blob: fe1df50805a3035ea455d40771c55d4cb4f6585d [file] [log] [blame]
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001/*
2 * soc-core.c -- ALSA SoC Audio Layer
3 *
4 * Copyright 2005 Wolfson Microelectronics PLC.
Liam Girdwood0664d882006-12-18 14:39:02 +01005 * Copyright 2005 Openedhand Ltd.
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00006 * Copyright (C) 2010 Slimlogic Ltd.
7 * Copyright (C) 2010 Texas Instruments Inc.
Liam Girdwood0664d882006-12-18 14:39:02 +01008 *
Liam Girdwoodd3311242008-10-12 13:17:36 +01009 * Author: Liam Girdwood <lrg@slimlogic.co.uk>
Liam Girdwood0664d882006-12-18 14:39:02 +010010 * with code, comments and ideas from :-
11 * Richard Purdie <richard@openedhand.com>
Frank Mandarinodb2a4162006-10-06 18:31:09 +020012 *
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 *
Frank Mandarinodb2a4162006-10-06 18:31:09 +020018 * 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>
Troy Kisky12ef1932008-10-13 17:42:14 -070031#include <linux/debugfs.h>
Frank Mandarinodb2a4162006-10-06 18:31:09 +020032#include <linux/platform_device.h>
Markus Pargmann741a5092013-08-19 17:05:55 +020033#include <linux/pinctrl/consumer.h>
Mark Brownf0e8ed82011-09-20 11:41:54 +010034#include <linux/ctype.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090035#include <linux/slab.h>
Stephen Warrenbec4fa02011-12-12 15:55:34 -070036#include <linux/of.h>
Markus Pargmann741a5092013-08-19 17:05:55 +020037#include <linux/gpio.h>
38#include <linux/of_gpio.h>
Marek Vasut474828a2009-07-22 13:01:03 +020039#include <sound/ac97_codec.h>
Frank Mandarinodb2a4162006-10-06 18:31:09 +020040#include <sound/core.h>
Mark Brown3028eb82010-12-05 12:22:46 +000041#include <sound/jack.h>
Frank Mandarinodb2a4162006-10-06 18:31:09 +020042#include <sound/pcm.h>
43#include <sound/pcm_params.h>
44#include <sound/soc.h>
Liam Girdwood01d75842012-04-25 12:12:49 +010045#include <sound/soc-dpcm.h>
Frank Mandarinodb2a4162006-10-06 18:31:09 +020046#include <sound/initval.h>
47
Mark Browna8b1d342010-11-03 18:05:58 -040048#define CREATE_TRACE_POINTS
49#include <trace/events/asoc.h>
50
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +000051#define NAME_SIZE 32
52
Mark Brown384c89e2008-12-03 17:34:03 +000053#ifdef CONFIG_DEBUG_FS
Mark Brown8a9dab12011-01-10 22:25:21 +000054struct dentry *snd_soc_debugfs_root;
55EXPORT_SYMBOL_GPL(snd_soc_debugfs_root);
Mark Brown384c89e2008-12-03 17:34:03 +000056#endif
57
Mark Brownc5af3a22008-11-28 13:29:45 +000058static DEFINE_MUTEX(client_mutex);
Mark Brown91151712008-11-30 23:31:24 +000059static LIST_HEAD(dai_list);
Mark Brown12a48a8c2008-12-03 19:40:30 +000060static LIST_HEAD(platform_list);
Mark Brown0d0cf002008-12-10 14:32:45 +000061static LIST_HEAD(codec_list);
Kuninori Morimoto030e79f2013-03-11 18:27:21 -070062static LIST_HEAD(component_list);
Mark Brownc5af3a22008-11-28 13:29:45 +000063
Frank Mandarinodb2a4162006-10-06 18:31:09 +020064/*
65 * This is a timeout to do a DAPM powerdown after a stream is closed().
66 * It can be used to eliminate pops between different playback streams, e.g.
67 * between two audio tracks.
68 */
69static int pmdown_time = 5000;
70module_param(pmdown_time, int, 0);
71MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)");
72
Markus Pargmann741a5092013-08-19 17:05:55 +020073struct snd_ac97_reset_cfg {
74 struct pinctrl *pctl;
75 struct pinctrl_state *pstate_reset;
76 struct pinctrl_state *pstate_warm_reset;
77 struct pinctrl_state *pstate_run;
78 int gpio_sdata;
79 int gpio_sync;
80 int gpio_reset;
81};
82
Dimitris Papastamos2bc9a812011-02-01 12:24:08 +000083/* returns the minimum number of bytes needed to represent
84 * a particular given value */
85static int min_bytes_needed(unsigned long val)
86{
87 int c = 0;
88 int i;
89
90 for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c)
91 if (val & (1UL << i))
92 break;
93 c = (sizeof val * 8) - c;
94 if (!c || (c % 8))
95 c = (c + 8) / 8;
96 else
97 c /= 8;
98 return c;
99}
100
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000101/* fill buf which is 'len' bytes with a formatted
102 * string of the form 'reg: value\n' */
103static int format_register_str(struct snd_soc_codec *codec,
104 unsigned int reg, char *buf, size_t len)
Mark Brown2624d5f2009-11-03 21:56:13 +0000105{
Stephen Warren00b317a2011-04-01 14:50:44 -0600106 int wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2;
107 int regsize = codec->driver->reg_word_size * 2;
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000108 int ret;
109 char tmpbuf[len + 1];
110 char regbuf[regsize + 1];
111
112 /* since tmpbuf is allocated on the stack, warn the callers if they
113 * try to abuse this function */
114 WARN_ON(len > 63);
115
116 /* +2 for ': ' and + 1 for '\n' */
117 if (wordsize + regsize + 2 + 1 != len)
118 return -EINVAL;
119
Mark Brown25032c12011-08-01 13:52:48 +0900120 ret = snd_soc_read(codec, reg);
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000121 if (ret < 0) {
122 memset(regbuf, 'X', regsize);
123 regbuf[regsize] = '\0';
124 } else {
125 snprintf(regbuf, regsize + 1, "%.*x", regsize, ret);
126 }
127
128 /* prepare the buffer */
129 snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf);
130 /* copy it back to the caller without the '\0' */
131 memcpy(buf, tmpbuf, len);
132
133 return 0;
134}
135
136/* codec register dump */
137static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf,
138 size_t count, loff_t pos)
139{
140 int i, step = 1;
Dimitris Papastamos2bc9a812011-02-01 12:24:08 +0000141 int wordsize, regsize;
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000142 int len;
143 size_t total = 0;
144 loff_t p = 0;
Dimitris Papastamos2bc9a812011-02-01 12:24:08 +0000145
Stephen Warren00b317a2011-04-01 14:50:44 -0600146 wordsize = min_bytes_needed(codec->driver->reg_cache_size) * 2;
147 regsize = codec->driver->reg_word_size * 2;
Mark Brown2624d5f2009-11-03 21:56:13 +0000148
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000149 len = wordsize + regsize + 2 + 1;
150
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000151 if (!codec->driver->reg_cache_size)
Mark Brown2624d5f2009-11-03 21:56:13 +0000152 return 0;
153
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000154 if (codec->driver->reg_cache_step)
155 step = codec->driver->reg_cache_step;
Mark Brown2624d5f2009-11-03 21:56:13 +0000156
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000157 for (i = 0; i < codec->driver->reg_cache_size; i += step) {
Lars-Peter Clausenb92d1502011-08-27 18:24:14 +0200158 if (!snd_soc_codec_readable_register(codec, i))
Mark Brown2624d5f2009-11-03 21:56:13 +0000159 continue;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000160 if (codec->driver->display_register) {
161 count += codec->driver->display_register(codec, buf + count,
Mark Brown2624d5f2009-11-03 21:56:13 +0000162 PAGE_SIZE - count, i);
Mark Brown5164d742010-07-14 16:14:33 +0100163 } else {
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000164 /* only support larger than PAGE_SIZE bytes debugfs
165 * entries for the default case */
166 if (p >= pos) {
167 if (total + len >= count - 1)
168 break;
169 format_register_str(codec, i, buf + total, len);
170 total += len;
171 }
172 p += len;
Mark Brown5164d742010-07-14 16:14:33 +0100173 }
Mark Brown2624d5f2009-11-03 21:56:13 +0000174 }
175
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000176 total = min(total, count - 1);
Mark Brown2624d5f2009-11-03 21:56:13 +0000177
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000178 return total;
Mark Brown2624d5f2009-11-03 21:56:13 +0000179}
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000180
Mark Brown2624d5f2009-11-03 21:56:13 +0000181static ssize_t codec_reg_show(struct device *dev,
182 struct device_attribute *attr, char *buf)
183{
Mark Brown36ae1a92012-01-06 17:12:45 -0800184 struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000185
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000186 return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0);
Mark Brown2624d5f2009-11-03 21:56:13 +0000187}
188
189static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL);
190
Mark Browndbe21402010-02-12 11:37:24 +0000191static ssize_t pmdown_time_show(struct device *dev,
192 struct device_attribute *attr, char *buf)
193{
Mark Brown36ae1a92012-01-06 17:12:45 -0800194 struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
Mark Browndbe21402010-02-12 11:37:24 +0000195
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000196 return sprintf(buf, "%ld\n", rtd->pmdown_time);
Mark Browndbe21402010-02-12 11:37:24 +0000197}
198
199static ssize_t pmdown_time_set(struct device *dev,
200 struct device_attribute *attr,
201 const char *buf, size_t count)
202{
Mark Brown36ae1a92012-01-06 17:12:45 -0800203 struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev);
Mark Brownc593b522010-10-27 20:11:17 -0700204 int ret;
Mark Browndbe21402010-02-12 11:37:24 +0000205
Jingoo Hanb785a492013-07-19 16:24:59 +0900206 ret = kstrtol(buf, 10, &rtd->pmdown_time);
Mark Brownc593b522010-10-27 20:11:17 -0700207 if (ret)
208 return ret;
Mark Browndbe21402010-02-12 11:37:24 +0000209
210 return count;
211}
212
213static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set);
214
Mark Brown2624d5f2009-11-03 21:56:13 +0000215#ifdef CONFIG_DEBUG_FS
Mark Brown2624d5f2009-11-03 21:56:13 +0000216static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf,
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000217 size_t count, loff_t *ppos)
Mark Brown2624d5f2009-11-03 21:56:13 +0000218{
219 ssize_t ret;
220 struct snd_soc_codec *codec = file->private_data;
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000221 char *buf;
222
223 if (*ppos < 0 || !count)
224 return -EINVAL;
225
226 buf = kmalloc(count, GFP_KERNEL);
Mark Brown2624d5f2009-11-03 21:56:13 +0000227 if (!buf)
228 return -ENOMEM;
Dimitris Papastamos13fd1792011-02-02 13:58:58 +0000229
230 ret = soc_codec_reg_show(codec, buf, count, *ppos);
231 if (ret >= 0) {
232 if (copy_to_user(user_buf, buf, ret)) {
233 kfree(buf);
234 return -EFAULT;
235 }
236 *ppos += ret;
237 }
238
Mark Brown2624d5f2009-11-03 21:56:13 +0000239 kfree(buf);
240 return ret;
241}
242
243static ssize_t codec_reg_write_file(struct file *file,
244 const char __user *user_buf, size_t count, loff_t *ppos)
245{
246 char buf[32];
Stephen Boyd34e268d2011-05-12 16:50:10 -0700247 size_t buf_size;
Mark Brown2624d5f2009-11-03 21:56:13 +0000248 char *start = buf;
249 unsigned long reg, value;
Mark Brown2624d5f2009-11-03 21:56:13 +0000250 struct snd_soc_codec *codec = file->private_data;
Jingoo Hanb785a492013-07-19 16:24:59 +0900251 int ret;
Mark Brown2624d5f2009-11-03 21:56:13 +0000252
253 buf_size = min(count, (sizeof(buf)-1));
254 if (copy_from_user(buf, user_buf, buf_size))
255 return -EFAULT;
256 buf[buf_size] = 0;
257
Mark Brown2624d5f2009-11-03 21:56:13 +0000258 while (*start == ' ')
259 start++;
260 reg = simple_strtoul(start, &start, 16);
Mark Brown2624d5f2009-11-03 21:56:13 +0000261 while (*start == ' ')
262 start++;
Jingoo Hanb785a492013-07-19 16:24:59 +0900263 ret = kstrtoul(start, 16, &value);
264 if (ret)
265 return ret;
Mark Brown0d51a9c2011-01-06 16:04:57 +0000266
267 /* Userspace has been fiddling around behind the kernel's back */
Rusty Russell373d4d02013-01-21 17:17:39 +1030268 add_taint(TAINT_USER, LOCKDEP_NOW_UNRELIABLE);
Mark Brown0d51a9c2011-01-06 16:04:57 +0000269
Dimitris Papastamose4f078d2010-12-07 16:30:38 +0000270 snd_soc_write(codec, reg, value);
Mark Brown2624d5f2009-11-03 21:56:13 +0000271 return buf_size;
272}
273
274static const struct file_operations codec_reg_fops = {
Stephen Boyd234e3402012-04-05 14:25:11 -0700275 .open = simple_open,
Mark Brown2624d5f2009-11-03 21:56:13 +0000276 .read = codec_reg_read_file,
277 .write = codec_reg_write_file,
Arnd Bergmann6038f372010-08-15 18:52:59 +0200278 .llseek = default_llseek,
Mark Brown2624d5f2009-11-03 21:56:13 +0000279};
280
281static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
282{
Jarkko Nikulad6ce4cf2010-11-05 20:35:20 +0200283 struct dentry *debugfs_card_root = codec->card->debugfs_card_root;
284
285 codec->debugfs_codec_root = debugfs_create_dir(codec->name,
286 debugfs_card_root);
Mark Brown2624d5f2009-11-03 21:56:13 +0000287 if (!codec->debugfs_codec_root) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +0200288 dev_warn(codec->dev,
289 "ASoC: Failed to create codec debugfs directory\n");
Mark Brown2624d5f2009-11-03 21:56:13 +0000290 return;
291 }
292
Mark Brownaaee8ef2011-01-26 20:53:50 +0000293 debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root,
294 &codec->cache_sync);
295 debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root,
296 &codec->cache_only);
297
Mark Brown2624d5f2009-11-03 21:56:13 +0000298 codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
299 codec->debugfs_codec_root,
300 codec, &codec_reg_fops);
301 if (!codec->debugfs_reg)
Michał Mirosław10e8aa92013-05-04 22:21:38 +0200302 dev_warn(codec->dev,
303 "ASoC: Failed to create codec register debugfs file\n");
Mark Brown2624d5f2009-11-03 21:56:13 +0000304
Lars-Peter Clausen8eecaf62011-04-30 19:45:48 +0200305 snd_soc_dapm_debugfs_init(&codec->dapm, codec->debugfs_codec_root);
Mark Brown2624d5f2009-11-03 21:56:13 +0000306}
307
308static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
309{
310 debugfs_remove_recursive(codec->debugfs_codec_root);
311}
312
Sebastien Guiriec731f1ab2012-02-15 15:25:31 +0000313static void soc_init_platform_debugfs(struct snd_soc_platform *platform)
314{
315 struct dentry *debugfs_card_root = platform->card->debugfs_card_root;
316
317 platform->debugfs_platform_root = debugfs_create_dir(platform->name,
318 debugfs_card_root);
319 if (!platform->debugfs_platform_root) {
320 dev_warn(platform->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000321 "ASoC: Failed to create platform debugfs directory\n");
Sebastien Guiriec731f1ab2012-02-15 15:25:31 +0000322 return;
323 }
324
325 snd_soc_dapm_debugfs_init(&platform->dapm,
326 platform->debugfs_platform_root);
327}
328
329static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
330{
331 debugfs_remove_recursive(platform->debugfs_platform_root);
332}
333
Mark Brownc3c5a192010-09-15 18:15:14 +0100334static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
335 size_t count, loff_t *ppos)
336{
337 char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
Mark Brown2b194f9d2010-10-13 10:52:16 +0100338 ssize_t len, ret = 0;
Mark Brownc3c5a192010-09-15 18:15:14 +0100339 struct snd_soc_codec *codec;
340
341 if (!buf)
342 return -ENOMEM;
343
Mark Brown2b194f9d2010-10-13 10:52:16 +0100344 list_for_each_entry(codec, &codec_list, list) {
345 len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
346 codec->name);
347 if (len >= 0)
348 ret += len;
349 if (ret > PAGE_SIZE) {
350 ret = PAGE_SIZE;
351 break;
352 }
353 }
Mark Brownc3c5a192010-09-15 18:15:14 +0100354
355 if (ret >= 0)
356 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
357
358 kfree(buf);
359
360 return ret;
361}
362
363static const struct file_operations codec_list_fops = {
364 .read = codec_list_read_file,
365 .llseek = default_llseek,/* read accesses f_pos */
366};
367
Mark Brownf3208782010-09-15 18:19:07 +0100368static ssize_t dai_list_read_file(struct file *file, char __user *user_buf,
369 size_t count, loff_t *ppos)
370{
371 char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
Mark Brown2b194f9d2010-10-13 10:52:16 +0100372 ssize_t len, ret = 0;
Mark Brownf3208782010-09-15 18:19:07 +0100373 struct snd_soc_dai *dai;
374
375 if (!buf)
376 return -ENOMEM;
377
Mark Brown2b194f9d2010-10-13 10:52:16 +0100378 list_for_each_entry(dai, &dai_list, list) {
379 len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name);
380 if (len >= 0)
381 ret += len;
382 if (ret > PAGE_SIZE) {
383 ret = PAGE_SIZE;
384 break;
385 }
386 }
Mark Brownf3208782010-09-15 18:19:07 +0100387
Mark Brown2b194f9d2010-10-13 10:52:16 +0100388 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
Mark Brownf3208782010-09-15 18:19:07 +0100389
390 kfree(buf);
391
392 return ret;
393}
394
395static const struct file_operations dai_list_fops = {
396 .read = dai_list_read_file,
397 .llseek = default_llseek,/* read accesses f_pos */
398};
399
Mark Brown19c7ac22010-09-15 18:22:40 +0100400static ssize_t platform_list_read_file(struct file *file,
401 char __user *user_buf,
402 size_t count, loff_t *ppos)
403{
404 char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
Mark Brown2b194f9d2010-10-13 10:52:16 +0100405 ssize_t len, ret = 0;
Mark Brown19c7ac22010-09-15 18:22:40 +0100406 struct snd_soc_platform *platform;
407
408 if (!buf)
409 return -ENOMEM;
410
Mark Brown2b194f9d2010-10-13 10:52:16 +0100411 list_for_each_entry(platform, &platform_list, list) {
412 len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
413 platform->name);
414 if (len >= 0)
415 ret += len;
416 if (ret > PAGE_SIZE) {
417 ret = PAGE_SIZE;
418 break;
419 }
420 }
Mark Brown19c7ac22010-09-15 18:22:40 +0100421
Mark Brown2b194f9d2010-10-13 10:52:16 +0100422 ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
Mark Brown19c7ac22010-09-15 18:22:40 +0100423
424 kfree(buf);
425
426 return ret;
427}
428
429static const struct file_operations platform_list_fops = {
430 .read = platform_list_read_file,
431 .llseek = default_llseek,/* read accesses f_pos */
432};
433
Jarkko Nikulaa6052152010-11-05 20:35:19 +0200434static void soc_init_card_debugfs(struct snd_soc_card *card)
435{
436 card->debugfs_card_root = debugfs_create_dir(card->name,
Mark Brown8a9dab12011-01-10 22:25:21 +0000437 snd_soc_debugfs_root);
Jarkko Nikula3a45b862010-11-05 20:35:21 +0200438 if (!card->debugfs_card_root) {
Jarkko Nikulaa6052152010-11-05 20:35:19 +0200439 dev_warn(card->dev,
Lothar Waßmann7c08be82011-12-09 14:16:29 +0100440 "ASoC: Failed to create card debugfs directory\n");
Jarkko Nikula3a45b862010-11-05 20:35:21 +0200441 return;
442 }
443
444 card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644,
445 card->debugfs_card_root,
446 &card->pop_time);
447 if (!card->debugfs_pop_time)
448 dev_warn(card->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000449 "ASoC: Failed to create pop time debugfs file\n");
Jarkko Nikulaa6052152010-11-05 20:35:19 +0200450}
451
452static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
453{
454 debugfs_remove_recursive(card->debugfs_card_root);
455}
456
Mark Brown2624d5f2009-11-03 21:56:13 +0000457#else
458
459static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
460{
461}
462
463static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec)
464{
465}
Axel Linb95fccb2010-11-09 17:06:44 +0800466
Sebastien Guiriec731f1ab2012-02-15 15:25:31 +0000467static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform)
468{
469}
470
471static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform)
472{
473}
474
Axel Linb95fccb2010-11-09 17:06:44 +0800475static inline void soc_init_card_debugfs(struct snd_soc_card *card)
476{
477}
478
479static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card)
480{
481}
Mark Brown2624d5f2009-11-03 21:56:13 +0000482#endif
483
Liam Girdwood47c88ff2012-04-25 12:12:53 +0100484struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
485 const char *dai_link, int stream)
486{
487 int i;
488
489 for (i = 0; i < card->num_links; i++) {
490 if (card->rtd[i].dai_link->no_pcm &&
491 !strcmp(card->rtd[i].dai_link->name, dai_link))
492 return card->rtd[i].pcm->streams[stream].substream;
493 }
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000494 dev_dbg(card->dev, "ASoC: failed to find dai link %s\n", dai_link);
Liam Girdwood47c88ff2012-04-25 12:12:53 +0100495 return NULL;
496}
497EXPORT_SYMBOL_GPL(snd_soc_get_dai_substream);
498
499struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
500 const char *dai_link)
501{
502 int i;
503
504 for (i = 0; i < card->num_links; i++) {
505 if (!strcmp(card->rtd[i].dai_link->name, dai_link))
506 return &card->rtd[i];
507 }
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000508 dev_dbg(card->dev, "ASoC: failed to find rtd %s\n", dai_link);
Liam Girdwood47c88ff2012-04-25 12:12:53 +0100509 return NULL;
510}
511EXPORT_SYMBOL_GPL(snd_soc_get_pcm_runtime);
512
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200513#ifdef CONFIG_SND_SOC_AC97_BUS
514/* unregister ac97 codec */
515static int soc_ac97_dev_unregister(struct snd_soc_codec *codec)
516{
517 if (codec->ac97->dev.bus)
518 device_unregister(&codec->ac97->dev);
519 return 0;
520}
521
522/* stop no dev release warning */
523static void soc_ac97_device_release(struct device *dev){}
524
525/* register ac97 codec to bus */
526static int soc_ac97_dev_register(struct snd_soc_codec *codec)
527{
528 int err;
529
530 codec->ac97->dev.bus = &ac97_bus_type;
Mark Brown4ac5c612009-04-01 19:35:01 +0100531 codec->ac97->dev.parent = codec->card->dev;
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200532 codec->ac97->dev.release = soc_ac97_device_release;
533
Kay Sieversbb072bf2008-11-02 03:50:35 +0100534 dev_set_name(&codec->ac97->dev, "%d-%d:%s",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000535 codec->card->snd_card->number, 0, codec->name);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200536 err = device_register(&codec->ac97->dev);
537 if (err < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000538 dev_err(codec->dev, "ASoC: Can't register ac97 bus\n");
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200539 codec->ac97->dev.bus = NULL;
540 return err;
541 }
542 return 0;
543}
544#endif
545
Richard Fitzgerald9d58a072013-08-05 13:17:28 +0100546static void codec2codec_close_delayed_work(struct work_struct *work)
547{
548 /* Currently nothing to do for c2c links
549 * Since c2c links are internal nodes in the DAPM graph and
550 * don't interface with the outside world or application layer
551 * we don't have to do any special handling on close.
552 */
553}
554
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000555#ifdef CONFIG_PM_SLEEP
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200556/* powers down audio subsystem for suspend */
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000557int snd_soc_suspend(struct device *dev)
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200558{
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000559 struct snd_soc_card *card = dev_get_drvdata(dev);
Jarkko Nikula2eea3922010-11-25 17:47:38 +0200560 struct snd_soc_codec *codec;
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200561 int i;
562
Daniel Macke3509ff2009-06-03 17:44:49 +0200563 /* If the initialization of this soc device failed, there is no codec
564 * associated with it. Just bail out in this case.
565 */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000566 if (list_empty(&card->codec_dev_list))
Daniel Macke3509ff2009-06-03 17:44:49 +0200567 return 0;
568
Andy Green6ed25972008-06-13 16:24:05 +0100569 /* Due to the resume being scheduled into a workqueue we could
570 * suspend before that's finished - wait for it to complete.
571 */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000572 snd_power_lock(card->snd_card);
573 snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0);
574 snd_power_unlock(card->snd_card);
Andy Green6ed25972008-06-13 16:24:05 +0100575
576 /* we're going to block userspace touching us until resume completes */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000577 snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
Andy Green6ed25972008-06-13 16:24:05 +0100578
Mark Browna00f90f2010-12-02 16:24:24 +0000579 /* mute any active DACs */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000580 for (i = 0; i < card->num_rtd; i++) {
581 struct snd_soc_dai *dai = card->rtd[i].codec_dai;
582 struct snd_soc_dai_driver *drv = dai->driver;
Mark Brown3efab7d2010-05-09 13:25:43 +0100583
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000584 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100585 continue;
586
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000587 if (drv->ops->digital_mute && dai->playback_active)
588 drv->ops->digital_mute(dai, 1);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200589 }
590
Liam Girdwood4ccab3e2008-01-10 14:39:01 +0100591 /* suspend all pcms */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000592 for (i = 0; i < card->num_rtd; i++) {
593 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100594 continue;
595
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000596 snd_pcm_suspend_all(card->rtd[i].pcm);
Mark Brown3efab7d2010-05-09 13:25:43 +0100597 }
Liam Girdwood4ccab3e2008-01-10 14:39:01 +0100598
Mark Brown87506542008-11-18 20:50:34 +0000599 if (card->suspend_pre)
Mark Brown70b2ac12011-01-26 14:05:25 +0000600 card->suspend_pre(card);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200601
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000602 for (i = 0; i < card->num_rtd; i++) {
603 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
604 struct snd_soc_platform *platform = card->rtd[i].platform;
Mark Brown3efab7d2010-05-09 13:25:43 +0100605
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000606 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100607 continue;
608
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000609 if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control)
610 cpu_dai->driver->suspend(cpu_dai);
611 if (platform->driver->suspend && !platform->suspended) {
612 platform->driver->suspend(cpu_dai);
613 platform->suspended = 1;
Mark Brown1547aba2010-05-07 21:11:40 +0100614 }
615 }
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200616
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000617 /* close any waiting streams and save state */
618 for (i = 0; i < card->num_rtd; i++) {
Tejun Heo43829732012-08-20 14:51:24 -0700619 flush_delayed_work(&card->rtd[i].delayed_work);
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200620 card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000621 }
Mark Brown3efab7d2010-05-09 13:25:43 +0100622
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000623 for (i = 0; i < card->num_rtd; i++) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000624
625 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100626 continue;
627
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800628 snd_soc_dapm_stream_event(&card->rtd[i],
629 SNDRV_PCM_STREAM_PLAYBACK,
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800630 SND_SOC_DAPM_STREAM_SUSPEND);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000631
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800632 snd_soc_dapm_stream_event(&card->rtd[i],
633 SNDRV_PCM_STREAM_CAPTURE,
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800634 SND_SOC_DAPM_STREAM_SUSPEND);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000635 }
636
Mark Browne2d32ff2012-08-31 17:38:32 -0700637 /* Recheck all analogue paths too */
638 dapm_mark_io_dirty(&card->dapm);
639 snd_soc_dapm_sync(&card->dapm);
640
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000641 /* suspend all CODECs */
Jarkko Nikula2eea3922010-11-25 17:47:38 +0200642 list_for_each_entry(codec, &card->codec_dev_list, card_list) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000643 /* If there are paths active then the CODEC will be held with
644 * bias _ON and should not be suspended. */
645 if (!codec->suspended && codec->driver->suspend) {
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200646 switch (codec->dapm.bias_level) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000647 case SND_SOC_BIAS_STANDBY:
Mark Brown125a25d2012-01-31 15:49:10 +0000648 /*
649 * If the CODEC is capable of idle
650 * bias off then being in STANDBY
651 * means it's doing something,
652 * otherwise fall through.
653 */
654 if (codec->dapm.idle_bias_off) {
655 dev_dbg(codec->dev,
Michał Mirosław10e8aa92013-05-04 22:21:38 +0200656 "ASoC: idle_bias_off CODEC on over suspend\n");
Mark Brown125a25d2012-01-31 15:49:10 +0000657 break;
658 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000659 case SND_SOC_BIAS_OFF:
Lars-Peter Clausen84b315e2011-12-02 10:18:28 +0100660 codec->driver->suspend(codec);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000661 codec->suspended = 1;
Mark Brown7be4ba22011-07-18 13:17:13 +0900662 codec->cache_sync = 1;
Mark Brownda8b8e02012-09-12 12:21:52 +0800663 if (codec->using_regmap)
664 regcache_mark_dirty(codec->control_data);
Nicolin Chen988e8cc2013-11-04 14:57:31 +0800665 /* deactivate pins to sleep state */
666 pinctrl_pm_select_sleep_state(codec->dev);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000667 break;
668 default:
Michał Mirosław10e8aa92013-05-04 22:21:38 +0200669 dev_dbg(codec->dev,
670 "ASoC: CODEC is on over suspend\n");
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000671 break;
672 }
673 }
674 }
675
676 for (i = 0; i < card->num_rtd; i++) {
677 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
678
679 if (card->rtd[i].dai_link->ignore_suspend)
680 continue;
681
682 if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control)
683 cpu_dai->driver->suspend(cpu_dai);
Nicolin Chen988e8cc2013-11-04 14:57:31 +0800684
685 /* deactivate pins to sleep state */
686 pinctrl_pm_select_sleep_state(cpu_dai->dev);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200687 }
688
Mark Brown87506542008-11-18 20:50:34 +0000689 if (card->suspend_post)
Mark Brown70b2ac12011-01-26 14:05:25 +0000690 card->suspend_post(card);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200691
692 return 0;
693}
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000694EXPORT_SYMBOL_GPL(snd_soc_suspend);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200695
Andy Green6ed25972008-06-13 16:24:05 +0100696/* deferred resume work, so resume can complete before we finished
697 * setting our codec back up, which can be very slow on I2C
698 */
699static void soc_resume_deferred(struct work_struct *work)
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200700{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000701 struct snd_soc_card *card =
702 container_of(work, struct snd_soc_card, deferred_resume_work);
Jarkko Nikula2eea3922010-11-25 17:47:38 +0200703 struct snd_soc_codec *codec;
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200704 int i;
705
Andy Green6ed25972008-06-13 16:24:05 +0100706 /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time,
707 * so userspace apps are blocked from touching us
708 */
709
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000710 dev_dbg(card->dev, "ASoC: starting resume work\n");
Andy Green6ed25972008-06-13 16:24:05 +0100711
Mark Brown99497882010-05-07 20:24:05 +0100712 /* Bring us up into D2 so that DAPM starts enabling things */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000713 snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2);
Mark Brown99497882010-05-07 20:24:05 +0100714
Mark Brown87506542008-11-18 20:50:34 +0000715 if (card->resume_pre)
Mark Brown70b2ac12011-01-26 14:05:25 +0000716 card->resume_pre(card);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200717
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000718 /* resume AC97 DAIs */
719 for (i = 0; i < card->num_rtd; i++) {
720 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
Mark Brown3efab7d2010-05-09 13:25:43 +0100721
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000722 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100723 continue;
724
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000725 if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control)
726 cpu_dai->driver->resume(cpu_dai);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200727 }
728
Jarkko Nikula2eea3922010-11-25 17:47:38 +0200729 list_for_each_entry(codec, &card->codec_dev_list, card_list) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000730 /* If the CODEC was idle over suspend then it will have been
731 * left with bias OFF or STANDBY and suspended so we must now
732 * resume. Otherwise the suspend was suppressed.
733 */
734 if (codec->driver->resume && codec->suspended) {
Liam Girdwoodce6120c2010-11-05 15:53:46 +0200735 switch (codec->dapm.bias_level) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000736 case SND_SOC_BIAS_STANDBY:
737 case SND_SOC_BIAS_OFF:
738 codec->driver->resume(codec);
739 codec->suspended = 0;
740 break;
741 default:
Michał Mirosław10e8aa92013-05-04 22:21:38 +0200742 dev_dbg(codec->dev,
743 "ASoC: CODEC was on over suspend\n");
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000744 break;
745 }
Mark Brown1547aba2010-05-07 21:11:40 +0100746 }
747 }
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200748
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000749 for (i = 0; i < card->num_rtd; i++) {
Mark Brown3efab7d2010-05-09 13:25:43 +0100750
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000751 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100752 continue;
753
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800754 snd_soc_dapm_stream_event(&card->rtd[i],
Liam Girdwoodd9b09512012-03-07 16:32:59 +0000755 SNDRV_PCM_STREAM_PLAYBACK,
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800756 SND_SOC_DAPM_STREAM_RESUME);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000757
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800758 snd_soc_dapm_stream_event(&card->rtd[i],
Liam Girdwoodd9b09512012-03-07 16:32:59 +0000759 SNDRV_PCM_STREAM_CAPTURE,
Mark Brown7bd3a6f2012-02-16 15:03:27 -0800760 SND_SOC_DAPM_STREAM_RESUME);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200761 }
762
Mark Brown3ff3f642008-05-19 12:32:25 +0200763 /* unmute any active DACs */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000764 for (i = 0; i < card->num_rtd; i++) {
765 struct snd_soc_dai *dai = card->rtd[i].codec_dai;
766 struct snd_soc_dai_driver *drv = dai->driver;
Mark Brown3efab7d2010-05-09 13:25:43 +0100767
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000768 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100769 continue;
770
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000771 if (drv->ops->digital_mute && dai->playback_active)
772 drv->ops->digital_mute(dai, 0);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200773 }
774
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000775 for (i = 0; i < card->num_rtd; i++) {
776 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
777 struct snd_soc_platform *platform = card->rtd[i].platform;
Mark Brown3efab7d2010-05-09 13:25:43 +0100778
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000779 if (card->rtd[i].dai_link->ignore_suspend)
Mark Brown3efab7d2010-05-09 13:25:43 +0100780 continue;
781
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000782 if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control)
783 cpu_dai->driver->resume(cpu_dai);
784 if (platform->driver->resume && platform->suspended) {
785 platform->driver->resume(cpu_dai);
786 platform->suspended = 0;
787 }
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200788 }
789
Mark Brown87506542008-11-18 20:50:34 +0000790 if (card->resume_post)
Mark Brown70b2ac12011-01-26 14:05:25 +0000791 card->resume_post(card);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200792
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000793 dev_dbg(card->dev, "ASoC: resume work completed\n");
Andy Green6ed25972008-06-13 16:24:05 +0100794
795 /* userspace can access us now we are back as we were before */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000796 snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0);
Mark Browne2d32ff2012-08-31 17:38:32 -0700797
798 /* Recheck all analogue paths too */
799 dapm_mark_io_dirty(&card->dapm);
800 snd_soc_dapm_sync(&card->dapm);
Andy Green6ed25972008-06-13 16:24:05 +0100801}
802
803/* powers up audio subsystem after a suspend */
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000804int snd_soc_resume(struct device *dev)
Andy Green6ed25972008-06-13 16:24:05 +0100805{
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000806 struct snd_soc_card *card = dev_get_drvdata(dev);
Stephen Warren82e14e82011-05-25 14:06:41 -0600807 int i, ac97_control = 0;
Peter Ujfalusib9dd94a2010-02-22 13:27:13 +0200808
Eric Miao5ff1ddf2011-11-23 22:37:00 +0800809 /* If the initialization of this soc device failed, there is no codec
810 * associated with it. Just bail out in this case.
811 */
812 if (list_empty(&card->codec_dev_list))
813 return 0;
814
Nicolin Chen988e8cc2013-11-04 14:57:31 +0800815 /* activate pins from sleep state */
816 for (i = 0; i < card->num_rtd; i++) {
817 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
818 struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
819 if (cpu_dai->active)
820 pinctrl_pm_select_default_state(cpu_dai->dev);
821 if (codec_dai->active)
822 pinctrl_pm_select_default_state(codec_dai->dev);
823 }
824
Mark Brown64ab9ba2009-03-31 11:27:03 +0100825 /* AC97 devices might have other drivers hanging off them so
826 * need to resume immediately. Other drivers don't have that
827 * problem and may take a substantial amount of time to resume
828 * due to I/O costs and anti-pop so handle them out of line.
829 */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000830 for (i = 0; i < card->num_rtd; i++) {
831 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
Stephen Warren82e14e82011-05-25 14:06:41 -0600832 ac97_control |= cpu_dai->driver->ac97_control;
833 }
834 if (ac97_control) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000835 dev_dbg(dev, "ASoC: Resuming AC97 immediately\n");
Stephen Warren82e14e82011-05-25 14:06:41 -0600836 soc_resume_deferred(&card->deferred_resume_work);
837 } else {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000838 dev_dbg(dev, "ASoC: Scheduling resume work\n");
Stephen Warren82e14e82011-05-25 14:06:41 -0600839 if (!schedule_work(&card->deferred_resume_work))
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000840 dev_err(dev, "ASoC: resume work item may be lost\n");
Mark Brown64ab9ba2009-03-31 11:27:03 +0100841 }
Andy Green6ed25972008-06-13 16:24:05 +0100842
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200843 return 0;
844}
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000845EXPORT_SYMBOL_GPL(snd_soc_resume);
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200846#else
Mark Brown6f8ab4a2011-01-26 14:59:27 +0000847#define snd_soc_suspend NULL
848#define snd_soc_resume NULL
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200849#endif
850
Lars-Peter Clausen85e76522011-11-23 11:40:40 +0100851static const struct snd_soc_dai_ops null_dai_ops = {
Barry Song02a06d32009-10-16 18:13:38 +0800852};
853
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000854static int soc_bind_dai_link(struct snd_soc_card *card, int num)
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200855{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000856 struct snd_soc_dai_link *dai_link = &card->dai_link[num];
857 struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
Mark Brownfe3e78e2009-11-03 22:13:13 +0000858 struct snd_soc_codec *codec;
Mark Brown435c5e22008-12-04 15:32:53 +0000859 struct snd_soc_platform *platform;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000860 struct snd_soc_dai *codec_dai, *cpu_dai;
Mark Brown848dd8b2011-04-27 18:16:32 +0100861 const char *platform_name;
Frank Mandarinodb2a4162006-10-06 18:31:09 +0200862
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000863 dev_dbg(card->dev, "ASoC: binding %s at idx %d\n", dai_link->name, num);
Mark Brown63084192008-12-02 15:08:03 +0000864
Mark Brownb19e6e72012-03-14 21:18:39 +0000865 /* Find CPU DAI from registered DAIs*/
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000866 list_for_each_entry(cpu_dai, &dai_list, list) {
Stephen Warrenbc926572012-05-25 18:22:11 -0600867 if (dai_link->cpu_of_node &&
868 (cpu_dai->dev->of_node != dai_link->cpu_of_node))
869 continue;
870 if (dai_link->cpu_name &&
871 strcmp(dev_name(cpu_dai->dev), dai_link->cpu_name))
872 continue;
873 if (dai_link->cpu_dai_name &&
874 strcmp(cpu_dai->name, dai_link->cpu_dai_name))
875 continue;
Stephen Warren2610ab72011-12-07 13:58:27 -0700876
877 rtd->cpu_dai = cpu_dai;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000878 }
Mark Brownb19e6e72012-03-14 21:18:39 +0000879
880 if (!rtd->cpu_dai) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000881 dev_err(card->dev, "ASoC: CPU DAI %s not registered\n",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000882 dai_link->cpu_dai_name);
Mark Brownb19e6e72012-03-14 21:18:39 +0000883 return -EPROBE_DEFER;
Mark Brownc5af3a22008-11-28 13:29:45 +0000884 }
885
Mark Brownb19e6e72012-03-14 21:18:39 +0000886 /* Find CODEC from registered CODECs */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000887 list_for_each_entry(codec, &codec_list, list) {
Stephen Warren5a504962011-12-21 10:40:59 -0700888 if (dai_link->codec_of_node) {
889 if (codec->dev->of_node != dai_link->codec_of_node)
890 continue;
891 } else {
892 if (strcmp(codec->name, dai_link->codec_name))
893 continue;
894 }
Mark Brown6b05eda2008-12-08 19:26:48 +0000895
Stephen Warren2610ab72011-12-07 13:58:27 -0700896 rtd->codec = codec;
897
898 /*
899 * CODEC found, so find CODEC DAI from registered DAIs from
900 * this CODEC
901 */
902 list_for_each_entry(codec_dai, &dai_list, list) {
903 if (codec->dev == codec_dai->dev &&
904 !strcmp(codec_dai->name,
905 dai_link->codec_dai_name)) {
906
907 rtd->codec_dai = codec_dai;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000908 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000909 }
Mark Brownb19e6e72012-03-14 21:18:39 +0000910
911 if (!rtd->codec_dai) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000912 dev_err(card->dev, "ASoC: CODEC DAI %s not registered\n",
Stephen Warren2610ab72011-12-07 13:58:27 -0700913 dai_link->codec_dai_name);
Mark Brownb19e6e72012-03-14 21:18:39 +0000914 return -EPROBE_DEFER;
915 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000916 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000917
Mark Brownb19e6e72012-03-14 21:18:39 +0000918 if (!rtd->codec) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000919 dev_err(card->dev, "ASoC: CODEC %s not registered\n",
Mark Brownb19e6e72012-03-14 21:18:39 +0000920 dai_link->codec_name);
921 return -EPROBE_DEFER;
922 }
Mark Brown848dd8b2011-04-27 18:16:32 +0100923
924 /* if there's no platform we match on the empty platform */
925 platform_name = dai_link->platform_name;
Stephen Warren5a504962011-12-21 10:40:59 -0700926 if (!platform_name && !dai_link->platform_of_node)
Mark Brown848dd8b2011-04-27 18:16:32 +0100927 platform_name = "snd-soc-dummy";
928
Mark Brownb19e6e72012-03-14 21:18:39 +0000929 /* find one from the set of registered platforms */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000930 list_for_each_entry(platform, &platform_list, list) {
Stephen Warren5a504962011-12-21 10:40:59 -0700931 if (dai_link->platform_of_node) {
932 if (platform->dev->of_node !=
933 dai_link->platform_of_node)
934 continue;
935 } else {
936 if (strcmp(platform->name, platform_name))
937 continue;
938 }
Stephen Warren2610ab72011-12-07 13:58:27 -0700939
940 rtd->platform = platform;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000941 }
Mark Brownb19e6e72012-03-14 21:18:39 +0000942 if (!rtd->platform) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000943 dev_err(card->dev, "ASoC: platform %s not registered\n",
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000944 dai_link->platform_name);
Mark Brownb19e6e72012-03-14 21:18:39 +0000945 return -EPROBE_DEFER;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000946 }
Mark Brownb19e6e72012-03-14 21:18:39 +0000947
948 card->num_rtd++;
949
950 return 0;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000951}
952
Stephen Warrend12cd192012-06-08 12:34:22 -0600953static int soc_remove_platform(struct snd_soc_platform *platform)
954{
955 int ret;
956
957 if (platform->driver->remove) {
958 ret = platform->driver->remove(platform);
959 if (ret < 0)
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000960 dev_err(platform->dev, "ASoC: failed to remove %d\n",
961 ret);
Stephen Warrend12cd192012-06-08 12:34:22 -0600962 }
963
964 /* Make sure all DAPM widgets are freed */
965 snd_soc_dapm_free(&platform->dapm);
966
967 soc_cleanup_platform_debugfs(platform);
968 platform->probed = 0;
969 list_del(&platform->card_list);
970 module_put(platform->dev->driver->owner);
971
972 return 0;
973}
974
Jarkko Nikula589c3562010-12-06 16:27:07 +0200975static void soc_remove_codec(struct snd_soc_codec *codec)
976{
977 int err;
978
979 if (codec->driver->remove) {
980 err = codec->driver->remove(codec);
981 if (err < 0)
Liam Girdwoodf110bfc2012-11-19 14:47:09 +0000982 dev_err(codec->dev, "ASoC: failed to remove %d\n", err);
Jarkko Nikula589c3562010-12-06 16:27:07 +0200983 }
984
985 /* Make sure all DAPM widgets are freed */
986 snd_soc_dapm_free(&codec->dapm);
987
988 soc_cleanup_codec_debugfs(codec);
989 codec->probed = 0;
990 list_del(&codec->card_list);
991 module_put(codec->dev->driver->owner);
992}
993
Stephen Warren62ae68f2012-06-08 12:34:23 -0600994static void soc_remove_link_dais(struct snd_soc_card *card, int num, int order)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000995{
996 struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +0000997 struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai;
998 int err;
999
1000 /* unregister the rtd device */
1001 if (rtd->dev_registered) {
Mark Brown36ae1a92012-01-06 17:12:45 -08001002 device_remove_file(rtd->dev, &dev_attr_pmdown_time);
1003 device_remove_file(rtd->dev, &dev_attr_codec_reg);
1004 device_unregister(rtd->dev);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001005 rtd->dev_registered = 0;
1006 }
1007
1008 /* remove the CODEC DAI */
Liam Girdwood0168bf02011-06-07 16:08:05 +01001009 if (codec_dai && codec_dai->probed &&
1010 codec_dai->driver->remove_order == order) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001011 if (codec_dai->driver->remove) {
1012 err = codec_dai->driver->remove(codec_dai);
1013 if (err < 0)
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001014 dev_err(codec_dai->dev,
1015 "ASoC: failed to remove %s: %d\n",
1016 codec_dai->name, err);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001017 }
1018 codec_dai->probed = 0;
1019 list_del(&codec_dai->card_list);
1020 }
1021
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001022 /* remove the cpu_dai */
Liam Girdwood0168bf02011-06-07 16:08:05 +01001023 if (cpu_dai && cpu_dai->probed &&
1024 cpu_dai->driver->remove_order == order) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001025 if (cpu_dai->driver->remove) {
1026 err = cpu_dai->driver->remove(cpu_dai);
1027 if (err < 0)
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001028 dev_err(cpu_dai->dev,
1029 "ASoC: failed to remove %s: %d\n",
1030 cpu_dai->name, err);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001031 }
1032 cpu_dai->probed = 0;
1033 list_del(&cpu_dai->card_list);
Stephen Warrena9db7db2012-06-08 12:34:20 -06001034
Stephen Warren18d75642012-06-08 12:34:21 -06001035 if (!cpu_dai->codec) {
1036 snd_soc_dapm_free(&cpu_dai->dapm);
Stephen Warrena9db7db2012-06-08 12:34:20 -06001037 module_put(cpu_dai->dev->driver->owner);
Stephen Warren18d75642012-06-08 12:34:21 -06001038 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001039 }
1040}
1041
Stephen Warren62ae68f2012-06-08 12:34:23 -06001042static void soc_remove_link_components(struct snd_soc_card *card, int num,
1043 int order)
1044{
1045 struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
1046 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
1047 struct snd_soc_dai *codec_dai = rtd->codec_dai;
1048 struct snd_soc_platform *platform = rtd->platform;
1049 struct snd_soc_codec *codec;
1050
1051 /* remove the platform */
1052 if (platform && platform->probed &&
1053 platform->driver->remove_order == order) {
1054 soc_remove_platform(platform);
1055 }
1056
1057 /* remove the CODEC-side CODEC */
1058 if (codec_dai) {
1059 codec = codec_dai->codec;
1060 if (codec && codec->probed &&
1061 codec->driver->remove_order == order)
1062 soc_remove_codec(codec);
1063 }
1064
1065 /* remove any CPU-side CODEC */
1066 if (cpu_dai) {
1067 codec = cpu_dai->codec;
1068 if (codec && codec->probed &&
1069 codec->driver->remove_order == order)
1070 soc_remove_codec(codec);
1071 }
1072}
1073
Kuninori Morimoto0671fd82011-04-08 14:50:44 +09001074static void soc_remove_dai_links(struct snd_soc_card *card)
1075{
Liam Girdwood0168bf02011-06-07 16:08:05 +01001076 int dai, order;
Kuninori Morimoto0671fd82011-04-08 14:50:44 +09001077
Liam Girdwood0168bf02011-06-07 16:08:05 +01001078 for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
1079 order++) {
1080 for (dai = 0; dai < card->num_rtd; dai++)
Stephen Warren62ae68f2012-06-08 12:34:23 -06001081 soc_remove_link_dais(card, dai, order);
Liam Girdwood0168bf02011-06-07 16:08:05 +01001082 }
Stephen Warren62ae68f2012-06-08 12:34:23 -06001083
1084 for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
1085 order++) {
1086 for (dai = 0; dai < card->num_rtd; dai++)
1087 soc_remove_link_components(card, dai, order);
1088 }
1089
Kuninori Morimoto0671fd82011-04-08 14:50:44 +09001090 card->num_rtd = 0;
1091}
1092
Jarkko Nikulaead9b912010-11-13 20:40:44 +02001093static void soc_set_name_prefix(struct snd_soc_card *card,
1094 struct snd_soc_codec *codec)
1095{
1096 int i;
1097
Dimitris Papastamosff819b82010-12-02 14:53:03 +00001098 if (card->codec_conf == NULL)
Jarkko Nikulaead9b912010-11-13 20:40:44 +02001099 return;
1100
Dimitris Papastamosff819b82010-12-02 14:53:03 +00001101 for (i = 0; i < card->num_configs; i++) {
1102 struct snd_soc_codec_conf *map = &card->codec_conf[i];
Jarkko Nikulaead9b912010-11-13 20:40:44 +02001103 if (map->dev_name && !strcmp(codec->name, map->dev_name)) {
1104 codec->name_prefix = map->name_prefix;
1105 break;
1106 }
1107 }
1108}
1109
Jarkko Nikula589c3562010-12-06 16:27:07 +02001110static int soc_probe_codec(struct snd_soc_card *card,
1111 struct snd_soc_codec *codec)
1112{
1113 int ret = 0;
Mark Brown89b95ac02011-03-07 16:38:44 +00001114 const struct snd_soc_codec_driver *driver = codec->driver;
Mark Brown888df392012-02-16 19:37:51 -08001115 struct snd_soc_dai *dai;
Jarkko Nikula589c3562010-12-06 16:27:07 +02001116
1117 codec->card = card;
1118 codec->dapm.card = card;
1119 soc_set_name_prefix(card, codec);
1120
Jarkko Nikula70d29332011-01-27 16:24:22 +02001121 if (!try_module_get(codec->dev->driver->owner))
1122 return -ENODEV;
1123
Lars-Peter Clausend5d1e0b2011-04-30 19:45:49 +02001124 soc_init_codec_debugfs(codec);
1125
Lars-Peter Clausen77530152011-05-05 16:59:09 +02001126 if (driver->dapm_widgets)
1127 snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets,
1128 driver->num_dapm_widgets);
1129
Mark Brown888df392012-02-16 19:37:51 -08001130 /* Create DAPM widgets for each DAI stream */
1131 list_for_each_entry(dai, &dai_list, list) {
1132 if (dai->dev != codec->dev)
1133 continue;
1134
1135 snd_soc_dapm_new_dai_widgets(&codec->dapm, dai);
1136 }
1137
Mark Brown33c5f962011-08-22 18:40:30 +01001138 codec->dapm.idle_bias_off = driver->idle_bias_off;
1139
Mark Brown89b95ac02011-03-07 16:38:44 +00001140 if (driver->probe) {
1141 ret = driver->probe(codec);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001142 if (ret < 0) {
1143 dev_err(codec->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001144 "ASoC: failed to probe CODEC %d\n", ret);
Jarkko Nikula70d29332011-01-27 16:24:22 +02001145 goto err_probe;
Jarkko Nikula589c3562010-12-06 16:27:07 +02001146 }
Chuansheng Liuff541f42012-12-21 18:17:12 +08001147 WARN(codec->dapm.idle_bias_off &&
1148 codec->dapm.bias_level != SND_SOC_BIAS_OFF,
Michał Mirosław10e8aa92013-05-04 22:21:38 +02001149 "codec %s can not start from non-off bias with idle_bias_off==1\n",
1150 codec->name);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001151 }
1152
Mark Brown38cbf952012-06-22 13:04:02 +01001153 /* If the driver didn't set I/O up try regmap */
Mark Brown98d30882012-08-01 20:05:47 +01001154 if (!codec->write && dev_get_regmap(codec->dev, NULL))
Mark Brown38cbf952012-06-22 13:04:02 +01001155 snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
1156
Mark Brownb7af1da2011-04-07 19:18:44 +09001157 if (driver->controls)
Liam Girdwood022658b2012-02-03 17:43:09 +00001158 snd_soc_add_codec_controls(codec, driver->controls,
Mark Brownb7af1da2011-04-07 19:18:44 +09001159 driver->num_controls);
Mark Brown89b95ac02011-03-07 16:38:44 +00001160 if (driver->dapm_routes)
1161 snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes,
1162 driver->num_dapm_routes);
1163
Jarkko Nikula589c3562010-12-06 16:27:07 +02001164 /* mark codec as probed and add to card codec list */
1165 codec->probed = 1;
1166 list_add(&codec->card_list, &card->codec_dev_list);
Jarkko Nikula7be31be82010-12-14 12:18:32 +02001167 list_add(&codec->dapm.list, &card->dapm_list);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001168
Jarkko Nikula70d29332011-01-27 16:24:22 +02001169 return 0;
1170
1171err_probe:
Lars-Peter Clausend5d1e0b2011-04-30 19:45:49 +02001172 soc_cleanup_codec_debugfs(codec);
Jarkko Nikula70d29332011-01-27 16:24:22 +02001173 module_put(codec->dev->driver->owner);
1174
Jarkko Nikula589c3562010-12-06 16:27:07 +02001175 return ret;
1176}
1177
Liam Girdwood956245e2011-07-01 16:54:08 +01001178static int soc_probe_platform(struct snd_soc_card *card,
1179 struct snd_soc_platform *platform)
1180{
1181 int ret = 0;
1182 const struct snd_soc_platform_driver *driver = platform->driver;
Liam Girdwoodbe09ad92012-03-07 11:47:41 +00001183 struct snd_soc_dai *dai;
Liam Girdwood956245e2011-07-01 16:54:08 +01001184
1185 platform->card = card;
Liam Girdwoodb7950642011-07-04 22:10:52 +01001186 platform->dapm.card = card;
Liam Girdwood956245e2011-07-01 16:54:08 +01001187
1188 if (!try_module_get(platform->dev->driver->owner))
1189 return -ENODEV;
1190
Sebastien Guiriec731f1ab2012-02-15 15:25:31 +00001191 soc_init_platform_debugfs(platform);
1192
Liam Girdwoodcb2cf612011-07-04 22:10:53 +01001193 if (driver->dapm_widgets)
1194 snd_soc_dapm_new_controls(&platform->dapm,
1195 driver->dapm_widgets, driver->num_dapm_widgets);
1196
Liam Girdwoodbe09ad92012-03-07 11:47:41 +00001197 /* Create DAPM widgets for each DAI stream */
1198 list_for_each_entry(dai, &dai_list, list) {
1199 if (dai->dev != platform->dev)
1200 continue;
1201
1202 snd_soc_dapm_new_dai_widgets(&platform->dapm, dai);
1203 }
1204
Stephen Warren3fec6b62012-04-05 12:28:01 -06001205 platform->dapm.idle_bias_off = 1;
1206
Liam Girdwood956245e2011-07-01 16:54:08 +01001207 if (driver->probe) {
1208 ret = driver->probe(platform);
1209 if (ret < 0) {
1210 dev_err(platform->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001211 "ASoC: failed to probe platform %d\n", ret);
Liam Girdwood956245e2011-07-01 16:54:08 +01001212 goto err_probe;
1213 }
1214 }
1215
Liam Girdwoodcb2cf612011-07-04 22:10:53 +01001216 if (driver->controls)
1217 snd_soc_add_platform_controls(platform, driver->controls,
1218 driver->num_controls);
1219 if (driver->dapm_routes)
1220 snd_soc_dapm_add_routes(&platform->dapm, driver->dapm_routes,
1221 driver->num_dapm_routes);
1222
Liam Girdwood956245e2011-07-01 16:54:08 +01001223 /* mark platform as probed and add to card platform list */
1224 platform->probed = 1;
1225 list_add(&platform->card_list, &card->platform_dev_list);
Liam Girdwoodb7950642011-07-04 22:10:52 +01001226 list_add(&platform->dapm.list, &card->dapm_list);
Liam Girdwood956245e2011-07-01 16:54:08 +01001227
1228 return 0;
1229
1230err_probe:
Liam Girdwood02db1102012-03-02 16:13:44 +00001231 soc_cleanup_platform_debugfs(platform);
Liam Girdwood956245e2011-07-01 16:54:08 +01001232 module_put(platform->dev->driver->owner);
1233
1234 return ret;
1235}
1236
Mark Brown36ae1a92012-01-06 17:12:45 -08001237static void rtd_release(struct device *dev)
1238{
1239 kfree(dev);
1240}
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001241
Jarkko Nikula589c3562010-12-06 16:27:07 +02001242static int soc_post_component_init(struct snd_soc_card *card,
1243 struct snd_soc_codec *codec,
1244 int num, int dailess)
1245{
1246 struct snd_soc_dai_link *dai_link = NULL;
1247 struct snd_soc_aux_dev *aux_dev = NULL;
1248 struct snd_soc_pcm_runtime *rtd;
1249 const char *temp, *name;
1250 int ret = 0;
1251
1252 if (!dailess) {
1253 dai_link = &card->dai_link[num];
1254 rtd = &card->rtd[num];
1255 name = dai_link->name;
1256 } else {
1257 aux_dev = &card->aux_dev[num];
1258 rtd = &card->rtd_aux[num];
1259 name = aux_dev->name;
1260 }
Janusz Krzysztofik0962bb22011-02-02 21:11:41 +01001261 rtd->card = card;
Jarkko Nikula589c3562010-12-06 16:27:07 +02001262
1263 /* machine controls, routes and widgets are not prefixed */
1264 temp = codec->name_prefix;
1265 codec->name_prefix = NULL;
1266
1267 /* do machine specific initialization */
1268 if (!dailess && dai_link->init)
1269 ret = dai_link->init(rtd);
1270 else if (dailess && aux_dev->init)
1271 ret = aux_dev->init(&codec->dapm);
1272 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001273 dev_err(card->dev, "ASoC: failed to init %s: %d\n", name, ret);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001274 return ret;
1275 }
1276 codec->name_prefix = temp;
1277
Jarkko Nikula589c3562010-12-06 16:27:07 +02001278 /* register the rtd device */
1279 rtd->codec = codec;
Mark Brown36ae1a92012-01-06 17:12:45 -08001280
1281 rtd->dev = kzalloc(sizeof(struct device), GFP_KERNEL);
1282 if (!rtd->dev)
1283 return -ENOMEM;
1284 device_initialize(rtd->dev);
1285 rtd->dev->parent = card->dev;
1286 rtd->dev->release = rtd_release;
1287 rtd->dev->init_name = name;
1288 dev_set_drvdata(rtd->dev, rtd);
Liam Girdwoodb8c0dab2011-06-09 17:04:39 +01001289 mutex_init(&rtd->pcm_mutex);
Liam Girdwood01d75842012-04-25 12:12:49 +01001290 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].be_clients);
1291 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].be_clients);
1292 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_PLAYBACK].fe_clients);
1293 INIT_LIST_HEAD(&rtd->dpcm[SNDRV_PCM_STREAM_CAPTURE].fe_clients);
Mark Brown36ae1a92012-01-06 17:12:45 -08001294 ret = device_add(rtd->dev);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001295 if (ret < 0) {
Chuansheng Liu865df9c2012-12-26 00:56:05 +08001296 /* calling put_device() here to free the rtd->dev */
1297 put_device(rtd->dev);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001298 dev_err(card->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001299 "ASoC: failed to register runtime device: %d\n", ret);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001300 return ret;
1301 }
1302 rtd->dev_registered = 1;
1303
1304 /* add DAPM sysfs entries for this codec */
Mark Brown36ae1a92012-01-06 17:12:45 -08001305 ret = snd_soc_dapm_sys_add(rtd->dev);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001306 if (ret < 0)
1307 dev_err(codec->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001308 "ASoC: failed to add codec dapm sysfs entries: %d\n", ret);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001309
1310 /* add codec sysfs entries */
Mark Brown36ae1a92012-01-06 17:12:45 -08001311 ret = device_create_file(rtd->dev, &dev_attr_codec_reg);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001312 if (ret < 0)
1313 dev_err(codec->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001314 "ASoC: failed to add codec sysfs files: %d\n", ret);
Jarkko Nikula589c3562010-12-06 16:27:07 +02001315
Liam Girdwoodf86dcef2012-04-25 12:12:50 +01001316#ifdef CONFIG_DEBUG_FS
1317 /* add DPCM sysfs entries */
Liam Girdwoodcd0f8912012-04-30 11:05:30 +01001318 if (!dailess && !dai_link->dynamic)
Liam Girdwoodf86dcef2012-04-25 12:12:50 +01001319 goto out;
1320
1321 ret = soc_dpcm_debugfs_add(rtd);
1322 if (ret < 0)
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001323 dev_err(rtd->dev, "ASoC: failed to add dpcm sysfs entries: %d\n", ret);
Liam Girdwoodf86dcef2012-04-25 12:12:50 +01001324
1325out:
1326#endif
Jarkko Nikula589c3562010-12-06 16:27:07 +02001327 return 0;
1328}
1329
Stephen Warren62ae68f2012-06-08 12:34:23 -06001330static int soc_probe_link_components(struct snd_soc_card *card, int num,
1331 int order)
1332{
1333 struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
1334 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
1335 struct snd_soc_dai *codec_dai = rtd->codec_dai;
1336 struct snd_soc_platform *platform = rtd->platform;
1337 int ret;
1338
1339 /* probe the CPU-side component, if it is a CODEC */
1340 if (cpu_dai->codec &&
1341 !cpu_dai->codec->probed &&
1342 cpu_dai->codec->driver->probe_order == order) {
1343 ret = soc_probe_codec(card, cpu_dai->codec);
1344 if (ret < 0)
1345 return ret;
1346 }
1347
1348 /* probe the CODEC-side component */
1349 if (!codec_dai->codec->probed &&
1350 codec_dai->codec->driver->probe_order == order) {
1351 ret = soc_probe_codec(card, codec_dai->codec);
1352 if (ret < 0)
1353 return ret;
1354 }
1355
1356 /* probe the platform */
1357 if (!platform->probed &&
1358 platform->driver->probe_order == order) {
1359 ret = soc_probe_platform(card, platform);
1360 if (ret < 0)
1361 return ret;
1362 }
1363
1364 return 0;
1365}
1366
1367static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001368{
1369 struct snd_soc_dai_link *dai_link = &card->dai_link[num];
1370 struct snd_soc_pcm_runtime *rtd = &card->rtd[num];
1371 struct snd_soc_codec *codec = rtd->codec;
1372 struct snd_soc_platform *platform = rtd->platform;
Mark Brownc74184e2012-04-04 22:12:09 +01001373 struct snd_soc_dai *codec_dai = rtd->codec_dai;
1374 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
1375 struct snd_soc_dapm_widget *play_w, *capture_w;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001376 int ret;
1377
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001378 dev_dbg(card->dev, "ASoC: probe %s dai link %d late %d\n",
Liam Girdwood0168bf02011-06-07 16:08:05 +01001379 card->name, num, order);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001380
1381 /* config components */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001382 cpu_dai->platform = platform;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001383 codec_dai->card = card;
1384 cpu_dai->card = card;
1385
1386 /* set default power off timeout */
1387 rtd->pmdown_time = pmdown_time;
1388
1389 /* probe the cpu_dai */
Liam Girdwood0168bf02011-06-07 16:08:05 +01001390 if (!cpu_dai->probed &&
1391 cpu_dai->driver->probe_order == order) {
Stephen Warrena9db7db2012-06-08 12:34:20 -06001392 if (!cpu_dai->codec) {
1393 cpu_dai->dapm.card = card;
1394 if (!try_module_get(cpu_dai->dev->driver->owner))
1395 return -ENODEV;
Liam Girdwood61b61e32011-05-24 13:57:43 +01001396
Stephen Warren18d75642012-06-08 12:34:21 -06001397 list_add(&cpu_dai->dapm.list, &card->dapm_list);
Stephen Warrena9db7db2012-06-08 12:34:20 -06001398 }
Liam Girdwoodbe09ad92012-03-07 11:47:41 +00001399
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001400 if (cpu_dai->driver->probe) {
1401 ret = cpu_dai->driver->probe(cpu_dai);
1402 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001403 dev_err(cpu_dai->dev,
1404 "ASoC: failed to probe CPU DAI %s: %d\n",
1405 cpu_dai->name, ret);
Liam Girdwood61b61e32011-05-24 13:57:43 +01001406 module_put(cpu_dai->dev->driver->owner);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001407 return ret;
1408 }
1409 }
1410 cpu_dai->probed = 1;
Wolfram Sang1c8371d2011-07-17 18:00:26 +02001411 /* mark cpu_dai as probed and add to card dai list */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001412 list_add(&cpu_dai->card_list, &card->dai_dev_list);
1413 }
1414
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001415 /* probe the CODEC DAI */
Liam Girdwood0168bf02011-06-07 16:08:05 +01001416 if (!codec_dai->probed && codec_dai->driver->probe_order == order) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001417 if (codec_dai->driver->probe) {
1418 ret = codec_dai->driver->probe(codec_dai);
1419 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001420 dev_err(codec_dai->dev,
1421 "ASoC: failed to probe CODEC DAI %s: %d\n",
1422 codec_dai->name, ret);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001423 return ret;
Mark Brown6b05eda2008-12-08 19:26:48 +00001424 }
1425 }
1426
Wolfram Sang1c8371d2011-07-17 18:00:26 +02001427 /* mark codec_dai as probed and add to card dai list */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001428 codec_dai->probed = 1;
1429 list_add(&codec_dai->card_list, &card->dai_dev_list);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001430 }
1431
Liam Girdwood0168bf02011-06-07 16:08:05 +01001432 /* complete DAI probe during last probe */
1433 if (order != SND_SOC_COMP_ORDER_LAST)
1434 return 0;
1435
Jarkko Nikula589c3562010-12-06 16:27:07 +02001436 ret = soc_post_component_init(card, codec, num, 0);
1437 if (ret)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001438 return ret;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001439
Mark Brown36ae1a92012-01-06 17:12:45 -08001440 ret = device_create_file(rtd->dev, &dev_attr_pmdown_time);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001441 if (ret < 0)
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001442 dev_warn(rtd->dev, "ASoC: failed to add pmdown_time sysfs: %d\n",
1443 ret);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001444
Namarta Kohli1245b702012-08-16 17:10:41 +05301445 if (cpu_dai->driver->compress_dai) {
1446 /*create compress_device"*/
1447 ret = soc_new_compress(rtd, num);
Mark Brownc74184e2012-04-04 22:12:09 +01001448 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001449 dev_err(card->dev, "ASoC: can't create compress %s\n",
Namarta Kohli1245b702012-08-16 17:10:41 +05301450 dai_link->stream_name);
Mark Brownc74184e2012-04-04 22:12:09 +01001451 return ret;
1452 }
1453 } else {
Namarta Kohli1245b702012-08-16 17:10:41 +05301454
1455 if (!dai_link->params) {
1456 /* create the pcm */
1457 ret = soc_new_pcm(rtd, num);
1458 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001459 dev_err(card->dev, "ASoC: can't create pcm %s :%d\n",
Namarta Kohli1245b702012-08-16 17:10:41 +05301460 dai_link->stream_name, ret);
Mark Brownc74184e2012-04-04 22:12:09 +01001461 return ret;
1462 }
Namarta Kohli1245b702012-08-16 17:10:41 +05301463 } else {
Richard Fitzgerald9d58a072013-08-05 13:17:28 +01001464 INIT_DELAYED_WORK(&rtd->delayed_work,
1465 codec2codec_close_delayed_work);
1466
Namarta Kohli1245b702012-08-16 17:10:41 +05301467 /* link the DAI widgets */
1468 play_w = codec_dai->playback_widget;
1469 capture_w = cpu_dai->capture_widget;
1470 if (play_w && capture_w) {
1471 ret = snd_soc_dapm_new_pcm(card, dai_link->params,
Mark Brownc74184e2012-04-04 22:12:09 +01001472 capture_w, play_w);
Namarta Kohli1245b702012-08-16 17:10:41 +05301473 if (ret != 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001474 dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n",
Namarta Kohli1245b702012-08-16 17:10:41 +05301475 play_w->name, capture_w->name, ret);
1476 return ret;
1477 }
1478 }
1479
1480 play_w = cpu_dai->playback_widget;
1481 capture_w = codec_dai->capture_widget;
1482 if (play_w && capture_w) {
1483 ret = snd_soc_dapm_new_pcm(card, dai_link->params,
1484 capture_w, play_w);
1485 if (ret != 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001486 dev_err(card->dev, "ASoC: Can't link %s to %s: %d\n",
Namarta Kohli1245b702012-08-16 17:10:41 +05301487 play_w->name, capture_w->name, ret);
1488 return ret;
1489 }
Mark Brownc74184e2012-04-04 22:12:09 +01001490 }
1491 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001492 }
1493
1494 /* add platform data for AC97 devices */
1495 if (rtd->codec_dai->driver->ac97_control)
1496 snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata);
1497
1498 return 0;
1499}
1500
1501#ifdef CONFIG_SND_SOC_AC97_BUS
1502static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd)
1503{
1504 int ret;
1505
1506 /* Only instantiate AC97 if not already done by the adaptor
1507 * for the generic AC97 subsystem.
1508 */
1509 if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) {
Mika Westerberg0562f782010-10-13 11:30:32 +03001510 /*
1511 * It is possible that the AC97 device is already registered to
1512 * the device subsystem. This happens when the device is created
1513 * via snd_ac97_mixer(). Currently only SoC codec that does so
1514 * is the generic AC97 glue but others migh emerge.
1515 *
1516 * In those cases we don't try to register the device again.
1517 */
1518 if (!rtd->codec->ac97_created)
1519 return 0;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001520
1521 ret = soc_ac97_dev_register(rtd->codec);
1522 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001523 dev_err(rtd->codec->dev,
1524 "ASoC: AC97 device register failed: %d\n", ret);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001525 return ret;
1526 }
1527
1528 rtd->codec->ac97_registered = 1;
1529 }
1530 return 0;
1531}
1532
1533static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec)
1534{
1535 if (codec->ac97_registered) {
1536 soc_ac97_dev_unregister(codec);
1537 codec->ac97_registered = 0;
1538 }
1539}
1540#endif
1541
Mark Brownb19e6e72012-03-14 21:18:39 +00001542static int soc_check_aux_dev(struct snd_soc_card *card, int num)
1543{
1544 struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
1545 struct snd_soc_codec *codec;
1546
1547 /* find CODEC from registered CODECs*/
1548 list_for_each_entry(codec, &codec_list, list) {
1549 if (!strcmp(codec->name, aux_dev->codec_name))
1550 return 0;
1551 }
1552
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001553 dev_err(card->dev, "ASoC: %s not registered\n", aux_dev->codec_name);
Mark Brownfb099cb2012-08-09 18:44:37 +01001554
Mark Brownb19e6e72012-03-14 21:18:39 +00001555 return -EPROBE_DEFER;
1556}
1557
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001558static int soc_probe_aux_dev(struct snd_soc_card *card, int num)
1559{
1560 struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001561 struct snd_soc_codec *codec;
Jarkko Nikula676ad982010-12-03 09:18:22 +02001562 int ret = -ENODEV;
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001563
1564 /* find CODEC from registered CODECs*/
1565 list_for_each_entry(codec, &codec_list, list) {
1566 if (!strcmp(codec->name, aux_dev->codec_name)) {
1567 if (codec->probed) {
1568 dev_err(codec->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001569 "ASoC: codec already probed");
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001570 ret = -EBUSY;
1571 goto out;
1572 }
Jarkko Nikula676ad982010-12-03 09:18:22 +02001573 goto found;
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001574 }
1575 }
Jarkko Nikula676ad982010-12-03 09:18:22 +02001576 /* codec not found */
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001577 dev_err(card->dev, "ASoC: codec %s not found", aux_dev->codec_name);
Mark Brownb19e6e72012-03-14 21:18:39 +00001578 return -EPROBE_DEFER;
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001579
Jarkko Nikula676ad982010-12-03 09:18:22 +02001580found:
Jarkko Nikula589c3562010-12-06 16:27:07 +02001581 ret = soc_probe_codec(card, codec);
1582 if (ret < 0)
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001583 return ret;
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001584
Jarkko Nikula589c3562010-12-06 16:27:07 +02001585 ret = soc_post_component_init(card, codec, num, 1);
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001586
1587out:
1588 return ret;
1589}
1590
1591static void soc_remove_aux_dev(struct snd_soc_card *card, int num)
1592{
1593 struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num];
1594 struct snd_soc_codec *codec = rtd->codec;
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001595
1596 /* unregister the rtd device */
1597 if (rtd->dev_registered) {
Mark Brown36ae1a92012-01-06 17:12:45 -08001598 device_remove_file(rtd->dev, &dev_attr_codec_reg);
Chuansheng Liud3bf1562012-12-26 00:57:32 +08001599 device_unregister(rtd->dev);
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001600 rtd->dev_registered = 0;
1601 }
1602
Jarkko Nikula589c3562010-12-06 16:27:07 +02001603 if (codec && codec->probed)
1604 soc_remove_codec(codec);
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001605}
1606
Lars-Peter Clausenf90fb3f2013-08-31 20:31:15 +02001607static int snd_soc_init_codec_cache(struct snd_soc_codec *codec)
Dimitris Papastamosfdf0f542010-12-02 16:11:06 +00001608{
1609 int ret;
1610
1611 if (codec->cache_init)
1612 return 0;
1613
Dimitris Papastamosfdf0f542010-12-02 16:11:06 +00001614 ret = snd_soc_cache_init(codec);
1615 if (ret < 0) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02001616 dev_err(codec->dev,
1617 "ASoC: Failed to set cache compression type: %d\n",
1618 ret);
Dimitris Papastamosfdf0f542010-12-02 16:11:06 +00001619 return ret;
1620 }
1621 codec->cache_init = 1;
1622 return 0;
1623}
1624
Mark Brownb19e6e72012-03-14 21:18:39 +00001625static int snd_soc_instantiate_card(struct snd_soc_card *card)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001626{
Dimitris Papastamosfdf0f542010-12-02 16:11:06 +00001627 struct snd_soc_codec *codec;
Mark Brown75d9ac42011-09-27 16:41:01 +01001628 struct snd_soc_dai_link *dai_link;
Mark Brownf04209a2012-04-09 16:29:21 +01001629 int ret, i, order, dai_fmt;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001630
Liam Girdwood01b9d992012-03-07 10:38:25 +00001631 mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_INIT);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001632
Mark Brownb19e6e72012-03-14 21:18:39 +00001633 /* bind DAIs */
1634 for (i = 0; i < card->num_links; i++) {
1635 ret = soc_bind_dai_link(card, i);
1636 if (ret != 0)
1637 goto base_error;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001638 }
1639
Mark Brownb19e6e72012-03-14 21:18:39 +00001640 /* check aux_devs too */
1641 for (i = 0; i < card->num_aux_devs; i++) {
1642 ret = soc_check_aux_dev(card, i);
1643 if (ret != 0)
1644 goto base_error;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001645 }
1646
Dimitris Papastamosfdf0f542010-12-02 16:11:06 +00001647 /* initialize the register cache for each available codec */
1648 list_for_each_entry(codec, &codec_list, list) {
1649 if (codec->cache_init)
1650 continue;
Lars-Peter Clausenf90fb3f2013-08-31 20:31:15 +02001651 ret = snd_soc_init_codec_cache(codec);
Mark Brownb19e6e72012-03-14 21:18:39 +00001652 if (ret < 0)
1653 goto base_error;
Dimitris Papastamosfdf0f542010-12-02 16:11:06 +00001654 }
1655
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001656 /* card bind complete so register a sound card */
1657 ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
1658 card->owner, 0, &card->snd_card);
1659 if (ret < 0) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02001660 dev_err(card->dev,
1661 "ASoC: can't create sound card for card %s: %d\n",
1662 card->name, ret);
Mark Brownb19e6e72012-03-14 21:18:39 +00001663 goto base_error;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001664 }
1665 card->snd_card->dev = card->dev;
1666
Mark Browne37a4972011-03-02 18:21:57 +00001667 card->dapm.bias_level = SND_SOC_BIAS_OFF;
1668 card->dapm.dev = card->dev;
1669 card->dapm.card = card;
1670 list_add(&card->dapm.list, &card->dapm_list);
1671
Lars-Peter Clausend5d1e0b2011-04-30 19:45:49 +02001672#ifdef CONFIG_DEBUG_FS
1673 snd_soc_dapm_debugfs_init(&card->dapm, card->debugfs_card_root);
1674#endif
1675
Mark Brown88ee1c62011-02-02 10:43:26 +00001676#ifdef CONFIG_PM_SLEEP
Andy Green6ed25972008-06-13 16:24:05 +01001677 /* deferred resume work */
Mark Brown63084192008-12-02 15:08:03 +00001678 INIT_WORK(&card->deferred_resume_work, soc_resume_deferred);
Randy Dunlap1301a962008-06-17 19:19:34 +01001679#endif
Andy Green6ed25972008-06-13 16:24:05 +01001680
Mark Brown9a841eb2011-04-12 17:51:37 -07001681 if (card->dapm_widgets)
1682 snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets,
1683 card->num_dapm_widgets);
1684
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001685 /* initialise the sound card only once */
1686 if (card->probe) {
Mark Browne7361ec2011-01-26 14:17:20 +00001687 ret = card->probe(card);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001688 if (ret < 0)
1689 goto card_probe_error;
1690 }
1691
Stephen Warren62ae68f2012-06-08 12:34:23 -06001692 /* probe all components used by DAI links on this card */
Liam Girdwood0168bf02011-06-07 16:08:05 +01001693 for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
1694 order++) {
1695 for (i = 0; i < card->num_links; i++) {
Stephen Warren62ae68f2012-06-08 12:34:23 -06001696 ret = soc_probe_link_components(card, i, order);
Liam Girdwood0168bf02011-06-07 16:08:05 +01001697 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001698 dev_err(card->dev,
1699 "ASoC: failed to instantiate card %d\n",
1700 ret);
Stephen Warren62ae68f2012-06-08 12:34:23 -06001701 goto probe_dai_err;
1702 }
1703 }
1704 }
1705
1706 /* probe all DAI links on this card */
1707 for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
1708 order++) {
1709 for (i = 0; i < card->num_links; i++) {
1710 ret = soc_probe_link_dais(card, i, order);
1711 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001712 dev_err(card->dev,
1713 "ASoC: failed to instantiate card %d\n",
1714 ret);
Liam Girdwood0168bf02011-06-07 16:08:05 +01001715 goto probe_dai_err;
1716 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001717 }
1718 }
1719
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001720 for (i = 0; i < card->num_aux_devs; i++) {
1721 ret = soc_probe_aux_dev(card, i);
1722 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001723 dev_err(card->dev,
1724 "ASoC: failed to add auxiliary devices %d\n",
1725 ret);
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001726 goto probe_aux_dev_err;
1727 }
1728 }
1729
Mark Brown888df392012-02-16 19:37:51 -08001730 snd_soc_dapm_link_dai_widgets(card);
Liam Girdwoodb893ea52014-01-08 10:40:19 +00001731 snd_soc_dapm_connect_dai_link_widgets(card);
Mark Brown888df392012-02-16 19:37:51 -08001732
Mark Brownb7af1da2011-04-07 19:18:44 +09001733 if (card->controls)
Liam Girdwood022658b2012-02-03 17:43:09 +00001734 snd_soc_add_card_controls(card, card->controls, card->num_controls);
Mark Brownb7af1da2011-04-07 19:18:44 +09001735
Mark Brownb8ad29d2011-03-02 18:35:51 +00001736 if (card->dapm_routes)
1737 snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes,
1738 card->num_dapm_routes);
1739
Mark Brown75d9ac42011-09-27 16:41:01 +01001740 for (i = 0; i < card->num_links; i++) {
1741 dai_link = &card->dai_link[i];
Mark Brownf04209a2012-04-09 16:29:21 +01001742 dai_fmt = dai_link->dai_fmt;
Mark Brown75d9ac42011-09-27 16:41:01 +01001743
Mark Brownf04209a2012-04-09 16:29:21 +01001744 if (dai_fmt) {
Mark Brown75d9ac42011-09-27 16:41:01 +01001745 ret = snd_soc_dai_set_fmt(card->rtd[i].codec_dai,
Mark Brownf04209a2012-04-09 16:29:21 +01001746 dai_fmt);
Shawn Guo5e4ba562012-03-09 00:59:40 +08001747 if (ret != 0 && ret != -ENOTSUPP)
Mark Brown75d9ac42011-09-27 16:41:01 +01001748 dev_warn(card->rtd[i].codec_dai->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001749 "ASoC: Failed to set DAI format: %d\n",
Mark Brown75d9ac42011-09-27 16:41:01 +01001750 ret);
Mark Brownf04209a2012-04-09 16:29:21 +01001751 }
1752
1753 /* If this is a regular CPU link there will be a platform */
Stephen Warrenfe33d4c2012-05-14 14:47:22 -06001754 if (dai_fmt &&
1755 (dai_link->platform_name || dai_link->platform_of_node)) {
Mark Brownf04209a2012-04-09 16:29:21 +01001756 ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai,
1757 dai_fmt);
1758 if (ret != 0 && ret != -ENOTSUPP)
1759 dev_warn(card->rtd[i].cpu_dai->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001760 "ASoC: Failed to set DAI format: %d\n",
Mark Brownf04209a2012-04-09 16:29:21 +01001761 ret);
1762 } else if (dai_fmt) {
1763 /* Flip the polarity for the "CPU" end */
1764 dai_fmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
1765 switch (dai_link->dai_fmt &
1766 SND_SOC_DAIFMT_MASTER_MASK) {
1767 case SND_SOC_DAIFMT_CBM_CFM:
1768 dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
1769 break;
1770 case SND_SOC_DAIFMT_CBM_CFS:
1771 dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
1772 break;
1773 case SND_SOC_DAIFMT_CBS_CFM:
1774 dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
1775 break;
1776 case SND_SOC_DAIFMT_CBS_CFS:
1777 dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
1778 break;
1779 }
Mark Brown75d9ac42011-09-27 16:41:01 +01001780
1781 ret = snd_soc_dai_set_fmt(card->rtd[i].cpu_dai,
Mark Brownf04209a2012-04-09 16:29:21 +01001782 dai_fmt);
Shawn Guo5e4ba562012-03-09 00:59:40 +08001783 if (ret != 0 && ret != -ENOTSUPP)
Mark Brown75d9ac42011-09-27 16:41:01 +01001784 dev_warn(card->rtd[i].cpu_dai->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001785 "ASoC: Failed to set DAI format: %d\n",
Mark Brown75d9ac42011-09-27 16:41:01 +01001786 ret);
1787 }
1788 }
1789
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001790 snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname),
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001791 "%s", card->name);
Liam Girdwood22de71b2011-05-12 16:14:04 +01001792 snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
1793 "%s", card->long_name ? card->long_name : card->name);
Mark Brownf0e8ed82011-09-20 11:41:54 +01001794 snprintf(card->snd_card->driver, sizeof(card->snd_card->driver),
1795 "%s", card->driver_name ? card->driver_name : card->name);
1796 for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) {
1797 switch (card->snd_card->driver[i]) {
1798 case '_':
1799 case '-':
1800 case '\0':
1801 break;
1802 default:
1803 if (!isalnum(card->snd_card->driver[i]))
1804 card->snd_card->driver[i] = '_';
1805 break;
1806 }
1807 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001808
Mark Brown28e9ad92011-03-02 18:36:34 +00001809 if (card->late_probe) {
1810 ret = card->late_probe(card);
1811 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001812 dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n",
Mark Brown28e9ad92011-03-02 18:36:34 +00001813 card->name, ret);
1814 goto probe_aux_dev_err;
1815 }
1816 }
1817
Stephen Warren16332812011-11-23 12:42:04 -07001818 if (card->fully_routed)
Mark Brownb05d8dc2011-11-27 19:38:34 +00001819 list_for_each_entry(codec, &card->codec_dev_list, card_list)
Stephen Warren16332812011-11-23 12:42:04 -07001820 snd_soc_dapm_auto_nc_codec_pins(codec);
1821
Lars-Peter Clausen824ef822013-08-27 15:51:01 +02001822 snd_soc_dapm_new_widgets(card);
Lars-Peter Clausen8c193b82013-08-27 15:51:00 +02001823
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001824 ret = snd_card_register(card->snd_card);
1825 if (ret < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001826 dev_err(card->dev, "ASoC: failed to register soundcard %d\n",
1827 ret);
Axel Lin6b3ed782010-12-07 16:12:29 +08001828 goto probe_aux_dev_err;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001829 }
1830
1831#ifdef CONFIG_SND_SOC_AC97_BUS
1832 /* register any AC97 codecs */
1833 for (i = 0; i < card->num_rtd; i++) {
Axel Lin6b3ed782010-12-07 16:12:29 +08001834 ret = soc_register_ac97_dai_link(&card->rtd[i]);
1835 if (ret < 0) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02001836 dev_err(card->dev,
1837 "ASoC: failed to register AC97: %d\n", ret);
Axel Lin6b3ed782010-12-07 16:12:29 +08001838 while (--i >= 0)
Mark Brown7d8316d2010-12-13 17:03:27 +00001839 soc_unregister_ac97_dai_link(card->rtd[i].codec);
Axel Lin6b3ed782010-12-07 16:12:29 +08001840 goto probe_aux_dev_err;
Mark Brownfe3e78e2009-11-03 22:13:13 +00001841 }
Axel Lin6b3ed782010-12-07 16:12:29 +08001842 }
Mark Brownfe3e78e2009-11-03 22:13:13 +00001843#endif
1844
Mark Brown435c5e22008-12-04 15:32:53 +00001845 card->instantiated = 1;
Mark Brown4f4c0072011-10-07 14:29:19 +01001846 snd_soc_dapm_sync(&card->dapm);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001847 mutex_unlock(&card->mutex);
Mark Brownb19e6e72012-03-14 21:18:39 +00001848
1849 return 0;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001850
Jarkko Nikula2eea3922010-11-25 17:47:38 +02001851probe_aux_dev_err:
1852 for (i = 0; i < card->num_aux_devs; i++)
1853 soc_remove_aux_dev(card, i);
1854
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001855probe_dai_err:
Kuninori Morimoto0671fd82011-04-08 14:50:44 +09001856 soc_remove_dai_links(card);
Mark Brownfe3e78e2009-11-03 22:13:13 +00001857
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001858card_probe_error:
Mark Brown87506542008-11-18 20:50:34 +00001859 if (card->remove)
Mark Browne7361ec2011-01-26 14:17:20 +00001860 card->remove(card);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001861
1862 snd_card_free(card->snd_card);
1863
Mark Brownb19e6e72012-03-14 21:18:39 +00001864base_error:
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001865 mutex_unlock(&card->mutex);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001866
Mark Brownb19e6e72012-03-14 21:18:39 +00001867 return ret;
Mark Brown435c5e22008-12-04 15:32:53 +00001868}
1869
1870/* probes a new socdev */
1871static int soc_probe(struct platform_device *pdev)
1872{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001873 struct snd_soc_card *card = platform_get_drvdata(pdev);
Mark Brown435c5e22008-12-04 15:32:53 +00001874
Vinod Koul70a7ca32011-01-14 19:22:48 +05301875 /*
1876 * no card, so machine driver should be registering card
1877 * we should not be here in that case so ret error
1878 */
1879 if (!card)
1880 return -EINVAL;
1881
Mark Brownfe4085e2012-03-02 13:07:41 +00001882 dev_warn(&pdev->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00001883 "ASoC: machine %s should use snd_soc_register_card()\n",
Mark Brownfe4085e2012-03-02 13:07:41 +00001884 card->name);
1885
Mark Brown435c5e22008-12-04 15:32:53 +00001886 /* Bodge while we unpick instantiation */
1887 card->dev = &pdev->dev;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001888
Mark Brown28d528c2012-08-09 18:45:23 +01001889 return snd_soc_register_card(card);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001890}
1891
Vinod Koulb0e26482011-01-13 22:48:02 +05301892static int soc_cleanup_card_resources(struct snd_soc_card *card)
1893{
Vinod Koulb0e26482011-01-13 22:48:02 +05301894 int i;
1895
1896 /* make sure any delayed work runs */
1897 for (i = 0; i < card->num_rtd; i++) {
1898 struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
Tejun Heo43829732012-08-20 14:51:24 -07001899 flush_delayed_work(&rtd->delayed_work);
Vinod Koulb0e26482011-01-13 22:48:02 +05301900 }
1901
1902 /* remove auxiliary devices */
1903 for (i = 0; i < card->num_aux_devs; i++)
1904 soc_remove_aux_dev(card, i);
1905
1906 /* remove and free each DAI */
Kuninori Morimoto0671fd82011-04-08 14:50:44 +09001907 soc_remove_dai_links(card);
Vinod Koulb0e26482011-01-13 22:48:02 +05301908
1909 soc_cleanup_card_debugfs(card);
1910
1911 /* remove the card */
1912 if (card->remove)
Mark Browne7361ec2011-01-26 14:17:20 +00001913 card->remove(card);
Vinod Koulb0e26482011-01-13 22:48:02 +05301914
Lars-Peter Clausen0aaae522011-04-30 19:45:47 +02001915 snd_soc_dapm_free(&card->dapm);
1916
Vinod Koulb0e26482011-01-13 22:48:02 +05301917 snd_card_free(card->snd_card);
1918 return 0;
1919
1920}
1921
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001922/* removes a socdev */
1923static int soc_remove(struct platform_device *pdev)
1924{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001925 struct snd_soc_card *card = platform_get_drvdata(pdev);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001926
Mark Brownc5af3a22008-11-28 13:29:45 +00001927 snd_soc_unregister_card(card);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001928 return 0;
1929}
1930
Mark Brown6f8ab4a2011-01-26 14:59:27 +00001931int snd_soc_poweroff(struct device *dev)
Mark Brown51737472009-06-22 13:16:51 +01001932{
Mark Brown6f8ab4a2011-01-26 14:59:27 +00001933 struct snd_soc_card *card = dev_get_drvdata(dev);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001934 int i;
Mark Brown51737472009-06-22 13:16:51 +01001935
1936 if (!card->instantiated)
Mark Brown416356f2009-06-30 19:05:15 +01001937 return 0;
Mark Brown51737472009-06-22 13:16:51 +01001938
1939 /* Flush out pmdown_time work - we actually do want to run it
1940 * now, we're shutting down so no imminent restart. */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001941 for (i = 0; i < card->num_rtd; i++) {
1942 struct snd_soc_pcm_runtime *rtd = &card->rtd[i];
Tejun Heo43829732012-08-20 14:51:24 -07001943 flush_delayed_work(&rtd->delayed_work);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001944 }
Mark Brown51737472009-06-22 13:16:51 +01001945
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00001946 snd_soc_dapm_shutdown(card);
Mark Brown416356f2009-06-30 19:05:15 +01001947
Nicolin Chen988e8cc2013-11-04 14:57:31 +08001948 /* deactivate pins to sleep state */
1949 for (i = 0; i < card->num_rtd; i++) {
1950 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
1951 struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
1952 pinctrl_pm_select_sleep_state(codec_dai->dev);
1953 pinctrl_pm_select_sleep_state(cpu_dai->dev);
1954 }
1955
Mark Brown416356f2009-06-30 19:05:15 +01001956 return 0;
Mark Brown51737472009-06-22 13:16:51 +01001957}
Mark Brown6f8ab4a2011-01-26 14:59:27 +00001958EXPORT_SYMBOL_GPL(snd_soc_poweroff);
Mark Brown51737472009-06-22 13:16:51 +01001959
Mark Brown6f8ab4a2011-01-26 14:59:27 +00001960const struct dev_pm_ops snd_soc_pm_ops = {
Viresh Kumarb1dd5892012-02-24 16:25:49 +05301961 .suspend = snd_soc_suspend,
1962 .resume = snd_soc_resume,
1963 .freeze = snd_soc_suspend,
1964 .thaw = snd_soc_resume,
Mark Brown6f8ab4a2011-01-26 14:59:27 +00001965 .poweroff = snd_soc_poweroff,
Viresh Kumarb1dd5892012-02-24 16:25:49 +05301966 .restore = snd_soc_resume,
Mark Brown416356f2009-06-30 19:05:15 +01001967};
Stephen Warrendeb26072011-04-05 19:35:30 -06001968EXPORT_SYMBOL_GPL(snd_soc_pm_ops);
Mark Brown416356f2009-06-30 19:05:15 +01001969
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001970/* ASoC platform driver */
1971static struct platform_driver soc_driver = {
1972 .driver = {
1973 .name = "soc-audio",
Kay Sievers8b45a202008-04-14 13:33:36 +02001974 .owner = THIS_MODULE,
Mark Brown6f8ab4a2011-01-26 14:59:27 +00001975 .pm = &snd_soc_pm_ops,
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001976 },
1977 .probe = soc_probe,
1978 .remove = soc_remove,
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001979};
1980
Mark Brown096e49d2009-07-05 15:12:22 +01001981/**
1982 * snd_soc_codec_volatile_register: Report if a register is volatile.
1983 *
1984 * @codec: CODEC to query.
1985 * @reg: Register to query.
1986 *
1987 * Boolean function indiciating if a CODEC register is volatile.
1988 */
Mark Brown181e0552011-01-24 14:05:25 +00001989int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
1990 unsigned int reg)
Mark Brown096e49d2009-07-05 15:12:22 +01001991{
Dimitris Papastamos1500b7b2011-01-13 12:20:38 +00001992 if (codec->volatile_register)
1993 return codec->volatile_register(codec, reg);
Mark Brown096e49d2009-07-05 15:12:22 +01001994 else
1995 return 0;
1996}
1997EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register);
1998
Frank Mandarinodb2a4162006-10-06 18:31:09 +02001999/**
Dimitris Papastamos239c9702011-03-24 13:45:18 +00002000 * snd_soc_codec_readable_register: Report if a register is readable.
2001 *
2002 * @codec: CODEC to query.
2003 * @reg: Register to query.
2004 *
2005 * Boolean function indicating if a CODEC register is readable.
2006 */
2007int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
2008 unsigned int reg)
2009{
2010 if (codec->readable_register)
2011 return codec->readable_register(codec, reg);
2012 else
Lars-Peter Clausen63fa0a22011-08-27 18:24:12 +02002013 return 1;
Dimitris Papastamos239c9702011-03-24 13:45:18 +00002014}
2015EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register);
2016
2017/**
2018 * snd_soc_codec_writable_register: Report if a register is writable.
2019 *
2020 * @codec: CODEC to query.
2021 * @reg: Register to query.
2022 *
2023 * Boolean function indicating if a CODEC register is writable.
2024 */
2025int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
2026 unsigned int reg)
2027{
2028 if (codec->writable_register)
2029 return codec->writable_register(codec, reg);
2030 else
Lars-Peter Clausen63fa0a22011-08-27 18:24:12 +02002031 return 1;
Dimitris Papastamos239c9702011-03-24 13:45:18 +00002032}
2033EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);
2034
Liam Girdwoodf1442bc2011-07-04 11:10:15 +01002035int snd_soc_platform_read(struct snd_soc_platform *platform,
2036 unsigned int reg)
2037{
2038 unsigned int ret;
2039
2040 if (!platform->driver->read) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00002041 dev_err(platform->dev, "ASoC: platform has no read back\n");
Liam Girdwoodf1442bc2011-07-04 11:10:15 +01002042 return -1;
2043 }
2044
2045 ret = platform->driver->read(platform, reg);
2046 dev_dbg(platform->dev, "read %x => %x\n", reg, ret);
Liam Girdwooda82ce2a2011-07-04 22:10:50 +01002047 trace_snd_soc_preg_read(platform, reg, ret);
Liam Girdwoodf1442bc2011-07-04 11:10:15 +01002048
2049 return ret;
2050}
2051EXPORT_SYMBOL_GPL(snd_soc_platform_read);
2052
2053int snd_soc_platform_write(struct snd_soc_platform *platform,
2054 unsigned int reg, unsigned int val)
2055{
2056 if (!platform->driver->write) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00002057 dev_err(platform->dev, "ASoC: platform has no write back\n");
Liam Girdwoodf1442bc2011-07-04 11:10:15 +01002058 return -1;
2059 }
2060
2061 dev_dbg(platform->dev, "write %x = %x\n", reg, val);
Liam Girdwooda82ce2a2011-07-04 22:10:50 +01002062 trace_snd_soc_preg_write(platform, reg, val);
Liam Girdwoodf1442bc2011-07-04 11:10:15 +01002063 return platform->driver->write(platform, reg, val);
2064}
2065EXPORT_SYMBOL_GPL(snd_soc_platform_write);
2066
Dimitris Papastamos239c9702011-03-24 13:45:18 +00002067/**
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002068 * snd_soc_new_ac97_codec - initailise AC97 device
2069 * @codec: audio codec
2070 * @ops: AC97 bus operations
2071 * @num: AC97 codec number
2072 *
2073 * Initialises AC97 codec resources for use by ad-hoc devices only.
2074 */
2075int snd_soc_new_ac97_codec(struct snd_soc_codec *codec,
2076 struct snd_ac97_bus_ops *ops, int num)
2077{
2078 mutex_lock(&codec->mutex);
2079
2080 codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL);
2081 if (codec->ac97 == NULL) {
2082 mutex_unlock(&codec->mutex);
2083 return -ENOMEM;
2084 }
2085
2086 codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL);
2087 if (codec->ac97->bus == NULL) {
2088 kfree(codec->ac97);
2089 codec->ac97 = NULL;
2090 mutex_unlock(&codec->mutex);
2091 return -ENOMEM;
2092 }
2093
2094 codec->ac97->bus->ops = ops;
2095 codec->ac97->num = num;
Mika Westerberg0562f782010-10-13 11:30:32 +03002096
2097 /*
2098 * Mark the AC97 device to be created by us. This way we ensure that the
2099 * device will be registered with the device subsystem later on.
2100 */
2101 codec->ac97_created = 1;
2102
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002103 mutex_unlock(&codec->mutex);
2104 return 0;
2105}
2106EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec);
2107
Markus Pargmann741a5092013-08-19 17:05:55 +02002108static struct snd_ac97_reset_cfg snd_ac97_rst_cfg;
2109
2110static void snd_soc_ac97_warm_reset(struct snd_ac97 *ac97)
2111{
2112 struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
2113
2114 pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_warm_reset);
2115
2116 gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 1);
2117
2118 udelay(10);
2119
2120 gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
2121
2122 pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
2123 msleep(2);
2124}
2125
2126static void snd_soc_ac97_reset(struct snd_ac97 *ac97)
2127{
2128 struct pinctrl *pctl = snd_ac97_rst_cfg.pctl;
2129
2130 pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_reset);
2131
2132 gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
2133 gpio_direction_output(snd_ac97_rst_cfg.gpio_sdata, 0);
2134 gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 0);
2135
2136 udelay(10);
2137
2138 gpio_direction_output(snd_ac97_rst_cfg.gpio_reset, 1);
2139
2140 pinctrl_select_state(pctl, snd_ac97_rst_cfg.pstate_run);
2141 msleep(2);
2142}
2143
2144static int snd_soc_ac97_parse_pinctl(struct device *dev,
2145 struct snd_ac97_reset_cfg *cfg)
2146{
2147 struct pinctrl *p;
2148 struct pinctrl_state *state;
2149 int gpio;
2150 int ret;
2151
2152 p = devm_pinctrl_get(dev);
2153 if (IS_ERR(p)) {
2154 dev_err(dev, "Failed to get pinctrl\n");
2155 return PTR_RET(p);
2156 }
2157 cfg->pctl = p;
2158
2159 state = pinctrl_lookup_state(p, "ac97-reset");
2160 if (IS_ERR(state)) {
2161 dev_err(dev, "Can't find pinctrl state ac97-reset\n");
2162 return PTR_RET(state);
2163 }
2164 cfg->pstate_reset = state;
2165
2166 state = pinctrl_lookup_state(p, "ac97-warm-reset");
2167 if (IS_ERR(state)) {
2168 dev_err(dev, "Can't find pinctrl state ac97-warm-reset\n");
2169 return PTR_RET(state);
2170 }
2171 cfg->pstate_warm_reset = state;
2172
2173 state = pinctrl_lookup_state(p, "ac97-running");
2174 if (IS_ERR(state)) {
2175 dev_err(dev, "Can't find pinctrl state ac97-running\n");
2176 return PTR_RET(state);
2177 }
2178 cfg->pstate_run = state;
2179
2180 gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 0);
2181 if (gpio < 0) {
2182 dev_err(dev, "Can't find ac97-sync gpio\n");
2183 return gpio;
2184 }
2185 ret = devm_gpio_request(dev, gpio, "AC97 link sync");
2186 if (ret) {
2187 dev_err(dev, "Failed requesting ac97-sync gpio\n");
2188 return ret;
2189 }
2190 cfg->gpio_sync = gpio;
2191
2192 gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 1);
2193 if (gpio < 0) {
2194 dev_err(dev, "Can't find ac97-sdata gpio %d\n", gpio);
2195 return gpio;
2196 }
2197 ret = devm_gpio_request(dev, gpio, "AC97 link sdata");
2198 if (ret) {
2199 dev_err(dev, "Failed requesting ac97-sdata gpio\n");
2200 return ret;
2201 }
2202 cfg->gpio_sdata = gpio;
2203
2204 gpio = of_get_named_gpio(dev->of_node, "ac97-gpios", 2);
2205 if (gpio < 0) {
2206 dev_err(dev, "Can't find ac97-reset gpio\n");
2207 return gpio;
2208 }
2209 ret = devm_gpio_request(dev, gpio, "AC97 link reset");
2210 if (ret) {
2211 dev_err(dev, "Failed requesting ac97-reset gpio\n");
2212 return ret;
2213 }
2214 cfg->gpio_reset = gpio;
2215
2216 return 0;
2217}
2218
Mark Brownb047e1c2013-06-26 12:45:59 +01002219struct snd_ac97_bus_ops *soc_ac97_ops;
Kevin Hilmanf74b5e22013-06-28 11:17:49 -07002220EXPORT_SYMBOL_GPL(soc_ac97_ops);
Mark Brownb047e1c2013-06-26 12:45:59 +01002221
2222int snd_soc_set_ac97_ops(struct snd_ac97_bus_ops *ops)
2223{
2224 if (ops == soc_ac97_ops)
2225 return 0;
2226
2227 if (soc_ac97_ops && ops)
2228 return -EBUSY;
2229
2230 soc_ac97_ops = ops;
2231
2232 return 0;
2233}
2234EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops);
2235
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002236/**
Markus Pargmann741a5092013-08-19 17:05:55 +02002237 * snd_soc_set_ac97_ops_of_reset - Set ac97 ops with generic ac97 reset functions
2238 *
2239 * This function sets the reset and warm_reset properties of ops and parses
2240 * the device node of pdev to get pinctrl states and gpio numbers to use.
2241 */
2242int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops,
2243 struct platform_device *pdev)
2244{
2245 struct device *dev = &pdev->dev;
2246 struct snd_ac97_reset_cfg cfg;
2247 int ret;
2248
2249 ret = snd_soc_ac97_parse_pinctl(dev, &cfg);
2250 if (ret)
2251 return ret;
2252
2253 ret = snd_soc_set_ac97_ops(ops);
2254 if (ret)
2255 return ret;
2256
2257 ops->warm_reset = snd_soc_ac97_warm_reset;
2258 ops->reset = snd_soc_ac97_reset;
2259
2260 snd_ac97_rst_cfg = cfg;
2261 return 0;
2262}
2263EXPORT_SYMBOL_GPL(snd_soc_set_ac97_ops_of_reset);
2264
2265/**
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002266 * snd_soc_free_ac97_codec - free AC97 codec device
2267 * @codec: audio codec
2268 *
2269 * Frees AC97 codec device resources.
2270 */
2271void snd_soc_free_ac97_codec(struct snd_soc_codec *codec)
2272{
2273 mutex_lock(&codec->mutex);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00002274#ifdef CONFIG_SND_SOC_AC97_BUS
2275 soc_unregister_ac97_dai_link(codec);
2276#endif
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002277 kfree(codec->ac97->bus);
2278 kfree(codec->ac97);
2279 codec->ac97 = NULL;
Mika Westerberg0562f782010-10-13 11:30:32 +03002280 codec->ac97_created = 0;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002281 mutex_unlock(&codec->mutex);
2282}
2283EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec);
2284
Mark Brownc3753702010-11-01 15:41:57 -04002285unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg)
2286{
2287 unsigned int ret;
2288
Mark Brownc3acec22010-12-02 16:15:29 +00002289 ret = codec->read(codec, reg);
Mark Brownc3753702010-11-01 15:41:57 -04002290 dev_dbg(codec->dev, "read %x => %x\n", reg, ret);
Mark Browna8b1d342010-11-03 18:05:58 -04002291 trace_snd_soc_reg_read(codec, reg, ret);
Mark Brownc3753702010-11-01 15:41:57 -04002292
2293 return ret;
2294}
2295EXPORT_SYMBOL_GPL(snd_soc_read);
2296
2297unsigned int snd_soc_write(struct snd_soc_codec *codec,
2298 unsigned int reg, unsigned int val)
2299{
2300 dev_dbg(codec->dev, "write %x = %x\n", reg, val);
Mark Browna8b1d342010-11-03 18:05:58 -04002301 trace_snd_soc_reg_write(codec, reg, val);
Mark Brownc3acec22010-12-02 16:15:29 +00002302 return codec->write(codec, reg, val);
Mark Brownc3753702010-11-01 15:41:57 -04002303}
2304EXPORT_SYMBOL_GPL(snd_soc_write);
2305
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002306/**
2307 * snd_soc_update_bits - update codec register bits
2308 * @codec: audio codec
2309 * @reg: codec register
2310 * @mask: register mask
2311 * @value: new value
2312 *
2313 * Writes new register value.
2314 *
Timur Tabi180c3292011-01-10 15:58:13 -06002315 * Returns 1 for change, 0 for no change, or negative error code.
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002316 */
2317int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg,
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002318 unsigned int mask, unsigned int value)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002319{
Mark Brown8a713da2011-12-03 12:33:55 +00002320 bool change;
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002321 unsigned int old, new;
Timur Tabi180c3292011-01-10 15:58:13 -06002322 int ret;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002323
Mark Brown8a713da2011-12-03 12:33:55 +00002324 if (codec->using_regmap) {
2325 ret = regmap_update_bits_check(codec->control_data, reg,
2326 mask, value, &change);
2327 } else {
2328 ret = snd_soc_read(codec, reg);
Timur Tabi180c3292011-01-10 15:58:13 -06002329 if (ret < 0)
2330 return ret;
Mark Brown8a713da2011-12-03 12:33:55 +00002331
2332 old = ret;
2333 new = (old & ~mask) | (value & mask);
2334 change = old != new;
2335 if (change)
2336 ret = snd_soc_write(codec, reg, new);
Timur Tabi180c3292011-01-10 15:58:13 -06002337 }
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002338
Mark Brown8a713da2011-12-03 12:33:55 +00002339 if (ret < 0)
2340 return ret;
2341
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002342 return change;
2343}
2344EXPORT_SYMBOL_GPL(snd_soc_update_bits);
2345
2346/**
Eero Nurkkala6c508c62009-10-30 13:34:03 +02002347 * snd_soc_update_bits_locked - update codec register bits
2348 * @codec: audio codec
2349 * @reg: codec register
2350 * @mask: register mask
2351 * @value: new value
2352 *
2353 * Writes new register value, and takes the codec mutex.
2354 *
2355 * Returns 1 for change else 0.
2356 */
Mark Browndd1b3d52009-12-04 14:22:03 +00002357int snd_soc_update_bits_locked(struct snd_soc_codec *codec,
2358 unsigned short reg, unsigned int mask,
2359 unsigned int value)
Eero Nurkkala6c508c62009-10-30 13:34:03 +02002360{
2361 int change;
2362
2363 mutex_lock(&codec->mutex);
2364 change = snd_soc_update_bits(codec, reg, mask, value);
2365 mutex_unlock(&codec->mutex);
2366
2367 return change;
2368}
Mark Browndd1b3d52009-12-04 14:22:03 +00002369EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked);
Eero Nurkkala6c508c62009-10-30 13:34:03 +02002370
2371/**
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002372 * snd_soc_test_bits - test register for change
2373 * @codec: audio codec
2374 * @reg: codec register
2375 * @mask: register mask
2376 * @value: new value
2377 *
2378 * Tests a register with a new value and checks if the new value is
2379 * different from the old value.
2380 *
2381 * Returns 1 for change else 0.
2382 */
2383int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg,
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002384 unsigned int mask, unsigned int value)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002385{
2386 int change;
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002387 unsigned int old, new;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002388
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002389 old = snd_soc_read(codec, reg);
2390 new = (old & ~mask) | value;
2391 change = old != new;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002392
2393 return change;
2394}
2395EXPORT_SYMBOL_GPL(snd_soc_test_bits);
2396
2397/**
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002398 * snd_soc_cnew - create new control
2399 * @_template: control template
2400 * @data: control private data
Mark Brownac11a2b2009-01-01 12:18:17 +00002401 * @long_name: control long name
Mark Brownefb7ac32011-03-08 17:23:24 +00002402 * @prefix: control name prefix
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002403 *
2404 * Create a new mixer control from a template control.
2405 *
2406 * Returns 0 for success, else error.
2407 */
2408struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template,
Mark Brown30565572012-02-16 17:07:42 -08002409 void *data, const char *long_name,
Mark Brownefb7ac32011-03-08 17:23:24 +00002410 const char *prefix)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002411{
2412 struct snd_kcontrol_new template;
Mark Brownefb7ac32011-03-08 17:23:24 +00002413 struct snd_kcontrol *kcontrol;
2414 char *name = NULL;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002415
2416 memcpy(&template, _template, sizeof(template));
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002417 template.index = 0;
2418
Mark Brownefb7ac32011-03-08 17:23:24 +00002419 if (!long_name)
2420 long_name = template.name;
2421
2422 if (prefix) {
Lars-Peter Clausen2b581072013-05-14 11:05:32 +02002423 name = kasprintf(GFP_KERNEL, "%s %s", prefix, long_name);
Mark Brownefb7ac32011-03-08 17:23:24 +00002424 if (!name)
2425 return NULL;
2426
Mark Brownefb7ac32011-03-08 17:23:24 +00002427 template.name = name;
2428 } else {
2429 template.name = long_name;
2430 }
2431
2432 kcontrol = snd_ctl_new1(&template, data);
2433
2434 kfree(name);
2435
2436 return kcontrol;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002437}
2438EXPORT_SYMBOL_GPL(snd_soc_cnew);
2439
Liam Girdwood022658b2012-02-03 17:43:09 +00002440static int snd_soc_add_controls(struct snd_card *card, struct device *dev,
2441 const struct snd_kcontrol_new *controls, int num_controls,
2442 const char *prefix, void *data)
2443{
2444 int err, i;
2445
2446 for (i = 0; i < num_controls; i++) {
2447 const struct snd_kcontrol_new *control = &controls[i];
2448 err = snd_ctl_add(card, snd_soc_cnew(control, data,
2449 control->name, prefix));
2450 if (err < 0) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00002451 dev_err(dev, "ASoC: Failed to add %s: %d\n",
2452 control->name, err);
Liam Girdwood022658b2012-02-03 17:43:09 +00002453 return err;
2454 }
2455 }
2456
2457 return 0;
2458}
2459
Dimitris Papastamos4fefd692013-07-29 13:51:58 +01002460struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
2461 const char *name)
2462{
2463 struct snd_card *card = soc_card->snd_card;
2464 struct snd_kcontrol *kctl;
2465
2466 if (unlikely(!name))
2467 return NULL;
2468
2469 list_for_each_entry(kctl, &card->controls, list)
2470 if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
2471 return kctl;
2472 return NULL;
2473}
2474EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
2475
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002476/**
Liam Girdwood022658b2012-02-03 17:43:09 +00002477 * snd_soc_add_codec_controls - add an array of controls to a codec.
2478 * Convenience function to add a list of controls. Many codecs were
Ian Molton3e8e1952009-01-09 00:23:21 +00002479 * duplicating this code.
2480 *
2481 * @codec: codec to add controls to
2482 * @controls: array of controls to add
2483 * @num_controls: number of elements in the array
2484 *
2485 * Return 0 for success, else error.
2486 */
Liam Girdwood022658b2012-02-03 17:43:09 +00002487int snd_soc_add_codec_controls(struct snd_soc_codec *codec,
Ian Molton3e8e1952009-01-09 00:23:21 +00002488 const struct snd_kcontrol_new *controls, int num_controls)
2489{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00002490 struct snd_card *card = codec->card->snd_card;
Ian Molton3e8e1952009-01-09 00:23:21 +00002491
Liam Girdwood022658b2012-02-03 17:43:09 +00002492 return snd_soc_add_controls(card, codec->dev, controls, num_controls,
2493 codec->name_prefix, codec);
Ian Molton3e8e1952009-01-09 00:23:21 +00002494}
Liam Girdwood022658b2012-02-03 17:43:09 +00002495EXPORT_SYMBOL_GPL(snd_soc_add_codec_controls);
Ian Molton3e8e1952009-01-09 00:23:21 +00002496
2497/**
Liam Girdwooda491a5c2011-07-04 22:10:51 +01002498 * snd_soc_add_platform_controls - add an array of controls to a platform.
Liam Girdwood022658b2012-02-03 17:43:09 +00002499 * Convenience function to add a list of controls.
Liam Girdwooda491a5c2011-07-04 22:10:51 +01002500 *
2501 * @platform: platform to add controls to
2502 * @controls: array of controls to add
2503 * @num_controls: number of elements in the array
2504 *
2505 * Return 0 for success, else error.
2506 */
2507int snd_soc_add_platform_controls(struct snd_soc_platform *platform,
2508 const struct snd_kcontrol_new *controls, int num_controls)
2509{
2510 struct snd_card *card = platform->card->snd_card;
Liam Girdwooda491a5c2011-07-04 22:10:51 +01002511
Liam Girdwood022658b2012-02-03 17:43:09 +00002512 return snd_soc_add_controls(card, platform->dev, controls, num_controls,
2513 NULL, platform);
Liam Girdwooda491a5c2011-07-04 22:10:51 +01002514}
2515EXPORT_SYMBOL_GPL(snd_soc_add_platform_controls);
2516
2517/**
Liam Girdwood022658b2012-02-03 17:43:09 +00002518 * snd_soc_add_card_controls - add an array of controls to a SoC card.
2519 * Convenience function to add a list of controls.
2520 *
2521 * @soc_card: SoC card to add controls to
2522 * @controls: array of controls to add
2523 * @num_controls: number of elements in the array
2524 *
2525 * Return 0 for success, else error.
2526 */
2527int snd_soc_add_card_controls(struct snd_soc_card *soc_card,
2528 const struct snd_kcontrol_new *controls, int num_controls)
2529{
2530 struct snd_card *card = soc_card->snd_card;
2531
2532 return snd_soc_add_controls(card, soc_card->dev, controls, num_controls,
2533 NULL, soc_card);
2534}
2535EXPORT_SYMBOL_GPL(snd_soc_add_card_controls);
2536
2537/**
2538 * snd_soc_add_dai_controls - add an array of controls to a DAI.
2539 * Convienience function to add a list of controls.
2540 *
2541 * @dai: DAI to add controls to
2542 * @controls: array of controls to add
2543 * @num_controls: number of elements in the array
2544 *
2545 * Return 0 for success, else error.
2546 */
2547int snd_soc_add_dai_controls(struct snd_soc_dai *dai,
2548 const struct snd_kcontrol_new *controls, int num_controls)
2549{
2550 struct snd_card *card = dai->card->snd_card;
2551
2552 return snd_soc_add_controls(card, dai->dev, controls, num_controls,
2553 NULL, dai);
2554}
2555EXPORT_SYMBOL_GPL(snd_soc_add_dai_controls);
2556
2557/**
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002558 * snd_soc_info_enum_double - enumerated double mixer info callback
2559 * @kcontrol: mixer control
2560 * @uinfo: control element information
2561 *
2562 * Callback to provide information about a double enumerated
2563 * mixer control.
2564 *
2565 * Returns 0 for success.
2566 */
2567int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol,
2568 struct snd_ctl_elem_info *uinfo)
2569{
2570 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
2571
2572 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2573 uinfo->count = e->shift_l == e->shift_r ? 1 : 2;
Jon Smirlf8ba0b72008-07-29 11:42:27 +01002574 uinfo->value.enumerated.items = e->max;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002575
Jon Smirlf8ba0b72008-07-29 11:42:27 +01002576 if (uinfo->value.enumerated.item > e->max - 1)
2577 uinfo->value.enumerated.item = e->max - 1;
Takashi Iwaia19685c2013-10-28 14:21:46 +01002578 strlcpy(uinfo->value.enumerated.name,
2579 e->texts[uinfo->value.enumerated.item],
2580 sizeof(uinfo->value.enumerated.name));
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002581 return 0;
2582}
2583EXPORT_SYMBOL_GPL(snd_soc_info_enum_double);
2584
2585/**
2586 * snd_soc_get_enum_double - enumerated double mixer get callback
2587 * @kcontrol: mixer control
Mark Brownac11a2b2009-01-01 12:18:17 +00002588 * @ucontrol: control element information
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002589 *
2590 * Callback to get the value of a double enumerated mixer.
2591 *
2592 * Returns 0 for success.
2593 */
2594int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol,
2595 struct snd_ctl_elem_value *ucontrol)
2596{
2597 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2598 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
Lars-Peter Clausen86767b72012-09-14 13:57:27 +02002599 unsigned int val;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002600
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002601 val = snd_soc_read(codec, e->reg);
Mark Brown3ff3f642008-05-19 12:32:25 +02002602 ucontrol->value.enumerated.item[0]
Lars-Peter Clausen86767b72012-09-14 13:57:27 +02002603 = (val >> e->shift_l) & e->mask;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002604 if (e->shift_l != e->shift_r)
2605 ucontrol->value.enumerated.item[1] =
Lars-Peter Clausen86767b72012-09-14 13:57:27 +02002606 (val >> e->shift_r) & e->mask;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002607
2608 return 0;
2609}
2610EXPORT_SYMBOL_GPL(snd_soc_get_enum_double);
2611
2612/**
2613 * snd_soc_put_enum_double - enumerated double mixer put callback
2614 * @kcontrol: mixer control
Mark Brownac11a2b2009-01-01 12:18:17 +00002615 * @ucontrol: control element information
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002616 *
2617 * Callback to set the value of a double enumerated mixer.
2618 *
2619 * Returns 0 for success.
2620 */
2621int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol,
2622 struct snd_ctl_elem_value *ucontrol)
2623{
2624 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2625 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002626 unsigned int val;
Lars-Peter Clausen86767b72012-09-14 13:57:27 +02002627 unsigned int mask;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002628
Jon Smirlf8ba0b72008-07-29 11:42:27 +01002629 if (ucontrol->value.enumerated.item[0] > e->max - 1)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002630 return -EINVAL;
2631 val = ucontrol->value.enumerated.item[0] << e->shift_l;
Lars-Peter Clausen86767b72012-09-14 13:57:27 +02002632 mask = e->mask << e->shift_l;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002633 if (e->shift_l != e->shift_r) {
Jon Smirlf8ba0b72008-07-29 11:42:27 +01002634 if (ucontrol->value.enumerated.item[1] > e->max - 1)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002635 return -EINVAL;
2636 val |= ucontrol->value.enumerated.item[1] << e->shift_r;
Lars-Peter Clausen86767b72012-09-14 13:57:27 +02002637 mask |= e->mask << e->shift_r;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002638 }
2639
Eero Nurkkala6c508c62009-10-30 13:34:03 +02002640 return snd_soc_update_bits_locked(codec, e->reg, mask, val);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002641}
2642EXPORT_SYMBOL_GPL(snd_soc_put_enum_double);
2643
2644/**
Peter Ujfalusi2e72f8e2009-01-05 09:54:57 +02002645 * snd_soc_get_value_enum_double - semi enumerated double mixer get callback
2646 * @kcontrol: mixer control
2647 * @ucontrol: control element information
2648 *
2649 * Callback to get the value of a double semi enumerated mixer.
2650 *
2651 * Semi enumerated mixer: the enumerated items are referred as values. Can be
2652 * used for handling bitfield coded enumeration for example.
2653 *
2654 * Returns 0 for success.
2655 */
2656int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol,
2657 struct snd_ctl_elem_value *ucontrol)
2658{
2659 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Peter Ujfalusi74155552009-01-08 13:34:29 +02002660 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002661 unsigned int reg_val, val, mux;
Peter Ujfalusi2e72f8e2009-01-05 09:54:57 +02002662
2663 reg_val = snd_soc_read(codec, e->reg);
2664 val = (reg_val >> e->shift_l) & e->mask;
2665 for (mux = 0; mux < e->max; mux++) {
2666 if (val == e->values[mux])
2667 break;
2668 }
2669 ucontrol->value.enumerated.item[0] = mux;
2670 if (e->shift_l != e->shift_r) {
2671 val = (reg_val >> e->shift_r) & e->mask;
2672 for (mux = 0; mux < e->max; mux++) {
2673 if (val == e->values[mux])
2674 break;
2675 }
2676 ucontrol->value.enumerated.item[1] = mux;
2677 }
2678
2679 return 0;
2680}
2681EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double);
2682
2683/**
2684 * snd_soc_put_value_enum_double - semi enumerated double mixer put callback
2685 * @kcontrol: mixer control
2686 * @ucontrol: control element information
2687 *
2688 * Callback to set the value of a double semi enumerated mixer.
2689 *
2690 * Semi enumerated mixer: the enumerated items are referred as values. Can be
2691 * used for handling bitfield coded enumeration for example.
2692 *
2693 * Returns 0 for success.
2694 */
2695int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol,
2696 struct snd_ctl_elem_value *ucontrol)
2697{
2698 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Peter Ujfalusi74155552009-01-08 13:34:29 +02002699 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
Daniel Ribeiro46f58222009-06-07 02:49:11 -03002700 unsigned int val;
2701 unsigned int mask;
Peter Ujfalusi2e72f8e2009-01-05 09:54:57 +02002702
2703 if (ucontrol->value.enumerated.item[0] > e->max - 1)
2704 return -EINVAL;
2705 val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
2706 mask = e->mask << e->shift_l;
2707 if (e->shift_l != e->shift_r) {
2708 if (ucontrol->value.enumerated.item[1] > e->max - 1)
2709 return -EINVAL;
2710 val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
2711 mask |= e->mask << e->shift_r;
2712 }
2713
Eero Nurkkala6c508c62009-10-30 13:34:03 +02002714 return snd_soc_update_bits_locked(codec, e->reg, mask, val);
Peter Ujfalusi2e72f8e2009-01-05 09:54:57 +02002715}
2716EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double);
2717
2718/**
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002719 * snd_soc_info_volsw - single mixer info callback
2720 * @kcontrol: mixer control
2721 * @uinfo: control element information
2722 *
Peter Ujfalusie8f5a102011-10-05 10:29:23 +03002723 * Callback to provide information about a single mixer control, or a double
2724 * mixer control that spans 2 registers.
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002725 *
2726 * Returns 0 for success.
2727 */
2728int snd_soc_info_volsw(struct snd_kcontrol *kcontrol,
2729 struct snd_ctl_elem_info *uinfo)
2730{
Jon Smirl4eaa9812008-07-29 11:42:26 +01002731 struct soc_mixer_control *mc =
2732 (struct soc_mixer_control *)kcontrol->private_value;
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03002733 int platform_max;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002734
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03002735 if (!mc->platform_max)
2736 mc->platform_max = mc->max;
2737 platform_max = mc->platform_max;
2738
2739 if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume"))
Philipp Zabela7a4ac82008-01-10 14:37:42 +01002740 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
2741 else
2742 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2743
Peter Ujfalusie8f5a102011-10-05 10:29:23 +03002744 uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002745 uinfo->value.integer.min = 0;
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03002746 uinfo->value.integer.max = platform_max;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002747 return 0;
2748}
2749EXPORT_SYMBOL_GPL(snd_soc_info_volsw);
2750
2751/**
2752 * snd_soc_get_volsw - single mixer get callback
2753 * @kcontrol: mixer control
Mark Brownac11a2b2009-01-01 12:18:17 +00002754 * @ucontrol: control element information
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002755 *
Peter Ujfalusif7915d92011-10-05 10:29:24 +03002756 * Callback to get the value of a single mixer control, or a double mixer
2757 * control that spans 2 registers.
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002758 *
2759 * Returns 0 for success.
2760 */
2761int snd_soc_get_volsw(struct snd_kcontrol *kcontrol,
2762 struct snd_ctl_elem_value *ucontrol)
2763{
Jon Smirl4eaa9812008-07-29 11:42:26 +01002764 struct soc_mixer_control *mc =
2765 (struct soc_mixer_control *)kcontrol->private_value;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002766 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002767 unsigned int reg = mc->reg;
Peter Ujfalusif7915d92011-10-05 10:29:24 +03002768 unsigned int reg2 = mc->rreg;
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002769 unsigned int shift = mc->shift;
2770 unsigned int rshift = mc->rshift;
Jon Smirl4eaa9812008-07-29 11:42:26 +01002771 int max = mc->max;
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002772 unsigned int mask = (1 << fls(max)) - 1;
2773 unsigned int invert = mc->invert;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002774
2775 ucontrol->value.integer.value[0] =
2776 (snd_soc_read(codec, reg) >> shift) & mask;
Peter Ujfalusif7915d92011-10-05 10:29:24 +03002777 if (invert)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002778 ucontrol->value.integer.value[0] =
Philipp Zabela7a4ac82008-01-10 14:37:42 +01002779 max - ucontrol->value.integer.value[0];
Peter Ujfalusif7915d92011-10-05 10:29:24 +03002780
2781 if (snd_soc_volsw_is_stereo(mc)) {
2782 if (reg == reg2)
2783 ucontrol->value.integer.value[1] =
2784 (snd_soc_read(codec, reg) >> rshift) & mask;
2785 else
2786 ucontrol->value.integer.value[1] =
2787 (snd_soc_read(codec, reg2) >> shift) & mask;
2788 if (invert)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002789 ucontrol->value.integer.value[1] =
Philipp Zabela7a4ac82008-01-10 14:37:42 +01002790 max - ucontrol->value.integer.value[1];
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002791 }
2792
2793 return 0;
2794}
2795EXPORT_SYMBOL_GPL(snd_soc_get_volsw);
2796
2797/**
2798 * snd_soc_put_volsw - single mixer put callback
2799 * @kcontrol: mixer control
Mark Brownac11a2b2009-01-01 12:18:17 +00002800 * @ucontrol: control element information
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002801 *
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002802 * Callback to set the value of a single mixer control, or a double mixer
2803 * control that spans 2 registers.
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002804 *
2805 * Returns 0 for success.
2806 */
2807int snd_soc_put_volsw(struct snd_kcontrol *kcontrol,
2808 struct snd_ctl_elem_value *ucontrol)
2809{
Jon Smirl4eaa9812008-07-29 11:42:26 +01002810 struct soc_mixer_control *mc =
2811 (struct soc_mixer_control *)kcontrol->private_value;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002812 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002813 unsigned int reg = mc->reg;
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002814 unsigned int reg2 = mc->rreg;
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002815 unsigned int shift = mc->shift;
2816 unsigned int rshift = mc->rshift;
Jon Smirl4eaa9812008-07-29 11:42:26 +01002817 int max = mc->max;
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002818 unsigned int mask = (1 << fls(max)) - 1;
2819 unsigned int invert = mc->invert;
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002820 int err;
2821 bool type_2r = 0;
2822 unsigned int val2 = 0;
2823 unsigned int val, val_mask;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002824
2825 val = (ucontrol->value.integer.value[0] & mask);
2826 if (invert)
Philipp Zabela7a4ac82008-01-10 14:37:42 +01002827 val = max - val;
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002828 val_mask = mask << shift;
2829 val = val << shift;
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002830 if (snd_soc_volsw_is_stereo(mc)) {
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002831 val2 = (ucontrol->value.integer.value[1] & mask);
2832 if (invert)
Philipp Zabela7a4ac82008-01-10 14:37:42 +01002833 val2 = max - val2;
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002834 if (reg == reg2) {
2835 val_mask |= mask << rshift;
2836 val |= val2 << rshift;
2837 } else {
2838 val2 = val2 << shift;
2839 type_2r = 1;
2840 }
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002841 }
Eero Nurkkala6c508c62009-10-30 13:34:03 +02002842 err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
Mark Brown3ff3f642008-05-19 12:32:25 +02002843 if (err < 0)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002844 return err;
2845
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002846 if (type_2r)
2847 err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2);
2848
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002849 return err;
2850}
Peter Ujfalusi974815b2011-10-05 10:29:25 +03002851EXPORT_SYMBOL_GPL(snd_soc_put_volsw);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02002852
Mark Browne13ac2e2008-05-28 17:58:05 +01002853/**
Brian Austin1d99f242012-03-30 10:43:55 -05002854 * snd_soc_get_volsw_sx - single mixer get callback
2855 * @kcontrol: mixer control
2856 * @ucontrol: control element information
2857 *
2858 * Callback to get the value of a single mixer control, or a double mixer
2859 * control that spans 2 registers.
2860 *
2861 * Returns 0 for success.
2862 */
2863int snd_soc_get_volsw_sx(struct snd_kcontrol *kcontrol,
2864 struct snd_ctl_elem_value *ucontrol)
2865{
2866 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2867 struct soc_mixer_control *mc =
2868 (struct soc_mixer_control *)kcontrol->private_value;
2869
2870 unsigned int reg = mc->reg;
2871 unsigned int reg2 = mc->rreg;
2872 unsigned int shift = mc->shift;
2873 unsigned int rshift = mc->rshift;
2874 int max = mc->max;
2875 int min = mc->min;
2876 int mask = (1 << (fls(min + max) - 1)) - 1;
2877
2878 ucontrol->value.integer.value[0] =
2879 ((snd_soc_read(codec, reg) >> shift) - min) & mask;
2880
2881 if (snd_soc_volsw_is_stereo(mc))
2882 ucontrol->value.integer.value[1] =
2883 ((snd_soc_read(codec, reg2) >> rshift) - min) & mask;
2884
2885 return 0;
2886}
2887EXPORT_SYMBOL_GPL(snd_soc_get_volsw_sx);
2888
2889/**
2890 * snd_soc_put_volsw_sx - double mixer set callback
2891 * @kcontrol: mixer control
2892 * @uinfo: control element information
2893 *
2894 * Callback to set the value of a double mixer control that spans 2 registers.
2895 *
2896 * Returns 0 for success.
2897 */
2898int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
2899 struct snd_ctl_elem_value *ucontrol)
2900{
2901 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
2902 struct soc_mixer_control *mc =
2903 (struct soc_mixer_control *)kcontrol->private_value;
2904
2905 unsigned int reg = mc->reg;
2906 unsigned int reg2 = mc->rreg;
2907 unsigned int shift = mc->shift;
2908 unsigned int rshift = mc->rshift;
2909 int max = mc->max;
2910 int min = mc->min;
2911 int mask = (1 << (fls(min + max) - 1)) - 1;
Brian Austin27f1d752012-04-03 11:33:50 -05002912 int err = 0;
Brian Austin1d99f242012-03-30 10:43:55 -05002913 unsigned short val, val_mask, val2 = 0;
2914
2915 val_mask = mask << shift;
2916 val = (ucontrol->value.integer.value[0] + min) & mask;
2917 val = val << shift;
2918
Mukund Navadad0558522012-11-09 11:53:40 +05302919 err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
2920 if (err < 0)
2921 return err;
Brian Austin1d99f242012-03-30 10:43:55 -05002922
2923 if (snd_soc_volsw_is_stereo(mc)) {
2924 val_mask = mask << rshift;
2925 val2 = (ucontrol->value.integer.value[1] + min) & mask;
2926 val2 = val2 << rshift;
2927
2928 if (snd_soc_update_bits_locked(codec, reg2, val_mask, val2))
2929 return err;
2930 }
2931 return 0;
2932}
2933EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
2934
2935/**
Mark Browne13ac2e2008-05-28 17:58:05 +01002936 * snd_soc_info_volsw_s8 - signed mixer info callback
2937 * @kcontrol: mixer control
2938 * @uinfo: control element information
2939 *
2940 * Callback to provide information about a signed mixer control.
2941 *
2942 * Returns 0 for success.
2943 */
2944int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol,
2945 struct snd_ctl_elem_info *uinfo)
2946{
Jon Smirl4eaa9812008-07-29 11:42:26 +01002947 struct soc_mixer_control *mc =
2948 (struct soc_mixer_control *)kcontrol->private_value;
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03002949 int platform_max;
Jon Smirl4eaa9812008-07-29 11:42:26 +01002950 int min = mc->min;
Mark Browne13ac2e2008-05-28 17:58:05 +01002951
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03002952 if (!mc->platform_max)
2953 mc->platform_max = mc->max;
2954 platform_max = mc->platform_max;
2955
Mark Browne13ac2e2008-05-28 17:58:05 +01002956 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
2957 uinfo->count = 2;
2958 uinfo->value.integer.min = 0;
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03002959 uinfo->value.integer.max = platform_max - min;
Mark Browne13ac2e2008-05-28 17:58:05 +01002960 return 0;
2961}
2962EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8);
2963
2964/**
2965 * snd_soc_get_volsw_s8 - signed mixer get callback
2966 * @kcontrol: mixer control
Mark Brownac11a2b2009-01-01 12:18:17 +00002967 * @ucontrol: control element information
Mark Browne13ac2e2008-05-28 17:58:05 +01002968 *
2969 * Callback to get the value of a signed mixer control.
2970 *
2971 * Returns 0 for success.
2972 */
2973int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol,
2974 struct snd_ctl_elem_value *ucontrol)
2975{
Jon Smirl4eaa9812008-07-29 11:42:26 +01002976 struct soc_mixer_control *mc =
2977 (struct soc_mixer_control *)kcontrol->private_value;
Mark Browne13ac2e2008-05-28 17:58:05 +01002978 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Jon Smirl815ecf8d2008-07-29 10:22:24 -04002979 unsigned int reg = mc->reg;
Jon Smirl4eaa9812008-07-29 11:42:26 +01002980 int min = mc->min;
Mark Browne13ac2e2008-05-28 17:58:05 +01002981 int val = snd_soc_read(codec, reg);
2982
2983 ucontrol->value.integer.value[0] =
2984 ((signed char)(val & 0xff))-min;
2985 ucontrol->value.integer.value[1] =
2986 ((signed char)((val >> 8) & 0xff))-min;
2987 return 0;
2988}
2989EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8);
2990
2991/**
2992 * snd_soc_put_volsw_sgn - signed mixer put callback
2993 * @kcontrol: mixer control
Mark Brownac11a2b2009-01-01 12:18:17 +00002994 * @ucontrol: control element information
Mark Browne13ac2e2008-05-28 17:58:05 +01002995 *
2996 * Callback to set the value of a signed mixer control.
2997 *
2998 * Returns 0 for success.
2999 */
3000int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
3001 struct snd_ctl_elem_value *ucontrol)
3002{
Jon Smirl4eaa9812008-07-29 11:42:26 +01003003 struct soc_mixer_control *mc =
3004 (struct soc_mixer_control *)kcontrol->private_value;
Mark Browne13ac2e2008-05-28 17:58:05 +01003005 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Jon Smirl815ecf8d2008-07-29 10:22:24 -04003006 unsigned int reg = mc->reg;
Jon Smirl4eaa9812008-07-29 11:42:26 +01003007 int min = mc->min;
Daniel Ribeiro46f58222009-06-07 02:49:11 -03003008 unsigned int val;
Mark Browne13ac2e2008-05-28 17:58:05 +01003009
3010 val = (ucontrol->value.integer.value[0]+min) & 0xff;
3011 val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8;
3012
Eero Nurkkala6c508c62009-10-30 13:34:03 +02003013 return snd_soc_update_bits_locked(codec, reg, 0xffff, val);
Mark Browne13ac2e2008-05-28 17:58:05 +01003014}
3015EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
3016
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003017/**
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003018 * snd_soc_info_volsw_range - single mixer info callback with range.
3019 * @kcontrol: mixer control
3020 * @uinfo: control element information
3021 *
3022 * Callback to provide information, within a range, about a single
3023 * mixer control.
3024 *
3025 * returns 0 for success.
3026 */
3027int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol,
3028 struct snd_ctl_elem_info *uinfo)
3029{
3030 struct soc_mixer_control *mc =
3031 (struct soc_mixer_control *)kcontrol->private_value;
3032 int platform_max;
3033 int min = mc->min;
3034
3035 if (!mc->platform_max)
3036 mc->platform_max = mc->max;
3037 platform_max = mc->platform_max;
3038
3039 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
Mark Brown9bde4f02012-12-19 16:05:00 +00003040 uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1;
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003041 uinfo->value.integer.min = 0;
3042 uinfo->value.integer.max = platform_max - min;
3043
3044 return 0;
3045}
3046EXPORT_SYMBOL_GPL(snd_soc_info_volsw_range);
3047
3048/**
3049 * snd_soc_put_volsw_range - single mixer put value callback with range.
3050 * @kcontrol: mixer control
3051 * @ucontrol: control element information
3052 *
3053 * Callback to set the value, within a range, for a single mixer control.
3054 *
3055 * Returns 0 for success.
3056 */
3057int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol,
3058 struct snd_ctl_elem_value *ucontrol)
3059{
3060 struct soc_mixer_control *mc =
3061 (struct soc_mixer_control *)kcontrol->private_value;
3062 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3063 unsigned int reg = mc->reg;
Mark Brown9bde4f02012-12-19 16:05:00 +00003064 unsigned int rreg = mc->rreg;
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003065 unsigned int shift = mc->shift;
3066 int min = mc->min;
3067 int max = mc->max;
3068 unsigned int mask = (1 << fls(max)) - 1;
3069 unsigned int invert = mc->invert;
3070 unsigned int val, val_mask;
Mark Brown9bde4f02012-12-19 16:05:00 +00003071 int ret;
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003072
3073 val = ((ucontrol->value.integer.value[0] + min) & mask);
3074 if (invert)
3075 val = max - val;
3076 val_mask = mask << shift;
3077 val = val << shift;
3078
Mark Brown9bde4f02012-12-19 16:05:00 +00003079 ret = snd_soc_update_bits_locked(codec, reg, val_mask, val);
Joonyoung Shim0eaa6cc2013-03-26 14:41:05 +09003080 if (ret < 0)
Mark Brown9bde4f02012-12-19 16:05:00 +00003081 return ret;
3082
3083 if (snd_soc_volsw_is_stereo(mc)) {
3084 val = ((ucontrol->value.integer.value[1] + min) & mask);
3085 if (invert)
3086 val = max - val;
3087 val_mask = mask << shift;
3088 val = val << shift;
3089
3090 ret = snd_soc_update_bits_locked(codec, rreg, val_mask, val);
3091 }
3092
3093 return ret;
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003094}
3095EXPORT_SYMBOL_GPL(snd_soc_put_volsw_range);
3096
3097/**
3098 * snd_soc_get_volsw_range - single mixer get callback with range
3099 * @kcontrol: mixer control
3100 * @ucontrol: control element information
3101 *
3102 * Callback to get the value, within a range, of a single mixer control.
3103 *
3104 * Returns 0 for success.
3105 */
3106int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol,
3107 struct snd_ctl_elem_value *ucontrol)
3108{
3109 struct soc_mixer_control *mc =
3110 (struct soc_mixer_control *)kcontrol->private_value;
3111 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3112 unsigned int reg = mc->reg;
Mark Brown9bde4f02012-12-19 16:05:00 +00003113 unsigned int rreg = mc->rreg;
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003114 unsigned int shift = mc->shift;
3115 int min = mc->min;
3116 int max = mc->max;
3117 unsigned int mask = (1 << fls(max)) - 1;
3118 unsigned int invert = mc->invert;
3119
3120 ucontrol->value.integer.value[0] =
3121 (snd_soc_read(codec, reg) >> shift) & mask;
3122 if (invert)
3123 ucontrol->value.integer.value[0] =
3124 max - ucontrol->value.integer.value[0];
3125 ucontrol->value.integer.value[0] =
3126 ucontrol->value.integer.value[0] - min;
3127
Mark Brown9bde4f02012-12-19 16:05:00 +00003128 if (snd_soc_volsw_is_stereo(mc)) {
3129 ucontrol->value.integer.value[1] =
3130 (snd_soc_read(codec, rreg) >> shift) & mask;
3131 if (invert)
3132 ucontrol->value.integer.value[1] =
3133 max - ucontrol->value.integer.value[1];
3134 ucontrol->value.integer.value[1] =
3135 ucontrol->value.integer.value[1] - min;
3136 }
3137
Adam Thomson6c9d8cf2012-05-31 15:18:01 +01003138 return 0;
3139}
3140EXPORT_SYMBOL_GPL(snd_soc_get_volsw_range);
3141
3142/**
Peter Ujfalusi637d3842010-05-07 14:05:49 +03003143 * snd_soc_limit_volume - Set new limit to an existing volume control.
3144 *
3145 * @codec: where to look for the control
3146 * @name: Name of the control
3147 * @max: new maximum limit
3148 *
3149 * Return 0 for success, else error.
3150 */
3151int snd_soc_limit_volume(struct snd_soc_codec *codec,
3152 const char *name, int max)
3153{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003154 struct snd_card *card = codec->card->snd_card;
Peter Ujfalusi637d3842010-05-07 14:05:49 +03003155 struct snd_kcontrol *kctl;
3156 struct soc_mixer_control *mc;
3157 int found = 0;
3158 int ret = -EINVAL;
3159
3160 /* Sanity check for name and max */
3161 if (unlikely(!name || max <= 0))
3162 return -EINVAL;
3163
3164 list_for_each_entry(kctl, &card->controls, list) {
3165 if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) {
3166 found = 1;
3167 break;
3168 }
3169 }
3170 if (found) {
3171 mc = (struct soc_mixer_control *)kctl->private_value;
3172 if (max <= mc->max) {
Peter Ujfalusid11bb4a2010-05-10 14:39:24 +03003173 mc->platform_max = max;
Peter Ujfalusi637d3842010-05-07 14:05:49 +03003174 ret = 0;
3175 }
3176 }
3177 return ret;
3178}
3179EXPORT_SYMBOL_GPL(snd_soc_limit_volume);
3180
Mark Brown71d08512011-10-10 18:31:26 +01003181int snd_soc_bytes_info(struct snd_kcontrol *kcontrol,
3182 struct snd_ctl_elem_info *uinfo)
3183{
3184 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3185 struct soc_bytes *params = (void *)kcontrol->private_value;
3186
3187 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
3188 uinfo->count = params->num_regs * codec->val_bytes;
3189
3190 return 0;
3191}
3192EXPORT_SYMBOL_GPL(snd_soc_bytes_info);
3193
3194int snd_soc_bytes_get(struct snd_kcontrol *kcontrol,
3195 struct snd_ctl_elem_value *ucontrol)
3196{
3197 struct soc_bytes *params = (void *)kcontrol->private_value;
3198 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3199 int ret;
3200
3201 if (codec->using_regmap)
3202 ret = regmap_raw_read(codec->control_data, params->base,
3203 ucontrol->value.bytes.data,
3204 params->num_regs * codec->val_bytes);
3205 else
3206 ret = -EINVAL;
3207
Mark Brownf831b052012-02-17 16:20:33 -08003208 /* Hide any masked bytes to ensure consistent data reporting */
3209 if (ret == 0 && params->mask) {
3210 switch (codec->val_bytes) {
3211 case 1:
3212 ucontrol->value.bytes.data[0] &= ~params->mask;
3213 break;
3214 case 2:
3215 ((u16 *)(&ucontrol->value.bytes.data))[0]
Charles Keepax8f1ec932013-11-29 13:33:11 +00003216 &= cpu_to_be16(~params->mask);
Mark Brownf831b052012-02-17 16:20:33 -08003217 break;
3218 case 4:
3219 ((u32 *)(&ucontrol->value.bytes.data))[0]
Charles Keepax8f1ec932013-11-29 13:33:11 +00003220 &= cpu_to_be32(~params->mask);
Mark Brownf831b052012-02-17 16:20:33 -08003221 break;
3222 default:
3223 return -EINVAL;
3224 }
3225 }
3226
Mark Brown71d08512011-10-10 18:31:26 +01003227 return ret;
3228}
3229EXPORT_SYMBOL_GPL(snd_soc_bytes_get);
3230
3231int snd_soc_bytes_put(struct snd_kcontrol *kcontrol,
3232 struct snd_ctl_elem_value *ucontrol)
3233{
3234 struct soc_bytes *params = (void *)kcontrol->private_value;
3235 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
Mark Brownf831b052012-02-17 16:20:33 -08003236 int ret, len;
3237 unsigned int val;
3238 void *data;
Mark Brown71d08512011-10-10 18:31:26 +01003239
Mark Brownf831b052012-02-17 16:20:33 -08003240 if (!codec->using_regmap)
3241 return -EINVAL;
3242
Mark Brownf831b052012-02-17 16:20:33 -08003243 len = params->num_regs * codec->val_bytes;
3244
Mark Brownb5a8fe42013-01-20 21:42:22 +09003245 data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
3246 if (!data)
3247 return -ENOMEM;
3248
Mark Brownf831b052012-02-17 16:20:33 -08003249 /*
3250 * If we've got a mask then we need to preserve the register
3251 * bits. We shouldn't modify the incoming data so take a
3252 * copy.
3253 */
3254 if (params->mask) {
3255 ret = regmap_read(codec->control_data, params->base, &val);
3256 if (ret != 0)
Wei Yongjune8b18ad2013-03-12 00:35:14 +08003257 goto out;
Mark Brownf831b052012-02-17 16:20:33 -08003258
3259 val &= params->mask;
3260
Mark Brownf831b052012-02-17 16:20:33 -08003261 switch (codec->val_bytes) {
3262 case 1:
3263 ((u8 *)data)[0] &= ~params->mask;
3264 ((u8 *)data)[0] |= val;
3265 break;
3266 case 2:
3267 ((u16 *)data)[0] &= cpu_to_be16(~params->mask);
3268 ((u16 *)data)[0] |= cpu_to_be16(val);
3269 break;
3270 case 4:
3271 ((u32 *)data)[0] &= cpu_to_be32(~params->mask);
3272 ((u32 *)data)[0] |= cpu_to_be32(val);
3273 break;
3274 default:
Wei Yongjune8b18ad2013-03-12 00:35:14 +08003275 ret = -EINVAL;
3276 goto out;
Mark Brownf831b052012-02-17 16:20:33 -08003277 }
3278 }
3279
3280 ret = regmap_raw_write(codec->control_data, params->base,
3281 data, len);
3282
Wei Yongjune8b18ad2013-03-12 00:35:14 +08003283out:
Mark Brownb5a8fe42013-01-20 21:42:22 +09003284 kfree(data);
Mark Brown71d08512011-10-10 18:31:26 +01003285
3286 return ret;
3287}
3288EXPORT_SYMBOL_GPL(snd_soc_bytes_put);
3289
apatard@mandriva.comb6f4bb32010-05-15 17:30:01 +02003290/**
Kristoffer KARLSSON4183eed22012-04-20 11:32:13 +02003291 * snd_soc_info_xr_sx - signed multi register info callback
3292 * @kcontrol: mreg control
3293 * @uinfo: control element information
3294 *
3295 * Callback to provide information of a control that can
3296 * span multiple codec registers which together
3297 * forms a single signed value in a MSB/LSB manner.
3298 *
3299 * Returns 0 for success.
3300 */
3301int snd_soc_info_xr_sx(struct snd_kcontrol *kcontrol,
3302 struct snd_ctl_elem_info *uinfo)
3303{
3304 struct soc_mreg_control *mc =
3305 (struct soc_mreg_control *)kcontrol->private_value;
3306 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
3307 uinfo->count = 1;
3308 uinfo->value.integer.min = mc->min;
3309 uinfo->value.integer.max = mc->max;
3310
3311 return 0;
3312}
3313EXPORT_SYMBOL_GPL(snd_soc_info_xr_sx);
3314
3315/**
3316 * snd_soc_get_xr_sx - signed multi register get callback
3317 * @kcontrol: mreg control
3318 * @ucontrol: control element information
3319 *
3320 * Callback to get the value of a control that can span
3321 * multiple codec registers which together forms a single
3322 * signed value in a MSB/LSB manner. The control supports
3323 * specifying total no of bits used to allow for bitfields
3324 * across the multiple codec registers.
3325 *
3326 * Returns 0 for success.
3327 */
3328int snd_soc_get_xr_sx(struct snd_kcontrol *kcontrol,
3329 struct snd_ctl_elem_value *ucontrol)
3330{
3331 struct soc_mreg_control *mc =
3332 (struct soc_mreg_control *)kcontrol->private_value;
3333 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3334 unsigned int regbase = mc->regbase;
3335 unsigned int regcount = mc->regcount;
3336 unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE;
3337 unsigned int regwmask = (1<<regwshift)-1;
3338 unsigned int invert = mc->invert;
3339 unsigned long mask = (1UL<<mc->nbits)-1;
3340 long min = mc->min;
3341 long max = mc->max;
3342 long val = 0;
3343 unsigned long regval;
3344 unsigned int i;
3345
3346 for (i = 0; i < regcount; i++) {
3347 regval = snd_soc_read(codec, regbase+i) & regwmask;
3348 val |= regval << (regwshift*(regcount-i-1));
3349 }
3350 val &= mask;
3351 if (min < 0 && val > max)
3352 val |= ~mask;
3353 if (invert)
3354 val = max - val;
3355 ucontrol->value.integer.value[0] = val;
3356
3357 return 0;
3358}
3359EXPORT_SYMBOL_GPL(snd_soc_get_xr_sx);
3360
3361/**
3362 * snd_soc_put_xr_sx - signed multi register get callback
3363 * @kcontrol: mreg control
3364 * @ucontrol: control element information
3365 *
3366 * Callback to set the value of a control that can span
3367 * multiple codec registers which together forms a single
3368 * signed value in a MSB/LSB manner. The control supports
3369 * specifying total no of bits used to allow for bitfields
3370 * across the multiple codec registers.
3371 *
3372 * Returns 0 for success.
3373 */
3374int snd_soc_put_xr_sx(struct snd_kcontrol *kcontrol,
3375 struct snd_ctl_elem_value *ucontrol)
3376{
3377 struct soc_mreg_control *mc =
3378 (struct soc_mreg_control *)kcontrol->private_value;
3379 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3380 unsigned int regbase = mc->regbase;
3381 unsigned int regcount = mc->regcount;
3382 unsigned int regwshift = codec->driver->reg_word_size * BITS_PER_BYTE;
3383 unsigned int regwmask = (1<<regwshift)-1;
3384 unsigned int invert = mc->invert;
3385 unsigned long mask = (1UL<<mc->nbits)-1;
Kristoffer KARLSSON4183eed22012-04-20 11:32:13 +02003386 long max = mc->max;
3387 long val = ucontrol->value.integer.value[0];
3388 unsigned int i, regval, regmask;
3389 int err;
3390
3391 if (invert)
3392 val = max - val;
3393 val &= mask;
3394 for (i = 0; i < regcount; i++) {
3395 regval = (val >> (regwshift*(regcount-i-1))) & regwmask;
3396 regmask = (mask >> (regwshift*(regcount-i-1))) & regwmask;
3397 err = snd_soc_update_bits_locked(codec, regbase+i,
3398 regmask, regval);
3399 if (err < 0)
3400 return err;
3401 }
3402
3403 return 0;
3404}
3405EXPORT_SYMBOL_GPL(snd_soc_put_xr_sx);
3406
3407/**
Kristoffer KARLSSONdd7b10b2012-04-20 11:32:44 +02003408 * snd_soc_get_strobe - strobe get callback
3409 * @kcontrol: mixer control
3410 * @ucontrol: control element information
3411 *
3412 * Callback get the value of a strobe mixer control.
3413 *
3414 * Returns 0 for success.
3415 */
3416int snd_soc_get_strobe(struct snd_kcontrol *kcontrol,
3417 struct snd_ctl_elem_value *ucontrol)
3418{
3419 struct soc_mixer_control *mc =
3420 (struct soc_mixer_control *)kcontrol->private_value;
3421 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3422 unsigned int reg = mc->reg;
3423 unsigned int shift = mc->shift;
3424 unsigned int mask = 1 << shift;
3425 unsigned int invert = mc->invert != 0;
3426 unsigned int val = snd_soc_read(codec, reg) & mask;
3427
3428 if (shift != 0 && val != 0)
3429 val = val >> shift;
3430 ucontrol->value.enumerated.item[0] = val ^ invert;
3431
3432 return 0;
3433}
3434EXPORT_SYMBOL_GPL(snd_soc_get_strobe);
3435
3436/**
3437 * snd_soc_put_strobe - strobe put callback
3438 * @kcontrol: mixer control
3439 * @ucontrol: control element information
3440 *
3441 * Callback strobe a register bit to high then low (or the inverse)
3442 * in one pass of a single mixer enum control.
3443 *
3444 * Returns 1 for success.
3445 */
3446int snd_soc_put_strobe(struct snd_kcontrol *kcontrol,
3447 struct snd_ctl_elem_value *ucontrol)
3448{
3449 struct soc_mixer_control *mc =
3450 (struct soc_mixer_control *)kcontrol->private_value;
3451 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
3452 unsigned int reg = mc->reg;
3453 unsigned int shift = mc->shift;
3454 unsigned int mask = 1 << shift;
3455 unsigned int invert = mc->invert != 0;
3456 unsigned int strobe = ucontrol->value.enumerated.item[0] != 0;
3457 unsigned int val1 = (strobe ^ invert) ? mask : 0;
3458 unsigned int val2 = (strobe ^ invert) ? 0 : mask;
3459 int err;
3460
3461 err = snd_soc_update_bits_locked(codec, reg, mask, val1);
3462 if (err < 0)
3463 return err;
3464
3465 err = snd_soc_update_bits_locked(codec, reg, mask, val2);
3466 return err;
3467}
3468EXPORT_SYMBOL_GPL(snd_soc_put_strobe);
3469
3470/**
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003471 * snd_soc_dai_set_sysclk - configure DAI system or master clock.
3472 * @dai: DAI
3473 * @clk_id: DAI specific clock ID
3474 * @freq: new clock frequency in Hz
3475 * @dir: new clock direction - input/output.
3476 *
3477 * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
3478 */
3479int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
3480 unsigned int freq, int dir)
3481{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003482 if (dai->driver && dai->driver->ops->set_sysclk)
3483 return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
Mark Brownec4ee522011-03-07 20:58:11 +00003484 else if (dai->codec && dai->codec->driver->set_sysclk)
Mark Brownda1c6ea2011-08-24 20:09:01 +01003485 return dai->codec->driver->set_sysclk(dai->codec, clk_id, 0,
Mark Brownec4ee522011-03-07 20:58:11 +00003486 freq, dir);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003487 else
Mark Brown1104a9c2014-01-15 19:04:19 +00003488 return -ENOTSUPP;
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003489}
3490EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
3491
3492/**
Mark Brownec4ee522011-03-07 20:58:11 +00003493 * snd_soc_codec_set_sysclk - configure CODEC system or master clock.
3494 * @codec: CODEC
3495 * @clk_id: DAI specific clock ID
Mark Brownda1c6ea2011-08-24 20:09:01 +01003496 * @source: Source for the clock
Mark Brownec4ee522011-03-07 20:58:11 +00003497 * @freq: new clock frequency in Hz
3498 * @dir: new clock direction - input/output.
3499 *
3500 * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
3501 */
3502int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id,
Mark Brownda1c6ea2011-08-24 20:09:01 +01003503 int source, unsigned int freq, int dir)
Mark Brownec4ee522011-03-07 20:58:11 +00003504{
3505 if (codec->driver->set_sysclk)
Mark Brownda1c6ea2011-08-24 20:09:01 +01003506 return codec->driver->set_sysclk(codec, clk_id, source,
3507 freq, dir);
Mark Brownec4ee522011-03-07 20:58:11 +00003508 else
Mark Brown1104a9c2014-01-15 19:04:19 +00003509 return -ENOTSUPP;
Mark Brownec4ee522011-03-07 20:58:11 +00003510}
3511EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk);
3512
3513/**
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003514 * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
3515 * @dai: DAI
Mark Brownac11a2b2009-01-01 12:18:17 +00003516 * @div_id: DAI specific clock divider ID
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003517 * @div: new clock divisor.
3518 *
3519 * Configures the clock dividers. This is used to derive the best DAI bit and
3520 * frame clocks from the system or master clock. It's best to set the DAI bit
3521 * and frame clocks as low as possible to save system power.
3522 */
3523int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
3524 int div_id, int div)
3525{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003526 if (dai->driver && dai->driver->ops->set_clkdiv)
3527 return dai->driver->ops->set_clkdiv(dai, div_id, div);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003528 else
3529 return -EINVAL;
3530}
3531EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
3532
3533/**
3534 * snd_soc_dai_set_pll - configure DAI PLL.
3535 * @dai: DAI
3536 * @pll_id: DAI specific PLL ID
Mark Brown85488032009-09-05 18:52:16 +01003537 * @source: DAI specific source for the PLL
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003538 * @freq_in: PLL input clock frequency in Hz
3539 * @freq_out: requested PLL output clock frequency in Hz
3540 *
3541 * Configures and enables PLL to generate output clock based on input clock.
3542 */
Mark Brown85488032009-09-05 18:52:16 +01003543int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
3544 unsigned int freq_in, unsigned int freq_out)
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003545{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003546 if (dai->driver && dai->driver->ops->set_pll)
3547 return dai->driver->ops->set_pll(dai, pll_id, source,
Mark Brown85488032009-09-05 18:52:16 +01003548 freq_in, freq_out);
Mark Brownec4ee522011-03-07 20:58:11 +00003549 else if (dai->codec && dai->codec->driver->set_pll)
3550 return dai->codec->driver->set_pll(dai->codec, pll_id, source,
3551 freq_in, freq_out);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003552 else
3553 return -EINVAL;
3554}
3555EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
3556
Mark Brownec4ee522011-03-07 20:58:11 +00003557/*
3558 * snd_soc_codec_set_pll - configure codec PLL.
3559 * @codec: CODEC
3560 * @pll_id: DAI specific PLL ID
3561 * @source: DAI specific source for the PLL
3562 * @freq_in: PLL input clock frequency in Hz
3563 * @freq_out: requested PLL output clock frequency in Hz
3564 *
3565 * Configures and enables PLL to generate output clock based on input clock.
3566 */
3567int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source,
3568 unsigned int freq_in, unsigned int freq_out)
3569{
3570 if (codec->driver->set_pll)
3571 return codec->driver->set_pll(codec, pll_id, source,
3572 freq_in, freq_out);
3573 else
3574 return -EINVAL;
3575}
3576EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll);
3577
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003578/**
Liam Girdwoode54cf762013-09-16 13:01:46 +01003579 * snd_soc_dai_set_bclk_ratio - configure BCLK to sample rate ratio.
3580 * @dai: DAI
3581 * @ratio Ratio of BCLK to Sample rate.
3582 *
3583 * Configures the DAI for a preset BCLK to sample rate ratio.
3584 */
3585int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
3586{
3587 if (dai->driver && dai->driver->ops->set_bclk_ratio)
3588 return dai->driver->ops->set_bclk_ratio(dai, ratio);
3589 else
3590 return -EINVAL;
3591}
3592EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio);
3593
3594/**
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003595 * snd_soc_dai_set_fmt - configure DAI hardware audio format.
3596 * @dai: DAI
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003597 * @fmt: SND_SOC_DAIFMT_ format value.
3598 *
3599 * Configures the DAI hardware format and clocking.
3600 */
3601int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
3602{
Shawn Guo5e4ba562012-03-09 00:59:40 +08003603 if (dai->driver == NULL)
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003604 return -EINVAL;
Shawn Guo5e4ba562012-03-09 00:59:40 +08003605 if (dai->driver->ops->set_fmt == NULL)
3606 return -ENOTSUPP;
3607 return dai->driver->ops->set_fmt(dai, fmt);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003608}
3609EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
3610
3611/**
3612 * snd_soc_dai_set_tdm_slot - configure DAI TDM.
3613 * @dai: DAI
Daniel Ribeiroa5479e32009-06-15 21:44:31 -03003614 * @tx_mask: bitmask representing active TX slots.
3615 * @rx_mask: bitmask representing active RX slots.
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003616 * @slots: Number of slots in use.
Daniel Ribeiroa5479e32009-06-15 21:44:31 -03003617 * @slot_width: Width in bits for each slot.
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003618 *
3619 * Configures a DAI for TDM operation. Both mask and slots are codec and DAI
3620 * specific.
3621 */
3622int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
Daniel Ribeiroa5479e32009-06-15 21:44:31 -03003623 unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003624{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003625 if (dai->driver && dai->driver->ops->set_tdm_slot)
3626 return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
Daniel Ribeiroa5479e32009-06-15 21:44:31 -03003627 slots, slot_width);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003628 else
3629 return -EINVAL;
3630}
3631EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
3632
3633/**
Barry Song472df3c2009-09-12 01:16:29 +08003634 * snd_soc_dai_set_channel_map - configure DAI audio channel map
3635 * @dai: DAI
3636 * @tx_num: how many TX channels
3637 * @tx_slot: pointer to an array which imply the TX slot number channel
3638 * 0~num-1 uses
3639 * @rx_num: how many RX channels
3640 * @rx_slot: pointer to an array which imply the RX slot number channel
3641 * 0~num-1 uses
3642 *
3643 * configure the relationship between channel number and TDM slot number.
3644 */
3645int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
3646 unsigned int tx_num, unsigned int *tx_slot,
3647 unsigned int rx_num, unsigned int *rx_slot)
3648{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003649 if (dai->driver && dai->driver->ops->set_channel_map)
3650 return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot,
Barry Song472df3c2009-09-12 01:16:29 +08003651 rx_num, rx_slot);
3652 else
3653 return -EINVAL;
3654}
3655EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map);
3656
3657/**
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003658 * snd_soc_dai_set_tristate - configure DAI system or master clock.
3659 * @dai: DAI
3660 * @tristate: tristate enable
3661 *
3662 * Tristates the DAI so that others can use it.
3663 */
3664int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
3665{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003666 if (dai->driver && dai->driver->ops->set_tristate)
3667 return dai->driver->ops->set_tristate(dai, tristate);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003668 else
3669 return -EINVAL;
3670}
3671EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate);
3672
3673/**
3674 * snd_soc_dai_digital_mute - configure DAI system or master clock.
3675 * @dai: DAI
3676 * @mute: mute enable
Mark Brownda183962013-02-06 15:44:07 +00003677 * @direction: stream to mute
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003678 *
3679 * Mutes the DAI DAC.
3680 */
Mark Brownda183962013-02-06 15:44:07 +00003681int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
3682 int direction)
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003683{
Mark Brownda183962013-02-06 15:44:07 +00003684 if (!dai->driver)
3685 return -ENOTSUPP;
3686
3687 if (dai->driver->ops->mute_stream)
3688 return dai->driver->ops->mute_stream(dai, mute, direction);
3689 else if (direction == SNDRV_PCM_STREAM_PLAYBACK &&
3690 dai->driver->ops->digital_mute)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003691 return dai->driver->ops->digital_mute(dai, mute);
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003692 else
Mark Brown04570c62012-04-13 19:16:03 +01003693 return -ENOTSUPP;
Liam Girdwood8c6529d2008-07-08 13:19:13 +01003694}
3695EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
3696
Mark Brownc5af3a22008-11-28 13:29:45 +00003697/**
3698 * snd_soc_register_card - Register a card with the ASoC core
3699 *
Mark Brownac11a2b2009-01-01 12:18:17 +00003700 * @card: Card to register
Mark Brownc5af3a22008-11-28 13:29:45 +00003701 *
Mark Brownc5af3a22008-11-28 13:29:45 +00003702 */
Vinod Koul70a7ca32011-01-14 19:22:48 +05303703int snd_soc_register_card(struct snd_soc_card *card)
Mark Brownc5af3a22008-11-28 13:29:45 +00003704{
Mark Brownb19e6e72012-03-14 21:18:39 +00003705 int i, ret;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003706
Mark Brownc5af3a22008-11-28 13:29:45 +00003707 if (!card->name || !card->dev)
3708 return -EINVAL;
3709
Stephen Warren5a504962011-12-21 10:40:59 -07003710 for (i = 0; i < card->num_links; i++) {
3711 struct snd_soc_dai_link *link = &card->dai_link[i];
3712
3713 /*
3714 * Codec must be specified by 1 of name or OF node,
3715 * not both or neither.
3716 */
3717 if (!!link->codec_name == !!link->codec_of_node) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02003718 dev_err(card->dev,
3719 "ASoC: Neither/both codec name/of_node are set for %s\n",
3720 link->name);
Stephen Warren5a504962011-12-21 10:40:59 -07003721 return -EINVAL;
3722 }
Stephen Warrenbc926572012-05-25 18:22:11 -06003723 /* Codec DAI name must be specified */
3724 if (!link->codec_dai_name) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02003725 dev_err(card->dev,
3726 "ASoC: codec_dai_name not set for %s\n",
3727 link->name);
Stephen Warrenbc926572012-05-25 18:22:11 -06003728 return -EINVAL;
3729 }
Stephen Warren5a504962011-12-21 10:40:59 -07003730
3731 /*
3732 * Platform may be specified by either name or OF node, but
3733 * can be left unspecified, and a dummy platform will be used.
3734 */
3735 if (link->platform_name && link->platform_of_node) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02003736 dev_err(card->dev,
3737 "ASoC: Both platform name/of_node are set for %s\n",
3738 link->name);
Stephen Warren5a504962011-12-21 10:40:59 -07003739 return -EINVAL;
3740 }
3741
3742 /*
Stephen Warrenbc926572012-05-25 18:22:11 -06003743 * CPU device may be specified by either name or OF node, but
3744 * can be left unspecified, and will be matched based on DAI
3745 * name alone..
Stephen Warren5a504962011-12-21 10:40:59 -07003746 */
Stephen Warrenbc926572012-05-25 18:22:11 -06003747 if (link->cpu_name && link->cpu_of_node) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02003748 dev_err(card->dev,
3749 "ASoC: Neither/both cpu name/of_node are set for %s\n",
3750 link->name);
Stephen Warrenbc926572012-05-25 18:22:11 -06003751 return -EINVAL;
3752 }
3753 /*
3754 * At least one of CPU DAI name or CPU device name/node must be
3755 * specified
3756 */
3757 if (!link->cpu_dai_name &&
3758 !(link->cpu_name || link->cpu_of_node)) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02003759 dev_err(card->dev,
3760 "ASoC: Neither cpu_dai_name nor cpu_name/of_node are set for %s\n",
3761 link->name);
Stephen Warren5a504962011-12-21 10:40:59 -07003762 return -EINVAL;
3763 }
3764 }
3765
Mark Browned77cc12011-05-03 18:25:34 +01003766 dev_set_drvdata(card->dev, card);
3767
Stephen Warren111c6412011-01-28 14:26:35 -07003768 snd_soc_initialize_card_lists(card);
3769
Vinod Koul150dd2f2011-01-13 22:48:32 +05303770 soc_init_card_debugfs(card);
3771
Mark Brown181a6892012-03-14 20:18:49 +00003772 card->rtd = devm_kzalloc(card->dev,
3773 sizeof(struct snd_soc_pcm_runtime) *
3774 (card->num_links + card->num_aux_devs),
3775 GFP_KERNEL);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003776 if (card->rtd == NULL)
3777 return -ENOMEM;
Liam Girdwooda7dbb602012-04-17 18:00:11 +01003778 card->num_rtd = 0;
Jarkko Nikula2eea3922010-11-25 17:47:38 +02003779 card->rtd_aux = &card->rtd[card->num_links];
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003780
3781 for (i = 0; i < card->num_links; i++)
3782 card->rtd[i].dai_link = &card->dai_link[i];
3783
Mark Brownc5af3a22008-11-28 13:29:45 +00003784 INIT_LIST_HEAD(&card->list);
Mark Browndb432b42011-10-03 21:06:40 +01003785 INIT_LIST_HEAD(&card->dapm_dirty);
Mark Brownc5af3a22008-11-28 13:29:45 +00003786 card->instantiated = 0;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003787 mutex_init(&card->mutex);
Liam Girdwooda73fb2d2012-03-07 10:38:26 +00003788 mutex_init(&card->dapm_mutex);
Mark Brownc5af3a22008-11-28 13:29:45 +00003789
Mark Brownb19e6e72012-03-14 21:18:39 +00003790 ret = snd_soc_instantiate_card(card);
3791 if (ret != 0)
3792 soc_cleanup_card_debugfs(card);
Mark Brownc5af3a22008-11-28 13:29:45 +00003793
Nicolin Chen988e8cc2013-11-04 14:57:31 +08003794 /* deactivate pins to sleep state */
3795 for (i = 0; i < card->num_rtd; i++) {
3796 struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai;
3797 struct snd_soc_dai *codec_dai = card->rtd[i].codec_dai;
3798 if (!codec_dai->active)
3799 pinctrl_pm_select_sleep_state(codec_dai->dev);
3800 if (!cpu_dai->active)
3801 pinctrl_pm_select_sleep_state(cpu_dai->dev);
3802 }
3803
Mark Brownb19e6e72012-03-14 21:18:39 +00003804 return ret;
Mark Brownc5af3a22008-11-28 13:29:45 +00003805}
Vinod Koul70a7ca32011-01-14 19:22:48 +05303806EXPORT_SYMBOL_GPL(snd_soc_register_card);
Mark Brownc5af3a22008-11-28 13:29:45 +00003807
3808/**
3809 * snd_soc_unregister_card - Unregister a card with the ASoC core
3810 *
Mark Brownac11a2b2009-01-01 12:18:17 +00003811 * @card: Card to unregister
Mark Brownc5af3a22008-11-28 13:29:45 +00003812 *
Mark Brownc5af3a22008-11-28 13:29:45 +00003813 */
Vinod Koul70a7ca32011-01-14 19:22:48 +05303814int snd_soc_unregister_card(struct snd_soc_card *card)
Mark Brownc5af3a22008-11-28 13:29:45 +00003815{
Vinod Koulb0e26482011-01-13 22:48:02 +05303816 if (card->instantiated)
3817 soc_cleanup_card_resources(card);
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00003818 dev_dbg(card->dev, "ASoC: Unregistered card '%s'\n", card->name);
Mark Brownc5af3a22008-11-28 13:29:45 +00003819
3820 return 0;
3821}
Vinod Koul70a7ca32011-01-14 19:22:48 +05303822EXPORT_SYMBOL_GPL(snd_soc_unregister_card);
Mark Brownc5af3a22008-11-28 13:29:45 +00003823
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003824/*
3825 * Simplify DAI link configuration by removing ".-1" from device names
3826 * and sanitizing names.
3827 */
Dimitris Papastamos0b9a2142010-12-06 15:49:20 +00003828static char *fmt_single_name(struct device *dev, int *id)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003829{
3830 char *found, name[NAME_SIZE];
3831 int id1, id2;
3832
3833 if (dev_name(dev) == NULL)
3834 return NULL;
3835
Dimitris Papastamos58818a72010-12-06 15:42:17 +00003836 strlcpy(name, dev_name(dev), NAME_SIZE);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003837
3838 /* are we a "%s.%d" name (platform and SPI components) */
3839 found = strstr(name, dev->driver->name);
3840 if (found) {
3841 /* get ID */
3842 if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) {
3843
3844 /* discard ID from name if ID == -1 */
3845 if (*id == -1)
3846 found[strlen(dev->driver->name)] = '\0';
3847 }
3848
3849 } else {
3850 /* I2C component devices are named "bus-addr" */
3851 if (sscanf(name, "%x-%x", &id1, &id2) == 2) {
3852 char tmp[NAME_SIZE];
3853
3854 /* create unique ID number from I2C addr and bus */
Jarkko Nikula05899442010-10-19 11:10:45 +03003855 *id = ((id1 & 0xffff) << 16) + id2;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003856
3857 /* sanitize component name for DAI link creation */
3858 snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name);
Dimitris Papastamos58818a72010-12-06 15:42:17 +00003859 strlcpy(name, tmp, NAME_SIZE);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003860 } else
3861 *id = 0;
3862 }
3863
3864 return kstrdup(name, GFP_KERNEL);
3865}
3866
3867/*
3868 * Simplify DAI link naming for single devices with multiple DAIs by removing
3869 * any ".-1" and using the DAI name (instead of device name).
3870 */
3871static inline char *fmt_multiple_name(struct device *dev,
3872 struct snd_soc_dai_driver *dai_drv)
3873{
3874 if (dai_drv->name == NULL) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02003875 dev_err(dev,
3876 "ASoC: error - multiple DAI %s registered with no name\n",
3877 dev_name(dev));
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003878 return NULL;
3879 }
3880
3881 return kstrdup(dai_drv->name, GFP_KERNEL);
3882}
3883
Mark Brown91151712008-11-30 23:31:24 +00003884/**
3885 * snd_soc_register_dai - Register a DAI with the ASoC core
3886 *
Mark Brownac11a2b2009-01-01 12:18:17 +00003887 * @dai: DAI to register
Mark Brown91151712008-11-30 23:31:24 +00003888 */
Kuninori Morimotof53179c02013-03-21 03:38:30 -07003889static int snd_soc_register_dai(struct device *dev,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003890 struct snd_soc_dai_driver *dai_drv)
Mark Brown91151712008-11-30 23:31:24 +00003891{
Mark Brown054880f2012-04-09 17:29:19 +01003892 struct snd_soc_codec *codec;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003893 struct snd_soc_dai *dai;
Mark Brown91151712008-11-30 23:31:24 +00003894
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00003895 dev_dbg(dev, "ASoC: dai register %s\n", dev_name(dev));
Mark Brown91151712008-11-30 23:31:24 +00003896
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003897 dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
3898 if (dai == NULL)
Lu Guanquna7393622011-04-20 16:00:51 +08003899 return -ENOMEM;
Eric Miao6335d052009-03-03 09:41:00 +08003900
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003901 /* create DAI component name */
3902 dai->name = fmt_single_name(dev, &dai->id);
3903 if (dai->name == NULL) {
3904 kfree(dai);
3905 return -ENOMEM;
3906 }
3907
3908 dai->dev = dev;
3909 dai->driver = dai_drv;
Liam Girdwoodbe09ad92012-03-07 11:47:41 +00003910 dai->dapm.dev = dev;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003911 if (!dai->driver->ops)
3912 dai->driver->ops = &null_dai_ops;
Mark Brown91151712008-11-30 23:31:24 +00003913
3914 mutex_lock(&client_mutex);
Mark Brown054880f2012-04-09 17:29:19 +01003915
3916 list_for_each_entry(codec, &codec_list, list) {
3917 if (codec->dev == dev) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00003918 dev_dbg(dev, "ASoC: Mapped DAI %s to CODEC %s\n",
Mark Brown054880f2012-04-09 17:29:19 +01003919 dai->name, codec->name);
3920 dai->codec = codec;
3921 break;
3922 }
3923 }
3924
Peter Ujfalusi5f800082012-08-07 10:24:13 +03003925 if (!dai->codec)
3926 dai->dapm.idle_bias_off = 1;
3927
Mark Brown91151712008-11-30 23:31:24 +00003928 list_add(&dai->list, &dai_list);
Mark Brown054880f2012-04-09 17:29:19 +01003929
Mark Brown91151712008-11-30 23:31:24 +00003930 mutex_unlock(&client_mutex);
3931
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00003932 dev_dbg(dev, "ASoC: Registered DAI '%s'\n", dai->name);
Mark Brown91151712008-11-30 23:31:24 +00003933
3934 return 0;
3935}
Mark Brown91151712008-11-30 23:31:24 +00003936
3937/**
3938 * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
3939 *
Mark Brownac11a2b2009-01-01 12:18:17 +00003940 * @dai: DAI to unregister
Mark Brown91151712008-11-30 23:31:24 +00003941 */
Kuninori Morimotof53179c02013-03-21 03:38:30 -07003942static void snd_soc_unregister_dai(struct device *dev)
Mark Brown91151712008-11-30 23:31:24 +00003943{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003944 struct snd_soc_dai *dai;
3945
3946 list_for_each_entry(dai, &dai_list, list) {
3947 if (dev == dai->dev)
3948 goto found;
3949 }
3950 return;
3951
3952found:
Mark Brown91151712008-11-30 23:31:24 +00003953 mutex_lock(&client_mutex);
3954 list_del(&dai->list);
3955 mutex_unlock(&client_mutex);
3956
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00003957 dev_dbg(dev, "ASoC: Unregistered DAI '%s'\n", dai->name);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003958 kfree(dai->name);
3959 kfree(dai);
Mark Brown91151712008-11-30 23:31:24 +00003960}
Mark Brown91151712008-11-30 23:31:24 +00003961
3962/**
3963 * snd_soc_register_dais - Register multiple DAIs with the ASoC core
3964 *
Mark Brownac11a2b2009-01-01 12:18:17 +00003965 * @dai: Array of DAIs to register
3966 * @count: Number of DAIs
Mark Brown91151712008-11-30 23:31:24 +00003967 */
Kuninori Morimotof53179c02013-03-21 03:38:30 -07003968static int snd_soc_register_dais(struct device *dev,
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003969 struct snd_soc_dai_driver *dai_drv, size_t count)
Mark Brown91151712008-11-30 23:31:24 +00003970{
Mark Brown054880f2012-04-09 17:29:19 +01003971 struct snd_soc_codec *codec;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003972 struct snd_soc_dai *dai;
3973 int i, ret = 0;
3974
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00003975 dev_dbg(dev, "ASoC: dai register %s #%Zu\n", dev_name(dev), count);
Mark Brown91151712008-11-30 23:31:24 +00003976
3977 for (i = 0; i < count; i++) {
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003978
3979 dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL);
Axel Linc46e0072010-11-03 15:04:45 +08003980 if (dai == NULL) {
3981 ret = -ENOMEM;
3982 goto err;
3983 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003984
3985 /* create DAI component name */
3986 dai->name = fmt_multiple_name(dev, &dai_drv[i]);
3987 if (dai->name == NULL) {
3988 kfree(dai);
3989 ret = -EINVAL;
Mark Brown91151712008-11-30 23:31:24 +00003990 goto err;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003991 }
3992
3993 dai->dev = dev;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00003994 dai->driver = &dai_drv[i];
Mark Brown0f9141c2010-10-12 15:43:21 +01003995 if (dai->driver->id)
3996 dai->id = dai->driver->id;
3997 else
3998 dai->id = i;
Liam Girdwoodbe09ad92012-03-07 11:47:41 +00003999 dai->dapm.dev = dev;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004000 if (!dai->driver->ops)
4001 dai->driver->ops = &null_dai_ops;
4002
4003 mutex_lock(&client_mutex);
Mark Brown054880f2012-04-09 17:29:19 +01004004
4005 list_for_each_entry(codec, &codec_list, list) {
4006 if (codec->dev == dev) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02004007 dev_dbg(dev,
4008 "ASoC: Mapped DAI %s to CODEC %s\n",
4009 dai->name, codec->name);
Mark Brown054880f2012-04-09 17:29:19 +01004010 dai->codec = codec;
4011 break;
4012 }
4013 }
4014
Peter Ujfalusi5f800082012-08-07 10:24:13 +03004015 if (!dai->codec)
4016 dai->dapm.idle_bias_off = 1;
4017
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004018 list_add(&dai->list, &dai_list);
Mark Brown054880f2012-04-09 17:29:19 +01004019
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004020 mutex_unlock(&client_mutex);
4021
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004022 dev_dbg(dai->dev, "ASoC: Registered DAI '%s'\n", dai->name);
Mark Brown91151712008-11-30 23:31:24 +00004023 }
4024
4025 return 0;
4026
4027err:
4028 for (i--; i >= 0; i--)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004029 snd_soc_unregister_dai(dev);
Mark Brown91151712008-11-30 23:31:24 +00004030
4031 return ret;
4032}
Mark Brown91151712008-11-30 23:31:24 +00004033
4034/**
4035 * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
4036 *
Mark Brownac11a2b2009-01-01 12:18:17 +00004037 * @dai: Array of DAIs to unregister
4038 * @count: Number of DAIs
Mark Brown91151712008-11-30 23:31:24 +00004039 */
Kuninori Morimotof53179c02013-03-21 03:38:30 -07004040static void snd_soc_unregister_dais(struct device *dev, size_t count)
Mark Brown91151712008-11-30 23:31:24 +00004041{
4042 int i;
4043
4044 for (i = 0; i < count; i++)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004045 snd_soc_unregister_dai(dev);
Mark Brown91151712008-11-30 23:31:24 +00004046}
Mark Brown91151712008-11-30 23:31:24 +00004047
Mark Brown12a48a8c2008-12-03 19:40:30 +00004048/**
Kuninori Morimotod191bd82013-09-04 19:39:03 -07004049 * snd_soc_register_component - Register a component with the ASoC core
4050 *
4051 */
4052static int
4053__snd_soc_register_component(struct device *dev,
4054 struct snd_soc_component *cmpnt,
4055 const struct snd_soc_component_driver *cmpnt_drv,
4056 struct snd_soc_dai_driver *dai_drv,
4057 int num_dai, bool allow_single_dai)
4058{
4059 int ret;
4060
4061 dev_dbg(dev, "component register %s\n", dev_name(dev));
4062
4063 if (!cmpnt) {
4064 dev_err(dev, "ASoC: Failed to connecting component\n");
4065 return -ENOMEM;
4066 }
4067
4068 cmpnt->name = fmt_single_name(dev, &cmpnt->id);
4069 if (!cmpnt->name) {
4070 dev_err(dev, "ASoC: Failed to simplifying name\n");
4071 return -ENOMEM;
4072 }
4073
4074 cmpnt->dev = dev;
4075 cmpnt->driver = cmpnt_drv;
Kuninori Morimoto6833c452013-10-16 22:05:26 -07004076 cmpnt->dai_drv = dai_drv;
Kuninori Morimotod191bd82013-09-04 19:39:03 -07004077 cmpnt->num_dai = num_dai;
4078
4079 /*
4080 * snd_soc_register_dai() uses fmt_single_name(), and
4081 * snd_soc_register_dais() uses fmt_multiple_name()
4082 * for dai->name which is used for name based matching
4083 *
4084 * this function is used from cpu/codec.
4085 * allow_single_dai flag can ignore "codec" driver reworking
4086 * since it had been used snd_soc_register_dais(),
4087 */
4088 if ((1 == num_dai) && allow_single_dai)
4089 ret = snd_soc_register_dai(dev, dai_drv);
4090 else
4091 ret = snd_soc_register_dais(dev, dai_drv, num_dai);
4092 if (ret < 0) {
4093 dev_err(dev, "ASoC: Failed to regster DAIs: %d\n", ret);
4094 goto error_component_name;
4095 }
4096
4097 mutex_lock(&client_mutex);
4098 list_add(&cmpnt->list, &component_list);
4099 mutex_unlock(&client_mutex);
4100
4101 dev_dbg(cmpnt->dev, "ASoC: Registered component '%s'\n", cmpnt->name);
4102
4103 return ret;
4104
4105error_component_name:
4106 kfree(cmpnt->name);
4107
4108 return ret;
4109}
4110
4111int snd_soc_register_component(struct device *dev,
4112 const struct snd_soc_component_driver *cmpnt_drv,
4113 struct snd_soc_dai_driver *dai_drv,
4114 int num_dai)
4115{
4116 struct snd_soc_component *cmpnt;
4117
4118 cmpnt = devm_kzalloc(dev, sizeof(*cmpnt), GFP_KERNEL);
4119 if (!cmpnt) {
4120 dev_err(dev, "ASoC: Failed to allocate memory\n");
4121 return -ENOMEM;
4122 }
4123
4124 return __snd_soc_register_component(dev, cmpnt, cmpnt_drv,
4125 dai_drv, num_dai, true);
4126}
4127EXPORT_SYMBOL_GPL(snd_soc_register_component);
4128
4129/**
4130 * snd_soc_unregister_component - Unregister a component from the ASoC core
4131 *
4132 */
4133void snd_soc_unregister_component(struct device *dev)
4134{
4135 struct snd_soc_component *cmpnt;
4136
4137 list_for_each_entry(cmpnt, &component_list, list) {
4138 if (dev == cmpnt->dev)
4139 goto found;
4140 }
4141 return;
4142
4143found:
4144 snd_soc_unregister_dais(dev, cmpnt->num_dai);
4145
4146 mutex_lock(&client_mutex);
4147 list_del(&cmpnt->list);
4148 mutex_unlock(&client_mutex);
4149
4150 dev_dbg(dev, "ASoC: Unregistered component '%s'\n", cmpnt->name);
4151 kfree(cmpnt->name);
4152}
4153EXPORT_SYMBOL_GPL(snd_soc_unregister_component);
4154
4155/**
Lars-Peter Clausen71a45cd2013-04-15 19:19:49 +02004156 * snd_soc_add_platform - Add a platform to the ASoC core
4157 * @dev: The parent device for the platform
4158 * @platform: The platform to add
4159 * @platform_driver: The driver for the platform
Mark Brown12a48a8c2008-12-03 19:40:30 +00004160 */
Lars-Peter Clausen71a45cd2013-04-15 19:19:49 +02004161int snd_soc_add_platform(struct device *dev, struct snd_soc_platform *platform,
Lars-Peter Clausend79e57d2013-03-27 12:02:22 +01004162 const struct snd_soc_platform_driver *platform_drv)
Mark Brown12a48a8c2008-12-03 19:40:30 +00004163{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004164 /* create platform component name */
4165 platform->name = fmt_single_name(dev, &platform->id);
Dan Carpenterb5c745f2013-07-22 09:56:54 +03004166 if (platform->name == NULL)
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004167 return -ENOMEM;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004168
4169 platform->dev = dev;
4170 platform->driver = platform_drv;
Liam Girdwoodb7950642011-07-04 22:10:52 +01004171 platform->dapm.dev = dev;
4172 platform->dapm.platform = platform;
Liam Girdwood64a648c2011-07-25 11:15:15 +01004173 platform->dapm.stream_event = platform_drv->stream_event;
Liam Girdwoodcc22d372012-03-06 18:16:18 +00004174 mutex_init(&platform->mutex);
Mark Brown12a48a8c2008-12-03 19:40:30 +00004175
4176 mutex_lock(&client_mutex);
4177 list_add(&platform->list, &platform_list);
4178 mutex_unlock(&client_mutex);
4179
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004180 dev_dbg(dev, "ASoC: Registered platform '%s'\n", platform->name);
Mark Brown12a48a8c2008-12-03 19:40:30 +00004181
4182 return 0;
4183}
Lars-Peter Clausen71a45cd2013-04-15 19:19:49 +02004184EXPORT_SYMBOL_GPL(snd_soc_add_platform);
4185
4186/**
4187 * snd_soc_register_platform - Register a platform with the ASoC core
4188 *
4189 * @platform: platform to register
4190 */
4191int snd_soc_register_platform(struct device *dev,
4192 const struct snd_soc_platform_driver *platform_drv)
4193{
4194 struct snd_soc_platform *platform;
4195 int ret;
4196
4197 dev_dbg(dev, "ASoC: platform register %s\n", dev_name(dev));
4198
4199 platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL);
4200 if (platform == NULL)
4201 return -ENOMEM;
4202
4203 ret = snd_soc_add_platform(dev, platform, platform_drv);
4204 if (ret)
4205 kfree(platform);
4206
4207 return ret;
4208}
Mark Brown12a48a8c2008-12-03 19:40:30 +00004209EXPORT_SYMBOL_GPL(snd_soc_register_platform);
4210
4211/**
Lars-Peter Clausen71a45cd2013-04-15 19:19:49 +02004212 * snd_soc_remove_platform - Remove a platform from the ASoC core
4213 * @platform: the platform to remove
4214 */
4215void snd_soc_remove_platform(struct snd_soc_platform *platform)
4216{
4217 mutex_lock(&client_mutex);
4218 list_del(&platform->list);
4219 mutex_unlock(&client_mutex);
4220
4221 dev_dbg(platform->dev, "ASoC: Unregistered platform '%s'\n",
4222 platform->name);
4223 kfree(platform->name);
4224}
4225EXPORT_SYMBOL_GPL(snd_soc_remove_platform);
4226
4227struct snd_soc_platform *snd_soc_lookup_platform(struct device *dev)
4228{
4229 struct snd_soc_platform *platform;
4230
4231 list_for_each_entry(platform, &platform_list, list) {
4232 if (dev == platform->dev)
4233 return platform;
4234 }
4235
4236 return NULL;
4237}
4238EXPORT_SYMBOL_GPL(snd_soc_lookup_platform);
4239
4240/**
Mark Brown12a48a8c2008-12-03 19:40:30 +00004241 * snd_soc_unregister_platform - Unregister a platform from the ASoC core
4242 *
Mark Brownac11a2b2009-01-01 12:18:17 +00004243 * @platform: platform to unregister
Mark Brown12a48a8c2008-12-03 19:40:30 +00004244 */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004245void snd_soc_unregister_platform(struct device *dev)
Mark Brown12a48a8c2008-12-03 19:40:30 +00004246{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004247 struct snd_soc_platform *platform;
4248
Lars-Peter Clausen71a45cd2013-04-15 19:19:49 +02004249 platform = snd_soc_lookup_platform(dev);
4250 if (!platform)
4251 return;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004252
Lars-Peter Clausen71a45cd2013-04-15 19:19:49 +02004253 snd_soc_remove_platform(platform);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004254 kfree(platform);
Mark Brown12a48a8c2008-12-03 19:40:30 +00004255}
4256EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
4257
Mark Brown151ab222009-05-09 16:22:58 +01004258static u64 codec_format_map[] = {
4259 SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE,
4260 SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE,
4261 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE,
4262 SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE,
4263 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE,
4264 SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE,
4265 SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE,
4266 SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE,
4267 SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE,
4268 SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE,
4269 SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE,
4270 SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE,
4271 SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE,
4272 SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE,
4273 SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE
4274 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE,
4275};
4276
4277/* Fix up the DAI formats for endianness: codecs don't actually see
4278 * the endianness of the data but we're using the CPU format
4279 * definitions which do need to include endianness so we ensure that
4280 * codec DAIs always have both big and little endian variants set.
4281 */
4282static void fixup_codec_formats(struct snd_soc_pcm_stream *stream)
4283{
4284 int i;
4285
4286 for (i = 0; i < ARRAY_SIZE(codec_format_map); i++)
4287 if (stream->formats & codec_format_map[i])
4288 stream->formats |= codec_format_map[i];
4289}
4290
Mark Brown0d0cf002008-12-10 14:32:45 +00004291/**
4292 * snd_soc_register_codec - Register a codec with the ASoC core
4293 *
Mark Brownac11a2b2009-01-01 12:18:17 +00004294 * @codec: codec to register
Mark Brown0d0cf002008-12-10 14:32:45 +00004295 */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004296int snd_soc_register_codec(struct device *dev,
Mark Brown001ae4c2010-12-02 16:21:08 +00004297 const struct snd_soc_codec_driver *codec_drv,
4298 struct snd_soc_dai_driver *dai_drv,
4299 int num_dai)
Mark Brown0d0cf002008-12-10 14:32:45 +00004300{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004301 struct snd_soc_codec *codec;
4302 int ret, i;
Mark Brown151ab222009-05-09 16:22:58 +01004303
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004304 dev_dbg(dev, "codec register %s\n", dev_name(dev));
Mark Brown0d0cf002008-12-10 14:32:45 +00004305
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004306 codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
4307 if (codec == NULL)
4308 return -ENOMEM;
Mark Brown0d0cf002008-12-10 14:32:45 +00004309
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004310 /* create CODEC component name */
4311 codec->name = fmt_single_name(dev, &codec->id);
4312 if (codec->name == NULL) {
Kuninori Morimotof790b942013-02-25 00:40:09 -08004313 ret = -ENOMEM;
4314 goto fail_codec;
Mark Brown151ab222009-05-09 16:22:58 +01004315 }
4316
Mark Brownc3acec22010-12-02 16:15:29 +00004317 codec->write = codec_drv->write;
4318 codec->read = codec_drv->read;
Dimitris Papastamos1500b7b2011-01-13 12:20:38 +00004319 codec->volatile_register = codec_drv->volatile_register;
4320 codec->readable_register = codec_drv->readable_register;
Dimitris Papastamos80204542011-03-24 13:45:17 +00004321 codec->writable_register = codec_drv->writable_register;
Mark Brown5124e692012-02-08 13:20:50 +00004322 codec->ignore_pmdown_time = codec_drv->ignore_pmdown_time;
Liam Girdwoodce6120c2010-11-05 15:53:46 +02004323 codec->dapm.bias_level = SND_SOC_BIAS_OFF;
4324 codec->dapm.dev = dev;
4325 codec->dapm.codec = codec;
Mark Brown474b62d2011-01-18 16:14:44 +00004326 codec->dapm.seq_notifier = codec_drv->seq_notifier;
Liam Girdwood64a648c2011-07-25 11:15:15 +01004327 codec->dapm.stream_event = codec_drv->stream_event;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004328 codec->dev = dev;
4329 codec->driver = codec_drv;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004330 codec->num_dai = num_dai;
4331 mutex_init(&codec->mutex);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004332
4333 for (i = 0; i < num_dai; i++) {
4334 fixup_codec_formats(&dai_drv[i].playback);
4335 fixup_codec_formats(&dai_drv[i].capture);
4336 }
4337
Mark Brown054880f2012-04-09 17:29:19 +01004338 mutex_lock(&client_mutex);
4339 list_add(&codec->list, &codec_list);
4340 mutex_unlock(&client_mutex);
4341
Kuninori Morimotod191bd82013-09-04 19:39:03 -07004342 /* register component */
4343 ret = __snd_soc_register_component(dev, &codec->component,
4344 &codec_drv->component_driver,
4345 dai_drv, num_dai, false);
Kuninori Morimoto5acd7df2013-02-25 00:40:40 -08004346 if (ret < 0) {
Kuninori Morimotod191bd82013-09-04 19:39:03 -07004347 dev_err(codec->dev, "ASoC: Failed to regster component: %d\n", ret);
Kuninori Morimoto5acd7df2013-02-25 00:40:40 -08004348 goto fail_codec_name;
Mark Brown26b01cc2010-08-18 20:20:55 +01004349 }
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004350
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004351 dev_dbg(codec->dev, "ASoC: Registered codec '%s'\n", codec->name);
Mark Brown0d0cf002008-12-10 14:32:45 +00004352 return 0;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004353
Kuninori Morimotof790b942013-02-25 00:40:09 -08004354fail_codec_name:
Kuninori Morimotoe1328a82013-03-07 17:42:33 -08004355 mutex_lock(&client_mutex);
4356 list_del(&codec->list);
4357 mutex_unlock(&client_mutex);
4358
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004359 kfree(codec->name);
Kuninori Morimotof790b942013-02-25 00:40:09 -08004360fail_codec:
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004361 kfree(codec);
4362 return ret;
Mark Brown0d0cf002008-12-10 14:32:45 +00004363}
4364EXPORT_SYMBOL_GPL(snd_soc_register_codec);
4365
4366/**
4367 * snd_soc_unregister_codec - Unregister a codec from the ASoC core
4368 *
Mark Brownac11a2b2009-01-01 12:18:17 +00004369 * @codec: codec to unregister
Mark Brown0d0cf002008-12-10 14:32:45 +00004370 */
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004371void snd_soc_unregister_codec(struct device *dev)
Mark Brown0d0cf002008-12-10 14:32:45 +00004372{
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004373 struct snd_soc_codec *codec;
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004374
4375 list_for_each_entry(codec, &codec_list, list) {
4376 if (dev == codec->dev)
4377 goto found;
4378 }
4379 return;
4380
4381found:
Kuninori Morimotod191bd82013-09-04 19:39:03 -07004382 snd_soc_unregister_component(dev);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004383
Mark Brown0d0cf002008-12-10 14:32:45 +00004384 mutex_lock(&client_mutex);
4385 list_del(&codec->list);
4386 mutex_unlock(&client_mutex);
4387
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004388 dev_dbg(codec->dev, "ASoC: Unregistered codec '%s'\n", codec->name);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004389
Dimitris Papastamos7a30a3d2010-11-11 10:04:57 +00004390 snd_soc_cache_exit(codec);
Dimitris Papastamos1aafcd42010-10-21 13:19:45 +01004391 kfree(codec->name);
Liam Girdwoodf0fba2a2010-03-17 20:15:21 +00004392 kfree(codec);
Mark Brown0d0cf002008-12-10 14:32:45 +00004393}
4394EXPORT_SYMBOL_GPL(snd_soc_unregister_codec);
4395
Stephen Warrenbec4fa02011-12-12 15:55:34 -07004396/* Retrieve a card's name from device tree */
4397int snd_soc_of_parse_card_name(struct snd_soc_card *card,
4398 const char *propname)
4399{
4400 struct device_node *np = card->dev->of_node;
4401 int ret;
4402
4403 ret = of_property_read_string_index(np, propname, 0, &card->name);
4404 /*
4405 * EINVAL means the property does not exist. This is fine providing
4406 * card->name was previously set, which is checked later in
4407 * snd_soc_register_card.
4408 */
4409 if (ret < 0 && ret != -EINVAL) {
4410 dev_err(card->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004411 "ASoC: Property '%s' could not be read: %d\n",
Stephen Warrenbec4fa02011-12-12 15:55:34 -07004412 propname, ret);
4413 return ret;
4414 }
4415
4416 return 0;
4417}
4418EXPORT_SYMBOL_GPL(snd_soc_of_parse_card_name);
4419
Stephen Warrena4a54dd2011-12-12 15:55:35 -07004420int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
4421 const char *propname)
4422{
4423 struct device_node *np = card->dev->of_node;
4424 int num_routes;
4425 struct snd_soc_dapm_route *routes;
4426 int i, ret;
4427
4428 num_routes = of_property_count_strings(np, propname);
Richard Zhaoc34ce322012-04-24 15:24:43 +08004429 if (num_routes < 0 || num_routes & 1) {
Michał Mirosław10e8aa92013-05-04 22:21:38 +02004430 dev_err(card->dev,
4431 "ASoC: Property '%s' does not exist or its length is not even\n",
4432 propname);
Stephen Warrena4a54dd2011-12-12 15:55:35 -07004433 return -EINVAL;
4434 }
4435 num_routes /= 2;
4436 if (!num_routes) {
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004437 dev_err(card->dev, "ASoC: Property '%s's length is zero\n",
Stephen Warrena4a54dd2011-12-12 15:55:35 -07004438 propname);
4439 return -EINVAL;
4440 }
4441
4442 routes = devm_kzalloc(card->dev, num_routes * sizeof(*routes),
4443 GFP_KERNEL);
4444 if (!routes) {
4445 dev_err(card->dev,
Liam Girdwoodf110bfc2012-11-19 14:47:09 +00004446 "ASoC: Could not allocate DAPM route table\n");
Stephen Warrena4a54dd2011-12-12 15:55:35 -07004447 return -EINVAL;
4448 }
4449
4450 for (i = 0; i < num_routes; i++) {
4451 ret = of_property_read_string_index(np, propname,
4452 2 * i, &routes[i].sink);
4453 if (ret) {
Mark Brownc871bd02012-12-10 16:19:52 +09004454 dev_err(card->dev,
4455 "ASoC: Property '%s' index %d could not be read: %d\n",
4456 propname, 2 * i, ret);
Stephen Warrena4a54dd2011-12-12 15:55:35 -07004457 return -EINVAL;
4458 }
4459 ret = of_property_read_string_index(np, propname,
4460 (2 * i) + 1, &routes[i].source);
4461 if (ret) {
4462 dev_err(card->dev,
Mark Brownc871bd02012-12-10 16:19:52 +09004463 "ASoC: Property '%s' index %d could not be read: %d\n",
4464 propname, (2 * i) + 1, ret);
Stephen Warrena4a54dd2011-12-12 15:55:35 -07004465 return -EINVAL;
4466 }
4467 }
4468
4469 card->num_dapm_routes = num_routes;
4470 card->dapm_routes = routes;
4471
4472 return 0;
4473}
4474EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing);
4475
Kuninori Morimotoa7930ed2013-01-14 18:36:04 -08004476unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
4477 const char *prefix)
4478{
4479 int ret, i;
4480 char prop[128];
4481 unsigned int format = 0;
4482 int bit, frame;
4483 const char *str;
4484 struct {
4485 char *name;
4486 unsigned int val;
4487 } of_fmt_table[] = {
4488 { "i2s", SND_SOC_DAIFMT_I2S },
4489 { "right_j", SND_SOC_DAIFMT_RIGHT_J },
4490 { "left_j", SND_SOC_DAIFMT_LEFT_J },
4491 { "dsp_a", SND_SOC_DAIFMT_DSP_A },
4492 { "dsp_b", SND_SOC_DAIFMT_DSP_B },
4493 { "ac97", SND_SOC_DAIFMT_AC97 },
4494 { "pdm", SND_SOC_DAIFMT_PDM},
4495 { "msb", SND_SOC_DAIFMT_MSB },
4496 { "lsb", SND_SOC_DAIFMT_LSB },
Kuninori Morimotoa7930ed2013-01-14 18:36:04 -08004497 };
4498
4499 if (!prefix)
4500 prefix = "";
4501
4502 /*
4503 * check "[prefix]format = xxx"
4504 * SND_SOC_DAIFMT_FORMAT_MASK area
4505 */
4506 snprintf(prop, sizeof(prop), "%sformat", prefix);
4507 ret = of_property_read_string(np, prop, &str);
4508 if (ret == 0) {
4509 for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) {
4510 if (strcmp(str, of_fmt_table[i].name) == 0) {
4511 format |= of_fmt_table[i].val;
4512 break;
4513 }
4514 }
4515 }
4516
4517 /*
Kuninori Morimoto8c2d6a92013-01-29 21:03:36 -08004518 * check "[prefix]continuous-clock"
Kuninori Morimotoa7930ed2013-01-14 18:36:04 -08004519 * SND_SOC_DAIFMT_CLOCK_MASK area
4520 */
Kuninori Morimoto8c2d6a92013-01-29 21:03:36 -08004521 snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix);
4522 if (of_get_property(np, prop, NULL))
4523 format |= SND_SOC_DAIFMT_CONT;
4524 else
4525 format |= SND_SOC_DAIFMT_GATED;
Kuninori Morimotoa7930ed2013-01-14 18:36:04 -08004526
4527 /*
4528 * check "[prefix]bitclock-inversion"
4529 * check "[prefix]frame-inversion"
4530 * SND_SOC_DAIFMT_INV_MASK area
4531 */
4532 snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix);
4533 bit = !!of_get_property(np, prop, NULL);
4534
4535 snprintf(prop, sizeof(prop), "%sframe-inversion", prefix);
4536 frame = !!of_get_property(np, prop, NULL);
4537
4538 switch ((bit << 4) + frame) {
4539 case 0x11:
4540 format |= SND_SOC_DAIFMT_IB_IF;
4541 break;
4542 case 0x10:
4543 format |= SND_SOC_DAIFMT_IB_NF;
4544 break;
4545 case 0x01:
4546 format |= SND_SOC_DAIFMT_NB_IF;
4547 break;
4548 default:
4549 /* SND_SOC_DAIFMT_NB_NF is default */
4550 break;
4551 }
4552
4553 /*
4554 * check "[prefix]bitclock-master"
4555 * check "[prefix]frame-master"
4556 * SND_SOC_DAIFMT_MASTER_MASK area
4557 */
4558 snprintf(prop, sizeof(prop), "%sbitclock-master", prefix);
4559 bit = !!of_get_property(np, prop, NULL);
4560
4561 snprintf(prop, sizeof(prop), "%sframe-master", prefix);
4562 frame = !!of_get_property(np, prop, NULL);
4563
4564 switch ((bit << 4) + frame) {
4565 case 0x11:
4566 format |= SND_SOC_DAIFMT_CBM_CFM;
4567 break;
4568 case 0x10:
4569 format |= SND_SOC_DAIFMT_CBM_CFS;
4570 break;
4571 case 0x01:
4572 format |= SND_SOC_DAIFMT_CBS_CFM;
4573 break;
4574 default:
4575 format |= SND_SOC_DAIFMT_CBS_CFS;
4576 break;
4577 }
4578
4579 return format;
4580}
4581EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
4582
Kuninori Morimotocb470082013-09-10 17:39:56 -07004583int snd_soc_of_get_dai_name(struct device_node *of_node,
4584 const char **dai_name)
4585{
4586 struct snd_soc_component *pos;
4587 struct of_phandle_args args;
4588 int ret;
4589
4590 ret = of_parse_phandle_with_args(of_node, "sound-dai",
4591 "#sound-dai-cells", 0, &args);
4592 if (ret)
4593 return ret;
4594
4595 ret = -EPROBE_DEFER;
4596
4597 mutex_lock(&client_mutex);
4598 list_for_each_entry(pos, &component_list, list) {
4599 if (pos->dev->of_node != args.np)
4600 continue;
4601
Kuninori Morimoto6833c452013-10-16 22:05:26 -07004602 if (pos->driver->of_xlate_dai_name) {
4603 ret = pos->driver->of_xlate_dai_name(pos, &args, dai_name);
4604 } else {
4605 int id = -1;
4606
4607 switch (args.args_count) {
4608 case 0:
4609 id = 0; /* same as dai_drv[0] */
4610 break;
4611 case 1:
4612 id = args.args[0];
4613 break;
4614 default:
4615 /* not supported */
4616 break;
4617 }
4618
4619 if (id < 0 || id >= pos->num_dai) {
4620 ret = -EINVAL;
Xiubo Lie41975e2013-12-20 14:39:51 +08004621 break;
Kuninori Morimoto6833c452013-10-16 22:05:26 -07004622 }
Xiubo Lie41975e2013-12-20 14:39:51 +08004623
4624 ret = 0;
4625
4626 *dai_name = pos->dai_drv[id].name;
4627 if (!*dai_name)
4628 *dai_name = pos->name;
Kuninori Morimotocb470082013-09-10 17:39:56 -07004629 }
4630
Kuninori Morimotocb470082013-09-10 17:39:56 -07004631 break;
4632 }
4633 mutex_unlock(&client_mutex);
4634
4635 of_node_put(args.np);
4636
4637 return ret;
4638}
4639EXPORT_SYMBOL_GPL(snd_soc_of_get_dai_name);
4640
Takashi Iwaic9b3a402008-12-10 07:47:22 +01004641static int __init snd_soc_init(void)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004642{
Mark Brown384c89e2008-12-03 17:34:03 +00004643#ifdef CONFIG_DEBUG_FS
Mark Brown8a9dab12011-01-10 22:25:21 +00004644 snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL);
4645 if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) {
Fabio Estevam0837fc62012-02-17 19:40:38 -02004646 pr_warn("ASoC: Failed to create debugfs directory\n");
Mark Brown8a9dab12011-01-10 22:25:21 +00004647 snd_soc_debugfs_root = NULL;
Mark Brown384c89e2008-12-03 17:34:03 +00004648 }
Mark Brownc3c5a192010-09-15 18:15:14 +01004649
Mark Brown8a9dab12011-01-10 22:25:21 +00004650 if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL,
Mark Brownc3c5a192010-09-15 18:15:14 +01004651 &codec_list_fops))
4652 pr_warn("ASoC: Failed to create CODEC list debugfs file\n");
4653
Mark Brown8a9dab12011-01-10 22:25:21 +00004654 if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL,
Mark Brownf3208782010-09-15 18:19:07 +01004655 &dai_list_fops))
4656 pr_warn("ASoC: Failed to create DAI list debugfs file\n");
Mark Brown19c7ac22010-09-15 18:22:40 +01004657
Mark Brown8a9dab12011-01-10 22:25:21 +00004658 if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL,
Mark Brown19c7ac22010-09-15 18:22:40 +01004659 &platform_list_fops))
4660 pr_warn("ASoC: Failed to create platform list debugfs file\n");
Mark Brown384c89e2008-12-03 17:34:03 +00004661#endif
4662
Mark Brownfb257892011-04-28 10:57:54 +01004663 snd_soc_util_init();
4664
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004665 return platform_driver_register(&soc_driver);
4666}
Mark Brown4abe8e12010-10-12 17:41:03 +01004667module_init(snd_soc_init);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004668
Mark Brown7d8c16a2008-11-30 22:11:24 +00004669static void __exit snd_soc_exit(void)
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004670{
Mark Brownfb257892011-04-28 10:57:54 +01004671 snd_soc_util_exit();
4672
Mark Brown384c89e2008-12-03 17:34:03 +00004673#ifdef CONFIG_DEBUG_FS
Mark Brown8a9dab12011-01-10 22:25:21 +00004674 debugfs_remove_recursive(snd_soc_debugfs_root);
Mark Brown384c89e2008-12-03 17:34:03 +00004675#endif
Mark Brown3ff3f642008-05-19 12:32:25 +02004676 platform_driver_unregister(&soc_driver);
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004677}
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004678module_exit(snd_soc_exit);
4679
4680/* Module information */
Liam Girdwoodd3311242008-10-12 13:17:36 +01004681MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk");
Frank Mandarinodb2a4162006-10-06 18:31:09 +02004682MODULE_DESCRIPTION("ALSA SoC Core");
4683MODULE_LICENSE("GPL");
Kay Sievers8b45a202008-04-14 13:33:36 +02004684MODULE_ALIAS("platform:soc-audio");