return 0; | |
2220 | ||
2221 | if (soc_ac97_ops && ops) | |
2222 | return -EBUSY; | |
2223 | ||
2224 | soc_ac97_ops = ops; | |
2225 | ||
2226 | return 0; | |
2227 | } | |
2228 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2229 | ||
741a509f MP |
2230 | /** |
2231 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2232 | * | |
2233 | * This function sets the reset and warm_reset properties of ops and parses | |
2234 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2235 | */ | |
2236 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2237 | struct platform_device *pdev) | |
2238 | { | |
2239 | struct device *dev = &pdev->dev; | |
2240 | struct snd_ac97_reset_cfg cfg; | |
2241 | int ret; | |
2242 | ||
2243 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2244 | if (ret) | |
2245 | return ret; | |
2246 | ||
2247 | ret = snd_soc_set_ac97_ops(ops); | |
2248 | if (ret) | |
2249 | return ret; | |
2250 | ||
2251 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2252 | ops->reset = snd_soc_ac97_reset; | |
2253 | ||
2254 | snd_ac97_rst_cfg = cfg; | |
2255 | return 0; | |
2256 | } | |
2257 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2258 | ||
db2a4165 FM |
2259 | /** |
2260 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2261 | * @codec: audio codec | |
2262 | * | |
2263 | * Frees AC97 codec device resources. | |
2264 | */ | |
2265 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2266 | { | |
2267 | mutex_lock(&codec->mutex); | |
f0fba2ad LG |
2268 | #ifdef CONFIG_SND_SOC_AC97_BUS |
2269 | soc_unregister_ac97_dai_link(codec); | |
2270 | #endif | |
db2a4165 FM |
2271 | kfree(codec->ac97->bus); |
2272 | kfree(codec->ac97); | |
2273 | codec->ac97 = NULL; | |
0562f788 | 2274 | codec->ac97_created = 0; |
db2a4165 FM |
2275 | mutex_unlock(&codec->mutex); |
2276 | } | |
2277 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2278 | ||
c3753707 MB |
2279 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2280 | { | |
2281 | unsigned int ret; | |
2282 | ||
c3acec26 | 2283 | ret = codec->read(codec, reg); |
c3753707 | 2284 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
a8b1d34f | 2285 | trace_snd_soc_reg_read(codec, reg, ret); |
c3753707 MB |
2286 | |
2287 | return ret; | |
2288 | } | |
2289 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2290 | ||
2291 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2292 | unsigned int reg, unsigned int val) | |
2293 | { | |
2294 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
a8b1d34f | 2295 | trace_snd_soc_reg_write(codec, reg, val); |
c3acec26 | 2296 | return codec->write(codec, reg, val); |
c3753707 MB |
2297 | } |
2298 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2299 | ||
5fb609d4 DP |
2300 | unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, |
2301 | unsigned int reg, const void *data, size_t len) | |
2302 | { | |
2303 | return codec->bulk_write_raw(codec, reg, data, len); | |
2304 | } | |
2305 | EXPORT_SYMBOL_GPL(snd_soc_bulk_write_raw); | |
2306 | ||
db2a4165 FM |
2307 | /** |
2308 | * snd_soc_update_bits - update codec register bits | |
2309 | * @codec: audio codec | |
2310 | * @reg: codec register | |
2311 | * @mask: register mask | |
2312 | * @value: new value | |
2313 | * | |
2314 | * Writes new register value. | |
2315 | * | |
180c329d | 2316 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2317 | */ |
2318 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2319 | unsigned int mask, unsigned int value) |
db2a4165 | 2320 | { |
8a713da8 | 2321 | bool change; |
46f5822f | 2322 | unsigned int old, new; |
180c329d TT |
2323 | int ret; |
2324 | ||
8a713da8 MB |
2325 | if (codec->using_regmap) { |
2326 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2327 | mask, value, &change); | |
2328 | } else { | |
2329 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2330 | if (ret < 0) |
2331 | return ret; | |
8a713da8 MB |
2332 | |
2333 | old = ret; | |
2334 | new = (old & ~mask) | (value & mask); | |
2335 | change = old != new; | |
2336 | if (change) | |
2337 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2338 | } |
db2a4165 | 2339 | |
8a713da8 MB |
2340 | if (ret < 0) |
2341 | return ret; | |
2342 | ||
db2a4165 FM |
2343 | return change; |
2344 | } | |
2345 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2346 | ||
6c508c62 EN |
2347 | /** |
2348 | * snd_soc_update_bits_locked - update codec register bits | |
2349 | * @codec: audio codec | |
2350 | * @reg: codec register | |
2351 | * @mask: register mask | |
2352 | * @value: new value | |
2353 | * | |
2354 | * Writes new register value, and takes the codec mutex. | |
2355 | * | |
2356 | * Returns 1 for change else 0. | |
2357 | */ | |
dd1b3d53 MB |
2358 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2359 | unsigned short reg, unsigned int mask, | |
2360 | unsigned int value) | |
6c508c62 EN |
2361 | { |
2362 | int change; | |
2363 | ||
2364 | mutex_lock(&codec->mutex); | |
2365 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2366 | mutex_unlock(&codec->mutex); | |
2367 | ||
2368 | return change; | |
2369 | } | |
dd1b3d53 | 2370 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2371 | |
db2a4165 FM |
2372 | /** |
2373 | * snd_soc_test_bits - test register for change | |
2374 | * @codec: audio codec | |
2375 | * @reg: codec register | |
2376 | * @mask: register mask | |
2377 | * @value: new value | |
2378 | * | |
2379 | * Tests a register with a new value and checks if the new value is | |
2380 | * different from the old value. | |
2381 | * | |
2382 | * Returns 1 for change else 0. | |
2383 | */ | |
2384 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2385 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2386 | { |
2387 | int change; | |
46f5822f | 2388 | unsigned int old, new; |
db2a4165 | 2389 | |
db2a4165 FM |
2390 | old = snd_soc_read(codec, reg); |
2391 | new = (old & ~mask) | value; | |
2392 | change = old != new; | |
db2a4165 FM |
2393 | |
2394 | return change; | |
2395 | } | |
2396 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2397 | ||
db2a4165 FM |
2398 | /** |
2399 | * snd_soc_cnew - create new control | |
2400 | * @_template: control template | |
2401 | * @data: control private data | |
ac11a2b3 | 2402 | * @long_name: control long name |
efb7ac3f | 2403 | * @prefix: control name prefix |
db2a4165 FM |
2404 | * |
2405 | * Create a new mixer control from a template control. | |
2406 | * | |
2407 | * Returns 0 for success, else error. | |
2408 | */ | |
2409 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2410 | void *data, const char *long_name, |
efb7ac3f | 2411 | const char *prefix) |
db2a4165 FM |
2412 | { |
2413 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2414 | struct snd_kcontrol *kcontrol; |
2415 | char *name = NULL; | |
db2a4165 FM |
2416 | |
2417 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2418 | template.index = 0; |
2419 | ||
efb7ac3f MB |
2420 | if (!long_name) |
2421 | long_name = template.name; | |
2422 | ||
2423 | if (prefix) { | |
2b581074 | 2424 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2425 | if (!name) |
2426 | return NULL; | |
2427 | ||
efb7ac3f MB |
2428 | template.name = name; |
2429 | } else { | |
2430 | template.name = long_name; | |
2431 | } | |
2432 | ||
2433 | kcontrol = snd_ctl_new1(&template, data); | |
2434 | ||
2435 | kfree(name); | |
2436 | ||
2437 | return kcontrol; | |
db2a4165 FM |
2438 | } |
2439 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2440 | ||
022658be LG |
2441 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2442 | const struct snd_kcontrol_new *controls, int num_controls, | |
2443 | const char *prefix, void *data) | |
2444 | { | |
2445 | int err, i; | |
2446 | ||
2447 | for (i = 0; i < num_controls; i++) { | |
2448 | const struct snd_kcontrol_new *control = &controls[i]; | |
2449 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2450 | control->name, prefix)); | |
2451 | if (err < 0) { | |
f110bfc7 LG |
2452 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2453 | control->name, err); | |
022658be LG |
2454 | return err; |
2455 | } | |
2456 | } | |
2457 | ||
2458 | return 0; | |
2459 | } | |
2460 | ||
4fefd698 DP |
2461 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2462 | const char *name) | |
2463 | { | |
2464 | struct snd_card *card = soc_card->snd_card; | |
2465 | struct snd_kcontrol *kctl; | |
2466 | ||
2467 | if (unlikely(!name)) | |
2468 | return NULL; | |
2469 | ||
2470 | list_for_each_entry(kctl, &card->controls, list) | |
2471 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2472 | return kctl; | |
2473 | return NULL; | |
2474 | } | |
2475 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2476 | ||
3e8e1952 | 2477 | /** |
022658be LG |
2478 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2479 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2480 | * duplicating this code. |
2481 | * | |
2482 | * @codec: codec to add controls to | |
2483 | * @controls: array of controls to add | |
2484 | * @num_controls: number of elements in the array | |
2485 | * | |
2486 | * Return 0 for success, else error. | |
2487 | */ | |
022658be | 2488 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2489 | const struct snd_kcontrol_new *controls, int num_controls) |
2490 | { | |
f0fba2ad | 2491 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2492 | |
022658be LG |
2493 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2494 | codec->name_prefix, codec); | |
3e8e1952 | 2495 | } |
022658be | 2496 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2497 | |
a491a5c8 LG |
2498 | /** |
2499 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2500 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2501 | * |
2502 | * @platform: platform to add controls to | |
2503 | * @controls: array of controls to add | |
2504 | * @num_controls: number of elements in the array | |
2505 | * | |
2506 | * Return 0 for success, else error. | |
2507 | */ | |
2508 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2509 | const struct snd_kcontrol_new *controls, int num_controls) | |
2510 | { | |
2511 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2512 | |
022658be LG |
2513 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2514 | NULL, platform); | |
a491a5c8 LG |
2515 | } |
2516 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2517 | ||
022658be LG |
2518 | /** |
2519 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2520 | * Convenience function to add a list of controls. | |
2521 | * | |
2522 | * @soc_card: SoC card to add controls to | |
2523 | * @controls: array of controls to add | |
2524 | * @num_controls: number of elements in the array | |
2525 | * | |
2526 | * Return 0 for success, else error. | |
2527 | */ | |
2528 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2529 | const struct snd_kcontrol_new *controls, int num_controls) | |
2530 | { | |
2531 | struct snd_card *card = soc_card->snd_card; | |
2532 | ||
2533 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2534 | NULL, soc_card); | |
2535 | } | |
2536 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2537 | ||
2538 | /** | |
2539 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2540 | * Convienience function to add a list of controls. | |
2541 | * | |
2542 | * @dai: DAI to add controls to | |
2543 | * @controls: array of controls to add | |
2544 | * @num_controls: number of elements in the array | |
2545 | * | |
2546 | * Return 0 for success, else error. | |
2547 | */ | |
2548 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2549 | const struct snd_kcontrol_new *controls, int num_controls) | |
2550 | { | |
2551 | struct snd_card *card = dai->card->snd_card; | |
2552 | ||
2553 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2554 | NULL, dai); | |
2555 | } | |
2556 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2557 | ||
db2a4165 FM |
2558 | /** |
2559 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2560 | * @kcontrol: mixer control | |
2561 | * @uinfo: control element information | |
2562 | * | |
2563 | * Callback to provide information about a double enumerated | |
2564 | * mixer control. | |
2565 | * | |
2566 | * Returns 0 for success. | |
2567 | */ | |
2568 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2569 | struct snd_ctl_elem_info *uinfo) | |
2570 | { | |
2571 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2572 | ||
2573 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2574 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
f8ba0b7b | 2575 | uinfo->value.enumerated.items = e->max; |
db2a4165 | 2576 | |
f8ba0b7b JS |
2577 | if (uinfo->value.enumerated.item > e->max - 1) |
2578 | uinfo->value.enumerated.item = e->max - 1; | |
db2a4165 FM |
2579 | strcpy(uinfo->value.enumerated.name, |
2580 | e->texts[uinfo->value.enumerated.item]); | |
2581 | return 0; | |
2582 | } | |
2583 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2584 | ||
2585 | /** | |
2586 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2587 | * @kcontrol: mixer control | |
ac11a2b3 | 2588 | * @ucontrol: control element information |
db2a4165 FM |
2589 | * |
2590 | * Callback to get the value of a double enumerated mixer. | |
2591 | * | |
2592 | * Returns 0 for success. | |
2593 | */ | |
2594 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2595 | struct snd_ctl_elem_value *ucontrol) | |
2596 | { | |
2597 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2598 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
86767b7d | 2599 | unsigned int val; |
db2a4165 | 2600 | |
db2a4165 | 2601 | val = snd_soc_read(codec, e->reg); |
3ff3f64b | 2602 | ucontrol->value.enumerated.item[0] |
86767b7d | 2603 | = (val >> e->shift_l) & e->mask; |
db2a4165 FM |
2604 | if (e->shift_l != e->shift_r) |
2605 | ucontrol->value.enumerated.item[1] = | |
86767b7d | 2606 | (val >> e->shift_r) & e->mask; |
db2a4165 FM |
2607 | |
2608 | return 0; | |
2609 | } | |
2610 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2611 | ||
2612 | /** | |
2613 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2614 | * @kcontrol: mixer control | |
ac11a2b3 | 2615 | * @ucontrol: control element information |
db2a4165 FM |
2616 | * |
2617 | * Callback to set the value of a double enumerated mixer. | |
2618 | * | |
2619 | * Returns 0 for success. | |
2620 | */ | |
2621 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2622 | struct snd_ctl_elem_value *ucontrol) | |
2623 | { | |
2624 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2625 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
46f5822f | 2626 | unsigned int val; |
86767b7d | 2627 | unsigned int mask; |
db2a4165 | 2628 | |
f8ba0b7b | 2629 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
db2a4165 FM |
2630 | return -EINVAL; |
2631 | val = ucontrol->value.enumerated.item[0] << e->shift_l; | |
86767b7d | 2632 | mask = e->mask << e->shift_l; |
db2a4165 | 2633 | if (e->shift_l != e->shift_r) { |
f8ba0b7b | 2634 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
db2a4165 FM |
2635 | return -EINVAL; |
2636 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; | |
86767b7d | 2637 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2638 | } |
2639 | ||
6c508c62 | 2640 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2641 | } |
2642 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2643 | ||
2e72f8e3 PU |
2644 | /** |
2645 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback | |
2646 | * @kcontrol: mixer control | |
2647 | * @ucontrol: control element information | |
2648 | * | |
2649 | * Callback to get the value of a double semi enumerated mixer. | |
2650 | * | |
2651 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2652 | * used for handling bitfield coded enumeration for example. | |
2653 | * | |
2654 | * Returns 0 for success. | |
2655 | */ | |
2656 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, | |
2657 | struct snd_ctl_elem_value *ucontrol) | |
2658 | { | |
2659 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2660 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f | 2661 | unsigned int reg_val, val, mux; |
2e72f8e3 PU |
2662 | |
2663 | reg_val = snd_soc_read(codec, e->reg); | |
2664 | val = (reg_val >> e->shift_l) & e->mask; | |
2665 | for (mux = 0; mux < e->max; mux++) { | |
2666 | if (val == e->values[mux]) | |
2667 | break; | |
2668 | } | |
2669 | ucontrol->value.enumerated.item[0] = mux; | |
2670 | if (e->shift_l != e->shift_r) { | |
2671 | val = (reg_val >> e->shift_r) & e->mask; | |
2672 | for (mux = 0; mux < e->max; mux++) { | |
2673 | if (val == e->values[mux]) | |
2674 | break; | |
2675 | } | |
2676 | ucontrol->value.enumerated.item[1] = mux; | |
2677 | } | |
2678 | ||
2679 | return 0; | |
2680 | } | |
2681 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); | |
2682 | ||
2683 | /** | |
2684 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback | |
2685 | * @kcontrol: mixer control | |
2686 | * @ucontrol: control element information | |
2687 | * | |
2688 | * Callback to set the value of a double semi enumerated mixer. | |
2689 | * | |
2690 | * Semi enumerated mixer: the enumerated items are referred as values. Can be | |
2691 | * used for handling bitfield coded enumeration for example. | |
2692 | * | |
2693 | * Returns 0 for success. | |
2694 | */ | |
2695 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, | |
2696 | struct snd_ctl_elem_value *ucontrol) | |
2697 | { | |
2698 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
74155556 | 2699 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
46f5822f DR |
2700 | unsigned int val; |
2701 | unsigned int mask; | |
2e72f8e3 PU |
2702 | |
2703 | if (ucontrol->value.enumerated.item[0] > e->max - 1) | |
2704 | return -EINVAL; | |
2705 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; | |
2706 | mask = e->mask << e->shift_l; | |
2707 | if (e->shift_l != e->shift_r) { | |
2708 | if (ucontrol->value.enumerated.item[1] > e->max - 1) | |
2709 | return -EINVAL; | |
2710 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; | |
2711 | mask |= e->mask << e->shift_r; | |
2712 | } | |
2713 | ||
6c508c62 | 2714 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
2e72f8e3 PU |
2715 | } |
2716 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); | |
2717 | ||
db2a4165 FM |
2718 | /** |
2719 | * snd_soc_info_volsw - single mixer info callback | |
2720 | * @kcontrol: mixer control | |
2721 | * @uinfo: control element information | |
2722 | * | |
e8f5a103 PU |
2723 | * Callback to provide information about a single mixer control, or a double |
2724 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2725 | * |
2726 | * Returns 0 for success. | |
2727 | */ | |
2728 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2729 | struct snd_ctl_elem_info *uinfo) | |
2730 | { | |
4eaa9819 JS |
2731 | struct soc_mixer_control *mc = |
2732 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2733 | int platform_max; |
db2a4165 | 2734 | |
d11bb4a9 PU |
2735 | if (!mc->platform_max) |
2736 | mc->platform_max = mc->max; | |
2737 | platform_max = mc->platform_max; | |
2738 | ||
2739 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2740 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2741 | else | |
2742 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2743 | ||
e8f5a103 | 2744 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2745 | uinfo->value.integer.min = 0; |
d11bb4a9 | 2746 | uinfo->value.integer.max = platform_max; |
db2a4165 FM |
2747 | return 0; |
2748 | } | |
2749 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2750 | ||
2751 | /** | |
2752 | * snd_soc_get_volsw - single mixer get callback | |
2753 | * @kcontrol: mixer control | |
ac11a2b3 | 2754 | * @ucontrol: control element information |
db2a4165 | 2755 | * |
f7915d99 PU |
2756 | * Callback to get the value of a single mixer control, or a double mixer |
2757 | * control that spans 2 registers. | |
db2a4165 FM |
2758 | * |
2759 | * Returns 0 for success. | |
2760 | */ | |
2761 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2762 | struct snd_ctl_elem_value *ucontrol) | |
2763 | { | |
4eaa9819 JS |
2764 | struct soc_mixer_control *mc = |
2765 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2766 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2767 | unsigned int reg = mc->reg; |
f7915d99 | 2768 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2769 | unsigned int shift = mc->shift; |
2770 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2771 | int max = mc->max; |
815ecf8d JS |
2772 | unsigned int mask = (1 << fls(max)) - 1; |
2773 | unsigned int invert = mc->invert; | |
db2a4165 FM |
2774 | |
2775 | ucontrol->value.integer.value[0] = | |
2776 | (snd_soc_read(codec, reg) >> shift) & mask; | |
f7915d99 | 2777 | if (invert) |
db2a4165 | 2778 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2779 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2780 | |
2781 | if (snd_soc_volsw_is_stereo(mc)) { | |
2782 | if (reg == reg2) | |
2783 | ucontrol->value.integer.value[1] = | |
2784 | (snd_soc_read(codec, reg) >> rshift) & mask; | |
2785 | else | |
2786 | ucontrol->value.integer.value[1] = | |
2787 | (snd_soc_read(codec, reg2) >> shift) & mask; | |
2788 | if (invert) | |
db2a4165 | 2789 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2790 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2791 | } |
2792 | ||
2793 | return 0; | |
2794 | } | |
2795 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2796 | ||
2797 | /** | |
2798 | * snd_soc_put_volsw - single mixer put callback | |
2799 | * @kcontrol: mixer control | |
ac11a2b3 | 2800 | * @ucontrol: control element information |
db2a4165 | 2801 | * |
974815ba PU |
2802 | * Callback to set the value of a single mixer control, or a double mixer |
2803 | * control that spans 2 registers. | |
db2a4165 FM |
2804 | * |
2805 | * Returns 0 for success. | |
2806 | */ | |
2807 | int snd_soc_put_volsw(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; | |
db2a4165 | 2812 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2813 | unsigned int reg = mc->reg; |
974815ba | 2814 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2815 | unsigned int shift = mc->shift; |
2816 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2817 | int max = mc->max; |
815ecf8d JS |
2818 | unsigned int mask = (1 << fls(max)) - 1; |
2819 | unsigned int invert = mc->invert; | |
974815ba PU |
2820 | int err; |
2821 | bool type_2r = 0; | |
2822 | unsigned int val2 = 0; | |
2823 | unsigned int val, val_mask; | |
db2a4165 FM |
2824 | |
2825 | val = (ucontrol->value.integer.value[0] & mask); | |
2826 | if (invert) | |
a7a4ac86 | 2827 | val = max - val; |
db2a4165 FM |
2828 | val_mask = mask << shift; |
2829 | val = val << shift; | |
974815ba | 2830 | if (snd_soc_volsw_is_stereo(mc)) { |
db2a4165 FM |
2831 | val2 = (ucontrol->value.integer.value[1] & mask); |
2832 | if (invert) | |
a7a4ac86 | 2833 | val2 = max - val2; |
974815ba PU |
2834 | if (reg == reg2) { |
2835 | val_mask |= mask << rshift; | |
2836 | val |= val2 << rshift; | |
2837 | } else { | |
2838 | val2 = val2 << shift; | |
2839 | type_2r = 1; | |
2840 | } | |
db2a4165 | 2841 | } |
6c508c62 | 2842 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2843 | if (err < 0) |
db2a4165 FM |
2844 | return err; |
2845 | ||
974815ba PU |
2846 | if (type_2r) |
2847 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2848 | ||
db2a4165 FM |
2849 | return err; |
2850 | } | |
974815ba | 2851 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2852 | |
1d99f243 BA |
2853 | /** |
2854 | * snd_soc_get_volsw_sx - single mixer get callback | |
2855 | * @kcontrol: mixer control | |
2856 | * @ucontrol: control element information | |
2857 | * | |
2858 | * Callback to get the value of a single mixer control, or a double mixer | |
2859 | * control that spans 2 registers. | |
2860 | * | |
2861 | * Returns 0 for success. | |
2862 | */ | |
2863 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2864 | struct snd_ctl_elem_value *ucontrol) | |
2865 | { | |
2866 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2867 | struct soc_mixer_control *mc = | |
2868 | (struct soc_mixer_control *)kcontrol->private_value; | |
2869 | ||
2870 | unsigned int reg = mc->reg; | |
2871 | unsigned int reg2 = mc->rreg; | |
2872 | unsigned int shift = mc->shift; | |
2873 | unsigned int rshift = mc->rshift; | |
2874 | int max = mc->max; | |
2875 | int min = mc->min; | |
2876 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2877 | ||
2878 | ucontrol->value.integer.value[0] = | |
2879 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2880 | ||
2881 | if (snd_soc_volsw_is_stereo(mc)) | |
2882 | ucontrol->value.integer.value[1] = | |
2883 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2884 | ||
2885 | return 0; | |
2886 | } | |
2887 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2888 | ||
2889 | /** | |
2890 | * snd_soc_put_volsw_sx - double mixer set callback | |
2891 | * @kcontrol: mixer control | |
2892 | * @uinfo: control element information | |
2893 | * | |
2894 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2895 | * | |
2896 | * Returns 0 for success. | |
2897 | */ | |
2898 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2899 | struct snd_ctl_elem_value *ucontrol) | |
2900 | { | |
2901 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2902 | struct soc_mixer_control *mc = | |
2903 | (struct soc_mixer_control *)kcontrol->private_value; | |
2904 | ||
2905 | unsigned int reg = mc->reg; | |
2906 | unsigned int reg2 = mc->rreg; | |
2907 | unsigned int shift = mc->shift; | |
2908 | unsigned int rshift = mc->rshift; | |
2909 | int max = mc->max; | |
2910 | int min = mc->min; | |
2911 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2912 | int err = 0; |
1d99f243 BA |
2913 | unsigned short val, val_mask, val2 = 0; |
2914 | ||
2915 | val_mask = mask << shift; | |
2916 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2917 | val = val << shift; | |
2918 | ||
d055852e MN |
2919 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2920 | if (err < 0) | |
2921 | return err; | |
1d99f243 BA |
2922 | |
2923 | if (snd_soc_volsw_is_stereo(mc)) { | |
2924 | val_mask = mask << rshift; | |
2925 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2926 | val2 = val2 << rshift; | |
2927 | ||
2928 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2929 | return err; | |
2930 | } | |
2931 | return 0; | |
2932 | } | |
2933 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2934 | ||
e13ac2e9 MB |
2935 | /** |
2936 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2937 | * @kcontrol: mixer control | |
2938 | * @uinfo: control element information | |
2939 | * | |
2940 | * Callback to provide information about a signed mixer control. | |
2941 | * | |
2942 | * Returns 0 for success. | |
2943 | */ | |
2944 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2945 | struct snd_ctl_elem_info *uinfo) | |
2946 | { | |
4eaa9819 JS |
2947 | struct soc_mixer_control *mc = |
2948 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2949 | int platform_max; |
4eaa9819 | 2950 | int min = mc->min; |
e13ac2e9 | 2951 | |
d11bb4a9 PU |
2952 | if (!mc->platform_max) |
2953 | mc->platform_max = mc->max; | |
2954 | platform_max = mc->platform_max; | |
2955 | ||
e13ac2e9 MB |
2956 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2957 | uinfo->count = 2; | |
2958 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2959 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2960 | return 0; |
2961 | } | |
2962 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2963 | ||
2964 | /** | |
2965 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2966 | * @kcontrol: mixer control | |
ac11a2b3 | 2967 | * @ucontrol: control element information |
e13ac2e9 MB |
2968 | * |
2969 | * Callback to get the value of a signed mixer control. | |
2970 | * | |
2971 | * Returns 0 for success. | |
2972 | */ | |
2973 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2974 | struct snd_ctl_elem_value *ucontrol) | |
2975 | { | |
4eaa9819 JS |
2976 | struct soc_mixer_control *mc = |
2977 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2978 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2979 | unsigned int reg = mc->reg; |
4eaa9819 | 2980 | int min = mc->min; |
e13ac2e9 MB |
2981 | int val = snd_soc_read(codec, reg); |
2982 | ||
2983 | ucontrol->value.integer.value[0] = | |
2984 | ((signed char)(val & 0xff))-min; | |
2985 | ucontrol->value.integer.value[1] = | |
2986 | ((signed char)((val >> 8) & 0xff))-min; | |
2987 | return 0; | |
2988 | } | |
2989 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2990 | ||
2991 | /** | |
2992 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2993 | * @kcontrol: mixer control | |
ac11a2b3 | 2994 | * @ucontrol: control element information |
e13ac2e9 MB |
2995 | * |
2996 | * Callback to set the value of a signed mixer control. | |
2997 | * | |
2998 | * Returns 0 for success. | |
2999 | */ | |
3000 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
3001 | struct snd_ctl_elem_value *ucontrol) | |
3002 | { | |
4eaa9819 JS |
3003 | struct soc_mixer_control *mc = |
3004 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 3005 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 3006 | unsigned int reg = mc->reg; |
4eaa9819 | 3007 | int min = mc->min; |
46f5822f | 3008 | unsigned int val; |
e13ac2e9 MB |
3009 | |
3010 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
3011 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
3012 | ||
6c508c62 | 3013 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
3014 | } |
3015 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
3016 | ||
6c9d8cf6 AT |
3017 | /** |
3018 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
3019 | * @kcontrol: mixer control | |
3020 | * @uinfo: control element information | |
3021 | * | |
3022 | * Callback to provide information, within a range, about a single | |
3023 | * mixer control. | |
3024 | * | |
3025 | * returns 0 for success. | |
3026 | */ | |
3027 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
3028 | struct snd_ctl_elem_info *uinfo) | |
3029 | { | |
3030 | struct soc_mixer_control *mc = | |
3031 | (struct soc_mixer_control *)kcontrol->private_value; | |
3032 | int platform_max; | |
3033 | int min = mc->min; | |
3034 | ||
3035 | if (!mc->platform_max) | |
3036 | mc->platform_max = mc->max; | |
3037 | platform_max = mc->platform_max; | |
3038 | ||
3039 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 3040 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
3041 | uinfo->value.integer.min = 0; |
3042 | uinfo->value.integer.max = platform_max - min; | |
3043 | ||
3044 | return 0; | |
3045 | } | |
3046 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
3047 | ||
3048 | /** | |
3049 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
3050 | * @kcontrol: mixer control | |
3051 | * @ucontrol: control element information | |
3052 | * | |
3053 | * Callback to set the value, within a range, for a single mixer control. | |
3054 | * | |
3055 | * Returns 0 for success. | |
3056 | */ | |
3057 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
3058 | struct snd_ctl_elem_value *ucontrol) | |
3059 | { | |
3060 | struct soc_mixer_control *mc = | |
3061 | (struct soc_mixer_control *)kcontrol->private_value; | |
3062 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3063 | unsigned int reg = mc->reg; | |
9bde4f0b | 3064 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3065 | unsigned int shift = mc->shift; |
3066 | int min = mc->min; | |
3067 | int max = mc->max; | |
3068 | unsigned int mask = (1 << fls(max)) - 1; | |
3069 | unsigned int invert = mc->invert; | |
3070 | unsigned int val, val_mask; | |
9bde4f0b | 3071 | int ret; |
6c9d8cf6 AT |
3072 | |
3073 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
3074 | if (invert) | |
3075 | val = max - val; | |
3076 | val_mask = mask << shift; | |
3077 | val = val << shift; | |
3078 | ||
9bde4f0b | 3079 | ret = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
0eaa6cca | 3080 | if (ret < 0) |
9bde4f0b MB |
3081 | return ret; |
3082 | ||
3083 | if (snd_soc_volsw_is_stereo(mc)) { | |
3084 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
3085 | if (invert) | |
3086 | val = max - val; | |
3087 | val_mask = mask << shift; | |
3088 | val = val << shift; | |
3089 | ||
3090 | ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val); | |
3091 | } | |
3092 | ||
3093 | return ret; | |
6c9d8cf6 AT |
3094 | } |
3095 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
3096 | ||
3097 | /** | |
3098 | * snd_soc_get_volsw_range - single mixer get callback with range | |
3099 | * @kcontrol: mixer control | |
3100 | * @ucontrol: control element information | |
3101 | * | |
3102 | * Callback to get the value, within a range, of a single mixer control. | |
3103 | * | |
3104 | * Returns 0 for success. | |
3105 | */ | |
3106 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3107 | struct snd_ctl_elem_value *ucontrol) | |
3108 | { | |
3109 | struct soc_mixer_control *mc = | |
3110 | (struct soc_mixer_control *)kcontrol->private_value; | |
3111 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3112 | unsigned int reg = mc->reg; | |
9bde4f0b | 3113 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3114 | unsigned int shift = mc->shift; |
3115 | int min = mc->min; | |
3116 | int max = mc->max; | |
3117 | unsigned int mask = (1 << fls(max)) - 1; | |
3118 | unsigned int invert = mc->invert; | |
3119 | ||
3120 | ucontrol->value.integer.value[0] = | |
3121 | (snd_soc_read(codec, reg) >> shift) & mask; | |
3122 | if (invert) | |
3123 | ucontrol->value.integer.value[0] = | |
3124 | max - ucontrol->value.integer.value[0]; | |
3125 | ucontrol->value.integer.value[0] = | |
3126 | ucontrol->value.integer.value[0] - min; | |
3127 | ||
9bde4f0b MB |
3128 | if (snd_soc_volsw_is_stereo(mc)) { |
3129 | ucontrol->value.integer.value[1] = | |
3130 | (snd_soc_read(codec, rreg) >> shift) & mask; | |
3131 | if (invert) | |
3132 | ucontrol->value.integer.value[1] = | |
3133 | max - ucontrol->value.integer.value[1]; | |
3134 | ucontrol->value.integer.value[1] = | |
3135 | ucontrol->value.integer.value[1] - min; | |
3136 | } | |
3137 | ||
6c9d8cf6 AT |
3138 | return 0; |
3139 | } | |
3140 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3141 | ||
637d3847 PU |
3142 | /** |
3143 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3144 | * | |
3145 | * @codec: where to look for the control | |
3146 | * @name: Name of the control | |
3147 | * @max: new maximum limit | |
3148 | * | |
3149 | * Return 0 for success, else error. | |
3150 | */ | |
3151 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3152 | const char *name, int max) | |
3153 | { | |
f0fba2ad | 3154 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3155 | struct snd_kcontrol *kctl; |
3156 | struct soc_mixer_control *mc; | |
3157 | int found = 0; | |
3158 | int ret = -EINVAL; | |
3159 | ||
3160 | /* Sanity check for name and max */ | |
3161 | if (unlikely(!name || max <= 0)) | |
3162 | return -EINVAL; | |
3163 | ||
3164 | list_for_each_entry(kctl, &card->controls, list) { | |
3165 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3166 | found = 1; | |
3167 | break; | |
3168 | } | |
3169 | } | |
3170 | if (found) { | |
3171 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3172 | if (max <= mc->max) { | |
d11bb4a9 | 3173 | mc->platform_max = max; |
637d3847 PU |
3174 | ret = 0; |
3175 | } | |
3176 | } | |
3177 | return ret; | |
3178 | } | |
3179 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3180 | ||
71d08516 MB |
3181 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3182 | struct snd_ctl_elem_info *uinfo) | |
3183 | { | |
3184 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3185 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3186 | ||
3187 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3188 | uinfo->count = params->num_regs * codec->val_bytes; | |
3189 | ||
3190 | return 0; | |
3191 | } | |
3192 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3193 | ||
3194 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3195 | struct snd_ctl_elem_value *ucontrol) | |
3196 | { | |
3197 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3198 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3199 | int ret; | |
3200 | ||
3201 | if (codec->using_regmap) | |
3202 | ret = regmap_raw_read(codec->control_data, params->base, | |
3203 | ucontrol->value.bytes.data, | |
3204 | params->num_regs * codec->val_bytes); | |
3205 | else | |
3206 | ret = -EINVAL; | |
3207 | ||
f831b055 MB |
3208 | /* Hide any masked bytes to ensure consistent data reporting */ |
3209 | if (ret == 0 && params->mask) { | |
3210 | switch (codec->val_bytes) { | |
3211 | case 1: | |
3212 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3213 | break; | |
3214 | case 2: | |
3215 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
3216 | &= ~params->mask; | |
3217 | break; | |
3218 | case 4: | |
3219 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
3220 | &= ~params->mask; | |
3221 | break; | |
3222 | default: | |
3223 | return -EINVAL; | |
3224 | } | |
3225 | } | |
3226 | ||
71d08516 MB |
3227 | return ret; |
3228 | } | |
3229 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3230 | ||
3231 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3232 | struct snd_ctl_elem_value *ucontrol) | |
3233 | { | |
3234 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3235 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 MB |
3236 | int ret, len; |
3237 | unsigned int val; | |
3238 | void *data; | |
71d08516 | 3239 | |
f831b055 MB |
3240 | if (!codec->using_regmap) |
3241 | return -EINVAL; | |
3242 | ||
f831b055 MB |
3243 | len = params->num_regs * codec->val_bytes; |
3244 | ||
b5a8fe43 MB |
3245 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3246 | if (!data) | |
3247 | return -ENOMEM; | |
3248 | ||
f831b055 MB |
3249 | /* |
3250 | * If we've got a mask then we need to preserve the register | |
3251 | * bits. We shouldn't modify the incoming data so take a | |
3252 | * copy. | |
3253 | */ | |
3254 | if (params->mask) { | |
3255 | ret = regmap_read(codec->control_data, params->base, &val); | |
3256 | if (ret != 0) | |
e8b18add | 3257 | goto out; |
f831b055 MB |
3258 | |
3259 | val &= params->mask; | |
3260 | ||
f831b055 MB |
3261 | switch (codec->val_bytes) { |
3262 | case 1: | |
3263 | ((u8 *)data)[0] &= ~params->mask; | |
3264 | ((u8 *)data)[0] |= val; | |
3265 | break; | |
3266 | case 2: | |
3267 | ((u16 *)data)[0] &= cpu_to_be16(~params->mask); | |
3268 | ((u16 *)data)[0] |= cpu_to_be16(val); | |
3269 | break; | |
3270 | case 4: | |
3271 | ((u32 *)data)[0] &= cpu_to_be32(~params->mask); | |
3272 | ((u32 *)data)[0] |= cpu_to_be32(val); | |
3273 | break; | |
3274 | default: | |
e8b18add WY |
3275 | ret = -EINVAL; |
3276 | goto out; | |
f831b055 MB |
3277 | } |
3278 | } | |
3279 | ||
3280 | ret = regmap_raw_write(codec->control_data, params->base, | |
3281 | data, len); | |
3282 | ||
e8b18add | 3283 | out: |
b5a8fe43 | 3284 | kfree(data); |
71d08516 MB |
3285 | |
3286 | return ret; | |
3287 | } | |
3288 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3289 | ||
4183eed2 KK |
3290 | /** |
3291 | * snd_soc_info_xr_sx - signed multi register info callback | |
3292 | * @kcontrol: mreg control | |
3293 | * @uinfo: control element information | |
3294 | * | |
3295 | * Callback to provide information of a control that can | |
3296 | * span multiple codec registers which together | |
3297 | * forms a single signed value in a MSB/LSB manner. | |
3298 | * | |
3299 | * Returns 0 for success. | |
3300 | */ | |
3301 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3302 | struct snd_ctl_elem_info *uinfo) | |
3303 | { | |
3304 | struct soc_mreg_control *mc = | |
3305 | (struct soc_mreg_control *)kcontrol->private_value; | |
3306 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3307 | uinfo->count = 1; | |
3308 | uinfo->value.integer.min = mc->min; | |
3309 | uinfo->value.integer.max = mc->max; | |
3310 | ||
3311 | return 0; | |
3312 | } | |
3313 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3314 | ||
3315 | /** | |
3316 | * snd_soc_get_xr_sx - signed multi register get callback | |
3317 | * @kcontrol: mreg control | |
3318 | * @ucontrol: control element information | |
3319 | * | |
3320 | * Callback to get the value of a control that can span | |
3321 | * multiple codec registers which together forms a single | |
3322 | * signed value in a MSB/LSB manner. The control supports | |
3323 | * specifying total no of bits used to allow for bitfields | |
3324 | * across the multiple codec registers. | |
3325 | * | |
3326 | * Returns 0 for success. | |
3327 | */ | |
3328 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3329 | struct snd_ctl_elem_value *ucontrol) | |
3330 | { | |
3331 | struct soc_mreg_control *mc = | |
3332 | (struct soc_mreg_control *)kcontrol->private_value; | |
3333 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3334 | unsigned int regbase = mc->regbase; | |
3335 | unsigned int regcount = mc->regcount; | |
3336 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3337 | unsigned int regwmask = (1<<regwshift)-1; | |
3338 | unsigned int invert = mc->invert; | |
3339 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3340 | long min = mc->min; | |
3341 | long max = mc->max; | |
3342 | long val = 0; | |
3343 | unsigned long regval; | |
3344 | unsigned int i; | |
3345 | ||
3346 | for (i = 0; i < regcount; i++) { | |
3347 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3348 | val |= regval << (regwshift*(regcount-i-1)); | |
3349 | } | |
3350 | val &= mask; | |
3351 | if (min < 0 && val > max) | |
3352 | val |= ~mask; | |
3353 | if (invert) | |
3354 | val = max - val; | |
3355 | ucontrol->value.integer.value[0] = val; | |
3356 | ||
3357 | return 0; | |
3358 | } | |
3359 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3360 | ||
3361 | /** | |
3362 | * snd_soc_put_xr_sx - signed multi register get callback | |
3363 | * @kcontrol: mreg control | |
3364 | * @ucontrol: control element information | |
3365 | * | |
3366 | * Callback to set the value of a control that can span | |
3367 | * multiple codec registers which together forms a single | |
3368 | * signed value in a MSB/LSB manner. The control supports | |
3369 | * specifying total no of bits used to allow for bitfields | |
3370 | * across the multiple codec registers. | |
3371 | * | |
3372 | * Returns 0 for success. | |
3373 | */ | |
3374 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3375 | struct snd_ctl_elem_value *ucontrol) | |
3376 | { | |
3377 | struct soc_mreg_control *mc = | |
3378 | (struct soc_mreg_control *)kcontrol->private_value; | |
3379 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3380 | unsigned int regbase = mc->regbase; | |
3381 | unsigned int regcount = mc->regcount; | |
3382 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3383 | unsigned int regwmask = (1<<regwshift)-1; | |
3384 | unsigned int invert = mc->invert; | |
3385 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3386 | long max = mc->max; |
3387 | long val = ucontrol->value.integer.value[0]; | |
3388 | unsigned int i, regval, regmask; | |
3389 | int err; | |
3390 | ||
3391 | if (invert) | |
3392 | val = max - val; | |
3393 | val &= mask; | |
3394 | for (i = 0; i < regcount; i++) { | |
3395 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3396 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3397 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3398 | regmask, regval); | |
3399 | if (err < 0) | |
3400 | return err; | |
3401 | } | |
3402 | ||
3403 | return 0; | |
3404 | } | |
3405 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3406 | ||
dd7b10b3 KK |
3407 | /** |
3408 | * snd_soc_get_strobe - strobe get callback | |
3409 | * @kcontrol: mixer control | |
3410 | * @ucontrol: control element information | |
3411 | * | |
3412 | * Callback get the value of a strobe mixer control. | |
3413 | * | |
3414 | * Returns 0 for success. | |
3415 | */ | |
3416 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3417 | struct snd_ctl_elem_value *ucontrol) | |
3418 | { | |
3419 | struct soc_mixer_control *mc = | |
3420 | (struct soc_mixer_control *)kcontrol->private_value; | |
3421 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3422 | unsigned int reg = mc->reg; | |
3423 | unsigned int shift = mc->shift; | |
3424 | unsigned int mask = 1 << shift; | |
3425 | unsigned int invert = mc->invert != 0; | |
3426 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3427 | ||
3428 | if (shift != 0 && val != 0) | |
3429 | val = val >> shift; | |
3430 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3431 | ||
3432 | return 0; | |
3433 | } | |
3434 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3435 | ||
3436 | /** | |
3437 | * snd_soc_put_strobe - strobe put callback | |
3438 | * @kcontrol: mixer control | |
3439 | * @ucontrol: control element information | |
3440 | * | |
3441 | * Callback strobe a register bit to high then low (or the inverse) | |
3442 | * in one pass of a single mixer enum control. | |
3443 | * | |
3444 | * Returns 1 for success. | |
3445 | */ | |
3446 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3447 | struct snd_ctl_elem_value *ucontrol) | |
3448 | { | |
3449 | struct soc_mixer_control *mc = | |
3450 | (struct soc_mixer_control *)kcontrol->private_value; | |
3451 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3452 | unsigned int reg = mc->reg; | |
3453 | unsigned int shift = mc->shift; | |
3454 | unsigned int mask = 1 << shift; | |
3455 | unsigned int invert = mc->invert != 0; | |
3456 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3457 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3458 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3459 | int err; | |
3460 | ||
3461 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3462 | if (err < 0) | |
3463 | return err; | |
3464 | ||
3465 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3466 | return err; | |
3467 | } | |
3468 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3469 | ||
8c6529db LG |
3470 | /** |
3471 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3472 | * @dai: DAI | |
3473 | * @clk_id: DAI specific clock ID | |
3474 | * @freq: new clock frequency in Hz | |
3475 | * @dir: new clock direction - input/output. | |
3476 | * | |
3477 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3478 | */ | |
3479 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3480 | unsigned int freq, int dir) | |
3481 | { | |
f0fba2ad LG |
3482 | if (dai->driver && dai->driver->ops->set_sysclk) |
3483 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3484 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3485 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3486 | freq, dir); |
8c6529db LG |
3487 | else |
3488 | return -EINVAL; | |
3489 | } | |
3490 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3491 | ||
ec4ee52a MB |
3492 | /** |
3493 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3494 | * @codec: CODEC | |
3495 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3496 | * @source: Source for the clock |
ec4ee52a MB |
3497 | * @freq: new clock frequency in Hz |
3498 | * @dir: new clock direction - input/output. | |
3499 | * | |
3500 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3501 | */ | |
3502 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3503 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3504 | { |
3505 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3506 | return codec->driver->set_sysclk(codec, clk_id, source, |
3507 | freq, dir); | |
ec4ee52a MB |
3508 | else |
3509 | return -EINVAL; | |
3510 | } | |
3511 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3512 | ||
8c6529db LG |
3513 | /** |
3514 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3515 | * @dai: DAI | |
ac11a2b3 | 3516 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3517 | * @div: new clock divisor. |
3518 | * | |
3519 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3520 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3521 | * and frame clocks as low as possible to save system power. | |
3522 | */ | |
3523 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3524 | int div_id, int div) | |
3525 | { | |
f0fba2ad LG |
3526 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3527 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3528 | else |
3529 | return -EINVAL; | |
3530 | } | |
3531 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3532 | ||
3533 | /** | |
3534 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3535 | * @dai: DAI | |
3536 | * @pll_id: DAI specific PLL ID | |
85488037 | 3537 | * @source: DAI specific source for the PLL |
8c6529db LG |
3538 | * @freq_in: PLL input clock frequency in Hz |
3539 | * @freq_out: requested PLL output clock frequency in Hz | |
3540 | * | |
3541 | * Configures and enables PLL to generate output clock based on input clock. | |
3542 | */ | |
85488037 MB |
3543 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3544 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3545 | { |
f0fba2ad LG |
3546 | if (dai->driver && dai->driver->ops->set_pll) |
3547 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3548 | freq_in, freq_out); |
ec4ee52a MB |
3549 | else if (dai->codec && dai->codec->driver->set_pll) |
3550 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3551 | freq_in, freq_out); | |
8c6529db LG |
3552 | else |
3553 | return -EINVAL; | |
3554 | } | |
3555 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3556 | ||
ec4ee52a MB |
3557 | /* |
3558 | * snd_soc_codec_set_pll - configure codec PLL. | |
3559 | * @codec: CODEC | |
3560 | * @pll_id: DAI specific PLL ID | |
3561 | * @source: DAI specific source for the PLL | |
3562 | * @freq_in: PLL input clock frequency in Hz | |
3563 | * @freq_out: requested PLL output clock frequency in Hz | |
3564 | * | |
3565 | * Configures and enables PLL to generate output clock based on input clock. | |
3566 | */ | |
3567 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3568 | unsigned int freq_in, unsigned int freq_out) | |
3569 | { | |
3570 | if (codec->driver->set_pll) | |
3571 | return codec->driver->set_pll(codec, pll_id, source, | |
3572 | freq_in, freq_out); | |
3573 | else | |
3574 | return -EINVAL; | |
3575 | } | |
3576 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3577 | ||
8c6529db LG |
3578 | /** |
3579 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3580 | * @dai: DAI | |
8c6529db LG |
3581 | * @fmt: SND_SOC_DAIFMT_ format value. |
3582 | * | |
3583 | * Configures the DAI hardware format and clocking. | |
3584 | */ | |
3585 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3586 | { | |
5e4ba569 | 3587 | if (dai->driver == NULL) |
8c6529db | 3588 | return -EINVAL; |
5e4ba569 SG |
3589 | if (dai->driver->ops->set_fmt == NULL) |
3590 | return -ENOTSUPP; | |
3591 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3592 | } |
3593 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3594 | ||
3595 | /** | |
3596 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3597 | * @dai: DAI | |
a5479e38 DR |
3598 | * @tx_mask: bitmask representing active TX slots. |
3599 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3600 | * @slots: Number of slots in use. |
a5479e38 | 3601 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3602 | * |
3603 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3604 | * specific. | |
3605 | */ | |
3606 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3607 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3608 | { |
f0fba2ad LG |
3609 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3610 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3611 | slots, slot_width); |
8c6529db LG |
3612 | else |
3613 | return -EINVAL; | |
3614 | } | |
3615 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3616 | ||
472df3cb BS |
3617 | /** |
3618 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3619 | * @dai: DAI | |
3620 | * @tx_num: how many TX channels | |
3621 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3622 | * 0~num-1 uses | |
3623 | * @rx_num: how many RX channels | |
3624 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3625 | * 0~num-1 uses | |
3626 | * | |
3627 | * configure the relationship between channel number and TDM slot number. | |
3628 | */ | |
3629 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3630 | unsigned int tx_num, unsigned int *tx_slot, | |
3631 | unsigned int rx_num, unsigned int *rx_slot) | |
3632 | { | |
f0fba2ad LG |
3633 | if (dai->driver && dai->driver->ops->set_channel_map) |
3634 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3635 | rx_num, rx_slot); |
3636 | else | |
3637 | return -EINVAL; | |
3638 | } | |
3639 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3640 | ||
8c6529db LG |
3641 | /** |
3642 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3643 | * @dai: DAI | |
3644 | * @tristate: tristate enable | |
3645 | * | |
3646 | * Tristates the DAI so that others can use it. | |
3647 | */ | |
3648 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3649 | { | |
f0fba2ad LG |
3650 | if (dai->driver && dai->driver->ops->set_tristate) |
3651 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3652 | else |
3653 | return -EINVAL; | |
3654 | } | |
3655 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3656 | ||
3657 | /** | |
3658 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3659 | * @dai: DAI | |
3660 | * @mute: mute enable | |
da18396f | 3661 | * @direction: stream to mute |
8c6529db LG |
3662 | * |
3663 | * Mutes the DAI DAC. | |
3664 | */ | |
da18396f MB |
3665 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3666 | int direction) | |
8c6529db | 3667 | { |
da18396f MB |
3668 | if (!dai->driver) |
3669 | return -ENOTSUPP; | |
3670 | ||
3671 | if (dai->driver->ops->mute_stream) | |
3672 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3673 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3674 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3675 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3676 | else |
04570c62 | 3677 | return -ENOTSUPP; |
8c6529db LG |
3678 | } |
3679 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3680 | ||
c5af3a2e MB |
3681 | /** |
3682 | * snd_soc_register_card - Register a card with the ASoC core | |
3683 | * | |
ac11a2b3 | 3684 | * @card: Card to register |
c5af3a2e | 3685 | * |
c5af3a2e | 3686 | */ |
70a7ca34 | 3687 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3688 | { |
b19e6e7b | 3689 | int i, ret; |
f0fba2ad | 3690 | |
c5af3a2e MB |
3691 | if (!card->name || !card->dev) |
3692 | return -EINVAL; | |
3693 | ||
5a504963 SW |
3694 | for (i = 0; i < card->num_links; i++) { |
3695 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3696 | ||
3697 | /* | |
3698 | * Codec must be specified by 1 of name or OF node, | |
3699 | * not both or neither. | |
3700 | */ | |
3701 | if (!!link->codec_name == !!link->codec_of_node) { | |
10e8aa9a MM |
3702 | dev_err(card->dev, |
3703 | "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3704 | link->name); | |
5a504963 SW |
3705 | return -EINVAL; |
3706 | } | |
bc92657a SW |
3707 | /* Codec DAI name must be specified */ |
3708 | if (!link->codec_dai_name) { | |
10e8aa9a MM |
3709 | dev_err(card->dev, |
3710 | "ASoC: codec_dai_name not set for %s\n", | |
3711 | link->name); | |
bc92657a SW |
3712 | return -EINVAL; |
3713 | } | |
5a504963 SW |
3714 | |
3715 | /* | |
3716 | * Platform may be specified by either name or OF node, but | |
3717 | * can be left unspecified, and a dummy platform will be used. | |
3718 | */ | |
3719 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3720 | dev_err(card->dev, |
3721 | "ASoC: Both platform name/of_node are set for %s\n", | |
3722 | link->name); | |
5a504963 SW |
3723 | return -EINVAL; |
3724 | } | |
3725 | ||
3726 | /* | |
bc92657a SW |
3727 | * CPU device may be specified by either name or OF node, but |
3728 | * can be left unspecified, and will be matched based on DAI | |
3729 | * name alone.. | |
3730 | */ | |
3731 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3732 | dev_err(card->dev, |
3733 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3734 | link->name); | |
bc92657a SW |
3735 | return -EINVAL; |
3736 | } | |
3737 | /* | |
3738 | * At least one of CPU DAI name or CPU device name/node must be | |
3739 | * specified | |
5a504963 | 3740 | */ |
bc92657a SW |
3741 | if (!link->cpu_dai_name && |
3742 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3743 | dev_err(card->dev, |
3744 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3745 | link->name); | |
5a504963 SW |
3746 | return -EINVAL; |
3747 | } | |
3748 | } | |
3749 | ||
ed77cc12 MB |
3750 | dev_set_drvdata(card->dev, card); |
3751 | ||
111c6419 SW |
3752 | snd_soc_initialize_card_lists(card); |
3753 | ||
150dd2f8 VK |
3754 | soc_init_card_debugfs(card); |
3755 | ||
181a6892 MB |
3756 | card->rtd = devm_kzalloc(card->dev, |
3757 | sizeof(struct snd_soc_pcm_runtime) * | |
3758 | (card->num_links + card->num_aux_devs), | |
3759 | GFP_KERNEL); | |
f0fba2ad LG |
3760 | if (card->rtd == NULL) |
3761 | return -ENOMEM; | |
a7dbb603 | 3762 | card->num_rtd = 0; |
2eea392d | 3763 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3764 | |
3765 | for (i = 0; i < card->num_links; i++) | |
3766 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3767 | ||
c5af3a2e | 3768 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3769 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3770 | card->instantiated = 0; |
f0fba2ad | 3771 | mutex_init(&card->mutex); |
a73fb2df | 3772 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3773 | |
b19e6e7b MB |
3774 | ret = snd_soc_instantiate_card(card); |
3775 | if (ret != 0) | |
3776 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3777 | |
b19e6e7b | 3778 | return ret; |
c5af3a2e | 3779 | } |
70a7ca34 | 3780 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3781 | |
3782 | /** | |
3783 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3784 | * | |
ac11a2b3 | 3785 | * @card: Card to unregister |
c5af3a2e | 3786 | * |
c5af3a2e | 3787 | */ |
70a7ca34 | 3788 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3789 | { |
b0e26485 VK |
3790 | if (card->instantiated) |
3791 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3792 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3793 | |
3794 | return 0; | |
3795 | } | |
70a7ca34 | 3796 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3797 | |
f0fba2ad LG |
3798 | /* |
3799 | * Simplify DAI link configuration by removing ".-1" from device names | |
3800 | * and sanitizing names. | |
3801 | */ | |
0b9a214a | 3802 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3803 | { |
3804 | char *found, name[NAME_SIZE]; | |
3805 | int id1, id2; | |
3806 | ||
3807 | if (dev_name(dev) == NULL) | |
3808 | return NULL; | |
3809 | ||
58818a77 | 3810 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3811 | |
3812 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3813 | found = strstr(name, dev->driver->name); | |
3814 | if (found) { | |
3815 | /* get ID */ | |
3816 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3817 | ||
3818 | /* discard ID from name if ID == -1 */ | |
3819 | if (*id == -1) | |
3820 | found[strlen(dev->driver->name)] = '\0'; | |
3821 | } | |
3822 | ||
3823 | } else { | |
3824 | /* I2C component devices are named "bus-addr" */ | |
3825 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3826 | char tmp[NAME_SIZE]; | |
3827 | ||
3828 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3829 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3830 | |
3831 | /* sanitize component name for DAI link creation */ | |
3832 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3833 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3834 | } else |
3835 | *id = 0; | |
3836 | } | |
3837 | ||
3838 | return kstrdup(name, GFP_KERNEL); | |
3839 | } | |
3840 | ||
3841 | /* | |
3842 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3843 | * any ".-1" and using the DAI name (instead of device name). | |
3844 | */ | |
3845 | static inline char *fmt_multiple_name(struct device *dev, | |
3846 | struct snd_soc_dai_driver *dai_drv) | |
3847 | { | |
3848 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3849 | dev_err(dev, |
3850 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3851 | dev_name(dev)); | |
f0fba2ad LG |
3852 | return NULL; |
3853 | } | |
3854 | ||
3855 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3856 | } | |
3857 | ||
9115171a MB |
3858 | /** |
3859 | * snd_soc_register_dai - Register a DAI with the ASoC core | |
3860 | * | |
ac11a2b3 | 3861 | * @dai: DAI to register |
9115171a | 3862 | */ |
f53179c0 | 3863 | static int snd_soc_register_dai(struct device *dev, |
f0fba2ad | 3864 | struct snd_soc_dai_driver *dai_drv) |
9115171a | 3865 | { |
054880fe | 3866 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3867 | struct snd_soc_dai *dai; |
3868 | ||
f110bfc7 | 3869 | dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev)); |
9115171a | 3870 | |
f0fba2ad LG |
3871 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
3872 | if (dai == NULL) | |
a7393623 | 3873 | return -ENOMEM; |
9115171a | 3874 | |
f0fba2ad LG |
3875 | /* create DAI component name */ |
3876 | dai->name = fmt_single_name(dev, &dai->id); | |
3877 | if (dai->name == NULL) { | |
3878 | kfree(dai); | |
3879 | return -ENOMEM; | |
3880 | } | |
6335d055 | 3881 | |
f0fba2ad LG |
3882 | dai->dev = dev; |
3883 | dai->driver = dai_drv; | |
be09ad90 | 3884 | dai->dapm.dev = dev; |
f0fba2ad LG |
3885 | if (!dai->driver->ops) |
3886 | dai->driver->ops = &null_dai_ops; | |
9115171a MB |
3887 | |
3888 | mutex_lock(&client_mutex); | |
054880fe MB |
3889 | |
3890 | list_for_each_entry(codec, &codec_list, list) { | |
3891 | if (codec->dev == dev) { | |
f110bfc7 | 3892 | dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n", |
054880fe MB |
3893 | dai->name, codec->name); |
3894 | dai->codec = codec; | |
3895 | break; | |
3896 | } | |
3897 | } | |
3898 | ||
5f800080 PU |
3899 | if (!dai->codec) |
3900 | dai->dapm.idle_bias_off = 1; | |
3901 | ||
9115171a | 3902 | list_add(&dai->list, &dai_list); |
054880fe | 3903 | |
9115171a MB |
3904 | mutex_unlock(&client_mutex); |
3905 | ||
f110bfc7 | 3906 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3907 | |
3908 | return 0; | |
3909 | } | |
9115171a MB |
3910 | |
3911 | /** | |
3912 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core | |
3913 | * | |
ac11a2b3 | 3914 | * @dai: DAI to unregister |
9115171a | 3915 | */ |
f53179c0 | 3916 | static void snd_soc_unregister_dai(struct device *dev) |
9115171a | 3917 | { |
f0fba2ad LG |
3918 | struct snd_soc_dai *dai; |
3919 | ||
3920 | list_for_each_entry(dai, &dai_list, list) { | |
3921 | if (dev == dai->dev) | |
3922 | goto found; | |
3923 | } | |
3924 | return; | |
3925 | ||
3926 | found: | |
9115171a MB |
3927 | mutex_lock(&client_mutex); |
3928 | list_del(&dai->list); | |
3929 | mutex_unlock(&client_mutex); | |
3930 | ||
f110bfc7 | 3931 | dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name); |
f0fba2ad LG |
3932 | kfree(dai->name); |
3933 | kfree(dai); | |
9115171a | 3934 | } |
9115171a MB |
3935 | |
3936 | /** | |
3937 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core | |
3938 | * | |
ac11a2b3 MB |
3939 | * @dai: Array of DAIs to register |
3940 | * @count: Number of DAIs | |
9115171a | 3941 | */ |
f53179c0 | 3942 | static int snd_soc_register_dais(struct device *dev, |
f0fba2ad | 3943 | struct snd_soc_dai_driver *dai_drv, size_t count) |
9115171a | 3944 | { |
054880fe | 3945 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3946 | struct snd_soc_dai *dai; |
3947 | int i, ret = 0; | |
3948 | ||
f110bfc7 | 3949 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
3950 | |
3951 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
3952 | |
3953 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3954 | if (dai == NULL) { |
3955 | ret = -ENOMEM; | |
3956 | goto err; | |
3957 | } | |
f0fba2ad LG |
3958 | |
3959 | /* create DAI component name */ | |
3960 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3961 | if (dai->name == NULL) { | |
3962 | kfree(dai); | |
3963 | ret = -EINVAL; | |
9115171a | 3964 | goto err; |
f0fba2ad LG |
3965 | } |
3966 | ||
3967 | dai->dev = dev; | |
f0fba2ad | 3968 | dai->driver = &dai_drv[i]; |
0f9141c9 MB |
3969 | if (dai->driver->id) |
3970 | dai->id = dai->driver->id; | |
3971 | else | |
3972 | dai->id = i; | |
be09ad90 | 3973 | dai->dapm.dev = dev; |
f0fba2ad LG |
3974 | if (!dai->driver->ops) |
3975 | dai->driver->ops = &null_dai_ops; | |
3976 | ||
3977 | mutex_lock(&client_mutex); | |
054880fe MB |
3978 | |
3979 | list_for_each_entry(codec, &codec_list, list) { | |
3980 | if (codec->dev == dev) { | |
10e8aa9a MM |
3981 | dev_dbg(dev, |
3982 | "ASoC: Mapped DAI %s to CODEC %s\n", | |
3983 | dai->name, codec->name); | |
054880fe MB |
3984 | dai->codec = codec; |
3985 | break; | |
3986 | } | |
3987 | } | |
3988 | ||
5f800080 PU |
3989 | if (!dai->codec) |
3990 | dai->dapm.idle_bias_off = 1; | |
3991 | ||
f0fba2ad | 3992 | list_add(&dai->list, &dai_list); |
054880fe | 3993 | |
f0fba2ad LG |
3994 | mutex_unlock(&client_mutex); |
3995 | ||
f110bfc7 | 3996 | dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3997 | } |
3998 | ||
3999 | return 0; | |
4000 | ||
4001 | err: | |
4002 | for (i--; i >= 0; i--) | |
f0fba2ad | 4003 | snd_soc_unregister_dai(dev); |
9115171a MB |
4004 | |
4005 | return ret; | |
4006 | } | |
9115171a MB |
4007 | |
4008 | /** | |
4009 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core | |
4010 | * | |
ac11a2b3 MB |
4011 | * @dai: Array of DAIs to unregister |
4012 | * @count: Number of DAIs | |
9115171a | 4013 | */ |
f53179c0 | 4014 | static void snd_soc_unregister_dais(struct device *dev, size_t count) |
9115171a MB |
4015 | { |
4016 | int i; | |
4017 | ||
4018 | for (i = 0; i < count; i++) | |
f0fba2ad | 4019 | snd_soc_unregister_dai(dev); |
9115171a | 4020 | } |
9115171a | 4021 | |
12a48a8c | 4022 | /** |
71a45cda LPC |
4023 | * snd_soc_add_platform - Add a platform to the ASoC core |
4024 | * @dev: The parent device for the platform | |
4025 | * @platform: The platform to add | |
4026 | * @platform_driver: The driver for the platform | |
12a48a8c | 4027 | */ |
71a45cda | 4028 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4029 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4030 | { |
f0fba2ad LG |
4031 | /* create platform component name */ |
4032 | platform->name = fmt_single_name(dev, &platform->id); | |
b5c745fb | 4033 | if (platform->name == NULL) |
f0fba2ad | 4034 | return -ENOMEM; |
12a48a8c | 4035 | |
f0fba2ad LG |
4036 | platform->dev = dev; |
4037 | platform->driver = platform_drv; | |
b7950641 LG |
4038 | platform->dapm.dev = dev; |
4039 | platform->dapm.platform = platform; | |
64a648c2 | 4040 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 4041 | mutex_init(&platform->mutex); |
12a48a8c MB |
4042 | |
4043 | mutex_lock(&client_mutex); | |
4044 | list_add(&platform->list, &platform_list); | |
4045 | mutex_unlock(&client_mutex); | |
4046 | ||
f110bfc7 | 4047 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
4048 | |
4049 | return 0; | |
4050 | } | |
71a45cda | 4051 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4052 | |
4053 | /** | |
71a45cda | 4054 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4055 | * |
71a45cda | 4056 | * @platform: platform to register |
12a48a8c | 4057 | */ |
71a45cda LPC |
4058 | int snd_soc_register_platform(struct device *dev, |
4059 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4060 | { |
f0fba2ad | 4061 | struct snd_soc_platform *platform; |
71a45cda | 4062 | int ret; |
f0fba2ad | 4063 | |
71a45cda | 4064 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4065 | |
71a45cda LPC |
4066 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4067 | if (platform == NULL) | |
4068 | return -ENOMEM; | |
4069 | ||
4070 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4071 | if (ret) | |
4072 | kfree(platform); | |
4073 | ||
4074 | return ret; | |
4075 | } | |
4076 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4077 | ||
4078 | /** | |
4079 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4080 | * @platform: the platform to remove | |
4081 | */ | |
4082 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4083 | { | |
12a48a8c MB |
4084 | mutex_lock(&client_mutex); |
4085 | list_del(&platform->list); | |
4086 | mutex_unlock(&client_mutex); | |
4087 | ||
71a45cda LPC |
4088 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
4089 | platform->name); | |
f0fba2ad | 4090 | kfree(platform->name); |
71a45cda LPC |
4091 | } |
4092 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4093 | ||
4094 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4095 | { | |
4096 | struct snd_soc_platform *platform; | |
4097 | ||
4098 | list_for_each_entry(platform, &platform_list, list) { | |
4099 | if (dev == platform->dev) | |
4100 | return platform; | |
4101 | } | |
4102 | ||
4103 | return NULL; | |
4104 | } | |
4105 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4106 | ||
4107 | /** | |
4108 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4109 | * | |
4110 | * @platform: platform to unregister | |
4111 | */ | |
4112 | void snd_soc_unregister_platform(struct device *dev) | |
4113 | { | |
4114 | struct snd_soc_platform *platform; | |
4115 | ||
4116 | platform = snd_soc_lookup_platform(dev); | |
4117 | if (!platform) | |
4118 | return; | |
4119 | ||
4120 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4121 | kfree(platform); |
12a48a8c MB |
4122 | } |
4123 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4124 | ||
151ab22c MB |
4125 | static u64 codec_format_map[] = { |
4126 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4127 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4128 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4129 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4130 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4131 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4132 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4133 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4134 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4135 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4136 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4137 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4138 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4139 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4140 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4141 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4142 | }; | |
4143 | ||
4144 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4145 | * the endianness of the data but we're using the CPU format | |
4146 | * definitions which do need to include endianness so we ensure that | |
4147 | * codec DAIs always have both big and little endian variants set. | |
4148 | */ | |
4149 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4150 | { | |
4151 | int i; | |
4152 | ||
4153 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4154 | if (stream->formats & codec_format_map[i]) | |
4155 | stream->formats |= codec_format_map[i]; | |
4156 | } | |
4157 | ||
0d0cf00a MB |
4158 | /** |
4159 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4160 | * | |
ac11a2b3 | 4161 | * @codec: codec to register |
0d0cf00a | 4162 | */ |
f0fba2ad | 4163 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4164 | const struct snd_soc_codec_driver *codec_drv, |
4165 | struct snd_soc_dai_driver *dai_drv, | |
4166 | int num_dai) | |
0d0cf00a | 4167 | { |
3335ddca | 4168 | size_t reg_size; |
f0fba2ad LG |
4169 | struct snd_soc_codec *codec; |
4170 | int ret, i; | |
151ab22c | 4171 | |
f0fba2ad LG |
4172 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4173 | ||
4174 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4175 | if (codec == NULL) | |
4176 | return -ENOMEM; | |
0d0cf00a | 4177 | |
f0fba2ad LG |
4178 | /* create CODEC component name */ |
4179 | codec->name = fmt_single_name(dev, &codec->id); | |
4180 | if (codec->name == NULL) { | |
f790b94d KM |
4181 | ret = -ENOMEM; |
4182 | goto fail_codec; | |
f0fba2ad LG |
4183 | } |
4184 | ||
23bbce34 DP |
4185 | if (codec_drv->compress_type) |
4186 | codec->compress_type = codec_drv->compress_type; | |
4187 | else | |
4188 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; | |
4189 | ||
c3acec26 MB |
4190 | codec->write = codec_drv->write; |
4191 | codec->read = codec_drv->read; | |
1500b7b5 DP |
4192 | codec->volatile_register = codec_drv->volatile_register; |
4193 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 4194 | codec->writable_register = codec_drv->writable_register; |
5124e69e | 4195 | codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4196 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4197 | codec->dapm.dev = dev; | |
4198 | codec->dapm.codec = codec; | |
474b62d6 | 4199 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4200 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4201 | codec->dev = dev; |
4202 | codec->driver = codec_drv; | |
4203 | codec->num_dai = num_dai; | |
4204 | mutex_init(&codec->mutex); | |
ce6120cc | 4205 | |
f0fba2ad LG |
4206 | /* allocate CODEC register cache */ |
4207 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { | |
3335ddca | 4208 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
aea170a0 | 4209 | codec->reg_size = reg_size; |
3335ddca DP |
4210 | /* it is necessary to make a copy of the default register cache |
4211 | * because in the case of using a compression type that requires | |
f6e65744 | 4212 | * the default register cache to be marked as the |
3335ddca DP |
4213 | * kernel might have freed the array by the time we initialize |
4214 | * the cache. | |
4215 | */ | |
2aa86323 DP |
4216 | if (codec_drv->reg_cache_default) { |
4217 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, | |
4218 | reg_size, GFP_KERNEL); | |
4219 | if (!codec->reg_def_copy) { | |
4220 | ret = -ENOMEM; | |
f790b94d | 4221 | goto fail_codec_name; |
2aa86323 | 4222 | } |
f0fba2ad | 4223 | } |
151ab22c MB |
4224 | } |
4225 | ||
1500b7b5 DP |
4226 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
4227 | if (!codec->volatile_register) | |
4228 | codec->volatile_register = snd_soc_default_volatile_register; | |
4229 | if (!codec->readable_register) | |
4230 | codec->readable_register = snd_soc_default_readable_register; | |
8020454c DP |
4231 | if (!codec->writable_register) |
4232 | codec->writable_register = snd_soc_default_writable_register; | |
1500b7b5 DP |
4233 | } |
4234 | ||
f0fba2ad LG |
4235 | for (i = 0; i < num_dai; i++) { |
4236 | fixup_codec_formats(&dai_drv[i].playback); | |
4237 | fixup_codec_formats(&dai_drv[i].capture); | |
4238 | } | |
4239 | ||
054880fe MB |
4240 | mutex_lock(&client_mutex); |
4241 | list_add(&codec->list, &codec_list); | |
4242 | mutex_unlock(&client_mutex); | |
4243 | ||
26b01ccd | 4244 | /* register any DAIs */ |
5acd7dfb KM |
4245 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); |
4246 | if (ret < 0) { | |
4247 | dev_err(codec->dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4248 | goto fail_codec_name; | |
26b01ccd | 4249 | } |
f0fba2ad | 4250 | |
f110bfc7 | 4251 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4252 | return 0; |
f0fba2ad | 4253 | |
f790b94d | 4254 | fail_codec_name: |
e1328a83 KM |
4255 | mutex_lock(&client_mutex); |
4256 | list_del(&codec->list); | |
4257 | mutex_unlock(&client_mutex); | |
4258 | ||
f0fba2ad | 4259 | kfree(codec->name); |
f790b94d | 4260 | fail_codec: |
f0fba2ad LG |
4261 | kfree(codec); |
4262 | return ret; | |
0d0cf00a MB |
4263 | } |
4264 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4265 | ||
4266 | /** | |
4267 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4268 | * | |
ac11a2b3 | 4269 | * @codec: codec to unregister |
0d0cf00a | 4270 | */ |
f0fba2ad | 4271 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4272 | { |
f0fba2ad | 4273 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4274 | |
4275 | list_for_each_entry(codec, &codec_list, list) { | |
4276 | if (dev == codec->dev) | |
4277 | goto found; | |
4278 | } | |
4279 | return; | |
4280 | ||
4281 | found: | |
5acd7dfb | 4282 | snd_soc_unregister_dais(dev, codec->num_dai); |
f0fba2ad | 4283 | |
0d0cf00a MB |
4284 | mutex_lock(&client_mutex); |
4285 | list_del(&codec->list); | |
4286 | mutex_unlock(&client_mutex); | |
4287 | ||
f110bfc7 | 4288 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4289 | |
7a30a3db | 4290 | snd_soc_cache_exit(codec); |
3335ddca | 4291 | kfree(codec->reg_def_copy); |
1aafcd4d | 4292 | kfree(codec->name); |
f0fba2ad | 4293 | kfree(codec); |
0d0cf00a MB |
4294 | } |
4295 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4296 | ||
030e79f6 KM |
4297 | |
4298 | /** | |
4299 | * snd_soc_register_component - Register a component with the ASoC core | |
4300 | * | |
4301 | */ | |
4302 | int snd_soc_register_component(struct device *dev, | |
4303 | const struct snd_soc_component_driver *cmpnt_drv, | |
4304 | struct snd_soc_dai_driver *dai_drv, | |
4305 | int num_dai) | |
4306 | { | |
4307 | struct snd_soc_component *cmpnt; | |
4308 | int ret; | |
4309 | ||
4310 | dev_dbg(dev, "component register %s\n", dev_name(dev)); | |
4311 | ||
4312 | cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); | |
4313 | if (!cmpnt) { | |
4314 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4315 | return -ENOMEM; | |
4316 | } | |
4317 | ||
4318 | cmpnt->name = fmt_single_name(dev, &cmpnt->id); | |
4319 | if (!cmpnt->name) { | |
4320 | dev_err(dev, "ASoC: Failed to simplifying name\n"); | |
4321 | return -ENOMEM; | |
4322 | } | |
4323 | ||
4324 | cmpnt->dev = dev; | |
4325 | cmpnt->driver = cmpnt_drv; | |
4326 | cmpnt->num_dai = num_dai; | |
4327 | ||
a1422b8c KM |
4328 | /* |
4329 | * snd_soc_register_dai() uses fmt_single_name(), and | |
4330 | * snd_soc_register_dais() uses fmt_multiple_name() | |
4331 | * for dai->name which is used for name based matching | |
4332 | */ | |
4333 | if (1 == num_dai) | |
4334 | ret = snd_soc_register_dai(dev, dai_drv); | |
4335 | else | |
4336 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); | |
030e79f6 KM |
4337 | if (ret < 0) { |
4338 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4339 | goto error_component_name; | |
4340 | } | |
4341 | ||
4342 | mutex_lock(&client_mutex); | |
4343 | list_add(&cmpnt->list, &component_list); | |
4344 | mutex_unlock(&client_mutex); | |
4345 | ||
4346 | dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); | |
4347 | ||
4348 | return ret; | |
4349 | ||
4350 | error_component_name: | |
4351 | kfree(cmpnt->name); | |
4352 | ||
4353 | return ret; | |
4354 | } | |
2e1cc199 | 4355 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
030e79f6 KM |
4356 | |
4357 | /** | |
4358 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4359 | * | |
4360 | */ | |
4361 | void snd_soc_unregister_component(struct device *dev) | |
4362 | { | |
4363 | struct snd_soc_component *cmpnt; | |
4364 | ||
4365 | list_for_each_entry(cmpnt, &component_list, list) { | |
4366 | if (dev == cmpnt->dev) | |
4367 | goto found; | |
4368 | } | |
4369 | return; | |
4370 | ||
4371 | found: | |
4372 | snd_soc_unregister_dais(dev, cmpnt->num_dai); | |
4373 | ||
4374 | mutex_lock(&client_mutex); | |
4375 | list_del(&cmpnt->list); | |
4376 | mutex_unlock(&client_mutex); | |
4377 | ||
4378 | dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); | |
4379 | kfree(cmpnt->name); | |
4380 | } | |
2e1cc199 | 4381 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); |
030e79f6 | 4382 | |
bec4fa05 SW |
4383 | /* Retrieve a card's name from device tree */ |
4384 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4385 | const char *propname) | |
4386 | { | |
4387 | struct device_node *np = card->dev->of_node; | |
4388 | int ret; | |
4389 | ||
4390 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4391 | /* | |
4392 | * EINVAL means the property does not exist. This is fine providing | |
4393 | * card->name was previously set, which is checked later in | |
4394 | * snd_soc_register_card. | |
4395 | */ | |
4396 | if (ret < 0 && ret != -EINVAL) { | |
4397 | dev_err(card->dev, | |
f110bfc7 | 4398 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4399 | propname, ret); |
4400 | return ret; | |
4401 | } | |
4402 | ||
4403 | return 0; | |
4404 | } | |
4405 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4406 | ||
a4a54dd5 SW |
4407 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4408 | const char *propname) | |
4409 | { | |
4410 | struct device_node *np = card->dev->of_node; | |
4411 | int num_routes; | |
4412 | struct snd_soc_dapm_route *routes; | |
4413 | int i, ret; | |
4414 | ||
4415 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4416 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4417 | dev_err(card->dev, |
4418 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4419 | propname); | |
a4a54dd5 SW |
4420 | return -EINVAL; |
4421 | } | |
4422 | num_routes /= 2; | |
4423 | if (!num_routes) { | |
f110bfc7 | 4424 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4425 | propname); |
4426 | return -EINVAL; | |
4427 | } | |
4428 | ||
4429 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4430 | GFP_KERNEL); | |
4431 | if (!routes) { | |
4432 | dev_err(card->dev, | |
f110bfc7 | 4433 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4434 | return -EINVAL; |
4435 | } | |
4436 | ||
4437 | for (i = 0; i < num_routes; i++) { | |
4438 | ret = of_property_read_string_index(np, propname, | |
4439 | 2 * i, &routes[i].sink); | |
4440 | if (ret) { | |
c871bd0b MB |
4441 | dev_err(card->dev, |
4442 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4443 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4444 | return -EINVAL; |
4445 | } | |
4446 | ret = of_property_read_string_index(np, propname, | |
4447 | (2 * i) + 1, &routes[i].source); | |
4448 | if (ret) { | |
4449 | dev_err(card->dev, | |
c871bd0b MB |
4450 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4451 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4452 | return -EINVAL; |
4453 | } | |
4454 | } | |
4455 | ||
4456 | card->num_dapm_routes = num_routes; | |
4457 | card->dapm_routes = routes; | |
4458 | ||
4459 | return 0; | |
4460 | } | |
4461 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4462 | ||
a7930ed4 KM |
4463 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
4464 | const char *prefix) | |
4465 | { | |
4466 | int ret, i; | |
4467 | char prop[128]; | |
4468 | unsigned int format = 0; | |
4469 | int bit, frame; | |
4470 | const char *str; | |
4471 | struct { | |
4472 | char *name; | |
4473 | unsigned int val; | |
4474 | } of_fmt_table[] = { | |
4475 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4476 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4477 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4478 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4479 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4480 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4481 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4482 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4483 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4484 | }; |
4485 | ||
4486 | if (!prefix) | |
4487 | prefix = ""; | |
4488 | ||
4489 | /* | |
4490 | * check "[prefix]format = xxx" | |
4491 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4492 | */ | |
4493 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4494 | ret = of_property_read_string(np, prop, &str); | |
4495 | if (ret == 0) { | |
4496 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4497 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4498 | format |= of_fmt_table[i].val; | |
4499 | break; | |
4500 | } | |
4501 | } | |
4502 | } | |
4503 | ||
4504 | /* | |
8c2d6a9f | 4505 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4506 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4507 | */ | |
8c2d6a9f KM |
4508 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4509 | if (of_get_property(np, prop, NULL)) | |
4510 | format |= SND_SOC_DAIFMT_CONT; | |
4511 | else | |
4512 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4513 | |
4514 | /* | |
4515 | * check "[prefix]bitclock-inversion" | |
4516 | * check "[prefix]frame-inversion" | |
4517 | * SND_SOC_DAIFMT_INV_MASK area | |
4518 | */ | |
4519 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4520 | bit = !!of_get_property(np, prop, NULL); | |
4521 | ||
4522 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4523 | frame = !!of_get_property(np, prop, NULL); | |
4524 | ||
4525 | switch ((bit << 4) + frame) { | |
4526 | case 0x11: | |
4527 | format |= SND_SOC_DAIFMT_IB_IF; | |
4528 | break; | |
4529 | case 0x10: | |
4530 | format |= SND_SOC_DAIFMT_IB_NF; | |
4531 | break; | |
4532 | case 0x01: | |
4533 | format |= SND_SOC_DAIFMT_NB_IF; | |
4534 | break; | |
4535 | default: | |
4536 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4537 | break; | |
4538 | } | |
4539 | ||
4540 | /* | |
4541 | * check "[prefix]bitclock-master" | |
4542 | * check "[prefix]frame-master" | |
4543 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4544 | */ | |
4545 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4546 | bit = !!of_get_property(np, prop, NULL); | |
4547 | ||
4548 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4549 | frame = !!of_get_property(np, prop, NULL); | |
4550 | ||
4551 | switch ((bit << 4) + frame) { | |
4552 | case 0x11: | |
4553 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4554 | break; | |
4555 | case 0x10: | |
4556 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4557 | break; | |
4558 | case 0x01: | |
4559 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4560 | break; | |
4561 | default: | |
4562 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4563 | break; | |
4564 | } | |
4565 | ||
4566 | return format; | |
4567 | } | |
4568 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4569 | ||
c9b3a40f | 4570 | static int __init snd_soc_init(void) |
db2a4165 | 4571 | { |
384c89e2 | 4572 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4573 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4574 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4575 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4576 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4577 | } |
c3c5a19a | 4578 | |
8a9dab1a | 4579 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4580 | &codec_list_fops)) |
4581 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4582 | ||
8a9dab1a | 4583 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4584 | &dai_list_fops)) |
4585 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4586 | |
8a9dab1a | 4587 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4588 | &platform_list_fops)) |
4589 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4590 | #endif |
4591 | ||
fb257897 MB |
4592 | snd_soc_util_init(); |
4593 | ||
db2a4165 FM |
4594 | return platform_driver_register(&soc_driver); |
4595 | } | |
4abe8e16 | 4596 | module_init(snd_soc_init); |
db2a4165 | 4597 | |
7d8c16a6 | 4598 | static void __exit snd_soc_exit(void) |
db2a4165 | 4599 | { |
fb257897 MB |
4600 | snd_soc_util_exit(); |
4601 | ||
384c89e2 | 4602 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4603 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4604 | #endif |
3ff3f64b | 4605 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4606 | } |
db2a4165 FM |
4607 | module_exit(snd_soc_exit); |
4608 | ||
4609 | /* Module information */ | |
d331124d | 4610 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4611 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4612 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4613 | MODULE_ALIAS("platform:soc-audio"); |