Commit | Line | Data |
---|---|---|
db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
741a509f MP |
37 | #include <linux/gpio.h> |
38 | #include <linux/of_gpio.h> | |
474828a4 | 39 | #include <sound/ac97_codec.h> |
db2a4165 | 40 | #include <sound/core.h> |
3028eb8c | 41 | #include <sound/jack.h> |
db2a4165 FM |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
01d7584c | 45 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
46 | #include <sound/initval.h> |
47 | ||
a8b1d34f MB |
48 | #define CREATE_TRACE_POINTS |
49 | #include <trace/events/asoc.h> | |
50 | ||
f0fba2ad LG |
51 | #define NAME_SIZE 32 |
52 | ||
384c89e2 | 53 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
54 | struct dentry *snd_soc_debugfs_root; |
55 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
56 | #endif |
57 | ||
c5af3a2e | 58 | static DEFINE_MUTEX(client_mutex); |
12a48a8c | 59 | static LIST_HEAD(platform_list); |
0d0cf00a | 60 | static LIST_HEAD(codec_list); |
030e79f6 | 61 | static LIST_HEAD(component_list); |
c5af3a2e | 62 | |
db2a4165 FM |
63 | /* |
64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
65 | * It can be used to eliminate pops between different playback streams, e.g. | |
66 | * between two audio tracks. | |
67 | */ | |
68 | static int pmdown_time = 5000; | |
69 | module_param(pmdown_time, int, 0); | |
70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
71 | ||
741a509f MP |
72 | struct snd_ac97_reset_cfg { |
73 | struct pinctrl *pctl; | |
74 | struct pinctrl_state *pstate_reset; | |
75 | struct pinctrl_state *pstate_warm_reset; | |
76 | struct pinctrl_state *pstate_run; | |
77 | int gpio_sdata; | |
78 | int gpio_sync; | |
79 | int gpio_reset; | |
80 | }; | |
81 | ||
2bc9a81e DP |
82 | /* returns the minimum number of bytes needed to represent |
83 | * a particular given value */ | |
84 | static int min_bytes_needed(unsigned long val) | |
85 | { | |
86 | int c = 0; | |
87 | int i; | |
88 | ||
89 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
90 | if (val & (1UL << i)) | |
91 | break; | |
92 | c = (sizeof val * 8) - c; | |
93 | if (!c || (c % 8)) | |
94 | c = (c + 8) / 8; | |
95 | else | |
96 | c /= 8; | |
97 | return c; | |
98 | } | |
99 | ||
13fd179f DP |
100 | /* fill buf which is 'len' bytes with a formatted |
101 | * string of the form 'reg: value\n' */ | |
102 | static int format_register_str(struct snd_soc_codec *codec, | |
103 | unsigned int reg, char *buf, size_t len) | |
104 | { | |
00b317a4 SW |
105 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
106 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
107 | int ret; |
108 | char tmpbuf[len + 1]; | |
109 | char regbuf[regsize + 1]; | |
110 | ||
111 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
112 | * try to abuse this function */ | |
113 | WARN_ON(len > 63); | |
114 | ||
115 | /* +2 for ': ' and + 1 for '\n' */ | |
116 | if (wordsize + regsize + 2 + 1 != len) | |
117 | return -EINVAL; | |
118 | ||
25032c11 | 119 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
120 | if (ret < 0) { |
121 | memset(regbuf, 'X', regsize); | |
122 | regbuf[regsize] = '\0'; | |
123 | } else { | |
124 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
125 | } | |
126 | ||
127 | /* prepare the buffer */ | |
128 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
129 | /* copy it back to the caller without the '\0' */ | |
130 | memcpy(buf, tmpbuf, len); | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
2624d5fa | 135 | /* codec register dump */ |
13fd179f DP |
136 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
137 | size_t count, loff_t pos) | |
2624d5fa | 138 | { |
13fd179f | 139 | int i, step = 1; |
2bc9a81e | 140 | int wordsize, regsize; |
13fd179f DP |
141 | int len; |
142 | size_t total = 0; | |
143 | loff_t p = 0; | |
2bc9a81e | 144 | |
00b317a4 SW |
145 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
146 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 147 | |
13fd179f DP |
148 | len = wordsize + regsize + 2 + 1; |
149 | ||
f0fba2ad | 150 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
151 | return 0; |
152 | ||
f0fba2ad LG |
153 | if (codec->driver->reg_cache_step) |
154 | step = codec->driver->reg_cache_step; | |
2624d5fa | 155 | |
f0fba2ad | 156 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
20a0ec27 LPC |
157 | /* only support larger than PAGE_SIZE bytes debugfs |
158 | * entries for the default case */ | |
159 | if (p >= pos) { | |
160 | if (total + len >= count - 1) | |
161 | break; | |
162 | format_register_str(codec, i, buf + total, len); | |
163 | total += len; | |
5164d74d | 164 | } |
20a0ec27 | 165 | p += len; |
2624d5fa MB |
166 | } |
167 | ||
13fd179f | 168 | total = min(total, count - 1); |
2624d5fa | 169 | |
13fd179f | 170 | return total; |
2624d5fa | 171 | } |
13fd179f | 172 | |
2624d5fa MB |
173 | static ssize_t codec_reg_show(struct device *dev, |
174 | struct device_attribute *attr, char *buf) | |
175 | { | |
36ae1a96 | 176 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 177 | |
13fd179f | 178 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
179 | } |
180 | ||
181 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
182 | ||
dbe21408 MB |
183 | static ssize_t pmdown_time_show(struct device *dev, |
184 | struct device_attribute *attr, char *buf) | |
185 | { | |
36ae1a96 | 186 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 187 | |
f0fba2ad | 188 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
189 | } |
190 | ||
191 | static ssize_t pmdown_time_set(struct device *dev, | |
192 | struct device_attribute *attr, | |
193 | const char *buf, size_t count) | |
194 | { | |
36ae1a96 | 195 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 196 | int ret; |
dbe21408 | 197 | |
b785a492 | 198 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
199 | if (ret) |
200 | return ret; | |
dbe21408 MB |
201 | |
202 | return count; | |
203 | } | |
204 | ||
205 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
206 | ||
2624d5fa | 207 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 208 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 209 | size_t count, loff_t *ppos) |
2624d5fa MB |
210 | { |
211 | ssize_t ret; | |
212 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
213 | char *buf; |
214 | ||
215 | if (*ppos < 0 || !count) | |
216 | return -EINVAL; | |
217 | ||
218 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
219 | if (!buf) |
220 | return -ENOMEM; | |
13fd179f DP |
221 | |
222 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
223 | if (ret >= 0) { | |
224 | if (copy_to_user(user_buf, buf, ret)) { | |
225 | kfree(buf); | |
226 | return -EFAULT; | |
227 | } | |
228 | *ppos += ret; | |
229 | } | |
230 | ||
2624d5fa MB |
231 | kfree(buf); |
232 | return ret; | |
233 | } | |
234 | ||
235 | static ssize_t codec_reg_write_file(struct file *file, | |
236 | const char __user *user_buf, size_t count, loff_t *ppos) | |
237 | { | |
238 | char buf[32]; | |
34e268d8 | 239 | size_t buf_size; |
2624d5fa MB |
240 | char *start = buf; |
241 | unsigned long reg, value; | |
2624d5fa | 242 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 243 | int ret; |
2624d5fa MB |
244 | |
245 | buf_size = min(count, (sizeof(buf)-1)); | |
246 | if (copy_from_user(buf, user_buf, buf_size)) | |
247 | return -EFAULT; | |
248 | buf[buf_size] = 0; | |
2624d5fa MB |
249 | |
250 | while (*start == ' ') | |
251 | start++; | |
252 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
253 | while (*start == ' ') |
254 | start++; | |
b785a492 JH |
255 | ret = kstrtoul(start, 16, &value); |
256 | if (ret) | |
257 | return ret; | |
0d51a9cb MB |
258 | |
259 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 260 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 261 | |
e4f078d8 | 262 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
263 | return buf_size; |
264 | } | |
265 | ||
266 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 267 | .open = simple_open, |
2624d5fa MB |
268 | .read = codec_reg_read_file, |
269 | .write = codec_reg_write_file, | |
6038f373 | 270 | .llseek = default_llseek, |
2624d5fa MB |
271 | }; |
272 | ||
81c7cfd1 | 273 | static void soc_init_component_debugfs(struct snd_soc_component *component) |
e73f3de5 | 274 | { |
81c7cfd1 LPC |
275 | if (component->debugfs_prefix) { |
276 | char *name; | |
e73f3de5 | 277 | |
81c7cfd1 LPC |
278 | name = kasprintf(GFP_KERNEL, "%s:%s", |
279 | component->debugfs_prefix, component->name); | |
280 | if (name) { | |
281 | component->debugfs_root = debugfs_create_dir(name, | |
282 | component->card->debugfs_card_root); | |
283 | kfree(name); | |
284 | } | |
285 | } else { | |
286 | component->debugfs_root = debugfs_create_dir(component->name, | |
287 | component->card->debugfs_card_root); | |
288 | } | |
e73f3de5 | 289 | |
81c7cfd1 LPC |
290 | if (!component->debugfs_root) { |
291 | dev_warn(component->dev, | |
292 | "ASoC: Failed to create component debugfs directory\n"); | |
293 | return; | |
294 | } | |
e73f3de5 | 295 | |
81c7cfd1 LPC |
296 | snd_soc_dapm_debugfs_init(snd_soc_component_get_dapm(component), |
297 | component->debugfs_root); | |
e73f3de5 | 298 | |
81c7cfd1 LPC |
299 | if (component->init_debugfs) |
300 | component->init_debugfs(component); | |
e73f3de5 RK |
301 | } |
302 | ||
81c7cfd1 | 303 | static void soc_cleanup_component_debugfs(struct snd_soc_component *component) |
2624d5fa | 304 | { |
81c7cfd1 LPC |
305 | debugfs_remove_recursive(component->debugfs_root); |
306 | } | |
d6ce4cf3 | 307 | |
81c7cfd1 LPC |
308 | static void soc_init_codec_debugfs(struct snd_soc_component *component) |
309 | { | |
310 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
2624d5fa | 311 | |
81c7cfd1 | 312 | debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root, |
aaee8ef1 | 313 | &codec->cache_sync); |
aaee8ef1 | 314 | |
2624d5fa | 315 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
81c7cfd1 | 316 | codec->component.debugfs_root, |
2624d5fa MB |
317 | codec, &codec_reg_fops); |
318 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
319 | dev_warn(codec->dev, |
320 | "ASoC: Failed to create codec register debugfs file\n"); | |
731f1ab2 SG |
321 | } |
322 | ||
c3c5a19a MB |
323 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
324 | size_t count, loff_t *ppos) | |
325 | { | |
326 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 327 | ssize_t len, ret = 0; |
c3c5a19a MB |
328 | struct snd_soc_codec *codec; |
329 | ||
330 | if (!buf) | |
331 | return -ENOMEM; | |
332 | ||
2b194f9d MB |
333 | list_for_each_entry(codec, &codec_list, list) { |
334 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 335 | codec->component.name); |
2b194f9d MB |
336 | if (len >= 0) |
337 | ret += len; | |
338 | if (ret > PAGE_SIZE) { | |
339 | ret = PAGE_SIZE; | |
340 | break; | |
341 | } | |
342 | } | |
c3c5a19a MB |
343 | |
344 | if (ret >= 0) | |
345 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
346 | ||
347 | kfree(buf); | |
348 | ||
349 | return ret; | |
350 | } | |
351 | ||
352 | static const struct file_operations codec_list_fops = { | |
353 | .read = codec_list_read_file, | |
354 | .llseek = default_llseek,/* read accesses f_pos */ | |
355 | }; | |
356 | ||
f3208780 MB |
357 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
358 | size_t count, loff_t *ppos) | |
359 | { | |
360 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 361 | ssize_t len, ret = 0; |
1438c2f6 | 362 | struct snd_soc_component *component; |
f3208780 MB |
363 | struct snd_soc_dai *dai; |
364 | ||
365 | if (!buf) | |
366 | return -ENOMEM; | |
367 | ||
1438c2f6 LPC |
368 | list_for_each_entry(component, &component_list, list) { |
369 | list_for_each_entry(dai, &component->dai_list, list) { | |
370 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
371 | dai->name); | |
372 | if (len >= 0) | |
373 | ret += len; | |
374 | if (ret > PAGE_SIZE) { | |
375 | ret = PAGE_SIZE; | |
376 | break; | |
377 | } | |
2b194f9d MB |
378 | } |
379 | } | |
f3208780 | 380 | |
2b194f9d | 381 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
382 | |
383 | kfree(buf); | |
384 | ||
385 | return ret; | |
386 | } | |
387 | ||
388 | static const struct file_operations dai_list_fops = { | |
389 | .read = dai_list_read_file, | |
390 | .llseek = default_llseek,/* read accesses f_pos */ | |
391 | }; | |
392 | ||
19c7ac27 MB |
393 | static ssize_t platform_list_read_file(struct file *file, |
394 | char __user *user_buf, | |
395 | size_t count, loff_t *ppos) | |
396 | { | |
397 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 398 | ssize_t len, ret = 0; |
19c7ac27 MB |
399 | struct snd_soc_platform *platform; |
400 | ||
401 | if (!buf) | |
402 | return -ENOMEM; | |
403 | ||
2b194f9d MB |
404 | list_for_each_entry(platform, &platform_list, list) { |
405 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 406 | platform->component.name); |
2b194f9d MB |
407 | if (len >= 0) |
408 | ret += len; | |
409 | if (ret > PAGE_SIZE) { | |
410 | ret = PAGE_SIZE; | |
411 | break; | |
412 | } | |
413 | } | |
19c7ac27 | 414 | |
2b194f9d | 415 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
416 | |
417 | kfree(buf); | |
418 | ||
419 | return ret; | |
420 | } | |
421 | ||
422 | static const struct file_operations platform_list_fops = { | |
423 | .read = platform_list_read_file, | |
424 | .llseek = default_llseek,/* read accesses f_pos */ | |
425 | }; | |
426 | ||
a6052154 JN |
427 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
428 | { | |
429 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 430 | snd_soc_debugfs_root); |
3a45b867 | 431 | if (!card->debugfs_card_root) { |
a6052154 | 432 | dev_warn(card->dev, |
7c08be84 | 433 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
434 | return; |
435 | } | |
436 | ||
437 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
438 | card->debugfs_card_root, | |
439 | &card->pop_time); | |
440 | if (!card->debugfs_pop_time) | |
441 | dev_warn(card->dev, | |
f110bfc7 | 442 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
443 | } |
444 | ||
445 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
446 | { | |
447 | debugfs_remove_recursive(card->debugfs_card_root); | |
448 | } | |
449 | ||
2624d5fa MB |
450 | #else |
451 | ||
81c7cfd1 | 452 | #define soc_init_codec_debugfs NULL |
b95fccbc | 453 | |
81c7cfd1 LPC |
454 | static inline void soc_init_component_debugfs( |
455 | struct snd_soc_component *component) | |
731f1ab2 SG |
456 | { |
457 | } | |
458 | ||
81c7cfd1 LPC |
459 | static inline void soc_cleanup_component_debugfs( |
460 | struct snd_soc_component *component) | |
731f1ab2 SG |
461 | { |
462 | } | |
463 | ||
b95fccbc AL |
464 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
465 | { | |
466 | } | |
467 | ||
468 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
469 | { | |
470 | } | |
2624d5fa MB |
471 | #endif |
472 | ||
47c88fff LG |
473 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
474 | const char *dai_link, int stream) | |
475 | { | |
476 | int i; | |
477 | ||
478 | for (i = 0; i < card->num_links; i++) { | |
479 | if (card->rtd[i].dai_link->no_pcm && | |
480 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
481 | return card->rtd[i].pcm->streams[stream].substream; | |
482 | } | |
f110bfc7 | 483 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
484 | return NULL; |
485 | } | |
486 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
487 | ||
488 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
489 | const char *dai_link) | |
490 | { | |
491 | int i; | |
492 | ||
493 | for (i = 0; i < card->num_links; i++) { | |
494 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
495 | return &card->rtd[i]; | |
496 | } | |
f110bfc7 | 497 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
498 | return NULL; |
499 | } | |
500 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
501 | ||
db2a4165 FM |
502 | #ifdef CONFIG_SND_SOC_AC97_BUS |
503 | /* unregister ac97 codec */ | |
504 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
505 | { | |
506 | if (codec->ac97->dev.bus) | |
507 | device_unregister(&codec->ac97->dev); | |
508 | return 0; | |
509 | } | |
510 | ||
511 | /* stop no dev release warning */ | |
512 | static void soc_ac97_device_release(struct device *dev){} | |
513 | ||
514 | /* register ac97 codec to bus */ | |
515 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
516 | { | |
517 | int err; | |
518 | ||
519 | codec->ac97->dev.bus = &ac97_bus_type; | |
00200107 | 520 | codec->ac97->dev.parent = codec->component.card->dev; |
db2a4165 FM |
521 | codec->ac97->dev.release = soc_ac97_device_release; |
522 | ||
bb072bf0 | 523 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
00200107 LPC |
524 | codec->component.card->snd_card->number, 0, |
525 | codec->component.name); | |
db2a4165 FM |
526 | err = device_register(&codec->ac97->dev); |
527 | if (err < 0) { | |
f110bfc7 | 528 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
529 | codec->ac97->dev.bus = NULL; |
530 | return err; | |
531 | } | |
532 | return 0; | |
533 | } | |
534 | #endif | |
535 | ||
9d58a077 RF |
536 | static void codec2codec_close_delayed_work(struct work_struct *work) |
537 | { | |
538 | /* Currently nothing to do for c2c links | |
539 | * Since c2c links are internal nodes in the DAPM graph and | |
540 | * don't interface with the outside world or application layer | |
541 | * we don't have to do any special handling on close. | |
542 | */ | |
543 | } | |
544 | ||
6f8ab4ac | 545 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 546 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 547 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 548 | { |
6f8ab4ac | 549 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 550 | struct snd_soc_codec *codec; |
88bd870f | 551 | int i, j; |
db2a4165 | 552 | |
c5599b87 LPC |
553 | /* If the card is not initialized yet there is nothing to do */ |
554 | if (!card->instantiated) | |
e3509ff0 DM |
555 | return 0; |
556 | ||
6ed25978 AG |
557 | /* Due to the resume being scheduled into a workqueue we could |
558 | * suspend before that's finished - wait for it to complete. | |
559 | */ | |
f0fba2ad LG |
560 | snd_power_lock(card->snd_card); |
561 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
562 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
563 | |
564 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 565 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 566 | |
a00f90f9 | 567 | /* mute any active DACs */ |
f0fba2ad | 568 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 569 | |
f0fba2ad | 570 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
571 | continue; |
572 | ||
88bd870f BC |
573 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
574 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
575 | struct snd_soc_dai_driver *drv = dai->driver; | |
576 | ||
577 | if (drv->ops->digital_mute && dai->playback_active) | |
578 | drv->ops->digital_mute(dai, 1); | |
579 | } | |
db2a4165 FM |
580 | } |
581 | ||
4ccab3e7 | 582 | /* suspend all pcms */ |
f0fba2ad LG |
583 | for (i = 0; i < card->num_rtd; i++) { |
584 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
585 | continue; |
586 | ||
f0fba2ad | 587 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 588 | } |
4ccab3e7 | 589 | |
87506549 | 590 | if (card->suspend_pre) |
70b2ac12 | 591 | card->suspend_pre(card); |
db2a4165 | 592 | |
f0fba2ad LG |
593 | for (i = 0; i < card->num_rtd; i++) { |
594 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 595 | |
f0fba2ad | 596 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
597 | continue; |
598 | ||
f0fba2ad LG |
599 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
600 | cpu_dai->driver->suspend(cpu_dai); | |
db2a4165 FM |
601 | } |
602 | ||
603 | /* close any waiting streams and save state */ | |
f0fba2ad | 604 | for (i = 0; i < card->num_rtd; i++) { |
88bd870f | 605 | struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais; |
43829731 | 606 | flush_delayed_work(&card->rtd[i].delayed_work); |
88bd870f BC |
607 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
608 | codec_dais[j]->codec->dapm.suspend_bias_level = | |
609 | codec_dais[j]->codec->dapm.bias_level; | |
610 | } | |
f0fba2ad | 611 | } |
db2a4165 | 612 | |
f0fba2ad | 613 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 614 | |
f0fba2ad | 615 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
616 | continue; |
617 | ||
7bd3a6f3 MB |
618 | snd_soc_dapm_stream_event(&card->rtd[i], |
619 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 620 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 621 | |
7bd3a6f3 MB |
622 | snd_soc_dapm_stream_event(&card->rtd[i], |
623 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 624 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
625 | } |
626 | ||
8be4da29 LPC |
627 | /* Recheck all endpoints too, their state is affected by suspend */ |
628 | dapm_mark_endpoints_dirty(card); | |
e2d32ff6 MB |
629 | snd_soc_dapm_sync(&card->dapm); |
630 | ||
f0fba2ad | 631 | /* suspend all CODECs */ |
2eea392d | 632 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
633 | /* If there are paths active then the CODEC will be held with |
634 | * bias _ON and should not be suspended. */ | |
a8093297 | 635 | if (!codec->suspended) { |
ce6120cc | 636 | switch (codec->dapm.bias_level) { |
f0fba2ad | 637 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
638 | /* |
639 | * If the CODEC is capable of idle | |
640 | * bias off then being in STANDBY | |
641 | * means it's doing something, | |
642 | * otherwise fall through. | |
643 | */ | |
644 | if (codec->dapm.idle_bias_off) { | |
645 | dev_dbg(codec->dev, | |
10e8aa9a | 646 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
647 | break; |
648 | } | |
a8093297 | 649 | |
f0fba2ad | 650 | case SND_SOC_BIAS_OFF: |
a8093297 LPC |
651 | if (codec->driver->suspend) |
652 | codec->driver->suspend(codec); | |
f0fba2ad | 653 | codec->suspended = 1; |
7be4ba24 | 654 | codec->cache_sync = 1; |
e2c330b9 LPC |
655 | if (codec->component.regmap) |
656 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
657 | /* deactivate pins to sleep state */ |
658 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
659 | break; |
660 | default: | |
10e8aa9a MM |
661 | dev_dbg(codec->dev, |
662 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
663 | break; |
664 | } | |
1547aba9 MB |
665 | } |
666 | } | |
db2a4165 | 667 | |
f0fba2ad LG |
668 | for (i = 0; i < card->num_rtd; i++) { |
669 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 670 | |
f0fba2ad | 671 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
672 | continue; |
673 | ||
f0fba2ad LG |
674 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
675 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
676 | |
677 | /* deactivate pins to sleep state */ | |
678 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
679 | } |
680 | ||
87506549 | 681 | if (card->suspend_post) |
70b2ac12 | 682 | card->suspend_post(card); |
db2a4165 FM |
683 | |
684 | return 0; | |
685 | } | |
6f8ab4ac | 686 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 687 | |
6ed25978 AG |
688 | /* deferred resume work, so resume can complete before we finished |
689 | * setting our codec back up, which can be very slow on I2C | |
690 | */ | |
691 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 692 | { |
f0fba2ad LG |
693 | struct snd_soc_card *card = |
694 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 695 | struct snd_soc_codec *codec; |
88bd870f | 696 | int i, j; |
db2a4165 | 697 | |
6ed25978 AG |
698 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
699 | * so userspace apps are blocked from touching us | |
700 | */ | |
701 | ||
f110bfc7 | 702 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 703 | |
9949788b | 704 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 705 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 706 | |
87506549 | 707 | if (card->resume_pre) |
70b2ac12 | 708 | card->resume_pre(card); |
db2a4165 | 709 | |
f0fba2ad LG |
710 | /* resume AC97 DAIs */ |
711 | for (i = 0; i < card->num_rtd; i++) { | |
712 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 713 | |
f0fba2ad | 714 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
715 | continue; |
716 | ||
f0fba2ad LG |
717 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
718 | cpu_dai->driver->resume(cpu_dai); | |
719 | } | |
720 | ||
2eea392d | 721 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
722 | /* If the CODEC was idle over suspend then it will have been |
723 | * left with bias OFF or STANDBY and suspended so we must now | |
724 | * resume. Otherwise the suspend was suppressed. | |
725 | */ | |
a8093297 | 726 | if (codec->suspended) { |
ce6120cc | 727 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
728 | case SND_SOC_BIAS_STANDBY: |
729 | case SND_SOC_BIAS_OFF: | |
a8093297 LPC |
730 | if (codec->driver->resume) |
731 | codec->driver->resume(codec); | |
f0fba2ad LG |
732 | codec->suspended = 0; |
733 | break; | |
734 | default: | |
10e8aa9a MM |
735 | dev_dbg(codec->dev, |
736 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
737 | break; |
738 | } | |
1547aba9 MB |
739 | } |
740 | } | |
db2a4165 | 741 | |
f0fba2ad | 742 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 743 | |
f0fba2ad | 744 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
745 | continue; |
746 | ||
7bd3a6f3 | 747 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 748 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 749 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 750 | |
7bd3a6f3 | 751 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 752 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 753 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
754 | } |
755 | ||
3ff3f64b | 756 | /* unmute any active DACs */ |
f0fba2ad | 757 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 758 | |
f0fba2ad | 759 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
760 | continue; |
761 | ||
88bd870f BC |
762 | for (j = 0; j < card->rtd[i].num_codecs; j++) { |
763 | struct snd_soc_dai *dai = card->rtd[i].codec_dais[j]; | |
764 | struct snd_soc_dai_driver *drv = dai->driver; | |
765 | ||
766 | if (drv->ops->digital_mute && dai->playback_active) | |
767 | drv->ops->digital_mute(dai, 0); | |
768 | } | |
db2a4165 FM |
769 | } |
770 | ||
f0fba2ad LG |
771 | for (i = 0; i < card->num_rtd; i++) { |
772 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 773 | |
f0fba2ad | 774 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
775 | continue; |
776 | ||
f0fba2ad LG |
777 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
778 | cpu_dai->driver->resume(cpu_dai); | |
db2a4165 FM |
779 | } |
780 | ||
87506549 | 781 | if (card->resume_post) |
70b2ac12 | 782 | card->resume_post(card); |
db2a4165 | 783 | |
f110bfc7 | 784 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
785 | |
786 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 787 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 | 788 | |
8be4da29 LPC |
789 | /* Recheck all endpoints too, their state is affected by suspend */ |
790 | dapm_mark_endpoints_dirty(card); | |
e2d32ff6 | 791 | snd_soc_dapm_sync(&card->dapm); |
6ed25978 AG |
792 | } |
793 | ||
794 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 795 | int snd_soc_resume(struct device *dev) |
6ed25978 | 796 | { |
6f8ab4ac | 797 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 798 | int i, ac97_control = 0; |
b9dd94a8 | 799 | |
c5599b87 LPC |
800 | /* If the card is not initialized yet there is nothing to do */ |
801 | if (!card->instantiated) | |
5ff1ddf2 EM |
802 | return 0; |
803 | ||
988e8cc4 NC |
804 | /* activate pins from sleep state */ |
805 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
806 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
807 | struct snd_soc_dai **codec_dais = rtd->codec_dais; | |
808 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
809 | int j; | |
810 | ||
988e8cc4 NC |
811 | if (cpu_dai->active) |
812 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
88bd870f BC |
813 | |
814 | for (j = 0; j < rtd->num_codecs; j++) { | |
815 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
816 | if (codec_dai->active) | |
817 | pinctrl_pm_select_default_state(codec_dai->dev); | |
818 | } | |
988e8cc4 NC |
819 | } |
820 | ||
64ab9baa MB |
821 | /* AC97 devices might have other drivers hanging off them so |
822 | * need to resume immediately. Other drivers don't have that | |
823 | * problem and may take a substantial amount of time to resume | |
824 | * due to I/O costs and anti-pop so handle them out of line. | |
825 | */ | |
f0fba2ad LG |
826 | for (i = 0; i < card->num_rtd; i++) { |
827 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
828 | ac97_control |= cpu_dai->driver->ac97_control; |
829 | } | |
830 | if (ac97_control) { | |
f110bfc7 | 831 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
832 | soc_resume_deferred(&card->deferred_resume_work); |
833 | } else { | |
f110bfc7 | 834 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 835 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 836 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 837 | } |
6ed25978 | 838 | |
db2a4165 FM |
839 | return 0; |
840 | } | |
6f8ab4ac | 841 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 842 | #else |
6f8ab4ac MB |
843 | #define snd_soc_suspend NULL |
844 | #define snd_soc_resume NULL | |
db2a4165 FM |
845 | #endif |
846 | ||
85e7652d | 847 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
848 | }; |
849 | ||
65d9361f LPC |
850 | static struct snd_soc_component *soc_find_component( |
851 | const struct device_node *of_node, const char *name) | |
12023a9a | 852 | { |
65d9361f | 853 | struct snd_soc_component *component; |
12023a9a | 854 | |
65d9361f LPC |
855 | list_for_each_entry(component, &component_list, list) { |
856 | if (of_node) { | |
857 | if (component->dev->of_node == of_node) | |
858 | return component; | |
859 | } else if (strcmp(component->name, name) == 0) { | |
860 | return component; | |
12023a9a | 861 | } |
12023a9a MLC |
862 | } |
863 | ||
864 | return NULL; | |
865 | } | |
866 | ||
14621c7e LPC |
867 | static struct snd_soc_dai *snd_soc_find_dai( |
868 | const struct snd_soc_dai_link_component *dlc) | |
12023a9a | 869 | { |
14621c7e LPC |
870 | struct snd_soc_component *component; |
871 | struct snd_soc_dai *dai; | |
12023a9a | 872 | |
14621c7e LPC |
873 | /* Find CPU DAI from registered DAIs*/ |
874 | list_for_each_entry(component, &component_list, list) { | |
875 | if (dlc->of_node && component->dev->of_node != dlc->of_node) | |
876 | continue; | |
877 | if (dlc->name && strcmp(dev_name(component->dev), dlc->name)) | |
878 | continue; | |
879 | list_for_each_entry(dai, &component->dai_list, list) { | |
880 | if (dlc->dai_name && strcmp(dai->name, dlc->dai_name)) | |
12023a9a | 881 | continue; |
12023a9a | 882 | |
14621c7e | 883 | return dai; |
12023a9a MLC |
884 | } |
885 | } | |
886 | ||
887 | return NULL; | |
888 | } | |
889 | ||
f0fba2ad | 890 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 891 | { |
f0fba2ad LG |
892 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
893 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
88bd870f | 894 | struct snd_soc_dai_link_component *codecs = dai_link->codecs; |
14621c7e | 895 | struct snd_soc_dai_link_component cpu_dai_component; |
88bd870f | 896 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
435c5e25 | 897 | struct snd_soc_platform *platform; |
848dd8be | 898 | const char *platform_name; |
88bd870f | 899 | int i; |
435c5e25 | 900 | |
f110bfc7 | 901 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 902 | |
14621c7e LPC |
903 | cpu_dai_component.name = dai_link->cpu_name; |
904 | cpu_dai_component.of_node = dai_link->cpu_of_node; | |
905 | cpu_dai_component.dai_name = dai_link->cpu_dai_name; | |
906 | rtd->cpu_dai = snd_soc_find_dai(&cpu_dai_component); | |
b19e6e7b | 907 | if (!rtd->cpu_dai) { |
f110bfc7 | 908 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
909 | dai_link->cpu_dai_name); |
910 | return -EPROBE_DEFER; | |
f0fba2ad LG |
911 | } |
912 | ||
88bd870f | 913 | rtd->num_codecs = dai_link->num_codecs; |
848dd8be | 914 | |
88bd870f BC |
915 | /* Find CODEC from registered CODECs */ |
916 | for (i = 0; i < rtd->num_codecs; i++) { | |
14621c7e | 917 | codec_dais[i] = snd_soc_find_dai(&codecs[i]); |
88bd870f BC |
918 | if (!codec_dais[i]) { |
919 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
920 | codecs[i].dai_name); | |
921 | return -EPROBE_DEFER; | |
922 | } | |
12023a9a MLC |
923 | } |
924 | ||
88bd870f BC |
925 | /* Single codec links expect codec and codec_dai in runtime data */ |
926 | rtd->codec_dai = codec_dais[0]; | |
927 | rtd->codec = rtd->codec_dai->codec; | |
928 | ||
848dd8be MB |
929 | /* if there's no platform we match on the empty platform */ |
930 | platform_name = dai_link->platform_name; | |
5a504963 | 931 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
932 | platform_name = "snd-soc-dummy"; |
933 | ||
b19e6e7b | 934 | /* find one from the set of registered platforms */ |
f0fba2ad | 935 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
936 | if (dai_link->platform_of_node) { |
937 | if (platform->dev->of_node != | |
938 | dai_link->platform_of_node) | |
939 | continue; | |
940 | } else { | |
f4333203 | 941 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
942 | continue; |
943 | } | |
2610ab77 SW |
944 | |
945 | rtd->platform = platform; | |
02a06d30 | 946 | } |
b19e6e7b | 947 | if (!rtd->platform) { |
f110bfc7 | 948 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 949 | dai_link->platform_name); |
b19e6e7b | 950 | return -EPROBE_DEFER; |
f0fba2ad | 951 | } |
b19e6e7b MB |
952 | |
953 | card->num_rtd++; | |
954 | ||
955 | return 0; | |
f0fba2ad LG |
956 | } |
957 | ||
f1d45cc3 | 958 | static void soc_remove_component(struct snd_soc_component *component) |
d12cd198 | 959 | { |
70090bbb LPC |
960 | if (!component->probed) |
961 | return; | |
d12cd198 | 962 | |
f1d45cc3 LPC |
963 | /* This is a HACK and will be removed soon */ |
964 | if (component->codec) | |
965 | list_del(&component->codec->card_list); | |
589c3563 | 966 | |
f1d45cc3 LPC |
967 | if (component->remove) |
968 | component->remove(component); | |
589c3563 | 969 | |
f1d45cc3 | 970 | snd_soc_dapm_free(snd_soc_component_get_dapm(component)); |
589c3563 | 971 | |
f1d45cc3 LPC |
972 | soc_cleanup_component_debugfs(component); |
973 | component->probed = 0; | |
974 | module_put(component->dev->driver->owner); | |
589c3563 JN |
975 | } |
976 | ||
e60cd14f | 977 | static void soc_remove_dai(struct snd_soc_dai *dai, int order) |
f0fba2ad | 978 | { |
f0fba2ad LG |
979 | int err; |
980 | ||
e60cd14f LPC |
981 | if (dai && dai->probed && |
982 | dai->driver->remove_order == order) { | |
983 | if (dai->driver->remove) { | |
984 | err = dai->driver->remove(dai); | |
f0fba2ad | 985 | if (err < 0) |
e60cd14f | 986 | dev_err(dai->dev, |
f110bfc7 | 987 | "ASoC: failed to remove %s: %d\n", |
e60cd14f | 988 | dai->name, err); |
6b05eda6 | 989 | } |
e60cd14f | 990 | dai->probed = 0; |
f0fba2ad | 991 | } |
b0aa88af MLC |
992 | } |
993 | ||
994 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
995 | { | |
996 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
e60cd14f | 997 | int i; |
b0aa88af MLC |
998 | |
999 | /* unregister the rtd device */ | |
1000 | if (rtd->dev_registered) { | |
1001 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
1002 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1003 | device_unregister(rtd->dev); | |
1004 | rtd->dev_registered = 0; | |
1005 | } | |
1006 | ||
1007 | /* remove the CODEC DAI */ | |
88bd870f | 1008 | for (i = 0; i < rtd->num_codecs; i++) |
e60cd14f | 1009 | soc_remove_dai(rtd->codec_dais[i], order); |
6b05eda6 | 1010 | |
e60cd14f | 1011 | soc_remove_dai(rtd->cpu_dai, order); |
f0fba2ad | 1012 | } |
db2a4165 | 1013 | |
62ae68fa SW |
1014 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1015 | int order) | |
1016 | { | |
1017 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1018 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
62ae68fa | 1019 | struct snd_soc_platform *platform = rtd->platform; |
61aca564 | 1020 | struct snd_soc_component *component; |
88bd870f | 1021 | int i; |
62ae68fa SW |
1022 | |
1023 | /* remove the platform */ | |
70090bbb | 1024 | if (platform && platform->component.driver->remove_order == order) |
f1d45cc3 | 1025 | soc_remove_component(&platform->component); |
62ae68fa SW |
1026 | |
1027 | /* remove the CODEC-side CODEC */ | |
88bd870f | 1028 | for (i = 0; i < rtd->num_codecs; i++) { |
61aca564 | 1029 | component = rtd->codec_dais[i]->component; |
70090bbb | 1030 | if (component->driver->remove_order == order) |
61aca564 | 1031 | soc_remove_component(component); |
62ae68fa SW |
1032 | } |
1033 | ||
1034 | /* remove any CPU-side CODEC */ | |
1035 | if (cpu_dai) { | |
70090bbb | 1036 | if (cpu_dai->component->driver->remove_order == order) |
61aca564 | 1037 | soc_remove_component(cpu_dai->component); |
62ae68fa SW |
1038 | } |
1039 | } | |
1040 | ||
0671fd8e KM |
1041 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1042 | { | |
0168bf0d | 1043 | int dai, order; |
0671fd8e | 1044 | |
0168bf0d LG |
1045 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1046 | order++) { | |
1047 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1048 | soc_remove_link_dais(card, dai, order); |
1049 | } | |
1050 | ||
1051 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1052 | order++) { | |
1053 | for (dai = 0; dai < card->num_rtd; dai++) | |
1054 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1055 | } |
62ae68fa | 1056 | |
0671fd8e KM |
1057 | card->num_rtd = 0; |
1058 | } | |
1059 | ||
ead9b919 | 1060 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1061 | struct snd_soc_component *component) |
ead9b919 JN |
1062 | { |
1063 | int i; | |
1064 | ||
ff819b83 | 1065 | if (card->codec_conf == NULL) |
ead9b919 JN |
1066 | return; |
1067 | ||
ff819b83 DP |
1068 | for (i = 0; i < card->num_configs; i++) { |
1069 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1070 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1071 | continue; |
94f99c87 | 1072 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1073 | continue; |
94f99c87 | 1074 | component->name_prefix = map->name_prefix; |
3ca041ed | 1075 | break; |
ead9b919 JN |
1076 | } |
1077 | } | |
1078 | ||
f1d45cc3 LPC |
1079 | static int soc_probe_component(struct snd_soc_card *card, |
1080 | struct snd_soc_component *component) | |
589c3563 | 1081 | { |
f1d45cc3 | 1082 | struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
888df395 | 1083 | struct snd_soc_dai *dai; |
f1d45cc3 | 1084 | int ret; |
589c3563 | 1085 | |
70090bbb LPC |
1086 | if (component->probed) |
1087 | return 0; | |
589c3563 | 1088 | |
f1d45cc3 LPC |
1089 | component->card = card; |
1090 | dapm->card = card; | |
1091 | soc_set_name_prefix(card, component); | |
589c3563 | 1092 | |
f1d45cc3 | 1093 | if (!try_module_get(component->dev->driver->owner)) |
70d29331 JN |
1094 | return -ENODEV; |
1095 | ||
f1d45cc3 | 1096 | soc_init_component_debugfs(component); |
d5d1e0be | 1097 | |
f1d45cc3 LPC |
1098 | if (component->dapm_widgets) { |
1099 | ret = snd_soc_dapm_new_controls(dapm, component->dapm_widgets, | |
1100 | component->num_dapm_widgets); | |
b318ad50 NP |
1101 | |
1102 | if (ret != 0) { | |
f1d45cc3 | 1103 | dev_err(component->dev, |
b318ad50 NP |
1104 | "Failed to create new controls %d\n", ret); |
1105 | goto err_probe; | |
1106 | } | |
1107 | } | |
77530150 | 1108 | |
0634814f LPC |
1109 | list_for_each_entry(dai, &component->dai_list, list) { |
1110 | ret = snd_soc_dapm_new_dai_widgets(dapm, dai); | |
261edc70 | 1111 | if (ret != 0) { |
0634814f | 1112 | dev_err(component->dev, |
261edc70 NP |
1113 | "Failed to create DAI widgets %d\n", ret); |
1114 | goto err_probe; | |
1115 | } | |
1116 | } | |
888df395 | 1117 | |
f1d45cc3 LPC |
1118 | if (component->probe) { |
1119 | ret = component->probe(component); | |
589c3563 | 1120 | if (ret < 0) { |
f1d45cc3 LPC |
1121 | dev_err(component->dev, |
1122 | "ASoC: failed to probe component %d\n", ret); | |
70d29331 | 1123 | goto err_probe; |
589c3563 | 1124 | } |
cb2cf612 | 1125 | |
f1d45cc3 LPC |
1126 | WARN(dapm->idle_bias_off && |
1127 | dapm->bias_level != SND_SOC_BIAS_OFF, | |
1128 | "codec %s can not start from non-off bias with idle_bias_off==1\n", | |
1129 | component->name); | |
be09ad90 LG |
1130 | } |
1131 | ||
f1d45cc3 LPC |
1132 | if (component->controls) |
1133 | snd_soc_add_component_controls(component, component->controls, | |
1134 | component->num_controls); | |
1135 | if (component->dapm_routes) | |
1136 | snd_soc_dapm_add_routes(dapm, component->dapm_routes, | |
1137 | component->num_dapm_routes); | |
3fec6b6d | 1138 | |
f1d45cc3 LPC |
1139 | component->probed = 1; |
1140 | list_add(&dapm->list, &card->dapm_list); | |
cb2cf612 | 1141 | |
f1d45cc3 LPC |
1142 | /* This is a HACK and will be removed soon */ |
1143 | if (component->codec) | |
1144 | list_add(&component->codec->card_list, &card->codec_dev_list); | |
956245e9 LG |
1145 | |
1146 | return 0; | |
1147 | ||
1148 | err_probe: | |
f1d45cc3 LPC |
1149 | soc_cleanup_component_debugfs(component); |
1150 | module_put(component->dev->driver->owner); | |
956245e9 LG |
1151 | |
1152 | return ret; | |
1153 | } | |
1154 | ||
36ae1a96 MB |
1155 | static void rtd_release(struct device *dev) |
1156 | { | |
1157 | kfree(dev); | |
1158 | } | |
f0fba2ad | 1159 | |
5f3484ac LPC |
1160 | static int soc_post_component_init(struct snd_soc_pcm_runtime *rtd, |
1161 | const char *name) | |
503ae5e0 | 1162 | { |
589c3563 JN |
1163 | int ret = 0; |
1164 | ||
589c3563 | 1165 | /* register the rtd device */ |
36ae1a96 MB |
1166 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1167 | if (!rtd->dev) | |
1168 | return -ENOMEM; | |
1169 | device_initialize(rtd->dev); | |
5f3484ac | 1170 | rtd->dev->parent = rtd->card->dev; |
36ae1a96 | 1171 | rtd->dev->release = rtd_release; |
f294afed | 1172 | dev_set_name(rtd->dev, "%s", name); |
36ae1a96 | 1173 | dev_set_drvdata(rtd->dev, rtd); |
b8c0dab9 | 1174 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1175 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1176 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1177 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1178 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1179 | ret = device_add(rtd->dev); |
589c3563 | 1180 | if (ret < 0) { |
865df9cb CL |
1181 | /* calling put_device() here to free the rtd->dev */ |
1182 | put_device(rtd->dev); | |
5f3484ac | 1183 | dev_err(rtd->card->dev, |
f110bfc7 | 1184 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1185 | return ret; |
1186 | } | |
1187 | rtd->dev_registered = 1; | |
1188 | ||
93c3ce76 LPC |
1189 | if (rtd->codec) { |
1190 | /* add DAPM sysfs entries for this codec */ | |
1191 | ret = snd_soc_dapm_sys_add(rtd->dev); | |
1192 | if (ret < 0) | |
1193 | dev_err(rtd->dev, | |
1194 | "ASoC: failed to add codec dapm sysfs entries: %d\n", | |
1195 | ret); | |
589c3563 | 1196 | |
93c3ce76 LPC |
1197 | /* add codec sysfs entries */ |
1198 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); | |
1199 | if (ret < 0) | |
1200 | dev_err(rtd->dev, | |
1201 | "ASoC: failed to add codec sysfs files: %d\n", | |
1202 | ret); | |
1203 | } | |
589c3563 JN |
1204 | |
1205 | return 0; | |
1206 | } | |
1207 | ||
62ae68fa SW |
1208 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1209 | int order) | |
1210 | { | |
1211 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
62ae68fa | 1212 | struct snd_soc_platform *platform = rtd->platform; |
f1d45cc3 | 1213 | struct snd_soc_component *component; |
88bd870f | 1214 | int i, ret; |
62ae68fa SW |
1215 | |
1216 | /* probe the CPU-side component, if it is a CODEC */ | |
61aca564 | 1217 | component = rtd->cpu_dai->component; |
70090bbb | 1218 | if (component->driver->probe_order == order) { |
61aca564 | 1219 | ret = soc_probe_component(card, component); |
62ae68fa SW |
1220 | if (ret < 0) |
1221 | return ret; | |
1222 | } | |
1223 | ||
88bd870f BC |
1224 | /* probe the CODEC-side components */ |
1225 | for (i = 0; i < rtd->num_codecs; i++) { | |
61aca564 | 1226 | component = rtd->codec_dais[i]->component; |
70090bbb | 1227 | if (component->driver->probe_order == order) { |
f1d45cc3 | 1228 | ret = soc_probe_component(card, component); |
88bd870f BC |
1229 | if (ret < 0) |
1230 | return ret; | |
1231 | } | |
62ae68fa SW |
1232 | } |
1233 | ||
1234 | /* probe the platform */ | |
70090bbb | 1235 | if (platform->component.driver->probe_order == order) { |
f1d45cc3 | 1236 | ret = soc_probe_component(card, &platform->component); |
62ae68fa SW |
1237 | if (ret < 0) |
1238 | return ret; | |
1239 | } | |
1240 | ||
1241 | return 0; | |
1242 | } | |
1243 | ||
b0aa88af MLC |
1244 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1245 | struct snd_soc_dai *codec_dai, | |
1246 | int order) | |
1247 | { | |
1248 | int ret; | |
1249 | ||
1250 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1251 | if (codec_dai->driver->probe) { | |
1252 | ret = codec_dai->driver->probe(codec_dai); | |
1253 | if (ret < 0) { | |
1254 | dev_err(codec_dai->dev, | |
1255 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1256 | codec_dai->name, ret); | |
1257 | return ret; | |
1258 | } | |
1259 | } | |
1260 | ||
1261 | /* mark codec_dai as probed and add to card dai list */ | |
1262 | codec_dai->probed = 1; | |
b0aa88af MLC |
1263 | } |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
2436a723 MLC |
1268 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1269 | struct snd_soc_dai_link *dai_link, | |
3f901a02 | 1270 | struct snd_soc_pcm_runtime *rtd) |
2436a723 | 1271 | { |
3f901a02 BC |
1272 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
1273 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
2436a723 MLC |
1274 | struct snd_soc_dapm_widget *play_w, *capture_w; |
1275 | int ret; | |
1276 | ||
88bd870f BC |
1277 | if (rtd->num_codecs > 1) |
1278 | dev_warn(card->dev, "ASoC: Multiple codecs not supported yet\n"); | |
1279 | ||
2436a723 MLC |
1280 | /* link the DAI widgets */ |
1281 | play_w = codec_dai->playback_widget; | |
1282 | capture_w = cpu_dai->capture_widget; | |
1283 | if (play_w && capture_w) { | |
1284 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1285 | capture_w, play_w); | |
1286 | if (ret != 0) { | |
1287 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1288 | play_w->name, capture_w->name, ret); | |
1289 | return ret; | |
1290 | } | |
1291 | } | |
1292 | ||
1293 | play_w = cpu_dai->playback_widget; | |
1294 | capture_w = codec_dai->capture_widget; | |
1295 | if (play_w && capture_w) { | |
1296 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1297 | capture_w, play_w); | |
1298 | if (ret != 0) { | |
1299 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1300 | play_w->name, capture_w->name, ret); | |
1301 | return ret; | |
1302 | } | |
1303 | } | |
1304 | ||
1305 | return 0; | |
1306 | } | |
1307 | ||
62ae68fa | 1308 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1309 | { |
1310 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1311 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
c74184ed | 1312 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
88bd870f | 1313 | int i, ret; |
f0fba2ad | 1314 | |
f110bfc7 | 1315 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1316 | card->name, num, order); |
f0fba2ad LG |
1317 | |
1318 | /* config components */ | |
f0fba2ad | 1319 | cpu_dai->card = card; |
88bd870f BC |
1320 | for (i = 0; i < rtd->num_codecs; i++) |
1321 | rtd->codec_dais[i]->card = card; | |
f0fba2ad LG |
1322 | |
1323 | /* set default power off timeout */ | |
1324 | rtd->pmdown_time = pmdown_time; | |
1325 | ||
1326 | /* probe the cpu_dai */ | |
0168bf0d LG |
1327 | if (!cpu_dai->probed && |
1328 | cpu_dai->driver->probe_order == order) { | |
f0fba2ad LG |
1329 | if (cpu_dai->driver->probe) { |
1330 | ret = cpu_dai->driver->probe(cpu_dai); | |
1331 | if (ret < 0) { | |
f110bfc7 LG |
1332 | dev_err(cpu_dai->dev, |
1333 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1334 | cpu_dai->name, ret); | |
f0fba2ad LG |
1335 | return ret; |
1336 | } | |
1337 | } | |
1338 | cpu_dai->probed = 1; | |
db2a4165 FM |
1339 | } |
1340 | ||
f0fba2ad | 1341 | /* probe the CODEC DAI */ |
88bd870f BC |
1342 | for (i = 0; i < rtd->num_codecs; i++) { |
1343 | ret = soc_probe_codec_dai(card, rtd->codec_dais[i], order); | |
1344 | if (ret) | |
1345 | return ret; | |
1346 | } | |
fe3e78e0 | 1347 | |
0168bf0d LG |
1348 | /* complete DAI probe during last probe */ |
1349 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1350 | return 0; | |
1351 | ||
5f3484ac LPC |
1352 | /* do machine specific initialization */ |
1353 | if (dai_link->init) { | |
1354 | ret = dai_link->init(rtd); | |
1355 | if (ret < 0) { | |
1356 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1357 | dai_link->name, ret); | |
1358 | return ret; | |
1359 | } | |
1360 | } | |
1361 | ||
1362 | ret = soc_post_component_init(rtd, dai_link->name); | |
589c3563 | 1363 | if (ret) |
f0fba2ad | 1364 | return ret; |
fe3e78e0 | 1365 | |
5f3484ac LPC |
1366 | #ifdef CONFIG_DEBUG_FS |
1367 | /* add DPCM sysfs entries */ | |
1368 | if (dai_link->dynamic) { | |
1369 | ret = soc_dpcm_debugfs_add(rtd); | |
1370 | if (ret < 0) { | |
1371 | dev_err(rtd->dev, | |
1372 | "ASoC: failed to add dpcm sysfs entries: %d\n", | |
1373 | ret); | |
1374 | return ret; | |
1375 | } | |
1376 | } | |
1377 | #endif | |
1378 | ||
36ae1a96 | 1379 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1380 | if (ret < 0) |
f110bfc7 LG |
1381 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1382 | ret); | |
f0fba2ad | 1383 | |
1245b700 NK |
1384 | if (cpu_dai->driver->compress_dai) { |
1385 | /*create compress_device"*/ | |
1386 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1387 | if (ret < 0) { |
f110bfc7 | 1388 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1389 | dai_link->stream_name); |
c74184ed MB |
1390 | return ret; |
1391 | } | |
1392 | } else { | |
1245b700 NK |
1393 | |
1394 | if (!dai_link->params) { | |
1395 | /* create the pcm */ | |
1396 | ret = soc_new_pcm(rtd, num); | |
1397 | if (ret < 0) { | |
f110bfc7 | 1398 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1399 | dai_link->stream_name, ret); |
c74184ed MB |
1400 | return ret; |
1401 | } | |
1245b700 | 1402 | } else { |
9d58a077 RF |
1403 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1404 | codec2codec_close_delayed_work); | |
1405 | ||
1245b700 | 1406 | /* link the DAI widgets */ |
3f901a02 | 1407 | ret = soc_link_dai_widgets(card, dai_link, rtd); |
2436a723 MLC |
1408 | if (ret) |
1409 | return ret; | |
c74184ed | 1410 | } |
f0fba2ad LG |
1411 | } |
1412 | ||
1413 | /* add platform data for AC97 devices */ | |
88bd870f BC |
1414 | for (i = 0; i < rtd->num_codecs; i++) { |
1415 | if (rtd->codec_dais[i]->driver->ac97_control) | |
1416 | snd_ac97_dev_add_pdata(rtd->codec_dais[i]->codec->ac97, | |
1417 | rtd->cpu_dai->ac97_pdata); | |
1418 | } | |
f0fba2ad LG |
1419 | |
1420 | return 0; | |
1421 | } | |
1422 | ||
fe3e78e0 | 1423 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 MLC |
1424 | static int soc_register_ac97_codec(struct snd_soc_codec *codec, |
1425 | struct snd_soc_dai *codec_dai) | |
f0fba2ad LG |
1426 | { |
1427 | int ret; | |
1428 | ||
fe3e78e0 MB |
1429 | /* Only instantiate AC97 if not already done by the adaptor |
1430 | * for the generic AC97 subsystem. | |
1431 | */ | |
02c9c7b9 | 1432 | if (codec_dai->driver->ac97_control && !codec->ac97_registered) { |
0562f788 MW |
1433 | /* |
1434 | * It is possible that the AC97 device is already registered to | |
1435 | * the device subsystem. This happens when the device is created | |
1436 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1437 | * is the generic AC97 glue but others migh emerge. | |
1438 | * | |
1439 | * In those cases we don't try to register the device again. | |
1440 | */ | |
02c9c7b9 | 1441 | if (!codec->ac97_created) |
0562f788 | 1442 | return 0; |
f0fba2ad | 1443 | |
02c9c7b9 | 1444 | ret = soc_ac97_dev_register(codec); |
fe3e78e0 | 1445 | if (ret < 0) { |
02c9c7b9 | 1446 | dev_err(codec->dev, |
f110bfc7 | 1447 | "ASoC: AC97 device register failed: %d\n", ret); |
f0fba2ad | 1448 | return ret; |
fe3e78e0 | 1449 | } |
f0fba2ad | 1450 | |
02c9c7b9 | 1451 | codec->ac97_registered = 1; |
fe3e78e0 | 1452 | } |
f0fba2ad LG |
1453 | return 0; |
1454 | } | |
1455 | ||
02c9c7b9 | 1456 | static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) |
f0fba2ad LG |
1457 | { |
1458 | if (codec->ac97_registered) { | |
1459 | soc_ac97_dev_unregister(codec); | |
1460 | codec->ac97_registered = 0; | |
1461 | } | |
1462 | } | |
02c9c7b9 | 1463 | |
88bd870f BC |
1464 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1465 | { | |
1466 | int i, ret; | |
1467 | ||
1468 | for (i = 0; i < rtd->num_codecs; i++) { | |
1469 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; | |
1470 | ||
1471 | ret = soc_register_ac97_codec(codec_dai->codec, codec_dai); | |
1472 | if (ret) { | |
1473 | while (--i >= 0) | |
1474 | soc_unregister_ac97_codec(codec_dai->codec); | |
1475 | return ret; | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | return 0; | |
1480 | } | |
1481 | ||
02c9c7b9 MLC |
1482 | static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1483 | { | |
88bd870f BC |
1484 | int i; |
1485 | ||
1486 | for (i = 0; i < rtd->num_codecs; i++) | |
1487 | soc_unregister_ac97_codec(rtd->codec_dais[i]->codec); | |
02c9c7b9 | 1488 | } |
fe3e78e0 MB |
1489 | #endif |
1490 | ||
44c69bb1 | 1491 | static int soc_bind_aux_dev(struct snd_soc_card *card, int num) |
3ca041ed | 1492 | { |
44c69bb1 | 1493 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
3ca041ed | 1494 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
65d9361f | 1495 | const char *name = aux_dev->codec_name; |
3ca041ed | 1496 | |
65d9361f LPC |
1497 | rtd->component = soc_find_component(aux_dev->codec_of_node, name); |
1498 | if (!rtd->component) { | |
3ca041ed | 1499 | if (aux_dev->codec_of_node) |
65d9361f | 1500 | name = of_node_full_name(aux_dev->codec_of_node); |
3ca041ed | 1501 | |
65d9361f | 1502 | dev_err(card->dev, "ASoC: %s not registered\n", name); |
3ca041ed SR |
1503 | return -EPROBE_DEFER; |
1504 | } | |
fb099cb7 | 1505 | |
65d9361f LPC |
1506 | /* |
1507 | * Some places still reference rtd->codec, so we have to keep that | |
1508 | * initialized if the component is a CODEC. Once all those references | |
1509 | * have been removed, this code can be removed as well. | |
1510 | */ | |
1511 | rtd->codec = rtd->component->codec; | |
1512 | ||
44c69bb1 | 1513 | return 0; |
b19e6e7b MB |
1514 | } |
1515 | ||
2eea392d JN |
1516 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1517 | { | |
44c69bb1 | 1518 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
2eea392d | 1519 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
44c69bb1 | 1520 | int ret; |
3ca041ed | 1521 | |
65d9361f | 1522 | ret = soc_probe_component(card, rtd->component); |
2eea392d | 1523 | if (ret < 0) |
589c3563 | 1524 | return ret; |
2eea392d | 1525 | |
5f3484ac LPC |
1526 | /* do machine specific initialization */ |
1527 | if (aux_dev->init) { | |
57bf7726 | 1528 | ret = aux_dev->init(rtd->component); |
5f3484ac LPC |
1529 | if (ret < 0) { |
1530 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", | |
1531 | aux_dev->name, ret); | |
1532 | return ret; | |
1533 | } | |
1534 | } | |
2eea392d | 1535 | |
5f3484ac | 1536 | return soc_post_component_init(rtd, aux_dev->name); |
2eea392d JN |
1537 | } |
1538 | ||
1539 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1540 | { | |
1541 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
65d9361f | 1542 | struct snd_soc_component *component = rtd->component; |
2eea392d JN |
1543 | |
1544 | /* unregister the rtd device */ | |
1545 | if (rtd->dev_registered) { | |
36ae1a96 | 1546 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1547 | device_unregister(rtd->dev); |
2eea392d JN |
1548 | rtd->dev_registered = 0; |
1549 | } | |
1550 | ||
65d9361f LPC |
1551 | if (component && component->probed) |
1552 | soc_remove_component(component); | |
2eea392d JN |
1553 | } |
1554 | ||
f90fb3f7 | 1555 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1556 | { |
1557 | int ret; | |
1558 | ||
1559 | if (codec->cache_init) | |
1560 | return 0; | |
1561 | ||
fdf0f54d DP |
1562 | ret = snd_soc_cache_init(codec); |
1563 | if (ret < 0) { | |
10e8aa9a MM |
1564 | dev_err(codec->dev, |
1565 | "ASoC: Failed to set cache compression type: %d\n", | |
1566 | ret); | |
fdf0f54d DP |
1567 | return ret; |
1568 | } | |
1569 | codec->cache_init = 1; | |
1570 | return 0; | |
1571 | } | |
1572 | ||
b19e6e7b | 1573 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1574 | { |
fdf0f54d | 1575 | struct snd_soc_codec *codec; |
75d9ac46 | 1576 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1577 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1578 | |
01b9d99a | 1579 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1580 | |
f0fba2ad | 1581 | /* bind DAIs */ |
b19e6e7b MB |
1582 | for (i = 0; i < card->num_links; i++) { |
1583 | ret = soc_bind_dai_link(card, i); | |
1584 | if (ret != 0) | |
1585 | goto base_error; | |
1586 | } | |
fe3e78e0 | 1587 | |
44c69bb1 | 1588 | /* bind aux_devs too */ |
b19e6e7b | 1589 | for (i = 0; i < card->num_aux_devs; i++) { |
44c69bb1 | 1590 | ret = soc_bind_aux_dev(card, i); |
b19e6e7b MB |
1591 | if (ret != 0) |
1592 | goto base_error; | |
f0fba2ad | 1593 | } |
435c5e25 | 1594 | |
fdf0f54d DP |
1595 | /* initialize the register cache for each available codec */ |
1596 | list_for_each_entry(codec, &codec_list, list) { | |
1597 | if (codec->cache_init) | |
1598 | continue; | |
f90fb3f7 | 1599 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1600 | if (ret < 0) |
1601 | goto base_error; | |
fdf0f54d DP |
1602 | } |
1603 | ||
f0fba2ad | 1604 | /* card bind complete so register a sound card */ |
102b5a8d | 1605 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1606 | card->owner, 0, &card->snd_card); |
1607 | if (ret < 0) { | |
10e8aa9a MM |
1608 | dev_err(card->dev, |
1609 | "ASoC: can't create sound card for card %s: %d\n", | |
1610 | card->name, ret); | |
b19e6e7b | 1611 | goto base_error; |
f0fba2ad | 1612 | } |
f0fba2ad | 1613 | |
e37a4970 MB |
1614 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1615 | card->dapm.dev = card->dev; | |
1616 | card->dapm.card = card; | |
1617 | list_add(&card->dapm.list, &card->dapm_list); | |
1618 | ||
d5d1e0be LPC |
1619 | #ifdef CONFIG_DEBUG_FS |
1620 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1621 | #endif | |
1622 | ||
88ee1c61 | 1623 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1624 | /* deferred resume work */ |
1625 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1626 | #endif | |
db2a4165 | 1627 | |
9a841ebb MB |
1628 | if (card->dapm_widgets) |
1629 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1630 | card->num_dapm_widgets); | |
1631 | ||
f0fba2ad LG |
1632 | /* initialise the sound card only once */ |
1633 | if (card->probe) { | |
e7361ec4 | 1634 | ret = card->probe(card); |
f0fba2ad LG |
1635 | if (ret < 0) |
1636 | goto card_probe_error; | |
1637 | } | |
fe3e78e0 | 1638 | |
62ae68fa | 1639 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1640 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1641 | order++) { | |
1642 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1643 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1644 | if (ret < 0) { |
f110bfc7 LG |
1645 | dev_err(card->dev, |
1646 | "ASoC: failed to instantiate card %d\n", | |
1647 | ret); | |
62ae68fa SW |
1648 | goto probe_dai_err; |
1649 | } | |
1650 | } | |
1651 | } | |
1652 | ||
1653 | /* probe all DAI links on this card */ | |
1654 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1655 | order++) { | |
1656 | for (i = 0; i < card->num_links; i++) { | |
1657 | ret = soc_probe_link_dais(card, i, order); | |
1658 | if (ret < 0) { | |
f110bfc7 LG |
1659 | dev_err(card->dev, |
1660 | "ASoC: failed to instantiate card %d\n", | |
1661 | ret); | |
0168bf0d LG |
1662 | goto probe_dai_err; |
1663 | } | |
f0fba2ad LG |
1664 | } |
1665 | } | |
db2a4165 | 1666 | |
2eea392d JN |
1667 | for (i = 0; i < card->num_aux_devs; i++) { |
1668 | ret = soc_probe_aux_dev(card, i); | |
1669 | if (ret < 0) { | |
f110bfc7 LG |
1670 | dev_err(card->dev, |
1671 | "ASoC: failed to add auxiliary devices %d\n", | |
1672 | ret); | |
2eea392d JN |
1673 | goto probe_aux_dev_err; |
1674 | } | |
1675 | } | |
1676 | ||
888df395 | 1677 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1678 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1679 | |
b7af1daf | 1680 | if (card->controls) |
022658be | 1681 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1682 | |
b8ad29de MB |
1683 | if (card->dapm_routes) |
1684 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1685 | card->num_dapm_routes); | |
1686 | ||
75d9ac46 | 1687 | for (i = 0; i < card->num_links; i++) { |
88bd870f | 1688 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
75d9ac46 | 1689 | dai_link = &card->dai_link[i]; |
f04209a7 | 1690 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1691 | |
f04209a7 | 1692 | if (dai_fmt) { |
88bd870f BC |
1693 | struct snd_soc_dai **codec_dais = rtd->codec_dais; |
1694 | int j; | |
1695 | ||
1696 | for (j = 0; j < rtd->num_codecs; j++) { | |
1697 | struct snd_soc_dai *codec_dai = codec_dais[j]; | |
1698 | ||
1699 | ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); | |
1700 | if (ret != 0 && ret != -ENOTSUPP) | |
1701 | dev_warn(codec_dai->dev, | |
1702 | "ASoC: Failed to set DAI format: %d\n", | |
1703 | ret); | |
1704 | } | |
f04209a7 MB |
1705 | } |
1706 | ||
1707 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1708 | if (dai_fmt && |
1709 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1710 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1711 | dai_fmt); | |
1712 | if (ret != 0 && ret != -ENOTSUPP) | |
1713 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1714 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1715 | ret); |
1716 | } else if (dai_fmt) { | |
1717 | /* Flip the polarity for the "CPU" end */ | |
1718 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1719 | switch (dai_link->dai_fmt & | |
1720 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1721 | case SND_SOC_DAIFMT_CBM_CFM: | |
1722 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1723 | break; | |
1724 | case SND_SOC_DAIFMT_CBM_CFS: | |
1725 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1726 | break; | |
1727 | case SND_SOC_DAIFMT_CBS_CFM: | |
1728 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1729 | break; | |
1730 | case SND_SOC_DAIFMT_CBS_CFS: | |
1731 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1732 | break; | |
1733 | } | |
75d9ac46 MB |
1734 | |
1735 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1736 | dai_fmt); |
5e4ba569 | 1737 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1738 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1739 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1740 | ret); |
1741 | } | |
1742 | } | |
1743 | ||
f0fba2ad | 1744 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1745 | "%s", card->name); |
22de71ba LG |
1746 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1747 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1748 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1749 | "%s", card->driver_name ? card->driver_name : card->name); | |
1750 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1751 | switch (card->snd_card->driver[i]) { | |
1752 | case '_': | |
1753 | case '-': | |
1754 | case '\0': | |
1755 | break; | |
1756 | default: | |
1757 | if (!isalnum(card->snd_card->driver[i])) | |
1758 | card->snd_card->driver[i] = '_'; | |
1759 | break; | |
1760 | } | |
1761 | } | |
f0fba2ad | 1762 | |
28e9ad92 MB |
1763 | if (card->late_probe) { |
1764 | ret = card->late_probe(card); | |
1765 | if (ret < 0) { | |
f110bfc7 | 1766 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1767 | card->name, ret); |
1768 | goto probe_aux_dev_err; | |
1769 | } | |
1770 | } | |
1771 | ||
1633281b | 1772 | if (card->fully_routed) |
7df37884 | 1773 | snd_soc_dapm_auto_nc_pins(card); |
1633281b | 1774 | |
824ef826 | 1775 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1776 | |
f0fba2ad LG |
1777 | ret = snd_card_register(card->snd_card); |
1778 | if (ret < 0) { | |
f110bfc7 LG |
1779 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1780 | ret); | |
6b3ed785 | 1781 | goto probe_aux_dev_err; |
db2a4165 FM |
1782 | } |
1783 | ||
f0fba2ad LG |
1784 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1785 | /* register any AC97 codecs */ | |
1786 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1787 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1788 | if (ret < 0) { | |
10e8aa9a MM |
1789 | dev_err(card->dev, |
1790 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1791 | while (--i >= 0) |
02c9c7b9 | 1792 | soc_unregister_ac97_dai_link(&card->rtd[i]); |
6b3ed785 | 1793 | goto probe_aux_dev_err; |
f0fba2ad | 1794 | } |
6b3ed785 | 1795 | } |
f0fba2ad LG |
1796 | #endif |
1797 | ||
1798 | card->instantiated = 1; | |
4f4c0072 | 1799 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1800 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1801 | |
1802 | return 0; | |
f0fba2ad | 1803 | |
2eea392d JN |
1804 | probe_aux_dev_err: |
1805 | for (i = 0; i < card->num_aux_devs; i++) | |
1806 | soc_remove_aux_dev(card, i); | |
1807 | ||
f0fba2ad | 1808 | probe_dai_err: |
0671fd8e | 1809 | soc_remove_dai_links(card); |
f0fba2ad LG |
1810 | |
1811 | card_probe_error: | |
87506549 | 1812 | if (card->remove) |
e7361ec4 | 1813 | card->remove(card); |
f0fba2ad LG |
1814 | |
1815 | snd_card_free(card->snd_card); | |
1816 | ||
b19e6e7b | 1817 | base_error: |
f0fba2ad | 1818 | mutex_unlock(&card->mutex); |
db2a4165 | 1819 | |
b19e6e7b | 1820 | return ret; |
435c5e25 MB |
1821 | } |
1822 | ||
1823 | /* probes a new socdev */ | |
1824 | static int soc_probe(struct platform_device *pdev) | |
1825 | { | |
f0fba2ad | 1826 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1827 | |
70a7ca34 VK |
1828 | /* |
1829 | * no card, so machine driver should be registering card | |
1830 | * we should not be here in that case so ret error | |
1831 | */ | |
1832 | if (!card) | |
1833 | return -EINVAL; | |
1834 | ||
fe4085e8 | 1835 | dev_warn(&pdev->dev, |
f110bfc7 | 1836 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1837 | card->name); |
1838 | ||
435c5e25 MB |
1839 | /* Bodge while we unpick instantiation */ |
1840 | card->dev = &pdev->dev; | |
f0fba2ad | 1841 | |
28d528c8 | 1842 | return snd_soc_register_card(card); |
db2a4165 FM |
1843 | } |
1844 | ||
b0e26485 | 1845 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1846 | { |
1847 | int i; | |
db2a4165 | 1848 | |
b0e26485 VK |
1849 | /* make sure any delayed work runs */ |
1850 | for (i = 0; i < card->num_rtd; i++) { | |
1851 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1852 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1853 | } |
914dc182 | 1854 | |
b0e26485 VK |
1855 | /* remove auxiliary devices */ |
1856 | for (i = 0; i < card->num_aux_devs; i++) | |
1857 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1858 | |
b0e26485 | 1859 | /* remove and free each DAI */ |
0671fd8e | 1860 | soc_remove_dai_links(card); |
2eea392d | 1861 | |
b0e26485 | 1862 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1863 | |
b0e26485 VK |
1864 | /* remove the card */ |
1865 | if (card->remove) | |
e7361ec4 | 1866 | card->remove(card); |
a6052154 | 1867 | |
0aaae527 LPC |
1868 | snd_soc_dapm_free(&card->dapm); |
1869 | ||
b0e26485 VK |
1870 | snd_card_free(card->snd_card); |
1871 | return 0; | |
1872 | ||
1873 | } | |
1874 | ||
1875 | /* removes a socdev */ | |
1876 | static int soc_remove(struct platform_device *pdev) | |
1877 | { | |
1878 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1879 | |
c5af3a2e | 1880 | snd_soc_unregister_card(card); |
db2a4165 FM |
1881 | return 0; |
1882 | } | |
1883 | ||
6f8ab4ac | 1884 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1885 | { |
6f8ab4ac | 1886 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1887 | int i; |
51737470 MB |
1888 | |
1889 | if (!card->instantiated) | |
416356fc | 1890 | return 0; |
51737470 MB |
1891 | |
1892 | /* Flush out pmdown_time work - we actually do want to run it | |
1893 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
1894 | for (i = 0; i < card->num_rtd; i++) { |
1895 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1896 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 1897 | } |
51737470 | 1898 | |
f0fba2ad | 1899 | snd_soc_dapm_shutdown(card); |
416356fc | 1900 | |
988e8cc4 NC |
1901 | /* deactivate pins to sleep state */ |
1902 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
1903 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
1904 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1905 | int j; | |
1906 | ||
988e8cc4 | 1907 | pinctrl_pm_select_sleep_state(cpu_dai->dev); |
88bd870f BC |
1908 | for (j = 0; j < rtd->num_codecs; j++) { |
1909 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
1910 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
1911 | } | |
988e8cc4 NC |
1912 | } |
1913 | ||
416356fc | 1914 | return 0; |
51737470 | 1915 | } |
6f8ab4ac | 1916 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 1917 | |
6f8ab4ac | 1918 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
1919 | .suspend = snd_soc_suspend, |
1920 | .resume = snd_soc_resume, | |
1921 | .freeze = snd_soc_suspend, | |
1922 | .thaw = snd_soc_resume, | |
6f8ab4ac | 1923 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 1924 | .restore = snd_soc_resume, |
416356fc | 1925 | }; |
deb2607e | 1926 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 1927 | |
db2a4165 FM |
1928 | /* ASoC platform driver */ |
1929 | static struct platform_driver soc_driver = { | |
1930 | .driver = { | |
1931 | .name = "soc-audio", | |
8b45a209 | 1932 | .owner = THIS_MODULE, |
6f8ab4ac | 1933 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
1934 | }, |
1935 | .probe = soc_probe, | |
1936 | .remove = soc_remove, | |
db2a4165 FM |
1937 | }; |
1938 | ||
db2a4165 FM |
1939 | /** |
1940 | * snd_soc_new_ac97_codec - initailise AC97 device | |
1941 | * @codec: audio codec | |
1942 | * @ops: AC97 bus operations | |
1943 | * @num: AC97 codec number | |
1944 | * | |
1945 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
1946 | */ | |
1947 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
1948 | struct snd_ac97_bus_ops *ops, int num) | |
1949 | { | |
db2a4165 | 1950 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); |
e3f205a7 | 1951 | if (codec->ac97 == NULL) |
db2a4165 | 1952 | return -ENOMEM; |
db2a4165 FM |
1953 | |
1954 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
1955 | if (codec->ac97->bus == NULL) { | |
1956 | kfree(codec->ac97); | |
1957 | codec->ac97 = NULL; | |
db2a4165 FM |
1958 | return -ENOMEM; |
1959 | } | |
1960 | ||
1961 | codec->ac97->bus->ops = ops; | |
1962 | codec->ac97->num = num; | |
0562f788 MW |
1963 | |
1964 | /* | |
1965 | * Mark the AC97 device to be created by us. This way we ensure that the | |
1966 | * device will be registered with the device subsystem later on. | |
1967 | */ | |
1968 | codec->ac97_created = 1; | |
1969 | ||
db2a4165 FM |
1970 | return 0; |
1971 | } | |
1972 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
1973 | ||
741a509f MP |
1974 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
1975 | ||
1976 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
1977 | { | |
1978 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
1979 | ||
1980 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
1981 | ||
1982 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
1983 | ||
1984 | udelay(10); | |
1985 | ||
1986 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
1987 | ||
1988 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
1989 | msleep(2); | |
1990 | } | |
1991 | ||
1992 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
1993 | { | |
1994 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
1995 | ||
1996 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
1997 | ||
1998 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
1999 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2000 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2001 | ||
2002 | udelay(10); | |
2003 | ||
2004 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2005 | ||
2006 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2007 | msleep(2); | |
2008 | } | |
2009 | ||
2010 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2011 | struct snd_ac97_reset_cfg *cfg) | |
2012 | { | |
2013 | struct pinctrl *p; | |
2014 | struct pinctrl_state *state; | |
2015 | int gpio; | |
2016 | int ret; | |
2017 | ||
2018 | p = devm_pinctrl_get(dev); | |
2019 | if (IS_ERR(p)) { | |
2020 | dev_err(dev, "Failed to get pinctrl\n"); | |
b7580cde | 2021 | return PTR_ERR(p); |
741a509f MP |
2022 | } |
2023 | cfg->pctl = p; | |
2024 | ||
2025 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2026 | if (IS_ERR(state)) { | |
2027 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
b7580cde | 2028 | return PTR_ERR(state); |
741a509f MP |
2029 | } |
2030 | cfg->pstate_reset = state; | |
2031 | ||
2032 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2033 | if (IS_ERR(state)) { | |
2034 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
b7580cde | 2035 | return PTR_ERR(state); |
741a509f MP |
2036 | } |
2037 | cfg->pstate_warm_reset = state; | |
2038 | ||
2039 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2040 | if (IS_ERR(state)) { | |
2041 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
b7580cde | 2042 | return PTR_ERR(state); |
741a509f MP |
2043 | } |
2044 | cfg->pstate_run = state; | |
2045 | ||
2046 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2047 | if (gpio < 0) { | |
2048 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2049 | return gpio; | |
2050 | } | |
2051 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2052 | if (ret) { | |
2053 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2054 | return ret; | |
2055 | } | |
2056 | cfg->gpio_sync = gpio; | |
2057 | ||
2058 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2059 | if (gpio < 0) { | |
2060 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2061 | return gpio; | |
2062 | } | |
2063 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2064 | if (ret) { | |
2065 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2066 | return ret; | |
2067 | } | |
2068 | cfg->gpio_sdata = gpio; | |
2069 | ||
2070 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2071 | if (gpio < 0) { | |
2072 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2073 | return gpio; | |
2074 | } | |
2075 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2076 | if (ret) { | |
2077 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2078 | return ret; | |
2079 | } | |
2080 | cfg->gpio_reset = gpio; | |
2081 | ||
2082 | return 0; | |
2083 | } | |
2084 | ||
b047e1cc | 2085 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2086 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2087 | |
2088 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2089 | { | |
2090 | if (ops == soc_ac97_ops) | |
2091 | return 0; | |
2092 | ||
2093 | if (soc_ac97_ops && ops) | |
2094 | return -EBUSY; | |
2095 | ||
2096 | soc_ac97_ops = ops; | |
2097 | ||
2098 | return 0; | |
2099 | } | |
2100 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2101 | ||
741a509f MP |
2102 | /** |
2103 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2104 | * | |
2105 | * This function sets the reset and warm_reset properties of ops and parses | |
2106 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2107 | */ | |
2108 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2109 | struct platform_device *pdev) | |
2110 | { | |
2111 | struct device *dev = &pdev->dev; | |
2112 | struct snd_ac97_reset_cfg cfg; | |
2113 | int ret; | |
2114 | ||
2115 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2116 | if (ret) | |
2117 | return ret; | |
2118 | ||
2119 | ret = snd_soc_set_ac97_ops(ops); | |
2120 | if (ret) | |
2121 | return ret; | |
2122 | ||
2123 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2124 | ops->reset = snd_soc_ac97_reset; | |
2125 | ||
2126 | snd_ac97_rst_cfg = cfg; | |
2127 | return 0; | |
2128 | } | |
2129 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2130 | ||
db2a4165 FM |
2131 | /** |
2132 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2133 | * @codec: audio codec | |
2134 | * | |
2135 | * Frees AC97 codec device resources. | |
2136 | */ | |
2137 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2138 | { | |
f0fba2ad | 2139 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 | 2140 | soc_unregister_ac97_codec(codec); |
f0fba2ad | 2141 | #endif |
db2a4165 FM |
2142 | kfree(codec->ac97->bus); |
2143 | kfree(codec->ac97); | |
2144 | codec->ac97 = NULL; | |
0562f788 | 2145 | codec->ac97_created = 0; |
db2a4165 FM |
2146 | } |
2147 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2148 | ||
db2a4165 FM |
2149 | /** |
2150 | * snd_soc_cnew - create new control | |
2151 | * @_template: control template | |
2152 | * @data: control private data | |
ac11a2b3 | 2153 | * @long_name: control long name |
efb7ac3f | 2154 | * @prefix: control name prefix |
db2a4165 FM |
2155 | * |
2156 | * Create a new mixer control from a template control. | |
2157 | * | |
2158 | * Returns 0 for success, else error. | |
2159 | */ | |
2160 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2161 | void *data, const char *long_name, |
efb7ac3f | 2162 | const char *prefix) |
db2a4165 FM |
2163 | { |
2164 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2165 | struct snd_kcontrol *kcontrol; |
2166 | char *name = NULL; | |
db2a4165 FM |
2167 | |
2168 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2169 | template.index = 0; |
2170 | ||
efb7ac3f MB |
2171 | if (!long_name) |
2172 | long_name = template.name; | |
2173 | ||
2174 | if (prefix) { | |
2b581074 | 2175 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2176 | if (!name) |
2177 | return NULL; | |
2178 | ||
efb7ac3f MB |
2179 | template.name = name; |
2180 | } else { | |
2181 | template.name = long_name; | |
2182 | } | |
2183 | ||
2184 | kcontrol = snd_ctl_new1(&template, data); | |
2185 | ||
2186 | kfree(name); | |
2187 | ||
2188 | return kcontrol; | |
db2a4165 FM |
2189 | } |
2190 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2191 | ||
022658be LG |
2192 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2193 | const struct snd_kcontrol_new *controls, int num_controls, | |
2194 | const char *prefix, void *data) | |
2195 | { | |
2196 | int err, i; | |
2197 | ||
2198 | for (i = 0; i < num_controls; i++) { | |
2199 | const struct snd_kcontrol_new *control = &controls[i]; | |
2200 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2201 | control->name, prefix)); | |
2202 | if (err < 0) { | |
f110bfc7 LG |
2203 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2204 | control->name, err); | |
022658be LG |
2205 | return err; |
2206 | } | |
2207 | } | |
2208 | ||
2209 | return 0; | |
2210 | } | |
2211 | ||
4fefd698 DP |
2212 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2213 | const char *name) | |
2214 | { | |
2215 | struct snd_card *card = soc_card->snd_card; | |
2216 | struct snd_kcontrol *kctl; | |
2217 | ||
2218 | if (unlikely(!name)) | |
2219 | return NULL; | |
2220 | ||
2221 | list_for_each_entry(kctl, &card->controls, list) | |
2222 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2223 | return kctl; | |
2224 | return NULL; | |
2225 | } | |
2226 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2227 | ||
0f2780ad LPC |
2228 | /** |
2229 | * snd_soc_add_component_controls - Add an array of controls to a component. | |
2230 | * | |
2231 | * @component: Component to add controls to | |
2232 | * @controls: Array of controls to add | |
2233 | * @num_controls: Number of elements in the array | |
2234 | * | |
2235 | * Return: 0 for success, else error. | |
2236 | */ | |
2237 | int snd_soc_add_component_controls(struct snd_soc_component *component, | |
2238 | const struct snd_kcontrol_new *controls, unsigned int num_controls) | |
2239 | { | |
2240 | struct snd_card *card = component->card->snd_card; | |
2241 | ||
2242 | return snd_soc_add_controls(card, component->dev, controls, | |
2243 | num_controls, component->name_prefix, component); | |
2244 | } | |
2245 | EXPORT_SYMBOL_GPL(snd_soc_add_component_controls); | |
2246 | ||
3e8e1952 | 2247 | /** |
022658be LG |
2248 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2249 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2250 | * duplicating this code. |
2251 | * | |
2252 | * @codec: codec to add controls to | |
2253 | * @controls: array of controls to add | |
2254 | * @num_controls: number of elements in the array | |
2255 | * | |
2256 | * Return 0 for success, else error. | |
2257 | */ | |
022658be | 2258 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
0f2780ad | 2259 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
3e8e1952 | 2260 | { |
0f2780ad LPC |
2261 | return snd_soc_add_component_controls(&codec->component, controls, |
2262 | num_controls); | |
3e8e1952 | 2263 | } |
022658be | 2264 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2265 | |
a491a5c8 LG |
2266 | /** |
2267 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2268 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2269 | * |
2270 | * @platform: platform to add controls to | |
2271 | * @controls: array of controls to add | |
2272 | * @num_controls: number of elements in the array | |
2273 | * | |
2274 | * Return 0 for success, else error. | |
2275 | */ | |
2276 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
0f2780ad | 2277 | const struct snd_kcontrol_new *controls, unsigned int num_controls) |
a491a5c8 | 2278 | { |
0f2780ad LPC |
2279 | return snd_soc_add_component_controls(&platform->component, controls, |
2280 | num_controls); | |
a491a5c8 LG |
2281 | } |
2282 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2283 | ||
022658be LG |
2284 | /** |
2285 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2286 | * Convenience function to add a list of controls. | |
2287 | * | |
2288 | * @soc_card: SoC card to add controls to | |
2289 | * @controls: array of controls to add | |
2290 | * @num_controls: number of elements in the array | |
2291 | * | |
2292 | * Return 0 for success, else error. | |
2293 | */ | |
2294 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2295 | const struct snd_kcontrol_new *controls, int num_controls) | |
2296 | { | |
2297 | struct snd_card *card = soc_card->snd_card; | |
2298 | ||
2299 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2300 | NULL, soc_card); | |
2301 | } | |
2302 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2303 | ||
2304 | /** | |
2305 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2306 | * Convienience function to add a list of controls. | |
2307 | * | |
2308 | * @dai: DAI 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 | */ | |
2314 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2315 | const struct snd_kcontrol_new *controls, int num_controls) | |
2316 | { | |
2317 | struct snd_card *card = dai->card->snd_card; | |
2318 | ||
2319 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2320 | NULL, dai); | |
2321 | } | |
2322 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2323 | ||
8c6529db LG |
2324 | /** |
2325 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
2326 | * @dai: DAI | |
2327 | * @clk_id: DAI specific clock ID | |
2328 | * @freq: new clock frequency in Hz | |
2329 | * @dir: new clock direction - input/output. | |
2330 | * | |
2331 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
2332 | */ | |
2333 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
2334 | unsigned int freq, int dir) | |
2335 | { | |
f0fba2ad LG |
2336 | if (dai->driver && dai->driver->ops->set_sysclk) |
2337 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 2338 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 2339 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 2340 | freq, dir); |
8c6529db | 2341 | else |
1104a9c8 | 2342 | return -ENOTSUPP; |
8c6529db LG |
2343 | } |
2344 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
2345 | ||
ec4ee52a MB |
2346 | /** |
2347 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
2348 | * @codec: CODEC | |
2349 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 2350 | * @source: Source for the clock |
ec4ee52a MB |
2351 | * @freq: new clock frequency in Hz |
2352 | * @dir: new clock direction - input/output. | |
2353 | * | |
2354 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
2355 | */ | |
2356 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 2357 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
2358 | { |
2359 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
2360 | return codec->driver->set_sysclk(codec, clk_id, source, |
2361 | freq, dir); | |
ec4ee52a | 2362 | else |
1104a9c8 | 2363 | return -ENOTSUPP; |
ec4ee52a MB |
2364 | } |
2365 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
2366 | ||
8c6529db LG |
2367 | /** |
2368 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
2369 | * @dai: DAI | |
ac11a2b3 | 2370 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
2371 | * @div: new clock divisor. |
2372 | * | |
2373 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
2374 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
2375 | * and frame clocks as low as possible to save system power. | |
2376 | */ | |
2377 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
2378 | int div_id, int div) | |
2379 | { | |
f0fba2ad LG |
2380 | if (dai->driver && dai->driver->ops->set_clkdiv) |
2381 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
2382 | else |
2383 | return -EINVAL; | |
2384 | } | |
2385 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
2386 | ||
2387 | /** | |
2388 | * snd_soc_dai_set_pll - configure DAI PLL. | |
2389 | * @dai: DAI | |
2390 | * @pll_id: DAI specific PLL ID | |
85488037 | 2391 | * @source: DAI specific source for the PLL |
8c6529db LG |
2392 | * @freq_in: PLL input clock frequency in Hz |
2393 | * @freq_out: requested PLL output clock frequency in Hz | |
2394 | * | |
2395 | * Configures and enables PLL to generate output clock based on input clock. | |
2396 | */ | |
85488037 MB |
2397 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
2398 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 2399 | { |
f0fba2ad LG |
2400 | if (dai->driver && dai->driver->ops->set_pll) |
2401 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 2402 | freq_in, freq_out); |
ec4ee52a MB |
2403 | else if (dai->codec && dai->codec->driver->set_pll) |
2404 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
2405 | freq_in, freq_out); | |
8c6529db LG |
2406 | else |
2407 | return -EINVAL; | |
2408 | } | |
2409 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
2410 | ||
ec4ee52a MB |
2411 | /* |
2412 | * snd_soc_codec_set_pll - configure codec PLL. | |
2413 | * @codec: CODEC | |
2414 | * @pll_id: DAI specific PLL ID | |
2415 | * @source: DAI specific source for the PLL | |
2416 | * @freq_in: PLL input clock frequency in Hz | |
2417 | * @freq_out: requested PLL output clock frequency in Hz | |
2418 | * | |
2419 | * Configures and enables PLL to generate output clock based on input clock. | |
2420 | */ | |
2421 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
2422 | unsigned int freq_in, unsigned int freq_out) | |
2423 | { | |
2424 | if (codec->driver->set_pll) | |
2425 | return codec->driver->set_pll(codec, pll_id, source, | |
2426 | freq_in, freq_out); | |
2427 | else | |
2428 | return -EINVAL; | |
2429 | } | |
2430 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
2431 | ||
e54cf76b LG |
2432 | /** |
2433 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
2434 | * @dai: DAI | |
2435 | * @ratio Ratio of BCLK to Sample rate. | |
2436 | * | |
2437 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
2438 | */ | |
2439 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
2440 | { | |
2441 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
2442 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
2443 | else | |
2444 | return -EINVAL; | |
2445 | } | |
2446 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
2447 | ||
8c6529db LG |
2448 | /** |
2449 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
2450 | * @dai: DAI | |
8c6529db LG |
2451 | * @fmt: SND_SOC_DAIFMT_ format value. |
2452 | * | |
2453 | * Configures the DAI hardware format and clocking. | |
2454 | */ | |
2455 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
2456 | { | |
5e4ba569 | 2457 | if (dai->driver == NULL) |
8c6529db | 2458 | return -EINVAL; |
5e4ba569 SG |
2459 | if (dai->driver->ops->set_fmt == NULL) |
2460 | return -ENOTSUPP; | |
2461 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
2462 | } |
2463 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
2464 | ||
89c67857 | 2465 | /** |
e5c21514 | 2466 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
2467 | * @slots: Number of slots in use. |
2468 | * @tx_mask: bitmask representing active TX slots. | |
2469 | * @rx_mask: bitmask representing active RX slots. | |
2470 | * | |
2471 | * Generates the TDM tx and rx slot default masks for DAI. | |
2472 | */ | |
e5c21514 | 2473 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
2474 | unsigned int *tx_mask, |
2475 | unsigned int *rx_mask) | |
2476 | { | |
2477 | if (*tx_mask || *rx_mask) | |
2478 | return 0; | |
2479 | ||
2480 | if (!slots) | |
2481 | return -EINVAL; | |
2482 | ||
2483 | *tx_mask = (1 << slots) - 1; | |
2484 | *rx_mask = (1 << slots) - 1; | |
2485 | ||
2486 | return 0; | |
2487 | } | |
2488 | ||
8c6529db LG |
2489 | /** |
2490 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
2491 | * @dai: DAI | |
a5479e38 DR |
2492 | * @tx_mask: bitmask representing active TX slots. |
2493 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 2494 | * @slots: Number of slots in use. |
a5479e38 | 2495 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
2496 | * |
2497 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
2498 | * specific. | |
2499 | */ | |
2500 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 2501 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 2502 | { |
e5c21514 XL |
2503 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
2504 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
2505 | &tx_mask, &rx_mask); |
2506 | else | |
e5c21514 | 2507 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 2508 | |
88bd870f BC |
2509 | dai->tx_mask = tx_mask; |
2510 | dai->rx_mask = rx_mask; | |
2511 | ||
f0fba2ad LG |
2512 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
2513 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 2514 | slots, slot_width); |
8c6529db | 2515 | else |
b2cbb6e1 | 2516 | return -ENOTSUPP; |
8c6529db LG |
2517 | } |
2518 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
2519 | ||
472df3cb BS |
2520 | /** |
2521 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
2522 | * @dai: DAI | |
2523 | * @tx_num: how many TX channels | |
2524 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
2525 | * 0~num-1 uses | |
2526 | * @rx_num: how many RX channels | |
2527 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
2528 | * 0~num-1 uses | |
2529 | * | |
2530 | * configure the relationship between channel number and TDM slot number. | |
2531 | */ | |
2532 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
2533 | unsigned int tx_num, unsigned int *tx_slot, | |
2534 | unsigned int rx_num, unsigned int *rx_slot) | |
2535 | { | |
f0fba2ad LG |
2536 | if (dai->driver && dai->driver->ops->set_channel_map) |
2537 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
2538 | rx_num, rx_slot); |
2539 | else | |
2540 | return -EINVAL; | |
2541 | } | |
2542 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
2543 | ||
8c6529db LG |
2544 | /** |
2545 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
2546 | * @dai: DAI | |
2547 | * @tristate: tristate enable | |
2548 | * | |
2549 | * Tristates the DAI so that others can use it. | |
2550 | */ | |
2551 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
2552 | { | |
f0fba2ad LG |
2553 | if (dai->driver && dai->driver->ops->set_tristate) |
2554 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
2555 | else |
2556 | return -EINVAL; | |
2557 | } | |
2558 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
2559 | ||
2560 | /** | |
2561 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
2562 | * @dai: DAI | |
2563 | * @mute: mute enable | |
da18396f | 2564 | * @direction: stream to mute |
8c6529db LG |
2565 | * |
2566 | * Mutes the DAI DAC. | |
2567 | */ | |
da18396f MB |
2568 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
2569 | int direction) | |
8c6529db | 2570 | { |
da18396f MB |
2571 | if (!dai->driver) |
2572 | return -ENOTSUPP; | |
2573 | ||
2574 | if (dai->driver->ops->mute_stream) | |
2575 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
2576 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
2577 | dai->driver->ops->digital_mute) | |
f0fba2ad | 2578 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 2579 | else |
04570c62 | 2580 | return -ENOTSUPP; |
8c6529db LG |
2581 | } |
2582 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
2583 | ||
88bd870f BC |
2584 | static int snd_soc_init_multicodec(struct snd_soc_card *card, |
2585 | struct snd_soc_dai_link *dai_link) | |
2586 | { | |
2587 | /* Legacy codec/codec_dai link is a single entry in multicodec */ | |
2588 | if (dai_link->codec_name || dai_link->codec_of_node || | |
2589 | dai_link->codec_dai_name) { | |
2590 | dai_link->num_codecs = 1; | |
2591 | ||
2592 | dai_link->codecs = devm_kzalloc(card->dev, | |
2593 | sizeof(struct snd_soc_dai_link_component), | |
2594 | GFP_KERNEL); | |
2595 | if (!dai_link->codecs) | |
2596 | return -ENOMEM; | |
2597 | ||
2598 | dai_link->codecs[0].name = dai_link->codec_name; | |
2599 | dai_link->codecs[0].of_node = dai_link->codec_of_node; | |
2600 | dai_link->codecs[0].dai_name = dai_link->codec_dai_name; | |
2601 | } | |
2602 | ||
2603 | if (!dai_link->codecs) { | |
2604 | dev_err(card->dev, "ASoC: DAI link has no CODECs\n"); | |
2605 | return -EINVAL; | |
2606 | } | |
2607 | ||
2608 | return 0; | |
2609 | } | |
2610 | ||
c5af3a2e MB |
2611 | /** |
2612 | * snd_soc_register_card - Register a card with the ASoC core | |
2613 | * | |
ac11a2b3 | 2614 | * @card: Card to register |
c5af3a2e | 2615 | * |
c5af3a2e | 2616 | */ |
70a7ca34 | 2617 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 2618 | { |
88bd870f | 2619 | int i, j, ret; |
f0fba2ad | 2620 | |
c5af3a2e MB |
2621 | if (!card->name || !card->dev) |
2622 | return -EINVAL; | |
2623 | ||
5a504963 SW |
2624 | for (i = 0; i < card->num_links; i++) { |
2625 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
2626 | ||
88bd870f BC |
2627 | ret = snd_soc_init_multicodec(card, link); |
2628 | if (ret) { | |
2629 | dev_err(card->dev, "ASoC: failed to init multicodec\n"); | |
2630 | return ret; | |
5a504963 | 2631 | } |
88bd870f BC |
2632 | |
2633 | for (j = 0; j < link->num_codecs; j++) { | |
2634 | /* | |
2635 | * Codec must be specified by 1 of name or OF node, | |
2636 | * not both or neither. | |
2637 | */ | |
2638 | if (!!link->codecs[j].name == | |
2639 | !!link->codecs[j].of_node) { | |
2640 | dev_err(card->dev, "ASoC: Neither/both codec name/of_node are set for %s\n", | |
2641 | link->name); | |
2642 | return -EINVAL; | |
2643 | } | |
2644 | /* Codec DAI name must be specified */ | |
2645 | if (!link->codecs[j].dai_name) { | |
2646 | dev_err(card->dev, "ASoC: codec_dai_name not set for %s\n", | |
2647 | link->name); | |
2648 | return -EINVAL; | |
2649 | } | |
bc92657a | 2650 | } |
5a504963 SW |
2651 | |
2652 | /* | |
2653 | * Platform may be specified by either name or OF node, but | |
2654 | * can be left unspecified, and a dummy platform will be used. | |
2655 | */ | |
2656 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
2657 | dev_err(card->dev, |
2658 | "ASoC: Both platform name/of_node are set for %s\n", | |
2659 | link->name); | |
5a504963 SW |
2660 | return -EINVAL; |
2661 | } | |
2662 | ||
2663 | /* | |
bc92657a SW |
2664 | * CPU device may be specified by either name or OF node, but |
2665 | * can be left unspecified, and will be matched based on DAI | |
2666 | * name alone.. | |
2667 | */ | |
2668 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
2669 | dev_err(card->dev, |
2670 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
2671 | link->name); | |
bc92657a SW |
2672 | return -EINVAL; |
2673 | } | |
2674 | /* | |
2675 | * At least one of CPU DAI name or CPU device name/node must be | |
2676 | * specified | |
5a504963 | 2677 | */ |
bc92657a SW |
2678 | if (!link->cpu_dai_name && |
2679 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
2680 | dev_err(card->dev, |
2681 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
2682 | link->name); | |
5a504963 SW |
2683 | return -EINVAL; |
2684 | } | |
2685 | } | |
2686 | ||
ed77cc12 MB |
2687 | dev_set_drvdata(card->dev, card); |
2688 | ||
111c6419 SW |
2689 | snd_soc_initialize_card_lists(card); |
2690 | ||
150dd2f8 VK |
2691 | soc_init_card_debugfs(card); |
2692 | ||
181a6892 MB |
2693 | card->rtd = devm_kzalloc(card->dev, |
2694 | sizeof(struct snd_soc_pcm_runtime) * | |
2695 | (card->num_links + card->num_aux_devs), | |
2696 | GFP_KERNEL); | |
f0fba2ad LG |
2697 | if (card->rtd == NULL) |
2698 | return -ENOMEM; | |
a7dbb603 | 2699 | card->num_rtd = 0; |
2eea392d | 2700 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad | 2701 | |
5f3484ac LPC |
2702 | for (i = 0; i < card->num_links; i++) { |
2703 | card->rtd[i].card = card; | |
f0fba2ad | 2704 | card->rtd[i].dai_link = &card->dai_link[i]; |
88bd870f BC |
2705 | card->rtd[i].codec_dais = devm_kzalloc(card->dev, |
2706 | sizeof(struct snd_soc_dai *) * | |
2707 | (card->rtd[i].dai_link->num_codecs), | |
2708 | GFP_KERNEL); | |
2709 | if (card->rtd[i].codec_dais == NULL) | |
2710 | return -ENOMEM; | |
5f3484ac LPC |
2711 | } |
2712 | ||
2713 | for (i = 0; i < card->num_aux_devs; i++) | |
2714 | card->rtd_aux[i].card = card; | |
f0fba2ad | 2715 | |
db432b41 | 2716 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 2717 | card->instantiated = 0; |
f0fba2ad | 2718 | mutex_init(&card->mutex); |
a73fb2df | 2719 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 2720 | |
b19e6e7b MB |
2721 | ret = snd_soc_instantiate_card(card); |
2722 | if (ret != 0) | |
2723 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 2724 | |
988e8cc4 NC |
2725 | /* deactivate pins to sleep state */ |
2726 | for (i = 0; i < card->num_rtd; i++) { | |
88bd870f BC |
2727 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
2728 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
2729 | int j; | |
2730 | ||
2731 | for (j = 0; j < rtd->num_codecs; j++) { | |
2732 | struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; | |
2733 | if (!codec_dai->active) | |
2734 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
2735 | } | |
2736 | ||
988e8cc4 NC |
2737 | if (!cpu_dai->active) |
2738 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
2739 | } | |
2740 | ||
b19e6e7b | 2741 | return ret; |
c5af3a2e | 2742 | } |
70a7ca34 | 2743 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
2744 | |
2745 | /** | |
2746 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
2747 | * | |
ac11a2b3 | 2748 | * @card: Card to unregister |
c5af3a2e | 2749 | * |
c5af3a2e | 2750 | */ |
70a7ca34 | 2751 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 2752 | { |
01e0df66 LPC |
2753 | if (card->instantiated) { |
2754 | card->instantiated = false; | |
1c325f77 | 2755 | snd_soc_dapm_shutdown(card); |
b0e26485 | 2756 | soc_cleanup_card_resources(card); |
01e0df66 | 2757 | } |
f110bfc7 | 2758 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
2759 | |
2760 | return 0; | |
2761 | } | |
70a7ca34 | 2762 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 2763 | |
f0fba2ad LG |
2764 | /* |
2765 | * Simplify DAI link configuration by removing ".-1" from device names | |
2766 | * and sanitizing names. | |
2767 | */ | |
0b9a214a | 2768 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
2769 | { |
2770 | char *found, name[NAME_SIZE]; | |
2771 | int id1, id2; | |
2772 | ||
2773 | if (dev_name(dev) == NULL) | |
2774 | return NULL; | |
2775 | ||
58818a77 | 2776 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
2777 | |
2778 | /* are we a "%s.%d" name (platform and SPI components) */ | |
2779 | found = strstr(name, dev->driver->name); | |
2780 | if (found) { | |
2781 | /* get ID */ | |
2782 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
2783 | ||
2784 | /* discard ID from name if ID == -1 */ | |
2785 | if (*id == -1) | |
2786 | found[strlen(dev->driver->name)] = '\0'; | |
2787 | } | |
2788 | ||
2789 | } else { | |
2790 | /* I2C component devices are named "bus-addr" */ | |
2791 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
2792 | char tmp[NAME_SIZE]; | |
2793 | ||
2794 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 2795 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
2796 | |
2797 | /* sanitize component name for DAI link creation */ | |
2798 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 2799 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
2800 | } else |
2801 | *id = 0; | |
2802 | } | |
2803 | ||
2804 | return kstrdup(name, GFP_KERNEL); | |
2805 | } | |
2806 | ||
2807 | /* | |
2808 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
2809 | * any ".-1" and using the DAI name (instead of device name). | |
2810 | */ | |
2811 | static inline char *fmt_multiple_name(struct device *dev, | |
2812 | struct snd_soc_dai_driver *dai_drv) | |
2813 | { | |
2814 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
2815 | dev_err(dev, |
2816 | "ASoC: error - multiple DAI %s registered with no name\n", | |
2817 | dev_name(dev)); | |
f0fba2ad LG |
2818 | return NULL; |
2819 | } | |
2820 | ||
2821 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
2822 | } | |
2823 | ||
9115171a | 2824 | /** |
32c9ba54 | 2825 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 2826 | * |
32c9ba54 | 2827 | * @component: The component for which the DAIs should be unregistered |
9115171a | 2828 | */ |
32c9ba54 | 2829 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 2830 | { |
5c1d5f09 | 2831 | struct snd_soc_dai *dai, *_dai; |
9115171a | 2832 | |
5c1d5f09 | 2833 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
2834 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
2835 | dai->name); | |
5c1d5f09 | 2836 | list_del(&dai->list); |
32c9ba54 | 2837 | kfree(dai->name); |
f0fba2ad | 2838 | kfree(dai); |
f0fba2ad | 2839 | } |
9115171a | 2840 | } |
9115171a MB |
2841 | |
2842 | /** | |
32c9ba54 | 2843 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 2844 | * |
6106d129 LPC |
2845 | * @component: The component the DAIs are registered for |
2846 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 2847 | * @count: Number of DAIs |
32c9ba54 LPC |
2848 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
2849 | * parent's name. | |
9115171a | 2850 | */ |
6106d129 | 2851 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
2852 | struct snd_soc_dai_driver *dai_drv, size_t count, |
2853 | bool legacy_dai_naming) | |
9115171a | 2854 | { |
6106d129 | 2855 | struct device *dev = component->dev; |
f0fba2ad | 2856 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
2857 | unsigned int i; |
2858 | int ret; | |
f0fba2ad | 2859 | |
f110bfc7 | 2860 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 2861 | |
bb13109d LPC |
2862 | component->dai_drv = dai_drv; |
2863 | component->num_dai = count; | |
2864 | ||
9115171a | 2865 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
2866 | |
2867 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
2868 | if (dai == NULL) { |
2869 | ret = -ENOMEM; | |
2870 | goto err; | |
2871 | } | |
f0fba2ad | 2872 | |
32c9ba54 LPC |
2873 | /* |
2874 | * Back in the old days when we still had component-less DAIs, | |
2875 | * instead of having a static name, component-less DAIs would | |
2876 | * inherit the name of the parent device so it is possible to | |
2877 | * register multiple instances of the DAI. We still need to keep | |
2878 | * the same naming style even though those DAIs are not | |
2879 | * component-less anymore. | |
2880 | */ | |
2881 | if (count == 1 && legacy_dai_naming) { | |
2882 | dai->name = fmt_single_name(dev, &dai->id); | |
2883 | } else { | |
2884 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
2885 | if (dai_drv[i].id) | |
2886 | dai->id = dai_drv[i].id; | |
2887 | else | |
2888 | dai->id = i; | |
2889 | } | |
f0fba2ad LG |
2890 | if (dai->name == NULL) { |
2891 | kfree(dai); | |
32c9ba54 | 2892 | ret = -ENOMEM; |
9115171a | 2893 | goto err; |
f0fba2ad LG |
2894 | } |
2895 | ||
6106d129 | 2896 | dai->component = component; |
f0fba2ad | 2897 | dai->dev = dev; |
f0fba2ad LG |
2898 | dai->driver = &dai_drv[i]; |
2899 | if (!dai->driver->ops) | |
2900 | dai->driver->ops = &null_dai_ops; | |
2901 | ||
1438c2f6 | 2902 | list_add(&dai->list, &component->dai_list); |
054880fe | 2903 | |
32c9ba54 | 2904 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
2905 | } |
2906 | ||
2907 | return 0; | |
2908 | ||
2909 | err: | |
32c9ba54 | 2910 | snd_soc_unregister_dais(component); |
9115171a MB |
2911 | |
2912 | return ret; | |
2913 | } | |
9115171a | 2914 | |
14e8bdeb LPC |
2915 | static void snd_soc_component_seq_notifier(struct snd_soc_dapm_context *dapm, |
2916 | enum snd_soc_dapm_type type, int subseq) | |
d191bd8d | 2917 | { |
14e8bdeb | 2918 | struct snd_soc_component *component = dapm->component; |
d191bd8d | 2919 | |
14e8bdeb LPC |
2920 | component->driver->seq_notifier(component, type, subseq); |
2921 | } | |
d191bd8d | 2922 | |
14e8bdeb LPC |
2923 | static int snd_soc_component_stream_event(struct snd_soc_dapm_context *dapm, |
2924 | int event) | |
2925 | { | |
2926 | struct snd_soc_component *component = dapm->component; | |
d191bd8d | 2927 | |
14e8bdeb LPC |
2928 | return component->driver->stream_event(component, event); |
2929 | } | |
e2c330b9 | 2930 | |
bb13109d LPC |
2931 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
2932 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 2933 | { |
ce0fc93a LPC |
2934 | struct snd_soc_dapm_context *dapm; |
2935 | ||
bb13109d LPC |
2936 | component->name = fmt_single_name(dev, &component->id); |
2937 | if (!component->name) { | |
2938 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
2939 | return -ENOMEM; |
2940 | } | |
2941 | ||
bb13109d LPC |
2942 | component->dev = dev; |
2943 | component->driver = driver; | |
61aca564 LPC |
2944 | component->probe = component->driver->probe; |
2945 | component->remove = component->driver->remove; | |
d191bd8d | 2946 | |
ce0fc93a LPC |
2947 | if (!component->dapm_ptr) |
2948 | component->dapm_ptr = &component->dapm; | |
2949 | ||
2950 | dapm = component->dapm_ptr; | |
2951 | dapm->dev = dev; | |
2952 | dapm->component = component; | |
2953 | dapm->bias_level = SND_SOC_BIAS_OFF; | |
5819c2fa | 2954 | dapm->idle_bias_off = true; |
14e8bdeb LPC |
2955 | if (driver->seq_notifier) |
2956 | dapm->seq_notifier = snd_soc_component_seq_notifier; | |
2957 | if (driver->stream_event) | |
2958 | dapm->stream_event = snd_soc_component_stream_event; | |
d191bd8d | 2959 | |
61aca564 LPC |
2960 | component->controls = driver->controls; |
2961 | component->num_controls = driver->num_controls; | |
2962 | component->dapm_widgets = driver->dapm_widgets; | |
2963 | component->num_dapm_widgets = driver->num_dapm_widgets; | |
2964 | component->dapm_routes = driver->dapm_routes; | |
2965 | component->num_dapm_routes = driver->num_dapm_routes; | |
2966 | ||
bb13109d LPC |
2967 | INIT_LIST_HEAD(&component->dai_list); |
2968 | mutex_init(&component->io_mutex); | |
d191bd8d | 2969 | |
bb13109d LPC |
2970 | return 0; |
2971 | } | |
d191bd8d | 2972 | |
886f5692 LPC |
2973 | static void snd_soc_component_init_regmap(struct snd_soc_component *component) |
2974 | { | |
2975 | if (!component->regmap) | |
2976 | component->regmap = dev_get_regmap(component->dev, NULL); | |
2977 | if (component->regmap) { | |
2978 | int val_bytes = regmap_get_val_bytes(component->regmap); | |
2979 | /* Errors are legitimate for non-integer byte multiples */ | |
2980 | if (val_bytes > 0) | |
2981 | component->val_bytes = val_bytes; | |
2982 | } | |
2983 | } | |
2984 | ||
bb13109d LPC |
2985 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
2986 | { | |
886f5692 LPC |
2987 | if (!component->write && !component->read) |
2988 | snd_soc_component_init_regmap(component); | |
2989 | ||
bb13109d LPC |
2990 | list_add(&component->list, &component_list); |
2991 | } | |
d191bd8d | 2992 | |
bb13109d LPC |
2993 | static void snd_soc_component_add(struct snd_soc_component *component) |
2994 | { | |
d191bd8d | 2995 | mutex_lock(&client_mutex); |
bb13109d | 2996 | snd_soc_component_add_unlocked(component); |
d191bd8d | 2997 | mutex_unlock(&client_mutex); |
bb13109d | 2998 | } |
d191bd8d | 2999 | |
bb13109d LPC |
3000 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
3001 | { | |
3002 | snd_soc_unregister_dais(component); | |
3003 | kfree(component->name); | |
3004 | } | |
d191bd8d | 3005 | |
bb13109d LPC |
3006 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
3007 | { | |
3008 | list_del(&component->list); | |
3009 | } | |
d191bd8d | 3010 | |
bb13109d LPC |
3011 | static void snd_soc_component_del(struct snd_soc_component *component) |
3012 | { | |
3013 | mutex_lock(&client_mutex); | |
3014 | snd_soc_component_del_unlocked(component); | |
3015 | mutex_unlock(&client_mutex); | |
d191bd8d KM |
3016 | } |
3017 | ||
3018 | int snd_soc_register_component(struct device *dev, | |
3019 | const struct snd_soc_component_driver *cmpnt_drv, | |
3020 | struct snd_soc_dai_driver *dai_drv, | |
3021 | int num_dai) | |
3022 | { | |
3023 | struct snd_soc_component *cmpnt; | |
bb13109d | 3024 | int ret; |
d191bd8d | 3025 | |
bb13109d | 3026 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
3027 | if (!cmpnt) { |
3028 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
3029 | return -ENOMEM; | |
3030 | } | |
3031 | ||
bb13109d LPC |
3032 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
3033 | if (ret) | |
3034 | goto err_free; | |
3035 | ||
3d59400f | 3036 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 3037 | cmpnt->registered_as_component = true; |
3d59400f | 3038 | |
bb13109d LPC |
3039 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
3040 | if (ret < 0) { | |
3041 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
3042 | goto err_cleanup; | |
3043 | } | |
d191bd8d | 3044 | |
bb13109d | 3045 | snd_soc_component_add(cmpnt); |
4da53393 | 3046 | |
bb13109d | 3047 | return 0; |
4da53393 | 3048 | |
bb13109d LPC |
3049 | err_cleanup: |
3050 | snd_soc_component_cleanup(cmpnt); | |
3051 | err_free: | |
3052 | kfree(cmpnt); | |
3053 | return ret; | |
4da53393 | 3054 | } |
bb13109d | 3055 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 3056 | |
d191bd8d KM |
3057 | /** |
3058 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
3059 | * | |
3060 | */ | |
3061 | void snd_soc_unregister_component(struct device *dev) | |
3062 | { | |
3063 | struct snd_soc_component *cmpnt; | |
3064 | ||
3065 | list_for_each_entry(cmpnt, &component_list, list) { | |
98e639fb | 3066 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
3067 | goto found; |
3068 | } | |
3069 | return; | |
3070 | ||
3071 | found: | |
bb13109d LPC |
3072 | snd_soc_component_del(cmpnt); |
3073 | snd_soc_component_cleanup(cmpnt); | |
3074 | kfree(cmpnt); | |
d191bd8d KM |
3075 | } |
3076 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 3077 | |
f1d45cc3 | 3078 | static int snd_soc_platform_drv_probe(struct snd_soc_component *component) |
e2c330b9 LPC |
3079 | { |
3080 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
d191bd8d | 3081 | |
f1d45cc3 | 3082 | return platform->driver->probe(platform); |
e2c330b9 LPC |
3083 | } |
3084 | ||
f1d45cc3 | 3085 | static void snd_soc_platform_drv_remove(struct snd_soc_component *component) |
e2c330b9 LPC |
3086 | { |
3087 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
3088 | ||
f1d45cc3 | 3089 | platform->driver->remove(platform); |
d191bd8d | 3090 | } |
d191bd8d | 3091 | |
12a48a8c | 3092 | /** |
71a45cda LPC |
3093 | * snd_soc_add_platform - Add a platform to the ASoC core |
3094 | * @dev: The parent device for the platform | |
3095 | * @platform: The platform to add | |
3096 | * @platform_driver: The driver for the platform | |
12a48a8c | 3097 | */ |
71a45cda | 3098 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 3099 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 3100 | { |
b37f1d12 LPC |
3101 | int ret; |
3102 | ||
bb13109d LPC |
3103 | ret = snd_soc_component_initialize(&platform->component, |
3104 | &platform_drv->component_driver, dev); | |
3105 | if (ret) | |
3106 | return ret; | |
12a48a8c | 3107 | |
f0fba2ad LG |
3108 | platform->dev = dev; |
3109 | platform->driver = platform_drv; | |
f1d45cc3 LPC |
3110 | |
3111 | if (platform_drv->probe) | |
3112 | platform->component.probe = snd_soc_platform_drv_probe; | |
3113 | if (platform_drv->remove) | |
3114 | platform->component.remove = snd_soc_platform_drv_remove; | |
12a48a8c | 3115 | |
81c7cfd1 LPC |
3116 | #ifdef CONFIG_DEBUG_FS |
3117 | platform->component.debugfs_prefix = "platform"; | |
3118 | #endif | |
12a48a8c MB |
3119 | |
3120 | mutex_lock(&client_mutex); | |
bb13109d | 3121 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
3122 | list_add(&platform->list, &platform_list); |
3123 | mutex_unlock(&client_mutex); | |
3124 | ||
f4333203 LPC |
3125 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
3126 | platform->component.name); | |
12a48a8c MB |
3127 | |
3128 | return 0; | |
3129 | } | |
71a45cda | 3130 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
3131 | |
3132 | /** | |
71a45cda | 3133 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 3134 | * |
71a45cda | 3135 | * @platform: platform to register |
12a48a8c | 3136 | */ |
71a45cda LPC |
3137 | int snd_soc_register_platform(struct device *dev, |
3138 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 3139 | { |
f0fba2ad | 3140 | struct snd_soc_platform *platform; |
71a45cda | 3141 | int ret; |
f0fba2ad | 3142 | |
71a45cda | 3143 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 3144 | |
71a45cda LPC |
3145 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
3146 | if (platform == NULL) | |
3147 | return -ENOMEM; | |
3148 | ||
3149 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
3150 | if (ret) | |
3151 | kfree(platform); | |
3152 | ||
3153 | return ret; | |
3154 | } | |
3155 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
3156 | ||
3157 | /** | |
3158 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
3159 | * @platform: the platform to remove | |
3160 | */ | |
3161 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
3162 | { | |
b37f1d12 | 3163 | |
12a48a8c MB |
3164 | mutex_lock(&client_mutex); |
3165 | list_del(&platform->list); | |
bb13109d | 3166 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
3167 | mutex_unlock(&client_mutex); |
3168 | ||
71a45cda | 3169 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 3170 | platform->component.name); |
decc27b0 DM |
3171 | |
3172 | snd_soc_component_cleanup(&platform->component); | |
71a45cda LPC |
3173 | } |
3174 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
3175 | ||
3176 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
3177 | { | |
3178 | struct snd_soc_platform *platform; | |
3179 | ||
3180 | list_for_each_entry(platform, &platform_list, list) { | |
3181 | if (dev == platform->dev) | |
3182 | return platform; | |
3183 | } | |
3184 | ||
3185 | return NULL; | |
3186 | } | |
3187 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
3188 | ||
3189 | /** | |
3190 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
3191 | * | |
3192 | * @platform: platform to unregister | |
3193 | */ | |
3194 | void snd_soc_unregister_platform(struct device *dev) | |
3195 | { | |
3196 | struct snd_soc_platform *platform; | |
3197 | ||
3198 | platform = snd_soc_lookup_platform(dev); | |
3199 | if (!platform) | |
3200 | return; | |
3201 | ||
3202 | snd_soc_remove_platform(platform); | |
f0fba2ad | 3203 | kfree(platform); |
12a48a8c MB |
3204 | } |
3205 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
3206 | ||
151ab22c MB |
3207 | static u64 codec_format_map[] = { |
3208 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
3209 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
3210 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
3211 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
3212 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
3213 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
3214 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
3215 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
3216 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
3217 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
3218 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
3219 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
3220 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
3221 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
3222 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
3223 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
3224 | }; | |
3225 | ||
3226 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
3227 | * the endianness of the data but we're using the CPU format | |
3228 | * definitions which do need to include endianness so we ensure that | |
3229 | * codec DAIs always have both big and little endian variants set. | |
3230 | */ | |
3231 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
3232 | { | |
3233 | int i; | |
3234 | ||
3235 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
3236 | if (stream->formats & codec_format_map[i]) | |
3237 | stream->formats |= codec_format_map[i]; | |
3238 | } | |
3239 | ||
f1d45cc3 LPC |
3240 | static int snd_soc_codec_drv_probe(struct snd_soc_component *component) |
3241 | { | |
3242 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3243 | ||
3244 | return codec->driver->probe(codec); | |
3245 | } | |
3246 | ||
3247 | static void snd_soc_codec_drv_remove(struct snd_soc_component *component) | |
3248 | { | |
3249 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3250 | ||
3251 | codec->driver->remove(codec); | |
3252 | } | |
3253 | ||
e2c330b9 LPC |
3254 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
3255 | unsigned int reg, unsigned int val) | |
3256 | { | |
3257 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3258 | ||
3259 | return codec->driver->write(codec, reg, val); | |
3260 | } | |
3261 | ||
3262 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
3263 | unsigned int reg, unsigned int *val) | |
3264 | { | |
3265 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
3266 | ||
3267 | *val = codec->driver->read(codec, reg); | |
3268 | ||
3269 | return 0; | |
3270 | } | |
3271 | ||
68f831c2 LPC |
3272 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
3273 | enum snd_soc_bias_level level) | |
3274 | { | |
3275 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
3276 | ||
3277 | return codec->driver->set_bias_level(codec, level); | |
3278 | } | |
3279 | ||
0d0cf00a MB |
3280 | /** |
3281 | * snd_soc_register_codec - Register a codec with the ASoC core | |
3282 | * | |
ac11a2b3 | 3283 | * @codec: codec to register |
0d0cf00a | 3284 | */ |
f0fba2ad | 3285 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
3286 | const struct snd_soc_codec_driver *codec_drv, |
3287 | struct snd_soc_dai_driver *dai_drv, | |
3288 | int num_dai) | |
0d0cf00a | 3289 | { |
f0fba2ad | 3290 | struct snd_soc_codec *codec; |
bb13109d | 3291 | struct snd_soc_dai *dai; |
f0fba2ad | 3292 | int ret, i; |
151ab22c | 3293 | |
f0fba2ad LG |
3294 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
3295 | ||
3296 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
3297 | if (codec == NULL) | |
3298 | return -ENOMEM; | |
0d0cf00a | 3299 | |
ce0fc93a | 3300 | codec->component.dapm_ptr = &codec->dapm; |
f1d45cc3 | 3301 | codec->component.codec = codec; |
ce0fc93a | 3302 | |
bb13109d LPC |
3303 | ret = snd_soc_component_initialize(&codec->component, |
3304 | &codec_drv->component_driver, dev); | |
3305 | if (ret) | |
3306 | goto err_free; | |
f0fba2ad | 3307 | |
f1d45cc3 LPC |
3308 | if (codec_drv->controls) { |
3309 | codec->component.controls = codec_drv->controls; | |
3310 | codec->component.num_controls = codec_drv->num_controls; | |
3311 | } | |
3312 | if (codec_drv->dapm_widgets) { | |
3313 | codec->component.dapm_widgets = codec_drv->dapm_widgets; | |
3314 | codec->component.num_dapm_widgets = codec_drv->num_dapm_widgets; | |
3315 | } | |
3316 | if (codec_drv->dapm_routes) { | |
3317 | codec->component.dapm_routes = codec_drv->dapm_routes; | |
3318 | codec->component.num_dapm_routes = codec_drv->num_dapm_routes; | |
3319 | } | |
3320 | ||
3321 | if (codec_drv->probe) | |
3322 | codec->component.probe = snd_soc_codec_drv_probe; | |
3323 | if (codec_drv->remove) | |
3324 | codec->component.remove = snd_soc_codec_drv_remove; | |
e2c330b9 LPC |
3325 | if (codec_drv->write) |
3326 | codec->component.write = snd_soc_codec_drv_write; | |
3327 | if (codec_drv->read) | |
3328 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 3329 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
5819c2fa | 3330 | codec->dapm.idle_bias_off = codec_drv->idle_bias_off; |
86dbf2ac | 3331 | codec->dapm.suspend_bias_off = codec_drv->suspend_bias_off; |
14e8bdeb LPC |
3332 | if (codec_drv->seq_notifier) |
3333 | codec->dapm.seq_notifier = codec_drv->seq_notifier; | |
68f831c2 LPC |
3334 | if (codec_drv->set_bias_level) |
3335 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
3336 | codec->dev = dev; |
3337 | codec->driver = codec_drv; | |
e2c330b9 | 3338 | codec->component.val_bytes = codec_drv->reg_word_size; |
7a30a3db | 3339 | mutex_init(&codec->mutex); |
ce6120cc | 3340 | |
81c7cfd1 LPC |
3341 | #ifdef CONFIG_DEBUG_FS |
3342 | codec->component.init_debugfs = soc_init_codec_debugfs; | |
3343 | codec->component.debugfs_prefix = "codec"; | |
3344 | #endif | |
3345 | ||
886f5692 LPC |
3346 | if (codec_drv->get_regmap) |
3347 | codec->component.regmap = codec_drv->get_regmap(dev); | |
a39f75f7 | 3348 | |
f0fba2ad LG |
3349 | for (i = 0; i < num_dai; i++) { |
3350 | fixup_codec_formats(&dai_drv[i].playback); | |
3351 | fixup_codec_formats(&dai_drv[i].capture); | |
3352 | } | |
3353 | ||
bb13109d | 3354 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
5acd7dfb | 3355 | if (ret < 0) { |
bb13109d LPC |
3356 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); |
3357 | goto err_cleanup; | |
26b01ccd | 3358 | } |
f0fba2ad | 3359 | |
bb13109d LPC |
3360 | list_for_each_entry(dai, &codec->component.dai_list, list) |
3361 | dai->codec = codec; | |
f0fba2ad | 3362 | |
e1328a83 | 3363 | mutex_lock(&client_mutex); |
bb13109d | 3364 | snd_soc_component_add_unlocked(&codec->component); |
054880fe | 3365 | list_add(&codec->list, &codec_list); |
e1328a83 KM |
3366 | mutex_unlock(&client_mutex); |
3367 | ||
f4333203 LPC |
3368 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
3369 | codec->component.name); | |
0d0cf00a | 3370 | return 0; |
f0fba2ad | 3371 | |
bb13109d LPC |
3372 | err_cleanup: |
3373 | snd_soc_component_cleanup(&codec->component); | |
3374 | err_free: | |
f0fba2ad LG |
3375 | kfree(codec); |
3376 | return ret; | |
0d0cf00a MB |
3377 | } |
3378 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
3379 | ||
3380 | /** | |
3381 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
3382 | * | |
ac11a2b3 | 3383 | * @codec: codec to unregister |
0d0cf00a | 3384 | */ |
f0fba2ad | 3385 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 3386 | { |
f0fba2ad | 3387 | struct snd_soc_codec *codec; |
f0fba2ad LG |
3388 | |
3389 | list_for_each_entry(codec, &codec_list, list) { | |
3390 | if (dev == codec->dev) | |
3391 | goto found; | |
3392 | } | |
3393 | return; | |
3394 | ||
3395 | found: | |
f0fba2ad | 3396 | |
0d0cf00a MB |
3397 | mutex_lock(&client_mutex); |
3398 | list_del(&codec->list); | |
bb13109d | 3399 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
3400 | mutex_unlock(&client_mutex); |
3401 | ||
f4333203 LPC |
3402 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
3403 | codec->component.name); | |
f0fba2ad | 3404 | |
bb13109d | 3405 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 3406 | snd_soc_cache_exit(codec); |
f0fba2ad | 3407 | kfree(codec); |
0d0cf00a MB |
3408 | } |
3409 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
3410 | ||
bec4fa05 SW |
3411 | /* Retrieve a card's name from device tree */ |
3412 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
3413 | const char *propname) | |
3414 | { | |
7e07e7c0 | 3415 | struct device_node *np; |
bec4fa05 SW |
3416 | int ret; |
3417 | ||
7e07e7c0 TB |
3418 | if (!card->dev) { |
3419 | pr_err("card->dev is not set before calling %s\n", __func__); | |
3420 | return -EINVAL; | |
3421 | } | |
3422 | ||
3423 | np = card->dev->of_node; | |
3424 | ||
bec4fa05 SW |
3425 | ret = of_property_read_string_index(np, propname, 0, &card->name); |
3426 | /* | |
3427 | * EINVAL means the property does not exist. This is fine providing | |
3428 | * card->name was previously set, which is checked later in | |
3429 | * snd_soc_register_card. | |
3430 | */ | |
3431 | if (ret < 0 && ret != -EINVAL) { | |
3432 | dev_err(card->dev, | |
f110bfc7 | 3433 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
3434 | propname, ret); |
3435 | return ret; | |
3436 | } | |
3437 | ||
3438 | return 0; | |
3439 | } | |
3440 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
3441 | ||
9a6d4860 XL |
3442 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
3443 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
3444 | SND_SOC_DAPM_LINE("Line", NULL), | |
3445 | SND_SOC_DAPM_HP("Headphone", NULL), | |
3446 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
3447 | }; | |
3448 | ||
3449 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
3450 | const char *propname) | |
3451 | { | |
3452 | struct device_node *np = card->dev->of_node; | |
3453 | struct snd_soc_dapm_widget *widgets; | |
3454 | const char *template, *wname; | |
3455 | int i, j, num_widgets, ret; | |
3456 | ||
3457 | num_widgets = of_property_count_strings(np, propname); | |
3458 | if (num_widgets < 0) { | |
3459 | dev_err(card->dev, | |
3460 | "ASoC: Property '%s' does not exist\n", propname); | |
3461 | return -EINVAL; | |
3462 | } | |
3463 | if (num_widgets & 1) { | |
3464 | dev_err(card->dev, | |
3465 | "ASoC: Property '%s' length is not even\n", propname); | |
3466 | return -EINVAL; | |
3467 | } | |
3468 | ||
3469 | num_widgets /= 2; | |
3470 | if (!num_widgets) { | |
3471 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
3472 | propname); | |
3473 | return -EINVAL; | |
3474 | } | |
3475 | ||
3476 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
3477 | GFP_KERNEL); | |
3478 | if (!widgets) { | |
3479 | dev_err(card->dev, | |
3480 | "ASoC: Could not allocate memory for widgets\n"); | |
3481 | return -ENOMEM; | |
3482 | } | |
3483 | ||
3484 | for (i = 0; i < num_widgets; i++) { | |
3485 | ret = of_property_read_string_index(np, propname, | |
3486 | 2 * i, &template); | |
3487 | if (ret) { | |
3488 | dev_err(card->dev, | |
3489 | "ASoC: Property '%s' index %d read error:%d\n", | |
3490 | propname, 2 * i, ret); | |
3491 | return -EINVAL; | |
3492 | } | |
3493 | ||
3494 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
3495 | if (!strncmp(template, simple_widgets[j].name, | |
3496 | strlen(simple_widgets[j].name))) { | |
3497 | widgets[i] = simple_widgets[j]; | |
3498 | break; | |
3499 | } | |
3500 | } | |
3501 | ||
3502 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
3503 | dev_err(card->dev, | |
3504 | "ASoC: DAPM widget '%s' is not supported\n", | |
3505 | template); | |
3506 | return -EINVAL; | |
3507 | } | |
3508 | ||
3509 | ret = of_property_read_string_index(np, propname, | |
3510 | (2 * i) + 1, | |
3511 | &wname); | |
3512 | if (ret) { | |
3513 | dev_err(card->dev, | |
3514 | "ASoC: Property '%s' index %d read error:%d\n", | |
3515 | propname, (2 * i) + 1, ret); | |
3516 | return -EINVAL; | |
3517 | } | |
3518 | ||
3519 | widgets[i].name = wname; | |
3520 | } | |
3521 | ||
3522 | card->dapm_widgets = widgets; | |
3523 | card->num_dapm_widgets = num_widgets; | |
3524 | ||
3525 | return 0; | |
3526 | } | |
3527 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
3528 | ||
89c67857 XL |
3529 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
3530 | unsigned int *slots, | |
3531 | unsigned int *slot_width) | |
3532 | { | |
3533 | u32 val; | |
3534 | int ret; | |
3535 | ||
3536 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
3537 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
3538 | if (ret) | |
3539 | return ret; | |
3540 | ||
3541 | if (slots) | |
3542 | *slots = val; | |
3543 | } | |
3544 | ||
3545 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
3546 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
3547 | if (ret) | |
3548 | return ret; | |
3549 | ||
3550 | if (slot_width) | |
3551 | *slot_width = val; | |
3552 | } | |
3553 | ||
3554 | return 0; | |
3555 | } | |
3556 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
3557 | ||
a4a54dd5 SW |
3558 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
3559 | const char *propname) | |
3560 | { | |
3561 | struct device_node *np = card->dev->of_node; | |
3562 | int num_routes; | |
3563 | struct snd_soc_dapm_route *routes; | |
3564 | int i, ret; | |
3565 | ||
3566 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 3567 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
3568 | dev_err(card->dev, |
3569 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
3570 | propname); | |
a4a54dd5 SW |
3571 | return -EINVAL; |
3572 | } | |
3573 | num_routes /= 2; | |
3574 | if (!num_routes) { | |
f110bfc7 | 3575 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
3576 | propname); |
3577 | return -EINVAL; | |
3578 | } | |
3579 | ||
3580 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
3581 | GFP_KERNEL); | |
3582 | if (!routes) { | |
3583 | dev_err(card->dev, | |
f110bfc7 | 3584 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
3585 | return -EINVAL; |
3586 | } | |
3587 | ||
3588 | for (i = 0; i < num_routes; i++) { | |
3589 | ret = of_property_read_string_index(np, propname, | |
3590 | 2 * i, &routes[i].sink); | |
3591 | if (ret) { | |
c871bd0b MB |
3592 | dev_err(card->dev, |
3593 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
3594 | propname, 2 * i, ret); | |
a4a54dd5 SW |
3595 | return -EINVAL; |
3596 | } | |
3597 | ret = of_property_read_string_index(np, propname, | |
3598 | (2 * i) + 1, &routes[i].source); | |
3599 | if (ret) { | |
3600 | dev_err(card->dev, | |
c871bd0b MB |
3601 | "ASoC: Property '%s' index %d could not be read: %d\n", |
3602 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
3603 | return -EINVAL; |
3604 | } | |
3605 | } | |
3606 | ||
3607 | card->num_dapm_routes = num_routes; | |
3608 | card->dapm_routes = routes; | |
3609 | ||
3610 | return 0; | |
3611 | } | |
3612 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
3613 | ||
a7930ed4 | 3614 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
3615 | const char *prefix, |
3616 | struct device_node **bitclkmaster, | |
3617 | struct device_node **framemaster) | |
a7930ed4 KM |
3618 | { |
3619 | int ret, i; | |
3620 | char prop[128]; | |
3621 | unsigned int format = 0; | |
3622 | int bit, frame; | |
3623 | const char *str; | |
3624 | struct { | |
3625 | char *name; | |
3626 | unsigned int val; | |
3627 | } of_fmt_table[] = { | |
3628 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
3629 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
3630 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
3631 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
3632 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
3633 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
3634 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
3635 | { "msb", SND_SOC_DAIFMT_MSB }, | |
3636 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
3637 | }; |
3638 | ||
3639 | if (!prefix) | |
3640 | prefix = ""; | |
3641 | ||
3642 | /* | |
3643 | * check "[prefix]format = xxx" | |
3644 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
3645 | */ | |
3646 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
3647 | ret = of_property_read_string(np, prop, &str); | |
3648 | if (ret == 0) { | |
3649 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
3650 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
3651 | format |= of_fmt_table[i].val; | |
3652 | break; | |
3653 | } | |
3654 | } | |
3655 | } | |
3656 | ||
3657 | /* | |
8c2d6a9f | 3658 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
3659 | * SND_SOC_DAIFMT_CLOCK_MASK area |
3660 | */ | |
8c2d6a9f KM |
3661 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
3662 | if (of_get_property(np, prop, NULL)) | |
3663 | format |= SND_SOC_DAIFMT_CONT; | |
3664 | else | |
3665 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
3666 | |
3667 | /* | |
3668 | * check "[prefix]bitclock-inversion" | |
3669 | * check "[prefix]frame-inversion" | |
3670 | * SND_SOC_DAIFMT_INV_MASK area | |
3671 | */ | |
3672 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
3673 | bit = !!of_get_property(np, prop, NULL); | |
3674 | ||
3675 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
3676 | frame = !!of_get_property(np, prop, NULL); | |
3677 | ||
3678 | switch ((bit << 4) + frame) { | |
3679 | case 0x11: | |
3680 | format |= SND_SOC_DAIFMT_IB_IF; | |
3681 | break; | |
3682 | case 0x10: | |
3683 | format |= SND_SOC_DAIFMT_IB_NF; | |
3684 | break; | |
3685 | case 0x01: | |
3686 | format |= SND_SOC_DAIFMT_NB_IF; | |
3687 | break; | |
3688 | default: | |
3689 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
3690 | break; | |
3691 | } | |
3692 | ||
3693 | /* | |
3694 | * check "[prefix]bitclock-master" | |
3695 | * check "[prefix]frame-master" | |
3696 | * SND_SOC_DAIFMT_MASTER_MASK area | |
3697 | */ | |
3698 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
3699 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
3700 | if (bit && bitclkmaster) |
3701 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
3702 | |
3703 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
3704 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
3705 | if (frame && framemaster) |
3706 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
3707 | |
3708 | switch ((bit << 4) + frame) { | |
3709 | case 0x11: | |
3710 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
3711 | break; | |
3712 | case 0x10: | |
3713 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
3714 | break; | |
3715 | case 0x01: | |
3716 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
3717 | break; | |
3718 | default: | |
3719 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
3720 | break; | |
3721 | } | |
3722 | ||
3723 | return format; | |
3724 | } | |
3725 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
3726 | ||
cb470087 KM |
3727 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
3728 | const char **dai_name) | |
3729 | { | |
3730 | struct snd_soc_component *pos; | |
3731 | struct of_phandle_args args; | |
3732 | int ret; | |
3733 | ||
3734 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
3735 | "#sound-dai-cells", 0, &args); | |
3736 | if (ret) | |
3737 | return ret; | |
3738 | ||
3739 | ret = -EPROBE_DEFER; | |
3740 | ||
3741 | mutex_lock(&client_mutex); | |
3742 | list_for_each_entry(pos, &component_list, list) { | |
3743 | if (pos->dev->of_node != args.np) | |
3744 | continue; | |
3745 | ||
6833c452 KM |
3746 | if (pos->driver->of_xlate_dai_name) { |
3747 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
3748 | } else { | |
3749 | int id = -1; | |
3750 | ||
3751 | switch (args.args_count) { | |
3752 | case 0: | |
3753 | id = 0; /* same as dai_drv[0] */ | |
3754 | break; | |
3755 | case 1: | |
3756 | id = args.args[0]; | |
3757 | break; | |
3758 | default: | |
3759 | /* not supported */ | |
3760 | break; | |
3761 | } | |
3762 | ||
3763 | if (id < 0 || id >= pos->num_dai) { | |
3764 | ret = -EINVAL; | |
3dcba280 | 3765 | continue; |
6833c452 | 3766 | } |
e41975ed XL |
3767 | |
3768 | ret = 0; | |
3769 | ||
3770 | *dai_name = pos->dai_drv[id].name; | |
3771 | if (!*dai_name) | |
3772 | *dai_name = pos->name; | |
cb470087 KM |
3773 | } |
3774 | ||
cb470087 KM |
3775 | break; |
3776 | } | |
3777 | mutex_unlock(&client_mutex); | |
3778 | ||
3779 | of_node_put(args.np); | |
3780 | ||
3781 | return ret; | |
3782 | } | |
3783 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
3784 | ||
c9b3a40f | 3785 | static int __init snd_soc_init(void) |
db2a4165 | 3786 | { |
384c89e2 | 3787 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
3788 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
3789 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 3790 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 3791 | snd_soc_debugfs_root = NULL; |
384c89e2 | 3792 | } |
c3c5a19a | 3793 | |
8a9dab1a | 3794 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
3795 | &codec_list_fops)) |
3796 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
3797 | ||
8a9dab1a | 3798 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
3799 | &dai_list_fops)) |
3800 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 3801 | |
8a9dab1a | 3802 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
3803 | &platform_list_fops)) |
3804 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
3805 | #endif |
3806 | ||
fb257897 MB |
3807 | snd_soc_util_init(); |
3808 | ||
db2a4165 FM |
3809 | return platform_driver_register(&soc_driver); |
3810 | } | |
4abe8e16 | 3811 | module_init(snd_soc_init); |
db2a4165 | 3812 | |
7d8c16a6 | 3813 | static void __exit snd_soc_exit(void) |
db2a4165 | 3814 | { |
fb257897 MB |
3815 | snd_soc_util_exit(); |
3816 | ||
384c89e2 | 3817 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 3818 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 3819 | #endif |
3ff3f64b | 3820 | platform_driver_unregister(&soc_driver); |
db2a4165 | 3821 | } |
db2a4165 FM |
3822 | module_exit(snd_soc_exit); |
3823 | ||
3824 | /* Module information */ | |
d331124d | 3825 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
3826 | MODULE_DESCRIPTION("ALSA SoC Core"); |
3827 | MODULE_LICENSE("GPL"); | |
8b45a209 | 3828 | MODULE_ALIAS("platform:soc-audio"); |