Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1 | /* |
| 2 | * soc-core.c -- ALSA SoC Audio Layer |
| 3 | * |
| 4 | * Copyright 2005 Wolfson Microelectronics PLC. |
Liam Girdwood | 0664d88 | 2006-12-18 14:39:02 +0100 | [diff] [blame] | 5 | * Copyright 2005 Openedhand Ltd. |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 6 | * Copyright (C) 2010 Slimlogic Ltd. |
| 7 | * Copyright (C) 2010 Texas Instruments Inc. |
Liam Girdwood | 0664d88 | 2006-12-18 14:39:02 +0100 | [diff] [blame] | 8 | * |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 9 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> |
Liam Girdwood | 0664d88 | 2006-12-18 14:39:02 +0100 | [diff] [blame] | 10 | * with code, comments and ideas from :- |
| 11 | * Richard Purdie <richard@openedhand.com> |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify it |
| 14 | * under the terms of the GNU General Public License as published by the |
| 15 | * Free Software Foundation; either version 2 of the License, or (at your |
| 16 | * option) any later version. |
| 17 | * |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 18 | * TODO: |
| 19 | * o Add hw rules to enforce rates, etc. |
| 20 | * o More testing with other codecs/machines. |
| 21 | * o Add more codecs and platforms to ensure good API coverage. |
| 22 | * o Support TDM on PCM and I2S |
| 23 | */ |
| 24 | |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/moduleparam.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/delay.h> |
| 29 | #include <linux/pm.h> |
| 30 | #include <linux/bitops.h> |
Troy Kisky | 12ef193 | 2008-10-13 17:42:14 -0700 | [diff] [blame] | 31 | #include <linux/debugfs.h> |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 32 | #include <linux/platform_device.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 33 | #include <linux/slab.h> |
Marek Vasut | 474828a | 2009-07-22 13:01:03 +0200 | [diff] [blame] | 34 | #include <sound/ac97_codec.h> |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 35 | #include <sound/core.h> |
Mark Brown | 3028eb8 | 2010-12-05 12:22:46 +0000 | [diff] [blame] | 36 | #include <sound/jack.h> |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 37 | #include <sound/pcm.h> |
| 38 | #include <sound/pcm_params.h> |
| 39 | #include <sound/soc.h> |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 40 | #include <sound/initval.h> |
| 41 | |
Mark Brown | a8b1d34 | 2010-11-03 18:05:58 -0400 | [diff] [blame] | 42 | #define CREATE_TRACE_POINTS |
| 43 | #include <trace/events/asoc.h> |
| 44 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 45 | #define NAME_SIZE 32 |
| 46 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 47 | static DEFINE_MUTEX(pcm_mutex); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 48 | static DECLARE_WAIT_QUEUE_HEAD(soc_pm_waitq); |
| 49 | |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 50 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 51 | struct dentry *snd_soc_debugfs_root; |
| 52 | EXPORT_SYMBOL_GPL(snd_soc_debugfs_root); |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 53 | #endif |
| 54 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 55 | static DEFINE_MUTEX(client_mutex); |
| 56 | static LIST_HEAD(card_list); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 57 | static LIST_HEAD(dai_list); |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 58 | static LIST_HEAD(platform_list); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 59 | static LIST_HEAD(codec_list); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 60 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 61 | static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 62 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 63 | /* |
| 64 | * This is a timeout to do a DAPM powerdown after a stream is closed(). |
| 65 | * It can be used to eliminate pops between different playback streams, e.g. |
| 66 | * between two audio tracks. |
| 67 | */ |
| 68 | static int pmdown_time = 5000; |
| 69 | module_param(pmdown_time, int, 0); |
| 70 | MODULE_PARM_DESC(pmdown_time, "DAPM stream powerdown time (msecs)"); |
| 71 | |
Dimitris Papastamos | 2bc9a81 | 2011-02-01 12:24:08 +0000 | [diff] [blame] | 72 | /* returns the minimum number of bytes needed to represent |
| 73 | * a particular given value */ |
| 74 | static int min_bytes_needed(unsigned long val) |
| 75 | { |
| 76 | int c = 0; |
| 77 | int i; |
| 78 | |
| 79 | for (i = (sizeof val * 8) - 1; i >= 0; --i, ++c) |
| 80 | if (val & (1UL << i)) |
| 81 | break; |
| 82 | c = (sizeof val * 8) - c; |
| 83 | if (!c || (c % 8)) |
| 84 | c = (c + 8) / 8; |
| 85 | else |
| 86 | c /= 8; |
| 87 | return c; |
| 88 | } |
| 89 | |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 90 | /* fill buf which is 'len' bytes with a formatted |
| 91 | * string of the form 'reg: value\n' */ |
| 92 | static int format_register_str(struct snd_soc_codec *codec, |
| 93 | unsigned int reg, char *buf, size_t len) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 94 | { |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 95 | int wordsize = codec->driver->reg_word_size * 2; |
| 96 | int regsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
| 97 | int ret; |
| 98 | char tmpbuf[len + 1]; |
| 99 | char regbuf[regsize + 1]; |
| 100 | |
| 101 | /* since tmpbuf is allocated on the stack, warn the callers if they |
| 102 | * try to abuse this function */ |
| 103 | WARN_ON(len > 63); |
| 104 | |
| 105 | /* +2 for ': ' and + 1 for '\n' */ |
| 106 | if (wordsize + regsize + 2 + 1 != len) |
| 107 | return -EINVAL; |
| 108 | |
| 109 | ret = snd_soc_read(codec , reg); |
| 110 | if (ret < 0) { |
| 111 | memset(regbuf, 'X', regsize); |
| 112 | regbuf[regsize] = '\0'; |
| 113 | } else { |
| 114 | snprintf(regbuf, regsize + 1, "%.*x", regsize, ret); |
| 115 | } |
| 116 | |
| 117 | /* prepare the buffer */ |
| 118 | snprintf(tmpbuf, len + 1, "%.*x: %s\n", wordsize, reg, regbuf); |
| 119 | /* copy it back to the caller without the '\0' */ |
| 120 | memcpy(buf, tmpbuf, len); |
| 121 | |
| 122 | return 0; |
| 123 | } |
| 124 | |
| 125 | /* codec register dump */ |
| 126 | static ssize_t soc_codec_reg_show(struct snd_soc_codec *codec, char *buf, |
| 127 | size_t count, loff_t pos) |
| 128 | { |
| 129 | int i, step = 1; |
Dimitris Papastamos | 2bc9a81 | 2011-02-01 12:24:08 +0000 | [diff] [blame] | 130 | int wordsize, regsize; |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 131 | int len; |
| 132 | size_t total = 0; |
| 133 | loff_t p = 0; |
Dimitris Papastamos | 2bc9a81 | 2011-02-01 12:24:08 +0000 | [diff] [blame] | 134 | |
| 135 | wordsize = codec->driver->reg_word_size * 2; |
| 136 | regsize = min_bytes_needed(codec->driver->reg_cache_size) * 2; |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 137 | |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 138 | len = wordsize + regsize + 2 + 1; |
| 139 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 140 | if (!codec->driver->reg_cache_size) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 141 | return 0; |
| 142 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 143 | if (codec->driver->reg_cache_step) |
| 144 | step = codec->driver->reg_cache_step; |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 145 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 146 | for (i = 0; i < codec->driver->reg_cache_size; i += step) { |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 147 | if (codec->readable_register && !codec->readable_register(codec, i)) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 148 | continue; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 149 | if (codec->driver->display_register) { |
| 150 | count += codec->driver->display_register(codec, buf + count, |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 151 | PAGE_SIZE - count, i); |
Mark Brown | 5164d74 | 2010-07-14 16:14:33 +0100 | [diff] [blame] | 152 | } else { |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 153 | /* only support larger than PAGE_SIZE bytes debugfs |
| 154 | * entries for the default case */ |
| 155 | if (p >= pos) { |
| 156 | if (total + len >= count - 1) |
| 157 | break; |
| 158 | format_register_str(codec, i, buf + total, len); |
| 159 | total += len; |
| 160 | } |
| 161 | p += len; |
Mark Brown | 5164d74 | 2010-07-14 16:14:33 +0100 | [diff] [blame] | 162 | } |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 163 | } |
| 164 | |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 165 | total = min(total, count - 1); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 166 | |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 167 | return total; |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 168 | } |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 169 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 170 | static ssize_t codec_reg_show(struct device *dev, |
| 171 | struct device_attribute *attr, char *buf) |
| 172 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 173 | struct snd_soc_pcm_runtime *rtd = |
| 174 | container_of(dev, struct snd_soc_pcm_runtime, dev); |
| 175 | |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 176 | return soc_codec_reg_show(rtd->codec, buf, PAGE_SIZE, 0); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | static DEVICE_ATTR(codec_reg, 0444, codec_reg_show, NULL); |
| 180 | |
Mark Brown | dbe2140 | 2010-02-12 11:37:24 +0000 | [diff] [blame] | 181 | static ssize_t pmdown_time_show(struct device *dev, |
| 182 | struct device_attribute *attr, char *buf) |
| 183 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 184 | struct snd_soc_pcm_runtime *rtd = |
| 185 | container_of(dev, struct snd_soc_pcm_runtime, dev); |
Mark Brown | dbe2140 | 2010-02-12 11:37:24 +0000 | [diff] [blame] | 186 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 187 | return sprintf(buf, "%ld\n", rtd->pmdown_time); |
Mark Brown | dbe2140 | 2010-02-12 11:37:24 +0000 | [diff] [blame] | 188 | } |
| 189 | |
| 190 | static ssize_t pmdown_time_set(struct device *dev, |
| 191 | struct device_attribute *attr, |
| 192 | const char *buf, size_t count) |
| 193 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 194 | struct snd_soc_pcm_runtime *rtd = |
| 195 | container_of(dev, struct snd_soc_pcm_runtime, dev); |
Mark Brown | c593b52 | 2010-10-27 20:11:17 -0700 | [diff] [blame] | 196 | int ret; |
Mark Brown | dbe2140 | 2010-02-12 11:37:24 +0000 | [diff] [blame] | 197 | |
Mark Brown | c593b52 | 2010-10-27 20:11:17 -0700 | [diff] [blame] | 198 | ret = strict_strtol(buf, 10, &rtd->pmdown_time); |
| 199 | if (ret) |
| 200 | return ret; |
Mark Brown | dbe2140 | 2010-02-12 11:37:24 +0000 | [diff] [blame] | 201 | |
| 202 | return count; |
| 203 | } |
| 204 | |
| 205 | static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); |
| 206 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 207 | #ifdef CONFIG_DEBUG_FS |
| 208 | static int codec_reg_open_file(struct inode *inode, struct file *file) |
| 209 | { |
| 210 | file->private_data = inode->i_private; |
| 211 | return 0; |
| 212 | } |
| 213 | |
| 214 | static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 215 | size_t count, loff_t *ppos) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 216 | { |
| 217 | ssize_t ret; |
| 218 | struct snd_soc_codec *codec = file->private_data; |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 219 | char *buf; |
| 220 | |
| 221 | if (*ppos < 0 || !count) |
| 222 | return -EINVAL; |
| 223 | |
| 224 | buf = kmalloc(count, GFP_KERNEL); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 225 | if (!buf) |
| 226 | return -ENOMEM; |
Dimitris Papastamos | 13fd179 | 2011-02-02 13:58:58 +0000 | [diff] [blame] | 227 | |
| 228 | ret = soc_codec_reg_show(codec, buf, count, *ppos); |
| 229 | if (ret >= 0) { |
| 230 | if (copy_to_user(user_buf, buf, ret)) { |
| 231 | kfree(buf); |
| 232 | return -EFAULT; |
| 233 | } |
| 234 | *ppos += ret; |
| 235 | } |
| 236 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 237 | kfree(buf); |
| 238 | return ret; |
| 239 | } |
| 240 | |
| 241 | static ssize_t codec_reg_write_file(struct file *file, |
| 242 | const char __user *user_buf, size_t count, loff_t *ppos) |
| 243 | { |
| 244 | char buf[32]; |
| 245 | int buf_size; |
| 246 | char *start = buf; |
| 247 | unsigned long reg, value; |
| 248 | int step = 1; |
| 249 | struct snd_soc_codec *codec = file->private_data; |
| 250 | |
| 251 | buf_size = min(count, (sizeof(buf)-1)); |
| 252 | if (copy_from_user(buf, user_buf, buf_size)) |
| 253 | return -EFAULT; |
| 254 | buf[buf_size] = 0; |
| 255 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 256 | if (codec->driver->reg_cache_step) |
| 257 | step = codec->driver->reg_cache_step; |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 258 | |
| 259 | while (*start == ' ') |
| 260 | start++; |
| 261 | reg = simple_strtoul(start, &start, 16); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 262 | if ((reg >= codec->driver->reg_cache_size) || (reg % step)) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 263 | return -EINVAL; |
| 264 | while (*start == ' ') |
| 265 | start++; |
| 266 | if (strict_strtoul(start, 16, &value)) |
| 267 | return -EINVAL; |
Mark Brown | 0d51a9c | 2011-01-06 16:04:57 +0000 | [diff] [blame] | 268 | |
| 269 | /* Userspace has been fiddling around behind the kernel's back */ |
| 270 | add_taint(TAINT_USER); |
| 271 | |
Dimitris Papastamos | e4f078d | 2010-12-07 16:30:38 +0000 | [diff] [blame] | 272 | snd_soc_write(codec, reg, value); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 273 | return buf_size; |
| 274 | } |
| 275 | |
| 276 | static const struct file_operations codec_reg_fops = { |
| 277 | .open = codec_reg_open_file, |
| 278 | .read = codec_reg_read_file, |
| 279 | .write = codec_reg_write_file, |
Arnd Bergmann | 6038f37 | 2010-08-15 18:52:59 +0200 | [diff] [blame] | 280 | .llseek = default_llseek, |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 281 | }; |
| 282 | |
| 283 | static void soc_init_codec_debugfs(struct snd_soc_codec *codec) |
| 284 | { |
Jarkko Nikula | d6ce4cf | 2010-11-05 20:35:20 +0200 | [diff] [blame] | 285 | struct dentry *debugfs_card_root = codec->card->debugfs_card_root; |
| 286 | |
| 287 | codec->debugfs_codec_root = debugfs_create_dir(codec->name, |
| 288 | debugfs_card_root); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 289 | if (!codec->debugfs_codec_root) { |
| 290 | printk(KERN_WARNING |
| 291 | "ASoC: Failed to create codec debugfs directory\n"); |
| 292 | return; |
| 293 | } |
| 294 | |
Mark Brown | aaee8ef | 2011-01-26 20:53:50 +0000 | [diff] [blame] | 295 | debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root, |
| 296 | &codec->cache_sync); |
| 297 | debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root, |
| 298 | &codec->cache_only); |
| 299 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 300 | codec->debugfs_reg = debugfs_create_file("codec_reg", 0644, |
| 301 | codec->debugfs_codec_root, |
| 302 | codec, &codec_reg_fops); |
| 303 | if (!codec->debugfs_reg) |
| 304 | printk(KERN_WARNING |
| 305 | "ASoC: Failed to create codec register debugfs file\n"); |
| 306 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 307 | codec->dapm.debugfs_dapm = debugfs_create_dir("dapm", |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 308 | codec->debugfs_codec_root); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 309 | if (!codec->dapm.debugfs_dapm) |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 310 | printk(KERN_WARNING |
| 311 | "Failed to create DAPM debugfs directory\n"); |
| 312 | |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 313 | snd_soc_dapm_debugfs_init(&codec->dapm); |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) |
| 317 | { |
| 318 | debugfs_remove_recursive(codec->debugfs_codec_root); |
| 319 | } |
| 320 | |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 321 | static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, |
| 322 | size_t count, loff_t *ppos) |
| 323 | { |
| 324 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 325 | ssize_t len, ret = 0; |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 326 | struct snd_soc_codec *codec; |
| 327 | |
| 328 | if (!buf) |
| 329 | return -ENOMEM; |
| 330 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 331 | list_for_each_entry(codec, &codec_list, list) { |
| 332 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", |
| 333 | codec->name); |
| 334 | if (len >= 0) |
| 335 | ret += len; |
| 336 | if (ret > PAGE_SIZE) { |
| 337 | ret = PAGE_SIZE; |
| 338 | break; |
| 339 | } |
| 340 | } |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 341 | |
| 342 | if (ret >= 0) |
| 343 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
| 344 | |
| 345 | kfree(buf); |
| 346 | |
| 347 | return ret; |
| 348 | } |
| 349 | |
| 350 | static const struct file_operations codec_list_fops = { |
| 351 | .read = codec_list_read_file, |
| 352 | .llseek = default_llseek,/* read accesses f_pos */ |
| 353 | }; |
| 354 | |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 355 | static ssize_t dai_list_read_file(struct file *file, char __user *user_buf, |
| 356 | size_t count, loff_t *ppos) |
| 357 | { |
| 358 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 359 | ssize_t len, ret = 0; |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 360 | struct snd_soc_dai *dai; |
| 361 | |
| 362 | if (!buf) |
| 363 | return -ENOMEM; |
| 364 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 365 | list_for_each_entry(dai, &dai_list, list) { |
| 366 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", dai->name); |
| 367 | if (len >= 0) |
| 368 | ret += len; |
| 369 | if (ret > PAGE_SIZE) { |
| 370 | ret = PAGE_SIZE; |
| 371 | break; |
| 372 | } |
| 373 | } |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 374 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 375 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 376 | |
| 377 | kfree(buf); |
| 378 | |
| 379 | return ret; |
| 380 | } |
| 381 | |
| 382 | static const struct file_operations dai_list_fops = { |
| 383 | .read = dai_list_read_file, |
| 384 | .llseek = default_llseek,/* read accesses f_pos */ |
| 385 | }; |
| 386 | |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 387 | static ssize_t platform_list_read_file(struct file *file, |
| 388 | char __user *user_buf, |
| 389 | size_t count, loff_t *ppos) |
| 390 | { |
| 391 | char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 392 | ssize_t len, ret = 0; |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 393 | struct snd_soc_platform *platform; |
| 394 | |
| 395 | if (!buf) |
| 396 | return -ENOMEM; |
| 397 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 398 | list_for_each_entry(platform, &platform_list, list) { |
| 399 | len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n", |
| 400 | platform->name); |
| 401 | if (len >= 0) |
| 402 | ret += len; |
| 403 | if (ret > PAGE_SIZE) { |
| 404 | ret = PAGE_SIZE; |
| 405 | break; |
| 406 | } |
| 407 | } |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 408 | |
Mark Brown | 2b194f9d | 2010-10-13 10:52:16 +0100 | [diff] [blame] | 409 | ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 410 | |
| 411 | kfree(buf); |
| 412 | |
| 413 | return ret; |
| 414 | } |
| 415 | |
| 416 | static const struct file_operations platform_list_fops = { |
| 417 | .read = platform_list_read_file, |
| 418 | .llseek = default_llseek,/* read accesses f_pos */ |
| 419 | }; |
| 420 | |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 421 | static void soc_init_card_debugfs(struct snd_soc_card *card) |
| 422 | { |
| 423 | card->debugfs_card_root = debugfs_create_dir(card->name, |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 424 | snd_soc_debugfs_root); |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 425 | if (!card->debugfs_card_root) { |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 426 | dev_warn(card->dev, |
| 427 | "ASoC: Failed to create codec debugfs directory\n"); |
Jarkko Nikula | 3a45b86 | 2010-11-05 20:35:21 +0200 | [diff] [blame] | 428 | return; |
| 429 | } |
| 430 | |
| 431 | card->debugfs_pop_time = debugfs_create_u32("dapm_pop_time", 0644, |
| 432 | card->debugfs_card_root, |
| 433 | &card->pop_time); |
| 434 | if (!card->debugfs_pop_time) |
| 435 | dev_warn(card->dev, |
| 436 | "Failed to create pop time debugfs file\n"); |
Jarkko Nikula | a605215 | 2010-11-05 20:35:19 +0200 | [diff] [blame] | 437 | } |
| 438 | |
| 439 | static void soc_cleanup_card_debugfs(struct snd_soc_card *card) |
| 440 | { |
| 441 | debugfs_remove_recursive(card->debugfs_card_root); |
| 442 | } |
| 443 | |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 444 | #else |
| 445 | |
| 446 | static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec) |
| 447 | { |
| 448 | } |
| 449 | |
| 450 | static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) |
| 451 | { |
| 452 | } |
Axel Lin | b95fccb | 2010-11-09 17:06:44 +0800 | [diff] [blame] | 453 | |
| 454 | static inline void soc_init_card_debugfs(struct snd_soc_card *card) |
| 455 | { |
| 456 | } |
| 457 | |
| 458 | static inline void soc_cleanup_card_debugfs(struct snd_soc_card *card) |
| 459 | { |
| 460 | } |
Mark Brown | 2624d5f | 2009-11-03 21:56:13 +0000 | [diff] [blame] | 461 | #endif |
| 462 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 463 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 464 | /* unregister ac97 codec */ |
| 465 | static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) |
| 466 | { |
| 467 | if (codec->ac97->dev.bus) |
| 468 | device_unregister(&codec->ac97->dev); |
| 469 | return 0; |
| 470 | } |
| 471 | |
| 472 | /* stop no dev release warning */ |
| 473 | static void soc_ac97_device_release(struct device *dev){} |
| 474 | |
| 475 | /* register ac97 codec to bus */ |
| 476 | static int soc_ac97_dev_register(struct snd_soc_codec *codec) |
| 477 | { |
| 478 | int err; |
| 479 | |
| 480 | codec->ac97->dev.bus = &ac97_bus_type; |
Mark Brown | 4ac5c61 | 2009-04-01 19:35:01 +0100 | [diff] [blame] | 481 | codec->ac97->dev.parent = codec->card->dev; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 482 | codec->ac97->dev.release = soc_ac97_device_release; |
| 483 | |
Kay Sievers | bb072bf | 2008-11-02 03:50:35 +0100 | [diff] [blame] | 484 | dev_set_name(&codec->ac97->dev, "%d-%d:%s", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 485 | codec->card->snd_card->number, 0, codec->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 486 | err = device_register(&codec->ac97->dev); |
| 487 | if (err < 0) { |
| 488 | snd_printk(KERN_ERR "Can't register ac97 bus\n"); |
| 489 | codec->ac97->dev.bus = NULL; |
| 490 | return err; |
| 491 | } |
| 492 | return 0; |
| 493 | } |
| 494 | #endif |
| 495 | |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 496 | static int soc_pcm_apply_symmetry(struct snd_pcm_substream *substream) |
| 497 | { |
| 498 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 499 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 500 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 501 | int ret; |
| 502 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 503 | if (codec_dai->driver->symmetric_rates || cpu_dai->driver->symmetric_rates || |
| 504 | rtd->dai_link->symmetric_rates) { |
| 505 | dev_dbg(&rtd->dev, "Symmetry forces %dHz rate\n", |
| 506 | rtd->rate); |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 507 | |
| 508 | ret = snd_pcm_hw_constraint_minmax(substream->runtime, |
| 509 | SNDRV_PCM_HW_PARAM_RATE, |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 510 | rtd->rate, |
| 511 | rtd->rate); |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 512 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 513 | dev_err(&rtd->dev, |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 514 | "Unable to apply rate symmetry constraint: %d\n", ret); |
| 515 | return ret; |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | return 0; |
| 520 | } |
| 521 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 522 | /* |
| 523 | * Called by ALSA when a PCM substream is opened, the runtime->hw record is |
| 524 | * then initialized and any private data can be allocated. This also calls |
| 525 | * startup for the cpu DAI, platform, machine and codec DAI. |
| 526 | */ |
| 527 | static int soc_pcm_open(struct snd_pcm_substream *substream) |
| 528 | { |
| 529 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 530 | struct snd_pcm_runtime *runtime = substream->runtime; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 531 | struct snd_soc_platform *platform = rtd->platform; |
| 532 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 533 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 534 | struct snd_soc_dai_driver *cpu_dai_drv = cpu_dai->driver; |
| 535 | struct snd_soc_dai_driver *codec_dai_drv = codec_dai->driver; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 536 | int ret = 0; |
| 537 | |
| 538 | mutex_lock(&pcm_mutex); |
| 539 | |
| 540 | /* startup the audio subsystem */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 541 | if (cpu_dai->driver->ops->startup) { |
| 542 | ret = cpu_dai->driver->ops->startup(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 543 | if (ret < 0) { |
| 544 | printk(KERN_ERR "asoc: can't open interface %s\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 545 | cpu_dai->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 546 | goto out; |
| 547 | } |
| 548 | } |
| 549 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 550 | if (platform->driver->ops->open) { |
| 551 | ret = platform->driver->ops->open(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 552 | if (ret < 0) { |
| 553 | printk(KERN_ERR "asoc: can't open platform %s\n", platform->name); |
| 554 | goto platform_err; |
| 555 | } |
| 556 | } |
| 557 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 558 | if (codec_dai->driver->ops->startup) { |
| 559 | ret = codec_dai->driver->ops->startup(substream, codec_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 560 | if (ret < 0) { |
| 561 | printk(KERN_ERR "asoc: can't open codec %s\n", |
| 562 | codec_dai->name); |
| 563 | goto codec_dai_err; |
| 564 | } |
| 565 | } |
| 566 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 567 | if (rtd->dai_link->ops && rtd->dai_link->ops->startup) { |
| 568 | ret = rtd->dai_link->ops->startup(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 569 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 570 | printk(KERN_ERR "asoc: %s startup failed\n", rtd->dai_link->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 571 | goto machine_err; |
| 572 | } |
| 573 | } |
| 574 | |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 575 | /* Check that the codec and cpu DAIs are compatible */ |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 576 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 577 | runtime->hw.rate_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 578 | max(codec_dai_drv->playback.rate_min, |
| 579 | cpu_dai_drv->playback.rate_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 580 | runtime->hw.rate_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 581 | min(codec_dai_drv->playback.rate_max, |
| 582 | cpu_dai_drv->playback.rate_max); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 583 | runtime->hw.channels_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 584 | max(codec_dai_drv->playback.channels_min, |
| 585 | cpu_dai_drv->playback.channels_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 586 | runtime->hw.channels_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 587 | min(codec_dai_drv->playback.channels_max, |
| 588 | cpu_dai_drv->playback.channels_max); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 589 | runtime->hw.formats = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 590 | codec_dai_drv->playback.formats & cpu_dai_drv->playback.formats; |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 591 | runtime->hw.rates = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 592 | codec_dai_drv->playback.rates & cpu_dai_drv->playback.rates; |
| 593 | if (codec_dai_drv->playback.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 594 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 595 | runtime->hw.rates |= cpu_dai_drv->playback.rates; |
| 596 | if (cpu_dai_drv->playback.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 597 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 598 | runtime->hw.rates |= codec_dai_drv->playback.rates; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 599 | } else { |
| 600 | runtime->hw.rate_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 601 | max(codec_dai_drv->capture.rate_min, |
| 602 | cpu_dai_drv->capture.rate_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 603 | runtime->hw.rate_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 604 | min(codec_dai_drv->capture.rate_max, |
| 605 | cpu_dai_drv->capture.rate_max); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 606 | runtime->hw.channels_min = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 607 | max(codec_dai_drv->capture.channels_min, |
| 608 | cpu_dai_drv->capture.channels_min); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 609 | runtime->hw.channels_max = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 610 | min(codec_dai_drv->capture.channels_max, |
| 611 | cpu_dai_drv->capture.channels_max); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 612 | runtime->hw.formats = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 613 | codec_dai_drv->capture.formats & cpu_dai_drv->capture.formats; |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 614 | runtime->hw.rates = |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 615 | codec_dai_drv->capture.rates & cpu_dai_drv->capture.rates; |
| 616 | if (codec_dai_drv->capture.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 617 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 618 | runtime->hw.rates |= cpu_dai_drv->capture.rates; |
| 619 | if (cpu_dai_drv->capture.rates |
Jassi Brar | d9ad629 | 2010-03-12 13:38:52 +0900 | [diff] [blame] | 620 | & (SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_CONTINUOUS)) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 621 | runtime->hw.rates |= codec_dai_drv->capture.rates; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 622 | } |
| 623 | |
| 624 | snd_pcm_limit_hw_rates(runtime); |
| 625 | if (!runtime->hw.rates) { |
| 626 | printk(KERN_ERR "asoc: %s <-> %s No matching rates\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 627 | codec_dai->name, cpu_dai->name); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 628 | goto config_err; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 629 | } |
| 630 | if (!runtime->hw.formats) { |
| 631 | printk(KERN_ERR "asoc: %s <-> %s No matching formats\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 632 | codec_dai->name, cpu_dai->name); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 633 | goto config_err; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 634 | } |
| 635 | if (!runtime->hw.channels_min || !runtime->hw.channels_max) { |
| 636 | printk(KERN_ERR "asoc: %s <-> %s No matching channels\n", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 637 | codec_dai->name, cpu_dai->name); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 638 | goto config_err; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 639 | } |
| 640 | |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 641 | /* Symmetry only applies if we've already got an active stream. */ |
| 642 | if (cpu_dai->active || codec_dai->active) { |
| 643 | ret = soc_pcm_apply_symmetry(substream); |
| 644 | if (ret != 0) |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 645 | goto config_err; |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 646 | } |
| 647 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 648 | pr_debug("asoc: %s <-> %s info:\n", |
| 649 | codec_dai->name, cpu_dai->name); |
Mark Brown | f24368c | 2008-10-21 21:45:08 +0100 | [diff] [blame] | 650 | pr_debug("asoc: rate mask 0x%x\n", runtime->hw.rates); |
| 651 | pr_debug("asoc: min ch %d max ch %d\n", runtime->hw.channels_min, |
| 652 | runtime->hw.channels_max); |
| 653 | pr_debug("asoc: min rate %d max rate %d\n", runtime->hw.rate_min, |
| 654 | runtime->hw.rate_max); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 655 | |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 656 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 657 | cpu_dai->playback_active++; |
| 658 | codec_dai->playback_active++; |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 659 | } else { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 660 | cpu_dai->capture_active++; |
| 661 | codec_dai->capture_active++; |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 662 | } |
| 663 | cpu_dai->active++; |
| 664 | codec_dai->active++; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 665 | rtd->codec->active++; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 666 | mutex_unlock(&pcm_mutex); |
| 667 | return 0; |
| 668 | |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 669 | config_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 670 | if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) |
| 671 | rtd->dai_link->ops->shutdown(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 672 | |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 673 | machine_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 674 | if (codec_dai->driver->ops->shutdown) |
| 675 | codec_dai->driver->ops->shutdown(substream, codec_dai); |
Jassi Brar | bb1c047 | 2010-02-25 11:24:53 +0900 | [diff] [blame] | 676 | |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 677 | codec_dai_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 678 | if (platform->driver->ops->close) |
| 679 | platform->driver->ops->close(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 680 | |
| 681 | platform_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 682 | if (cpu_dai->driver->ops->shutdown) |
| 683 | cpu_dai->driver->ops->shutdown(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 684 | out: |
| 685 | mutex_unlock(&pcm_mutex); |
| 686 | return ret; |
| 687 | } |
| 688 | |
| 689 | /* |
Robert P. J. Day | 3a4fa0a | 2007-10-19 23:10:43 +0200 | [diff] [blame] | 690 | * Power down the audio subsystem pmdown_time msecs after close is called. |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 691 | * This is to ensure there are no pops or clicks in between any music tracks |
| 692 | * due to DAPM power cycling. |
| 693 | */ |
Andrew Morton | 4484bb2 | 2006-12-15 09:30:07 +0100 | [diff] [blame] | 694 | static void close_delayed_work(struct work_struct *work) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 695 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 696 | struct snd_soc_pcm_runtime *rtd = |
| 697 | container_of(work, struct snd_soc_pcm_runtime, delayed_work.work); |
| 698 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 699 | |
| 700 | mutex_lock(&pcm_mutex); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 701 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 702 | pr_debug("pop wq checking: %s status: %s waiting: %s\n", |
| 703 | codec_dai->driver->playback.stream_name, |
| 704 | codec_dai->playback_active ? "active" : "inactive", |
| 705 | codec_dai->pop_wait ? "yes" : "no"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 706 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 707 | /* are we waiting on this codec DAI stream */ |
| 708 | if (codec_dai->pop_wait == 1) { |
| 709 | codec_dai->pop_wait = 0; |
| 710 | snd_soc_dapm_stream_event(rtd, |
| 711 | codec_dai->driver->playback.stream_name, |
| 712 | SND_SOC_DAPM_STREAM_STOP); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 713 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 714 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 715 | mutex_unlock(&pcm_mutex); |
| 716 | } |
| 717 | |
| 718 | /* |
| 719 | * Called by ALSA when a PCM substream is closed. Private data can be |
| 720 | * freed here. The cpu DAI, codec DAI, machine and platform are also |
| 721 | * shutdown. |
| 722 | */ |
| 723 | static int soc_codec_close(struct snd_pcm_substream *substream) |
| 724 | { |
| 725 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 726 | struct snd_soc_platform *platform = rtd->platform; |
| 727 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 728 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 729 | struct snd_soc_codec *codec = rtd->codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 730 | |
| 731 | mutex_lock(&pcm_mutex); |
| 732 | |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 733 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 734 | cpu_dai->playback_active--; |
| 735 | codec_dai->playback_active--; |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 736 | } else { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 737 | cpu_dai->capture_active--; |
| 738 | codec_dai->capture_active--; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 739 | } |
Jassi Brar | 14dc573 | 2010-02-26 09:12:32 +0900 | [diff] [blame] | 740 | |
| 741 | cpu_dai->active--; |
| 742 | codec_dai->active--; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 743 | codec->active--; |
| 744 | |
Mark Brown | 6010b2d | 2008-09-06 18:33:24 +0100 | [diff] [blame] | 745 | /* Muting the DAC suppresses artifacts caused during digital |
| 746 | * shutdown, for example from stopping clocks. |
| 747 | */ |
| 748 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
| 749 | snd_soc_dai_digital_mute(codec_dai, 1); |
| 750 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 751 | if (cpu_dai->driver->ops->shutdown) |
| 752 | cpu_dai->driver->ops->shutdown(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 753 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 754 | if (codec_dai->driver->ops->shutdown) |
| 755 | codec_dai->driver->ops->shutdown(substream, codec_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 756 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 757 | if (rtd->dai_link->ops && rtd->dai_link->ops->shutdown) |
| 758 | rtd->dai_link->ops->shutdown(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 759 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 760 | if (platform->driver->ops->close) |
| 761 | platform->driver->ops->close(substream); |
| 762 | cpu_dai->runtime = NULL; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 763 | |
| 764 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { |
| 765 | /* start delayed pop wq here for playback streams */ |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 766 | codec_dai->pop_wait = 1; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 767 | schedule_delayed_work(&rtd->delayed_work, |
| 768 | msecs_to_jiffies(rtd->pmdown_time)); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 769 | } else { |
| 770 | /* capture streams can be powered down now */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 771 | snd_soc_dapm_stream_event(rtd, |
| 772 | codec_dai->driver->capture.stream_name, |
Liam Girdwood | 0b4d221 | 2008-01-10 14:36:20 +0100 | [diff] [blame] | 773 | SND_SOC_DAPM_STREAM_STOP); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | mutex_unlock(&pcm_mutex); |
| 777 | return 0; |
| 778 | } |
| 779 | |
| 780 | /* |
| 781 | * Called by ALSA when the PCM substream is prepared, can set format, sample |
| 782 | * rate, etc. This function is non atomic and can be called multiple times, |
| 783 | * it can refer to the runtime info. |
| 784 | */ |
| 785 | static int soc_pcm_prepare(struct snd_pcm_substream *substream) |
| 786 | { |
| 787 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 788 | struct snd_soc_platform *platform = rtd->platform; |
| 789 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 790 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 791 | int ret = 0; |
| 792 | |
| 793 | mutex_lock(&pcm_mutex); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 794 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 795 | if (rtd->dai_link->ops && rtd->dai_link->ops->prepare) { |
| 796 | ret = rtd->dai_link->ops->prepare(substream); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 797 | if (ret < 0) { |
| 798 | printk(KERN_ERR "asoc: machine prepare error\n"); |
| 799 | goto out; |
| 800 | } |
| 801 | } |
| 802 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 803 | if (platform->driver->ops->prepare) { |
| 804 | ret = platform->driver->ops->prepare(substream); |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 805 | if (ret < 0) { |
| 806 | printk(KERN_ERR "asoc: platform prepare error\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 807 | goto out; |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 808 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 809 | } |
| 810 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 811 | if (codec_dai->driver->ops->prepare) { |
| 812 | ret = codec_dai->driver->ops->prepare(substream, codec_dai); |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 813 | if (ret < 0) { |
| 814 | printk(KERN_ERR "asoc: codec DAI prepare error\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 815 | goto out; |
Liam Girdwood | a71a468 | 2006-10-19 20:35:56 +0200 | [diff] [blame] | 816 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 817 | } |
| 818 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 819 | if (cpu_dai->driver->ops->prepare) { |
| 820 | ret = cpu_dai->driver->ops->prepare(substream, cpu_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 821 | if (ret < 0) { |
| 822 | printk(KERN_ERR "asoc: cpu DAI prepare error\n"); |
| 823 | goto out; |
| 824 | } |
| 825 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 826 | |
Mark Brown | d45f621 | 2008-10-14 13:58:36 +0100 | [diff] [blame] | 827 | /* cancel any delayed stream shutdown that is pending */ |
| 828 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && |
| 829 | codec_dai->pop_wait) { |
| 830 | codec_dai->pop_wait = 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 831 | cancel_delayed_work(&rtd->delayed_work); |
Mark Brown | d45f621 | 2008-10-14 13:58:36 +0100 | [diff] [blame] | 832 | } |
| 833 | |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 834 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 835 | snd_soc_dapm_stream_event(rtd, |
| 836 | codec_dai->driver->playback.stream_name, |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 837 | SND_SOC_DAPM_STREAM_START); |
| 838 | else |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 839 | snd_soc_dapm_stream_event(rtd, |
| 840 | codec_dai->driver->capture.stream_name, |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 841 | SND_SOC_DAPM_STREAM_START); |
Mark Brown | d45f621 | 2008-10-14 13:58:36 +0100 | [diff] [blame] | 842 | |
Mark Brown | 452c5ea | 2009-05-17 21:41:23 +0100 | [diff] [blame] | 843 | snd_soc_dai_digital_mute(codec_dai, 0); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 844 | |
| 845 | out: |
| 846 | mutex_unlock(&pcm_mutex); |
| 847 | return ret; |
| 848 | } |
| 849 | |
| 850 | /* |
| 851 | * Called by ALSA when the hardware params are set by application. This |
| 852 | * function can also be called multiple times and can allocate buffers |
| 853 | * (using snd_pcm_lib_* ). It's non-atomic. |
| 854 | */ |
| 855 | static int soc_pcm_hw_params(struct snd_pcm_substream *substream, |
| 856 | struct snd_pcm_hw_params *params) |
| 857 | { |
| 858 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 859 | struct snd_soc_platform *platform = rtd->platform; |
| 860 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 861 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 862 | int ret = 0; |
| 863 | |
| 864 | mutex_lock(&pcm_mutex); |
| 865 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 866 | if (rtd->dai_link->ops && rtd->dai_link->ops->hw_params) { |
| 867 | ret = rtd->dai_link->ops->hw_params(substream, params); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 868 | if (ret < 0) { |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 869 | printk(KERN_ERR "asoc: machine hw_params failed\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 870 | goto out; |
| 871 | } |
| 872 | } |
| 873 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 874 | if (codec_dai->driver->ops->hw_params) { |
| 875 | ret = codec_dai->driver->ops->hw_params(substream, params, codec_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 876 | if (ret < 0) { |
| 877 | printk(KERN_ERR "asoc: can't set codec %s hw params\n", |
| 878 | codec_dai->name); |
| 879 | goto codec_err; |
| 880 | } |
| 881 | } |
| 882 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 883 | if (cpu_dai->driver->ops->hw_params) { |
| 884 | ret = cpu_dai->driver->ops->hw_params(substream, params, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 885 | if (ret < 0) { |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 886 | printk(KERN_ERR "asoc: interface %s hw params failed\n", |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 887 | cpu_dai->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 888 | goto interface_err; |
| 889 | } |
| 890 | } |
| 891 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 892 | if (platform->driver->ops->hw_params) { |
| 893 | ret = platform->driver->ops->hw_params(substream, params); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 894 | if (ret < 0) { |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 895 | printk(KERN_ERR "asoc: platform %s hw params failed\n", |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 896 | platform->name); |
| 897 | goto platform_err; |
| 898 | } |
| 899 | } |
| 900 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 901 | rtd->rate = params_rate(params); |
Mark Brown | 06f409d | 2009-04-07 18:10:13 +0100 | [diff] [blame] | 902 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 903 | out: |
| 904 | mutex_unlock(&pcm_mutex); |
| 905 | return ret; |
| 906 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 907 | platform_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 908 | if (cpu_dai->driver->ops->hw_free) |
| 909 | cpu_dai->driver->ops->hw_free(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 910 | |
| 911 | interface_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 912 | if (codec_dai->driver->ops->hw_free) |
| 913 | codec_dai->driver->ops->hw_free(substream, codec_dai); |
Liam Girdwood | cb666e5 | 2007-02-02 17:13:49 +0100 | [diff] [blame] | 914 | |
| 915 | codec_err: |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 916 | if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) |
| 917 | rtd->dai_link->ops->hw_free(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 918 | |
| 919 | mutex_unlock(&pcm_mutex); |
| 920 | return ret; |
| 921 | } |
| 922 | |
| 923 | /* |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 924 | * Frees resources allocated by hw_params, can be called multiple times |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 925 | */ |
| 926 | static int soc_pcm_hw_free(struct snd_pcm_substream *substream) |
| 927 | { |
| 928 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 929 | struct snd_soc_platform *platform = rtd->platform; |
| 930 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 931 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 932 | struct snd_soc_codec *codec = rtd->codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 933 | |
| 934 | mutex_lock(&pcm_mutex); |
| 935 | |
| 936 | /* apply codec digital mute */ |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 937 | if (!codec->active) |
| 938 | snd_soc_dai_digital_mute(codec_dai, 1); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 939 | |
| 940 | /* free any machine hw params */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 941 | if (rtd->dai_link->ops && rtd->dai_link->ops->hw_free) |
| 942 | rtd->dai_link->ops->hw_free(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 943 | |
| 944 | /* free any DMA resources */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 945 | if (platform->driver->ops->hw_free) |
| 946 | platform->driver->ops->hw_free(substream); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 947 | |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 948 | /* now free hw params for the DAIs */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 949 | if (codec_dai->driver->ops->hw_free) |
| 950 | codec_dai->driver->ops->hw_free(substream, codec_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 951 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 952 | if (cpu_dai->driver->ops->hw_free) |
| 953 | cpu_dai->driver->ops->hw_free(substream, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 954 | |
| 955 | mutex_unlock(&pcm_mutex); |
| 956 | return 0; |
| 957 | } |
| 958 | |
| 959 | static int soc_pcm_trigger(struct snd_pcm_substream *substream, int cmd) |
| 960 | { |
| 961 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 962 | struct snd_soc_platform *platform = rtd->platform; |
| 963 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 964 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 965 | int ret; |
| 966 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 967 | if (codec_dai->driver->ops->trigger) { |
| 968 | ret = codec_dai->driver->ops->trigger(substream, cmd, codec_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 969 | if (ret < 0) |
| 970 | return ret; |
| 971 | } |
| 972 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 973 | if (platform->driver->ops->trigger) { |
| 974 | ret = platform->driver->ops->trigger(substream, cmd); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 975 | if (ret < 0) |
| 976 | return ret; |
| 977 | } |
| 978 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 979 | if (cpu_dai->driver->ops->trigger) { |
| 980 | ret = cpu_dai->driver->ops->trigger(substream, cmd, cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 981 | if (ret < 0) |
| 982 | return ret; |
| 983 | } |
| 984 | return 0; |
| 985 | } |
| 986 | |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 987 | /* |
| 988 | * soc level wrapper for pointer callback |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 989 | * If cpu_dai, codec_dai, platform driver has the delay callback, than |
| 990 | * the runtime->delay will be updated accordingly. |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 991 | */ |
| 992 | static snd_pcm_uframes_t soc_pcm_pointer(struct snd_pcm_substream *substream) |
| 993 | { |
| 994 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 995 | struct snd_soc_platform *platform = rtd->platform; |
| 996 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
| 997 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 998 | struct snd_pcm_runtime *runtime = substream->runtime; |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 999 | snd_pcm_uframes_t offset = 0; |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1000 | snd_pcm_sframes_t delay = 0; |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1001 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1002 | if (platform->driver->ops->pointer) |
| 1003 | offset = platform->driver->ops->pointer(substream); |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1004 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1005 | if (cpu_dai->driver->ops->delay) |
| 1006 | delay += cpu_dai->driver->ops->delay(substream, cpu_dai); |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1007 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1008 | if (codec_dai->driver->ops->delay) |
| 1009 | delay += codec_dai->driver->ops->delay(substream, codec_dai); |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1010 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1011 | if (platform->driver->delay) |
| 1012 | delay += platform->driver->delay(substream, codec_dai); |
Peter Ujfalusi | 258020d | 2010-03-03 15:08:07 +0200 | [diff] [blame] | 1013 | |
| 1014 | runtime->delay = delay; |
| 1015 | |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1016 | return offset; |
| 1017 | } |
| 1018 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1019 | /* ASoC PCM operations */ |
| 1020 | static struct snd_pcm_ops soc_pcm_ops = { |
| 1021 | .open = soc_pcm_open, |
| 1022 | .close = soc_codec_close, |
| 1023 | .hw_params = soc_pcm_hw_params, |
| 1024 | .hw_free = soc_pcm_hw_free, |
| 1025 | .prepare = soc_pcm_prepare, |
| 1026 | .trigger = soc_pcm_trigger, |
Peter Ujfalusi | 377b6f6 | 2010-03-03 15:08:06 +0200 | [diff] [blame] | 1027 | .pointer = soc_pcm_pointer, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1028 | }; |
| 1029 | |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1030 | #ifdef CONFIG_PM_SLEEP |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1031 | /* powers down audio subsystem for suspend */ |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1032 | int snd_soc_suspend(struct device *dev) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1033 | { |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1034 | struct snd_soc_card *card = dev_get_drvdata(dev); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1035 | struct snd_soc_codec *codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1036 | int i; |
| 1037 | |
Daniel Mack | e3509ff | 2009-06-03 17:44:49 +0200 | [diff] [blame] | 1038 | /* If the initialization of this soc device failed, there is no codec |
| 1039 | * associated with it. Just bail out in this case. |
| 1040 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1041 | if (list_empty(&card->codec_dev_list)) |
Daniel Mack | e3509ff | 2009-06-03 17:44:49 +0200 | [diff] [blame] | 1042 | return 0; |
| 1043 | |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1044 | /* Due to the resume being scheduled into a workqueue we could |
| 1045 | * suspend before that's finished - wait for it to complete. |
| 1046 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1047 | snd_power_lock(card->snd_card); |
| 1048 | snd_power_wait(card->snd_card, SNDRV_CTL_POWER_D0); |
| 1049 | snd_power_unlock(card->snd_card); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1050 | |
| 1051 | /* we're going to block userspace touching us until resume completes */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1052 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1053 | |
Mark Brown | a00f90f | 2010-12-02 16:24:24 +0000 | [diff] [blame] | 1054 | /* mute any active DACs */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1055 | for (i = 0; i < card->num_rtd; i++) { |
| 1056 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; |
| 1057 | struct snd_soc_dai_driver *drv = dai->driver; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1058 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1059 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1060 | continue; |
| 1061 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1062 | if (drv->ops->digital_mute && dai->playback_active) |
| 1063 | drv->ops->digital_mute(dai, 1); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1064 | } |
| 1065 | |
Liam Girdwood | 4ccab3e | 2008-01-10 14:39:01 +0100 | [diff] [blame] | 1066 | /* suspend all pcms */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1067 | for (i = 0; i < card->num_rtd; i++) { |
| 1068 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1069 | continue; |
| 1070 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1071 | snd_pcm_suspend_all(card->rtd[i].pcm); |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1072 | } |
Liam Girdwood | 4ccab3e | 2008-01-10 14:39:01 +0100 | [diff] [blame] | 1073 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1074 | if (card->suspend_pre) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1075 | card->suspend_pre(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1076 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1077 | for (i = 0; i < card->num_rtd; i++) { |
| 1078 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1079 | struct snd_soc_platform *platform = card->rtd[i].platform; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1080 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1081 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1082 | continue; |
| 1083 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1084 | if (cpu_dai->driver->suspend && !cpu_dai->driver->ac97_control) |
| 1085 | cpu_dai->driver->suspend(cpu_dai); |
| 1086 | if (platform->driver->suspend && !platform->suspended) { |
| 1087 | platform->driver->suspend(cpu_dai); |
| 1088 | platform->suspended = 1; |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 1089 | } |
| 1090 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1091 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1092 | /* close any waiting streams and save state */ |
| 1093 | for (i = 0; i < card->num_rtd; i++) { |
Tejun Heo | 5b84ba2 | 2010-12-11 17:51:26 +0100 | [diff] [blame] | 1094 | flush_delayed_work_sync(&card->rtd[i].delayed_work); |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1095 | card->rtd[i].codec->dapm.suspend_bias_level = card->rtd[i].codec->dapm.bias_level; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1096 | } |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1097 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1098 | for (i = 0; i < card->num_rtd; i++) { |
| 1099 | struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; |
| 1100 | |
| 1101 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1102 | continue; |
| 1103 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1104 | if (driver->playback.stream_name != NULL) |
| 1105 | snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, |
| 1106 | SND_SOC_DAPM_STREAM_SUSPEND); |
| 1107 | |
| 1108 | if (driver->capture.stream_name != NULL) |
| 1109 | snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, |
| 1110 | SND_SOC_DAPM_STREAM_SUSPEND); |
| 1111 | } |
| 1112 | |
| 1113 | /* suspend all CODECs */ |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1114 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1115 | /* If there are paths active then the CODEC will be held with |
| 1116 | * bias _ON and should not be suspended. */ |
| 1117 | if (!codec->suspended && codec->driver->suspend) { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1118 | switch (codec->dapm.bias_level) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1119 | case SND_SOC_BIAS_STANDBY: |
| 1120 | case SND_SOC_BIAS_OFF: |
| 1121 | codec->driver->suspend(codec, PMSG_SUSPEND); |
| 1122 | codec->suspended = 1; |
| 1123 | break; |
| 1124 | default: |
| 1125 | dev_dbg(codec->dev, "CODEC is on over suspend\n"); |
| 1126 | break; |
| 1127 | } |
| 1128 | } |
| 1129 | } |
| 1130 | |
| 1131 | for (i = 0; i < card->num_rtd; i++) { |
| 1132 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1133 | |
| 1134 | if (card->rtd[i].dai_link->ignore_suspend) |
| 1135 | continue; |
| 1136 | |
| 1137 | if (cpu_dai->driver->suspend && cpu_dai->driver->ac97_control) |
| 1138 | cpu_dai->driver->suspend(cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1139 | } |
| 1140 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1141 | if (card->suspend_post) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1142 | card->suspend_post(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1143 | |
| 1144 | return 0; |
| 1145 | } |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1146 | EXPORT_SYMBOL_GPL(snd_soc_suspend); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1147 | |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1148 | /* deferred resume work, so resume can complete before we finished |
| 1149 | * setting our codec back up, which can be very slow on I2C |
| 1150 | */ |
| 1151 | static void soc_resume_deferred(struct work_struct *work) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1152 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1153 | struct snd_soc_card *card = |
| 1154 | container_of(work, struct snd_soc_card, deferred_resume_work); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1155 | struct snd_soc_codec *codec; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1156 | int i; |
| 1157 | |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1158 | /* our power state is still SNDRV_CTL_POWER_D3hot from suspend time, |
| 1159 | * so userspace apps are blocked from touching us |
| 1160 | */ |
| 1161 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1162 | dev_dbg(card->dev, "starting resume work\n"); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1163 | |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 1164 | /* Bring us up into D2 so that DAPM starts enabling things */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1165 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D2); |
Mark Brown | 9949788 | 2010-05-07 20:24:05 +0100 | [diff] [blame] | 1166 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1167 | if (card->resume_pre) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1168 | card->resume_pre(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1169 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1170 | /* resume AC97 DAIs */ |
| 1171 | for (i = 0; i < card->num_rtd; i++) { |
| 1172 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1173 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1174 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1175 | continue; |
| 1176 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1177 | if (cpu_dai->driver->resume && cpu_dai->driver->ac97_control) |
| 1178 | cpu_dai->driver->resume(cpu_dai); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1179 | } |
| 1180 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1181 | list_for_each_entry(codec, &card->codec_dev_list, card_list) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1182 | /* If the CODEC was idle over suspend then it will have been |
| 1183 | * left with bias OFF or STANDBY and suspended so we must now |
| 1184 | * resume. Otherwise the suspend was suppressed. |
| 1185 | */ |
| 1186 | if (codec->driver->resume && codec->suspended) { |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 1187 | switch (codec->dapm.bias_level) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1188 | case SND_SOC_BIAS_STANDBY: |
| 1189 | case SND_SOC_BIAS_OFF: |
| 1190 | codec->driver->resume(codec); |
| 1191 | codec->suspended = 0; |
| 1192 | break; |
| 1193 | default: |
| 1194 | dev_dbg(codec->dev, "CODEC was on over suspend\n"); |
| 1195 | break; |
| 1196 | } |
Mark Brown | 1547aba | 2010-05-07 21:11:40 +0100 | [diff] [blame] | 1197 | } |
| 1198 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1199 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1200 | for (i = 0; i < card->num_rtd; i++) { |
| 1201 | struct snd_soc_dai_driver *driver = card->rtd[i].codec_dai->driver; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1202 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1203 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1204 | continue; |
| 1205 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1206 | if (driver->playback.stream_name != NULL) |
| 1207 | snd_soc_dapm_stream_event(&card->rtd[i], driver->playback.stream_name, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1208 | SND_SOC_DAPM_STREAM_RESUME); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1209 | |
| 1210 | if (driver->capture.stream_name != NULL) |
| 1211 | snd_soc_dapm_stream_event(&card->rtd[i], driver->capture.stream_name, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1212 | SND_SOC_DAPM_STREAM_RESUME); |
| 1213 | } |
| 1214 | |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 1215 | /* unmute any active DACs */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1216 | for (i = 0; i < card->num_rtd; i++) { |
| 1217 | struct snd_soc_dai *dai = card->rtd[i].codec_dai; |
| 1218 | struct snd_soc_dai_driver *drv = dai->driver; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1219 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1220 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1221 | continue; |
| 1222 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1223 | if (drv->ops->digital_mute && dai->playback_active) |
| 1224 | drv->ops->digital_mute(dai, 0); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1225 | } |
| 1226 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1227 | for (i = 0; i < card->num_rtd; i++) { |
| 1228 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1229 | struct snd_soc_platform *platform = card->rtd[i].platform; |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1230 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1231 | if (card->rtd[i].dai_link->ignore_suspend) |
Mark Brown | 3efab7d | 2010-05-09 13:25:43 +0100 | [diff] [blame] | 1232 | continue; |
| 1233 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1234 | if (cpu_dai->driver->resume && !cpu_dai->driver->ac97_control) |
| 1235 | cpu_dai->driver->resume(cpu_dai); |
| 1236 | if (platform->driver->resume && platform->suspended) { |
| 1237 | platform->driver->resume(cpu_dai); |
| 1238 | platform->suspended = 0; |
| 1239 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1240 | } |
| 1241 | |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1242 | if (card->resume_post) |
Mark Brown | 70b2ac1 | 2011-01-26 14:05:25 +0000 | [diff] [blame] | 1243 | card->resume_post(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1244 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1245 | dev_dbg(card->dev, "resume work completed\n"); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1246 | |
| 1247 | /* userspace can access us now we are back as we were before */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1248 | snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D0); |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1249 | } |
| 1250 | |
| 1251 | /* powers up audio subsystem after a suspend */ |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1252 | int snd_soc_resume(struct device *dev) |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1253 | { |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1254 | struct snd_soc_card *card = dev_get_drvdata(dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1255 | int i; |
Peter Ujfalusi | b9dd94a | 2010-02-22 13:27:13 +0200 | [diff] [blame] | 1256 | |
Mark Brown | 64ab9ba | 2009-03-31 11:27:03 +0100 | [diff] [blame] | 1257 | /* AC97 devices might have other drivers hanging off them so |
| 1258 | * need to resume immediately. Other drivers don't have that |
| 1259 | * problem and may take a substantial amount of time to resume |
| 1260 | * due to I/O costs and anti-pop so handle them out of line. |
| 1261 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1262 | for (i = 0; i < card->num_rtd; i++) { |
| 1263 | struct snd_soc_dai *cpu_dai = card->rtd[i].cpu_dai; |
| 1264 | if (cpu_dai->driver->ac97_control) { |
| 1265 | dev_dbg(dev, "Resuming AC97 immediately\n"); |
| 1266 | soc_resume_deferred(&card->deferred_resume_work); |
| 1267 | } else { |
| 1268 | dev_dbg(dev, "Scheduling resume work\n"); |
| 1269 | if (!schedule_work(&card->deferred_resume_work)) |
| 1270 | dev_err(dev, "resume work item may be lost\n"); |
| 1271 | } |
Mark Brown | 64ab9ba | 2009-03-31 11:27:03 +0100 | [diff] [blame] | 1272 | } |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1273 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1274 | return 0; |
| 1275 | } |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1276 | EXPORT_SYMBOL_GPL(snd_soc_resume); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1277 | #else |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 1278 | #define snd_soc_suspend NULL |
| 1279 | #define snd_soc_resume NULL |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1280 | #endif |
| 1281 | |
Barry Song | 02a06d3 | 2009-10-16 18:13:38 +0800 | [diff] [blame] | 1282 | static struct snd_soc_dai_ops null_dai_ops = { |
| 1283 | }; |
| 1284 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1285 | static int soc_bind_dai_link(struct snd_soc_card *card, int num) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1286 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1287 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
| 1288 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1289 | struct snd_soc_codec *codec; |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1290 | struct snd_soc_platform *platform; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1291 | struct snd_soc_dai *codec_dai, *cpu_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1292 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1293 | if (rtd->complete) |
| 1294 | return 1; |
| 1295 | dev_dbg(card->dev, "binding %s at idx %d\n", dai_link->name, num); |
Mark Brown | 6308419 | 2008-12-02 15:08:03 +0000 | [diff] [blame] | 1296 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1297 | /* do we already have the CPU DAI for this link ? */ |
| 1298 | if (rtd->cpu_dai) { |
| 1299 | goto find_codec; |
| 1300 | } |
| 1301 | /* no, then find CPU DAI from registered DAIs*/ |
| 1302 | list_for_each_entry(cpu_dai, &dai_list, list) { |
| 1303 | if (!strcmp(cpu_dai->name, dai_link->cpu_dai_name)) { |
| 1304 | |
| 1305 | if (!try_module_get(cpu_dai->dev->driver->owner)) |
| 1306 | return -ENODEV; |
| 1307 | |
| 1308 | rtd->cpu_dai = cpu_dai; |
| 1309 | goto find_codec; |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1310 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1311 | } |
| 1312 | dev_dbg(card->dev, "CPU DAI %s not registered\n", |
| 1313 | dai_link->cpu_dai_name); |
| 1314 | |
| 1315 | find_codec: |
| 1316 | /* do we already have the CODEC for this link ? */ |
| 1317 | if (rtd->codec) { |
| 1318 | goto find_platform; |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 1319 | } |
| 1320 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1321 | /* no, then find CODEC from registered CODECs*/ |
| 1322 | list_for_each_entry(codec, &codec_list, list) { |
| 1323 | if (!strcmp(codec->name, dai_link->codec_name)) { |
| 1324 | rtd->codec = codec; |
Mark Brown | 6b05eda | 2008-12-08 19:26:48 +0000 | [diff] [blame] | 1325 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1326 | /* CODEC found, so find CODEC DAI from registered DAIs from this CODEC*/ |
| 1327 | list_for_each_entry(codec_dai, &dai_list, list) { |
| 1328 | if (codec->dev == codec_dai->dev && |
| 1329 | !strcmp(codec_dai->name, dai_link->codec_dai_name)) { |
| 1330 | rtd->codec_dai = codec_dai; |
| 1331 | goto find_platform; |
Mark Brown | 6b05eda | 2008-12-08 19:26:48 +0000 | [diff] [blame] | 1332 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1333 | } |
| 1334 | dev_dbg(card->dev, "CODEC DAI %s not registered\n", |
| 1335 | dai_link->codec_dai_name); |
| 1336 | |
| 1337 | goto find_platform; |
| 1338 | } |
| 1339 | } |
| 1340 | dev_dbg(card->dev, "CODEC %s not registered\n", |
| 1341 | dai_link->codec_name); |
| 1342 | |
| 1343 | find_platform: |
| 1344 | /* do we already have the CODEC DAI for this link ? */ |
| 1345 | if (rtd->platform) { |
| 1346 | goto out; |
| 1347 | } |
| 1348 | /* no, then find CPU DAI from registered DAIs*/ |
| 1349 | list_for_each_entry(platform, &platform_list, list) { |
| 1350 | if (!strcmp(platform->name, dai_link->platform_name)) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1351 | rtd->platform = platform; |
| 1352 | goto out; |
| 1353 | } |
| 1354 | } |
| 1355 | |
| 1356 | dev_dbg(card->dev, "platform %s not registered\n", |
| 1357 | dai_link->platform_name); |
| 1358 | return 0; |
| 1359 | |
| 1360 | out: |
| 1361 | /* mark rtd as complete if we found all 4 of our client devices */ |
| 1362 | if (rtd->codec && rtd->codec_dai && rtd->platform && rtd->cpu_dai) { |
| 1363 | rtd->complete = 1; |
| 1364 | card->num_rtd++; |
| 1365 | } |
| 1366 | return 1; |
| 1367 | } |
| 1368 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1369 | static void soc_remove_codec(struct snd_soc_codec *codec) |
| 1370 | { |
| 1371 | int err; |
| 1372 | |
| 1373 | if (codec->driver->remove) { |
| 1374 | err = codec->driver->remove(codec); |
| 1375 | if (err < 0) |
| 1376 | dev_err(codec->dev, |
| 1377 | "asoc: failed to remove %s: %d\n", |
| 1378 | codec->name, err); |
| 1379 | } |
| 1380 | |
| 1381 | /* Make sure all DAPM widgets are freed */ |
| 1382 | snd_soc_dapm_free(&codec->dapm); |
| 1383 | |
| 1384 | soc_cleanup_codec_debugfs(codec); |
| 1385 | codec->probed = 0; |
| 1386 | list_del(&codec->card_list); |
| 1387 | module_put(codec->dev->driver->owner); |
| 1388 | } |
| 1389 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1390 | static void soc_remove_dai_link(struct snd_soc_card *card, int num) |
| 1391 | { |
| 1392 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; |
| 1393 | struct snd_soc_codec *codec = rtd->codec; |
| 1394 | struct snd_soc_platform *platform = rtd->platform; |
| 1395 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
| 1396 | int err; |
| 1397 | |
| 1398 | /* unregister the rtd device */ |
| 1399 | if (rtd->dev_registered) { |
| 1400 | device_remove_file(&rtd->dev, &dev_attr_pmdown_time); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1401 | device_remove_file(&rtd->dev, &dev_attr_codec_reg); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1402 | device_unregister(&rtd->dev); |
| 1403 | rtd->dev_registered = 0; |
| 1404 | } |
| 1405 | |
| 1406 | /* remove the CODEC DAI */ |
| 1407 | if (codec_dai && codec_dai->probed) { |
| 1408 | if (codec_dai->driver->remove) { |
| 1409 | err = codec_dai->driver->remove(codec_dai); |
| 1410 | if (err < 0) |
| 1411 | printk(KERN_ERR "asoc: failed to remove %s\n", codec_dai->name); |
| 1412 | } |
| 1413 | codec_dai->probed = 0; |
| 1414 | list_del(&codec_dai->card_list); |
| 1415 | } |
| 1416 | |
| 1417 | /* remove the platform */ |
| 1418 | if (platform && platform->probed) { |
| 1419 | if (platform->driver->remove) { |
| 1420 | err = platform->driver->remove(platform); |
| 1421 | if (err < 0) |
| 1422 | printk(KERN_ERR "asoc: failed to remove %s\n", platform->name); |
| 1423 | } |
| 1424 | platform->probed = 0; |
| 1425 | list_del(&platform->card_list); |
| 1426 | module_put(platform->dev->driver->owner); |
| 1427 | } |
| 1428 | |
| 1429 | /* remove the CODEC */ |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1430 | if (codec && codec->probed) |
| 1431 | soc_remove_codec(codec); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1432 | |
| 1433 | /* remove the cpu_dai */ |
| 1434 | if (cpu_dai && cpu_dai->probed) { |
| 1435 | if (cpu_dai->driver->remove) { |
| 1436 | err = cpu_dai->driver->remove(cpu_dai); |
| 1437 | if (err < 0) |
| 1438 | printk(KERN_ERR "asoc: failed to remove %s\n", cpu_dai->name); |
| 1439 | } |
| 1440 | cpu_dai->probed = 0; |
| 1441 | list_del(&cpu_dai->card_list); |
| 1442 | module_put(cpu_dai->dev->driver->owner); |
| 1443 | } |
| 1444 | } |
| 1445 | |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 1446 | static void soc_set_name_prefix(struct snd_soc_card *card, |
| 1447 | struct snd_soc_codec *codec) |
| 1448 | { |
| 1449 | int i; |
| 1450 | |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 1451 | if (card->codec_conf == NULL) |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 1452 | return; |
| 1453 | |
Dimitris Papastamos | ff819b8 | 2010-12-02 14:53:03 +0000 | [diff] [blame] | 1454 | for (i = 0; i < card->num_configs; i++) { |
| 1455 | struct snd_soc_codec_conf *map = &card->codec_conf[i]; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 1456 | if (map->dev_name && !strcmp(codec->name, map->dev_name)) { |
| 1457 | codec->name_prefix = map->name_prefix; |
| 1458 | break; |
| 1459 | } |
| 1460 | } |
| 1461 | } |
| 1462 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1463 | static int soc_probe_codec(struct snd_soc_card *card, |
| 1464 | struct snd_soc_codec *codec) |
| 1465 | { |
| 1466 | int ret = 0; |
Mark Brown | 89b95ac0 | 2011-03-07 16:38:44 +0000 | [diff] [blame] | 1467 | const struct snd_soc_codec_driver *driver = codec->driver; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1468 | |
| 1469 | codec->card = card; |
| 1470 | codec->dapm.card = card; |
| 1471 | soc_set_name_prefix(card, codec); |
| 1472 | |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1473 | if (!try_module_get(codec->dev->driver->owner)) |
| 1474 | return -ENODEV; |
| 1475 | |
Mark Brown | 89b95ac0 | 2011-03-07 16:38:44 +0000 | [diff] [blame] | 1476 | if (driver->probe) { |
| 1477 | ret = driver->probe(codec); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1478 | if (ret < 0) { |
| 1479 | dev_err(codec->dev, |
| 1480 | "asoc: failed to probe CODEC %s: %d\n", |
| 1481 | codec->name, ret); |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1482 | goto err_probe; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1483 | } |
| 1484 | } |
| 1485 | |
Mark Brown | 89b95ac0 | 2011-03-07 16:38:44 +0000 | [diff] [blame] | 1486 | if (driver->dapm_widgets) |
| 1487 | snd_soc_dapm_new_controls(&codec->dapm, driver->dapm_widgets, |
| 1488 | driver->num_dapm_widgets); |
| 1489 | if (driver->dapm_routes) |
| 1490 | snd_soc_dapm_add_routes(&codec->dapm, driver->dapm_routes, |
| 1491 | driver->num_dapm_routes); |
| 1492 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1493 | soc_init_codec_debugfs(codec); |
| 1494 | |
| 1495 | /* mark codec as probed and add to card codec list */ |
| 1496 | codec->probed = 1; |
| 1497 | list_add(&codec->card_list, &card->codec_dev_list); |
Jarkko Nikula | 7be31be8 | 2010-12-14 12:18:32 +0200 | [diff] [blame] | 1498 | list_add(&codec->dapm.list, &card->dapm_list); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1499 | |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1500 | return 0; |
| 1501 | |
| 1502 | err_probe: |
| 1503 | module_put(codec->dev->driver->owner); |
| 1504 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1505 | return ret; |
| 1506 | } |
| 1507 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1508 | static void rtd_release(struct device *dev) {} |
| 1509 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1510 | static int soc_post_component_init(struct snd_soc_card *card, |
| 1511 | struct snd_soc_codec *codec, |
| 1512 | int num, int dailess) |
| 1513 | { |
| 1514 | struct snd_soc_dai_link *dai_link = NULL; |
| 1515 | struct snd_soc_aux_dev *aux_dev = NULL; |
| 1516 | struct snd_soc_pcm_runtime *rtd; |
| 1517 | const char *temp, *name; |
| 1518 | int ret = 0; |
| 1519 | |
| 1520 | if (!dailess) { |
| 1521 | dai_link = &card->dai_link[num]; |
| 1522 | rtd = &card->rtd[num]; |
| 1523 | name = dai_link->name; |
| 1524 | } else { |
| 1525 | aux_dev = &card->aux_dev[num]; |
| 1526 | rtd = &card->rtd_aux[num]; |
| 1527 | name = aux_dev->name; |
| 1528 | } |
Janusz Krzysztofik | 0962bb2 | 2011-02-02 21:11:41 +0100 | [diff] [blame] | 1529 | rtd->card = card; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1530 | |
| 1531 | /* machine controls, routes and widgets are not prefixed */ |
| 1532 | temp = codec->name_prefix; |
| 1533 | codec->name_prefix = NULL; |
| 1534 | |
| 1535 | /* do machine specific initialization */ |
| 1536 | if (!dailess && dai_link->init) |
| 1537 | ret = dai_link->init(rtd); |
| 1538 | else if (dailess && aux_dev->init) |
| 1539 | ret = aux_dev->init(&codec->dapm); |
| 1540 | if (ret < 0) { |
| 1541 | dev_err(card->dev, "asoc: failed to init %s: %d\n", name, ret); |
| 1542 | return ret; |
| 1543 | } |
| 1544 | codec->name_prefix = temp; |
| 1545 | |
| 1546 | /* Make sure all DAPM widgets are instantiated */ |
| 1547 | snd_soc_dapm_new_widgets(&codec->dapm); |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1548 | |
| 1549 | /* register the rtd device */ |
| 1550 | rtd->codec = codec; |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1551 | rtd->dev.parent = card->dev; |
| 1552 | rtd->dev.release = rtd_release; |
| 1553 | rtd->dev.init_name = name; |
| 1554 | ret = device_register(&rtd->dev); |
| 1555 | if (ret < 0) { |
| 1556 | dev_err(card->dev, |
| 1557 | "asoc: failed to register runtime device: %d\n", ret); |
| 1558 | return ret; |
| 1559 | } |
| 1560 | rtd->dev_registered = 1; |
| 1561 | |
| 1562 | /* add DAPM sysfs entries for this codec */ |
| 1563 | ret = snd_soc_dapm_sys_add(&rtd->dev); |
| 1564 | if (ret < 0) |
| 1565 | dev_err(codec->dev, |
| 1566 | "asoc: failed to add codec dapm sysfs entries: %d\n", |
| 1567 | ret); |
| 1568 | |
| 1569 | /* add codec sysfs entries */ |
| 1570 | ret = device_create_file(&rtd->dev, &dev_attr_codec_reg); |
| 1571 | if (ret < 0) |
| 1572 | dev_err(codec->dev, |
| 1573 | "asoc: failed to add codec sysfs files: %d\n", ret); |
| 1574 | |
| 1575 | return 0; |
| 1576 | } |
| 1577 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1578 | static int soc_probe_dai_link(struct snd_soc_card *card, int num) |
| 1579 | { |
| 1580 | struct snd_soc_dai_link *dai_link = &card->dai_link[num]; |
| 1581 | struct snd_soc_pcm_runtime *rtd = &card->rtd[num]; |
| 1582 | struct snd_soc_codec *codec = rtd->codec; |
| 1583 | struct snd_soc_platform *platform = rtd->platform; |
| 1584 | struct snd_soc_dai *codec_dai = rtd->codec_dai, *cpu_dai = rtd->cpu_dai; |
| 1585 | int ret; |
| 1586 | |
| 1587 | dev_dbg(card->dev, "probe %s dai link %d\n", card->name, num); |
| 1588 | |
| 1589 | /* config components */ |
| 1590 | codec_dai->codec = codec; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1591 | cpu_dai->platform = platform; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1592 | codec_dai->card = card; |
| 1593 | cpu_dai->card = card; |
| 1594 | |
| 1595 | /* set default power off timeout */ |
| 1596 | rtd->pmdown_time = pmdown_time; |
| 1597 | |
| 1598 | /* probe the cpu_dai */ |
| 1599 | if (!cpu_dai->probed) { |
| 1600 | if (cpu_dai->driver->probe) { |
| 1601 | ret = cpu_dai->driver->probe(cpu_dai); |
| 1602 | if (ret < 0) { |
| 1603 | printk(KERN_ERR "asoc: failed to probe CPU DAI %s\n", |
| 1604 | cpu_dai->name); |
| 1605 | return ret; |
| 1606 | } |
| 1607 | } |
| 1608 | cpu_dai->probed = 1; |
| 1609 | /* mark cpu_dai as probed and add to card cpu_dai list */ |
| 1610 | list_add(&cpu_dai->card_list, &card->dai_dev_list); |
| 1611 | } |
| 1612 | |
| 1613 | /* probe the CODEC */ |
| 1614 | if (!codec->probed) { |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1615 | ret = soc_probe_codec(card, codec); |
| 1616 | if (ret < 0) |
| 1617 | return ret; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1618 | } |
| 1619 | |
| 1620 | /* probe the platform */ |
| 1621 | if (!platform->probed) { |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1622 | if (!try_module_get(platform->dev->driver->owner)) |
| 1623 | return -ENODEV; |
| 1624 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1625 | if (platform->driver->probe) { |
| 1626 | ret = platform->driver->probe(platform); |
| 1627 | if (ret < 0) { |
| 1628 | printk(KERN_ERR "asoc: failed to probe platform %s\n", |
| 1629 | platform->name); |
Jarkko Nikula | 70d2933 | 2011-01-27 16:24:22 +0200 | [diff] [blame] | 1630 | module_put(platform->dev->driver->owner); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1631 | return ret; |
| 1632 | } |
| 1633 | } |
| 1634 | /* mark platform as probed and add to card platform list */ |
| 1635 | platform->probed = 1; |
| 1636 | list_add(&platform->card_list, &card->platform_dev_list); |
| 1637 | } |
| 1638 | |
| 1639 | /* probe the CODEC DAI */ |
| 1640 | if (!codec_dai->probed) { |
| 1641 | if (codec_dai->driver->probe) { |
| 1642 | ret = codec_dai->driver->probe(codec_dai); |
| 1643 | if (ret < 0) { |
| 1644 | printk(KERN_ERR "asoc: failed to probe CODEC DAI %s\n", |
| 1645 | codec_dai->name); |
| 1646 | return ret; |
Mark Brown | 6b05eda | 2008-12-08 19:26:48 +0000 | [diff] [blame] | 1647 | } |
| 1648 | } |
| 1649 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1650 | /* mark cpu_dai as probed and add to card cpu_dai list */ |
| 1651 | codec_dai->probed = 1; |
| 1652 | list_add(&codec_dai->card_list, &card->dai_dev_list); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1653 | } |
| 1654 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1655 | /* DAPM dai link stream work */ |
| 1656 | INIT_DELAYED_WORK(&rtd->delayed_work, close_delayed_work); |
| 1657 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1658 | ret = soc_post_component_init(card, codec, num, 0); |
| 1659 | if (ret) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1660 | return ret; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1661 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1662 | ret = device_create_file(&rtd->dev, &dev_attr_pmdown_time); |
| 1663 | if (ret < 0) |
| 1664 | printk(KERN_WARNING "asoc: failed to add pmdown_time sysfs\n"); |
| 1665 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1666 | /* create the pcm */ |
| 1667 | ret = soc_new_pcm(rtd, num); |
| 1668 | if (ret < 0) { |
| 1669 | printk(KERN_ERR "asoc: can't create pcm %s\n", dai_link->stream_name); |
| 1670 | return ret; |
| 1671 | } |
| 1672 | |
| 1673 | /* add platform data for AC97 devices */ |
| 1674 | if (rtd->codec_dai->driver->ac97_control) |
| 1675 | snd_ac97_dev_add_pdata(codec->ac97, rtd->cpu_dai->ac97_pdata); |
| 1676 | |
| 1677 | return 0; |
| 1678 | } |
| 1679 | |
| 1680 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 1681 | static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |
| 1682 | { |
| 1683 | int ret; |
| 1684 | |
| 1685 | /* Only instantiate AC97 if not already done by the adaptor |
| 1686 | * for the generic AC97 subsystem. |
| 1687 | */ |
| 1688 | if (rtd->codec_dai->driver->ac97_control && !rtd->codec->ac97_registered) { |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 1689 | /* |
| 1690 | * It is possible that the AC97 device is already registered to |
| 1691 | * the device subsystem. This happens when the device is created |
| 1692 | * via snd_ac97_mixer(). Currently only SoC codec that does so |
| 1693 | * is the generic AC97 glue but others migh emerge. |
| 1694 | * |
| 1695 | * In those cases we don't try to register the device again. |
| 1696 | */ |
| 1697 | if (!rtd->codec->ac97_created) |
| 1698 | return 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1699 | |
| 1700 | ret = soc_ac97_dev_register(rtd->codec); |
| 1701 | if (ret < 0) { |
| 1702 | printk(KERN_ERR "asoc: AC97 device register failed\n"); |
| 1703 | return ret; |
| 1704 | } |
| 1705 | |
| 1706 | rtd->codec->ac97_registered = 1; |
| 1707 | } |
| 1708 | return 0; |
| 1709 | } |
| 1710 | |
| 1711 | static void soc_unregister_ac97_dai_link(struct snd_soc_codec *codec) |
| 1712 | { |
| 1713 | if (codec->ac97_registered) { |
| 1714 | soc_ac97_dev_unregister(codec); |
| 1715 | codec->ac97_registered = 0; |
| 1716 | } |
| 1717 | } |
| 1718 | #endif |
| 1719 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1720 | static int soc_probe_aux_dev(struct snd_soc_card *card, int num) |
| 1721 | { |
| 1722 | struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num]; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1723 | struct snd_soc_codec *codec; |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1724 | int ret = -ENODEV; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1725 | |
| 1726 | /* find CODEC from registered CODECs*/ |
| 1727 | list_for_each_entry(codec, &codec_list, list) { |
| 1728 | if (!strcmp(codec->name, aux_dev->codec_name)) { |
| 1729 | if (codec->probed) { |
| 1730 | dev_err(codec->dev, |
| 1731 | "asoc: codec already probed"); |
| 1732 | ret = -EBUSY; |
| 1733 | goto out; |
| 1734 | } |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1735 | goto found; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1736 | } |
| 1737 | } |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1738 | /* codec not found */ |
| 1739 | dev_err(card->dev, "asoc: codec %s not found", aux_dev->codec_name); |
| 1740 | goto out; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1741 | |
Jarkko Nikula | 676ad98 | 2010-12-03 09:18:22 +0200 | [diff] [blame] | 1742 | found: |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1743 | ret = soc_probe_codec(card, codec); |
| 1744 | if (ret < 0) |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1745 | return ret; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1746 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1747 | ret = soc_post_component_init(card, codec, num, 1); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1748 | |
| 1749 | out: |
| 1750 | return ret; |
| 1751 | } |
| 1752 | |
| 1753 | static void soc_remove_aux_dev(struct snd_soc_card *card, int num) |
| 1754 | { |
| 1755 | struct snd_soc_pcm_runtime *rtd = &card->rtd_aux[num]; |
| 1756 | struct snd_soc_codec *codec = rtd->codec; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1757 | |
| 1758 | /* unregister the rtd device */ |
| 1759 | if (rtd->dev_registered) { |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1760 | device_remove_file(&rtd->dev, &dev_attr_codec_reg); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1761 | device_unregister(&rtd->dev); |
| 1762 | rtd->dev_registered = 0; |
| 1763 | } |
| 1764 | |
Jarkko Nikula | 589c356 | 2010-12-06 16:27:07 +0200 | [diff] [blame] | 1765 | if (codec && codec->probed) |
| 1766 | soc_remove_codec(codec); |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1767 | } |
| 1768 | |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1769 | static int snd_soc_init_codec_cache(struct snd_soc_codec *codec, |
| 1770 | enum snd_soc_compress_type compress_type) |
| 1771 | { |
| 1772 | int ret; |
| 1773 | |
| 1774 | if (codec->cache_init) |
| 1775 | return 0; |
| 1776 | |
| 1777 | /* override the compress_type if necessary */ |
| 1778 | if (compress_type && codec->compress_type != compress_type) |
| 1779 | codec->compress_type = compress_type; |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1780 | ret = snd_soc_cache_init(codec); |
| 1781 | if (ret < 0) { |
| 1782 | dev_err(codec->dev, "Failed to set cache compression type: %d\n", |
| 1783 | ret); |
| 1784 | return ret; |
| 1785 | } |
| 1786 | codec->cache_init = 1; |
| 1787 | return 0; |
| 1788 | } |
| 1789 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1790 | static void snd_soc_instantiate_card(struct snd_soc_card *card) |
| 1791 | { |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1792 | struct snd_soc_codec *codec; |
| 1793 | struct snd_soc_codec_conf *codec_conf; |
| 1794 | enum snd_soc_compress_type compress_type; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1795 | int ret, i; |
| 1796 | |
| 1797 | mutex_lock(&card->mutex); |
| 1798 | |
| 1799 | if (card->instantiated) { |
| 1800 | mutex_unlock(&card->mutex); |
| 1801 | return; |
| 1802 | } |
| 1803 | |
| 1804 | /* bind DAIs */ |
| 1805 | for (i = 0; i < card->num_links; i++) |
| 1806 | soc_bind_dai_link(card, i); |
| 1807 | |
| 1808 | /* bind completed ? */ |
| 1809 | if (card->num_rtd != card->num_links) { |
| 1810 | mutex_unlock(&card->mutex); |
| 1811 | return; |
| 1812 | } |
| 1813 | |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1814 | /* initialize the register cache for each available codec */ |
| 1815 | list_for_each_entry(codec, &codec_list, list) { |
| 1816 | if (codec->cache_init) |
| 1817 | continue; |
Dimitris Papastamos | 861f2fa | 2011-01-11 11:43:51 +0000 | [diff] [blame] | 1818 | /* by default we don't override the compress_type */ |
| 1819 | compress_type = 0; |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1820 | /* check to see if we need to override the compress_type */ |
| 1821 | for (i = 0; i < card->num_configs; ++i) { |
| 1822 | codec_conf = &card->codec_conf[i]; |
| 1823 | if (!strcmp(codec->name, codec_conf->dev_name)) { |
| 1824 | compress_type = codec_conf->compress_type; |
| 1825 | if (compress_type && compress_type |
| 1826 | != codec->compress_type) |
| 1827 | break; |
| 1828 | } |
| 1829 | } |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 1830 | ret = snd_soc_init_codec_cache(codec, compress_type); |
| 1831 | if (ret < 0) { |
| 1832 | mutex_unlock(&card->mutex); |
| 1833 | return; |
| 1834 | } |
| 1835 | } |
| 1836 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1837 | /* card bind complete so register a sound card */ |
| 1838 | ret = snd_card_create(SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, |
| 1839 | card->owner, 0, &card->snd_card); |
| 1840 | if (ret < 0) { |
| 1841 | printk(KERN_ERR "asoc: can't create sound card for card %s\n", |
| 1842 | card->name); |
| 1843 | mutex_unlock(&card->mutex); |
| 1844 | return; |
| 1845 | } |
| 1846 | card->snd_card->dev = card->dev; |
| 1847 | |
Mark Brown | e37a497 | 2011-03-02 18:21:57 +0000 | [diff] [blame] | 1848 | card->dapm.bias_level = SND_SOC_BIAS_OFF; |
| 1849 | card->dapm.dev = card->dev; |
| 1850 | card->dapm.card = card; |
| 1851 | list_add(&card->dapm.list, &card->dapm_list); |
| 1852 | |
Mark Brown | 88ee1c6 | 2011-02-02 10:43:26 +0000 | [diff] [blame] | 1853 | #ifdef CONFIG_PM_SLEEP |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1854 | /* deferred resume work */ |
Mark Brown | 6308419 | 2008-12-02 15:08:03 +0000 | [diff] [blame] | 1855 | INIT_WORK(&card->deferred_resume_work, soc_resume_deferred); |
Randy Dunlap | 1301a96 | 2008-06-17 19:19:34 +0100 | [diff] [blame] | 1856 | #endif |
Andy Green | 6ed2597 | 2008-06-13 16:24:05 +0100 | [diff] [blame] | 1857 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1858 | /* initialise the sound card only once */ |
| 1859 | if (card->probe) { |
Mark Brown | e7361ec | 2011-01-26 14:17:20 +0000 | [diff] [blame] | 1860 | ret = card->probe(card); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1861 | if (ret < 0) |
| 1862 | goto card_probe_error; |
| 1863 | } |
| 1864 | |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1865 | for (i = 0; i < card->num_links; i++) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1866 | ret = soc_probe_dai_link(card, i); |
| 1867 | if (ret < 0) { |
Mark Brown | 321de0d | 2010-09-21 15:09:37 +0100 | [diff] [blame] | 1868 | pr_err("asoc: failed to instantiate card %s: %d\n", |
| 1869 | card->name, ret); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1870 | goto probe_dai_err; |
| 1871 | } |
| 1872 | } |
| 1873 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1874 | for (i = 0; i < card->num_aux_devs; i++) { |
| 1875 | ret = soc_probe_aux_dev(card, i); |
| 1876 | if (ret < 0) { |
| 1877 | pr_err("asoc: failed to add auxiliary devices %s: %d\n", |
| 1878 | card->name, ret); |
| 1879 | goto probe_aux_dev_err; |
| 1880 | } |
| 1881 | } |
| 1882 | |
Mark Brown | b8ad29d | 2011-03-02 18:35:51 +0000 | [diff] [blame] | 1883 | if (card->dapm_widgets) |
| 1884 | snd_soc_dapm_new_controls(&card->dapm, card->dapm_widgets, |
| 1885 | card->num_dapm_widgets); |
| 1886 | if (card->dapm_routes) |
| 1887 | snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes, |
| 1888 | card->num_dapm_routes); |
| 1889 | |
Mark Brown | a2721fd | 2011-03-07 11:09:25 +0000 | [diff] [blame] | 1890 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | e37a497 | 2011-03-02 18:21:57 +0000 | [diff] [blame] | 1891 | card->dapm.debugfs_dapm = debugfs_create_dir("dapm", |
| 1892 | card->debugfs_card_root); |
| 1893 | if (!card->dapm.debugfs_dapm) |
| 1894 | printk(KERN_WARNING |
| 1895 | "Failed to create card DAPM debugfs directory\n"); |
| 1896 | |
| 1897 | snd_soc_dapm_debugfs_init(&card->dapm); |
Mark Brown | a2721fd | 2011-03-07 11:09:25 +0000 | [diff] [blame] | 1898 | #endif |
Mark Brown | e37a497 | 2011-03-02 18:21:57 +0000 | [diff] [blame] | 1899 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1900 | snprintf(card->snd_card->shortname, sizeof(card->snd_card->shortname), |
| 1901 | "%s", card->name); |
| 1902 | snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), |
| 1903 | "%s", card->name); |
| 1904 | |
Mark Brown | 28e9ad9 | 2011-03-02 18:36:34 +0000 | [diff] [blame] | 1905 | if (card->late_probe) { |
| 1906 | ret = card->late_probe(card); |
| 1907 | if (ret < 0) { |
| 1908 | dev_err(card->dev, "%s late_probe() failed: %d\n", |
| 1909 | card->name, ret); |
| 1910 | goto probe_aux_dev_err; |
| 1911 | } |
| 1912 | } |
| 1913 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1914 | ret = snd_card_register(card->snd_card); |
| 1915 | if (ret < 0) { |
| 1916 | printk(KERN_ERR "asoc: failed to register soundcard for %s\n", card->name); |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1917 | goto probe_aux_dev_err; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1918 | } |
| 1919 | |
| 1920 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 1921 | /* register any AC97 codecs */ |
| 1922 | for (i = 0; i < card->num_rtd; i++) { |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1923 | ret = soc_register_ac97_dai_link(&card->rtd[i]); |
| 1924 | if (ret < 0) { |
| 1925 | printk(KERN_ERR "asoc: failed to register AC97 %s\n", card->name); |
| 1926 | while (--i >= 0) |
Mark Brown | 7d8316d | 2010-12-13 17:03:27 +0000 | [diff] [blame] | 1927 | soc_unregister_ac97_dai_link(card->rtd[i].codec); |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1928 | goto probe_aux_dev_err; |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1929 | } |
Axel Lin | 6b3ed78 | 2010-12-07 16:12:29 +0800 | [diff] [blame] | 1930 | } |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1931 | #endif |
| 1932 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1933 | card->instantiated = 1; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1934 | mutex_unlock(&card->mutex); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1935 | return; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1936 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 1937 | probe_aux_dev_err: |
| 1938 | for (i = 0; i < card->num_aux_devs; i++) |
| 1939 | soc_remove_aux_dev(card, i); |
| 1940 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1941 | probe_dai_err: |
| 1942 | for (i = 0; i < card->num_links; i++) |
| 1943 | soc_remove_dai_link(card, i); |
Mark Brown | fe3e78e | 2009-11-03 22:13:13 +0000 | [diff] [blame] | 1944 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1945 | card_probe_error: |
Mark Brown | 8750654 | 2008-11-18 20:50:34 +0000 | [diff] [blame] | 1946 | if (card->remove) |
Mark Brown | e7361ec | 2011-01-26 14:17:20 +0000 | [diff] [blame] | 1947 | card->remove(card); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1948 | |
| 1949 | snd_card_free(card->snd_card); |
| 1950 | |
| 1951 | mutex_unlock(&card->mutex); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1952 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1953 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1954 | /* |
Uwe Kleine-König | 421f91d | 2010-06-11 12:17:00 +0200 | [diff] [blame] | 1955 | * Attempt to initialise any uninitialised cards. Must be called with |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1956 | * client_mutex. |
| 1957 | */ |
| 1958 | static void snd_soc_instantiate_cards(void) |
| 1959 | { |
| 1960 | struct snd_soc_card *card; |
| 1961 | list_for_each_entry(card, &card_list, list) |
| 1962 | snd_soc_instantiate_card(card); |
| 1963 | } |
| 1964 | |
| 1965 | /* probes a new socdev */ |
| 1966 | static int soc_probe(struct platform_device *pdev) |
| 1967 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1968 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1969 | int ret = 0; |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1970 | |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 1971 | /* |
| 1972 | * no card, so machine driver should be registering card |
| 1973 | * we should not be here in that case so ret error |
| 1974 | */ |
| 1975 | if (!card) |
| 1976 | return -EINVAL; |
| 1977 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1978 | /* Bodge while we unpick instantiation */ |
| 1979 | card->dev = &pdev->dev; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 1980 | |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 1981 | ret = snd_soc_register_card(card); |
| 1982 | if (ret != 0) { |
| 1983 | dev_err(&pdev->dev, "Failed to register card\n"); |
| 1984 | return ret; |
| 1985 | } |
| 1986 | |
| 1987 | return 0; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 1988 | } |
| 1989 | |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 1990 | static int soc_cleanup_card_resources(struct snd_soc_card *card) |
| 1991 | { |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 1992 | int i; |
| 1993 | |
| 1994 | /* make sure any delayed work runs */ |
| 1995 | for (i = 0; i < card->num_rtd; i++) { |
| 1996 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
| 1997 | flush_delayed_work_sync(&rtd->delayed_work); |
| 1998 | } |
| 1999 | |
| 2000 | /* remove auxiliary devices */ |
| 2001 | for (i = 0; i < card->num_aux_devs; i++) |
| 2002 | soc_remove_aux_dev(card, i); |
| 2003 | |
| 2004 | /* remove and free each DAI */ |
| 2005 | for (i = 0; i < card->num_rtd; i++) |
| 2006 | soc_remove_dai_link(card, i); |
| 2007 | |
| 2008 | soc_cleanup_card_debugfs(card); |
| 2009 | |
| 2010 | /* remove the card */ |
| 2011 | if (card->remove) |
Mark Brown | e7361ec | 2011-01-26 14:17:20 +0000 | [diff] [blame] | 2012 | card->remove(card); |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 2013 | |
| 2014 | kfree(card->rtd); |
| 2015 | snd_card_free(card->snd_card); |
| 2016 | return 0; |
| 2017 | |
| 2018 | } |
| 2019 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2020 | /* removes a socdev */ |
| 2021 | static int soc_remove(struct platform_device *pdev) |
| 2022 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2023 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2024 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 2025 | snd_soc_unregister_card(card); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2026 | return 0; |
| 2027 | } |
| 2028 | |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2029 | int snd_soc_poweroff(struct device *dev) |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2030 | { |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2031 | struct snd_soc_card *card = dev_get_drvdata(dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2032 | int i; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2033 | |
| 2034 | if (!card->instantiated) |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2035 | return 0; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2036 | |
| 2037 | /* Flush out pmdown_time work - we actually do want to run it |
| 2038 | * now, we're shutting down so no imminent restart. */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2039 | for (i = 0; i < card->num_rtd; i++) { |
| 2040 | struct snd_soc_pcm_runtime *rtd = &card->rtd[i]; |
Tejun Heo | 5b84ba2 | 2010-12-11 17:51:26 +0100 | [diff] [blame] | 2041 | flush_delayed_work_sync(&rtd->delayed_work); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2042 | } |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2043 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2044 | snd_soc_dapm_shutdown(card); |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2045 | |
| 2046 | return 0; |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2047 | } |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2048 | EXPORT_SYMBOL_GPL(snd_soc_poweroff); |
Mark Brown | 5173747 | 2009-06-22 13:16:51 +0100 | [diff] [blame] | 2049 | |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2050 | const struct dev_pm_ops snd_soc_pm_ops = { |
| 2051 | .suspend = snd_soc_suspend, |
| 2052 | .resume = snd_soc_resume, |
| 2053 | .poweroff = snd_soc_poweroff, |
Mark Brown | 416356f | 2009-06-30 19:05:15 +0100 | [diff] [blame] | 2054 | }; |
| 2055 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2056 | /* ASoC platform driver */ |
| 2057 | static struct platform_driver soc_driver = { |
| 2058 | .driver = { |
| 2059 | .name = "soc-audio", |
Kay Sievers | 8b45a20 | 2008-04-14 13:33:36 +0200 | [diff] [blame] | 2060 | .owner = THIS_MODULE, |
Mark Brown | 6f8ab4a | 2011-01-26 14:59:27 +0000 | [diff] [blame] | 2061 | .pm = &snd_soc_pm_ops, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2062 | }, |
| 2063 | .probe = soc_probe, |
| 2064 | .remove = soc_remove, |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2065 | }; |
| 2066 | |
| 2067 | /* create a new pcm */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2068 | static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2069 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2070 | struct snd_soc_codec *codec = rtd->codec; |
| 2071 | struct snd_soc_platform *platform = rtd->platform; |
| 2072 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
| 2073 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2074 | struct snd_pcm *pcm; |
| 2075 | char new_name[64]; |
| 2076 | int ret = 0, playback = 0, capture = 0; |
| 2077 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2078 | /* check client and interface hw capabilities */ |
Mark Brown | 40ca114 | 2009-12-24 13:44:28 +0000 | [diff] [blame] | 2079 | snprintf(new_name, sizeof(new_name), "%s %s-%d", |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2080 | rtd->dai_link->stream_name, codec_dai->name, num); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2081 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2082 | if (codec_dai->driver->playback.channels_min) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2083 | playback = 1; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2084 | if (codec_dai->driver->capture.channels_min) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2085 | capture = 1; |
| 2086 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2087 | dev_dbg(rtd->card->dev, "registered pcm #%d %s\n",num,new_name); |
| 2088 | ret = snd_pcm_new(rtd->card->snd_card, new_name, |
| 2089 | num, playback, capture, &pcm); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2090 | if (ret < 0) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2091 | printk(KERN_ERR "asoc: can't create pcm for codec %s\n", codec->name); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2092 | return ret; |
| 2093 | } |
| 2094 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2095 | rtd->pcm = pcm; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2096 | pcm->private_data = rtd; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2097 | soc_pcm_ops.mmap = platform->driver->ops->mmap; |
| 2098 | soc_pcm_ops.pointer = platform->driver->ops->pointer; |
| 2099 | soc_pcm_ops.ioctl = platform->driver->ops->ioctl; |
| 2100 | soc_pcm_ops.copy = platform->driver->ops->copy; |
| 2101 | soc_pcm_ops.silence = platform->driver->ops->silence; |
| 2102 | soc_pcm_ops.ack = platform->driver->ops->ack; |
| 2103 | soc_pcm_ops.page = platform->driver->ops->page; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2104 | |
| 2105 | if (playback) |
| 2106 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &soc_pcm_ops); |
| 2107 | |
| 2108 | if (capture) |
| 2109 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &soc_pcm_ops); |
| 2110 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2111 | ret = platform->driver->pcm_new(rtd->card->snd_card, codec_dai, pcm); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2112 | if (ret < 0) { |
| 2113 | printk(KERN_ERR "asoc: platform pcm constructor failed\n"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2114 | return ret; |
| 2115 | } |
| 2116 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2117 | pcm->private_free = platform->driver->pcm_free; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2118 | printk(KERN_INFO "asoc: %s <-> %s mapping ok\n", codec_dai->name, |
| 2119 | cpu_dai->name); |
| 2120 | return ret; |
| 2121 | } |
| 2122 | |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 2123 | /** |
| 2124 | * snd_soc_codec_volatile_register: Report if a register is volatile. |
| 2125 | * |
| 2126 | * @codec: CODEC to query. |
| 2127 | * @reg: Register to query. |
| 2128 | * |
| 2129 | * Boolean function indiciating if a CODEC register is volatile. |
| 2130 | */ |
Mark Brown | 181e055 | 2011-01-24 14:05:25 +0000 | [diff] [blame] | 2131 | int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, |
| 2132 | unsigned int reg) |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 2133 | { |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 2134 | if (codec->volatile_register) |
| 2135 | return codec->volatile_register(codec, reg); |
Mark Brown | 096e49d | 2009-07-05 15:12:22 +0100 | [diff] [blame] | 2136 | else |
| 2137 | return 0; |
| 2138 | } |
| 2139 | EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); |
| 2140 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2141 | /** |
| 2142 | * snd_soc_new_ac97_codec - initailise AC97 device |
| 2143 | * @codec: audio codec |
| 2144 | * @ops: AC97 bus operations |
| 2145 | * @num: AC97 codec number |
| 2146 | * |
| 2147 | * Initialises AC97 codec resources for use by ad-hoc devices only. |
| 2148 | */ |
| 2149 | int snd_soc_new_ac97_codec(struct snd_soc_codec *codec, |
| 2150 | struct snd_ac97_bus_ops *ops, int num) |
| 2151 | { |
| 2152 | mutex_lock(&codec->mutex); |
| 2153 | |
| 2154 | codec->ac97 = kzalloc(sizeof(struct snd_ac97), GFP_KERNEL); |
| 2155 | if (codec->ac97 == NULL) { |
| 2156 | mutex_unlock(&codec->mutex); |
| 2157 | return -ENOMEM; |
| 2158 | } |
| 2159 | |
| 2160 | codec->ac97->bus = kzalloc(sizeof(struct snd_ac97_bus), GFP_KERNEL); |
| 2161 | if (codec->ac97->bus == NULL) { |
| 2162 | kfree(codec->ac97); |
| 2163 | codec->ac97 = NULL; |
| 2164 | mutex_unlock(&codec->mutex); |
| 2165 | return -ENOMEM; |
| 2166 | } |
| 2167 | |
| 2168 | codec->ac97->bus->ops = ops; |
| 2169 | codec->ac97->num = num; |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 2170 | |
| 2171 | /* |
| 2172 | * Mark the AC97 device to be created by us. This way we ensure that the |
| 2173 | * device will be registered with the device subsystem later on. |
| 2174 | */ |
| 2175 | codec->ac97_created = 1; |
| 2176 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2177 | mutex_unlock(&codec->mutex); |
| 2178 | return 0; |
| 2179 | } |
| 2180 | EXPORT_SYMBOL_GPL(snd_soc_new_ac97_codec); |
| 2181 | |
| 2182 | /** |
| 2183 | * snd_soc_free_ac97_codec - free AC97 codec device |
| 2184 | * @codec: audio codec |
| 2185 | * |
| 2186 | * Frees AC97 codec device resources. |
| 2187 | */ |
| 2188 | void snd_soc_free_ac97_codec(struct snd_soc_codec *codec) |
| 2189 | { |
| 2190 | mutex_lock(&codec->mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2191 | #ifdef CONFIG_SND_SOC_AC97_BUS |
| 2192 | soc_unregister_ac97_dai_link(codec); |
| 2193 | #endif |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2194 | kfree(codec->ac97->bus); |
| 2195 | kfree(codec->ac97); |
| 2196 | codec->ac97 = NULL; |
Mika Westerberg | 0562f78 | 2010-10-13 11:30:32 +0300 | [diff] [blame] | 2197 | codec->ac97_created = 0; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2198 | mutex_unlock(&codec->mutex); |
| 2199 | } |
| 2200 | EXPORT_SYMBOL_GPL(snd_soc_free_ac97_codec); |
| 2201 | |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2202 | unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg) |
| 2203 | { |
| 2204 | unsigned int ret; |
| 2205 | |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 2206 | ret = codec->read(codec, reg); |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2207 | dev_dbg(codec->dev, "read %x => %x\n", reg, ret); |
Mark Brown | a8b1d34 | 2010-11-03 18:05:58 -0400 | [diff] [blame] | 2208 | trace_snd_soc_reg_read(codec, reg, ret); |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2209 | |
| 2210 | return ret; |
| 2211 | } |
| 2212 | EXPORT_SYMBOL_GPL(snd_soc_read); |
| 2213 | |
| 2214 | unsigned int snd_soc_write(struct snd_soc_codec *codec, |
| 2215 | unsigned int reg, unsigned int val) |
| 2216 | { |
| 2217 | dev_dbg(codec->dev, "write %x = %x\n", reg, val); |
Mark Brown | a8b1d34 | 2010-11-03 18:05:58 -0400 | [diff] [blame] | 2218 | trace_snd_soc_reg_write(codec, reg, val); |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 2219 | return codec->write(codec, reg, val); |
Mark Brown | c375370 | 2010-11-01 15:41:57 -0400 | [diff] [blame] | 2220 | } |
| 2221 | EXPORT_SYMBOL_GPL(snd_soc_write); |
| 2222 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2223 | /** |
| 2224 | * snd_soc_update_bits - update codec register bits |
| 2225 | * @codec: audio codec |
| 2226 | * @reg: codec register |
| 2227 | * @mask: register mask |
| 2228 | * @value: new value |
| 2229 | * |
| 2230 | * Writes new register value. |
| 2231 | * |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2232 | * Returns 1 for change, 0 for no change, or negative error code. |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2233 | */ |
| 2234 | int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2235 | unsigned int mask, unsigned int value) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2236 | { |
| 2237 | int change; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2238 | unsigned int old, new; |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2239 | int ret; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2240 | |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2241 | ret = snd_soc_read(codec, reg); |
| 2242 | if (ret < 0) |
| 2243 | return ret; |
| 2244 | |
| 2245 | old = ret; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2246 | new = (old & ~mask) | value; |
| 2247 | change = old != new; |
Timur Tabi | 180c329 | 2011-01-10 15:58:13 -0600 | [diff] [blame] | 2248 | if (change) { |
| 2249 | ret = snd_soc_write(codec, reg, new); |
| 2250 | if (ret < 0) |
| 2251 | return ret; |
| 2252 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2253 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2254 | return change; |
| 2255 | } |
| 2256 | EXPORT_SYMBOL_GPL(snd_soc_update_bits); |
| 2257 | |
| 2258 | /** |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2259 | * snd_soc_update_bits_locked - update codec register bits |
| 2260 | * @codec: audio codec |
| 2261 | * @reg: codec register |
| 2262 | * @mask: register mask |
| 2263 | * @value: new value |
| 2264 | * |
| 2265 | * Writes new register value, and takes the codec mutex. |
| 2266 | * |
| 2267 | * Returns 1 for change else 0. |
| 2268 | */ |
Mark Brown | dd1b3d5 | 2009-12-04 14:22:03 +0000 | [diff] [blame] | 2269 | int snd_soc_update_bits_locked(struct snd_soc_codec *codec, |
| 2270 | unsigned short reg, unsigned int mask, |
| 2271 | unsigned int value) |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2272 | { |
| 2273 | int change; |
| 2274 | |
| 2275 | mutex_lock(&codec->mutex); |
| 2276 | change = snd_soc_update_bits(codec, reg, mask, value); |
| 2277 | mutex_unlock(&codec->mutex); |
| 2278 | |
| 2279 | return change; |
| 2280 | } |
Mark Brown | dd1b3d5 | 2009-12-04 14:22:03 +0000 | [diff] [blame] | 2281 | EXPORT_SYMBOL_GPL(snd_soc_update_bits_locked); |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2282 | |
| 2283 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2284 | * snd_soc_test_bits - test register for change |
| 2285 | * @codec: audio codec |
| 2286 | * @reg: codec register |
| 2287 | * @mask: register mask |
| 2288 | * @value: new value |
| 2289 | * |
| 2290 | * Tests a register with a new value and checks if the new value is |
| 2291 | * different from the old value. |
| 2292 | * |
| 2293 | * Returns 1 for change else 0. |
| 2294 | */ |
| 2295 | int snd_soc_test_bits(struct snd_soc_codec *codec, unsigned short reg, |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2296 | unsigned int mask, unsigned int value) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2297 | { |
| 2298 | int change; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2299 | unsigned int old, new; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2300 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2301 | old = snd_soc_read(codec, reg); |
| 2302 | new = (old & ~mask) | value; |
| 2303 | change = old != new; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2304 | |
| 2305 | return change; |
| 2306 | } |
| 2307 | EXPORT_SYMBOL_GPL(snd_soc_test_bits); |
| 2308 | |
| 2309 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2310 | * snd_soc_set_runtime_hwparams - set the runtime hardware parameters |
| 2311 | * @substream: the pcm substream |
| 2312 | * @hw: the hardware parameters |
| 2313 | * |
| 2314 | * Sets the substream runtime hardware parameters. |
| 2315 | */ |
| 2316 | int snd_soc_set_runtime_hwparams(struct snd_pcm_substream *substream, |
| 2317 | const struct snd_pcm_hardware *hw) |
| 2318 | { |
| 2319 | struct snd_pcm_runtime *runtime = substream->runtime; |
| 2320 | runtime->hw.info = hw->info; |
| 2321 | runtime->hw.formats = hw->formats; |
| 2322 | runtime->hw.period_bytes_min = hw->period_bytes_min; |
| 2323 | runtime->hw.period_bytes_max = hw->period_bytes_max; |
| 2324 | runtime->hw.periods_min = hw->periods_min; |
| 2325 | runtime->hw.periods_max = hw->periods_max; |
| 2326 | runtime->hw.buffer_bytes_max = hw->buffer_bytes_max; |
| 2327 | runtime->hw.fifo_size = hw->fifo_size; |
| 2328 | return 0; |
| 2329 | } |
| 2330 | EXPORT_SYMBOL_GPL(snd_soc_set_runtime_hwparams); |
| 2331 | |
| 2332 | /** |
| 2333 | * snd_soc_cnew - create new control |
| 2334 | * @_template: control template |
| 2335 | * @data: control private data |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2336 | * @long_name: control long name |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2337 | * |
| 2338 | * Create a new mixer control from a template control. |
| 2339 | * |
| 2340 | * Returns 0 for success, else error. |
| 2341 | */ |
| 2342 | struct snd_kcontrol *snd_soc_cnew(const struct snd_kcontrol_new *_template, |
| 2343 | void *data, char *long_name) |
| 2344 | { |
| 2345 | struct snd_kcontrol_new template; |
| 2346 | |
| 2347 | memcpy(&template, _template, sizeof(template)); |
| 2348 | if (long_name) |
| 2349 | template.name = long_name; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2350 | template.index = 0; |
| 2351 | |
| 2352 | return snd_ctl_new1(&template, data); |
| 2353 | } |
| 2354 | EXPORT_SYMBOL_GPL(snd_soc_cnew); |
| 2355 | |
| 2356 | /** |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2357 | * snd_soc_add_controls - add an array of controls to a codec. |
| 2358 | * Convienience function to add a list of controls. Many codecs were |
| 2359 | * duplicating this code. |
| 2360 | * |
| 2361 | * @codec: codec to add controls to |
| 2362 | * @controls: array of controls to add |
| 2363 | * @num_controls: number of elements in the array |
| 2364 | * |
| 2365 | * Return 0 for success, else error. |
| 2366 | */ |
| 2367 | int snd_soc_add_controls(struct snd_soc_codec *codec, |
| 2368 | const struct snd_kcontrol_new *controls, int num_controls) |
| 2369 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2370 | struct snd_card *card = codec->card->snd_card; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 2371 | char prefixed_name[44], *name; |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2372 | int err, i; |
| 2373 | |
| 2374 | for (i = 0; i < num_controls; i++) { |
| 2375 | const struct snd_kcontrol_new *control = &controls[i]; |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 2376 | if (codec->name_prefix) { |
| 2377 | snprintf(prefixed_name, sizeof(prefixed_name), "%s %s", |
| 2378 | codec->name_prefix, control->name); |
| 2379 | name = prefixed_name; |
| 2380 | } else { |
| 2381 | name = control->name; |
| 2382 | } |
| 2383 | err = snd_ctl_add(card, snd_soc_cnew(control, codec, name)); |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2384 | if (err < 0) { |
Mark Brown | 082100d | 2010-09-20 19:03:28 +0100 | [diff] [blame] | 2385 | dev_err(codec->dev, "%s: Failed to add %s: %d\n", |
Jarkko Nikula | ead9b91 | 2010-11-13 20:40:44 +0200 | [diff] [blame] | 2386 | codec->name, name, err); |
Ian Molton | 3e8e195 | 2009-01-09 00:23:21 +0000 | [diff] [blame] | 2387 | return err; |
| 2388 | } |
| 2389 | } |
| 2390 | |
| 2391 | return 0; |
| 2392 | } |
| 2393 | EXPORT_SYMBOL_GPL(snd_soc_add_controls); |
| 2394 | |
| 2395 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2396 | * snd_soc_info_enum_double - enumerated double mixer info callback |
| 2397 | * @kcontrol: mixer control |
| 2398 | * @uinfo: control element information |
| 2399 | * |
| 2400 | * Callback to provide information about a double enumerated |
| 2401 | * mixer control. |
| 2402 | * |
| 2403 | * Returns 0 for success. |
| 2404 | */ |
| 2405 | int snd_soc_info_enum_double(struct snd_kcontrol *kcontrol, |
| 2406 | struct snd_ctl_elem_info *uinfo) |
| 2407 | { |
| 2408 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| 2409 | |
| 2410 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 2411 | uinfo->count = e->shift_l == e->shift_r ? 1 : 2; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2412 | uinfo->value.enumerated.items = e->max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2413 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2414 | if (uinfo->value.enumerated.item > e->max - 1) |
| 2415 | uinfo->value.enumerated.item = e->max - 1; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2416 | strcpy(uinfo->value.enumerated.name, |
| 2417 | e->texts[uinfo->value.enumerated.item]); |
| 2418 | return 0; |
| 2419 | } |
| 2420 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_double); |
| 2421 | |
| 2422 | /** |
| 2423 | * snd_soc_get_enum_double - enumerated double mixer get callback |
| 2424 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2425 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2426 | * |
| 2427 | * Callback to get the value of a double enumerated mixer. |
| 2428 | * |
| 2429 | * Returns 0 for success. |
| 2430 | */ |
| 2431 | int snd_soc_get_enum_double(struct snd_kcontrol *kcontrol, |
| 2432 | struct snd_ctl_elem_value *ucontrol) |
| 2433 | { |
| 2434 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 2435 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2436 | unsigned int val, bitmask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2437 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2438 | for (bitmask = 1; bitmask < e->max; bitmask <<= 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2439 | ; |
| 2440 | val = snd_soc_read(codec, e->reg); |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 2441 | ucontrol->value.enumerated.item[0] |
| 2442 | = (val >> e->shift_l) & (bitmask - 1); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2443 | if (e->shift_l != e->shift_r) |
| 2444 | ucontrol->value.enumerated.item[1] = |
| 2445 | (val >> e->shift_r) & (bitmask - 1); |
| 2446 | |
| 2447 | return 0; |
| 2448 | } |
| 2449 | EXPORT_SYMBOL_GPL(snd_soc_get_enum_double); |
| 2450 | |
| 2451 | /** |
| 2452 | * snd_soc_put_enum_double - enumerated double mixer put callback |
| 2453 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2454 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2455 | * |
| 2456 | * Callback to set the value of a double enumerated mixer. |
| 2457 | * |
| 2458 | * Returns 0 for success. |
| 2459 | */ |
| 2460 | int snd_soc_put_enum_double(struct snd_kcontrol *kcontrol, |
| 2461 | struct snd_ctl_elem_value *ucontrol) |
| 2462 | { |
| 2463 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 2464 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2465 | unsigned int val; |
| 2466 | unsigned int mask, bitmask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2467 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2468 | for (bitmask = 1; bitmask < e->max; bitmask <<= 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2469 | ; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2470 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2471 | return -EINVAL; |
| 2472 | val = ucontrol->value.enumerated.item[0] << e->shift_l; |
| 2473 | mask = (bitmask - 1) << e->shift_l; |
| 2474 | if (e->shift_l != e->shift_r) { |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2475 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2476 | return -EINVAL; |
| 2477 | val |= ucontrol->value.enumerated.item[1] << e->shift_r; |
| 2478 | mask |= (bitmask - 1) << e->shift_r; |
| 2479 | } |
| 2480 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2481 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2482 | } |
| 2483 | EXPORT_SYMBOL_GPL(snd_soc_put_enum_double); |
| 2484 | |
| 2485 | /** |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2486 | * snd_soc_get_value_enum_double - semi enumerated double mixer get callback |
| 2487 | * @kcontrol: mixer control |
| 2488 | * @ucontrol: control element information |
| 2489 | * |
| 2490 | * Callback to get the value of a double semi enumerated mixer. |
| 2491 | * |
| 2492 | * Semi enumerated mixer: the enumerated items are referred as values. Can be |
| 2493 | * used for handling bitfield coded enumeration for example. |
| 2494 | * |
| 2495 | * Returns 0 for success. |
| 2496 | */ |
| 2497 | int snd_soc_get_value_enum_double(struct snd_kcontrol *kcontrol, |
| 2498 | struct snd_ctl_elem_value *ucontrol) |
| 2499 | { |
| 2500 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Peter Ujfalusi | 7415555 | 2009-01-08 13:34:29 +0200 | [diff] [blame] | 2501 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2502 | unsigned int reg_val, val, mux; |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2503 | |
| 2504 | reg_val = snd_soc_read(codec, e->reg); |
| 2505 | val = (reg_val >> e->shift_l) & e->mask; |
| 2506 | for (mux = 0; mux < e->max; mux++) { |
| 2507 | if (val == e->values[mux]) |
| 2508 | break; |
| 2509 | } |
| 2510 | ucontrol->value.enumerated.item[0] = mux; |
| 2511 | if (e->shift_l != e->shift_r) { |
| 2512 | val = (reg_val >> e->shift_r) & e->mask; |
| 2513 | for (mux = 0; mux < e->max; mux++) { |
| 2514 | if (val == e->values[mux]) |
| 2515 | break; |
| 2516 | } |
| 2517 | ucontrol->value.enumerated.item[1] = mux; |
| 2518 | } |
| 2519 | |
| 2520 | return 0; |
| 2521 | } |
| 2522 | EXPORT_SYMBOL_GPL(snd_soc_get_value_enum_double); |
| 2523 | |
| 2524 | /** |
| 2525 | * snd_soc_put_value_enum_double - semi enumerated double mixer put callback |
| 2526 | * @kcontrol: mixer control |
| 2527 | * @ucontrol: control element information |
| 2528 | * |
| 2529 | * Callback to set the value of a double semi enumerated mixer. |
| 2530 | * |
| 2531 | * Semi enumerated mixer: the enumerated items are referred as values. Can be |
| 2532 | * used for handling bitfield coded enumeration for example. |
| 2533 | * |
| 2534 | * Returns 0 for success. |
| 2535 | */ |
| 2536 | int snd_soc_put_value_enum_double(struct snd_kcontrol *kcontrol, |
| 2537 | struct snd_ctl_elem_value *ucontrol) |
| 2538 | { |
| 2539 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Peter Ujfalusi | 7415555 | 2009-01-08 13:34:29 +0200 | [diff] [blame] | 2540 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2541 | unsigned int val; |
| 2542 | unsigned int mask; |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2543 | |
| 2544 | if (ucontrol->value.enumerated.item[0] > e->max - 1) |
| 2545 | return -EINVAL; |
| 2546 | val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l; |
| 2547 | mask = e->mask << e->shift_l; |
| 2548 | if (e->shift_l != e->shift_r) { |
| 2549 | if (ucontrol->value.enumerated.item[1] > e->max - 1) |
| 2550 | return -EINVAL; |
| 2551 | val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r; |
| 2552 | mask |= e->mask << e->shift_r; |
| 2553 | } |
| 2554 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2555 | return snd_soc_update_bits_locked(codec, e->reg, mask, val); |
Peter Ujfalusi | 2e72f8e | 2009-01-05 09:54:57 +0200 | [diff] [blame] | 2556 | } |
| 2557 | EXPORT_SYMBOL_GPL(snd_soc_put_value_enum_double); |
| 2558 | |
| 2559 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2560 | * snd_soc_info_enum_ext - external enumerated single mixer info callback |
| 2561 | * @kcontrol: mixer control |
| 2562 | * @uinfo: control element information |
| 2563 | * |
| 2564 | * Callback to provide information about an external enumerated |
| 2565 | * single mixer. |
| 2566 | * |
| 2567 | * Returns 0 for success. |
| 2568 | */ |
| 2569 | int snd_soc_info_enum_ext(struct snd_kcontrol *kcontrol, |
| 2570 | struct snd_ctl_elem_info *uinfo) |
| 2571 | { |
| 2572 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
| 2573 | |
| 2574 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; |
| 2575 | uinfo->count = 1; |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2576 | uinfo->value.enumerated.items = e->max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2577 | |
Jon Smirl | f8ba0b7 | 2008-07-29 11:42:27 +0100 | [diff] [blame] | 2578 | if (uinfo->value.enumerated.item > e->max - 1) |
| 2579 | uinfo->value.enumerated.item = e->max - 1; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2580 | strcpy(uinfo->value.enumerated.name, |
| 2581 | e->texts[uinfo->value.enumerated.item]); |
| 2582 | return 0; |
| 2583 | } |
| 2584 | EXPORT_SYMBOL_GPL(snd_soc_info_enum_ext); |
| 2585 | |
| 2586 | /** |
| 2587 | * snd_soc_info_volsw_ext - external single mixer info callback |
| 2588 | * @kcontrol: mixer control |
| 2589 | * @uinfo: control element information |
| 2590 | * |
| 2591 | * Callback to provide information about a single external mixer control. |
| 2592 | * |
| 2593 | * Returns 0 for success. |
| 2594 | */ |
| 2595 | int snd_soc_info_volsw_ext(struct snd_kcontrol *kcontrol, |
| 2596 | struct snd_ctl_elem_info *uinfo) |
| 2597 | { |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2598 | int max = kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2599 | |
Mark Brown | fd5dfad | 2009-04-15 21:37:46 +0100 | [diff] [blame] | 2600 | if (max == 1 && !strstr(kcontrol->id.name, " Volume")) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2601 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2602 | else |
| 2603 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2604 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2605 | uinfo->count = 1; |
| 2606 | uinfo->value.integer.min = 0; |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2607 | uinfo->value.integer.max = max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2608 | return 0; |
| 2609 | } |
| 2610 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_ext); |
| 2611 | |
| 2612 | /** |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2613 | * snd_soc_info_volsw - single mixer info callback |
| 2614 | * @kcontrol: mixer control |
| 2615 | * @uinfo: control element information |
| 2616 | * |
| 2617 | * Callback to provide information about a single mixer control. |
| 2618 | * |
| 2619 | * Returns 0 for success. |
| 2620 | */ |
| 2621 | int snd_soc_info_volsw(struct snd_kcontrol *kcontrol, |
| 2622 | struct snd_ctl_elem_info *uinfo) |
| 2623 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2624 | struct soc_mixer_control *mc = |
| 2625 | (struct soc_mixer_control *)kcontrol->private_value; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2626 | int platform_max; |
Mark Brown | 762b8df | 2008-10-30 12:37:08 +0000 | [diff] [blame] | 2627 | unsigned int shift = mc->shift; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2628 | unsigned int rshift = mc->rshift; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2629 | |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2630 | if (!mc->platform_max) |
| 2631 | mc->platform_max = mc->max; |
| 2632 | platform_max = mc->platform_max; |
| 2633 | |
| 2634 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2635 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2636 | else |
| 2637 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2638 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2639 | uinfo->count = shift == rshift ? 1 : 2; |
| 2640 | uinfo->value.integer.min = 0; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2641 | uinfo->value.integer.max = platform_max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2642 | return 0; |
| 2643 | } |
| 2644 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw); |
| 2645 | |
| 2646 | /** |
| 2647 | * snd_soc_get_volsw - single mixer get callback |
| 2648 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2649 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2650 | * |
| 2651 | * Callback to get the value of a single mixer control. |
| 2652 | * |
| 2653 | * Returns 0 for success. |
| 2654 | */ |
| 2655 | int snd_soc_get_volsw(struct snd_kcontrol *kcontrol, |
| 2656 | struct snd_ctl_elem_value *ucontrol) |
| 2657 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2658 | struct soc_mixer_control *mc = |
| 2659 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2660 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2661 | unsigned int reg = mc->reg; |
| 2662 | unsigned int shift = mc->shift; |
| 2663 | unsigned int rshift = mc->rshift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2664 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2665 | unsigned int mask = (1 << fls(max)) - 1; |
| 2666 | unsigned int invert = mc->invert; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2667 | |
| 2668 | ucontrol->value.integer.value[0] = |
| 2669 | (snd_soc_read(codec, reg) >> shift) & mask; |
| 2670 | if (shift != rshift) |
| 2671 | ucontrol->value.integer.value[1] = |
| 2672 | (snd_soc_read(codec, reg) >> rshift) & mask; |
| 2673 | if (invert) { |
| 2674 | ucontrol->value.integer.value[0] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2675 | max - ucontrol->value.integer.value[0]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2676 | if (shift != rshift) |
| 2677 | ucontrol->value.integer.value[1] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2678 | max - ucontrol->value.integer.value[1]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2679 | } |
| 2680 | |
| 2681 | return 0; |
| 2682 | } |
| 2683 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw); |
| 2684 | |
| 2685 | /** |
| 2686 | * snd_soc_put_volsw - single mixer put callback |
| 2687 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2688 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2689 | * |
| 2690 | * Callback to set the value of a single mixer control. |
| 2691 | * |
| 2692 | * Returns 0 for success. |
| 2693 | */ |
| 2694 | int snd_soc_put_volsw(struct snd_kcontrol *kcontrol, |
| 2695 | struct snd_ctl_elem_value *ucontrol) |
| 2696 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2697 | struct soc_mixer_control *mc = |
| 2698 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2699 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2700 | unsigned int reg = mc->reg; |
| 2701 | unsigned int shift = mc->shift; |
| 2702 | unsigned int rshift = mc->rshift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2703 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2704 | unsigned int mask = (1 << fls(max)) - 1; |
| 2705 | unsigned int invert = mc->invert; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2706 | unsigned int val, val2, val_mask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2707 | |
| 2708 | val = (ucontrol->value.integer.value[0] & mask); |
| 2709 | if (invert) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2710 | val = max - val; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2711 | val_mask = mask << shift; |
| 2712 | val = val << shift; |
| 2713 | if (shift != rshift) { |
| 2714 | val2 = (ucontrol->value.integer.value[1] & mask); |
| 2715 | if (invert) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2716 | val2 = max - val2; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2717 | val_mask |= mask << rshift; |
| 2718 | val |= val2 << rshift; |
| 2719 | } |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2720 | return snd_soc_update_bits_locked(codec, reg, val_mask, val); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2721 | } |
| 2722 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw); |
| 2723 | |
| 2724 | /** |
| 2725 | * snd_soc_info_volsw_2r - double mixer info callback |
| 2726 | * @kcontrol: mixer control |
| 2727 | * @uinfo: control element information |
| 2728 | * |
| 2729 | * Callback to provide information about a double mixer control that |
| 2730 | * spans 2 codec registers. |
| 2731 | * |
| 2732 | * Returns 0 for success. |
| 2733 | */ |
| 2734 | int snd_soc_info_volsw_2r(struct snd_kcontrol *kcontrol, |
| 2735 | struct snd_ctl_elem_info *uinfo) |
| 2736 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2737 | struct soc_mixer_control *mc = |
| 2738 | (struct soc_mixer_control *)kcontrol->private_value; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2739 | int platform_max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2740 | |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2741 | if (!mc->platform_max) |
| 2742 | mc->platform_max = mc->max; |
| 2743 | platform_max = mc->platform_max; |
| 2744 | |
| 2745 | if (platform_max == 1 && !strstr(kcontrol->id.name, " Volume")) |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2746 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
| 2747 | else |
| 2748 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2749 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2750 | uinfo->count = 2; |
| 2751 | uinfo->value.integer.min = 0; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2752 | uinfo->value.integer.max = platform_max; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2753 | return 0; |
| 2754 | } |
| 2755 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r); |
| 2756 | |
| 2757 | /** |
| 2758 | * snd_soc_get_volsw_2r - double mixer get callback |
| 2759 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2760 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2761 | * |
| 2762 | * Callback to get the value of a double mixer control that spans 2 registers. |
| 2763 | * |
| 2764 | * Returns 0 for success. |
| 2765 | */ |
| 2766 | int snd_soc_get_volsw_2r(struct snd_kcontrol *kcontrol, |
| 2767 | struct snd_ctl_elem_value *ucontrol) |
| 2768 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2769 | struct soc_mixer_control *mc = |
| 2770 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2771 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2772 | unsigned int reg = mc->reg; |
| 2773 | unsigned int reg2 = mc->rreg; |
| 2774 | unsigned int shift = mc->shift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2775 | int max = mc->max; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2776 | unsigned int mask = (1 << fls(max)) - 1; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2777 | unsigned int invert = mc->invert; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2778 | |
| 2779 | ucontrol->value.integer.value[0] = |
| 2780 | (snd_soc_read(codec, reg) >> shift) & mask; |
| 2781 | ucontrol->value.integer.value[1] = |
| 2782 | (snd_soc_read(codec, reg2) >> shift) & mask; |
| 2783 | if (invert) { |
| 2784 | ucontrol->value.integer.value[0] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2785 | max - ucontrol->value.integer.value[0]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2786 | ucontrol->value.integer.value[1] = |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2787 | max - ucontrol->value.integer.value[1]; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2788 | } |
| 2789 | |
| 2790 | return 0; |
| 2791 | } |
| 2792 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r); |
| 2793 | |
| 2794 | /** |
| 2795 | * snd_soc_put_volsw_2r - double mixer set callback |
| 2796 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2797 | * @ucontrol: control element information |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2798 | * |
| 2799 | * Callback to set the value of a double mixer control that spans 2 registers. |
| 2800 | * |
| 2801 | * Returns 0 for success. |
| 2802 | */ |
| 2803 | int snd_soc_put_volsw_2r(struct snd_kcontrol *kcontrol, |
| 2804 | struct snd_ctl_elem_value *ucontrol) |
| 2805 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2806 | struct soc_mixer_control *mc = |
| 2807 | (struct soc_mixer_control *)kcontrol->private_value; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2808 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2809 | unsigned int reg = mc->reg; |
| 2810 | unsigned int reg2 = mc->rreg; |
| 2811 | unsigned int shift = mc->shift; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2812 | int max = mc->max; |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2813 | unsigned int mask = (1 << fls(max)) - 1; |
| 2814 | unsigned int invert = mc->invert; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2815 | int err; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2816 | unsigned int val, val2, val_mask; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2817 | |
| 2818 | val_mask = mask << shift; |
| 2819 | val = (ucontrol->value.integer.value[0] & mask); |
| 2820 | val2 = (ucontrol->value.integer.value[1] & mask); |
| 2821 | |
| 2822 | if (invert) { |
Philipp Zabel | a7a4ac8 | 2008-01-10 14:37:42 +0100 | [diff] [blame] | 2823 | val = max - val; |
| 2824 | val2 = max - val2; |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2825 | } |
| 2826 | |
| 2827 | val = val << shift; |
| 2828 | val2 = val2 << shift; |
| 2829 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2830 | err = snd_soc_update_bits_locked(codec, reg, val_mask, val); |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 2831 | if (err < 0) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2832 | return err; |
| 2833 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2834 | err = snd_soc_update_bits_locked(codec, reg2, val_mask, val2); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 2835 | return err; |
| 2836 | } |
| 2837 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r); |
| 2838 | |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2839 | /** |
| 2840 | * snd_soc_info_volsw_s8 - signed mixer info callback |
| 2841 | * @kcontrol: mixer control |
| 2842 | * @uinfo: control element information |
| 2843 | * |
| 2844 | * Callback to provide information about a signed mixer control. |
| 2845 | * |
| 2846 | * Returns 0 for success. |
| 2847 | */ |
| 2848 | int snd_soc_info_volsw_s8(struct snd_kcontrol *kcontrol, |
| 2849 | struct snd_ctl_elem_info *uinfo) |
| 2850 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2851 | struct soc_mixer_control *mc = |
| 2852 | (struct soc_mixer_control *)kcontrol->private_value; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2853 | int platform_max; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2854 | int min = mc->min; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2855 | |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2856 | if (!mc->platform_max) |
| 2857 | mc->platform_max = mc->max; |
| 2858 | platform_max = mc->platform_max; |
| 2859 | |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2860 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2861 | uinfo->count = 2; |
| 2862 | uinfo->value.integer.min = 0; |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2863 | uinfo->value.integer.max = platform_max - min; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2864 | return 0; |
| 2865 | } |
| 2866 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_s8); |
| 2867 | |
| 2868 | /** |
| 2869 | * snd_soc_get_volsw_s8 - signed mixer get callback |
| 2870 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2871 | * @ucontrol: control element information |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2872 | * |
| 2873 | * Callback to get the value of a signed mixer control. |
| 2874 | * |
| 2875 | * Returns 0 for success. |
| 2876 | */ |
| 2877 | int snd_soc_get_volsw_s8(struct snd_kcontrol *kcontrol, |
| 2878 | struct snd_ctl_elem_value *ucontrol) |
| 2879 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2880 | struct soc_mixer_control *mc = |
| 2881 | (struct soc_mixer_control *)kcontrol->private_value; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2882 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2883 | unsigned int reg = mc->reg; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2884 | int min = mc->min; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2885 | int val = snd_soc_read(codec, reg); |
| 2886 | |
| 2887 | ucontrol->value.integer.value[0] = |
| 2888 | ((signed char)(val & 0xff))-min; |
| 2889 | ucontrol->value.integer.value[1] = |
| 2890 | ((signed char)((val >> 8) & 0xff))-min; |
| 2891 | return 0; |
| 2892 | } |
| 2893 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_s8); |
| 2894 | |
| 2895 | /** |
| 2896 | * snd_soc_put_volsw_sgn - signed mixer put callback |
| 2897 | * @kcontrol: mixer control |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 2898 | * @ucontrol: control element information |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2899 | * |
| 2900 | * Callback to set the value of a signed mixer control. |
| 2901 | * |
| 2902 | * Returns 0 for success. |
| 2903 | */ |
| 2904 | int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol, |
| 2905 | struct snd_ctl_elem_value *ucontrol) |
| 2906 | { |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2907 | struct soc_mixer_control *mc = |
| 2908 | (struct soc_mixer_control *)kcontrol->private_value; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2909 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
Jon Smirl | 815ecf8d | 2008-07-29 10:22:24 -0400 | [diff] [blame] | 2910 | unsigned int reg = mc->reg; |
Jon Smirl | 4eaa981 | 2008-07-29 11:42:26 +0100 | [diff] [blame] | 2911 | int min = mc->min; |
Daniel Ribeiro | 46f5822 | 2009-06-07 02:49:11 -0300 | [diff] [blame] | 2912 | unsigned int val; |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2913 | |
| 2914 | val = (ucontrol->value.integer.value[0]+min) & 0xff; |
| 2915 | val |= ((ucontrol->value.integer.value[1]+min) & 0xff) << 8; |
| 2916 | |
Eero Nurkkala | 6c508c6 | 2009-10-30 13:34:03 +0200 | [diff] [blame] | 2917 | return snd_soc_update_bits_locked(codec, reg, 0xffff, val); |
Mark Brown | e13ac2e | 2008-05-28 17:58:05 +0100 | [diff] [blame] | 2918 | } |
| 2919 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); |
| 2920 | |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 2921 | /** |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 2922 | * snd_soc_limit_volume - Set new limit to an existing volume control. |
| 2923 | * |
| 2924 | * @codec: where to look for the control |
| 2925 | * @name: Name of the control |
| 2926 | * @max: new maximum limit |
| 2927 | * |
| 2928 | * Return 0 for success, else error. |
| 2929 | */ |
| 2930 | int snd_soc_limit_volume(struct snd_soc_codec *codec, |
| 2931 | const char *name, int max) |
| 2932 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 2933 | struct snd_card *card = codec->card->snd_card; |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 2934 | struct snd_kcontrol *kctl; |
| 2935 | struct soc_mixer_control *mc; |
| 2936 | int found = 0; |
| 2937 | int ret = -EINVAL; |
| 2938 | |
| 2939 | /* Sanity check for name and max */ |
| 2940 | if (unlikely(!name || max <= 0)) |
| 2941 | return -EINVAL; |
| 2942 | |
| 2943 | list_for_each_entry(kctl, &card->controls, list) { |
| 2944 | if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name))) { |
| 2945 | found = 1; |
| 2946 | break; |
| 2947 | } |
| 2948 | } |
| 2949 | if (found) { |
| 2950 | mc = (struct soc_mixer_control *)kctl->private_value; |
| 2951 | if (max <= mc->max) { |
Peter Ujfalusi | d11bb4a | 2010-05-10 14:39:24 +0300 | [diff] [blame] | 2952 | mc->platform_max = max; |
Peter Ujfalusi | 637d384 | 2010-05-07 14:05:49 +0300 | [diff] [blame] | 2953 | ret = 0; |
| 2954 | } |
| 2955 | } |
| 2956 | return ret; |
| 2957 | } |
| 2958 | EXPORT_SYMBOL_GPL(snd_soc_limit_volume); |
| 2959 | |
| 2960 | /** |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 2961 | * snd_soc_info_volsw_2r_sx - double with tlv and variable data size |
| 2962 | * mixer info callback |
| 2963 | * @kcontrol: mixer control |
| 2964 | * @uinfo: control element information |
| 2965 | * |
| 2966 | * Returns 0 for success. |
| 2967 | */ |
| 2968 | int snd_soc_info_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 2969 | struct snd_ctl_elem_info *uinfo) |
| 2970 | { |
| 2971 | struct soc_mixer_control *mc = |
| 2972 | (struct soc_mixer_control *)kcontrol->private_value; |
| 2973 | int max = mc->max; |
| 2974 | int min = mc->min; |
| 2975 | |
| 2976 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 2977 | uinfo->count = 2; |
| 2978 | uinfo->value.integer.min = 0; |
| 2979 | uinfo->value.integer.max = max-min; |
| 2980 | |
| 2981 | return 0; |
| 2982 | } |
| 2983 | EXPORT_SYMBOL_GPL(snd_soc_info_volsw_2r_sx); |
| 2984 | |
| 2985 | /** |
| 2986 | * snd_soc_get_volsw_2r_sx - double with tlv and variable data size |
| 2987 | * mixer get callback |
| 2988 | * @kcontrol: mixer control |
| 2989 | * @uinfo: control element information |
| 2990 | * |
| 2991 | * Returns 0 for success. |
| 2992 | */ |
| 2993 | int snd_soc_get_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 2994 | struct snd_ctl_elem_value *ucontrol) |
| 2995 | { |
| 2996 | struct soc_mixer_control *mc = |
| 2997 | (struct soc_mixer_control *)kcontrol->private_value; |
| 2998 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 2999 | unsigned int mask = (1<<mc->shift)-1; |
| 3000 | int min = mc->min; |
| 3001 | int val = snd_soc_read(codec, mc->reg) & mask; |
| 3002 | int valr = snd_soc_read(codec, mc->rreg) & mask; |
| 3003 | |
Stuart Longland | 20630c7 | 2010-06-18 12:56:10 +1000 | [diff] [blame] | 3004 | ucontrol->value.integer.value[0] = ((val & 0xff)-min) & mask; |
| 3005 | ucontrol->value.integer.value[1] = ((valr & 0xff)-min) & mask; |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3006 | return 0; |
| 3007 | } |
| 3008 | EXPORT_SYMBOL_GPL(snd_soc_get_volsw_2r_sx); |
| 3009 | |
| 3010 | /** |
| 3011 | * snd_soc_put_volsw_2r_sx - double with tlv and variable data size |
| 3012 | * mixer put callback |
| 3013 | * @kcontrol: mixer control |
| 3014 | * @uinfo: control element information |
| 3015 | * |
| 3016 | * Returns 0 for success. |
| 3017 | */ |
| 3018 | int snd_soc_put_volsw_2r_sx(struct snd_kcontrol *kcontrol, |
| 3019 | struct snd_ctl_elem_value *ucontrol) |
| 3020 | { |
| 3021 | struct soc_mixer_control *mc = |
| 3022 | (struct soc_mixer_control *)kcontrol->private_value; |
| 3023 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); |
| 3024 | unsigned int mask = (1<<mc->shift)-1; |
| 3025 | int min = mc->min; |
| 3026 | int ret; |
| 3027 | unsigned int val, valr, oval, ovalr; |
| 3028 | |
| 3029 | val = ((ucontrol->value.integer.value[0]+min) & 0xff); |
| 3030 | val &= mask; |
| 3031 | valr = ((ucontrol->value.integer.value[1]+min) & 0xff); |
| 3032 | valr &= mask; |
| 3033 | |
| 3034 | oval = snd_soc_read(codec, mc->reg) & mask; |
| 3035 | ovalr = snd_soc_read(codec, mc->rreg) & mask; |
| 3036 | |
| 3037 | ret = 0; |
| 3038 | if (oval != val) { |
| 3039 | ret = snd_soc_write(codec, mc->reg, val); |
| 3040 | if (ret < 0) |
Mark Brown | f1df5ae | 2010-06-15 15:14:31 +0100 | [diff] [blame] | 3041 | return ret; |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3042 | } |
| 3043 | if (ovalr != valr) { |
| 3044 | ret = snd_soc_write(codec, mc->rreg, valr); |
| 3045 | if (ret < 0) |
Mark Brown | f1df5ae | 2010-06-15 15:14:31 +0100 | [diff] [blame] | 3046 | return ret; |
apatard@mandriva.com | b6f4bb3 | 2010-05-15 17:30:01 +0200 | [diff] [blame] | 3047 | } |
| 3048 | |
| 3049 | return 0; |
| 3050 | } |
| 3051 | EXPORT_SYMBOL_GPL(snd_soc_put_volsw_2r_sx); |
| 3052 | |
| 3053 | /** |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3054 | * snd_soc_dai_set_sysclk - configure DAI system or master clock. |
| 3055 | * @dai: DAI |
| 3056 | * @clk_id: DAI specific clock ID |
| 3057 | * @freq: new clock frequency in Hz |
| 3058 | * @dir: new clock direction - input/output. |
| 3059 | * |
| 3060 | * Configures the DAI master (MCLK) or system (SYSCLK) clocking. |
| 3061 | */ |
| 3062 | int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, |
| 3063 | unsigned int freq, int dir) |
| 3064 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3065 | if (dai->driver && dai->driver->ops->set_sysclk) |
| 3066 | return dai->driver->ops->set_sysclk(dai, clk_id, freq, dir); |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3067 | else if (dai->codec && dai->codec->driver->set_sysclk) |
| 3068 | return dai->codec->driver->set_sysclk(dai->codec, clk_id, |
| 3069 | freq, dir); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3070 | else |
| 3071 | return -EINVAL; |
| 3072 | } |
| 3073 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk); |
| 3074 | |
| 3075 | /** |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3076 | * snd_soc_codec_set_sysclk - configure CODEC system or master clock. |
| 3077 | * @codec: CODEC |
| 3078 | * @clk_id: DAI specific clock ID |
| 3079 | * @freq: new clock frequency in Hz |
| 3080 | * @dir: new clock direction - input/output. |
| 3081 | * |
| 3082 | * Configures the CODEC master (MCLK) or system (SYSCLK) clocking. |
| 3083 | */ |
| 3084 | int snd_soc_codec_set_sysclk(struct snd_soc_codec *codec, int clk_id, |
| 3085 | unsigned int freq, int dir) |
| 3086 | { |
| 3087 | if (codec->driver->set_sysclk) |
| 3088 | return codec->driver->set_sysclk(codec, clk_id, freq, dir); |
| 3089 | else |
| 3090 | return -EINVAL; |
| 3091 | } |
| 3092 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_sysclk); |
| 3093 | |
| 3094 | /** |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3095 | * snd_soc_dai_set_clkdiv - configure DAI clock dividers. |
| 3096 | * @dai: DAI |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3097 | * @div_id: DAI specific clock divider ID |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3098 | * @div: new clock divisor. |
| 3099 | * |
| 3100 | * Configures the clock dividers. This is used to derive the best DAI bit and |
| 3101 | * frame clocks from the system or master clock. It's best to set the DAI bit |
| 3102 | * and frame clocks as low as possible to save system power. |
| 3103 | */ |
| 3104 | int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai, |
| 3105 | int div_id, int div) |
| 3106 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3107 | if (dai->driver && dai->driver->ops->set_clkdiv) |
| 3108 | return dai->driver->ops->set_clkdiv(dai, div_id, div); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3109 | else |
| 3110 | return -EINVAL; |
| 3111 | } |
| 3112 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv); |
| 3113 | |
| 3114 | /** |
| 3115 | * snd_soc_dai_set_pll - configure DAI PLL. |
| 3116 | * @dai: DAI |
| 3117 | * @pll_id: DAI specific PLL ID |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 3118 | * @source: DAI specific source for the PLL |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3119 | * @freq_in: PLL input clock frequency in Hz |
| 3120 | * @freq_out: requested PLL output clock frequency in Hz |
| 3121 | * |
| 3122 | * Configures and enables PLL to generate output clock based on input clock. |
| 3123 | */ |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 3124 | int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source, |
| 3125 | unsigned int freq_in, unsigned int freq_out) |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3126 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3127 | if (dai->driver && dai->driver->ops->set_pll) |
| 3128 | return dai->driver->ops->set_pll(dai, pll_id, source, |
Mark Brown | 8548803 | 2009-09-05 18:52:16 +0100 | [diff] [blame] | 3129 | freq_in, freq_out); |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3130 | else if (dai->codec && dai->codec->driver->set_pll) |
| 3131 | return dai->codec->driver->set_pll(dai->codec, pll_id, source, |
| 3132 | freq_in, freq_out); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3133 | else |
| 3134 | return -EINVAL; |
| 3135 | } |
| 3136 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll); |
| 3137 | |
Mark Brown | ec4ee52 | 2011-03-07 20:58:11 +0000 | [diff] [blame] | 3138 | /* |
| 3139 | * snd_soc_codec_set_pll - configure codec PLL. |
| 3140 | * @codec: CODEC |
| 3141 | * @pll_id: DAI specific PLL ID |
| 3142 | * @source: DAI specific source for the PLL |
| 3143 | * @freq_in: PLL input clock frequency in Hz |
| 3144 | * @freq_out: requested PLL output clock frequency in Hz |
| 3145 | * |
| 3146 | * Configures and enables PLL to generate output clock based on input clock. |
| 3147 | */ |
| 3148 | int snd_soc_codec_set_pll(struct snd_soc_codec *codec, int pll_id, int source, |
| 3149 | unsigned int freq_in, unsigned int freq_out) |
| 3150 | { |
| 3151 | if (codec->driver->set_pll) |
| 3152 | return codec->driver->set_pll(codec, pll_id, source, |
| 3153 | freq_in, freq_out); |
| 3154 | else |
| 3155 | return -EINVAL; |
| 3156 | } |
| 3157 | EXPORT_SYMBOL_GPL(snd_soc_codec_set_pll); |
| 3158 | |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3159 | /** |
| 3160 | * snd_soc_dai_set_fmt - configure DAI hardware audio format. |
| 3161 | * @dai: DAI |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3162 | * @fmt: SND_SOC_DAIFMT_ format value. |
| 3163 | * |
| 3164 | * Configures the DAI hardware format and clocking. |
| 3165 | */ |
| 3166 | int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) |
| 3167 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3168 | if (dai->driver && dai->driver->ops->set_fmt) |
| 3169 | return dai->driver->ops->set_fmt(dai, fmt); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3170 | else |
| 3171 | return -EINVAL; |
| 3172 | } |
| 3173 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt); |
| 3174 | |
| 3175 | /** |
| 3176 | * snd_soc_dai_set_tdm_slot - configure DAI TDM. |
| 3177 | * @dai: DAI |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3178 | * @tx_mask: bitmask representing active TX slots. |
| 3179 | * @rx_mask: bitmask representing active RX slots. |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3180 | * @slots: Number of slots in use. |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3181 | * @slot_width: Width in bits for each slot. |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3182 | * |
| 3183 | * Configures a DAI for TDM operation. Both mask and slots are codec and DAI |
| 3184 | * specific. |
| 3185 | */ |
| 3186 | int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai, |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3187 | unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width) |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3188 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3189 | if (dai->driver && dai->driver->ops->set_tdm_slot) |
| 3190 | return dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask, |
Daniel Ribeiro | a5479e3 | 2009-06-15 21:44:31 -0300 | [diff] [blame] | 3191 | slots, slot_width); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3192 | else |
| 3193 | return -EINVAL; |
| 3194 | } |
| 3195 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot); |
| 3196 | |
| 3197 | /** |
Barry Song | 472df3c | 2009-09-12 01:16:29 +0800 | [diff] [blame] | 3198 | * snd_soc_dai_set_channel_map - configure DAI audio channel map |
| 3199 | * @dai: DAI |
| 3200 | * @tx_num: how many TX channels |
| 3201 | * @tx_slot: pointer to an array which imply the TX slot number channel |
| 3202 | * 0~num-1 uses |
| 3203 | * @rx_num: how many RX channels |
| 3204 | * @rx_slot: pointer to an array which imply the RX slot number channel |
| 3205 | * 0~num-1 uses |
| 3206 | * |
| 3207 | * configure the relationship between channel number and TDM slot number. |
| 3208 | */ |
| 3209 | int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai, |
| 3210 | unsigned int tx_num, unsigned int *tx_slot, |
| 3211 | unsigned int rx_num, unsigned int *rx_slot) |
| 3212 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3213 | if (dai->driver && dai->driver->ops->set_channel_map) |
| 3214 | return dai->driver->ops->set_channel_map(dai, tx_num, tx_slot, |
Barry Song | 472df3c | 2009-09-12 01:16:29 +0800 | [diff] [blame] | 3215 | rx_num, rx_slot); |
| 3216 | else |
| 3217 | return -EINVAL; |
| 3218 | } |
| 3219 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map); |
| 3220 | |
| 3221 | /** |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3222 | * snd_soc_dai_set_tristate - configure DAI system or master clock. |
| 3223 | * @dai: DAI |
| 3224 | * @tristate: tristate enable |
| 3225 | * |
| 3226 | * Tristates the DAI so that others can use it. |
| 3227 | */ |
| 3228 | int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate) |
| 3229 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3230 | if (dai->driver && dai->driver->ops->set_tristate) |
| 3231 | return dai->driver->ops->set_tristate(dai, tristate); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3232 | else |
| 3233 | return -EINVAL; |
| 3234 | } |
| 3235 | EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate); |
| 3236 | |
| 3237 | /** |
| 3238 | * snd_soc_dai_digital_mute - configure DAI system or master clock. |
| 3239 | * @dai: DAI |
| 3240 | * @mute: mute enable |
| 3241 | * |
| 3242 | * Mutes the DAI DAC. |
| 3243 | */ |
| 3244 | int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute) |
| 3245 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3246 | if (dai->driver && dai->driver->ops->digital_mute) |
| 3247 | return dai->driver->ops->digital_mute(dai, mute); |
Liam Girdwood | 8c6529d | 2008-07-08 13:19:13 +0100 | [diff] [blame] | 3248 | else |
| 3249 | return -EINVAL; |
| 3250 | } |
| 3251 | EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute); |
| 3252 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3253 | /** |
| 3254 | * snd_soc_register_card - Register a card with the ASoC core |
| 3255 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3256 | * @card: Card to register |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3257 | * |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3258 | */ |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3259 | int snd_soc_register_card(struct snd_soc_card *card) |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3260 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3261 | int i; |
| 3262 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3263 | if (!card->name || !card->dev) |
| 3264 | return -EINVAL; |
| 3265 | |
Stephen Warren | 111c641 | 2011-01-28 14:26:35 -0700 | [diff] [blame] | 3266 | snd_soc_initialize_card_lists(card); |
| 3267 | |
Vinod Koul | 150dd2f | 2011-01-13 22:48:32 +0530 | [diff] [blame] | 3268 | soc_init_card_debugfs(card); |
| 3269 | |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 3270 | card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * |
| 3271 | (card->num_links + card->num_aux_devs), |
| 3272 | GFP_KERNEL); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3273 | if (card->rtd == NULL) |
| 3274 | return -ENOMEM; |
Jarkko Nikula | 2eea392 | 2010-11-25 17:47:38 +0200 | [diff] [blame] | 3275 | card->rtd_aux = &card->rtd[card->num_links]; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3276 | |
| 3277 | for (i = 0; i < card->num_links; i++) |
| 3278 | card->rtd[i].dai_link = &card->dai_link[i]; |
| 3279 | |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3280 | INIT_LIST_HEAD(&card->list); |
| 3281 | card->instantiated = 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3282 | mutex_init(&card->mutex); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3283 | |
| 3284 | mutex_lock(&client_mutex); |
| 3285 | list_add(&card->list, &card_list); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 3286 | snd_soc_instantiate_cards(); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3287 | mutex_unlock(&client_mutex); |
| 3288 | |
| 3289 | dev_dbg(card->dev, "Registered card '%s'\n", card->name); |
| 3290 | |
| 3291 | return 0; |
| 3292 | } |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3293 | EXPORT_SYMBOL_GPL(snd_soc_register_card); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3294 | |
| 3295 | /** |
| 3296 | * snd_soc_unregister_card - Unregister a card with the ASoC core |
| 3297 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3298 | * @card: Card to unregister |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3299 | * |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3300 | */ |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3301 | int snd_soc_unregister_card(struct snd_soc_card *card) |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3302 | { |
Vinod Koul | b0e2648 | 2011-01-13 22:48:02 +0530 | [diff] [blame] | 3303 | if (card->instantiated) |
| 3304 | soc_cleanup_card_resources(card); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3305 | mutex_lock(&client_mutex); |
| 3306 | list_del(&card->list); |
| 3307 | mutex_unlock(&client_mutex); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3308 | dev_dbg(card->dev, "Unregistered card '%s'\n", card->name); |
| 3309 | |
| 3310 | return 0; |
| 3311 | } |
Vinod Koul | 70a7ca3 | 2011-01-14 19:22:48 +0530 | [diff] [blame] | 3312 | EXPORT_SYMBOL_GPL(snd_soc_unregister_card); |
Mark Brown | c5af3a2 | 2008-11-28 13:29:45 +0000 | [diff] [blame] | 3313 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3314 | /* |
| 3315 | * Simplify DAI link configuration by removing ".-1" from device names |
| 3316 | * and sanitizing names. |
| 3317 | */ |
Dimitris Papastamos | 0b9a214 | 2010-12-06 15:49:20 +0000 | [diff] [blame] | 3318 | static char *fmt_single_name(struct device *dev, int *id) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3319 | { |
| 3320 | char *found, name[NAME_SIZE]; |
| 3321 | int id1, id2; |
| 3322 | |
| 3323 | if (dev_name(dev) == NULL) |
| 3324 | return NULL; |
| 3325 | |
Dimitris Papastamos | 58818a7 | 2010-12-06 15:42:17 +0000 | [diff] [blame] | 3326 | strlcpy(name, dev_name(dev), NAME_SIZE); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3327 | |
| 3328 | /* are we a "%s.%d" name (platform and SPI components) */ |
| 3329 | found = strstr(name, dev->driver->name); |
| 3330 | if (found) { |
| 3331 | /* get ID */ |
| 3332 | if (sscanf(&found[strlen(dev->driver->name)], ".%d", id) == 1) { |
| 3333 | |
| 3334 | /* discard ID from name if ID == -1 */ |
| 3335 | if (*id == -1) |
| 3336 | found[strlen(dev->driver->name)] = '\0'; |
| 3337 | } |
| 3338 | |
| 3339 | } else { |
| 3340 | /* I2C component devices are named "bus-addr" */ |
| 3341 | if (sscanf(name, "%x-%x", &id1, &id2) == 2) { |
| 3342 | char tmp[NAME_SIZE]; |
| 3343 | |
| 3344 | /* create unique ID number from I2C addr and bus */ |
Jarkko Nikula | 0589944 | 2010-10-19 11:10:45 +0300 | [diff] [blame] | 3345 | *id = ((id1 & 0xffff) << 16) + id2; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3346 | |
| 3347 | /* sanitize component name for DAI link creation */ |
| 3348 | snprintf(tmp, NAME_SIZE, "%s.%s", dev->driver->name, name); |
Dimitris Papastamos | 58818a7 | 2010-12-06 15:42:17 +0000 | [diff] [blame] | 3349 | strlcpy(name, tmp, NAME_SIZE); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3350 | } else |
| 3351 | *id = 0; |
| 3352 | } |
| 3353 | |
| 3354 | return kstrdup(name, GFP_KERNEL); |
| 3355 | } |
| 3356 | |
| 3357 | /* |
| 3358 | * Simplify DAI link naming for single devices with multiple DAIs by removing |
| 3359 | * any ".-1" and using the DAI name (instead of device name). |
| 3360 | */ |
| 3361 | static inline char *fmt_multiple_name(struct device *dev, |
| 3362 | struct snd_soc_dai_driver *dai_drv) |
| 3363 | { |
| 3364 | if (dai_drv->name == NULL) { |
| 3365 | printk(KERN_ERR "asoc: error - multiple DAI %s registered with no name\n", |
| 3366 | dev_name(dev)); |
| 3367 | return NULL; |
| 3368 | } |
| 3369 | |
| 3370 | return kstrdup(dai_drv->name, GFP_KERNEL); |
| 3371 | } |
| 3372 | |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3373 | /** |
| 3374 | * snd_soc_register_dai - Register a DAI with the ASoC core |
| 3375 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3376 | * @dai: DAI to register |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3377 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3378 | int snd_soc_register_dai(struct device *dev, |
| 3379 | struct snd_soc_dai_driver *dai_drv) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3380 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3381 | struct snd_soc_dai *dai; |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3382 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3383 | dev_dbg(dev, "dai register %s\n", dev_name(dev)); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3384 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3385 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
| 3386 | if (dai == NULL) |
| 3387 | return -ENOMEM; |
Eric Miao | 6335d05 | 2009-03-03 09:41:00 +0800 | [diff] [blame] | 3388 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3389 | /* create DAI component name */ |
| 3390 | dai->name = fmt_single_name(dev, &dai->id); |
| 3391 | if (dai->name == NULL) { |
| 3392 | kfree(dai); |
| 3393 | return -ENOMEM; |
| 3394 | } |
| 3395 | |
| 3396 | dai->dev = dev; |
| 3397 | dai->driver = dai_drv; |
| 3398 | if (!dai->driver->ops) |
| 3399 | dai->driver->ops = &null_dai_ops; |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3400 | |
| 3401 | mutex_lock(&client_mutex); |
| 3402 | list_add(&dai->list, &dai_list); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 3403 | snd_soc_instantiate_cards(); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3404 | mutex_unlock(&client_mutex); |
| 3405 | |
| 3406 | pr_debug("Registered DAI '%s'\n", dai->name); |
| 3407 | |
| 3408 | return 0; |
| 3409 | } |
| 3410 | EXPORT_SYMBOL_GPL(snd_soc_register_dai); |
| 3411 | |
| 3412 | /** |
| 3413 | * snd_soc_unregister_dai - Unregister a DAI from the ASoC core |
| 3414 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3415 | * @dai: DAI to unregister |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3416 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3417 | void snd_soc_unregister_dai(struct device *dev) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3418 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3419 | struct snd_soc_dai *dai; |
| 3420 | |
| 3421 | list_for_each_entry(dai, &dai_list, list) { |
| 3422 | if (dev == dai->dev) |
| 3423 | goto found; |
| 3424 | } |
| 3425 | return; |
| 3426 | |
| 3427 | found: |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3428 | mutex_lock(&client_mutex); |
| 3429 | list_del(&dai->list); |
| 3430 | mutex_unlock(&client_mutex); |
| 3431 | |
| 3432 | pr_debug("Unregistered DAI '%s'\n", dai->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3433 | kfree(dai->name); |
| 3434 | kfree(dai); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3435 | } |
| 3436 | EXPORT_SYMBOL_GPL(snd_soc_unregister_dai); |
| 3437 | |
| 3438 | /** |
| 3439 | * snd_soc_register_dais - Register multiple DAIs with the ASoC core |
| 3440 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3441 | * @dai: Array of DAIs to register |
| 3442 | * @count: Number of DAIs |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3443 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3444 | int snd_soc_register_dais(struct device *dev, |
| 3445 | struct snd_soc_dai_driver *dai_drv, size_t count) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3446 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3447 | struct snd_soc_dai *dai; |
| 3448 | int i, ret = 0; |
| 3449 | |
Liam Girdwood | 720ffa4 | 2010-08-18 00:30:30 +0100 | [diff] [blame] | 3450 | dev_dbg(dev, "dai register %s #%Zu\n", dev_name(dev), count); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3451 | |
| 3452 | for (i = 0; i < count; i++) { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3453 | |
| 3454 | dai = kzalloc(sizeof(struct snd_soc_dai), GFP_KERNEL); |
Axel Lin | c46e007 | 2010-11-03 15:04:45 +0800 | [diff] [blame] | 3455 | if (dai == NULL) { |
| 3456 | ret = -ENOMEM; |
| 3457 | goto err; |
| 3458 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3459 | |
| 3460 | /* create DAI component name */ |
| 3461 | dai->name = fmt_multiple_name(dev, &dai_drv[i]); |
| 3462 | if (dai->name == NULL) { |
| 3463 | kfree(dai); |
| 3464 | ret = -EINVAL; |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3465 | goto err; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3466 | } |
| 3467 | |
| 3468 | dai->dev = dev; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3469 | dai->driver = &dai_drv[i]; |
Mark Brown | 0f9141c | 2010-10-12 15:43:21 +0100 | [diff] [blame] | 3470 | if (dai->driver->id) |
| 3471 | dai->id = dai->driver->id; |
| 3472 | else |
| 3473 | dai->id = i; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3474 | if (!dai->driver->ops) |
| 3475 | dai->driver->ops = &null_dai_ops; |
| 3476 | |
| 3477 | mutex_lock(&client_mutex); |
| 3478 | list_add(&dai->list, &dai_list); |
| 3479 | mutex_unlock(&client_mutex); |
| 3480 | |
| 3481 | pr_debug("Registered DAI '%s'\n", dai->name); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3482 | } |
| 3483 | |
Axel Lin | 1dcb4f3 | 2010-12-06 16:48:03 +0800 | [diff] [blame] | 3484 | mutex_lock(&client_mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3485 | snd_soc_instantiate_cards(); |
Axel Lin | 1dcb4f3 | 2010-12-06 16:48:03 +0800 | [diff] [blame] | 3486 | mutex_unlock(&client_mutex); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3487 | return 0; |
| 3488 | |
| 3489 | err: |
| 3490 | for (i--; i >= 0; i--) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3491 | snd_soc_unregister_dai(dev); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3492 | |
| 3493 | return ret; |
| 3494 | } |
| 3495 | EXPORT_SYMBOL_GPL(snd_soc_register_dais); |
| 3496 | |
| 3497 | /** |
| 3498 | * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core |
| 3499 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3500 | * @dai: Array of DAIs to unregister |
| 3501 | * @count: Number of DAIs |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3502 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3503 | void snd_soc_unregister_dais(struct device *dev, size_t count) |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3504 | { |
| 3505 | int i; |
| 3506 | |
| 3507 | for (i = 0; i < count; i++) |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3508 | snd_soc_unregister_dai(dev); |
Mark Brown | 9115171 | 2008-11-30 23:31:24 +0000 | [diff] [blame] | 3509 | } |
| 3510 | EXPORT_SYMBOL_GPL(snd_soc_unregister_dais); |
| 3511 | |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3512 | /** |
| 3513 | * snd_soc_register_platform - Register a platform with the ASoC core |
| 3514 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3515 | * @platform: platform to register |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3516 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3517 | int snd_soc_register_platform(struct device *dev, |
| 3518 | struct snd_soc_platform_driver *platform_drv) |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3519 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3520 | struct snd_soc_platform *platform; |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3521 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3522 | dev_dbg(dev, "platform register %s\n", dev_name(dev)); |
| 3523 | |
| 3524 | platform = kzalloc(sizeof(struct snd_soc_platform), GFP_KERNEL); |
| 3525 | if (platform == NULL) |
| 3526 | return -ENOMEM; |
| 3527 | |
| 3528 | /* create platform component name */ |
| 3529 | platform->name = fmt_single_name(dev, &platform->id); |
| 3530 | if (platform->name == NULL) { |
| 3531 | kfree(platform); |
| 3532 | return -ENOMEM; |
| 3533 | } |
| 3534 | |
| 3535 | platform->dev = dev; |
| 3536 | platform->driver = platform_drv; |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3537 | |
| 3538 | mutex_lock(&client_mutex); |
| 3539 | list_add(&platform->list, &platform_list); |
Mark Brown | 435c5e2 | 2008-12-04 15:32:53 +0000 | [diff] [blame] | 3540 | snd_soc_instantiate_cards(); |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3541 | mutex_unlock(&client_mutex); |
| 3542 | |
| 3543 | pr_debug("Registered platform '%s'\n", platform->name); |
| 3544 | |
| 3545 | return 0; |
| 3546 | } |
| 3547 | EXPORT_SYMBOL_GPL(snd_soc_register_platform); |
| 3548 | |
| 3549 | /** |
| 3550 | * snd_soc_unregister_platform - Unregister a platform from the ASoC core |
| 3551 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3552 | * @platform: platform to unregister |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3553 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3554 | void snd_soc_unregister_platform(struct device *dev) |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3555 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3556 | struct snd_soc_platform *platform; |
| 3557 | |
| 3558 | list_for_each_entry(platform, &platform_list, list) { |
| 3559 | if (dev == platform->dev) |
| 3560 | goto found; |
| 3561 | } |
| 3562 | return; |
| 3563 | |
| 3564 | found: |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3565 | mutex_lock(&client_mutex); |
| 3566 | list_del(&platform->list); |
| 3567 | mutex_unlock(&client_mutex); |
| 3568 | |
| 3569 | pr_debug("Unregistered platform '%s'\n", platform->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3570 | kfree(platform->name); |
| 3571 | kfree(platform); |
Mark Brown | 12a48a8c | 2008-12-03 19:40:30 +0000 | [diff] [blame] | 3572 | } |
| 3573 | EXPORT_SYMBOL_GPL(snd_soc_unregister_platform); |
| 3574 | |
Mark Brown | 151ab22 | 2009-05-09 16:22:58 +0100 | [diff] [blame] | 3575 | static u64 codec_format_map[] = { |
| 3576 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE, |
| 3577 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE, |
| 3578 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE, |
| 3579 | SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE, |
| 3580 | SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE, |
| 3581 | SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE, |
| 3582 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, |
| 3583 | SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_U24_3BE, |
| 3584 | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S20_3BE, |
| 3585 | SNDRV_PCM_FMTBIT_U20_3LE | SNDRV_PCM_FMTBIT_U20_3BE, |
| 3586 | SNDRV_PCM_FMTBIT_S18_3LE | SNDRV_PCM_FMTBIT_S18_3BE, |
| 3587 | SNDRV_PCM_FMTBIT_U18_3LE | SNDRV_PCM_FMTBIT_U18_3BE, |
| 3588 | SNDRV_PCM_FMTBIT_FLOAT_LE | SNDRV_PCM_FMTBIT_FLOAT_BE, |
| 3589 | SNDRV_PCM_FMTBIT_FLOAT64_LE | SNDRV_PCM_FMTBIT_FLOAT64_BE, |
| 3590 | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE |
| 3591 | | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_BE, |
| 3592 | }; |
| 3593 | |
| 3594 | /* Fix up the DAI formats for endianness: codecs don't actually see |
| 3595 | * the endianness of the data but we're using the CPU format |
| 3596 | * definitions which do need to include endianness so we ensure that |
| 3597 | * codec DAIs always have both big and little endian variants set. |
| 3598 | */ |
| 3599 | static void fixup_codec_formats(struct snd_soc_pcm_stream *stream) |
| 3600 | { |
| 3601 | int i; |
| 3602 | |
| 3603 | for (i = 0; i < ARRAY_SIZE(codec_format_map); i++) |
| 3604 | if (stream->formats & codec_format_map[i]) |
| 3605 | stream->formats |= codec_format_map[i]; |
| 3606 | } |
| 3607 | |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3608 | /** |
| 3609 | * snd_soc_register_codec - Register a codec with the ASoC core |
| 3610 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3611 | * @codec: codec to register |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3612 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3613 | int snd_soc_register_codec(struct device *dev, |
Mark Brown | 001ae4c | 2010-12-02 16:21:08 +0000 | [diff] [blame] | 3614 | const struct snd_soc_codec_driver *codec_drv, |
| 3615 | struct snd_soc_dai_driver *dai_drv, |
| 3616 | int num_dai) |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3617 | { |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3618 | size_t reg_size; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3619 | struct snd_soc_codec *codec; |
| 3620 | int ret, i; |
Mark Brown | 151ab22 | 2009-05-09 16:22:58 +0100 | [diff] [blame] | 3621 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3622 | dev_dbg(dev, "codec register %s\n", dev_name(dev)); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3623 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3624 | codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL); |
| 3625 | if (codec == NULL) |
| 3626 | return -ENOMEM; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3627 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3628 | /* create CODEC component name */ |
| 3629 | codec->name = fmt_single_name(dev, &codec->id); |
| 3630 | if (codec->name == NULL) { |
| 3631 | kfree(codec); |
| 3632 | return -ENOMEM; |
Mark Brown | 151ab22 | 2009-05-09 16:22:58 +0100 | [diff] [blame] | 3633 | } |
| 3634 | |
Dimitris Papastamos | 23bbce3 | 2010-12-02 14:53:01 +0000 | [diff] [blame] | 3635 | if (codec_drv->compress_type) |
| 3636 | codec->compress_type = codec_drv->compress_type; |
| 3637 | else |
| 3638 | codec->compress_type = SND_SOC_FLAT_COMPRESSION; |
| 3639 | |
Mark Brown | c3acec2 | 2010-12-02 16:15:29 +0000 | [diff] [blame] | 3640 | codec->write = codec_drv->write; |
| 3641 | codec->read = codec_drv->read; |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 3642 | codec->volatile_register = codec_drv->volatile_register; |
| 3643 | codec->readable_register = codec_drv->readable_register; |
Liam Girdwood | ce6120c | 2010-11-05 15:53:46 +0200 | [diff] [blame] | 3644 | codec->dapm.bias_level = SND_SOC_BIAS_OFF; |
| 3645 | codec->dapm.dev = dev; |
| 3646 | codec->dapm.codec = codec; |
Mark Brown | 474b62d | 2011-01-18 16:14:44 +0000 | [diff] [blame] | 3647 | codec->dapm.seq_notifier = codec_drv->seq_notifier; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3648 | codec->dev = dev; |
| 3649 | codec->driver = codec_drv; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3650 | codec->num_dai = num_dai; |
| 3651 | mutex_init(&codec->mutex); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3652 | |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 3653 | /* allocate CODEC register cache */ |
| 3654 | if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3655 | reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; |
Dimitris Papastamos | aea170a | 2011-01-12 10:38:58 +0000 | [diff] [blame] | 3656 | codec->reg_size = reg_size; |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3657 | /* it is necessary to make a copy of the default register cache |
| 3658 | * because in the case of using a compression type that requires |
| 3659 | * the default register cache to be marked as __devinitconst the |
| 3660 | * kernel might have freed the array by the time we initialize |
| 3661 | * the cache. |
| 3662 | */ |
Dimitris Papastamos | 2aa8632 | 2011-01-10 10:10:56 +0000 | [diff] [blame] | 3663 | if (codec_drv->reg_cache_default) { |
| 3664 | codec->reg_def_copy = kmemdup(codec_drv->reg_cache_default, |
| 3665 | reg_size, GFP_KERNEL); |
| 3666 | if (!codec->reg_def_copy) { |
| 3667 | ret = -ENOMEM; |
| 3668 | goto fail; |
| 3669 | } |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 3670 | } |
| 3671 | } |
| 3672 | |
Dimitris Papastamos | 1500b7b | 2011-01-13 12:20:38 +0000 | [diff] [blame] | 3673 | if (codec_drv->reg_access_size && codec_drv->reg_access_default) { |
| 3674 | if (!codec->volatile_register) |
| 3675 | codec->volatile_register = snd_soc_default_volatile_register; |
| 3676 | if (!codec->readable_register) |
| 3677 | codec->readable_register = snd_soc_default_readable_register; |
| 3678 | } |
| 3679 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3680 | for (i = 0; i < num_dai; i++) { |
| 3681 | fixup_codec_formats(&dai_drv[i].playback); |
| 3682 | fixup_codec_formats(&dai_drv[i].capture); |
| 3683 | } |
| 3684 | |
Mark Brown | 26b01cc | 2010-08-18 20:20:55 +0100 | [diff] [blame] | 3685 | /* register any DAIs */ |
| 3686 | if (num_dai) { |
| 3687 | ret = snd_soc_register_dais(dev, dai_drv, num_dai); |
| 3688 | if (ret < 0) |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 3689 | goto fail; |
Mark Brown | 26b01cc | 2010-08-18 20:20:55 +0100 | [diff] [blame] | 3690 | } |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3691 | |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3692 | mutex_lock(&client_mutex); |
| 3693 | list_add(&codec->list, &codec_list); |
| 3694 | snd_soc_instantiate_cards(); |
| 3695 | mutex_unlock(&client_mutex); |
| 3696 | |
| 3697 | pr_debug("Registered codec '%s'\n", codec->name); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3698 | return 0; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3699 | |
Dimitris Papastamos | fdf0f54 | 2010-12-02 16:11:06 +0000 | [diff] [blame] | 3700 | fail: |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3701 | kfree(codec->reg_def_copy); |
| 3702 | codec->reg_def_copy = NULL; |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3703 | kfree(codec->name); |
| 3704 | kfree(codec); |
| 3705 | return ret; |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3706 | } |
| 3707 | EXPORT_SYMBOL_GPL(snd_soc_register_codec); |
| 3708 | |
| 3709 | /** |
| 3710 | * snd_soc_unregister_codec - Unregister a codec from the ASoC core |
| 3711 | * |
Mark Brown | ac11a2b | 2009-01-01 12:18:17 +0000 | [diff] [blame] | 3712 | * @codec: codec to unregister |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3713 | */ |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3714 | void snd_soc_unregister_codec(struct device *dev) |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3715 | { |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3716 | struct snd_soc_codec *codec; |
| 3717 | int i; |
| 3718 | |
| 3719 | list_for_each_entry(codec, &codec_list, list) { |
| 3720 | if (dev == codec->dev) |
| 3721 | goto found; |
| 3722 | } |
| 3723 | return; |
| 3724 | |
| 3725 | found: |
Mark Brown | 26b01cc | 2010-08-18 20:20:55 +0100 | [diff] [blame] | 3726 | if (codec->num_dai) |
| 3727 | for (i = 0; i < codec->num_dai; i++) |
| 3728 | snd_soc_unregister_dai(dev); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3729 | |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3730 | mutex_lock(&client_mutex); |
| 3731 | list_del(&codec->list); |
| 3732 | mutex_unlock(&client_mutex); |
| 3733 | |
| 3734 | pr_debug("Unregistered codec '%s'\n", codec->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3735 | |
Dimitris Papastamos | 7a30a3d | 2010-11-11 10:04:57 +0000 | [diff] [blame] | 3736 | snd_soc_cache_exit(codec); |
Dimitris Papastamos | 3335ddc | 2010-12-02 16:11:05 +0000 | [diff] [blame] | 3737 | kfree(codec->reg_def_copy); |
Dimitris Papastamos | 1aafcd4 | 2010-10-21 13:19:45 +0100 | [diff] [blame] | 3738 | kfree(codec->name); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 3739 | kfree(codec); |
Mark Brown | 0d0cf00 | 2008-12-10 14:32:45 +0000 | [diff] [blame] | 3740 | } |
| 3741 | EXPORT_SYMBOL_GPL(snd_soc_unregister_codec); |
| 3742 | |
Takashi Iwai | c9b3a40 | 2008-12-10 07:47:22 +0100 | [diff] [blame] | 3743 | static int __init snd_soc_init(void) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3744 | { |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3745 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3746 | snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL); |
| 3747 | if (IS_ERR(snd_soc_debugfs_root) || !snd_soc_debugfs_root) { |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3748 | printk(KERN_WARNING |
| 3749 | "ASoC: Failed to create debugfs directory\n"); |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3750 | snd_soc_debugfs_root = NULL; |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3751 | } |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 3752 | |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3753 | if (!debugfs_create_file("codecs", 0444, snd_soc_debugfs_root, NULL, |
Mark Brown | c3c5a19 | 2010-09-15 18:15:14 +0100 | [diff] [blame] | 3754 | &codec_list_fops)) |
| 3755 | pr_warn("ASoC: Failed to create CODEC list debugfs file\n"); |
| 3756 | |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3757 | if (!debugfs_create_file("dais", 0444, snd_soc_debugfs_root, NULL, |
Mark Brown | f320878 | 2010-09-15 18:19:07 +0100 | [diff] [blame] | 3758 | &dai_list_fops)) |
| 3759 | pr_warn("ASoC: Failed to create DAI list debugfs file\n"); |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 3760 | |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3761 | if (!debugfs_create_file("platforms", 0444, snd_soc_debugfs_root, NULL, |
Mark Brown | 19c7ac2 | 2010-09-15 18:22:40 +0100 | [diff] [blame] | 3762 | &platform_list_fops)) |
| 3763 | pr_warn("ASoC: Failed to create platform list debugfs file\n"); |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3764 | #endif |
| 3765 | |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3766 | return platform_driver_register(&soc_driver); |
| 3767 | } |
Mark Brown | 4abe8e1 | 2010-10-12 17:41:03 +0100 | [diff] [blame] | 3768 | module_init(snd_soc_init); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3769 | |
Mark Brown | 7d8c16a | 2008-11-30 22:11:24 +0000 | [diff] [blame] | 3770 | static void __exit snd_soc_exit(void) |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3771 | { |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3772 | #ifdef CONFIG_DEBUG_FS |
Mark Brown | 8a9dab1 | 2011-01-10 22:25:21 +0000 | [diff] [blame] | 3773 | debugfs_remove_recursive(snd_soc_debugfs_root); |
Mark Brown | 384c89e | 2008-12-03 17:34:03 +0000 | [diff] [blame] | 3774 | #endif |
Mark Brown | 3ff3f64 | 2008-05-19 12:32:25 +0200 | [diff] [blame] | 3775 | platform_driver_unregister(&soc_driver); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3776 | } |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3777 | module_exit(snd_soc_exit); |
| 3778 | |
| 3779 | /* Module information */ |
Liam Girdwood | d331124 | 2008-10-12 13:17:36 +0100 | [diff] [blame] | 3780 | MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk"); |
Frank Mandarino | db2a416 | 2006-10-06 18:31:09 +0200 | [diff] [blame] | 3781 | MODULE_DESCRIPTION("ALSA SoC Core"); |
| 3782 | MODULE_LICENSE("GPL"); |
Kay Sievers | 8b45a20 | 2008-04-14 13:33:36 +0200 | [diff] [blame] | 3783 | MODULE_ALIAS("platform:soc-audio"); |