Commit | Line | Data |
---|---|---|
db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
741a509f MP |
37 | #include <linux/gpio.h> |
38 | #include <linux/of_gpio.h> | |
474828a4 | 39 | #include <sound/ac97_codec.h> |
db2a4165 | 40 | #include <sound/core.h> |
3028eb8c | 41 | #include <sound/jack.h> |
db2a4165 FM |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
01d7584c | 45 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
46 | #include <sound/initval.h> |
47 | ||
a8b1d34f MB |
48 | #define CREATE_TRACE_POINTS |
49 | #include <trace/events/asoc.h> | |
50 | ||
f0fba2ad LG |
51 | #define NAME_SIZE 32 |
52 | ||
384c89e2 | 53 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
54 | struct dentry *snd_soc_debugfs_root; |
55 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
56 | #endif |
57 | ||
c5af3a2e | 58 | static DEFINE_MUTEX(client_mutex); |
12a48a8c | 59 | static LIST_HEAD(platform_list); |
0d0cf00a | 60 | static LIST_HEAD(codec_list); |
030e79f6 | 61 | static LIST_HEAD(component_list); |
c5af3a2e | 62 | |
db2a4165 FM |
63 | /* |
64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
65 | * It can be used to eliminate pops between different playback streams, e.g. | |
66 | * between two audio tracks. | |
67 | */ | |
68 | static int pmdown_time = 5000; | |
69 | module_param(pmdown_time, int, 0); | |
70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
71 | ||
741a509f MP |
72 | struct snd_ac97_reset_cfg { |
73 | struct pinctrl *pctl; | |
74 | struct pinctrl_state *pstate_reset; | |
75 | struct pinctrl_state *pstate_warm_reset; | |
76 | struct pinctrl_state *pstate_run; | |
77 | int gpio_sdata; | |
78 | int gpio_sync; | |
79 | int gpio_reset; | |
80 | }; | |
81 | ||
2bc9a81e DP |
82 | /* returns the minimum number of bytes needed to represent |
83 | * a particular given value */ | |
84 | static int min_bytes_needed(unsigned long val) | |
85 | { | |
86 | int c = 0; | |
87 | int i; | |
88 | ||
89 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
90 | if (val & (1UL << i)) | |
91 | break; | |
92 | c = (sizeof val * 8) - c; | |
93 | if (!c || (c % 8)) | |
94 | c = (c + 8) / 8; | |
95 | else | |
96 | c /= 8; | |
97 | return c; | |
98 | } | |
99 | ||
13fd179f DP |
100 | /* fill buf which is 'len' bytes with a formatted |
101 | * string of the form 'reg: value\n' */ | |
102 | static int format_register_str(struct snd_soc_codec *codec, | |
103 | unsigned int reg, char *buf, size_t len) | |
104 | { | |
00b317a4 SW |
105 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
106 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
107 | int ret; |
108 | char tmpbuf[len + 1]; | |
109 | char regbuf[regsize + 1]; | |
110 | ||
111 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
112 | * try to abuse this function */ | |
113 | WARN_ON(len > 63); | |
114 | ||
115 | /* +2 for ': ' and + 1 for '\n' */ | |
116 | if (wordsize + regsize + 2 + 1 != len) | |
117 | return -EINVAL; | |
118 | ||
25032c11 | 119 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
120 | if (ret < 0) { |
121 | memset(regbuf, 'X', regsize); | |
122 | regbuf[regsize] = '\0'; | |
123 | } else { | |
124 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
125 | } | |
126 | ||
127 | /* prepare the buffer */ | |
128 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
129 | /* copy it back to the caller without the '\0' */ | |
130 | memcpy(buf, tmpbuf, len); | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
2624d5fa | 135 | /* codec register dump */ |
13fd179f DP |
136 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
137 | size_t count, loff_t pos) | |
2624d5fa | 138 | { |
13fd179f | 139 | int i, step = 1; |
2bc9a81e | 140 | int wordsize, regsize; |
13fd179f DP |
141 | int len; |
142 | size_t total = 0; | |
143 | loff_t p = 0; | |
2bc9a81e | 144 | |
00b317a4 SW |
145 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
146 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 147 | |
13fd179f DP |
148 | len = wordsize + regsize + 2 + 1; |
149 | ||
f0fba2ad | 150 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
151 | return 0; |
152 | ||
f0fba2ad LG |
153 | if (codec->driver->reg_cache_step) |
154 | step = codec->driver->reg_cache_step; | |
2624d5fa | 155 | |
f0fba2ad | 156 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
b92d150b | 157 | if (!snd_soc_codec_readable_register(codec, i)) |
2624d5fa | 158 | continue; |
f0fba2ad LG |
159 | if (codec->driver->display_register) { |
160 | count += codec->driver->display_register(codec, buf + count, | |
2624d5fa | 161 | PAGE_SIZE - count, i); |
5164d74d | 162 | } else { |
13fd179f DP |
163 | /* only support larger than PAGE_SIZE bytes debugfs |
164 | * entries for the default case */ | |
165 | if (p >= pos) { | |
166 | if (total + len >= count - 1) | |
167 | break; | |
168 | format_register_str(codec, i, buf + total, len); | |
169 | total += len; | |
170 | } | |
171 | p += len; | |
5164d74d | 172 | } |
2624d5fa MB |
173 | } |
174 | ||
13fd179f | 175 | total = min(total, count - 1); |
2624d5fa | 176 | |
13fd179f | 177 | return total; |
2624d5fa | 178 | } |
13fd179f | 179 | |
2624d5fa MB |
180 | static ssize_t codec_reg_show(struct device *dev, |
181 | struct device_attribute *attr, char *buf) | |
182 | { | |
36ae1a96 | 183 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 184 | |
13fd179f | 185 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
186 | } |
187 | ||
188 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
189 | ||
dbe21408 MB |
190 | static ssize_t pmdown_time_show(struct device *dev, |
191 | struct device_attribute *attr, char *buf) | |
192 | { | |
36ae1a96 | 193 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 194 | |
f0fba2ad | 195 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
196 | } |
197 | ||
198 | static ssize_t pmdown_time_set(struct device *dev, | |
199 | struct device_attribute *attr, | |
200 | const char *buf, size_t count) | |
201 | { | |
36ae1a96 | 202 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 203 | int ret; |
dbe21408 | 204 | |
b785a492 | 205 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
206 | if (ret) |
207 | return ret; | |
dbe21408 MB |
208 | |
209 | return count; | |
210 | } | |
211 | ||
212 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
213 | ||
2624d5fa | 214 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 215 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 216 | size_t count, loff_t *ppos) |
2624d5fa MB |
217 | { |
218 | ssize_t ret; | |
219 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
220 | char *buf; |
221 | ||
222 | if (*ppos < 0 || !count) | |
223 | return -EINVAL; | |
224 | ||
225 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
226 | if (!buf) |
227 | return -ENOMEM; | |
13fd179f DP |
228 | |
229 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
230 | if (ret >= 0) { | |
231 | if (copy_to_user(user_buf, buf, ret)) { | |
232 | kfree(buf); | |
233 | return -EFAULT; | |
234 | } | |
235 | *ppos += ret; | |
236 | } | |
237 | ||
2624d5fa MB |
238 | kfree(buf); |
239 | return ret; | |
240 | } | |
241 | ||
242 | static ssize_t codec_reg_write_file(struct file *file, | |
243 | const char __user *user_buf, size_t count, loff_t *ppos) | |
244 | { | |
245 | char buf[32]; | |
34e268d8 | 246 | size_t buf_size; |
2624d5fa MB |
247 | char *start = buf; |
248 | unsigned long reg, value; | |
2624d5fa | 249 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 250 | int ret; |
2624d5fa MB |
251 | |
252 | buf_size = min(count, (sizeof(buf)-1)); | |
253 | if (copy_from_user(buf, user_buf, buf_size)) | |
254 | return -EFAULT; | |
255 | buf[buf_size] = 0; | |
2624d5fa MB |
256 | |
257 | while (*start == ' ') | |
258 | start++; | |
259 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
260 | while (*start == ' ') |
261 | start++; | |
b785a492 JH |
262 | ret = kstrtoul(start, 16, &value); |
263 | if (ret) | |
264 | return ret; | |
0d51a9cb MB |
265 | |
266 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 267 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 268 | |
e4f078d8 | 269 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
270 | return buf_size; |
271 | } | |
272 | ||
273 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 274 | .open = simple_open, |
2624d5fa MB |
275 | .read = codec_reg_read_file, |
276 | .write = codec_reg_write_file, | |
6038f373 | 277 | .llseek = default_llseek, |
2624d5fa MB |
278 | }; |
279 | ||
280 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
281 | { | |
d6ce4cf3 JN |
282 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
283 | ||
284 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, | |
285 | debugfs_card_root); | |
2624d5fa | 286 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
287 | dev_warn(codec->dev, |
288 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
289 | return; |
290 | } | |
291 | ||
aaee8ef1 MB |
292 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
293 | &codec->cache_sync); | |
294 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
295 | &codec->cache_only); | |
296 | ||
2624d5fa MB |
297 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
298 | codec->debugfs_codec_root, | |
299 | codec, &codec_reg_fops); | |
300 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
301 | dev_warn(codec->dev, |
302 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 303 | |
8eecaf62 | 304 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
305 | } |
306 | ||
307 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
308 | { | |
309 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
310 | } | |
311 | ||
731f1ab2 SG |
312 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
313 | { | |
314 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
315 | ||
316 | platform->debugfs_platform_root = debugfs_create_dir(platform->name, | |
317 | debugfs_card_root); | |
318 | if (!platform->debugfs_platform_root) { | |
319 | dev_warn(platform->dev, | |
f110bfc7 | 320 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
321 | return; |
322 | } | |
323 | ||
324 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
325 | platform->debugfs_platform_root); | |
326 | } | |
327 | ||
328 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
329 | { | |
330 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
331 | } | |
332 | ||
c3c5a19a MB |
333 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
334 | size_t count, loff_t *ppos) | |
335 | { | |
336 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 337 | ssize_t len, ret = 0; |
c3c5a19a MB |
338 | struct snd_soc_codec *codec; |
339 | ||
340 | if (!buf) | |
341 | return -ENOMEM; | |
342 | ||
2b194f9d MB |
343 | list_for_each_entry(codec, &codec_list, list) { |
344 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
345 | codec->name); | |
346 | if (len >= 0) | |
347 | ret += len; | |
348 | if (ret > PAGE_SIZE) { | |
349 | ret = PAGE_SIZE; | |
350 | break; | |
351 | } | |
352 | } | |
c3c5a19a MB |
353 | |
354 | if (ret >= 0) | |
355 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
356 | ||
357 | kfree(buf); | |
358 | ||
359 | return ret; | |
360 | } | |
361 | ||
362 | static const struct file_operations codec_list_fops = { | |
363 | .read = codec_list_read_file, | |
364 | .llseek = default_llseek,/* read accesses f_pos */ | |
365 | }; | |
366 | ||
f3208780 MB |
367 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
368 | size_t count, loff_t *ppos) | |
369 | { | |
370 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 371 | ssize_t len, ret = 0; |
1438c2f6 | 372 | struct snd_soc_component *component; |
f3208780 MB |
373 | struct snd_soc_dai *dai; |
374 | ||
375 | if (!buf) | |
376 | return -ENOMEM; | |
377 | ||
1438c2f6 LPC |
378 | list_for_each_entry(component, &component_list, list) { |
379 | list_for_each_entry(dai, &component->dai_list, list) { | |
380 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
381 | dai->name); | |
382 | if (len >= 0) | |
383 | ret += len; | |
384 | if (ret > PAGE_SIZE) { | |
385 | ret = PAGE_SIZE; | |
386 | break; | |
387 | } | |
2b194f9d MB |
388 | } |
389 | } | |
f3208780 | 390 | |
2b194f9d | 391 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
392 | |
393 | kfree(buf); | |
394 | ||
395 | return ret; | |
396 | } | |
397 | ||
398 | static const struct file_operations dai_list_fops = { | |
399 | .read = dai_list_read_file, | |
400 | .llseek = default_llseek,/* read accesses f_pos */ | |
401 | }; | |
402 | ||
19c7ac27 MB |
403 | static ssize_t platform_list_read_file(struct file *file, |
404 | char __user *user_buf, | |
405 | size_t count, loff_t *ppos) | |
406 | { | |
407 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 408 | ssize_t len, ret = 0; |
19c7ac27 MB |
409 | struct snd_soc_platform *platform; |
410 | ||
411 | if (!buf) | |
412 | return -ENOMEM; | |
413 | ||
2b194f9d MB |
414 | list_for_each_entry(platform, &platform_list, list) { |
415 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
416 | platform->name); | |
417 | if (len >= 0) | |
418 | ret += len; | |
419 | if (ret > PAGE_SIZE) { | |
420 | ret = PAGE_SIZE; | |
421 | break; | |
422 | } | |
423 | } | |
19c7ac27 | 424 | |
2b194f9d | 425 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
426 | |
427 | kfree(buf); | |
428 | ||
429 | return ret; | |
430 | } | |
431 | ||
432 | static const struct file_operations platform_list_fops = { | |
433 | .read = platform_list_read_file, | |
434 | .llseek = default_llseek,/* read accesses f_pos */ | |
435 | }; | |
436 | ||
a6052154 JN |
437 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
438 | { | |
439 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 440 | snd_soc_debugfs_root); |
3a45b867 | 441 | if (!card->debugfs_card_root) { |
a6052154 | 442 | dev_warn(card->dev, |
7c08be84 | 443 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
444 | return; |
445 | } | |
446 | ||
447 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
448 | card->debugfs_card_root, | |
449 | &card->pop_time); | |
450 | if (!card->debugfs_pop_time) | |
451 | dev_warn(card->dev, | |
f110bfc7 | 452 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
453 | } |
454 | ||
455 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
456 | { | |
457 | debugfs_remove_recursive(card->debugfs_card_root); | |
458 | } | |
459 | ||
2624d5fa MB |
460 | #else |
461 | ||
462 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
463 | { | |
464 | } | |
465 | ||
466 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
467 | { | |
468 | } | |
b95fccbc | 469 | |
731f1ab2 SG |
470 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
471 | { | |
472 | } | |
473 | ||
474 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
475 | { | |
476 | } | |
477 | ||
b95fccbc AL |
478 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
479 | { | |
480 | } | |
481 | ||
482 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
483 | { | |
484 | } | |
2624d5fa MB |
485 | #endif |
486 | ||
47c88fff LG |
487 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
488 | const char *dai_link, int stream) | |
489 | { | |
490 | int i; | |
491 | ||
492 | for (i = 0; i < card->num_links; i++) { | |
493 | if (card->rtd[i].dai_link->no_pcm && | |
494 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
495 | return card->rtd[i].pcm->streams[stream].substream; | |
496 | } | |
f110bfc7 | 497 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
498 | return NULL; |
499 | } | |
500 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
501 | ||
502 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
503 | const char *dai_link) | |
504 | { | |
505 | int i; | |
506 | ||
507 | for (i = 0; i < card->num_links; i++) { | |
508 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
509 | return &card->rtd[i]; | |
510 | } | |
f110bfc7 | 511 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
512 | return NULL; |
513 | } | |
514 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
515 | ||
db2a4165 FM |
516 | #ifdef CONFIG_SND_SOC_AC97_BUS |
517 | /* unregister ac97 codec */ | |
518 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
519 | { | |
520 | if (codec->ac97->dev.bus) | |
521 | device_unregister(&codec->ac97->dev); | |
522 | return 0; | |
523 | } | |
524 | ||
525 | /* stop no dev release warning */ | |
526 | static void soc_ac97_device_release(struct device *dev){} | |
527 | ||
528 | /* register ac97 codec to bus */ | |
529 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
530 | { | |
531 | int err; | |
532 | ||
533 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 534 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
535 | codec->ac97->dev.release = soc_ac97_device_release; |
536 | ||
bb072bf0 | 537 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f0fba2ad | 538 | codec->card->snd_card->number, 0, codec->name); |
db2a4165 FM |
539 | err = device_register(&codec->ac97->dev); |
540 | if (err < 0) { | |
f110bfc7 | 541 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
542 | codec->ac97->dev.bus = NULL; |
543 | return err; | |
544 | } | |
545 | return 0; | |
546 | } | |
547 | #endif | |
548 | ||
9d58a077 RF |
549 | static void codec2codec_close_delayed_work(struct work_struct *work) |
550 | { | |
551 | /* Currently nothing to do for c2c links | |
552 | * Since c2c links are internal nodes in the DAPM graph and | |
553 | * don't interface with the outside world or application layer | |
554 | * we don't have to do any special handling on close. | |
555 | */ | |
556 | } | |
557 | ||
6f8ab4ac | 558 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 559 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 560 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 561 | { |
6f8ab4ac | 562 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 563 | struct snd_soc_codec *codec; |
db2a4165 FM |
564 | int i; |
565 | ||
e3509ff0 DM |
566 | /* If the initialization of this soc device failed, there is no codec |
567 | * associated with it. Just bail out in this case. | |
568 | */ | |
f0fba2ad | 569 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
570 | return 0; |
571 | ||
6ed25978 AG |
572 | /* Due to the resume being scheduled into a workqueue we could |
573 | * suspend before that's finished - wait for it to complete. | |
574 | */ | |
f0fba2ad LG |
575 | snd_power_lock(card->snd_card); |
576 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
577 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
578 | |
579 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 580 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 581 | |
a00f90f9 | 582 | /* mute any active DACs */ |
f0fba2ad LG |
583 | for (i = 0; i < card->num_rtd; i++) { |
584 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
585 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 586 | |
f0fba2ad | 587 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
588 | continue; |
589 | ||
f0fba2ad LG |
590 | if (drv->ops->digital_mute && dai->playback_active) |
591 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
592 | } |
593 | ||
4ccab3e7 | 594 | /* suspend all pcms */ |
f0fba2ad LG |
595 | for (i = 0; i < card->num_rtd; i++) { |
596 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
597 | continue; |
598 | ||
f0fba2ad | 599 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 600 | } |
4ccab3e7 | 601 | |
87506549 | 602 | if (card->suspend_pre) |
70b2ac12 | 603 | card->suspend_pre(card); |
db2a4165 | 604 | |
f0fba2ad LG |
605 | for (i = 0; i < card->num_rtd; i++) { |
606 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
607 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 608 | |
f0fba2ad | 609 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
610 | continue; |
611 | ||
f0fba2ad LG |
612 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
613 | cpu_dai->driver->suspend(cpu_dai); | |
614 | if (platform->driver->suspend && !platform->suspended) { | |
615 | platform->driver->suspend(cpu_dai); | |
616 | platform->suspended = 1; | |
617 | } | |
db2a4165 FM |
618 | } |
619 | ||
620 | /* close any waiting streams and save state */ | |
f0fba2ad | 621 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 622 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 623 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 624 | } |
db2a4165 | 625 | |
f0fba2ad | 626 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 627 | |
f0fba2ad | 628 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
629 | continue; |
630 | ||
7bd3a6f3 MB |
631 | snd_soc_dapm_stream_event(&card->rtd[i], |
632 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 633 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 634 | |
7bd3a6f3 MB |
635 | snd_soc_dapm_stream_event(&card->rtd[i], |
636 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 637 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
638 | } |
639 | ||
e2d32ff6 MB |
640 | /* Recheck all analogue paths too */ |
641 | dapm_mark_io_dirty(&card->dapm); | |
642 | snd_soc_dapm_sync(&card->dapm); | |
643 | ||
f0fba2ad | 644 | /* suspend all CODECs */ |
2eea392d | 645 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
646 | /* If there are paths active then the CODEC will be held with |
647 | * bias _ON and should not be suspended. */ | |
648 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 649 | switch (codec->dapm.bias_level) { |
f0fba2ad | 650 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
651 | /* |
652 | * If the CODEC is capable of idle | |
653 | * bias off then being in STANDBY | |
654 | * means it's doing something, | |
655 | * otherwise fall through. | |
656 | */ | |
657 | if (codec->dapm.idle_bias_off) { | |
658 | dev_dbg(codec->dev, | |
10e8aa9a | 659 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
660 | break; |
661 | } | |
f0fba2ad | 662 | case SND_SOC_BIAS_OFF: |
84b315ee | 663 | codec->driver->suspend(codec); |
f0fba2ad | 664 | codec->suspended = 1; |
7be4ba24 | 665 | codec->cache_sync = 1; |
da8b8e0f MB |
666 | if (codec->using_regmap) |
667 | regcache_mark_dirty(codec->control_data); | |
988e8cc4 NC |
668 | /* deactivate pins to sleep state */ |
669 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
670 | break; |
671 | default: | |
10e8aa9a MM |
672 | dev_dbg(codec->dev, |
673 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
674 | break; |
675 | } | |
1547aba9 MB |
676 | } |
677 | } | |
db2a4165 | 678 | |
f0fba2ad LG |
679 | for (i = 0; i < card->num_rtd; i++) { |
680 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 681 | |
f0fba2ad | 682 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
683 | continue; |
684 | ||
f0fba2ad LG |
685 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
686 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
687 | |
688 | /* deactivate pins to sleep state */ | |
689 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
690 | } |
691 | ||
87506549 | 692 | if (card->suspend_post) |
70b2ac12 | 693 | card->suspend_post(card); |
db2a4165 FM |
694 | |
695 | return 0; | |
696 | } | |
6f8ab4ac | 697 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 698 | |
6ed25978 AG |
699 | /* deferred resume work, so resume can complete before we finished |
700 | * setting our codec back up, which can be very slow on I2C | |
701 | */ | |
702 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 703 | { |
f0fba2ad LG |
704 | struct snd_soc_card *card = |
705 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 706 | struct snd_soc_codec *codec; |
db2a4165 FM |
707 | int i; |
708 | ||
6ed25978 AG |
709 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
710 | * so userspace apps are blocked from touching us | |
711 | */ | |
712 | ||
f110bfc7 | 713 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 714 | |
9949788b | 715 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 716 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 717 | |
87506549 | 718 | if (card->resume_pre) |
70b2ac12 | 719 | card->resume_pre(card); |
db2a4165 | 720 | |
f0fba2ad LG |
721 | /* resume AC97 DAIs */ |
722 | for (i = 0; i < card->num_rtd; i++) { | |
723 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 724 | |
f0fba2ad | 725 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
726 | continue; |
727 | ||
f0fba2ad LG |
728 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
729 | cpu_dai->driver->resume(cpu_dai); | |
730 | } | |
731 | ||
2eea392d | 732 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
733 | /* If the CODEC was idle over suspend then it will have been |
734 | * left with bias OFF or STANDBY and suspended so we must now | |
735 | * resume. Otherwise the suspend was suppressed. | |
736 | */ | |
737 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 738 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
739 | case SND_SOC_BIAS_STANDBY: |
740 | case SND_SOC_BIAS_OFF: | |
741 | codec->driver->resume(codec); | |
742 | codec->suspended = 0; | |
743 | break; | |
744 | default: | |
10e8aa9a MM |
745 | dev_dbg(codec->dev, |
746 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
747 | break; |
748 | } | |
1547aba9 MB |
749 | } |
750 | } | |
db2a4165 | 751 | |
f0fba2ad | 752 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 753 | |
f0fba2ad | 754 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
755 | continue; |
756 | ||
7bd3a6f3 | 757 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 758 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 759 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 760 | |
7bd3a6f3 | 761 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 762 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 763 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
764 | } |
765 | ||
3ff3f64b | 766 | /* unmute any active DACs */ |
f0fba2ad LG |
767 | for (i = 0; i < card->num_rtd; i++) { |
768 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
769 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 770 | |
f0fba2ad | 771 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
772 | continue; |
773 | ||
f0fba2ad LG |
774 | if (drv->ops->digital_mute && dai->playback_active) |
775 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
776 | } |
777 | ||
f0fba2ad LG |
778 | for (i = 0; i < card->num_rtd; i++) { |
779 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
780 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 781 | |
f0fba2ad | 782 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
783 | continue; |
784 | ||
f0fba2ad LG |
785 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
786 | cpu_dai->driver->resume(cpu_dai); | |
787 | if (platform->driver->resume && platform->suspended) { | |
788 | platform->driver->resume(cpu_dai); | |
789 | platform->suspended = 0; | |
790 | } | |
db2a4165 FM |
791 | } |
792 | ||
87506549 | 793 | if (card->resume_post) |
70b2ac12 | 794 | card->resume_post(card); |
db2a4165 | 795 | |
f110bfc7 | 796 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
797 | |
798 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 799 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
800 | |
801 | /* Recheck all analogue paths too */ | |
802 | dapm_mark_io_dirty(&card->dapm); | |
803 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
804 | } |
805 | ||
806 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 807 | int snd_soc_resume(struct device *dev) |
6ed25978 | 808 | { |
6f8ab4ac | 809 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 810 | int i, ac97_control = 0; |
b9dd94a8 | 811 | |
5ff1ddf2 EM |
812 | /* If the initialization of this soc device failed, there is no codec |
813 | * associated with it. Just bail out in this case. | |
814 | */ | |
815 | if (list_empty(&card->codec_dev_list)) | |
816 | return 0; | |
817 | ||
988e8cc4 NC |
818 | /* activate pins from sleep state */ |
819 | for (i = 0; i < card->num_rtd; i++) { | |
820 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
821 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
822 | if (cpu_dai->active) | |
823 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
824 | if (codec_dai->active) | |
825 | pinctrl_pm_select_default_state(codec_dai->dev); | |
826 | } | |
827 | ||
64ab9baa MB |
828 | /* AC97 devices might have other drivers hanging off them so |
829 | * need to resume immediately. Other drivers don't have that | |
830 | * problem and may take a substantial amount of time to resume | |
831 | * due to I/O costs and anti-pop so handle them out of line. | |
832 | */ | |
f0fba2ad LG |
833 | for (i = 0; i < card->num_rtd; i++) { |
834 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
835 | ac97_control |= cpu_dai->driver->ac97_control; |
836 | } | |
837 | if (ac97_control) { | |
f110bfc7 | 838 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
839 | soc_resume_deferred(&card->deferred_resume_work); |
840 | } else { | |
f110bfc7 | 841 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 842 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 843 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 844 | } |
6ed25978 | 845 | |
db2a4165 FM |
846 | return 0; |
847 | } | |
6f8ab4ac | 848 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 849 | #else |
6f8ab4ac MB |
850 | #define snd_soc_suspend NULL |
851 | #define snd_soc_resume NULL | |
db2a4165 FM |
852 | #endif |
853 | ||
85e7652d | 854 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
855 | }; |
856 | ||
f0fba2ad | 857 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 858 | { |
f0fba2ad LG |
859 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
860 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1438c2f6 | 861 | struct snd_soc_component *component; |
fe3e78e0 | 862 | struct snd_soc_codec *codec; |
435c5e25 | 863 | struct snd_soc_platform *platform; |
f0fba2ad | 864 | struct snd_soc_dai *codec_dai, *cpu_dai; |
848dd8be | 865 | const char *platform_name; |
435c5e25 | 866 | |
f110bfc7 | 867 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 868 | |
b19e6e7b | 869 | /* Find CPU DAI from registered DAIs*/ |
1438c2f6 | 870 | list_for_each_entry(component, &component_list, list) { |
bc92657a | 871 | if (dai_link->cpu_of_node && |
1438c2f6 | 872 | component->dev->of_node != dai_link->cpu_of_node) |
bc92657a SW |
873 | continue; |
874 | if (dai_link->cpu_name && | |
1438c2f6 | 875 | strcmp(dev_name(component->dev), dai_link->cpu_name)) |
bc92657a | 876 | continue; |
1438c2f6 LPC |
877 | list_for_each_entry(cpu_dai, &component->dai_list, list) { |
878 | if (dai_link->cpu_dai_name && | |
879 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
880 | continue; | |
2610ab77 | 881 | |
1438c2f6 LPC |
882 | rtd->cpu_dai = cpu_dai; |
883 | } | |
435c5e25 | 884 | } |
6308419a | 885 | |
b19e6e7b | 886 | if (!rtd->cpu_dai) { |
f110bfc7 | 887 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
888 | dai_link->cpu_dai_name); |
889 | return -EPROBE_DEFER; | |
f0fba2ad LG |
890 | } |
891 | ||
b19e6e7b | 892 | /* Find CODEC from registered CODECs */ |
f0fba2ad | 893 | list_for_each_entry(codec, &codec_list, list) { |
5a504963 SW |
894 | if (dai_link->codec_of_node) { |
895 | if (codec->dev->of_node != dai_link->codec_of_node) | |
896 | continue; | |
897 | } else { | |
898 | if (strcmp(codec->name, dai_link->codec_name)) | |
899 | continue; | |
900 | } | |
2610ab77 SW |
901 | |
902 | rtd->codec = codec; | |
903 | ||
904 | /* | |
905 | * CODEC found, so find CODEC DAI from registered DAIs from | |
906 | * this CODEC | |
907 | */ | |
1438c2f6 LPC |
908 | list_for_each_entry(codec_dai, &codec->component.dai_list, list) { |
909 | if (!strcmp(codec_dai->name, dai_link->codec_dai_name)) { | |
2610ab77 | 910 | rtd->codec_dai = codec_dai; |
1438c2f6 | 911 | break; |
2610ab77 | 912 | } |
435c5e25 | 913 | } |
2610ab77 | 914 | |
b19e6e7b | 915 | if (!rtd->codec_dai) { |
f110bfc7 | 916 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", |
b19e6e7b MB |
917 | dai_link->codec_dai_name); |
918 | return -EPROBE_DEFER; | |
919 | } | |
f0fba2ad | 920 | } |
6b05eda6 | 921 | |
b19e6e7b | 922 | if (!rtd->codec) { |
f110bfc7 | 923 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
924 | dai_link->codec_name); |
925 | return -EPROBE_DEFER; | |
926 | } | |
848dd8be MB |
927 | |
928 | /* if there's no platform we match on the empty platform */ | |
929 | platform_name = dai_link->platform_name; | |
5a504963 | 930 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
931 | platform_name = "snd-soc-dummy"; |
932 | ||
b19e6e7b | 933 | /* find one from the set of registered platforms */ |
f0fba2ad | 934 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
935 | if (dai_link->platform_of_node) { |
936 | if (platform->dev->of_node != | |
937 | dai_link->platform_of_node) | |
938 | continue; | |
939 | } else { | |
940 | if (strcmp(platform->name, platform_name)) | |
941 | continue; | |
942 | } | |
2610ab77 SW |
943 | |
944 | rtd->platform = platform; | |
02a06d30 | 945 | } |
b19e6e7b | 946 | if (!rtd->platform) { |
f110bfc7 | 947 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 948 | dai_link->platform_name); |
b19e6e7b | 949 | return -EPROBE_DEFER; |
f0fba2ad | 950 | } |
b19e6e7b MB |
951 | |
952 | card->num_rtd++; | |
953 | ||
954 | return 0; | |
f0fba2ad LG |
955 | } |
956 | ||
d12cd198 SW |
957 | static int soc_remove_platform(struct snd_soc_platform *platform) |
958 | { | |
959 | int ret; | |
960 | ||
961 | if (platform->driver->remove) { | |
962 | ret = platform->driver->remove(platform); | |
963 | if (ret < 0) | |
f110bfc7 LG |
964 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
965 | ret); | |
d12cd198 SW |
966 | } |
967 | ||
968 | /* Make sure all DAPM widgets are freed */ | |
969 | snd_soc_dapm_free(&platform->dapm); | |
970 | ||
971 | soc_cleanup_platform_debugfs(platform); | |
972 | platform->probed = 0; | |
973 | list_del(&platform->card_list); | |
974 | module_put(platform->dev->driver->owner); | |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
589c3563 JN |
979 | static void soc_remove_codec(struct snd_soc_codec *codec) |
980 | { | |
981 | int err; | |
982 | ||
983 | if (codec->driver->remove) { | |
984 | err = codec->driver->remove(codec); | |
985 | if (err < 0) | |
f110bfc7 | 986 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
987 | } |
988 | ||
989 | /* Make sure all DAPM widgets are freed */ | |
990 | snd_soc_dapm_free(&codec->dapm); | |
991 | ||
992 | soc_cleanup_codec_debugfs(codec); | |
993 | codec->probed = 0; | |
994 | list_del(&codec->card_list); | |
995 | module_put(codec->dev->driver->owner); | |
996 | } | |
997 | ||
62ae68fa | 998 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
999 | { |
1000 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad LG |
1001 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
1002 | int err; | |
1003 | ||
1004 | /* unregister the rtd device */ | |
1005 | if (rtd->dev_registered) { | |
36ae1a96 MB |
1006 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); |
1007 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1008 | device_unregister(rtd->dev); | |
f0fba2ad LG |
1009 | rtd->dev_registered = 0; |
1010 | } | |
1011 | ||
1012 | /* remove the CODEC DAI */ | |
0168bf0d LG |
1013 | if (codec_dai && codec_dai->probed && |
1014 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1015 | if (codec_dai->driver->remove) { |
1016 | err = codec_dai->driver->remove(codec_dai); | |
1017 | if (err < 0) | |
f110bfc7 LG |
1018 | dev_err(codec_dai->dev, |
1019 | "ASoC: failed to remove %s: %d\n", | |
1020 | codec_dai->name, err); | |
6b05eda6 | 1021 | } |
f0fba2ad LG |
1022 | codec_dai->probed = 0; |
1023 | list_del(&codec_dai->card_list); | |
1024 | } | |
6b05eda6 | 1025 | |
f0fba2ad | 1026 | /* remove the cpu_dai */ |
0168bf0d LG |
1027 | if (cpu_dai && cpu_dai->probed && |
1028 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1029 | if (cpu_dai->driver->remove) { |
1030 | err = cpu_dai->driver->remove(cpu_dai); | |
1031 | if (err < 0) | |
f110bfc7 LG |
1032 | dev_err(cpu_dai->dev, |
1033 | "ASoC: failed to remove %s: %d\n", | |
1034 | cpu_dai->name, err); | |
db2a4165 | 1035 | } |
f0fba2ad LG |
1036 | cpu_dai->probed = 0; |
1037 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 1038 | |
18d75644 SW |
1039 | if (!cpu_dai->codec) { |
1040 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1041 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1042 | } |
db2a4165 | 1043 | } |
f0fba2ad | 1044 | } |
db2a4165 | 1045 | |
62ae68fa SW |
1046 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1047 | int order) | |
1048 | { | |
1049 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1050 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1051 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1052 | struct snd_soc_platform *platform = rtd->platform; | |
1053 | struct snd_soc_codec *codec; | |
1054 | ||
1055 | /* remove the platform */ | |
1056 | if (platform && platform->probed && | |
1057 | platform->driver->remove_order == order) { | |
1058 | soc_remove_platform(platform); | |
1059 | } | |
1060 | ||
1061 | /* remove the CODEC-side CODEC */ | |
1062 | if (codec_dai) { | |
1063 | codec = codec_dai->codec; | |
1064 | if (codec && codec->probed && | |
1065 | codec->driver->remove_order == order) | |
1066 | soc_remove_codec(codec); | |
1067 | } | |
1068 | ||
1069 | /* remove any CPU-side CODEC */ | |
1070 | if (cpu_dai) { | |
1071 | codec = cpu_dai->codec; | |
1072 | if (codec && codec->probed && | |
1073 | codec->driver->remove_order == order) | |
1074 | soc_remove_codec(codec); | |
1075 | } | |
1076 | } | |
1077 | ||
0671fd8e KM |
1078 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1079 | { | |
0168bf0d | 1080 | int dai, order; |
0671fd8e | 1081 | |
0168bf0d LG |
1082 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1083 | order++) { | |
1084 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1085 | soc_remove_link_dais(card, dai, order); |
1086 | } | |
1087 | ||
1088 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1089 | order++) { | |
1090 | for (dai = 0; dai < card->num_rtd; dai++) | |
1091 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1092 | } |
62ae68fa | 1093 | |
0671fd8e KM |
1094 | card->num_rtd = 0; |
1095 | } | |
1096 | ||
ead9b919 JN |
1097 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1098 | struct snd_soc_codec *codec) | |
1099 | { | |
1100 | int i; | |
1101 | ||
ff819b83 | 1102 | if (card->codec_conf == NULL) |
ead9b919 JN |
1103 | return; |
1104 | ||
ff819b83 DP |
1105 | for (i = 0; i < card->num_configs; i++) { |
1106 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1107 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1108 | codec->name_prefix = map->name_prefix; | |
1109 | break; | |
1110 | } | |
1111 | } | |
1112 | } | |
1113 | ||
589c3563 JN |
1114 | static int soc_probe_codec(struct snd_soc_card *card, |
1115 | struct snd_soc_codec *codec) | |
1116 | { | |
1117 | int ret = 0; | |
89b95ac0 | 1118 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1119 | struct snd_soc_dai *dai; |
589c3563 JN |
1120 | |
1121 | codec->card = card; | |
1122 | codec->dapm.card = card; | |
1123 | soc_set_name_prefix(card, codec); | |
1124 | ||
70d29331 JN |
1125 | if (!try_module_get(codec->dev->driver->owner)) |
1126 | return -ENODEV; | |
1127 | ||
d5d1e0be LPC |
1128 | soc_init_codec_debugfs(codec); |
1129 | ||
b318ad50 NP |
1130 | if (driver->dapm_widgets) { |
1131 | ret = snd_soc_dapm_new_controls(&codec->dapm, | |
1132 | driver->dapm_widgets, | |
1133 | driver->num_dapm_widgets); | |
1134 | ||
1135 | if (ret != 0) { | |
1136 | dev_err(codec->dev, | |
1137 | "Failed to create new controls %d\n", ret); | |
1138 | goto err_probe; | |
1139 | } | |
1140 | } | |
77530150 | 1141 | |
888df395 | 1142 | /* Create DAPM widgets for each DAI stream */ |
261edc70 NP |
1143 | list_for_each_entry(dai, &codec->component.dai_list, list) { |
1144 | ret = snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1145 | ||
1146 | if (ret != 0) { | |
1147 | dev_err(codec->dev, | |
1148 | "Failed to create DAI widgets %d\n", ret); | |
1149 | goto err_probe; | |
1150 | } | |
1151 | } | |
888df395 | 1152 | |
33c5f969 MB |
1153 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1154 | ||
a32c17b8 XL |
1155 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) { |
1156 | /* Set the default I/O up try regmap */ | |
1157 | ret = snd_soc_codec_set_cache_io(codec, NULL); | |
1158 | if (ret < 0) { | |
1159 | dev_err(codec->dev, | |
1160 | "Failed to set cache I/O: %d\n", ret); | |
1161 | goto err_probe; | |
1162 | } | |
1163 | } | |
fe2265e4 | 1164 | |
89b95ac0 MB |
1165 | if (driver->probe) { |
1166 | ret = driver->probe(codec); | |
589c3563 JN |
1167 | if (ret < 0) { |
1168 | dev_err(codec->dev, | |
f110bfc7 | 1169 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1170 | goto err_probe; |
589c3563 | 1171 | } |
ff541f4b CL |
1172 | WARN(codec->dapm.idle_bias_off && |
1173 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a MM |
1174 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
1175 | codec->name); | |
589c3563 JN |
1176 | } |
1177 | ||
b7af1daf | 1178 | if (driver->controls) |
022658be | 1179 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1180 | driver->num_controls); |
89b95ac0 MB |
1181 | if (driver->dapm_routes) |
1182 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1183 | driver->num_dapm_routes); | |
1184 | ||
589c3563 JN |
1185 | /* mark codec as probed and add to card codec list */ |
1186 | codec->probed = 1; | |
1187 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1188 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1189 | |
70d29331 JN |
1190 | return 0; |
1191 | ||
1192 | err_probe: | |
d5d1e0be | 1193 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1194 | module_put(codec->dev->driver->owner); |
1195 | ||
589c3563 JN |
1196 | return ret; |
1197 | } | |
1198 | ||
956245e9 LG |
1199 | static int soc_probe_platform(struct snd_soc_card *card, |
1200 | struct snd_soc_platform *platform) | |
1201 | { | |
1202 | int ret = 0; | |
1203 | const struct snd_soc_platform_driver *driver = platform->driver; | |
1438c2f6 | 1204 | struct snd_soc_component *component; |
be09ad90 | 1205 | struct snd_soc_dai *dai; |
956245e9 LG |
1206 | |
1207 | platform->card = card; | |
b7950641 | 1208 | platform->dapm.card = card; |
956245e9 LG |
1209 | |
1210 | if (!try_module_get(platform->dev->driver->owner)) | |
1211 | return -ENODEV; | |
1212 | ||
731f1ab2 SG |
1213 | soc_init_platform_debugfs(platform); |
1214 | ||
cb2cf612 LG |
1215 | if (driver->dapm_widgets) |
1216 | snd_soc_dapm_new_controls(&platform->dapm, | |
1217 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1218 | ||
be09ad90 | 1219 | /* Create DAPM widgets for each DAI stream */ |
1438c2f6 LPC |
1220 | list_for_each_entry(component, &component_list, list) { |
1221 | if (component->dev != platform->dev) | |
be09ad90 | 1222 | continue; |
1438c2f6 LPC |
1223 | list_for_each_entry(dai, &component->dai_list, list) |
1224 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
be09ad90 LG |
1225 | } |
1226 | ||
3fec6b6d SW |
1227 | platform->dapm.idle_bias_off = 1; |
1228 | ||
956245e9 LG |
1229 | if (driver->probe) { |
1230 | ret = driver->probe(platform); | |
1231 | if (ret < 0) { | |
1232 | dev_err(platform->dev, | |
f110bfc7 | 1233 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1234 | goto err_probe; |
1235 | } | |
1236 | } | |
1237 | ||
cb2cf612 LG |
1238 | if (driver->controls) |
1239 | snd_soc_add_platform_controls(platform, driver->controls, | |
1240 | driver->num_controls); | |
1241 | if (driver->dapm_routes) | |
1242 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1243 | driver->num_dapm_routes); | |
1244 | ||
956245e9 LG |
1245 | /* mark platform as probed and add to card platform list */ |
1246 | platform->probed = 1; | |
1247 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1248 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1249 | |
1250 | return 0; | |
1251 | ||
1252 | err_probe: | |
02db1103 | 1253 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1254 | module_put(platform->dev->driver->owner); |
1255 | ||
1256 | return ret; | |
1257 | } | |
1258 | ||
36ae1a96 MB |
1259 | static void rtd_release(struct device *dev) |
1260 | { | |
1261 | kfree(dev); | |
1262 | } | |
f0fba2ad | 1263 | |
589c3563 JN |
1264 | static int soc_post_component_init(struct snd_soc_card *card, |
1265 | struct snd_soc_codec *codec, | |
1266 | int num, int dailess) | |
1267 | { | |
1268 | struct snd_soc_dai_link *dai_link = NULL; | |
1269 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1270 | struct snd_soc_pcm_runtime *rtd; | |
6479f15a | 1271 | const char *name; |
589c3563 JN |
1272 | int ret = 0; |
1273 | ||
1274 | if (!dailess) { | |
1275 | dai_link = &card->dai_link[num]; | |
1276 | rtd = &card->rtd[num]; | |
1277 | name = dai_link->name; | |
1278 | } else { | |
1279 | aux_dev = &card->aux_dev[num]; | |
1280 | rtd = &card->rtd_aux[num]; | |
1281 | name = aux_dev->name; | |
1282 | } | |
0962bb21 | 1283 | rtd->card = card; |
589c3563 | 1284 | |
589c3563 JN |
1285 | /* do machine specific initialization */ |
1286 | if (!dailess && dai_link->init) | |
1287 | ret = dai_link->init(rtd); | |
1288 | else if (dailess && aux_dev->init) | |
1289 | ret = aux_dev->init(&codec->dapm); | |
1290 | if (ret < 0) { | |
f110bfc7 | 1291 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1292 | return ret; |
1293 | } | |
589c3563 | 1294 | |
589c3563 JN |
1295 | /* register the rtd device */ |
1296 | rtd->codec = codec; | |
36ae1a96 MB |
1297 | |
1298 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1299 | if (!rtd->dev) | |
1300 | return -ENOMEM; | |
1301 | device_initialize(rtd->dev); | |
1302 | rtd->dev->parent = card->dev; | |
1303 | rtd->dev->release = rtd_release; | |
1304 | rtd->dev->init_name = name; | |
1305 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1306 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1307 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1308 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1309 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1310 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1311 | ret = device_add(rtd->dev); |
589c3563 | 1312 | if (ret < 0) { |
865df9cb CL |
1313 | /* calling put_device() here to free the rtd->dev */ |
1314 | put_device(rtd->dev); | |
589c3563 | 1315 | dev_err(card->dev, |
f110bfc7 | 1316 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1317 | return ret; |
1318 | } | |
1319 | rtd->dev_registered = 1; | |
1320 | ||
1321 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1322 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1323 | if (ret < 0) |
1324 | dev_err(codec->dev, | |
f110bfc7 | 1325 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1326 | |
1327 | /* add codec sysfs entries */ | |
36ae1a96 | 1328 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1329 | if (ret < 0) |
1330 | dev_err(codec->dev, | |
f110bfc7 | 1331 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1332 | |
f86dcef8 LG |
1333 | #ifdef CONFIG_DEBUG_FS |
1334 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1335 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1336 | goto out; |
1337 | ||
1338 | ret = soc_dpcm_debugfs_add(rtd); | |
1339 | if (ret < 0) | |
f110bfc7 | 1340 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1341 | |
1342 | out: | |
1343 | #endif | |
589c3563 JN |
1344 | return 0; |
1345 | } | |
1346 | ||
62ae68fa SW |
1347 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1348 | int order) | |
1349 | { | |
1350 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1351 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1352 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1353 | struct snd_soc_platform *platform = rtd->platform; | |
1354 | int ret; | |
1355 | ||
1356 | /* probe the CPU-side component, if it is a CODEC */ | |
1357 | if (cpu_dai->codec && | |
1358 | !cpu_dai->codec->probed && | |
1359 | cpu_dai->codec->driver->probe_order == order) { | |
1360 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1361 | if (ret < 0) | |
1362 | return ret; | |
1363 | } | |
1364 | ||
1365 | /* probe the CODEC-side component */ | |
1366 | if (!codec_dai->codec->probed && | |
1367 | codec_dai->codec->driver->probe_order == order) { | |
1368 | ret = soc_probe_codec(card, codec_dai->codec); | |
1369 | if (ret < 0) | |
1370 | return ret; | |
1371 | } | |
1372 | ||
1373 | /* probe the platform */ | |
1374 | if (!platform->probed && | |
1375 | platform->driver->probe_order == order) { | |
1376 | ret = soc_probe_platform(card, platform); | |
1377 | if (ret < 0) | |
1378 | return ret; | |
1379 | } | |
1380 | ||
1381 | return 0; | |
1382 | } | |
1383 | ||
1384 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) | |
f0fba2ad LG |
1385 | { |
1386 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1387 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1388 | struct snd_soc_codec *codec = rtd->codec; | |
1389 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1390 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1391 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1392 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
f0fba2ad LG |
1393 | int ret; |
1394 | ||
f110bfc7 | 1395 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1396 | card->name, num, order); |
f0fba2ad LG |
1397 | |
1398 | /* config components */ | |
f0fba2ad | 1399 | cpu_dai->platform = platform; |
f0fba2ad LG |
1400 | codec_dai->card = card; |
1401 | cpu_dai->card = card; | |
1402 | ||
1403 | /* set default power off timeout */ | |
1404 | rtd->pmdown_time = pmdown_time; | |
1405 | ||
1406 | /* probe the cpu_dai */ | |
0168bf0d LG |
1407 | if (!cpu_dai->probed && |
1408 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1409 | if (!cpu_dai->codec) { |
1410 | cpu_dai->dapm.card = card; | |
1411 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1412 | return -ENODEV; | |
61b61e3c | 1413 | |
18d75644 | 1414 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe | 1415 | } |
be09ad90 | 1416 | |
f0fba2ad LG |
1417 | if (cpu_dai->driver->probe) { |
1418 | ret = cpu_dai->driver->probe(cpu_dai); | |
1419 | if (ret < 0) { | |
f110bfc7 LG |
1420 | dev_err(cpu_dai->dev, |
1421 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1422 | cpu_dai->name, ret); | |
61b61e3c | 1423 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1424 | return ret; |
1425 | } | |
1426 | } | |
1427 | cpu_dai->probed = 1; | |
1c8371d6 | 1428 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1429 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1430 | } |
1431 | ||
f0fba2ad | 1432 | /* probe the CODEC DAI */ |
0168bf0d | 1433 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { |
f0fba2ad LG |
1434 | if (codec_dai->driver->probe) { |
1435 | ret = codec_dai->driver->probe(codec_dai); | |
fe3e78e0 | 1436 | if (ret < 0) { |
f110bfc7 LG |
1437 | dev_err(codec_dai->dev, |
1438 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1439 | codec_dai->name, ret); | |
f0fba2ad | 1440 | return ret; |
fe3e78e0 MB |
1441 | } |
1442 | } | |
f0fba2ad | 1443 | |
1c8371d6 | 1444 | /* mark codec_dai as probed and add to card dai list */ |
f0fba2ad LG |
1445 | codec_dai->probed = 1; |
1446 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
fe3e78e0 MB |
1447 | } |
1448 | ||
0168bf0d LG |
1449 | /* complete DAI probe during last probe */ |
1450 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1451 | return 0; | |
1452 | ||
589c3563 JN |
1453 | ret = soc_post_component_init(card, codec, num, 0); |
1454 | if (ret) | |
f0fba2ad | 1455 | return ret; |
fe3e78e0 | 1456 | |
36ae1a96 | 1457 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1458 | if (ret < 0) |
f110bfc7 LG |
1459 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1460 | ret); | |
f0fba2ad | 1461 | |
1245b700 NK |
1462 | if (cpu_dai->driver->compress_dai) { |
1463 | /*create compress_device"*/ | |
1464 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1465 | if (ret < 0) { |
f110bfc7 | 1466 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1467 | dai_link->stream_name); |
c74184ed MB |
1468 | return ret; |
1469 | } | |
1470 | } else { | |
1245b700 NK |
1471 | |
1472 | if (!dai_link->params) { | |
1473 | /* create the pcm */ | |
1474 | ret = soc_new_pcm(rtd, num); | |
1475 | if (ret < 0) { | |
f110bfc7 | 1476 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1477 | dai_link->stream_name, ret); |
c74184ed MB |
1478 | return ret; |
1479 | } | |
1245b700 | 1480 | } else { |
9d58a077 RF |
1481 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1482 | codec2codec_close_delayed_work); | |
1483 | ||
1245b700 NK |
1484 | /* link the DAI widgets */ |
1485 | play_w = codec_dai->playback_widget; | |
1486 | capture_w = cpu_dai->capture_widget; | |
1487 | if (play_w && capture_w) { | |
1488 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1489 | capture_w, play_w); | |
1490 | if (ret != 0) { | |
f110bfc7 | 1491 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1492 | play_w->name, capture_w->name, ret); |
1493 | return ret; | |
1494 | } | |
1495 | } | |
c74184ed | 1496 | |
1245b700 NK |
1497 | play_w = cpu_dai->playback_widget; |
1498 | capture_w = codec_dai->capture_widget; | |
1499 | if (play_w && capture_w) { | |
1500 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
c74184ed | 1501 | capture_w, play_w); |
1245b700 | 1502 | if (ret != 0) { |
f110bfc7 | 1503 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", |
1245b700 NK |
1504 | play_w->name, capture_w->name, ret); |
1505 | return ret; | |
1506 | } | |
c74184ed MB |
1507 | } |
1508 | } | |
f0fba2ad LG |
1509 | } |
1510 | ||
1511 | /* add platform data for AC97 devices */ | |
1512 | if (rtd->codec_dai->driver->ac97_control) | |
1513 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1514 | ||
1515 | return 0; | |
1516 | } | |
1517 | ||
fe3e78e0 | 1518 | #ifdef CONFIG_SND_SOC_AC97_BUS |
f0fba2ad LG |
1519 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1520 | { | |
1521 | int ret; | |
1522 | ||
fe3e78e0 MB |
1523 | /* Only instantiate AC97 if not already done by the adaptor |
1524 | * for the generic AC97 subsystem. | |
1525 | */ | |
f0fba2ad | 1526 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
0562f788 MW |
1527 | /* |
1528 | * It is possible that the AC97 device is already registered to | |
1529 | * the device subsystem. This happens when the device is created | |
1530 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1531 | * is the generic AC97 glue but others migh emerge. | |
1532 | * | |
1533 | * In those cases we don't try to register the device again. | |
1534 | */ | |
1535 | if (!rtd->codec->ac97_created) | |
1536 | return 0; | |
f0fba2ad LG |
1537 | |
1538 | ret = soc_ac97_dev_register(rtd->codec); | |
fe3e78e0 | 1539 | if (ret < 0) { |
f110bfc7 LG |
1540 | dev_err(rtd->codec->dev, |
1541 | "ASoC: AC97 device register failed: %d\n", ret); | |
f0fba2ad | 1542 | return ret; |
fe3e78e0 | 1543 | } |
f0fba2ad LG |
1544 | |
1545 | rtd->codec->ac97_registered = 1; | |
fe3e78e0 | 1546 | } |
f0fba2ad LG |
1547 | return 0; |
1548 | } | |
1549 | ||
1550 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) | |
1551 | { | |
1552 | if (codec->ac97_registered) { | |
1553 | soc_ac97_dev_unregister(codec); | |
1554 | codec->ac97_registered = 0; | |
1555 | } | |
1556 | } | |
fe3e78e0 MB |
1557 | #endif |
1558 | ||
b19e6e7b MB |
1559 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1560 | { | |
1561 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1562 | struct snd_soc_codec *codec; | |
1563 | ||
1564 | /* find CODEC from registered CODECs*/ | |
1565 | list_for_each_entry(codec, &codec_list, list) { | |
1566 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1567 | return 0; | |
1568 | } | |
1569 | ||
f110bfc7 | 1570 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1571 | |
b19e6e7b MB |
1572 | return -EPROBE_DEFER; |
1573 | } | |
1574 | ||
2eea392d JN |
1575 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1576 | { | |
1577 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1578 | struct snd_soc_codec *codec; |
676ad98a | 1579 | int ret = -ENODEV; |
2eea392d JN |
1580 | |
1581 | /* find CODEC from registered CODECs*/ | |
1582 | list_for_each_entry(codec, &codec_list, list) { | |
1583 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1584 | if (codec->probed) { | |
1585 | dev_err(codec->dev, | |
f110bfc7 | 1586 | "ASoC: codec already probed"); |
2eea392d JN |
1587 | ret = -EBUSY; |
1588 | goto out; | |
1589 | } | |
676ad98a | 1590 | goto found; |
2eea392d JN |
1591 | } |
1592 | } | |
676ad98a | 1593 | /* codec not found */ |
f110bfc7 | 1594 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1595 | return -EPROBE_DEFER; |
2eea392d | 1596 | |
676ad98a | 1597 | found: |
589c3563 | 1598 | ret = soc_probe_codec(card, codec); |
2eea392d | 1599 | if (ret < 0) |
589c3563 | 1600 | return ret; |
2eea392d | 1601 | |
589c3563 | 1602 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1603 | |
1604 | out: | |
1605 | return ret; | |
1606 | } | |
1607 | ||
1608 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1609 | { | |
1610 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1611 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1612 | |
1613 | /* unregister the rtd device */ | |
1614 | if (rtd->dev_registered) { | |
36ae1a96 | 1615 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1616 | device_unregister(rtd->dev); |
2eea392d JN |
1617 | rtd->dev_registered = 0; |
1618 | } | |
1619 | ||
589c3563 JN |
1620 | if (codec && codec->probed) |
1621 | soc_remove_codec(codec); | |
2eea392d JN |
1622 | } |
1623 | ||
f90fb3f7 | 1624 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1625 | { |
1626 | int ret; | |
1627 | ||
1628 | if (codec->cache_init) | |
1629 | return 0; | |
1630 | ||
fdf0f54d DP |
1631 | ret = snd_soc_cache_init(codec); |
1632 | if (ret < 0) { | |
10e8aa9a MM |
1633 | dev_err(codec->dev, |
1634 | "ASoC: Failed to set cache compression type: %d\n", | |
1635 | ret); | |
fdf0f54d DP |
1636 | return ret; |
1637 | } | |
1638 | codec->cache_init = 1; | |
1639 | return 0; | |
1640 | } | |
1641 | ||
b19e6e7b | 1642 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1643 | { |
fdf0f54d | 1644 | struct snd_soc_codec *codec; |
75d9ac46 | 1645 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1646 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1647 | |
01b9d99a | 1648 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1649 | |
f0fba2ad | 1650 | /* bind DAIs */ |
b19e6e7b MB |
1651 | for (i = 0; i < card->num_links; i++) { |
1652 | ret = soc_bind_dai_link(card, i); | |
1653 | if (ret != 0) | |
1654 | goto base_error; | |
1655 | } | |
fe3e78e0 | 1656 | |
b19e6e7b MB |
1657 | /* check aux_devs too */ |
1658 | for (i = 0; i < card->num_aux_devs; i++) { | |
1659 | ret = soc_check_aux_dev(card, i); | |
1660 | if (ret != 0) | |
1661 | goto base_error; | |
f0fba2ad | 1662 | } |
435c5e25 | 1663 | |
fdf0f54d DP |
1664 | /* initialize the register cache for each available codec */ |
1665 | list_for_each_entry(codec, &codec_list, list) { | |
1666 | if (codec->cache_init) | |
1667 | continue; | |
f90fb3f7 | 1668 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1669 | if (ret < 0) |
1670 | goto base_error; | |
fdf0f54d DP |
1671 | } |
1672 | ||
f0fba2ad | 1673 | /* card bind complete so register a sound card */ |
102b5a8d | 1674 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1675 | card->owner, 0, &card->snd_card); |
1676 | if (ret < 0) { | |
10e8aa9a MM |
1677 | dev_err(card->dev, |
1678 | "ASoC: can't create sound card for card %s: %d\n", | |
1679 | card->name, ret); | |
b19e6e7b | 1680 | goto base_error; |
f0fba2ad | 1681 | } |
f0fba2ad | 1682 | |
e37a4970 MB |
1683 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1684 | card->dapm.dev = card->dev; | |
1685 | card->dapm.card = card; | |
1686 | list_add(&card->dapm.list, &card->dapm_list); | |
1687 | ||
d5d1e0be LPC |
1688 | #ifdef CONFIG_DEBUG_FS |
1689 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1690 | #endif | |
1691 | ||
88ee1c61 | 1692 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1693 | /* deferred resume work */ |
1694 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1695 | #endif | |
db2a4165 | 1696 | |
9a841ebb MB |
1697 | if (card->dapm_widgets) |
1698 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1699 | card->num_dapm_widgets); | |
1700 | ||
f0fba2ad LG |
1701 | /* initialise the sound card only once */ |
1702 | if (card->probe) { | |
e7361ec4 | 1703 | ret = card->probe(card); |
f0fba2ad LG |
1704 | if (ret < 0) |
1705 | goto card_probe_error; | |
1706 | } | |
fe3e78e0 | 1707 | |
62ae68fa | 1708 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1709 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1710 | order++) { | |
1711 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1712 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1713 | if (ret < 0) { |
f110bfc7 LG |
1714 | dev_err(card->dev, |
1715 | "ASoC: failed to instantiate card %d\n", | |
1716 | ret); | |
62ae68fa SW |
1717 | goto probe_dai_err; |
1718 | } | |
1719 | } | |
1720 | } | |
1721 | ||
1722 | /* probe all DAI links on this card */ | |
1723 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1724 | order++) { | |
1725 | for (i = 0; i < card->num_links; i++) { | |
1726 | ret = soc_probe_link_dais(card, i, order); | |
1727 | if (ret < 0) { | |
f110bfc7 LG |
1728 | dev_err(card->dev, |
1729 | "ASoC: failed to instantiate card %d\n", | |
1730 | ret); | |
0168bf0d LG |
1731 | goto probe_dai_err; |
1732 | } | |
f0fba2ad LG |
1733 | } |
1734 | } | |
db2a4165 | 1735 | |
2eea392d JN |
1736 | for (i = 0; i < card->num_aux_devs; i++) { |
1737 | ret = soc_probe_aux_dev(card, i); | |
1738 | if (ret < 0) { | |
f110bfc7 LG |
1739 | dev_err(card->dev, |
1740 | "ASoC: failed to add auxiliary devices %d\n", | |
1741 | ret); | |
2eea392d JN |
1742 | goto probe_aux_dev_err; |
1743 | } | |
1744 | } | |
1745 | ||
888df395 | 1746 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1747 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1748 | |
b7af1daf | 1749 | if (card->controls) |
022658be | 1750 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1751 | |
b8ad29de MB |
1752 | if (card->dapm_routes) |
1753 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1754 | card->num_dapm_routes); | |
1755 | ||
75d9ac46 MB |
1756 | for (i = 0; i < card->num_links; i++) { |
1757 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1758 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1759 | |
f04209a7 | 1760 | if (dai_fmt) { |
75d9ac46 | 1761 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1762 | dai_fmt); |
5e4ba569 | 1763 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1764 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1765 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1766 | ret); |
f04209a7 MB |
1767 | } |
1768 | ||
1769 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1770 | if (dai_fmt && |
1771 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1772 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1773 | dai_fmt); | |
1774 | if (ret != 0 && ret != -ENOTSUPP) | |
1775 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1776 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1777 | ret); |
1778 | } else if (dai_fmt) { | |
1779 | /* Flip the polarity for the "CPU" end */ | |
1780 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1781 | switch (dai_link->dai_fmt & | |
1782 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1783 | case SND_SOC_DAIFMT_CBM_CFM: | |
1784 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1785 | break; | |
1786 | case SND_SOC_DAIFMT_CBM_CFS: | |
1787 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1788 | break; | |
1789 | case SND_SOC_DAIFMT_CBS_CFM: | |
1790 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1791 | break; | |
1792 | case SND_SOC_DAIFMT_CBS_CFS: | |
1793 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1794 | break; | |
1795 | } | |
75d9ac46 MB |
1796 | |
1797 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1798 | dai_fmt); |
5e4ba569 | 1799 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1800 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1801 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1802 | ret); |
1803 | } | |
1804 | } | |
1805 | ||
f0fba2ad | 1806 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1807 | "%s", card->name); |
22de71ba LG |
1808 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1809 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1810 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1811 | "%s", card->driver_name ? card->driver_name : card->name); | |
1812 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1813 | switch (card->snd_card->driver[i]) { | |
1814 | case '_': | |
1815 | case '-': | |
1816 | case '\0': | |
1817 | break; | |
1818 | default: | |
1819 | if (!isalnum(card->snd_card->driver[i])) | |
1820 | card->snd_card->driver[i] = '_'; | |
1821 | break; | |
1822 | } | |
1823 | } | |
f0fba2ad | 1824 | |
28e9ad92 MB |
1825 | if (card->late_probe) { |
1826 | ret = card->late_probe(card); | |
1827 | if (ret < 0) { | |
f110bfc7 | 1828 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1829 | card->name, ret); |
1830 | goto probe_aux_dev_err; | |
1831 | } | |
1832 | } | |
1833 | ||
1633281b | 1834 | if (card->fully_routed) |
b05d8dc1 | 1835 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1836 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1837 | ||
824ef826 | 1838 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1839 | |
f0fba2ad LG |
1840 | ret = snd_card_register(card->snd_card); |
1841 | if (ret < 0) { | |
f110bfc7 LG |
1842 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1843 | ret); | |
6b3ed785 | 1844 | goto probe_aux_dev_err; |
db2a4165 FM |
1845 | } |
1846 | ||
f0fba2ad LG |
1847 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1848 | /* register any AC97 codecs */ | |
1849 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1850 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1851 | if (ret < 0) { | |
10e8aa9a MM |
1852 | dev_err(card->dev, |
1853 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1854 | while (--i >= 0) |
7d8316df | 1855 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
6b3ed785 | 1856 | goto probe_aux_dev_err; |
f0fba2ad | 1857 | } |
6b3ed785 | 1858 | } |
f0fba2ad LG |
1859 | #endif |
1860 | ||
1861 | card->instantiated = 1; | |
4f4c0072 | 1862 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1863 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1864 | |
1865 | return 0; | |
f0fba2ad | 1866 | |
2eea392d JN |
1867 | probe_aux_dev_err: |
1868 | for (i = 0; i < card->num_aux_devs; i++) | |
1869 | soc_remove_aux_dev(card, i); | |
1870 | ||
f0fba2ad | 1871 | probe_dai_err: |
0671fd8e | 1872 | soc_remove_dai_links(card); |
f0fba2ad LG |
1873 | |
1874 | card_probe_error: | |
87506549 | 1875 | if (card->remove) |
e7361ec4 | 1876 | card->remove(card); |
f0fba2ad LG |
1877 | |
1878 | snd_card_free(card->snd_card); | |
1879 | ||
b19e6e7b | 1880 | base_error: |
f0fba2ad | 1881 | mutex_unlock(&card->mutex); |
db2a4165 | 1882 | |
b19e6e7b | 1883 | return ret; |
435c5e25 MB |
1884 | } |
1885 | ||
1886 | /* probes a new socdev */ | |
1887 | static int soc_probe(struct platform_device *pdev) | |
1888 | { | |
f0fba2ad | 1889 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1890 | |
70a7ca34 VK |
1891 | /* |
1892 | * no card, so machine driver should be registering card | |
1893 | * we should not be here in that case so ret error | |
1894 | */ | |
1895 | if (!card) | |
1896 | return -EINVAL; | |
1897 | ||
fe4085e8 | 1898 | dev_warn(&pdev->dev, |
f110bfc7 | 1899 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1900 | card->name); |
1901 | ||
435c5e25 MB |
1902 | /* Bodge while we unpick instantiation */ |
1903 | card->dev = &pdev->dev; | |
f0fba2ad | 1904 | |
28d528c8 | 1905 | return snd_soc_register_card(card); |
db2a4165 FM |
1906 | } |
1907 | ||
b0e26485 | 1908 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1909 | { |
1910 | int i; | |
db2a4165 | 1911 | |
b0e26485 VK |
1912 | /* make sure any delayed work runs */ |
1913 | for (i = 0; i < card->num_rtd; i++) { | |
1914 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1915 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1916 | } |
914dc182 | 1917 | |
b0e26485 VK |
1918 | /* remove auxiliary devices */ |
1919 | for (i = 0; i < card->num_aux_devs; i++) | |
1920 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1921 | |
b0e26485 | 1922 | /* remove and free each DAI */ |
0671fd8e | 1923 | soc_remove_dai_links(card); |
2eea392d | 1924 | |
b0e26485 | 1925 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1926 | |
b0e26485 VK |
1927 | /* remove the card */ |
1928 | if (card->remove) | |
e7361ec4 | 1929 | card->remove(card); |
a6052154 | 1930 | |
0aaae527 LPC |
1931 | snd_soc_dapm_free(&card->dapm); |
1932 | ||
b0e26485 VK |
1933 | snd_card_free(card->snd_card); |
1934 | return 0; | |
1935 | ||
1936 | } | |
1937 | ||
1938 | /* removes a socdev */ | |
1939 | static int soc_remove(struct platform_device *pdev) | |
1940 | { | |
1941 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1942 | |
c5af3a2e | 1943 | snd_soc_unregister_card(card); |
db2a4165 FM |
1944 | return 0; |
1945 | } | |
1946 | ||
6f8ab4ac | 1947 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1948 | { |
6f8ab4ac | 1949 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1950 | int i; |
51737470 MB |
1951 | |
1952 | if (!card->instantiated) | |
416356fc | 1953 | return 0; |
51737470 MB |
1954 | |
1955 | /* Flush out pmdown_time work - we actually do want to run it | |
1956 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1957 | for (i = 0; i < card->num_rtd; i++) { |
1958 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1959 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1960 | } |
51737470 | 1961 | |
f0fba2ad | 1962 | snd_soc_dapm_shutdown(card); |
416356fc | 1963 | |
988e8cc4 NC |
1964 | /* deactivate pins to sleep state */ |
1965 | for (i = 0; i < card->num_rtd; i++) { | |
1966 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
1967 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
1968 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
1969 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
1970 | } | |
1971 | ||
416356fc | 1972 | return 0; |
51737470 | 1973 | } |
6f8ab4ac | 1974 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1975 | |
6f8ab4ac | 1976 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1977 | .suspend = snd_soc_suspend, |
1978 | .resume = snd_soc_resume, | |
1979 | .freeze = snd_soc_suspend, | |
1980 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1981 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1982 | .restore = snd_soc_resume, |
416356fc | 1983 | }; |
deb2607e | 1984 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1985 | |
db2a4165 FM |
1986 | /* ASoC platform driver */ |
1987 | static struct platform_driver soc_driver = { | |
1988 | .driver = { | |
1989 | .name = "soc-audio", | |
8b45a209 | 1990 | .owner = THIS_MODULE, |
6f8ab4ac | 1991 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1992 | }, |
1993 | .probe = soc_probe, | |
1994 | .remove = soc_remove, | |
db2a4165 FM |
1995 | }; |
1996 | ||
096e49d5 MB |
1997 | /** |
1998 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
1999 | * | |
2000 | * @codec: CODEC to query. | |
2001 | * @reg: Register to query. | |
2002 | * | |
2003 | * Boolean function indiciating if a CODEC register is volatile. | |
2004 | */ | |
181e055e MB |
2005 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
2006 | unsigned int reg) | |
096e49d5 | 2007 | { |
1500b7b5 DP |
2008 | if (codec->volatile_register) |
2009 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
2010 | else |
2011 | return 0; | |
2012 | } | |
2013 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
2014 | ||
239c9706 DP |
2015 | /** |
2016 | * snd_soc_codec_readable_register: Report if a register is readable. | |
2017 | * | |
2018 | * @codec: CODEC to query. | |
2019 | * @reg: Register to query. | |
2020 | * | |
2021 | * Boolean function indicating if a CODEC register is readable. | |
2022 | */ | |
2023 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
2024 | unsigned int reg) | |
2025 | { | |
2026 | if (codec->readable_register) | |
2027 | return codec->readable_register(codec, reg); | |
2028 | else | |
63fa0a28 | 2029 | return 1; |
239c9706 DP |
2030 | } |
2031 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
2032 | ||
2033 | /** | |
2034 | * snd_soc_codec_writable_register: Report if a register is writable. | |
2035 | * | |
2036 | * @codec: CODEC to query. | |
2037 | * @reg: Register to query. | |
2038 | * | |
2039 | * Boolean function indicating if a CODEC register is writable. | |
2040 | */ | |
2041 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
2042 | unsigned int reg) | |
2043 | { | |
2044 | if (codec->writable_register) | |
2045 | return codec->writable_register(codec, reg); | |
2046 | else | |
63fa0a28 | 2047 | return 1; |
239c9706 DP |
2048 | } |
2049 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2050 | ||
f1442bc1 LG |
2051 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2052 | unsigned int reg) | |
2053 | { | |
2054 | unsigned int ret; | |
2055 | ||
2056 | if (!platform->driver->read) { | |
f110bfc7 | 2057 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2058 | return -1; |
2059 | } | |
2060 | ||
2061 | ret = platform->driver->read(platform, reg); | |
2062 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2063 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2064 | |
2065 | return ret; | |
2066 | } | |
2067 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2068 | ||
2069 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2070 | unsigned int reg, unsigned int val) | |
2071 | { | |
2072 | if (!platform->driver->write) { | |
f110bfc7 | 2073 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2074 | return -1; |
2075 | } | |
2076 | ||
2077 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2078 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2079 | return platform->driver->write(platform, reg, val); |
2080 | } | |
2081 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2082 | ||
db2a4165 FM |
2083 | /** |
2084 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2085 | * @codec: audio codec | |
2086 | * @ops: AC97 bus operations | |
2087 | * @num: AC97 codec number | |
2088 | * | |
2089 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2090 | */ | |
2091 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2092 | struct snd_ac97_bus_ops *ops, int num) | |
2093 | { | |
2094 | mutex_lock(&codec->mutex); | |
2095 | ||
2096 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2097 | if (codec->ac97 == NULL) { | |
2098 | mutex_unlock(&codec->mutex); | |
2099 | return -ENOMEM; | |
2100 | } | |
2101 | ||
2102 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2103 | if (codec->ac97->bus == NULL) { | |
2104 | kfree(codec->ac97); | |
2105 | codec->ac97 = NULL; | |
2106 | mutex_unlock(&codec->mutex); | |
2107 | return -ENOMEM; | |
2108 | } | |
2109 | ||
2110 | codec->ac97->bus->ops = ops; | |
2111 | codec->ac97->num = num; | |
0562f788 MW |
2112 | |
2113 | /* | |
2114 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2115 | * device will be registered with the device subsystem later on. | |
2116 | */ | |
2117 | codec->ac97_created = 1; | |
2118 | ||
db2a4165 FM |
2119 | mutex_unlock(&codec->mutex); |
2120 | return 0; | |
2121 | } | |
2122 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2123 | ||
741a509f MP |
2124 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2125 | ||
2126 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2127 | { | |
2128 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2129 | ||
2130 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2131 | ||
2132 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2133 | ||
2134 | udelay(10); | |
2135 | ||
2136 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2137 | ||
2138 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2139 | msleep(2); | |
2140 | } | |
2141 | ||
2142 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2143 | { | |
2144 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2145 | ||
2146 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2147 | ||
2148 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2149 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2150 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2151 | ||
2152 | udelay(10); | |
2153 | ||
2154 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2155 | ||
2156 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2157 | msleep(2); | |
2158 | } | |
2159 | ||
2160 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2161 | struct snd_ac97_reset_cfg *cfg) | |
2162 | { | |
2163 | struct pinctrl *p; | |
2164 | struct pinctrl_state *state; | |
2165 | int gpio; | |
2166 | int ret; | |
2167 | ||
2168 | p = devm_pinctrl_get(dev); | |
2169 | if (IS_ERR(p)) { | |
2170 | dev_err(dev, "Failed to get pinctrl\n"); | |
2171 | return PTR_RET(p); | |
2172 | } | |
2173 | cfg->pctl = p; | |
2174 | ||
2175 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2176 | if (IS_ERR(state)) { | |
2177 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
2178 | return PTR_RET(state); | |
2179 | } | |
2180 | cfg->pstate_reset = state; | |
2181 | ||
2182 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2183 | if (IS_ERR(state)) { | |
2184 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
2185 | return PTR_RET(state); | |
2186 | } | |
2187 | cfg->pstate_warm_reset = state; | |
2188 | ||
2189 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2190 | if (IS_ERR(state)) { | |
2191 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
2192 | return PTR_RET(state); | |
2193 | } | |
2194 | cfg->pstate_run = state; | |
2195 | ||
2196 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2197 | if (gpio < 0) { | |
2198 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2199 | return gpio; | |
2200 | } | |
2201 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2202 | if (ret) { | |
2203 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2204 | return ret; | |
2205 | } | |
2206 | cfg->gpio_sync = gpio; | |
2207 | ||
2208 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2209 | if (gpio < 0) { | |
2210 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2211 | return gpio; | |
2212 | } | |
2213 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2214 | if (ret) { | |
2215 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2216 | return ret; | |
2217 | } | |
2218 | cfg->gpio_sdata = gpio; | |
2219 | ||
2220 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2221 | if (gpio < 0) { | |
2222 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2223 | return gpio; | |
2224 | } | |
2225 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2226 | if (ret) { | |
2227 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2228 | return ret; | |
2229 | } | |
2230 | cfg->gpio_reset = gpio; | |
2231 | ||
2232 | return 0; | |
2233 | } | |
2234 | ||
b047e1cc | 2235 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2236 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2237 | |
2238 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2239 | { | |
2240 | if (ops == soc_ac97_ops) | |
2241 | return 0; | |
2242 | ||
2243 | if (soc_ac97_ops && ops) | |
2244 | return -EBUSY; | |
2245 | ||
2246 | soc_ac97_ops = ops; | |
2247 | ||
2248 | return 0; | |
2249 | } | |
2250 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2251 | ||
741a509f MP |
2252 | /** |
2253 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2254 | * | |
2255 | * This function sets the reset and warm_reset properties of ops and parses | |
2256 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2257 | */ | |
2258 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2259 | struct platform_device *pdev) | |
2260 | { | |
2261 | struct device *dev = &pdev->dev; | |
2262 | struct snd_ac97_reset_cfg cfg; | |
2263 | int ret; | |
2264 | ||
2265 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2266 | if (ret) | |
2267 | return ret; | |
2268 | ||
2269 | ret = snd_soc_set_ac97_ops(ops); | |
2270 | if (ret) | |
2271 | return ret; | |
2272 | ||
2273 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2274 | ops->reset = snd_soc_ac97_reset; | |
2275 | ||
2276 | snd_ac97_rst_cfg = cfg; | |
2277 | return 0; | |
2278 | } | |
2279 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2280 | ||
db2a4165 FM |
2281 | /** |
2282 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2283 | * @codec: audio codec | |
2284 | * | |
2285 | * Frees AC97 codec device resources. | |
2286 | */ | |
2287 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2288 | { | |
2289 | mutex_lock(&codec->mutex); | |
f0fba2ad LG |
2290 | #ifdef CONFIG_SND_SOC_AC97_BUS |
2291 | soc_unregister_ac97_dai_link(codec); | |
2292 | #endif | |
db2a4165 FM |
2293 | kfree(codec->ac97->bus); |
2294 | kfree(codec->ac97); | |
2295 | codec->ac97 = NULL; | |
0562f788 | 2296 | codec->ac97_created = 0; |
db2a4165 FM |
2297 | mutex_unlock(&codec->mutex); |
2298 | } | |
2299 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2300 | ||
c3753707 MB |
2301 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2302 | { | |
2303 | unsigned int ret; | |
2304 | ||
c3acec26 | 2305 | ret = codec->read(codec, reg); |
c3753707 | 2306 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
a8b1d34f | 2307 | trace_snd_soc_reg_read(codec, reg, ret); |
c3753707 MB |
2308 | |
2309 | return ret; | |
2310 | } | |
2311 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2312 | ||
2313 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2314 | unsigned int reg, unsigned int val) | |
2315 | { | |
2316 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
a8b1d34f | 2317 | trace_snd_soc_reg_write(codec, reg, val); |
c3acec26 | 2318 | return codec->write(codec, reg, val); |
c3753707 MB |
2319 | } |
2320 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2321 | ||
db2a4165 FM |
2322 | /** |
2323 | * snd_soc_update_bits - update codec register bits | |
2324 | * @codec: audio codec | |
2325 | * @reg: codec register | |
2326 | * @mask: register mask | |
2327 | * @value: new value | |
2328 | * | |
2329 | * Writes new register value. | |
2330 | * | |
180c329d | 2331 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2332 | */ |
2333 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2334 | unsigned int mask, unsigned int value) |
db2a4165 | 2335 | { |
8a713da8 | 2336 | bool change; |
46f5822f | 2337 | unsigned int old, new; |
180c329d TT |
2338 | int ret; |
2339 | ||
8a713da8 MB |
2340 | if (codec->using_regmap) { |
2341 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2342 | mask, value, &change); | |
2343 | } else { | |
2344 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2345 | if (ret < 0) |
2346 | return ret; | |
8a713da8 MB |
2347 | |
2348 | old = ret; | |
2349 | new = (old & ~mask) | (value & mask); | |
2350 | change = old != new; | |
2351 | if (change) | |
2352 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2353 | } |
db2a4165 | 2354 | |
8a713da8 MB |
2355 | if (ret < 0) |
2356 | return ret; | |
2357 | ||
db2a4165 FM |
2358 | return change; |
2359 | } | |
2360 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2361 | ||
6c508c62 EN |
2362 | /** |
2363 | * snd_soc_update_bits_locked - update codec register bits | |
2364 | * @codec: audio codec | |
2365 | * @reg: codec register | |
2366 | * @mask: register mask | |
2367 | * @value: new value | |
2368 | * | |
2369 | * Writes new register value, and takes the codec mutex. | |
2370 | * | |
2371 | * Returns 1 for change else 0. | |
2372 | */ | |
dd1b3d53 MB |
2373 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2374 | unsigned short reg, unsigned int mask, | |
2375 | unsigned int value) | |
6c508c62 EN |
2376 | { |
2377 | int change; | |
2378 | ||
2379 | mutex_lock(&codec->mutex); | |
2380 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2381 | mutex_unlock(&codec->mutex); | |
2382 | ||
2383 | return change; | |
2384 | } | |
dd1b3d53 | 2385 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2386 | |
db2a4165 FM |
2387 | /** |
2388 | * snd_soc_test_bits - test register for change | |
2389 | * @codec: audio codec | |
2390 | * @reg: codec register | |
2391 | * @mask: register mask | |
2392 | * @value: new value | |
2393 | * | |
2394 | * Tests a register with a new value and checks if the new value is | |
2395 | * different from the old value. | |
2396 | * | |
2397 | * Returns 1 for change else 0. | |
2398 | */ | |
2399 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2400 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2401 | { |
2402 | int change; | |
46f5822f | 2403 | unsigned int old, new; |
db2a4165 | 2404 | |
db2a4165 FM |
2405 | old = snd_soc_read(codec, reg); |
2406 | new = (old & ~mask) | value; | |
2407 | change = old != new; | |
db2a4165 FM |
2408 | |
2409 | return change; | |
2410 | } | |
2411 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2412 | ||
db2a4165 FM |
2413 | /** |
2414 | * snd_soc_cnew - create new control | |
2415 | * @_template: control template | |
2416 | * @data: control private data | |
ac11a2b3 | 2417 | * @long_name: control long name |
efb7ac3f | 2418 | * @prefix: control name prefix |
db2a4165 FM |
2419 | * |
2420 | * Create a new mixer control from a template control. | |
2421 | * | |
2422 | * Returns 0 for success, else error. | |
2423 | */ | |
2424 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2425 | void *data, const char *long_name, |
efb7ac3f | 2426 | const char *prefix) |
db2a4165 FM |
2427 | { |
2428 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2429 | struct snd_kcontrol *kcontrol; |
2430 | char *name = NULL; | |
db2a4165 FM |
2431 | |
2432 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2433 | template.index = 0; |
2434 | ||
efb7ac3f MB |
2435 | if (!long_name) |
2436 | long_name = template.name; | |
2437 | ||
2438 | if (prefix) { | |
2b581074 | 2439 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2440 | if (!name) |
2441 | return NULL; | |
2442 | ||
efb7ac3f MB |
2443 | template.name = name; |
2444 | } else { | |
2445 | template.name = long_name; | |
2446 | } | |
2447 | ||
2448 | kcontrol = snd_ctl_new1(&template, data); | |
2449 | ||
2450 | kfree(name); | |
2451 | ||
2452 | return kcontrol; | |
db2a4165 FM |
2453 | } |
2454 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2455 | ||
022658be LG |
2456 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2457 | const struct snd_kcontrol_new *controls, int num_controls, | |
2458 | const char *prefix, void *data) | |
2459 | { | |
2460 | int err, i; | |
2461 | ||
2462 | for (i = 0; i < num_controls; i++) { | |
2463 | const struct snd_kcontrol_new *control = &controls[i]; | |
2464 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2465 | control->name, prefix)); | |
2466 | if (err < 0) { | |
f110bfc7 LG |
2467 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2468 | control->name, err); | |
022658be LG |
2469 | return err; |
2470 | } | |
2471 | } | |
2472 | ||
2473 | return 0; | |
2474 | } | |
2475 | ||
4fefd698 DP |
2476 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2477 | const char *name) | |
2478 | { | |
2479 | struct snd_card *card = soc_card->snd_card; | |
2480 | struct snd_kcontrol *kctl; | |
2481 | ||
2482 | if (unlikely(!name)) | |
2483 | return NULL; | |
2484 | ||
2485 | list_for_each_entry(kctl, &card->controls, list) | |
2486 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2487 | return kctl; | |
2488 | return NULL; | |
2489 | } | |
2490 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2491 | ||
3e8e1952 | 2492 | /** |
022658be LG |
2493 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2494 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2495 | * duplicating this code. |
2496 | * | |
2497 | * @codec: codec to add controls to | |
2498 | * @controls: array of controls to add | |
2499 | * @num_controls: number of elements in the array | |
2500 | * | |
2501 | * Return 0 for success, else error. | |
2502 | */ | |
022658be | 2503 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2504 | const struct snd_kcontrol_new *controls, int num_controls) |
2505 | { | |
f0fba2ad | 2506 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2507 | |
022658be LG |
2508 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2509 | codec->name_prefix, codec); | |
3e8e1952 | 2510 | } |
022658be | 2511 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2512 | |
a491a5c8 LG |
2513 | /** |
2514 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2515 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2516 | * |
2517 | * @platform: platform to add controls to | |
2518 | * @controls: array of controls to add | |
2519 | * @num_controls: number of elements in the array | |
2520 | * | |
2521 | * Return 0 for success, else error. | |
2522 | */ | |
2523 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2524 | const struct snd_kcontrol_new *controls, int num_controls) | |
2525 | { | |
2526 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2527 | |
022658be LG |
2528 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2529 | NULL, platform); | |
a491a5c8 LG |
2530 | } |
2531 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2532 | ||
022658be LG |
2533 | /** |
2534 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2535 | * Convenience function to add a list of controls. | |
2536 | * | |
2537 | * @soc_card: SoC card to add controls to | |
2538 | * @controls: array of controls to add | |
2539 | * @num_controls: number of elements in the array | |
2540 | * | |
2541 | * Return 0 for success, else error. | |
2542 | */ | |
2543 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2544 | const struct snd_kcontrol_new *controls, int num_controls) | |
2545 | { | |
2546 | struct snd_card *card = soc_card->snd_card; | |
2547 | ||
2548 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2549 | NULL, soc_card); | |
2550 | } | |
2551 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2552 | ||
2553 | /** | |
2554 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2555 | * Convienience function to add a list of controls. | |
2556 | * | |
2557 | * @dai: DAI to add controls to | |
2558 | * @controls: array of controls to add | |
2559 | * @num_controls: number of elements in the array | |
2560 | * | |
2561 | * Return 0 for success, else error. | |
2562 | */ | |
2563 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2564 | const struct snd_kcontrol_new *controls, int num_controls) | |
2565 | { | |
2566 | struct snd_card *card = dai->card->snd_card; | |
2567 | ||
2568 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2569 | NULL, dai); | |
2570 | } | |
2571 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2572 | ||
db2a4165 FM |
2573 | /** |
2574 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2575 | * @kcontrol: mixer control | |
2576 | * @uinfo: control element information | |
2577 | * | |
2578 | * Callback to provide information about a double enumerated | |
2579 | * mixer control. | |
2580 | * | |
2581 | * Returns 0 for success. | |
2582 | */ | |
2583 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2584 | struct snd_ctl_elem_info *uinfo) | |
2585 | { | |
2586 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2587 | ||
2588 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2589 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2590 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2591 | |
9a8d38db TI |
2592 | if (uinfo->value.enumerated.item >= e->items) |
2593 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2594 | strlcpy(uinfo->value.enumerated.name, |
2595 | e->texts[uinfo->value.enumerated.item], | |
2596 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2597 | return 0; |
2598 | } | |
2599 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2600 | ||
2601 | /** | |
2602 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2603 | * @kcontrol: mixer control | |
ac11a2b3 | 2604 | * @ucontrol: control element information |
db2a4165 FM |
2605 | * |
2606 | * Callback to get the value of a double enumerated mixer. | |
2607 | * | |
2608 | * Returns 0 for success. | |
2609 | */ | |
2610 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2611 | struct snd_ctl_elem_value *ucontrol) | |
2612 | { | |
2613 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2614 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
29ae2fa5 LPC |
2615 | unsigned int val, item; |
2616 | unsigned int reg_val; | |
db2a4165 | 2617 | |
29ae2fa5 LPC |
2618 | reg_val = snd_soc_read(codec, e->reg); |
2619 | val = (reg_val >> e->shift_l) & e->mask; | |
2620 | item = snd_soc_enum_val_to_item(e, val); | |
2621 | ucontrol->value.enumerated.item[0] = item; | |
2622 | if (e->shift_l != e->shift_r) { | |
2623 | val = (reg_val >> e->shift_l) & e->mask; | |
2624 | item = snd_soc_enum_val_to_item(e, val); | |
2625 | ucontrol->value.enumerated.item[1] = item; | |
2626 | } | |
db2a4165 FM |
2627 | |
2628 | return 0; | |
2629 | } | |
2630 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2631 | ||
2632 | /** | |
2633 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2634 | * @kcontrol: mixer control | |
ac11a2b3 | 2635 | * @ucontrol: control element information |
db2a4165 FM |
2636 | * |
2637 | * Callback to set the value of a double enumerated mixer. | |
2638 | * | |
2639 | * Returns 0 for success. | |
2640 | */ | |
2641 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2642 | struct snd_ctl_elem_value *ucontrol) | |
2643 | { | |
2644 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2645 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
29ae2fa5 | 2646 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2647 | unsigned int val; |
86767b7d | 2648 | unsigned int mask; |
db2a4165 | 2649 | |
29ae2fa5 | 2650 | if (item[0] >= e->items) |
db2a4165 | 2651 | return -EINVAL; |
29ae2fa5 | 2652 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2653 | mask = e->mask << e->shift_l; |
db2a4165 | 2654 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2655 | if (item[1] >= e->items) |
db2a4165 | 2656 | return -EINVAL; |
29ae2fa5 | 2657 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2658 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2659 | } |
2660 | ||
6c508c62 | 2661 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2662 | } |
2663 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2664 | ||
2e72f8e3 | 2665 | /** |
f227b88f MP |
2666 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
2667 | * @codec: codec | |
2668 | * @reg: Register to read | |
2669 | * @mask: Mask to use after shifting the register value | |
2670 | * @shift: Right shift of register value | |
2671 | * @sign_bit: Bit that describes if a number is negative or not. | |
2e72f8e3 | 2672 | * |
f227b88f MP |
2673 | * This functions reads a codec register. The register value is shifted right |
2674 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2675 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2676 | * |
f227b88f | 2677 | * Returns the register value as signed int. |
2e72f8e3 | 2678 | */ |
f227b88f MP |
2679 | static int snd_soc_read_signed(struct snd_soc_codec *codec, unsigned int reg, |
2680 | unsigned int mask, unsigned int shift, unsigned int sign_bit) | |
2e72f8e3 | 2681 | { |
f227b88f MP |
2682 | int ret; |
2683 | unsigned int val; | |
2e72f8e3 | 2684 | |
f227b88f | 2685 | val = (snd_soc_read(codec, reg) >> shift) & mask; |
2e72f8e3 | 2686 | |
f227b88f MP |
2687 | if (!sign_bit) |
2688 | return val; | |
2e72f8e3 | 2689 | |
f227b88f MP |
2690 | /* non-negative number */ |
2691 | if (!(val & BIT(sign_bit))) | |
2692 | return val; | |
2e72f8e3 | 2693 | |
f227b88f | 2694 | ret = val; |
2e72f8e3 | 2695 | |
f227b88f MP |
2696 | /* |
2697 | * The register most probably does not contain a full-sized int. | |
2698 | * Instead we have an arbitrary number of bits in a signed | |
2699 | * representation which has to be translated into a full-sized int. | |
2700 | * This is done by filling up all bits above the sign-bit. | |
2701 | */ | |
2702 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2703 | ||
2704 | return ret; | |
2e72f8e3 | 2705 | } |
2e72f8e3 | 2706 | |
db2a4165 FM |
2707 | /** |
2708 | * snd_soc_info_volsw - single mixer info callback | |
2709 | * @kcontrol: mixer control | |
2710 | * @uinfo: control element information | |
2711 | * | |
e8f5a103 PU |
2712 | * Callback to provide information about a single mixer control, or a double |
2713 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2714 | * |
2715 | * Returns 0 for success. | |
2716 | */ | |
2717 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2718 | struct snd_ctl_elem_info *uinfo) | |
2719 | { | |
4eaa9819 JS |
2720 | struct soc_mixer_control *mc = |
2721 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2722 | int platform_max; |
db2a4165 | 2723 | |
d11bb4a9 PU |
2724 | if (!mc->platform_max) |
2725 | mc->platform_max = mc->max; | |
2726 | platform_max = mc->platform_max; | |
2727 | ||
2728 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2729 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2730 | else | |
2731 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2732 | ||
e8f5a103 | 2733 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2734 | uinfo->value.integer.min = 0; |
f227b88f | 2735 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2736 | return 0; |
2737 | } | |
2738 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2739 | ||
2740 | /** | |
2741 | * snd_soc_get_volsw - single mixer get callback | |
2742 | * @kcontrol: mixer control | |
ac11a2b3 | 2743 | * @ucontrol: control element information |
db2a4165 | 2744 | * |
f7915d99 PU |
2745 | * Callback to get the value of a single mixer control, or a double mixer |
2746 | * control that spans 2 registers. | |
db2a4165 FM |
2747 | * |
2748 | * Returns 0 for success. | |
2749 | */ | |
2750 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2751 | struct snd_ctl_elem_value *ucontrol) | |
2752 | { | |
4eaa9819 JS |
2753 | struct soc_mixer_control *mc = |
2754 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2755 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2756 | unsigned int reg = mc->reg; |
f7915d99 | 2757 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2758 | unsigned int shift = mc->shift; |
2759 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2760 | int max = mc->max; |
f227b88f MP |
2761 | int min = mc->min; |
2762 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2763 | unsigned int mask = (1 << fls(max)) - 1; |
2764 | unsigned int invert = mc->invert; | |
db2a4165 | 2765 | |
f227b88f MP |
2766 | if (sign_bit) |
2767 | mask = BIT(sign_bit + 1) - 1; | |
2768 | ||
2769 | ucontrol->value.integer.value[0] = snd_soc_read_signed(codec, reg, mask, | |
2770 | shift, sign_bit) - min; | |
f7915d99 | 2771 | if (invert) |
db2a4165 | 2772 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2773 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2774 | |
2775 | if (snd_soc_volsw_is_stereo(mc)) { | |
2776 | if (reg == reg2) | |
2777 | ucontrol->value.integer.value[1] = | |
f227b88f MP |
2778 | snd_soc_read_signed(codec, reg, mask, rshift, |
2779 | sign_bit) - min; | |
f7915d99 PU |
2780 | else |
2781 | ucontrol->value.integer.value[1] = | |
f227b88f MP |
2782 | snd_soc_read_signed(codec, reg2, mask, shift, |
2783 | sign_bit) - min; | |
f7915d99 | 2784 | if (invert) |
db2a4165 | 2785 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2786 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2787 | } |
2788 | ||
2789 | return 0; | |
2790 | } | |
2791 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2792 | ||
2793 | /** | |
2794 | * snd_soc_put_volsw - single mixer put callback | |
2795 | * @kcontrol: mixer control | |
ac11a2b3 | 2796 | * @ucontrol: control element information |
db2a4165 | 2797 | * |
974815ba PU |
2798 | * Callback to set the value of a single mixer control, or a double mixer |
2799 | * control that spans 2 registers. | |
db2a4165 FM |
2800 | * |
2801 | * Returns 0 for success. | |
2802 | */ | |
2803 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2804 | struct snd_ctl_elem_value *ucontrol) | |
2805 | { | |
4eaa9819 JS |
2806 | struct soc_mixer_control *mc = |
2807 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2808 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2809 | unsigned int reg = mc->reg; |
974815ba | 2810 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2811 | unsigned int shift = mc->shift; |
2812 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2813 | int max = mc->max; |
f227b88f MP |
2814 | int min = mc->min; |
2815 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2816 | unsigned int mask = (1 << fls(max)) - 1; |
2817 | unsigned int invert = mc->invert; | |
974815ba | 2818 | int err; |
939d9f16 | 2819 | bool type_2r = false; |
974815ba PU |
2820 | unsigned int val2 = 0; |
2821 | unsigned int val, val_mask; | |
db2a4165 | 2822 | |
f227b88f MP |
2823 | if (sign_bit) |
2824 | mask = BIT(sign_bit + 1) - 1; | |
2825 | ||
2826 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2827 | if (invert) |
a7a4ac86 | 2828 | val = max - val; |
db2a4165 FM |
2829 | val_mask = mask << shift; |
2830 | val = val << shift; | |
974815ba | 2831 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2832 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2833 | if (invert) |
a7a4ac86 | 2834 | val2 = max - val2; |
974815ba PU |
2835 | if (reg == reg2) { |
2836 | val_mask |= mask << rshift; | |
2837 | val |= val2 << rshift; | |
2838 | } else { | |
2839 | val2 = val2 << shift; | |
939d9f16 | 2840 | type_2r = true; |
974815ba | 2841 | } |
db2a4165 | 2842 | } |
6c508c62 | 2843 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2844 | if (err < 0) |
db2a4165 FM |
2845 | return err; |
2846 | ||
974815ba PU |
2847 | if (type_2r) |
2848 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2849 | ||
db2a4165 FM |
2850 | return err; |
2851 | } | |
974815ba | 2852 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2853 | |
1d99f243 BA |
2854 | /** |
2855 | * snd_soc_get_volsw_sx - single mixer get callback | |
2856 | * @kcontrol: mixer control | |
2857 | * @ucontrol: control element information | |
2858 | * | |
2859 | * Callback to get the value of a single mixer control, or a double mixer | |
2860 | * control that spans 2 registers. | |
2861 | * | |
2862 | * Returns 0 for success. | |
2863 | */ | |
2864 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2865 | struct snd_ctl_elem_value *ucontrol) | |
2866 | { | |
2867 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2868 | struct soc_mixer_control *mc = | |
2869 | (struct soc_mixer_control *)kcontrol->private_value; | |
2870 | ||
2871 | unsigned int reg = mc->reg; | |
2872 | unsigned int reg2 = mc->rreg; | |
2873 | unsigned int shift = mc->shift; | |
2874 | unsigned int rshift = mc->rshift; | |
2875 | int max = mc->max; | |
2876 | int min = mc->min; | |
2877 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2878 | ||
2879 | ucontrol->value.integer.value[0] = | |
2880 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2881 | ||
2882 | if (snd_soc_volsw_is_stereo(mc)) | |
2883 | ucontrol->value.integer.value[1] = | |
2884 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2885 | ||
2886 | return 0; | |
2887 | } | |
2888 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2889 | ||
2890 | /** | |
2891 | * snd_soc_put_volsw_sx - double mixer set callback | |
2892 | * @kcontrol: mixer control | |
2893 | * @uinfo: control element information | |
2894 | * | |
2895 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2896 | * | |
2897 | * Returns 0 for success. | |
2898 | */ | |
2899 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2900 | struct snd_ctl_elem_value *ucontrol) | |
2901 | { | |
2902 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2903 | struct soc_mixer_control *mc = | |
2904 | (struct soc_mixer_control *)kcontrol->private_value; | |
2905 | ||
2906 | unsigned int reg = mc->reg; | |
2907 | unsigned int reg2 = mc->rreg; | |
2908 | unsigned int shift = mc->shift; | |
2909 | unsigned int rshift = mc->rshift; | |
2910 | int max = mc->max; | |
2911 | int min = mc->min; | |
2912 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2913 | int err = 0; |
1d99f243 BA |
2914 | unsigned short val, val_mask, val2 = 0; |
2915 | ||
2916 | val_mask = mask << shift; | |
2917 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2918 | val = val << shift; | |
2919 | ||
d055852e MN |
2920 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2921 | if (err < 0) | |
2922 | return err; | |
1d99f243 BA |
2923 | |
2924 | if (snd_soc_volsw_is_stereo(mc)) { | |
2925 | val_mask = mask << rshift; | |
2926 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2927 | val2 = val2 << rshift; | |
2928 | ||
2929 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2930 | return err; | |
2931 | } | |
2932 | return 0; | |
2933 | } | |
2934 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2935 | ||
e13ac2e9 MB |
2936 | /** |
2937 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2938 | * @kcontrol: mixer control | |
2939 | * @uinfo: control element information | |
2940 | * | |
2941 | * Callback to provide information about a signed mixer control. | |
2942 | * | |
2943 | * Returns 0 for success. | |
2944 | */ | |
2945 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2946 | struct snd_ctl_elem_info *uinfo) | |
2947 | { | |
4eaa9819 JS |
2948 | struct soc_mixer_control *mc = |
2949 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2950 | int platform_max; |
4eaa9819 | 2951 | int min = mc->min; |
e13ac2e9 | 2952 | |
d11bb4a9 PU |
2953 | if (!mc->platform_max) |
2954 | mc->platform_max = mc->max; | |
2955 | platform_max = mc->platform_max; | |
2956 | ||
e13ac2e9 MB |
2957 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2958 | uinfo->count = 2; | |
2959 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2960 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2961 | return 0; |
2962 | } | |
2963 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2964 | ||
2965 | /** | |
2966 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2967 | * @kcontrol: mixer control | |
ac11a2b3 | 2968 | * @ucontrol: control element information |
e13ac2e9 MB |
2969 | * |
2970 | * Callback to get the value of a signed mixer control. | |
2971 | * | |
2972 | * Returns 0 for success. | |
2973 | */ | |
2974 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2975 | struct snd_ctl_elem_value *ucontrol) | |
2976 | { | |
4eaa9819 JS |
2977 | struct soc_mixer_control *mc = |
2978 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 2979 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2980 | unsigned int reg = mc->reg; |
4eaa9819 | 2981 | int min = mc->min; |
e13ac2e9 MB |
2982 | int val = snd_soc_read(codec, reg); |
2983 | ||
2984 | ucontrol->value.integer.value[0] = | |
2985 | ((signed char)(val & 0xff))-min; | |
2986 | ucontrol->value.integer.value[1] = | |
2987 | ((signed char)((val >> 8) & 0xff))-min; | |
2988 | return 0; | |
2989 | } | |
2990 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2991 | ||
2992 | /** | |
2993 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2994 | * @kcontrol: mixer control | |
ac11a2b3 | 2995 | * @ucontrol: control element information |
e13ac2e9 MB |
2996 | * |
2997 | * Callback to set the value of a signed mixer control. | |
2998 | * | |
2999 | * Returns 0 for success. | |
3000 | */ | |
3001 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
3002 | struct snd_ctl_elem_value *ucontrol) | |
3003 | { | |
4eaa9819 JS |
3004 | struct soc_mixer_control *mc = |
3005 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 3006 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 3007 | unsigned int reg = mc->reg; |
4eaa9819 | 3008 | int min = mc->min; |
46f5822f | 3009 | unsigned int val; |
e13ac2e9 MB |
3010 | |
3011 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
3012 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
3013 | ||
6c508c62 | 3014 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
3015 | } |
3016 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
3017 | ||
6c9d8cf6 AT |
3018 | /** |
3019 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
3020 | * @kcontrol: mixer control | |
3021 | * @uinfo: control element information | |
3022 | * | |
3023 | * Callback to provide information, within a range, about a single | |
3024 | * mixer control. | |
3025 | * | |
3026 | * returns 0 for success. | |
3027 | */ | |
3028 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
3029 | struct snd_ctl_elem_info *uinfo) | |
3030 | { | |
3031 | struct soc_mixer_control *mc = | |
3032 | (struct soc_mixer_control *)kcontrol->private_value; | |
3033 | int platform_max; | |
3034 | int min = mc->min; | |
3035 | ||
3036 | if (!mc->platform_max) | |
3037 | mc->platform_max = mc->max; | |
3038 | platform_max = mc->platform_max; | |
3039 | ||
3040 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 3041 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
3042 | uinfo->value.integer.min = 0; |
3043 | uinfo->value.integer.max = platform_max - min; | |
3044 | ||
3045 | return 0; | |
3046 | } | |
3047 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
3048 | ||
3049 | /** | |
3050 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
3051 | * @kcontrol: mixer control | |
3052 | * @ucontrol: control element information | |
3053 | * | |
3054 | * Callback to set the value, within a range, for a single mixer control. | |
3055 | * | |
3056 | * Returns 0 for success. | |
3057 | */ | |
3058 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
3059 | struct snd_ctl_elem_value *ucontrol) | |
3060 | { | |
3061 | struct soc_mixer_control *mc = | |
3062 | (struct soc_mixer_control *)kcontrol->private_value; | |
3063 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3064 | unsigned int reg = mc->reg; | |
9bde4f0b | 3065 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3066 | unsigned int shift = mc->shift; |
3067 | int min = mc->min; | |
3068 | int max = mc->max; | |
3069 | unsigned int mask = (1 << fls(max)) - 1; | |
3070 | unsigned int invert = mc->invert; | |
3071 | unsigned int val, val_mask; | |
9bde4f0b | 3072 | int ret; |
6c9d8cf6 AT |
3073 | |
3074 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
3075 | if (invert) | |
3076 | val = max - val; | |
3077 | val_mask = mask << shift; | |
3078 | val = val << shift; | |
3079 | ||
9bde4f0b | 3080 | ret = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
0eaa6cca | 3081 | if (ret < 0) |
9bde4f0b MB |
3082 | return ret; |
3083 | ||
3084 | if (snd_soc_volsw_is_stereo(mc)) { | |
3085 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
3086 | if (invert) | |
3087 | val = max - val; | |
3088 | val_mask = mask << shift; | |
3089 | val = val << shift; | |
3090 | ||
3091 | ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val); | |
3092 | } | |
3093 | ||
3094 | return ret; | |
6c9d8cf6 AT |
3095 | } |
3096 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
3097 | ||
3098 | /** | |
3099 | * snd_soc_get_volsw_range - single mixer get callback with range | |
3100 | * @kcontrol: mixer control | |
3101 | * @ucontrol: control element information | |
3102 | * | |
3103 | * Callback to get the value, within a range, of a single mixer control. | |
3104 | * | |
3105 | * Returns 0 for success. | |
3106 | */ | |
3107 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3108 | struct snd_ctl_elem_value *ucontrol) | |
3109 | { | |
3110 | struct soc_mixer_control *mc = | |
3111 | (struct soc_mixer_control *)kcontrol->private_value; | |
3112 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3113 | unsigned int reg = mc->reg; | |
9bde4f0b | 3114 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3115 | unsigned int shift = mc->shift; |
3116 | int min = mc->min; | |
3117 | int max = mc->max; | |
3118 | unsigned int mask = (1 << fls(max)) - 1; | |
3119 | unsigned int invert = mc->invert; | |
3120 | ||
3121 | ucontrol->value.integer.value[0] = | |
3122 | (snd_soc_read(codec, reg) >> shift) & mask; | |
3123 | if (invert) | |
3124 | ucontrol->value.integer.value[0] = | |
3125 | max - ucontrol->value.integer.value[0]; | |
3126 | ucontrol->value.integer.value[0] = | |
3127 | ucontrol->value.integer.value[0] - min; | |
3128 | ||
9bde4f0b MB |
3129 | if (snd_soc_volsw_is_stereo(mc)) { |
3130 | ucontrol->value.integer.value[1] = | |
3131 | (snd_soc_read(codec, rreg) >> shift) & mask; | |
3132 | if (invert) | |
3133 | ucontrol->value.integer.value[1] = | |
3134 | max - ucontrol->value.integer.value[1]; | |
3135 | ucontrol->value.integer.value[1] = | |
3136 | ucontrol->value.integer.value[1] - min; | |
3137 | } | |
3138 | ||
6c9d8cf6 AT |
3139 | return 0; |
3140 | } | |
3141 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3142 | ||
637d3847 PU |
3143 | /** |
3144 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3145 | * | |
3146 | * @codec: where to look for the control | |
3147 | * @name: Name of the control | |
3148 | * @max: new maximum limit | |
3149 | * | |
3150 | * Return 0 for success, else error. | |
3151 | */ | |
3152 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3153 | const char *name, int max) | |
3154 | { | |
f0fba2ad | 3155 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3156 | struct snd_kcontrol *kctl; |
3157 | struct soc_mixer_control *mc; | |
3158 | int found = 0; | |
3159 | int ret = -EINVAL; | |
3160 | ||
3161 | /* Sanity check for name and max */ | |
3162 | if (unlikely(!name || max <= 0)) | |
3163 | return -EINVAL; | |
3164 | ||
3165 | list_for_each_entry(kctl, &card->controls, list) { | |
3166 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3167 | found = 1; | |
3168 | break; | |
3169 | } | |
3170 | } | |
3171 | if (found) { | |
3172 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3173 | if (max <= mc->max) { | |
d11bb4a9 | 3174 | mc->platform_max = max; |
637d3847 PU |
3175 | ret = 0; |
3176 | } | |
3177 | } | |
3178 | return ret; | |
3179 | } | |
3180 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3181 | ||
71d08516 MB |
3182 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3183 | struct snd_ctl_elem_info *uinfo) | |
3184 | { | |
3185 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3186 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3187 | ||
3188 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3189 | uinfo->count = params->num_regs * codec->val_bytes; | |
3190 | ||
3191 | return 0; | |
3192 | } | |
3193 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3194 | ||
3195 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3196 | struct snd_ctl_elem_value *ucontrol) | |
3197 | { | |
3198 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3199 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3200 | int ret; | |
3201 | ||
3202 | if (codec->using_regmap) | |
3203 | ret = regmap_raw_read(codec->control_data, params->base, | |
3204 | ucontrol->value.bytes.data, | |
3205 | params->num_regs * codec->val_bytes); | |
3206 | else | |
3207 | ret = -EINVAL; | |
3208 | ||
f831b055 MB |
3209 | /* Hide any masked bytes to ensure consistent data reporting */ |
3210 | if (ret == 0 && params->mask) { | |
3211 | switch (codec->val_bytes) { | |
3212 | case 1: | |
3213 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3214 | break; | |
3215 | case 2: | |
3216 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3217 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
3218 | break; |
3219 | case 4: | |
3220 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3221 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
3222 | break; |
3223 | default: | |
3224 | return -EINVAL; | |
3225 | } | |
3226 | } | |
3227 | ||
71d08516 MB |
3228 | return ret; |
3229 | } | |
3230 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3231 | ||
3232 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3233 | struct snd_ctl_elem_value *ucontrol) | |
3234 | { | |
3235 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3236 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 | 3237 | int ret, len; |
a1a564ed | 3238 | unsigned int val, mask; |
f831b055 | 3239 | void *data; |
71d08516 | 3240 | |
f831b055 MB |
3241 | if (!codec->using_regmap) |
3242 | return -EINVAL; | |
3243 | ||
f831b055 MB |
3244 | len = params->num_regs * codec->val_bytes; |
3245 | ||
b5a8fe43 MB |
3246 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3247 | if (!data) | |
3248 | return -ENOMEM; | |
3249 | ||
f831b055 MB |
3250 | /* |
3251 | * If we've got a mask then we need to preserve the register | |
3252 | * bits. We shouldn't modify the incoming data so take a | |
3253 | * copy. | |
3254 | */ | |
3255 | if (params->mask) { | |
3256 | ret = regmap_read(codec->control_data, params->base, &val); | |
3257 | if (ret != 0) | |
e8b18add | 3258 | goto out; |
f831b055 MB |
3259 | |
3260 | val &= params->mask; | |
3261 | ||
f831b055 MB |
3262 | switch (codec->val_bytes) { |
3263 | case 1: | |
3264 | ((u8 *)data)[0] &= ~params->mask; | |
3265 | ((u8 *)data)[0] |= val; | |
3266 | break; | |
3267 | case 2: | |
a1a564ed NC |
3268 | mask = ~params->mask; |
3269 | ret = regmap_parse_val(codec->control_data, | |
3270 | &mask, &mask); | |
3271 | if (ret != 0) | |
3272 | goto out; | |
3273 | ||
3274 | ((u16 *)data)[0] &= mask; | |
3275 | ||
3276 | ret = regmap_parse_val(codec->control_data, | |
3277 | &val, &val); | |
3278 | if (ret != 0) | |
3279 | goto out; | |
3280 | ||
3281 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
3282 | break; |
3283 | case 4: | |
a1a564ed NC |
3284 | mask = ~params->mask; |
3285 | ret = regmap_parse_val(codec->control_data, | |
3286 | &mask, &mask); | |
3287 | if (ret != 0) | |
3288 | goto out; | |
3289 | ||
3290 | ((u32 *)data)[0] &= mask; | |
3291 | ||
3292 | ret = regmap_parse_val(codec->control_data, | |
3293 | &val, &val); | |
3294 | if (ret != 0) | |
3295 | goto out; | |
3296 | ||
3297 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
3298 | break; |
3299 | default: | |
e8b18add WY |
3300 | ret = -EINVAL; |
3301 | goto out; | |
f831b055 MB |
3302 | } |
3303 | } | |
3304 | ||
3305 | ret = regmap_raw_write(codec->control_data, params->base, | |
3306 | data, len); | |
3307 | ||
e8b18add | 3308 | out: |
b5a8fe43 | 3309 | kfree(data); |
71d08516 MB |
3310 | |
3311 | return ret; | |
3312 | } | |
3313 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3314 | ||
4183eed2 KK |
3315 | /** |
3316 | * snd_soc_info_xr_sx - signed multi register info callback | |
3317 | * @kcontrol: mreg control | |
3318 | * @uinfo: control element information | |
3319 | * | |
3320 | * Callback to provide information of a control that can | |
3321 | * span multiple codec registers which together | |
3322 | * forms a single signed value in a MSB/LSB manner. | |
3323 | * | |
3324 | * Returns 0 for success. | |
3325 | */ | |
3326 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3327 | struct snd_ctl_elem_info *uinfo) | |
3328 | { | |
3329 | struct soc_mreg_control *mc = | |
3330 | (struct soc_mreg_control *)kcontrol->private_value; | |
3331 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3332 | uinfo->count = 1; | |
3333 | uinfo->value.integer.min = mc->min; | |
3334 | uinfo->value.integer.max = mc->max; | |
3335 | ||
3336 | return 0; | |
3337 | } | |
3338 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3339 | ||
3340 | /** | |
3341 | * snd_soc_get_xr_sx - signed multi register get callback | |
3342 | * @kcontrol: mreg control | |
3343 | * @ucontrol: control element information | |
3344 | * | |
3345 | * Callback to get the value of a control that can span | |
3346 | * multiple codec registers which together forms a single | |
3347 | * signed value in a MSB/LSB manner. The control supports | |
3348 | * specifying total no of bits used to allow for bitfields | |
3349 | * across the multiple codec registers. | |
3350 | * | |
3351 | * Returns 0 for success. | |
3352 | */ | |
3353 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3354 | struct snd_ctl_elem_value *ucontrol) | |
3355 | { | |
3356 | struct soc_mreg_control *mc = | |
3357 | (struct soc_mreg_control *)kcontrol->private_value; | |
3358 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3359 | unsigned int regbase = mc->regbase; | |
3360 | unsigned int regcount = mc->regcount; | |
3361 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3362 | unsigned int regwmask = (1<<regwshift)-1; | |
3363 | unsigned int invert = mc->invert; | |
3364 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3365 | long min = mc->min; | |
3366 | long max = mc->max; | |
3367 | long val = 0; | |
3368 | unsigned long regval; | |
3369 | unsigned int i; | |
3370 | ||
3371 | for (i = 0; i < regcount; i++) { | |
3372 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3373 | val |= regval << (regwshift*(regcount-i-1)); | |
3374 | } | |
3375 | val &= mask; | |
3376 | if (min < 0 && val > max) | |
3377 | val |= ~mask; | |
3378 | if (invert) | |
3379 | val = max - val; | |
3380 | ucontrol->value.integer.value[0] = val; | |
3381 | ||
3382 | return 0; | |
3383 | } | |
3384 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3385 | ||
3386 | /** | |
3387 | * snd_soc_put_xr_sx - signed multi register get callback | |
3388 | * @kcontrol: mreg control | |
3389 | * @ucontrol: control element information | |
3390 | * | |
3391 | * Callback to set the value of a control that can span | |
3392 | * multiple codec registers which together forms a single | |
3393 | * signed value in a MSB/LSB manner. The control supports | |
3394 | * specifying total no of bits used to allow for bitfields | |
3395 | * across the multiple codec registers. | |
3396 | * | |
3397 | * Returns 0 for success. | |
3398 | */ | |
3399 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3400 | struct snd_ctl_elem_value *ucontrol) | |
3401 | { | |
3402 | struct soc_mreg_control *mc = | |
3403 | (struct soc_mreg_control *)kcontrol->private_value; | |
3404 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3405 | unsigned int regbase = mc->regbase; | |
3406 | unsigned int regcount = mc->regcount; | |
3407 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3408 | unsigned int regwmask = (1<<regwshift)-1; | |
3409 | unsigned int invert = mc->invert; | |
3410 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3411 | long max = mc->max; |
3412 | long val = ucontrol->value.integer.value[0]; | |
3413 | unsigned int i, regval, regmask; | |
3414 | int err; | |
3415 | ||
3416 | if (invert) | |
3417 | val = max - val; | |
3418 | val &= mask; | |
3419 | for (i = 0; i < regcount; i++) { | |
3420 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3421 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3422 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3423 | regmask, regval); | |
3424 | if (err < 0) | |
3425 | return err; | |
3426 | } | |
3427 | ||
3428 | return 0; | |
3429 | } | |
3430 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3431 | ||
dd7b10b3 KK |
3432 | /** |
3433 | * snd_soc_get_strobe - strobe get callback | |
3434 | * @kcontrol: mixer control | |
3435 | * @ucontrol: control element information | |
3436 | * | |
3437 | * Callback get the value of a strobe mixer control. | |
3438 | * | |
3439 | * Returns 0 for success. | |
3440 | */ | |
3441 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3442 | struct snd_ctl_elem_value *ucontrol) | |
3443 | { | |
3444 | struct soc_mixer_control *mc = | |
3445 | (struct soc_mixer_control *)kcontrol->private_value; | |
3446 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3447 | unsigned int reg = mc->reg; | |
3448 | unsigned int shift = mc->shift; | |
3449 | unsigned int mask = 1 << shift; | |
3450 | unsigned int invert = mc->invert != 0; | |
3451 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3452 | ||
3453 | if (shift != 0 && val != 0) | |
3454 | val = val >> shift; | |
3455 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3456 | ||
3457 | return 0; | |
3458 | } | |
3459 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3460 | ||
3461 | /** | |
3462 | * snd_soc_put_strobe - strobe put callback | |
3463 | * @kcontrol: mixer control | |
3464 | * @ucontrol: control element information | |
3465 | * | |
3466 | * Callback strobe a register bit to high then low (or the inverse) | |
3467 | * in one pass of a single mixer enum control. | |
3468 | * | |
3469 | * Returns 1 for success. | |
3470 | */ | |
3471 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3472 | struct snd_ctl_elem_value *ucontrol) | |
3473 | { | |
3474 | struct soc_mixer_control *mc = | |
3475 | (struct soc_mixer_control *)kcontrol->private_value; | |
3476 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3477 | unsigned int reg = mc->reg; | |
3478 | unsigned int shift = mc->shift; | |
3479 | unsigned int mask = 1 << shift; | |
3480 | unsigned int invert = mc->invert != 0; | |
3481 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3482 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3483 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3484 | int err; | |
3485 | ||
3486 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3487 | if (err < 0) | |
3488 | return err; | |
3489 | ||
3490 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3491 | return err; | |
3492 | } | |
3493 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3494 | ||
8c6529db LG |
3495 | /** |
3496 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3497 | * @dai: DAI | |
3498 | * @clk_id: DAI specific clock ID | |
3499 | * @freq: new clock frequency in Hz | |
3500 | * @dir: new clock direction - input/output. | |
3501 | * | |
3502 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3503 | */ | |
3504 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3505 | unsigned int freq, int dir) | |
3506 | { | |
f0fba2ad LG |
3507 | if (dai->driver && dai->driver->ops->set_sysclk) |
3508 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3509 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3510 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3511 | freq, dir); |
8c6529db | 3512 | else |
1104a9c8 | 3513 | return -ENOTSUPP; |
8c6529db LG |
3514 | } |
3515 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3516 | ||
ec4ee52a MB |
3517 | /** |
3518 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3519 | * @codec: CODEC | |
3520 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3521 | * @source: Source for the clock |
ec4ee52a MB |
3522 | * @freq: new clock frequency in Hz |
3523 | * @dir: new clock direction - input/output. | |
3524 | * | |
3525 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3526 | */ | |
3527 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3528 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3529 | { |
3530 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3531 | return codec->driver->set_sysclk(codec, clk_id, source, |
3532 | freq, dir); | |
ec4ee52a | 3533 | else |
1104a9c8 | 3534 | return -ENOTSUPP; |
ec4ee52a MB |
3535 | } |
3536 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3537 | ||
8c6529db LG |
3538 | /** |
3539 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3540 | * @dai: DAI | |
ac11a2b3 | 3541 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3542 | * @div: new clock divisor. |
3543 | * | |
3544 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3545 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3546 | * and frame clocks as low as possible to save system power. | |
3547 | */ | |
3548 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3549 | int div_id, int div) | |
3550 | { | |
f0fba2ad LG |
3551 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3552 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3553 | else |
3554 | return -EINVAL; | |
3555 | } | |
3556 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3557 | ||
3558 | /** | |
3559 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3560 | * @dai: DAI | |
3561 | * @pll_id: DAI specific PLL ID | |
85488037 | 3562 | * @source: DAI specific source for the PLL |
8c6529db LG |
3563 | * @freq_in: PLL input clock frequency in Hz |
3564 | * @freq_out: requested PLL output clock frequency in Hz | |
3565 | * | |
3566 | * Configures and enables PLL to generate output clock based on input clock. | |
3567 | */ | |
85488037 MB |
3568 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3569 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3570 | { |
f0fba2ad LG |
3571 | if (dai->driver && dai->driver->ops->set_pll) |
3572 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3573 | freq_in, freq_out); |
ec4ee52a MB |
3574 | else if (dai->codec && dai->codec->driver->set_pll) |
3575 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3576 | freq_in, freq_out); | |
8c6529db LG |
3577 | else |
3578 | return -EINVAL; | |
3579 | } | |
3580 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3581 | ||
ec4ee52a MB |
3582 | /* |
3583 | * snd_soc_codec_set_pll - configure codec PLL. | |
3584 | * @codec: CODEC | |
3585 | * @pll_id: DAI specific PLL ID | |
3586 | * @source: DAI specific source for the PLL | |
3587 | * @freq_in: PLL input clock frequency in Hz | |
3588 | * @freq_out: requested PLL output clock frequency in Hz | |
3589 | * | |
3590 | * Configures and enables PLL to generate output clock based on input clock. | |
3591 | */ | |
3592 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3593 | unsigned int freq_in, unsigned int freq_out) | |
3594 | { | |
3595 | if (codec->driver->set_pll) | |
3596 | return codec->driver->set_pll(codec, pll_id, source, | |
3597 | freq_in, freq_out); | |
3598 | else | |
3599 | return -EINVAL; | |
3600 | } | |
3601 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3602 | ||
e54cf76b LG |
3603 | /** |
3604 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3605 | * @dai: DAI | |
3606 | * @ratio Ratio of BCLK to Sample rate. | |
3607 | * | |
3608 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3609 | */ | |
3610 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3611 | { | |
3612 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3613 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3614 | else | |
3615 | return -EINVAL; | |
3616 | } | |
3617 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3618 | ||
8c6529db LG |
3619 | /** |
3620 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3621 | * @dai: DAI | |
8c6529db LG |
3622 | * @fmt: SND_SOC_DAIFMT_ format value. |
3623 | * | |
3624 | * Configures the DAI hardware format and clocking. | |
3625 | */ | |
3626 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3627 | { | |
5e4ba569 | 3628 | if (dai->driver == NULL) |
8c6529db | 3629 | return -EINVAL; |
5e4ba569 SG |
3630 | if (dai->driver->ops->set_fmt == NULL) |
3631 | return -ENOTSUPP; | |
3632 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3633 | } |
3634 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3635 | ||
89c67857 | 3636 | /** |
e5c21514 | 3637 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3638 | * @slots: Number of slots in use. |
3639 | * @tx_mask: bitmask representing active TX slots. | |
3640 | * @rx_mask: bitmask representing active RX slots. | |
3641 | * | |
3642 | * Generates the TDM tx and rx slot default masks for DAI. | |
3643 | */ | |
e5c21514 | 3644 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3645 | unsigned int *tx_mask, |
3646 | unsigned int *rx_mask) | |
3647 | { | |
3648 | if (*tx_mask || *rx_mask) | |
3649 | return 0; | |
3650 | ||
3651 | if (!slots) | |
3652 | return -EINVAL; | |
3653 | ||
3654 | *tx_mask = (1 << slots) - 1; | |
3655 | *rx_mask = (1 << slots) - 1; | |
3656 | ||
3657 | return 0; | |
3658 | } | |
3659 | ||
8c6529db LG |
3660 | /** |
3661 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3662 | * @dai: DAI | |
a5479e38 DR |
3663 | * @tx_mask: bitmask representing active TX slots. |
3664 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3665 | * @slots: Number of slots in use. |
a5479e38 | 3666 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3667 | * |
3668 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3669 | * specific. | |
3670 | */ | |
3671 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3672 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3673 | { |
e5c21514 XL |
3674 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3675 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3676 | &tx_mask, &rx_mask); |
3677 | else | |
e5c21514 | 3678 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3679 | |
f0fba2ad LG |
3680 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3681 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3682 | slots, slot_width); |
8c6529db | 3683 | else |
b2cbb6e1 | 3684 | return -ENOTSUPP; |
8c6529db LG |
3685 | } |
3686 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3687 | ||
472df3cb BS |
3688 | /** |
3689 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3690 | * @dai: DAI | |
3691 | * @tx_num: how many TX channels | |
3692 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3693 | * 0~num-1 uses | |
3694 | * @rx_num: how many RX channels | |
3695 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3696 | * 0~num-1 uses | |
3697 | * | |
3698 | * configure the relationship between channel number and TDM slot number. | |
3699 | */ | |
3700 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3701 | unsigned int tx_num, unsigned int *tx_slot, | |
3702 | unsigned int rx_num, unsigned int *rx_slot) | |
3703 | { | |
f0fba2ad LG |
3704 | if (dai->driver && dai->driver->ops->set_channel_map) |
3705 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3706 | rx_num, rx_slot); |
3707 | else | |
3708 | return -EINVAL; | |
3709 | } | |
3710 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3711 | ||
8c6529db LG |
3712 | /** |
3713 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3714 | * @dai: DAI | |
3715 | * @tristate: tristate enable | |
3716 | * | |
3717 | * Tristates the DAI so that others can use it. | |
3718 | */ | |
3719 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3720 | { | |
f0fba2ad LG |
3721 | if (dai->driver && dai->driver->ops->set_tristate) |
3722 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3723 | else |
3724 | return -EINVAL; | |
3725 | } | |
3726 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3727 | ||
3728 | /** | |
3729 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3730 | * @dai: DAI | |
3731 | * @mute: mute enable | |
da18396f | 3732 | * @direction: stream to mute |
8c6529db LG |
3733 | * |
3734 | * Mutes the DAI DAC. | |
3735 | */ | |
da18396f MB |
3736 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3737 | int direction) | |
8c6529db | 3738 | { |
da18396f MB |
3739 | if (!dai->driver) |
3740 | return -ENOTSUPP; | |
3741 | ||
3742 | if (dai->driver->ops->mute_stream) | |
3743 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3744 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3745 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3746 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3747 | else |
04570c62 | 3748 | return -ENOTSUPP; |
8c6529db LG |
3749 | } |
3750 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3751 | ||
c5af3a2e MB |
3752 | /** |
3753 | * snd_soc_register_card - Register a card with the ASoC core | |
3754 | * | |
ac11a2b3 | 3755 | * @card: Card to register |
c5af3a2e | 3756 | * |
c5af3a2e | 3757 | */ |
70a7ca34 | 3758 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3759 | { |
b19e6e7b | 3760 | int i, ret; |
f0fba2ad | 3761 | |
c5af3a2e MB |
3762 | if (!card->name || !card->dev) |
3763 | return -EINVAL; | |
3764 | ||
5a504963 SW |
3765 | for (i = 0; i < card->num_links; i++) { |
3766 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3767 | ||
3768 | /* | |
3769 | * Codec must be specified by 1 of name or OF node, | |
3770 | * not both or neither. | |
3771 | */ | |
3772 | if (!!link->codec_name == !!link->codec_of_node) { | |
10e8aa9a MM |
3773 | dev_err(card->dev, |
3774 | "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3775 | link->name); | |
5a504963 SW |
3776 | return -EINVAL; |
3777 | } | |
bc92657a SW |
3778 | /* Codec DAI name must be specified */ |
3779 | if (!link->codec_dai_name) { | |
10e8aa9a MM |
3780 | dev_err(card->dev, |
3781 | "ASoC: codec_dai_name not set for %s\n", | |
3782 | link->name); | |
bc92657a SW |
3783 | return -EINVAL; |
3784 | } | |
5a504963 SW |
3785 | |
3786 | /* | |
3787 | * Platform may be specified by either name or OF node, but | |
3788 | * can be left unspecified, and a dummy platform will be used. | |
3789 | */ | |
3790 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3791 | dev_err(card->dev, |
3792 | "ASoC: Both platform name/of_node are set for %s\n", | |
3793 | link->name); | |
5a504963 SW |
3794 | return -EINVAL; |
3795 | } | |
3796 | ||
3797 | /* | |
bc92657a SW |
3798 | * CPU device may be specified by either name or OF node, but |
3799 | * can be left unspecified, and will be matched based on DAI | |
3800 | * name alone.. | |
3801 | */ | |
3802 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3803 | dev_err(card->dev, |
3804 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3805 | link->name); | |
bc92657a SW |
3806 | return -EINVAL; |
3807 | } | |
3808 | /* | |
3809 | * At least one of CPU DAI name or CPU device name/node must be | |
3810 | * specified | |
5a504963 | 3811 | */ |
bc92657a SW |
3812 | if (!link->cpu_dai_name && |
3813 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3814 | dev_err(card->dev, |
3815 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3816 | link->name); | |
5a504963 SW |
3817 | return -EINVAL; |
3818 | } | |
3819 | } | |
3820 | ||
ed77cc12 MB |
3821 | dev_set_drvdata(card->dev, card); |
3822 | ||
111c6419 SW |
3823 | snd_soc_initialize_card_lists(card); |
3824 | ||
150dd2f8 VK |
3825 | soc_init_card_debugfs(card); |
3826 | ||
181a6892 MB |
3827 | card->rtd = devm_kzalloc(card->dev, |
3828 | sizeof(struct snd_soc_pcm_runtime) * | |
3829 | (card->num_links + card->num_aux_devs), | |
3830 | GFP_KERNEL); | |
f0fba2ad LG |
3831 | if (card->rtd == NULL) |
3832 | return -ENOMEM; | |
a7dbb603 | 3833 | card->num_rtd = 0; |
2eea392d | 3834 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3835 | |
3836 | for (i = 0; i < card->num_links; i++) | |
3837 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3838 | ||
c5af3a2e | 3839 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3840 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3841 | card->instantiated = 0; |
f0fba2ad | 3842 | mutex_init(&card->mutex); |
a73fb2df | 3843 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3844 | |
b19e6e7b MB |
3845 | ret = snd_soc_instantiate_card(card); |
3846 | if (ret != 0) | |
3847 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3848 | |
988e8cc4 NC |
3849 | /* deactivate pins to sleep state */ |
3850 | for (i = 0; i < card->num_rtd; i++) { | |
3851 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3852 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
3853 | if (!codec_dai->active) | |
3854 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3855 | if (!cpu_dai->active) | |
3856 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3857 | } | |
3858 | ||
b19e6e7b | 3859 | return ret; |
c5af3a2e | 3860 | } |
70a7ca34 | 3861 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3862 | |
3863 | /** | |
3864 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3865 | * | |
ac11a2b3 | 3866 | * @card: Card to unregister |
c5af3a2e | 3867 | * |
c5af3a2e | 3868 | */ |
70a7ca34 | 3869 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3870 | { |
b0e26485 VK |
3871 | if (card->instantiated) |
3872 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3873 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3874 | |
3875 | return 0; | |
3876 | } | |
70a7ca34 | 3877 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3878 | |
f0fba2ad LG |
3879 | /* |
3880 | * Simplify DAI link configuration by removing ".-1" from device names | |
3881 | * and sanitizing names. | |
3882 | */ | |
0b9a214a | 3883 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3884 | { |
3885 | char *found, name[NAME_SIZE]; | |
3886 | int id1, id2; | |
3887 | ||
3888 | if (dev_name(dev) == NULL) | |
3889 | return NULL; | |
3890 | ||
58818a77 | 3891 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3892 | |
3893 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3894 | found = strstr(name, dev->driver->name); | |
3895 | if (found) { | |
3896 | /* get ID */ | |
3897 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3898 | ||
3899 | /* discard ID from name if ID == -1 */ | |
3900 | if (*id == -1) | |
3901 | found[strlen(dev->driver->name)] = '\0'; | |
3902 | } | |
3903 | ||
3904 | } else { | |
3905 | /* I2C component devices are named "bus-addr" */ | |
3906 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3907 | char tmp[NAME_SIZE]; | |
3908 | ||
3909 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3910 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3911 | |
3912 | /* sanitize component name for DAI link creation */ | |
3913 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3914 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3915 | } else |
3916 | *id = 0; | |
3917 | } | |
3918 | ||
3919 | return kstrdup(name, GFP_KERNEL); | |
3920 | } | |
3921 | ||
3922 | /* | |
3923 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3924 | * any ".-1" and using the DAI name (instead of device name). | |
3925 | */ | |
3926 | static inline char *fmt_multiple_name(struct device *dev, | |
3927 | struct snd_soc_dai_driver *dai_drv) | |
3928 | { | |
3929 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3930 | dev_err(dev, |
3931 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3932 | dev_name(dev)); | |
f0fba2ad LG |
3933 | return NULL; |
3934 | } | |
3935 | ||
3936 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3937 | } | |
3938 | ||
9115171a | 3939 | /** |
32c9ba54 | 3940 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3941 | * |
32c9ba54 | 3942 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3943 | */ |
32c9ba54 | 3944 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3945 | { |
5c1d5f09 | 3946 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3947 | |
5c1d5f09 | 3948 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3949 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3950 | dai->name); | |
5c1d5f09 | 3951 | list_del(&dai->list); |
32c9ba54 | 3952 | kfree(dai->name); |
f0fba2ad | 3953 | kfree(dai); |
f0fba2ad | 3954 | } |
9115171a | 3955 | } |
9115171a MB |
3956 | |
3957 | /** | |
32c9ba54 | 3958 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 3959 | * |
6106d129 | 3960 | * @component: The component the DAIs are registered for |
6cc240f3 LPC |
3961 | * @codec: The CODEC that the DAIs are registered for, NULL if the component is |
3962 | * not a CODEC. | |
6106d129 | 3963 | * @dai_drv: DAI driver to use for the DAIs |
ac11a2b3 | 3964 | * @count: Number of DAIs |
32c9ba54 LPC |
3965 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
3966 | * parent's name. | |
9115171a | 3967 | */ |
6106d129 | 3968 | static int snd_soc_register_dais(struct snd_soc_component *component, |
6cc240f3 LPC |
3969 | struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv, |
3970 | size_t count, bool legacy_dai_naming) | |
9115171a | 3971 | { |
6106d129 | 3972 | struct device *dev = component->dev; |
f0fba2ad | 3973 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
3974 | unsigned int i; |
3975 | int ret; | |
f0fba2ad | 3976 | |
f110bfc7 | 3977 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
3978 | |
3979 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
3980 | |
3981 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3982 | if (dai == NULL) { |
3983 | ret = -ENOMEM; | |
3984 | goto err; | |
3985 | } | |
f0fba2ad | 3986 | |
32c9ba54 LPC |
3987 | /* |
3988 | * Back in the old days when we still had component-less DAIs, | |
3989 | * instead of having a static name, component-less DAIs would | |
3990 | * inherit the name of the parent device so it is possible to | |
3991 | * register multiple instances of the DAI. We still need to keep | |
3992 | * the same naming style even though those DAIs are not | |
3993 | * component-less anymore. | |
3994 | */ | |
3995 | if (count == 1 && legacy_dai_naming) { | |
3996 | dai->name = fmt_single_name(dev, &dai->id); | |
3997 | } else { | |
3998 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3999 | if (dai_drv[i].id) | |
4000 | dai->id = dai_drv[i].id; | |
4001 | else | |
4002 | dai->id = i; | |
4003 | } | |
f0fba2ad LG |
4004 | if (dai->name == NULL) { |
4005 | kfree(dai); | |
32c9ba54 | 4006 | ret = -ENOMEM; |
9115171a | 4007 | goto err; |
f0fba2ad LG |
4008 | } |
4009 | ||
6106d129 | 4010 | dai->component = component; |
6cc240f3 | 4011 | dai->codec = codec; |
f0fba2ad | 4012 | dai->dev = dev; |
f0fba2ad | 4013 | dai->driver = &dai_drv[i]; |
be09ad90 | 4014 | dai->dapm.dev = dev; |
f0fba2ad LG |
4015 | if (!dai->driver->ops) |
4016 | dai->driver->ops = &null_dai_ops; | |
4017 | ||
5f800080 PU |
4018 | if (!dai->codec) |
4019 | dai->dapm.idle_bias_off = 1; | |
4020 | ||
1438c2f6 | 4021 | list_add(&dai->list, &component->dai_list); |
054880fe | 4022 | |
32c9ba54 | 4023 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
4024 | } |
4025 | ||
4026 | return 0; | |
4027 | ||
4028 | err: | |
32c9ba54 | 4029 | snd_soc_unregister_dais(component); |
9115171a MB |
4030 | |
4031 | return ret; | |
4032 | } | |
9115171a | 4033 | |
d191bd8d KM |
4034 | /** |
4035 | * snd_soc_register_component - Register a component with the ASoC core | |
4036 | * | |
4037 | */ | |
4038 | static int | |
4039 | __snd_soc_register_component(struct device *dev, | |
4040 | struct snd_soc_component *cmpnt, | |
4041 | const struct snd_soc_component_driver *cmpnt_drv, | |
6cc240f3 | 4042 | struct snd_soc_codec *codec, |
d191bd8d KM |
4043 | struct snd_soc_dai_driver *dai_drv, |
4044 | int num_dai, bool allow_single_dai) | |
4045 | { | |
4046 | int ret; | |
4047 | ||
4048 | dev_dbg(dev, "component register %s\n", dev_name(dev)); | |
4049 | ||
4050 | if (!cmpnt) { | |
4051 | dev_err(dev, "ASoC: Failed to connecting component\n"); | |
4052 | return -ENOMEM; | |
4053 | } | |
4054 | ||
4055 | cmpnt->name = fmt_single_name(dev, &cmpnt->id); | |
4056 | if (!cmpnt->name) { | |
4057 | dev_err(dev, "ASoC: Failed to simplifying name\n"); | |
4058 | return -ENOMEM; | |
4059 | } | |
4060 | ||
4061 | cmpnt->dev = dev; | |
4062 | cmpnt->driver = cmpnt_drv; | |
6833c452 | 4063 | cmpnt->dai_drv = dai_drv; |
d191bd8d | 4064 | cmpnt->num_dai = num_dai; |
1438c2f6 | 4065 | INIT_LIST_HEAD(&cmpnt->dai_list); |
d191bd8d | 4066 | |
6cc240f3 LPC |
4067 | ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai, |
4068 | allow_single_dai); | |
d191bd8d KM |
4069 | if (ret < 0) { |
4070 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4071 | goto error_component_name; | |
4072 | } | |
4073 | ||
4074 | mutex_lock(&client_mutex); | |
4075 | list_add(&cmpnt->list, &component_list); | |
4076 | mutex_unlock(&client_mutex); | |
4077 | ||
4078 | dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); | |
4079 | ||
4080 | return ret; | |
4081 | ||
4082 | error_component_name: | |
4083 | kfree(cmpnt->name); | |
4084 | ||
4085 | return ret; | |
4086 | } | |
4087 | ||
4088 | int snd_soc_register_component(struct device *dev, | |
4089 | const struct snd_soc_component_driver *cmpnt_drv, | |
4090 | struct snd_soc_dai_driver *dai_drv, | |
4091 | int num_dai) | |
4092 | { | |
4093 | struct snd_soc_component *cmpnt; | |
4094 | ||
4095 | cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); | |
4096 | if (!cmpnt) { | |
4097 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4098 | return -ENOMEM; | |
4099 | } | |
4100 | ||
3d59400f LPC |
4101 | cmpnt->ignore_pmdown_time = true; |
4102 | ||
6cc240f3 | 4103 | return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL, |
d191bd8d KM |
4104 | dai_drv, num_dai, true); |
4105 | } | |
4106 | EXPORT_SYMBOL_GPL(snd_soc_register_component); | |
4107 | ||
4108 | /** | |
4109 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4110 | * | |
4111 | */ | |
4112 | void snd_soc_unregister_component(struct device *dev) | |
4113 | { | |
4114 | struct snd_soc_component *cmpnt; | |
4115 | ||
4116 | list_for_each_entry(cmpnt, &component_list, list) { | |
4117 | if (dev == cmpnt->dev) | |
4118 | goto found; | |
4119 | } | |
4120 | return; | |
4121 | ||
4122 | found: | |
32c9ba54 | 4123 | snd_soc_unregister_dais(cmpnt); |
d191bd8d KM |
4124 | |
4125 | mutex_lock(&client_mutex); | |
4126 | list_del(&cmpnt->list); | |
4127 | mutex_unlock(&client_mutex); | |
4128 | ||
4129 | dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); | |
4130 | kfree(cmpnt->name); | |
4131 | } | |
4132 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
4133 | ||
12a48a8c | 4134 | /** |
71a45cda LPC |
4135 | * snd_soc_add_platform - Add a platform to the ASoC core |
4136 | * @dev: The parent device for the platform | |
4137 | * @platform: The platform to add | |
4138 | * @platform_driver: The driver for the platform | |
12a48a8c | 4139 | */ |
71a45cda | 4140 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4141 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4142 | { |
f0fba2ad LG |
4143 | /* create platform component name */ |
4144 | platform->name = fmt_single_name(dev, &platform->id); | |
b5c745fb | 4145 | if (platform->name == NULL) |
f0fba2ad | 4146 | return -ENOMEM; |
12a48a8c | 4147 | |
f0fba2ad LG |
4148 | platform->dev = dev; |
4149 | platform->driver = platform_drv; | |
b7950641 LG |
4150 | platform->dapm.dev = dev; |
4151 | platform->dapm.platform = platform; | |
64a648c2 | 4152 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 4153 | mutex_init(&platform->mutex); |
12a48a8c MB |
4154 | |
4155 | mutex_lock(&client_mutex); | |
4156 | list_add(&platform->list, &platform_list); | |
4157 | mutex_unlock(&client_mutex); | |
4158 | ||
f110bfc7 | 4159 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
4160 | |
4161 | return 0; | |
4162 | } | |
71a45cda | 4163 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4164 | |
4165 | /** | |
71a45cda | 4166 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4167 | * |
71a45cda | 4168 | * @platform: platform to register |
12a48a8c | 4169 | */ |
71a45cda LPC |
4170 | int snd_soc_register_platform(struct device *dev, |
4171 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4172 | { |
f0fba2ad | 4173 | struct snd_soc_platform *platform; |
71a45cda | 4174 | int ret; |
f0fba2ad | 4175 | |
71a45cda | 4176 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4177 | |
71a45cda LPC |
4178 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4179 | if (platform == NULL) | |
4180 | return -ENOMEM; | |
4181 | ||
4182 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4183 | if (ret) | |
4184 | kfree(platform); | |
4185 | ||
4186 | return ret; | |
4187 | } | |
4188 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4189 | ||
4190 | /** | |
4191 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4192 | * @platform: the platform to remove | |
4193 | */ | |
4194 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4195 | { | |
12a48a8c MB |
4196 | mutex_lock(&client_mutex); |
4197 | list_del(&platform->list); | |
4198 | mutex_unlock(&client_mutex); | |
4199 | ||
71a45cda LPC |
4200 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
4201 | platform->name); | |
f0fba2ad | 4202 | kfree(platform->name); |
71a45cda LPC |
4203 | } |
4204 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4205 | ||
4206 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4207 | { | |
4208 | struct snd_soc_platform *platform; | |
4209 | ||
4210 | list_for_each_entry(platform, &platform_list, list) { | |
4211 | if (dev == platform->dev) | |
4212 | return platform; | |
4213 | } | |
4214 | ||
4215 | return NULL; | |
4216 | } | |
4217 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4218 | ||
4219 | /** | |
4220 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4221 | * | |
4222 | * @platform: platform to unregister | |
4223 | */ | |
4224 | void snd_soc_unregister_platform(struct device *dev) | |
4225 | { | |
4226 | struct snd_soc_platform *platform; | |
4227 | ||
4228 | platform = snd_soc_lookup_platform(dev); | |
4229 | if (!platform) | |
4230 | return; | |
4231 | ||
4232 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4233 | kfree(platform); |
12a48a8c MB |
4234 | } |
4235 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4236 | ||
151ab22c MB |
4237 | static u64 codec_format_map[] = { |
4238 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4239 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4240 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4241 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4242 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4243 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4244 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4245 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4246 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4247 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4248 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4249 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4250 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4251 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4252 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4253 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4254 | }; | |
4255 | ||
4256 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4257 | * the endianness of the data but we're using the CPU format | |
4258 | * definitions which do need to include endianness so we ensure that | |
4259 | * codec DAIs always have both big and little endian variants set. | |
4260 | */ | |
4261 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4262 | { | |
4263 | int i; | |
4264 | ||
4265 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4266 | if (stream->formats & codec_format_map[i]) | |
4267 | stream->formats |= codec_format_map[i]; | |
4268 | } | |
4269 | ||
0d0cf00a MB |
4270 | /** |
4271 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4272 | * | |
ac11a2b3 | 4273 | * @codec: codec to register |
0d0cf00a | 4274 | */ |
f0fba2ad | 4275 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4276 | const struct snd_soc_codec_driver *codec_drv, |
4277 | struct snd_soc_dai_driver *dai_drv, | |
4278 | int num_dai) | |
0d0cf00a | 4279 | { |
f0fba2ad LG |
4280 | struct snd_soc_codec *codec; |
4281 | int ret, i; | |
151ab22c | 4282 | |
f0fba2ad LG |
4283 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4284 | ||
4285 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4286 | if (codec == NULL) | |
4287 | return -ENOMEM; | |
0d0cf00a | 4288 | |
f0fba2ad LG |
4289 | /* create CODEC component name */ |
4290 | codec->name = fmt_single_name(dev, &codec->id); | |
4291 | if (codec->name == NULL) { | |
f790b94d KM |
4292 | ret = -ENOMEM; |
4293 | goto fail_codec; | |
f0fba2ad LG |
4294 | } |
4295 | ||
c3acec26 MB |
4296 | codec->write = codec_drv->write; |
4297 | codec->read = codec_drv->read; | |
1500b7b5 DP |
4298 | codec->volatile_register = codec_drv->volatile_register; |
4299 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 4300 | codec->writable_register = codec_drv->writable_register; |
3d59400f | 4301 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4302 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4303 | codec->dapm.dev = dev; | |
4304 | codec->dapm.codec = codec; | |
474b62d6 | 4305 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4306 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4307 | codec->dev = dev; |
4308 | codec->driver = codec_drv; | |
4309 | codec->num_dai = num_dai; | |
4310 | mutex_init(&codec->mutex); | |
ce6120cc | 4311 | |
f0fba2ad LG |
4312 | for (i = 0; i < num_dai; i++) { |
4313 | fixup_codec_formats(&dai_drv[i].playback); | |
4314 | fixup_codec_formats(&dai_drv[i].capture); | |
4315 | } | |
4316 | ||
054880fe MB |
4317 | mutex_lock(&client_mutex); |
4318 | list_add(&codec->list, &codec_list); | |
4319 | mutex_unlock(&client_mutex); | |
4320 | ||
d191bd8d KM |
4321 | /* register component */ |
4322 | ret = __snd_soc_register_component(dev, &codec->component, | |
4323 | &codec_drv->component_driver, | |
6cc240f3 | 4324 | codec, dai_drv, num_dai, false); |
5acd7dfb | 4325 | if (ret < 0) { |
d191bd8d | 4326 | dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret); |
5acd7dfb | 4327 | goto fail_codec_name; |
26b01ccd | 4328 | } |
f0fba2ad | 4329 | |
f110bfc7 | 4330 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4331 | return 0; |
f0fba2ad | 4332 | |
f790b94d | 4333 | fail_codec_name: |
e1328a83 KM |
4334 | mutex_lock(&client_mutex); |
4335 | list_del(&codec->list); | |
4336 | mutex_unlock(&client_mutex); | |
4337 | ||
f0fba2ad | 4338 | kfree(codec->name); |
f790b94d | 4339 | fail_codec: |
f0fba2ad LG |
4340 | kfree(codec); |
4341 | return ret; | |
0d0cf00a MB |
4342 | } |
4343 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4344 | ||
4345 | /** | |
4346 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4347 | * | |
ac11a2b3 | 4348 | * @codec: codec to unregister |
0d0cf00a | 4349 | */ |
f0fba2ad | 4350 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4351 | { |
f0fba2ad | 4352 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4353 | |
4354 | list_for_each_entry(codec, &codec_list, list) { | |
4355 | if (dev == codec->dev) | |
4356 | goto found; | |
4357 | } | |
4358 | return; | |
4359 | ||
4360 | found: | |
d191bd8d | 4361 | snd_soc_unregister_component(dev); |
f0fba2ad | 4362 | |
0d0cf00a MB |
4363 | mutex_lock(&client_mutex); |
4364 | list_del(&codec->list); | |
4365 | mutex_unlock(&client_mutex); | |
4366 | ||
f110bfc7 | 4367 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4368 | |
7a30a3db | 4369 | snd_soc_cache_exit(codec); |
1aafcd4d | 4370 | kfree(codec->name); |
f0fba2ad | 4371 | kfree(codec); |
0d0cf00a MB |
4372 | } |
4373 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4374 | ||
bec4fa05 SW |
4375 | /* Retrieve a card's name from device tree */ |
4376 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4377 | const char *propname) | |
4378 | { | |
4379 | struct device_node *np = card->dev->of_node; | |
4380 | int ret; | |
4381 | ||
4382 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4383 | /* | |
4384 | * EINVAL means the property does not exist. This is fine providing | |
4385 | * card->name was previously set, which is checked later in | |
4386 | * snd_soc_register_card. | |
4387 | */ | |
4388 | if (ret < 0 && ret != -EINVAL) { | |
4389 | dev_err(card->dev, | |
f110bfc7 | 4390 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4391 | propname, ret); |
4392 | return ret; | |
4393 | } | |
4394 | ||
4395 | return 0; | |
4396 | } | |
4397 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4398 | ||
9a6d4860 XL |
4399 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4400 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4401 | SND_SOC_DAPM_LINE("Line", NULL), | |
4402 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4403 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4404 | }; | |
4405 | ||
4406 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4407 | const char *propname) | |
4408 | { | |
4409 | struct device_node *np = card->dev->of_node; | |
4410 | struct snd_soc_dapm_widget *widgets; | |
4411 | const char *template, *wname; | |
4412 | int i, j, num_widgets, ret; | |
4413 | ||
4414 | num_widgets = of_property_count_strings(np, propname); | |
4415 | if (num_widgets < 0) { | |
4416 | dev_err(card->dev, | |
4417 | "ASoC: Property '%s' does not exist\n", propname); | |
4418 | return -EINVAL; | |
4419 | } | |
4420 | if (num_widgets & 1) { | |
4421 | dev_err(card->dev, | |
4422 | "ASoC: Property '%s' length is not even\n", propname); | |
4423 | return -EINVAL; | |
4424 | } | |
4425 | ||
4426 | num_widgets /= 2; | |
4427 | if (!num_widgets) { | |
4428 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4429 | propname); | |
4430 | return -EINVAL; | |
4431 | } | |
4432 | ||
4433 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4434 | GFP_KERNEL); | |
4435 | if (!widgets) { | |
4436 | dev_err(card->dev, | |
4437 | "ASoC: Could not allocate memory for widgets\n"); | |
4438 | return -ENOMEM; | |
4439 | } | |
4440 | ||
4441 | for (i = 0; i < num_widgets; i++) { | |
4442 | ret = of_property_read_string_index(np, propname, | |
4443 | 2 * i, &template); | |
4444 | if (ret) { | |
4445 | dev_err(card->dev, | |
4446 | "ASoC: Property '%s' index %d read error:%d\n", | |
4447 | propname, 2 * i, ret); | |
4448 | return -EINVAL; | |
4449 | } | |
4450 | ||
4451 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4452 | if (!strncmp(template, simple_widgets[j].name, | |
4453 | strlen(simple_widgets[j].name))) { | |
4454 | widgets[i] = simple_widgets[j]; | |
4455 | break; | |
4456 | } | |
4457 | } | |
4458 | ||
4459 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4460 | dev_err(card->dev, | |
4461 | "ASoC: DAPM widget '%s' is not supported\n", | |
4462 | template); | |
4463 | return -EINVAL; | |
4464 | } | |
4465 | ||
4466 | ret = of_property_read_string_index(np, propname, | |
4467 | (2 * i) + 1, | |
4468 | &wname); | |
4469 | if (ret) { | |
4470 | dev_err(card->dev, | |
4471 | "ASoC: Property '%s' index %d read error:%d\n", | |
4472 | propname, (2 * i) + 1, ret); | |
4473 | return -EINVAL; | |
4474 | } | |
4475 | ||
4476 | widgets[i].name = wname; | |
4477 | } | |
4478 | ||
4479 | card->dapm_widgets = widgets; | |
4480 | card->num_dapm_widgets = num_widgets; | |
4481 | ||
4482 | return 0; | |
4483 | } | |
4484 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4485 | ||
89c67857 XL |
4486 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4487 | unsigned int *slots, | |
4488 | unsigned int *slot_width) | |
4489 | { | |
4490 | u32 val; | |
4491 | int ret; | |
4492 | ||
4493 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4494 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4495 | if (ret) | |
4496 | return ret; | |
4497 | ||
4498 | if (slots) | |
4499 | *slots = val; | |
4500 | } | |
4501 | ||
4502 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4503 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4504 | if (ret) | |
4505 | return ret; | |
4506 | ||
4507 | if (slot_width) | |
4508 | *slot_width = val; | |
4509 | } | |
4510 | ||
4511 | return 0; | |
4512 | } | |
4513 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4514 | ||
a4a54dd5 SW |
4515 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4516 | const char *propname) | |
4517 | { | |
4518 | struct device_node *np = card->dev->of_node; | |
4519 | int num_routes; | |
4520 | struct snd_soc_dapm_route *routes; | |
4521 | int i, ret; | |
4522 | ||
4523 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4524 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4525 | dev_err(card->dev, |
4526 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4527 | propname); | |
a4a54dd5 SW |
4528 | return -EINVAL; |
4529 | } | |
4530 | num_routes /= 2; | |
4531 | if (!num_routes) { | |
f110bfc7 | 4532 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4533 | propname); |
4534 | return -EINVAL; | |
4535 | } | |
4536 | ||
4537 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4538 | GFP_KERNEL); | |
4539 | if (!routes) { | |
4540 | dev_err(card->dev, | |
f110bfc7 | 4541 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4542 | return -EINVAL; |
4543 | } | |
4544 | ||
4545 | for (i = 0; i < num_routes; i++) { | |
4546 | ret = of_property_read_string_index(np, propname, | |
4547 | 2 * i, &routes[i].sink); | |
4548 | if (ret) { | |
c871bd0b MB |
4549 | dev_err(card->dev, |
4550 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4551 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4552 | return -EINVAL; |
4553 | } | |
4554 | ret = of_property_read_string_index(np, propname, | |
4555 | (2 * i) + 1, &routes[i].source); | |
4556 | if (ret) { | |
4557 | dev_err(card->dev, | |
c871bd0b MB |
4558 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4559 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4560 | return -EINVAL; |
4561 | } | |
4562 | } | |
4563 | ||
4564 | card->num_dapm_routes = num_routes; | |
4565 | card->dapm_routes = routes; | |
4566 | ||
4567 | return 0; | |
4568 | } | |
4569 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4570 | ||
a7930ed4 KM |
4571 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
4572 | const char *prefix) | |
4573 | { | |
4574 | int ret, i; | |
4575 | char prop[128]; | |
4576 | unsigned int format = 0; | |
4577 | int bit, frame; | |
4578 | const char *str; | |
4579 | struct { | |
4580 | char *name; | |
4581 | unsigned int val; | |
4582 | } of_fmt_table[] = { | |
4583 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4584 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4585 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4586 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4587 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4588 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4589 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4590 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4591 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4592 | }; |
4593 | ||
4594 | if (!prefix) | |
4595 | prefix = ""; | |
4596 | ||
4597 | /* | |
4598 | * check "[prefix]format = xxx" | |
4599 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4600 | */ | |
4601 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4602 | ret = of_property_read_string(np, prop, &str); | |
4603 | if (ret == 0) { | |
4604 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4605 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4606 | format |= of_fmt_table[i].val; | |
4607 | break; | |
4608 | } | |
4609 | } | |
4610 | } | |
4611 | ||
4612 | /* | |
8c2d6a9f | 4613 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4614 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4615 | */ | |
8c2d6a9f KM |
4616 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4617 | if (of_get_property(np, prop, NULL)) | |
4618 | format |= SND_SOC_DAIFMT_CONT; | |
4619 | else | |
4620 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4621 | |
4622 | /* | |
4623 | * check "[prefix]bitclock-inversion" | |
4624 | * check "[prefix]frame-inversion" | |
4625 | * SND_SOC_DAIFMT_INV_MASK area | |
4626 | */ | |
4627 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4628 | bit = !!of_get_property(np, prop, NULL); | |
4629 | ||
4630 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4631 | frame = !!of_get_property(np, prop, NULL); | |
4632 | ||
4633 | switch ((bit << 4) + frame) { | |
4634 | case 0x11: | |
4635 | format |= SND_SOC_DAIFMT_IB_IF; | |
4636 | break; | |
4637 | case 0x10: | |
4638 | format |= SND_SOC_DAIFMT_IB_NF; | |
4639 | break; | |
4640 | case 0x01: | |
4641 | format |= SND_SOC_DAIFMT_NB_IF; | |
4642 | break; | |
4643 | default: | |
4644 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4645 | break; | |
4646 | } | |
4647 | ||
4648 | /* | |
4649 | * check "[prefix]bitclock-master" | |
4650 | * check "[prefix]frame-master" | |
4651 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4652 | */ | |
4653 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4654 | bit = !!of_get_property(np, prop, NULL); | |
4655 | ||
4656 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4657 | frame = !!of_get_property(np, prop, NULL); | |
4658 | ||
4659 | switch ((bit << 4) + frame) { | |
4660 | case 0x11: | |
4661 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4662 | break; | |
4663 | case 0x10: | |
4664 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4665 | break; | |
4666 | case 0x01: | |
4667 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4668 | break; | |
4669 | default: | |
4670 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4671 | break; | |
4672 | } | |
4673 | ||
4674 | return format; | |
4675 | } | |
4676 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4677 | ||
cb470087 KM |
4678 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4679 | const char **dai_name) | |
4680 | { | |
4681 | struct snd_soc_component *pos; | |
4682 | struct of_phandle_args args; | |
4683 | int ret; | |
4684 | ||
4685 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4686 | "#sound-dai-cells", 0, &args); | |
4687 | if (ret) | |
4688 | return ret; | |
4689 | ||
4690 | ret = -EPROBE_DEFER; | |
4691 | ||
4692 | mutex_lock(&client_mutex); | |
4693 | list_for_each_entry(pos, &component_list, list) { | |
4694 | if (pos->dev->of_node != args.np) | |
4695 | continue; | |
4696 | ||
6833c452 KM |
4697 | if (pos->driver->of_xlate_dai_name) { |
4698 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4699 | } else { | |
4700 | int id = -1; | |
4701 | ||
4702 | switch (args.args_count) { | |
4703 | case 0: | |
4704 | id = 0; /* same as dai_drv[0] */ | |
4705 | break; | |
4706 | case 1: | |
4707 | id = args.args[0]; | |
4708 | break; | |
4709 | default: | |
4710 | /* not supported */ | |
4711 | break; | |
4712 | } | |
4713 | ||
4714 | if (id < 0 || id >= pos->num_dai) { | |
4715 | ret = -EINVAL; | |
e41975ed | 4716 | break; |
6833c452 | 4717 | } |
e41975ed XL |
4718 | |
4719 | ret = 0; | |
4720 | ||
4721 | *dai_name = pos->dai_drv[id].name; | |
4722 | if (!*dai_name) | |
4723 | *dai_name = pos->name; | |
cb470087 KM |
4724 | } |
4725 | ||
cb470087 KM |
4726 | break; |
4727 | } | |
4728 | mutex_unlock(&client_mutex); | |
4729 | ||
4730 | of_node_put(args.np); | |
4731 | ||
4732 | return ret; | |
4733 | } | |
4734 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4735 | ||
c9b3a40f | 4736 | static int __init snd_soc_init(void) |
db2a4165 | 4737 | { |
384c89e2 | 4738 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4739 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4740 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4741 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4742 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4743 | } |
c3c5a19a | 4744 | |
8a9dab1a | 4745 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4746 | &codec_list_fops)) |
4747 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4748 | ||
8a9dab1a | 4749 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4750 | &dai_list_fops)) |
4751 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4752 | |
8a9dab1a | 4753 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4754 | &platform_list_fops)) |
4755 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4756 | #endif |
4757 | ||
fb257897 MB |
4758 | snd_soc_util_init(); |
4759 | ||
db2a4165 FM |
4760 | return platform_driver_register(&soc_driver); |
4761 | } | |
4abe8e16 | 4762 | module_init(snd_soc_init); |
db2a4165 | 4763 | |
7d8c16a6 | 4764 | static void __exit snd_soc_exit(void) |
db2a4165 | 4765 | { |
fb257897 MB |
4766 | snd_soc_util_exit(); |
4767 | ||
384c89e2 | 4768 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4769 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4770 | #endif |
3ff3f64b | 4771 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4772 | } |
db2a4165 FM |
4773 | module_exit(snd_soc_exit); |
4774 | ||
4775 | /* Module information */ | |
d331124d | 4776 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4777 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4778 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4779 | MODULE_ALIAS("platform:soc-audio"); |