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 | ||
273 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
274 | { | |
d6ce4cf3 JN |
275 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
276 | ||
f4333203 | 277 | codec->debugfs_codec_root = debugfs_create_dir(codec->component.name, |
d6ce4cf3 | 278 | debugfs_card_root); |
2624d5fa | 279 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
280 | dev_warn(codec->dev, |
281 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
282 | return; |
283 | } | |
284 | ||
aaee8ef1 MB |
285 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
286 | &codec->cache_sync); | |
287 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
288 | &codec->cache_only); | |
289 | ||
2624d5fa MB |
290 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
291 | codec->debugfs_codec_root, | |
292 | codec, &codec_reg_fops); | |
293 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
294 | dev_warn(codec->dev, |
295 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 296 | |
8eecaf62 | 297 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
298 | } |
299 | ||
300 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
301 | { | |
302 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
303 | } | |
304 | ||
731f1ab2 SG |
305 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
306 | { | |
307 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
308 | ||
f4333203 LPC |
309 | platform->debugfs_platform_root = debugfs_create_dir( |
310 | platform->component.name, debugfs_card_root); | |
731f1ab2 SG |
311 | if (!platform->debugfs_platform_root) { |
312 | dev_warn(platform->dev, | |
f110bfc7 | 313 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
314 | return; |
315 | } | |
316 | ||
317 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
318 | platform->debugfs_platform_root); | |
319 | } | |
320 | ||
321 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
322 | { | |
323 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
324 | } | |
325 | ||
c3c5a19a MB |
326 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
327 | size_t count, loff_t *ppos) | |
328 | { | |
329 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 330 | ssize_t len, ret = 0; |
c3c5a19a MB |
331 | struct snd_soc_codec *codec; |
332 | ||
333 | if (!buf) | |
334 | return -ENOMEM; | |
335 | ||
2b194f9d MB |
336 | list_for_each_entry(codec, &codec_list, list) { |
337 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 338 | codec->component.name); |
2b194f9d MB |
339 | if (len >= 0) |
340 | ret += len; | |
341 | if (ret > PAGE_SIZE) { | |
342 | ret = PAGE_SIZE; | |
343 | break; | |
344 | } | |
345 | } | |
c3c5a19a MB |
346 | |
347 | if (ret >= 0) | |
348 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
349 | ||
350 | kfree(buf); | |
351 | ||
352 | return ret; | |
353 | } | |
354 | ||
355 | static const struct file_operations codec_list_fops = { | |
356 | .read = codec_list_read_file, | |
357 | .llseek = default_llseek,/* read accesses f_pos */ | |
358 | }; | |
359 | ||
f3208780 MB |
360 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
361 | size_t count, loff_t *ppos) | |
362 | { | |
363 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 364 | ssize_t len, ret = 0; |
1438c2f6 | 365 | struct snd_soc_component *component; |
f3208780 MB |
366 | struct snd_soc_dai *dai; |
367 | ||
368 | if (!buf) | |
369 | return -ENOMEM; | |
370 | ||
1438c2f6 LPC |
371 | list_for_each_entry(component, &component_list, list) { |
372 | list_for_each_entry(dai, &component->dai_list, list) { | |
373 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
374 | dai->name); | |
375 | if (len >= 0) | |
376 | ret += len; | |
377 | if (ret > PAGE_SIZE) { | |
378 | ret = PAGE_SIZE; | |
379 | break; | |
380 | } | |
2b194f9d MB |
381 | } |
382 | } | |
f3208780 | 383 | |
2b194f9d | 384 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
385 | |
386 | kfree(buf); | |
387 | ||
388 | return ret; | |
389 | } | |
390 | ||
391 | static const struct file_operations dai_list_fops = { | |
392 | .read = dai_list_read_file, | |
393 | .llseek = default_llseek,/* read accesses f_pos */ | |
394 | }; | |
395 | ||
19c7ac27 MB |
396 | static ssize_t platform_list_read_file(struct file *file, |
397 | char __user *user_buf, | |
398 | size_t count, loff_t *ppos) | |
399 | { | |
400 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 401 | ssize_t len, ret = 0; |
19c7ac27 MB |
402 | struct snd_soc_platform *platform; |
403 | ||
404 | if (!buf) | |
405 | return -ENOMEM; | |
406 | ||
2b194f9d MB |
407 | list_for_each_entry(platform, &platform_list, list) { |
408 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
f4333203 | 409 | platform->component.name); |
2b194f9d MB |
410 | if (len >= 0) |
411 | ret += len; | |
412 | if (ret > PAGE_SIZE) { | |
413 | ret = PAGE_SIZE; | |
414 | break; | |
415 | } | |
416 | } | |
19c7ac27 | 417 | |
2b194f9d | 418 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
419 | |
420 | kfree(buf); | |
421 | ||
422 | return ret; | |
423 | } | |
424 | ||
425 | static const struct file_operations platform_list_fops = { | |
426 | .read = platform_list_read_file, | |
427 | .llseek = default_llseek,/* read accesses f_pos */ | |
428 | }; | |
429 | ||
a6052154 JN |
430 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
431 | { | |
432 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 433 | snd_soc_debugfs_root); |
3a45b867 | 434 | if (!card->debugfs_card_root) { |
a6052154 | 435 | dev_warn(card->dev, |
7c08be84 | 436 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
437 | return; |
438 | } | |
439 | ||
440 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
441 | card->debugfs_card_root, | |
442 | &card->pop_time); | |
443 | if (!card->debugfs_pop_time) | |
444 | dev_warn(card->dev, | |
f110bfc7 | 445 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
446 | } |
447 | ||
448 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
449 | { | |
450 | debugfs_remove_recursive(card->debugfs_card_root); | |
451 | } | |
452 | ||
2624d5fa MB |
453 | #else |
454 | ||
455 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
456 | { | |
457 | } | |
458 | ||
459 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
460 | { | |
461 | } | |
b95fccbc | 462 | |
731f1ab2 SG |
463 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
464 | { | |
465 | } | |
466 | ||
467 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
468 | { | |
469 | } | |
470 | ||
b95fccbc AL |
471 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
472 | { | |
473 | } | |
474 | ||
475 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
476 | { | |
477 | } | |
2624d5fa MB |
478 | #endif |
479 | ||
47c88fff LG |
480 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
481 | const char *dai_link, int stream) | |
482 | { | |
483 | int i; | |
484 | ||
485 | for (i = 0; i < card->num_links; i++) { | |
486 | if (card->rtd[i].dai_link->no_pcm && | |
487 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
488 | return card->rtd[i].pcm->streams[stream].substream; | |
489 | } | |
f110bfc7 | 490 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
491 | return NULL; |
492 | } | |
493 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
494 | ||
495 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
496 | const char *dai_link) | |
497 | { | |
498 | int i; | |
499 | ||
500 | for (i = 0; i < card->num_links; i++) { | |
501 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
502 | return &card->rtd[i]; | |
503 | } | |
f110bfc7 | 504 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
505 | return NULL; |
506 | } | |
507 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
508 | ||
db2a4165 FM |
509 | #ifdef CONFIG_SND_SOC_AC97_BUS |
510 | /* unregister ac97 codec */ | |
511 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
512 | { | |
513 | if (codec->ac97->dev.bus) | |
514 | device_unregister(&codec->ac97->dev); | |
515 | return 0; | |
516 | } | |
517 | ||
518 | /* stop no dev release warning */ | |
519 | static void soc_ac97_device_release(struct device *dev){} | |
520 | ||
521 | /* register ac97 codec to bus */ | |
522 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
523 | { | |
524 | int err; | |
525 | ||
526 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 527 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
528 | codec->ac97->dev.release = soc_ac97_device_release; |
529 | ||
bb072bf0 | 530 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f4333203 | 531 | codec->card->snd_card->number, 0, codec->component.name); |
db2a4165 FM |
532 | err = device_register(&codec->ac97->dev); |
533 | if (err < 0) { | |
f110bfc7 | 534 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
535 | codec->ac97->dev.bus = NULL; |
536 | return err; | |
537 | } | |
538 | return 0; | |
539 | } | |
540 | #endif | |
541 | ||
9d58a077 RF |
542 | static void codec2codec_close_delayed_work(struct work_struct *work) |
543 | { | |
544 | /* Currently nothing to do for c2c links | |
545 | * Since c2c links are internal nodes in the DAPM graph and | |
546 | * don't interface with the outside world or application layer | |
547 | * we don't have to do any special handling on close. | |
548 | */ | |
549 | } | |
550 | ||
6f8ab4ac | 551 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 552 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 553 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 554 | { |
6f8ab4ac | 555 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 556 | struct snd_soc_codec *codec; |
db2a4165 FM |
557 | int i; |
558 | ||
e3509ff0 DM |
559 | /* If the initialization of this soc device failed, there is no codec |
560 | * associated with it. Just bail out in this case. | |
561 | */ | |
f0fba2ad | 562 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
563 | return 0; |
564 | ||
6ed25978 AG |
565 | /* Due to the resume being scheduled into a workqueue we could |
566 | * suspend before that's finished - wait for it to complete. | |
567 | */ | |
f0fba2ad LG |
568 | snd_power_lock(card->snd_card); |
569 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
570 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
571 | |
572 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 573 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 574 | |
a00f90f9 | 575 | /* mute any active DACs */ |
f0fba2ad LG |
576 | for (i = 0; i < card->num_rtd; i++) { |
577 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
578 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 579 | |
f0fba2ad | 580 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
581 | continue; |
582 | ||
f0fba2ad LG |
583 | if (drv->ops->digital_mute && dai->playback_active) |
584 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
585 | } |
586 | ||
4ccab3e7 | 587 | /* suspend all pcms */ |
f0fba2ad LG |
588 | for (i = 0; i < card->num_rtd; i++) { |
589 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
590 | continue; |
591 | ||
f0fba2ad | 592 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 593 | } |
4ccab3e7 | 594 | |
87506549 | 595 | if (card->suspend_pre) |
70b2ac12 | 596 | card->suspend_pre(card); |
db2a4165 | 597 | |
f0fba2ad LG |
598 | for (i = 0; i < card->num_rtd; i++) { |
599 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
600 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 601 | |
f0fba2ad | 602 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
603 | continue; |
604 | ||
f0fba2ad LG |
605 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
606 | cpu_dai->driver->suspend(cpu_dai); | |
607 | if (platform->driver->suspend && !platform->suspended) { | |
608 | platform->driver->suspend(cpu_dai); | |
609 | platform->suspended = 1; | |
610 | } | |
db2a4165 FM |
611 | } |
612 | ||
613 | /* close any waiting streams and save state */ | |
f0fba2ad | 614 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 615 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 616 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 617 | } |
db2a4165 | 618 | |
f0fba2ad | 619 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 620 | |
f0fba2ad | 621 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
622 | continue; |
623 | ||
7bd3a6f3 MB |
624 | snd_soc_dapm_stream_event(&card->rtd[i], |
625 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 626 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 627 | |
7bd3a6f3 MB |
628 | snd_soc_dapm_stream_event(&card->rtd[i], |
629 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 630 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
631 | } |
632 | ||
e2d32ff6 MB |
633 | /* Recheck all analogue paths too */ |
634 | dapm_mark_io_dirty(&card->dapm); | |
635 | snd_soc_dapm_sync(&card->dapm); | |
636 | ||
f0fba2ad | 637 | /* suspend all CODECs */ |
2eea392d | 638 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
639 | /* If there are paths active then the CODEC will be held with |
640 | * bias _ON and should not be suspended. */ | |
641 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 642 | switch (codec->dapm.bias_level) { |
f0fba2ad | 643 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
644 | /* |
645 | * If the CODEC is capable of idle | |
646 | * bias off then being in STANDBY | |
647 | * means it's doing something, | |
648 | * otherwise fall through. | |
649 | */ | |
650 | if (codec->dapm.idle_bias_off) { | |
651 | dev_dbg(codec->dev, | |
10e8aa9a | 652 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
653 | break; |
654 | } | |
f0fba2ad | 655 | case SND_SOC_BIAS_OFF: |
84b315ee | 656 | codec->driver->suspend(codec); |
f0fba2ad | 657 | codec->suspended = 1; |
7be4ba24 | 658 | codec->cache_sync = 1; |
e2c330b9 LPC |
659 | if (codec->component.regmap) |
660 | regcache_mark_dirty(codec->component.regmap); | |
988e8cc4 NC |
661 | /* deactivate pins to sleep state */ |
662 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
663 | break; |
664 | default: | |
10e8aa9a MM |
665 | dev_dbg(codec->dev, |
666 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
667 | break; |
668 | } | |
1547aba9 MB |
669 | } |
670 | } | |
db2a4165 | 671 | |
f0fba2ad LG |
672 | for (i = 0; i < card->num_rtd; i++) { |
673 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 674 | |
f0fba2ad | 675 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
676 | continue; |
677 | ||
f0fba2ad LG |
678 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
679 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
680 | |
681 | /* deactivate pins to sleep state */ | |
682 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
683 | } |
684 | ||
87506549 | 685 | if (card->suspend_post) |
70b2ac12 | 686 | card->suspend_post(card); |
db2a4165 FM |
687 | |
688 | return 0; | |
689 | } | |
6f8ab4ac | 690 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 691 | |
6ed25978 AG |
692 | /* deferred resume work, so resume can complete before we finished |
693 | * setting our codec back up, which can be very slow on I2C | |
694 | */ | |
695 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 696 | { |
f0fba2ad LG |
697 | struct snd_soc_card *card = |
698 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 699 | struct snd_soc_codec *codec; |
db2a4165 FM |
700 | int i; |
701 | ||
6ed25978 AG |
702 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
703 | * so userspace apps are blocked from touching us | |
704 | */ | |
705 | ||
f110bfc7 | 706 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 707 | |
9949788b | 708 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 709 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 710 | |
87506549 | 711 | if (card->resume_pre) |
70b2ac12 | 712 | card->resume_pre(card); |
db2a4165 | 713 | |
f0fba2ad LG |
714 | /* resume AC97 DAIs */ |
715 | for (i = 0; i < card->num_rtd; i++) { | |
716 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 717 | |
f0fba2ad | 718 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
719 | continue; |
720 | ||
f0fba2ad LG |
721 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
722 | cpu_dai->driver->resume(cpu_dai); | |
723 | } | |
724 | ||
2eea392d | 725 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
726 | /* If the CODEC was idle over suspend then it will have been |
727 | * left with bias OFF or STANDBY and suspended so we must now | |
728 | * resume. Otherwise the suspend was suppressed. | |
729 | */ | |
730 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 731 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
732 | case SND_SOC_BIAS_STANDBY: |
733 | case SND_SOC_BIAS_OFF: | |
734 | codec->driver->resume(codec); | |
735 | codec->suspended = 0; | |
736 | break; | |
737 | default: | |
10e8aa9a MM |
738 | dev_dbg(codec->dev, |
739 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
740 | break; |
741 | } | |
1547aba9 MB |
742 | } |
743 | } | |
db2a4165 | 744 | |
f0fba2ad | 745 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 746 | |
f0fba2ad | 747 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
748 | continue; |
749 | ||
7bd3a6f3 | 750 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 751 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 752 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 753 | |
7bd3a6f3 | 754 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 755 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 756 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
757 | } |
758 | ||
3ff3f64b | 759 | /* unmute any active DACs */ |
f0fba2ad LG |
760 | for (i = 0; i < card->num_rtd; i++) { |
761 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
762 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 763 | |
f0fba2ad | 764 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
765 | continue; |
766 | ||
f0fba2ad LG |
767 | if (drv->ops->digital_mute && dai->playback_active) |
768 | drv->ops->digital_mute(dai, 0); | |
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; | |
773 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 774 | |
f0fba2ad | 775 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
776 | continue; |
777 | ||
f0fba2ad LG |
778 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
779 | cpu_dai->driver->resume(cpu_dai); | |
780 | if (platform->driver->resume && platform->suspended) { | |
781 | platform->driver->resume(cpu_dai); | |
782 | platform->suspended = 0; | |
783 | } | |
db2a4165 FM |
784 | } |
785 | ||
87506549 | 786 | if (card->resume_post) |
70b2ac12 | 787 | card->resume_post(card); |
db2a4165 | 788 | |
f110bfc7 | 789 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
790 | |
791 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 792 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
793 | |
794 | /* Recheck all analogue paths too */ | |
795 | dapm_mark_io_dirty(&card->dapm); | |
796 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
797 | } |
798 | ||
799 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 800 | int snd_soc_resume(struct device *dev) |
6ed25978 | 801 | { |
6f8ab4ac | 802 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 803 | int i, ac97_control = 0; |
b9dd94a8 | 804 | |
5ff1ddf2 EM |
805 | /* If the initialization of this soc device failed, there is no codec |
806 | * associated with it. Just bail out in this case. | |
807 | */ | |
808 | if (list_empty(&card->codec_dev_list)) | |
809 | return 0; | |
810 | ||
988e8cc4 NC |
811 | /* activate pins from sleep state */ |
812 | for (i = 0; i < card->num_rtd; i++) { | |
813 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
814 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
815 | if (cpu_dai->active) | |
816 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
817 | if (codec_dai->active) | |
818 | pinctrl_pm_select_default_state(codec_dai->dev); | |
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 | ||
12023a9a MLC |
850 | static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_node, |
851 | const char *codec_name) | |
852 | { | |
853 | struct snd_soc_codec *codec; | |
854 | ||
855 | list_for_each_entry(codec, &codec_list, list) { | |
856 | if (codec_of_node) { | |
857 | if (codec->dev->of_node != codec_of_node) | |
858 | continue; | |
859 | } else { | |
f4333203 | 860 | if (strcmp(codec->component.name, codec_name)) |
12023a9a MLC |
861 | continue; |
862 | } | |
863 | ||
864 | return codec; | |
865 | } | |
866 | ||
867 | return NULL; | |
868 | } | |
869 | ||
870 | static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec, | |
871 | const char *codec_dai_name) | |
872 | { | |
873 | struct snd_soc_dai *codec_dai; | |
874 | ||
875 | list_for_each_entry(codec_dai, &codec->component.dai_list, list) { | |
876 | if (!strcmp(codec_dai->name, codec_dai_name)) { | |
877 | return codec_dai; | |
878 | } | |
879 | } | |
880 | ||
881 | return NULL; | |
882 | } | |
883 | ||
f0fba2ad | 884 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 885 | { |
f0fba2ad LG |
886 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
887 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1438c2f6 | 888 | struct snd_soc_component *component; |
435c5e25 | 889 | struct snd_soc_platform *platform; |
12023a9a | 890 | struct snd_soc_dai *cpu_dai; |
848dd8be | 891 | const char *platform_name; |
435c5e25 | 892 | |
f110bfc7 | 893 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 894 | |
b19e6e7b | 895 | /* Find CPU DAI from registered DAIs*/ |
1438c2f6 | 896 | list_for_each_entry(component, &component_list, list) { |
bc92657a | 897 | if (dai_link->cpu_of_node && |
1438c2f6 | 898 | component->dev->of_node != dai_link->cpu_of_node) |
bc92657a SW |
899 | continue; |
900 | if (dai_link->cpu_name && | |
1438c2f6 | 901 | strcmp(dev_name(component->dev), dai_link->cpu_name)) |
bc92657a | 902 | continue; |
1438c2f6 LPC |
903 | list_for_each_entry(cpu_dai, &component->dai_list, list) { |
904 | if (dai_link->cpu_dai_name && | |
905 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
906 | continue; | |
2610ab77 | 907 | |
1438c2f6 LPC |
908 | rtd->cpu_dai = cpu_dai; |
909 | } | |
435c5e25 | 910 | } |
6308419a | 911 | |
b19e6e7b | 912 | if (!rtd->cpu_dai) { |
f110bfc7 | 913 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
914 | dai_link->cpu_dai_name); |
915 | return -EPROBE_DEFER; | |
f0fba2ad LG |
916 | } |
917 | ||
12023a9a MLC |
918 | /* Find CODEC from registered list */ |
919 | rtd->codec = soc_find_codec(dai_link->codec_of_node, | |
920 | dai_link->codec_name); | |
b19e6e7b | 921 | if (!rtd->codec) { |
f110bfc7 | 922 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
923 | dai_link->codec_name); |
924 | return -EPROBE_DEFER; | |
925 | } | |
848dd8be | 926 | |
12023a9a MLC |
927 | /* Find CODEC DAI from registered list */ |
928 | rtd->codec_dai = soc_find_codec_dai(rtd->codec, | |
929 | dai_link->codec_dai_name); | |
930 | if (!rtd->codec_dai) { | |
931 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
932 | dai_link->codec_dai_name); | |
933 | return -EPROBE_DEFER; | |
934 | } | |
935 | ||
848dd8be MB |
936 | /* if there's no platform we match on the empty platform */ |
937 | platform_name = dai_link->platform_name; | |
5a504963 | 938 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
939 | platform_name = "snd-soc-dummy"; |
940 | ||
b19e6e7b | 941 | /* find one from the set of registered platforms */ |
f0fba2ad | 942 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
943 | if (dai_link->platform_of_node) { |
944 | if (platform->dev->of_node != | |
945 | dai_link->platform_of_node) | |
946 | continue; | |
947 | } else { | |
f4333203 | 948 | if (strcmp(platform->component.name, platform_name)) |
5a504963 SW |
949 | continue; |
950 | } | |
2610ab77 SW |
951 | |
952 | rtd->platform = platform; | |
02a06d30 | 953 | } |
b19e6e7b | 954 | if (!rtd->platform) { |
f110bfc7 | 955 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 956 | dai_link->platform_name); |
b19e6e7b | 957 | return -EPROBE_DEFER; |
f0fba2ad | 958 | } |
b19e6e7b MB |
959 | |
960 | card->num_rtd++; | |
961 | ||
962 | return 0; | |
f0fba2ad LG |
963 | } |
964 | ||
d12cd198 SW |
965 | static int soc_remove_platform(struct snd_soc_platform *platform) |
966 | { | |
967 | int ret; | |
968 | ||
969 | if (platform->driver->remove) { | |
970 | ret = platform->driver->remove(platform); | |
971 | if (ret < 0) | |
f110bfc7 LG |
972 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
973 | ret); | |
d12cd198 SW |
974 | } |
975 | ||
976 | /* Make sure all DAPM widgets are freed */ | |
977 | snd_soc_dapm_free(&platform->dapm); | |
978 | ||
979 | soc_cleanup_platform_debugfs(platform); | |
980 | platform->probed = 0; | |
981 | list_del(&platform->card_list); | |
982 | module_put(platform->dev->driver->owner); | |
983 | ||
984 | return 0; | |
985 | } | |
986 | ||
589c3563 JN |
987 | static void soc_remove_codec(struct snd_soc_codec *codec) |
988 | { | |
989 | int err; | |
990 | ||
991 | if (codec->driver->remove) { | |
992 | err = codec->driver->remove(codec); | |
993 | if (err < 0) | |
f110bfc7 | 994 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
995 | } |
996 | ||
997 | /* Make sure all DAPM widgets are freed */ | |
998 | snd_soc_dapm_free(&codec->dapm); | |
999 | ||
1000 | soc_cleanup_codec_debugfs(codec); | |
1001 | codec->probed = 0; | |
1002 | list_del(&codec->card_list); | |
1003 | module_put(codec->dev->driver->owner); | |
1004 | } | |
1005 | ||
b0aa88af | 1006 | static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order) |
f0fba2ad | 1007 | { |
f0fba2ad LG |
1008 | int err; |
1009 | ||
0168bf0d LG |
1010 | if (codec_dai && codec_dai->probed && |
1011 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1012 | if (codec_dai->driver->remove) { |
1013 | err = codec_dai->driver->remove(codec_dai); | |
1014 | if (err < 0) | |
f110bfc7 LG |
1015 | dev_err(codec_dai->dev, |
1016 | "ASoC: failed to remove %s: %d\n", | |
1017 | codec_dai->name, err); | |
6b05eda6 | 1018 | } |
f0fba2ad | 1019 | codec_dai->probed = 0; |
f0fba2ad | 1020 | } |
b0aa88af MLC |
1021 | } |
1022 | ||
1023 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
1024 | { | |
1025 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1026 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; | |
1027 | int err; | |
1028 | ||
1029 | /* unregister the rtd device */ | |
1030 | if (rtd->dev_registered) { | |
1031 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
1032 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1033 | device_unregister(rtd->dev); | |
1034 | rtd->dev_registered = 0; | |
1035 | } | |
1036 | ||
1037 | /* remove the CODEC DAI */ | |
1038 | soc_remove_codec_dai(codec_dai, order); | |
6b05eda6 | 1039 | |
f0fba2ad | 1040 | /* remove the cpu_dai */ |
0168bf0d LG |
1041 | if (cpu_dai && cpu_dai->probed && |
1042 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1043 | if (cpu_dai->driver->remove) { |
1044 | err = cpu_dai->driver->remove(cpu_dai); | |
1045 | if (err < 0) | |
f110bfc7 LG |
1046 | dev_err(cpu_dai->dev, |
1047 | "ASoC: failed to remove %s: %d\n", | |
1048 | cpu_dai->name, err); | |
db2a4165 | 1049 | } |
f0fba2ad | 1050 | cpu_dai->probed = 0; |
a9db7dbe | 1051 | |
18d75644 SW |
1052 | if (!cpu_dai->codec) { |
1053 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1054 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1055 | } |
db2a4165 | 1056 | } |
f0fba2ad | 1057 | } |
db2a4165 | 1058 | |
62ae68fa SW |
1059 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1060 | int order) | |
1061 | { | |
1062 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1063 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1064 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1065 | struct snd_soc_platform *platform = rtd->platform; | |
1066 | struct snd_soc_codec *codec; | |
1067 | ||
1068 | /* remove the platform */ | |
1069 | if (platform && platform->probed && | |
1070 | platform->driver->remove_order == order) { | |
1071 | soc_remove_platform(platform); | |
1072 | } | |
1073 | ||
1074 | /* remove the CODEC-side CODEC */ | |
1075 | if (codec_dai) { | |
1076 | codec = codec_dai->codec; | |
1077 | if (codec && codec->probed && | |
1078 | codec->driver->remove_order == order) | |
1079 | soc_remove_codec(codec); | |
1080 | } | |
1081 | ||
1082 | /* remove any CPU-side CODEC */ | |
1083 | if (cpu_dai) { | |
1084 | codec = cpu_dai->codec; | |
1085 | if (codec && codec->probed && | |
1086 | codec->driver->remove_order == order) | |
1087 | soc_remove_codec(codec); | |
1088 | } | |
1089 | } | |
1090 | ||
0671fd8e KM |
1091 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1092 | { | |
0168bf0d | 1093 | int dai, order; |
0671fd8e | 1094 | |
0168bf0d LG |
1095 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1096 | order++) { | |
1097 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1098 | soc_remove_link_dais(card, dai, order); |
1099 | } | |
1100 | ||
1101 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1102 | order++) { | |
1103 | for (dai = 0; dai < card->num_rtd; dai++) | |
1104 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1105 | } |
62ae68fa | 1106 | |
0671fd8e KM |
1107 | card->num_rtd = 0; |
1108 | } | |
1109 | ||
ead9b919 | 1110 | static void soc_set_name_prefix(struct snd_soc_card *card, |
94f99c87 | 1111 | struct snd_soc_component *component) |
ead9b919 JN |
1112 | { |
1113 | int i; | |
1114 | ||
ff819b83 | 1115 | if (card->codec_conf == NULL) |
ead9b919 JN |
1116 | return; |
1117 | ||
ff819b83 DP |
1118 | for (i = 0; i < card->num_configs; i++) { |
1119 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
94f99c87 | 1120 | if (map->of_node && component->dev->of_node != map->of_node) |
3ca041ed | 1121 | continue; |
94f99c87 | 1122 | if (map->dev_name && strcmp(component->name, map->dev_name)) |
3ca041ed | 1123 | continue; |
94f99c87 | 1124 | component->name_prefix = map->name_prefix; |
3ca041ed | 1125 | break; |
ead9b919 JN |
1126 | } |
1127 | } | |
1128 | ||
589c3563 JN |
1129 | static int soc_probe_codec(struct snd_soc_card *card, |
1130 | struct snd_soc_codec *codec) | |
1131 | { | |
1132 | int ret = 0; | |
89b95ac0 | 1133 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1134 | struct snd_soc_dai *dai; |
589c3563 JN |
1135 | |
1136 | codec->card = card; | |
1137 | codec->dapm.card = card; | |
94f99c87 | 1138 | soc_set_name_prefix(card, &codec->component); |
589c3563 | 1139 | |
70d29331 JN |
1140 | if (!try_module_get(codec->dev->driver->owner)) |
1141 | return -ENODEV; | |
1142 | ||
d5d1e0be LPC |
1143 | soc_init_codec_debugfs(codec); |
1144 | ||
b318ad50 NP |
1145 | if (driver->dapm_widgets) { |
1146 | ret = snd_soc_dapm_new_controls(&codec->dapm, | |
1147 | driver->dapm_widgets, | |
1148 | driver->num_dapm_widgets); | |
1149 | ||
1150 | if (ret != 0) { | |
1151 | dev_err(codec->dev, | |
1152 | "Failed to create new controls %d\n", ret); | |
1153 | goto err_probe; | |
1154 | } | |
1155 | } | |
77530150 | 1156 | |
888df395 | 1157 | /* Create DAPM widgets for each DAI stream */ |
261edc70 NP |
1158 | list_for_each_entry(dai, &codec->component.dai_list, list) { |
1159 | ret = snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); | |
1160 | ||
1161 | if (ret != 0) { | |
1162 | dev_err(codec->dev, | |
1163 | "Failed to create DAI widgets %d\n", ret); | |
1164 | goto err_probe; | |
1165 | } | |
1166 | } | |
888df395 | 1167 | |
33c5f969 MB |
1168 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1169 | ||
89b95ac0 MB |
1170 | if (driver->probe) { |
1171 | ret = driver->probe(codec); | |
589c3563 JN |
1172 | if (ret < 0) { |
1173 | dev_err(codec->dev, | |
f110bfc7 | 1174 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1175 | goto err_probe; |
589c3563 | 1176 | } |
ff541f4b CL |
1177 | WARN(codec->dapm.idle_bias_off && |
1178 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a | 1179 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
f4333203 | 1180 | codec->component.name); |
589c3563 JN |
1181 | } |
1182 | ||
b7af1daf | 1183 | if (driver->controls) |
022658be | 1184 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1185 | driver->num_controls); |
89b95ac0 MB |
1186 | if (driver->dapm_routes) |
1187 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1188 | driver->num_dapm_routes); | |
1189 | ||
589c3563 JN |
1190 | /* mark codec as probed and add to card codec list */ |
1191 | codec->probed = 1; | |
1192 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1193 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1194 | |
70d29331 JN |
1195 | return 0; |
1196 | ||
1197 | err_probe: | |
d5d1e0be | 1198 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1199 | module_put(codec->dev->driver->owner); |
1200 | ||
589c3563 JN |
1201 | return ret; |
1202 | } | |
1203 | ||
956245e9 LG |
1204 | static int soc_probe_platform(struct snd_soc_card *card, |
1205 | struct snd_soc_platform *platform) | |
1206 | { | |
1207 | int ret = 0; | |
1208 | const struct snd_soc_platform_driver *driver = platform->driver; | |
1438c2f6 | 1209 | struct snd_soc_component *component; |
be09ad90 | 1210 | struct snd_soc_dai *dai; |
956245e9 LG |
1211 | |
1212 | platform->card = card; | |
b7950641 | 1213 | platform->dapm.card = card; |
956245e9 LG |
1214 | |
1215 | if (!try_module_get(platform->dev->driver->owner)) | |
1216 | return -ENODEV; | |
1217 | ||
731f1ab2 SG |
1218 | soc_init_platform_debugfs(platform); |
1219 | ||
cb2cf612 LG |
1220 | if (driver->dapm_widgets) |
1221 | snd_soc_dapm_new_controls(&platform->dapm, | |
1222 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1223 | ||
be09ad90 | 1224 | /* Create DAPM widgets for each DAI stream */ |
1438c2f6 LPC |
1225 | list_for_each_entry(component, &component_list, list) { |
1226 | if (component->dev != platform->dev) | |
be09ad90 | 1227 | continue; |
1438c2f6 LPC |
1228 | list_for_each_entry(dai, &component->dai_list, list) |
1229 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
be09ad90 LG |
1230 | } |
1231 | ||
3fec6b6d SW |
1232 | platform->dapm.idle_bias_off = 1; |
1233 | ||
956245e9 LG |
1234 | if (driver->probe) { |
1235 | ret = driver->probe(platform); | |
1236 | if (ret < 0) { | |
1237 | dev_err(platform->dev, | |
f110bfc7 | 1238 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1239 | goto err_probe; |
1240 | } | |
1241 | } | |
1242 | ||
cb2cf612 LG |
1243 | if (driver->controls) |
1244 | snd_soc_add_platform_controls(platform, driver->controls, | |
1245 | driver->num_controls); | |
1246 | if (driver->dapm_routes) | |
1247 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1248 | driver->num_dapm_routes); | |
1249 | ||
956245e9 LG |
1250 | /* mark platform as probed and add to card platform list */ |
1251 | platform->probed = 1; | |
1252 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1253 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1254 | |
1255 | return 0; | |
1256 | ||
1257 | err_probe: | |
02db1103 | 1258 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1259 | module_put(platform->dev->driver->owner); |
1260 | ||
1261 | return ret; | |
1262 | } | |
1263 | ||
36ae1a96 MB |
1264 | static void rtd_release(struct device *dev) |
1265 | { | |
1266 | kfree(dev); | |
1267 | } | |
f0fba2ad | 1268 | |
503ae5e0 MLC |
1269 | static int soc_aux_dev_init(struct snd_soc_card *card, |
1270 | struct snd_soc_codec *codec, | |
1271 | int num) | |
1272 | { | |
1273 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1274 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
503ae5e0 MLC |
1275 | int ret; |
1276 | ||
1277 | rtd->card = card; | |
1278 | ||
503ae5e0 MLC |
1279 | /* do machine specific initialization */ |
1280 | if (aux_dev->init) { | |
1281 | ret = aux_dev->init(&codec->dapm); | |
1282 | if (ret < 0) | |
1283 | return ret; | |
1284 | } | |
1285 | ||
503ae5e0 MLC |
1286 | rtd->codec = codec; |
1287 | ||
1288 | return 0; | |
1289 | } | |
1290 | ||
1291 | static int soc_dai_link_init(struct snd_soc_card *card, | |
1292 | struct snd_soc_codec *codec, | |
1293 | int num) | |
1294 | { | |
1295 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1296 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
503ae5e0 MLC |
1297 | int ret; |
1298 | ||
1299 | rtd->card = card; | |
1300 | ||
503ae5e0 MLC |
1301 | /* do machine specific initialization */ |
1302 | if (dai_link->init) { | |
1303 | ret = dai_link->init(rtd); | |
1304 | if (ret < 0) | |
1305 | return ret; | |
1306 | } | |
1307 | ||
503ae5e0 MLC |
1308 | rtd->codec = codec; |
1309 | ||
1310 | return 0; | |
1311 | } | |
1312 | ||
589c3563 JN |
1313 | static int soc_post_component_init(struct snd_soc_card *card, |
1314 | struct snd_soc_codec *codec, | |
1315 | int num, int dailess) | |
1316 | { | |
1317 | struct snd_soc_dai_link *dai_link = NULL; | |
1318 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1319 | struct snd_soc_pcm_runtime *rtd; | |
6479f15a | 1320 | const char *name; |
589c3563 JN |
1321 | int ret = 0; |
1322 | ||
1323 | if (!dailess) { | |
1324 | dai_link = &card->dai_link[num]; | |
1325 | rtd = &card->rtd[num]; | |
1326 | name = dai_link->name; | |
503ae5e0 | 1327 | ret = soc_dai_link_init(card, codec, num); |
589c3563 JN |
1328 | } else { |
1329 | aux_dev = &card->aux_dev[num]; | |
1330 | rtd = &card->rtd_aux[num]; | |
1331 | name = aux_dev->name; | |
503ae5e0 | 1332 | ret = soc_aux_dev_init(card, codec, num); |
589c3563 JN |
1333 | } |
1334 | ||
589c3563 | 1335 | if (ret < 0) { |
f110bfc7 | 1336 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1337 | return ret; |
1338 | } | |
589c3563 | 1339 | |
589c3563 | 1340 | /* register the rtd device */ |
36ae1a96 MB |
1341 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); |
1342 | if (!rtd->dev) | |
1343 | return -ENOMEM; | |
1344 | device_initialize(rtd->dev); | |
1345 | rtd->dev->parent = card->dev; | |
1346 | rtd->dev->release = rtd_release; | |
1347 | rtd->dev->init_name = name; | |
1348 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1349 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1350 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1351 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1352 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1353 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1354 | ret = device_add(rtd->dev); |
589c3563 | 1355 | if (ret < 0) { |
865df9cb CL |
1356 | /* calling put_device() here to free the rtd->dev */ |
1357 | put_device(rtd->dev); | |
589c3563 | 1358 | dev_err(card->dev, |
f110bfc7 | 1359 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1360 | return ret; |
1361 | } | |
1362 | rtd->dev_registered = 1; | |
1363 | ||
1364 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1365 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1366 | if (ret < 0) |
1367 | dev_err(codec->dev, | |
f110bfc7 | 1368 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1369 | |
1370 | /* add codec sysfs entries */ | |
36ae1a96 | 1371 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1372 | if (ret < 0) |
1373 | dev_err(codec->dev, | |
f110bfc7 | 1374 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1375 | |
f86dcef8 LG |
1376 | #ifdef CONFIG_DEBUG_FS |
1377 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1378 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1379 | goto out; |
1380 | ||
1381 | ret = soc_dpcm_debugfs_add(rtd); | |
1382 | if (ret < 0) | |
f110bfc7 | 1383 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1384 | |
1385 | out: | |
1386 | #endif | |
589c3563 JN |
1387 | return 0; |
1388 | } | |
1389 | ||
62ae68fa SW |
1390 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1391 | int order) | |
1392 | { | |
1393 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1394 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1395 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1396 | struct snd_soc_platform *platform = rtd->platform; | |
1397 | int ret; | |
1398 | ||
1399 | /* probe the CPU-side component, if it is a CODEC */ | |
1400 | if (cpu_dai->codec && | |
1401 | !cpu_dai->codec->probed && | |
1402 | cpu_dai->codec->driver->probe_order == order) { | |
1403 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1404 | if (ret < 0) | |
1405 | return ret; | |
1406 | } | |
1407 | ||
1408 | /* probe the CODEC-side component */ | |
1409 | if (!codec_dai->codec->probed && | |
1410 | codec_dai->codec->driver->probe_order == order) { | |
1411 | ret = soc_probe_codec(card, codec_dai->codec); | |
1412 | if (ret < 0) | |
1413 | return ret; | |
1414 | } | |
1415 | ||
1416 | /* probe the platform */ | |
1417 | if (!platform->probed && | |
1418 | platform->driver->probe_order == order) { | |
1419 | ret = soc_probe_platform(card, platform); | |
1420 | if (ret < 0) | |
1421 | return ret; | |
1422 | } | |
1423 | ||
1424 | return 0; | |
1425 | } | |
1426 | ||
b0aa88af MLC |
1427 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1428 | struct snd_soc_dai *codec_dai, | |
1429 | int order) | |
1430 | { | |
1431 | int ret; | |
1432 | ||
1433 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1434 | if (codec_dai->driver->probe) { | |
1435 | ret = codec_dai->driver->probe(codec_dai); | |
1436 | if (ret < 0) { | |
1437 | dev_err(codec_dai->dev, | |
1438 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1439 | codec_dai->name, ret); | |
1440 | return ret; | |
1441 | } | |
1442 | } | |
1443 | ||
1444 | /* mark codec_dai as probed and add to card dai list */ | |
1445 | codec_dai->probed = 1; | |
b0aa88af MLC |
1446 | } |
1447 | ||
1448 | return 0; | |
1449 | } | |
1450 | ||
2436a723 MLC |
1451 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1452 | struct snd_soc_dai_link *dai_link, | |
1453 | struct snd_soc_dai *cpu_dai, | |
1454 | struct snd_soc_dai *codec_dai) | |
1455 | { | |
1456 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
1457 | int ret; | |
1458 | ||
1459 | /* link the DAI widgets */ | |
1460 | play_w = codec_dai->playback_widget; | |
1461 | capture_w = cpu_dai->capture_widget; | |
1462 | if (play_w && capture_w) { | |
1463 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1464 | capture_w, play_w); | |
1465 | if (ret != 0) { | |
1466 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1467 | play_w->name, capture_w->name, ret); | |
1468 | return ret; | |
1469 | } | |
1470 | } | |
1471 | ||
1472 | play_w = cpu_dai->playback_widget; | |
1473 | capture_w = codec_dai->capture_widget; | |
1474 | if (play_w && capture_w) { | |
1475 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1476 | capture_w, play_w); | |
1477 | if (ret != 0) { | |
1478 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1479 | play_w->name, capture_w->name, ret); | |
1480 | return ret; | |
1481 | } | |
1482 | } | |
1483 | ||
1484 | return 0; | |
1485 | } | |
1486 | ||
62ae68fa | 1487 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1488 | { |
1489 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1490 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1491 | struct snd_soc_codec *codec = rtd->codec; | |
1492 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1493 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1494 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
f0fba2ad LG |
1495 | int ret; |
1496 | ||
f110bfc7 | 1497 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1498 | card->name, num, order); |
f0fba2ad LG |
1499 | |
1500 | /* config components */ | |
f0fba2ad | 1501 | cpu_dai->platform = platform; |
f0fba2ad LG |
1502 | codec_dai->card = card; |
1503 | cpu_dai->card = card; | |
1504 | ||
1505 | /* set default power off timeout */ | |
1506 | rtd->pmdown_time = pmdown_time; | |
1507 | ||
1508 | /* probe the cpu_dai */ | |
0168bf0d LG |
1509 | if (!cpu_dai->probed && |
1510 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1511 | if (!cpu_dai->codec) { |
1512 | cpu_dai->dapm.card = card; | |
1513 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1514 | return -ENODEV; | |
61b61e3c | 1515 | |
18d75644 | 1516 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe | 1517 | } |
be09ad90 | 1518 | |
f0fba2ad LG |
1519 | if (cpu_dai->driver->probe) { |
1520 | ret = cpu_dai->driver->probe(cpu_dai); | |
1521 | if (ret < 0) { | |
f110bfc7 LG |
1522 | dev_err(cpu_dai->dev, |
1523 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1524 | cpu_dai->name, ret); | |
61b61e3c | 1525 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1526 | return ret; |
1527 | } | |
1528 | } | |
1529 | cpu_dai->probed = 1; | |
db2a4165 FM |
1530 | } |
1531 | ||
f0fba2ad | 1532 | /* probe the CODEC DAI */ |
b0aa88af MLC |
1533 | ret = soc_probe_codec_dai(card, codec_dai, order); |
1534 | if (ret) | |
1535 | return ret; | |
fe3e78e0 | 1536 | |
0168bf0d LG |
1537 | /* complete DAI probe during last probe */ |
1538 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1539 | return 0; | |
1540 | ||
589c3563 JN |
1541 | ret = soc_post_component_init(card, codec, num, 0); |
1542 | if (ret) | |
f0fba2ad | 1543 | return ret; |
fe3e78e0 | 1544 | |
36ae1a96 | 1545 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1546 | if (ret < 0) |
f110bfc7 LG |
1547 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1548 | ret); | |
f0fba2ad | 1549 | |
1245b700 NK |
1550 | if (cpu_dai->driver->compress_dai) { |
1551 | /*create compress_device"*/ | |
1552 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1553 | if (ret < 0) { |
f110bfc7 | 1554 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1555 | dai_link->stream_name); |
c74184ed MB |
1556 | return ret; |
1557 | } | |
1558 | } else { | |
1245b700 NK |
1559 | |
1560 | if (!dai_link->params) { | |
1561 | /* create the pcm */ | |
1562 | ret = soc_new_pcm(rtd, num); | |
1563 | if (ret < 0) { | |
f110bfc7 | 1564 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1565 | dai_link->stream_name, ret); |
c74184ed MB |
1566 | return ret; |
1567 | } | |
1245b700 | 1568 | } else { |
9d58a077 RF |
1569 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1570 | codec2codec_close_delayed_work); | |
1571 | ||
1245b700 | 1572 | /* link the DAI widgets */ |
2436a723 MLC |
1573 | ret = soc_link_dai_widgets(card, dai_link, |
1574 | cpu_dai, codec_dai); | |
1575 | if (ret) | |
1576 | return ret; | |
c74184ed | 1577 | } |
f0fba2ad LG |
1578 | } |
1579 | ||
1580 | /* add platform data for AC97 devices */ | |
1581 | if (rtd->codec_dai->driver->ac97_control) | |
1582 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1583 | ||
1584 | return 0; | |
1585 | } | |
1586 | ||
fe3e78e0 | 1587 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 MLC |
1588 | static int soc_register_ac97_codec(struct snd_soc_codec *codec, |
1589 | struct snd_soc_dai *codec_dai) | |
f0fba2ad LG |
1590 | { |
1591 | int ret; | |
1592 | ||
fe3e78e0 MB |
1593 | /* Only instantiate AC97 if not already done by the adaptor |
1594 | * for the generic AC97 subsystem. | |
1595 | */ | |
02c9c7b9 | 1596 | if (codec_dai->driver->ac97_control && !codec->ac97_registered) { |
0562f788 MW |
1597 | /* |
1598 | * It is possible that the AC97 device is already registered to | |
1599 | * the device subsystem. This happens when the device is created | |
1600 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1601 | * is the generic AC97 glue but others migh emerge. | |
1602 | * | |
1603 | * In those cases we don't try to register the device again. | |
1604 | */ | |
02c9c7b9 | 1605 | if (!codec->ac97_created) |
0562f788 | 1606 | return 0; |
f0fba2ad | 1607 | |
02c9c7b9 | 1608 | ret = soc_ac97_dev_register(codec); |
fe3e78e0 | 1609 | if (ret < 0) { |
02c9c7b9 | 1610 | dev_err(codec->dev, |
f110bfc7 | 1611 | "ASoC: AC97 device register failed: %d\n", ret); |
f0fba2ad | 1612 | return ret; |
fe3e78e0 | 1613 | } |
f0fba2ad | 1614 | |
02c9c7b9 | 1615 | codec->ac97_registered = 1; |
fe3e78e0 | 1616 | } |
f0fba2ad LG |
1617 | return 0; |
1618 | } | |
1619 | ||
02c9c7b9 MLC |
1620 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1621 | { | |
1622 | return soc_register_ac97_codec(rtd->codec, rtd->codec_dai); | |
1623 | } | |
1624 | ||
1625 | static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) | |
f0fba2ad LG |
1626 | { |
1627 | if (codec->ac97_registered) { | |
1628 | soc_ac97_dev_unregister(codec); | |
1629 | codec->ac97_registered = 0; | |
1630 | } | |
1631 | } | |
02c9c7b9 MLC |
1632 | |
1633 | static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) | |
1634 | { | |
1635 | soc_unregister_ac97_codec(rtd->codec); | |
1636 | } | |
fe3e78e0 MB |
1637 | #endif |
1638 | ||
6b0a0b3b LPC |
1639 | static struct snd_soc_codec *soc_find_matching_codec(struct snd_soc_card *card, |
1640 | int num) | |
b19e6e7b MB |
1641 | { |
1642 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1643 | struct snd_soc_codec *codec; | |
1644 | ||
3ca041ed | 1645 | /* find CODEC from registered CODECs */ |
b19e6e7b | 1646 | list_for_each_entry(codec, &codec_list, list) { |
3ca041ed SR |
1647 | if (aux_dev->codec_of_node && |
1648 | (codec->dev->of_node != aux_dev->codec_of_node)) | |
1649 | continue; | |
f4333203 LPC |
1650 | if (aux_dev->codec_name && |
1651 | strcmp(codec->component.name, aux_dev->codec_name)) | |
3ca041ed SR |
1652 | continue; |
1653 | return codec; | |
b19e6e7b MB |
1654 | } |
1655 | ||
3ca041ed SR |
1656 | return NULL; |
1657 | } | |
fb099cb7 | 1658 | |
3ca041ed SR |
1659 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1660 | { | |
1661 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1662 | const char *codecname = aux_dev->codec_name; | |
1663 | struct snd_soc_codec *codec = soc_find_matching_codec(card, num); | |
1664 | ||
1665 | if (codec) | |
1666 | return 0; | |
1667 | if (aux_dev->codec_of_node) | |
1668 | codecname = of_node_full_name(aux_dev->codec_of_node); | |
fb099cb7 | 1669 | |
3ca041ed | 1670 | dev_err(card->dev, "ASoC: %s not registered\n", codecname); |
b19e6e7b MB |
1671 | return -EPROBE_DEFER; |
1672 | } | |
1673 | ||
2eea392d JN |
1674 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1675 | { | |
1676 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
3ca041ed | 1677 | const char *codecname = aux_dev->codec_name; |
676ad98a | 1678 | int ret = -ENODEV; |
3ca041ed | 1679 | struct snd_soc_codec *codec = soc_find_matching_codec(card, num); |
2eea392d | 1680 | |
3ca041ed SR |
1681 | if (!codec) { |
1682 | if (aux_dev->codec_of_node) | |
1683 | codecname = of_node_full_name(aux_dev->codec_of_node); | |
1684 | ||
1685 | /* codec not found */ | |
1686 | dev_err(card->dev, "ASoC: codec %s not found", codecname); | |
1687 | return -EPROBE_DEFER; | |
1688 | } | |
1689 | ||
1690 | if (codec->probed) { | |
1691 | dev_err(codec->dev, "ASoC: codec already probed"); | |
1692 | return -EBUSY; | |
2eea392d JN |
1693 | } |
1694 | ||
589c3563 | 1695 | ret = soc_probe_codec(card, codec); |
2eea392d | 1696 | if (ret < 0) |
589c3563 | 1697 | return ret; |
2eea392d | 1698 | |
589c3563 | 1699 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d | 1700 | |
2eea392d JN |
1701 | return ret; |
1702 | } | |
1703 | ||
1704 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1705 | { | |
1706 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1707 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1708 | |
1709 | /* unregister the rtd device */ | |
1710 | if (rtd->dev_registered) { | |
36ae1a96 | 1711 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1712 | device_unregister(rtd->dev); |
2eea392d JN |
1713 | rtd->dev_registered = 0; |
1714 | } | |
1715 | ||
589c3563 JN |
1716 | if (codec && codec->probed) |
1717 | soc_remove_codec(codec); | |
2eea392d JN |
1718 | } |
1719 | ||
f90fb3f7 | 1720 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1721 | { |
1722 | int ret; | |
1723 | ||
1724 | if (codec->cache_init) | |
1725 | return 0; | |
1726 | ||
fdf0f54d DP |
1727 | ret = snd_soc_cache_init(codec); |
1728 | if (ret < 0) { | |
10e8aa9a MM |
1729 | dev_err(codec->dev, |
1730 | "ASoC: Failed to set cache compression type: %d\n", | |
1731 | ret); | |
fdf0f54d DP |
1732 | return ret; |
1733 | } | |
1734 | codec->cache_init = 1; | |
1735 | return 0; | |
1736 | } | |
1737 | ||
b19e6e7b | 1738 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1739 | { |
fdf0f54d | 1740 | struct snd_soc_codec *codec; |
75d9ac46 | 1741 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1742 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1743 | |
01b9d99a | 1744 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1745 | |
f0fba2ad | 1746 | /* bind DAIs */ |
b19e6e7b MB |
1747 | for (i = 0; i < card->num_links; i++) { |
1748 | ret = soc_bind_dai_link(card, i); | |
1749 | if (ret != 0) | |
1750 | goto base_error; | |
1751 | } | |
fe3e78e0 | 1752 | |
b19e6e7b MB |
1753 | /* check aux_devs too */ |
1754 | for (i = 0; i < card->num_aux_devs; i++) { | |
1755 | ret = soc_check_aux_dev(card, i); | |
1756 | if (ret != 0) | |
1757 | goto base_error; | |
f0fba2ad | 1758 | } |
435c5e25 | 1759 | |
fdf0f54d DP |
1760 | /* initialize the register cache for each available codec */ |
1761 | list_for_each_entry(codec, &codec_list, list) { | |
1762 | if (codec->cache_init) | |
1763 | continue; | |
f90fb3f7 | 1764 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1765 | if (ret < 0) |
1766 | goto base_error; | |
fdf0f54d DP |
1767 | } |
1768 | ||
f0fba2ad | 1769 | /* card bind complete so register a sound card */ |
102b5a8d | 1770 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1771 | card->owner, 0, &card->snd_card); |
1772 | if (ret < 0) { | |
10e8aa9a MM |
1773 | dev_err(card->dev, |
1774 | "ASoC: can't create sound card for card %s: %d\n", | |
1775 | card->name, ret); | |
b19e6e7b | 1776 | goto base_error; |
f0fba2ad | 1777 | } |
f0fba2ad | 1778 | |
e37a4970 MB |
1779 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1780 | card->dapm.dev = card->dev; | |
1781 | card->dapm.card = card; | |
1782 | list_add(&card->dapm.list, &card->dapm_list); | |
1783 | ||
d5d1e0be LPC |
1784 | #ifdef CONFIG_DEBUG_FS |
1785 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1786 | #endif | |
1787 | ||
88ee1c61 | 1788 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1789 | /* deferred resume work */ |
1790 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1791 | #endif | |
db2a4165 | 1792 | |
9a841ebb MB |
1793 | if (card->dapm_widgets) |
1794 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1795 | card->num_dapm_widgets); | |
1796 | ||
f0fba2ad LG |
1797 | /* initialise the sound card only once */ |
1798 | if (card->probe) { | |
e7361ec4 | 1799 | ret = card->probe(card); |
f0fba2ad LG |
1800 | if (ret < 0) |
1801 | goto card_probe_error; | |
1802 | } | |
fe3e78e0 | 1803 | |
62ae68fa | 1804 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1805 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1806 | order++) { | |
1807 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1808 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1809 | if (ret < 0) { |
f110bfc7 LG |
1810 | dev_err(card->dev, |
1811 | "ASoC: failed to instantiate card %d\n", | |
1812 | ret); | |
62ae68fa SW |
1813 | goto probe_dai_err; |
1814 | } | |
1815 | } | |
1816 | } | |
1817 | ||
1818 | /* probe all DAI links on this card */ | |
1819 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1820 | order++) { | |
1821 | for (i = 0; i < card->num_links; i++) { | |
1822 | ret = soc_probe_link_dais(card, i, order); | |
1823 | if (ret < 0) { | |
f110bfc7 LG |
1824 | dev_err(card->dev, |
1825 | "ASoC: failed to instantiate card %d\n", | |
1826 | ret); | |
0168bf0d LG |
1827 | goto probe_dai_err; |
1828 | } | |
f0fba2ad LG |
1829 | } |
1830 | } | |
db2a4165 | 1831 | |
2eea392d JN |
1832 | for (i = 0; i < card->num_aux_devs; i++) { |
1833 | ret = soc_probe_aux_dev(card, i); | |
1834 | if (ret < 0) { | |
f110bfc7 LG |
1835 | dev_err(card->dev, |
1836 | "ASoC: failed to add auxiliary devices %d\n", | |
1837 | ret); | |
2eea392d JN |
1838 | goto probe_aux_dev_err; |
1839 | } | |
1840 | } | |
1841 | ||
888df395 | 1842 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1843 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1844 | |
b7af1daf | 1845 | if (card->controls) |
022658be | 1846 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1847 | |
b8ad29de MB |
1848 | if (card->dapm_routes) |
1849 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1850 | card->num_dapm_routes); | |
1851 | ||
75d9ac46 MB |
1852 | for (i = 0; i < card->num_links; i++) { |
1853 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1854 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1855 | |
f04209a7 | 1856 | if (dai_fmt) { |
75d9ac46 | 1857 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1858 | dai_fmt); |
5e4ba569 | 1859 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1860 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1861 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1862 | ret); |
f04209a7 MB |
1863 | } |
1864 | ||
1865 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1866 | if (dai_fmt && |
1867 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1868 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1869 | dai_fmt); | |
1870 | if (ret != 0 && ret != -ENOTSUPP) | |
1871 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1872 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1873 | ret); |
1874 | } else if (dai_fmt) { | |
1875 | /* Flip the polarity for the "CPU" end */ | |
1876 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1877 | switch (dai_link->dai_fmt & | |
1878 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1879 | case SND_SOC_DAIFMT_CBM_CFM: | |
1880 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1881 | break; | |
1882 | case SND_SOC_DAIFMT_CBM_CFS: | |
1883 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1884 | break; | |
1885 | case SND_SOC_DAIFMT_CBS_CFM: | |
1886 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1887 | break; | |
1888 | case SND_SOC_DAIFMT_CBS_CFS: | |
1889 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1890 | break; | |
1891 | } | |
75d9ac46 MB |
1892 | |
1893 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1894 | dai_fmt); |
5e4ba569 | 1895 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1896 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1897 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1898 | ret); |
1899 | } | |
1900 | } | |
1901 | ||
f0fba2ad | 1902 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1903 | "%s", card->name); |
22de71ba LG |
1904 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1905 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1906 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1907 | "%s", card->driver_name ? card->driver_name : card->name); | |
1908 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1909 | switch (card->snd_card->driver[i]) { | |
1910 | case '_': | |
1911 | case '-': | |
1912 | case '\0': | |
1913 | break; | |
1914 | default: | |
1915 | if (!isalnum(card->snd_card->driver[i])) | |
1916 | card->snd_card->driver[i] = '_'; | |
1917 | break; | |
1918 | } | |
1919 | } | |
f0fba2ad | 1920 | |
28e9ad92 MB |
1921 | if (card->late_probe) { |
1922 | ret = card->late_probe(card); | |
1923 | if (ret < 0) { | |
f110bfc7 | 1924 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1925 | card->name, ret); |
1926 | goto probe_aux_dev_err; | |
1927 | } | |
1928 | } | |
1929 | ||
1633281b | 1930 | if (card->fully_routed) |
7df37884 | 1931 | snd_soc_dapm_auto_nc_pins(card); |
1633281b | 1932 | |
824ef826 | 1933 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1934 | |
f0fba2ad LG |
1935 | ret = snd_card_register(card->snd_card); |
1936 | if (ret < 0) { | |
f110bfc7 LG |
1937 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1938 | ret); | |
6b3ed785 | 1939 | goto probe_aux_dev_err; |
db2a4165 FM |
1940 | } |
1941 | ||
f0fba2ad LG |
1942 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1943 | /* register any AC97 codecs */ | |
1944 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1945 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1946 | if (ret < 0) { | |
10e8aa9a MM |
1947 | dev_err(card->dev, |
1948 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1949 | while (--i >= 0) |
02c9c7b9 | 1950 | soc_unregister_ac97_dai_link(&card->rtd[i]); |
6b3ed785 | 1951 | goto probe_aux_dev_err; |
f0fba2ad | 1952 | } |
6b3ed785 | 1953 | } |
f0fba2ad LG |
1954 | #endif |
1955 | ||
1956 | card->instantiated = 1; | |
4f4c0072 | 1957 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1958 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1959 | |
1960 | return 0; | |
f0fba2ad | 1961 | |
2eea392d JN |
1962 | probe_aux_dev_err: |
1963 | for (i = 0; i < card->num_aux_devs; i++) | |
1964 | soc_remove_aux_dev(card, i); | |
1965 | ||
f0fba2ad | 1966 | probe_dai_err: |
0671fd8e | 1967 | soc_remove_dai_links(card); |
f0fba2ad LG |
1968 | |
1969 | card_probe_error: | |
87506549 | 1970 | if (card->remove) |
e7361ec4 | 1971 | card->remove(card); |
f0fba2ad LG |
1972 | |
1973 | snd_card_free(card->snd_card); | |
1974 | ||
b19e6e7b | 1975 | base_error: |
f0fba2ad | 1976 | mutex_unlock(&card->mutex); |
db2a4165 | 1977 | |
b19e6e7b | 1978 | return ret; |
435c5e25 MB |
1979 | } |
1980 | ||
1981 | /* probes a new socdev */ | |
1982 | static int soc_probe(struct platform_device *pdev) | |
1983 | { | |
f0fba2ad | 1984 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1985 | |
70a7ca34 VK |
1986 | /* |
1987 | * no card, so machine driver should be registering card | |
1988 | * we should not be here in that case so ret error | |
1989 | */ | |
1990 | if (!card) | |
1991 | return -EINVAL; | |
1992 | ||
fe4085e8 | 1993 | dev_warn(&pdev->dev, |
f110bfc7 | 1994 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1995 | card->name); |
1996 | ||
435c5e25 MB |
1997 | /* Bodge while we unpick instantiation */ |
1998 | card->dev = &pdev->dev; | |
f0fba2ad | 1999 | |
28d528c8 | 2000 | return snd_soc_register_card(card); |
db2a4165 FM |
2001 | } |
2002 | ||
b0e26485 | 2003 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
2004 | { |
2005 | int i; | |
db2a4165 | 2006 | |
b0e26485 VK |
2007 | /* make sure any delayed work runs */ |
2008 | for (i = 0; i < card->num_rtd; i++) { | |
2009 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 2010 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 2011 | } |
914dc182 | 2012 | |
b0e26485 VK |
2013 | /* remove auxiliary devices */ |
2014 | for (i = 0; i < card->num_aux_devs; i++) | |
2015 | soc_remove_aux_dev(card, i); | |
db2a4165 | 2016 | |
b0e26485 | 2017 | /* remove and free each DAI */ |
0671fd8e | 2018 | soc_remove_dai_links(card); |
2eea392d | 2019 | |
b0e26485 | 2020 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 2021 | |
b0e26485 VK |
2022 | /* remove the card */ |
2023 | if (card->remove) | |
e7361ec4 | 2024 | card->remove(card); |
a6052154 | 2025 | |
0aaae527 LPC |
2026 | snd_soc_dapm_free(&card->dapm); |
2027 | ||
b0e26485 VK |
2028 | snd_card_free(card->snd_card); |
2029 | return 0; | |
2030 | ||
2031 | } | |
2032 | ||
2033 | /* removes a socdev */ | |
2034 | static int soc_remove(struct platform_device *pdev) | |
2035 | { | |
2036 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 2037 | |
c5af3a2e | 2038 | snd_soc_unregister_card(card); |
db2a4165 FM |
2039 | return 0; |
2040 | } | |
2041 | ||
6f8ab4ac | 2042 | int snd_soc_poweroff(struct device *dev) |
51737470 | 2043 | { |
6f8ab4ac | 2044 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 2045 | int i; |
51737470 MB |
2046 | |
2047 | if (!card->instantiated) | |
416356fc | 2048 | return 0; |
51737470 MB |
2049 | |
2050 | /* Flush out pmdown_time work - we actually do want to run it | |
2051 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
2052 | for (i = 0; i < card->num_rtd; i++) { |
2053 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 2054 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 2055 | } |
51737470 | 2056 | |
f0fba2ad | 2057 | snd_soc_dapm_shutdown(card); |
416356fc | 2058 | |
988e8cc4 NC |
2059 | /* deactivate pins to sleep state */ |
2060 | for (i = 0; i < card->num_rtd; i++) { | |
2061 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
2062 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
2063 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
2064 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
2065 | } | |
2066 | ||
416356fc | 2067 | return 0; |
51737470 | 2068 | } |
6f8ab4ac | 2069 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 2070 | |
6f8ab4ac | 2071 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
2072 | .suspend = snd_soc_suspend, |
2073 | .resume = snd_soc_resume, | |
2074 | .freeze = snd_soc_suspend, | |
2075 | .thaw = snd_soc_resume, | |
6f8ab4ac | 2076 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 2077 | .restore = snd_soc_resume, |
416356fc | 2078 | }; |
deb2607e | 2079 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 2080 | |
db2a4165 FM |
2081 | /* ASoC platform driver */ |
2082 | static struct platform_driver soc_driver = { | |
2083 | .driver = { | |
2084 | .name = "soc-audio", | |
8b45a209 | 2085 | .owner = THIS_MODULE, |
6f8ab4ac | 2086 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
2087 | }, |
2088 | .probe = soc_probe, | |
2089 | .remove = soc_remove, | |
db2a4165 FM |
2090 | }; |
2091 | ||
db2a4165 FM |
2092 | /** |
2093 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2094 | * @codec: audio codec | |
2095 | * @ops: AC97 bus operations | |
2096 | * @num: AC97 codec number | |
2097 | * | |
2098 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2099 | */ | |
2100 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2101 | struct snd_ac97_bus_ops *ops, int num) | |
2102 | { | |
2103 | mutex_lock(&codec->mutex); | |
2104 | ||
2105 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2106 | if (codec->ac97 == NULL) { | |
2107 | mutex_unlock(&codec->mutex); | |
2108 | return -ENOMEM; | |
2109 | } | |
2110 | ||
2111 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2112 | if (codec->ac97->bus == NULL) { | |
2113 | kfree(codec->ac97); | |
2114 | codec->ac97 = NULL; | |
2115 | mutex_unlock(&codec->mutex); | |
2116 | return -ENOMEM; | |
2117 | } | |
2118 | ||
2119 | codec->ac97->bus->ops = ops; | |
2120 | codec->ac97->num = num; | |
0562f788 MW |
2121 | |
2122 | /* | |
2123 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2124 | * device will be registered with the device subsystem later on. | |
2125 | */ | |
2126 | codec->ac97_created = 1; | |
2127 | ||
db2a4165 FM |
2128 | mutex_unlock(&codec->mutex); |
2129 | return 0; | |
2130 | } | |
2131 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2132 | ||
741a509f MP |
2133 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2134 | ||
2135 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2136 | { | |
2137 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2138 | ||
2139 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2140 | ||
2141 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2142 | ||
2143 | udelay(10); | |
2144 | ||
2145 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2146 | ||
2147 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2148 | msleep(2); | |
2149 | } | |
2150 | ||
2151 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2152 | { | |
2153 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2154 | ||
2155 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2156 | ||
2157 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2158 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2159 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2160 | ||
2161 | udelay(10); | |
2162 | ||
2163 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2164 | ||
2165 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2166 | msleep(2); | |
2167 | } | |
2168 | ||
2169 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2170 | struct snd_ac97_reset_cfg *cfg) | |
2171 | { | |
2172 | struct pinctrl *p; | |
2173 | struct pinctrl_state *state; | |
2174 | int gpio; | |
2175 | int ret; | |
2176 | ||
2177 | p = devm_pinctrl_get(dev); | |
2178 | if (IS_ERR(p)) { | |
2179 | dev_err(dev, "Failed to get pinctrl\n"); | |
b7580cde | 2180 | return PTR_ERR(p); |
741a509f MP |
2181 | } |
2182 | cfg->pctl = p; | |
2183 | ||
2184 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2185 | if (IS_ERR(state)) { | |
2186 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
b7580cde | 2187 | return PTR_ERR(state); |
741a509f MP |
2188 | } |
2189 | cfg->pstate_reset = state; | |
2190 | ||
2191 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2192 | if (IS_ERR(state)) { | |
2193 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
b7580cde | 2194 | return PTR_ERR(state); |
741a509f MP |
2195 | } |
2196 | cfg->pstate_warm_reset = state; | |
2197 | ||
2198 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2199 | if (IS_ERR(state)) { | |
2200 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
b7580cde | 2201 | return PTR_ERR(state); |
741a509f MP |
2202 | } |
2203 | cfg->pstate_run = state; | |
2204 | ||
2205 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2206 | if (gpio < 0) { | |
2207 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2208 | return gpio; | |
2209 | } | |
2210 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2211 | if (ret) { | |
2212 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2213 | return ret; | |
2214 | } | |
2215 | cfg->gpio_sync = gpio; | |
2216 | ||
2217 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2218 | if (gpio < 0) { | |
2219 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2220 | return gpio; | |
2221 | } | |
2222 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2223 | if (ret) { | |
2224 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2225 | return ret; | |
2226 | } | |
2227 | cfg->gpio_sdata = gpio; | |
2228 | ||
2229 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2230 | if (gpio < 0) { | |
2231 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2232 | return gpio; | |
2233 | } | |
2234 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2235 | if (ret) { | |
2236 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2237 | return ret; | |
2238 | } | |
2239 | cfg->gpio_reset = gpio; | |
2240 | ||
2241 | return 0; | |
2242 | } | |
2243 | ||
b047e1cc | 2244 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2245 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2246 | |
2247 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2248 | { | |
2249 | if (ops == soc_ac97_ops) | |
2250 | return 0; | |
2251 | ||
2252 | if (soc_ac97_ops && ops) | |
2253 | return -EBUSY; | |
2254 | ||
2255 | soc_ac97_ops = ops; | |
2256 | ||
2257 | return 0; | |
2258 | } | |
2259 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2260 | ||
741a509f MP |
2261 | /** |
2262 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2263 | * | |
2264 | * This function sets the reset and warm_reset properties of ops and parses | |
2265 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2266 | */ | |
2267 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2268 | struct platform_device *pdev) | |
2269 | { | |
2270 | struct device *dev = &pdev->dev; | |
2271 | struct snd_ac97_reset_cfg cfg; | |
2272 | int ret; | |
2273 | ||
2274 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2275 | if (ret) | |
2276 | return ret; | |
2277 | ||
2278 | ret = snd_soc_set_ac97_ops(ops); | |
2279 | if (ret) | |
2280 | return ret; | |
2281 | ||
2282 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2283 | ops->reset = snd_soc_ac97_reset; | |
2284 | ||
2285 | snd_ac97_rst_cfg = cfg; | |
2286 | return 0; | |
2287 | } | |
2288 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2289 | ||
db2a4165 FM |
2290 | /** |
2291 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2292 | * @codec: audio codec | |
2293 | * | |
2294 | * Frees AC97 codec device resources. | |
2295 | */ | |
2296 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2297 | { | |
2298 | mutex_lock(&codec->mutex); | |
f0fba2ad | 2299 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 | 2300 | soc_unregister_ac97_codec(codec); |
f0fba2ad | 2301 | #endif |
db2a4165 FM |
2302 | kfree(codec->ac97->bus); |
2303 | kfree(codec->ac97); | |
2304 | codec->ac97 = NULL; | |
0562f788 | 2305 | codec->ac97_created = 0; |
db2a4165 FM |
2306 | mutex_unlock(&codec->mutex); |
2307 | } | |
2308 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2309 | ||
db2a4165 FM |
2310 | /** |
2311 | * snd_soc_cnew - create new control | |
2312 | * @_template: control template | |
2313 | * @data: control private data | |
ac11a2b3 | 2314 | * @long_name: control long name |
efb7ac3f | 2315 | * @prefix: control name prefix |
db2a4165 FM |
2316 | * |
2317 | * Create a new mixer control from a template control. | |
2318 | * | |
2319 | * Returns 0 for success, else error. | |
2320 | */ | |
2321 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2322 | void *data, const char *long_name, |
efb7ac3f | 2323 | const char *prefix) |
db2a4165 FM |
2324 | { |
2325 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2326 | struct snd_kcontrol *kcontrol; |
2327 | char *name = NULL; | |
db2a4165 FM |
2328 | |
2329 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2330 | template.index = 0; |
2331 | ||
efb7ac3f MB |
2332 | if (!long_name) |
2333 | long_name = template.name; | |
2334 | ||
2335 | if (prefix) { | |
2b581074 | 2336 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2337 | if (!name) |
2338 | return NULL; | |
2339 | ||
efb7ac3f MB |
2340 | template.name = name; |
2341 | } else { | |
2342 | template.name = long_name; | |
2343 | } | |
2344 | ||
2345 | kcontrol = snd_ctl_new1(&template, data); | |
2346 | ||
2347 | kfree(name); | |
2348 | ||
2349 | return kcontrol; | |
db2a4165 FM |
2350 | } |
2351 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2352 | ||
022658be LG |
2353 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2354 | const struct snd_kcontrol_new *controls, int num_controls, | |
2355 | const char *prefix, void *data) | |
2356 | { | |
2357 | int err, i; | |
2358 | ||
2359 | for (i = 0; i < num_controls; i++) { | |
2360 | const struct snd_kcontrol_new *control = &controls[i]; | |
2361 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2362 | control->name, prefix)); | |
2363 | if (err < 0) { | |
f110bfc7 LG |
2364 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2365 | control->name, err); | |
022658be LG |
2366 | return err; |
2367 | } | |
2368 | } | |
2369 | ||
2370 | return 0; | |
2371 | } | |
2372 | ||
4fefd698 DP |
2373 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2374 | const char *name) | |
2375 | { | |
2376 | struct snd_card *card = soc_card->snd_card; | |
2377 | struct snd_kcontrol *kctl; | |
2378 | ||
2379 | if (unlikely(!name)) | |
2380 | return NULL; | |
2381 | ||
2382 | list_for_each_entry(kctl, &card->controls, list) | |
2383 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2384 | return kctl; | |
2385 | return NULL; | |
2386 | } | |
2387 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2388 | ||
3e8e1952 | 2389 | /** |
022658be LG |
2390 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2391 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2392 | * duplicating this code. |
2393 | * | |
2394 | * @codec: codec to add controls to | |
2395 | * @controls: array of controls to add | |
2396 | * @num_controls: number of elements in the array | |
2397 | * | |
2398 | * Return 0 for success, else error. | |
2399 | */ | |
022658be | 2400 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2401 | const struct snd_kcontrol_new *controls, int num_controls) |
2402 | { | |
f0fba2ad | 2403 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2404 | |
022658be | 2405 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
94f99c87 | 2406 | codec->component.name_prefix, &codec->component); |
3e8e1952 | 2407 | } |
022658be | 2408 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2409 | |
a491a5c8 LG |
2410 | /** |
2411 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2412 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2413 | * |
2414 | * @platform: platform to add controls to | |
2415 | * @controls: array of controls to add | |
2416 | * @num_controls: number of elements in the array | |
2417 | * | |
2418 | * Return 0 for success, else error. | |
2419 | */ | |
2420 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2421 | const struct snd_kcontrol_new *controls, int num_controls) | |
2422 | { | |
2423 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2424 | |
022658be | 2425 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
907fe36a | 2426 | NULL, &platform->component); |
a491a5c8 LG |
2427 | } |
2428 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2429 | ||
022658be LG |
2430 | /** |
2431 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2432 | * Convenience function to add a list of controls. | |
2433 | * | |
2434 | * @soc_card: SoC card to add controls to | |
2435 | * @controls: array of controls to add | |
2436 | * @num_controls: number of elements in the array | |
2437 | * | |
2438 | * Return 0 for success, else error. | |
2439 | */ | |
2440 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2441 | const struct snd_kcontrol_new *controls, int num_controls) | |
2442 | { | |
2443 | struct snd_card *card = soc_card->snd_card; | |
2444 | ||
2445 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2446 | NULL, soc_card); | |
2447 | } | |
2448 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2449 | ||
2450 | /** | |
2451 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2452 | * Convienience function to add a list of controls. | |
2453 | * | |
2454 | * @dai: DAI to add controls to | |
2455 | * @controls: array of controls to add | |
2456 | * @num_controls: number of elements in the array | |
2457 | * | |
2458 | * Return 0 for success, else error. | |
2459 | */ | |
2460 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2461 | const struct snd_kcontrol_new *controls, int num_controls) | |
2462 | { | |
2463 | struct snd_card *card = dai->card->snd_card; | |
2464 | ||
2465 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2466 | NULL, dai); | |
2467 | } | |
2468 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2469 | ||
db2a4165 FM |
2470 | /** |
2471 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2472 | * @kcontrol: mixer control | |
2473 | * @uinfo: control element information | |
2474 | * | |
2475 | * Callback to provide information about a double enumerated | |
2476 | * mixer control. | |
2477 | * | |
2478 | * Returns 0 for success. | |
2479 | */ | |
2480 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2481 | struct snd_ctl_elem_info *uinfo) | |
2482 | { | |
2483 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2484 | ||
2485 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2486 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2487 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2488 | |
9a8d38db TI |
2489 | if (uinfo->value.enumerated.item >= e->items) |
2490 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2491 | strlcpy(uinfo->value.enumerated.name, |
2492 | e->texts[uinfo->value.enumerated.item], | |
2493 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2494 | return 0; |
2495 | } | |
2496 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2497 | ||
2498 | /** | |
2499 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2500 | * @kcontrol: mixer control | |
ac11a2b3 | 2501 | * @ucontrol: control element information |
db2a4165 FM |
2502 | * |
2503 | * Callback to get the value of a double enumerated mixer. | |
2504 | * | |
2505 | * Returns 0 for success. | |
2506 | */ | |
2507 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2508 | struct snd_ctl_elem_value *ucontrol) | |
2509 | { | |
907fe36a | 2510 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2511 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 LPC |
2512 | unsigned int val, item; |
2513 | unsigned int reg_val; | |
907fe36a | 2514 | int ret; |
db2a4165 | 2515 | |
907fe36a LPC |
2516 | ret = snd_soc_component_read(component, e->reg, ®_val); |
2517 | if (ret) | |
2518 | return ret; | |
29ae2fa5 LPC |
2519 | val = (reg_val >> e->shift_l) & e->mask; |
2520 | item = snd_soc_enum_val_to_item(e, val); | |
2521 | ucontrol->value.enumerated.item[0] = item; | |
2522 | if (e->shift_l != e->shift_r) { | |
2523 | val = (reg_val >> e->shift_l) & e->mask; | |
2524 | item = snd_soc_enum_val_to_item(e, val); | |
2525 | ucontrol->value.enumerated.item[1] = item; | |
2526 | } | |
db2a4165 FM |
2527 | |
2528 | return 0; | |
2529 | } | |
2530 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2531 | ||
2532 | /** | |
2533 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2534 | * @kcontrol: mixer control | |
ac11a2b3 | 2535 | * @ucontrol: control element information |
db2a4165 FM |
2536 | * |
2537 | * Callback to set the value of a double enumerated mixer. | |
2538 | * | |
2539 | * Returns 0 for success. | |
2540 | */ | |
2541 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2542 | struct snd_ctl_elem_value *ucontrol) | |
2543 | { | |
907fe36a | 2544 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
db2a4165 | 2545 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
29ae2fa5 | 2546 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2547 | unsigned int val; |
86767b7d | 2548 | unsigned int mask; |
db2a4165 | 2549 | |
29ae2fa5 | 2550 | if (item[0] >= e->items) |
db2a4165 | 2551 | return -EINVAL; |
29ae2fa5 | 2552 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2553 | mask = e->mask << e->shift_l; |
db2a4165 | 2554 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2555 | if (item[1] >= e->items) |
db2a4165 | 2556 | return -EINVAL; |
29ae2fa5 | 2557 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2558 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2559 | } |
2560 | ||
907fe36a | 2561 | return snd_soc_component_update_bits(component, e->reg, mask, val); |
db2a4165 FM |
2562 | } |
2563 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2564 | ||
2e72f8e3 | 2565 | /** |
f227b88f | 2566 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
907fe36a | 2567 | * @component: component |
f227b88f MP |
2568 | * @reg: Register to read |
2569 | * @mask: Mask to use after shifting the register value | |
2570 | * @shift: Right shift of register value | |
2571 | * @sign_bit: Bit that describes if a number is negative or not. | |
907fe36a | 2572 | * @signed_val: Pointer to where the read value should be stored |
2e72f8e3 | 2573 | * |
f227b88f MP |
2574 | * This functions reads a codec register. The register value is shifted right |
2575 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2576 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2577 | * |
907fe36a | 2578 | * Returns 0 on sucess, otherwise an error value |
2e72f8e3 | 2579 | */ |
907fe36a LPC |
2580 | static int snd_soc_read_signed(struct snd_soc_component *component, |
2581 | unsigned int reg, unsigned int mask, unsigned int shift, | |
2582 | unsigned int sign_bit, int *signed_val) | |
2e72f8e3 | 2583 | { |
f227b88f MP |
2584 | int ret; |
2585 | unsigned int val; | |
2e72f8e3 | 2586 | |
907fe36a LPC |
2587 | ret = snd_soc_component_read(component, reg, &val); |
2588 | if (ret < 0) | |
2589 | return ret; | |
2590 | ||
2591 | val = (val >> shift) & mask; | |
2e72f8e3 | 2592 | |
907fe36a LPC |
2593 | if (!sign_bit) { |
2594 | *signed_val = val; | |
2595 | return 0; | |
2596 | } | |
2e72f8e3 | 2597 | |
f227b88f | 2598 | /* non-negative number */ |
907fe36a LPC |
2599 | if (!(val & BIT(sign_bit))) { |
2600 | *signed_val = val; | |
2601 | return 0; | |
2602 | } | |
2e72f8e3 | 2603 | |
f227b88f | 2604 | ret = val; |
2e72f8e3 | 2605 | |
f227b88f MP |
2606 | /* |
2607 | * The register most probably does not contain a full-sized int. | |
2608 | * Instead we have an arbitrary number of bits in a signed | |
2609 | * representation which has to be translated into a full-sized int. | |
2610 | * This is done by filling up all bits above the sign-bit. | |
2611 | */ | |
2612 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2613 | ||
907fe36a LPC |
2614 | *signed_val = ret; |
2615 | ||
2616 | return 0; | |
2e72f8e3 | 2617 | } |
2e72f8e3 | 2618 | |
db2a4165 FM |
2619 | /** |
2620 | * snd_soc_info_volsw - single mixer info callback | |
2621 | * @kcontrol: mixer control | |
2622 | * @uinfo: control element information | |
2623 | * | |
e8f5a103 PU |
2624 | * Callback to provide information about a single mixer control, or a double |
2625 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2626 | * |
2627 | * Returns 0 for success. | |
2628 | */ | |
2629 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2630 | struct snd_ctl_elem_info *uinfo) | |
2631 | { | |
4eaa9819 JS |
2632 | struct soc_mixer_control *mc = |
2633 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2634 | int platform_max; |
db2a4165 | 2635 | |
d11bb4a9 PU |
2636 | if (!mc->platform_max) |
2637 | mc->platform_max = mc->max; | |
2638 | platform_max = mc->platform_max; | |
2639 | ||
2640 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2641 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2642 | else | |
2643 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2644 | ||
e8f5a103 | 2645 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2646 | uinfo->value.integer.min = 0; |
f227b88f | 2647 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2648 | return 0; |
2649 | } | |
2650 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2651 | ||
2652 | /** | |
2653 | * snd_soc_get_volsw - single mixer get callback | |
2654 | * @kcontrol: mixer control | |
ac11a2b3 | 2655 | * @ucontrol: control element information |
db2a4165 | 2656 | * |
f7915d99 PU |
2657 | * Callback to get the value of a single mixer control, or a double mixer |
2658 | * control that spans 2 registers. | |
db2a4165 FM |
2659 | * |
2660 | * Returns 0 for success. | |
2661 | */ | |
2662 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2663 | struct snd_ctl_elem_value *ucontrol) | |
2664 | { | |
907fe36a | 2665 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2666 | struct soc_mixer_control *mc = |
2667 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2668 | unsigned int reg = mc->reg; |
f7915d99 | 2669 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2670 | unsigned int shift = mc->shift; |
2671 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2672 | int max = mc->max; |
f227b88f MP |
2673 | int min = mc->min; |
2674 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2675 | unsigned int mask = (1 << fls(max)) - 1; |
2676 | unsigned int invert = mc->invert; | |
907fe36a LPC |
2677 | int val; |
2678 | int ret; | |
db2a4165 | 2679 | |
f227b88f MP |
2680 | if (sign_bit) |
2681 | mask = BIT(sign_bit + 1) - 1; | |
2682 | ||
907fe36a LPC |
2683 | ret = snd_soc_read_signed(component, reg, mask, shift, sign_bit, &val); |
2684 | if (ret) | |
2685 | return ret; | |
2686 | ||
2687 | ucontrol->value.integer.value[0] = val - min; | |
f7915d99 | 2688 | if (invert) |
db2a4165 | 2689 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2690 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2691 | |
2692 | if (snd_soc_volsw_is_stereo(mc)) { | |
2693 | if (reg == reg2) | |
907fe36a LPC |
2694 | ret = snd_soc_read_signed(component, reg, mask, rshift, |
2695 | sign_bit, &val); | |
f7915d99 | 2696 | else |
907fe36a LPC |
2697 | ret = snd_soc_read_signed(component, reg2, mask, shift, |
2698 | sign_bit, &val); | |
2699 | if (ret) | |
2700 | return ret; | |
2701 | ||
2702 | ucontrol->value.integer.value[1] = val - min; | |
f7915d99 | 2703 | if (invert) |
db2a4165 | 2704 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2705 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2706 | } |
2707 | ||
2708 | return 0; | |
2709 | } | |
2710 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2711 | ||
2712 | /** | |
2713 | * snd_soc_put_volsw - single mixer put callback | |
2714 | * @kcontrol: mixer control | |
ac11a2b3 | 2715 | * @ucontrol: control element information |
db2a4165 | 2716 | * |
974815ba PU |
2717 | * Callback to set the value of a single mixer control, or a double mixer |
2718 | * control that spans 2 registers. | |
db2a4165 FM |
2719 | * |
2720 | * Returns 0 for success. | |
2721 | */ | |
2722 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2723 | struct snd_ctl_elem_value *ucontrol) | |
2724 | { | |
907fe36a | 2725 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4eaa9819 JS |
2726 | struct soc_mixer_control *mc = |
2727 | (struct soc_mixer_control *)kcontrol->private_value; | |
815ecf8d | 2728 | unsigned int reg = mc->reg; |
974815ba | 2729 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2730 | unsigned int shift = mc->shift; |
2731 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2732 | int max = mc->max; |
f227b88f MP |
2733 | int min = mc->min; |
2734 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2735 | unsigned int mask = (1 << fls(max)) - 1; |
2736 | unsigned int invert = mc->invert; | |
974815ba | 2737 | int err; |
939d9f16 | 2738 | bool type_2r = false; |
974815ba PU |
2739 | unsigned int val2 = 0; |
2740 | unsigned int val, val_mask; | |
db2a4165 | 2741 | |
f227b88f MP |
2742 | if (sign_bit) |
2743 | mask = BIT(sign_bit + 1) - 1; | |
2744 | ||
2745 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2746 | if (invert) |
a7a4ac86 | 2747 | val = max - val; |
db2a4165 FM |
2748 | val_mask = mask << shift; |
2749 | val = val << shift; | |
974815ba | 2750 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2751 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2752 | if (invert) |
a7a4ac86 | 2753 | val2 = max - val2; |
974815ba PU |
2754 | if (reg == reg2) { |
2755 | val_mask |= mask << rshift; | |
2756 | val |= val2 << rshift; | |
2757 | } else { | |
2758 | val2 = val2 << shift; | |
939d9f16 | 2759 | type_2r = true; |
974815ba | 2760 | } |
db2a4165 | 2761 | } |
907fe36a | 2762 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
3ff3f64b | 2763 | if (err < 0) |
db2a4165 FM |
2764 | return err; |
2765 | ||
974815ba | 2766 | if (type_2r) |
907fe36a LPC |
2767 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2768 | val2); | |
974815ba | 2769 | |
db2a4165 FM |
2770 | return err; |
2771 | } | |
974815ba | 2772 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2773 | |
1d99f243 BA |
2774 | /** |
2775 | * snd_soc_get_volsw_sx - single mixer get callback | |
2776 | * @kcontrol: mixer control | |
2777 | * @ucontrol: control element information | |
2778 | * | |
2779 | * Callback to get the value of a single mixer control, or a double mixer | |
2780 | * control that spans 2 registers. | |
2781 | * | |
2782 | * Returns 0 for success. | |
2783 | */ | |
2784 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2785 | struct snd_ctl_elem_value *ucontrol) | |
2786 | { | |
907fe36a | 2787 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2788 | struct soc_mixer_control *mc = |
2789 | (struct soc_mixer_control *)kcontrol->private_value; | |
1d99f243 BA |
2790 | unsigned int reg = mc->reg; |
2791 | unsigned int reg2 = mc->rreg; | |
2792 | unsigned int shift = mc->shift; | |
2793 | unsigned int rshift = mc->rshift; | |
2794 | int max = mc->max; | |
2795 | int min = mc->min; | |
2796 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
907fe36a LPC |
2797 | unsigned int val; |
2798 | int ret; | |
1d99f243 | 2799 | |
907fe36a LPC |
2800 | ret = snd_soc_component_read(component, reg, &val); |
2801 | if (ret < 0) | |
2802 | return ret; | |
1d99f243 | 2803 | |
907fe36a LPC |
2804 | ucontrol->value.integer.value[0] = ((val >> shift) - min) & mask; |
2805 | ||
2806 | if (snd_soc_volsw_is_stereo(mc)) { | |
2807 | ret = snd_soc_component_read(component, reg2, &val); | |
2808 | if (ret < 0) | |
2809 | return ret; | |
2810 | ||
2811 | val = ((val >> rshift) - min) & mask; | |
2812 | ucontrol->value.integer.value[1] = val; | |
2813 | } | |
1d99f243 BA |
2814 | |
2815 | return 0; | |
2816 | } | |
2817 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2818 | ||
2819 | /** | |
2820 | * snd_soc_put_volsw_sx - double mixer set callback | |
2821 | * @kcontrol: mixer control | |
2822 | * @uinfo: control element information | |
2823 | * | |
2824 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2825 | * | |
2826 | * Returns 0 for success. | |
2827 | */ | |
2828 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2829 | struct snd_ctl_elem_value *ucontrol) | |
2830 | { | |
907fe36a | 2831 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
1d99f243 BA |
2832 | struct soc_mixer_control *mc = |
2833 | (struct soc_mixer_control *)kcontrol->private_value; | |
2834 | ||
2835 | unsigned int reg = mc->reg; | |
2836 | unsigned int reg2 = mc->rreg; | |
2837 | unsigned int shift = mc->shift; | |
2838 | unsigned int rshift = mc->rshift; | |
2839 | int max = mc->max; | |
2840 | int min = mc->min; | |
2841 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2842 | int err = 0; |
1a39019e | 2843 | unsigned int val, val_mask, val2 = 0; |
1d99f243 BA |
2844 | |
2845 | val_mask = mask << shift; | |
2846 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2847 | val = val << shift; | |
2848 | ||
907fe36a | 2849 | err = snd_soc_component_update_bits(component, reg, val_mask, val); |
d055852e MN |
2850 | if (err < 0) |
2851 | return err; | |
1d99f243 BA |
2852 | |
2853 | if (snd_soc_volsw_is_stereo(mc)) { | |
2854 | val_mask = mask << rshift; | |
2855 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2856 | val2 = val2 << rshift; | |
2857 | ||
907fe36a LPC |
2858 | err = snd_soc_component_update_bits(component, reg2, val_mask, |
2859 | val2); | |
1d99f243 | 2860 | } |
907fe36a | 2861 | return err; |
1d99f243 BA |
2862 | } |
2863 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2864 | ||
e13ac2e9 MB |
2865 | /** |
2866 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2867 | * @kcontrol: mixer control | |
2868 | * @uinfo: control element information | |
2869 | * | |
2870 | * Callback to provide information about a signed mixer control. | |
2871 | * | |
2872 | * Returns 0 for success. | |
2873 | */ | |
2874 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2875 | struct snd_ctl_elem_info *uinfo) | |
2876 | { | |
4eaa9819 JS |
2877 | struct soc_mixer_control *mc = |
2878 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2879 | int platform_max; |
4eaa9819 | 2880 | int min = mc->min; |
e13ac2e9 | 2881 | |
d11bb4a9 PU |
2882 | if (!mc->platform_max) |
2883 | mc->platform_max = mc->max; | |
2884 | platform_max = mc->platform_max; | |
2885 | ||
e13ac2e9 MB |
2886 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
2887 | uinfo->count = 2; | |
2888 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 2889 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
2890 | return 0; |
2891 | } | |
2892 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
2893 | ||
2894 | /** | |
2895 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
2896 | * @kcontrol: mixer control | |
ac11a2b3 | 2897 | * @ucontrol: control element information |
e13ac2e9 MB |
2898 | * |
2899 | * Callback to get the value of a signed mixer control. | |
2900 | * | |
2901 | * Returns 0 for success. | |
2902 | */ | |
2903 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
2904 | struct snd_ctl_elem_value *ucontrol) | |
2905 | { | |
4eaa9819 JS |
2906 | struct soc_mixer_control *mc = |
2907 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2908 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2909 | unsigned int reg = mc->reg; |
907fe36a | 2910 | unsigned int val; |
4eaa9819 | 2911 | int min = mc->min; |
907fe36a LPC |
2912 | int ret; |
2913 | ||
2914 | ret = snd_soc_component_read(component, reg, &val); | |
2915 | if (ret) | |
2916 | return ret; | |
e13ac2e9 MB |
2917 | |
2918 | ucontrol->value.integer.value[0] = | |
2919 | ((signed char)(val & 0xff))-min; | |
2920 | ucontrol->value.integer.value[1] = | |
2921 | ((signed char)((val >> 8) & 0xff))-min; | |
2922 | return 0; | |
2923 | } | |
2924 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
2925 | ||
2926 | /** | |
2927 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
2928 | * @kcontrol: mixer control | |
ac11a2b3 | 2929 | * @ucontrol: control element information |
e13ac2e9 MB |
2930 | * |
2931 | * Callback to set the value of a signed mixer control. | |
2932 | * | |
2933 | * Returns 0 for success. | |
2934 | */ | |
2935 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
2936 | struct snd_ctl_elem_value *ucontrol) | |
2937 | { | |
4eaa9819 JS |
2938 | struct soc_mixer_control *mc = |
2939 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2940 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2941 | unsigned int reg = mc->reg; |
4eaa9819 | 2942 | int min = mc->min; |
46f5822f | 2943 | unsigned int val; |
e13ac2e9 MB |
2944 | |
2945 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
2946 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
2947 | ||
907fe36a | 2948 | return snd_soc_component_update_bits(component, reg, 0xffff, val); |
e13ac2e9 MB |
2949 | } |
2950 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
2951 | ||
6c9d8cf6 AT |
2952 | /** |
2953 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
2954 | * @kcontrol: mixer control | |
2955 | * @uinfo: control element information | |
2956 | * | |
2957 | * Callback to provide information, within a range, about a single | |
2958 | * mixer control. | |
2959 | * | |
2960 | * returns 0 for success. | |
2961 | */ | |
2962 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
2963 | struct snd_ctl_elem_info *uinfo) | |
2964 | { | |
2965 | struct soc_mixer_control *mc = | |
2966 | (struct soc_mixer_control *)kcontrol->private_value; | |
2967 | int platform_max; | |
2968 | int min = mc->min; | |
2969 | ||
2970 | if (!mc->platform_max) | |
2971 | mc->platform_max = mc->max; | |
2972 | platform_max = mc->platform_max; | |
2973 | ||
2974 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 2975 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
2976 | uinfo->value.integer.min = 0; |
2977 | uinfo->value.integer.max = platform_max - min; | |
2978 | ||
2979 | return 0; | |
2980 | } | |
2981 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
2982 | ||
2983 | /** | |
2984 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
2985 | * @kcontrol: mixer control | |
2986 | * @ucontrol: control element information | |
2987 | * | |
2988 | * Callback to set the value, within a range, for a single mixer control. | |
2989 | * | |
2990 | * Returns 0 for success. | |
2991 | */ | |
2992 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
2993 | struct snd_ctl_elem_value *ucontrol) | |
2994 | { | |
2995 | struct soc_mixer_control *mc = | |
2996 | (struct soc_mixer_control *)kcontrol->private_value; | |
907fe36a | 2997 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 | 2998 | unsigned int reg = mc->reg; |
9bde4f0b | 2999 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3000 | unsigned int shift = mc->shift; |
3001 | int min = mc->min; | |
3002 | int max = mc->max; | |
3003 | unsigned int mask = (1 << fls(max)) - 1; | |
3004 | unsigned int invert = mc->invert; | |
3005 | unsigned int val, val_mask; | |
9bde4f0b | 3006 | int ret; |
6c9d8cf6 AT |
3007 | |
3008 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
3009 | if (invert) | |
3010 | val = max - val; | |
3011 | val_mask = mask << shift; | |
3012 | val = val << shift; | |
3013 | ||
907fe36a | 3014 | ret = snd_soc_component_update_bits(component, reg, val_mask, val); |
0eaa6cca | 3015 | if (ret < 0) |
9bde4f0b MB |
3016 | return ret; |
3017 | ||
3018 | if (snd_soc_volsw_is_stereo(mc)) { | |
3019 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
3020 | if (invert) | |
3021 | val = max - val; | |
3022 | val_mask = mask << shift; | |
3023 | val = val << shift; | |
3024 | ||
907fe36a LPC |
3025 | ret = snd_soc_component_update_bits(component, rreg, val_mask, |
3026 | val); | |
9bde4f0b MB |
3027 | } |
3028 | ||
3029 | return ret; | |
6c9d8cf6 AT |
3030 | } |
3031 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
3032 | ||
3033 | /** | |
3034 | * snd_soc_get_volsw_range - single mixer get callback with range | |
3035 | * @kcontrol: mixer control | |
3036 | * @ucontrol: control element information | |
3037 | * | |
3038 | * Callback to get the value, within a range, of a single mixer control. | |
3039 | * | |
3040 | * Returns 0 for success. | |
3041 | */ | |
3042 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3043 | struct snd_ctl_elem_value *ucontrol) | |
3044 | { | |
907fe36a | 3045 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
6c9d8cf6 AT |
3046 | struct soc_mixer_control *mc = |
3047 | (struct soc_mixer_control *)kcontrol->private_value; | |
6c9d8cf6 | 3048 | unsigned int reg = mc->reg; |
9bde4f0b | 3049 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3050 | unsigned int shift = mc->shift; |
3051 | int min = mc->min; | |
3052 | int max = mc->max; | |
3053 | unsigned int mask = (1 << fls(max)) - 1; | |
3054 | unsigned int invert = mc->invert; | |
907fe36a LPC |
3055 | unsigned int val; |
3056 | int ret; | |
6c9d8cf6 | 3057 | |
907fe36a LPC |
3058 | ret = snd_soc_component_read(component, reg, &val); |
3059 | if (ret) | |
3060 | return ret; | |
3061 | ||
3062 | ucontrol->value.integer.value[0] = (val >> shift) & mask; | |
6c9d8cf6 AT |
3063 | if (invert) |
3064 | ucontrol->value.integer.value[0] = | |
3065 | max - ucontrol->value.integer.value[0]; | |
3066 | ucontrol->value.integer.value[0] = | |
3067 | ucontrol->value.integer.value[0] - min; | |
3068 | ||
9bde4f0b | 3069 | if (snd_soc_volsw_is_stereo(mc)) { |
907fe36a LPC |
3070 | ret = snd_soc_component_read(component, rreg, &val); |
3071 | if (ret) | |
3072 | return ret; | |
3073 | ||
3074 | ucontrol->value.integer.value[1] = (val >> shift) & mask; | |
9bde4f0b MB |
3075 | if (invert) |
3076 | ucontrol->value.integer.value[1] = | |
3077 | max - ucontrol->value.integer.value[1]; | |
3078 | ucontrol->value.integer.value[1] = | |
3079 | ucontrol->value.integer.value[1] - min; | |
3080 | } | |
3081 | ||
6c9d8cf6 AT |
3082 | return 0; |
3083 | } | |
3084 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3085 | ||
637d3847 PU |
3086 | /** |
3087 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3088 | * | |
3089 | * @codec: where to look for the control | |
3090 | * @name: Name of the control | |
3091 | * @max: new maximum limit | |
3092 | * | |
3093 | * Return 0 for success, else error. | |
3094 | */ | |
3095 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3096 | const char *name, int max) | |
3097 | { | |
f0fba2ad | 3098 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3099 | struct snd_kcontrol *kctl; |
3100 | struct soc_mixer_control *mc; | |
3101 | int found = 0; | |
3102 | int ret = -EINVAL; | |
3103 | ||
3104 | /* Sanity check for name and max */ | |
3105 | if (unlikely(!name || max <= 0)) | |
3106 | return -EINVAL; | |
3107 | ||
3108 | list_for_each_entry(kctl, &card->controls, list) { | |
3109 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3110 | found = 1; | |
3111 | break; | |
3112 | } | |
3113 | } | |
3114 | if (found) { | |
3115 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3116 | if (max <= mc->max) { | |
d11bb4a9 | 3117 | mc->platform_max = max; |
637d3847 PU |
3118 | ret = 0; |
3119 | } | |
3120 | } | |
3121 | return ret; | |
3122 | } | |
3123 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3124 | ||
71d08516 MB |
3125 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3126 | struct snd_ctl_elem_info *uinfo) | |
3127 | { | |
907fe36a | 3128 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 MB |
3129 | struct soc_bytes *params = (void *)kcontrol->private_value; |
3130 | ||
3131 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
907fe36a | 3132 | uinfo->count = params->num_regs * component->val_bytes; |
71d08516 MB |
3133 | |
3134 | return 0; | |
3135 | } | |
3136 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3137 | ||
3138 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3139 | struct snd_ctl_elem_value *ucontrol) | |
3140 | { | |
907fe36a | 3141 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3142 | struct soc_bytes *params = (void *)kcontrol->private_value; |
71d08516 MB |
3143 | int ret; |
3144 | ||
907fe36a LPC |
3145 | if (component->regmap) |
3146 | ret = regmap_raw_read(component->regmap, params->base, | |
71d08516 | 3147 | ucontrol->value.bytes.data, |
907fe36a | 3148 | params->num_regs * component->val_bytes); |
71d08516 MB |
3149 | else |
3150 | ret = -EINVAL; | |
3151 | ||
f831b055 MB |
3152 | /* Hide any masked bytes to ensure consistent data reporting */ |
3153 | if (ret == 0 && params->mask) { | |
907fe36a | 3154 | switch (component->val_bytes) { |
f831b055 MB |
3155 | case 1: |
3156 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3157 | break; | |
3158 | case 2: | |
3159 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3160 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
3161 | break; |
3162 | case 4: | |
3163 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3164 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
3165 | break; |
3166 | default: | |
3167 | return -EINVAL; | |
3168 | } | |
3169 | } | |
3170 | ||
71d08516 MB |
3171 | return ret; |
3172 | } | |
3173 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3174 | ||
3175 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3176 | struct snd_ctl_elem_value *ucontrol) | |
3177 | { | |
907fe36a | 3178 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
71d08516 | 3179 | struct soc_bytes *params = (void *)kcontrol->private_value; |
f831b055 | 3180 | int ret, len; |
a1a564ed | 3181 | unsigned int val, mask; |
f831b055 | 3182 | void *data; |
71d08516 | 3183 | |
907fe36a | 3184 | if (!component->regmap) |
f831b055 MB |
3185 | return -EINVAL; |
3186 | ||
907fe36a | 3187 | len = params->num_regs * component->val_bytes; |
f831b055 | 3188 | |
b5a8fe43 MB |
3189 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3190 | if (!data) | |
3191 | return -ENOMEM; | |
3192 | ||
f831b055 MB |
3193 | /* |
3194 | * If we've got a mask then we need to preserve the register | |
3195 | * bits. We shouldn't modify the incoming data so take a | |
3196 | * copy. | |
3197 | */ | |
3198 | if (params->mask) { | |
907fe36a | 3199 | ret = regmap_read(component->regmap, params->base, &val); |
f831b055 | 3200 | if (ret != 0) |
e8b18add | 3201 | goto out; |
f831b055 MB |
3202 | |
3203 | val &= params->mask; | |
3204 | ||
907fe36a | 3205 | switch (component->val_bytes) { |
f831b055 MB |
3206 | case 1: |
3207 | ((u8 *)data)[0] &= ~params->mask; | |
3208 | ((u8 *)data)[0] |= val; | |
3209 | break; | |
3210 | case 2: | |
a1a564ed | 3211 | mask = ~params->mask; |
907fe36a | 3212 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3213 | &mask, &mask); |
3214 | if (ret != 0) | |
3215 | goto out; | |
3216 | ||
3217 | ((u16 *)data)[0] &= mask; | |
3218 | ||
907fe36a | 3219 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3220 | &val, &val); |
3221 | if (ret != 0) | |
3222 | goto out; | |
3223 | ||
3224 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
3225 | break; |
3226 | case 4: | |
a1a564ed | 3227 | mask = ~params->mask; |
907fe36a | 3228 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3229 | &mask, &mask); |
3230 | if (ret != 0) | |
3231 | goto out; | |
3232 | ||
3233 | ((u32 *)data)[0] &= mask; | |
3234 | ||
907fe36a | 3235 | ret = regmap_parse_val(component->regmap, |
a1a564ed NC |
3236 | &val, &val); |
3237 | if (ret != 0) | |
3238 | goto out; | |
3239 | ||
3240 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
3241 | break; |
3242 | default: | |
e8b18add WY |
3243 | ret = -EINVAL; |
3244 | goto out; | |
f831b055 MB |
3245 | } |
3246 | } | |
3247 | ||
907fe36a | 3248 | ret = regmap_raw_write(component->regmap, params->base, |
f831b055 MB |
3249 | data, len); |
3250 | ||
e8b18add | 3251 | out: |
b5a8fe43 | 3252 | kfree(data); |
71d08516 MB |
3253 | |
3254 | return ret; | |
3255 | } | |
3256 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3257 | ||
d9881208 VK |
3258 | int snd_soc_bytes_info_ext(struct snd_kcontrol *kcontrol, |
3259 | struct snd_ctl_elem_info *ucontrol) | |
3260 | { | |
3261 | struct soc_bytes_ext *params = (void *)kcontrol->private_value; | |
3262 | ||
3263 | ucontrol->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3264 | ucontrol->count = params->max; | |
3265 | ||
3266 | return 0; | |
3267 | } | |
3268 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info_ext); | |
3269 | ||
4183eed2 KK |
3270 | /** |
3271 | * snd_soc_info_xr_sx - signed multi register info callback | |
3272 | * @kcontrol: mreg control | |
3273 | * @uinfo: control element information | |
3274 | * | |
3275 | * Callback to provide information of a control that can | |
3276 | * span multiple codec registers which together | |
3277 | * forms a single signed value in a MSB/LSB manner. | |
3278 | * | |
3279 | * Returns 0 for success. | |
3280 | */ | |
3281 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3282 | struct snd_ctl_elem_info *uinfo) | |
3283 | { | |
3284 | struct soc_mreg_control *mc = | |
3285 | (struct soc_mreg_control *)kcontrol->private_value; | |
3286 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3287 | uinfo->count = 1; | |
3288 | uinfo->value.integer.min = mc->min; | |
3289 | uinfo->value.integer.max = mc->max; | |
3290 | ||
3291 | return 0; | |
3292 | } | |
3293 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3294 | ||
3295 | /** | |
3296 | * snd_soc_get_xr_sx - signed multi register get callback | |
3297 | * @kcontrol: mreg control | |
3298 | * @ucontrol: control element information | |
3299 | * | |
3300 | * Callback to get the value of a control that can span | |
3301 | * multiple codec registers which together forms a single | |
3302 | * signed value in a MSB/LSB manner. The control supports | |
3303 | * specifying total no of bits used to allow for bitfields | |
3304 | * across the multiple codec registers. | |
3305 | * | |
3306 | * Returns 0 for success. | |
3307 | */ | |
3308 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3309 | struct snd_ctl_elem_value *ucontrol) | |
3310 | { | |
907fe36a | 3311 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3312 | struct soc_mreg_control *mc = |
3313 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3314 | unsigned int regbase = mc->regbase; |
3315 | unsigned int regcount = mc->regcount; | |
907fe36a | 3316 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3317 | unsigned int regwmask = (1<<regwshift)-1; |
3318 | unsigned int invert = mc->invert; | |
3319 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3320 | long min = mc->min; | |
3321 | long max = mc->max; | |
3322 | long val = 0; | |
907fe36a | 3323 | unsigned int regval; |
4183eed2 | 3324 | unsigned int i; |
907fe36a | 3325 | int ret; |
4183eed2 KK |
3326 | |
3327 | for (i = 0; i < regcount; i++) { | |
907fe36a LPC |
3328 | ret = snd_soc_component_read(component, regbase+i, ®val); |
3329 | if (ret) | |
3330 | return ret; | |
3331 | val |= (regval & regwmask) << (regwshift*(regcount-i-1)); | |
4183eed2 KK |
3332 | } |
3333 | val &= mask; | |
3334 | if (min < 0 && val > max) | |
3335 | val |= ~mask; | |
3336 | if (invert) | |
3337 | val = max - val; | |
3338 | ucontrol->value.integer.value[0] = val; | |
3339 | ||
3340 | return 0; | |
3341 | } | |
3342 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3343 | ||
3344 | /** | |
3345 | * snd_soc_put_xr_sx - signed multi register get callback | |
3346 | * @kcontrol: mreg control | |
3347 | * @ucontrol: control element information | |
3348 | * | |
3349 | * Callback to set the value of a control that can span | |
3350 | * multiple codec registers which together forms a single | |
3351 | * signed value in a MSB/LSB manner. The control supports | |
3352 | * specifying total no of bits used to allow for bitfields | |
3353 | * across the multiple codec registers. | |
3354 | * | |
3355 | * Returns 0 for success. | |
3356 | */ | |
3357 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3358 | struct snd_ctl_elem_value *ucontrol) | |
3359 | { | |
907fe36a | 3360 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
4183eed2 KK |
3361 | struct soc_mreg_control *mc = |
3362 | (struct soc_mreg_control *)kcontrol->private_value; | |
4183eed2 KK |
3363 | unsigned int regbase = mc->regbase; |
3364 | unsigned int regcount = mc->regcount; | |
907fe36a | 3365 | unsigned int regwshift = component->val_bytes * BITS_PER_BYTE; |
4183eed2 KK |
3366 | unsigned int regwmask = (1<<regwshift)-1; |
3367 | unsigned int invert = mc->invert; | |
3368 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3369 | long max = mc->max; |
3370 | long val = ucontrol->value.integer.value[0]; | |
3371 | unsigned int i, regval, regmask; | |
3372 | int err; | |
3373 | ||
3374 | if (invert) | |
3375 | val = max - val; | |
3376 | val &= mask; | |
3377 | for (i = 0; i < regcount; i++) { | |
3378 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3379 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
907fe36a | 3380 | err = snd_soc_component_update_bits(component, regbase+i, |
4183eed2 KK |
3381 | regmask, regval); |
3382 | if (err < 0) | |
3383 | return err; | |
3384 | } | |
3385 | ||
3386 | return 0; | |
3387 | } | |
3388 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3389 | ||
dd7b10b3 KK |
3390 | /** |
3391 | * snd_soc_get_strobe - strobe get callback | |
3392 | * @kcontrol: mixer control | |
3393 | * @ucontrol: control element information | |
3394 | * | |
3395 | * Callback get the value of a strobe mixer control. | |
3396 | * | |
3397 | * Returns 0 for success. | |
3398 | */ | |
3399 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3400 | struct snd_ctl_elem_value *ucontrol) | |
3401 | { | |
907fe36a | 3402 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3403 | struct soc_mixer_control *mc = |
3404 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3405 | unsigned int reg = mc->reg; |
3406 | unsigned int shift = mc->shift; | |
3407 | unsigned int mask = 1 << shift; | |
3408 | unsigned int invert = mc->invert != 0; | |
907fe36a LPC |
3409 | unsigned int val; |
3410 | int ret; | |
3411 | ||
3412 | ret = snd_soc_component_read(component, reg, &val); | |
3413 | if (ret) | |
3414 | return ret; | |
3415 | ||
3416 | val &= mask; | |
dd7b10b3 KK |
3417 | |
3418 | if (shift != 0 && val != 0) | |
3419 | val = val >> shift; | |
3420 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3421 | ||
3422 | return 0; | |
3423 | } | |
3424 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3425 | ||
3426 | /** | |
3427 | * snd_soc_put_strobe - strobe put callback | |
3428 | * @kcontrol: mixer control | |
3429 | * @ucontrol: control element information | |
3430 | * | |
3431 | * Callback strobe a register bit to high then low (or the inverse) | |
3432 | * in one pass of a single mixer enum control. | |
3433 | * | |
3434 | * Returns 1 for success. | |
3435 | */ | |
3436 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3437 | struct snd_ctl_elem_value *ucontrol) | |
3438 | { | |
907fe36a | 3439 | struct snd_soc_component *component = snd_kcontrol_chip(kcontrol); |
dd7b10b3 KK |
3440 | struct soc_mixer_control *mc = |
3441 | (struct soc_mixer_control *)kcontrol->private_value; | |
dd7b10b3 KK |
3442 | unsigned int reg = mc->reg; |
3443 | unsigned int shift = mc->shift; | |
3444 | unsigned int mask = 1 << shift; | |
3445 | unsigned int invert = mc->invert != 0; | |
3446 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3447 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3448 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3449 | int err; | |
3450 | ||
907fe36a | 3451 | err = snd_soc_component_update_bits(component, reg, mask, val1); |
dd7b10b3 KK |
3452 | if (err < 0) |
3453 | return err; | |
3454 | ||
907fe36a | 3455 | return snd_soc_component_update_bits(component, reg, mask, val2); |
dd7b10b3 KK |
3456 | } |
3457 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3458 | ||
8c6529db LG |
3459 | /** |
3460 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3461 | * @dai: DAI | |
3462 | * @clk_id: DAI specific clock ID | |
3463 | * @freq: new clock frequency in Hz | |
3464 | * @dir: new clock direction - input/output. | |
3465 | * | |
3466 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3467 | */ | |
3468 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3469 | unsigned int freq, int dir) | |
3470 | { | |
f0fba2ad LG |
3471 | if (dai->driver && dai->driver->ops->set_sysclk) |
3472 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3473 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3474 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3475 | freq, dir); |
8c6529db | 3476 | else |
1104a9c8 | 3477 | return -ENOTSUPP; |
8c6529db LG |
3478 | } |
3479 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3480 | ||
ec4ee52a MB |
3481 | /** |
3482 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3483 | * @codec: CODEC | |
3484 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3485 | * @source: Source for the clock |
ec4ee52a MB |
3486 | * @freq: new clock frequency in Hz |
3487 | * @dir: new clock direction - input/output. | |
3488 | * | |
3489 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3490 | */ | |
3491 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3492 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3493 | { |
3494 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3495 | return codec->driver->set_sysclk(codec, clk_id, source, |
3496 | freq, dir); | |
ec4ee52a | 3497 | else |
1104a9c8 | 3498 | return -ENOTSUPP; |
ec4ee52a MB |
3499 | } |
3500 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3501 | ||
8c6529db LG |
3502 | /** |
3503 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3504 | * @dai: DAI | |
ac11a2b3 | 3505 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3506 | * @div: new clock divisor. |
3507 | * | |
3508 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3509 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3510 | * and frame clocks as low as possible to save system power. | |
3511 | */ | |
3512 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3513 | int div_id, int div) | |
3514 | { | |
f0fba2ad LG |
3515 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3516 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3517 | else |
3518 | return -EINVAL; | |
3519 | } | |
3520 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3521 | ||
3522 | /** | |
3523 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3524 | * @dai: DAI | |
3525 | * @pll_id: DAI specific PLL ID | |
85488037 | 3526 | * @source: DAI specific source for the PLL |
8c6529db LG |
3527 | * @freq_in: PLL input clock frequency in Hz |
3528 | * @freq_out: requested PLL output clock frequency in Hz | |
3529 | * | |
3530 | * Configures and enables PLL to generate output clock based on input clock. | |
3531 | */ | |
85488037 MB |
3532 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3533 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3534 | { |
f0fba2ad LG |
3535 | if (dai->driver && dai->driver->ops->set_pll) |
3536 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3537 | freq_in, freq_out); |
ec4ee52a MB |
3538 | else if (dai->codec && dai->codec->driver->set_pll) |
3539 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3540 | freq_in, freq_out); | |
8c6529db LG |
3541 | else |
3542 | return -EINVAL; | |
3543 | } | |
3544 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3545 | ||
ec4ee52a MB |
3546 | /* |
3547 | * snd_soc_codec_set_pll - configure codec PLL. | |
3548 | * @codec: CODEC | |
3549 | * @pll_id: DAI specific PLL ID | |
3550 | * @source: DAI specific source for the PLL | |
3551 | * @freq_in: PLL input clock frequency in Hz | |
3552 | * @freq_out: requested PLL output clock frequency in Hz | |
3553 | * | |
3554 | * Configures and enables PLL to generate output clock based on input clock. | |
3555 | */ | |
3556 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3557 | unsigned int freq_in, unsigned int freq_out) | |
3558 | { | |
3559 | if (codec->driver->set_pll) | |
3560 | return codec->driver->set_pll(codec, pll_id, source, | |
3561 | freq_in, freq_out); | |
3562 | else | |
3563 | return -EINVAL; | |
3564 | } | |
3565 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3566 | ||
e54cf76b LG |
3567 | /** |
3568 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3569 | * @dai: DAI | |
3570 | * @ratio Ratio of BCLK to Sample rate. | |
3571 | * | |
3572 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3573 | */ | |
3574 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3575 | { | |
3576 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3577 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3578 | else | |
3579 | return -EINVAL; | |
3580 | } | |
3581 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3582 | ||
8c6529db LG |
3583 | /** |
3584 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3585 | * @dai: DAI | |
8c6529db LG |
3586 | * @fmt: SND_SOC_DAIFMT_ format value. |
3587 | * | |
3588 | * Configures the DAI hardware format and clocking. | |
3589 | */ | |
3590 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3591 | { | |
5e4ba569 | 3592 | if (dai->driver == NULL) |
8c6529db | 3593 | return -EINVAL; |
5e4ba569 SG |
3594 | if (dai->driver->ops->set_fmt == NULL) |
3595 | return -ENOTSUPP; | |
3596 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3597 | } |
3598 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3599 | ||
89c67857 | 3600 | /** |
e5c21514 | 3601 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3602 | * @slots: Number of slots in use. |
3603 | * @tx_mask: bitmask representing active TX slots. | |
3604 | * @rx_mask: bitmask representing active RX slots. | |
3605 | * | |
3606 | * Generates the TDM tx and rx slot default masks for DAI. | |
3607 | */ | |
e5c21514 | 3608 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3609 | unsigned int *tx_mask, |
3610 | unsigned int *rx_mask) | |
3611 | { | |
3612 | if (*tx_mask || *rx_mask) | |
3613 | return 0; | |
3614 | ||
3615 | if (!slots) | |
3616 | return -EINVAL; | |
3617 | ||
3618 | *tx_mask = (1 << slots) - 1; | |
3619 | *rx_mask = (1 << slots) - 1; | |
3620 | ||
3621 | return 0; | |
3622 | } | |
3623 | ||
8c6529db LG |
3624 | /** |
3625 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3626 | * @dai: DAI | |
a5479e38 DR |
3627 | * @tx_mask: bitmask representing active TX slots. |
3628 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3629 | * @slots: Number of slots in use. |
a5479e38 | 3630 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3631 | * |
3632 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3633 | * specific. | |
3634 | */ | |
3635 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3636 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3637 | { |
e5c21514 XL |
3638 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3639 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3640 | &tx_mask, &rx_mask); |
3641 | else | |
e5c21514 | 3642 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3643 | |
f0fba2ad LG |
3644 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3645 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3646 | slots, slot_width); |
8c6529db | 3647 | else |
b2cbb6e1 | 3648 | return -ENOTSUPP; |
8c6529db LG |
3649 | } |
3650 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3651 | ||
472df3cb BS |
3652 | /** |
3653 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3654 | * @dai: DAI | |
3655 | * @tx_num: how many TX channels | |
3656 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3657 | * 0~num-1 uses | |
3658 | * @rx_num: how many RX channels | |
3659 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3660 | * 0~num-1 uses | |
3661 | * | |
3662 | * configure the relationship between channel number and TDM slot number. | |
3663 | */ | |
3664 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3665 | unsigned int tx_num, unsigned int *tx_slot, | |
3666 | unsigned int rx_num, unsigned int *rx_slot) | |
3667 | { | |
f0fba2ad LG |
3668 | if (dai->driver && dai->driver->ops->set_channel_map) |
3669 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3670 | rx_num, rx_slot); |
3671 | else | |
3672 | return -EINVAL; | |
3673 | } | |
3674 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3675 | ||
8c6529db LG |
3676 | /** |
3677 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3678 | * @dai: DAI | |
3679 | * @tristate: tristate enable | |
3680 | * | |
3681 | * Tristates the DAI so that others can use it. | |
3682 | */ | |
3683 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3684 | { | |
f0fba2ad LG |
3685 | if (dai->driver && dai->driver->ops->set_tristate) |
3686 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3687 | else |
3688 | return -EINVAL; | |
3689 | } | |
3690 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3691 | ||
3692 | /** | |
3693 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3694 | * @dai: DAI | |
3695 | * @mute: mute enable | |
da18396f | 3696 | * @direction: stream to mute |
8c6529db LG |
3697 | * |
3698 | * Mutes the DAI DAC. | |
3699 | */ | |
da18396f MB |
3700 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3701 | int direction) | |
8c6529db | 3702 | { |
da18396f MB |
3703 | if (!dai->driver) |
3704 | return -ENOTSUPP; | |
3705 | ||
3706 | if (dai->driver->ops->mute_stream) | |
3707 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3708 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3709 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3710 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3711 | else |
04570c62 | 3712 | return -ENOTSUPP; |
8c6529db LG |
3713 | } |
3714 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3715 | ||
c5af3a2e MB |
3716 | /** |
3717 | * snd_soc_register_card - Register a card with the ASoC core | |
3718 | * | |
ac11a2b3 | 3719 | * @card: Card to register |
c5af3a2e | 3720 | * |
c5af3a2e | 3721 | */ |
70a7ca34 | 3722 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3723 | { |
b19e6e7b | 3724 | int i, ret; |
f0fba2ad | 3725 | |
c5af3a2e MB |
3726 | if (!card->name || !card->dev) |
3727 | return -EINVAL; | |
3728 | ||
5a504963 SW |
3729 | for (i = 0; i < card->num_links; i++) { |
3730 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3731 | ||
3732 | /* | |
3733 | * Codec must be specified by 1 of name or OF node, | |
3734 | * not both or neither. | |
3735 | */ | |
3736 | if (!!link->codec_name == !!link->codec_of_node) { | |
10e8aa9a MM |
3737 | dev_err(card->dev, |
3738 | "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3739 | link->name); | |
5a504963 SW |
3740 | return -EINVAL; |
3741 | } | |
bc92657a SW |
3742 | /* Codec DAI name must be specified */ |
3743 | if (!link->codec_dai_name) { | |
10e8aa9a MM |
3744 | dev_err(card->dev, |
3745 | "ASoC: codec_dai_name not set for %s\n", | |
3746 | link->name); | |
bc92657a SW |
3747 | return -EINVAL; |
3748 | } | |
5a504963 SW |
3749 | |
3750 | /* | |
3751 | * Platform may be specified by either name or OF node, but | |
3752 | * can be left unspecified, and a dummy platform will be used. | |
3753 | */ | |
3754 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3755 | dev_err(card->dev, |
3756 | "ASoC: Both platform name/of_node are set for %s\n", | |
3757 | link->name); | |
5a504963 SW |
3758 | return -EINVAL; |
3759 | } | |
3760 | ||
3761 | /* | |
bc92657a SW |
3762 | * CPU device may be specified by either name or OF node, but |
3763 | * can be left unspecified, and will be matched based on DAI | |
3764 | * name alone.. | |
3765 | */ | |
3766 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3767 | dev_err(card->dev, |
3768 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3769 | link->name); | |
bc92657a SW |
3770 | return -EINVAL; |
3771 | } | |
3772 | /* | |
3773 | * At least one of CPU DAI name or CPU device name/node must be | |
3774 | * specified | |
5a504963 | 3775 | */ |
bc92657a SW |
3776 | if (!link->cpu_dai_name && |
3777 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3778 | dev_err(card->dev, |
3779 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3780 | link->name); | |
5a504963 SW |
3781 | return -EINVAL; |
3782 | } | |
3783 | } | |
3784 | ||
ed77cc12 MB |
3785 | dev_set_drvdata(card->dev, card); |
3786 | ||
111c6419 SW |
3787 | snd_soc_initialize_card_lists(card); |
3788 | ||
150dd2f8 VK |
3789 | soc_init_card_debugfs(card); |
3790 | ||
181a6892 MB |
3791 | card->rtd = devm_kzalloc(card->dev, |
3792 | sizeof(struct snd_soc_pcm_runtime) * | |
3793 | (card->num_links + card->num_aux_devs), | |
3794 | GFP_KERNEL); | |
f0fba2ad LG |
3795 | if (card->rtd == NULL) |
3796 | return -ENOMEM; | |
a7dbb603 | 3797 | card->num_rtd = 0; |
2eea392d | 3798 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3799 | |
3800 | for (i = 0; i < card->num_links; i++) | |
3801 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3802 | ||
db432b41 | 3803 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3804 | card->instantiated = 0; |
f0fba2ad | 3805 | mutex_init(&card->mutex); |
a73fb2df | 3806 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3807 | |
b19e6e7b MB |
3808 | ret = snd_soc_instantiate_card(card); |
3809 | if (ret != 0) | |
3810 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3811 | |
988e8cc4 NC |
3812 | /* deactivate pins to sleep state */ |
3813 | for (i = 0; i < card->num_rtd; i++) { | |
3814 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3815 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
3816 | if (!codec_dai->active) | |
3817 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3818 | if (!cpu_dai->active) | |
3819 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3820 | } | |
3821 | ||
b19e6e7b | 3822 | return ret; |
c5af3a2e | 3823 | } |
70a7ca34 | 3824 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3825 | |
3826 | /** | |
3827 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3828 | * | |
ac11a2b3 | 3829 | * @card: Card to unregister |
c5af3a2e | 3830 | * |
c5af3a2e | 3831 | */ |
70a7ca34 | 3832 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3833 | { |
b0e26485 VK |
3834 | if (card->instantiated) |
3835 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3836 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3837 | |
3838 | return 0; | |
3839 | } | |
70a7ca34 | 3840 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3841 | |
f0fba2ad LG |
3842 | /* |
3843 | * Simplify DAI link configuration by removing ".-1" from device names | |
3844 | * and sanitizing names. | |
3845 | */ | |
0b9a214a | 3846 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3847 | { |
3848 | char *found, name[NAME_SIZE]; | |
3849 | int id1, id2; | |
3850 | ||
3851 | if (dev_name(dev) == NULL) | |
3852 | return NULL; | |
3853 | ||
58818a77 | 3854 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3855 | |
3856 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3857 | found = strstr(name, dev->driver->name); | |
3858 | if (found) { | |
3859 | /* get ID */ | |
3860 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3861 | ||
3862 | /* discard ID from name if ID == -1 */ | |
3863 | if (*id == -1) | |
3864 | found[strlen(dev->driver->name)] = '\0'; | |
3865 | } | |
3866 | ||
3867 | } else { | |
3868 | /* I2C component devices are named "bus-addr" */ | |
3869 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3870 | char tmp[NAME_SIZE]; | |
3871 | ||
3872 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3873 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3874 | |
3875 | /* sanitize component name for DAI link creation */ | |
3876 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3877 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3878 | } else |
3879 | *id = 0; | |
3880 | } | |
3881 | ||
3882 | return kstrdup(name, GFP_KERNEL); | |
3883 | } | |
3884 | ||
3885 | /* | |
3886 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3887 | * any ".-1" and using the DAI name (instead of device name). | |
3888 | */ | |
3889 | static inline char *fmt_multiple_name(struct device *dev, | |
3890 | struct snd_soc_dai_driver *dai_drv) | |
3891 | { | |
3892 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3893 | dev_err(dev, |
3894 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3895 | dev_name(dev)); | |
f0fba2ad LG |
3896 | return NULL; |
3897 | } | |
3898 | ||
3899 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3900 | } | |
3901 | ||
9115171a | 3902 | /** |
32c9ba54 | 3903 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3904 | * |
32c9ba54 | 3905 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3906 | */ |
32c9ba54 | 3907 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3908 | { |
5c1d5f09 | 3909 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3910 | |
5c1d5f09 | 3911 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3912 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3913 | dai->name); | |
5c1d5f09 | 3914 | list_del(&dai->list); |
32c9ba54 | 3915 | kfree(dai->name); |
f0fba2ad | 3916 | kfree(dai); |
f0fba2ad | 3917 | } |
9115171a | 3918 | } |
9115171a MB |
3919 | |
3920 | /** | |
32c9ba54 | 3921 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 3922 | * |
6106d129 LPC |
3923 | * @component: The component the DAIs are registered for |
3924 | * @dai_drv: DAI driver to use for the DAIs | |
ac11a2b3 | 3925 | * @count: Number of DAIs |
32c9ba54 LPC |
3926 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
3927 | * parent's name. | |
9115171a | 3928 | */ |
6106d129 | 3929 | static int snd_soc_register_dais(struct snd_soc_component *component, |
bb13109d LPC |
3930 | struct snd_soc_dai_driver *dai_drv, size_t count, |
3931 | bool legacy_dai_naming) | |
9115171a | 3932 | { |
6106d129 | 3933 | struct device *dev = component->dev; |
f0fba2ad | 3934 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
3935 | unsigned int i; |
3936 | int ret; | |
f0fba2ad | 3937 | |
f110bfc7 | 3938 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a | 3939 | |
bb13109d LPC |
3940 | component->dai_drv = dai_drv; |
3941 | component->num_dai = count; | |
3942 | ||
9115171a | 3943 | for (i = 0; i < count; i++) { |
f0fba2ad LG |
3944 | |
3945 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
3946 | if (dai == NULL) { |
3947 | ret = -ENOMEM; | |
3948 | goto err; | |
3949 | } | |
f0fba2ad | 3950 | |
32c9ba54 LPC |
3951 | /* |
3952 | * Back in the old days when we still had component-less DAIs, | |
3953 | * instead of having a static name, component-less DAIs would | |
3954 | * inherit the name of the parent device so it is possible to | |
3955 | * register multiple instances of the DAI. We still need to keep | |
3956 | * the same naming style even though those DAIs are not | |
3957 | * component-less anymore. | |
3958 | */ | |
3959 | if (count == 1 && legacy_dai_naming) { | |
3960 | dai->name = fmt_single_name(dev, &dai->id); | |
3961 | } else { | |
3962 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
3963 | if (dai_drv[i].id) | |
3964 | dai->id = dai_drv[i].id; | |
3965 | else | |
3966 | dai->id = i; | |
3967 | } | |
f0fba2ad LG |
3968 | if (dai->name == NULL) { |
3969 | kfree(dai); | |
32c9ba54 | 3970 | ret = -ENOMEM; |
9115171a | 3971 | goto err; |
f0fba2ad LG |
3972 | } |
3973 | ||
6106d129 | 3974 | dai->component = component; |
f0fba2ad | 3975 | dai->dev = dev; |
f0fba2ad | 3976 | dai->driver = &dai_drv[i]; |
be09ad90 | 3977 | dai->dapm.dev = dev; |
f0fba2ad LG |
3978 | if (!dai->driver->ops) |
3979 | dai->driver->ops = &null_dai_ops; | |
3980 | ||
5f800080 PU |
3981 | if (!dai->codec) |
3982 | dai->dapm.idle_bias_off = 1; | |
3983 | ||
1438c2f6 | 3984 | list_add(&dai->list, &component->dai_list); |
054880fe | 3985 | |
32c9ba54 | 3986 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
3987 | } |
3988 | ||
3989 | return 0; | |
3990 | ||
3991 | err: | |
32c9ba54 | 3992 | snd_soc_unregister_dais(component); |
9115171a MB |
3993 | |
3994 | return ret; | |
3995 | } | |
9115171a | 3996 | |
bb13109d LPC |
3997 | static int snd_soc_component_initialize(struct snd_soc_component *component, |
3998 | const struct snd_soc_component_driver *driver, struct device *dev) | |
d191bd8d | 3999 | { |
bb13109d LPC |
4000 | component->name = fmt_single_name(dev, &component->id); |
4001 | if (!component->name) { | |
4002 | dev_err(dev, "ASoC: Failed to allocate name\n"); | |
d191bd8d KM |
4003 | return -ENOMEM; |
4004 | } | |
4005 | ||
bb13109d LPC |
4006 | component->dev = dev; |
4007 | component->driver = driver; | |
e2c330b9 | 4008 | |
bb13109d LPC |
4009 | INIT_LIST_HEAD(&component->dai_list); |
4010 | mutex_init(&component->io_mutex); | |
d191bd8d | 4011 | |
bb13109d LPC |
4012 | return 0; |
4013 | } | |
d191bd8d | 4014 | |
bb13109d LPC |
4015 | static void snd_soc_component_add_unlocked(struct snd_soc_component *component) |
4016 | { | |
4017 | list_add(&component->list, &component_list); | |
4018 | } | |
d191bd8d | 4019 | |
bb13109d LPC |
4020 | static void snd_soc_component_add(struct snd_soc_component *component) |
4021 | { | |
d191bd8d | 4022 | mutex_lock(&client_mutex); |
bb13109d | 4023 | snd_soc_component_add_unlocked(component); |
d191bd8d | 4024 | mutex_unlock(&client_mutex); |
bb13109d | 4025 | } |
d191bd8d | 4026 | |
bb13109d LPC |
4027 | static void snd_soc_component_cleanup(struct snd_soc_component *component) |
4028 | { | |
4029 | snd_soc_unregister_dais(component); | |
4030 | kfree(component->name); | |
4031 | } | |
d191bd8d | 4032 | |
bb13109d LPC |
4033 | static void snd_soc_component_del_unlocked(struct snd_soc_component *component) |
4034 | { | |
4035 | list_del(&component->list); | |
4036 | } | |
d191bd8d | 4037 | |
bb13109d LPC |
4038 | static void snd_soc_component_del(struct snd_soc_component *component) |
4039 | { | |
4040 | mutex_lock(&client_mutex); | |
4041 | snd_soc_component_del_unlocked(component); | |
4042 | mutex_unlock(&client_mutex); | |
d191bd8d KM |
4043 | } |
4044 | ||
4045 | int snd_soc_register_component(struct device *dev, | |
4046 | const struct snd_soc_component_driver *cmpnt_drv, | |
4047 | struct snd_soc_dai_driver *dai_drv, | |
4048 | int num_dai) | |
4049 | { | |
4050 | struct snd_soc_component *cmpnt; | |
bb13109d | 4051 | int ret; |
d191bd8d | 4052 | |
bb13109d | 4053 | cmpnt = kzalloc(sizeof(*cmpnt), GFP_KERNEL); |
d191bd8d KM |
4054 | if (!cmpnt) { |
4055 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4056 | return -ENOMEM; | |
4057 | } | |
4058 | ||
bb13109d LPC |
4059 | ret = snd_soc_component_initialize(cmpnt, cmpnt_drv, dev); |
4060 | if (ret) | |
4061 | goto err_free; | |
4062 | ||
3d59400f | 4063 | cmpnt->ignore_pmdown_time = true; |
98e639fb | 4064 | cmpnt->registered_as_component = true; |
3d59400f | 4065 | |
bb13109d LPC |
4066 | ret = snd_soc_register_dais(cmpnt, dai_drv, num_dai, true); |
4067 | if (ret < 0) { | |
4068 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4069 | goto err_cleanup; | |
4070 | } | |
d191bd8d | 4071 | |
bb13109d | 4072 | snd_soc_component_add(cmpnt); |
4da53393 | 4073 | |
bb13109d | 4074 | return 0; |
4da53393 | 4075 | |
bb13109d LPC |
4076 | err_cleanup: |
4077 | snd_soc_component_cleanup(cmpnt); | |
4078 | err_free: | |
4079 | kfree(cmpnt); | |
4080 | return ret; | |
4da53393 | 4081 | } |
bb13109d | 4082 | EXPORT_SYMBOL_GPL(snd_soc_register_component); |
4da53393 | 4083 | |
d191bd8d KM |
4084 | /** |
4085 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4086 | * | |
4087 | */ | |
4088 | void snd_soc_unregister_component(struct device *dev) | |
4089 | { | |
4090 | struct snd_soc_component *cmpnt; | |
4091 | ||
4092 | list_for_each_entry(cmpnt, &component_list, list) { | |
98e639fb | 4093 | if (dev == cmpnt->dev && cmpnt->registered_as_component) |
d191bd8d KM |
4094 | goto found; |
4095 | } | |
4096 | return; | |
4097 | ||
4098 | found: | |
bb13109d LPC |
4099 | snd_soc_component_del(cmpnt); |
4100 | snd_soc_component_cleanup(cmpnt); | |
4101 | kfree(cmpnt); | |
d191bd8d KM |
4102 | } |
4103 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
d191bd8d | 4104 | |
e2c330b9 LPC |
4105 | static int snd_soc_platform_drv_write(struct snd_soc_component *component, |
4106 | unsigned int reg, unsigned int val) | |
4107 | { | |
4108 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
d191bd8d | 4109 | |
e2c330b9 LPC |
4110 | return platform->driver->write(platform, reg, val); |
4111 | } | |
4112 | ||
4113 | static int snd_soc_platform_drv_read(struct snd_soc_component *component, | |
4114 | unsigned int reg, unsigned int *val) | |
4115 | { | |
4116 | struct snd_soc_platform *platform = snd_soc_component_to_platform(component); | |
4117 | ||
4118 | *val = platform->driver->read(platform, reg); | |
4119 | ||
4120 | return 0; | |
d191bd8d | 4121 | } |
d191bd8d | 4122 | |
12a48a8c | 4123 | /** |
71a45cda LPC |
4124 | * snd_soc_add_platform - Add a platform to the ASoC core |
4125 | * @dev: The parent device for the platform | |
4126 | * @platform: The platform to add | |
4127 | * @platform_driver: The driver for the platform | |
12a48a8c | 4128 | */ |
71a45cda | 4129 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4130 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4131 | { |
b37f1d12 LPC |
4132 | int ret; |
4133 | ||
bb13109d LPC |
4134 | ret = snd_soc_component_initialize(&platform->component, |
4135 | &platform_drv->component_driver, dev); | |
4136 | if (ret) | |
4137 | return ret; | |
4138 | ||
f0fba2ad LG |
4139 | platform->dev = dev; |
4140 | platform->driver = platform_drv; | |
b7950641 LG |
4141 | platform->dapm.dev = dev; |
4142 | platform->dapm.platform = platform; | |
e2c330b9 | 4143 | platform->dapm.component = &platform->component; |
64a648c2 | 4144 | platform->dapm.stream_event = platform_drv->stream_event; |
e2c330b9 LPC |
4145 | if (platform_drv->write) |
4146 | platform->component.write = snd_soc_platform_drv_write; | |
4147 | if (platform_drv->read) | |
4148 | platform->component.read = snd_soc_platform_drv_read; | |
12a48a8c MB |
4149 | |
4150 | mutex_lock(&client_mutex); | |
bb13109d | 4151 | snd_soc_component_add_unlocked(&platform->component); |
12a48a8c MB |
4152 | list_add(&platform->list, &platform_list); |
4153 | mutex_unlock(&client_mutex); | |
4154 | ||
f4333203 LPC |
4155 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", |
4156 | platform->component.name); | |
12a48a8c MB |
4157 | |
4158 | return 0; | |
4159 | } | |
71a45cda | 4160 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4161 | |
4162 | /** | |
71a45cda | 4163 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4164 | * |
71a45cda | 4165 | * @platform: platform to register |
12a48a8c | 4166 | */ |
71a45cda LPC |
4167 | int snd_soc_register_platform(struct device *dev, |
4168 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4169 | { |
f0fba2ad | 4170 | struct snd_soc_platform *platform; |
71a45cda | 4171 | int ret; |
f0fba2ad | 4172 | |
71a45cda | 4173 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4174 | |
71a45cda LPC |
4175 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4176 | if (platform == NULL) | |
4177 | return -ENOMEM; | |
4178 | ||
4179 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4180 | if (ret) | |
4181 | kfree(platform); | |
4182 | ||
4183 | return ret; | |
4184 | } | |
4185 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4186 | ||
4187 | /** | |
4188 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4189 | * @platform: the platform to remove | |
4190 | */ | |
4191 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4192 | { | |
b37f1d12 | 4193 | |
12a48a8c MB |
4194 | mutex_lock(&client_mutex); |
4195 | list_del(&platform->list); | |
bb13109d | 4196 | snd_soc_component_del_unlocked(&platform->component); |
12a48a8c MB |
4197 | mutex_unlock(&client_mutex); |
4198 | ||
bb13109d LPC |
4199 | snd_soc_component_cleanup(&platform->component); |
4200 | ||
71a45cda | 4201 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
f4333203 | 4202 | platform->component.name); |
71a45cda LPC |
4203 | } |
4204 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4205 | ||
4206 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4207 | { | |
4208 | struct snd_soc_platform *platform; | |
4209 | ||
4210 | list_for_each_entry(platform, &platform_list, list) { | |
4211 | if (dev == platform->dev) | |
4212 | return platform; | |
4213 | } | |
4214 | ||
4215 | return NULL; | |
4216 | } | |
4217 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4218 | ||
4219 | /** | |
4220 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4221 | * | |
4222 | * @platform: platform to unregister | |
4223 | */ | |
4224 | void snd_soc_unregister_platform(struct device *dev) | |
4225 | { | |
4226 | struct snd_soc_platform *platform; | |
4227 | ||
4228 | platform = snd_soc_lookup_platform(dev); | |
4229 | if (!platform) | |
4230 | return; | |
4231 | ||
4232 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4233 | kfree(platform); |
12a48a8c MB |
4234 | } |
4235 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4236 | ||
151ab22c MB |
4237 | static u64 codec_format_map[] = { |
4238 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4239 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4240 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4241 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4242 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4243 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4244 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4245 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4246 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4247 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4248 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4249 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4250 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4251 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4252 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4253 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4254 | }; | |
4255 | ||
4256 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4257 | * the endianness of the data but we're using the CPU format | |
4258 | * definitions which do need to include endianness so we ensure that | |
4259 | * codec DAIs always have both big and little endian variants set. | |
4260 | */ | |
4261 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4262 | { | |
4263 | int i; | |
4264 | ||
4265 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4266 | if (stream->formats & codec_format_map[i]) | |
4267 | stream->formats |= codec_format_map[i]; | |
4268 | } | |
4269 | ||
e2c330b9 LPC |
4270 | static int snd_soc_codec_drv_write(struct snd_soc_component *component, |
4271 | unsigned int reg, unsigned int val) | |
4272 | { | |
4273 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4274 | ||
4275 | return codec->driver->write(codec, reg, val); | |
4276 | } | |
4277 | ||
4278 | static int snd_soc_codec_drv_read(struct snd_soc_component *component, | |
4279 | unsigned int reg, unsigned int *val) | |
4280 | { | |
4281 | struct snd_soc_codec *codec = snd_soc_component_to_codec(component); | |
4282 | ||
4283 | *val = codec->driver->read(codec, reg); | |
4284 | ||
4285 | return 0; | |
4286 | } | |
4287 | ||
68f831c2 LPC |
4288 | static int snd_soc_codec_set_bias_level(struct snd_soc_dapm_context *dapm, |
4289 | enum snd_soc_bias_level level) | |
4290 | { | |
4291 | struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm); | |
4292 | ||
4293 | return codec->driver->set_bias_level(codec, level); | |
4294 | } | |
4295 | ||
0d0cf00a MB |
4296 | /** |
4297 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4298 | * | |
ac11a2b3 | 4299 | * @codec: codec to register |
0d0cf00a | 4300 | */ |
f0fba2ad | 4301 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4302 | const struct snd_soc_codec_driver *codec_drv, |
4303 | struct snd_soc_dai_driver *dai_drv, | |
4304 | int num_dai) | |
0d0cf00a | 4305 | { |
f0fba2ad | 4306 | struct snd_soc_codec *codec; |
bb13109d | 4307 | struct snd_soc_dai *dai; |
a39f75f7 | 4308 | struct regmap *regmap; |
f0fba2ad | 4309 | int ret, i; |
151ab22c | 4310 | |
f0fba2ad LG |
4311 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4312 | ||
4313 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4314 | if (codec == NULL) | |
4315 | return -ENOMEM; | |
0d0cf00a | 4316 | |
bb13109d LPC |
4317 | ret = snd_soc_component_initialize(&codec->component, |
4318 | &codec_drv->component_driver, dev); | |
4319 | if (ret) | |
4320 | goto err_free; | |
4321 | ||
e2c330b9 LPC |
4322 | if (codec_drv->write) |
4323 | codec->component.write = snd_soc_codec_drv_write; | |
4324 | if (codec_drv->read) | |
4325 | codec->component.read = snd_soc_codec_drv_read; | |
3d59400f | 4326 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4327 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4328 | codec->dapm.dev = dev; | |
4329 | codec->dapm.codec = codec; | |
e2c330b9 | 4330 | codec->dapm.component = &codec->component; |
474b62d6 | 4331 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4332 | codec->dapm.stream_event = codec_drv->stream_event; |
68f831c2 LPC |
4333 | if (codec_drv->set_bias_level) |
4334 | codec->dapm.set_bias_level = snd_soc_codec_set_bias_level; | |
7a30a3db DP |
4335 | codec->dev = dev; |
4336 | codec->driver = codec_drv; | |
e2c330b9 | 4337 | codec->component.val_bytes = codec_drv->reg_word_size; |
7a30a3db | 4338 | mutex_init(&codec->mutex); |
ce6120cc | 4339 | |
e2c330b9 | 4340 | if (!codec->component.write) { |
a39f75f7 XL |
4341 | if (codec_drv->get_regmap) |
4342 | regmap = codec_drv->get_regmap(dev); | |
4343 | else | |
4344 | regmap = dev_get_regmap(dev, NULL); | |
4345 | ||
4346 | if (regmap) { | |
e2c330b9 LPC |
4347 | ret = snd_soc_component_init_io(&codec->component, |
4348 | regmap); | |
4349 | if (ret) { | |
a39f75f7 XL |
4350 | dev_err(codec->dev, |
4351 | "Failed to set cache I/O:%d\n", | |
4352 | ret); | |
bb13109d | 4353 | goto err_cleanup; |
a39f75f7 XL |
4354 | } |
4355 | } | |
4356 | } | |
4357 | ||
f0fba2ad LG |
4358 | for (i = 0; i < num_dai; i++) { |
4359 | fixup_codec_formats(&dai_drv[i].playback); | |
4360 | fixup_codec_formats(&dai_drv[i].capture); | |
4361 | } | |
4362 | ||
bb13109d LPC |
4363 | ret = snd_soc_register_dais(&codec->component, dai_drv, num_dai, false); |
4364 | if (ret < 0) { | |
4365 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4366 | goto err_cleanup; | |
4367 | } | |
4368 | ||
4369 | list_for_each_entry(dai, &codec->component.dai_list, list) | |
4370 | dai->codec = codec; | |
4371 | ||
054880fe | 4372 | mutex_lock(&client_mutex); |
bb13109d | 4373 | snd_soc_component_add_unlocked(&codec->component); |
054880fe MB |
4374 | list_add(&codec->list, &codec_list); |
4375 | mutex_unlock(&client_mutex); | |
4376 | ||
f4333203 LPC |
4377 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", |
4378 | codec->component.name); | |
0d0cf00a | 4379 | return 0; |
f0fba2ad | 4380 | |
bb13109d LPC |
4381 | err_cleanup: |
4382 | snd_soc_component_cleanup(&codec->component); | |
4383 | err_free: | |
f0fba2ad LG |
4384 | kfree(codec); |
4385 | return ret; | |
0d0cf00a MB |
4386 | } |
4387 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4388 | ||
4389 | /** | |
4390 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4391 | * | |
ac11a2b3 | 4392 | * @codec: codec to unregister |
0d0cf00a | 4393 | */ |
f0fba2ad | 4394 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4395 | { |
f0fba2ad | 4396 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4397 | |
4398 | list_for_each_entry(codec, &codec_list, list) { | |
4399 | if (dev == codec->dev) | |
4400 | goto found; | |
4401 | } | |
4402 | return; | |
4403 | ||
4404 | found: | |
f0fba2ad | 4405 | |
0d0cf00a MB |
4406 | mutex_lock(&client_mutex); |
4407 | list_del(&codec->list); | |
bb13109d | 4408 | snd_soc_component_del_unlocked(&codec->component); |
0d0cf00a MB |
4409 | mutex_unlock(&client_mutex); |
4410 | ||
f4333203 LPC |
4411 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", |
4412 | codec->component.name); | |
f0fba2ad | 4413 | |
bb13109d | 4414 | snd_soc_component_cleanup(&codec->component); |
7a30a3db | 4415 | snd_soc_cache_exit(codec); |
f0fba2ad | 4416 | kfree(codec); |
0d0cf00a MB |
4417 | } |
4418 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4419 | ||
bec4fa05 SW |
4420 | /* Retrieve a card's name from device tree */ |
4421 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4422 | const char *propname) | |
4423 | { | |
4424 | struct device_node *np = card->dev->of_node; | |
4425 | int ret; | |
4426 | ||
4427 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4428 | /* | |
4429 | * EINVAL means the property does not exist. This is fine providing | |
4430 | * card->name was previously set, which is checked later in | |
4431 | * snd_soc_register_card. | |
4432 | */ | |
4433 | if (ret < 0 && ret != -EINVAL) { | |
4434 | dev_err(card->dev, | |
f110bfc7 | 4435 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4436 | propname, ret); |
4437 | return ret; | |
4438 | } | |
4439 | ||
4440 | return 0; | |
4441 | } | |
4442 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4443 | ||
9a6d4860 XL |
4444 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4445 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4446 | SND_SOC_DAPM_LINE("Line", NULL), | |
4447 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4448 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4449 | }; | |
4450 | ||
4451 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4452 | const char *propname) | |
4453 | { | |
4454 | struct device_node *np = card->dev->of_node; | |
4455 | struct snd_soc_dapm_widget *widgets; | |
4456 | const char *template, *wname; | |
4457 | int i, j, num_widgets, ret; | |
4458 | ||
4459 | num_widgets = of_property_count_strings(np, propname); | |
4460 | if (num_widgets < 0) { | |
4461 | dev_err(card->dev, | |
4462 | "ASoC: Property '%s' does not exist\n", propname); | |
4463 | return -EINVAL; | |
4464 | } | |
4465 | if (num_widgets & 1) { | |
4466 | dev_err(card->dev, | |
4467 | "ASoC: Property '%s' length is not even\n", propname); | |
4468 | return -EINVAL; | |
4469 | } | |
4470 | ||
4471 | num_widgets /= 2; | |
4472 | if (!num_widgets) { | |
4473 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4474 | propname); | |
4475 | return -EINVAL; | |
4476 | } | |
4477 | ||
4478 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4479 | GFP_KERNEL); | |
4480 | if (!widgets) { | |
4481 | dev_err(card->dev, | |
4482 | "ASoC: Could not allocate memory for widgets\n"); | |
4483 | return -ENOMEM; | |
4484 | } | |
4485 | ||
4486 | for (i = 0; i < num_widgets; i++) { | |
4487 | ret = of_property_read_string_index(np, propname, | |
4488 | 2 * i, &template); | |
4489 | if (ret) { | |
4490 | dev_err(card->dev, | |
4491 | "ASoC: Property '%s' index %d read error:%d\n", | |
4492 | propname, 2 * i, ret); | |
4493 | return -EINVAL; | |
4494 | } | |
4495 | ||
4496 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4497 | if (!strncmp(template, simple_widgets[j].name, | |
4498 | strlen(simple_widgets[j].name))) { | |
4499 | widgets[i] = simple_widgets[j]; | |
4500 | break; | |
4501 | } | |
4502 | } | |
4503 | ||
4504 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4505 | dev_err(card->dev, | |
4506 | "ASoC: DAPM widget '%s' is not supported\n", | |
4507 | template); | |
4508 | return -EINVAL; | |
4509 | } | |
4510 | ||
4511 | ret = of_property_read_string_index(np, propname, | |
4512 | (2 * i) + 1, | |
4513 | &wname); | |
4514 | if (ret) { | |
4515 | dev_err(card->dev, | |
4516 | "ASoC: Property '%s' index %d read error:%d\n", | |
4517 | propname, (2 * i) + 1, ret); | |
4518 | return -EINVAL; | |
4519 | } | |
4520 | ||
4521 | widgets[i].name = wname; | |
4522 | } | |
4523 | ||
4524 | card->dapm_widgets = widgets; | |
4525 | card->num_dapm_widgets = num_widgets; | |
4526 | ||
4527 | return 0; | |
4528 | } | |
4529 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4530 | ||
89c67857 XL |
4531 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4532 | unsigned int *slots, | |
4533 | unsigned int *slot_width) | |
4534 | { | |
4535 | u32 val; | |
4536 | int ret; | |
4537 | ||
4538 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4539 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4540 | if (ret) | |
4541 | return ret; | |
4542 | ||
4543 | if (slots) | |
4544 | *slots = val; | |
4545 | } | |
4546 | ||
4547 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4548 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4549 | if (ret) | |
4550 | return ret; | |
4551 | ||
4552 | if (slot_width) | |
4553 | *slot_width = val; | |
4554 | } | |
4555 | ||
4556 | return 0; | |
4557 | } | |
4558 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4559 | ||
a4a54dd5 SW |
4560 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4561 | const char *propname) | |
4562 | { | |
4563 | struct device_node *np = card->dev->of_node; | |
4564 | int num_routes; | |
4565 | struct snd_soc_dapm_route *routes; | |
4566 | int i, ret; | |
4567 | ||
4568 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4569 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4570 | dev_err(card->dev, |
4571 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4572 | propname); | |
a4a54dd5 SW |
4573 | return -EINVAL; |
4574 | } | |
4575 | num_routes /= 2; | |
4576 | if (!num_routes) { | |
f110bfc7 | 4577 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4578 | propname); |
4579 | return -EINVAL; | |
4580 | } | |
4581 | ||
4582 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4583 | GFP_KERNEL); | |
4584 | if (!routes) { | |
4585 | dev_err(card->dev, | |
f110bfc7 | 4586 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4587 | return -EINVAL; |
4588 | } | |
4589 | ||
4590 | for (i = 0; i < num_routes; i++) { | |
4591 | ret = of_property_read_string_index(np, propname, | |
4592 | 2 * i, &routes[i].sink); | |
4593 | if (ret) { | |
c871bd0b MB |
4594 | dev_err(card->dev, |
4595 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4596 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4597 | return -EINVAL; |
4598 | } | |
4599 | ret = of_property_read_string_index(np, propname, | |
4600 | (2 * i) + 1, &routes[i].source); | |
4601 | if (ret) { | |
4602 | dev_err(card->dev, | |
c871bd0b MB |
4603 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4604 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4605 | return -EINVAL; |
4606 | } | |
4607 | } | |
4608 | ||
4609 | card->num_dapm_routes = num_routes; | |
4610 | card->dapm_routes = routes; | |
4611 | ||
4612 | return 0; | |
4613 | } | |
4614 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4615 | ||
a7930ed4 | 4616 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
389cb834 JS |
4617 | const char *prefix, |
4618 | struct device_node **bitclkmaster, | |
4619 | struct device_node **framemaster) | |
a7930ed4 KM |
4620 | { |
4621 | int ret, i; | |
4622 | char prop[128]; | |
4623 | unsigned int format = 0; | |
4624 | int bit, frame; | |
4625 | const char *str; | |
4626 | struct { | |
4627 | char *name; | |
4628 | unsigned int val; | |
4629 | } of_fmt_table[] = { | |
4630 | { "i2s", SND_SOC_DAIFMT_I2S }, | |
4631 | { "right_j", SND_SOC_DAIFMT_RIGHT_J }, | |
4632 | { "left_j", SND_SOC_DAIFMT_LEFT_J }, | |
4633 | { "dsp_a", SND_SOC_DAIFMT_DSP_A }, | |
4634 | { "dsp_b", SND_SOC_DAIFMT_DSP_B }, | |
4635 | { "ac97", SND_SOC_DAIFMT_AC97 }, | |
4636 | { "pdm", SND_SOC_DAIFMT_PDM}, | |
4637 | { "msb", SND_SOC_DAIFMT_MSB }, | |
4638 | { "lsb", SND_SOC_DAIFMT_LSB }, | |
a7930ed4 KM |
4639 | }; |
4640 | ||
4641 | if (!prefix) | |
4642 | prefix = ""; | |
4643 | ||
4644 | /* | |
4645 | * check "[prefix]format = xxx" | |
4646 | * SND_SOC_DAIFMT_FORMAT_MASK area | |
4647 | */ | |
4648 | snprintf(prop, sizeof(prop), "%sformat", prefix); | |
4649 | ret = of_property_read_string(np, prop, &str); | |
4650 | if (ret == 0) { | |
4651 | for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) { | |
4652 | if (strcmp(str, of_fmt_table[i].name) == 0) { | |
4653 | format |= of_fmt_table[i].val; | |
4654 | break; | |
4655 | } | |
4656 | } | |
4657 | } | |
4658 | ||
4659 | /* | |
8c2d6a9f | 4660 | * check "[prefix]continuous-clock" |
a7930ed4 KM |
4661 | * SND_SOC_DAIFMT_CLOCK_MASK area |
4662 | */ | |
8c2d6a9f KM |
4663 | snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix); |
4664 | if (of_get_property(np, prop, NULL)) | |
4665 | format |= SND_SOC_DAIFMT_CONT; | |
4666 | else | |
4667 | format |= SND_SOC_DAIFMT_GATED; | |
a7930ed4 KM |
4668 | |
4669 | /* | |
4670 | * check "[prefix]bitclock-inversion" | |
4671 | * check "[prefix]frame-inversion" | |
4672 | * SND_SOC_DAIFMT_INV_MASK area | |
4673 | */ | |
4674 | snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix); | |
4675 | bit = !!of_get_property(np, prop, NULL); | |
4676 | ||
4677 | snprintf(prop, sizeof(prop), "%sframe-inversion", prefix); | |
4678 | frame = !!of_get_property(np, prop, NULL); | |
4679 | ||
4680 | switch ((bit << 4) + frame) { | |
4681 | case 0x11: | |
4682 | format |= SND_SOC_DAIFMT_IB_IF; | |
4683 | break; | |
4684 | case 0x10: | |
4685 | format |= SND_SOC_DAIFMT_IB_NF; | |
4686 | break; | |
4687 | case 0x01: | |
4688 | format |= SND_SOC_DAIFMT_NB_IF; | |
4689 | break; | |
4690 | default: | |
4691 | /* SND_SOC_DAIFMT_NB_NF is default */ | |
4692 | break; | |
4693 | } | |
4694 | ||
4695 | /* | |
4696 | * check "[prefix]bitclock-master" | |
4697 | * check "[prefix]frame-master" | |
4698 | * SND_SOC_DAIFMT_MASTER_MASK area | |
4699 | */ | |
4700 | snprintf(prop, sizeof(prop), "%sbitclock-master", prefix); | |
4701 | bit = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4702 | if (bit && bitclkmaster) |
4703 | *bitclkmaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4704 | |
4705 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4706 | frame = !!of_get_property(np, prop, NULL); | |
389cb834 JS |
4707 | if (frame && framemaster) |
4708 | *framemaster = of_parse_phandle(np, prop, 0); | |
a7930ed4 KM |
4709 | |
4710 | switch ((bit << 4) + frame) { | |
4711 | case 0x11: | |
4712 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4713 | break; | |
4714 | case 0x10: | |
4715 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4716 | break; | |
4717 | case 0x01: | |
4718 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4719 | break; | |
4720 | default: | |
4721 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4722 | break; | |
4723 | } | |
4724 | ||
4725 | return format; | |
4726 | } | |
4727 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4728 | ||
cb470087 KM |
4729 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4730 | const char **dai_name) | |
4731 | { | |
4732 | struct snd_soc_component *pos; | |
4733 | struct of_phandle_args args; | |
4734 | int ret; | |
4735 | ||
4736 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4737 | "#sound-dai-cells", 0, &args); | |
4738 | if (ret) | |
4739 | return ret; | |
4740 | ||
4741 | ret = -EPROBE_DEFER; | |
4742 | ||
4743 | mutex_lock(&client_mutex); | |
4744 | list_for_each_entry(pos, &component_list, list) { | |
4745 | if (pos->dev->of_node != args.np) | |
4746 | continue; | |
4747 | ||
6833c452 KM |
4748 | if (pos->driver->of_xlate_dai_name) { |
4749 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4750 | } else { | |
4751 | int id = -1; | |
4752 | ||
4753 | switch (args.args_count) { | |
4754 | case 0: | |
4755 | id = 0; /* same as dai_drv[0] */ | |
4756 | break; | |
4757 | case 1: | |
4758 | id = args.args[0]; | |
4759 | break; | |
4760 | default: | |
4761 | /* not supported */ | |
4762 | break; | |
4763 | } | |
4764 | ||
4765 | if (id < 0 || id >= pos->num_dai) { | |
4766 | ret = -EINVAL; | |
3dcba280 | 4767 | continue; |
6833c452 | 4768 | } |
e41975ed XL |
4769 | |
4770 | ret = 0; | |
4771 | ||
4772 | *dai_name = pos->dai_drv[id].name; | |
4773 | if (!*dai_name) | |
4774 | *dai_name = pos->name; | |
cb470087 KM |
4775 | } |
4776 | ||
cb470087 KM |
4777 | break; |
4778 | } | |
4779 | mutex_unlock(&client_mutex); | |
4780 | ||
4781 | of_node_put(args.np); | |
4782 | ||
4783 | return ret; | |
4784 | } | |
4785 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4786 | ||
c9b3a40f | 4787 | static int __init snd_soc_init(void) |
db2a4165 | 4788 | { |
384c89e2 | 4789 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4790 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4791 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4792 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4793 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4794 | } |
c3c5a19a | 4795 | |
8a9dab1a | 4796 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4797 | &codec_list_fops)) |
4798 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4799 | ||
8a9dab1a | 4800 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4801 | &dai_list_fops)) |
4802 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4803 | |
8a9dab1a | 4804 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4805 | &platform_list_fops)) |
4806 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4807 | #endif |
4808 | ||
fb257897 MB |
4809 | snd_soc_util_init(); |
4810 | ||
db2a4165 FM |
4811 | return platform_driver_register(&soc_driver); |
4812 | } | |
4abe8e16 | 4813 | module_init(snd_soc_init); |
db2a4165 | 4814 | |
7d8c16a6 | 4815 | static void __exit snd_soc_exit(void) |
db2a4165 | 4816 | { |
fb257897 MB |
4817 | snd_soc_util_exit(); |
4818 | ||
384c89e2 | 4819 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4820 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4821 | #endif |
3ff3f64b | 4822 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4823 | } |
db2a4165 FM |
4824 | module_exit(snd_soc_exit); |
4825 | ||
4826 | /* Module information */ | |
d331124d | 4827 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4828 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4829 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4830 | MODULE_ALIAS("platform:soc-audio"); |