Commit | Line | Data |
---|---|---|
db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
741a509f MP |
37 | #include <linux/gpio.h> |
38 | #include <linux/of_gpio.h> | |
474828a4 | 39 | #include <sound/ac97_codec.h> |
db2a4165 | 40 | #include <sound/core.h> |
3028eb8c | 41 | #include <sound/jack.h> |
db2a4165 FM |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
01d7584c | 45 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
46 | #include <sound/initval.h> |
47 | ||
a8b1d34f MB |
48 | #define CREATE_TRACE_POINTS |
49 | #include <trace/events/asoc.h> | |
50 | ||
f0fba2ad LG |
51 | #define NAME_SIZE 32 |
52 | ||
384c89e2 | 53 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
54 | struct dentry *snd_soc_debugfs_root; |
55 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
56 | #endif |
57 | ||
c5af3a2e | 58 | static DEFINE_MUTEX(client_mutex); |
12a48a8c | 59 | static LIST_HEAD(platform_list); |
0d0cf00a | 60 | static LIST_HEAD(codec_list); |
030e79f6 | 61 | static LIST_HEAD(component_list); |
c5af3a2e | 62 | |
db2a4165 FM |
63 | /* |
64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
65 | * It can be used to eliminate pops between different playback streams, e.g. | |
66 | * between two audio tracks. | |
67 | */ | |
68 | static int pmdown_time = 5000; | |
69 | module_param(pmdown_time, int, 0); | |
70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
71 | ||
741a509f MP |
72 | struct snd_ac97_reset_cfg { |
73 | struct pinctrl *pctl; | |
74 | struct pinctrl_state *pstate_reset; | |
75 | struct pinctrl_state *pstate_warm_reset; | |
76 | struct pinctrl_state *pstate_run; | |
77 | int gpio_sdata; | |
78 | int gpio_sync; | |
79 | int gpio_reset; | |
80 | }; | |
81 | ||
2bc9a81e DP |
82 | /* returns the minimum number of bytes needed to represent |
83 | * a particular given value */ | |
84 | static int min_bytes_needed(unsigned long val) | |
85 | { | |
86 | int c = 0; | |
87 | int i; | |
88 | ||
89 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
90 | if (val & (1UL << i)) | |
91 | break; | |
92 | c = (sizeof val * 8) - c; | |
93 | if (!c || (c % 8)) | |
94 | c = (c + 8) / 8; | |
95 | else | |
96 | c /= 8; | |
97 | return c; | |
98 | } | |
99 | ||
13fd179f DP |
100 | /* fill buf which is 'len' bytes with a formatted |
101 | * string of the form 'reg: value\n' */ | |
102 | static int format_register_str(struct snd_soc_codec *codec, | |
103 | unsigned int reg, char *buf, size_t len) | |
104 | { | |
00b317a4 SW |
105 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
106 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
107 | int ret; |
108 | char tmpbuf[len + 1]; | |
109 | char regbuf[regsize + 1]; | |
110 | ||
111 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
112 | * try to abuse this function */ | |
113 | WARN_ON(len > 63); | |
114 | ||
115 | /* +2 for ': ' and + 1 for '\n' */ | |
116 | if (wordsize + regsize + 2 + 1 != len) | |
117 | return -EINVAL; | |
118 | ||
25032c11 | 119 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
120 | if (ret < 0) { |
121 | memset(regbuf, 'X', regsize); | |
122 | regbuf[regsize] = '\0'; | |
123 | } else { | |
124 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
125 | } | |
126 | ||
127 | /* prepare the buffer */ | |
128 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
129 | /* copy it back to the caller without the '\0' */ | |
130 | memcpy(buf, tmpbuf, len); | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
2624d5fa | 135 | /* codec register dump */ |
13fd179f DP |
136 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
137 | size_t count, loff_t pos) | |
2624d5fa | 138 | { |
13fd179f | 139 | int i, step = 1; |
2bc9a81e | 140 | int wordsize, regsize; |
13fd179f DP |
141 | int len; |
142 | size_t total = 0; | |
143 | loff_t p = 0; | |
2bc9a81e | 144 | |
00b317a4 SW |
145 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
146 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 147 | |
13fd179f DP |
148 | len = wordsize + regsize + 2 + 1; |
149 | ||
f0fba2ad | 150 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
151 | return 0; |
152 | ||
f0fba2ad LG |
153 | if (codec->driver->reg_cache_step) |
154 | step = codec->driver->reg_cache_step; | |
2624d5fa | 155 | |
f0fba2ad | 156 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
20a0ec27 LPC |
157 | /* only support larger than PAGE_SIZE bytes debugfs |
158 | * entries for the default case */ | |
159 | if (p >= pos) { | |
160 | if (total + len >= count - 1) | |
161 | break; | |
162 | format_register_str(codec, i, buf + total, len); | |
163 | total += len; | |
5164d74d | 164 | } |
20a0ec27 | 165 | p += len; |
2624d5fa MB |
166 | } |
167 | ||
13fd179f | 168 | total = min(total, count - 1); |
2624d5fa | 169 | |
13fd179f | 170 | return total; |
2624d5fa | 171 | } |
13fd179f | 172 | |
2624d5fa MB |
173 | static ssize_t codec_reg_show(struct device *dev, |
174 | struct device_attribute *attr, char *buf) | |
175 | { | |
36ae1a96 | 176 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 177 | |
13fd179f | 178 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
179 | } |
180 | ||
181 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
182 | ||
dbe21408 MB |
183 | static ssize_t pmdown_time_show(struct device *dev, |
184 | struct device_attribute *attr, char *buf) | |
185 | { | |
36ae1a96 | 186 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 187 | |
f0fba2ad | 188 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
189 | } |
190 | ||
191 | static ssize_t pmdown_time_set(struct device *dev, | |
192 | struct device_attribute *attr, | |
193 | const char *buf, size_t count) | |
194 | { | |
36ae1a96 | 195 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 196 | int ret; |
dbe21408 | 197 | |
b785a492 | 198 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
199 | if (ret) |
200 | return ret; | |
dbe21408 MB |
201 | |
202 | return count; | |
203 | } | |
204 | ||
205 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
206 | ||
2624d5fa | 207 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 208 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 209 | size_t count, loff_t *ppos) |
2624d5fa MB |
210 | { |
211 | ssize_t ret; | |
212 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
213 | char *buf; |
214 | ||
215 | if (*ppos < 0 || !count) | |
216 | return -EINVAL; | |
217 | ||
218 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
219 | if (!buf) |
220 | return -ENOMEM; | |
13fd179f DP |
221 | |
222 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
223 | if (ret >= 0) { | |
224 | if (copy_to_user(user_buf, buf, ret)) { | |
225 | kfree(buf); | |
226 | return -EFAULT; | |
227 | } | |
228 | *ppos += ret; | |
229 | } | |
230 | ||
2624d5fa MB |
231 | kfree(buf); |
232 | return ret; | |
233 | } | |
234 | ||
235 | static ssize_t codec_reg_write_file(struct file *file, | |
236 | const char __user *user_buf, size_t count, loff_t *ppos) | |
237 | { | |
238 | char buf[32]; | |
34e268d8 | 239 | size_t buf_size; |
2624d5fa MB |
240 | char *start = buf; |
241 | unsigned long reg, value; | |
2624d5fa | 242 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 243 | int ret; |
2624d5fa MB |
244 | |
245 | buf_size = min(count, (sizeof(buf)-1)); | |
246 | if (copy_from_user(buf, user_buf, buf_size)) | |
247 | return -EFAULT; | |
248 | buf[buf_size] = 0; | |
2624d5fa MB |
249 | |
250 | while (*start == ' ') | |
251 | start++; | |
252 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
253 | while (*start == ' ') |
254 | start++; | |
b785a492 JH |
255 | ret = kstrtoul(start, 16, &value); |
256 | if (ret) | |
257 | return ret; | |
0d51a9cb MB |
258 | |
259 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 260 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 261 | |
e4f078d8 | 262 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
263 | return buf_size; |
264 | } | |
265 | ||
266 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 267 | .open = simple_open, |
2624d5fa MB |
268 | .read = codec_reg_read_file, |
269 | .write = codec_reg_write_file, | |
6038f373 | 270 | .llseek = default_llseek, |
2624d5fa MB |
271 | }; |
272 | ||
81c7cfd1 | 273 | static void soc_init_component_debugfs(struct snd_soc_component *component) |
e73f3de5 | 274 | { |
81c7cfd1 LPC |
275 | if (component->debugfs_prefix) { |
276 | char *name; | |
e73f3de5 | 277 | |
81c7cfd1 LPC |
278 | name = kasprintf(GFP_KERNEL, "%s:%s", |
279 | component->debugfs_prefix, component->name); | |
280 | if (name) { | |
281 | component->debugfs_root = debugfs_create_dir(name, | |
282 | component->card->debugfs_card_root); | |
283 | kfree(name); | |
284 | } | |
285 | } else { | |
286 | component->debugfs_root = debugfs_create_dir(component->name, | |
287 | component->card->debugfs_card_root); | |
288 | } | |
e73f3de5 | 289 | |
81c7cfd1 LPC |
290 | if (!component->debugfs_root) { |
291 | dev_warn(component->dev, | |
292 | "ASoC: Failed to create component debugfs directory\n"); | |
293 | return; | |
294 | } | |
e73f3de5 | 295 | |
81c7cfd1 LPC |
296 | snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component), |
297 | component->debugfs_root); | |
e73f3de5 | 298 | |
81c7cfd1 LPC |
299 | if (component->init_debugfs) |
300 | component->init_debugfs(component); | |
e73f3de5 RK |
301 | } |
302 | ||
81c7cfd1 | 303 | static void soc_cleanup_component_debugfs(struct snd_soc_component *component) |
2624d5fa | 304 | { |
81c7cfd1 LPC |
305 | debugfs_remove_recursive(component->debugfs_root); |
306 | } | |
d6ce4cf3 | 307 | |
81c7cfd1 LPC |
308 | static void soc_init_codec_debugfs(struct snd_soc_component *component) |
309 | { | |
310 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
2624d5fa | 311 | |
81c7cfd1 | 312 | debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root, |
aaee8ef1 | 313 | &codec->cache_sync); |
81c7cfd1 | 314 | debugfs_create_bool("cache_only", 0444, codec->component.debugfs_root, |
aaee8ef1 MB |
315 | &codec->cache_only); |
316 | ||
2624d5fa | 317 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
81c7cfd1 | 318 | codec->component.debugfs_root, |
2624d5fa MB |
319 | codec, &codec_reg_fops); |
320 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
321 | dev_warn(codec->dev, |
322 | "ASoC: Failed to create codec register debugfs file\n"); | |
731f1ab2 SG |
323 | } |
324 | ||
c3c5a19a MB |
325 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
326 | size_t count, loff_t *ppos) | |
327 | { | |
328 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 329 | ssize_t len, ret = 0; |
c3c5a19a MB |
330 | struct snd_soc_codec *codec; |
331 | ||
332 | if (!buf) | |
333 | return -ENOMEM; | |
334 | ||
2b194f9d MB |
335 | list_for_each_entry(codec, &codec_list, list) { |
336 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 337 | codec->component.name); |
2b194f9d MB |
338 | if (len >= 0) |
339 | ret += len; | |
340 | if (ret > PAGE_SIZE) { | |
341 | ret = PAGE_SIZE; | |
342 | break; | |
343 | } | |
344 | } | |
c3c5a19a MB |
345 | |
346 | if (ret >= 0) | |
347 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
348 | ||
349 | kfree(buf); | |
350 | ||
351 | return ret; | |
352 | } | |
353 | ||
354 | static const struct file_operations codec_list_fops = { | |
355 | .read = codec_list_read_file, | |
356 | .llseek = default_llseek,/* read accesses f_pos */ | |
357 | }; | |
358 | ||
f3208780 MB |
359 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
360 | size_t count, loff_t *ppos) | |
361 | { | |
362 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 363 | ssize_t len, ret = 0; |
1438c2f6 | 364 | struct snd_soc_component *component; |
f3208780 MB |
365 | struct snd_soc_dai *dai; |
366 | ||
367 | if (!buf) | |
368 | return -ENOMEM; | |
369 | ||
1438c2f6 LPC |
370 | list_for_each_entry(component, &component_list, list) { |
371 | list_for_each_entry(dai, &component->dai_list, list) { | |
372 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
373 | dai->name); | |
374 | if (len >= 0) | |
375 | ret += len; | |
376 | if (ret > PAGE_SIZE) { | |
377 | ret = PAGE_SIZE; | |
378 | break; | |
379 | } | |
2b194f9d MB |
380 | } |
381 | } | |
f3208780 | 382 | |
2b194f9d | 383 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
384 | |
385 | kfree(buf); | |
386 | ||
387 | return ret; | |
388 | } | |
389 | ||
390 | static const struct file_operations dai_list_fops = { | |
391 | .read = dai_list_read_file, | |
392 | .llseek = default_llseek,/* read accesses f_pos */ | |
393 | }; | |
394 | ||
19c7ac27 MB |
395 | static ssize_t platform_list_read_file(struct file *file, |
396 | char __user *user_buf, | |
397 | size_t count, loff_t *ppos) | |
398 | { | |
399 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 400 | ssize_t len, ret = 0; |
19c7ac27 MB |
401 | struct snd_soc_platform *platform; |
402 | ||
403 | if (!buf) | |
404 | return -ENOMEM; | |
405 | ||
2b194f9d MB |
406 | list_for_each_entry(platform, &platform_list, list) { |
407 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 408 | platform->component.name); |
2b194f9d MB |
409 | if (len >= 0) |
410 | ret += len; | |
411 | if (ret > PAGE_SIZE) { | |
412 | ret = PAGE_SIZE; | |
413 | break; | |
414 | } | |
415 | } | |
19c7ac27 | 416 | |
2b194f9d | 417 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
418 | |
419 | kfree(buf); | |
420 | ||
421 | return ret; | |
422 | } | |
423 | ||
424 | static const struct file_operations platform_list_fops = { | |
425 | .read = platform_list_read_file, | |
426 | .llseek = default_llseek,/* read accesses f_pos */ | |
427 | }; | |
428 | ||
a6052154 JN |
429 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
430 | { | |
431 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 432 | snd_soc_debugfs_root); |
3a45b867 | 433 | if (!card->debugfs_card_root) { |
a6052154 | 434 | dev_warn(card->dev, |
7c08be84 | 435 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
436 | return; |
437 | } | |
438 | ||
439 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
440 | card->debugfs_card_root, | |
441 | &card->pop_time); | |
442 | if (!card->debugfs_pop_time) | |
443 | dev_warn(card->dev, | |
f110bfc7 | 444 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
445 | } |
446 | ||
447 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
448 | { | |
449 | debugfs_remove_recursive(card->debugfs_card_root); | |
450 | } | |
451 | ||
2624d5fa MB |
452 | #else |
453 | ||
81c7cfd1 | 454 | #define soc_init_codec_debugfs NULL |
b95fccbc | 455 | |
81c7cfd1 LPC |
456 | static inline void soc_init_component_debugfs( |
457 | struct snd_soc_component *component) | |
731f1ab2 SG |
458 | { |
459 | } | |
460 | ||
81c7cfd1 LPC |
461 | static inline void soc_cleanup_component_debugfs( |
462 | struct snd_soc_component *component) | |
731f1ab2 SG |
463 | { |
464 | } | |
465 | ||
b95fccbc AL |
466 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
467 | { | |
468 | } | |
469 | ||
470 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
471 | { | |
472 | } | |
2624d5fa MB |
473 | #endif |
474 | ||
47c88fff LG |
475 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
476 | const char *dai_link, int stream) | |
477 | { | |
478 | int i; | |
479 | ||
480 | for (i = 0; i < card->num_links; i++) { | |
481 | if (card->rtd[i].dai_link->no_pcm && | |
482 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
483 | return card->rtd[i].pcm->streams[stream].substream; | |
484 | } | |
f110bfc7 | 485 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
486 | return NULL; |
487 | } | |
488 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
489 | ||
490 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
491 | const char *dai_link) | |
492 | { | |
493 | int i; | |
494 | ||
495 | for (i = 0; i < card->num_links; i++) { | |
496 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
497 | return &card->rtd[i]; | |
498 | } | |
f110bfc7 | 499 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
500 | return NULL; |
501 | } | |
502 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
503 | ||
db2a4165 FM |
504 | #ifdef CONFIG_SND_SOC_AC97_BUS |
505 | /* unregister ac97 codec */ | |
506 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
507 | { | |
508 | if (codec->ac97->dev.bus) | |
509 | device_unregister(&codec->ac97->dev); | |
510 | return 0; | |
511 | } | |
512 | ||
513 | /* stop no dev release warning */ | |
514 | static void soc_ac97_device_release(struct device *dev){} | |
515 | ||
516 | /* register ac97 codec to bus */ | |
517 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
518 | { | |
519 | int err; | |
520 | ||
521 | codec->ac97->dev.bus = &ac97_bus_type; | |
00200107 | 522 | codec->ac97->dev.parent = codec->component.card->dev; |
db2a4165 FM |
523 | codec->ac97->dev.release = soc_ac97_device_release; |
524 | ||
bb072bf0 | 525 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
00200107 LPC |
526 | codec->component.card->snd_card->number, 0, |
527 | codec->component.name); | |
db2a4165 FM |
528 | err = device_register(&codec->ac97->dev); |
529 | if (err < 0) { | |
f110bfc7 | 530 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
531 | codec->ac97->dev.bus = NULL; |
532 | return err; | |
533 | } | |
534 | return 0; | |
535 | } | |
536 | #endif | |
537 | ||
9d58a077 RF |
538 | static void codec2codec_close_delayed_work(struct work_struct *work) |
539 | { | |
540 | /* Currently nothing to do for c2c links | |
541 | * Since c2c links are internal nodes in the DAPM graph and | |
542 | * don't interface with the outside world or application layer | |
543 | * we don't have to do any special handling on close. | |
544 | */ | |
545 | } | |
546 | ||
6f8ab4ac | 547 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 548 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 549 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 550 | { |
6f8ab4ac | 551 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 552 | struct snd_soc_codec *codec; |
88bd870f | 553 | int i, j; |
db2a4165 | 554 | |
e3509ff0 DM |
555 | /* If the initialization of this soc device failed, there is no codec |
556 | * associated with it. Just bail out in this case. | |
557 | */ | |
f0fba2ad | 558 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
559 | return 0; |
560 | ||
6ed25978 AG |
561 | /* Due to the resume being scheduled into a workqueue we could |
562 | * suspend before that's finished - wait for it to complete. | |
563 | */ | |
f0fba2ad LG |
564 | snd_power_lock(card->snd_card); |
565 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
566 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
567 | |
568 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 569 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 570 | |
a00f90f9 | 571 | /* mute any active DACs */ |
f0fba2ad | 572 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 573 | |
f0fba2ad | 574 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
575 | continue; |
576 | ||
88bd870f BC |
577 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
578 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
579 | struct snd_soc_dai_driver *drv = dai->driver; | |
580 | ||
581 | if (drv->ops->digital_mute && dai->playback_active) | |
582 | drv->ops->digital_mute(dai, 1); | |
583 | } | |
db2a4165 FM |
584 | } |
585 | ||
4ccab3e7 | 586 | /* suspend all pcms */ |
f0fba2ad LG |
587 | for (i = 0; i < card->num_rtd; i++) { |
588 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
589 | continue; |
590 | ||
f0fba2ad | 591 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 592 | } |
4ccab3e7 | 593 | |
87506549 | 594 | if (card->suspend_pre) |
70b2ac12 | 595 | card->suspend_pre(card); |
db2a4165 | 596 | |
f0fba2ad LG |
597 | for (i = 0; i < card->num_rtd; i++) { |
598 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
599 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 600 | |
f0fba2ad | 601 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
602 | continue; |
603 | ||
f0fba2ad LG |
604 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
605 | cpu_dai->driver->suspend(cpu_dai); | |
606 | if (platform->driver->suspend && !platform->suspended) { | |
607 | platform->driver->suspend(cpu_dai); | |
608 | platform->suspended = 1; | |
609 | } | |
db2a4165 FM |
610 | } |
611 | ||
612 | /* close any waiting streams and save state */ | |
f0fba2ad | 613 | for (i = 0; i < card->num_rtd; i++) { |
88bd870f | 614 | struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais; |
43829731 | 615 | flush_delayed_work(&card->rtd[i].delayed_work); |
88bd870f BC |
616 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
617 | codec_dais[j]->codec->dapm.suspend_bias_level = | |
618 | codec_dais[j]->codec->dapm.bias_level; | |
619 | } | |
f0fba2ad | 620 | } |
db2a4165 | 621 | |
f0fba2ad | 622 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 623 | |
f0fba2ad | 624 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
625 | continue; |
626 | ||
7bd3a6f3 MB |
627 | snd_soc_dapm_stream_event(&card->rtd[i], |
628 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 629 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 630 | |
7bd3a6f3 MB |
631 | snd_soc_dapm_stream_event(&card->rtd[i], |
632 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 633 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
634 | } |
635 | ||
e2d32ff6 MB |
636 | /* Recheck all analogue paths too */ |
637 | dapm_mark_io_dirty(&card->dapm); | |
638 | snd_soc_dapm_sync(&card->dapm); | |
639 | ||
f0fba2ad | 640 | /* suspend all CODECs */ |
2eea392d | 641 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
642 | /* If there are paths active then the CODEC will be held with |
643 | * bias _ON and should not be suspended. */ | |
644 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 645 | switch (codec->dapm.bias_level) { |
f0fba2ad | 646 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
647 | /* |
648 | * If the CODEC is capable of idle | |
649 | * bias off then being in STANDBY | |
650 | * means it's doing something, | |
651 | * otherwise fall through. | |
652 | */ | |
653 | if (codec->dapm.idle_bias_off) { | |
654 | dev_dbg(codec->dev, | |
10e8aa9a | 655 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
656 | break; |
657 | } | |
f0fba2ad | 658 | case SND_SOC_BIAS_OFF: |
84b315ee | 659 | codec->driver->suspend(codec); |
f0fba2ad | 660 | codec->suspended = 1; |
7be4ba24 | 661 | codec->cache_sync = 1; |
e2c330b9 LPC |
662 | if (codec->component.regmap) |
663 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
664 | /* deactivate pins to sleep state */ |
665 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
666 | break; |
667 | default: | |
10e8aa9a MM |
668 | dev_dbg(codec->dev, |
669 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
670 | break; |
671 | } | |
1547aba9 MB |
672 | } |
673 | } | |
db2a4165 | 674 | |
f0fba2ad LG |
675 | for (i = 0; i < card->num_rtd; i++) { |
676 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 677 | |
f0fba2ad | 678 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
679 | continue; |
680 | ||
f0fba2ad LG |
681 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
682 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
683 | |
684 | /* deactivate pins to sleep state */ | |
685 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
686 | } |
687 | ||
87506549 | 688 | if (card->suspend_post) |
70b2ac12 | 689 | card->suspend_post(card); |
db2a4165 FM |
690 | |
691 | return 0; | |
692 | } | |
6f8ab4ac | 693 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 694 | |
6ed25978 AG |
695 | /* deferred resume work, so resume can complete before we finished |
696 | * setting our codec back up, which can be very slow on I2C | |
697 | */ | |
698 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 699 | { |
f0fba2ad LG |
700 | struct snd_soc_card *card = |
701 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 702 | struct snd_soc_codec *codec; |
88bd870f | 703 | int i, j; |
db2a4165 | 704 | |
6ed25978 AG |
705 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
706 | * so userspace apps are blocked from touching us | |
707 | */ | |
708 | ||
f110bfc7 | 709 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 710 | |
9949788b | 711 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 712 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 713 | |
87506549 | 714 | if (card->resume_pre) |
70b2ac12 | 715 | card->resume_pre(card); |
db2a4165 | 716 | |
f0fba2ad LG |
717 | /* resume AC97 DAIs */ |
718 | for (i = 0; i < card->num_rtd; i++) { | |
719 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 720 | |
f0fba2ad | 721 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
722 | continue; |
723 | ||
f0fba2ad LG |
724 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
725 | cpu_dai->driver->resume(cpu_dai); | |
726 | } | |
727 | ||
2eea392d | 728 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
729 | /* If the CODEC was idle over suspend then it will have been |
730 | * left with bias OFF or STANDBY and suspended so we must now | |
731 | * resume. Otherwise the suspend was suppressed. | |
732 | */ | |
733 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 734 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
735 | case SND_SOC_BIAS_STANDBY: |
736 | case SND_SOC_BIAS_OFF: | |
737 | codec->driver->resume(codec); | |
738 | codec->suspended = 0; | |
739 | break; | |
740 | default: | |
10e8aa9a MM |
741 | dev_dbg(codec->dev, |
742 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
743 | break; |
744 | } | |
1547aba9 MB |
745 | } |
746 | } | |
db2a4165 | 747 | |
f0fba2ad | 748 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 749 | |
f0fba2ad | 750 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
751 | continue; |
752 | ||
7bd3a6f3 | 753 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 754 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 755 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 756 | |
7bd3a6f3 | 757 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 758 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 759 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
760 | } |
761 | ||
3ff3f64b | 762 | /* unmute any active DACs */ |
f0fba2ad | 763 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 764 | |
f0fba2ad | 765 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
766 | continue; |
767 | ||
88bd870f BC |
768 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
769 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
770 | struct snd_soc_dai_driver *drv = dai->driver; | |
771 | ||
772 | if (drv->ops->digital_mute && dai->playback_active) | |
773 | drv->ops->digital_mute(dai, 0); | |
774 | } | |
db2a4165 FM |
775 | } |
776 | ||
f0fba2ad LG |
777 | for (i = 0; i < card->num_rtd; i++) { |
778 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
779 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 780 | |
f0fba2ad | 781 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
782 | continue; |
783 | ||
f0fba2ad LG |
784 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
785 | cpu_dai->driver->resume(cpu_dai); | |
786 | if (platform->driver->resume && platform->suspended) { | |
787 | platform->driver->resume(cpu_dai); | |
788 | platform->suspended = 0; | |
789 | } | |
db2a4165 FM |
790 | } |
791 | ||
87506549 | 792 | if (card->resume_post) |
70b2ac12 | 793 | card->resume_post(card); |
db2a4165 | 794 | |
f110bfc7 | 795 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
796 | |
797 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 798 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
799 | |
800 | /* Recheck all analogue paths too */ | |
801 | dapm_mark_io_dirty(&card->dapm); | |
802 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
803 | } |
804 | ||
805 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 806 | int snd_soc_resume(struct device *dev) |
6ed25978 | 807 | { |
6f8ab4ac | 808 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 809 | int i, ac97_control = 0; |
b9dd94a8 | 810 | |
5ff1ddf2 EM |
811 | /* If the initialization of this soc device failed, there is no codec |
812 | * associated with it. Just bail out in this case. | |
813 | */ | |
814 | if (list_empty(&card->codec_dev_list)) | |
815 | return 0; | |
816 | ||
988e8cc4 NC |
817 | /* activate pins from sleep state */ |
818 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
819 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
820 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
821 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
822 | int j; | |
823 | ||
988e8cc4 NC |
824 | if (cpu_dai->active) |
825 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
88bd870f BC |
826 | |
827 | for (j = 0; j < rtd->num_codecs; j++) { | |
828 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
829 | if (codec_dai->active) | |
830 | pinctrl_pm_select_default_state(codec_dai->dev); | |
831 | } | |
988e8cc4 NC |
832 | } |
833 | ||
64ab9baa MB |
834 | /* AC97 devices might have other drivers hanging off them so |
835 | * need to resume immediately. Other drivers don't have that | |
836 | * problem and may take a substantial amount of time to resume | |
837 | * due to I/O costs and anti-pop so handle them out of line. | |
838 | */ | |
f0fba2ad LG |
839 | for (i = 0; i < card->num_rtd; i++) { |
840 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
841 | ac97_control |= cpu_dai->driver->ac97_control; |
842 | } | |
843 | if (ac97_control) { | |
f110bfc7 | 844 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
845 | soc_resume_deferred(&card->deferred_resume_work); |
846 | } else { | |
f110bfc7 | 847 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 848 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 849 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 850 | } |
6ed25978 | 851 | |
db2a4165 FM |
852 | return 0; |
853 | } | |
6f8ab4ac | 854 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 855 | #else |
6f8ab4ac MB |
856 | #define snd_soc_suspend NULL |
857 | #define snd_soc_resume NULL | |
db2a4165 FM |
858 | #endif |
859 | ||
85e7652d | 860 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
861 | }; |
862 | ||
65d9361f LPC |
863 | static struct snd_soc_component *soc_find_component( |
864 | const struct device_node *of_node, const char *name) | |
865 | { | |
866 | struct snd_soc_component *component; | |
867 | ||
868 | list_for_each_entry(component, &component_list, list) { | |
869 | if (of_node) { | |
870 | if (component->dev->of_node == of_node) | |
871 | return component; | |
872 | } else if (strcmp(component->name, name) == 0) { | |
873 | return component; | |
874 | } | |
875 | } | |
876 | ||
877 | return NULL; | |
878 | } | |
879 | ||
14621c7e LPC |
880 | static struct snd_soc_dai *snd_soc_find_dai( |
881 | const struct snd_soc_dai_link_component *dlc) | |
12023a9a | 882 | { |
14621c7e LPC |
883 | struct snd_soc_component *component; |
884 | struct snd_soc_dai *dai; | |
12023a9a | 885 | |
14621c7e LPC |
886 | /* Find CPU DAI from registered DAIs*/ |
887 | list_for_each_entry(component, &component_list, list) { | |
888 | if (dlc->of_node && component->dev->of_node != dlc->of_node) | |
889 | continue; | |
890 | if (dlc->name && strcmp(dev_name(component->dev), dlc->name)) | |
891 | continue; | |
892 | list_for_each_entry(dai, &component->dai_list, list) { | |
893 | if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)) | |
12023a9a | 894 | continue; |
12023a9a | 895 | |
14621c7e | 896 | return dai; |
12023a9a MLC |
897 | } |
898 | } | |
899 | ||
900 | return NULL; | |
901 | } | |
902 | ||
f0fba2ad | 903 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 904 | { |
f0fba2ad LG |
905 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
906 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
88bd870f | 907 | struct snd_soc_dai_link_component *codecs = dai_link->codecs; |
14621c7e | 908 | struct snd_soc_dai_link_component cpu_dai_component; |
88bd870f | 909 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
435c5e25 | 910 | struct snd_soc_platform *platform; |
848dd8be | 911 | const char *platform_name; |
88bd870f | 912 | int i; |
435c5e25 | 913 | |
f110bfc7 | 914 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 915 | |
14621c7e LPC |
916 | cpu_dai_component.name = dai_link->cpu_name; |
917 | cpu_dai_component.of_node = dai_link->cpu_of_node; | |
918 | cpu_dai_component.dai_name = dai_link->cpu_dai_name; | |
919 | rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component); | |
b19e6e7b | 920 | if (!rtd->cpu_dai) { |
f110bfc7 | 921 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
922 | dai_link->cpu_dai_name); |
923 | return -EPROBE_DEFER; | |
f0fba2ad LG |
924 | } |
925 | ||
88bd870f | 926 | rtd->num_codecs = dai_link->num_codecs; |
848dd8be | 927 | |
88bd870f BC |
928 | /* Find CODEC from registered CODECs */ |
929 | for (i = 0; i < rtd->num_codecs; i++) { | |
14621c7e | 930 | codec_dais[i] = snd_soc_find_dai(&codecs[i]); |
88bd870f BC |
931 | if (!codec_dais[i]) { |
932 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
933 | codecs[i].dai_name); | |
934 | return -EPROBE_DEFER; | |
935 | } | |
12023a9a MLC |
936 | } |
937 | ||
88bd870f BC |
938 | /* Single codec links expect codec and codec_dai in runtime data */ |
939 | rtd->codec_dai = codec_dais[0]; | |
940 | rtd->codec = rtd->codec_dai->codec; | |
941 | ||
848dd8be MB |
942 | /* if there's no platform we match on the empty platform */ |
943 | platform_name = dai_link->platform_name; | |
5a504963 | 944 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
945 | platform_name = "snd-soc-dummy"; |
946 | ||
b19e6e7b | 947 | /* find one from the set of registered platforms */ |
f0fba2ad | 948 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
949 | if (dai_link->platform_of_node) { |
950 | if (platform->dev->of_node != | |
951 | dai_link->platform_of_node) | |
952 | continue; | |
953 | } else { | |
f4333203 | 954 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
955 | continue; |
956 | } | |
2610ab77 SW |
957 | |
958 | rtd->platform = platform; | |
02a06d30 | 959 | } |
b19e6e7b | 960 | if (!rtd->platform) { |
f110bfc7 | 961 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 962 | dai_link->platform_name); |
b19e6e7b | 963 | return -EPROBE_DEFER; |
f0fba2ad | 964 | } |
b19e6e7b MB |
965 | |
966 | card->num_rtd++; | |
967 | ||
968 | return 0; | |
f0fba2ad LG |
969 | } |
970 | ||
f1d45cc3 | 971 | static void soc_remove_component(struct snd_soc_component *component) |
d12cd198 | 972 | { |
70090bbb LPC |
973 | if (!component->probed) |
974 | return; | |
975 | ||
f1d45cc3 LPC |
976 | /* This is a HACK and will be removed soon */ |
977 | if (component->codec) | |
978 | list_del(&component->codec->card_list); | |
589c3563 | 979 | |
f1d45cc3 LPC |
980 | if (component->remove) |
981 | component->remove(component); | |
589c3563 | 982 | |
f1d45cc3 | 983 | snd_soc_dapm_free(snd_soc_component_get_dapm(component)); |
589c3563 | 984 | |
f1d45cc3 LPC |
985 | soc_cleanup_component_debugfs(component); |
986 | component->probed = 0; | |
987 | module_put(component->dev->driver->owner); | |
589c3563 JN |
988 | } |
989 | ||
e60cd14f | 990 | static void soc_remove_dai(struct snd_soc_dai *dai, int order) |
f0fba2ad | 991 | { |
f0fba2ad LG |
992 | int err; |
993 | ||
e60cd14f LPC |
994 | if (dai && dai->probed && |
995 | dai->driver->remove_order == order) { | |
996 | if (dai->driver->remove) { | |
997 | err = dai->driver->remove(dai); | |
f0fba2ad | 998 | if (err < 0) |
e60cd14f | 999 | dev_err(dai->dev, |
f110bfc7 | 1000 | "ASoC: failed to remove %s: %d\n", |
e60cd14f | 1001 | dai->name, err); |
6b05eda6 | 1002 | } |
e60cd14f | 1003 | dai->probed = 0; |
f0fba2ad | 1004 | } |
b0aa88af MLC |
1005 | } |
1006 | ||
1007 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
1008 | { | |
1009 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
e60cd14f | 1010 | int i; |
b0aa88af MLC |
1011 | |
1012 | /* unregister the rtd device */ | |
1013 | if (rtd->dev_registered) { | |
1014 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
1015 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1016 | device_unregister(rtd->dev); | |
1017 | rtd->dev_registered = 0; | |
1018 | } | |
1019 | ||
1020 | /* remove the CODEC DAI */ | |
88bd870f | 1021 | for (i = 0; i < rtd->num_codecs; i++) |
e60cd14f | 1022 | soc_remove_dai(rtd->codec_dais[i], order); |
6b05eda6 | 1023 | |
e60cd14f | 1024 | soc_remove_dai(rtd->cpu_dai, order); |
f0fba2ad | 1025 | } |
db2a4165 | 1026 | |
62ae68fa SW |
1027 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1028 | int order) | |
1029 | { | |
1030 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1031 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa | 1032 | struct snd_soc_platform *platform = rtd->platform; |
61aca564 | 1033 | struct snd_soc_component *component; |
88bd870f | 1034 | int i; |
62ae68fa SW |
1035 | |
1036 | /* remove the platform */ | |
70090bbb | 1037 | if (platform && platform->component.driver->remove_order == order) |
f1d45cc3 | 1038 | soc_remove_component(&platform->component); |
62ae68fa SW |
1039 | |
1040 | /* remove the CODEC-side CODEC */ | |
88bd870f | 1041 | for (i = 0; i < rtd->num_codecs; i++) { |
61aca564 | 1042 | component = rtd->codec_dais[i]->component; |
70090bbb | 1043 | if (component->driver->remove_order == order) |
61aca564 | 1044 | soc_remove_component(component); |
62ae68fa SW |
1045 | } |
1046 | ||
1047 | /* remove any CPU-side CODEC */ | |
1048 | if (cpu_dai) { | |
70090bbb | 1049 | if (cpu_dai->component->driver->remove_order == order) |
61aca564 | 1050 | soc_remove_component(cpu_dai->component); |
62ae68fa SW |
1051 | } |
1052 | } | |
1053 | ||
0671fd8e KM |
1054 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1055 | { | |
0168bf0d | 1056 | int dai, order; |
0671fd8e | 1057 | |
0168bf0d LG |
1058 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1059 | order++) { | |
1060 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1061 | soc_remove_link_dais(card, dai, order); |
1062 | } | |
1063 | ||
1064 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1065 | order++) { | |
1066 | for (dai = 0; dai < card->num_rtd; dai++) | |
1067 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1068 | } |
62ae68fa | 1069 | |
0671fd8e KM |
1070 | card->num_rtd = 0; |
1071 | } | |
1072 | ||
ead9b919 | 1073 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1074 | struct snd_soc_component *component) |
ead9b919 JN |
1075 | { |
1076 | int i; | |
1077 | ||
ff819b83 | 1078 | if (card->codec_conf == NULL) |
ead9b919 JN |
1079 | return; |
1080 | ||
ff819b83 DP |
1081 | for (i = 0; i < card->num_configs; i++) { |
1082 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1083 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1084 | continue; |
94f99c87 | 1085 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1086 | continue; |
94f99c87 | 1087 | component->name_prefix = map->name_prefix; |
3ca041ed | 1088 | break; |
ead9b919 JN |
1089 | } |
1090 | } | |
1091 | ||
f1d45cc3 LPC |
1092 | static int soc_probe_component(struct snd_soc_card *card, |
1093 | struct snd_soc_component *component) | |
589c3563 | 1094 | { |
f1d45cc3 LPC |
1095 | struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
1096 | struct snd_soc_component *dai_component, *component2; | |
888df395 | 1097 | struct snd_soc_dai *dai; |
f1d45cc3 | 1098 | int ret; |
589c3563 | 1099 | |
70090bbb LPC |
1100 | if (component->probed) |
1101 | return 0; | |
1102 | ||
f1d45cc3 LPC |
1103 | component->card = card; |
1104 | dapm->card = card; | |
1105 | soc_set_name_prefix(card, component); | |
589c3563 | 1106 | |
f1d45cc3 | 1107 | if (!try_module_get(component->dev->driver->owner)) |
70d29331 JN |
1108 | return -ENODEV; |
1109 | ||
f1d45cc3 | 1110 | soc_init_component_debugfs(component); |
d5d1e0be | 1111 | |
f1d45cc3 LPC |
1112 | if (component->dapm_widgets) { |
1113 | ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets, | |
1114 | component->num_dapm_widgets); | |
b318ad50 NP |
1115 | |
1116 | if (ret != 0) { | |
f1d45cc3 | 1117 | dev_err(component->dev, |
b318ad50 NP |
1118 | "Failed to create new controls %d\n", ret); |
1119 | goto err_probe; | |
1120 | } | |
1121 | } | |
77530150 | 1122 | |
f1d45cc3 LPC |
1123 | /* |
1124 | * This is rather ugly, but certain platforms expect that the DAPM | |
1125 | * widgets for the DAIs for components with the same parent device are | |
1126 | * created in the platforms DAPM context. Until that is fixed we need to | |
1127 | * keep this. | |
1128 | */ | |
1129 | if (component->steal_sibling_dai_widgets) { | |
1130 | dai_component = NULL; | |
1131 | list_for_each_entry(component2, &component_list, list) { | |
1132 | if (component == component2) | |
1133 | continue; | |
261edc70 | 1134 | |
f1d45cc3 LPC |
1135 | if (component2->dev == component->dev && |
1136 | !list_empty(&component2->dai_list)) { | |
1137 | dai_component = component2; | |
1138 | break; | |
1139 | } | |
261edc70 | 1140 | } |
f1d45cc3 LPC |
1141 | } else { |
1142 | dai_component = component; | |
1143 | list_for_each_entry(component2, &component_list, list) { | |
1144 | if (component2->dev == component->dev && | |
1145 | component2->steal_sibling_dai_widgets) { | |
1146 | dai_component = NULL; | |
1147 | break; | |
1148 | } | |
589c3563 JN |
1149 | } |
1150 | } | |
1151 | ||
f1d45cc3 LPC |
1152 | if (dai_component) { |
1153 | list_for_each_entry(dai, &dai_component->dai_list, list) { | |
1154 | snd_soc_dapm_new_dai_widgets(dapm, dai); | |
1155 | if (ret != 0) { | |
1156 | dev_err(component->dev, | |
1157 | "Failed to create DAI widgets %d\n", | |
1158 | ret); | |
1159 | goto err_probe; | |
1160 | } | |
1161 | } | |
be09ad90 LG |
1162 | } |
1163 | ||
f1d45cc3 LPC |
1164 | if (component->probe) { |
1165 | ret = component->probe(component); | |
956245e9 | 1166 | if (ret < 0) { |
f1d45cc3 LPC |
1167 | dev_err(component->dev, |
1168 | "ASoC: failed to probe component %d\n", ret); | |
956245e9 LG |
1169 | goto err_probe; |
1170 | } | |
f1d45cc3 LPC |
1171 | |
1172 | WARN(dapm->idle_bias_off && | |
1173 | dapm->bias_level != SND_SOC_BIAS_OFF, | |
1174 | "codec %s can not start from non-off bias with idle_bias_off==1\n", | |
1175 | component->name); | |
956245e9 LG |
1176 | } |
1177 | ||
f1d45cc3 LPC |
1178 | if (component->controls) |
1179 | snd_soc_add_component_controls(component, component->controls, | |
1180 | component->num_controls); | |
1181 | if (component->dapm_routes) | |
1182 | snd_soc_dapm_add_routes(dapm, component->dapm_routes, | |
1183 | component->num_dapm_routes); | |
1184 | ||
1185 | component->probed = 1; | |
1186 | list_add(&dapm->list, &card->dapm_list); | |
cb2cf612 | 1187 | |
f1d45cc3 LPC |
1188 | /* This is a HACK and will be removed soon */ |
1189 | if (component->codec) | |
1190 | list_add(&component->codec->card_list, &card->codec_dev_list); | |
956245e9 LG |
1191 | |
1192 | return 0; | |
1193 | ||
1194 | err_probe: | |
f1d45cc3 LPC |
1195 | soc_cleanup_component_debugfs(component); |
1196 | module_put(component->dev->driver->owner); | |
956245e9 LG |
1197 | |
1198 | return ret; | |
1199 | } | |
1200 | ||
36ae1a96 MB |
1201 | static void rtd_release(struct device *dev) |
1202 | { | |
1203 | kfree(dev); | |
1204 | } | |
f0fba2ad | 1205 | |
5f3484ac LPC |
1206 | static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, |
1207 | const char *name) | |
503ae5e0 | 1208 | { |
589c3563 JN |
1209 | int ret = 0; |
1210 | ||
589c3563 | 1211 | /* register the rtd device */ |
36ae1a96 MB |
1212 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1213 | if (!rtd->dev) | |
1214 | return -ENOMEM; | |
1215 | device_initialize(rtd->dev); | |
5f3484ac | 1216 | rtd->dev->parent = rtd->card->dev; |
36ae1a96 MB |
1217 | rtd->dev->release = rtd_release; |
1218 | rtd->dev->init_name = name; | |
1219 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1220 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1221 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1222 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1223 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1224 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1225 | ret = device_add(rtd->dev); |
589c3563 | 1226 | if (ret < 0) { |
865df9cb CL |
1227 | /* calling put_device() here to free the rtd->dev */ |
1228 | put_device(rtd->dev); | |
5f3484ac | 1229 | dev_err(rtd->card->dev, |
f110bfc7 | 1230 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1231 | return ret; |
1232 | } | |
1233 | rtd->dev_registered = 1; | |
1234 | ||
93c3ce76 LPC |
1235 | if (rtd->codec) { |
1236 | /* add DAPM sysfs entries for this codec */ | |
1237 | ret = snd_soc_dapm_sys_add(rtd->dev); | |
1238 | if (ret < 0) | |
1239 | dev_err(rtd->dev, | |
1240 | "ASoC: failed to add codec dapm sysfs entries: %d\n", | |
1241 | ret); | |
1242 | ||
1243 | /* add codec sysfs entries */ | |
1244 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); | |
1245 | if (ret < 0) | |
1246 | dev_err(rtd->dev, | |
1247 | "ASoC: failed to add codec sysfs files: %d\n", | |
1248 | ret); | |
1249 | } | |
589c3563 JN |
1250 | |
1251 | return 0; | |
1252 | } | |
1253 | ||
62ae68fa SW |
1254 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1255 | int order) | |
1256 | { | |
1257 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
62ae68fa | 1258 | struct snd_soc_platform *platform = rtd->platform; |
f1d45cc3 | 1259 | struct snd_soc_component *component; |
88bd870f | 1260 | int i, ret; |
62ae68fa SW |
1261 | |
1262 | /* probe the CPU-side component, if it is a CODEC */ | |
61aca564 | 1263 | component = rtd->cpu_dai->component; |
70090bbb | 1264 | if (component->driver->probe_order == order) { |
61aca564 LPC |
1265 | ret = soc_probe_component(card, component); |
1266 | if (ret < 0) | |
1267 | return ret; | |
62ae68fa SW |
1268 | } |
1269 | ||
88bd870f BC |
1270 | /* probe the CODEC-side components */ |
1271 | for (i = 0; i < rtd->num_codecs; i++) { | |
61aca564 | 1272 | component = rtd->codec_dais[i]->component; |
70090bbb | 1273 | if (component->driver->probe_order == order) { |
f1d45cc3 | 1274 | ret = soc_probe_component(card, component); |
88bd870f BC |
1275 | if (ret < 0) |
1276 | return ret; | |
1277 | } | |
62ae68fa SW |
1278 | } |
1279 | ||
1280 | /* probe the platform */ | |
70090bbb | 1281 | if (platform->component.driver->probe_order == order) { |
f1d45cc3 | 1282 | ret = soc_probe_component(card, &platform->component); |
62ae68fa SW |
1283 | if (ret < 0) |
1284 | return ret; | |
1285 | } | |
1286 | ||
1287 | return 0; | |
1288 | } | |
1289 | ||
b0aa88af MLC |
1290 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1291 | struct snd_soc_dai *codec_dai, | |
1292 | int order) | |
1293 | { | |
1294 | int ret; | |
1295 | ||
1296 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1297 | if (codec_dai->driver->probe) { | |
1298 | ret = codec_dai->driver->probe(codec_dai); | |
1299 | if (ret < 0) { | |
1300 | dev_err(codec_dai->dev, | |
1301 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1302 | codec_dai->name, ret); | |
1303 | return ret; | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | /* mark codec_dai as probed and add to card dai list */ | |
1308 | codec_dai->probed = 1; | |
b0aa88af MLC |
1309 | } |
1310 | ||
1311 | return 0; | |
1312 | } | |
1313 | ||
2436a723 MLC |
1314 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1315 | struct snd_soc_dai_link *dai_link, | |
3f901a02 | 1316 | struct snd_soc_pcm_runtime *rtd) |
2436a723 | 1317 | { |
3f901a02 BC |
1318 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1319 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
2436a723 MLC |
1320 | struct snd_soc_dapm_widget *play_w, *capture_w; |
1321 | int ret; | |
1322 | ||
88bd870f BC |
1323 | if (rtd->num_codecs > 1) |
1324 | dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n"); | |
1325 | ||
2436a723 MLC |
1326 | /* link the DAI widgets */ |
1327 | play_w = codec_dai->playback_widget; | |
1328 | capture_w = cpu_dai->capture_widget; | |
1329 | if (play_w && capture_w) { | |
1330 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1331 | capture_w, play_w); | |
1332 | if (ret != 0) { | |
1333 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1334 | play_w->name, capture_w->name, ret); | |
1335 | return ret; | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | play_w = cpu_dai->playback_widget; | |
1340 | capture_w = codec_dai->capture_widget; | |
1341 | if (play_w && capture_w) { | |
1342 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1343 | capture_w, play_w); | |
1344 | if (ret != 0) { | |
1345 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1346 | play_w->name, capture_w->name, ret); | |
1347 | return ret; | |
1348 | } | |
1349 | } | |
1350 | ||
1351 | return 0; | |
1352 | } | |
1353 | ||
62ae68fa | 1354 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1355 | { |
1356 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1357 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
f0fba2ad | 1358 | struct snd_soc_platform *platform = rtd->platform; |
c74184ed | 1359 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
88bd870f | 1360 | int i, ret; |
f0fba2ad | 1361 | |
f110bfc7 | 1362 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1363 | card->name, num, order); |
f0fba2ad LG |
1364 | |
1365 | /* config components */ | |
f0fba2ad | 1366 | cpu_dai->platform = platform; |
f0fba2ad | 1367 | cpu_dai->card = card; |
88bd870f BC |
1368 | for (i = 0; i < rtd->num_codecs; i++) |
1369 | rtd->codec_dais[i]->card = card; | |
f0fba2ad LG |
1370 | |
1371 | /* set default power off timeout */ | |
1372 | rtd->pmdown_time = pmdown_time; | |
1373 | ||
1374 | /* probe the cpu_dai */ | |
0168bf0d LG |
1375 | if (!cpu_dai->probed && |
1376 | cpu_dai->driver->probe_order == order) { | |
f0fba2ad LG |
1377 | if (cpu_dai->driver->probe) { |
1378 | ret = cpu_dai->driver->probe(cpu_dai); | |
1379 | if (ret < 0) { | |
f110bfc7 LG |
1380 | dev_err(cpu_dai->dev, |
1381 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1382 | cpu_dai->name, ret); | |
f0fba2ad LG |
1383 | return ret; |
1384 | } | |
1385 | } | |
1386 | cpu_dai->probed = 1; | |
db2a4165 FM |
1387 | } |
1388 | ||
f0fba2ad | 1389 | /* probe the CODEC DAI */ |
88bd870f BC |
1390 | for (i = 0; i < rtd->num_codecs; i++) { |
1391 | ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order); | |
1392 | if (ret) | |
1393 | return ret; | |
1394 | } | |
fe3e78e0 | 1395 | |
0168bf0d LG |
1396 | /* complete DAI probe during last probe */ |
1397 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1398 | return 0; | |
1399 | ||
5f3484ac LPC |
1400 | /* do machine specific initialization */ |
1401 | if (dai_link->init) { | |
1402 | ret = dai_link->init(rtd); | |
1403 | if (ret < 0) { | |
1404 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1405 | dai_link->name, ret); | |
1406 | return ret; | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | ret = soc_post_component_init(rtd, dai_link->name); | |
589c3563 | 1411 | if (ret) |
f0fba2ad | 1412 | return ret; |
fe3e78e0 | 1413 | |
5f3484ac LPC |
1414 | #ifdef CONFIG_DEBUG_FS |
1415 | /* add DPCM sysfs entries */ | |
1416 | if (dai_link->dynamic) { | |
1417 | ret = soc_dpcm_debugfs_add(rtd); | |
1418 | if (ret < 0) { | |
1419 | dev_err(rtd->dev, | |
1420 | "ASoC: failed to add dpcm sysfs entries: %d\n", | |
1421 | ret); | |
1422 | return ret; | |
1423 | } | |
1424 | } | |
1425 | #endif | |
1426 | ||
36ae1a96 | 1427 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1428 | if (ret < 0) |
f110bfc7 LG |
1429 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1430 | ret); | |
f0fba2ad | 1431 | |
1245b700 NK |
1432 | if (cpu_dai->driver->compress_dai) { |
1433 | /*create compress_device"*/ | |
1434 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1435 | if (ret < 0) { |
f110bfc7 | 1436 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1437 | dai_link->stream_name); |
c74184ed MB |
1438 | return ret; |
1439 | } | |
1440 | } else { | |
1245b700 NK |
1441 | |
1442 | if (!dai_link->params) { | |
1443 | /* create the pcm */ | |
1444 | ret = soc_new_pcm(rtd, num); | |
1445 | if (ret < 0) { | |
f110bfc7 | 1446 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1447 | dai_link->stream_name, ret); |
c74184ed MB |
1448 | return ret; |
1449 | } | |
1245b700 | 1450 | } else { |
9d58a077 RF |
1451 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1452 | codec2codec_close_delayed_work); | |
1453 | ||
1245b700 | 1454 | /* link the DAI widgets */ |
3f901a02 | 1455 | ret = soc_link_dai_widgets(card, dai_link, rtd); |
2436a723 MLC |
1456 | if (ret) |
1457 | return ret; | |
c74184ed | 1458 | } |
f0fba2ad LG |
1459 | } |
1460 | ||
1461 | /* add platform data for AC97 devices */ | |
88bd870f BC |
1462 | for (i = 0; i < rtd->num_codecs; i++) { |
1463 | if (rtd->codec_dais[i]->driver->ac97_control) | |
1464 | snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97, | |
1465 | rtd->cpu_dai->ac97_pdata); | |
1466 | } | |
f0fba2ad LG |
1467 | |
1468 | return 0; | |
1469 | } | |
1470 | ||
fe3e78e0 | 1471 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 MLC |
1472 | static int soc_register_ac97_codec(struct snd_soc_codec *codec, |
1473 | struct snd_soc_dai *codec_dai) | |
f0fba2ad LG |
1474 | { |
1475 | int ret; | |
1476 | ||
fe3e78e0 MB |
1477 | /* Only instantiate AC97 if not already done by the adaptor |
1478 | * for the generic AC97 subsystem. | |
1479 | */ | |
02c9c7b9 | 1480 | if (codec_dai->driver->ac97_control && !codec->ac97_registered) { |
0562f788 MW |
1481 | /* |
1482 | * It is possible that the AC97 device is already registered to | |
1483 | * the device subsystem. This happens when the device is created | |
1484 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1485 | * is the generic AC97 glue but others migh emerge. | |
1486 | * | |
1487 | * In those cases we don't try to register the device again. | |
1488 | */ | |
02c9c7b9 | 1489 | if (!codec->ac97_created) |
0562f788 | 1490 | return 0; |
f0fba2ad | 1491 | |
02c9c7b9 | 1492 | ret = soc_ac97_dev_register(codec); |
fe3e78e0 | 1493 | if (ret < 0) { |
02c9c7b9 | 1494 | dev_err(codec->dev, |
f110bfc7 | 1495 | "ASoC: AC97 device register failed: %d\n", ret); |
f0fba2ad | 1496 | return ret; |
fe3e78e0 | 1497 | } |
f0fba2ad | 1498 | |
02c9c7b9 | 1499 | codec->ac97_registered = 1; |
fe3e78e0 | 1500 | } |
f0fba2ad LG |
1501 | return 0; |
1502 | } | |
1503 | ||
02c9c7b9 | 1504 | static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) |
f0fba2ad LG |
1505 | { |
1506 | if (codec->ac97_registered) { | |
1507 | soc_ac97_dev_unregister(codec); | |
1508 | codec->ac97_registered = 0; | |
1509 | } | |
1510 | } | |
02c9c7b9 | 1511 | |
88bd870f BC |
1512 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1513 | { | |
1514 | int i, ret; | |
1515 | ||
1516 | for (i = 0; i < rtd->num_codecs; i++) { | |
1517 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; | |
1518 | ||
1519 | ret = soc_register_ac97_codec(codec_dai->codec, codec_dai); | |
1520 | if (ret) { | |
1521 | while (--i >= 0) | |
1522 | soc_unregister_ac97_codec(codec_dai->codec); | |
1523 | return ret; | |
1524 | } | |
1525 | } | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
02c9c7b9 MLC |
1530 | static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1531 | { | |
88bd870f BC |
1532 | int i; |
1533 | ||
1534 | for (i = 0; i < rtd->num_codecs; i++) | |
1535 | soc_unregister_ac97_codec(rtd->codec_dais[i]->codec); | |
02c9c7b9 | 1536 | } |
fe3e78e0 MB |
1537 | #endif |
1538 | ||
44c69bb1 | 1539 | static int soc_bind_aux_dev(struct snd_soc_card *card, int num) |
3ca041ed | 1540 | { |
44c69bb1 | 1541 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
3ca041ed | 1542 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
65d9361f | 1543 | const char *name = aux_dev->codec_name; |
3ca041ed | 1544 | |
65d9361f LPC |
1545 | rtd->component = soc_find_component(aux_dev->codec_of_node, name); |
1546 | if (!rtd->component) { | |
3ca041ed | 1547 | if (aux_dev->codec_of_node) |
65d9361f | 1548 | name = of_node_full_name(aux_dev->codec_of_node); |
3ca041ed | 1549 | |
65d9361f | 1550 | dev_err(card->dev, "ASoC: %s not registered\n", name); |
3ca041ed SR |
1551 | return -EPROBE_DEFER; |
1552 | } | |
fb099cb7 | 1553 | |
65d9361f LPC |
1554 | /* |
1555 | * Some places still reference rtd->codec, so we have to keep that | |
1556 | * initialized if the component is a CODEC. Once all those references | |
1557 | * have been removed, this code can be removed as well. | |
1558 | */ | |
1559 | rtd->codec = rtd->component->codec; | |
1560 | ||
44c69bb1 | 1561 | return 0; |
b19e6e7b MB |
1562 | } |
1563 | ||
2eea392d JN |
1564 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1565 | { | |
44c69bb1 | 1566 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
2eea392d | 1567 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
44c69bb1 | 1568 | int ret; |
3ca041ed | 1569 | |
65d9361f | 1570 | ret = soc_probe_component(card, rtd->component); |
2eea392d | 1571 | if (ret < 0) |
589c3563 | 1572 | return ret; |
2eea392d | 1573 | |
5f3484ac LPC |
1574 | /* do machine specific initialization */ |
1575 | if (aux_dev->init) { | |
57bf7726 | 1576 | ret = aux_dev->init(rtd->component); |
5f3484ac LPC |
1577 | if (ret < 0) { |
1578 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1579 | aux_dev->name, ret); | |
1580 | return ret; | |
1581 | } | |
1582 | } | |
2eea392d | 1583 | |
5f3484ac | 1584 | return soc_post_component_init(rtd, aux_dev->name); |
2eea392d JN |
1585 | } |
1586 | ||
1587 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1588 | { | |
1589 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
65d9361f | 1590 | struct snd_soc_component *component = rtd->component; |
2eea392d JN |
1591 | |
1592 | /* unregister the rtd device */ | |
1593 | if (rtd->dev_registered) { | |
36ae1a96 | 1594 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1595 | device_unregister(rtd->dev); |
2eea392d JN |
1596 | rtd->dev_registered = 0; |
1597 | } | |
1598 | ||
65d9361f LPC |
1599 | if (component && component->probed) |
1600 | soc_remove_component(component); | |
2eea392d JN |
1601 | } |
1602 | ||
f90fb3f7 | 1603 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1604 | { |
1605 | int ret; | |
1606 | ||
1607 | if (codec->cache_init) | |
1608 | return 0; | |
1609 | ||
fdf0f54d DP |
1610 | ret = snd_soc_cache_init(codec); |
1611 | if (ret < 0) { | |
10e8aa9a MM |
1612 | dev_err(codec->dev, |
1613 | "ASoC: Failed to set cache compression type: %d\n", | |
1614 | ret); | |
fdf0f54d DP |
1615 | return ret; |
1616 | } | |
1617 | codec->cache_init = 1; | |
1618 | return 0; | |
1619 | } | |
1620 | ||
b19e6e7b | 1621 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1622 | { |
fdf0f54d | 1623 | struct snd_soc_codec *codec; |
75d9ac46 | 1624 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1625 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1626 | |
01b9d99a | 1627 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1628 | |
f0fba2ad | 1629 | /* bind DAIs */ |
b19e6e7b MB |
1630 | for (i = 0; i < card->num_links; i++) { |
1631 | ret = soc_bind_dai_link(card, i); | |
1632 | if (ret != 0) | |
1633 | goto base_error; | |
1634 | } | |
fe3e78e0 | 1635 | |
44c69bb1 | 1636 | /* bind aux_devs too */ |
b19e6e7b | 1637 | for (i = 0; i < card->num_aux_devs; i++) { |
44c69bb1 | 1638 | ret = soc_bind_aux_dev(card, i); |
b19e6e7b MB |
1639 | if (ret != 0) |
1640 | goto base_error; | |
f0fba2ad | 1641 | } |
435c5e25 | 1642 | |
fdf0f54d DP |
1643 | /* initialize the register cache for each available codec */ |
1644 | list_for_each_entry(codec, &codec_list, list) { | |
1645 | if (codec->cache_init) | |
1646 | continue; | |
f90fb3f7 | 1647 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1648 | if (ret < 0) |
1649 | goto base_error; | |
fdf0f54d DP |
1650 | } |
1651 | ||
f0fba2ad | 1652 | /* card bind complete so register a sound card */ |
102b5a8d | 1653 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1654 | card->owner, 0, &card->snd_card); |
1655 | if (ret < 0) { | |
10e8aa9a MM |
1656 | dev_err(card->dev, |
1657 | "ASoC: can't create sound card for card %s: %d\n", | |
1658 | card->name, ret); | |
b19e6e7b | 1659 | goto base_error; |
f0fba2ad | 1660 | } |
f0fba2ad | 1661 | |
e37a4970 MB |
1662 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1663 | card->dapm.dev = card->dev; | |
1664 | card->dapm.card = card; | |
1665 | list_add(&card->dapm.list, &card->dapm_list); | |
1666 | ||
d5d1e0be LPC |
1667 | #ifdef CONFIG_DEBUG_FS |
1668 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1669 | #endif | |
1670 | ||
88ee1c61 | 1671 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1672 | /* deferred resume work */ |
1673 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1674 | #endif | |
db2a4165 | 1675 | |
9a841ebb MB |
1676 | if (card->dapm_widgets) |
1677 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1678 | card->num_dapm_widgets); | |
1679 | ||
f0fba2ad LG |
1680 | /* initialise the sound card only once */ |
1681 | if (card->probe) { | |
e7361ec4 | 1682 | ret = card->probe(card); |
f0fba2ad LG |
1683 | if (ret < 0) |
1684 | goto card_probe_error; | |
1685 | } | |
fe3e78e0 | 1686 | |
62ae68fa | 1687 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1688 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1689 | order++) { | |
1690 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1691 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1692 | if (ret < 0) { |
f110bfc7 LG |
1693 | dev_err(card->dev, |
1694 | "ASoC: failed to instantiate card %d\n", | |
1695 | ret); | |
62ae68fa SW |
1696 | goto probe_dai_err; |
1697 | } | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | /* probe all DAI links on this card */ | |
1702 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1703 | order++) { | |
1704 | for (i = 0; i < card->num_links; i++) { | |
1705 | ret = soc_probe_link_dais(card, i, order); | |
1706 | if (ret < 0) { | |
f110bfc7 LG |
1707 | dev_err(card->dev, |
1708 | "ASoC: failed to instantiate card %d\n", | |
1709 | ret); | |
0168bf0d LG |
1710 | goto probe_dai_err; |
1711 | } | |
f0fba2ad LG |
1712 | } |
1713 | } | |
db2a4165 | 1714 | |
2eea392d JN |
1715 | for (i = 0; i < card->num_aux_devs; i++) { |
1716 | ret = soc_probe_aux_dev(card, i); | |
1717 | if (ret < 0) { | |
f110bfc7 LG |
1718 | dev_err(card->dev, |
1719 | "ASoC: failed to add auxiliary devices %d\n", | |
1720 | ret); | |
2eea392d JN |
1721 | goto probe_aux_dev_err; |
1722 | } | |
1723 | } | |
1724 | ||
888df395 | 1725 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1726 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1727 | |
b7af1daf | 1728 | if (card->controls) |
022658be | 1729 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1730 | |
b8ad29de MB |
1731 | if (card->dapm_routes) |
1732 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1733 | card->num_dapm_routes); | |
1734 | ||
75d9ac46 | 1735 | for (i = 0; i < card->num_links; i++) { |
88bd870f | 1736 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
75d9ac46 | 1737 | dai_link = &card->dai_link[i]; |
f04209a7 | 1738 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1739 | |
f04209a7 | 1740 | if (dai_fmt) { |
88bd870f BC |
1741 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
1742 | int j; | |
1743 | ||
1744 | for (j = 0; j < rtd->num_codecs; j++) { | |
1745 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
1746 | ||
1747 | ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); | |
1748 | if (ret != 0 && ret != -ENOTSUPP) | |
1749 | dev_warn(codec_dai->dev, | |
1750 | "ASoC: Failed to set DAI format: %d\n", | |
1751 | ret); | |
1752 | } | |
f04209a7 MB |
1753 | } |
1754 | ||
1755 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1756 | if (dai_fmt && |
1757 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1758 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1759 | dai_fmt); | |
1760 | if (ret != 0 && ret != -ENOTSUPP) | |
1761 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1762 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1763 | ret); |
1764 | } else if (dai_fmt) { | |
1765 | /* Flip the polarity for the "CPU" end */ | |
1766 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1767 | switch (dai_link->dai_fmt & | |
1768 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1769 | case SND_SOC_DAIFMT_CBM_CFM: | |
1770 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1771 | break; | |
1772 | case SND_SOC_DAIFMT_CBM_CFS: | |
1773 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1774 | break; | |
1775 | case SND_SOC_DAIFMT_CBS_CFM: | |
1776 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1777 | break; | |
1778 | case SND_SOC_DAIFMT_CBS_CFS: | |
1779 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1780 | break; | |
1781 | } | |
75d9ac46 MB |
1782 | |
1783 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1784 | dai_fmt); |
5e4ba569 | 1785 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1786 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1787 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1788 | ret); |
1789 | } | |
1790 | } | |
1791 | ||
f0fba2ad | 1792 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1793 | "%s", card->name); |
22de71ba LG |
1794 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1795 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1796 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1797 | "%s", card->driver_name ? card->driver_name : card->name); | |
1798 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1799 | switch (card->snd_card->driver[i]) { | |
1800 | case '_': | |
1801 | case '-': | |
1802 | case '\0': | |
1803 | break; | |
1804 | default: | |
1805 | if (!isalnum(card->snd_card->driver[i])) | |
1806 | card->snd_card->driver[i] = '_'; | |
1807 | break; | |
1808 | } | |
1809 | } | |
f0fba2ad | 1810 | |
28e9ad92 MB |
1811 | if (card->late_probe) { |
1812 | ret = card->late_probe(card); | |
1813 | if (ret < 0) { | |
f110bfc7 | 1814 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1815 | card->name, ret); |
1816 | goto probe_aux_dev_err; | |
1817 | } | |
1818 | } | |
1819 | ||
1633281b | 1820 | if (card->fully_routed) |
7df37884 | 1821 | snd_soc_dapm_auto_nc_pins(card); |
1633281b | 1822 | |
824ef826 | 1823 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1824 | |
f0fba2ad LG |
1825 | ret = snd_card_register(card->snd_card); |
1826 | if (ret < 0) { | |
f110bfc7 LG |
1827 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1828 | ret); | |
6b3ed785 | 1829 | goto probe_aux_dev_err; |
db2a4165 FM |
1830 | } |
1831 | ||
f0fba2ad LG |
1832 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1833 | /* register any AC97 codecs */ | |
1834 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1835 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1836 | if (ret < 0) { | |
10e8aa9a MM |
1837 | dev_err(card->dev, |
1838 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1839 | while (--i >= 0) |
02c9c7b9 | 1840 | soc_unregister_ac97_dai_link(&card->rtd[i]); |
6b3ed785 | 1841 | goto probe_aux_dev_err; |
f0fba2ad | 1842 | } |
6b3ed785 | 1843 | } |
f0fba2ad LG |
1844 | #endif |
1845 | ||
1846 | card->instantiated = 1; | |
4f4c0072 | 1847 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1848 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1849 | |
1850 | return 0; | |
f0fba2ad | 1851 | |
2eea392d JN |
1852 | probe_aux_dev_err: |
1853 | for (i = 0; i < card->num_aux_devs; i++) | |
1854 | soc_remove_aux_dev(card, i); | |
1855 | ||
f0fba2ad | 1856 | probe_dai_err: |
0671fd8e | 1857 | soc_remove_dai_links(card); |
f0fba2ad LG |
1858 | |
1859 | card_probe_error: | |
87506549 | 1860 | if (card->remove) |
e7361ec4 | 1861 | card->remove(card); |
f0fba2ad LG |
1862 | |
1863 | snd_card_free(card->snd_card); | |
1864 | ||
b19e6e7b | 1865 | base_error: |
f0fba2ad | 1866 | mutex_unlock(&card->mutex); |
db2a4165 | 1867 | |
b19e6e7b | 1868 | return ret; |
435c5e25 MB |
1869 | } |
1870 | ||
1871 | /* probes a new socdev */ | |
1872 | static int soc_probe(struct platform_device *pdev) | |
1873 | { | |
f0fba2ad | 1874 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1875 | |
70a7ca34 VK |
1876 | /* |
1877 | * no card, so machine driver should be registering card | |
1878 | * we should not be here in that case so ret error | |
1879 | */ | |
1880 | if (!card) | |
1881 | return -EINVAL; | |
1882 | ||
fe4085e8 | 1883 | dev_warn(&pdev->dev, |
f110bfc7 | 1884 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1885 | card->name); |
1886 | ||
435c5e25 MB |
1887 | /* Bodge while we unpick instantiation */ |
1888 | card->dev = &pdev->dev; | |
f0fba2ad | 1889 | |
28d528c8 | 1890 | return snd_soc_register_card(card); |
db2a4165 FM |
1891 | } |
1892 | ||
b0e26485 | 1893 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1894 | { |
1895 | int i; | |
db2a4165 | 1896 | |
b0e26485 VK |
1897 | /* make sure any delayed work runs */ |
1898 | for (i = 0; i < card->num_rtd; i++) { | |
1899 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1900 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1901 | } |
914dc182 | 1902 | |
b0e26485 VK |
1903 | /* remove auxiliary devices */ |
1904 | for (i = 0; i < card->num_aux_devs; i++) | |
1905 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1906 | |
b0e26485 | 1907 | /* remove and free each DAI */ |
0671fd8e | 1908 | soc_remove_dai_links(card); |
2eea392d | 1909 | |
b0e26485 | 1910 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1911 | |
b0e26485 VK |
1912 | /* remove the card */ |
1913 | if (card->remove) | |
e7361ec4 | 1914 | card->remove(card); |
a6052154 | 1915 | |
0aaae527 LPC |
1916 | snd_soc_dapm_free(&card->dapm); |
1917 | ||
b0e26485 VK |
1918 | snd_card_free(card->snd_card); |
1919 | return 0; | |
1920 | ||
1921 | } | |
1922 | ||
1923 | /* removes a socdev */ | |
1924 | static int soc_remove(struct platform_device *pdev) | |
1925 | { | |
1926 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1927 | |
c5af3a2e | 1928 | snd_soc_unregister_card(card); |
db2a4165 FM |
1929 | return 0; |
1930 | } | |
1931 | ||
6f8ab4ac | 1932 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1933 | { |
6f8ab4ac | 1934 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1935 | int i; |
51737470 MB |
1936 | |
1937 | if (!card->instantiated) | |
416356fc | 1938 | return 0; |
51737470 MB |
1939 | |
1940 | /* Flush out pmdown_time work - we actually do want to run it | |
1941 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1942 | for (i = 0; i < card->num_rtd; i++) { |
1943 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1944 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1945 | } |
51737470 | 1946 | |
f0fba2ad | 1947 | snd_soc_dapm_shutdown(card); |
416356fc | 1948 | |
988e8cc4 NC |
1949 | /* deactivate pins to sleep state */ |
1950 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
1951 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
1952 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1953 | int j; | |
1954 | ||
988e8cc4 | 1955 | pinctrl_pm_select_sleep_state(cpu_dai->dev); |
88bd870f BC |
1956 | for (j = 0; j < rtd->num_codecs; j++) { |
1957 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
1958 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
1959 | } | |
988e8cc4 NC |
1960 | } |
1961 | ||
416356fc | 1962 | return 0; |
51737470 | 1963 | } |
6f8ab4ac | 1964 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1965 | |
6f8ab4ac | 1966 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1967 | .suspend = snd_soc_suspend, |
1968 | .resume = snd_soc_resume, | |
1969 | .freeze = snd_soc_suspend, | |
1970 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1971 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1972 | .restore = snd_soc_resume, |
416356fc | 1973 | }; |
deb2607e | 1974 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1975 | |
db2a4165 FM |
1976 | /* ASoC platform driver */ |
1977 | static struct platform_driver soc_driver = { | |
1978 | .driver = { | |
1979 | .name = "soc-audio", | |
8b45a209 | 1980 | .owner = THIS_MODULE, |
6f8ab4ac | 1981 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1982 | }, |
1983 | .probe = soc_probe, | |
1984 | .remove = soc_remove, | |
db2a4165 FM |
1985 | }; |
1986 | ||
db2a4165 FM |
1987 | /** |
1988 | * snd_soc_new_ac97_codec - initailise AC97 device | |
1989 | * @codec: audio codec | |
1990 | * @ops: AC97 bus operations | |
1991 | * @num: AC97 codec number | |
1992 | * | |
1993 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
1994 | */ | |
1995 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
1996 | struct snd_ac97_bus_ops *ops, int num) | |
1997 | { | |
1998 | mutex_lock(&codec->mutex); | |
1999 | ||
2000 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2001 | if (codec->ac97 == NULL) { | |
2002 | mutex_unlock(&codec->mutex); | |
2003 | return -ENOMEM; | |
2004 | } | |
2005 | ||
2006 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2007 | if (codec->ac97->bus == NULL) { | |
2008 | kfree(codec->ac97); | |
2009 | codec->ac97 = NULL; | |
2010 | mutex_unlock(&codec->mutex); | |
2011 | return -ENOMEM; | |
2012 | } | |
2013 | ||
2014 | codec->ac97->bus->ops = ops; | |
2015 | codec->ac97->num = num; | |
0562f788 MW |
2016 | |
2017 | /* | |
2018 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2019 | * device will be registered with the device subsystem later on. | |
2020 | */ | |
2021 | codec->ac97_created = 1; | |
2022 | ||
db2a4165 FM |
2023 | mutex_unlock(&codec->mutex); |
2024 | return 0; | |
2025 | } | |
2026 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2027 | ||
741a509f MP |
2028 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2029 | ||
2030 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2031 | { | |
2032 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2033 | ||
2034 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2035 | ||
2036 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2037 | ||
2038 | udelay(10); | |
2039 | ||
2040 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2041 | ||
2042 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2043 | msleep(2); | |
2044 | } | |
2045 | ||
2046 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2047 | { | |
2048 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2049 | ||
2050 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2051 | ||
2052 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2053 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2054 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2055 | ||
2056 | udelay(10); | |
2057 | ||
2058 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2059 | ||
2060 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2061 | msleep(2); | |
2062 | } | |
2063 | ||
2064 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2065 | struct snd_ac97_reset_cfg *cfg) | |
2066 | { | |
2067 | struct pinctrl *p; | |
2068 | struct pinctrl_state *state; | |
2069 | int gpio; | |
2070 | int ret; | |
2071 | ||
2072 | p = devm_pinctrl_get(dev); | |
2073 | if (IS_ERR(p)) { | |
2074 | dev_err(dev, "Failed to get pinctrl\n"); | |
b7580cde | 2075 | return PTR_ERR(p); |
741a509f MP |
2076 | } |
2077 | cfg->pctl = p; | |
2078 | ||
2079 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2080 | if (IS_ERR(state)) { | |
2081 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
b7580cde | 2082 | return PTR_ERR(state); |
741a509f MP |
2083 | } |
2084 | cfg->pstate_reset = state; | |
2085 | ||
2086 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2087 | if (IS_ERR(state)) { | |
2088 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
b7580cde | 2089 | return PTR_ERR(state); |
741a509f MP |
2090 | } |
2091 | cfg->pstate_warm_reset = state; | |
2092 | ||
2093 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2094 | if (IS_ERR(state)) { | |
2095 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
b7580cde | 2096 | return PTR_ERR(state); |
741a509f MP |
2097 | } |
2098 | cfg->pstate_run = state; | |
2099 | ||
2100 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2101 | if (gpio < 0) { | |
2102 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2103 | return gpio; | |
2104 | } | |
2105 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2106 | if (ret) { | |
2107 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2108 | return ret; | |
2109 | } | |
2110 | cfg->gpio_sync = gpio; | |
2111 | ||
2112 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2113 | if (gpio < 0) { | |
2114 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2115 | return gpio; | |
2116 | } | |
2117 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2118 | if (ret) { | |
2119 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2120 | return ret; | |
2121 | } | |
2122 | cfg->gpio_sdata = gpio; | |
2123 | ||
2124 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2125 | if (gpio < 0) { | |
2126 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2127 | return gpio; | |
2128 | } | |
2129 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2130 | if (ret) { | |
2131 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2132 | return ret; | |
2133 | } | |
2134 | cfg->gpio_reset = gpio; | |
2135 | ||
2136 | return 0; | |
2137 | } | |
2138 | ||
b047e1cc | 2139 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2140 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2141 | |
2142 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2143 | { | |
2144 | if (ops == soc_ac97_ops) | |
2145 | return 0; | |
2146 | ||
2147 | if (soc_ac97_ops && ops) | |
2148 | return -EBUSY; | |
2149 | ||
2150 | soc_ac97_ops = ops; | |
2151 | ||
2152 | return 0; | |
2153 | } | |
2154 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2155 | ||
741a509f MP |
2156 | /** |
2157 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2158 | * | |
2159 | * This function sets the reset and warm_reset properties of ops and parses | |
2160 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2161 | */ | |
2162 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2163 | struct platform_device *pdev) | |
2164 | { | |
2165 | struct device *dev = &pdev->dev; | |
2166 | struct snd_ac97_reset_cfg cfg; | |
2167 | int ret; | |
2168 | ||
2169 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2170 | if (ret) | |
2171 | return ret; | |
2172 | ||
2173 | ret = snd_soc_set_ac97_ops(ops); | |
2174 | if (ret) | |
2175 | return ret; | |
2176 | ||
2177 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2178 | ops->reset = snd_soc_ac97_reset; | |
2179 | ||
2180 | snd_ac97_rst_cfg = cfg; | |
2181 | return 0; | |
2182 | } | |
2183 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2184 | ||
db2a4165 FM |
2185 | /** |
2186 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2187 | * @codec: audio codec | |
2188 | * | |
2189 | * Frees AC97 codec device resources. | |
2190 | */ | |
2191 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2192 | { | |
2193 | mutex_lock(&codec->mutex); | |
f0fba2ad | 2194 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 | 2195 | soc_unregister_ac97_codec(codec); |
f0fba2ad | 2196 | #endif |
db2a4165 FM |
2197 | kfree(codec->ac97->bus); |
2198 | kfree(codec->ac97); | |
2199 | codec->ac97 = NULL; | |
0562f788 | 2200 | codec->ac97_created = 0; |
db2a4165 FM |
2201 | mutex_unlock(&codec->mutex); |
2202 | } | |
2203 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2204 | ||
db2a4165 FM |
2205 | /** |
2206 | * snd_soc_cnew - create new control | |
2207 | * @_template: control template | |
2208 | * @data: control private data | |
ac11a2b3 | 2209 | * @long_name: control long name |
efb7ac3f | 2210 | * @prefix: control name prefix |
db2a4165 FM |
2211 | * |
2212 | * Create a new mixer control from a template control. | |
2213 | * | |
2214 | * Returns 0 for success, else error. | |
2215 | */ | |
2216 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2217 | void *data, const char *long_name, |
efb7ac3f | 2218 | const char *prefix) |
db2a4165 FM |
2219 | { |
2220 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2221 | struct snd_kcontrol *kcontrol; |
2222 | char *name = NULL; | |
db2a4165 FM |
2223 | |
2224 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2225 | template.index = 0; |
2226 | ||
efb7ac3f MB |
2227 | if (!long_name) |
2228 | long_name = template.name; | |
2229 | ||
2230 | if (prefix) { | |
2b581074 | 2231 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2232 | if (!name) |
2233 | return NULL; | |
2234 | ||
efb7ac3f MB |
2235 | template.name = name; |
2236 | } else { | |
2237 | template.name = long_name; | |
2238 | } | |
2239 | ||
2240 | kcontrol = snd_ctl_new1(&template, data); | |
2241 | ||
2242 | kfree(name); | |
2243 | ||
2244 | return kcontrol; | |
db2a4165 FM |
2245 | } |
2246 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2247 | ||
022658be LG |
2248 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2249 | const struct snd_kcontrol_new *controls, int num_controls, | |
2250 | const char *prefix, void *data) | |
2251 | { | |
2252 | int err, i; | |
2253 | ||
2254 | for (i = 0; i < num_controls; i++) { | |
2255 | const struct snd_kcontrol_new *control = &controls[i]; | |
2256 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2257 | control->name, prefix)); | |
2258 | if (err < 0) { | |
f110bfc7 LG |
2259 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2260 | control->name, err); | |
022658be LG |
2261 | return err; |
2262 | } | |
2263 | } | |
2264 | ||
2265 | return 0; | |
2266 | } | |
2267 | ||
4fefd698 DP |
2268 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2269 | const char *name) | |
2270 | { | |
2271 | struct snd_card *card = soc_card->snd_card; | |
2272 | struct snd_kcontrol *kctl; | |
2273 | ||
2274 | if (unlikely(!name)) | |
2275 | return NULL; | |
2276 | ||
2277 | list_for_each_entry(kctl, &card->controls, list) | |
2278 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2279 | return kctl; | |
2280 | return NULL; | |
2281 | } | |
2282 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2283 | ||
0f2780ad LPC |
2284 | /** |
2285 | * snd_soc_add_component_controls - Add an array of controls to a component. | |
2286 | * | |
2287 | * @component: Component to add controls to | |
2288 | * @controls: Array of controls to add | |
2289 | * @num_controls: Number of elements in the array | |
2290 | * | |
2291 | * Return: 0 for success, else error. | |
2292 | */ | |
2293 | int snd_soc_add_component_controls(struct snd_soc_component *component, | |
2294 | const struct snd_kcontrol_new *controls, unsigned int num_controls) | |
2295 | { | |
2296 | struct snd_card *card = component->card->snd_card; | |
2297 | ||
2298 | return snd_soc_add_controls(card, component->dev, controls, | |
2299 | num_controls, component->name_prefix, component); | |
2300 | } | |
2301 | EXPORT_SYMBOL_GPL(snd_soc_add_component_controls); | |
2302 | ||
3e8e1952 | 2303 | /** |
022658be LG |
2304 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2305 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2306 | * duplicating this code. |
2307 | * | |
2308 | * @codec: codec to add controls to | |
2309 | * @controls: array of controls to add | |
2310 | * @num_controls: number of elements in the array | |
2311 | * | |
2312 | * Return 0 for success, else error. | |
2313 | */ | |
022658be | 2314 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
0f2780ad | 2315 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
3e8e1952 | 2316 | { |
0f2780ad LPC |
2317 | return snd_soc_add_component_controls(&codec->component, controls, |
2318 | num_controls); | |
3e8e1952 | 2319 | } |
022658be | 2320 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2321 | |
a491a5c8 LG |
2322 | /** |
2323 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2324 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2325 | * |
2326 | * @platform: platform to add controls to | |
2327 | * @controls: array of controls to add | |
2328 | * @num_controls: number of elements in the array | |
2329 | * | |
2330 | * Return 0 for success, else error. | |
2331 | */ | |
2332 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
0f2780ad | 2333 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
a491a5c8 | 2334 | { |
0f2780ad LPC |
2335 | return snd_soc_add_component_controls(&platform->component, controls, |
2336 | num_controls); | |
a491a5c8 LG |
2337 | } |
2338 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2339 | ||
022658be LG |
2340 | /** |
2341 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2342 | * Convenience function to add a list of controls. | |
2343 | * | |
2344 | * @soc_card: SoC card to add controls to | |
2345 | * @controls: array of controls to add | |
2346 | * @num_controls: number of elements in the array | |
2347 | * | |
2348 | * Return 0 for success, else error. | |
2349 | */ | |
2350 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2351 | const struct snd_kcontrol_new *controls, int num_controls) | |
2352 | { | |
2353 | struct snd_card *card = soc_card->snd_card; | |
2354 | ||
2355 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2356 | NULL, soc_card); | |
2357 | } | |
2358 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2359 | ||
2360 | /** | |
2361 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2362 | * Convienience function to add a list of controls. | |
2363 | * | |
2364 | * @dai: DAI to add controls to | |
2365 | * @controls: array of controls to add | |
2366 | * @num_controls: number of elements in the array | |
2367 | * | |
2368 | * Return 0 for success, else error. | |
2369 | */ | |
2370 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2371 | const struct snd_kcontrol_new *controls, int num_controls) | |
2372 | { | |
2373 | struct snd_card *card = dai->card->snd_card; | |
2374 | ||
2375 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2376 | NULL, dai); | |
2377 | } | |
2378 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2379 | ||
db2a4165 FM |
2380 | /** |
2381 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2382 | * @kcontrol: mixer control | |
2383 | * @uinfo: control element information | |
2384 | * | |
2385 | * Callback to provide information about a double enumerated | |
2386 | * mixer control. | |
2387 | * | |
2388 | * Returns 0 for success. | |
2389 | */ | |
2390 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2391 | struct snd_ctl_elem_info *uinfo) | |
2392 | { | |
2393 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2394 | ||
2395 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2396 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2397 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2398 | |
9a8d38db TI |
2399 | if (uinfo->value.enumerated.item >= e->items) |
2400 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2401 | strlcpy(uinfo->value.enumerated.name, |
2402 | e->texts[uinfo->value.enumerated.item], | |
2403 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2404 | return 0; |
2405 | } | |
2406 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2407 | ||
2408 | /** | |
2409 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2410 | * @kcontrol: mixer control | |
ac11a2b3 | 2411 | * @ucontrol: control element information |
db2a4165 FM |
2412 | * |
2413 | * Callback to get the value of a double enumerated mixer. | |
2414 | * | |
2415 | * Returns 0 for success. | |
2416 | */ | |
2417 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2418 | struct snd_ctl_elem_value *ucontrol) | |
2419 | { | |
907fe36a | 2420 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2421 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 LPC |
2422 | unsigned int val, item; |
2423 | unsigned int reg_val; | |
907fe36a | 2424 | int ret; |
db2a4165 | 2425 | |
907fe36a LPC |
2426 | ret = snd_soc_component_read(component, e->reg, ®_val); |
2427 | if (ret) | |
2428 | return ret; | |
29ae2fa5 LPC |
2429 | val = (reg_val >> e->shift_l) & e->mask; |
2430 | item = snd_soc_enum_val_to_item(e, val); | |
2431 | ucontrol->value.enumerated.item[0] = item; | |
2432 | if (e->shift_l != e->shift_r) { | |
2433 | val = (reg_val >> e->shift_l) & e->mask; | |
2434 | item = snd_soc_enum_val_to_item(e, val); | |
2435 | ucontrol->value.enumerated.item[1] = item; | |
2436 | } | |
db2a4165 FM |
2437 | |
2438 | return 0; | |
2439 | } | |
2440 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2441 | ||
2442 | /** | |
2443 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2444 | * @kcontrol: mixer control | |
ac11a2b3 | 2445 | * @ucontrol: control element information |
db2a4165 FM |
2446 | * |
2447 | * Callback to set the value of a double enumerated mixer. | |
2448 | * | |
2449 | * Returns 0 for success. | |
2450 | */ | |
2451 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2452 | struct snd_ctl_elem_value *ucontrol) | |
2453 | { | |
907fe36a | 2454 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2455 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 | 2456 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2457 | unsigned int val; |
86767b7d | 2458 | unsigned int mask; |
db2a4165 | 2459 | |
29ae2fa5 | 2460 | if (item[0] >= e->items) |
db2a4165 | 2461 | return -EINVAL; |
29ae2fa5 | 2462 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2463 | mask = e->mask << e->shift_l; |
db2a4165 | 2464 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2465 | if (item[1] >= e->items) |
db2a4165 | 2466 | return -EINVAL; |
29ae2fa5 | 2467 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2468 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2469 | } |
2470 | ||
907fe36a | 2471 | return snd_soc_component_update_bits(component, e->reg, mask, val); |
db2a4165 FM |
2472 | } |
2473 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2474 | ||
2e72f8e3 | 2475 | /** |
f227b88f | 2476 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
907fe36a | 2477 | * @component: component |
f227b88f MP |
2478 | * @reg: Register to read |
2479 | * @mask: Mask to use after shifting the register value | |
2480 | * @shift: Right shift of register value | |
2481 | * @sign_bit: Bit that describes if a number is negative or not. | |
907fe36a | 2482 | * @signed_val: Pointer to where the read value should be stored |
2e72f8e3 | 2483 | * |
f227b88f MP |
2484 | * This functions reads a codec register. The register value is shifted right |
2485 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2486 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2487 | * |
907fe36a | 2488 | * Returns 0 on sucess, otherwise an error value |
2e72f8e3 | 2489 | */ |
907fe36a LPC |
2490 | static int snd_soc_read_signed(struct snd_soc_component *component, |
2491 | unsigned int reg, unsigned int mask, unsigned int shift, | |
2492 | unsigned int sign_bit, int *signed_val) | |
2e72f8e3 | 2493 | { |
f227b88f MP |
2494 | int ret; |
2495 | unsigned int val; | |
2e72f8e3 | 2496 | |
907fe36a LPC |
2497 | ret = snd_soc_component_read(component, reg, &val); |
2498 | if (ret < 0) | |
2499 | return ret; | |
2500 | ||
2501 | val = (val >> shift) & mask; | |
2e72f8e3 | 2502 | |
907fe36a LPC |
2503 | if (!sign_bit) { |
2504 | *signed_val = val; | |
2505 | return 0; | |
2506 | } | |
2e72f8e3 | 2507 | |
f227b88f | 2508 | /* non-negative number */ |
907fe36a LPC |
2509 | if (!(val & BIT(sign_bit))) { |
2510 | *signed_val = val; | |
2511 | return 0; | |
2512 | } | |
2e72f8e3 | 2513 | |
f227b88f | 2514 | ret = val; |
2e72f8e3 | 2515 | |
f227b88f MP |
2516 | /* |
2517 | * The register most probably does not contain a full-sized int. | |
2518 | * Instead we have an arbitrary number of bits in a signed | |
2519 | * representation which has to be translated into a full-sized int. | |
2520 | * This is done by filling up all bits above the sign-bit. | |
2521 | */ | |
2522 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2523 | ||
907fe36a LPC |
2524 | *signed_val = ret; |
2525 | ||
2526 | return 0; | |
2e72f8e3 | 2527 | } |
2e72f8e3 | 2528 | |
db2a4165 FM |
2529 | /** |
2530 | * snd_soc_info_volsw - single mixer info callback | |
2531 | * @kcontrol: mixer control | |
2532 | * @uinfo: control element information | |
2533 | * | |
e8f5a103 PU |
2534 | * Callback to provide information about a single mixer control, or a double |
2535 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2536 | * |
2537 | * Returns 0 for success. | |
2538 | */ | |
2539 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2540 | struct snd_ctl_elem_info *uinfo) | |
2541 | { | |
4eaa9819 JS |
2542 | struct soc_mixer_control *mc = |
2543 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2544 | int platform_max; |
db2a4165 | 2545 | |
d11bb4a9 PU |
2546 | if (!mc->platform_max) |
2547 | mc->platform_max = mc->max; | |
2548 | platform_max = mc->platform_max; | |
2549 | ||
2550 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2551 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2552 | else | |
2553 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2554 | ||
e8f5a103 | 2555 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2556 | uinfo->value.integer.min = 0; |
f227b88f | 2557 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2558 | return 0; |
2559 | } | |
2560 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2561 | ||
2562 | /** | |
2563 | * snd_soc_get_volsw - single mixer get callback | |
2564 | * @kcontrol: mixer control | |
ac11a2b3 | 2565 | * @ucontrol: control element information |
db2a4165 | 2566 | * |
f7915d99 PU |
2567 | * Callback to get the value of a single mixer control, or a double mixer |
2568 | * control that spans 2 registers. | |
db2a4165 FM |
2569 | * |
2570 | * Returns 0 for success. | |
2571 | */ | |
2572 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2573 | struct snd_ctl_elem_value *ucontrol) | |
2574 | { | |
907fe36a | 2575 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2576 | struct soc_mixer_control *mc = |
2577 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2578 | unsigned int reg = mc->reg; |
f7915d99 | 2579 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2580 | unsigned int shift = mc->shift; |
2581 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2582 | int max = mc->max; |
f227b88f MP |
2583 | int min = mc->min; |
2584 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2585 | unsigned int mask = (1 << fls(max)) - 1; |
2586 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2587 | int val; |
2588 | int ret; | |
db2a4165 | 2589 | |
f227b88f MP |
2590 | if (sign_bit) |
2591 | mask = BIT(sign_bit + 1) - 1; | |
2592 | ||
907fe36a LPC |
2593 | ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val); |
2594 | if (ret) | |
2595 | return ret; | |
2596 | ||
2597 | ucontrol->value.integer.value[0] = val - min; | |
f7915d99 | 2598 | if (invert) |
db2a4165 | 2599 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2600 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2601 | |
2602 | if (snd_soc_volsw_is_stereo(mc)) { | |
2603 | if (reg == reg2) | |
907fe36a LPC |
2604 | ret = snd_soc_read_signed(component, reg, mask, rshift, |
2605 | sign_bit, &val); | |
f7915d99 | 2606 | else |
907fe36a LPC |
2607 | ret = snd_soc_read_signed(component, reg2, mask, shift, |
2608 | sign_bit, &val); | |
2609 | if (ret) | |
2610 | return ret; | |
2611 | ||
2612 | ucontrol->value.integer.value[1] = val - min; | |
f7915d99 | 2613 | if (invert) |
db2a4165 | 2614 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2615 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2616 | } |
2617 | ||
2618 | return 0; | |
2619 | } | |
2620 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2621 | ||
2622 | /** | |
2623 | * snd_soc_put_volsw - single mixer put callback | |
2624 | * @kcontrol: mixer control | |
ac11a2b3 | 2625 | * @ucontrol: control element information |
db2a4165 | 2626 | * |
974815ba PU |
2627 | * Callback to set the value of a single mixer control, or a double mixer |
2628 | * control that spans 2 registers. | |
db2a4165 FM |
2629 | * |
2630 | * Returns 0 for success. | |
2631 | */ | |
2632 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2633 | struct snd_ctl_elem_value *ucontrol) | |
2634 | { | |
907fe36a | 2635 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2636 | struct soc_mixer_control *mc = |
2637 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2638 | unsigned int reg = mc->reg; |
974815ba | 2639 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2640 | unsigned int shift = mc->shift; |
2641 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2642 | int max = mc->max; |
f227b88f MP |
2643 | int min = mc->min; |
2644 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2645 | unsigned int mask = (1 << fls(max)) - 1; |
2646 | unsigned int invert = mc->invert; | |
974815ba | 2647 | int err; |
939d9f16 | 2648 | bool type_2r = false; |
974815ba PU |
2649 | unsigned int val2 = 0; |
2650 | unsigned int val, val_mask; | |
db2a4165 | 2651 | |
f227b88f MP |
2652 | if (sign_bit) |
2653 | mask = BIT(sign_bit + 1) - 1; | |
2654 | ||
2655 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2656 | if (invert) |
a7a4ac86 | 2657 | val = max - val; |
db2a4165 FM |
2658 | val_mask = mask << shift; |
2659 | val = val << shift; | |
974815ba | 2660 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2661 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2662 | if (invert) |
a7a4ac86 | 2663 | val2 = max - val2; |
974815ba PU |
2664 | if (reg == reg2) { |
2665 | val_mask |= mask << rshift; | |
2666 | val |= val2 << rshift; | |
2667 | } else { | |
2668 | val2 = val2 << shift; | |
939d9f16 | 2669 | type_2r = true; |
974815ba | 2670 | } |
db2a4165 | 2671 | } |
907fe36a | 2672 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
3ff3f64b | 2673 | if (err < 0) |
db2a4165 FM |
2674 | return err; |
2675 | ||
974815ba | 2676 | if (type_2r) |
907fe36a LPC |
2677 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2678 | val2); | |
974815ba | 2679 | |
db2a4165 FM |
2680 | return err; |
2681 | } | |
974815ba | 2682 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2683 | |
1d99f243 BA |
2684 | /** |
2685 | * snd_soc_get_volsw_sx - single mixer get callback | |
2686 | * @kcontrol: mixer control | |
2687 | * @ucontrol: control element information | |
2688 | * | |
2689 | * Callback to get the value of a single mixer control, or a double mixer | |
2690 | * control that spans 2 registers. | |
2691 | * | |
2692 | * Returns 0 for success. | |
2693 | */ | |
2694 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2695 | struct snd_ctl_elem_value *ucontrol) | |
2696 | { | |
907fe36a | 2697 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2698 | struct soc_mixer_control *mc = |
2699 | (struct soc_mixer_control *)kcontrol->private_value; | |
1d99f243 BA |
2700 | unsigned int reg = mc->reg; |
2701 | unsigned int reg2 = mc->rreg; | |
2702 | unsigned int shift = mc->shift; | |
2703 | unsigned int rshift = mc->rshift; | |
2704 | int max = mc->max; | |
2705 | int min = mc->min; | |
2706 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
907fe36a LPC |
2707 | unsigned int val; |
2708 | int ret; | |
1d99f243 | 2709 | |
907fe36a LPC |
2710 | ret = snd_soc_component_read(component, reg, &val); |
2711 | if (ret < 0) | |
2712 | return ret; | |
1d99f243 | 2713 | |
907fe36a LPC |
2714 | ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask; |
2715 | ||
2716 | if (snd_soc_volsw_is_stereo(mc)) { | |
2717 | ret = snd_soc_component_read(component, reg2, &val); | |
2718 | if (ret < 0) | |
2719 | return ret; | |
2720 | ||
2721 | val = ((val >> rshift) - min) & mask; | |
2722 | ucontrol->value.integer.value[1] = val; | |
2723 | } | |
1d99f243 BA |
2724 | |
2725 | return 0; | |
2726 | } | |
2727 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2728 | ||
2729 | /** | |
2730 | * snd_soc_put_volsw_sx - double mixer set callback | |
2731 | * @kcontrol: mixer control | |
2732 | * @uinfo: control element information | |
2733 | * | |
2734 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2735 | * | |
2736 | * Returns 0 for success. | |
2737 | */ | |
2738 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2739 | struct snd_ctl_elem_value *ucontrol) | |
2740 | { | |
907fe36a | 2741 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2742 | struct soc_mixer_control *mc = |
2743 | (struct soc_mixer_control *)kcontrol->private_value; | |
2744 | ||
2745 | unsigned int reg = mc->reg; | |
2746 | unsigned int reg2 = mc->rreg; | |
2747 | unsigned int shift = mc->shift; | |
2748 | unsigned int rshift = mc->rshift; | |
2749 | int max = mc->max; | |
2750 | int min = mc->min; | |
2751 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2752 | int err = 0; |
1a39019e | 2753 | unsigned int val, val_mask, val2 = 0; |
1d99f243 BA |
2754 | |
2755 | val_mask = mask << shift; | |
2756 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2757 | val = val << shift; | |
2758 | ||
907fe36a | 2759 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
d055852e MN |
2760 | if (err < 0) |
2761 | return err; | |
1d99f243 BA |
2762 | |
2763 | if (snd_soc_volsw_is_stereo(mc)) { | |
2764 | val_mask = mask << rshift; | |
2765 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2766 | val2 = val2 << rshift; | |
2767 | ||
907fe36a LPC |
2768 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2769 | val2); | |
1d99f243 | 2770 | } |
907fe36a | 2771 | return err; |
1d99f243 BA |
2772 | } |
2773 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2774 | ||
e13ac2e9 MB |
2775 | /** |
2776 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2777 | * @kcontrol: mixer control | |
2778 | * @uinfo: control element information | |
2779 | * | |
2780 | * Callback to provide information about a signed mixer control. | |
2781 | * | |
2782 | * Returns 0 for success. | |
2783 | */ | |
2784 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2785 | struct snd_ctl_elem_info *uinfo) | |
2786 | { | |
4eaa9819 JS |
2787 | struct soc_mixer_control *mc = |
2788 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2789 | int platform_max; |
4eaa9819 | 2790 | int min = mc->min; |
e13ac2e9 | 2791 | |
d11bb4a9 PU |
2792 | if (!mc->platform_max) |
2793 | mc->platform_max = mc->max; | |
2794 | platform_max = mc->platform_max; | |
2795 | ||
e13ac2e9 MB |
2796 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2797 | uinfo->count = 2; | |
2798 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2799 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2800 | return 0; |
2801 | } | |
2802 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2803 | ||
2804 | /** | |
2805 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2806 | * @kcontrol: mixer control | |
ac11a2b3 | 2807 | * @ucontrol: control element information |
e13ac2e9 MB |
2808 | * |
2809 | * Callback to get the value of a signed mixer control. | |
2810 | * | |
2811 | * Returns 0 for success. | |
2812 | */ | |
2813 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2814 | struct snd_ctl_elem_value *ucontrol) | |
2815 | { | |
4eaa9819 JS |
2816 | struct soc_mixer_control *mc = |
2817 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2818 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2819 | unsigned int reg = mc->reg; |
907fe36a | 2820 | unsigned int val; |
4eaa9819 | 2821 | int min = mc->min; |
907fe36a LPC |
2822 | int ret; |
2823 | ||
2824 | ret = snd_soc_component_read(component, reg, &val); | |
2825 | if (ret) | |
2826 | return ret; | |
e13ac2e9 MB |
2827 | |
2828 | ucontrol->value.integer.value[0] = | |
2829 | ((signed char)(val & 0xff))-min; | |
2830 | ucontrol->value.integer.value[1] = | |
2831 | ((signed char)((val >> 8) & 0xff))-min; | |
2832 | return 0; | |
2833 | } | |
2834 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2835 | ||
2836 | /** | |
2837 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2838 | * @kcontrol: mixer control | |
ac11a2b3 | 2839 | * @ucontrol: control element information |
e13ac2e9 MB |
2840 | * |
2841 | * Callback to set the value of a signed mixer control. | |
2842 | * | |
2843 | * Returns 0 for success. | |
2844 | */ | |
2845 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2846 | struct snd_ctl_elem_value *ucontrol) | |
2847 | { | |
4eaa9819 JS |
2848 | struct soc_mixer_control *mc = |
2849 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2850 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2851 | unsigned int reg = mc->reg; |
4eaa9819 | 2852 | int min = mc->min; |
46f5822f | 2853 | unsigned int val; |
e13ac2e9 MB |
2854 | |
2855 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2856 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2857 | ||
907fe36a | 2858 | return snd_soc_component_update_bits(component, reg, 0xffff, val); |
e13ac2e9 MB |
2859 | } |
2860 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2861 | ||
6c9d8cf6 AT |
2862 | /** |
2863 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2864 | * @kcontrol: mixer control | |
2865 | * @uinfo: control element information | |
2866 | * | |
2867 | * Callback to provide information, within a range, about a single | |
2868 | * mixer control. | |
2869 | * | |
2870 | * returns 0 for success. | |
2871 | */ | |
2872 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2873 | struct snd_ctl_elem_info *uinfo) | |
2874 | { | |
2875 | struct soc_mixer_control *mc = | |
2876 | (struct soc_mixer_control *)kcontrol->private_value; | |
2877 | int platform_max; | |
2878 | int min = mc->min; | |
2879 | ||
2880 | if (!mc->platform_max) | |
2881 | mc->platform_max = mc->max; | |
2882 | platform_max = mc->platform_max; | |
2883 | ||
2884 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2885 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2886 | uinfo->value.integer.min = 0; |
2887 | uinfo->value.integer.max = platform_max - min; | |
2888 | ||
2889 | return 0; | |
2890 | } | |
2891 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2892 | ||
2893 | /** | |
2894 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2895 | * @kcontrol: mixer control | |
2896 | * @ucontrol: control element information | |
2897 | * | |
2898 | * Callback to set the value, within a range, for a single mixer control. | |
2899 | * | |
2900 | * Returns 0 for success. | |
2901 | */ | |
2902 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2903 | struct snd_ctl_elem_value *ucontrol) | |
2904 | { | |
2905 | struct soc_mixer_control *mc = | |
2906 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2907 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 | 2908 | unsigned int reg = mc->reg; |
9bde4f0b | 2909 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2910 | unsigned int shift = mc->shift; |
2911 | int min = mc->min; | |
2912 | int max = mc->max; | |
2913 | unsigned int mask = (1 << fls(max)) - 1; | |
2914 | unsigned int invert = mc->invert; | |
2915 | unsigned int val, val_mask; | |
9bde4f0b | 2916 | int ret; |
6c9d8cf6 AT |
2917 | |
2918 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
2919 | if (invert) | |
2920 | val = max - val; | |
2921 | val_mask = mask << shift; | |
2922 | val = val << shift; | |
2923 | ||
907fe36a | 2924 | ret = snd_soc_component_update_bits(component, reg, val_mask, val); |
0eaa6cca | 2925 | if (ret < 0) |
9bde4f0b MB |
2926 | return ret; |
2927 | ||
2928 | if (snd_soc_volsw_is_stereo(mc)) { | |
2929 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
2930 | if (invert) | |
2931 | val = max - val; | |
2932 | val_mask = mask << shift; | |
2933 | val = val << shift; | |
2934 | ||
907fe36a LPC |
2935 | ret = snd_soc_component_update_bits(component, rreg, val_mask, |
2936 | val); | |
9bde4f0b MB |
2937 | } |
2938 | ||
2939 | return ret; | |
6c9d8cf6 AT |
2940 | } |
2941 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
2942 | ||
2943 | /** | |
2944 | * snd_soc_get_volsw_range - single mixer get callback with range | |
2945 | * @kcontrol: mixer control | |
2946 | * @ucontrol: control element information | |
2947 | * | |
2948 | * Callback to get the value, within a range, of a single mixer control. | |
2949 | * | |
2950 | * Returns 0 for success. | |
2951 | */ | |
2952 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
2953 | struct snd_ctl_elem_value *ucontrol) | |
2954 | { | |
907fe36a | 2955 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 AT |
2956 | struct soc_mixer_control *mc = |
2957 | (struct soc_mixer_control *)kcontrol->private_value; | |
6c9d8cf6 | 2958 | unsigned int reg = mc->reg; |
9bde4f0b | 2959 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
2960 | unsigned int shift = mc->shift; |
2961 | int min = mc->min; | |
2962 | int max = mc->max; | |
2963 | unsigned int mask = (1 << fls(max)) - 1; | |
2964 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2965 | unsigned int val; |
2966 | int ret; | |
6c9d8cf6 | 2967 | |
907fe36a LPC |
2968 | ret = snd_soc_component_read(component, reg, &val); |
2969 | if (ret) | |
2970 | return ret; | |
2971 | ||
2972 | ucontrol->value.integer.value[0] = (val >> shift) & mask; | |
6c9d8cf6 AT |
2973 | if (invert) |
2974 | ucontrol->value.integer.value[0] = | |
2975 | max - ucontrol->value.integer.value[0]; | |
2976 | ucontrol->value.integer.value[0] = | |
2977 | ucontrol->value.integer.value[0] - min; | |
2978 | ||
9bde4f0b | 2979 | if (snd_soc_volsw_is_stereo(mc)) { |
907fe36a LPC |
2980 | ret = snd_soc_component_read(component, rreg, &val); |
2981 | if (ret) | |
2982 | return ret; | |
2983 | ||
2984 | ucontrol->value.integer.value[1] = (val >> shift) & mask; | |
9bde4f0b MB |
2985 | if (invert) |
2986 | ucontrol->value.integer.value[1] = | |
2987 | max - ucontrol->value.integer.value[1]; | |
2988 | ucontrol->value.integer.value[1] = | |
2989 | ucontrol->value.integer.value[1] - min; | |
2990 | } | |
2991 | ||
6c9d8cf6 AT |
2992 | return 0; |
2993 | } | |
2994 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
2995 | ||
637d3847 PU |
2996 | /** |
2997 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
2998 | * | |
2999 | * @codec: where to look for the control | |
3000 | * @name: Name of the control | |
3001 | * @max: new maximum limit | |
3002 | * | |
3003 | * Return 0 for success, else error. | |
3004 | */ | |
3005 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3006 | const char *name, int max) | |
3007 | { | |
00200107 | 3008 | struct snd_card *card = codec->component.card->snd_card; |
637d3847 PU |
3009 | struct snd_kcontrol *kctl; |
3010 | struct soc_mixer_control *mc; | |
3011 | int found = 0; | |
3012 | int ret = -EINVAL; | |
3013 | ||
3014 | /* Sanity check for name and max */ | |
3015 | if (unlikely(!name || max <= 0)) | |
3016 | return -EINVAL; | |
3017 | ||
3018 | list_for_each_entry(kctl, &card->controls, list) { | |
3019 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3020 | found = 1; | |
3021 | break; | |
3022 | } | |
3023 | } | |
3024 | if (found) { | |
3025 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3026 | if (max <= mc->max) { | |
d11bb4a9 | 3027 | mc->platform_max = max; |
637d3847 PU |
3028 | ret = 0; |
3029 | } | |
3030 | } | |
3031 | return ret; | |
3032 | } | |
3033 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3034 | ||
71d08516 MB |
3035 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3036 | struct snd_ctl_elem_info *uinfo) | |
3037 | { | |
907fe36a | 3038 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 MB |
3039 | struct soc_bytes *params = (void *)kcontrol->private_value; |
3040 | ||
3041 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
907fe36a | 3042 | uinfo->count = params->num_regs * component->val_bytes; |
71d08516 MB |
3043 | |
3044 | return 0; | |
3045 | } | |
3046 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3047 | ||
3048 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3049 | struct snd_ctl_elem_value *ucontrol) | |
3050 | { | |
907fe36a | 3051 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3052 | struct soc_bytes *params = (void *)kcontrol->private_value; |
71d08516 MB |
3053 | int ret; |
3054 | ||
907fe36a LPC |
3055 | if (component->regmap) |
3056 | ret = regmap_raw_read(component->regmap, params->base, | |
71d08516 | 3057 | ucontrol->value.bytes.data, |
907fe36a | 3058 | params->num_regs * component->val_bytes); |
71d08516 MB |
3059 | else |
3060 | ret = -EINVAL; | |
3061 | ||
f831b055 MB |
3062 | /* Hide any masked bytes to ensure consistent data reporting */ |
3063 | if (ret == 0 && params->mask) { | |
907fe36a | 3064 | switch (component->val_bytes) { |
f831b055 MB |
3065 | case 1: |
3066 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3067 | break; | |
3068 | case 2: | |
3069 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3070 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
3071 | break; |
3072 | case 4: | |
3073 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3074 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
3075 | break; |
3076 | default: | |
3077 | return -EINVAL; | |
3078 | } | |
3079 | } | |
3080 | ||
71d08516 MB |
3081 | return ret; |
3082 | } | |
3083 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3084 | ||
3085 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3086 | struct snd_ctl_elem_value *ucontrol) | |
3087 | { | |
907fe36a | 3088 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3089 | struct soc_bytes *params = (void *)kcontrol->private_value; |
f831b055 | 3090 | int ret, len; |
a1a564ed | 3091 | unsigned int val, mask; |
f831b055 | 3092 | void *data; |
71d08516 | 3093 | |
907fe36a | 3094 | if (!component->regmap) |
f831b055 MB |
3095 | return -EINVAL; |
3096 | ||
907fe36a | 3097 | len = params->num_regs * component->val_bytes; |
f831b055 | 3098 | |
b5a8fe43 MB |
3099 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3100 | if (!data) | |
3101 | return -ENOMEM; | |
3102 | ||
f831b055 MB |
3103 | /* |
3104 | * If we've got a mask then we need to preserve the register | |
3105 | * bits. We shouldn't modify the incoming data so take a | |
3106 | * copy. | |
3107 | */ | |
3108 | if (params->mask) { | |
907fe36a | 3109 | ret = regmap_read(component->regmap, params->base, &val); |
f831b055 | 3110 | if (ret != 0) |
e8b18add | 3111 | goto out; |
f831b055 MB |
3112 | |
3113 | val &= params->mask; | |
3114 | ||
907fe36a | 3115 | switch (component->val_bytes) { |
f831b055 MB |
3116 | case 1: |
3117 | ((u8 *)data)[0] &= ~params->mask; | |
3118 | ((u8 *)data)[0] |= val; | |
3119 | break; | |
3120 | case 2: | |
a1a564ed | 3121 | mask = ~params->mask; |
907fe36a | 3122 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3123 | &mask, &mask); |
3124 | if (ret != 0) | |
3125 | goto out; | |
3126 | ||
3127 | ((u16 *)data)[0] &= mask; | |
3128 | ||
907fe36a | 3129 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3130 | &val, &val); |
3131 | if (ret != 0) | |
3132 | goto out; | |
3133 | ||
3134 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
3135 | break; |
3136 | case 4: | |
a1a564ed | 3137 | mask = ~params->mask; |
907fe36a | 3138 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3139 | &mask, &mask); |
3140 | if (ret != 0) | |
3141 | goto out; | |
3142 | ||
3143 | ((u32 *)data)[0] &= mask; | |
3144 | ||
907fe36a | 3145 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3146 | &val, &val); |
3147 | if (ret != 0) | |
3148 | goto out; | |
3149 | ||
3150 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
3151 | break; |
3152 | default: | |
e8b18add WY |
3153 | ret = -EINVAL; |
3154 | goto out; | |
f831b055 MB |
3155 | } |
3156 | } | |
3157 | ||
907fe36a | 3158 | ret = regmap_raw_write(component->regmap, params->base, |
f831b055 MB |
3159 | data, len); |
3160 | ||
e8b18add | 3161 | out: |
b5a8fe43 | 3162 | kfree(data); |
71d08516 MB |
3163 | |
3164 | return ret; | |
3165 | } | |
3166 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3167 | ||
d9881208 VK |
3168 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
3169 | struct snd_ctl_elem_info *ucontrol) | |
3170 | { | |
3171 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
3172 | ||
3173 | ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3174 | ucontrol->count = params->max; | |
3175 | ||
3176 | return 0; | |
3177 | } | |
3178 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext); | |
3179 | ||
7523a271 OMA |
3180 | int snd_soc_bytes_tlv_callback(struct snd_kcontrol *kcontrol, int op_flag, |
3181 | unsigned int size, unsigned int __user *tlv) | |
3182 | { | |
3183 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
3184 | unsigned int count = size < params->max ? size : params->max; | |
3185 | int ret = -ENXIO; | |
3186 | ||
3187 | switch (op_flag) { | |
3188 | case SNDRV_CTL_TLV_OP_READ: | |
3189 | if (params->get) | |
3190 | ret = params->get(tlv, count); | |
3191 | break; | |
3192 | case SNDRV_CTL_TLV_OP_WRITE: | |
3193 | if (params->put) | |
3194 | ret = params->put(tlv, count); | |
3195 | break; | |
3196 | } | |
3197 | return ret; | |
3198 | } | |
3199 | EXPORT_SYMBOL_GPL(snd_soc_bytes_tlv_callback); | |
3200 | ||
4183eed2 KK |
3201 | /** |
3202 | * snd_soc_info_xr_sx - signed multi register info callback | |
3203 | * @kcontrol: mreg control | |
3204 | * @uinfo: control element information | |
3205 | * | |
3206 | * Callback to provide information of a control that can | |
3207 | * span multiple codec registers which together | |
3208 | * forms a single signed value in a MSB/LSB manner. | |
3209 | * | |
3210 | * Returns 0 for success. | |
3211 | */ | |
3212 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3213 | struct snd_ctl_elem_info *uinfo) | |
3214 | { | |
3215 | struct soc_mreg_control *mc = | |
3216 | (struct soc_mreg_control *)kcontrol->private_value; | |
3217 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3218 | uinfo->count = 1; | |
3219 | uinfo->value.integer.min = mc->min; | |
3220 | uinfo->value.integer.max = mc->max; | |
3221 | ||
3222 | return 0; | |
3223 | } | |
3224 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3225 | ||
3226 | /** | |
3227 | * snd_soc_get_xr_sx - signed multi register get callback | |
3228 | * @kcontrol: mreg control | |
3229 | * @ucontrol: control element information | |
3230 | * | |
3231 | * Callback to get the value of a control that can span | |
3232 | * multiple codec registers which together forms a single | |
3233 | * signed value in a MSB/LSB manner. The control supports | |
3234 | * specifying total no of bits used to allow for bitfields | |
3235 | * across the multiple codec registers. | |
3236 | * | |
3237 | * Returns 0 for success. | |
3238 | */ | |
3239 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3240 | struct snd_ctl_elem_value *ucontrol) | |
3241 | { | |
907fe36a | 3242 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3243 | struct soc_mreg_control *mc = |
3244 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3245 | unsigned int regbase = mc->regbase; |
3246 | unsigned int regcount = mc->regcount; | |
907fe36a | 3247 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3248 | unsigned int regwmask = (1<<regwshift)-1; |
3249 | unsigned int invert = mc->invert; | |
3250 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3251 | long min = mc->min; | |
3252 | long max = mc->max; | |
3253 | long val = 0; | |
907fe36a | 3254 | unsigned int regval; |
4183eed2 | 3255 | unsigned int i; |
907fe36a | 3256 | int ret; |
4183eed2 KK |
3257 | |
3258 | for (i = 0; i < regcount; i++) { | |
907fe36a LPC |
3259 | ret = snd_soc_component_read(component, regbase+i, ®val); |
3260 | if (ret) | |
3261 | return ret; | |
3262 | val |= (regval & regwmask) << (regwshift*(regcount-i-1)); | |
4183eed2 KK |
3263 | } |
3264 | val &= mask; | |
3265 | if (min < 0 && val > max) | |
3266 | val |= ~mask; | |
3267 | if (invert) | |
3268 | val = max - val; | |
3269 | ucontrol->value.integer.value[0] = val; | |
3270 | ||
3271 | return 0; | |
3272 | } | |
3273 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3274 | ||
3275 | /** | |
3276 | * snd_soc_put_xr_sx - signed multi register get callback | |
3277 | * @kcontrol: mreg control | |
3278 | * @ucontrol: control element information | |
3279 | * | |
3280 | * Callback to set the value of a control that can span | |
3281 | * multiple codec registers which together forms a single | |
3282 | * signed value in a MSB/LSB manner. The control supports | |
3283 | * specifying total no of bits used to allow for bitfields | |
3284 | * across the multiple codec registers. | |
3285 | * | |
3286 | * Returns 0 for success. | |
3287 | */ | |
3288 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3289 | struct snd_ctl_elem_value *ucontrol) | |
3290 | { | |
907fe36a | 3291 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3292 | struct soc_mreg_control *mc = |
3293 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3294 | unsigned int regbase = mc->regbase; |
3295 | unsigned int regcount = mc->regcount; | |
907fe36a | 3296 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3297 | unsigned int regwmask = (1<<regwshift)-1; |
3298 | unsigned int invert = mc->invert; | |
3299 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3300 | long max = mc->max; |
3301 | long val = ucontrol->value.integer.value[0]; | |
3302 | unsigned int i, regval, regmask; | |
3303 | int err; | |
3304 | ||
3305 | if (invert) | |
3306 | val = max - val; | |
3307 | val &= mask; | |
3308 | for (i = 0; i < regcount; i++) { | |
3309 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3310 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
907fe36a | 3311 | err = snd_soc_component_update_bits(component, regbase+i, |
4183eed2 KK |
3312 | regmask, regval); |
3313 | if (err < 0) | |
3314 | return err; | |
3315 | } | |
3316 | ||
3317 | return 0; | |
3318 | } | |
3319 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3320 | ||
dd7b10b3 KK |
3321 | /** |
3322 | * snd_soc_get_strobe - strobe get callback | |
3323 | * @kcontrol: mixer control | |
3324 | * @ucontrol: control element information | |
3325 | * | |
3326 | * Callback get the value of a strobe mixer control. | |
3327 | * | |
3328 | * Returns 0 for success. | |
3329 | */ | |
3330 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3331 | struct snd_ctl_elem_value *ucontrol) | |
3332 | { | |
907fe36a | 3333 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3334 | struct soc_mixer_control *mc = |
3335 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3336 | unsigned int reg = mc->reg; |
3337 | unsigned int shift = mc->shift; | |
3338 | unsigned int mask = 1 << shift; | |
3339 | unsigned int invert = mc->invert != 0; | |
907fe36a LPC |
3340 | unsigned int val; |
3341 | int ret; | |
3342 | ||
3343 | ret = snd_soc_component_read(component, reg, &val); | |
3344 | if (ret) | |
3345 | return ret; | |
3346 | ||
3347 | val &= mask; | |
dd7b10b3 KK |
3348 | |
3349 | if (shift != 0 && val != 0) | |
3350 | val = val >> shift; | |
3351 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3352 | ||
3353 | return 0; | |
3354 | } | |
3355 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3356 | ||
3357 | /** | |
3358 | * snd_soc_put_strobe - strobe put callback | |
3359 | * @kcontrol: mixer control | |
3360 | * @ucontrol: control element information | |
3361 | * | |
3362 | * Callback strobe a register bit to high then low (or the inverse) | |
3363 | * in one pass of a single mixer enum control. | |
3364 | * | |
3365 | * Returns 1 for success. | |
3366 | */ | |
3367 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3368 | struct snd_ctl_elem_value *ucontrol) | |
3369 | { | |
907fe36a | 3370 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3371 | struct soc_mixer_control *mc = |
3372 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3373 | unsigned int reg = mc->reg; |
3374 | unsigned int shift = mc->shift; | |
3375 | unsigned int mask = 1 << shift; | |
3376 | unsigned int invert = mc->invert != 0; | |
3377 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3378 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3379 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3380 | int err; | |
3381 | ||
907fe36a | 3382 | err = snd_soc_component_update_bits(component, reg, mask, val1); |
dd7b10b3 KK |
3383 | if (err < 0) |
3384 | return err; | |
3385 | ||
907fe36a | 3386 | return snd_soc_component_update_bits(component, reg, mask, val2); |
dd7b10b3 KK |
3387 | } |
3388 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3389 | ||
8c6529db LG |
3390 | /** |
3391 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3392 | * @dai: DAI | |
3393 | * @clk_id: DAI specific clock ID | |
3394 | * @freq: new clock frequency in Hz | |
3395 | * @dir: new clock direction - input/output. | |
3396 | * | |
3397 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3398 | */ | |
3399 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3400 | unsigned int freq, int dir) | |
3401 | { | |
f0fba2ad LG |
3402 | if (dai->driver && dai->driver->ops->set_sysclk) |
3403 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3404 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3405 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3406 | freq, dir); |
8c6529db | 3407 | else |
1104a9c8 | 3408 | return -ENOTSUPP; |
8c6529db LG |
3409 | } |
3410 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3411 | ||
ec4ee52a MB |
3412 | /** |
3413 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3414 | * @codec: CODEC | |
3415 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3416 | * @source: Source for the clock |
ec4ee52a MB |
3417 | * @freq: new clock frequency in Hz |
3418 | * @dir: new clock direction - input/output. | |
3419 | * | |
3420 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3421 | */ | |
3422 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3423 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3424 | { |
3425 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3426 | return codec->driver->set_sysclk(codec, clk_id, source, |
3427 | freq, dir); | |
ec4ee52a | 3428 | else |
1104a9c8 | 3429 | return -ENOTSUPP; |
ec4ee52a MB |
3430 | } |
3431 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3432 | ||
8c6529db LG |
3433 | /** |
3434 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3435 | * @dai: DAI | |
ac11a2b3 | 3436 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3437 | * @div: new clock divisor. |
3438 | * | |
3439 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3440 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3441 | * and frame clocks as low as possible to save system power. | |
3442 | */ | |
3443 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3444 | int div_id, int div) | |
3445 | { | |
f0fba2ad LG |
3446 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3447 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3448 | else |
3449 | return -EINVAL; | |
3450 | } | |
3451 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3452 | ||
3453 | /** | |
3454 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3455 | * @dai: DAI | |
3456 | * @pll_id: DAI specific PLL ID | |
85488037 | 3457 | * @source: DAI specific source for the PLL |
8c6529db LG |
3458 | * @freq_in: PLL input clock frequency in Hz |
3459 | * @freq_out: requested PLL output clock frequency in Hz | |
3460 | * | |
3461 | * Configures and enables PLL to generate output clock based on input clock. | |
3462 | */ | |
85488037 MB |
3463 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3464 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3465 | { |
f0fba2ad LG |
3466 | if (dai->driver && dai->driver->ops->set_pll) |
3467 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3468 | freq_in, freq_out); |
ec4ee52a MB |
3469 | else if (dai->codec && dai->codec->driver->set_pll) |
3470 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3471 | freq_in, freq_out); | |
8c6529db LG |
3472 | else |
3473 | return -EINVAL; | |
3474 | } | |
3475 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3476 | ||
ec4ee52a MB |
3477 | /* |
3478 | * snd_soc_codec_set_pll - configure codec PLL. | |
3479 | * @codec: CODEC | |
3480 | * @pll_id: DAI specific PLL ID | |
3481 | * @source: DAI specific source for the PLL | |
3482 | * @freq_in: PLL input clock frequency in Hz | |
3483 | * @freq_out: requested PLL output clock frequency in Hz | |
3484 | * | |
3485 | * Configures and enables PLL to generate output clock based on input clock. | |
3486 | */ | |
3487 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3488 | unsigned int freq_in, unsigned int freq_out) | |
3489 | { | |
3490 | if (codec->driver->set_pll) | |
3491 | return codec->driver->set_pll(codec, pll_id, source, | |
3492 | freq_in, freq_out); | |
3493 | else | |
3494 | return -EINVAL; | |
3495 | } | |
3496 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3497 | ||
e54cf76b LG |
3498 | /** |
3499 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3500 | * @dai: DAI | |
3501 | * @ratio Ratio of BCLK to Sample rate. | |
3502 | * | |
3503 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3504 | */ | |
3505 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3506 | { | |
3507 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3508 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3509 | else | |
3510 | return -EINVAL; | |
3511 | } | |
3512 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3513 | ||
8c6529db LG |
3514 | /** |
3515 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3516 | * @dai: DAI | |
8c6529db LG |
3517 | * @fmt: SND_SOC_DAIFMT_ format value. |
3518 | * | |
3519 | * Configures the DAI hardware format and clocking. | |
3520 | */ | |
3521 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3522 | { | |
5e4ba569 | 3523 | if (dai->driver == NULL) |
8c6529db | 3524 | return -EINVAL; |
5e4ba569 SG |
3525 | if (dai->driver->ops->set_fmt == NULL) |
3526 | return -ENOTSUPP; | |
3527 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3528 | } |
3529 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3530 | ||
89c67857 | 3531 | /** |
e5c21514 | 3532 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3533 | * @slots: Number of slots in use. |
3534 | * @tx_mask: bitmask representing active TX slots. | |
3535 | * @rx_mask: bitmask representing active RX slots. | |
3536 | * | |
3537 | * Generates the TDM tx and rx slot default masks for DAI. | |
3538 | */ | |
e5c21514 | 3539 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3540 | unsigned int *tx_mask, |
3541 | unsigned int *rx_mask) | |
3542 | { | |
3543 | if (*tx_mask || *rx_mask) | |
3544 | return 0; | |
3545 | ||
3546 | if (!slots) | |
3547 | return -EINVAL; | |
3548 | ||
3549 | *tx_mask = (1 << slots) - 1; | |
3550 | *rx_mask = (1 << slots) - 1; | |
3551 | ||
3552 | return 0; | |
3553 | } | |
3554 | ||
8c6529db LG |
3555 | /** |
3556 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3557 | * @dai: DAI | |
a5479e38 DR |
3558 | * @tx_mask: bitmask representing active TX slots. |
3559 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3560 | * @slots: Number of slots in use. |
a5479e38 | 3561 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3562 | * |
3563 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3564 | * specific. | |
3565 | */ | |
3566 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3567 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3568 | { |
e5c21514 XL |
3569 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3570 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3571 | &tx_mask, &rx_mask); |
3572 | else | |
e5c21514 | 3573 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3574 | |
88bd870f BC |
3575 | dai->tx_mask = tx_mask; |
3576 | dai->rx_mask = rx_mask; | |
3577 | ||
f0fba2ad LG |
3578 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3579 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3580 | slots, slot_width); |
8c6529db | 3581 | else |
b2cbb6e1 | 3582 | return -ENOTSUPP; |
8c6529db LG |
3583 | } |
3584 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3585 | ||
472df3cb BS |
3586 | /** |
3587 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3588 | * @dai: DAI | |
3589 | * @tx_num: how many TX channels | |
3590 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3591 | * 0~num-1 uses | |
3592 | * @rx_num: how many RX channels | |
3593 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3594 | * 0~num-1 uses | |
3595 | * | |
3596 | * configure the relationship between channel number and TDM slot number. | |
3597 | */ | |
3598 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3599 | unsigned int tx_num, unsigned int *tx_slot, | |
3600 | unsigned int rx_num, unsigned int *rx_slot) | |
3601 | { | |
f0fba2ad LG |
3602 | if (dai->driver && dai->driver->ops->set_channel_map) |
3603 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3604 | rx_num, rx_slot); |
3605 | else | |
3606 | return -EINVAL; | |
3607 | } | |
3608 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3609 | ||
8c6529db LG |
3610 | /** |
3611 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3612 | * @dai: DAI | |
3613 | * @tristate: tristate enable | |
3614 | * | |
3615 | * Tristates the DAI so that others can use it. | |
3616 | */ | |
3617 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3618 | { | |
f0fba2ad LG |
3619 | if (dai->driver && dai->driver->ops->set_tristate) |
3620 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3621 | else |
3622 | return -EINVAL; | |
3623 | } | |
3624 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3625 | ||
3626 | /** | |
3627 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3628 | * @dai: DAI | |
3629 | * @mute: mute enable | |
da18396f | 3630 | * @direction: stream to mute |
8c6529db LG |
3631 | * |
3632 | * Mutes the DAI DAC. | |
3633 | */ | |
da18396f MB |
3634 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3635 | int direction) | |
8c6529db | 3636 | { |
da18396f MB |
3637 | if (!dai->driver) |
3638 | return -ENOTSUPP; | |
3639 | ||
3640 | if (dai->driver->ops->mute_stream) | |
3641 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3642 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3643 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3644 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3645 | else |
04570c62 | 3646 | return -ENOTSUPP; |
8c6529db LG |
3647 | } |
3648 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3649 | ||
88bd870f BC |
3650 | static int snd_soc_init_multicodec(struct snd_soc_card *card, |
3651 | struct snd_soc_dai_link *dai_link) | |
3652 | { | |
3653 | /* Legacy codec/codec_dai link is a single entry in multicodec */ | |
3654 | if (dai_link->codec_name || dai_link->codec_of_node || | |
3655 | dai_link->codec_dai_name) { | |
3656 | dai_link->num_codecs = 1; | |
3657 | ||
3658 | dai_link->codecs = devm_kzalloc(card->dev, | |
3659 | sizeof(struct snd_soc_dai_link_component), | |
3660 | GFP_KERNEL); | |
3661 | if (!dai_link->codecs) | |
3662 | return -ENOMEM; | |
3663 | ||
3664 | dai_link->codecs[0].name = dai_link->codec_name; | |
3665 | dai_link->codecs[0].of_node = dai_link->codec_of_node; | |
3666 | dai_link->codecs[0].dai_name = dai_link->codec_dai_name; | |
3667 | } | |
3668 | ||
3669 | if (!dai_link->codecs) { | |
3670 | dev_err(card->dev, "ASoC: DAI link has no CODECs\n"); | |
3671 | return -EINVAL; | |
3672 | } | |
3673 | ||
3674 | return 0; | |
3675 | } | |
3676 | ||
c5af3a2e MB |
3677 | /** |
3678 | * snd_soc_register_card - Register a card with the ASoC core | |
3679 | * | |
ac11a2b3 | 3680 | * @card: Card to register |
c5af3a2e | 3681 | * |
c5af3a2e | 3682 | */ |
70a7ca34 | 3683 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3684 | { |
88bd870f | 3685 | int i, j, ret; |
f0fba2ad | 3686 | |
c5af3a2e MB |
3687 | if (!card->name || !card->dev) |
3688 | return -EINVAL; | |
3689 | ||
5a504963 SW |
3690 | for (i = 0; i < card->num_links; i++) { |
3691 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3692 | ||
88bd870f BC |
3693 | ret = snd_soc_init_multicodec(card, link); |
3694 | if (ret) { | |
3695 | dev_err(card->dev, "ASoC: failed to init multicodec\n"); | |
3696 | return ret; | |
5a504963 | 3697 | } |
88bd870f BC |
3698 | |
3699 | for (j = 0; j < link->num_codecs; j++) { | |
3700 | /* | |
3701 | * Codec must be specified by 1 of name or OF node, | |
3702 | * not both or neither. | |
3703 | */ | |
3704 | if (!!link->codecs[j].name == | |
3705 | !!link->codecs[j].of_node) { | |
3706 | dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3707 | link->name); | |
3708 | return -EINVAL; | |
3709 | } | |
3710 | /* Codec DAI name must be specified */ | |
3711 | if (!link->codecs[j].dai_name) { | |
3712 | dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", | |
3713 | link->name); | |
3714 | return -EINVAL; | |
3715 | } | |
bc92657a | 3716 | } |
5a504963 SW |
3717 | |
3718 | /* | |
3719 | * Platform may be specified by either name or OF node, but | |
3720 | * can be left unspecified, and a dummy platform will be used. | |
3721 | */ | |
3722 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3723 | dev_err(card->dev, |
3724 | "ASoC: Both platform name/of_node are set for %s\n", | |
3725 | link->name); | |
5a504963 SW |
3726 | return -EINVAL; |
3727 | } | |
3728 | ||
3729 | /* | |
bc92657a SW |
3730 | * CPU device may be specified by either name or OF node, but |
3731 | * can be left unspecified, and will be matched based on DAI | |
3732 | * name alone.. | |
3733 | */ | |
3734 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3735 | dev_err(card->dev, |
3736 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3737 | link->name); | |
bc92657a SW |
3738 | return -EINVAL; |
3739 | } | |
3740 | /* | |
3741 | * At least one of CPU DAI name or CPU device name/node must be | |
3742 | * specified | |
5a504963 | 3743 | */ |
bc92657a SW |
3744 | if (!link->cpu_dai_name && |
3745 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3746 | dev_err(card->dev, |
3747 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3748 | link->name); | |
5a504963 SW |
3749 | return -EINVAL; |
3750 | } | |
3751 | } | |
3752 | ||
ed77cc12 MB |
3753 | dev_set_drvdata(card->dev, card); |
3754 | ||
111c6419 SW |
3755 | snd_soc_initialize_card_lists(card); |
3756 | ||
150dd2f8 VK |
3757 | soc_init_card_debugfs(card); |
3758 | ||
181a6892 MB |
3759 | card->rtd = devm_kzalloc(card->dev, |
3760 | sizeof(struct snd_soc_pcm_runtime) * | |
3761 | (card->num_links + card->num_aux_devs), | |
3762 | GFP_KERNEL); | |
f0fba2ad LG |
3763 | if (card->rtd == NULL) |
3764 | return -ENOMEM; | |
a7dbb603 | 3765 | card->num_rtd = 0; |
2eea392d | 3766 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad | 3767 | |
5f3484ac LPC |
3768 | for (i = 0; i < card->num_links; i++) { |
3769 | card->rtd[i].card = card; | |
f0fba2ad | 3770 | card->rtd[i].dai_link = &card->dai_link[i]; |
88bd870f BC |
3771 | card->rtd[i].codec_dais = devm_kzalloc(card->dev, |
3772 | sizeof(struct snd_soc_dai *) * | |
3773 | (card->rtd[i].dai_link->num_codecs), | |
3774 | GFP_KERNEL); | |
3775 | if (card->rtd[i].codec_dais == NULL) | |
3776 | return -ENOMEM; | |
5f3484ac LPC |
3777 | } |
3778 | ||
3779 | for (i = 0; i < card->num_aux_devs; i++) | |
3780 | card->rtd_aux[i].card = card; | |
f0fba2ad | 3781 | |
db432b41 | 3782 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3783 | card->instantiated = 0; |
f0fba2ad | 3784 | mutex_init(&card->mutex); |
a73fb2df | 3785 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3786 | |
b19e6e7b MB |
3787 | ret = snd_soc_instantiate_card(card); |
3788 | if (ret != 0) | |
3789 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3790 | |
988e8cc4 NC |
3791 | /* deactivate pins to sleep state */ |
3792 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
3793 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
3794 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
3795 | int j; | |
3796 | ||
3797 | for (j = 0; j < rtd->num_codecs; j++) { | |
3798 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
3799 | if (!codec_dai->active) | |
3800 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3801 | } | |
3802 | ||
988e8cc4 NC |
3803 | if (!cpu_dai->active) |
3804 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3805 | } | |
3806 | ||
b19e6e7b | 3807 | return ret; |
c5af3a2e | 3808 | } |
70a7ca34 | 3809 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3810 | |
3811 | /** | |
3812 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3813 | * | |
ac11a2b3 | 3814 | * @card: Card to unregister |
c5af3a2e | 3815 | * |
c5af3a2e | 3816 | */ |
70a7ca34 | 3817 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3818 | { |
b0e26485 VK |
3819 | if (card->instantiated) |
3820 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3821 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3822 | |
3823 | return 0; | |
3824 | } | |
70a7ca34 | 3825 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3826 | |
f0fba2ad LG |
3827 | /* |
3828 | * Simplify DAI link configuration by removing ".-1" from device names | |
3829 | * and sanitizing names. | |
3830 | */ | |
0b9a214a | 3831 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3832 | { |
3833 | char *found, name[NAME_SIZE]; | |
3834 | int id1, id2; | |
3835 | ||
3836 | if (dev_name(dev) == NULL) | |
3837 | return NULL; | |
3838 | ||
58818a77 | 3839 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3840 | |
3841 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3842 | found = strstr(name, dev->driver->name); | |
3843 | if (found) { | |
3844 | /* get ID */ | |
3845 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3846 | ||
3847 | /* discard ID from name if ID == -1 */ | |
3848 | if (*id == -1) | |
3849 | found[strlen(dev->driver->name)] = '\0'; | |
3850 | } | |
3851 | ||
3852 | } else { | |
3853 | /* I2C component devices are named "bus-addr" */ | |
3854 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3855 | char tmp[NAME_SIZE]; | |
3856 | ||
3857 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3858 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3859 | |
3860 | /* sanitize component name for DAI link creation */ | |
3861 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3862 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3863 | } else |
3864 | *id = 0; | |
3865 | } | |
3866 | ||
3867 | return kstrdup(name, GFP_KERNEL); | |
3868 | } | |
3869 | ||
3870 | /* | |
3871 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3872 | * any ".-1" and using the DAI name (instead of device name). | |
3873 | */ | |
3874 | static inline char *fmt_multiple_name(struct device *dev, | |
3875 | struct snd_soc_dai_driver *dai_drv) | |
3876 | { | |
3877 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3878 | dev_err(dev, |
3879 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3880 | dev_name(dev)); | |
f0fba2ad LG |
3881 | return NULL; |
3882 | } | |
3883 | ||
3884 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3885 | } | |
3886 | ||
9115171a | 3887 | /** |
32c9ba54 | 3888 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3889 | * |
32c9ba54 | 3890 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3891 | */ |
32c9ba54 | 3892 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3893 | { |
5c1d5f09 | 3894 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3895 | |
5c1d5f09 | 3896 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3897 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3898 | dai->name); | |
5c1d5f09 | 3899 | list_del(&dai->list); |
32c9ba54 | 3900 | kfree(dai->name); |
f0fba2ad | 3901 | kfree(dai); |
f0fba2ad | 3902 | } |
9115171a | 3903 | } |
9115171a MB |
3904 | |
3905 | /** | |
32c9ba54 | 3906 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 3907 | * |
6106d129 LPC |
3908 | * @component: The component the DAIs are registered for |
3909 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 3910 | * @count: Number of DAIs |
32c9ba54 LPC |
3911 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
3912 | * parent's name. | |
9115171a | 3913 | */ |
6106d129 | 3914 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
3915 | struct snd_soc_dai_driver *dai_drv, size_t count, |
3916 | bool legacy_dai_naming) | |
9115171a | 3917 | { |
6106d129 | 3918 | struct device *dev = component->dev; |
f0fba2ad | 3919 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
3920 | unsigned int i; |
3921 | int ret; | |
f0fba2ad | 3922 | |
f110bfc7 | 3923 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 3924 | |
bb13109d LPC |
3925 | component->dai_drv = dai_drv; |
3926 | component->num_dai = count; | |
3927 | ||
9115171a | 3928 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
3929 | |
3930 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3931 | if (dai == NULL) { |
3932 | ret = -ENOMEM; | |
3933 | goto err; | |
3934 | } | |
f0fba2ad | 3935 | |
32c9ba54 LPC |
3936 | /* |
3937 | * Back in the old days when we still had component-less DAIs, | |
3938 | * instead of having a static name, component-less DAIs would | |
3939 | * inherit the name of the parent device so it is possible to | |
3940 | * register multiple instances of the DAI. We still need to keep | |
3941 | * the same naming style even though those DAIs are not | |
3942 | * component-less anymore. | |
3943 | */ | |
3944 | if (count == 1 && legacy_dai_naming) { | |
3945 | dai->name = fmt_single_name(dev, &dai->id); | |
3946 | } else { | |
3947 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3948 | if (dai_drv[i].id) | |
3949 | dai->id = dai_drv[i].id; | |
3950 | else | |
3951 | dai->id = i; | |
3952 | } | |
f0fba2ad LG |
3953 | if (dai->name == NULL) { |
3954 | kfree(dai); | |
32c9ba54 | 3955 | ret = -ENOMEM; |
9115171a | 3956 | goto err; |
f0fba2ad LG |
3957 | } |
3958 | ||
6106d129 | 3959 | dai->component = component; |
f0fba2ad | 3960 | dai->dev = dev; |
f0fba2ad LG |
3961 | dai->driver = &dai_drv[i]; |
3962 | if (!dai->driver->ops) | |
3963 | dai->driver->ops = &null_dai_ops; | |
3964 | ||
1438c2f6 | 3965 | list_add(&dai->list, &component->dai_list); |
054880fe | 3966 | |
32c9ba54 | 3967 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3968 | } |
3969 | ||
3970 | return 0; | |
3971 | ||
3972 | err: | |
32c9ba54 | 3973 | snd_soc_unregister_dais(component); |
9115171a MB |
3974 | |
3975 | return ret; | |
3976 | } | |
9115171a | 3977 | |
14e8bdeb LPC |
3978 | static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, |
3979 | enum snd_soc_dapm_type type, int subseq) | |
d191bd8d | 3980 | { |
14e8bdeb | 3981 | struct snd_soc_component *component = dapm->component; |
d191bd8d | 3982 | |
14e8bdeb LPC |
3983 | component->driver->seq_notifier(component, type, subseq); |
3984 | } | |
d191bd8d | 3985 | |
14e8bdeb LPC |
3986 | static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, |
3987 | int event) | |
3988 | { | |
3989 | struct snd_soc_component *component = dapm->component; | |
d191bd8d | 3990 | |
14e8bdeb LPC |
3991 | return component->driver->stream_event(component, event); |
3992 | } | |
e2c330b9 | 3993 | |
bb13109d LPC |
3994 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
3995 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 3996 | { |
ce0fc93a LPC |
3997 | struct snd_soc_dapm_context *dapm; |
3998 | ||
bb13109d LPC |
3999 | component->name = fmt_single_name(dev, &component->id); |
4000 | if (!component->name) { | |
4001 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
4002 | return -ENOMEM; |
4003 | } | |
4004 | ||
bb13109d LPC |
4005 | component->dev = dev; |
4006 | component->driver = driver; | |
61aca564 LPC |
4007 | component->probe = component->driver->probe; |
4008 | component->remove = component->driver->remove; | |
d191bd8d | 4009 | |
ce0fc93a LPC |
4010 | if (!component->dapm_ptr) |
4011 | component->dapm_ptr = &component->dapm; | |
4012 | ||
4013 | dapm = component->dapm_ptr; | |
4014 | dapm->dev = dev; | |
4015 | dapm->component = component; | |
4016 | dapm->bias_level = SND_SOC_BIAS_OFF; | |
14e8bdeb LPC |
4017 | if (driver->seq_notifier) |
4018 | dapm->seq_notifier = snd_soc_component_seq_notifier; | |
4019 | if (driver->stream_event) | |
4020 | dapm->stream_event = snd_soc_component_stream_event; | |
d191bd8d | 4021 | |
61aca564 LPC |
4022 | component->controls = driver->controls; |
4023 | component->num_controls = driver->num_controls; | |
4024 | component->dapm_widgets = driver->dapm_widgets; | |
4025 | component->num_dapm_widgets = driver->num_dapm_widgets; | |
4026 | component->dapm_routes = driver->dapm_routes; | |
4027 | component->num_dapm_routes = driver->num_dapm_routes; | |
4028 | ||
bb13109d LPC |
4029 | INIT_LIST_HEAD(&component->dai_list); |
4030 | mutex_init(&component->io_mutex); | |
d191bd8d | 4031 | |
bb13109d LPC |
4032 | return 0; |
4033 | } | |
d191bd8d | 4034 | |
886f5692 LPC |
4035 | static void snd_soc_component_init_regmap(struct snd_soc_component *component) |
4036 | { | |
4037 | if (!component->regmap) | |
4038 | component->regmap = dev_get_regmap(component->dev, NULL); | |
4039 | if (component->regmap) { | |
4040 | int val_bytes = regmap_get_val_bytes(component->regmap); | |
4041 | /* Errors are legitimate for non-integer byte multiples */ | |
4042 | if (val_bytes > 0) | |
4043 | component->val_bytes = val_bytes; | |
4044 | } | |
4045 | } | |
4046 | ||
bb13109d LPC |
4047 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
4048 | { | |
886f5692 LPC |
4049 | if (!component->write && !component->read) |
4050 | snd_soc_component_init_regmap(component); | |
4051 | ||
bb13109d LPC |
4052 | list_add(&component->list, &component_list); |
4053 | } | |
d191bd8d | 4054 | |
bb13109d LPC |
4055 | static void snd_soc_component_add(struct snd_soc_component *component) |
4056 | { | |
d191bd8d | 4057 | mutex_lock(&client_mutex); |
bb13109d | 4058 | snd_soc_component_add_unlocked(component); |
d191bd8d | 4059 | mutex_unlock(&client_mutex); |
bb13109d | 4060 | } |
d191bd8d | 4061 | |
bb13109d LPC |
4062 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
4063 | { | |
4064 | snd_soc_unregister_dais(component); | |
4065 | kfree(component->name); | |
4066 | } | |
d191bd8d | 4067 | |
bb13109d LPC |
4068 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
4069 | { | |
4070 | list_del(&component->list); | |
4071 | } | |
d191bd8d | 4072 | |
bb13109d LPC |
4073 | static void snd_soc_component_del(struct snd_soc_component *component) |
4074 | { | |
4075 | mutex_lock(&client_mutex); | |
4076 | snd_soc_component_del_unlocked(component); | |
4077 | mutex_unlock(&client_mutex); | |
d191bd8d KM |
4078 | } |
4079 | ||
4080 | int snd_soc_register_component(struct device *dev, | |
4081 | const struct snd_soc_component_driver *cmpnt_drv, | |
4082 | struct snd_soc_dai_driver *dai_drv, | |
4083 | int num_dai) | |
4084 | { | |
4085 | struct snd_soc_component *cmpnt; | |
bb13109d | 4086 | int ret; |
d191bd8d | 4087 | |
bb13109d | 4088 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
4089 | if (!cmpnt) { |
4090 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4091 | return -ENOMEM; | |
4092 | } | |
4093 | ||
bb13109d LPC |
4094 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
4095 | if (ret) | |
4096 | goto err_free; | |
4097 | ||
3d59400f | 4098 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 4099 | cmpnt->registered_as_component = true; |
3d59400f | 4100 | |
bb13109d LPC |
4101 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
4102 | if (ret < 0) { | |
4103 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4104 | goto err_cleanup; | |
4105 | } | |
d191bd8d | 4106 | |
bb13109d | 4107 | snd_soc_component_add(cmpnt); |
4da53393 | 4108 | |
bb13109d | 4109 | return 0; |
4da53393 | 4110 | |
bb13109d LPC |
4111 | err_cleanup: |
4112 | snd_soc_component_cleanup(cmpnt); | |
4113 | err_free: | |
4114 | kfree(cmpnt); | |
4115 | return ret; | |
4da53393 | 4116 | } |
bb13109d | 4117 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 4118 | |
d191bd8d KM |
4119 | /** |
4120 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4121 | * | |
4122 | */ | |
4123 | void snd_soc_unregister_component(struct device *dev) | |
4124 | { | |
4125 | struct snd_soc_component *cmpnt; | |
4126 | ||
4127 | list_for_each_entry(cmpnt, &component_list, list) { | |
98e639fb | 4128 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
4129 | goto found; |
4130 | } | |
4131 | return; | |
4132 | ||
4133 | found: | |
bb13109d LPC |
4134 | snd_soc_component_del(cmpnt); |
4135 | snd_soc_component_cleanup(cmpnt); | |
4136 | kfree(cmpnt); | |
d191bd8d KM |
4137 | } |
4138 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 4139 | |
f1d45cc3 LPC |
4140 | static int snd_soc_platform_drv_probe(struct snd_soc_component *component) |
4141 | { | |
4142 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
4143 | ||
4144 | return platform->driver->probe(platform); | |
4145 | } | |
4146 | ||
4147 | static void snd_soc_platform_drv_remove(struct snd_soc_component *component) | |
4148 | { | |
4149 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
4150 | ||
4151 | platform->driver->remove(platform); | |
4152 | } | |
4153 | ||
12a48a8c | 4154 | /** |
71a45cda LPC |
4155 | * snd_soc_add_platform - Add a platform to the ASoC core |
4156 | * @dev: The parent device for the platform | |
4157 | * @platform: The platform to add | |
4158 | * @platform_driver: The driver for the platform | |
12a48a8c | 4159 | */ |
71a45cda | 4160 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4161 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4162 | { |
b37f1d12 LPC |
4163 | int ret; |
4164 | ||
bb13109d LPC |
4165 | ret = snd_soc_component_initialize(&platform->component, |
4166 | &platform_drv->component_driver, dev); | |
4167 | if (ret) | |
4168 | return ret; | |
12a48a8c | 4169 | |
f0fba2ad LG |
4170 | platform->dev = dev; |
4171 | platform->driver = platform_drv; | |
f1d45cc3 LPC |
4172 | if (platform_drv->controls) { |
4173 | platform->component.controls = platform_drv->controls; | |
4174 | platform->component.num_controls = platform_drv->num_controls; | |
4175 | } | |
4176 | if (platform_drv->dapm_widgets) { | |
4177 | platform->component.dapm_widgets = platform_drv->dapm_widgets; | |
4178 | platform->component.num_dapm_widgets = platform_drv->num_dapm_widgets; | |
4179 | platform->component.steal_sibling_dai_widgets = true; | |
4180 | } | |
4181 | if (platform_drv->dapm_routes) { | |
4182 | platform->component.dapm_routes = platform_drv->dapm_routes; | |
4183 | platform->component.num_dapm_routes = platform_drv->num_dapm_routes; | |
4184 | } | |
4185 | ||
4186 | if (platform_drv->probe) | |
4187 | platform->component.probe = snd_soc_platform_drv_probe; | |
4188 | if (platform_drv->remove) | |
4189 | platform->component.remove = snd_soc_platform_drv_remove; | |
12a48a8c | 4190 | |
81c7cfd1 LPC |
4191 | #ifdef CONFIG_DEBUG_FS |
4192 | platform->component.debugfs_prefix = "platform"; | |
4193 | #endif | |
4194 | ||
12a48a8c | 4195 | mutex_lock(&client_mutex); |
bb13109d | 4196 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
4197 | list_add(&platform->list, &platform_list); |
4198 | mutex_unlock(&client_mutex); | |
4199 | ||
f4333203 LPC |
4200 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
4201 | platform->component.name); | |
12a48a8c MB |
4202 | |
4203 | return 0; | |
4204 | } | |
71a45cda | 4205 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4206 | |
4207 | /** | |
71a45cda | 4208 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4209 | * |
71a45cda | 4210 | * @platform: platform to register |
12a48a8c | 4211 | */ |
71a45cda LPC |
4212 | int snd_soc_register_platform(struct device *dev, |
4213 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4214 | { |
f0fba2ad | 4215 | struct snd_soc_platform *platform; |
71a45cda | 4216 | int ret; |
f0fba2ad | 4217 | |
71a45cda | 4218 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4219 | |
71a45cda LPC |
4220 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4221 | if (platform == NULL) | |
4222 | return -ENOMEM; | |
4223 | ||
4224 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4225 | if (ret) | |
4226 | kfree(platform); | |
4227 | ||
4228 | return ret; | |
4229 | } | |
4230 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4231 | ||
4232 | /** | |
4233 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4234 | * @platform: the platform to remove | |
4235 | */ | |
4236 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4237 | { | |
b37f1d12 | 4238 | |
12a48a8c MB |
4239 | mutex_lock(&client_mutex); |
4240 | list_del(&platform->list); | |
bb13109d | 4241 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
4242 | mutex_unlock(&client_mutex); |
4243 | ||
bb13109d LPC |
4244 | snd_soc_component_cleanup(&platform->component); |
4245 | ||
71a45cda | 4246 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 4247 | platform->component.name); |
71a45cda LPC |
4248 | } |
4249 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4250 | ||
4251 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4252 | { | |
4253 | struct snd_soc_platform *platform; | |
4254 | ||
4255 | list_for_each_entry(platform, &platform_list, list) { | |
4256 | if (dev == platform->dev) | |
4257 | return platform; | |
4258 | } | |
4259 | ||
4260 | return NULL; | |
4261 | } | |
4262 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4263 | ||
4264 | /** | |
4265 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4266 | * | |
4267 | * @platform: platform to unregister | |
4268 | */ | |
4269 | void snd_soc_unregister_platform(struct device *dev) | |
4270 | { | |
4271 | struct snd_soc_platform *platform; | |
4272 | ||
4273 | platform = snd_soc_lookup_platform(dev); | |
4274 | if (!platform) | |
4275 | return; | |
4276 | ||
4277 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4278 | kfree(platform); |
12a48a8c MB |
4279 | } |
4280 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4281 | ||
151ab22c MB |
4282 | static u64 codec_format_map[] = { |
4283 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4284 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4285 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4286 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4287 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4288 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4289 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4290 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4291 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4292 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4293 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4294 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4295 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4296 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4297 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4298 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4299 | }; | |
4300 | ||
4301 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4302 | * the endianness of the data but we're using the CPU format | |
4303 | * definitions which do need to include endianness so we ensure that | |
4304 | * codec DAIs always have both big and little endian variants set. | |
4305 | */ | |
4306 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4307 | { | |
4308 | int i; | |
4309 | ||
4310 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4311 | if (stream->formats & codec_format_map[i]) | |
4312 | stream->formats |= codec_format_map[i]; | |
4313 | } | |
4314 | ||
f1d45cc3 LPC |
4315 | static int snd_soc_codec_drv_probe(struct snd_soc_component *component) |
4316 | { | |
4317 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4318 | ||
4319 | return codec->driver->probe(codec); | |
4320 | } | |
4321 | ||
4322 | static void snd_soc_codec_drv_remove(struct snd_soc_component *component) | |
4323 | { | |
4324 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4325 | ||
4326 | codec->driver->remove(codec); | |
4327 | } | |
4328 | ||
e2c330b9 LPC |
4329 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
4330 | unsigned int reg, unsigned int val) | |
4331 | { | |
4332 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4333 | ||
4334 | return codec->driver->write(codec, reg, val); | |
4335 | } | |
4336 | ||
4337 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
4338 | unsigned int reg, unsigned int *val) | |
4339 | { | |
4340 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4341 | ||
4342 | *val = codec->driver->read(codec, reg); | |
4343 | ||
4344 | return 0; | |
4345 | } | |
4346 | ||
68f831c2 LPC |
4347 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
4348 | enum snd_soc_bias_level level) | |
4349 | { | |
4350 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
4351 | ||
4352 | return codec->driver->set_bias_level(codec, level); | |
4353 | } | |
4354 | ||
0d0cf00a MB |
4355 | /** |
4356 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4357 | * | |
ac11a2b3 | 4358 | * @codec: codec to register |
0d0cf00a | 4359 | */ |
f0fba2ad | 4360 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4361 | const struct snd_soc_codec_driver *codec_drv, |
4362 | struct snd_soc_dai_driver *dai_drv, | |
4363 | int num_dai) | |
0d0cf00a | 4364 | { |
f0fba2ad | 4365 | struct snd_soc_codec *codec; |
bb13109d | 4366 | struct snd_soc_dai *dai; |
f0fba2ad | 4367 | int ret, i; |
151ab22c | 4368 | |
f0fba2ad LG |
4369 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4370 | ||
4371 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4372 | if (codec == NULL) | |
4373 | return -ENOMEM; | |
0d0cf00a | 4374 | |
ce0fc93a | 4375 | codec->component.dapm_ptr = &codec->dapm; |
f1d45cc3 | 4376 | codec->component.codec = codec; |
ce0fc93a | 4377 | |
bb13109d LPC |
4378 | ret = snd_soc_component_initialize(&codec->component, |
4379 | &codec_drv->component_driver, dev); | |
4380 | if (ret) | |
4381 | goto err_free; | |
f0fba2ad | 4382 | |
f1d45cc3 LPC |
4383 | if (codec_drv->controls) { |
4384 | codec->component.controls = codec_drv->controls; | |
4385 | codec->component.num_controls = codec_drv->num_controls; | |
4386 | } | |
4387 | if (codec_drv->dapm_widgets) { | |
4388 | codec->component.dapm_widgets = codec_drv->dapm_widgets; | |
4389 | codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets; | |
4390 | } | |
4391 | if (codec_drv->dapm_routes) { | |
4392 | codec->component.dapm_routes = codec_drv->dapm_routes; | |
4393 | codec->component.num_dapm_routes = codec_drv->num_dapm_routes; | |
4394 | } | |
4395 | ||
4396 | if (codec_drv->probe) | |
4397 | codec->component.probe = snd_soc_codec_drv_probe; | |
4398 | if (codec_drv->remove) | |
4399 | codec->component.remove = snd_soc_codec_drv_remove; | |
e2c330b9 LPC |
4400 | if (codec_drv->write) |
4401 | codec->component.write = snd_soc_codec_drv_write; | |
4402 | if (codec_drv->read) | |
4403 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 4404 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc | 4405 | codec->dapm.codec = codec; |
14e8bdeb LPC |
4406 | if (codec_drv->seq_notifier) |
4407 | codec->dapm.seq_notifier = codec_drv->seq_notifier; | |
68f831c2 LPC |
4408 | if (codec_drv->set_bias_level) |
4409 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
4410 | codec->dev = dev; |
4411 | codec->driver = codec_drv; | |
e2c330b9 | 4412 | codec->component.val_bytes = codec_drv->reg_word_size; |
7a30a3db | 4413 | mutex_init(&codec->mutex); |
ce6120cc | 4414 | |
81c7cfd1 LPC |
4415 | #ifdef CONFIG_DEBUG_FS |
4416 | codec->component.init_debugfs = soc_init_codec_debugfs; | |
4417 | codec->component.debugfs_prefix = "codec"; | |
4418 | #endif | |
4419 | ||
886f5692 LPC |
4420 | if (codec_drv->get_regmap) |
4421 | codec->component.regmap = codec_drv->get_regmap(dev); | |
a39f75f7 | 4422 | |
f0fba2ad LG |
4423 | for (i = 0; i < num_dai; i++) { |
4424 | fixup_codec_formats(&dai_drv[i].playback); | |
4425 | fixup_codec_formats(&dai_drv[i].capture); | |
4426 | } | |
4427 | ||
bb13109d | 4428 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
5acd7dfb | 4429 | if (ret < 0) { |
bb13109d LPC |
4430 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); |
4431 | goto err_cleanup; | |
26b01ccd | 4432 | } |
f0fba2ad | 4433 | |
bb13109d LPC |
4434 | list_for_each_entry(dai, &codec->component.dai_list, list) |
4435 | dai->codec = codec; | |
f0fba2ad | 4436 | |
e1328a83 | 4437 | mutex_lock(&client_mutex); |
bb13109d | 4438 | snd_soc_component_add_unlocked(&codec->component); |
054880fe | 4439 | list_add(&codec->list, &codec_list); |
e1328a83 KM |
4440 | mutex_unlock(&client_mutex); |
4441 | ||
f4333203 LPC |
4442 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
4443 | codec->component.name); | |
0d0cf00a | 4444 | return 0; |
f0fba2ad | 4445 | |
bb13109d LPC |
4446 | err_cleanup: |
4447 | snd_soc_component_cleanup(&codec->component); | |
4448 | err_free: | |
f0fba2ad LG |
4449 | kfree(codec); |
4450 | return ret; | |
0d0cf00a MB |
4451 | } |
4452 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4453 | ||
4454 | /** | |
4455 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4456 | * | |
ac11a2b3 | 4457 | * @codec: codec to unregister |
0d0cf00a | 4458 | */ |
f0fba2ad | 4459 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4460 | { |
f0fba2ad | 4461 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4462 | |
4463 | list_for_each_entry(codec, &codec_list, list) { | |
4464 | if (dev == codec->dev) | |
4465 | goto found; | |
4466 | } | |
4467 | return; | |
4468 | ||
4469 | found: | |
f0fba2ad | 4470 | |
0d0cf00a MB |
4471 | mutex_lock(&client_mutex); |
4472 | list_del(&codec->list); | |
bb13109d | 4473 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
4474 | mutex_unlock(&client_mutex); |
4475 | ||
f4333203 LPC |
4476 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
4477 | codec->component.name); | |
f0fba2ad | 4478 | |
bb13109d | 4479 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 4480 | snd_soc_cache_exit(codec); |
f0fba2ad | 4481 | kfree(codec); |
0d0cf00a MB |
4482 | } |
4483 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4484 | ||
bec4fa05 SW |
4485 | /* Retrieve a card's name from device tree */ |
4486 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4487 | const char *propname) | |
4488 | { | |
7e07e7c0 | 4489 | struct device_node *np; |
bec4fa05 SW |
4490 | int ret; |
4491 | ||
7e07e7c0 TB |
4492 | if (!card->dev) { |
4493 | pr_err("card->dev is not set before calling %s\n", __func__); | |
4494 | return -EINVAL; | |
4495 | } | |
4496 | ||
4497 | np = card->dev->of_node; | |
4498 | ||
bec4fa05 SW |
4499 | ret = of_property_read_string_index(np, propname, 0, &card->name); |
4500 | /* | |
4501 | * EINVAL means the property does not exist. This is fine providing | |
4502 | * card->name was previously set, which is checked later in | |
4503 | * snd_soc_register_card. | |
4504 | */ | |
4505 | if (ret < 0 && ret != -EINVAL) { | |
4506 | dev_err(card->dev, | |
f110bfc7 | 4507 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4508 | propname, ret); |
4509 | return ret; | |
4510 | } | |
4511 | ||
4512 | return 0; | |
4513 | } | |
4514 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4515 | ||
9a6d4860 XL |
4516 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4517 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4518 | SND_SOC_DAPM_LINE("Line", NULL), | |
4519 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4520 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4521 | }; | |
4522 | ||
4523 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4524 | const char *propname) | |
4525 | { | |
4526 | struct device_node *np = card->dev->of_node; | |
4527 | struct snd_soc_dapm_widget *widgets; | |
4528 | const char *template, *wname; | |
4529 | int i, j, num_widgets, ret; | |
4530 | ||
4531 | num_widgets = of_property_count_strings(np, propname); | |
4532 | if (num_widgets < 0) { | |
4533 | dev_err(card->dev, | |
4534 | "ASoC: Property '%s' does not exist\n", propname); | |
4535 | return -EINVAL; | |
4536 | } | |
4537 | if (num_widgets & 1) { | |
4538 | dev_err(card->dev, | |
4539 | "ASoC: Property '%s' length is not even\n", propname); | |
4540 | return -EINVAL; | |
4541 | } | |
4542 | ||
4543 | num_widgets /= 2; | |
4544 | if (!num_widgets) { | |
4545 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4546 | propname); | |
4547 | return -EINVAL; | |
4548 | } | |
4549 | ||
4550 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4551 | GFP_KERNEL); | |
4552 | if (!widgets) { | |
4553 | dev_err(card->dev, | |
4554 | "ASoC: Could not allocate memory for widgets\n"); | |
4555 | return -ENOMEM; | |
4556 | } | |
4557 | ||
4558 | for (i = 0; i < num_widgets; i++) { | |
4559 | ret = of_property_read_string_index(np, propname, | |
4560 | 2 * i, &template); | |
4561 | if (ret) { | |
4562 | dev_err(card->dev, | |
4563 | "ASoC: Property '%s' index %d read error:%d\n", | |
4564 | propname, 2 * i, ret); | |
4565 | return -EINVAL; | |
4566 | } | |
4567 | ||
4568 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4569 | if (!strncmp(template, simple_widgets[j].name, | |
4570 | strlen(simple_widgets[j].name))) { | |
4571 | widgets[i] = simple_widgets[j]; | |
4572 | break; | |
4573 | } | |
4574 | } | |
4575 | ||
4576 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4577 | dev_err(card->dev, | |
4578 | "ASoC: DAPM widget '%s' is not supported\n", | |
4579 | template); | |
4580 | return -EINVAL; | |
4581 | } | |
4582 | ||
4583 | ret = of_property_read_string_index(np, propname, | |
4584 | (2 * i) + 1, | |
4585 | &wname); | |
4586 | if (ret) { | |
4587 | dev_err(card->dev, | |
4588 | "ASoC: Property '%s' index %d read error:%d\n", | |
4589 | propname, (2 * i) + 1, ret); | |
4590 | return -EINVAL; | |
4591 | } | |
4592 | ||
4593 | widgets[i].name = wname; | |
4594 | } | |
4595 | ||
4596 | card->dapm_widgets = widgets; | |
4597 | card->num_dapm_widgets = num_widgets; | |
4598 | ||
4599 | return 0; | |
4600 | } | |
4601 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4602 | ||
89c67857 XL |
4603 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4604 | unsigned int *slots, | |
4605 | unsigned int *slot_width) | |
4606 | { | |
4607 | u32 val; | |
4608 | int ret; | |
4609 | ||
4610 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4611 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4612 | if (ret) | |
4613 | return ret; | |
4614 | ||
4615 | if (slots) | |
4616 | *slots = val; | |
4617 | } | |
4618 | ||
4619 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4620 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4621 | if (ret) | |
4622 | return ret; | |
4623 | ||
4624 | if (slot_width) | |
4625 | *slot_width = val; | |
4626 | } | |
4627 | ||
4628 | return 0; | |
4629 | } | |
4630 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4631 | ||
a4a54dd5 SW |
4632 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4633 | const char *propname) | |
4634 | { | |
4635 | struct device_node *np = card->dev->of_node; | |
4636 | int num_routes; | |
4637 | struct snd_soc_dapm_route *routes; | |
4638 | int i, ret; | |
4639 | ||
4640 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4641 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4642 | dev_err(card->dev, |
4643 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4644 | propname); | |
a4a54dd5 SW |
4645 | return -EINVAL; |
4646 | } | |
4647 | num_routes /= 2; | |
4648 | if (!num_routes) { | |
f110bfc7 | 4649 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4650 | propname); |
4651 | return -EINVAL; | |
4652 | } | |
4653 | ||
4654 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4655 | GFP_KERNEL); | |
4656 | if (!routes) { | |
4657 | dev_err(card->dev, | |
f110bfc7 | 4658 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4659 | return -EINVAL; |
4660 | } | |
4661 | ||
4662 | for (i = 0; i < num_routes; i++) { | |
4663 | ret = of_property_read_string_index(np, propname, | |
4664 | 2 * i, &routes[i].sink); | |
4665 | if (ret) { | |
c871bd0b MB |
4666 | dev_err(card->dev, |
4667 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4668 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4669 | return -EINVAL; |
4670 | } | |
4671 | ret = of_property_read_string_index(np, propname, | |
4672 | (2 * i) + 1, &routes[i].source); | |
4673 | if (ret) { | |
4674 | dev_err(card->dev, | |
c871bd0b MB |
4675 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4676 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4677 | return -EINVAL; |
4678 | } | |
4679 | } | |
4680 | ||
4681 | card->num_dapm_routes = num_routes; | |
4682 | card->dapm_routes = routes; | |
4683 | ||
4684 | return 0; | |
4685 | } | |
4686 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4687 | ||
a7930ed4 | 4688 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
4689 | const char *prefix, |
4690 | struct device_node **bitclkmaster, | |
4691 | struct device_node **framemaster) | |
a7930ed4 KM |
4692 | { |
4693 | int ret, i; | |
4694 | char prop[128]; | |
4695 | unsigned int format = 0; | |
4696 | int bit, frame; | |
4697 | const char *str; | |
4698 | struct { | |
4699 | char *name; | |
4700 | unsigned int val; | |
4701 | } of_fmt_table[] = { | |
4702 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4703 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4704 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4705 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4706 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4707 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4708 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4709 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4710 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4711 | }; |
4712 | ||
4713 | if (!prefix) | |
4714 | prefix = ""; | |
4715 | ||
4716 | /* | |
4717 | * check "[prefix]format = xxx" | |
4718 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4719 | */ | |
4720 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4721 | ret = of_property_read_string(np, prop, &str); | |
4722 | if (ret == 0) { | |
4723 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4724 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4725 | format |= of_fmt_table[i].val; | |
4726 | break; | |
4727 | } | |
4728 | } | |
4729 | } | |
4730 | ||
4731 | /* | |
8c2d6a9f | 4732 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4733 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4734 | */ | |
8c2d6a9f KM |
4735 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4736 | if (of_get_property(np, prop, NULL)) | |
4737 | format |= SND_SOC_DAIFMT_CONT; | |
4738 | else | |
4739 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4740 | |
4741 | /* | |
4742 | * check "[prefix]bitclock-inversion" | |
4743 | * check "[prefix]frame-inversion" | |
4744 | * SND_SOC_DAIFMT_INV_MASK area | |
4745 | */ | |
4746 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4747 | bit = !!of_get_property(np, prop, NULL); | |
4748 | ||
4749 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4750 | frame = !!of_get_property(np, prop, NULL); | |
4751 | ||
4752 | switch ((bit << 4) + frame) { | |
4753 | case 0x11: | |
4754 | format |= SND_SOC_DAIFMT_IB_IF; | |
4755 | break; | |
4756 | case 0x10: | |
4757 | format |= SND_SOC_DAIFMT_IB_NF; | |
4758 | break; | |
4759 | case 0x01: | |
4760 | format |= SND_SOC_DAIFMT_NB_IF; | |
4761 | break; | |
4762 | default: | |
4763 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4764 | break; | |
4765 | } | |
4766 | ||
4767 | /* | |
4768 | * check "[prefix]bitclock-master" | |
4769 | * check "[prefix]frame-master" | |
4770 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4771 | */ | |
4772 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4773 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4774 | if (bit && bitclkmaster) |
4775 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4776 | |
4777 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4778 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4779 | if (frame && framemaster) |
4780 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4781 | |
4782 | switch ((bit << 4) + frame) { | |
4783 | case 0x11: | |
4784 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4785 | break; | |
4786 | case 0x10: | |
4787 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4788 | break; | |
4789 | case 0x01: | |
4790 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4791 | break; | |
4792 | default: | |
4793 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4794 | break; | |
4795 | } | |
4796 | ||
4797 | return format; | |
4798 | } | |
4799 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4800 | ||
cb470087 KM |
4801 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4802 | const char **dai_name) | |
4803 | { | |
4804 | struct snd_soc_component *pos; | |
4805 | struct of_phandle_args args; | |
4806 | int ret; | |
4807 | ||
4808 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4809 | "#sound-dai-cells", 0, &args); | |
4810 | if (ret) | |
4811 | return ret; | |
4812 | ||
4813 | ret = -EPROBE_DEFER; | |
4814 | ||
4815 | mutex_lock(&client_mutex); | |
4816 | list_for_each_entry(pos, &component_list, list) { | |
4817 | if (pos->dev->of_node != args.np) | |
4818 | continue; | |
4819 | ||
6833c452 KM |
4820 | if (pos->driver->of_xlate_dai_name) { |
4821 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4822 | } else { | |
4823 | int id = -1; | |
4824 | ||
4825 | switch (args.args_count) { | |
4826 | case 0: | |
4827 | id = 0; /* same as dai_drv[0] */ | |
4828 | break; | |
4829 | case 1: | |
4830 | id = args.args[0]; | |
4831 | break; | |
4832 | default: | |
4833 | /* not supported */ | |
4834 | break; | |
4835 | } | |
4836 | ||
4837 | if (id < 0 || id >= pos->num_dai) { | |
4838 | ret = -EINVAL; | |
3dcba280 | 4839 | continue; |
6833c452 | 4840 | } |
e41975ed XL |
4841 | |
4842 | ret = 0; | |
4843 | ||
4844 | *dai_name = pos->dai_drv[id].name; | |
4845 | if (!*dai_name) | |
4846 | *dai_name = pos->name; | |
cb470087 KM |
4847 | } |
4848 | ||
cb470087 KM |
4849 | break; |
4850 | } | |
4851 | mutex_unlock(&client_mutex); | |
4852 | ||
4853 | of_node_put(args.np); | |
4854 | ||
4855 | return ret; | |
4856 | } | |
4857 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4858 | ||
c9b3a40f | 4859 | static int __init snd_soc_init(void) |
db2a4165 | 4860 | { |
384c89e2 | 4861 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4862 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4863 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4864 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4865 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4866 | } |
c3c5a19a | 4867 | |
8a9dab1a | 4868 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4869 | &codec_list_fops)) |
4870 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4871 | ||
8a9dab1a | 4872 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4873 | &dai_list_fops)) |
4874 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4875 | |
8a9dab1a | 4876 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4877 | &platform_list_fops)) |
4878 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4879 | #endif |
4880 | ||
fb257897 MB |
4881 | snd_soc_util_init(); |
4882 | ||
db2a4165 FM |
4883 | return platform_driver_register(&soc_driver); |
4884 | } | |
4abe8e16 | 4885 | module_init(snd_soc_init); |
db2a4165 | 4886 | |
7d8c16a6 | 4887 | static void __exit snd_soc_exit(void) |
db2a4165 | 4888 | { |
fb257897 MB |
4889 | snd_soc_util_exit(); |
4890 | ||
384c89e2 | 4891 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4892 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4893 | #endif |
3ff3f64b | 4894 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4895 | } |
db2a4165 FM |
4896 | module_exit(snd_soc_exit); |
4897 | ||
4898 | /* Module information */ | |
d331124d | 4899 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4900 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4901 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4902 | MODULE_ALIAS("platform:soc-audio"); |