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Commit | Line | Data |
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db2a4165 FM |
1 | /* |
2 | * soc-core.c -- ALSA SoC Audio Layer | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
0664d888 | 5 | * Copyright 2005 Openedhand Ltd. |
f0fba2ad LG |
6 | * Copyright (C) 2010 Slimlogic Ltd. |
7 | * Copyright (C) 2010 Texas Instruments Inc. | |
0664d888 | 8 | * |
d331124d | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
0664d888 LG |
10 | * with code, comments and ideas from :- |
11 | * Richard Purdie <richard@openedhand.com> | |
db2a4165 FM |
12 | * |
13 | * This program is free software; you can redistribute it and/or modify it | |
14 | * under the terms of the GNU General Public License as published by the | |
15 | * Free Software Foundation; either version 2 of the License, or (at your | |
16 | * option) any later version. | |
17 | * | |
db2a4165 FM |
18 | * TODO: |
19 | * o Add hw rules to enforce rates, etc. | |
20 | * o More testing with other codecs/machines. | |
21 | * o Add more codecs and platforms to ensure good API coverage. | |
22 | * o Support TDM on PCM and I2S | |
23 | */ | |
24 | ||
25 | #include <linux/module.h> | |
26 | #include <linux/moduleparam.h> | |
27 | #include <linux/init.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/pm.h> | |
30 | #include <linux/bitops.h> | |
12ef193d | 31 | #include <linux/debugfs.h> |
db2a4165 | 32 | #include <linux/platform_device.h> |
741a509f | 33 | #include <linux/pinctrl/consumer.h> |
f0e8ed85 | 34 | #include <linux/ctype.h> |
5a0e3ad6 | 35 | #include <linux/slab.h> |
bec4fa05 | 36 | #include <linux/of.h> |
741a509f MP |
37 | #include <linux/gpio.h> |
38 | #include <linux/of_gpio.h> | |
474828a4 | 39 | #include <sound/ac97_codec.h> |
db2a4165 | 40 | #include <sound/core.h> |
3028eb8c | 41 | #include <sound/jack.h> |
db2a4165 FM |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
01d7584c | 45 | #include <sound/soc-dpcm.h> |
db2a4165 FM |
46 | #include <sound/initval.h> |
47 | ||
a8b1d34f MB |
48 | #define CREATE_TRACE_POINTS |
49 | #include <trace/events/asoc.h> | |
50 | ||
f0fba2ad LG |
51 | #define NAME_SIZE 32 |
52 | ||
384c89e2 | 53 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
54 | struct dentry *snd_soc_debugfs_root; |
55 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); | |
384c89e2 MB |
56 | #endif |
57 | ||
c5af3a2e | 58 | static DEFINE_MUTEX(client_mutex); |
12a48a8c | 59 | static LIST_HEAD(platform_list); |
0d0cf00a | 60 | static LIST_HEAD(codec_list); |
030e79f6 | 61 | static LIST_HEAD(component_list); |
c5af3a2e | 62 | |
db2a4165 FM |
63 | /* |
64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). | |
65 | * It can be used to eliminate pops between different playback streams, e.g. | |
66 | * between two audio tracks. | |
67 | */ | |
68 | static int pmdown_time = 5000; | |
69 | module_param(pmdown_time, int, 0); | |
70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); | |
71 | ||
741a509f MP |
72 | struct snd_ac97_reset_cfg { |
73 | struct pinctrl *pctl; | |
74 | struct pinctrl_state *pstate_reset; | |
75 | struct pinctrl_state *pstate_warm_reset; | |
76 | struct pinctrl_state *pstate_run; | |
77 | int gpio_sdata; | |
78 | int gpio_sync; | |
79 | int gpio_reset; | |
80 | }; | |
81 | ||
2bc9a81e DP |
82 | /* returns the minimum number of bytes needed to represent |
83 | * a particular given value */ | |
84 | static int min_bytes_needed(unsigned long val) | |
85 | { | |
86 | int c = 0; | |
87 | int i; | |
88 | ||
89 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) | |
90 | if (val & (1UL << i)) | |
91 | break; | |
92 | c = (sizeof val * 8) - c; | |
93 | if (!c || (c % 8)) | |
94 | c = (c + 8) / 8; | |
95 | else | |
96 | c /= 8; | |
97 | return c; | |
98 | } | |
99 | ||
13fd179f DP |
100 | /* fill buf which is 'len' bytes with a formatted |
101 | * string of the form 'reg: value\n' */ | |
102 | static int format_register_str(struct snd_soc_codec *codec, | |
103 | unsigned int reg, char *buf, size_t len) | |
104 | { | |
00b317a4 SW |
105 | int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
106 | int regsize = codec->driver->reg_word_size * 2; | |
13fd179f DP |
107 | int ret; |
108 | char tmpbuf[len + 1]; | |
109 | char regbuf[regsize + 1]; | |
110 | ||
111 | /* since tmpbuf is allocated on the stack, warn the callers if they | |
112 | * try to abuse this function */ | |
113 | WARN_ON(len > 63); | |
114 | ||
115 | /* +2 for ': ' and + 1 for '\n' */ | |
116 | if (wordsize + regsize + 2 + 1 != len) | |
117 | return -EINVAL; | |
118 | ||
25032c11 | 119 | ret = snd_soc_read(codec, reg); |
13fd179f DP |
120 | if (ret < 0) { |
121 | memset(regbuf, 'X', regsize); | |
122 | regbuf[regsize] = '\0'; | |
123 | } else { | |
124 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); | |
125 | } | |
126 | ||
127 | /* prepare the buffer */ | |
128 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); | |
129 | /* copy it back to the caller without the '\0' */ | |
130 | memcpy(buf, tmpbuf, len); | |
131 | ||
132 | return 0; | |
133 | } | |
134 | ||
2624d5fa | 135 | /* codec register dump */ |
13fd179f DP |
136 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
137 | size_t count, loff_t pos) | |
2624d5fa | 138 | { |
13fd179f | 139 | int i, step = 1; |
2bc9a81e | 140 | int wordsize, regsize; |
13fd179f DP |
141 | int len; |
142 | size_t total = 0; | |
143 | loff_t p = 0; | |
2bc9a81e | 144 | |
00b317a4 SW |
145 | wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
146 | regsize = codec->driver->reg_word_size * 2; | |
2624d5fa | 147 | |
13fd179f DP |
148 | len = wordsize + regsize + 2 + 1; |
149 | ||
f0fba2ad | 150 | if (!codec->driver->reg_cache_size) |
2624d5fa MB |
151 | return 0; |
152 | ||
f0fba2ad LG |
153 | if (codec->driver->reg_cache_step) |
154 | step = codec->driver->reg_cache_step; | |
2624d5fa | 155 | |
f0fba2ad | 156 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
b92d150b | 157 | if (!snd_soc_codec_readable_register(codec, i)) |
2624d5fa | 158 | continue; |
f0fba2ad LG |
159 | if (codec->driver->display_register) { |
160 | count += codec->driver->display_register(codec, buf + count, | |
2624d5fa | 161 | PAGE_SIZE - count, i); |
5164d74d | 162 | } else { |
13fd179f DP |
163 | /* only support larger than PAGE_SIZE bytes debugfs |
164 | * entries for the default case */ | |
165 | if (p >= pos) { | |
166 | if (total + len >= count - 1) | |
167 | break; | |
168 | format_register_str(codec, i, buf + total, len); | |
169 | total += len; | |
170 | } | |
171 | p += len; | |
5164d74d | 172 | } |
2624d5fa MB |
173 | } |
174 | ||
13fd179f | 175 | total = min(total, count - 1); |
2624d5fa | 176 | |
13fd179f | 177 | return total; |
2624d5fa | 178 | } |
13fd179f | 179 | |
2624d5fa MB |
180 | static ssize_t codec_reg_show(struct device *dev, |
181 | struct device_attribute *attr, char *buf) | |
182 | { | |
36ae1a96 | 183 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
f0fba2ad | 184 | |
13fd179f | 185 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
2624d5fa MB |
186 | } |
187 | ||
188 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); | |
189 | ||
dbe21408 MB |
190 | static ssize_t pmdown_time_show(struct device *dev, |
191 | struct device_attribute *attr, char *buf) | |
192 | { | |
36ae1a96 | 193 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
dbe21408 | 194 | |
f0fba2ad | 195 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
dbe21408 MB |
196 | } |
197 | ||
198 | static ssize_t pmdown_time_set(struct device *dev, | |
199 | struct device_attribute *attr, | |
200 | const char *buf, size_t count) | |
201 | { | |
36ae1a96 | 202 | struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); |
c593b520 | 203 | int ret; |
dbe21408 | 204 | |
b785a492 | 205 | ret = kstrtol(buf, 10, &rtd->pmdown_time); |
c593b520 MB |
206 | if (ret) |
207 | return ret; | |
dbe21408 MB |
208 | |
209 | return count; | |
210 | } | |
211 | ||
212 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); | |
213 | ||
2624d5fa | 214 | #ifdef CONFIG_DEBUG_FS |
2624d5fa | 215 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
13fd179f | 216 | size_t count, loff_t *ppos) |
2624d5fa MB |
217 | { |
218 | ssize_t ret; | |
219 | struct snd_soc_codec *codec = file->private_data; | |
13fd179f DP |
220 | char *buf; |
221 | ||
222 | if (*ppos < 0 || !count) | |
223 | return -EINVAL; | |
224 | ||
225 | buf = kmalloc(count, GFP_KERNEL); | |
2624d5fa MB |
226 | if (!buf) |
227 | return -ENOMEM; | |
13fd179f DP |
228 | |
229 | ret = soc_codec_reg_show(codec, buf, count, *ppos); | |
230 | if (ret >= 0) { | |
231 | if (copy_to_user(user_buf, buf, ret)) { | |
232 | kfree(buf); | |
233 | return -EFAULT; | |
234 | } | |
235 | *ppos += ret; | |
236 | } | |
237 | ||
2624d5fa MB |
238 | kfree(buf); |
239 | return ret; | |
240 | } | |
241 | ||
242 | static ssize_t codec_reg_write_file(struct file *file, | |
243 | const char __user *user_buf, size_t count, loff_t *ppos) | |
244 | { | |
245 | char buf[32]; | |
34e268d8 | 246 | size_t buf_size; |
2624d5fa MB |
247 | char *start = buf; |
248 | unsigned long reg, value; | |
2624d5fa | 249 | struct snd_soc_codec *codec = file->private_data; |
b785a492 | 250 | int ret; |
2624d5fa MB |
251 | |
252 | buf_size = min(count, (sizeof(buf)-1)); | |
253 | if (copy_from_user(buf, user_buf, buf_size)) | |
254 | return -EFAULT; | |
255 | buf[buf_size] = 0; | |
2624d5fa MB |
256 | |
257 | while (*start == ' ') | |
258 | start++; | |
259 | reg = simple_strtoul(start, &start, 16); | |
2624d5fa MB |
260 | while (*start == ' ') |
261 | start++; | |
b785a492 JH |
262 | ret = kstrtoul(start, 16, &value); |
263 | if (ret) | |
264 | return ret; | |
0d51a9cb MB |
265 | |
266 | /* Userspace has been fiddling around behind the kernel's back */ | |
373d4d09 | 267 | add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE); |
0d51a9cb | 268 | |
e4f078d8 | 269 | snd_soc_write(codec, reg, value); |
2624d5fa MB |
270 | return buf_size; |
271 | } | |
272 | ||
273 | static const struct file_operations codec_reg_fops = { | |
234e3405 | 274 | .open = simple_open, |
2624d5fa MB |
275 | .read = codec_reg_read_file, |
276 | .write = codec_reg_write_file, | |
6038f373 | 277 | .llseek = default_llseek, |
2624d5fa MB |
278 | }; |
279 | ||
280 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
281 | { | |
d6ce4cf3 JN |
282 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
283 | ||
284 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, | |
285 | debugfs_card_root); | |
2624d5fa | 286 | if (!codec->debugfs_codec_root) { |
10e8aa9a MM |
287 | dev_warn(codec->dev, |
288 | "ASoC: Failed to create codec debugfs directory\n"); | |
2624d5fa MB |
289 | return; |
290 | } | |
291 | ||
aaee8ef1 MB |
292 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
293 | &codec->cache_sync); | |
294 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, | |
295 | &codec->cache_only); | |
296 | ||
2624d5fa MB |
297 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
298 | codec->debugfs_codec_root, | |
299 | codec, &codec_reg_fops); | |
300 | if (!codec->debugfs_reg) | |
10e8aa9a MM |
301 | dev_warn(codec->dev, |
302 | "ASoC: Failed to create codec register debugfs file\n"); | |
2624d5fa | 303 | |
8eecaf62 | 304 | snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root); |
2624d5fa MB |
305 | } |
306 | ||
307 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
308 | { | |
309 | debugfs_remove_recursive(codec->debugfs_codec_root); | |
310 | } | |
311 | ||
731f1ab2 SG |
312 | static void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
313 | { | |
314 | struct dentry *debugfs_card_root = platform->card->debugfs_card_root; | |
315 | ||
316 | platform->debugfs_platform_root = debugfs_create_dir(platform->name, | |
317 | debugfs_card_root); | |
318 | if (!platform->debugfs_platform_root) { | |
319 | dev_warn(platform->dev, | |
f110bfc7 | 320 | "ASoC: Failed to create platform debugfs directory\n"); |
731f1ab2 SG |
321 | return; |
322 | } | |
323 | ||
324 | snd_soc_dapm_debugfs_init(&platform->dapm, | |
325 | platform->debugfs_platform_root); | |
326 | } | |
327 | ||
328 | static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
329 | { | |
330 | debugfs_remove_recursive(platform->debugfs_platform_root); | |
331 | } | |
332 | ||
c3c5a19a MB |
333 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
334 | size_t count, loff_t *ppos) | |
335 | { | |
336 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 337 | ssize_t len, ret = 0; |
c3c5a19a MB |
338 | struct snd_soc_codec *codec; |
339 | ||
340 | if (!buf) | |
341 | return -ENOMEM; | |
342 | ||
2b194f9d MB |
343 | list_for_each_entry(codec, &codec_list, list) { |
344 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
345 | codec->name); | |
346 | if (len >= 0) | |
347 | ret += len; | |
348 | if (ret > PAGE_SIZE) { | |
349 | ret = PAGE_SIZE; | |
350 | break; | |
351 | } | |
352 | } | |
c3c5a19a MB |
353 | |
354 | if (ret >= 0) | |
355 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); | |
356 | ||
357 | kfree(buf); | |
358 | ||
359 | return ret; | |
360 | } | |
361 | ||
362 | static const struct file_operations codec_list_fops = { | |
363 | .read = codec_list_read_file, | |
364 | .llseek = default_llseek,/* read accesses f_pos */ | |
365 | }; | |
366 | ||
f3208780 MB |
367 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
368 | size_t count, loff_t *ppos) | |
369 | { | |
370 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 371 | ssize_t len, ret = 0; |
1438c2f6 | 372 | struct snd_soc_component *component; |
f3208780 MB |
373 | struct snd_soc_dai *dai; |
374 | ||
375 | if (!buf) | |
376 | return -ENOMEM; | |
377 | ||
1438c2f6 LPC |
378 | list_for_each_entry(component, &component_list, list) { |
379 | list_for_each_entry(dai, &component->dai_list, list) { | |
380 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
381 | dai->name); | |
382 | if (len >= 0) | |
383 | ret += len; | |
384 | if (ret > PAGE_SIZE) { | |
385 | ret = PAGE_SIZE; | |
386 | break; | |
387 | } | |
2b194f9d MB |
388 | } |
389 | } | |
f3208780 | 390 | |
2b194f9d | 391 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
f3208780 MB |
392 | |
393 | kfree(buf); | |
394 | ||
395 | return ret; | |
396 | } | |
397 | ||
398 | static const struct file_operations dai_list_fops = { | |
399 | .read = dai_list_read_file, | |
400 | .llseek = default_llseek,/* read accesses f_pos */ | |
401 | }; | |
402 | ||
19c7ac27 MB |
403 | static ssize_t platform_list_read_file(struct file *file, |
404 | char __user *user_buf, | |
405 | size_t count, loff_t *ppos) | |
406 | { | |
407 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); | |
2b194f9d | 408 | ssize_t len, ret = 0; |
19c7ac27 MB |
409 | struct snd_soc_platform *platform; |
410 | ||
411 | if (!buf) | |
412 | return -ENOMEM; | |
413 | ||
2b194f9d MB |
414 | list_for_each_entry(platform, &platform_list, list) { |
415 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", | |
416 | platform->name); | |
417 | if (len >= 0) | |
418 | ret += len; | |
419 | if (ret > PAGE_SIZE) { | |
420 | ret = PAGE_SIZE; | |
421 | break; | |
422 | } | |
423 | } | |
19c7ac27 | 424 | |
2b194f9d | 425 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
19c7ac27 MB |
426 | |
427 | kfree(buf); | |
428 | ||
429 | return ret; | |
430 | } | |
431 | ||
432 | static const struct file_operations platform_list_fops = { | |
433 | .read = platform_list_read_file, | |
434 | .llseek = default_llseek,/* read accesses f_pos */ | |
435 | }; | |
436 | ||
a6052154 JN |
437 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
438 | { | |
439 | card->debugfs_card_root = debugfs_create_dir(card->name, | |
8a9dab1a | 440 | snd_soc_debugfs_root); |
3a45b867 | 441 | if (!card->debugfs_card_root) { |
a6052154 | 442 | dev_warn(card->dev, |
7c08be84 | 443 | "ASoC: Failed to create card debugfs directory\n"); |
3a45b867 JN |
444 | return; |
445 | } | |
446 | ||
447 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, | |
448 | card->debugfs_card_root, | |
449 | &card->pop_time); | |
450 | if (!card->debugfs_pop_time) | |
451 | dev_warn(card->dev, | |
f110bfc7 | 452 | "ASoC: Failed to create pop time debugfs file\n"); |
a6052154 JN |
453 | } |
454 | ||
455 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
456 | { | |
457 | debugfs_remove_recursive(card->debugfs_card_root); | |
458 | } | |
459 | ||
2624d5fa MB |
460 | #else |
461 | ||
462 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) | |
463 | { | |
464 | } | |
465 | ||
466 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) | |
467 | { | |
468 | } | |
b95fccbc | 469 | |
731f1ab2 SG |
470 | static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) |
471 | { | |
472 | } | |
473 | ||
474 | static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) | |
475 | { | |
476 | } | |
477 | ||
b95fccbc AL |
478 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
479 | { | |
480 | } | |
481 | ||
482 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) | |
483 | { | |
484 | } | |
2624d5fa MB |
485 | #endif |
486 | ||
47c88fff LG |
487 | struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card, |
488 | const char *dai_link, int stream) | |
489 | { | |
490 | int i; | |
491 | ||
492 | for (i = 0; i < card->num_links; i++) { | |
493 | if (card->rtd[i].dai_link->no_pcm && | |
494 | !strcmp(card->rtd[i].dai_link->name, dai_link)) | |
495 | return card->rtd[i].pcm->streams[stream].substream; | |
496 | } | |
f110bfc7 | 497 | dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link); |
47c88fff LG |
498 | return NULL; |
499 | } | |
500 | EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream); | |
501 | ||
502 | struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card, | |
503 | const char *dai_link) | |
504 | { | |
505 | int i; | |
506 | ||
507 | for (i = 0; i < card->num_links; i++) { | |
508 | if (!strcmp(card->rtd[i].dai_link->name, dai_link)) | |
509 | return &card->rtd[i]; | |
510 | } | |
f110bfc7 | 511 | dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link); |
47c88fff LG |
512 | return NULL; |
513 | } | |
514 | EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime); | |
515 | ||
db2a4165 FM |
516 | #ifdef CONFIG_SND_SOC_AC97_BUS |
517 | /* unregister ac97 codec */ | |
518 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) | |
519 | { | |
520 | if (codec->ac97->dev.bus) | |
521 | device_unregister(&codec->ac97->dev); | |
522 | return 0; | |
523 | } | |
524 | ||
525 | /* stop no dev release warning */ | |
526 | static void soc_ac97_device_release(struct device *dev){} | |
527 | ||
528 | /* register ac97 codec to bus */ | |
529 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) | |
530 | { | |
531 | int err; | |
532 | ||
533 | codec->ac97->dev.bus = &ac97_bus_type; | |
4ac5c61f | 534 | codec->ac97->dev.parent = codec->card->dev; |
db2a4165 FM |
535 | codec->ac97->dev.release = soc_ac97_device_release; |
536 | ||
bb072bf0 | 537 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
f0fba2ad | 538 | codec->card->snd_card->number, 0, codec->name); |
db2a4165 FM |
539 | err = device_register(&codec->ac97->dev); |
540 | if (err < 0) { | |
f110bfc7 | 541 | dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); |
db2a4165 FM |
542 | codec->ac97->dev.bus = NULL; |
543 | return err; | |
544 | } | |
545 | return 0; | |
546 | } | |
547 | #endif | |
548 | ||
9d58a077 RF |
549 | static void codec2codec_close_delayed_work(struct work_struct *work) |
550 | { | |
551 | /* Currently nothing to do for c2c links | |
552 | * Since c2c links are internal nodes in the DAPM graph and | |
553 | * don't interface with the outside world or application layer | |
554 | * we don't have to do any special handling on close. | |
555 | */ | |
556 | } | |
557 | ||
6f8ab4ac | 558 | #ifdef CONFIG_PM_SLEEP |
db2a4165 | 559 | /* powers down audio subsystem for suspend */ |
6f8ab4ac | 560 | int snd_soc_suspend(struct device *dev) |
db2a4165 | 561 | { |
6f8ab4ac | 562 | struct snd_soc_card *card = dev_get_drvdata(dev); |
2eea392d | 563 | struct snd_soc_codec *codec; |
db2a4165 FM |
564 | int i; |
565 | ||
e3509ff0 DM |
566 | /* If the initialization of this soc device failed, there is no codec |
567 | * associated with it. Just bail out in this case. | |
568 | */ | |
f0fba2ad | 569 | if (list_empty(&card->codec_dev_list)) |
e3509ff0 DM |
570 | return 0; |
571 | ||
6ed25978 AG |
572 | /* Due to the resume being scheduled into a workqueue we could |
573 | * suspend before that's finished - wait for it to complete. | |
574 | */ | |
f0fba2ad LG |
575 | snd_power_lock(card->snd_card); |
576 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); | |
577 | snd_power_unlock(card->snd_card); | |
6ed25978 AG |
578 | |
579 | /* we're going to block userspace touching us until resume completes */ | |
f0fba2ad | 580 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
6ed25978 | 581 | |
a00f90f9 | 582 | /* mute any active DACs */ |
f0fba2ad LG |
583 | for (i = 0; i < card->num_rtd; i++) { |
584 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
585 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 586 | |
f0fba2ad | 587 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
588 | continue; |
589 | ||
f0fba2ad LG |
590 | if (drv->ops->digital_mute && dai->playback_active) |
591 | drv->ops->digital_mute(dai, 1); | |
db2a4165 FM |
592 | } |
593 | ||
4ccab3e7 | 594 | /* suspend all pcms */ |
f0fba2ad LG |
595 | for (i = 0; i < card->num_rtd; i++) { |
596 | if (card->rtd[i].dai_link->ignore_suspend) | |
3efab7dc MB |
597 | continue; |
598 | ||
f0fba2ad | 599 | snd_pcm_suspend_all(card->rtd[i].pcm); |
3efab7dc | 600 | } |
4ccab3e7 | 601 | |
87506549 | 602 | if (card->suspend_pre) |
70b2ac12 | 603 | card->suspend_pre(card); |
db2a4165 | 604 | |
f0fba2ad LG |
605 | for (i = 0; i < card->num_rtd; i++) { |
606 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
607 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 608 | |
f0fba2ad | 609 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
610 | continue; |
611 | ||
f0fba2ad LG |
612 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
613 | cpu_dai->driver->suspend(cpu_dai); | |
614 | if (platform->driver->suspend && !platform->suspended) { | |
615 | platform->driver->suspend(cpu_dai); | |
616 | platform->suspended = 1; | |
617 | } | |
db2a4165 FM |
618 | } |
619 | ||
620 | /* close any waiting streams and save state */ | |
f0fba2ad | 621 | for (i = 0; i < card->num_rtd; i++) { |
43829731 | 622 | flush_delayed_work(&card->rtd[i].delayed_work); |
ce6120cc | 623 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
f0fba2ad | 624 | } |
db2a4165 | 625 | |
f0fba2ad | 626 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 627 | |
f0fba2ad | 628 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
629 | continue; |
630 | ||
7bd3a6f3 MB |
631 | snd_soc_dapm_stream_event(&card->rtd[i], |
632 | SNDRV_PCM_STREAM_PLAYBACK, | |
7bd3a6f3 | 633 | SND_SOC_DAPM_STREAM_SUSPEND); |
f0fba2ad | 634 | |
7bd3a6f3 MB |
635 | snd_soc_dapm_stream_event(&card->rtd[i], |
636 | SNDRV_PCM_STREAM_CAPTURE, | |
7bd3a6f3 | 637 | SND_SOC_DAPM_STREAM_SUSPEND); |
db2a4165 FM |
638 | } |
639 | ||
e2d32ff6 MB |
640 | /* Recheck all analogue paths too */ |
641 | dapm_mark_io_dirty(&card->dapm); | |
642 | snd_soc_dapm_sync(&card->dapm); | |
643 | ||
f0fba2ad | 644 | /* suspend all CODECs */ |
2eea392d | 645 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
646 | /* If there are paths active then the CODEC will be held with |
647 | * bias _ON and should not be suspended. */ | |
648 | if (!codec->suspended && codec->driver->suspend) { | |
ce6120cc | 649 | switch (codec->dapm.bias_level) { |
f0fba2ad | 650 | case SND_SOC_BIAS_STANDBY: |
125a25da MB |
651 | /* |
652 | * If the CODEC is capable of idle | |
653 | * bias off then being in STANDBY | |
654 | * means it's doing something, | |
655 | * otherwise fall through. | |
656 | */ | |
657 | if (codec->dapm.idle_bias_off) { | |
658 | dev_dbg(codec->dev, | |
10e8aa9a | 659 | "ASoC: idle_bias_off CODEC on over suspend\n"); |
125a25da MB |
660 | break; |
661 | } | |
f0fba2ad | 662 | case SND_SOC_BIAS_OFF: |
84b315ee | 663 | codec->driver->suspend(codec); |
f0fba2ad | 664 | codec->suspended = 1; |
7be4ba24 | 665 | codec->cache_sync = 1; |
da8b8e0f MB |
666 | if (codec->using_regmap) |
667 | regcache_mark_dirty(codec->control_data); | |
988e8cc4 NC |
668 | /* deactivate pins to sleep state */ |
669 | pinctrl_pm_select_sleep_state(codec->dev); | |
f0fba2ad LG |
670 | break; |
671 | default: | |
10e8aa9a MM |
672 | dev_dbg(codec->dev, |
673 | "ASoC: CODEC is on over suspend\n"); | |
f0fba2ad LG |
674 | break; |
675 | } | |
1547aba9 MB |
676 | } |
677 | } | |
db2a4165 | 678 | |
f0fba2ad LG |
679 | for (i = 0; i < card->num_rtd; i++) { |
680 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 681 | |
f0fba2ad | 682 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
683 | continue; |
684 | ||
f0fba2ad LG |
685 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
686 | cpu_dai->driver->suspend(cpu_dai); | |
988e8cc4 NC |
687 | |
688 | /* deactivate pins to sleep state */ | |
689 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
db2a4165 FM |
690 | } |
691 | ||
87506549 | 692 | if (card->suspend_post) |
70b2ac12 | 693 | card->suspend_post(card); |
db2a4165 FM |
694 | |
695 | return 0; | |
696 | } | |
6f8ab4ac | 697 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
db2a4165 | 698 | |
6ed25978 AG |
699 | /* deferred resume work, so resume can complete before we finished |
700 | * setting our codec back up, which can be very slow on I2C | |
701 | */ | |
702 | static void soc_resume_deferred(struct work_struct *work) | |
db2a4165 | 703 | { |
f0fba2ad LG |
704 | struct snd_soc_card *card = |
705 | container_of(work, struct snd_soc_card, deferred_resume_work); | |
2eea392d | 706 | struct snd_soc_codec *codec; |
db2a4165 FM |
707 | int i; |
708 | ||
6ed25978 AG |
709 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
710 | * so userspace apps are blocked from touching us | |
711 | */ | |
712 | ||
f110bfc7 | 713 | dev_dbg(card->dev, "ASoC: starting resume work\n"); |
6ed25978 | 714 | |
9949788b | 715 | /* Bring us up into D2 so that DAPM starts enabling things */ |
f0fba2ad | 716 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
9949788b | 717 | |
87506549 | 718 | if (card->resume_pre) |
70b2ac12 | 719 | card->resume_pre(card); |
db2a4165 | 720 | |
f0fba2ad LG |
721 | /* resume AC97 DAIs */ |
722 | for (i = 0; i < card->num_rtd; i++) { | |
723 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3efab7dc | 724 | |
f0fba2ad | 725 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
726 | continue; |
727 | ||
f0fba2ad LG |
728 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
729 | cpu_dai->driver->resume(cpu_dai); | |
730 | } | |
731 | ||
2eea392d | 732 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
f0fba2ad LG |
733 | /* If the CODEC was idle over suspend then it will have been |
734 | * left with bias OFF or STANDBY and suspended so we must now | |
735 | * resume. Otherwise the suspend was suppressed. | |
736 | */ | |
737 | if (codec->driver->resume && codec->suspended) { | |
ce6120cc | 738 | switch (codec->dapm.bias_level) { |
f0fba2ad LG |
739 | case SND_SOC_BIAS_STANDBY: |
740 | case SND_SOC_BIAS_OFF: | |
741 | codec->driver->resume(codec); | |
742 | codec->suspended = 0; | |
743 | break; | |
744 | default: | |
10e8aa9a MM |
745 | dev_dbg(codec->dev, |
746 | "ASoC: CODEC was on over suspend\n"); | |
f0fba2ad LG |
747 | break; |
748 | } | |
1547aba9 MB |
749 | } |
750 | } | |
db2a4165 | 751 | |
f0fba2ad | 752 | for (i = 0; i < card->num_rtd; i++) { |
3efab7dc | 753 | |
f0fba2ad | 754 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
755 | continue; |
756 | ||
7bd3a6f3 | 757 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 758 | SNDRV_PCM_STREAM_PLAYBACK, |
7bd3a6f3 | 759 | SND_SOC_DAPM_STREAM_RESUME); |
f0fba2ad | 760 | |
7bd3a6f3 | 761 | snd_soc_dapm_stream_event(&card->rtd[i], |
d9b0951b | 762 | SNDRV_PCM_STREAM_CAPTURE, |
7bd3a6f3 | 763 | SND_SOC_DAPM_STREAM_RESUME); |
db2a4165 FM |
764 | } |
765 | ||
3ff3f64b | 766 | /* unmute any active DACs */ |
f0fba2ad LG |
767 | for (i = 0; i < card->num_rtd; i++) { |
768 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; | |
769 | struct snd_soc_dai_driver *drv = dai->driver; | |
3efab7dc | 770 | |
f0fba2ad | 771 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
772 | continue; |
773 | ||
f0fba2ad LG |
774 | if (drv->ops->digital_mute && dai->playback_active) |
775 | drv->ops->digital_mute(dai, 0); | |
db2a4165 FM |
776 | } |
777 | ||
f0fba2ad LG |
778 | for (i = 0; i < card->num_rtd; i++) { |
779 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
780 | struct snd_soc_platform *platform = card->rtd[i].platform; | |
3efab7dc | 781 | |
f0fba2ad | 782 | if (card->rtd[i].dai_link->ignore_suspend) |
3efab7dc MB |
783 | continue; |
784 | ||
f0fba2ad LG |
785 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
786 | cpu_dai->driver->resume(cpu_dai); | |
787 | if (platform->driver->resume && platform->suspended) { | |
788 | platform->driver->resume(cpu_dai); | |
789 | platform->suspended = 0; | |
790 | } | |
db2a4165 FM |
791 | } |
792 | ||
87506549 | 793 | if (card->resume_post) |
70b2ac12 | 794 | card->resume_post(card); |
db2a4165 | 795 | |
f110bfc7 | 796 | dev_dbg(card->dev, "ASoC: resume work completed\n"); |
6ed25978 AG |
797 | |
798 | /* userspace can access us now we are back as we were before */ | |
f0fba2ad | 799 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
e2d32ff6 MB |
800 | |
801 | /* Recheck all analogue paths too */ | |
802 | dapm_mark_io_dirty(&card->dapm); | |
803 | snd_soc_dapm_sync(&card->dapm); | |
6ed25978 AG |
804 | } |
805 | ||
806 | /* powers up audio subsystem after a suspend */ | |
6f8ab4ac | 807 | int snd_soc_resume(struct device *dev) |
6ed25978 | 808 | { |
6f8ab4ac | 809 | struct snd_soc_card *card = dev_get_drvdata(dev); |
82e14e8b | 810 | int i, ac97_control = 0; |
b9dd94a8 | 811 | |
5ff1ddf2 EM |
812 | /* If the initialization of this soc device failed, there is no codec |
813 | * associated with it. Just bail out in this case. | |
814 | */ | |
815 | if (list_empty(&card->codec_dev_list)) | |
816 | return 0; | |
817 | ||
988e8cc4 NC |
818 | /* activate pins from sleep state */ |
819 | for (i = 0; i < card->num_rtd; i++) { | |
820 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
821 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
822 | if (cpu_dai->active) | |
823 | pinctrl_pm_select_default_state(cpu_dai->dev); | |
824 | if (codec_dai->active) | |
825 | pinctrl_pm_select_default_state(codec_dai->dev); | |
826 | } | |
827 | ||
64ab9baa MB |
828 | /* AC97 devices might have other drivers hanging off them so |
829 | * need to resume immediately. Other drivers don't have that | |
830 | * problem and may take a substantial amount of time to resume | |
831 | * due to I/O costs and anti-pop so handle them out of line. | |
832 | */ | |
f0fba2ad LG |
833 | for (i = 0; i < card->num_rtd; i++) { |
834 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
82e14e8b SW |
835 | ac97_control |= cpu_dai->driver->ac97_control; |
836 | } | |
837 | if (ac97_control) { | |
f110bfc7 | 838 | dev_dbg(dev, "ASoC: Resuming AC97 immediately\n"); |
82e14e8b SW |
839 | soc_resume_deferred(&card->deferred_resume_work); |
840 | } else { | |
f110bfc7 | 841 | dev_dbg(dev, "ASoC: Scheduling resume work\n"); |
82e14e8b | 842 | if (!schedule_work(&card->deferred_resume_work)) |
f110bfc7 | 843 | dev_err(dev, "ASoC: resume work item may be lost\n"); |
64ab9baa | 844 | } |
6ed25978 | 845 | |
db2a4165 FM |
846 | return 0; |
847 | } | |
6f8ab4ac | 848 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
db2a4165 | 849 | #else |
6f8ab4ac MB |
850 | #define snd_soc_suspend NULL |
851 | #define snd_soc_resume NULL | |
db2a4165 FM |
852 | #endif |
853 | ||
85e7652d | 854 | static const struct snd_soc_dai_ops null_dai_ops = { |
02a06d30 BS |
855 | }; |
856 | ||
12023a9a MLC |
857 | static struct snd_soc_codec *soc_find_codec(const struct device_node *codec_of_node, |
858 | const char *codec_name) | |
859 | { | |
860 | struct snd_soc_codec *codec; | |
861 | ||
862 | list_for_each_entry(codec, &codec_list, list) { | |
863 | if (codec_of_node) { | |
864 | if (codec->dev->of_node != codec_of_node) | |
865 | continue; | |
866 | } else { | |
867 | if (strcmp(codec->name, codec_name)) | |
868 | continue; | |
869 | } | |
870 | ||
871 | return codec; | |
872 | } | |
873 | ||
874 | return NULL; | |
875 | } | |
876 | ||
877 | static struct snd_soc_dai *soc_find_codec_dai(struct snd_soc_codec *codec, | |
878 | const char *codec_dai_name) | |
879 | { | |
880 | struct snd_soc_dai *codec_dai; | |
881 | ||
882 | list_for_each_entry(codec_dai, &codec->component.dai_list, list) { | |
883 | if (!strcmp(codec_dai->name, codec_dai_name)) { | |
884 | return codec_dai; | |
885 | } | |
886 | } | |
887 | ||
888 | return NULL; | |
889 | } | |
890 | ||
f0fba2ad | 891 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
db2a4165 | 892 | { |
f0fba2ad LG |
893 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
894 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1438c2f6 | 895 | struct snd_soc_component *component; |
435c5e25 | 896 | struct snd_soc_platform *platform; |
12023a9a | 897 | struct snd_soc_dai *cpu_dai; |
848dd8be | 898 | const char *platform_name; |
435c5e25 | 899 | |
f110bfc7 | 900 | dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num); |
435c5e25 | 901 | |
b19e6e7b | 902 | /* Find CPU DAI from registered DAIs*/ |
1438c2f6 | 903 | list_for_each_entry(component, &component_list, list) { |
bc92657a | 904 | if (dai_link->cpu_of_node && |
1438c2f6 | 905 | component->dev->of_node != dai_link->cpu_of_node) |
bc92657a SW |
906 | continue; |
907 | if (dai_link->cpu_name && | |
1438c2f6 | 908 | strcmp(dev_name(component->dev), dai_link->cpu_name)) |
bc92657a | 909 | continue; |
1438c2f6 LPC |
910 | list_for_each_entry(cpu_dai, &component->dai_list, list) { |
911 | if (dai_link->cpu_dai_name && | |
912 | strcmp(cpu_dai->name, dai_link->cpu_dai_name)) | |
913 | continue; | |
2610ab77 | 914 | |
1438c2f6 LPC |
915 | rtd->cpu_dai = cpu_dai; |
916 | } | |
435c5e25 | 917 | } |
6308419a | 918 | |
b19e6e7b | 919 | if (!rtd->cpu_dai) { |
f110bfc7 | 920 | dev_err(card->dev, "ASoC: CPU DAI %s not registered\n", |
b19e6e7b MB |
921 | dai_link->cpu_dai_name); |
922 | return -EPROBE_DEFER; | |
f0fba2ad LG |
923 | } |
924 | ||
12023a9a MLC |
925 | /* Find CODEC from registered list */ |
926 | rtd->codec = soc_find_codec(dai_link->codec_of_node, | |
927 | dai_link->codec_name); | |
b19e6e7b | 928 | if (!rtd->codec) { |
f110bfc7 | 929 | dev_err(card->dev, "ASoC: CODEC %s not registered\n", |
b19e6e7b MB |
930 | dai_link->codec_name); |
931 | return -EPROBE_DEFER; | |
932 | } | |
848dd8be | 933 | |
12023a9a MLC |
934 | /* Find CODEC DAI from registered list */ |
935 | rtd->codec_dai = soc_find_codec_dai(rtd->codec, | |
936 | dai_link->codec_dai_name); | |
937 | if (!rtd->codec_dai) { | |
938 | dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n", | |
939 | dai_link->codec_dai_name); | |
940 | return -EPROBE_DEFER; | |
941 | } | |
942 | ||
848dd8be MB |
943 | /* if there's no platform we match on the empty platform */ |
944 | platform_name = dai_link->platform_name; | |
5a504963 | 945 | if (!platform_name && !dai_link->platform_of_node) |
848dd8be MB |
946 | platform_name = "snd-soc-dummy"; |
947 | ||
b19e6e7b | 948 | /* find one from the set of registered platforms */ |
f0fba2ad | 949 | list_for_each_entry(platform, &platform_list, list) { |
5a504963 SW |
950 | if (dai_link->platform_of_node) { |
951 | if (platform->dev->of_node != | |
952 | dai_link->platform_of_node) | |
953 | continue; | |
954 | } else { | |
955 | if (strcmp(platform->name, platform_name)) | |
956 | continue; | |
957 | } | |
2610ab77 SW |
958 | |
959 | rtd->platform = platform; | |
02a06d30 | 960 | } |
b19e6e7b | 961 | if (!rtd->platform) { |
f110bfc7 | 962 | dev_err(card->dev, "ASoC: platform %s not registered\n", |
f0fba2ad | 963 | dai_link->platform_name); |
b19e6e7b | 964 | return -EPROBE_DEFER; |
f0fba2ad | 965 | } |
b19e6e7b MB |
966 | |
967 | card->num_rtd++; | |
968 | ||
969 | return 0; | |
f0fba2ad LG |
970 | } |
971 | ||
d12cd198 SW |
972 | static int soc_remove_platform(struct snd_soc_platform *platform) |
973 | { | |
974 | int ret; | |
975 | ||
976 | if (platform->driver->remove) { | |
977 | ret = platform->driver->remove(platform); | |
978 | if (ret < 0) | |
f110bfc7 LG |
979 | dev_err(platform->dev, "ASoC: failed to remove %d\n", |
980 | ret); | |
d12cd198 SW |
981 | } |
982 | ||
983 | /* Make sure all DAPM widgets are freed */ | |
984 | snd_soc_dapm_free(&platform->dapm); | |
985 | ||
986 | soc_cleanup_platform_debugfs(platform); | |
987 | platform->probed = 0; | |
988 | list_del(&platform->card_list); | |
989 | module_put(platform->dev->driver->owner); | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
589c3563 JN |
994 | static void soc_remove_codec(struct snd_soc_codec *codec) |
995 | { | |
996 | int err; | |
997 | ||
998 | if (codec->driver->remove) { | |
999 | err = codec->driver->remove(codec); | |
1000 | if (err < 0) | |
f110bfc7 | 1001 | dev_err(codec->dev, "ASoC: failed to remove %d\n", err); |
589c3563 JN |
1002 | } |
1003 | ||
1004 | /* Make sure all DAPM widgets are freed */ | |
1005 | snd_soc_dapm_free(&codec->dapm); | |
1006 | ||
1007 | soc_cleanup_codec_debugfs(codec); | |
1008 | codec->probed = 0; | |
1009 | list_del(&codec->card_list); | |
1010 | module_put(codec->dev->driver->owner); | |
1011 | } | |
1012 | ||
b0aa88af | 1013 | static void soc_remove_codec_dai(struct snd_soc_dai *codec_dai, int order) |
f0fba2ad | 1014 | { |
f0fba2ad LG |
1015 | int err; |
1016 | ||
0168bf0d LG |
1017 | if (codec_dai && codec_dai->probed && |
1018 | codec_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1019 | if (codec_dai->driver->remove) { |
1020 | err = codec_dai->driver->remove(codec_dai); | |
1021 | if (err < 0) | |
f110bfc7 LG |
1022 | dev_err(codec_dai->dev, |
1023 | "ASoC: failed to remove %s: %d\n", | |
1024 | codec_dai->name, err); | |
6b05eda6 | 1025 | } |
f0fba2ad LG |
1026 | codec_dai->probed = 0; |
1027 | list_del(&codec_dai->card_list); | |
1028 | } | |
b0aa88af MLC |
1029 | } |
1030 | ||
1031 | static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order) | |
1032 | { | |
1033 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1034 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; | |
1035 | int err; | |
1036 | ||
1037 | /* unregister the rtd device */ | |
1038 | if (rtd->dev_registered) { | |
1039 | device_remove_file(rtd->dev, &dev_attr_pmdown_time); | |
1040 | device_remove_file(rtd->dev, &dev_attr_codec_reg); | |
1041 | device_unregister(rtd->dev); | |
1042 | rtd->dev_registered = 0; | |
1043 | } | |
1044 | ||
1045 | /* remove the CODEC DAI */ | |
1046 | soc_remove_codec_dai(codec_dai, order); | |
6b05eda6 | 1047 | |
f0fba2ad | 1048 | /* remove the cpu_dai */ |
0168bf0d LG |
1049 | if (cpu_dai && cpu_dai->probed && |
1050 | cpu_dai->driver->remove_order == order) { | |
f0fba2ad LG |
1051 | if (cpu_dai->driver->remove) { |
1052 | err = cpu_dai->driver->remove(cpu_dai); | |
1053 | if (err < 0) | |
f110bfc7 LG |
1054 | dev_err(cpu_dai->dev, |
1055 | "ASoC: failed to remove %s: %d\n", | |
1056 | cpu_dai->name, err); | |
db2a4165 | 1057 | } |
f0fba2ad LG |
1058 | cpu_dai->probed = 0; |
1059 | list_del(&cpu_dai->card_list); | |
a9db7dbe | 1060 | |
18d75644 SW |
1061 | if (!cpu_dai->codec) { |
1062 | snd_soc_dapm_free(&cpu_dai->dapm); | |
a9db7dbe | 1063 | module_put(cpu_dai->dev->driver->owner); |
18d75644 | 1064 | } |
db2a4165 | 1065 | } |
f0fba2ad | 1066 | } |
db2a4165 | 1067 | |
62ae68fa SW |
1068 | static void soc_remove_link_components(struct snd_soc_card *card, int num, |
1069 | int order) | |
1070 | { | |
1071 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1072 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1073 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1074 | struct snd_soc_platform *platform = rtd->platform; | |
1075 | struct snd_soc_codec *codec; | |
1076 | ||
1077 | /* remove the platform */ | |
1078 | if (platform && platform->probed && | |
1079 | platform->driver->remove_order == order) { | |
1080 | soc_remove_platform(platform); | |
1081 | } | |
1082 | ||
1083 | /* remove the CODEC-side CODEC */ | |
1084 | if (codec_dai) { | |
1085 | codec = codec_dai->codec; | |
1086 | if (codec && codec->probed && | |
1087 | codec->driver->remove_order == order) | |
1088 | soc_remove_codec(codec); | |
1089 | } | |
1090 | ||
1091 | /* remove any CPU-side CODEC */ | |
1092 | if (cpu_dai) { | |
1093 | codec = cpu_dai->codec; | |
1094 | if (codec && codec->probed && | |
1095 | codec->driver->remove_order == order) | |
1096 | soc_remove_codec(codec); | |
1097 | } | |
1098 | } | |
1099 | ||
0671fd8e KM |
1100 | static void soc_remove_dai_links(struct snd_soc_card *card) |
1101 | { | |
0168bf0d | 1102 | int dai, order; |
0671fd8e | 1103 | |
0168bf0d LG |
1104 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1105 | order++) { | |
1106 | for (dai = 0; dai < card->num_rtd; dai++) | |
62ae68fa SW |
1107 | soc_remove_link_dais(card, dai, order); |
1108 | } | |
1109 | ||
1110 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1111 | order++) { | |
1112 | for (dai = 0; dai < card->num_rtd; dai++) | |
1113 | soc_remove_link_components(card, dai, order); | |
0168bf0d | 1114 | } |
62ae68fa | 1115 | |
0671fd8e KM |
1116 | card->num_rtd = 0; |
1117 | } | |
1118 | ||
ead9b919 JN |
1119 | static void soc_set_name_prefix(struct snd_soc_card *card, |
1120 | struct snd_soc_codec *codec) | |
1121 | { | |
1122 | int i; | |
1123 | ||
ff819b83 | 1124 | if (card->codec_conf == NULL) |
ead9b919 JN |
1125 | return; |
1126 | ||
ff819b83 DP |
1127 | for (i = 0; i < card->num_configs; i++) { |
1128 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; | |
ead9b919 JN |
1129 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
1130 | codec->name_prefix = map->name_prefix; | |
1131 | break; | |
1132 | } | |
1133 | } | |
1134 | } | |
1135 | ||
589c3563 JN |
1136 | static int soc_probe_codec(struct snd_soc_card *card, |
1137 | struct snd_soc_codec *codec) | |
1138 | { | |
1139 | int ret = 0; | |
89b95ac0 | 1140 | const struct snd_soc_codec_driver *driver = codec->driver; |
888df395 | 1141 | struct snd_soc_dai *dai; |
589c3563 JN |
1142 | |
1143 | codec->card = card; | |
1144 | codec->dapm.card = card; | |
1145 | soc_set_name_prefix(card, codec); | |
1146 | ||
70d29331 JN |
1147 | if (!try_module_get(codec->dev->driver->owner)) |
1148 | return -ENODEV; | |
1149 | ||
d5d1e0be LPC |
1150 | soc_init_codec_debugfs(codec); |
1151 | ||
77530150 LPC |
1152 | if (driver->dapm_widgets) |
1153 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, | |
1154 | driver->num_dapm_widgets); | |
1155 | ||
888df395 | 1156 | /* Create DAPM widgets for each DAI stream */ |
1438c2f6 | 1157 | list_for_each_entry(dai, &codec->component.dai_list, list) |
888df395 | 1158 | snd_soc_dapm_new_dai_widgets(&codec->dapm, dai); |
888df395 | 1159 | |
33c5f969 MB |
1160 | codec->dapm.idle_bias_off = driver->idle_bias_off; |
1161 | ||
a32c17b8 XL |
1162 | if (!codec->write && dev_get_regmap(codec->dev, NULL)) { |
1163 | /* Set the default I/O up try regmap */ | |
1164 | ret = snd_soc_codec_set_cache_io(codec, NULL); | |
1165 | if (ret < 0) { | |
1166 | dev_err(codec->dev, | |
1167 | "Failed to set cache I/O: %d\n", ret); | |
1168 | goto err_probe; | |
1169 | } | |
1170 | } | |
fe2265e4 | 1171 | |
89b95ac0 MB |
1172 | if (driver->probe) { |
1173 | ret = driver->probe(codec); | |
589c3563 JN |
1174 | if (ret < 0) { |
1175 | dev_err(codec->dev, | |
f110bfc7 | 1176 | "ASoC: failed to probe CODEC %d\n", ret); |
70d29331 | 1177 | goto err_probe; |
589c3563 | 1178 | } |
ff541f4b CL |
1179 | WARN(codec->dapm.idle_bias_off && |
1180 | codec->dapm.bias_level != SND_SOC_BIAS_OFF, | |
10e8aa9a MM |
1181 | "codec %s can not start from non-off bias with idle_bias_off==1\n", |
1182 | codec->name); | |
589c3563 JN |
1183 | } |
1184 | ||
b7af1daf | 1185 | if (driver->controls) |
022658be | 1186 | snd_soc_add_codec_controls(codec, driver->controls, |
b7af1daf | 1187 | driver->num_controls); |
89b95ac0 MB |
1188 | if (driver->dapm_routes) |
1189 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, | |
1190 | driver->num_dapm_routes); | |
1191 | ||
589c3563 JN |
1192 | /* mark codec as probed and add to card codec list */ |
1193 | codec->probed = 1; | |
1194 | list_add(&codec->card_list, &card->codec_dev_list); | |
7be31be8 | 1195 | list_add(&codec->dapm.list, &card->dapm_list); |
589c3563 | 1196 | |
70d29331 JN |
1197 | return 0; |
1198 | ||
1199 | err_probe: | |
d5d1e0be | 1200 | soc_cleanup_codec_debugfs(codec); |
70d29331 JN |
1201 | module_put(codec->dev->driver->owner); |
1202 | ||
589c3563 JN |
1203 | return ret; |
1204 | } | |
1205 | ||
956245e9 LG |
1206 | static int soc_probe_platform(struct snd_soc_card *card, |
1207 | struct snd_soc_platform *platform) | |
1208 | { | |
1209 | int ret = 0; | |
1210 | const struct snd_soc_platform_driver *driver = platform->driver; | |
1438c2f6 | 1211 | struct snd_soc_component *component; |
be09ad90 | 1212 | struct snd_soc_dai *dai; |
956245e9 LG |
1213 | |
1214 | platform->card = card; | |
b7950641 | 1215 | platform->dapm.card = card; |
956245e9 LG |
1216 | |
1217 | if (!try_module_get(platform->dev->driver->owner)) | |
1218 | return -ENODEV; | |
1219 | ||
731f1ab2 SG |
1220 | soc_init_platform_debugfs(platform); |
1221 | ||
cb2cf612 LG |
1222 | if (driver->dapm_widgets) |
1223 | snd_soc_dapm_new_controls(&platform->dapm, | |
1224 | driver->dapm_widgets, driver->num_dapm_widgets); | |
1225 | ||
be09ad90 | 1226 | /* Create DAPM widgets for each DAI stream */ |
1438c2f6 LPC |
1227 | list_for_each_entry(component, &component_list, list) { |
1228 | if (component->dev != platform->dev) | |
be09ad90 | 1229 | continue; |
1438c2f6 LPC |
1230 | list_for_each_entry(dai, &component->dai_list, list) |
1231 | snd_soc_dapm_new_dai_widgets(&platform->dapm, dai); | |
be09ad90 LG |
1232 | } |
1233 | ||
3fec6b6d SW |
1234 | platform->dapm.idle_bias_off = 1; |
1235 | ||
956245e9 LG |
1236 | if (driver->probe) { |
1237 | ret = driver->probe(platform); | |
1238 | if (ret < 0) { | |
1239 | dev_err(platform->dev, | |
f110bfc7 | 1240 | "ASoC: failed to probe platform %d\n", ret); |
956245e9 LG |
1241 | goto err_probe; |
1242 | } | |
1243 | } | |
1244 | ||
cb2cf612 LG |
1245 | if (driver->controls) |
1246 | snd_soc_add_platform_controls(platform, driver->controls, | |
1247 | driver->num_controls); | |
1248 | if (driver->dapm_routes) | |
1249 | snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes, | |
1250 | driver->num_dapm_routes); | |
1251 | ||
956245e9 LG |
1252 | /* mark platform as probed and add to card platform list */ |
1253 | platform->probed = 1; | |
1254 | list_add(&platform->card_list, &card->platform_dev_list); | |
b7950641 | 1255 | list_add(&platform->dapm.list, &card->dapm_list); |
956245e9 LG |
1256 | |
1257 | return 0; | |
1258 | ||
1259 | err_probe: | |
02db1103 | 1260 | soc_cleanup_platform_debugfs(platform); |
956245e9 LG |
1261 | module_put(platform->dev->driver->owner); |
1262 | ||
1263 | return ret; | |
1264 | } | |
1265 | ||
36ae1a96 MB |
1266 | static void rtd_release(struct device *dev) |
1267 | { | |
1268 | kfree(dev); | |
1269 | } | |
f0fba2ad | 1270 | |
589c3563 JN |
1271 | static int soc_post_component_init(struct snd_soc_card *card, |
1272 | struct snd_soc_codec *codec, | |
1273 | int num, int dailess) | |
1274 | { | |
1275 | struct snd_soc_dai_link *dai_link = NULL; | |
1276 | struct snd_soc_aux_dev *aux_dev = NULL; | |
1277 | struct snd_soc_pcm_runtime *rtd; | |
6479f15a | 1278 | const char *name; |
589c3563 JN |
1279 | int ret = 0; |
1280 | ||
1281 | if (!dailess) { | |
1282 | dai_link = &card->dai_link[num]; | |
1283 | rtd = &card->rtd[num]; | |
1284 | name = dai_link->name; | |
1285 | } else { | |
1286 | aux_dev = &card->aux_dev[num]; | |
1287 | rtd = &card->rtd_aux[num]; | |
1288 | name = aux_dev->name; | |
1289 | } | |
0962bb21 | 1290 | rtd->card = card; |
589c3563 | 1291 | |
589c3563 JN |
1292 | /* do machine specific initialization */ |
1293 | if (!dailess && dai_link->init) | |
1294 | ret = dai_link->init(rtd); | |
1295 | else if (dailess && aux_dev->init) | |
1296 | ret = aux_dev->init(&codec->dapm); | |
1297 | if (ret < 0) { | |
f110bfc7 | 1298 | dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret); |
589c3563 JN |
1299 | return ret; |
1300 | } | |
589c3563 | 1301 | |
589c3563 JN |
1302 | /* register the rtd device */ |
1303 | rtd->codec = codec; | |
36ae1a96 MB |
1304 | |
1305 | rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL); | |
1306 | if (!rtd->dev) | |
1307 | return -ENOMEM; | |
1308 | device_initialize(rtd->dev); | |
1309 | rtd->dev->parent = card->dev; | |
1310 | rtd->dev->release = rtd_release; | |
1311 | rtd->dev->init_name = name; | |
1312 | dev_set_drvdata(rtd->dev, rtd); | |
b8c0dab9 | 1313 | mutex_init(&rtd->pcm_mutex); |
01d7584c LG |
1314 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients); |
1315 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients); | |
1316 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients); | |
1317 | INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients); | |
36ae1a96 | 1318 | ret = device_add(rtd->dev); |
589c3563 | 1319 | if (ret < 0) { |
865df9cb CL |
1320 | /* calling put_device() here to free the rtd->dev */ |
1321 | put_device(rtd->dev); | |
589c3563 | 1322 | dev_err(card->dev, |
f110bfc7 | 1323 | "ASoC: failed to register runtime device: %d\n", ret); |
589c3563 JN |
1324 | return ret; |
1325 | } | |
1326 | rtd->dev_registered = 1; | |
1327 | ||
1328 | /* add DAPM sysfs entries for this codec */ | |
36ae1a96 | 1329 | ret = snd_soc_dapm_sys_add(rtd->dev); |
589c3563 JN |
1330 | if (ret < 0) |
1331 | dev_err(codec->dev, | |
f110bfc7 | 1332 | "ASoC: failed to add codec dapm sysfs entries: %d\n", ret); |
589c3563 JN |
1333 | |
1334 | /* add codec sysfs entries */ | |
36ae1a96 | 1335 | ret = device_create_file(rtd->dev, &dev_attr_codec_reg); |
589c3563 JN |
1336 | if (ret < 0) |
1337 | dev_err(codec->dev, | |
f110bfc7 | 1338 | "ASoC: failed to add codec sysfs files: %d\n", ret); |
589c3563 | 1339 | |
f86dcef8 LG |
1340 | #ifdef CONFIG_DEBUG_FS |
1341 | /* add DPCM sysfs entries */ | |
cd0f8911 | 1342 | if (!dailess && !dai_link->dynamic) |
f86dcef8 LG |
1343 | goto out; |
1344 | ||
1345 | ret = soc_dpcm_debugfs_add(rtd); | |
1346 | if (ret < 0) | |
f110bfc7 | 1347 | dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret); |
f86dcef8 LG |
1348 | |
1349 | out: | |
1350 | #endif | |
589c3563 JN |
1351 | return 0; |
1352 | } | |
1353 | ||
62ae68fa SW |
1354 | static int soc_probe_link_components(struct snd_soc_card *card, int num, |
1355 | int order) | |
1356 | { | |
1357 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1358 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
1359 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
1360 | struct snd_soc_platform *platform = rtd->platform; | |
1361 | int ret; | |
1362 | ||
1363 | /* probe the CPU-side component, if it is a CODEC */ | |
1364 | if (cpu_dai->codec && | |
1365 | !cpu_dai->codec->probed && | |
1366 | cpu_dai->codec->driver->probe_order == order) { | |
1367 | ret = soc_probe_codec(card, cpu_dai->codec); | |
1368 | if (ret < 0) | |
1369 | return ret; | |
1370 | } | |
1371 | ||
1372 | /* probe the CODEC-side component */ | |
1373 | if (!codec_dai->codec->probed && | |
1374 | codec_dai->codec->driver->probe_order == order) { | |
1375 | ret = soc_probe_codec(card, codec_dai->codec); | |
1376 | if (ret < 0) | |
1377 | return ret; | |
1378 | } | |
1379 | ||
1380 | /* probe the platform */ | |
1381 | if (!platform->probed && | |
1382 | platform->driver->probe_order == order) { | |
1383 | ret = soc_probe_platform(card, platform); | |
1384 | if (ret < 0) | |
1385 | return ret; | |
1386 | } | |
1387 | ||
1388 | return 0; | |
1389 | } | |
1390 | ||
b0aa88af MLC |
1391 | static int soc_probe_codec_dai(struct snd_soc_card *card, |
1392 | struct snd_soc_dai *codec_dai, | |
1393 | int order) | |
1394 | { | |
1395 | int ret; | |
1396 | ||
1397 | if (!codec_dai->probed && codec_dai->driver->probe_order == order) { | |
1398 | if (codec_dai->driver->probe) { | |
1399 | ret = codec_dai->driver->probe(codec_dai); | |
1400 | if (ret < 0) { | |
1401 | dev_err(codec_dai->dev, | |
1402 | "ASoC: failed to probe CODEC DAI %s: %d\n", | |
1403 | codec_dai->name, ret); | |
1404 | return ret; | |
1405 | } | |
1406 | } | |
1407 | ||
1408 | /* mark codec_dai as probed and add to card dai list */ | |
1409 | codec_dai->probed = 1; | |
1410 | list_add(&codec_dai->card_list, &card->dai_dev_list); | |
1411 | } | |
1412 | ||
1413 | return 0; | |
1414 | } | |
1415 | ||
2436a723 MLC |
1416 | static int soc_link_dai_widgets(struct snd_soc_card *card, |
1417 | struct snd_soc_dai_link *dai_link, | |
1418 | struct snd_soc_dai *cpu_dai, | |
1419 | struct snd_soc_dai *codec_dai) | |
1420 | { | |
1421 | struct snd_soc_dapm_widget *play_w, *capture_w; | |
1422 | int ret; | |
1423 | ||
1424 | /* link the DAI widgets */ | |
1425 | play_w = codec_dai->playback_widget; | |
1426 | capture_w = cpu_dai->capture_widget; | |
1427 | if (play_w && capture_w) { | |
1428 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1429 | capture_w, play_w); | |
1430 | if (ret != 0) { | |
1431 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1432 | play_w->name, capture_w->name, ret); | |
1433 | return ret; | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | play_w = cpu_dai->playback_widget; | |
1438 | capture_w = codec_dai->capture_widget; | |
1439 | if (play_w && capture_w) { | |
1440 | ret = snd_soc_dapm_new_pcm(card, dai_link->params, | |
1441 | capture_w, play_w); | |
1442 | if (ret != 0) { | |
1443 | dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n", | |
1444 | play_w->name, capture_w->name, ret); | |
1445 | return ret; | |
1446 | } | |
1447 | } | |
1448 | ||
1449 | return 0; | |
1450 | } | |
1451 | ||
62ae68fa | 1452 | static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) |
f0fba2ad LG |
1453 | { |
1454 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; | |
1455 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; | |
1456 | struct snd_soc_codec *codec = rtd->codec; | |
1457 | struct snd_soc_platform *platform = rtd->platform; | |
c74184ed MB |
1458 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
1459 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
f0fba2ad LG |
1460 | int ret; |
1461 | ||
f110bfc7 | 1462 | dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n", |
0168bf0d | 1463 | card->name, num, order); |
f0fba2ad LG |
1464 | |
1465 | /* config components */ | |
f0fba2ad | 1466 | cpu_dai->platform = platform; |
f0fba2ad LG |
1467 | codec_dai->card = card; |
1468 | cpu_dai->card = card; | |
1469 | ||
1470 | /* set default power off timeout */ | |
1471 | rtd->pmdown_time = pmdown_time; | |
1472 | ||
1473 | /* probe the cpu_dai */ | |
0168bf0d LG |
1474 | if (!cpu_dai->probed && |
1475 | cpu_dai->driver->probe_order == order) { | |
a9db7dbe SW |
1476 | if (!cpu_dai->codec) { |
1477 | cpu_dai->dapm.card = card; | |
1478 | if (!try_module_get(cpu_dai->dev->driver->owner)) | |
1479 | return -ENODEV; | |
61b61e3c | 1480 | |
18d75644 | 1481 | list_add(&cpu_dai->dapm.list, &card->dapm_list); |
a9db7dbe | 1482 | } |
be09ad90 | 1483 | |
f0fba2ad LG |
1484 | if (cpu_dai->driver->probe) { |
1485 | ret = cpu_dai->driver->probe(cpu_dai); | |
1486 | if (ret < 0) { | |
f110bfc7 LG |
1487 | dev_err(cpu_dai->dev, |
1488 | "ASoC: failed to probe CPU DAI %s: %d\n", | |
1489 | cpu_dai->name, ret); | |
61b61e3c | 1490 | module_put(cpu_dai->dev->driver->owner); |
f0fba2ad LG |
1491 | return ret; |
1492 | } | |
1493 | } | |
1494 | cpu_dai->probed = 1; | |
1c8371d6 | 1495 | /* mark cpu_dai as probed and add to card dai list */ |
f0fba2ad | 1496 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
db2a4165 FM |
1497 | } |
1498 | ||
f0fba2ad | 1499 | /* probe the CODEC DAI */ |
b0aa88af MLC |
1500 | ret = soc_probe_codec_dai(card, codec_dai, order); |
1501 | if (ret) | |
1502 | return ret; | |
fe3e78e0 | 1503 | |
0168bf0d LG |
1504 | /* complete DAI probe during last probe */ |
1505 | if (order != SND_SOC_COMP_ORDER_LAST) | |
1506 | return 0; | |
1507 | ||
589c3563 JN |
1508 | ret = soc_post_component_init(card, codec, num, 0); |
1509 | if (ret) | |
f0fba2ad | 1510 | return ret; |
fe3e78e0 | 1511 | |
36ae1a96 | 1512 | ret = device_create_file(rtd->dev, &dev_attr_pmdown_time); |
f0fba2ad | 1513 | if (ret < 0) |
f110bfc7 LG |
1514 | dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n", |
1515 | ret); | |
f0fba2ad | 1516 | |
1245b700 NK |
1517 | if (cpu_dai->driver->compress_dai) { |
1518 | /*create compress_device"*/ | |
1519 | ret = soc_new_compress(rtd, num); | |
c74184ed | 1520 | if (ret < 0) { |
f110bfc7 | 1521 | dev_err(card->dev, "ASoC: can't create compress %s\n", |
1245b700 | 1522 | dai_link->stream_name); |
c74184ed MB |
1523 | return ret; |
1524 | } | |
1525 | } else { | |
1245b700 NK |
1526 | |
1527 | if (!dai_link->params) { | |
1528 | /* create the pcm */ | |
1529 | ret = soc_new_pcm(rtd, num); | |
1530 | if (ret < 0) { | |
f110bfc7 | 1531 | dev_err(card->dev, "ASoC: can't create pcm %s :%d\n", |
1245b700 | 1532 | dai_link->stream_name, ret); |
c74184ed MB |
1533 | return ret; |
1534 | } | |
1245b700 | 1535 | } else { |
9d58a077 RF |
1536 | INIT_DELAYED_WORK(&rtd->delayed_work, |
1537 | codec2codec_close_delayed_work); | |
1538 | ||
1245b700 | 1539 | /* link the DAI widgets */ |
2436a723 MLC |
1540 | ret = soc_link_dai_widgets(card, dai_link, |
1541 | cpu_dai, codec_dai); | |
1542 | if (ret) | |
1543 | return ret; | |
c74184ed | 1544 | } |
f0fba2ad LG |
1545 | } |
1546 | ||
1547 | /* add platform data for AC97 devices */ | |
1548 | if (rtd->codec_dai->driver->ac97_control) | |
1549 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); | |
1550 | ||
1551 | return 0; | |
1552 | } | |
1553 | ||
fe3e78e0 | 1554 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 MLC |
1555 | static int soc_register_ac97_codec(struct snd_soc_codec *codec, |
1556 | struct snd_soc_dai *codec_dai) | |
f0fba2ad LG |
1557 | { |
1558 | int ret; | |
1559 | ||
fe3e78e0 MB |
1560 | /* Only instantiate AC97 if not already done by the adaptor |
1561 | * for the generic AC97 subsystem. | |
1562 | */ | |
02c9c7b9 | 1563 | if (codec_dai->driver->ac97_control && !codec->ac97_registered) { |
0562f788 MW |
1564 | /* |
1565 | * It is possible that the AC97 device is already registered to | |
1566 | * the device subsystem. This happens when the device is created | |
1567 | * via snd_ac97_mixer(). Currently only SoC codec that does so | |
1568 | * is the generic AC97 glue but others migh emerge. | |
1569 | * | |
1570 | * In those cases we don't try to register the device again. | |
1571 | */ | |
02c9c7b9 | 1572 | if (!codec->ac97_created) |
0562f788 | 1573 | return 0; |
f0fba2ad | 1574 | |
02c9c7b9 | 1575 | ret = soc_ac97_dev_register(codec); |
fe3e78e0 | 1576 | if (ret < 0) { |
02c9c7b9 | 1577 | dev_err(codec->dev, |
f110bfc7 | 1578 | "ASoC: AC97 device register failed: %d\n", ret); |
f0fba2ad | 1579 | return ret; |
fe3e78e0 | 1580 | } |
f0fba2ad | 1581 | |
02c9c7b9 | 1582 | codec->ac97_registered = 1; |
fe3e78e0 | 1583 | } |
f0fba2ad LG |
1584 | return 0; |
1585 | } | |
1586 | ||
02c9c7b9 MLC |
1587 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
1588 | { | |
1589 | return soc_register_ac97_codec(rtd->codec, rtd->codec_dai); | |
1590 | } | |
1591 | ||
1592 | static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) | |
f0fba2ad LG |
1593 | { |
1594 | if (codec->ac97_registered) { | |
1595 | soc_ac97_dev_unregister(codec); | |
1596 | codec->ac97_registered = 0; | |
1597 | } | |
1598 | } | |
02c9c7b9 MLC |
1599 | |
1600 | static void soc_unregister_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) | |
1601 | { | |
1602 | soc_unregister_ac97_codec(rtd->codec); | |
1603 | } | |
fe3e78e0 MB |
1604 | #endif |
1605 | ||
b19e6e7b MB |
1606 | static int soc_check_aux_dev(struct snd_soc_card *card, int num) |
1607 | { | |
1608 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
1609 | struct snd_soc_codec *codec; | |
1610 | ||
1611 | /* find CODEC from registered CODECs*/ | |
1612 | list_for_each_entry(codec, &codec_list, list) { | |
1613 | if (!strcmp(codec->name, aux_dev->codec_name)) | |
1614 | return 0; | |
1615 | } | |
1616 | ||
f110bfc7 | 1617 | dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name); |
fb099cb7 | 1618 | |
b19e6e7b MB |
1619 | return -EPROBE_DEFER; |
1620 | } | |
1621 | ||
2eea392d JN |
1622 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
1623 | { | |
1624 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; | |
2eea392d | 1625 | struct snd_soc_codec *codec; |
676ad98a | 1626 | int ret = -ENODEV; |
2eea392d JN |
1627 | |
1628 | /* find CODEC from registered CODECs*/ | |
1629 | list_for_each_entry(codec, &codec_list, list) { | |
1630 | if (!strcmp(codec->name, aux_dev->codec_name)) { | |
1631 | if (codec->probed) { | |
1632 | dev_err(codec->dev, | |
f110bfc7 | 1633 | "ASoC: codec already probed"); |
2eea392d JN |
1634 | ret = -EBUSY; |
1635 | goto out; | |
1636 | } | |
676ad98a | 1637 | goto found; |
2eea392d JN |
1638 | } |
1639 | } | |
676ad98a | 1640 | /* codec not found */ |
f110bfc7 | 1641 | dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name); |
b19e6e7b | 1642 | return -EPROBE_DEFER; |
2eea392d | 1643 | |
676ad98a | 1644 | found: |
589c3563 | 1645 | ret = soc_probe_codec(card, codec); |
2eea392d | 1646 | if (ret < 0) |
589c3563 | 1647 | return ret; |
2eea392d | 1648 | |
589c3563 | 1649 | ret = soc_post_component_init(card, codec, num, 1); |
2eea392d JN |
1650 | |
1651 | out: | |
1652 | return ret; | |
1653 | } | |
1654 | ||
1655 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) | |
1656 | { | |
1657 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; | |
1658 | struct snd_soc_codec *codec = rtd->codec; | |
2eea392d JN |
1659 | |
1660 | /* unregister the rtd device */ | |
1661 | if (rtd->dev_registered) { | |
36ae1a96 | 1662 | device_remove_file(rtd->dev, &dev_attr_codec_reg); |
d3bf1561 | 1663 | device_unregister(rtd->dev); |
2eea392d JN |
1664 | rtd->dev_registered = 0; |
1665 | } | |
1666 | ||
589c3563 JN |
1667 | if (codec && codec->probed) |
1668 | soc_remove_codec(codec); | |
2eea392d JN |
1669 | } |
1670 | ||
f90fb3f7 | 1671 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec) |
fdf0f54d DP |
1672 | { |
1673 | int ret; | |
1674 | ||
1675 | if (codec->cache_init) | |
1676 | return 0; | |
1677 | ||
fdf0f54d DP |
1678 | ret = snd_soc_cache_init(codec); |
1679 | if (ret < 0) { | |
10e8aa9a MM |
1680 | dev_err(codec->dev, |
1681 | "ASoC: Failed to set cache compression type: %d\n", | |
1682 | ret); | |
fdf0f54d DP |
1683 | return ret; |
1684 | } | |
1685 | codec->cache_init = 1; | |
1686 | return 0; | |
1687 | } | |
1688 | ||
b19e6e7b | 1689 | static int snd_soc_instantiate_card(struct snd_soc_card *card) |
f0fba2ad | 1690 | { |
fdf0f54d | 1691 | struct snd_soc_codec *codec; |
75d9ac46 | 1692 | struct snd_soc_dai_link *dai_link; |
f04209a7 | 1693 | int ret, i, order, dai_fmt; |
fe3e78e0 | 1694 | |
01b9d99a | 1695 | mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT); |
dbe21408 | 1696 | |
f0fba2ad | 1697 | /* bind DAIs */ |
b19e6e7b MB |
1698 | for (i = 0; i < card->num_links; i++) { |
1699 | ret = soc_bind_dai_link(card, i); | |
1700 | if (ret != 0) | |
1701 | goto base_error; | |
1702 | } | |
fe3e78e0 | 1703 | |
b19e6e7b MB |
1704 | /* check aux_devs too */ |
1705 | for (i = 0; i < card->num_aux_devs; i++) { | |
1706 | ret = soc_check_aux_dev(card, i); | |
1707 | if (ret != 0) | |
1708 | goto base_error; | |
f0fba2ad | 1709 | } |
435c5e25 | 1710 | |
fdf0f54d DP |
1711 | /* initialize the register cache for each available codec */ |
1712 | list_for_each_entry(codec, &codec_list, list) { | |
1713 | if (codec->cache_init) | |
1714 | continue; | |
f90fb3f7 | 1715 | ret = snd_soc_init_codec_cache(codec); |
b19e6e7b MB |
1716 | if (ret < 0) |
1717 | goto base_error; | |
fdf0f54d DP |
1718 | } |
1719 | ||
f0fba2ad | 1720 | /* card bind complete so register a sound card */ |
102b5a8d | 1721 | ret = snd_card_new(card->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
f0fba2ad LG |
1722 | card->owner, 0, &card->snd_card); |
1723 | if (ret < 0) { | |
10e8aa9a MM |
1724 | dev_err(card->dev, |
1725 | "ASoC: can't create sound card for card %s: %d\n", | |
1726 | card->name, ret); | |
b19e6e7b | 1727 | goto base_error; |
f0fba2ad | 1728 | } |
f0fba2ad | 1729 | |
e37a4970 MB |
1730 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
1731 | card->dapm.dev = card->dev; | |
1732 | card->dapm.card = card; | |
1733 | list_add(&card->dapm.list, &card->dapm_list); | |
1734 | ||
d5d1e0be LPC |
1735 | #ifdef CONFIG_DEBUG_FS |
1736 | snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root); | |
1737 | #endif | |
1738 | ||
88ee1c61 | 1739 | #ifdef CONFIG_PM_SLEEP |
f0fba2ad LG |
1740 | /* deferred resume work */ |
1741 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); | |
1742 | #endif | |
db2a4165 | 1743 | |
9a841ebb MB |
1744 | if (card->dapm_widgets) |
1745 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, | |
1746 | card->num_dapm_widgets); | |
1747 | ||
f0fba2ad LG |
1748 | /* initialise the sound card only once */ |
1749 | if (card->probe) { | |
e7361ec4 | 1750 | ret = card->probe(card); |
f0fba2ad LG |
1751 | if (ret < 0) |
1752 | goto card_probe_error; | |
1753 | } | |
fe3e78e0 | 1754 | |
62ae68fa | 1755 | /* probe all components used by DAI links on this card */ |
0168bf0d LG |
1756 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; |
1757 | order++) { | |
1758 | for (i = 0; i < card->num_links; i++) { | |
62ae68fa | 1759 | ret = soc_probe_link_components(card, i, order); |
0168bf0d | 1760 | if (ret < 0) { |
f110bfc7 LG |
1761 | dev_err(card->dev, |
1762 | "ASoC: failed to instantiate card %d\n", | |
1763 | ret); | |
62ae68fa SW |
1764 | goto probe_dai_err; |
1765 | } | |
1766 | } | |
1767 | } | |
1768 | ||
1769 | /* probe all DAI links on this card */ | |
1770 | for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST; | |
1771 | order++) { | |
1772 | for (i = 0; i < card->num_links; i++) { | |
1773 | ret = soc_probe_link_dais(card, i, order); | |
1774 | if (ret < 0) { | |
f110bfc7 LG |
1775 | dev_err(card->dev, |
1776 | "ASoC: failed to instantiate card %d\n", | |
1777 | ret); | |
0168bf0d LG |
1778 | goto probe_dai_err; |
1779 | } | |
f0fba2ad LG |
1780 | } |
1781 | } | |
db2a4165 | 1782 | |
2eea392d JN |
1783 | for (i = 0; i < card->num_aux_devs; i++) { |
1784 | ret = soc_probe_aux_dev(card, i); | |
1785 | if (ret < 0) { | |
f110bfc7 LG |
1786 | dev_err(card->dev, |
1787 | "ASoC: failed to add auxiliary devices %d\n", | |
1788 | ret); | |
2eea392d JN |
1789 | goto probe_aux_dev_err; |
1790 | } | |
1791 | } | |
1792 | ||
888df395 | 1793 | snd_soc_dapm_link_dai_widgets(card); |
b893ea5f | 1794 | snd_soc_dapm_connect_dai_link_widgets(card); |
888df395 | 1795 | |
b7af1daf | 1796 | if (card->controls) |
022658be | 1797 | snd_soc_add_card_controls(card, card->controls, card->num_controls); |
b7af1daf | 1798 | |
b8ad29de MB |
1799 | if (card->dapm_routes) |
1800 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, | |
1801 | card->num_dapm_routes); | |
1802 | ||
75d9ac46 MB |
1803 | for (i = 0; i < card->num_links; i++) { |
1804 | dai_link = &card->dai_link[i]; | |
f04209a7 | 1805 | dai_fmt = dai_link->dai_fmt; |
75d9ac46 | 1806 | |
f04209a7 | 1807 | if (dai_fmt) { |
75d9ac46 | 1808 | ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai, |
f04209a7 | 1809 | dai_fmt); |
5e4ba569 | 1810 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1811 | dev_warn(card->rtd[i].codec_dai->dev, |
f110bfc7 | 1812 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 | 1813 | ret); |
f04209a7 MB |
1814 | } |
1815 | ||
1816 | /* If this is a regular CPU link there will be a platform */ | |
fe33d4c5 SW |
1817 | if (dai_fmt && |
1818 | (dai_link->platform_name || dai_link->platform_of_node)) { | |
f04209a7 MB |
1819 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, |
1820 | dai_fmt); | |
1821 | if (ret != 0 && ret != -ENOTSUPP) | |
1822 | dev_warn(card->rtd[i].cpu_dai->dev, | |
f110bfc7 | 1823 | "ASoC: Failed to set DAI format: %d\n", |
f04209a7 MB |
1824 | ret); |
1825 | } else if (dai_fmt) { | |
1826 | /* Flip the polarity for the "CPU" end */ | |
1827 | dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK; | |
1828 | switch (dai_link->dai_fmt & | |
1829 | SND_SOC_DAIFMT_MASTER_MASK) { | |
1830 | case SND_SOC_DAIFMT_CBM_CFM: | |
1831 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; | |
1832 | break; | |
1833 | case SND_SOC_DAIFMT_CBM_CFS: | |
1834 | dai_fmt |= SND_SOC_DAIFMT_CBS_CFM; | |
1835 | break; | |
1836 | case SND_SOC_DAIFMT_CBS_CFM: | |
1837 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFS; | |
1838 | break; | |
1839 | case SND_SOC_DAIFMT_CBS_CFS: | |
1840 | dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; | |
1841 | break; | |
1842 | } | |
75d9ac46 MB |
1843 | |
1844 | ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai, | |
f04209a7 | 1845 | dai_fmt); |
5e4ba569 | 1846 | if (ret != 0 && ret != -ENOTSUPP) |
75d9ac46 | 1847 | dev_warn(card->rtd[i].cpu_dai->dev, |
f110bfc7 | 1848 | "ASoC: Failed to set DAI format: %d\n", |
75d9ac46 MB |
1849 | ret); |
1850 | } | |
1851 | } | |
1852 | ||
f0fba2ad | 1853 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
f0fba2ad | 1854 | "%s", card->name); |
22de71ba LG |
1855 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
1856 | "%s", card->long_name ? card->long_name : card->name); | |
f0e8ed85 MB |
1857 | snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), |
1858 | "%s", card->driver_name ? card->driver_name : card->name); | |
1859 | for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { | |
1860 | switch (card->snd_card->driver[i]) { | |
1861 | case '_': | |
1862 | case '-': | |
1863 | case '\0': | |
1864 | break; | |
1865 | default: | |
1866 | if (!isalnum(card->snd_card->driver[i])) | |
1867 | card->snd_card->driver[i] = '_'; | |
1868 | break; | |
1869 | } | |
1870 | } | |
f0fba2ad | 1871 | |
28e9ad92 MB |
1872 | if (card->late_probe) { |
1873 | ret = card->late_probe(card); | |
1874 | if (ret < 0) { | |
f110bfc7 | 1875 | dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n", |
28e9ad92 MB |
1876 | card->name, ret); |
1877 | goto probe_aux_dev_err; | |
1878 | } | |
1879 | } | |
1880 | ||
1633281b | 1881 | if (card->fully_routed) |
b05d8dc1 | 1882 | list_for_each_entry(codec, &card->codec_dev_list, card_list) |
1633281b SW |
1883 | snd_soc_dapm_auto_nc_codec_pins(codec); |
1884 | ||
824ef826 | 1885 | snd_soc_dapm_new_widgets(card); |
8c193b8d | 1886 | |
f0fba2ad LG |
1887 | ret = snd_card_register(card->snd_card); |
1888 | if (ret < 0) { | |
f110bfc7 LG |
1889 | dev_err(card->dev, "ASoC: failed to register soundcard %d\n", |
1890 | ret); | |
6b3ed785 | 1891 | goto probe_aux_dev_err; |
db2a4165 FM |
1892 | } |
1893 | ||
f0fba2ad LG |
1894 | #ifdef CONFIG_SND_SOC_AC97_BUS |
1895 | /* register any AC97 codecs */ | |
1896 | for (i = 0; i < card->num_rtd; i++) { | |
6b3ed785 AL |
1897 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
1898 | if (ret < 0) { | |
10e8aa9a MM |
1899 | dev_err(card->dev, |
1900 | "ASoC: failed to register AC97: %d\n", ret); | |
6b3ed785 | 1901 | while (--i >= 0) |
02c9c7b9 | 1902 | soc_unregister_ac97_dai_link(&card->rtd[i]); |
6b3ed785 | 1903 | goto probe_aux_dev_err; |
f0fba2ad | 1904 | } |
6b3ed785 | 1905 | } |
f0fba2ad LG |
1906 | #endif |
1907 | ||
1908 | card->instantiated = 1; | |
4f4c0072 | 1909 | snd_soc_dapm_sync(&card->dapm); |
f0fba2ad | 1910 | mutex_unlock(&card->mutex); |
b19e6e7b MB |
1911 | |
1912 | return 0; | |
f0fba2ad | 1913 | |
2eea392d JN |
1914 | probe_aux_dev_err: |
1915 | for (i = 0; i < card->num_aux_devs; i++) | |
1916 | soc_remove_aux_dev(card, i); | |
1917 | ||
f0fba2ad | 1918 | probe_dai_err: |
0671fd8e | 1919 | soc_remove_dai_links(card); |
f0fba2ad LG |
1920 | |
1921 | card_probe_error: | |
87506549 | 1922 | if (card->remove) |
e7361ec4 | 1923 | card->remove(card); |
f0fba2ad LG |
1924 | |
1925 | snd_card_free(card->snd_card); | |
1926 | ||
b19e6e7b | 1927 | base_error: |
f0fba2ad | 1928 | mutex_unlock(&card->mutex); |
db2a4165 | 1929 | |
b19e6e7b | 1930 | return ret; |
435c5e25 MB |
1931 | } |
1932 | ||
1933 | /* probes a new socdev */ | |
1934 | static int soc_probe(struct platform_device *pdev) | |
1935 | { | |
f0fba2ad | 1936 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
435c5e25 | 1937 | |
70a7ca34 VK |
1938 | /* |
1939 | * no card, so machine driver should be registering card | |
1940 | * we should not be here in that case so ret error | |
1941 | */ | |
1942 | if (!card) | |
1943 | return -EINVAL; | |
1944 | ||
fe4085e8 | 1945 | dev_warn(&pdev->dev, |
f110bfc7 | 1946 | "ASoC: machine %s should use snd_soc_register_card()\n", |
fe4085e8 MB |
1947 | card->name); |
1948 | ||
435c5e25 MB |
1949 | /* Bodge while we unpick instantiation */ |
1950 | card->dev = &pdev->dev; | |
f0fba2ad | 1951 | |
28d528c8 | 1952 | return snd_soc_register_card(card); |
db2a4165 FM |
1953 | } |
1954 | ||
b0e26485 | 1955 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
db2a4165 FM |
1956 | { |
1957 | int i; | |
db2a4165 | 1958 | |
b0e26485 VK |
1959 | /* make sure any delayed work runs */ |
1960 | for (i = 0; i < card->num_rtd; i++) { | |
1961 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 1962 | flush_delayed_work(&rtd->delayed_work); |
b0e26485 | 1963 | } |
914dc182 | 1964 | |
b0e26485 VK |
1965 | /* remove auxiliary devices */ |
1966 | for (i = 0; i < card->num_aux_devs; i++) | |
1967 | soc_remove_aux_dev(card, i); | |
db2a4165 | 1968 | |
b0e26485 | 1969 | /* remove and free each DAI */ |
0671fd8e | 1970 | soc_remove_dai_links(card); |
2eea392d | 1971 | |
b0e26485 | 1972 | soc_cleanup_card_debugfs(card); |
f0fba2ad | 1973 | |
b0e26485 VK |
1974 | /* remove the card */ |
1975 | if (card->remove) | |
e7361ec4 | 1976 | card->remove(card); |
a6052154 | 1977 | |
0aaae527 LPC |
1978 | snd_soc_dapm_free(&card->dapm); |
1979 | ||
b0e26485 VK |
1980 | snd_card_free(card->snd_card); |
1981 | return 0; | |
1982 | ||
1983 | } | |
1984 | ||
1985 | /* removes a socdev */ | |
1986 | static int soc_remove(struct platform_device *pdev) | |
1987 | { | |
1988 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
db2a4165 | 1989 | |
c5af3a2e | 1990 | snd_soc_unregister_card(card); |
db2a4165 FM |
1991 | return 0; |
1992 | } | |
1993 | ||
6f8ab4ac | 1994 | int snd_soc_poweroff(struct device *dev) |
51737470 | 1995 | { |
6f8ab4ac | 1996 | struct snd_soc_card *card = dev_get_drvdata(dev); |
f0fba2ad | 1997 | int i; |
51737470 MB |
1998 | |
1999 | if (!card->instantiated) | |
416356fc | 2000 | return 0; |
51737470 MB |
2001 | |
2002 | /* Flush out pmdown_time work - we actually do want to run it | |
2003 | * now, we're shutting down so no imminent restart. */ | |
f0fba2ad LG |
2004 | for (i = 0; i < card->num_rtd; i++) { |
2005 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; | |
43829731 | 2006 | flush_delayed_work(&rtd->delayed_work); |
f0fba2ad | 2007 | } |
51737470 | 2008 | |
f0fba2ad | 2009 | snd_soc_dapm_shutdown(card); |
416356fc | 2010 | |
988e8cc4 NC |
2011 | /* deactivate pins to sleep state */ |
2012 | for (i = 0; i < card->num_rtd; i++) { | |
2013 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
2014 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
2015 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
2016 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
2017 | } | |
2018 | ||
416356fc | 2019 | return 0; |
51737470 | 2020 | } |
6f8ab4ac | 2021 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
51737470 | 2022 | |
6f8ab4ac | 2023 | const struct dev_pm_ops snd_soc_pm_ops = { |
b1dd5897 VK |
2024 | .suspend = snd_soc_suspend, |
2025 | .resume = snd_soc_resume, | |
2026 | .freeze = snd_soc_suspend, | |
2027 | .thaw = snd_soc_resume, | |
6f8ab4ac | 2028 | .poweroff = snd_soc_poweroff, |
b1dd5897 | 2029 | .restore = snd_soc_resume, |
416356fc | 2030 | }; |
deb2607e | 2031 | EXPORT_SYMBOL_GPL(snd_soc_pm_ops); |
416356fc | 2032 | |
db2a4165 FM |
2033 | /* ASoC platform driver */ |
2034 | static struct platform_driver soc_driver = { | |
2035 | .driver = { | |
2036 | .name = "soc-audio", | |
8b45a209 | 2037 | .owner = THIS_MODULE, |
6f8ab4ac | 2038 | .pm = &snd_soc_pm_ops, |
db2a4165 FM |
2039 | }, |
2040 | .probe = soc_probe, | |
2041 | .remove = soc_remove, | |
db2a4165 FM |
2042 | }; |
2043 | ||
096e49d5 MB |
2044 | /** |
2045 | * snd_soc_codec_volatile_register: Report if a register is volatile. | |
2046 | * | |
2047 | * @codec: CODEC to query. | |
2048 | * @reg: Register to query. | |
2049 | * | |
2050 | * Boolean function indiciating if a CODEC register is volatile. | |
2051 | */ | |
181e055e MB |
2052 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
2053 | unsigned int reg) | |
096e49d5 | 2054 | { |
1500b7b5 DP |
2055 | if (codec->volatile_register) |
2056 | return codec->volatile_register(codec, reg); | |
096e49d5 MB |
2057 | else |
2058 | return 0; | |
2059 | } | |
2060 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); | |
2061 | ||
239c9706 DP |
2062 | /** |
2063 | * snd_soc_codec_readable_register: Report if a register is readable. | |
2064 | * | |
2065 | * @codec: CODEC to query. | |
2066 | * @reg: Register to query. | |
2067 | * | |
2068 | * Boolean function indicating if a CODEC register is readable. | |
2069 | */ | |
2070 | int snd_soc_codec_readable_register(struct snd_soc_codec *codec, | |
2071 | unsigned int reg) | |
2072 | { | |
2073 | if (codec->readable_register) | |
2074 | return codec->readable_register(codec, reg); | |
2075 | else | |
63fa0a28 | 2076 | return 1; |
239c9706 DP |
2077 | } |
2078 | EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); | |
2079 | ||
2080 | /** | |
2081 | * snd_soc_codec_writable_register: Report if a register is writable. | |
2082 | * | |
2083 | * @codec: CODEC to query. | |
2084 | * @reg: Register to query. | |
2085 | * | |
2086 | * Boolean function indicating if a CODEC register is writable. | |
2087 | */ | |
2088 | int snd_soc_codec_writable_register(struct snd_soc_codec *codec, | |
2089 | unsigned int reg) | |
2090 | { | |
2091 | if (codec->writable_register) | |
2092 | return codec->writable_register(codec, reg); | |
2093 | else | |
63fa0a28 | 2094 | return 1; |
239c9706 DP |
2095 | } |
2096 | EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); | |
2097 | ||
f1442bc1 LG |
2098 | int snd_soc_platform_read(struct snd_soc_platform *platform, |
2099 | unsigned int reg) | |
2100 | { | |
2101 | unsigned int ret; | |
2102 | ||
2103 | if (!platform->driver->read) { | |
f110bfc7 | 2104 | dev_err(platform->dev, "ASoC: platform has no read back\n"); |
f1442bc1 LG |
2105 | return -1; |
2106 | } | |
2107 | ||
2108 | ret = platform->driver->read(platform, reg); | |
2109 | dev_dbg(platform->dev, "read %x => %x\n", reg, ret); | |
a82ce2ae | 2110 | trace_snd_soc_preg_read(platform, reg, ret); |
f1442bc1 LG |
2111 | |
2112 | return ret; | |
2113 | } | |
2114 | EXPORT_SYMBOL_GPL(snd_soc_platform_read); | |
2115 | ||
2116 | int snd_soc_platform_write(struct snd_soc_platform *platform, | |
2117 | unsigned int reg, unsigned int val) | |
2118 | { | |
2119 | if (!platform->driver->write) { | |
f110bfc7 | 2120 | dev_err(platform->dev, "ASoC: platform has no write back\n"); |
f1442bc1 LG |
2121 | return -1; |
2122 | } | |
2123 | ||
2124 | dev_dbg(platform->dev, "write %x = %x\n", reg, val); | |
a82ce2ae | 2125 | trace_snd_soc_preg_write(platform, reg, val); |
f1442bc1 LG |
2126 | return platform->driver->write(platform, reg, val); |
2127 | } | |
2128 | EXPORT_SYMBOL_GPL(snd_soc_platform_write); | |
2129 | ||
db2a4165 FM |
2130 | /** |
2131 | * snd_soc_new_ac97_codec - initailise AC97 device | |
2132 | * @codec: audio codec | |
2133 | * @ops: AC97 bus operations | |
2134 | * @num: AC97 codec number | |
2135 | * | |
2136 | * Initialises AC97 codec resources for use by ad-hoc devices only. | |
2137 | */ | |
2138 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, | |
2139 | struct snd_ac97_bus_ops *ops, int num) | |
2140 | { | |
2141 | mutex_lock(&codec->mutex); | |
2142 | ||
2143 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); | |
2144 | if (codec->ac97 == NULL) { | |
2145 | mutex_unlock(&codec->mutex); | |
2146 | return -ENOMEM; | |
2147 | } | |
2148 | ||
2149 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); | |
2150 | if (codec->ac97->bus == NULL) { | |
2151 | kfree(codec->ac97); | |
2152 | codec->ac97 = NULL; | |
2153 | mutex_unlock(&codec->mutex); | |
2154 | return -ENOMEM; | |
2155 | } | |
2156 | ||
2157 | codec->ac97->bus->ops = ops; | |
2158 | codec->ac97->num = num; | |
0562f788 MW |
2159 | |
2160 | /* | |
2161 | * Mark the AC97 device to be created by us. This way we ensure that the | |
2162 | * device will be registered with the device subsystem later on. | |
2163 | */ | |
2164 | codec->ac97_created = 1; | |
2165 | ||
db2a4165 FM |
2166 | mutex_unlock(&codec->mutex); |
2167 | return 0; | |
2168 | } | |
2169 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); | |
2170 | ||
741a509f MP |
2171 | static struct snd_ac97_reset_cfg snd_ac97_rst_cfg; |
2172 | ||
2173 | static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97) | |
2174 | { | |
2175 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2176 | ||
2177 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset); | |
2178 | ||
2179 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1); | |
2180 | ||
2181 | udelay(10); | |
2182 | ||
2183 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2184 | ||
2185 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2186 | msleep(2); | |
2187 | } | |
2188 | ||
2189 | static void snd_soc_ac97_reset(struct snd_ac97 *ac97) | |
2190 | { | |
2191 | struct pinctrl *pctl = snd_ac97_rst_cfg.pctl; | |
2192 | ||
2193 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset); | |
2194 | ||
2195 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0); | |
2196 | gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0); | |
2197 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0); | |
2198 | ||
2199 | udelay(10); | |
2200 | ||
2201 | gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1); | |
2202 | ||
2203 | pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run); | |
2204 | msleep(2); | |
2205 | } | |
2206 | ||
2207 | static int snd_soc_ac97_parse_pinctl(struct device *dev, | |
2208 | struct snd_ac97_reset_cfg *cfg) | |
2209 | { | |
2210 | struct pinctrl *p; | |
2211 | struct pinctrl_state *state; | |
2212 | int gpio; | |
2213 | int ret; | |
2214 | ||
2215 | p = devm_pinctrl_get(dev); | |
2216 | if (IS_ERR(p)) { | |
2217 | dev_err(dev, "Failed to get pinctrl\n"); | |
2218 | return PTR_RET(p); | |
2219 | } | |
2220 | cfg->pctl = p; | |
2221 | ||
2222 | state = pinctrl_lookup_state(p, "ac97-reset"); | |
2223 | if (IS_ERR(state)) { | |
2224 | dev_err(dev, "Can't find pinctrl state ac97-reset\n"); | |
2225 | return PTR_RET(state); | |
2226 | } | |
2227 | cfg->pstate_reset = state; | |
2228 | ||
2229 | state = pinctrl_lookup_state(p, "ac97-warm-reset"); | |
2230 | if (IS_ERR(state)) { | |
2231 | dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n"); | |
2232 | return PTR_RET(state); | |
2233 | } | |
2234 | cfg->pstate_warm_reset = state; | |
2235 | ||
2236 | state = pinctrl_lookup_state(p, "ac97-running"); | |
2237 | if (IS_ERR(state)) { | |
2238 | dev_err(dev, "Can't find pinctrl state ac97-running\n"); | |
2239 | return PTR_RET(state); | |
2240 | } | |
2241 | cfg->pstate_run = state; | |
2242 | ||
2243 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0); | |
2244 | if (gpio < 0) { | |
2245 | dev_err(dev, "Can't find ac97-sync gpio\n"); | |
2246 | return gpio; | |
2247 | } | |
2248 | ret = devm_gpio_request(dev, gpio, "AC97 link sync"); | |
2249 | if (ret) { | |
2250 | dev_err(dev, "Failed requesting ac97-sync gpio\n"); | |
2251 | return ret; | |
2252 | } | |
2253 | cfg->gpio_sync = gpio; | |
2254 | ||
2255 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1); | |
2256 | if (gpio < 0) { | |
2257 | dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio); | |
2258 | return gpio; | |
2259 | } | |
2260 | ret = devm_gpio_request(dev, gpio, "AC97 link sdata"); | |
2261 | if (ret) { | |
2262 | dev_err(dev, "Failed requesting ac97-sdata gpio\n"); | |
2263 | return ret; | |
2264 | } | |
2265 | cfg->gpio_sdata = gpio; | |
2266 | ||
2267 | gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2); | |
2268 | if (gpio < 0) { | |
2269 | dev_err(dev, "Can't find ac97-reset gpio\n"); | |
2270 | return gpio; | |
2271 | } | |
2272 | ret = devm_gpio_request(dev, gpio, "AC97 link reset"); | |
2273 | if (ret) { | |
2274 | dev_err(dev, "Failed requesting ac97-reset gpio\n"); | |
2275 | return ret; | |
2276 | } | |
2277 | cfg->gpio_reset = gpio; | |
2278 | ||
2279 | return 0; | |
2280 | } | |
2281 | ||
b047e1cc | 2282 | struct snd_ac97_bus_ops *soc_ac97_ops; |
f74b5e25 | 2283 | EXPORT_SYMBOL_GPL(soc_ac97_ops); |
b047e1cc MB |
2284 | |
2285 | int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops) | |
2286 | { | |
2287 | if (ops == soc_ac97_ops) | |
2288 | return 0; | |
2289 | ||
2290 | if (soc_ac97_ops && ops) | |
2291 | return -EBUSY; | |
2292 | ||
2293 | soc_ac97_ops = ops; | |
2294 | ||
2295 | return 0; | |
2296 | } | |
2297 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops); | |
2298 | ||
741a509f MP |
2299 | /** |
2300 | * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions | |
2301 | * | |
2302 | * This function sets the reset and warm_reset properties of ops and parses | |
2303 | * the device node of pdev to get pinctrl states and gpio numbers to use. | |
2304 | */ | |
2305 | int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, | |
2306 | struct platform_device *pdev) | |
2307 | { | |
2308 | struct device *dev = &pdev->dev; | |
2309 | struct snd_ac97_reset_cfg cfg; | |
2310 | int ret; | |
2311 | ||
2312 | ret = snd_soc_ac97_parse_pinctl(dev, &cfg); | |
2313 | if (ret) | |
2314 | return ret; | |
2315 | ||
2316 | ret = snd_soc_set_ac97_ops(ops); | |
2317 | if (ret) | |
2318 | return ret; | |
2319 | ||
2320 | ops->warm_reset = snd_soc_ac97_warm_reset; | |
2321 | ops->reset = snd_soc_ac97_reset; | |
2322 | ||
2323 | snd_ac97_rst_cfg = cfg; | |
2324 | return 0; | |
2325 | } | |
2326 | EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset); | |
2327 | ||
db2a4165 FM |
2328 | /** |
2329 | * snd_soc_free_ac97_codec - free AC97 codec device | |
2330 | * @codec: audio codec | |
2331 | * | |
2332 | * Frees AC97 codec device resources. | |
2333 | */ | |
2334 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) | |
2335 | { | |
2336 | mutex_lock(&codec->mutex); | |
f0fba2ad | 2337 | #ifdef CONFIG_SND_SOC_AC97_BUS |
02c9c7b9 | 2338 | soc_unregister_ac97_codec(codec); |
f0fba2ad | 2339 | #endif |
db2a4165 FM |
2340 | kfree(codec->ac97->bus); |
2341 | kfree(codec->ac97); | |
2342 | codec->ac97 = NULL; | |
0562f788 | 2343 | codec->ac97_created = 0; |
db2a4165 FM |
2344 | mutex_unlock(&codec->mutex); |
2345 | } | |
2346 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); | |
2347 | ||
c3753707 MB |
2348 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
2349 | { | |
2350 | unsigned int ret; | |
2351 | ||
c3acec26 | 2352 | ret = codec->read(codec, reg); |
c3753707 | 2353 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
a8b1d34f | 2354 | trace_snd_soc_reg_read(codec, reg, ret); |
c3753707 MB |
2355 | |
2356 | return ret; | |
2357 | } | |
2358 | EXPORT_SYMBOL_GPL(snd_soc_read); | |
2359 | ||
2360 | unsigned int snd_soc_write(struct snd_soc_codec *codec, | |
2361 | unsigned int reg, unsigned int val) | |
2362 | { | |
2363 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); | |
a8b1d34f | 2364 | trace_snd_soc_reg_write(codec, reg, val); |
c3acec26 | 2365 | return codec->write(codec, reg, val); |
c3753707 MB |
2366 | } |
2367 | EXPORT_SYMBOL_GPL(snd_soc_write); | |
2368 | ||
db2a4165 FM |
2369 | /** |
2370 | * snd_soc_update_bits - update codec register bits | |
2371 | * @codec: audio codec | |
2372 | * @reg: codec register | |
2373 | * @mask: register mask | |
2374 | * @value: new value | |
2375 | * | |
2376 | * Writes new register value. | |
2377 | * | |
180c329d | 2378 | * Returns 1 for change, 0 for no change, or negative error code. |
db2a4165 FM |
2379 | */ |
2380 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2381 | unsigned int mask, unsigned int value) |
db2a4165 | 2382 | { |
8a713da8 | 2383 | bool change; |
46f5822f | 2384 | unsigned int old, new; |
180c329d TT |
2385 | int ret; |
2386 | ||
8a713da8 MB |
2387 | if (codec->using_regmap) { |
2388 | ret = regmap_update_bits_check(codec->control_data, reg, | |
2389 | mask, value, &change); | |
2390 | } else { | |
2391 | ret = snd_soc_read(codec, reg); | |
180c329d TT |
2392 | if (ret < 0) |
2393 | return ret; | |
8a713da8 MB |
2394 | |
2395 | old = ret; | |
2396 | new = (old & ~mask) | (value & mask); | |
2397 | change = old != new; | |
2398 | if (change) | |
2399 | ret = snd_soc_write(codec, reg, new); | |
180c329d | 2400 | } |
db2a4165 | 2401 | |
8a713da8 MB |
2402 | if (ret < 0) |
2403 | return ret; | |
2404 | ||
db2a4165 FM |
2405 | return change; |
2406 | } | |
2407 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); | |
2408 | ||
6c508c62 EN |
2409 | /** |
2410 | * snd_soc_update_bits_locked - update codec register bits | |
2411 | * @codec: audio codec | |
2412 | * @reg: codec register | |
2413 | * @mask: register mask | |
2414 | * @value: new value | |
2415 | * | |
2416 | * Writes new register value, and takes the codec mutex. | |
2417 | * | |
2418 | * Returns 1 for change else 0. | |
2419 | */ | |
dd1b3d53 MB |
2420 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
2421 | unsigned short reg, unsigned int mask, | |
2422 | unsigned int value) | |
6c508c62 EN |
2423 | { |
2424 | int change; | |
2425 | ||
2426 | mutex_lock(&codec->mutex); | |
2427 | change = snd_soc_update_bits(codec, reg, mask, value); | |
2428 | mutex_unlock(&codec->mutex); | |
2429 | ||
2430 | return change; | |
2431 | } | |
dd1b3d53 | 2432 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
6c508c62 | 2433 | |
db2a4165 FM |
2434 | /** |
2435 | * snd_soc_test_bits - test register for change | |
2436 | * @codec: audio codec | |
2437 | * @reg: codec register | |
2438 | * @mask: register mask | |
2439 | * @value: new value | |
2440 | * | |
2441 | * Tests a register with a new value and checks if the new value is | |
2442 | * different from the old value. | |
2443 | * | |
2444 | * Returns 1 for change else 0. | |
2445 | */ | |
2446 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, | |
46f5822f | 2447 | unsigned int mask, unsigned int value) |
db2a4165 FM |
2448 | { |
2449 | int change; | |
46f5822f | 2450 | unsigned int old, new; |
db2a4165 | 2451 | |
db2a4165 FM |
2452 | old = snd_soc_read(codec, reg); |
2453 | new = (old & ~mask) | value; | |
2454 | change = old != new; | |
db2a4165 FM |
2455 | |
2456 | return change; | |
2457 | } | |
2458 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); | |
2459 | ||
db2a4165 FM |
2460 | /** |
2461 | * snd_soc_cnew - create new control | |
2462 | * @_template: control template | |
2463 | * @data: control private data | |
ac11a2b3 | 2464 | * @long_name: control long name |
efb7ac3f | 2465 | * @prefix: control name prefix |
db2a4165 FM |
2466 | * |
2467 | * Create a new mixer control from a template control. | |
2468 | * | |
2469 | * Returns 0 for success, else error. | |
2470 | */ | |
2471 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, | |
3056557f | 2472 | void *data, const char *long_name, |
efb7ac3f | 2473 | const char *prefix) |
db2a4165 FM |
2474 | { |
2475 | struct snd_kcontrol_new template; | |
efb7ac3f MB |
2476 | struct snd_kcontrol *kcontrol; |
2477 | char *name = NULL; | |
db2a4165 FM |
2478 | |
2479 | memcpy(&template, _template, sizeof(template)); | |
db2a4165 FM |
2480 | template.index = 0; |
2481 | ||
efb7ac3f MB |
2482 | if (!long_name) |
2483 | long_name = template.name; | |
2484 | ||
2485 | if (prefix) { | |
2b581074 | 2486 | name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name); |
efb7ac3f MB |
2487 | if (!name) |
2488 | return NULL; | |
2489 | ||
efb7ac3f MB |
2490 | template.name = name; |
2491 | } else { | |
2492 | template.name = long_name; | |
2493 | } | |
2494 | ||
2495 | kcontrol = snd_ctl_new1(&template, data); | |
2496 | ||
2497 | kfree(name); | |
2498 | ||
2499 | return kcontrol; | |
db2a4165 FM |
2500 | } |
2501 | EXPORT_SYMBOL_GPL(snd_soc_cnew); | |
2502 | ||
022658be LG |
2503 | static int snd_soc_add_controls(struct snd_card *card, struct device *dev, |
2504 | const struct snd_kcontrol_new *controls, int num_controls, | |
2505 | const char *prefix, void *data) | |
2506 | { | |
2507 | int err, i; | |
2508 | ||
2509 | for (i = 0; i < num_controls; i++) { | |
2510 | const struct snd_kcontrol_new *control = &controls[i]; | |
2511 | err = snd_ctl_add(card, snd_soc_cnew(control, data, | |
2512 | control->name, prefix)); | |
2513 | if (err < 0) { | |
f110bfc7 LG |
2514 | dev_err(dev, "ASoC: Failed to add %s: %d\n", |
2515 | control->name, err); | |
022658be LG |
2516 | return err; |
2517 | } | |
2518 | } | |
2519 | ||
2520 | return 0; | |
2521 | } | |
2522 | ||
4fefd698 DP |
2523 | struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card, |
2524 | const char *name) | |
2525 | { | |
2526 | struct snd_card *card = soc_card->snd_card; | |
2527 | struct snd_kcontrol *kctl; | |
2528 | ||
2529 | if (unlikely(!name)) | |
2530 | return NULL; | |
2531 | ||
2532 | list_for_each_entry(kctl, &card->controls, list) | |
2533 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) | |
2534 | return kctl; | |
2535 | return NULL; | |
2536 | } | |
2537 | EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol); | |
2538 | ||
3e8e1952 | 2539 | /** |
022658be LG |
2540 | * snd_soc_add_codec_controls - add an array of controls to a codec. |
2541 | * Convenience function to add a list of controls. Many codecs were | |
3e8e1952 IM |
2542 | * duplicating this code. |
2543 | * | |
2544 | * @codec: codec to add controls to | |
2545 | * @controls: array of controls to add | |
2546 | * @num_controls: number of elements in the array | |
2547 | * | |
2548 | * Return 0 for success, else error. | |
2549 | */ | |
022658be | 2550 | int snd_soc_add_codec_controls(struct snd_soc_codec *codec, |
3e8e1952 IM |
2551 | const struct snd_kcontrol_new *controls, int num_controls) |
2552 | { | |
f0fba2ad | 2553 | struct snd_card *card = codec->card->snd_card; |
3e8e1952 | 2554 | |
022658be LG |
2555 | return snd_soc_add_controls(card, codec->dev, controls, num_controls, |
2556 | codec->name_prefix, codec); | |
3e8e1952 | 2557 | } |
022658be | 2558 | EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls); |
3e8e1952 | 2559 | |
a491a5c8 LG |
2560 | /** |
2561 | * snd_soc_add_platform_controls - add an array of controls to a platform. | |
022658be | 2562 | * Convenience function to add a list of controls. |
a491a5c8 LG |
2563 | * |
2564 | * @platform: platform to add controls to | |
2565 | * @controls: array of controls to add | |
2566 | * @num_controls: number of elements in the array | |
2567 | * | |
2568 | * Return 0 for success, else error. | |
2569 | */ | |
2570 | int snd_soc_add_platform_controls(struct snd_soc_platform *platform, | |
2571 | const struct snd_kcontrol_new *controls, int num_controls) | |
2572 | { | |
2573 | struct snd_card *card = platform->card->snd_card; | |
a491a5c8 | 2574 | |
022658be LG |
2575 | return snd_soc_add_controls(card, platform->dev, controls, num_controls, |
2576 | NULL, platform); | |
a491a5c8 LG |
2577 | } |
2578 | EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls); | |
2579 | ||
022658be LG |
2580 | /** |
2581 | * snd_soc_add_card_controls - add an array of controls to a SoC card. | |
2582 | * Convenience function to add a list of controls. | |
2583 | * | |
2584 | * @soc_card: SoC card to add controls to | |
2585 | * @controls: array of controls to add | |
2586 | * @num_controls: number of elements in the array | |
2587 | * | |
2588 | * Return 0 for success, else error. | |
2589 | */ | |
2590 | int snd_soc_add_card_controls(struct snd_soc_card *soc_card, | |
2591 | const struct snd_kcontrol_new *controls, int num_controls) | |
2592 | { | |
2593 | struct snd_card *card = soc_card->snd_card; | |
2594 | ||
2595 | return snd_soc_add_controls(card, soc_card->dev, controls, num_controls, | |
2596 | NULL, soc_card); | |
2597 | } | |
2598 | EXPORT_SYMBOL_GPL(snd_soc_add_card_controls); | |
2599 | ||
2600 | /** | |
2601 | * snd_soc_add_dai_controls - add an array of controls to a DAI. | |
2602 | * Convienience function to add a list of controls. | |
2603 | * | |
2604 | * @dai: DAI to add controls to | |
2605 | * @controls: array of controls to add | |
2606 | * @num_controls: number of elements in the array | |
2607 | * | |
2608 | * Return 0 for success, else error. | |
2609 | */ | |
2610 | int snd_soc_add_dai_controls(struct snd_soc_dai *dai, | |
2611 | const struct snd_kcontrol_new *controls, int num_controls) | |
2612 | { | |
2613 | struct snd_card *card = dai->card->snd_card; | |
2614 | ||
2615 | return snd_soc_add_controls(card, dai->dev, controls, num_controls, | |
2616 | NULL, dai); | |
2617 | } | |
2618 | EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls); | |
2619 | ||
db2a4165 FM |
2620 | /** |
2621 | * snd_soc_info_enum_double - enumerated double mixer info callback | |
2622 | * @kcontrol: mixer control | |
2623 | * @uinfo: control element information | |
2624 | * | |
2625 | * Callback to provide information about a double enumerated | |
2626 | * mixer control. | |
2627 | * | |
2628 | * Returns 0 for success. | |
2629 | */ | |
2630 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, | |
2631 | struct snd_ctl_elem_info *uinfo) | |
2632 | { | |
2633 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
2634 | ||
2635 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
2636 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; | |
9a8d38db | 2637 | uinfo->value.enumerated.items = e->items; |
db2a4165 | 2638 | |
9a8d38db TI |
2639 | if (uinfo->value.enumerated.item >= e->items) |
2640 | uinfo->value.enumerated.item = e->items - 1; | |
a19685cb TI |
2641 | strlcpy(uinfo->value.enumerated.name, |
2642 | e->texts[uinfo->value.enumerated.item], | |
2643 | sizeof(uinfo->value.enumerated.name)); | |
db2a4165 FM |
2644 | return 0; |
2645 | } | |
2646 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); | |
2647 | ||
2648 | /** | |
2649 | * snd_soc_get_enum_double - enumerated double mixer get callback | |
2650 | * @kcontrol: mixer control | |
ac11a2b3 | 2651 | * @ucontrol: control element information |
db2a4165 FM |
2652 | * |
2653 | * Callback to get the value of a double enumerated mixer. | |
2654 | * | |
2655 | * Returns 0 for success. | |
2656 | */ | |
2657 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, | |
2658 | struct snd_ctl_elem_value *ucontrol) | |
2659 | { | |
2660 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2661 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
29ae2fa5 LPC |
2662 | unsigned int val, item; |
2663 | unsigned int reg_val; | |
db2a4165 | 2664 | |
29ae2fa5 LPC |
2665 | reg_val = snd_soc_read(codec, e->reg); |
2666 | val = (reg_val >> e->shift_l) & e->mask; | |
2667 | item = snd_soc_enum_val_to_item(e, val); | |
2668 | ucontrol->value.enumerated.item[0] = item; | |
2669 | if (e->shift_l != e->shift_r) { | |
2670 | val = (reg_val >> e->shift_l) & e->mask; | |
2671 | item = snd_soc_enum_val_to_item(e, val); | |
2672 | ucontrol->value.enumerated.item[1] = item; | |
2673 | } | |
db2a4165 FM |
2674 | |
2675 | return 0; | |
2676 | } | |
2677 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); | |
2678 | ||
2679 | /** | |
2680 | * snd_soc_put_enum_double - enumerated double mixer put callback | |
2681 | * @kcontrol: mixer control | |
ac11a2b3 | 2682 | * @ucontrol: control element information |
db2a4165 FM |
2683 | * |
2684 | * Callback to set the value of a double enumerated mixer. | |
2685 | * | |
2686 | * Returns 0 for success. | |
2687 | */ | |
2688 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, | |
2689 | struct snd_ctl_elem_value *ucontrol) | |
2690 | { | |
2691 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2692 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; | |
29ae2fa5 | 2693 | unsigned int *item = ucontrol->value.enumerated.item; |
46f5822f | 2694 | unsigned int val; |
86767b7d | 2695 | unsigned int mask; |
db2a4165 | 2696 | |
29ae2fa5 | 2697 | if (item[0] >= e->items) |
db2a4165 | 2698 | return -EINVAL; |
29ae2fa5 | 2699 | val = snd_soc_enum_item_to_val(e, item[0]) << e->shift_l; |
86767b7d | 2700 | mask = e->mask << e->shift_l; |
db2a4165 | 2701 | if (e->shift_l != e->shift_r) { |
29ae2fa5 | 2702 | if (item[1] >= e->items) |
db2a4165 | 2703 | return -EINVAL; |
29ae2fa5 | 2704 | val |= snd_soc_enum_item_to_val(e, item[1]) << e->shift_r; |
86767b7d | 2705 | mask |= e->mask << e->shift_r; |
db2a4165 FM |
2706 | } |
2707 | ||
6c508c62 | 2708 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
db2a4165 FM |
2709 | } |
2710 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); | |
2711 | ||
2e72f8e3 | 2712 | /** |
f227b88f MP |
2713 | * snd_soc_read_signed - Read a codec register and interprete as signed value |
2714 | * @codec: codec | |
2715 | * @reg: Register to read | |
2716 | * @mask: Mask to use after shifting the register value | |
2717 | * @shift: Right shift of register value | |
2718 | * @sign_bit: Bit that describes if a number is negative or not. | |
2e72f8e3 | 2719 | * |
f227b88f MP |
2720 | * This functions reads a codec register. The register value is shifted right |
2721 | * by 'shift' bits and masked with the given 'mask'. Afterwards it translates | |
2722 | * the given registervalue into a signed integer if sign_bit is non-zero. | |
2e72f8e3 | 2723 | * |
f227b88f | 2724 | * Returns the register value as signed int. |
2e72f8e3 | 2725 | */ |
f227b88f MP |
2726 | static int snd_soc_read_signed(struct snd_soc_codec *codec, unsigned int reg, |
2727 | unsigned int mask, unsigned int shift, unsigned int sign_bit) | |
2e72f8e3 | 2728 | { |
f227b88f MP |
2729 | int ret; |
2730 | unsigned int val; | |
2e72f8e3 | 2731 | |
f227b88f | 2732 | val = (snd_soc_read(codec, reg) >> shift) & mask; |
2e72f8e3 | 2733 | |
f227b88f MP |
2734 | if (!sign_bit) |
2735 | return val; | |
2e72f8e3 | 2736 | |
f227b88f MP |
2737 | /* non-negative number */ |
2738 | if (!(val & BIT(sign_bit))) | |
2739 | return val; | |
2e72f8e3 | 2740 | |
f227b88f | 2741 | ret = val; |
2e72f8e3 | 2742 | |
f227b88f MP |
2743 | /* |
2744 | * The register most probably does not contain a full-sized int. | |
2745 | * Instead we have an arbitrary number of bits in a signed | |
2746 | * representation which has to be translated into a full-sized int. | |
2747 | * This is done by filling up all bits above the sign-bit. | |
2748 | */ | |
2749 | ret |= ~((int)(BIT(sign_bit) - 1)); | |
2750 | ||
2751 | return ret; | |
2e72f8e3 | 2752 | } |
2e72f8e3 | 2753 | |
db2a4165 FM |
2754 | /** |
2755 | * snd_soc_info_volsw - single mixer info callback | |
2756 | * @kcontrol: mixer control | |
2757 | * @uinfo: control element information | |
2758 | * | |
e8f5a103 PU |
2759 | * Callback to provide information about a single mixer control, or a double |
2760 | * mixer control that spans 2 registers. | |
db2a4165 FM |
2761 | * |
2762 | * Returns 0 for success. | |
2763 | */ | |
2764 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, | |
2765 | struct snd_ctl_elem_info *uinfo) | |
2766 | { | |
4eaa9819 JS |
2767 | struct soc_mixer_control *mc = |
2768 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2769 | int platform_max; |
db2a4165 | 2770 | |
d11bb4a9 PU |
2771 | if (!mc->platform_max) |
2772 | mc->platform_max = mc->max; | |
2773 | platform_max = mc->platform_max; | |
2774 | ||
2775 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) | |
a7a4ac86 PZ |
2776 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
2777 | else | |
2778 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
2779 | ||
e8f5a103 | 2780 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
db2a4165 | 2781 | uinfo->value.integer.min = 0; |
f227b88f | 2782 | uinfo->value.integer.max = platform_max - mc->min; |
db2a4165 FM |
2783 | return 0; |
2784 | } | |
2785 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); | |
2786 | ||
2787 | /** | |
2788 | * snd_soc_get_volsw - single mixer get callback | |
2789 | * @kcontrol: mixer control | |
ac11a2b3 | 2790 | * @ucontrol: control element information |
db2a4165 | 2791 | * |
f7915d99 PU |
2792 | * Callback to get the value of a single mixer control, or a double mixer |
2793 | * control that spans 2 registers. | |
db2a4165 FM |
2794 | * |
2795 | * Returns 0 for success. | |
2796 | */ | |
2797 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, | |
2798 | struct snd_ctl_elem_value *ucontrol) | |
2799 | { | |
4eaa9819 JS |
2800 | struct soc_mixer_control *mc = |
2801 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2802 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2803 | unsigned int reg = mc->reg; |
f7915d99 | 2804 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2805 | unsigned int shift = mc->shift; |
2806 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2807 | int max = mc->max; |
f227b88f MP |
2808 | int min = mc->min; |
2809 | int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2810 | unsigned int mask = (1 << fls(max)) - 1; |
2811 | unsigned int invert = mc->invert; | |
db2a4165 | 2812 | |
f227b88f MP |
2813 | if (sign_bit) |
2814 | mask = BIT(sign_bit + 1) - 1; | |
2815 | ||
2816 | ucontrol->value.integer.value[0] = snd_soc_read_signed(codec, reg, mask, | |
2817 | shift, sign_bit) - min; | |
f7915d99 | 2818 | if (invert) |
db2a4165 | 2819 | ucontrol->value.integer.value[0] = |
a7a4ac86 | 2820 | max - ucontrol->value.integer.value[0]; |
f7915d99 PU |
2821 | |
2822 | if (snd_soc_volsw_is_stereo(mc)) { | |
2823 | if (reg == reg2) | |
2824 | ucontrol->value.integer.value[1] = | |
f227b88f MP |
2825 | snd_soc_read_signed(codec, reg, mask, rshift, |
2826 | sign_bit) - min; | |
f7915d99 PU |
2827 | else |
2828 | ucontrol->value.integer.value[1] = | |
f227b88f MP |
2829 | snd_soc_read_signed(codec, reg2, mask, shift, |
2830 | sign_bit) - min; | |
f7915d99 | 2831 | if (invert) |
db2a4165 | 2832 | ucontrol->value.integer.value[1] = |
a7a4ac86 | 2833 | max - ucontrol->value.integer.value[1]; |
db2a4165 FM |
2834 | } |
2835 | ||
2836 | return 0; | |
2837 | } | |
2838 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); | |
2839 | ||
2840 | /** | |
2841 | * snd_soc_put_volsw - single mixer put callback | |
2842 | * @kcontrol: mixer control | |
ac11a2b3 | 2843 | * @ucontrol: control element information |
db2a4165 | 2844 | * |
974815ba PU |
2845 | * Callback to set the value of a single mixer control, or a double mixer |
2846 | * control that spans 2 registers. | |
db2a4165 FM |
2847 | * |
2848 | * Returns 0 for success. | |
2849 | */ | |
2850 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, | |
2851 | struct snd_ctl_elem_value *ucontrol) | |
2852 | { | |
4eaa9819 JS |
2853 | struct soc_mixer_control *mc = |
2854 | (struct soc_mixer_control *)kcontrol->private_value; | |
db2a4165 | 2855 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 2856 | unsigned int reg = mc->reg; |
974815ba | 2857 | unsigned int reg2 = mc->rreg; |
815ecf8d JS |
2858 | unsigned int shift = mc->shift; |
2859 | unsigned int rshift = mc->rshift; | |
4eaa9819 | 2860 | int max = mc->max; |
f227b88f MP |
2861 | int min = mc->min; |
2862 | unsigned int sign_bit = mc->sign_bit; | |
815ecf8d JS |
2863 | unsigned int mask = (1 << fls(max)) - 1; |
2864 | unsigned int invert = mc->invert; | |
974815ba | 2865 | int err; |
939d9f16 | 2866 | bool type_2r = false; |
974815ba PU |
2867 | unsigned int val2 = 0; |
2868 | unsigned int val, val_mask; | |
db2a4165 | 2869 | |
f227b88f MP |
2870 | if (sign_bit) |
2871 | mask = BIT(sign_bit + 1) - 1; | |
2872 | ||
2873 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
db2a4165 | 2874 | if (invert) |
a7a4ac86 | 2875 | val = max - val; |
db2a4165 FM |
2876 | val_mask = mask << shift; |
2877 | val = val << shift; | |
974815ba | 2878 | if (snd_soc_volsw_is_stereo(mc)) { |
f227b88f | 2879 | val2 = ((ucontrol->value.integer.value[1] + min) & mask); |
db2a4165 | 2880 | if (invert) |
a7a4ac86 | 2881 | val2 = max - val2; |
974815ba PU |
2882 | if (reg == reg2) { |
2883 | val_mask |= mask << rshift; | |
2884 | val |= val2 << rshift; | |
2885 | } else { | |
2886 | val2 = val2 << shift; | |
939d9f16 | 2887 | type_2r = true; |
974815ba | 2888 | } |
db2a4165 | 2889 | } |
6c508c62 | 2890 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
3ff3f64b | 2891 | if (err < 0) |
db2a4165 FM |
2892 | return err; |
2893 | ||
974815ba PU |
2894 | if (type_2r) |
2895 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); | |
2896 | ||
db2a4165 FM |
2897 | return err; |
2898 | } | |
974815ba | 2899 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
db2a4165 | 2900 | |
1d99f243 BA |
2901 | /** |
2902 | * snd_soc_get_volsw_sx - single mixer get callback | |
2903 | * @kcontrol: mixer control | |
2904 | * @ucontrol: control element information | |
2905 | * | |
2906 | * Callback to get the value of a single mixer control, or a double mixer | |
2907 | * control that spans 2 registers. | |
2908 | * | |
2909 | * Returns 0 for success. | |
2910 | */ | |
2911 | int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol, | |
2912 | struct snd_ctl_elem_value *ucontrol) | |
2913 | { | |
2914 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2915 | struct soc_mixer_control *mc = | |
2916 | (struct soc_mixer_control *)kcontrol->private_value; | |
2917 | ||
2918 | unsigned int reg = mc->reg; | |
2919 | unsigned int reg2 = mc->rreg; | |
2920 | unsigned int shift = mc->shift; | |
2921 | unsigned int rshift = mc->rshift; | |
2922 | int max = mc->max; | |
2923 | int min = mc->min; | |
2924 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
2925 | ||
2926 | ucontrol->value.integer.value[0] = | |
2927 | ((snd_soc_read(codec, reg) >> shift) - min) & mask; | |
2928 | ||
2929 | if (snd_soc_volsw_is_stereo(mc)) | |
2930 | ucontrol->value.integer.value[1] = | |
2931 | ((snd_soc_read(codec, reg2) >> rshift) - min) & mask; | |
2932 | ||
2933 | return 0; | |
2934 | } | |
2935 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx); | |
2936 | ||
2937 | /** | |
2938 | * snd_soc_put_volsw_sx - double mixer set callback | |
2939 | * @kcontrol: mixer control | |
2940 | * @uinfo: control element information | |
2941 | * | |
2942 | * Callback to set the value of a double mixer control that spans 2 registers. | |
2943 | * | |
2944 | * Returns 0 for success. | |
2945 | */ | |
2946 | int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, | |
2947 | struct snd_ctl_elem_value *ucontrol) | |
2948 | { | |
2949 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
2950 | struct soc_mixer_control *mc = | |
2951 | (struct soc_mixer_control *)kcontrol->private_value; | |
2952 | ||
2953 | unsigned int reg = mc->reg; | |
2954 | unsigned int reg2 = mc->rreg; | |
2955 | unsigned int shift = mc->shift; | |
2956 | unsigned int rshift = mc->rshift; | |
2957 | int max = mc->max; | |
2958 | int min = mc->min; | |
2959 | int mask = (1 << (fls(min + max) - 1)) - 1; | |
27f1d759 | 2960 | int err = 0; |
1d99f243 BA |
2961 | unsigned short val, val_mask, val2 = 0; |
2962 | ||
2963 | val_mask = mask << shift; | |
2964 | val = (ucontrol->value.integer.value[0] + min) & mask; | |
2965 | val = val << shift; | |
2966 | ||
d055852e MN |
2967 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
2968 | if (err < 0) | |
2969 | return err; | |
1d99f243 BA |
2970 | |
2971 | if (snd_soc_volsw_is_stereo(mc)) { | |
2972 | val_mask = mask << rshift; | |
2973 | val2 = (ucontrol->value.integer.value[1] + min) & mask; | |
2974 | val2 = val2 << rshift; | |
2975 | ||
2976 | if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2)) | |
2977 | return err; | |
2978 | } | |
2979 | return 0; | |
2980 | } | |
2981 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx); | |
2982 | ||
e13ac2e9 MB |
2983 | /** |
2984 | * snd_soc_info_volsw_s8 - signed mixer info callback | |
2985 | * @kcontrol: mixer control | |
2986 | * @uinfo: control element information | |
2987 | * | |
2988 | * Callback to provide information about a signed mixer control. | |
2989 | * | |
2990 | * Returns 0 for success. | |
2991 | */ | |
2992 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, | |
2993 | struct snd_ctl_elem_info *uinfo) | |
2994 | { | |
4eaa9819 JS |
2995 | struct soc_mixer_control *mc = |
2996 | (struct soc_mixer_control *)kcontrol->private_value; | |
d11bb4a9 | 2997 | int platform_max; |
4eaa9819 | 2998 | int min = mc->min; |
e13ac2e9 | 2999 | |
d11bb4a9 PU |
3000 | if (!mc->platform_max) |
3001 | mc->platform_max = mc->max; | |
3002 | platform_max = mc->platform_max; | |
3003 | ||
e13ac2e9 MB |
3004 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
3005 | uinfo->count = 2; | |
3006 | uinfo->value.integer.min = 0; | |
d11bb4a9 | 3007 | uinfo->value.integer.max = platform_max - min; |
e13ac2e9 MB |
3008 | return 0; |
3009 | } | |
3010 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); | |
3011 | ||
3012 | /** | |
3013 | * snd_soc_get_volsw_s8 - signed mixer get callback | |
3014 | * @kcontrol: mixer control | |
ac11a2b3 | 3015 | * @ucontrol: control element information |
e13ac2e9 MB |
3016 | * |
3017 | * Callback to get the value of a signed mixer control. | |
3018 | * | |
3019 | * Returns 0 for success. | |
3020 | */ | |
3021 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, | |
3022 | struct snd_ctl_elem_value *ucontrol) | |
3023 | { | |
4eaa9819 JS |
3024 | struct soc_mixer_control *mc = |
3025 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 3026 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 3027 | unsigned int reg = mc->reg; |
4eaa9819 | 3028 | int min = mc->min; |
e13ac2e9 MB |
3029 | int val = snd_soc_read(codec, reg); |
3030 | ||
3031 | ucontrol->value.integer.value[0] = | |
3032 | ((signed char)(val & 0xff))-min; | |
3033 | ucontrol->value.integer.value[1] = | |
3034 | ((signed char)((val >> 8) & 0xff))-min; | |
3035 | return 0; | |
3036 | } | |
3037 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); | |
3038 | ||
3039 | /** | |
3040 | * snd_soc_put_volsw_sgn - signed mixer put callback | |
3041 | * @kcontrol: mixer control | |
ac11a2b3 | 3042 | * @ucontrol: control element information |
e13ac2e9 MB |
3043 | * |
3044 | * Callback to set the value of a signed mixer control. | |
3045 | * | |
3046 | * Returns 0 for success. | |
3047 | */ | |
3048 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, | |
3049 | struct snd_ctl_elem_value *ucontrol) | |
3050 | { | |
4eaa9819 JS |
3051 | struct soc_mixer_control *mc = |
3052 | (struct soc_mixer_control *)kcontrol->private_value; | |
e13ac2e9 | 3053 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
815ecf8d | 3054 | unsigned int reg = mc->reg; |
4eaa9819 | 3055 | int min = mc->min; |
46f5822f | 3056 | unsigned int val; |
e13ac2e9 MB |
3057 | |
3058 | val = (ucontrol->value.integer.value[0]+min) & 0xff; | |
3059 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; | |
3060 | ||
6c508c62 | 3061 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
e13ac2e9 MB |
3062 | } |
3063 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); | |
3064 | ||
6c9d8cf6 AT |
3065 | /** |
3066 | * snd_soc_info_volsw_range - single mixer info callback with range. | |
3067 | * @kcontrol: mixer control | |
3068 | * @uinfo: control element information | |
3069 | * | |
3070 | * Callback to provide information, within a range, about a single | |
3071 | * mixer control. | |
3072 | * | |
3073 | * returns 0 for success. | |
3074 | */ | |
3075 | int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, | |
3076 | struct snd_ctl_elem_info *uinfo) | |
3077 | { | |
3078 | struct soc_mixer_control *mc = | |
3079 | (struct soc_mixer_control *)kcontrol->private_value; | |
3080 | int platform_max; | |
3081 | int min = mc->min; | |
3082 | ||
3083 | if (!mc->platform_max) | |
3084 | mc->platform_max = mc->max; | |
3085 | platform_max = mc->platform_max; | |
3086 | ||
3087 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
9bde4f0b | 3088 | uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; |
6c9d8cf6 AT |
3089 | uinfo->value.integer.min = 0; |
3090 | uinfo->value.integer.max = platform_max - min; | |
3091 | ||
3092 | return 0; | |
3093 | } | |
3094 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range); | |
3095 | ||
3096 | /** | |
3097 | * snd_soc_put_volsw_range - single mixer put value callback with range. | |
3098 | * @kcontrol: mixer control | |
3099 | * @ucontrol: control element information | |
3100 | * | |
3101 | * Callback to set the value, within a range, for a single mixer control. | |
3102 | * | |
3103 | * Returns 0 for success. | |
3104 | */ | |
3105 | int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, | |
3106 | struct snd_ctl_elem_value *ucontrol) | |
3107 | { | |
3108 | struct soc_mixer_control *mc = | |
3109 | (struct soc_mixer_control *)kcontrol->private_value; | |
3110 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3111 | unsigned int reg = mc->reg; | |
9bde4f0b | 3112 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3113 | unsigned int shift = mc->shift; |
3114 | int min = mc->min; | |
3115 | int max = mc->max; | |
3116 | unsigned int mask = (1 << fls(max)) - 1; | |
3117 | unsigned int invert = mc->invert; | |
3118 | unsigned int val, val_mask; | |
9bde4f0b | 3119 | int ret; |
6c9d8cf6 AT |
3120 | |
3121 | val = ((ucontrol->value.integer.value[0] + min) & mask); | |
3122 | if (invert) | |
3123 | val = max - val; | |
3124 | val_mask = mask << shift; | |
3125 | val = val << shift; | |
3126 | ||
9bde4f0b | 3127 | ret = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
0eaa6cca | 3128 | if (ret < 0) |
9bde4f0b MB |
3129 | return ret; |
3130 | ||
3131 | if (snd_soc_volsw_is_stereo(mc)) { | |
3132 | val = ((ucontrol->value.integer.value[1] + min) & mask); | |
3133 | if (invert) | |
3134 | val = max - val; | |
3135 | val_mask = mask << shift; | |
3136 | val = val << shift; | |
3137 | ||
3138 | ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val); | |
3139 | } | |
3140 | ||
3141 | return ret; | |
6c9d8cf6 AT |
3142 | } |
3143 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range); | |
3144 | ||
3145 | /** | |
3146 | * snd_soc_get_volsw_range - single mixer get callback with range | |
3147 | * @kcontrol: mixer control | |
3148 | * @ucontrol: control element information | |
3149 | * | |
3150 | * Callback to get the value, within a range, of a single mixer control. | |
3151 | * | |
3152 | * Returns 0 for success. | |
3153 | */ | |
3154 | int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, | |
3155 | struct snd_ctl_elem_value *ucontrol) | |
3156 | { | |
3157 | struct soc_mixer_control *mc = | |
3158 | (struct soc_mixer_control *)kcontrol->private_value; | |
3159 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3160 | unsigned int reg = mc->reg; | |
9bde4f0b | 3161 | unsigned int rreg = mc->rreg; |
6c9d8cf6 AT |
3162 | unsigned int shift = mc->shift; |
3163 | int min = mc->min; | |
3164 | int max = mc->max; | |
3165 | unsigned int mask = (1 << fls(max)) - 1; | |
3166 | unsigned int invert = mc->invert; | |
3167 | ||
3168 | ucontrol->value.integer.value[0] = | |
3169 | (snd_soc_read(codec, reg) >> shift) & mask; | |
3170 | if (invert) | |
3171 | ucontrol->value.integer.value[0] = | |
3172 | max - ucontrol->value.integer.value[0]; | |
3173 | ucontrol->value.integer.value[0] = | |
3174 | ucontrol->value.integer.value[0] - min; | |
3175 | ||
9bde4f0b MB |
3176 | if (snd_soc_volsw_is_stereo(mc)) { |
3177 | ucontrol->value.integer.value[1] = | |
3178 | (snd_soc_read(codec, rreg) >> shift) & mask; | |
3179 | if (invert) | |
3180 | ucontrol->value.integer.value[1] = | |
3181 | max - ucontrol->value.integer.value[1]; | |
3182 | ucontrol->value.integer.value[1] = | |
3183 | ucontrol->value.integer.value[1] - min; | |
3184 | } | |
3185 | ||
6c9d8cf6 AT |
3186 | return 0; |
3187 | } | |
3188 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range); | |
3189 | ||
637d3847 PU |
3190 | /** |
3191 | * snd_soc_limit_volume - Set new limit to an existing volume control. | |
3192 | * | |
3193 | * @codec: where to look for the control | |
3194 | * @name: Name of the control | |
3195 | * @max: new maximum limit | |
3196 | * | |
3197 | * Return 0 for success, else error. | |
3198 | */ | |
3199 | int snd_soc_limit_volume(struct snd_soc_codec *codec, | |
3200 | const char *name, int max) | |
3201 | { | |
f0fba2ad | 3202 | struct snd_card *card = codec->card->snd_card; |
637d3847 PU |
3203 | struct snd_kcontrol *kctl; |
3204 | struct soc_mixer_control *mc; | |
3205 | int found = 0; | |
3206 | int ret = -EINVAL; | |
3207 | ||
3208 | /* Sanity check for name and max */ | |
3209 | if (unlikely(!name || max <= 0)) | |
3210 | return -EINVAL; | |
3211 | ||
3212 | list_for_each_entry(kctl, &card->controls, list) { | |
3213 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { | |
3214 | found = 1; | |
3215 | break; | |
3216 | } | |
3217 | } | |
3218 | if (found) { | |
3219 | mc = (struct soc_mixer_control *)kctl->private_value; | |
3220 | if (max <= mc->max) { | |
d11bb4a9 | 3221 | mc->platform_max = max; |
637d3847 PU |
3222 | ret = 0; |
3223 | } | |
3224 | } | |
3225 | return ret; | |
3226 | } | |
3227 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); | |
3228 | ||
71d08516 MB |
3229 | int snd_soc_bytes_info(struct snd_kcontrol *kcontrol, |
3230 | struct snd_ctl_elem_info *uinfo) | |
3231 | { | |
3232 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3233 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3234 | ||
3235 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; | |
3236 | uinfo->count = params->num_regs * codec->val_bytes; | |
3237 | ||
3238 | return 0; | |
3239 | } | |
3240 | EXPORT_SYMBOL_GPL(snd_soc_bytes_info); | |
3241 | ||
3242 | int snd_soc_bytes_get(struct snd_kcontrol *kcontrol, | |
3243 | struct snd_ctl_elem_value *ucontrol) | |
3244 | { | |
3245 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3246 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3247 | int ret; | |
3248 | ||
3249 | if (codec->using_regmap) | |
3250 | ret = regmap_raw_read(codec->control_data, params->base, | |
3251 | ucontrol->value.bytes.data, | |
3252 | params->num_regs * codec->val_bytes); | |
3253 | else | |
3254 | ret = -EINVAL; | |
3255 | ||
f831b055 MB |
3256 | /* Hide any masked bytes to ensure consistent data reporting */ |
3257 | if (ret == 0 && params->mask) { | |
3258 | switch (codec->val_bytes) { | |
3259 | case 1: | |
3260 | ucontrol->value.bytes.data[0] &= ~params->mask; | |
3261 | break; | |
3262 | case 2: | |
3263 | ((u16 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3264 | &= cpu_to_be16(~params->mask); |
f831b055 MB |
3265 | break; |
3266 | case 4: | |
3267 | ((u32 *)(&ucontrol->value.bytes.data))[0] | |
8f1ec93a | 3268 | &= cpu_to_be32(~params->mask); |
f831b055 MB |
3269 | break; |
3270 | default: | |
3271 | return -EINVAL; | |
3272 | } | |
3273 | } | |
3274 | ||
71d08516 MB |
3275 | return ret; |
3276 | } | |
3277 | EXPORT_SYMBOL_GPL(snd_soc_bytes_get); | |
3278 | ||
3279 | int snd_soc_bytes_put(struct snd_kcontrol *kcontrol, | |
3280 | struct snd_ctl_elem_value *ucontrol) | |
3281 | { | |
3282 | struct soc_bytes *params = (void *)kcontrol->private_value; | |
3283 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f831b055 | 3284 | int ret, len; |
a1a564ed | 3285 | unsigned int val, mask; |
f831b055 | 3286 | void *data; |
71d08516 | 3287 | |
f831b055 MB |
3288 | if (!codec->using_regmap) |
3289 | return -EINVAL; | |
3290 | ||
f831b055 MB |
3291 | len = params->num_regs * codec->val_bytes; |
3292 | ||
b5a8fe43 MB |
3293 | data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA); |
3294 | if (!data) | |
3295 | return -ENOMEM; | |
3296 | ||
f831b055 MB |
3297 | /* |
3298 | * If we've got a mask then we need to preserve the register | |
3299 | * bits. We shouldn't modify the incoming data so take a | |
3300 | * copy. | |
3301 | */ | |
3302 | if (params->mask) { | |
3303 | ret = regmap_read(codec->control_data, params->base, &val); | |
3304 | if (ret != 0) | |
e8b18add | 3305 | goto out; |
f831b055 MB |
3306 | |
3307 | val &= params->mask; | |
3308 | ||
f831b055 MB |
3309 | switch (codec->val_bytes) { |
3310 | case 1: | |
3311 | ((u8 *)data)[0] &= ~params->mask; | |
3312 | ((u8 *)data)[0] |= val; | |
3313 | break; | |
3314 | case 2: | |
a1a564ed NC |
3315 | mask = ~params->mask; |
3316 | ret = regmap_parse_val(codec->control_data, | |
3317 | &mask, &mask); | |
3318 | if (ret != 0) | |
3319 | goto out; | |
3320 | ||
3321 | ((u16 *)data)[0] &= mask; | |
3322 | ||
3323 | ret = regmap_parse_val(codec->control_data, | |
3324 | &val, &val); | |
3325 | if (ret != 0) | |
3326 | goto out; | |
3327 | ||
3328 | ((u16 *)data)[0] |= val; | |
f831b055 MB |
3329 | break; |
3330 | case 4: | |
a1a564ed NC |
3331 | mask = ~params->mask; |
3332 | ret = regmap_parse_val(codec->control_data, | |
3333 | &mask, &mask); | |
3334 | if (ret != 0) | |
3335 | goto out; | |
3336 | ||
3337 | ((u32 *)data)[0] &= mask; | |
3338 | ||
3339 | ret = regmap_parse_val(codec->control_data, | |
3340 | &val, &val); | |
3341 | if (ret != 0) | |
3342 | goto out; | |
3343 | ||
3344 | ((u32 *)data)[0] |= val; | |
f831b055 MB |
3345 | break; |
3346 | default: | |
e8b18add WY |
3347 | ret = -EINVAL; |
3348 | goto out; | |
f831b055 MB |
3349 | } |
3350 | } | |
3351 | ||
3352 | ret = regmap_raw_write(codec->control_data, params->base, | |
3353 | data, len); | |
3354 | ||
e8b18add | 3355 | out: |
b5a8fe43 | 3356 | kfree(data); |
71d08516 MB |
3357 | |
3358 | return ret; | |
3359 | } | |
3360 | EXPORT_SYMBOL_GPL(snd_soc_bytes_put); | |
3361 | ||
4183eed2 KK |
3362 | /** |
3363 | * snd_soc_info_xr_sx - signed multi register info callback | |
3364 | * @kcontrol: mreg control | |
3365 | * @uinfo: control element information | |
3366 | * | |
3367 | * Callback to provide information of a control that can | |
3368 | * span multiple codec registers which together | |
3369 | * forms a single signed value in a MSB/LSB manner. | |
3370 | * | |
3371 | * Returns 0 for success. | |
3372 | */ | |
3373 | int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol, | |
3374 | struct snd_ctl_elem_info *uinfo) | |
3375 | { | |
3376 | struct soc_mreg_control *mc = | |
3377 | (struct soc_mreg_control *)kcontrol->private_value; | |
3378 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
3379 | uinfo->count = 1; | |
3380 | uinfo->value.integer.min = mc->min; | |
3381 | uinfo->value.integer.max = mc->max; | |
3382 | ||
3383 | return 0; | |
3384 | } | |
3385 | EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx); | |
3386 | ||
3387 | /** | |
3388 | * snd_soc_get_xr_sx - signed multi register get callback | |
3389 | * @kcontrol: mreg control | |
3390 | * @ucontrol: control element information | |
3391 | * | |
3392 | * Callback to get the value of a control that can span | |
3393 | * multiple codec registers which together forms a single | |
3394 | * signed value in a MSB/LSB manner. The control supports | |
3395 | * specifying total no of bits used to allow for bitfields | |
3396 | * across the multiple codec registers. | |
3397 | * | |
3398 | * Returns 0 for success. | |
3399 | */ | |
3400 | int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol, | |
3401 | struct snd_ctl_elem_value *ucontrol) | |
3402 | { | |
3403 | struct soc_mreg_control *mc = | |
3404 | (struct soc_mreg_control *)kcontrol->private_value; | |
3405 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3406 | unsigned int regbase = mc->regbase; | |
3407 | unsigned int regcount = mc->regcount; | |
3408 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3409 | unsigned int regwmask = (1<<regwshift)-1; | |
3410 | unsigned int invert = mc->invert; | |
3411 | unsigned long mask = (1UL<<mc->nbits)-1; | |
3412 | long min = mc->min; | |
3413 | long max = mc->max; | |
3414 | long val = 0; | |
3415 | unsigned long regval; | |
3416 | unsigned int i; | |
3417 | ||
3418 | for (i = 0; i < regcount; i++) { | |
3419 | regval = snd_soc_read(codec, regbase+i) & regwmask; | |
3420 | val |= regval << (regwshift*(regcount-i-1)); | |
3421 | } | |
3422 | val &= mask; | |
3423 | if (min < 0 && val > max) | |
3424 | val |= ~mask; | |
3425 | if (invert) | |
3426 | val = max - val; | |
3427 | ucontrol->value.integer.value[0] = val; | |
3428 | ||
3429 | return 0; | |
3430 | } | |
3431 | EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx); | |
3432 | ||
3433 | /** | |
3434 | * snd_soc_put_xr_sx - signed multi register get callback | |
3435 | * @kcontrol: mreg control | |
3436 | * @ucontrol: control element information | |
3437 | * | |
3438 | * Callback to set the value of a control that can span | |
3439 | * multiple codec registers which together forms a single | |
3440 | * signed value in a MSB/LSB manner. The control supports | |
3441 | * specifying total no of bits used to allow for bitfields | |
3442 | * across the multiple codec registers. | |
3443 | * | |
3444 | * Returns 0 for success. | |
3445 | */ | |
3446 | int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol, | |
3447 | struct snd_ctl_elem_value *ucontrol) | |
3448 | { | |
3449 | struct soc_mreg_control *mc = | |
3450 | (struct soc_mreg_control *)kcontrol->private_value; | |
3451 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3452 | unsigned int regbase = mc->regbase; | |
3453 | unsigned int regcount = mc->regcount; | |
3454 | unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE; | |
3455 | unsigned int regwmask = (1<<regwshift)-1; | |
3456 | unsigned int invert = mc->invert; | |
3457 | unsigned long mask = (1UL<<mc->nbits)-1; | |
4183eed2 KK |
3458 | long max = mc->max; |
3459 | long val = ucontrol->value.integer.value[0]; | |
3460 | unsigned int i, regval, regmask; | |
3461 | int err; | |
3462 | ||
3463 | if (invert) | |
3464 | val = max - val; | |
3465 | val &= mask; | |
3466 | for (i = 0; i < regcount; i++) { | |
3467 | regval = (val >> (regwshift*(regcount-i-1))) & regwmask; | |
3468 | regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask; | |
3469 | err = snd_soc_update_bits_locked(codec, regbase+i, | |
3470 | regmask, regval); | |
3471 | if (err < 0) | |
3472 | return err; | |
3473 | } | |
3474 | ||
3475 | return 0; | |
3476 | } | |
3477 | EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx); | |
3478 | ||
dd7b10b3 KK |
3479 | /** |
3480 | * snd_soc_get_strobe - strobe get callback | |
3481 | * @kcontrol: mixer control | |
3482 | * @ucontrol: control element information | |
3483 | * | |
3484 | * Callback get the value of a strobe mixer control. | |
3485 | * | |
3486 | * Returns 0 for success. | |
3487 | */ | |
3488 | int snd_soc_get_strobe(struct snd_kcontrol *kcontrol, | |
3489 | struct snd_ctl_elem_value *ucontrol) | |
3490 | { | |
3491 | struct soc_mixer_control *mc = | |
3492 | (struct soc_mixer_control *)kcontrol->private_value; | |
3493 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3494 | unsigned int reg = mc->reg; | |
3495 | unsigned int shift = mc->shift; | |
3496 | unsigned int mask = 1 << shift; | |
3497 | unsigned int invert = mc->invert != 0; | |
3498 | unsigned int val = snd_soc_read(codec, reg) & mask; | |
3499 | ||
3500 | if (shift != 0 && val != 0) | |
3501 | val = val >> shift; | |
3502 | ucontrol->value.enumerated.item[0] = val ^ invert; | |
3503 | ||
3504 | return 0; | |
3505 | } | |
3506 | EXPORT_SYMBOL_GPL(snd_soc_get_strobe); | |
3507 | ||
3508 | /** | |
3509 | * snd_soc_put_strobe - strobe put callback | |
3510 | * @kcontrol: mixer control | |
3511 | * @ucontrol: control element information | |
3512 | * | |
3513 | * Callback strobe a register bit to high then low (or the inverse) | |
3514 | * in one pass of a single mixer enum control. | |
3515 | * | |
3516 | * Returns 1 for success. | |
3517 | */ | |
3518 | int snd_soc_put_strobe(struct snd_kcontrol *kcontrol, | |
3519 | struct snd_ctl_elem_value *ucontrol) | |
3520 | { | |
3521 | struct soc_mixer_control *mc = | |
3522 | (struct soc_mixer_control *)kcontrol->private_value; | |
3523 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
3524 | unsigned int reg = mc->reg; | |
3525 | unsigned int shift = mc->shift; | |
3526 | unsigned int mask = 1 << shift; | |
3527 | unsigned int invert = mc->invert != 0; | |
3528 | unsigned int strobe = ucontrol->value.enumerated.item[0] != 0; | |
3529 | unsigned int val1 = (strobe ^ invert) ? mask : 0; | |
3530 | unsigned int val2 = (strobe ^ invert) ? 0 : mask; | |
3531 | int err; | |
3532 | ||
3533 | err = snd_soc_update_bits_locked(codec, reg, mask, val1); | |
3534 | if (err < 0) | |
3535 | return err; | |
3536 | ||
3537 | err = snd_soc_update_bits_locked(codec, reg, mask, val2); | |
3538 | return err; | |
3539 | } | |
3540 | EXPORT_SYMBOL_GPL(snd_soc_put_strobe); | |
3541 | ||
8c6529db LG |
3542 | /** |
3543 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. | |
3544 | * @dai: DAI | |
3545 | * @clk_id: DAI specific clock ID | |
3546 | * @freq: new clock frequency in Hz | |
3547 | * @dir: new clock direction - input/output. | |
3548 | * | |
3549 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. | |
3550 | */ | |
3551 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
3552 | unsigned int freq, int dir) | |
3553 | { | |
f0fba2ad LG |
3554 | if (dai->driver && dai->driver->ops->set_sysclk) |
3555 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); | |
ec4ee52a | 3556 | else if (dai->codec && dai->codec->driver->set_sysclk) |
da1c6ea6 | 3557 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0, |
ec4ee52a | 3558 | freq, dir); |
8c6529db | 3559 | else |
1104a9c8 | 3560 | return -ENOTSUPP; |
8c6529db LG |
3561 | } |
3562 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); | |
3563 | ||
ec4ee52a MB |
3564 | /** |
3565 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. | |
3566 | * @codec: CODEC | |
3567 | * @clk_id: DAI specific clock ID | |
da1c6ea6 | 3568 | * @source: Source for the clock |
ec4ee52a MB |
3569 | * @freq: new clock frequency in Hz |
3570 | * @dir: new clock direction - input/output. | |
3571 | * | |
3572 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. | |
3573 | */ | |
3574 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, | |
da1c6ea6 | 3575 | int source, unsigned int freq, int dir) |
ec4ee52a MB |
3576 | { |
3577 | if (codec->driver->set_sysclk) | |
da1c6ea6 MB |
3578 | return codec->driver->set_sysclk(codec, clk_id, source, |
3579 | freq, dir); | |
ec4ee52a | 3580 | else |
1104a9c8 | 3581 | return -ENOTSUPP; |
ec4ee52a MB |
3582 | } |
3583 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); | |
3584 | ||
8c6529db LG |
3585 | /** |
3586 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. | |
3587 | * @dai: DAI | |
ac11a2b3 | 3588 | * @div_id: DAI specific clock divider ID |
8c6529db LG |
3589 | * @div: new clock divisor. |
3590 | * | |
3591 | * Configures the clock dividers. This is used to derive the best DAI bit and | |
3592 | * frame clocks from the system or master clock. It's best to set the DAI bit | |
3593 | * and frame clocks as low as possible to save system power. | |
3594 | */ | |
3595 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, | |
3596 | int div_id, int div) | |
3597 | { | |
f0fba2ad LG |
3598 | if (dai->driver && dai->driver->ops->set_clkdiv) |
3599 | return dai->driver->ops->set_clkdiv(dai, div_id, div); | |
8c6529db LG |
3600 | else |
3601 | return -EINVAL; | |
3602 | } | |
3603 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); | |
3604 | ||
3605 | /** | |
3606 | * snd_soc_dai_set_pll - configure DAI PLL. | |
3607 | * @dai: DAI | |
3608 | * @pll_id: DAI specific PLL ID | |
85488037 | 3609 | * @source: DAI specific source for the PLL |
8c6529db LG |
3610 | * @freq_in: PLL input clock frequency in Hz |
3611 | * @freq_out: requested PLL output clock frequency in Hz | |
3612 | * | |
3613 | * Configures and enables PLL to generate output clock based on input clock. | |
3614 | */ | |
85488037 MB |
3615 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
3616 | unsigned int freq_in, unsigned int freq_out) | |
8c6529db | 3617 | { |
f0fba2ad LG |
3618 | if (dai->driver && dai->driver->ops->set_pll) |
3619 | return dai->driver->ops->set_pll(dai, pll_id, source, | |
85488037 | 3620 | freq_in, freq_out); |
ec4ee52a MB |
3621 | else if (dai->codec && dai->codec->driver->set_pll) |
3622 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, | |
3623 | freq_in, freq_out); | |
8c6529db LG |
3624 | else |
3625 | return -EINVAL; | |
3626 | } | |
3627 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); | |
3628 | ||
ec4ee52a MB |
3629 | /* |
3630 | * snd_soc_codec_set_pll - configure codec PLL. | |
3631 | * @codec: CODEC | |
3632 | * @pll_id: DAI specific PLL ID | |
3633 | * @source: DAI specific source for the PLL | |
3634 | * @freq_in: PLL input clock frequency in Hz | |
3635 | * @freq_out: requested PLL output clock frequency in Hz | |
3636 | * | |
3637 | * Configures and enables PLL to generate output clock based on input clock. | |
3638 | */ | |
3639 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, | |
3640 | unsigned int freq_in, unsigned int freq_out) | |
3641 | { | |
3642 | if (codec->driver->set_pll) | |
3643 | return codec->driver->set_pll(codec, pll_id, source, | |
3644 | freq_in, freq_out); | |
3645 | else | |
3646 | return -EINVAL; | |
3647 | } | |
3648 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); | |
3649 | ||
e54cf76b LG |
3650 | /** |
3651 | * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio. | |
3652 | * @dai: DAI | |
3653 | * @ratio Ratio of BCLK to Sample rate. | |
3654 | * | |
3655 | * Configures the DAI for a preset BCLK to sample rate ratio. | |
3656 | */ | |
3657 | int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio) | |
3658 | { | |
3659 | if (dai->driver && dai->driver->ops->set_bclk_ratio) | |
3660 | return dai->driver->ops->set_bclk_ratio(dai, ratio); | |
3661 | else | |
3662 | return -EINVAL; | |
3663 | } | |
3664 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio); | |
3665 | ||
8c6529db LG |
3666 | /** |
3667 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. | |
3668 | * @dai: DAI | |
8c6529db LG |
3669 | * @fmt: SND_SOC_DAIFMT_ format value. |
3670 | * | |
3671 | * Configures the DAI hardware format and clocking. | |
3672 | */ | |
3673 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
3674 | { | |
5e4ba569 | 3675 | if (dai->driver == NULL) |
8c6529db | 3676 | return -EINVAL; |
5e4ba569 SG |
3677 | if (dai->driver->ops->set_fmt == NULL) |
3678 | return -ENOTSUPP; | |
3679 | return dai->driver->ops->set_fmt(dai, fmt); | |
8c6529db LG |
3680 | } |
3681 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); | |
3682 | ||
89c67857 | 3683 | /** |
e5c21514 | 3684 | * snd_soc_xlate_tdm_slot - generate tx/rx slot mask. |
89c67857 XL |
3685 | * @slots: Number of slots in use. |
3686 | * @tx_mask: bitmask representing active TX slots. | |
3687 | * @rx_mask: bitmask representing active RX slots. | |
3688 | * | |
3689 | * Generates the TDM tx and rx slot default masks for DAI. | |
3690 | */ | |
e5c21514 | 3691 | static int snd_soc_xlate_tdm_slot_mask(unsigned int slots, |
89c67857 XL |
3692 | unsigned int *tx_mask, |
3693 | unsigned int *rx_mask) | |
3694 | { | |
3695 | if (*tx_mask || *rx_mask) | |
3696 | return 0; | |
3697 | ||
3698 | if (!slots) | |
3699 | return -EINVAL; | |
3700 | ||
3701 | *tx_mask = (1 << slots) - 1; | |
3702 | *rx_mask = (1 << slots) - 1; | |
3703 | ||
3704 | return 0; | |
3705 | } | |
3706 | ||
8c6529db LG |
3707 | /** |
3708 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. | |
3709 | * @dai: DAI | |
a5479e38 DR |
3710 | * @tx_mask: bitmask representing active TX slots. |
3711 | * @rx_mask: bitmask representing active RX slots. | |
8c6529db | 3712 | * @slots: Number of slots in use. |
a5479e38 | 3713 | * @slot_width: Width in bits for each slot. |
8c6529db LG |
3714 | * |
3715 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI | |
3716 | * specific. | |
3717 | */ | |
3718 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, | |
a5479e38 | 3719 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
8c6529db | 3720 | { |
e5c21514 XL |
3721 | if (dai->driver && dai->driver->ops->xlate_tdm_slot_mask) |
3722 | dai->driver->ops->xlate_tdm_slot_mask(slots, | |
89c67857 XL |
3723 | &tx_mask, &rx_mask); |
3724 | else | |
e5c21514 | 3725 | snd_soc_xlate_tdm_slot_mask(slots, &tx_mask, &rx_mask); |
89c67857 | 3726 | |
f0fba2ad LG |
3727 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
3728 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, | |
a5479e38 | 3729 | slots, slot_width); |
8c6529db | 3730 | else |
b2cbb6e1 | 3731 | return -ENOTSUPP; |
8c6529db LG |
3732 | } |
3733 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); | |
3734 | ||
472df3cb BS |
3735 | /** |
3736 | * snd_soc_dai_set_channel_map - configure DAI audio channel map | |
3737 | * @dai: DAI | |
3738 | * @tx_num: how many TX channels | |
3739 | * @tx_slot: pointer to an array which imply the TX slot number channel | |
3740 | * 0~num-1 uses | |
3741 | * @rx_num: how many RX channels | |
3742 | * @rx_slot: pointer to an array which imply the RX slot number channel | |
3743 | * 0~num-1 uses | |
3744 | * | |
3745 | * configure the relationship between channel number and TDM slot number. | |
3746 | */ | |
3747 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, | |
3748 | unsigned int tx_num, unsigned int *tx_slot, | |
3749 | unsigned int rx_num, unsigned int *rx_slot) | |
3750 | { | |
f0fba2ad LG |
3751 | if (dai->driver && dai->driver->ops->set_channel_map) |
3752 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, | |
472df3cb BS |
3753 | rx_num, rx_slot); |
3754 | else | |
3755 | return -EINVAL; | |
3756 | } | |
3757 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); | |
3758 | ||
8c6529db LG |
3759 | /** |
3760 | * snd_soc_dai_set_tristate - configure DAI system or master clock. | |
3761 | * @dai: DAI | |
3762 | * @tristate: tristate enable | |
3763 | * | |
3764 | * Tristates the DAI so that others can use it. | |
3765 | */ | |
3766 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) | |
3767 | { | |
f0fba2ad LG |
3768 | if (dai->driver && dai->driver->ops->set_tristate) |
3769 | return dai->driver->ops->set_tristate(dai, tristate); | |
8c6529db LG |
3770 | else |
3771 | return -EINVAL; | |
3772 | } | |
3773 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); | |
3774 | ||
3775 | /** | |
3776 | * snd_soc_dai_digital_mute - configure DAI system or master clock. | |
3777 | * @dai: DAI | |
3778 | * @mute: mute enable | |
da18396f | 3779 | * @direction: stream to mute |
8c6529db LG |
3780 | * |
3781 | * Mutes the DAI DAC. | |
3782 | */ | |
da18396f MB |
3783 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute, |
3784 | int direction) | |
8c6529db | 3785 | { |
da18396f MB |
3786 | if (!dai->driver) |
3787 | return -ENOTSUPP; | |
3788 | ||
3789 | if (dai->driver->ops->mute_stream) | |
3790 | return dai->driver->ops->mute_stream(dai, mute, direction); | |
3791 | else if (direction == SNDRV_PCM_STREAM_PLAYBACK && | |
3792 | dai->driver->ops->digital_mute) | |
f0fba2ad | 3793 | return dai->driver->ops->digital_mute(dai, mute); |
8c6529db | 3794 | else |
04570c62 | 3795 | return -ENOTSUPP; |
8c6529db LG |
3796 | } |
3797 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); | |
3798 | ||
c5af3a2e MB |
3799 | /** |
3800 | * snd_soc_register_card - Register a card with the ASoC core | |
3801 | * | |
ac11a2b3 | 3802 | * @card: Card to register |
c5af3a2e | 3803 | * |
c5af3a2e | 3804 | */ |
70a7ca34 | 3805 | int snd_soc_register_card(struct snd_soc_card *card) |
c5af3a2e | 3806 | { |
b19e6e7b | 3807 | int i, ret; |
f0fba2ad | 3808 | |
c5af3a2e MB |
3809 | if (!card->name || !card->dev) |
3810 | return -EINVAL; | |
3811 | ||
5a504963 SW |
3812 | for (i = 0; i < card->num_links; i++) { |
3813 | struct snd_soc_dai_link *link = &card->dai_link[i]; | |
3814 | ||
3815 | /* | |
3816 | * Codec must be specified by 1 of name or OF node, | |
3817 | * not both or neither. | |
3818 | */ | |
3819 | if (!!link->codec_name == !!link->codec_of_node) { | |
10e8aa9a MM |
3820 | dev_err(card->dev, |
3821 | "ASoC: Neither/both codec name/of_node are set for %s\n", | |
3822 | link->name); | |
5a504963 SW |
3823 | return -EINVAL; |
3824 | } | |
bc92657a SW |
3825 | /* Codec DAI name must be specified */ |
3826 | if (!link->codec_dai_name) { | |
10e8aa9a MM |
3827 | dev_err(card->dev, |
3828 | "ASoC: codec_dai_name not set for %s\n", | |
3829 | link->name); | |
bc92657a SW |
3830 | return -EINVAL; |
3831 | } | |
5a504963 SW |
3832 | |
3833 | /* | |
3834 | * Platform may be specified by either name or OF node, but | |
3835 | * can be left unspecified, and a dummy platform will be used. | |
3836 | */ | |
3837 | if (link->platform_name && link->platform_of_node) { | |
10e8aa9a MM |
3838 | dev_err(card->dev, |
3839 | "ASoC: Both platform name/of_node are set for %s\n", | |
3840 | link->name); | |
5a504963 SW |
3841 | return -EINVAL; |
3842 | } | |
3843 | ||
3844 | /* | |
bc92657a SW |
3845 | * CPU device may be specified by either name or OF node, but |
3846 | * can be left unspecified, and will be matched based on DAI | |
3847 | * name alone.. | |
3848 | */ | |
3849 | if (link->cpu_name && link->cpu_of_node) { | |
10e8aa9a MM |
3850 | dev_err(card->dev, |
3851 | "ASoC: Neither/both cpu name/of_node are set for %s\n", | |
3852 | link->name); | |
bc92657a SW |
3853 | return -EINVAL; |
3854 | } | |
3855 | /* | |
3856 | * At least one of CPU DAI name or CPU device name/node must be | |
3857 | * specified | |
5a504963 | 3858 | */ |
bc92657a SW |
3859 | if (!link->cpu_dai_name && |
3860 | !(link->cpu_name || link->cpu_of_node)) { | |
10e8aa9a MM |
3861 | dev_err(card->dev, |
3862 | "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n", | |
3863 | link->name); | |
5a504963 SW |
3864 | return -EINVAL; |
3865 | } | |
3866 | } | |
3867 | ||
ed77cc12 MB |
3868 | dev_set_drvdata(card->dev, card); |
3869 | ||
111c6419 SW |
3870 | snd_soc_initialize_card_lists(card); |
3871 | ||
150dd2f8 VK |
3872 | soc_init_card_debugfs(card); |
3873 | ||
181a6892 MB |
3874 | card->rtd = devm_kzalloc(card->dev, |
3875 | sizeof(struct snd_soc_pcm_runtime) * | |
3876 | (card->num_links + card->num_aux_devs), | |
3877 | GFP_KERNEL); | |
f0fba2ad LG |
3878 | if (card->rtd == NULL) |
3879 | return -ENOMEM; | |
a7dbb603 | 3880 | card->num_rtd = 0; |
2eea392d | 3881 | card->rtd_aux = &card->rtd[card->num_links]; |
f0fba2ad LG |
3882 | |
3883 | for (i = 0; i < card->num_links; i++) | |
3884 | card->rtd[i].dai_link = &card->dai_link[i]; | |
3885 | ||
c5af3a2e | 3886 | INIT_LIST_HEAD(&card->list); |
db432b41 | 3887 | INIT_LIST_HEAD(&card->dapm_dirty); |
c5af3a2e | 3888 | card->instantiated = 0; |
f0fba2ad | 3889 | mutex_init(&card->mutex); |
a73fb2df | 3890 | mutex_init(&card->dapm_mutex); |
c5af3a2e | 3891 | |
b19e6e7b MB |
3892 | ret = snd_soc_instantiate_card(card); |
3893 | if (ret != 0) | |
3894 | soc_cleanup_card_debugfs(card); | |
c5af3a2e | 3895 | |
988e8cc4 NC |
3896 | /* deactivate pins to sleep state */ |
3897 | for (i = 0; i < card->num_rtd; i++) { | |
3898 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; | |
3899 | struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai; | |
3900 | if (!codec_dai->active) | |
3901 | pinctrl_pm_select_sleep_state(codec_dai->dev); | |
3902 | if (!cpu_dai->active) | |
3903 | pinctrl_pm_select_sleep_state(cpu_dai->dev); | |
3904 | } | |
3905 | ||
b19e6e7b | 3906 | return ret; |
c5af3a2e | 3907 | } |
70a7ca34 | 3908 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
c5af3a2e MB |
3909 | |
3910 | /** | |
3911 | * snd_soc_unregister_card - Unregister a card with the ASoC core | |
3912 | * | |
ac11a2b3 | 3913 | * @card: Card to unregister |
c5af3a2e | 3914 | * |
c5af3a2e | 3915 | */ |
70a7ca34 | 3916 | int snd_soc_unregister_card(struct snd_soc_card *card) |
c5af3a2e | 3917 | { |
b0e26485 VK |
3918 | if (card->instantiated) |
3919 | soc_cleanup_card_resources(card); | |
f110bfc7 | 3920 | dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name); |
c5af3a2e MB |
3921 | |
3922 | return 0; | |
3923 | } | |
70a7ca34 | 3924 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
c5af3a2e | 3925 | |
f0fba2ad LG |
3926 | /* |
3927 | * Simplify DAI link configuration by removing ".-1" from device names | |
3928 | * and sanitizing names. | |
3929 | */ | |
0b9a214a | 3930 | static char *fmt_single_name(struct device *dev, int *id) |
f0fba2ad LG |
3931 | { |
3932 | char *found, name[NAME_SIZE]; | |
3933 | int id1, id2; | |
3934 | ||
3935 | if (dev_name(dev) == NULL) | |
3936 | return NULL; | |
3937 | ||
58818a77 | 3938 | strlcpy(name, dev_name(dev), NAME_SIZE); |
f0fba2ad LG |
3939 | |
3940 | /* are we a "%s.%d" name (platform and SPI components) */ | |
3941 | found = strstr(name, dev->driver->name); | |
3942 | if (found) { | |
3943 | /* get ID */ | |
3944 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { | |
3945 | ||
3946 | /* discard ID from name if ID == -1 */ | |
3947 | if (*id == -1) | |
3948 | found[strlen(dev->driver->name)] = '\0'; | |
3949 | } | |
3950 | ||
3951 | } else { | |
3952 | /* I2C component devices are named "bus-addr" */ | |
3953 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { | |
3954 | char tmp[NAME_SIZE]; | |
3955 | ||
3956 | /* create unique ID number from I2C addr and bus */ | |
05899446 | 3957 | *id = ((id1 & 0xffff) << 16) + id2; |
f0fba2ad LG |
3958 | |
3959 | /* sanitize component name for DAI link creation */ | |
3960 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); | |
58818a77 | 3961 | strlcpy(name, tmp, NAME_SIZE); |
f0fba2ad LG |
3962 | } else |
3963 | *id = 0; | |
3964 | } | |
3965 | ||
3966 | return kstrdup(name, GFP_KERNEL); | |
3967 | } | |
3968 | ||
3969 | /* | |
3970 | * Simplify DAI link naming for single devices with multiple DAIs by removing | |
3971 | * any ".-1" and using the DAI name (instead of device name). | |
3972 | */ | |
3973 | static inline char *fmt_multiple_name(struct device *dev, | |
3974 | struct snd_soc_dai_driver *dai_drv) | |
3975 | { | |
3976 | if (dai_drv->name == NULL) { | |
10e8aa9a MM |
3977 | dev_err(dev, |
3978 | "ASoC: error - multiple DAI %s registered with no name\n", | |
3979 | dev_name(dev)); | |
f0fba2ad LG |
3980 | return NULL; |
3981 | } | |
3982 | ||
3983 | return kstrdup(dai_drv->name, GFP_KERNEL); | |
3984 | } | |
3985 | ||
9115171a | 3986 | /** |
32c9ba54 | 3987 | * snd_soc_unregister_dai - Unregister DAIs from the ASoC core |
9115171a | 3988 | * |
32c9ba54 | 3989 | * @component: The component for which the DAIs should be unregistered |
9115171a | 3990 | */ |
32c9ba54 | 3991 | static void snd_soc_unregister_dais(struct snd_soc_component *component) |
9115171a | 3992 | { |
5c1d5f09 | 3993 | struct snd_soc_dai *dai, *_dai; |
9115171a | 3994 | |
5c1d5f09 | 3995 | list_for_each_entry_safe(dai, _dai, &component->dai_list, list) { |
32c9ba54 LPC |
3996 | dev_dbg(component->dev, "ASoC: Unregistered DAI '%s'\n", |
3997 | dai->name); | |
5c1d5f09 | 3998 | list_del(&dai->list); |
32c9ba54 | 3999 | kfree(dai->name); |
f0fba2ad | 4000 | kfree(dai); |
f0fba2ad | 4001 | } |
9115171a | 4002 | } |
9115171a MB |
4003 | |
4004 | /** | |
32c9ba54 | 4005 | * snd_soc_register_dais - Register a DAI with the ASoC core |
9115171a | 4006 | * |
6106d129 | 4007 | * @component: The component the DAIs are registered for |
6cc240f3 LPC |
4008 | * @codec: The CODEC that the DAIs are registered for, NULL if the component is |
4009 | * not a CODEC. | |
6106d129 | 4010 | * @dai_drv: DAI driver to use for the DAIs |
ac11a2b3 | 4011 | * @count: Number of DAIs |
32c9ba54 LPC |
4012 | * @legacy_dai_naming: Use the legacy naming scheme and let the DAI inherit the |
4013 | * parent's name. | |
9115171a | 4014 | */ |
6106d129 | 4015 | static int snd_soc_register_dais(struct snd_soc_component *component, |
6cc240f3 LPC |
4016 | struct snd_soc_codec *codec, struct snd_soc_dai_driver *dai_drv, |
4017 | size_t count, bool legacy_dai_naming) | |
9115171a | 4018 | { |
6106d129 | 4019 | struct device *dev = component->dev; |
f0fba2ad | 4020 | struct snd_soc_dai *dai; |
32c9ba54 LPC |
4021 | unsigned int i; |
4022 | int ret; | |
f0fba2ad | 4023 | |
f110bfc7 | 4024 | dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count); |
9115171a MB |
4025 | |
4026 | for (i = 0; i < count; i++) { | |
f0fba2ad LG |
4027 | |
4028 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); | |
c46e0079 AL |
4029 | if (dai == NULL) { |
4030 | ret = -ENOMEM; | |
4031 | goto err; | |
4032 | } | |
f0fba2ad | 4033 | |
32c9ba54 LPC |
4034 | /* |
4035 | * Back in the old days when we still had component-less DAIs, | |
4036 | * instead of having a static name, component-less DAIs would | |
4037 | * inherit the name of the parent device so it is possible to | |
4038 | * register multiple instances of the DAI. We still need to keep | |
4039 | * the same naming style even though those DAIs are not | |
4040 | * component-less anymore. | |
4041 | */ | |
4042 | if (count == 1 && legacy_dai_naming) { | |
4043 | dai->name = fmt_single_name(dev, &dai->id); | |
4044 | } else { | |
4045 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); | |
4046 | if (dai_drv[i].id) | |
4047 | dai->id = dai_drv[i].id; | |
4048 | else | |
4049 | dai->id = i; | |
4050 | } | |
f0fba2ad LG |
4051 | if (dai->name == NULL) { |
4052 | kfree(dai); | |
32c9ba54 | 4053 | ret = -ENOMEM; |
9115171a | 4054 | goto err; |
f0fba2ad LG |
4055 | } |
4056 | ||
6106d129 | 4057 | dai->component = component; |
6cc240f3 | 4058 | dai->codec = codec; |
f0fba2ad | 4059 | dai->dev = dev; |
f0fba2ad | 4060 | dai->driver = &dai_drv[i]; |
be09ad90 | 4061 | dai->dapm.dev = dev; |
f0fba2ad LG |
4062 | if (!dai->driver->ops) |
4063 | dai->driver->ops = &null_dai_ops; | |
4064 | ||
5f800080 PU |
4065 | if (!dai->codec) |
4066 | dai->dapm.idle_bias_off = 1; | |
4067 | ||
1438c2f6 | 4068 | list_add(&dai->list, &component->dai_list); |
054880fe | 4069 | |
32c9ba54 | 4070 | dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name); |
9115171a MB |
4071 | } |
4072 | ||
4073 | return 0; | |
4074 | ||
4075 | err: | |
32c9ba54 | 4076 | snd_soc_unregister_dais(component); |
9115171a MB |
4077 | |
4078 | return ret; | |
4079 | } | |
9115171a | 4080 | |
d191bd8d KM |
4081 | /** |
4082 | * snd_soc_register_component - Register a component with the ASoC core | |
4083 | * | |
4084 | */ | |
4085 | static int | |
4086 | __snd_soc_register_component(struct device *dev, | |
4087 | struct snd_soc_component *cmpnt, | |
4088 | const struct snd_soc_component_driver *cmpnt_drv, | |
6cc240f3 | 4089 | struct snd_soc_codec *codec, |
d191bd8d KM |
4090 | struct snd_soc_dai_driver *dai_drv, |
4091 | int num_dai, bool allow_single_dai) | |
4092 | { | |
4093 | int ret; | |
4094 | ||
4095 | dev_dbg(dev, "component register %s\n", dev_name(dev)); | |
4096 | ||
4097 | if (!cmpnt) { | |
4098 | dev_err(dev, "ASoC: Failed to connecting component\n"); | |
4099 | return -ENOMEM; | |
4100 | } | |
4101 | ||
4102 | cmpnt->name = fmt_single_name(dev, &cmpnt->id); | |
4103 | if (!cmpnt->name) { | |
4104 | dev_err(dev, "ASoC: Failed to simplifying name\n"); | |
4105 | return -ENOMEM; | |
4106 | } | |
4107 | ||
4108 | cmpnt->dev = dev; | |
4109 | cmpnt->driver = cmpnt_drv; | |
6833c452 | 4110 | cmpnt->dai_drv = dai_drv; |
d191bd8d | 4111 | cmpnt->num_dai = num_dai; |
1438c2f6 | 4112 | INIT_LIST_HEAD(&cmpnt->dai_list); |
d191bd8d | 4113 | |
6cc240f3 LPC |
4114 | ret = snd_soc_register_dais(cmpnt, codec, dai_drv, num_dai, |
4115 | allow_single_dai); | |
d191bd8d KM |
4116 | if (ret < 0) { |
4117 | dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret); | |
4118 | goto error_component_name; | |
4119 | } | |
4120 | ||
4121 | mutex_lock(&client_mutex); | |
4122 | list_add(&cmpnt->list, &component_list); | |
4123 | mutex_unlock(&client_mutex); | |
4124 | ||
4125 | dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name); | |
4126 | ||
4127 | return ret; | |
4128 | ||
4129 | error_component_name: | |
4130 | kfree(cmpnt->name); | |
4131 | ||
4132 | return ret; | |
4133 | } | |
4134 | ||
4135 | int snd_soc_register_component(struct device *dev, | |
4136 | const struct snd_soc_component_driver *cmpnt_drv, | |
4137 | struct snd_soc_dai_driver *dai_drv, | |
4138 | int num_dai) | |
4139 | { | |
4140 | struct snd_soc_component *cmpnt; | |
4141 | ||
4142 | cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL); | |
4143 | if (!cmpnt) { | |
4144 | dev_err(dev, "ASoC: Failed to allocate memory\n"); | |
4145 | return -ENOMEM; | |
4146 | } | |
4147 | ||
3d59400f LPC |
4148 | cmpnt->ignore_pmdown_time = true; |
4149 | ||
6cc240f3 | 4150 | return __snd_soc_register_component(dev, cmpnt, cmpnt_drv, NULL, |
d191bd8d KM |
4151 | dai_drv, num_dai, true); |
4152 | } | |
4153 | EXPORT_SYMBOL_GPL(snd_soc_register_component); | |
4154 | ||
4155 | /** | |
4156 | * snd_soc_unregister_component - Unregister a component from the ASoC core | |
4157 | * | |
4158 | */ | |
4159 | void snd_soc_unregister_component(struct device *dev) | |
4160 | { | |
4161 | struct snd_soc_component *cmpnt; | |
4162 | ||
4163 | list_for_each_entry(cmpnt, &component_list, list) { | |
4164 | if (dev == cmpnt->dev) | |
4165 | goto found; | |
4166 | } | |
4167 | return; | |
4168 | ||
4169 | found: | |
32c9ba54 | 4170 | snd_soc_unregister_dais(cmpnt); |
d191bd8d KM |
4171 | |
4172 | mutex_lock(&client_mutex); | |
4173 | list_del(&cmpnt->list); | |
4174 | mutex_unlock(&client_mutex); | |
4175 | ||
4176 | dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name); | |
4177 | kfree(cmpnt->name); | |
4178 | } | |
4179 | EXPORT_SYMBOL_GPL(snd_soc_unregister_component); | |
4180 | ||
12a48a8c | 4181 | /** |
71a45cda LPC |
4182 | * snd_soc_add_platform - Add a platform to the ASoC core |
4183 | * @dev: The parent device for the platform | |
4184 | * @platform: The platform to add | |
4185 | * @platform_driver: The driver for the platform | |
12a48a8c | 4186 | */ |
71a45cda | 4187 | int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform, |
d79e57db | 4188 | const struct snd_soc_platform_driver *platform_drv) |
12a48a8c | 4189 | { |
f0fba2ad LG |
4190 | /* create platform component name */ |
4191 | platform->name = fmt_single_name(dev, &platform->id); | |
b5c745fb | 4192 | if (platform->name == NULL) |
f0fba2ad | 4193 | return -ENOMEM; |
12a48a8c | 4194 | |
f0fba2ad LG |
4195 | platform->dev = dev; |
4196 | platform->driver = platform_drv; | |
b7950641 LG |
4197 | platform->dapm.dev = dev; |
4198 | platform->dapm.platform = platform; | |
64a648c2 | 4199 | platform->dapm.stream_event = platform_drv->stream_event; |
cc22d37e | 4200 | mutex_init(&platform->mutex); |
12a48a8c MB |
4201 | |
4202 | mutex_lock(&client_mutex); | |
4203 | list_add(&platform->list, &platform_list); | |
4204 | mutex_unlock(&client_mutex); | |
4205 | ||
f110bfc7 | 4206 | dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name); |
12a48a8c MB |
4207 | |
4208 | return 0; | |
4209 | } | |
71a45cda | 4210 | EXPORT_SYMBOL_GPL(snd_soc_add_platform); |
12a48a8c MB |
4211 | |
4212 | /** | |
71a45cda | 4213 | * snd_soc_register_platform - Register a platform with the ASoC core |
12a48a8c | 4214 | * |
71a45cda | 4215 | * @platform: platform to register |
12a48a8c | 4216 | */ |
71a45cda LPC |
4217 | int snd_soc_register_platform(struct device *dev, |
4218 | const struct snd_soc_platform_driver *platform_drv) | |
12a48a8c | 4219 | { |
f0fba2ad | 4220 | struct snd_soc_platform *platform; |
71a45cda | 4221 | int ret; |
f0fba2ad | 4222 | |
71a45cda | 4223 | dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev)); |
f0fba2ad | 4224 | |
71a45cda LPC |
4225 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
4226 | if (platform == NULL) | |
4227 | return -ENOMEM; | |
4228 | ||
4229 | ret = snd_soc_add_platform(dev, platform, platform_drv); | |
4230 | if (ret) | |
4231 | kfree(platform); | |
4232 | ||
4233 | return ret; | |
4234 | } | |
4235 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); | |
4236 | ||
4237 | /** | |
4238 | * snd_soc_remove_platform - Remove a platform from the ASoC core | |
4239 | * @platform: the platform to remove | |
4240 | */ | |
4241 | void snd_soc_remove_platform(struct snd_soc_platform *platform) | |
4242 | { | |
12a48a8c MB |
4243 | mutex_lock(&client_mutex); |
4244 | list_del(&platform->list); | |
4245 | mutex_unlock(&client_mutex); | |
4246 | ||
71a45cda LPC |
4247 | dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n", |
4248 | platform->name); | |
f0fba2ad | 4249 | kfree(platform->name); |
71a45cda LPC |
4250 | } |
4251 | EXPORT_SYMBOL_GPL(snd_soc_remove_platform); | |
4252 | ||
4253 | struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev) | |
4254 | { | |
4255 | struct snd_soc_platform *platform; | |
4256 | ||
4257 | list_for_each_entry(platform, &platform_list, list) { | |
4258 | if (dev == platform->dev) | |
4259 | return platform; | |
4260 | } | |
4261 | ||
4262 | return NULL; | |
4263 | } | |
4264 | EXPORT_SYMBOL_GPL(snd_soc_lookup_platform); | |
4265 | ||
4266 | /** | |
4267 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core | |
4268 | * | |
4269 | * @platform: platform to unregister | |
4270 | */ | |
4271 | void snd_soc_unregister_platform(struct device *dev) | |
4272 | { | |
4273 | struct snd_soc_platform *platform; | |
4274 | ||
4275 | platform = snd_soc_lookup_platform(dev); | |
4276 | if (!platform) | |
4277 | return; | |
4278 | ||
4279 | snd_soc_remove_platform(platform); | |
f0fba2ad | 4280 | kfree(platform); |
12a48a8c MB |
4281 | } |
4282 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); | |
4283 | ||
151ab22c MB |
4284 | static u64 codec_format_map[] = { |
4285 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, | |
4286 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, | |
4287 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, | |
4288 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, | |
4289 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, | |
4290 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, | |
4291 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4292 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, | |
4293 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, | |
4294 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, | |
4295 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, | |
4296 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, | |
4297 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, | |
4298 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, | |
4299 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE | |
4300 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, | |
4301 | }; | |
4302 | ||
4303 | /* Fix up the DAI formats for endianness: codecs don't actually see | |
4304 | * the endianness of the data but we're using the CPU format | |
4305 | * definitions which do need to include endianness so we ensure that | |
4306 | * codec DAIs always have both big and little endian variants set. | |
4307 | */ | |
4308 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) | |
4309 | { | |
4310 | int i; | |
4311 | ||
4312 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) | |
4313 | if (stream->formats & codec_format_map[i]) | |
4314 | stream->formats |= codec_format_map[i]; | |
4315 | } | |
4316 | ||
0d0cf00a MB |
4317 | /** |
4318 | * snd_soc_register_codec - Register a codec with the ASoC core | |
4319 | * | |
ac11a2b3 | 4320 | * @codec: codec to register |
0d0cf00a | 4321 | */ |
f0fba2ad | 4322 | int snd_soc_register_codec(struct device *dev, |
001ae4c0 MB |
4323 | const struct snd_soc_codec_driver *codec_drv, |
4324 | struct snd_soc_dai_driver *dai_drv, | |
4325 | int num_dai) | |
0d0cf00a | 4326 | { |
f0fba2ad LG |
4327 | struct snd_soc_codec *codec; |
4328 | int ret, i; | |
151ab22c | 4329 | |
f0fba2ad LG |
4330 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
4331 | ||
4332 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); | |
4333 | if (codec == NULL) | |
4334 | return -ENOMEM; | |
0d0cf00a | 4335 | |
f0fba2ad LG |
4336 | /* create CODEC component name */ |
4337 | codec->name = fmt_single_name(dev, &codec->id); | |
4338 | if (codec->name == NULL) { | |
f790b94d KM |
4339 | ret = -ENOMEM; |
4340 | goto fail_codec; | |
f0fba2ad LG |
4341 | } |
4342 | ||
c3acec26 MB |
4343 | codec->write = codec_drv->write; |
4344 | codec->read = codec_drv->read; | |
1500b7b5 DP |
4345 | codec->volatile_register = codec_drv->volatile_register; |
4346 | codec->readable_register = codec_drv->readable_register; | |
8020454c | 4347 | codec->writable_register = codec_drv->writable_register; |
3d59400f | 4348 | codec->component.ignore_pmdown_time = codec_drv->ignore_pmdown_time; |
ce6120cc LG |
4349 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
4350 | codec->dapm.dev = dev; | |
4351 | codec->dapm.codec = codec; | |
474b62d6 | 4352 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
64a648c2 | 4353 | codec->dapm.stream_event = codec_drv->stream_event; |
7a30a3db DP |
4354 | codec->dev = dev; |
4355 | codec->driver = codec_drv; | |
4356 | codec->num_dai = num_dai; | |
4357 | mutex_init(&codec->mutex); | |
ce6120cc | 4358 | |
f0fba2ad LG |
4359 | for (i = 0; i < num_dai; i++) { |
4360 | fixup_codec_formats(&dai_drv[i].playback); | |
4361 | fixup_codec_formats(&dai_drv[i].capture); | |
4362 | } | |
4363 | ||
054880fe MB |
4364 | mutex_lock(&client_mutex); |
4365 | list_add(&codec->list, &codec_list); | |
4366 | mutex_unlock(&client_mutex); | |
4367 | ||
d191bd8d KM |
4368 | /* register component */ |
4369 | ret = __snd_soc_register_component(dev, &codec->component, | |
4370 | &codec_drv->component_driver, | |
6cc240f3 | 4371 | codec, dai_drv, num_dai, false); |
5acd7dfb | 4372 | if (ret < 0) { |
d191bd8d | 4373 | dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret); |
5acd7dfb | 4374 | goto fail_codec_name; |
26b01ccd | 4375 | } |
f0fba2ad | 4376 | |
f110bfc7 | 4377 | dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name); |
0d0cf00a | 4378 | return 0; |
f0fba2ad | 4379 | |
f790b94d | 4380 | fail_codec_name: |
e1328a83 KM |
4381 | mutex_lock(&client_mutex); |
4382 | list_del(&codec->list); | |
4383 | mutex_unlock(&client_mutex); | |
4384 | ||
f0fba2ad | 4385 | kfree(codec->name); |
f790b94d | 4386 | fail_codec: |
f0fba2ad LG |
4387 | kfree(codec); |
4388 | return ret; | |
0d0cf00a MB |
4389 | } |
4390 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); | |
4391 | ||
4392 | /** | |
4393 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core | |
4394 | * | |
ac11a2b3 | 4395 | * @codec: codec to unregister |
0d0cf00a | 4396 | */ |
f0fba2ad | 4397 | void snd_soc_unregister_codec(struct device *dev) |
0d0cf00a | 4398 | { |
f0fba2ad | 4399 | struct snd_soc_codec *codec; |
f0fba2ad LG |
4400 | |
4401 | list_for_each_entry(codec, &codec_list, list) { | |
4402 | if (dev == codec->dev) | |
4403 | goto found; | |
4404 | } | |
4405 | return; | |
4406 | ||
4407 | found: | |
d191bd8d | 4408 | snd_soc_unregister_component(dev); |
f0fba2ad | 4409 | |
0d0cf00a MB |
4410 | mutex_lock(&client_mutex); |
4411 | list_del(&codec->list); | |
4412 | mutex_unlock(&client_mutex); | |
4413 | ||
f110bfc7 | 4414 | dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name); |
f0fba2ad | 4415 | |
7a30a3db | 4416 | snd_soc_cache_exit(codec); |
1aafcd4d | 4417 | kfree(codec->name); |
f0fba2ad | 4418 | kfree(codec); |
0d0cf00a MB |
4419 | } |
4420 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); | |
4421 | ||
bec4fa05 SW |
4422 | /* Retrieve a card's name from device tree */ |
4423 | int snd_soc_of_parse_card_name(struct snd_soc_card *card, | |
4424 | const char *propname) | |
4425 | { | |
4426 | struct device_node *np = card->dev->of_node; | |
4427 | int ret; | |
4428 | ||
4429 | ret = of_property_read_string_index(np, propname, 0, &card->name); | |
4430 | /* | |
4431 | * EINVAL means the property does not exist. This is fine providing | |
4432 | * card->name was previously set, which is checked later in | |
4433 | * snd_soc_register_card. | |
4434 | */ | |
4435 | if (ret < 0 && ret != -EINVAL) { | |
4436 | dev_err(card->dev, | |
f110bfc7 | 4437 | "ASoC: Property '%s' could not be read: %d\n", |
bec4fa05 SW |
4438 | propname, ret); |
4439 | return ret; | |
4440 | } | |
4441 | ||
4442 | return 0; | |
4443 | } | |
4444 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name); | |
4445 | ||
9a6d4860 XL |
4446 | static const struct snd_soc_dapm_widget simple_widgets[] = { |
4447 | SND_SOC_DAPM_MIC("Microphone", NULL), | |
4448 | SND_SOC_DAPM_LINE("Line", NULL), | |
4449 | SND_SOC_DAPM_HP("Headphone", NULL), | |
4450 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
4451 | }; | |
4452 | ||
4453 | int snd_soc_of_parse_audio_simple_widgets(struct snd_soc_card *card, | |
4454 | const char *propname) | |
4455 | { | |
4456 | struct device_node *np = card->dev->of_node; | |
4457 | struct snd_soc_dapm_widget *widgets; | |
4458 | const char *template, *wname; | |
4459 | int i, j, num_widgets, ret; | |
4460 | ||
4461 | num_widgets = of_property_count_strings(np, propname); | |
4462 | if (num_widgets < 0) { | |
4463 | dev_err(card->dev, | |
4464 | "ASoC: Property '%s' does not exist\n", propname); | |
4465 | return -EINVAL; | |
4466 | } | |
4467 | if (num_widgets & 1) { | |
4468 | dev_err(card->dev, | |
4469 | "ASoC: Property '%s' length is not even\n", propname); | |
4470 | return -EINVAL; | |
4471 | } | |
4472 | ||
4473 | num_widgets /= 2; | |
4474 | if (!num_widgets) { | |
4475 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", | |
4476 | propname); | |
4477 | return -EINVAL; | |
4478 | } | |
4479 | ||
4480 | widgets = devm_kcalloc(card->dev, num_widgets, sizeof(*widgets), | |
4481 | GFP_KERNEL); | |
4482 | if (!widgets) { | |
4483 | dev_err(card->dev, | |
4484 | "ASoC: Could not allocate memory for widgets\n"); | |
4485 | return -ENOMEM; | |
4486 | } | |
4487 | ||
4488 | for (i = 0; i < num_widgets; i++) { | |
4489 | ret = of_property_read_string_index(np, propname, | |
4490 | 2 * i, &template); | |
4491 | if (ret) { | |
4492 | dev_err(card->dev, | |
4493 | "ASoC: Property '%s' index %d read error:%d\n", | |
4494 | propname, 2 * i, ret); | |
4495 | return -EINVAL; | |
4496 | } | |
4497 | ||
4498 | for (j = 0; j < ARRAY_SIZE(simple_widgets); j++) { | |
4499 | if (!strncmp(template, simple_widgets[j].name, | |
4500 | strlen(simple_widgets[j].name))) { | |
4501 | widgets[i] = simple_widgets[j]; | |
4502 | break; | |
4503 | } | |
4504 | } | |
4505 | ||
4506 | if (j >= ARRAY_SIZE(simple_widgets)) { | |
4507 | dev_err(card->dev, | |
4508 | "ASoC: DAPM widget '%s' is not supported\n", | |
4509 | template); | |
4510 | return -EINVAL; | |
4511 | } | |
4512 | ||
4513 | ret = of_property_read_string_index(np, propname, | |
4514 | (2 * i) + 1, | |
4515 | &wname); | |
4516 | if (ret) { | |
4517 | dev_err(card->dev, | |
4518 | "ASoC: Property '%s' index %d read error:%d\n", | |
4519 | propname, (2 * i) + 1, ret); | |
4520 | return -EINVAL; | |
4521 | } | |
4522 | ||
4523 | widgets[i].name = wname; | |
4524 | } | |
4525 | ||
4526 | card->dapm_widgets = widgets; | |
4527 | card->num_dapm_widgets = num_widgets; | |
4528 | ||
4529 | return 0; | |
4530 | } | |
4531 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_simple_widgets); | |
4532 | ||
89c67857 XL |
4533 | int snd_soc_of_parse_tdm_slot(struct device_node *np, |
4534 | unsigned int *slots, | |
4535 | unsigned int *slot_width) | |
4536 | { | |
4537 | u32 val; | |
4538 | int ret; | |
4539 | ||
4540 | if (of_property_read_bool(np, "dai-tdm-slot-num")) { | |
4541 | ret = of_property_read_u32(np, "dai-tdm-slot-num", &val); | |
4542 | if (ret) | |
4543 | return ret; | |
4544 | ||
4545 | if (slots) | |
4546 | *slots = val; | |
4547 | } | |
4548 | ||
4549 | if (of_property_read_bool(np, "dai-tdm-slot-width")) { | |
4550 | ret = of_property_read_u32(np, "dai-tdm-slot-width", &val); | |
4551 | if (ret) | |
4552 | return ret; | |
4553 | ||
4554 | if (slot_width) | |
4555 | *slot_width = val; | |
4556 | } | |
4557 | ||
4558 | return 0; | |
4559 | } | |
4560 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_tdm_slot); | |
4561 | ||
a4a54dd5 SW |
4562 | int snd_soc_of_parse_audio_routing(struct snd_soc_card *card, |
4563 | const char *propname) | |
4564 | { | |
4565 | struct device_node *np = card->dev->of_node; | |
4566 | int num_routes; | |
4567 | struct snd_soc_dapm_route *routes; | |
4568 | int i, ret; | |
4569 | ||
4570 | num_routes = of_property_count_strings(np, propname); | |
c34ce320 | 4571 | if (num_routes < 0 || num_routes & 1) { |
10e8aa9a MM |
4572 | dev_err(card->dev, |
4573 | "ASoC: Property '%s' does not exist or its length is not even\n", | |
4574 | propname); | |
a4a54dd5 SW |
4575 | return -EINVAL; |
4576 | } | |
4577 | num_routes /= 2; | |
4578 | if (!num_routes) { | |
f110bfc7 | 4579 | dev_err(card->dev, "ASoC: Property '%s's length is zero\n", |
a4a54dd5 SW |
4580 | propname); |
4581 | return -EINVAL; | |
4582 | } | |
4583 | ||
4584 | routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes), | |
4585 | GFP_KERNEL); | |
4586 | if (!routes) { | |
4587 | dev_err(card->dev, | |
f110bfc7 | 4588 | "ASoC: Could not allocate DAPM route table\n"); |
a4a54dd5 SW |
4589 | return -EINVAL; |
4590 | } | |
4591 | ||
4592 | for (i = 0; i < num_routes; i++) { | |
4593 | ret = of_property_read_string_index(np, propname, | |
4594 | 2 * i, &routes[i].sink); | |
4595 | if (ret) { | |
c871bd0b MB |
4596 | dev_err(card->dev, |
4597 | "ASoC: Property '%s' index %d could not be read: %d\n", | |
4598 | propname, 2 * i, ret); | |
a4a54dd5 SW |
4599 | return -EINVAL; |
4600 | } | |
4601 | ret = of_property_read_string_index(np, propname, | |
4602 | (2 * i) + 1, &routes[i].source); | |
4603 | if (ret) { | |
4604 | dev_err(card->dev, | |
c871bd0b MB |
4605 | "ASoC: Property '%s' index %d could not be read: %d\n", |
4606 | propname, (2 * i) + 1, ret); | |
a4a54dd5 SW |
4607 | return -EINVAL; |
4608 | } | |
4609 | } | |
4610 | ||
4611 | card->num_dapm_routes = num_routes; | |
4612 | card->dapm_routes = routes; | |
4613 | ||
4614 | return 0; | |
4615 | } | |
4616 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing); | |
4617 | ||
a7930ed4 KM |
4618 | unsigned int snd_soc_of_parse_daifmt(struct device_node *np, |
4619 | const char *prefix) | |
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); | |
4702 | ||
4703 | snprintf(prop, sizeof(prop), "%sframe-master", prefix); | |
4704 | frame = !!of_get_property(np, prop, NULL); | |
4705 | ||
4706 | switch ((bit << 4) + frame) { | |
4707 | case 0x11: | |
4708 | format |= SND_SOC_DAIFMT_CBM_CFM; | |
4709 | break; | |
4710 | case 0x10: | |
4711 | format |= SND_SOC_DAIFMT_CBM_CFS; | |
4712 | break; | |
4713 | case 0x01: | |
4714 | format |= SND_SOC_DAIFMT_CBS_CFM; | |
4715 | break; | |
4716 | default: | |
4717 | format |= SND_SOC_DAIFMT_CBS_CFS; | |
4718 | break; | |
4719 | } | |
4720 | ||
4721 | return format; | |
4722 | } | |
4723 | EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt); | |
4724 | ||
cb470087 KM |
4725 | int snd_soc_of_get_dai_name(struct device_node *of_node, |
4726 | const char **dai_name) | |
4727 | { | |
4728 | struct snd_soc_component *pos; | |
4729 | struct of_phandle_args args; | |
4730 | int ret; | |
4731 | ||
4732 | ret = of_parse_phandle_with_args(of_node, "sound-dai", | |
4733 | "#sound-dai-cells", 0, &args); | |
4734 | if (ret) | |
4735 | return ret; | |
4736 | ||
4737 | ret = -EPROBE_DEFER; | |
4738 | ||
4739 | mutex_lock(&client_mutex); | |
4740 | list_for_each_entry(pos, &component_list, list) { | |
4741 | if (pos->dev->of_node != args.np) | |
4742 | continue; | |
4743 | ||
6833c452 KM |
4744 | if (pos->driver->of_xlate_dai_name) { |
4745 | ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name); | |
4746 | } else { | |
4747 | int id = -1; | |
4748 | ||
4749 | switch (args.args_count) { | |
4750 | case 0: | |
4751 | id = 0; /* same as dai_drv[0] */ | |
4752 | break; | |
4753 | case 1: | |
4754 | id = args.args[0]; | |
4755 | break; | |
4756 | default: | |
4757 | /* not supported */ | |
4758 | break; | |
4759 | } | |
4760 | ||
4761 | if (id < 0 || id >= pos->num_dai) { | |
4762 | ret = -EINVAL; | |
e41975ed | 4763 | break; |
6833c452 | 4764 | } |
e41975ed XL |
4765 | |
4766 | ret = 0; | |
4767 | ||
4768 | *dai_name = pos->dai_drv[id].name; | |
4769 | if (!*dai_name) | |
4770 | *dai_name = pos->name; | |
cb470087 KM |
4771 | } |
4772 | ||
cb470087 KM |
4773 | break; |
4774 | } | |
4775 | mutex_unlock(&client_mutex); | |
4776 | ||
4777 | of_node_put(args.np); | |
4778 | ||
4779 | return ret; | |
4780 | } | |
4781 | EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name); | |
4782 | ||
c9b3a40f | 4783 | static int __init snd_soc_init(void) |
db2a4165 | 4784 | { |
384c89e2 | 4785 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a MB |
4786 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
4787 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { | |
0837fc62 | 4788 | pr_warn("ASoC: Failed to create debugfs directory\n"); |
8a9dab1a | 4789 | snd_soc_debugfs_root = NULL; |
384c89e2 | 4790 | } |
c3c5a19a | 4791 | |
8a9dab1a | 4792 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
c3c5a19a MB |
4793 | &codec_list_fops)) |
4794 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); | |
4795 | ||
8a9dab1a | 4796 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
f3208780 MB |
4797 | &dai_list_fops)) |
4798 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); | |
19c7ac27 | 4799 | |
8a9dab1a | 4800 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
19c7ac27 MB |
4801 | &platform_list_fops)) |
4802 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); | |
384c89e2 MB |
4803 | #endif |
4804 | ||
fb257897 MB |
4805 | snd_soc_util_init(); |
4806 | ||
db2a4165 FM |
4807 | return platform_driver_register(&soc_driver); |
4808 | } | |
4abe8e16 | 4809 | module_init(snd_soc_init); |
db2a4165 | 4810 | |
7d8c16a6 | 4811 | static void __exit snd_soc_exit(void) |
db2a4165 | 4812 | { |
fb257897 MB |
4813 | snd_soc_util_exit(); |
4814 | ||
384c89e2 | 4815 | #ifdef CONFIG_DEBUG_FS |
8a9dab1a | 4816 | debugfs_remove_recursive(snd_soc_debugfs_root); |
384c89e2 | 4817 | #endif |
3ff3f64b | 4818 | platform_driver_unregister(&soc_driver); |
db2a4165 | 4819 | } |
db2a4165 FM |
4820 | module_exit(snd_soc_exit); |
4821 | ||
4822 | /* Module information */ | |
d331124d | 4823 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
db2a4165 FM |
4824 | MODULE_DESCRIPTION("ALSA SoC Core"); |
4825 | MODULE_LICENSE("GPL"); | |
8b45a209 | 4826 | MODULE_ALIAS("platform:soc-audio"); |